1 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2 Richard Guenther <rguenther@suse.de>
4 PR tree-optimization/27236
5 * tree-inline.c (copy_body_r): Make sure to copy
6 TREE_THIS_VOLATILE flag.
8 2006-04-24 Richard Guenther <rguenther@suse.de>
11 * tree-complex.c (update_parameter_components): Don't handle
12 unused parameters which have no default def.
14 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
15 Richard Guenther <rguenther@suse.de>
17 PR tree-optimization/27218
18 * tree-inline.c (expand_call_inline): Strip useless type
19 conversions for the return slot address.
21 2006-04-24 Richard Guenther <rguenther@suse.de>
23 * cfgloop.h (struct loops): Remove unused field array. Reorder
25 (LOOP_PREFETCH): Remove.
27 2006-04-24 Richard Guenther <rguenther@suse.de>
29 PR tree-optimization/22525
30 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
31 variable, adjust types of generated expressions.
33 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
35 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
36 (tree-vect-patterns.o): Likewise.
39 (loop-doloop.o): Likewise.
40 (regclass.o): Likewise.
41 (reload1.o): Likewise.
42 (explow.o): Replace target.h with $(TARGET_H).
43 (ipa-prop.o): Likewise.
45 (ipa-inline.o): Likewise.
47 (reg-stack.o): Likewise.
49 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
51 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
53 2006-04-23 Mark Mitchell <mark@codesourcery.com>
56 * c-common.h (c_build_bitfield_integer_type): Declare.
57 * c-decl.c (c_build_bitfield_integer_type): Move to ...
58 * c-common.c (c_build_bitfield_integer_type): ... here.
60 2006-04-23 Roger Sayle <roger@eyesopen.com>
63 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
64 a SImode SUBREG of a floating point register after no_new_pseudos.
66 2006-04-23 Roger Sayle <roger@eyesopen.com>
68 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
69 identify potentially eliminable registers to additionally catch
70 VIRTUAL_INCOMING_ARGS_REGNUM.
71 (addsi3): Update the conditions on when to use addsi_small_int.
73 2006-04-23 Roger Sayle <roger@eyesopen.com>
76 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
77 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
78 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
80 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
82 * fold-const.c (range_predecessor): Use operand_equal_p
83 as the predicate for equality.
84 (range_successor): Likewise.
86 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
89 * config/soft-fp/op-common.h: Fix a typo.
91 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
94 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
95 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
97 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
99 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
101 * doc/tm.texi: Fix a typo.
103 2006-04-21 Geoffrey Keating <geoffk@apple.com>
105 * dwarf2out.c (struct die_struct): Document that die_sib makes
106 a circular linked list.
107 (FOR_EACH_CHILD): New.
108 (reverse_die_lists): Delete.
109 (reverse_all_dies): Delete.
110 (add_dwarf_attr): Correct documentation.
111 (remove_child_with_prev): New.
112 (remove_child_TAG): Update for change to die_struct, use
113 remove_child_with_prev.
114 (add_child_die): Update for change to die_struct.
115 (splice_child_die): Use remove_child_with_prev and add_child_die.
116 (print_die): Use FOR_EACH_CHILD.
117 (die_checksum): Likewise.
118 (assign_symbol_names): Likewise.
119 (output_location_lists): Likewise.
120 (build_abbrev_table): Likewise.
121 (calc_die_sizes): Likewise.
122 (mark_dies): Likewise.
123 (unmark_dies): Likewise.
124 (unmark_all_dies): Likewise.
125 (output_die): Likewise.
126 (prune_unused_types_mark): Likewise.
127 (prune_unused_types_walk): Likewise.
128 (same_die_p): Update for change to die_struct.
129 (break_out_includes): Likewise.
130 (prune_unused_types_prune): Likewise.
131 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
132 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
134 (dwarf2out_finish): Don't call reverse_all_dies.
136 2006-04-21 Eric Christopher <echristo@apple.com>
138 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
139 in comments and function names.
141 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
144 * c-typeck.c (digest_init): Robustify.
146 * c-typeck.c (pop_init_level): Simplify.
148 2006-04-21 Steve Ellcey <sje@cup.hp.com>
150 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
152 2006-04-21 Paul Brook <paul@codesourcery.com>
154 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
155 hardware floating point.
157 2006-04-21 David Edelsohn <edelsohn@gnu.org>
159 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
162 2006-04-21 Nick Clifton <nickc@redhat.com>
164 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
167 2006-04-21 Alan Modra <amodra@bigpond.net.au>
170 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
171 C++ lang type in traceback table for Objective-C++.
173 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
175 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
177 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
179 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
182 * tree-mudflap.c (mudflap_finish_file): Skip function when there
183 were errors. Remove check for erroneous objects.
185 2006-04-20 Jeff Law <law@redhat.com>
187 PR tree-optimization/26854
188 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
189 checking for zero or one use.
190 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
191 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
192 * tree-ssa-reassoc.c (negate_value): Similarly.
193 (reassociate_bb): Similarly.
195 2006-04-20 Jakub Jelinek <jakub@redhat.com>
197 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
198 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
199 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
201 2006-04-20 Alan Modra <amodra@bigpond.net.au>
203 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
204 fp regs if the last fp arg doesn't fit in regs.
206 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
209 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
210 that the last insn has the REG_INC note.
212 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
213 Nathan Sidwell <nathan@codesourcery.com>
216 * stor-layout.c (update_alignment_for_field): Do not align
218 (place_union_field): Place union field at the start of the union.
219 (place_field): Move ERROR_MARK check later, and use the current
220 allocation position to maintain monotonicity.
222 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
224 * dominance.c: Include timevar.h.
225 (calculate_dominance_info): Use TV_DOMINANCE.
226 * timevar.def (TV_DOMINANCE): New timevar.
227 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
229 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
231 PR rtl-optimization/14261
232 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
233 move would be an INSV insn.
234 (noce_process_if_block): Don't optimize if the destination is a
235 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
237 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
239 * config/s390/s390.md: Add comments with the instructions emitted
240 by an insn pattern if macros are used.
242 2006-04-19 Alan Modra <amodra@bigpond.net.au>
244 PR rtl-optimization/26026
245 * fold-const.c (fold_binary): Optimize div and mod where the divisor
246 is a known power of two shifted left a variable amount.
248 2006-04-18 Geoffrey Keating <geoffk@apple.com>
250 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
251 to hash table twice when the debug_str section has SECTION_MERGE.
253 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
255 * config/soft-fp: New directory. From glibc.
256 * config/soft-fp/t-softfp: New.
257 * config/soft-fp/README: New.
258 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
259 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
260 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
261 (LIBGCC_DEPS): Add $(SFP_MACHINE).
262 * config.gcc: Use rs6000/t-fprules-fpbit or
263 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
265 * config/rs6000/sfp-machine.h: New. Based on glibc.
266 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
268 * config/rs6000/t-fprules: Remove fp-bit rules.
269 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
270 * config/rs6000/t-linux64: Likewise. Remove duplicates from
271 LIB2FUNCS_EXTRA. Remove fp-bit rules.
272 (softfp_wrap_start, softfp_wrap_end): New.
274 2006-04-18 DJ Delorie <dj@redhat.com>
276 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
278 2006-04-18 Devang Patel <dpatel@apple.com>
280 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
282 2006-04-18 Nick Clifton <nickc@redhat.com>
284 * config/sh/t-symbian: Add rule to build sh-c.o
285 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
286 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
287 (sh_symbian_encode_section_info): Likewise.
289 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
291 * builtins.c (expand_builtin_strcmp): Cover label definition of
292 do_libcall with HAVE_cmpstrnsi.
294 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
296 * function.c (temp_slots_at_level, max_slot_level): Use VEC
298 * function.h (temp_slot_p): New.
299 (function): Change the type of x_used_temp_slots to
300 VEC(temp_slot_p,gc) *.
302 2006-04-18 Nick Clifton <nickc@redhat.com>
304 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
305 flag_strength_reduce.
307 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
309 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
313 Partial revert of revision 112637
314 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
315 Dale Johannesen <dalej@apple.com>
318 * regclass.c (struct reg_pref): Update documentation.
319 (regclass): Set prefclass to NO_REGS if memory is the best option.
320 (record_reg_classes): Cope with a prefclass set to NO_REGS.
322 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
324 PR tree-optimization/26821
325 * tree-ssa-math-opts.c (get_constant_one): New.
326 (insert_reciprocals): Use it.
328 2006-04-17 Geoffrey Keating <geoffk@apple.com>
330 * dwarf2out.c (free_AT): Delete.
331 (remove_AT): Update string ref counts.
332 (remove_child_TAG): Don't call free_die.
334 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
336 (prune_unused_types_walk_attribs): Reset string refcounts.
337 (prune_unused_types_update_strings): New.
338 (prune_unused_types_prune): Don't make unnecessary stores. Don't
339 call free_die. Do call prune_unused_types_update_strings.
340 (prune_unused_types): Empty debug_str_hash.
342 2006-04-17 Roger Sayle <roger@eyesopen.com>
344 * expr.c (expand_assignment): Optimize away no-op moves where the
345 source and destination are equal and have no side-effects.
347 2006-04-17 Richard Guenther <rguenther@suse.de>
350 * reload.c (push_reload): Guard calls to get_secondary_mem
353 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
355 * alias.c (reg_base_value, old_reg_base_value): Change the
356 type to VEC(rtx,gc) *.
357 (REG_BASE_VALUE, find_base_value, record_set,
358 init_alias_analysis): Use VEC instead of VARRAY.
360 * alias.c (alias_sets): Change the type to
361 VEC(alias_set_entry,gc) *.
362 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
363 VEC instead of VARRAY.
364 (last_alias_set): Remove.
366 * cgraph.h (cgraph_edge_p): New.
367 Update the prototype of cgraph_function_versioning.
368 * cgraphunit.c (cgraph_copy_node_for_versioning,
369 cgraph_function_versioning): Use VEC instead of VARRAY.
370 * ipa-cp.c (ipcp_insert_stage): Likewise.
372 2006-04-16 Roger Sayle <roger@eyesopen.com>
375 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
376 "A op B" or "A op C", we may need to convert A to the type of B and C.
378 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
380 * target.h (struct gcc_target): Add mode_rep_extended.
381 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
382 (init_num_sign_bit_copies_in_rep): Initialize it using
384 (truncate_to_mode): Use it.
385 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
386 * targhooks.h (default_mode_rep_extended): Declare it.
387 * targhooks.c (default_mode_rep_extended): Define it.
388 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
389 default_mode_rep_extended.
390 (TARGET_INITIALIZER): Include it.
391 * doc/tm.texi (Misc): Document it.
392 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
393 (mips_truncated_to_mode): New function.
395 2006-04-16 Roger Sayle <roger@eyesopen.com>
398 * expr.c (compress_float_constant): Copy the narrow constant into
399 a new pseudo before extending it to its final width.
401 2006-04-16 Roger Sayle <roger@eyesopen.com>
402 Andrew Pinski <pinskia@gcc.gnu.org>
403 Dale Johannesen <dalej@apple.com>
406 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
407 special case code to implement V8HImode and V16QImode with SSE2.
409 2006-04-15 Roger Sayle <roger@eyesopen.com>
411 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
412 trees are constructed with a suitable tree type.
414 2006-04-15 Roger Sayle <roger@eyesopen.com>
416 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
417 (integer_onep): Likewise.
418 (integer_all_onesp): Likewise.
419 (integer_pow2p): Likewise.
420 (integer_nonzerop): Likewise.
421 (real_zerop): Likewise.
422 (real_onep): Likewise.
423 (real_twop): Likewise.
424 (real_minus_onep): Likewise.
425 (int_size_in_bytes): Likewise.
426 (host_integerp): Likewise.
428 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
430 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
431 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
432 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
434 * tree-ssa-structalias.h (alias_info): Remove num_references.
436 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
438 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
439 (output_bvb patterns): Likewise.
440 * pa.c (output_bb): Use 'bb' insn for long branch case.
441 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
442 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
443 1. Correct length operand for alternatives 1 and 2.
444 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
445 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
447 2006-04-14 Roger Sayle <roger@eyesopen.com>
449 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
450 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
451 were accidentally reverted by r112959.
453 2006-04-15 Jakub Jelinek <jakub@redhat.com>
456 * except.h (eh_region_outermost): New prototype.
457 * except.c (eh_region_outermost): New function.
458 * tree-cfg.c (find_outermost_region_in_block): Use it.
460 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
462 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
464 * reload1.c (reg_equiv_memory_loc_varray): Rename to
465 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
466 (init_reload, reload): Use VEC instead of VARRAY.
467 * reload.h: Update the prototype for
468 reg_equiv_memory_loc_varray.
470 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
471 Eric Botcazou <ebotcazou@libertysurf.fr>
473 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
476 2005-04-13 Uros Bizjak <uros@kss-loka.si>
479 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
480 to expand fallback builtin function call.
482 2006-04-14 Alan Modra <amodra@bigpond.net.au>
485 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
486 and emit libcall here in case the builtin fails.
487 (expand_builtin_strcmp): Always emit the libcall here on failure.
489 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
491 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
492 * flow.c (reg_n_info): Change the type to
493 VEC(reg_info_p,heap) *.
494 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
496 * regs.h (reg_info_p): New.
497 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
498 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
499 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
502 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
504 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
506 * params.h (MAX_SCHED_READY_INSNS): New macro.
507 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
508 past MAX_SCHED_READY_INSNS during the first scheduling pass.
509 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
510 the ready list for 1 cycle during the first scheduling pass.
511 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
513 2006-04-13 Richard Henderson <rth@redhat.com>
516 * gimple-low.c (lower_omp_directive): Remove dead code.
517 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
518 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
519 * omp-low.c (struct omp_region): Move to tree-flow.h.
520 (root_omp_region): Export.
521 (omp_regions, lookup_omp_region): Remove.
522 (determine_parallel_type): Update for struct omp_region changes.
523 (dump_omp_region): Dump regions with block numbers.
524 (new_omp_region): Take type and block instead of stmt; malloc
526 (free_omp_region_1, free_omp_regions): New.
527 (expand_parallel_call): Take entry_stmt as argument; update for
528 changes to omp_region.
529 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
530 (remove_exit_barriers): New.
531 (expand_omp_parallel): Update for struct omp_region changes.
532 (expand_omp_synch): Likewise.
533 (expand_omp): Likewise.
534 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
535 (expand_omp_for_static_chunk): Likewise.
536 (expand_omp_for): Likewise.
537 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
538 (expand_omp_sections): Similarly, with GOMP_sections_end.
539 (expand_omp_single): New.
540 (build_omp_regions_1): Update for OMP_CONTINUE.
541 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
542 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
543 OMP_SECTIONS_SECTIONS.
544 (lower_omp_single_simple): Don't emit barrier here.
545 (lower_omp_single_copy): Likewise.
546 (lower_omp_single): Fix bindings, and lower to straightline now.
547 (lower_omp_master, lower_omp_ordered): Likewise.
548 (lower_omp_critical): Likewise.
549 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
550 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
551 omp edges, free it afterward.
552 (make_omp_sections_edges): Remove.
553 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
554 (move_stmt_r): Handle OMP_CONTINUE.
555 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
556 statement pointers to basic blocks. Add type member.
557 (root_omp_region, new_omp_region, free_omp_regions): Declare.
558 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
559 * tree-inline.c (estimate_num_insns_1): Likewise.
560 * tree-pretty-print.c (dump_generic_node): Likewise.
561 * tree-ssa-operands.c (get_expr_operands): Likewise.
562 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
563 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
565 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
566 (OMP_SECTIONS_SECTIONS): Remove.
567 (OMP_SECTION_LAST): New.
568 (OMP_RETURN_NOWAIT): New.
570 2006-04-13 Roger Sayle <roger@eyesopen.com>
572 * fold-const.c (native_encode_vector, native_interpret_real):
573 Correct obvious mistakes in the previous check-in.
575 2006-04-13 Roger Sayle <roger@eyesopen.com>
577 * fold-const.c (native_encode_expr): New function to encode
578 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
579 or VECTOR_CST into a specified buffer.
580 (native_encode_int): New function.
581 (native_encode_real): New function.
582 (native_encode_complex): New function.
583 (native_encode_vector): New function.
584 (native_interpret_expr): Inverse of native_encode_expr to convert
585 a target representation into an INTEGER_CST, REAL_CST etc...
586 (native_interpret_int): New function.
587 (native_interpret_real): New function.
588 (native_interpret_complex): New function.
589 (native_interpret_vector): New function.
590 (fold_view_convert_expr): New function to constant fold/evaluate
591 a VIEW_CONVERT_EXPR of a suitable constant expression.
592 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
593 Change call of build1 to fold_build1 when constructing a
596 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
597 Ulrich Weigand <uweigand@de.ibm.com>
600 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
603 2006-04-13 Alan Modra <amodra@bigpond.net.au>
606 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
607 optimize to lo_sum for DFmode if !TARGET_FPRS.
609 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
611 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
612 delete_alias_info, compute_flow_sensitive_aliasing,
613 group_aliases): Use VEC instead of VARRAY.
614 * tree-ssa-structalias.c (update_alias_info): Likewise.
615 * tree-ssa-structalias.h (alias_info): Change the type of
616 processed_ptrs to VEC(tree,heap) *.
618 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
621 * config/sh/lib1funcs.h: New file, broken out of:
622 * config/sh/lib1funcs.asm.
623 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
625 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
626 * config/sh/lib1funcs-Os-4-200.asm: New file.
627 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
628 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
629 (EXTRA_MULTILIB_PARTS): Include it.
630 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
631 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
632 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
633 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
636 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
638 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
639 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
640 tpa_compact, root_var_init, type_var_init): Use VEC instead of
642 * tree-ssa-live.h: Include vecprim.h.
643 (tree_partition_associator_d): Change the type of
644 first_partition to VEC(int,heap) *.
645 (tpa_first_partition): Use VEC instead of VARRAY.
647 * Makefile.in (GTFILES): Move functions.h after tree.h.
648 * function.c (reset_block_changes, record_block_change,
649 check_block_change, free_block_changes): Use VEC instead of
651 * function.h (function): Change the type of
652 ib_boundaries_block to VEC(tree,gc) *.
653 * tree-inline.c (copy_cfg_body): Initialize
654 ib_boundaries_block to NULL instead of (varray_type) 0.
656 2006-04-12 Roger Sayle <roger@eyesopen.com>
658 * expr.c (emit_group_store): Correct operand order in call to
659 subreg_lowpart_offset. Always create paradoxical SUBREGs with
660 a SUBREG_BYTE of zero.
662 2006-04-12 Richard Guenther <rguenther@suse.de>
664 * profile.c (compute_branch_probabilities): Remove code
665 encapsulated in !ir_type (), which are remanents of the
666 removed RTL profiling code.
667 * rtl-profile.c: Remove.
669 2006-04-12 Alan Modra <amodra@bigpond.net.au>
671 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
672 magic NULL_RTX comment.
673 (function_arg): Store entire fp arg to mem if any part should go
675 (rs6000_arg_partial_bytes): Adjust for above change.
677 2006-04-11 Roger Sayle <roger@eyesopen.com>
679 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
680 if it hasn't been initialized by dwarf2out_init.
682 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
684 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
685 symbolic constants in branch patterns.
687 2006-04-11 Roger Sayle <roger@eyesopen.com>
689 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
691 2006-04-11 Richard Sandiford <richard@codesourcery.com>
693 PR rtl-optimization/27073
694 * gcse.c (try_replace_reg): Revert last change. Continue to search
695 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
698 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
700 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
701 aggregate types other than record and union types.
702 (function_arg): Likewise.
703 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
705 (function_value): In 64-bit mode, return objects that require it
708 2006-04-11 Roger Sayle <roger@eyesopen.com>
710 * dwarf2out.c (premark_used_types): Remove problematic prototype.
712 2006-04-11 Jakub Jelinek <jakub@redhat.com>
714 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
716 2006-04-03 Jeff Law <law@redhat.com>
719 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
720 alias information too.
722 2006-04-10 Mike Frysinger <vapier@gentoo.org>
724 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
726 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
729 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
730 (premark_used_types_helper): New.
731 (premark_used_types): New.
732 (gen_subprogram_die): Call premark_used_types.
733 (prune_unused_types_walk): Do not prune perennial dies.
734 * function.c (used_types_insert): New.
735 * function.h (struct function): Add used_types_hash field.
736 (used_types_insert): Add prototype.
737 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
738 * c-parser.c (c_parser_cast_expression): Save casted types in used
741 2006-04-11 Mark Mitchell <mark@codesourcery.com>
744 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
745 rs6000_explicit_options.float_gprs.
747 2006-04-10 Roger Sayle <roger@eyesopen.com>
749 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
750 from ix86_expand_vector_init_low_nonzero. Take an additional
751 one_var argument indicating which element is non-zero. Support
752 one_var != 0 for V4SFmode and V4SImode by permuting the result.
753 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
754 with one_var instead of ix86_expand_vector_init_low_nonzero.
756 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
758 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
759 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
760 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
761 build/genextract.o): Depend on vecprim.h.
762 * cfglayout.c, df-problems.c, function.c, genextract.c,
763 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
764 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
768 2006-04-10 Geoffrey Keating <geoffk@apple.com>
770 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
771 Declare VECs of this type.
772 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
773 (remove_children): Delete.
774 (add_dwarf_attr): Use VEC routines.
775 (add_AT_flag): Update for changes to add_dwarf_attr.
776 (add_AT_int): Likewise.
777 (add_AT_unsigned): Likewise.
778 (add_AT_long_long): Likewise.
779 (add_AT_vec): Likewise.
780 (add_AT_string): Likewise.
781 (add_AT_die_ref): Likewise.
782 (add_AT_fde_ref): Likewise.
783 (add_AT_loc): Likewise.
784 (add_AT_loc_list): Likewise.
785 (add_AT_addr): Likewise.
786 (add_AT_lbl_id): Likewise.
787 (add_AT_lineptr): Likewise.
788 (add_AT_macptr): Likewise.
789 (add_AT_offset): Likewise.
790 (add_AT_range_list): Likewise.
791 (get_AT): Use VEC_iterate.
792 (remove_AT): Use VEC_ordered_remove.
793 (free_die): Fold remove_children into here; have it use VEC_iterate.
794 (print_die): Use VEC_iterate on attrs.
795 (reverse_die_lists): Don't reverse attr lists.
796 (die_checksum): Use VEC_iterate on attrs.
797 (same_die_p): Likewise.
798 (output_location_lists): Likewise.
799 (build_abbrev_table): Likewise.
800 (size_of_die): Likewise.
801 (unmark_all_dies): Likewise.
802 (output_abbrev_section): Likewise.
803 (output_die): Likewise.
804 (prune_unused_types_walk_attribs): Likewise.
806 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
808 * doc/install.texi (*-*-solaris2*): Point to the configure page.
810 2006-04-10 Jakub Jelinek <jakub@redhat.com>
813 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
815 2006-04-09 Roger Sayle <roger@eyesopen.com>
817 * expr.c (store_constructor): Don't bother clearing target if
818 we're about to assign a vector to it using vec_init_optab.
820 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
822 * tree-ssa-alias.c (lhs_may_store_to): New function.
823 (recalculate_used_alone): Handle LHS of calls.
825 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
829 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
830 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
831 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
832 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
833 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
834 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
835 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
836 stubs. Add ".align 8" directives before all ".dword" directives.
837 (GTHREAD_USE_WEAK): Revise comment.
838 (TARGET_ATTRIBUTE_WEAK): Define.
839 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
840 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
841 * stublib.c: New file.
846 * pa.md (cbranch patterns): Revise arguments used in calls to
847 output_cbranch, output_bb and output_bvd. Add long branch length
849 (fbranch patterns): Handle long branches.
850 (jump): Revise length check. Revise arguments for output_lbranch call.
851 Add long branch length attributes.
852 (decrement_and_branch_until_zero): Add long branch length attributes.
853 (output_movb, output_parallel_addb and output_parallel_movb patterns):
854 Likewise. Revise arguments for output_parallel_addb and
855 output_parallel_movb calls.
856 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
857 output_parallel_movb and output_parallel_addb): Update prototypes.
858 * pa.c (output_cbranch): Revise arguments. Correct handling of
859 nullification in long branches.
860 (output_lbranch): Add new argument to control extraction of delay
862 (output_bb): Handle long branches.
863 (output_bvb, output_dbra, output_movb, output_parallel_movb,
864 output_parallel_addb): Likewise.
866 2006-04-09 Richard Sandiford <richard@codesourcery.com>
868 PR rtl-optimization/27073
869 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
872 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
874 * tree.h (tree_memory_tag): Add old_used_alone.
875 (SMT_OLD_USED_ALONE): New macro.
876 * tree-ssa-alias.c (recalculate_used_alone): Stop
877 marking things for renaming unnecessarily.
879 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
881 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
882 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
883 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
884 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
885 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
886 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
887 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
888 spelling convensions.
889 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
890 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
891 typos. Follow spelling conventions.
893 2006-04-07 DJ Delorie <dj@redhat.com>
895 * config/m32c/m32c.c (m32c_function_arg): Structures are always
897 (m32c_init_cumulative_args): When a function returns a structure,
898 always pass the pointer to that return area on the stack.
899 (m32c_function_arg_advance): Don't increment the parameter number
900 if we're processing the returned structure pointer.
901 (pushm_info): Reverse order of registers.
903 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
905 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
906 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
907 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
908 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
910 * tree-chrec.c (chrec_fold_multiply_poly_poly,
911 chrec_fold_multiply): Same.
912 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
913 force_expr_to_var_cost): Same.
914 * tree-mudflap.c (mf_xform_derefs_1): Same.
915 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
917 2006-04-07 David Edelsohn <edelsohn@gnu.org>
919 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
920 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
923 2006-04-07 Jan Hubicka <jh@suse.cz>
925 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
927 2006-04-07 Richard Guenther <rguenther@suse.de>
929 PR tree-optimization/26135
930 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
931 loads for store copy-prop.
932 (copy_prop_visit_stmt): Likewise.
934 2006-04-05 Robert Millan <robertmh@gnu.org>
936 * gcc/config/i386/linux.h: Add a comment to mark macros that are
937 being overriden in config/k*bsd-gnu.h.
938 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
940 * gcc/config/knetbsd-gnu.h: Ditto.
942 2006-04-06 Jan Hubicka <jh@suse.cz>
946 * coverage.c (coverage_checksum_string): Reorganize loop to not read
949 2006-04-06 Mike Stump <mrs@apple.com>
951 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
952 for HAVE_nonlocal_goto to be consistent.
953 (expand_builtin_nonlocal_goto): Likewise.
954 (expand_builtin_strcmp): Use #ifdef instead of #if
955 for HAVE_cmpstrnsi to be consistent.
957 2006-04-05 DJ Delorie <dj@redhat.com>
959 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
962 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
964 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
965 got-relative addressing for anything but SImode.
967 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
968 even if the calling function doesn't modify them.
970 2006-04-05 Richard Guenther <rguenther@suse.de>
972 PR tree-optimization/26919
973 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
974 to cgraph_estimate_size_after_inlining.
976 2006-04-05 Alan Modra <amodra@bigpond.net.au>
978 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
980 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
982 PR tree-optimization/26996
983 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
984 VECTOR_TYPE variables.
986 2006-04-05 Richard Guenther <rguenther@suse.de>
988 PR tree-optimization/26763
989 * fold-const.c (fold_comparison): Move folding of
990 PTR + CST CMP PTR + CST ...
991 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
993 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
995 * doc/install.texi (Prerequisites): Refine some wording on
996 bootstrapping and ksh.
997 Move the version numbers of DejaGnu here from the testing section
998 and fix casing of names.
999 Fix markup and clarify wording for autogen requirements.
1000 Refer to GCJ instead of just java.
1001 Refer to SVN instead of CVS.
1002 Describe diffutils as useful instead of necessary.
1003 (Downloading the source): Refer to SVN instead of CVS.
1004 Adjust a link to our web site accordingly.
1005 (Configuration): Fix casing of Bison.
1006 (Building): Refer to SVN instead of CVS.
1007 Fix a sentence on the use of Bison and remove duplicate (and
1008 incorrect) version number of Bison requirement.
1009 Remove one redundant list of packages needed for building.
1010 (Specific): Avoid reference to CVS.
1012 2006-04-04 Eric Christopher <echristo@apple.com>
1014 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1015 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1016 (rs6000_handle_struct_attribute): New.
1017 (rs6000_ms_bitfield_layout_p): Ditto.
1019 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1021 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1022 NULL for dso parameter to atexit_common.
1024 2006-04-04 Eric Christopher <echristo@apple.com>
1026 * config/i386/i386.c (machopic_output_stub): Output \t
1027 between instructions and operands.
1029 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1031 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1032 satisfies_constraint_[IL] to explicit tests on value.
1034 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1036 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1037 set_nb_iterations_in_loop): Use build_int_cst instead of
1039 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1040 build_int_cst instead of convert.
1042 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1044 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1045 new value 2 for incoming.
1046 * function.c (expand_function_start): Call struct_value_rtx
1048 * config/sparc/sparc.md: Comment updated_return.
1049 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1050 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1051 struct return if sparc_std_struct_return and incoming is 2.
1052 (print_operand): Do not adjust return if
1053 sparc_std_struct_return.
1055 2006-04-04 Roger Sayle <roger@eyesopen.com>
1057 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1058 convert in the middle-end.
1059 * expr.c (store_expr, store_constructor, get_inner_reference,
1060 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1062 * tree.c (build_range_type): Likewise.
1064 2006-04-04 Tom Tromey <tromey@redhat.com>
1066 * doc/install.texi (Prerequisites): Mention jar.
1068 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1070 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1073 2006-04-04 Matthias Klose <doko@debian.org>
1075 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1077 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1079 * doc/extend.texi (Function Attributes): Rewrite visibility
1080 attribute documentation.
1081 * doc/invoke.texi (C++ Dialect Options): Rewrite
1082 -fvisibility-inlines-hidden documentation to describe something
1083 entirely different, although in practise compatible.
1084 (Code Gen Options): Warn about system headers in -fvisibiltity=
1087 * doc/extend.texi (Other Builtins): Document that
1088 __builtin_nan is a compile-time constant only when its argument
1091 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1093 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1094 trying to remove TRUNCATE check if all bits outside the new mode
1095 are identical to the sign bit.
1097 2006-04-03 Jeff Law <law@redhat.com>
1099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1100 and operand scanning in some common cases.
1102 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1103 Dale Johannesen <dalej@apple.com>
1106 * regclass.c (struct reg_pref): Update documentation.
1107 (regclass): Set prefclass to NO_REGS if memory is the best option.
1108 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1109 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1110 into account. For non-registers, equate an empty preferred
1111 reload class to a `!' in the constraint; move the if clause to
1112 do so after those that reject the insn.
1113 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1115 (find_dummy_reload): Likewise.
1116 * doc/tm.texi (Register Classes): Document what it means
1117 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1118 * config/i386/i386.c (ix86_preferred_reload_class): Force
1119 using SSE registers (and return NO_REGS for floating-point
1120 constants) if math is done with SSE.
1121 (ix86_preferred_output_reload_class): New.
1122 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1123 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1124 * config/i386/i386.md: Remove # register preferences.
1126 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1129 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1130 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1131 the type of nb_iter.
1132 (instantiate_parameters_1): Convert the operands before calling
1133 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1134 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1136 2006-04-02 Roger Sayle <roger@eyesopen.com>
1138 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1139 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1141 * dojump.c (do_jump): Likewise.
1142 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1143 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1144 gimplify_boolean_expr): Likewise.
1145 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1146 * varasm.c (array_size_for_constructor): Likewise.
1147 * tree-object-size.c (compute_object_offset): Likewise.
1149 2006-04-02 Roger Sayle <roger@eyesopen.com>
1152 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1153 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1155 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1157 PR tree-optimization/26939
1158 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1160 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1162 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1163 at_stmt. Convert the type of operands before calling
1164 build_polynomial_chrec.
1165 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1167 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1168 (instantiate_parameters_1): Convert the type of operands before calling
1169 build_polynomial_chrec.
1170 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1171 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1172 reset_evolution_in_loop): Insert asserts to check the types of the
1174 (chrec_type): Moved...
1175 (eq_evolutions_p): Use operand_equal_p.
1176 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1177 the types of the operands.
1178 (chrec_type): ...here.
1179 * tree-data-ref.c (create_data_ref): Convert the operands before
1180 calling chrec_replace_initial_condition.
1181 (same_access_functions, analyze_subscript_affine_affine,
1182 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1183 (compute_subscript_distance, analyze_ziv_subscript,
1184 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1185 analyze_miv_subscript): Convert the operands before calling
1186 chrec_fold_minus or chrec_fold_plus.
1188 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1190 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1191 the dependence_relations vector.
1192 (compute_data_dependences_for_loop): Adjust call to
1193 compute_all_dependences.
1195 2006-04-01 Roger Sayle <roger@eyesopen.com>
1196 Richard Henderson <rth@redhat.com>
1198 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1199 gimple_boolify on the condition before calling gimplify_expr.
1201 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1203 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1204 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1205 the frame size. Update to use the new macros.
1206 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1207 * config/xtensa/ieee754-df.S: Likewise.
1209 2006-03-31 Richard Henderson <rth@redhat.com>
1211 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1212 (make_edges): ... here. Control fallthru creation with a local
1213 variable. Do not play with fake edges.
1214 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1215 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1218 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1220 * dwarf2.h (DW64_CIE_ID): Define.
1221 * dwarf2out.c (DWARF_CIE_ID): Define.
1222 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1223 length header. Use DWARF_CIE_ID.
1224 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1225 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1227 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1229 * config/sh/linux-atomic.asm: New file.
1230 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1232 2006-03-31 DJ Delorie <dj@redhat.com>
1234 * config/m32c/cond.md: Set condition flags properly throughout.
1235 * config/m32c/minmax.md: Likewise.
1236 * config/m32c/prologue.md: Likewise.
1237 * config/m32c/bitops.md: Likewise.
1238 * config/m32c/muldiv.md: Likewise.
1239 * config/m32c/mov.md: Likewise.
1240 * config/m32c/addsub.md: Likewise.
1241 * config/m32c/m32c.md: Likewise.
1242 * config/m32c/jump.md: Likewise.
1243 * config/m32c/shift.md: Likewise.
1245 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1246 conditionally output the pattern for this.
1247 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1248 (m32c_compare_redundant): New.
1249 (m32c_output_compare): New.
1250 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1252 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1253 dest, not src. Allow other 4-byte modes.
