1 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
3 * basic-block.h (safe_insert_insn_on_edge): Removed.
4 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7 2006-04-26 David Edelsohn <edelsohn@gnu.org>
8 Paolo Bonzini <bonzini@gnu.org>
11 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
12 (simplify_and_const_int): Same.
14 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
16 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
18 2006-04-26 Jakub Jelinek <jakub@redhat.com>
21 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
22 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
23 cgraph_global_info_ready.
26 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
29 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
30 either decl or init is error_mark_node.
33 * tree-flow.h (struct omp_region): Add sched_kind.
34 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
35 instead of extracting omp for data.
36 (expand_omp_for): Save extracted sched_kind.
38 2006-04-25 Roger Sayle <roger@eyesopen.com>
40 * expmed.c (store_bit_field): Also check whether the bitsize is
41 valid for the machine's "insv" instruction before moving the
42 target into a pseudo for use with the insv.
43 * config/i386/predicates.md (const8_operand): New predicate.
44 * config/i386/i386.md (extv, extzv, insv): Use the new
45 const8_operand predicate where appropriate.
47 2006-04-25 DJ Delorie <dj@redhat.com>
49 * doc/install.texi (Specific): Clarify that this is not a list of
50 supported hosts or targets.
52 2006-04-25 Richard Sandiford <richard@codesourcery.com>
54 PR rtl-optimization/26725
55 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
56 block's BB_DIRTY flag.
58 2006-04-25 Geoffrey Keating <geoffk@apple.com>
60 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
63 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
66 2006-04-25 David Edelsohn <edelsohn@gnu.org>
68 * varasm.c (align_variable): New function.
69 (get_block_for_decl): Apply align_variable to DECL before
70 calculating section information.
71 (assemble_variable): Split out alignment computation.
73 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
75 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
78 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
80 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
81 MODE_PARTIAL_INT mode.
82 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
83 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
85 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
86 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
88 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
90 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
92 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
93 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
94 MACFLAG_IH): Likewise.
95 (movstricthi_1): Renamed from "*movstricthi".
96 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
97 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
98 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
99 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
100 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
101 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
102 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
103 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
104 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
105 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
106 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
107 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
108 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
109 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
110 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
112 * doc/rtl.texi (ss_ashift): Improve wording.
114 2006-04-24 Geoffrey Keating <geoffk@apple.com>
116 * dwarf2out.c (verify_marks_clear): New.
117 (prune_unused_types): Call verify_marks_clear initially, not
120 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
122 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
123 * doc/rtl.texi: Document them.
124 * simplify-rtx.c (simplify_unary_operation,
125 simplify_binary_operation_1): Don't abort when we see them.
127 2006-04-24 Mark Mitchell <mark@codesourcery.com>
130 2006-04-23 Mark Mitchell <mark@codesourcery.com>
131 * configure.ac: Completely disregard languages that are not
133 * configure: Regenerated.
135 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
136 Richard Guenther <rguenther@suse.de>
138 PR tree-optimization/27236
139 * tree-inline.c (copy_body_r): Make sure to copy
140 TREE_THIS_VOLATILE flag.
142 2006-04-24 Richard Guenther <rguenther@suse.de>
145 * tree-complex.c (update_parameter_components): Don't handle
146 unused parameters which have no default def.
148 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
149 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/27218
152 * tree-inline.c (expand_call_inline): Strip useless type
153 conversions for the return slot address.
155 2006-04-24 Richard Guenther <rguenther@suse.de>
157 * cfgloop.h (struct loops): Remove unused field array. Reorder
159 (LOOP_PREFETCH): Remove.
161 2006-04-24 Richard Guenther <rguenther@suse.de>
163 PR tree-optimization/22525
164 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
165 variable, adjust types of generated expressions.
167 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
169 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
170 (tree-vect-patterns.o): Likewise.
172 (cselib.o): Likewise.
173 (loop-doloop.o): Likewise.
174 (regclass.o): Likewise.
175 (reload1.o): Likewise.
176 (explow.o): Replace target.h with $(TARGET_H).
177 (ipa-prop.o): Likewise.
178 (ipa-cp.o): Likewise.
179 (ipa-inline.o): Likewise.
181 (reg-stack.o): Likewise.
183 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
185 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
187 2006-04-23 Mark Mitchell <mark@codesourcery.com>
189 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
191 * configure.ac: Completely disregard languages that are not
193 * configure: Regenerated.
196 * c-common.h (c_build_bitfield_integer_type): Declare.
197 * c-decl.c (c_build_bitfield_integer_type): Move to ...
198 * c-common.c (c_build_bitfield_integer_type): ... here.
200 2006-04-23 Roger Sayle <roger@eyesopen.com>
203 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
204 a SImode SUBREG of a floating point register after no_new_pseudos.
206 2006-04-23 Roger Sayle <roger@eyesopen.com>
208 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
209 identify potentially eliminable registers to additionally catch
210 VIRTUAL_INCOMING_ARGS_REGNUM.
211 (addsi3): Update the conditions on when to use addsi_small_int.
213 2006-04-23 Roger Sayle <roger@eyesopen.com>
216 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
217 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
218 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
220 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
222 * fold-const.c (range_predecessor): Use operand_equal_p
223 as the predicate for equality.
224 (range_successor): Likewise.
226 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
229 * config/soft-fp/op-common.h: Fix a typo.
231 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
234 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
235 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
237 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
239 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
241 * doc/tm.texi: Fix a typo.
243 2006-04-21 Geoffrey Keating <geoffk@apple.com>
245 * dwarf2out.c (struct die_struct): Document that die_sib makes
246 a circular linked list.
247 (FOR_EACH_CHILD): New.
248 (reverse_die_lists): Delete.
249 (reverse_all_dies): Delete.
250 (add_dwarf_attr): Correct documentation.
251 (remove_child_with_prev): New.
252 (remove_child_TAG): Update for change to die_struct, use
253 remove_child_with_prev.
254 (add_child_die): Update for change to die_struct.
255 (splice_child_die): Use remove_child_with_prev and add_child_die.
256 (print_die): Use FOR_EACH_CHILD.
257 (die_checksum): Likewise.
258 (assign_symbol_names): Likewise.
259 (output_location_lists): Likewise.
260 (build_abbrev_table): Likewise.
261 (calc_die_sizes): Likewise.
262 (mark_dies): Likewise.
263 (unmark_dies): Likewise.
264 (unmark_all_dies): Likewise.
265 (output_die): Likewise.
266 (prune_unused_types_mark): Likewise.
267 (prune_unused_types_walk): Likewise.
268 (same_die_p): Update for change to die_struct.
269 (break_out_includes): Likewise.
270 (prune_unused_types_prune): Likewise.
271 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
272 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
274 (dwarf2out_finish): Don't call reverse_all_dies.
276 2006-04-21 Eric Christopher <echristo@apple.com>
278 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
279 in comments and function names.
281 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
284 * c-typeck.c (digest_init): Robustify.
286 * c-typeck.c (pop_init_level): Simplify.
288 2006-04-21 Steve Ellcey <sje@cup.hp.com>
290 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
292 2006-04-21 Paul Brook <paul@codesourcery.com>
294 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
295 hardware floating point.
297 2006-04-21 David Edelsohn <edelsohn@gnu.org>
299 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
302 2006-04-21 Nick Clifton <nickc@redhat.com>
304 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
307 2006-04-21 Alan Modra <amodra@bigpond.net.au>
310 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
311 C++ lang type in traceback table for Objective-C++.
313 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
315 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
317 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
319 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
322 * tree-mudflap.c (mudflap_finish_file): Skip function when there
323 were errors. Remove check for erroneous objects.
325 2006-04-20 Jeff Law <law@redhat.com>
327 PR tree-optimization/26854
328 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
329 checking for zero or one use.
330 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
331 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
332 * tree-ssa-reassoc.c (negate_value): Similarly.
333 (reassociate_bb): Similarly.
335 2006-04-20 Jakub Jelinek <jakub@redhat.com>
337 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
338 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
339 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
341 2006-04-20 Alan Modra <amodra@bigpond.net.au>
343 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
344 fp regs if the last fp arg doesn't fit in regs.
346 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
349 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
350 that the last insn has the REG_INC note.
352 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
353 Nathan Sidwell <nathan@codesourcery.com>
356 * stor-layout.c (update_alignment_for_field): Do not align
358 (place_union_field): Place union field at the start of the union.
359 (place_field): Move ERROR_MARK check later, and use the current
360 allocation position to maintain monotonicity.
362 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
364 * dominance.c: Include timevar.h.
365 (calculate_dominance_info): Use TV_DOMINANCE.
366 * timevar.def (TV_DOMINANCE): New timevar.
367 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
369 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
371 PR rtl-optimization/14261
372 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
373 move would be an INSV insn.
374 (noce_process_if_block): Don't optimize if the destination is a
375 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
377 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
379 * config/s390/s390.md: Add comments with the instructions emitted
380 by an insn pattern if macros are used.
382 2006-04-19 Alan Modra <amodra@bigpond.net.au>
384 PR rtl-optimization/26026
385 * fold-const.c (fold_binary): Optimize div and mod where the divisor
386 is a known power of two shifted left a variable amount.
388 2006-04-18 Geoffrey Keating <geoffk@apple.com>
390 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
391 to hash table twice when the debug_str section has SECTION_MERGE.
393 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
395 * config/soft-fp: New directory. From glibc.
396 * config/soft-fp/t-softfp: New.
397 * config/soft-fp/README: New.
398 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
399 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
400 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
401 (LIBGCC_DEPS): Add $(SFP_MACHINE).
402 * config.gcc: Use rs6000/t-fprules-fpbit or
403 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
405 * config/rs6000/sfp-machine.h: New. Based on glibc.
406 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
408 * config/rs6000/t-fprules: Remove fp-bit rules.
409 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
410 * config/rs6000/t-linux64: Likewise. Remove duplicates from
411 LIB2FUNCS_EXTRA. Remove fp-bit rules.
412 (softfp_wrap_start, softfp_wrap_end): New.
414 2006-04-18 DJ Delorie <dj@redhat.com>
416 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
418 2006-04-18 Devang Patel <dpatel@apple.com>
420 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
422 2006-04-18 Nick Clifton <nickc@redhat.com>
424 * config/sh/t-symbian: Add rule to build sh-c.o
425 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
426 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
427 (sh_symbian_encode_section_info): Likewise.
429 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
431 * builtins.c (expand_builtin_strcmp): Cover label definition of
432 do_libcall with HAVE_cmpstrnsi.
434 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
436 * function.c (temp_slots_at_level, max_slot_level): Use VEC
438 * function.h (temp_slot_p): New.
439 (function): Change the type of x_used_temp_slots to
440 VEC(temp_slot_p,gc) *.
442 2006-04-18 Nick Clifton <nickc@redhat.com>
444 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
445 flag_strength_reduce.
447 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
449 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
453 Partial revert of revision 112637
454 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
455 Dale Johannesen <dalej@apple.com>
458 * regclass.c (struct reg_pref): Update documentation.
459 (regclass): Set prefclass to NO_REGS if memory is the best option.
460 (record_reg_classes): Cope with a prefclass set to NO_REGS.
462 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
464 PR tree-optimization/26821
465 * tree-ssa-math-opts.c (get_constant_one): New.
466 (insert_reciprocals): Use it.
468 2006-04-17 Geoffrey Keating <geoffk@apple.com>
470 * dwarf2out.c (free_AT): Delete.
471 (remove_AT): Update string ref counts.
472 (remove_child_TAG): Don't call free_die.
474 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
476 (prune_unused_types_walk_attribs): Reset string refcounts.
477 (prune_unused_types_update_strings): New.
478 (prune_unused_types_prune): Don't make unnecessary stores. Don't
479 call free_die. Do call prune_unused_types_update_strings.
480 (prune_unused_types): Empty debug_str_hash.
482 2006-04-17 Roger Sayle <roger@eyesopen.com>
484 * expr.c (expand_assignment): Optimize away no-op moves where the
485 source and destination are equal and have no side-effects.
487 2006-04-17 Richard Guenther <rguenther@suse.de>
490 * reload.c (push_reload): Guard calls to get_secondary_mem
493 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
495 * alias.c (reg_base_value, old_reg_base_value): Change the
496 type to VEC(rtx,gc) *.
497 (REG_BASE_VALUE, find_base_value, record_set,
498 init_alias_analysis): Use VEC instead of VARRAY.
500 * alias.c (alias_sets): Change the type to
501 VEC(alias_set_entry,gc) *.
502 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
503 VEC instead of VARRAY.
504 (last_alias_set): Remove.
506 * cgraph.h (cgraph_edge_p): New.
507 Update the prototype of cgraph_function_versioning.
508 * cgraphunit.c (cgraph_copy_node_for_versioning,
509 cgraph_function_versioning): Use VEC instead of VARRAY.
510 * ipa-cp.c (ipcp_insert_stage): Likewise.
512 2006-04-16 Roger Sayle <roger@eyesopen.com>
515 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
516 "A op B" or "A op C", we may need to convert A to the type of B and C.
518 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
520 * target.h (struct gcc_target): Add mode_rep_extended.
521 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
522 (init_num_sign_bit_copies_in_rep): Initialize it using
524 (truncate_to_mode): Use it.
525 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
526 * targhooks.h (default_mode_rep_extended): Declare it.
527 * targhooks.c (default_mode_rep_extended): Define it.
528 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
529 default_mode_rep_extended.
530 (TARGET_INITIALIZER): Include it.
531 * doc/tm.texi (Misc): Document it.
532 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
533 (mips_truncated_to_mode): New function.
535 2006-04-16 Roger Sayle <roger@eyesopen.com>
538 * expr.c (compress_float_constant): Copy the narrow constant into
539 a new pseudo before extending it to its final width.
541 2006-04-16 Roger Sayle <roger@eyesopen.com>
542 Andrew Pinski <pinskia@gcc.gnu.org>
543 Dale Johannesen <dalej@apple.com>
546 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
547 special case code to implement V8HImode and V16QImode with SSE2.
549 2006-04-15 Roger Sayle <roger@eyesopen.com>
551 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
552 trees are constructed with a suitable tree type.
554 2006-04-15 Roger Sayle <roger@eyesopen.com>
556 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
557 (integer_onep): Likewise.
558 (integer_all_onesp): Likewise.
559 (integer_pow2p): Likewise.
560 (integer_nonzerop): Likewise.
561 (real_zerop): Likewise.
562 (real_onep): Likewise.
563 (real_twop): Likewise.
564 (real_minus_onep): Likewise.
565 (int_size_in_bytes): Likewise.
566 (host_integerp): Likewise.
568 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
570 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
571 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
572 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
574 * tree-ssa-structalias.h (alias_info): Remove num_references.
576 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
578 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
579 (output_bvb patterns): Likewise.
580 * pa.c (output_bb): Use 'bb' insn for long branch case.
581 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
582 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
583 1. Correct length operand for alternatives 1 and 2.
584 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
585 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
587 2006-04-14 Roger Sayle <roger@eyesopen.com>
589 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
590 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
591 were accidentally reverted by r112959.
593 2006-04-15 Jakub Jelinek <jakub@redhat.com>
596 * except.h (eh_region_outermost): New prototype.
597 * except.c (eh_region_outermost): New function.
598 * tree-cfg.c (find_outermost_region_in_block): Use it.
600 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
602 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
604 * reload1.c (reg_equiv_memory_loc_varray): Rename to
605 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
606 (init_reload, reload): Use VEC instead of VARRAY.
607 * reload.h: Update the prototype for
608 reg_equiv_memory_loc_varray.
610 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
611 Eric Botcazou <ebotcazou@libertysurf.fr>
613 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
616 2005-04-13 Uros Bizjak <uros@kss-loka.si>
619 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
620 to expand fallback builtin function call.
622 2006-04-14 Alan Modra <amodra@bigpond.net.au>
625 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
626 and emit libcall here in case the builtin fails.
627 (expand_builtin_strcmp): Always emit the libcall here on failure.
629 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
631 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
632 * flow.c (reg_n_info): Change the type to
633 VEC(reg_info_p,heap) *.
634 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
636 * regs.h (reg_info_p): New.
637 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
638 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
639 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
642 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
644 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
646 * params.h (MAX_SCHED_READY_INSNS): New macro.
647 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
648 past MAX_SCHED_READY_INSNS during the first scheduling pass.
649 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
650 the ready list for 1 cycle during the first scheduling pass.
651 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
653 2006-04-13 Richard Henderson <rth@redhat.com>
656 * gimple-low.c (lower_omp_directive): Remove dead code.
657 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
658 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
659 * omp-low.c (struct omp_region): Move to tree-flow.h.
660 (root_omp_region): Export.
661 (omp_regions, lookup_omp_region): Remove.
662 (determine_parallel_type): Update for struct omp_region changes.
663 (dump_omp_region): Dump regions with block numbers.
664 (new_omp_region): Take type and block instead of stmt; malloc
666 (free_omp_region_1, free_omp_regions): New.
667 (expand_parallel_call): Take entry_stmt as argument; update for
668 changes to omp_region.
669 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
670 (remove_exit_barriers): New.
671 (expand_omp_parallel): Update for struct omp_region changes.
672 (expand_omp_synch): Likewise.
673 (expand_omp): Likewise.
674 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
675 (expand_omp_for_static_chunk): Likewise.
676 (expand_omp_for): Likewise.
677 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
678 (expand_omp_sections): Similarly, with GOMP_sections_end.
679 (expand_omp_single): New.
680 (build_omp_regions_1): Update for OMP_CONTINUE.
681 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
682 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
683 OMP_SECTIONS_SECTIONS.
684 (lower_omp_single_simple): Don't emit barrier here.
685 (lower_omp_single_copy): Likewise.
686 (lower_omp_single): Fix bindings, and lower to straightline now.
687 (lower_omp_master, lower_omp_ordered): Likewise.
688 (lower_omp_critical): Likewise.
689 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
690 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
691 omp edges, free it afterward.
692 (make_omp_sections_edges): Remove.
693 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
694 (move_stmt_r): Handle OMP_CONTINUE.
695 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
696 statement pointers to basic blocks. Add type member.
697 (root_omp_region, new_omp_region, free_omp_regions): Declare.
698 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
699 * tree-inline.c (estimate_num_insns_1): Likewise.
700 * tree-pretty-print.c (dump_generic_node): Likewise.
701 * tree-ssa-operands.c (get_expr_operands): Likewise.
702 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
703 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
705 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
706 (OMP_SECTIONS_SECTIONS): Remove.
707 (OMP_SECTION_LAST): New.
708 (OMP_RETURN_NOWAIT): New.
710 2006-04-13 Roger Sayle <roger@eyesopen.com>
712 * fold-const.c (native_encode_vector, native_interpret_real):
713 Correct obvious mistakes in the previous check-in.
715 2006-04-13 Roger Sayle <roger@eyesopen.com>
717 * fold-const.c (native_encode_expr): New function to encode
718 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
719 or VECTOR_CST into a specified buffer.
720 (native_encode_int): New function.
721 (native_encode_real): New function.
722 (native_encode_complex): New function.
723 (native_encode_vector): New function.
724 (native_interpret_expr): Inverse of native_encode_expr to convert
725 a target representation into an INTEGER_CST, REAL_CST etc...
726 (native_interpret_int): New function.
727 (native_interpret_real): New function.
728 (native_interpret_complex): New function.
729 (native_interpret_vector): New function.
730 (fold_view_convert_expr): New function to constant fold/evaluate
731 a VIEW_CONVERT_EXPR of a suitable constant expression.
732 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
733 Change call of build1 to fold_build1 when constructing a
736 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
737 Ulrich Weigand <uweigand@de.ibm.com>
740 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
743 2006-04-13 Alan Modra <amodra@bigpond.net.au>
746 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
747 optimize to lo_sum for DFmode if !TARGET_FPRS.
749 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
751 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
752 delete_alias_info, compute_flow_sensitive_aliasing,
753 group_aliases): Use VEC instead of VARRAY.
754 * tree-ssa-structalias.c (update_alias_info): Likewise.
755 * tree-ssa-structalias.h (alias_info): Change the type of
756 processed_ptrs to VEC(tree,heap) *.
758 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
761 * config/sh/lib1funcs.h: New file, broken out of:
762 * config/sh/lib1funcs.asm.
763 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
765 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
766 * config/sh/lib1funcs-Os-4-200.asm: New file.
767 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
768 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
769 (EXTRA_MULTILIB_PARTS): Include it.
770 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
771 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
772 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
773 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
776 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
778 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
779 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
780 tpa_compact, root_var_init, type_var_init): Use VEC instead of
782 * tree-ssa-live.h: Include vecprim.h.
783 (tree_partition_associator_d): Change the type of
784 first_partition to VEC(int,heap) *.
785 (tpa_first_partition): Use VEC instead of VARRAY.
787 * Makefile.in (GTFILES): Move functions.h after tree.h.
788 * function.c (reset_block_changes, record_block_change,
789 check_block_change, free_block_changes): Use VEC instead of
791 * function.h (function): Change the type of
792 ib_boundaries_block to VEC(tree,gc) *.
793 * tree-inline.c (copy_cfg_body): Initialize
794 ib_boundaries_block to NULL instead of (varray_type) 0.
796 2006-04-12 Roger Sayle <roger@eyesopen.com>
798 * expr.c (emit_group_store): Correct operand order in call to
799 subreg_lowpart_offset. Always create paradoxical SUBREGs with
800 a SUBREG_BYTE of zero.
802 2006-04-12 Richard Guenther <rguenther@suse.de>
804 * profile.c (compute_branch_probabilities): Remove code
805 encapsulated in !ir_type (), which are remanents of the
806 removed RTL profiling code.
807 * rtl-profile.c: Remove.
809 2006-04-12 Alan Modra <amodra@bigpond.net.au>
811 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
812 magic NULL_RTX comment.
813 (function_arg): Store entire fp arg to mem if any part should go
815 (rs6000_arg_partial_bytes): Adjust for above change.
817 2006-04-11 Roger Sayle <roger@eyesopen.com>
819 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
820 if it hasn't been initialized by dwarf2out_init.
822 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
824 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
825 symbolic constants in branch patterns.
827 2006-04-11 Roger Sayle <roger@eyesopen.com>
829 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
831 2006-04-11 Richard Sandiford <richard@codesourcery.com>
833 PR rtl-optimization/27073
834 * gcse.c (try_replace_reg): Revert last change. Continue to search
835 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
838 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
840 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
841 aggregate types other than record and union types.
842 (function_arg): Likewise.
843 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
845 (function_value): In 64-bit mode, return objects that require it
848 2006-04-11 Roger Sayle <roger@eyesopen.com>
850 * dwarf2out.c (premark_used_types): Remove problematic prototype.
852 2006-04-11 Jakub Jelinek <jakub@redhat.com>
854 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
856 2006-04-03 Jeff Law <law@redhat.com>
859 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
860 alias information too.
862 2006-04-10 Mike Frysinger <vapier@gentoo.org>
864 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
866 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
869 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
870 (premark_used_types_helper): New.
871 (premark_used_types): New.
872 (gen_subprogram_die): Call premark_used_types.
873 (prune_unused_types_walk): Do not prune perennial dies.
874 * function.c (used_types_insert): New.
875 * function.h (struct function): Add used_types_hash field.
876 (used_types_insert): Add prototype.
877 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
878 * c-parser.c (c_parser_cast_expression): Save casted types in used
881 2006-04-11 Mark Mitchell <mark@codesourcery.com>
884 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
885 rs6000_explicit_options.float_gprs.
887 2006-04-10 Roger Sayle <roger@eyesopen.com>
889 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
890 from ix86_expand_vector_init_low_nonzero. Take an additional
891 one_var argument indicating which element is non-zero. Support
892 one_var != 0 for V4SFmode and V4SImode by permuting the result.
893 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
894 with one_var instead of ix86_expand_vector_init_low_nonzero.
896 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
898 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
899 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
900 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
901 build/genextract.o): Depend on vecprim.h.
902 * cfglayout.c, df-problems.c, function.c, genextract.c,
903 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
904 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
908 2006-04-10 Geoffrey Keating <geoffk@apple.com>
910 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
911 Declare VECs of this type.
912 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
913 (remove_children): Delete.
914 (add_dwarf_attr): Use VEC routines.
915 (add_AT_flag): Update for changes to add_dwarf_attr.
916 (add_AT_int): Likewise.
917 (add_AT_unsigned): Likewise.
918 (add_AT_long_long): Likewise.
919 (add_AT_vec): Likewise.
920 (add_AT_string): Likewise.
921 (add_AT_die_ref): Likewise.
922 (add_AT_fde_ref): Likewise.
923 (add_AT_loc): Likewise.
924 (add_AT_loc_list): Likewise.
925 (add_AT_addr): Likewise.
926 (add_AT_lbl_id): Likewise.
927 (add_AT_lineptr): Likewise.
928 (add_AT_macptr): Likewise.
929 (add_AT_offset): Likewise.
930 (add_AT_range_list): Likewise.
931 (get_AT): Use VEC_iterate.
932 (remove_AT): Use VEC_ordered_remove.
933 (free_die): Fold remove_children into here; have it use VEC_iterate.
934 (print_die): Use VEC_iterate on attrs.
935 (reverse_die_lists): Don't reverse attr lists.
936 (die_checksum): Use VEC_iterate on attrs.
937 (same_die_p): Likewise.
938 (output_location_lists): Likewise.
939 (build_abbrev_table): Likewise.
940 (size_of_die): Likewise.
941 (unmark_all_dies): Likewise.
942 (output_abbrev_section): Likewise.
943 (output_die): Likewise.
944 (prune_unused_types_walk_attribs): Likewise.
946 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
948 * doc/install.texi (*-*-solaris2*): Point to the configure page.
950 2006-04-10 Jakub Jelinek <jakub@redhat.com>
953 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
955 2006-04-09 Roger Sayle <roger@eyesopen.com>
957 * expr.c (store_constructor): Don't bother clearing target if
958 we're about to assign a vector to it using vec_init_optab.
960 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
962 * tree-ssa-alias.c (lhs_may_store_to): New function.
963 (recalculate_used_alone): Handle LHS of calls.
965 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
969 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
970 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
971 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
972 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
973 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
974 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
975 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
976 stubs. Add ".align 8" directives before all ".dword" directives.
977 (GTHREAD_USE_WEAK): Revise comment.
978 (TARGET_ATTRIBUTE_WEAK): Define.
979 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
980 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
981 * stublib.c: New file.
986 * pa.md (cbranch patterns): Revise arguments used in calls to
987 output_cbranch, output_bb and output_bvd. Add long branch length
989 (fbranch patterns): Handle long branches.
990 (jump): Revise length check. Revise arguments for output_lbranch call.
991 Add long branch length attributes.
992 (decrement_and_branch_until_zero): Add long branch length attributes.
993 (output_movb, output_parallel_addb and output_parallel_movb patterns):
994 Likewise. Revise arguments for output_parallel_addb and
995 output_parallel_movb calls.
996 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
997 output_parallel_movb and output_parallel_addb): Update prototypes.
998 * pa.c (output_cbranch): Revise arguments. Correct handling of
999 nullification in long branches.
1000 (output_lbranch): Add new argument to control extraction of delay
1002 (output_bb): Handle long branches.
1003 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1004 output_parallel_addb): Likewise.
1006 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1008 PR rtl-optimization/27073
1009 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1012 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1014 * tree.h (tree_memory_tag): Add old_used_alone.
1015 (SMT_OLD_USED_ALONE): New macro.
1016 * tree-ssa-alias.c (recalculate_used_alone): Stop
1017 marking things for renaming unnecessarily.
1019 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1021 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1022 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1023 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1024 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1025 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1026 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1027 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1028 spelling convensions.
1029 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1030 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1031 typos. Follow spelling conventions.
1033 2006-04-07 DJ Delorie <dj@redhat.com>
1035 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1036 passed on the stack.
1037 (m32c_init_cumulative_args): When a function returns a structure,
1038 always pass the pointer to that return area on the stack.
1039 (m32c_function_arg_advance): Don't increment the parameter number
1040 if we're processing the returned structure pointer.
1041 (pushm_info): Reverse order of registers.
1043 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1045 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1046 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1047 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1048 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1050 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1051 chrec_fold_multiply): Same.
1052 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1053 force_expr_to_var_cost): Same.
1054 * tree-mudflap.c (mf_xform_derefs_1): Same.
1055 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1057 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1059 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1060 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1063 2006-04-07 Jan Hubicka <jh@suse.cz>
1065 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1067 2006-04-07 Richard Guenther <rguenther@suse.de>
1069 PR tree-optimization/26135
1070 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1071 loads for store copy-prop.
1072 (copy_prop_visit_stmt): Likewise.
1074 2006-04-05 Robert Millan <robertmh@gnu.org>
1076 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1077 being overriden in config/k*bsd-gnu.h.
1078 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1080 * gcc/config/knetbsd-gnu.h: Ditto.
1082 2006-04-06 Jan Hubicka <jh@suse.cz>
1086 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1089 2006-04-06 Mike Stump <mrs@apple.com>
1091 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1092 for HAVE_nonlocal_goto to be consistent.
1093 (expand_builtin_nonlocal_goto): Likewise.
1094 (expand_builtin_strcmp): Use #ifdef instead of #if
1095 for HAVE_cmpstrnsi to be consistent.
1097 2006-04-05 DJ Delorie <dj@redhat.com>
1099 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1102 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1104 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1105 got-relative addressing for anything but SImode.
1107 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1108 even if the calling function doesn't modify them.
1110 2006-04-05 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/26919
1113 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1114 to cgraph_estimate_size_after_inlining.
1116 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1118 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1120 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1122 PR tree-optimization/26996
1123 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1124 VECTOR_TYPE variables.
1126 2006-04-05 Richard Guenther <rguenther@suse.de>
1128 PR tree-optimization/26763
1129 * fold-const.c (fold_comparison): Move folding of
1130 PTR + CST CMP PTR + CST ...
1131 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1133 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1135 * doc/install.texi (Prerequisites): Refine some wording on
1136 bootstrapping and ksh.
1137 Move the version numbers of DejaGnu here from the testing section
1138 and fix casing of names.
1139 Fix markup and clarify wording for autogen requirements.
1140 Refer to GCJ instead of just java.
1141 Refer to SVN instead of CVS.
1142 Describe diffutils as useful instead of necessary.
1143 (Downloading the source): Refer to SVN instead of CVS.
1144 Adjust a link to our web site accordingly.
1145 (Configuration): Fix casing of Bison.
1146 (Building): Refer to SVN instead of CVS.
1147 Fix a sentence on the use of Bison and remove duplicate (and
1148 incorrect) version number of Bison requirement.
1149 Remove one redundant list of packages needed for building.
1150 (Specific): Avoid reference to CVS.
1152 2006-04-04 Eric Christopher <echristo@apple.com>
1154 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1155 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1156 (rs6000_handle_struct_attribute): New.
1157 (rs6000_ms_bitfield_layout_p): Ditto.
1159 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1161 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1162 NULL for dso parameter to atexit_common.
1164 2006-04-04 Eric Christopher <echristo@apple.com>
1166 * config/i386/i386.c (machopic_output_stub): Output \t
1167 between instructions and operands.
1169 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1171 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1172 satisfies_constraint_[IL] to explicit tests on value.
1174 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1176 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1177 set_nb_iterations_in_loop): Use build_int_cst instead of
1179 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1180 build_int_cst instead of convert.
1182 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1184 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1185 new value 2 for incoming.
1186 * function.c (expand_function_start): Call struct_value_rtx
1188 * config/sparc/sparc.md: Comment updated_return.
1189 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1190 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1191 struct return if sparc_std_struct_return and incoming is 2.
1192 (print_operand): Do not adjust return if
1193 sparc_std_struct_return.
1195 2006-04-04 Roger Sayle <roger@eyesopen.com>
1197 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1198 convert in the middle-end.
1199 * expr.c (store_expr, store_constructor, get_inner_reference,
1200 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1202 * tree.c (build_range_type): Likewise.
1204 2006-04-04 Tom Tromey <tromey@redhat.com>
1206 * doc/install.texi (Prerequisites): Mention jar.
1208 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1210 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1213 2006-04-04 Matthias Klose <doko@debian.org>
1215 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1217 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1219 * doc/extend.texi (Function Attributes): Rewrite visibility
1220 attribute documentation.
1221 * doc/invoke.texi (C++ Dialect Options): Rewrite
1222 -fvisibility-inlines-hidden documentation to describe something
1223 entirely different, although in practise compatible.
1224 (Code Gen Options): Warn about system headers in -fvisibiltity=
1227 * doc/extend.texi (Other Builtins): Document that
1228 __builtin_nan is a compile-time constant only when its argument
1231 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1233 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1234 trying to remove TRUNCATE check if all bits outside the new mode
1235 are identical to the sign bit.
1237 2006-04-03 Jeff Law <law@redhat.com>
1239 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1240 and operand scanning in some common cases.
1242 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1243 Dale Johannesen <dalej@apple.com>
1246 * regclass.c (struct reg_pref): Update documentation.
1247 (regclass): Set prefclass to NO_REGS if memory is the best option.
1248 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1249 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1250 into account. For non-registers, equate an empty preferred
1251 reload class to a `!' in the constraint; move the if clause to
1252 do so after those that reject the insn.
1253 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1255 (find_dummy_reload): Likewise.
1256 * doc/tm.texi (Register Classes): Document what it means
1257 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1258 * config/i386/i386.c (ix86_preferred_reload_class): Force
1259 using SSE registers (and return NO_REGS for floating-point
1260 constants) if math is done with SSE.
1261 (ix86_preferred_output_reload_class): New.
1262 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1263 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1264 * config/i386/i386.md: Remove # register preferences.
1266 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1269 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1270 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1271 the type of nb_iter.
1272 (instantiate_parameters_1): Convert the operands before calling
1273 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1274 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1276 2006-04-02 Roger Sayle <roger@eyesopen.com>
1278 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1279 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1281 * dojump.c (do_jump): Likewise.
1282 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1283 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1284 gimplify_boolean_expr): Likewise.
1285 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1286 * varasm.c (array_size_for_constructor): Likewise.
1287 * tree-object-size.c (compute_object_offset): Likewise.
1289 2006-04-02 Roger Sayle <roger@eyesopen.com>
1292 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1293 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1295 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1297 PR tree-optimization/26939
1298 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1300 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1302 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1303 at_stmt. Convert the type of operands before calling
1304 build_polynomial_chrec.
1305 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1307 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1308 (instantiate_parameters_1): Convert the type of operands before calling
1309 build_polynomial_chrec.
1310 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1311 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1312 reset_evolution_in_loop): Insert asserts to check the types of the
1314 (chrec_type): Moved...
1315 (eq_evolutions_p): Use operand_equal_p.
1316 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1317 the types of the operands.
1318 (chrec_type): ...here.
