1 2006-04-24 Richard Guenther <rguenther@suse.de>
3 * cfgloop.h (struct loops): Remove unused field array. Reorder
5 (LOOP_PREFETCH): Remove.
7 2006-04-24 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/22525
10 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
11 variable, adjust types of generated expressions.
13 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
15 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
16 (tree-vect-patterns.o): Likewise.
19 (loop-doloop.o): Likewise.
20 (regclass.o): Likewise.
21 (reload1.o): Likewise.
22 (explow.o): Replace target.h with $(TARGET_H).
23 (ipa-prop.o): Likewise.
25 (ipa-inline.o): Likewise.
27 (reg-stack.o): Likewise.
29 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
31 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
33 2006-04-23 Mark Mitchell <mark@codesourcery.com>
36 * c-common.h (c_build_bitfield_integer_type): Declare.
37 * c-decl.c (c_build_bitfield_integer_type): Move to ...
38 * c-common.c (c_build_bitfield_integer_type): ... here.
40 2006-04-23 Roger Sayle <roger@eyesopen.com>
43 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
44 a SImode SUBREG of a floating point register after no_new_pseudos.
46 2006-04-23 Roger Sayle <roger@eyesopen.com>
48 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
49 identify potentially eliminable registers to additionally catch
50 VIRTUAL_INCOMING_ARGS_REGNUM.
51 (addsi3): Update the conditions on when to use addsi_small_int.
53 2006-04-23 Roger Sayle <roger@eyesopen.com>
56 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
57 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
58 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
60 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
62 * fold-const.c (range_predecessor): Use operand_equal_p
63 as the predicate for equality.
64 (range_successor): Likewise.
66 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
69 * config/soft-fp/op-common.h: Fix a typo.
71 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
74 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
75 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
77 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
79 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
81 * doc/tm.texi: Fix a typo.
83 2006-04-21 Geoffrey Keating <geoffk@apple.com>
85 * dwarf2out.c (struct die_struct): Document that die_sib makes
86 a circular linked list.
87 (FOR_EACH_CHILD): New.
88 (reverse_die_lists): Delete.
89 (reverse_all_dies): Delete.
90 (add_dwarf_attr): Correct documentation.
91 (remove_child_with_prev): New.
92 (remove_child_TAG): Update for change to die_struct, use
93 remove_child_with_prev.
94 (add_child_die): Update for change to die_struct.
95 (splice_child_die): Use remove_child_with_prev and add_child_die.
96 (print_die): Use FOR_EACH_CHILD.
97 (die_checksum): Likewise.
98 (assign_symbol_names): Likewise.
99 (output_location_lists): Likewise.
100 (build_abbrev_table): Likewise.
101 (calc_die_sizes): Likewise.
102 (mark_dies): Likewise.
103 (unmark_dies): Likewise.
104 (unmark_all_dies): Likewise.
105 (output_die): Likewise.
106 (prune_unused_types_mark): Likewise.
107 (prune_unused_types_walk): Likewise.
108 (same_die_p): Update for change to die_struct.
109 (break_out_includes): Likewise.
110 (prune_unused_types_prune): Likewise.
111 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
112 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
114 (dwarf2out_finish): Don't call reverse_all_dies.
116 2006-04-21 Eric Christopher <echristo@apple.com>
118 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
119 in comments and function names.
121 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
124 * c-typeck.c (digest_init): Robustify.
126 * c-typeck.c (pop_init_level): Simplify.
128 2006-04-21 Steve Ellcey <sje@cup.hp.com>
130 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
132 2006-04-21 Paul Brook <paul@codesourcery.com>
134 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
135 hardware floating point.
137 2006-04-21 David Edelsohn <edelsohn@gnu.org>
139 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
142 2006-04-21 Nick Clifton <nickc@redhat.com>
144 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
147 2006-04-21 Alan Modra <amodra@bigpond.net.au>
150 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
151 C++ lang type in traceback table for Objective-C++.
153 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
155 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
157 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
159 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
162 * tree-mudflap.c (mudflap_finish_file): Skip function when there
163 were errors. Remove check for erroneous objects.
165 2006-04-20 Jeff Law <law@redhat.com>
167 PR tree-optimization/26854
168 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
169 checking for zero or one use.
170 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
171 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
172 * tree-ssa-reassoc.c (negate_value): Similarly.
173 (reassociate_bb): Similarly.
175 2006-04-20 Jakub Jelinek <jakub@redhat.com>
177 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
178 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
179 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
181 2006-04-20 Alan Modra <amodra@bigpond.net.au>
183 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
184 fp regs if the last fp arg doesn't fit in regs.
186 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
189 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
190 that the last insn has the REG_INC note.
192 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
193 Nathan Sidwell <nathan@codesourcery.com>
196 * stor-layout.c (update_alignment_for_field): Do not align
198 (place_union_field): Place union field at the start of the union.
199 (place_field): Move ERROR_MARK check later, and use the current
200 allocation position to maintain monotonicity.
202 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
204 * dominance.c: Include timevar.h.
205 (calculate_dominance_info): Use TV_DOMINANCE.
206 * timevar.def (TV_DOMINANCE): New timevar.
207 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
209 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
211 PR rtl-optimization/14261
212 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
213 move would be an INSV insn.
214 (noce_process_if_block): Don't optimize if the destination is a
215 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
217 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
219 * config/s390/s390.md: Add comments with the instructions emitted
220 by an insn pattern if macros are used.
222 2006-04-19 Alan Modra <amodra@bigpond.net.au>
224 PR rtl-optimization/26026
225 * fold-const.c (fold_binary): Optimize div and mod where the divisor
226 is a known power of two shifted left a variable amount.
228 2006-04-18 Geoffrey Keating <geoffk@apple.com>
230 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
231 to hash table twice when the debug_str section has SECTION_MERGE.
233 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
235 * config/soft-fp: New directory. From glibc.
236 * config/soft-fp/t-softfp: New.
237 * config/soft-fp/README: New.
238 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
239 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
240 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
241 (LIBGCC_DEPS): Add $(SFP_MACHINE).
242 * config.gcc: Use rs6000/t-fprules-fpbit or
243 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
245 * config/rs6000/sfp-machine.h: New. Based on glibc.
246 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
248 * config/rs6000/t-fprules: Remove fp-bit rules.
249 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
250 * config/rs6000/t-linux64: Likewise. Remove duplicates from
251 LIB2FUNCS_EXTRA. Remove fp-bit rules.
252 (softfp_wrap_start, softfp_wrap_end): New.
