1 2006-04-27 Eric Christopher <echristo@apple.com>
3 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5 * config/darwin-c.c (darwin_ms_struct): New.
6 (darwin_pragma_ms_struct): Ditto.
7 (darwin_set_default_type_attributes): Ditto.
8 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10 Register ms_struct pragma.
11 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
12 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
14 darwin_set_default_type_attributes if TARGET_MACHO.
16 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
18 PR tree-optimization/26854
19 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
20 * doc/tree-ssa.texi: Update immuse iterator documentation.
21 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
22 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
23 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
24 first_safe_imm_use, next_safe_imm_use): Remove.
25 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
26 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
27 (move_use_after_head): New. Helper function to sort immuses in a stmt.
28 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
29 (first_imm_use_stmt): New. Get first stmt in an immuse list.
30 (next_imm_use_stmt): New. Get next stmt in an immuse list.
31 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
32 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
33 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
34 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
35 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
36 (perfect_nestify): Use new iterator.
37 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
39 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
40 (next_imm_name): New field in struct immediate_use_iterator_d.
41 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
42 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
43 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
44 * tree-cfg.c (replace_uses_by): Use new iterator.
45 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
46 * tree-ssa-operands.c (correct_use_link): Remove.
47 (finalize_ssa_use_ops): No longer call correct_use_link.
49 2006-04-27 Stuart Hastings <stuart@apple.com>
51 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
52 * config/t-darwin (crt3.o): Use it.
53 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
54 'pmode', use Pmode instead of SImode for SYMBOL_REF.
55 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
56 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
57 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
60 2006-04-27 Roger Sayle <roger@eyesopen.com>
62 * expmed.c (store_fixed_bit_field): If we're not optimizing for
63 size, force the intermediate into a new pseudo rather instead of
64 performing both a bitwise AND and a bitwise IOR in memory.
66 2006-04-27 Richard Guenther <rguenther@suse.de>
68 PR rtl-optimization/26685
69 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
70 this one "max-flow-memory-locations".
72 2006-04-27 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/25148
75 * tree-vrp.c (compare_values): Remove code dealing with
76 comparisons against type min/max value. Honour overflow
77 and negative constants in code dealing with comparisons
78 of plus and minus expressions.
79 (value_inside_range): Use fold_binary with LE_EXPR and
80 GE_EXPR rather than compare_values.
82 2006-04-27 Dirk Mueller <dmueller@suse.de>
84 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
87 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
89 * basic-block.h (safe_insert_insn_on_edge): Removed.
90 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
93 2006-04-26 David Edelsohn <edelsohn@gnu.org>
94 Paolo Bonzini <bonzini@gnu.org>
97 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
98 (simplify_and_const_int): Same.
100 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
102 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
104 2006-04-26 Jakub Jelinek <jakub@redhat.com>
107 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
108 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
109 cgraph_global_info_ready.
112 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
115 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
116 either decl or init is error_mark_node.
119 * tree-flow.h (struct omp_region): Add sched_kind.
120 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
121 instead of extracting omp for data.
122 (expand_omp_for): Save extracted sched_kind.
124 2006-04-25 Roger Sayle <roger@eyesopen.com>
126 * expmed.c (store_bit_field): Also check whether the bitsize is
127 valid for the machine's "insv" instruction before moving the
128 target into a pseudo for use with the insv.
129 * config/i386/predicates.md (const8_operand): New predicate.
130 * config/i386/i386.md (extv, extzv, insv): Use the new
131 const8_operand predicate where appropriate.
133 2006-04-25 DJ Delorie <dj@redhat.com>
135 * doc/install.texi (Specific): Clarify that this is not a list of
136 supported hosts or targets.
138 2006-04-25 Richard Sandiford <richard@codesourcery.com>
140 PR rtl-optimization/26725
141 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
142 block's BB_DIRTY flag.
144 2006-04-25 Geoffrey Keating <geoffk@apple.com>
146 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
149 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
152 2006-04-25 David Edelsohn <edelsohn@gnu.org>
154 * varasm.c (align_variable): New function.
155 (get_block_for_decl): Apply align_variable to DECL before
156 calculating section information.
157 (assemble_variable): Split out alignment computation.
159 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
161 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
164 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
166 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
167 MODE_PARTIAL_INT mode.
168 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
169 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
171 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
172 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
174 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
176 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
178 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
179 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
180 MACFLAG_IH): Likewise.
181 (movstricthi_1): Renamed from "*movstricthi".
182 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
183 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
184 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
185 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
186 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
187 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
188 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
189 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
190 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
191 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
192 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
193 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
194 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
195 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
196 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
198 * doc/rtl.texi (ss_ashift): Improve wording.
200 2006-04-24 Geoffrey Keating <geoffk@apple.com>
202 * dwarf2out.c (verify_marks_clear): New.
203 (prune_unused_types): Call verify_marks_clear initially, not
206 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
208 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
209 * doc/rtl.texi: Document them.
210 * simplify-rtx.c (simplify_unary_operation,
211 simplify_binary_operation_1): Don't abort when we see them.
213 2006-04-24 Mark Mitchell <mark@codesourcery.com>
216 2006-04-23 Mark Mitchell <mark@codesourcery.com>
217 * configure.ac: Completely disregard languages that are not
219 * configure: Regenerated.
221 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
222 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/27236
225 * tree-inline.c (copy_body_r): Make sure to copy
226 TREE_THIS_VOLATILE flag.
228 2006-04-24 Richard Guenther <rguenther@suse.de>
231 * tree-complex.c (update_parameter_components): Don't handle
232 unused parameters which have no default def.
234 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
235 Richard Guenther <rguenther@suse.de>
237 PR tree-optimization/27218
238 * tree-inline.c (expand_call_inline): Strip useless type
239 conversions for the return slot address.
241 2006-04-24 Richard Guenther <rguenther@suse.de>
243 * cfgloop.h (struct loops): Remove unused field array. Reorder
245 (LOOP_PREFETCH): Remove.
247 2006-04-24 Richard Guenther <rguenther@suse.de>
249 PR tree-optimization/22525
250 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
251 variable, adjust types of generated expressions.
253 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
255 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
256 (tree-vect-patterns.o): Likewise.
258 (cselib.o): Likewise.
259 (loop-doloop.o): Likewise.
260 (regclass.o): Likewise.
261 (reload1.o): Likewise.
262 (explow.o): Replace target.h with $(TARGET_H).
263 (ipa-prop.o): Likewise.
264 (ipa-cp.o): Likewise.
265 (ipa-inline.o): Likewise.
267 (reg-stack.o): Likewise.
269 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
271 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
273 2006-04-23 Mark Mitchell <mark@codesourcery.com>
275 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
277 * configure.ac: Completely disregard languages that are not
279 * configure: Regenerated.
282 * c-common.h (c_build_bitfield_integer_type): Declare.
283 * c-decl.c (c_build_bitfield_integer_type): Move to ...
284 * c-common.c (c_build_bitfield_integer_type): ... here.
286 2006-04-23 Roger Sayle <roger@eyesopen.com>
289 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
290 a SImode SUBREG of a floating point register after no_new_pseudos.
292 2006-04-23 Roger Sayle <roger@eyesopen.com>
294 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
295 identify potentially eliminable registers to additionally catch
296 VIRTUAL_INCOMING_ARGS_REGNUM.
297 (addsi3): Update the conditions on when to use addsi_small_int.
299 2006-04-23 Roger Sayle <roger@eyesopen.com>
302 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
303 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
304 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
306 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
308 * fold-const.c (range_predecessor): Use operand_equal_p
309 as the predicate for equality.
310 (range_successor): Likewise.
312 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
315 * config/soft-fp/op-common.h: Fix a typo.
317 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
320 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
321 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
323 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
325 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
327 * doc/tm.texi: Fix a typo.
329 2006-04-21 Geoffrey Keating <geoffk@apple.com>
331 * dwarf2out.c (struct die_struct): Document that die_sib makes
332 a circular linked list.
333 (FOR_EACH_CHILD): New.
334 (reverse_die_lists): Delete.
335 (reverse_all_dies): Delete.
336 (add_dwarf_attr): Correct documentation.
337 (remove_child_with_prev): New.
338 (remove_child_TAG): Update for change to die_struct, use
339 remove_child_with_prev.
340 (add_child_die): Update for change to die_struct.
341 (splice_child_die): Use remove_child_with_prev and add_child_die.
342 (print_die): Use FOR_EACH_CHILD.
343 (die_checksum): Likewise.
344 (assign_symbol_names): Likewise.
345 (output_location_lists): Likewise.
346 (build_abbrev_table): Likewise.
347 (calc_die_sizes): Likewise.
348 (mark_dies): Likewise.
349 (unmark_dies): Likewise.
350 (unmark_all_dies): Likewise.
351 (output_die): Likewise.
352 (prune_unused_types_mark): Likewise.
353 (prune_unused_types_walk): Likewise.
354 (same_die_p): Update for change to die_struct.
355 (break_out_includes): Likewise.
356 (prune_unused_types_prune): Likewise.
357 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
358 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
360 (dwarf2out_finish): Don't call reverse_all_dies.
362 2006-04-21 Eric Christopher <echristo@apple.com>
364 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
365 in comments and function names.
367 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
370 * c-typeck.c (digest_init): Robustify.
372 * c-typeck.c (pop_init_level): Simplify.
374 2006-04-21 Steve Ellcey <sje@cup.hp.com>
376 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
378 2006-04-21 Paul Brook <paul@codesourcery.com>
380 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
381 hardware floating point.
383 2006-04-21 David Edelsohn <edelsohn@gnu.org>
385 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
388 2006-04-21 Nick Clifton <nickc@redhat.com>
390 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
393 2006-04-21 Alan Modra <amodra@bigpond.net.au>
396 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
397 C++ lang type in traceback table for Objective-C++.
399 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
401 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
403 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
405 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
408 * tree-mudflap.c (mudflap_finish_file): Skip function when there
409 were errors. Remove check for erroneous objects.
411 2006-04-20 Jeff Law <law@redhat.com>
413 PR tree-optimization/26854
414 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
415 checking for zero or one use.
416 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
417 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
418 * tree-ssa-reassoc.c (negate_value): Similarly.
419 (reassociate_bb): Similarly.
421 2006-04-20 Jakub Jelinek <jakub@redhat.com>
423 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
424 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
425 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
427 2006-04-20 Alan Modra <amodra@bigpond.net.au>
429 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
430 fp regs if the last fp arg doesn't fit in regs.
432 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
435 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
436 that the last insn has the REG_INC note.
438 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
439 Nathan Sidwell <nathan@codesourcery.com>
442 * stor-layout.c (update_alignment_for_field): Do not align
444 (place_union_field): Place union field at the start of the union.
445 (place_field): Move ERROR_MARK check later, and use the current
446 allocation position to maintain monotonicity.
448 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
450 * dominance.c: Include timevar.h.
451 (calculate_dominance_info): Use TV_DOMINANCE.
452 * timevar.def (TV_DOMINANCE): New timevar.
453 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
455 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
457 PR rtl-optimization/14261
458 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
459 move would be an INSV insn.
460 (noce_process_if_block): Don't optimize if the destination is a
461 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
463 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
465 * config/s390/s390.md: Add comments with the instructions emitted
466 by an insn pattern if macros are used.
468 2006-04-19 Alan Modra <amodra@bigpond.net.au>
470 PR rtl-optimization/26026
471 * fold-const.c (fold_binary): Optimize div and mod where the divisor
472 is a known power of two shifted left a variable amount.
474 2006-04-18 Geoffrey Keating <geoffk@apple.com>
476 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
477 to hash table twice when the debug_str section has SECTION_MERGE.
479 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
481 * config/soft-fp: New directory. From glibc.
482 * config/soft-fp/t-softfp: New.
483 * config/soft-fp/README: New.
484 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
485 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
486 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
487 (LIBGCC_DEPS): Add $(SFP_MACHINE).
488 * config.gcc: Use rs6000/t-fprules-fpbit or
489 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
491 * config/rs6000/sfp-machine.h: New. Based on glibc.
492 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
494 * config/rs6000/t-fprules: Remove fp-bit rules.
495 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
496 * config/rs6000/t-linux64: Likewise. Remove duplicates from
497 LIB2FUNCS_EXTRA. Remove fp-bit rules.
498 (softfp_wrap_start, softfp_wrap_end): New.
500 2006-04-18 DJ Delorie <dj@redhat.com>
502 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
504 2006-04-18 Devang Patel <dpatel@apple.com>
506 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
508 2006-04-18 Nick Clifton <nickc@redhat.com>
510 * config/sh/t-symbian: Add rule to build sh-c.o
511 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
512 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
513 (sh_symbian_encode_section_info): Likewise.
515 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
517 * builtins.c (expand_builtin_strcmp): Cover label definition of
518 do_libcall with HAVE_cmpstrnsi.
520 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
522 * function.c (temp_slots_at_level, max_slot_level): Use VEC
524 * function.h (temp_slot_p): New.
525 (function): Change the type of x_used_temp_slots to
526 VEC(temp_slot_p,gc) *.
528 2006-04-18 Nick Clifton <nickc@redhat.com>
530 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
531 flag_strength_reduce.
533 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
535 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
539 Partial revert of revision 112637
540 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
541 Dale Johannesen <dalej@apple.com>
544 * regclass.c (struct reg_pref): Update documentation.
545 (regclass): Set prefclass to NO_REGS if memory is the best option.
546 (record_reg_classes): Cope with a prefclass set to NO_REGS.
548 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
550 PR tree-optimization/26821
551 * tree-ssa-math-opts.c (get_constant_one): New.
552 (insert_reciprocals): Use it.
554 2006-04-17 Geoffrey Keating <geoffk@apple.com>
556 * dwarf2out.c (free_AT): Delete.
557 (remove_AT): Update string ref counts.
558 (remove_child_TAG): Don't call free_die.
560 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
562 (prune_unused_types_walk_attribs): Reset string refcounts.
563 (prune_unused_types_update_strings): New.
564 (prune_unused_types_prune): Don't make unnecessary stores. Don't
565 call free_die. Do call prune_unused_types_update_strings.
566 (prune_unused_types): Empty debug_str_hash.
568 2006-04-17 Roger Sayle <roger@eyesopen.com>
570 * expr.c (expand_assignment): Optimize away no-op moves where the
571 source and destination are equal and have no side-effects.
573 2006-04-17 Richard Guenther <rguenther@suse.de>
576 * reload.c (push_reload): Guard calls to get_secondary_mem
579 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
581 * alias.c (reg_base_value, old_reg_base_value): Change the
582 type to VEC(rtx,gc) *.
583 (REG_BASE_VALUE, find_base_value, record_set,
584 init_alias_analysis): Use VEC instead of VARRAY.
586 * alias.c (alias_sets): Change the type to
587 VEC(alias_set_entry,gc) *.
588 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
589 VEC instead of VARRAY.
590 (last_alias_set): Remove.
592 * cgraph.h (cgraph_edge_p): New.
593 Update the prototype of cgraph_function_versioning.
594 * cgraphunit.c (cgraph_copy_node_for_versioning,
595 cgraph_function_versioning): Use VEC instead of VARRAY.
596 * ipa-cp.c (ipcp_insert_stage): Likewise.
598 2006-04-16 Roger Sayle <roger@eyesopen.com>
601 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
602 "A op B" or "A op C", we may need to convert A to the type of B and C.
604 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
606 * target.h (struct gcc_target): Add mode_rep_extended.
607 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
608 (init_num_sign_bit_copies_in_rep): Initialize it using
610 (truncate_to_mode): Use it.
611 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
612 * targhooks.h (default_mode_rep_extended): Declare it.
613 * targhooks.c (default_mode_rep_extended): Define it.
614 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
615 default_mode_rep_extended.
616 (TARGET_INITIALIZER): Include it.
617 * doc/tm.texi (Misc): Document it.
618 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
619 (mips_truncated_to_mode): New function.
621 2006-04-16 Roger Sayle <roger@eyesopen.com>
624 * expr.c (compress_float_constant): Copy the narrow constant into
625 a new pseudo before extending it to its final width.
627 2006-04-16 Roger Sayle <roger@eyesopen.com>
628 Andrew Pinski <pinskia@gcc.gnu.org>
629 Dale Johannesen <dalej@apple.com>
632 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
633 special case code to implement V8HImode and V16QImode with SSE2.
635 2006-04-15 Roger Sayle <roger@eyesopen.com>
637 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
638 trees are constructed with a suitable tree type.
640 2006-04-15 Roger Sayle <roger@eyesopen.com>
642 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
643 (integer_onep): Likewise.
644 (integer_all_onesp): Likewise.
645 (integer_pow2p): Likewise.
646 (integer_nonzerop): Likewise.
647 (real_zerop): Likewise.
648 (real_onep): Likewise.
649 (real_twop): Likewise.
650 (real_minus_onep): Likewise.
651 (int_size_in_bytes): Likewise.
652 (host_integerp): Likewise.
654 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
656 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
657 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
658 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
660 * tree-ssa-structalias.h (alias_info): Remove num_references.
662 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
664 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
665 (output_bvb patterns): Likewise.
666 * pa.c (output_bb): Use 'bb' insn for long branch case.
667 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
668 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
669 1. Correct length operand for alternatives 1 and 2.
670 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
671 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
673 2006-04-14 Roger Sayle <roger@eyesopen.com>
675 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
676 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
677 were accidentally reverted by r112959.
679 2006-04-15 Jakub Jelinek <jakub@redhat.com>
682 * except.h (eh_region_outermost): New prototype.
683 * except.c (eh_region_outermost): New function.
684 * tree-cfg.c (find_outermost_region_in_block): Use it.
686 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
688 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
690 * reload1.c (reg_equiv_memory_loc_varray): Rename to
691 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
692 (init_reload, reload): Use VEC instead of VARRAY.
693 * reload.h: Update the prototype for
694 reg_equiv_memory_loc_varray.
696 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
697 Eric Botcazou <ebotcazou@libertysurf.fr>
699 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
702 2005-04-13 Uros Bizjak <uros@kss-loka.si>
705 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
706 to expand fallback builtin function call.
708 2006-04-14 Alan Modra <amodra@bigpond.net.au>
711 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
712 and emit libcall here in case the builtin fails.
713 (expand_builtin_strcmp): Always emit the libcall here on failure.
715 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
717 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
718 * flow.c (reg_n_info): Change the type to
719 VEC(reg_info_p,heap) *.
720 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
722 * regs.h (reg_info_p): New.
723 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
724 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
725 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
728 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
730 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
732 * params.h (MAX_SCHED_READY_INSNS): New macro.
733 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
734 past MAX_SCHED_READY_INSNS during the first scheduling pass.
735 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
736 the ready list for 1 cycle during the first scheduling pass.
737 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
739 2006-04-13 Richard Henderson <rth@redhat.com>
742 * gimple-low.c (lower_omp_directive): Remove dead code.
743 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
744 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
745 * omp-low.c (struct omp_region): Move to tree-flow.h.
746 (root_omp_region): Export.
747 (omp_regions, lookup_omp_region): Remove.
748 (determine_parallel_type): Update for struct omp_region changes.
749 (dump_omp_region): Dump regions with block numbers.
750 (new_omp_region): Take type and block instead of stmt; malloc
752 (free_omp_region_1, free_omp_regions): New.
753 (expand_parallel_call): Take entry_stmt as argument; update for
754 changes to omp_region.
755 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
756 (remove_exit_barriers): New.
757 (expand_omp_parallel): Update for struct omp_region changes.
758 (expand_omp_synch): Likewise.
759 (expand_omp): Likewise.
760 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
761 (expand_omp_for_static_chunk): Likewise.
762 (expand_omp_for): Likewise.
763 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
764 (expand_omp_sections): Similarly, with GOMP_sections_end.
765 (expand_omp_single): New.
766 (build_omp_regions_1): Update for OMP_CONTINUE.
767 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
768 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
769 OMP_SECTIONS_SECTIONS.
770 (lower_omp_single_simple): Don't emit barrier here.
771 (lower_omp_single_copy): Likewise.
772 (lower_omp_single): Fix bindings, and lower to straightline now.
773 (lower_omp_master, lower_omp_ordered): Likewise.
774 (lower_omp_critical): Likewise.
775 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
776 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
777 omp edges, free it afterward.
778 (make_omp_sections_edges): Remove.
779 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
780 (move_stmt_r): Handle OMP_CONTINUE.
781 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
782 statement pointers to basic blocks. Add type member.
783 (root_omp_region, new_omp_region, free_omp_regions): Declare.
784 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
785 * tree-inline.c (estimate_num_insns_1): Likewise.
786 * tree-pretty-print.c (dump_generic_node): Likewise.
787 * tree-ssa-operands.c (get_expr_operands): Likewise.
788 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
789 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
791 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
792 (OMP_SECTIONS_SECTIONS): Remove.
793 (OMP_SECTION_LAST): New.
794 (OMP_RETURN_NOWAIT): New.
796 2006-04-13 Roger Sayle <roger@eyesopen.com>
798 * fold-const.c (native_encode_vector, native_interpret_real):
799 Correct obvious mistakes in the previous check-in.
801 2006-04-13 Roger Sayle <roger@eyesopen.com>
803 * fold-const.c (native_encode_expr): New function to encode
804 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
805 or VECTOR_CST into a specified buffer.
806 (native_encode_int): New function.
807 (native_encode_real): New function.
808 (native_encode_complex): New function.
809 (native_encode_vector): New function.
810 (native_interpret_expr): Inverse of native_encode_expr to convert
811 a target representation into an INTEGER_CST, REAL_CST etc...
812 (native_interpret_int): New function.
813 (native_interpret_real): New function.
814 (native_interpret_complex): New function.
815 (native_interpret_vector): New function.
816 (fold_view_convert_expr): New function to constant fold/evaluate
817 a VIEW_CONVERT_EXPR of a suitable constant expression.
818 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
819 Change call of build1 to fold_build1 when constructing a
822 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
823 Ulrich Weigand <uweigand@de.ibm.com>
826 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
829 2006-04-13 Alan Modra <amodra@bigpond.net.au>
832 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
833 optimize to lo_sum for DFmode if !TARGET_FPRS.
835 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
837 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
838 delete_alias_info, compute_flow_sensitive_aliasing,
839 group_aliases): Use VEC instead of VARRAY.
840 * tree-ssa-structalias.c (update_alias_info): Likewise.
841 * tree-ssa-structalias.h (alias_info): Change the type of
842 processed_ptrs to VEC(tree,heap) *.
844 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
847 * config/sh/lib1funcs.h: New file, broken out of:
848 * config/sh/lib1funcs.asm.
849 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
851 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
852 * config/sh/lib1funcs-Os-4-200.asm: New file.
853 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
854 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
855 (EXTRA_MULTILIB_PARTS): Include it.
856 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
857 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
858 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
859 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
862 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
864 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
865 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
866 tpa_compact, root_var_init, type_var_init): Use VEC instead of
868 * tree-ssa-live.h: Include vecprim.h.
869 (tree_partition_associator_d): Change the type of
870 first_partition to VEC(int,heap) *.
871 (tpa_first_partition): Use VEC instead of VARRAY.
873 * Makefile.in (GTFILES): Move functions.h after tree.h.
874 * function.c (reset_block_changes, record_block_change,
875 check_block_change, free_block_changes): Use VEC instead of
877 * function.h (function): Change the type of
878 ib_boundaries_block to VEC(tree,gc) *.
879 * tree-inline.c (copy_cfg_body): Initialize
880 ib_boundaries_block to NULL instead of (varray_type) 0.
882 2006-04-12 Roger Sayle <roger@eyesopen.com>
884 * expr.c (emit_group_store): Correct operand order in call to
885 subreg_lowpart_offset. Always create paradoxical SUBREGs with
886 a SUBREG_BYTE of zero.
888 2006-04-12 Richard Guenther <rguenther@suse.de>
890 * profile.c (compute_branch_probabilities): Remove code
891 encapsulated in !ir_type (), which are remanents of the
892 removed RTL profiling code.
893 * rtl-profile.c: Remove.
895 2006-04-12 Alan Modra <amodra@bigpond.net.au>
897 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
898 magic NULL_RTX comment.
899 (function_arg): Store entire fp arg to mem if any part should go
901 (rs6000_arg_partial_bytes): Adjust for above change.
903 2006-04-11 Roger Sayle <roger@eyesopen.com>
905 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
906 if it hasn't been initialized by dwarf2out_init.
908 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
910 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
911 symbolic constants in branch patterns.
913 2006-04-11 Roger Sayle <roger@eyesopen.com>
915 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
917 2006-04-11 Richard Sandiford <richard@codesourcery.com>
919 PR rtl-optimization/27073
920 * gcse.c (try_replace_reg): Revert last change. Continue to search
921 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
924 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
926 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
927 aggregate types other than record and union types.
928 (function_arg): Likewise.
929 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
931 (function_value): In 64-bit mode, return objects that require it
934 2006-04-11 Roger Sayle <roger@eyesopen.com>
936 * dwarf2out.c (premark_used_types): Remove problematic prototype.
938 2006-04-11 Jakub Jelinek <jakub@redhat.com>
940 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
942 2006-04-03 Jeff Law <law@redhat.com>
945 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
946 alias information too.
948 2006-04-10 Mike Frysinger <vapier@gentoo.org>
950 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
952 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
955 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
956 (premark_used_types_helper): New.
957 (premark_used_types): New.
958 (gen_subprogram_die): Call premark_used_types.
959 (prune_unused_types_walk): Do not prune perennial dies.
960 * function.c (used_types_insert): New.
961 * function.h (struct function): Add used_types_hash field.
962 (used_types_insert): Add prototype.
963 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
964 * c-parser.c (c_parser_cast_expression): Save casted types in used
967 2006-04-11 Mark Mitchell <mark@codesourcery.com>
970 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
971 rs6000_explicit_options.float_gprs.
973 2006-04-10 Roger Sayle <roger@eyesopen.com>
975 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
976 from ix86_expand_vector_init_low_nonzero. Take an additional
977 one_var argument indicating which element is non-zero. Support
978 one_var != 0 for V4SFmode and V4SImode by permuting the result.
979 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
980 with one_var instead of ix86_expand_vector_init_low_nonzero.
982 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
984 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
985 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
986 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
987 build/genextract.o): Depend on vecprim.h.
988 * cfglayout.c, df-problems.c, function.c, genextract.c,
989 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
990 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
994 2006-04-10 Geoffrey Keating <geoffk@apple.com>
996 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
997 Declare VECs of this type.
998 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
999 (remove_children): Delete.
1000 (add_dwarf_attr): Use VEC routines.
1001 (add_AT_flag): Update for changes to add_dwarf_attr.
1002 (add_AT_int): Likewise.
1003 (add_AT_unsigned): Likewise.
1004 (add_AT_long_long): Likewise.
1005 (add_AT_vec): Likewise.
1006 (add_AT_string): Likewise.
1007 (add_AT_die_ref): Likewise.
1008 (add_AT_fde_ref): Likewise.
1009 (add_AT_loc): Likewise.
1010 (add_AT_loc_list): Likewise.
1011 (add_AT_addr): Likewise.
1012 (add_AT_lbl_id): Likewise.
1013 (add_AT_lineptr): Likewise.
1014 (add_AT_macptr): Likewise.
1015 (add_AT_offset): Likewise.
1016 (add_AT_range_list): Likewise.
1017 (get_AT): Use VEC_iterate.
1018 (remove_AT): Use VEC_ordered_remove.
1019 (free_die): Fold remove_children into here; have it use VEC_iterate.
1020 (print_die): Use VEC_iterate on attrs.
1021 (reverse_die_lists): Don't reverse attr lists.
1022 (die_checksum): Use VEC_iterate on attrs.
1023 (same_die_p): Likewise.
1024 (output_location_lists): Likewise.
1025 (build_abbrev_table): Likewise.
1026 (size_of_die): Likewise.
1027 (unmark_all_dies): Likewise.
1028 (output_abbrev_section): Likewise.
1029 (output_die): Likewise.
1030 (prune_unused_types_walk_attribs): Likewise.
1032 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1034 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1036 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1039 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1041 2006-04-09 Roger Sayle <roger@eyesopen.com>
1043 * expr.c (store_constructor): Don't bother clearing target if
1044 we're about to assign a vector to it using vec_init_optab.
1046 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1048 * tree-ssa-alias.c (lhs_may_store_to): New function.
1049 (recalculate_used_alone): Handle LHS of calls.
1051 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1055 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1056 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1057 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1058 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1059 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1060 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1061 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1062 stubs. Add ".align 8" directives before all ".dword" directives.
1063 (GTHREAD_USE_WEAK): Revise comment.
1064 (TARGET_ATTRIBUTE_WEAK): Define.
1065 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1066 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1067 * stublib.c: New file.
1072 * pa.md (cbranch patterns): Revise arguments used in calls to
1073 output_cbranch, output_bb and output_bvd. Add long branch length
1075 (fbranch patterns): Handle long branches.
1076 (jump): Revise length check. Revise arguments for output_lbranch call.
1077 Add long branch length attributes.
1078 (decrement_and_branch_until_zero): Add long branch length attributes.
1079 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1080 Likewise. Revise arguments for output_parallel_addb and
1081 output_parallel_movb calls.
1082 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1083 output_parallel_movb and output_parallel_addb): Update prototypes.
1084 * pa.c (output_cbranch): Revise arguments. Correct handling of
1085 nullification in long branches.
1086 (output_lbranch): Add new argument to control extraction of delay
1088 (output_bb): Handle long branches.
1089 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1090 output_parallel_addb): Likewise.
1092 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1094 PR rtl-optimization/27073
1095 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1098 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1100 * tree.h (tree_memory_tag): Add old_used_alone.
1101 (SMT_OLD_USED_ALONE): New macro.
1102 * tree-ssa-alias.c (recalculate_used_alone): Stop
1103 marking things for renaming unnecessarily.
1105 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1107 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1108 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1109 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1110 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1111 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1112 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1113 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1114 spelling convensions.
1115 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1116 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1117 typos. Follow spelling conventions.
1119 2006-04-07 DJ Delorie <dj@redhat.com>
1121 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1122 passed on the stack.
1123 (m32c_init_cumulative_args): When a function returns a structure,
1124 always pass the pointer to that return area on the stack.
1125 (m32c_function_arg_advance): Don't increment the parameter number
1126 if we're processing the returned structure pointer.
1127 (pushm_info): Reverse order of registers.
1129 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1131 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1132 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1133 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1134 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1136 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1137 chrec_fold_multiply): Same.
1138 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1139 force_expr_to_var_cost): Same.
1140 * tree-mudflap.c (mf_xform_derefs_1): Same.
1141 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1143 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1145 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1146 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1149 2006-04-07 Jan Hubicka <jh@suse.cz>
1151 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1153 2006-04-07 Richard Guenther <rguenther@suse.de>
1155 PR tree-optimization/26135
1156 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1157 loads for store copy-prop.
1158 (copy_prop_visit_stmt): Likewise.
1160 2006-04-05 Robert Millan <robertmh@gnu.org>
1162 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1163 being overriden in config/k*bsd-gnu.h.
1164 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1166 * gcc/config/knetbsd-gnu.h: Ditto.
1168 2006-04-06 Jan Hubicka <jh@suse.cz>
1172 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1175 2006-04-06 Mike Stump <mrs@apple.com>
1177 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1178 for HAVE_nonlocal_goto to be consistent.
1179 (expand_builtin_nonlocal_goto): Likewise.
1180 (expand_builtin_strcmp): Use #ifdef instead of #if
1181 for HAVE_cmpstrnsi to be consistent.
1183 2006-04-05 DJ Delorie <dj@redhat.com>
1185 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1188 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1190 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1191 got-relative addressing for anything but SImode.
1193 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1194 even if the calling function doesn't modify them.
1196 2006-04-05 Richard Guenther <rguenther@suse.de>
1198 PR tree-optimization/26919
1199 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1200 to cgraph_estimate_size_after_inlining.
1202 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1204 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1206 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1208 PR tree-optimization/26996
1209 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1210 VECTOR_TYPE variables.
1212 2006-04-05 Richard Guenther <rguenther@suse.de>
1214 PR tree-optimization/26763
1215 * fold-const.c (fold_comparison): Move folding of
1216 PTR + CST CMP PTR + CST ...
1217 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1219 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1221 * doc/install.texi (Prerequisites): Refine some wording on
1222 bootstrapping and ksh.
1223 Move the version numbers of DejaGnu here from the testing section
1224 and fix casing of names.
1225 Fix markup and clarify wording for autogen requirements.
1226 Refer to GCJ instead of just java.
1227 Refer to SVN instead of CVS.
1228 Describe diffutils as useful instead of necessary.
1229 (Downloading the source): Refer to SVN instead of CVS.
1230 Adjust a link to our web site accordingly.
1231 (Configuration): Fix casing of Bison.
1232 (Building): Refer to SVN instead of CVS.
1233 Fix a sentence on the use of Bison and remove duplicate (and
1234 incorrect) version number of Bison requirement.
1235 Remove one redundant list of packages needed for building.
1236 (Specific): Avoid reference to CVS.
1238 2006-04-04 Eric Christopher <echristo@apple.com>
1240 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1241 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1242 (rs6000_handle_struct_attribute): New.
1243 (rs6000_ms_bitfield_layout_p): Ditto.
1245 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1247 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1248 NULL for dso parameter to atexit_common.
1250 2006-04-04 Eric Christopher <echristo@apple.com>
1252 * config/i386/i386.c (machopic_output_stub): Output \t
1253 between instructions and operands.
1255 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1257 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1258 satisfies_constraint_[IL] to explicit tests on value.
1260 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1262 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1263 set_nb_iterations_in_loop): Use build_int_cst instead of
1265 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1266 build_int_cst instead of convert.
1268 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1270 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1271 new value 2 for incoming.
1272 * function.c (expand_function_start): Call struct_value_rtx
1274 * config/sparc/sparc.md: Comment updated_return.
1275 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1276 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1277 struct return if sparc_std_struct_return and incoming is 2.
1278 (print_operand): Do not adjust return if
1279 sparc_std_struct_return.
1281 2006-04-04 Roger Sayle <roger@eyesopen.com>
1283 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1284 convert in the middle-end.
1285 * expr.c (store_expr, store_constructor, get_inner_reference,
1286 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1288 * tree.c (build_range_type): Likewise.
1290 2006-04-04 Tom Tromey <tromey@redhat.com>
1292 * doc/install.texi (Prerequisites): Mention jar.
1294 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1296 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1299 2006-04-04 Matthias Klose <doko@debian.org>
1301 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1303 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1305 * doc/extend.texi (Function Attributes): Rewrite visibility
1306 attribute documentation.
1307 * doc/invoke.texi (C++ Dialect Options): Rewrite
1308 -fvisibility-inlines-hidden documentation to describe something
1309 entirely different, although in practise compatible.
1310 (Code Gen Options): Warn about system headers in -fvisibiltity=
1313 * doc/extend.texi (Other Builtins): Document that
1314 __builtin_nan is a compile-time constant only when its argument
1317 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1319 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1320 trying to remove TRUNCATE check if all bits outside the new mode
1321 are identical to the sign bit.
