1 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5 (mark_phi_for_rewrite): New function.
6 (insert_phi_nodes_for, mark_use_interesting): Call
8 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9 (update_ssa): Initialize and free phis_to_rewrite.
11 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13 PR rtl-optimization/27291
14 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
17 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
19 PR tree-optimization/27283
20 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
21 not whole # of iteration descriptions.
22 (niter_for_exit): Return just # of iterations. Fail if # of iterations
23 uses abnormal ssa name.
24 (niter_for_single_dom_exit): Ditto.
25 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
26 return just the number of iterations.
28 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
30 PR tree-optimization/27144
31 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
32 (record_estimate): Only record constant upper bound.
33 (infer_loop_bounds_from_undefined): Call
34 compute_estimated_nb_iterations just once.
35 (proved_non_wrapping_p): Renamed to ...
36 (n_of_executions_at_most): ... this. Expect bound to be a constant.
37 (convert_step_widening, scev_probably_wraps_p): Call
38 n_of_executions_at_most instead of proved_non_wrapping_p.
39 (substitute_in_loop_info): Do not replace values in bounds.
40 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
43 2006-05-01 Richard Henderson <rth@redhat.com>
46 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
47 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
50 2006-05-01 Roger Sayle <roger@eyesopen.com>
52 * c-typeck.c (parser_build_binary_op): Don't call the function
53 unsigned_conversion_warning to spot operand/result type overflow.
54 (build_binary_op): Instead, call convert_and_check instead of
55 convert to report the problem when the operands are promoted.
56 * c-common.c (unsigned_conversion_warning): Make static.
57 * c-common.h (unsigned_conversion_warning): Delete prototype.
59 2006-05-01 Richard Guenther <rguenther@suse.de>
61 PR tree-optimization/26726
62 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
64 (find_interesting_uses_address): ... we work around here
65 by folding INDIRECT_REFs in the substituted base.
67 2006-05-01 Diego Novillo <dnovillo@redhat.com>
69 * omp-low.c (dump_omp_region): Add newlines.
71 2006-04-30 Roger Sayle <roger@eyesopen.com>
73 * common.opt (Woverflow): New command line option.
74 * c-common.c (constant_expression_warning): Check warn_overflow.
75 (overflow_waring): Pass OPT_Woverflow to warning.
76 (unsigned_conversion_warning): Likewise.
77 (convert_and_check): Likewise.
78 * doc/invoke.texi: Document new command line option.
80 2006-04-30 David Edelsohn <edelsohn@gnu.org>
82 * config/rs6000/rs6000.c (rs6000_override_options): Enable
83 TARGET_NO_FP_IN_TOC for section anchors.
84 (optimization_options): Enable section anchors for all
85 non-"Objective" languages.
87 2006-04-28 Eric Christopher <echristo@apple.com>
89 * config/darwin-c.c (darwin_ms_struct): Move this
90 (darwin_set_default_type_attributes): and this...
91 * config/darwin.c: ... here.
92 * config/darwin.h (darwin_ms_struct): Declare.
94 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
96 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
98 2006-04-28 Roger Sayle <roger@eyesopen.com>
101 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
102 (push_array_bounds): Delete prototype. Change BOUNDS argument to
103 an unsigned HOST_WIDE_INT.
104 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
106 (really_start_incremental_init): No need to call convert because
107 bitsize_zero_node is already of type bitsizetype.
108 (push_init_level): Extract the value of constructor_index as an
109 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
110 (process_init_element): Likewise.
112 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
114 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
115 value before passing to make_relative_prefix.
117 2006-04-28 Alan Modra <amodra@bigpond.net.au>
120 * builtins.c (expand_builtin_memset): Expand val in original mode.
122 2006-04-27 Eric Christopher <echristo@apple.com>
124 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
126 * config/darwin-c.c (darwin_ms_struct): New.
127 (darwin_pragma_ms_struct): Ditto.
128 (darwin_set_default_type_attributes): Ditto.
129 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
130 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
131 Register ms_struct pragma.
132 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
133 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
134 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
135 darwin_set_default_type_attributes if TARGET_MACHO.
137 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
139 PR tree-optimization/26854
140 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
141 * doc/tree-ssa.texi: Update immuse iterator documentation.
142 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
143 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
144 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
145 first_safe_imm_use, next_safe_imm_use): Remove.
146 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
147 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
148 (move_use_after_head): New. Helper function to sort immuses in a stmt.
149 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
150 (first_imm_use_stmt): New. Get first stmt in an immuse list.
151 (next_imm_use_stmt): New. Get next stmt in an immuse list.
152 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
153 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
154 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
155 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
156 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
157 (perfect_nestify): Use new iterator.
158 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
160 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
161 (next_imm_name): New field in struct immediate_use_iterator_d.
162 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
163 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
164 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
165 * tree-cfg.c (replace_uses_by): Use new iterator.
166 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
167 * tree-ssa-operands.c (correct_use_link): Remove.
168 (finalize_ssa_use_ops): No longer call correct_use_link.
170 2006-04-27 Stuart Hastings <stuart@apple.com>
172 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
173 * config/t-darwin (crt3.o): Use it.
174 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
175 'pmode', use Pmode instead of SImode for SYMBOL_REF.
176 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
177 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
178 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
181 2006-04-27 Roger Sayle <roger@eyesopen.com>
183 * expmed.c (store_fixed_bit_field): If we're not optimizing for
184 size, force the intermediate into a new pseudo rather instead of
185 performing both a bitwise AND and a bitwise IOR in memory.
187 2006-04-27 Richard Guenther <rguenther@suse.de>
189 PR rtl-optimization/26685
190 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
191 this one "max-flow-memory-locations".
193 2006-04-27 Richard Guenther <rguenther@suse.de>
195 PR tree-optimization/25148
196 * tree-vrp.c (compare_values): Remove code dealing with
197 comparisons against type min/max value. Honour overflow
198 and negative constants in code dealing with comparisons
199 of plus and minus expressions.
200 (value_inside_range): Use fold_binary with LE_EXPR and
201 GE_EXPR rather than compare_values.
203 2006-04-27 Dirk Mueller <dmueller@suse.de>
205 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
208 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
210 * basic-block.h (safe_insert_insn_on_edge): Removed.
211 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
214 2006-04-26 David Edelsohn <edelsohn@gnu.org>
215 Paolo Bonzini <bonzini@gnu.org>
218 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
219 (simplify_and_const_int): Same.
221 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
223 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
225 2006-04-26 Jakub Jelinek <jakub@redhat.com>
228 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
229 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
230 cgraph_global_info_ready.
233 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
236 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
237 either decl or init is error_mark_node.
240 * tree-flow.h (struct omp_region): Add sched_kind.
241 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
242 instead of extracting omp for data.
243 (expand_omp_for): Save extracted sched_kind.
245 2006-04-25 Roger Sayle <roger@eyesopen.com>
247 * expmed.c (store_bit_field): Also check whether the bitsize is
248 valid for the machine's "insv" instruction before moving the
249 target into a pseudo for use with the insv.
250 * config/i386/predicates.md (const8_operand): New predicate.
251 * config/i386/i386.md (extv, extzv, insv): Use the new
252 const8_operand predicate where appropriate.
254 2006-04-25 DJ Delorie <dj@redhat.com>
256 * doc/install.texi (Specific): Clarify that this is not a list of
257 supported hosts or targets.
259 2006-04-25 Richard Sandiford <richard@codesourcery.com>
261 PR rtl-optimization/26725
262 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
263 block's BB_DIRTY flag.
265 2006-04-25 Geoffrey Keating <geoffk@apple.com>
267 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
270 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
273 2006-04-25 David Edelsohn <edelsohn@gnu.org>
275 * varasm.c (align_variable): New function.
276 (get_block_for_decl): Apply align_variable to DECL before
277 calculating section information.
278 (assemble_variable): Split out alignment computation.
280 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
282 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
285 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
287 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
288 MODE_PARTIAL_INT mode.
289 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
290 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
292 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
293 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
295 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
297 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
299 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
300 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
301 MACFLAG_IH): Likewise.
302 (movstricthi_1): Renamed from "*movstricthi".
303 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
304 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
305 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
306 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
307 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
308 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
309 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
310 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
311 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
312 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
313 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
314 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
315 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
316 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
317 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
319 * doc/rtl.texi (ss_ashift): Improve wording.
321 2006-04-24 Geoffrey Keating <geoffk@apple.com>
323 * dwarf2out.c (verify_marks_clear): New.
324 (prune_unused_types): Call verify_marks_clear initially, not
327 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
329 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
330 * doc/rtl.texi: Document them.
331 * simplify-rtx.c (simplify_unary_operation,
332 simplify_binary_operation_1): Don't abort when we see them.
334 2006-04-24 Mark Mitchell <mark@codesourcery.com>
337 2006-04-23 Mark Mitchell <mark@codesourcery.com>
338 * configure.ac: Completely disregard languages that are not
340 * configure: Regenerated.
342 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
343 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/27236
346 * tree-inline.c (copy_body_r): Make sure to copy
347 TREE_THIS_VOLATILE flag.
349 2006-04-24 Richard Guenther <rguenther@suse.de>
352 * tree-complex.c (update_parameter_components): Don't handle
353 unused parameters which have no default def.
355 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
356 Richard Guenther <rguenther@suse.de>
358 PR tree-optimization/27218
359 * tree-inline.c (expand_call_inline): Strip useless type
360 conversions for the return slot address.
362 2006-04-24 Richard Guenther <rguenther@suse.de>
364 * cfgloop.h (struct loops): Remove unused field array. Reorder
366 (LOOP_PREFETCH): Remove.
368 2006-04-24 Richard Guenther <rguenther@suse.de>
370 PR tree-optimization/22525
371 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
372 variable, adjust types of generated expressions.
374 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
376 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
377 (tree-vect-patterns.o): Likewise.
379 (cselib.o): Likewise.
380 (loop-doloop.o): Likewise.
381 (regclass.o): Likewise.
382 (reload1.o): Likewise.
383 (explow.o): Replace target.h with $(TARGET_H).
384 (ipa-prop.o): Likewise.
385 (ipa-cp.o): Likewise.
386 (ipa-inline.o): Likewise.
388 (reg-stack.o): Likewise.
390 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
392 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
394 2006-04-23 Mark Mitchell <mark@codesourcery.com>
396 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
398 * configure.ac: Completely disregard languages that are not
400 * configure: Regenerated.
403 * c-common.h (c_build_bitfield_integer_type): Declare.
404 * c-decl.c (c_build_bitfield_integer_type): Move to ...
405 * c-common.c (c_build_bitfield_integer_type): ... here.
407 2006-04-23 Roger Sayle <roger@eyesopen.com>
410 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
411 a SImode SUBREG of a floating point register after no_new_pseudos.
413 2006-04-23 Roger Sayle <roger@eyesopen.com>
415 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
416 identify potentially eliminable registers to additionally catch
417 VIRTUAL_INCOMING_ARGS_REGNUM.
418 (addsi3): Update the conditions on when to use addsi_small_int.
420 2006-04-23 Roger Sayle <roger@eyesopen.com>
423 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
424 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
425 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
427 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
429 * fold-const.c (range_predecessor): Use operand_equal_p
430 as the predicate for equality.
431 (range_successor): Likewise.
433 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
436 * config/soft-fp/op-common.h: Fix a typo.
438 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
441 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
442 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
444 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
446 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
448 * doc/tm.texi: Fix a typo.
450 2006-04-21 Geoffrey Keating <geoffk@apple.com>
452 * dwarf2out.c (struct die_struct): Document that die_sib makes
453 a circular linked list.
454 (FOR_EACH_CHILD): New.
455 (reverse_die_lists): Delete.
456 (reverse_all_dies): Delete.
457 (add_dwarf_attr): Correct documentation.
458 (remove_child_with_prev): New.
459 (remove_child_TAG): Update for change to die_struct, use
460 remove_child_with_prev.
461 (add_child_die): Update for change to die_struct.
462 (splice_child_die): Use remove_child_with_prev and add_child_die.
463 (print_die): Use FOR_EACH_CHILD.
464 (die_checksum): Likewise.
465 (assign_symbol_names): Likewise.
466 (output_location_lists): Likewise.
467 (build_abbrev_table): Likewise.
468 (calc_die_sizes): Likewise.
469 (mark_dies): Likewise.
470 (unmark_dies): Likewise.
471 (unmark_all_dies): Likewise.
472 (output_die): Likewise.
473 (prune_unused_types_mark): Likewise.
474 (prune_unused_types_walk): Likewise.
475 (same_die_p): Update for change to die_struct.
476 (break_out_includes): Likewise.
477 (prune_unused_types_prune): Likewise.
478 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
479 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
481 (dwarf2out_finish): Don't call reverse_all_dies.
483 2006-04-21 Eric Christopher <echristo@apple.com>
485 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
486 in comments and function names.
488 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
491 * c-typeck.c (digest_init): Robustify.
493 * c-typeck.c (pop_init_level): Simplify.
495 2006-04-21 Steve Ellcey <sje@cup.hp.com>
497 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
499 2006-04-21 Paul Brook <paul@codesourcery.com>
501 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
502 hardware floating point.
504 2006-04-21 David Edelsohn <edelsohn@gnu.org>
506 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
509 2006-04-21 Nick Clifton <nickc@redhat.com>
511 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
514 2006-04-21 Alan Modra <amodra@bigpond.net.au>
517 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
518 C++ lang type in traceback table for Objective-C++.
520 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
522 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
524 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
526 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
529 * tree-mudflap.c (mudflap_finish_file): Skip function when there
530 were errors. Remove check for erroneous objects.
532 2006-04-20 Jeff Law <law@redhat.com>
534 PR tree-optimization/26854
535 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
536 checking for zero or one use.
537 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
538 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
539 * tree-ssa-reassoc.c (negate_value): Similarly.
540 (reassociate_bb): Similarly.
542 2006-04-20 Jakub Jelinek <jakub@redhat.com>
544 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
545 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
546 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
548 2006-04-20 Alan Modra <amodra@bigpond.net.au>
550 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
551 fp regs if the last fp arg doesn't fit in regs.
553 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
556 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
557 that the last insn has the REG_INC note.
559 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
560 Nathan Sidwell <nathan@codesourcery.com>
563 * stor-layout.c (update_alignment_for_field): Do not align
565 (place_union_field): Place union field at the start of the union.
566 (place_field): Move ERROR_MARK check later, and use the current
567 allocation position to maintain monotonicity.
569 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
571 * dominance.c: Include timevar.h.
572 (calculate_dominance_info): Use TV_DOMINANCE.
573 * timevar.def (TV_DOMINANCE): New timevar.
574 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
576 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
578 PR rtl-optimization/14261
579 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
580 move would be an INSV insn.
581 (noce_process_if_block): Don't optimize if the destination is a
582 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
584 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
586 * config/s390/s390.md: Add comments with the instructions emitted
587 by an insn pattern if macros are used.
589 2006-04-19 Alan Modra <amodra@bigpond.net.au>
591 PR rtl-optimization/26026
592 * fold-const.c (fold_binary): Optimize div and mod where the divisor
593 is a known power of two shifted left a variable amount.
595 2006-04-18 Geoffrey Keating <geoffk@apple.com>
597 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
598 to hash table twice when the debug_str section has SECTION_MERGE.
600 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
602 * config/soft-fp: New directory. From glibc.
603 * config/soft-fp/t-softfp: New.
604 * config/soft-fp/README: New.
605 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
606 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
607 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
608 (LIBGCC_DEPS): Add $(SFP_MACHINE).
609 * config.gcc: Use rs6000/t-fprules-fpbit or
610 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
612 * config/rs6000/sfp-machine.h: New. Based on glibc.
613 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
615 * config/rs6000/t-fprules: Remove fp-bit rules.
616 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
617 * config/rs6000/t-linux64: Likewise. Remove duplicates from
618 LIB2FUNCS_EXTRA. Remove fp-bit rules.
619 (softfp_wrap_start, softfp_wrap_end): New.
621 2006-04-18 DJ Delorie <dj@redhat.com>
623 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
625 2006-04-18 Devang Patel <dpatel@apple.com>
627 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
629 2006-04-18 Nick Clifton <nickc@redhat.com>
631 * config/sh/t-symbian: Add rule to build sh-c.o
632 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
633 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
634 (sh_symbian_encode_section_info): Likewise.
636 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
638 * builtins.c (expand_builtin_strcmp): Cover label definition of
639 do_libcall with HAVE_cmpstrnsi.
641 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
643 * function.c (temp_slots_at_level, max_slot_level): Use VEC
645 * function.h (temp_slot_p): New.
646 (function): Change the type of x_used_temp_slots to
647 VEC(temp_slot_p,gc) *.
649 2006-04-18 Nick Clifton <nickc@redhat.com>
651 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
652 flag_strength_reduce.
654 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
656 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
660 Partial revert of revision 112637
661 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
662 Dale Johannesen <dalej@apple.com>
665 * regclass.c (struct reg_pref): Update documentation.
666 (regclass): Set prefclass to NO_REGS if memory is the best option.
667 (record_reg_classes): Cope with a prefclass set to NO_REGS.
669 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
671 PR tree-optimization/26821
672 * tree-ssa-math-opts.c (get_constant_one): New.
673 (insert_reciprocals): Use it.
675 2006-04-17 Geoffrey Keating <geoffk@apple.com>
677 * dwarf2out.c (free_AT): Delete.
678 (remove_AT): Update string ref counts.
679 (remove_child_TAG): Don't call free_die.
681 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
683 (prune_unused_types_walk_attribs): Reset string refcounts.
684 (prune_unused_types_update_strings): New.
685 (prune_unused_types_prune): Don't make unnecessary stores. Don't
686 call free_die. Do call prune_unused_types_update_strings.
687 (prune_unused_types): Empty debug_str_hash.
689 2006-04-17 Roger Sayle <roger@eyesopen.com>
691 * expr.c (expand_assignment): Optimize away no-op moves where the
692 source and destination are equal and have no side-effects.
694 2006-04-17 Richard Guenther <rguenther@suse.de>
697 * reload.c (push_reload): Guard calls to get_secondary_mem
700 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
702 * alias.c (reg_base_value, old_reg_base_value): Change the
703 type to VEC(rtx,gc) *.
704 (REG_BASE_VALUE, find_base_value, record_set,
705 init_alias_analysis): Use VEC instead of VARRAY.
707 * alias.c (alias_sets): Change the type to
708 VEC(alias_set_entry,gc) *.
709 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
710 VEC instead of VARRAY.
711 (last_alias_set): Remove.
713 * cgraph.h (cgraph_edge_p): New.
714 Update the prototype of cgraph_function_versioning.
715 * cgraphunit.c (cgraph_copy_node_for_versioning,
716 cgraph_function_versioning): Use VEC instead of VARRAY.
717 * ipa-cp.c (ipcp_insert_stage): Likewise.
719 2006-04-16 Roger Sayle <roger@eyesopen.com>
722 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
723 "A op B" or "A op C", we may need to convert A to the type of B and C.
725 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
727 * target.h (struct gcc_target): Add mode_rep_extended.
728 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
729 (init_num_sign_bit_copies_in_rep): Initialize it using
731 (truncate_to_mode): Use it.
732 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
733 * targhooks.h (default_mode_rep_extended): Declare it.
734 * targhooks.c (default_mode_rep_extended): Define it.
735 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
736 default_mode_rep_extended.
737 (TARGET_INITIALIZER): Include it.
738 * doc/tm.texi (Misc): Document it.
739 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
740 (mips_truncated_to_mode): New function.
742 2006-04-16 Roger Sayle <roger@eyesopen.com>
745 * expr.c (compress_float_constant): Copy the narrow constant into
746 a new pseudo before extending it to its final width.
748 2006-04-16 Roger Sayle <roger@eyesopen.com>
749 Andrew Pinski <pinskia@gcc.gnu.org>
750 Dale Johannesen <dalej@apple.com>
753 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
754 special case code to implement V8HImode and V16QImode with SSE2.
756 2006-04-15 Roger Sayle <roger@eyesopen.com>
758 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
759 trees are constructed with a suitable tree type.
761 2006-04-15 Roger Sayle <roger@eyesopen.com>
763 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
764 (integer_onep): Likewise.
765 (integer_all_onesp): Likewise.
766 (integer_pow2p): Likewise.
767 (integer_nonzerop): Likewise.
768 (real_zerop): Likewise.
769 (real_onep): Likewise.
770 (real_twop): Likewise.
771 (real_minus_onep): Likewise.
772 (int_size_in_bytes): Likewise.
773 (host_integerp): Likewise.
775 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
777 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
778 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
779 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
781 * tree-ssa-structalias.h (alias_info): Remove num_references.
783 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
785 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
786 (output_bvb patterns): Likewise.
787 * pa.c (output_bb): Use 'bb' insn for long branch case.
788 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
789 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
790 1. Correct length operand for alternatives 1 and 2.
791 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
792 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
794 2006-04-14 Roger Sayle <roger@eyesopen.com>
796 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
797 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
798 were accidentally reverted by r112959.
800 2006-04-15 Jakub Jelinek <jakub@redhat.com>
803 * except.h (eh_region_outermost): New prototype.
804 * except.c (eh_region_outermost): New function.
805 * tree-cfg.c (find_outermost_region_in_block): Use it.
807 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
809 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
811 * reload1.c (reg_equiv_memory_loc_varray): Rename to
812 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
813 (init_reload, reload): Use VEC instead of VARRAY.
814 * reload.h: Update the prototype for
815 reg_equiv_memory_loc_varray.
817 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
818 Eric Botcazou <ebotcazou@libertysurf.fr>
820 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
823 2005-04-13 Uros Bizjak <uros@kss-loka.si>
826 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
827 to expand fallback builtin function call.
829 2006-04-14 Alan Modra <amodra@bigpond.net.au>
832 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
833 and emit libcall here in case the builtin fails.
834 (expand_builtin_strcmp): Always emit the libcall here on failure.
836 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
838 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
839 * flow.c (reg_n_info): Change the type to
840 VEC(reg_info_p,heap) *.
841 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
843 * regs.h (reg_info_p): New.
844 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
845 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
846 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
849 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
851 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
853 * params.h (MAX_SCHED_READY_INSNS): New macro.
854 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
855 past MAX_SCHED_READY_INSNS during the first scheduling pass.
856 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
857 the ready list for 1 cycle during the first scheduling pass.
858 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
860 2006-04-13 Richard Henderson <rth@redhat.com>
863 * gimple-low.c (lower_omp_directive): Remove dead code.
864 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
865 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
866 * omp-low.c (struct omp_region): Move to tree-flow.h.
867 (root_omp_region): Export.
868 (omp_regions, lookup_omp_region): Remove.
869 (determine_parallel_type): Update for struct omp_region changes.
870 (dump_omp_region): Dump regions with block numbers.
871 (new_omp_region): Take type and block instead of stmt; malloc
873 (free_omp_region_1, free_omp_regions): New.
874 (expand_parallel_call): Take entry_stmt as argument; update for
875 changes to omp_region.
876 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
877 (remove_exit_barriers): New.
878 (expand_omp_parallel): Update for struct omp_region changes.
879 (expand_omp_synch): Likewise.
880 (expand_omp): Likewise.
881 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
882 (expand_omp_for_static_chunk): Likewise.
883 (expand_omp_for): Likewise.
884 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
885 (expand_omp_sections): Similarly, with GOMP_sections_end.
886 (expand_omp_single): New.
887 (build_omp_regions_1): Update for OMP_CONTINUE.
888 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
889 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
890 OMP_SECTIONS_SECTIONS.
891 (lower_omp_single_simple): Don't emit barrier here.
892 (lower_omp_single_copy): Likewise.
893 (lower_omp_single): Fix bindings, and lower to straightline now.
894 (lower_omp_master, lower_omp_ordered): Likewise.
895 (lower_omp_critical): Likewise.
896 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
897 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
898 omp edges, free it afterward.
899 (make_omp_sections_edges): Remove.
900 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
901 (move_stmt_r): Handle OMP_CONTINUE.
902 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
903 statement pointers to basic blocks. Add type member.
904 (root_omp_region, new_omp_region, free_omp_regions): Declare.
905 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
906 * tree-inline.c (estimate_num_insns_1): Likewise.
907 * tree-pretty-print.c (dump_generic_node): Likewise.
908 * tree-ssa-operands.c (get_expr_operands): Likewise.
909 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
910 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
912 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
913 (OMP_SECTIONS_SECTIONS): Remove.
914 (OMP_SECTION_LAST): New.
915 (OMP_RETURN_NOWAIT): New.
917 2006-04-13 Roger Sayle <roger@eyesopen.com>
919 * fold-const.c (native_encode_vector, native_interpret_real):
920 Correct obvious mistakes in the previous check-in.
922 2006-04-13 Roger Sayle <roger@eyesopen.com>
924 * fold-const.c (native_encode_expr): New function to encode
925 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
926 or VECTOR_CST into a specified buffer.
927 (native_encode_int): New function.
928 (native_encode_real): New function.
929 (native_encode_complex): New function.
930 (native_encode_vector): New function.
931 (native_interpret_expr): Inverse of native_encode_expr to convert
932 a target representation into an INTEGER_CST, REAL_CST etc...
933 (native_interpret_int): New function.
934 (native_interpret_real): New function.
935 (native_interpret_complex): New function.
936 (native_interpret_vector): New function.
937 (fold_view_convert_expr): New function to constant fold/evaluate
938 a VIEW_CONVERT_EXPR of a suitable constant expression.
939 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
940 Change call of build1 to fold_build1 when constructing a
943 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
944 Ulrich Weigand <uweigand@de.ibm.com>
947 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
950 2006-04-13 Alan Modra <amodra@bigpond.net.au>
953 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
954 optimize to lo_sum for DFmode if !TARGET_FPRS.
956 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
958 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
959 delete_alias_info, compute_flow_sensitive_aliasing,
960 group_aliases): Use VEC instead of VARRAY.
961 * tree-ssa-structalias.c (update_alias_info): Likewise.
962 * tree-ssa-structalias.h (alias_info): Change the type of
963 processed_ptrs to VEC(tree,heap) *.
965 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
968 * config/sh/lib1funcs.h: New file, broken out of:
969 * config/sh/lib1funcs.asm.
970 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
972 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
973 * config/sh/lib1funcs-Os-4-200.asm: New file.
974 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
975 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
976 (EXTRA_MULTILIB_PARTS): Include it.
977 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
978 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
979 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
980 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
983 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
985 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
986 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
987 tpa_compact, root_var_init, type_var_init): Use VEC instead of
989 * tree-ssa-live.h: Include vecprim.h.
990 (tree_partition_associator_d): Change the type of
991 first_partition to VEC(int,heap) *.
992 (tpa_first_partition): Use VEC instead of VARRAY.
994 * Makefile.in (GTFILES): Move functions.h after tree.h.
995 * function.c (reset_block_changes, record_block_change,
996 check_block_change, free_block_changes): Use VEC instead of
998 * function.h (function): Change the type of
999 ib_boundaries_block to VEC(tree,gc) *.
1000 * tree-inline.c (copy_cfg_body): Initialize
1001 ib_boundaries_block to NULL instead of (varray_type) 0.
1003 2006-04-12 Roger Sayle <roger@eyesopen.com>
1005 * expr.c (emit_group_store): Correct operand order in call to
1006 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1007 a SUBREG_BYTE of zero.
1009 2006-04-12 Richard Guenther <rguenther@suse.de>
1011 * profile.c (compute_branch_probabilities): Remove code
1012 encapsulated in !ir_type (), which are remanents of the
1013 removed RTL profiling code.
1014 * rtl-profile.c: Remove.
1016 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1018 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1019 magic NULL_RTX comment.
1020 (function_arg): Store entire fp arg to mem if any part should go
1022 (rs6000_arg_partial_bytes): Adjust for above change.
1024 2006-04-11 Roger Sayle <roger@eyesopen.com>
1026 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1027 if it hasn't been initialized by dwarf2out_init.
1029 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1031 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1032 symbolic constants in branch patterns.
1034 2006-04-11 Roger Sayle <roger@eyesopen.com>
1036 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1038 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1040 PR rtl-optimization/27073
1041 * gcse.c (try_replace_reg): Revert last change. Continue to search
1042 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1045 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1047 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1048 aggregate types other than record and union types.
1049 (function_arg): Likewise.
1050 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1052 (function_value): In 64-bit mode, return objects that require it
1055 2006-04-11 Roger Sayle <roger@eyesopen.com>
1057 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1059 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1061 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1063 2006-04-03 Jeff Law <law@redhat.com>
1066 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1067 alias information too.
1069 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1071 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1073 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1076 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1077 (premark_used_types_helper): New.
1078 (premark_used_types): New.
1079 (gen_subprogram_die): Call premark_used_types.
1080 (prune_unused_types_walk): Do not prune perennial dies.
1081 * function.c (used_types_insert): New.
1082 * function.h (struct function): Add used_types_hash field.
1083 (used_types_insert): Add prototype.
1084 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1085 * c-parser.c (c_parser_cast_expression): Save casted types in used
1088 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1091 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1092 rs6000_explicit_options.float_gprs.
1094 2006-04-10 Roger Sayle <roger@eyesopen.com>
1096 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1097 from ix86_expand_vector_init_low_nonzero. Take an additional
1098 one_var argument indicating which element is non-zero. Support
1099 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1100 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1101 with one_var instead of ix86_expand_vector_init_low_nonzero.
1103 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1105 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1106 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1107 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1108 build/genextract.o): Depend on vecprim.h.
1109 * cfglayout.c, df-problems.c, function.c, genextract.c,
1110 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1111 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1115 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1117 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1118 Declare VECs of this type.
1119 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1120 (remove_children): Delete.
1121 (add_dwarf_attr): Use VEC routines.
1122 (add_AT_flag): Update for changes to add_dwarf_attr.
1123 (add_AT_int): Likewise.
1124 (add_AT_unsigned): Likewise.
1125 (add_AT_long_long): Likewise.
1126 (add_AT_vec): Likewise.
1127 (add_AT_string): Likewise.
1128 (add_AT_die_ref): Likewise.
1129 (add_AT_fde_ref): Likewise.
1130 (add_AT_loc): Likewise.
1131 (add_AT_loc_list): Likewise.
1132 (add_AT_addr): Likewise.
1133 (add_AT_lbl_id): Likewise.
1134 (add_AT_lineptr): Likewise.
1135 (add_AT_macptr): Likewise.
1136 (add_AT_offset): Likewise.
1137 (add_AT_range_list): Likewise.
1138 (get_AT): Use VEC_iterate.
1139 (remove_AT): Use VEC_ordered_remove.
1140 (free_die): Fold remove_children into here; have it use VEC_iterate.
1141 (print_die): Use VEC_iterate on attrs.
1142 (reverse_die_lists): Don't reverse attr lists.
1143 (die_checksum): Use VEC_iterate on attrs.
1144 (same_die_p): Likewise.
1145 (output_location_lists): Likewise.
1146 (build_abbrev_table): Likewise.
1147 (size_of_die): Likewise.
1148 (unmark_all_dies): Likewise.
1149 (output_abbrev_section): Likewise.
1150 (output_die): Likewise.
1151 (prune_unused_types_walk_attribs): Likewise.
1153 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1155 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1157 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1160 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1162 2006-04-09 Roger Sayle <roger@eyesopen.com>
1164 * expr.c (store_constructor): Don't bother clearing target if
1165 we're about to assign a vector to it using vec_init_optab.
1167 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1169 * tree-ssa-alias.c (lhs_may_store_to): New function.
1170 (recalculate_used_alone): Handle LHS of calls.
1172 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1176 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1177 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1178 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1179 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1180 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1181 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1182 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1183 stubs. Add ".align 8" directives before all ".dword" directives.
1184 (GTHREAD_USE_WEAK): Revise comment.
1185 (TARGET_ATTRIBUTE_WEAK): Define.
1186 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1187 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1188 * stublib.c: New file.
1193 * pa.md (cbranch patterns): Revise arguments used in calls to
1194 output_cbranch, output_bb and output_bvd. Add long branch length
1196 (fbranch patterns): Handle long branches.
1197 (jump): Revise length check. Revise arguments for output_lbranch call.
1198 Add long branch length attributes.
1199 (decrement_and_branch_until_zero): Add long branch length attributes.
1200 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1201 Likewise. Revise arguments for output_parallel_addb and
1202 output_parallel_movb calls.
1203 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1204 output_parallel_movb and output_parallel_addb): Update prototypes.
1205 * pa.c (output_cbranch): Revise arguments. Correct handling of
1206 nullification in long branches.
1207 (output_lbranch): Add new argument to control extraction of delay
1209 (output_bb): Handle long branches.
1210 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1211 output_parallel_addb): Likewise.
1213 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1215 PR rtl-optimization/27073
1216 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1219 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1221 * tree.h (tree_memory_tag): Add old_used_alone.
1222 (SMT_OLD_USED_ALONE): New macro.
1223 * tree-ssa-alias.c (recalculate_used_alone): Stop
1224 marking things for renaming unnecessarily.
1226 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1228 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1229 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1230 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1231 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1232 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1233 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1234 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1235 spelling convensions.
1236 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1237 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1238 typos. Follow spelling conventions.
1240 2006-04-07 DJ Delorie <dj@redhat.com>
1242 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1243 passed on the stack.
1244 (m32c_init_cumulative_args): When a function returns a structure,
1245 always pass the pointer to that return area on the stack.
1246 (m32c_function_arg_advance): Don't increment the parameter number
1247 if we're processing the returned structure pointer.
1248 (pushm_info): Reverse order of registers.
1250 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1252 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1253 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1254 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1255 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1257 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1258 chrec_fold_multiply): Same.
1259 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1260 force_expr_to_var_cost): Same.
1261 * tree-mudflap.c (mf_xform_derefs_1): Same.
1262 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1264 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1266 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1267 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1270 2006-04-07 Jan Hubicka <jh@suse.cz>
1272 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1274 2006-04-07 Richard Guenther <rguenther@suse.de>
1276 PR tree-optimization/26135
1277 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1278 loads for store copy-prop.
1279 (copy_prop_visit_stmt): Likewise.
1281 2006-04-05 Robert Millan <robertmh@gnu.org>
1283 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1284 being overriden in config/k*bsd-gnu.h.
1285 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1287 * gcc/config/knetbsd-gnu.h: Ditto.
1289 2006-04-06 Jan Hubicka <jh@suse.cz>
1293 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1296 2006-04-06 Mike Stump <mrs@apple.com>
1298 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1299 for HAVE_nonlocal_goto to be consistent.
1300 (expand_builtin_nonlocal_goto): Likewise.
1301 (expand_builtin_strcmp): Use #ifdef instead of #if
1302 for HAVE_cmpstrnsi to be consistent.
1304 2006-04-05 DJ Delorie <dj@redhat.com>
1306 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1309 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1311 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1312 got-relative addressing for anything but SImode.
1314 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1315 even if the calling function doesn't modify them.
1317 2006-04-05 Richard Guenther <rguenther@suse.de>
1319 PR tree-optimization/26919
1320 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1321 to cgraph_estimate_size_after_inlining.
1323 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1325 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1327 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1329 PR tree-optimization/26996
1330 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1331 VECTOR_TYPE variables.
1333 2006-04-05 Richard Guenther <rguenther@suse.de>
1335 PR tree-optimization/26763
1336 * fold-const.c (fold_comparison): Move folding of
1337 PTR + CST CMP PTR + CST ...
1338 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1340 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1342 * doc/install.texi (Prerequisites): Refine some wording on
1343 bootstrapping and ksh.