1319 * tree-data-ref.c (create_data_ref): Convert the operands before
1320 calling chrec_replace_initial_condition.
1321 (same_access_functions, analyze_subscript_affine_affine,
1322 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1323 (compute_subscript_distance, analyze_ziv_subscript,
1324 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1325 analyze_miv_subscript): Convert the operands before calling
1326 chrec_fold_minus or chrec_fold_plus.
1328 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1330 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1331 the dependence_relations vector.
1332 (compute_data_dependences_for_loop): Adjust call to
1333 compute_all_dependences.
1335 2006-04-01 Roger Sayle <roger@eyesopen.com>
1336 Richard Henderson <rth@redhat.com>
1338 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1339 gimple_boolify on the condition before calling gimplify_expr.
1341 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1343 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1344 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1345 the frame size. Update to use the new macros.
1346 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1347 * config/xtensa/ieee754-df.S: Likewise.
1349 2006-03-31 Richard Henderson <rth@redhat.com>
1351 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1352 (make_edges): ... here. Control fallthru creation with a local
1353 variable. Do not play with fake edges.
1354 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1355 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1358 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1360 * dwarf2.h (DW64_CIE_ID): Define.
1361 * dwarf2out.c (DWARF_CIE_ID): Define.
1362 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1363 length header. Use DWARF_CIE_ID.
1364 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1365 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1367 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1369 * config/sh/linux-atomic.asm: New file.
1370 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1372 2006-03-31 DJ Delorie <dj@redhat.com>
1374 * config/m32c/cond.md: Set condition flags properly throughout.
1375 * config/m32c/minmax.md: Likewise.
1376 * config/m32c/prologue.md: Likewise.
1377 * config/m32c/bitops.md: Likewise.
1378 * config/m32c/muldiv.md: Likewise.
1379 * config/m32c/mov.md: Likewise.
1380 * config/m32c/addsub.md: Likewise.
1381 * config/m32c/m32c.md: Likewise.
1382 * config/m32c/jump.md: Likewise.
1383 * config/m32c/shift.md: Likewise.
1385 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1386 conditionally output the pattern for this.
1387 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1388 (m32c_compare_redundant): New.
1389 (m32c_output_compare): New.
1390 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1392 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1393 dest, not src. Allow other 4-byte modes.
1395 2006-03-30 Denis Chertykov <denisc@overta.ru>
1397 * doc/md.texi: Refer to avr/constraints.md instead of
1400 2006-03-30 Roger Sayle <roger@eyesopen.com>
1402 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1403 signed vs. unsigned comparison failures on some hosts.
1405 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1408 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1409 change to FLOAT_REGS.
1411 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1412 (rs6000_override_options): Use it.
1413 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1414 only for -mabi=spe/no-spe and -mabi=altivec.
1416 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1418 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1421 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1423 * Makefile.in: Rename docdir to gcc_docdir.
1425 2006-03-30 Roger Sayle <roger@eyesopen.com>
1428 * expr.c (emit_group_store): Optimize group stores into a pseudo
1429 register by using a paradoxical subreg to initialize the destination
1430 if the first or last member of the group specifies a "low part".
1432 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1435 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1436 * target.h (struct gcc_target.speculate_insn): Change type of the
1437 second parameter to 'int'.
1438 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1439 the second operand of the DEPS_LIST.
1440 (copy_DEPS_LIST_list): Update reference to the second operand of the
1442 * rtl.h (alloc_DEPS_LIST): Update signature.
1443 * sched-int.h (ds_t): Change typedef to 'int'.
1444 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1446 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1448 * haifa-sched.c (try_ready): Change condition to restore
1449 non-speculative pattern of the instruction.
1450 (process_insn_depend_be_in_spec): Code to keep probability of the
1451 speculative dependence non-decreasing.
1453 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1455 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1456 (single_move_for_movmem): ... this. Also change all uses.
1457 (bfin_expand_strmov): Renamed to...
1458 (bfin_expand_movmem): ... this. Also change all uses.
1459 * config/bfin/bfin.md (movstrsi): Renamed to...
1460 (movstrsi): ...this.
1462 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1464 PR tree-optimization/26830
1466 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1467 (copy_prop_visit_stmt): Remove write-only variable ann.
1468 (init_copy_prop): Check variable loop depth here. Do not simulate
1469 memory-tag and virtual operand PHIs except for store copy prop.
1471 2006-03-30 Richard Guenther <rguenther@suse.de>
1473 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1474 variants with double arguments.
1476 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1478 * genpreds.c (write_tm_constrs_h): Delete variable p.
1479 * genconditions.c (write_header): Add tm-constrs.h to included
1481 * genpeep.c (main): Add toplev.h to included headers.
1482 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1483 (build/genpeep.o): Add toplev.h dependency.
1484 * config/rs6000/constraints.md: Add "W" constraint.
1486 2006-03-29 Roger Sayle <roger@eyesopen.com>
1488 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1489 sizes by correctly testing whether the size fits a host integer.
1490 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1491 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1492 SImode range for the default sizetype and bitsizetype.
1494 2006-03-29 Roger Sayle <roger@eyesopen.com>
1496 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1497 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1498 quickly if the argument is already of the correct type.
1499 Call fold_build1 instead of build1. Tidy up blank lines.
1501 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1503 * genemit.c (main): Add tm-constrs.h to included headers.
1504 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1505 * genpeep.c (main): Add tm-constrs.h to included headers.
1506 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1507 (write_tm_constrs_h): this and write complete file.
1508 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1509 (write_insn_preds_c): Add tm-constrs.h to included headers.
1510 (gen_constrs): New variable.
1511 (parse_option): Parse "-c".
1512 (main): Invoke write_tm_constrs_h.
1513 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1514 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1515 (object_out_file): Add tm-constrs.h dependency.
1516 (insn-emit.o): Same.
1517 (insn-output.o): Same.
1518 (insn-peep.o): Same.
1519 (insn-preds.o): Same.
1520 (insn-recog.o): Same.
1521 (tm-constsr.h): New target.
1522 (s-constrs-h): New target.
1524 * config/rs6000/constraints.md: New file.
1525 * config/rs6000/rs6000.c: Include tm-constrs.h.
1526 (num_insn_constant_wide): Convert to satisfies_constraint.
1527 (rs6000_rtx_costs): Convert to satisfies_constraint.
1528 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1529 (CONST_OK_FOR_LETTER_P): Delete.
1530 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1531 (EXTRA_CONSTRAINT): Delete.
1532 (EXTRA_MEMORY_CONSTRAINT): Delete.
1533 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1534 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1535 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1536 satisfies_constraint.
1538 * config/i386/i386.c: Include tm-constrs.h.
1540 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1542 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1543 * tree-data-ref.c (find_data_references_in_loop,
1544 compute_data_dependences_for_loop): Use pointers to VEC.
1545 (analyze_all_data_dependences): Adjust calls.
1546 * tree-data-ref.h (find_data_references_in_loop,
1547 compute_data_dependences_for_loop): Adjust declarations.
1548 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1549 compute_data_dependences_for_loop.
1551 2006-03-29 Paul Brook <paul@codesourcery.com>
1553 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1556 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1558 PR tree-optimization/26859
1559 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1561 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1562 for the step after fold_convert.
1564 2006-03-29 Paul Brook <paul@codesourcery.com>
1566 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1567 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1569 2006-03-29 Paul Brook <paul@codesourcery.com>
1572 * targhooks.c (default_narrow_bitfield): New fuction.
1573 * targhooks.h (default_narrow_bitfield): add prototype.
1574 * target.h (gcc_target): Add narrow_volatile_bitfield.
1575 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1576 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1577 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1578 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1580 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1582 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1584 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1585 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1586 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1587 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1588 (s390_function_arg_float): Allow SDmode and DDmode values to be
1589 passed in floating point registers.
1590 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1591 check with SCALAR_FLOAT_MODE_P.
1592 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1594 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1596 PR tree-optimization/25985
1597 * tree-ssa-loop-niter.c (number_of_iterations_le,
1598 number_of_iterations_ne): Make comments more precise.
1599 (number_of_iterations_cond): Add only_exit argument. Use the
1600 fact that signed variables do not overflow only when only_exit
1602 (loop_only_exit_p): New.
1603 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1604 number_of_iterations_cond.
1606 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1608 PR tree-optimization/26643
1609 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1612 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1614 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1615 (divsi3_i4_int): Likewise.
1617 2006-03-28 Roger Sayle <roger@eyesopen.com>
1619 * expr.c (emit_group_store): Only create a new pseudo reg if the
1620 quantity it needs to hold isn't already a suitable pseudo.
1622 2006-03-28 Jeff Law <law@redhat.com>
1624 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1625 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1627 2006-03-28 Roger Sayle <roger@eyesopen.com>
1629 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1630 the equivalent ~X & Y, and the symmetry related transformations.
1631 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1632 ~X & Y, and symmetry related transforms.
1634 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1636 Revert my 2006-03-27 patches.
1638 2006-03-28 Roger Sayle <roger@eyesopen.com>
1640 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1641 ~(T1)X, when T1 and T2 are integer types of the same precision
1642 and (T2)X isn't an extension.
1644 2006-03-28 Jeff Law <law@redhat.com>
1646 PR tree-optimization/26796
1647 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1648 need EH edge cleanups rather than purging them immediately.
1649 (eliminate_degenerate_phis): Handle queued EH cleanups.
1651 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1653 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1656 2006-03-27 Roger Sayle <roger@eyesopen.com>
1659 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1660 cast BIT_NOT_EXPR operand to the correct type.
1662 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1664 * tree-loop-linear.c: Don't include varray.h.
1665 (gather_interchange_stats, try_interchange_loops,
1666 linear_transform_loops): Use VEC instead of VARRAY.
1667 * lambda-mat.c: Don't include varray.h.
1668 * tree-chrec.c: Same.
1669 * lambda-trans.c: Same.
1670 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1671 VEC instead of VARRAY.
1672 * tree-vectorizer.h: Idem.
1673 * tree-data-ref.c (dump_data_references,
1674 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1675 initialize_data_dependence_relation, finalize_ddr_dependent,
1676 compute_all_dependences, find_data_references_in_loop,
1677 compute_data_dependences_for_loop, analyze_all_data_dependences,
1678 free_dependence_relation, free_dependence_relations,
1679 free_data_refs): Idem.
1680 * tree-data-ref.h (data_reference_p, subscript_p): New.
1681 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1682 VEC instead of VARRAY.
1683 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1684 (find_data_references_in_loop, compute_data_dependences_for_loop,
1685 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1686 dump_data_dependence_relations, free_dependence_relations,
1687 free_data_refs): Adjust declaration.
1688 (lambda_transform_legal_p): Move declaration here...
1689 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1690 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1691 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1692 vect_analyze_data_refs): Use VEC instead of VARRAY.
1693 * lambda.h (lambda_transform_legal_p): ...from here.
1694 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1695 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1696 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1697 tree-chrec.o): Don't depend on VARRAY_H.
1699 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1701 * rtl.def (Copyright): Update date.
1702 (DEPS_LIST): Change type of the second operand to 'int'.
1703 * target.h (Copyright): Update date.
1704 (struct gcc_target.speculate_insn): Change type of the second parameter
1706 * lists.c (Copyright): Update date.
1707 (alloc_DEPS_LIST): Change signature. Update reference to the second
1708 operand of the DEPS_LIST.
1709 (copy_DEPS_LIST_list): Update reference to the second operand of the
1711 * rtl.h (Copyright): Update date.
1712 (alloc_DEPS_LIST): Update signature.
1713 * sched-int.h (Copyright): Update date.
1714 (ds_t): Change typedef to 'int'.
1715 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1717 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1719 * haifa-sched.c (Copyright): Update date.
1720 (try_ready): Change condition to restore non-speculative pattern
1722 (process_insn_depend_be_in_spec): Code to keep probability of the
1723 speculative dependence non-decreasing.
1725 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1727 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1728 shut up the compiler.
1730 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1732 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1733 to use lib prefix for target.
1734 ($(T)libic_invalidate_array_4-200.a): Likewise.
1735 ($(T)libic_invalidate_array_4a.a): Likewise.
1737 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1738 J"orn Rennecke <joern.rennecke@st.com>
1740 * superh.opt: New file.
1741 * sh.c (boardtype, osruntime): Remove.
1742 * superh.h (SUBTARGET_OPTIONS): Remove.
1743 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1745 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1746 arguments with ^ and/or [].
1748 * config.gcc (sh-*-*): Add quoting to account for quirk of
1750 Replace == with = in enable_incomplete_targets test.
1752 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1753 with MASK_LITTLE_ENDIAN.
1755 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1756 * config/sh/sh.opt: Added to some comments.
1757 * config/sh/superh.h: Removed some chaff.
1759 * config/sh/sh.opt: Add m4-[1234]00* options.
1760 * config/sh/sh.c (sh_handle_option): Likewise.
1761 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1762 (ic_invalidate_array_4-100.o): New rule.
1763 ($(T)libic_invalidate_array_4-100.a): Likewise.
1764 (ic_invalidate_array_4-200.o): Likewise.
1765 ($(T)libic_invalidate_array_4-200.a): Likewise.
1766 (ic_invalidate_array_4a.o): Likewise.
1767 ($(T)libic_invalidate_array_4a.a): Likewise.
1768 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1769 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1771 * config/sh/crt1.asm: Merged in profiling code.
1772 * config/sh/superh.h (STARTFILE_SPEC): Override.
1773 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1774 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1775 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1777 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1778 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1779 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1781 * sh.opt (mpretend-cmove): New option.
1782 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1783 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1784 (movsicc): Add TARGET_PRETEND_CMOVE code.
1786 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1788 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1789 s390_class_max_nregs): New function prototypes.
1790 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1791 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1792 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1793 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1795 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1797 * dwarf2out.c (add_location_or_const_value_attribute): Call
1798 tree_add_const_value_attribute if nothing else works.
1799 (reference_to_unused): New.
1800 (rtl_for_decl_init): Use reference_to_unused to decide whether
1801 to output an initializer.
1803 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1806 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1807 peephole removing spe frob_di_df_2.
1809 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1811 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1812 (subscript_dependence_tester_1): Declared.
1813 (print_dir_vectors, print_dist_vectors): New.
1814 (debug_data_dependence_relation): New.
1815 (dump_data_dependence_relation): Print more details.
1816 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1817 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1818 (save_dist_v, save_dir_v, add_outer_distances,
1819 build_classic_dist_vector_1): New.
1820 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1821 Don't test for lambda_vector_lexico_pos.
1822 (same_access_functions, add_multivariate_self_dist,
1823 add_other_self_distances, dir_from_dist): New.
1824 (build_classic_dir_vector): Replace implementation almost identical to
1825 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1827 (subscript_dependence_tester_1): New.
1828 (subscript_dependence_tester): Handle the lexicographically negative
1829 distance vectors by recomputing the dependence relation.
1830 (compute_affine_dependence): Remove parameter loop_nest_depth.
1831 (compute_self_dependence): Don't call compute_subscript_distance.
1832 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1833 Add a parameter for the loop_nest.
1834 (find_loop_nest_1, find_loop_nest): New.
1835 (compute_data_dependences_for_loop): Compute the loop nest, and give
1836 up if the nest is not well formed.
1837 * tree-data-ref.h (loop_p): New.
1838 (struct data_dependence_relation): Replace size_vect field with
1839 loop_nest, a vec of loops.
1840 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1841 (DDR_LOOP_NEST): New.
1842 (print_dir_vectors, print_dist_vectors,
1843 debug_data_dependence_relation): Declared.
1844 (index_in_loop_nest): New.
1845 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1846 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1849 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1851 * simplify-rtx.c (simplify_relational_operation): Call
1852 simplify_relational_operation_1 even if mode is VOIDmode.
1854 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1856 PR tree-optimization/26804
1857 * tree.h (DECL_CALL_CLOBBERED): New macro.
1858 (tree_decl_common): Add call_clobbered_flag.
1859 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1860 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1861 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1862 (mark_non_addressable): Ditto.
1863 * tree-ssa.c (verify_call_clobbered): New function.
1864 (verify_alias_info): Use it.
1865 * tree-pass.h (pass_reset_cc_flags): New prototype.
1866 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1867 (reset_cc_flags): New function.
1868 * passes.c (init_optimization_passes): Call reset_cc_flags after
1869 initializing referenced_vars.
1871 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1872 Roger Sayle <roger@eyesopen.com>
1875 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1876 to 1.0 for non-real operands. Implement A / A optimization for
1879 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1881 * config/i386/i386.c (size_cost): Correct the comment for
1882 cost of storing fp registers.
1883 (i386_cost): Likewise.
1884 (i486_cost): Likewise.
1885 (pentium_cost): Likewise.
1886 (pentiumpro_cost): Likewise.
1887 (k6_cost): Likewise.
1888 (athlon_cost): Likewise.
1889 (k8_cost): Likewise.
1890 (pentium4_cost): Likewise.
1891 (nocona_cost): Likewise.
1892 (generic64_cost): Likewise.
1893 (generic32_cost): Likewise.
1895 2006-03-24 Denis Chertykov <denisc@overta.ru>
1897 * config/avr/avr-protos.h (extra_constraint): Delete.
1898 (extra_constraint_Q): New declaration.
1899 * config/avr/constraints.md: New file.
1900 * config/avr/avr.md: Include it.
1901 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1902 (TMP_REGNO, ZERO_REGNO): Likewise.
1903 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1904 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1905 (extra_constraint): Delete.
1906 (extra_constraint_Q): Test for memory constraint 'Q'.
1907 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1908 (REG_CLASS_FROM_LETTER): Delete.
1909 (CONST_OK_FOR_LETTER_P): Delete.
1910 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1911 (EXTRA_CONSTRAINT): Delete.
1912 (TMP_REGNO): Delete.
1913 (ZERO_REGNO): Delete.
1915 2006-03-24 Jeff Law <law@redhat.com>
1917 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1918 directly. Call mark_new_vars_to_rename slightly earlier.
1920 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1922 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1924 (gen_compile_unit_die): Use new language types for Objective-C and
1926 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1927 DW_LANG_C_plus_plus.
1930 * config/t-darwin (crt3.o): Work around bug 26840.
1931 * config/darwin-crt3.c: Rewrite.
1932 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1934 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1936 * doc/invoke.texi: Document -femit-class-debug-always
1937 * common.opt: Add -femit-class-debug-always.
1939 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1941 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1942 index and base register.
1943 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1944 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1945 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1946 REGNO_OK_FOR_INDEX_P.
1947 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1949 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1950 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1951 REG_OK_FOR_BASE_P): Definitions removed.
1953 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1956 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1957 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1958 set yet or weren't marked as local yet.
1960 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1962 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1965 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1967 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1968 (rs6000_legitimate_small_data_p): Delete.
1969 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1970 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1971 and make static. Add forward declaration. Update uses.
1972 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1973 of offsettable_memref_p.
1974 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1975 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1977 2006-03-24 Jeff Law <law@redhat.com>
1979 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1980 around bug in immediate-use iterator.
1982 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1985 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1986 or __LITTLE_ENDIAN__.
1988 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1990 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1991 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1992 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1993 * config/sh/sh.opt (mdiv=): Amend description.
1994 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1995 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1996 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1997 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1998 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1999 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2000 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2001 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2002 TARGET_DIVIDE_CALL_FP.
2004 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2006 * haifa-sched.c (choose_ready): Fix type of the local variable.
2007 Move local variables. Add comment.
2008 (check_reg_live): Change signature. Make callable from debugger.
2009 * sched-int.h (check_reg_live): Update signature.
2010 * sched-ebb.c (check_reg_live): Update parameters.
2011 * sched-rgn.c (check_reg_live): Ditto.
2012 (region_head_or_leaf_p): Check pointer before dereferencing.
2013 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2014 before reload on optimization levels below 1.
2016 2006-03-23 Richard Henderson <rth@redhat.com>
2018 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2022 * config/alpha/predicates.md (local_symbolic_operand): Reject
2025 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2028 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2029 expressions which have overflowed constants.
2031 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2033 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2035 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2037 * cfgloopmanip.c (create_loop_notes): Removed.
2038 * final.c (final_scan_insn): Do not handle loop notes.
2039 * jump.c (squeeze_notes): Ditto.
2040 * cfglayout.c (skip_insns_after_block,
2041 duplicate_insn_chain): Ditto.
2042 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2044 * cfgloop.h (create_loop_notes): Declaration removed.
2046 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2048 * varasm.c (output_constant_pool): Restore fnname and fndecl
2050 (assemble_start_function): Adjust call accordingly.
2051 (assemble_end_function): Likewise.
2053 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2056 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2059 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2061 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2064 * system.h (ICE_EXIT_CODE): New macro.
2065 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2066 (diagnostic_action_after_output): Likewise.
2067 * gcc.c (fatal_ice): New function.
2068 (execute): Use it instead of fatal.
2069 (fancy_abort): Likewise.
2070 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2072 2006-03-22 Jeff Law <law@redhat.com>
2074 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2075 iv_analyze_result returning false.
2077 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2079 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2081 2006-03-22 Richard Henderson <rth@redhat.com>
2084 * except.c (duplicate_eh_regions_0): New.
2085 (duplicate_eh_region_1): Duplicate the children of the node as
2086 well as the node itself. Link them up properly.
2087 (duplicate_eh_region_2): Merge into ...
2088 (duplicate_eh_regions): ... here. Take copy_region argument, and
2089 copy only a sub-tree if asked. Simplify copying and fixup.
2090 (eh_region_outer_p): New.
2091 * except.h (duplicate_eh_regions): Update decl.
2092 (eh_region_outer_p): Declare.
2093 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2094 (lower_omp_master): Likewise.
2095 (lower_omp_ordered): Likewise.
2096 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2097 (move_stmt_r): Use it to remap labels. Handle recursion vs
2098 remap_decls_p properly.
2099 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2100 (find_outermost_region_in_block): New.
2101 (new_label_mapper): New.
2102 (move_sese_region_to_fn): Copy eh information to the new function
2104 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2106 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2109 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2111 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2112 into shared libraries.
2114 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2116 * doc/md.texi: Refer to i386/constraints.md instead of
2118 * config/i386/constraints.md: New file, extracted from...
2119 * config/i386/predicates.md: ...here.
2120 * config/i386/i386.md: Include constraints.md.
2122 2006-03-21 Jason Merrill <jason@redhat.com>
2124 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2127 * expr.c (init_block_move_fn): Force default visibility.
2128 (init_block_clear_fn): Likewise.
2129 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2130 * targhooks.c (default_external_stack_protect_fail): Likewise.
2132 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2134 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2135 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2136 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2137 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2138 (loadgp): Use mips_current_loadgp_style.
2139 (loadgp_noshared): New pattern.
2140 (sibcall_internal): Use MIPS_CALL.
2141 (sibcall_value_internal): Likewise.
2142 (sibcall_value_multiple_internal): Likewise.
2143 (call_internal): Likewise.
2144 (call_value_internal): Likewise.
2145 (call_value_multiple_internal): Likewise.
2146 (call_split): Use MIPS_CALL and add an 'S' constraint.
2147 (call_value_split): Likewise.
2148 (call_value_multiple_split): Likewise.
2149 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2150 (-mshared): New option.
2151 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2152 (mips_current_loadgp_style): Declare.
2153 * config/mips/mips.c (mips_classify_symbol): Avoid using
2154 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2155 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2156 TARGET_ABSOLUTE_ABICALLS.
2157 (override_options): Adjust comments. Improve the warning that is
2158 issued when -mabicalls and -G are used together.
2159 (mips_file_start): Remove comment.
2160 (mips_current_loadgp_style): New function.
2161 (mips_gnu_local_gp): New variable.
2162 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2164 (mips_output_function_prologue): Use mips_current_laodgp_style.
2165 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2166 the cprestore instruction.
2167 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2168 live for TARGET_ABSOLUTE_ABICALLS.
2169 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2170 (ASM_SPEC): Pass down -mshared and -mno-shared.
2171 (MIPS_CALL): New macro.
2172 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2174 * doc/invoke.texi (-mabicalls): Update documentation.
2175 (-mshared): Document.
2177 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2179 * config/ia64/unwind-hpux.c: New file.
2180 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2182 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2185 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2187 2006-03-21 Jeff Law <law@redhat.com>
2189 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2190 type conversions of a VR_VARYING source to a wider type.
2192 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2194 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2195 tm_file on Solaris 10 and later.
2196 (sparc64-*-solaris2*): Likewise.
2197 (sparc-*-solaris2*): Likewise.
2198 * config/sol26.h: Rename to config/sol2-6.h.
2199 * config/sol2-10.h: New file.
2201 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2204 * tree-ssa-pre.c (create_component_ref_by_pieces):
2207 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2210 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2211 return it immediately.
2213 2006-03-21 Michael Matz <matz@suse.de>
2215 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2217 (remove_arc, add_arc): Update num_out_arcs member.
2218 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2220 (cache_presence): New function.
2221 (compare_states_for_equiv): New function.
2222 (state_is_differed): Don't take number of outargs, adjust callers.
2223 Use new invariant for speeding up.
2224 (init_equiv_class): Create initial classes based on sorted
2226 (partition_equiv_class): Don't track out_arcs_num.
2227 (evaluate_equiv_classes): Call cache_presence on all states and
2230 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2232 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2233 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2234 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2235 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2237 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2238 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2239 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2240 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2241 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2243 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2244 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2245 (REGNO_REG_CLASS): ARGP is in PREGS.
2246 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2248 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2249 to deal with those addresses.
2250 * addresses.h: New file.
2251 * caller-save.c: Include "addresses.h".
2252 (init_caller_save): Use new base_reg_class function.
2253 * rtl-factoring.c: Include "addresses.h".
2254 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2255 * recog.c: Include "addresses.h".
2256 (preprocess_constraints): Use new base_reg_class function.
2257 * regrename.c: Include "addresses.h".
2258 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2259 functions. Keep track of a new var INDEX_CODE to compute valid
2261 (replace_oldest_value_addr): Likewise.
2262 (replace_oldest_value_mem): Use base_reg_class.
2263 * reload.c: Include "addresses.h".
2264 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2265 (find_reloads): Use new base_reg_class function.
2266 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2267 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2268 all callers and prototype changed.
2269 * reload1.c: Include "addresses.h".
2270 (maybe_fix_stack_asms): Use base_reg_class.
2271 * regclass.c: Include "addresses.h".
2272 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2273 (init_reg_autoinc): Use new base_reg_class function.
2274 (record_reg_classes): Likewise.
2275 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2276 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2277 Use new args to compute necessary class.
2279 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2280 regrename.o, rtl-factoring.o): Update dependencies.
2281 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2282 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2283 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2284 REG_OK_FOR_INDEX_P): Delete documentation.
2286 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2288 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2289 from V7 to V9 for Solaris 7 and above.
2291 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2293 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2294 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2295 argument pointers may not alias any other storage.
2296 * common.opt: Define option -fargument-noalias-anything.
2297 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2298 alias semantics is specified by flag_argument_noalias > 2.
2300 2006-03-20 Jeff Law <law@redhat.com>
2302 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2303 (pass_phi_only_cprop): Declare.
2304 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2306 * tree-ssa-dom.c (degenerate_phi_result): New function.
2307 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2308 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2309 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2310 (eliminate_degenerate_phis): Likewise.
2311 (pass_phi_only_cprop): New pass descriptor.
2312 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2313 support code. Callers updated.
2314 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2315 (store_copy_prop): Likewise.
2316 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2318 2006-03-20 Jason Merrill <jason@redhat.com>
2321 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2322 (push_visibility, pop_visibility): Likewise.
2323 * c-pragma.h: Declare them.
2325 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2327 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2329 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2330 parameter and use get_ebb_head_tail.
2331 (sh_md_init_global): Adjust uses of find_regmode_weight.
2333 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2335 * function.h (struct function) <x_tail_recursion_reentry>:
2336 Rename to x_stack_check_probe_note.
2337 (tail_recursion_reentry): Rename to stack_check_probe_note.
2338 * function.c: Replace tail_recursion_reentry with
2339 stack_check_probe_note everywhere.
2340 (expand_function_start): Only emit a note for
2341 stack_check_probe_note with -fstack-protect.
2342 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2344 * emit-rtl.c (remove_unnecessary_notes): Remove.
2345 (pass_remove_unnecessary_notes): Remove.
2346 * rtl.h (remove_unnecessary_notes): Remove prototype.
2347 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2348 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2349 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2351 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2354 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2355 (valid_in_set): Handle ARRAY_REF.
2356 Change "if min_variant or VH" to asserts.
2357 (create_component_ref_by_pieces): Handle ARRAY_REF.
2358 (create_expression_by_pieces): Likewise.
2359 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2361 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2363 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2364 is operand of switch, not str[0].
2366 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2368 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2369 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2371 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2373 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2374 end of insn_extra_address_constraint declaration.
2376 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2378 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2379 (no-sum-in-toc): Same.
2380 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2382 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2383 NO_FP_IN_TOC for -fPIC instead of mask.
2385 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2386 (BOOT_LDFLAGS): Delete.
2388 * config/rs6000/t-aix52: Same.
2390 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2391 (stmsi[345678]_power): New.
2393 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2395 * config/ia64/ia64.opt: Add empty line to end of file.
2397 2006-03-17 Richard Guenther <rguenther@suse.de>
2400 * builtins.c (get_pointer_alignment): For component style references
2401 adjust alignment to the component type alignment. Make sure
2402 to adjust alignment for component access of constants.
2404 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2406 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2409 2006-03-17 Paul Brook <paul@codesourcery.com>
2411 * doc/install.texi: Docuemnt --with-mode.
2412 * config.gcc: Add --with-mode for arm*-*-*.
2413 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2415 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2417 * sh.c (max_labelno_before_reorg): New variable.
2418 (sh_reorg): Initialize it.
2419 (find_barrier): Check max_labelno_before_reorg before using
2420 label_to_alignment. Take length of explicit alignment insns
2421 into account. When seeing a UNSPECV_CONST_END, return it.
2423 * sh.c (fixup_mova): Set mode of affected label to QImode.
2424 (untangle_mova): New function.
2425 (find_barrier): Use it. Check mode of label before decrementing
2427 (sh_reorg): Likewise.
2428 Set mode of all insns back to VOIDmode.
2430 * sh.c (MOVA_LABELREF): New macro.
2431 (mova_p, fixup_mova, sh_reorg): Use it.
2432 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2433 ADDR_DIFF_VEC matches mova.
2435 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2437 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2438 with ATTRIBUTE_UNUSED.
2440 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2442 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2443 pointer, instead of assuming it is possible to derive the
2444 correct args size from a call insn.
2446 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2448 * rtl.h (CONST_INT_P): Define.
2449 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2450 instead of GET_CODE(x) == CONST_INT.
2451 (vax_rtx_costs): Likewise.
2452 (vax_output_int_move): Likewise.
2453 (vax_output_int_add): Likewise.
2454 (legitimate_constant_address_p): Likewise.
2455 (index_term_p): Likewise.
2456 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2457 * config/vax/vax.md (and<mode>3): Likewise.
2458 (ashrsi3): Likewise.
2460 (movstricthi): Likewise.
2461 (movstrictqi): Likewise.
2462 (rotrsi3): Likewise.
2463 (five unnamed insns): Likewise.
2465 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2467 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2468 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2469 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2470 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2471 Pass to ASM_OUTPUT_DWARF_OFFSET.
2472 * dwarf2out.c (debug_frame_section): New.
2473 (output_call_frame_info): Use debug_frame_section. Pass it to
2474 dw2_asm_output_offset.
2475 (output_die): Pass appropriate section to dw2_asm_output_offset.
2476 (output_compilation_unit_header): Likewise.
2477 (output_pubnames): Likewise.
2478 (output_aranges): Likewise.
2479 (enum dw_val_class): Break dw_val_class_lbl_offset into
2480 dw_val_class_lineptr and dw_val_class_macptr.
2481 (add_AT_lbl_offset): Delete.
2482 (add_AT_lineptr): New.
2483 (add_AT_macptr): New.
2484 (AT_lbl): Expect a lineptr or macptr.
2485 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2486 (attr_checksum): Likewise.
2487 (same_dw_val_p): Likewise.
2488 (size_of_die): Likewise.
2489 (value_format): Likewise.
2490 (output_die): Likewise.
2491 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2493 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2494 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2495 * config/darwin-protos.h (darwin_file_start): New.
2496 (darwin_asm_output_dwarf_offset): New.
2497 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2498 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2500 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2501 if not EH section; simplify.
2502 (darwin_file_start): New.
2503 (darwin_asm_output_dwarf_offset): New.
2504 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2506 (DEBUG_INFO_SECTION): Likewise.
2507 (DEBUG_ABBREV_SECTION): Likewise.
2508 (DEBUG_ARANGES_SECTION): Likewise.
2509 (DEBUG_MACINFO_SECTION): Likewise.
2510 (DEBUG_LINE_SECTION): Likewise.
2511 (DEBUG_LOC_SECTION): Likewise.
2512 (DEBUG_PUBNAMES_SECTION): Likewise.
2513 (DEBUG_STR_SECTION): Likewise.
2514 (DEBUG_RANGES_SECTION): Likewise.
2515 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2516 (ASM_OUTPUT_DWARF_OFFSET): New.
2518 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2520 * config.gcc (tm_defines): Always add to previous value rather
2523 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2525 * config/mips/predicates.md (splittable_const_int_operand): New,
2526 split from move_operand.
2527 (splittable_symbolic_operand): New.
2528 (move_operand): Add commentary. Use splittable_const_int_operand.
2529 Inline mips_atomic_symbolic_constant_p.
2530 * config/mips/mips.md: Add combine splitters for handling moves
2531 of splittable_const_int_operands and splittable_symbolic_operands.
2532 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2533 (mips_split_symbol): Declare.
2534 (mips_move_integer): Declare.
2535 * config/mips/mips.c (mips_split_p): Make global.
2536 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2537 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2538 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2539 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2540 (mips_offset_within_object_p): Handle block symbols.
2541 (mips_atomic_symbolic_constant_p): Delete.
2542 (mips_cannot_force_const_mem): Return false for constants that
2543 mips_legitimize_move can handle.
2544 (mips_use_blocks_for_constant_p): New function.
2545 (mips_split_symbol): Make global.
2546 (mips_move_integer): Likewise. Add a temporary register argument.
2547 (mips_legitimize_const_move): Use splittable_const_int_operand and
2548 splittable_symbolic_operand.
2549 (mips_use_anchors_for_symbol_p): New function.
2550 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2551 (mips_split_p): Declare.
2553 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2555 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2556 (mips*-*-linux*): Likewise.
2558 2006-03-16 Roger Sayle <roger@eyesopen.com>
2559 Daniel Speyer <dspeyer@wam.umd.edu>
2562 * tree-dump.c (dump_real): New function.
2563 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2564 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2565 (tree-dump.o): Add $(REAL_H) to the dependencies.