1255 2006-03-30 Denis Chertykov <denisc@overta.ru>
1257 * doc/md.texi: Refer to avr/constraints.md instead of
1260 2006-03-30 Roger Sayle <roger@eyesopen.com>
1262 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1263 signed vs. unsigned comparison failures on some hosts.
1265 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1268 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1269 change to FLOAT_REGS.
1271 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1272 (rs6000_override_options): Use it.
1273 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1274 only for -mabi=spe/no-spe and -mabi=altivec.
1276 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1278 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1281 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1283 * Makefile.in: Rename docdir to gcc_docdir.
1285 2006-03-30 Roger Sayle <roger@eyesopen.com>
1288 * expr.c (emit_group_store): Optimize group stores into a pseudo
1289 register by using a paradoxical subreg to initialize the destination
1290 if the first or last member of the group specifies a "low part".
1292 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1295 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1296 * target.h (struct gcc_target.speculate_insn): Change type of the
1297 second parameter to 'int'.
1298 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1299 the second operand of the DEPS_LIST.
1300 (copy_DEPS_LIST_list): Update reference to the second operand of the
1302 * rtl.h (alloc_DEPS_LIST): Update signature.
1303 * sched-int.h (ds_t): Change typedef to 'int'.
1304 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1306 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1308 * haifa-sched.c (try_ready): Change condition to restore
1309 non-speculative pattern of the instruction.
1310 (process_insn_depend_be_in_spec): Code to keep probability of the
1311 speculative dependence non-decreasing.
1313 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1315 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1316 (single_move_for_movmem): ... this. Also change all uses.
1317 (bfin_expand_strmov): Renamed to...
1318 (bfin_expand_movmem): ... this. Also change all uses.
1319 * config/bfin/bfin.md (movstrsi): Renamed to...
1320 (movstrsi): ...this.
1322 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1324 PR tree-optimization/26830
1326 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1327 (copy_prop_visit_stmt): Remove write-only variable ann.
1328 (init_copy_prop): Check variable loop depth here. Do not simulate
1329 memory-tag and virtual operand PHIs except for store copy prop.
1331 2006-03-30 Richard Guenther <rguenther@suse.de>
1333 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1334 variants with double arguments.
1336 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1338 * genpreds.c (write_tm_constrs_h): Delete variable p.
1339 * genconditions.c (write_header): Add tm-constrs.h to included
1341 * genpeep.c (main): Add toplev.h to included headers.
1342 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1343 (build/genpeep.o): Add toplev.h dependency.
1344 * config/rs6000/constraints.md: Add "W" constraint.
1346 2006-03-29 Roger Sayle <roger@eyesopen.com>
1348 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1349 sizes by correctly testing whether the size fits a host integer.
1350 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1351 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1352 SImode range for the default sizetype and bitsizetype.
1354 2006-03-29 Roger Sayle <roger@eyesopen.com>
1356 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1357 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1358 quickly if the argument is already of the correct type.
1359 Call fold_build1 instead of build1. Tidy up blank lines.
1361 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1363 * genemit.c (main): Add tm-constrs.h to included headers.
1364 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1365 * genpeep.c (main): Add tm-constrs.h to included headers.
1366 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1367 (write_tm_constrs_h): this and write complete file.
1368 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1369 (write_insn_preds_c): Add tm-constrs.h to included headers.
1370 (gen_constrs): New variable.
1371 (parse_option): Parse "-c".
1372 (main): Invoke write_tm_constrs_h.
1373 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1374 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1375 (object_out_file): Add tm-constrs.h dependency.
1376 (insn-emit.o): Same.
1377 (insn-output.o): Same.
1378 (insn-peep.o): Same.
1379 (insn-preds.o): Same.
1380 (insn-recog.o): Same.
1381 (tm-constsr.h): New target.
1382 (s-constrs-h): New target.
1384 * config/rs6000/constraints.md: New file.
1385 * config/rs6000/rs6000.c: Include tm-constrs.h.
1386 (num_insn_constant_wide): Convert to satisfies_constraint.
1387 (rs6000_rtx_costs): Convert to satisfies_constraint.
1388 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1389 (CONST_OK_FOR_LETTER_P): Delete.
1390 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1391 (EXTRA_CONSTRAINT): Delete.
1392 (EXTRA_MEMORY_CONSTRAINT): Delete.
1393 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1394 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1395 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1396 satisfies_constraint.
1398 * config/i386/i386.c: Include tm-constrs.h.
1400 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1402 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1403 * tree-data-ref.c (find_data_references_in_loop,
1404 compute_data_dependences_for_loop): Use pointers to VEC.
1405 (analyze_all_data_dependences): Adjust calls.
1406 * tree-data-ref.h (find_data_references_in_loop,
1407 compute_data_dependences_for_loop): Adjust declarations.
1408 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1409 compute_data_dependences_for_loop.
1411 2006-03-29 Paul Brook <paul@codesourcery.com>
1413 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1416 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1418 PR tree-optimization/26859
1419 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1421 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1422 for the step after fold_convert.
1424 2006-03-29 Paul Brook <paul@codesourcery.com>
1426 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1427 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1429 2006-03-29 Paul Brook <paul@codesourcery.com>
1432 * targhooks.c (default_narrow_bitfield): New fuction.
1433 * targhooks.h (default_narrow_bitfield): add prototype.
1434 * target.h (gcc_target): Add narrow_volatile_bitfield.
1435 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1436 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1437 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1438 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1440 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1442 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1444 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1445 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1446 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1447 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1448 (s390_function_arg_float): Allow SDmode and DDmode values to be
1449 passed in floating point registers.
1450 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1451 check with SCALAR_FLOAT_MODE_P.
1452 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1454 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1456 PR tree-optimization/25985
1457 * tree-ssa-loop-niter.c (number_of_iterations_le,
1458 number_of_iterations_ne): Make comments more precise.
1459 (number_of_iterations_cond): Add only_exit argument. Use the
1460 fact that signed variables do not overflow only when only_exit
1462 (loop_only_exit_p): New.
1463 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1464 number_of_iterations_cond.
1466 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1468 PR tree-optimization/26643
1469 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1472 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1474 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1475 (divsi3_i4_int): Likewise.
1477 2006-03-28 Roger Sayle <roger@eyesopen.com>
1479 * expr.c (emit_group_store): Only create a new pseudo reg if the
1480 quantity it needs to hold isn't already a suitable pseudo.
1482 2006-03-28 Jeff Law <law@redhat.com>
1484 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1485 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1487 2006-03-28 Roger Sayle <roger@eyesopen.com>
1489 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1490 the equivalent ~X & Y, and the symmetry related transformations.
1491 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1492 ~X & Y, and symmetry related transforms.
1494 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1496 Revert my 2006-03-27 patches.
1498 2006-03-28 Roger Sayle <roger@eyesopen.com>
1500 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1501 ~(T1)X, when T1 and T2 are integer types of the same precision
1502 and (T2)X isn't an extension.
1504 2006-03-28 Jeff Law <law@redhat.com>
1506 PR tree-optimization/26796
1507 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1508 need EH edge cleanups rather than purging them immediately.
1509 (eliminate_degenerate_phis): Handle queued EH cleanups.
1511 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1513 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1516 2006-03-27 Roger Sayle <roger@eyesopen.com>
1519 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1520 cast BIT_NOT_EXPR operand to the correct type.
1522 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1524 * tree-loop-linear.c: Don't include varray.h.
1525 (gather_interchange_stats, try_interchange_loops,
1526 linear_transform_loops): Use VEC instead of VARRAY.
1527 * lambda-mat.c: Don't include varray.h.
1528 * tree-chrec.c: Same.
1529 * lambda-trans.c: Same.
1530 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1531 VEC instead of VARRAY.
1532 * tree-vectorizer.h: Idem.
1533 * tree-data-ref.c (dump_data_references,
1534 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1535 initialize_data_dependence_relation, finalize_ddr_dependent,
1536 compute_all_dependences, find_data_references_in_loop,
1537 compute_data_dependences_for_loop, analyze_all_data_dependences,
1538 free_dependence_relation, free_dependence_relations,
1539 free_data_refs): Idem.
1540 * tree-data-ref.h (data_reference_p, subscript_p): New.
1541 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1542 VEC instead of VARRAY.
1543 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1544 (find_data_references_in_loop, compute_data_dependences_for_loop,
1545 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1546 dump_data_dependence_relations, free_dependence_relations,
1547 free_data_refs): Adjust declaration.
1548 (lambda_transform_legal_p): Move declaration here...
1549 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1550 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1551 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1552 vect_analyze_data_refs): Use VEC instead of VARRAY.
1553 * lambda.h (lambda_transform_legal_p): ...from here.
1554 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1555 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1556 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1557 tree-chrec.o): Don't depend on VARRAY_H.
1559 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1561 * rtl.def (Copyright): Update date.
1562 (DEPS_LIST): Change type of the second operand to 'int'.
1563 * target.h (Copyright): Update date.
1564 (struct gcc_target.speculate_insn): Change type of the second parameter
1566 * lists.c (Copyright): Update date.
1567 (alloc_DEPS_LIST): Change signature. Update reference to the second
1568 operand of the DEPS_LIST.
1569 (copy_DEPS_LIST_list): Update reference to the second operand of the
1571 * rtl.h (Copyright): Update date.
1572 (alloc_DEPS_LIST): Update signature.
1573 * sched-int.h (Copyright): Update date.
1574 (ds_t): Change typedef to 'int'.
1575 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1577 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1579 * haifa-sched.c (Copyright): Update date.
1580 (try_ready): Change condition to restore non-speculative pattern
1582 (process_insn_depend_be_in_spec): Code to keep probability of the
1583 speculative dependence non-decreasing.
1585 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1587 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1588 shut up the compiler.
1590 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1592 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1593 to use lib prefix for target.
1594 ($(T)libic_invalidate_array_4-200.a): Likewise.
1595 ($(T)libic_invalidate_array_4a.a): Likewise.
1597 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1598 J"orn Rennecke <joern.rennecke@st.com>
1600 * superh.opt: New file.
1601 * sh.c (boardtype, osruntime): Remove.
1602 * superh.h (SUBTARGET_OPTIONS): Remove.
1603 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1605 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1606 arguments with ^ and/or [].
1608 * config.gcc (sh-*-*): Add quoting to account for quirk of
1610 Replace == with = in enable_incomplete_targets test.
1612 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1613 with MASK_LITTLE_ENDIAN.
1615 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1616 * config/sh/sh.opt: Added to some comments.
1617 * config/sh/superh.h: Removed some chaff.
1619 * config/sh/sh.opt: Add m4-[1234]00* options.
1620 * config/sh/sh.c (sh_handle_option): Likewise.
1621 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1622 (ic_invalidate_array_4-100.o): New rule.
1623 ($(T)libic_invalidate_array_4-100.a): Likewise.
1624 (ic_invalidate_array_4-200.o): Likewise.
1625 ($(T)libic_invalidate_array_4-200.a): Likewise.
1626 (ic_invalidate_array_4a.o): Likewise.
1627 ($(T)libic_invalidate_array_4a.a): Likewise.
1628 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1629 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1631 * config/sh/crt1.asm: Merged in profiling code.
1632 * config/sh/superh.h (STARTFILE_SPEC): Override.
1633 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1634 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1635 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1637 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1638 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1639 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1641 * sh.opt (mpretend-cmove): New option.
1642 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1643 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1644 (movsicc): Add TARGET_PRETEND_CMOVE code.
1646 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1648 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1649 s390_class_max_nregs): New function prototypes.
1650 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1651 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1652 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1653 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1655 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1657 * dwarf2out.c (add_location_or_const_value_attribute): Call
1658 tree_add_const_value_attribute if nothing else works.
1659 (reference_to_unused): New.
1660 (rtl_for_decl_init): Use reference_to_unused to decide whether
1661 to output an initializer.
1663 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1666 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1667 peephole removing spe frob_di_df_2.
1669 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1671 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1672 (subscript_dependence_tester_1): Declared.
1673 (print_dir_vectors, print_dist_vectors): New.
1674 (debug_data_dependence_relation): New.
1675 (dump_data_dependence_relation): Print more details.
1676 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1677 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1678 (save_dist_v, save_dir_v, add_outer_distances,
1679 build_classic_dist_vector_1): New.
1680 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1681 Don't test for lambda_vector_lexico_pos.
1682 (same_access_functions, add_multivariate_self_dist,
1683 add_other_self_distances, dir_from_dist): New.
1684 (build_classic_dir_vector): Replace implementation almost identical to
1685 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1687 (subscript_dependence_tester_1): New.
1688 (subscript_dependence_tester): Handle the lexicographically negative
1689 distance vectors by recomputing the dependence relation.
1690 (compute_affine_dependence): Remove parameter loop_nest_depth.
1691 (compute_self_dependence): Don't call compute_subscript_distance.
1692 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1693 Add a parameter for the loop_nest.
1694 (find_loop_nest_1, find_loop_nest): New.
1695 (compute_data_dependences_for_loop): Compute the loop nest, and give
1696 up if the nest is not well formed.
1697 * tree-data-ref.h (loop_p): New.
1698 (struct data_dependence_relation): Replace size_vect field with
1699 loop_nest, a vec of loops.
1700 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1701 (DDR_LOOP_NEST): New.
1702 (print_dir_vectors, print_dist_vectors,
1703 debug_data_dependence_relation): Declared.
1704 (index_in_loop_nest): New.
1705 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1706 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1709 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1711 * simplify-rtx.c (simplify_relational_operation): Call
1712 simplify_relational_operation_1 even if mode is VOIDmode.
1714 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1716 PR tree-optimization/26804
1717 * tree.h (DECL_CALL_CLOBBERED): New macro.
1718 (tree_decl_common): Add call_clobbered_flag.
1719 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1720 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1721 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1722 (mark_non_addressable): Ditto.
1723 * tree-ssa.c (verify_call_clobbered): New function.
1724 (verify_alias_info): Use it.
1725 * tree-pass.h (pass_reset_cc_flags): New prototype.
1726 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1727 (reset_cc_flags): New function.
1728 * passes.c (init_optimization_passes): Call reset_cc_flags after
1729 initializing referenced_vars.
1731 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1732 Roger Sayle <roger@eyesopen.com>
1735 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1736 to 1.0 for non-real operands. Implement A / A optimization for
1739 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1741 * config/i386/i386.c (size_cost): Correct the comment for
1742 cost of storing fp registers.
1743 (i386_cost): Likewise.
1744 (i486_cost): Likewise.
1745 (pentium_cost): Likewise.
1746 (pentiumpro_cost): Likewise.
1747 (k6_cost): Likewise.
1748 (athlon_cost): Likewise.
1749 (k8_cost): Likewise.
1750 (pentium4_cost): Likewise.
1751 (nocona_cost): Likewise.
1752 (generic64_cost): Likewise.
1753 (generic32_cost): Likewise.
1755 2006-03-24 Denis Chertykov <denisc@overta.ru>
1757 * config/avr/avr-protos.h (extra_constraint): Delete.
1758 (extra_constraint_Q): New declaration.
1759 * config/avr/constraints.md: New file.
1760 * config/avr/avr.md: Include it.
1761 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1762 (TMP_REGNO, ZERO_REGNO): Likewise.
1763 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1764 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1765 (extra_constraint): Delete.
1766 (extra_constraint_Q): Test for memory constraint 'Q'.
1767 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1768 (REG_CLASS_FROM_LETTER): Delete.
1769 (CONST_OK_FOR_LETTER_P): Delete.
1770 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1771 (EXTRA_CONSTRAINT): Delete.
1772 (TMP_REGNO): Delete.
1773 (ZERO_REGNO): Delete.
1775 2006-03-24 Jeff Law <law@redhat.com>
1777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1778 directly. Call mark_new_vars_to_rename slightly earlier.
1780 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1782 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1784 (gen_compile_unit_die): Use new language types for Objective-C and
1786 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1787 DW_LANG_C_plus_plus.
1790 * config/t-darwin (crt3.o): Work around bug 26840.
1791 * config/darwin-crt3.c: Rewrite.
1792 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1794 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1796 * doc/invoke.texi: Document -femit-class-debug-always
1797 * common.opt: Add -femit-class-debug-always.
1799 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1801 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1802 index and base register.
1803 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1804 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1805 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1806 REGNO_OK_FOR_INDEX_P.
1807 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1809 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1810 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1811 REG_OK_FOR_BASE_P): Definitions removed.
1813 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1816 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1817 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1818 set yet or weren't marked as local yet.
1820 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1822 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1825 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1827 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1828 (rs6000_legitimate_small_data_p): Delete.
1829 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1830 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1831 and make static. Add forward declaration. Update uses.
1832 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1833 of offsettable_memref_p.
1834 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1835 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1837 2006-03-24 Jeff Law <law@redhat.com>
1839 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1840 around bug in immediate-use iterator.
1842 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1845 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1846 or __LITTLE_ENDIAN__.
1848 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1850 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1851 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1852 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1853 * config/sh/sh.opt (mdiv=): Amend description.
1854 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1855 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1856 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1857 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1858 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1859 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1860 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1861 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1862 TARGET_DIVIDE_CALL_FP.
1864 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1866 * haifa-sched.c (choose_ready): Fix type of the local variable.
1867 Move local variables. Add comment.
1868 (check_reg_live): Change signature. Make callable from debugger.
1869 * sched-int.h (check_reg_live): Update signature.
1870 * sched-ebb.c (check_reg_live): Update parameters.
1871 * sched-rgn.c (check_reg_live): Ditto.
1872 (region_head_or_leaf_p): Check pointer before dereferencing.
1873 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1874 before reload on optimization levels below 1.
1876 2006-03-23 Richard Henderson <rth@redhat.com>
1878 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1882 * config/alpha/predicates.md (local_symbolic_operand): Reject
1885 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1888 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1889 expressions which have overflowed constants.
1891 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1893 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1895 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1897 * cfgloopmanip.c (create_loop_notes): Removed.
1898 * final.c (final_scan_insn): Do not handle loop notes.
1899 * jump.c (squeeze_notes): Ditto.
1900 * cfglayout.c (skip_insns_after_block,
1901 duplicate_insn_chain): Ditto.
1902 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1904 * cfgloop.h (create_loop_notes): Declaration removed.
1906 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1908 * varasm.c (output_constant_pool): Restore fnname and fndecl
1910 (assemble_start_function): Adjust call accordingly.
1911 (assemble_end_function): Likewise.
1913 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1916 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1919 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1921 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1924 * system.h (ICE_EXIT_CODE): New macro.
1925 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1926 (diagnostic_action_after_output): Likewise.
1927 * gcc.c (fatal_ice): New function.
1928 (execute): Use it instead of fatal.
1929 (fancy_abort): Likewise.
1930 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1932 2006-03-22 Jeff Law <law@redhat.com>
1934 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1935 iv_analyze_result returning false.
1937 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1939 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1941 2006-03-22 Richard Henderson <rth@redhat.com>
1944 * except.c (duplicate_eh_regions_0): New.
1945 (duplicate_eh_region_1): Duplicate the children of the node as
1946 well as the node itself. Link them up properly.
1947 (duplicate_eh_region_2): Merge into ...
1948 (duplicate_eh_regions): ... here. Take copy_region argument, and
1949 copy only a sub-tree if asked. Simplify copying and fixup.
1950 (eh_region_outer_p): New.
1951 * except.h (duplicate_eh_regions): Update decl.
1952 (eh_region_outer_p): Declare.
1953 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1954 (lower_omp_master): Likewise.
1955 (lower_omp_ordered): Likewise.
1956 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1957 (move_stmt_r): Use it to remap labels. Handle recursion vs
1958 remap_decls_p properly.
1959 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1960 (find_outermost_region_in_block): New.
1961 (new_label_mapper): New.
1962 (move_sese_region_to_fn): Copy eh information to the new function
1964 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1966 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1969 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1971 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1972 into shared libraries.
1974 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1976 * doc/md.texi: Refer to i386/constraints.md instead of
1978 * config/i386/constraints.md: New file, extracted from...
1979 * config/i386/predicates.md: ...here.
1980 * config/i386/i386.md: Include constraints.md.
1982 2006-03-21 Jason Merrill <jason@redhat.com>
1984 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1987 * expr.c (init_block_move_fn): Force default visibility.
1988 (init_block_clear_fn): Likewise.
1989 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1990 * targhooks.c (default_external_stack_protect_fail): Likewise.
1992 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1994 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1995 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1996 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1997 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1998 (loadgp): Use mips_current_loadgp_style.
1999 (loadgp_noshared): New pattern.
2000 (sibcall_internal): Use MIPS_CALL.
2001 (sibcall_value_internal): Likewise.
2002 (sibcall_value_multiple_internal): Likewise.
2003 (call_internal): Likewise.
2004 (call_value_internal): Likewise.
2005 (call_value_multiple_internal): Likewise.
2006 (call_split): Use MIPS_CALL and add an 'S' constraint.
2007 (call_value_split): Likewise.
2008 (call_value_multiple_split): Likewise.
2009 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2010 (-mshared): New option.
2011 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2012 (mips_current_loadgp_style): Declare.
2013 * config/mips/mips.c (mips_classify_symbol): Avoid using
2014 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2015 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2016 TARGET_ABSOLUTE_ABICALLS.
2017 (override_options): Adjust comments. Improve the warning that is
2018 issued when -mabicalls and -G are used together.
2019 (mips_file_start): Remove comment.
2020 (mips_current_loadgp_style): New function.
2021 (mips_gnu_local_gp): New variable.
2022 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2024 (mips_output_function_prologue): Use mips_current_laodgp_style.
2025 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2026 the cprestore instruction.
2027 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2028 live for TARGET_ABSOLUTE_ABICALLS.
2029 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2030 (ASM_SPEC): Pass down -mshared and -mno-shared.
2031 (MIPS_CALL): New macro.
2032 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2034 * doc/invoke.texi (-mabicalls): Update documentation.
2035 (-mshared): Document.
2037 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2039 * config/ia64/unwind-hpux.c: New file.
2040 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2042 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2045 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2047 2006-03-21 Jeff Law <law@redhat.com>
2049 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2050 type conversions of a VR_VARYING source to a wider type.
2052 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2054 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2055 tm_file on Solaris 10 and later.
2056 (sparc64-*-solaris2*): Likewise.
2057 (sparc-*-solaris2*): Likewise.
2058 * config/sol26.h: Rename to config/sol2-6.h.
2059 * config/sol2-10.h: New file.
2061 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2064 * tree-ssa-pre.c (create_component_ref_by_pieces):
2067 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2070 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2071 return it immediately.
2073 2006-03-21 Michael Matz <matz@suse.de>
2075 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2077 (remove_arc, add_arc): Update num_out_arcs member.
2078 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2080 (cache_presence): New function.
2081 (compare_states_for_equiv): New function.
2082 (state_is_differed): Don't take number of outargs, adjust callers.
2083 Use new invariant for speeding up.
2084 (init_equiv_class): Create initial classes based on sorted
2086 (partition_equiv_class): Don't track out_arcs_num.
2087 (evaluate_equiv_classes): Call cache_presence on all states and
2090 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2092 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2093 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2094 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2095 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2097 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2098 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2099 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2100 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2101 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2103 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2104 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2105 (REGNO_REG_CLASS): ARGP is in PREGS.
2106 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2108 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2109 to deal with those addresses.
2110 * addresses.h: New file.
2111 * caller-save.c: Include "addresses.h".
2112 (init_caller_save): Use new base_reg_class function.
2113 * rtl-factoring.c: Include "addresses.h".
2114 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2115 * recog.c: Include "addresses.h".
2116 (preprocess_constraints): Use new base_reg_class function.
2117 * regrename.c: Include "addresses.h".
2118 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2119 functions. Keep track of a new var INDEX_CODE to compute valid
2121 (replace_oldest_value_addr): Likewise.
2122 (replace_oldest_value_mem): Use base_reg_class.
2123 * reload.c: Include "addresses.h".
2124 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2125 (find_reloads): Use new base_reg_class function.
2126 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2127 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2128 all callers and prototype changed.
2129 * reload1.c: Include "addresses.h".
2130 (maybe_fix_stack_asms): Use base_reg_class.
2131 * regclass.c: Include "addresses.h".
2132 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2133 (init_reg_autoinc): Use new base_reg_class function.
2134 (record_reg_classes): Likewise.
2135 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2136 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2137 Use new args to compute necessary class.
2139 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2140 regrename.o, rtl-factoring.o): Update dependencies.
2141 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2142 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2143 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2144 REG_OK_FOR_INDEX_P): Delete documentation.
2146 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2148 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2149 from V7 to V9 for Solaris 7 and above.
2151 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2153 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2154 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2155 argument pointers may not alias any other storage.
2156 * common.opt: Define option -fargument-noalias-anything.
2157 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2158 alias semantics is specified by flag_argument_noalias > 2.
2160 2006-03-20 Jeff Law <law@redhat.com>
2162 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2163 (pass_phi_only_cprop): Declare.
2164 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2166 * tree-ssa-dom.c (degenerate_phi_result): New function.
2167 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2168 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2169 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2170 (eliminate_degenerate_phis): Likewise.
2171 (pass_phi_only_cprop): New pass descriptor.
2172 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2173 support code. Callers updated.
2174 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2175 (store_copy_prop): Likewise.
2176 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2178 2006-03-20 Jason Merrill <jason@redhat.com>
2181 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2182 (push_visibility, pop_visibility): Likewise.
2183 * c-pragma.h: Declare them.
2185 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2187 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2189 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2190 parameter and use get_ebb_head_tail.
2191 (sh_md_init_global): Adjust uses of find_regmode_weight.
2193 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2195 * function.h (struct function) <x_tail_recursion_reentry>:
2196 Rename to x_stack_check_probe_note.
2197 (tail_recursion_reentry): Rename to stack_check_probe_note.
2198 * function.c: Replace tail_recursion_reentry with
2199 stack_check_probe_note everywhere.
2200 (expand_function_start): Only emit a note for
2201 stack_check_probe_note with -fstack-protect.
2202 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2204 * emit-rtl.c (remove_unnecessary_notes): Remove.
2205 (pass_remove_unnecessary_notes): Remove.
2206 * rtl.h (remove_unnecessary_notes): Remove prototype.
2207 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2208 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2209 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2211 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2214 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2215 (valid_in_set): Handle ARRAY_REF.
2216 Change "if min_variant or VH" to asserts.
2217 (create_component_ref_by_pieces): Handle ARRAY_REF.
2218 (create_expression_by_pieces): Likewise.
2219 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2221 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2223 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2224 is operand of switch, not str[0].
2226 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2228 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2229 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2231 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2233 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2234 end of insn_extra_address_constraint declaration.
2236 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2238 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2239 (no-sum-in-toc): Same.
2240 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2242 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2243 NO_FP_IN_TOC for -fPIC instead of mask.
2245 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2246 (BOOT_LDFLAGS): Delete.
2248 * config/rs6000/t-aix52: Same.
2250 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2251 (stmsi[345678]_power): New.
2253 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2255 * config/ia64/ia64.opt: Add empty line to end of file.
2257 2006-03-17 Richard Guenther <rguenther@suse.de>
2260 * builtins.c (get_pointer_alignment): For component style references
2261 adjust alignment to the component type alignment. Make sure
2262 to adjust alignment for component access of constants.
2264 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2266 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2269 2006-03-17 Paul Brook <paul@codesourcery.com>
2271 * doc/install.texi: Docuemnt --with-mode.
2272 * config.gcc: Add --with-mode for arm*-*-*.
2273 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2275 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2277 * sh.c (max_labelno_before_reorg): New variable.
2278 (sh_reorg): Initialize it.
2279 (find_barrier): Check max_labelno_before_reorg before using
2280 label_to_alignment. Take length of explicit alignment insns
2281 into account. When seeing a UNSPECV_CONST_END, return it.
2283 * sh.c (fixup_mova): Set mode of affected label to QImode.
2284 (untangle_mova): New function.
2285 (find_barrier): Use it. Check mode of label before decrementing
2287 (sh_reorg): Likewise.
2288 Set mode of all insns back to VOIDmode.
2290 * sh.c (MOVA_LABELREF): New macro.
2291 (mova_p, fixup_mova, sh_reorg): Use it.
2292 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2293 ADDR_DIFF_VEC matches mova.
2295 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2297 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2298 with ATTRIBUTE_UNUSED.
2300 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2302 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2303 pointer, instead of assuming it is possible to derive the
2304 correct args size from a call insn.
2306 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2308 * rtl.h (CONST_INT_P): Define.
2309 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2310 instead of GET_CODE(x) == CONST_INT.
2311 (vax_rtx_costs): Likewise.
2312 (vax_output_int_move): Likewise.
2313 (vax_output_int_add): Likewise.
2314 (legitimate_constant_address_p): Likewise.
2315 (index_term_p): Likewise.
2316 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2317 * config/vax/vax.md (and<mode>3): Likewise.
2318 (ashrsi3): Likewise.
2320 (movstricthi): Likewise.
2321 (movstrictqi): Likewise.
2322 (rotrsi3): Likewise.
2323 (five unnamed insns): Likewise.
2325 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2327 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2328 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2329 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2330 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2331 Pass to ASM_OUTPUT_DWARF_OFFSET.
2332 * dwarf2out.c (debug_frame_section): New.
2333 (output_call_frame_info): Use debug_frame_section. Pass it to
2334 dw2_asm_output_offset.
2335 (output_die): Pass appropriate section to dw2_asm_output_offset.
2336 (output_compilation_unit_header): Likewise.
2337 (output_pubnames): Likewise.
2338 (output_aranges): Likewise.
2339 (enum dw_val_class): Break dw_val_class_lbl_offset into
2340 dw_val_class_lineptr and dw_val_class_macptr.
2341 (add_AT_lbl_offset): Delete.
2342 (add_AT_lineptr): New.
2343 (add_AT_macptr): New.
2344 (AT_lbl): Expect a lineptr or macptr.
2345 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2346 (attr_checksum): Likewise.
2347 (same_dw_val_p): Likewise.
2348 (size_of_die): Likewise.
2349 (value_format): Likewise.
2350 (output_die): Likewise.
2351 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2353 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2354 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2355 * config/darwin-protos.h (darwin_file_start): New.
2356 (darwin_asm_output_dwarf_offset): New.
2357 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2358 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2360 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2361 if not EH section; simplify.
2362 (darwin_file_start): New.
2363 (darwin_asm_output_dwarf_offset): New.
2364 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2366 (DEBUG_INFO_SECTION): Likewise.
2367 (DEBUG_ABBREV_SECTION): Likewise.
2368 (DEBUG_ARANGES_SECTION): Likewise.
2369 (DEBUG_MACINFO_SECTION): Likewise.
2370 (DEBUG_LINE_SECTION): Likewise.
2371 (DEBUG_LOC_SECTION): Likewise.
2372 (DEBUG_PUBNAMES_SECTION): Likewise.
2373 (DEBUG_STR_SECTION): Likewise.
2374 (DEBUG_RANGES_SECTION): Likewise.
2375 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2376 (ASM_OUTPUT_DWARF_OFFSET): New.
2378 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2380 * config.gcc (tm_defines): Always add to previous value rather
2383 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2385 * config/mips/predicates.md (splittable_const_int_operand): New,
2386 split from move_operand.
2387 (splittable_symbolic_operand): New.
2388 (move_operand): Add commentary. Use splittable_const_int_operand.
2389 Inline mips_atomic_symbolic_constant_p.
2390 * config/mips/mips.md: Add combine splitters for handling moves
2391 of splittable_const_int_operands and splittable_symbolic_operands.
2392 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2393 (mips_split_symbol): Declare.
2394 (mips_move_integer): Declare.
2395 * config/mips/mips.c (mips_split_p): Make global.
2396 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2397 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2398 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2399 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2400 (mips_offset_within_object_p): Handle block symbols.
2401 (mips_atomic_symbolic_constant_p): Delete.
2402 (mips_cannot_force_const_mem): Return false for constants that
2403 mips_legitimize_move can handle.
2404 (mips_use_blocks_for_constant_p): New function.
2405 (mips_split_symbol): Make global.
2406 (mips_move_integer): Likewise. Add a temporary register argument.
2407 (mips_legitimize_const_move): Use splittable_const_int_operand and
2408 splittable_symbolic_operand.
2409 (mips_use_anchors_for_symbol_p): New function.
2410 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2411 (mips_split_p): Declare.
2413 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2415 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2416 (mips*-*-linux*): Likewise.
2418 2006-03-16 Roger Sayle <roger@eyesopen.com>
2419 Daniel Speyer <dspeyer@wam.umd.edu>
2422 * tree-dump.c (dump_real): New function.
2423 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2424 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2425 (tree-dump.o): Add $(REAL_H) to the dependencies.
2427 2006-03-16 Roger Sayle <roger@eyesopen.com>
2430 * real.c (real_from_string): If the mantissa is zero, don't bother
2431 parsing the exponent as the result should always be zero.
2433 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2435 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2437 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2439 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2440 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2441 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2442 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2443 ia64_sched_finish_global): New static functions to implement
2444 hooks from gcc_target.sched.
2445 (spec_check_no, max_uid, pending_data_specs): New static variables.
2446 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2447 ia64_spec_check_src_p): New static functions.
2448 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2449 (TARGET_SCHED_ADJUST_COST): Removed.
2450 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2451 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2452 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2453 TARGET_SCHED_GEN_CHECK,
2454 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2455 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2456 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2457 Fixed to handle speculation checks.
2458 (rtx_needs_barrier): Fixed to handle speculative loads and
2460 (ia64_variable_issue): Added code to count speculative loads and their
2462 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2464 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2466 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2468 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2469 (ia64_reorg): Reset stops_p to NULL after it is freed.
2470 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2471 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2472 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2474 (data_speculative, control_speculative, check_load): New attributes.
2475 (mov<mode>_advanced, mov<mode>_speculative,
2476 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2477 zero_extend<mode>di2_speculative,
2478 zero_extend<mode>di2_speculative_advanced): New patterns for
2479 data and control speculative loads.
2480 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2482 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2483 New pattern for data and control speculation checks.
2484 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2485 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2486 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2487 Auxiliary definitions for the patterns.
2488 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2489 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2491 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2493 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2494 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2495 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2496 New resource constraints.
2497 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2499 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2500 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2501 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2502 msched-in-control-spec, msched-ldc, msched-control-ldc,
2503 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2504 msched-prefer-non-control-spec-insns,
2505 msched-count-spec-in-critical-path): New flags to tune speculative
2507 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2508 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2509 msched-in-control-spec, msched-ldc, msched-control-ldc,
2510 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2511 msched-prefer-non-control-spec-insns,
2512 msched-count-spec-in-critical-path): Document new flags.