1344 Move the version numbers of DejaGnu here from the testing section
1345 and fix casing of names.
1346 Fix markup and clarify wording for autogen requirements.
1347 Refer to GCJ instead of just java.
1348 Refer to SVN instead of CVS.
1349 Describe diffutils as useful instead of necessary.
1350 (Downloading the source): Refer to SVN instead of CVS.
1351 Adjust a link to our web site accordingly.
1352 (Configuration): Fix casing of Bison.
1353 (Building): Refer to SVN instead of CVS.
1354 Fix a sentence on the use of Bison and remove duplicate (and
1355 incorrect) version number of Bison requirement.
1356 Remove one redundant list of packages needed for building.
1357 (Specific): Avoid reference to CVS.
1359 2006-04-04 Eric Christopher <echristo@apple.com>
1361 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1362 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1363 (rs6000_handle_struct_attribute): New.
1364 (rs6000_ms_bitfield_layout_p): Ditto.
1366 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1368 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1369 NULL for dso parameter to atexit_common.
1371 2006-04-04 Eric Christopher <echristo@apple.com>
1373 * config/i386/i386.c (machopic_output_stub): Output \t
1374 between instructions and operands.
1376 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1378 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1379 satisfies_constraint_[IL] to explicit tests on value.
1381 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1383 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1384 set_nb_iterations_in_loop): Use build_int_cst instead of
1386 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1387 build_int_cst instead of convert.
1389 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1391 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1392 new value 2 for incoming.
1393 * function.c (expand_function_start): Call struct_value_rtx
1395 * config/sparc/sparc.md: Comment updated_return.
1396 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1397 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1398 struct return if sparc_std_struct_return and incoming is 2.
1399 (print_operand): Do not adjust return if
1400 sparc_std_struct_return.
1402 2006-04-04 Roger Sayle <roger@eyesopen.com>
1404 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1405 convert in the middle-end.
1406 * expr.c (store_expr, store_constructor, get_inner_reference,
1407 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1409 * tree.c (build_range_type): Likewise.
1411 2006-04-04 Tom Tromey <tromey@redhat.com>
1413 * doc/install.texi (Prerequisites): Mention jar.
1415 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1417 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1420 2006-04-04 Matthias Klose <doko@debian.org>
1422 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1423 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1426 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1428 * doc/extend.texi (Function Attributes): Rewrite visibility
1429 attribute documentation.
1430 * doc/invoke.texi (C++ Dialect Options): Rewrite
1431 -fvisibility-inlines-hidden documentation to describe something
1432 entirely different, although in practise compatible.
1433 (Code Gen Options): Warn about system headers in -fvisibiltity=
1436 * doc/extend.texi (Other Builtins): Document that
1437 __builtin_nan is a compile-time constant only when its argument
1440 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1442 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1443 trying to remove TRUNCATE check if all bits outside the new mode
1444 are identical to the sign bit.
1446 2006-04-03 Jeff Law <law@redhat.com>
1448 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1449 and operand scanning in some common cases.
1451 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1452 Dale Johannesen <dalej@apple.com>
1455 * regclass.c (struct reg_pref): Update documentation.
1456 (regclass): Set prefclass to NO_REGS if memory is the best option.
1457 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1458 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1459 into account. For non-registers, equate an empty preferred
1460 reload class to a `!' in the constraint; move the if clause to
1461 do so after those that reject the insn.
1462 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1464 (find_dummy_reload): Likewise.
1465 * doc/tm.texi (Register Classes): Document what it means
1466 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1467 * config/i386/i386.c (ix86_preferred_reload_class): Force
1468 using SSE registers (and return NO_REGS for floating-point
1469 constants) if math is done with SSE.
1470 (ix86_preferred_output_reload_class): New.
1471 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1472 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1473 * config/i386/i386.md: Remove # register preferences.
1475 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1478 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1479 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1480 the type of nb_iter.
1481 (instantiate_parameters_1): Convert the operands before calling
1482 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1483 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1485 2006-04-02 Roger Sayle <roger@eyesopen.com>
1487 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1488 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1490 * dojump.c (do_jump): Likewise.
1491 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1492 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1493 gimplify_boolean_expr): Likewise.
1494 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1495 * varasm.c (array_size_for_constructor): Likewise.
1496 * tree-object-size.c (compute_object_offset): Likewise.
1498 2006-04-02 Roger Sayle <roger@eyesopen.com>
1501 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1502 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1504 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1506 PR tree-optimization/26939
1507 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1509 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1511 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1512 at_stmt. Convert the type of operands before calling
1513 build_polynomial_chrec.
1514 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1516 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1517 (instantiate_parameters_1): Convert the type of operands before calling
1518 build_polynomial_chrec.
1519 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1520 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1521 reset_evolution_in_loop): Insert asserts to check the types of the
1523 (chrec_type): Moved...
1524 (eq_evolutions_p): Use operand_equal_p.
1525 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1526 the types of the operands.
1527 (chrec_type): ...here.
1528 * tree-data-ref.c (create_data_ref): Convert the operands before
1529 calling chrec_replace_initial_condition.
1530 (same_access_functions, analyze_subscript_affine_affine,
1531 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1532 (compute_subscript_distance, analyze_ziv_subscript,
1533 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1534 analyze_miv_subscript): Convert the operands before calling
1535 chrec_fold_minus or chrec_fold_plus.
1537 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1539 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1540 the dependence_relations vector.
1541 (compute_data_dependences_for_loop): Adjust call to
1542 compute_all_dependences.
1544 2006-04-01 Roger Sayle <roger@eyesopen.com>
1545 Richard Henderson <rth@redhat.com>
1547 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1548 gimple_boolify on the condition before calling gimplify_expr.
1550 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1552 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1553 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1554 the frame size. Update to use the new macros.
1555 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1556 * config/xtensa/ieee754-df.S: Likewise.
1558 2006-03-31 Richard Henderson <rth@redhat.com>
1560 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1561 (make_edges): ... here. Control fallthru creation with a local
1562 variable. Do not play with fake edges.
1563 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1564 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1567 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1569 * dwarf2.h (DW64_CIE_ID): Define.
1570 * dwarf2out.c (DWARF_CIE_ID): Define.
1571 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1572 length header. Use DWARF_CIE_ID.
1573 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1574 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1576 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1578 * config/sh/linux-atomic.asm: New file.
1579 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1581 2006-03-31 DJ Delorie <dj@redhat.com>
1583 * config/m32c/cond.md: Set condition flags properly throughout.
1584 * config/m32c/minmax.md: Likewise.
1585 * config/m32c/prologue.md: Likewise.
1586 * config/m32c/bitops.md: Likewise.
1587 * config/m32c/muldiv.md: Likewise.
1588 * config/m32c/mov.md: Likewise.
1589 * config/m32c/addsub.md: Likewise.
1590 * config/m32c/m32c.md: Likewise.
1591 * config/m32c/jump.md: Likewise.
1592 * config/m32c/shift.md: Likewise.
1594 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1595 conditionally output the pattern for this.
1596 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1597 (m32c_compare_redundant): New.
1598 (m32c_output_compare): New.
1599 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1601 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1602 dest, not src. Allow other 4-byte modes.
1604 2006-03-30 Denis Chertykov <denisc@overta.ru>
1606 * doc/md.texi: Refer to avr/constraints.md instead of
1609 2006-03-30 Roger Sayle <roger@eyesopen.com>
1611 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1612 signed vs. unsigned comparison failures on some hosts.
1614 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1617 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1618 change to FLOAT_REGS.
1620 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1621 (rs6000_override_options): Use it.
1622 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1623 only for -mabi=spe/no-spe and -mabi=altivec.
1625 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1627 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1630 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1632 * Makefile.in: Rename docdir to gcc_docdir.
1634 2006-03-30 Roger Sayle <roger@eyesopen.com>
1637 * expr.c (emit_group_store): Optimize group stores into a pseudo
1638 register by using a paradoxical subreg to initialize the destination
1639 if the first or last member of the group specifies a "low part".
1641 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1644 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1645 * target.h (struct gcc_target.speculate_insn): Change type of the
1646 second parameter to 'int'.
1647 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1648 the second operand of the DEPS_LIST.
1649 (copy_DEPS_LIST_list): Update reference to the second operand of the
1651 * rtl.h (alloc_DEPS_LIST): Update signature.
1652 * sched-int.h (ds_t): Change typedef to 'int'.
1653 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1655 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1657 * haifa-sched.c (try_ready): Change condition to restore
1658 non-speculative pattern of the instruction.
1659 (process_insn_depend_be_in_spec): Code to keep probability of the
1660 speculative dependence non-decreasing.
1662 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1664 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1665 (single_move_for_movmem): ... this. Also change all uses.
1666 (bfin_expand_strmov): Renamed to...
1667 (bfin_expand_movmem): ... this. Also change all uses.
1668 * config/bfin/bfin.md (movstrsi): Renamed to...
1669 (movstrsi): ...this.
1671 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1673 PR tree-optimization/26830
1675 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1676 (copy_prop_visit_stmt): Remove write-only variable ann.
1677 (init_copy_prop): Check variable loop depth here. Do not simulate
1678 memory-tag and virtual operand PHIs except for store copy prop.
1680 2006-03-30 Richard Guenther <rguenther@suse.de>
1682 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1683 variants with double arguments.
1685 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1687 * genpreds.c (write_tm_constrs_h): Delete variable p.
1688 * genconditions.c (write_header): Add tm-constrs.h to included
1690 * genpeep.c (main): Add toplev.h to included headers.
1691 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1692 (build/genpeep.o): Add toplev.h dependency.
1693 * config/rs6000/constraints.md: Add "W" constraint.
1695 2006-03-29 Roger Sayle <roger@eyesopen.com>
1697 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1698 sizes by correctly testing whether the size fits a host integer.
1699 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1700 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1701 SImode range for the default sizetype and bitsizetype.
1703 2006-03-29 Roger Sayle <roger@eyesopen.com>
1705 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1706 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1707 quickly if the argument is already of the correct type.
1708 Call fold_build1 instead of build1. Tidy up blank lines.
1710 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1712 * genemit.c (main): Add tm-constrs.h to included headers.
1713 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1714 * genpeep.c (main): Add tm-constrs.h to included headers.
1715 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1716 (write_tm_constrs_h): this and write complete file.
1717 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1718 (write_insn_preds_c): Add tm-constrs.h to included headers.
1719 (gen_constrs): New variable.
1720 (parse_option): Parse "-c".
1721 (main): Invoke write_tm_constrs_h.
1722 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1723 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1724 (object_out_file): Add tm-constrs.h dependency.
1725 (insn-emit.o): Same.
1726 (insn-output.o): Same.
1727 (insn-peep.o): Same.
1728 (insn-preds.o): Same.
1729 (insn-recog.o): Same.
1730 (tm-constsr.h): New target.
1731 (s-constrs-h): New target.
1733 * config/rs6000/constraints.md: New file.
1734 * config/rs6000/rs6000.c: Include tm-constrs.h.
1735 (num_insn_constant_wide): Convert to satisfies_constraint.
1736 (rs6000_rtx_costs): Convert to satisfies_constraint.
1737 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1738 (CONST_OK_FOR_LETTER_P): Delete.
1739 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1740 (EXTRA_CONSTRAINT): Delete.
1741 (EXTRA_MEMORY_CONSTRAINT): Delete.
1742 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1743 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1744 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1745 satisfies_constraint.
1747 * config/i386/i386.c: Include tm-constrs.h.
1749 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1751 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1752 * tree-data-ref.c (find_data_references_in_loop,
1753 compute_data_dependences_for_loop): Use pointers to VEC.
1754 (analyze_all_data_dependences): Adjust calls.
1755 * tree-data-ref.h (find_data_references_in_loop,
1756 compute_data_dependences_for_loop): Adjust declarations.
1757 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1758 compute_data_dependences_for_loop.
1760 2006-03-29 Paul Brook <paul@codesourcery.com>
1762 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1765 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1767 PR tree-optimization/26859
1768 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1770 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1771 for the step after fold_convert.
1773 2006-03-29 Paul Brook <paul@codesourcery.com>
1775 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1776 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1778 2006-03-29 Paul Brook <paul@codesourcery.com>
1781 * targhooks.c (default_narrow_bitfield): New fuction.
1782 * targhooks.h (default_narrow_bitfield): add prototype.
1783 * target.h (gcc_target): Add narrow_volatile_bitfield.
1784 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1785 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1786 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1787 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1789 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1791 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1793 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1794 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1795 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1796 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1797 (s390_function_arg_float): Allow SDmode and DDmode values to be
1798 passed in floating point registers.
1799 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1800 check with SCALAR_FLOAT_MODE_P.
1801 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1803 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1805 PR tree-optimization/25985
1806 * tree-ssa-loop-niter.c (number_of_iterations_le,
1807 number_of_iterations_ne): Make comments more precise.
1808 (number_of_iterations_cond): Add only_exit argument. Use the
1809 fact that signed variables do not overflow only when only_exit
1811 (loop_only_exit_p): New.
1812 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1813 number_of_iterations_cond.
1815 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1817 PR tree-optimization/26643
1818 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1821 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1823 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1824 (divsi3_i4_int): Likewise.
1826 2006-03-28 Roger Sayle <roger@eyesopen.com>
1828 * expr.c (emit_group_store): Only create a new pseudo reg if the
1829 quantity it needs to hold isn't already a suitable pseudo.
1831 2006-03-28 Jeff Law <law@redhat.com>
1833 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1834 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1836 2006-03-28 Roger Sayle <roger@eyesopen.com>
1838 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1839 the equivalent ~X & Y, and the symmetry related transformations.
1840 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1841 ~X & Y, and symmetry related transforms.
1843 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1845 Revert my 2006-03-27 patches.
1847 2006-03-28 Roger Sayle <roger@eyesopen.com>
1849 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1850 ~(T1)X, when T1 and T2 are integer types of the same precision
1851 and (T2)X isn't an extension.
1853 2006-03-28 Jeff Law <law@redhat.com>
1855 PR tree-optimization/26796
1856 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1857 need EH edge cleanups rather than purging them immediately.
1858 (eliminate_degenerate_phis): Handle queued EH cleanups.
1860 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1862 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1865 2006-03-27 Roger Sayle <roger@eyesopen.com>
1868 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1869 cast BIT_NOT_EXPR operand to the correct type.
1871 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1873 * tree-loop-linear.c: Don't include varray.h.
1874 (gather_interchange_stats, try_interchange_loops,
1875 linear_transform_loops): Use VEC instead of VARRAY.
1876 * lambda-mat.c: Don't include varray.h.
1877 * tree-chrec.c: Same.
1878 * lambda-trans.c: Same.
1879 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1880 VEC instead of VARRAY.
1881 * tree-vectorizer.h: Idem.
1882 * tree-data-ref.c (dump_data_references,
1883 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1884 initialize_data_dependence_relation, finalize_ddr_dependent,
1885 compute_all_dependences, find_data_references_in_loop,
1886 compute_data_dependences_for_loop, analyze_all_data_dependences,
1887 free_dependence_relation, free_dependence_relations,
1888 free_data_refs): Idem.
1889 * tree-data-ref.h (data_reference_p, subscript_p): New.
1890 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1891 VEC instead of VARRAY.
1892 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1893 (find_data_references_in_loop, compute_data_dependences_for_loop,
1894 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1895 dump_data_dependence_relations, free_dependence_relations,
1896 free_data_refs): Adjust declaration.
1897 (lambda_transform_legal_p): Move declaration here...
1898 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1899 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1900 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1901 vect_analyze_data_refs): Use VEC instead of VARRAY.
1902 * lambda.h (lambda_transform_legal_p): ...from here.
1903 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1904 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1905 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1906 tree-chrec.o): Don't depend on VARRAY_H.
1908 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1910 * rtl.def (Copyright): Update date.
1911 (DEPS_LIST): Change type of the second operand to 'int'.
1912 * target.h (Copyright): Update date.
1913 (struct gcc_target.speculate_insn): Change type of the second parameter
1915 * lists.c (Copyright): Update date.
1916 (alloc_DEPS_LIST): Change signature. Update reference to the second
1917 operand of the DEPS_LIST.
1918 (copy_DEPS_LIST_list): Update reference to the second operand of the
1920 * rtl.h (Copyright): Update date.
1921 (alloc_DEPS_LIST): Update signature.
1922 * sched-int.h (Copyright): Update date.
1923 (ds_t): Change typedef to 'int'.
1924 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1926 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1928 * haifa-sched.c (Copyright): Update date.
1929 (try_ready): Change condition to restore non-speculative pattern
1931 (process_insn_depend_be_in_spec): Code to keep probability of the
1932 speculative dependence non-decreasing.
1934 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1936 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1937 shut up the compiler.
1939 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1941 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1942 to use lib prefix for target.
1943 ($(T)libic_invalidate_array_4-200.a): Likewise.
1944 ($(T)libic_invalidate_array_4a.a): Likewise.
1946 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1947 J"orn Rennecke <joern.rennecke@st.com>
1949 * superh.opt: New file.
1950 * sh.c (boardtype, osruntime): Remove.
1951 * superh.h (SUBTARGET_OPTIONS): Remove.
1952 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1954 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1955 arguments with ^ and/or [].
1957 * config.gcc (sh-*-*): Add quoting to account for quirk of
1959 Replace == with = in enable_incomplete_targets test.
1961 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1962 with MASK_LITTLE_ENDIAN.
1964 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1965 * config/sh/sh.opt: Added to some comments.
1966 * config/sh/superh.h: Removed some chaff.
1968 * config/sh/sh.opt: Add m4-[1234]00* options.
1969 * config/sh/sh.c (sh_handle_option): Likewise.
1970 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1971 (ic_invalidate_array_4-100.o): New rule.
1972 ($(T)libic_invalidate_array_4-100.a): Likewise.
1973 (ic_invalidate_array_4-200.o): Likewise.
1974 ($(T)libic_invalidate_array_4-200.a): Likewise.
1975 (ic_invalidate_array_4a.o): Likewise.
1976 ($(T)libic_invalidate_array_4a.a): Likewise.
1977 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1978 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1980 * config/sh/crt1.asm: Merged in profiling code.
1981 * config/sh/superh.h (STARTFILE_SPEC): Override.
1982 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1983 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1984 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1986 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1987 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1988 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1990 * sh.opt (mpretend-cmove): New option.
1991 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1992 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1993 (movsicc): Add TARGET_PRETEND_CMOVE code.
1995 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1997 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1998 s390_class_max_nregs): New function prototypes.
1999 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2000 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2001 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2002 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2004 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2006 * dwarf2out.c (add_location_or_const_value_attribute): Call
2007 tree_add_const_value_attribute if nothing else works.
2008 (reference_to_unused): New.
2009 (rtl_for_decl_init): Use reference_to_unused to decide whether
2010 to output an initializer.
2012 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2015 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2016 peephole removing spe frob_di_df_2.
2018 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2020 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2021 (subscript_dependence_tester_1): Declared.
2022 (print_dir_vectors, print_dist_vectors): New.
2023 (debug_data_dependence_relation): New.
2024 (dump_data_dependence_relation): Print more details.
2025 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2026 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2027 (save_dist_v, save_dir_v, add_outer_distances,
2028 build_classic_dist_vector_1): New.
2029 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2030 Don't test for lambda_vector_lexico_pos.
2031 (same_access_functions, add_multivariate_self_dist,
2032 add_other_self_distances, dir_from_dist): New.
2033 (build_classic_dir_vector): Replace implementation almost identical to
2034 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2036 (subscript_dependence_tester_1): New.
2037 (subscript_dependence_tester): Handle the lexicographically negative
2038 distance vectors by recomputing the dependence relation.
2039 (compute_affine_dependence): Remove parameter loop_nest_depth.
2040 (compute_self_dependence): Don't call compute_subscript_distance.
2041 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2042 Add a parameter for the loop_nest.
2043 (find_loop_nest_1, find_loop_nest): New.
2044 (compute_data_dependences_for_loop): Compute the loop nest, and give
2045 up if the nest is not well formed.
2046 * tree-data-ref.h (loop_p): New.
2047 (struct data_dependence_relation): Replace size_vect field with
2048 loop_nest, a vec of loops.
2049 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2050 (DDR_LOOP_NEST): New.
2051 (print_dir_vectors, print_dist_vectors,
2052 debug_data_dependence_relation): Declared.
2053 (index_in_loop_nest): New.
2054 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2055 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2058 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2060 * simplify-rtx.c (simplify_relational_operation): Call
2061 simplify_relational_operation_1 even if mode is VOIDmode.
2063 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2065 PR tree-optimization/26804
2066 * tree.h (DECL_CALL_CLOBBERED): New macro.
2067 (tree_decl_common): Add call_clobbered_flag.
2068 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2069 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2070 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2071 (mark_non_addressable): Ditto.
2072 * tree-ssa.c (verify_call_clobbered): New function.
2073 (verify_alias_info): Use it.
2074 * tree-pass.h (pass_reset_cc_flags): New prototype.
2075 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2076 (reset_cc_flags): New function.
2077 * passes.c (init_optimization_passes): Call reset_cc_flags after
2078 initializing referenced_vars.
2080 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2081 Roger Sayle <roger@eyesopen.com>
2084 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2085 to 1.0 for non-real operands. Implement A / A optimization for
2088 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2090 * config/i386/i386.c (size_cost): Correct the comment for
2091 cost of storing fp registers.
2092 (i386_cost): Likewise.
2093 (i486_cost): Likewise.
2094 (pentium_cost): Likewise.
2095 (pentiumpro_cost): Likewise.
2096 (k6_cost): Likewise.
2097 (athlon_cost): Likewise.
2098 (k8_cost): Likewise.
2099 (pentium4_cost): Likewise.
2100 (nocona_cost): Likewise.
2101 (generic64_cost): Likewise.
2102 (generic32_cost): Likewise.
2104 2006-03-24 Denis Chertykov <denisc@overta.ru>
2106 * config/avr/avr-protos.h (extra_constraint): Delete.
2107 (extra_constraint_Q): New declaration.
2108 * config/avr/constraints.md: New file.
2109 * config/avr/avr.md: Include it.
2110 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2111 (TMP_REGNO, ZERO_REGNO): Likewise.
2112 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2113 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2114 (extra_constraint): Delete.
2115 (extra_constraint_Q): Test for memory constraint 'Q'.
2116 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2117 (REG_CLASS_FROM_LETTER): Delete.
2118 (CONST_OK_FOR_LETTER_P): Delete.
2119 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2120 (EXTRA_CONSTRAINT): Delete.
2121 (TMP_REGNO): Delete.
2122 (ZERO_REGNO): Delete.
2124 2006-03-24 Jeff Law <law@redhat.com>
2126 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2127 directly. Call mark_new_vars_to_rename slightly earlier.
2129 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2131 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2133 (gen_compile_unit_die): Use new language types for Objective-C and
2135 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2136 DW_LANG_C_plus_plus.
2139 * config/t-darwin (crt3.o): Work around bug 26840.
2140 * config/darwin-crt3.c: Rewrite.
2141 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2143 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2145 * doc/invoke.texi: Document -femit-class-debug-always
2146 * common.opt: Add -femit-class-debug-always.
2148 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2150 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2151 index and base register.
2152 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2153 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2154 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2155 REGNO_OK_FOR_INDEX_P.
2156 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2158 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2159 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2160 REG_OK_FOR_BASE_P): Definitions removed.
2162 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2165 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2166 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2167 set yet or weren't marked as local yet.
2169 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2171 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2174 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2176 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2177 (rs6000_legitimate_small_data_p): Delete.
2178 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2179 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2180 and make static. Add forward declaration. Update uses.
2181 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2182 of offsettable_memref_p.
2183 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2184 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2186 2006-03-24 Jeff Law <law@redhat.com>
2188 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2189 around bug in immediate-use iterator.
2191 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2194 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2195 or __LITTLE_ENDIAN__.
2197 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2199 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2200 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2201 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2202 * config/sh/sh.opt (mdiv=): Amend description.
2203 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2204 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2205 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2206 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2207 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2208 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2209 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2210 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2211 TARGET_DIVIDE_CALL_FP.
2213 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2215 * haifa-sched.c (choose_ready): Fix type of the local variable.
2216 Move local variables. Add comment.
2217 (check_reg_live): Change signature. Make callable from debugger.
2218 * sched-int.h (check_reg_live): Update signature.
2219 * sched-ebb.c (check_reg_live): Update parameters.
2220 * sched-rgn.c (check_reg_live): Ditto.
2221 (region_head_or_leaf_p): Check pointer before dereferencing.
2222 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2223 before reload on optimization levels below 1.
2225 2006-03-23 Richard Henderson <rth@redhat.com>
2227 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2231 * config/alpha/predicates.md (local_symbolic_operand): Reject
2234 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2237 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2238 expressions which have overflowed constants.
2240 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2242 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2244 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2246 * cfgloopmanip.c (create_loop_notes): Removed.
2247 * final.c (final_scan_insn): Do not handle loop notes.
2248 * jump.c (squeeze_notes): Ditto.
2249 * cfglayout.c (skip_insns_after_block,
2250 duplicate_insn_chain): Ditto.
2251 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2253 * cfgloop.h (create_loop_notes): Declaration removed.
2255 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2257 * varasm.c (output_constant_pool): Restore fnname and fndecl
2259 (assemble_start_function): Adjust call accordingly.
2260 (assemble_end_function): Likewise.
2262 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2265 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2268 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2270 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2273 * system.h (ICE_EXIT_CODE): New macro.
2274 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2275 (diagnostic_action_after_output): Likewise.
2276 * gcc.c (fatal_ice): New function.
2277 (execute): Use it instead of fatal.
2278 (fancy_abort): Likewise.
2279 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2281 2006-03-22 Jeff Law <law@redhat.com>
2283 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2284 iv_analyze_result returning false.
2286 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2288 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2290 2006-03-22 Richard Henderson <rth@redhat.com>
2293 * except.c (duplicate_eh_regions_0): New.
2294 (duplicate_eh_region_1): Duplicate the children of the node as
2295 well as the node itself. Link them up properly.
2296 (duplicate_eh_region_2): Merge into ...
2297 (duplicate_eh_regions): ... here. Take copy_region argument, and
2298 copy only a sub-tree if asked. Simplify copying and fixup.
2299 (eh_region_outer_p): New.
2300 * except.h (duplicate_eh_regions): Update decl.
2301 (eh_region_outer_p): Declare.
2302 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2303 (lower_omp_master): Likewise.
2304 (lower_omp_ordered): Likewise.
2305 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2306 (move_stmt_r): Use it to remap labels. Handle recursion vs
2307 remap_decls_p properly.
2308 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2309 (find_outermost_region_in_block): New.
2310 (new_label_mapper): New.
2311 (move_sese_region_to_fn): Copy eh information to the new function
2313 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2315 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2318 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2320 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2321 into shared libraries.
2323 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2325 * doc/md.texi: Refer to i386/constraints.md instead of
2327 * config/i386/constraints.md: New file, extracted from...
2328 * config/i386/predicates.md: ...here.
2329 * config/i386/i386.md: Include constraints.md.
2331 2006-03-21 Jason Merrill <jason@redhat.com>
2333 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2336 * expr.c (init_block_move_fn): Force default visibility.
2337 (init_block_clear_fn): Likewise.
2338 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2339 * targhooks.c (default_external_stack_protect_fail): Likewise.
2341 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2343 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2344 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2345 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2346 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2347 (loadgp): Use mips_current_loadgp_style.
2348 (loadgp_noshared): New pattern.
2349 (sibcall_internal): Use MIPS_CALL.
2350 (sibcall_value_internal): Likewise.
2351 (sibcall_value_multiple_internal): Likewise.
2352 (call_internal): Likewise.
2353 (call_value_internal): Likewise.
2354 (call_value_multiple_internal): Likewise.
2355 (call_split): Use MIPS_CALL and add an 'S' constraint.
2356 (call_value_split): Likewise.
2357 (call_value_multiple_split): Likewise.
2358 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2359 (-mshared): New option.
2360 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2361 (mips_current_loadgp_style): Declare.
2362 * config/mips/mips.c (mips_classify_symbol): Avoid using
2363 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2364 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2365 TARGET_ABSOLUTE_ABICALLS.
2366 (override_options): Adjust comments. Improve the warning that is
2367 issued when -mabicalls and -G are used together.
2368 (mips_file_start): Remove comment.
2369 (mips_current_loadgp_style): New function.
2370 (mips_gnu_local_gp): New variable.
2371 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2373 (mips_output_function_prologue): Use mips_current_laodgp_style.
2374 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2375 the cprestore instruction.
2376 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2377 live for TARGET_ABSOLUTE_ABICALLS.
2378 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2379 (ASM_SPEC): Pass down -mshared and -mno-shared.
2380 (MIPS_CALL): New macro.
2381 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2383 * doc/invoke.texi (-mabicalls): Update documentation.
2384 (-mshared): Document.
2386 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2388 * config/ia64/unwind-hpux.c: New file.
2389 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2391 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2394 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2396 2006-03-21 Jeff Law <law@redhat.com>
2398 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2399 type conversions of a VR_VARYING source to a wider type.
2401 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2403 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2404 tm_file on Solaris 10 and later.
2405 (sparc64-*-solaris2*): Likewise.
2406 (sparc-*-solaris2*): Likewise.
2407 * config/sol26.h: Rename to config/sol2-6.h.
2408 * config/sol2-10.h: New file.
2410 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2413 * tree-ssa-pre.c (create_component_ref_by_pieces):
2416 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2419 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2420 return it immediately.
2422 2006-03-21 Michael Matz <matz@suse.de>
2424 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2426 (remove_arc, add_arc): Update num_out_arcs member.
2427 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2429 (cache_presence): New function.
2430 (compare_states_for_equiv): New function.
2431 (state_is_differed): Don't take number of outargs, adjust callers.
2432 Use new invariant for speeding up.
2433 (init_equiv_class): Create initial classes based on sorted
2435 (partition_equiv_class): Don't track out_arcs_num.
2436 (evaluate_equiv_classes): Call cache_presence on all states and
2439 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2441 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2442 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2443 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2444 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2446 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2447 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2448 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2449 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2450 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2452 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2453 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2454 (REGNO_REG_CLASS): ARGP is in PREGS.
2455 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2457 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2458 to deal with those addresses.
2459 * addresses.h: New file.
2460 * caller-save.c: Include "addresses.h".
2461 (init_caller_save): Use new base_reg_class function.
2462 * rtl-factoring.c: Include "addresses.h".
2463 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2464 * recog.c: Include "addresses.h".
2465 (preprocess_constraints): Use new base_reg_class function.
2466 * regrename.c: Include "addresses.h".
2467 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2468 functions. Keep track of a new var INDEX_CODE to compute valid
2470 (replace_oldest_value_addr): Likewise.
2471 (replace_oldest_value_mem): Use base_reg_class.
2472 * reload.c: Include "addresses.h".
2473 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2474 (find_reloads): Use new base_reg_class function.
2475 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2476 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2477 all callers and prototype changed.
2478 * reload1.c: Include "addresses.h".
2479 (maybe_fix_stack_asms): Use base_reg_class.
2480 * regclass.c: Include "addresses.h".
2481 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2482 (init_reg_autoinc): Use new base_reg_class function.
2483 (record_reg_classes): Likewise.
2484 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2485 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2486 Use new args to compute necessary class.
2488 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2489 regrename.o, rtl-factoring.o): Update dependencies.
2490 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2491 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2492 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2493 REG_OK_FOR_INDEX_P): Delete documentation.
2495 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2497 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2498 from V7 to V9 for Solaris 7 and above.
2500 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2502 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2503 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2504 argument pointers may not alias any other storage.
2505 * common.opt: Define option -fargument-noalias-anything.
2506 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2507 alias semantics is specified by flag_argument_noalias > 2.
2509 2006-03-20 Jeff Law <law@redhat.com>
2511 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2512 (pass_phi_only_cprop): Declare.
2513 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2515 * tree-ssa-dom.c (degenerate_phi_result): New function.
2516 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2517 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2518 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2519 (eliminate_degenerate_phis): Likewise.
2520 (pass_phi_only_cprop): New pass descriptor.
2521 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2522 support code. Callers updated.
2523 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2524 (store_copy_prop): Likewise.
2525 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2527 2006-03-20 Jason Merrill <jason@redhat.com>
2530 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2531 (push_visibility, pop_visibility): Likewise.
2532 * c-pragma.h: Declare them.
2534 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2536 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2538 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2539 parameter and use get_ebb_head_tail.
2540 (sh_md_init_global): Adjust uses of find_regmode_weight.
2542 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2544 * function.h (struct function) <x_tail_recursion_reentry>:
2545 Rename to x_stack_check_probe_note.
2546 (tail_recursion_reentry): Rename to stack_check_probe_note.
2547 * function.c: Replace tail_recursion_reentry with
2548 stack_check_probe_note everywhere.
2549 (expand_function_start): Only emit a note for
2550 stack_check_probe_note with -fstack-protect.
2551 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2553 * emit-rtl.c (remove_unnecessary_notes): Remove.
2554 (pass_remove_unnecessary_notes): Remove.
2555 * rtl.h (remove_unnecessary_notes): Remove prototype.
2556 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2557 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2558 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2560 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2563 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2564 (valid_in_set): Handle ARRAY_REF.
2565 Change "if min_variant or VH" to asserts.
2566 (create_component_ref_by_pieces): Handle ARRAY_REF.
2567 (create_expression_by_pieces): Likewise.
2568 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2570 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2572 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2573 is operand of switch, not str[0].
2575 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2577 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2578 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2580 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2582 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2583 end of insn_extra_address_constraint declaration.
2585 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2587 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2588 (no-sum-in-toc): Same.
2589 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2591 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2592 NO_FP_IN_TOC for -fPIC instead of mask.
2594 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2595 (BOOT_LDFLAGS): Delete.
2597 * config/rs6000/t-aix52: Same.
2599 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2600 (stmsi[345678]_power): New.
2602 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2604 * config/ia64/ia64.opt: Add empty line to end of file.
2606 2006-03-17 Richard Guenther <rguenther@suse.de>
2609 * builtins.c (get_pointer_alignment): For component style references
2610 adjust alignment to the component type alignment. Make sure
2611 to adjust alignment for component access of constants.
2613 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2615 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2618 2006-03-17 Paul Brook <paul@codesourcery.com>
2620 * doc/install.texi: Docuemnt --with-mode.
2621 * config.gcc: Add --with-mode for arm*-*-*.
2622 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2624 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2626 * sh.c (max_labelno_before_reorg): New variable.
2627 (sh_reorg): Initialize it.
2628 (find_barrier): Check max_labelno_before_reorg before using
2629 label_to_alignment. Take length of explicit alignment insns
2630 into account. When seeing a UNSPECV_CONST_END, return it.
2632 * sh.c (fixup_mova): Set mode of affected label to QImode.
2633 (untangle_mova): New function.
2634 (find_barrier): Use it. Check mode of label before decrementing
2636 (sh_reorg): Likewise.
2637 Set mode of all insns back to VOIDmode.
2639 * sh.c (MOVA_LABELREF): New macro.
2640 (mova_p, fixup_mova, sh_reorg): Use it.
2641 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2642 ADDR_DIFF_VEC matches mova.
2644 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2646 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2647 with ATTRIBUTE_UNUSED.
2649 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2651 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2652 pointer, instead of assuming it is possible to derive the
2653 correct args size from a call insn.
2655 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2657 * rtl.h (CONST_INT_P): Define.
2658 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2659 instead of GET_CODE(x) == CONST_INT.
2660 (vax_rtx_costs): Likewise.