2567 2006-03-16 Roger Sayle <roger@eyesopen.com>
2570 * real.c (real_from_string): If the mantissa is zero, don't bother
2571 parsing the exponent as the result should always be zero.
2573 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2575 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2577 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2579 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2580 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2581 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2582 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2583 ia64_sched_finish_global): New static functions to implement
2584 hooks from gcc_target.sched.
2585 (spec_check_no, max_uid, pending_data_specs): New static variables.
2586 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2587 ia64_spec_check_src_p): New static functions.
2588 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2589 (TARGET_SCHED_ADJUST_COST): Removed.
2590 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2591 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2592 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2593 TARGET_SCHED_GEN_CHECK,
2594 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2595 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2596 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2597 Fixed to handle speculation checks.
2598 (rtx_needs_barrier): Fixed to handle speculative loads and
2600 (ia64_variable_issue): Added code to count speculative loads and their
2602 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2604 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2606 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2608 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2609 (ia64_reorg): Reset stops_p to NULL after it is freed.
2610 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2611 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2612 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2614 (data_speculative, control_speculative, check_load): New attributes.
2615 (mov<mode>_advanced, mov<mode>_speculative,
2616 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2617 zero_extend<mode>di2_speculative,
2618 zero_extend<mode>di2_speculative_advanced): New patterns for
2619 data and control speculative loads.
2620 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2622 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2623 New pattern for data and control speculation checks.
2624 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2625 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2626 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2627 Auxiliary definitions for the patterns.
2628 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2629 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2631 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2633 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2634 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2635 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2636 New resource constraints.
2637 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2639 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2640 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2641 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2642 msched-in-control-spec, msched-ldc, msched-control-ldc,
2643 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2644 msched-prefer-non-control-spec-insns,
2645 msched-count-spec-in-critical-path): New flags to tune speculative
2647 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2648 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2649 msched-in-control-spec, msched-ldc, msched-control-ldc,
2650 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2651 msched-prefer-non-control-spec-insns,
2652 msched-count-spec-in-critical-path): Document new flags.
2654 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2656 * target.h (struct spec_info_def): New opaque declaration.
2657 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2658 speculate_insn, needs_block_p, gen_check,
2659 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2660 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2661 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2662 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2663 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2664 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2666 (TARGET_SCHED): Use new macros.
2667 * rtl.h (copy_DEPS_LIST_list): New prototype.
2668 * sched-int.h (struct sched_info): Change signature of new_ready field,
2669 adjust all initializations. New fields: add_remove_insn,
2670 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2671 region_head_or_leaf_p.
2672 (struct spec_info_def): New structure declaration.
2673 (spec_info_t): New typedef.
2674 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2675 recovery_block, orig_pat.
2676 (glat_start, glat_end): New variables declaraions.
2677 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2679 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2680 DETACH_LIFE_INFO, USE_GLAT.
2681 (enum SPEC_SCHED_FLAGS): New enumeration.
2682 (NOTE_NOTE_BB_P): New macro.
2683 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2684 attach_life_info, debug_spec_status, check_reg_live): New functions.
2685 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2686 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2688 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2689 * ddg.c (get_block_head_tail): Adjust all uses.
2690 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2691 (sms_sched_info): Initialize new fields.
2692 (contributes_to_priority): Removed.
2693 * haifa-sched.c (params.h): New include.
2694 (get_block_head_tail): Adjust all uses.
2695 (ISSUE_POINTS): New macro.
2696 (glat_start, glat_end): New global variables.
2697 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2698 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2699 old_last_basic_block, before_recovery, current_sched_info_var,
2700 rgn_n_insns, luid): New static variables.
2701 (insn_cost1): New function. Move logic from insn_cost to here.
2702 (find_insn_reg_weight1): New function. Move logic from
2703 find_insn_reg_weight to here.
2704 (reemit_notes, move_insn, max_issue): Change signature.
2705 (move_insn1): Removed.
2706 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2707 extend_bb): New static functions to support extension of scheduler's
2709 (generate_recovery_code, process_insn_depend_be_in_spec,
2710 begin_speculative_block, add_to_speculative_block,
2711 init_before_recovery, create_recovery_block, create_check_block_twin,
2712 fix_recovery_deps): New static functions to support
2713 generation of recovery code.
2714 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2715 restore_bb_notes, move_block_after_check, move_succs): New static
2716 functions to support ebb scheduling.
2717 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2718 functions to support handling of register live information.
2719 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2720 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2721 add_jump_dependencies): New static functions.
2722 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2723 consistancy checking.
2724 (debug_spec_status): New function to call from debugger.
2725 (priority): Added code to handle speculation checks.
2726 (rank_for_schedule): Added code to distinguish speculative instructions.
2727 (schedule_insn): Added code to handle speculation checks.
2728 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2729 Fixed to handle ebbs.
2730 (move_insn): Added code to handle ebb scheduling.
2731 (max_issue): Added code to use ISSUE_POINTS of instructions.
2732 (choose_ready): Added code to choose between speculative and
2733 non-speculative instructions.
2734 (schedule_block): Added code to handle ebb scheduling and scheduling of
2735 speculative instructions.
2736 (sched_init): Initialize new variables.
2737 (sched_finish): Free new variables. Print statistics.
2738 (try_ready): Added code to handle speculative instructions.
2739 * lists.c (copy_DEPS_LIST_list): New function.
2740 * sched-deps.c (extend_dependency_caches): New function. Move logic
2741 from create_dependency_caches to here.
2742 (get_dep_weak, ds_merge): Make global.
2743 * genattr.c (main): Code to output prototype for
2744 dfa_clear_single_insn_cache.
2745 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2746 (output_dfa_clean_insn_cache_func): Code to output
2747 dfa_clear_single_insn_cache function.
2748 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2750 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2752 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2753 New static variables.
2754 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2755 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2757 (ebb_sched_info): Initialize new fields.
2758 (get_block_head_tail): Adjust all uses.
2759 (compute_jump_reg_dependencies): Fixed to use glat_start.
2760 (schedule_ebb): Code to remove unreachable last block.
2761 (schedule_ebbs): Added code to update register live information.
2762 * sched-rgn.c (region_sched_info): Initialize new fields.
2763 (get_block_head_tail): Adjust all uses.
2764 (last_was_jump): Removed. Adjust users.
2765 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2766 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2767 Implement new hooks.
2768 (check_dead_notes1): New static function.
2769 (struct region): New fields: dont_calc_deps, has_real_ebb.
2770 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2771 (BB_TO_BLOCK): Fixed to handle EBBs.
2772 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2773 (ebb_head): New static variable.
2774 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2775 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2777 (compute_dom_prob_ps): New assertion.
2778 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2779 global_live_at_start.
2780 (init_ready_list): New assertions.
2781 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2782 (new_ready): Add support for BEGIN_CONTROL speculation.
2783 (schedule_insns): Fixed code that updates register live information
2785 (schedule_region): Fixed to handle EBBs.
2786 (init_regions): Use extend_regions and check_dead_notes1.
2787 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2788 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2789 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2790 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2791 TARGET_SCHED_GEN_CHECK,
2792 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2793 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2794 * doc/invoke.texi (max-sched-insn-conflict-delay,
2795 sched-spec-prob-cutoff): Document.
2797 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2799 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2800 inter_tick, queue_index.
2801 (struct sched_info): Change signature of init_ready_list field.
2802 Adjust all initializations.
2803 (RESOLVED_DEPS): New access macro.
2804 (ready_add): Remove prototype.
2805 (try_ready): Add prototype.
2806 * sched-rgn.c (init_ready_list): Use try_ready.
2807 (schedule_region): Initialize
2808 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2809 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2810 (init_ready_list): Use try_ready.
2811 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2812 * lists.c (remove_list_elem): Remove `static'.
2813 (remove_free_INSN_LIST_elem): New function.
2814 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2815 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2816 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2818 (readyp): New variable.
2819 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2820 change_queue_index, resolve_dep): New static functions.
2821 (try_ready): New function. Adjust callers in sched-rgn.c and
2822 sched-ebb.c to use it instead of ready_add.
2823 (clock_var): Move at the begining of file.
2824 (rank_for_schedule): Fix typo.
2825 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2826 (ready_lastpos): Enforce assertion.
2827 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2829 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2830 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2831 (queue_to_ready): Use free_INSN_LIST_list.
2832 (early_queue_to_ready): Fix typo.
2833 (schedule_block): Init readyp. Move init_ready_list call after the
2834 initialization of clock_var. Fix error in rejecting insn by
2835 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2836 that previously corrected INSN_TICKs. Add code for handling
2838 (set_priorities): Fix typo.
2839 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2840 Clarify comment and code that keeps current_sched_info->next_tail
2843 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2845 * sched-rgn.c (extend_rgns): New static function.
2846 (find_rgns): Use it.
2847 (gather_region_statistics, print_region_statistics): New static
2849 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2850 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2852 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2853 Andrey Belevantsev <abel@ispras.ru>
2855 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2856 * lists.c (unused_deps_list): New variable.
2857 (free_list): Add assertions to verify the proper distinguishing
2858 between INSN_LISTs and DEPS_LISTs.
2859 (find_list_elem, remove_list_elem, remove_list_node): New static
2861 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2862 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2863 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2864 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2866 (free_INSN_LIST_node): Likewise.
2867 * modulo-sched.c (current_sched_info): Initialize flags field.
2868 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2869 * rtl.def (DEPS_LIST): Define.
2870 * rtl.h: Declare new functions from lists.c.
2871 * sched-deps.c (spec_dependency_cache): New static variable.
2872 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2873 (add_dependence): Change return type to void. Move the logic to ...
2874 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2875 (delete_all_dependences): Add comment about forward_dependency_cache.
2876 Handle spec_dependency_cache. Handle DEPS_LISTs.
2877 (fixup_sched_groups): Clarify the change of priority of output
2878 and anti dependencies.
2879 (sched_analyze_2): Adjust add_dependence calls to create data
2880 speculative dependence.
2881 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2882 Adjust all callers. Handle DEPS_LISTS.
2883 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2884 presence of speculation.
2885 (init_dependency_caches, free_dependency_caches):
2886 Handle spec_dependency_cache.
2887 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2888 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2889 New static functions.
2890 (add_or_update_back_dep, add_or_update_back_forw_dep,
2891 add_back_forw_dep, delete_back_forw_dep): New functions.
2892 * sched-int.h (ds_t, dw_t): New typedefs.
2893 (struct sched_info): Add new field flags.
2894 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2895 Prototype new sched-deps.c functions.
2896 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2897 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2898 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2899 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2900 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2901 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2903 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2905 * sched-rgn.c (current_sched_info): Initialize flags field.
2906 (schedule_insns): Initialize current_sched_info before the sched_init
2908 * sched-ebb.c (current_sched_info): Initialize flags field.
2909 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2910 Call add_or_update_back_dep instead of add_dependence.
2911 Create control speculative dependencies.
2912 (schedule_insns): Initialize current_sched_info before the sched_init
2915 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2917 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2919 (sh_fallback_frame_state): Likewise.
2921 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2923 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2924 Do switch on default_use_cxa_atexit.
2925 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2926 * config/darwin-crt3.o: New.
2927 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2928 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2929 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2931 * config/rs6000/t-darwin: Move crt2.o building to here.
2932 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2933 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2936 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2938 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2939 from '! xxx' to '!xxx' for coding-style conformance.
2940 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2941 (EXTRA_CONSTRAINT): Likewise.
2942 * config/vax/vax.md (four unnamed insns): Likewise.
2944 2006-03-15 Paul Brook <paul@codesourcery.com>
2946 * config/arm/arm.c (minipool_pad): New.
2947 (add_minipool_forward_ref): Include pool alignment padding in address
2949 (push_minipool_fix): Set minipool_pad.
2950 (minipool_pad): Ditto.
2952 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2954 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2955 instead of GET_CODE() == MEM and REG_P() instead of
2957 (print_operand_address): Likewise.
2958 (vax_address_cost): Likewise.
2959 (vax_rtx_costs): Likewise.
2960 (vax_notice_update_cc): Likewise.
2961 (vax_output_int_add): Likewise.
2962 (INDEX_REGISTER_P): Likewise.
2963 (BASE_REGISTER_P): Likewise.
2964 (nonindexed_address_p): Likewise.
2965 (vax_mode_dependent_address_p): Likewise.
2966 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2967 (PRINT_OPERAND): Likewise.
2968 * config/vax/vax.md (ashlsi3): Likewise.
2969 (ashlsi3): Likewise.
2970 (some more unnamed insns): Likewise.
2972 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2974 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2975 iterator-style macro.
2976 (mark_control_dependent_edges_necessary): Update the use of
2977 EXECUTE_IF_CONTROL_DEPENDENT.
2979 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2981 * config/sh/predicates.md (cache_address_operand): Special.
2982 (ua_address_operand): Likewise.
2984 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2986 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2988 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2990 2006-03-15 Andreas Schwab <schwab@suse.de>
2992 * gensupport.c (identify_predicable_attribute): Don't free p_false
2993 when it is still in use.
2995 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2997 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2998 the default setting here.
3000 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3002 * tree-pass.h (pass_cfg): Remove.
3003 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3004 * passes.c (pass_cfg): Don't run it.
3006 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3008 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3009 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3011 (stack_regs_mentioned): Update the uses of
3012 stack_regs_mentioned_data. Don't access the array beyond its
3014 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3015 Don't include gt-reg-stack.h.
3017 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3018 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3020 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3023 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3026 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3028 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3030 2006-03-14 Richard Guenther <rguenther@suse.de>
3032 PR tree-optimization/26672
3033 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3036 2006-03-14 Richard Guenther <rguenther@suse.de>
3038 PR tree-optimization/26667
3039 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3040 node for the callees. Always allow inlining if it will shrink
3043 2006-03-14 Richard Guenther <rguenther@suse.de>
3046 * builtins.c (get_pointer_alignment): Prefer alignment
3047 information from decls over that from types.
3049 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3052 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3054 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3056 * config/rs6000/rs6000.opt (mdlmzb): New option.
3057 (msched-prolog, msched-epilog): Use Var not Mask.
3058 * doc/invoke.texi (-mdlmzb): Document.
3059 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3061 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3062 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3064 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3066 PR rtl-optimization/25739
3067 * bt-load.c (augment_live_range): Free tos pointer.
3069 * gensupport.c (identify_predicable_attribute): Free
3071 * gcov.c (create_file_names): Free name pointer.
3073 2006-03-13 Roger Sayle <roger@eyesopen.com>
3076 * stmt.c (emit_case_nodes): Handle the case where the index is a
3077 CONST_INT, where the comparison mode is specified by the index type.
3079 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3081 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3084 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3086 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3087 (*branch_fp_inverted): Likewise.
3089 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3092 * omp-low.c (expand_omp_for_generic): Mark istart0
3093 and iend0 as addressable.
3095 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3097 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3099 2006-03-13 Jeff Law <law@redhat.com>
3101 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3102 virtual operands are interesting.
3103 (vrp_visit_stmt): Corresponding changes.
3105 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3107 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3109 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3110 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3111 * config/bfin/crti.S: Use it instead of __PIC__.
3112 * config/bfin/crtn.S: Likewise.
3114 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3115 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3117 Lose 'G' modifier for call operand.
3118 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3119 recognize 'G' modifier.
3121 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3124 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3125 * stmt.c (expand_case): Likewise.
3127 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3129 PR rtl-optimization/26254
3130 * loop-invariant.c (seq_insns_valid_p): New function.
3131 (move_invariant_reg): Only emit new code if it is valid.
3133 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3135 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3137 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3138 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3139 (commit_one_edge_insertion): Do not look for loop notes.
3141 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3143 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3144 flag_test_coverage out of loop.
3146 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3148 * final.c (shorten_branches): Remove outdated comment, and turn
3149 the if branch that guards it to continue.
3151 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3153 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3154 * cfgloop.h (struct loop): Remove unused fields.
3156 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3158 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3159 (-dL, -fdump-rtl-loop2): Update the dump file names
3161 * doc/invoke.texi: Update dump file names.
3163 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3165 * predict.c (estimate_probability): Remove.
3166 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3167 * basic-block.h (estimate_probability): Remove prototype.
3168 * passes.c (finish_optimization_passes): Dump branch prediction or
3169 profiling heuristics to the .profile tree dump.
3170 (init_optimization_passes): Unqueue pass_branch_prob.
3172 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3174 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3176 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3177 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3179 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3181 * function.h (frame_offset_overflow): Declare.
3182 * function.c (frame_offset_overflow): New function.
3183 (assign_stack_local_1): Call it to detect that the offset overflows.
3184 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3186 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3188 * config/sh/sh.c: Include alloc-pool.h.
3189 (label_ref_list_pool): New alloc pool.
3190 (label_ref_list_t): New type for lists of labels.
3191 (struct pool_node): Make wend a label_ref_list_t.
3192 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3194 (dump_table): Likewise.
3195 (sh_reorg): Set up the alloc pool before using add_constant and
3196 dump_table, and destroy it when finishing.
3198 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3200 * config/mips/mips.c: Remove redundant comment.
3202 2006-03-10 Jason Merrill <jason@redhat.com>
3205 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3206 the target was declared 'register'.
3208 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3210 * genpreds.c (write_insn_constraint_len): Change definition of
3211 insn_constraint_len to return size_t to match the declaration.
3213 2006-03-10 DJ Delorie <dj@redhat.com>
3215 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3217 (m32c_expand_insv): Fix test for an AND mask.
3219 2006-03-10 Richard Guenther <rguenther@suse.de>
3222 * builtins.c (get_pointer_alignment): Handle component
3223 references for field alignment.
3225 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3227 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3228 when building with libgloss.
3229 (sh*elf): Implement --without-fp option.
3230 (sh64-superh-linux*): Don't multilib.
3232 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3234 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3236 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3238 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3239 Set it when one of the replacement functions returned true.
3240 Return TODO_cleanup_cfg if cfgchanged is true.
3241 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3243 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3245 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3246 instead of gen_lowpart.
3248 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3250 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3252 (mips_output_order_conditional_branch): Declare.
3253 * config/mips/mips.h (MIPS_BRANCH): New macro.
3254 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3255 for the comparison. Use gen_condjump.
3256 (mips_output_conditional_branch): Rework interface to take the
3257 asm templates for a direct branch and the inverse of a direct branch.
3258 (mips_output_order_conditional_branch): New function.
3259 (mips_builtin_branch_and_move): New function.
3260 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3261 branch condition. Use gen_single_cc as the condition for
3262 __builtin_mips_upper_* or __builtin_mips_lower_*.
3263 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3264 Use VOIDmode for the branch condition.
3265 * config/mips/predicates.md (order_operator): New predicate.
3266 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3267 (branch_fp): Rename to...
3268 (*branch_fp): ...this. Remove mode from comparison operator.
3269 Use new mips_output_conditional_branch interface.
3270 (branch_fp_inverted): Rename to...
3271 (*branch_fp_inverted): ...this and update as for *branch_fp.
3272 (*branch_zero<mode>): Rename to...
3273 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3274 Use mips_output_order_conditional_branch. Only accept ordered
3276 (*branch_zero<mode>_inverted): Rename to...
3277 (*branch_order<mode>_inverted): ...this and update as for
3278 *branch_order<mode>.
3279 (*branch_equality<mode>): Accept zero as the second operand to
3280 the equality operator. Use the new mips_output_conditional_branch
3282 (*branch_equality<mode>_inverted): Likewise.
3283 (condjump): New expander.
3284 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3286 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3287 (bc1any2t, bc1any2f): Likewise.
3288 (single_cc): New expander.
3289 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3291 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3293 * doc/md.texi: Update documentation of MIPS constraints.
3294 * config/mips/constraints.md: New file.
3295 * config/mips/mips.md: Include it.
3296 * config/mips/mips.c (mips_char_to_class): Delete.
3297 (override_options): Don't initialize mips_char_to_class.
3298 * config/mips/mips.h (mips_char_to_class): Delete.
3299 (REG_CLASS_FROM_LETTER): Delete.
3300 (CONST_OK_FOR_LETTER_P): Delete.
3301 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3302 (EXTRA_CONSTRAINT_Y): Delete.
3303 (EXTRA_CONSTRAINT_STR): Delete.
3304 (CONSTRAINT_LEN): Delete.
3305 (EXTRA_MEMORY_CONSTRAINT): Delete.
3307 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3309 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3310 original fn's eh regions.
3312 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3314 * fold-const.c (build_range_check): Make sure to use a valid type to
3315 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3318 (range_predecessor): New static function.
3319 (range_successor): Likewise.
3320 (merge_ranges): Use them to compute predecessors and successors of
3323 2006-03-09 Roger Sayle <roger@eyesopen.com>
3326 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3327 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3329 2006-03-08 DJ Delorie <dj@redhat.com>
3331 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3332 (addpsi3): Expand to include memory operands. Remove
3333 reload-specific splits.
3334 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3335 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3336 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3337 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3338 (shift1_qi, shift1_hi, insv): New.
3339 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3340 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3341 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3343 * config/m32c/m32c-protos.h: Update as needed.
3344 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3345 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3346 Fail for unrecognized R* constraints.
3347 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3348 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3349 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3351 (m32c_init_libfuncs): New.
3352 (m32c_legitimate_address_p): Add debug wrapper.
3353 (m32c_rtx_costs): New.
3354 (m32c_address_cost): New.
3355 (conversions): Add 'B' prefix.
3356 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3357 operands, or word regnames for QI operands. 'B' prints bit
3359 (m32c_expand_setmemhi): New.
3360 (m32c_expand_movmemhi): New.
3361 (m32c_expand_movstr): New.
3362 (m32c_expand_cmpstr): New.
3363 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3364 (m32c_expand_neg_mulpsi3): Handle non-ints.
3365 (m32c_cmp_flg_0): New.
3366 (m32c_expand_movcc): New.
3367 (m32c_expand_insv): New.
3368 (m32c_scc_pattern): New.
3369 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3370 a0/a1 out of SIregs.
3371 (STORE_FLAG_VALUE): New.
3372 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3375 * config/m32c/mov.md: Make constraints more liberal.
3376 (zero_extendqihi2): Optimize r0/r1 case.
3377 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3378 * config/m32c/predicates.md (m32c_any_operand): New.
3379 (m32c_nonimmediate_operand): New.
3380 (m32c_hl_operand): New.
3381 (m32c_r3_operand): New.
3384 (memsym_operand): New.
3385 (memimmed_operand): New.
3386 (a_qi_operand): New.
3387 (m32c_eqne_operator): New.
3388 (m32c_1bit8_operand): New.
3389 (m32c_1bit16_operand): New.
3390 (m32c_1mask8_operand): New.
3391 (m32c_1mask16_operand): New.
3392 * config/m32c/blkmov.md: New file.
3393 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3395 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3397 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3398 unsigned to fix signed/unsigned comparison issue in
3399 DWARF2_FRAME_REG_OUT.
3400 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3401 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3403 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3404 of ptr into the ENABLE_CHECKING section.
3406 2006-03-08 Jeff Law <law@redhat.com>
3408 * tree-vrp.c (infer_value_range): Only count pointer uses
3409 and dereferences if -fdelete-null-pointer-checks is enabled.
3411 * tree-vrp.c (find_assert_locations): Infer value ranges for
3412 single use pointers, but do not create ASSERT_EXPRs for them.
3413 When a non-null range is inferred for a pointer, backwards
3414 propagate that range to other equivalent pointers through the
3417 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3420 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3421 language hook targets.
3422 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3423 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3424 if language hook targets were missing.
3426 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3428 * tree-ssa-opfinalize.h: Removed.
3429 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3431 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3432 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3433 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3434 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3435 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3436 finalize_ssa_v_must_def_ops): New.
3438 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3440 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3443 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3445 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3447 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3448 addresses with offsets; reorganize.
3450 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3451 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3452 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3454 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3457 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3459 2006-03-08 Ben Elliston <bje@au.ibm.com>
3461 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3463 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3466 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3469 2006-03-07 Richard Guenther <rguenther@suse.de>
3471 PR tree-optimization/26587
3472 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3474 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3476 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3478 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3480 * hooks.c (hook_bool_mode_rtx_true): New function.
3481 * hooks.h (hook_bool_mode_rtx_true): Declare.
3482 * toplev.c (compile_file): Call output_shared_constant_pool.
3483 * varasm.c (shared_constant_pool): New variable.
3484 (assemble_start_function, assemble_end_function): Remove arguments
3485 from call to output_constant_pool.
3486 (create_constant_pool): New function, split out from...
3487 (init_varasm_status): ...here.
3488 (force_const_mem): Choose between the shared and per-function constant
3489 pools. Set current_function_uses_const_pool when reusing old entries
3490 as well as when creating new ones.
3491 (mark_constant): Ignore data argument.
3492 (mark_constants): Remove pool argument.
3493 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3494 to decide whether the function uses a constant pool.
3495 (output_constant_pool_contents): New function, split out from...
3496 (output_constant_pool): ...here.
3497 (output_shared_constant_pool): New function.
3498 (init_varasm_once): Initialize shared_constant_pool.
3499 * output.h (output_constant_pool): Delete.
3500 (output_shared_constant_pool): Declare.
3501 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3502 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3504 2006-03-06 Nick Clifton <nickc@redhat.com>
3506 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3507 flag_strength_reduce.
3509 2006-03-06 Ben Elliston <bje@au.ibm.com>
3511 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3512 x86_64-*-linux* configurations.
3514 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3515 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3517 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3519 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3521 * basic-block.h: Remove the extern for
3522 rediscover_loops_after_threading.
3524 * cfgloop.c (cancel_loop): Make it static.
3525 * cfgloop.h: Remove the prototype for cancel_loop.
3527 * flow.c (recompute_reg_usage): Make it static.
3528 * rtl.h: Remove the prototype for recompute_reg_usage.
3530 * function.c (use_return_register): Make it static.
3531 * function.h: Remove the prototype.
3533 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3535 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3537 * recog.h: Remove the prototype for
3538 validate_change_maybe_volatile.
3540 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3542 * rtlanal.c (replace_reg): Remove.
3543 * rtl.h: Remove the prototype for replace_reg.
3545 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3547 * regclass.c (reg_scan_update): Remove.
3548 (reg_scan_mark_refs): Remove the last argument.
3549 * rtl.h: Remove the prototype for reg_scan_update.
3551 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3553 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3554 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3555 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3556 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3557 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3558 loop-invariant.c, omp-low.c, opts.c, passes.c,
3559 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3560 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3561 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3562 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3563 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3564 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3566 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3568 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3569 * dwarf2out.h: Remove the prototype for
3570 dwarf2out_add_library_unit_info.
3572 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3574 * tree.c (add_var_to_bind_expr): Remove.
3575 * tree.h: Remove the prototype for add_var_to_bind_expr.
3577 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3579 * regclass.c (n_non_fixed_regs): Remove.
3580 (init_reg_sets_1, globalize_reg): Remove all uses of
3582 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3584 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3586 * rtlanal.c (insns_safe_to_move_p): Remove.
3587 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3589 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3591 * expmed.c (expand_mult_add): Remove.
3592 * expr.h: Remove the prototype for expand_mult_add.
3594 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3596 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3597 and REG_SAVED_VAL_EXP constants.
3598 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3599 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3600 Handle regs stored by value.
3601 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3602 (execute_cfa_program): Handle DW_CFA_val_offset,
3603 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3604 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3605 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3606 (uw_install_context_1): Handle target regs stored by value.
3608 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3610 * tree-sra.c (tree_sra): Return todoflags;
3611 (generate_one_element): Set TODO_update_smt_usage if needed.
3612 (pass_sra): Remove TODO_update_smt_usage.
3613 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3615 (tree_ssa_forward_propagate_single_use_vars): Return
3616 TODO_update_smt_usage if we need to update SMT usage.
3617 (pass_forwprop): Remove TODO_update_smt_usage.
3619 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3621 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3622 (correct_use_link): Remove reference to get_stmt_operands.
3623 (update_stmt_operands): Likewise.
3624 (get_modify_expr_operands): New function factored out of
3625 parse_ssa_operands and get_expr_operands.
3626 Try to create V_MUST_DEFs for LHS by default.
3627 (get_expr_operands) <case MODIFY_EXPR>: Call
3628 get_modify_expr_operands.
3629 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3630 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3631 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3632 get_modify_expr_operands.
3634 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3636 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3637 * tree-flow.h: Remove the prototype for
3638 referenced_var_lookup_if_exists.
3640 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3642 PR rtl-optimization/26345
3644 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3646 2006-03-03 Roger Sayle <roger@eyesopen.com>
3648 PR tree-optimization/26524
3649 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3650 fold_convert to create a constant of the appropriate type.
3652 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3654 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3655 SYMBOL_REF_IN_BLOCK_P.
3656 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3657 of SYMBOL_FLAG_IN_BLOCK.
3658 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3659 instead of SYMBOL_REF_IN_BLOCK_P.
3660 * explow.c (use_anchored_address): Likewise.
3661 * rtl.c (rtx_size): Likewise.
3662 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3663 instead of SYMBOL_FLAG_IN_BLOCK.
3664 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3665 SYMBOL_REF_IN_BLOCK_P.
3666 (assemble_variable): Likewise.
3667 (output_constant_def_contents): Likewise.
3668 (output_constant_pool): Likewise.
3669 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3670 instead of SYMBOL_FLAG_IN_BLOCK.
3671 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3672 SYMBOL_REF_IN_BLOCK_P.
3673 (SYMBOL_REF_BLOCK): Likewise.
3674 (SYMBOL_REF_OFFSET): Likewise.
3675 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3676 SYMBOL_REF_IN_BLOCK_P.
3677 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3678 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3679 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3680 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3682 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3684 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3686 2006-03-02 Roger Sayle <roger@eyesopen.com>
3688 * simplify-rtx.c (simplify_unary_operation): When simplifying
3689 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3690 that we perform the right shift in the appropriate mode, and
3691 then extend or truncate the result to requested mode.
3693 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3695 * gengtype.c (main): Handle double_int type.
3696 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3697 * double-int.c: New file.
3698 * double-int.h: New file.
3699 * system.h: Include doubleint.h.
3700 * Makefile.in (SYSTEM_H): Include double-int.h.
3701 (double-int.o): Add.
3703 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3706 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3709 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3711 * tree-vrp.c (remove_range_assertions): Do not update statements
3714 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3716 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3718 * gcse.c (rest_of_handle_gcse): Ditto.
3719 * except.c (gate_handle_eh): Ditto.
3720 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3721 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3723 2006-03-02 Eric Christopher <echristo@apple.com>
3725 * config/i386/i386.c (machopic_output_stub): Add indirection to
3728 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3732 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3734 Sun Niagara specific optimizations.
3735 * config.gcc: Recognize niagara as target.
3736 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3737 (TARGET_CPU_niagara): Define.
3738 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3739 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3740 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3741 (ASM_CPU_SPEC): Likewise.
3742 (PROCESSOR_NIAGARA): New enum entry.
3743 (REGISTER_MOVE_COST): Handle Niagara.
3744 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3745 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3746 (sparc_override_options): Recognize "niagara", set appropriate
3747 default MASK_* values for it, and align functions to 32-bytes
3748 by default just like ULTRASPARC/ULTRASPARC3.
3749 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3750 (sparc64_initialize_trampoline): Likewise.
3751 (sparc_use_sched_lookahead): Use zero for niagara.
3752 (sparc_issue_rate): Use one for niagara.
3753 * config/sparc/niagara.md: New file.
3754 * config/sparc/sparc.md: Include it.
3755 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3756 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3757 when default cpu is niagara.
3758 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3759 (ASM_CPU_SPEC): Likewise.
3760 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3761 when default cpu is niagara.
3762 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3763 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3764 just like v9/ultrasparc/ultrasparc3.
3765 * doc/invoke.texi: Add documentation for "niagara" and improve
3766 existing documentation for ultrasparc variants.
3768 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3770 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3772 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3774 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3775 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3776 and say that only one is needed.
3777 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3778 * target.h (have_switchable_bss_sections): New hook.
3779 * explow.c (use_anchored_address): Check that the symbol is in a block.
3780 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3781 (bss_noswitch_section): New variables.
3782 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3783 (get_noswitch_section): New function.
3784 (get_block_for_section): Allow SECT to be null.
3785 (unlikely_text_section_p): Use SECTION_STYLE.
3786 (bss_initializer_p): New function.
3787 (get_variable_section): Move earlier in file. Take a new argument,
3788 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3789 Return one of the new *_sections in such cases.
3790 (get_block_for_decl): New function, extracting some logic from
3791 use_blocks_for_decl_p.
3792 (change_symbol_section): Remove in favor of...
3793 (change_symbol_block): ...this new function.
3794 (use_blocks_for_decl_p): Remove checks now performed by
3796 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3797 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3798 (emit_local, emit_bss, emit_common): ...these new functions.
3799 Return true if the alignment was honored.
3800 (emit_tls_common): New function.
3801 (asm_emit_uninitialised): Delete.
3802 (assemble_variable_noswitch): New function, split out from...
3803 (assemble_variable): ...here. Don't make decisions about common
3804 variables here. Globalize all public decls that go into non-common
3805 sections. Check whether SYMBOL_REF_BLOCK is null.
3806 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3807 (output_constant_pool): Likewise.
3808 (init_varasm_once): Initialize the new section variables.
3809 (have_global_bss_p): New function.
3810 (categorize_decl_for_section): Use bss_initializer_p.
3811 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3812 (place_block_symbol): Assert that the symbol must be in a block.
3813 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3814 (TARGET_INITIALIZER): Include it.
3815 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3816 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3817 (SECTION_MACH_DEP): Bump by two.
3818 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3819 (unnamed_section): Mention SECTION_UNNAMED in comment.
3820 (named_section): Likewise SECTION_NAMED.
3821 (noswitch_section_callback): New type.
3822 (noswitch_section): New structure.
3823 (section): Add a noswitch_section alternative.
3824 (SECTION_STYLE): New macro.
3825 (tls_comm_section, comm_section, lcomm_section): Declare.
3826 (bss_noswitch_section, have_global_bss_p): Declare.
3827 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3828 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3830 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3831 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3834 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3836 * gcc/tree-vrp.c (execute_vrp): Return value.
3837 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3838 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3839 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3840 (tree_lower_complex_O0): Ditto.
3841 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3842 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3843 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3844 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3845 (execute_tail_calls): Ditto.
3846 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3847 * gcc/tree.h (init_function_for_compilation): Ditto.
3848 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3849 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3850 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3851 * gcc/final.c (compute_alignments): Ditto.
3852 (rest_of_handle_final): Ditto.
3853 (rest_of_handle_shorten_branches): Ditto.
3854 (rest_of_clean_state): Ditto.
3855 * gcc/omp-low.c (execute_expand_omp): Ditto.
3856 (execute_lower_omp): Ditto.
3857 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3858 * gcc/ipa-reference.c (static_execute): Ditto.