1323 2006-04-03 Jeff Law <law@redhat.com>
1325 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1326 and operand scanning in some common cases.
1328 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1329 Dale Johannesen <dalej@apple.com>
1332 * regclass.c (struct reg_pref): Update documentation.
1333 (regclass): Set prefclass to NO_REGS if memory is the best option.
1334 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1335 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1336 into account. For non-registers, equate an empty preferred
1337 reload class to a `!' in the constraint; move the if clause to
1338 do so after those that reject the insn.
1339 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1341 (find_dummy_reload): Likewise.
1342 * doc/tm.texi (Register Classes): Document what it means
1343 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1344 * config/i386/i386.c (ix86_preferred_reload_class): Force
1345 using SSE registers (and return NO_REGS for floating-point
1346 constants) if math is done with SSE.
1347 (ix86_preferred_output_reload_class): New.
1348 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1349 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1350 * config/i386/i386.md: Remove # register preferences.
1352 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1355 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1356 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1357 the type of nb_iter.
1358 (instantiate_parameters_1): Convert the operands before calling
1359 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1360 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1362 2006-04-02 Roger Sayle <roger@eyesopen.com>
1364 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1365 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1367 * dojump.c (do_jump): Likewise.
1368 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1369 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1370 gimplify_boolean_expr): Likewise.
1371 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1372 * varasm.c (array_size_for_constructor): Likewise.
1373 * tree-object-size.c (compute_object_offset): Likewise.
1375 2006-04-02 Roger Sayle <roger@eyesopen.com>
1378 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1379 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1381 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1383 PR tree-optimization/26939
1384 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1386 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1388 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1389 at_stmt. Convert the type of operands before calling
1390 build_polynomial_chrec.
1391 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1393 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1394 (instantiate_parameters_1): Convert the type of operands before calling
1395 build_polynomial_chrec.
1396 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1397 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1398 reset_evolution_in_loop): Insert asserts to check the types of the
1400 (chrec_type): Moved...
1401 (eq_evolutions_p): Use operand_equal_p.
1402 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1403 the types of the operands.
1404 (chrec_type): ...here.
1405 * tree-data-ref.c (create_data_ref): Convert the operands before
1406 calling chrec_replace_initial_condition.
1407 (same_access_functions, analyze_subscript_affine_affine,
1408 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1409 (compute_subscript_distance, analyze_ziv_subscript,
1410 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1411 analyze_miv_subscript): Convert the operands before calling
1412 chrec_fold_minus or chrec_fold_plus.
1414 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1416 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1417 the dependence_relations vector.
1418 (compute_data_dependences_for_loop): Adjust call to
1419 compute_all_dependences.
1421 2006-04-01 Roger Sayle <roger@eyesopen.com>
1422 Richard Henderson <rth@redhat.com>
1424 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1425 gimple_boolify on the condition before calling gimplify_expr.
1427 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1429 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1430 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1431 the frame size. Update to use the new macros.
1432 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1433 * config/xtensa/ieee754-df.S: Likewise.
1435 2006-03-31 Richard Henderson <rth@redhat.com>
1437 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1438 (make_edges): ... here. Control fallthru creation with a local
1439 variable. Do not play with fake edges.
1440 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1441 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1444 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1446 * dwarf2.h (DW64_CIE_ID): Define.
1447 * dwarf2out.c (DWARF_CIE_ID): Define.
1448 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1449 length header. Use DWARF_CIE_ID.
1450 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1451 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1453 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1455 * config/sh/linux-atomic.asm: New file.
1456 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1458 2006-03-31 DJ Delorie <dj@redhat.com>
1460 * config/m32c/cond.md: Set condition flags properly throughout.
1461 * config/m32c/minmax.md: Likewise.
1462 * config/m32c/prologue.md: Likewise.
1463 * config/m32c/bitops.md: Likewise.
1464 * config/m32c/muldiv.md: Likewise.
1465 * config/m32c/mov.md: Likewise.
1466 * config/m32c/addsub.md: Likewise.
1467 * config/m32c/m32c.md: Likewise.
1468 * config/m32c/jump.md: Likewise.
1469 * config/m32c/shift.md: Likewise.
1471 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1472 conditionally output the pattern for this.
1473 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1474 (m32c_compare_redundant): New.
1475 (m32c_output_compare): New.
1476 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1478 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1479 dest, not src. Allow other 4-byte modes.
1481 2006-03-30 Denis Chertykov <denisc@overta.ru>
1483 * doc/md.texi: Refer to avr/constraints.md instead of
1486 2006-03-30 Roger Sayle <roger@eyesopen.com>
1488 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1489 signed vs. unsigned comparison failures on some hosts.
1491 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1494 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1495 change to FLOAT_REGS.
1497 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1498 (rs6000_override_options): Use it.
1499 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1500 only for -mabi=spe/no-spe and -mabi=altivec.
1502 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1504 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1507 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1509 * Makefile.in: Rename docdir to gcc_docdir.
1511 2006-03-30 Roger Sayle <roger@eyesopen.com>
1514 * expr.c (emit_group_store): Optimize group stores into a pseudo
1515 register by using a paradoxical subreg to initialize the destination
1516 if the first or last member of the group specifies a "low part".
1518 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1521 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1522 * target.h (struct gcc_target.speculate_insn): Change type of the
1523 second parameter to 'int'.
1524 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1525 the second operand of the DEPS_LIST.
1526 (copy_DEPS_LIST_list): Update reference to the second operand of the
1528 * rtl.h (alloc_DEPS_LIST): Update signature.
1529 * sched-int.h (ds_t): Change typedef to 'int'.
1530 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1532 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1534 * haifa-sched.c (try_ready): Change condition to restore
1535 non-speculative pattern of the instruction.
1536 (process_insn_depend_be_in_spec): Code to keep probability of the
1537 speculative dependence non-decreasing.
1539 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1541 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1542 (single_move_for_movmem): ... this. Also change all uses.
1543 (bfin_expand_strmov): Renamed to...
1544 (bfin_expand_movmem): ... this. Also change all uses.
1545 * config/bfin/bfin.md (movstrsi): Renamed to...
1546 (movstrsi): ...this.
1548 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1550 PR tree-optimization/26830
1552 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1553 (copy_prop_visit_stmt): Remove write-only variable ann.
1554 (init_copy_prop): Check variable loop depth here. Do not simulate
1555 memory-tag and virtual operand PHIs except for store copy prop.
1557 2006-03-30 Richard Guenther <rguenther@suse.de>
1559 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1560 variants with double arguments.
1562 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1564 * genpreds.c (write_tm_constrs_h): Delete variable p.
1565 * genconditions.c (write_header): Add tm-constrs.h to included
1567 * genpeep.c (main): Add toplev.h to included headers.
1568 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1569 (build/genpeep.o): Add toplev.h dependency.
1570 * config/rs6000/constraints.md: Add "W" constraint.
1572 2006-03-29 Roger Sayle <roger@eyesopen.com>
1574 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1575 sizes by correctly testing whether the size fits a host integer.
1576 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1577 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1578 SImode range for the default sizetype and bitsizetype.
1580 2006-03-29 Roger Sayle <roger@eyesopen.com>
1582 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1583 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1584 quickly if the argument is already of the correct type.
1585 Call fold_build1 instead of build1. Tidy up blank lines.
1587 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1589 * genemit.c (main): Add tm-constrs.h to included headers.
1590 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1591 * genpeep.c (main): Add tm-constrs.h to included headers.
1592 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1593 (write_tm_constrs_h): this and write complete file.
1594 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1595 (write_insn_preds_c): Add tm-constrs.h to included headers.
1596 (gen_constrs): New variable.
1597 (parse_option): Parse "-c".
1598 (main): Invoke write_tm_constrs_h.
1599 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1600 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1601 (object_out_file): Add tm-constrs.h dependency.
1602 (insn-emit.o): Same.
1603 (insn-output.o): Same.
1604 (insn-peep.o): Same.
1605 (insn-preds.o): Same.
1606 (insn-recog.o): Same.
1607 (tm-constsr.h): New target.
1608 (s-constrs-h): New target.
1610 * config/rs6000/constraints.md: New file.
1611 * config/rs6000/rs6000.c: Include tm-constrs.h.
1612 (num_insn_constant_wide): Convert to satisfies_constraint.
1613 (rs6000_rtx_costs): Convert to satisfies_constraint.
1614 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1615 (CONST_OK_FOR_LETTER_P): Delete.
1616 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1617 (EXTRA_CONSTRAINT): Delete.
1618 (EXTRA_MEMORY_CONSTRAINT): Delete.
1619 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1620 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1621 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1622 satisfies_constraint.
1624 * config/i386/i386.c: Include tm-constrs.h.
1626 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1628 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1629 * tree-data-ref.c (find_data_references_in_loop,
1630 compute_data_dependences_for_loop): Use pointers to VEC.
1631 (analyze_all_data_dependences): Adjust calls.
1632 * tree-data-ref.h (find_data_references_in_loop,
1633 compute_data_dependences_for_loop): Adjust declarations.
1634 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1635 compute_data_dependences_for_loop.
1637 2006-03-29 Paul Brook <paul@codesourcery.com>
1639 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1642 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1644 PR tree-optimization/26859
1645 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1647 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1648 for the step after fold_convert.
1650 2006-03-29 Paul Brook <paul@codesourcery.com>
1652 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1653 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1655 2006-03-29 Paul Brook <paul@codesourcery.com>
1658 * targhooks.c (default_narrow_bitfield): New fuction.
1659 * targhooks.h (default_narrow_bitfield): add prototype.
1660 * target.h (gcc_target): Add narrow_volatile_bitfield.
1661 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1662 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1663 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1664 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1666 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1668 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1670 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1671 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1672 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1673 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1674 (s390_function_arg_float): Allow SDmode and DDmode values to be
1675 passed in floating point registers.
1676 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1677 check with SCALAR_FLOAT_MODE_P.
1678 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1680 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1682 PR tree-optimization/25985
1683 * tree-ssa-loop-niter.c (number_of_iterations_le,
1684 number_of_iterations_ne): Make comments more precise.
1685 (number_of_iterations_cond): Add only_exit argument. Use the
1686 fact that signed variables do not overflow only when only_exit
1688 (loop_only_exit_p): New.
1689 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1690 number_of_iterations_cond.
1692 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1694 PR tree-optimization/26643
1695 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1698 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1700 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1701 (divsi3_i4_int): Likewise.
1703 2006-03-28 Roger Sayle <roger@eyesopen.com>
1705 * expr.c (emit_group_store): Only create a new pseudo reg if the
1706 quantity it needs to hold isn't already a suitable pseudo.
1708 2006-03-28 Jeff Law <law@redhat.com>
1710 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1711 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1713 2006-03-28 Roger Sayle <roger@eyesopen.com>
1715 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1716 the equivalent ~X & Y, and the symmetry related transformations.
1717 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1718 ~X & Y, and symmetry related transforms.
1720 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1722 Revert my 2006-03-27 patches.
1724 2006-03-28 Roger Sayle <roger@eyesopen.com>
1726 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1727 ~(T1)X, when T1 and T2 are integer types of the same precision
1728 and (T2)X isn't an extension.
1730 2006-03-28 Jeff Law <law@redhat.com>
1732 PR tree-optimization/26796
1733 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1734 need EH edge cleanups rather than purging them immediately.
1735 (eliminate_degenerate_phis): Handle queued EH cleanups.
1737 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1739 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1742 2006-03-27 Roger Sayle <roger@eyesopen.com>
1745 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1746 cast BIT_NOT_EXPR operand to the correct type.
1748 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1750 * tree-loop-linear.c: Don't include varray.h.
1751 (gather_interchange_stats, try_interchange_loops,
1752 linear_transform_loops): Use VEC instead of VARRAY.
1753 * lambda-mat.c: Don't include varray.h.
1754 * tree-chrec.c: Same.
1755 * lambda-trans.c: Same.
1756 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1757 VEC instead of VARRAY.
1758 * tree-vectorizer.h: Idem.
1759 * tree-data-ref.c (dump_data_references,
1760 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1761 initialize_data_dependence_relation, finalize_ddr_dependent,
1762 compute_all_dependences, find_data_references_in_loop,
1763 compute_data_dependences_for_loop, analyze_all_data_dependences,
1764 free_dependence_relation, free_dependence_relations,
1765 free_data_refs): Idem.
1766 * tree-data-ref.h (data_reference_p, subscript_p): New.
1767 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1768 VEC instead of VARRAY.
1769 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1770 (find_data_references_in_loop, compute_data_dependences_for_loop,
1771 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1772 dump_data_dependence_relations, free_dependence_relations,
1773 free_data_refs): Adjust declaration.
1774 (lambda_transform_legal_p): Move declaration here...
1775 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1776 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1777 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1778 vect_analyze_data_refs): Use VEC instead of VARRAY.
1779 * lambda.h (lambda_transform_legal_p): ...from here.
1780 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1781 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1782 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1783 tree-chrec.o): Don't depend on VARRAY_H.
1785 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1787 * rtl.def (Copyright): Update date.
1788 (DEPS_LIST): Change type of the second operand to 'int'.
1789 * target.h (Copyright): Update date.
1790 (struct gcc_target.speculate_insn): Change type of the second parameter
1792 * lists.c (Copyright): Update date.
1793 (alloc_DEPS_LIST): Change signature. Update reference to the second
1794 operand of the DEPS_LIST.
1795 (copy_DEPS_LIST_list): Update reference to the second operand of the
1797 * rtl.h (Copyright): Update date.
1798 (alloc_DEPS_LIST): Update signature.
1799 * sched-int.h (Copyright): Update date.
1800 (ds_t): Change typedef to 'int'.
1801 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1803 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1805 * haifa-sched.c (Copyright): Update date.
1806 (try_ready): Change condition to restore non-speculative pattern
1808 (process_insn_depend_be_in_spec): Code to keep probability of the
1809 speculative dependence non-decreasing.
1811 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1813 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1814 shut up the compiler.
1816 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1818 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1819 to use lib prefix for target.
1820 ($(T)libic_invalidate_array_4-200.a): Likewise.
1821 ($(T)libic_invalidate_array_4a.a): Likewise.
1823 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1824 J"orn Rennecke <joern.rennecke@st.com>
1826 * superh.opt: New file.
1827 * sh.c (boardtype, osruntime): Remove.
1828 * superh.h (SUBTARGET_OPTIONS): Remove.
1829 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1831 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1832 arguments with ^ and/or [].
1834 * config.gcc (sh-*-*): Add quoting to account for quirk of
1836 Replace == with = in enable_incomplete_targets test.
1838 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1839 with MASK_LITTLE_ENDIAN.
1841 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1842 * config/sh/sh.opt: Added to some comments.
1843 * config/sh/superh.h: Removed some chaff.
1845 * config/sh/sh.opt: Add m4-[1234]00* options.
1846 * config/sh/sh.c (sh_handle_option): Likewise.
1847 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1848 (ic_invalidate_array_4-100.o): New rule.
1849 ($(T)libic_invalidate_array_4-100.a): Likewise.
1850 (ic_invalidate_array_4-200.o): Likewise.
1851 ($(T)libic_invalidate_array_4-200.a): Likewise.
1852 (ic_invalidate_array_4a.o): Likewise.
1853 ($(T)libic_invalidate_array_4a.a): Likewise.
1854 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1855 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1857 * config/sh/crt1.asm: Merged in profiling code.
1858 * config/sh/superh.h (STARTFILE_SPEC): Override.
1859 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1860 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1861 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1863 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1864 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1865 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1867 * sh.opt (mpretend-cmove): New option.
1868 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1869 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1870 (movsicc): Add TARGET_PRETEND_CMOVE code.
1872 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1874 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1875 s390_class_max_nregs): New function prototypes.
1876 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1877 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1878 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1879 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1881 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1883 * dwarf2out.c (add_location_or_const_value_attribute): Call
1884 tree_add_const_value_attribute if nothing else works.
1885 (reference_to_unused): New.
1886 (rtl_for_decl_init): Use reference_to_unused to decide whether
1887 to output an initializer.
1889 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1892 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1893 peephole removing spe frob_di_df_2.
1895 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1897 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1898 (subscript_dependence_tester_1): Declared.
1899 (print_dir_vectors, print_dist_vectors): New.
1900 (debug_data_dependence_relation): New.
1901 (dump_data_dependence_relation): Print more details.
1902 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1903 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1904 (save_dist_v, save_dir_v, add_outer_distances,
1905 build_classic_dist_vector_1): New.
1906 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1907 Don't test for lambda_vector_lexico_pos.
1908 (same_access_functions, add_multivariate_self_dist,
1909 add_other_self_distances, dir_from_dist): New.
1910 (build_classic_dir_vector): Replace implementation almost identical to
1911 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1913 (subscript_dependence_tester_1): New.
1914 (subscript_dependence_tester): Handle the lexicographically negative
1915 distance vectors by recomputing the dependence relation.
1916 (compute_affine_dependence): Remove parameter loop_nest_depth.
1917 (compute_self_dependence): Don't call compute_subscript_distance.
1918 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1919 Add a parameter for the loop_nest.
1920 (find_loop_nest_1, find_loop_nest): New.
1921 (compute_data_dependences_for_loop): Compute the loop nest, and give
1922 up if the nest is not well formed.
1923 * tree-data-ref.h (loop_p): New.
1924 (struct data_dependence_relation): Replace size_vect field with
1925 loop_nest, a vec of loops.
1926 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1927 (DDR_LOOP_NEST): New.
1928 (print_dir_vectors, print_dist_vectors,
1929 debug_data_dependence_relation): Declared.
1930 (index_in_loop_nest): New.
1931 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1932 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1935 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1937 * simplify-rtx.c (simplify_relational_operation): Call
1938 simplify_relational_operation_1 even if mode is VOIDmode.
1940 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1942 PR tree-optimization/26804
1943 * tree.h (DECL_CALL_CLOBBERED): New macro.
1944 (tree_decl_common): Add call_clobbered_flag.
1945 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1946 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1947 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1948 (mark_non_addressable): Ditto.
1949 * tree-ssa.c (verify_call_clobbered): New function.
1950 (verify_alias_info): Use it.
1951 * tree-pass.h (pass_reset_cc_flags): New prototype.
1952 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1953 (reset_cc_flags): New function.
1954 * passes.c (init_optimization_passes): Call reset_cc_flags after
1955 initializing referenced_vars.
1957 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1958 Roger Sayle <roger@eyesopen.com>
1961 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1962 to 1.0 for non-real operands. Implement A / A optimization for
1965 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1967 * config/i386/i386.c (size_cost): Correct the comment for
1968 cost of storing fp registers.
1969 (i386_cost): Likewise.
1970 (i486_cost): Likewise.
1971 (pentium_cost): Likewise.
1972 (pentiumpro_cost): Likewise.
1973 (k6_cost): Likewise.
1974 (athlon_cost): Likewise.
1975 (k8_cost): Likewise.
1976 (pentium4_cost): Likewise.
1977 (nocona_cost): Likewise.
1978 (generic64_cost): Likewise.
1979 (generic32_cost): Likewise.
1981 2006-03-24 Denis Chertykov <denisc@overta.ru>
1983 * config/avr/avr-protos.h (extra_constraint): Delete.
1984 (extra_constraint_Q): New declaration.
1985 * config/avr/constraints.md: New file.
1986 * config/avr/avr.md: Include it.
1987 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1988 (TMP_REGNO, ZERO_REGNO): Likewise.
1989 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1990 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1991 (extra_constraint): Delete.
1992 (extra_constraint_Q): Test for memory constraint 'Q'.
1993 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1994 (REG_CLASS_FROM_LETTER): Delete.
1995 (CONST_OK_FOR_LETTER_P): Delete.
1996 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1997 (EXTRA_CONSTRAINT): Delete.
1998 (TMP_REGNO): Delete.
1999 (ZERO_REGNO): Delete.
2001 2006-03-24 Jeff Law <law@redhat.com>
2003 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2004 directly. Call mark_new_vars_to_rename slightly earlier.
2006 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2008 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2010 (gen_compile_unit_die): Use new language types for Objective-C and
2012 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2013 DW_LANG_C_plus_plus.
2016 * config/t-darwin (crt3.o): Work around bug 26840.
2017 * config/darwin-crt3.c: Rewrite.
2018 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2020 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2022 * doc/invoke.texi: Document -femit-class-debug-always
2023 * common.opt: Add -femit-class-debug-always.
2025 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2027 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2028 index and base register.
2029 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2030 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2031 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2032 REGNO_OK_FOR_INDEX_P.
2033 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2035 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2036 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2037 REG_OK_FOR_BASE_P): Definitions removed.
2039 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2042 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2043 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2044 set yet or weren't marked as local yet.
2046 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2048 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2051 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2053 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2054 (rs6000_legitimate_small_data_p): Delete.
2055 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2056 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2057 and make static. Add forward declaration. Update uses.
2058 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2059 of offsettable_memref_p.
2060 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2061 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2063 2006-03-24 Jeff Law <law@redhat.com>
2065 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2066 around bug in immediate-use iterator.
2068 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2071 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2072 or __LITTLE_ENDIAN__.
2074 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2076 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2077 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2078 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2079 * config/sh/sh.opt (mdiv=): Amend description.
2080 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2081 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2082 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2083 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2084 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2085 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2086 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2087 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2088 TARGET_DIVIDE_CALL_FP.
2090 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2092 * haifa-sched.c (choose_ready): Fix type of the local variable.
2093 Move local variables. Add comment.
2094 (check_reg_live): Change signature. Make callable from debugger.
2095 * sched-int.h (check_reg_live): Update signature.
2096 * sched-ebb.c (check_reg_live): Update parameters.
2097 * sched-rgn.c (check_reg_live): Ditto.
2098 (region_head_or_leaf_p): Check pointer before dereferencing.
2099 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2100 before reload on optimization levels below 1.
2102 2006-03-23 Richard Henderson <rth@redhat.com>
2104 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2108 * config/alpha/predicates.md (local_symbolic_operand): Reject
2111 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2114 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2115 expressions which have overflowed constants.
2117 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2119 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2121 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2123 * cfgloopmanip.c (create_loop_notes): Removed.
2124 * final.c (final_scan_insn): Do not handle loop notes.
2125 * jump.c (squeeze_notes): Ditto.
2126 * cfglayout.c (skip_insns_after_block,
2127 duplicate_insn_chain): Ditto.
2128 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2130 * cfgloop.h (create_loop_notes): Declaration removed.
2132 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2134 * varasm.c (output_constant_pool): Restore fnname and fndecl
2136 (assemble_start_function): Adjust call accordingly.
2137 (assemble_end_function): Likewise.
2139 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2142 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2145 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2147 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2150 * system.h (ICE_EXIT_CODE): New macro.
2151 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2152 (diagnostic_action_after_output): Likewise.
2153 * gcc.c (fatal_ice): New function.
2154 (execute): Use it instead of fatal.
2155 (fancy_abort): Likewise.
2156 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2158 2006-03-22 Jeff Law <law@redhat.com>
2160 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2161 iv_analyze_result returning false.
2163 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2165 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2167 2006-03-22 Richard Henderson <rth@redhat.com>
2170 * except.c (duplicate_eh_regions_0): New.
2171 (duplicate_eh_region_1): Duplicate the children of the node as
2172 well as the node itself. Link them up properly.
2173 (duplicate_eh_region_2): Merge into ...
2174 (duplicate_eh_regions): ... here. Take copy_region argument, and
2175 copy only a sub-tree if asked. Simplify copying and fixup.
2176 (eh_region_outer_p): New.
2177 * except.h (duplicate_eh_regions): Update decl.
2178 (eh_region_outer_p): Declare.
2179 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2180 (lower_omp_master): Likewise.
2181 (lower_omp_ordered): Likewise.
2182 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2183 (move_stmt_r): Use it to remap labels. Handle recursion vs
2184 remap_decls_p properly.
2185 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2186 (find_outermost_region_in_block): New.
2187 (new_label_mapper): New.
2188 (move_sese_region_to_fn): Copy eh information to the new function
2190 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2192 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2195 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2197 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2198 into shared libraries.
2200 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2202 * doc/md.texi: Refer to i386/constraints.md instead of
2204 * config/i386/constraints.md: New file, extracted from...
2205 * config/i386/predicates.md: ...here.
2206 * config/i386/i386.md: Include constraints.md.
2208 2006-03-21 Jason Merrill <jason@redhat.com>
2210 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2213 * expr.c (init_block_move_fn): Force default visibility.
2214 (init_block_clear_fn): Likewise.
2215 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2216 * targhooks.c (default_external_stack_protect_fail): Likewise.
2218 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2220 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2221 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2222 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2223 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2224 (loadgp): Use mips_current_loadgp_style.
2225 (loadgp_noshared): New pattern.
2226 (sibcall_internal): Use MIPS_CALL.
2227 (sibcall_value_internal): Likewise.
2228 (sibcall_value_multiple_internal): Likewise.
2229 (call_internal): Likewise.
2230 (call_value_internal): Likewise.
2231 (call_value_multiple_internal): Likewise.
2232 (call_split): Use MIPS_CALL and add an 'S' constraint.
2233 (call_value_split): Likewise.
2234 (call_value_multiple_split): Likewise.
2235 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2236 (-mshared): New option.
2237 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2238 (mips_current_loadgp_style): Declare.
2239 * config/mips/mips.c (mips_classify_symbol): Avoid using
2240 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2241 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2242 TARGET_ABSOLUTE_ABICALLS.
2243 (override_options): Adjust comments. Improve the warning that is
2244 issued when -mabicalls and -G are used together.
2245 (mips_file_start): Remove comment.
2246 (mips_current_loadgp_style): New function.
2247 (mips_gnu_local_gp): New variable.
2248 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2250 (mips_output_function_prologue): Use mips_current_laodgp_style.
2251 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2252 the cprestore instruction.
2253 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2254 live for TARGET_ABSOLUTE_ABICALLS.
2255 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2256 (ASM_SPEC): Pass down -mshared and -mno-shared.
2257 (MIPS_CALL): New macro.
2258 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2260 * doc/invoke.texi (-mabicalls): Update documentation.
2261 (-mshared): Document.
2263 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2265 * config/ia64/unwind-hpux.c: New file.
2266 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2268 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2271 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2273 2006-03-21 Jeff Law <law@redhat.com>
2275 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2276 type conversions of a VR_VARYING source to a wider type.
2278 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2280 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2281 tm_file on Solaris 10 and later.
2282 (sparc64-*-solaris2*): Likewise.
2283 (sparc-*-solaris2*): Likewise.
2284 * config/sol26.h: Rename to config/sol2-6.h.
2285 * config/sol2-10.h: New file.
2287 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2290 * tree-ssa-pre.c (create_component_ref_by_pieces):
2293 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2296 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2297 return it immediately.
2299 2006-03-21 Michael Matz <matz@suse.de>
2301 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2303 (remove_arc, add_arc): Update num_out_arcs member.
2304 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2306 (cache_presence): New function.
2307 (compare_states_for_equiv): New function.
2308 (state_is_differed): Don't take number of outargs, adjust callers.
2309 Use new invariant for speeding up.
2310 (init_equiv_class): Create initial classes based on sorted
2312 (partition_equiv_class): Don't track out_arcs_num.
2313 (evaluate_equiv_classes): Call cache_presence on all states and
2316 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2318 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2319 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2320 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2321 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2323 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2324 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2325 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2326 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2327 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2329 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2330 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2331 (REGNO_REG_CLASS): ARGP is in PREGS.
2332 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2334 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2335 to deal with those addresses.
2336 * addresses.h: New file.
2337 * caller-save.c: Include "addresses.h".
2338 (init_caller_save): Use new base_reg_class function.
2339 * rtl-factoring.c: Include "addresses.h".
2340 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2341 * recog.c: Include "addresses.h".
2342 (preprocess_constraints): Use new base_reg_class function.
2343 * regrename.c: Include "addresses.h".
2344 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2345 functions. Keep track of a new var INDEX_CODE to compute valid
2347 (replace_oldest_value_addr): Likewise.
2348 (replace_oldest_value_mem): Use base_reg_class.
2349 * reload.c: Include "addresses.h".
2350 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2351 (find_reloads): Use new base_reg_class function.
2352 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2353 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2354 all callers and prototype changed.
2355 * reload1.c: Include "addresses.h".
2356 (maybe_fix_stack_asms): Use base_reg_class.
2357 * regclass.c: Include "addresses.h".
2358 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2359 (init_reg_autoinc): Use new base_reg_class function.
2360 (record_reg_classes): Likewise.
2361 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2362 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2363 Use new args to compute necessary class.
2365 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2366 regrename.o, rtl-factoring.o): Update dependencies.
2367 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2368 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2369 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2370 REG_OK_FOR_INDEX_P): Delete documentation.
2372 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2374 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2375 from V7 to V9 for Solaris 7 and above.
2377 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2379 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2380 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2381 argument pointers may not alias any other storage.
2382 * common.opt: Define option -fargument-noalias-anything.
2383 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2384 alias semantics is specified by flag_argument_noalias > 2.
2386 2006-03-20 Jeff Law <law@redhat.com>
2388 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2389 (pass_phi_only_cprop): Declare.
2390 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2392 * tree-ssa-dom.c (degenerate_phi_result): New function.
2393 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2394 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2395 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2396 (eliminate_degenerate_phis): Likewise.
2397 (pass_phi_only_cprop): New pass descriptor.
2398 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2399 support code. Callers updated.
2400 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2401 (store_copy_prop): Likewise.
2402 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2404 2006-03-20 Jason Merrill <jason@redhat.com>
2407 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2408 (push_visibility, pop_visibility): Likewise.
2409 * c-pragma.h: Declare them.
2411 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2413 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2415 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2416 parameter and use get_ebb_head_tail.
2417 (sh_md_init_global): Adjust uses of find_regmode_weight.
2419 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2421 * function.h (struct function) <x_tail_recursion_reentry>:
2422 Rename to x_stack_check_probe_note.
2423 (tail_recursion_reentry): Rename to stack_check_probe_note.
2424 * function.c: Replace tail_recursion_reentry with
2425 stack_check_probe_note everywhere.
2426 (expand_function_start): Only emit a note for
2427 stack_check_probe_note with -fstack-protect.
2428 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2430 * emit-rtl.c (remove_unnecessary_notes): Remove.
2431 (pass_remove_unnecessary_notes): Remove.
2432 * rtl.h (remove_unnecessary_notes): Remove prototype.
2433 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2434 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2435 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2437 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2440 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2441 (valid_in_set): Handle ARRAY_REF.
2442 Change "if min_variant or VH" to asserts.
2443 (create_component_ref_by_pieces): Handle ARRAY_REF.
2444 (create_expression_by_pieces): Likewise.
2445 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2447 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2449 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2450 is operand of switch, not str[0].
2452 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2454 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2455 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2457 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2459 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2460 end of insn_extra_address_constraint declaration.
2462 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2464 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2465 (no-sum-in-toc): Same.
2466 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2468 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2469 NO_FP_IN_TOC for -fPIC instead of mask.
2471 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2472 (BOOT_LDFLAGS): Delete.
2474 * config/rs6000/t-aix52: Same.
2476 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2477 (stmsi[345678]_power): New.
2479 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2481 * config/ia64/ia64.opt: Add empty line to end of file.
2483 2006-03-17 Richard Guenther <rguenther@suse.de>
2486 * builtins.c (get_pointer_alignment): For component style references
2487 adjust alignment to the component type alignment. Make sure
2488 to adjust alignment for component access of constants.
2490 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2492 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2495 2006-03-17 Paul Brook <paul@codesourcery.com>
2497 * doc/install.texi: Docuemnt --with-mode.
2498 * config.gcc: Add --with-mode for arm*-*-*.
2499 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2501 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2503 * sh.c (max_labelno_before_reorg): New variable.
2504 (sh_reorg): Initialize it.
2505 (find_barrier): Check max_labelno_before_reorg before using
2506 label_to_alignment. Take length of explicit alignment insns
2507 into account. When seeing a UNSPECV_CONST_END, return it.
2509 * sh.c (fixup_mova): Set mode of affected label to QImode.
2510 (untangle_mova): New function.
2511 (find_barrier): Use it. Check mode of label before decrementing
2513 (sh_reorg): Likewise.
2514 Set mode of all insns back to VOIDmode.
2516 * sh.c (MOVA_LABELREF): New macro.
2517 (mova_p, fixup_mova, sh_reorg): Use it.
2518 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2519 ADDR_DIFF_VEC matches mova.
2521 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2523 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2524 with ATTRIBUTE_UNUSED.
2526 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2528 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2529 pointer, instead of assuming it is possible to derive the
2530 correct args size from a call insn.
2532 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2534 * rtl.h (CONST_INT_P): Define.
2535 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2536 instead of GET_CODE(x) == CONST_INT.
2537 (vax_rtx_costs): Likewise.
2538 (vax_output_int_move): Likewise.
2539 (vax_output_int_add): Likewise.
2540 (legitimate_constant_address_p): Likewise.
2541 (index_term_p): Likewise.
2542 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2543 * config/vax/vax.md (and<mode>3): Likewise.
2544 (ashrsi3): Likewise.
2546 (movstricthi): Likewise.
2547 (movstrictqi): Likewise.
2548 (rotrsi3): Likewise.
2549 (five unnamed insns): Likewise.
2551 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2553 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2554 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2555 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2556 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2557 Pass to ASM_OUTPUT_DWARF_OFFSET.
2558 * dwarf2out.c (debug_frame_section): New.
2559 (output_call_frame_info): Use debug_frame_section. Pass it to
2560 dw2_asm_output_offset.
2561 (output_die): Pass appropriate section to dw2_asm_output_offset.
2562 (output_compilation_unit_header): Likewise.
2563 (output_pubnames): Likewise.
2564 (output_aranges): Likewise.
2565 (enum dw_val_class): Break dw_val_class_lbl_offset into
2566 dw_val_class_lineptr and dw_val_class_macptr.
2567 (add_AT_lbl_offset): Delete.
2568 (add_AT_lineptr): New.
2569 (add_AT_macptr): New.
2570 (AT_lbl): Expect a lineptr or macptr.
2571 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2572 (attr_checksum): Likewise.
2573 (same_dw_val_p): Likewise.
2574 (size_of_die): Likewise.
2575 (value_format): Likewise.
2576 (output_die): Likewise.
2577 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2579 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2580 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2581 * config/darwin-protos.h (darwin_file_start): New.
2582 (darwin_asm_output_dwarf_offset): New.
2583 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2584 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2586 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2587 if not EH section; simplify.
2588 (darwin_file_start): New.
2589 (darwin_asm_output_dwarf_offset): New.
2590 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2592 (DEBUG_INFO_SECTION): Likewise.
2593 (DEBUG_ABBREV_SECTION): Likewise.
2594 (DEBUG_ARANGES_SECTION): Likewise.
2595 (DEBUG_MACINFO_SECTION): Likewise.
2596 (DEBUG_LINE_SECTION): Likewise.
2597 (DEBUG_LOC_SECTION): Likewise.
2598 (DEBUG_PUBNAMES_SECTION): Likewise.
2599 (DEBUG_STR_SECTION): Likewise.
2600 (DEBUG_RANGES_SECTION): Likewise.
