1 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/27144
4 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5 (record_estimate): Only record constant upper bound.
6 (infer_loop_bounds_from_undefined): Call
7 compute_estimated_nb_iterations just once.
8 (proved_non_wrapping_p): Renamed to ...
9 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10 (convert_step_widening, scev_probably_wraps_p): Call
11 n_of_executions_at_most instead of proved_non_wrapping_p.
12 (substitute_in_loop_info): Do not replace values in bounds.
13 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
16 2006-05-01 Richard Henderson <rth@redhat.com>
19 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
20 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
23 2006-05-01 Roger Sayle <roger@eyesopen.com>
25 * c-typeck.c (parser_build_binary_op): Don't call the function
26 unsigned_conversion_warning to spot operand/result type overflow.
27 (build_binary_op): Instead, call convert_and_check instead of
28 convert to report the problem when the operands are promoted.
29 * c-common.c (unsigned_conversion_warning): Make static.
30 * c-common.h (unsigned_conversion_warning): Delete prototype.
32 2006-05-01 Richard Guenther <rguenther@suse.de>
34 PR tree-optimization/26726
35 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
37 (find_interesting_uses_address): ... we work around here
38 by folding INDIRECT_REFs in the substituted base.
40 2006-05-01 Diego Novillo <dnovillo@redhat.com>
42 * omp-low.c (dump_omp_region): Add newlines.
44 2006-04-30 Roger Sayle <roger@eyesopen.com>
46 * common.opt (Woverflow): New command line option.
47 * c-common.c (constant_expression_warning): Check warn_overflow.
48 (overflow_waring): Pass OPT_Woverflow to warning.
49 (unsigned_conversion_warning): Likewise.
50 (convert_and_check): Likewise.
51 * doc/invoke.texi: Document new command line option.
53 2006-04-30 David Edelsohn <edelsohn@gnu.org>
55 * config/rs6000/rs6000.c (rs6000_override_options): Enable
56 TARGET_NO_FP_IN_TOC for section anchors.
57 (optimization_options): Enable section anchors for all
58 non-"Objective" languages.
60 2006-04-28 Eric Christopher <echristo@apple.com>
62 * config/darwin-c.c (darwin_ms_struct): Move this
63 (darwin_set_default_type_attributes): and this...
64 * config/darwin.c: ... here.
65 * config/darwin.h (darwin_ms_struct): Declare.
67 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
69 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
71 2006-04-28 Roger Sayle <roger@eyesopen.com>
74 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
75 (push_array_bounds): Delete prototype. Change BOUNDS argument to
76 an unsigned HOST_WIDE_INT.
77 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
79 (really_start_incremental_init): No need to call convert because
80 bitsize_zero_node is already of type bitsizetype.
81 (push_init_level): Extract the value of constructor_index as an
82 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
83 (process_init_element): Likewise.
85 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
87 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
88 value before passing to make_relative_prefix.
90 2006-04-28 Alan Modra <amodra@bigpond.net.au>
93 * builtins.c (expand_builtin_memset): Expand val in original mode.
95 2006-04-27 Eric Christopher <echristo@apple.com>
97 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
99 * config/darwin-c.c (darwin_ms_struct): New.
100 (darwin_pragma_ms_struct): Ditto.
101 (darwin_set_default_type_attributes): Ditto.
102 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
103 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
104 Register ms_struct pragma.
105 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
106 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
107 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
108 darwin_set_default_type_attributes if TARGET_MACHO.
110 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
112 PR tree-optimization/26854
113 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
114 * doc/tree-ssa.texi: Update immuse iterator documentation.
115 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
116 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
117 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
118 first_safe_imm_use, next_safe_imm_use): Remove.
119 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
120 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
121 (move_use_after_head): New. Helper function to sort immuses in a stmt.
122 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
123 (first_imm_use_stmt): New. Get first stmt in an immuse list.
124 (next_imm_use_stmt): New. Get next stmt in an immuse list.
125 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
126 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
127 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
128 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
129 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
130 (perfect_nestify): Use new iterator.
131 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
133 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
134 (next_imm_name): New field in struct immediate_use_iterator_d.
135 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
136 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
137 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
138 * tree-cfg.c (replace_uses_by): Use new iterator.
139 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
140 * tree-ssa-operands.c (correct_use_link): Remove.
141 (finalize_ssa_use_ops): No longer call correct_use_link.
143 2006-04-27 Stuart Hastings <stuart@apple.com>
145 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
146 * config/t-darwin (crt3.o): Use it.
147 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
148 'pmode', use Pmode instead of SImode for SYMBOL_REF.
149 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
150 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
151 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
154 2006-04-27 Roger Sayle <roger@eyesopen.com>
156 * expmed.c (store_fixed_bit_field): If we're not optimizing for
157 size, force the intermediate into a new pseudo rather instead of
158 performing both a bitwise AND and a bitwise IOR in memory.
160 2006-04-27 Richard Guenther <rguenther@suse.de>
162 PR rtl-optimization/26685
163 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
164 this one "max-flow-memory-locations".
166 2006-04-27 Richard Guenther <rguenther@suse.de>
168 PR tree-optimization/25148
169 * tree-vrp.c (compare_values): Remove code dealing with
170 comparisons against type min/max value. Honour overflow
171 and negative constants in code dealing with comparisons
172 of plus and minus expressions.
173 (value_inside_range): Use fold_binary with LE_EXPR and
174 GE_EXPR rather than compare_values.
176 2006-04-27 Dirk Mueller <dmueller@suse.de>
178 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
181 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
183 * basic-block.h (safe_insert_insn_on_edge): Removed.
184 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
187 2006-04-26 David Edelsohn <edelsohn@gnu.org>
188 Paolo Bonzini <bonzini@gnu.org>
191 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
192 (simplify_and_const_int): Same.
194 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
196 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
198 2006-04-26 Jakub Jelinek <jakub@redhat.com>
201 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
202 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
203 cgraph_global_info_ready.
206 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
209 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
210 either decl or init is error_mark_node.
213 * tree-flow.h (struct omp_region): Add sched_kind.
214 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
215 instead of extracting omp for data.
216 (expand_omp_for): Save extracted sched_kind.
218 2006-04-25 Roger Sayle <roger@eyesopen.com>
220 * expmed.c (store_bit_field): Also check whether the bitsize is
221 valid for the machine's "insv" instruction before moving the
222 target into a pseudo for use with the insv.
223 * config/i386/predicates.md (const8_operand): New predicate.
224 * config/i386/i386.md (extv, extzv, insv): Use the new
225 const8_operand predicate where appropriate.
227 2006-04-25 DJ Delorie <dj@redhat.com>
229 * doc/install.texi (Specific): Clarify that this is not a list of
230 supported hosts or targets.
232 2006-04-25 Richard Sandiford <richard@codesourcery.com>
234 PR rtl-optimization/26725
235 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
236 block's BB_DIRTY flag.
238 2006-04-25 Geoffrey Keating <geoffk@apple.com>
240 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
243 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
246 2006-04-25 David Edelsohn <edelsohn@gnu.org>
248 * varasm.c (align_variable): New function.
249 (get_block_for_decl): Apply align_variable to DECL before
250 calculating section information.
251 (assemble_variable): Split out alignment computation.
253 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
255 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
258 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
260 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
261 MODE_PARTIAL_INT mode.
262 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
263 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
265 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
266 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
268 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
270 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
272 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
273 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
274 MACFLAG_IH): Likewise.
275 (movstricthi_1): Renamed from "*movstricthi".
276 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
277 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
278 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
279 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
280 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
281 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
282 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
283 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
284 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
285 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
286 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
287 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
288 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
289 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
290 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
292 * doc/rtl.texi (ss_ashift): Improve wording.
294 2006-04-24 Geoffrey Keating <geoffk@apple.com>
296 * dwarf2out.c (verify_marks_clear): New.
297 (prune_unused_types): Call verify_marks_clear initially, not
300 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
302 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
303 * doc/rtl.texi: Document them.
304 * simplify-rtx.c (simplify_unary_operation,
305 simplify_binary_operation_1): Don't abort when we see them.
307 2006-04-24 Mark Mitchell <mark@codesourcery.com>
310 2006-04-23 Mark Mitchell <mark@codesourcery.com>
311 * configure.ac: Completely disregard languages that are not
313 * configure: Regenerated.
315 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
316 Richard Guenther <rguenther@suse.de>
318 PR tree-optimization/27236
319 * tree-inline.c (copy_body_r): Make sure to copy
320 TREE_THIS_VOLATILE flag.
322 2006-04-24 Richard Guenther <rguenther@suse.de>
325 * tree-complex.c (update_parameter_components): Don't handle
326 unused parameters which have no default def.
328 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
329 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/27218
332 * tree-inline.c (expand_call_inline): Strip useless type
333 conversions for the return slot address.
335 2006-04-24 Richard Guenther <rguenther@suse.de>
337 * cfgloop.h (struct loops): Remove unused field array. Reorder
339 (LOOP_PREFETCH): Remove.
341 2006-04-24 Richard Guenther <rguenther@suse.de>
343 PR tree-optimization/22525
344 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
345 variable, adjust types of generated expressions.
347 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
349 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
350 (tree-vect-patterns.o): Likewise.
352 (cselib.o): Likewise.
353 (loop-doloop.o): Likewise.
354 (regclass.o): Likewise.
355 (reload1.o): Likewise.
356 (explow.o): Replace target.h with $(TARGET_H).
357 (ipa-prop.o): Likewise.
358 (ipa-cp.o): Likewise.
359 (ipa-inline.o): Likewise.
361 (reg-stack.o): Likewise.
363 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
365 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
367 2006-04-23 Mark Mitchell <mark@codesourcery.com>
369 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
371 * configure.ac: Completely disregard languages that are not
373 * configure: Regenerated.
376 * c-common.h (c_build_bitfield_integer_type): Declare.
377 * c-decl.c (c_build_bitfield_integer_type): Move to ...
378 * c-common.c (c_build_bitfield_integer_type): ... here.
380 2006-04-23 Roger Sayle <roger@eyesopen.com>
383 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
384 a SImode SUBREG of a floating point register after no_new_pseudos.
386 2006-04-23 Roger Sayle <roger@eyesopen.com>
388 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
389 identify potentially eliminable registers to additionally catch
390 VIRTUAL_INCOMING_ARGS_REGNUM.
391 (addsi3): Update the conditions on when to use addsi_small_int.
393 2006-04-23 Roger Sayle <roger@eyesopen.com>
396 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
397 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
398 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
400 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
402 * fold-const.c (range_predecessor): Use operand_equal_p
403 as the predicate for equality.
404 (range_successor): Likewise.
406 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
409 * config/soft-fp/op-common.h: Fix a typo.
411 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
414 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
415 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
417 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
419 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
421 * doc/tm.texi: Fix a typo.
423 2006-04-21 Geoffrey Keating <geoffk@apple.com>
425 * dwarf2out.c (struct die_struct): Document that die_sib makes
426 a circular linked list.
427 (FOR_EACH_CHILD): New.
428 (reverse_die_lists): Delete.
429 (reverse_all_dies): Delete.
430 (add_dwarf_attr): Correct documentation.
431 (remove_child_with_prev): New.
432 (remove_child_TAG): Update for change to die_struct, use
433 remove_child_with_prev.
434 (add_child_die): Update for change to die_struct.
435 (splice_child_die): Use remove_child_with_prev and add_child_die.
436 (print_die): Use FOR_EACH_CHILD.
437 (die_checksum): Likewise.
438 (assign_symbol_names): Likewise.
439 (output_location_lists): Likewise.
440 (build_abbrev_table): Likewise.
441 (calc_die_sizes): Likewise.
442 (mark_dies): Likewise.
443 (unmark_dies): Likewise.
444 (unmark_all_dies): Likewise.
445 (output_die): Likewise.
446 (prune_unused_types_mark): Likewise.
447 (prune_unused_types_walk): Likewise.
448 (same_die_p): Update for change to die_struct.
449 (break_out_includes): Likewise.
450 (prune_unused_types_prune): Likewise.
451 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
452 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
454 (dwarf2out_finish): Don't call reverse_all_dies.
456 2006-04-21 Eric Christopher <echristo@apple.com>
458 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
459 in comments and function names.
461 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
464 * c-typeck.c (digest_init): Robustify.
466 * c-typeck.c (pop_init_level): Simplify.
468 2006-04-21 Steve Ellcey <sje@cup.hp.com>
470 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
472 2006-04-21 Paul Brook <paul@codesourcery.com>
474 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
475 hardware floating point.
477 2006-04-21 David Edelsohn <edelsohn@gnu.org>
479 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
482 2006-04-21 Nick Clifton <nickc@redhat.com>
484 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
487 2006-04-21 Alan Modra <amodra@bigpond.net.au>
490 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
491 C++ lang type in traceback table for Objective-C++.
493 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
495 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
497 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
499 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
502 * tree-mudflap.c (mudflap_finish_file): Skip function when there
503 were errors. Remove check for erroneous objects.
505 2006-04-20 Jeff Law <law@redhat.com>
507 PR tree-optimization/26854
508 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
509 checking for zero or one use.
510 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
511 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
512 * tree-ssa-reassoc.c (negate_value): Similarly.
513 (reassociate_bb): Similarly.
515 2006-04-20 Jakub Jelinek <jakub@redhat.com>
517 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
518 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
519 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
521 2006-04-20 Alan Modra <amodra@bigpond.net.au>
523 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
524 fp regs if the last fp arg doesn't fit in regs.
526 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
529 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
530 that the last insn has the REG_INC note.
532 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
533 Nathan Sidwell <nathan@codesourcery.com>
536 * stor-layout.c (update_alignment_for_field): Do not align
538 (place_union_field): Place union field at the start of the union.
539 (place_field): Move ERROR_MARK check later, and use the current
540 allocation position to maintain monotonicity.
542 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
544 * dominance.c: Include timevar.h.
545 (calculate_dominance_info): Use TV_DOMINANCE.
546 * timevar.def (TV_DOMINANCE): New timevar.
547 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
549 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
551 PR rtl-optimization/14261
552 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
553 move would be an INSV insn.
554 (noce_process_if_block): Don't optimize if the destination is a
555 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
557 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
559 * config/s390/s390.md: Add comments with the instructions emitted
560 by an insn pattern if macros are used.
562 2006-04-19 Alan Modra <amodra@bigpond.net.au>
564 PR rtl-optimization/26026
565 * fold-const.c (fold_binary): Optimize div and mod where the divisor
566 is a known power of two shifted left a variable amount.
568 2006-04-18 Geoffrey Keating <geoffk@apple.com>
570 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
571 to hash table twice when the debug_str section has SECTION_MERGE.
573 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
575 * config/soft-fp: New directory. From glibc.
576 * config/soft-fp/t-softfp: New.
577 * config/soft-fp/README: New.
578 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
579 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
580 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
581 (LIBGCC_DEPS): Add $(SFP_MACHINE).
582 * config.gcc: Use rs6000/t-fprules-fpbit or
583 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
585 * config/rs6000/sfp-machine.h: New. Based on glibc.
586 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
588 * config/rs6000/t-fprules: Remove fp-bit rules.
589 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
590 * config/rs6000/t-linux64: Likewise. Remove duplicates from
591 LIB2FUNCS_EXTRA. Remove fp-bit rules.
592 (softfp_wrap_start, softfp_wrap_end): New.
594 2006-04-18 DJ Delorie <dj@redhat.com>
596 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
598 2006-04-18 Devang Patel <dpatel@apple.com>
600 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
602 2006-04-18 Nick Clifton <nickc@redhat.com>
604 * config/sh/t-symbian: Add rule to build sh-c.o
605 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
606 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
607 (sh_symbian_encode_section_info): Likewise.
609 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
611 * builtins.c (expand_builtin_strcmp): Cover label definition of
612 do_libcall with HAVE_cmpstrnsi.
614 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
616 * function.c (temp_slots_at_level, max_slot_level): Use VEC
618 * function.h (temp_slot_p): New.
619 (function): Change the type of x_used_temp_slots to
620 VEC(temp_slot_p,gc) *.
622 2006-04-18 Nick Clifton <nickc@redhat.com>
624 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
625 flag_strength_reduce.
627 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
629 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
633 Partial revert of revision 112637
634 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
635 Dale Johannesen <dalej@apple.com>
638 * regclass.c (struct reg_pref): Update documentation.
639 (regclass): Set prefclass to NO_REGS if memory is the best option.
640 (record_reg_classes): Cope with a prefclass set to NO_REGS.
642 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
644 PR tree-optimization/26821
645 * tree-ssa-math-opts.c (get_constant_one): New.
646 (insert_reciprocals): Use it.
648 2006-04-17 Geoffrey Keating <geoffk@apple.com>
650 * dwarf2out.c (free_AT): Delete.
651 (remove_AT): Update string ref counts.
652 (remove_child_TAG): Don't call free_die.
654 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
656 (prune_unused_types_walk_attribs): Reset string refcounts.
657 (prune_unused_types_update_strings): New.
658 (prune_unused_types_prune): Don't make unnecessary stores. Don't
659 call free_die. Do call prune_unused_types_update_strings.
660 (prune_unused_types): Empty debug_str_hash.
662 2006-04-17 Roger Sayle <roger@eyesopen.com>
664 * expr.c (expand_assignment): Optimize away no-op moves where the
665 source and destination are equal and have no side-effects.
667 2006-04-17 Richard Guenther <rguenther@suse.de>
670 * reload.c (push_reload): Guard calls to get_secondary_mem
673 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
675 * alias.c (reg_base_value, old_reg_base_value): Change the
676 type to VEC(rtx,gc) *.
677 (REG_BASE_VALUE, find_base_value, record_set,
678 init_alias_analysis): Use VEC instead of VARRAY.
680 * alias.c (alias_sets): Change the type to
681 VEC(alias_set_entry,gc) *.
682 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
683 VEC instead of VARRAY.
684 (last_alias_set): Remove.
686 * cgraph.h (cgraph_edge_p): New.
687 Update the prototype of cgraph_function_versioning.
688 * cgraphunit.c (cgraph_copy_node_for_versioning,
689 cgraph_function_versioning): Use VEC instead of VARRAY.
690 * ipa-cp.c (ipcp_insert_stage): Likewise.
692 2006-04-16 Roger Sayle <roger@eyesopen.com>
695 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
696 "A op B" or "A op C", we may need to convert A to the type of B and C.
698 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
700 * target.h (struct gcc_target): Add mode_rep_extended.
701 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
702 (init_num_sign_bit_copies_in_rep): Initialize it using
704 (truncate_to_mode): Use it.
705 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
706 * targhooks.h (default_mode_rep_extended): Declare it.
707 * targhooks.c (default_mode_rep_extended): Define it.
708 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
709 default_mode_rep_extended.
710 (TARGET_INITIALIZER): Include it.
711 * doc/tm.texi (Misc): Document it.
712 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
713 (mips_truncated_to_mode): New function.
715 2006-04-16 Roger Sayle <roger@eyesopen.com>
718 * expr.c (compress_float_constant): Copy the narrow constant into
719 a new pseudo before extending it to its final width.
721 2006-04-16 Roger Sayle <roger@eyesopen.com>
722 Andrew Pinski <pinskia@gcc.gnu.org>
723 Dale Johannesen <dalej@apple.com>
726 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
727 special case code to implement V8HImode and V16QImode with SSE2.
729 2006-04-15 Roger Sayle <roger@eyesopen.com>
731 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
732 trees are constructed with a suitable tree type.
734 2006-04-15 Roger Sayle <roger@eyesopen.com>
736 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
737 (integer_onep): Likewise.
738 (integer_all_onesp): Likewise.
739 (integer_pow2p): Likewise.
740 (integer_nonzerop): Likewise.
741 (real_zerop): Likewise.
742 (real_onep): Likewise.
743 (real_twop): Likewise.
744 (real_minus_onep): Likewise.
745 (int_size_in_bytes): Likewise.
746 (host_integerp): Likewise.
748 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
750 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
751 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
752 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
754 * tree-ssa-structalias.h (alias_info): Remove num_references.
756 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
758 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
759 (output_bvb patterns): Likewise.
760 * pa.c (output_bb): Use 'bb' insn for long branch case.
761 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
762 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
763 1. Correct length operand for alternatives 1 and 2.
764 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
765 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
767 2006-04-14 Roger Sayle <roger@eyesopen.com>
769 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
770 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
771 were accidentally reverted by r112959.
773 2006-04-15 Jakub Jelinek <jakub@redhat.com>
776 * except.h (eh_region_outermost): New prototype.
777 * except.c (eh_region_outermost): New function.
778 * tree-cfg.c (find_outermost_region_in_block): Use it.
780 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
782 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
784 * reload1.c (reg_equiv_memory_loc_varray): Rename to
785 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
786 (init_reload, reload): Use VEC instead of VARRAY.
787 * reload.h: Update the prototype for
788 reg_equiv_memory_loc_varray.
790 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
791 Eric Botcazou <ebotcazou@libertysurf.fr>
793 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
796 2005-04-13 Uros Bizjak <uros@kss-loka.si>
799 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
800 to expand fallback builtin function call.
802 2006-04-14 Alan Modra <amodra@bigpond.net.au>
805 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
806 and emit libcall here in case the builtin fails.
807 (expand_builtin_strcmp): Always emit the libcall here on failure.
809 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
811 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
812 * flow.c (reg_n_info): Change the type to
813 VEC(reg_info_p,heap) *.
814 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
816 * regs.h (reg_info_p): New.
817 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
818 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
819 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
822 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
824 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
826 * params.h (MAX_SCHED_READY_INSNS): New macro.
827 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
828 past MAX_SCHED_READY_INSNS during the first scheduling pass.
829 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
830 the ready list for 1 cycle during the first scheduling pass.
831 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
833 2006-04-13 Richard Henderson <rth@redhat.com>
836 * gimple-low.c (lower_omp_directive): Remove dead code.
837 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
838 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
839 * omp-low.c (struct omp_region): Move to tree-flow.h.
840 (root_omp_region): Export.
841 (omp_regions, lookup_omp_region): Remove.
842 (determine_parallel_type): Update for struct omp_region changes.
843 (dump_omp_region): Dump regions with block numbers.
844 (new_omp_region): Take type and block instead of stmt; malloc
846 (free_omp_region_1, free_omp_regions): New.
847 (expand_parallel_call): Take entry_stmt as argument; update for
848 changes to omp_region.
849 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
850 (remove_exit_barriers): New.
851 (expand_omp_parallel): Update for struct omp_region changes.
852 (expand_omp_synch): Likewise.
853 (expand_omp): Likewise.
854 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
855 (expand_omp_for_static_chunk): Likewise.
856 (expand_omp_for): Likewise.
857 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
858 (expand_omp_sections): Similarly, with GOMP_sections_end.
859 (expand_omp_single): New.
860 (build_omp_regions_1): Update for OMP_CONTINUE.
861 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
862 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
863 OMP_SECTIONS_SECTIONS.
864 (lower_omp_single_simple): Don't emit barrier here.
865 (lower_omp_single_copy): Likewise.
866 (lower_omp_single): Fix bindings, and lower to straightline now.
867 (lower_omp_master, lower_omp_ordered): Likewise.
868 (lower_omp_critical): Likewise.
869 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
870 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
871 omp edges, free it afterward.
872 (make_omp_sections_edges): Remove.
873 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
874 (move_stmt_r): Handle OMP_CONTINUE.
875 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
876 statement pointers to basic blocks. Add type member.
877 (root_omp_region, new_omp_region, free_omp_regions): Declare.
878 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
879 * tree-inline.c (estimate_num_insns_1): Likewise.
880 * tree-pretty-print.c (dump_generic_node): Likewise.
881 * tree-ssa-operands.c (get_expr_operands): Likewise.
882 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
883 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
885 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
886 (OMP_SECTIONS_SECTIONS): Remove.
887 (OMP_SECTION_LAST): New.
888 (OMP_RETURN_NOWAIT): New.
890 2006-04-13 Roger Sayle <roger@eyesopen.com>
892 * fold-const.c (native_encode_vector, native_interpret_real):
893 Correct obvious mistakes in the previous check-in.
895 2006-04-13 Roger Sayle <roger@eyesopen.com>
897 * fold-const.c (native_encode_expr): New function to encode
898 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
899 or VECTOR_CST into a specified buffer.
900 (native_encode_int): New function.
901 (native_encode_real): New function.
902 (native_encode_complex): New function.
903 (native_encode_vector): New function.
904 (native_interpret_expr): Inverse of native_encode_expr to convert
905 a target representation into an INTEGER_CST, REAL_CST etc...
906 (native_interpret_int): New function.
907 (native_interpret_real): New function.
908 (native_interpret_complex): New function.
909 (native_interpret_vector): New function.
910 (fold_view_convert_expr): New function to constant fold/evaluate
911 a VIEW_CONVERT_EXPR of a suitable constant expression.
912 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
913 Change call of build1 to fold_build1 when constructing a
916 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
917 Ulrich Weigand <uweigand@de.ibm.com>
920 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
923 2006-04-13 Alan Modra <amodra@bigpond.net.au>
926 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
927 optimize to lo_sum for DFmode if !TARGET_FPRS.
929 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
931 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
932 delete_alias_info, compute_flow_sensitive_aliasing,
933 group_aliases): Use VEC instead of VARRAY.
934 * tree-ssa-structalias.c (update_alias_info): Likewise.
935 * tree-ssa-structalias.h (alias_info): Change the type of
936 processed_ptrs to VEC(tree,heap) *.
938 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
941 * config/sh/lib1funcs.h: New file, broken out of:
942 * config/sh/lib1funcs.asm.
943 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
945 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
946 * config/sh/lib1funcs-Os-4-200.asm: New file.
947 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
948 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
949 (EXTRA_MULTILIB_PARTS): Include it.
950 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
951 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
952 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
953 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
956 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
958 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
959 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
960 tpa_compact, root_var_init, type_var_init): Use VEC instead of
962 * tree-ssa-live.h: Include vecprim.h.
963 (tree_partition_associator_d): Change the type of
964 first_partition to VEC(int,heap) *.
965 (tpa_first_partition): Use VEC instead of VARRAY.
967 * Makefile.in (GTFILES): Move functions.h after tree.h.
968 * function.c (reset_block_changes, record_block_change,
969 check_block_change, free_block_changes): Use VEC instead of
971 * function.h (function): Change the type of
972 ib_boundaries_block to VEC(tree,gc) *.
973 * tree-inline.c (copy_cfg_body): Initialize
974 ib_boundaries_block to NULL instead of (varray_type) 0.
976 2006-04-12 Roger Sayle <roger@eyesopen.com>
978 * expr.c (emit_group_store): Correct operand order in call to
979 subreg_lowpart_offset. Always create paradoxical SUBREGs with
980 a SUBREG_BYTE of zero.
982 2006-04-12 Richard Guenther <rguenther@suse.de>
984 * profile.c (compute_branch_probabilities): Remove code
985 encapsulated in !ir_type (), which are remanents of the
986 removed RTL profiling code.
987 * rtl-profile.c: Remove.
989 2006-04-12 Alan Modra <amodra@bigpond.net.au>
991 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
992 magic NULL_RTX comment.
993 (function_arg): Store entire fp arg to mem if any part should go
995 (rs6000_arg_partial_bytes): Adjust for above change.
997 2006-04-11 Roger Sayle <roger@eyesopen.com>
999 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1000 if it hasn't been initialized by dwarf2out_init.
1002 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1004 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1005 symbolic constants in branch patterns.
1007 2006-04-11 Roger Sayle <roger@eyesopen.com>
1009 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1011 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1013 PR rtl-optimization/27073
1014 * gcse.c (try_replace_reg): Revert last change. Continue to search
1015 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1018 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1020 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1021 aggregate types other than record and union types.
1022 (function_arg): Likewise.
1023 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1025 (function_value): In 64-bit mode, return objects that require it
1028 2006-04-11 Roger Sayle <roger@eyesopen.com>
1030 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1032 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1034 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1036 2006-04-03 Jeff Law <law@redhat.com>
1039 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1040 alias information too.
1042 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1044 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1046 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1049 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1050 (premark_used_types_helper): New.
1051 (premark_used_types): New.
1052 (gen_subprogram_die): Call premark_used_types.
1053 (prune_unused_types_walk): Do not prune perennial dies.
1054 * function.c (used_types_insert): New.
1055 * function.h (struct function): Add used_types_hash field.
1056 (used_types_insert): Add prototype.
1057 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1058 * c-parser.c (c_parser_cast_expression): Save casted types in used
1061 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1064 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1065 rs6000_explicit_options.float_gprs.
1067 2006-04-10 Roger Sayle <roger@eyesopen.com>
1069 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1070 from ix86_expand_vector_init_low_nonzero. Take an additional
1071 one_var argument indicating which element is non-zero. Support
1072 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1073 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1074 with one_var instead of ix86_expand_vector_init_low_nonzero.
1076 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1078 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1079 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1080 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1081 build/genextract.o): Depend on vecprim.h.
1082 * cfglayout.c, df-problems.c, function.c, genextract.c,
1083 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1084 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1088 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1090 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1091 Declare VECs of this type.
1092 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1093 (remove_children): Delete.
1094 (add_dwarf_attr): Use VEC routines.
1095 (add_AT_flag): Update for changes to add_dwarf_attr.
1096 (add_AT_int): Likewise.
1097 (add_AT_unsigned): Likewise.
1098 (add_AT_long_long): Likewise.
1099 (add_AT_vec): Likewise.
1100 (add_AT_string): Likewise.
1101 (add_AT_die_ref): Likewise.
1102 (add_AT_fde_ref): Likewise.
1103 (add_AT_loc): Likewise.
1104 (add_AT_loc_list): Likewise.
1105 (add_AT_addr): Likewise.
1106 (add_AT_lbl_id): Likewise.
1107 (add_AT_lineptr): Likewise.
1108 (add_AT_macptr): Likewise.
1109 (add_AT_offset): Likewise.
1110 (add_AT_range_list): Likewise.
1111 (get_AT): Use VEC_iterate.
1112 (remove_AT): Use VEC_ordered_remove.
1113 (free_die): Fold remove_children into here; have it use VEC_iterate.
1114 (print_die): Use VEC_iterate on attrs.
1115 (reverse_die_lists): Don't reverse attr lists.
1116 (die_checksum): Use VEC_iterate on attrs.
1117 (same_die_p): Likewise.
1118 (output_location_lists): Likewise.
1119 (build_abbrev_table): Likewise.
1120 (size_of_die): Likewise.
1121 (unmark_all_dies): Likewise.
1122 (output_abbrev_section): Likewise.
1123 (output_die): Likewise.
1124 (prune_unused_types_walk_attribs): Likewise.
1126 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1128 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1130 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1133 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1135 2006-04-09 Roger Sayle <roger@eyesopen.com>
1137 * expr.c (store_constructor): Don't bother clearing target if
1138 we're about to assign a vector to it using vec_init_optab.
1140 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1142 * tree-ssa-alias.c (lhs_may_store_to): New function.
1143 (recalculate_used_alone): Handle LHS of calls.
1145 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1149 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1150 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1151 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1152 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1153 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1154 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1155 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1156 stubs. Add ".align 8" directives before all ".dword" directives.
1157 (GTHREAD_USE_WEAK): Revise comment.
1158 (TARGET_ATTRIBUTE_WEAK): Define.
1159 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1160 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1161 * stublib.c: New file.
1166 * pa.md (cbranch patterns): Revise arguments used in calls to
1167 output_cbranch, output_bb and output_bvd. Add long branch length
1169 (fbranch patterns): Handle long branches.
1170 (jump): Revise length check. Revise arguments for output_lbranch call.
1171 Add long branch length attributes.
1172 (decrement_and_branch_until_zero): Add long branch length attributes.
1173 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1174 Likewise. Revise arguments for output_parallel_addb and
1175 output_parallel_movb calls.
1176 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1177 output_parallel_movb and output_parallel_addb): Update prototypes.
1178 * pa.c (output_cbranch): Revise arguments. Correct handling of
1179 nullification in long branches.
1180 (output_lbranch): Add new argument to control extraction of delay
1182 (output_bb): Handle long branches.
1183 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1184 output_parallel_addb): Likewise.
1186 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1188 PR rtl-optimization/27073
1189 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1192 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1194 * tree.h (tree_memory_tag): Add old_used_alone.
1195 (SMT_OLD_USED_ALONE): New macro.
1196 * tree-ssa-alias.c (recalculate_used_alone): Stop
1197 marking things for renaming unnecessarily.
1199 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1201 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1202 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1203 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1204 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1205 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1206 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1207 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1208 spelling convensions.
1209 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1210 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1211 typos. Follow spelling conventions.
1213 2006-04-07 DJ Delorie <dj@redhat.com>
1215 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1216 passed on the stack.
1217 (m32c_init_cumulative_args): When a function returns a structure,
1218 always pass the pointer to that return area on the stack.
1219 (m32c_function_arg_advance): Don't increment the parameter number
1220 if we're processing the returned structure pointer.
1221 (pushm_info): Reverse order of registers.
1223 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1225 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1226 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1227 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1228 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1230 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1231 chrec_fold_multiply): Same.
1232 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1233 force_expr_to_var_cost): Same.
1234 * tree-mudflap.c (mf_xform_derefs_1): Same.
1235 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1237 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1239 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1240 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1243 2006-04-07 Jan Hubicka <jh@suse.cz>
1245 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1247 2006-04-07 Richard Guenther <rguenther@suse.de>
1249 PR tree-optimization/26135
1250 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1251 loads for store copy-prop.
1252 (copy_prop_visit_stmt): Likewise.
1254 2006-04-05 Robert Millan <robertmh@gnu.org>
1256 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1257 being overriden in config/k*bsd-gnu.h.
1258 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1260 * gcc/config/knetbsd-gnu.h: Ditto.
1262 2006-04-06 Jan Hubicka <jh@suse.cz>
1266 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1269 2006-04-06 Mike Stump <mrs@apple.com>
1271 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1272 for HAVE_nonlocal_goto to be consistent.
1273 (expand_builtin_nonlocal_goto): Likewise.
1274 (expand_builtin_strcmp): Use #ifdef instead of #if
1275 for HAVE_cmpstrnsi to be consistent.
1277 2006-04-05 DJ Delorie <dj@redhat.com>
1279 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1282 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1284 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1285 got-relative addressing for anything but SImode.
1287 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1288 even if the calling function doesn't modify them.
1290 2006-04-05 Richard Guenther <rguenther@suse.de>
1292 PR tree-optimization/26919
1293 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1294 to cgraph_estimate_size_after_inlining.
1296 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1298 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1300 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1302 PR tree-optimization/26996
1303 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1304 VECTOR_TYPE variables.
1306 2006-04-05 Richard Guenther <rguenther@suse.de>
1308 PR tree-optimization/26763
1309 * fold-const.c (fold_comparison): Move folding of
1310 PTR + CST CMP PTR + CST ...
1311 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1313 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1315 * doc/install.texi (Prerequisites): Refine some wording on
1316 bootstrapping and ksh.
1317 Move the version numbers of DejaGnu here from the testing section
1318 and fix casing of names.
1319 Fix markup and clarify wording for autogen requirements.
1320 Refer to GCJ instead of just java.
1321 Refer to SVN instead of CVS.
1322 Describe diffutils as useful instead of necessary.
1323 (Downloading the source): Refer to SVN instead of CVS.
1324 Adjust a link to our web site accordingly.
1325 (Configuration): Fix casing of Bison.
1326 (Building): Refer to SVN instead of CVS.