3859 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3860 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3861 (rest_of_handle_machine_reorg): Ditto.
3862 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3863 * gcc/flow.c (recompute_reg_usage): Ditto.
3864 (rest_of_handle_remove_death_notes): Ditto.
3865 (rest_of_handle_life): Ditto.
3866 (rest_of_handle_flow2): Ditto.
3867 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3868 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3869 (do_ssa_store_ccp): Ditto.
3870 (execute_fold_all_builtins): Ditto.
3871 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3872 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3873 * gcc/ipa-pure-const.c (static_execute): Ditto.
3874 * gcc/cse.c (rest_of_handle_cse): Ditto.
3875 (rest_of_handle_cse2): Ditto.
3876 * gcc/web.c (rest_of_handle_web): Ditto.
3877 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3878 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3879 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3880 * gcc/tree-nrv.c (tree_nrv): Ditto.
3881 (execute_return_slot_opt): Ditto.
3882 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3883 (create_structure_vars): Ditto.
3884 * gcc/loop-init.c (rtl_loop_init): Ditto.
3885 (rtl_loop_done): Ditto.
3886 (rtl_move_loop_invariants): Ditto.
3887 (rtl_unswitch): Ditto.
3888 (rtl_unroll_and_peel_loops): Ditto.
3889 (rtl_doloop): Ditto.
3890 * gcc/gimple-low.c (lower_function_body): Ditto.
3891 (mark_used_blocks): Ditto.
3892 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3893 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3894 (cgraph_early_inlining): Ditto.
3895 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3896 * gcc/jump.c (cleanup_barriers): Ditto.
3897 (purge_line_number_notes): Ditto.
3898 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3899 (rest_of_handle_if_after_reload): Ditto.
3900 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3901 (tree_ssa_loop_im): Ditto.
3902 (tree_ssa_loop_unswitch): Ditto.
3903 (tree_vectorize): Ditto.
3904 (tree_linear_transform): Ditto.
3905 (tree_ssa_loop_ivcanon): Ditto.
3906 (tree_ssa_empty_loop): Ditto.
3907 (tree_ssa_loop_bounds): Ditto.
3908 (tree_complete_unroll): Ditto.
3909 (tree_ssa_loop_prefetch): Ditto.
3910 (tree_ssa_loop_ivopts): Ditto.
3911 (tree_ssa_loop_done): Ditto.
3912 * gcc/predict.c (tree_estimate_probability): Ditto.
3913 * gcc/recog.c (split_all_insns_noflow): Ditto.
3914 (rest_of_handle_peephole2): Ditto.
3915 (rest_of_handle_split_all_insns): Ditto.
3916 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3917 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3918 (rest_of_handle_stack_adjustments): Ditto.
3919 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3920 * gcc/function.c (instantiate_virtual_regs): Ditto.
3921 (init_function_for_compilation): Ditto.
3922 (rest_of_handle_check_leaf_regs): Ditto.
3923 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3924 (rest_of_handle_gcse): Ditto.
3925 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3926 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3927 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3928 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3929 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3930 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3931 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3932 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3933 * gcc/except.c (set_nothrow_function_flags): Ditto.
3934 (convert_to_eh_region_ranges): Ditto.
3935 (rest_of_handle_eh): Ditto.
3936 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3937 (remove_unnecessary_notes): Ditto.
3938 * gcc/except.h (set_nothrow_function_flags): Ditto.
3939 (convert_to_eh_region_ranges): Ditto.
3940 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3941 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3942 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3943 (execute_fre): Ditto.
3944 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3945 (rest_of_handle_jump2): Ditto.
3946 * gcc/tree-sra.c (tree_sra): Ditto.
3947 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3948 (execute_mudflap_function_decls): Ditto.
3949 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3950 (do_store_copy_prop): Ditto.
3951 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3952 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3953 * gcc/tree-ssa-forwprop.c
3954 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3955 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3956 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3957 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3958 (execute_late_warn_uninitialized): Ditto.
3959 * gcc/rtl.h (cleanup_barriers): Ditto.
3960 (split_all_insns_noflow): Ditto.
3961 (purge_line_number_notes): Ditto.
3962 (unshare_all_rtl): Ditto.
3963 (remove_unnecessary_notes): Ditto.
3964 (recompute_reg_usage): Ditto.
3965 (variable_tracking_main): Ditto.
3966 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3967 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3968 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3969 (execute_free_cfg_annotations): Ditto.
3970 (execute_fixup_cfg): Ditto.
3971 (execute_cleanup_cfg_pre_ipa): Ditto.
3972 (execute_cleanup_cfg_post_optimizing): Ditto.
3973 (execute_init_datastructures): Ditto.
3974 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3975 * gcc/combine.c (rest_of_handle_combine): Ditto.
3976 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3977 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3978 (rest_of_handle_reorder_blocks): Ditto.
3979 (rest_of_handle_partition_blocks): Ditto.
3980 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3981 * gcc/tree-profile.c (tree_profiling): Ditto.
3982 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3983 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3984 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3985 (rest_of_handle_sched2): Ditto.
3986 * gcc/basic-block.h (free_bb_insn): Ditto.
3987 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3988 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3989 (remove_useless_stmts): Ditto.
3990 (split_critical_edges): Ditto.
3991 (execute_warn_function_return): Ditto.
3992 (execute_warn_function_noreturn): Ditto.
3993 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3994 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3995 * gcc/passes.c (execute_one_pass): Run additional
3996 todos returned by execute function.
3997 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4000 2006-03-02 Richard Guenther <rguenther@suse.de>
4002 * tree-ssa-alias.c (find_used_portions): Consider taking
4003 the address as making the variable not write-only.
4005 2006-03-02 Nick Clifton <nickc@redhat.com>
4007 * config.gcc (default_use_cxa_atexit): Extend the description of
4008 this configure variable. Set its default value to "yes" for
4009 Linux, NetBSD and ELF targets on the assumption that they will
4010 use C libraries with the __cxa_atexit function.
4012 2006-03-02 Ben Elliston <bje@au.ibm.com>
4014 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4015 parameter as unused to suppress a build warning.
4017 2006-03-02 Ben Elliston <bje@au.ibm.com>
4019 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4022 2006-03-01 Roger Sayle <roger@eyesopen.com>
4025 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4026 declared name, the weak reference name, and the typeof name.
4027 (__gthrw): Avoid expanding the declared name suffix.
4028 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4030 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4032 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4034 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4035 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4036 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4037 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4038 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4039 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4040 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4041 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4042 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4043 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4044 (DW_END_default, DW_END_big, DW_END_little): New.
4045 (DW_END_lo_user, DW_END_hi_user): Define.
4046 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4047 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4048 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4051 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4053 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4055 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4057 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4059 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4061 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4062 to 'symbol_mem_tag'.
4064 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4067 2006-03-01 Roger Sayle <roger@eyesopen.com>
4069 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4071 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4074 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4075 MACHO_DYNAMIC_NO_PIC_P.
4076 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4078 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4081 * config/darwin-protos.h (darwin_asm_output_anchor):
4083 * config/darwin-sections.def (cstring_section):
4084 Add SECTION_MERGE to the flags.
4085 (literal4_section): Likewise.
4086 (literal8_section): Likewise.
4087 (objc_selector_refs_section): Likewise.
4088 (objc_cls_refs_section): Likewise.
4089 * config/darwin.c (darwin_asm_output_anchor): New
4091 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4093 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4095 Fix PR tree-optimization/26443
4096 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4097 to todo and PROP_tmt_usage to properties_destroyed.
4098 * tree-ssa-ccp.c (pass_ccp): Ditto.
4099 (pass_store_ccp): Ditto.
4100 * tree-ssa-dom.c (pass_dominator): Ditto.
4102 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4104 * tree-ssa-operands.c: Cleanup whitespace.
4105 (get_asm_expr_operands): Move before first invocation.
4106 (get_indirect_ref_operands): Likewise.
4107 (get_tmr_operands): Likewise.
4108 (get_call_expr_operands): Likewise.
4109 (append_def): Likewise.
4110 (append_use): Likewise.
4111 (append_v_may_def): Likewise.
4112 (append_v_must_def): Likewise.
4113 (add_call_clobber_ops): Likewise.
4114 (add_call_read_ops): Likewise.
4115 (add_stmt_operand): Likewise.
4116 (add_virtual_operand): Likewise.
4117 (build_ssa_operands): Likewise.
4119 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4124 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4125 with a call expr to ...
4126 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4128 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4130 * tree-vrp.c (extract_range_from_assert): Remove special
4131 handling for types with super-types.
4133 2006-03-01 Ben Elliston <bje@au.ibm.com>
4135 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4136 and powerpc64-*-linux* configurations.
4137 * config/t-dfprules: New file.
4139 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4140 Compile dfp-bit.c from the source directory using -DWIDTH and
4141 $DFP_CFLAGS to control the compilation of that file, rather than
4142 generating width-specific versions in the build directory.
4143 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4144 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4146 2006-02-28 Zack Weinberg <zackw@panix.com>
4148 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4151 2006-02-28 Eric Christopher <echristo@apple.com>
4153 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4154 Set up IN_LIBGCC definition of TARGET_64BIT.
4155 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4157 2006-02-28 Roger Sayle <roger@eyesopen.com>
4160 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4161 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4162 cases via the construction of "expr != 0".
4164 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4166 * alias.c (alias_invariant, alias_invariant_size): Remove.
4167 (record_base_value): Remove.
4168 (memrefs_conflict_p): Don't look at alias_invariant.
4169 (end_alias_analysis): Don't free it.
4170 * alias.h (record_base_value): Remove prototype.
4172 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4173 Adam Nemet <anemet@caviumnetworks.com>
4175 * rtl.h (truncated_to_mode): Declare it.
4176 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4177 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4178 (RTL_HOOKS_INITIALIZER): Include it.
4179 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4180 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4181 reg_truncated_to_mode.
4182 * rtlanal.c (truncated_to_mode): Define it.
4183 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4185 2006-02-28 Jeff Law <law@redhat.com>
4187 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4188 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4189 the range allowed by TYPE_PRECISION.
4191 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4193 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4195 PR tree-optimization/26419
4196 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4199 2006-02-27 Zack Weinberg <zackw@panix.com>
4201 * doc/md.texi: Fix typo in previous change.
4203 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4207 2006-02-27 Zack Weinberg <zackw@panix.com>
4209 * rtl.def (define_constraint, define_register_constraint)
4210 (define_memory_constraint, define_address_constraint): New MD forms.
4211 * gensupport.c (process_rtx): Put define_constraint etc on the
4213 * genpreds.c (process_define_predicate): Adjust comment. Validate
4214 the name, and call validate_exp to validate the expression.
4215 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4216 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4217 all callers changed.
4218 (validate_exp, needs_variable, struct constraint_data)
4219 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4220 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4221 (const_dbl_constraints, constraint_max_namelen)
4222 (have_register_constraints, have_memory_constraints)
4223 (have_address_constraints, have_address_constraints)
4224 (have_extra_constraints, have_const_int_constraints)
4225 (have_const_dbl_constraints, mangle, add_constraint)
4226 (process_define_constraint, process_define_register_constraint)
4227 (write_enum_constraint_num, write_lookup_constraint)
4228 (write_insn_constraint_len, write_regclass_for_constraint)
4229 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4230 (write_insn_extra_memory_constraint)
4231 (write_insn_extra_address_constraint)
4232 (write_satisfies_constraint_fns): New.
4233 (write_tm_preds_h): If we have new-style constraint definitions,
4234 prototype the functions generated from them, and define the
4235 old constraint interface (still used by generic code) in terms of
4237 (write_insn_preds_c): If we have new-style constraint definitions,
4238 generate all relevant functions from those definitions.
4239 (main): Handle define_constraint etc.
4240 * genoutput.c (struct constraint_data, indep_constraints)
4241 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4242 (mdep_constraint_len): New data structures and functions, defined
4243 #ifdef USE_MD_CONSTRAINTS.
4244 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4245 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4246 use new logic to validate operand constraints against constraint
4248 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4250 * defaults.h: If none of the old-style constraint macros are
4251 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4252 old-style macros; and poison REG_CLASS_FROM_LETTER,
4253 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4255 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4256 * doc/md.texi: Document new constraint-definition mechanism and the
4257 C interface it provides. Remove references to old mechanism
4258 elsewhere in the document.
4259 (Machine Constraints): Use pathnames relative to gcc directory,
4260 i.e. config/ARCH/FILE. Change i386 section to refer to
4261 config/i386/predicates.md; update that section to match docstrings.
4262 * doc/tm.texi: Move all documentation of the old constraint-
4263 definition macros to their own section, clearly mark as obsolete.
4265 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4266 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4268 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4269 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4270 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4272 (splits and peepholes): Use satisfies_constraint_*.
4273 * config/i386/i386.c (memory_address_length)
4274 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4276 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4278 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4279 scalar operation to be put back into the loop.
4281 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4284 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4285 (extract_cie_info): Handle S flag in augmentation string.
4286 (execute_cfa_program): If context->signal_frame, execute also
4287 fs->pc == context->ra instructions.
4288 (uw_frame_state_for): If context->signal_frame, don't subtract one
4289 from context->ra to find FDE.
4290 (uw_update_context_1): Set context->signal_frame to
4292 (_Unwind_GetIPInfo): New function.
4293 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4294 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4296 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4297 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4298 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4299 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4300 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4301 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4302 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4303 x86_64_fallback_frame_state): Set fs->signal_frame.
4304 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4305 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4306 (frob_update_context): Likewise. Workaround missing S flag in
4307 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4308 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4309 Remove the psw_addr + 1 hack.
4311 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4313 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4314 with aggregates here.
4315 (find_func_aliases): Remove code for &<aggregate> from here.
4317 2006-02-26 Roger Sayle <roger@eyesopen.com>
4319 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4320 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4321 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4324 2006-02-26 Roger Sayle <roger@eyesopen.com>
4327 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4329 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4331 * opts.c (decode_options): Do not handle flag_strength_reduce.
4332 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4333 and OPT_fstrength_reduce.
4334 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4335 flag_prefetch_loop_arrays for being nonzero.
4336 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4338 (fprefetch-loop-arrays-rtl): Removed.
4339 (flag_prefetch_loop_arrays): Do not specify the value.
4341 * doc/passes.texi: Update documentation of loop optimizer
4343 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4344 -frerun-loop-opt): Remove.
4346 2006-02-26 Richard Guenther <rguenther@suse.de>
4348 PR tree-optimization/26421
4349 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4350 in function calls that are ADDR_EXPRs as using the whole structure.
4352 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4354 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4355 * tree-pass.h (pass_loop_optimize): Remove.
4356 * passes.c (pass_loop_optimize): Never run it.
4357 * toplev.c (backend_init): Don't call init_loop.
4358 * opts.c (flag_loop_optimize_set): Remove.
4359 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4360 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4361 the old RTL loop optimizer when profiling enabled.
4362 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4363 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4364 pre-headers for the sake of the old RTL loop optimizer.
4365 * Makefile.in: Remove all references to loop.o.
4367 * doc/invoke.texi: Remove all references to -floop-optimize
4368 and -frerun-loop-opt.
4370 2006-02-26 Zack Weinberg <zackw@panix.com>
4372 * doc/md.texi (Machine Constraints): Refer to all files with paths
4373 relative to gcc directory (i.e. config/CPU/file). Add missing
4374 @table @code ... @end table to M32C subsection.
4376 2006-02-26 Roger Sayle <roger@eyesopen.com>
4378 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4380 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4382 2006-02-26 Roger Sayle <roger@eyesopen.com>
4383 James A. Morrison <phython@gcc.gnu.org>
4386 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4387 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4388 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4389 signedness of the shift operation.
4391 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4393 PR tree-optimization/26359
4394 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4396 2006-02-25 Roger Sayle <roger@eyesopen.com>
4398 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4399 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4400 as X == 0, and some symmetry related transformations.
4401 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4403 2006-02-25 Roger Sayle <roger@eyesopen.com>
4406 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4407 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4408 symmetry related transformations. Fold (X^C1) == C2 as
4411 2006-02-25 Juergen Weigert <jw@suse.de>
4412 Richard Guenther <rguenther@suse.de>
4414 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4416 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4418 * combine.c (gen_lowpart_or_truncate): Call
4419 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4421 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4423 * doc/invoke.texi: Move -fopenmp description to "Options for
4425 Remove reference to -lgomp.
4427 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4429 * doc/install.texi: Require GNU tar version 1.14.
4431 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4433 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4434 * doc/invoke.texi (C++ Dialect Options): Document
4435 -fno-use-cxa-get-exception-ptr.
4436 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4437 * configure: Regenerate.
4438 * c.opt (fuse-cxa-get-exception-ptr): New.
4439 * c-opts.c (c_common_handle_option): Handle
4440 OPT_fuse_cxa_get_exception_ptr.
4441 * c-common.c (flag_use_cxa_atexit): Update documentation.
4442 (flag_use_cxa_get_exception_ptr): New.
4443 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4444 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4446 (C_COMMON_OVERRIDE_OPTIONS): New.
4448 2006-02-24 Roger Sayle <roger@eyesopen.com>
4451 * combine.c (try_combine): Explicitly check whether GET_CODE is
4452 a SET or a CLOBBER, instead on checking that it isn't a USE.
4454 2006-02-24 Roger Sayle <roger@eyesopen.com>
4456 * fold-const.c (fold_comparison): New subroutine of fold_binary
4457 containing transformations common to both the equality and
4458 ordering relational operators, factored out of fold_binary.
4459 (fold_binary): Separate out the equality operators (EQ_EXPR
4460 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4461 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4462 transformations common to both.
4463 (fold_div_compare): Fix latent bugs in the previously unreachable
4464 LT_EXPR and GE_EXPR cases.
4466 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4468 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4469 decl libname for clog to __clog on AIX.
4471 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4473 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4476 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4477 output traceback table for thunks. Localise rs6000_stack_info call.
4479 2006-02-23 Roger Sayle <roger@eyesopen.com>
4480 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4482 * gthr-posix.h (__gthrw): Fix typo in comment.
4484 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4486 * doc/cpp.texi (Character sets): Document that we do support
4487 input files to be in any character set.
4489 2006-02-23 Jeff Law <law@redhat.com>
4491 * tree.h (PHI_ARG_NONZERO): Remove.
4492 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4493 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4494 node to the new node.
4496 PR tree-optimization/26425
4497 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4498 min/max, then assume its varying.
4500 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4502 PR rtl-optimization/26316
4503 * rtlanal.c (enum may_trap_p_flags): New.
4504 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4505 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4506 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4507 (may_trap_after_code_motion_p): New function.
4508 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4509 (find_invariant_insn): Use may_trap_after_code_motion_p.
4510 * rtl.h (may_trap_after_code_motion_p): Declare.
4512 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4514 * emit-rtl.c (immed_double_const): Cleanup.
4516 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4518 Fix PR tree-optimization/26376
4519 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4522 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4525 * gimplify.c (omp_add_variable): Guard variable size decl test with
4526 DECL_SIZE (decl) check.
4528 2006-02-23 Richard Guenther <rguenther@suse.de>
4531 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4532 like aggregate types.
4534 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4536 * configure.ac: Add --with{,out}-long-double-128 configure option.
4537 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4538 * configure: Rebuilt.
4539 * config.in: Rebuilt.
4540 * doc/install.texi (Options specification): Document
4541 --with-long-double-128.
4543 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4544 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4545 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4546 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4548 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4550 * config/s390/s390.c (override_options): Handle
4551 TARGET_DEFAULT_LONG_DOUBLE_128.
4553 * config/alpha/alpha.c (override_options): Handle
4554 TARGET_DEFAULT_LONG_DOUBLE_128.
4556 * config/sparc/sparc.c (sparc_override_options): Handle
4557 TARGET_DEFAULT_LONG_DOUBLE_128.
4559 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4561 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4562 (real-install-headers-tar, real-install-headers-cpio)
4563 (real-install-headers-cp): New targets.
4565 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4567 * tree.h (variable_section): Delete.
4568 * varasm.c (variable_section): Delete.
4570 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4572 * install.texi: Add notes on install.texi2html.
4573 (Building in parallel): Do not use footnotes.
4575 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4578 * doc/install.texi (Configuration): Document --disable-libgomp.
4580 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4582 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4584 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4586 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4587 (vec_extractv2df_0_sse): New.
4589 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4591 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4592 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4593 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4594 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4595 to the result of the expression.
4596 (def_cfa_1): Adjust.
4597 (frame_pointer_cfa_offset): Rename to...
4598 (frame_pointer_fb_offset): ... this. Adjust all uses.
4599 (convert_cfa_to_loc_list): Rename to...
4600 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4601 Pass it on to build_cfa_loc.
4602 (compute_frame_pointer_to_cfa_displacement): Rename to...
4603 (compute_frame_pointer_to_fb_displacement): ... this. New
4604 offset parameter. Use it in computation.
4605 (gen_subprogram_die): Compute cfa_fb_offset with the new
4606 macro, and use it to compute the fb loc list and the
4609 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4611 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4612 replaced with register_operand.
4613 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4614 non-DREG is expensive.
4615 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4616 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4619 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4621 * doc/install.texi2html: Use set -e.
4623 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4625 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4626 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4627 * doc/invoke.texi (-fshared-data): Delete.
4628 * common.opt (fshared-data): Delete.
4629 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4630 (assemble_static_space): Remove #if 0 code.
4631 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4632 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4633 * config/cris/cris.h: Remove FIXME.
4635 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4637 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4640 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4643 * combine.c (simplify_shift_const_1): Disable nested shifts
4644 optimization for vector shifts.
4646 2006-02-20 Roger Sayle <roger@eyesopen.com>
4648 PR tree-optimization/26361
4649 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4650 of unsigned integer types.
4652 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4654 * tree-chrec.c (eq_evolutions_p): New.
4655 * tree-chrec.h (eq_evolutions_p): Declared.
4656 * tree-data-ref.c: Fix formatting.
4657 (datadep_stats, dependence_stats): New.
4659 (print_direction_vector): New.
4660 (dump_data_dependence_relation): Use print_direction_vector.
4661 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4662 (compute_subscript_distance): Static.
4663 (initialize_data_dependence_relation): Static. Get the number
4664 of loops surrounding the references from the callers, and initialize
4665 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4666 base_object_differ_p analyzers.
4667 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4668 compute_overlap_steps_for_affine_1_2,
4669 analyze_subscript_affine_affine): Count the classified dependences.
4670 Print a message when a test failed.
4671 (can_use_analyze_subscript_affine_affine): New.
4672 (analyze_siv_subscript): Compute the data dependences on symbolic
4673 scevs that verify can_use_analyze_subscript_affine_affine.
4674 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4675 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4676 Handle symbolic scevs.
4677 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4679 (subscript_dependence_tester): Moved...
4680 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4681 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4682 DDR_SIZE_VECT instead of getting it in parameter.
4683 (subscript_dependence_tester): ... here. Take as a parameter
4684 loop_nest_depth. Call build_classic_dist_vector and
4685 build_classic_dir_vector.
4686 (compute_affine_dependence): Update subscript_dependence_tester
4687 parameters. Update datadep_stats counters. Call
4688 compute_subscript_distance.
4689 (compute_self_dependence): Save the dist and dir vectors. Call
4690 compute_subscript_distance.
4691 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4692 (compute_all_dependences): Reorder parameters as they were before
4693 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4694 compute_subscript_distance. Update the use of
4695 compute_affine_dependence and initialize_data_dependence_relation.
4696 (find_data_references_in_loop): Handle COMPONENT_REF.
4697 (compute_data_dependences_for_loop): Initialize dependence_stats.
4698 Don't call build_classic_dist_vector and build_classic_dir_vector.
4699 Update the parameters of initialize_data_dependence_relation and
4700 compute_all_dependences. Print the statistics from datadep_stats.
4701 (analyze_all_data_dependences): Static. Not used until the pass for
4702 checking the data dependences is contributed.
4703 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4704 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4705 (initialize_data_dependence_relation, compute_affine_dependence,
4706 analyze_all_data_dependences, compute_subscript_distance): Removed.
4707 (print_direction_vector): New.
4708 * lambda.h (gcd): ... here.
4709 (lambda_vector_gcd): Moved here from gcd_vector.
4710 * lambda-code.c (gcd, gcd_vector): Removed.
4711 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4712 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4714 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4716 * ipa-type-escape.c: Tidy some comments and white space.
4717 * tree-ssa-operands.c: Likewise.
4719 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4722 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4723 (dump_decl_name): Do not walk the decl tree chains.
4724 * tree-pass.h (TDF_CHAIN): Remove.
4726 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4728 * Makefile.in (C): Remove
4730 (.PHONY): Remove C and PROTO
4732 2006-02-20 Roger Sayle <roger@eyesopen.com>
4735 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4736 deprecated CHAR_TYPE tree code.
4738 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4740 * configure.ac (target_list): Add install-info, dvi, html.
4741 * configure: Regenerate.
4743 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4744 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4745 treelang/Make-lang.in: Do not use double-colon rules.
4747 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4749 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4750 (TMT_USED_ALONE): New macro.
4751 * tree-pass.h (PROP_tmt_usage): New property.
4752 (TODO_update_tmt_usage): New todo.
4753 * tree-ssa-alias.c (updating_used_alone): New variable.
4754 (recalculate_used_alone): New function.
4755 (compute_may_aliases): Set updating_used_alone, call
4756 recalculate_used_alone.
4757 * tree-sra.c (pass_sra): Note that this pass destroys
4758 PROP_tmt_usage, and add TODO_update_tmt_usage.
4759 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4760 * tree-flow.h (updating_used_alone): Prototype.
4761 (recalculate_used_alone): Ditto.
4762 * passes.c (execute_todo): Add code to set updating_used_alone,
4763 and call recalculate.
4764 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4765 for clobber if used alone, and add assert to verify used_alone
4768 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4770 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4771 for non tls symbols added.
4772 (legitimize_address): Do nothing for PLUS expressions if one of the
4773 addends is a tls symbol reference.
4775 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4779 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4781 * Makefile.in (BOOTSTRAPPING): New.
4782 (quickstrap): New definition if BOOTSTRAPPING=yes.
4784 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4785 * configure.ac: Substitute all_selected_languages with the languages
4786 that were configured. For all the other variables except
4787 lang_specs_files, include all the languages in the tree.
4788 * configure: Regenerate.
4790 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4791 if there is one. Run the commands to run fixincludes in the same
4794 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4795 * doc/install.texi: Document exact conventions for searching target tools.
4796 Document --with-build-time-tools. Document toplevel bootstrap. Document
4797 something more about building an Ada cross-compiler. Don't list GNU Make
4798 requirements which affect all platforms.
4800 2006-02-19 Roger Sayle <roger@eyesopen.com>
4803 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4804 only equivalent if the have both the same mode and precision.
4806 2006-02-20 Ben Elliston <bje@au.ibm.com>
4808 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4810 2006-02-19 Roger Sayle <roger@eyesopen.com>
4811 Steven Bosscher <stevenb.gcc@gmail.com>
4813 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4814 constant pool references to identify stack mode constants.
4815 * rtlanal.c (constant_pool_constant_p): New predicate to check
4816 whether operand is a floating point constant in the pool.
4817 * rtl.h (constant_pool_constant_p): Prototype here.
4818 * loop.c (scan_loop): Avoid hoisting constants from the constant
4819 pool on STACK_REGS targets.
4820 (load_mems): Likewise.
4821 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4822 loads into x87 registers expensive in terms of register pressure.
4824 2006-02-19 Roger Sayle <roger@eyesopen.com>
4826 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4827 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4829 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4831 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4832 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4834 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4836 * doc/invoke.texi: Document -fipa-pta.
4837 * common.opt: Add ipa-pta option.
4838 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4839 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4840 (do_ds_constraint): Ditto.
4841 (get_constraint_for): Only add to referenced_vars if
4842 referenced_vars exists.
4843 (insert_into_field_list): Rewrite to do this unsorted.
4844 (insert_into_field_list_sorted): Rename old insert_into_field_list
4846 (create_function_info_for): Use insert_into_field_list_sorted.
4847 (create_variable_info_for): Rewrite so it uses unsorted version,
4848 since the field list is sorted.
4849 (intra_create_variable_infos): Only add to referenced_vars if
4850 referenced_vars exists.
4851 (ipa_pta_execute): Init heapvars, and delete when done.
4852 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4854 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4856 * doc/install.texi: Add missing `@samp'.
4858 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4860 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4863 2006-02-18 Mark Wielaard <mark@klomp.org>
4865 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4866 who added new 4.1 features, bug fixes and integration support.
4868 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4871 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4874 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4876 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4877 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4878 (copy_insn_1): Likewise. Don't copy each field individually.
4880 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4882 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4883 * rtl.c (rtx_size): Rename variable to...
4884 (rtx_code_size): ...this.
4885 (rtx_size): New function.
4886 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4887 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4889 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4890 * rtl.h (rtx_code_size): New variable.
4891 (rtx_size): Change from a variable to a function.
4892 (RTX_SIZE): Rename to...
4893 (RTX_CODE_SIZE): ...this.
4896 PR tree-optimization/17106
4897 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4898 (Anchored Addresses): New section.
4899 * doc/invoke.texi (-fsection-anchors): Document.
4900 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4901 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4902 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4903 * hooks.c (hook_bool_mode_rtx_false): New function.
4904 * hooks.h (hook_bool_mode_rtx_false): Declare.
4905 * gengtype.c (create_optional_field): New function.
4906 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4907 SYMBOL_REF_IN_BLOCK_P is true.
4908 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4909 (min_anchor_offset, max_anchor_offset): Likewise.
4910 (use_anchors_for_symbol_p): New hook.
4911 * toplev.c (compile_file): Call output_object_blocks.
4912 (target_supports_section_anchors_p): New function.
4913 (process_options): Check that -fsection-anchors is only used on
4914 targets that support it and when -funit-at-a-time is in effect.
4915 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4916 if the decl doesn't have one.
4917 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4918 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4919 of force_const_mem through use_anchored_address.
4920 (expand_expr_constant): New function.
4921 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4922 calling expand_expr for INDIRECT_REF.
4923 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4924 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4925 * expr.h (use_anchored_address): Declare.
4926 * loop-unroll.c: Don't declare rtx vectors here.
4927 * explow.c: Include output.h.
4928 (validize_mem): Call use_anchored_address.
4929 (use_anchored_address): New function.
4930 * common.opt (-fsection-anchors): New switch.
4931 * varasm.c (object_block_htab, anchor_labelno): New variables.
4932 (hash_section, object_block_entry_eq, object_block_entry_hash)
4933 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4934 (use_blocks_for_decl_p, change_symbol_section): New functions.
4935 (get_variable_section): New function, split out from assemble_variable.
4936 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4937 use_blocks_for_decl_p say so. Use change_symbol_section if the
4938 symbol has already been created.
4939 (assemble_variable_contents): New function, split out from...
4940 (assemble_variable): ...here. Don't output any code for
4941 block symbols; just pass them to place_block_symbol.
4942 Use get_variable_section and assemble_variable_contents.
4943 (get_constant_alignment, get_constant_section, get_constant_size): New
4944 functions, split from output_constant_def_contents.
4945 (build_constant_desc): Create a block symbol if use_object_blocks_p
4946 says so. Or into SYMBOL_REF_FLAGS.
4947 (assemble_constant_contents): New function, split from...
4948 (output_constant_def_contents): ...here. Don't output any code
4949 for block symbols; just pass them to place_section_symbol.
4950 Use get_constant_section and get_constant_alignment.
4951 (force_const_mem): Create a block symbol if use_object_blocks_p and
4952 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4953 (output_constant_pool_1): Add an explicit alignment argument.
4954 Don't switch sections here.
4955 (output_constant_pool): Adjust call to output_constant_pool_1.
4956 Switch sections here instead. Don't output anything for block symbols;
4957 just pass them to place_block_symbol.
4958 (init_varasm_once): Initialize object_block_htab.
4959 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4960 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4961 (place_block_symbol, get_section_anchor, output_object_block)
4962 (output_object_block_htab, output_object_blocks): New functions.
4963 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4964 (TARGET_ASM_OUT): Include it.
4965 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4966 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4967 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4968 (TARGET_INITIALIZER): Include them.
4969 * rtl.c (rtl_check_failed_block_symbol): New function.
4970 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4971 (block_symbol, object_block): New structures.
4972 (rtx_def): Add a block_symbol field to the union.
4973 (BLOCK_SYMBOL_CHECK): New macro.
4974 (rtl_check_failed_block_symbol): Declare.
4975 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4976 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4977 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4978 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4979 * output.h (output_section_symbols): Declare.
4980 (object_block): Name structure.
4981 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4982 (default_use_anchors_for_symbol_p): Declare.
4983 * Makefile.in (RTL_BASE_H): Add vec.h.
4984 (explow.o): Depend on output.h.
4985 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4986 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4987 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4988 (rs6000_use_blocks_for_constant_p): New function.
4990 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4992 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4994 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4997 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5000 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5002 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5006 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5009 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5010 instead of DECL_REGISTER.
5012 2006-02-18 Olivier Hainque <hainque@adacore.com>
5015 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5017 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5020 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5021 * opth-gen.awk: Handle Var and InverseMask together.
5022 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5023 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5024 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5025 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5027 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5028 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5029 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5030 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5031 LINUX_DYNAMIC_LINKER): Define.
5032 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5033 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5035 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5036 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5037 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5038 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5039 (TARGET_C99_FUNCTIONS): Don't define.
5040 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5041 GLIBC_DYNAMIC_LINKER.
5042 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5043 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5044 GLIBC_DYNAMIC_LINKER64): Define.
5045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5046 LINUX_DYNAMIC_LINKER64.
5047 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5048 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5049 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5051 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5053 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5054 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5055 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5057 and LINUX_DYNAMIC_LINKER32.
5058 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5060 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5062 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5064 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5065 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5066 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5067 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5068 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5069 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5070 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5071 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5072 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5073 LINUX_DYNAMIC_LINKER): Define.
5074 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5075 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5076 GLIBC_DYNAMIC_LINKER64): Define.
5077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5078 LINUX_DYNAMIC_LINKER64.
5079 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5080 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5081 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5082 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5083 LINUX_DYNAMIC_LINKER): Define.
5084 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5085 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5086 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5087 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5088 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5089 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5090 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5091 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5092 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5093 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5095 * doc/invoke.texi (-muclibc): Remove caveat about supported
5098 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5100 * doc/cpp.texi (__TIMESTAMP__): Document.
5102 2006-02-17 Roger Sayle <roger@eyesopen.com>
5105 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5106 C is one less than the width of X (and related transformations).
5107 * simplify-rtx.c (simplify_unary_operation_1): Transform
5108 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5109 depending on STORE_FLAG_VALUE, were C is one less then the
5112 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5114 Fix PR tree-optimization/26341
5115 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5116 about NAME_MEMORY_TAG's.