254 2006-04-18 DJ Delorie <dj@redhat.com>
256 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
258 2006-04-18 Devang Patel <dpatel@apple.com>
260 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
262 2006-04-18 Nick Clifton <nickc@redhat.com>
264 * config/sh/t-symbian: Add rule to build sh-c.o
265 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
266 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
267 (sh_symbian_encode_section_info): Likewise.
269 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
271 * builtins.c (expand_builtin_strcmp): Cover label definition of
272 do_libcall with HAVE_cmpstrnsi.
274 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
276 * function.c (temp_slots_at_level, max_slot_level): Use VEC
278 * function.h (temp_slot_p): New.
279 (function): Change the type of x_used_temp_slots to
280 VEC(temp_slot_p,gc) *.
282 2006-04-18 Nick Clifton <nickc@redhat.com>
284 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
285 flag_strength_reduce.
287 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
289 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
293 Partial revert of revision 112637
294 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
295 Dale Johannesen <dalej@apple.com>
298 * regclass.c (struct reg_pref): Update documentation.
299 (regclass): Set prefclass to NO_REGS if memory is the best option.
300 (record_reg_classes): Cope with a prefclass set to NO_REGS.
302 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
304 PR tree-optimization/26821
305 * tree-ssa-math-opts.c (get_constant_one): New.
306 (insert_reciprocals): Use it.
308 2006-04-17 Geoffrey Keating <geoffk@apple.com>
310 * dwarf2out.c (free_AT): Delete.
311 (remove_AT): Update string ref counts.
312 (remove_child_TAG): Don't call free_die.
314 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
316 (prune_unused_types_walk_attribs): Reset string refcounts.
317 (prune_unused_types_update_strings): New.
318 (prune_unused_types_prune): Don't make unnecessary stores. Don't
319 call free_die. Do call prune_unused_types_update_strings.
320 (prune_unused_types): Empty debug_str_hash.
322 2006-04-17 Roger Sayle <roger@eyesopen.com>
324 * expr.c (expand_assignment): Optimize away no-op moves where the
325 source and destination are equal and have no side-effects.
327 2006-04-17 Richard Guenther <rguenther@suse.de>
330 * reload.c (push_reload): Guard calls to get_secondary_mem
333 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
335 * alias.c (reg_base_value, old_reg_base_value): Change the
336 type to VEC(rtx,gc) *.
337 (REG_BASE_VALUE, find_base_value, record_set,
338 init_alias_analysis): Use VEC instead of VARRAY.
340 * alias.c (alias_sets): Change the type to
341 VEC(alias_set_entry,gc) *.
342 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
343 VEC instead of VARRAY.
344 (last_alias_set): Remove.
346 * cgraph.h (cgraph_edge_p): New.
347 Update the prototype of cgraph_function_versioning.
348 * cgraphunit.c (cgraph_copy_node_for_versioning,
349 cgraph_function_versioning): Use VEC instead of VARRAY.
350 * ipa-cp.c (ipcp_insert_stage): Likewise.
352 2006-04-16 Roger Sayle <roger@eyesopen.com>
355 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
356 "A op B" or "A op C", we may need to convert A to the type of B and C.
358 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
360 * target.h (struct gcc_target): Add mode_rep_extended.
361 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
362 (init_num_sign_bit_copies_in_rep): Initialize it using
364 (truncate_to_mode): Use it.
365 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
366 * targhooks.h (default_mode_rep_extended): Declare it.
367 * targhooks.c (default_mode_rep_extended): Define it.
368 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
369 default_mode_rep_extended.
370 (TARGET_INITIALIZER): Include it.
371 * doc/tm.texi (Misc): Document it.
372 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
373 (mips_truncated_to_mode): New function.
375 2006-04-16 Roger Sayle <roger@eyesopen.com>
378 * expr.c (compress_float_constant): Copy the narrow constant into
379 a new pseudo before extending it to its final width.
381 2006-04-16 Roger Sayle <roger@eyesopen.com>
382 Andrew Pinski <pinskia@gcc.gnu.org>
383 Dale Johannesen <dalej@apple.com>
386 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
387 special case code to implement V8HImode and V16QImode with SSE2.
389 2006-04-15 Roger Sayle <roger@eyesopen.com>
391 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
392 trees are constructed with a suitable tree type.
394 2006-04-15 Roger Sayle <roger@eyesopen.com>
396 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
397 (integer_onep): Likewise.
398 (integer_all_onesp): Likewise.
399 (integer_pow2p): Likewise.
400 (integer_nonzerop): Likewise.
401 (real_zerop): Likewise.
402 (real_onep): Likewise.
403 (real_twop): Likewise.
404 (real_minus_onep): Likewise.
405 (int_size_in_bytes): Likewise.
406 (host_integerp): Likewise.
408 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
410 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
411 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
412 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
414 * tree-ssa-structalias.h (alias_info): Remove num_references.
416 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
418 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
419 (output_bvb patterns): Likewise.
420 * pa.c (output_bb): Use 'bb' insn for long branch case.
421 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
422 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
423 1. Correct length operand for alternatives 1 and 2.
424 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
425 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
427 2006-04-14 Roger Sayle <roger@eyesopen.com>
429 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
430 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
431 were accidentally reverted by r112959.
433 2006-04-15 Jakub Jelinek <jakub@redhat.com>
436 * except.h (eh_region_outermost): New prototype.
437 * except.c (eh_region_outermost): New function.
438 * tree-cfg.c (find_outermost_region_in_block): Use it.
440 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
442 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
444 * reload1.c (reg_equiv_memory_loc_varray): Rename to
445 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
446 (init_reload, reload): Use VEC instead of VARRAY.
447 * reload.h: Update the prototype for
448 reg_equiv_memory_loc_varray.
450 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
451 Eric Botcazou <ebotcazou@libertysurf.fr>
453 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
456 2005-04-13 Uros Bizjak <uros@kss-loka.si>
459 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
460 to expand fallback builtin function call.
462 2006-04-14 Alan Modra <amodra@bigpond.net.au>
465 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
466 and emit libcall here in case the builtin fails.
467 (expand_builtin_strcmp): Always emit the libcall here on failure.
469 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
471 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
472 * flow.c (reg_n_info): Change the type to
473 VEC(reg_info_p,heap) *.
474 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
476 * regs.h (reg_info_p): New.
477 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
478 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
479 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
482 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
484 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
486 * params.h (MAX_SCHED_READY_INSNS): New macro.
487 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
488 past MAX_SCHED_READY_INSNS during the first scheduling pass.
489 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
490 the ready list for 1 cycle during the first scheduling pass.
491 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
493 2006-04-13 Richard Henderson <rth@redhat.com>
496 * gimple-low.c (lower_omp_directive): Remove dead code.