1327 Fix a sentence on the use of Bison and remove duplicate (and
1328 incorrect) version number of Bison requirement.
1329 Remove one redundant list of packages needed for building.
1330 (Specific): Avoid reference to CVS.
1332 2006-04-04 Eric Christopher <echristo@apple.com>
1334 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1335 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1336 (rs6000_handle_struct_attribute): New.
1337 (rs6000_ms_bitfield_layout_p): Ditto.
1339 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1341 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1342 NULL for dso parameter to atexit_common.
1344 2006-04-04 Eric Christopher <echristo@apple.com>
1346 * config/i386/i386.c (machopic_output_stub): Output \t
1347 between instructions and operands.
1349 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1351 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1352 satisfies_constraint_[IL] to explicit tests on value.
1354 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1356 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1357 set_nb_iterations_in_loop): Use build_int_cst instead of
1359 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1360 build_int_cst instead of convert.
1362 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1364 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1365 new value 2 for incoming.
1366 * function.c (expand_function_start): Call struct_value_rtx
1368 * config/sparc/sparc.md: Comment updated_return.
1369 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1370 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1371 struct return if sparc_std_struct_return and incoming is 2.
1372 (print_operand): Do not adjust return if
1373 sparc_std_struct_return.
1375 2006-04-04 Roger Sayle <roger@eyesopen.com>
1377 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1378 convert in the middle-end.
1379 * expr.c (store_expr, store_constructor, get_inner_reference,
1380 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1382 * tree.c (build_range_type): Likewise.
1384 2006-04-04 Tom Tromey <tromey@redhat.com>
1386 * doc/install.texi (Prerequisites): Mention jar.
1388 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1390 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1393 2006-04-04 Matthias Klose <doko@debian.org>
1395 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1396 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1399 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1401 * doc/extend.texi (Function Attributes): Rewrite visibility
1402 attribute documentation.
1403 * doc/invoke.texi (C++ Dialect Options): Rewrite
1404 -fvisibility-inlines-hidden documentation to describe something
1405 entirely different, although in practise compatible.
1406 (Code Gen Options): Warn about system headers in -fvisibiltity=
1409 * doc/extend.texi (Other Builtins): Document that
1410 __builtin_nan is a compile-time constant only when its argument
1413 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1415 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1416 trying to remove TRUNCATE check if all bits outside the new mode
1417 are identical to the sign bit.
1419 2006-04-03 Jeff Law <law@redhat.com>
1421 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1422 and operand scanning in some common cases.
1424 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1425 Dale Johannesen <dalej@apple.com>
1428 * regclass.c (struct reg_pref): Update documentation.
1429 (regclass): Set prefclass to NO_REGS if memory is the best option.
1430 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1431 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1432 into account. For non-registers, equate an empty preferred
1433 reload class to a `!' in the constraint; move the if clause to
1434 do so after those that reject the insn.
1435 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1437 (find_dummy_reload): Likewise.
1438 * doc/tm.texi (Register Classes): Document what it means
1439 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1440 * config/i386/i386.c (ix86_preferred_reload_class): Force
1441 using SSE registers (and return NO_REGS for floating-point
1442 constants) if math is done with SSE.
1443 (ix86_preferred_output_reload_class): New.
1444 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1445 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1446 * config/i386/i386.md: Remove # register preferences.
1448 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1451 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1452 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1453 the type of nb_iter.
1454 (instantiate_parameters_1): Convert the operands before calling
1455 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1456 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1458 2006-04-02 Roger Sayle <roger@eyesopen.com>
1460 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1461 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1463 * dojump.c (do_jump): Likewise.
1464 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1465 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1466 gimplify_boolean_expr): Likewise.
1467 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1468 * varasm.c (array_size_for_constructor): Likewise.
1469 * tree-object-size.c (compute_object_offset): Likewise.
1471 2006-04-02 Roger Sayle <roger@eyesopen.com>
1474 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1475 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1477 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1479 PR tree-optimization/26939
1480 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1482 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1484 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1485 at_stmt. Convert the type of operands before calling
1486 build_polynomial_chrec.
1487 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1489 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1490 (instantiate_parameters_1): Convert the type of operands before calling
1491 build_polynomial_chrec.
1492 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1493 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1494 reset_evolution_in_loop): Insert asserts to check the types of the
1496 (chrec_type): Moved...
1497 (eq_evolutions_p): Use operand_equal_p.
1498 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1499 the types of the operands.
1500 (chrec_type): ...here.
1501 * tree-data-ref.c (create_data_ref): Convert the operands before
1502 calling chrec_replace_initial_condition.
1503 (same_access_functions, analyze_subscript_affine_affine,
1504 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1505 (compute_subscript_distance, analyze_ziv_subscript,
1506 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1507 analyze_miv_subscript): Convert the operands before calling
1508 chrec_fold_minus or chrec_fold_plus.
1510 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1512 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1513 the dependence_relations vector.
1514 (compute_data_dependences_for_loop): Adjust call to
1515 compute_all_dependences.
1517 2006-04-01 Roger Sayle <roger@eyesopen.com>
1518 Richard Henderson <rth@redhat.com>
1520 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1521 gimple_boolify on the condition before calling gimplify_expr.
1523 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1525 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1526 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1527 the frame size. Update to use the new macros.
1528 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1529 * config/xtensa/ieee754-df.S: Likewise.
1531 2006-03-31 Richard Henderson <rth@redhat.com>
1533 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1534 (make_edges): ... here. Control fallthru creation with a local
1535 variable. Do not play with fake edges.
1536 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1537 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1540 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1542 * dwarf2.h (DW64_CIE_ID): Define.
1543 * dwarf2out.c (DWARF_CIE_ID): Define.
1544 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1545 length header. Use DWARF_CIE_ID.
1546 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1547 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1549 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1551 * config/sh/linux-atomic.asm: New file.
1552 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1554 2006-03-31 DJ Delorie <dj@redhat.com>
1556 * config/m32c/cond.md: Set condition flags properly throughout.
1557 * config/m32c/minmax.md: Likewise.
1558 * config/m32c/prologue.md: Likewise.
1559 * config/m32c/bitops.md: Likewise.
1560 * config/m32c/muldiv.md: Likewise.
1561 * config/m32c/mov.md: Likewise.
1562 * config/m32c/addsub.md: Likewise.
1563 * config/m32c/m32c.md: Likewise.
1564 * config/m32c/jump.md: Likewise.
1565 * config/m32c/shift.md: Likewise.
1567 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1568 conditionally output the pattern for this.
1569 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1570 (m32c_compare_redundant): New.
1571 (m32c_output_compare): New.
1572 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1574 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1575 dest, not src. Allow other 4-byte modes.
1577 2006-03-30 Denis Chertykov <denisc@overta.ru>
1579 * doc/md.texi: Refer to avr/constraints.md instead of
1582 2006-03-30 Roger Sayle <roger@eyesopen.com>
1584 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1585 signed vs. unsigned comparison failures on some hosts.
1587 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1590 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1591 change to FLOAT_REGS.
1593 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1594 (rs6000_override_options): Use it.
1595 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1596 only for -mabi=spe/no-spe and -mabi=altivec.
1598 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1600 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1603 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1605 * Makefile.in: Rename docdir to gcc_docdir.
1607 2006-03-30 Roger Sayle <roger@eyesopen.com>
1610 * expr.c (emit_group_store): Optimize group stores into a pseudo
1611 register by using a paradoxical subreg to initialize the destination
1612 if the first or last member of the group specifies a "low part".
1614 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1617 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1618 * target.h (struct gcc_target.speculate_insn): Change type of the
1619 second parameter to 'int'.
1620 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1621 the second operand of the DEPS_LIST.
1622 (copy_DEPS_LIST_list): Update reference to the second operand of the
1624 * rtl.h (alloc_DEPS_LIST): Update signature.
1625 * sched-int.h (ds_t): Change typedef to 'int'.
1626 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1628 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1630 * haifa-sched.c (try_ready): Change condition to restore
1631 non-speculative pattern of the instruction.
1632 (process_insn_depend_be_in_spec): Code to keep probability of the
1633 speculative dependence non-decreasing.
1635 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1637 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1638 (single_move_for_movmem): ... this. Also change all uses.
1639 (bfin_expand_strmov): Renamed to...
1640 (bfin_expand_movmem): ... this. Also change all uses.
1641 * config/bfin/bfin.md (movstrsi): Renamed to...
1642 (movstrsi): ...this.
1644 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1646 PR tree-optimization/26830
1648 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1649 (copy_prop_visit_stmt): Remove write-only variable ann.
1650 (init_copy_prop): Check variable loop depth here. Do not simulate
1651 memory-tag and virtual operand PHIs except for store copy prop.
1653 2006-03-30 Richard Guenther <rguenther@suse.de>
1655 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1656 variants with double arguments.
1658 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1660 * genpreds.c (write_tm_constrs_h): Delete variable p.
1661 * genconditions.c (write_header): Add tm-constrs.h to included
1663 * genpeep.c (main): Add toplev.h to included headers.
1664 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1665 (build/genpeep.o): Add toplev.h dependency.
1666 * config/rs6000/constraints.md: Add "W" constraint.
1668 2006-03-29 Roger Sayle <roger@eyesopen.com>
1670 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1671 sizes by correctly testing whether the size fits a host integer.
1672 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1673 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1674 SImode range for the default sizetype and bitsizetype.
1676 2006-03-29 Roger Sayle <roger@eyesopen.com>
1678 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1679 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1680 quickly if the argument is already of the correct type.
1681 Call fold_build1 instead of build1. Tidy up blank lines.
1683 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1685 * genemit.c (main): Add tm-constrs.h to included headers.
1686 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1687 * genpeep.c (main): Add tm-constrs.h to included headers.
1688 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1689 (write_tm_constrs_h): this and write complete file.
1690 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1691 (write_insn_preds_c): Add tm-constrs.h to included headers.
1692 (gen_constrs): New variable.
1693 (parse_option): Parse "-c".
1694 (main): Invoke write_tm_constrs_h.
1695 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1696 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1697 (object_out_file): Add tm-constrs.h dependency.
1698 (insn-emit.o): Same.
1699 (insn-output.o): Same.
1700 (insn-peep.o): Same.
1701 (insn-preds.o): Same.
1702 (insn-recog.o): Same.
1703 (tm-constsr.h): New target.
1704 (s-constrs-h): New target.
1706 * config/rs6000/constraints.md: New file.
1707 * config/rs6000/rs6000.c: Include tm-constrs.h.
1708 (num_insn_constant_wide): Convert to satisfies_constraint.
1709 (rs6000_rtx_costs): Convert to satisfies_constraint.
1710 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1711 (CONST_OK_FOR_LETTER_P): Delete.
1712 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1713 (EXTRA_CONSTRAINT): Delete.
1714 (EXTRA_MEMORY_CONSTRAINT): Delete.
1715 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1716 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1717 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1718 satisfies_constraint.
1720 * config/i386/i386.c: Include tm-constrs.h.
1722 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1724 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1725 * tree-data-ref.c (find_data_references_in_loop,
1726 compute_data_dependences_for_loop): Use pointers to VEC.
1727 (analyze_all_data_dependences): Adjust calls.
1728 * tree-data-ref.h (find_data_references_in_loop,
1729 compute_data_dependences_for_loop): Adjust declarations.
1730 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1731 compute_data_dependences_for_loop.
1733 2006-03-29 Paul Brook <paul@codesourcery.com>
1735 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1738 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1740 PR tree-optimization/26859
1741 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1743 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1744 for the step after fold_convert.
1746 2006-03-29 Paul Brook <paul@codesourcery.com>
1748 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1749 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1751 2006-03-29 Paul Brook <paul@codesourcery.com>
1754 * targhooks.c (default_narrow_bitfield): New fuction.
1755 * targhooks.h (default_narrow_bitfield): add prototype.
1756 * target.h (gcc_target): Add narrow_volatile_bitfield.
1757 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1758 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1759 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1760 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1762 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1764 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1766 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1767 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1768 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1769 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1770 (s390_function_arg_float): Allow SDmode and DDmode values to be
1771 passed in floating point registers.
1772 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1773 check with SCALAR_FLOAT_MODE_P.
1774 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1776 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1778 PR tree-optimization/25985
1779 * tree-ssa-loop-niter.c (number_of_iterations_le,
1780 number_of_iterations_ne): Make comments more precise.
1781 (number_of_iterations_cond): Add only_exit argument. Use the
1782 fact that signed variables do not overflow only when only_exit
1784 (loop_only_exit_p): New.
1785 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1786 number_of_iterations_cond.
1788 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1790 PR tree-optimization/26643
1791 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1794 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1796 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1797 (divsi3_i4_int): Likewise.
1799 2006-03-28 Roger Sayle <roger@eyesopen.com>
1801 * expr.c (emit_group_store): Only create a new pseudo reg if the
1802 quantity it needs to hold isn't already a suitable pseudo.
1804 2006-03-28 Jeff Law <law@redhat.com>
1806 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1807 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1809 2006-03-28 Roger Sayle <roger@eyesopen.com>
1811 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1812 the equivalent ~X & Y, and the symmetry related transformations.
1813 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1814 ~X & Y, and symmetry related transforms.
1816 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1818 Revert my 2006-03-27 patches.
1820 2006-03-28 Roger Sayle <roger@eyesopen.com>
1822 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1823 ~(T1)X, when T1 and T2 are integer types of the same precision
1824 and (T2)X isn't an extension.
1826 2006-03-28 Jeff Law <law@redhat.com>
1828 PR tree-optimization/26796
1829 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1830 need EH edge cleanups rather than purging them immediately.
1831 (eliminate_degenerate_phis): Handle queued EH cleanups.
1833 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1835 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1838 2006-03-27 Roger Sayle <roger@eyesopen.com>
1841 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1842 cast BIT_NOT_EXPR operand to the correct type.
1844 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1846 * tree-loop-linear.c: Don't include varray.h.
1847 (gather_interchange_stats, try_interchange_loops,
1848 linear_transform_loops): Use VEC instead of VARRAY.
1849 * lambda-mat.c: Don't include varray.h.
1850 * tree-chrec.c: Same.
1851 * lambda-trans.c: Same.
1852 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1853 VEC instead of VARRAY.
1854 * tree-vectorizer.h: Idem.
1855 * tree-data-ref.c (dump_data_references,
1856 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1857 initialize_data_dependence_relation, finalize_ddr_dependent,
1858 compute_all_dependences, find_data_references_in_loop,
1859 compute_data_dependences_for_loop, analyze_all_data_dependences,
1860 free_dependence_relation, free_dependence_relations,
1861 free_data_refs): Idem.
1862 * tree-data-ref.h (data_reference_p, subscript_p): New.
1863 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1864 VEC instead of VARRAY.
1865 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1866 (find_data_references_in_loop, compute_data_dependences_for_loop,
1867 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1868 dump_data_dependence_relations, free_dependence_relations,
1869 free_data_refs): Adjust declaration.
1870 (lambda_transform_legal_p): Move declaration here...
1871 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1872 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1873 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1874 vect_analyze_data_refs): Use VEC instead of VARRAY.
1875 * lambda.h (lambda_transform_legal_p): ...from here.
1876 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1877 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1878 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1879 tree-chrec.o): Don't depend on VARRAY_H.
1881 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1883 * rtl.def (Copyright): Update date.
1884 (DEPS_LIST): Change type of the second operand to 'int'.
1885 * target.h (Copyright): Update date.
1886 (struct gcc_target.speculate_insn): Change type of the second parameter
1888 * lists.c (Copyright): Update date.
1889 (alloc_DEPS_LIST): Change signature. Update reference to the second
1890 operand of the DEPS_LIST.
1891 (copy_DEPS_LIST_list): Update reference to the second operand of the
1893 * rtl.h (Copyright): Update date.
1894 (alloc_DEPS_LIST): Update signature.
1895 * sched-int.h (Copyright): Update date.
1896 (ds_t): Change typedef to 'int'.
1897 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1899 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1901 * haifa-sched.c (Copyright): Update date.
1902 (try_ready): Change condition to restore non-speculative pattern
1904 (process_insn_depend_be_in_spec): Code to keep probability of the
1905 speculative dependence non-decreasing.
1907 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1909 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1910 shut up the compiler.
1912 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1914 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1915 to use lib prefix for target.
1916 ($(T)libic_invalidate_array_4-200.a): Likewise.
1917 ($(T)libic_invalidate_array_4a.a): Likewise.
1919 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1920 J"orn Rennecke <joern.rennecke@st.com>
1922 * superh.opt: New file.
1923 * sh.c (boardtype, osruntime): Remove.
1924 * superh.h (SUBTARGET_OPTIONS): Remove.
1925 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1927 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1928 arguments with ^ and/or [].
1930 * config.gcc (sh-*-*): Add quoting to account for quirk of
1932 Replace == with = in enable_incomplete_targets test.
1934 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1935 with MASK_LITTLE_ENDIAN.
1937 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1938 * config/sh/sh.opt: Added to some comments.
1939 * config/sh/superh.h: Removed some chaff.
1941 * config/sh/sh.opt: Add m4-[1234]00* options.
1942 * config/sh/sh.c (sh_handle_option): Likewise.
1943 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1944 (ic_invalidate_array_4-100.o): New rule.
1945 ($(T)libic_invalidate_array_4-100.a): Likewise.
1946 (ic_invalidate_array_4-200.o): Likewise.
1947 ($(T)libic_invalidate_array_4-200.a): Likewise.
1948 (ic_invalidate_array_4a.o): Likewise.
1949 ($(T)libic_invalidate_array_4a.a): Likewise.
1950 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1951 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1953 * config/sh/crt1.asm: Merged in profiling code.
1954 * config/sh/superh.h (STARTFILE_SPEC): Override.
1955 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1956 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1957 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1959 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1960 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1961 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1963 * sh.opt (mpretend-cmove): New option.
1964 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1965 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1966 (movsicc): Add TARGET_PRETEND_CMOVE code.
1968 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1970 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1971 s390_class_max_nregs): New function prototypes.
1972 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1973 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1974 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1975 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1977 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1979 * dwarf2out.c (add_location_or_const_value_attribute): Call
1980 tree_add_const_value_attribute if nothing else works.
1981 (reference_to_unused): New.
1982 (rtl_for_decl_init): Use reference_to_unused to decide whether
1983 to output an initializer.
1985 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1988 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1989 peephole removing spe frob_di_df_2.
1991 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1993 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1994 (subscript_dependence_tester_1): Declared.
1995 (print_dir_vectors, print_dist_vectors): New.
1996 (debug_data_dependence_relation): New.
1997 (dump_data_dependence_relation): Print more details.
1998 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1999 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2000 (save_dist_v, save_dir_v, add_outer_distances,
2001 build_classic_dist_vector_1): New.
2002 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2003 Don't test for lambda_vector_lexico_pos.
2004 (same_access_functions, add_multivariate_self_dist,
2005 add_other_self_distances, dir_from_dist): New.
2006 (build_classic_dir_vector): Replace implementation almost identical to
2007 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2009 (subscript_dependence_tester_1): New.
2010 (subscript_dependence_tester): Handle the lexicographically negative
2011 distance vectors by recomputing the dependence relation.
2012 (compute_affine_dependence): Remove parameter loop_nest_depth.
2013 (compute_self_dependence): Don't call compute_subscript_distance.
2014 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2015 Add a parameter for the loop_nest.
2016 (find_loop_nest_1, find_loop_nest): New.
2017 (compute_data_dependences_for_loop): Compute the loop nest, and give
2018 up if the nest is not well formed.
2019 * tree-data-ref.h (loop_p): New.
2020 (struct data_dependence_relation): Replace size_vect field with
2021 loop_nest, a vec of loops.
2022 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2023 (DDR_LOOP_NEST): New.
2024 (print_dir_vectors, print_dist_vectors,
2025 debug_data_dependence_relation): Declared.
2026 (index_in_loop_nest): New.
2027 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2028 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2031 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2033 * simplify-rtx.c (simplify_relational_operation): Call
2034 simplify_relational_operation_1 even if mode is VOIDmode.
2036 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2038 PR tree-optimization/26804
2039 * tree.h (DECL_CALL_CLOBBERED): New macro.
2040 (tree_decl_common): Add call_clobbered_flag.
2041 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2042 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2043 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2044 (mark_non_addressable): Ditto.
2045 * tree-ssa.c (verify_call_clobbered): New function.
2046 (verify_alias_info): Use it.
2047 * tree-pass.h (pass_reset_cc_flags): New prototype.
2048 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2049 (reset_cc_flags): New function.
2050 * passes.c (init_optimization_passes): Call reset_cc_flags after
2051 initializing referenced_vars.
2053 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2054 Roger Sayle <roger@eyesopen.com>
2057 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2058 to 1.0 for non-real operands. Implement A / A optimization for
2061 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2063 * config/i386/i386.c (size_cost): Correct the comment for
2064 cost of storing fp registers.
2065 (i386_cost): Likewise.
2066 (i486_cost): Likewise.
2067 (pentium_cost): Likewise.
2068 (pentiumpro_cost): Likewise.
2069 (k6_cost): Likewise.
2070 (athlon_cost): Likewise.
2071 (k8_cost): Likewise.
2072 (pentium4_cost): Likewise.
2073 (nocona_cost): Likewise.
2074 (generic64_cost): Likewise.
2075 (generic32_cost): Likewise.
2077 2006-03-24 Denis Chertykov <denisc@overta.ru>
2079 * config/avr/avr-protos.h (extra_constraint): Delete.
2080 (extra_constraint_Q): New declaration.
2081 * config/avr/constraints.md: New file.
2082 * config/avr/avr.md: Include it.
2083 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2084 (TMP_REGNO, ZERO_REGNO): Likewise.
2085 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2086 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2087 (extra_constraint): Delete.
2088 (extra_constraint_Q): Test for memory constraint 'Q'.
2089 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2090 (REG_CLASS_FROM_LETTER): Delete.
2091 (CONST_OK_FOR_LETTER_P): Delete.
2092 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2093 (EXTRA_CONSTRAINT): Delete.
2094 (TMP_REGNO): Delete.
2095 (ZERO_REGNO): Delete.
2097 2006-03-24 Jeff Law <law@redhat.com>
2099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2100 directly. Call mark_new_vars_to_rename slightly earlier.
2102 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2104 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2106 (gen_compile_unit_die): Use new language types for Objective-C and
2108 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2109 DW_LANG_C_plus_plus.
2112 * config/t-darwin (crt3.o): Work around bug 26840.
2113 * config/darwin-crt3.c: Rewrite.
2114 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2116 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2118 * doc/invoke.texi: Document -femit-class-debug-always
2119 * common.opt: Add -femit-class-debug-always.
2121 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2123 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2124 index and base register.
2125 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2126 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2127 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2128 REGNO_OK_FOR_INDEX_P.
2129 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2131 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2132 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2133 REG_OK_FOR_BASE_P): Definitions removed.
2135 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2138 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2139 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2140 set yet or weren't marked as local yet.
2142 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2144 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2147 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2149 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2150 (rs6000_legitimate_small_data_p): Delete.
2151 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2152 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2153 and make static. Add forward declaration. Update uses.
2154 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2155 of offsettable_memref_p.
2156 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2157 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2159 2006-03-24 Jeff Law <law@redhat.com>
2161 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2162 around bug in immediate-use iterator.
2164 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2167 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2168 or __LITTLE_ENDIAN__.
2170 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2172 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2173 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2174 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2175 * config/sh/sh.opt (mdiv=): Amend description.
2176 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2177 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2178 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2179 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2180 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2181 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2182 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2183 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2184 TARGET_DIVIDE_CALL_FP.
2186 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2188 * haifa-sched.c (choose_ready): Fix type of the local variable.
2189 Move local variables. Add comment.
2190 (check_reg_live): Change signature. Make callable from debugger.
2191 * sched-int.h (check_reg_live): Update signature.
2192 * sched-ebb.c (check_reg_live): Update parameters.
2193 * sched-rgn.c (check_reg_live): Ditto.
2194 (region_head_or_leaf_p): Check pointer before dereferencing.
2195 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2196 before reload on optimization levels below 1.
2198 2006-03-23 Richard Henderson <rth@redhat.com>
2200 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2204 * config/alpha/predicates.md (local_symbolic_operand): Reject
2207 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2210 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2211 expressions which have overflowed constants.
2213 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2215 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2217 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2219 * cfgloopmanip.c (create_loop_notes): Removed.
2220 * final.c (final_scan_insn): Do not handle loop notes.
2221 * jump.c (squeeze_notes): Ditto.
2222 * cfglayout.c (skip_insns_after_block,
2223 duplicate_insn_chain): Ditto.
2224 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2226 * cfgloop.h (create_loop_notes): Declaration removed.
2228 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2230 * varasm.c (output_constant_pool): Restore fnname and fndecl
2232 (assemble_start_function): Adjust call accordingly.
2233 (assemble_end_function): Likewise.
2235 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2238 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2241 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2243 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2246 * system.h (ICE_EXIT_CODE): New macro.
2247 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2248 (diagnostic_action_after_output): Likewise.
2249 * gcc.c (fatal_ice): New function.
2250 (execute): Use it instead of fatal.
2251 (fancy_abort): Likewise.
2252 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2254 2006-03-22 Jeff Law <law@redhat.com>
2256 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2257 iv_analyze_result returning false.
2259 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2261 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2263 2006-03-22 Richard Henderson <rth@redhat.com>
2266 * except.c (duplicate_eh_regions_0): New.
2267 (duplicate_eh_region_1): Duplicate the children of the node as
2268 well as the node itself. Link them up properly.
2269 (duplicate_eh_region_2): Merge into ...
2270 (duplicate_eh_regions): ... here. Take copy_region argument, and
2271 copy only a sub-tree if asked. Simplify copying and fixup.
2272 (eh_region_outer_p): New.
2273 * except.h (duplicate_eh_regions): Update decl.
2274 (eh_region_outer_p): Declare.
2275 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2276 (lower_omp_master): Likewise.
2277 (lower_omp_ordered): Likewise.
2278 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2279 (move_stmt_r): Use it to remap labels. Handle recursion vs
2280 remap_decls_p properly.
2281 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2282 (find_outermost_region_in_block): New.
2283 (new_label_mapper): New.
2284 (move_sese_region_to_fn): Copy eh information to the new function
2286 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2288 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2291 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2293 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2294 into shared libraries.
2296 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2298 * doc/md.texi: Refer to i386/constraints.md instead of
2300 * config/i386/constraints.md: New file, extracted from...
2301 * config/i386/predicates.md: ...here.
2302 * config/i386/i386.md: Include constraints.md.
2304 2006-03-21 Jason Merrill <jason@redhat.com>
2306 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2309 * expr.c (init_block_move_fn): Force default visibility.
2310 (init_block_clear_fn): Likewise.
2311 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2312 * targhooks.c (default_external_stack_protect_fail): Likewise.
2314 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2316 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2317 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2318 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2319 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2320 (loadgp): Use mips_current_loadgp_style.
2321 (loadgp_noshared): New pattern.
2322 (sibcall_internal): Use MIPS_CALL.
2323 (sibcall_value_internal): Likewise.
2324 (sibcall_value_multiple_internal): Likewise.
2325 (call_internal): Likewise.
2326 (call_value_internal): Likewise.
2327 (call_value_multiple_internal): Likewise.
2328 (call_split): Use MIPS_CALL and add an 'S' constraint.
2329 (call_value_split): Likewise.
2330 (call_value_multiple_split): Likewise.
2331 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2332 (-mshared): New option.
2333 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2334 (mips_current_loadgp_style): Declare.
2335 * config/mips/mips.c (mips_classify_symbol): Avoid using
2336 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2337 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2338 TARGET_ABSOLUTE_ABICALLS.
2339 (override_options): Adjust comments. Improve the warning that is
2340 issued when -mabicalls and -G are used together.
2341 (mips_file_start): Remove comment.
2342 (mips_current_loadgp_style): New function.
2343 (mips_gnu_local_gp): New variable.
2344 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2346 (mips_output_function_prologue): Use mips_current_laodgp_style.
2347 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2348 the cprestore instruction.
2349 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2350 live for TARGET_ABSOLUTE_ABICALLS.
2351 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2352 (ASM_SPEC): Pass down -mshared and -mno-shared.
2353 (MIPS_CALL): New macro.
2354 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2356 * doc/invoke.texi (-mabicalls): Update documentation.
2357 (-mshared): Document.
2359 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2361 * config/ia64/unwind-hpux.c: New file.
2362 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2364 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2367 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2369 2006-03-21 Jeff Law <law@redhat.com>
2371 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2372 type conversions of a VR_VARYING source to a wider type.
2374 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2376 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2377 tm_file on Solaris 10 and later.
2378 (sparc64-*-solaris2*): Likewise.
2379 (sparc-*-solaris2*): Likewise.
2380 * config/sol26.h: Rename to config/sol2-6.h.
2381 * config/sol2-10.h: New file.
2383 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2386 * tree-ssa-pre.c (create_component_ref_by_pieces):
2389 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2392 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2393 return it immediately.
2395 2006-03-21 Michael Matz <matz@suse.de>
2397 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2399 (remove_arc, add_arc): Update num_out_arcs member.
2400 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2402 (cache_presence): New function.
2403 (compare_states_for_equiv): New function.
2404 (state_is_differed): Don't take number of outargs, adjust callers.
2405 Use new invariant for speeding up.
2406 (init_equiv_class): Create initial classes based on sorted
2408 (partition_equiv_class): Don't track out_arcs_num.
2409 (evaluate_equiv_classes): Call cache_presence on all states and
2412 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2414 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2415 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2416 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2417 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2419 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2420 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2421 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2422 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2423 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2425 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2426 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2427 (REGNO_REG_CLASS): ARGP is in PREGS.
2428 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2430 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2431 to deal with those addresses.
2432 * addresses.h: New file.
2433 * caller-save.c: Include "addresses.h".
2434 (init_caller_save): Use new base_reg_class function.
2435 * rtl-factoring.c: Include "addresses.h".
2436 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2437 * recog.c: Include "addresses.h".
2438 (preprocess_constraints): Use new base_reg_class function.
2439 * regrename.c: Include "addresses.h".
2440 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2441 functions. Keep track of a new var INDEX_CODE to compute valid
2443 (replace_oldest_value_addr): Likewise.
2444 (replace_oldest_value_mem): Use base_reg_class.
2445 * reload.c: Include "addresses.h".
2446 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2447 (find_reloads): Use new base_reg_class function.
2448 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2449 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2450 all callers and prototype changed.
2451 * reload1.c: Include "addresses.h".
2452 (maybe_fix_stack_asms): Use base_reg_class.
2453 * regclass.c: Include "addresses.h".
2454 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2455 (init_reg_autoinc): Use new base_reg_class function.
2456 (record_reg_classes): Likewise.
2457 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2458 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2459 Use new args to compute necessary class.
2461 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2462 regrename.o, rtl-factoring.o): Update dependencies.
2463 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2464 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2465 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2466 REG_OK_FOR_INDEX_P): Delete documentation.
2468 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2470 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2471 from V7 to V9 for Solaris 7 and above.
2473 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2475 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2476 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2477 argument pointers may not alias any other storage.
2478 * common.opt: Define option -fargument-noalias-anything.
2479 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2480 alias semantics is specified by flag_argument_noalias > 2.
2482 2006-03-20 Jeff Law <law@redhat.com>
2484 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2485 (pass_phi_only_cprop): Declare.
2486 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2488 * tree-ssa-dom.c (degenerate_phi_result): New function.
2489 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2490 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2491 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2492 (eliminate_degenerate_phis): Likewise.
2493 (pass_phi_only_cprop): New pass descriptor.
2494 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2495 support code. Callers updated.
2496 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2497 (store_copy_prop): Likewise.
2498 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2500 2006-03-20 Jason Merrill <jason@redhat.com>
2503 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2504 (push_visibility, pop_visibility): Likewise.
2505 * c-pragma.h: Declare them.
2507 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2509 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2511 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2512 parameter and use get_ebb_head_tail.
2513 (sh_md_init_global): Adjust uses of find_regmode_weight.
2515 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2517 * function.h (struct function) <x_tail_recursion_reentry>:
2518 Rename to x_stack_check_probe_note.
2519 (tail_recursion_reentry): Rename to stack_check_probe_note.
2520 * function.c: Replace tail_recursion_reentry with
2521 stack_check_probe_note everywhere.
2522 (expand_function_start): Only emit a note for
2523 stack_check_probe_note with -fstack-protect.
2524 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2526 * emit-rtl.c (remove_unnecessary_notes): Remove.
2527 (pass_remove_unnecessary_notes): Remove.
2528 * rtl.h (remove_unnecessary_notes): Remove prototype.
2529 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2530 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2531 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2533 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2536 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2537 (valid_in_set): Handle ARRAY_REF.
2538 Change "if min_variant or VH" to asserts.
2539 (create_component_ref_by_pieces): Handle ARRAY_REF.
2540 (create_expression_by_pieces): Likewise.
2541 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2543 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2545 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2546 is operand of switch, not str[0].
2548 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2550 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2551 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2553 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2555 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2556 end of insn_extra_address_constraint declaration.
2558 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2560 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2561 (no-sum-in-toc): Same.
2562 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2564 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2565 NO_FP_IN_TOC for -fPIC instead of mask.
2567 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2568 (BOOT_LDFLAGS): Delete.
2570 * config/rs6000/t-aix52: Same.
2572 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2573 (stmsi[345678]_power): New.
2575 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2577 * config/ia64/ia64.opt: Add empty line to end of file.
2579 2006-03-17 Richard Guenther <rguenther@suse.de>
2582 * builtins.c (get_pointer_alignment): For component style references
2583 adjust alignment to the component type alignment. Make sure
2584 to adjust alignment for component access of constants.
2586 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2588 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2591 2006-03-17 Paul Brook <paul@codesourcery.com>
2593 * doc/install.texi: Docuemnt --with-mode.
2594 * config.gcc: Add --with-mode for arm*-*-*.
2595 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2597 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2599 * sh.c (max_labelno_before_reorg): New variable.
2600 (sh_reorg): Initialize it.
2601 (find_barrier): Check max_labelno_before_reorg before using
2602 label_to_alignment. Take length of explicit alignment insns
2603 into account. When seeing a UNSPECV_CONST_END, return it.
2605 * sh.c (fixup_mova): Set mode of affected label to QImode.
2606 (untangle_mova): New function.
2607 (find_barrier): Use it. Check mode of label before decrementing
2609 (sh_reorg): Likewise.
2610 Set mode of all insns back to VOIDmode.
2612 * sh.c (MOVA_LABELREF): New macro.
2613 (mova_p, fixup_mova, sh_reorg): Use it.
2614 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2615 ADDR_DIFF_VEC matches mova.
2617 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2619 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2620 with ATTRIBUTE_UNUSED.
2622 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2624 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2625 pointer, instead of assuming it is possible to derive the
2626 correct args size from a call insn.
2628 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2630 * rtl.h (CONST_INT_P): Define.
2631 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2632 instead of GET_CODE(x) == CONST_INT.
2633 (vax_rtx_costs): Likewise.
2634 (vax_output_int_move): Likewise.
2635 (vax_output_int_add): Likewise.
2636 (legitimate_constant_address_p): Likewise.
2637 (index_term_p): Likewise.
2638 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2639 * config/vax/vax.md (and<mode>3): Likewise.
2640 (ashrsi3): Likewise.
2642 (movstricthi): Likewise.
2643 (movstrictqi): Likewise.
2644 (rotrsi3): Likewise.