5118 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5121 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5122 with hardware float support, and software float support. Add fcpy
5123 alternative to hardware patterns. Add alternatives to copy between
5124 general and floating-point registers to the 32-bit pattern.
5125 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5126 secondary reload to load a QI or HI mode constant into a floating
5128 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5129 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5131 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5134 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5136 (load_macho_picbase_di): Likewise.
5138 2006-02-16 Jeff Law <law@redhat.com>
5140 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5141 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5142 (ssa_name_nonzero_p): Likewise.
5143 (get_value_range): Return NULL if VRP is not running.
5144 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5145 VRP routines do not discover a range.
5146 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5147 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5148 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5149 (tree_expr_nonnegative_p): Similarly.
5150 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5151 (restore_nonzero_vars_to_original_value): Remove.
5152 (unsafe_associative_fp_binop): Remove.
5153 (tree_ssa_dominator_optimize): Remove initialization and
5154 finalization of nonzero_vars and nonzero_vars_stack.
5155 (dom_opt_initialize_block): No longer push marker on
5157 (dom_opt_finalize_block): No longer call
5158 restore_nonzero_vars_to_original_value.
5159 (record_equivalences_from_phis): No longer look for
5160 nonzero PHI arguments.
5161 (cprop_into_successor_phis): No longer propagate nonzero
5162 property into PHI arguments. Lose unused argument. Caller
5164 (record_equivalences_from_stmt): No longer record nonzero
5165 values for SSA_NAMEs.
5166 (lookup_avail_expr): No longer use nonzero_vars.
5168 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5169 for sizetype when sizetype is unsigned.
5171 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5173 PR rtl-optimization/25603
5174 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5175 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5176 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5177 with new meaning of SETS.
5179 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5184 * config/linux.opt: New file.
5185 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5186 LINUX_DYNAMIC_LINKER): Define.
5187 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5188 * config.gcc (*-*-linux*): Define extra_options.
5189 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5190 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5191 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5192 GLIBC_DYNAMIC_LINKER.
5193 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5194 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5195 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5197 * doc/invoke.texi (GNU/Linux Options): New section.
5199 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5201 * config/sparc/sparc.md (setjmp): Rewrite.
5202 (setjmp_32): Delete.
5203 (setjmp_64): Likewise.
5205 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5207 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5210 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5212 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5215 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5217 PR rtl-optimization/26296
5218 * Makefile.in (loop-invariant.c): Add except.h dependency.
5219 * loop-invariant.c: Include except.h.
5220 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5222 2005-02-16 Paul Brook <paul@codesourcery.com>
5224 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5227 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5229 PR rtl-optimization/25636
5230 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5231 when deciding whether an insn is an initializing insn.
5233 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5235 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5236 (tree_code_size): Ditto.
5237 * tree.h (struct tree_memory_tag): Remove parent_var.
5238 (struct tree_struct_field_tag): New.
5241 (union tree_node): Add sft member.
5242 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5244 (create_sft): Add size and offset argument, set SFT_OFFSET and
5246 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5247 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5248 * tree-flow-inline.h (get_subvar_at): Update for
5249 SFT_OFFSET/SFT_SIZE.
5250 (var_can_have_subvars): Ditto.
5251 (overlap_subvar): Ditto.
5252 * print-tree.c (print_node): Print out interesting things for
5254 * tree-flow.h (struct subvar): Remove offset and size members.
5255 * tree-ssa-operands.c (get_expr_operands): Update for
5256 get_indirect_ref_operands changes.
5257 (get_indirect_ref_operands): Call add_virtual_operand instead of
5258 add_stmt_operand. Only recurse on base var if requested.
5259 (access_can_touch_variable): New function.
5260 (add_stmt_operand): Split virtual operand handling into ...
5261 (add_virtual_operand): Here. Add offset, size, and for_clobber
5262 arguments. Prune alias sets.
5263 (add_call_clobber_ops): Call add_virtual_operand.
5265 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5268 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5270 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5271 than TREE_CODE as index into omp_clause_num_ops array.
5273 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5275 PR rtl-optimization/26184
5276 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5278 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5279 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5280 must_precede, must_follow and tobe_scheduled.
5283 * opts.c (common_handle_option): Free new_option pointer.
5284 * df-core.c (df_analyze): Free postorder pointer.
5286 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5288 * Makefile.in: Fix the examples about the use of stamps
5290 2006-02-15 Michael Matz <matz@suse.de>
5294 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5295 influenced by maximum_field_alignment or DECL_PACKED.
5296 (update_alignment_for_field): Ditto.
5297 (place_field): Ditto.
5298 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5301 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5303 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5304 (debug_flow_info): Pass it.
5305 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5306 * bb-reorder.c (reorder_basic_blocks): Likewise.
5307 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5308 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5309 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5310 * gcse.c (gcse_main, bypass_jumps): Likewise.
5311 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5312 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5313 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5314 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5315 * rtl.h (dump_flow_info): Adjust prototype.
5316 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5317 * var-tracking.c (variable_tracking_main): Likewise.
5318 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5319 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5322 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5324 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5327 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5329 PR tree-optimization/26209
5330 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5331 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5333 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5335 2006-02-14 Roger Sayle <roger@eyesopen.com>
5338 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5339 (X,Y) and the corresponding symmetry related transformations.
5340 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5341 (X,Y) and its symmetry related transformations.
5343 2006-02-14 Roger Sayle <roger@eyesopen.com>
5345 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5348 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5350 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5352 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5355 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5356 support COMDAT group.
5357 * configure: Regenerate.
5359 2006-02-14 Roger Sayle <roger@eyesopen.com>
5364 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5366 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5368 Fix PR tree-optimization/26260
5370 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5372 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5373 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5374 * tree-ssa-structalias.c (create_variable_info_for): Use
5375 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5377 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5379 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5381 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5382 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5383 of the ending condition.
5384 * tree-ssa-loop-manip.c: Include params.h.
5385 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5386 tree_unroll_loop): New functions.
5387 * tree-pass.h (pass_loop_prefetch): Declare.
5388 * loop.c (rest_of_handle_loop_optimize): Test for
5389 -fprefetch-loop-arrays-rtl.
5390 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5391 * timevar.def (TV_TREE_PREFETCH): New timevar.
5392 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5393 pass_loop_prefetch): New.
5394 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5395 (cleanup_tree_cfg_loop): Call scev_reset.
5396 * common.opt (fprefetch-loop-arrays-rtl): Add.
5397 * tree-ssa-loop-prefetch.c: New file.
5398 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5399 (new_temp_expr_table): Initialize expr_vars.
5400 (free_temp_expr_table): Cleanup expr_vars.
5401 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5402 expressions from being merged into one.
5403 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5404 (struct tree_niter_desc): Add control, bound and cmp fields.
5405 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5407 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5408 (tree-cfgcleanup.o): Add SCEV_H dependency.
5409 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5410 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5412 2006-02-14 Richard Guenther <rguenther@suse.de>
5414 PR tree-optimization/26258
5415 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5416 in PHI argument processing.
5418 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5420 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5421 new expression in the requested machine mode.
5423 2006-02-13 Roger Sayle <roger@eyesopen.com>
5425 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5426 directly, instead let do_compare_rtx_and_jump handle this for us.
5427 * expr.c (expand_expr_real_1): Likewise.
5428 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5429 before do_jump_by_parts_greater.
5430 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5431 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5433 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5435 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5437 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5439 PR rtl-optimization/26235
5440 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5441 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5444 2006-02-13 Jeff Law <law@redhat.com>
5446 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5449 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5452 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5453 twice if decl is a builtin. When trying again, call get_callee_fndecl
5454 first to verify it is still a builtin.
5456 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5458 * dwarf2out.c (base_type_die): Don't add AT_name here.
5459 (subrange_type_die): Don't add AT_name here.
5460 (modified_type_die): Rearrange code flow. Do add AT_name here.
5462 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5464 PR rtl-optimization/26247
5465 PR rtl-optimization/26248
5466 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5468 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5470 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5471 * config/fixtfdi.c: Likewise.
5472 * config/fixunstfdi.c: Likewise.
5473 * config/floatditf.c: Likewise.
5475 2006-02-13 Roger Sayle <roger@eyesopen.com>
5478 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5479 into (X,C2) if C1 is a subset of the bits of C2. Transform
5480 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5482 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5484 2006-02-13 Josh Conner <jconner@apple.com>
5487 * varasm.c (function_section): Check for section name before
5488 calling select_section on targets that define
5489 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5490 unlikely_text_section instead of hot_function_section if
5491 first_function_block_is_cold.
5493 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5496 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5498 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5500 PR rtl-optimization/26222
5501 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5502 after tree->rtl expansion.
5503 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5504 before passing it to emit_move_insn.
5506 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5508 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5510 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5511 Clarify documentation.
5512 * c-common.h (warn_write_strings): Remove.
5513 * c-common.c (warn_write_strings): Likewise.
5514 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5517 2006-02-12 Roger Sayle <roger@eyesopen.com>
5520 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5521 (do_jump_parts_zero_rtx): New function renamed from
5522 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5523 (do_jump_parts_equality_rtx): New function split out from
5524 do_jump_parts_equality. Old implementation renamed as above.
5525 Call do_jump_parts_zero_rtx if either operand is zero.
5526 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5527 do all of the heavy lifting.
5528 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5529 calling either do_jump_by_parts_greater_rtx or
5530 do_jump_by_parts_equality_rtx.
5531 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5532 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5533 moved to do_compare_rtx_and_jump, call it directly.
5534 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5535 mode argument. Call do_compare_rtx_and_jump.
5536 (emit_case_nodes): Update calls to do_jump_if_equal.
5538 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5540 PR rtl-optimization/26225
5541 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5543 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5545 PR rtl-optimization/26232
5546 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5548 2006-02-11 Jason Merrill <jason@redhat.com>
5551 * tree-inline.c (declare_return_variable): Just don't use the
5552 modify target if it's a gimple complex reg and the return slot
5555 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5557 * doc/contrib.texi: Update my entry.
5559 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5561 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5563 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5565 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5568 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5570 * doc/invoke.texi (-floop-optimize2): Removed.
5571 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5572 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5573 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5574 * common.opt (floop-optimize2): Removed.
5575 (fmove-loop-invariants): Enabled by default.
5577 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5579 * tree-if-conv.c (combine_blocks): Free the result of
5580 get_loop_exit_edges.
5582 2006-02-10 Jeff Law <law@redhat.com>
5584 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5586 PR tree-optimization/26213
5587 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5588 loop trying to follow SSA_NAME_VALUE chains.
5590 2006-02-10 Richard Guenther <rguenther@suse.de>
5592 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5593 deal with structures that end in implicitly variable sized arrays.
5595 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5597 PR rtl-optimization/24762
5598 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5601 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5603 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5604 (struct ivopts_data): Add regs_used field.
5605 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5606 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5607 instead of loop_data->regs_used;
5608 (free_loop_data): Do not free aux fields for loops.
5609 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5610 and tree_ssa_iv_optimize_finalize.
5612 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5614 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5616 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5619 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5620 computing the effective result type.
5622 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5625 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5626 (tree_overlaps_hard_reg_set): Declare.
5627 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5628 type and signature to match function type expected by walk_tree.
5629 (tree_overlaps_hard_reg_set): New function.
5630 (decl_conflicts_with_clobbers_p): Rename to:
5631 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5632 Use tree_overlaps_hard_reg_set. Changed caller.
5633 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5634 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5635 * cris.c (cris_md_asm_clobbers): Likewise.
5637 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5639 * reload1.c (emit_input_reload_insns): Delete code that tries to
5640 inherit using find_equiv_reg.
5642 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5644 * c-common.h (flag_const_strings): Don't declare.
5645 * c-common.c (flag_const_strings): Remove.
5646 * c.opt (fconst_strings): Remove.
5647 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5648 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5649 (c_common_init_options): Don't set flag_const_strings.
5650 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5652 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5654 * arm.md (tlobits_cbranch): New pattern.
5655 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5656 testing a single bit.
5658 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5661 * tree-ssa-pre.c (create_component_ref_by_pieces):
5662 Handle RETURN_DECL like VAR_DECL.
5664 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5667 * fold-const.c (fold_indirect_ref_1): Fold
5668 "*(foo *)&complexfoo" to "__real__ complexfoo"
5669 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5671 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5673 * tree-flow-inline.h (var_can_have_subvars):
5674 Volatile variables should not have subvariables.
5676 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5679 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5680 multiplying unsigned values.
5683 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5685 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5687 2006-02-08 Jason Merrill <jason@redhat.com>
5690 * tree.def: Elaborate on difference from MODIFY_EXPR.
5691 * doc/c-tree.texi (INIT_EXPR): Likewise.
5692 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5693 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5694 (gimplify_target_expr): Likewise.
5695 (gimplify_cond_expr): Remove target handling.
5696 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5697 (gimplify_expr): Clobber it here.
5698 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5699 Do return slot optimization if we have an INIT_EXPR.
5702 * tree-inline.c (declare_return_variable): Also clear
5703 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5706 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5709 * gimplify.c (gimplify_one_sizepos): Fix typo.
5711 2006-02-08 Jeff Law <law@redhat.com>
5713 PR tree-optimization/21417
5714 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5715 across a backedge if the control statement at the end of the
5716 block is data dependent on other statements in the same block.
5717 (record_temporary_equivalences_from_stmts): Remove over-conservative
5718 test for threading across backedges.
5720 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5721 control statement, handle all three special cases in the same
5722 manner as they all have the same desired solution. No longer
5723 special case edge flag updating when the post dominator is
5726 2006-02-08 Roger Sayle <roger@eyesopen.com>
5728 * tree.def (CHAR_TYPE): Remove.
5729 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5730 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5731 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5732 (gen_string_type_die): Delete unreachable function.
5734 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5735 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5736 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5737 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5738 * builtins.c (type_to_class): Likewise.
5739 * fold-const.c (fold_convert, build_range_check,
5740 merge_ranges): Likewise.
5741 * expr.c (count_type_elements): Likewise.
5742 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5743 * stor-layout.c (layout_type): Likewise.
5744 * ipa-type-escape.c (type_to_consider): Likewise.
5745 * gimplify.c (omp_firstprivatize_type_sizes,
5746 gimplify_type_sizes): Likewise.
5747 * explow.c (promote_mode): Likewise.
5748 * tree-sra.c (is_sra_scalar_type): Likewise.
5749 * varasm.c (output_constant): Likewise.
5750 * tree-inline.c (remap_type_1): Likewise.
5751 * convert.c (convert_to_pointer, convert_to_real,
5752 convert_to_integer, convert_to_complex): Likewise.
5754 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5756 * df-scan.c (df_def_record_1): A set destination may
5757 be a parallel regardless of mode.
5759 2006-02-08 Roger Sayle <roger@eyesopen.com>
5762 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5763 * config/mips/_tilib.c: Remove.
5764 * config/fixtfdi.c: New libgcc source file.
5765 * config/fixunstfdi.c: New source file.
5766 * config/floatditf.c: New source file.
5767 * config/floatunditf.c: New souce file.
5768 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5769 files above instead of config/mips/_tilib.c.
5770 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5772 2006-02-08 Jeff Law <law@redhat.com>
5774 PR tree-optimization/26169
5775 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5778 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5780 * df.h (DF_REG_SIZE): Return the length of the initialized
5783 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5785 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5786 __muldf3): Return a correctly signed zero.
5788 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5790 * passes.c (register_one_dump_file): Accept the current properties
5791 instead of pass number. Adjust call to dump_register. Remove
5793 (register_dump_files): Now a wrapper around...
5794 (register_dump_files_1): ... this one. Do not modify the pass
5796 (next_pass_1): Cosmetic fix.
5797 (execute_todo): Keep second parameter only. Use curr_properties
5798 instead of fetching it from the pass structure. Check and set
5800 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5801 instead of fetching it from the pass structure. Fix calls to
5802 execute_todo. Update curr_properties and initialize .vcg RTL dump
5803 after running the pass. Reset last_verified.
5804 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5806 (FIRST_AUTO_NUMBERED_DUMP): New.
5807 (dump_register): Remove "num" parameter, assign it within the
5809 (get_dump_file_name): Modify template for dumps.
5810 * tree-dump.h (dump_register): Adjust prototype.
5811 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5812 (PROP_trees): Add PROP_gimple_lomp.
5813 (TODO_set_props): New.
5814 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5815 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5816 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5818 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5820 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5821 (sparc64-*-linux*): Likewise.
5822 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5823 * config/sparc/t-linux: New file.
5824 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5825 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5826 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5827 -m32 -mlong-double-128.
5829 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5830 * config/alpha/t-linux: New file.
5831 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5833 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5834 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5835 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5836 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5837 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5838 (CPP_ARCH32_SPEC): Remove.
5840 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5842 PR tree-optimization/26145
5843 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5846 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5849 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5850 >= 240000 when generating code for SOM runtime.
5851 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5852 to $$dyncall when generating code for SOM runtime..
5854 2006-02-07 Dirk Mueller <dmueller@suse.com>
5857 * doc/invoke.texi (-Wsequence-point): Update documentation
5858 that -Wsequence-point is implemented for C++ as well.
5860 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5862 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5863 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5864 (LIB_SPEC): Likewise.
5865 * doc/invoke.texi (SPARC options): Document -pthread.
5867 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5869 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5872 2006-02-07 Roger Sayle <roger@eyesopen.com>
5874 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5875 Correct comment describing BOOLEAN_TYPE.
5877 2006-02-07 Dirk Mueller <dmueller@suse.com>
5879 * c.opt: C++ frontend supports -Wdiv-by-zero.
5880 * c-opts.c (c_common_handle_option): Remove dead case.
5882 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5884 * configure.ac (TLS assembler check): Do not enable TLS by
5885 default on SPARC/Solaris before version 10.
5886 * configure: Regenerate.
5888 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5890 * doc/invoke.texi (xl-compat): Document conversion and support
5893 2006-02-07 Jeff Law <law@redhat.com>
5895 * tree-vrp.c (find_conditional_asserts): Update comments.
5896 (simplify_stmt_for_jump_threading): New.
5897 (identify_jump_threads, finalize_jump_threads): New.
5898 (vrp_finalize): Call identify_jump_threads.
5899 (execute_vrp): Call finalize_jump_threads.
5900 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5901 (vrp_element, vrp_data, vrp_element_p): Remove.
5902 (vrp_hash_elt, vrp_variables_stack): Remove.
5903 (vrp_hash, vrp_eq, record_range): Remove.
5904 (simplify_cond_and_lookup_avail_expr): Remove.
5905 (extract_range_from_cond): Remove.
5906 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5907 (simplify_stmt_for_jump_threading): New.
5908 (dom_thread_across_edge): New wrapper.
5909 (tree_ssa_dominator_optimize): No longer initialize or
5910 finalize any of the VRP datastructures. Remove iteration
5911 step and simplify as a result of removal of iteration step.
5912 (pass_dominator): Perform a cfg cleanup after DOM.
5913 (dom_opt_finalize_block): Use the new common routines
5914 for threading jumps. Simplify stack management slightly.
5915 No longer need to unwind VRP state.
5916 (record_equivalences_from_incoming_edge): No longer record
5918 (eliminate_redundant_computations): No longer call
5919 simplify_cond_and_lookup_avail_expr.
5920 * tree-flow.h (potentially_threadable_block): Prototype.
5921 (thread_across_edge): Likewise.
5922 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5923 (tree-ssa-threadedge.o): Add dependencies.
5924 * tree-ssa-threadedge.c: New file.
5925 * passes.c (init_optimization_passes): Merge PHIs before
5926 calling VRP. Run VRP again late in the SSA optimization pipeline.
5928 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5930 * df-core.c (df_set_blocks): Do not dereference function pointers.
5931 (df_finish1): Likewise.
5932 (df_hybrid_search_forward): Likewise.
5933 (df_hybrid_search_backward): Likewise.
5934 (df_iterative_dataflow): Likewise.
5935 (df_analyze_problem): Likewise.
5936 (df_compact_blocks): Likewise.
5937 (df_dump): Likewise.
5938 * df-scan.c (df_rescan_blocks): Likewise.
5939 (df_record_entry_block_defs): Likewise.
5941 * genconditions.c (write_conditions): Guard the definition of
5942 'insn_conditions' with the check on GCC version.
5943 (write_writer): Guard the traversal 'insn_conditions' with
5944 the check on GCC version.
5946 2006-02-07 Richard Guenther <rguenther@suse.de>
5950 2006-01-30 Richard Guenther <rguenther@suse.de>
5952 * gimplify.c (gimplify_target_expr): Handle easy cases
5953 without creating a temporary.
5955 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5957 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5958 use of float in probability computations. Use edge probabilities
5959 in place of statically computed probabilities.
5960 (min_spec_prob): New static variable.
5961 (schedule_insns): Initialize it.
5962 (GET_SRC_PROB): Removed.
5963 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5965 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5968 * config/ia64/unwind-ia64.c: Revert last change.
5969 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5970 (INCOMING_FRAME_SP_OFFSET): Define.
5972 2006-02-06 Roger Sayle <roger@eyesopen.com>
5974 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5976 2006-02-07 Ben Elliston <bje@au.ibm.com>
5978 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5979 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5980 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5981 (ix86_return_in_memory): Handle TDmode.
5982 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5983 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5985 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5987 * reorg.c (dbr_schedule): Use dump_file instead of file.
5989 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5992 * config/ia64/predicates.md (extr_len_operand): New predicate.
5993 * config/ia64/ia64.md (extv): Tighten constraints.
5995 (*tbit_and_2): Ditto.
5996 (*tbit_and_3): Ditto.
5997 (*tbit_or_2): Ditto.
5998 (*tbit_or_3): Ditto.
6002 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6005 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6007 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6009 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6010 loop_optimizer_init and loop_optimizer_finalize
6011 * tree-ssa-sink.c (execute_sink_code): Ditto.
6012 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6013 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6014 tree_ssa_loop_done): Ditto.
6015 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6016 * sched-ebb.c: Include output.h.
6017 (schedule_ebbs): Do not use dump argument.
6018 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6019 * loop.c (loop_dump_stream): Removed.
6020 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6022 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6023 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6024 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6025 loop_iterations, strength_reduce, record_biv, record_giv,
6026 final_giv_value, check_final_value, check_ext_dependent_givs,
6027 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6028 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6029 dump_file instead of loop_dump_stream.
6030 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6032 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6034 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6035 * haifa-sched.c: Include output.h
6036 (schedule_insns, sched_init): Do not use dump argument.
6037 * mode-switching.c (optimize_mode_switching): Ditto.
6038 * modulo-sched.c (stats_file): Removed.
6039 (print_node_sched_params): Do not call argument dump_file.
6040 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6041 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6043 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6045 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6046 rtl_loop_init, rtl_loop_done): Ditto.
6047 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6048 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6050 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6051 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6052 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6053 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6054 * emit-rtl.c (renumber_insns): Ditto.
6055 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6056 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6057 * regclass.c (regclass): Ditto.
6058 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6059 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6060 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6061 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6063 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6064 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6066 * gcse.c (gcse_file, debug_stderr): Removed.
6067 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6068 rest_of_handle_gcse): Do not use dump argument.
6069 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6070 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6071 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6072 compute_code_hoist_vbeinout, compute_code_hoist_data,
6073 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6074 compute_store_table, build_store_vectors, insert_insn_start_bb,
6075 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6076 store_motion): Use dump_file instead of gcse_file.
6077 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6078 * profile.c (profile_dump_file): Removed.
6079 (branch_prob): Use dump_file instead of profile_dump_file.
6080 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6082 * tree-ssa-copy.c (dump_copy_of): Ditto.
6083 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6084 dump file to life_analysis.
6085 * bt-load.c (branch_target_load_optimize): Ditto.
6086 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6088 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6089 regclass, dbr_schedule): Declaration changed.
6090 * sched-int.h (sched_init): Declaration changed.
6091 * tree-profile.c (tree_profile_dump_file): Removed.
6092 (tree_profile_hooks): Removed profile_dump_file hook.
6093 * rtl-profile (rtl_profile_dump_file): Removed.
6094 (rtl_profile_hooks): emoved profile_dump_file hook.
6095 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6097 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6098 * tree-cfg.c (build_tree_cfg): Ditto.
6099 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6100 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6101 Declaration changed.
6102 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6103 life_analysis and schedule_insns.
6104 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6106 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6108 * config/mips/mips.c (mips_reorg): Ditto.
6109 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6112 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6114 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6115 (s390_mangle_fundamental_type): New.
6116 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6119 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6120 (alpha_mangle_fundamental_type): New.
6121 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6124 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6126 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6128 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6129 (sparc_mangle_fundamental_type): New.
6131 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6133 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6134 (s390x-*-linux*): Likewise.
6135 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6136 * config/s390/t-linux: New file.
6138 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6140 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6141 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6143 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6145 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6146 (ANTIC_SAFE_LOADS): New macro.
6147 (find_or_generate_expression): Add prototype.
6148 (set_contains_value): Allow null set for sake of not always having
6149 to allocate ANTIC_SAFE_LOADS.
6150 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6151 Allow COMPONENT_REF too.
6152 (valid_in_set): Allow COMPONENT_REF.
6153 Check ANTIC_SAFE_LOADS too.
6154 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6155 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6157 (can_PRE_operation): Add COMPONENT_REF.
6158 (create_component_ref_by_pieces): New function.
6159 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6160 (insert_aux): Move AGGREGATE_TYPE_P check here.
6161 (compute_avail): Set bb local stmt uids.
6162 (pass_pre): Use TODO_update_ssa_only_virtuals.
6164 2006-02-06 Ben Elliston <bje@au.ibm.com>
6166 * configure.ac: Unconditionally disable decimal float by default.
6167 * configure: Regenerate.
6169 2006-02-06 Ben Elliston <bje@au.ibm.com>
6171 * read-rtl.c (read_name): Terminate reading on EOF.
6173 2006-02-06 Ben Elliston <bje@au.ibm.com>
6175 * dfp.c (decimal_real_arithmetic): Change second argument type
6176 from int to enum tree_code. Do not always return true, but now
6177 return result of any call to decimal_do helper functions.
6178 * dfp.h (decimal_real_arithmetic): Update prototype.
6180 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6182 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6184 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6187 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6190 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6192 * tree-vrp.c (cfg_loops): Removed.
6193 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6194 Use current_loops instead of cfg_loops. Pass flags to
6195 loop_optimizer_init.
6196 * cfgloopmanip.c (fix_loop_structure): Update only available
6198 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6199 loop_optimizer_init.
6200 * modulo-sched.c (build_loops_structure): Removed.
6201 (sms_schedule): Use loop_optimizer_init.
6202 * loop-init.c (loop_optimizer_init): Use flags to determine
6203 which properties of loops to prepare.
6204 (rtl_loop_init): Pass flags to loop_optimizer_init.
6205 * tree-ssa-sink.c (execute_sink_code): Ditto.
6206 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6207 * tree-ssa-pre.c (init_pre): Ditto.
6208 * cfgloop.h (LOOPS_NORMAL): New.
6209 (loop_optimizer_init): Declaration changed.
6211 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6213 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6214 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6216 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6218 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6220 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6221 * pa/t-pa64: Delete quadlib.c rule.
6222 * pa/x-ada: Revert last change.
6223 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6225 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6227 PR rtl-optimization/26087
6228 * rtlanal.c (canonicalize_condition): Do not cross basic block
6231 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6234 * config/ia64/ia64.c: Include debug.h.
6235 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6236 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6237 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6238 (process_epilogue, process_set, process_for_unwind_directive):
6239 Output unwind info only if requested. Add CFA info if requested.
6240 Add new arguments as needed. Adjust callers.
6241 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6243 (DWARF2_FRAME_INFO): Define to zero.
6244 * config/ia64/unwind-ia64.c: Remove code that compensated for
6245 the CFA offset error fixed above.
6246 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6247 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6248 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6249 -funwind-tables and -fexceptions to enable frame info.
6250 (dwarf2out_frame_init): Define initial CFA even if
6251 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6252 DWARF2_UNWIND_INFO is nonzero, not just defined.
6253 (dwarf2out_frame_finish): Output non-EH call frame info only
6254 if DWARF2_FRAME_INFO is nonzero.
6255 (convert_cfa_to_loc_list,
6256 compute_frame_pointer_to_cfa_displacement): Define even if
6257 unwind info is not supported.
6258 (gen_subprogram_die): Use the above unconditionally. Remove
6259 legacy alternate code.
6260 * toplev.c (compile_file): Compile in call to
6261 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6262 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6264 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6265 Jakub Jelinek <jakub@redhat.com>
6267 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6268 IBM extended float format long double as "g" on powerpc*-linux.
6270 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6273 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6274 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6276 2006-02-03 Jason Merrill <jason@redhat.com>
6279 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6282 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6283 on the return slot if it's an NRV.
6285 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6287 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6288 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6289 rewrite_use): Do not handle USE_OUTER.
6290 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6291 add_iv_outer_candidates, may_replace_final_value,
6292 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6293 (find_interesting_uses_op): Functionality of
6294 find_interesting_uses_outer_or_nonlin moved here.
6295 (find_interesting_uses_outside): Use find_interesting_uses_op.
6297 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6300 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6302 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6303 Ulrich Weigand <uweigand@de.ibm.com>
6306 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6307 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6308 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6309 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6311 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6312 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6313 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6314 Define secondary reloads for TFmode moves.
6315 (constant_modes): Add TFmode.
6316 (NR_C_MODES): Set to 8.
6317 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6319 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6320 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6321 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6322 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6323 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6324 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6325 (FPR mode macro): Add TFmode.
6326 (DSF mode macro): New.
6327 (<de>, <dee> mode attributes): Removed.
6328 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6329 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6330 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6331 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6332 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6333 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6334 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6335 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6336 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6337 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6338 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6339 "*negabs<mode>2", "sqrt<mode>2"):
6340 Changed <de> to <xde>. R constraint replaced by <Rf>.
6341 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6343 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6344 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6345 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6347 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6348 "extenddftf2", "extendsftf2"): New expanders.
6349 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6350 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6351 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6352 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6354 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6355 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6356 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6357 __floatditf): Add a GCC_4.1.0 symbol version tag.
6358 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6361 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6364 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6365 Use targetm.binds_local_p instead of TREE_PUBLIC.
6367 2006-02-02 Roger Sayle <roger@eyesopen.com>
6369 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6370 on INTEGER_TYPEs to indicate that it denotes a character type.
6371 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6372 signed_char_type_node, unsigned_char_type_node and char_type_node.
6373 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6374 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6375 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6377 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6378 Daniel Berlin <dberlin@dberlin.org>
6380 * tree-tailcall.c (arg_needs_copy_p): New function.
6381 (eliminate_tail_call): Use arg_needs_copy_p.
6382 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6383 (add_virtual_phis): New function.
6385 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6387 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6388 #ignore instead of #scratch for %g7 .register directive.
6390 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6392 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6395 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6397 * flow.c (calculate_global_regs_live): Assert that there aren't any
6400 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6402 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6404 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6405 bsi_after_labels iterator.
6406 * tree-if-conv.c (find_phi_replacement_condition,
6407 replace_phi_with_cond_modify_expr): Likewise.
6408 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6409 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6411 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6413 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6415 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6418 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6419 array after growing it.
6421 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6424 * fold-const.c (fold_checksum_tree): Change type of buf.
6426 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6428 * reload.c (push_secondary_reload): Initialize t_icode.
6430 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6432 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6433 -msoft-float -mlong-double-128 only issue a warning, but don't
6434 swich to DFmode long double.
6436 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6438 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6439 has a constant equivalent, iterate over equivalents for arg0,
6440 calling simplify_relational_operation and if there's a result
6441 cheaper than X, apply fold_rtx and return the result.
6443 2006-02-01 Jan Hubicka <jh@suse.cz>
6445 * opts.c (no_unit_at_a_time_default): New global variable.
6446 (decode_options): Use it.
6447 * opts.h (no_unit_at_a_time_default): Declare.
6449 2006-02-01 Paul Brook <paul@codesourcery.com>
6451 * function.c (assign_parm_setup_reg): Use function argument promotion
6453 * expr.c (expand_expr_real_1): Use function argument promotion rules
6456 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6458 * gcc.c (process_command): Change j to 'unsigned int'.
6460 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6463 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6464 Use the corrected index for the character
6465 out of the string constant.
6467 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6469 * mode-switching.c (optimize_mode_switching): Fix size
6470 allocated for bb_info[n_entities].
6472 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6474 * gcc.c (main): Correct type that is allocated for
6475 explicit_link_files.
6477 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6479 * config/s390/s390.c (init_alignment_context): Set
6480 ALIAS_SET_MEMORY_BARRIER on the MEM.
6481 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6483 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6486 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6488 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6491 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6493 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6494 * regrename.c: Ditto.
6495 * tree-ssa-loop-im.c: Ditto.
6496 * tree-dump.c: Ditto.
6497 * tree-complex.c: Ditto.
6498 * genrecog.c: Ditto.
6499 * tree-ssa-threadupdate.c: Ditto.
6501 * java/class.c: Ditto.
6502 * java/jcf-parse.c: Ditto.
6503 * java/resource.c: Ditto.
6504 * java/except.c: Ditto.
6505 * java/jvspec.c: Ditto.
6506 * java/jcf-write.c: Ditto.
6507 * java/jcf-path.c: Ditto.
6508 * java/gjavah.c: Ditto.
6509 * java/zextract.c: Ditto.
6510 * java/jcf-io.c: Ditto.
6511 * java/jcf.h: Ditto.
6512 * java/buffer.c: Ditto.
6513 * java/lang.c: Ditto.
6514 * java/parse-scan.y: Ditto.
6515 * java/lex.c: Ditto.
6516 * java/lex.h: Ditto.
6517 * cfgloopmanip.c: Ditto.
6518 * postreload-gcse.c: Ditto.
6519 * tree-ssa-loop-manip.c: Ditto.
6520 * postreload.c: Ditto.
6521 * tree-ssa-loop-ch.c: Ditto.
6525 * diagnostic.c: Ditto.
6527 * genoutput.c: Ditto.
6529 * cfghooks.c: Ditto.
6530 * cfgloopanal.c: Ditto.
6531 * objc/objc-act.c: Ditto.
6533 * genextract.c: Ditto.
6534 * genautomata.c: Ditto.
6535 * pretty-print.c: Ditto.
6537 * cgraphunit.c: Ditto.
6540 * haifa-sched.c: Ditto.
6541 * dominance.c: Ditto.
6543 * tree-ssa-loop-ivopts.c: Ditto.
6545 * mode-switching.c: Ditto.
6546 * modulo-sched.c: Ditto.
6548 * ipa-pure-const.c: Ditto.
6550 * fix-header.c: Ditto.
6552 * tree-stdarg.c: Ditto.
6553 * ipa-utils.c: Ditto.
6554 * loop-init.c: Ditto.
6555 * ipa-inline.c: Ditto.