497 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
498 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
499 * omp-low.c (struct omp_region): Move to tree-flow.h.
500 (root_omp_region): Export.
501 (omp_regions, lookup_omp_region): Remove.
502 (determine_parallel_type): Update for struct omp_region changes.
503 (dump_omp_region): Dump regions with block numbers.
504 (new_omp_region): Take type and block instead of stmt; malloc
506 (free_omp_region_1, free_omp_regions): New.
507 (expand_parallel_call): Take entry_stmt as argument; update for
508 changes to omp_region.
509 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
510 (remove_exit_barriers): New.
511 (expand_omp_parallel): Update for struct omp_region changes.
512 (expand_omp_synch): Likewise.
513 (expand_omp): Likewise.
514 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
515 (expand_omp_for_static_chunk): Likewise.
516 (expand_omp_for): Likewise.
517 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
518 (expand_omp_sections): Similarly, with GOMP_sections_end.
519 (expand_omp_single): New.
520 (build_omp_regions_1): Update for OMP_CONTINUE.
521 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
522 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
523 OMP_SECTIONS_SECTIONS.
524 (lower_omp_single_simple): Don't emit barrier here.
525 (lower_omp_single_copy): Likewise.
526 (lower_omp_single): Fix bindings, and lower to straightline now.
527 (lower_omp_master, lower_omp_ordered): Likewise.
528 (lower_omp_critical): Likewise.
529 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
530 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
531 omp edges, free it afterward.
532 (make_omp_sections_edges): Remove.
533 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
534 (move_stmt_r): Handle OMP_CONTINUE.
535 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
536 statement pointers to basic blocks. Add type member.
537 (root_omp_region, new_omp_region, free_omp_regions): Declare.
538 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
539 * tree-inline.c (estimate_num_insns_1): Likewise.
540 * tree-pretty-print.c (dump_generic_node): Likewise.
541 * tree-ssa-operands.c (get_expr_operands): Likewise.
542 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
543 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
545 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
546 (OMP_SECTIONS_SECTIONS): Remove.
547 (OMP_SECTION_LAST): New.
548 (OMP_RETURN_NOWAIT): New.
550 2006-04-13 Roger Sayle <roger@eyesopen.com>
552 * fold-const.c (native_encode_vector, native_interpret_real):
553 Correct obvious mistakes in the previous check-in.
555 2006-04-13 Roger Sayle <roger@eyesopen.com>
557 * fold-const.c (native_encode_expr): New function to encode
558 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
559 or VECTOR_CST into a specified buffer.
560 (native_encode_int): New function.
561 (native_encode_real): New function.
562 (native_encode_complex): New function.
563 (native_encode_vector): New function.
564 (native_interpret_expr): Inverse of native_encode_expr to convert
565 a target representation into an INTEGER_CST, REAL_CST etc...
566 (native_interpret_int): New function.
567 (native_interpret_real): New function.
568 (native_interpret_complex): New function.
569 (native_interpret_vector): New function.
570 (fold_view_convert_expr): New function to constant fold/evaluate
571 a VIEW_CONVERT_EXPR of a suitable constant expression.
572 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
573 Change call of build1 to fold_build1 when constructing a
576 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
577 Ulrich Weigand <uweigand@de.ibm.com>
580 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
583 2006-04-13 Alan Modra <amodra@bigpond.net.au>
586 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
587 optimize to lo_sum for DFmode if !TARGET_FPRS.
589 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
591 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
592 delete_alias_info, compute_flow_sensitive_aliasing,
593 group_aliases): Use VEC instead of VARRAY.
594 * tree-ssa-structalias.c (update_alias_info): Likewise.
595 * tree-ssa-structalias.h (alias_info): Change the type of
596 processed_ptrs to VEC(tree,heap) *.
598 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
601 * config/sh/lib1funcs.h: New file, broken out of:
602 * config/sh/lib1funcs.asm.
603 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
605 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
606 * config/sh/lib1funcs-Os-4-200.asm: New file.
607 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
608 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
609 (EXTRA_MULTILIB_PARTS): Include it.
610 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
611 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
612 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
613 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
616 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
618 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
619 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
620 tpa_compact, root_var_init, type_var_init): Use VEC instead of
622 * tree-ssa-live.h: Include vecprim.h.
623 (tree_partition_associator_d): Change the type of
624 first_partition to VEC(int,heap) *.
625 (tpa_first_partition): Use VEC instead of VARRAY.
627 * Makefile.in (GTFILES): Move functions.h after tree.h.
628 * function.c (reset_block_changes, record_block_change,
629 check_block_change, free_block_changes): Use VEC instead of
631 * function.h (function): Change the type of
632 ib_boundaries_block to VEC(tree,gc) *.
633 * tree-inline.c (copy_cfg_body): Initialize
634 ib_boundaries_block to NULL instead of (varray_type) 0.
636 2006-04-12 Roger Sayle <roger@eyesopen.com>
638 * expr.c (emit_group_store): Correct operand order in call to
639 subreg_lowpart_offset. Always create paradoxical SUBREGs with
640 a SUBREG_BYTE of zero.
642 2006-04-12 Richard Guenther <rguenther@suse.de>
644 * profile.c (compute_branch_probabilities): Remove code
645 encapsulated in !ir_type (), which are remanents of the
646 removed RTL profiling code.
647 * rtl-profile.c: Remove.
649 2006-04-12 Alan Modra <amodra@bigpond.net.au>
651 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
652 magic NULL_RTX comment.
653 (function_arg): Store entire fp arg to mem if any part should go
655 (rs6000_arg_partial_bytes): Adjust for above change.
657 2006-04-11 Roger Sayle <roger@eyesopen.com>
659 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
660 if it hasn't been initialized by dwarf2out_init.
662 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
664 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
665 symbolic constants in branch patterns.
667 2006-04-11 Roger Sayle <roger@eyesopen.com>
669 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
671 2006-04-11 Richard Sandiford <richard@codesourcery.com>
673 PR rtl-optimization/27073
674 * gcse.c (try_replace_reg): Revert last change. Continue to search
675 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
678 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
680 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
681 aggregate types other than record and union types.
682 (function_arg): Likewise.
683 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
685 (function_value): In 64-bit mode, return objects that require it
688 2006-04-11 Roger Sayle <roger@eyesopen.com>
690 * dwarf2out.c (premark_used_types): Remove problematic prototype.
692 2006-04-11 Jakub Jelinek <jakub@redhat.com>
694 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
696 2006-04-03 Jeff Law <law@redhat.com>
699 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
700 alias information too.