2645 (five unnamed insns): Likewise.
2647 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2649 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2650 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2651 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2652 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2653 Pass to ASM_OUTPUT_DWARF_OFFSET.
2654 * dwarf2out.c (debug_frame_section): New.
2655 (output_call_frame_info): Use debug_frame_section. Pass it to
2656 dw2_asm_output_offset.
2657 (output_die): Pass appropriate section to dw2_asm_output_offset.
2658 (output_compilation_unit_header): Likewise.
2659 (output_pubnames): Likewise.
2660 (output_aranges): Likewise.
2661 (enum dw_val_class): Break dw_val_class_lbl_offset into
2662 dw_val_class_lineptr and dw_val_class_macptr.
2663 (add_AT_lbl_offset): Delete.
2664 (add_AT_lineptr): New.
2665 (add_AT_macptr): New.
2666 (AT_lbl): Expect a lineptr or macptr.
2667 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2668 (attr_checksum): Likewise.
2669 (same_dw_val_p): Likewise.
2670 (size_of_die): Likewise.
2671 (value_format): Likewise.
2672 (output_die): Likewise.
2673 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2675 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2676 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2677 * config/darwin-protos.h (darwin_file_start): New.
2678 (darwin_asm_output_dwarf_offset): New.
2679 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2680 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2682 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2683 if not EH section; simplify.
2684 (darwin_file_start): New.
2685 (darwin_asm_output_dwarf_offset): New.
2686 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2688 (DEBUG_INFO_SECTION): Likewise.
2689 (DEBUG_ABBREV_SECTION): Likewise.
2690 (DEBUG_ARANGES_SECTION): Likewise.
2691 (DEBUG_MACINFO_SECTION): Likewise.
2692 (DEBUG_LINE_SECTION): Likewise.
2693 (DEBUG_LOC_SECTION): Likewise.
2694 (DEBUG_PUBNAMES_SECTION): Likewise.
2695 (DEBUG_STR_SECTION): Likewise.
2696 (DEBUG_RANGES_SECTION): Likewise.
2697 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2698 (ASM_OUTPUT_DWARF_OFFSET): New.
2700 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2702 * config.gcc (tm_defines): Always add to previous value rather
2705 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2707 * config/mips/predicates.md (splittable_const_int_operand): New,
2708 split from move_operand.
2709 (splittable_symbolic_operand): New.
2710 (move_operand): Add commentary. Use splittable_const_int_operand.
2711 Inline mips_atomic_symbolic_constant_p.
2712 * config/mips/mips.md: Add combine splitters for handling moves
2713 of splittable_const_int_operands and splittable_symbolic_operands.
2714 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2715 (mips_split_symbol): Declare.
2716 (mips_move_integer): Declare.
2717 * config/mips/mips.c (mips_split_p): Make global.
2718 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2719 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2720 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2721 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2722 (mips_offset_within_object_p): Handle block symbols.
2723 (mips_atomic_symbolic_constant_p): Delete.
2724 (mips_cannot_force_const_mem): Return false for constants that
2725 mips_legitimize_move can handle.
2726 (mips_use_blocks_for_constant_p): New function.
2727 (mips_split_symbol): Make global.
2728 (mips_move_integer): Likewise. Add a temporary register argument.
2729 (mips_legitimize_const_move): Use splittable_const_int_operand and
2730 splittable_symbolic_operand.
2731 (mips_use_anchors_for_symbol_p): New function.
2732 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2733 (mips_split_p): Declare.
2735 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2737 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2738 (mips*-*-linux*): Likewise.
2740 2006-03-16 Roger Sayle <roger@eyesopen.com>
2741 Daniel Speyer <dspeyer@wam.umd.edu>
2744 * tree-dump.c (dump_real): New function.
2745 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2746 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2747 (tree-dump.o): Add $(REAL_H) to the dependencies.
2749 2006-03-16 Roger Sayle <roger@eyesopen.com>
2752 * real.c (real_from_string): If the mantissa is zero, don't bother
2753 parsing the exponent as the result should always be zero.
2755 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2757 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2759 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2761 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2762 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2763 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2764 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2765 ia64_sched_finish_global): New static functions to implement
2766 hooks from gcc_target.sched.
2767 (spec_check_no, max_uid, pending_data_specs): New static variables.
2768 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2769 ia64_spec_check_src_p): New static functions.
2770 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2771 (TARGET_SCHED_ADJUST_COST): Removed.
2772 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2773 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2774 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2775 TARGET_SCHED_GEN_CHECK,
2776 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2777 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2778 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2779 Fixed to handle speculation checks.
2780 (rtx_needs_barrier): Fixed to handle speculative loads and
2782 (ia64_variable_issue): Added code to count speculative loads and their
2784 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2786 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2788 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2790 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2791 (ia64_reorg): Reset stops_p to NULL after it is freed.
2792 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2793 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2794 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2796 (data_speculative, control_speculative, check_load): New attributes.
2797 (mov<mode>_advanced, mov<mode>_speculative,
2798 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2799 zero_extend<mode>di2_speculative,
2800 zero_extend<mode>di2_speculative_advanced): New patterns for
2801 data and control speculative loads.
2802 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2804 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2805 New pattern for data and control speculation checks.
2806 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2807 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2808 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2809 Auxiliary definitions for the patterns.
2810 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2811 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2813 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2815 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2816 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2817 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2818 New resource constraints.
2819 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2821 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2822 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2823 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2824 msched-in-control-spec, msched-ldc, msched-control-ldc,
2825 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2826 msched-prefer-non-control-spec-insns,
2827 msched-count-spec-in-critical-path): New flags to tune speculative
2829 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2830 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2831 msched-in-control-spec, msched-ldc, msched-control-ldc,
2832 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2833 msched-prefer-non-control-spec-insns,
2834 msched-count-spec-in-critical-path): Document new flags.
2836 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2838 * target.h (struct spec_info_def): New opaque declaration.
2839 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2840 speculate_insn, needs_block_p, gen_check,
2841 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2842 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2843 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2844 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2845 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2846 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2848 (TARGET_SCHED): Use new macros.
2849 * rtl.h (copy_DEPS_LIST_list): New prototype.
2850 * sched-int.h (struct sched_info): Change signature of new_ready field,
2851 adjust all initializations. New fields: add_remove_insn,
2852 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2853 region_head_or_leaf_p.
2854 (struct spec_info_def): New structure declaration.
2855 (spec_info_t): New typedef.
2856 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2857 recovery_block, orig_pat.
2858 (glat_start, glat_end): New variables declaraions.
2859 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2861 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2862 DETACH_LIFE_INFO, USE_GLAT.
2863 (enum SPEC_SCHED_FLAGS): New enumeration.
2864 (NOTE_NOTE_BB_P): New macro.
2865 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2866 attach_life_info, debug_spec_status, check_reg_live): New functions.
2867 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2868 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2870 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2871 * ddg.c (get_block_head_tail): Adjust all uses.
2872 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2873 (sms_sched_info): Initialize new fields.
2874 (contributes_to_priority): Removed.
2875 * haifa-sched.c (params.h): New include.
2876 (get_block_head_tail): Adjust all uses.
2877 (ISSUE_POINTS): New macro.
2878 (glat_start, glat_end): New global variables.
2879 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2880 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2881 old_last_basic_block, before_recovery, current_sched_info_var,
2882 rgn_n_insns, luid): New static variables.
2883 (insn_cost1): New function. Move logic from insn_cost to here.
2884 (find_insn_reg_weight1): New function. Move logic from
2885 find_insn_reg_weight to here.
2886 (reemit_notes, move_insn, max_issue): Change signature.
2887 (move_insn1): Removed.
2888 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2889 extend_bb): New static functions to support extension of scheduler's
2891 (generate_recovery_code, process_insn_depend_be_in_spec,
2892 begin_speculative_block, add_to_speculative_block,
2893 init_before_recovery, create_recovery_block, create_check_block_twin,
2894 fix_recovery_deps): New static functions to support
2895 generation of recovery code.
2896 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2897 restore_bb_notes, move_block_after_check, move_succs): New static
2898 functions to support ebb scheduling.
2899 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2900 functions to support handling of register live information.
2901 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2902 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2903 add_jump_dependencies): New static functions.
2904 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2905 consistancy checking.
2906 (debug_spec_status): New function to call from debugger.
2907 (priority): Added code to handle speculation checks.
2908 (rank_for_schedule): Added code to distinguish speculative instructions.
2909 (schedule_insn): Added code to handle speculation checks.
2910 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2911 Fixed to handle ebbs.
2912 (move_insn): Added code to handle ebb scheduling.
2913 (max_issue): Added code to use ISSUE_POINTS of instructions.
2914 (choose_ready): Added code to choose between speculative and
2915 non-speculative instructions.
2916 (schedule_block): Added code to handle ebb scheduling and scheduling of
2917 speculative instructions.
2918 (sched_init): Initialize new variables.
2919 (sched_finish): Free new variables. Print statistics.
2920 (try_ready): Added code to handle speculative instructions.
2921 * lists.c (copy_DEPS_LIST_list): New function.
2922 * sched-deps.c (extend_dependency_caches): New function. Move logic
2923 from create_dependency_caches to here.
2924 (get_dep_weak, ds_merge): Make global.
2925 * genattr.c (main): Code to output prototype for
2926 dfa_clear_single_insn_cache.
2927 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2928 (output_dfa_clean_insn_cache_func): Code to output
2929 dfa_clear_single_insn_cache function.
2930 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2932 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2934 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2935 New static variables.
2936 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2937 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2939 (ebb_sched_info): Initialize new fields.
2940 (get_block_head_tail): Adjust all uses.
2941 (compute_jump_reg_dependencies): Fixed to use glat_start.
2942 (schedule_ebb): Code to remove unreachable last block.
2943 (schedule_ebbs): Added code to update register live information.
2944 * sched-rgn.c (region_sched_info): Initialize new fields.
2945 (get_block_head_tail): Adjust all uses.
2946 (last_was_jump): Removed. Adjust users.
2947 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2948 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2949 Implement new hooks.
2950 (check_dead_notes1): New static function.
2951 (struct region): New fields: dont_calc_deps, has_real_ebb.
2952 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2953 (BB_TO_BLOCK): Fixed to handle EBBs.
2954 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2955 (ebb_head): New static variable.
2956 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2957 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2959 (compute_dom_prob_ps): New assertion.
2960 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2961 global_live_at_start.
2962 (init_ready_list): New assertions.
2963 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2964 (new_ready): Add support for BEGIN_CONTROL speculation.
2965 (schedule_insns): Fixed code that updates register live information
2967 (schedule_region): Fixed to handle EBBs.
2968 (init_regions): Use extend_regions and check_dead_notes1.
2969 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2970 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2971 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2972 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2973 TARGET_SCHED_GEN_CHECK,
2974 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2975 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2976 * doc/invoke.texi (max-sched-insn-conflict-delay,
2977 sched-spec-prob-cutoff): Document.
2979 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2981 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2982 inter_tick, queue_index.
2983 (struct sched_info): Change signature of init_ready_list field.
2984 Adjust all initializations.
2985 (RESOLVED_DEPS): New access macro.
2986 (ready_add): Remove prototype.
2987 (try_ready): Add prototype.
2988 * sched-rgn.c (init_ready_list): Use try_ready.
2989 (schedule_region): Initialize
2990 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2991 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2992 (init_ready_list): Use try_ready.
2993 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2994 * lists.c (remove_list_elem): Remove `static'.
2995 (remove_free_INSN_LIST_elem): New function.
2996 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2997 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2998 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3000 (readyp): New variable.
3001 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3002 change_queue_index, resolve_dep): New static functions.
3003 (try_ready): New function. Adjust callers in sched-rgn.c and
3004 sched-ebb.c to use it instead of ready_add.
3005 (clock_var): Move at the begining of file.
3006 (rank_for_schedule): Fix typo.
3007 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3008 (ready_lastpos): Enforce assertion.
3009 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3011 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3012 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3013 (queue_to_ready): Use free_INSN_LIST_list.
3014 (early_queue_to_ready): Fix typo.
3015 (schedule_block): Init readyp. Move init_ready_list call after the
3016 initialization of clock_var. Fix error in rejecting insn by
3017 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3018 that previously corrected INSN_TICKs. Add code for handling
3020 (set_priorities): Fix typo.
3021 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3022 Clarify comment and code that keeps current_sched_info->next_tail
3025 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3027 * sched-rgn.c (extend_rgns): New static function.
3028 (find_rgns): Use it.
3029 (gather_region_statistics, print_region_statistics): New static
3031 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3032 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3034 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3035 Andrey Belevantsev <abel@ispras.ru>
3037 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3038 * lists.c (unused_deps_list): New variable.
3039 (free_list): Add assertions to verify the proper distinguishing
3040 between INSN_LISTs and DEPS_LISTs.
3041 (find_list_elem, remove_list_elem, remove_list_node): New static
3043 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3044 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3045 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3046 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3048 (free_INSN_LIST_node): Likewise.
3049 * modulo-sched.c (current_sched_info): Initialize flags field.
3050 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3051 * rtl.def (DEPS_LIST): Define.
3052 * rtl.h: Declare new functions from lists.c.
3053 * sched-deps.c (spec_dependency_cache): New static variable.
3054 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3055 (add_dependence): Change return type to void. Move the logic to ...
3056 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3057 (delete_all_dependences): Add comment about forward_dependency_cache.
3058 Handle spec_dependency_cache. Handle DEPS_LISTs.
3059 (fixup_sched_groups): Clarify the change of priority of output
3060 and anti dependencies.
3061 (sched_analyze_2): Adjust add_dependence calls to create data
3062 speculative dependence.
3063 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3064 Adjust all callers. Handle DEPS_LISTS.
3065 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3066 presence of speculation.
3067 (init_dependency_caches, free_dependency_caches):
3068 Handle spec_dependency_cache.
3069 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3070 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3071 New static functions.
3072 (add_or_update_back_dep, add_or_update_back_forw_dep,
3073 add_back_forw_dep, delete_back_forw_dep): New functions.
3074 * sched-int.h (ds_t, dw_t): New typedefs.
3075 (struct sched_info): Add new field flags.
3076 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3077 Prototype new sched-deps.c functions.
3078 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3079 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3080 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3081 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3082 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3083 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3085 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3087 * sched-rgn.c (current_sched_info): Initialize flags field.
3088 (schedule_insns): Initialize current_sched_info before the sched_init
3090 * sched-ebb.c (current_sched_info): Initialize flags field.
3091 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3092 Call add_or_update_back_dep instead of add_dependence.
3093 Create control speculative dependencies.
3094 (schedule_insns): Initialize current_sched_info before the sched_init
3097 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3099 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3101 (sh_fallback_frame_state): Likewise.
3103 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3105 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3106 Do switch on default_use_cxa_atexit.
3107 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3108 * config/darwin-crt3.o: New.
3109 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3110 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3111 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3113 * config/rs6000/t-darwin: Move crt2.o building to here.
3114 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3115 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3118 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3120 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3121 from '! xxx' to '!xxx' for coding-style conformance.
3122 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3123 (EXTRA_CONSTRAINT): Likewise.
3124 * config/vax/vax.md (four unnamed insns): Likewise.
3126 2006-03-15 Paul Brook <paul@codesourcery.com>
3128 * config/arm/arm.c (minipool_pad): New.
3129 (add_minipool_forward_ref): Include pool alignment padding in address
3131 (push_minipool_fix): Set minipool_pad.
3132 (minipool_pad): Ditto.
3134 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3136 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3137 instead of GET_CODE() == MEM and REG_P() instead of
3139 (print_operand_address): Likewise.
3140 (vax_address_cost): Likewise.
3141 (vax_rtx_costs): Likewise.
3142 (vax_notice_update_cc): Likewise.
3143 (vax_output_int_add): Likewise.
3144 (INDEX_REGISTER_P): Likewise.
3145 (BASE_REGISTER_P): Likewise.
3146 (nonindexed_address_p): Likewise.
3147 (vax_mode_dependent_address_p): Likewise.
3148 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3149 (PRINT_OPERAND): Likewise.
3150 * config/vax/vax.md (ashlsi3): Likewise.
3151 (ashlsi3): Likewise.
3152 (some more unnamed insns): Likewise.
3154 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3156 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3157 iterator-style macro.
3158 (mark_control_dependent_edges_necessary): Update the use of
3159 EXECUTE_IF_CONTROL_DEPENDENT.
3161 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3163 * config/sh/predicates.md (cache_address_operand): Special.
3164 (ua_address_operand): Likewise.
3166 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3168 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3170 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3172 2006-03-15 Andreas Schwab <schwab@suse.de>
3174 * gensupport.c (identify_predicable_attribute): Don't free p_false
3175 when it is still in use.
3177 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3179 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3180 the default setting here.
3182 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3184 * tree-pass.h (pass_cfg): Remove.
3185 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3186 * passes.c (pass_cfg): Don't run it.
3188 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3190 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3191 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3193 (stack_regs_mentioned): Update the uses of
3194 stack_regs_mentioned_data. Don't access the array beyond its
3196 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3197 Don't include gt-reg-stack.h.
3199 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3200 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3202 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3205 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3208 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3210 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3212 2006-03-14 Richard Guenther <rguenther@suse.de>
3214 PR tree-optimization/26672
3215 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3218 2006-03-14 Richard Guenther <rguenther@suse.de>
3220 PR tree-optimization/26667
3221 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3222 node for the callees. Always allow inlining if it will shrink
3225 2006-03-14 Richard Guenther <rguenther@suse.de>
3228 * builtins.c (get_pointer_alignment): Prefer alignment
3229 information from decls over that from types.
3231 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3234 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3236 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3238 * config/rs6000/rs6000.opt (mdlmzb): New option.
3239 (msched-prolog, msched-epilog): Use Var not Mask.
3240 * doc/invoke.texi (-mdlmzb): Document.
3241 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3243 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3244 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3246 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3248 PR rtl-optimization/25739
3249 * bt-load.c (augment_live_range): Free tos pointer.
3251 * gensupport.c (identify_predicable_attribute): Free
3253 * gcov.c (create_file_names): Free name pointer.
3255 2006-03-13 Roger Sayle <roger@eyesopen.com>
3258 * stmt.c (emit_case_nodes): Handle the case where the index is a
3259 CONST_INT, where the comparison mode is specified by the index type.
3261 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3263 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3266 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3268 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3269 (*branch_fp_inverted): Likewise.
3271 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3274 * omp-low.c (expand_omp_for_generic): Mark istart0
3275 and iend0 as addressable.
3277 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3279 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3281 2006-03-13 Jeff Law <law@redhat.com>
3283 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3284 virtual operands are interesting.
3285 (vrp_visit_stmt): Corresponding changes.
3287 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3289 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3291 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3292 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3293 * config/bfin/crti.S: Use it instead of __PIC__.
3294 * config/bfin/crtn.S: Likewise.
3296 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3297 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3299 Lose 'G' modifier for call operand.
3300 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3301 recognize 'G' modifier.
3303 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3306 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3307 * stmt.c (expand_case): Likewise.
3309 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3311 PR rtl-optimization/26254
3312 * loop-invariant.c (seq_insns_valid_p): New function.
3313 (move_invariant_reg): Only emit new code if it is valid.
3315 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3317 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3319 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3320 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3321 (commit_one_edge_insertion): Do not look for loop notes.
3323 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3325 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3326 flag_test_coverage out of loop.
3328 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3330 * final.c (shorten_branches): Remove outdated comment, and turn
3331 the if branch that guards it to continue.
3333 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3335 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3336 * cfgloop.h (struct loop): Remove unused fields.
3338 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3340 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3341 (-dL, -fdump-rtl-loop2): Update the dump file names
3343 * doc/invoke.texi: Update dump file names.
3345 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3347 * predict.c (estimate_probability): Remove.
3348 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3349 * basic-block.h (estimate_probability): Remove prototype.
3350 * passes.c (finish_optimization_passes): Dump branch prediction or
3351 profiling heuristics to the .profile tree dump.
3352 (init_optimization_passes): Unqueue pass_branch_prob.
3354 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3356 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3358 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3359 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3361 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3363 * function.h (frame_offset_overflow): Declare.
3364 * function.c (frame_offset_overflow): New function.
3365 (assign_stack_local_1): Call it to detect that the offset overflows.
3366 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3368 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3370 * config/sh/sh.c: Include alloc-pool.h.
3371 (label_ref_list_pool): New alloc pool.
3372 (label_ref_list_t): New type for lists of labels.
3373 (struct pool_node): Make wend a label_ref_list_t.
3374 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3376 (dump_table): Likewise.
3377 (sh_reorg): Set up the alloc pool before using add_constant and
3378 dump_table, and destroy it when finishing.
3380 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3382 * config/mips/mips.c: Remove redundant comment.
3384 2006-03-10 Jason Merrill <jason@redhat.com>
3387 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3388 the target was declared 'register'.
3390 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3392 * genpreds.c (write_insn_constraint_len): Change definition of
3393 insn_constraint_len to return size_t to match the declaration.
3395 2006-03-10 DJ Delorie <dj@redhat.com>
3397 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3399 (m32c_expand_insv): Fix test for an AND mask.
3401 2006-03-10 Richard Guenther <rguenther@suse.de>
3404 * builtins.c (get_pointer_alignment): Handle component
3405 references for field alignment.
3407 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3409 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3410 when building with libgloss.
3411 (sh*elf): Implement --without-fp option.
3412 (sh64-superh-linux*): Don't multilib.
3414 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3416 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3418 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3420 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3421 Set it when one of the replacement functions returned true.
3422 Return TODO_cleanup_cfg if cfgchanged is true.
3423 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3425 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3427 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3428 instead of gen_lowpart.
3430 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3432 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3434 (mips_output_order_conditional_branch): Declare.
3435 * config/mips/mips.h (MIPS_BRANCH): New macro.
3436 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3437 for the comparison. Use gen_condjump.
3438 (mips_output_conditional_branch): Rework interface to take the
3439 asm templates for a direct branch and the inverse of a direct branch.
3440 (mips_output_order_conditional_branch): New function.
3441 (mips_builtin_branch_and_move): New function.
3442 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3443 branch condition. Use gen_single_cc as the condition for
3444 __builtin_mips_upper_* or __builtin_mips_lower_*.
3445 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3446 Use VOIDmode for the branch condition.
3447 * config/mips/predicates.md (order_operator): New predicate.
3448 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3449 (branch_fp): Rename to...
3450 (*branch_fp): ...this. Remove mode from comparison operator.
3451 Use new mips_output_conditional_branch interface.
3452 (branch_fp_inverted): Rename to...
3453 (*branch_fp_inverted): ...this and update as for *branch_fp.
3454 (*branch_zero<mode>): Rename to...
3455 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3456 Use mips_output_order_conditional_branch. Only accept ordered
3458 (*branch_zero<mode>_inverted): Rename to...
3459 (*branch_order<mode>_inverted): ...this and update as for
3460 *branch_order<mode>.
3461 (*branch_equality<mode>): Accept zero as the second operand to
3462 the equality operator. Use the new mips_output_conditional_branch
3464 (*branch_equality<mode>_inverted): Likewise.
3465 (condjump): New expander.
3466 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3468 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3469 (bc1any2t, bc1any2f): Likewise.
3470 (single_cc): New expander.
3471 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3473 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3475 * doc/md.texi: Update documentation of MIPS constraints.
3476 * config/mips/constraints.md: New file.
3477 * config/mips/mips.md: Include it.
3478 * config/mips/mips.c (mips_char_to_class): Delete.
3479 (override_options): Don't initialize mips_char_to_class.
3480 * config/mips/mips.h (mips_char_to_class): Delete.
3481 (REG_CLASS_FROM_LETTER): Delete.
3482 (CONST_OK_FOR_LETTER_P): Delete.
3483 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3484 (EXTRA_CONSTRAINT_Y): Delete.
3485 (EXTRA_CONSTRAINT_STR): Delete.
3486 (CONSTRAINT_LEN): Delete.
3487 (EXTRA_MEMORY_CONSTRAINT): Delete.
3489 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3491 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3492 original fn's eh regions.
3494 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3496 * fold-const.c (build_range_check): Make sure to use a valid type to
3497 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3500 (range_predecessor): New static function.
3501 (range_successor): Likewise.
3502 (merge_ranges): Use them to compute predecessors and successors of
3505 2006-03-09 Roger Sayle <roger@eyesopen.com>
3508 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3509 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3511 2006-03-08 DJ Delorie <dj@redhat.com>
3513 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3514 (addpsi3): Expand to include memory operands. Remove
3515 reload-specific splits.
3516 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3517 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3518 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3519 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3520 (shift1_qi, shift1_hi, insv): New.
3521 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3522 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3523 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3525 * config/m32c/m32c-protos.h: Update as needed.
3526 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3527 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3528 Fail for unrecognized R* constraints.
3529 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3530 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3531 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3533 (m32c_init_libfuncs): New.
3534 (m32c_legitimate_address_p): Add debug wrapper.
3535 (m32c_rtx_costs): New.
3536 (m32c_address_cost): New.
3537 (conversions): Add 'B' prefix.
3538 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3539 operands, or word regnames for QI operands. 'B' prints bit
3541 (m32c_expand_setmemhi): New.
3542 (m32c_expand_movmemhi): New.
3543 (m32c_expand_movstr): New.
3544 (m32c_expand_cmpstr): New.
3545 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3546 (m32c_expand_neg_mulpsi3): Handle non-ints.
3547 (m32c_cmp_flg_0): New.
3548 (m32c_expand_movcc): New.
3549 (m32c_expand_insv): New.
3550 (m32c_scc_pattern): New.
3551 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3552 a0/a1 out of SIregs.
3553 (STORE_FLAG_VALUE): New.
3554 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3557 * config/m32c/mov.md: Make constraints more liberal.
3558 (zero_extendqihi2): Optimize r0/r1 case.
3559 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3560 * config/m32c/predicates.md (m32c_any_operand): New.
3561 (m32c_nonimmediate_operand): New.
3562 (m32c_hl_operand): New.
3563 (m32c_r3_operand): New.
3566 (memsym_operand): New.
3567 (memimmed_operand): New.
3568 (a_qi_operand): New.
3569 (m32c_eqne_operator): New.
3570 (m32c_1bit8_operand): New.
3571 (m32c_1bit16_operand): New.
3572 (m32c_1mask8_operand): New.
3573 (m32c_1mask16_operand): New.
3574 * config/m32c/blkmov.md: New file.
3575 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3577 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3579 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3580 unsigned to fix signed/unsigned comparison issue in
3581 DWARF2_FRAME_REG_OUT.
3582 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3583 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3585 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3586 of ptr into the ENABLE_CHECKING section.
3588 2006-03-08 Jeff Law <law@redhat.com>
3590 * tree-vrp.c (infer_value_range): Only count pointer uses
3591 and dereferences if -fdelete-null-pointer-checks is enabled.
3593 * tree-vrp.c (find_assert_locations): Infer value ranges for
3594 single use pointers, but do not create ASSERT_EXPRs for them.
3595 When a non-null range is inferred for a pointer, backwards
3596 propagate that range to other equivalent pointers through the
3599 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3602 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3603 language hook targets.
3604 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3605 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3606 if language hook targets were missing.
3608 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3610 * tree-ssa-opfinalize.h: Removed.
3611 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3613 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3614 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3615 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3616 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3617 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3618 finalize_ssa_v_must_def_ops): New.
3620 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3622 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3625 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3627 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3629 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3630 addresses with offsets; reorganize.
3632 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3633 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3634 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3636 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3639 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3641 2006-03-08 Ben Elliston <bje@au.ibm.com>
3643 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3645 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3648 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3651 2006-03-07 Richard Guenther <rguenther@suse.de>
3653 PR tree-optimization/26587
3654 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3656 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3658 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3660 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3662 * hooks.c (hook_bool_mode_rtx_true): New function.
3663 * hooks.h (hook_bool_mode_rtx_true): Declare.
3664 * toplev.c (compile_file): Call output_shared_constant_pool.
3665 * varasm.c (shared_constant_pool): New variable.
3666 (assemble_start_function, assemble_end_function): Remove arguments
3667 from call to output_constant_pool.
3668 (create_constant_pool): New function, split out from...
3669 (init_varasm_status): ...here.
3670 (force_const_mem): Choose between the shared and per-function constant
3671 pools. Set current_function_uses_const_pool when reusing old entries
3672 as well as when creating new ones.
3673 (mark_constant): Ignore data argument.
3674 (mark_constants): Remove pool argument.
3675 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3676 to decide whether the function uses a constant pool.
3677 (output_constant_pool_contents): New function, split out from...
3678 (output_constant_pool): ...here.
3679 (output_shared_constant_pool): New function.
3680 (init_varasm_once): Initialize shared_constant_pool.
3681 * output.h (output_constant_pool): Delete.
3682 (output_shared_constant_pool): Declare.
3683 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3684 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3686 2006-03-06 Nick Clifton <nickc@redhat.com>
3688 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3689 flag_strength_reduce.
3691 2006-03-06 Ben Elliston <bje@au.ibm.com>
3693 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3694 x86_64-*-linux* configurations.
3696 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3697 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3699 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3701 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3703 * basic-block.h: Remove the extern for
3704 rediscover_loops_after_threading.
3706 * cfgloop.c (cancel_loop): Make it static.
3707 * cfgloop.h: Remove the prototype for cancel_loop.
3709 * flow.c (recompute_reg_usage): Make it static.
3710 * rtl.h: Remove the prototype for recompute_reg_usage.
3712 * function.c (use_return_register): Make it static.
3713 * function.h: Remove the prototype.
3715 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3717 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3719 * recog.h: Remove the prototype for
3720 validate_change_maybe_volatile.
3722 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3724 * rtlanal.c (replace_reg): Remove.
3725 * rtl.h: Remove the prototype for replace_reg.
3727 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3729 * regclass.c (reg_scan_update): Remove.
3730 (reg_scan_mark_refs): Remove the last argument.
3731 * rtl.h: Remove the prototype for reg_scan_update.
3733 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3735 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3736 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3737 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3738 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3739 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3740 loop-invariant.c, omp-low.c, opts.c, passes.c,
3741 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3742 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3743 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3744 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3745 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3746 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3748 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3750 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3751 * dwarf2out.h: Remove the prototype for
3752 dwarf2out_add_library_unit_info.
3754 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3756 * tree.c (add_var_to_bind_expr): Remove.
3757 * tree.h: Remove the prototype for add_var_to_bind_expr.
3759 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3761 * regclass.c (n_non_fixed_regs): Remove.
3762 (init_reg_sets_1, globalize_reg): Remove all uses of
3764 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3766 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3768 * rtlanal.c (insns_safe_to_move_p): Remove.
3769 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3771 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3773 * expmed.c (expand_mult_add): Remove.
3774 * expr.h: Remove the prototype for expand_mult_add.
3776 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3778 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3779 and REG_SAVED_VAL_EXP constants.
3780 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3781 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3782 Handle regs stored by value.
3783 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3784 (execute_cfa_program): Handle DW_CFA_val_offset,
3785 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3786 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3787 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3788 (uw_install_context_1): Handle target regs stored by value.
3790 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3792 * tree-sra.c (tree_sra): Return todoflags;
3793 (generate_one_element): Set TODO_update_smt_usage if needed.
3794 (pass_sra): Remove TODO_update_smt_usage.
3795 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3797 (tree_ssa_forward_propagate_single_use_vars): Return
3798 TODO_update_smt_usage if we need to update SMT usage.
3799 (pass_forwprop): Remove TODO_update_smt_usage.
3801 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3803 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3804 (correct_use_link): Remove reference to get_stmt_operands.
3805 (update_stmt_operands): Likewise.
3806 (get_modify_expr_operands): New function factored out of
3807 parse_ssa_operands and get_expr_operands.
3808 Try to create V_MUST_DEFs for LHS by default.
3809 (get_expr_operands) <case MODIFY_EXPR>: Call
3810 get_modify_expr_operands.
3811 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3812 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3813 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3814 get_modify_expr_operands.
3816 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3818 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3819 * tree-flow.h: Remove the prototype for
3820 referenced_var_lookup_if_exists.
3822 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3824 PR rtl-optimization/26345
3826 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3828 2006-03-03 Roger Sayle <roger@eyesopen.com>
3830 PR tree-optimization/26524
3831 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3832 fold_convert to create a constant of the appropriate type.
3834 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3836 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3837 SYMBOL_REF_IN_BLOCK_P.
3838 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3839 of SYMBOL_FLAG_IN_BLOCK.
3840 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3841 instead of SYMBOL_REF_IN_BLOCK_P.
3842 * explow.c (use_anchored_address): Likewise.
3843 * rtl.c (rtx_size): Likewise.
3844 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3845 instead of SYMBOL_FLAG_IN_BLOCK.
3846 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3847 SYMBOL_REF_IN_BLOCK_P.
3848 (assemble_variable): Likewise.
3849 (output_constant_def_contents): Likewise.
3850 (output_constant_pool): Likewise.
3851 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3852 instead of SYMBOL_FLAG_IN_BLOCK.
3853 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3854 SYMBOL_REF_IN_BLOCK_P.
3855 (SYMBOL_REF_BLOCK): Likewise.
3856 (SYMBOL_REF_OFFSET): Likewise.
3857 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3858 SYMBOL_REF_IN_BLOCK_P.
3859 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3860 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3861 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3862 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3864 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3866 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3868 2006-03-02 Roger Sayle <roger@eyesopen.com>
3870 * simplify-rtx.c (simplify_unary_operation): When simplifying
3871 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3872 that we perform the right shift in the appropriate mode, and
3873 then extend or truncate the result to requested mode.
3875 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3877 * gengtype.c (main): Handle double_int type.
3878 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3879 * double-int.c: New file.
3880 * double-int.h: New file.
3881 * system.h: Include doubleint.h.
3882 * Makefile.in (SYSTEM_H): Include double-int.h.
3883 (double-int.o): Add.
3885 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3888 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3891 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3893 * tree-vrp.c (remove_range_assertions): Do not update statements
3896 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3898 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3900 * gcse.c (rest_of_handle_gcse): Ditto.
3901 * except.c (gate_handle_eh): Ditto.
3902 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3903 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3905 2006-03-02 Eric Christopher <echristo@apple.com>
3907 * config/i386/i386.c (machopic_output_stub): Add indirection to
3910 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3914 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3916 Sun Niagara specific optimizations.
3917 * config.gcc: Recognize niagara as target.
3918 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3919 (TARGET_CPU_niagara): Define.
3920 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3921 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3922 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3923 (ASM_CPU_SPEC): Likewise.
3924 (PROCESSOR_NIAGARA): New enum entry.
3925 (REGISTER_MOVE_COST): Handle Niagara.
3926 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3927 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3928 (sparc_override_options): Recognize "niagara", set appropriate
3929 default MASK_* values for it, and align functions to 32-bytes
3930 by default just like ULTRASPARC/ULTRASPARC3.
3931 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3932 (sparc64_initialize_trampoline): Likewise.
3933 (sparc_use_sched_lookahead): Use zero for niagara.
3934 (sparc_issue_rate): Use one for niagara.
3935 * config/sparc/niagara.md: New file.
3936 * config/sparc/sparc.md: Include it.
3937 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3938 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3939 when default cpu is niagara.
3940 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3941 (ASM_CPU_SPEC): Likewise.
3942 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3943 when default cpu is niagara.
3944 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3945 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3946 just like v9/ultrasparc/ultrasparc3.
3947 * doc/invoke.texi: Add documentation for "niagara" and improve
3948 existing documentation for ultrasparc variants.