2601 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2602 (ASM_OUTPUT_DWARF_OFFSET): New.
2604 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2606 * config.gcc (tm_defines): Always add to previous value rather
2609 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2611 * config/mips/predicates.md (splittable_const_int_operand): New,
2612 split from move_operand.
2613 (splittable_symbolic_operand): New.
2614 (move_operand): Add commentary. Use splittable_const_int_operand.
2615 Inline mips_atomic_symbolic_constant_p.
2616 * config/mips/mips.md: Add combine splitters for handling moves
2617 of splittable_const_int_operands and splittable_symbolic_operands.
2618 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2619 (mips_split_symbol): Declare.
2620 (mips_move_integer): Declare.
2621 * config/mips/mips.c (mips_split_p): Make global.
2622 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2623 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2624 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2625 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2626 (mips_offset_within_object_p): Handle block symbols.
2627 (mips_atomic_symbolic_constant_p): Delete.
2628 (mips_cannot_force_const_mem): Return false for constants that
2629 mips_legitimize_move can handle.
2630 (mips_use_blocks_for_constant_p): New function.
2631 (mips_split_symbol): Make global.
2632 (mips_move_integer): Likewise. Add a temporary register argument.
2633 (mips_legitimize_const_move): Use splittable_const_int_operand and
2634 splittable_symbolic_operand.
2635 (mips_use_anchors_for_symbol_p): New function.
2636 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2637 (mips_split_p): Declare.
2639 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2641 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2642 (mips*-*-linux*): Likewise.
2644 2006-03-16 Roger Sayle <roger@eyesopen.com>
2645 Daniel Speyer <dspeyer@wam.umd.edu>
2648 * tree-dump.c (dump_real): New function.
2649 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2650 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2651 (tree-dump.o): Add $(REAL_H) to the dependencies.
2653 2006-03-16 Roger Sayle <roger@eyesopen.com>
2656 * real.c (real_from_string): If the mantissa is zero, don't bother
2657 parsing the exponent as the result should always be zero.
2659 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2661 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2663 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2665 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2666 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2667 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2668 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2669 ia64_sched_finish_global): New static functions to implement
2670 hooks from gcc_target.sched.
2671 (spec_check_no, max_uid, pending_data_specs): New static variables.
2672 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2673 ia64_spec_check_src_p): New static functions.
2674 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2675 (TARGET_SCHED_ADJUST_COST): Removed.
2676 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2677 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2678 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2679 TARGET_SCHED_GEN_CHECK,
2680 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2681 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2682 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2683 Fixed to handle speculation checks.
2684 (rtx_needs_barrier): Fixed to handle speculative loads and
2686 (ia64_variable_issue): Added code to count speculative loads and their
2688 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2690 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2692 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2694 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2695 (ia64_reorg): Reset stops_p to NULL after it is freed.
2696 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2697 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2698 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2700 (data_speculative, control_speculative, check_load): New attributes.
2701 (mov<mode>_advanced, mov<mode>_speculative,
2702 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2703 zero_extend<mode>di2_speculative,
2704 zero_extend<mode>di2_speculative_advanced): New patterns for
2705 data and control speculative loads.
2706 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2708 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2709 New pattern for data and control speculation checks.
2710 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2711 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2712 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2713 Auxiliary definitions for the patterns.
2714 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2715 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2717 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2719 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2720 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2721 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2722 New resource constraints.
2723 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2725 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2726 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2727 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2728 msched-in-control-spec, msched-ldc, msched-control-ldc,
2729 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2730 msched-prefer-non-control-spec-insns,
2731 msched-count-spec-in-critical-path): New flags to tune speculative
2733 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2734 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2735 msched-in-control-spec, msched-ldc, msched-control-ldc,
2736 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2737 msched-prefer-non-control-spec-insns,
2738 msched-count-spec-in-critical-path): Document new flags.
2740 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2742 * target.h (struct spec_info_def): New opaque declaration.
2743 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2744 speculate_insn, needs_block_p, gen_check,
2745 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2746 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2747 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2748 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2749 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2750 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2752 (TARGET_SCHED): Use new macros.
2753 * rtl.h (copy_DEPS_LIST_list): New prototype.
2754 * sched-int.h (struct sched_info): Change signature of new_ready field,
2755 adjust all initializations. New fields: add_remove_insn,
2756 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2757 region_head_or_leaf_p.
2758 (struct spec_info_def): New structure declaration.
2759 (spec_info_t): New typedef.
2760 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2761 recovery_block, orig_pat.
2762 (glat_start, glat_end): New variables declaraions.
2763 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2765 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2766 DETACH_LIFE_INFO, USE_GLAT.
2767 (enum SPEC_SCHED_FLAGS): New enumeration.
2768 (NOTE_NOTE_BB_P): New macro.
2769 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2770 attach_life_info, debug_spec_status, check_reg_live): New functions.
2771 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2772 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2774 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2775 * ddg.c (get_block_head_tail): Adjust all uses.
2776 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2777 (sms_sched_info): Initialize new fields.
2778 (contributes_to_priority): Removed.
2779 * haifa-sched.c (params.h): New include.
2780 (get_block_head_tail): Adjust all uses.
2781 (ISSUE_POINTS): New macro.
2782 (glat_start, glat_end): New global variables.
2783 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2784 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2785 old_last_basic_block, before_recovery, current_sched_info_var,
2786 rgn_n_insns, luid): New static variables.
2787 (insn_cost1): New function. Move logic from insn_cost to here.
2788 (find_insn_reg_weight1): New function. Move logic from
2789 find_insn_reg_weight to here.
2790 (reemit_notes, move_insn, max_issue): Change signature.
2791 (move_insn1): Removed.
2792 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2793 extend_bb): New static functions to support extension of scheduler's
2795 (generate_recovery_code, process_insn_depend_be_in_spec,
2796 begin_speculative_block, add_to_speculative_block,
2797 init_before_recovery, create_recovery_block, create_check_block_twin,
2798 fix_recovery_deps): New static functions to support
2799 generation of recovery code.
2800 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2801 restore_bb_notes, move_block_after_check, move_succs): New static
2802 functions to support ebb scheduling.
2803 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2804 functions to support handling of register live information.
2805 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2806 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2807 add_jump_dependencies): New static functions.
2808 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2809 consistancy checking.
2810 (debug_spec_status): New function to call from debugger.
2811 (priority): Added code to handle speculation checks.
2812 (rank_for_schedule): Added code to distinguish speculative instructions.
2813 (schedule_insn): Added code to handle speculation checks.
2814 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2815 Fixed to handle ebbs.
2816 (move_insn): Added code to handle ebb scheduling.
2817 (max_issue): Added code to use ISSUE_POINTS of instructions.
2818 (choose_ready): Added code to choose between speculative and
2819 non-speculative instructions.
2820 (schedule_block): Added code to handle ebb scheduling and scheduling of
2821 speculative instructions.
2822 (sched_init): Initialize new variables.
2823 (sched_finish): Free new variables. Print statistics.
2824 (try_ready): Added code to handle speculative instructions.
2825 * lists.c (copy_DEPS_LIST_list): New function.
2826 * sched-deps.c (extend_dependency_caches): New function. Move logic
2827 from create_dependency_caches to here.
2828 (get_dep_weak, ds_merge): Make global.
2829 * genattr.c (main): Code to output prototype for
2830 dfa_clear_single_insn_cache.
2831 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2832 (output_dfa_clean_insn_cache_func): Code to output
2833 dfa_clear_single_insn_cache function.
2834 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2836 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2838 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2839 New static variables.
2840 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2841 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2843 (ebb_sched_info): Initialize new fields.
2844 (get_block_head_tail): Adjust all uses.
2845 (compute_jump_reg_dependencies): Fixed to use glat_start.
2846 (schedule_ebb): Code to remove unreachable last block.
2847 (schedule_ebbs): Added code to update register live information.
2848 * sched-rgn.c (region_sched_info): Initialize new fields.
2849 (get_block_head_tail): Adjust all uses.
2850 (last_was_jump): Removed. Adjust users.
2851 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2852 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2853 Implement new hooks.
2854 (check_dead_notes1): New static function.
2855 (struct region): New fields: dont_calc_deps, has_real_ebb.
2856 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2857 (BB_TO_BLOCK): Fixed to handle EBBs.
2858 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2859 (ebb_head): New static variable.
2860 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2861 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2863 (compute_dom_prob_ps): New assertion.
2864 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2865 global_live_at_start.
2866 (init_ready_list): New assertions.
2867 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2868 (new_ready): Add support for BEGIN_CONTROL speculation.
2869 (schedule_insns): Fixed code that updates register live information
2871 (schedule_region): Fixed to handle EBBs.
2872 (init_regions): Use extend_regions and check_dead_notes1.
2873 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2874 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2875 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2876 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2877 TARGET_SCHED_GEN_CHECK,
2878 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2879 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2880 * doc/invoke.texi (max-sched-insn-conflict-delay,
2881 sched-spec-prob-cutoff): Document.
2883 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2885 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2886 inter_tick, queue_index.
2887 (struct sched_info): Change signature of init_ready_list field.
2888 Adjust all initializations.
2889 (RESOLVED_DEPS): New access macro.
2890 (ready_add): Remove prototype.
2891 (try_ready): Add prototype.
2892 * sched-rgn.c (init_ready_list): Use try_ready.
2893 (schedule_region): Initialize
2894 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2895 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2896 (init_ready_list): Use try_ready.
2897 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2898 * lists.c (remove_list_elem): Remove `static'.
2899 (remove_free_INSN_LIST_elem): New function.
2900 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2901 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2902 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2904 (readyp): New variable.
2905 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2906 change_queue_index, resolve_dep): New static functions.
2907 (try_ready): New function. Adjust callers in sched-rgn.c and
2908 sched-ebb.c to use it instead of ready_add.
2909 (clock_var): Move at the begining of file.
2910 (rank_for_schedule): Fix typo.
2911 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2912 (ready_lastpos): Enforce assertion.
2913 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2915 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2916 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2917 (queue_to_ready): Use free_INSN_LIST_list.
2918 (early_queue_to_ready): Fix typo.
2919 (schedule_block): Init readyp. Move init_ready_list call after the
2920 initialization of clock_var. Fix error in rejecting insn by
2921 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2922 that previously corrected INSN_TICKs. Add code for handling
2924 (set_priorities): Fix typo.
2925 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2926 Clarify comment and code that keeps current_sched_info->next_tail
2929 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2931 * sched-rgn.c (extend_rgns): New static function.
2932 (find_rgns): Use it.
2933 (gather_region_statistics, print_region_statistics): New static
2935 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2936 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2938 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2939 Andrey Belevantsev <abel@ispras.ru>
2941 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2942 * lists.c (unused_deps_list): New variable.
2943 (free_list): Add assertions to verify the proper distinguishing
2944 between INSN_LISTs and DEPS_LISTs.
2945 (find_list_elem, remove_list_elem, remove_list_node): New static
2947 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2948 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2949 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2950 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2952 (free_INSN_LIST_node): Likewise.
2953 * modulo-sched.c (current_sched_info): Initialize flags field.
2954 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2955 * rtl.def (DEPS_LIST): Define.
2956 * rtl.h: Declare new functions from lists.c.
2957 * sched-deps.c (spec_dependency_cache): New static variable.
2958 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2959 (add_dependence): Change return type to void. Move the logic to ...
2960 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2961 (delete_all_dependences): Add comment about forward_dependency_cache.
2962 Handle spec_dependency_cache. Handle DEPS_LISTs.
2963 (fixup_sched_groups): Clarify the change of priority of output
2964 and anti dependencies.
2965 (sched_analyze_2): Adjust add_dependence calls to create data
2966 speculative dependence.
2967 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2968 Adjust all callers. Handle DEPS_LISTS.
2969 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2970 presence of speculation.
2971 (init_dependency_caches, free_dependency_caches):
2972 Handle spec_dependency_cache.
2973 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2974 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2975 New static functions.
2976 (add_or_update_back_dep, add_or_update_back_forw_dep,
2977 add_back_forw_dep, delete_back_forw_dep): New functions.
2978 * sched-int.h (ds_t, dw_t): New typedefs.
2979 (struct sched_info): Add new field flags.
2980 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2981 Prototype new sched-deps.c functions.
2982 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2983 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2984 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2985 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2986 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2987 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2989 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2991 * sched-rgn.c (current_sched_info): Initialize flags field.
2992 (schedule_insns): Initialize current_sched_info before the sched_init
2994 * sched-ebb.c (current_sched_info): Initialize flags field.
2995 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2996 Call add_or_update_back_dep instead of add_dependence.
2997 Create control speculative dependencies.
2998 (schedule_insns): Initialize current_sched_info before the sched_init
3001 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3003 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3005 (sh_fallback_frame_state): Likewise.
3007 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3009 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3010 Do switch on default_use_cxa_atexit.
3011 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3012 * config/darwin-crt3.o: New.
3013 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3014 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3015 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3017 * config/rs6000/t-darwin: Move crt2.o building to here.
3018 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3019 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3022 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3024 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3025 from '! xxx' to '!xxx' for coding-style conformance.
3026 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3027 (EXTRA_CONSTRAINT): Likewise.
3028 * config/vax/vax.md (four unnamed insns): Likewise.
3030 2006-03-15 Paul Brook <paul@codesourcery.com>
3032 * config/arm/arm.c (minipool_pad): New.
3033 (add_minipool_forward_ref): Include pool alignment padding in address
3035 (push_minipool_fix): Set minipool_pad.
3036 (minipool_pad): Ditto.
3038 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3040 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3041 instead of GET_CODE() == MEM and REG_P() instead of
3043 (print_operand_address): Likewise.
3044 (vax_address_cost): Likewise.
3045 (vax_rtx_costs): Likewise.
3046 (vax_notice_update_cc): Likewise.
3047 (vax_output_int_add): Likewise.
3048 (INDEX_REGISTER_P): Likewise.
3049 (BASE_REGISTER_P): Likewise.
3050 (nonindexed_address_p): Likewise.
3051 (vax_mode_dependent_address_p): Likewise.
3052 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3053 (PRINT_OPERAND): Likewise.
3054 * config/vax/vax.md (ashlsi3): Likewise.
3055 (ashlsi3): Likewise.
3056 (some more unnamed insns): Likewise.
3058 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3060 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3061 iterator-style macro.
3062 (mark_control_dependent_edges_necessary): Update the use of
3063 EXECUTE_IF_CONTROL_DEPENDENT.
3065 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3067 * config/sh/predicates.md (cache_address_operand): Special.
3068 (ua_address_operand): Likewise.
3070 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3072 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3074 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3076 2006-03-15 Andreas Schwab <schwab@suse.de>
3078 * gensupport.c (identify_predicable_attribute): Don't free p_false
3079 when it is still in use.
3081 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3083 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3084 the default setting here.
3086 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3088 * tree-pass.h (pass_cfg): Remove.
3089 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3090 * passes.c (pass_cfg): Don't run it.
3092 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3094 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3095 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3097 (stack_regs_mentioned): Update the uses of
3098 stack_regs_mentioned_data. Don't access the array beyond its
3100 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3101 Don't include gt-reg-stack.h.
3103 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3104 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3106 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3109 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3112 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3114 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3116 2006-03-14 Richard Guenther <rguenther@suse.de>
3118 PR tree-optimization/26672
3119 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3122 2006-03-14 Richard Guenther <rguenther@suse.de>
3124 PR tree-optimization/26667
3125 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3126 node for the callees. Always allow inlining if it will shrink
3129 2006-03-14 Richard Guenther <rguenther@suse.de>
3132 * builtins.c (get_pointer_alignment): Prefer alignment
3133 information from decls over that from types.
3135 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3138 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3140 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3142 * config/rs6000/rs6000.opt (mdlmzb): New option.
3143 (msched-prolog, msched-epilog): Use Var not Mask.
3144 * doc/invoke.texi (-mdlmzb): Document.
3145 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3147 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3148 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3150 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3152 PR rtl-optimization/25739
3153 * bt-load.c (augment_live_range): Free tos pointer.
3155 * gensupport.c (identify_predicable_attribute): Free
3157 * gcov.c (create_file_names): Free name pointer.
3159 2006-03-13 Roger Sayle <roger@eyesopen.com>
3162 * stmt.c (emit_case_nodes): Handle the case where the index is a
3163 CONST_INT, where the comparison mode is specified by the index type.
3165 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3167 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3170 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3172 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3173 (*branch_fp_inverted): Likewise.
3175 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3178 * omp-low.c (expand_omp_for_generic): Mark istart0
3179 and iend0 as addressable.
3181 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3183 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3185 2006-03-13 Jeff Law <law@redhat.com>
3187 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3188 virtual operands are interesting.
3189 (vrp_visit_stmt): Corresponding changes.
3191 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3193 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3195 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3196 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3197 * config/bfin/crti.S: Use it instead of __PIC__.
3198 * config/bfin/crtn.S: Likewise.
3200 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3201 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3203 Lose 'G' modifier for call operand.
3204 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3205 recognize 'G' modifier.
3207 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3210 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3211 * stmt.c (expand_case): Likewise.
3213 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3215 PR rtl-optimization/26254
3216 * loop-invariant.c (seq_insns_valid_p): New function.
3217 (move_invariant_reg): Only emit new code if it is valid.
3219 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3221 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3223 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3224 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3225 (commit_one_edge_insertion): Do not look for loop notes.
3227 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3229 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3230 flag_test_coverage out of loop.
3232 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3234 * final.c (shorten_branches): Remove outdated comment, and turn
3235 the if branch that guards it to continue.
3237 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3239 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3240 * cfgloop.h (struct loop): Remove unused fields.
3242 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3244 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3245 (-dL, -fdump-rtl-loop2): Update the dump file names
3247 * doc/invoke.texi: Update dump file names.
3249 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3251 * predict.c (estimate_probability): Remove.
3252 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3253 * basic-block.h (estimate_probability): Remove prototype.
3254 * passes.c (finish_optimization_passes): Dump branch prediction or
3255 profiling heuristics to the .profile tree dump.
3256 (init_optimization_passes): Unqueue pass_branch_prob.
3258 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3260 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3262 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3263 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3265 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3267 * function.h (frame_offset_overflow): Declare.
3268 * function.c (frame_offset_overflow): New function.
3269 (assign_stack_local_1): Call it to detect that the offset overflows.
3270 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3272 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3274 * config/sh/sh.c: Include alloc-pool.h.
3275 (label_ref_list_pool): New alloc pool.
3276 (label_ref_list_t): New type for lists of labels.
3277 (struct pool_node): Make wend a label_ref_list_t.
3278 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3280 (dump_table): Likewise.
3281 (sh_reorg): Set up the alloc pool before using add_constant and
3282 dump_table, and destroy it when finishing.
3284 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3286 * config/mips/mips.c: Remove redundant comment.
3288 2006-03-10 Jason Merrill <jason@redhat.com>
3291 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3292 the target was declared 'register'.
3294 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3296 * genpreds.c (write_insn_constraint_len): Change definition of
3297 insn_constraint_len to return size_t to match the declaration.
3299 2006-03-10 DJ Delorie <dj@redhat.com>
3301 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3303 (m32c_expand_insv): Fix test for an AND mask.
3305 2006-03-10 Richard Guenther <rguenther@suse.de>
3308 * builtins.c (get_pointer_alignment): Handle component
3309 references for field alignment.
3311 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3313 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3314 when building with libgloss.
3315 (sh*elf): Implement --without-fp option.
3316 (sh64-superh-linux*): Don't multilib.
3318 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3320 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3322 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3324 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3325 Set it when one of the replacement functions returned true.
3326 Return TODO_cleanup_cfg if cfgchanged is true.
3327 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3329 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3331 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3332 instead of gen_lowpart.
3334 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3336 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3338 (mips_output_order_conditional_branch): Declare.
3339 * config/mips/mips.h (MIPS_BRANCH): New macro.
3340 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3341 for the comparison. Use gen_condjump.
3342 (mips_output_conditional_branch): Rework interface to take the
3343 asm templates for a direct branch and the inverse of a direct branch.
3344 (mips_output_order_conditional_branch): New function.
3345 (mips_builtin_branch_and_move): New function.
3346 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3347 branch condition. Use gen_single_cc as the condition for
3348 __builtin_mips_upper_* or __builtin_mips_lower_*.
3349 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3350 Use VOIDmode for the branch condition.
3351 * config/mips/predicates.md (order_operator): New predicate.
3352 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3353 (branch_fp): Rename to...
3354 (*branch_fp): ...this. Remove mode from comparison operator.
3355 Use new mips_output_conditional_branch interface.
3356 (branch_fp_inverted): Rename to...
3357 (*branch_fp_inverted): ...this and update as for *branch_fp.
3358 (*branch_zero<mode>): Rename to...
3359 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3360 Use mips_output_order_conditional_branch. Only accept ordered
3362 (*branch_zero<mode>_inverted): Rename to...
3363 (*branch_order<mode>_inverted): ...this and update as for
3364 *branch_order<mode>.
3365 (*branch_equality<mode>): Accept zero as the second operand to
3366 the equality operator. Use the new mips_output_conditional_branch
3368 (*branch_equality<mode>_inverted): Likewise.
3369 (condjump): New expander.
3370 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3372 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3373 (bc1any2t, bc1any2f): Likewise.
3374 (single_cc): New expander.
3375 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3377 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3379 * doc/md.texi: Update documentation of MIPS constraints.
3380 * config/mips/constraints.md: New file.
3381 * config/mips/mips.md: Include it.
3382 * config/mips/mips.c (mips_char_to_class): Delete.
3383 (override_options): Don't initialize mips_char_to_class.
3384 * config/mips/mips.h (mips_char_to_class): Delete.
3385 (REG_CLASS_FROM_LETTER): Delete.
3386 (CONST_OK_FOR_LETTER_P): Delete.
3387 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3388 (EXTRA_CONSTRAINT_Y): Delete.
3389 (EXTRA_CONSTRAINT_STR): Delete.
3390 (CONSTRAINT_LEN): Delete.
3391 (EXTRA_MEMORY_CONSTRAINT): Delete.
3393 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3395 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3396 original fn's eh regions.
3398 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3400 * fold-const.c (build_range_check): Make sure to use a valid type to
3401 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3404 (range_predecessor): New static function.
3405 (range_successor): Likewise.
3406 (merge_ranges): Use them to compute predecessors and successors of
3409 2006-03-09 Roger Sayle <roger@eyesopen.com>
3412 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3413 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3415 2006-03-08 DJ Delorie <dj@redhat.com>
3417 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3418 (addpsi3): Expand to include memory operands. Remove
3419 reload-specific splits.
3420 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3421 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3422 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3423 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3424 (shift1_qi, shift1_hi, insv): New.
3425 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3426 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3427 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3429 * config/m32c/m32c-protos.h: Update as needed.
3430 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3431 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3432 Fail for unrecognized R* constraints.
3433 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3434 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3435 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3437 (m32c_init_libfuncs): New.
3438 (m32c_legitimate_address_p): Add debug wrapper.
3439 (m32c_rtx_costs): New.
3440 (m32c_address_cost): New.
3441 (conversions): Add 'B' prefix.
3442 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3443 operands, or word regnames for QI operands. 'B' prints bit
3445 (m32c_expand_setmemhi): New.
3446 (m32c_expand_movmemhi): New.
3447 (m32c_expand_movstr): New.
3448 (m32c_expand_cmpstr): New.
3449 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3450 (m32c_expand_neg_mulpsi3): Handle non-ints.
3451 (m32c_cmp_flg_0): New.
3452 (m32c_expand_movcc): New.
3453 (m32c_expand_insv): New.
3454 (m32c_scc_pattern): New.
3455 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3456 a0/a1 out of SIregs.
3457 (STORE_FLAG_VALUE): New.
3458 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3461 * config/m32c/mov.md: Make constraints more liberal.
3462 (zero_extendqihi2): Optimize r0/r1 case.
3463 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3464 * config/m32c/predicates.md (m32c_any_operand): New.
3465 (m32c_nonimmediate_operand): New.
3466 (m32c_hl_operand): New.
3467 (m32c_r3_operand): New.
3470 (memsym_operand): New.
3471 (memimmed_operand): New.
3472 (a_qi_operand): New.
3473 (m32c_eqne_operator): New.
3474 (m32c_1bit8_operand): New.
3475 (m32c_1bit16_operand): New.
3476 (m32c_1mask8_operand): New.
3477 (m32c_1mask16_operand): New.
3478 * config/m32c/blkmov.md: New file.
3479 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3481 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3483 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3484 unsigned to fix signed/unsigned comparison issue in
3485 DWARF2_FRAME_REG_OUT.
3486 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3487 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3489 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3490 of ptr into the ENABLE_CHECKING section.
3492 2006-03-08 Jeff Law <law@redhat.com>
3494 * tree-vrp.c (infer_value_range): Only count pointer uses
3495 and dereferences if -fdelete-null-pointer-checks is enabled.
3497 * tree-vrp.c (find_assert_locations): Infer value ranges for
3498 single use pointers, but do not create ASSERT_EXPRs for them.
3499 When a non-null range is inferred for a pointer, backwards
3500 propagate that range to other equivalent pointers through the
3503 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3506 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3507 language hook targets.
3508 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3509 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3510 if language hook targets were missing.
3512 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3514 * tree-ssa-opfinalize.h: Removed.
3515 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3517 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3518 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3519 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3520 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3521 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3522 finalize_ssa_v_must_def_ops): New.
3524 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3526 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3529 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3531 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3533 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3534 addresses with offsets; reorganize.
3536 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3537 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3538 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3540 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3543 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3545 2006-03-08 Ben Elliston <bje@au.ibm.com>
3547 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3549 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3552 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3555 2006-03-07 Richard Guenther <rguenther@suse.de>
3557 PR tree-optimization/26587
3558 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3560 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3562 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3564 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3566 * hooks.c (hook_bool_mode_rtx_true): New function.
3567 * hooks.h (hook_bool_mode_rtx_true): Declare.
3568 * toplev.c (compile_file): Call output_shared_constant_pool.
3569 * varasm.c (shared_constant_pool): New variable.
3570 (assemble_start_function, assemble_end_function): Remove arguments
3571 from call to output_constant_pool.
3572 (create_constant_pool): New function, split out from...
3573 (init_varasm_status): ...here.
3574 (force_const_mem): Choose between the shared and per-function constant
3575 pools. Set current_function_uses_const_pool when reusing old entries
3576 as well as when creating new ones.
3577 (mark_constant): Ignore data argument.
3578 (mark_constants): Remove pool argument.
3579 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3580 to decide whether the function uses a constant pool.
3581 (output_constant_pool_contents): New function, split out from...
3582 (output_constant_pool): ...here.
3583 (output_shared_constant_pool): New function.
3584 (init_varasm_once): Initialize shared_constant_pool.
3585 * output.h (output_constant_pool): Delete.
3586 (output_shared_constant_pool): Declare.
3587 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3588 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3590 2006-03-06 Nick Clifton <nickc@redhat.com>
3592 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3593 flag_strength_reduce.
3595 2006-03-06 Ben Elliston <bje@au.ibm.com>
3597 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3598 x86_64-*-linux* configurations.
3600 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3601 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3603 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3605 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3607 * basic-block.h: Remove the extern for
3608 rediscover_loops_after_threading.
3610 * cfgloop.c (cancel_loop): Make it static.
3611 * cfgloop.h: Remove the prototype for cancel_loop.
3613 * flow.c (recompute_reg_usage): Make it static.
3614 * rtl.h: Remove the prototype for recompute_reg_usage.
3616 * function.c (use_return_register): Make it static.
3617 * function.h: Remove the prototype.
3619 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3621 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3623 * recog.h: Remove the prototype for
3624 validate_change_maybe_volatile.
3626 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3628 * rtlanal.c (replace_reg): Remove.
3629 * rtl.h: Remove the prototype for replace_reg.
3631 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3633 * regclass.c (reg_scan_update): Remove.
3634 (reg_scan_mark_refs): Remove the last argument.
3635 * rtl.h: Remove the prototype for reg_scan_update.
3637 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3639 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3640 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3641 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3642 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3643 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3644 loop-invariant.c, omp-low.c, opts.c, passes.c,
3645 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3646 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3647 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3648 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3649 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3650 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3652 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3654 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3655 * dwarf2out.h: Remove the prototype for
3656 dwarf2out_add_library_unit_info.
3658 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3660 * tree.c (add_var_to_bind_expr): Remove.
3661 * tree.h: Remove the prototype for add_var_to_bind_expr.
3663 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3665 * regclass.c (n_non_fixed_regs): Remove.
3666 (init_reg_sets_1, globalize_reg): Remove all uses of
3668 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3672 * rtlanal.c (insns_safe_to_move_p): Remove.
3673 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3675 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3677 * expmed.c (expand_mult_add): Remove.
3678 * expr.h: Remove the prototype for expand_mult_add.
3680 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3682 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3683 and REG_SAVED_VAL_EXP constants.
3684 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3685 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3686 Handle regs stored by value.
3687 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3688 (execute_cfa_program): Handle DW_CFA_val_offset,
3689 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3690 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3691 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3692 (uw_install_context_1): Handle target regs stored by value.
3694 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3696 * tree-sra.c (tree_sra): Return todoflags;
3697 (generate_one_element): Set TODO_update_smt_usage if needed.
3698 (pass_sra): Remove TODO_update_smt_usage.
3699 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3701 (tree_ssa_forward_propagate_single_use_vars): Return
3702 TODO_update_smt_usage if we need to update SMT usage.
3703 (pass_forwprop): Remove TODO_update_smt_usage.
3705 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3707 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3708 (correct_use_link): Remove reference to get_stmt_operands.
3709 (update_stmt_operands): Likewise.
3710 (get_modify_expr_operands): New function factored out of
3711 parse_ssa_operands and get_expr_operands.
3712 Try to create V_MUST_DEFs for LHS by default.
3713 (get_expr_operands) <case MODIFY_EXPR>: Call
3714 get_modify_expr_operands.
3715 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3716 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3717 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3718 get_modify_expr_operands.
3720 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3722 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3723 * tree-flow.h: Remove the prototype for
3724 referenced_var_lookup_if_exists.
3726 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3728 PR rtl-optimization/26345
3730 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3732 2006-03-03 Roger Sayle <roger@eyesopen.com>
3734 PR tree-optimization/26524
3735 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3736 fold_convert to create a constant of the appropriate type.
3738 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3740 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3741 SYMBOL_REF_IN_BLOCK_P.
3742 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3743 of SYMBOL_FLAG_IN_BLOCK.
3744 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3745 instead of SYMBOL_REF_IN_BLOCK_P.
3746 * explow.c (use_anchored_address): Likewise.
3747 * rtl.c (rtx_size): Likewise.
3748 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3749 instead of SYMBOL_FLAG_IN_BLOCK.
3750 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3751 SYMBOL_REF_IN_BLOCK_P.
3752 (assemble_variable): Likewise.
3753 (output_constant_def_contents): Likewise.
3754 (output_constant_pool): Likewise.
3755 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3756 instead of SYMBOL_FLAG_IN_BLOCK.
3757 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3758 SYMBOL_REF_IN_BLOCK_P.
3759 (SYMBOL_REF_BLOCK): Likewise.
3760 (SYMBOL_REF_OFFSET): Likewise.
3761 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3762 SYMBOL_REF_IN_BLOCK_P.
3763 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3764 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3765 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3766 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3768 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3770 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3772 2006-03-02 Roger Sayle <roger@eyesopen.com>
3774 * simplify-rtx.c (simplify_unary_operation): When simplifying
3775 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3776 that we perform the right shift in the appropriate mode, and
3777 then extend or truncate the result to requested mode.
3779 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3781 * gengtype.c (main): Handle double_int type.
3782 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3783 * double-int.c: New file.
3784 * double-int.h: New file.
3785 * system.h: Include doubleint.h.
3786 * Makefile.in (SYSTEM_H): Include double-int.h.
3787 (double-int.o): Add.
3789 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3792 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3795 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3797 * tree-vrp.c (remove_range_assertions): Do not update statements
3800 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3802 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3804 * gcse.c (rest_of_handle_gcse): Ditto.
3805 * except.c (gate_handle_eh): Ditto.
3806 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3807 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3809 2006-03-02 Eric Christopher <echristo@apple.com>
3811 * config/i386/i386.c (machopic_output_stub): Add indirection to
3814 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3818 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3820 Sun Niagara specific optimizations.
3821 * config.gcc: Recognize niagara as target.
3822 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3823 (TARGET_CPU_niagara): Define.
3824 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3825 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3826 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3827 (ASM_CPU_SPEC): Likewise.
3828 (PROCESSOR_NIAGARA): New enum entry.
3829 (REGISTER_MOVE_COST): Handle Niagara.
3830 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3831 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3832 (sparc_override_options): Recognize "niagara", set appropriate
3833 default MASK_* values for it, and align functions to 32-bytes
3834 by default just like ULTRASPARC/ULTRASPARC3.
3835 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3836 (sparc64_initialize_trampoline): Likewise.
3837 (sparc_use_sched_lookahead): Use zero for niagara.
3838 (sparc_issue_rate): Use one for niagara.
3839 * config/sparc/niagara.md: New file.
3840 * config/sparc/sparc.md: Include it.
3841 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3842 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3843 when default cpu is niagara.
3844 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3845 (ASM_CPU_SPEC): Likewise.
3846 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3847 when default cpu is niagara.
3848 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3849 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3850 just like v9/ultrasparc/ultrasparc3.
3851 * doc/invoke.texi: Add documentation for "niagara" and improve
3852 existing documentation for ultrasparc variants.
3854 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3856 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3858 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3860 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3861 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3862 and say that only one is needed.
3863 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3864 * target.h (have_switchable_bss_sections): New hook.
3865 * explow.c (use_anchored_address): Check that the symbol is in a block.
3866 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3867 (bss_noswitch_section): New variables.
3868 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3869 (get_noswitch_section): New function.
3870 (get_block_for_section): Allow SECT to be null.
3871 (unlikely_text_section_p): Use SECTION_STYLE.
3872 (bss_initializer_p): New function.
3873 (get_variable_section): Move earlier in file. Take a new argument,
3874 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3875 Return one of the new *_sections in such cases.
3876 (get_block_for_decl): New function, extracting some logic from
3877 use_blocks_for_decl_p.
3878 (change_symbol_section): Remove in favor of...
3879 (change_symbol_block): ...this new function.
3880 (use_blocks_for_decl_p): Remove checks now performed by
3882 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3883 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3884 (emit_local, emit_bss, emit_common): ...these new functions.
3885 Return true if the alignment was honored.
3886 (emit_tls_common): New function.
3887 (asm_emit_uninitialised): Delete.
3888 (assemble_variable_noswitch): New function, split out from...
3889 (assemble_variable): ...here. Don't make decisions about common
3890 variables here. Globalize all public decls that go into non-common
3891 sections. Check whether SYMBOL_REF_BLOCK is null.
3892 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3893 (output_constant_pool): Likewise.
3894 (init_varasm_once): Initialize the new section variables.
3895 (have_global_bss_p): New function.
3896 (categorize_decl_for_section): Use bss_initializer_p.
3897 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3898 (place_block_symbol): Assert that the symbol must be in a block.