2514 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2516 * target.h (struct spec_info_def): New opaque declaration.
2517 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2518 speculate_insn, needs_block_p, gen_check,
2519 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2520 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2521 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2522 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2523 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2524 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2526 (TARGET_SCHED): Use new macros.
2527 * rtl.h (copy_DEPS_LIST_list): New prototype.
2528 * sched-int.h (struct sched_info): Change signature of new_ready field,
2529 adjust all initializations. New fields: add_remove_insn,
2530 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2531 region_head_or_leaf_p.
2532 (struct spec_info_def): New structure declaration.
2533 (spec_info_t): New typedef.
2534 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2535 recovery_block, orig_pat.
2536 (glat_start, glat_end): New variables declaraions.
2537 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2539 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2540 DETACH_LIFE_INFO, USE_GLAT.
2541 (enum SPEC_SCHED_FLAGS): New enumeration.
2542 (NOTE_NOTE_BB_P): New macro.
2543 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2544 attach_life_info, debug_spec_status, check_reg_live): New functions.
2545 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2546 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2548 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2549 * ddg.c (get_block_head_tail): Adjust all uses.
2550 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2551 (sms_sched_info): Initialize new fields.
2552 (contributes_to_priority): Removed.
2553 * haifa-sched.c (params.h): New include.
2554 (get_block_head_tail): Adjust all uses.
2555 (ISSUE_POINTS): New macro.
2556 (glat_start, glat_end): New global variables.
2557 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2558 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2559 old_last_basic_block, before_recovery, current_sched_info_var,
2560 rgn_n_insns, luid): New static variables.
2561 (insn_cost1): New function. Move logic from insn_cost to here.
2562 (find_insn_reg_weight1): New function. Move logic from
2563 find_insn_reg_weight to here.
2564 (reemit_notes, move_insn, max_issue): Change signature.
2565 (move_insn1): Removed.
2566 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2567 extend_bb): New static functions to support extension of scheduler's
2569 (generate_recovery_code, process_insn_depend_be_in_spec,
2570 begin_speculative_block, add_to_speculative_block,
2571 init_before_recovery, create_recovery_block, create_check_block_twin,
2572 fix_recovery_deps): New static functions to support
2573 generation of recovery code.
2574 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2575 restore_bb_notes, move_block_after_check, move_succs): New static
2576 functions to support ebb scheduling.
2577 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2578 functions to support handling of register live information.
2579 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2580 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2581 add_jump_dependencies): New static functions.
2582 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2583 consistancy checking.
2584 (debug_spec_status): New function to call from debugger.
2585 (priority): Added code to handle speculation checks.
2586 (rank_for_schedule): Added code to distinguish speculative instructions.
2587 (schedule_insn): Added code to handle speculation checks.
2588 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2589 Fixed to handle ebbs.
2590 (move_insn): Added code to handle ebb scheduling.
2591 (max_issue): Added code to use ISSUE_POINTS of instructions.
2592 (choose_ready): Added code to choose between speculative and
2593 non-speculative instructions.
2594 (schedule_block): Added code to handle ebb scheduling and scheduling of
2595 speculative instructions.
2596 (sched_init): Initialize new variables.
2597 (sched_finish): Free new variables. Print statistics.
2598 (try_ready): Added code to handle speculative instructions.
2599 * lists.c (copy_DEPS_LIST_list): New function.
2600 * sched-deps.c (extend_dependency_caches): New function. Move logic
2601 from create_dependency_caches to here.
2602 (get_dep_weak, ds_merge): Make global.
2603 * genattr.c (main): Code to output prototype for
2604 dfa_clear_single_insn_cache.
2605 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2606 (output_dfa_clean_insn_cache_func): Code to output
2607 dfa_clear_single_insn_cache function.
2608 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2610 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2612 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2613 New static variables.
2614 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2615 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2617 (ebb_sched_info): Initialize new fields.
2618 (get_block_head_tail): Adjust all uses.
2619 (compute_jump_reg_dependencies): Fixed to use glat_start.
2620 (schedule_ebb): Code to remove unreachable last block.
2621 (schedule_ebbs): Added code to update register live information.
2622 * sched-rgn.c (region_sched_info): Initialize new fields.
2623 (get_block_head_tail): Adjust all uses.
2624 (last_was_jump): Removed. Adjust users.
2625 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2626 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2627 Implement new hooks.
2628 (check_dead_notes1): New static function.
2629 (struct region): New fields: dont_calc_deps, has_real_ebb.
2630 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2631 (BB_TO_BLOCK): Fixed to handle EBBs.
2632 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2633 (ebb_head): New static variable.
2634 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2635 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2637 (compute_dom_prob_ps): New assertion.
2638 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2639 global_live_at_start.
2640 (init_ready_list): New assertions.
2641 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2642 (new_ready): Add support for BEGIN_CONTROL speculation.
2643 (schedule_insns): Fixed code that updates register live information
2645 (schedule_region): Fixed to handle EBBs.
2646 (init_regions): Use extend_regions and check_dead_notes1.
2647 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2648 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2649 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2650 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2651 TARGET_SCHED_GEN_CHECK,
2652 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2653 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2654 * doc/invoke.texi (max-sched-insn-conflict-delay,
2655 sched-spec-prob-cutoff): Document.
2657 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2659 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2660 inter_tick, queue_index.
2661 (struct sched_info): Change signature of init_ready_list field.
2662 Adjust all initializations.
2663 (RESOLVED_DEPS): New access macro.
2664 (ready_add): Remove prototype.
2665 (try_ready): Add prototype.
2666 * sched-rgn.c (init_ready_list): Use try_ready.
2667 (schedule_region): Initialize
2668 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2669 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2670 (init_ready_list): Use try_ready.
2671 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2672 * lists.c (remove_list_elem): Remove `static'.
2673 (remove_free_INSN_LIST_elem): New function.
2674 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2675 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2676 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2678 (readyp): New variable.
2679 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2680 change_queue_index, resolve_dep): New static functions.
2681 (try_ready): New function. Adjust callers in sched-rgn.c and
2682 sched-ebb.c to use it instead of ready_add.
2683 (clock_var): Move at the begining of file.
2684 (rank_for_schedule): Fix typo.
2685 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2686 (ready_lastpos): Enforce assertion.
2687 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2689 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2690 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2691 (queue_to_ready): Use free_INSN_LIST_list.
2692 (early_queue_to_ready): Fix typo.
2693 (schedule_block): Init readyp. Move init_ready_list call after the
2694 initialization of clock_var. Fix error in rejecting insn by
2695 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2696 that previously corrected INSN_TICKs. Add code for handling
2698 (set_priorities): Fix typo.
2699 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2700 Clarify comment and code that keeps current_sched_info->next_tail
2703 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2705 * sched-rgn.c (extend_rgns): New static function.
2706 (find_rgns): Use it.
2707 (gather_region_statistics, print_region_statistics): New static
2709 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2710 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2712 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2713 Andrey Belevantsev <abel@ispras.ru>
2715 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2716 * lists.c (unused_deps_list): New variable.
2717 (free_list): Add assertions to verify the proper distinguishing
2718 between INSN_LISTs and DEPS_LISTs.
2719 (find_list_elem, remove_list_elem, remove_list_node): New static
2721 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2722 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2723 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2724 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2726 (free_INSN_LIST_node): Likewise.
2727 * modulo-sched.c (current_sched_info): Initialize flags field.
2728 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2729 * rtl.def (DEPS_LIST): Define.
2730 * rtl.h: Declare new functions from lists.c.
2731 * sched-deps.c (spec_dependency_cache): New static variable.
2732 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2733 (add_dependence): Change return type to void. Move the logic to ...
2734 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2735 (delete_all_dependences): Add comment about forward_dependency_cache.
2736 Handle spec_dependency_cache. Handle DEPS_LISTs.
2737 (fixup_sched_groups): Clarify the change of priority of output
2738 and anti dependencies.
2739 (sched_analyze_2): Adjust add_dependence calls to create data
2740 speculative dependence.
2741 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2742 Adjust all callers. Handle DEPS_LISTS.
2743 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2744 presence of speculation.
2745 (init_dependency_caches, free_dependency_caches):
2746 Handle spec_dependency_cache.
2747 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2748 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2749 New static functions.
2750 (add_or_update_back_dep, add_or_update_back_forw_dep,
2751 add_back_forw_dep, delete_back_forw_dep): New functions.
2752 * sched-int.h (ds_t, dw_t): New typedefs.
2753 (struct sched_info): Add new field flags.
2754 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2755 Prototype new sched-deps.c functions.
2756 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2757 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2758 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2759 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2760 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2761 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2763 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2765 * sched-rgn.c (current_sched_info): Initialize flags field.
2766 (schedule_insns): Initialize current_sched_info before the sched_init
2768 * sched-ebb.c (current_sched_info): Initialize flags field.
2769 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2770 Call add_or_update_back_dep instead of add_dependence.
2771 Create control speculative dependencies.
2772 (schedule_insns): Initialize current_sched_info before the sched_init
2775 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2777 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2779 (sh_fallback_frame_state): Likewise.
2781 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2783 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2784 Do switch on default_use_cxa_atexit.
2785 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2786 * config/darwin-crt3.o: New.
2787 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2788 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2789 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2791 * config/rs6000/t-darwin: Move crt2.o building to here.
2792 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2793 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2796 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2798 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2799 from '! xxx' to '!xxx' for coding-style conformance.
2800 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2801 (EXTRA_CONSTRAINT): Likewise.
2802 * config/vax/vax.md (four unnamed insns): Likewise.
2804 2006-03-15 Paul Brook <paul@codesourcery.com>
2806 * config/arm/arm.c (minipool_pad): New.
2807 (add_minipool_forward_ref): Include pool alignment padding in address
2809 (push_minipool_fix): Set minipool_pad.
2810 (minipool_pad): Ditto.
2812 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2814 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2815 instead of GET_CODE() == MEM and REG_P() instead of
2817 (print_operand_address): Likewise.
2818 (vax_address_cost): Likewise.
2819 (vax_rtx_costs): Likewise.
2820 (vax_notice_update_cc): Likewise.
2821 (vax_output_int_add): Likewise.
2822 (INDEX_REGISTER_P): Likewise.
2823 (BASE_REGISTER_P): Likewise.
2824 (nonindexed_address_p): Likewise.
2825 (vax_mode_dependent_address_p): Likewise.
2826 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2827 (PRINT_OPERAND): Likewise.
2828 * config/vax/vax.md (ashlsi3): Likewise.
2829 (ashlsi3): Likewise.
2830 (some more unnamed insns): Likewise.
2832 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2834 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2835 iterator-style macro.
2836 (mark_control_dependent_edges_necessary): Update the use of
2837 EXECUTE_IF_CONTROL_DEPENDENT.
2839 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2841 * config/sh/predicates.md (cache_address_operand): Special.
2842 (ua_address_operand): Likewise.
2844 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2846 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2848 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2850 2006-03-15 Andreas Schwab <schwab@suse.de>
2852 * gensupport.c (identify_predicable_attribute): Don't free p_false
2853 when it is still in use.
2855 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2857 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2858 the default setting here.
2860 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2862 * tree-pass.h (pass_cfg): Remove.
2863 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2864 * passes.c (pass_cfg): Don't run it.
2866 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2868 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2869 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2871 (stack_regs_mentioned): Update the uses of
2872 stack_regs_mentioned_data. Don't access the array beyond its
2874 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2875 Don't include gt-reg-stack.h.
2877 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2878 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2880 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2883 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2886 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2888 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2890 2006-03-14 Richard Guenther <rguenther@suse.de>
2892 PR tree-optimization/26672
2893 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2896 2006-03-14 Richard Guenther <rguenther@suse.de>
2898 PR tree-optimization/26667
2899 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2900 node for the callees. Always allow inlining if it will shrink
2903 2006-03-14 Richard Guenther <rguenther@suse.de>
2906 * builtins.c (get_pointer_alignment): Prefer alignment
2907 information from decls over that from types.
2909 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2912 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2914 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2916 * config/rs6000/rs6000.opt (mdlmzb): New option.
2917 (msched-prolog, msched-epilog): Use Var not Mask.
2918 * doc/invoke.texi (-mdlmzb): Document.
2919 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2921 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2922 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2924 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2926 PR rtl-optimization/25739
2927 * bt-load.c (augment_live_range): Free tos pointer.
2929 * gensupport.c (identify_predicable_attribute): Free
2931 * gcov.c (create_file_names): Free name pointer.
2933 2006-03-13 Roger Sayle <roger@eyesopen.com>
2936 * stmt.c (emit_case_nodes): Handle the case where the index is a
2937 CONST_INT, where the comparison mode is specified by the index type.
2939 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2941 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2944 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2946 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2947 (*branch_fp_inverted): Likewise.
2949 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2952 * omp-low.c (expand_omp_for_generic): Mark istart0
2953 and iend0 as addressable.
2955 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2957 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2959 2006-03-13 Jeff Law <law@redhat.com>
2961 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2962 virtual operands are interesting.
2963 (vrp_visit_stmt): Corresponding changes.
2965 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2967 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2969 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2970 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2971 * config/bfin/crti.S: Use it instead of __PIC__.
2972 * config/bfin/crtn.S: Likewise.
2974 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2975 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2977 Lose 'G' modifier for call operand.
2978 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2979 recognize 'G' modifier.
2981 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2984 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2985 * stmt.c (expand_case): Likewise.
2987 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2989 PR rtl-optimization/26254
2990 * loop-invariant.c (seq_insns_valid_p): New function.
2991 (move_invariant_reg): Only emit new code if it is valid.
2993 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2995 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2997 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2998 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2999 (commit_one_edge_insertion): Do not look for loop notes.
3001 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3003 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3004 flag_test_coverage out of loop.
3006 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3008 * final.c (shorten_branches): Remove outdated comment, and turn
3009 the if branch that guards it to continue.
3011 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3013 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3014 * cfgloop.h (struct loop): Remove unused fields.
3016 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3018 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3019 (-dL, -fdump-rtl-loop2): Update the dump file names
3021 * doc/invoke.texi: Update dump file names.
3023 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3025 * predict.c (estimate_probability): Remove.
3026 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3027 * basic-block.h (estimate_probability): Remove prototype.
3028 * passes.c (finish_optimization_passes): Dump branch prediction or
3029 profiling heuristics to the .profile tree dump.
3030 (init_optimization_passes): Unqueue pass_branch_prob.
3032 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3034 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3036 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3037 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3039 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3041 * function.h (frame_offset_overflow): Declare.
3042 * function.c (frame_offset_overflow): New function.
3043 (assign_stack_local_1): Call it to detect that the offset overflows.
3044 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3046 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3048 * config/sh/sh.c: Include alloc-pool.h.
3049 (label_ref_list_pool): New alloc pool.
3050 (label_ref_list_t): New type for lists of labels.
3051 (struct pool_node): Make wend a label_ref_list_t.
3052 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3054 (dump_table): Likewise.
3055 (sh_reorg): Set up the alloc pool before using add_constant and
3056 dump_table, and destroy it when finishing.
3058 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3060 * config/mips/mips.c: Remove redundant comment.
3062 2006-03-10 Jason Merrill <jason@redhat.com>
3065 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3066 the target was declared 'register'.
3068 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3070 * genpreds.c (write_insn_constraint_len): Change definition of
3071 insn_constraint_len to return size_t to match the declaration.
3073 2006-03-10 DJ Delorie <dj@redhat.com>
3075 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3077 (m32c_expand_insv): Fix test for an AND mask.
3079 2006-03-10 Richard Guenther <rguenther@suse.de>
3082 * builtins.c (get_pointer_alignment): Handle component
3083 references for field alignment.
3085 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3087 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3088 when building with libgloss.
3089 (sh*elf): Implement --without-fp option.
3090 (sh64-superh-linux*): Don't multilib.
3092 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3094 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3096 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3098 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3099 Set it when one of the replacement functions returned true.
3100 Return TODO_cleanup_cfg if cfgchanged is true.
3101 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3103 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3105 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3106 instead of gen_lowpart.
3108 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3110 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3112 (mips_output_order_conditional_branch): Declare.
3113 * config/mips/mips.h (MIPS_BRANCH): New macro.
3114 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3115 for the comparison. Use gen_condjump.
3116 (mips_output_conditional_branch): Rework interface to take the
3117 asm templates for a direct branch and the inverse of a direct branch.
3118 (mips_output_order_conditional_branch): New function.
3119 (mips_builtin_branch_and_move): New function.
3120 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3121 branch condition. Use gen_single_cc as the condition for
3122 __builtin_mips_upper_* or __builtin_mips_lower_*.
3123 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3124 Use VOIDmode for the branch condition.
3125 * config/mips/predicates.md (order_operator): New predicate.
3126 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3127 (branch_fp): Rename to...
3128 (*branch_fp): ...this. Remove mode from comparison operator.
3129 Use new mips_output_conditional_branch interface.
3130 (branch_fp_inverted): Rename to...
3131 (*branch_fp_inverted): ...this and update as for *branch_fp.
3132 (*branch_zero<mode>): Rename to...
3133 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3134 Use mips_output_order_conditional_branch. Only accept ordered
3136 (*branch_zero<mode>_inverted): Rename to...
3137 (*branch_order<mode>_inverted): ...this and update as for
3138 *branch_order<mode>.
3139 (*branch_equality<mode>): Accept zero as the second operand to
3140 the equality operator. Use the new mips_output_conditional_branch
3142 (*branch_equality<mode>_inverted): Likewise.
3143 (condjump): New expander.
3144 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3146 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3147 (bc1any2t, bc1any2f): Likewise.
3148 (single_cc): New expander.
3149 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3151 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3153 * doc/md.texi: Update documentation of MIPS constraints.
3154 * config/mips/constraints.md: New file.
3155 * config/mips/mips.md: Include it.
3156 * config/mips/mips.c (mips_char_to_class): Delete.
3157 (override_options): Don't initialize mips_char_to_class.
3158 * config/mips/mips.h (mips_char_to_class): Delete.
3159 (REG_CLASS_FROM_LETTER): Delete.
3160 (CONST_OK_FOR_LETTER_P): Delete.
3161 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3162 (EXTRA_CONSTRAINT_Y): Delete.
3163 (EXTRA_CONSTRAINT_STR): Delete.
3164 (CONSTRAINT_LEN): Delete.
3165 (EXTRA_MEMORY_CONSTRAINT): Delete.
3167 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3169 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3170 original fn's eh regions.
3172 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3174 * fold-const.c (build_range_check): Make sure to use a valid type to
3175 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3178 (range_predecessor): New static function.
3179 (range_successor): Likewise.
3180 (merge_ranges): Use them to compute predecessors and successors of
3183 2006-03-09 Roger Sayle <roger@eyesopen.com>
3186 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3187 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3189 2006-03-08 DJ Delorie <dj@redhat.com>
3191 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3192 (addpsi3): Expand to include memory operands. Remove
3193 reload-specific splits.
3194 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3195 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3196 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3197 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3198 (shift1_qi, shift1_hi, insv): New.
3199 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3200 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3201 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3203 * config/m32c/m32c-protos.h: Update as needed.
3204 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3205 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3206 Fail for unrecognized R* constraints.
3207 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3208 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3209 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3211 (m32c_init_libfuncs): New.
3212 (m32c_legitimate_address_p): Add debug wrapper.
3213 (m32c_rtx_costs): New.
3214 (m32c_address_cost): New.
3215 (conversions): Add 'B' prefix.
3216 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3217 operands, or word regnames for QI operands. 'B' prints bit
3219 (m32c_expand_setmemhi): New.
3220 (m32c_expand_movmemhi): New.
3221 (m32c_expand_movstr): New.
3222 (m32c_expand_cmpstr): New.
3223 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3224 (m32c_expand_neg_mulpsi3): Handle non-ints.
3225 (m32c_cmp_flg_0): New.
3226 (m32c_expand_movcc): New.
3227 (m32c_expand_insv): New.
3228 (m32c_scc_pattern): New.
3229 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3230 a0/a1 out of SIregs.
3231 (STORE_FLAG_VALUE): New.
3232 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3235 * config/m32c/mov.md: Make constraints more liberal.
3236 (zero_extendqihi2): Optimize r0/r1 case.
3237 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3238 * config/m32c/predicates.md (m32c_any_operand): New.
3239 (m32c_nonimmediate_operand): New.
3240 (m32c_hl_operand): New.
3241 (m32c_r3_operand): New.
3244 (memsym_operand): New.
3245 (memimmed_operand): New.
3246 (a_qi_operand): New.
3247 (m32c_eqne_operator): New.
3248 (m32c_1bit8_operand): New.
3249 (m32c_1bit16_operand): New.
3250 (m32c_1mask8_operand): New.
3251 (m32c_1mask16_operand): New.
3252 * config/m32c/blkmov.md: New file.
3253 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3255 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3257 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3258 unsigned to fix signed/unsigned comparison issue in
3259 DWARF2_FRAME_REG_OUT.
3260 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3261 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3263 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3264 of ptr into the ENABLE_CHECKING section.
3266 2006-03-08 Jeff Law <law@redhat.com>
3268 * tree-vrp.c (infer_value_range): Only count pointer uses
3269 and dereferences if -fdelete-null-pointer-checks is enabled.
3271 * tree-vrp.c (find_assert_locations): Infer value ranges for
3272 single use pointers, but do not create ASSERT_EXPRs for them.
3273 When a non-null range is inferred for a pointer, backwards
3274 propagate that range to other equivalent pointers through the
3277 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3280 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3281 language hook targets.
3282 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3283 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3284 if language hook targets were missing.
3286 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3288 * tree-ssa-opfinalize.h: Removed.
3289 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3291 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3292 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3293 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3294 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3295 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3296 finalize_ssa_v_must_def_ops): New.
3298 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3300 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3303 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3305 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3307 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3308 addresses with offsets; reorganize.
3310 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3311 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3312 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3314 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3317 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3319 2006-03-08 Ben Elliston <bje@au.ibm.com>
3321 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3323 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3326 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3329 2006-03-07 Richard Guenther <rguenther@suse.de>
3331 PR tree-optimization/26587
3332 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3334 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3336 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3338 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3340 * hooks.c (hook_bool_mode_rtx_true): New function.
3341 * hooks.h (hook_bool_mode_rtx_true): Declare.
3342 * toplev.c (compile_file): Call output_shared_constant_pool.
3343 * varasm.c (shared_constant_pool): New variable.
3344 (assemble_start_function, assemble_end_function): Remove arguments
3345 from call to output_constant_pool.
3346 (create_constant_pool): New function, split out from...
3347 (init_varasm_status): ...here.
3348 (force_const_mem): Choose between the shared and per-function constant
3349 pools. Set current_function_uses_const_pool when reusing old entries
3350 as well as when creating new ones.
3351 (mark_constant): Ignore data argument.
3352 (mark_constants): Remove pool argument.
3353 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3354 to decide whether the function uses a constant pool.
3355 (output_constant_pool_contents): New function, split out from...
3356 (output_constant_pool): ...here.
3357 (output_shared_constant_pool): New function.
3358 (init_varasm_once): Initialize shared_constant_pool.
3359 * output.h (output_constant_pool): Delete.
3360 (output_shared_constant_pool): Declare.
3361 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3362 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3364 2006-03-06 Nick Clifton <nickc@redhat.com>
3366 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3367 flag_strength_reduce.
3369 2006-03-06 Ben Elliston <bje@au.ibm.com>
3371 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3372 x86_64-*-linux* configurations.
3374 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3375 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3377 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3379 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3381 * basic-block.h: Remove the extern for
3382 rediscover_loops_after_threading.
3384 * cfgloop.c (cancel_loop): Make it static.
3385 * cfgloop.h: Remove the prototype for cancel_loop.
3387 * flow.c (recompute_reg_usage): Make it static.
3388 * rtl.h: Remove the prototype for recompute_reg_usage.
3390 * function.c (use_return_register): Make it static.
3391 * function.h: Remove the prototype.
3393 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3395 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3397 * recog.h: Remove the prototype for
3398 validate_change_maybe_volatile.
3400 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3402 * rtlanal.c (replace_reg): Remove.
3403 * rtl.h: Remove the prototype for replace_reg.
3405 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3407 * regclass.c (reg_scan_update): Remove.
3408 (reg_scan_mark_refs): Remove the last argument.
3409 * rtl.h: Remove the prototype for reg_scan_update.
3411 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3413 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3414 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3415 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3416 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3417 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3418 loop-invariant.c, omp-low.c, opts.c, passes.c,
3419 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3420 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3421 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3422 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3423 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3424 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3428 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3429 * dwarf2out.h: Remove the prototype for
3430 dwarf2out_add_library_unit_info.
3432 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3434 * tree.c (add_var_to_bind_expr): Remove.
3435 * tree.h: Remove the prototype for add_var_to_bind_expr.
3437 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3439 * regclass.c (n_non_fixed_regs): Remove.
3440 (init_reg_sets_1, globalize_reg): Remove all uses of
3442 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3444 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3446 * rtlanal.c (insns_safe_to_move_p): Remove.
3447 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3449 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3451 * expmed.c (expand_mult_add): Remove.
3452 * expr.h: Remove the prototype for expand_mult_add.
3454 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3456 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3457 and REG_SAVED_VAL_EXP constants.
3458 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3459 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3460 Handle regs stored by value.
3461 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3462 (execute_cfa_program): Handle DW_CFA_val_offset,
3463 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3464 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3465 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3466 (uw_install_context_1): Handle target regs stored by value.
3468 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3470 * tree-sra.c (tree_sra): Return todoflags;
3471 (generate_one_element): Set TODO_update_smt_usage if needed.
3472 (pass_sra): Remove TODO_update_smt_usage.
3473 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3475 (tree_ssa_forward_propagate_single_use_vars): Return
3476 TODO_update_smt_usage if we need to update SMT usage.
3477 (pass_forwprop): Remove TODO_update_smt_usage.
3479 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3481 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3482 (correct_use_link): Remove reference to get_stmt_operands.
3483 (update_stmt_operands): Likewise.
3484 (get_modify_expr_operands): New function factored out of
3485 parse_ssa_operands and get_expr_operands.
3486 Try to create V_MUST_DEFs for LHS by default.
3487 (get_expr_operands) <case MODIFY_EXPR>: Call
3488 get_modify_expr_operands.
3489 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3490 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3491 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3492 get_modify_expr_operands.
3494 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3496 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3497 * tree-flow.h: Remove the prototype for
3498 referenced_var_lookup_if_exists.
3500 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3502 PR rtl-optimization/26345
3504 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3506 2006-03-03 Roger Sayle <roger@eyesopen.com>
3508 PR tree-optimization/26524
3509 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3510 fold_convert to create a constant of the appropriate type.
3512 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3514 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3515 SYMBOL_REF_IN_BLOCK_P.
3516 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3517 of SYMBOL_FLAG_IN_BLOCK.
3518 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3519 instead of SYMBOL_REF_IN_BLOCK_P.
3520 * explow.c (use_anchored_address): Likewise.
3521 * rtl.c (rtx_size): Likewise.
3522 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3523 instead of SYMBOL_FLAG_IN_BLOCK.
3524 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3525 SYMBOL_REF_IN_BLOCK_P.
3526 (assemble_variable): Likewise.
3527 (output_constant_def_contents): Likewise.
3528 (output_constant_pool): Likewise.
3529 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3530 instead of SYMBOL_FLAG_IN_BLOCK.
3531 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3532 SYMBOL_REF_IN_BLOCK_P.
3533 (SYMBOL_REF_BLOCK): Likewise.
3534 (SYMBOL_REF_OFFSET): Likewise.
3535 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3536 SYMBOL_REF_IN_BLOCK_P.
3537 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3538 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3539 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3540 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3542 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3544 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3546 2006-03-02 Roger Sayle <roger@eyesopen.com>
3548 * simplify-rtx.c (simplify_unary_operation): When simplifying
3549 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3550 that we perform the right shift in the appropriate mode, and
3551 then extend or truncate the result to requested mode.
3553 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3555 * gengtype.c (main): Handle double_int type.
3556 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3557 * double-int.c: New file.
3558 * double-int.h: New file.
3559 * system.h: Include doubleint.h.
3560 * Makefile.in (SYSTEM_H): Include double-int.h.
3561 (double-int.o): Add.
3563 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3566 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3569 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3571 * tree-vrp.c (remove_range_assertions): Do not update statements
3574 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3576 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3578 * gcse.c (rest_of_handle_gcse): Ditto.
3579 * except.c (gate_handle_eh): Ditto.
3580 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3581 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3583 2006-03-02 Eric Christopher <echristo@apple.com>
3585 * config/i386/i386.c (machopic_output_stub): Add indirection to
3588 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3592 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3594 Sun Niagara specific optimizations.
3595 * config.gcc: Recognize niagara as target.
3596 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3597 (TARGET_CPU_niagara): Define.
3598 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3599 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3600 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3601 (ASM_CPU_SPEC): Likewise.
3602 (PROCESSOR_NIAGARA): New enum entry.
3603 (REGISTER_MOVE_COST): Handle Niagara.
3604 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3605 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3606 (sparc_override_options): Recognize "niagara", set appropriate
3607 default MASK_* values for it, and align functions to 32-bytes
3608 by default just like ULTRASPARC/ULTRASPARC3.
3609 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3610 (sparc64_initialize_trampoline): Likewise.
3611 (sparc_use_sched_lookahead): Use zero for niagara.
3612 (sparc_issue_rate): Use one for niagara.
3613 * config/sparc/niagara.md: New file.
3614 * config/sparc/sparc.md: Include it.
3615 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3616 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3617 when default cpu is niagara.
3618 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3619 (ASM_CPU_SPEC): Likewise.
3620 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3621 when default cpu is niagara.
3622 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3623 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3624 just like v9/ultrasparc/ultrasparc3.
3625 * doc/invoke.texi: Add documentation for "niagara" and improve
3626 existing documentation for ultrasparc variants.
3628 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3630 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3632 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3634 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3635 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3636 and say that only one is needed.
3637 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3638 * target.h (have_switchable_bss_sections): New hook.
3639 * explow.c (use_anchored_address): Check that the symbol is in a block.
3640 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3641 (bss_noswitch_section): New variables.
3642 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3643 (get_noswitch_section): New function.
3644 (get_block_for_section): Allow SECT to be null.
3645 (unlikely_text_section_p): Use SECTION_STYLE.
3646 (bss_initializer_p): New function.
3647 (get_variable_section): Move earlier in file. Take a new argument,
3648 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3649 Return one of the new *_sections in such cases.
3650 (get_block_for_decl): New function, extracting some logic from
3651 use_blocks_for_decl_p.
3652 (change_symbol_section): Remove in favor of...
3653 (change_symbol_block): ...this new function.
3654 (use_blocks_for_decl_p): Remove checks now performed by
3656 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3657 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3658 (emit_local, emit_bss, emit_common): ...these new functions.
3659 Return true if the alignment was honored.
3660 (emit_tls_common): New function.
3661 (asm_emit_uninitialised): Delete.
3662 (assemble_variable_noswitch): New function, split out from...
3663 (assemble_variable): ...here. Don't make decisions about common
3664 variables here. Globalize all public decls that go into non-common
3665 sections. Check whether SYMBOL_REF_BLOCK is null.
3666 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3667 (output_constant_pool): Likewise.
3668 (init_varasm_once): Initialize the new section variables.
3669 (have_global_bss_p): New function.
3670 (categorize_decl_for_section): Use bss_initializer_p.
3671 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3672 (place_block_symbol): Assert that the symbol must be in a block.
3673 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3674 (TARGET_INITIALIZER): Include it.
3675 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3676 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3677 (SECTION_MACH_DEP): Bump by two.
3678 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3679 (unnamed_section): Mention SECTION_UNNAMED in comment.
3680 (named_section): Likewise SECTION_NAMED.
3681 (noswitch_section_callback): New type.
3682 (noswitch_section): New structure.
3683 (section): Add a noswitch_section alternative.
3684 (SECTION_STYLE): New macro.
3685 (tls_comm_section, comm_section, lcomm_section): Declare.
3686 (bss_noswitch_section, have_global_bss_p): Declare.
3687 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3688 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3690 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3691 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3694 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3696 * gcc/tree-vrp.c (execute_vrp): Return value.
3697 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3698 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3699 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3700 (tree_lower_complex_O0): Ditto.
3701 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3702 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3703 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3704 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3705 (execute_tail_calls): Ditto.
3706 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3707 * gcc/tree.h (init_function_for_compilation): Ditto.
3708 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3709 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3710 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3711 * gcc/final.c (compute_alignments): Ditto.
3712 (rest_of_handle_final): Ditto.
3713 (rest_of_handle_shorten_branches): Ditto.
3714 (rest_of_clean_state): Ditto.
3715 * gcc/omp-low.c (execute_expand_omp): Ditto.
3716 (execute_lower_omp): Ditto.
3717 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3718 * gcc/ipa-reference.c (static_execute): Ditto.
3719 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3720 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3721 (rest_of_handle_machine_reorg): Ditto.
3722 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3723 * gcc/flow.c (recompute_reg_usage): Ditto.
3724 (rest_of_handle_remove_death_notes): Ditto.
3725 (rest_of_handle_life): Ditto.
3726 (rest_of_handle_flow2): Ditto.
3727 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3728 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3729 (do_ssa_store_ccp): Ditto.
3730 (execute_fold_all_builtins): Ditto.
3731 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3732 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3733 * gcc/ipa-pure-const.c (static_execute): Ditto.
3734 * gcc/cse.c (rest_of_handle_cse): Ditto.
3735 (rest_of_handle_cse2): Ditto.
3736 * gcc/web.c (rest_of_handle_web): Ditto.
3737 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3738 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3739 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3740 * gcc/tree-nrv.c (tree_nrv): Ditto.
3741 (execute_return_slot_opt): Ditto.
3742 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3743 (create_structure_vars): Ditto.
3744 * gcc/loop-init.c (rtl_loop_init): Ditto.
3745 (rtl_loop_done): Ditto.
3746 (rtl_move_loop_invariants): Ditto.
3747 (rtl_unswitch): Ditto.
3748 (rtl_unroll_and_peel_loops): Ditto.
3749 (rtl_doloop): Ditto.
3750 * gcc/gimple-low.c (lower_function_body): Ditto.
3751 (mark_used_blocks): Ditto.
3752 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3753 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3754 (cgraph_early_inlining): Ditto.
3755 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3756 * gcc/jump.c (cleanup_barriers): Ditto.
3757 (purge_line_number_notes): Ditto.