3950 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3952 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3954 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3956 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3957 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3958 and say that only one is needed.
3959 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3960 * target.h (have_switchable_bss_sections): New hook.
3961 * explow.c (use_anchored_address): Check that the symbol is in a block.
3962 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3963 (bss_noswitch_section): New variables.
3964 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3965 (get_noswitch_section): New function.
3966 (get_block_for_section): Allow SECT to be null.
3967 (unlikely_text_section_p): Use SECTION_STYLE.
3968 (bss_initializer_p): New function.
3969 (get_variable_section): Move earlier in file. Take a new argument,
3970 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3971 Return one of the new *_sections in such cases.
3972 (get_block_for_decl): New function, extracting some logic from
3973 use_blocks_for_decl_p.
3974 (change_symbol_section): Remove in favor of...
3975 (change_symbol_block): ...this new function.
3976 (use_blocks_for_decl_p): Remove checks now performed by
3978 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3979 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3980 (emit_local, emit_bss, emit_common): ...these new functions.
3981 Return true if the alignment was honored.
3982 (emit_tls_common): New function.
3983 (asm_emit_uninitialised): Delete.
3984 (assemble_variable_noswitch): New function, split out from...
3985 (assemble_variable): ...here. Don't make decisions about common
3986 variables here. Globalize all public decls that go into non-common
3987 sections. Check whether SYMBOL_REF_BLOCK is null.
3988 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3989 (output_constant_pool): Likewise.
3990 (init_varasm_once): Initialize the new section variables.
3991 (have_global_bss_p): New function.
3992 (categorize_decl_for_section): Use bss_initializer_p.
3993 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3994 (place_block_symbol): Assert that the symbol must be in a block.
3995 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3996 (TARGET_INITIALIZER): Include it.
3997 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3998 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3999 (SECTION_MACH_DEP): Bump by two.
4000 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4001 (unnamed_section): Mention SECTION_UNNAMED in comment.
4002 (named_section): Likewise SECTION_NAMED.
4003 (noswitch_section_callback): New type.
4004 (noswitch_section): New structure.
4005 (section): Add a noswitch_section alternative.
4006 (SECTION_STYLE): New macro.
4007 (tls_comm_section, comm_section, lcomm_section): Declare.
4008 (bss_noswitch_section, have_global_bss_p): Declare.
4009 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4010 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4012 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4013 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4016 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4018 * gcc/tree-vrp.c (execute_vrp): Return value.
4019 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4020 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4021 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4022 (tree_lower_complex_O0): Ditto.
4023 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4024 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4025 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4026 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4027 (execute_tail_calls): Ditto.
4028 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4029 * gcc/tree.h (init_function_for_compilation): Ditto.
4030 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4031 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4032 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4033 * gcc/final.c (compute_alignments): Ditto.
4034 (rest_of_handle_final): Ditto.
4035 (rest_of_handle_shorten_branches): Ditto.
4036 (rest_of_clean_state): Ditto.
4037 * gcc/omp-low.c (execute_expand_omp): Ditto.
4038 (execute_lower_omp): Ditto.
4039 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4040 * gcc/ipa-reference.c (static_execute): Ditto.
4041 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4042 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4043 (rest_of_handle_machine_reorg): Ditto.
4044 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4045 * gcc/flow.c (recompute_reg_usage): Ditto.
4046 (rest_of_handle_remove_death_notes): Ditto.
4047 (rest_of_handle_life): Ditto.
4048 (rest_of_handle_flow2): Ditto.
4049 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4050 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4051 (do_ssa_store_ccp): Ditto.
4052 (execute_fold_all_builtins): Ditto.
4053 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4054 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4055 * gcc/ipa-pure-const.c (static_execute): Ditto.
4056 * gcc/cse.c (rest_of_handle_cse): Ditto.
4057 (rest_of_handle_cse2): Ditto.
4058 * gcc/web.c (rest_of_handle_web): Ditto.
4059 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4060 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4061 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4062 * gcc/tree-nrv.c (tree_nrv): Ditto.
4063 (execute_return_slot_opt): Ditto.
4064 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4065 (create_structure_vars): Ditto.
4066 * gcc/loop-init.c (rtl_loop_init): Ditto.
4067 (rtl_loop_done): Ditto.
4068 (rtl_move_loop_invariants): Ditto.
4069 (rtl_unswitch): Ditto.
4070 (rtl_unroll_and_peel_loops): Ditto.
4071 (rtl_doloop): Ditto.
4072 * gcc/gimple-low.c (lower_function_body): Ditto.
4073 (mark_used_blocks): Ditto.
4074 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4075 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4076 (cgraph_early_inlining): Ditto.
4077 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4078 * gcc/jump.c (cleanup_barriers): Ditto.
4079 (purge_line_number_notes): Ditto.
4080 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4081 (rest_of_handle_if_after_reload): Ditto.
4082 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4083 (tree_ssa_loop_im): Ditto.
4084 (tree_ssa_loop_unswitch): Ditto.
4085 (tree_vectorize): Ditto.
4086 (tree_linear_transform): Ditto.
4087 (tree_ssa_loop_ivcanon): Ditto.
4088 (tree_ssa_empty_loop): Ditto.
4089 (tree_ssa_loop_bounds): Ditto.
4090 (tree_complete_unroll): Ditto.
4091 (tree_ssa_loop_prefetch): Ditto.
4092 (tree_ssa_loop_ivopts): Ditto.
4093 (tree_ssa_loop_done): Ditto.
4094 * gcc/predict.c (tree_estimate_probability): Ditto.
4095 * gcc/recog.c (split_all_insns_noflow): Ditto.
4096 (rest_of_handle_peephole2): Ditto.
4097 (rest_of_handle_split_all_insns): Ditto.
4098 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4099 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4100 (rest_of_handle_stack_adjustments): Ditto.
4101 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4102 * gcc/function.c (instantiate_virtual_regs): Ditto.
4103 (init_function_for_compilation): Ditto.
4104 (rest_of_handle_check_leaf_regs): Ditto.
4105 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4106 (rest_of_handle_gcse): Ditto.
4107 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4108 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4109 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4110 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4111 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4112 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4113 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4114 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4115 * gcc/except.c (set_nothrow_function_flags): Ditto.
4116 (convert_to_eh_region_ranges): Ditto.
4117 (rest_of_handle_eh): Ditto.
4118 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4119 (remove_unnecessary_notes): Ditto.
4120 * gcc/except.h (set_nothrow_function_flags): Ditto.
4121 (convert_to_eh_region_ranges): Ditto.
4122 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4123 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4124 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4125 (execute_fre): Ditto.
4126 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4127 (rest_of_handle_jump2): Ditto.
4128 * gcc/tree-sra.c (tree_sra): Ditto.
4129 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4130 (execute_mudflap_function_decls): Ditto.
4131 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4132 (do_store_copy_prop): Ditto.
4133 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4134 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4135 * gcc/tree-ssa-forwprop.c
4136 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4137 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4138 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4139 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4140 (execute_late_warn_uninitialized): Ditto.
4141 * gcc/rtl.h (cleanup_barriers): Ditto.
4142 (split_all_insns_noflow): Ditto.
4143 (purge_line_number_notes): Ditto.
4144 (unshare_all_rtl): Ditto.
4145 (remove_unnecessary_notes): Ditto.
4146 (recompute_reg_usage): Ditto.
4147 (variable_tracking_main): Ditto.
4148 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4149 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4150 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4151 (execute_free_cfg_annotations): Ditto.
4152 (execute_fixup_cfg): Ditto.
4153 (execute_cleanup_cfg_pre_ipa): Ditto.
4154 (execute_cleanup_cfg_post_optimizing): Ditto.
4155 (execute_init_datastructures): Ditto.
4156 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4157 * gcc/combine.c (rest_of_handle_combine): Ditto.
4158 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4159 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4160 (rest_of_handle_reorder_blocks): Ditto.
4161 (rest_of_handle_partition_blocks): Ditto.
4162 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4163 * gcc/tree-profile.c (tree_profiling): Ditto.
4164 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4165 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4166 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4167 (rest_of_handle_sched2): Ditto.
4168 * gcc/basic-block.h (free_bb_insn): Ditto.
4169 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4170 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4171 (remove_useless_stmts): Ditto.
4172 (split_critical_edges): Ditto.
4173 (execute_warn_function_return): Ditto.
4174 (execute_warn_function_noreturn): Ditto.
4175 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4176 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4177 * gcc/passes.c (execute_one_pass): Run additional
4178 todos returned by execute function.
4179 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4182 2006-03-02 Richard Guenther <rguenther@suse.de>
4184 * tree-ssa-alias.c (find_used_portions): Consider taking
4185 the address as making the variable not write-only.
4187 2006-03-02 Nick Clifton <nickc@redhat.com>
4189 * config.gcc (default_use_cxa_atexit): Extend the description of
4190 this configure variable. Set its default value to "yes" for
4191 Linux, NetBSD and ELF targets on the assumption that they will
4192 use C libraries with the __cxa_atexit function.
4194 2006-03-02 Ben Elliston <bje@au.ibm.com>
4196 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4197 parameter as unused to suppress a build warning.
4199 2006-03-02 Ben Elliston <bje@au.ibm.com>
4201 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4204 2006-03-01 Roger Sayle <roger@eyesopen.com>
4207 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4208 declared name, the weak reference name, and the typeof name.
4209 (__gthrw): Avoid expanding the declared name suffix.
4210 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4212 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4214 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4216 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4217 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4218 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4219 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4220 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4221 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4222 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4223 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4224 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4225 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4226 (DW_END_default, DW_END_big, DW_END_little): New.
4227 (DW_END_lo_user, DW_END_hi_user): Define.
4228 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4229 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4230 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4233 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4235 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4237 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4239 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4241 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4243 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4244 to 'symbol_mem_tag'.
4246 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4249 2006-03-01 Roger Sayle <roger@eyesopen.com>
4251 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4253 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4256 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4257 MACHO_DYNAMIC_NO_PIC_P.
4258 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4260 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4263 * config/darwin-protos.h (darwin_asm_output_anchor):
4265 * config/darwin-sections.def (cstring_section):
4266 Add SECTION_MERGE to the flags.
4267 (literal4_section): Likewise.
4268 (literal8_section): Likewise.
4269 (objc_selector_refs_section): Likewise.
4270 (objc_cls_refs_section): Likewise.
4271 * config/darwin.c (darwin_asm_output_anchor): New
4273 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4275 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4277 Fix PR tree-optimization/26443
4278 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4279 to todo and PROP_tmt_usage to properties_destroyed.
4280 * tree-ssa-ccp.c (pass_ccp): Ditto.
4281 (pass_store_ccp): Ditto.
4282 * tree-ssa-dom.c (pass_dominator): Ditto.
4284 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4286 * tree-ssa-operands.c: Cleanup whitespace.
4287 (get_asm_expr_operands): Move before first invocation.
4288 (get_indirect_ref_operands): Likewise.
4289 (get_tmr_operands): Likewise.
4290 (get_call_expr_operands): Likewise.
4291 (append_def): Likewise.
4292 (append_use): Likewise.
4293 (append_v_may_def): Likewise.
4294 (append_v_must_def): Likewise.
4295 (add_call_clobber_ops): Likewise.
4296 (add_call_read_ops): Likewise.
4297 (add_stmt_operand): Likewise.
4298 (add_virtual_operand): Likewise.
4299 (build_ssa_operands): Likewise.
4301 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4306 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4307 with a call expr to ...
4308 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4310 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4312 * tree-vrp.c (extract_range_from_assert): Remove special
4313 handling for types with super-types.
4315 2006-03-01 Ben Elliston <bje@au.ibm.com>
4317 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4318 and powerpc64-*-linux* configurations.
4319 * config/t-dfprules: New file.
4321 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4322 Compile dfp-bit.c from the source directory using -DWIDTH and
4323 $DFP_CFLAGS to control the compilation of that file, rather than
4324 generating width-specific versions in the build directory.
4325 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4326 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4328 2006-02-28 Zack Weinberg <zackw@panix.com>
4330 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4333 2006-02-28 Eric Christopher <echristo@apple.com>
4335 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4336 Set up IN_LIBGCC definition of TARGET_64BIT.
4337 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4339 2006-02-28 Roger Sayle <roger@eyesopen.com>
4342 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4343 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4344 cases via the construction of "expr != 0".
4346 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4348 * alias.c (alias_invariant, alias_invariant_size): Remove.
4349 (record_base_value): Remove.
4350 (memrefs_conflict_p): Don't look at alias_invariant.
4351 (end_alias_analysis): Don't free it.
4352 * alias.h (record_base_value): Remove prototype.
4354 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4355 Adam Nemet <anemet@caviumnetworks.com>
4357 * rtl.h (truncated_to_mode): Declare it.
4358 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4359 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4360 (RTL_HOOKS_INITIALIZER): Include it.
4361 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4362 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4363 reg_truncated_to_mode.
4364 * rtlanal.c (truncated_to_mode): Define it.
4365 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4367 2006-02-28 Jeff Law <law@redhat.com>
4369 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4370 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4371 the range allowed by TYPE_PRECISION.
4373 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4375 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4377 PR tree-optimization/26419
4378 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4381 2006-02-27 Zack Weinberg <zackw@panix.com>
4383 * doc/md.texi: Fix typo in previous change.
4385 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4389 2006-02-27 Zack Weinberg <zackw@panix.com>
4391 * rtl.def (define_constraint, define_register_constraint)
4392 (define_memory_constraint, define_address_constraint): New MD forms.
4393 * gensupport.c (process_rtx): Put define_constraint etc on the
4395 * genpreds.c (process_define_predicate): Adjust comment. Validate
4396 the name, and call validate_exp to validate the expression.
4397 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4398 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4399 all callers changed.
4400 (validate_exp, needs_variable, struct constraint_data)
4401 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4402 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4403 (const_dbl_constraints, constraint_max_namelen)
4404 (have_register_constraints, have_memory_constraints)
4405 (have_address_constraints, have_address_constraints)
4406 (have_extra_constraints, have_const_int_constraints)
4407 (have_const_dbl_constraints, mangle, add_constraint)
4408 (process_define_constraint, process_define_register_constraint)
4409 (write_enum_constraint_num, write_lookup_constraint)
4410 (write_insn_constraint_len, write_regclass_for_constraint)
4411 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4412 (write_insn_extra_memory_constraint)
4413 (write_insn_extra_address_constraint)
4414 (write_satisfies_constraint_fns): New.
4415 (write_tm_preds_h): If we have new-style constraint definitions,
4416 prototype the functions generated from them, and define the
4417 old constraint interface (still used by generic code) in terms of
4419 (write_insn_preds_c): If we have new-style constraint definitions,
4420 generate all relevant functions from those definitions.
4421 (main): Handle define_constraint etc.
4422 * genoutput.c (struct constraint_data, indep_constraints)
4423 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4424 (mdep_constraint_len): New data structures and functions, defined
4425 #ifdef USE_MD_CONSTRAINTS.
4426 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4427 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4428 use new logic to validate operand constraints against constraint
4430 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4432 * defaults.h: If none of the old-style constraint macros are
4433 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4434 old-style macros; and poison REG_CLASS_FROM_LETTER,
4435 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4437 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4438 * doc/md.texi: Document new constraint-definition mechanism and the
4439 C interface it provides. Remove references to old mechanism
4440 elsewhere in the document.
4441 (Machine Constraints): Use pathnames relative to gcc directory,
4442 i.e. config/ARCH/FILE. Change i386 section to refer to
4443 config/i386/predicates.md; update that section to match docstrings.
4444 * doc/tm.texi: Move all documentation of the old constraint-
4445 definition macros to their own section, clearly mark as obsolete.
4447 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4448 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4450 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4451 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4452 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4454 (splits and peepholes): Use satisfies_constraint_*.
4455 * config/i386/i386.c (memory_address_length)
4456 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4458 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4460 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4461 scalar operation to be put back into the loop.
4463 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4466 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4467 (extract_cie_info): Handle S flag in augmentation string.
4468 (execute_cfa_program): If context->signal_frame, execute also
4469 fs->pc == context->ra instructions.
4470 (uw_frame_state_for): If context->signal_frame, don't subtract one
4471 from context->ra to find FDE.
4472 (uw_update_context_1): Set context->signal_frame to
4474 (_Unwind_GetIPInfo): New function.
4475 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4476 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4478 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4479 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4480 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4481 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4482 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4483 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4484 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4485 x86_64_fallback_frame_state): Set fs->signal_frame.
4486 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4487 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4488 (frob_update_context): Likewise. Workaround missing S flag in
4489 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4490 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4491 Remove the psw_addr + 1 hack.
4493 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4495 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4496 with aggregates here.
4497 (find_func_aliases): Remove code for &<aggregate> from here.
4499 2006-02-26 Roger Sayle <roger@eyesopen.com>
4501 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4502 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4503 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4506 2006-02-26 Roger Sayle <roger@eyesopen.com>
4509 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4511 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4513 * opts.c (decode_options): Do not handle flag_strength_reduce.
4514 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4515 and OPT_fstrength_reduce.
4516 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4517 flag_prefetch_loop_arrays for being nonzero.
4518 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4520 (fprefetch-loop-arrays-rtl): Removed.
4521 (flag_prefetch_loop_arrays): Do not specify the value.
4523 * doc/passes.texi: Update documentation of loop optimizer
4525 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4526 -frerun-loop-opt): Remove.
4528 2006-02-26 Richard Guenther <rguenther@suse.de>
4530 PR tree-optimization/26421
4531 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4532 in function calls that are ADDR_EXPRs as using the whole structure.
4534 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4536 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4537 * tree-pass.h (pass_loop_optimize): Remove.
4538 * passes.c (pass_loop_optimize): Never run it.
4539 * toplev.c (backend_init): Don't call init_loop.
4540 * opts.c (flag_loop_optimize_set): Remove.
4541 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4542 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4543 the old RTL loop optimizer when profiling enabled.
4544 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4545 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4546 pre-headers for the sake of the old RTL loop optimizer.
4547 * Makefile.in: Remove all references to loop.o.
4549 * doc/invoke.texi: Remove all references to -floop-optimize
4550 and -frerun-loop-opt.
4552 2006-02-26 Zack Weinberg <zackw@panix.com>
4554 * doc/md.texi (Machine Constraints): Refer to all files with paths
4555 relative to gcc directory (i.e. config/CPU/file). Add missing
4556 @table @code ... @end table to M32C subsection.
4558 2006-02-26 Roger Sayle <roger@eyesopen.com>
4560 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4562 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4564 2006-02-26 Roger Sayle <roger@eyesopen.com>
4565 James A. Morrison <phython@gcc.gnu.org>
4568 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4569 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4570 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4571 signedness of the shift operation.
4573 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4575 PR tree-optimization/26359
4576 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4578 2006-02-25 Roger Sayle <roger@eyesopen.com>
4580 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4581 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4582 as X == 0, and some symmetry related transformations.
4583 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4585 2006-02-25 Roger Sayle <roger@eyesopen.com>
4588 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4589 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4590 symmetry related transformations. Fold (X^C1) == C2 as
4593 2006-02-25 Juergen Weigert <jw@suse.de>
4594 Richard Guenther <rguenther@suse.de>
4596 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4598 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4600 * combine.c (gen_lowpart_or_truncate): Call
4601 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4603 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4605 * doc/invoke.texi: Move -fopenmp description to "Options for
4607 Remove reference to -lgomp.
4609 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4611 * doc/install.texi: Require GNU tar version 1.14.
4613 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4615 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4616 * doc/invoke.texi (C++ Dialect Options): Document
4617 -fno-use-cxa-get-exception-ptr.
4618 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4619 * configure: Regenerate.
4620 * c.opt (fuse-cxa-get-exception-ptr): New.
4621 * c-opts.c (c_common_handle_option): Handle
4622 OPT_fuse_cxa_get_exception_ptr.
4623 * c-common.c (flag_use_cxa_atexit): Update documentation.
4624 (flag_use_cxa_get_exception_ptr): New.
4625 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4626 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4628 (C_COMMON_OVERRIDE_OPTIONS): New.
4630 2006-02-24 Roger Sayle <roger@eyesopen.com>
4633 * combine.c (try_combine): Explicitly check whether GET_CODE is
4634 a SET or a CLOBBER, instead on checking that it isn't a USE.
4636 2006-02-24 Roger Sayle <roger@eyesopen.com>
4638 * fold-const.c (fold_comparison): New subroutine of fold_binary
4639 containing transformations common to both the equality and
4640 ordering relational operators, factored out of fold_binary.
4641 (fold_binary): Separate out the equality operators (EQ_EXPR
4642 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4643 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4644 transformations common to both.
4645 (fold_div_compare): Fix latent bugs in the previously unreachable
4646 LT_EXPR and GE_EXPR cases.
4648 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4650 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4651 decl libname for clog to __clog on AIX.
4653 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4655 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4658 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4659 output traceback table for thunks. Localise rs6000_stack_info call.
4661 2006-02-23 Roger Sayle <roger@eyesopen.com>
4662 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4664 * gthr-posix.h (__gthrw): Fix typo in comment.
4666 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4668 * doc/cpp.texi (Character sets): Document that we do support
4669 input files to be in any character set.
4671 2006-02-23 Jeff Law <law@redhat.com>
4673 * tree.h (PHI_ARG_NONZERO): Remove.
4674 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4675 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4676 node to the new node.
4678 PR tree-optimization/26425
4679 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4680 min/max, then assume its varying.
4682 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4684 PR rtl-optimization/26316
4685 * rtlanal.c (enum may_trap_p_flags): New.
4686 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4687 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4688 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4689 (may_trap_after_code_motion_p): New function.
4690 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4691 (find_invariant_insn): Use may_trap_after_code_motion_p.
4692 * rtl.h (may_trap_after_code_motion_p): Declare.
4694 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4696 * emit-rtl.c (immed_double_const): Cleanup.
4698 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4700 Fix PR tree-optimization/26376
4701 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4704 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4707 * gimplify.c (omp_add_variable): Guard variable size decl test with
4708 DECL_SIZE (decl) check.
4710 2006-02-23 Richard Guenther <rguenther@suse.de>
4713 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4714 like aggregate types.
4716 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4718 * configure.ac: Add --with{,out}-long-double-128 configure option.
4719 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4720 * configure: Rebuilt.
4721 * config.in: Rebuilt.
4722 * doc/install.texi (Options specification): Document
4723 --with-long-double-128.
4725 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4726 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4727 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4728 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4730 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4732 * config/s390/s390.c (override_options): Handle
4733 TARGET_DEFAULT_LONG_DOUBLE_128.
4735 * config/alpha/alpha.c (override_options): Handle
4736 TARGET_DEFAULT_LONG_DOUBLE_128.
4738 * config/sparc/sparc.c (sparc_override_options): Handle
4739 TARGET_DEFAULT_LONG_DOUBLE_128.
4741 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4743 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4744 (real-install-headers-tar, real-install-headers-cpio)
4745 (real-install-headers-cp): New targets.
4747 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4749 * tree.h (variable_section): Delete.
4750 * varasm.c (variable_section): Delete.
4752 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4754 * install.texi: Add notes on install.texi2html.
4755 (Building in parallel): Do not use footnotes.
4757 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4760 * doc/install.texi (Configuration): Document --disable-libgomp.
4762 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4764 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4766 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4768 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4769 (vec_extractv2df_0_sse): New.
4771 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4773 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4774 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4775 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4776 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4777 to the result of the expression.
4778 (def_cfa_1): Adjust.
4779 (frame_pointer_cfa_offset): Rename to...
4780 (frame_pointer_fb_offset): ... this. Adjust all uses.
4781 (convert_cfa_to_loc_list): Rename to...
4782 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4783 Pass it on to build_cfa_loc.
4784 (compute_frame_pointer_to_cfa_displacement): Rename to...
4785 (compute_frame_pointer_to_fb_displacement): ... this. New
4786 offset parameter. Use it in computation.
4787 (gen_subprogram_die): Compute cfa_fb_offset with the new
4788 macro, and use it to compute the fb loc list and the
4791 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4793 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4794 replaced with register_operand.
4795 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4796 non-DREG is expensive.
4797 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4798 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4801 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4803 * doc/install.texi2html: Use set -e.
4805 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4807 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4808 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4809 * doc/invoke.texi (-fshared-data): Delete.
4810 * common.opt (fshared-data): Delete.
4811 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4812 (assemble_static_space): Remove #if 0 code.
4813 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4814 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4815 * config/cris/cris.h: Remove FIXME.
4817 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4819 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4822 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4825 * combine.c (simplify_shift_const_1): Disable nested shifts
4826 optimization for vector shifts.
4828 2006-02-20 Roger Sayle <roger@eyesopen.com>
4830 PR tree-optimization/26361
4831 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4832 of unsigned integer types.
4834 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4836 * tree-chrec.c (eq_evolutions_p): New.
4837 * tree-chrec.h (eq_evolutions_p): Declared.
4838 * tree-data-ref.c: Fix formatting.
4839 (datadep_stats, dependence_stats): New.
4841 (print_direction_vector): New.
4842 (dump_data_dependence_relation): Use print_direction_vector.
4843 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4844 (compute_subscript_distance): Static.
4845 (initialize_data_dependence_relation): Static. Get the number
4846 of loops surrounding the references from the callers, and initialize
4847 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4848 base_object_differ_p analyzers.
4849 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4850 compute_overlap_steps_for_affine_1_2,
4851 analyze_subscript_affine_affine): Count the classified dependences.
4852 Print a message when a test failed.
4853 (can_use_analyze_subscript_affine_affine): New.
4854 (analyze_siv_subscript): Compute the data dependences on symbolic
4855 scevs that verify can_use_analyze_subscript_affine_affine.
4856 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4857 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4858 Handle symbolic scevs.
4859 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4861 (subscript_dependence_tester): Moved...
4862 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4863 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4864 DDR_SIZE_VECT instead of getting it in parameter.
4865 (subscript_dependence_tester): ... here. Take as a parameter
4866 loop_nest_depth. Call build_classic_dist_vector and
4867 build_classic_dir_vector.
4868 (compute_affine_dependence): Update subscript_dependence_tester
4869 parameters. Update datadep_stats counters. Call
4870 compute_subscript_distance.
4871 (compute_self_dependence): Save the dist and dir vectors. Call
4872 compute_subscript_distance.
4873 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4874 (compute_all_dependences): Reorder parameters as they were before
4875 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4876 compute_subscript_distance. Update the use of
4877 compute_affine_dependence and initialize_data_dependence_relation.
4878 (find_data_references_in_loop): Handle COMPONENT_REF.
4879 (compute_data_dependences_for_loop): Initialize dependence_stats.
4880 Don't call build_classic_dist_vector and build_classic_dir_vector.
4881 Update the parameters of initialize_data_dependence_relation and
4882 compute_all_dependences. Print the statistics from datadep_stats.
4883 (analyze_all_data_dependences): Static. Not used until the pass for
4884 checking the data dependences is contributed.
4885 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4886 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4887 (initialize_data_dependence_relation, compute_affine_dependence,
4888 analyze_all_data_dependences, compute_subscript_distance): Removed.
4889 (print_direction_vector): New.
4890 * lambda.h (gcd): ... here.
4891 (lambda_vector_gcd): Moved here from gcd_vector.
4892 * lambda-code.c (gcd, gcd_vector): Removed.
4893 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4894 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4896 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4898 * ipa-type-escape.c: Tidy some comments and white space.
4899 * tree-ssa-operands.c: Likewise.
4901 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4904 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4905 (dump_decl_name): Do not walk the decl tree chains.
4906 * tree-pass.h (TDF_CHAIN): Remove.
4908 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4910 * Makefile.in (C): Remove
4912 (.PHONY): Remove C and PROTO
4914 2006-02-20 Roger Sayle <roger@eyesopen.com>
4917 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4918 deprecated CHAR_TYPE tree code.
4920 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4922 * configure.ac (target_list): Add install-info, dvi, html.
4923 * configure: Regenerate.
4925 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4926 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4927 treelang/Make-lang.in: Do not use double-colon rules.
4929 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4931 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4932 (TMT_USED_ALONE): New macro.
4933 * tree-pass.h (PROP_tmt_usage): New property.
4934 (TODO_update_tmt_usage): New todo.
4935 * tree-ssa-alias.c (updating_used_alone): New variable.
4936 (recalculate_used_alone): New function.
4937 (compute_may_aliases): Set updating_used_alone, call
4938 recalculate_used_alone.
4939 * tree-sra.c (pass_sra): Note that this pass destroys
4940 PROP_tmt_usage, and add TODO_update_tmt_usage.
4941 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4942 * tree-flow.h (updating_used_alone): Prototype.
4943 (recalculate_used_alone): Ditto.
4944 * passes.c (execute_todo): Add code to set updating_used_alone,
4945 and call recalculate.
4946 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4947 for clobber if used alone, and add assert to verify used_alone
4950 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4952 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4953 for non tls symbols added.
4954 (legitimize_address): Do nothing for PLUS expressions if one of the
4955 addends is a tls symbol reference.
4957 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4961 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4963 * Makefile.in (BOOTSTRAPPING): New.
4964 (quickstrap): New definition if BOOTSTRAPPING=yes.
4966 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4967 * configure.ac: Substitute all_selected_languages with the languages
4968 that were configured. For all the other variables except
4969 lang_specs_files, include all the languages in the tree.
4970 * configure: Regenerate.
4972 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4973 if there is one. Run the commands to run fixincludes in the same
4976 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4977 * doc/install.texi: Document exact conventions for searching target tools.
4978 Document --with-build-time-tools. Document toplevel bootstrap. Document
4979 something more about building an Ada cross-compiler. Don't list GNU Make
4980 requirements which affect all platforms.
4982 2006-02-19 Roger Sayle <roger@eyesopen.com>
4985 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4986 only equivalent if the have both the same mode and precision.
4988 2006-02-20 Ben Elliston <bje@au.ibm.com>
4990 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4992 2006-02-19 Roger Sayle <roger@eyesopen.com>
4993 Steven Bosscher <stevenb.gcc@gmail.com>
4995 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4996 constant pool references to identify stack mode constants.
4997 * rtlanal.c (constant_pool_constant_p): New predicate to check
4998 whether operand is a floating point constant in the pool.
4999 * rtl.h (constant_pool_constant_p): Prototype here.
5000 * loop.c (scan_loop): Avoid hoisting constants from the constant
5001 pool on STACK_REGS targets.
5002 (load_mems): Likewise.
5003 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5004 loads into x87 registers expensive in terms of register pressure.
5006 2006-02-19 Roger Sayle <roger@eyesopen.com>
5008 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5009 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5011 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5013 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5014 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5016 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5018 * doc/invoke.texi: Document -fipa-pta.
5019 * common.opt: Add ipa-pta option.
5020 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5021 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5022 (do_ds_constraint): Ditto.
5023 (get_constraint_for): Only add to referenced_vars if
5024 referenced_vars exists.
5025 (insert_into_field_list): Rewrite to do this unsorted.
5026 (insert_into_field_list_sorted): Rename old insert_into_field_list
5028 (create_function_info_for): Use insert_into_field_list_sorted.
5029 (create_variable_info_for): Rewrite so it uses unsorted version,
5030 since the field list is sorted.
5031 (intra_create_variable_infos): Only add to referenced_vars if
5032 referenced_vars exists.
5033 (ipa_pta_execute): Init heapvars, and delete when done.
5034 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5036 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5038 * doc/install.texi: Add missing `@samp'.
5040 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5042 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5045 2006-02-18 Mark Wielaard <mark@klomp.org>
5047 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5048 who added new 4.1 features, bug fixes and integration support.
5050 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5053 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5056 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5058 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5059 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5060 (copy_insn_1): Likewise. Don't copy each field individually.
5062 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5064 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5065 * rtl.c (rtx_size): Rename variable to...
5066 (rtx_code_size): ...this.
5067 (rtx_size): New function.
5068 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5069 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5071 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5072 * rtl.h (rtx_code_size): New variable.
5073 (rtx_size): Change from a variable to a function.
5074 (RTX_SIZE): Rename to...
5075 (RTX_CODE_SIZE): ...this.
5078 PR tree-optimization/17106
5079 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5080 (Anchored Addresses): New section.
5081 * doc/invoke.texi (-fsection-anchors): Document.
5082 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5083 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5084 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5085 * hooks.c (hook_bool_mode_rtx_false): New function.
5086 * hooks.h (hook_bool_mode_rtx_false): Declare.
5087 * gengtype.c (create_optional_field): New function.
5088 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5089 SYMBOL_REF_IN_BLOCK_P is true.
5090 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5091 (min_anchor_offset, max_anchor_offset): Likewise.
5092 (use_anchors_for_symbol_p): New hook.
5093 * toplev.c (compile_file): Call output_object_blocks.
5094 (target_supports_section_anchors_p): New function.
5095 (process_options): Check that -fsection-anchors is only used on
5096 targets that support it and when -funit-at-a-time is in effect.
5097 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5098 if the decl doesn't have one.
5099 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5100 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5101 of force_const_mem through use_anchored_address.
5102 (expand_expr_constant): New function.
5103 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5104 calling expand_expr for INDIRECT_REF.
5105 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5106 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5107 * expr.h (use_anchored_address): Declare.
5108 * loop-unroll.c: Don't declare rtx vectors here.
5109 * explow.c: Include output.h.
5110 (validize_mem): Call use_anchored_address.
5111 (use_anchored_address): New function.
5112 * common.opt (-fsection-anchors): New switch.
5113 * varasm.c (object_block_htab, anchor_labelno): New variables.
5114 (hash_section, object_block_entry_eq, object_block_entry_hash)
5115 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5116 (use_blocks_for_decl_p, change_symbol_section): New functions.
5117 (get_variable_section): New function, split out from assemble_variable.
5118 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5119 use_blocks_for_decl_p say so. Use change_symbol_section if the
5120 symbol has already been created.
5121 (assemble_variable_contents): New function, split out from...
5122 (assemble_variable): ...here. Don't output any code for
5123 block symbols; just pass them to place_block_symbol.
5124 Use get_variable_section and assemble_variable_contents.
5125 (get_constant_alignment, get_constant_section, get_constant_size): New
5126 functions, split from output_constant_def_contents.
5127 (build_constant_desc): Create a block symbol if use_object_blocks_p
5128 says so. Or into SYMBOL_REF_FLAGS.
5129 (assemble_constant_contents): New function, split from...
5130 (output_constant_def_contents): ...here. Don't output any code
5131 for block symbols; just pass them to place_section_symbol.
5132 Use get_constant_section and get_constant_alignment.
5133 (force_const_mem): Create a block symbol if use_object_blocks_p and
5134 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5135 (output_constant_pool_1): Add an explicit alignment argument.
5136 Don't switch sections here.
5137 (output_constant_pool): Adjust call to output_constant_pool_1.
5138 Switch sections here instead. Don't output anything for block symbols;
5139 just pass them to place_block_symbol.
5140 (init_varasm_once): Initialize object_block_htab.
5141 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5142 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5143 (place_block_symbol, get_section_anchor, output_object_block)
5144 (output_object_block_htab, output_object_blocks): New functions.
5145 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5146 (TARGET_ASM_OUT): Include it.
5147 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5148 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5149 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5150 (TARGET_INITIALIZER): Include them.
5151 * rtl.c (rtl_check_failed_block_symbol): New function.
5152 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5153 (block_symbol, object_block): New structures.
5154 (rtx_def): Add a block_symbol field to the union.
5155 (BLOCK_SYMBOL_CHECK): New macro.