702 2006-04-10 Mike Frysinger <vapier@gentoo.org>
704 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
706 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
709 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
710 (premark_used_types_helper): New.
711 (premark_used_types): New.
712 (gen_subprogram_die): Call premark_used_types.
713 (prune_unused_types_walk): Do not prune perennial dies.
714 * function.c (used_types_insert): New.
715 * function.h (struct function): Add used_types_hash field.
716 (used_types_insert): Add prototype.
717 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
718 * c-parser.c (c_parser_cast_expression): Save casted types in used
721 2006-04-11 Mark Mitchell <mark@codesourcery.com>
724 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
725 rs6000_explicit_options.float_gprs.
727 2006-04-10 Roger Sayle <roger@eyesopen.com>
729 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
730 from ix86_expand_vector_init_low_nonzero. Take an additional
731 one_var argument indicating which element is non-zero. Support
732 one_var != 0 for V4SFmode and V4SImode by permuting the result.
733 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
734 with one_var instead of ix86_expand_vector_init_low_nonzero.
736 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
738 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
739 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
740 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
741 build/genextract.o): Depend on vecprim.h.
742 * cfglayout.c, df-problems.c, function.c, genextract.c,
743 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
744 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
748 2006-04-10 Geoffrey Keating <geoffk@apple.com>
750 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
751 Declare VECs of this type.
752 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
753 (remove_children): Delete.
754 (add_dwarf_attr): Use VEC routines.
755 (add_AT_flag): Update for changes to add_dwarf_attr.
756 (add_AT_int): Likewise.
757 (add_AT_unsigned): Likewise.
758 (add_AT_long_long): Likewise.
759 (add_AT_vec): Likewise.
760 (add_AT_string): Likewise.
761 (add_AT_die_ref): Likewise.
762 (add_AT_fde_ref): Likewise.
763 (add_AT_loc): Likewise.
764 (add_AT_loc_list): Likewise.
765 (add_AT_addr): Likewise.
766 (add_AT_lbl_id): Likewise.
767 (add_AT_lineptr): Likewise.
768 (add_AT_macptr): Likewise.
769 (add_AT_offset): Likewise.
770 (add_AT_range_list): Likewise.
771 (get_AT): Use VEC_iterate.
772 (remove_AT): Use VEC_ordered_remove.
773 (free_die): Fold remove_children into here; have it use VEC_iterate.
774 (print_die): Use VEC_iterate on attrs.
775 (reverse_die_lists): Don't reverse attr lists.
776 (die_checksum): Use VEC_iterate on attrs.
777 (same_die_p): Likewise.
778 (output_location_lists): Likewise.
779 (build_abbrev_table): Likewise.
780 (size_of_die): Likewise.
781 (unmark_all_dies): Likewise.
782 (output_abbrev_section): Likewise.
783 (output_die): Likewise.
784 (prune_unused_types_walk_attribs): Likewise.
786 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
788 * doc/install.texi (*-*-solaris2*): Point to the configure page.
790 2006-04-10 Jakub Jelinek <jakub@redhat.com>
793 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
795 2006-04-09 Roger Sayle <roger@eyesopen.com>
797 * expr.c (store_constructor): Don't bother clearing target if
798 we're about to assign a vector to it using vec_init_optab.
800 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
802 * tree-ssa-alias.c (lhs_may_store_to): New function.
803 (recalculate_used_alone): Handle LHS of calls.
805 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
809 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
810 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
811 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
812 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
813 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
814 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
815 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
816 stubs. Add ".align 8" directives before all ".dword" directives.
817 (GTHREAD_USE_WEAK): Revise comment.
818 (TARGET_ATTRIBUTE_WEAK): Define.
819 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
820 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
821 * stublib.c: New file.
826 * pa.md (cbranch patterns): Revise arguments used in calls to
827 output_cbranch, output_bb and output_bvd. Add long branch length
829 (fbranch patterns): Handle long branches.
830 (jump): Revise length check. Revise arguments for output_lbranch call.
831 Add long branch length attributes.
832 (decrement_and_branch_until_zero): Add long branch length attributes.
833 (output_movb, output_parallel_addb and output_parallel_movb patterns):
834 Likewise. Revise arguments for output_parallel_addb and
835 output_parallel_movb calls.
836 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
837 output_parallel_movb and output_parallel_addb): Update prototypes.
838 * pa.c (output_cbranch): Revise arguments. Correct handling of
839 nullification in long branches.
840 (output_lbranch): Add new argument to control extraction of delay
842 (output_bb): Handle long branches.
843 (output_bvb, output_dbra, output_movb, output_parallel_movb,
844 output_parallel_addb): Likewise.
846 2006-04-09 Richard Sandiford <richard@codesourcery.com>
848 PR rtl-optimization/27073
849 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
852 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
854 * tree.h (tree_memory_tag): Add old_used_alone.
855 (SMT_OLD_USED_ALONE): New macro.
856 * tree-ssa-alias.c (recalculate_used_alone): Stop
857 marking things for renaming unnecessarily.
859 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
861 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
862 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
863 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
864 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
865 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
866 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
867 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
868 spelling convensions.
869 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
870 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
871 typos. Follow spelling conventions.
873 2006-04-07 DJ Delorie <dj@redhat.com>
875 * config/m32c/m32c.c (m32c_function_arg): Structures are always
877 (m32c_init_cumulative_args): When a function returns a structure,
878 always pass the pointer to that return area on the stack.
879 (m32c_function_arg_advance): Don't increment the parameter number
880 if we're processing the returned structure pointer.
881 (pushm_info): Reverse order of registers.
883 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
885 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
886 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
887 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
888 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
890 * tree-chrec.c (chrec_fold_multiply_poly_poly,
891 chrec_fold_multiply): Same.
892 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
893 force_expr_to_var_cost): Same.
894 * tree-mudflap.c (mf_xform_derefs_1): Same.
895 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
897 2006-04-07 David Edelsohn <edelsohn@gnu.org>
899 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
900 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
903 2006-04-07 Jan Hubicka <jh@suse.cz>
905 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
907 2006-04-07 Richard Guenther <rguenther@suse.de>
909 PR tree-optimization/26135
910 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
911 loads for store copy-prop.
912 (copy_prop_visit_stmt): Likewise.
914 2006-04-05 Robert Millan <robertmh@gnu.org>
916 * gcc/config/i386/linux.h: Add a comment to mark macros that are
917 being overriden in config/k*bsd-gnu.h.
918 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
920 * gcc/config/knetbsd-gnu.h: Ditto.