3899 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3900 (TARGET_INITIALIZER): Include it.
3901 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3902 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3903 (SECTION_MACH_DEP): Bump by two.
3904 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3905 (unnamed_section): Mention SECTION_UNNAMED in comment.
3906 (named_section): Likewise SECTION_NAMED.
3907 (noswitch_section_callback): New type.
3908 (noswitch_section): New structure.
3909 (section): Add a noswitch_section alternative.
3910 (SECTION_STYLE): New macro.
3911 (tls_comm_section, comm_section, lcomm_section): Declare.
3912 (bss_noswitch_section, have_global_bss_p): Declare.
3913 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3914 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3916 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3917 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3920 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3922 * gcc/tree-vrp.c (execute_vrp): Return value.
3923 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3924 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3925 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3926 (tree_lower_complex_O0): Ditto.
3927 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3928 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3929 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3930 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3931 (execute_tail_calls): Ditto.
3932 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3933 * gcc/tree.h (init_function_for_compilation): Ditto.
3934 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3935 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3936 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3937 * gcc/final.c (compute_alignments): Ditto.
3938 (rest_of_handle_final): Ditto.
3939 (rest_of_handle_shorten_branches): Ditto.
3940 (rest_of_clean_state): Ditto.
3941 * gcc/omp-low.c (execute_expand_omp): Ditto.
3942 (execute_lower_omp): Ditto.
3943 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3944 * gcc/ipa-reference.c (static_execute): Ditto.
3945 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3946 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3947 (rest_of_handle_machine_reorg): Ditto.
3948 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3949 * gcc/flow.c (recompute_reg_usage): Ditto.
3950 (rest_of_handle_remove_death_notes): Ditto.
3951 (rest_of_handle_life): Ditto.
3952 (rest_of_handle_flow2): Ditto.
3953 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3954 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3955 (do_ssa_store_ccp): Ditto.
3956 (execute_fold_all_builtins): Ditto.
3957 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3958 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3959 * gcc/ipa-pure-const.c (static_execute): Ditto.
3960 * gcc/cse.c (rest_of_handle_cse): Ditto.
3961 (rest_of_handle_cse2): Ditto.
3962 * gcc/web.c (rest_of_handle_web): Ditto.
3963 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3964 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3965 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3966 * gcc/tree-nrv.c (tree_nrv): Ditto.
3967 (execute_return_slot_opt): Ditto.
3968 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3969 (create_structure_vars): Ditto.
3970 * gcc/loop-init.c (rtl_loop_init): Ditto.
3971 (rtl_loop_done): Ditto.
3972 (rtl_move_loop_invariants): Ditto.
3973 (rtl_unswitch): Ditto.
3974 (rtl_unroll_and_peel_loops): Ditto.
3975 (rtl_doloop): Ditto.
3976 * gcc/gimple-low.c (lower_function_body): Ditto.
3977 (mark_used_blocks): Ditto.
3978 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3979 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3980 (cgraph_early_inlining): Ditto.
3981 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3982 * gcc/jump.c (cleanup_barriers): Ditto.
3983 (purge_line_number_notes): Ditto.
3984 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3985 (rest_of_handle_if_after_reload): Ditto.
3986 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3987 (tree_ssa_loop_im): Ditto.
3988 (tree_ssa_loop_unswitch): Ditto.
3989 (tree_vectorize): Ditto.
3990 (tree_linear_transform): Ditto.
3991 (tree_ssa_loop_ivcanon): Ditto.
3992 (tree_ssa_empty_loop): Ditto.
3993 (tree_ssa_loop_bounds): Ditto.
3994 (tree_complete_unroll): Ditto.
3995 (tree_ssa_loop_prefetch): Ditto.
3996 (tree_ssa_loop_ivopts): Ditto.
3997 (tree_ssa_loop_done): Ditto.
3998 * gcc/predict.c (tree_estimate_probability): Ditto.
3999 * gcc/recog.c (split_all_insns_noflow): Ditto.
4000 (rest_of_handle_peephole2): Ditto.
4001 (rest_of_handle_split_all_insns): Ditto.
4002 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4003 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4004 (rest_of_handle_stack_adjustments): Ditto.
4005 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4006 * gcc/function.c (instantiate_virtual_regs): Ditto.
4007 (init_function_for_compilation): Ditto.
4008 (rest_of_handle_check_leaf_regs): Ditto.
4009 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4010 (rest_of_handle_gcse): Ditto.
4011 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4012 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4013 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4014 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4015 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4016 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4017 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4018 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4019 * gcc/except.c (set_nothrow_function_flags): Ditto.
4020 (convert_to_eh_region_ranges): Ditto.
4021 (rest_of_handle_eh): Ditto.
4022 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4023 (remove_unnecessary_notes): Ditto.
4024 * gcc/except.h (set_nothrow_function_flags): Ditto.
4025 (convert_to_eh_region_ranges): Ditto.
4026 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4027 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4028 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4029 (execute_fre): Ditto.
4030 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4031 (rest_of_handle_jump2): Ditto.
4032 * gcc/tree-sra.c (tree_sra): Ditto.
4033 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4034 (execute_mudflap_function_decls): Ditto.
4035 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4036 (do_store_copy_prop): Ditto.
4037 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4038 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4039 * gcc/tree-ssa-forwprop.c
4040 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4041 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4042 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4043 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4044 (execute_late_warn_uninitialized): Ditto.
4045 * gcc/rtl.h (cleanup_barriers): Ditto.
4046 (split_all_insns_noflow): Ditto.
4047 (purge_line_number_notes): Ditto.
4048 (unshare_all_rtl): Ditto.
4049 (remove_unnecessary_notes): Ditto.
4050 (recompute_reg_usage): Ditto.
4051 (variable_tracking_main): Ditto.
4052 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4053 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4054 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4055 (execute_free_cfg_annotations): Ditto.
4056 (execute_fixup_cfg): Ditto.
4057 (execute_cleanup_cfg_pre_ipa): Ditto.
4058 (execute_cleanup_cfg_post_optimizing): Ditto.
4059 (execute_init_datastructures): Ditto.
4060 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4061 * gcc/combine.c (rest_of_handle_combine): Ditto.
4062 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4063 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4064 (rest_of_handle_reorder_blocks): Ditto.
4065 (rest_of_handle_partition_blocks): Ditto.
4066 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4067 * gcc/tree-profile.c (tree_profiling): Ditto.
4068 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4069 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4070 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4071 (rest_of_handle_sched2): Ditto.
4072 * gcc/basic-block.h (free_bb_insn): Ditto.
4073 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4074 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4075 (remove_useless_stmts): Ditto.
4076 (split_critical_edges): Ditto.
4077 (execute_warn_function_return): Ditto.
4078 (execute_warn_function_noreturn): Ditto.
4079 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4080 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4081 * gcc/passes.c (execute_one_pass): Run additional
4082 todos returned by execute function.
4083 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4086 2006-03-02 Richard Guenther <rguenther@suse.de>
4088 * tree-ssa-alias.c (find_used_portions): Consider taking
4089 the address as making the variable not write-only.
4091 2006-03-02 Nick Clifton <nickc@redhat.com>
4093 * config.gcc (default_use_cxa_atexit): Extend the description of
4094 this configure variable. Set its default value to "yes" for
4095 Linux, NetBSD and ELF targets on the assumption that they will
4096 use C libraries with the __cxa_atexit function.
4098 2006-03-02 Ben Elliston <bje@au.ibm.com>
4100 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4101 parameter as unused to suppress a build warning.
4103 2006-03-02 Ben Elliston <bje@au.ibm.com>
4105 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4108 2006-03-01 Roger Sayle <roger@eyesopen.com>
4111 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4112 declared name, the weak reference name, and the typeof name.
4113 (__gthrw): Avoid expanding the declared name suffix.
4114 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4116 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4118 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4120 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4121 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4122 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4123 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4124 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4125 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4126 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4127 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4128 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4129 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4130 (DW_END_default, DW_END_big, DW_END_little): New.
4131 (DW_END_lo_user, DW_END_hi_user): Define.
4132 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4133 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4134 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4137 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4139 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4141 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4143 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4145 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4147 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4148 to 'symbol_mem_tag'.
4150 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4153 2006-03-01 Roger Sayle <roger@eyesopen.com>
4155 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4157 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4160 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4161 MACHO_DYNAMIC_NO_PIC_P.
4162 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4164 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4167 * config/darwin-protos.h (darwin_asm_output_anchor):
4169 * config/darwin-sections.def (cstring_section):
4170 Add SECTION_MERGE to the flags.
4171 (literal4_section): Likewise.
4172 (literal8_section): Likewise.
4173 (objc_selector_refs_section): Likewise.
4174 (objc_cls_refs_section): Likewise.
4175 * config/darwin.c (darwin_asm_output_anchor): New
4177 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4179 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4181 Fix PR tree-optimization/26443
4182 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4183 to todo and PROP_tmt_usage to properties_destroyed.
4184 * tree-ssa-ccp.c (pass_ccp): Ditto.
4185 (pass_store_ccp): Ditto.
4186 * tree-ssa-dom.c (pass_dominator): Ditto.
4188 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4190 * tree-ssa-operands.c: Cleanup whitespace.
4191 (get_asm_expr_operands): Move before first invocation.
4192 (get_indirect_ref_operands): Likewise.
4193 (get_tmr_operands): Likewise.
4194 (get_call_expr_operands): Likewise.
4195 (append_def): Likewise.
4196 (append_use): Likewise.
4197 (append_v_may_def): Likewise.
4198 (append_v_must_def): Likewise.
4199 (add_call_clobber_ops): Likewise.
4200 (add_call_read_ops): Likewise.
4201 (add_stmt_operand): Likewise.
4202 (add_virtual_operand): Likewise.
4203 (build_ssa_operands): Likewise.
4205 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4210 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4211 with a call expr to ...
4212 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4214 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4216 * tree-vrp.c (extract_range_from_assert): Remove special
4217 handling for types with super-types.
4219 2006-03-01 Ben Elliston <bje@au.ibm.com>
4221 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4222 and powerpc64-*-linux* configurations.
4223 * config/t-dfprules: New file.
4225 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4226 Compile dfp-bit.c from the source directory using -DWIDTH and
4227 $DFP_CFLAGS to control the compilation of that file, rather than
4228 generating width-specific versions in the build directory.
4229 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4230 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4232 2006-02-28 Zack Weinberg <zackw@panix.com>
4234 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4237 2006-02-28 Eric Christopher <echristo@apple.com>
4239 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4240 Set up IN_LIBGCC definition of TARGET_64BIT.
4241 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4243 2006-02-28 Roger Sayle <roger@eyesopen.com>
4246 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4247 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4248 cases via the construction of "expr != 0".
4250 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4252 * alias.c (alias_invariant, alias_invariant_size): Remove.
4253 (record_base_value): Remove.
4254 (memrefs_conflict_p): Don't look at alias_invariant.
4255 (end_alias_analysis): Don't free it.
4256 * alias.h (record_base_value): Remove prototype.
4258 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4259 Adam Nemet <anemet@caviumnetworks.com>
4261 * rtl.h (truncated_to_mode): Declare it.
4262 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4263 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4264 (RTL_HOOKS_INITIALIZER): Include it.
4265 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4266 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4267 reg_truncated_to_mode.
4268 * rtlanal.c (truncated_to_mode): Define it.
4269 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4271 2006-02-28 Jeff Law <law@redhat.com>
4273 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4274 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4275 the range allowed by TYPE_PRECISION.
4277 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4279 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4281 PR tree-optimization/26419
4282 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4285 2006-02-27 Zack Weinberg <zackw@panix.com>
4287 * doc/md.texi: Fix typo in previous change.
4289 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4293 2006-02-27 Zack Weinberg <zackw@panix.com>
4295 * rtl.def (define_constraint, define_register_constraint)
4296 (define_memory_constraint, define_address_constraint): New MD forms.
4297 * gensupport.c (process_rtx): Put define_constraint etc on the
4299 * genpreds.c (process_define_predicate): Adjust comment. Validate
4300 the name, and call validate_exp to validate the expression.
4301 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4302 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4303 all callers changed.
4304 (validate_exp, needs_variable, struct constraint_data)
4305 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4306 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4307 (const_dbl_constraints, constraint_max_namelen)
4308 (have_register_constraints, have_memory_constraints)
4309 (have_address_constraints, have_address_constraints)
4310 (have_extra_constraints, have_const_int_constraints)
4311 (have_const_dbl_constraints, mangle, add_constraint)
4312 (process_define_constraint, process_define_register_constraint)
4313 (write_enum_constraint_num, write_lookup_constraint)
4314 (write_insn_constraint_len, write_regclass_for_constraint)
4315 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4316 (write_insn_extra_memory_constraint)
4317 (write_insn_extra_address_constraint)
4318 (write_satisfies_constraint_fns): New.
4319 (write_tm_preds_h): If we have new-style constraint definitions,
4320 prototype the functions generated from them, and define the
4321 old constraint interface (still used by generic code) in terms of
4323 (write_insn_preds_c): If we have new-style constraint definitions,
4324 generate all relevant functions from those definitions.
4325 (main): Handle define_constraint etc.
4326 * genoutput.c (struct constraint_data, indep_constraints)
4327 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4328 (mdep_constraint_len): New data structures and functions, defined
4329 #ifdef USE_MD_CONSTRAINTS.
4330 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4331 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4332 use new logic to validate operand constraints against constraint
4334 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4336 * defaults.h: If none of the old-style constraint macros are
4337 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4338 old-style macros; and poison REG_CLASS_FROM_LETTER,
4339 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4341 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4342 * doc/md.texi: Document new constraint-definition mechanism and the
4343 C interface it provides. Remove references to old mechanism
4344 elsewhere in the document.
4345 (Machine Constraints): Use pathnames relative to gcc directory,
4346 i.e. config/ARCH/FILE. Change i386 section to refer to
4347 config/i386/predicates.md; update that section to match docstrings.
4348 * doc/tm.texi: Move all documentation of the old constraint-
4349 definition macros to their own section, clearly mark as obsolete.
4351 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4352 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4354 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4355 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4356 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4358 (splits and peepholes): Use satisfies_constraint_*.
4359 * config/i386/i386.c (memory_address_length)
4360 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4362 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4364 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4365 scalar operation to be put back into the loop.
4367 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4370 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4371 (extract_cie_info): Handle S flag in augmentation string.
4372 (execute_cfa_program): If context->signal_frame, execute also
4373 fs->pc == context->ra instructions.
4374 (uw_frame_state_for): If context->signal_frame, don't subtract one
4375 from context->ra to find FDE.
4376 (uw_update_context_1): Set context->signal_frame to
4378 (_Unwind_GetIPInfo): New function.
4379 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4380 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4382 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4383 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4384 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4385 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4386 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4387 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4388 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4389 x86_64_fallback_frame_state): Set fs->signal_frame.
4390 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4391 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4392 (frob_update_context): Likewise. Workaround missing S flag in
4393 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4394 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4395 Remove the psw_addr + 1 hack.
4397 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4399 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4400 with aggregates here.
4401 (find_func_aliases): Remove code for &<aggregate> from here.
4403 2006-02-26 Roger Sayle <roger@eyesopen.com>
4405 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4406 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4407 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4410 2006-02-26 Roger Sayle <roger@eyesopen.com>
4413 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4415 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4417 * opts.c (decode_options): Do not handle flag_strength_reduce.
4418 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4419 and OPT_fstrength_reduce.
4420 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4421 flag_prefetch_loop_arrays for being nonzero.
4422 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4424 (fprefetch-loop-arrays-rtl): Removed.
4425 (flag_prefetch_loop_arrays): Do not specify the value.
4427 * doc/passes.texi: Update documentation of loop optimizer
4429 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4430 -frerun-loop-opt): Remove.
4432 2006-02-26 Richard Guenther <rguenther@suse.de>
4434 PR tree-optimization/26421
4435 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4436 in function calls that are ADDR_EXPRs as using the whole structure.
4438 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4440 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4441 * tree-pass.h (pass_loop_optimize): Remove.
4442 * passes.c (pass_loop_optimize): Never run it.
4443 * toplev.c (backend_init): Don't call init_loop.
4444 * opts.c (flag_loop_optimize_set): Remove.
4445 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4446 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4447 the old RTL loop optimizer when profiling enabled.
4448 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4449 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4450 pre-headers for the sake of the old RTL loop optimizer.
4451 * Makefile.in: Remove all references to loop.o.
4453 * doc/invoke.texi: Remove all references to -floop-optimize
4454 and -frerun-loop-opt.
4456 2006-02-26 Zack Weinberg <zackw@panix.com>
4458 * doc/md.texi (Machine Constraints): Refer to all files with paths
4459 relative to gcc directory (i.e. config/CPU/file). Add missing
4460 @table @code ... @end table to M32C subsection.
4462 2006-02-26 Roger Sayle <roger@eyesopen.com>
4464 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4466 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4468 2006-02-26 Roger Sayle <roger@eyesopen.com>
4469 James A. Morrison <phython@gcc.gnu.org>
4472 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4473 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4474 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4475 signedness of the shift operation.
4477 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4479 PR tree-optimization/26359
4480 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4482 2006-02-25 Roger Sayle <roger@eyesopen.com>
4484 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4485 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4486 as X == 0, and some symmetry related transformations.
4487 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4489 2006-02-25 Roger Sayle <roger@eyesopen.com>
4492 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4493 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4494 symmetry related transformations. Fold (X^C1) == C2 as
4497 2006-02-25 Juergen Weigert <jw@suse.de>
4498 Richard Guenther <rguenther@suse.de>
4500 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4502 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4504 * combine.c (gen_lowpart_or_truncate): Call
4505 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4507 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4509 * doc/invoke.texi: Move -fopenmp description to "Options for
4511 Remove reference to -lgomp.
4513 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4515 * doc/install.texi: Require GNU tar version 1.14.
4517 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4519 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4520 * doc/invoke.texi (C++ Dialect Options): Document
4521 -fno-use-cxa-get-exception-ptr.
4522 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4523 * configure: Regenerate.
4524 * c.opt (fuse-cxa-get-exception-ptr): New.
4525 * c-opts.c (c_common_handle_option): Handle
4526 OPT_fuse_cxa_get_exception_ptr.
4527 * c-common.c (flag_use_cxa_atexit): Update documentation.
4528 (flag_use_cxa_get_exception_ptr): New.
4529 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4530 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4532 (C_COMMON_OVERRIDE_OPTIONS): New.
4534 2006-02-24 Roger Sayle <roger@eyesopen.com>
4537 * combine.c (try_combine): Explicitly check whether GET_CODE is
4538 a SET or a CLOBBER, instead on checking that it isn't a USE.
4540 2006-02-24 Roger Sayle <roger@eyesopen.com>
4542 * fold-const.c (fold_comparison): New subroutine of fold_binary
4543 containing transformations common to both the equality and
4544 ordering relational operators, factored out of fold_binary.
4545 (fold_binary): Separate out the equality operators (EQ_EXPR
4546 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4547 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4548 transformations common to both.
4549 (fold_div_compare): Fix latent bugs in the previously unreachable
4550 LT_EXPR and GE_EXPR cases.
4552 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4554 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4555 decl libname for clog to __clog on AIX.
4557 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4559 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4562 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4563 output traceback table for thunks. Localise rs6000_stack_info call.
4565 2006-02-23 Roger Sayle <roger@eyesopen.com>
4566 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4568 * gthr-posix.h (__gthrw): Fix typo in comment.
4570 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4572 * doc/cpp.texi (Character sets): Document that we do support
4573 input files to be in any character set.
4575 2006-02-23 Jeff Law <law@redhat.com>
4577 * tree.h (PHI_ARG_NONZERO): Remove.
4578 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4579 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4580 node to the new node.
4582 PR tree-optimization/26425
4583 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4584 min/max, then assume its varying.
4586 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4588 PR rtl-optimization/26316
4589 * rtlanal.c (enum may_trap_p_flags): New.
4590 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4591 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4592 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4593 (may_trap_after_code_motion_p): New function.
4594 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4595 (find_invariant_insn): Use may_trap_after_code_motion_p.
4596 * rtl.h (may_trap_after_code_motion_p): Declare.
4598 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4600 * emit-rtl.c (immed_double_const): Cleanup.
4602 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4604 Fix PR tree-optimization/26376
4605 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4608 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4611 * gimplify.c (omp_add_variable): Guard variable size decl test with
4612 DECL_SIZE (decl) check.
4614 2006-02-23 Richard Guenther <rguenther@suse.de>
4617 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4618 like aggregate types.
4620 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4622 * configure.ac: Add --with{,out}-long-double-128 configure option.
4623 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4624 * configure: Rebuilt.
4625 * config.in: Rebuilt.
4626 * doc/install.texi (Options specification): Document
4627 --with-long-double-128.
4629 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4630 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4631 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4632 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4634 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4636 * config/s390/s390.c (override_options): Handle
4637 TARGET_DEFAULT_LONG_DOUBLE_128.
4639 * config/alpha/alpha.c (override_options): Handle
4640 TARGET_DEFAULT_LONG_DOUBLE_128.
4642 * config/sparc/sparc.c (sparc_override_options): Handle
4643 TARGET_DEFAULT_LONG_DOUBLE_128.
4645 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4647 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4648 (real-install-headers-tar, real-install-headers-cpio)
4649 (real-install-headers-cp): New targets.
4651 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4653 * tree.h (variable_section): Delete.
4654 * varasm.c (variable_section): Delete.
4656 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4658 * install.texi: Add notes on install.texi2html.
4659 (Building in parallel): Do not use footnotes.
4661 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4664 * doc/install.texi (Configuration): Document --disable-libgomp.
4666 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4668 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4670 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4672 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4673 (vec_extractv2df_0_sse): New.
4675 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4677 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4678 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4679 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4680 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4681 to the result of the expression.
4682 (def_cfa_1): Adjust.
4683 (frame_pointer_cfa_offset): Rename to...
4684 (frame_pointer_fb_offset): ... this. Adjust all uses.
4685 (convert_cfa_to_loc_list): Rename to...
4686 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4687 Pass it on to build_cfa_loc.
4688 (compute_frame_pointer_to_cfa_displacement): Rename to...
4689 (compute_frame_pointer_to_fb_displacement): ... this. New
4690 offset parameter. Use it in computation.
4691 (gen_subprogram_die): Compute cfa_fb_offset with the new
4692 macro, and use it to compute the fb loc list and the
4695 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4697 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4698 replaced with register_operand.
4699 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4700 non-DREG is expensive.
4701 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4702 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4705 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4707 * doc/install.texi2html: Use set -e.
4709 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4711 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4712 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4713 * doc/invoke.texi (-fshared-data): Delete.
4714 * common.opt (fshared-data): Delete.
4715 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4716 (assemble_static_space): Remove #if 0 code.
4717 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4718 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4719 * config/cris/cris.h: Remove FIXME.
4721 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4723 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4726 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4729 * combine.c (simplify_shift_const_1): Disable nested shifts
4730 optimization for vector shifts.
4732 2006-02-20 Roger Sayle <roger@eyesopen.com>
4734 PR tree-optimization/26361
4735 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4736 of unsigned integer types.
4738 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4740 * tree-chrec.c (eq_evolutions_p): New.
4741 * tree-chrec.h (eq_evolutions_p): Declared.
4742 * tree-data-ref.c: Fix formatting.
4743 (datadep_stats, dependence_stats): New.
4745 (print_direction_vector): New.
4746 (dump_data_dependence_relation): Use print_direction_vector.
4747 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4748 (compute_subscript_distance): Static.
4749 (initialize_data_dependence_relation): Static. Get the number
4750 of loops surrounding the references from the callers, and initialize
4751 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4752 base_object_differ_p analyzers.
4753 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4754 compute_overlap_steps_for_affine_1_2,
4755 analyze_subscript_affine_affine): Count the classified dependences.
4756 Print a message when a test failed.
4757 (can_use_analyze_subscript_affine_affine): New.
4758 (analyze_siv_subscript): Compute the data dependences on symbolic
4759 scevs that verify can_use_analyze_subscript_affine_affine.
4760 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4761 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4762 Handle symbolic scevs.
4763 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4765 (subscript_dependence_tester): Moved...
4766 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4767 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4768 DDR_SIZE_VECT instead of getting it in parameter.
4769 (subscript_dependence_tester): ... here. Take as a parameter
4770 loop_nest_depth. Call build_classic_dist_vector and
4771 build_classic_dir_vector.
4772 (compute_affine_dependence): Update subscript_dependence_tester
4773 parameters. Update datadep_stats counters. Call
4774 compute_subscript_distance.
4775 (compute_self_dependence): Save the dist and dir vectors. Call
4776 compute_subscript_distance.
4777 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4778 (compute_all_dependences): Reorder parameters as they were before
4779 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4780 compute_subscript_distance. Update the use of
4781 compute_affine_dependence and initialize_data_dependence_relation.
4782 (find_data_references_in_loop): Handle COMPONENT_REF.
4783 (compute_data_dependences_for_loop): Initialize dependence_stats.
4784 Don't call build_classic_dist_vector and build_classic_dir_vector.
4785 Update the parameters of initialize_data_dependence_relation and
4786 compute_all_dependences. Print the statistics from datadep_stats.
4787 (analyze_all_data_dependences): Static. Not used until the pass for
4788 checking the data dependences is contributed.
4789 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4790 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4791 (initialize_data_dependence_relation, compute_affine_dependence,
4792 analyze_all_data_dependences, compute_subscript_distance): Removed.
4793 (print_direction_vector): New.
4794 * lambda.h (gcd): ... here.
4795 (lambda_vector_gcd): Moved here from gcd_vector.
4796 * lambda-code.c (gcd, gcd_vector): Removed.
4797 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4798 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4800 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4802 * ipa-type-escape.c: Tidy some comments and white space.
4803 * tree-ssa-operands.c: Likewise.
4805 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4808 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4809 (dump_decl_name): Do not walk the decl tree chains.
4810 * tree-pass.h (TDF_CHAIN): Remove.
4812 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4814 * Makefile.in (C): Remove
4816 (.PHONY): Remove C and PROTO
4818 2006-02-20 Roger Sayle <roger@eyesopen.com>
4821 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4822 deprecated CHAR_TYPE tree code.
4824 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4826 * configure.ac (target_list): Add install-info, dvi, html.
4827 * configure: Regenerate.
4829 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4830 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4831 treelang/Make-lang.in: Do not use double-colon rules.
4833 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4835 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4836 (TMT_USED_ALONE): New macro.
4837 * tree-pass.h (PROP_tmt_usage): New property.
4838 (TODO_update_tmt_usage): New todo.
4839 * tree-ssa-alias.c (updating_used_alone): New variable.
4840 (recalculate_used_alone): New function.
4841 (compute_may_aliases): Set updating_used_alone, call
4842 recalculate_used_alone.
4843 * tree-sra.c (pass_sra): Note that this pass destroys
4844 PROP_tmt_usage, and add TODO_update_tmt_usage.
4845 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4846 * tree-flow.h (updating_used_alone): Prototype.
4847 (recalculate_used_alone): Ditto.
4848 * passes.c (execute_todo): Add code to set updating_used_alone,
4849 and call recalculate.
4850 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4851 for clobber if used alone, and add assert to verify used_alone
4854 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4856 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4857 for non tls symbols added.
4858 (legitimize_address): Do nothing for PLUS expressions if one of the
4859 addends is a tls symbol reference.
4861 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4865 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4867 * Makefile.in (BOOTSTRAPPING): New.
4868 (quickstrap): New definition if BOOTSTRAPPING=yes.
4870 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4871 * configure.ac: Substitute all_selected_languages with the languages
4872 that were configured. For all the other variables except
4873 lang_specs_files, include all the languages in the tree.
4874 * configure: Regenerate.
4876 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4877 if there is one. Run the commands to run fixincludes in the same
4880 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4881 * doc/install.texi: Document exact conventions for searching target tools.
4882 Document --with-build-time-tools. Document toplevel bootstrap. Document
4883 something more about building an Ada cross-compiler. Don't list GNU Make
4884 requirements which affect all platforms.
4886 2006-02-19 Roger Sayle <roger@eyesopen.com>
4889 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4890 only equivalent if the have both the same mode and precision.
4892 2006-02-20 Ben Elliston <bje@au.ibm.com>
4894 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4896 2006-02-19 Roger Sayle <roger@eyesopen.com>
4897 Steven Bosscher <stevenb.gcc@gmail.com>
4899 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4900 constant pool references to identify stack mode constants.
4901 * rtlanal.c (constant_pool_constant_p): New predicate to check
4902 whether operand is a floating point constant in the pool.
4903 * rtl.h (constant_pool_constant_p): Prototype here.
4904 * loop.c (scan_loop): Avoid hoisting constants from the constant
4905 pool on STACK_REGS targets.
4906 (load_mems): Likewise.
4907 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4908 loads into x87 registers expensive in terms of register pressure.
4910 2006-02-19 Roger Sayle <roger@eyesopen.com>
4912 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4913 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4915 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4917 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4918 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4920 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4922 * doc/invoke.texi: Document -fipa-pta.
4923 * common.opt: Add ipa-pta option.
4924 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4925 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4926 (do_ds_constraint): Ditto.
4927 (get_constraint_for): Only add to referenced_vars if
4928 referenced_vars exists.
4929 (insert_into_field_list): Rewrite to do this unsorted.
4930 (insert_into_field_list_sorted): Rename old insert_into_field_list
4932 (create_function_info_for): Use insert_into_field_list_sorted.
4933 (create_variable_info_for): Rewrite so it uses unsorted version,
4934 since the field list is sorted.
4935 (intra_create_variable_infos): Only add to referenced_vars if
4936 referenced_vars exists.
4937 (ipa_pta_execute): Init heapvars, and delete when done.
4938 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4940 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4942 * doc/install.texi: Add missing `@samp'.
4944 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4946 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4949 2006-02-18 Mark Wielaard <mark@klomp.org>
4951 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4952 who added new 4.1 features, bug fixes and integration support.
4954 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4957 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4960 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4962 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4963 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4964 (copy_insn_1): Likewise. Don't copy each field individually.
4966 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4968 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4969 * rtl.c (rtx_size): Rename variable to...
4970 (rtx_code_size): ...this.
4971 (rtx_size): New function.
4972 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4973 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4975 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4976 * rtl.h (rtx_code_size): New variable.
4977 (rtx_size): Change from a variable to a function.
4978 (RTX_SIZE): Rename to...
4979 (RTX_CODE_SIZE): ...this.
4982 PR tree-optimization/17106
4983 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4984 (Anchored Addresses): New section.
4985 * doc/invoke.texi (-fsection-anchors): Document.
4986 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4987 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4988 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4989 * hooks.c (hook_bool_mode_rtx_false): New function.
4990 * hooks.h (hook_bool_mode_rtx_false): Declare.
4991 * gengtype.c (create_optional_field): New function.
4992 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4993 SYMBOL_REF_IN_BLOCK_P is true.
4994 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4995 (min_anchor_offset, max_anchor_offset): Likewise.
4996 (use_anchors_for_symbol_p): New hook.
4997 * toplev.c (compile_file): Call output_object_blocks.
4998 (target_supports_section_anchors_p): New function.
4999 (process_options): Check that -fsection-anchors is only used on
5000 targets that support it and when -funit-at-a-time is in effect.
5001 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5002 if the decl doesn't have one.
5003 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5004 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5005 of force_const_mem through use_anchored_address.
5006 (expand_expr_constant): New function.
5007 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5008 calling expand_expr for INDIRECT_REF.
5009 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5010 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5011 * expr.h (use_anchored_address): Declare.
5012 * loop-unroll.c: Don't declare rtx vectors here.
5013 * explow.c: Include output.h.
5014 (validize_mem): Call use_anchored_address.
5015 (use_anchored_address): New function.
5016 * common.opt (-fsection-anchors): New switch.
5017 * varasm.c (object_block_htab, anchor_labelno): New variables.
5018 (hash_section, object_block_entry_eq, object_block_entry_hash)
5019 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5020 (use_blocks_for_decl_p, change_symbol_section): New functions.
5021 (get_variable_section): New function, split out from assemble_variable.
5022 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5023 use_blocks_for_decl_p say so. Use change_symbol_section if the
5024 symbol has already been created.
5025 (assemble_variable_contents): New function, split out from...
5026 (assemble_variable): ...here. Don't output any code for
5027 block symbols; just pass them to place_block_symbol.
5028 Use get_variable_section and assemble_variable_contents.
5029 (get_constant_alignment, get_constant_section, get_constant_size): New
5030 functions, split from output_constant_def_contents.
5031 (build_constant_desc): Create a block symbol if use_object_blocks_p
5032 says so. Or into SYMBOL_REF_FLAGS.
5033 (assemble_constant_contents): New function, split from...
5034 (output_constant_def_contents): ...here. Don't output any code
5035 for block symbols; just pass them to place_section_symbol.
5036 Use get_constant_section and get_constant_alignment.
5037 (force_const_mem): Create a block symbol if use_object_blocks_p and
5038 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5039 (output_constant_pool_1): Add an explicit alignment argument.
5040 Don't switch sections here.
5041 (output_constant_pool): Adjust call to output_constant_pool_1.
5042 Switch sections here instead. Don't output anything for block symbols;
5043 just pass them to place_block_symbol.
5044 (init_varasm_once): Initialize object_block_htab.
5045 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5046 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5047 (place_block_symbol, get_section_anchor, output_object_block)
5048 (output_object_block_htab, output_object_blocks): New functions.
5049 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5050 (TARGET_ASM_OUT): Include it.
5051 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5052 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5053 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5054 (TARGET_INITIALIZER): Include them.
5055 * rtl.c (rtl_check_failed_block_symbol): New function.
5056 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5057 (block_symbol, object_block): New structures.
5058 (rtx_def): Add a block_symbol field to the union.
5059 (BLOCK_SYMBOL_CHECK): New macro.
5060 (rtl_check_failed_block_symbol): Declare.
5061 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5062 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5063 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5064 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5065 * output.h (output_section_symbols): Declare.
5066 (object_block): Name structure.
5067 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5068 (default_use_anchors_for_symbol_p): Declare.
5069 * Makefile.in (RTL_BASE_H): Add vec.h.
5070 (explow.o): Depend on output.h.
5071 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5072 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5073 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5074 (rs6000_use_blocks_for_constant_p): New function.
5076 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5078 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5080 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5083 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5086 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5088 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5092 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5095 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5096 instead of DECL_REGISTER.
5098 2006-02-18 Olivier Hainque <hainque@adacore.com>
5101 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5103 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5106 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5107 * opth-gen.awk: Handle Var and InverseMask together.
5108 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5109 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5110 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5111 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5113 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5114 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5115 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5116 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5117 LINUX_DYNAMIC_LINKER): Define.
5118 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5119 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5121 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5122 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5123 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5124 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5125 (TARGET_C99_FUNCTIONS): Don't define.
5126 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5127 GLIBC_DYNAMIC_LINKER.
5128 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5129 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5130 GLIBC_DYNAMIC_LINKER64): Define.
5131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5132 LINUX_DYNAMIC_LINKER64.
5133 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5134 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5135 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5136 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5137 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5139 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5140 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5141 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5142 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5143 and LINUX_DYNAMIC_LINKER32.