5156 (rtl_check_failed_block_symbol): Declare.
5157 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5158 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5159 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5160 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5161 * output.h (output_section_symbols): Declare.
5162 (object_block): Name structure.
5163 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5164 (default_use_anchors_for_symbol_p): Declare.
5165 * Makefile.in (RTL_BASE_H): Add vec.h.
5166 (explow.o): Depend on output.h.
5167 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5168 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5169 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5170 (rs6000_use_blocks_for_constant_p): New function.
5172 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5174 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5176 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5179 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5182 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5184 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5188 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5191 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5192 instead of DECL_REGISTER.
5194 2006-02-18 Olivier Hainque <hainque@adacore.com>
5197 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5199 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5202 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5203 * opth-gen.awk: Handle Var and InverseMask together.
5204 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5205 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5206 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5207 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5209 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5210 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5211 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5212 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5213 LINUX_DYNAMIC_LINKER): Define.
5214 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5215 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5217 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5218 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5219 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5220 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5221 (TARGET_C99_FUNCTIONS): Don't define.
5222 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5223 GLIBC_DYNAMIC_LINKER.
5224 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5225 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5226 GLIBC_DYNAMIC_LINKER64): Define.
5227 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5228 LINUX_DYNAMIC_LINKER64.
5229 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5230 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5231 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5232 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5233 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5234 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5235 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5236 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5237 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5238 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5239 and LINUX_DYNAMIC_LINKER32.
5240 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5241 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5242 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5243 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5244 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5246 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5247 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5248 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5249 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5250 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5251 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5252 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5253 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5254 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5255 LINUX_DYNAMIC_LINKER): Define.
5256 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5257 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5258 GLIBC_DYNAMIC_LINKER64): Define.
5259 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5260 LINUX_DYNAMIC_LINKER64.
5261 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5262 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5263 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5264 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5265 LINUX_DYNAMIC_LINKER): Define.
5266 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5267 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5268 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5269 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5270 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5271 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5272 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5273 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5274 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5275 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5276 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5277 * doc/invoke.texi (-muclibc): Remove caveat about supported
5280 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5282 * doc/cpp.texi (__TIMESTAMP__): Document.
5284 2006-02-17 Roger Sayle <roger@eyesopen.com>
5287 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5288 C is one less than the width of X (and related transformations).
5289 * simplify-rtx.c (simplify_unary_operation_1): Transform
5290 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5291 depending on STORE_FLAG_VALUE, were C is one less then the
5294 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5296 Fix PR tree-optimization/26341
5297 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5298 about NAME_MEMORY_TAG's.
5300 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5303 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5304 with hardware float support, and software float support. Add fcpy
5305 alternative to hardware patterns. Add alternatives to copy between
5306 general and floating-point registers to the 32-bit pattern.
5307 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5308 secondary reload to load a QI or HI mode constant into a floating
5310 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5311 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5313 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5316 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5318 (load_macho_picbase_di): Likewise.
5320 2006-02-16 Jeff Law <law@redhat.com>
5322 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5323 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5324 (ssa_name_nonzero_p): Likewise.
5325 (get_value_range): Return NULL if VRP is not running.
5326 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5327 VRP routines do not discover a range.
5328 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5329 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5330 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5331 (tree_expr_nonnegative_p): Similarly.
5332 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5333 (restore_nonzero_vars_to_original_value): Remove.
5334 (unsafe_associative_fp_binop): Remove.
5335 (tree_ssa_dominator_optimize): Remove initialization and
5336 finalization of nonzero_vars and nonzero_vars_stack.
5337 (dom_opt_initialize_block): No longer push marker on
5339 (dom_opt_finalize_block): No longer call
5340 restore_nonzero_vars_to_original_value.
5341 (record_equivalences_from_phis): No longer look for
5342 nonzero PHI arguments.
5343 (cprop_into_successor_phis): No longer propagate nonzero
5344 property into PHI arguments. Lose unused argument. Caller
5346 (record_equivalences_from_stmt): No longer record nonzero
5347 values for SSA_NAMEs.
5348 (lookup_avail_expr): No longer use nonzero_vars.
5350 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5351 for sizetype when sizetype is unsigned.
5353 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5355 PR rtl-optimization/25603
5356 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5357 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5358 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5359 with new meaning of SETS.
5361 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5366 * config/linux.opt: New file.
5367 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5368 LINUX_DYNAMIC_LINKER): Define.
5369 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5370 * config.gcc (*-*-linux*): Define extra_options.
5371 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5372 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5373 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5374 GLIBC_DYNAMIC_LINKER.
5375 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5376 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5377 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5379 * doc/invoke.texi (GNU/Linux Options): New section.
5381 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5383 * config/sparc/sparc.md (setjmp): Rewrite.
5384 (setjmp_32): Delete.
5385 (setjmp_64): Likewise.
5387 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5389 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5392 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5394 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5397 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5399 PR rtl-optimization/26296
5400 * Makefile.in (loop-invariant.c): Add except.h dependency.
5401 * loop-invariant.c: Include except.h.
5402 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5404 2005-02-16 Paul Brook <paul@codesourcery.com>
5406 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5409 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5411 PR rtl-optimization/25636
5412 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5413 when deciding whether an insn is an initializing insn.
5415 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5417 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5418 (tree_code_size): Ditto.
5419 * tree.h (struct tree_memory_tag): Remove parent_var.
5420 (struct tree_struct_field_tag): New.
5423 (union tree_node): Add sft member.
5424 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5426 (create_sft): Add size and offset argument, set SFT_OFFSET and
5428 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5429 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5430 * tree-flow-inline.h (get_subvar_at): Update for
5431 SFT_OFFSET/SFT_SIZE.
5432 (var_can_have_subvars): Ditto.
5433 (overlap_subvar): Ditto.
5434 * print-tree.c (print_node): Print out interesting things for
5436 * tree-flow.h (struct subvar): Remove offset and size members.
5437 * tree-ssa-operands.c (get_expr_operands): Update for
5438 get_indirect_ref_operands changes.
5439 (get_indirect_ref_operands): Call add_virtual_operand instead of
5440 add_stmt_operand. Only recurse on base var if requested.
5441 (access_can_touch_variable): New function.
5442 (add_stmt_operand): Split virtual operand handling into ...
5443 (add_virtual_operand): Here. Add offset, size, and for_clobber
5444 arguments. Prune alias sets.
5445 (add_call_clobber_ops): Call add_virtual_operand.
5447 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5450 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5452 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5453 than TREE_CODE as index into omp_clause_num_ops array.
5455 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5457 PR rtl-optimization/26184
5458 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5460 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5461 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5462 must_precede, must_follow and tobe_scheduled.
5465 * opts.c (common_handle_option): Free new_option pointer.
5466 * df-core.c (df_analyze): Free postorder pointer.
5468 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5470 * Makefile.in: Fix the examples about the use of stamps
5472 2006-02-15 Michael Matz <matz@suse.de>
5476 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5477 influenced by maximum_field_alignment or DECL_PACKED.
5478 (update_alignment_for_field): Ditto.
5479 (place_field): Ditto.
5480 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5483 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5485 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5486 (debug_flow_info): Pass it.
5487 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5488 * bb-reorder.c (reorder_basic_blocks): Likewise.
5489 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5490 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5491 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5492 * gcse.c (gcse_main, bypass_jumps): Likewise.
5493 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5494 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5495 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5496 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5497 * rtl.h (dump_flow_info): Adjust prototype.
5498 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5499 * var-tracking.c (variable_tracking_main): Likewise.
5500 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5501 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5504 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5506 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5509 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5511 PR tree-optimization/26209
5512 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5513 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5515 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5517 2006-02-14 Roger Sayle <roger@eyesopen.com>
5520 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5521 (X,Y) and the corresponding symmetry related transformations.
5522 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5523 (X,Y) and its symmetry related transformations.
5525 2006-02-14 Roger Sayle <roger@eyesopen.com>
5527 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5530 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5532 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5534 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5537 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5538 support COMDAT group.
5539 * configure: Regenerate.
5541 2006-02-14 Roger Sayle <roger@eyesopen.com>
5546 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5548 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5550 Fix PR tree-optimization/26260
5552 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5554 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5555 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5556 * tree-ssa-structalias.c (create_variable_info_for): Use
5557 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5559 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5561 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5563 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5564 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5565 of the ending condition.
5566 * tree-ssa-loop-manip.c: Include params.h.
5567 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5568 tree_unroll_loop): New functions.
5569 * tree-pass.h (pass_loop_prefetch): Declare.
5570 * loop.c (rest_of_handle_loop_optimize): Test for
5571 -fprefetch-loop-arrays-rtl.
5572 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5573 * timevar.def (TV_TREE_PREFETCH): New timevar.
5574 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5575 pass_loop_prefetch): New.
5576 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5577 (cleanup_tree_cfg_loop): Call scev_reset.
5578 * common.opt (fprefetch-loop-arrays-rtl): Add.
5579 * tree-ssa-loop-prefetch.c: New file.
5580 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5581 (new_temp_expr_table): Initialize expr_vars.
5582 (free_temp_expr_table): Cleanup expr_vars.
5583 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5584 expressions from being merged into one.
5585 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5586 (struct tree_niter_desc): Add control, bound and cmp fields.
5587 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5589 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5590 (tree-cfgcleanup.o): Add SCEV_H dependency.
5591 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5592 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5594 2006-02-14 Richard Guenther <rguenther@suse.de>
5596 PR tree-optimization/26258
5597 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5598 in PHI argument processing.
5600 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5602 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5603 new expression in the requested machine mode.
5605 2006-02-13 Roger Sayle <roger@eyesopen.com>
5607 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5608 directly, instead let do_compare_rtx_and_jump handle this for us.
5609 * expr.c (expand_expr_real_1): Likewise.
5610 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5611 before do_jump_by_parts_greater.
5612 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5613 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5615 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5617 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5619 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5621 PR rtl-optimization/26235
5622 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5623 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5626 2006-02-13 Jeff Law <law@redhat.com>
5628 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5631 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5634 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5635 twice if decl is a builtin. When trying again, call get_callee_fndecl
5636 first to verify it is still a builtin.
5638 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5640 * dwarf2out.c (base_type_die): Don't add AT_name here.
5641 (subrange_type_die): Don't add AT_name here.
5642 (modified_type_die): Rearrange code flow. Do add AT_name here.
5644 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5646 PR rtl-optimization/26247
5647 PR rtl-optimization/26248
5648 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5650 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5652 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5653 * config/fixtfdi.c: Likewise.
5654 * config/fixunstfdi.c: Likewise.
5655 * config/floatditf.c: Likewise.
5657 2006-02-13 Roger Sayle <roger@eyesopen.com>
5660 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5661 into (X,C2) if C1 is a subset of the bits of C2. Transform
5662 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5664 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5666 2006-02-13 Josh Conner <jconner@apple.com>
5669 * varasm.c (function_section): Check for section name before
5670 calling select_section on targets that define
5671 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5672 unlikely_text_section instead of hot_function_section if
5673 first_function_block_is_cold.
5675 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5678 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5680 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5682 PR rtl-optimization/26222
5683 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5684 after tree->rtl expansion.
5685 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5686 before passing it to emit_move_insn.
5688 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5690 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5692 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5693 Clarify documentation.
5694 * c-common.h (warn_write_strings): Remove.
5695 * c-common.c (warn_write_strings): Likewise.
5696 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5699 2006-02-12 Roger Sayle <roger@eyesopen.com>
5702 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5703 (do_jump_parts_zero_rtx): New function renamed from
5704 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5705 (do_jump_parts_equality_rtx): New function split out from
5706 do_jump_parts_equality. Old implementation renamed as above.
5707 Call do_jump_parts_zero_rtx if either operand is zero.
5708 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5709 do all of the heavy lifting.
5710 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5711 calling either do_jump_by_parts_greater_rtx or
5712 do_jump_by_parts_equality_rtx.
5713 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5714 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5715 moved to do_compare_rtx_and_jump, call it directly.
5716 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5717 mode argument. Call do_compare_rtx_and_jump.
5718 (emit_case_nodes): Update calls to do_jump_if_equal.
5720 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5722 PR rtl-optimization/26225
5723 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5725 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5727 PR rtl-optimization/26232
5728 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5730 2006-02-11 Jason Merrill <jason@redhat.com>
5733 * tree-inline.c (declare_return_variable): Just don't use the
5734 modify target if it's a gimple complex reg and the return slot
5737 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5739 * doc/contrib.texi: Update my entry.
5741 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5743 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5745 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5747 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5750 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5752 * doc/invoke.texi (-floop-optimize2): Removed.
5753 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5754 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5755 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5756 * common.opt (floop-optimize2): Removed.
5757 (fmove-loop-invariants): Enabled by default.
5759 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5761 * tree-if-conv.c (combine_blocks): Free the result of
5762 get_loop_exit_edges.
5764 2006-02-10 Jeff Law <law@redhat.com>
5766 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5768 PR tree-optimization/26213
5769 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5770 loop trying to follow SSA_NAME_VALUE chains.
5772 2006-02-10 Richard Guenther <rguenther@suse.de>
5774 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5775 deal with structures that end in implicitly variable sized arrays.
5777 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5779 PR rtl-optimization/24762
5780 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5783 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5785 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5786 (struct ivopts_data): Add regs_used field.
5787 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5788 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5789 instead of loop_data->regs_used;
5790 (free_loop_data): Do not free aux fields for loops.
5791 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5792 and tree_ssa_iv_optimize_finalize.
5794 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5796 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5798 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5801 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5802 computing the effective result type.
5804 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5807 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5808 (tree_overlaps_hard_reg_set): Declare.
5809 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5810 type and signature to match function type expected by walk_tree.
5811 (tree_overlaps_hard_reg_set): New function.
5812 (decl_conflicts_with_clobbers_p): Rename to:
5813 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5814 Use tree_overlaps_hard_reg_set. Changed caller.
5815 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5816 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5817 * cris.c (cris_md_asm_clobbers): Likewise.
5819 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5821 * reload1.c (emit_input_reload_insns): Delete code that tries to
5822 inherit using find_equiv_reg.
5824 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5826 * c-common.h (flag_const_strings): Don't declare.
5827 * c-common.c (flag_const_strings): Remove.
5828 * c.opt (fconst_strings): Remove.
5829 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5830 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5831 (c_common_init_options): Don't set flag_const_strings.
5832 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5834 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5836 * arm.md (tlobits_cbranch): New pattern.
5837 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5838 testing a single bit.
5840 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5843 * tree-ssa-pre.c (create_component_ref_by_pieces):
5844 Handle RETURN_DECL like VAR_DECL.
5846 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5849 * fold-const.c (fold_indirect_ref_1): Fold
5850 "*(foo *)&complexfoo" to "__real__ complexfoo"
5851 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5853 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5855 * tree-flow-inline.h (var_can_have_subvars):
5856 Volatile variables should not have subvariables.
5858 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5861 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5862 multiplying unsigned values.
5865 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5867 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5869 2006-02-08 Jason Merrill <jason@redhat.com>
5872 * tree.def: Elaborate on difference from MODIFY_EXPR.
5873 * doc/c-tree.texi (INIT_EXPR): Likewise.
5874 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5875 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5876 (gimplify_target_expr): Likewise.
5877 (gimplify_cond_expr): Remove target handling.
5878 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5879 (gimplify_expr): Clobber it here.
5880 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5881 Do return slot optimization if we have an INIT_EXPR.
5884 * tree-inline.c (declare_return_variable): Also clear
5885 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5888 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5891 * gimplify.c (gimplify_one_sizepos): Fix typo.
5893 2006-02-08 Jeff Law <law@redhat.com>
5895 PR tree-optimization/21417
5896 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5897 across a backedge if the control statement at the end of the
5898 block is data dependent on other statements in the same block.
5899 (record_temporary_equivalences_from_stmts): Remove over-conservative
5900 test for threading across backedges.
5902 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5903 control statement, handle all three special cases in the same
5904 manner as they all have the same desired solution. No longer
5905 special case edge flag updating when the post dominator is
5908 2006-02-08 Roger Sayle <roger@eyesopen.com>
5910 * tree.def (CHAR_TYPE): Remove.
5911 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5912 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5913 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5914 (gen_string_type_die): Delete unreachable function.
5916 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5917 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5918 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5919 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5920 * builtins.c (type_to_class): Likewise.
5921 * fold-const.c (fold_convert, build_range_check,
5922 merge_ranges): Likewise.
5923 * expr.c (count_type_elements): Likewise.
5924 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5925 * stor-layout.c (layout_type): Likewise.
5926 * ipa-type-escape.c (type_to_consider): Likewise.
5927 * gimplify.c (omp_firstprivatize_type_sizes,
5928 gimplify_type_sizes): Likewise.
5929 * explow.c (promote_mode): Likewise.
5930 * tree-sra.c (is_sra_scalar_type): Likewise.
5931 * varasm.c (output_constant): Likewise.
5932 * tree-inline.c (remap_type_1): Likewise.
5933 * convert.c (convert_to_pointer, convert_to_real,
5934 convert_to_integer, convert_to_complex): Likewise.
5936 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5938 * df-scan.c (df_def_record_1): A set destination may
5939 be a parallel regardless of mode.
5941 2006-02-08 Roger Sayle <roger@eyesopen.com>
5944 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5945 * config/mips/_tilib.c: Remove.
5946 * config/fixtfdi.c: New libgcc source file.
5947 * config/fixunstfdi.c: New source file.
5948 * config/floatditf.c: New source file.
5949 * config/floatunditf.c: New souce file.
5950 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5951 files above instead of config/mips/_tilib.c.
5952 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5954 2006-02-08 Jeff Law <law@redhat.com>
5956 PR tree-optimization/26169
5957 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5960 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5962 * df.h (DF_REG_SIZE): Return the length of the initialized
5965 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5967 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5968 __muldf3): Return a correctly signed zero.
5970 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5972 * passes.c (register_one_dump_file): Accept the current properties
5973 instead of pass number. Adjust call to dump_register. Remove
5975 (register_dump_files): Now a wrapper around...
5976 (register_dump_files_1): ... this one. Do not modify the pass
5978 (next_pass_1): Cosmetic fix.
5979 (execute_todo): Keep second parameter only. Use curr_properties
5980 instead of fetching it from the pass structure. Check and set
5982 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5983 instead of fetching it from the pass structure. Fix calls to
5984 execute_todo. Update curr_properties and initialize .vcg RTL dump
5985 after running the pass. Reset last_verified.
5986 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5988 (FIRST_AUTO_NUMBERED_DUMP): New.
5989 (dump_register): Remove "num" parameter, assign it within the
5991 (get_dump_file_name): Modify template for dumps.
5992 * tree-dump.h (dump_register): Adjust prototype.
5993 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5994 (PROP_trees): Add PROP_gimple_lomp.
5995 (TODO_set_props): New.
5996 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5997 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5998 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6000 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6002 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6003 (sparc64-*-linux*): Likewise.
6004 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6005 * config/sparc/t-linux: New file.
6006 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6007 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6008 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6009 -m32 -mlong-double-128.
6011 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6012 * config/alpha/t-linux: New file.
6013 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6015 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6016 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6017 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6018 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6019 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6020 (CPP_ARCH32_SPEC): Remove.
6022 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6024 PR tree-optimization/26145
6025 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6028 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6031 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6032 >= 240000 when generating code for SOM runtime.
6033 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6034 to $$dyncall when generating code for SOM runtime..
6036 2006-02-07 Dirk Mueller <dmueller@suse.com>
6039 * doc/invoke.texi (-Wsequence-point): Update documentation
6040 that -Wsequence-point is implemented for C++ as well.
6042 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6044 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6045 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6046 (LIB_SPEC): Likewise.
6047 * doc/invoke.texi (SPARC options): Document -pthread.
6049 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6051 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6054 2006-02-07 Roger Sayle <roger@eyesopen.com>
6056 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6057 Correct comment describing BOOLEAN_TYPE.
6059 2006-02-07 Dirk Mueller <dmueller@suse.com>
6061 * c.opt: C++ frontend supports -Wdiv-by-zero.
6062 * c-opts.c (c_common_handle_option): Remove dead case.
6064 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6066 * configure.ac (TLS assembler check): Do not enable TLS by
6067 default on SPARC/Solaris before version 10.
6068 * configure: Regenerate.
6070 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6072 * doc/invoke.texi (xl-compat): Document conversion and support
6075 2006-02-07 Jeff Law <law@redhat.com>
6077 * tree-vrp.c (find_conditional_asserts): Update comments.
6078 (simplify_stmt_for_jump_threading): New.
6079 (identify_jump_threads, finalize_jump_threads): New.
6080 (vrp_finalize): Call identify_jump_threads.
6081 (execute_vrp): Call finalize_jump_threads.
6082 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6083 (vrp_element, vrp_data, vrp_element_p): Remove.
6084 (vrp_hash_elt, vrp_variables_stack): Remove.
6085 (vrp_hash, vrp_eq, record_range): Remove.
6086 (simplify_cond_and_lookup_avail_expr): Remove.
6087 (extract_range_from_cond): Remove.
6088 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6089 (simplify_stmt_for_jump_threading): New.
6090 (dom_thread_across_edge): New wrapper.
6091 (tree_ssa_dominator_optimize): No longer initialize or
6092 finalize any of the VRP datastructures. Remove iteration
6093 step and simplify as a result of removal of iteration step.
6094 (pass_dominator): Perform a cfg cleanup after DOM.
6095 (dom_opt_finalize_block): Use the new common routines
6096 for threading jumps. Simplify stack management slightly.
6097 No longer need to unwind VRP state.
6098 (record_equivalences_from_incoming_edge): No longer record
6100 (eliminate_redundant_computations): No longer call
6101 simplify_cond_and_lookup_avail_expr.
6102 * tree-flow.h (potentially_threadable_block): Prototype.
6103 (thread_across_edge): Likewise.
6104 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6105 (tree-ssa-threadedge.o): Add dependencies.
6106 * tree-ssa-threadedge.c: New file.
6107 * passes.c (init_optimization_passes): Merge PHIs before
6108 calling VRP. Run VRP again late in the SSA optimization pipeline.
6110 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6112 * df-core.c (df_set_blocks): Do not dereference function pointers.
6113 (df_finish1): Likewise.
6114 (df_hybrid_search_forward): Likewise.
6115 (df_hybrid_search_backward): Likewise.
6116 (df_iterative_dataflow): Likewise.
6117 (df_analyze_problem): Likewise.
6118 (df_compact_blocks): Likewise.
6119 (df_dump): Likewise.
6120 * df-scan.c (df_rescan_blocks): Likewise.
6121 (df_record_entry_block_defs): Likewise.
6123 * genconditions.c (write_conditions): Guard the definition of
6124 'insn_conditions' with the check on GCC version.
6125 (write_writer): Guard the traversal 'insn_conditions' with
6126 the check on GCC version.
6128 2006-02-07 Richard Guenther <rguenther@suse.de>
6132 2006-01-30 Richard Guenther <rguenther@suse.de>
6134 * gimplify.c (gimplify_target_expr): Handle easy cases
6135 without creating a temporary.
6137 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6139 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6140 use of float in probability computations. Use edge probabilities
6141 in place of statically computed probabilities.
6142 (min_spec_prob): New static variable.
6143 (schedule_insns): Initialize it.
6144 (GET_SRC_PROB): Removed.
6145 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6147 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6150 * config/ia64/unwind-ia64.c: Revert last change.
6151 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6152 (INCOMING_FRAME_SP_OFFSET): Define.
6154 2006-02-06 Roger Sayle <roger@eyesopen.com>
6156 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6158 2006-02-07 Ben Elliston <bje@au.ibm.com>
6160 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6161 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6162 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6163 (ix86_return_in_memory): Handle TDmode.
6164 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6165 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6167 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6169 * reorg.c (dbr_schedule): Use dump_file instead of file.
6171 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6174 * config/ia64/predicates.md (extr_len_operand): New predicate.
6175 * config/ia64/ia64.md (extv): Tighten constraints.
6177 (*tbit_and_2): Ditto.
6178 (*tbit_and_3): Ditto.
6179 (*tbit_or_2): Ditto.
6180 (*tbit_or_3): Ditto.
6184 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6187 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6189 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6191 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6192 loop_optimizer_init and loop_optimizer_finalize
6193 * tree-ssa-sink.c (execute_sink_code): Ditto.
6194 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6195 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6196 tree_ssa_loop_done): Ditto.
6197 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6198 * sched-ebb.c: Include output.h.
6199 (schedule_ebbs): Do not use dump argument.
6200 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6201 * loop.c (loop_dump_stream): Removed.
6202 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6204 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6205 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6206 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6207 loop_iterations, strength_reduce, record_biv, record_giv,
6208 final_giv_value, check_final_value, check_ext_dependent_givs,
6209 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6210 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6211 dump_file instead of loop_dump_stream.
6212 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6214 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6216 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6217 * haifa-sched.c: Include output.h
6218 (schedule_insns, sched_init): Do not use dump argument.
6219 * mode-switching.c (optimize_mode_switching): Ditto.
6220 * modulo-sched.c (stats_file): Removed.
6221 (print_node_sched_params): Do not call argument dump_file.
6222 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6223 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6225 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6227 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6228 rtl_loop_init, rtl_loop_done): Ditto.
6229 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6230 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6232 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6233 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6234 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6235 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6236 * emit-rtl.c (renumber_insns): Ditto.
6237 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6238 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6239 * regclass.c (regclass): Ditto.
6240 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6241 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6242 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6243 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6245 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6246 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6248 * gcse.c (gcse_file, debug_stderr): Removed.
6249 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6250 rest_of_handle_gcse): Do not use dump argument.
6251 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6252 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6253 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6254 compute_code_hoist_vbeinout, compute_code_hoist_data,
6255 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6256 compute_store_table, build_store_vectors, insert_insn_start_bb,
6257 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6258 store_motion): Use dump_file instead of gcse_file.
6259 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6260 * profile.c (profile_dump_file): Removed.
6261 (branch_prob): Use dump_file instead of profile_dump_file.
6262 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6264 * tree-ssa-copy.c (dump_copy_of): Ditto.
6265 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6266 dump file to life_analysis.
6267 * bt-load.c (branch_target_load_optimize): Ditto.
6268 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6270 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6271 regclass, dbr_schedule): Declaration changed.
6272 * sched-int.h (sched_init): Declaration changed.
6273 * tree-profile.c (tree_profile_dump_file): Removed.
6274 (tree_profile_hooks): Removed profile_dump_file hook.
6275 * rtl-profile (rtl_profile_dump_file): Removed.
6276 (rtl_profile_hooks): emoved profile_dump_file hook.
6277 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6279 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6280 * tree-cfg.c (build_tree_cfg): Ditto.
6281 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6282 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6283 Declaration changed.
6284 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6285 life_analysis and schedule_insns.
6286 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6288 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6290 * config/mips/mips.c (mips_reorg): Ditto.
6291 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6294 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6296 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6297 (s390_mangle_fundamental_type): New.
6298 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6301 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6302 (alpha_mangle_fundamental_type): New.
6303 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6306 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6308 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6310 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6311 (sparc_mangle_fundamental_type): New.
6313 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6315 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6316 (s390x-*-linux*): Likewise.
6317 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6318 * config/s390/t-linux: New file.
6320 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6322 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6323 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6325 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6327 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6328 (ANTIC_SAFE_LOADS): New macro.
6329 (find_or_generate_expression): Add prototype.
6330 (set_contains_value): Allow null set for sake of not always having
6331 to allocate ANTIC_SAFE_LOADS.
6332 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6333 Allow COMPONENT_REF too.
6334 (valid_in_set): Allow COMPONENT_REF.
6335 Check ANTIC_SAFE_LOADS too.
6336 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6337 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6339 (can_PRE_operation): Add COMPONENT_REF.
6340 (create_component_ref_by_pieces): New function.
6341 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6342 (insert_aux): Move AGGREGATE_TYPE_P check here.
6343 (compute_avail): Set bb local stmt uids.
6344 (pass_pre): Use TODO_update_ssa_only_virtuals.
6346 2006-02-06 Ben Elliston <bje@au.ibm.com>
6348 * configure.ac: Unconditionally disable decimal float by default.
6349 * configure: Regenerate.
6351 2006-02-06 Ben Elliston <bje@au.ibm.com>
6353 * read-rtl.c (read_name): Terminate reading on EOF.
6355 2006-02-06 Ben Elliston <bje@au.ibm.com>
6357 * dfp.c (decimal_real_arithmetic): Change second argument type
6358 from int to enum tree_code. Do not always return true, but now
6359 return result of any call to decimal_do helper functions.
6360 * dfp.h (decimal_real_arithmetic): Update prototype.
6362 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6364 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6366 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6369 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6372 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6374 * tree-vrp.c (cfg_loops): Removed.
6375 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6376 Use current_loops instead of cfg_loops. Pass flags to
6377 loop_optimizer_init.
6378 * cfgloopmanip.c (fix_loop_structure): Update only available
6380 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6381 loop_optimizer_init.
6382 * modulo-sched.c (build_loops_structure): Removed.
6383 (sms_schedule): Use loop_optimizer_init.
6384 * loop-init.c (loop_optimizer_init): Use flags to determine
6385 which properties of loops to prepare.
6386 (rtl_loop_init): Pass flags to loop_optimizer_init.
6387 * tree-ssa-sink.c (execute_sink_code): Ditto.
6388 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6389 * tree-ssa-pre.c (init_pre): Ditto.
6390 * cfgloop.h (LOOPS_NORMAL): New.
6391 (loop_optimizer_init): Declaration changed.
6393 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6395 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6396 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6398 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6400 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6402 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6403 * pa/t-pa64: Delete quadlib.c rule.
6404 * pa/x-ada: Revert last change.
6405 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6407 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6409 PR rtl-optimization/26087
6410 * rtlanal.c (canonicalize_condition): Do not cross basic block
6413 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6416 * config/ia64/ia64.c: Include debug.h.
6417 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6418 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6419 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6420 (process_epilogue, process_set, process_for_unwind_directive):
6421 Output unwind info only if requested. Add CFA info if requested.
6422 Add new arguments as needed. Adjust callers.
6423 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6425 (DWARF2_FRAME_INFO): Define to zero.
6426 * config/ia64/unwind-ia64.c: Remove code that compensated for
6427 the CFA offset error fixed above.
6428 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6429 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6430 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6431 -funwind-tables and -fexceptions to enable frame info.
6432 (dwarf2out_frame_init): Define initial CFA even if
6433 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6434 DWARF2_UNWIND_INFO is nonzero, not just defined.
6435 (dwarf2out_frame_finish): Output non-EH call frame info only
6436 if DWARF2_FRAME_INFO is nonzero.
6437 (convert_cfa_to_loc_list,
6438 compute_frame_pointer_to_cfa_displacement): Define even if
6439 unwind info is not supported.
6440 (gen_subprogram_die): Use the above unconditionally. Remove
6441 legacy alternate code.
6442 * toplev.c (compile_file): Compile in call to
6443 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6444 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6446 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6447 Jakub Jelinek <jakub@redhat.com>
6449 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6450 IBM extended float format long double as "g" on powerpc*-linux.
6452 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6455 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6456 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6458 2006-02-03 Jason Merrill <jason@redhat.com>
6461 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6464 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6465 on the return slot if it's an NRV.
6467 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6469 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6470 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6471 rewrite_use): Do not handle USE_OUTER.
6472 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6473 add_iv_outer_candidates, may_replace_final_value,
6474 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6475 (find_interesting_uses_op): Functionality of
6476 find_interesting_uses_outer_or_nonlin moved here.
6477 (find_interesting_uses_outside): Use find_interesting_uses_op.
6479 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6482 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6484 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6485 Ulrich Weigand <uweigand@de.ibm.com>
6488 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6489 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6490 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6491 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6493 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6494 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6495 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6496 Define secondary reloads for TFmode moves.
6497 (constant_modes): Add TFmode.
6498 (NR_C_MODES): Set to 8.
6499 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6501 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6502 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6503 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6504 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6505 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6506 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6507 (FPR mode macro): Add TFmode.
6508 (DSF mode macro): New.
6509 (<de>, <dee> mode attributes): Removed.
6510 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6511 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6512 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6513 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6514 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6515 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6516 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6517 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6518 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6519 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6520 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6521 "*negabs<mode>2", "sqrt<mode>2"):
6522 Changed <de> to <xde>. R constraint replaced by <Rf>.
6523 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6525 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6526 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6527 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6529 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6530 "extenddftf2", "extendsftf2"): New expanders.
6531 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6532 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6533 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6534 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6536 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6537 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6538 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6539 __floatditf): Add a GCC_4.1.0 symbol version tag.
6540 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6543 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6546 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6547 Use targetm.binds_local_p instead of TREE_PUBLIC.
6549 2006-02-02 Roger Sayle <roger@eyesopen.com>
6551 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6552 on INTEGER_TYPEs to indicate that it denotes a character type.
6553 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6554 signed_char_type_node, unsigned_char_type_node and char_type_node.
6555 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6556 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6557 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6559 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6560 Daniel Berlin <dberlin@dberlin.org>
6562 * tree-tailcall.c (arg_needs_copy_p): New function.
6563 (eliminate_tail_call): Use arg_needs_copy_p.
6564 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6565 (add_virtual_phis): New function.
6567 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6569 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6570 #ignore instead of #scratch for %g7 .register directive.
6572 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6574 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6577 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6579 * flow.c (calculate_global_regs_live): Assert that there aren't any
6582 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6584 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6586 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6587 bsi_after_labels iterator.
6588 * tree-if-conv.c (find_phi_replacement_condition,
6589 replace_phi_with_cond_modify_expr): Likewise.
6590 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6591 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6593 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6595 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6597 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6600 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6601 array after growing it.
6603 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6606 * fold-const.c (fold_checksum_tree): Change type of buf.
6608 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6610 * reload.c (push_secondary_reload): Initialize t_icode.
6612 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6614 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6615 -msoft-float -mlong-double-128 only issue a warning, but don't
6616 swich to DFmode long double.
6618 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6620 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6621 has a constant equivalent, iterate over equivalents for arg0,
6622 calling simplify_relational_operation and if there's a result
6623 cheaper than X, apply fold_rtx and return the result.
6625 2006-02-01 Jan Hubicka <jh@suse.cz>
6627 * opts.c (no_unit_at_a_time_default): New global variable.
6628 (decode_options): Use it.
6629 * opts.h (no_unit_at_a_time_default): Declare.
6631 2006-02-01 Paul Brook <paul@codesourcery.com>
6633 * function.c (assign_parm_setup_reg): Use function argument promotion
6635 * expr.c (expand_expr_real_1): Use function argument promotion rules
6638 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6640 * gcc.c (process_command): Change j to 'unsigned int'.
6642 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6645 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6646 Use the corrected index for the character
6647 out of the string constant.
6649 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6651 * mode-switching.c (optimize_mode_switching): Fix size
6652 allocated for bb_info[n_entities].
6654 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6656 * gcc.c (main): Correct type that is allocated for
6657 explicit_link_files.
6659 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6661 * config/s390/s390.c (init_alignment_context): Set
6662 ALIAS_SET_MEMORY_BARRIER on the MEM.
6663 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6665 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6668 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6670 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6673 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6675 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6676 * regrename.c: Ditto.
6677 * tree-ssa-loop-im.c: Ditto.
6678 * tree-dump.c: Ditto.
6679 * tree-complex.c: Ditto.
6680 * genrecog.c: Ditto.
6681 * tree-ssa-threadupdate.c: Ditto.
6683 * java/class.c: Ditto.