922 2006-04-06 Jan Hubicka <jh@suse.cz>
926 * coverage.c (coverage_checksum_string): Reorganize loop to not read
929 2006-04-06 Mike Stump <mrs@apple.com>
931 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
932 for HAVE_nonlocal_goto to be consistent.
933 (expand_builtin_nonlocal_goto): Likewise.
934 (expand_builtin_strcmp): Use #ifdef instead of #if
935 for HAVE_cmpstrnsi to be consistent.
937 2006-04-05 DJ Delorie <dj@redhat.com>
939 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
942 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
944 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
945 got-relative addressing for anything but SImode.
947 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
948 even if the calling function doesn't modify them.
950 2006-04-05 Richard Guenther <rguenther@suse.de>
952 PR tree-optimization/26919
953 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
954 to cgraph_estimate_size_after_inlining.
956 2006-04-05 Alan Modra <amodra@bigpond.net.au>
958 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
960 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
962 PR tree-optimization/26996
963 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
964 VECTOR_TYPE variables.
966 2006-04-05 Richard Guenther <rguenther@suse.de>
968 PR tree-optimization/26763
969 * fold-const.c (fold_comparison): Move folding of
970 PTR + CST CMP PTR + CST ...
971 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
973 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
975 * doc/install.texi (Prerequisites): Refine some wording on
976 bootstrapping and ksh.
977 Move the version numbers of DejaGnu here from the testing section
978 and fix casing of names.
979 Fix markup and clarify wording for autogen requirements.
980 Refer to GCJ instead of just java.
981 Refer to SVN instead of CVS.
982 Describe diffutils as useful instead of necessary.
983 (Downloading the source): Refer to SVN instead of CVS.
984 Adjust a link to our web site accordingly.
985 (Configuration): Fix casing of Bison.
986 (Building): Refer to SVN instead of CVS.
987 Fix a sentence on the use of Bison and remove duplicate (and
988 incorrect) version number of Bison requirement.
989 Remove one redundant list of packages needed for building.
990 (Specific): Avoid reference to CVS.
992 2006-04-04 Eric Christopher <echristo@apple.com>
994 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
995 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
996 (rs6000_handle_struct_attribute): New.
997 (rs6000_ms_bitfield_layout_p): Ditto.
999 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1001 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1002 NULL for dso parameter to atexit_common.
1004 2006-04-04 Eric Christopher <echristo@apple.com>
1006 * config/i386/i386.c (machopic_output_stub): Output \t
1007 between instructions and operands.
1009 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1011 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1012 satisfies_constraint_[IL] to explicit tests on value.
1014 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1016 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1017 set_nb_iterations_in_loop): Use build_int_cst instead of
1019 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1020 build_int_cst instead of convert.
1022 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1024 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1025 new value 2 for incoming.
1026 * function.c (expand_function_start): Call struct_value_rtx
1028 * config/sparc/sparc.md: Comment updated_return.
1029 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1030 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1031 struct return if sparc_std_struct_return and incoming is 2.
1032 (print_operand): Do not adjust return if
1033 sparc_std_struct_return.
1035 2006-04-04 Roger Sayle <roger@eyesopen.com>
1037 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1038 convert in the middle-end.
1039 * expr.c (store_expr, store_constructor, get_inner_reference,
1040 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1042 * tree.c (build_range_type): Likewise.
1044 2006-04-04 Tom Tromey <tromey@redhat.com>
1046 * doc/install.texi (Prerequisites): Mention jar.
1048 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1050 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1053 2006-04-04 Matthias Klose <doko@debian.org>
1055 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1057 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1059 * doc/extend.texi (Function Attributes): Rewrite visibility
1060 attribute documentation.
1061 * doc/invoke.texi (C++ Dialect Options): Rewrite
1062 -fvisibility-inlines-hidden documentation to describe something
1063 entirely different, although in practise compatible.
1064 (Code Gen Options): Warn about system headers in -fvisibiltity=
1067 * doc/extend.texi (Other Builtins): Document that
1068 __builtin_nan is a compile-time constant only when its argument
1071 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1073 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1074 trying to remove TRUNCATE check if all bits outside the new mode
1075 are identical to the sign bit.
1077 2006-04-03 Jeff Law <law@redhat.com>
1079 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1080 and operand scanning in some common cases.
1082 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1083 Dale Johannesen <dalej@apple.com>
1086 * regclass.c (struct reg_pref): Update documentation.
1087 (regclass): Set prefclass to NO_REGS if memory is the best option.
1088 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1089 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1090 into account. For non-registers, equate an empty preferred
1091 reload class to a `!' in the constraint; move the if clause to
1092 do so after those that reject the insn.
1093 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1095 (find_dummy_reload): Likewise.
1096 * doc/tm.texi (Register Classes): Document what it means
1097 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1098 * config/i386/i386.c (ix86_preferred_reload_class): Force
1099 using SSE registers (and return NO_REGS for floating-point
1100 constants) if math is done with SSE.
1101 (ix86_preferred_output_reload_class): New.
1102 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1103 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1104 * config/i386/i386.md: Remove # register preferences.
1106 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1109 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1110 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1111 the type of nb_iter.
1112 (instantiate_parameters_1): Convert the operands before calling
1113 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1114 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1116 2006-04-02 Roger Sayle <roger@eyesopen.com>
1118 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1119 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1121 * dojump.c (do_jump): Likewise.
1122 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1123 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1124 gimplify_boolean_expr): Likewise.
1125 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1126 * varasm.c (array_size_for_constructor): Likewise.
1127 * tree-object-size.c (compute_object_offset): Likewise.
1129 2006-04-02 Roger Sayle <roger@eyesopen.com>
1132 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1133 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1135 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1137 PR tree-optimization/26939
1138 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1140 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1142 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1143 at_stmt. Convert the type of operands before calling
1144 build_polynomial_chrec.
1145 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1147 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1148 (instantiate_parameters_1): Convert the type of operands before calling
1149 build_polynomial_chrec.
1150 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1151 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1152 reset_evolution_in_loop): Insert asserts to check the types of the
1154 (chrec_type): Moved...
1155 (eq_evolutions_p): Use operand_equal_p.
1156 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1157 the types of the operands.
1158 (chrec_type): ...here.
1159 * tree-data-ref.c (create_data_ref): Convert the operands before
1160 calling chrec_replace_initial_condition.
1161 (same_access_functions, analyze_subscript_affine_affine,
1162 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1163 (compute_subscript_distance, analyze_ziv_subscript,
1164 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1165 analyze_miv_subscript): Convert the operands before calling
1166 chrec_fold_minus or chrec_fold_plus.