5144 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5146 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5147 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5148 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5150 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5151 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5152 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5153 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5154 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5155 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5156 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5157 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5158 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5159 LINUX_DYNAMIC_LINKER): Define.
5160 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5161 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5162 GLIBC_DYNAMIC_LINKER64): Define.
5163 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5164 LINUX_DYNAMIC_LINKER64.
5165 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5166 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5167 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5168 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5169 LINUX_DYNAMIC_LINKER): Define.
5170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5171 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5172 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5173 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5174 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5175 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5176 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5177 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5178 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5179 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5181 * doc/invoke.texi (-muclibc): Remove caveat about supported
5184 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5186 * doc/cpp.texi (__TIMESTAMP__): Document.
5188 2006-02-17 Roger Sayle <roger@eyesopen.com>
5191 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5192 C is one less than the width of X (and related transformations).
5193 * simplify-rtx.c (simplify_unary_operation_1): Transform
5194 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5195 depending on STORE_FLAG_VALUE, were C is one less then the
5198 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5200 Fix PR tree-optimization/26341
5201 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5202 about NAME_MEMORY_TAG's.
5204 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5207 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5208 with hardware float support, and software float support. Add fcpy
5209 alternative to hardware patterns. Add alternatives to copy between
5210 general and floating-point registers to the 32-bit pattern.
5211 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5212 secondary reload to load a QI or HI mode constant into a floating
5214 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5215 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5217 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5220 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5222 (load_macho_picbase_di): Likewise.
5224 2006-02-16 Jeff Law <law@redhat.com>
5226 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5227 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5228 (ssa_name_nonzero_p): Likewise.
5229 (get_value_range): Return NULL if VRP is not running.
5230 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5231 VRP routines do not discover a range.
5232 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5233 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5234 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5235 (tree_expr_nonnegative_p): Similarly.
5236 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5237 (restore_nonzero_vars_to_original_value): Remove.
5238 (unsafe_associative_fp_binop): Remove.
5239 (tree_ssa_dominator_optimize): Remove initialization and
5240 finalization of nonzero_vars and nonzero_vars_stack.
5241 (dom_opt_initialize_block): No longer push marker on
5243 (dom_opt_finalize_block): No longer call
5244 restore_nonzero_vars_to_original_value.
5245 (record_equivalences_from_phis): No longer look for
5246 nonzero PHI arguments.
5247 (cprop_into_successor_phis): No longer propagate nonzero
5248 property into PHI arguments. Lose unused argument. Caller
5250 (record_equivalences_from_stmt): No longer record nonzero
5251 values for SSA_NAMEs.
5252 (lookup_avail_expr): No longer use nonzero_vars.
5254 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5255 for sizetype when sizetype is unsigned.
5257 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5259 PR rtl-optimization/25603
5260 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5261 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5262 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5263 with new meaning of SETS.
5265 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5270 * config/linux.opt: New file.
5271 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5272 LINUX_DYNAMIC_LINKER): Define.
5273 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5274 * config.gcc (*-*-linux*): Define extra_options.
5275 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5276 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5277 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5278 GLIBC_DYNAMIC_LINKER.
5279 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5280 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5281 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5283 * doc/invoke.texi (GNU/Linux Options): New section.
5285 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5287 * config/sparc/sparc.md (setjmp): Rewrite.
5288 (setjmp_32): Delete.
5289 (setjmp_64): Likewise.
5291 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5293 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5296 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5298 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5301 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5303 PR rtl-optimization/26296
5304 * Makefile.in (loop-invariant.c): Add except.h dependency.
5305 * loop-invariant.c: Include except.h.
5306 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5308 2005-02-16 Paul Brook <paul@codesourcery.com>
5310 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5313 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5315 PR rtl-optimization/25636
5316 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5317 when deciding whether an insn is an initializing insn.
5319 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5321 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5322 (tree_code_size): Ditto.
5323 * tree.h (struct tree_memory_tag): Remove parent_var.
5324 (struct tree_struct_field_tag): New.
5327 (union tree_node): Add sft member.
5328 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5330 (create_sft): Add size and offset argument, set SFT_OFFSET and
5332 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5333 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5334 * tree-flow-inline.h (get_subvar_at): Update for
5335 SFT_OFFSET/SFT_SIZE.
5336 (var_can_have_subvars): Ditto.
5337 (overlap_subvar): Ditto.
5338 * print-tree.c (print_node): Print out interesting things for
5340 * tree-flow.h (struct subvar): Remove offset and size members.
5341 * tree-ssa-operands.c (get_expr_operands): Update for
5342 get_indirect_ref_operands changes.
5343 (get_indirect_ref_operands): Call add_virtual_operand instead of
5344 add_stmt_operand. Only recurse on base var if requested.
5345 (access_can_touch_variable): New function.
5346 (add_stmt_operand): Split virtual operand handling into ...
5347 (add_virtual_operand): Here. Add offset, size, and for_clobber
5348 arguments. Prune alias sets.
5349 (add_call_clobber_ops): Call add_virtual_operand.
5351 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5354 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5356 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5357 than TREE_CODE as index into omp_clause_num_ops array.
5359 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5361 PR rtl-optimization/26184
5362 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5364 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5365 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5366 must_precede, must_follow and tobe_scheduled.
5369 * opts.c (common_handle_option): Free new_option pointer.
5370 * df-core.c (df_analyze): Free postorder pointer.
5372 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5374 * Makefile.in: Fix the examples about the use of stamps
5376 2006-02-15 Michael Matz <matz@suse.de>
5380 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5381 influenced by maximum_field_alignment or DECL_PACKED.
5382 (update_alignment_for_field): Ditto.
5383 (place_field): Ditto.
5384 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5387 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5389 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5390 (debug_flow_info): Pass it.
5391 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5392 * bb-reorder.c (reorder_basic_blocks): Likewise.
5393 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5394 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5395 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5396 * gcse.c (gcse_main, bypass_jumps): Likewise.
5397 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5398 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5399 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5400 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5401 * rtl.h (dump_flow_info): Adjust prototype.
5402 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5403 * var-tracking.c (variable_tracking_main): Likewise.
5404 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5405 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5408 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5410 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5413 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5415 PR tree-optimization/26209
5416 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5417 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5419 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5421 2006-02-14 Roger Sayle <roger@eyesopen.com>
5424 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5425 (X,Y) and the corresponding symmetry related transformations.
5426 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5427 (X,Y) and its symmetry related transformations.
5429 2006-02-14 Roger Sayle <roger@eyesopen.com>
5431 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5434 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5436 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5438 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5441 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5442 support COMDAT group.
5443 * configure: Regenerate.
5445 2006-02-14 Roger Sayle <roger@eyesopen.com>
5450 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5452 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5454 Fix PR tree-optimization/26260
5456 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5458 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5459 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5460 * tree-ssa-structalias.c (create_variable_info_for): Use
5461 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5463 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5465 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5467 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5468 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5469 of the ending condition.
5470 * tree-ssa-loop-manip.c: Include params.h.
5471 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5472 tree_unroll_loop): New functions.
5473 * tree-pass.h (pass_loop_prefetch): Declare.
5474 * loop.c (rest_of_handle_loop_optimize): Test for
5475 -fprefetch-loop-arrays-rtl.
5476 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5477 * timevar.def (TV_TREE_PREFETCH): New timevar.
5478 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5479 pass_loop_prefetch): New.
5480 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5481 (cleanup_tree_cfg_loop): Call scev_reset.
5482 * common.opt (fprefetch-loop-arrays-rtl): Add.
5483 * tree-ssa-loop-prefetch.c: New file.
5484 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5485 (new_temp_expr_table): Initialize expr_vars.
5486 (free_temp_expr_table): Cleanup expr_vars.
5487 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5488 expressions from being merged into one.
5489 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5490 (struct tree_niter_desc): Add control, bound and cmp fields.
5491 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5493 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5494 (tree-cfgcleanup.o): Add SCEV_H dependency.
5495 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5496 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5498 2006-02-14 Richard Guenther <rguenther@suse.de>
5500 PR tree-optimization/26258
5501 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5502 in PHI argument processing.
5504 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5506 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5507 new expression in the requested machine mode.
5509 2006-02-13 Roger Sayle <roger@eyesopen.com>
5511 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5512 directly, instead let do_compare_rtx_and_jump handle this for us.
5513 * expr.c (expand_expr_real_1): Likewise.
5514 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5515 before do_jump_by_parts_greater.
5516 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5517 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5519 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5521 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5523 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5525 PR rtl-optimization/26235
5526 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5527 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5530 2006-02-13 Jeff Law <law@redhat.com>
5532 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5535 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5538 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5539 twice if decl is a builtin. When trying again, call get_callee_fndecl
5540 first to verify it is still a builtin.
5542 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5544 * dwarf2out.c (base_type_die): Don't add AT_name here.
5545 (subrange_type_die): Don't add AT_name here.
5546 (modified_type_die): Rearrange code flow. Do add AT_name here.
5548 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5550 PR rtl-optimization/26247
5551 PR rtl-optimization/26248
5552 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5554 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5556 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5557 * config/fixtfdi.c: Likewise.
5558 * config/fixunstfdi.c: Likewise.
5559 * config/floatditf.c: Likewise.
5561 2006-02-13 Roger Sayle <roger@eyesopen.com>
5564 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5565 into (X,C2) if C1 is a subset of the bits of C2. Transform
5566 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5568 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5570 2006-02-13 Josh Conner <jconner@apple.com>
5573 * varasm.c (function_section): Check for section name before
5574 calling select_section on targets that define
5575 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5576 unlikely_text_section instead of hot_function_section if
5577 first_function_block_is_cold.
5579 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5582 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5584 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5586 PR rtl-optimization/26222
5587 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5588 after tree->rtl expansion.
5589 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5590 before passing it to emit_move_insn.
5592 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5594 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5596 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5597 Clarify documentation.
5598 * c-common.h (warn_write_strings): Remove.
5599 * c-common.c (warn_write_strings): Likewise.
5600 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5603 2006-02-12 Roger Sayle <roger@eyesopen.com>
5606 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5607 (do_jump_parts_zero_rtx): New function renamed from
5608 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5609 (do_jump_parts_equality_rtx): New function split out from
5610 do_jump_parts_equality. Old implementation renamed as above.
5611 Call do_jump_parts_zero_rtx if either operand is zero.
5612 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5613 do all of the heavy lifting.
5614 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5615 calling either do_jump_by_parts_greater_rtx or
5616 do_jump_by_parts_equality_rtx.
5617 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5618 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5619 moved to do_compare_rtx_and_jump, call it directly.
5620 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5621 mode argument. Call do_compare_rtx_and_jump.
5622 (emit_case_nodes): Update calls to do_jump_if_equal.
5624 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5626 PR rtl-optimization/26225
5627 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5629 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5631 PR rtl-optimization/26232
5632 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5634 2006-02-11 Jason Merrill <jason@redhat.com>
5637 * tree-inline.c (declare_return_variable): Just don't use the
5638 modify target if it's a gimple complex reg and the return slot
5641 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5643 * doc/contrib.texi: Update my entry.
5645 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5647 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5649 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5651 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5654 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5656 * doc/invoke.texi (-floop-optimize2): Removed.
5657 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5658 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5659 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5660 * common.opt (floop-optimize2): Removed.
5661 (fmove-loop-invariants): Enabled by default.
5663 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5665 * tree-if-conv.c (combine_blocks): Free the result of
5666 get_loop_exit_edges.
5668 2006-02-10 Jeff Law <law@redhat.com>
5670 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5672 PR tree-optimization/26213
5673 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5674 loop trying to follow SSA_NAME_VALUE chains.
5676 2006-02-10 Richard Guenther <rguenther@suse.de>
5678 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5679 deal with structures that end in implicitly variable sized arrays.
5681 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5683 PR rtl-optimization/24762
5684 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5687 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5689 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5690 (struct ivopts_data): Add regs_used field.
5691 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5692 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5693 instead of loop_data->regs_used;
5694 (free_loop_data): Do not free aux fields for loops.
5695 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5696 and tree_ssa_iv_optimize_finalize.
5698 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5700 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5702 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5705 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5706 computing the effective result type.
5708 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5711 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5712 (tree_overlaps_hard_reg_set): Declare.
5713 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5714 type and signature to match function type expected by walk_tree.
5715 (tree_overlaps_hard_reg_set): New function.
5716 (decl_conflicts_with_clobbers_p): Rename to:
5717 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5718 Use tree_overlaps_hard_reg_set. Changed caller.
5719 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5720 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5721 * cris.c (cris_md_asm_clobbers): Likewise.
5723 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5725 * reload1.c (emit_input_reload_insns): Delete code that tries to
5726 inherit using find_equiv_reg.
5728 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5730 * c-common.h (flag_const_strings): Don't declare.
5731 * c-common.c (flag_const_strings): Remove.
5732 * c.opt (fconst_strings): Remove.
5733 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5734 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5735 (c_common_init_options): Don't set flag_const_strings.
5736 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5738 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5740 * arm.md (tlobits_cbranch): New pattern.
5741 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5742 testing a single bit.
5744 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5747 * tree-ssa-pre.c (create_component_ref_by_pieces):
5748 Handle RETURN_DECL like VAR_DECL.
5750 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5753 * fold-const.c (fold_indirect_ref_1): Fold
5754 "*(foo *)&complexfoo" to "__real__ complexfoo"
5755 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5757 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5759 * tree-flow-inline.h (var_can_have_subvars):
5760 Volatile variables should not have subvariables.
5762 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5765 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5766 multiplying unsigned values.
5769 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5771 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5773 2006-02-08 Jason Merrill <jason@redhat.com>
5776 * tree.def: Elaborate on difference from MODIFY_EXPR.
5777 * doc/c-tree.texi (INIT_EXPR): Likewise.
5778 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5779 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5780 (gimplify_target_expr): Likewise.
5781 (gimplify_cond_expr): Remove target handling.
5782 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5783 (gimplify_expr): Clobber it here.
5784 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5785 Do return slot optimization if we have an INIT_EXPR.
5788 * tree-inline.c (declare_return_variable): Also clear
5789 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5792 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5795 * gimplify.c (gimplify_one_sizepos): Fix typo.
5797 2006-02-08 Jeff Law <law@redhat.com>
5799 PR tree-optimization/21417
5800 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5801 across a backedge if the control statement at the end of the
5802 block is data dependent on other statements in the same block.
5803 (record_temporary_equivalences_from_stmts): Remove over-conservative
5804 test for threading across backedges.
5806 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5807 control statement, handle all three special cases in the same
5808 manner as they all have the same desired solution. No longer
5809 special case edge flag updating when the post dominator is
5812 2006-02-08 Roger Sayle <roger@eyesopen.com>
5814 * tree.def (CHAR_TYPE): Remove.
5815 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5816 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5817 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5818 (gen_string_type_die): Delete unreachable function.
5820 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5821 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5822 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5823 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5824 * builtins.c (type_to_class): Likewise.
5825 * fold-const.c (fold_convert, build_range_check,
5826 merge_ranges): Likewise.
5827 * expr.c (count_type_elements): Likewise.
5828 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5829 * stor-layout.c (layout_type): Likewise.
5830 * ipa-type-escape.c (type_to_consider): Likewise.
5831 * gimplify.c (omp_firstprivatize_type_sizes,
5832 gimplify_type_sizes): Likewise.
5833 * explow.c (promote_mode): Likewise.
5834 * tree-sra.c (is_sra_scalar_type): Likewise.
5835 * varasm.c (output_constant): Likewise.
5836 * tree-inline.c (remap_type_1): Likewise.
5837 * convert.c (convert_to_pointer, convert_to_real,
5838 convert_to_integer, convert_to_complex): Likewise.
5840 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5842 * df-scan.c (df_def_record_1): A set destination may
5843 be a parallel regardless of mode.
5845 2006-02-08 Roger Sayle <roger@eyesopen.com>
5848 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5849 * config/mips/_tilib.c: Remove.
5850 * config/fixtfdi.c: New libgcc source file.
5851 * config/fixunstfdi.c: New source file.
5852 * config/floatditf.c: New source file.
5853 * config/floatunditf.c: New souce file.
5854 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5855 files above instead of config/mips/_tilib.c.
5856 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5858 2006-02-08 Jeff Law <law@redhat.com>
5860 PR tree-optimization/26169
5861 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5864 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5866 * df.h (DF_REG_SIZE): Return the length of the initialized
5869 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5871 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5872 __muldf3): Return a correctly signed zero.
5874 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5876 * passes.c (register_one_dump_file): Accept the current properties
5877 instead of pass number. Adjust call to dump_register. Remove
5879 (register_dump_files): Now a wrapper around...
5880 (register_dump_files_1): ... this one. Do not modify the pass
5882 (next_pass_1): Cosmetic fix.
5883 (execute_todo): Keep second parameter only. Use curr_properties
5884 instead of fetching it from the pass structure. Check and set
5886 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5887 instead of fetching it from the pass structure. Fix calls to
5888 execute_todo. Update curr_properties and initialize .vcg RTL dump
5889 after running the pass. Reset last_verified.
5890 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5892 (FIRST_AUTO_NUMBERED_DUMP): New.
5893 (dump_register): Remove "num" parameter, assign it within the
5895 (get_dump_file_name): Modify template for dumps.
5896 * tree-dump.h (dump_register): Adjust prototype.
5897 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5898 (PROP_trees): Add PROP_gimple_lomp.
5899 (TODO_set_props): New.
5900 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5901 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5902 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5904 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5906 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5907 (sparc64-*-linux*): Likewise.
5908 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5909 * config/sparc/t-linux: New file.
5910 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5911 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5912 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5913 -m32 -mlong-double-128.
5915 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5916 * config/alpha/t-linux: New file.
5917 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5919 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5920 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5921 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5922 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5923 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5924 (CPP_ARCH32_SPEC): Remove.
5926 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5928 PR tree-optimization/26145
5929 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5932 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5935 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5936 >= 240000 when generating code for SOM runtime.
5937 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5938 to $$dyncall when generating code for SOM runtime..
5940 2006-02-07 Dirk Mueller <dmueller@suse.com>
5943 * doc/invoke.texi (-Wsequence-point): Update documentation
5944 that -Wsequence-point is implemented for C++ as well.
5946 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5948 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5949 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5950 (LIB_SPEC): Likewise.
5951 * doc/invoke.texi (SPARC options): Document -pthread.
5953 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5955 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5958 2006-02-07 Roger Sayle <roger@eyesopen.com>
5960 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5961 Correct comment describing BOOLEAN_TYPE.
5963 2006-02-07 Dirk Mueller <dmueller@suse.com>
5965 * c.opt: C++ frontend supports -Wdiv-by-zero.
5966 * c-opts.c (c_common_handle_option): Remove dead case.
5968 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5970 * configure.ac (TLS assembler check): Do not enable TLS by
5971 default on SPARC/Solaris before version 10.
5972 * configure: Regenerate.
5974 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5976 * doc/invoke.texi (xl-compat): Document conversion and support
5979 2006-02-07 Jeff Law <law@redhat.com>
5981 * tree-vrp.c (find_conditional_asserts): Update comments.
5982 (simplify_stmt_for_jump_threading): New.
5983 (identify_jump_threads, finalize_jump_threads): New.
5984 (vrp_finalize): Call identify_jump_threads.
5985 (execute_vrp): Call finalize_jump_threads.
5986 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5987 (vrp_element, vrp_data, vrp_element_p): Remove.
5988 (vrp_hash_elt, vrp_variables_stack): Remove.
5989 (vrp_hash, vrp_eq, record_range): Remove.
5990 (simplify_cond_and_lookup_avail_expr): Remove.
5991 (extract_range_from_cond): Remove.
5992 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5993 (simplify_stmt_for_jump_threading): New.
5994 (dom_thread_across_edge): New wrapper.
5995 (tree_ssa_dominator_optimize): No longer initialize or
5996 finalize any of the VRP datastructures. Remove iteration
5997 step and simplify as a result of removal of iteration step.
5998 (pass_dominator): Perform a cfg cleanup after DOM.
5999 (dom_opt_finalize_block): Use the new common routines
6000 for threading jumps. Simplify stack management slightly.
6001 No longer need to unwind VRP state.
6002 (record_equivalences_from_incoming_edge): No longer record
6004 (eliminate_redundant_computations): No longer call
6005 simplify_cond_and_lookup_avail_expr.
6006 * tree-flow.h (potentially_threadable_block): Prototype.
6007 (thread_across_edge): Likewise.
6008 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6009 (tree-ssa-threadedge.o): Add dependencies.
6010 * tree-ssa-threadedge.c: New file.
6011 * passes.c (init_optimization_passes): Merge PHIs before
6012 calling VRP. Run VRP again late in the SSA optimization pipeline.
6014 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6016 * df-core.c (df_set_blocks): Do not dereference function pointers.
6017 (df_finish1): Likewise.
6018 (df_hybrid_search_forward): Likewise.
6019 (df_hybrid_search_backward): Likewise.
6020 (df_iterative_dataflow): Likewise.
6021 (df_analyze_problem): Likewise.
6022 (df_compact_blocks): Likewise.
6023 (df_dump): Likewise.
6024 * df-scan.c (df_rescan_blocks): Likewise.
6025 (df_record_entry_block_defs): Likewise.
6027 * genconditions.c (write_conditions): Guard the definition of
6028 'insn_conditions' with the check on GCC version.
6029 (write_writer): Guard the traversal 'insn_conditions' with
6030 the check on GCC version.
6032 2006-02-07 Richard Guenther <rguenther@suse.de>
6036 2006-01-30 Richard Guenther <rguenther@suse.de>
6038 * gimplify.c (gimplify_target_expr): Handle easy cases
6039 without creating a temporary.
6041 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6043 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6044 use of float in probability computations. Use edge probabilities
6045 in place of statically computed probabilities.
6046 (min_spec_prob): New static variable.
6047 (schedule_insns): Initialize it.
6048 (GET_SRC_PROB): Removed.
6049 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6051 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6054 * config/ia64/unwind-ia64.c: Revert last change.
6055 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6056 (INCOMING_FRAME_SP_OFFSET): Define.
6058 2006-02-06 Roger Sayle <roger@eyesopen.com>
6060 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6062 2006-02-07 Ben Elliston <bje@au.ibm.com>
6064 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6065 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6066 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6067 (ix86_return_in_memory): Handle TDmode.
6068 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6069 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6071 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6073 * reorg.c (dbr_schedule): Use dump_file instead of file.
6075 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6078 * config/ia64/predicates.md (extr_len_operand): New predicate.
6079 * config/ia64/ia64.md (extv): Tighten constraints.
6081 (*tbit_and_2): Ditto.
6082 (*tbit_and_3): Ditto.
6083 (*tbit_or_2): Ditto.
6084 (*tbit_or_3): Ditto.
6088 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6091 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6093 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6095 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6096 loop_optimizer_init and loop_optimizer_finalize
6097 * tree-ssa-sink.c (execute_sink_code): Ditto.
6098 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6099 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6100 tree_ssa_loop_done): Ditto.
6101 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6102 * sched-ebb.c: Include output.h.
6103 (schedule_ebbs): Do not use dump argument.
6104 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6105 * loop.c (loop_dump_stream): Removed.
6106 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6108 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6109 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6110 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6111 loop_iterations, strength_reduce, record_biv, record_giv,
6112 final_giv_value, check_final_value, check_ext_dependent_givs,
6113 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6114 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6115 dump_file instead of loop_dump_stream.
6116 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6118 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6120 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6121 * haifa-sched.c: Include output.h
6122 (schedule_insns, sched_init): Do not use dump argument.
6123 * mode-switching.c (optimize_mode_switching): Ditto.
6124 * modulo-sched.c (stats_file): Removed.
6125 (print_node_sched_params): Do not call argument dump_file.
6126 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6127 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6129 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6131 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6132 rtl_loop_init, rtl_loop_done): Ditto.
6133 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6134 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6136 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6137 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6138 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6139 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6140 * emit-rtl.c (renumber_insns): Ditto.
6141 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6142 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6143 * regclass.c (regclass): Ditto.
6144 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6145 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6146 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6147 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6149 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6150 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6152 * gcse.c (gcse_file, debug_stderr): Removed.
6153 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6154 rest_of_handle_gcse): Do not use dump argument.
6155 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6156 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6157 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6158 compute_code_hoist_vbeinout, compute_code_hoist_data,
6159 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6160 compute_store_table, build_store_vectors, insert_insn_start_bb,
6161 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6162 store_motion): Use dump_file instead of gcse_file.
6163 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6164 * profile.c (profile_dump_file): Removed.
6165 (branch_prob): Use dump_file instead of profile_dump_file.
6166 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6168 * tree-ssa-copy.c (dump_copy_of): Ditto.
6169 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6170 dump file to life_analysis.
6171 * bt-load.c (branch_target_load_optimize): Ditto.
6172 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6174 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6175 regclass, dbr_schedule): Declaration changed.
6176 * sched-int.h (sched_init): Declaration changed.
6177 * tree-profile.c (tree_profile_dump_file): Removed.
6178 (tree_profile_hooks): Removed profile_dump_file hook.
6179 * rtl-profile (rtl_profile_dump_file): Removed.
6180 (rtl_profile_hooks): emoved profile_dump_file hook.
6181 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6183 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6184 * tree-cfg.c (build_tree_cfg): Ditto.
6185 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6186 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6187 Declaration changed.
6188 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6189 life_analysis and schedule_insns.
6190 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6192 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6194 * config/mips/mips.c (mips_reorg): Ditto.
6195 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6198 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6200 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6201 (s390_mangle_fundamental_type): New.
6202 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6205 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6206 (alpha_mangle_fundamental_type): New.
6207 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6210 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6212 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6214 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6215 (sparc_mangle_fundamental_type): New.
6217 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6219 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6220 (s390x-*-linux*): Likewise.
6221 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6222 * config/s390/t-linux: New file.
6224 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6226 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6227 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6229 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6231 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6232 (ANTIC_SAFE_LOADS): New macro.
6233 (find_or_generate_expression): Add prototype.
6234 (set_contains_value): Allow null set for sake of not always having
6235 to allocate ANTIC_SAFE_LOADS.
6236 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6237 Allow COMPONENT_REF too.
6238 (valid_in_set): Allow COMPONENT_REF.
6239 Check ANTIC_SAFE_LOADS too.
6240 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6241 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6243 (can_PRE_operation): Add COMPONENT_REF.
6244 (create_component_ref_by_pieces): New function.
6245 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6246 (insert_aux): Move AGGREGATE_TYPE_P check here.
6247 (compute_avail): Set bb local stmt uids.
6248 (pass_pre): Use TODO_update_ssa_only_virtuals.
6250 2006-02-06 Ben Elliston <bje@au.ibm.com>
6252 * configure.ac: Unconditionally disable decimal float by default.
6253 * configure: Regenerate.
6255 2006-02-06 Ben Elliston <bje@au.ibm.com>
6257 * read-rtl.c (read_name): Terminate reading on EOF.
6259 2006-02-06 Ben Elliston <bje@au.ibm.com>
6261 * dfp.c (decimal_real_arithmetic): Change second argument type
6262 from int to enum tree_code. Do not always return true, but now
6263 return result of any call to decimal_do helper functions.
6264 * dfp.h (decimal_real_arithmetic): Update prototype.
6266 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6268 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6270 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6273 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6276 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6278 * tree-vrp.c (cfg_loops): Removed.
6279 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6280 Use current_loops instead of cfg_loops. Pass flags to
6281 loop_optimizer_init.
6282 * cfgloopmanip.c (fix_loop_structure): Update only available
6284 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6285 loop_optimizer_init.
6286 * modulo-sched.c (build_loops_structure): Removed.
6287 (sms_schedule): Use loop_optimizer_init.
6288 * loop-init.c (loop_optimizer_init): Use flags to determine
6289 which properties of loops to prepare.
6290 (rtl_loop_init): Pass flags to loop_optimizer_init.
6291 * tree-ssa-sink.c (execute_sink_code): Ditto.
6292 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6293 * tree-ssa-pre.c (init_pre): Ditto.
6294 * cfgloop.h (LOOPS_NORMAL): New.
6295 (loop_optimizer_init): Declaration changed.
6297 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6299 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6300 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6302 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6304 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6306 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6307 * pa/t-pa64: Delete quadlib.c rule.
6308 * pa/x-ada: Revert last change.
6309 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6311 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6313 PR rtl-optimization/26087
6314 * rtlanal.c (canonicalize_condition): Do not cross basic block
6317 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6320 * config/ia64/ia64.c: Include debug.h.
6321 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6322 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6323 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6324 (process_epilogue, process_set, process_for_unwind_directive):
6325 Output unwind info only if requested. Add CFA info if requested.
6326 Add new arguments as needed. Adjust callers.
6327 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6329 (DWARF2_FRAME_INFO): Define to zero.
6330 * config/ia64/unwind-ia64.c: Remove code that compensated for
6331 the CFA offset error fixed above.
6332 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6333 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6334 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6335 -funwind-tables and -fexceptions to enable frame info.
6336 (dwarf2out_frame_init): Define initial CFA even if
6337 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6338 DWARF2_UNWIND_INFO is nonzero, not just defined.
6339 (dwarf2out_frame_finish): Output non-EH call frame info only
6340 if DWARF2_FRAME_INFO is nonzero.
6341 (convert_cfa_to_loc_list,
6342 compute_frame_pointer_to_cfa_displacement): Define even if
6343 unwind info is not supported.
6344 (gen_subprogram_die): Use the above unconditionally. Remove
6345 legacy alternate code.
6346 * toplev.c (compile_file): Compile in call to
6347 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6348 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6350 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6351 Jakub Jelinek <jakub@redhat.com>
6353 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6354 IBM extended float format long double as "g" on powerpc*-linux.
6356 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6359 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6360 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6362 2006-02-03 Jason Merrill <jason@redhat.com>
6365 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6368 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6369 on the return slot if it's an NRV.
6371 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6373 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6374 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6375 rewrite_use): Do not handle USE_OUTER.
6376 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6377 add_iv_outer_candidates, may_replace_final_value,
6378 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6379 (find_interesting_uses_op): Functionality of
6380 find_interesting_uses_outer_or_nonlin moved here.
6381 (find_interesting_uses_outside): Use find_interesting_uses_op.
6383 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6386 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6388 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6389 Ulrich Weigand <uweigand@de.ibm.com>
6392 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6393 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6394 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6395 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6397 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6398 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6399 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6400 Define secondary reloads for TFmode moves.
6401 (constant_modes): Add TFmode.
6402 (NR_C_MODES): Set to 8.
6403 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6405 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6406 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6407 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6408 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6409 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6410 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6411 (FPR mode macro): Add TFmode.
6412 (DSF mode macro): New.
6413 (<de>, <dee> mode attributes): Removed.
6414 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6415 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6416 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6417 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6418 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6419 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6420 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6421 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6422 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6423 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6424 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6425 "*negabs<mode>2", "sqrt<mode>2"):
6426 Changed <de> to <xde>. R constraint replaced by <Rf>.
6427 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6429 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6430 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6431 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6433 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6434 "extenddftf2", "extendsftf2"): New expanders.
6435 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6436 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6437 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6438 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6440 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6441 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6442 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6443 __floatditf): Add a GCC_4.1.0 symbol version tag.
6444 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6447 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6450 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6451 Use targetm.binds_local_p instead of TREE_PUBLIC.
6453 2006-02-02 Roger Sayle <roger@eyesopen.com>
6455 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6456 on INTEGER_TYPEs to indicate that it denotes a character type.
6457 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6458 signed_char_type_node, unsigned_char_type_node and char_type_node.
6459 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6460 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6461 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6463 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6464 Daniel Berlin <dberlin@dberlin.org>
6466 * tree-tailcall.c (arg_needs_copy_p): New function.
6467 (eliminate_tail_call): Use arg_needs_copy_p.
6468 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6469 (add_virtual_phis): New function.
6471 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6473 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6474 #ignore instead of #scratch for %g7 .register directive.
6476 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6478 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6481 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6483 * flow.c (calculate_global_regs_live): Assert that there aren't any
6486 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6488 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6490 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6491 bsi_after_labels iterator.
6492 * tree-if-conv.c (find_phi_replacement_condition,
6493 replace_phi_with_cond_modify_expr): Likewise.
6494 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6495 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6497 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6499 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6501 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6504 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6505 array after growing it.
6507 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6510 * fold-const.c (fold_checksum_tree): Change type of buf.
6512 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6514 * reload.c (push_secondary_reload): Initialize t_icode.
6516 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6518 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6519 -msoft-float -mlong-double-128 only issue a warning, but don't
6520 swich to DFmode long double.
6522 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6524 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6525 has a constant equivalent, iterate over equivalents for arg0,
6526 calling simplify_relational_operation and if there's a result
6527 cheaper than X, apply fold_rtx and return the result.
6529 2006-02-01 Jan Hubicka <jh@suse.cz>
6531 * opts.c (no_unit_at_a_time_default): New global variable.
6532 (decode_options): Use it.
6533 * opts.h (no_unit_at_a_time_default): Declare.
6535 2006-02-01 Paul Brook <paul@codesourcery.com>
6537 * function.c (assign_parm_setup_reg): Use function argument promotion
6539 * expr.c (expand_expr_real_1): Use function argument promotion rules
6542 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6544 * gcc.c (process_command): Change j to 'unsigned int'.
6546 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6549 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6550 Use the corrected index for the character
6551 out of the string constant.
6553 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6555 * mode-switching.c (optimize_mode_switching): Fix size
6556 allocated for bb_info[n_entities].
6558 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6560 * gcc.c (main): Correct type that is allocated for
6561 explicit_link_files.
6563 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6565 * config/s390/s390.c (init_alignment_context): Set
6566 ALIAS_SET_MEMORY_BARRIER on the MEM.
6567 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6569 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6572 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6574 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6577 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6579 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6580 * regrename.c: Ditto.
6581 * tree-ssa-loop-im.c: Ditto.
6582 * tree-dump.c: Ditto.
6583 * tree-complex.c: Ditto.
6584 * genrecog.c: Ditto.
6585 * tree-ssa-threadupdate.c: Ditto.
6587 * java/class.c: Ditto.
6588 * java/jcf-parse.c: Ditto.
6589 * java/resource.c: Ditto.
6590 * java/except.c: Ditto.
6591 * java/jvspec.c: Ditto.
6592 * java/jcf-write.c: Ditto.
6593 * java/jcf-path.c: Ditto.
6594 * java/gjavah.c: Ditto.
6595 * java/zextract.c: Ditto.
6596 * java/jcf-io.c: Ditto.
6597 * java/jcf.h: Ditto.
6598 * java/buffer.c: Ditto.
6599 * java/lang.c: Ditto.
6600 * java/parse-scan.y: Ditto.
6601 * java/lex.c: Ditto.
6602 * java/lex.h: Ditto.
6603 * cfgloopmanip.c: Ditto.
6604 * postreload-gcse.c: Ditto.
6605 * tree-ssa-loop-manip.c: Ditto.
6606 * postreload.c: Ditto.
6607 * tree-ssa-loop-ch.c: Ditto.
6611 * diagnostic.c: Ditto.