6684 * java/jcf-parse.c: Ditto.
6685 * java/resource.c: Ditto.
6686 * java/except.c: Ditto.
6687 * java/jvspec.c: Ditto.
6688 * java/jcf-write.c: Ditto.
6689 * java/jcf-path.c: Ditto.
6690 * java/gjavah.c: Ditto.
6691 * java/zextract.c: Ditto.
6692 * java/jcf-io.c: Ditto.
6693 * java/jcf.h: Ditto.
6694 * java/buffer.c: Ditto.
6695 * java/lang.c: Ditto.
6696 * java/parse-scan.y: Ditto.
6697 * java/lex.c: Ditto.
6698 * java/lex.h: Ditto.
6699 * cfgloopmanip.c: Ditto.
6700 * postreload-gcse.c: Ditto.
6701 * tree-ssa-loop-manip.c: Ditto.
6702 * postreload.c: Ditto.
6703 * tree-ssa-loop-ch.c: Ditto.
6707 * diagnostic.c: Ditto.
6709 * genoutput.c: Ditto.
6711 * cfghooks.c: Ditto.
6712 * cfgloopanal.c: Ditto.
6713 * objc/objc-act.c: Ditto.
6715 * genextract.c: Ditto.
6716 * genautomata.c: Ditto.
6717 * pretty-print.c: Ditto.
6719 * cgraphunit.c: Ditto.
6722 * haifa-sched.c: Ditto.
6723 * dominance.c: Ditto.
6725 * tree-ssa-loop-ivopts.c: Ditto.
6727 * mode-switching.c: Ditto.
6728 * modulo-sched.c: Ditto.
6730 * ipa-pure-const.c: Ditto.
6732 * fix-header.c: Ditto.
6734 * tree-stdarg.c: Ditto.
6735 * ipa-utils.c: Ditto.
6736 * loop-init.c: Ditto.
6737 * ipa-inline.c: Ditto.
6740 * alloc-pool.c: Ditto.
6741 * dwarf2out.c: Ditto.
6743 * genattrtab.c: Ditto.
6744 * tree-ssa-loop-ivcanon.c: Ditto.
6748 * fortran/gfortranspec.c: Ditto.
6750 * local-alloc.c: Ditto.
6751 * langhooks.c: Ditto.
6752 * function.c: Ditto.
6753 * tree-vectorizer.c: Ditto.
6755 * ipa-type-escape.c: Ditto.
6757 * tree-if-conv.c: Ditto.
6760 * tree-data-ref.c: Ditto.
6761 * loop-unroll.c: Ditto.
6762 * treelang/treetree.c: Ditto.
6765 * ggc-common.c: Ditto.
6767 * coverage.c: Ditto.
6769 * tree-cfgcleanup.c: Ditto.
6770 * tree-ssa-pre.c: Ditto.
6771 * cfgcleanup.c: Ditto.
6772 * loop-invariant.c: Ditto.
6774 * ipa-prop.c: Ditto.
6775 * print-tree.c: Ditto.
6776 * conflict.c: Ditto.
6777 * ggc-page.c: Ditto.
6778 * sched-deps.c: Ditto.
6779 * regclass.c: Ditto.
6780 * tree-object-size.c: Ditto.
6782 * bb-reorder.c: Ditto.
6783 * resource.c: Ditto.
6784 * var-tracking.c: Ditto.
6786 * df-problems.c: Ditto.
6787 * reg-stack.c: Ditto.
6790 * sched-rgn.c: Ditto.
6791 * tree-ssa-structalias.c: Ditto.
6792 * tree-ssa-reassoc.c: Ditto.
6793 * config/darwin-c.c: Ditto.
6794 * config/darwin.c: Ditto.
6795 * config/arm/arm.c: Ditto.
6797 * collect2.c: Ditto.
6800 2006-01-31 Nicolas Pitre <nico@cam.org>
6802 * arm.md (smaxsi3): Make aware of smax_m1.
6805 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6807 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6809 2006-01-31 Richard Guenther <rguenther@suse.de>
6811 * doc/invoke.texi (-msselibm): Document.
6812 * target.h (expand_library_builtin): New target hook.
6813 * builtins.c (expand_builtin): Use expand_library_builtin.
6814 (default_expand_library_builtin): New function.
6815 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6816 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6817 (link_gcc_math_spec): Declare.
6818 (static_specs): Add link_gcc_math_spec.
6819 * expr.h (default_expand_library_builtin): Declare.
6820 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6821 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6822 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6823 * config/i386/i386.opt (msselibm): New target option.
6824 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6825 (ix86_init_sse_abi_builtins): New function.
6826 (ix86_expand_library_builtin): Likewise.
6827 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6828 (override_options): Handle error conditions wrt -msselibm.
6829 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6830 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6831 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6834 2006-01-31 Richard Guenther <rguenther@suse.de>
6835 Paolo Bonzini <bonzini@gnu.org>
6837 * doc/install.texi (--disable-libgcc-math): Document.
6839 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6841 * expr.h (expand_normal): new inline function.
6842 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6844 * dwarf2out.c: use it.
6849 * config/sparc/sparc.c: use it.
6850 * config/i386/i386.c: use it.
6851 * config/rs6000/rs6000.c: use it.
6852 * config/arm/arm.c: use it.
6853 * config/mips/mips.c: use it.
6854 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6856 2006-01-30 Roger Sayle <roger@eyesopen.com>
6858 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6859 argv to the appropriate type.
6861 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6863 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6866 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6869 * config/s390/s390.c (struct machine_function): New flag
6870 decomposed_literal_pool_addresses_ok_p.
6871 (s390_reorg): Set it before final stage of literal pool transforms.
6872 (s390_decompose_address): Only accept displacements of the form
6873 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6875 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6877 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6878 the comparison routine return.
6880 2006-01-30 Michael Matz <matz@suse.de>
6882 * global.c (find_reg): Only evict for global regs.
6883 Take n_refs into account and dump more info.
6885 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6888 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6889 (pragma_trap, pragma_nosave_low_regs): Likewise.
6890 (current_function_anonymous_args): Likewise.
6891 (sh_deferred_function_attributes): New variable.
6892 (sh_deferred_function_attributes_tail): Likewise.
6893 (print_operand): For '@', look up trap_exit attribute.
6894 (calc_live_regs): Look up trapa_handler attribute. For trapa
6895 handlers, save/restore fpscr, but don't do any other
6896 interrupt-specific saves.
6897 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6898 Fix check for partially saved registers to check for SHmedia.
6899 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6900 (sh_output_function_epilogue): Don't clear any of the removed
6902 (sh_insert_attributes): Don't check pragma_interrupt.
6903 Insert deferred attributes. Check that interrupt attribute is
6904 present for other attributes that require its presence.
6905 (sh_attribute_table): Add new attributes trapa_handler and
6907 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6908 Don't check for pragma_interrupt. Don't store argument.
6909 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6910 (sh_deferred_function_attributes): Declare.
6911 (sh_deferred_function_attributes_tail): Likewise.
6912 * sh.md (sp_switch_1): Add operand. Change generator caller.
6913 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6914 (*return_i): Don't use when trap_exit attribute is in effect.
6915 (*return_trapa): New insn pattern.
6917 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6918 setting c_target_objs and cxx_target_objs.
6919 * t-sh: Add rule for sh-c.o.
6921 2006-01-30 Richard Guenther <rguenther@suse.de>
6924 * gimplify.c (gimplify_target_expr): Handle easy cases
6925 without creating a temporary.
6927 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6929 * vec.h (safe_grow): Remove duplicated line.
6931 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6934 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6935 (expand_omp): ... here.
6936 (expand_omp_parallel): Only remove barriers for combined
6937 parallel+workshare constructs.
6939 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6943 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6944 * tree.c (build_qualified_type): Chain the new type to the original
6945 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6946 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6947 (build_pointer_type_for_mode): Only return unqualified types.
6948 (build_reference_type_for_mode): Likewise.
6950 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6952 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6953 * Makefile.in (CXX_COMPAT_WARN): Define.
6954 * configure: Regenerate.
6956 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6959 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6962 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6964 * toplev.c: Fix thinko.
6966 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6967 Marcin Dalecki <martin@dalecki.de>
6969 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6970 (push_srcloc): Use XNEW.
6971 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6973 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6975 * df-core.c (df_set_blocks): Deleted all variable.
6977 2006-01-28 Ian Lance Taylor <ian@airs.com>
6979 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6980 cgraph_output_pending_asms.
6982 2006-01-28 Zack Weinberg <zackw@panix.com>
6984 * c.opt: Add -W(no-)overlength-strings.
6985 * doc/invoke.texi: Document it.
6986 * c-opts.c (c_common_handle_option): -pedantic implies
6987 -Woverlength-strings, if not explicitly disabled already.
6988 (c_common_post_options): -Woverlength-strings defaults to off, and
6989 is always off for C++.
6990 * c-common.c (fix_string_type): Issue warning about strings longer
6991 than is portable only if warn_overlength_strings. Rearrange code
6992 a little for clarity.
6993 * configure.in: Check for -Wno-overlength-strings as well before
6994 enabling -pedantic in stage 1.
6995 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6996 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6998 * genconditions.c (write_header, write_one_condition)
6999 (write_conditions, write_writer): Consolidate very long strings
7000 that were broken up to fit in C89 portable limit. Don't use
7001 printf when fputs will do.
7003 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7005 * combine.c (simplify_comparison <AND>): Check
7006 TRULY_NOOP_TRUNCATION before start using a subreg.
7008 * config/mips/mips.md (*branch_zero<mode>,
7009 *branch_zero<mode>_inverted, *branch_equality<mode>,
7010 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7011 Remove mode check from comparisons.
7013 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7015 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7017 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7019 * expmed.c (const_mult_add_overflow_p): Remove.
7020 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7022 * recog.c (validate_replace_rtx_subexp): Remove.
7023 * recog.h: Remove the prototype for
7024 validate_replace_rtx_subexp.
7026 * integrate.h: Remove the prototype for
7027 copy_decl_for_inlining.
7028 * rtl.h: Remove the prototype for mark_constant_function.
7029 * tree-vectorizer.h: Remove the prototype for
7030 vect_strip_conversion.
7032 * modulo-sched.c (create_partial_schedule,
7033 free_partial_schedule, reset_partial_schedule): Make them
7036 * hooks.c (hook_bool_rtx_int_false): Remove.
7037 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7039 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7041 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7042 and -mlong-double-128 are incompatible.
7043 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7044 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7045 (TARGET_LIBGCC2_CFLAGS): Define.
7046 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7047 (TARGET_LIBGCC2_CFLAGS): Same.
7048 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7050 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7053 * c-typeck.c (build_binary_op): Perform implicit casts of
7054 operands before shortening them.
7056 * cfgloopmanip.c (split_loop_bb): Remove.
7057 * cfgloop.h: Remove the prototype for split_loop_bb.
7059 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7060 * cfgloop.h: Remove the prototype for
7061 flow_loop_outside_edge_p.
7063 * emit-rtl.c (init_virtual_regs): Make it static.
7064 * function.h: Remove the prototype for init_virtual_regs.
7066 * recog.c (peephole2_optimize): Make it static.
7067 * recog.h: Remove the prototype for peephole2_optimize.
7069 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7071 * df-scan.c (df_record_entry_block_defs): Check if
7072 INCOMING_RETURN_ADDR_RTX is defined.
7074 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7075 Kenneth Zadeck <zadeck@naturalbridge.com>
7077 PR rtl-optimization/24762
7078 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7079 * targhooks.c (hook_void_bitmap): New hook prototype.
7080 * targhoohs.h (hook_void_bitmap): Ditto.
7081 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7082 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7083 * target.h (live_on_entry): New function pointer.
7084 * df-scan.c (df_all_hard_regs): Removed.
7085 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7086 (df_scan_free_internal): Added df->entry_block_defs.
7087 (df_scan_alloc): Ditto.
7088 (df_scan_dump): Ditto.
7089 (df_uses_record): Plumbed flag field properly thru calls.
7090 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7091 This part fixes PR24762.
7092 (df_bb_refs_record): Added code to make the frame and arg
7093 pointers live in EH blocks.
7094 (df_refs_record): Added call to df_record_entry_block_defs.
7095 (df_record_entry_block_defs): New function.
7096 * df-core.c: Added comments to describe new artifical defs.
7097 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7098 (entry_block_defs): New field in struct df.
7099 (df_all_hard_regs): Deleted.
7100 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7101 * df-problems.c (df_ru_bb_local_compute_process_def):
7102 Added code to handle artifical defs in the entry to a function.
7103 (df_ru_bb_local_compute): Ditto.
7104 (df_rd_bb_local_compute_process_def): Ditto.
7105 (df_rd_bb_local_compute): Ditto.
7106 (df_lr_bb_local_compute): Ditto.
7107 (df_ur_bb_local_compute): Ditto.
7108 (df_urec_bb_local_compute): Ditto.
7109 (df_chain_create_bb): Ditto.
7110 (df_ur_local_finalize): Removed entry.
7111 (df_urec_init): Ditto.
7112 (df_urec_local_finalize): Ditto.
7113 (df_ri_bb_compute): Added detection of last use of pseudos.
7114 * Makefile.in (df-scan.o): Updated dependencies.
7115 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7116 * config/mips/mips.c (mips_set_live_on_entry): Added.
7117 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7119 * dce.c (marked_insn_p): Added code to handle artifical defs.
7121 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7123 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7125 (_mm_cvtsi128_si64): Likewise.
7126 (_mm_cvtsd_si64): Likewise.
7127 (_mm_cvttsd_si64): Likewise.
7128 (_mm_cvtsi64_sd): Likewise.
7129 (_mm_cvtsi64_si128): Likewise.
7130 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7131 (_mm_cvtsi64_m64): Likewise.
7132 (_m_to_int64): Likewise.
7133 (_mm_cvtm64_si64): Likewise.
7134 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7135 (_mm_cvttss_si64): Likewise.
7136 (_mm_cvtsi64_ss): Likewise.
7137 (_mm_cvtss_f32): Likewise.
7139 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7141 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7142 for pragma redefine_extname.
7144 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7147 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7148 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7149 -mno-minimal-toc to previous content.
7150 (bispecs): Remove goal.
7151 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7152 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7153 compatibility aliases on powerpc-*-*gnu*.
7154 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7155 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7156 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7157 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7158 (ldblspecs): New goal.
7159 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7160 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7162 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7163 L_sf_to_tf or L_df_to_tf is defined.
7165 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7166 Alan Modra <amodra@bigpond.net.au>
7169 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7170 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7171 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7172 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7173 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7174 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7175 (rs6000_override_options): Initialize rs6000_ieeequad.
7176 Initialize TFmode format to ibm_extended_format if not
7178 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7180 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7181 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7182 (function_arg_advance): IBM long double passed in two FPRs, not
7184 (function_arg): IBM long double passed in FPRs.
7185 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7186 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7187 Only multireg GPR aligned.
7188 (rs6000_init_libfuncs): Enable IBM long double functions if not
7190 (rs6000_generate_compare): Use IBM long double compare if not
7192 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7193 (TARGET_IEEEQUAD): Define.
7194 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7195 not TARGET_IEEEQUAD.
7196 * config/rs6000/rs6000.md: Enable TFmode patterns if
7198 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7199 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7200 and -mlong-double-128 are incompatible.
7201 * doc/invoke.texi (-mabi): Collect options together. Add
7202 ibmlongdouble and ieeelongdouble.
7204 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7206 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7208 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7209 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7210 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7211 * rtl.h (rtunion_def): Remove rt_ptr.
7213 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7214 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7215 * config/i386/winnt.c (i386_pe_mark_dllexport)
7216 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7218 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7220 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7222 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7226 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7227 pthread_key_delete. From John David Anglin. gthrw-ify
7228 pthread_getunique_np only if it it's not a macro. Delete
7230 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7231 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7232 __gthread_objc_condition_signal, __gthread_key_delete): Add
7233 "__attribute__ ((__unused__))" to unused arguments.
7234 (__gthread_recursive_mutex_init_function): Add missing return.
7235 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7236 gthr-posix95.h: Use macro-based approach for name redirection
7237 on targets missing weakref.
7239 2006-01-26 Zack Weinberg <zackw@panix.com>
7241 * genconditions.c (write_header): In generated code, #ifdef out
7242 all includes and fake declarations, except includes of bconfig.h
7243 and system.h, unless GCC_VERSION >= 3001. Do not include
7244 gensupport.h in any case.
7245 (write_conditions): Generate a definition of struct c_test. Add
7246 a comment to the generated #endif.
7247 (write_one_condition): Escape backslashes in string too.
7248 (write_writer): Generated code must escape backslashes and quote
7249 marks (but not newlines) in the strings it writes.
7250 * Makefile.in (build/gencondmd.o): Update dependencies.
7252 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7255 * Makefile.in (insn-automata.o): Add header file dependencies.
7256 * genautomata.c: Add includes.
7258 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7261 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7263 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7265 * configure.ac: Expect target tools paths to be passed from the toplevel
7266 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7268 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7270 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7273 * c.opt (Wpointer-sign): Init to -1.
7274 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7275 OPT_pedantic, to 0 otherwise.
7276 * doc/invoke.texi: Update.
7278 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7280 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7281 constants provided by 80387 instructions in the destination mode.
7283 2006-01-26 Richard Guenther <rguenther@suse.de>
7284 Andrew Pinski <pinskia@physics.uc.edu>
7287 partial PR tree-opt/17064
7288 * tree-ssa-structalias.c (intra_create_variable_infos):
7289 Create heap variables for incoming parameters if
7290 flag_argument_noalias > 1.
7291 (find_what_p_points_to): Look through default defs of
7294 2006-01-26 Jeff Law <law@redhat.com>
7297 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7298 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7299 within the VR_RANGE, use the VR_RANGE as the result, not the
7301 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7302 bounds for the type.
7304 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7306 * tree-ssa-alias.c (maybe_create_global_var): Change
7307 subvar walking to an assertion that we don't have subvar'd variables.
7309 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7312 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7313 Use a new variable, inner. PARM_DECLs are always non-weak.
7315 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7317 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7320 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7322 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7324 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7326 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7327 (smax_insn, smin_insn, smax_0, smin_0): New.
7329 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7332 * config/cris/cris.c (cris_order_for_addsi3): New function.
7333 * config/cris/cris-protos.h: Prototype it.
7334 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7335 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7336 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7337 (split for "op.S1 [rx=rx+i],ry (swapped)")
7338 (split for "op(s|u).S1 [rx=rx+i],ry")
7339 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7340 Apply cris_order_for_addsi3 when generating addsi3 insns.
7342 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7344 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7345 (TREE_BLOCK): Add call to EXPR_CHECK.
7347 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7350 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7351 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7352 (dump_omp_clauses): ... here.
7353 (dump_generic_node): Handle OMP_CLAUSE.
7354 * tree.c (omp_clause_num_ops): New.
7355 (omp_clause_code_name): New.
7356 (tree_code_size): Handle OMP_CLAUSE.
7357 (tree_size): Likewise.
7358 (make_node): Document handling of OMP_CLAUSE.
7359 (tree_node_structure): Handle OMP_CLAUSE.
7360 (omp_clause_check_failed): New.
7361 (omp_clause_range_check_failed): New.
7362 (omp_clause_operand_check_failed): New.
7363 (build_omp_clause): New.
7364 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7365 * tree.h (enum omp_clause_code): Declare.
7366 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7367 (OMP_CLAUSE_RANGE_CHECK): Define.
7368 (OMP_CLAUSE_ELT_CHECK): Define.
7369 (omp_clause_check_failed): Declare.
7370 (omp_clause_operand_check_failed): Declare.
7371 (omp_clause_range_check_failed): Declare.
7372 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7373 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7374 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7375 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7376 (OMP_CLAUSE_IF_EXPR): Likewise.
7377 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7378 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7379 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7380 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7381 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7382 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7383 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7384 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7385 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7386 (OMP_CLAUSE_CODE): Define.
7387 (OMP_CLAUSE_SET_CODE): Define.
7388 (OMP_CLAUSE_CODE): Define.
7389 (OMP_CLAUSE_OPERAND): Define.
7390 (struct tree_omp_clause): Declare.
7391 (union tree_node): Add field 'omp_clause'.
7392 * treestruct.def (TS_OMP_CLAUSE): Define.
7393 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7394 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7395 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7396 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7397 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7398 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7399 (OMP_CLAUSE): Define.
7400 * print-tree.c (print_node): Handle OMP_CLAUSE.
7401 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7402 * c-typeck.c: Likewise.
7403 * gimplify.c: Likewise.
7404 * c-omp.c: Likewise.
7405 * tree-nested.c: Likewise.
7406 * tree-inline.c: Likewise.
7407 * c-parser.c: Likewise.
7408 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7411 2006-01-25 Roger Sayle <roger@eyesopen.com>
7413 PR rtl-optimization/25703
7414 * combine.c (try_combine): Handle zero_extract and strict_low_part
7415 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7417 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7419 * global.c: Fix comment typos.
7421 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7424 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7425 Use output_addr_const instead of assemble_name.
7427 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7429 * Makefile.in (sched-vis.o): Update dependencies.
7430 * haifa-sched.c (sched_finish): Clear current_sched_info.
7431 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7432 (dump_flow_info): Call it.
7433 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7435 * basic-block.h (dump_bb_info): Declare.
7436 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7437 option, and apply options only for dump files whose TDF_RTL,
7438 TDF_TREE, or TDF_IPA bits match.
7439 * rtl.h: Declare new functions exported from sched-vis.c.
7440 * sched-vis.c: Enable also if scheduling is not used.
7441 (print_value): Print the mode of registers if not inside scheduling.
7442 (print_insn): Make it work outside the scheduler. Beautify the output
7444 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7446 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7448 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7449 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7450 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7451 depending on the value of CONSTANT_POOL_ADDRESS_P.
7452 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7454 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7455 rather than SYMBOL_REF_DECL.
7456 (rtx_constant_pool): Remove const_rtx_sym_htab.
7457 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7458 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7459 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7460 Remove handling of const_rtx_sym_htab.
7461 (find_pool_constant): Delete.
7462 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7463 rather than find_pool_constant.
7464 (get_pool_constant_for_function): Delete.
7465 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7467 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7468 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7469 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7470 (SYMBOL_REF_CONSTANT): New macro.
7471 (get_pool_constant_for_function): Delete.
7472 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7473 rather than SYMBOL_REF_DECL.
7474 (i386_pe_mark_dllimport): Likewise.
7475 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7476 rather than SYMBOL_REF_DECL.
7477 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7478 (machopic_indirect_call_target): Likewise.
7480 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7482 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7484 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7486 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7488 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7490 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7492 2006-01-24 David Daney <ddaney@avtrex.com>
7495 * configure.ac (enable_tls): New enable option.
7496 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7497 * configure: Regenerate.
7498 * doc/install.texi (--enable-tls): Document new option.
7499 (--disable-tls): Ditto.
7501 2006-01-24 Richard Henderson <rth@redehat.com>
7503 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7504 * alias.c (true_dependence): Respect it.
7505 (canon_true_dependence, write_dependence_p): Likewise.
7506 * builtins.c (get_builtin_sync_mem): Set it.
7508 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7510 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7513 2006-01-24 DJ Delorie <dj@redhat.com>
7515 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7516 for storing constants in single-bit bitfields.
7518 2006-01-25 Ben Elliston <bje@au.ibm.com>
7520 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7522 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7525 * tree-ssa-pre.c (phi_translate): Return NULL
7526 for AGGREGATE_TYPE's.
7528 2006-01-24 Zack Weinberg <zackw@panix.com>
7530 * genautomata.c (process_state_for_insn_equiv_partition):
7531 Use xcalloc for insn_arcs_array.
7532 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7533 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7535 2006-01-24 Richard Henderson <rth@redhat.com>
7537 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7540 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7542 PR rtl-optimization/25890
7543 PR rtl-optimization/25905
7544 * combine.c (expand_compound_operation, expand_field_assignment):
7545 Fail if the bitfield's final position is out of bounds.
7547 2006-01-24 Ian Lance Taylor <ian@airs.com>
7550 * cgraphunit.c (cgraph_output_in_order): Don't clear
7551 cgraph_asm_nodes until after asm strings have been output.
7553 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7555 * fix-header.c (read_scan_file): Add new parameter imultilib when
7556 calling register_include_chains.
7558 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7560 * omp-low.c: Update documentation.
7562 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7563 Daniel Berlin <dberlin@dberlin.org>
7567 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7568 return from the function.
7570 2006-01-22 Zack Weinberg <zackw@panix.com>
7572 * rtl.def (match_code): Add second argument.
7573 * genpreds.c (write_extract_subexp): New function.
7574 (write_match_code): Add path argument. Use write_extract_subexp.
7575 (write_predicate_expr): Pass path to write_match_code.
7576 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7577 not perform a mode test.
7578 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7579 a subexpression does not constrain the top-level code set.
7580 * read-rtl.c (read_rtx_variadic): New function.
7581 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7582 * doc/md.texi: Document new notation.
7583 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7584 (cmpsi_operand): ... here, using new notation.
7586 2006-01-22 Zack Weinberg <zackw@panix.com>
7588 * varray.c: Remove GENERATOR_FILE #ifdefs.
7590 2006-01-22 Zack Weinberg <zackw@panix.com>
7592 * genautomata.c (output_reserved_units_table): Emit nothing if
7593 description->query_units_num is zero. Remove extra blank line.
7594 (output_cpu_unit_reservation_p): Short circuit
7595 if description->query_units_num is zero.
7597 2006-01-22 Zack Weinberg <zackw@panix.com>
7599 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7600 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7601 nor any of the random handful of variables that used to be necessary
7602 when this program was linked with rtlanal.o. Prune set of forward
7603 function declarations.
7604 (struct attr_desc): Remove static_p field.
7605 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7606 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7607 (attr_string): Do not read the character one past the length of
7609 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7610 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7611 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7612 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7613 (make_automaton_attrs): New.
7614 (main): Do not call into genautomata. Call local gen_bypass
7615 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7616 Remove special case for insn_alts.
7617 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7618 varray.h (leftover from previous change). Prune set of forward
7619 function declarations. Remove state_alts fields from all
7620 structures. Remove state_alts_table from struct automaton.
7621 Make everything except main static. Do not maintain num_dfa_decls.
7622 Do not maintain state_alts fields of various structures.
7623 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7624 (add_arc): Remove state_alts argument. All callers updated.
7625 (output_reserved_units_table): Emit #ifdef here...
7626 (output_tables): ...not here. Don't generate state_alts tables.
7627 (expand_automata): Don't generate attributes.
7628 (write_automata): Don't generate state_alts functions.
7629 (main): New function.
7630 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7631 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7632 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7633 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7634 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7635 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7636 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7637 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7639 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7640 * genattrtab.h: Delete file.
7641 * Makefile.in (OBJS-common): Add insn-automata.o.
7642 (insn-automata.o): New rule.
7643 (simple_generated_c): Add insn-automata.c.
7644 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7645 (genprogmd): Add automata.
7646 (build/genattrtab): Needs no extra objects nor libraries.
7647 (build/genautomata): Needs build/vec.o and -lm.
7649 2006-01-22 Zack Weinberg <zackw@panix.com>
7651 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7652 (output_dfa_max_issue_rate, locked_states_num): Delete.
7653 (struct automaton): Add locked_states field.
7654 (output_dead_lock_vect): Save number of locked states in
7655 automaton->locked_states. If it is zero, don't print anything.
7656 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7657 (output_internal_dead_lock_func): Only test the dead_lock_vect
7658 for automata that have locked states.
7659 (output_statistics): Always print the number of locked states for
7660 each automaton. Calculate total number of locked states here.
7661 (write_automata): Don't call output_dfa_max_issue_rate.
7662 * genattrtab.c: Define length_unit_log as a const variable.
7663 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7664 max_insn_queue_index const.
7665 * final.c (length_unit_log): Declare const.
7666 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7668 2006-01-22 Zack Weinberg <zackw@panix.com>
7670 * genautomata.c: Include vec.h, not varray.h.
7671 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7672 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7673 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7674 VEC_* macros operating on appropriately typed vectors, or to
7675 malloced arrays when the size is known in advance. Const-ify
7676 many char* variables and function arguments. No functional changes.
7677 * Makefile.in (build/varray.o): Delete rule.
7678 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7679 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7681 2006-01-22 Zack Weinberg <zackw@panix.com>
7683 * gensupport.c: Define get_insn_name and record_insn_name here.
7684 (read_md_rtx): Call record_insn_name as appropriate.
7685 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7686 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7687 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7689 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7690 (BUILD_VARRAY): Delete.
7691 (genprognormal): Rename genprogmd. Fold in all programs from
7692 genprognoprint; also attrtab.
7693 (build/genattrtab): Just mention genautomata.o and varray.o.
7694 Reorganize a bit, add comments to make the categories clearer.
7696 2006-01-22 Zack Weinberg <zackw@panix.com>
7698 * genconditions.c (condition_table, add_condition): Delete.
7699 (write_conditions): Don't emit n_insn_conditions nor
7700 insn_elision_unavailable. Issue the gcc version #ifdef here,
7701 inside the table, with no #else clause ...
7702 (write_header): ...not here.
7703 (write_writer): New function.
7704 (main): Don't initialize condition_table. Use add_c_test.
7706 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7707 files on the command line.
7708 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7709 Return -1 if there is no entry in the table, don't abort.
7710 (add_c_test, traverse_c_tests): New functions.
7711 * gensupport.h (insn_elision_unavailable, insn_conditions)
7712 (n_insn_conditions): Delete declarations.
7713 (add_c_test, traverse_c_tests): Declare.
7714 * read-rtl.c: Include gensupport.h.
7715 (read_conditions): New function.
7716 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7717 (read_rtx_1): If we get EOF when we were looking for an initial
7718 open paren, return 0. Call read_conditions when appropriate.
7719 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7720 dummy-conditions.o. Eliminate references to insn-conditions.o,
7721 or change them to build/gencondmd.o, as appropriate. Remove
7722 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7723 from $(simple_generated_c). For all files remaining in those
7724 two lists, add insn-conditions.md to the generator command line.
7725 Give insn-constants.h/s-constants their own rules. Add rules
7726 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7727 (build/read-rtl.o): Depend on gensupport.h.
7728 (genprognormal): Include preds.
7729 (genprogearly): Rename genprognoprint; only difference is now that
7730 they don't link with $(BUILD_PRINT).
7731 * dummy-conditions.c: Delete.
7733 2006-01-22 Zack Weinberg <zackw@panix.com>
7735 * genextract.c: Don't include insn-config.h. Do include vec.h.
7736 Declare vectors of int, char, and locstr.
7737 (locstr): New typedef.
7738 (struct extraction): Make all array fields into bare pointers.
7739 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7740 (insn_code_number): Delete.
7741 (accum_extract): New struct.
7742 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7743 (gen_insn): Take insn_code_number as an argument. Use an
7744 accum_extract structure instead of loading data directly into
7745 a struct extraction, and having to know how big it might get.
7746 (walk_rtx): Operate entirely on an accum_extract structure.
7747 (print_path): Avoid unnecessary use of printf.
7748 (print_header): New function, split out of main. Distinguish
7749 more carefully between an unrecognizable insn and an insn that
7750 has the code number of a define_expand.
7751 (main): Pass insn_code_number to gen_insn. Call print_header
7752 only after parsing. Avoid unnecessary use of printf.
7753 * Makefile.in (build/vec.o): New rule.
7754 (build/genextract): Depend on build/vec.o.
7755 (build/genextract.o): Don't depend on insn-config.h.
7757 2006-01-22 Zack Weinberg <zackw@panix.com>
7759 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7760 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7761 practical. Eliminate per-generator-program link rules.
7763 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7766 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7767 with a call expr to ...
7768 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7770 2006-01-23 Richard Guenther <rguenther@suse.de>
7772 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7773 before make_edge with conditional EDGE_TRUE_VALUE.
7775 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7776 Jan Hubicka <jh@suse.cz>
7777 Richard Guenther <rguenther@suse.de>
7779 PR rtl-optimization/25654
7780 * cfgexpand.c (aggregate_contains_union_type): New function.
7781 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7782 for structure variables that contain a union type.
7784 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7786 * gengtype.c (new_structure): Return the structure.
7787 (create_option): Add an extra "next" argument.
7788 (create_field): New function.
7789 (adjust_field_rtx_def): Use create_option and create_field.
7790 Remove a now-unnecessary call to find_structure.
7791 (adjust_field_tree_def): Likewise.
7792 (note_yacc_type): Remove an unnecessary call to find_structure.
7793 * gengtype.h (new_structure): Return the structure.
7794 (create_option): Add an extra argument.
7795 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7796 (option): Adjust calls to create_option.
7798 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7800 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7802 2006-01-22 Paul Brook <paul@codesourcery.com>
7803 Peter Barada <peter@the-baradas.com>
7805 * config/m68k/m68k.md: Add Coldfire FPU support.
7806 Define FP mode macro and associated attributes.
7807 Use it for float mode patterns.
7808 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7809 (LIBCALL_VALUE): Use m68k_libcall_value.
7810 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7811 (m68k_function_value): Ditto.
7812 (emit_move_sequence): Ditto.
7813 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7814 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7815 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7816 (MULTILIB_EXCEPTIONS): Ditto.
7817 * config/m68k/m68k.opt: Add mcfv4e.
7818 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7819 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7820 (m68k_output_function_prologue): Save ColdFire FPU registers.
7821 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7822 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7823 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7824 ColdFire FPU registers.
7825 (m68k_libcall_value, m68k_function_value): New functions.
7826 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7827 (LIBCALL_VALUE): Use m68k_libcall_value.
7828 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7829 (MASK_COLDFIRE): Add MASK_CFV4E.
7830 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7831 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7832 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7833 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7834 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7835 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7836 * doc/invoke.tex: Document -mcfv4e on m68k.
7838 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7840 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7843 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7846 * c-opts.c (c_common_handle_option): Don't include
7847 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7848 * doc/invoke.texi (C++ Dialect Options): Document that
7849 -Wnon-virtual-dtor is no longer included in -Wall.
7851 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7853 * gcov.c (print_version), gcov-dump.c (print_version),
7854 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7857 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7859 * df-scan.c (problem_SCAN): Added NULL reset function.
7860 (df_scan_reset_blocks): Added code to call reset block function
7861 (df_bb_refs_delete) Fixed comment.
7862 (df_insn_refs_delete): Made tolerant of deleting non existent info
7863 for dataflow problems that need to be reset.
7864 * df-core.c (df_set_blocks): Ditto.
7865 * df.h (struct df_problem): Added reset_fun.
7866 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7867 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7868 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7869 functions to clear out all references to def-use or use-def chains.
7871 2006-01-21 Ben Elliston <bje@au.ibm.com>
7873 * varasm.c (assemble_real): Initialise data array.
7875 2006-01-20 Paul Brook <paul@codesourcery.com>
7877 Merge from csl-arm-branch.
7878 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7879 * config/arm/arm.md (movdi): Force operands[1] to a register
7880 if we have a non-register source.
7881 (*arm_movdi, *movdf_soft_insn): Require that one of the
7882 operands be a register.
7883 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7884 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7886 2006-01-20 DJ Delorie <dj@redhat.com>
7888 * varasm.c (initialize_constant_valid_p): Allow pointers
7889 initialized from integer constants of lesser precision.
7890 (output_constant): Allow non-int-sized pointer modes to be
7891 initialized from integer constants.
7893 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7896 * cppdefault.h (struct default_include): Add multilib flag.