2661 (vax_output_int_move): Likewise.
2662 (vax_output_int_add): Likewise.
2663 (legitimate_constant_address_p): Likewise.
2664 (index_term_p): Likewise.
2665 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2666 * config/vax/vax.md (and<mode>3): Likewise.
2667 (ashrsi3): Likewise.
2669 (movstricthi): Likewise.
2670 (movstrictqi): Likewise.
2671 (rotrsi3): Likewise.
2672 (five unnamed insns): Likewise.
2674 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2676 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2677 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2678 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2679 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2680 Pass to ASM_OUTPUT_DWARF_OFFSET.
2681 * dwarf2out.c (debug_frame_section): New.
2682 (output_call_frame_info): Use debug_frame_section. Pass it to
2683 dw2_asm_output_offset.
2684 (output_die): Pass appropriate section to dw2_asm_output_offset.
2685 (output_compilation_unit_header): Likewise.
2686 (output_pubnames): Likewise.
2687 (output_aranges): Likewise.
2688 (enum dw_val_class): Break dw_val_class_lbl_offset into
2689 dw_val_class_lineptr and dw_val_class_macptr.
2690 (add_AT_lbl_offset): Delete.
2691 (add_AT_lineptr): New.
2692 (add_AT_macptr): New.
2693 (AT_lbl): Expect a lineptr or macptr.
2694 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2695 (attr_checksum): Likewise.
2696 (same_dw_val_p): Likewise.
2697 (size_of_die): Likewise.
2698 (value_format): Likewise.
2699 (output_die): Likewise.
2700 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2702 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2703 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2704 * config/darwin-protos.h (darwin_file_start): New.
2705 (darwin_asm_output_dwarf_offset): New.
2706 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2707 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2709 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2710 if not EH section; simplify.
2711 (darwin_file_start): New.
2712 (darwin_asm_output_dwarf_offset): New.
2713 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2715 (DEBUG_INFO_SECTION): Likewise.
2716 (DEBUG_ABBREV_SECTION): Likewise.
2717 (DEBUG_ARANGES_SECTION): Likewise.
2718 (DEBUG_MACINFO_SECTION): Likewise.
2719 (DEBUG_LINE_SECTION): Likewise.
2720 (DEBUG_LOC_SECTION): Likewise.
2721 (DEBUG_PUBNAMES_SECTION): Likewise.
2722 (DEBUG_STR_SECTION): Likewise.
2723 (DEBUG_RANGES_SECTION): Likewise.
2724 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2725 (ASM_OUTPUT_DWARF_OFFSET): New.
2727 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2729 * config.gcc (tm_defines): Always add to previous value rather
2732 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2734 * config/mips/predicates.md (splittable_const_int_operand): New,
2735 split from move_operand.
2736 (splittable_symbolic_operand): New.
2737 (move_operand): Add commentary. Use splittable_const_int_operand.
2738 Inline mips_atomic_symbolic_constant_p.
2739 * config/mips/mips.md: Add combine splitters for handling moves
2740 of splittable_const_int_operands and splittable_symbolic_operands.
2741 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2742 (mips_split_symbol): Declare.
2743 (mips_move_integer): Declare.
2744 * config/mips/mips.c (mips_split_p): Make global.
2745 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2746 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2747 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2748 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2749 (mips_offset_within_object_p): Handle block symbols.
2750 (mips_atomic_symbolic_constant_p): Delete.
2751 (mips_cannot_force_const_mem): Return false for constants that
2752 mips_legitimize_move can handle.
2753 (mips_use_blocks_for_constant_p): New function.
2754 (mips_split_symbol): Make global.
2755 (mips_move_integer): Likewise. Add a temporary register argument.
2756 (mips_legitimize_const_move): Use splittable_const_int_operand and
2757 splittable_symbolic_operand.
2758 (mips_use_anchors_for_symbol_p): New function.
2759 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2760 (mips_split_p): Declare.
2762 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2764 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2765 (mips*-*-linux*): Likewise.
2767 2006-03-16 Roger Sayle <roger@eyesopen.com>
2768 Daniel Speyer <dspeyer@wam.umd.edu>
2771 * tree-dump.c (dump_real): New function.
2772 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2773 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2774 (tree-dump.o): Add $(REAL_H) to the dependencies.
2776 2006-03-16 Roger Sayle <roger@eyesopen.com>
2779 * real.c (real_from_string): If the mantissa is zero, don't bother
2780 parsing the exponent as the result should always be zero.
2782 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2784 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2786 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2788 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2789 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2790 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2791 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2792 ia64_sched_finish_global): New static functions to implement
2793 hooks from gcc_target.sched.
2794 (spec_check_no, max_uid, pending_data_specs): New static variables.
2795 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2796 ia64_spec_check_src_p): New static functions.
2797 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2798 (TARGET_SCHED_ADJUST_COST): Removed.
2799 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2800 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2801 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2802 TARGET_SCHED_GEN_CHECK,
2803 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2804 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2805 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2806 Fixed to handle speculation checks.
2807 (rtx_needs_barrier): Fixed to handle speculative loads and
2809 (ia64_variable_issue): Added code to count speculative loads and their
2811 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2813 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2815 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2817 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2818 (ia64_reorg): Reset stops_p to NULL after it is freed.
2819 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2820 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2821 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2823 (data_speculative, control_speculative, check_load): New attributes.
2824 (mov<mode>_advanced, mov<mode>_speculative,
2825 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2826 zero_extend<mode>di2_speculative,
2827 zero_extend<mode>di2_speculative_advanced): New patterns for
2828 data and control speculative loads.
2829 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2831 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2832 New pattern for data and control speculation checks.
2833 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2834 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2835 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2836 Auxiliary definitions for the patterns.
2837 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2838 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2840 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2842 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2843 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2844 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2845 New resource constraints.
2846 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2848 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2849 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2850 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2851 msched-in-control-spec, msched-ldc, msched-control-ldc,
2852 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2853 msched-prefer-non-control-spec-insns,
2854 msched-count-spec-in-critical-path): New flags to tune speculative
2856 * doc/invoke.texi (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): Document new flags.
2863 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2865 * target.h (struct spec_info_def): New opaque declaration.
2866 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2867 speculate_insn, needs_block_p, gen_check,
2868 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2869 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2870 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2871 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2872 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2873 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2875 (TARGET_SCHED): Use new macros.
2876 * rtl.h (copy_DEPS_LIST_list): New prototype.
2877 * sched-int.h (struct sched_info): Change signature of new_ready field,
2878 adjust all initializations. New fields: add_remove_insn,
2879 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2880 region_head_or_leaf_p.
2881 (struct spec_info_def): New structure declaration.
2882 (spec_info_t): New typedef.
2883 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2884 recovery_block, orig_pat.
2885 (glat_start, glat_end): New variables declaraions.
2886 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2888 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2889 DETACH_LIFE_INFO, USE_GLAT.
2890 (enum SPEC_SCHED_FLAGS): New enumeration.
2891 (NOTE_NOTE_BB_P): New macro.
2892 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2893 attach_life_info, debug_spec_status, check_reg_live): New functions.
2894 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2895 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2897 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2898 * ddg.c (get_block_head_tail): Adjust all uses.
2899 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2900 (sms_sched_info): Initialize new fields.
2901 (contributes_to_priority): Removed.
2902 * haifa-sched.c (params.h): New include.
2903 (get_block_head_tail): Adjust all uses.
2904 (ISSUE_POINTS): New macro.
2905 (glat_start, glat_end): New global variables.
2906 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2907 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2908 old_last_basic_block, before_recovery, current_sched_info_var,
2909 rgn_n_insns, luid): New static variables.
2910 (insn_cost1): New function. Move logic from insn_cost to here.
2911 (find_insn_reg_weight1): New function. Move logic from
2912 find_insn_reg_weight to here.
2913 (reemit_notes, move_insn, max_issue): Change signature.
2914 (move_insn1): Removed.
2915 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2916 extend_bb): New static functions to support extension of scheduler's
2918 (generate_recovery_code, process_insn_depend_be_in_spec,
2919 begin_speculative_block, add_to_speculative_block,
2920 init_before_recovery, create_recovery_block, create_check_block_twin,
2921 fix_recovery_deps): New static functions to support
2922 generation of recovery code.
2923 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2924 restore_bb_notes, move_block_after_check, move_succs): New static
2925 functions to support ebb scheduling.
2926 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2927 functions to support handling of register live information.
2928 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2929 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2930 add_jump_dependencies): New static functions.
2931 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2932 consistancy checking.
2933 (debug_spec_status): New function to call from debugger.
2934 (priority): Added code to handle speculation checks.
2935 (rank_for_schedule): Added code to distinguish speculative instructions.
2936 (schedule_insn): Added code to handle speculation checks.
2937 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2938 Fixed to handle ebbs.
2939 (move_insn): Added code to handle ebb scheduling.
2940 (max_issue): Added code to use ISSUE_POINTS of instructions.
2941 (choose_ready): Added code to choose between speculative and
2942 non-speculative instructions.
2943 (schedule_block): Added code to handle ebb scheduling and scheduling of
2944 speculative instructions.
2945 (sched_init): Initialize new variables.
2946 (sched_finish): Free new variables. Print statistics.
2947 (try_ready): Added code to handle speculative instructions.
2948 * lists.c (copy_DEPS_LIST_list): New function.
2949 * sched-deps.c (extend_dependency_caches): New function. Move logic
2950 from create_dependency_caches to here.
2951 (get_dep_weak, ds_merge): Make global.
2952 * genattr.c (main): Code to output prototype for
2953 dfa_clear_single_insn_cache.
2954 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2955 (output_dfa_clean_insn_cache_func): Code to output
2956 dfa_clear_single_insn_cache function.
2957 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2959 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2961 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2962 New static variables.
2963 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2964 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2966 (ebb_sched_info): Initialize new fields.
2967 (get_block_head_tail): Adjust all uses.
2968 (compute_jump_reg_dependencies): Fixed to use glat_start.
2969 (schedule_ebb): Code to remove unreachable last block.
2970 (schedule_ebbs): Added code to update register live information.
2971 * sched-rgn.c (region_sched_info): Initialize new fields.
2972 (get_block_head_tail): Adjust all uses.
2973 (last_was_jump): Removed. Adjust users.
2974 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2975 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2976 Implement new hooks.
2977 (check_dead_notes1): New static function.
2978 (struct region): New fields: dont_calc_deps, has_real_ebb.
2979 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2980 (BB_TO_BLOCK): Fixed to handle EBBs.
2981 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2982 (ebb_head): New static variable.
2983 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2984 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2986 (compute_dom_prob_ps): New assertion.
2987 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2988 global_live_at_start.
2989 (init_ready_list): New assertions.
2990 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2991 (new_ready): Add support for BEGIN_CONTROL speculation.
2992 (schedule_insns): Fixed code that updates register live information
2994 (schedule_region): Fixed to handle EBBs.
2995 (init_regions): Use extend_regions and check_dead_notes1.
2996 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2997 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2998 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2999 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3000 TARGET_SCHED_GEN_CHECK,
3001 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3002 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3003 * doc/invoke.texi (max-sched-insn-conflict-delay,
3004 sched-spec-prob-cutoff): Document.
3006 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3008 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3009 inter_tick, queue_index.
3010 (struct sched_info): Change signature of init_ready_list field.
3011 Adjust all initializations.
3012 (RESOLVED_DEPS): New access macro.
3013 (ready_add): Remove prototype.
3014 (try_ready): Add prototype.
3015 * sched-rgn.c (init_ready_list): Use try_ready.
3016 (schedule_region): Initialize
3017 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3018 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3019 (init_ready_list): Use try_ready.
3020 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3021 * lists.c (remove_list_elem): Remove `static'.
3022 (remove_free_INSN_LIST_elem): New function.
3023 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3024 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3025 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3027 (readyp): New variable.
3028 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3029 change_queue_index, resolve_dep): New static functions.
3030 (try_ready): New function. Adjust callers in sched-rgn.c and
3031 sched-ebb.c to use it instead of ready_add.
3032 (clock_var): Move at the begining of file.
3033 (rank_for_schedule): Fix typo.
3034 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3035 (ready_lastpos): Enforce assertion.
3036 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3038 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3039 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3040 (queue_to_ready): Use free_INSN_LIST_list.
3041 (early_queue_to_ready): Fix typo.
3042 (schedule_block): Init readyp. Move init_ready_list call after the
3043 initialization of clock_var. Fix error in rejecting insn by
3044 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3045 that previously corrected INSN_TICKs. Add code for handling
3047 (set_priorities): Fix typo.
3048 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3049 Clarify comment and code that keeps current_sched_info->next_tail
3052 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3054 * sched-rgn.c (extend_rgns): New static function.
3055 (find_rgns): Use it.
3056 (gather_region_statistics, print_region_statistics): New static
3058 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3059 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3061 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3062 Andrey Belevantsev <abel@ispras.ru>
3064 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3065 * lists.c (unused_deps_list): New variable.
3066 (free_list): Add assertions to verify the proper distinguishing
3067 between INSN_LISTs and DEPS_LISTs.
3068 (find_list_elem, remove_list_elem, remove_list_node): New static
3070 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3071 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3072 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3073 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3075 (free_INSN_LIST_node): Likewise.
3076 * modulo-sched.c (current_sched_info): Initialize flags field.
3077 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3078 * rtl.def (DEPS_LIST): Define.
3079 * rtl.h: Declare new functions from lists.c.
3080 * sched-deps.c (spec_dependency_cache): New static variable.
3081 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3082 (add_dependence): Change return type to void. Move the logic to ...
3083 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3084 (delete_all_dependences): Add comment about forward_dependency_cache.
3085 Handle spec_dependency_cache. Handle DEPS_LISTs.
3086 (fixup_sched_groups): Clarify the change of priority of output
3087 and anti dependencies.
3088 (sched_analyze_2): Adjust add_dependence calls to create data
3089 speculative dependence.
3090 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3091 Adjust all callers. Handle DEPS_LISTS.
3092 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3093 presence of speculation.
3094 (init_dependency_caches, free_dependency_caches):
3095 Handle spec_dependency_cache.
3096 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3097 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3098 New static functions.
3099 (add_or_update_back_dep, add_or_update_back_forw_dep,
3100 add_back_forw_dep, delete_back_forw_dep): New functions.
3101 * sched-int.h (ds_t, dw_t): New typedefs.
3102 (struct sched_info): Add new field flags.
3103 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3104 Prototype new sched-deps.c functions.
3105 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3106 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3107 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3108 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3109 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3110 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3112 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3114 * sched-rgn.c (current_sched_info): Initialize flags field.
3115 (schedule_insns): Initialize current_sched_info before the sched_init
3117 * sched-ebb.c (current_sched_info): Initialize flags field.
3118 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3119 Call add_or_update_back_dep instead of add_dependence.
3120 Create control speculative dependencies.
3121 (schedule_insns): Initialize current_sched_info before the sched_init
3124 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3126 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3128 (sh_fallback_frame_state): Likewise.
3130 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3132 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3133 Do switch on default_use_cxa_atexit.
3134 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3135 * config/darwin-crt3.o: New.
3136 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3137 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3138 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3140 * config/rs6000/t-darwin: Move crt2.o building to here.
3141 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3142 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3145 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3147 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3148 from '! xxx' to '!xxx' for coding-style conformance.
3149 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3150 (EXTRA_CONSTRAINT): Likewise.
3151 * config/vax/vax.md (four unnamed insns): Likewise.
3153 2006-03-15 Paul Brook <paul@codesourcery.com>
3155 * config/arm/arm.c (minipool_pad): New.
3156 (add_minipool_forward_ref): Include pool alignment padding in address
3158 (push_minipool_fix): Set minipool_pad.
3159 (minipool_pad): Ditto.
3161 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3163 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3164 instead of GET_CODE() == MEM and REG_P() instead of
3166 (print_operand_address): Likewise.
3167 (vax_address_cost): Likewise.
3168 (vax_rtx_costs): Likewise.
3169 (vax_notice_update_cc): Likewise.
3170 (vax_output_int_add): Likewise.
3171 (INDEX_REGISTER_P): Likewise.
3172 (BASE_REGISTER_P): Likewise.
3173 (nonindexed_address_p): Likewise.
3174 (vax_mode_dependent_address_p): Likewise.
3175 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3176 (PRINT_OPERAND): Likewise.
3177 * config/vax/vax.md (ashlsi3): Likewise.
3178 (ashlsi3): Likewise.
3179 (some more unnamed insns): Likewise.
3181 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3183 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3184 iterator-style macro.
3185 (mark_control_dependent_edges_necessary): Update the use of
3186 EXECUTE_IF_CONTROL_DEPENDENT.
3188 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3190 * config/sh/predicates.md (cache_address_operand): Special.
3191 (ua_address_operand): Likewise.
3193 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3195 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3197 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3199 2006-03-15 Andreas Schwab <schwab@suse.de>
3201 * gensupport.c (identify_predicable_attribute): Don't free p_false
3202 when it is still in use.
3204 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3206 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3207 the default setting here.
3209 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3211 * tree-pass.h (pass_cfg): Remove.
3212 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3213 * passes.c (pass_cfg): Don't run it.
3215 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3217 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3218 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3220 (stack_regs_mentioned): Update the uses of
3221 stack_regs_mentioned_data. Don't access the array beyond its
3223 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3224 Don't include gt-reg-stack.h.
3226 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3227 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3229 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3232 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3235 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3237 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3239 2006-03-14 Richard Guenther <rguenther@suse.de>
3241 PR tree-optimization/26672
3242 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3245 2006-03-14 Richard Guenther <rguenther@suse.de>
3247 PR tree-optimization/26667
3248 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3249 node for the callees. Always allow inlining if it will shrink
3252 2006-03-14 Richard Guenther <rguenther@suse.de>
3255 * builtins.c (get_pointer_alignment): Prefer alignment
3256 information from decls over that from types.
3258 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3261 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3263 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3265 * config/rs6000/rs6000.opt (mdlmzb): New option.
3266 (msched-prolog, msched-epilog): Use Var not Mask.
3267 * doc/invoke.texi (-mdlmzb): Document.
3268 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3270 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3271 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3273 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3275 PR rtl-optimization/25739
3276 * bt-load.c (augment_live_range): Free tos pointer.
3278 * gensupport.c (identify_predicable_attribute): Free
3280 * gcov.c (create_file_names): Free name pointer.
3282 2006-03-13 Roger Sayle <roger@eyesopen.com>
3285 * stmt.c (emit_case_nodes): Handle the case where the index is a
3286 CONST_INT, where the comparison mode is specified by the index type.
3288 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3290 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3293 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3295 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3296 (*branch_fp_inverted): Likewise.
3298 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3301 * omp-low.c (expand_omp_for_generic): Mark istart0
3302 and iend0 as addressable.
3304 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3306 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3308 2006-03-13 Jeff Law <law@redhat.com>
3310 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3311 virtual operands are interesting.
3312 (vrp_visit_stmt): Corresponding changes.
3314 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3316 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3318 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3319 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3320 * config/bfin/crti.S: Use it instead of __PIC__.
3321 * config/bfin/crtn.S: Likewise.
3323 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3324 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3326 Lose 'G' modifier for call operand.
3327 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3328 recognize 'G' modifier.
3330 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3333 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3334 * stmt.c (expand_case): Likewise.
3336 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3338 PR rtl-optimization/26254
3339 * loop-invariant.c (seq_insns_valid_p): New function.
3340 (move_invariant_reg): Only emit new code if it is valid.
3342 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3344 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3346 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3347 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3348 (commit_one_edge_insertion): Do not look for loop notes.
3350 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3352 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3353 flag_test_coverage out of loop.
3355 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3357 * final.c (shorten_branches): Remove outdated comment, and turn
3358 the if branch that guards it to continue.
3360 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3362 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3363 * cfgloop.h (struct loop): Remove unused fields.
3365 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3367 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3368 (-dL, -fdump-rtl-loop2): Update the dump file names
3370 * doc/invoke.texi: Update dump file names.
3372 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3374 * predict.c (estimate_probability): Remove.
3375 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3376 * basic-block.h (estimate_probability): Remove prototype.
3377 * passes.c (finish_optimization_passes): Dump branch prediction or
3378 profiling heuristics to the .profile tree dump.
3379 (init_optimization_passes): Unqueue pass_branch_prob.
3381 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3383 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3385 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3386 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3388 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3390 * function.h (frame_offset_overflow): Declare.
3391 * function.c (frame_offset_overflow): New function.
3392 (assign_stack_local_1): Call it to detect that the offset overflows.
3393 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3395 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3397 * config/sh/sh.c: Include alloc-pool.h.
3398 (label_ref_list_pool): New alloc pool.
3399 (label_ref_list_t): New type for lists of labels.
3400 (struct pool_node): Make wend a label_ref_list_t.
3401 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3403 (dump_table): Likewise.
3404 (sh_reorg): Set up the alloc pool before using add_constant and
3405 dump_table, and destroy it when finishing.
3407 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3409 * config/mips/mips.c: Remove redundant comment.
3411 2006-03-10 Jason Merrill <jason@redhat.com>
3414 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3415 the target was declared 'register'.
3417 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3419 * genpreds.c (write_insn_constraint_len): Change definition of
3420 insn_constraint_len to return size_t to match the declaration.
3422 2006-03-10 DJ Delorie <dj@redhat.com>
3424 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3426 (m32c_expand_insv): Fix test for an AND mask.
3428 2006-03-10 Richard Guenther <rguenther@suse.de>
3431 * builtins.c (get_pointer_alignment): Handle component
3432 references for field alignment.
3434 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3436 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3437 when building with libgloss.
3438 (sh*elf): Implement --without-fp option.
3439 (sh64-superh-linux*): Don't multilib.
3441 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3443 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3445 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3447 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3448 Set it when one of the replacement functions returned true.
3449 Return TODO_cleanup_cfg if cfgchanged is true.
3450 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3452 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3454 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3455 instead of gen_lowpart.
3457 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3459 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3461 (mips_output_order_conditional_branch): Declare.
3462 * config/mips/mips.h (MIPS_BRANCH): New macro.
3463 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3464 for the comparison. Use gen_condjump.
3465 (mips_output_conditional_branch): Rework interface to take the
3466 asm templates for a direct branch and the inverse of a direct branch.
3467 (mips_output_order_conditional_branch): New function.
3468 (mips_builtin_branch_and_move): New function.
3469 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3470 branch condition. Use gen_single_cc as the condition for
3471 __builtin_mips_upper_* or __builtin_mips_lower_*.
3472 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3473 Use VOIDmode for the branch condition.
3474 * config/mips/predicates.md (order_operator): New predicate.
3475 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3476 (branch_fp): Rename to...
3477 (*branch_fp): ...this. Remove mode from comparison operator.
3478 Use new mips_output_conditional_branch interface.
3479 (branch_fp_inverted): Rename to...
3480 (*branch_fp_inverted): ...this and update as for *branch_fp.
3481 (*branch_zero<mode>): Rename to...
3482 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3483 Use mips_output_order_conditional_branch. Only accept ordered
3485 (*branch_zero<mode>_inverted): Rename to...
3486 (*branch_order<mode>_inverted): ...this and update as for
3487 *branch_order<mode>.
3488 (*branch_equality<mode>): Accept zero as the second operand to
3489 the equality operator. Use the new mips_output_conditional_branch
3491 (*branch_equality<mode>_inverted): Likewise.
3492 (condjump): New expander.
3493 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3495 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3496 (bc1any2t, bc1any2f): Likewise.
3497 (single_cc): New expander.
3498 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3500 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3502 * doc/md.texi: Update documentation of MIPS constraints.
3503 * config/mips/constraints.md: New file.
3504 * config/mips/mips.md: Include it.
3505 * config/mips/mips.c (mips_char_to_class): Delete.
3506 (override_options): Don't initialize mips_char_to_class.
3507 * config/mips/mips.h (mips_char_to_class): Delete.
3508 (REG_CLASS_FROM_LETTER): Delete.
3509 (CONST_OK_FOR_LETTER_P): Delete.
3510 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3511 (EXTRA_CONSTRAINT_Y): Delete.
3512 (EXTRA_CONSTRAINT_STR): Delete.
3513 (CONSTRAINT_LEN): Delete.
3514 (EXTRA_MEMORY_CONSTRAINT): Delete.
3516 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3518 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3519 original fn's eh regions.
3521 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3523 * fold-const.c (build_range_check): Make sure to use a valid type to
3524 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3527 (range_predecessor): New static function.
3528 (range_successor): Likewise.
3529 (merge_ranges): Use them to compute predecessors and successors of
3532 2006-03-09 Roger Sayle <roger@eyesopen.com>
3535 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3536 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3538 2006-03-08 DJ Delorie <dj@redhat.com>
3540 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3541 (addpsi3): Expand to include memory operands. Remove
3542 reload-specific splits.
3543 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3544 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3545 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3546 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3547 (shift1_qi, shift1_hi, insv): New.
3548 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3549 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3550 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3552 * config/m32c/m32c-protos.h: Update as needed.
3553 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3554 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3555 Fail for unrecognized R* constraints.
3556 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3557 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3558 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3560 (m32c_init_libfuncs): New.
3561 (m32c_legitimate_address_p): Add debug wrapper.
3562 (m32c_rtx_costs): New.
3563 (m32c_address_cost): New.
3564 (conversions): Add 'B' prefix.
3565 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3566 operands, or word regnames for QI operands. 'B' prints bit
3568 (m32c_expand_setmemhi): New.
3569 (m32c_expand_movmemhi): New.
3570 (m32c_expand_movstr): New.
3571 (m32c_expand_cmpstr): New.
3572 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3573 (m32c_expand_neg_mulpsi3): Handle non-ints.
3574 (m32c_cmp_flg_0): New.
3575 (m32c_expand_movcc): New.
3576 (m32c_expand_insv): New.
3577 (m32c_scc_pattern): New.
3578 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3579 a0/a1 out of SIregs.
3580 (STORE_FLAG_VALUE): New.
3581 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3584 * config/m32c/mov.md: Make constraints more liberal.
3585 (zero_extendqihi2): Optimize r0/r1 case.
3586 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3587 * config/m32c/predicates.md (m32c_any_operand): New.
3588 (m32c_nonimmediate_operand): New.
3589 (m32c_hl_operand): New.
3590 (m32c_r3_operand): New.
3593 (memsym_operand): New.
3594 (memimmed_operand): New.
3595 (a_qi_operand): New.
3596 (m32c_eqne_operator): New.
3597 (m32c_1bit8_operand): New.
3598 (m32c_1bit16_operand): New.
3599 (m32c_1mask8_operand): New.
3600 (m32c_1mask16_operand): New.
3601 * config/m32c/blkmov.md: New file.
3602 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3604 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3606 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3607 unsigned to fix signed/unsigned comparison issue in
3608 DWARF2_FRAME_REG_OUT.
3609 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3610 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3612 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3613 of ptr into the ENABLE_CHECKING section.
3615 2006-03-08 Jeff Law <law@redhat.com>
3617 * tree-vrp.c (infer_value_range): Only count pointer uses
3618 and dereferences if -fdelete-null-pointer-checks is enabled.
3620 * tree-vrp.c (find_assert_locations): Infer value ranges for
3621 single use pointers, but do not create ASSERT_EXPRs for them.
3622 When a non-null range is inferred for a pointer, backwards
3623 propagate that range to other equivalent pointers through the
3626 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3629 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3630 language hook targets.
3631 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3632 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3633 if language hook targets were missing.
3635 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3637 * tree-ssa-opfinalize.h: Removed.
3638 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3640 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3641 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3642 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3643 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3644 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3645 finalize_ssa_v_must_def_ops): New.
3647 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3649 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3652 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3654 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3656 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3657 addresses with offsets; reorganize.
3659 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3660 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3661 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3663 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3666 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3668 2006-03-08 Ben Elliston <bje@au.ibm.com>
3670 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3672 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3675 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3678 2006-03-07 Richard Guenther <rguenther@suse.de>
3680 PR tree-optimization/26587
3681 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3683 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3685 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3687 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3689 * hooks.c (hook_bool_mode_rtx_true): New function.
3690 * hooks.h (hook_bool_mode_rtx_true): Declare.
3691 * toplev.c (compile_file): Call output_shared_constant_pool.
3692 * varasm.c (shared_constant_pool): New variable.
3693 (assemble_start_function, assemble_end_function): Remove arguments
3694 from call to output_constant_pool.
3695 (create_constant_pool): New function, split out from...
3696 (init_varasm_status): ...here.
3697 (force_const_mem): Choose between the shared and per-function constant
3698 pools. Set current_function_uses_const_pool when reusing old entries
3699 as well as when creating new ones.
3700 (mark_constant): Ignore data argument.
3701 (mark_constants): Remove pool argument.
3702 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3703 to decide whether the function uses a constant pool.
3704 (output_constant_pool_contents): New function, split out from...
3705 (output_constant_pool): ...here.
3706 (output_shared_constant_pool): New function.
3707 (init_varasm_once): Initialize shared_constant_pool.
3708 * output.h (output_constant_pool): Delete.
3709 (output_shared_constant_pool): Declare.
3710 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3711 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3713 2006-03-06 Nick Clifton <nickc@redhat.com>
3715 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3716 flag_strength_reduce.
3718 2006-03-06 Ben Elliston <bje@au.ibm.com>
3720 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3721 x86_64-*-linux* configurations.
3723 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3724 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3726 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3728 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3730 * basic-block.h: Remove the extern for
3731 rediscover_loops_after_threading.
3733 * cfgloop.c (cancel_loop): Make it static.
3734 * cfgloop.h: Remove the prototype for cancel_loop.
3736 * flow.c (recompute_reg_usage): Make it static.
3737 * rtl.h: Remove the prototype for recompute_reg_usage.
3739 * function.c (use_return_register): Make it static.
3740 * function.h: Remove the prototype.
3742 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3744 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3746 * recog.h: Remove the prototype for
3747 validate_change_maybe_volatile.
3749 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3751 * rtlanal.c (replace_reg): Remove.
3752 * rtl.h: Remove the prototype for replace_reg.
3754 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3756 * regclass.c (reg_scan_update): Remove.
3757 (reg_scan_mark_refs): Remove the last argument.
3758 * rtl.h: Remove the prototype for reg_scan_update.
3760 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3762 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3763 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3764 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3765 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3766 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3767 loop-invariant.c, omp-low.c, opts.c, passes.c,
3768 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3769 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3770 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3771 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3772 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3773 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3775 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3777 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3778 * dwarf2out.h: Remove the prototype for
3779 dwarf2out_add_library_unit_info.
3781 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3783 * tree.c (add_var_to_bind_expr): Remove.
3784 * tree.h: Remove the prototype for add_var_to_bind_expr.
3786 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3788 * regclass.c (n_non_fixed_regs): Remove.
3789 (init_reg_sets_1, globalize_reg): Remove all uses of
3791 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3793 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3795 * rtlanal.c (insns_safe_to_move_p): Remove.
3796 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3798 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3800 * expmed.c (expand_mult_add): Remove.
3801 * expr.h: Remove the prototype for expand_mult_add.
3803 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3805 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3806 and REG_SAVED_VAL_EXP constants.
3807 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3808 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3809 Handle regs stored by value.
3810 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3811 (execute_cfa_program): Handle DW_CFA_val_offset,
3812 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3813 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3814 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3815 (uw_install_context_1): Handle target regs stored by value.
3817 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3819 * tree-sra.c (tree_sra): Return todoflags;
3820 (generate_one_element): Set TODO_update_smt_usage if needed.
3821 (pass_sra): Remove TODO_update_smt_usage.
3822 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3824 (tree_ssa_forward_propagate_single_use_vars): Return
3825 TODO_update_smt_usage if we need to update SMT usage.
3826 (pass_forwprop): Remove TODO_update_smt_usage.
3828 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3830 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3831 (correct_use_link): Remove reference to get_stmt_operands.
3832 (update_stmt_operands): Likewise.
3833 (get_modify_expr_operands): New function factored out of
3834 parse_ssa_operands and get_expr_operands.
3835 Try to create V_MUST_DEFs for LHS by default.
3836 (get_expr_operands) <case MODIFY_EXPR>: Call
3837 get_modify_expr_operands.
3838 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3839 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3840 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3841 get_modify_expr_operands.
3843 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3845 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3846 * tree-flow.h: Remove the prototype for
3847 referenced_var_lookup_if_exists.
3849 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3851 PR rtl-optimization/26345
3853 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3855 2006-03-03 Roger Sayle <roger@eyesopen.com>
3857 PR tree-optimization/26524
3858 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3859 fold_convert to create a constant of the appropriate type.
3861 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3863 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3864 SYMBOL_REF_IN_BLOCK_P.
3865 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3866 of SYMBOL_FLAG_IN_BLOCK.
3867 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3868 instead of SYMBOL_REF_IN_BLOCK_P.
3869 * explow.c (use_anchored_address): Likewise.
3870 * rtl.c (rtx_size): Likewise.
3871 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3872 instead of SYMBOL_FLAG_IN_BLOCK.
3873 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3874 SYMBOL_REF_IN_BLOCK_P.
3875 (assemble_variable): Likewise.
3876 (output_constant_def_contents): Likewise.
3877 (output_constant_pool): Likewise.
3878 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3879 instead of SYMBOL_FLAG_IN_BLOCK.
3880 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3881 SYMBOL_REF_IN_BLOCK_P.
3882 (SYMBOL_REF_BLOCK): Likewise.
3883 (SYMBOL_REF_OFFSET): Likewise.
3884 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3885 SYMBOL_REF_IN_BLOCK_P.
3886 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3887 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3888 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3889 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3891 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3893 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3895 2006-03-02 Roger Sayle <roger@eyesopen.com>
3897 * simplify-rtx.c (simplify_unary_operation): When simplifying
3898 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3899 that we perform the right shift in the appropriate mode, and
3900 then extend or truncate the result to requested mode.
3902 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3904 * gengtype.c (main): Handle double_int type.
3905 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3906 * double-int.c: New file.
3907 * double-int.h: New file.
3908 * system.h: Include doubleint.h.
3909 * Makefile.in (SYSTEM_H): Include double-int.h.
3910 (double-int.o): Add.
3912 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3915 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3918 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3920 * tree-vrp.c (remove_range_assertions): Do not update statements
3923 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3925 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3927 * gcse.c (rest_of_handle_gcse): Ditto.
3928 * except.c (gate_handle_eh): Ditto.
3929 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3930 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3932 2006-03-02 Eric Christopher <echristo@apple.com>
3934 * config/i386/i386.c (machopic_output_stub): Add indirection to
3937 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3941 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3943 Sun Niagara specific optimizations.
3944 * config.gcc: Recognize niagara as target.
3945 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3946 (TARGET_CPU_niagara): Define.
3947 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3948 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3949 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3950 (ASM_CPU_SPEC): Likewise.
3951 (PROCESSOR_NIAGARA): New enum entry.
3952 (REGISTER_MOVE_COST): Handle Niagara.
3953 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3954 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3955 (sparc_override_options): Recognize "niagara", set appropriate
3956 default MASK_* values for it, and align functions to 32-bytes
3957 by default just like ULTRASPARC/ULTRASPARC3.
3958 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3959 (sparc64_initialize_trampoline): Likewise.
3960 (sparc_use_sched_lookahead): Use zero for niagara.
3961 (sparc_issue_rate): Use one for niagara.
3962 * config/sparc/niagara.md: New file.
3963 * config/sparc/sparc.md: Include it.
3964 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3965 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3966 when default cpu is niagara.
3967 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3968 (ASM_CPU_SPEC): Likewise.