1168 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1170 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1171 the dependence_relations vector.
1172 (compute_data_dependences_for_loop): Adjust call to
1173 compute_all_dependences.
1175 2006-04-01 Roger Sayle <roger@eyesopen.com>
1176 Richard Henderson <rth@redhat.com>
1178 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1179 gimple_boolify on the condition before calling gimplify_expr.
1181 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1183 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1184 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1185 the frame size. Update to use the new macros.
1186 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1187 * config/xtensa/ieee754-df.S: Likewise.
1189 2006-03-31 Richard Henderson <rth@redhat.com>
1191 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1192 (make_edges): ... here. Control fallthru creation with a local
1193 variable. Do not play with fake edges.
1194 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1195 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1198 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1200 * dwarf2.h (DW64_CIE_ID): Define.
1201 * dwarf2out.c (DWARF_CIE_ID): Define.
1202 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1203 length header. Use DWARF_CIE_ID.
1204 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1205 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1207 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1209 * config/sh/linux-atomic.asm: New file.
1210 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1212 2006-03-31 DJ Delorie <dj@redhat.com>
1214 * config/m32c/cond.md: Set condition flags properly throughout.
1215 * config/m32c/minmax.md: Likewise.
1216 * config/m32c/prologue.md: Likewise.
1217 * config/m32c/bitops.md: Likewise.
1218 * config/m32c/muldiv.md: Likewise.
1219 * config/m32c/mov.md: Likewise.
1220 * config/m32c/addsub.md: Likewise.
1221 * config/m32c/m32c.md: Likewise.
1222 * config/m32c/jump.md: Likewise.
1223 * config/m32c/shift.md: Likewise.
1225 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1226 conditionally output the pattern for this.
1227 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1228 (m32c_compare_redundant): New.
1229 (m32c_output_compare): New.
1230 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1232 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1233 dest, not src. Allow other 4-byte modes.
1235 2006-03-30 Denis Chertykov <denisc@overta.ru>
1237 * doc/md.texi: Refer to avr/constraints.md instead of
1240 2006-03-30 Roger Sayle <roger@eyesopen.com>
1242 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1243 signed vs. unsigned comparison failures on some hosts.
1245 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1248 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1249 change to FLOAT_REGS.
1251 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1252 (rs6000_override_options): Use it.
1253 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1254 only for -mabi=spe/no-spe and -mabi=altivec.
1256 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1258 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1261 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1263 * Makefile.in: Rename docdir to gcc_docdir.
1265 2006-03-30 Roger Sayle <roger@eyesopen.com>
1268 * expr.c (emit_group_store): Optimize group stores into a pseudo
1269 register by using a paradoxical subreg to initialize the destination
1270 if the first or last member of the group specifies a "low part".
1272 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1275 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1276 * target.h (struct gcc_target.speculate_insn): Change type of the
1277 second parameter to 'int'.
1278 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1279 the second operand of the DEPS_LIST.
1280 (copy_DEPS_LIST_list): Update reference to the second operand of the
1282 * rtl.h (alloc_DEPS_LIST): Update signature.
1283 * sched-int.h (ds_t): Change typedef to 'int'.
1284 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1286 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1288 * haifa-sched.c (try_ready): Change condition to restore
1289 non-speculative pattern of the instruction.
1290 (process_insn_depend_be_in_spec): Code to keep probability of the
1291 speculative dependence non-decreasing.
1293 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1295 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1296 (single_move_for_movmem): ... this. Also change all uses.
1297 (bfin_expand_strmov): Renamed to...
1298 (bfin_expand_movmem): ... this. Also change all uses.
1299 * config/bfin/bfin.md (movstrsi): Renamed to...
1300 (movstrsi): ...this.
1302 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1304 PR tree-optimization/26830
1306 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1307 (copy_prop_visit_stmt): Remove write-only variable ann.
1308 (init_copy_prop): Check variable loop depth here. Do not simulate
1309 memory-tag and virtual operand PHIs except for store copy prop.
1311 2006-03-30 Richard Guenther <rguenther@suse.de>
1313 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1314 variants with double arguments.
1316 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1318 * genpreds.c (write_tm_constrs_h): Delete variable p.
1319 * genconditions.c (write_header): Add tm-constrs.h to included
1321 * genpeep.c (main): Add toplev.h to included headers.
1322 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1323 (build/genpeep.o): Add toplev.h dependency.
1324 * config/rs6000/constraints.md: Add "W" constraint.
1326 2006-03-29 Roger Sayle <roger@eyesopen.com>
1328 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1329 sizes by correctly testing whether the size fits a host integer.
1330 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1331 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1332 SImode range for the default sizetype and bitsizetype.
1334 2006-03-29 Roger Sayle <roger@eyesopen.com>
1336 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1337 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1338 quickly if the argument is already of the correct type.
1339 Call fold_build1 instead of build1. Tidy up blank lines.
1341 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1343 * genemit.c (main): Add tm-constrs.h to included headers.
1344 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1345 * genpeep.c (main): Add tm-constrs.h to included headers.
1346 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1347 (write_tm_constrs_h): this and write complete file.
1348 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1349 (write_insn_preds_c): Add tm-constrs.h to included headers.
1350 (gen_constrs): New variable.
1351 (parse_option): Parse "-c".
1352 (main): Invoke write_tm_constrs_h.
1353 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1354 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1355 (object_out_file): Add tm-constrs.h dependency.
1356 (insn-emit.o): Same.
1357 (insn-output.o): Same.
1358 (insn-peep.o): Same.
1359 (insn-preds.o): Same.
1360 (insn-recog.o): Same.
1361 (tm-constsr.h): New target.
1362 (s-constrs-h): New target.
1364 * config/rs6000/constraints.md: New file.
1365 * config/rs6000/rs6000.c: Include tm-constrs.h.
1366 (num_insn_constant_wide): Convert to satisfies_constraint.
1367 (rs6000_rtx_costs): Convert to satisfies_constraint.
1368 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1369 (CONST_OK_FOR_LETTER_P): Delete.
1370 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1371 (EXTRA_CONSTRAINT): Delete.
1372 (EXTRA_MEMORY_CONSTRAINT): Delete.
1373 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1374 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1375 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1376 satisfies_constraint.
1378 * config/i386/i386.c: Include tm-constrs.h.
1380 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1382 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1383 * tree-data-ref.c (find_data_references_in_loop,
1384 compute_data_dependences_for_loop): Use pointers to VEC.
1385 (analyze_all_data_dependences): Adjust calls.
1386 * tree-data-ref.h (find_data_references_in_loop,
1387 compute_data_dependences_for_loop): Adjust declarations.