3758 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3759 (rest_of_handle_if_after_reload): Ditto.
3760 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3761 (tree_ssa_loop_im): Ditto.
3762 (tree_ssa_loop_unswitch): Ditto.
3763 (tree_vectorize): Ditto.
3764 (tree_linear_transform): Ditto.
3765 (tree_ssa_loop_ivcanon): Ditto.
3766 (tree_ssa_empty_loop): Ditto.
3767 (tree_ssa_loop_bounds): Ditto.
3768 (tree_complete_unroll): Ditto.
3769 (tree_ssa_loop_prefetch): Ditto.
3770 (tree_ssa_loop_ivopts): Ditto.
3771 (tree_ssa_loop_done): Ditto.
3772 * gcc/predict.c (tree_estimate_probability): Ditto.
3773 * gcc/recog.c (split_all_insns_noflow): Ditto.
3774 (rest_of_handle_peephole2): Ditto.
3775 (rest_of_handle_split_all_insns): Ditto.
3776 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3777 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3778 (rest_of_handle_stack_adjustments): Ditto.
3779 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3780 * gcc/function.c (instantiate_virtual_regs): Ditto.
3781 (init_function_for_compilation): Ditto.
3782 (rest_of_handle_check_leaf_regs): Ditto.
3783 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3784 (rest_of_handle_gcse): Ditto.
3785 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3786 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3787 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3788 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3789 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3790 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3791 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3792 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3793 * gcc/except.c (set_nothrow_function_flags): Ditto.
3794 (convert_to_eh_region_ranges): Ditto.
3795 (rest_of_handle_eh): Ditto.
3796 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3797 (remove_unnecessary_notes): Ditto.
3798 * gcc/except.h (set_nothrow_function_flags): Ditto.
3799 (convert_to_eh_region_ranges): Ditto.
3800 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3801 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3802 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3803 (execute_fre): Ditto.
3804 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3805 (rest_of_handle_jump2): Ditto.
3806 * gcc/tree-sra.c (tree_sra): Ditto.
3807 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3808 (execute_mudflap_function_decls): Ditto.
3809 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3810 (do_store_copy_prop): Ditto.
3811 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3812 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3813 * gcc/tree-ssa-forwprop.c
3814 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3815 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3816 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3817 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3818 (execute_late_warn_uninitialized): Ditto.
3819 * gcc/rtl.h (cleanup_barriers): Ditto.
3820 (split_all_insns_noflow): Ditto.
3821 (purge_line_number_notes): Ditto.
3822 (unshare_all_rtl): Ditto.
3823 (remove_unnecessary_notes): Ditto.
3824 (recompute_reg_usage): Ditto.
3825 (variable_tracking_main): Ditto.
3826 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3827 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3828 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3829 (execute_free_cfg_annotations): Ditto.
3830 (execute_fixup_cfg): Ditto.
3831 (execute_cleanup_cfg_pre_ipa): Ditto.
3832 (execute_cleanup_cfg_post_optimizing): Ditto.
3833 (execute_init_datastructures): Ditto.
3834 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3835 * gcc/combine.c (rest_of_handle_combine): Ditto.
3836 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3837 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3838 (rest_of_handle_reorder_blocks): Ditto.
3839 (rest_of_handle_partition_blocks): Ditto.
3840 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3841 * gcc/tree-profile.c (tree_profiling): Ditto.
3842 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3843 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3844 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3845 (rest_of_handle_sched2): Ditto.
3846 * gcc/basic-block.h (free_bb_insn): Ditto.
3847 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3848 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3849 (remove_useless_stmts): Ditto.
3850 (split_critical_edges): Ditto.
3851 (execute_warn_function_return): Ditto.
3852 (execute_warn_function_noreturn): Ditto.
3853 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3854 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3855 * gcc/passes.c (execute_one_pass): Run additional
3856 todos returned by execute function.
3857 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3860 2006-03-02 Richard Guenther <rguenther@suse.de>
3862 * tree-ssa-alias.c (find_used_portions): Consider taking
3863 the address as making the variable not write-only.
3865 2006-03-02 Nick Clifton <nickc@redhat.com>
3867 * config.gcc (default_use_cxa_atexit): Extend the description of
3868 this configure variable. Set its default value to "yes" for
3869 Linux, NetBSD and ELF targets on the assumption that they will
3870 use C libraries with the __cxa_atexit function.
3872 2006-03-02 Ben Elliston <bje@au.ibm.com>
3874 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3875 parameter as unused to suppress a build warning.
3877 2006-03-02 Ben Elliston <bje@au.ibm.com>
3879 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3882 2006-03-01 Roger Sayle <roger@eyesopen.com>
3885 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3886 declared name, the weak reference name, and the typeof name.
3887 (__gthrw): Avoid expanding the declared name suffix.
3888 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3890 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3892 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3894 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3895 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3896 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3897 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3898 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3899 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3900 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3901 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3902 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3903 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3904 (DW_END_default, DW_END_big, DW_END_little): New.
3905 (DW_END_lo_user, DW_END_hi_user): Define.
3906 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3907 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3908 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3911 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3913 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3915 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3917 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3919 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3921 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3922 to 'symbol_mem_tag'.
3924 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3927 2006-03-01 Roger Sayle <roger@eyesopen.com>
3929 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3931 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3934 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3935 MACHO_DYNAMIC_NO_PIC_P.
3936 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3938 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3941 * config/darwin-protos.h (darwin_asm_output_anchor):
3943 * config/darwin-sections.def (cstring_section):
3944 Add SECTION_MERGE to the flags.
3945 (literal4_section): Likewise.
3946 (literal8_section): Likewise.
3947 (objc_selector_refs_section): Likewise.
3948 (objc_cls_refs_section): Likewise.
3949 * config/darwin.c (darwin_asm_output_anchor): New
3951 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3953 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3955 Fix PR tree-optimization/26443
3956 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3957 to todo and PROP_tmt_usage to properties_destroyed.
3958 * tree-ssa-ccp.c (pass_ccp): Ditto.
3959 (pass_store_ccp): Ditto.
3960 * tree-ssa-dom.c (pass_dominator): Ditto.
3962 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3964 * tree-ssa-operands.c: Cleanup whitespace.
3965 (get_asm_expr_operands): Move before first invocation.
3966 (get_indirect_ref_operands): Likewise.
3967 (get_tmr_operands): Likewise.
3968 (get_call_expr_operands): Likewise.
3969 (append_def): Likewise.
3970 (append_use): Likewise.
3971 (append_v_may_def): Likewise.
3972 (append_v_must_def): Likewise.
3973 (add_call_clobber_ops): Likewise.
3974 (add_call_read_ops): Likewise.
3975 (add_stmt_operand): Likewise.
3976 (add_virtual_operand): Likewise.
3977 (build_ssa_operands): Likewise.
3979 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3984 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3985 with a call expr to ...
3986 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3988 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3990 * tree-vrp.c (extract_range_from_assert): Remove special
3991 handling for types with super-types.
3993 2006-03-01 Ben Elliston <bje@au.ibm.com>
3995 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3996 and powerpc64-*-linux* configurations.
3997 * config/t-dfprules: New file.
3999 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4000 Compile dfp-bit.c from the source directory using -DWIDTH and
4001 $DFP_CFLAGS to control the compilation of that file, rather than
4002 generating width-specific versions in the build directory.
4003 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4004 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4006 2006-02-28 Zack Weinberg <zackw@panix.com>
4008 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4011 2006-02-28 Eric Christopher <echristo@apple.com>
4013 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4014 Set up IN_LIBGCC definition of TARGET_64BIT.
4015 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4017 2006-02-28 Roger Sayle <roger@eyesopen.com>
4020 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4021 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4022 cases via the construction of "expr != 0".
4024 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4026 * alias.c (alias_invariant, alias_invariant_size): Remove.
4027 (record_base_value): Remove.
4028 (memrefs_conflict_p): Don't look at alias_invariant.
4029 (end_alias_analysis): Don't free it.
4030 * alias.h (record_base_value): Remove prototype.
4032 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4033 Adam Nemet <anemet@caviumnetworks.com>
4035 * rtl.h (truncated_to_mode): Declare it.
4036 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4037 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4038 (RTL_HOOKS_INITIALIZER): Include it.
4039 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4040 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4041 reg_truncated_to_mode.
4042 * rtlanal.c (truncated_to_mode): Define it.
4043 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4045 2006-02-28 Jeff Law <law@redhat.com>
4047 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4048 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4049 the range allowed by TYPE_PRECISION.
4051 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4053 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4055 PR tree-optimization/26419
4056 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4059 2006-02-27 Zack Weinberg <zackw@panix.com>
4061 * doc/md.texi: Fix typo in previous change.
4063 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4067 2006-02-27 Zack Weinberg <zackw@panix.com>
4069 * rtl.def (define_constraint, define_register_constraint)
4070 (define_memory_constraint, define_address_constraint): New MD forms.
4071 * gensupport.c (process_rtx): Put define_constraint etc on the
4073 * genpreds.c (process_define_predicate): Adjust comment. Validate
4074 the name, and call validate_exp to validate the expression.
4075 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4076 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4077 all callers changed.
4078 (validate_exp, needs_variable, struct constraint_data)
4079 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4080 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4081 (const_dbl_constraints, constraint_max_namelen)
4082 (have_register_constraints, have_memory_constraints)
4083 (have_address_constraints, have_address_constraints)
4084 (have_extra_constraints, have_const_int_constraints)
4085 (have_const_dbl_constraints, mangle, add_constraint)
4086 (process_define_constraint, process_define_register_constraint)
4087 (write_enum_constraint_num, write_lookup_constraint)
4088 (write_insn_constraint_len, write_regclass_for_constraint)
4089 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4090 (write_insn_extra_memory_constraint)
4091 (write_insn_extra_address_constraint)
4092 (write_satisfies_constraint_fns): New.
4093 (write_tm_preds_h): If we have new-style constraint definitions,
4094 prototype the functions generated from them, and define the
4095 old constraint interface (still used by generic code) in terms of
4097 (write_insn_preds_c): If we have new-style constraint definitions,
4098 generate all relevant functions from those definitions.
4099 (main): Handle define_constraint etc.
4100 * genoutput.c (struct constraint_data, indep_constraints)
4101 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4102 (mdep_constraint_len): New data structures and functions, defined
4103 #ifdef USE_MD_CONSTRAINTS.
4104 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4105 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4106 use new logic to validate operand constraints against constraint
4108 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4110 * defaults.h: If none of the old-style constraint macros are
4111 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4112 old-style macros; and poison REG_CLASS_FROM_LETTER,
4113 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4115 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4116 * doc/md.texi: Document new constraint-definition mechanism and the
4117 C interface it provides. Remove references to old mechanism
4118 elsewhere in the document.
4119 (Machine Constraints): Use pathnames relative to gcc directory,
4120 i.e. config/ARCH/FILE. Change i386 section to refer to
4121 config/i386/predicates.md; update that section to match docstrings.
4122 * doc/tm.texi: Move all documentation of the old constraint-
4123 definition macros to their own section, clearly mark as obsolete.
4125 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4126 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4128 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4129 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4130 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4132 (splits and peepholes): Use satisfies_constraint_*.
4133 * config/i386/i386.c (memory_address_length)
4134 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4136 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4138 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4139 scalar operation to be put back into the loop.
4141 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4144 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4145 (extract_cie_info): Handle S flag in augmentation string.
4146 (execute_cfa_program): If context->signal_frame, execute also
4147 fs->pc == context->ra instructions.
4148 (uw_frame_state_for): If context->signal_frame, don't subtract one
4149 from context->ra to find FDE.
4150 (uw_update_context_1): Set context->signal_frame to
4152 (_Unwind_GetIPInfo): New function.
4153 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4154 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4156 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4157 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4158 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4159 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4160 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4161 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4162 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4163 x86_64_fallback_frame_state): Set fs->signal_frame.
4164 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4165 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4166 (frob_update_context): Likewise. Workaround missing S flag in
4167 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4168 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4169 Remove the psw_addr + 1 hack.
4171 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4173 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4174 with aggregates here.
4175 (find_func_aliases): Remove code for &<aggregate> from here.
4177 2006-02-26 Roger Sayle <roger@eyesopen.com>
4179 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4180 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4181 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4184 2006-02-26 Roger Sayle <roger@eyesopen.com>
4187 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4189 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4191 * opts.c (decode_options): Do not handle flag_strength_reduce.
4192 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4193 and OPT_fstrength_reduce.
4194 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4195 flag_prefetch_loop_arrays for being nonzero.
4196 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4198 (fprefetch-loop-arrays-rtl): Removed.
4199 (flag_prefetch_loop_arrays): Do not specify the value.
4201 * doc/passes.texi: Update documentation of loop optimizer
4203 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4204 -frerun-loop-opt): Remove.
4206 2006-02-26 Richard Guenther <rguenther@suse.de>
4208 PR tree-optimization/26421
4209 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4210 in function calls that are ADDR_EXPRs as using the whole structure.
4212 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4214 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4215 * tree-pass.h (pass_loop_optimize): Remove.
4216 * passes.c (pass_loop_optimize): Never run it.
4217 * toplev.c (backend_init): Don't call init_loop.
4218 * opts.c (flag_loop_optimize_set): Remove.
4219 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4220 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4221 the old RTL loop optimizer when profiling enabled.
4222 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4223 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4224 pre-headers for the sake of the old RTL loop optimizer.
4225 * Makefile.in: Remove all references to loop.o.
4227 * doc/invoke.texi: Remove all references to -floop-optimize
4228 and -frerun-loop-opt.
4230 2006-02-26 Zack Weinberg <zackw@panix.com>
4232 * doc/md.texi (Machine Constraints): Refer to all files with paths
4233 relative to gcc directory (i.e. config/CPU/file). Add missing
4234 @table @code ... @end table to M32C subsection.
4236 2006-02-26 Roger Sayle <roger@eyesopen.com>
4238 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4240 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4242 2006-02-26 Roger Sayle <roger@eyesopen.com>
4243 James A. Morrison <phython@gcc.gnu.org>
4246 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4247 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4248 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4249 signedness of the shift operation.
4251 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4253 PR tree-optimization/26359
4254 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4256 2006-02-25 Roger Sayle <roger@eyesopen.com>
4258 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4259 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4260 as X == 0, and some symmetry related transformations.
4261 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4263 2006-02-25 Roger Sayle <roger@eyesopen.com>
4266 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4267 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4268 symmetry related transformations. Fold (X^C1) == C2 as
4271 2006-02-25 Juergen Weigert <jw@suse.de>
4272 Richard Guenther <rguenther@suse.de>
4274 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4276 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4278 * combine.c (gen_lowpart_or_truncate): Call
4279 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4281 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4283 * doc/invoke.texi: Move -fopenmp description to "Options for
4285 Remove reference to -lgomp.
4287 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4289 * doc/install.texi: Require GNU tar version 1.14.
4291 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4293 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4294 * doc/invoke.texi (C++ Dialect Options): Document
4295 -fno-use-cxa-get-exception-ptr.
4296 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4297 * configure: Regenerate.
4298 * c.opt (fuse-cxa-get-exception-ptr): New.
4299 * c-opts.c (c_common_handle_option): Handle
4300 OPT_fuse_cxa_get_exception_ptr.
4301 * c-common.c (flag_use_cxa_atexit): Update documentation.
4302 (flag_use_cxa_get_exception_ptr): New.
4303 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4304 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4306 (C_COMMON_OVERRIDE_OPTIONS): New.
4308 2006-02-24 Roger Sayle <roger@eyesopen.com>
4311 * combine.c (try_combine): Explicitly check whether GET_CODE is
4312 a SET or a CLOBBER, instead on checking that it isn't a USE.
4314 2006-02-24 Roger Sayle <roger@eyesopen.com>
4316 * fold-const.c (fold_comparison): New subroutine of fold_binary
4317 containing transformations common to both the equality and
4318 ordering relational operators, factored out of fold_binary.
4319 (fold_binary): Separate out the equality operators (EQ_EXPR
4320 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4321 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4322 transformations common to both.
4323 (fold_div_compare): Fix latent bugs in the previously unreachable
4324 LT_EXPR and GE_EXPR cases.
4326 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4328 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4329 decl libname for clog to __clog on AIX.
4331 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4333 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4336 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4337 output traceback table for thunks. Localise rs6000_stack_info call.
4339 2006-02-23 Roger Sayle <roger@eyesopen.com>
4340 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4342 * gthr-posix.h (__gthrw): Fix typo in comment.
4344 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4346 * doc/cpp.texi (Character sets): Document that we do support
4347 input files to be in any character set.
4349 2006-02-23 Jeff Law <law@redhat.com>
4351 * tree.h (PHI_ARG_NONZERO): Remove.
4352 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4353 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4354 node to the new node.
4356 PR tree-optimization/26425
4357 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4358 min/max, then assume its varying.
4360 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4362 PR rtl-optimization/26316
4363 * rtlanal.c (enum may_trap_p_flags): New.
4364 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4365 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4366 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4367 (may_trap_after_code_motion_p): New function.
4368 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4369 (find_invariant_insn): Use may_trap_after_code_motion_p.
4370 * rtl.h (may_trap_after_code_motion_p): Declare.
4372 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4374 * emit-rtl.c (immed_double_const): Cleanup.
4376 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4378 Fix PR tree-optimization/26376
4379 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4382 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4385 * gimplify.c (omp_add_variable): Guard variable size decl test with
4386 DECL_SIZE (decl) check.
4388 2006-02-23 Richard Guenther <rguenther@suse.de>
4391 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4392 like aggregate types.
4394 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4396 * configure.ac: Add --with{,out}-long-double-128 configure option.
4397 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4398 * configure: Rebuilt.
4399 * config.in: Rebuilt.
4400 * doc/install.texi (Options specification): Document
4401 --with-long-double-128.
4403 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4404 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4405 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4406 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4408 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4410 * config/s390/s390.c (override_options): Handle
4411 TARGET_DEFAULT_LONG_DOUBLE_128.
4413 * config/alpha/alpha.c (override_options): Handle
4414 TARGET_DEFAULT_LONG_DOUBLE_128.
4416 * config/sparc/sparc.c (sparc_override_options): Handle
4417 TARGET_DEFAULT_LONG_DOUBLE_128.
4419 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4421 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4422 (real-install-headers-tar, real-install-headers-cpio)
4423 (real-install-headers-cp): New targets.
4425 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4427 * tree.h (variable_section): Delete.
4428 * varasm.c (variable_section): Delete.
4430 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4432 * install.texi: Add notes on install.texi2html.
4433 (Building in parallel): Do not use footnotes.
4435 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4438 * doc/install.texi (Configuration): Document --disable-libgomp.
4440 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4442 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4444 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4446 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4447 (vec_extractv2df_0_sse): New.
4449 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4451 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4452 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4453 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4454 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4455 to the result of the expression.
4456 (def_cfa_1): Adjust.
4457 (frame_pointer_cfa_offset): Rename to...
4458 (frame_pointer_fb_offset): ... this. Adjust all uses.
4459 (convert_cfa_to_loc_list): Rename to...
4460 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4461 Pass it on to build_cfa_loc.
4462 (compute_frame_pointer_to_cfa_displacement): Rename to...
4463 (compute_frame_pointer_to_fb_displacement): ... this. New
4464 offset parameter. Use it in computation.
4465 (gen_subprogram_die): Compute cfa_fb_offset with the new
4466 macro, and use it to compute the fb loc list and the
4469 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4471 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4472 replaced with register_operand.
4473 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4474 non-DREG is expensive.
4475 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4476 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4479 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4481 * doc/install.texi2html: Use set -e.
4483 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4485 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4486 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4487 * doc/invoke.texi (-fshared-data): Delete.
4488 * common.opt (fshared-data): Delete.
4489 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4490 (assemble_static_space): Remove #if 0 code.
4491 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4492 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4493 * config/cris/cris.h: Remove FIXME.
4495 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4497 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4500 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4503 * combine.c (simplify_shift_const_1): Disable nested shifts
4504 optimization for vector shifts.
4506 2006-02-20 Roger Sayle <roger@eyesopen.com>
4508 PR tree-optimization/26361
4509 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4510 of unsigned integer types.
4512 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4514 * tree-chrec.c (eq_evolutions_p): New.
4515 * tree-chrec.h (eq_evolutions_p): Declared.
4516 * tree-data-ref.c: Fix formatting.
4517 (datadep_stats, dependence_stats): New.
4519 (print_direction_vector): New.
4520 (dump_data_dependence_relation): Use print_direction_vector.
4521 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4522 (compute_subscript_distance): Static.
4523 (initialize_data_dependence_relation): Static. Get the number
4524 of loops surrounding the references from the callers, and initialize
4525 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4526 base_object_differ_p analyzers.
4527 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4528 compute_overlap_steps_for_affine_1_2,
4529 analyze_subscript_affine_affine): Count the classified dependences.
4530 Print a message when a test failed.
4531 (can_use_analyze_subscript_affine_affine): New.
4532 (analyze_siv_subscript): Compute the data dependences on symbolic
4533 scevs that verify can_use_analyze_subscript_affine_affine.
4534 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4535 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4536 Handle symbolic scevs.
4537 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4539 (subscript_dependence_tester): Moved...
4540 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4541 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4542 DDR_SIZE_VECT instead of getting it in parameter.
4543 (subscript_dependence_tester): ... here. Take as a parameter
4544 loop_nest_depth. Call build_classic_dist_vector and
4545 build_classic_dir_vector.
4546 (compute_affine_dependence): Update subscript_dependence_tester
4547 parameters. Update datadep_stats counters. Call
4548 compute_subscript_distance.
4549 (compute_self_dependence): Save the dist and dir vectors. Call
4550 compute_subscript_distance.
4551 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4552 (compute_all_dependences): Reorder parameters as they were before
4553 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4554 compute_subscript_distance. Update the use of
4555 compute_affine_dependence and initialize_data_dependence_relation.
4556 (find_data_references_in_loop): Handle COMPONENT_REF.
4557 (compute_data_dependences_for_loop): Initialize dependence_stats.
4558 Don't call build_classic_dist_vector and build_classic_dir_vector.
4559 Update the parameters of initialize_data_dependence_relation and
4560 compute_all_dependences. Print the statistics from datadep_stats.
4561 (analyze_all_data_dependences): Static. Not used until the pass for
4562 checking the data dependences is contributed.
4563 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4564 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4565 (initialize_data_dependence_relation, compute_affine_dependence,
4566 analyze_all_data_dependences, compute_subscript_distance): Removed.
4567 (print_direction_vector): New.
4568 * lambda.h (gcd): ... here.
4569 (lambda_vector_gcd): Moved here from gcd_vector.
4570 * lambda-code.c (gcd, gcd_vector): Removed.
4571 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4572 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4574 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4576 * ipa-type-escape.c: Tidy some comments and white space.
4577 * tree-ssa-operands.c: Likewise.
4579 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4582 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4583 (dump_decl_name): Do not walk the decl tree chains.
4584 * tree-pass.h (TDF_CHAIN): Remove.
4586 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4588 * Makefile.in (C): Remove
4590 (.PHONY): Remove C and PROTO
4592 2006-02-20 Roger Sayle <roger@eyesopen.com>
4595 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4596 deprecated CHAR_TYPE tree code.
4598 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4600 * configure.ac (target_list): Add install-info, dvi, html.
4601 * configure: Regenerate.
4603 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4604 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4605 treelang/Make-lang.in: Do not use double-colon rules.
4607 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4609 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4610 (TMT_USED_ALONE): New macro.
4611 * tree-pass.h (PROP_tmt_usage): New property.
4612 (TODO_update_tmt_usage): New todo.
4613 * tree-ssa-alias.c (updating_used_alone): New variable.
4614 (recalculate_used_alone): New function.
4615 (compute_may_aliases): Set updating_used_alone, call
4616 recalculate_used_alone.
4617 * tree-sra.c (pass_sra): Note that this pass destroys
4618 PROP_tmt_usage, and add TODO_update_tmt_usage.
4619 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4620 * tree-flow.h (updating_used_alone): Prototype.
4621 (recalculate_used_alone): Ditto.
4622 * passes.c (execute_todo): Add code to set updating_used_alone,
4623 and call recalculate.
4624 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4625 for clobber if used alone, and add assert to verify used_alone
4628 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4630 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4631 for non tls symbols added.
4632 (legitimize_address): Do nothing for PLUS expressions if one of the
4633 addends is a tls symbol reference.
4635 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4639 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4641 * Makefile.in (BOOTSTRAPPING): New.
4642 (quickstrap): New definition if BOOTSTRAPPING=yes.
4644 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4645 * configure.ac: Substitute all_selected_languages with the languages
4646 that were configured. For all the other variables except
4647 lang_specs_files, include all the languages in the tree.
4648 * configure: Regenerate.
4650 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4651 if there is one. Run the commands to run fixincludes in the same
4654 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4655 * doc/install.texi: Document exact conventions for searching target tools.
4656 Document --with-build-time-tools. Document toplevel bootstrap. Document
4657 something more about building an Ada cross-compiler. Don't list GNU Make
4658 requirements which affect all platforms.
4660 2006-02-19 Roger Sayle <roger@eyesopen.com>
4663 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4664 only equivalent if the have both the same mode and precision.
4666 2006-02-20 Ben Elliston <bje@au.ibm.com>
4668 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4670 2006-02-19 Roger Sayle <roger@eyesopen.com>
4671 Steven Bosscher <stevenb.gcc@gmail.com>
4673 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4674 constant pool references to identify stack mode constants.
4675 * rtlanal.c (constant_pool_constant_p): New predicate to check
4676 whether operand is a floating point constant in the pool.
4677 * rtl.h (constant_pool_constant_p): Prototype here.
4678 * loop.c (scan_loop): Avoid hoisting constants from the constant
4679 pool on STACK_REGS targets.
4680 (load_mems): Likewise.
4681 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4682 loads into x87 registers expensive in terms of register pressure.
4684 2006-02-19 Roger Sayle <roger@eyesopen.com>
4686 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4687 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4689 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4691 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4692 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4694 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4696 * doc/invoke.texi: Document -fipa-pta.
4697 * common.opt: Add ipa-pta option.
4698 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4699 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4700 (do_ds_constraint): Ditto.
4701 (get_constraint_for): Only add to referenced_vars if
4702 referenced_vars exists.
4703 (insert_into_field_list): Rewrite to do this unsorted.
4704 (insert_into_field_list_sorted): Rename old insert_into_field_list
4706 (create_function_info_for): Use insert_into_field_list_sorted.
4707 (create_variable_info_for): Rewrite so it uses unsorted version,
4708 since the field list is sorted.
4709 (intra_create_variable_infos): Only add to referenced_vars if
4710 referenced_vars exists.
4711 (ipa_pta_execute): Init heapvars, and delete when done.
4712 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4714 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4716 * doc/install.texi: Add missing `@samp'.
4718 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4720 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4723 2006-02-18 Mark Wielaard <mark@klomp.org>
4725 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4726 who added new 4.1 features, bug fixes and integration support.
4728 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4731 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4734 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4736 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4737 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4738 (copy_insn_1): Likewise. Don't copy each field individually.
4740 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4742 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4743 * rtl.c (rtx_size): Rename variable to...
4744 (rtx_code_size): ...this.
4745 (rtx_size): New function.
4746 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4747 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4749 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4750 * rtl.h (rtx_code_size): New variable.
4751 (rtx_size): Change from a variable to a function.
4752 (RTX_SIZE): Rename to...
4753 (RTX_CODE_SIZE): ...this.
4756 PR tree-optimization/17106
4757 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4758 (Anchored Addresses): New section.
4759 * doc/invoke.texi (-fsection-anchors): Document.
4760 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4761 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4762 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4763 * hooks.c (hook_bool_mode_rtx_false): New function.
4764 * hooks.h (hook_bool_mode_rtx_false): Declare.
4765 * gengtype.c (create_optional_field): New function.
4766 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4767 SYMBOL_REF_IN_BLOCK_P is true.
4768 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4769 (min_anchor_offset, max_anchor_offset): Likewise.
4770 (use_anchors_for_symbol_p): New hook.
4771 * toplev.c (compile_file): Call output_object_blocks.
4772 (target_supports_section_anchors_p): New function.
4773 (process_options): Check that -fsection-anchors is only used on
4774 targets that support it and when -funit-at-a-time is in effect.
4775 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4776 if the decl doesn't have one.
4777 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4778 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4779 of force_const_mem through use_anchored_address.
4780 (expand_expr_constant): New function.
4781 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4782 calling expand_expr for INDIRECT_REF.
4783 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4784 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4785 * expr.h (use_anchored_address): Declare.
4786 * loop-unroll.c: Don't declare rtx vectors here.
4787 * explow.c: Include output.h.
4788 (validize_mem): Call use_anchored_address.
4789 (use_anchored_address): New function.
4790 * common.opt (-fsection-anchors): New switch.
4791 * varasm.c (object_block_htab, anchor_labelno): New variables.
4792 (hash_section, object_block_entry_eq, object_block_entry_hash)
4793 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4794 (use_blocks_for_decl_p, change_symbol_section): New functions.
4795 (get_variable_section): New function, split out from assemble_variable.
4796 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4797 use_blocks_for_decl_p say so. Use change_symbol_section if the
4798 symbol has already been created.
4799 (assemble_variable_contents): New function, split out from...
4800 (assemble_variable): ...here. Don't output any code for
4801 block symbols; just pass them to place_block_symbol.
4802 Use get_variable_section and assemble_variable_contents.
4803 (get_constant_alignment, get_constant_section, get_constant_size): New
4804 functions, split from output_constant_def_contents.
4805 (build_constant_desc): Create a block symbol if use_object_blocks_p
4806 says so. Or into SYMBOL_REF_FLAGS.
4807 (assemble_constant_contents): New function, split from...
4808 (output_constant_def_contents): ...here. Don't output any code
4809 for block symbols; just pass them to place_section_symbol.
4810 Use get_constant_section and get_constant_alignment.
4811 (force_const_mem): Create a block symbol if use_object_blocks_p and
4812 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4813 (output_constant_pool_1): Add an explicit alignment argument.
4814 Don't switch sections here.
4815 (output_constant_pool): Adjust call to output_constant_pool_1.
4816 Switch sections here instead. Don't output anything for block symbols;
4817 just pass them to place_block_symbol.
4818 (init_varasm_once): Initialize object_block_htab.
4819 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4820 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4821 (place_block_symbol, get_section_anchor, output_object_block)
4822 (output_object_block_htab, output_object_blocks): New functions.
4823 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4824 (TARGET_ASM_OUT): Include it.
4825 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4826 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4827 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4828 (TARGET_INITIALIZER): Include them.
4829 * rtl.c (rtl_check_failed_block_symbol): New function.
4830 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4831 (block_symbol, object_block): New structures.
4832 (rtx_def): Add a block_symbol field to the union.
4833 (BLOCK_SYMBOL_CHECK): New macro.
4834 (rtl_check_failed_block_symbol): Declare.
4835 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4836 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4837 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4838 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4839 * output.h (output_section_symbols): Declare.
4840 (object_block): Name structure.
4841 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4842 (default_use_anchors_for_symbol_p): Declare.
4843 * Makefile.in (RTL_BASE_H): Add vec.h.
4844 (explow.o): Depend on output.h.
4845 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4846 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4847 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4848 (rs6000_use_blocks_for_constant_p): New function.
4850 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4852 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4854 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4857 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4860 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4862 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4866 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4869 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4870 instead of DECL_REGISTER.
4872 2006-02-18 Olivier Hainque <hainque@adacore.com>
4875 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4877 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4880 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4881 * opth-gen.awk: Handle Var and InverseMask together.
4882 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4883 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4884 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4885 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4887 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4888 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4889 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4890 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4891 LINUX_DYNAMIC_LINKER): Define.
4892 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4893 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4895 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4896 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4897 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4899 (TARGET_C99_FUNCTIONS): Don't define.
4900 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4901 GLIBC_DYNAMIC_LINKER.
4902 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4903 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4904 GLIBC_DYNAMIC_LINKER64): Define.
4905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4906 LINUX_DYNAMIC_LINKER64.
4907 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4909 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4911 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4912 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4913 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4914 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4915 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4917 and LINUX_DYNAMIC_LINKER32.
4918 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4920 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4922 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4924 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4925 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4926 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4927 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4928 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4929 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4930 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4931 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4932 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4933 LINUX_DYNAMIC_LINKER): Define.
4934 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4935 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4936 GLIBC_DYNAMIC_LINKER64): Define.
4937 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4938 LINUX_DYNAMIC_LINKER64.
4939 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4940 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4941 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4942 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4943 LINUX_DYNAMIC_LINKER): Define.
4944 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4945 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4946 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4947 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4948 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4949 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4950 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4951 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4952 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4953 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4955 * doc/invoke.texi (-muclibc): Remove caveat about supported
4958 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4960 * doc/cpp.texi (__TIMESTAMP__): Document.
4962 2006-02-17 Roger Sayle <roger@eyesopen.com>
4965 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4966 C is one less than the width of X (and related transformations).
4967 * simplify-rtx.c (simplify_unary_operation_1): Transform
4968 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4969 depending on STORE_FLAG_VALUE, were C is one less then the
4972 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4974 Fix PR tree-optimization/26341
4975 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4976 about NAME_MEMORY_TAG's.
4978 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4981 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4982 with hardware float support, and software float support. Add fcpy
4983 alternative to hardware patterns. Add alternatives to copy between
4984 general and floating-point registers to the 32-bit pattern.
4985 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4986 secondary reload to load a QI or HI mode constant into a floating
4988 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4989 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4991 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4994 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4996 (load_macho_picbase_di): Likewise.
4998 2006-02-16 Jeff Law <law@redhat.com>
5000 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5001 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5002 (ssa_name_nonzero_p): Likewise.
5003 (get_value_range): Return NULL if VRP is not running.
5004 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5005 VRP routines do not discover a range.
5006 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5007 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5008 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5009 (tree_expr_nonnegative_p): Similarly.
5010 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5011 (restore_nonzero_vars_to_original_value): Remove.
5012 (unsafe_associative_fp_binop): Remove.
5013 (tree_ssa_dominator_optimize): Remove initialization and
5014 finalization of nonzero_vars and nonzero_vars_stack.
5015 (dom_opt_initialize_block): No longer push marker on
5017 (dom_opt_finalize_block): No longer call
5018 restore_nonzero_vars_to_original_value.
5019 (record_equivalences_from_phis): No longer look for
5020 nonzero PHI arguments.