3969 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3970 when default cpu is niagara.
3971 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3972 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3973 just like v9/ultrasparc/ultrasparc3.
3974 * doc/invoke.texi: Add documentation for "niagara" and improve
3975 existing documentation for ultrasparc variants.
3977 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3979 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3981 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3983 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3984 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3985 and say that only one is needed.
3986 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3987 * target.h (have_switchable_bss_sections): New hook.
3988 * explow.c (use_anchored_address): Check that the symbol is in a block.
3989 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3990 (bss_noswitch_section): New variables.
3991 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3992 (get_noswitch_section): New function.
3993 (get_block_for_section): Allow SECT to be null.
3994 (unlikely_text_section_p): Use SECTION_STYLE.
3995 (bss_initializer_p): New function.
3996 (get_variable_section): Move earlier in file. Take a new argument,
3997 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3998 Return one of the new *_sections in such cases.
3999 (get_block_for_decl): New function, extracting some logic from
4000 use_blocks_for_decl_p.
4001 (change_symbol_section): Remove in favor of...
4002 (change_symbol_block): ...this new function.
4003 (use_blocks_for_decl_p): Remove checks now performed by
4005 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4006 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4007 (emit_local, emit_bss, emit_common): ...these new functions.
4008 Return true if the alignment was honored.
4009 (emit_tls_common): New function.
4010 (asm_emit_uninitialised): Delete.
4011 (assemble_variable_noswitch): New function, split out from...
4012 (assemble_variable): ...here. Don't make decisions about common
4013 variables here. Globalize all public decls that go into non-common
4014 sections. Check whether SYMBOL_REF_BLOCK is null.
4015 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4016 (output_constant_pool): Likewise.
4017 (init_varasm_once): Initialize the new section variables.
4018 (have_global_bss_p): New function.
4019 (categorize_decl_for_section): Use bss_initializer_p.
4020 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4021 (place_block_symbol): Assert that the symbol must be in a block.
4022 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4023 (TARGET_INITIALIZER): Include it.
4024 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4025 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4026 (SECTION_MACH_DEP): Bump by two.
4027 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4028 (unnamed_section): Mention SECTION_UNNAMED in comment.
4029 (named_section): Likewise SECTION_NAMED.
4030 (noswitch_section_callback): New type.
4031 (noswitch_section): New structure.
4032 (section): Add a noswitch_section alternative.
4033 (SECTION_STYLE): New macro.
4034 (tls_comm_section, comm_section, lcomm_section): Declare.
4035 (bss_noswitch_section, have_global_bss_p): Declare.
4036 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4037 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4039 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4040 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4043 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4045 * gcc/tree-vrp.c (execute_vrp): Return value.
4046 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4047 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4048 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4049 (tree_lower_complex_O0): Ditto.
4050 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4051 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4052 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4053 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4054 (execute_tail_calls): Ditto.
4055 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4056 * gcc/tree.h (init_function_for_compilation): Ditto.
4057 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4058 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4059 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4060 * gcc/final.c (compute_alignments): Ditto.
4061 (rest_of_handle_final): Ditto.
4062 (rest_of_handle_shorten_branches): Ditto.
4063 (rest_of_clean_state): Ditto.
4064 * gcc/omp-low.c (execute_expand_omp): Ditto.
4065 (execute_lower_omp): Ditto.
4066 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4067 * gcc/ipa-reference.c (static_execute): Ditto.
4068 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4069 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4070 (rest_of_handle_machine_reorg): Ditto.
4071 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4072 * gcc/flow.c (recompute_reg_usage): Ditto.
4073 (rest_of_handle_remove_death_notes): Ditto.
4074 (rest_of_handle_life): Ditto.
4075 (rest_of_handle_flow2): Ditto.
4076 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4077 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4078 (do_ssa_store_ccp): Ditto.
4079 (execute_fold_all_builtins): Ditto.
4080 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4081 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4082 * gcc/ipa-pure-const.c (static_execute): Ditto.
4083 * gcc/cse.c (rest_of_handle_cse): Ditto.
4084 (rest_of_handle_cse2): Ditto.
4085 * gcc/web.c (rest_of_handle_web): Ditto.
4086 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4087 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4088 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4089 * gcc/tree-nrv.c (tree_nrv): Ditto.
4090 (execute_return_slot_opt): Ditto.
4091 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4092 (create_structure_vars): Ditto.
4093 * gcc/loop-init.c (rtl_loop_init): Ditto.
4094 (rtl_loop_done): Ditto.
4095 (rtl_move_loop_invariants): Ditto.
4096 (rtl_unswitch): Ditto.
4097 (rtl_unroll_and_peel_loops): Ditto.
4098 (rtl_doloop): Ditto.
4099 * gcc/gimple-low.c (lower_function_body): Ditto.
4100 (mark_used_blocks): Ditto.
4101 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4102 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4103 (cgraph_early_inlining): Ditto.
4104 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4105 * gcc/jump.c (cleanup_barriers): Ditto.
4106 (purge_line_number_notes): Ditto.
4107 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4108 (rest_of_handle_if_after_reload): Ditto.
4109 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4110 (tree_ssa_loop_im): Ditto.
4111 (tree_ssa_loop_unswitch): Ditto.
4112 (tree_vectorize): Ditto.
4113 (tree_linear_transform): Ditto.
4114 (tree_ssa_loop_ivcanon): Ditto.
4115 (tree_ssa_empty_loop): Ditto.
4116 (tree_ssa_loop_bounds): Ditto.
4117 (tree_complete_unroll): Ditto.
4118 (tree_ssa_loop_prefetch): Ditto.
4119 (tree_ssa_loop_ivopts): Ditto.
4120 (tree_ssa_loop_done): Ditto.
4121 * gcc/predict.c (tree_estimate_probability): Ditto.
4122 * gcc/recog.c (split_all_insns_noflow): Ditto.
4123 (rest_of_handle_peephole2): Ditto.
4124 (rest_of_handle_split_all_insns): Ditto.
4125 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4126 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4127 (rest_of_handle_stack_adjustments): Ditto.
4128 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4129 * gcc/function.c (instantiate_virtual_regs): Ditto.
4130 (init_function_for_compilation): Ditto.
4131 (rest_of_handle_check_leaf_regs): Ditto.
4132 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4133 (rest_of_handle_gcse): Ditto.
4134 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4135 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4136 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4137 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4138 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4139 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4140 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4141 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4142 * gcc/except.c (set_nothrow_function_flags): Ditto.
4143 (convert_to_eh_region_ranges): Ditto.
4144 (rest_of_handle_eh): Ditto.
4145 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4146 (remove_unnecessary_notes): Ditto.
4147 * gcc/except.h (set_nothrow_function_flags): Ditto.
4148 (convert_to_eh_region_ranges): Ditto.
4149 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4150 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4151 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4152 (execute_fre): Ditto.
4153 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4154 (rest_of_handle_jump2): Ditto.
4155 * gcc/tree-sra.c (tree_sra): Ditto.
4156 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4157 (execute_mudflap_function_decls): Ditto.
4158 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4159 (do_store_copy_prop): Ditto.
4160 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4161 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4162 * gcc/tree-ssa-forwprop.c
4163 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4164 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4165 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4166 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4167 (execute_late_warn_uninitialized): Ditto.
4168 * gcc/rtl.h (cleanup_barriers): Ditto.
4169 (split_all_insns_noflow): Ditto.
4170 (purge_line_number_notes): Ditto.
4171 (unshare_all_rtl): Ditto.
4172 (remove_unnecessary_notes): Ditto.
4173 (recompute_reg_usage): Ditto.
4174 (variable_tracking_main): Ditto.
4175 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4176 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4177 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4178 (execute_free_cfg_annotations): Ditto.
4179 (execute_fixup_cfg): Ditto.
4180 (execute_cleanup_cfg_pre_ipa): Ditto.
4181 (execute_cleanup_cfg_post_optimizing): Ditto.
4182 (execute_init_datastructures): Ditto.
4183 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4184 * gcc/combine.c (rest_of_handle_combine): Ditto.
4185 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4186 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4187 (rest_of_handle_reorder_blocks): Ditto.
4188 (rest_of_handle_partition_blocks): Ditto.
4189 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4190 * gcc/tree-profile.c (tree_profiling): Ditto.
4191 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4192 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4193 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4194 (rest_of_handle_sched2): Ditto.
4195 * gcc/basic-block.h (free_bb_insn): Ditto.
4196 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4197 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4198 (remove_useless_stmts): Ditto.
4199 (split_critical_edges): Ditto.
4200 (execute_warn_function_return): Ditto.
4201 (execute_warn_function_noreturn): Ditto.
4202 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4203 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4204 * gcc/passes.c (execute_one_pass): Run additional
4205 todos returned by execute function.
4206 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4209 2006-03-02 Richard Guenther <rguenther@suse.de>
4211 * tree-ssa-alias.c (find_used_portions): Consider taking
4212 the address as making the variable not write-only.
4214 2006-03-02 Nick Clifton <nickc@redhat.com>
4216 * config.gcc (default_use_cxa_atexit): Extend the description of
4217 this configure variable. Set its default value to "yes" for
4218 Linux, NetBSD and ELF targets on the assumption that they will
4219 use C libraries with the __cxa_atexit function.
4221 2006-03-02 Ben Elliston <bje@au.ibm.com>
4223 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4224 parameter as unused to suppress a build warning.
4226 2006-03-02 Ben Elliston <bje@au.ibm.com>
4228 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4231 2006-03-01 Roger Sayle <roger@eyesopen.com>
4234 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4235 declared name, the weak reference name, and the typeof name.
4236 (__gthrw): Avoid expanding the declared name suffix.
4237 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4239 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4241 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4243 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4244 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4245 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4246 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4247 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4248 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4249 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4250 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4251 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4252 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4253 (DW_END_default, DW_END_big, DW_END_little): New.
4254 (DW_END_lo_user, DW_END_hi_user): Define.
4255 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4256 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4257 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4260 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4262 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4264 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4266 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4268 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4270 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4271 to 'symbol_mem_tag'.
4273 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4276 2006-03-01 Roger Sayle <roger@eyesopen.com>
4278 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4280 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4283 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4284 MACHO_DYNAMIC_NO_PIC_P.
4285 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4287 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4290 * config/darwin-protos.h (darwin_asm_output_anchor):
4292 * config/darwin-sections.def (cstring_section):
4293 Add SECTION_MERGE to the flags.
4294 (literal4_section): Likewise.
4295 (literal8_section): Likewise.
4296 (objc_selector_refs_section): Likewise.
4297 (objc_cls_refs_section): Likewise.
4298 * config/darwin.c (darwin_asm_output_anchor): New
4300 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4302 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4304 Fix PR tree-optimization/26443
4305 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4306 to todo and PROP_tmt_usage to properties_destroyed.
4307 * tree-ssa-ccp.c (pass_ccp): Ditto.
4308 (pass_store_ccp): Ditto.
4309 * tree-ssa-dom.c (pass_dominator): Ditto.
4311 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4313 * tree-ssa-operands.c: Cleanup whitespace.
4314 (get_asm_expr_operands): Move before first invocation.
4315 (get_indirect_ref_operands): Likewise.
4316 (get_tmr_operands): Likewise.
4317 (get_call_expr_operands): Likewise.
4318 (append_def): Likewise.
4319 (append_use): Likewise.
4320 (append_v_may_def): Likewise.
4321 (append_v_must_def): Likewise.
4322 (add_call_clobber_ops): Likewise.
4323 (add_call_read_ops): Likewise.
4324 (add_stmt_operand): Likewise.
4325 (add_virtual_operand): Likewise.
4326 (build_ssa_operands): Likewise.
4328 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4333 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4334 with a call expr to ...
4335 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4337 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4339 * tree-vrp.c (extract_range_from_assert): Remove special
4340 handling for types with super-types.
4342 2006-03-01 Ben Elliston <bje@au.ibm.com>
4344 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4345 and powerpc64-*-linux* configurations.
4346 * config/t-dfprules: New file.
4348 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4349 Compile dfp-bit.c from the source directory using -DWIDTH and
4350 $DFP_CFLAGS to control the compilation of that file, rather than
4351 generating width-specific versions in the build directory.
4352 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4353 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4355 2006-02-28 Zack Weinberg <zackw@panix.com>
4357 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4360 2006-02-28 Eric Christopher <echristo@apple.com>
4362 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4363 Set up IN_LIBGCC definition of TARGET_64BIT.
4364 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4366 2006-02-28 Roger Sayle <roger@eyesopen.com>
4369 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4370 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4371 cases via the construction of "expr != 0".
4373 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4375 * alias.c (alias_invariant, alias_invariant_size): Remove.
4376 (record_base_value): Remove.
4377 (memrefs_conflict_p): Don't look at alias_invariant.
4378 (end_alias_analysis): Don't free it.
4379 * alias.h (record_base_value): Remove prototype.
4381 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4382 Adam Nemet <anemet@caviumnetworks.com>
4384 * rtl.h (truncated_to_mode): Declare it.
4385 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4386 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4387 (RTL_HOOKS_INITIALIZER): Include it.
4388 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4389 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4390 reg_truncated_to_mode.
4391 * rtlanal.c (truncated_to_mode): Define it.
4392 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4394 2006-02-28 Jeff Law <law@redhat.com>
4396 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4397 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4398 the range allowed by TYPE_PRECISION.
4400 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4402 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4404 PR tree-optimization/26419
4405 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4408 2006-02-27 Zack Weinberg <zackw@panix.com>
4410 * doc/md.texi: Fix typo in previous change.
4412 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4416 2006-02-27 Zack Weinberg <zackw@panix.com>
4418 * rtl.def (define_constraint, define_register_constraint)
4419 (define_memory_constraint, define_address_constraint): New MD forms.
4420 * gensupport.c (process_rtx): Put define_constraint etc on the
4422 * genpreds.c (process_define_predicate): Adjust comment. Validate
4423 the name, and call validate_exp to validate the expression.
4424 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4425 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4426 all callers changed.
4427 (validate_exp, needs_variable, struct constraint_data)
4428 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4429 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4430 (const_dbl_constraints, constraint_max_namelen)
4431 (have_register_constraints, have_memory_constraints)
4432 (have_address_constraints, have_address_constraints)
4433 (have_extra_constraints, have_const_int_constraints)
4434 (have_const_dbl_constraints, mangle, add_constraint)
4435 (process_define_constraint, process_define_register_constraint)
4436 (write_enum_constraint_num, write_lookup_constraint)
4437 (write_insn_constraint_len, write_regclass_for_constraint)
4438 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4439 (write_insn_extra_memory_constraint)
4440 (write_insn_extra_address_constraint)
4441 (write_satisfies_constraint_fns): New.
4442 (write_tm_preds_h): If we have new-style constraint definitions,
4443 prototype the functions generated from them, and define the
4444 old constraint interface (still used by generic code) in terms of
4446 (write_insn_preds_c): If we have new-style constraint definitions,
4447 generate all relevant functions from those definitions.
4448 (main): Handle define_constraint etc.
4449 * genoutput.c (struct constraint_data, indep_constraints)
4450 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4451 (mdep_constraint_len): New data structures and functions, defined
4452 #ifdef USE_MD_CONSTRAINTS.
4453 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4454 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4455 use new logic to validate operand constraints against constraint
4457 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4459 * defaults.h: If none of the old-style constraint macros are
4460 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4461 old-style macros; and poison REG_CLASS_FROM_LETTER,
4462 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4464 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4465 * doc/md.texi: Document new constraint-definition mechanism and the
4466 C interface it provides. Remove references to old mechanism
4467 elsewhere in the document.
4468 (Machine Constraints): Use pathnames relative to gcc directory,
4469 i.e. config/ARCH/FILE. Change i386 section to refer to
4470 config/i386/predicates.md; update that section to match docstrings.
4471 * doc/tm.texi: Move all documentation of the old constraint-
4472 definition macros to their own section, clearly mark as obsolete.
4474 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4475 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4477 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4478 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4479 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4481 (splits and peepholes): Use satisfies_constraint_*.
4482 * config/i386/i386.c (memory_address_length)
4483 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4485 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4487 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4488 scalar operation to be put back into the loop.
4490 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4493 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4494 (extract_cie_info): Handle S flag in augmentation string.
4495 (execute_cfa_program): If context->signal_frame, execute also
4496 fs->pc == context->ra instructions.
4497 (uw_frame_state_for): If context->signal_frame, don't subtract one
4498 from context->ra to find FDE.
4499 (uw_update_context_1): Set context->signal_frame to
4501 (_Unwind_GetIPInfo): New function.
4502 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4503 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4505 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4506 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4507 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4508 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4509 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4510 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4511 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4512 x86_64_fallback_frame_state): Set fs->signal_frame.
4513 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4514 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4515 (frob_update_context): Likewise. Workaround missing S flag in
4516 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4517 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4518 Remove the psw_addr + 1 hack.
4520 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4522 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4523 with aggregates here.
4524 (find_func_aliases): Remove code for &<aggregate> from here.
4526 2006-02-26 Roger Sayle <roger@eyesopen.com>
4528 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4529 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4530 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4533 2006-02-26 Roger Sayle <roger@eyesopen.com>
4536 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4538 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4540 * opts.c (decode_options): Do not handle flag_strength_reduce.
4541 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4542 and OPT_fstrength_reduce.
4543 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4544 flag_prefetch_loop_arrays for being nonzero.
4545 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4547 (fprefetch-loop-arrays-rtl): Removed.
4548 (flag_prefetch_loop_arrays): Do not specify the value.
4550 * doc/passes.texi: Update documentation of loop optimizer
4552 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4553 -frerun-loop-opt): Remove.
4555 2006-02-26 Richard Guenther <rguenther@suse.de>
4557 PR tree-optimization/26421
4558 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4559 in function calls that are ADDR_EXPRs as using the whole structure.
4561 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4563 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4564 * tree-pass.h (pass_loop_optimize): Remove.
4565 * passes.c (pass_loop_optimize): Never run it.
4566 * toplev.c (backend_init): Don't call init_loop.
4567 * opts.c (flag_loop_optimize_set): Remove.
4568 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4569 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4570 the old RTL loop optimizer when profiling enabled.
4571 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4572 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4573 pre-headers for the sake of the old RTL loop optimizer.
4574 * Makefile.in: Remove all references to loop.o.
4576 * doc/invoke.texi: Remove all references to -floop-optimize
4577 and -frerun-loop-opt.
4579 2006-02-26 Zack Weinberg <zackw@panix.com>
4581 * doc/md.texi (Machine Constraints): Refer to all files with paths
4582 relative to gcc directory (i.e. config/CPU/file). Add missing
4583 @table @code ... @end table to M32C subsection.
4585 2006-02-26 Roger Sayle <roger@eyesopen.com>
4587 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4589 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4591 2006-02-26 Roger Sayle <roger@eyesopen.com>
4592 James A. Morrison <phython@gcc.gnu.org>
4595 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4596 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4597 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4598 signedness of the shift operation.
4600 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4602 PR tree-optimization/26359
4603 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4605 2006-02-25 Roger Sayle <roger@eyesopen.com>
4607 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4608 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4609 as X == 0, and some symmetry related transformations.
4610 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4612 2006-02-25 Roger Sayle <roger@eyesopen.com>
4615 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4616 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4617 symmetry related transformations. Fold (X^C1) == C2 as
4620 2006-02-25 Juergen Weigert <jw@suse.de>
4621 Richard Guenther <rguenther@suse.de>
4623 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4625 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4627 * combine.c (gen_lowpart_or_truncate): Call
4628 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4630 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4632 * doc/invoke.texi: Move -fopenmp description to "Options for
4634 Remove reference to -lgomp.
4636 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4638 * doc/install.texi: Require GNU tar version 1.14.
4640 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4642 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4643 * doc/invoke.texi (C++ Dialect Options): Document
4644 -fno-use-cxa-get-exception-ptr.
4645 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4646 * configure: Regenerate.
4647 * c.opt (fuse-cxa-get-exception-ptr): New.
4648 * c-opts.c (c_common_handle_option): Handle
4649 OPT_fuse_cxa_get_exception_ptr.
4650 * c-common.c (flag_use_cxa_atexit): Update documentation.
4651 (flag_use_cxa_get_exception_ptr): New.
4652 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4653 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4655 (C_COMMON_OVERRIDE_OPTIONS): New.
4657 2006-02-24 Roger Sayle <roger@eyesopen.com>
4660 * combine.c (try_combine): Explicitly check whether GET_CODE is
4661 a SET or a CLOBBER, instead on checking that it isn't a USE.
4663 2006-02-24 Roger Sayle <roger@eyesopen.com>
4665 * fold-const.c (fold_comparison): New subroutine of fold_binary
4666 containing transformations common to both the equality and
4667 ordering relational operators, factored out of fold_binary.
4668 (fold_binary): Separate out the equality operators (EQ_EXPR
4669 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4670 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4671 transformations common to both.
4672 (fold_div_compare): Fix latent bugs in the previously unreachable
4673 LT_EXPR and GE_EXPR cases.
4675 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4677 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4678 decl libname for clog to __clog on AIX.
4680 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4682 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4685 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4686 output traceback table for thunks. Localise rs6000_stack_info call.
4688 2006-02-23 Roger Sayle <roger@eyesopen.com>
4689 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4691 * gthr-posix.h (__gthrw): Fix typo in comment.
4693 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4695 * doc/cpp.texi (Character sets): Document that we do support
4696 input files to be in any character set.
4698 2006-02-23 Jeff Law <law@redhat.com>
4700 * tree.h (PHI_ARG_NONZERO): Remove.
4701 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4702 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4703 node to the new node.
4705 PR tree-optimization/26425
4706 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4707 min/max, then assume its varying.
4709 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4711 PR rtl-optimization/26316
4712 * rtlanal.c (enum may_trap_p_flags): New.
4713 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4714 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4715 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4716 (may_trap_after_code_motion_p): New function.
4717 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4718 (find_invariant_insn): Use may_trap_after_code_motion_p.
4719 * rtl.h (may_trap_after_code_motion_p): Declare.
4721 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4723 * emit-rtl.c (immed_double_const): Cleanup.
4725 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4727 Fix PR tree-optimization/26376
4728 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4731 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4734 * gimplify.c (omp_add_variable): Guard variable size decl test with
4735 DECL_SIZE (decl) check.
4737 2006-02-23 Richard Guenther <rguenther@suse.de>
4740 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4741 like aggregate types.
4743 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4745 * configure.ac: Add --with{,out}-long-double-128 configure option.
4746 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4747 * configure: Rebuilt.
4748 * config.in: Rebuilt.
4749 * doc/install.texi (Options specification): Document
4750 --with-long-double-128.
4752 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4753 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4754 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4755 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4757 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4759 * config/s390/s390.c (override_options): Handle
4760 TARGET_DEFAULT_LONG_DOUBLE_128.
4762 * config/alpha/alpha.c (override_options): Handle
4763 TARGET_DEFAULT_LONG_DOUBLE_128.
4765 * config/sparc/sparc.c (sparc_override_options): Handle
4766 TARGET_DEFAULT_LONG_DOUBLE_128.
4768 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4770 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4771 (real-install-headers-tar, real-install-headers-cpio)
4772 (real-install-headers-cp): New targets.
4774 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4776 * tree.h (variable_section): Delete.
4777 * varasm.c (variable_section): Delete.
4779 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4781 * install.texi: Add notes on install.texi2html.
4782 (Building in parallel): Do not use footnotes.
4784 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4787 * doc/install.texi (Configuration): Document --disable-libgomp.
4789 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4791 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4793 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4795 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4796 (vec_extractv2df_0_sse): New.
4798 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4800 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4801 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4802 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4803 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4804 to the result of the expression.
4805 (def_cfa_1): Adjust.
4806 (frame_pointer_cfa_offset): Rename to...
4807 (frame_pointer_fb_offset): ... this. Adjust all uses.
4808 (convert_cfa_to_loc_list): Rename to...
4809 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4810 Pass it on to build_cfa_loc.
4811 (compute_frame_pointer_to_cfa_displacement): Rename to...
4812 (compute_frame_pointer_to_fb_displacement): ... this. New
4813 offset parameter. Use it in computation.
4814 (gen_subprogram_die): Compute cfa_fb_offset with the new
4815 macro, and use it to compute the fb loc list and the
4818 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4820 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4821 replaced with register_operand.
4822 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4823 non-DREG is expensive.
4824 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4825 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4828 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4830 * doc/install.texi2html: Use set -e.
4832 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4834 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4835 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4836 * doc/invoke.texi (-fshared-data): Delete.
4837 * common.opt (fshared-data): Delete.
4838 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4839 (assemble_static_space): Remove #if 0 code.
4840 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4841 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4842 * config/cris/cris.h: Remove FIXME.
4844 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4846 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4849 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4852 * combine.c (simplify_shift_const_1): Disable nested shifts
4853 optimization for vector shifts.
4855 2006-02-20 Roger Sayle <roger@eyesopen.com>
4857 PR tree-optimization/26361
4858 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4859 of unsigned integer types.
4861 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4863 * tree-chrec.c (eq_evolutions_p): New.
4864 * tree-chrec.h (eq_evolutions_p): Declared.
4865 * tree-data-ref.c: Fix formatting.
4866 (datadep_stats, dependence_stats): New.
4868 (print_direction_vector): New.
4869 (dump_data_dependence_relation): Use print_direction_vector.
4870 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4871 (compute_subscript_distance): Static.
4872 (initialize_data_dependence_relation): Static. Get the number
4873 of loops surrounding the references from the callers, and initialize
4874 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4875 base_object_differ_p analyzers.
4876 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4877 compute_overlap_steps_for_affine_1_2,
4878 analyze_subscript_affine_affine): Count the classified dependences.
4879 Print a message when a test failed.
4880 (can_use_analyze_subscript_affine_affine): New.
4881 (analyze_siv_subscript): Compute the data dependences on symbolic
4882 scevs that verify can_use_analyze_subscript_affine_affine.
4883 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4884 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4885 Handle symbolic scevs.
4886 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4888 (subscript_dependence_tester): Moved...
4889 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4890 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4891 DDR_SIZE_VECT instead of getting it in parameter.
4892 (subscript_dependence_tester): ... here. Take as a parameter
4893 loop_nest_depth. Call build_classic_dist_vector and
4894 build_classic_dir_vector.
4895 (compute_affine_dependence): Update subscript_dependence_tester
4896 parameters. Update datadep_stats counters. Call
4897 compute_subscript_distance.
4898 (compute_self_dependence): Save the dist and dir vectors. Call
4899 compute_subscript_distance.
4900 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4901 (compute_all_dependences): Reorder parameters as they were before
4902 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4903 compute_subscript_distance. Update the use of
4904 compute_affine_dependence and initialize_data_dependence_relation.
4905 (find_data_references_in_loop): Handle COMPONENT_REF.
4906 (compute_data_dependences_for_loop): Initialize dependence_stats.
4907 Don't call build_classic_dist_vector and build_classic_dir_vector.
4908 Update the parameters of initialize_data_dependence_relation and
4909 compute_all_dependences. Print the statistics from datadep_stats.
4910 (analyze_all_data_dependences): Static. Not used until the pass for
4911 checking the data dependences is contributed.
4912 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4913 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4914 (initialize_data_dependence_relation, compute_affine_dependence,
4915 analyze_all_data_dependences, compute_subscript_distance): Removed.
4916 (print_direction_vector): New.
4917 * lambda.h (gcd): ... here.
4918 (lambda_vector_gcd): Moved here from gcd_vector.
4919 * lambda-code.c (gcd, gcd_vector): Removed.
4920 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4921 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4923 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4925 * ipa-type-escape.c: Tidy some comments and white space.
4926 * tree-ssa-operands.c: Likewise.
4928 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4931 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4932 (dump_decl_name): Do not walk the decl tree chains.
4933 * tree-pass.h (TDF_CHAIN): Remove.
4935 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4937 * Makefile.in (C): Remove
4939 (.PHONY): Remove C and PROTO
4941 2006-02-20 Roger Sayle <roger@eyesopen.com>
4944 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4945 deprecated CHAR_TYPE tree code.
4947 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4949 * configure.ac (target_list): Add install-info, dvi, html.
4950 * configure: Regenerate.
4952 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4953 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4954 treelang/Make-lang.in: Do not use double-colon rules.
4956 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4958 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4959 (TMT_USED_ALONE): New macro.
4960 * tree-pass.h (PROP_tmt_usage): New property.
4961 (TODO_update_tmt_usage): New todo.
4962 * tree-ssa-alias.c (updating_used_alone): New variable.
4963 (recalculate_used_alone): New function.
4964 (compute_may_aliases): Set updating_used_alone, call
4965 recalculate_used_alone.
4966 * tree-sra.c (pass_sra): Note that this pass destroys
4967 PROP_tmt_usage, and add TODO_update_tmt_usage.
4968 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4969 * tree-flow.h (updating_used_alone): Prototype.
4970 (recalculate_used_alone): Ditto.
4971 * passes.c (execute_todo): Add code to set updating_used_alone,
4972 and call recalculate.
4973 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4974 for clobber if used alone, and add assert to verify used_alone
4977 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4979 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4980 for non tls symbols added.
4981 (legitimize_address): Do nothing for PLUS expressions if one of the
4982 addends is a tls symbol reference.
4984 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4988 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4990 * Makefile.in (BOOTSTRAPPING): New.
4991 (quickstrap): New definition if BOOTSTRAPPING=yes.
4993 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4994 * configure.ac: Substitute all_selected_languages with the languages
4995 that were configured. For all the other variables except
4996 lang_specs_files, include all the languages in the tree.
4997 * configure: Regenerate.
4999 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5000 if there is one. Run the commands to run fixincludes in the same
5003 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5004 * doc/install.texi: Document exact conventions for searching target tools.
5005 Document --with-build-time-tools. Document toplevel bootstrap. Document
5006 something more about building an Ada cross-compiler. Don't list GNU Make
5007 requirements which affect all platforms.
5009 2006-02-19 Roger Sayle <roger@eyesopen.com>
5012 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5013 only equivalent if the have both the same mode and precision.
5015 2006-02-20 Ben Elliston <bje@au.ibm.com>
5017 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5019 2006-02-19 Roger Sayle <roger@eyesopen.com>
5020 Steven Bosscher <stevenb.gcc@gmail.com>
5022 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5023 constant pool references to identify stack mode constants.
5024 * rtlanal.c (constant_pool_constant_p): New predicate to check
5025 whether operand is a floating point constant in the pool.
5026 * rtl.h (constant_pool_constant_p): Prototype here.
5027 * loop.c (scan_loop): Avoid hoisting constants from the constant
5028 pool on STACK_REGS targets.
5029 (load_mems): Likewise.
5030 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5031 loads into x87 registers expensive in terms of register pressure.
5033 2006-02-19 Roger Sayle <roger@eyesopen.com>
5035 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5036 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5038 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5040 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5041 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5043 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5045 * doc/invoke.texi: Document -fipa-pta.
5046 * common.opt: Add ipa-pta option.
5047 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5048 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5049 (do_ds_constraint): Ditto.
5050 (get_constraint_for): Only add to referenced_vars if
5051 referenced_vars exists.
5052 (insert_into_field_list): Rewrite to do this unsorted.
5053 (insert_into_field_list_sorted): Rename old insert_into_field_list
5055 (create_function_info_for): Use insert_into_field_list_sorted.
5056 (create_variable_info_for): Rewrite so it uses unsorted version,
5057 since the field list is sorted.
5058 (intra_create_variable_infos): Only add to referenced_vars if
5059 referenced_vars exists.
5060 (ipa_pta_execute): Init heapvars, and delete when done.
5061 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5063 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5065 * doc/install.texi: Add missing `@samp'.
5067 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5069 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5072 2006-02-18 Mark Wielaard <mark@klomp.org>
5074 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5075 who added new 4.1 features, bug fixes and integration support.
5077 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5080 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5083 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5085 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5086 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5087 (copy_insn_1): Likewise. Don't copy each field individually.
5089 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5091 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5092 * rtl.c (rtx_size): Rename variable to...
5093 (rtx_code_size): ...this.
5094 (rtx_size): New function.
5095 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5096 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5098 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5099 * rtl.h (rtx_code_size): New variable.
5100 (rtx_size): Change from a variable to a function.
5101 (RTX_SIZE): Rename to...
5102 (RTX_CODE_SIZE): ...this.
5105 PR tree-optimization/17106
5106 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5107 (Anchored Addresses): New section.
5108 * doc/invoke.texi (-fsection-anchors): Document.
5109 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5110 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5111 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5112 * hooks.c (hook_bool_mode_rtx_false): New function.
5113 * hooks.h (hook_bool_mode_rtx_false): Declare.
5114 * gengtype.c (create_optional_field): New function.
5115 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5116 SYMBOL_REF_IN_BLOCK_P is true.
5117 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5118 (min_anchor_offset, max_anchor_offset): Likewise.
5119 (use_anchors_for_symbol_p): New hook.
5120 * toplev.c (compile_file): Call output_object_blocks.
5121 (target_supports_section_anchors_p): New function.
5122 (process_options): Check that -fsection-anchors is only used on
5123 targets that support it and when -funit-at-a-time is in effect.
5124 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5125 if the decl doesn't have one.
5126 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5127 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5128 of force_const_mem through use_anchored_address.
5129 (expand_expr_constant): New function.
5130 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5131 calling expand_expr for INDIRECT_REF.
5132 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5133 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5134 * expr.h (use_anchored_address): Declare.
5135 * loop-unroll.c: Don't declare rtx vectors here.
5136 * explow.c: Include output.h.
5137 (validize_mem): Call use_anchored_address.
5138 (use_anchored_address): New function.
5139 * common.opt (-fsection-anchors): New switch.
5140 * varasm.c (object_block_htab, anchor_labelno): New variables.
5141 (hash_section, object_block_entry_eq, object_block_entry_hash)
5142 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5143 (use_blocks_for_decl_p, change_symbol_section): New functions.
5144 (get_variable_section): New function, split out from assemble_variable.
5145 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5146 use_blocks_for_decl_p say so. Use change_symbol_section if the
5147 symbol has already been created.
5148 (assemble_variable_contents): New function, split out from...
5149 (assemble_variable): ...here. Don't output any code for
5150 block symbols; just pass them to place_block_symbol.
5151 Use get_variable_section and assemble_variable_contents.
5152 (get_constant_alignment, get_constant_section, get_constant_size): New
5153 functions, split from output_constant_def_contents.
5154 (build_constant_desc): Create a block symbol if use_object_blocks_p
5155 says so. Or into SYMBOL_REF_FLAGS.
5156 (assemble_constant_contents): New function, split from...
5157 (output_constant_def_contents): ...here. Don't output any code
5158 for block symbols; just pass them to place_section_symbol.
5159 Use get_constant_section and get_constant_alignment.
5160 (force_const_mem): Create a block symbol if use_object_blocks_p and
5161 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5162 (output_constant_pool_1): Add an explicit alignment argument.
5163 Don't switch sections here.
5164 (output_constant_pool): Adjust call to output_constant_pool_1.
5165 Switch sections here instead. Don't output anything for block symbols;
5166 just pass them to place_block_symbol.
5167 (init_varasm_once): Initialize object_block_htab.
5168 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5169 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5170 (place_block_symbol, get_section_anchor, output_object_block)
5171 (output_object_block_htab, output_object_blocks): New functions.
5172 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5173 (TARGET_ASM_OUT): Include it.
5174 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5175 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5176 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5177 (TARGET_INITIALIZER): Include them.
5178 * rtl.c (rtl_check_failed_block_symbol): New function.