6613 * genoutput.c: Ditto.
6615 * cfghooks.c: Ditto.
6616 * cfgloopanal.c: Ditto.
6617 * objc/objc-act.c: Ditto.
6619 * genextract.c: Ditto.
6620 * genautomata.c: Ditto.
6621 * pretty-print.c: Ditto.
6623 * cgraphunit.c: Ditto.
6626 * haifa-sched.c: Ditto.
6627 * dominance.c: Ditto.
6629 * tree-ssa-loop-ivopts.c: Ditto.
6631 * mode-switching.c: Ditto.
6632 * modulo-sched.c: Ditto.
6634 * ipa-pure-const.c: Ditto.
6636 * fix-header.c: Ditto.
6638 * tree-stdarg.c: Ditto.
6639 * ipa-utils.c: Ditto.
6640 * loop-init.c: Ditto.
6641 * ipa-inline.c: Ditto.
6644 * alloc-pool.c: Ditto.
6645 * dwarf2out.c: Ditto.
6647 * genattrtab.c: Ditto.
6648 * tree-ssa-loop-ivcanon.c: Ditto.
6652 * fortran/gfortranspec.c: Ditto.
6654 * local-alloc.c: Ditto.
6655 * langhooks.c: Ditto.
6656 * function.c: Ditto.
6657 * tree-vectorizer.c: Ditto.
6659 * ipa-type-escape.c: Ditto.
6661 * tree-if-conv.c: Ditto.
6664 * tree-data-ref.c: Ditto.
6665 * loop-unroll.c: Ditto.
6666 * treelang/treetree.c: Ditto.
6669 * ggc-common.c: Ditto.
6671 * coverage.c: Ditto.
6673 * tree-cfgcleanup.c: Ditto.
6674 * tree-ssa-pre.c: Ditto.
6675 * cfgcleanup.c: Ditto.
6676 * loop-invariant.c: Ditto.
6678 * ipa-prop.c: Ditto.
6679 * print-tree.c: Ditto.
6680 * conflict.c: Ditto.
6681 * ggc-page.c: Ditto.
6682 * sched-deps.c: Ditto.
6683 * regclass.c: Ditto.
6684 * tree-object-size.c: Ditto.
6686 * bb-reorder.c: Ditto.
6687 * resource.c: Ditto.
6688 * var-tracking.c: Ditto.
6690 * df-problems.c: Ditto.
6691 * reg-stack.c: Ditto.
6694 * sched-rgn.c: Ditto.
6695 * tree-ssa-structalias.c: Ditto.
6696 * tree-ssa-reassoc.c: Ditto.
6697 * config/darwin-c.c: Ditto.
6698 * config/darwin.c: Ditto.
6699 * config/arm/arm.c: Ditto.
6701 * collect2.c: Ditto.
6704 2006-01-31 Nicolas Pitre <nico@cam.org>
6706 * arm.md (smaxsi3): Make aware of smax_m1.
6709 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6711 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6713 2006-01-31 Richard Guenther <rguenther@suse.de>
6715 * doc/invoke.texi (-msselibm): Document.
6716 * target.h (expand_library_builtin): New target hook.
6717 * builtins.c (expand_builtin): Use expand_library_builtin.
6718 (default_expand_library_builtin): New function.
6719 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6720 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6721 (link_gcc_math_spec): Declare.
6722 (static_specs): Add link_gcc_math_spec.
6723 * expr.h (default_expand_library_builtin): Declare.
6724 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6725 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6726 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6727 * config/i386/i386.opt (msselibm): New target option.
6728 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6729 (ix86_init_sse_abi_builtins): New function.
6730 (ix86_expand_library_builtin): Likewise.
6731 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6732 (override_options): Handle error conditions wrt -msselibm.
6733 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6734 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6735 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6738 2006-01-31 Richard Guenther <rguenther@suse.de>
6739 Paolo Bonzini <bonzini@gnu.org>
6741 * doc/install.texi (--disable-libgcc-math): Document.
6743 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6745 * expr.h (expand_normal): new inline function.
6746 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6748 * dwarf2out.c: use it.
6753 * config/sparc/sparc.c: use it.
6754 * config/i386/i386.c: use it.
6755 * config/rs6000/rs6000.c: use it.
6756 * config/arm/arm.c: use it.
6757 * config/mips/mips.c: use it.
6758 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6760 2006-01-30 Roger Sayle <roger@eyesopen.com>
6762 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6763 argv to the appropriate type.
6765 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6767 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6770 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6773 * config/s390/s390.c (struct machine_function): New flag
6774 decomposed_literal_pool_addresses_ok_p.
6775 (s390_reorg): Set it before final stage of literal pool transforms.
6776 (s390_decompose_address): Only accept displacements of the form
6777 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6779 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6781 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6782 the comparison routine return.
6784 2006-01-30 Michael Matz <matz@suse.de>
6786 * global.c (find_reg): Only evict for global regs.
6787 Take n_refs into account and dump more info.
6789 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6792 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6793 (pragma_trap, pragma_nosave_low_regs): Likewise.
6794 (current_function_anonymous_args): Likewise.
6795 (sh_deferred_function_attributes): New variable.
6796 (sh_deferred_function_attributes_tail): Likewise.
6797 (print_operand): For '@', look up trap_exit attribute.
6798 (calc_live_regs): Look up trapa_handler attribute. For trapa
6799 handlers, save/restore fpscr, but don't do any other
6800 interrupt-specific saves.
6801 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6802 Fix check for partially saved registers to check for SHmedia.
6803 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6804 (sh_output_function_epilogue): Don't clear any of the removed
6806 (sh_insert_attributes): Don't check pragma_interrupt.
6807 Insert deferred attributes. Check that interrupt attribute is
6808 present for other attributes that require its presence.
6809 (sh_attribute_table): Add new attributes trapa_handler and
6811 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6812 Don't check for pragma_interrupt. Don't store argument.
6813 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6814 (sh_deferred_function_attributes): Declare.
6815 (sh_deferred_function_attributes_tail): Likewise.
6816 * sh.md (sp_switch_1): Add operand. Change generator caller.
6817 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6818 (*return_i): Don't use when trap_exit attribute is in effect.
6819 (*return_trapa): New insn pattern.
6821 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6822 setting c_target_objs and cxx_target_objs.
6823 * t-sh: Add rule for sh-c.o.
6825 2006-01-30 Richard Guenther <rguenther@suse.de>
6828 * gimplify.c (gimplify_target_expr): Handle easy cases
6829 without creating a temporary.
6831 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6833 * vec.h (safe_grow): Remove duplicated line.
6835 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6838 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6839 (expand_omp): ... here.
6840 (expand_omp_parallel): Only remove barriers for combined
6841 parallel+workshare constructs.
6843 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6847 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6848 * tree.c (build_qualified_type): Chain the new type to the original
6849 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6850 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6851 (build_pointer_type_for_mode): Only return unqualified types.
6852 (build_reference_type_for_mode): Likewise.
6854 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6856 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6857 * Makefile.in (CXX_COMPAT_WARN): Define.
6858 * configure: Regenerate.
6860 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6863 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6866 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6868 * toplev.c: Fix thinko.
6870 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6871 Marcin Dalecki <martin@dalecki.de>
6873 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6874 (push_srcloc): Use XNEW.
6875 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6877 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6879 * df-core.c (df_set_blocks): Deleted all variable.
6881 2006-01-28 Ian Lance Taylor <ian@airs.com>
6883 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6884 cgraph_output_pending_asms.
6886 2006-01-28 Zack Weinberg <zackw@panix.com>
6888 * c.opt: Add -W(no-)overlength-strings.
6889 * doc/invoke.texi: Document it.
6890 * c-opts.c (c_common_handle_option): -pedantic implies
6891 -Woverlength-strings, if not explicitly disabled already.
6892 (c_common_post_options): -Woverlength-strings defaults to off, and
6893 is always off for C++.
6894 * c-common.c (fix_string_type): Issue warning about strings longer
6895 than is portable only if warn_overlength_strings. Rearrange code
6896 a little for clarity.
6897 * configure.in: Check for -Wno-overlength-strings as well before
6898 enabling -pedantic in stage 1.
6899 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6900 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6902 * genconditions.c (write_header, write_one_condition)
6903 (write_conditions, write_writer): Consolidate very long strings
6904 that were broken up to fit in C89 portable limit. Don't use
6905 printf when fputs will do.
6907 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6909 * combine.c (simplify_comparison <AND>): Check
6910 TRULY_NOOP_TRUNCATION before start using a subreg.
6912 * config/mips/mips.md (*branch_zero<mode>,
6913 *branch_zero<mode>_inverted, *branch_equality<mode>,
6914 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6915 Remove mode check from comparisons.
6917 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6919 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6921 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6923 * expmed.c (const_mult_add_overflow_p): Remove.
6924 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6926 * recog.c (validate_replace_rtx_subexp): Remove.
6927 * recog.h: Remove the prototype for
6928 validate_replace_rtx_subexp.
6930 * integrate.h: Remove the prototype for
6931 copy_decl_for_inlining.
6932 * rtl.h: Remove the prototype for mark_constant_function.
6933 * tree-vectorizer.h: Remove the prototype for
6934 vect_strip_conversion.
6936 * modulo-sched.c (create_partial_schedule,
6937 free_partial_schedule, reset_partial_schedule): Make them
6940 * hooks.c (hook_bool_rtx_int_false): Remove.
6941 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6943 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6945 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6946 and -mlong-double-128 are incompatible.
6947 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6948 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6949 (TARGET_LIBGCC2_CFLAGS): Define.
6950 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6951 (TARGET_LIBGCC2_CFLAGS): Same.
6952 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6954 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6957 * c-typeck.c (build_binary_op): Perform implicit casts of
6958 operands before shortening them.
6960 * cfgloopmanip.c (split_loop_bb): Remove.
6961 * cfgloop.h: Remove the prototype for split_loop_bb.
6963 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6964 * cfgloop.h: Remove the prototype for
6965 flow_loop_outside_edge_p.
6967 * emit-rtl.c (init_virtual_regs): Make it static.
6968 * function.h: Remove the prototype for init_virtual_regs.
6970 * recog.c (peephole2_optimize): Make it static.
6971 * recog.h: Remove the prototype for peephole2_optimize.
6973 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6975 * df-scan.c (df_record_entry_block_defs): Check if
6976 INCOMING_RETURN_ADDR_RTX is defined.
6978 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6979 Kenneth Zadeck <zadeck@naturalbridge.com>
6981 PR rtl-optimization/24762
6982 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6983 * targhooks.c (hook_void_bitmap): New hook prototype.
6984 * targhoohs.h (hook_void_bitmap): Ditto.
6985 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6986 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6987 * target.h (live_on_entry): New function pointer.
6988 * df-scan.c (df_all_hard_regs): Removed.
6989 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6990 (df_scan_free_internal): Added df->entry_block_defs.
6991 (df_scan_alloc): Ditto.
6992 (df_scan_dump): Ditto.
6993 (df_uses_record): Plumbed flag field properly thru calls.
6994 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6995 This part fixes PR24762.
6996 (df_bb_refs_record): Added code to make the frame and arg
6997 pointers live in EH blocks.
6998 (df_refs_record): Added call to df_record_entry_block_defs.
6999 (df_record_entry_block_defs): New function.
7000 * df-core.c: Added comments to describe new artifical defs.
7001 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7002 (entry_block_defs): New field in struct df.
7003 (df_all_hard_regs): Deleted.
7004 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7005 * df-problems.c (df_ru_bb_local_compute_process_def):
7006 Added code to handle artifical defs in the entry to a function.
7007 (df_ru_bb_local_compute): Ditto.
7008 (df_rd_bb_local_compute_process_def): Ditto.
7009 (df_rd_bb_local_compute): Ditto.
7010 (df_lr_bb_local_compute): Ditto.
7011 (df_ur_bb_local_compute): Ditto.
7012 (df_urec_bb_local_compute): Ditto.
7013 (df_chain_create_bb): Ditto.
7014 (df_ur_local_finalize): Removed entry.
7015 (df_urec_init): Ditto.
7016 (df_urec_local_finalize): Ditto.
7017 (df_ri_bb_compute): Added detection of last use of pseudos.
7018 * Makefile.in (df-scan.o): Updated dependencies.
7019 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7020 * config/mips/mips.c (mips_set_live_on_entry): Added.
7021 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7023 * dce.c (marked_insn_p): Added code to handle artifical defs.
7025 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7027 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7029 (_mm_cvtsi128_si64): Likewise.
7030 (_mm_cvtsd_si64): Likewise.
7031 (_mm_cvttsd_si64): Likewise.
7032 (_mm_cvtsi64_sd): Likewise.
7033 (_mm_cvtsi64_si128): Likewise.
7034 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7035 (_mm_cvtsi64_m64): Likewise.
7036 (_m_to_int64): Likewise.
7037 (_mm_cvtm64_si64): Likewise.
7038 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7039 (_mm_cvttss_si64): Likewise.
7040 (_mm_cvtsi64_ss): Likewise.
7041 (_mm_cvtss_f32): Likewise.
7043 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7045 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7046 for pragma redefine_extname.
7048 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7051 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7052 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7053 -mno-minimal-toc to previous content.
7054 (bispecs): Remove goal.
7055 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7056 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7057 compatibility aliases on powerpc-*-*gnu*.
7058 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7059 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7060 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7061 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7062 (ldblspecs): New goal.
7063 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7064 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7066 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7067 L_sf_to_tf or L_df_to_tf is defined.
7069 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7070 Alan Modra <amodra@bigpond.net.au>
7073 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7074 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7075 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7076 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7077 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7078 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7079 (rs6000_override_options): Initialize rs6000_ieeequad.
7080 Initialize TFmode format to ibm_extended_format if not
7082 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7084 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7085 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7086 (function_arg_advance): IBM long double passed in two FPRs, not
7088 (function_arg): IBM long double passed in FPRs.
7089 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7090 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7091 Only multireg GPR aligned.
7092 (rs6000_init_libfuncs): Enable IBM long double functions if not
7094 (rs6000_generate_compare): Use IBM long double compare if not
7096 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7097 (TARGET_IEEEQUAD): Define.
7098 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7099 not TARGET_IEEEQUAD.
7100 * config/rs6000/rs6000.md: Enable TFmode patterns if
7102 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7103 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7104 and -mlong-double-128 are incompatible.
7105 * doc/invoke.texi (-mabi): Collect options together. Add
7106 ibmlongdouble and ieeelongdouble.
7108 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7110 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7112 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7113 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7114 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7115 * rtl.h (rtunion_def): Remove rt_ptr.
7117 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7118 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7119 * config/i386/winnt.c (i386_pe_mark_dllexport)
7120 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7122 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7124 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7126 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7130 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7131 pthread_key_delete. From John David Anglin. gthrw-ify
7132 pthread_getunique_np only if it it's not a macro. Delete
7134 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7135 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7136 __gthread_objc_condition_signal, __gthread_key_delete): Add
7137 "__attribute__ ((__unused__))" to unused arguments.
7138 (__gthread_recursive_mutex_init_function): Add missing return.
7139 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7140 gthr-posix95.h: Use macro-based approach for name redirection
7141 on targets missing weakref.
7143 2006-01-26 Zack Weinberg <zackw@panix.com>
7145 * genconditions.c (write_header): In generated code, #ifdef out
7146 all includes and fake declarations, except includes of bconfig.h
7147 and system.h, unless GCC_VERSION >= 3001. Do not include
7148 gensupport.h in any case.
7149 (write_conditions): Generate a definition of struct c_test. Add
7150 a comment to the generated #endif.
7151 (write_one_condition): Escape backslashes in string too.
7152 (write_writer): Generated code must escape backslashes and quote
7153 marks (but not newlines) in the strings it writes.
7154 * Makefile.in (build/gencondmd.o): Update dependencies.
7156 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7159 * Makefile.in (insn-automata.o): Add header file dependencies.
7160 * genautomata.c: Add includes.
7162 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7165 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7167 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7169 * configure.ac: Expect target tools paths to be passed from the toplevel
7170 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7172 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7174 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7177 * c.opt (Wpointer-sign): Init to -1.
7178 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7179 OPT_pedantic, to 0 otherwise.
7180 * doc/invoke.texi: Update.
7182 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7184 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7185 constants provided by 80387 instructions in the destination mode.
7187 2006-01-26 Richard Guenther <rguenther@suse.de>
7188 Andrew Pinski <pinskia@physics.uc.edu>
7191 partial PR tree-opt/17064
7192 * tree-ssa-structalias.c (intra_create_variable_infos):
7193 Create heap variables for incoming parameters if
7194 flag_argument_noalias > 1.
7195 (find_what_p_points_to): Look through default defs of
7198 2006-01-26 Jeff Law <law@redhat.com>
7201 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7202 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7203 within the VR_RANGE, use the VR_RANGE as the result, not the
7205 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7206 bounds for the type.
7208 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7210 * tree-ssa-alias.c (maybe_create_global_var): Change
7211 subvar walking to an assertion that we don't have subvar'd variables.
7213 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7216 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7217 Use a new variable, inner. PARM_DECLs are always non-weak.
7219 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7221 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7224 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7226 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7228 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7230 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7231 (smax_insn, smin_insn, smax_0, smin_0): New.
7233 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7236 * config/cris/cris.c (cris_order_for_addsi3): New function.
7237 * config/cris/cris-protos.h: Prototype it.
7238 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7239 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7240 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7241 (split for "op.S1 [rx=rx+i],ry (swapped)")
7242 (split for "op(s|u).S1 [rx=rx+i],ry")
7243 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7244 Apply cris_order_for_addsi3 when generating addsi3 insns.
7246 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7248 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7249 (TREE_BLOCK): Add call to EXPR_CHECK.
7251 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7254 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7255 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7256 (dump_omp_clauses): ... here.
7257 (dump_generic_node): Handle OMP_CLAUSE.
7258 * tree.c (omp_clause_num_ops): New.
7259 (omp_clause_code_name): New.
7260 (tree_code_size): Handle OMP_CLAUSE.
7261 (tree_size): Likewise.
7262 (make_node): Document handling of OMP_CLAUSE.
7263 (tree_node_structure): Handle OMP_CLAUSE.
7264 (omp_clause_check_failed): New.
7265 (omp_clause_range_check_failed): New.
7266 (omp_clause_operand_check_failed): New.
7267 (build_omp_clause): New.
7268 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7269 * tree.h (enum omp_clause_code): Declare.
7270 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7271 (OMP_CLAUSE_RANGE_CHECK): Define.
7272 (OMP_CLAUSE_ELT_CHECK): Define.
7273 (omp_clause_check_failed): Declare.
7274 (omp_clause_operand_check_failed): Declare.
7275 (omp_clause_range_check_failed): Declare.
7276 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7277 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7278 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7279 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7280 (OMP_CLAUSE_IF_EXPR): Likewise.
7281 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7282 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7283 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7284 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7285 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7286 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7287 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7288 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7289 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7290 (OMP_CLAUSE_CODE): Define.
7291 (OMP_CLAUSE_SET_CODE): Define.
7292 (OMP_CLAUSE_CODE): Define.
7293 (OMP_CLAUSE_OPERAND): Define.
7294 (struct tree_omp_clause): Declare.
7295 (union tree_node): Add field 'omp_clause'.
7296 * treestruct.def (TS_OMP_CLAUSE): Define.
7297 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7298 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7299 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7300 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7301 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7302 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7303 (OMP_CLAUSE): Define.
7304 * print-tree.c (print_node): Handle OMP_CLAUSE.
7305 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7306 * c-typeck.c: Likewise.
7307 * gimplify.c: Likewise.
7308 * c-omp.c: Likewise.
7309 * tree-nested.c: Likewise.
7310 * tree-inline.c: Likewise.
7311 * c-parser.c: Likewise.
7312 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7315 2006-01-25 Roger Sayle <roger@eyesopen.com>
7317 PR rtl-optimization/25703
7318 * combine.c (try_combine): Handle zero_extract and strict_low_part
7319 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7321 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7323 * global.c: Fix comment typos.
7325 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7328 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7329 Use output_addr_const instead of assemble_name.
7331 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7333 * Makefile.in (sched-vis.o): Update dependencies.
7334 * haifa-sched.c (sched_finish): Clear current_sched_info.
7335 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7336 (dump_flow_info): Call it.
7337 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7339 * basic-block.h (dump_bb_info): Declare.
7340 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7341 option, and apply options only for dump files whose TDF_RTL,
7342 TDF_TREE, or TDF_IPA bits match.
7343 * rtl.h: Declare new functions exported from sched-vis.c.
7344 * sched-vis.c: Enable also if scheduling is not used.
7345 (print_value): Print the mode of registers if not inside scheduling.
7346 (print_insn): Make it work outside the scheduler. Beautify the output
7348 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7350 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7352 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7353 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7354 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7355 depending on the value of CONSTANT_POOL_ADDRESS_P.
7356 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7358 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7359 rather than SYMBOL_REF_DECL.
7360 (rtx_constant_pool): Remove const_rtx_sym_htab.
7361 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7362 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7363 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7364 Remove handling of const_rtx_sym_htab.
7365 (find_pool_constant): Delete.
7366 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7367 rather than find_pool_constant.
7368 (get_pool_constant_for_function): Delete.
7369 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7371 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7372 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7373 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7374 (SYMBOL_REF_CONSTANT): New macro.
7375 (get_pool_constant_for_function): Delete.
7376 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7377 rather than SYMBOL_REF_DECL.
7378 (i386_pe_mark_dllimport): Likewise.
7379 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7380 rather than SYMBOL_REF_DECL.
7381 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7382 (machopic_indirect_call_target): Likewise.
7384 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7386 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7388 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7390 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7392 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7394 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7396 2006-01-24 David Daney <ddaney@avtrex.com>
7399 * configure.ac (enable_tls): New enable option.
7400 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7401 * configure: Regenerate.
7402 * doc/install.texi (--enable-tls): Document new option.
7403 (--disable-tls): Ditto.
7405 2006-01-24 Richard Henderson <rth@redehat.com>
7407 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7408 * alias.c (true_dependence): Respect it.
7409 (canon_true_dependence, write_dependence_p): Likewise.
7410 * builtins.c (get_builtin_sync_mem): Set it.
7412 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7414 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7417 2006-01-24 DJ Delorie <dj@redhat.com>
7419 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7420 for storing constants in single-bit bitfields.
7422 2006-01-25 Ben Elliston <bje@au.ibm.com>
7424 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7426 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7429 * tree-ssa-pre.c (phi_translate): Return NULL
7430 for AGGREGATE_TYPE's.
7432 2006-01-24 Zack Weinberg <zackw@panix.com>
7434 * genautomata.c (process_state_for_insn_equiv_partition):
7435 Use xcalloc for insn_arcs_array.
7436 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7437 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7439 2006-01-24 Richard Henderson <rth@redhat.com>
7441 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7444 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7446 PR rtl-optimization/25890
7447 PR rtl-optimization/25905
7448 * combine.c (expand_compound_operation, expand_field_assignment):
7449 Fail if the bitfield's final position is out of bounds.
7451 2006-01-24 Ian Lance Taylor <ian@airs.com>
7454 * cgraphunit.c (cgraph_output_in_order): Don't clear
7455 cgraph_asm_nodes until after asm strings have been output.
7457 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7459 * fix-header.c (read_scan_file): Add new parameter imultilib when
7460 calling register_include_chains.
7462 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7464 * omp-low.c: Update documentation.
7466 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7467 Daniel Berlin <dberlin@dberlin.org>
7471 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7472 return from the function.
7474 2006-01-22 Zack Weinberg <zackw@panix.com>
7476 * rtl.def (match_code): Add second argument.
7477 * genpreds.c (write_extract_subexp): New function.
7478 (write_match_code): Add path argument. Use write_extract_subexp.
7479 (write_predicate_expr): Pass path to write_match_code.
7480 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7481 not perform a mode test.
7482 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7483 a subexpression does not constrain the top-level code set.
7484 * read-rtl.c (read_rtx_variadic): New function.
7485 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7486 * doc/md.texi: Document new notation.
7487 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7488 (cmpsi_operand): ... here, using new notation.
7490 2006-01-22 Zack Weinberg <zackw@panix.com>
7492 * varray.c: Remove GENERATOR_FILE #ifdefs.
7494 2006-01-22 Zack Weinberg <zackw@panix.com>
7496 * genautomata.c (output_reserved_units_table): Emit nothing if
7497 description->query_units_num is zero. Remove extra blank line.
7498 (output_cpu_unit_reservation_p): Short circuit
7499 if description->query_units_num is zero.
7501 2006-01-22 Zack Weinberg <zackw@panix.com>
7503 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7504 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7505 nor any of the random handful of variables that used to be necessary
7506 when this program was linked with rtlanal.o. Prune set of forward
7507 function declarations.
7508 (struct attr_desc): Remove static_p field.
7509 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7510 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7511 (attr_string): Do not read the character one past the length of
7513 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7514 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7515 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7516 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7517 (make_automaton_attrs): New.
7518 (main): Do not call into genautomata. Call local gen_bypass
7519 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7520 Remove special case for insn_alts.
7521 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7522 varray.h (leftover from previous change). Prune set of forward
7523 function declarations. Remove state_alts fields from all
7524 structures. Remove state_alts_table from struct automaton.
7525 Make everything except main static. Do not maintain num_dfa_decls.
7526 Do not maintain state_alts fields of various structures.
7527 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7528 (add_arc): Remove state_alts argument. All callers updated.
7529 (output_reserved_units_table): Emit #ifdef here...
7530 (output_tables): ...not here. Don't generate state_alts tables.
7531 (expand_automata): Don't generate attributes.
7532 (write_automata): Don't generate state_alts functions.
7533 (main): New function.
7534 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7535 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7536 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7537 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7538 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7539 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7540 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7541 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7543 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7544 * genattrtab.h: Delete file.
7545 * Makefile.in (OBJS-common): Add insn-automata.o.
7546 (insn-automata.o): New rule.
7547 (simple_generated_c): Add insn-automata.c.
7548 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7549 (genprogmd): Add automata.
7550 (build/genattrtab): Needs no extra objects nor libraries.
7551 (build/genautomata): Needs build/vec.o and -lm.
7553 2006-01-22 Zack Weinberg <zackw@panix.com>
7555 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7556 (output_dfa_max_issue_rate, locked_states_num): Delete.
7557 (struct automaton): Add locked_states field.
7558 (output_dead_lock_vect): Save number of locked states in
7559 automaton->locked_states. If it is zero, don't print anything.
7560 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7561 (output_internal_dead_lock_func): Only test the dead_lock_vect
7562 for automata that have locked states.
7563 (output_statistics): Always print the number of locked states for
7564 each automaton. Calculate total number of locked states here.
7565 (write_automata): Don't call output_dfa_max_issue_rate.
7566 * genattrtab.c: Define length_unit_log as a const variable.
7567 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7568 max_insn_queue_index const.
7569 * final.c (length_unit_log): Declare const.
7570 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7572 2006-01-22 Zack Weinberg <zackw@panix.com>
7574 * genautomata.c: Include vec.h, not varray.h.
7575 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7576 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7577 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7578 VEC_* macros operating on appropriately typed vectors, or to
7579 malloced arrays when the size is known in advance. Const-ify
7580 many char* variables and function arguments. No functional changes.
7581 * Makefile.in (build/varray.o): Delete rule.
7582 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7583 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7585 2006-01-22 Zack Weinberg <zackw@panix.com>
7587 * gensupport.c: Define get_insn_name and record_insn_name here.
7588 (read_md_rtx): Call record_insn_name as appropriate.
7589 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7590 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7591 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7593 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7594 (BUILD_VARRAY): Delete.
7595 (genprognormal): Rename genprogmd. Fold in all programs from
7596 genprognoprint; also attrtab.
7597 (build/genattrtab): Just mention genautomata.o and varray.o.
7598 Reorganize a bit, add comments to make the categories clearer.
7600 2006-01-22 Zack Weinberg <zackw@panix.com>
7602 * genconditions.c (condition_table, add_condition): Delete.
7603 (write_conditions): Don't emit n_insn_conditions nor
7604 insn_elision_unavailable. Issue the gcc version #ifdef here,
7605 inside the table, with no #else clause ...
7606 (write_header): ...not here.
7607 (write_writer): New function.
7608 (main): Don't initialize condition_table. Use add_c_test.
7610 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7611 files on the command line.
7612 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7613 Return -1 if there is no entry in the table, don't abort.
7614 (add_c_test, traverse_c_tests): New functions.
7615 * gensupport.h (insn_elision_unavailable, insn_conditions)
7616 (n_insn_conditions): Delete declarations.
7617 (add_c_test, traverse_c_tests): Declare.
7618 * read-rtl.c: Include gensupport.h.
7619 (read_conditions): New function.
7620 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7621 (read_rtx_1): If we get EOF when we were looking for an initial
7622 open paren, return 0. Call read_conditions when appropriate.
7623 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7624 dummy-conditions.o. Eliminate references to insn-conditions.o,
7625 or change them to build/gencondmd.o, as appropriate. Remove
7626 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7627 from $(simple_generated_c). For all files remaining in those
7628 two lists, add insn-conditions.md to the generator command line.
7629 Give insn-constants.h/s-constants their own rules. Add rules
7630 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7631 (build/read-rtl.o): Depend on gensupport.h.
7632 (genprognormal): Include preds.
7633 (genprogearly): Rename genprognoprint; only difference is now that
7634 they don't link with $(BUILD_PRINT).
7635 * dummy-conditions.c: Delete.
7637 2006-01-22 Zack Weinberg <zackw@panix.com>
7639 * genextract.c: Don't include insn-config.h. Do include vec.h.
7640 Declare vectors of int, char, and locstr.
7641 (locstr): New typedef.
7642 (struct extraction): Make all array fields into bare pointers.
7643 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7644 (insn_code_number): Delete.
7645 (accum_extract): New struct.
7646 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7647 (gen_insn): Take insn_code_number as an argument. Use an
7648 accum_extract structure instead of loading data directly into
7649 a struct extraction, and having to know how big it might get.
7650 (walk_rtx): Operate entirely on an accum_extract structure.
7651 (print_path): Avoid unnecessary use of printf.
7652 (print_header): New function, split out of main. Distinguish
7653 more carefully between an unrecognizable insn and an insn that
7654 has the code number of a define_expand.
7655 (main): Pass insn_code_number to gen_insn. Call print_header
7656 only after parsing. Avoid unnecessary use of printf.
7657 * Makefile.in (build/vec.o): New rule.
7658 (build/genextract): Depend on build/vec.o.
7659 (build/genextract.o): Don't depend on insn-config.h.
7661 2006-01-22 Zack Weinberg <zackw@panix.com>
7663 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7664 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7665 practical. Eliminate per-generator-program link rules.
7667 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7670 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7671 with a call expr to ...
7672 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7674 2006-01-23 Richard Guenther <rguenther@suse.de>
7676 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7677 before make_edge with conditional EDGE_TRUE_VALUE.
7679 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7680 Jan Hubicka <jh@suse.cz>
7681 Richard Guenther <rguenther@suse.de>
7683 PR rtl-optimization/25654
7684 * cfgexpand.c (aggregate_contains_union_type): New function.
7685 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7686 for structure variables that contain a union type.
7688 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7690 * gengtype.c (new_structure): Return the structure.
7691 (create_option): Add an extra "next" argument.
7692 (create_field): New function.
7693 (adjust_field_rtx_def): Use create_option and create_field.
7694 Remove a now-unnecessary call to find_structure.
7695 (adjust_field_tree_def): Likewise.
7696 (note_yacc_type): Remove an unnecessary call to find_structure.
7697 * gengtype.h (new_structure): Return the structure.
7698 (create_option): Add an extra argument.
7699 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7700 (option): Adjust calls to create_option.
7702 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7704 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7706 2006-01-22 Paul Brook <paul@codesourcery.com>
7707 Peter Barada <peter@the-baradas.com>
7709 * config/m68k/m68k.md: Add Coldfire FPU support.
7710 Define FP mode macro and associated attributes.
7711 Use it for float mode patterns.
7712 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7713 (LIBCALL_VALUE): Use m68k_libcall_value.
7714 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7715 (m68k_function_value): Ditto.
7716 (emit_move_sequence): Ditto.
7717 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7718 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7719 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7720 (MULTILIB_EXCEPTIONS): Ditto.
7721 * config/m68k/m68k.opt: Add mcfv4e.
7722 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7723 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7724 (m68k_output_function_prologue): Save ColdFire FPU registers.
7725 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7726 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7727 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7728 ColdFire FPU registers.
7729 (m68k_libcall_value, m68k_function_value): New functions.
7730 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7731 (LIBCALL_VALUE): Use m68k_libcall_value.
7732 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7733 (MASK_COLDFIRE): Add MASK_CFV4E.
7734 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7735 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7736 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7737 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7738 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7739 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7740 * doc/invoke.tex: Document -mcfv4e on m68k.
7742 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7744 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7747 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7750 * c-opts.c (c_common_handle_option): Don't include
7751 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7752 * doc/invoke.texi (C++ Dialect Options): Document that
7753 -Wnon-virtual-dtor is no longer included in -Wall.
7755 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7757 * gcov.c (print_version), gcov-dump.c (print_version),
7758 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7761 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7763 * df-scan.c (problem_SCAN): Added NULL reset function.
7764 (df_scan_reset_blocks): Added code to call reset block function
7765 (df_bb_refs_delete) Fixed comment.
7766 (df_insn_refs_delete): Made tolerant of deleting non existent info
7767 for dataflow problems that need to be reset.
7768 * df-core.c (df_set_blocks): Ditto.
7769 * df.h (struct df_problem): Added reset_fun.
7770 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7771 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7772 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7773 functions to clear out all references to def-use or use-def chains.
7775 2006-01-21 Ben Elliston <bje@au.ibm.com>
7777 * varasm.c (assemble_real): Initialise data array.
7779 2006-01-20 Paul Brook <paul@codesourcery.com>
7781 Merge from csl-arm-branch.
7782 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7783 * config/arm/arm.md (movdi): Force operands[1] to a register
7784 if we have a non-register source.
7785 (*arm_movdi, *movdf_soft_insn): Require that one of the
7786 operands be a register.
7787 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7788 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7790 2006-01-20 DJ Delorie <dj@redhat.com>
7792 * varasm.c (initialize_constant_valid_p): Allow pointers
7793 initialized from integer constants of lesser precision.
7794 (output_constant): Allow non-int-sized pointer modes to be
7795 initialized from integer constants.
7797 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7800 * cppdefault.h (struct default_include): Add multilib flag.
7801 * cppdefault.c (cpp_include_defaults): Set it.
7802 * c.opt (-imultilib): New option.
7803 * c-opts.c (imultilib): New.
7804 (c_common_handle_option): Handle -imultilib.
7805 (c_common_post_options): Likewise.
7806 * c-incpath.c (add_standard_paths, register_include_chains):
7808 * c-incpath.h (register_include_chains): Add extra parameter.
7809 * gcc.c (do_spec_1): Generate -imultilib option.
7810 (The Specs Language): Update %I description.
7811 (process_command): Update copyright notice.
7812 * doc/cppopts.texi (-imultilib): Document.