5021 (cprop_into_successor_phis): No longer propagate nonzero
5022 property into PHI arguments. Lose unused argument. Caller
5024 (record_equivalences_from_stmt): No longer record nonzero
5025 values for SSA_NAMEs.
5026 (lookup_avail_expr): No longer use nonzero_vars.
5028 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5029 for sizetype when sizetype is unsigned.
5031 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5033 PR rtl-optimization/25603
5034 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5035 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5036 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5037 with new meaning of SETS.
5039 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5044 * config/linux.opt: New file.
5045 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5046 LINUX_DYNAMIC_LINKER): Define.
5047 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5048 * config.gcc (*-*-linux*): Define extra_options.
5049 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5050 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5051 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5052 GLIBC_DYNAMIC_LINKER.
5053 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5054 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5055 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5057 * doc/invoke.texi (GNU/Linux Options): New section.
5059 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5061 * config/sparc/sparc.md (setjmp): Rewrite.
5062 (setjmp_32): Delete.
5063 (setjmp_64): Likewise.
5065 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5067 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5070 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5072 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5075 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5077 PR rtl-optimization/26296
5078 * Makefile.in (loop-invariant.c): Add except.h dependency.
5079 * loop-invariant.c: Include except.h.
5080 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5082 2005-02-16 Paul Brook <paul@codesourcery.com>
5084 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5087 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5089 PR rtl-optimization/25636
5090 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5091 when deciding whether an insn is an initializing insn.
5093 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5095 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5096 (tree_code_size): Ditto.
5097 * tree.h (struct tree_memory_tag): Remove parent_var.
5098 (struct tree_struct_field_tag): New.
5101 (union tree_node): Add sft member.
5102 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5104 (create_sft): Add size and offset argument, set SFT_OFFSET and
5106 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5107 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5108 * tree-flow-inline.h (get_subvar_at): Update for
5109 SFT_OFFSET/SFT_SIZE.
5110 (var_can_have_subvars): Ditto.
5111 (overlap_subvar): Ditto.
5112 * print-tree.c (print_node): Print out interesting things for
5114 * tree-flow.h (struct subvar): Remove offset and size members.
5115 * tree-ssa-operands.c (get_expr_operands): Update for
5116 get_indirect_ref_operands changes.
5117 (get_indirect_ref_operands): Call add_virtual_operand instead of
5118 add_stmt_operand. Only recurse on base var if requested.
5119 (access_can_touch_variable): New function.
5120 (add_stmt_operand): Split virtual operand handling into ...
5121 (add_virtual_operand): Here. Add offset, size, and for_clobber
5122 arguments. Prune alias sets.
5123 (add_call_clobber_ops): Call add_virtual_operand.
5125 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5128 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5130 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5131 than TREE_CODE as index into omp_clause_num_ops array.
5133 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5135 PR rtl-optimization/26184
5136 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5138 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5139 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5140 must_precede, must_follow and tobe_scheduled.
5143 * opts.c (common_handle_option): Free new_option pointer.
5144 * df-core.c (df_analyze): Free postorder pointer.
5146 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5148 * Makefile.in: Fix the examples about the use of stamps
5150 2006-02-15 Michael Matz <matz@suse.de>
5154 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5155 influenced by maximum_field_alignment or DECL_PACKED.
5156 (update_alignment_for_field): Ditto.
5157 (place_field): Ditto.
5158 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5161 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5163 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5164 (debug_flow_info): Pass it.
5165 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5166 * bb-reorder.c (reorder_basic_blocks): Likewise.
5167 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5168 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5169 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5170 * gcse.c (gcse_main, bypass_jumps): Likewise.
5171 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5172 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5173 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5174 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5175 * rtl.h (dump_flow_info): Adjust prototype.
5176 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5177 * var-tracking.c (variable_tracking_main): Likewise.
5178 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5179 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5182 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5184 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5187 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5189 PR tree-optimization/26209
5190 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5191 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5193 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5195 2006-02-14 Roger Sayle <roger@eyesopen.com>
5198 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5199 (X,Y) and the corresponding symmetry related transformations.
5200 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5201 (X,Y) and its symmetry related transformations.
5203 2006-02-14 Roger Sayle <roger@eyesopen.com>
5205 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5208 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5210 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5212 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5215 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5216 support COMDAT group.
5217 * configure: Regenerate.
5219 2006-02-14 Roger Sayle <roger@eyesopen.com>
5224 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5226 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5228 Fix PR tree-optimization/26260
5230 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5232 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5233 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5234 * tree-ssa-structalias.c (create_variable_info_for): Use
5235 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5237 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5239 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5241 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5242 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5243 of the ending condition.
5244 * tree-ssa-loop-manip.c: Include params.h.
5245 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5246 tree_unroll_loop): New functions.
5247 * tree-pass.h (pass_loop_prefetch): Declare.
5248 * loop.c (rest_of_handle_loop_optimize): Test for
5249 -fprefetch-loop-arrays-rtl.
5250 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5251 * timevar.def (TV_TREE_PREFETCH): New timevar.
5252 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5253 pass_loop_prefetch): New.
5254 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5255 (cleanup_tree_cfg_loop): Call scev_reset.
5256 * common.opt (fprefetch-loop-arrays-rtl): Add.
5257 * tree-ssa-loop-prefetch.c: New file.
5258 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5259 (new_temp_expr_table): Initialize expr_vars.
5260 (free_temp_expr_table): Cleanup expr_vars.
5261 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5262 expressions from being merged into one.
5263 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5264 (struct tree_niter_desc): Add control, bound and cmp fields.
5265 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5267 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5268 (tree-cfgcleanup.o): Add SCEV_H dependency.
5269 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5270 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5272 2006-02-14 Richard Guenther <rguenther@suse.de>
5274 PR tree-optimization/26258
5275 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5276 in PHI argument processing.
5278 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5280 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5281 new expression in the requested machine mode.
5283 2006-02-13 Roger Sayle <roger@eyesopen.com>
5285 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5286 directly, instead let do_compare_rtx_and_jump handle this for us.
5287 * expr.c (expand_expr_real_1): Likewise.
5288 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5289 before do_jump_by_parts_greater.
5290 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5291 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5293 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5295 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5297 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5299 PR rtl-optimization/26235
5300 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5301 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5304 2006-02-13 Jeff Law <law@redhat.com>
5306 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5309 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5312 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5313 twice if decl is a builtin. When trying again, call get_callee_fndecl
5314 first to verify it is still a builtin.
5316 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5318 * dwarf2out.c (base_type_die): Don't add AT_name here.
5319 (subrange_type_die): Don't add AT_name here.
5320 (modified_type_die): Rearrange code flow. Do add AT_name here.
5322 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5324 PR rtl-optimization/26247
5325 PR rtl-optimization/26248
5326 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5328 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5330 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5331 * config/fixtfdi.c: Likewise.
5332 * config/fixunstfdi.c: Likewise.
5333 * config/floatditf.c: Likewise.
5335 2006-02-13 Roger Sayle <roger@eyesopen.com>
5338 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5339 into (X,C2) if C1 is a subset of the bits of C2. Transform
5340 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5342 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5344 2006-02-13 Josh Conner <jconner@apple.com>
5347 * varasm.c (function_section): Check for section name before
5348 calling select_section on targets that define
5349 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5350 unlikely_text_section instead of hot_function_section if
5351 first_function_block_is_cold.
5353 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5356 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5358 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5360 PR rtl-optimization/26222
5361 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5362 after tree->rtl expansion.
5363 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5364 before passing it to emit_move_insn.
5366 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5368 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5370 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5371 Clarify documentation.
5372 * c-common.h (warn_write_strings): Remove.
5373 * c-common.c (warn_write_strings): Likewise.
5374 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5377 2006-02-12 Roger Sayle <roger@eyesopen.com>
5380 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5381 (do_jump_parts_zero_rtx): New function renamed from
5382 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5383 (do_jump_parts_equality_rtx): New function split out from
5384 do_jump_parts_equality. Old implementation renamed as above.
5385 Call do_jump_parts_zero_rtx if either operand is zero.
5386 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5387 do all of the heavy lifting.
5388 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5389 calling either do_jump_by_parts_greater_rtx or
5390 do_jump_by_parts_equality_rtx.
5391 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5392 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5393 moved to do_compare_rtx_and_jump, call it directly.
5394 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5395 mode argument. Call do_compare_rtx_and_jump.
5396 (emit_case_nodes): Update calls to do_jump_if_equal.
5398 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5400 PR rtl-optimization/26225
5401 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5403 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5405 PR rtl-optimization/26232
5406 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5408 2006-02-11 Jason Merrill <jason@redhat.com>
5411 * tree-inline.c (declare_return_variable): Just don't use the
5412 modify target if it's a gimple complex reg and the return slot
5415 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5417 * doc/contrib.texi: Update my entry.
5419 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5421 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5423 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5425 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5428 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5430 * doc/invoke.texi (-floop-optimize2): Removed.
5431 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5432 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5433 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5434 * common.opt (floop-optimize2): Removed.
5435 (fmove-loop-invariants): Enabled by default.
5437 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5439 * tree-if-conv.c (combine_blocks): Free the result of
5440 get_loop_exit_edges.
5442 2006-02-10 Jeff Law <law@redhat.com>
5444 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5446 PR tree-optimization/26213
5447 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5448 loop trying to follow SSA_NAME_VALUE chains.
5450 2006-02-10 Richard Guenther <rguenther@suse.de>
5452 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5453 deal with structures that end in implicitly variable sized arrays.
5455 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5457 PR rtl-optimization/24762
5458 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5461 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5463 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5464 (struct ivopts_data): Add regs_used field.
5465 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5466 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5467 instead of loop_data->regs_used;
5468 (free_loop_data): Do not free aux fields for loops.
5469 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5470 and tree_ssa_iv_optimize_finalize.
5472 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5474 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5476 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5479 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5480 computing the effective result type.
5482 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5485 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5486 (tree_overlaps_hard_reg_set): Declare.
5487 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5488 type and signature to match function type expected by walk_tree.
5489 (tree_overlaps_hard_reg_set): New function.
5490 (decl_conflicts_with_clobbers_p): Rename to:
5491 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5492 Use tree_overlaps_hard_reg_set. Changed caller.
5493 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5494 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5495 * cris.c (cris_md_asm_clobbers): Likewise.
5497 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5499 * reload1.c (emit_input_reload_insns): Delete code that tries to
5500 inherit using find_equiv_reg.
5502 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5504 * c-common.h (flag_const_strings): Don't declare.
5505 * c-common.c (flag_const_strings): Remove.
5506 * c.opt (fconst_strings): Remove.
5507 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5508 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5509 (c_common_init_options): Don't set flag_const_strings.
5510 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5512 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5514 * arm.md (tlobits_cbranch): New pattern.
5515 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5516 testing a single bit.
5518 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5521 * tree-ssa-pre.c (create_component_ref_by_pieces):
5522 Handle RETURN_DECL like VAR_DECL.
5524 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5527 * fold-const.c (fold_indirect_ref_1): Fold
5528 "*(foo *)&complexfoo" to "__real__ complexfoo"
5529 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5531 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5533 * tree-flow-inline.h (var_can_have_subvars):
5534 Volatile variables should not have subvariables.
5536 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5539 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5540 multiplying unsigned values.
5543 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5545 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5547 2006-02-08 Jason Merrill <jason@redhat.com>
5550 * tree.def: Elaborate on difference from MODIFY_EXPR.
5551 * doc/c-tree.texi (INIT_EXPR): Likewise.
5552 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5553 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5554 (gimplify_target_expr): Likewise.
5555 (gimplify_cond_expr): Remove target handling.
5556 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5557 (gimplify_expr): Clobber it here.
5558 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5559 Do return slot optimization if we have an INIT_EXPR.
5562 * tree-inline.c (declare_return_variable): Also clear
5563 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5566 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5569 * gimplify.c (gimplify_one_sizepos): Fix typo.
5571 2006-02-08 Jeff Law <law@redhat.com>
5573 PR tree-optimization/21417
5574 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5575 across a backedge if the control statement at the end of the
5576 block is data dependent on other statements in the same block.
5577 (record_temporary_equivalences_from_stmts): Remove over-conservative
5578 test for threading across backedges.
5580 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5581 control statement, handle all three special cases in the same
5582 manner as they all have the same desired solution. No longer
5583 special case edge flag updating when the post dominator is
5586 2006-02-08 Roger Sayle <roger@eyesopen.com>
5588 * tree.def (CHAR_TYPE): Remove.
5589 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5590 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5591 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5592 (gen_string_type_die): Delete unreachable function.
5594 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5595 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5596 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5597 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5598 * builtins.c (type_to_class): Likewise.
5599 * fold-const.c (fold_convert, build_range_check,
5600 merge_ranges): Likewise.
5601 * expr.c (count_type_elements): Likewise.
5602 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5603 * stor-layout.c (layout_type): Likewise.
5604 * ipa-type-escape.c (type_to_consider): Likewise.
5605 * gimplify.c (omp_firstprivatize_type_sizes,
5606 gimplify_type_sizes): Likewise.
5607 * explow.c (promote_mode): Likewise.
5608 * tree-sra.c (is_sra_scalar_type): Likewise.
5609 * varasm.c (output_constant): Likewise.
5610 * tree-inline.c (remap_type_1): Likewise.
5611 * convert.c (convert_to_pointer, convert_to_real,
5612 convert_to_integer, convert_to_complex): Likewise.
5614 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5616 * df-scan.c (df_def_record_1): A set destination may
5617 be a parallel regardless of mode.
5619 2006-02-08 Roger Sayle <roger@eyesopen.com>
5622 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5623 * config/mips/_tilib.c: Remove.
5624 * config/fixtfdi.c: New libgcc source file.
5625 * config/fixunstfdi.c: New source file.
5626 * config/floatditf.c: New source file.
5627 * config/floatunditf.c: New souce file.
5628 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5629 files above instead of config/mips/_tilib.c.
5630 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5632 2006-02-08 Jeff Law <law@redhat.com>
5634 PR tree-optimization/26169
5635 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5638 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5640 * df.h (DF_REG_SIZE): Return the length of the initialized
5643 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5645 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5646 __muldf3): Return a correctly signed zero.
5648 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5650 * passes.c (register_one_dump_file): Accept the current properties
5651 instead of pass number. Adjust call to dump_register. Remove
5653 (register_dump_files): Now a wrapper around...
5654 (register_dump_files_1): ... this one. Do not modify the pass
5656 (next_pass_1): Cosmetic fix.
5657 (execute_todo): Keep second parameter only. Use curr_properties
5658 instead of fetching it from the pass structure. Check and set
5660 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5661 instead of fetching it from the pass structure. Fix calls to
5662 execute_todo. Update curr_properties and initialize .vcg RTL dump
5663 after running the pass. Reset last_verified.
5664 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5666 (FIRST_AUTO_NUMBERED_DUMP): New.
5667 (dump_register): Remove "num" parameter, assign it within the
5669 (get_dump_file_name): Modify template for dumps.
5670 * tree-dump.h (dump_register): Adjust prototype.
5671 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5672 (PROP_trees): Add PROP_gimple_lomp.
5673 (TODO_set_props): New.
5674 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5675 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5676 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5678 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5680 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5681 (sparc64-*-linux*): Likewise.
5682 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5683 * config/sparc/t-linux: New file.
5684 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5685 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5686 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5687 -m32 -mlong-double-128.
5689 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5690 * config/alpha/t-linux: New file.
5691 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5693 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5694 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5695 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5696 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5697 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5698 (CPP_ARCH32_SPEC): Remove.
5700 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5702 PR tree-optimization/26145
5703 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5706 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5709 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5710 >= 240000 when generating code for SOM runtime.
5711 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5712 to $$dyncall when generating code for SOM runtime..
5714 2006-02-07 Dirk Mueller <dmueller@suse.com>
5717 * doc/invoke.texi (-Wsequence-point): Update documentation
5718 that -Wsequence-point is implemented for C++ as well.
5720 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5722 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5723 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5724 (LIB_SPEC): Likewise.
5725 * doc/invoke.texi (SPARC options): Document -pthread.
5727 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5729 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5732 2006-02-07 Roger Sayle <roger@eyesopen.com>
5734 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5735 Correct comment describing BOOLEAN_TYPE.
5737 2006-02-07 Dirk Mueller <dmueller@suse.com>
5739 * c.opt: C++ frontend supports -Wdiv-by-zero.
5740 * c-opts.c (c_common_handle_option): Remove dead case.
5742 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5744 * configure.ac (TLS assembler check): Do not enable TLS by
5745 default on SPARC/Solaris before version 10.
5746 * configure: Regenerate.
5748 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5750 * doc/invoke.texi (xl-compat): Document conversion and support
5753 2006-02-07 Jeff Law <law@redhat.com>
5755 * tree-vrp.c (find_conditional_asserts): Update comments.
5756 (simplify_stmt_for_jump_threading): New.
5757 (identify_jump_threads, finalize_jump_threads): New.
5758 (vrp_finalize): Call identify_jump_threads.
5759 (execute_vrp): Call finalize_jump_threads.
5760 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5761 (vrp_element, vrp_data, vrp_element_p): Remove.
5762 (vrp_hash_elt, vrp_variables_stack): Remove.
5763 (vrp_hash, vrp_eq, record_range): Remove.
5764 (simplify_cond_and_lookup_avail_expr): Remove.
5765 (extract_range_from_cond): Remove.
5766 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5767 (simplify_stmt_for_jump_threading): New.
5768 (dom_thread_across_edge): New wrapper.
5769 (tree_ssa_dominator_optimize): No longer initialize or
5770 finalize any of the VRP datastructures. Remove iteration
5771 step and simplify as a result of removal of iteration step.
5772 (pass_dominator): Perform a cfg cleanup after DOM.
5773 (dom_opt_finalize_block): Use the new common routines
5774 for threading jumps. Simplify stack management slightly.
5775 No longer need to unwind VRP state.
5776 (record_equivalences_from_incoming_edge): No longer record
5778 (eliminate_redundant_computations): No longer call
5779 simplify_cond_and_lookup_avail_expr.
5780 * tree-flow.h (potentially_threadable_block): Prototype.
5781 (thread_across_edge): Likewise.
5782 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5783 (tree-ssa-threadedge.o): Add dependencies.
5784 * tree-ssa-threadedge.c: New file.
5785 * passes.c (init_optimization_passes): Merge PHIs before
5786 calling VRP. Run VRP again late in the SSA optimization pipeline.
5788 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5790 * df-core.c (df_set_blocks): Do not dereference function pointers.
5791 (df_finish1): Likewise.
5792 (df_hybrid_search_forward): Likewise.
5793 (df_hybrid_search_backward): Likewise.
5794 (df_iterative_dataflow): Likewise.
5795 (df_analyze_problem): Likewise.
5796 (df_compact_blocks): Likewise.
5797 (df_dump): Likewise.
5798 * df-scan.c (df_rescan_blocks): Likewise.
5799 (df_record_entry_block_defs): Likewise.
5801 * genconditions.c (write_conditions): Guard the definition of
5802 'insn_conditions' with the check on GCC version.
5803 (write_writer): Guard the traversal 'insn_conditions' with
5804 the check on GCC version.
5806 2006-02-07 Richard Guenther <rguenther@suse.de>
5810 2006-01-30 Richard Guenther <rguenther@suse.de>
5812 * gimplify.c (gimplify_target_expr): Handle easy cases
5813 without creating a temporary.
5815 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5817 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5818 use of float in probability computations. Use edge probabilities
5819 in place of statically computed probabilities.
5820 (min_spec_prob): New static variable.
5821 (schedule_insns): Initialize it.
5822 (GET_SRC_PROB): Removed.
5823 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5825 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5828 * config/ia64/unwind-ia64.c: Revert last change.
5829 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5830 (INCOMING_FRAME_SP_OFFSET): Define.
5832 2006-02-06 Roger Sayle <roger@eyesopen.com>
5834 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5836 2006-02-07 Ben Elliston <bje@au.ibm.com>
5838 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5839 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5840 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5841 (ix86_return_in_memory): Handle TDmode.
5842 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5843 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5845 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5847 * reorg.c (dbr_schedule): Use dump_file instead of file.
5849 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5852 * config/ia64/predicates.md (extr_len_operand): New predicate.
5853 * config/ia64/ia64.md (extv): Tighten constraints.
5855 (*tbit_and_2): Ditto.
5856 (*tbit_and_3): Ditto.
5857 (*tbit_or_2): Ditto.
5858 (*tbit_or_3): Ditto.
5862 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5865 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5867 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5869 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5870 loop_optimizer_init and loop_optimizer_finalize
5871 * tree-ssa-sink.c (execute_sink_code): Ditto.
5872 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5873 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5874 tree_ssa_loop_done): Ditto.
5875 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5876 * sched-ebb.c: Include output.h.
5877 (schedule_ebbs): Do not use dump argument.
5878 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5879 * loop.c (loop_dump_stream): Removed.
5880 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5882 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5883 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5884 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5885 loop_iterations, strength_reduce, record_biv, record_giv,
5886 final_giv_value, check_final_value, check_ext_dependent_givs,
5887 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5888 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5889 dump_file instead of loop_dump_stream.
5890 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5892 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5894 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5895 * haifa-sched.c: Include output.h
5896 (schedule_insns, sched_init): Do not use dump argument.
5897 * mode-switching.c (optimize_mode_switching): Ditto.
5898 * modulo-sched.c (stats_file): Removed.
5899 (print_node_sched_params): Do not call argument dump_file.
5900 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5901 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5903 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5905 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5906 rtl_loop_init, rtl_loop_done): Ditto.
5907 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5908 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5910 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5911 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5912 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5913 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5914 * emit-rtl.c (renumber_insns): Ditto.
5915 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5916 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5917 * regclass.c (regclass): Ditto.
5918 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5919 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5920 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5921 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5923 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5924 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5926 * gcse.c (gcse_file, debug_stderr): Removed.
5927 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5928 rest_of_handle_gcse): Do not use dump argument.
5929 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5930 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5931 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5932 compute_code_hoist_vbeinout, compute_code_hoist_data,
5933 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5934 compute_store_table, build_store_vectors, insert_insn_start_bb,
5935 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5936 store_motion): Use dump_file instead of gcse_file.
5937 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5938 * profile.c (profile_dump_file): Removed.
5939 (branch_prob): Use dump_file instead of profile_dump_file.
5940 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5942 * tree-ssa-copy.c (dump_copy_of): Ditto.
5943 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5944 dump file to life_analysis.
5945 * bt-load.c (branch_target_load_optimize): Ditto.
5946 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5948 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5949 regclass, dbr_schedule): Declaration changed.
5950 * sched-int.h (sched_init): Declaration changed.
5951 * tree-profile.c (tree_profile_dump_file): Removed.
5952 (tree_profile_hooks): Removed profile_dump_file hook.
5953 * rtl-profile (rtl_profile_dump_file): Removed.
5954 (rtl_profile_hooks): emoved profile_dump_file hook.
5955 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5957 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5958 * tree-cfg.c (build_tree_cfg): Ditto.
5959 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5960 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5961 Declaration changed.
5962 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5963 life_analysis and schedule_insns.
5964 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5966 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5968 * config/mips/mips.c (mips_reorg): Ditto.
5969 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5972 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5974 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5975 (s390_mangle_fundamental_type): New.
5976 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5979 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5980 (alpha_mangle_fundamental_type): New.
5981 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5984 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5986 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5988 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5989 (sparc_mangle_fundamental_type): New.
5991 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5993 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5994 (s390x-*-linux*): Likewise.
5995 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5996 * config/s390/t-linux: New file.
5998 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6000 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6001 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6003 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6005 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6006 (ANTIC_SAFE_LOADS): New macro.
6007 (find_or_generate_expression): Add prototype.
6008 (set_contains_value): Allow null set for sake of not always having
6009 to allocate ANTIC_SAFE_LOADS.
6010 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6011 Allow COMPONENT_REF too.
6012 (valid_in_set): Allow COMPONENT_REF.
6013 Check ANTIC_SAFE_LOADS too.
6014 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6015 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6017 (can_PRE_operation): Add COMPONENT_REF.
6018 (create_component_ref_by_pieces): New function.
6019 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6020 (insert_aux): Move AGGREGATE_TYPE_P check here.
6021 (compute_avail): Set bb local stmt uids.
6022 (pass_pre): Use TODO_update_ssa_only_virtuals.
6024 2006-02-06 Ben Elliston <bje@au.ibm.com>
6026 * configure.ac: Unconditionally disable decimal float by default.
6027 * configure: Regenerate.
6029 2006-02-06 Ben Elliston <bje@au.ibm.com>
6031 * read-rtl.c (read_name): Terminate reading on EOF.
6033 2006-02-06 Ben Elliston <bje@au.ibm.com>
6035 * dfp.c (decimal_real_arithmetic): Change second argument type
6036 from int to enum tree_code. Do not always return true, but now
6037 return result of any call to decimal_do helper functions.
6038 * dfp.h (decimal_real_arithmetic): Update prototype.
6040 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6042 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6044 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6047 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6050 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6052 * tree-vrp.c (cfg_loops): Removed.
6053 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6054 Use current_loops instead of cfg_loops. Pass flags to
6055 loop_optimizer_init.
6056 * cfgloopmanip.c (fix_loop_structure): Update only available
6058 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6059 loop_optimizer_init.
6060 * modulo-sched.c (build_loops_structure): Removed.
6061 (sms_schedule): Use loop_optimizer_init.
6062 * loop-init.c (loop_optimizer_init): Use flags to determine
6063 which properties of loops to prepare.
6064 (rtl_loop_init): Pass flags to loop_optimizer_init.
6065 * tree-ssa-sink.c (execute_sink_code): Ditto.
6066 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6067 * tree-ssa-pre.c (init_pre): Ditto.
6068 * cfgloop.h (LOOPS_NORMAL): New.
6069 (loop_optimizer_init): Declaration changed.
6071 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6073 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6074 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6076 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6078 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6080 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6081 * pa/t-pa64: Delete quadlib.c rule.
6082 * pa/x-ada: Revert last change.
6083 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6085 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6087 PR rtl-optimization/26087
6088 * rtlanal.c (canonicalize_condition): Do not cross basic block
6091 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6094 * config/ia64/ia64.c: Include debug.h.
6095 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6096 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6097 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6098 (process_epilogue, process_set, process_for_unwind_directive):
6099 Output unwind info only if requested. Add CFA info if requested.
6100 Add new arguments as needed. Adjust callers.
6101 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6103 (DWARF2_FRAME_INFO): Define to zero.
6104 * config/ia64/unwind-ia64.c: Remove code that compensated for
6105 the CFA offset error fixed above.
6106 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6107 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6108 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6109 -funwind-tables and -fexceptions to enable frame info.
6110 (dwarf2out_frame_init): Define initial CFA even if
6111 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6112 DWARF2_UNWIND_INFO is nonzero, not just defined.
6113 (dwarf2out_frame_finish): Output non-EH call frame info only
6114 if DWARF2_FRAME_INFO is nonzero.
6115 (convert_cfa_to_loc_list,
6116 compute_frame_pointer_to_cfa_displacement): Define even if
6117 unwind info is not supported.
6118 (gen_subprogram_die): Use the above unconditionally. Remove
6119 legacy alternate code.
6120 * toplev.c (compile_file): Compile in call to
6121 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6122 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6124 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6125 Jakub Jelinek <jakub@redhat.com>
6127 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6128 IBM extended float format long double as "g" on powerpc*-linux.
6130 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6133 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6134 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6136 2006-02-03 Jason Merrill <jason@redhat.com>
6139 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6142 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6143 on the return slot if it's an NRV.
6145 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6147 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6148 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6149 rewrite_use): Do not handle USE_OUTER.
6150 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6151 add_iv_outer_candidates, may_replace_final_value,
6152 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6153 (find_interesting_uses_op): Functionality of
6154 find_interesting_uses_outer_or_nonlin moved here.
6155 (find_interesting_uses_outside): Use find_interesting_uses_op.
6157 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6160 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6162 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6163 Ulrich Weigand <uweigand@de.ibm.com>
6166 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6167 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6168 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6169 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6171 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6172 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6173 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6174 Define secondary reloads for TFmode moves.
6175 (constant_modes): Add TFmode.
6176 (NR_C_MODES): Set to 8.
6177 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6179 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6180 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6181 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6182 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6183 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6184 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6185 (FPR mode macro): Add TFmode.
6186 (DSF mode macro): New.
6187 (<de>, <dee> mode attributes): Removed.
6188 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6189 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6190 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6191 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6192 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6193 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6194 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6195 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6196 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6197 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6198 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6199 "*negabs<mode>2", "sqrt<mode>2"):
6200 Changed <de> to <xde>. R constraint replaced by <Rf>.
6201 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6203 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6204 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6205 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6207 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6208 "extenddftf2", "extendsftf2"): New expanders.
6209 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6210 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6211 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6212 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6214 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6215 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6216 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6217 __floatditf): Add a GCC_4.1.0 symbol version tag.
6218 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6221 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6224 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6225 Use targetm.binds_local_p instead of TREE_PUBLIC.
6227 2006-02-02 Roger Sayle <roger@eyesopen.com>
6229 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6230 on INTEGER_TYPEs to indicate that it denotes a character type.
6231 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6232 signed_char_type_node, unsigned_char_type_node and char_type_node.
6233 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6234 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6235 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6237 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6238 Daniel Berlin <dberlin@dberlin.org>
6240 * tree-tailcall.c (arg_needs_copy_p): New function.
6241 (eliminate_tail_call): Use arg_needs_copy_p.
6242 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6243 (add_virtual_phis): New function.
6245 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6247 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6248 #ignore instead of #scratch for %g7 .register directive.
6250 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6252 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6255 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6257 * flow.c (calculate_global_regs_live): Assert that there aren't any
6260 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6262 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6264 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6265 bsi_after_labels iterator.
6266 * tree-if-conv.c (find_phi_replacement_condition,
6267 replace_phi_with_cond_modify_expr): Likewise.
6268 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6269 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6271 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6273 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6275 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6278 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6279 array after growing it.
6281 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6284 * fold-const.c (fold_checksum_tree): Change type of buf.
6286 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6288 * reload.c (push_secondary_reload): Initialize t_icode.
6290 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6292 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6293 -msoft-float -mlong-double-128 only issue a warning, but don't
6294 swich to DFmode long double.
6296 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6298 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6299 has a constant equivalent, iterate over equivalents for arg0,
6300 calling simplify_relational_operation and if there's a result
6301 cheaper than X, apply fold_rtx and return the result.
6303 2006-02-01 Jan Hubicka <jh@suse.cz>
6305 * opts.c (no_unit_at_a_time_default): New global variable.
6306 (decode_options): Use it.
6307 * opts.h (no_unit_at_a_time_default): Declare.
6309 2006-02-01 Paul Brook <paul@codesourcery.com>
6311 * function.c (assign_parm_setup_reg): Use function argument promotion
6313 * expr.c (expand_expr_real_1): Use function argument promotion rules
6316 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6318 * gcc.c (process_command): Change j to 'unsigned int'.
6320 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6323 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6324 Use the corrected index for the character
6325 out of the string constant.
6327 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6329 * mode-switching.c (optimize_mode_switching): Fix size
6330 allocated for bb_info[n_entities].
6332 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6334 * gcc.c (main): Correct type that is allocated for
6335 explicit_link_files.
6337 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6339 * config/s390/s390.c (init_alignment_context): Set
6340 ALIAS_SET_MEMORY_BARRIER on the MEM.
6341 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6343 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6346 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6348 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6351 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6353 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6354 * regrename.c: Ditto.
6355 * tree-ssa-loop-im.c: Ditto.
6356 * tree-dump.c: Ditto.
6357 * tree-complex.c: Ditto.
6358 * genrecog.c: Ditto.
6359 * tree-ssa-threadupdate.c: Ditto.
6361 * java/class.c: Ditto.
6362 * java/jcf-parse.c: Ditto.
6363 * java/resource.c: Ditto.
6364 * java/except.c: Ditto.
6365 * java/jvspec.c: Ditto.
6366 * java/jcf-write.c: Ditto.
6367 * java/jcf-path.c: Ditto.
6368 * java/gjavah.c: Ditto.
6369 * java/zextract.c: Ditto.
6370 * java/jcf-io.c: Ditto.
6371 * java/jcf.h: Ditto.
6372 * java/buffer.c: Ditto.
6373 * java/lang.c: Ditto.
6374 * java/parse-scan.y: Ditto.
6375 * java/lex.c: Ditto.
6376 * java/lex.h: Ditto.
6377 * cfgloopmanip.c: Ditto.
6378 * postreload-gcse.c: Ditto.
6379 * tree-ssa-loop-manip.c: Ditto.
6380 * postreload.c: Ditto.
6381 * tree-ssa-loop-ch.c: Ditto.
6385 * diagnostic.c: Ditto.
6387 * genoutput.c: Ditto.
6389 * cfghooks.c: Ditto.
6390 * cfgloopanal.c: Ditto.
6391 * objc/objc-act.c: Ditto.
6393 * genextract.c: Ditto.
6394 * genautomata.c: Ditto.
6395 * pretty-print.c: Ditto.
6397 * cgraphunit.c: Ditto.
6400 * haifa-sched.c: Ditto.
6401 * dominance.c: Ditto.
6403 * tree-ssa-loop-ivopts.c: Ditto.
6405 * mode-switching.c: Ditto.
6406 * modulo-sched.c: Ditto.
6408 * ipa-pure-const.c: Ditto.
6410 * fix-header.c: Ditto.
6412 * tree-stdarg.c: Ditto.
6413 * ipa-utils.c: Ditto.
6414 * loop-init.c: Ditto.
6415 * ipa-inline.c: Ditto.
6418 * alloc-pool.c: Ditto.
6419 * dwarf2out.c: Ditto.
6421 * genattrtab.c: Ditto.
6422 * tree-ssa-loop-ivcanon.c: Ditto.
6426 * fortran/gfortranspec.c: Ditto.
6428 * local-alloc.c: Ditto.
6429 * langhooks.c: Ditto.
6430 * function.c: Ditto.
6431 * tree-vectorizer.c: Ditto.
6433 * ipa-type-escape.c: Ditto.
6435 * tree-if-conv.c: Ditto.
6438 * tree-data-ref.c: Ditto.
6439 * loop-unroll.c: Ditto.
6440 * treelang/treetree.c: Ditto.
6443 * ggc-common.c: Ditto.
6445 * coverage.c: Ditto.
6447 * tree-cfgcleanup.c: Ditto.
6448 * tree-ssa-pre.c: Ditto.
6449 * cfgcleanup.c: Ditto.
6450 * loop-invariant.c: Ditto.