5179 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5180 (block_symbol, object_block): New structures.
5181 (rtx_def): Add a block_symbol field to the union.
5182 (BLOCK_SYMBOL_CHECK): New macro.
5183 (rtl_check_failed_block_symbol): Declare.
5184 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5185 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5186 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5187 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5188 * output.h (output_section_symbols): Declare.
5189 (object_block): Name structure.
5190 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5191 (default_use_anchors_for_symbol_p): Declare.
5192 * Makefile.in (RTL_BASE_H): Add vec.h.
5193 (explow.o): Depend on output.h.
5194 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5195 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5196 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5197 (rs6000_use_blocks_for_constant_p): New function.
5199 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5201 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5203 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5206 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5209 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5211 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5215 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5218 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5219 instead of DECL_REGISTER.
5221 2006-02-18 Olivier Hainque <hainque@adacore.com>
5224 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5226 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5229 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5230 * opth-gen.awk: Handle Var and InverseMask together.
5231 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5232 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5233 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5234 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5236 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5237 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5238 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5239 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5240 LINUX_DYNAMIC_LINKER): Define.
5241 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5242 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5244 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5245 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5246 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5247 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5248 (TARGET_C99_FUNCTIONS): Don't define.
5249 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5250 GLIBC_DYNAMIC_LINKER.
5251 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5252 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5253 GLIBC_DYNAMIC_LINKER64): Define.
5254 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5255 LINUX_DYNAMIC_LINKER64.
5256 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5257 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5258 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5259 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5260 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5261 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5262 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5263 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5264 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5265 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5266 and LINUX_DYNAMIC_LINKER32.
5267 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5268 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5269 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5270 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5271 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5273 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5274 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5275 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5276 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5277 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5278 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5279 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5280 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5281 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5282 LINUX_DYNAMIC_LINKER): Define.
5283 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5284 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5285 GLIBC_DYNAMIC_LINKER64): Define.
5286 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5287 LINUX_DYNAMIC_LINKER64.
5288 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5289 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5290 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5291 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5292 LINUX_DYNAMIC_LINKER): Define.
5293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5294 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5295 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5296 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5297 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5298 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5299 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5300 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5301 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5302 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5304 * doc/invoke.texi (-muclibc): Remove caveat about supported
5307 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5309 * doc/cpp.texi (__TIMESTAMP__): Document.
5311 2006-02-17 Roger Sayle <roger@eyesopen.com>
5314 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5315 C is one less than the width of X (and related transformations).
5316 * simplify-rtx.c (simplify_unary_operation_1): Transform
5317 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5318 depending on STORE_FLAG_VALUE, were C is one less then the
5321 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5323 Fix PR tree-optimization/26341
5324 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5325 about NAME_MEMORY_TAG's.
5327 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5330 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5331 with hardware float support, and software float support. Add fcpy
5332 alternative to hardware patterns. Add alternatives to copy between
5333 general and floating-point registers to the 32-bit pattern.
5334 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5335 secondary reload to load a QI or HI mode constant into a floating
5337 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5338 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5340 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5343 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5345 (load_macho_picbase_di): Likewise.
5347 2006-02-16 Jeff Law <law@redhat.com>
5349 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5350 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5351 (ssa_name_nonzero_p): Likewise.
5352 (get_value_range): Return NULL if VRP is not running.
5353 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5354 VRP routines do not discover a range.
5355 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5356 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5357 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5358 (tree_expr_nonnegative_p): Similarly.
5359 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5360 (restore_nonzero_vars_to_original_value): Remove.
5361 (unsafe_associative_fp_binop): Remove.
5362 (tree_ssa_dominator_optimize): Remove initialization and
5363 finalization of nonzero_vars and nonzero_vars_stack.
5364 (dom_opt_initialize_block): No longer push marker on
5366 (dom_opt_finalize_block): No longer call
5367 restore_nonzero_vars_to_original_value.
5368 (record_equivalences_from_phis): No longer look for
5369 nonzero PHI arguments.
5370 (cprop_into_successor_phis): No longer propagate nonzero
5371 property into PHI arguments. Lose unused argument. Caller
5373 (record_equivalences_from_stmt): No longer record nonzero
5374 values for SSA_NAMEs.
5375 (lookup_avail_expr): No longer use nonzero_vars.
5377 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5378 for sizetype when sizetype is unsigned.
5380 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5382 PR rtl-optimization/25603
5383 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5384 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5385 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5386 with new meaning of SETS.
5388 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5393 * config/linux.opt: New file.
5394 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5395 LINUX_DYNAMIC_LINKER): Define.
5396 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5397 * config.gcc (*-*-linux*): Define extra_options.
5398 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5399 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5400 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5401 GLIBC_DYNAMIC_LINKER.
5402 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5403 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5404 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5405 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5406 * doc/invoke.texi (GNU/Linux Options): New section.
5408 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5410 * config/sparc/sparc.md (setjmp): Rewrite.
5411 (setjmp_32): Delete.
5412 (setjmp_64): Likewise.
5414 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5416 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5419 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5421 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5424 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5426 PR rtl-optimization/26296
5427 * Makefile.in (loop-invariant.c): Add except.h dependency.
5428 * loop-invariant.c: Include except.h.
5429 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5431 2005-02-16 Paul Brook <paul@codesourcery.com>
5433 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5436 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5438 PR rtl-optimization/25636
5439 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5440 when deciding whether an insn is an initializing insn.
5442 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5444 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5445 (tree_code_size): Ditto.
5446 * tree.h (struct tree_memory_tag): Remove parent_var.
5447 (struct tree_struct_field_tag): New.
5450 (union tree_node): Add sft member.
5451 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5453 (create_sft): Add size and offset argument, set SFT_OFFSET and
5455 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5456 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5457 * tree-flow-inline.h (get_subvar_at): Update for
5458 SFT_OFFSET/SFT_SIZE.
5459 (var_can_have_subvars): Ditto.
5460 (overlap_subvar): Ditto.
5461 * print-tree.c (print_node): Print out interesting things for
5463 * tree-flow.h (struct subvar): Remove offset and size members.
5464 * tree-ssa-operands.c (get_expr_operands): Update for
5465 get_indirect_ref_operands changes.
5466 (get_indirect_ref_operands): Call add_virtual_operand instead of
5467 add_stmt_operand. Only recurse on base var if requested.
5468 (access_can_touch_variable): New function.
5469 (add_stmt_operand): Split virtual operand handling into ...
5470 (add_virtual_operand): Here. Add offset, size, and for_clobber
5471 arguments. Prune alias sets.
5472 (add_call_clobber_ops): Call add_virtual_operand.
5474 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5477 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5479 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5480 than TREE_CODE as index into omp_clause_num_ops array.
5482 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5484 PR rtl-optimization/26184
5485 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5487 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5488 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5489 must_precede, must_follow and tobe_scheduled.
5492 * opts.c (common_handle_option): Free new_option pointer.
5493 * df-core.c (df_analyze): Free postorder pointer.
5495 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5497 * Makefile.in: Fix the examples about the use of stamps
5499 2006-02-15 Michael Matz <matz@suse.de>
5503 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5504 influenced by maximum_field_alignment or DECL_PACKED.
5505 (update_alignment_for_field): Ditto.
5506 (place_field): Ditto.
5507 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5510 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5512 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5513 (debug_flow_info): Pass it.
5514 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5515 * bb-reorder.c (reorder_basic_blocks): Likewise.
5516 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5517 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5518 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5519 * gcse.c (gcse_main, bypass_jumps): Likewise.
5520 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5521 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5522 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5523 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5524 * rtl.h (dump_flow_info): Adjust prototype.
5525 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5526 * var-tracking.c (variable_tracking_main): Likewise.
5527 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5528 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5531 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5533 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5536 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5538 PR tree-optimization/26209
5539 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5540 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5542 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5544 2006-02-14 Roger Sayle <roger@eyesopen.com>
5547 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5548 (X,Y) and the corresponding symmetry related transformations.
5549 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5550 (X,Y) and its symmetry related transformations.
5552 2006-02-14 Roger Sayle <roger@eyesopen.com>
5554 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5557 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5559 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5561 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5564 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5565 support COMDAT group.
5566 * configure: Regenerate.
5568 2006-02-14 Roger Sayle <roger@eyesopen.com>
5573 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5575 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5577 Fix PR tree-optimization/26260
5579 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5581 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5582 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5583 * tree-ssa-structalias.c (create_variable_info_for): Use
5584 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5586 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5588 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5590 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5591 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5592 of the ending condition.
5593 * tree-ssa-loop-manip.c: Include params.h.
5594 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5595 tree_unroll_loop): New functions.
5596 * tree-pass.h (pass_loop_prefetch): Declare.
5597 * loop.c (rest_of_handle_loop_optimize): Test for
5598 -fprefetch-loop-arrays-rtl.
5599 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5600 * timevar.def (TV_TREE_PREFETCH): New timevar.
5601 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5602 pass_loop_prefetch): New.
5603 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5604 (cleanup_tree_cfg_loop): Call scev_reset.
5605 * common.opt (fprefetch-loop-arrays-rtl): Add.
5606 * tree-ssa-loop-prefetch.c: New file.
5607 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5608 (new_temp_expr_table): Initialize expr_vars.
5609 (free_temp_expr_table): Cleanup expr_vars.
5610 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5611 expressions from being merged into one.
5612 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5613 (struct tree_niter_desc): Add control, bound and cmp fields.
5614 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5616 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5617 (tree-cfgcleanup.o): Add SCEV_H dependency.
5618 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5619 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5621 2006-02-14 Richard Guenther <rguenther@suse.de>
5623 PR tree-optimization/26258
5624 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5625 in PHI argument processing.
5627 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5629 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5630 new expression in the requested machine mode.
5632 2006-02-13 Roger Sayle <roger@eyesopen.com>
5634 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5635 directly, instead let do_compare_rtx_and_jump handle this for us.
5636 * expr.c (expand_expr_real_1): Likewise.
5637 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5638 before do_jump_by_parts_greater.
5639 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5640 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5642 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5644 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5646 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5648 PR rtl-optimization/26235
5649 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5650 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5653 2006-02-13 Jeff Law <law@redhat.com>
5655 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5658 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5661 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5662 twice if decl is a builtin. When trying again, call get_callee_fndecl
5663 first to verify it is still a builtin.
5665 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5667 * dwarf2out.c (base_type_die): Don't add AT_name here.
5668 (subrange_type_die): Don't add AT_name here.
5669 (modified_type_die): Rearrange code flow. Do add AT_name here.
5671 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5673 PR rtl-optimization/26247
5674 PR rtl-optimization/26248
5675 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5677 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5679 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5680 * config/fixtfdi.c: Likewise.
5681 * config/fixunstfdi.c: Likewise.
5682 * config/floatditf.c: Likewise.
5684 2006-02-13 Roger Sayle <roger@eyesopen.com>
5687 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5688 into (X,C2) if C1 is a subset of the bits of C2. Transform
5689 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5691 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5693 2006-02-13 Josh Conner <jconner@apple.com>
5696 * varasm.c (function_section): Check for section name before
5697 calling select_section on targets that define
5698 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5699 unlikely_text_section instead of hot_function_section if
5700 first_function_block_is_cold.
5702 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5705 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5707 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5709 PR rtl-optimization/26222
5710 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5711 after tree->rtl expansion.
5712 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5713 before passing it to emit_move_insn.
5715 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5717 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5719 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5720 Clarify documentation.
5721 * c-common.h (warn_write_strings): Remove.
5722 * c-common.c (warn_write_strings): Likewise.
5723 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5726 2006-02-12 Roger Sayle <roger@eyesopen.com>
5729 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5730 (do_jump_parts_zero_rtx): New function renamed from
5731 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5732 (do_jump_parts_equality_rtx): New function split out from
5733 do_jump_parts_equality. Old implementation renamed as above.
5734 Call do_jump_parts_zero_rtx if either operand is zero.
5735 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5736 do all of the heavy lifting.
5737 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5738 calling either do_jump_by_parts_greater_rtx or
5739 do_jump_by_parts_equality_rtx.
5740 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5741 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5742 moved to do_compare_rtx_and_jump, call it directly.
5743 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5744 mode argument. Call do_compare_rtx_and_jump.
5745 (emit_case_nodes): Update calls to do_jump_if_equal.
5747 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5749 PR rtl-optimization/26225
5750 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5752 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5754 PR rtl-optimization/26232
5755 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5757 2006-02-11 Jason Merrill <jason@redhat.com>
5760 * tree-inline.c (declare_return_variable): Just don't use the
5761 modify target if it's a gimple complex reg and the return slot
5764 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5766 * doc/contrib.texi: Update my entry.
5768 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5770 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5772 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5774 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5777 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5779 * doc/invoke.texi (-floop-optimize2): Removed.
5780 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5781 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5782 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5783 * common.opt (floop-optimize2): Removed.
5784 (fmove-loop-invariants): Enabled by default.
5786 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5788 * tree-if-conv.c (combine_blocks): Free the result of
5789 get_loop_exit_edges.
5791 2006-02-10 Jeff Law <law@redhat.com>
5793 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5795 PR tree-optimization/26213
5796 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5797 loop trying to follow SSA_NAME_VALUE chains.
5799 2006-02-10 Richard Guenther <rguenther@suse.de>
5801 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5802 deal with structures that end in implicitly variable sized arrays.
5804 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5806 PR rtl-optimization/24762
5807 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5810 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5812 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5813 (struct ivopts_data): Add regs_used field.
5814 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5815 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5816 instead of loop_data->regs_used;
5817 (free_loop_data): Do not free aux fields for loops.
5818 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5819 and tree_ssa_iv_optimize_finalize.
5821 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5823 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5825 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5828 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5829 computing the effective result type.
5831 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5834 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5835 (tree_overlaps_hard_reg_set): Declare.
5836 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5837 type and signature to match function type expected by walk_tree.
5838 (tree_overlaps_hard_reg_set): New function.
5839 (decl_conflicts_with_clobbers_p): Rename to:
5840 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5841 Use tree_overlaps_hard_reg_set. Changed caller.
5842 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5843 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5844 * cris.c (cris_md_asm_clobbers): Likewise.
5846 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5848 * reload1.c (emit_input_reload_insns): Delete code that tries to
5849 inherit using find_equiv_reg.
5851 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5853 * c-common.h (flag_const_strings): Don't declare.
5854 * c-common.c (flag_const_strings): Remove.
5855 * c.opt (fconst_strings): Remove.
5856 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5857 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5858 (c_common_init_options): Don't set flag_const_strings.
5859 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5861 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5863 * arm.md (tlobits_cbranch): New pattern.
5864 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5865 testing a single bit.
5867 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5870 * tree-ssa-pre.c (create_component_ref_by_pieces):
5871 Handle RETURN_DECL like VAR_DECL.
5873 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5876 * fold-const.c (fold_indirect_ref_1): Fold
5877 "*(foo *)&complexfoo" to "__real__ complexfoo"
5878 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5880 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5882 * tree-flow-inline.h (var_can_have_subvars):
5883 Volatile variables should not have subvariables.
5885 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5888 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5889 multiplying unsigned values.
5892 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5894 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5896 2006-02-08 Jason Merrill <jason@redhat.com>
5899 * tree.def: Elaborate on difference from MODIFY_EXPR.
5900 * doc/c-tree.texi (INIT_EXPR): Likewise.
5901 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5902 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5903 (gimplify_target_expr): Likewise.
5904 (gimplify_cond_expr): Remove target handling.
5905 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5906 (gimplify_expr): Clobber it here.
5907 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5908 Do return slot optimization if we have an INIT_EXPR.
5911 * tree-inline.c (declare_return_variable): Also clear
5912 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5915 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5918 * gimplify.c (gimplify_one_sizepos): Fix typo.
5920 2006-02-08 Jeff Law <law@redhat.com>
5922 PR tree-optimization/21417
5923 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5924 across a backedge if the control statement at the end of the
5925 block is data dependent on other statements in the same block.
5926 (record_temporary_equivalences_from_stmts): Remove over-conservative
5927 test for threading across backedges.
5929 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5930 control statement, handle all three special cases in the same
5931 manner as they all have the same desired solution. No longer
5932 special case edge flag updating when the post dominator is
5935 2006-02-08 Roger Sayle <roger@eyesopen.com>
5937 * tree.def (CHAR_TYPE): Remove.
5938 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5939 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5940 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5941 (gen_string_type_die): Delete unreachable function.
5943 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5944 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5945 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5946 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5947 * builtins.c (type_to_class): Likewise.
5948 * fold-const.c (fold_convert, build_range_check,
5949 merge_ranges): Likewise.
5950 * expr.c (count_type_elements): Likewise.
5951 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5952 * stor-layout.c (layout_type): Likewise.
5953 * ipa-type-escape.c (type_to_consider): Likewise.
5954 * gimplify.c (omp_firstprivatize_type_sizes,
5955 gimplify_type_sizes): Likewise.
5956 * explow.c (promote_mode): Likewise.
5957 * tree-sra.c (is_sra_scalar_type): Likewise.
5958 * varasm.c (output_constant): Likewise.
5959 * tree-inline.c (remap_type_1): Likewise.
5960 * convert.c (convert_to_pointer, convert_to_real,
5961 convert_to_integer, convert_to_complex): Likewise.
5963 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5965 * df-scan.c (df_def_record_1): A set destination may
5966 be a parallel regardless of mode.
5968 2006-02-08 Roger Sayle <roger@eyesopen.com>
5971 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5972 * config/mips/_tilib.c: Remove.
5973 * config/fixtfdi.c: New libgcc source file.
5974 * config/fixunstfdi.c: New source file.
5975 * config/floatditf.c: New source file.
5976 * config/floatunditf.c: New souce file.
5977 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5978 files above instead of config/mips/_tilib.c.
5979 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5981 2006-02-08 Jeff Law <law@redhat.com>
5983 PR tree-optimization/26169
5984 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5987 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5989 * df.h (DF_REG_SIZE): Return the length of the initialized
5992 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5994 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5995 __muldf3): Return a correctly signed zero.
5997 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5999 * passes.c (register_one_dump_file): Accept the current properties
6000 instead of pass number. Adjust call to dump_register. Remove
6002 (register_dump_files): Now a wrapper around...
6003 (register_dump_files_1): ... this one. Do not modify the pass
6005 (next_pass_1): Cosmetic fix.
6006 (execute_todo): Keep second parameter only. Use curr_properties
6007 instead of fetching it from the pass structure. Check and set
6009 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6010 instead of fetching it from the pass structure. Fix calls to
6011 execute_todo. Update curr_properties and initialize .vcg RTL dump
6012 after running the pass. Reset last_verified.
6013 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6015 (FIRST_AUTO_NUMBERED_DUMP): New.
6016 (dump_register): Remove "num" parameter, assign it within the
6018 (get_dump_file_name): Modify template for dumps.
6019 * tree-dump.h (dump_register): Adjust prototype.
6020 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6021 (PROP_trees): Add PROP_gimple_lomp.
6022 (TODO_set_props): New.
6023 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6024 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6025 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6027 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6029 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6030 (sparc64-*-linux*): Likewise.
6031 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6032 * config/sparc/t-linux: New file.
6033 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6034 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6035 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6036 -m32 -mlong-double-128.
6038 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6039 * config/alpha/t-linux: New file.
6040 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6042 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6043 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6044 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6045 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6046 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6047 (CPP_ARCH32_SPEC): Remove.
6049 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6051 PR tree-optimization/26145
6052 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6055 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6058 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6059 >= 240000 when generating code for SOM runtime.
6060 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6061 to $$dyncall when generating code for SOM runtime..
6063 2006-02-07 Dirk Mueller <dmueller@suse.com>
6066 * doc/invoke.texi (-Wsequence-point): Update documentation
6067 that -Wsequence-point is implemented for C++ as well.
6069 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6071 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6072 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6073 (LIB_SPEC): Likewise.
6074 * doc/invoke.texi (SPARC options): Document -pthread.
6076 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6078 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6081 2006-02-07 Roger Sayle <roger@eyesopen.com>
6083 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6084 Correct comment describing BOOLEAN_TYPE.
6086 2006-02-07 Dirk Mueller <dmueller@suse.com>
6088 * c.opt: C++ frontend supports -Wdiv-by-zero.
6089 * c-opts.c (c_common_handle_option): Remove dead case.
6091 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6093 * configure.ac (TLS assembler check): Do not enable TLS by
6094 default on SPARC/Solaris before version 10.
6095 * configure: Regenerate.
6097 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6099 * doc/invoke.texi (xl-compat): Document conversion and support
6102 2006-02-07 Jeff Law <law@redhat.com>
6104 * tree-vrp.c (find_conditional_asserts): Update comments.
6105 (simplify_stmt_for_jump_threading): New.
6106 (identify_jump_threads, finalize_jump_threads): New.
6107 (vrp_finalize): Call identify_jump_threads.
6108 (execute_vrp): Call finalize_jump_threads.
6109 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6110 (vrp_element, vrp_data, vrp_element_p): Remove.
6111 (vrp_hash_elt, vrp_variables_stack): Remove.
6112 (vrp_hash, vrp_eq, record_range): Remove.
6113 (simplify_cond_and_lookup_avail_expr): Remove.
6114 (extract_range_from_cond): Remove.
6115 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6116 (simplify_stmt_for_jump_threading): New.
6117 (dom_thread_across_edge): New wrapper.
6118 (tree_ssa_dominator_optimize): No longer initialize or
6119 finalize any of the VRP datastructures. Remove iteration
6120 step and simplify as a result of removal of iteration step.
6121 (pass_dominator): Perform a cfg cleanup after DOM.
6122 (dom_opt_finalize_block): Use the new common routines
6123 for threading jumps. Simplify stack management slightly.
6124 No longer need to unwind VRP state.
6125 (record_equivalences_from_incoming_edge): No longer record
6127 (eliminate_redundant_computations): No longer call
6128 simplify_cond_and_lookup_avail_expr.
6129 * tree-flow.h (potentially_threadable_block): Prototype.
6130 (thread_across_edge): Likewise.
6131 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6132 (tree-ssa-threadedge.o): Add dependencies.
6133 * tree-ssa-threadedge.c: New file.
6134 * passes.c (init_optimization_passes): Merge PHIs before
6135 calling VRP. Run VRP again late in the SSA optimization pipeline.
6137 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6139 * df-core.c (df_set_blocks): Do not dereference function pointers.
6140 (df_finish1): Likewise.
6141 (df_hybrid_search_forward): Likewise.
6142 (df_hybrid_search_backward): Likewise.
6143 (df_iterative_dataflow): Likewise.
6144 (df_analyze_problem): Likewise.
6145 (df_compact_blocks): Likewise.
6146 (df_dump): Likewise.
6147 * df-scan.c (df_rescan_blocks): Likewise.
6148 (df_record_entry_block_defs): Likewise.
6150 * genconditions.c (write_conditions): Guard the definition of
6151 'insn_conditions' with the check on GCC version.
6152 (write_writer): Guard the traversal 'insn_conditions' with
6153 the check on GCC version.
6155 2006-02-07 Richard Guenther <rguenther@suse.de>
6159 2006-01-30 Richard Guenther <rguenther@suse.de>
6161 * gimplify.c (gimplify_target_expr): Handle easy cases
6162 without creating a temporary.
6164 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6166 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6167 use of float in probability computations. Use edge probabilities
6168 in place of statically computed probabilities.
6169 (min_spec_prob): New static variable.
6170 (schedule_insns): Initialize it.
6171 (GET_SRC_PROB): Removed.
6172 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6174 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6177 * config/ia64/unwind-ia64.c: Revert last change.
6178 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6179 (INCOMING_FRAME_SP_OFFSET): Define.
6181 2006-02-06 Roger Sayle <roger@eyesopen.com>
6183 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6185 2006-02-07 Ben Elliston <bje@au.ibm.com>
6187 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6188 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6189 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6190 (ix86_return_in_memory): Handle TDmode.
6191 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6192 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6194 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6196 * reorg.c (dbr_schedule): Use dump_file instead of file.
6198 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6201 * config/ia64/predicates.md (extr_len_operand): New predicate.
6202 * config/ia64/ia64.md (extv): Tighten constraints.
6204 (*tbit_and_2): Ditto.
6205 (*tbit_and_3): Ditto.
6206 (*tbit_or_2): Ditto.
6207 (*tbit_or_3): Ditto.
6211 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6214 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6216 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6218 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6219 loop_optimizer_init and loop_optimizer_finalize
6220 * tree-ssa-sink.c (execute_sink_code): Ditto.
6221 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6222 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6223 tree_ssa_loop_done): Ditto.
6224 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6225 * sched-ebb.c: Include output.h.
6226 (schedule_ebbs): Do not use dump argument.
6227 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6228 * loop.c (loop_dump_stream): Removed.
6229 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6231 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6232 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6233 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6234 loop_iterations, strength_reduce, record_biv, record_giv,
6235 final_giv_value, check_final_value, check_ext_dependent_givs,
6236 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6237 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6238 dump_file instead of loop_dump_stream.
6239 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6241 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6243 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6244 * haifa-sched.c: Include output.h
6245 (schedule_insns, sched_init): Do not use dump argument.
6246 * mode-switching.c (optimize_mode_switching): Ditto.
6247 * modulo-sched.c (stats_file): Removed.
6248 (print_node_sched_params): Do not call argument dump_file.
6249 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6250 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6252 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6254 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6255 rtl_loop_init, rtl_loop_done): Ditto.
6256 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6257 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6259 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6260 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6261 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6262 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6263 * emit-rtl.c (renumber_insns): Ditto.
6264 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6265 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6266 * regclass.c (regclass): Ditto.
6267 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6268 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6269 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6270 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6272 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6273 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6275 * gcse.c (gcse_file, debug_stderr): Removed.
6276 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6277 rest_of_handle_gcse): Do not use dump argument.
6278 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6279 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6280 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6281 compute_code_hoist_vbeinout, compute_code_hoist_data,
6282 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6283 compute_store_table, build_store_vectors, insert_insn_start_bb,
6284 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6285 store_motion): Use dump_file instead of gcse_file.
6286 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6287 * profile.c (profile_dump_file): Removed.
6288 (branch_prob): Use dump_file instead of profile_dump_file.
6289 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6291 * tree-ssa-copy.c (dump_copy_of): Ditto.
6292 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6293 dump file to life_analysis.
6294 * bt-load.c (branch_target_load_optimize): Ditto.
6295 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6297 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6298 regclass, dbr_schedule): Declaration changed.
6299 * sched-int.h (sched_init): Declaration changed.
6300 * tree-profile.c (tree_profile_dump_file): Removed.
6301 (tree_profile_hooks): Removed profile_dump_file hook.
6302 * rtl-profile (rtl_profile_dump_file): Removed.
6303 (rtl_profile_hooks): emoved profile_dump_file hook.
6304 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6306 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6307 * tree-cfg.c (build_tree_cfg): Ditto.
6308 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6309 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6310 Declaration changed.
6311 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6312 life_analysis and schedule_insns.
6313 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6315 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6317 * config/mips/mips.c (mips_reorg): Ditto.
6318 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6321 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6323 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6324 (s390_mangle_fundamental_type): New.
6325 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6328 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6329 (alpha_mangle_fundamental_type): New.
6330 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6333 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6335 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6337 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6338 (sparc_mangle_fundamental_type): New.
6340 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6342 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6343 (s390x-*-linux*): Likewise.
6344 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6345 * config/s390/t-linux: New file.
6347 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6349 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6350 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6352 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6354 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6355 (ANTIC_SAFE_LOADS): New macro.
6356 (find_or_generate_expression): Add prototype.
6357 (set_contains_value): Allow null set for sake of not always having
6358 to allocate ANTIC_SAFE_LOADS.
6359 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6360 Allow COMPONENT_REF too.
6361 (valid_in_set): Allow COMPONENT_REF.
6362 Check ANTIC_SAFE_LOADS too.
6363 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6364 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6366 (can_PRE_operation): Add COMPONENT_REF.
6367 (create_component_ref_by_pieces): New function.
6368 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6369 (insert_aux): Move AGGREGATE_TYPE_P check here.
6370 (compute_avail): Set bb local stmt uids.
6371 (pass_pre): Use TODO_update_ssa_only_virtuals.
6373 2006-02-06 Ben Elliston <bje@au.ibm.com>
6375 * configure.ac: Unconditionally disable decimal float by default.
6376 * configure: Regenerate.
6378 2006-02-06 Ben Elliston <bje@au.ibm.com>
6380 * read-rtl.c (read_name): Terminate reading on EOF.
6382 2006-02-06 Ben Elliston <bje@au.ibm.com>
6384 * dfp.c (decimal_real_arithmetic): Change second argument type
6385 from int to enum tree_code. Do not always return true, but now
6386 return result of any call to decimal_do helper functions.
6387 * dfp.h (decimal_real_arithmetic): Update prototype.
6389 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6391 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6393 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6396 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6399 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6401 * tree-vrp.c (cfg_loops): Removed.
6402 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6403 Use current_loops instead of cfg_loops. Pass flags to
6404 loop_optimizer_init.
6405 * cfgloopmanip.c (fix_loop_structure): Update only available
6407 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6408 loop_optimizer_init.
6409 * modulo-sched.c (build_loops_structure): Removed.
6410 (sms_schedule): Use loop_optimizer_init.
6411 * loop-init.c (loop_optimizer_init): Use flags to determine
6412 which properties of loops to prepare.
6413 (rtl_loop_init): Pass flags to loop_optimizer_init.
6414 * tree-ssa-sink.c (execute_sink_code): Ditto.
6415 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6416 * tree-ssa-pre.c (init_pre): Ditto.
6417 * cfgloop.h (LOOPS_NORMAL): New.
6418 (loop_optimizer_init): Declaration changed.
6420 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6422 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6423 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6425 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6427 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6429 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6430 * pa/t-pa64: Delete quadlib.c rule.
6431 * pa/x-ada: Revert last change.
6432 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6434 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6436 PR rtl-optimization/26087
6437 * rtlanal.c (canonicalize_condition): Do not cross basic block
6440 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6443 * config/ia64/ia64.c: Include debug.h.
6444 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6445 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6446 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6447 (process_epilogue, process_set, process_for_unwind_directive):
6448 Output unwind info only if requested. Add CFA info if requested.
6449 Add new arguments as needed. Adjust callers.
6450 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6452 (DWARF2_FRAME_INFO): Define to zero.
6453 * config/ia64/unwind-ia64.c: Remove code that compensated for
6454 the CFA offset error fixed above.
6455 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6456 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6457 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6458 -funwind-tables and -fexceptions to enable frame info.
6459 (dwarf2out_frame_init): Define initial CFA even if
6460 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6461 DWARF2_UNWIND_INFO is nonzero, not just defined.
6462 (dwarf2out_frame_finish): Output non-EH call frame info only
6463 if DWARF2_FRAME_INFO is nonzero.
6464 (convert_cfa_to_loc_list,
6465 compute_frame_pointer_to_cfa_displacement): Define even if
6466 unwind info is not supported.
6467 (gen_subprogram_die): Use the above unconditionally. Remove
6468 legacy alternate code.
6469 * toplev.c (compile_file): Compile in call to
6470 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6471 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6473 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6474 Jakub Jelinek <jakub@redhat.com>
6476 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6477 IBM extended float format long double as "g" on powerpc*-linux.
6479 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6482 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6483 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6485 2006-02-03 Jason Merrill <jason@redhat.com>
6488 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6491 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6492 on the return slot if it's an NRV.
6494 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6496 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6497 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6498 rewrite_use): Do not handle USE_OUTER.
6499 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6500 add_iv_outer_candidates, may_replace_final_value,
6501 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6502 (find_interesting_uses_op): Functionality of
6503 find_interesting_uses_outer_or_nonlin moved here.
6504 (find_interesting_uses_outside): Use find_interesting_uses_op.
6506 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6509 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6511 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6512 Ulrich Weigand <uweigand@de.ibm.com>
6515 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6516 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6517 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6518 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6520 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6521 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6522 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6523 Define secondary reloads for TFmode moves.
6524 (constant_modes): Add TFmode.
6525 (NR_C_MODES): Set to 8.
6526 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6528 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6529 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6530 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6531 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6532 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6533 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6534 (FPR mode macro): Add TFmode.
6535 (DSF mode macro): New.
6536 (<de>, <dee> mode attributes): Removed.
6537 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6538 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6539 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6540 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6541 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6542 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6543 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6544 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6545 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6546 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6547 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6548 "*negabs<mode>2", "sqrt<mode>2"):
6549 Changed <de> to <xde>. R constraint replaced by <Rf>.
6550 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6552 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6553 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6554 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6556 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6557 "extenddftf2", "extendsftf2"): New expanders.
6558 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6559 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6560 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6561 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6563 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6564 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6565 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6566 __floatditf): Add a GCC_4.1.0 symbol version tag.
6567 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6570 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6573 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6574 Use targetm.binds_local_p instead of TREE_PUBLIC.
6576 2006-02-02 Roger Sayle <roger@eyesopen.com>
6578 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6579 on INTEGER_TYPEs to indicate that it denotes a character type.
6580 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6581 signed_char_type_node, unsigned_char_type_node and char_type_node.
6582 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6583 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6584 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6586 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6587 Daniel Berlin <dberlin@dberlin.org>
6589 * tree-tailcall.c (arg_needs_copy_p): New function.
6590 (eliminate_tail_call): Use arg_needs_copy_p.
6591 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6592 (add_virtual_phis): New function.
6594 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6596 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6597 #ignore instead of #scratch for %g7 .register directive.
6599 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6601 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6604 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6606 * flow.c (calculate_global_regs_live): Assert that there aren't any
6609 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6611 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6613 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6614 bsi_after_labels iterator.
6615 * tree-if-conv.c (find_phi_replacement_condition,
6616 replace_phi_with_cond_modify_expr): Likewise.
6617 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6618 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6620 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6622 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6624 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6627 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6628 array after growing it.
6630 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6633 * fold-const.c (fold_checksum_tree): Change type of buf.
6635 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6637 * reload.c (push_secondary_reload): Initialize t_icode.
6639 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6641 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6642 -msoft-float -mlong-double-128 only issue a warning, but don't
6643 swich to DFmode long double.
6645 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6647 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6648 has a constant equivalent, iterate over equivalents for arg0,
6649 calling simplify_relational_operation and if there's a result
6650 cheaper than X, apply fold_rtx and return the result.
6652 2006-02-01 Jan Hubicka <jh@suse.cz>
6654 * opts.c (no_unit_at_a_time_default): New global variable.
6655 (decode_options): Use it.
6656 * opts.h (no_unit_at_a_time_default): Declare.
6658 2006-02-01 Paul Brook <paul@codesourcery.com>
6660 * function.c (assign_parm_setup_reg): Use function argument promotion
6662 * expr.c (expand_expr_real_1): Use function argument promotion rules
6665 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6667 * gcc.c (process_command): Change j to 'unsigned int'.
6669 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6672 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6673 Use the corrected index for the character
6674 out of the string constant.
6676 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6678 * mode-switching.c (optimize_mode_switching): Fix size
6679 allocated for bb_info[n_entities].
6681 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6683 * gcc.c (main): Correct type that is allocated for
6684 explicit_link_files.
6686 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6688 * config/s390/s390.c (init_alignment_context): Set
6689 ALIAS_SET_MEMORY_BARRIER on the MEM.
6690 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6692 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6695 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6697 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6700 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6702 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6703 * regrename.c: Ditto.
6704 * tree-ssa-loop-im.c: Ditto.
6705 * tree-dump.c: Ditto.
6706 * tree-complex.c: Ditto.