7897 * cppdefault.c (cpp_include_defaults): Set it.
7898 * c.opt (-imultilib): New option.
7899 * c-opts.c (imultilib): New.
7900 (c_common_handle_option): Handle -imultilib.
7901 (c_common_post_options): Likewise.
7902 * c-incpath.c (add_standard_paths, register_include_chains):
7904 * c-incpath.h (register_include_chains): Add extra parameter.
7905 * gcc.c (do_spec_1): Generate -imultilib option.
7906 (The Specs Language): Update %I description.
7907 (process_command): Update copyright notice.
7908 * doc/cppopts.texi (-imultilib): Document.
7909 * doc/invoke.texi (-imultilib): Include in option summary.
7910 (%I): Update specs documentation.
7912 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7914 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7916 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7918 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7921 2006-01-20 Richard Guenther <rguenther@suse.de>
7922 Steven Bosscher <stevenb.gcc@gmail.com>
7924 PR rtl-optimization/24626
7925 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7926 EDGE_TRUE_VALUE if in RTL mode.
7929 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7930 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7932 2006-01-20 Dirk Mueller <dmueller@suse.com>
7935 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7936 instead of a special NOP marker.
7937 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7938 NOP marker handling.
7939 * c-common.h (empty_body_warning): Add forward declaration.
7940 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7941 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7943 2006-01-20 Paul Brook <paul@codesourcery.com>
7945 * Makefile.in (lang_checks): Keep going if mkdir fails.
7947 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7949 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7950 be able to clean out basic block when not necessary.
7951 (df_scan_free): Fixed to properly delete information if df is
7952 unused before calling df_finish.
7953 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7954 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7956 (df_bb_refs_delete): New function.
7957 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7958 * df-core.c (df_set_blocks): Added code to properly clean out
7959 unused blocks if they are not part of the blocks to consider.
7960 Added additional null check.
7961 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7962 be able to clean out basic block when not necessary
7963 * df.h (df_free_bb_function): Ditto.
7964 (df_bb_refs_delete): New function.
7965 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7966 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7967 basic block parameter to be able to clean out basic block when not
7969 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7970 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7971 Fixed to properly delete information if df is unused before
7974 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7976 PR rtl-optimization/25799
7977 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7978 Corrected confluence operator to remove bits from op2 before oring
7979 with op1 rather than removing bits from op1.
7980 (df_ru_transfer_function): Corrected test on wrong bitmap which
7981 caused infinite loop. Both of these problems were introduced in
7982 the dataflow rewrite.
7984 2006-01-19 DJ Delorie <dj@redhat.com>
7986 * reload1.c (find_reload_regs): Note the details of reload
7987 failures in the dump file.
7988 (spill_failure): Likewise.
7990 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7992 * loop-iv.c: Include df.h and hashtab.h.
7993 (enum iv_grd_result): New enum.
7994 (DF_REF_IV, DF_REF_IV_SET): New macros.
7995 (struct biv_entry): New.
7996 (df, bivs): New global variables.
7997 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7998 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8000 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8001 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8002 analyzed_for_bivness_p, record_biv): New functions.
8003 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8004 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8005 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8007 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8009 (iv_number_of_iterations): Use new interface to iv analysis.
8010 * loop-unroll.c: Do not include varray.h.
8011 (analyze_iv_to_split_insn): Use new interface to iv
8013 * loop-unswitch.c (may_unswitch_on): Ditto.
8014 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8016 (df_bb_modify): Realloc tables to the new index.
8017 (df_find_use): New function.
8018 * df.h (df_find_use): Declare.
8019 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8021 * cfgloop.h (struct rtx_iv): Remove analysed field.
8022 (iv_get_reaching_def): Removed.
8023 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8024 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8025 (loop-iv.o): Add df.h and hashtab.h dependency.
8026 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8028 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8031 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8033 (__floatundisf, __floatundidf): Likewise.
8034 * libgcc2.h (IS_IBM_EXTENDED): Define.
8036 2006-01-19 DJ Delorie <dj@redhat.com>
8038 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8040 2006-01-19 Paul Brook <paul@codesourcery.com>
8042 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8043 as nothrow when unwinding tables are disabled.
8045 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8048 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8049 of bit-field" when in system header.
8051 2006-01-19 DJ Delorie <dj@redhat.com>
8053 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8054 the 16 bit shift limit of the m16c.
8056 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8059 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8060 * config/i386/i386.c (output_set_got): Output the label if we have one
8061 for the TARGET_DEEP_BRANCH_PREDICTION case.
8063 2006-01-19 Jan Hubicka <jh@suse.cz>
8064 H.J. Lu <hongjiu.lu@intel.com>
8065 Evandro Menezes <evandro.menezes@amd.com>
8067 * invoke.texi (generic): Document
8069 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8070 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8071 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8072 (x86_use_incdec, x86_pad_returns): New variables
8073 (TARGET_CPU_DEFAULT_generic): New constant
8074 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8075 (enum processor_type): Add generic32 and generic64.
8076 * i386.md (cpu attribute): Add generic32/generic64
8077 (movhi splitter): Behave sanely when both partial_reg_dependency and
8078 partial_reg_stall are set.
8079 (K8 splitters): Enable for generic as well.
8080 * predicates.md (incdec_operand): Use TARGET_INCDEC
8081 (aligned_operand): Avoid memory mismatch stalls.
8082 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8083 * ppro.md: Enable for generic32
8084 * i386.c (generic64_cost, generic32_cost): New.
8085 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8086 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8087 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8088 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8089 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8090 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8091 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8092 x86_accumulate_outgoing_args, x86_prologue_using_move,
8093 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8094 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8096 (x86_use_incdec, x86_pad_returns): New.
8097 (override_options): Add generic32 and generic64, translate "generic"
8098 to generic32/generic64 and "i686" to "generic32", refuse
8099 "generic32"/"generic64" as arch target.
8100 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8101 (ix86_reorg): Honor PAD_RETURNS.
8103 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8105 * tree-pretty-print.c (dump_generic_node): Handle
8106 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8107 * cgraph.c (cgraph_expand_queue): Rename from
8108 cgraph_analyze_queue. Update all users.
8109 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8110 cgraph_expand_queue.
8111 (cgraph_expand_all_functions): Likewise.
8112 (cgraph_finalize_pending_functions): Remove. Update callers.
8114 * tree.h (OMP_DIRECTIVE_P): Define.
8115 (OMP_PARALLEL_FN): Define.
8116 (OMP_PARALLEL_DATA_ARG): Define.
8117 (OMP_SECTIONS_SECTIONS): Define.
8118 * tree-pass.h (pass_expand_omp): Declare.
8119 * omp-low.c (struct omp_region): Declare.
8120 (struct omp_context): Remove fields 'parallel_type',
8121 'parallel_start_ix' and 'parallel_start_additional_args'.
8123 (struct omp_for_data): Rename from struct expand_omp_for_data.
8124 (omp_regions): New static variable.
8125 (root_omp_region): New static variable.
8126 (find_omp_clause): Make static.
8127 (is_in_combined_parallel_ctx): Remove.
8128 (is_combined_parallel): New.
8129 (extract_omp_for_data): Move earlier in the file.
8130 (workshare_safe_to_combine_p): New.
8131 (get_ws_args_for): New.
8132 (determine_parallel_type): Move earlier in the file.
8133 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8135 (omp_copy_decl): Likewise.
8136 (create_omp_child_function): Likewise.
8137 (lookup_omp_region): New.
8138 (dump_omp_region): New.
8139 (debug_omp_region): New.
8140 (debug_all_omp_regions): New.
8141 (new_omp_region): New.
8142 (scan_omp_parallel): If parallel_nesting_level > 1, the
8143 directive is nested within another parallel directive.
8144 Set OMP_PARALLEL_FN.
8145 (scan_omp_for): Do not try to handle combined parallel+for
8147 Remove FIXME comment.
8148 (scan_omp_nested): Remove.
8149 (scan_omp_1): Do not call scan_omp_nested when
8150 parallel_nesting_level is > 1.
8151 Do not change the DECL_CONTEXT of local variables found.
8152 (lookup_decl_in_outer_ctx): New.
8153 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8154 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8155 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8156 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8157 If CTX is nested, lookup VAR in the outer context when
8158 building copy assignment.
8159 (lower_send_clauses): Rename from expand_send_clauses.
8160 If CTX is nested, lookup VAR in the outer context when
8161 building copy assignments.
8162 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8163 If CTX is nested, lookup VAR in the outer context when
8164 building copy assignments.
8165 (expand_parallel_call): Rename from build_parallel_call.
8166 Handle combined parallel+workshare cases.
8167 Re-implement to emit code into the CFG.
8169 (expand_omp_parallel): Re-implement to emit code into the CFG.
8170 Call move_sese_region_to_fn to outline the sub-graph
8171 containing the parallel region.
8172 (expand_omp_for_1): Remove.
8173 (expand_omp_for_generic): Re-implement to emit code into the
8175 (expand_omp_for_static_nochunk): Likewise.
8176 (expand_omp_for_static_chunk): Likewise.
8177 (expand_omp_for): Likewise.
8178 (expand_omp_sections): Likewise.
8179 (remove_exit_barriers): New.
8180 (expand_omp_synch): New.
8182 (build_omp_regions_1): New.
8183 (build_omp_regions): New.
8184 (execute_expand_omp): New.
8185 (gate_expand_omp): New.
8186 (pass_expand_omp): Define.
8187 (lower_omp_sections): Rename from expand_omp_sections.
8188 Set OMP_SECTIONS_SECTIONS.
8189 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8190 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8191 (lower_omp_single): Rename from expand_omp_simple.
8192 (lower_omp_master): Rename from expand_omp_master.
8193 (lower_omp_ordered): Rename from expand_omp_ordered.
8194 (lower_omp_critical): Rename from expand_omp_critical.
8195 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8196 (lower_omp_for): Re-implement.
8197 (lower_omp_parallel): Re-implement.
8198 (lower_regimplify): Rename from expand_regimplify.
8199 (lower_omp_1): Rename from expand_omp_1.
8200 If there are syntax errors in the program, replace every
8201 OpenMP directive with NOP.
8202 Call lower_omp_* instead of expand_omp_*.
8203 (lower_omp): Rename from expand_omp.
8205 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8206 * tree-gimple.h (enum omp_parallel_type): Remove.
8207 (gimple_boolify): Declare extern.
8208 (find_omp_clause, determine_parallel_type): Remove.
8210 * gimple-low.c (lower_omp_directive): New.
8211 (lower_stmt): Call it.
8212 (record_vars_into): Move from ...
8213 (record_vars): ... here.
8214 Call record_vars_into with current_function_decl.
8216 * gimplify.c (struct gimplify_ctx): Remove fields
8217 combined_pre_p and combined_ctxp. Update users.
8218 (get_formal_tmp_var): Add documentation.
8219 (gimple_boolify): Make extern.
8220 (gimplify_expr_in_ctx): Remove. Update callers.
8221 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8222 will always be a BIND_EXPR.
8223 (gimplify_expr): Handle OMP_RETURN_EXPR.
8224 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8225 (OMP_PARALLEL): Add 3 operands.
8226 (OMP_SECTIONS): Add 1 operand.
8227 (OMP_RETURN_EXPR): Define.
8229 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8230 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8231 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8232 creating a circular free list.
8233 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8235 * tree-flow.h (move_sese_region_to_fn): Declare.
8236 (record_vars_into): Declare.
8237 * tree-cfg.c (make_omp_sections_edges): New.
8238 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8239 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8240 OMP_SECTIONS and OMP_SECTION.
8241 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8242 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8243 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8244 (gather_blocks_in_sese_region): New.
8245 (struct move_stmt_d): Declare.
8247 (move_block_to_fn): New.
8248 (move_sese_region_to_fn): New.
8250 * passes.c (init_optimization_passes): Schedule
8251 pass_expand_omp after pass_init_datastructures.
8253 * tree-ssa-operands.c (get_expr_operands): Handle
8254 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8255 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8257 2006-01-19 Jeff Law <law@redhat.com>
8259 * tree-vrp.c (extract_range_from_assert): Refine the result range
8260 if the variable referenced by the ASSERT_EXPR has a range and
8261 either the tentative result range or the previous range is a
8264 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8266 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8268 2006-01-19 Jan Hubicka <jh@suse.cz>
8270 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8272 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8274 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8275 (expand_compound_operation, expand_field_assignment): Fail if the
8276 bit lengths of an extract operation are out of range.
8277 (make_extraction): Compute wanted_inner_mode based on the position
8278 and length of the extraction. Make it extraction_mode for non-constant
8279 positions, and do not modify offset in that case. When generating a
8280 new MEM, use a mode that can hold the extraction while keeping correct
8281 alignment. Remove code that supported MEMs wrapped by USEs.
8282 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8284 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8286 * config/s390/s390.md ("Y", "y"): New mode attribute.
8287 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8288 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8289 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8290 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8291 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8292 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8293 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8294 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8295 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8296 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8297 "addsi3", "subsi3"): Insn patterns removed.
8298 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8299 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8300 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8301 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8302 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8303 "*sub<mode>3_cconly2"): New insn patterns.
8304 ("addsi3", "subsi3"): New expanders.
8306 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8308 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8309 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8310 existing STMT_VINFO_VECTYPE if available.
8311 (vect_mark_relevant): Add special handling for stmts that are
8312 marked as STMT_VINFO_IN_PATTERN_P.
8313 (vect_analyze_loop): Call vect_pattern_recog.
8314 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8315 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8317 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8318 (vect_recog_func_ptr): New function-pointer type.
8319 * tree-vect-patterns.c: New file.
8320 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8321 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8322 (vect_pattern_recog_1): New functions.
8323 (vect_pattern_recog_funcs): New array of function pointers.
8325 * tree-vectorizer.h (ternary_op): New enum value.
8326 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8327 declaration. Revised documentation. Removed redundant dump prints.
8328 Removed redundant argument. Added support for reduction patterns.
8329 (vectorizable_reduction): Added support for reduction patterns.
8330 (vect_transform_stmt): Added support for patterns.
8332 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8333 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8334 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8335 (expand_widen_pattern_expr): New function.
8336 (init_optabs): Initialize new optabs udot_prod_optab,
8338 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8339 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8340 (expand_widen_pattern_expr): New function declaration.
8341 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8343 * tree-inline.c (estimate_num_insns_1): Added cases for new
8344 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8345 * tree-pretty-print.c (dump_generic_node): Likewise.
8346 (op_prio): Likewise.
8347 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8348 * tree-ssa-operands.c (get_expr_operands): Added case for
8350 * tree-vect-patterns.c (widened_name_p): New function.
8351 (vect_recog_dot_prod_pattern): Added function implementation.
8352 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8353 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8354 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8355 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8357 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8358 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8359 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8360 (init_optabs): Initialize new optabs widen_ssum_optab,
8362 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8363 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8364 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8365 use instead of type of def.
8366 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8367 function implementation.
8368 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8369 widen_ssumv8hi): New.
8371 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8374 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8377 * c-decl.c (add_flexible_array_elts_to_size): New function.
8378 (finish_decl): Use it.
8380 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8382 * diagnostic.h: Include options.h.
8383 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8384 dependancies for diagnostic.h.
8385 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8387 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8389 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8390 (ssa_ro_call_cache_valid): Ditto.
8391 * tree-ssa-alias.c (sort_tags_by_id): New function.
8392 (init_transitive_clobber_worklist): Ditto.
8393 (add_to_worklist): Ditto.
8394 (mark_aliases_call_clobbered): Ditto.
8395 (compute_tag_properties): Ditto.
8396 (set_initial_properties): Ditto.
8397 (compute_call_clobbered): Ditto.
8398 (compute_may_aliases): Call compute_call_clobbered and grouping.
8399 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8400 (compute_flow_insensitive_aliasing): Grouping now happens in our
8402 (setup_pointers_and_addressables): Remove clobbering related code.
8403 (add_may_alias): Ditto.
8404 (replace_may_alias): Ditto.
8405 (get_nmt_for): Ditto.
8406 (create_global_var):
8407 (is_escape_site): Return an escape_type enumeration.
8408 * tree-flow-inline.h (is_call_clobbered): Global var does not
8409 imply call clobbered.
8410 (mark_call_clobbered): Take a reason for marking this. Remove
8411 marking of globalness, and cache invalidation.
8412 (clear_call_clobbered): Remove cache invalidation code.
8413 * tree-dfa.c (dump_variable): If details is on, dump the reason
8415 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8417 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8418 (struct var_ann_d): Ditto.
8419 (enum escape_type): New.
8420 (mark_call_clobbered): Adjust prototype.
8421 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8422 are never call clobbered.
8423 Record reasons for escaping.
8424 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8425 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8426 (ssa_ro_call_cache_valid): Ditto.
8427 (clobbered_v_may_defs): Ditto.
8428 (clobbered_vuses): Ditto.
8429 (ro_call_vuses): Ditto.
8430 (clobber_stats): New.
8431 (init_ssa_operands): Zero out clobber stats.
8432 (fini_ssa_operands): Print out clobber stats.
8433 (get_call_expr_operands): Pass callee fndecl to
8435 (add_call_clobber_ops): Remove use of cache.
8436 Add use of PURE_CONST information.
8437 (add_call_read_ops): Remove use of cache.
8438 Add use of static not_read information.
8440 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8442 Introduce TLS descriptors for i386 and x86_64.
8443 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8444 (TARGET_ANY_GNU_TLS): New macro.
8445 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8446 (struct machine_function): Add tls_descriptor_call_expanded_p.
8447 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8448 (ix86_current_function_calls_tls_descriptor): Likewise.
8449 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8450 (override_options): Introduce gnu2 tls dialect.
8451 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8453 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8455 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8456 (ix86_init_machine_status): Initialize new field.
8457 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8458 (ix86_tls_module_base): New.
8459 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8460 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8461 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8462 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8463 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8464 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8465 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8466 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8467 * config/i386/predicates.md (tls_modbase_operand): New.
8468 (tp_or_register_operand): New.
8470 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8472 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8473 (look_for_address_of): Ditto.
8474 (ipa_init): Walk the function decls.
8475 (static_execute): Don't set readonly on FUNCTION_DECL's.
8477 2006-01-18 Roger Sayle <roger@eyesopen.com>
8479 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8480 for shifts where the source and destination registers are different.
8482 2006-01-18 Paul Brook <paul@codesourcery.com>
8484 Merge from csl-arm-branch.
8485 2005-03-14 Julian Brown <julian@codesourcery.com>
8486 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8487 (aeabi_llsl): Likewise.
8488 (ashrdi3): Likewise.
8489 (aeabi_lasr): Likewise.
8490 (lshrdi3): Likewise.
8491 (aeabi_llsr): Likewise.
8492 2005-03-10 Julian Brown <julian@codesourcery.com>
8493 * config.gcc: Disable shared libgcc for SymbianOS.
8494 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8496 2006-01-18 DJ Delorie <dj@redhat.com>
8498 * c-pragma.c (handle_pragma_diagnostic): New.
8499 (init_pragma): Register it.
8500 * doc/extend.texi: Document it.
8502 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8503 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8504 (diagnostic_context): Add classify_diagnostic[].
8505 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8506 as errors if they're overridden to DK_WARNING.
8507 (diagnostic_initialize): Initialize classify_diagnostic[].
8508 (diagnostic_set_kind_override): New.
8509 (diagnostic_report_diagnostic): Check for kind changes.
8510 * opts.c (common_handle_option): Take lang_mask. Update callers.
8512 * common.opt (Werror=): New.
8513 * doc/invoke.texi: Document -Werror=*
8515 2006-01-18 Jeff Law <law@redhat.com>
8517 * tree-vrp.c (test_for_singularity): Correct test for new
8518 min limit. Use operand_equal_p rather than pointer equality
8519 for testing if new min/max values are equal.
8521 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8522 using range information until after propagation and folding.
8524 2006-01-18 Richard Henderson <rth@redhat.com>
8525 Aldy Hernandez <aldyh@redhat.com>
8526 Jakub Jelinek <jakub@redhat.com>
8527 Diego Novillo <dnovillo@redhat.com>
8529 * omp-low.c: New file.
8530 * c-omp.c: New file.
8532 2006-01-18 Richard Henderson <rth@redhat.com>
8533 Jakub Jelinek <jakub@redhat.com>
8534 Diego Novillo <dnovillo@redhat.com>
8536 * doc/invoke.texi: Document -fopenmp.
8537 * tree-dump.h (debug_function): Declare.
8538 * hooks.c (hook_bool_tree_bool_false): New function.
8539 (hook_tree_tree_null): Remove.
8540 (hook_tree_tree_tree_null): New.
8541 * hooks.h: Update to match.
8542 * tree-pretty-print.c (debug_tree_chain): New.
8543 (print_generic_expr): Handle TDF_CHAIN.
8544 (dump_generic_node): Handle BLOCK.
8545 Do not abort with incomplete SWITCH_EXPRs.
8546 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8547 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8548 print space after directive name.
8549 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8550 Handle OMP_MASTER and OMP_ORDERED.
8551 Handle printing of OMP_BODY just in one place, goto
8552 dump_omp_body in the rest of OMP_* nodes that have
8554 Don't handle clause nodes here. Update omp statements to
8555 use dump_omp_clauses.
8556 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8557 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8558 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8559 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8560 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8561 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8562 Adjust output for GOMP_PARALLEL.
8563 (dump_omp_clauses): New.
8564 (print_declaration): Dump DECL_VALUE_EXPR.
8565 (op_symbol_1): Split out of op_symbol.
8566 (dumping_stmts): Remove. Update all users.
8567 * cgraph.c (cgraph_analyze_queue): New.
8568 (cgraph_add_new_function): New.
8569 * cgraph.h (cgraph_analyze_queue): Declare.
8570 (cgraph_add_new_function): Declare.
8571 (cgraph_lower_function): Remove.
8572 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8573 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8574 and TYPE_P nodes in its default clause.
8575 (empty_body_p): New.
8576 (tree_range_check_failed): New.
8578 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8579 OMP_CLAUSE_REDUCTION_MERGE,
8580 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8581 OMP_CLAUSE_PRIVATE_DEBUG,
8582 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8583 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8584 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8585 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8586 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8587 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8588 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8589 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8590 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8591 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8592 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8593 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8594 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8595 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8596 (TREE_RANGE_CHECK): New.
8597 (empty_body_p): Declare.
8598 (enum omp_clause_default_kind): New.
8599 (build_string_literal): Declare.
8600 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8601 (build5_stat, build5): Declare.
8602 * tree-pass.h (TDF_CHAIN): Define.
8603 * tree-pass.h (PROP_gimple_lomp): Define.
8604 (pass_lower_omp): Declare.
8605 * diagnostic.h (debug_tree_chain): Declare.
8606 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8608 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8609 * builtins.c (build_string_literal): Make extern.
8610 * gcc.c (include_spec_function): New.
8611 (static_spec_functions): Add it.
8612 (main): Move load of libgomp.spec ...
8613 (LINK_COMMAND_SPEC): ... here.
8614 (link_gomp_spec): New.
8615 (static_specs): Include it.
8616 (LINK_COMMAND_SPEC): Add link_gomp.
8617 (GOMP_SELF_SPECS): New.
8618 (driver_self_specs): Include it.
8619 (switch_matches): Don't mark inline.
8620 (main): Load libgomp.spec.
8621 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8622 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8623 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8624 * tree-gimple.h (enum omp_parallel): Declare.
8625 (determine_parallel_type): Declare.
8626 (omp_firstprivatize_variable): Declare.
8627 (omp_reduction_init): Declare.
8628 (diagnose_omp_structured_block_errors): Declare.
8629 (struct walk_stmt_info): Add want_return_expr.
8630 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8631 (find_omp_clause): Declare.
8632 (insert_field_into_struct): Declare.
8633 (struct walk_stmt_info): Move from tree-nested.c
8634 (walk_stmts): Declare.
8635 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8637 * cgraphunit.c (cgraph_lower_function): Make static.
8638 (cgraph_finalize_pending_functions): New.
8639 (cgraph_finalize_function): Call it.
8640 (cgraph_finalize_compilation_unit): Likewise.
8641 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8642 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8643 (BT_FN_UINT_UINT): New.
8644 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8645 DEF_FUNCTION_TYPE_VAR_4): Document.
8646 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8647 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8648 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8649 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8650 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8651 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8652 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8653 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8654 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8655 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8656 into separate files.
8657 (DEF_GOMP_BUILTIN): New.
8658 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8659 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8660 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8661 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8662 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8663 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8664 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8665 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8666 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8667 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8668 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8669 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8670 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8671 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8672 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8673 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8674 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8675 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8676 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8677 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8678 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8679 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8680 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8681 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8682 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8683 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8684 * sync-builtins.def: New file, moved from builtins.def.
8685 * omp-builtins.def: New file, moved from builtins.def.
8686 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8687 * gimple-low.c (lower_function_body): Clear data.
8688 (lower_stmt): Do not handle COMPOUND_EXPR.
8689 Remove call to print_node_brief.
8690 * c-tree.h (c_finish_omp_clauses): New prototype.
8691 (C_DECL_THREADPRIVATE_P): Define.
8692 (lookup_name_no_remap, c_omp_remap_private): Remove
8693 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8694 (check_for_loop_decls): Update decl.
8695 (lookup_name_no_remap, c_omp_remap_private): Declare.
8696 (build_indirect_ref, build_modify_expr, pushdecl,
8697 pushdecl_top_level): Move to c-common.h.
8698 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8699 before the switch, but just in the 2 places that need it.
8700 * c-decl.c (diagnose_mismatched_decls): Do not check for
8701 mismatched thread-local attributes when OLDDECL is marked
8702 threadprivate and NEWDECL has no thread-local attributes.
8703 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8704 (c_gimple_diagnostics_recursively): Rename from
8705 c_warn_unused_result_recursively. Invoke
8706 diagnose_omp_structured_block_errors.
8707 (check_for_loop_decls): Return a singular decl found.
8708 * langhooks.c (lhd_omp_predetermined_sharing): Return
8709 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8710 (lhd_omp_firstprivatize_type_sizes): New.
8711 (lhd_omp_assignment): New.
8712 (lhd_omp_predetermined_sharing): New.
8713 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8714 (struct lang_hooks_for_types): Add
8715 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8716 omp_predetermined_sharing, omp_disregard_value_expr,
8717 omp_private_debug_clause, omp_clause_default_ctor,
8718 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8719 (c_finish_omp_clauses): New.
8720 (c_finish_bc_stmt): Diagnose break within omp for.
8721 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8722 (build_unary_op): Return error_mark after reporting
8724 (build_modify_expr): Likewise.
8725 * gimplify.c: Include optabs.h and pointer-set.h.
8726 (enum gimplify_omp_var_data): Declare.
8727 (struct gimplify_omp_ctx): Declare.
8728 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8730 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8731 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8732 (splay_tree_compare_decl_uid): New.
8733 (new_omp_context): New.
8734 (delete_omp_context): New.
8735 (gimple_add_tmp_var): Call omp_add_variable.
8736 (gimplify_bind_expr): Likewise.
8737 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8738 true, disregard DECL_VALUE_EXPR on the decl if any.
8739 (gimplify_expr_in_ctx): New.
8740 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8741 omp_add_variable, omp_notice_variable, omp_is_private
8742 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8743 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8744 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8745 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8746 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8747 gimplify_omp_atomic): New.
8748 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8749 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8750 OMP_CRITICAL and OMP_ATOMIC.
8751 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8752 * c-pragma.h (enum pragma_kind): Add
8753 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8754 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8755 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8756 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8757 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8758 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8759 PRAGMA_OMP_THREADPRIVATE.
8760 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8761 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8762 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8763 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8764 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8765 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8766 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8767 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8768 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8769 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8770 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8771 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8772 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8774 (struct nesting_info): Add field_map,
8775 suppress_expansion, debug_var_chain.
8776 (create_nesting_tree): Initialize them.
8777 (lookup_field_for_decl): Use field_map.
8778 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8779 (convert_local_omp_clauses): New.
8780 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8781 (walk_body): Split out of walk_function.
8782 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8783 (convert_nonlocal_reference): Handle omp statements.
8784 (convert_local_reference): Likewise.
8785 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8786 (unnest_nesting_tree): New.
8787 (lower_nested_functions): Call it.
8788 (insert_field_into_struct): Make extern.
8789 (struct walk_stmt_info): Move to tree-gimple.h.
8790 (walk_stmts): Make extern.
8791 * omp-builtins.def: New file.
8792 * tree-iterator.c (expr_only): Clarify comment.
8793 * c-common.h (pushdecl_top_level, pushdecl,
8794 build_modify_expr, build_indirect_ref,
8795 c_finish_omp_master, c_finish_omp_critical,
8796 c_finish_omp_ordered, c_finish_omp_barrier,
8797 c_finish_omp_atomic, c_finish_omp_flush,
8798 c_finish_omp_for, c_split_parallel_clauses,
8799 omp_clause_default_kind, c_omp_sharing_predetermined,
8800 c_omp_remap_decl): Declare.
8801 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8802 (OBJS-common): Add omp-low.o.
8803 (c-omp.o, omp-low.o): Add.
8804 (gimplify.o): Add dependency on $(OPTABS_H).
8805 (GTFILES): Add omp-low.c.
8806 (gt-stringpool.h): Add.
8807 * tree-cfg.c (set_bb_for_stmt): Do not update the
8808 block-to-labels map if we are currently expanding to RTL.
8809 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8811 Handle IDENTIFIER_NODE.
8812 (tree_verify_flow_info): Do not ICE when emitting error
8813 messages about invalid labels.
8814 (dump_function_to_file): Reset CFUN before emitting the body
8816 (debug_function): New.
8817 * passes.c (init_optimization_passes): Schedule
8819 * langhooks-def.h (lhd_omp_predetermined_sharing,
8820 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8822 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8823 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8824 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8825 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8826 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8827 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8828 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8829 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8830 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8831 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8832 (LANG_HOOK_DECLS): Use them.
8834 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8835 Richard Henderson <rth@redhat.com>
8836 Jakub Jelinek <jakub@redhat.com>
8837 Diego Novillo <dnovillo@redhat.com>
8839 * c-parser.c (pragma_omp_clause): Define.
8840 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8841 (c_parser_compound_statement): Likewise.
8842 (c_parser_statement): Likewise.
8843 (c_parser_pragma): Handle omp pragmas.
8844 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8845 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8846 (c_parser_omp_clause_name, check_no_duplicate_clause,
8847 c_parser_omp_variable_list,
8848 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8849 c_parser_omp_clause_copyprivate,
8850 c_parser_omp_clause_default,
8851 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8852 c_parser_omp_clause_lastprivate,
8853 c_parser_omp_clause_nowait,
8854 c_parser_omp_clause_num_threads,
8855 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8856 c_parser_omp_clause_reduction,
8857 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8858 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8859 c_parser_omp_atomic, c_parser_omp_barrier,
8860 c_parser_omp_critical, c_parser_omp_flush,
8861 c_parser_omp_for_loop, c_parser_omp_for,
8862 c_parser_omp_master, c_parser_omp_ordered,
8863 c_parser_omp_sections_scope, c_parser_omp_sections,
8864 c_parser_omp_parallel, c_parser_omp_single,
8865 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8866 * c-pragma.c (init_pragma): Do omp pragma registration here.
8867 * c.opt (fopenmp): New flag.
8869 2006-01-18 Eric Christopher <echristo@apple.com>
8871 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8872 * config/darwin.h (GOMP_SELF_SPECS): Define.
8874 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8876 * rtl.h: Remove the prototype for reg_alloc.
8878 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8881 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8882 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8883 sjlj and dwarf2 exception handling.
8884 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8885 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8886 * pa/pa.c (function_value): Treat complex and vector types as
8888 (function_arg): Likewise. Only pass scalar floats in the floating
8889 point argument registers.
8890 * pa/t-slibgcc-dwarf-ver: New file.
8891 * pa/t-slibgcc-sjlj-ver: New file.
8892 * pa/t-slibgcc-elf-ver: Delete file.
8894 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8896 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8897 unlikely_test_section_p test.
8899 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8901 * mode-switching.c (optimize_mode_switching): Make it static.
8902 * basic-block.h: Remove the prototype for
8903 optimize_mode_switching.
8905 * modulo-sched.c (sms_schedule): Make it static.
8906 * rtl.h: Remove the prototype for sms_schedule.
8908 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8909 * rtl.h: Remove the prototype for gcse_after_reload_main.
8911 * reg-stack.c (reg_to_stack): Make it static.
8912 * rtl.h: Remove the prototype for reg_to_stack.
8914 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8916 * rtl.h: Remove the prototypes for regrename_optimize and
8917 copyprop_hardreg_forward.
8919 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8921 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8922 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8923 Test against the appropriate null constant for the mode.
8924 If 'fixup_overlap' is true, swap the operands if they overlap.
8925 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8926 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8927 alpha_split_tmode_pair and adjust for above change.
8928 * config/alpha/alpha.md (movtf_internal): Adjust call to
8929 alpha_split_tfmode_pair and rely on it to swap the operands.
8930 (movti_internal): New insn and post-reload splitter.
8931 (movti): New expander.
8933 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8935 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8938 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8940 * rtlanal.c (global_reg_mentioned_p_1,
8941 global_reg_mentioned_p): Remove.
8942 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8944 * flow.c (initialize_uninitialized_subregs): Make it static.
8945 * rtl.h: Remove the prototype for
8946 initialize_uninitialized_subregs.
8948 * function.c (instantiate_virtual_regs): Make it static.
8949 * function.h: Remove the prototype for
8950 instantiate_virtual_regs.
8952 * regmove.c (regmove_optimize, combine_stack_adjustments):
8954 * rtl.h: Remove the prototypes for regmove_optimize and
8955 combine_stack_adjustments.
8957 2006-01-17 Roger Sayle <roger@eyesopen.com>
8959 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8960 (size_cost): Encode costs in bytes so that a reg-reg addition is
8961 equivalent to COSTS_N_INSNS(1).
8962 (override_options): Use the size_cost.branch_cost as the default
8963 ix86_branch_cost when optimizing for size.
8965 2006-01-18 Ben Elliston <bje@au.ibm.com>
8967 * Makefile.in (D32PBIT_FUNCS): New.
8968 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8969 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8970 D64PBIT_FUNCS and D128PBIT_FUNCS.
8971 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8972 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8974 (decnumber_dep): Define.
8975 * doc/libgcc.texi (Decimal float library routines): New node.
8976 * config/dfp-bit.h, config/dfp-bit.c: New files.
8978 2006-01-18 Ben Elliston <bje@au.ibm.com>
8980 * expr.c (emit_move_change_mode): Always adjust addresses, not
8981 just during reload. Copy replacements only during reload.
8982 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8983 emit_move_via_integer.
8985 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8987 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8988 instead of $(srcdir) and ${srcdir}.
8990 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8994 * arm.h (struct machine_function): Add pic_reg.
8995 * arm.c (arm_pic_register): Make unsigned.
8996 (arm_override_options): Only set arm_pic_register if
8997 TARGET_SINGLE_PIC_BASE.
8998 (use_return_insn): Only test for a pic register if it is fixed.
8999 (arm_compute_save_reg0_reg12_mask): Likewise.
9000 (thumb_compute_save_reg_mask): Likewise.
9001 (legitimate_pic_operand): Factor out some known invariants.
9002 (legitimize_pic_address): If we don't have a fixed pic register,
9003 then set up a pseudo in the function entry sequence. Handle the
9004 pic base being in a pseudo.