6452 * ipa-prop.c: Ditto.
6453 * print-tree.c: Ditto.
6454 * conflict.c: Ditto.
6455 * ggc-page.c: Ditto.
6456 * sched-deps.c: Ditto.
6457 * regclass.c: Ditto.
6458 * tree-object-size.c: Ditto.
6460 * bb-reorder.c: Ditto.
6461 * resource.c: Ditto.
6462 * var-tracking.c: Ditto.
6464 * df-problems.c: Ditto.
6465 * reg-stack.c: Ditto.
6468 * sched-rgn.c: Ditto.
6469 * tree-ssa-structalias.c: Ditto.
6470 * tree-ssa-reassoc.c: Ditto.
6471 * config/darwin-c.c: Ditto.
6472 * config/darwin.c: Ditto.
6473 * config/arm/arm.c: Ditto.
6475 * collect2.c: Ditto.
6478 2006-01-31 Nicolas Pitre <nico@cam.org>
6480 * arm.md (smaxsi3): Make aware of smax_m1.
6483 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6485 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6487 2006-01-31 Richard Guenther <rguenther@suse.de>
6489 * doc/invoke.texi (-msselibm): Document.
6490 * target.h (expand_library_builtin): New target hook.
6491 * builtins.c (expand_builtin): Use expand_library_builtin.
6492 (default_expand_library_builtin): New function.
6493 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6494 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6495 (link_gcc_math_spec): Declare.
6496 (static_specs): Add link_gcc_math_spec.
6497 * expr.h (default_expand_library_builtin): Declare.
6498 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6499 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6500 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6501 * config/i386/i386.opt (msselibm): New target option.
6502 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6503 (ix86_init_sse_abi_builtins): New function.
6504 (ix86_expand_library_builtin): Likewise.
6505 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6506 (override_options): Handle error conditions wrt -msselibm.
6507 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6508 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6509 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6512 2006-01-31 Richard Guenther <rguenther@suse.de>
6513 Paolo Bonzini <bonzini@gnu.org>
6515 * doc/install.texi (--disable-libgcc-math): Document.
6517 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6519 * expr.h (expand_normal): new inline function.
6520 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6522 * dwarf2out.c: use it.
6527 * config/sparc/sparc.c: use it.
6528 * config/i386/i386.c: use it.
6529 * config/rs6000/rs6000.c: use it.
6530 * config/arm/arm.c: use it.
6531 * config/mips/mips.c: use it.
6532 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6534 2006-01-30 Roger Sayle <roger@eyesopen.com>
6536 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6537 argv to the appropriate type.
6539 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6541 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6544 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6547 * config/s390/s390.c (struct machine_function): New flag
6548 decomposed_literal_pool_addresses_ok_p.
6549 (s390_reorg): Set it before final stage of literal pool transforms.
6550 (s390_decompose_address): Only accept displacements of the form
6551 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6553 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6555 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6556 the comparison routine return.
6558 2006-01-30 Michael Matz <matz@suse.de>
6560 * global.c (find_reg): Only evict for global regs.
6561 Take n_refs into account and dump more info.
6563 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6566 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6567 (pragma_trap, pragma_nosave_low_regs): Likewise.
6568 (current_function_anonymous_args): Likewise.
6569 (sh_deferred_function_attributes): New variable.
6570 (sh_deferred_function_attributes_tail): Likewise.
6571 (print_operand): For '@', look up trap_exit attribute.
6572 (calc_live_regs): Look up trapa_handler attribute. For trapa
6573 handlers, save/restore fpscr, but don't do any other
6574 interrupt-specific saves.
6575 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6576 Fix check for partially saved registers to check for SHmedia.
6577 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6578 (sh_output_function_epilogue): Don't clear any of the removed
6580 (sh_insert_attributes): Don't check pragma_interrupt.
6581 Insert deferred attributes. Check that interrupt attribute is
6582 present for other attributes that require its presence.
6583 (sh_attribute_table): Add new attributes trapa_handler and
6585 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6586 Don't check for pragma_interrupt. Don't store argument.
6587 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6588 (sh_deferred_function_attributes): Declare.
6589 (sh_deferred_function_attributes_tail): Likewise.
6590 * sh.md (sp_switch_1): Add operand. Change generator caller.
6591 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6592 (*return_i): Don't use when trap_exit attribute is in effect.
6593 (*return_trapa): New insn pattern.
6595 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6596 setting c_target_objs and cxx_target_objs.
6597 * t-sh: Add rule for sh-c.o.
6599 2006-01-30 Richard Guenther <rguenther@suse.de>
6602 * gimplify.c (gimplify_target_expr): Handle easy cases
6603 without creating a temporary.
6605 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6607 * vec.h (safe_grow): Remove duplicated line.
6609 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6612 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6613 (expand_omp): ... here.
6614 (expand_omp_parallel): Only remove barriers for combined
6615 parallel+workshare constructs.
6617 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6621 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6622 * tree.c (build_qualified_type): Chain the new type to the original
6623 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6624 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6625 (build_pointer_type_for_mode): Only return unqualified types.
6626 (build_reference_type_for_mode): Likewise.
6628 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6630 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6631 * Makefile.in (CXX_COMPAT_WARN): Define.
6632 * configure: Regenerate.
6634 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6637 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6640 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6642 * toplev.c: Fix thinko.
6644 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6645 Marcin Dalecki <martin@dalecki.de>
6647 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6648 (push_srcloc): Use XNEW.
6649 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6651 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6653 * df-core.c (df_set_blocks): Deleted all variable.
6655 2006-01-28 Ian Lance Taylor <ian@airs.com>
6657 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6658 cgraph_output_pending_asms.
6660 2006-01-28 Zack Weinberg <zackw@panix.com>
6662 * c.opt: Add -W(no-)overlength-strings.
6663 * doc/invoke.texi: Document it.
6664 * c-opts.c (c_common_handle_option): -pedantic implies
6665 -Woverlength-strings, if not explicitly disabled already.
6666 (c_common_post_options): -Woverlength-strings defaults to off, and
6667 is always off for C++.
6668 * c-common.c (fix_string_type): Issue warning about strings longer
6669 than is portable only if warn_overlength_strings. Rearrange code
6670 a little for clarity.
6671 * configure.in: Check for -Wno-overlength-strings as well before
6672 enabling -pedantic in stage 1.
6673 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6674 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6676 * genconditions.c (write_header, write_one_condition)
6677 (write_conditions, write_writer): Consolidate very long strings
6678 that were broken up to fit in C89 portable limit. Don't use
6679 printf when fputs will do.
6681 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6683 * combine.c (simplify_comparison <AND>): Check
6684 TRULY_NOOP_TRUNCATION before start using a subreg.
6686 * config/mips/mips.md (*branch_zero<mode>,
6687 *branch_zero<mode>_inverted, *branch_equality<mode>,
6688 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6689 Remove mode check from comparisons.
6691 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6693 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6695 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6697 * expmed.c (const_mult_add_overflow_p): Remove.
6698 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6700 * recog.c (validate_replace_rtx_subexp): Remove.
6701 * recog.h: Remove the prototype for
6702 validate_replace_rtx_subexp.
6704 * integrate.h: Remove the prototype for
6705 copy_decl_for_inlining.
6706 * rtl.h: Remove the prototype for mark_constant_function.
6707 * tree-vectorizer.h: Remove the prototype for
6708 vect_strip_conversion.
6710 * modulo-sched.c (create_partial_schedule,
6711 free_partial_schedule, reset_partial_schedule): Make them
6714 * hooks.c (hook_bool_rtx_int_false): Remove.
6715 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6717 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6719 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6720 and -mlong-double-128 are incompatible.
6721 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6722 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6723 (TARGET_LIBGCC2_CFLAGS): Define.
6724 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6725 (TARGET_LIBGCC2_CFLAGS): Same.
6726 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6728 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6731 * c-typeck.c (build_binary_op): Perform implicit casts of
6732 operands before shortening them.
6734 * cfgloopmanip.c (split_loop_bb): Remove.
6735 * cfgloop.h: Remove the prototype for split_loop_bb.
6737 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6738 * cfgloop.h: Remove the prototype for
6739 flow_loop_outside_edge_p.
6741 * emit-rtl.c (init_virtual_regs): Make it static.
6742 * function.h: Remove the prototype for init_virtual_regs.
6744 * recog.c (peephole2_optimize): Make it static.
6745 * recog.h: Remove the prototype for peephole2_optimize.
6747 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6749 * df-scan.c (df_record_entry_block_defs): Check if
6750 INCOMING_RETURN_ADDR_RTX is defined.
6752 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6753 Kenneth Zadeck <zadeck@naturalbridge.com>
6755 PR rtl-optimization/24762
6756 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6757 * targhooks.c (hook_void_bitmap): New hook prototype.
6758 * targhoohs.h (hook_void_bitmap): Ditto.
6759 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6760 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6761 * target.h (live_on_entry): New function pointer.
6762 * df-scan.c (df_all_hard_regs): Removed.
6763 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6764 (df_scan_free_internal): Added df->entry_block_defs.
6765 (df_scan_alloc): Ditto.
6766 (df_scan_dump): Ditto.
6767 (df_uses_record): Plumbed flag field properly thru calls.
6768 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6769 This part fixes PR24762.
6770 (df_bb_refs_record): Added code to make the frame and arg
6771 pointers live in EH blocks.
6772 (df_refs_record): Added call to df_record_entry_block_defs.
6773 (df_record_entry_block_defs): New function.
6774 * df-core.c: Added comments to describe new artifical defs.
6775 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6776 (entry_block_defs): New field in struct df.
6777 (df_all_hard_regs): Deleted.
6778 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6779 * df-problems.c (df_ru_bb_local_compute_process_def):
6780 Added code to handle artifical defs in the entry to a function.
6781 (df_ru_bb_local_compute): Ditto.
6782 (df_rd_bb_local_compute_process_def): Ditto.
6783 (df_rd_bb_local_compute): Ditto.
6784 (df_lr_bb_local_compute): Ditto.
6785 (df_ur_bb_local_compute): Ditto.
6786 (df_urec_bb_local_compute): Ditto.
6787 (df_chain_create_bb): Ditto.
6788 (df_ur_local_finalize): Removed entry.
6789 (df_urec_init): Ditto.
6790 (df_urec_local_finalize): Ditto.
6791 (df_ri_bb_compute): Added detection of last use of pseudos.
6792 * Makefile.in (df-scan.o): Updated dependencies.
6793 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6794 * config/mips/mips.c (mips_set_live_on_entry): Added.
6795 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6797 * dce.c (marked_insn_p): Added code to handle artifical defs.
6799 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6801 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6803 (_mm_cvtsi128_si64): Likewise.
6804 (_mm_cvtsd_si64): Likewise.
6805 (_mm_cvttsd_si64): Likewise.
6806 (_mm_cvtsi64_sd): Likewise.
6807 (_mm_cvtsi64_si128): Likewise.
6808 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6809 (_mm_cvtsi64_m64): Likewise.
6810 (_m_to_int64): Likewise.
6811 (_mm_cvtm64_si64): Likewise.
6812 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6813 (_mm_cvttss_si64): Likewise.
6814 (_mm_cvtsi64_ss): Likewise.
6815 (_mm_cvtss_f32): Likewise.
6817 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6819 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6820 for pragma redefine_extname.
6822 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6825 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6826 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6827 -mno-minimal-toc to previous content.
6828 (bispecs): Remove goal.
6829 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6830 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6831 compatibility aliases on powerpc-*-*gnu*.
6832 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6833 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6834 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6835 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6836 (ldblspecs): New goal.
6837 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6838 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6840 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6841 L_sf_to_tf or L_df_to_tf is defined.
6843 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6844 Alan Modra <amodra@bigpond.net.au>
6847 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6848 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6849 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6850 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6851 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6852 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6853 (rs6000_override_options): Initialize rs6000_ieeequad.
6854 Initialize TFmode format to ibm_extended_format if not
6856 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6858 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6859 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6860 (function_arg_advance): IBM long double passed in two FPRs, not
6862 (function_arg): IBM long double passed in FPRs.
6863 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6864 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6865 Only multireg GPR aligned.
6866 (rs6000_init_libfuncs): Enable IBM long double functions if not
6868 (rs6000_generate_compare): Use IBM long double compare if not
6870 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6871 (TARGET_IEEEQUAD): Define.
6872 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6873 not TARGET_IEEEQUAD.
6874 * config/rs6000/rs6000.md: Enable TFmode patterns if
6876 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6877 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6878 and -mlong-double-128 are incompatible.
6879 * doc/invoke.texi (-mabi): Collect options together. Add
6880 ibmlongdouble and ieeelongdouble.
6882 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6884 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6886 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6887 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6888 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6889 * rtl.h (rtunion_def): Remove rt_ptr.
6891 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6892 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6893 * config/i386/winnt.c (i386_pe_mark_dllexport)
6894 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6896 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6898 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6900 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6904 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6905 pthread_key_delete. From John David Anglin. gthrw-ify
6906 pthread_getunique_np only if it it's not a macro. Delete
6908 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6909 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6910 __gthread_objc_condition_signal, __gthread_key_delete): Add
6911 "__attribute__ ((__unused__))" to unused arguments.
6912 (__gthread_recursive_mutex_init_function): Add missing return.
6913 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6914 gthr-posix95.h: Use macro-based approach for name redirection
6915 on targets missing weakref.
6917 2006-01-26 Zack Weinberg <zackw@panix.com>
6919 * genconditions.c (write_header): In generated code, #ifdef out
6920 all includes and fake declarations, except includes of bconfig.h
6921 and system.h, unless GCC_VERSION >= 3001. Do not include
6922 gensupport.h in any case.
6923 (write_conditions): Generate a definition of struct c_test. Add
6924 a comment to the generated #endif.
6925 (write_one_condition): Escape backslashes in string too.
6926 (write_writer): Generated code must escape backslashes and quote
6927 marks (but not newlines) in the strings it writes.
6928 * Makefile.in (build/gencondmd.o): Update dependencies.
6930 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6933 * Makefile.in (insn-automata.o): Add header file dependencies.
6934 * genautomata.c: Add includes.
6936 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6939 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6941 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6943 * configure.ac: Expect target tools paths to be passed from the toplevel
6944 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6946 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6948 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6951 * c.opt (Wpointer-sign): Init to -1.
6952 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6953 OPT_pedantic, to 0 otherwise.
6954 * doc/invoke.texi: Update.
6956 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6958 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6959 constants provided by 80387 instructions in the destination mode.
6961 2006-01-26 Richard Guenther <rguenther@suse.de>
6962 Andrew Pinski <pinskia@physics.uc.edu>
6965 partial PR tree-opt/17064
6966 * tree-ssa-structalias.c (intra_create_variable_infos):
6967 Create heap variables for incoming parameters if
6968 flag_argument_noalias > 1.
6969 (find_what_p_points_to): Look through default defs of
6972 2006-01-26 Jeff Law <law@redhat.com>
6975 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6976 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6977 within the VR_RANGE, use the VR_RANGE as the result, not the
6979 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6980 bounds for the type.
6982 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6984 * tree-ssa-alias.c (maybe_create_global_var): Change
6985 subvar walking to an assertion that we don't have subvar'd variables.
6987 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6990 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6991 Use a new variable, inner. PARM_DECLs are always non-weak.
6993 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6995 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6998 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7000 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7002 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7004 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7005 (smax_insn, smin_insn, smax_0, smin_0): New.
7007 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7010 * config/cris/cris.c (cris_order_for_addsi3): New function.
7011 * config/cris/cris-protos.h: Prototype it.
7012 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7013 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7014 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7015 (split for "op.S1 [rx=rx+i],ry (swapped)")
7016 (split for "op(s|u).S1 [rx=rx+i],ry")
7017 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7018 Apply cris_order_for_addsi3 when generating addsi3 insns.
7020 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7022 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7023 (TREE_BLOCK): Add call to EXPR_CHECK.
7025 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7028 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7029 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7030 (dump_omp_clauses): ... here.
7031 (dump_generic_node): Handle OMP_CLAUSE.
7032 * tree.c (omp_clause_num_ops): New.
7033 (omp_clause_code_name): New.
7034 (tree_code_size): Handle OMP_CLAUSE.
7035 (tree_size): Likewise.
7036 (make_node): Document handling of OMP_CLAUSE.
7037 (tree_node_structure): Handle OMP_CLAUSE.
7038 (omp_clause_check_failed): New.
7039 (omp_clause_range_check_failed): New.
7040 (omp_clause_operand_check_failed): New.
7041 (build_omp_clause): New.
7042 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7043 * tree.h (enum omp_clause_code): Declare.
7044 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7045 (OMP_CLAUSE_RANGE_CHECK): Define.
7046 (OMP_CLAUSE_ELT_CHECK): Define.
7047 (omp_clause_check_failed): Declare.
7048 (omp_clause_operand_check_failed): Declare.
7049 (omp_clause_range_check_failed): Declare.
7050 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7051 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7052 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7053 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7054 (OMP_CLAUSE_IF_EXPR): Likewise.
7055 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7056 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7057 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7058 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7059 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7060 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7061 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7062 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7063 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7064 (OMP_CLAUSE_CODE): Define.
7065 (OMP_CLAUSE_SET_CODE): Define.
7066 (OMP_CLAUSE_CODE): Define.
7067 (OMP_CLAUSE_OPERAND): Define.
7068 (struct tree_omp_clause): Declare.
7069 (union tree_node): Add field 'omp_clause'.
7070 * treestruct.def (TS_OMP_CLAUSE): Define.
7071 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7072 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7073 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7074 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7075 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7076 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7077 (OMP_CLAUSE): Define.
7078 * print-tree.c (print_node): Handle OMP_CLAUSE.
7079 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7080 * c-typeck.c: Likewise.
7081 * gimplify.c: Likewise.
7082 * c-omp.c: Likewise.
7083 * tree-nested.c: Likewise.
7084 * tree-inline.c: Likewise.
7085 * c-parser.c: Likewise.
7086 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7089 2006-01-25 Roger Sayle <roger@eyesopen.com>
7091 PR rtl-optimization/25703
7092 * combine.c (try_combine): Handle zero_extract and strict_low_part
7093 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7095 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7097 * global.c: Fix comment typos.
7099 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7102 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7103 Use output_addr_const instead of assemble_name.
7105 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7107 * Makefile.in (sched-vis.o): Update dependencies.
7108 * haifa-sched.c (sched_finish): Clear current_sched_info.
7109 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7110 (dump_flow_info): Call it.
7111 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7113 * basic-block.h (dump_bb_info): Declare.
7114 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7115 option, and apply options only for dump files whose TDF_RTL,
7116 TDF_TREE, or TDF_IPA bits match.
7117 * rtl.h: Declare new functions exported from sched-vis.c.
7118 * sched-vis.c: Enable also if scheduling is not used.
7119 (print_value): Print the mode of registers if not inside scheduling.
7120 (print_insn): Make it work outside the scheduler. Beautify the output
7122 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7124 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7126 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7127 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7128 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7129 depending on the value of CONSTANT_POOL_ADDRESS_P.
7130 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7132 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7133 rather than SYMBOL_REF_DECL.
7134 (rtx_constant_pool): Remove const_rtx_sym_htab.
7135 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7136 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7137 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7138 Remove handling of const_rtx_sym_htab.
7139 (find_pool_constant): Delete.
7140 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7141 rather than find_pool_constant.
7142 (get_pool_constant_for_function): Delete.
7143 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7145 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7146 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7147 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7148 (SYMBOL_REF_CONSTANT): New macro.
7149 (get_pool_constant_for_function): Delete.
7150 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7151 rather than SYMBOL_REF_DECL.
7152 (i386_pe_mark_dllimport): Likewise.
7153 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7154 rather than SYMBOL_REF_DECL.
7155 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7156 (machopic_indirect_call_target): Likewise.
7158 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7160 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7162 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7164 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7166 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7168 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7170 2006-01-24 David Daney <ddaney@avtrex.com>
7173 * configure.ac (enable_tls): New enable option.
7174 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7175 * configure: Regenerate.
7176 * doc/install.texi (--enable-tls): Document new option.
7177 (--disable-tls): Ditto.
7179 2006-01-24 Richard Henderson <rth@redehat.com>
7181 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7182 * alias.c (true_dependence): Respect it.
7183 (canon_true_dependence, write_dependence_p): Likewise.
7184 * builtins.c (get_builtin_sync_mem): Set it.
7186 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7188 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7191 2006-01-24 DJ Delorie <dj@redhat.com>
7193 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7194 for storing constants in single-bit bitfields.
7196 2006-01-25 Ben Elliston <bje@au.ibm.com>
7198 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7200 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7203 * tree-ssa-pre.c (phi_translate): Return NULL
7204 for AGGREGATE_TYPE's.
7206 2006-01-24 Zack Weinberg <zackw@panix.com>
7208 * genautomata.c (process_state_for_insn_equiv_partition):
7209 Use xcalloc for insn_arcs_array.
7210 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7211 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7213 2006-01-24 Richard Henderson <rth@redhat.com>
7215 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7218 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7220 PR rtl-optimization/25890
7221 PR rtl-optimization/25905
7222 * combine.c (expand_compound_operation, expand_field_assignment):
7223 Fail if the bitfield's final position is out of bounds.
7225 2006-01-24 Ian Lance Taylor <ian@airs.com>
7228 * cgraphunit.c (cgraph_output_in_order): Don't clear
7229 cgraph_asm_nodes until after asm strings have been output.
7231 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7233 * fix-header.c (read_scan_file): Add new parameter imultilib when
7234 calling register_include_chains.
7236 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7238 * omp-low.c: Update documentation.
7240 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7241 Daniel Berlin <dberlin@dberlin.org>
7245 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7246 return from the function.
7248 2006-01-22 Zack Weinberg <zackw@panix.com>
7250 * rtl.def (match_code): Add second argument.
7251 * genpreds.c (write_extract_subexp): New function.
7252 (write_match_code): Add path argument. Use write_extract_subexp.
7253 (write_predicate_expr): Pass path to write_match_code.
7254 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7255 not perform a mode test.
7256 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7257 a subexpression does not constrain the top-level code set.
7258 * read-rtl.c (read_rtx_variadic): New function.
7259 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7260 * doc/md.texi: Document new notation.
7261 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7262 (cmpsi_operand): ... here, using new notation.
7264 2006-01-22 Zack Weinberg <zackw@panix.com>
7266 * varray.c: Remove GENERATOR_FILE #ifdefs.
7268 2006-01-22 Zack Weinberg <zackw@panix.com>
7270 * genautomata.c (output_reserved_units_table): Emit nothing if
7271 description->query_units_num is zero. Remove extra blank line.
7272 (output_cpu_unit_reservation_p): Short circuit
7273 if description->query_units_num is zero.
7275 2006-01-22 Zack Weinberg <zackw@panix.com>
7277 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7278 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7279 nor any of the random handful of variables that used to be necessary
7280 when this program was linked with rtlanal.o. Prune set of forward
7281 function declarations.
7282 (struct attr_desc): Remove static_p field.
7283 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7284 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7285 (attr_string): Do not read the character one past the length of
7287 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7288 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7289 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7290 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7291 (make_automaton_attrs): New.
7292 (main): Do not call into genautomata. Call local gen_bypass
7293 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7294 Remove special case for insn_alts.
7295 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7296 varray.h (leftover from previous change). Prune set of forward
7297 function declarations. Remove state_alts fields from all
7298 structures. Remove state_alts_table from struct automaton.
7299 Make everything except main static. Do not maintain num_dfa_decls.
7300 Do not maintain state_alts fields of various structures.
7301 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7302 (add_arc): Remove state_alts argument. All callers updated.
7303 (output_reserved_units_table): Emit #ifdef here...
7304 (output_tables): ...not here. Don't generate state_alts tables.
7305 (expand_automata): Don't generate attributes.
7306 (write_automata): Don't generate state_alts functions.
7307 (main): New function.
7308 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7309 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7310 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7311 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7312 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7313 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7314 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7315 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7317 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7318 * genattrtab.h: Delete file.
7319 * Makefile.in (OBJS-common): Add insn-automata.o.
7320 (insn-automata.o): New rule.
7321 (simple_generated_c): Add insn-automata.c.
7322 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7323 (genprogmd): Add automata.
7324 (build/genattrtab): Needs no extra objects nor libraries.
7325 (build/genautomata): Needs build/vec.o and -lm.
7327 2006-01-22 Zack Weinberg <zackw@panix.com>
7329 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7330 (output_dfa_max_issue_rate, locked_states_num): Delete.
7331 (struct automaton): Add locked_states field.
7332 (output_dead_lock_vect): Save number of locked states in
7333 automaton->locked_states. If it is zero, don't print anything.
7334 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7335 (output_internal_dead_lock_func): Only test the dead_lock_vect
7336 for automata that have locked states.
7337 (output_statistics): Always print the number of locked states for
7338 each automaton. Calculate total number of locked states here.
7339 (write_automata): Don't call output_dfa_max_issue_rate.
7340 * genattrtab.c: Define length_unit_log as a const variable.
7341 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7342 max_insn_queue_index const.
7343 * final.c (length_unit_log): Declare const.
7344 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7346 2006-01-22 Zack Weinberg <zackw@panix.com>
7348 * genautomata.c: Include vec.h, not varray.h.
7349 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7350 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7351 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7352 VEC_* macros operating on appropriately typed vectors, or to
7353 malloced arrays when the size is known in advance. Const-ify
7354 many char* variables and function arguments. No functional changes.
7355 * Makefile.in (build/varray.o): Delete rule.
7356 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7357 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7359 2006-01-22 Zack Weinberg <zackw@panix.com>
7361 * gensupport.c: Define get_insn_name and record_insn_name here.
7362 (read_md_rtx): Call record_insn_name as appropriate.
7363 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7364 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7365 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7367 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7368 (BUILD_VARRAY): Delete.
7369 (genprognormal): Rename genprogmd. Fold in all programs from
7370 genprognoprint; also attrtab.
7371 (build/genattrtab): Just mention genautomata.o and varray.o.
7372 Reorganize a bit, add comments to make the categories clearer.
7374 2006-01-22 Zack Weinberg <zackw@panix.com>
7376 * genconditions.c (condition_table, add_condition): Delete.
7377 (write_conditions): Don't emit n_insn_conditions nor
7378 insn_elision_unavailable. Issue the gcc version #ifdef here,
7379 inside the table, with no #else clause ...
7380 (write_header): ...not here.
7381 (write_writer): New function.
7382 (main): Don't initialize condition_table. Use add_c_test.
7384 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7385 files on the command line.
7386 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7387 Return -1 if there is no entry in the table, don't abort.
7388 (add_c_test, traverse_c_tests): New functions.
7389 * gensupport.h (insn_elision_unavailable, insn_conditions)
7390 (n_insn_conditions): Delete declarations.
7391 (add_c_test, traverse_c_tests): Declare.
7392 * read-rtl.c: Include gensupport.h.
7393 (read_conditions): New function.
7394 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7395 (read_rtx_1): If we get EOF when we were looking for an initial
7396 open paren, return 0. Call read_conditions when appropriate.
7397 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7398 dummy-conditions.o. Eliminate references to insn-conditions.o,
7399 or change them to build/gencondmd.o, as appropriate. Remove
7400 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7401 from $(simple_generated_c). For all files remaining in those
7402 two lists, add insn-conditions.md to the generator command line.
7403 Give insn-constants.h/s-constants their own rules. Add rules
7404 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7405 (build/read-rtl.o): Depend on gensupport.h.
7406 (genprognormal): Include preds.
7407 (genprogearly): Rename genprognoprint; only difference is now that
7408 they don't link with $(BUILD_PRINT).
7409 * dummy-conditions.c: Delete.
7411 2006-01-22 Zack Weinberg <zackw@panix.com>
7413 * genextract.c: Don't include insn-config.h. Do include vec.h.
7414 Declare vectors of int, char, and locstr.
7415 (locstr): New typedef.
7416 (struct extraction): Make all array fields into bare pointers.
7417 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7418 (insn_code_number): Delete.
7419 (accum_extract): New struct.
7420 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7421 (gen_insn): Take insn_code_number as an argument. Use an
7422 accum_extract structure instead of loading data directly into
7423 a struct extraction, and having to know how big it might get.
7424 (walk_rtx): Operate entirely on an accum_extract structure.
7425 (print_path): Avoid unnecessary use of printf.
7426 (print_header): New function, split out of main. Distinguish
7427 more carefully between an unrecognizable insn and an insn that
7428 has the code number of a define_expand.
7429 (main): Pass insn_code_number to gen_insn. Call print_header
7430 only after parsing. Avoid unnecessary use of printf.
7431 * Makefile.in (build/vec.o): New rule.
7432 (build/genextract): Depend on build/vec.o.
7433 (build/genextract.o): Don't depend on insn-config.h.
7435 2006-01-22 Zack Weinberg <zackw@panix.com>
7437 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7438 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7439 practical. Eliminate per-generator-program link rules.
7441 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7444 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7445 with a call expr to ...
7446 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7448 2006-01-23 Richard Guenther <rguenther@suse.de>
7450 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7451 before make_edge with conditional EDGE_TRUE_VALUE.
7453 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7454 Jan Hubicka <jh@suse.cz>
7455 Richard Guenther <rguenther@suse.de>
7457 PR rtl-optimization/25654
7458 * cfgexpand.c (aggregate_contains_union_type): New function.
7459 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7460 for structure variables that contain a union type.
7462 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7464 * gengtype.c (new_structure): Return the structure.
7465 (create_option): Add an extra "next" argument.
7466 (create_field): New function.
7467 (adjust_field_rtx_def): Use create_option and create_field.
7468 Remove a now-unnecessary call to find_structure.
7469 (adjust_field_tree_def): Likewise.
7470 (note_yacc_type): Remove an unnecessary call to find_structure.
7471 * gengtype.h (new_structure): Return the structure.
7472 (create_option): Add an extra argument.
7473 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7474 (option): Adjust calls to create_option.
7476 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7478 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7480 2006-01-22 Paul Brook <paul@codesourcery.com>
7481 Peter Barada <peter@the-baradas.com>
7483 * config/m68k/m68k.md: Add Coldfire FPU support.
7484 Define FP mode macro and associated attributes.
7485 Use it for float mode patterns.
7486 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7487 (LIBCALL_VALUE): Use m68k_libcall_value.
7488 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7489 (m68k_function_value): Ditto.
7490 (emit_move_sequence): Ditto.
7491 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7492 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7493 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7494 (MULTILIB_EXCEPTIONS): Ditto.
7495 * config/m68k/m68k.opt: Add mcfv4e.
7496 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7497 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7498 (m68k_output_function_prologue): Save ColdFire FPU registers.
7499 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7500 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7501 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7502 ColdFire FPU registers.
7503 (m68k_libcall_value, m68k_function_value): New functions.
7504 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7505 (LIBCALL_VALUE): Use m68k_libcall_value.
7506 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7507 (MASK_COLDFIRE): Add MASK_CFV4E.
7508 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7509 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7510 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7511 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7512 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7513 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7514 * doc/invoke.tex: Document -mcfv4e on m68k.
7516 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7518 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7521 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7524 * c-opts.c (c_common_handle_option): Don't include
7525 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7526 * doc/invoke.texi (C++ Dialect Options): Document that
7527 -Wnon-virtual-dtor is no longer included in -Wall.
7529 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7531 * gcov.c (print_version), gcov-dump.c (print_version),
7532 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7535 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7537 * df-scan.c (problem_SCAN): Added NULL reset function.
7538 (df_scan_reset_blocks): Added code to call reset block function
7539 (df_bb_refs_delete) Fixed comment.
7540 (df_insn_refs_delete): Made tolerant of deleting non existent info
7541 for dataflow problems that need to be reset.
7542 * df-core.c (df_set_blocks): Ditto.
7543 * df.h (struct df_problem): Added reset_fun.
7544 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7545 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7546 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7547 functions to clear out all references to def-use or use-def chains.
7549 2006-01-21 Ben Elliston <bje@au.ibm.com>
7551 * varasm.c (assemble_real): Initialise data array.
7553 2006-01-20 Paul Brook <paul@codesourcery.com>
7555 Merge from csl-arm-branch.
7556 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7557 * config/arm/arm.md (movdi): Force operands[1] to a register
7558 if we have a non-register source.
7559 (*arm_movdi, *movdf_soft_insn): Require that one of the
7560 operands be a register.
7561 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7562 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7564 2006-01-20 DJ Delorie <dj@redhat.com>
7566 * varasm.c (initialize_constant_valid_p): Allow pointers
7567 initialized from integer constants of lesser precision.
7568 (output_constant): Allow non-int-sized pointer modes to be
7569 initialized from integer constants.
7571 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7574 * cppdefault.h (struct default_include): Add multilib flag.
7575 * cppdefault.c (cpp_include_defaults): Set it.
7576 * c.opt (-imultilib): New option.
7577 * c-opts.c (imultilib): New.
7578 (c_common_handle_option): Handle -imultilib.
7579 (c_common_post_options): Likewise.
7580 * c-incpath.c (add_standard_paths, register_include_chains):
7582 * c-incpath.h (register_include_chains): Add extra parameter.
7583 * gcc.c (do_spec_1): Generate -imultilib option.
7584 (The Specs Language): Update %I description.
7585 (process_command): Update copyright notice.
7586 * doc/cppopts.texi (-imultilib): Document.
7587 * doc/invoke.texi (-imultilib): Include in option summary.
7588 (%I): Update specs documentation.
7590 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7592 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7594 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7596 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7599 2006-01-20 Richard Guenther <rguenther@suse.de>
7600 Steven Bosscher <stevenb.gcc@gmail.com>
7602 PR rtl-optimization/24626
7603 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7604 EDGE_TRUE_VALUE if in RTL mode.
7607 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7608 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7610 2006-01-20 Dirk Mueller <dmueller@suse.com>
7613 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7614 instead of a special NOP marker.
7615 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7616 NOP marker handling.
7617 * c-common.h (empty_body_warning): Add forward declaration.
7618 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7619 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7621 2006-01-20 Paul Brook <paul@codesourcery.com>
7623 * Makefile.in (lang_checks): Keep going if mkdir fails.
7625 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7627 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7628 be able to clean out basic block when not necessary.
7629 (df_scan_free): Fixed to properly delete information if df is
7630 unused before calling df_finish.
7631 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7632 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7634 (df_bb_refs_delete): New function.
7635 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7636 * df-core.c (df_set_blocks): Added code to properly clean out
7637 unused blocks if they are not part of the blocks to consider.