6707 * genrecog.c: Ditto.
6708 * tree-ssa-threadupdate.c: Ditto.
6710 * java/class.c: Ditto.
6711 * java/jcf-parse.c: Ditto.
6712 * java/resource.c: Ditto.
6713 * java/except.c: Ditto.
6714 * java/jvspec.c: Ditto.
6715 * java/jcf-write.c: Ditto.
6716 * java/jcf-path.c: Ditto.
6717 * java/gjavah.c: Ditto.
6718 * java/zextract.c: Ditto.
6719 * java/jcf-io.c: Ditto.
6720 * java/jcf.h: Ditto.
6721 * java/buffer.c: Ditto.
6722 * java/lang.c: Ditto.
6723 * java/parse-scan.y: Ditto.
6724 * java/lex.c: Ditto.
6725 * java/lex.h: Ditto.
6726 * cfgloopmanip.c: Ditto.
6727 * postreload-gcse.c: Ditto.
6728 * tree-ssa-loop-manip.c: Ditto.
6729 * postreload.c: Ditto.
6730 * tree-ssa-loop-ch.c: Ditto.
6734 * diagnostic.c: Ditto.
6736 * genoutput.c: Ditto.
6738 * cfghooks.c: Ditto.
6739 * cfgloopanal.c: Ditto.
6740 * objc/objc-act.c: Ditto.
6742 * genextract.c: Ditto.
6743 * genautomata.c: Ditto.
6744 * pretty-print.c: Ditto.
6746 * cgraphunit.c: Ditto.
6749 * haifa-sched.c: Ditto.
6750 * dominance.c: Ditto.
6752 * tree-ssa-loop-ivopts.c: Ditto.
6754 * mode-switching.c: Ditto.
6755 * modulo-sched.c: Ditto.
6757 * ipa-pure-const.c: Ditto.
6759 * fix-header.c: Ditto.
6761 * tree-stdarg.c: Ditto.
6762 * ipa-utils.c: Ditto.
6763 * loop-init.c: Ditto.
6764 * ipa-inline.c: Ditto.
6767 * alloc-pool.c: Ditto.
6768 * dwarf2out.c: Ditto.
6770 * genattrtab.c: Ditto.
6771 * tree-ssa-loop-ivcanon.c: Ditto.
6775 * fortran/gfortranspec.c: Ditto.
6777 * local-alloc.c: Ditto.
6778 * langhooks.c: Ditto.
6779 * function.c: Ditto.
6780 * tree-vectorizer.c: Ditto.
6782 * ipa-type-escape.c: Ditto.
6784 * tree-if-conv.c: Ditto.
6787 * tree-data-ref.c: Ditto.
6788 * loop-unroll.c: Ditto.
6789 * treelang/treetree.c: Ditto.
6792 * ggc-common.c: Ditto.
6794 * coverage.c: Ditto.
6796 * tree-cfgcleanup.c: Ditto.
6797 * tree-ssa-pre.c: Ditto.
6798 * cfgcleanup.c: Ditto.
6799 * loop-invariant.c: Ditto.
6801 * ipa-prop.c: Ditto.
6802 * print-tree.c: Ditto.
6803 * conflict.c: Ditto.
6804 * ggc-page.c: Ditto.
6805 * sched-deps.c: Ditto.
6806 * regclass.c: Ditto.
6807 * tree-object-size.c: Ditto.
6809 * bb-reorder.c: Ditto.
6810 * resource.c: Ditto.
6811 * var-tracking.c: Ditto.
6813 * df-problems.c: Ditto.
6814 * reg-stack.c: Ditto.
6817 * sched-rgn.c: Ditto.
6818 * tree-ssa-structalias.c: Ditto.
6819 * tree-ssa-reassoc.c: Ditto.
6820 * config/darwin-c.c: Ditto.
6821 * config/darwin.c: Ditto.
6822 * config/arm/arm.c: Ditto.
6824 * collect2.c: Ditto.
6827 2006-01-31 Nicolas Pitre <nico@cam.org>
6829 * arm.md (smaxsi3): Make aware of smax_m1.
6832 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6834 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6836 2006-01-31 Richard Guenther <rguenther@suse.de>
6838 * doc/invoke.texi (-msselibm): Document.
6839 * target.h (expand_library_builtin): New target hook.
6840 * builtins.c (expand_builtin): Use expand_library_builtin.
6841 (default_expand_library_builtin): New function.
6842 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6843 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6844 (link_gcc_math_spec): Declare.
6845 (static_specs): Add link_gcc_math_spec.
6846 * expr.h (default_expand_library_builtin): Declare.
6847 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6848 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6849 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6850 * config/i386/i386.opt (msselibm): New target option.
6851 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6852 (ix86_init_sse_abi_builtins): New function.
6853 (ix86_expand_library_builtin): Likewise.
6854 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6855 (override_options): Handle error conditions wrt -msselibm.
6856 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6857 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6858 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6861 2006-01-31 Richard Guenther <rguenther@suse.de>
6862 Paolo Bonzini <bonzini@gnu.org>
6864 * doc/install.texi (--disable-libgcc-math): Document.
6866 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6868 * expr.h (expand_normal): new inline function.
6869 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6871 * dwarf2out.c: use it.
6876 * config/sparc/sparc.c: use it.
6877 * config/i386/i386.c: use it.
6878 * config/rs6000/rs6000.c: use it.
6879 * config/arm/arm.c: use it.
6880 * config/mips/mips.c: use it.
6881 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6883 2006-01-30 Roger Sayle <roger@eyesopen.com>
6885 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6886 argv to the appropriate type.
6888 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6890 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6893 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6896 * config/s390/s390.c (struct machine_function): New flag
6897 decomposed_literal_pool_addresses_ok_p.
6898 (s390_reorg): Set it before final stage of literal pool transforms.
6899 (s390_decompose_address): Only accept displacements of the form
6900 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6902 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6904 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6905 the comparison routine return.
6907 2006-01-30 Michael Matz <matz@suse.de>
6909 * global.c (find_reg): Only evict for global regs.
6910 Take n_refs into account and dump more info.
6912 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6915 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6916 (pragma_trap, pragma_nosave_low_regs): Likewise.
6917 (current_function_anonymous_args): Likewise.
6918 (sh_deferred_function_attributes): New variable.
6919 (sh_deferred_function_attributes_tail): Likewise.
6920 (print_operand): For '@', look up trap_exit attribute.
6921 (calc_live_regs): Look up trapa_handler attribute. For trapa
6922 handlers, save/restore fpscr, but don't do any other
6923 interrupt-specific saves.
6924 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6925 Fix check for partially saved registers to check for SHmedia.
6926 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6927 (sh_output_function_epilogue): Don't clear any of the removed
6929 (sh_insert_attributes): Don't check pragma_interrupt.
6930 Insert deferred attributes. Check that interrupt attribute is
6931 present for other attributes that require its presence.
6932 (sh_attribute_table): Add new attributes trapa_handler and
6934 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6935 Don't check for pragma_interrupt. Don't store argument.
6936 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6937 (sh_deferred_function_attributes): Declare.
6938 (sh_deferred_function_attributes_tail): Likewise.
6939 * sh.md (sp_switch_1): Add operand. Change generator caller.
6940 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6941 (*return_i): Don't use when trap_exit attribute is in effect.
6942 (*return_trapa): New insn pattern.
6944 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6945 setting c_target_objs and cxx_target_objs.
6946 * t-sh: Add rule for sh-c.o.
6948 2006-01-30 Richard Guenther <rguenther@suse.de>
6951 * gimplify.c (gimplify_target_expr): Handle easy cases
6952 without creating a temporary.
6954 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6956 * vec.h (safe_grow): Remove duplicated line.
6958 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6961 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6962 (expand_omp): ... here.
6963 (expand_omp_parallel): Only remove barriers for combined
6964 parallel+workshare constructs.
6966 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6970 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6971 * tree.c (build_qualified_type): Chain the new type to the original
6972 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6973 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6974 (build_pointer_type_for_mode): Only return unqualified types.
6975 (build_reference_type_for_mode): Likewise.
6977 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6979 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6980 * Makefile.in (CXX_COMPAT_WARN): Define.
6981 * configure: Regenerate.
6983 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6986 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6989 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6991 * toplev.c: Fix thinko.
6993 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6994 Marcin Dalecki <martin@dalecki.de>
6996 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6997 (push_srcloc): Use XNEW.
6998 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7000 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7002 * df-core.c (df_set_blocks): Deleted all variable.
7004 2006-01-28 Ian Lance Taylor <ian@airs.com>
7006 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7007 cgraph_output_pending_asms.
7009 2006-01-28 Zack Weinberg <zackw@panix.com>
7011 * c.opt: Add -W(no-)overlength-strings.
7012 * doc/invoke.texi: Document it.
7013 * c-opts.c (c_common_handle_option): -pedantic implies
7014 -Woverlength-strings, if not explicitly disabled already.
7015 (c_common_post_options): -Woverlength-strings defaults to off, and
7016 is always off for C++.
7017 * c-common.c (fix_string_type): Issue warning about strings longer
7018 than is portable only if warn_overlength_strings. Rearrange code
7019 a little for clarity.
7020 * configure.in: Check for -Wno-overlength-strings as well before
7021 enabling -pedantic in stage 1.
7022 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7023 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7025 * genconditions.c (write_header, write_one_condition)
7026 (write_conditions, write_writer): Consolidate very long strings
7027 that were broken up to fit in C89 portable limit. Don't use
7028 printf when fputs will do.
7030 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7032 * combine.c (simplify_comparison <AND>): Check
7033 TRULY_NOOP_TRUNCATION before start using a subreg.
7035 * config/mips/mips.md (*branch_zero<mode>,
7036 *branch_zero<mode>_inverted, *branch_equality<mode>,
7037 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7038 Remove mode check from comparisons.
7040 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7042 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7044 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7046 * expmed.c (const_mult_add_overflow_p): Remove.
7047 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7049 * recog.c (validate_replace_rtx_subexp): Remove.
7050 * recog.h: Remove the prototype for
7051 validate_replace_rtx_subexp.
7053 * integrate.h: Remove the prototype for
7054 copy_decl_for_inlining.
7055 * rtl.h: Remove the prototype for mark_constant_function.
7056 * tree-vectorizer.h: Remove the prototype for
7057 vect_strip_conversion.
7059 * modulo-sched.c (create_partial_schedule,
7060 free_partial_schedule, reset_partial_schedule): Make them
7063 * hooks.c (hook_bool_rtx_int_false): Remove.
7064 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7066 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7068 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7069 and -mlong-double-128 are incompatible.
7070 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7071 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7072 (TARGET_LIBGCC2_CFLAGS): Define.
7073 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7074 (TARGET_LIBGCC2_CFLAGS): Same.
7075 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7077 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7080 * c-typeck.c (build_binary_op): Perform implicit casts of
7081 operands before shortening them.
7083 * cfgloopmanip.c (split_loop_bb): Remove.
7084 * cfgloop.h: Remove the prototype for split_loop_bb.
7086 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7087 * cfgloop.h: Remove the prototype for
7088 flow_loop_outside_edge_p.
7090 * emit-rtl.c (init_virtual_regs): Make it static.
7091 * function.h: Remove the prototype for init_virtual_regs.
7093 * recog.c (peephole2_optimize): Make it static.
7094 * recog.h: Remove the prototype for peephole2_optimize.
7096 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7098 * df-scan.c (df_record_entry_block_defs): Check if
7099 INCOMING_RETURN_ADDR_RTX is defined.
7101 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7102 Kenneth Zadeck <zadeck@naturalbridge.com>
7104 PR rtl-optimization/24762
7105 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7106 * targhooks.c (hook_void_bitmap): New hook prototype.
7107 * targhoohs.h (hook_void_bitmap): Ditto.
7108 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7109 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7110 * target.h (live_on_entry): New function pointer.
7111 * df-scan.c (df_all_hard_regs): Removed.
7112 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7113 (df_scan_free_internal): Added df->entry_block_defs.
7114 (df_scan_alloc): Ditto.
7115 (df_scan_dump): Ditto.
7116 (df_uses_record): Plumbed flag field properly thru calls.
7117 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7118 This part fixes PR24762.
7119 (df_bb_refs_record): Added code to make the frame and arg
7120 pointers live in EH blocks.
7121 (df_refs_record): Added call to df_record_entry_block_defs.
7122 (df_record_entry_block_defs): New function.
7123 * df-core.c: Added comments to describe new artifical defs.
7124 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7125 (entry_block_defs): New field in struct df.
7126 (df_all_hard_regs): Deleted.
7127 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7128 * df-problems.c (df_ru_bb_local_compute_process_def):
7129 Added code to handle artifical defs in the entry to a function.
7130 (df_ru_bb_local_compute): Ditto.
7131 (df_rd_bb_local_compute_process_def): Ditto.
7132 (df_rd_bb_local_compute): Ditto.
7133 (df_lr_bb_local_compute): Ditto.
7134 (df_ur_bb_local_compute): Ditto.
7135 (df_urec_bb_local_compute): Ditto.
7136 (df_chain_create_bb): Ditto.
7137 (df_ur_local_finalize): Removed entry.
7138 (df_urec_init): Ditto.
7139 (df_urec_local_finalize): Ditto.
7140 (df_ri_bb_compute): Added detection of last use of pseudos.
7141 * Makefile.in (df-scan.o): Updated dependencies.
7142 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7143 * config/mips/mips.c (mips_set_live_on_entry): Added.
7144 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7146 * dce.c (marked_insn_p): Added code to handle artifical defs.
7148 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7150 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7152 (_mm_cvtsi128_si64): Likewise.
7153 (_mm_cvtsd_si64): Likewise.
7154 (_mm_cvttsd_si64): Likewise.
7155 (_mm_cvtsi64_sd): Likewise.
7156 (_mm_cvtsi64_si128): Likewise.
7157 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7158 (_mm_cvtsi64_m64): Likewise.
7159 (_m_to_int64): Likewise.
7160 (_mm_cvtm64_si64): Likewise.
7161 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7162 (_mm_cvttss_si64): Likewise.
7163 (_mm_cvtsi64_ss): Likewise.
7164 (_mm_cvtss_f32): Likewise.
7166 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7168 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7169 for pragma redefine_extname.
7171 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7174 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7175 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7176 -mno-minimal-toc to previous content.
7177 (bispecs): Remove goal.
7178 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7179 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7180 compatibility aliases on powerpc-*-*gnu*.
7181 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7182 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7183 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7184 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7185 (ldblspecs): New goal.
7186 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7187 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7189 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7190 L_sf_to_tf or L_df_to_tf is defined.
7192 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7193 Alan Modra <amodra@bigpond.net.au>
7196 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7197 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7198 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7199 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7200 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7201 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7202 (rs6000_override_options): Initialize rs6000_ieeequad.
7203 Initialize TFmode format to ibm_extended_format if not
7205 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7207 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7208 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7209 (function_arg_advance): IBM long double passed in two FPRs, not
7211 (function_arg): IBM long double passed in FPRs.
7212 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7213 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7214 Only multireg GPR aligned.
7215 (rs6000_init_libfuncs): Enable IBM long double functions if not
7217 (rs6000_generate_compare): Use IBM long double compare if not
7219 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7220 (TARGET_IEEEQUAD): Define.
7221 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7222 not TARGET_IEEEQUAD.
7223 * config/rs6000/rs6000.md: Enable TFmode patterns if
7225 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7226 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7227 and -mlong-double-128 are incompatible.
7228 * doc/invoke.texi (-mabi): Collect options together. Add
7229 ibmlongdouble and ieeelongdouble.
7231 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7233 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7235 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7236 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7237 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7238 * rtl.h (rtunion_def): Remove rt_ptr.
7240 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7241 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7242 * config/i386/winnt.c (i386_pe_mark_dllexport)
7243 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7245 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7247 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7249 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7253 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7254 pthread_key_delete. From John David Anglin. gthrw-ify
7255 pthread_getunique_np only if it it's not a macro. Delete
7257 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7258 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7259 __gthread_objc_condition_signal, __gthread_key_delete): Add
7260 "__attribute__ ((__unused__))" to unused arguments.
7261 (__gthread_recursive_mutex_init_function): Add missing return.
7262 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7263 gthr-posix95.h: Use macro-based approach for name redirection
7264 on targets missing weakref.
7266 2006-01-26 Zack Weinberg <zackw@panix.com>
7268 * genconditions.c (write_header): In generated code, #ifdef out
7269 all includes and fake declarations, except includes of bconfig.h
7270 and system.h, unless GCC_VERSION >= 3001. Do not include
7271 gensupport.h in any case.
7272 (write_conditions): Generate a definition of struct c_test. Add
7273 a comment to the generated #endif.
7274 (write_one_condition): Escape backslashes in string too.
7275 (write_writer): Generated code must escape backslashes and quote
7276 marks (but not newlines) in the strings it writes.
7277 * Makefile.in (build/gencondmd.o): Update dependencies.
7279 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7282 * Makefile.in (insn-automata.o): Add header file dependencies.
7283 * genautomata.c: Add includes.
7285 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7288 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7290 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7292 * configure.ac: Expect target tools paths to be passed from the toplevel
7293 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7295 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7297 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7300 * c.opt (Wpointer-sign): Init to -1.
7301 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7302 OPT_pedantic, to 0 otherwise.
7303 * doc/invoke.texi: Update.
7305 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7307 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7308 constants provided by 80387 instructions in the destination mode.
7310 2006-01-26 Richard Guenther <rguenther@suse.de>
7311 Andrew Pinski <pinskia@physics.uc.edu>
7314 partial PR tree-opt/17064
7315 * tree-ssa-structalias.c (intra_create_variable_infos):
7316 Create heap variables for incoming parameters if
7317 flag_argument_noalias > 1.
7318 (find_what_p_points_to): Look through default defs of
7321 2006-01-26 Jeff Law <law@redhat.com>
7324 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7325 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7326 within the VR_RANGE, use the VR_RANGE as the result, not the
7328 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7329 bounds for the type.
7331 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7333 * tree-ssa-alias.c (maybe_create_global_var): Change
7334 subvar walking to an assertion that we don't have subvar'd variables.
7336 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7339 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7340 Use a new variable, inner. PARM_DECLs are always non-weak.
7342 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7344 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7347 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7349 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7351 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7353 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7354 (smax_insn, smin_insn, smax_0, smin_0): New.
7356 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7359 * config/cris/cris.c (cris_order_for_addsi3): New function.
7360 * config/cris/cris-protos.h: Prototype it.
7361 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7362 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7363 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7364 (split for "op.S1 [rx=rx+i],ry (swapped)")
7365 (split for "op(s|u).S1 [rx=rx+i],ry")
7366 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7367 Apply cris_order_for_addsi3 when generating addsi3 insns.
7369 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7371 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7372 (TREE_BLOCK): Add call to EXPR_CHECK.
7374 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7377 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7378 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7379 (dump_omp_clauses): ... here.
7380 (dump_generic_node): Handle OMP_CLAUSE.
7381 * tree.c (omp_clause_num_ops): New.
7382 (omp_clause_code_name): New.
7383 (tree_code_size): Handle OMP_CLAUSE.
7384 (tree_size): Likewise.
7385 (make_node): Document handling of OMP_CLAUSE.
7386 (tree_node_structure): Handle OMP_CLAUSE.
7387 (omp_clause_check_failed): New.
7388 (omp_clause_range_check_failed): New.
7389 (omp_clause_operand_check_failed): New.
7390 (build_omp_clause): New.
7391 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7392 * tree.h (enum omp_clause_code): Declare.
7393 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7394 (OMP_CLAUSE_RANGE_CHECK): Define.
7395 (OMP_CLAUSE_ELT_CHECK): Define.
7396 (omp_clause_check_failed): Declare.
7397 (omp_clause_operand_check_failed): Declare.
7398 (omp_clause_range_check_failed): Declare.
7399 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7400 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7401 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7402 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7403 (OMP_CLAUSE_IF_EXPR): Likewise.
7404 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7405 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7406 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7407 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7408 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7409 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7410 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7411 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7412 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7413 (OMP_CLAUSE_CODE): Define.
7414 (OMP_CLAUSE_SET_CODE): Define.
7415 (OMP_CLAUSE_CODE): Define.
7416 (OMP_CLAUSE_OPERAND): Define.
7417 (struct tree_omp_clause): Declare.
7418 (union tree_node): Add field 'omp_clause'.
7419 * treestruct.def (TS_OMP_CLAUSE): Define.
7420 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7421 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7422 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7423 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7424 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7425 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7426 (OMP_CLAUSE): Define.
7427 * print-tree.c (print_node): Handle OMP_CLAUSE.
7428 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7429 * c-typeck.c: Likewise.
7430 * gimplify.c: Likewise.
7431 * c-omp.c: Likewise.
7432 * tree-nested.c: Likewise.
7433 * tree-inline.c: Likewise.
7434 * c-parser.c: Likewise.
7435 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7438 2006-01-25 Roger Sayle <roger@eyesopen.com>
7440 PR rtl-optimization/25703
7441 * combine.c (try_combine): Handle zero_extract and strict_low_part
7442 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7444 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7446 * global.c: Fix comment typos.
7448 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7451 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7452 Use output_addr_const instead of assemble_name.
7454 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7456 * Makefile.in (sched-vis.o): Update dependencies.
7457 * haifa-sched.c (sched_finish): Clear current_sched_info.
7458 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7459 (dump_flow_info): Call it.
7460 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7462 * basic-block.h (dump_bb_info): Declare.
7463 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7464 option, and apply options only for dump files whose TDF_RTL,
7465 TDF_TREE, or TDF_IPA bits match.
7466 * rtl.h: Declare new functions exported from sched-vis.c.
7467 * sched-vis.c: Enable also if scheduling is not used.
7468 (print_value): Print the mode of registers if not inside scheduling.
7469 (print_insn): Make it work outside the scheduler. Beautify the output
7471 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7473 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7475 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7476 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7477 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7478 depending on the value of CONSTANT_POOL_ADDRESS_P.
7479 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7481 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7482 rather than SYMBOL_REF_DECL.
7483 (rtx_constant_pool): Remove const_rtx_sym_htab.
7484 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7485 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7486 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7487 Remove handling of const_rtx_sym_htab.
7488 (find_pool_constant): Delete.
7489 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7490 rather than find_pool_constant.
7491 (get_pool_constant_for_function): Delete.
7492 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7494 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7495 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7496 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7497 (SYMBOL_REF_CONSTANT): New macro.
7498 (get_pool_constant_for_function): Delete.
7499 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7500 rather than SYMBOL_REF_DECL.
7501 (i386_pe_mark_dllimport): Likewise.
7502 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7503 rather than SYMBOL_REF_DECL.
7504 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7505 (machopic_indirect_call_target): Likewise.
7507 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7509 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7511 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7513 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7515 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7517 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7519 2006-01-24 David Daney <ddaney@avtrex.com>
7522 * configure.ac (enable_tls): New enable option.
7523 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7524 * configure: Regenerate.
7525 * doc/install.texi (--enable-tls): Document new option.
7526 (--disable-tls): Ditto.
7528 2006-01-24 Richard Henderson <rth@redehat.com>
7530 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7531 * alias.c (true_dependence): Respect it.
7532 (canon_true_dependence, write_dependence_p): Likewise.
7533 * builtins.c (get_builtin_sync_mem): Set it.
7535 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7537 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7540 2006-01-24 DJ Delorie <dj@redhat.com>
7542 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7543 for storing constants in single-bit bitfields.
7545 2006-01-25 Ben Elliston <bje@au.ibm.com>
7547 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7549 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7552 * tree-ssa-pre.c (phi_translate): Return NULL
7553 for AGGREGATE_TYPE's.
7555 2006-01-24 Zack Weinberg <zackw@panix.com>
7557 * genautomata.c (process_state_for_insn_equiv_partition):
7558 Use xcalloc for insn_arcs_array.
7559 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7560 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7562 2006-01-24 Richard Henderson <rth@redhat.com>
7564 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7567 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7569 PR rtl-optimization/25890
7570 PR rtl-optimization/25905
7571 * combine.c (expand_compound_operation, expand_field_assignment):
7572 Fail if the bitfield's final position is out of bounds.
7574 2006-01-24 Ian Lance Taylor <ian@airs.com>
7577 * cgraphunit.c (cgraph_output_in_order): Don't clear
7578 cgraph_asm_nodes until after asm strings have been output.
7580 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7582 * fix-header.c (read_scan_file): Add new parameter imultilib when
7583 calling register_include_chains.
7585 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7587 * omp-low.c: Update documentation.
7589 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7590 Daniel Berlin <dberlin@dberlin.org>
7594 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7595 return from the function.
7597 2006-01-22 Zack Weinberg <zackw@panix.com>
7599 * rtl.def (match_code): Add second argument.
7600 * genpreds.c (write_extract_subexp): New function.
7601 (write_match_code): Add path argument. Use write_extract_subexp.
7602 (write_predicate_expr): Pass path to write_match_code.
7603 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7604 not perform a mode test.
7605 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7606 a subexpression does not constrain the top-level code set.
7607 * read-rtl.c (read_rtx_variadic): New function.
7608 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7609 * doc/md.texi: Document new notation.
7610 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7611 (cmpsi_operand): ... here, using new notation.
7613 2006-01-22 Zack Weinberg <zackw@panix.com>
7615 * varray.c: Remove GENERATOR_FILE #ifdefs.
7617 2006-01-22 Zack Weinberg <zackw@panix.com>
7619 * genautomata.c (output_reserved_units_table): Emit nothing if
7620 description->query_units_num is zero. Remove extra blank line.
7621 (output_cpu_unit_reservation_p): Short circuit
7622 if description->query_units_num is zero.
7624 2006-01-22 Zack Weinberg <zackw@panix.com>
7626 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7627 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7628 nor any of the random handful of variables that used to be necessary
7629 when this program was linked with rtlanal.o. Prune set of forward
7630 function declarations.
7631 (struct attr_desc): Remove static_p field.
7632 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7633 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7634 (attr_string): Do not read the character one past the length of
7636 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7637 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7638 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7639 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7640 (make_automaton_attrs): New.
7641 (main): Do not call into genautomata. Call local gen_bypass
7642 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7643 Remove special case for insn_alts.
7644 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7645 varray.h (leftover from previous change). Prune set of forward
7646 function declarations. Remove state_alts fields from all
7647 structures. Remove state_alts_table from struct automaton.
7648 Make everything except main static. Do not maintain num_dfa_decls.
7649 Do not maintain state_alts fields of various structures.
7650 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7651 (add_arc): Remove state_alts argument. All callers updated.
7652 (output_reserved_units_table): Emit #ifdef here...
7653 (output_tables): ...not here. Don't generate state_alts tables.
7654 (expand_automata): Don't generate attributes.
7655 (write_automata): Don't generate state_alts functions.
7656 (main): New function.
7657 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7658 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7659 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7660 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7661 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7662 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7663 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7664 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7666 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7667 * genattrtab.h: Delete file.
7668 * Makefile.in (OBJS-common): Add insn-automata.o.
7669 (insn-automata.o): New rule.
7670 (simple_generated_c): Add insn-automata.c.
7671 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7672 (genprogmd): Add automata.
7673 (build/genattrtab): Needs no extra objects nor libraries.
7674 (build/genautomata): Needs build/vec.o and -lm.
7676 2006-01-22 Zack Weinberg <zackw@panix.com>
7678 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7679 (output_dfa_max_issue_rate, locked_states_num): Delete.
7680 (struct automaton): Add locked_states field.
7681 (output_dead_lock_vect): Save number of locked states in
7682 automaton->locked_states. If it is zero, don't print anything.
7683 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7684 (output_internal_dead_lock_func): Only test the dead_lock_vect
7685 for automata that have locked states.
7686 (output_statistics): Always print the number of locked states for
7687 each automaton. Calculate total number of locked states here.
7688 (write_automata): Don't call output_dfa_max_issue_rate.
7689 * genattrtab.c: Define length_unit_log as a const variable.
7690 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7691 max_insn_queue_index const.
7692 * final.c (length_unit_log): Declare const.
7693 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7695 2006-01-22 Zack Weinberg <zackw@panix.com>
7697 * genautomata.c: Include vec.h, not varray.h.
7698 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7699 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7700 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7701 VEC_* macros operating on appropriately typed vectors, or to
7702 malloced arrays when the size is known in advance. Const-ify
7703 many char* variables and function arguments. No functional changes.
7704 * Makefile.in (build/varray.o): Delete rule.
7705 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7706 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7708 2006-01-22 Zack Weinberg <zackw@panix.com>
7710 * gensupport.c: Define get_insn_name and record_insn_name here.
7711 (read_md_rtx): Call record_insn_name as appropriate.
7712 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7713 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7714 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7716 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7717 (BUILD_VARRAY): Delete.
7718 (genprognormal): Rename genprogmd. Fold in all programs from
7719 genprognoprint; also attrtab.
7720 (build/genattrtab): Just mention genautomata.o and varray.o.
7721 Reorganize a bit, add comments to make the categories clearer.
7723 2006-01-22 Zack Weinberg <zackw@panix.com>
7725 * genconditions.c (condition_table, add_condition): Delete.
7726 (write_conditions): Don't emit n_insn_conditions nor
7727 insn_elision_unavailable. Issue the gcc version #ifdef here,
7728 inside the table, with no #else clause ...
7729 (write_header): ...not here.
7730 (write_writer): New function.
7731 (main): Don't initialize condition_table. Use add_c_test.
7733 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7734 files on the command line.
7735 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7736 Return -1 if there is no entry in the table, don't abort.
7737 (add_c_test, traverse_c_tests): New functions.
7738 * gensupport.h (insn_elision_unavailable, insn_conditions)
7739 (n_insn_conditions): Delete declarations.
7740 (add_c_test, traverse_c_tests): Declare.
7741 * read-rtl.c: Include gensupport.h.
7742 (read_conditions): New function.
7743 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7744 (read_rtx_1): If we get EOF when we were looking for an initial
7745 open paren, return 0. Call read_conditions when appropriate.
7746 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7747 dummy-conditions.o. Eliminate references to insn-conditions.o,
7748 or change them to build/gencondmd.o, as appropriate. Remove
7749 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7750 from $(simple_generated_c). For all files remaining in those
7751 two lists, add insn-conditions.md to the generator command line.
7752 Give insn-constants.h/s-constants their own rules. Add rules
7753 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7754 (build/read-rtl.o): Depend on gensupport.h.
7755 (genprognormal): Include preds.
7756 (genprogearly): Rename genprognoprint; only difference is now that
7757 they don't link with $(BUILD_PRINT).
7758 * dummy-conditions.c: Delete.
7760 2006-01-22 Zack Weinberg <zackw@panix.com>
7762 * genextract.c: Don't include insn-config.h. Do include vec.h.
7763 Declare vectors of int, char, and locstr.
7764 (locstr): New typedef.
7765 (struct extraction): Make all array fields into bare pointers.
7766 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7767 (insn_code_number): Delete.
7768 (accum_extract): New struct.
7769 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7770 (gen_insn): Take insn_code_number as an argument. Use an
7771 accum_extract structure instead of loading data directly into
7772 a struct extraction, and having to know how big it might get.
7773 (walk_rtx): Operate entirely on an accum_extract structure.
7774 (print_path): Avoid unnecessary use of printf.
7775 (print_header): New function, split out of main. Distinguish
7776 more carefully between an unrecognizable insn and an insn that
7777 has the code number of a define_expand.
7778 (main): Pass insn_code_number to gen_insn. Call print_header
7779 only after parsing. Avoid unnecessary use of printf.
7780 * Makefile.in (build/vec.o): New rule.
7781 (build/genextract): Depend on build/vec.o.
7782 (build/genextract.o): Don't depend on insn-config.h.
7784 2006-01-22 Zack Weinberg <zackw@panix.com>
7786 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7787 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7788 practical. Eliminate per-generator-program link rules.
7790 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7793 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7794 with a call expr to ...
7795 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7797 2006-01-23 Richard Guenther <rguenther@suse.de>
7799 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7800 before make_edge with conditional EDGE_TRUE_VALUE.
7802 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7803 Jan Hubicka <jh@suse.cz>
7804 Richard Guenther <rguenther@suse.de>
7806 PR rtl-optimization/25654
7807 * cfgexpand.c (aggregate_contains_union_type): New function.
7808 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7809 for structure variables that contain a union type.
7811 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7813 * gengtype.c (new_structure): Return the structure.
7814 (create_option): Add an extra "next" argument.
7815 (create_field): New function.
7816 (adjust_field_rtx_def): Use create_option and create_field.
7817 Remove a now-unnecessary call to find_structure.
7818 (adjust_field_tree_def): Likewise.
7819 (note_yacc_type): Remove an unnecessary call to find_structure.
7820 * gengtype.h (new_structure): Return the structure.
7821 (create_option): Add an extra argument.
7822 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7823 (option): Adjust calls to create_option.
7825 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7827 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7829 2006-01-22 Paul Brook <paul@codesourcery.com>
7830 Peter Barada <peter@the-baradas.com>
7832 * config/m68k/m68k.md: Add Coldfire FPU support.
7833 Define FP mode macro and associated attributes.
7834 Use it for float mode patterns.
7835 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7836 (LIBCALL_VALUE): Use m68k_libcall_value.
7837 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7838 (m68k_function_value): Ditto.
7839 (emit_move_sequence): Ditto.
7840 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7841 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7842 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7843 (MULTILIB_EXCEPTIONS): Ditto.
7844 * config/m68k/m68k.opt: Add mcfv4e.
7845 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7846 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7847 (m68k_output_function_prologue): Save ColdFire FPU registers.
7848 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7849 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7850 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7851 ColdFire FPU registers.
7852 (m68k_libcall_value, m68k_function_value): New functions.
7853 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7854 (LIBCALL_VALUE): Use m68k_libcall_value.
7855 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7856 (MASK_COLDFIRE): Add MASK_CFV4E.
7857 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7858 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7859 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7860 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7861 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7862 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7863 * doc/invoke.tex: Document -mcfv4e on m68k.
7865 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7867 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7870 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7873 * c-opts.c (c_common_handle_option): Don't include
7874 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7875 * doc/invoke.texi (C++ Dialect Options): Document that
7876 -Wnon-virtual-dtor is no longer included in -Wall.
7878 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7880 * gcov.c (print_version), gcov-dump.c (print_version),
7881 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7884 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7886 * df-scan.c (problem_SCAN): Added NULL reset function.
7887 (df_scan_reset_blocks): Added code to call reset block function
7888 (df_bb_refs_delete) Fixed comment.
7889 (df_insn_refs_delete): Made tolerant of deleting non existent info
7890 for dataflow problems that need to be reset.
7891 * df-core.c (df_set_blocks): Ditto.
7892 * df.h (struct df_problem): Added reset_fun.
7893 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7894 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7895 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7896 functions to clear out all references to def-use or use-def chains.
7898 2006-01-21 Ben Elliston <bje@au.ibm.com>
7900 * varasm.c (assemble_real): Initialise data array.
7902 2006-01-20 Paul Brook <paul@codesourcery.com>
7904 Merge from csl-arm-branch.
7905 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7906 * config/arm/arm.md (movdi): Force operands[1] to a register
7907 if we have a non-register source.
7908 (*arm_movdi, *movdf_soft_insn): Require that one of the
7909 operands be a register.
7910 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7911 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7913 2006-01-20 DJ Delorie <dj@redhat.com>
7915 * varasm.c (initialize_constant_valid_p): Allow pointers
7916 initialized from integer constants of lesser precision.
7917 (output_constant): Allow non-int-sized pointer modes to be
7918 initialized from integer constants.