7813 * doc/invoke.texi (-imultilib): Include in option summary.
7814 (%I): Update specs documentation.
7816 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7818 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7820 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7822 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7825 2006-01-20 Richard Guenther <rguenther@suse.de>
7826 Steven Bosscher <stevenb.gcc@gmail.com>
7828 PR rtl-optimization/24626
7829 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7830 EDGE_TRUE_VALUE if in RTL mode.
7833 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7834 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7836 2006-01-20 Dirk Mueller <dmueller@suse.com>
7839 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7840 instead of a special NOP marker.
7841 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7842 NOP marker handling.
7843 * c-common.h (empty_body_warning): Add forward declaration.
7844 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7845 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7847 2006-01-20 Paul Brook <paul@codesourcery.com>
7849 * Makefile.in (lang_checks): Keep going if mkdir fails.
7851 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7853 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7854 be able to clean out basic block when not necessary.
7855 (df_scan_free): Fixed to properly delete information if df is
7856 unused before calling df_finish.
7857 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7858 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7860 (df_bb_refs_delete): New function.
7861 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7862 * df-core.c (df_set_blocks): Added code to properly clean out
7863 unused blocks if they are not part of the blocks to consider.
7864 Added additional null check.
7865 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7866 be able to clean out basic block when not necessary
7867 * df.h (df_free_bb_function): Ditto.
7868 (df_bb_refs_delete): New function.
7869 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7870 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7871 basic block parameter to be able to clean out basic block when not
7873 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7874 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7875 Fixed to properly delete information if df is unused before
7878 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7880 PR rtl-optimization/25799
7881 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7882 Corrected confluence operator to remove bits from op2 before oring
7883 with op1 rather than removing bits from op1.
7884 (df_ru_transfer_function): Corrected test on wrong bitmap which
7885 caused infinite loop. Both of these problems were introduced in
7886 the dataflow rewrite.
7888 2006-01-19 DJ Delorie <dj@redhat.com>
7890 * reload1.c (find_reload_regs): Note the details of reload
7891 failures in the dump file.
7892 (spill_failure): Likewise.
7894 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7896 * loop-iv.c: Include df.h and hashtab.h.
7897 (enum iv_grd_result): New enum.
7898 (DF_REF_IV, DF_REF_IV_SET): New macros.
7899 (struct biv_entry): New.
7900 (df, bivs): New global variables.
7901 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7902 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7904 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7905 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7906 analyzed_for_bivness_p, record_biv): New functions.
7907 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7908 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7909 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7911 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7913 (iv_number_of_iterations): Use new interface to iv analysis.
7914 * loop-unroll.c: Do not include varray.h.
7915 (analyze_iv_to_split_insn): Use new interface to iv
7917 * loop-unswitch.c (may_unswitch_on): Ditto.
7918 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7920 (df_bb_modify): Realloc tables to the new index.
7921 (df_find_use): New function.
7922 * df.h (df_find_use): Declare.
7923 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7925 * cfgloop.h (struct rtx_iv): Remove analysed field.
7926 (iv_get_reaching_def): Removed.
7927 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7928 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7929 (loop-iv.o): Add df.h and hashtab.h dependency.
7930 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7932 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7935 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7937 (__floatundisf, __floatundidf): Likewise.
7938 * libgcc2.h (IS_IBM_EXTENDED): Define.
7940 2006-01-19 DJ Delorie <dj@redhat.com>
7942 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7944 2006-01-19 Paul Brook <paul@codesourcery.com>
7946 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7947 as nothrow when unwinding tables are disabled.
7949 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7952 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7953 of bit-field" when in system header.
7955 2006-01-19 DJ Delorie <dj@redhat.com>
7957 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7958 the 16 bit shift limit of the m16c.
7960 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7963 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7964 * config/i386/i386.c (output_set_got): Output the label if we have one
7965 for the TARGET_DEEP_BRANCH_PREDICTION case.
7967 2006-01-19 Jan Hubicka <jh@suse.cz>
7968 H.J. Lu <hongjiu.lu@intel.com>
7969 Evandro Menezes <evandro.menezes@amd.com>
7971 * invoke.texi (generic): Document
7973 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7974 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7975 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7976 (x86_use_incdec, x86_pad_returns): New variables
7977 (TARGET_CPU_DEFAULT_generic): New constant
7978 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7979 (enum processor_type): Add generic32 and generic64.
7980 * i386.md (cpu attribute): Add generic32/generic64
7981 (movhi splitter): Behave sanely when both partial_reg_dependency and
7982 partial_reg_stall are set.
7983 (K8 splitters): Enable for generic as well.
7984 * predicates.md (incdec_operand): Use TARGET_INCDEC
7985 (aligned_operand): Avoid memory mismatch stalls.
7986 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7987 * ppro.md: Enable for generic32
7988 * i386.c (generic64_cost, generic32_cost): New.
7989 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7990 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7991 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7992 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7993 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7994 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7995 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7996 x86_accumulate_outgoing_args, x86_prologue_using_move,
7997 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7998 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8000 (x86_use_incdec, x86_pad_returns): New.
8001 (override_options): Add generic32 and generic64, translate "generic"
8002 to generic32/generic64 and "i686" to "generic32", refuse
8003 "generic32"/"generic64" as arch target.
8004 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8005 (ix86_reorg): Honor PAD_RETURNS.
8007 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8009 * tree-pretty-print.c (dump_generic_node): Handle
8010 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8011 * cgraph.c (cgraph_expand_queue): Rename from
8012 cgraph_analyze_queue. Update all users.
8013 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8014 cgraph_expand_queue.
8015 (cgraph_expand_all_functions): Likewise.
8016 (cgraph_finalize_pending_functions): Remove. Update callers.
8018 * tree.h (OMP_DIRECTIVE_P): Define.
8019 (OMP_PARALLEL_FN): Define.
8020 (OMP_PARALLEL_DATA_ARG): Define.
8021 (OMP_SECTIONS_SECTIONS): Define.
8022 * tree-pass.h (pass_expand_omp): Declare.
8023 * omp-low.c (struct omp_region): Declare.
8024 (struct omp_context): Remove fields 'parallel_type',
8025 'parallel_start_ix' and 'parallel_start_additional_args'.
8027 (struct omp_for_data): Rename from struct expand_omp_for_data.
8028 (omp_regions): New static variable.
8029 (root_omp_region): New static variable.
8030 (find_omp_clause): Make static.
8031 (is_in_combined_parallel_ctx): Remove.
8032 (is_combined_parallel): New.
8033 (extract_omp_for_data): Move earlier in the file.
8034 (workshare_safe_to_combine_p): New.
8035 (get_ws_args_for): New.
8036 (determine_parallel_type): Move earlier in the file.
8037 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8039 (omp_copy_decl): Likewise.
8040 (create_omp_child_function): Likewise.
8041 (lookup_omp_region): New.
8042 (dump_omp_region): New.
8043 (debug_omp_region): New.
8044 (debug_all_omp_regions): New.
8045 (new_omp_region): New.
8046 (scan_omp_parallel): If parallel_nesting_level > 1, the
8047 directive is nested within another parallel directive.
8048 Set OMP_PARALLEL_FN.
8049 (scan_omp_for): Do not try to handle combined parallel+for
8051 Remove FIXME comment.
8052 (scan_omp_nested): Remove.
8053 (scan_omp_1): Do not call scan_omp_nested when
8054 parallel_nesting_level is > 1.
8055 Do not change the DECL_CONTEXT of local variables found.
8056 (lookup_decl_in_outer_ctx): New.
8057 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8058 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8059 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8060 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8061 If CTX is nested, lookup VAR in the outer context when
8062 building copy assignment.
8063 (lower_send_clauses): Rename from expand_send_clauses.
8064 If CTX is nested, lookup VAR in the outer context when
8065 building copy assignments.
8066 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8067 If CTX is nested, lookup VAR in the outer context when
8068 building copy assignments.
8069 (expand_parallel_call): Rename from build_parallel_call.
8070 Handle combined parallel+workshare cases.
8071 Re-implement to emit code into the CFG.
8073 (expand_omp_parallel): Re-implement to emit code into the CFG.
8074 Call move_sese_region_to_fn to outline the sub-graph
8075 containing the parallel region.
8076 (expand_omp_for_1): Remove.
8077 (expand_omp_for_generic): Re-implement to emit code into the
8079 (expand_omp_for_static_nochunk): Likewise.
8080 (expand_omp_for_static_chunk): Likewise.
8081 (expand_omp_for): Likewise.
8082 (expand_omp_sections): Likewise.
8083 (remove_exit_barriers): New.
8084 (expand_omp_synch): New.
8086 (build_omp_regions_1): New.
8087 (build_omp_regions): New.
8088 (execute_expand_omp): New.
8089 (gate_expand_omp): New.
8090 (pass_expand_omp): Define.
8091 (lower_omp_sections): Rename from expand_omp_sections.
8092 Set OMP_SECTIONS_SECTIONS.
8093 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8094 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8095 (lower_omp_single): Rename from expand_omp_simple.
8096 (lower_omp_master): Rename from expand_omp_master.
8097 (lower_omp_ordered): Rename from expand_omp_ordered.
8098 (lower_omp_critical): Rename from expand_omp_critical.
8099 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8100 (lower_omp_for): Re-implement.
8101 (lower_omp_parallel): Re-implement.
8102 (lower_regimplify): Rename from expand_regimplify.
8103 (lower_omp_1): Rename from expand_omp_1.
8104 If there are syntax errors in the program, replace every
8105 OpenMP directive with NOP.
8106 Call lower_omp_* instead of expand_omp_*.
8107 (lower_omp): Rename from expand_omp.
8109 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8110 * tree-gimple.h (enum omp_parallel_type): Remove.
8111 (gimple_boolify): Declare extern.
8112 (find_omp_clause, determine_parallel_type): Remove.
8114 * gimple-low.c (lower_omp_directive): New.
8115 (lower_stmt): Call it.
8116 (record_vars_into): Move from ...
8117 (record_vars): ... here.
8118 Call record_vars_into with current_function_decl.
8120 * gimplify.c (struct gimplify_ctx): Remove fields
8121 combined_pre_p and combined_ctxp. Update users.
8122 (get_formal_tmp_var): Add documentation.
8123 (gimple_boolify): Make extern.
8124 (gimplify_expr_in_ctx): Remove. Update callers.
8125 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8126 will always be a BIND_EXPR.
8127 (gimplify_expr): Handle OMP_RETURN_EXPR.
8128 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8129 (OMP_PARALLEL): Add 3 operands.
8130 (OMP_SECTIONS): Add 1 operand.
8131 (OMP_RETURN_EXPR): Define.
8133 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8134 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8135 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8136 creating a circular free list.
8137 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8139 * tree-flow.h (move_sese_region_to_fn): Declare.
8140 (record_vars_into): Declare.
8141 * tree-cfg.c (make_omp_sections_edges): New.
8142 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8143 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8144 OMP_SECTIONS and OMP_SECTION.
8145 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8146 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8147 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8148 (gather_blocks_in_sese_region): New.
8149 (struct move_stmt_d): Declare.
8151 (move_block_to_fn): New.
8152 (move_sese_region_to_fn): New.
8154 * passes.c (init_optimization_passes): Schedule
8155 pass_expand_omp after pass_init_datastructures.
8157 * tree-ssa-operands.c (get_expr_operands): Handle
8158 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8159 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8161 2006-01-19 Jeff Law <law@redhat.com>
8163 * tree-vrp.c (extract_range_from_assert): Refine the result range
8164 if the variable referenced by the ASSERT_EXPR has a range and
8165 either the tentative result range or the previous range is a
8168 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8170 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8172 2006-01-19 Jan Hubicka <jh@suse.cz>
8174 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8176 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8178 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8179 (expand_compound_operation, expand_field_assignment): Fail if the
8180 bit lengths of an extract operation are out of range.
8181 (make_extraction): Compute wanted_inner_mode based on the position
8182 and length of the extraction. Make it extraction_mode for non-constant
8183 positions, and do not modify offset in that case. When generating a
8184 new MEM, use a mode that can hold the extraction while keeping correct
8185 alignment. Remove code that supported MEMs wrapped by USEs.
8186 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8188 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8190 * config/s390/s390.md ("Y", "y"): New mode attribute.
8191 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8192 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8193 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8194 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8195 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8196 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8197 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8198 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8199 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8200 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8201 "addsi3", "subsi3"): Insn patterns removed.
8202 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8203 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8204 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8205 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8206 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8207 "*sub<mode>3_cconly2"): New insn patterns.
8208 ("addsi3", "subsi3"): New expanders.
8210 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8212 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8213 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8214 existing STMT_VINFO_VECTYPE if available.
8215 (vect_mark_relevant): Add special handling for stmts that are
8216 marked as STMT_VINFO_IN_PATTERN_P.
8217 (vect_analyze_loop): Call vect_pattern_recog.
8218 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8219 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8221 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8222 (vect_recog_func_ptr): New function-pointer type.
8223 * tree-vect-patterns.c: New file.
8224 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8225 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8226 (vect_pattern_recog_1): New functions.
8227 (vect_pattern_recog_funcs): New array of function pointers.
8229 * tree-vectorizer.h (ternary_op): New enum value.
8230 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8231 declaration. Revised documentation. Removed redundant dump prints.
8232 Removed redundant argument. Added support for reduction patterns.
8233 (vectorizable_reduction): Added support for reduction patterns.
8234 (vect_transform_stmt): Added support for patterns.
8236 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8237 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8238 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8239 (expand_widen_pattern_expr): New function.
8240 (init_optabs): Initialize new optabs udot_prod_optab,
8242 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8243 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8244 (expand_widen_pattern_expr): New function declaration.
8245 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8247 * tree-inline.c (estimate_num_insns_1): Added cases for new
8248 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8249 * tree-pretty-print.c (dump_generic_node): Likewise.
8250 (op_prio): Likewise.
8251 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8252 * tree-ssa-operands.c (get_expr_operands): Added case for
8254 * tree-vect-patterns.c (widened_name_p): New function.
8255 (vect_recog_dot_prod_pattern): Added function implementation.
8256 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8257 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8258 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8259 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8261 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8262 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8263 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8264 (init_optabs): Initialize new optabs widen_ssum_optab,
8266 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8267 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8268 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8269 use instead of type of def.
8270 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8271 function implementation.
8272 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8273 widen_ssumv8hi): New.
8275 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8278 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8281 * c-decl.c (add_flexible_array_elts_to_size): New function.
8282 (finish_decl): Use it.
8284 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8286 * diagnostic.h: Include options.h.
8287 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8288 dependancies for diagnostic.h.
8289 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8291 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8293 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8294 (ssa_ro_call_cache_valid): Ditto.
8295 * tree-ssa-alias.c (sort_tags_by_id): New function.
8296 (init_transitive_clobber_worklist): Ditto.
8297 (add_to_worklist): Ditto.
8298 (mark_aliases_call_clobbered): Ditto.
8299 (compute_tag_properties): Ditto.
8300 (set_initial_properties): Ditto.
8301 (compute_call_clobbered): Ditto.
8302 (compute_may_aliases): Call compute_call_clobbered and grouping.
8303 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8304 (compute_flow_insensitive_aliasing): Grouping now happens in our
8306 (setup_pointers_and_addressables): Remove clobbering related code.
8307 (add_may_alias): Ditto.
8308 (replace_may_alias): Ditto.
8309 (get_nmt_for): Ditto.
8310 (create_global_var):
8311 (is_escape_site): Return an escape_type enumeration.
8312 * tree-flow-inline.h (is_call_clobbered): Global var does not
8313 imply call clobbered.
8314 (mark_call_clobbered): Take a reason for marking this. Remove
8315 marking of globalness, and cache invalidation.
8316 (clear_call_clobbered): Remove cache invalidation code.
8317 * tree-dfa.c (dump_variable): If details is on, dump the reason
8319 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8321 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8322 (struct var_ann_d): Ditto.
8323 (enum escape_type): New.
8324 (mark_call_clobbered): Adjust prototype.
8325 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8326 are never call clobbered.
8327 Record reasons for escaping.
8328 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8329 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8330 (ssa_ro_call_cache_valid): Ditto.
8331 (clobbered_v_may_defs): Ditto.
8332 (clobbered_vuses): Ditto.
8333 (ro_call_vuses): Ditto.
8334 (clobber_stats): New.
8335 (init_ssa_operands): Zero out clobber stats.
8336 (fini_ssa_operands): Print out clobber stats.
8337 (get_call_expr_operands): Pass callee fndecl to
8339 (add_call_clobber_ops): Remove use of cache.
8340 Add use of PURE_CONST information.
8341 (add_call_read_ops): Remove use of cache.
8342 Add use of static not_read information.
8344 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8346 Introduce TLS descriptors for i386 and x86_64.
8347 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8348 (TARGET_ANY_GNU_TLS): New macro.
8349 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8350 (struct machine_function): Add tls_descriptor_call_expanded_p.
8351 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8352 (ix86_current_function_calls_tls_descriptor): Likewise.
8353 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8354 (override_options): Introduce gnu2 tls dialect.
8355 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8357 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8359 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8360 (ix86_init_machine_status): Initialize new field.
8361 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8362 (ix86_tls_module_base): New.
8363 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8364 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8365 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8366 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8367 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8368 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8369 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8370 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8371 * config/i386/predicates.md (tls_modbase_operand): New.
8372 (tp_or_register_operand): New.
8374 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8376 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8377 (look_for_address_of): Ditto.
8378 (ipa_init): Walk the function decls.
8379 (static_execute): Don't set readonly on FUNCTION_DECL's.
8381 2006-01-18 Roger Sayle <roger@eyesopen.com>
8383 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8384 for shifts where the source and destination registers are different.
8386 2006-01-18 Paul Brook <paul@codesourcery.com>
8388 Merge from csl-arm-branch.
8389 2005-03-14 Julian Brown <julian@codesourcery.com>
8390 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8391 (aeabi_llsl): Likewise.
8392 (ashrdi3): Likewise.
8393 (aeabi_lasr): Likewise.
8394 (lshrdi3): Likewise.
8395 (aeabi_llsr): Likewise.
8396 2005-03-10 Julian Brown <julian@codesourcery.com>
8397 * config.gcc: Disable shared libgcc for SymbianOS.
8398 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8400 2006-01-18 DJ Delorie <dj@redhat.com>
8402 * c-pragma.c (handle_pragma_diagnostic): New.
8403 (init_pragma): Register it.
8404 * doc/extend.texi: Document it.
8406 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8407 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8408 (diagnostic_context): Add classify_diagnostic[].
8409 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8410 as errors if they're overridden to DK_WARNING.
8411 (diagnostic_initialize): Initialize classify_diagnostic[].
8412 (diagnostic_set_kind_override): New.
8413 (diagnostic_report_diagnostic): Check for kind changes.
8414 * opts.c (common_handle_option): Take lang_mask. Update callers.
8416 * common.opt (Werror=): New.
8417 * doc/invoke.texi: Document -Werror=*
8419 2006-01-18 Jeff Law <law@redhat.com>
8421 * tree-vrp.c (test_for_singularity): Correct test for new
8422 min limit. Use operand_equal_p rather than pointer equality
8423 for testing if new min/max values are equal.
8425 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8426 using range information until after propagation and folding.
8428 2006-01-18 Richard Henderson <rth@redhat.com>
8429 Aldy Hernandez <aldyh@redhat.com>
8430 Jakub Jelinek <jakub@redhat.com>
8431 Diego Novillo <dnovillo@redhat.com>
8433 * omp-low.c: New file.
8434 * c-omp.c: New file.
8436 2006-01-18 Richard Henderson <rth@redhat.com>
8437 Jakub Jelinek <jakub@redhat.com>
8438 Diego Novillo <dnovillo@redhat.com>
8440 * doc/invoke.texi: Document -fopenmp.
8441 * tree-dump.h (debug_function): Declare.
8442 * hooks.c (hook_bool_tree_bool_false): New function.
8443 (hook_tree_tree_null): Remove.
8444 (hook_tree_tree_tree_null): New.
8445 * hooks.h: Update to match.
8446 * tree-pretty-print.c (debug_tree_chain): New.
8447 (print_generic_expr): Handle TDF_CHAIN.
8448 (dump_generic_node): Handle BLOCK.
8449 Do not abort with incomplete SWITCH_EXPRs.
8450 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8451 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8452 print space after directive name.
8453 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8454 Handle OMP_MASTER and OMP_ORDERED.
8455 Handle printing of OMP_BODY just in one place, goto
8456 dump_omp_body in the rest of OMP_* nodes that have
8458 Don't handle clause nodes here. Update omp statements to
8459 use dump_omp_clauses.
8460 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8461 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8462 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8463 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8464 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8465 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8466 Adjust output for GOMP_PARALLEL.
8467 (dump_omp_clauses): New.
8468 (print_declaration): Dump DECL_VALUE_EXPR.
8469 (op_symbol_1): Split out of op_symbol.
8470 (dumping_stmts): Remove. Update all users.
8471 * cgraph.c (cgraph_analyze_queue): New.
8472 (cgraph_add_new_function): New.
8473 * cgraph.h (cgraph_analyze_queue): Declare.
8474 (cgraph_add_new_function): Declare.
8475 (cgraph_lower_function): Remove.
8476 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8477 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8478 and TYPE_P nodes in its default clause.
8479 (empty_body_p): New.
8480 (tree_range_check_failed): New.
8482 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8483 OMP_CLAUSE_REDUCTION_MERGE,
8484 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8485 OMP_CLAUSE_PRIVATE_DEBUG,
8486 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8487 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8488 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8489 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8490 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8491 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8492 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8493 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8494 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8495 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8496 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8497 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8498 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8499 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8500 (TREE_RANGE_CHECK): New.
8501 (empty_body_p): Declare.
8502 (enum omp_clause_default_kind): New.
8503 (build_string_literal): Declare.
8504 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8505 (build5_stat, build5): Declare.
8506 * tree-pass.h (TDF_CHAIN): Define.
8507 * tree-pass.h (PROP_gimple_lomp): Define.
8508 (pass_lower_omp): Declare.
8509 * diagnostic.h (debug_tree_chain): Declare.
8510 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8512 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8513 * builtins.c (build_string_literal): Make extern.
8514 * gcc.c (include_spec_function): New.
8515 (static_spec_functions): Add it.
8516 (main): Move load of libgomp.spec ...
8517 (LINK_COMMAND_SPEC): ... here.
8518 (link_gomp_spec): New.
8519 (static_specs): Include it.
8520 (LINK_COMMAND_SPEC): Add link_gomp.
8521 (GOMP_SELF_SPECS): New.
8522 (driver_self_specs): Include it.
8523 (switch_matches): Don't mark inline.
8524 (main): Load libgomp.spec.
8525 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8526 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8527 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8528 * tree-gimple.h (enum omp_parallel): Declare.
8529 (determine_parallel_type): Declare.
8530 (omp_firstprivatize_variable): Declare.
8531 (omp_reduction_init): Declare.
8532 (diagnose_omp_structured_block_errors): Declare.
8533 (struct walk_stmt_info): Add want_return_expr.
8534 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8535 (find_omp_clause): Declare.
8536 (insert_field_into_struct): Declare.
8537 (struct walk_stmt_info): Move from tree-nested.c
8538 (walk_stmts): Declare.
8539 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8541 * cgraphunit.c (cgraph_lower_function): Make static.
8542 (cgraph_finalize_pending_functions): New.
8543 (cgraph_finalize_function): Call it.
8544 (cgraph_finalize_compilation_unit): Likewise.
8545 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8546 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8547 (BT_FN_UINT_UINT): New.
8548 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8549 DEF_FUNCTION_TYPE_VAR_4): Document.
8550 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8551 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8552 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8553 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8554 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8555 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8556 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8557 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8558 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8559 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8560 into separate files.
8561 (DEF_GOMP_BUILTIN): New.
8562 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8563 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8564 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8565 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8566 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8567 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8568 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8569 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8570 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8571 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8572 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8573 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8574 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8575 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8576 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8577 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8578 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8579 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8580 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8581 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8582 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8583 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8584 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8585 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8586 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8587 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8588 * sync-builtins.def: New file, moved from builtins.def.
8589 * omp-builtins.def: New file, moved from builtins.def.
8590 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8591 * gimple-low.c (lower_function_body): Clear data.
8592 (lower_stmt): Do not handle COMPOUND_EXPR.
8593 Remove call to print_node_brief.
8594 * c-tree.h (c_finish_omp_clauses): New prototype.
8595 (C_DECL_THREADPRIVATE_P): Define.
8596 (lookup_name_no_remap, c_omp_remap_private): Remove
8597 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8598 (check_for_loop_decls): Update decl.
8599 (lookup_name_no_remap, c_omp_remap_private): Declare.
8600 (build_indirect_ref, build_modify_expr, pushdecl,
8601 pushdecl_top_level): Move to c-common.h.
8602 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8603 before the switch, but just in the 2 places that need it.
8604 * c-decl.c (diagnose_mismatched_decls): Do not check for
8605 mismatched thread-local attributes when OLDDECL is marked
8606 threadprivate and NEWDECL has no thread-local attributes.
8607 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8608 (c_gimple_diagnostics_recursively): Rename from
8609 c_warn_unused_result_recursively. Invoke
8610 diagnose_omp_structured_block_errors.
8611 (check_for_loop_decls): Return a singular decl found.
8612 * langhooks.c (lhd_omp_predetermined_sharing): Return
8613 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8614 (lhd_omp_firstprivatize_type_sizes): New.
8615 (lhd_omp_assignment): New.
8616 (lhd_omp_predetermined_sharing): New.
8617 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8618 (struct lang_hooks_for_types): Add
8619 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8620 omp_predetermined_sharing, omp_disregard_value_expr,
8621 omp_private_debug_clause, omp_clause_default_ctor,
8622 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8623 (c_finish_omp_clauses): New.
8624 (c_finish_bc_stmt): Diagnose break within omp for.
8625 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8626 (build_unary_op): Return error_mark after reporting
8628 (build_modify_expr): Likewise.
8629 * gimplify.c: Include optabs.h and pointer-set.h.
8630 (enum gimplify_omp_var_data): Declare.
8631 (struct gimplify_omp_ctx): Declare.
8632 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8634 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8635 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8636 (splay_tree_compare_decl_uid): New.
8637 (new_omp_context): New.
8638 (delete_omp_context): New.
8639 (gimple_add_tmp_var): Call omp_add_variable.
8640 (gimplify_bind_expr): Likewise.
8641 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8642 true, disregard DECL_VALUE_EXPR on the decl if any.
8643 (gimplify_expr_in_ctx): New.
8644 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8645 omp_add_variable, omp_notice_variable, omp_is_private
8646 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8647 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8648 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8649 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8650 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8651 gimplify_omp_atomic): New.
8652 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8653 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8654 OMP_CRITICAL and OMP_ATOMIC.
8655 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8656 * c-pragma.h (enum pragma_kind): Add
8657 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8658 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8659 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8660 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8661 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8662 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8663 PRAGMA_OMP_THREADPRIVATE.
8664 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8665 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8666 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8667 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8668 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8669 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8670 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8671 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8672 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8673 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8674 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8675 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8676 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8678 (struct nesting_info): Add field_map,
8679 suppress_expansion, debug_var_chain.
8680 (create_nesting_tree): Initialize them.
8681 (lookup_field_for_decl): Use field_map.
8682 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8683 (convert_local_omp_clauses): New.
8684 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8685 (walk_body): Split out of walk_function.
8686 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8687 (convert_nonlocal_reference): Handle omp statements.
8688 (convert_local_reference): Likewise.
8689 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8690 (unnest_nesting_tree): New.
8691 (lower_nested_functions): Call it.
8692 (insert_field_into_struct): Make extern.
8693 (struct walk_stmt_info): Move to tree-gimple.h.
8694 (walk_stmts): Make extern.
8695 * omp-builtins.def: New file.
8696 * tree-iterator.c (expr_only): Clarify comment.
8697 * c-common.h (pushdecl_top_level, pushdecl,
8698 build_modify_expr, build_indirect_ref,
8699 c_finish_omp_master, c_finish_omp_critical,
8700 c_finish_omp_ordered, c_finish_omp_barrier,
8701 c_finish_omp_atomic, c_finish_omp_flush,
8702 c_finish_omp_for, c_split_parallel_clauses,
8703 omp_clause_default_kind, c_omp_sharing_predetermined,
8704 c_omp_remap_decl): Declare.
8705 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8706 (OBJS-common): Add omp-low.o.
8707 (c-omp.o, omp-low.o): Add.
8708 (gimplify.o): Add dependency on $(OPTABS_H).
8709 (GTFILES): Add omp-low.c.
8710 (gt-stringpool.h): Add.
8711 * tree-cfg.c (set_bb_for_stmt): Do not update the
8712 block-to-labels map if we are currently expanding to RTL.
8713 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8715 Handle IDENTIFIER_NODE.
8716 (tree_verify_flow_info): Do not ICE when emitting error
8717 messages about invalid labels.
8718 (dump_function_to_file): Reset CFUN before emitting the body
8720 (debug_function): New.
8721 * passes.c (init_optimization_passes): Schedule
8723 * langhooks-def.h (lhd_omp_predetermined_sharing,
8724 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8726 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8727 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8728 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8729 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8730 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8731 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8732 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8733 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8734 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8735 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8736 (LANG_HOOK_DECLS): Use them.
8738 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8739 Richard Henderson <rth@redhat.com>
8740 Jakub Jelinek <jakub@redhat.com>
8741 Diego Novillo <dnovillo@redhat.com>
8743 * c-parser.c (pragma_omp_clause): Define.
8744 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8745 (c_parser_compound_statement): Likewise.
8746 (c_parser_statement): Likewise.
8747 (c_parser_pragma): Handle omp pragmas.
8748 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8749 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8750 (c_parser_omp_clause_name, check_no_duplicate_clause,
8751 c_parser_omp_variable_list,
8752 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8753 c_parser_omp_clause_copyprivate,
8754 c_parser_omp_clause_default,
8755 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8756 c_parser_omp_clause_lastprivate,
8757 c_parser_omp_clause_nowait,
8758 c_parser_omp_clause_num_threads,
8759 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8760 c_parser_omp_clause_reduction,
8761 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8762 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8763 c_parser_omp_atomic, c_parser_omp_barrier,
8764 c_parser_omp_critical, c_parser_omp_flush,
8765 c_parser_omp_for_loop, c_parser_omp_for,
8766 c_parser_omp_master, c_parser_omp_ordered,
8767 c_parser_omp_sections_scope, c_parser_omp_sections,
8768 c_parser_omp_parallel, c_parser_omp_single,
8769 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8770 * c-pragma.c (init_pragma): Do omp pragma registration here.
8771 * c.opt (fopenmp): New flag.
8773 2006-01-18 Eric Christopher <echristo@apple.com>
8775 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8776 * config/darwin.h (GOMP_SELF_SPECS): Define.
8778 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8780 * rtl.h: Remove the prototype for reg_alloc.
8782 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8785 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8786 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8787 sjlj and dwarf2 exception handling.
8788 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8789 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8790 * pa/pa.c (function_value): Treat complex and vector types as
8792 (function_arg): Likewise. Only pass scalar floats in the floating
8793 point argument registers.
8794 * pa/t-slibgcc-dwarf-ver: New file.
8795 * pa/t-slibgcc-sjlj-ver: New file.
8796 * pa/t-slibgcc-elf-ver: Delete file.
8798 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8800 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8801 unlikely_test_section_p test.
8803 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8805 * mode-switching.c (optimize_mode_switching): Make it static.
8806 * basic-block.h: Remove the prototype for
8807 optimize_mode_switching.
8809 * modulo-sched.c (sms_schedule): Make it static.
8810 * rtl.h: Remove the prototype for sms_schedule.
8812 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8813 * rtl.h: Remove the prototype for gcse_after_reload_main.
8815 * reg-stack.c (reg_to_stack): Make it static.
8816 * rtl.h: Remove the prototype for reg_to_stack.
8818 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8820 * rtl.h: Remove the prototypes for regrename_optimize and
8821 copyprop_hardreg_forward.
8823 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8825 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8826 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8827 Test against the appropriate null constant for the mode.
8828 If 'fixup_overlap' is true, swap the operands if they overlap.
8829 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8830 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8831 alpha_split_tmode_pair and adjust for above change.
8832 * config/alpha/alpha.md (movtf_internal): Adjust call to
8833 alpha_split_tfmode_pair and rely on it to swap the operands.
8834 (movti_internal): New insn and post-reload splitter.
8835 (movti): New expander.
8837 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8839 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8842 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8844 * rtlanal.c (global_reg_mentioned_p_1,
8845 global_reg_mentioned_p): Remove.
8846 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8848 * flow.c (initialize_uninitialized_subregs): Make it static.
8849 * rtl.h: Remove the prototype for
8850 initialize_uninitialized_subregs.
8852 * function.c (instantiate_virtual_regs): Make it static.
8853 * function.h: Remove the prototype for
8854 instantiate_virtual_regs.
8856 * regmove.c (regmove_optimize, combine_stack_adjustments):
8858 * rtl.h: Remove the prototypes for regmove_optimize and
8859 combine_stack_adjustments.
8861 2006-01-17 Roger Sayle <roger@eyesopen.com>
8863 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8864 (size_cost): Encode costs in bytes so that a reg-reg addition is
8865 equivalent to COSTS_N_INSNS(1).
8866 (override_options): Use the size_cost.branch_cost as the default
8867 ix86_branch_cost when optimizing for size.
8869 2006-01-18 Ben Elliston <bje@au.ibm.com>
8871 * Makefile.in (D32PBIT_FUNCS): New.
8872 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8873 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8874 D64PBIT_FUNCS and D128PBIT_FUNCS.
8875 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8876 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8878 (decnumber_dep): Define.
8879 * doc/libgcc.texi (Decimal float library routines): New node.
8880 * config/dfp-bit.h, config/dfp-bit.c: New files.
8882 2006-01-18 Ben Elliston <bje@au.ibm.com>
8884 * expr.c (emit_move_change_mode): Always adjust addresses, not
8885 just during reload. Copy replacements only during reload.
8886 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8887 emit_move_via_integer.
8889 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8891 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8892 instead of $(srcdir) and ${srcdir}.
8894 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8898 * arm.h (struct machine_function): Add pic_reg.
8899 * arm.c (arm_pic_register): Make unsigned.
8900 (arm_override_options): Only set arm_pic_register if
8901 TARGET_SINGLE_PIC_BASE.
8902 (use_return_insn): Only test for a pic register if it is fixed.
8903 (arm_compute_save_reg0_reg12_mask): Likewise.
8904 (thumb_compute_save_reg_mask): Likewise.
8905 (legitimate_pic_operand): Factor out some known invariants.
8906 (legitimize_pic_address): If we don't have a fixed pic register,
8907 then set up a pseudo in the function entry sequence. Handle the
8908 pic base being in a pseudo.
8909 (arm_load_pic_register): Handle the pic register being in a pseudo.
8910 (arm_expand_prologue): Only set up the pic register if it is fixed.
8911 (thumb_expand_prologue): Likewise.
8912 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8913 (pic_load_addr_based_insn): Likewise.