6558 * alloc-pool.c: Ditto.
6559 * dwarf2out.c: Ditto.
6561 * genattrtab.c: Ditto.
6562 * tree-ssa-loop-ivcanon.c: Ditto.
6566 * fortran/gfortranspec.c: Ditto.
6568 * local-alloc.c: Ditto.
6569 * langhooks.c: Ditto.
6570 * function.c: Ditto.
6571 * tree-vectorizer.c: Ditto.
6573 * ipa-type-escape.c: Ditto.
6575 * tree-if-conv.c: Ditto.
6578 * tree-data-ref.c: Ditto.
6579 * loop-unroll.c: Ditto.
6580 * treelang/treetree.c: Ditto.
6583 * ggc-common.c: Ditto.
6585 * coverage.c: Ditto.
6587 * tree-cfgcleanup.c: Ditto.
6588 * tree-ssa-pre.c: Ditto.
6589 * cfgcleanup.c: Ditto.
6590 * loop-invariant.c: Ditto.
6592 * ipa-prop.c: Ditto.
6593 * print-tree.c: Ditto.
6594 * conflict.c: Ditto.
6595 * ggc-page.c: Ditto.
6596 * sched-deps.c: Ditto.
6597 * regclass.c: Ditto.
6598 * tree-object-size.c: Ditto.
6600 * bb-reorder.c: Ditto.
6601 * resource.c: Ditto.
6602 * var-tracking.c: Ditto.
6604 * df-problems.c: Ditto.
6605 * reg-stack.c: Ditto.
6608 * sched-rgn.c: Ditto.
6609 * tree-ssa-structalias.c: Ditto.
6610 * tree-ssa-reassoc.c: Ditto.
6611 * config/darwin-c.c: Ditto.
6612 * config/darwin.c: Ditto.
6613 * config/arm/arm.c: Ditto.
6615 * collect2.c: Ditto.
6618 2006-01-31 Nicolas Pitre <nico@cam.org>
6620 * arm.md (smaxsi3): Make aware of smax_m1.
6623 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6625 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6627 2006-01-31 Richard Guenther <rguenther@suse.de>
6629 * doc/invoke.texi (-msselibm): Document.
6630 * target.h (expand_library_builtin): New target hook.
6631 * builtins.c (expand_builtin): Use expand_library_builtin.
6632 (default_expand_library_builtin): New function.
6633 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6634 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6635 (link_gcc_math_spec): Declare.
6636 (static_specs): Add link_gcc_math_spec.
6637 * expr.h (default_expand_library_builtin): Declare.
6638 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6639 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6640 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6641 * config/i386/i386.opt (msselibm): New target option.
6642 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6643 (ix86_init_sse_abi_builtins): New function.
6644 (ix86_expand_library_builtin): Likewise.
6645 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6646 (override_options): Handle error conditions wrt -msselibm.
6647 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6648 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6649 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6652 2006-01-31 Richard Guenther <rguenther@suse.de>
6653 Paolo Bonzini <bonzini@gnu.org>
6655 * doc/install.texi (--disable-libgcc-math): Document.
6657 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6659 * expr.h (expand_normal): new inline function.
6660 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6662 * dwarf2out.c: use it.
6667 * config/sparc/sparc.c: use it.
6668 * config/i386/i386.c: use it.
6669 * config/rs6000/rs6000.c: use it.
6670 * config/arm/arm.c: use it.
6671 * config/mips/mips.c: use it.
6672 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6674 2006-01-30 Roger Sayle <roger@eyesopen.com>
6676 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6677 argv to the appropriate type.
6679 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6681 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6684 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6687 * config/s390/s390.c (struct machine_function): New flag
6688 decomposed_literal_pool_addresses_ok_p.
6689 (s390_reorg): Set it before final stage of literal pool transforms.
6690 (s390_decompose_address): Only accept displacements of the form
6691 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6693 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6695 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6696 the comparison routine return.
6698 2006-01-30 Michael Matz <matz@suse.de>
6700 * global.c (find_reg): Only evict for global regs.
6701 Take n_refs into account and dump more info.
6703 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6706 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6707 (pragma_trap, pragma_nosave_low_regs): Likewise.
6708 (current_function_anonymous_args): Likewise.
6709 (sh_deferred_function_attributes): New variable.
6710 (sh_deferred_function_attributes_tail): Likewise.
6711 (print_operand): For '@', look up trap_exit attribute.
6712 (calc_live_regs): Look up trapa_handler attribute. For trapa
6713 handlers, save/restore fpscr, but don't do any other
6714 interrupt-specific saves.
6715 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6716 Fix check for partially saved registers to check for SHmedia.
6717 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6718 (sh_output_function_epilogue): Don't clear any of the removed
6720 (sh_insert_attributes): Don't check pragma_interrupt.
6721 Insert deferred attributes. Check that interrupt attribute is
6722 present for other attributes that require its presence.
6723 (sh_attribute_table): Add new attributes trapa_handler and
6725 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6726 Don't check for pragma_interrupt. Don't store argument.
6727 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6728 (sh_deferred_function_attributes): Declare.
6729 (sh_deferred_function_attributes_tail): Likewise.
6730 * sh.md (sp_switch_1): Add operand. Change generator caller.
6731 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6732 (*return_i): Don't use when trap_exit attribute is in effect.
6733 (*return_trapa): New insn pattern.
6735 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6736 setting c_target_objs and cxx_target_objs.
6737 * t-sh: Add rule for sh-c.o.
6739 2006-01-30 Richard Guenther <rguenther@suse.de>
6742 * gimplify.c (gimplify_target_expr): Handle easy cases
6743 without creating a temporary.
6745 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6747 * vec.h (safe_grow): Remove duplicated line.
6749 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6752 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6753 (expand_omp): ... here.
6754 (expand_omp_parallel): Only remove barriers for combined
6755 parallel+workshare constructs.
6757 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6761 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6762 * tree.c (build_qualified_type): Chain the new type to the original
6763 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6764 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6765 (build_pointer_type_for_mode): Only return unqualified types.
6766 (build_reference_type_for_mode): Likewise.
6768 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6770 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6771 * Makefile.in (CXX_COMPAT_WARN): Define.
6772 * configure: Regenerate.
6774 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6777 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6780 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6782 * toplev.c: Fix thinko.
6784 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6785 Marcin Dalecki <martin@dalecki.de>
6787 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6788 (push_srcloc): Use XNEW.
6789 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6791 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6793 * df-core.c (df_set_blocks): Deleted all variable.
6795 2006-01-28 Ian Lance Taylor <ian@airs.com>
6797 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6798 cgraph_output_pending_asms.
6800 2006-01-28 Zack Weinberg <zackw@panix.com>
6802 * c.opt: Add -W(no-)overlength-strings.
6803 * doc/invoke.texi: Document it.
6804 * c-opts.c (c_common_handle_option): -pedantic implies
6805 -Woverlength-strings, if not explicitly disabled already.
6806 (c_common_post_options): -Woverlength-strings defaults to off, and
6807 is always off for C++.
6808 * c-common.c (fix_string_type): Issue warning about strings longer
6809 than is portable only if warn_overlength_strings. Rearrange code
6810 a little for clarity.
6811 * configure.in: Check for -Wno-overlength-strings as well before
6812 enabling -pedantic in stage 1.
6813 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6814 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6816 * genconditions.c (write_header, write_one_condition)
6817 (write_conditions, write_writer): Consolidate very long strings
6818 that were broken up to fit in C89 portable limit. Don't use
6819 printf when fputs will do.
6821 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6823 * combine.c (simplify_comparison <AND>): Check
6824 TRULY_NOOP_TRUNCATION before start using a subreg.
6826 * config/mips/mips.md (*branch_zero<mode>,
6827 *branch_zero<mode>_inverted, *branch_equality<mode>,
6828 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6829 Remove mode check from comparisons.
6831 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6833 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6835 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6837 * expmed.c (const_mult_add_overflow_p): Remove.
6838 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6840 * recog.c (validate_replace_rtx_subexp): Remove.
6841 * recog.h: Remove the prototype for
6842 validate_replace_rtx_subexp.
6844 * integrate.h: Remove the prototype for
6845 copy_decl_for_inlining.
6846 * rtl.h: Remove the prototype for mark_constant_function.
6847 * tree-vectorizer.h: Remove the prototype for
6848 vect_strip_conversion.
6850 * modulo-sched.c (create_partial_schedule,
6851 free_partial_schedule, reset_partial_schedule): Make them
6854 * hooks.c (hook_bool_rtx_int_false): Remove.
6855 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6857 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6859 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6860 and -mlong-double-128 are incompatible.
6861 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6862 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6863 (TARGET_LIBGCC2_CFLAGS): Define.
6864 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6865 (TARGET_LIBGCC2_CFLAGS): Same.
6866 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6868 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6871 * c-typeck.c (build_binary_op): Perform implicit casts of
6872 operands before shortening them.
6874 * cfgloopmanip.c (split_loop_bb): Remove.
6875 * cfgloop.h: Remove the prototype for split_loop_bb.
6877 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6878 * cfgloop.h: Remove the prototype for
6879 flow_loop_outside_edge_p.
6881 * emit-rtl.c (init_virtual_regs): Make it static.
6882 * function.h: Remove the prototype for init_virtual_regs.
6884 * recog.c (peephole2_optimize): Make it static.
6885 * recog.h: Remove the prototype for peephole2_optimize.
6887 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6889 * df-scan.c (df_record_entry_block_defs): Check if
6890 INCOMING_RETURN_ADDR_RTX is defined.
6892 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6893 Kenneth Zadeck <zadeck@naturalbridge.com>
6895 PR rtl-optimization/24762
6896 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6897 * targhooks.c (hook_void_bitmap): New hook prototype.
6898 * targhoohs.h (hook_void_bitmap): Ditto.
6899 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6900 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6901 * target.h (live_on_entry): New function pointer.
6902 * df-scan.c (df_all_hard_regs): Removed.
6903 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6904 (df_scan_free_internal): Added df->entry_block_defs.
6905 (df_scan_alloc): Ditto.
6906 (df_scan_dump): Ditto.
6907 (df_uses_record): Plumbed flag field properly thru calls.
6908 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6909 This part fixes PR24762.
6910 (df_bb_refs_record): Added code to make the frame and arg
6911 pointers live in EH blocks.
6912 (df_refs_record): Added call to df_record_entry_block_defs.
6913 (df_record_entry_block_defs): New function.
6914 * df-core.c: Added comments to describe new artifical defs.
6915 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6916 (entry_block_defs): New field in struct df.
6917 (df_all_hard_regs): Deleted.
6918 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6919 * df-problems.c (df_ru_bb_local_compute_process_def):
6920 Added code to handle artifical defs in the entry to a function.
6921 (df_ru_bb_local_compute): Ditto.
6922 (df_rd_bb_local_compute_process_def): Ditto.
6923 (df_rd_bb_local_compute): Ditto.
6924 (df_lr_bb_local_compute): Ditto.
6925 (df_ur_bb_local_compute): Ditto.
6926 (df_urec_bb_local_compute): Ditto.
6927 (df_chain_create_bb): Ditto.
6928 (df_ur_local_finalize): Removed entry.
6929 (df_urec_init): Ditto.
6930 (df_urec_local_finalize): Ditto.
6931 (df_ri_bb_compute): Added detection of last use of pseudos.
6932 * Makefile.in (df-scan.o): Updated dependencies.
6933 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6934 * config/mips/mips.c (mips_set_live_on_entry): Added.
6935 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6937 * dce.c (marked_insn_p): Added code to handle artifical defs.
6939 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6941 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6943 (_mm_cvtsi128_si64): Likewise.
6944 (_mm_cvtsd_si64): Likewise.
6945 (_mm_cvttsd_si64): Likewise.
6946 (_mm_cvtsi64_sd): Likewise.
6947 (_mm_cvtsi64_si128): Likewise.
6948 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6949 (_mm_cvtsi64_m64): Likewise.
6950 (_m_to_int64): Likewise.
6951 (_mm_cvtm64_si64): Likewise.
6952 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6953 (_mm_cvttss_si64): Likewise.
6954 (_mm_cvtsi64_ss): Likewise.
6955 (_mm_cvtss_f32): Likewise.
6957 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6959 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6960 for pragma redefine_extname.
6962 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6965 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6966 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6967 -mno-minimal-toc to previous content.
6968 (bispecs): Remove goal.
6969 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6970 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6971 compatibility aliases on powerpc-*-*gnu*.
6972 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6973 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6974 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6975 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6976 (ldblspecs): New goal.
6977 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6978 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6980 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6981 L_sf_to_tf or L_df_to_tf is defined.
6983 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6984 Alan Modra <amodra@bigpond.net.au>
6987 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6988 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6989 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6990 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6991 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6992 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6993 (rs6000_override_options): Initialize rs6000_ieeequad.
6994 Initialize TFmode format to ibm_extended_format if not
6996 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6998 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6999 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7000 (function_arg_advance): IBM long double passed in two FPRs, not
7002 (function_arg): IBM long double passed in FPRs.
7003 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7004 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7005 Only multireg GPR aligned.
7006 (rs6000_init_libfuncs): Enable IBM long double functions if not
7008 (rs6000_generate_compare): Use IBM long double compare if not
7010 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7011 (TARGET_IEEEQUAD): Define.
7012 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7013 not TARGET_IEEEQUAD.
7014 * config/rs6000/rs6000.md: Enable TFmode patterns if
7016 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7017 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7018 and -mlong-double-128 are incompatible.
7019 * doc/invoke.texi (-mabi): Collect options together. Add
7020 ibmlongdouble and ieeelongdouble.
7022 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7024 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7026 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7027 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7028 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7029 * rtl.h (rtunion_def): Remove rt_ptr.
7031 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7032 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7033 * config/i386/winnt.c (i386_pe_mark_dllexport)
7034 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7036 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7038 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7040 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7044 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7045 pthread_key_delete. From John David Anglin. gthrw-ify
7046 pthread_getunique_np only if it it's not a macro. Delete
7048 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7049 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7050 __gthread_objc_condition_signal, __gthread_key_delete): Add
7051 "__attribute__ ((__unused__))" to unused arguments.
7052 (__gthread_recursive_mutex_init_function): Add missing return.
7053 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7054 gthr-posix95.h: Use macro-based approach for name redirection
7055 on targets missing weakref.
7057 2006-01-26 Zack Weinberg <zackw@panix.com>
7059 * genconditions.c (write_header): In generated code, #ifdef out
7060 all includes and fake declarations, except includes of bconfig.h
7061 and system.h, unless GCC_VERSION >= 3001. Do not include
7062 gensupport.h in any case.
7063 (write_conditions): Generate a definition of struct c_test. Add
7064 a comment to the generated #endif.
7065 (write_one_condition): Escape backslashes in string too.
7066 (write_writer): Generated code must escape backslashes and quote
7067 marks (but not newlines) in the strings it writes.
7068 * Makefile.in (build/gencondmd.o): Update dependencies.
7070 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7073 * Makefile.in (insn-automata.o): Add header file dependencies.
7074 * genautomata.c: Add includes.
7076 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7079 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7081 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7083 * configure.ac: Expect target tools paths to be passed from the toplevel
7084 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7086 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7088 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7091 * c.opt (Wpointer-sign): Init to -1.
7092 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7093 OPT_pedantic, to 0 otherwise.
7094 * doc/invoke.texi: Update.
7096 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7098 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7099 constants provided by 80387 instructions in the destination mode.
7101 2006-01-26 Richard Guenther <rguenther@suse.de>
7102 Andrew Pinski <pinskia@physics.uc.edu>
7105 partial PR tree-opt/17064
7106 * tree-ssa-structalias.c (intra_create_variable_infos):
7107 Create heap variables for incoming parameters if
7108 flag_argument_noalias > 1.
7109 (find_what_p_points_to): Look through default defs of
7112 2006-01-26 Jeff Law <law@redhat.com>
7115 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7116 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7117 within the VR_RANGE, use the VR_RANGE as the result, not the
7119 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7120 bounds for the type.
7122 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7124 * tree-ssa-alias.c (maybe_create_global_var): Change
7125 subvar walking to an assertion that we don't have subvar'd variables.
7127 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7130 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7131 Use a new variable, inner. PARM_DECLs are always non-weak.
7133 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7135 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7138 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7140 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7142 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7144 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7145 (smax_insn, smin_insn, smax_0, smin_0): New.
7147 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7150 * config/cris/cris.c (cris_order_for_addsi3): New function.
7151 * config/cris/cris-protos.h: Prototype it.
7152 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7153 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7154 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7155 (split for "op.S1 [rx=rx+i],ry (swapped)")
7156 (split for "op(s|u).S1 [rx=rx+i],ry")
7157 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7158 Apply cris_order_for_addsi3 when generating addsi3 insns.
7160 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7162 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7163 (TREE_BLOCK): Add call to EXPR_CHECK.
7165 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7168 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7169 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7170 (dump_omp_clauses): ... here.
7171 (dump_generic_node): Handle OMP_CLAUSE.
7172 * tree.c (omp_clause_num_ops): New.
7173 (omp_clause_code_name): New.
7174 (tree_code_size): Handle OMP_CLAUSE.
7175 (tree_size): Likewise.
7176 (make_node): Document handling of OMP_CLAUSE.
7177 (tree_node_structure): Handle OMP_CLAUSE.
7178 (omp_clause_check_failed): New.
7179 (omp_clause_range_check_failed): New.
7180 (omp_clause_operand_check_failed): New.
7181 (build_omp_clause): New.
7182 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7183 * tree.h (enum omp_clause_code): Declare.
7184 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7185 (OMP_CLAUSE_RANGE_CHECK): Define.
7186 (OMP_CLAUSE_ELT_CHECK): Define.
7187 (omp_clause_check_failed): Declare.
7188 (omp_clause_operand_check_failed): Declare.
7189 (omp_clause_range_check_failed): Declare.
7190 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7191 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7192 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7193 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7194 (OMP_CLAUSE_IF_EXPR): Likewise.
7195 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7196 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7197 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7198 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7199 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7200 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7201 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7202 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7203 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7204 (OMP_CLAUSE_CODE): Define.
7205 (OMP_CLAUSE_SET_CODE): Define.
7206 (OMP_CLAUSE_CODE): Define.
7207 (OMP_CLAUSE_OPERAND): Define.
7208 (struct tree_omp_clause): Declare.
7209 (union tree_node): Add field 'omp_clause'.
7210 * treestruct.def (TS_OMP_CLAUSE): Define.
7211 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7212 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7213 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7214 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7215 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7216 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7217 (OMP_CLAUSE): Define.
7218 * print-tree.c (print_node): Handle OMP_CLAUSE.
7219 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7220 * c-typeck.c: Likewise.
7221 * gimplify.c: Likewise.
7222 * c-omp.c: Likewise.
7223 * tree-nested.c: Likewise.
7224 * tree-inline.c: Likewise.
7225 * c-parser.c: Likewise.
7226 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7229 2006-01-25 Roger Sayle <roger@eyesopen.com>
7231 PR rtl-optimization/25703
7232 * combine.c (try_combine): Handle zero_extract and strict_low_part
7233 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7235 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7237 * global.c: Fix comment typos.
7239 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7242 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7243 Use output_addr_const instead of assemble_name.
7245 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7247 * Makefile.in (sched-vis.o): Update dependencies.
7248 * haifa-sched.c (sched_finish): Clear current_sched_info.
7249 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7250 (dump_flow_info): Call it.
7251 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7253 * basic-block.h (dump_bb_info): Declare.
7254 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7255 option, and apply options only for dump files whose TDF_RTL,
7256 TDF_TREE, or TDF_IPA bits match.
7257 * rtl.h: Declare new functions exported from sched-vis.c.
7258 * sched-vis.c: Enable also if scheduling is not used.
7259 (print_value): Print the mode of registers if not inside scheduling.
7260 (print_insn): Make it work outside the scheduler. Beautify the output
7262 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7264 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7266 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7267 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7268 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7269 depending on the value of CONSTANT_POOL_ADDRESS_P.
7270 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7272 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7273 rather than SYMBOL_REF_DECL.
7274 (rtx_constant_pool): Remove const_rtx_sym_htab.
7275 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7276 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7277 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7278 Remove handling of const_rtx_sym_htab.
7279 (find_pool_constant): Delete.
7280 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7281 rather than find_pool_constant.
7282 (get_pool_constant_for_function): Delete.
7283 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7285 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7286 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7287 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7288 (SYMBOL_REF_CONSTANT): New macro.
7289 (get_pool_constant_for_function): Delete.
7290 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7291 rather than SYMBOL_REF_DECL.
7292 (i386_pe_mark_dllimport): Likewise.
7293 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7294 rather than SYMBOL_REF_DECL.
7295 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7296 (machopic_indirect_call_target): Likewise.
7298 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7300 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7302 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7304 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7306 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7308 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7310 2006-01-24 David Daney <ddaney@avtrex.com>
7313 * configure.ac (enable_tls): New enable option.
7314 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7315 * configure: Regenerate.
7316 * doc/install.texi (--enable-tls): Document new option.
7317 (--disable-tls): Ditto.
7319 2006-01-24 Richard Henderson <rth@redehat.com>
7321 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7322 * alias.c (true_dependence): Respect it.
7323 (canon_true_dependence, write_dependence_p): Likewise.
7324 * builtins.c (get_builtin_sync_mem): Set it.
7326 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7328 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7331 2006-01-24 DJ Delorie <dj@redhat.com>
7333 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7334 for storing constants in single-bit bitfields.
7336 2006-01-25 Ben Elliston <bje@au.ibm.com>
7338 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7340 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7343 * tree-ssa-pre.c (phi_translate): Return NULL
7344 for AGGREGATE_TYPE's.
7346 2006-01-24 Zack Weinberg <zackw@panix.com>
7348 * genautomata.c (process_state_for_insn_equiv_partition):
7349 Use xcalloc for insn_arcs_array.
7350 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7351 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7353 2006-01-24 Richard Henderson <rth@redhat.com>
7355 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7358 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7360 PR rtl-optimization/25890
7361 PR rtl-optimization/25905
7362 * combine.c (expand_compound_operation, expand_field_assignment):
7363 Fail if the bitfield's final position is out of bounds.
7365 2006-01-24 Ian Lance Taylor <ian@airs.com>
7368 * cgraphunit.c (cgraph_output_in_order): Don't clear
7369 cgraph_asm_nodes until after asm strings have been output.
7371 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7373 * fix-header.c (read_scan_file): Add new parameter imultilib when
7374 calling register_include_chains.
7376 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7378 * omp-low.c: Update documentation.
7380 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7381 Daniel Berlin <dberlin@dberlin.org>
7385 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7386 return from the function.
7388 2006-01-22 Zack Weinberg <zackw@panix.com>
7390 * rtl.def (match_code): Add second argument.
7391 * genpreds.c (write_extract_subexp): New function.
7392 (write_match_code): Add path argument. Use write_extract_subexp.
7393 (write_predicate_expr): Pass path to write_match_code.
7394 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7395 not perform a mode test.
7396 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7397 a subexpression does not constrain the top-level code set.
7398 * read-rtl.c (read_rtx_variadic): New function.
7399 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7400 * doc/md.texi: Document new notation.
7401 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7402 (cmpsi_operand): ... here, using new notation.
7404 2006-01-22 Zack Weinberg <zackw@panix.com>
7406 * varray.c: Remove GENERATOR_FILE #ifdefs.
7408 2006-01-22 Zack Weinberg <zackw@panix.com>
7410 * genautomata.c (output_reserved_units_table): Emit nothing if
7411 description->query_units_num is zero. Remove extra blank line.
7412 (output_cpu_unit_reservation_p): Short circuit
7413 if description->query_units_num is zero.
7415 2006-01-22 Zack Weinberg <zackw@panix.com>
7417 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7418 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7419 nor any of the random handful of variables that used to be necessary
7420 when this program was linked with rtlanal.o. Prune set of forward
7421 function declarations.
7422 (struct attr_desc): Remove static_p field.
7423 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7424 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7425 (attr_string): Do not read the character one past the length of
7427 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7428 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7429 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7430 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7431 (make_automaton_attrs): New.
7432 (main): Do not call into genautomata. Call local gen_bypass
7433 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7434 Remove special case for insn_alts.
7435 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7436 varray.h (leftover from previous change). Prune set of forward
7437 function declarations. Remove state_alts fields from all
7438 structures. Remove state_alts_table from struct automaton.
7439 Make everything except main static. Do not maintain num_dfa_decls.
7440 Do not maintain state_alts fields of various structures.
7441 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7442 (add_arc): Remove state_alts argument. All callers updated.
7443 (output_reserved_units_table): Emit #ifdef here...
7444 (output_tables): ...not here. Don't generate state_alts tables.
7445 (expand_automata): Don't generate attributes.
7446 (write_automata): Don't generate state_alts functions.
7447 (main): New function.
7448 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7449 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7450 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7451 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7452 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7453 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7454 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7455 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7457 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7458 * genattrtab.h: Delete file.
7459 * Makefile.in (OBJS-common): Add insn-automata.o.
7460 (insn-automata.o): New rule.
7461 (simple_generated_c): Add insn-automata.c.
7462 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7463 (genprogmd): Add automata.
7464 (build/genattrtab): Needs no extra objects nor libraries.
7465 (build/genautomata): Needs build/vec.o and -lm.
7467 2006-01-22 Zack Weinberg <zackw@panix.com>
7469 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7470 (output_dfa_max_issue_rate, locked_states_num): Delete.
7471 (struct automaton): Add locked_states field.
7472 (output_dead_lock_vect): Save number of locked states in
7473 automaton->locked_states. If it is zero, don't print anything.
7474 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7475 (output_internal_dead_lock_func): Only test the dead_lock_vect
7476 for automata that have locked states.
7477 (output_statistics): Always print the number of locked states for
7478 each automaton. Calculate total number of locked states here.
7479 (write_automata): Don't call output_dfa_max_issue_rate.
7480 * genattrtab.c: Define length_unit_log as a const variable.
7481 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7482 max_insn_queue_index const.
7483 * final.c (length_unit_log): Declare const.
7484 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7486 2006-01-22 Zack Weinberg <zackw@panix.com>
7488 * genautomata.c: Include vec.h, not varray.h.
7489 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7490 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7491 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7492 VEC_* macros operating on appropriately typed vectors, or to
7493 malloced arrays when the size is known in advance. Const-ify
7494 many char* variables and function arguments. No functional changes.
7495 * Makefile.in (build/varray.o): Delete rule.
7496 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7497 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7499 2006-01-22 Zack Weinberg <zackw@panix.com>
7501 * gensupport.c: Define get_insn_name and record_insn_name here.
7502 (read_md_rtx): Call record_insn_name as appropriate.
7503 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7504 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7505 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7507 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7508 (BUILD_VARRAY): Delete.
7509 (genprognormal): Rename genprogmd. Fold in all programs from
7510 genprognoprint; also attrtab.
7511 (build/genattrtab): Just mention genautomata.o and varray.o.
7512 Reorganize a bit, add comments to make the categories clearer.
7514 2006-01-22 Zack Weinberg <zackw@panix.com>
7516 * genconditions.c (condition_table, add_condition): Delete.
7517 (write_conditions): Don't emit n_insn_conditions nor
7518 insn_elision_unavailable. Issue the gcc version #ifdef here,
7519 inside the table, with no #else clause ...
7520 (write_header): ...not here.
7521 (write_writer): New function.
7522 (main): Don't initialize condition_table. Use add_c_test.
7524 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7525 files on the command line.
7526 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7527 Return -1 if there is no entry in the table, don't abort.
7528 (add_c_test, traverse_c_tests): New functions.
7529 * gensupport.h (insn_elision_unavailable, insn_conditions)
7530 (n_insn_conditions): Delete declarations.
7531 (add_c_test, traverse_c_tests): Declare.
7532 * read-rtl.c: Include gensupport.h.
7533 (read_conditions): New function.
7534 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7535 (read_rtx_1): If we get EOF when we were looking for an initial
7536 open paren, return 0. Call read_conditions when appropriate.
7537 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7538 dummy-conditions.o. Eliminate references to insn-conditions.o,
7539 or change them to build/gencondmd.o, as appropriate. Remove
7540 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7541 from $(simple_generated_c). For all files remaining in those
7542 two lists, add insn-conditions.md to the generator command line.
7543 Give insn-constants.h/s-constants their own rules. Add rules
7544 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7545 (build/read-rtl.o): Depend on gensupport.h.
7546 (genprognormal): Include preds.
7547 (genprogearly): Rename genprognoprint; only difference is now that
7548 they don't link with $(BUILD_PRINT).
7549 * dummy-conditions.c: Delete.
7551 2006-01-22 Zack Weinberg <zackw@panix.com>
7553 * genextract.c: Don't include insn-config.h. Do include vec.h.
7554 Declare vectors of int, char, and locstr.
7555 (locstr): New typedef.
7556 (struct extraction): Make all array fields into bare pointers.
7557 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7558 (insn_code_number): Delete.
7559 (accum_extract): New struct.
7560 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7561 (gen_insn): Take insn_code_number as an argument. Use an
7562 accum_extract structure instead of loading data directly into
7563 a struct extraction, and having to know how big it might get.
7564 (walk_rtx): Operate entirely on an accum_extract structure.
7565 (print_path): Avoid unnecessary use of printf.
7566 (print_header): New function, split out of main. Distinguish
7567 more carefully between an unrecognizable insn and an insn that
7568 has the code number of a define_expand.
7569 (main): Pass insn_code_number to gen_insn. Call print_header
7570 only after parsing. Avoid unnecessary use of printf.
7571 * Makefile.in (build/vec.o): New rule.
7572 (build/genextract): Depend on build/vec.o.
7573 (build/genextract.o): Don't depend on insn-config.h.
7575 2006-01-22 Zack Weinberg <zackw@panix.com>
7577 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7578 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7579 practical. Eliminate per-generator-program link rules.
7581 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7584 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7585 with a call expr to ...
7586 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7588 2006-01-23 Richard Guenther <rguenther@suse.de>
7590 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7591 before make_edge with conditional EDGE_TRUE_VALUE.
7593 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7594 Jan Hubicka <jh@suse.cz>
7595 Richard Guenther <rguenther@suse.de>
7597 PR rtl-optimization/25654
7598 * cfgexpand.c (aggregate_contains_union_type): New function.
7599 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7600 for structure variables that contain a union type.
7602 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7604 * gengtype.c (new_structure): Return the structure.
7605 (create_option): Add an extra "next" argument.
7606 (create_field): New function.
7607 (adjust_field_rtx_def): Use create_option and create_field.
7608 Remove a now-unnecessary call to find_structure.
7609 (adjust_field_tree_def): Likewise.
7610 (note_yacc_type): Remove an unnecessary call to find_structure.
7611 * gengtype.h (new_structure): Return the structure.
7612 (create_option): Add an extra argument.
7613 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7614 (option): Adjust calls to create_option.
7616 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7618 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7620 2006-01-22 Paul Brook <paul@codesourcery.com>
7621 Peter Barada <peter@the-baradas.com>
7623 * config/m68k/m68k.md: Add Coldfire FPU support.
7624 Define FP mode macro and associated attributes.
7625 Use it for float mode patterns.
7626 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7627 (LIBCALL_VALUE): Use m68k_libcall_value.
7628 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7629 (m68k_function_value): Ditto.
7630 (emit_move_sequence): Ditto.
7631 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7632 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7633 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7634 (MULTILIB_EXCEPTIONS): Ditto.
7635 * config/m68k/m68k.opt: Add mcfv4e.
7636 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7637 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7638 (m68k_output_function_prologue): Save ColdFire FPU registers.
7639 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7640 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7641 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7642 ColdFire FPU registers.
7643 (m68k_libcall_value, m68k_function_value): New functions.
7644 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7645 (LIBCALL_VALUE): Use m68k_libcall_value.
7646 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7647 (MASK_COLDFIRE): Add MASK_CFV4E.
7648 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7649 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7650 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7651 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7652 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7653 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7654 * doc/invoke.tex: Document -mcfv4e on m68k.
7656 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7658 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7661 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7664 * c-opts.c (c_common_handle_option): Don't include
7665 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7666 * doc/invoke.texi (C++ Dialect Options): Document that
7667 -Wnon-virtual-dtor is no longer included in -Wall.
7669 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7671 * gcov.c (print_version), gcov-dump.c (print_version),
7672 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7675 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7677 * df-scan.c (problem_SCAN): Added NULL reset function.
7678 (df_scan_reset_blocks): Added code to call reset block function
7679 (df_bb_refs_delete) Fixed comment.
7680 (df_insn_refs_delete): Made tolerant of deleting non existent info
7681 for dataflow problems that need to be reset.
7682 * df-core.c (df_set_blocks): Ditto.
7683 * df.h (struct df_problem): Added reset_fun.
7684 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7685 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7686 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7687 functions to clear out all references to def-use or use-def chains.
7689 2006-01-21 Ben Elliston <bje@au.ibm.com>
7691 * varasm.c (assemble_real): Initialise data array.
7693 2006-01-20 Paul Brook <paul@codesourcery.com>
7695 Merge from csl-arm-branch.
7696 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7697 * config/arm/arm.md (movdi): Force operands[1] to a register
7698 if we have a non-register source.
7699 (*arm_movdi, *movdf_soft_insn): Require that one of the
7700 operands be a register.
7701 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7702 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7704 2006-01-20 DJ Delorie <dj@redhat.com>
7706 * varasm.c (initialize_constant_valid_p): Allow pointers
7707 initialized from integer constants of lesser precision.
7708 (output_constant): Allow non-int-sized pointer modes to be
7709 initialized from integer constants.
7711 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7714 * cppdefault.h (struct default_include): Add multilib flag.
7715 * cppdefault.c (cpp_include_defaults): Set it.
7716 * c.opt (-imultilib): New option.
7717 * c-opts.c (imultilib): New.
7718 (c_common_handle_option): Handle -imultilib.
7719 (c_common_post_options): Likewise.
7720 * c-incpath.c (add_standard_paths, register_include_chains):
7722 * c-incpath.h (register_include_chains): Add extra parameter.
7723 * gcc.c (do_spec_1): Generate -imultilib option.
7724 (The Specs Language): Update %I description.
7725 (process_command): Update copyright notice.
7726 * doc/cppopts.texi (-imultilib): Document.
7727 * doc/invoke.texi (-imultilib): Include in option summary.
7728 (%I): Update specs documentation.
7730 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7732 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7734 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7736 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7739 2006-01-20 Richard Guenther <rguenther@suse.de>
7740 Steven Bosscher <stevenb.gcc@gmail.com>
7742 PR rtl-optimization/24626
7743 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7744 EDGE_TRUE_VALUE if in RTL mode.
7747 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7748 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7750 2006-01-20 Dirk Mueller <dmueller@suse.com>
7753 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7754 instead of a special NOP marker.
7755 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7756 NOP marker handling.