7920 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7923 * cppdefault.h (struct default_include): Add multilib flag.
7924 * cppdefault.c (cpp_include_defaults): Set it.
7925 * c.opt (-imultilib): New option.
7926 * c-opts.c (imultilib): New.
7927 (c_common_handle_option): Handle -imultilib.
7928 (c_common_post_options): Likewise.
7929 * c-incpath.c (add_standard_paths, register_include_chains):
7931 * c-incpath.h (register_include_chains): Add extra parameter.
7932 * gcc.c (do_spec_1): Generate -imultilib option.
7933 (The Specs Language): Update %I description.
7934 (process_command): Update copyright notice.
7935 * doc/cppopts.texi (-imultilib): Document.
7936 * doc/invoke.texi (-imultilib): Include in option summary.
7937 (%I): Update specs documentation.
7939 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7941 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7943 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7945 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7948 2006-01-20 Richard Guenther <rguenther@suse.de>
7949 Steven Bosscher <stevenb.gcc@gmail.com>
7951 PR rtl-optimization/24626
7952 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7953 EDGE_TRUE_VALUE if in RTL mode.
7956 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7957 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7959 2006-01-20 Dirk Mueller <dmueller@suse.com>
7962 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7963 instead of a special NOP marker.
7964 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7965 NOP marker handling.
7966 * c-common.h (empty_body_warning): Add forward declaration.
7967 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7968 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7970 2006-01-20 Paul Brook <paul@codesourcery.com>
7972 * Makefile.in (lang_checks): Keep going if mkdir fails.
7974 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7976 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7977 be able to clean out basic block when not necessary.
7978 (df_scan_free): Fixed to properly delete information if df is
7979 unused before calling df_finish.
7980 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7981 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7983 (df_bb_refs_delete): New function.
7984 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7985 * df-core.c (df_set_blocks): Added code to properly clean out
7986 unused blocks if they are not part of the blocks to consider.
7987 Added additional null check.
7988 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7989 be able to clean out basic block when not necessary
7990 * df.h (df_free_bb_function): Ditto.
7991 (df_bb_refs_delete): New function.
7992 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7993 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7994 basic block parameter to be able to clean out basic block when not
7996 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7997 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7998 Fixed to properly delete information if df is unused before
8001 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8003 PR rtl-optimization/25799
8004 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8005 Corrected confluence operator to remove bits from op2 before oring
8006 with op1 rather than removing bits from op1.
8007 (df_ru_transfer_function): Corrected test on wrong bitmap which
8008 caused infinite loop. Both of these problems were introduced in
8009 the dataflow rewrite.
8011 2006-01-19 DJ Delorie <dj@redhat.com>
8013 * reload1.c (find_reload_regs): Note the details of reload
8014 failures in the dump file.
8015 (spill_failure): Likewise.
8017 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8019 * loop-iv.c: Include df.h and hashtab.h.
8020 (enum iv_grd_result): New enum.
8021 (DF_REF_IV, DF_REF_IV_SET): New macros.
8022 (struct biv_entry): New.
8023 (df, bivs): New global variables.
8024 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8025 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8027 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8028 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8029 analyzed_for_bivness_p, record_biv): New functions.
8030 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8031 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8032 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8034 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8036 (iv_number_of_iterations): Use new interface to iv analysis.
8037 * loop-unroll.c: Do not include varray.h.
8038 (analyze_iv_to_split_insn): Use new interface to iv
8040 * loop-unswitch.c (may_unswitch_on): Ditto.
8041 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8043 (df_bb_modify): Realloc tables to the new index.
8044 (df_find_use): New function.
8045 * df.h (df_find_use): Declare.
8046 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8048 * cfgloop.h (struct rtx_iv): Remove analysed field.
8049 (iv_get_reaching_def): Removed.
8050 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8051 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8052 (loop-iv.o): Add df.h and hashtab.h dependency.
8053 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8055 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8058 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8060 (__floatundisf, __floatundidf): Likewise.
8061 * libgcc2.h (IS_IBM_EXTENDED): Define.
8063 2006-01-19 DJ Delorie <dj@redhat.com>
8065 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8067 2006-01-19 Paul Brook <paul@codesourcery.com>
8069 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8070 as nothrow when unwinding tables are disabled.
8072 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8075 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8076 of bit-field" when in system header.
8078 2006-01-19 DJ Delorie <dj@redhat.com>
8080 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8081 the 16 bit shift limit of the m16c.
8083 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8086 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8087 * config/i386/i386.c (output_set_got): Output the label if we have one
8088 for the TARGET_DEEP_BRANCH_PREDICTION case.
8090 2006-01-19 Jan Hubicka <jh@suse.cz>
8091 H.J. Lu <hongjiu.lu@intel.com>
8092 Evandro Menezes <evandro.menezes@amd.com>
8094 * invoke.texi (generic): Document
8096 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8097 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8098 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8099 (x86_use_incdec, x86_pad_returns): New variables
8100 (TARGET_CPU_DEFAULT_generic): New constant
8101 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8102 (enum processor_type): Add generic32 and generic64.
8103 * i386.md (cpu attribute): Add generic32/generic64
8104 (movhi splitter): Behave sanely when both partial_reg_dependency and
8105 partial_reg_stall are set.
8106 (K8 splitters): Enable for generic as well.
8107 * predicates.md (incdec_operand): Use TARGET_INCDEC
8108 (aligned_operand): Avoid memory mismatch stalls.
8109 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8110 * ppro.md: Enable for generic32
8111 * i386.c (generic64_cost, generic32_cost): New.
8112 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8113 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8114 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8115 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8116 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8117 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8118 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8119 x86_accumulate_outgoing_args, x86_prologue_using_move,
8120 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8121 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8123 (x86_use_incdec, x86_pad_returns): New.
8124 (override_options): Add generic32 and generic64, translate "generic"
8125 to generic32/generic64 and "i686" to "generic32", refuse
8126 "generic32"/"generic64" as arch target.
8127 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8128 (ix86_reorg): Honor PAD_RETURNS.
8130 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8132 * tree-pretty-print.c (dump_generic_node): Handle
8133 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8134 * cgraph.c (cgraph_expand_queue): Rename from
8135 cgraph_analyze_queue. Update all users.
8136 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8137 cgraph_expand_queue.
8138 (cgraph_expand_all_functions): Likewise.
8139 (cgraph_finalize_pending_functions): Remove. Update callers.
8141 * tree.h (OMP_DIRECTIVE_P): Define.
8142 (OMP_PARALLEL_FN): Define.
8143 (OMP_PARALLEL_DATA_ARG): Define.
8144 (OMP_SECTIONS_SECTIONS): Define.
8145 * tree-pass.h (pass_expand_omp): Declare.
8146 * omp-low.c (struct omp_region): Declare.
8147 (struct omp_context): Remove fields 'parallel_type',
8148 'parallel_start_ix' and 'parallel_start_additional_args'.
8150 (struct omp_for_data): Rename from struct expand_omp_for_data.
8151 (omp_regions): New static variable.
8152 (root_omp_region): New static variable.
8153 (find_omp_clause): Make static.
8154 (is_in_combined_parallel_ctx): Remove.
8155 (is_combined_parallel): New.
8156 (extract_omp_for_data): Move earlier in the file.
8157 (workshare_safe_to_combine_p): New.
8158 (get_ws_args_for): New.
8159 (determine_parallel_type): Move earlier in the file.
8160 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8162 (omp_copy_decl): Likewise.
8163 (create_omp_child_function): Likewise.
8164 (lookup_omp_region): New.
8165 (dump_omp_region): New.
8166 (debug_omp_region): New.
8167 (debug_all_omp_regions): New.
8168 (new_omp_region): New.
8169 (scan_omp_parallel): If parallel_nesting_level > 1, the
8170 directive is nested within another parallel directive.
8171 Set OMP_PARALLEL_FN.
8172 (scan_omp_for): Do not try to handle combined parallel+for
8174 Remove FIXME comment.
8175 (scan_omp_nested): Remove.
8176 (scan_omp_1): Do not call scan_omp_nested when
8177 parallel_nesting_level is > 1.
8178 Do not change the DECL_CONTEXT of local variables found.
8179 (lookup_decl_in_outer_ctx): New.
8180 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8181 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8182 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8183 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8184 If CTX is nested, lookup VAR in the outer context when
8185 building copy assignment.
8186 (lower_send_clauses): Rename from expand_send_clauses.
8187 If CTX is nested, lookup VAR in the outer context when
8188 building copy assignments.
8189 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8190 If CTX is nested, lookup VAR in the outer context when
8191 building copy assignments.
8192 (expand_parallel_call): Rename from build_parallel_call.
8193 Handle combined parallel+workshare cases.
8194 Re-implement to emit code into the CFG.
8196 (expand_omp_parallel): Re-implement to emit code into the CFG.
8197 Call move_sese_region_to_fn to outline the sub-graph
8198 containing the parallel region.
8199 (expand_omp_for_1): Remove.
8200 (expand_omp_for_generic): Re-implement to emit code into the
8202 (expand_omp_for_static_nochunk): Likewise.
8203 (expand_omp_for_static_chunk): Likewise.
8204 (expand_omp_for): Likewise.
8205 (expand_omp_sections): Likewise.
8206 (remove_exit_barriers): New.
8207 (expand_omp_synch): New.
8209 (build_omp_regions_1): New.
8210 (build_omp_regions): New.
8211 (execute_expand_omp): New.
8212 (gate_expand_omp): New.
8213 (pass_expand_omp): Define.
8214 (lower_omp_sections): Rename from expand_omp_sections.
8215 Set OMP_SECTIONS_SECTIONS.
8216 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8217 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8218 (lower_omp_single): Rename from expand_omp_simple.
8219 (lower_omp_master): Rename from expand_omp_master.
8220 (lower_omp_ordered): Rename from expand_omp_ordered.
8221 (lower_omp_critical): Rename from expand_omp_critical.
8222 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8223 (lower_omp_for): Re-implement.
8224 (lower_omp_parallel): Re-implement.
8225 (lower_regimplify): Rename from expand_regimplify.
8226 (lower_omp_1): Rename from expand_omp_1.
8227 If there are syntax errors in the program, replace every
8228 OpenMP directive with NOP.
8229 Call lower_omp_* instead of expand_omp_*.
8230 (lower_omp): Rename from expand_omp.
8232 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8233 * tree-gimple.h (enum omp_parallel_type): Remove.
8234 (gimple_boolify): Declare extern.
8235 (find_omp_clause, determine_parallel_type): Remove.
8237 * gimple-low.c (lower_omp_directive): New.
8238 (lower_stmt): Call it.
8239 (record_vars_into): Move from ...
8240 (record_vars): ... here.
8241 Call record_vars_into with current_function_decl.
8243 * gimplify.c (struct gimplify_ctx): Remove fields
8244 combined_pre_p and combined_ctxp. Update users.
8245 (get_formal_tmp_var): Add documentation.
8246 (gimple_boolify): Make extern.
8247 (gimplify_expr_in_ctx): Remove. Update callers.
8248 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8249 will always be a BIND_EXPR.
8250 (gimplify_expr): Handle OMP_RETURN_EXPR.
8251 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8252 (OMP_PARALLEL): Add 3 operands.
8253 (OMP_SECTIONS): Add 1 operand.
8254 (OMP_RETURN_EXPR): Define.
8256 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8257 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8258 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8259 creating a circular free list.
8260 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8262 * tree-flow.h (move_sese_region_to_fn): Declare.
8263 (record_vars_into): Declare.
8264 * tree-cfg.c (make_omp_sections_edges): New.
8265 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8266 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8267 OMP_SECTIONS and OMP_SECTION.
8268 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8269 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8270 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8271 (gather_blocks_in_sese_region): New.
8272 (struct move_stmt_d): Declare.
8274 (move_block_to_fn): New.
8275 (move_sese_region_to_fn): New.
8277 * passes.c (init_optimization_passes): Schedule
8278 pass_expand_omp after pass_init_datastructures.
8280 * tree-ssa-operands.c (get_expr_operands): Handle
8281 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8282 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8284 2006-01-19 Jeff Law <law@redhat.com>
8286 * tree-vrp.c (extract_range_from_assert): Refine the result range
8287 if the variable referenced by the ASSERT_EXPR has a range and
8288 either the tentative result range or the previous range is a
8291 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8293 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8295 2006-01-19 Jan Hubicka <jh@suse.cz>
8297 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8299 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8301 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8302 (expand_compound_operation, expand_field_assignment): Fail if the
8303 bit lengths of an extract operation are out of range.
8304 (make_extraction): Compute wanted_inner_mode based on the position
8305 and length of the extraction. Make it extraction_mode for non-constant
8306 positions, and do not modify offset in that case. When generating a
8307 new MEM, use a mode that can hold the extraction while keeping correct
8308 alignment. Remove code that supported MEMs wrapped by USEs.
8309 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8311 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8313 * config/s390/s390.md ("Y", "y"): New mode attribute.
8314 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8315 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8316 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8317 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8318 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8319 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8320 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8321 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8322 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8323 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8324 "addsi3", "subsi3"): Insn patterns removed.
8325 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8326 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8327 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8328 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8329 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8330 "*sub<mode>3_cconly2"): New insn patterns.
8331 ("addsi3", "subsi3"): New expanders.
8333 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8335 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8336 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8337 existing STMT_VINFO_VECTYPE if available.
8338 (vect_mark_relevant): Add special handling for stmts that are
8339 marked as STMT_VINFO_IN_PATTERN_P.
8340 (vect_analyze_loop): Call vect_pattern_recog.
8341 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8342 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8344 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8345 (vect_recog_func_ptr): New function-pointer type.
8346 * tree-vect-patterns.c: New file.
8347 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8348 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8349 (vect_pattern_recog_1): New functions.
8350 (vect_pattern_recog_funcs): New array of function pointers.
8352 * tree-vectorizer.h (ternary_op): New enum value.
8353 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8354 declaration. Revised documentation. Removed redundant dump prints.
8355 Removed redundant argument. Added support for reduction patterns.
8356 (vectorizable_reduction): Added support for reduction patterns.
8357 (vect_transform_stmt): Added support for patterns.
8359 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8360 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8361 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8362 (expand_widen_pattern_expr): New function.
8363 (init_optabs): Initialize new optabs udot_prod_optab,
8365 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8366 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8367 (expand_widen_pattern_expr): New function declaration.
8368 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8370 * tree-inline.c (estimate_num_insns_1): Added cases for new
8371 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8372 * tree-pretty-print.c (dump_generic_node): Likewise.
8373 (op_prio): Likewise.
8374 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8375 * tree-ssa-operands.c (get_expr_operands): Added case for
8377 * tree-vect-patterns.c (widened_name_p): New function.
8378 (vect_recog_dot_prod_pattern): Added function implementation.
8379 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8380 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8381 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8382 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8384 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8385 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8386 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8387 (init_optabs): Initialize new optabs widen_ssum_optab,
8389 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8390 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8391 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8392 use instead of type of def.
8393 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8394 function implementation.
8395 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8396 widen_ssumv8hi): New.
8398 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8401 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8404 * c-decl.c (add_flexible_array_elts_to_size): New function.
8405 (finish_decl): Use it.
8407 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8409 * diagnostic.h: Include options.h.
8410 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8411 dependancies for diagnostic.h.
8412 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8414 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8416 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8417 (ssa_ro_call_cache_valid): Ditto.
8418 * tree-ssa-alias.c (sort_tags_by_id): New function.
8419 (init_transitive_clobber_worklist): Ditto.
8420 (add_to_worklist): Ditto.
8421 (mark_aliases_call_clobbered): Ditto.
8422 (compute_tag_properties): Ditto.
8423 (set_initial_properties): Ditto.
8424 (compute_call_clobbered): Ditto.
8425 (compute_may_aliases): Call compute_call_clobbered and grouping.
8426 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8427 (compute_flow_insensitive_aliasing): Grouping now happens in our
8429 (setup_pointers_and_addressables): Remove clobbering related code.
8430 (add_may_alias): Ditto.
8431 (replace_may_alias): Ditto.
8432 (get_nmt_for): Ditto.
8433 (create_global_var):
8434 (is_escape_site): Return an escape_type enumeration.
8435 * tree-flow-inline.h (is_call_clobbered): Global var does not
8436 imply call clobbered.
8437 (mark_call_clobbered): Take a reason for marking this. Remove
8438 marking of globalness, and cache invalidation.
8439 (clear_call_clobbered): Remove cache invalidation code.
8440 * tree-dfa.c (dump_variable): If details is on, dump the reason
8442 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8444 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8445 (struct var_ann_d): Ditto.
8446 (enum escape_type): New.
8447 (mark_call_clobbered): Adjust prototype.
8448 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8449 are never call clobbered.
8450 Record reasons for escaping.
8451 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8452 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8453 (ssa_ro_call_cache_valid): Ditto.
8454 (clobbered_v_may_defs): Ditto.
8455 (clobbered_vuses): Ditto.
8456 (ro_call_vuses): Ditto.
8457 (clobber_stats): New.
8458 (init_ssa_operands): Zero out clobber stats.
8459 (fini_ssa_operands): Print out clobber stats.
8460 (get_call_expr_operands): Pass callee fndecl to
8462 (add_call_clobber_ops): Remove use of cache.
8463 Add use of PURE_CONST information.
8464 (add_call_read_ops): Remove use of cache.
8465 Add use of static not_read information.
8467 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8469 Introduce TLS descriptors for i386 and x86_64.
8470 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8471 (TARGET_ANY_GNU_TLS): New macro.
8472 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8473 (struct machine_function): Add tls_descriptor_call_expanded_p.
8474 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8475 (ix86_current_function_calls_tls_descriptor): Likewise.
8476 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8477 (override_options): Introduce gnu2 tls dialect.
8478 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8480 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8482 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8483 (ix86_init_machine_status): Initialize new field.
8484 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8485 (ix86_tls_module_base): New.
8486 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8487 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8488 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8489 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8490 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8491 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8492 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8493 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8494 * config/i386/predicates.md (tls_modbase_operand): New.
8495 (tp_or_register_operand): New.
8497 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8499 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8500 (look_for_address_of): Ditto.
8501 (ipa_init): Walk the function decls.
8502 (static_execute): Don't set readonly on FUNCTION_DECL's.
8504 2006-01-18 Roger Sayle <roger@eyesopen.com>
8506 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8507 for shifts where the source and destination registers are different.
8509 2006-01-18 Paul Brook <paul@codesourcery.com>
8511 Merge from csl-arm-branch.
8512 2005-03-14 Julian Brown <julian@codesourcery.com>
8513 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8514 (aeabi_llsl): Likewise.
8515 (ashrdi3): Likewise.
8516 (aeabi_lasr): Likewise.
8517 (lshrdi3): Likewise.
8518 (aeabi_llsr): Likewise.
8519 2005-03-10 Julian Brown <julian@codesourcery.com>
8520 * config.gcc: Disable shared libgcc for SymbianOS.
8521 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8523 2006-01-18 DJ Delorie <dj@redhat.com>
8525 * c-pragma.c (handle_pragma_diagnostic): New.
8526 (init_pragma): Register it.
8527 * doc/extend.texi: Document it.
8529 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8530 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8531 (diagnostic_context): Add classify_diagnostic[].
8532 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8533 as errors if they're overridden to DK_WARNING.
8534 (diagnostic_initialize): Initialize classify_diagnostic[].
8535 (diagnostic_set_kind_override): New.
8536 (diagnostic_report_diagnostic): Check for kind changes.
8537 * opts.c (common_handle_option): Take lang_mask. Update callers.
8539 * common.opt (Werror=): New.
8540 * doc/invoke.texi: Document -Werror=*
8542 2006-01-18 Jeff Law <law@redhat.com>
8544 * tree-vrp.c (test_for_singularity): Correct test for new
8545 min limit. Use operand_equal_p rather than pointer equality
8546 for testing if new min/max values are equal.
8548 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8549 using range information until after propagation and folding.
8551 2006-01-18 Richard Henderson <rth@redhat.com>
8552 Aldy Hernandez <aldyh@redhat.com>
8553 Jakub Jelinek <jakub@redhat.com>
8554 Diego Novillo <dnovillo@redhat.com>
8556 * omp-low.c: New file.
8557 * c-omp.c: New file.
8559 2006-01-18 Richard Henderson <rth@redhat.com>
8560 Jakub Jelinek <jakub@redhat.com>
8561 Diego Novillo <dnovillo@redhat.com>
8563 * doc/invoke.texi: Document -fopenmp.
8564 * tree-dump.h (debug_function): Declare.
8565 * hooks.c (hook_bool_tree_bool_false): New function.
8566 (hook_tree_tree_null): Remove.
8567 (hook_tree_tree_tree_null): New.
8568 * hooks.h: Update to match.
8569 * tree-pretty-print.c (debug_tree_chain): New.
8570 (print_generic_expr): Handle TDF_CHAIN.
8571 (dump_generic_node): Handle BLOCK.
8572 Do not abort with incomplete SWITCH_EXPRs.
8573 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8574 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8575 print space after directive name.
8576 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8577 Handle OMP_MASTER and OMP_ORDERED.
8578 Handle printing of OMP_BODY just in one place, goto
8579 dump_omp_body in the rest of OMP_* nodes that have
8581 Don't handle clause nodes here. Update omp statements to
8582 use dump_omp_clauses.
8583 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8584 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8585 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8586 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8587 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8588 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8589 Adjust output for GOMP_PARALLEL.
8590 (dump_omp_clauses): New.
8591 (print_declaration): Dump DECL_VALUE_EXPR.
8592 (op_symbol_1): Split out of op_symbol.
8593 (dumping_stmts): Remove. Update all users.
8594 * cgraph.c (cgraph_analyze_queue): New.
8595 (cgraph_add_new_function): New.
8596 * cgraph.h (cgraph_analyze_queue): Declare.
8597 (cgraph_add_new_function): Declare.
8598 (cgraph_lower_function): Remove.
8599 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8600 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8601 and TYPE_P nodes in its default clause.
8602 (empty_body_p): New.
8603 (tree_range_check_failed): New.
8605 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8606 OMP_CLAUSE_REDUCTION_MERGE,
8607 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8608 OMP_CLAUSE_PRIVATE_DEBUG,
8609 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8610 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8611 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8612 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8613 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8614 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8615 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8616 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8617 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8618 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8619 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8620 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8621 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8622 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8623 (TREE_RANGE_CHECK): New.
8624 (empty_body_p): Declare.
8625 (enum omp_clause_default_kind): New.
8626 (build_string_literal): Declare.
8627 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8628 (build5_stat, build5): Declare.
8629 * tree-pass.h (TDF_CHAIN): Define.
8630 * tree-pass.h (PROP_gimple_lomp): Define.
8631 (pass_lower_omp): Declare.
8632 * diagnostic.h (debug_tree_chain): Declare.
8633 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8635 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8636 * builtins.c (build_string_literal): Make extern.
8637 * gcc.c (include_spec_function): New.
8638 (static_spec_functions): Add it.
8639 (main): Move load of libgomp.spec ...
8640 (LINK_COMMAND_SPEC): ... here.
8641 (link_gomp_spec): New.
8642 (static_specs): Include it.
8643 (LINK_COMMAND_SPEC): Add link_gomp.
8644 (GOMP_SELF_SPECS): New.
8645 (driver_self_specs): Include it.
8646 (switch_matches): Don't mark inline.
8647 (main): Load libgomp.spec.
8648 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8649 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8650 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8651 * tree-gimple.h (enum omp_parallel): Declare.
8652 (determine_parallel_type): Declare.
8653 (omp_firstprivatize_variable): Declare.
8654 (omp_reduction_init): Declare.
8655 (diagnose_omp_structured_block_errors): Declare.
8656 (struct walk_stmt_info): Add want_return_expr.
8657 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8658 (find_omp_clause): Declare.
8659 (insert_field_into_struct): Declare.
8660 (struct walk_stmt_info): Move from tree-nested.c
8661 (walk_stmts): Declare.
8662 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8664 * cgraphunit.c (cgraph_lower_function): Make static.
8665 (cgraph_finalize_pending_functions): New.
8666 (cgraph_finalize_function): Call it.
8667 (cgraph_finalize_compilation_unit): Likewise.
8668 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8669 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8670 (BT_FN_UINT_UINT): New.
8671 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8672 DEF_FUNCTION_TYPE_VAR_4): Document.
8673 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8674 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8675 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8676 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8677 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8678 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8679 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8680 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8681 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8682 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8683 into separate files.
8684 (DEF_GOMP_BUILTIN): New.
8685 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8686 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8687 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8688 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8689 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8690 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8691 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8692 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8693 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8694 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8695 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8696 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8697 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8698 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8699 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8700 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8701 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8702 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8703 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8704 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8705 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8706 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8707 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8708 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8709 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8710 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8711 * sync-builtins.def: New file, moved from builtins.def.
8712 * omp-builtins.def: New file, moved from builtins.def.
8713 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8714 * gimple-low.c (lower_function_body): Clear data.
8715 (lower_stmt): Do not handle COMPOUND_EXPR.
8716 Remove call to print_node_brief.
8717 * c-tree.h (c_finish_omp_clauses): New prototype.
8718 (C_DECL_THREADPRIVATE_P): Define.
8719 (lookup_name_no_remap, c_omp_remap_private): Remove
8720 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8721 (check_for_loop_decls): Update decl.
8722 (lookup_name_no_remap, c_omp_remap_private): Declare.
8723 (build_indirect_ref, build_modify_expr, pushdecl,
8724 pushdecl_top_level): Move to c-common.h.
8725 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8726 before the switch, but just in the 2 places that need it.
8727 * c-decl.c (diagnose_mismatched_decls): Do not check for
8728 mismatched thread-local attributes when OLDDECL is marked
8729 threadprivate and NEWDECL has no thread-local attributes.
8730 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8731 (c_gimple_diagnostics_recursively): Rename from
8732 c_warn_unused_result_recursively. Invoke
8733 diagnose_omp_structured_block_errors.
8734 (check_for_loop_decls): Return a singular decl found.
8735 * langhooks.c (lhd_omp_predetermined_sharing): Return
8736 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8737 (lhd_omp_firstprivatize_type_sizes): New.
8738 (lhd_omp_assignment): New.
8739 (lhd_omp_predetermined_sharing): New.
8740 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8741 (struct lang_hooks_for_types): Add
8742 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8743 omp_predetermined_sharing, omp_disregard_value_expr,
8744 omp_private_debug_clause, omp_clause_default_ctor,
8745 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8746 (c_finish_omp_clauses): New.
8747 (c_finish_bc_stmt): Diagnose break within omp for.
8748 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8749 (build_unary_op): Return error_mark after reporting
8751 (build_modify_expr): Likewise.
8752 * gimplify.c: Include optabs.h and pointer-set.h.
8753 (enum gimplify_omp_var_data): Declare.
8754 (struct gimplify_omp_ctx): Declare.
8755 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8757 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8758 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8759 (splay_tree_compare_decl_uid): New.
8760 (new_omp_context): New.
8761 (delete_omp_context): New.
8762 (gimple_add_tmp_var): Call omp_add_variable.
8763 (gimplify_bind_expr): Likewise.
8764 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8765 true, disregard DECL_VALUE_EXPR on the decl if any.
8766 (gimplify_expr_in_ctx): New.
8767 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8768 omp_add_variable, omp_notice_variable, omp_is_private
8769 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8770 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8771 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8772 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8773 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8774 gimplify_omp_atomic): New.
8775 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8776 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8777 OMP_CRITICAL and OMP_ATOMIC.
8778 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8779 * c-pragma.h (enum pragma_kind): Add
8780 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8781 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8782 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8783 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8784 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8785 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8786 PRAGMA_OMP_THREADPRIVATE.
8787 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8788 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8789 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8790 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8791 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8792 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8793 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8794 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8795 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8796 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8797 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8798 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8799 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8801 (struct nesting_info): Add field_map,
8802 suppress_expansion, debug_var_chain.
8803 (create_nesting_tree): Initialize them.
8804 (lookup_field_for_decl): Use field_map.
8805 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8806 (convert_local_omp_clauses): New.
8807 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8808 (walk_body): Split out of walk_function.
8809 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8810 (convert_nonlocal_reference): Handle omp statements.
8811 (convert_local_reference): Likewise.
8812 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8813 (unnest_nesting_tree): New.
8814 (lower_nested_functions): Call it.
8815 (insert_field_into_struct): Make extern.
8816 (struct walk_stmt_info): Move to tree-gimple.h.
8817 (walk_stmts): Make extern.
8818 * omp-builtins.def: New file.
8819 * tree-iterator.c (expr_only): Clarify comment.
8820 * c-common.h (pushdecl_top_level, pushdecl,
8821 build_modify_expr, build_indirect_ref,
8822 c_finish_omp_master, c_finish_omp_critical,
8823 c_finish_omp_ordered, c_finish_omp_barrier,
8824 c_finish_omp_atomic, c_finish_omp_flush,
8825 c_finish_omp_for, c_split_parallel_clauses,
8826 omp_clause_default_kind, c_omp_sharing_predetermined,
8827 c_omp_remap_decl): Declare.
8828 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8829 (OBJS-common): Add omp-low.o.
8830 (c-omp.o, omp-low.o): Add.
8831 (gimplify.o): Add dependency on $(OPTABS_H).
8832 (GTFILES): Add omp-low.c.
8833 (gt-stringpool.h): Add.
8834 * tree-cfg.c (set_bb_for_stmt): Do not update the
8835 block-to-labels map if we are currently expanding to RTL.
8836 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8838 Handle IDENTIFIER_NODE.
8839 (tree_verify_flow_info): Do not ICE when emitting error
8840 messages about invalid labels.
8841 (dump_function_to_file): Reset CFUN before emitting the body
8843 (debug_function): New.
8844 * passes.c (init_optimization_passes): Schedule
8846 * langhooks-def.h (lhd_omp_predetermined_sharing,
8847 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8849 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8850 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8851 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8852 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8853 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8854 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8855 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8856 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8857 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8858 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8859 (LANG_HOOK_DECLS): Use them.
8861 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8862 Richard Henderson <rth@redhat.com>
8863 Jakub Jelinek <jakub@redhat.com>
8864 Diego Novillo <dnovillo@redhat.com>
8866 * c-parser.c (pragma_omp_clause): Define.
8867 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8868 (c_parser_compound_statement): Likewise.
8869 (c_parser_statement): Likewise.
8870 (c_parser_pragma): Handle omp pragmas.
8871 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8872 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8873 (c_parser_omp_clause_name, check_no_duplicate_clause,
8874 c_parser_omp_variable_list,
8875 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8876 c_parser_omp_clause_copyprivate,
8877 c_parser_omp_clause_default,
8878 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8879 c_parser_omp_clause_lastprivate,
8880 c_parser_omp_clause_nowait,
8881 c_parser_omp_clause_num_threads,
8882 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8883 c_parser_omp_clause_reduction,
8884 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8885 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8886 c_parser_omp_atomic, c_parser_omp_barrier,
8887 c_parser_omp_critical, c_parser_omp_flush,
8888 c_parser_omp_for_loop, c_parser_omp_for,
8889 c_parser_omp_master, c_parser_omp_ordered,
8890 c_parser_omp_sections_scope, c_parser_omp_sections,
8891 c_parser_omp_parallel, c_parser_omp_single,
8892 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8893 * c-pragma.c (init_pragma): Do omp pragma registration here.
8894 * c.opt (fopenmp): New flag.
8896 2006-01-18 Eric Christopher <echristo@apple.com>
8898 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8899 * config/darwin.h (GOMP_SELF_SPECS): Define.
8901 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8903 * rtl.h: Remove the prototype for reg_alloc.
8905 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8908 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8909 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8910 sjlj and dwarf2 exception handling.
8911 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8912 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8913 * pa/pa.c (function_value): Treat complex and vector types as
8915 (function_arg): Likewise. Only pass scalar floats in the floating
8916 point argument registers.
8917 * pa/t-slibgcc-dwarf-ver: New file.
8918 * pa/t-slibgcc-sjlj-ver: New file.
8919 * pa/t-slibgcc-elf-ver: Delete file.
8921 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8923 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8924 unlikely_test_section_p test.
8926 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8928 * mode-switching.c (optimize_mode_switching): Make it static.
8929 * basic-block.h: Remove the prototype for
8930 optimize_mode_switching.
8932 * modulo-sched.c (sms_schedule): Make it static.
8933 * rtl.h: Remove the prototype for sms_schedule.
8935 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8936 * rtl.h: Remove the prototype for gcse_after_reload_main.
8938 * reg-stack.c (reg_to_stack): Make it static.
8939 * rtl.h: Remove the prototype for reg_to_stack.
8941 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8943 * rtl.h: Remove the prototypes for regrename_optimize and
8944 copyprop_hardreg_forward.
8946 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8948 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8949 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8950 Test against the appropriate null constant for the mode.
8951 If 'fixup_overlap' is true, swap the operands if they overlap.
8952 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8953 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8954 alpha_split_tmode_pair and adjust for above change.
8955 * config/alpha/alpha.md (movtf_internal): Adjust call to
8956 alpha_split_tfmode_pair and rely on it to swap the operands.
8957 (movti_internal): New insn and post-reload splitter.
8958 (movti): New expander.
8960 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8962 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8965 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8967 * rtlanal.c (global_reg_mentioned_p_1,
8968 global_reg_mentioned_p): Remove.
8969 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8971 * flow.c (initialize_uninitialized_subregs): Make it static.
8972 * rtl.h: Remove the prototype for
8973 initialize_uninitialized_subregs.
8975 * function.c (instantiate_virtual_regs): Make it static.
8976 * function.h: Remove the prototype for
8977 instantiate_virtual_regs.
8979 * regmove.c (regmove_optimize, combine_stack_adjustments):
8981 * rtl.h: Remove the prototypes for regmove_optimize and
8982 combine_stack_adjustments.
8984 2006-01-17 Roger Sayle <roger@eyesopen.com>
8986 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8987 (size_cost): Encode costs in bytes so that a reg-reg addition is
8988 equivalent to COSTS_N_INSNS(1).
8989 (override_options): Use the size_cost.branch_cost as the default
8990 ix86_branch_cost when optimizing for size.
8992 2006-01-18 Ben Elliston <bje@au.ibm.com>
8994 * Makefile.in (D32PBIT_FUNCS): New.
8995 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8996 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8997 D64PBIT_FUNCS and D128PBIT_FUNCS.
8998 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8999 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9001 (decnumber_dep): Define.
9002 * doc/libgcc.texi (Decimal float library routines): New node.
9003 * config/dfp-bit.h, config/dfp-bit.c: New files.
9005 2006-01-18 Ben Elliston <bje@au.ibm.com>
9007 * expr.c (emit_move_change_mode): Always adjust addresses, not
9008 just during reload. Copy replacements only during reload.
9009 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9010 emit_move_via_integer.
9012 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9014 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9015 instead of $(srcdir) and ${srcdir}.
9017 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9021 * arm.h (struct machine_function): Add pic_reg.
9022 * arm.c (arm_pic_register): Make unsigned.
9023 (arm_override_options): Only set arm_pic_register if
9024 TARGET_SINGLE_PIC_BASE.
9025 (use_return_insn): Only test for a pic register if it is fixed.
9026 (arm_compute_save_reg0_reg12_mask): Likewise.
9027 (thumb_compute_save_reg_mask): Likewise.
9028 (legitimate_pic_operand): Factor out some known invariants.
9029 (legitimize_pic_address): If we don't have a fixed pic register,
9030 then set up a pseudo in the function entry sequence. Handle the
9031 pic base being in a pseudo.