9005 (arm_load_pic_register): Handle the pic register being in a pseudo.
9006 (arm_expand_prologue): Only set up the pic register if it is fixed.
9007 (thumb_expand_prologue): Likewise.
9008 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9009 (pic_load_addr_based_insn): Likewise.
9010 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9013 2006-01-18 Ben Elliston <bje@au.ibm.com>
9015 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9016 decimal float modes for all floating point registers.
9018 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9019 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9021 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9024 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9025 even when the pointer is not NULL.
9027 2006-01-16 Ian Lance Taylor <ian@airs.com>
9029 * common.opt (ftoplevel-reorder): New option.
9030 * cgraph.c (cgraph_asm_nodes): New global variable.
9031 (cgraph_asm_last_node): New static variable.
9032 (cgraph_order): New global variable.
9033 (cgraph_create_node): Set new order field.
9034 (cgraph_varpool_node): Likewise.
9035 (decide_is_variable_needed): Return true if not
9036 flag_toplevel_reorder.
9037 (cgraph_add_asm_node): New function.
9038 * cgraph.h (struct cgraph_node): Add order field.
9039 (struct cgraph_varpool_node): Add order field.
9040 (struct cgraph_asm_node): Define.
9041 (cgraph_asm_nodes, cgraph_order): Declare.
9042 (cgraph_add_asm_node): Declare.
9043 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9045 (cgraph_varpool_assemble_pending_decls): Call it.
9046 (cgraph_output_pending_asms): New static function.
9047 (cgraph_finalize_compilation_unit): Call it.
9048 (struct cgraph_order_sort): Define.
9049 (cgraph_output_in_order): New static function.
9050 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9051 !flag_toplevel_reorder case.
9052 * c-parser.c: Include "cgraph.h".
9053 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9055 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9056 than -fno-unit-at-a-time.
9057 * doc/invoke.texi (Option Summary): Mention
9058 -fno-toplevel-reorder.
9059 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9060 -funit-at-a-time documentation.
9062 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9063 Kazu Hirata <kazu@codesourcery.com>
9065 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9067 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9069 * Makefile.in (FUNCTION_H): New. Use it instead of
9070 function.h throughout the file.
9071 * function.h: Include tree.h.
9073 2006-01-17 Ben Elliston <bje@au.ibm.com>
9075 * recog.c: Separate some functions with whitespace.
9077 2006-01-16 Richard Henderson <rth@redhat.com>
9079 Merge from gomp branch:
9080 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9081 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9082 and rename from struct inline_data. Rename callee* to dst*;
9083 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9084 transform_new_cfg, transform_return_to_modify, and
9085 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9087 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9088 (copy_decl_for_dup): Remove.
9089 * tree-inline.c (struct inline_data): Move to header.
9090 (insert_decl_map): Export.
9091 (remap_decl): Update for member name changes. Use copy_decl hook.
9092 Allow for replacement to be a non-decl. Remove dead code.
9093 (remap_type_1): Check for existing mapping.
9094 (remap_type): Export.
9095 (remap_decls): Update for member name changes.
9096 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9097 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9098 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9099 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9100 (tree_function_versioning, build_duplicate_type): Likewise.
9101 (copy_body_r): Likewise. Export.
9102 (copy_decl_for_dup): Split into ...
9103 (copy_decl_for_dup_finish, copy_decl_to_var,
9104 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9105 (replace_ref_tree, inlining_p): Remove.
9107 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9109 * ifcvt.c (if_convert): Make it static.
9110 * rtl.h: Remove the prototype for if_convert.
9112 * local-alloc.c (local_alloc): Make it static.
9113 * rtl.h: Remove the prototype for local_alloc.
9115 * loop.c (loop_optimize): Make it static.
9116 * cfgloop.h: Remove the prototype for loop_optimize.
9119 2006-01-16 DJ Delorie <dj@redhat.com>
9121 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9124 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9126 * pa.md: Disparage copies between general and floating-point registers
9127 in 32-bit move patterns.
9129 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9132 * Makefile.in (check-%): Depend on site.exp instead of
9133 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9136 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9138 * global.c (global_alloc): Make it static.
9139 * rtl.h: Remove the prototype for global_alloc.
9141 2006-01-16 Richard Guenther <rguenther@suse.de>
9143 * tree-ssa-alias.c (struct used_part): Add write_only field.
9144 (get_or_create_used_part_for): Initialize it to true.
9145 (create_overlap_variables_for): Don't create structure variables
9146 for structures that only are written to.
9147 (find_used_portions): Handle MODIFY_EXPR to track whether a
9148 structure is only written to.
9150 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9152 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9154 * basic-block.h: Remove the prototype for
9155 partition_hot_cold_basic_blocks.
9157 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9159 * cppspec.c (lang_specific_spec_functions): Remove.
9160 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9161 * gcc.h (lang_specific_spec_functions): Remove.
9162 * gccspec.c (lang_specific_spec_functions): Remove.
9164 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9166 * combine.c (record_value_for_reg): Invalidate registers
9168 (record_dead_and_set_regs_1): Likewise, by passing them to
9169 record_value_for_reg.
9170 (record_dead_and_set_regs): Invalidate stores made by a
9171 call. We do not combine across a call, but we still
9172 relied on equivalences.
9174 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9176 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9177 vrp_int_const_binop returning non-constant nodes.
9179 2006-01-16 Paul Brook <paul@codesourcery.com>
9181 * config/m68k/m68k.c (output_move_const_into_data_reg):
9182 Output correct mnemonic for mvz and mvs.
9184 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9186 * rtl-factoring.c: Add sequence abstraction algorithm.
9187 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9188 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9190 (block_has_preserve_label): New function.
9191 * common.opt: Register new pass.
9192 * Makefile.in: Ditto.
9194 * timevar.def: Ditto.
9195 * tree-pass.h: Ditto.
9196 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9197 * rtl.h (make_jump_insn_raw): Add forward decl.
9198 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9200 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9201 Roger Sayle <roger@eyesopen.com>
9203 * fold-const.c (fold_minmax): New static function.
9204 (fold_binary) <MIN_EXPR>: Call it.
9205 <MAX_EXPR>: Likewise.
9206 * stor-layout.c (place_field): Use DECL_SIZE consistently
9207 in the computation of the new record size.
9209 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9211 * cse.c (cse_condition_code_reg): Make it static.
9212 * rtl.h: Remove the prototype for cse_condition_code_reg.
9214 * combine.c (combine_instructions): Make it static.
9215 * rtl.h: Remove the prototype for combine_instructions.
9217 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9220 * tree.c (get_file_function_name_long): Concatenate the first global
9221 object name with a string derived from the input filename of the object
9224 2006-01-16 Ben Elliston <bje@au.ibm.com>
9226 * config/i386/winnt-stubs.c: Update FSF address.
9227 * config/xtensa/ieee754-df.S: Ditto.
9228 * config/xtensa/ieee754-sf.S: Ditto.
9230 2006-01-14 Ian Lance Taylor <ian@airs.com>
9232 * ifcvt.c (noce_init_if_info): New static function, broken out of
9233 noce_process_if_block.
9234 (noce_process_if_block): Call noce_init_if_info.
9235 (check_cond_move_block): New static function.
9236 (cond_move_process_if_block): New static function.
9237 (process_if_block): Call cond_move_process_if_block.
9239 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9241 * cselib.c (hash_table): Rename to cselib_hash_table.
9242 (cselib_clear_table, discard_useless_values,
9243 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9244 cselib_init, cselib_finish): Adjust uses of hash_table.
9246 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9248 PR tree-optimization/25485
9249 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9250 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9251 is known to be false and true, respectively.
9253 2006-01-14 Richard Guenther <rguenther@suse.de>
9255 PR tree-optimization/22548
9256 PR tree-optimization/22555
9257 PR tree-optimization/22501
9258 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9259 * params.def (salias-max-array-elements): New parameter.
9260 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9261 * doc/invoke.texi (salias-max-array-elements): Document.
9262 * tree-flow-inline.h (var_can_have_subvars): We also handle
9264 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9266 * tree-ssa-structalias.c (params.h): Include.
9267 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9268 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9269 (get_constraint_for): For ADDR_EXPR operating on something
9270 containing an ARRAY_REF, add all subvars to the solution.
9271 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9272 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9273 for creating MUST_DEFs.
9274 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9276 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9278 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9280 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9281 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9282 number_of_iterations_le): New functions.
9283 (number_of_iterations_special): Removed.
9284 (number_of_iterations_exit): Do not use number_of_iterations_special.
9285 * tree.c (unsigned_type_for): Always return integer type.
9287 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9288 Richard Guenther <rguenther@suse.de>
9290 PR rtl-optimization/24257
9291 * gcse.c (find_moveable_store): Only consider a store movable
9292 when the SET_SRC of the insn can be assigned to a register.
9294 2006-01-14 Ian Lance Taylor <ian@airs.com>
9296 * tree.c (tree_not_class_check_failed): New function.
9297 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9298 (tree_not_class_check_failed): Declare.
9300 2006-01-13 Ian Lance Taylor <ian@airs.com>
9302 * reload1.c (do_output_reload): Add assertion rejecting a
9305 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9307 * combine.c (struct reg_stat): Add new fields truncation_label and
9309 (record_value_for_reg): Reset truncated_to_mode.
9310 (record_truncated_value): New function.
9311 (check_promoted_subreg): Call it. Rename to check_conversions.
9312 (combine_instructions): Rename check_promoted_subreg to
9314 (reg_truncated_to_mode): New function.
9315 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9316 (gen_lowpart_or_truncate): New function.
9317 (force_to_mode): Use it instead of gen_lowpart.
9319 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9321 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9322 VAR is a tag, not its type tag.
9324 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9326 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9327 alternatives to match style of other entries.
9328 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9330 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9332 PR tree-optimization/25771
9333 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9336 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9339 * tree-inline.c (declare_return_variable): If the return variable
9340 was marked as a non gimple complex, set the return slot variable
9341 to be a non gimple comple variable.
9343 2006-01-13 Richard Guenther <rguenther@suse.de>
9345 * builtins.c (expand_builtin_sincos): New function.
9346 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9348 (expand_builtin): Expand sincos using expand_builtin_sincos.
9350 2006-01-12 DJ Delorie <dj@redhat.com>
9352 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9353 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9354 so that constant shifts can be split.
9355 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9356 (m32c_valid_pointer_mode): Make static.
9357 (shift_gen_func_for): New.
9358 (m32c_prepare_shift): Use it. Split large const shifts into
9360 * config/m32c/predicates.md (shiftcount_operand): Allow more
9362 (longshiftcount_operand): New.
9363 * doc/md.texi (Machine Constraints): Document In6.
9365 2006-01-13 Ben Elliston <bje@au.ibm.com>
9367 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9368 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9371 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9373 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9374 to try to avoid clobbering pieces of structures when we know
9375 something about the whole structure.
9376 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9378 2006-01-13 Ben Elliston <bje@au.ibm.com>
9380 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9381 return in memory, as this is no limitation is no longer present.
9383 2006-01-12 DJ Delorie <dj@redhat.com>
9385 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9386 mova with fb, and for fb+0 -> An.
9388 * config/m32c/mov.md (peephole2): Fix enabling logic.
9390 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9391 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9392 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9393 FINI_ARRAY_SECTION_ASM_OP): Define.
9395 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9397 (m32c_legitimize_reload_address): New logic to reload FB to An.
9398 (m32c_output_reg_push): Add newline.
9399 (m32c_output_reg_pop): Likewise.
9401 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9403 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9405 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9407 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9409 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9411 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9414 2006-01-11 Ben Elliston <bje@au.ibm.com>
9416 * rtlanal.c (find_reg_note): Assert insn is not null.
9418 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9420 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9423 2006-01-11 Jeff Law <law@redhat.com>
9425 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9427 (mark_threaded_blocks, register_jump_thread): New functions.
9428 (thread_through_all_blocks): Remove unwanted argument. No
9429 longer rely on e->aux to communicate thread target info.
9430 Call mark_threaded_blocks. Release the threaded_blocks
9431 bitmap and threaded_edges vector when complete.
9432 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9433 (threaded_blocks): Remove.
9434 (tree_ssa_dominator_optimize): Remove initialization and
9435 finalization of threaded_blocks. Simplify call to
9436 thread_through_all_blocks.
9437 (thread_across_edge): Call register_jump_thread rather than
9438 storing thread information into e->aux.
9439 (free_all_edge_infos): Simplify now that e->aux is no longer
9440 used to communicate with thread_through_all_blocks.
9441 * tree-flow.h (thread_through_all_blocks): Update prototype.
9442 (register_jump_thread): Prototype.
9444 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9446 * df-core.c (df_compact_blocks, df_bb_replace): Use
9447 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9449 2006-01-11 Richard Guenther <rguenther@suse.de>
9451 PR tree-optimization/25734
9452 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9453 stop propagation after successful propagation to the LHS.
9455 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9457 * basic-block.h (control_flow_graph): Change the type of
9458 x_basic_block_info to VEC(basic_block,gc) *.
9459 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9461 (SET_BASIC_BLOCK): New.
9462 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9463 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9464 * cfgbuild.c (find_basic_blocks): Likewise.
9465 * cfglayout.c (fixup_reorder_chain): Likewise.
9466 * cfgrtl.c (create_basic_block_structure,
9467 rtl_create_basic_block): Likewise.
9468 * ifcvt.c (find_if_case_1): Likewise.
9469 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9472 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9474 * Makefile.in: Removed rotted odf.c entry.
9476 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9479 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9480 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9481 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9482 output pattern modifier, not %e.
9483 * config/cris/cris.c (cris_op_str): Update comment about pattern
9485 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9486 before falling through into...
9487 <case 'E'>: Redefined from old 'e' case.
9489 2006-01-11 Jan Hubicka <jh@suse.cz>
9492 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9494 2006-01-11 Jan Hubicka <jh@suse.cz>
9496 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9497 * i386.c (x86_decompose_lea): Kill.
9498 (ix86_rtx_costs): Kill.
9500 2006-01-11 Jan Hubicka <jh@suse.cz>
9502 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9503 * cgraph.h (cgraph_node): Add inline_decl.
9504 (cgraph_insert_node_to_hashtable): Declare.
9505 (save_inline_function_body): Declare.
9506 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9508 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9509 (cgraph_function_versioning): Update call of tree_function_versioning.
9510 (save_inline_function_body): New function.
9511 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9512 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9513 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9514 (cgraph_default_inline_p): Likewise.
9515 (cgraph_decide_inlining_incrementally): Likewise.
9516 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9517 (copy_bb): Kill saving; do updating of clones.
9518 (copy_cfg_body): Kill saving.
9519 (initialize_inlined-parameters): Likewise.
9520 (expand_call_inline): Likewise.
9522 (tree_function_versioning): New parameter "update_clones".
9523 (inlining_p): Kill saving.
9524 * tree-inline.h (tree_function_versioning): Update prototype.
9525 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9528 2006-01-11 Ian Lance Taylor <ian@airs.com>
9530 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9531 Allow undoing set of machine mode.
9532 (do_SUBST): Use enums instead of is_int.
9533 (do_SUBST_MODE): New function.
9534 (SUBST_MODE): New macro.
9535 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9536 reg and trying to replace reg_regno_rtx with a new register.
9537 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9538 (simplify_set): Use SUBST_MODE.
9539 (distribute_notes): Remove code that tried to update reg notes
9540 for regno_reg_rtx changes.
9542 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9544 PR tree-optimization/23109
9545 PR tree-optimization/23948
9546 PR tree-optimization/24123
9548 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9549 * tree-cfg.c (single_noncomplex_succ): New.
9550 * tree-flow.h (single_noncomplex_succ): Declare it.
9551 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9552 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9553 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9554 insert_bb, register_division_in, insert_reciprocals,
9555 replace_reciprocal, free_bb): New.
9556 (execute_cse_reciprocals_1): Rewritten.
9557 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9558 Do not commit any edge insertion. Always compute dominators and
9559 create the allocation pool.
9560 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9561 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9562 * targhooks.c (default_min_divistions_for_recip_mul): New.
9563 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9564 * passes.c (init_optimization_passes): Run recip after tree loop
9566 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9568 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9569 Kenneth Zadeck <zadeck@naturalbridge.com>
9571 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9572 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9573 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9574 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9575 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9576 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9577 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9578 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9579 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9580 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9581 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9582 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9583 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9584 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9585 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9586 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9587 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9588 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9589 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9590 DF_SCAN_POST_ALLOC): New macros.
9591 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9592 df_free_bb_function, df_local_compute_function, df_init_function,
9593 df_dataflow_function, df_confluence_function_0,
9594 df_confluence_function_n, df_transfer_function,
9595 df_finalizer_function, df_free_function, df_dump_problem_function,
9596 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9597 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9598 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9599 df_urec_bb_info, ) New types.
9600 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9602 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9603 df_analyze_simple_change_some_blocks,
9604 df_analyze_simple_change_one_block, df_compact_blocks,
9605 df_bb_replace, df_bb_regno_last_use_find,
9606 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9607 df_insn_regno_def_p, df_find_def, df_find_use,
9608 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9609 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9610 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9611 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9612 debug_df_chain, df_get_dependent_problem, df_chain_create,
9613 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9614 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9615 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9616 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9617 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9618 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9619 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9620 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9621 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9622 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9623 df_reorganize_refs, df_set_state, df_hard_reg_init,
9624 df_read_modify_subreg_p) New public functions.
9625 * df-core.c: The core dataflow solver and glue routines for rtl
9627 (df_init, df_add_problem, df_set_blocks, df_finish,
9628 df_hybrid_search_forward, df_hybrid_search_backward,
9629 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9630 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9631 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9632 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9633 df_reg_defined, df_find_use, df_reg_used, df_dump,
9634 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9635 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9636 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9637 debug_df_useno, reset_df_after_reload): New functions.
9638 * df-scan.c: The scanning fuctions, once in df.c, completely
9639 rewritten so that they now fully model the functionality of
9640 register usage at the backend.
9641 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9642 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9643 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9644 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9645 df_get_artificial_defs, df_get_artificial_uses,
9646 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9647 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9648 df_refs_delete, df_reorganize_refs, df_set_state,
9649 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9650 df_def_record_1, df_defs_record, df_uses_record,
9651 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9652 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9653 df_record_exit_block_uses, df_hard_reg_init): New functions.
9655 * df-problems.c: Seven concrete dataflow problems that use the
9656 scanning in df-scan.c and are solved by the engine in df-core.c.
9657 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9658 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9659 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9660 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9661 df_ru_free_bb_info, df_ru_alloc,
9662 df_ru_bb_local_compute_process_def,
9663 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9664 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9665 df_ru_transfer_function, df_ru_free, df_ru_dump,
9666 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9667 df_rd_free_bb_info, df_rd_alloc,
9668 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9669 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9670 df_rd_transfer_function, df_rd_free, df_rd_dump,
9671 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9672 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9673 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9674 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9675 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9676 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9677 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9678 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9679 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9680 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9681 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9682 df_urec_mark_reg_use_for_earlyclobber,
9683 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9684 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9685 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9686 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9687 df_chain_create_bb_process_use, df_chain_create_bb,
9688 df_chain_finalize, df_chain_free, df_chains_dump,
9689 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9690 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9691 df_reg_lifetime): New functions.
9692 * df.c: Deleted file.
9693 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9694 consistent with new df api.
9695 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9696 rest_of_handle_sms): Ditto.
9697 * web.c (unionfind_union, union_defs, entry_register, web_main):
9699 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9700 invariant_expr_equal_p, find_defs, check_dependencies,
9701 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9702 free_inv_motion_data, move_loop_invariants): Ditto.
9703 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9704 Update dependencies.
9705 (odf.c): Added defective entry that was deleted later in day.
9706 * sched-deps.c (sched_analyze_1): Ditto.
9708 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9710 * tree-ssa-operands.c (get_expr_operands): Record addressable
9711 variables directly. Do not call add_stmt_operands for CONST_DECLs
9713 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9714 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9716 2006-01-11 Ben Elliston <bje@au.ibm.com>
9718 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9719 function returns true in the positive case.
9721 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9724 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9725 for SI, DI, SF and DF modes. Add alternatives to copy between
9726 general and floating point registers to the 32-bit patterns.
9727 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9728 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9729 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9730 generating 64-bit code.
9731 * config/pa/pa.c (output_move_double): Handle copies between general
9732 and floating registers.
9734 2006-01-10 Stuart Hastings <stuart@apple.com>
9736 * config/i386/i386.md (set_got): Update.
9737 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9738 (builtin_setjmp_receiver): Mach-O support.
9739 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9740 (GOT_SYMBOL_NAME): Define.
9741 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9742 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9743 * config/i386/i386.c (override_options): Revise for Darwin.
9744 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9745 support. (darwin_x86_file_end): New. (output_set_got): Add label
9746 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9747 * config/i386/i386-protos.h (output_set_got): Likewise.
9748 * config/darwin.c (machopic_legitimize_pic_address): Update
9751 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9753 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9754 when MODE isn't BLKmode.
9756 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9758 PR rtl-optimization/25367
9759 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9761 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9764 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9765 for a negative bound.
9767 2006-01-10 Richard Guenther <rguenther@suse.de>
9769 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9770 Never override with anything constraint.
9772 2006-01-10 Jan Beulich <jbeulich@novell.com>
9774 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9775 256 bits when optimize_size.
9777 2006-01-10 Jan Beulich <jbeulich@novell.com>
9779 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9781 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9782 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9785 2006-01-10 Ben Elliston <bje@au.ibm.com>
9787 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9789 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9790 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9791 (USE_FP_FOR_ARG): Reject decimal float modes.
9792 (function_arg_advance): Likewise.
9793 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9794 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9795 point types in AltiVec vectors.
9796 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9797 (rs6000_libcall_value): Likewise.
9799 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9801 * config/xtensa/ieee754-df.S: New file.
9802 * config/xtensa/ieee754-sf.S: New file.
9803 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9804 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9805 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9807 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9809 * config/sh/predicates.md (binary_float_operator,
9810 binary_logical_operator, commutative_float_operator,
9811 equality_comparison_operator, greater_comparison_operator,
9812 less_comparison_operator, logical_operator,
9813 noncommutative_float_operator, shift_operator,
9814 symbol_ref_operand, unary_float_operator): Remove redundant
9817 2006-01-09 Jeff Law <law@redhat.com>
9819 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9820 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9821 now unused arguments. Callers updated.
9822 (eliminate_redundant_computations): Remove now unused arguments,
9824 (local_fold): Remove, no longer used.
9825 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9827 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9828 (simplify_cond): New function.
9829 (forward_propagate_into_cond): Call simplify_cond.
9831 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9833 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9834 (*vec_extractv2di_1_sse): New.
9836 2006-01-09 Ben Elliston <bje@au.ibm.com>
9838 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9840 2006-01-08 Richard Guenther <rguenther@suse.de>
9842 * tree-ssa-structalias.c (get_constraint_for): Remove
9844 (get_constraint_for_component_ref): Likewise.
9845 (do_deref): Likewise.
9846 (get_constraint_for): Likewise.
9847 (do_structure_copy): Likewise.
9848 (handle_ptr_arith): Likewise.
9849 (find_func_aliases): Likewise. Remove unused need_anyoffset
9852 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9853 Kaz Kojima <kkojima@gcc.gnu.org>
9855 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9856 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9857 (EXTRA_CONSTRAINT_C16): Remove.
9858 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9859 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9860 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9861 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9862 constants of SHmedia. Handle nested constant expressions of
9864 (andcosts): Fix the costs for SHmedia constants.
9865 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9866 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9867 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9868 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9869 (movv4hi_i, movv2si_i): Likewise.
9870 (movsi_const): Adjust the second operand of ior so to match with
9872 (movdi_const, movdi_const_32bit): Likewise.
9873 (movdi_const_16bit+1): Don't sign-extend LOW.
9874 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9876 (*double_shori): Fix the split condition. Use GEN_INT instead
9877 of get_int_mode calls. Mask lower 16-bit of the argument of
9879 (sym2GOTPLT): Remove.
9880 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9882 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9883 instead of EXTRA_CONSTRAINT_C16.
9885 2006-01-07 Ian Lance Taylor <ian@airs.com>
9886 David Edelsohn <edelsohn@gnu.org>
9888 PR rtl-optimization/25662
9889 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9890 for constant operands instead of simplify_gen_binary.
9891 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9892 after trying simplify_binary_operation
9894 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9896 * tree.c (iterative_hash_expr): Hash decls based on UID.
9898 2006-01-06 Eric Christopher <echristo@apple.com>
9900 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9901 (TARGET_UNWIND_EMIT): Fix spelling.
9902 * target.h (gcc_target): Add except_table_label.
9903 * except.c (output_function_exception_table): Use.
9904 * varasm.c (default_emit_except_table_label): New.
9905 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9907 (asm_out): Add here.
9908 * output.h (default_emit_except_table_label): Prototype.
9909 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9910 * config/darwin.c (darwin_emit_except_table_label): Define.
9911 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9913 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9915 PR tree-optimization/18527
9916 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9917 number_of_iterations_special, number_of_iterations_exit):
9918 Move base and step of an iv to a single structure. Add
9919 no_overflow flag, and use it in # of iterations analysis.
9920 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9921 folded_casts argument.
9922 (simple_iv): Pass base and step in a structure. Set no_overflow
9924 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9925 Evaluate expensiveness of computing # of iterations instead of
9926 the final expression.
9927 * tree-scalar-evolution.h (affine_iv): New structure.
9928 (simple_iv): Declaration changed.
9929 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9930 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9931 find_givs_in_stmt): Changed due to simple_iv change.
9933 2006-01-06 Jeff Law <law@redhat.com>
9936 * tree-cfg.c (bsi_replace): Rename final argument from
9937 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9938 change (stmt -> orig_stmt).
9939 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9940 (bsi_remove): Add new argument. Remove EH information
9942 (verify_eh_throw_table_statements): New function.
9943 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9945 * tree-optimize.c (execute_free_cfg_annotations): Verify
9946 the EH throw statement table after removing annotations.
9947 * except.h (verify_eh_throw_table_statements): Prototype.
9948 * tree-flow.h (bsi_remove): Update prototype.
9949 * tree-vrp.c (remove_range_assertions): Add new argument to
9951 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9952 * tree-complex.c (expand_complex_div_wide): Likewise.
9953 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9954 * tree-tailcall.c (eliminate_tailcall): Likewise.
9955 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9956 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9957 * tree-nrv.c (tree_nrv): Likewise.
9958 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9959 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9960 (combine_blocks): Likewise.
9961 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9962 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9963 (cleanup_control_flow): Likewise.
9964 (remove_forwarder_block): Likewise.
9965 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9966 * tree-sra.c (sra_replace): Likewise.
9967 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9968 (forward_propagate_single_use_vars): Likewise.
9969 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9970 * tree-inline.c (expand_call_inline): Likewise.
9971 * tree-vect-transform.c (vect_transform_loop): Likewise.
9972 * tree-outof-ssa.c (rewrite_trees): Likewise.
9973 * tree-cfg.c (make_goto_expr_edges): Likewise.
9974 (cleanup_dead_labels): Likewise.
9975 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9976 (bsi_move_before, bsi_move_after): Likewise.
9977 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9978 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9980 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9983 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9985 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9986 on non gimple variables. Also add checks at the top for decls and
9988 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9990 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9991 and IMAGPART_EXPR for creating MUST_DEFs.
9992 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9993 and NAME_MEMORY_TAG separately from the DECLs.
9995 2006-01-06 Richard Guenther <rguenther@suse.de>
9997 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9998 annotation, if necessary.
9999 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10000 redundant calls to update_stmt.
10001 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10004 2006-01-05 Richard Henderson <rth@redhat.com>
10006 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10008 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10010 * c-typeck.c: Update copyright date.
10012 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10014 * c-typeck.c (build_c_cast): Always warn when casting
10015 from a pointer to an integer of different size, even if
10016 the node was constant.
10018 2006-01-05 Richard Guenther <rguenther@suse.de>
10020 PR tree-optimization/22555
10021 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10022 if one structure field is an array.
10023 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10024 operands even if we found a subvar, but ignore VOPs in this
10026 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10028 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10030 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10032 PR middle-end/24998
10033 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10035 2006-01-05 Richard Guenther <rguenther@suse.de>
10036 Diego Novillo <dnovillo@redhat.com>
10038 * tree-pass.h (TODO_remove_unused_locals): Define.
10039 * gimple-low.c (expand_var_p, remove_useless_vars,
10040 pass_remove_useless_vars): Remove. Update all users.
10041 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10042 (remove_unused_locals): New function.
10043 * tree-flow.h (remove_unused_locals): Declare.
10044 * passes.c (execute_todo): Call remove_unused_locals if
10045 TODO_remove_unused_locals is set.
10046 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10047 * tree-ssa-dce.c (pass_dce): Likewise.
10048 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10050 2006-01-05 Richard Guenther <rguenther@suse.de>
10052 * tree-flow.h (struct fieldoff): Decompose field to
10053 type, size and decl.
10054 * tree-ssa-alias.c (create_sft): Take type as parameter.
10055 (create_overlap_variables_for): Store type, size and decl
10056 in the fieldoff structure.
10057 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10058 of struct fieldoff.
10059 (push_fields_onto_fieldstack): Likewise.
10060 (create_variable_info_for): Likewise. Use offset for the
10061 SFT name if the decl is not available.
10063 2006-01-04 Paul Brook <paul@codesourcery.com>
10065 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10067 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10069 * lambda-code.c (can_put_in_inner_loop): Relax
10071 (can_put_after_inner_loop): New function.
10072 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10073 (perfect_nestify): Change to make copies and modify uses.
10075 2006-01-04 Richard Henderson <rth@redhat.com>
10077 Merge from gomp branch:
10078 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10079 via integer constant.
10080 (pragma_lex): Remove.
10081 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10082 rather than parsing it.
10083 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10084 handle_pragma_extern_prefix): Add %< %> quotes.
10085 (registered_pragmas): New.
10086 (c_register_pragma_1): New.
10087 (c_register_pragma): Use it.
10088 (c_register_pragma_with_expansion): Likewise.
10089 (c_invoke_pragma_handler): New.
10090 (init_pragma): Use cpp_register_deferred_pragma directly for
10092 * c-pragma.h (enum pragma_kind): New.
10093 (pragma_handler): New.
10094 (c_invoke_pragma_handler): Declare.
10095 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10097 * c-common.h (c_common_pch_pragma): Update decl.
10098 * Makefile.in (c-parser.o): Update dependencies.
10099 (GTFILES): Add c-pragma.h.
10100 * c-parser.c (struct c_token): Add pragma_kind.
10101 (struct c_parser): Add in_pragma.
10102 (c_lex_one_token): Always initialize keyword and pragma_kind.
10103 Extract data for CPP_PRAGMA.
10104 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10105 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10106 Don't allow CPP_PRAGMA_EOL if in_pragma.
10107 (c_parser_consume_pragma): New.
10108 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10109 (c_parser_skip_to_end_of_parameter): Likewise.
10110 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10111 (c_parser_skip_to_pragma_eol): New.
10112 (c_parser_external_declaration): Handle CPP_PRAGMA.
10113 (c_parser_compound_statement_nostart): Likewise.
10114 (c_parser_statement_after_labels): Likewise.
10115 (c_parser_pragma): New.
10116 (pragma_lex): Likewise.
10117 (c_parser_pragma_pch_preprocess): New.
10118 (c_parser_new): Merge into ...
10119 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10121 2006-01-04 Jeff Law <law@redhat.com>
10124 * tree-cfg.c (bsi_replace): Remove the original statement
10125 from the EH throw statement table.
10127 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10129 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10130 make the prototype extern "C" and add throw ().
10133 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10134 and pos non-negative and pos + len <= 32.
10135 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10136 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10137 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10140 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10141 as well as sizes not multiple of component size.
10144 * function.c (instantiate_expr): New function.
10145 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10146 walk its DECL_VALUE_EXPR with instantiate_expr.
10148 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10149 DW_OP_deref{,_size} if address isn't going to be added.
10151 2006-01-04 Ben Elliston <bje@au.ibm.com>
10153 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10154 * config/fp-bit.c: Likewise.
10156 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10158 * dominance.c: Add comment about why we use DFS numbering
10161 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10162 Richard Henderson <rth@redhat.com>
10164 Merge from gomp-branch:
10165 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10166 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10168 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10170 PR rtl-optimization/25578
10171 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10172 pass a parameter to simplify_shift_const if changing ASHIFTRT
10175 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10177 * builtins.c (get_builtin_sync_mem): New function.
10178 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10179 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10180 Call get_builtin_sync_mem to generate mem rtx.
10182 2006-01-03 Richard Guenther <rguenther@suse.de>
10185 * stmt.c (add_case_node): Make sure to clear overflow flags
10188 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10190 Merge from gomp-branch.
10191 * config/sparc/sync.md: New file.
10192 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10193 UNSPECV_LDSTUB): New constants.
10194 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10195 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10196 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10199 2006-01-03 Roger Sayle <roger@eyesopen.com>
10201 * combine.c (reg_subword_p): New predicate to test whether the
10202 destination of a set refers to a subword/piece of a register.
10203 (try_combine): Generalize the code to merge the setting of a
10204 pseudo to a constant followed by a set of a subword of that
10205 register to a constant.
10207 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10209 * basic-block.h (control_flow_graph): Change the type of
10210 x_label_to_block_map to VEC(basic_block,gc) *.
10211 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10212 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10214 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10215 VEC(basic_block,heap) *.
10216 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10217 ssa_prop_fini): Adjust the uses of cfg_blocks.
10219 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10221 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10223 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10224 hashing trees instead of a pointer hash.
10225 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10226 compare for MEM_EXPR.
10228 PR rtl-optimization/25130
10229 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10230 when comparing MEMs for GCSE
10232 2006-01-03 Ben Elliston <bje@au.ibm.com>
10234 * targhooks.h (default_decimal_float_supported_p): Declare.
10235 * targhooks.c (default_decimal_float_supported_p): Define.
10236 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10237 `default_decimal_float_supported_p'.
10238 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10240 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10242 * combine.c (apply_distributive_law <SUBREG>): Check
10243 TRULY_NOOP_TRUNCATION.
10245 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10247 * dwarf2out.c (have_switched_text_section): Delete.
10248 (have_multiple_function_sections): New.
10249 (have_location_lists): Make 'bool'.
10250 (add_AT_loc_list): Use 'true' not '1'.
10251 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10252 (output_loc_list): Use have_multiple_function_sections.
10253 (output_ranges): Likewise.
10254 (dwarf2out_begin_function): Set have_multiple_function_sections if
10256 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10257 Check function_section rather than DECL_SECTION_NAME.
10258 (dwarf2out_finish): Use have_multiple_function_sections.
10259 Don't clear have_location_lists.
10261 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10262 Jan Hubicka <jh@suse.cz>
10264 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10265 case of conditional jump jumping to the next instruction.
10266 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10267 cases of conditional jump jumping to the next instruction.
10269 2006-01-02 Jan Hubicka <jh@suse.cz>
10271 * i386.c (*_cost): Add COSTS_N_INSNS.
10272 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10274 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10277 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10279 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10281 * config/arm/arm.c (all_fpus): Fix comment typo.
10282 * config/darwin.c: Likewise.
10283 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10284 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10285 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10287 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10289 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10290 (rs6000_split_compare_and_swapqhi): New.
10291 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10292 (sync_compare_and_swapqhi_internal): New.
10293 * config/rs6000/rs6000-protos.h: Declare.