7638 Added additional null check.
7639 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7640 be able to clean out basic block when not necessary
7641 * df.h (df_free_bb_function): Ditto.
7642 (df_bb_refs_delete): New function.
7643 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7644 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7645 basic block parameter to be able to clean out basic block when not
7647 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7648 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7649 Fixed to properly delete information if df is unused before
7652 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7654 PR rtl-optimization/25799
7655 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7656 Corrected confluence operator to remove bits from op2 before oring
7657 with op1 rather than removing bits from op1.
7658 (df_ru_transfer_function): Corrected test on wrong bitmap which
7659 caused infinite loop. Both of these problems were introduced in
7660 the dataflow rewrite.
7662 2006-01-19 DJ Delorie <dj@redhat.com>
7664 * reload1.c (find_reload_regs): Note the details of reload
7665 failures in the dump file.
7666 (spill_failure): Likewise.
7668 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7670 * loop-iv.c: Include df.h and hashtab.h.
7671 (enum iv_grd_result): New enum.
7672 (DF_REF_IV, DF_REF_IV_SET): New macros.
7673 (struct biv_entry): New.
7674 (df, bivs): New global variables.
7675 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7676 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7678 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7679 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7680 analyzed_for_bivness_p, record_biv): New functions.
7681 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7682 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7683 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7685 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7687 (iv_number_of_iterations): Use new interface to iv analysis.
7688 * loop-unroll.c: Do not include varray.h.
7689 (analyze_iv_to_split_insn): Use new interface to iv
7691 * loop-unswitch.c (may_unswitch_on): Ditto.
7692 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7694 (df_bb_modify): Realloc tables to the new index.
7695 (df_find_use): New function.
7696 * df.h (df_find_use): Declare.
7697 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7699 * cfgloop.h (struct rtx_iv): Remove analysed field.
7700 (iv_get_reaching_def): Removed.
7701 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7702 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7703 (loop-iv.o): Add df.h and hashtab.h dependency.
7704 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7706 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7709 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7711 (__floatundisf, __floatundidf): Likewise.
7712 * libgcc2.h (IS_IBM_EXTENDED): Define.
7714 2006-01-19 DJ Delorie <dj@redhat.com>
7716 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7718 2006-01-19 Paul Brook <paul@codesourcery.com>
7720 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7721 as nothrow when unwinding tables are disabled.
7723 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7726 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7727 of bit-field" when in system header.
7729 2006-01-19 DJ Delorie <dj@redhat.com>
7731 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7732 the 16 bit shift limit of the m16c.
7734 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7737 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7738 * config/i386/i386.c (output_set_got): Output the label if we have one
7739 for the TARGET_DEEP_BRANCH_PREDICTION case.
7741 2006-01-19 Jan Hubicka <jh@suse.cz>
7742 H.J. Lu <hongjiu.lu@intel.com>
7743 Evandro Menezes <evandro.menezes@amd.com>
7745 * invoke.texi (generic): Document
7747 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7748 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7749 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7750 (x86_use_incdec, x86_pad_returns): New variables
7751 (TARGET_CPU_DEFAULT_generic): New constant
7752 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7753 (enum processor_type): Add generic32 and generic64.
7754 * i386.md (cpu attribute): Add generic32/generic64
7755 (movhi splitter): Behave sanely when both partial_reg_dependency and
7756 partial_reg_stall are set.
7757 (K8 splitters): Enable for generic as well.
7758 * predicates.md (incdec_operand): Use TARGET_INCDEC
7759 (aligned_operand): Avoid memory mismatch stalls.
7760 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7761 * ppro.md: Enable for generic32
7762 * i386.c (generic64_cost, generic32_cost): New.
7763 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7764 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7765 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7766 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7767 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7768 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7769 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7770 x86_accumulate_outgoing_args, x86_prologue_using_move,
7771 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7772 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7774 (x86_use_incdec, x86_pad_returns): New.
7775 (override_options): Add generic32 and generic64, translate "generic"
7776 to generic32/generic64 and "i686" to "generic32", refuse
7777 "generic32"/"generic64" as arch target.
7778 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7779 (ix86_reorg): Honor PAD_RETURNS.
7781 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7783 * tree-pretty-print.c (dump_generic_node): Handle
7784 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7785 * cgraph.c (cgraph_expand_queue): Rename from
7786 cgraph_analyze_queue. Update all users.
7787 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7788 cgraph_expand_queue.
7789 (cgraph_expand_all_functions): Likewise.
7790 (cgraph_finalize_pending_functions): Remove. Update callers.
7792 * tree.h (OMP_DIRECTIVE_P): Define.
7793 (OMP_PARALLEL_FN): Define.
7794 (OMP_PARALLEL_DATA_ARG): Define.
7795 (OMP_SECTIONS_SECTIONS): Define.
7796 * tree-pass.h (pass_expand_omp): Declare.
7797 * omp-low.c (struct omp_region): Declare.
7798 (struct omp_context): Remove fields 'parallel_type',
7799 'parallel_start_ix' and 'parallel_start_additional_args'.
7801 (struct omp_for_data): Rename from struct expand_omp_for_data.
7802 (omp_regions): New static variable.
7803 (root_omp_region): New static variable.
7804 (find_omp_clause): Make static.
7805 (is_in_combined_parallel_ctx): Remove.
7806 (is_combined_parallel): New.
7807 (extract_omp_for_data): Move earlier in the file.
7808 (workshare_safe_to_combine_p): New.
7809 (get_ws_args_for): New.
7810 (determine_parallel_type): Move earlier in the file.
7811 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7813 (omp_copy_decl): Likewise.
7814 (create_omp_child_function): Likewise.
7815 (lookup_omp_region): New.
7816 (dump_omp_region): New.
7817 (debug_omp_region): New.
7818 (debug_all_omp_regions): New.
7819 (new_omp_region): New.
7820 (scan_omp_parallel): If parallel_nesting_level > 1, the
7821 directive is nested within another parallel directive.
7822 Set OMP_PARALLEL_FN.
7823 (scan_omp_for): Do not try to handle combined parallel+for
7825 Remove FIXME comment.
7826 (scan_omp_nested): Remove.
7827 (scan_omp_1): Do not call scan_omp_nested when
7828 parallel_nesting_level is > 1.
7829 Do not change the DECL_CONTEXT of local variables found.
7830 (lookup_decl_in_outer_ctx): New.
7831 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7832 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7833 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7834 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7835 If CTX is nested, lookup VAR in the outer context when
7836 building copy assignment.
7837 (lower_send_clauses): Rename from expand_send_clauses.
7838 If CTX is nested, lookup VAR in the outer context when
7839 building copy assignments.
7840 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7841 If CTX is nested, lookup VAR in the outer context when
7842 building copy assignments.
7843 (expand_parallel_call): Rename from build_parallel_call.
7844 Handle combined parallel+workshare cases.
7845 Re-implement to emit code into the CFG.
7847 (expand_omp_parallel): Re-implement to emit code into the CFG.
7848 Call move_sese_region_to_fn to outline the sub-graph
7849 containing the parallel region.
7850 (expand_omp_for_1): Remove.
7851 (expand_omp_for_generic): Re-implement to emit code into the
7853 (expand_omp_for_static_nochunk): Likewise.
7854 (expand_omp_for_static_chunk): Likewise.
7855 (expand_omp_for): Likewise.
7856 (expand_omp_sections): Likewise.
7857 (remove_exit_barriers): New.
7858 (expand_omp_synch): New.
7860 (build_omp_regions_1): New.
7861 (build_omp_regions): New.
7862 (execute_expand_omp): New.
7863 (gate_expand_omp): New.
7864 (pass_expand_omp): Define.
7865 (lower_omp_sections): Rename from expand_omp_sections.
7866 Set OMP_SECTIONS_SECTIONS.
7867 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7868 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7869 (lower_omp_single): Rename from expand_omp_simple.
7870 (lower_omp_master): Rename from expand_omp_master.
7871 (lower_omp_ordered): Rename from expand_omp_ordered.
7872 (lower_omp_critical): Rename from expand_omp_critical.
7873 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7874 (lower_omp_for): Re-implement.
7875 (lower_omp_parallel): Re-implement.
7876 (lower_regimplify): Rename from expand_regimplify.
7877 (lower_omp_1): Rename from expand_omp_1.
7878 If there are syntax errors in the program, replace every
7879 OpenMP directive with NOP.
7880 Call lower_omp_* instead of expand_omp_*.
7881 (lower_omp): Rename from expand_omp.
7883 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7884 * tree-gimple.h (enum omp_parallel_type): Remove.
7885 (gimple_boolify): Declare extern.
7886 (find_omp_clause, determine_parallel_type): Remove.
7888 * gimple-low.c (lower_omp_directive): New.
7889 (lower_stmt): Call it.
7890 (record_vars_into): Move from ...
7891 (record_vars): ... here.
7892 Call record_vars_into with current_function_decl.
7894 * gimplify.c (struct gimplify_ctx): Remove fields
7895 combined_pre_p and combined_ctxp. Update users.
7896 (get_formal_tmp_var): Add documentation.
7897 (gimple_boolify): Make extern.
7898 (gimplify_expr_in_ctx): Remove. Update callers.
7899 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7900 will always be a BIND_EXPR.
7901 (gimplify_expr): Handle OMP_RETURN_EXPR.
7902 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7903 (OMP_PARALLEL): Add 3 operands.
7904 (OMP_SECTIONS): Add 1 operand.
7905 (OMP_RETURN_EXPR): Define.
7907 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7908 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7909 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7910 creating a circular free list.
7911 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7913 * tree-flow.h (move_sese_region_to_fn): Declare.
7914 (record_vars_into): Declare.
7915 * tree-cfg.c (make_omp_sections_edges): New.
7916 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7917 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7918 OMP_SECTIONS and OMP_SECTION.
7919 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7920 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7921 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7922 (gather_blocks_in_sese_region): New.
7923 (struct move_stmt_d): Declare.
7925 (move_block_to_fn): New.
7926 (move_sese_region_to_fn): New.
7928 * passes.c (init_optimization_passes): Schedule
7929 pass_expand_omp after pass_init_datastructures.
7931 * tree-ssa-operands.c (get_expr_operands): Handle
7932 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7933 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7935 2006-01-19 Jeff Law <law@redhat.com>
7937 * tree-vrp.c (extract_range_from_assert): Refine the result range
7938 if the variable referenced by the ASSERT_EXPR has a range and
7939 either the tentative result range or the previous range is a
7942 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7944 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7946 2006-01-19 Jan Hubicka <jh@suse.cz>
7948 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7950 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7952 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7953 (expand_compound_operation, expand_field_assignment): Fail if the
7954 bit lengths of an extract operation are out of range.
7955 (make_extraction): Compute wanted_inner_mode based on the position
7956 and length of the extraction. Make it extraction_mode for non-constant
7957 positions, and do not modify offset in that case. When generating a
7958 new MEM, use a mode that can hold the extraction while keeping correct
7959 alignment. Remove code that supported MEMs wrapped by USEs.
7960 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7962 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7964 * config/s390/s390.md ("Y", "y"): New mode attribute.
7965 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7966 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7967 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7968 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7969 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7970 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7971 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7972 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7973 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7974 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7975 "addsi3", "subsi3"): Insn patterns removed.
7976 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7977 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7978 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7979 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7980 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7981 "*sub<mode>3_cconly2"): New insn patterns.
7982 ("addsi3", "subsi3"): New expanders.
7984 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7986 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7987 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7988 existing STMT_VINFO_VECTYPE if available.
7989 (vect_mark_relevant): Add special handling for stmts that are
7990 marked as STMT_VINFO_IN_PATTERN_P.
7991 (vect_analyze_loop): Call vect_pattern_recog.
7992 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7993 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7995 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7996 (vect_recog_func_ptr): New function-pointer type.
7997 * tree-vect-patterns.c: New file.
7998 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7999 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8000 (vect_pattern_recog_1): New functions.
8001 (vect_pattern_recog_funcs): New array of function pointers.
8003 * tree-vectorizer.h (ternary_op): New enum value.
8004 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8005 declaration. Revised documentation. Removed redundant dump prints.
8006 Removed redundant argument. Added support for reduction patterns.
8007 (vectorizable_reduction): Added support for reduction patterns.
8008 (vect_transform_stmt): Added support for patterns.
8010 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8011 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8012 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8013 (expand_widen_pattern_expr): New function.
8014 (init_optabs): Initialize new optabs udot_prod_optab,
8016 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8017 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8018 (expand_widen_pattern_expr): New function declaration.
8019 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8021 * tree-inline.c (estimate_num_insns_1): Added cases for new
8022 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8023 * tree-pretty-print.c (dump_generic_node): Likewise.
8024 (op_prio): Likewise.
8025 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8026 * tree-ssa-operands.c (get_expr_operands): Added case for
8028 * tree-vect-patterns.c (widened_name_p): New function.
8029 (vect_recog_dot_prod_pattern): Added function implementation.
8030 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8031 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8032 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8033 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8035 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8036 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8037 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8038 (init_optabs): Initialize new optabs widen_ssum_optab,
8040 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8041 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8042 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8043 use instead of type of def.
8044 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8045 function implementation.
8046 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8047 widen_ssumv8hi): New.
8049 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8052 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8055 * c-decl.c (add_flexible_array_elts_to_size): New function.
8056 (finish_decl): Use it.
8058 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8060 * diagnostic.h: Include options.h.
8061 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8062 dependancies for diagnostic.h.
8063 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8065 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8067 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8068 (ssa_ro_call_cache_valid): Ditto.
8069 * tree-ssa-alias.c (sort_tags_by_id): New function.
8070 (init_transitive_clobber_worklist): Ditto.
8071 (add_to_worklist): Ditto.
8072 (mark_aliases_call_clobbered): Ditto.
8073 (compute_tag_properties): Ditto.
8074 (set_initial_properties): Ditto.
8075 (compute_call_clobbered): Ditto.
8076 (compute_may_aliases): Call compute_call_clobbered and grouping.
8077 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8078 (compute_flow_insensitive_aliasing): Grouping now happens in our
8080 (setup_pointers_and_addressables): Remove clobbering related code.
8081 (add_may_alias): Ditto.
8082 (replace_may_alias): Ditto.
8083 (get_nmt_for): Ditto.
8084 (create_global_var):
8085 (is_escape_site): Return an escape_type enumeration.
8086 * tree-flow-inline.h (is_call_clobbered): Global var does not
8087 imply call clobbered.
8088 (mark_call_clobbered): Take a reason for marking this. Remove
8089 marking of globalness, and cache invalidation.
8090 (clear_call_clobbered): Remove cache invalidation code.
8091 * tree-dfa.c (dump_variable): If details is on, dump the reason
8093 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8095 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8096 (struct var_ann_d): Ditto.
8097 (enum escape_type): New.
8098 (mark_call_clobbered): Adjust prototype.
8099 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8100 are never call clobbered.
8101 Record reasons for escaping.
8102 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8103 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8104 (ssa_ro_call_cache_valid): Ditto.
8105 (clobbered_v_may_defs): Ditto.
8106 (clobbered_vuses): Ditto.
8107 (ro_call_vuses): Ditto.
8108 (clobber_stats): New.
8109 (init_ssa_operands): Zero out clobber stats.
8110 (fini_ssa_operands): Print out clobber stats.
8111 (get_call_expr_operands): Pass callee fndecl to
8113 (add_call_clobber_ops): Remove use of cache.
8114 Add use of PURE_CONST information.
8115 (add_call_read_ops): Remove use of cache.
8116 Add use of static not_read information.
8118 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8120 Introduce TLS descriptors for i386 and x86_64.
8121 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8122 (TARGET_ANY_GNU_TLS): New macro.
8123 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8124 (struct machine_function): Add tls_descriptor_call_expanded_p.
8125 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8126 (ix86_current_function_calls_tls_descriptor): Likewise.
8127 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8128 (override_options): Introduce gnu2 tls dialect.
8129 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8131 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8133 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8134 (ix86_init_machine_status): Initialize new field.
8135 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8136 (ix86_tls_module_base): New.
8137 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8138 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8139 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8140 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8141 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8142 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8143 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8144 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8145 * config/i386/predicates.md (tls_modbase_operand): New.
8146 (tp_or_register_operand): New.
8148 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8150 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8151 (look_for_address_of): Ditto.
8152 (ipa_init): Walk the function decls.
8153 (static_execute): Don't set readonly on FUNCTION_DECL's.
8155 2006-01-18 Roger Sayle <roger@eyesopen.com>
8157 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8158 for shifts where the source and destination registers are different.
8160 2006-01-18 Paul Brook <paul@codesourcery.com>
8162 Merge from csl-arm-branch.
8163 2005-03-14 Julian Brown <julian@codesourcery.com>
8164 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8165 (aeabi_llsl): Likewise.
8166 (ashrdi3): Likewise.
8167 (aeabi_lasr): Likewise.
8168 (lshrdi3): Likewise.
8169 (aeabi_llsr): Likewise.
8170 2005-03-10 Julian Brown <julian@codesourcery.com>
8171 * config.gcc: Disable shared libgcc for SymbianOS.
8172 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8174 2006-01-18 DJ Delorie <dj@redhat.com>
8176 * c-pragma.c (handle_pragma_diagnostic): New.
8177 (init_pragma): Register it.
8178 * doc/extend.texi: Document it.
8180 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8181 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8182 (diagnostic_context): Add classify_diagnostic[].
8183 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8184 as errors if they're overridden to DK_WARNING.
8185 (diagnostic_initialize): Initialize classify_diagnostic[].
8186 (diagnostic_set_kind_override): New.
8187 (diagnostic_report_diagnostic): Check for kind changes.
8188 * opts.c (common_handle_option): Take lang_mask. Update callers.
8190 * common.opt (Werror=): New.
8191 * doc/invoke.texi: Document -Werror=*
8193 2006-01-18 Jeff Law <law@redhat.com>
8195 * tree-vrp.c (test_for_singularity): Correct test for new
8196 min limit. Use operand_equal_p rather than pointer equality
8197 for testing if new min/max values are equal.
8199 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8200 using range information until after propagation and folding.
8202 2006-01-18 Richard Henderson <rth@redhat.com>
8203 Aldy Hernandez <aldyh@redhat.com>
8204 Jakub Jelinek <jakub@redhat.com>
8205 Diego Novillo <dnovillo@redhat.com>
8207 * omp-low.c: New file.
8208 * c-omp.c: New file.
8210 2006-01-18 Richard Henderson <rth@redhat.com>
8211 Jakub Jelinek <jakub@redhat.com>
8212 Diego Novillo <dnovillo@redhat.com>
8214 * doc/invoke.texi: Document -fopenmp.
8215 * tree-dump.h (debug_function): Declare.
8216 * hooks.c (hook_bool_tree_bool_false): New function.
8217 (hook_tree_tree_null): Remove.
8218 (hook_tree_tree_tree_null): New.
8219 * hooks.h: Update to match.
8220 * tree-pretty-print.c (debug_tree_chain): New.
8221 (print_generic_expr): Handle TDF_CHAIN.
8222 (dump_generic_node): Handle BLOCK.
8223 Do not abort with incomplete SWITCH_EXPRs.
8224 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8225 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8226 print space after directive name.
8227 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8228 Handle OMP_MASTER and OMP_ORDERED.
8229 Handle printing of OMP_BODY just in one place, goto
8230 dump_omp_body in the rest of OMP_* nodes that have
8232 Don't handle clause nodes here. Update omp statements to
8233 use dump_omp_clauses.
8234 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8235 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8236 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8237 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8238 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8239 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8240 Adjust output for GOMP_PARALLEL.
8241 (dump_omp_clauses): New.
8242 (print_declaration): Dump DECL_VALUE_EXPR.
8243 (op_symbol_1): Split out of op_symbol.
8244 (dumping_stmts): Remove. Update all users.
8245 * cgraph.c (cgraph_analyze_queue): New.
8246 (cgraph_add_new_function): New.
8247 * cgraph.h (cgraph_analyze_queue): Declare.
8248 (cgraph_add_new_function): Declare.
8249 (cgraph_lower_function): Remove.
8250 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8251 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8252 and TYPE_P nodes in its default clause.
8253 (empty_body_p): New.
8254 (tree_range_check_failed): New.
8256 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8257 OMP_CLAUSE_REDUCTION_MERGE,
8258 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8259 OMP_CLAUSE_PRIVATE_DEBUG,
8260 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8261 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8262 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8263 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8264 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8265 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8266 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8267 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8268 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8269 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8270 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8271 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8272 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8273 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8274 (TREE_RANGE_CHECK): New.
8275 (empty_body_p): Declare.
8276 (enum omp_clause_default_kind): New.
8277 (build_string_literal): Declare.
8278 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8279 (build5_stat, build5): Declare.
8280 * tree-pass.h (TDF_CHAIN): Define.
8281 * tree-pass.h (PROP_gimple_lomp): Define.
8282 (pass_lower_omp): Declare.
8283 * diagnostic.h (debug_tree_chain): Declare.
8284 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8286 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8287 * builtins.c (build_string_literal): Make extern.
8288 * gcc.c (include_spec_function): New.
8289 (static_spec_functions): Add it.
8290 (main): Move load of libgomp.spec ...
8291 (LINK_COMMAND_SPEC): ... here.
8292 (link_gomp_spec): New.
8293 (static_specs): Include it.
8294 (LINK_COMMAND_SPEC): Add link_gomp.
8295 (GOMP_SELF_SPECS): New.
8296 (driver_self_specs): Include it.
8297 (switch_matches): Don't mark inline.
8298 (main): Load libgomp.spec.
8299 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8300 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8301 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8302 * tree-gimple.h (enum omp_parallel): Declare.
8303 (determine_parallel_type): Declare.
8304 (omp_firstprivatize_variable): Declare.
8305 (omp_reduction_init): Declare.
8306 (diagnose_omp_structured_block_errors): Declare.
8307 (struct walk_stmt_info): Add want_return_expr.
8308 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8309 (find_omp_clause): Declare.
8310 (insert_field_into_struct): Declare.
8311 (struct walk_stmt_info): Move from tree-nested.c
8312 (walk_stmts): Declare.
8313 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8315 * cgraphunit.c (cgraph_lower_function): Make static.
8316 (cgraph_finalize_pending_functions): New.
8317 (cgraph_finalize_function): Call it.
8318 (cgraph_finalize_compilation_unit): Likewise.
8319 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8320 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8321 (BT_FN_UINT_UINT): New.
8322 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8323 DEF_FUNCTION_TYPE_VAR_4): Document.
8324 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8325 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8326 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8327 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8328 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8329 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8330 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8331 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8332 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8333 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8334 into separate files.
8335 (DEF_GOMP_BUILTIN): New.
8336 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8337 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8338 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8339 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8340 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8341 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8342 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8343 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8344 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8345 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8346 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8347 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8348 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8349 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8350 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8351 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8352 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8353 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8354 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8355 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8356 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8357 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8358 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8359 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8360 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8361 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8362 * sync-builtins.def: New file, moved from builtins.def.
8363 * omp-builtins.def: New file, moved from builtins.def.
8364 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8365 * gimple-low.c (lower_function_body): Clear data.
8366 (lower_stmt): Do not handle COMPOUND_EXPR.
8367 Remove call to print_node_brief.
8368 * c-tree.h (c_finish_omp_clauses): New prototype.
8369 (C_DECL_THREADPRIVATE_P): Define.
8370 (lookup_name_no_remap, c_omp_remap_private): Remove
8371 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8372 (check_for_loop_decls): Update decl.
8373 (lookup_name_no_remap, c_omp_remap_private): Declare.
8374 (build_indirect_ref, build_modify_expr, pushdecl,
8375 pushdecl_top_level): Move to c-common.h.
8376 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8377 before the switch, but just in the 2 places that need it.
8378 * c-decl.c (diagnose_mismatched_decls): Do not check for
8379 mismatched thread-local attributes when OLDDECL is marked
8380 threadprivate and NEWDECL has no thread-local attributes.
8381 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8382 (c_gimple_diagnostics_recursively): Rename from
8383 c_warn_unused_result_recursively. Invoke
8384 diagnose_omp_structured_block_errors.
8385 (check_for_loop_decls): Return a singular decl found.
8386 * langhooks.c (lhd_omp_predetermined_sharing): Return
8387 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8388 (lhd_omp_firstprivatize_type_sizes): New.
8389 (lhd_omp_assignment): New.
8390 (lhd_omp_predetermined_sharing): New.
8391 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8392 (struct lang_hooks_for_types): Add
8393 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8394 omp_predetermined_sharing, omp_disregard_value_expr,
8395 omp_private_debug_clause, omp_clause_default_ctor,
8396 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8397 (c_finish_omp_clauses): New.
8398 (c_finish_bc_stmt): Diagnose break within omp for.
8399 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8400 (build_unary_op): Return error_mark after reporting
8402 (build_modify_expr): Likewise.
8403 * gimplify.c: Include optabs.h and pointer-set.h.
8404 (enum gimplify_omp_var_data): Declare.
8405 (struct gimplify_omp_ctx): Declare.
8406 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8408 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8409 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8410 (splay_tree_compare_decl_uid): New.
8411 (new_omp_context): New.
8412 (delete_omp_context): New.
8413 (gimple_add_tmp_var): Call omp_add_variable.
8414 (gimplify_bind_expr): Likewise.
8415 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8416 true, disregard DECL_VALUE_EXPR on the decl if any.
8417 (gimplify_expr_in_ctx): New.
8418 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8419 omp_add_variable, omp_notice_variable, omp_is_private
8420 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8421 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8422 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8423 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8424 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8425 gimplify_omp_atomic): New.
8426 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8427 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8428 OMP_CRITICAL and OMP_ATOMIC.
8429 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8430 * c-pragma.h (enum pragma_kind): Add
8431 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8432 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8433 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8434 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8435 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8436 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8437 PRAGMA_OMP_THREADPRIVATE.
8438 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8439 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8440 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8441 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8442 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8443 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8444 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8445 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8446 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8447 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8448 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8449 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8450 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8452 (struct nesting_info): Add field_map,
8453 suppress_expansion, debug_var_chain.
8454 (create_nesting_tree): Initialize them.
8455 (lookup_field_for_decl): Use field_map.
8456 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8457 (convert_local_omp_clauses): New.
8458 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8459 (walk_body): Split out of walk_function.
8460 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8461 (convert_nonlocal_reference): Handle omp statements.
8462 (convert_local_reference): Likewise.
8463 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8464 (unnest_nesting_tree): New.
8465 (lower_nested_functions): Call it.
8466 (insert_field_into_struct): Make extern.
8467 (struct walk_stmt_info): Move to tree-gimple.h.
8468 (walk_stmts): Make extern.
8469 * omp-builtins.def: New file.
8470 * tree-iterator.c (expr_only): Clarify comment.
8471 * c-common.h (pushdecl_top_level, pushdecl,
8472 build_modify_expr, build_indirect_ref,
8473 c_finish_omp_master, c_finish_omp_critical,
8474 c_finish_omp_ordered, c_finish_omp_barrier,
8475 c_finish_omp_atomic, c_finish_omp_flush,
8476 c_finish_omp_for, c_split_parallel_clauses,
8477 omp_clause_default_kind, c_omp_sharing_predetermined,
8478 c_omp_remap_decl): Declare.
8479 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8480 (OBJS-common): Add omp-low.o.
8481 (c-omp.o, omp-low.o): Add.
8482 (gimplify.o): Add dependency on $(OPTABS_H).
8483 (GTFILES): Add omp-low.c.
8484 (gt-stringpool.h): Add.
8485 * tree-cfg.c (set_bb_for_stmt): Do not update the
8486 block-to-labels map if we are currently expanding to RTL.
8487 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8489 Handle IDENTIFIER_NODE.
8490 (tree_verify_flow_info): Do not ICE when emitting error
8491 messages about invalid labels.
8492 (dump_function_to_file): Reset CFUN before emitting the body
8494 (debug_function): New.
8495 * passes.c (init_optimization_passes): Schedule
8497 * langhooks-def.h (lhd_omp_predetermined_sharing,
8498 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8500 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8501 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8502 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8503 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8504 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8505 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8506 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8507 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8508 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8509 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8510 (LANG_HOOK_DECLS): Use them.
8512 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8513 Richard Henderson <rth@redhat.com>
8514 Jakub Jelinek <jakub@redhat.com>
8515 Diego Novillo <dnovillo@redhat.com>
8517 * c-parser.c (pragma_omp_clause): Define.
8518 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8519 (c_parser_compound_statement): Likewise.
8520 (c_parser_statement): Likewise.
8521 (c_parser_pragma): Handle omp pragmas.
8522 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8523 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8524 (c_parser_omp_clause_name, check_no_duplicate_clause,
8525 c_parser_omp_variable_list,
8526 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8527 c_parser_omp_clause_copyprivate,
8528 c_parser_omp_clause_default,
8529 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8530 c_parser_omp_clause_lastprivate,
8531 c_parser_omp_clause_nowait,
8532 c_parser_omp_clause_num_threads,
8533 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8534 c_parser_omp_clause_reduction,
8535 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8536 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8537 c_parser_omp_atomic, c_parser_omp_barrier,
8538 c_parser_omp_critical, c_parser_omp_flush,
8539 c_parser_omp_for_loop, c_parser_omp_for,
8540 c_parser_omp_master, c_parser_omp_ordered,
8541 c_parser_omp_sections_scope, c_parser_omp_sections,
8542 c_parser_omp_parallel, c_parser_omp_single,
8543 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8544 * c-pragma.c (init_pragma): Do omp pragma registration here.
8545 * c.opt (fopenmp): New flag.
8547 2006-01-18 Eric Christopher <echristo@apple.com>
8549 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8550 * config/darwin.h (GOMP_SELF_SPECS): Define.
8552 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8554 * rtl.h: Remove the prototype for reg_alloc.
8556 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8559 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8560 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8561 sjlj and dwarf2 exception handling.
8562 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8563 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8564 * pa/pa.c (function_value): Treat complex and vector types as
8566 (function_arg): Likewise. Only pass scalar floats in the floating
8567 point argument registers.
8568 * pa/t-slibgcc-dwarf-ver: New file.
8569 * pa/t-slibgcc-sjlj-ver: New file.
8570 * pa/t-slibgcc-elf-ver: Delete file.
8572 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8574 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8575 unlikely_test_section_p test.
8577 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8579 * mode-switching.c (optimize_mode_switching): Make it static.
8580 * basic-block.h: Remove the prototype for
8581 optimize_mode_switching.
8583 * modulo-sched.c (sms_schedule): Make it static.
8584 * rtl.h: Remove the prototype for sms_schedule.
8586 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8587 * rtl.h: Remove the prototype for gcse_after_reload_main.
8589 * reg-stack.c (reg_to_stack): Make it static.
8590 * rtl.h: Remove the prototype for reg_to_stack.
8592 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8594 * rtl.h: Remove the prototypes for regrename_optimize and
8595 copyprop_hardreg_forward.
8597 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8599 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8600 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8601 Test against the appropriate null constant for the mode.
8602 If 'fixup_overlap' is true, swap the operands if they overlap.
8603 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8604 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8605 alpha_split_tmode_pair and adjust for above change.
8606 * config/alpha/alpha.md (movtf_internal): Adjust call to
8607 alpha_split_tfmode_pair and rely on it to swap the operands.
8608 (movti_internal): New insn and post-reload splitter.
8609 (movti): New expander.
8611 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8613 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8616 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8618 * rtlanal.c (global_reg_mentioned_p_1,
8619 global_reg_mentioned_p): Remove.
8620 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8622 * flow.c (initialize_uninitialized_subregs): Make it static.
8623 * rtl.h: Remove the prototype for
8624 initialize_uninitialized_subregs.
8626 * function.c (instantiate_virtual_regs): Make it static.
8627 * function.h: Remove the prototype for
8628 instantiate_virtual_regs.
8630 * regmove.c (regmove_optimize, combine_stack_adjustments):
8632 * rtl.h: Remove the prototypes for regmove_optimize and
8633 combine_stack_adjustments.
8635 2006-01-17 Roger Sayle <roger@eyesopen.com>
8637 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8638 (size_cost): Encode costs in bytes so that a reg-reg addition is
8639 equivalent to COSTS_N_INSNS(1).
8640 (override_options): Use the size_cost.branch_cost as the default
8641 ix86_branch_cost when optimizing for size.
8643 2006-01-18 Ben Elliston <bje@au.ibm.com>
8645 * Makefile.in (D32PBIT_FUNCS): New.
8646 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8647 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8648 D64PBIT_FUNCS and D128PBIT_FUNCS.
8649 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8650 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8652 (decnumber_dep): Define.
8653 * doc/libgcc.texi (Decimal float library routines): New node.
8654 * config/dfp-bit.h, config/dfp-bit.c: New files.
8656 2006-01-18 Ben Elliston <bje@au.ibm.com>
8658 * expr.c (emit_move_change_mode): Always adjust addresses, not
8659 just during reload. Copy replacements only during reload.
8660 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8661 emit_move_via_integer.
8663 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8665 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8666 instead of $(srcdir) and ${srcdir}.
8668 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8672 * arm.h (struct machine_function): Add pic_reg.
8673 * arm.c (arm_pic_register): Make unsigned.
8674 (arm_override_options): Only set arm_pic_register if
8675 TARGET_SINGLE_PIC_BASE.
8676 (use_return_insn): Only test for a pic register if it is fixed.
8677 (arm_compute_save_reg0_reg12_mask): Likewise.
8678 (thumb_compute_save_reg_mask): Likewise.
8679 (legitimate_pic_operand): Factor out some known invariants.
8680 (legitimize_pic_address): If we don't have a fixed pic register,
8681 then set up a pseudo in the function entry sequence. Handle the
8682 pic base being in a pseudo.
8683 (arm_load_pic_register): Handle the pic register being in a pseudo.
8684 (arm_expand_prologue): Only set up the pic register if it is fixed.
8685 (thumb_expand_prologue): Likewise.
8686 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8687 (pic_load_addr_based_insn): Likewise.
8688 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8691 2006-01-18 Ben Elliston <bje@au.ibm.com>
8693 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8694 decimal float modes for all floating point registers.
8696 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8697 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8699 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8702 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8703 even when the pointer is not NULL.
8705 2006-01-16 Ian Lance Taylor <ian@airs.com>
8707 * common.opt (ftoplevel-reorder): New option.
8708 * cgraph.c (cgraph_asm_nodes): New global variable.
8709 (cgraph_asm_last_node): New static variable.
8710 (cgraph_order): New global variable.
8711 (cgraph_create_node): Set new order field.
8712 (cgraph_varpool_node): Likewise.