9032 (arm_load_pic_register): Handle the pic register being in a pseudo.
9033 (arm_expand_prologue): Only set up the pic register if it is fixed.
9034 (thumb_expand_prologue): Likewise.
9035 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9036 (pic_load_addr_based_insn): Likewise.
9037 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9040 2006-01-18 Ben Elliston <bje@au.ibm.com>
9042 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9043 decimal float modes for all floating point registers.
9045 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9046 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9048 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9051 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9052 even when the pointer is not NULL.
9054 2006-01-16 Ian Lance Taylor <ian@airs.com>
9056 * common.opt (ftoplevel-reorder): New option.
9057 * cgraph.c (cgraph_asm_nodes): New global variable.
9058 (cgraph_asm_last_node): New static variable.
9059 (cgraph_order): New global variable.
9060 (cgraph_create_node): Set new order field.
9061 (cgraph_varpool_node): Likewise.
9062 (decide_is_variable_needed): Return true if not
9063 flag_toplevel_reorder.
9064 (cgraph_add_asm_node): New function.
9065 * cgraph.h (struct cgraph_node): Add order field.
9066 (struct cgraph_varpool_node): Add order field.
9067 (struct cgraph_asm_node): Define.
9068 (cgraph_asm_nodes, cgraph_order): Declare.
9069 (cgraph_add_asm_node): Declare.
9070 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9072 (cgraph_varpool_assemble_pending_decls): Call it.
9073 (cgraph_output_pending_asms): New static function.
9074 (cgraph_finalize_compilation_unit): Call it.
9075 (struct cgraph_order_sort): Define.
9076 (cgraph_output_in_order): New static function.
9077 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9078 !flag_toplevel_reorder case.
9079 * c-parser.c: Include "cgraph.h".
9080 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9082 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9083 than -fno-unit-at-a-time.
9084 * doc/invoke.texi (Option Summary): Mention
9085 -fno-toplevel-reorder.
9086 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9087 -funit-at-a-time documentation.
9089 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9090 Kazu Hirata <kazu@codesourcery.com>
9092 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9094 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9096 * Makefile.in (FUNCTION_H): New. Use it instead of
9097 function.h throughout the file.
9098 * function.h: Include tree.h.
9100 2006-01-17 Ben Elliston <bje@au.ibm.com>
9102 * recog.c: Separate some functions with whitespace.
9104 2006-01-16 Richard Henderson <rth@redhat.com>
9106 Merge from gomp branch:
9107 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9108 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9109 and rename from struct inline_data. Rename callee* to dst*;
9110 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9111 transform_new_cfg, transform_return_to_modify, and
9112 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9114 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9115 (copy_decl_for_dup): Remove.
9116 * tree-inline.c (struct inline_data): Move to header.
9117 (insert_decl_map): Export.
9118 (remap_decl): Update for member name changes. Use copy_decl hook.
9119 Allow for replacement to be a non-decl. Remove dead code.
9120 (remap_type_1): Check for existing mapping.
9121 (remap_type): Export.
9122 (remap_decls): Update for member name changes.
9123 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9124 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9125 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9126 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9127 (tree_function_versioning, build_duplicate_type): Likewise.
9128 (copy_body_r): Likewise. Export.
9129 (copy_decl_for_dup): Split into ...
9130 (copy_decl_for_dup_finish, copy_decl_to_var,
9131 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9132 (replace_ref_tree, inlining_p): Remove.
9134 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9136 * ifcvt.c (if_convert): Make it static.
9137 * rtl.h: Remove the prototype for if_convert.
9139 * local-alloc.c (local_alloc): Make it static.
9140 * rtl.h: Remove the prototype for local_alloc.
9142 * loop.c (loop_optimize): Make it static.
9143 * cfgloop.h: Remove the prototype for loop_optimize.
9146 2006-01-16 DJ Delorie <dj@redhat.com>
9148 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9151 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9153 * pa.md: Disparage copies between general and floating-point registers
9154 in 32-bit move patterns.
9156 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9159 * Makefile.in (check-%): Depend on site.exp instead of
9160 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9163 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9165 * global.c (global_alloc): Make it static.
9166 * rtl.h: Remove the prototype for global_alloc.
9168 2006-01-16 Richard Guenther <rguenther@suse.de>
9170 * tree-ssa-alias.c (struct used_part): Add write_only field.
9171 (get_or_create_used_part_for): Initialize it to true.
9172 (create_overlap_variables_for): Don't create structure variables
9173 for structures that only are written to.
9174 (find_used_portions): Handle MODIFY_EXPR to track whether a
9175 structure is only written to.
9177 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9179 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9181 * basic-block.h: Remove the prototype for
9182 partition_hot_cold_basic_blocks.
9184 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9186 * cppspec.c (lang_specific_spec_functions): Remove.
9187 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9188 * gcc.h (lang_specific_spec_functions): Remove.
9189 * gccspec.c (lang_specific_spec_functions): Remove.
9191 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9193 * combine.c (record_value_for_reg): Invalidate registers
9195 (record_dead_and_set_regs_1): Likewise, by passing them to
9196 record_value_for_reg.
9197 (record_dead_and_set_regs): Invalidate stores made by a
9198 call. We do not combine across a call, but we still
9199 relied on equivalences.
9201 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9203 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9204 vrp_int_const_binop returning non-constant nodes.
9206 2006-01-16 Paul Brook <paul@codesourcery.com>
9208 * config/m68k/m68k.c (output_move_const_into_data_reg):
9209 Output correct mnemonic for mvz and mvs.
9211 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9213 * rtl-factoring.c: Add sequence abstraction algorithm.
9214 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9215 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9217 (block_has_preserve_label): New function.
9218 * common.opt: Register new pass.
9219 * Makefile.in: Ditto.
9221 * timevar.def: Ditto.
9222 * tree-pass.h: Ditto.
9223 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9224 * rtl.h (make_jump_insn_raw): Add forward decl.
9225 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9227 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9228 Roger Sayle <roger@eyesopen.com>
9230 * fold-const.c (fold_minmax): New static function.
9231 (fold_binary) <MIN_EXPR>: Call it.
9232 <MAX_EXPR>: Likewise.
9233 * stor-layout.c (place_field): Use DECL_SIZE consistently
9234 in the computation of the new record size.
9236 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9238 * cse.c (cse_condition_code_reg): Make it static.
9239 * rtl.h: Remove the prototype for cse_condition_code_reg.
9241 * combine.c (combine_instructions): Make it static.
9242 * rtl.h: Remove the prototype for combine_instructions.
9244 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9247 * tree.c (get_file_function_name_long): Concatenate the first global
9248 object name with a string derived from the input filename of the object
9251 2006-01-16 Ben Elliston <bje@au.ibm.com>
9253 * config/i386/winnt-stubs.c: Update FSF address.
9254 * config/xtensa/ieee754-df.S: Ditto.
9255 * config/xtensa/ieee754-sf.S: Ditto.
9257 2006-01-14 Ian Lance Taylor <ian@airs.com>
9259 * ifcvt.c (noce_init_if_info): New static function, broken out of
9260 noce_process_if_block.
9261 (noce_process_if_block): Call noce_init_if_info.
9262 (check_cond_move_block): New static function.
9263 (cond_move_process_if_block): New static function.
9264 (process_if_block): Call cond_move_process_if_block.
9266 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9268 * cselib.c (hash_table): Rename to cselib_hash_table.
9269 (cselib_clear_table, discard_useless_values,
9270 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9271 cselib_init, cselib_finish): Adjust uses of hash_table.
9273 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9275 PR tree-optimization/25485
9276 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9277 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9278 is known to be false and true, respectively.
9280 2006-01-14 Richard Guenther <rguenther@suse.de>
9282 PR tree-optimization/22548
9283 PR tree-optimization/22555
9284 PR tree-optimization/22501
9285 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9286 * params.def (salias-max-array-elements): New parameter.
9287 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9288 * doc/invoke.texi (salias-max-array-elements): Document.
9289 * tree-flow-inline.h (var_can_have_subvars): We also handle
9291 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9293 * tree-ssa-structalias.c (params.h): Include.
9294 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9295 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9296 (get_constraint_for): For ADDR_EXPR operating on something
9297 containing an ARRAY_REF, add all subvars to the solution.
9298 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9299 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9300 for creating MUST_DEFs.
9301 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9303 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9305 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9307 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9308 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9309 number_of_iterations_le): New functions.
9310 (number_of_iterations_special): Removed.
9311 (number_of_iterations_exit): Do not use number_of_iterations_special.
9312 * tree.c (unsigned_type_for): Always return integer type.
9314 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9315 Richard Guenther <rguenther@suse.de>
9317 PR rtl-optimization/24257
9318 * gcse.c (find_moveable_store): Only consider a store movable
9319 when the SET_SRC of the insn can be assigned to a register.
9321 2006-01-14 Ian Lance Taylor <ian@airs.com>
9323 * tree.c (tree_not_class_check_failed): New function.
9324 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9325 (tree_not_class_check_failed): Declare.
9327 2006-01-13 Ian Lance Taylor <ian@airs.com>
9329 * reload1.c (do_output_reload): Add assertion rejecting a
9332 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9334 * combine.c (struct reg_stat): Add new fields truncation_label and
9336 (record_value_for_reg): Reset truncated_to_mode.
9337 (record_truncated_value): New function.
9338 (check_promoted_subreg): Call it. Rename to check_conversions.
9339 (combine_instructions): Rename check_promoted_subreg to
9341 (reg_truncated_to_mode): New function.
9342 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9343 (gen_lowpart_or_truncate): New function.
9344 (force_to_mode): Use it instead of gen_lowpart.
9346 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9348 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9349 VAR is a tag, not its type tag.
9351 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9353 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9354 alternatives to match style of other entries.
9355 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9357 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9359 PR tree-optimization/25771
9360 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9363 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9366 * tree-inline.c (declare_return_variable): If the return variable
9367 was marked as a non gimple complex, set the return slot variable
9368 to be a non gimple comple variable.
9370 2006-01-13 Richard Guenther <rguenther@suse.de>
9372 * builtins.c (expand_builtin_sincos): New function.
9373 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9375 (expand_builtin): Expand sincos using expand_builtin_sincos.
9377 2006-01-12 DJ Delorie <dj@redhat.com>
9379 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9380 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9381 so that constant shifts can be split.
9382 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9383 (m32c_valid_pointer_mode): Make static.
9384 (shift_gen_func_for): New.
9385 (m32c_prepare_shift): Use it. Split large const shifts into
9387 * config/m32c/predicates.md (shiftcount_operand): Allow more
9389 (longshiftcount_operand): New.
9390 * doc/md.texi (Machine Constraints): Document In6.
9392 2006-01-13 Ben Elliston <bje@au.ibm.com>
9394 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9395 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9398 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9400 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9401 to try to avoid clobbering pieces of structures when we know
9402 something about the whole structure.
9403 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9405 2006-01-13 Ben Elliston <bje@au.ibm.com>
9407 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9408 return in memory, as this is no limitation is no longer present.
9410 2006-01-12 DJ Delorie <dj@redhat.com>
9412 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9413 mova with fb, and for fb+0 -> An.
9415 * config/m32c/mov.md (peephole2): Fix enabling logic.
9417 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9418 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9419 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9420 FINI_ARRAY_SECTION_ASM_OP): Define.
9422 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9424 (m32c_legitimize_reload_address): New logic to reload FB to An.
9425 (m32c_output_reg_push): Add newline.
9426 (m32c_output_reg_pop): Likewise.
9428 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9430 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9432 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9434 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9436 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9438 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9441 2006-01-11 Ben Elliston <bje@au.ibm.com>
9443 * rtlanal.c (find_reg_note): Assert insn is not null.
9445 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9447 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9450 2006-01-11 Jeff Law <law@redhat.com>
9452 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9454 (mark_threaded_blocks, register_jump_thread): New functions.
9455 (thread_through_all_blocks): Remove unwanted argument. No
9456 longer rely on e->aux to communicate thread target info.
9457 Call mark_threaded_blocks. Release the threaded_blocks
9458 bitmap and threaded_edges vector when complete.
9459 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9460 (threaded_blocks): Remove.
9461 (tree_ssa_dominator_optimize): Remove initialization and
9462 finalization of threaded_blocks. Simplify call to
9463 thread_through_all_blocks.
9464 (thread_across_edge): Call register_jump_thread rather than
9465 storing thread information into e->aux.
9466 (free_all_edge_infos): Simplify now that e->aux is no longer
9467 used to communicate with thread_through_all_blocks.
9468 * tree-flow.h (thread_through_all_blocks): Update prototype.
9469 (register_jump_thread): Prototype.
9471 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9473 * df-core.c (df_compact_blocks, df_bb_replace): Use
9474 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9476 2006-01-11 Richard Guenther <rguenther@suse.de>
9478 PR tree-optimization/25734
9479 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9480 stop propagation after successful propagation to the LHS.
9482 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9484 * basic-block.h (control_flow_graph): Change the type of
9485 x_basic_block_info to VEC(basic_block,gc) *.
9486 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9488 (SET_BASIC_BLOCK): New.
9489 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9490 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9491 * cfgbuild.c (find_basic_blocks): Likewise.
9492 * cfglayout.c (fixup_reorder_chain): Likewise.
9493 * cfgrtl.c (create_basic_block_structure,
9494 rtl_create_basic_block): Likewise.
9495 * ifcvt.c (find_if_case_1): Likewise.
9496 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9499 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9501 * Makefile.in: Removed rotted odf.c entry.
9503 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9506 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9507 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9508 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9509 output pattern modifier, not %e.
9510 * config/cris/cris.c (cris_op_str): Update comment about pattern
9512 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9513 before falling through into...
9514 <case 'E'>: Redefined from old 'e' case.
9516 2006-01-11 Jan Hubicka <jh@suse.cz>
9519 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9521 2006-01-11 Jan Hubicka <jh@suse.cz>
9523 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9524 * i386.c (x86_decompose_lea): Kill.
9525 (ix86_rtx_costs): Kill.
9527 2006-01-11 Jan Hubicka <jh@suse.cz>
9529 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9530 * cgraph.h (cgraph_node): Add inline_decl.
9531 (cgraph_insert_node_to_hashtable): Declare.
9532 (save_inline_function_body): Declare.
9533 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9535 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9536 (cgraph_function_versioning): Update call of tree_function_versioning.
9537 (save_inline_function_body): New function.
9538 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9539 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9540 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9541 (cgraph_default_inline_p): Likewise.
9542 (cgraph_decide_inlining_incrementally): Likewise.
9543 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9544 (copy_bb): Kill saving; do updating of clones.
9545 (copy_cfg_body): Kill saving.
9546 (initialize_inlined-parameters): Likewise.
9547 (expand_call_inline): Likewise.
9549 (tree_function_versioning): New parameter "update_clones".
9550 (inlining_p): Kill saving.
9551 * tree-inline.h (tree_function_versioning): Update prototype.
9552 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9555 2006-01-11 Ian Lance Taylor <ian@airs.com>
9557 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9558 Allow undoing set of machine mode.
9559 (do_SUBST): Use enums instead of is_int.
9560 (do_SUBST_MODE): New function.
9561 (SUBST_MODE): New macro.
9562 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9563 reg and trying to replace reg_regno_rtx with a new register.
9564 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9565 (simplify_set): Use SUBST_MODE.
9566 (distribute_notes): Remove code that tried to update reg notes
9567 for regno_reg_rtx changes.
9569 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9571 PR tree-optimization/23109
9572 PR tree-optimization/23948
9573 PR tree-optimization/24123
9575 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9576 * tree-cfg.c (single_noncomplex_succ): New.
9577 * tree-flow.h (single_noncomplex_succ): Declare it.
9578 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9579 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9580 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9581 insert_bb, register_division_in, insert_reciprocals,
9582 replace_reciprocal, free_bb): New.
9583 (execute_cse_reciprocals_1): Rewritten.
9584 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9585 Do not commit any edge insertion. Always compute dominators and
9586 create the allocation pool.
9587 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9588 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9589 * targhooks.c (default_min_divistions_for_recip_mul): New.
9590 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9591 * passes.c (init_optimization_passes): Run recip after tree loop
9593 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9595 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9596 Kenneth Zadeck <zadeck@naturalbridge.com>
9598 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9599 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9600 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9601 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9602 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9603 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9604 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9605 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9606 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9607 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9608 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9609 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9610 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9611 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9612 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9613 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9614 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9615 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9616 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9617 DF_SCAN_POST_ALLOC): New macros.
9618 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9619 df_free_bb_function, df_local_compute_function, df_init_function,
9620 df_dataflow_function, df_confluence_function_0,
9621 df_confluence_function_n, df_transfer_function,
9622 df_finalizer_function, df_free_function, df_dump_problem_function,
9623 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9624 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9625 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9626 df_urec_bb_info, ) New types.
9627 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9629 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9630 df_analyze_simple_change_some_blocks,
9631 df_analyze_simple_change_one_block, df_compact_blocks,
9632 df_bb_replace, df_bb_regno_last_use_find,
9633 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9634 df_insn_regno_def_p, df_find_def, df_find_use,
9635 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9636 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9637 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9638 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9639 debug_df_chain, df_get_dependent_problem, df_chain_create,
9640 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9641 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9642 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9643 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9644 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9645 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9646 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9647 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9648 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9649 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9650 df_reorganize_refs, df_set_state, df_hard_reg_init,
9651 df_read_modify_subreg_p) New public functions.
9652 * df-core.c: The core dataflow solver and glue routines for rtl
9654 (df_init, df_add_problem, df_set_blocks, df_finish,
9655 df_hybrid_search_forward, df_hybrid_search_backward,
9656 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9657 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9658 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9659 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9660 df_reg_defined, df_find_use, df_reg_used, df_dump,
9661 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9662 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9663 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9664 debug_df_useno, reset_df_after_reload): New functions.
9665 * df-scan.c: The scanning fuctions, once in df.c, completely
9666 rewritten so that they now fully model the functionality of
9667 register usage at the backend.
9668 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9669 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9670 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9671 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9672 df_get_artificial_defs, df_get_artificial_uses,
9673 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9674 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9675 df_refs_delete, df_reorganize_refs, df_set_state,
9676 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9677 df_def_record_1, df_defs_record, df_uses_record,
9678 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9679 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9680 df_record_exit_block_uses, df_hard_reg_init): New functions.
9682 * df-problems.c: Seven concrete dataflow problems that use the
9683 scanning in df-scan.c and are solved by the engine in df-core.c.
9684 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9685 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9686 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9687 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9688 df_ru_free_bb_info, df_ru_alloc,
9689 df_ru_bb_local_compute_process_def,
9690 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9691 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9692 df_ru_transfer_function, df_ru_free, df_ru_dump,
9693 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9694 df_rd_free_bb_info, df_rd_alloc,
9695 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9696 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9697 df_rd_transfer_function, df_rd_free, df_rd_dump,
9698 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9699 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9700 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9701 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9702 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9703 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9704 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9705 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9706 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9707 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9708 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9709 df_urec_mark_reg_use_for_earlyclobber,
9710 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9711 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9712 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9713 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9714 df_chain_create_bb_process_use, df_chain_create_bb,
9715 df_chain_finalize, df_chain_free, df_chains_dump,
9716 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9717 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9718 df_reg_lifetime): New functions.
9719 * df.c: Deleted file.
9720 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9721 consistent with new df api.
9722 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9723 rest_of_handle_sms): Ditto.
9724 * web.c (unionfind_union, union_defs, entry_register, web_main):
9726 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9727 invariant_expr_equal_p, find_defs, check_dependencies,
9728 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9729 free_inv_motion_data, move_loop_invariants): Ditto.
9730 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9731 Update dependencies.
9732 (odf.c): Added defective entry that was deleted later in day.
9733 * sched-deps.c (sched_analyze_1): Ditto.
9735 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9737 * tree-ssa-operands.c (get_expr_operands): Record addressable
9738 variables directly. Do not call add_stmt_operands for CONST_DECLs
9740 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9741 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9743 2006-01-11 Ben Elliston <bje@au.ibm.com>
9745 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9746 function returns true in the positive case.
9748 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9751 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9752 for SI, DI, SF and DF modes. Add alternatives to copy between
9753 general and floating point registers to the 32-bit patterns.
9754 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9755 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9756 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9757 generating 64-bit code.
9758 * config/pa/pa.c (output_move_double): Handle copies between general
9759 and floating registers.
9761 2006-01-10 Stuart Hastings <stuart@apple.com>
9763 * config/i386/i386.md (set_got): Update.
9764 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9765 (builtin_setjmp_receiver): Mach-O support.
9766 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9767 (GOT_SYMBOL_NAME): Define.
9768 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9769 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9770 * config/i386/i386.c (override_options): Revise for Darwin.
9771 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9772 support. (darwin_x86_file_end): New. (output_set_got): Add label
9773 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9774 * config/i386/i386-protos.h (output_set_got): Likewise.
9775 * config/darwin.c (machopic_legitimize_pic_address): Update
9778 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9780 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9781 when MODE isn't BLKmode.
9783 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9785 PR rtl-optimization/25367
9786 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9788 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9791 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9792 for a negative bound.
9794 2006-01-10 Richard Guenther <rguenther@suse.de>
9796 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9797 Never override with anything constraint.
9799 2006-01-10 Jan Beulich <jbeulich@novell.com>
9801 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9802 256 bits when optimize_size.
9804 2006-01-10 Jan Beulich <jbeulich@novell.com>
9806 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9808 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9809 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9812 2006-01-10 Ben Elliston <bje@au.ibm.com>
9814 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9816 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9817 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9818 (USE_FP_FOR_ARG): Reject decimal float modes.
9819 (function_arg_advance): Likewise.
9820 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9821 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9822 point types in AltiVec vectors.
9823 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9824 (rs6000_libcall_value): Likewise.
9826 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9828 * config/xtensa/ieee754-df.S: New file.
9829 * config/xtensa/ieee754-sf.S: New file.
9830 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9831 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9832 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9834 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9836 * config/sh/predicates.md (binary_float_operator,
9837 binary_logical_operator, commutative_float_operator,
9838 equality_comparison_operator, greater_comparison_operator,
9839 less_comparison_operator, logical_operator,
9840 noncommutative_float_operator, shift_operator,
9841 symbol_ref_operand, unary_float_operator): Remove redundant
9844 2006-01-09 Jeff Law <law@redhat.com>
9846 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9847 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9848 now unused arguments. Callers updated.
9849 (eliminate_redundant_computations): Remove now unused arguments,
9851 (local_fold): Remove, no longer used.
9852 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9854 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9855 (simplify_cond): New function.
9856 (forward_propagate_into_cond): Call simplify_cond.
9858 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9860 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9861 (*vec_extractv2di_1_sse): New.
9863 2006-01-09 Ben Elliston <bje@au.ibm.com>
9865 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9867 2006-01-08 Richard Guenther <rguenther@suse.de>
9869 * tree-ssa-structalias.c (get_constraint_for): Remove
9871 (get_constraint_for_component_ref): Likewise.
9872 (do_deref): Likewise.
9873 (get_constraint_for): Likewise.
9874 (do_structure_copy): Likewise.
9875 (handle_ptr_arith): Likewise.
9876 (find_func_aliases): Likewise. Remove unused need_anyoffset
9879 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9880 Kaz Kojima <kkojima@gcc.gnu.org>
9882 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9883 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9884 (EXTRA_CONSTRAINT_C16): Remove.
9885 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9886 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9887 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9888 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9889 constants of SHmedia. Handle nested constant expressions of
9891 (andcosts): Fix the costs for SHmedia constants.
9892 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9893 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9894 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9895 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9896 (movv4hi_i, movv2si_i): Likewise.
9897 (movsi_const): Adjust the second operand of ior so to match with
9899 (movdi_const, movdi_const_32bit): Likewise.
9900 (movdi_const_16bit+1): Don't sign-extend LOW.
9901 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9903 (*double_shori): Fix the split condition. Use GEN_INT instead
9904 of get_int_mode calls. Mask lower 16-bit of the argument of
9906 (sym2GOTPLT): Remove.
9907 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9909 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9910 instead of EXTRA_CONSTRAINT_C16.
9912 2006-01-07 Ian Lance Taylor <ian@airs.com>
9913 David Edelsohn <edelsohn@gnu.org>
9915 PR rtl-optimization/25662
9916 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9917 for constant operands instead of simplify_gen_binary.
9918 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9919 after trying simplify_binary_operation
9921 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9923 * tree.c (iterative_hash_expr): Hash decls based on UID.
9925 2006-01-06 Eric Christopher <echristo@apple.com>
9927 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9928 (TARGET_UNWIND_EMIT): Fix spelling.
9929 * target.h (gcc_target): Add except_table_label.
9930 * except.c (output_function_exception_table): Use.
9931 * varasm.c (default_emit_except_table_label): New.
9932 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9934 (asm_out): Add here.
9935 * output.h (default_emit_except_table_label): Prototype.
9936 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9937 * config/darwin.c (darwin_emit_except_table_label): Define.
9938 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9940 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9942 PR tree-optimization/18527
9943 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9944 number_of_iterations_special, number_of_iterations_exit):
9945 Move base and step of an iv to a single structure. Add
9946 no_overflow flag, and use it in # of iterations analysis.
9947 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9948 folded_casts argument.
9949 (simple_iv): Pass base and step in a structure. Set no_overflow
9951 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9952 Evaluate expensiveness of computing # of iterations instead of
9953 the final expression.
9954 * tree-scalar-evolution.h (affine_iv): New structure.
9955 (simple_iv): Declaration changed.
9956 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9957 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9958 find_givs_in_stmt): Changed due to simple_iv change.
9960 2006-01-06 Jeff Law <law@redhat.com>
9963 * tree-cfg.c (bsi_replace): Rename final argument from
9964 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9965 change (stmt -> orig_stmt).
9966 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9967 (bsi_remove): Add new argument. Remove EH information
9969 (verify_eh_throw_table_statements): New function.
9970 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9972 * tree-optimize.c (execute_free_cfg_annotations): Verify
9973 the EH throw statement table after removing annotations.
9974 * except.h (verify_eh_throw_table_statements): Prototype.
9975 * tree-flow.h (bsi_remove): Update prototype.
9976 * tree-vrp.c (remove_range_assertions): Add new argument to
9978 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9979 * tree-complex.c (expand_complex_div_wide): Likewise.
9980 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9981 * tree-tailcall.c (eliminate_tailcall): Likewise.
9982 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9983 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9984 * tree-nrv.c (tree_nrv): Likewise.
9985 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9986 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9987 (combine_blocks): Likewise.
9988 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9989 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9990 (cleanup_control_flow): Likewise.
9991 (remove_forwarder_block): Likewise.
9992 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9993 * tree-sra.c (sra_replace): Likewise.
9994 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9995 (forward_propagate_single_use_vars): Likewise.
9996 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9997 * tree-inline.c (expand_call_inline): Likewise.
9998 * tree-vect-transform.c (vect_transform_loop): Likewise.
9999 * tree-outof-ssa.c (rewrite_trees): Likewise.
10000 * tree-cfg.c (make_goto_expr_edges): Likewise.
10001 (cleanup_dead_labels): Likewise.
10002 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10003 (bsi_move_before, bsi_move_after): Likewise.
10004 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10005 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10007 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10010 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10012 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10013 on non gimple variables. Also add checks at the top for decls and
10015 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10017 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10018 and IMAGPART_EXPR for creating MUST_DEFs.
10019 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10020 and NAME_MEMORY_TAG separately from the DECLs.
10022 2006-01-06 Richard Guenther <rguenther@suse.de>
10024 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10025 annotation, if necessary.
10026 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10027 redundant calls to update_stmt.
10028 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10031 2006-01-05 Richard Henderson <rth@redhat.com>
10033 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10035 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10037 * c-typeck.c: Update copyright date.
10039 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10041 * c-typeck.c (build_c_cast): Always warn when casting
10042 from a pointer to an integer of different size, even if
10043 the node was constant.
10045 2006-01-05 Richard Guenther <rguenther@suse.de>
10047 PR tree-optimization/22555
10048 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10049 if one structure field is an array.
10050 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10051 operands even if we found a subvar, but ignore VOPs in this
10053 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10055 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10057 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10059 PR middle-end/24998
10060 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10062 2006-01-05 Richard Guenther <rguenther@suse.de>
10063 Diego Novillo <dnovillo@redhat.com>
10065 * tree-pass.h (TODO_remove_unused_locals): Define.
10066 * gimple-low.c (expand_var_p, remove_useless_vars,
10067 pass_remove_useless_vars): Remove. Update all users.
10068 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10069 (remove_unused_locals): New function.
10070 * tree-flow.h (remove_unused_locals): Declare.
10071 * passes.c (execute_todo): Call remove_unused_locals if
10072 TODO_remove_unused_locals is set.
10073 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10074 * tree-ssa-dce.c (pass_dce): Likewise.
10075 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10077 2006-01-05 Richard Guenther <rguenther@suse.de>
10079 * tree-flow.h (struct fieldoff): Decompose field to
10080 type, size and decl.
10081 * tree-ssa-alias.c (create_sft): Take type as parameter.
10082 (create_overlap_variables_for): Store type, size and decl
10083 in the fieldoff structure.
10084 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10085 of struct fieldoff.
10086 (push_fields_onto_fieldstack): Likewise.
10087 (create_variable_info_for): Likewise. Use offset for the
10088 SFT name if the decl is not available.
10090 2006-01-04 Paul Brook <paul@codesourcery.com>
10092 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10094 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10096 * lambda-code.c (can_put_in_inner_loop): Relax
10098 (can_put_after_inner_loop): New function.
10099 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10100 (perfect_nestify): Change to make copies and modify uses.
10102 2006-01-04 Richard Henderson <rth@redhat.com>
10104 Merge from gomp branch:
10105 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10106 via integer constant.
10107 (pragma_lex): Remove.
10108 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10109 rather than parsing it.
10110 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10111 handle_pragma_extern_prefix): Add %< %> quotes.
10112 (registered_pragmas): New.
10113 (c_register_pragma_1): New.
10114 (c_register_pragma): Use it.
10115 (c_register_pragma_with_expansion): Likewise.
10116 (c_invoke_pragma_handler): New.
10117 (init_pragma): Use cpp_register_deferred_pragma directly for
10119 * c-pragma.h (enum pragma_kind): New.
10120 (pragma_handler): New.
10121 (c_invoke_pragma_handler): Declare.
10122 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10124 * c-common.h (c_common_pch_pragma): Update decl.
10125 * Makefile.in (c-parser.o): Update dependencies.
10126 (GTFILES): Add c-pragma.h.
10127 * c-parser.c (struct c_token): Add pragma_kind.
10128 (struct c_parser): Add in_pragma.
10129 (c_lex_one_token): Always initialize keyword and pragma_kind.
10130 Extract data for CPP_PRAGMA.
10131 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10132 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10133 Don't allow CPP_PRAGMA_EOL if in_pragma.
10134 (c_parser_consume_pragma): New.
10135 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10136 (c_parser_skip_to_end_of_parameter): Likewise.
10137 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10138 (c_parser_skip_to_pragma_eol): New.
10139 (c_parser_external_declaration): Handle CPP_PRAGMA.
10140 (c_parser_compound_statement_nostart): Likewise.
10141 (c_parser_statement_after_labels): Likewise.
10142 (c_parser_pragma): New.
10143 (pragma_lex): Likewise.
10144 (c_parser_pragma_pch_preprocess): New.
10145 (c_parser_new): Merge into ...
10146 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10148 2006-01-04 Jeff Law <law@redhat.com>
10151 * tree-cfg.c (bsi_replace): Remove the original statement
10152 from the EH throw statement table.
10154 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10156 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10157 make the prototype extern "C" and add throw ().
10160 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10161 and pos non-negative and pos + len <= 32.
10162 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10163 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10164 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10167 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10168 as well as sizes not multiple of component size.
10171 * function.c (instantiate_expr): New function.
10172 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10173 walk its DECL_VALUE_EXPR with instantiate_expr.
10175 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10176 DW_OP_deref{,_size} if address isn't going to be added.
10178 2006-01-04 Ben Elliston <bje@au.ibm.com>
10180 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10181 * config/fp-bit.c: Likewise.
10183 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10185 * dominance.c: Add comment about why we use DFS numbering
10188 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10189 Richard Henderson <rth@redhat.com>
10191 Merge from gomp-branch:
10192 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10193 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10195 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10197 PR rtl-optimization/25578
10198 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10199 pass a parameter to simplify_shift_const if changing ASHIFTRT
10202 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10204 * builtins.c (get_builtin_sync_mem): New function.
10205 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10206 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10207 Call get_builtin_sync_mem to generate mem rtx.
10209 2006-01-03 Richard Guenther <rguenther@suse.de>
10212 * stmt.c (add_case_node): Make sure to clear overflow flags
10215 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10217 Merge from gomp-branch.
10218 * config/sparc/sync.md: New file.
10219 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10220 UNSPECV_LDSTUB): New constants.
10221 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10222 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10223 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10226 2006-01-03 Roger Sayle <roger@eyesopen.com>
10228 * combine.c (reg_subword_p): New predicate to test whether the
10229 destination of a set refers to a subword/piece of a register.
10230 (try_combine): Generalize the code to merge the setting of a
10231 pseudo to a constant followed by a set of a subword of that
10232 register to a constant.
10234 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10236 * basic-block.h (control_flow_graph): Change the type of
10237 x_label_to_block_map to VEC(basic_block,gc) *.
10238 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10239 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10241 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10242 VEC(basic_block,heap) *.
10243 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10244 ssa_prop_fini): Adjust the uses of cfg_blocks.
10246 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10248 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10250 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10251 hashing trees instead of a pointer hash.
10252 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10253 compare for MEM_EXPR.
10255 PR rtl-optimization/25130
10256 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10257 when comparing MEMs for GCSE
10259 2006-01-03 Ben Elliston <bje@au.ibm.com>
10261 * targhooks.h (default_decimal_float_supported_p): Declare.
10262 * targhooks.c (default_decimal_float_supported_p): Define.
10263 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10264 `default_decimal_float_supported_p'.
10265 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10267 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10269 * combine.c (apply_distributive_law <SUBREG>): Check
10270 TRULY_NOOP_TRUNCATION.
10272 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10274 * dwarf2out.c (have_switched_text_section): Delete.
10275 (have_multiple_function_sections): New.
10276 (have_location_lists): Make 'bool'.
10277 (add_AT_loc_list): Use 'true' not '1'.
10278 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10279 (output_loc_list): Use have_multiple_function_sections.
10280 (output_ranges): Likewise.
10281 (dwarf2out_begin_function): Set have_multiple_function_sections if
10283 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10284 Check function_section rather than DECL_SECTION_NAME.
10285 (dwarf2out_finish): Use have_multiple_function_sections.
10286 Don't clear have_location_lists.
10288 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10289 Jan Hubicka <jh@suse.cz>
10291 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10292 case of conditional jump jumping to the next instruction.
10293 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10294 cases of conditional jump jumping to the next instruction.
10296 2006-01-02 Jan Hubicka <jh@suse.cz>
10298 * i386.c (*_cost): Add COSTS_N_INSNS.
10299 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10301 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10304 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10306 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10308 * config/arm/arm.c (all_fpus): Fix comment typo.
10309 * config/darwin.c: Likewise.
10310 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10311 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10312 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10314 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10316 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10317 (rs6000_split_compare_and_swapqhi): New.
10318 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10319 (sync_compare_and_swapqhi_internal): New.
10320 * config/rs6000/rs6000-protos.h: Declare.