8914 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8917 2006-01-18 Ben Elliston <bje@au.ibm.com>
8919 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8920 decimal float modes for all floating point registers.
8922 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8923 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8925 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8928 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8929 even when the pointer is not NULL.
8931 2006-01-16 Ian Lance Taylor <ian@airs.com>
8933 * common.opt (ftoplevel-reorder): New option.
8934 * cgraph.c (cgraph_asm_nodes): New global variable.
8935 (cgraph_asm_last_node): New static variable.
8936 (cgraph_order): New global variable.
8937 (cgraph_create_node): Set new order field.
8938 (cgraph_varpool_node): Likewise.
8939 (decide_is_variable_needed): Return true if not
8940 flag_toplevel_reorder.
8941 (cgraph_add_asm_node): New function.
8942 * cgraph.h (struct cgraph_node): Add order field.
8943 (struct cgraph_varpool_node): Add order field.
8944 (struct cgraph_asm_node): Define.
8945 (cgraph_asm_nodes, cgraph_order): Declare.
8946 (cgraph_add_asm_node): Declare.
8947 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8949 (cgraph_varpool_assemble_pending_decls): Call it.
8950 (cgraph_output_pending_asms): New static function.
8951 (cgraph_finalize_compilation_unit): Call it.
8952 (struct cgraph_order_sort): Define.
8953 (cgraph_output_in_order): New static function.
8954 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8955 !flag_toplevel_reorder case.
8956 * c-parser.c: Include "cgraph.h".
8957 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8959 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8960 than -fno-unit-at-a-time.
8961 * doc/invoke.texi (Option Summary): Mention
8962 -fno-toplevel-reorder.
8963 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8964 -funit-at-a-time documentation.
8966 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8967 Kazu Hirata <kazu@codesourcery.com>
8969 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8971 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8973 * Makefile.in (FUNCTION_H): New. Use it instead of
8974 function.h throughout the file.
8975 * function.h: Include tree.h.
8977 2006-01-17 Ben Elliston <bje@au.ibm.com>
8979 * recog.c: Separate some functions with whitespace.
8981 2006-01-16 Richard Henderson <rth@redhat.com>
8983 Merge from gomp branch:
8984 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8985 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8986 and rename from struct inline_data. Rename callee* to dst*;
8987 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8988 transform_new_cfg, transform_return_to_modify, and
8989 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8991 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8992 (copy_decl_for_dup): Remove.
8993 * tree-inline.c (struct inline_data): Move to header.
8994 (insert_decl_map): Export.
8995 (remap_decl): Update for member name changes. Use copy_decl hook.
8996 Allow for replacement to be a non-decl. Remove dead code.
8997 (remap_type_1): Check for existing mapping.
8998 (remap_type): Export.
8999 (remap_decls): Update for member name changes.
9000 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9001 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9002 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9003 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9004 (tree_function_versioning, build_duplicate_type): Likewise.
9005 (copy_body_r): Likewise. Export.
9006 (copy_decl_for_dup): Split into ...
9007 (copy_decl_for_dup_finish, copy_decl_to_var,
9008 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9009 (replace_ref_tree, inlining_p): Remove.
9011 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9013 * ifcvt.c (if_convert): Make it static.
9014 * rtl.h: Remove the prototype for if_convert.
9016 * local-alloc.c (local_alloc): Make it static.
9017 * rtl.h: Remove the prototype for local_alloc.
9019 * loop.c (loop_optimize): Make it static.
9020 * cfgloop.h: Remove the prototype for loop_optimize.
9023 2006-01-16 DJ Delorie <dj@redhat.com>
9025 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9028 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9030 * pa.md: Disparage copies between general and floating-point registers
9031 in 32-bit move patterns.
9033 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9036 * Makefile.in (check-%): Depend on site.exp instead of
9037 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9040 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9042 * global.c (global_alloc): Make it static.
9043 * rtl.h: Remove the prototype for global_alloc.
9045 2006-01-16 Richard Guenther <rguenther@suse.de>
9047 * tree-ssa-alias.c (struct used_part): Add write_only field.
9048 (get_or_create_used_part_for): Initialize it to true.
9049 (create_overlap_variables_for): Don't create structure variables
9050 for structures that only are written to.
9051 (find_used_portions): Handle MODIFY_EXPR to track whether a
9052 structure is only written to.
9054 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9056 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9058 * basic-block.h: Remove the prototype for
9059 partition_hot_cold_basic_blocks.
9061 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9063 * cppspec.c (lang_specific_spec_functions): Remove.
9064 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9065 * gcc.h (lang_specific_spec_functions): Remove.
9066 * gccspec.c (lang_specific_spec_functions): Remove.
9068 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9070 * combine.c (record_value_for_reg): Invalidate registers
9072 (record_dead_and_set_regs_1): Likewise, by passing them to
9073 record_value_for_reg.
9074 (record_dead_and_set_regs): Invalidate stores made by a
9075 call. We do not combine across a call, but we still
9076 relied on equivalences.
9078 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9080 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9081 vrp_int_const_binop returning non-constant nodes.
9083 2006-01-16 Paul Brook <paul@codesourcery.com>
9085 * config/m68k/m68k.c (output_move_const_into_data_reg):
9086 Output correct mnemonic for mvz and mvs.
9088 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9090 * rtl-factoring.c: Add sequence abstraction algorithm.
9091 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9092 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9094 (block_has_preserve_label): New function.
9095 * common.opt: Register new pass.
9096 * Makefile.in: Ditto.
9098 * timevar.def: Ditto.
9099 * tree-pass.h: Ditto.
9100 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9101 * rtl.h (make_jump_insn_raw): Add forward decl.
9102 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9104 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9105 Roger Sayle <roger@eyesopen.com>
9107 * fold-const.c (fold_minmax): New static function.
9108 (fold_binary) <MIN_EXPR>: Call it.
9109 <MAX_EXPR>: Likewise.
9110 * stor-layout.c (place_field): Use DECL_SIZE consistently
9111 in the computation of the new record size.
9113 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9115 * cse.c (cse_condition_code_reg): Make it static.
9116 * rtl.h: Remove the prototype for cse_condition_code_reg.
9118 * combine.c (combine_instructions): Make it static.
9119 * rtl.h: Remove the prototype for combine_instructions.
9121 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9124 * tree.c (get_file_function_name_long): Concatenate the first global
9125 object name with a string derived from the input filename of the object
9128 2006-01-16 Ben Elliston <bje@au.ibm.com>
9130 * config/i386/winnt-stubs.c: Update FSF address.
9131 * config/xtensa/ieee754-df.S: Ditto.
9132 * config/xtensa/ieee754-sf.S: Ditto.
9134 2006-01-14 Ian Lance Taylor <ian@airs.com>
9136 * ifcvt.c (noce_init_if_info): New static function, broken out of
9137 noce_process_if_block.
9138 (noce_process_if_block): Call noce_init_if_info.
9139 (check_cond_move_block): New static function.
9140 (cond_move_process_if_block): New static function.
9141 (process_if_block): Call cond_move_process_if_block.
9143 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9145 * cselib.c (hash_table): Rename to cselib_hash_table.
9146 (cselib_clear_table, discard_useless_values,
9147 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9148 cselib_init, cselib_finish): Adjust uses of hash_table.
9150 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9152 PR tree-optimization/25485
9153 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9154 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9155 is known to be false and true, respectively.
9157 2006-01-14 Richard Guenther <rguenther@suse.de>
9159 PR tree-optimization/22548
9160 PR tree-optimization/22555
9161 PR tree-optimization/22501
9162 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9163 * params.def (salias-max-array-elements): New parameter.
9164 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9165 * doc/invoke.texi (salias-max-array-elements): Document.
9166 * tree-flow-inline.h (var_can_have_subvars): We also handle
9168 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9170 * tree-ssa-structalias.c (params.h): Include.
9171 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9172 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9173 (get_constraint_for): For ADDR_EXPR operating on something
9174 containing an ARRAY_REF, add all subvars to the solution.
9175 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9176 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9177 for creating MUST_DEFs.
9178 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9180 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9182 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9184 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9185 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9186 number_of_iterations_le): New functions.
9187 (number_of_iterations_special): Removed.
9188 (number_of_iterations_exit): Do not use number_of_iterations_special.
9189 * tree.c (unsigned_type_for): Always return integer type.
9191 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9192 Richard Guenther <rguenther@suse.de>
9194 PR rtl-optimization/24257
9195 * gcse.c (find_moveable_store): Only consider a store movable
9196 when the SET_SRC of the insn can be assigned to a register.
9198 2006-01-14 Ian Lance Taylor <ian@airs.com>
9200 * tree.c (tree_not_class_check_failed): New function.
9201 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9202 (tree_not_class_check_failed): Declare.
9204 2006-01-13 Ian Lance Taylor <ian@airs.com>
9206 * reload1.c (do_output_reload): Add assertion rejecting a
9209 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9211 * combine.c (struct reg_stat): Add new fields truncation_label and
9213 (record_value_for_reg): Reset truncated_to_mode.
9214 (record_truncated_value): New function.
9215 (check_promoted_subreg): Call it. Rename to check_conversions.
9216 (combine_instructions): Rename check_promoted_subreg to
9218 (reg_truncated_to_mode): New function.
9219 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9220 (gen_lowpart_or_truncate): New function.
9221 (force_to_mode): Use it instead of gen_lowpart.
9223 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9225 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9226 VAR is a tag, not its type tag.
9228 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9230 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9231 alternatives to match style of other entries.
9232 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9234 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9236 PR tree-optimization/25771
9237 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9240 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9243 * tree-inline.c (declare_return_variable): If the return variable
9244 was marked as a non gimple complex, set the return slot variable
9245 to be a non gimple comple variable.
9247 2006-01-13 Richard Guenther <rguenther@suse.de>
9249 * builtins.c (expand_builtin_sincos): New function.
9250 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9252 (expand_builtin): Expand sincos using expand_builtin_sincos.
9254 2006-01-12 DJ Delorie <dj@redhat.com>
9256 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9257 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9258 so that constant shifts can be split.
9259 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9260 (m32c_valid_pointer_mode): Make static.
9261 (shift_gen_func_for): New.
9262 (m32c_prepare_shift): Use it. Split large const shifts into
9264 * config/m32c/predicates.md (shiftcount_operand): Allow more
9266 (longshiftcount_operand): New.
9267 * doc/md.texi (Machine Constraints): Document In6.
9269 2006-01-13 Ben Elliston <bje@au.ibm.com>
9271 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9272 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9275 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9277 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9278 to try to avoid clobbering pieces of structures when we know
9279 something about the whole structure.
9280 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9282 2006-01-13 Ben Elliston <bje@au.ibm.com>
9284 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9285 return in memory, as this is no limitation is no longer present.
9287 2006-01-12 DJ Delorie <dj@redhat.com>
9289 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9290 mova with fb, and for fb+0 -> An.
9292 * config/m32c/mov.md (peephole2): Fix enabling logic.
9294 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9295 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9296 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9297 FINI_ARRAY_SECTION_ASM_OP): Define.
9299 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9301 (m32c_legitimize_reload_address): New logic to reload FB to An.
9302 (m32c_output_reg_push): Add newline.
9303 (m32c_output_reg_pop): Likewise.
9305 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9307 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9309 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9311 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9313 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9315 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9318 2006-01-11 Ben Elliston <bje@au.ibm.com>
9320 * rtlanal.c (find_reg_note): Assert insn is not null.
9322 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9324 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9327 2006-01-11 Jeff Law <law@redhat.com>
9329 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9331 (mark_threaded_blocks, register_jump_thread): New functions.
9332 (thread_through_all_blocks): Remove unwanted argument. No
9333 longer rely on e->aux to communicate thread target info.
9334 Call mark_threaded_blocks. Release the threaded_blocks
9335 bitmap and threaded_edges vector when complete.
9336 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9337 (threaded_blocks): Remove.
9338 (tree_ssa_dominator_optimize): Remove initialization and
9339 finalization of threaded_blocks. Simplify call to
9340 thread_through_all_blocks.
9341 (thread_across_edge): Call register_jump_thread rather than
9342 storing thread information into e->aux.
9343 (free_all_edge_infos): Simplify now that e->aux is no longer
9344 used to communicate with thread_through_all_blocks.
9345 * tree-flow.h (thread_through_all_blocks): Update prototype.
9346 (register_jump_thread): Prototype.
9348 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9350 * df-core.c (df_compact_blocks, df_bb_replace): Use
9351 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9353 2006-01-11 Richard Guenther <rguenther@suse.de>
9355 PR tree-optimization/25734
9356 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9357 stop propagation after successful propagation to the LHS.
9359 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9361 * basic-block.h (control_flow_graph): Change the type of
9362 x_basic_block_info to VEC(basic_block,gc) *.
9363 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9365 (SET_BASIC_BLOCK): New.
9366 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9367 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9368 * cfgbuild.c (find_basic_blocks): Likewise.
9369 * cfglayout.c (fixup_reorder_chain): Likewise.
9370 * cfgrtl.c (create_basic_block_structure,
9371 rtl_create_basic_block): Likewise.
9372 * ifcvt.c (find_if_case_1): Likewise.
9373 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9376 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9378 * Makefile.in: Removed rotted odf.c entry.
9380 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9383 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9384 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9385 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9386 output pattern modifier, not %e.
9387 * config/cris/cris.c (cris_op_str): Update comment about pattern
9389 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9390 before falling through into...
9391 <case 'E'>: Redefined from old 'e' case.
9393 2006-01-11 Jan Hubicka <jh@suse.cz>
9396 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9398 2006-01-11 Jan Hubicka <jh@suse.cz>
9400 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9401 * i386.c (x86_decompose_lea): Kill.
9402 (ix86_rtx_costs): Kill.
9404 2006-01-11 Jan Hubicka <jh@suse.cz>
9406 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9407 * cgraph.h (cgraph_node): Add inline_decl.
9408 (cgraph_insert_node_to_hashtable): Declare.
9409 (save_inline_function_body): Declare.
9410 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9412 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9413 (cgraph_function_versioning): Update call of tree_function_versioning.
9414 (save_inline_function_body): New function.
9415 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9416 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9417 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9418 (cgraph_default_inline_p): Likewise.
9419 (cgraph_decide_inlining_incrementally): Likewise.
9420 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9421 (copy_bb): Kill saving; do updating of clones.
9422 (copy_cfg_body): Kill saving.
9423 (initialize_inlined-parameters): Likewise.
9424 (expand_call_inline): Likewise.
9426 (tree_function_versioning): New parameter "update_clones".
9427 (inlining_p): Kill saving.
9428 * tree-inline.h (tree_function_versioning): Update prototype.
9429 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9432 2006-01-11 Ian Lance Taylor <ian@airs.com>
9434 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9435 Allow undoing set of machine mode.
9436 (do_SUBST): Use enums instead of is_int.
9437 (do_SUBST_MODE): New function.
9438 (SUBST_MODE): New macro.
9439 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9440 reg and trying to replace reg_regno_rtx with a new register.
9441 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9442 (simplify_set): Use SUBST_MODE.
9443 (distribute_notes): Remove code that tried to update reg notes
9444 for regno_reg_rtx changes.
9446 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9448 PR tree-optimization/23109
9449 PR tree-optimization/23948
9450 PR tree-optimization/24123
9452 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9453 * tree-cfg.c (single_noncomplex_succ): New.
9454 * tree-flow.h (single_noncomplex_succ): Declare it.
9455 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9456 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9457 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9458 insert_bb, register_division_in, insert_reciprocals,
9459 replace_reciprocal, free_bb): New.
9460 (execute_cse_reciprocals_1): Rewritten.
9461 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9462 Do not commit any edge insertion. Always compute dominators and
9463 create the allocation pool.
9464 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9465 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9466 * targhooks.c (default_min_divistions_for_recip_mul): New.
9467 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9468 * passes.c (init_optimization_passes): Run recip after tree loop
9470 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9472 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9473 Kenneth Zadeck <zadeck@naturalbridge.com>
9475 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9476 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9477 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9478 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9479 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9480 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9481 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9482 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9483 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9484 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9485 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9486 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9487 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9488 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9489 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9490 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9491 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9492 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9493 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9494 DF_SCAN_POST_ALLOC): New macros.
9495 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9496 df_free_bb_function, df_local_compute_function, df_init_function,
9497 df_dataflow_function, df_confluence_function_0,
9498 df_confluence_function_n, df_transfer_function,
9499 df_finalizer_function, df_free_function, df_dump_problem_function,
9500 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9501 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9502 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9503 df_urec_bb_info, ) New types.
9504 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9506 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9507 df_analyze_simple_change_some_blocks,
9508 df_analyze_simple_change_one_block, df_compact_blocks,
9509 df_bb_replace, df_bb_regno_last_use_find,
9510 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9511 df_insn_regno_def_p, df_find_def, df_find_use,
9512 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9513 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9514 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9515 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9516 debug_df_chain, df_get_dependent_problem, df_chain_create,
9517 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9518 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9519 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9520 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9521 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9522 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9523 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9524 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9525 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9526 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9527 df_reorganize_refs, df_set_state, df_hard_reg_init,
9528 df_read_modify_subreg_p) New public functions.
9529 * df-core.c: The core dataflow solver and glue routines for rtl
9531 (df_init, df_add_problem, df_set_blocks, df_finish,
9532 df_hybrid_search_forward, df_hybrid_search_backward,
9533 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9534 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9535 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9536 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9537 df_reg_defined, df_find_use, df_reg_used, df_dump,
9538 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9539 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9540 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9541 debug_df_useno, reset_df_after_reload): New functions.
9542 * df-scan.c: The scanning fuctions, once in df.c, completely
9543 rewritten so that they now fully model the functionality of
9544 register usage at the backend.
9545 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9546 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9547 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9548 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9549 df_get_artificial_defs, df_get_artificial_uses,
9550 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9551 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9552 df_refs_delete, df_reorganize_refs, df_set_state,
9553 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9554 df_def_record_1, df_defs_record, df_uses_record,
9555 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9556 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9557 df_record_exit_block_uses, df_hard_reg_init): New functions.
9559 * df-problems.c: Seven concrete dataflow problems that use the
9560 scanning in df-scan.c and are solved by the engine in df-core.c.
9561 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9562 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9563 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9564 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9565 df_ru_free_bb_info, df_ru_alloc,
9566 df_ru_bb_local_compute_process_def,
9567 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9568 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9569 df_ru_transfer_function, df_ru_free, df_ru_dump,
9570 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9571 df_rd_free_bb_info, df_rd_alloc,
9572 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9573 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9574 df_rd_transfer_function, df_rd_free, df_rd_dump,
9575 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9576 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9577 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9578 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9579 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9580 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9581 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9582 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9583 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9584 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9585 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9586 df_urec_mark_reg_use_for_earlyclobber,
9587 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9588 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9589 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9590 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9591 df_chain_create_bb_process_use, df_chain_create_bb,
9592 df_chain_finalize, df_chain_free, df_chains_dump,
9593 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9594 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9595 df_reg_lifetime): New functions.
9596 * df.c: Deleted file.
9597 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9598 consistent with new df api.
9599 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9600 rest_of_handle_sms): Ditto.
9601 * web.c (unionfind_union, union_defs, entry_register, web_main):
9603 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9604 invariant_expr_equal_p, find_defs, check_dependencies,
9605 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9606 free_inv_motion_data, move_loop_invariants): Ditto.
9607 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9608 Update dependencies.
9609 (odf.c): Added defective entry that was deleted later in day.
9610 * sched-deps.c (sched_analyze_1): Ditto.
9612 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9614 * tree-ssa-operands.c (get_expr_operands): Record addressable
9615 variables directly. Do not call add_stmt_operands for CONST_DECLs
9617 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9618 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9620 2006-01-11 Ben Elliston <bje@au.ibm.com>
9622 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9623 function returns true in the positive case.
9625 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9628 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9629 for SI, DI, SF and DF modes. Add alternatives to copy between
9630 general and floating point registers to the 32-bit patterns.
9631 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9632 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9633 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9634 generating 64-bit code.
9635 * config/pa/pa.c (output_move_double): Handle copies between general
9636 and floating registers.
9638 2006-01-10 Stuart Hastings <stuart@apple.com>
9640 * config/i386/i386.md (set_got): Update.
9641 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9642 (builtin_setjmp_receiver): Mach-O support.
9643 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9644 (GOT_SYMBOL_NAME): Define.
9645 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9646 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9647 * config/i386/i386.c (override_options): Revise for Darwin.
9648 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9649 support. (darwin_x86_file_end): New. (output_set_got): Add label
9650 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9651 * config/i386/i386-protos.h (output_set_got): Likewise.
9652 * config/darwin.c (machopic_legitimize_pic_address): Update
9655 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9657 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9658 when MODE isn't BLKmode.
9660 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9662 PR rtl-optimization/25367
9663 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9665 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9668 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9669 for a negative bound.
9671 2006-01-10 Richard Guenther <rguenther@suse.de>
9673 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9674 Never override with anything constraint.
9676 2006-01-10 Jan Beulich <jbeulich@novell.com>
9678 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9679 256 bits when optimize_size.
9681 2006-01-10 Jan Beulich <jbeulich@novell.com>
9683 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9685 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9686 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9689 2006-01-10 Ben Elliston <bje@au.ibm.com>
9691 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9693 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9694 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9695 (USE_FP_FOR_ARG): Reject decimal float modes.
9696 (function_arg_advance): Likewise.
9697 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9698 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9699 point types in AltiVec vectors.
9700 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9701 (rs6000_libcall_value): Likewise.
9703 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9705 * config/xtensa/ieee754-df.S: New file.
9706 * config/xtensa/ieee754-sf.S: New file.
9707 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9708 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9709 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9711 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9713 * config/sh/predicates.md (binary_float_operator,
9714 binary_logical_operator, commutative_float_operator,
9715 equality_comparison_operator, greater_comparison_operator,
9716 less_comparison_operator, logical_operator,
9717 noncommutative_float_operator, shift_operator,
9718 symbol_ref_operand, unary_float_operator): Remove redundant
9721 2006-01-09 Jeff Law <law@redhat.com>
9723 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9724 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9725 now unused arguments. Callers updated.
9726 (eliminate_redundant_computations): Remove now unused arguments,
9728 (local_fold): Remove, no longer used.
9729 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9731 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9732 (simplify_cond): New function.
9733 (forward_propagate_into_cond): Call simplify_cond.
9735 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9737 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9738 (*vec_extractv2di_1_sse): New.
9740 2006-01-09 Ben Elliston <bje@au.ibm.com>
9742 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9744 2006-01-08 Richard Guenther <rguenther@suse.de>
9746 * tree-ssa-structalias.c (get_constraint_for): Remove
9748 (get_constraint_for_component_ref): Likewise.
9749 (do_deref): Likewise.
9750 (get_constraint_for): Likewise.
9751 (do_structure_copy): Likewise.
9752 (handle_ptr_arith): Likewise.
9753 (find_func_aliases): Likewise. Remove unused need_anyoffset
9756 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9757 Kaz Kojima <kkojima@gcc.gnu.org>
9759 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9760 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9761 (EXTRA_CONSTRAINT_C16): Remove.
9762 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9763 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9764 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9765 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9766 constants of SHmedia. Handle nested constant expressions of
9768 (andcosts): Fix the costs for SHmedia constants.
9769 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9770 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9771 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9772 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9773 (movv4hi_i, movv2si_i): Likewise.
9774 (movsi_const): Adjust the second operand of ior so to match with
9776 (movdi_const, movdi_const_32bit): Likewise.
9777 (movdi_const_16bit+1): Don't sign-extend LOW.
9778 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9780 (*double_shori): Fix the split condition. Use GEN_INT instead
9781 of get_int_mode calls. Mask lower 16-bit of the argument of
9783 (sym2GOTPLT): Remove.
9784 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9786 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9787 instead of EXTRA_CONSTRAINT_C16.
9789 2006-01-07 Ian Lance Taylor <ian@airs.com>
9790 David Edelsohn <edelsohn@gnu.org>
9792 PR rtl-optimization/25662
9793 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9794 for constant operands instead of simplify_gen_binary.
9795 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9796 after trying simplify_binary_operation
9798 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9800 * tree.c (iterative_hash_expr): Hash decls based on UID.
9802 2006-01-06 Eric Christopher <echristo@apple.com>
9804 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9805 (TARGET_UNWIND_EMIT): Fix spelling.
9806 * target.h (gcc_target): Add except_table_label.
9807 * except.c (output_function_exception_table): Use.
9808 * varasm.c (default_emit_except_table_label): New.
9809 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9811 (asm_out): Add here.
9812 * output.h (default_emit_except_table_label): Prototype.
9813 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9814 * config/darwin.c (darwin_emit_except_table_label): Define.
9815 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9817 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9819 PR tree-optimization/18527
9820 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9821 number_of_iterations_special, number_of_iterations_exit):
9822 Move base and step of an iv to a single structure. Add
9823 no_overflow flag, and use it in # of iterations analysis.
9824 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9825 folded_casts argument.
9826 (simple_iv): Pass base and step in a structure. Set no_overflow
9828 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9829 Evaluate expensiveness of computing # of iterations instead of
9830 the final expression.
9831 * tree-scalar-evolution.h (affine_iv): New structure.
9832 (simple_iv): Declaration changed.
9833 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9834 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9835 find_givs_in_stmt): Changed due to simple_iv change.
9837 2006-01-06 Jeff Law <law@redhat.com>
9840 * tree-cfg.c (bsi_replace): Rename final argument from
9841 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9842 change (stmt -> orig_stmt).
9843 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9844 (bsi_remove): Add new argument. Remove EH information
9846 (verify_eh_throw_table_statements): New function.
9847 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9849 * tree-optimize.c (execute_free_cfg_annotations): Verify
9850 the EH throw statement table after removing annotations.
9851 * except.h (verify_eh_throw_table_statements): Prototype.
9852 * tree-flow.h (bsi_remove): Update prototype.
9853 * tree-vrp.c (remove_range_assertions): Add new argument to
9855 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9856 * tree-complex.c (expand_complex_div_wide): Likewise.
9857 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9858 * tree-tailcall.c (eliminate_tailcall): Likewise.
9859 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9860 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9861 * tree-nrv.c (tree_nrv): Likewise.
9862 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9863 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9864 (combine_blocks): Likewise.
9865 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9866 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9867 (cleanup_control_flow): Likewise.
9868 (remove_forwarder_block): Likewise.
9869 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9870 * tree-sra.c (sra_replace): Likewise.
9871 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9872 (forward_propagate_single_use_vars): Likewise.
9873 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9874 * tree-inline.c (expand_call_inline): Likewise.
9875 * tree-vect-transform.c (vect_transform_loop): Likewise.
9876 * tree-outof-ssa.c (rewrite_trees): Likewise.
9877 * tree-cfg.c (make_goto_expr_edges): Likewise.
9878 (cleanup_dead_labels): Likewise.
9879 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9880 (bsi_move_before, bsi_move_after): Likewise.
9881 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9882 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9884 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9887 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9889 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9890 on non gimple variables. Also add checks at the top for decls and
9892 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9894 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9895 and IMAGPART_EXPR for creating MUST_DEFs.
9896 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9897 and NAME_MEMORY_TAG separately from the DECLs.
9899 2006-01-06 Richard Guenther <rguenther@suse.de>
9901 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9902 annotation, if necessary.
9903 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9904 redundant calls to update_stmt.
9905 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9908 2006-01-05 Richard Henderson <rth@redhat.com>
9910 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9912 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9914 * c-typeck.c: Update copyright date.
9916 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9918 * c-typeck.c (build_c_cast): Always warn when casting
9919 from a pointer to an integer of different size, even if
9920 the node was constant.
9922 2006-01-05 Richard Guenther <rguenther@suse.de>
9924 PR tree-optimization/22555
9925 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9926 if one structure field is an array.
9927 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9928 operands even if we found a subvar, but ignore VOPs in this
9930 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9932 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9934 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9937 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9939 2006-01-05 Richard Guenther <rguenther@suse.de>
9940 Diego Novillo <dnovillo@redhat.com>
9942 * tree-pass.h (TODO_remove_unused_locals): Define.
9943 * gimple-low.c (expand_var_p, remove_useless_vars,
9944 pass_remove_useless_vars): Remove. Update all users.
9945 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9946 (remove_unused_locals): New function.
9947 * tree-flow.h (remove_unused_locals): Declare.
9948 * passes.c (execute_todo): Call remove_unused_locals if
9949 TODO_remove_unused_locals is set.
9950 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9951 * tree-ssa-dce.c (pass_dce): Likewise.
9952 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9954 2006-01-05 Richard Guenther <rguenther@suse.de>
9956 * tree-flow.h (struct fieldoff): Decompose field to
9957 type, size and decl.
9958 * tree-ssa-alias.c (create_sft): Take type as parameter.
9959 (create_overlap_variables_for): Store type, size and decl
9960 in the fieldoff structure.
9961 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9963 (push_fields_onto_fieldstack): Likewise.
9964 (create_variable_info_for): Likewise. Use offset for the
9965 SFT name if the decl is not available.
9967 2006-01-04 Paul Brook <paul@codesourcery.com>
9969 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9971 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9973 * lambda-code.c (can_put_in_inner_loop): Relax
9975 (can_put_after_inner_loop): New function.
9976 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9977 (perfect_nestify): Change to make copies and modify uses.
9979 2006-01-04 Richard Henderson <rth@redhat.com>
9981 Merge from gomp branch:
9982 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9983 via integer constant.
9984 (pragma_lex): Remove.
9985 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9986 rather than parsing it.
9987 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9988 handle_pragma_extern_prefix): Add %< %> quotes.
9989 (registered_pragmas): New.
9990 (c_register_pragma_1): New.
9991 (c_register_pragma): Use it.
9992 (c_register_pragma_with_expansion): Likewise.
9993 (c_invoke_pragma_handler): New.
9994 (init_pragma): Use cpp_register_deferred_pragma directly for
9996 * c-pragma.h (enum pragma_kind): New.
9997 (pragma_handler): New.
9998 (c_invoke_pragma_handler): Declare.
9999 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10001 * c-common.h (c_common_pch_pragma): Update decl.
10002 * Makefile.in (c-parser.o): Update dependencies.
10003 (GTFILES): Add c-pragma.h.
10004 * c-parser.c (struct c_token): Add pragma_kind.
10005 (struct c_parser): Add in_pragma.
10006 (c_lex_one_token): Always initialize keyword and pragma_kind.
10007 Extract data for CPP_PRAGMA.
10008 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10009 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10010 Don't allow CPP_PRAGMA_EOL if in_pragma.
10011 (c_parser_consume_pragma): New.
10012 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10013 (c_parser_skip_to_end_of_parameter): Likewise.
10014 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10015 (c_parser_skip_to_pragma_eol): New.
10016 (c_parser_external_declaration): Handle CPP_PRAGMA.
10017 (c_parser_compound_statement_nostart): Likewise.
10018 (c_parser_statement_after_labels): Likewise.
10019 (c_parser_pragma): New.
10020 (pragma_lex): Likewise.
10021 (c_parser_pragma_pch_preprocess): New.
10022 (c_parser_new): Merge into ...
10023 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10025 2006-01-04 Jeff Law <law@redhat.com>
10028 * tree-cfg.c (bsi_replace): Remove the original statement
10029 from the EH throw statement table.
10031 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10033 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10034 make the prototype extern "C" and add throw ().
10037 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10038 and pos non-negative and pos + len <= 32.
10039 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10040 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10041 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10044 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10045 as well as sizes not multiple of component size.
10048 * function.c (instantiate_expr): New function.
10049 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10050 walk its DECL_VALUE_EXPR with instantiate_expr.
10052 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10053 DW_OP_deref{,_size} if address isn't going to be added.
10055 2006-01-04 Ben Elliston <bje@au.ibm.com>
10057 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10058 * config/fp-bit.c: Likewise.
10060 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10062 * dominance.c: Add comment about why we use DFS numbering
10065 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10066 Richard Henderson <rth@redhat.com>
10068 Merge from gomp-branch:
10069 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10070 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10072 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10074 PR rtl-optimization/25578
10075 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10076 pass a parameter to simplify_shift_const if changing ASHIFTRT
10079 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10081 * builtins.c (get_builtin_sync_mem): New function.
10082 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10083 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10084 Call get_builtin_sync_mem to generate mem rtx.
10086 2006-01-03 Richard Guenther <rguenther@suse.de>
10089 * stmt.c (add_case_node): Make sure to clear overflow flags
10092 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10094 Merge from gomp-branch.
10095 * config/sparc/sync.md: New file.
10096 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10097 UNSPECV_LDSTUB): New constants.
10098 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10099 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10100 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10103 2006-01-03 Roger Sayle <roger@eyesopen.com>
10105 * combine.c (reg_subword_p): New predicate to test whether the
10106 destination of a set refers to a subword/piece of a register.
10107 (try_combine): Generalize the code to merge the setting of a
10108 pseudo to a constant followed by a set of a subword of that
10109 register to a constant.
10111 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10113 * basic-block.h (control_flow_graph): Change the type of
10114 x_label_to_block_map to VEC(basic_block,gc) *.
10115 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10116 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10118 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10119 VEC(basic_block,heap) *.
10120 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10121 ssa_prop_fini): Adjust the uses of cfg_blocks.
10123 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10125 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10127 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10128 hashing trees instead of a pointer hash.
10129 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10130 compare for MEM_EXPR.
10132 PR rtl-optimization/25130
10133 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10134 when comparing MEMs for GCSE
10136 2006-01-03 Ben Elliston <bje@au.ibm.com>
10138 * targhooks.h (default_decimal_float_supported_p): Declare.
10139 * targhooks.c (default_decimal_float_supported_p): Define.
10140 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10141 `default_decimal_float_supported_p'.
10142 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10144 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10146 * combine.c (apply_distributive_law <SUBREG>): Check
10147 TRULY_NOOP_TRUNCATION.
10149 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10151 * dwarf2out.c (have_switched_text_section): Delete.
10152 (have_multiple_function_sections): New.
10153 (have_location_lists): Make 'bool'.
10154 (add_AT_loc_list): Use 'true' not '1'.
10155 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10156 (output_loc_list): Use have_multiple_function_sections.
10157 (output_ranges): Likewise.
10158 (dwarf2out_begin_function): Set have_multiple_function_sections if
10160 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10161 Check function_section rather than DECL_SECTION_NAME.
10162 (dwarf2out_finish): Use have_multiple_function_sections.
10163 Don't clear have_location_lists.
10165 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10166 Jan Hubicka <jh@suse.cz>
10168 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10169 case of conditional jump jumping to the next instruction.
10170 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10171 cases of conditional jump jumping to the next instruction.
10173 2006-01-02 Jan Hubicka <jh@suse.cz>
10175 * i386.c (*_cost): Add COSTS_N_INSNS.
10176 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10178 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10181 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10183 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10185 * config/arm/arm.c (all_fpus): Fix comment typo.
10186 * config/darwin.c: Likewise.
10187 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10188 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10189 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10191 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10193 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10194 (rs6000_split_compare_and_swapqhi): New.
10195 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10196 (sync_compare_and_swapqhi_internal): New.
10197 * config/rs6000/rs6000-protos.h: Declare.
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