1388 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1389 compute_data_dependences_for_loop.
1391 2006-03-29 Paul Brook <paul@codesourcery.com>
1393 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1396 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1398 PR tree-optimization/26859
1399 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1401 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1402 for the step after fold_convert.
1404 2006-03-29 Paul Brook <paul@codesourcery.com>
1406 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1407 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1409 2006-03-29 Paul Brook <paul@codesourcery.com>
1412 * targhooks.c (default_narrow_bitfield): New fuction.
1413 * targhooks.h (default_narrow_bitfield): add prototype.
1414 * target.h (gcc_target): Add narrow_volatile_bitfield.
1415 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1416 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1417 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1418 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1420 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1422 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1424 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1425 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1426 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1427 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1428 (s390_function_arg_float): Allow SDmode and DDmode values to be
1429 passed in floating point registers.
1430 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1431 check with SCALAR_FLOAT_MODE_P.
1432 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1434 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1436 PR tree-optimization/25985
1437 * tree-ssa-loop-niter.c (number_of_iterations_le,
1438 number_of_iterations_ne): Make comments more precise.
1439 (number_of_iterations_cond): Add only_exit argument. Use the
1440 fact that signed variables do not overflow only when only_exit
1442 (loop_only_exit_p): New.
1443 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1444 number_of_iterations_cond.
1446 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1448 PR tree-optimization/26643
1449 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1452 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1454 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1455 (divsi3_i4_int): Likewise.
1457 2006-03-28 Roger Sayle <roger@eyesopen.com>
1459 * expr.c (emit_group_store): Only create a new pseudo reg if the
1460 quantity it needs to hold isn't already a suitable pseudo.
1462 2006-03-28 Jeff Law <law@redhat.com>
1464 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1465 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1467 2006-03-28 Roger Sayle <roger@eyesopen.com>
1469 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1470 the equivalent ~X & Y, and the symmetry related transformations.
1471 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1472 ~X & Y, and symmetry related transforms.
1474 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1476 Revert my 2006-03-27 patches.
1478 2006-03-28 Roger Sayle <roger@eyesopen.com>
1480 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1481 ~(T1)X, when T1 and T2 are integer types of the same precision
1482 and (T2)X isn't an extension.
1484 2006-03-28 Jeff Law <law@redhat.com>
1486 PR tree-optimization/26796
1487 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1488 need EH edge cleanups rather than purging them immediately.
1489 (eliminate_degenerate_phis): Handle queued EH cleanups.
1491 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1493 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1496 2006-03-27 Roger Sayle <roger@eyesopen.com>
1499 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1500 cast BIT_NOT_EXPR operand to the correct type.
1502 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1504 * tree-loop-linear.c: Don't include varray.h.
1505 (gather_interchange_stats, try_interchange_loops,
1506 linear_transform_loops): Use VEC instead of VARRAY.
1507 * lambda-mat.c: Don't include varray.h.
1508 * tree-chrec.c: Same.
1509 * lambda-trans.c: Same.
1510 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1511 VEC instead of VARRAY.
1512 * tree-vectorizer.h: Idem.
1513 * tree-data-ref.c (dump_data_references,
1514 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1515 initialize_data_dependence_relation, finalize_ddr_dependent,
1516 compute_all_dependences, find_data_references_in_loop,
1517 compute_data_dependences_for_loop, analyze_all_data_dependences,
1518 free_dependence_relation, free_dependence_relations,
1519 free_data_refs): Idem.
1520 * tree-data-ref.h (data_reference_p, subscript_p): New.
1521 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1522 VEC instead of VARRAY.
1523 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1524 (find_data_references_in_loop, compute_data_dependences_for_loop,
1525 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1526 dump_data_dependence_relations, free_dependence_relations,
1527 free_data_refs): Adjust declaration.
1528 (lambda_transform_legal_p): Move declaration here...
1529 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1530 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1531 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1532 vect_analyze_data_refs): Use VEC instead of VARRAY.
1533 * lambda.h (lambda_transform_legal_p): ...from here.
1534 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1535 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1536 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1537 tree-chrec.o): Don't depend on VARRAY_H.
1539 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1541 * rtl.def (Copyright): Update date.
1542 (DEPS_LIST): Change type of the second operand to 'int'.
1543 * target.h (Copyright): Update date.
1544 (struct gcc_target.speculate_insn): Change type of the second parameter
1546 * lists.c (Copyright): Update date.
1547 (alloc_DEPS_LIST): Change signature. Update reference to the second
1548 operand of the DEPS_LIST.
1549 (copy_DEPS_LIST_list): Update reference to the second operand of the
1551 * rtl.h (Copyright): Update date.
1552 (alloc_DEPS_LIST): Update signature.
1553 * sched-int.h (Copyright): Update date.
1554 (ds_t): Change typedef to 'int'.
1555 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1557 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1559 * haifa-sched.c (Copyright): Update date.
1560 (try_ready): Change condition to restore non-speculative pattern
1562 (process_insn_depend_be_in_spec): Code to keep probability of the
1563 speculative dependence non-decreasing.
1565 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1567 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1568 shut up the compiler.
1570 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1572 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1573 to use lib prefix for target.
1574 ($(T)libic_invalidate_array_4-200.a): Likewise.
1575 ($(T)libic_invalidate_array_4a.a): Likewise.
1577 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1578 J"orn Rennecke <joern.rennecke@st.com>
1580 * superh.opt: New file.
1581 * sh.c (boardtype, osruntime): Remove.
1582 * superh.h (SUBTARGET_OPTIONS): Remove.
1583 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1585 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1586 arguments with ^ and/or [].
1588 * config.gcc (sh-*-*): Add quoting to account for quirk of
1590 Replace == with = in enable_incomplete_targets test.
1592 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1593 with MASK_LITTLE_ENDIAN.
1595 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1596 * config/sh/sh.opt: Added to some comments.
1597 * config/sh/superh.h: Removed some chaff.
1599 * config/sh/sh.opt: Add m4-[1234]00* options.
1600 * config/sh/sh.c (sh_handle_option): Likewise.
1601 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1602 (ic_invalidate_array_4-100.o): New rule.
1603 ($(T)libic_invalidate_array_4-100.a): Likewise.
1604 (ic_invalidate_array_4-200.o): Likewise.
1605 ($(T)libic_invalidate_array_4-200.a): Likewise.
1606 (ic_invalidate_array_4a.o): Likewise.
1607 ($(T)libic_invalidate_array_4a.a): Likewise.
1608 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1609 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1611 * config/sh/crt1.asm: Merged in profiling code.