7757 * c-common.h (empty_body_warning): Add forward declaration.
7758 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7759 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7761 2006-01-20 Paul Brook <paul@codesourcery.com>
7763 * Makefile.in (lang_checks): Keep going if mkdir fails.
7765 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7767 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7768 be able to clean out basic block when not necessary.
7769 (df_scan_free): Fixed to properly delete information if df is
7770 unused before calling df_finish.
7771 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7772 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7774 (df_bb_refs_delete): New function.
7775 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7776 * df-core.c (df_set_blocks): Added code to properly clean out
7777 unused blocks if they are not part of the blocks to consider.
7778 Added additional null check.
7779 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7780 be able to clean out basic block when not necessary
7781 * df.h (df_free_bb_function): Ditto.
7782 (df_bb_refs_delete): New function.
7783 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7784 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7785 basic block parameter to be able to clean out basic block when not
7787 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7788 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7789 Fixed to properly delete information if df is unused before
7792 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7794 PR rtl-optimization/25799
7795 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7796 Corrected confluence operator to remove bits from op2 before oring
7797 with op1 rather than removing bits from op1.
7798 (df_ru_transfer_function): Corrected test on wrong bitmap which
7799 caused infinite loop. Both of these problems were introduced in
7800 the dataflow rewrite.
7802 2006-01-19 DJ Delorie <dj@redhat.com>
7804 * reload1.c (find_reload_regs): Note the details of reload
7805 failures in the dump file.
7806 (spill_failure): Likewise.
7808 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7810 * loop-iv.c: Include df.h and hashtab.h.
7811 (enum iv_grd_result): New enum.
7812 (DF_REF_IV, DF_REF_IV_SET): New macros.
7813 (struct biv_entry): New.
7814 (df, bivs): New global variables.
7815 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7816 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7818 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7819 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7820 analyzed_for_bivness_p, record_biv): New functions.
7821 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7822 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7823 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7825 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7827 (iv_number_of_iterations): Use new interface to iv analysis.
7828 * loop-unroll.c: Do not include varray.h.
7829 (analyze_iv_to_split_insn): Use new interface to iv
7831 * loop-unswitch.c (may_unswitch_on): Ditto.
7832 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7834 (df_bb_modify): Realloc tables to the new index.
7835 (df_find_use): New function.
7836 * df.h (df_find_use): Declare.
7837 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7839 * cfgloop.h (struct rtx_iv): Remove analysed field.
7840 (iv_get_reaching_def): Removed.
7841 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7842 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7843 (loop-iv.o): Add df.h and hashtab.h dependency.
7844 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7846 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7849 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7851 (__floatundisf, __floatundidf): Likewise.
7852 * libgcc2.h (IS_IBM_EXTENDED): Define.
7854 2006-01-19 DJ Delorie <dj@redhat.com>
7856 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7858 2006-01-19 Paul Brook <paul@codesourcery.com>
7860 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7861 as nothrow when unwinding tables are disabled.
7863 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7866 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7867 of bit-field" when in system header.
7869 2006-01-19 DJ Delorie <dj@redhat.com>
7871 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7872 the 16 bit shift limit of the m16c.
7874 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7877 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7878 * config/i386/i386.c (output_set_got): Output the label if we have one
7879 for the TARGET_DEEP_BRANCH_PREDICTION case.
7881 2006-01-19 Jan Hubicka <jh@suse.cz>
7882 H.J. Lu <hongjiu.lu@intel.com>
7883 Evandro Menezes <evandro.menezes@amd.com>
7885 * invoke.texi (generic): Document
7887 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7888 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7889 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7890 (x86_use_incdec, x86_pad_returns): New variables
7891 (TARGET_CPU_DEFAULT_generic): New constant
7892 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7893 (enum processor_type): Add generic32 and generic64.
7894 * i386.md (cpu attribute): Add generic32/generic64
7895 (movhi splitter): Behave sanely when both partial_reg_dependency and
7896 partial_reg_stall are set.
7897 (K8 splitters): Enable for generic as well.
7898 * predicates.md (incdec_operand): Use TARGET_INCDEC
7899 (aligned_operand): Avoid memory mismatch stalls.
7900 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7901 * ppro.md: Enable for generic32
7902 * i386.c (generic64_cost, generic32_cost): New.
7903 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7904 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7905 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7906 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7907 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7908 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7909 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7910 x86_accumulate_outgoing_args, x86_prologue_using_move,
7911 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7912 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7914 (x86_use_incdec, x86_pad_returns): New.
7915 (override_options): Add generic32 and generic64, translate "generic"
7916 to generic32/generic64 and "i686" to "generic32", refuse
7917 "generic32"/"generic64" as arch target.
7918 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7919 (ix86_reorg): Honor PAD_RETURNS.
7921 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7923 * tree-pretty-print.c (dump_generic_node): Handle
7924 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7925 * cgraph.c (cgraph_expand_queue): Rename from
7926 cgraph_analyze_queue. Update all users.
7927 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7928 cgraph_expand_queue.
7929 (cgraph_expand_all_functions): Likewise.
7930 (cgraph_finalize_pending_functions): Remove. Update callers.
7932 * tree.h (OMP_DIRECTIVE_P): Define.
7933 (OMP_PARALLEL_FN): Define.
7934 (OMP_PARALLEL_DATA_ARG): Define.
7935 (OMP_SECTIONS_SECTIONS): Define.
7936 * tree-pass.h (pass_expand_omp): Declare.
7937 * omp-low.c (struct omp_region): Declare.
7938 (struct omp_context): Remove fields 'parallel_type',
7939 'parallel_start_ix' and 'parallel_start_additional_args'.
7941 (struct omp_for_data): Rename from struct expand_omp_for_data.
7942 (omp_regions): New static variable.
7943 (root_omp_region): New static variable.
7944 (find_omp_clause): Make static.
7945 (is_in_combined_parallel_ctx): Remove.
7946 (is_combined_parallel): New.
7947 (extract_omp_for_data): Move earlier in the file.
7948 (workshare_safe_to_combine_p): New.
7949 (get_ws_args_for): New.
7950 (determine_parallel_type): Move earlier in the file.
7951 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7953 (omp_copy_decl): Likewise.
7954 (create_omp_child_function): Likewise.
7955 (lookup_omp_region): New.
7956 (dump_omp_region): New.
7957 (debug_omp_region): New.
7958 (debug_all_omp_regions): New.
7959 (new_omp_region): New.
7960 (scan_omp_parallel): If parallel_nesting_level > 1, the
7961 directive is nested within another parallel directive.
7962 Set OMP_PARALLEL_FN.
7963 (scan_omp_for): Do not try to handle combined parallel+for
7965 Remove FIXME comment.
7966 (scan_omp_nested): Remove.
7967 (scan_omp_1): Do not call scan_omp_nested when
7968 parallel_nesting_level is > 1.
7969 Do not change the DECL_CONTEXT of local variables found.
7970 (lookup_decl_in_outer_ctx): New.
7971 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7972 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7973 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7974 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7975 If CTX is nested, lookup VAR in the outer context when
7976 building copy assignment.
7977 (lower_send_clauses): Rename from expand_send_clauses.
7978 If CTX is nested, lookup VAR in the outer context when
7979 building copy assignments.
7980 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7981 If CTX is nested, lookup VAR in the outer context when
7982 building copy assignments.
7983 (expand_parallel_call): Rename from build_parallel_call.
7984 Handle combined parallel+workshare cases.
7985 Re-implement to emit code into the CFG.
7987 (expand_omp_parallel): Re-implement to emit code into the CFG.
7988 Call move_sese_region_to_fn to outline the sub-graph
7989 containing the parallel region.
7990 (expand_omp_for_1): Remove.
7991 (expand_omp_for_generic): Re-implement to emit code into the
7993 (expand_omp_for_static_nochunk): Likewise.
7994 (expand_omp_for_static_chunk): Likewise.
7995 (expand_omp_for): Likewise.
7996 (expand_omp_sections): Likewise.
7997 (remove_exit_barriers): New.
7998 (expand_omp_synch): New.
8000 (build_omp_regions_1): New.
8001 (build_omp_regions): New.
8002 (execute_expand_omp): New.
8003 (gate_expand_omp): New.
8004 (pass_expand_omp): Define.
8005 (lower_omp_sections): Rename from expand_omp_sections.
8006 Set OMP_SECTIONS_SECTIONS.
8007 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8008 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8009 (lower_omp_single): Rename from expand_omp_simple.
8010 (lower_omp_master): Rename from expand_omp_master.
8011 (lower_omp_ordered): Rename from expand_omp_ordered.
8012 (lower_omp_critical): Rename from expand_omp_critical.
8013 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8014 (lower_omp_for): Re-implement.
8015 (lower_omp_parallel): Re-implement.
8016 (lower_regimplify): Rename from expand_regimplify.
8017 (lower_omp_1): Rename from expand_omp_1.
8018 If there are syntax errors in the program, replace every
8019 OpenMP directive with NOP.
8020 Call lower_omp_* instead of expand_omp_*.
8021 (lower_omp): Rename from expand_omp.
8023 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8024 * tree-gimple.h (enum omp_parallel_type): Remove.
8025 (gimple_boolify): Declare extern.
8026 (find_omp_clause, determine_parallel_type): Remove.
8028 * gimple-low.c (lower_omp_directive): New.
8029 (lower_stmt): Call it.
8030 (record_vars_into): Move from ...
8031 (record_vars): ... here.
8032 Call record_vars_into with current_function_decl.
8034 * gimplify.c (struct gimplify_ctx): Remove fields
8035 combined_pre_p and combined_ctxp. Update users.
8036 (get_formal_tmp_var): Add documentation.
8037 (gimple_boolify): Make extern.
8038 (gimplify_expr_in_ctx): Remove. Update callers.
8039 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8040 will always be a BIND_EXPR.
8041 (gimplify_expr): Handle OMP_RETURN_EXPR.
8042 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8043 (OMP_PARALLEL): Add 3 operands.
8044 (OMP_SECTIONS): Add 1 operand.
8045 (OMP_RETURN_EXPR): Define.
8047 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8048 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8049 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8050 creating a circular free list.
8051 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8053 * tree-flow.h (move_sese_region_to_fn): Declare.
8054 (record_vars_into): Declare.
8055 * tree-cfg.c (make_omp_sections_edges): New.
8056 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8057 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8058 OMP_SECTIONS and OMP_SECTION.
8059 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8060 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8061 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8062 (gather_blocks_in_sese_region): New.
8063 (struct move_stmt_d): Declare.
8065 (move_block_to_fn): New.
8066 (move_sese_region_to_fn): New.
8068 * passes.c (init_optimization_passes): Schedule
8069 pass_expand_omp after pass_init_datastructures.
8071 * tree-ssa-operands.c (get_expr_operands): Handle
8072 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8073 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8075 2006-01-19 Jeff Law <law@redhat.com>
8077 * tree-vrp.c (extract_range_from_assert): Refine the result range
8078 if the variable referenced by the ASSERT_EXPR has a range and
8079 either the tentative result range or the previous range is a
8082 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8084 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8086 2006-01-19 Jan Hubicka <jh@suse.cz>
8088 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8090 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8092 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8093 (expand_compound_operation, expand_field_assignment): Fail if the
8094 bit lengths of an extract operation are out of range.
8095 (make_extraction): Compute wanted_inner_mode based on the position
8096 and length of the extraction. Make it extraction_mode for non-constant
8097 positions, and do not modify offset in that case. When generating a
8098 new MEM, use a mode that can hold the extraction while keeping correct
8099 alignment. Remove code that supported MEMs wrapped by USEs.
8100 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8102 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8104 * config/s390/s390.md ("Y", "y"): New mode attribute.
8105 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8106 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8107 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8108 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8109 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8110 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8111 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8112 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8113 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8114 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8115 "addsi3", "subsi3"): Insn patterns removed.
8116 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8117 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8118 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8119 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8120 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8121 "*sub<mode>3_cconly2"): New insn patterns.
8122 ("addsi3", "subsi3"): New expanders.
8124 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8126 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8127 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8128 existing STMT_VINFO_VECTYPE if available.
8129 (vect_mark_relevant): Add special handling for stmts that are
8130 marked as STMT_VINFO_IN_PATTERN_P.
8131 (vect_analyze_loop): Call vect_pattern_recog.
8132 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8133 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8135 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8136 (vect_recog_func_ptr): New function-pointer type.
8137 * tree-vect-patterns.c: New file.
8138 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8139 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8140 (vect_pattern_recog_1): New functions.
8141 (vect_pattern_recog_funcs): New array of function pointers.
8143 * tree-vectorizer.h (ternary_op): New enum value.
8144 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8145 declaration. Revised documentation. Removed redundant dump prints.
8146 Removed redundant argument. Added support for reduction patterns.
8147 (vectorizable_reduction): Added support for reduction patterns.
8148 (vect_transform_stmt): Added support for patterns.
8150 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8151 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8152 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8153 (expand_widen_pattern_expr): New function.
8154 (init_optabs): Initialize new optabs udot_prod_optab,
8156 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8157 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8158 (expand_widen_pattern_expr): New function declaration.
8159 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8161 * tree-inline.c (estimate_num_insns_1): Added cases for new
8162 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8163 * tree-pretty-print.c (dump_generic_node): Likewise.
8164 (op_prio): Likewise.
8165 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8166 * tree-ssa-operands.c (get_expr_operands): Added case for
8168 * tree-vect-patterns.c (widened_name_p): New function.
8169 (vect_recog_dot_prod_pattern): Added function implementation.
8170 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8171 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8172 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8173 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8175 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8176 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8177 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8178 (init_optabs): Initialize new optabs widen_ssum_optab,
8180 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8181 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8182 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8183 use instead of type of def.
8184 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8185 function implementation.
8186 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8187 widen_ssumv8hi): New.
8189 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8192 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8195 * c-decl.c (add_flexible_array_elts_to_size): New function.
8196 (finish_decl): Use it.
8198 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8200 * diagnostic.h: Include options.h.
8201 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8202 dependancies for diagnostic.h.
8203 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8205 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8207 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8208 (ssa_ro_call_cache_valid): Ditto.
8209 * tree-ssa-alias.c (sort_tags_by_id): New function.
8210 (init_transitive_clobber_worklist): Ditto.
8211 (add_to_worklist): Ditto.
8212 (mark_aliases_call_clobbered): Ditto.
8213 (compute_tag_properties): Ditto.
8214 (set_initial_properties): Ditto.
8215 (compute_call_clobbered): Ditto.
8216 (compute_may_aliases): Call compute_call_clobbered and grouping.
8217 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8218 (compute_flow_insensitive_aliasing): Grouping now happens in our
8220 (setup_pointers_and_addressables): Remove clobbering related code.
8221 (add_may_alias): Ditto.
8222 (replace_may_alias): Ditto.
8223 (get_nmt_for): Ditto.
8224 (create_global_var):
8225 (is_escape_site): Return an escape_type enumeration.
8226 * tree-flow-inline.h (is_call_clobbered): Global var does not
8227 imply call clobbered.
8228 (mark_call_clobbered): Take a reason for marking this. Remove
8229 marking of globalness, and cache invalidation.
8230 (clear_call_clobbered): Remove cache invalidation code.
8231 * tree-dfa.c (dump_variable): If details is on, dump the reason
8233 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8235 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8236 (struct var_ann_d): Ditto.
8237 (enum escape_type): New.
8238 (mark_call_clobbered): Adjust prototype.
8239 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8240 are never call clobbered.
8241 Record reasons for escaping.
8242 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8243 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8244 (ssa_ro_call_cache_valid): Ditto.
8245 (clobbered_v_may_defs): Ditto.
8246 (clobbered_vuses): Ditto.
8247 (ro_call_vuses): Ditto.
8248 (clobber_stats): New.
8249 (init_ssa_operands): Zero out clobber stats.
8250 (fini_ssa_operands): Print out clobber stats.
8251 (get_call_expr_operands): Pass callee fndecl to
8253 (add_call_clobber_ops): Remove use of cache.
8254 Add use of PURE_CONST information.
8255 (add_call_read_ops): Remove use of cache.
8256 Add use of static not_read information.
8258 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8260 Introduce TLS descriptors for i386 and x86_64.
8261 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8262 (TARGET_ANY_GNU_TLS): New macro.
8263 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8264 (struct machine_function): Add tls_descriptor_call_expanded_p.
8265 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8266 (ix86_current_function_calls_tls_descriptor): Likewise.
8267 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8268 (override_options): Introduce gnu2 tls dialect.
8269 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8271 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8273 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8274 (ix86_init_machine_status): Initialize new field.
8275 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8276 (ix86_tls_module_base): New.
8277 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8278 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8279 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8280 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8281 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8282 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8283 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8284 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8285 * config/i386/predicates.md (tls_modbase_operand): New.
8286 (tp_or_register_operand): New.
8288 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8290 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8291 (look_for_address_of): Ditto.
8292 (ipa_init): Walk the function decls.
8293 (static_execute): Don't set readonly on FUNCTION_DECL's.
8295 2006-01-18 Roger Sayle <roger@eyesopen.com>
8297 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8298 for shifts where the source and destination registers are different.
8300 2006-01-18 Paul Brook <paul@codesourcery.com>
8302 Merge from csl-arm-branch.
8303 2005-03-14 Julian Brown <julian@codesourcery.com>
8304 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8305 (aeabi_llsl): Likewise.
8306 (ashrdi3): Likewise.
8307 (aeabi_lasr): Likewise.
8308 (lshrdi3): Likewise.
8309 (aeabi_llsr): Likewise.
8310 2005-03-10 Julian Brown <julian@codesourcery.com>
8311 * config.gcc: Disable shared libgcc for SymbianOS.
8312 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8314 2006-01-18 DJ Delorie <dj@redhat.com>
8316 * c-pragma.c (handle_pragma_diagnostic): New.
8317 (init_pragma): Register it.
8318 * doc/extend.texi: Document it.
8320 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8321 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8322 (diagnostic_context): Add classify_diagnostic[].
8323 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8324 as errors if they're overridden to DK_WARNING.
8325 (diagnostic_initialize): Initialize classify_diagnostic[].
8326 (diagnostic_set_kind_override): New.
8327 (diagnostic_report_diagnostic): Check for kind changes.
8328 * opts.c (common_handle_option): Take lang_mask. Update callers.
8330 * common.opt (Werror=): New.
8331 * doc/invoke.texi: Document -Werror=*
8333 2006-01-18 Jeff Law <law@redhat.com>
8335 * tree-vrp.c (test_for_singularity): Correct test for new
8336 min limit. Use operand_equal_p rather than pointer equality
8337 for testing if new min/max values are equal.
8339 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8340 using range information until after propagation and folding.
8342 2006-01-18 Richard Henderson <rth@redhat.com>
8343 Aldy Hernandez <aldyh@redhat.com>
8344 Jakub Jelinek <jakub@redhat.com>
8345 Diego Novillo <dnovillo@redhat.com>
8347 * omp-low.c: New file.
8348 * c-omp.c: New file.
8350 2006-01-18 Richard Henderson <rth@redhat.com>
8351 Jakub Jelinek <jakub@redhat.com>
8352 Diego Novillo <dnovillo@redhat.com>
8354 * doc/invoke.texi: Document -fopenmp.
8355 * tree-dump.h (debug_function): Declare.
8356 * hooks.c (hook_bool_tree_bool_false): New function.
8357 (hook_tree_tree_null): Remove.
8358 (hook_tree_tree_tree_null): New.
8359 * hooks.h: Update to match.
8360 * tree-pretty-print.c (debug_tree_chain): New.
8361 (print_generic_expr): Handle TDF_CHAIN.
8362 (dump_generic_node): Handle BLOCK.
8363 Do not abort with incomplete SWITCH_EXPRs.
8364 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8365 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8366 print space after directive name.
8367 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8368 Handle OMP_MASTER and OMP_ORDERED.
8369 Handle printing of OMP_BODY just in one place, goto
8370 dump_omp_body in the rest of OMP_* nodes that have
8372 Don't handle clause nodes here. Update omp statements to
8373 use dump_omp_clauses.
8374 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8375 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8376 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8377 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8378 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8379 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8380 Adjust output for GOMP_PARALLEL.
8381 (dump_omp_clauses): New.
8382 (print_declaration): Dump DECL_VALUE_EXPR.
8383 (op_symbol_1): Split out of op_symbol.
8384 (dumping_stmts): Remove. Update all users.
8385 * cgraph.c (cgraph_analyze_queue): New.
8386 (cgraph_add_new_function): New.
8387 * cgraph.h (cgraph_analyze_queue): Declare.
8388 (cgraph_add_new_function): Declare.
8389 (cgraph_lower_function): Remove.
8390 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8391 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8392 and TYPE_P nodes in its default clause.
8393 (empty_body_p): New.
8394 (tree_range_check_failed): New.
8396 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8397 OMP_CLAUSE_REDUCTION_MERGE,
8398 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8399 OMP_CLAUSE_PRIVATE_DEBUG,
8400 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8401 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8402 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8403 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8404 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8405 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8406 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8407 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8408 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8409 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8410 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8411 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8412 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8413 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8414 (TREE_RANGE_CHECK): New.
8415 (empty_body_p): Declare.
8416 (enum omp_clause_default_kind): New.
8417 (build_string_literal): Declare.
8418 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8419 (build5_stat, build5): Declare.
8420 * tree-pass.h (TDF_CHAIN): Define.
8421 * tree-pass.h (PROP_gimple_lomp): Define.
8422 (pass_lower_omp): Declare.
8423 * diagnostic.h (debug_tree_chain): Declare.
8424 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8426 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8427 * builtins.c (build_string_literal): Make extern.
8428 * gcc.c (include_spec_function): New.
8429 (static_spec_functions): Add it.
8430 (main): Move load of libgomp.spec ...
8431 (LINK_COMMAND_SPEC): ... here.
8432 (link_gomp_spec): New.
8433 (static_specs): Include it.
8434 (LINK_COMMAND_SPEC): Add link_gomp.
8435 (GOMP_SELF_SPECS): New.
8436 (driver_self_specs): Include it.
8437 (switch_matches): Don't mark inline.
8438 (main): Load libgomp.spec.
8439 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8440 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8441 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8442 * tree-gimple.h (enum omp_parallel): Declare.
8443 (determine_parallel_type): Declare.
8444 (omp_firstprivatize_variable): Declare.
8445 (omp_reduction_init): Declare.
8446 (diagnose_omp_structured_block_errors): Declare.
8447 (struct walk_stmt_info): Add want_return_expr.
8448 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8449 (find_omp_clause): Declare.
8450 (insert_field_into_struct): Declare.
8451 (struct walk_stmt_info): Move from tree-nested.c
8452 (walk_stmts): Declare.
8453 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8455 * cgraphunit.c (cgraph_lower_function): Make static.
8456 (cgraph_finalize_pending_functions): New.
8457 (cgraph_finalize_function): Call it.
8458 (cgraph_finalize_compilation_unit): Likewise.
8459 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8460 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8461 (BT_FN_UINT_UINT): New.
8462 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8463 DEF_FUNCTION_TYPE_VAR_4): Document.
8464 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8465 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8466 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8467 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8468 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8469 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8470 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8471 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8472 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8473 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8474 into separate files.
8475 (DEF_GOMP_BUILTIN): New.
8476 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8477 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8478 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8479 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8480 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8481 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8482 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8483 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8484 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8485 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8486 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8487 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8488 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8489 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8490 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8491 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8492 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8493 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8494 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8495 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8496 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8497 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8498 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8499 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8500 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8501 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8502 * sync-builtins.def: New file, moved from builtins.def.
8503 * omp-builtins.def: New file, moved from builtins.def.
8504 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8505 * gimple-low.c (lower_function_body): Clear data.
8506 (lower_stmt): Do not handle COMPOUND_EXPR.
8507 Remove call to print_node_brief.
8508 * c-tree.h (c_finish_omp_clauses): New prototype.
8509 (C_DECL_THREADPRIVATE_P): Define.
8510 (lookup_name_no_remap, c_omp_remap_private): Remove
8511 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8512 (check_for_loop_decls): Update decl.
8513 (lookup_name_no_remap, c_omp_remap_private): Declare.
8514 (build_indirect_ref, build_modify_expr, pushdecl,
8515 pushdecl_top_level): Move to c-common.h.
8516 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8517 before the switch, but just in the 2 places that need it.
8518 * c-decl.c (diagnose_mismatched_decls): Do not check for
8519 mismatched thread-local attributes when OLDDECL is marked
8520 threadprivate and NEWDECL has no thread-local attributes.
8521 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8522 (c_gimple_diagnostics_recursively): Rename from
8523 c_warn_unused_result_recursively. Invoke
8524 diagnose_omp_structured_block_errors.
8525 (check_for_loop_decls): Return a singular decl found.
8526 * langhooks.c (lhd_omp_predetermined_sharing): Return
8527 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8528 (lhd_omp_firstprivatize_type_sizes): New.
8529 (lhd_omp_assignment): New.
8530 (lhd_omp_predetermined_sharing): New.
8531 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8532 (struct lang_hooks_for_types): Add
8533 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8534 omp_predetermined_sharing, omp_disregard_value_expr,
8535 omp_private_debug_clause, omp_clause_default_ctor,
8536 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8537 (c_finish_omp_clauses): New.
8538 (c_finish_bc_stmt): Diagnose break within omp for.
8539 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8540 (build_unary_op): Return error_mark after reporting
8542 (build_modify_expr): Likewise.
8543 * gimplify.c: Include optabs.h and pointer-set.h.
8544 (enum gimplify_omp_var_data): Declare.
8545 (struct gimplify_omp_ctx): Declare.
8546 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8548 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8549 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8550 (splay_tree_compare_decl_uid): New.
8551 (new_omp_context): New.
8552 (delete_omp_context): New.
8553 (gimple_add_tmp_var): Call omp_add_variable.
8554 (gimplify_bind_expr): Likewise.
8555 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8556 true, disregard DECL_VALUE_EXPR on the decl if any.
8557 (gimplify_expr_in_ctx): New.
8558 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8559 omp_add_variable, omp_notice_variable, omp_is_private
8560 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8561 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8562 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8563 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8564 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8565 gimplify_omp_atomic): New.
8566 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8567 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8568 OMP_CRITICAL and OMP_ATOMIC.
8569 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8570 * c-pragma.h (enum pragma_kind): Add
8571 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8572 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8573 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8574 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8575 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8576 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8577 PRAGMA_OMP_THREADPRIVATE.
8578 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8579 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8580 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8581 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8582 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8583 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8584 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8585 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8586 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8587 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8588 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8589 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8590 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8592 (struct nesting_info): Add field_map,
8593 suppress_expansion, debug_var_chain.
8594 (create_nesting_tree): Initialize them.
8595 (lookup_field_for_decl): Use field_map.
8596 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8597 (convert_local_omp_clauses): New.
8598 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8599 (walk_body): Split out of walk_function.
8600 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8601 (convert_nonlocal_reference): Handle omp statements.
8602 (convert_local_reference): Likewise.
8603 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8604 (unnest_nesting_tree): New.
8605 (lower_nested_functions): Call it.
8606 (insert_field_into_struct): Make extern.
8607 (struct walk_stmt_info): Move to tree-gimple.h.
8608 (walk_stmts): Make extern.
8609 * omp-builtins.def: New file.
8610 * tree-iterator.c (expr_only): Clarify comment.
8611 * c-common.h (pushdecl_top_level, pushdecl,
8612 build_modify_expr, build_indirect_ref,
8613 c_finish_omp_master, c_finish_omp_critical,
8614 c_finish_omp_ordered, c_finish_omp_barrier,
8615 c_finish_omp_atomic, c_finish_omp_flush,
8616 c_finish_omp_for, c_split_parallel_clauses,
8617 omp_clause_default_kind, c_omp_sharing_predetermined,
8618 c_omp_remap_decl): Declare.
8619 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8620 (OBJS-common): Add omp-low.o.
8621 (c-omp.o, omp-low.o): Add.
8622 (gimplify.o): Add dependency on $(OPTABS_H).
8623 (GTFILES): Add omp-low.c.
8624 (gt-stringpool.h): Add.
8625 * tree-cfg.c (set_bb_for_stmt): Do not update the
8626 block-to-labels map if we are currently expanding to RTL.
8627 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8629 Handle IDENTIFIER_NODE.
8630 (tree_verify_flow_info): Do not ICE when emitting error
8631 messages about invalid labels.
8632 (dump_function_to_file): Reset CFUN before emitting the body
8634 (debug_function): New.
8635 * passes.c (init_optimization_passes): Schedule
8637 * langhooks-def.h (lhd_omp_predetermined_sharing,
8638 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8640 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8641 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8642 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8643 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8644 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8645 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8646 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8647 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8648 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8649 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8650 (LANG_HOOK_DECLS): Use them.
8652 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8653 Richard Henderson <rth@redhat.com>
8654 Jakub Jelinek <jakub@redhat.com>
8655 Diego Novillo <dnovillo@redhat.com>
8657 * c-parser.c (pragma_omp_clause): Define.
8658 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8659 (c_parser_compound_statement): Likewise.
8660 (c_parser_statement): Likewise.
8661 (c_parser_pragma): Handle omp pragmas.
8662 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8663 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8664 (c_parser_omp_clause_name, check_no_duplicate_clause,
8665 c_parser_omp_variable_list,
8666 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8667 c_parser_omp_clause_copyprivate,
8668 c_parser_omp_clause_default,
8669 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8670 c_parser_omp_clause_lastprivate,
8671 c_parser_omp_clause_nowait,
8672 c_parser_omp_clause_num_threads,
8673 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8674 c_parser_omp_clause_reduction,
8675 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8676 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8677 c_parser_omp_atomic, c_parser_omp_barrier,
8678 c_parser_omp_critical, c_parser_omp_flush,
8679 c_parser_omp_for_loop, c_parser_omp_for,
8680 c_parser_omp_master, c_parser_omp_ordered,
8681 c_parser_omp_sections_scope, c_parser_omp_sections,
8682 c_parser_omp_parallel, c_parser_omp_single,
8683 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8684 * c-pragma.c (init_pragma): Do omp pragma registration here.
8685 * c.opt (fopenmp): New flag.
8687 2006-01-18 Eric Christopher <echristo@apple.com>
8689 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8690 * config/darwin.h (GOMP_SELF_SPECS): Define.
8692 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8694 * rtl.h: Remove the prototype for reg_alloc.
8696 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8699 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8700 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8701 sjlj and dwarf2 exception handling.
8702 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8703 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8704 * pa/pa.c (function_value): Treat complex and vector types as
8706 (function_arg): Likewise. Only pass scalar floats in the floating
8707 point argument registers.
8708 * pa/t-slibgcc-dwarf-ver: New file.
8709 * pa/t-slibgcc-sjlj-ver: New file.
8710 * pa/t-slibgcc-elf-ver: Delete file.
8712 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8714 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8715 unlikely_test_section_p test.
8717 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8719 * mode-switching.c (optimize_mode_switching): Make it static.
8720 * basic-block.h: Remove the prototype for
8721 optimize_mode_switching.
8723 * modulo-sched.c (sms_schedule): Make it static.
8724 * rtl.h: Remove the prototype for sms_schedule.
8726 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8727 * rtl.h: Remove the prototype for gcse_after_reload_main.
8729 * reg-stack.c (reg_to_stack): Make it static.
8730 * rtl.h: Remove the prototype for reg_to_stack.
8732 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8734 * rtl.h: Remove the prototypes for regrename_optimize and
8735 copyprop_hardreg_forward.
8737 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8739 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8740 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8741 Test against the appropriate null constant for the mode.
8742 If 'fixup_overlap' is true, swap the operands if they overlap.
8743 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8744 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8745 alpha_split_tmode_pair and adjust for above change.
8746 * config/alpha/alpha.md (movtf_internal): Adjust call to
8747 alpha_split_tfmode_pair and rely on it to swap the operands.
8748 (movti_internal): New insn and post-reload splitter.
8749 (movti): New expander.
8751 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8753 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8756 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8758 * rtlanal.c (global_reg_mentioned_p_1,
8759 global_reg_mentioned_p): Remove.
8760 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8762 * flow.c (initialize_uninitialized_subregs): Make it static.
8763 * rtl.h: Remove the prototype for
8764 initialize_uninitialized_subregs.
8766 * function.c (instantiate_virtual_regs): Make it static.
8767 * function.h: Remove the prototype for
8768 instantiate_virtual_regs.
8770 * regmove.c (regmove_optimize, combine_stack_adjustments):
8772 * rtl.h: Remove the prototypes for regmove_optimize and
8773 combine_stack_adjustments.
8775 2006-01-17 Roger Sayle <roger@eyesopen.com>
8777 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8778 (size_cost): Encode costs in bytes so that a reg-reg addition is
8779 equivalent to COSTS_N_INSNS(1).
8780 (override_options): Use the size_cost.branch_cost as the default
8781 ix86_branch_cost when optimizing for size.
8783 2006-01-18 Ben Elliston <bje@au.ibm.com>
8785 * Makefile.in (D32PBIT_FUNCS): New.
8786 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8787 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8788 D64PBIT_FUNCS and D128PBIT_FUNCS.
8789 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8790 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8792 (decnumber_dep): Define.
8793 * doc/libgcc.texi (Decimal float library routines): New node.
8794 * config/dfp-bit.h, config/dfp-bit.c: New files.
8796 2006-01-18 Ben Elliston <bje@au.ibm.com>
8798 * expr.c (emit_move_change_mode): Always adjust addresses, not
8799 just during reload. Copy replacements only during reload.
8800 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8801 emit_move_via_integer.
8803 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8805 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8806 instead of $(srcdir) and ${srcdir}.
8808 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8812 * arm.h (struct machine_function): Add pic_reg.
8813 * arm.c (arm_pic_register): Make unsigned.
8814 (arm_override_options): Only set arm_pic_register if
8815 TARGET_SINGLE_PIC_BASE.
8816 (use_return_insn): Only test for a pic register if it is fixed.
8817 (arm_compute_save_reg0_reg12_mask): Likewise.
8818 (thumb_compute_save_reg_mask): Likewise.
8819 (legitimate_pic_operand): Factor out some known invariants.
8820 (legitimize_pic_address): If we don't have a fixed pic register,
8821 then set up a pseudo in the function entry sequence. Handle the
8822 pic base being in a pseudo.
8823 (arm_load_pic_register): Handle the pic register being in a pseudo.
8824 (arm_expand_prologue): Only set up the pic register if it is fixed.
8825 (thumb_expand_prologue): Likewise.
8826 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8827 (pic_load_addr_based_insn): Likewise.
8828 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8831 2006-01-18 Ben Elliston <bje@au.ibm.com>
8833 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8834 decimal float modes for all floating point registers.
8836 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8837 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8839 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8842 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8843 even when the pointer is not NULL.
8845 2006-01-16 Ian Lance Taylor <ian@airs.com>
8847 * common.opt (ftoplevel-reorder): New option.