8713 (decide_is_variable_needed): Return true if not
8714 flag_toplevel_reorder.
8715 (cgraph_add_asm_node): New function.
8716 * cgraph.h (struct cgraph_node): Add order field.
8717 (struct cgraph_varpool_node): Add order field.
8718 (struct cgraph_asm_node): Define.
8719 (cgraph_asm_nodes, cgraph_order): Declare.
8720 (cgraph_add_asm_node): Declare.
8721 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8723 (cgraph_varpool_assemble_pending_decls): Call it.
8724 (cgraph_output_pending_asms): New static function.
8725 (cgraph_finalize_compilation_unit): Call it.
8726 (struct cgraph_order_sort): Define.
8727 (cgraph_output_in_order): New static function.
8728 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8729 !flag_toplevel_reorder case.
8730 * c-parser.c: Include "cgraph.h".
8731 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8733 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8734 than -fno-unit-at-a-time.
8735 * doc/invoke.texi (Option Summary): Mention
8736 -fno-toplevel-reorder.
8737 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8738 -funit-at-a-time documentation.
8740 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8741 Kazu Hirata <kazu@codesourcery.com>
8743 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8745 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8747 * Makefile.in (FUNCTION_H): New. Use it instead of
8748 function.h throughout the file.
8749 * function.h: Include tree.h.
8751 2006-01-17 Ben Elliston <bje@au.ibm.com>
8753 * recog.c: Separate some functions with whitespace.
8755 2006-01-16 Richard Henderson <rth@redhat.com>
8757 Merge from gomp branch:
8758 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8759 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8760 and rename from struct inline_data. Rename callee* to dst*;
8761 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8762 transform_new_cfg, transform_return_to_modify, and
8763 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8765 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8766 (copy_decl_for_dup): Remove.
8767 * tree-inline.c (struct inline_data): Move to header.
8768 (insert_decl_map): Export.
8769 (remap_decl): Update for member name changes. Use copy_decl hook.
8770 Allow for replacement to be a non-decl. Remove dead code.
8771 (remap_type_1): Check for existing mapping.
8772 (remap_type): Export.
8773 (remap_decls): Update for member name changes.
8774 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8775 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8776 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8777 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8778 (tree_function_versioning, build_duplicate_type): Likewise.
8779 (copy_body_r): Likewise. Export.
8780 (copy_decl_for_dup): Split into ...
8781 (copy_decl_for_dup_finish, copy_decl_to_var,
8782 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8783 (replace_ref_tree, inlining_p): Remove.
8785 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8787 * ifcvt.c (if_convert): Make it static.
8788 * rtl.h: Remove the prototype for if_convert.
8790 * local-alloc.c (local_alloc): Make it static.
8791 * rtl.h: Remove the prototype for local_alloc.
8793 * loop.c (loop_optimize): Make it static.
8794 * cfgloop.h: Remove the prototype for loop_optimize.
8797 2006-01-16 DJ Delorie <dj@redhat.com>
8799 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8802 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8804 * pa.md: Disparage copies between general and floating-point registers
8805 in 32-bit move patterns.
8807 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8810 * Makefile.in (check-%): Depend on site.exp instead of
8811 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8814 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8816 * global.c (global_alloc): Make it static.
8817 * rtl.h: Remove the prototype for global_alloc.
8819 2006-01-16 Richard Guenther <rguenther@suse.de>
8821 * tree-ssa-alias.c (struct used_part): Add write_only field.
8822 (get_or_create_used_part_for): Initialize it to true.
8823 (create_overlap_variables_for): Don't create structure variables
8824 for structures that only are written to.
8825 (find_used_portions): Handle MODIFY_EXPR to track whether a
8826 structure is only written to.
8828 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8830 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8832 * basic-block.h: Remove the prototype for
8833 partition_hot_cold_basic_blocks.
8835 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8837 * cppspec.c (lang_specific_spec_functions): Remove.
8838 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8839 * gcc.h (lang_specific_spec_functions): Remove.
8840 * gccspec.c (lang_specific_spec_functions): Remove.
8842 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8844 * combine.c (record_value_for_reg): Invalidate registers
8846 (record_dead_and_set_regs_1): Likewise, by passing them to
8847 record_value_for_reg.
8848 (record_dead_and_set_regs): Invalidate stores made by a
8849 call. We do not combine across a call, but we still
8850 relied on equivalences.
8852 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8854 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8855 vrp_int_const_binop returning non-constant nodes.
8857 2006-01-16 Paul Brook <paul@codesourcery.com>
8859 * config/m68k/m68k.c (output_move_const_into_data_reg):
8860 Output correct mnemonic for mvz and mvs.
8862 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8864 * rtl-factoring.c: Add sequence abstraction algorithm.
8865 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8866 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8868 (block_has_preserve_label): New function.
8869 * common.opt: Register new pass.
8870 * Makefile.in: Ditto.
8872 * timevar.def: Ditto.
8873 * tree-pass.h: Ditto.
8874 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8875 * rtl.h (make_jump_insn_raw): Add forward decl.
8876 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8878 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8879 Roger Sayle <roger@eyesopen.com>
8881 * fold-const.c (fold_minmax): New static function.
8882 (fold_binary) <MIN_EXPR>: Call it.
8883 <MAX_EXPR>: Likewise.
8884 * stor-layout.c (place_field): Use DECL_SIZE consistently
8885 in the computation of the new record size.
8887 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8889 * cse.c (cse_condition_code_reg): Make it static.
8890 * rtl.h: Remove the prototype for cse_condition_code_reg.
8892 * combine.c (combine_instructions): Make it static.
8893 * rtl.h: Remove the prototype for combine_instructions.
8895 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8898 * tree.c (get_file_function_name_long): Concatenate the first global
8899 object name with a string derived from the input filename of the object
8902 2006-01-16 Ben Elliston <bje@au.ibm.com>
8904 * config/i386/winnt-stubs.c: Update FSF address.
8905 * config/xtensa/ieee754-df.S: Ditto.
8906 * config/xtensa/ieee754-sf.S: Ditto.
8908 2006-01-14 Ian Lance Taylor <ian@airs.com>
8910 * ifcvt.c (noce_init_if_info): New static function, broken out of
8911 noce_process_if_block.
8912 (noce_process_if_block): Call noce_init_if_info.
8913 (check_cond_move_block): New static function.
8914 (cond_move_process_if_block): New static function.
8915 (process_if_block): Call cond_move_process_if_block.
8917 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8919 * cselib.c (hash_table): Rename to cselib_hash_table.
8920 (cselib_clear_table, discard_useless_values,
8921 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8922 cselib_init, cselib_finish): Adjust uses of hash_table.
8924 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8926 PR tree-optimization/25485
8927 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8928 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8929 is known to be false and true, respectively.
8931 2006-01-14 Richard Guenther <rguenther@suse.de>
8933 PR tree-optimization/22548
8934 PR tree-optimization/22555
8935 PR tree-optimization/22501
8936 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8937 * params.def (salias-max-array-elements): New parameter.
8938 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8939 * doc/invoke.texi (salias-max-array-elements): Document.
8940 * tree-flow-inline.h (var_can_have_subvars): We also handle
8942 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8944 * tree-ssa-structalias.c (params.h): Include.
8945 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8946 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8947 (get_constraint_for): For ADDR_EXPR operating on something
8948 containing an ARRAY_REF, add all subvars to the solution.
8949 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8950 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8951 for creating MUST_DEFs.
8952 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8954 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8956 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8958 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8959 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8960 number_of_iterations_le): New functions.
8961 (number_of_iterations_special): Removed.
8962 (number_of_iterations_exit): Do not use number_of_iterations_special.
8963 * tree.c (unsigned_type_for): Always return integer type.
8965 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8966 Richard Guenther <rguenther@suse.de>
8968 PR rtl-optimization/24257
8969 * gcse.c (find_moveable_store): Only consider a store movable
8970 when the SET_SRC of the insn can be assigned to a register.
8972 2006-01-14 Ian Lance Taylor <ian@airs.com>
8974 * tree.c (tree_not_class_check_failed): New function.
8975 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8976 (tree_not_class_check_failed): Declare.
8978 2006-01-13 Ian Lance Taylor <ian@airs.com>
8980 * reload1.c (do_output_reload): Add assertion rejecting a
8983 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8985 * combine.c (struct reg_stat): Add new fields truncation_label and
8987 (record_value_for_reg): Reset truncated_to_mode.
8988 (record_truncated_value): New function.
8989 (check_promoted_subreg): Call it. Rename to check_conversions.
8990 (combine_instructions): Rename check_promoted_subreg to
8992 (reg_truncated_to_mode): New function.
8993 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8994 (gen_lowpart_or_truncate): New function.
8995 (force_to_mode): Use it instead of gen_lowpart.
8997 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8999 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9000 VAR is a tag, not its type tag.
9002 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9004 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9005 alternatives to match style of other entries.
9006 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9008 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9010 PR tree-optimization/25771
9011 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9014 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9017 * tree-inline.c (declare_return_variable): If the return variable
9018 was marked as a non gimple complex, set the return slot variable
9019 to be a non gimple comple variable.
9021 2006-01-13 Richard Guenther <rguenther@suse.de>
9023 * builtins.c (expand_builtin_sincos): New function.
9024 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9026 (expand_builtin): Expand sincos using expand_builtin_sincos.
9028 2006-01-12 DJ Delorie <dj@redhat.com>
9030 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9031 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9032 so that constant shifts can be split.
9033 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9034 (m32c_valid_pointer_mode): Make static.
9035 (shift_gen_func_for): New.
9036 (m32c_prepare_shift): Use it. Split large const shifts into
9038 * config/m32c/predicates.md (shiftcount_operand): Allow more
9040 (longshiftcount_operand): New.
9041 * doc/md.texi (Machine Constraints): Document In6.
9043 2006-01-13 Ben Elliston <bje@au.ibm.com>
9045 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9046 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9049 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9051 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9052 to try to avoid clobbering pieces of structures when we know
9053 something about the whole structure.
9054 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9056 2006-01-13 Ben Elliston <bje@au.ibm.com>
9058 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9059 return in memory, as this is no limitation is no longer present.
9061 2006-01-12 DJ Delorie <dj@redhat.com>
9063 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9064 mova with fb, and for fb+0 -> An.
9066 * config/m32c/mov.md (peephole2): Fix enabling logic.
9068 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9069 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9070 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9071 FINI_ARRAY_SECTION_ASM_OP): Define.
9073 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9075 (m32c_legitimize_reload_address): New logic to reload FB to An.
9076 (m32c_output_reg_push): Add newline.
9077 (m32c_output_reg_pop): Likewise.
9079 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9081 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9083 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9085 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9087 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9089 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9092 2006-01-11 Ben Elliston <bje@au.ibm.com>
9094 * rtlanal.c (find_reg_note): Assert insn is not null.
9096 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9098 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9101 2006-01-11 Jeff Law <law@redhat.com>
9103 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9105 (mark_threaded_blocks, register_jump_thread): New functions.
9106 (thread_through_all_blocks): Remove unwanted argument. No
9107 longer rely on e->aux to communicate thread target info.
9108 Call mark_threaded_blocks. Release the threaded_blocks
9109 bitmap and threaded_edges vector when complete.
9110 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9111 (threaded_blocks): Remove.
9112 (tree_ssa_dominator_optimize): Remove initialization and
9113 finalization of threaded_blocks. Simplify call to
9114 thread_through_all_blocks.
9115 (thread_across_edge): Call register_jump_thread rather than
9116 storing thread information into e->aux.
9117 (free_all_edge_infos): Simplify now that e->aux is no longer
9118 used to communicate with thread_through_all_blocks.
9119 * tree-flow.h (thread_through_all_blocks): Update prototype.
9120 (register_jump_thread): Prototype.
9122 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9124 * df-core.c (df_compact_blocks, df_bb_replace): Use
9125 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9127 2006-01-11 Richard Guenther <rguenther@suse.de>
9129 PR tree-optimization/25734
9130 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9131 stop propagation after successful propagation to the LHS.
9133 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9135 * basic-block.h (control_flow_graph): Change the type of
9136 x_basic_block_info to VEC(basic_block,gc) *.
9137 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9139 (SET_BASIC_BLOCK): New.
9140 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9141 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9142 * cfgbuild.c (find_basic_blocks): Likewise.
9143 * cfglayout.c (fixup_reorder_chain): Likewise.
9144 * cfgrtl.c (create_basic_block_structure,
9145 rtl_create_basic_block): Likewise.
9146 * ifcvt.c (find_if_case_1): Likewise.
9147 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9150 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9152 * Makefile.in: Removed rotted odf.c entry.
9154 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9157 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9158 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9159 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9160 output pattern modifier, not %e.
9161 * config/cris/cris.c (cris_op_str): Update comment about pattern
9163 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9164 before falling through into...
9165 <case 'E'>: Redefined from old 'e' case.
9167 2006-01-11 Jan Hubicka <jh@suse.cz>
9170 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9172 2006-01-11 Jan Hubicka <jh@suse.cz>
9174 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9175 * i386.c (x86_decompose_lea): Kill.
9176 (ix86_rtx_costs): Kill.
9178 2006-01-11 Jan Hubicka <jh@suse.cz>
9180 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9181 * cgraph.h (cgraph_node): Add inline_decl.
9182 (cgraph_insert_node_to_hashtable): Declare.
9183 (save_inline_function_body): Declare.
9184 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9186 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9187 (cgraph_function_versioning): Update call of tree_function_versioning.
9188 (save_inline_function_body): New function.
9189 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9190 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9191 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9192 (cgraph_default_inline_p): Likewise.
9193 (cgraph_decide_inlining_incrementally): Likewise.
9194 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9195 (copy_bb): Kill saving; do updating of clones.
9196 (copy_cfg_body): Kill saving.
9197 (initialize_inlined-parameters): Likewise.
9198 (expand_call_inline): Likewise.
9200 (tree_function_versioning): New parameter "update_clones".
9201 (inlining_p): Kill saving.
9202 * tree-inline.h (tree_function_versioning): Update prototype.
9203 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9206 2006-01-11 Ian Lance Taylor <ian@airs.com>
9208 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9209 Allow undoing set of machine mode.
9210 (do_SUBST): Use enums instead of is_int.
9211 (do_SUBST_MODE): New function.
9212 (SUBST_MODE): New macro.
9213 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9214 reg and trying to replace reg_regno_rtx with a new register.
9215 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9216 (simplify_set): Use SUBST_MODE.
9217 (distribute_notes): Remove code that tried to update reg notes
9218 for regno_reg_rtx changes.
9220 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9222 PR tree-optimization/23109
9223 PR tree-optimization/23948
9224 PR tree-optimization/24123
9226 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9227 * tree-cfg.c (single_noncomplex_succ): New.
9228 * tree-flow.h (single_noncomplex_succ): Declare it.
9229 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9230 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9231 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9232 insert_bb, register_division_in, insert_reciprocals,
9233 replace_reciprocal, free_bb): New.
9234 (execute_cse_reciprocals_1): Rewritten.
9235 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9236 Do not commit any edge insertion. Always compute dominators and
9237 create the allocation pool.
9238 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9239 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9240 * targhooks.c (default_min_divistions_for_recip_mul): New.
9241 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9242 * passes.c (init_optimization_passes): Run recip after tree loop
9244 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9246 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9247 Kenneth Zadeck <zadeck@naturalbridge.com>
9249 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9250 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9251 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9252 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9253 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9254 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9255 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9256 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9257 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9258 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9259 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9260 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9261 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9262 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9263 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9264 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9265 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9266 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9267 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9268 DF_SCAN_POST_ALLOC): New macros.
9269 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9270 df_free_bb_function, df_local_compute_function, df_init_function,
9271 df_dataflow_function, df_confluence_function_0,
9272 df_confluence_function_n, df_transfer_function,
9273 df_finalizer_function, df_free_function, df_dump_problem_function,
9274 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9275 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9276 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9277 df_urec_bb_info, ) New types.
9278 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9280 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9281 df_analyze_simple_change_some_blocks,
9282 df_analyze_simple_change_one_block, df_compact_blocks,
9283 df_bb_replace, df_bb_regno_last_use_find,
9284 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9285 df_insn_regno_def_p, df_find_def, df_find_use,
9286 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9287 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9288 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9289 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9290 debug_df_chain, df_get_dependent_problem, df_chain_create,
9291 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9292 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9293 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9294 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9295 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9296 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9297 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9298 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9299 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9300 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9301 df_reorganize_refs, df_set_state, df_hard_reg_init,
9302 df_read_modify_subreg_p) New public functions.
9303 * df-core.c: The core dataflow solver and glue routines for rtl
9305 (df_init, df_add_problem, df_set_blocks, df_finish,
9306 df_hybrid_search_forward, df_hybrid_search_backward,
9307 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9308 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9309 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9310 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9311 df_reg_defined, df_find_use, df_reg_used, df_dump,
9312 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9313 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9314 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9315 debug_df_useno, reset_df_after_reload): New functions.
9316 * df-scan.c: The scanning fuctions, once in df.c, completely
9317 rewritten so that they now fully model the functionality of
9318 register usage at the backend.
9319 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9320 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9321 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9322 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9323 df_get_artificial_defs, df_get_artificial_uses,
9324 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9325 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9326 df_refs_delete, df_reorganize_refs, df_set_state,
9327 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9328 df_def_record_1, df_defs_record, df_uses_record,
9329 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9330 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9331 df_record_exit_block_uses, df_hard_reg_init): New functions.
9333 * df-problems.c: Seven concrete dataflow problems that use the
9334 scanning in df-scan.c and are solved by the engine in df-core.c.
9335 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9336 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9337 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9338 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9339 df_ru_free_bb_info, df_ru_alloc,
9340 df_ru_bb_local_compute_process_def,
9341 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9342 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9343 df_ru_transfer_function, df_ru_free, df_ru_dump,
9344 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9345 df_rd_free_bb_info, df_rd_alloc,
9346 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9347 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9348 df_rd_transfer_function, df_rd_free, df_rd_dump,
9349 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9350 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9351 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9352 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9353 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9354 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9355 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9356 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9357 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9358 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9359 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9360 df_urec_mark_reg_use_for_earlyclobber,
9361 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9362 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9363 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9364 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9365 df_chain_create_bb_process_use, df_chain_create_bb,
9366 df_chain_finalize, df_chain_free, df_chains_dump,
9367 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9368 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9369 df_reg_lifetime): New functions.
9370 * df.c: Deleted file.
9371 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9372 consistent with new df api.
9373 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9374 rest_of_handle_sms): Ditto.
9375 * web.c (unionfind_union, union_defs, entry_register, web_main):
9377 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9378 invariant_expr_equal_p, find_defs, check_dependencies,
9379 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9380 free_inv_motion_data, move_loop_invariants): Ditto.
9381 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9382 Update dependencies.
9383 (odf.c): Added defective entry that was deleted later in day.
9384 * sched-deps.c (sched_analyze_1): Ditto.
9386 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9388 * tree-ssa-operands.c (get_expr_operands): Record addressable
9389 variables directly. Do not call add_stmt_operands for CONST_DECLs
9391 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9392 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9394 2006-01-11 Ben Elliston <bje@au.ibm.com>
9396 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9397 function returns true in the positive case.
9399 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9402 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9403 for SI, DI, SF and DF modes. Add alternatives to copy between
9404 general and floating point registers to the 32-bit patterns.
9405 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9406 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9407 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9408 generating 64-bit code.
9409 * config/pa/pa.c (output_move_double): Handle copies between general
9410 and floating registers.
9412 2006-01-10 Stuart Hastings <stuart@apple.com>
9414 * config/i386/i386.md (set_got): Update.
9415 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9416 (builtin_setjmp_receiver): Mach-O support.
9417 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9418 (GOT_SYMBOL_NAME): Define.
9419 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9420 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9421 * config/i386/i386.c (override_options): Revise for Darwin.
9422 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9423 support. (darwin_x86_file_end): New. (output_set_got): Add label
9424 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9425 * config/i386/i386-protos.h (output_set_got): Likewise.
9426 * config/darwin.c (machopic_legitimize_pic_address): Update
9429 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9431 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9432 when MODE isn't BLKmode.
9434 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9436 PR rtl-optimization/25367
9437 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9439 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9442 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9443 for a negative bound.
9445 2006-01-10 Richard Guenther <rguenther@suse.de>
9447 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9448 Never override with anything constraint.
9450 2006-01-10 Jan Beulich <jbeulich@novell.com>
9452 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9453 256 bits when optimize_size.
9455 2006-01-10 Jan Beulich <jbeulich@novell.com>
9457 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9459 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9460 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9463 2006-01-10 Ben Elliston <bje@au.ibm.com>
9465 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9467 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9468 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9469 (USE_FP_FOR_ARG): Reject decimal float modes.
9470 (function_arg_advance): Likewise.
9471 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9472 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9473 point types in AltiVec vectors.
9474 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9475 (rs6000_libcall_value): Likewise.
9477 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9479 * config/xtensa/ieee754-df.S: New file.
9480 * config/xtensa/ieee754-sf.S: New file.
9481 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9482 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9483 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9485 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9487 * config/sh/predicates.md (binary_float_operator,
9488 binary_logical_operator, commutative_float_operator,
9489 equality_comparison_operator, greater_comparison_operator,
9490 less_comparison_operator, logical_operator,
9491 noncommutative_float_operator, shift_operator,
9492 symbol_ref_operand, unary_float_operator): Remove redundant
9495 2006-01-09 Jeff Law <law@redhat.com>
9497 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9498 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9499 now unused arguments. Callers updated.
9500 (eliminate_redundant_computations): Remove now unused arguments,
9502 (local_fold): Remove, no longer used.
9503 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9505 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9506 (simplify_cond): New function.
9507 (forward_propagate_into_cond): Call simplify_cond.
9509 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9511 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9512 (*vec_extractv2di_1_sse): New.
9514 2006-01-09 Ben Elliston <bje@au.ibm.com>
9516 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9518 2006-01-08 Richard Guenther <rguenther@suse.de>
9520 * tree-ssa-structalias.c (get_constraint_for): Remove
9522 (get_constraint_for_component_ref): Likewise.
9523 (do_deref): Likewise.
9524 (get_constraint_for): Likewise.
9525 (do_structure_copy): Likewise.
9526 (handle_ptr_arith): Likewise.
9527 (find_func_aliases): Likewise. Remove unused need_anyoffset
9530 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9531 Kaz Kojima <kkojima@gcc.gnu.org>
9533 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9534 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9535 (EXTRA_CONSTRAINT_C16): Remove.
9536 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9537 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9538 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9539 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9540 constants of SHmedia. Handle nested constant expressions of
9542 (andcosts): Fix the costs for SHmedia constants.
9543 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9544 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9545 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9546 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9547 (movv4hi_i, movv2si_i): Likewise.
9548 (movsi_const): Adjust the second operand of ior so to match with
9550 (movdi_const, movdi_const_32bit): Likewise.
9551 (movdi_const_16bit+1): Don't sign-extend LOW.
9552 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9554 (*double_shori): Fix the split condition. Use GEN_INT instead
9555 of get_int_mode calls. Mask lower 16-bit of the argument of
9557 (sym2GOTPLT): Remove.
9558 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9560 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9561 instead of EXTRA_CONSTRAINT_C16.
9563 2006-01-07 Ian Lance Taylor <ian@airs.com>
9564 David Edelsohn <edelsohn@gnu.org>
9566 PR rtl-optimization/25662
9567 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9568 for constant operands instead of simplify_gen_binary.
9569 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9570 after trying simplify_binary_operation
9572 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9574 * tree.c (iterative_hash_expr): Hash decls based on UID.
9576 2006-01-06 Eric Christopher <echristo@apple.com>
9578 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9579 (TARGET_UNWIND_EMIT): Fix spelling.
9580 * target.h (gcc_target): Add except_table_label.
9581 * except.c (output_function_exception_table): Use.
9582 * varasm.c (default_emit_except_table_label): New.
9583 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9585 (asm_out): Add here.
9586 * output.h (default_emit_except_table_label): Prototype.
9587 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9588 * config/darwin.c (darwin_emit_except_table_label): Define.
9589 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9591 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9593 PR tree-optimization/18527
9594 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9595 number_of_iterations_special, number_of_iterations_exit):
9596 Move base and step of an iv to a single structure. Add
9597 no_overflow flag, and use it in # of iterations analysis.
9598 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9599 folded_casts argument.
9600 (simple_iv): Pass base and step in a structure. Set no_overflow
9602 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9603 Evaluate expensiveness of computing # of iterations instead of
9604 the final expression.
9605 * tree-scalar-evolution.h (affine_iv): New structure.
9606 (simple_iv): Declaration changed.
9607 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9608 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9609 find_givs_in_stmt): Changed due to simple_iv change.
9611 2006-01-06 Jeff Law <law@redhat.com>
9614 * tree-cfg.c (bsi_replace): Rename final argument from
9615 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9616 change (stmt -> orig_stmt).
9617 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9618 (bsi_remove): Add new argument. Remove EH information
9620 (verify_eh_throw_table_statements): New function.
9621 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9623 * tree-optimize.c (execute_free_cfg_annotations): Verify
9624 the EH throw statement table after removing annotations.
9625 * except.h (verify_eh_throw_table_statements): Prototype.
9626 * tree-flow.h (bsi_remove): Update prototype.
9627 * tree-vrp.c (remove_range_assertions): Add new argument to
9629 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9630 * tree-complex.c (expand_complex_div_wide): Likewise.
9631 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9632 * tree-tailcall.c (eliminate_tailcall): Likewise.
9633 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9634 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9635 * tree-nrv.c (tree_nrv): Likewise.
9636 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9637 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9638 (combine_blocks): Likewise.
9639 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9640 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9641 (cleanup_control_flow): Likewise.
9642 (remove_forwarder_block): Likewise.
9643 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9644 * tree-sra.c (sra_replace): Likewise.
9645 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9646 (forward_propagate_single_use_vars): Likewise.
9647 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9648 * tree-inline.c (expand_call_inline): Likewise.
9649 * tree-vect-transform.c (vect_transform_loop): Likewise.
9650 * tree-outof-ssa.c (rewrite_trees): Likewise.
9651 * tree-cfg.c (make_goto_expr_edges): Likewise.
9652 (cleanup_dead_labels): Likewise.
9653 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9654 (bsi_move_before, bsi_move_after): Likewise.
9655 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9656 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9658 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9661 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9663 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9664 on non gimple variables. Also add checks at the top for decls and
9666 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9668 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9669 and IMAGPART_EXPR for creating MUST_DEFs.
9670 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9671 and NAME_MEMORY_TAG separately from the DECLs.
9673 2006-01-06 Richard Guenther <rguenther@suse.de>
9675 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9676 annotation, if necessary.
9677 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9678 redundant calls to update_stmt.
9679 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9682 2006-01-05 Richard Henderson <rth@redhat.com>
9684 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9686 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9688 * c-typeck.c: Update copyright date.
9690 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9692 * c-typeck.c (build_c_cast): Always warn when casting
9693 from a pointer to an integer of different size, even if
9694 the node was constant.
9696 2006-01-05 Richard Guenther <rguenther@suse.de>
9698 PR tree-optimization/22555
9699 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9700 if one structure field is an array.
9701 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9702 operands even if we found a subvar, but ignore VOPs in this
9704 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9706 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9708 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9711 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9713 2006-01-05 Richard Guenther <rguenther@suse.de>
9714 Diego Novillo <dnovillo@redhat.com>
9716 * tree-pass.h (TODO_remove_unused_locals): Define.
9717 * gimple-low.c (expand_var_p, remove_useless_vars,
9718 pass_remove_useless_vars): Remove. Update all users.
9719 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9720 (remove_unused_locals): New function.
9721 * tree-flow.h (remove_unused_locals): Declare.
9722 * passes.c (execute_todo): Call remove_unused_locals if
9723 TODO_remove_unused_locals is set.
9724 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9725 * tree-ssa-dce.c (pass_dce): Likewise.
9726 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9728 2006-01-05 Richard Guenther <rguenther@suse.de>
9730 * tree-flow.h (struct fieldoff): Decompose field to
9731 type, size and decl.
9732 * tree-ssa-alias.c (create_sft): Take type as parameter.
9733 (create_overlap_variables_for): Store type, size and decl
9734 in the fieldoff structure.
9735 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9737 (push_fields_onto_fieldstack): Likewise.
9738 (create_variable_info_for): Likewise. Use offset for the
9739 SFT name if the decl is not available.
9741 2006-01-04 Paul Brook <paul@codesourcery.com>
9743 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9745 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9747 * lambda-code.c (can_put_in_inner_loop): Relax
9749 (can_put_after_inner_loop): New function.
9750 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9751 (perfect_nestify): Change to make copies and modify uses.
9753 2006-01-04 Richard Henderson <rth@redhat.com>
9755 Merge from gomp branch:
9756 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9757 via integer constant.
9758 (pragma_lex): Remove.
9759 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9760 rather than parsing it.
9761 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9762 handle_pragma_extern_prefix): Add %< %> quotes.
9763 (registered_pragmas): New.
9764 (c_register_pragma_1): New.
9765 (c_register_pragma): Use it.
9766 (c_register_pragma_with_expansion): Likewise.
9767 (c_invoke_pragma_handler): New.
9768 (init_pragma): Use cpp_register_deferred_pragma directly for
9770 * c-pragma.h (enum pragma_kind): New.
9771 (pragma_handler): New.
9772 (c_invoke_pragma_handler): Declare.
9773 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9775 * c-common.h (c_common_pch_pragma): Update decl.
9776 * Makefile.in (c-parser.o): Update dependencies.
9777 (GTFILES): Add c-pragma.h.
9778 * c-parser.c (struct c_token): Add pragma_kind.
9779 (struct c_parser): Add in_pragma.
9780 (c_lex_one_token): Always initialize keyword and pragma_kind.
9781 Extract data for CPP_PRAGMA.
9782 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9783 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9784 Don't allow CPP_PRAGMA_EOL if in_pragma.
9785 (c_parser_consume_pragma): New.
9786 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9787 (c_parser_skip_to_end_of_parameter): Likewise.
9788 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9789 (c_parser_skip_to_pragma_eol): New.
9790 (c_parser_external_declaration): Handle CPP_PRAGMA.
9791 (c_parser_compound_statement_nostart): Likewise.
9792 (c_parser_statement_after_labels): Likewise.
9793 (c_parser_pragma): New.
9794 (pragma_lex): Likewise.
9795 (c_parser_pragma_pch_preprocess): New.
9796 (c_parser_new): Merge into ...
9797 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9799 2006-01-04 Jeff Law <law@redhat.com>
9802 * tree-cfg.c (bsi_replace): Remove the original statement
9803 from the EH throw statement table.
9805 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9807 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9808 make the prototype extern "C" and add throw ().
9811 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9812 and pos non-negative and pos + len <= 32.
9813 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9814 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9815 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9818 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9819 as well as sizes not multiple of component size.
9822 * function.c (instantiate_expr): New function.
9823 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9824 walk its DECL_VALUE_EXPR with instantiate_expr.
9826 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9827 DW_OP_deref{,_size} if address isn't going to be added.
9829 2006-01-04 Ben Elliston <bje@au.ibm.com>
9831 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9832 * config/fp-bit.c: Likewise.
9834 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9836 * dominance.c: Add comment about why we use DFS numbering
9839 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9840 Richard Henderson <rth@redhat.com>
9842 Merge from gomp-branch:
9843 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9844 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9846 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9848 PR rtl-optimization/25578
9849 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9850 pass a parameter to simplify_shift_const if changing ASHIFTRT
9853 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9855 * builtins.c (get_builtin_sync_mem): New function.
9856 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9857 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9858 Call get_builtin_sync_mem to generate mem rtx.
9860 2006-01-03 Richard Guenther <rguenther@suse.de>
9863 * stmt.c (add_case_node): Make sure to clear overflow flags
9866 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9868 Merge from gomp-branch.
9869 * config/sparc/sync.md: New file.
9870 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9871 UNSPECV_LDSTUB): New constants.
9872 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9873 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9874 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9877 2006-01-03 Roger Sayle <roger@eyesopen.com>
9879 * combine.c (reg_subword_p): New predicate to test whether the
9880 destination of a set refers to a subword/piece of a register.
9881 (try_combine): Generalize the code to merge the setting of a
9882 pseudo to a constant followed by a set of a subword of that
9883 register to a constant.
9885 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9887 * basic-block.h (control_flow_graph): Change the type of
9888 x_label_to_block_map to VEC(basic_block,gc) *.
9889 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9890 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9892 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9893 VEC(basic_block,heap) *.
9894 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9895 ssa_prop_fini): Adjust the uses of cfg_blocks.
9897 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9899 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9901 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9902 hashing trees instead of a pointer hash.
9903 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9904 compare for MEM_EXPR.
9906 PR rtl-optimization/25130
9907 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9908 when comparing MEMs for GCSE
9910 2006-01-03 Ben Elliston <bje@au.ibm.com>
9912 * targhooks.h (default_decimal_float_supported_p): Declare.
9913 * targhooks.c (default_decimal_float_supported_p): Define.
9914 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9915 `default_decimal_float_supported_p'.
9916 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9918 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9920 * combine.c (apply_distributive_law <SUBREG>): Check
9921 TRULY_NOOP_TRUNCATION.
9923 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9925 * dwarf2out.c (have_switched_text_section): Delete.
9926 (have_multiple_function_sections): New.
9927 (have_location_lists): Make 'bool'.
9928 (add_AT_loc_list): Use 'true' not '1'.
9929 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9930 (output_loc_list): Use have_multiple_function_sections.
9931 (output_ranges): Likewise.
9932 (dwarf2out_begin_function): Set have_multiple_function_sections if
9934 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9935 Check function_section rather than DECL_SECTION_NAME.
9936 (dwarf2out_finish): Use have_multiple_function_sections.
9937 Don't clear have_location_lists.
9939 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9940 Jan Hubicka <jh@suse.cz>
9942 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9943 case of conditional jump jumping to the next instruction.
9944 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9945 cases of conditional jump jumping to the next instruction.
9947 2006-01-02 Jan Hubicka <jh@suse.cz>
9949 * i386.c (*_cost): Add COSTS_N_INSNS.
9950 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9952 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9955 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9957 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9959 * config/arm/arm.c (all_fpus): Fix comment typo.
9960 * config/darwin.c: Likewise.
9961 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9962 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9963 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9965 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9967 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9968 (rs6000_split_compare_and_swapqhi): New.
9969 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9970 (sync_compare_and_swapqhi_internal): New.
9971 * config/rs6000/rs6000-protos.h: Declare.