8848 * cgraph.c (cgraph_asm_nodes): New global variable.
8849 (cgraph_asm_last_node): New static variable.
8850 (cgraph_order): New global variable.
8851 (cgraph_create_node): Set new order field.
8852 (cgraph_varpool_node): Likewise.
8853 (decide_is_variable_needed): Return true if not
8854 flag_toplevel_reorder.
8855 (cgraph_add_asm_node): New function.
8856 * cgraph.h (struct cgraph_node): Add order field.
8857 (struct cgraph_varpool_node): Add order field.
8858 (struct cgraph_asm_node): Define.
8859 (cgraph_asm_nodes, cgraph_order): Declare.
8860 (cgraph_add_asm_node): Declare.
8861 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8863 (cgraph_varpool_assemble_pending_decls): Call it.
8864 (cgraph_output_pending_asms): New static function.
8865 (cgraph_finalize_compilation_unit): Call it.
8866 (struct cgraph_order_sort): Define.
8867 (cgraph_output_in_order): New static function.
8868 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8869 !flag_toplevel_reorder case.
8870 * c-parser.c: Include "cgraph.h".
8871 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8873 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8874 than -fno-unit-at-a-time.
8875 * doc/invoke.texi (Option Summary): Mention
8876 -fno-toplevel-reorder.
8877 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8878 -funit-at-a-time documentation.
8880 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8881 Kazu Hirata <kazu@codesourcery.com>
8883 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8885 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8887 * Makefile.in (FUNCTION_H): New. Use it instead of
8888 function.h throughout the file.
8889 * function.h: Include tree.h.
8891 2006-01-17 Ben Elliston <bje@au.ibm.com>
8893 * recog.c: Separate some functions with whitespace.
8895 2006-01-16 Richard Henderson <rth@redhat.com>
8897 Merge from gomp branch:
8898 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8899 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8900 and rename from struct inline_data. Rename callee* to dst*;
8901 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8902 transform_new_cfg, transform_return_to_modify, and
8903 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8905 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8906 (copy_decl_for_dup): Remove.
8907 * tree-inline.c (struct inline_data): Move to header.
8908 (insert_decl_map): Export.
8909 (remap_decl): Update for member name changes. Use copy_decl hook.
8910 Allow for replacement to be a non-decl. Remove dead code.
8911 (remap_type_1): Check for existing mapping.
8912 (remap_type): Export.
8913 (remap_decls): Update for member name changes.
8914 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8915 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8916 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8917 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8918 (tree_function_versioning, build_duplicate_type): Likewise.
8919 (copy_body_r): Likewise. Export.
8920 (copy_decl_for_dup): Split into ...
8921 (copy_decl_for_dup_finish, copy_decl_to_var,
8922 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8923 (replace_ref_tree, inlining_p): Remove.
8925 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8927 * ifcvt.c (if_convert): Make it static.
8928 * rtl.h: Remove the prototype for if_convert.
8930 * local-alloc.c (local_alloc): Make it static.
8931 * rtl.h: Remove the prototype for local_alloc.
8933 * loop.c (loop_optimize): Make it static.
8934 * cfgloop.h: Remove the prototype for loop_optimize.
8937 2006-01-16 DJ Delorie <dj@redhat.com>
8939 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8942 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8944 * pa.md: Disparage copies between general and floating-point registers
8945 in 32-bit move patterns.
8947 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8950 * Makefile.in (check-%): Depend on site.exp instead of
8951 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8954 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8956 * global.c (global_alloc): Make it static.
8957 * rtl.h: Remove the prototype for global_alloc.
8959 2006-01-16 Richard Guenther <rguenther@suse.de>
8961 * tree-ssa-alias.c (struct used_part): Add write_only field.
8962 (get_or_create_used_part_for): Initialize it to true.
8963 (create_overlap_variables_for): Don't create structure variables
8964 for structures that only are written to.
8965 (find_used_portions): Handle MODIFY_EXPR to track whether a
8966 structure is only written to.
8968 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8970 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8972 * basic-block.h: Remove the prototype for
8973 partition_hot_cold_basic_blocks.
8975 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8977 * cppspec.c (lang_specific_spec_functions): Remove.
8978 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8979 * gcc.h (lang_specific_spec_functions): Remove.
8980 * gccspec.c (lang_specific_spec_functions): Remove.
8982 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8984 * combine.c (record_value_for_reg): Invalidate registers
8986 (record_dead_and_set_regs_1): Likewise, by passing them to
8987 record_value_for_reg.
8988 (record_dead_and_set_regs): Invalidate stores made by a
8989 call. We do not combine across a call, but we still
8990 relied on equivalences.
8992 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8994 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8995 vrp_int_const_binop returning non-constant nodes.
8997 2006-01-16 Paul Brook <paul@codesourcery.com>
8999 * config/m68k/m68k.c (output_move_const_into_data_reg):
9000 Output correct mnemonic for mvz and mvs.
9002 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9004 * rtl-factoring.c: Add sequence abstraction algorithm.
9005 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9006 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9008 (block_has_preserve_label): New function.
9009 * common.opt: Register new pass.
9010 * Makefile.in: Ditto.
9012 * timevar.def: Ditto.
9013 * tree-pass.h: Ditto.
9014 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9015 * rtl.h (make_jump_insn_raw): Add forward decl.
9016 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9018 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9019 Roger Sayle <roger@eyesopen.com>
9021 * fold-const.c (fold_minmax): New static function.
9022 (fold_binary) <MIN_EXPR>: Call it.
9023 <MAX_EXPR>: Likewise.
9024 * stor-layout.c (place_field): Use DECL_SIZE consistently
9025 in the computation of the new record size.
9027 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9029 * cse.c (cse_condition_code_reg): Make it static.
9030 * rtl.h: Remove the prototype for cse_condition_code_reg.
9032 * combine.c (combine_instructions): Make it static.
9033 * rtl.h: Remove the prototype for combine_instructions.
9035 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9038 * tree.c (get_file_function_name_long): Concatenate the first global
9039 object name with a string derived from the input filename of the object
9042 2006-01-16 Ben Elliston <bje@au.ibm.com>
9044 * config/i386/winnt-stubs.c: Update FSF address.
9045 * config/xtensa/ieee754-df.S: Ditto.
9046 * config/xtensa/ieee754-sf.S: Ditto.
9048 2006-01-14 Ian Lance Taylor <ian@airs.com>
9050 * ifcvt.c (noce_init_if_info): New static function, broken out of
9051 noce_process_if_block.
9052 (noce_process_if_block): Call noce_init_if_info.
9053 (check_cond_move_block): New static function.
9054 (cond_move_process_if_block): New static function.
9055 (process_if_block): Call cond_move_process_if_block.
9057 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9059 * cselib.c (hash_table): Rename to cselib_hash_table.
9060 (cselib_clear_table, discard_useless_values,
9061 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9062 cselib_init, cselib_finish): Adjust uses of hash_table.
9064 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9066 PR tree-optimization/25485
9067 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9068 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9069 is known to be false and true, respectively.
9071 2006-01-14 Richard Guenther <rguenther@suse.de>
9073 PR tree-optimization/22548
9074 PR tree-optimization/22555
9075 PR tree-optimization/22501
9076 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9077 * params.def (salias-max-array-elements): New parameter.
9078 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9079 * doc/invoke.texi (salias-max-array-elements): Document.
9080 * tree-flow-inline.h (var_can_have_subvars): We also handle
9082 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9084 * tree-ssa-structalias.c (params.h): Include.
9085 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9086 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9087 (get_constraint_for): For ADDR_EXPR operating on something
9088 containing an ARRAY_REF, add all subvars to the solution.
9089 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9090 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9091 for creating MUST_DEFs.
9092 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9094 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9096 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9098 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9099 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9100 number_of_iterations_le): New functions.
9101 (number_of_iterations_special): Removed.
9102 (number_of_iterations_exit): Do not use number_of_iterations_special.
9103 * tree.c (unsigned_type_for): Always return integer type.
9105 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9106 Richard Guenther <rguenther@suse.de>
9108 PR rtl-optimization/24257
9109 * gcse.c (find_moveable_store): Only consider a store movable
9110 when the SET_SRC of the insn can be assigned to a register.
9112 2006-01-14 Ian Lance Taylor <ian@airs.com>
9114 * tree.c (tree_not_class_check_failed): New function.
9115 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9116 (tree_not_class_check_failed): Declare.
9118 2006-01-13 Ian Lance Taylor <ian@airs.com>
9120 * reload1.c (do_output_reload): Add assertion rejecting a
9123 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9125 * combine.c (struct reg_stat): Add new fields truncation_label and
9127 (record_value_for_reg): Reset truncated_to_mode.
9128 (record_truncated_value): New function.
9129 (check_promoted_subreg): Call it. Rename to check_conversions.
9130 (combine_instructions): Rename check_promoted_subreg to
9132 (reg_truncated_to_mode): New function.
9133 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9134 (gen_lowpart_or_truncate): New function.
9135 (force_to_mode): Use it instead of gen_lowpart.
9137 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9139 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9140 VAR is a tag, not its type tag.
9142 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9144 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9145 alternatives to match style of other entries.
9146 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9148 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9150 PR tree-optimization/25771
9151 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9154 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9157 * tree-inline.c (declare_return_variable): If the return variable
9158 was marked as a non gimple complex, set the return slot variable
9159 to be a non gimple comple variable.
9161 2006-01-13 Richard Guenther <rguenther@suse.de>
9163 * builtins.c (expand_builtin_sincos): New function.
9164 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9166 (expand_builtin): Expand sincos using expand_builtin_sincos.
9168 2006-01-12 DJ Delorie <dj@redhat.com>
9170 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9171 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9172 so that constant shifts can be split.
9173 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9174 (m32c_valid_pointer_mode): Make static.
9175 (shift_gen_func_for): New.
9176 (m32c_prepare_shift): Use it. Split large const shifts into
9178 * config/m32c/predicates.md (shiftcount_operand): Allow more
9180 (longshiftcount_operand): New.
9181 * doc/md.texi (Machine Constraints): Document In6.
9183 2006-01-13 Ben Elliston <bje@au.ibm.com>
9185 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9186 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9189 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9191 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9192 to try to avoid clobbering pieces of structures when we know
9193 something about the whole structure.
9194 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9196 2006-01-13 Ben Elliston <bje@au.ibm.com>
9198 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9199 return in memory, as this is no limitation is no longer present.
9201 2006-01-12 DJ Delorie <dj@redhat.com>
9203 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9204 mova with fb, and for fb+0 -> An.
9206 * config/m32c/mov.md (peephole2): Fix enabling logic.
9208 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9209 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9210 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9211 FINI_ARRAY_SECTION_ASM_OP): Define.
9213 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9215 (m32c_legitimize_reload_address): New logic to reload FB to An.
9216 (m32c_output_reg_push): Add newline.
9217 (m32c_output_reg_pop): Likewise.
9219 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9221 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9223 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9225 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9227 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9229 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9232 2006-01-11 Ben Elliston <bje@au.ibm.com>
9234 * rtlanal.c (find_reg_note): Assert insn is not null.
9236 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9238 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9241 2006-01-11 Jeff Law <law@redhat.com>
9243 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9245 (mark_threaded_blocks, register_jump_thread): New functions.
9246 (thread_through_all_blocks): Remove unwanted argument. No
9247 longer rely on e->aux to communicate thread target info.
9248 Call mark_threaded_blocks. Release the threaded_blocks
9249 bitmap and threaded_edges vector when complete.
9250 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9251 (threaded_blocks): Remove.
9252 (tree_ssa_dominator_optimize): Remove initialization and
9253 finalization of threaded_blocks. Simplify call to
9254 thread_through_all_blocks.
9255 (thread_across_edge): Call register_jump_thread rather than
9256 storing thread information into e->aux.
9257 (free_all_edge_infos): Simplify now that e->aux is no longer
9258 used to communicate with thread_through_all_blocks.
9259 * tree-flow.h (thread_through_all_blocks): Update prototype.
9260 (register_jump_thread): Prototype.
9262 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9264 * df-core.c (df_compact_blocks, df_bb_replace): Use
9265 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9267 2006-01-11 Richard Guenther <rguenther@suse.de>
9269 PR tree-optimization/25734
9270 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9271 stop propagation after successful propagation to the LHS.
9273 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9275 * basic-block.h (control_flow_graph): Change the type of
9276 x_basic_block_info to VEC(basic_block,gc) *.
9277 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9279 (SET_BASIC_BLOCK): New.
9280 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9281 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9282 * cfgbuild.c (find_basic_blocks): Likewise.
9283 * cfglayout.c (fixup_reorder_chain): Likewise.
9284 * cfgrtl.c (create_basic_block_structure,
9285 rtl_create_basic_block): Likewise.
9286 * ifcvt.c (find_if_case_1): Likewise.
9287 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9290 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9292 * Makefile.in: Removed rotted odf.c entry.
9294 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9297 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9298 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9299 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9300 output pattern modifier, not %e.
9301 * config/cris/cris.c (cris_op_str): Update comment about pattern
9303 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9304 before falling through into...
9305 <case 'E'>: Redefined from old 'e' case.
9307 2006-01-11 Jan Hubicka <jh@suse.cz>
9310 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9312 2006-01-11 Jan Hubicka <jh@suse.cz>
9314 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9315 * i386.c (x86_decompose_lea): Kill.
9316 (ix86_rtx_costs): Kill.
9318 2006-01-11 Jan Hubicka <jh@suse.cz>
9320 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9321 * cgraph.h (cgraph_node): Add inline_decl.
9322 (cgraph_insert_node_to_hashtable): Declare.
9323 (save_inline_function_body): Declare.
9324 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9326 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9327 (cgraph_function_versioning): Update call of tree_function_versioning.
9328 (save_inline_function_body): New function.
9329 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9330 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9331 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9332 (cgraph_default_inline_p): Likewise.
9333 (cgraph_decide_inlining_incrementally): Likewise.
9334 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9335 (copy_bb): Kill saving; do updating of clones.
9336 (copy_cfg_body): Kill saving.
9337 (initialize_inlined-parameters): Likewise.
9338 (expand_call_inline): Likewise.
9340 (tree_function_versioning): New parameter "update_clones".
9341 (inlining_p): Kill saving.
9342 * tree-inline.h (tree_function_versioning): Update prototype.
9343 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9346 2006-01-11 Ian Lance Taylor <ian@airs.com>
9348 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9349 Allow undoing set of machine mode.
9350 (do_SUBST): Use enums instead of is_int.
9351 (do_SUBST_MODE): New function.
9352 (SUBST_MODE): New macro.
9353 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9354 reg and trying to replace reg_regno_rtx with a new register.
9355 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9356 (simplify_set): Use SUBST_MODE.
9357 (distribute_notes): Remove code that tried to update reg notes
9358 for regno_reg_rtx changes.
9360 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9362 PR tree-optimization/23109
9363 PR tree-optimization/23948
9364 PR tree-optimization/24123
9366 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9367 * tree-cfg.c (single_noncomplex_succ): New.
9368 * tree-flow.h (single_noncomplex_succ): Declare it.
9369 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9370 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9371 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9372 insert_bb, register_division_in, insert_reciprocals,
9373 replace_reciprocal, free_bb): New.
9374 (execute_cse_reciprocals_1): Rewritten.
9375 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9376 Do not commit any edge insertion. Always compute dominators and
9377 create the allocation pool.
9378 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9379 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9380 * targhooks.c (default_min_divistions_for_recip_mul): New.
9381 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9382 * passes.c (init_optimization_passes): Run recip after tree loop
9384 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9386 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9387 Kenneth Zadeck <zadeck@naturalbridge.com>
9389 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9390 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9391 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9392 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9393 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9394 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9395 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9396 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9397 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9398 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9399 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9400 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9401 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9402 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9403 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9404 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9405 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9406 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9407 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9408 DF_SCAN_POST_ALLOC): New macros.
9409 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9410 df_free_bb_function, df_local_compute_function, df_init_function,
9411 df_dataflow_function, df_confluence_function_0,
9412 df_confluence_function_n, df_transfer_function,
9413 df_finalizer_function, df_free_function, df_dump_problem_function,
9414 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9415 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9416 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9417 df_urec_bb_info, ) New types.
9418 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9420 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9421 df_analyze_simple_change_some_blocks,
9422 df_analyze_simple_change_one_block, df_compact_blocks,
9423 df_bb_replace, df_bb_regno_last_use_find,
9424 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9425 df_insn_regno_def_p, df_find_def, df_find_use,
9426 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9427 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9428 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9429 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9430 debug_df_chain, df_get_dependent_problem, df_chain_create,
9431 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9432 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9433 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9434 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9435 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9436 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9437 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9438 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9439 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9440 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9441 df_reorganize_refs, df_set_state, df_hard_reg_init,
9442 df_read_modify_subreg_p) New public functions.
9443 * df-core.c: The core dataflow solver and glue routines for rtl
9445 (df_init, df_add_problem, df_set_blocks, df_finish,
9446 df_hybrid_search_forward, df_hybrid_search_backward,
9447 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9448 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9449 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9450 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9451 df_reg_defined, df_find_use, df_reg_used, df_dump,
9452 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9453 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9454 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9455 debug_df_useno, reset_df_after_reload): New functions.
9456 * df-scan.c: The scanning fuctions, once in df.c, completely
9457 rewritten so that they now fully model the functionality of
9458 register usage at the backend.
9459 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9460 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9461 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9462 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9463 df_get_artificial_defs, df_get_artificial_uses,
9464 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9465 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9466 df_refs_delete, df_reorganize_refs, df_set_state,
9467 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9468 df_def_record_1, df_defs_record, df_uses_record,
9469 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9470 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9471 df_record_exit_block_uses, df_hard_reg_init): New functions.
9473 * df-problems.c: Seven concrete dataflow problems that use the
9474 scanning in df-scan.c and are solved by the engine in df-core.c.
9475 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9476 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9477 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9478 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9479 df_ru_free_bb_info, df_ru_alloc,
9480 df_ru_bb_local_compute_process_def,
9481 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9482 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9483 df_ru_transfer_function, df_ru_free, df_ru_dump,
9484 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9485 df_rd_free_bb_info, df_rd_alloc,
9486 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9487 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9488 df_rd_transfer_function, df_rd_free, df_rd_dump,
9489 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9490 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9491 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9492 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9493 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9494 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9495 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9496 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9497 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9498 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9499 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9500 df_urec_mark_reg_use_for_earlyclobber,
9501 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9502 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9503 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9504 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9505 df_chain_create_bb_process_use, df_chain_create_bb,
9506 df_chain_finalize, df_chain_free, df_chains_dump,
9507 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9508 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9509 df_reg_lifetime): New functions.
9510 * df.c: Deleted file.
9511 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9512 consistent with new df api.
9513 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9514 rest_of_handle_sms): Ditto.
9515 * web.c (unionfind_union, union_defs, entry_register, web_main):
9517 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9518 invariant_expr_equal_p, find_defs, check_dependencies,
9519 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9520 free_inv_motion_data, move_loop_invariants): Ditto.
9521 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9522 Update dependencies.
9523 (odf.c): Added defective entry that was deleted later in day.
9524 * sched-deps.c (sched_analyze_1): Ditto.
9526 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9528 * tree-ssa-operands.c (get_expr_operands): Record addressable
9529 variables directly. Do not call add_stmt_operands for CONST_DECLs
9531 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9532 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9534 2006-01-11 Ben Elliston <bje@au.ibm.com>
9536 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9537 function returns true in the positive case.
9539 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9542 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9543 for SI, DI, SF and DF modes. Add alternatives to copy between
9544 general and floating point registers to the 32-bit patterns.
9545 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9546 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9547 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9548 generating 64-bit code.
9549 * config/pa/pa.c (output_move_double): Handle copies between general
9550 and floating registers.
9552 2006-01-10 Stuart Hastings <stuart@apple.com>
9554 * config/i386/i386.md (set_got): Update.
9555 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9556 (builtin_setjmp_receiver): Mach-O support.
9557 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9558 (GOT_SYMBOL_NAME): Define.
9559 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9560 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9561 * config/i386/i386.c (override_options): Revise for Darwin.
9562 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9563 support. (darwin_x86_file_end): New. (output_set_got): Add label
9564 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9565 * config/i386/i386-protos.h (output_set_got): Likewise.
9566 * config/darwin.c (machopic_legitimize_pic_address): Update
9569 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9571 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9572 when MODE isn't BLKmode.
9574 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9576 PR rtl-optimization/25367
9577 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9579 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9582 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9583 for a negative bound.
9585 2006-01-10 Richard Guenther <rguenther@suse.de>
9587 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9588 Never override with anything constraint.
9590 2006-01-10 Jan Beulich <jbeulich@novell.com>
9592 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9593 256 bits when optimize_size.
9595 2006-01-10 Jan Beulich <jbeulich@novell.com>
9597 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9599 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9600 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9603 2006-01-10 Ben Elliston <bje@au.ibm.com>
9605 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9607 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9608 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9609 (USE_FP_FOR_ARG): Reject decimal float modes.
9610 (function_arg_advance): Likewise.
9611 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9612 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9613 point types in AltiVec vectors.
9614 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9615 (rs6000_libcall_value): Likewise.
9617 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9619 * config/xtensa/ieee754-df.S: New file.
9620 * config/xtensa/ieee754-sf.S: New file.
9621 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9622 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9623 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9625 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9627 * config/sh/predicates.md (binary_float_operator,
9628 binary_logical_operator, commutative_float_operator,
9629 equality_comparison_operator, greater_comparison_operator,
9630 less_comparison_operator, logical_operator,
9631 noncommutative_float_operator, shift_operator,
9632 symbol_ref_operand, unary_float_operator): Remove redundant
9635 2006-01-09 Jeff Law <law@redhat.com>
9637 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9638 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9639 now unused arguments. Callers updated.
9640 (eliminate_redundant_computations): Remove now unused arguments,
9642 (local_fold): Remove, no longer used.
9643 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9645 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9646 (simplify_cond): New function.
9647 (forward_propagate_into_cond): Call simplify_cond.
9649 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9651 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9652 (*vec_extractv2di_1_sse): New.
9654 2006-01-09 Ben Elliston <bje@au.ibm.com>
9656 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9658 2006-01-08 Richard Guenther <rguenther@suse.de>
9660 * tree-ssa-structalias.c (get_constraint_for): Remove
9662 (get_constraint_for_component_ref): Likewise.
9663 (do_deref): Likewise.
9664 (get_constraint_for): Likewise.
9665 (do_structure_copy): Likewise.
9666 (handle_ptr_arith): Likewise.
9667 (find_func_aliases): Likewise. Remove unused need_anyoffset
9670 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9671 Kaz Kojima <kkojima@gcc.gnu.org>
9673 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9674 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9675 (EXTRA_CONSTRAINT_C16): Remove.
9676 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9677 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9678 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9679 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9680 constants of SHmedia. Handle nested constant expressions of
9682 (andcosts): Fix the costs for SHmedia constants.
9683 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9684 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9685 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9686 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9687 (movv4hi_i, movv2si_i): Likewise.
9688 (movsi_const): Adjust the second operand of ior so to match with
9690 (movdi_const, movdi_const_32bit): Likewise.
9691 (movdi_const_16bit+1): Don't sign-extend LOW.
9692 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9694 (*double_shori): Fix the split condition. Use GEN_INT instead
9695 of get_int_mode calls. Mask lower 16-bit of the argument of
9697 (sym2GOTPLT): Remove.
9698 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9700 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9701 instead of EXTRA_CONSTRAINT_C16.
9703 2006-01-07 Ian Lance Taylor <ian@airs.com>
9704 David Edelsohn <edelsohn@gnu.org>
9706 PR rtl-optimization/25662
9707 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9708 for constant operands instead of simplify_gen_binary.
9709 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9710 after trying simplify_binary_operation
9712 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9714 * tree.c (iterative_hash_expr): Hash decls based on UID.
9716 2006-01-06 Eric Christopher <echristo@apple.com>
9718 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9719 (TARGET_UNWIND_EMIT): Fix spelling.
9720 * target.h (gcc_target): Add except_table_label.
9721 * except.c (output_function_exception_table): Use.
9722 * varasm.c (default_emit_except_table_label): New.
9723 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9725 (asm_out): Add here.
9726 * output.h (default_emit_except_table_label): Prototype.
9727 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9728 * config/darwin.c (darwin_emit_except_table_label): Define.
9729 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9731 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9733 PR tree-optimization/18527
9734 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9735 number_of_iterations_special, number_of_iterations_exit):
9736 Move base and step of an iv to a single structure. Add
9737 no_overflow flag, and use it in # of iterations analysis.
9738 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9739 folded_casts argument.
9740 (simple_iv): Pass base and step in a structure. Set no_overflow
9742 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9743 Evaluate expensiveness of computing # of iterations instead of
9744 the final expression.
9745 * tree-scalar-evolution.h (affine_iv): New structure.
9746 (simple_iv): Declaration changed.
9747 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9748 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9749 find_givs_in_stmt): Changed due to simple_iv change.
9751 2006-01-06 Jeff Law <law@redhat.com>
9754 * tree-cfg.c (bsi_replace): Rename final argument from
9755 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9756 change (stmt -> orig_stmt).
9757 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9758 (bsi_remove): Add new argument. Remove EH information
9760 (verify_eh_throw_table_statements): New function.
9761 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9763 * tree-optimize.c (execute_free_cfg_annotations): Verify
9764 the EH throw statement table after removing annotations.
9765 * except.h (verify_eh_throw_table_statements): Prototype.
9766 * tree-flow.h (bsi_remove): Update prototype.
9767 * tree-vrp.c (remove_range_assertions): Add new argument to
9769 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9770 * tree-complex.c (expand_complex_div_wide): Likewise.
9771 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9772 * tree-tailcall.c (eliminate_tailcall): Likewise.
9773 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9774 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9775 * tree-nrv.c (tree_nrv): Likewise.
9776 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9777 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9778 (combine_blocks): Likewise.
9779 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9780 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9781 (cleanup_control_flow): Likewise.
9782 (remove_forwarder_block): Likewise.
9783 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9784 * tree-sra.c (sra_replace): Likewise.
9785 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9786 (forward_propagate_single_use_vars): Likewise.
9787 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9788 * tree-inline.c (expand_call_inline): Likewise.
9789 * tree-vect-transform.c (vect_transform_loop): Likewise.
9790 * tree-outof-ssa.c (rewrite_trees): Likewise.
9791 * tree-cfg.c (make_goto_expr_edges): Likewise.
9792 (cleanup_dead_labels): Likewise.
9793 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9794 (bsi_move_before, bsi_move_after): Likewise.
9795 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9796 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9798 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9801 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9803 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9804 on non gimple variables. Also add checks at the top for decls and
9806 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9808 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9809 and IMAGPART_EXPR for creating MUST_DEFs.
9810 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9811 and NAME_MEMORY_TAG separately from the DECLs.
9813 2006-01-06 Richard Guenther <rguenther@suse.de>
9815 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9816 annotation, if necessary.
9817 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9818 redundant calls to update_stmt.
9819 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9822 2006-01-05 Richard Henderson <rth@redhat.com>
9824 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9826 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9828 * c-typeck.c: Update copyright date.
9830 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9832 * c-typeck.c (build_c_cast): Always warn when casting
9833 from a pointer to an integer of different size, even if
9834 the node was constant.
9836 2006-01-05 Richard Guenther <rguenther@suse.de>
9838 PR tree-optimization/22555
9839 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9840 if one structure field is an array.
9841 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9842 operands even if we found a subvar, but ignore VOPs in this
9844 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9846 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9848 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9851 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9853 2006-01-05 Richard Guenther <rguenther@suse.de>
9854 Diego Novillo <dnovillo@redhat.com>
9856 * tree-pass.h (TODO_remove_unused_locals): Define.
9857 * gimple-low.c (expand_var_p, remove_useless_vars,
9858 pass_remove_useless_vars): Remove. Update all users.
9859 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9860 (remove_unused_locals): New function.
9861 * tree-flow.h (remove_unused_locals): Declare.
9862 * passes.c (execute_todo): Call remove_unused_locals if
9863 TODO_remove_unused_locals is set.
9864 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9865 * tree-ssa-dce.c (pass_dce): Likewise.
9866 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9868 2006-01-05 Richard Guenther <rguenther@suse.de>
9870 * tree-flow.h (struct fieldoff): Decompose field to
9871 type, size and decl.
9872 * tree-ssa-alias.c (create_sft): Take type as parameter.
9873 (create_overlap_variables_for): Store type, size and decl
9874 in the fieldoff structure.
9875 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9877 (push_fields_onto_fieldstack): Likewise.
9878 (create_variable_info_for): Likewise. Use offset for the
9879 SFT name if the decl is not available.
9881 2006-01-04 Paul Brook <paul@codesourcery.com>
9883 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9885 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9887 * lambda-code.c (can_put_in_inner_loop): Relax
9889 (can_put_after_inner_loop): New function.
9890 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9891 (perfect_nestify): Change to make copies and modify uses.
9893 2006-01-04 Richard Henderson <rth@redhat.com>
9895 Merge from gomp branch:
9896 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9897 via integer constant.
9898 (pragma_lex): Remove.
9899 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9900 rather than parsing it.
9901 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9902 handle_pragma_extern_prefix): Add %< %> quotes.
9903 (registered_pragmas): New.
9904 (c_register_pragma_1): New.
9905 (c_register_pragma): Use it.
9906 (c_register_pragma_with_expansion): Likewise.
9907 (c_invoke_pragma_handler): New.
9908 (init_pragma): Use cpp_register_deferred_pragma directly for
9910 * c-pragma.h (enum pragma_kind): New.
9911 (pragma_handler): New.
9912 (c_invoke_pragma_handler): Declare.
9913 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9915 * c-common.h (c_common_pch_pragma): Update decl.
9916 * Makefile.in (c-parser.o): Update dependencies.
9917 (GTFILES): Add c-pragma.h.
9918 * c-parser.c (struct c_token): Add pragma_kind.
9919 (struct c_parser): Add in_pragma.
9920 (c_lex_one_token): Always initialize keyword and pragma_kind.
9921 Extract data for CPP_PRAGMA.
9922 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9923 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9924 Don't allow CPP_PRAGMA_EOL if in_pragma.
9925 (c_parser_consume_pragma): New.
9926 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9927 (c_parser_skip_to_end_of_parameter): Likewise.
9928 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9929 (c_parser_skip_to_pragma_eol): New.
9930 (c_parser_external_declaration): Handle CPP_PRAGMA.
9931 (c_parser_compound_statement_nostart): Likewise.
9932 (c_parser_statement_after_labels): Likewise.
9933 (c_parser_pragma): New.
9934 (pragma_lex): Likewise.
9935 (c_parser_pragma_pch_preprocess): New.
9936 (c_parser_new): Merge into ...
9937 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9939 2006-01-04 Jeff Law <law@redhat.com>
9942 * tree-cfg.c (bsi_replace): Remove the original statement
9943 from the EH throw statement table.
9945 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9947 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9948 make the prototype extern "C" and add throw ().
9951 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9952 and pos non-negative and pos + len <= 32.
9953 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9954 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9955 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9958 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9959 as well as sizes not multiple of component size.
9962 * function.c (instantiate_expr): New function.
9963 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9964 walk its DECL_VALUE_EXPR with instantiate_expr.
9966 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9967 DW_OP_deref{,_size} if address isn't going to be added.
9969 2006-01-04 Ben Elliston <bje@au.ibm.com>
9971 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9972 * config/fp-bit.c: Likewise.
9974 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9976 * dominance.c: Add comment about why we use DFS numbering
9979 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9980 Richard Henderson <rth@redhat.com>
9982 Merge from gomp-branch:
9983 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9984 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9986 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9988 PR rtl-optimization/25578
9989 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9990 pass a parameter to simplify_shift_const if changing ASHIFTRT
9993 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9995 * builtins.c (get_builtin_sync_mem): New function.
9996 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9997 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9998 Call get_builtin_sync_mem to generate mem rtx.
10000 2006-01-03 Richard Guenther <rguenther@suse.de>
10003 * stmt.c (add_case_node): Make sure to clear overflow flags
10006 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10008 Merge from gomp-branch.
10009 * config/sparc/sync.md: New file.
10010 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10011 UNSPECV_LDSTUB): New constants.
10012 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10013 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10014 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10017 2006-01-03 Roger Sayle <roger@eyesopen.com>
10019 * combine.c (reg_subword_p): New predicate to test whether the
10020 destination of a set refers to a subword/piece of a register.
10021 (try_combine): Generalize the code to merge the setting of a
10022 pseudo to a constant followed by a set of a subword of that
10023 register to a constant.
10025 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10027 * basic-block.h (control_flow_graph): Change the type of
10028 x_label_to_block_map to VEC(basic_block,gc) *.
10029 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10030 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10032 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10033 VEC(basic_block,heap) *.
10034 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10035 ssa_prop_fini): Adjust the uses of cfg_blocks.
10037 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10039 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10041 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10042 hashing trees instead of a pointer hash.
10043 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10044 compare for MEM_EXPR.
10046 PR rtl-optimization/25130
10047 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10048 when comparing MEMs for GCSE
10050 2006-01-03 Ben Elliston <bje@au.ibm.com>
10052 * targhooks.h (default_decimal_float_supported_p): Declare.
10053 * targhooks.c (default_decimal_float_supported_p): Define.
10054 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10055 `default_decimal_float_supported_p'.
10056 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10058 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10060 * combine.c (apply_distributive_law <SUBREG>): Check
10061 TRULY_NOOP_TRUNCATION.
10063 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10065 * dwarf2out.c (have_switched_text_section): Delete.
10066 (have_multiple_function_sections): New.
10067 (have_location_lists): Make 'bool'.
10068 (add_AT_loc_list): Use 'true' not '1'.
10069 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10070 (output_loc_list): Use have_multiple_function_sections.
10071 (output_ranges): Likewise.
10072 (dwarf2out_begin_function): Set have_multiple_function_sections if
10074 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10075 Check function_section rather than DECL_SECTION_NAME.
10076 (dwarf2out_finish): Use have_multiple_function_sections.
10077 Don't clear have_location_lists.
10079 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10080 Jan Hubicka <jh@suse.cz>
10082 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10083 case of conditional jump jumping to the next instruction.
10084 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10085 cases of conditional jump jumping to the next instruction.
10087 2006-01-02 Jan Hubicka <jh@suse.cz>
10089 * i386.c (*_cost): Add COSTS_N_INSNS.
10090 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10092 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10095 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10097 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10099 * config/arm/arm.c (all_fpus): Fix comment typo.
10100 * config/darwin.c: Likewise.
10101 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10102 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10103 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10105 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10107 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10108 (rs6000_split_compare_and_swapqhi): New.
10109 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10110 (sync_compare_and_swapqhi_internal): New.
10111 * config/rs6000/rs6000-protos.h: Declare.