1612 * config/sh/superh.h (STARTFILE_SPEC): Override.
1613 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1614 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1615 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1617 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1618 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1619 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1621 * sh.opt (mpretend-cmove): New option.
1622 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1623 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1624 (movsicc): Add TARGET_PRETEND_CMOVE code.
1626 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1628 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1629 s390_class_max_nregs): New function prototypes.
1630 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1631 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1632 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1633 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1635 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1637 * dwarf2out.c (add_location_or_const_value_attribute): Call
1638 tree_add_const_value_attribute if nothing else works.
1639 (reference_to_unused): New.
1640 (rtl_for_decl_init): Use reference_to_unused to decide whether
1641 to output an initializer.
1643 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1646 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1647 peephole removing spe frob_di_df_2.
1649 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1651 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1652 (subscript_dependence_tester_1): Declared.
1653 (print_dir_vectors, print_dist_vectors): New.
1654 (debug_data_dependence_relation): New.
1655 (dump_data_dependence_relation): Print more details.
1656 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1657 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1658 (save_dist_v, save_dir_v, add_outer_distances,
1659 build_classic_dist_vector_1): New.
1660 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1661 Don't test for lambda_vector_lexico_pos.
1662 (same_access_functions, add_multivariate_self_dist,
1663 add_other_self_distances, dir_from_dist): New.
1664 (build_classic_dir_vector): Replace implementation almost identical to
1665 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1667 (subscript_dependence_tester_1): New.
1668 (subscript_dependence_tester): Handle the lexicographically negative
1669 distance vectors by recomputing the dependence relation.
1670 (compute_affine_dependence): Remove parameter loop_nest_depth.
1671 (compute_self_dependence): Don't call compute_subscript_distance.
1672 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1673 Add a parameter for the loop_nest.
1674 (find_loop_nest_1, find_loop_nest): New.
1675 (compute_data_dependences_for_loop): Compute the loop nest, and give
1676 up if the nest is not well formed.
1677 * tree-data-ref.h (loop_p): New.
1678 (struct data_dependence_relation): Replace size_vect field with
1679 loop_nest, a vec of loops.
1680 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1681 (DDR_LOOP_NEST): New.
1682 (print_dir_vectors, print_dist_vectors,
1683 debug_data_dependence_relation): Declared.
1684 (index_in_loop_nest): New.
1685 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1686 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1689 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1691 * simplify-rtx.c (simplify_relational_operation): Call
1692 simplify_relational_operation_1 even if mode is VOIDmode.
1694 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1696 PR tree-optimization/26804
1697 * tree.h (DECL_CALL_CLOBBERED): New macro.
1698 (tree_decl_common): Add call_clobbered_flag.
1699 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1700 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1701 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1702 (mark_non_addressable): Ditto.
1703 * tree-ssa.c (verify_call_clobbered): New function.
1704 (verify_alias_info): Use it.
1705 * tree-pass.h (pass_reset_cc_flags): New prototype.
1706 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1707 (reset_cc_flags): New function.
1708 * passes.c (init_optimization_passes): Call reset_cc_flags after
1709 initializing referenced_vars.
1711 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1712 Roger Sayle <roger@eyesopen.com>
1715 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1716 to 1.0 for non-real operands. Implement A / A optimization for
1719 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1721 * config/i386/i386.c (size_cost): Correct the comment for
1722 cost of storing fp registers.
1723 (i386_cost): Likewise.
1724 (i486_cost): Likewise.
1725 (pentium_cost): Likewise.
1726 (pentiumpro_cost): Likewise.
1727 (k6_cost): Likewise.
1728 (athlon_cost): Likewise.
1729 (k8_cost): Likewise.
1730 (pentium4_cost): Likewise.
1731 (nocona_cost): Likewise.
1732 (generic64_cost): Likewise.
1733 (generic32_cost): Likewise.
1735 2006-03-24 Denis Chertykov <denisc@overta.ru>
1737 * config/avr/avr-protos.h (extra_constraint): Delete.
1738 (extra_constraint_Q): New declaration.
1739 * config/avr/constraints.md: New file.
1740 * config/avr/avr.md: Include it.
1741 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1742 (TMP_REGNO, ZERO_REGNO): Likewise.
1743 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1744 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1745 (extra_constraint): Delete.
1746 (extra_constraint_Q): Test for memory constraint 'Q'.
1747 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1748 (REG_CLASS_FROM_LETTER): Delete.
1749 (CONST_OK_FOR_LETTER_P): Delete.
1750 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1751 (EXTRA_CONSTRAINT): Delete.
1752 (TMP_REGNO): Delete.
1753 (ZERO_REGNO): Delete.
1755 2006-03-24 Jeff Law <law@redhat.com>
1757 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1758 directly. Call mark_new_vars_to_rename slightly earlier.
1760 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1762 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1764 (gen_compile_unit_die): Use new language types for Objective-C and
1766 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1767 DW_LANG_C_plus_plus.
1770 * config/t-darwin (crt3.o): Work around bug 26840.
1771 * config/darwin-crt3.c: Rewrite.
1772 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1774 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1776 * doc/invoke.texi: Document -femit-class-debug-always
1777 * common.opt: Add -femit-class-debug-always.
1779 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1781 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1782 index and base register.
1783 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1784 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1785 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1786 REGNO_OK_FOR_INDEX_P.
1787 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1789 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1790 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1791 REG_OK_FOR_BASE_P): Definitions removed.
1793 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1796 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1797 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1798 set yet or weren't marked as local yet.
1800 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1802 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1805 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1807 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1808 (rs6000_legitimate_small_data_p): Delete.
1809 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1810 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1811 and make static. Add forward declaration. Update uses.
1812 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1813 of offsettable_memref_p.
1814 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1815 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1817 2006-03-24 Jeff Law <law@redhat.com>
1819 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1820 around bug in immediate-use iterator.
1822 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1825 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1826 or __LITTLE_ENDIAN__.
1828 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1830 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1831 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1832 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1833 * config/sh/sh.opt (mdiv=): Amend description.
1834 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1835 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1836 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1837 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1838 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1839 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1840 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1841 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1842 TARGET_DIVIDE_CALL_FP.
1844 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1846 * haifa-sched.c (choose_ready): Fix type of the local variable.
1847 Move local variables. Add comment.
1848 (check_reg_live): Change signature. Make callable from debugger.
1849 * sched-int.h (check_reg_live): Update signature.
1850 * sched-ebb.c (check_reg_live): Update parameters.
1851 * sched-rgn.c (check_reg_live): Ditto.
1852 (region_head_or_leaf_p): Check pointer before dereferencing.
1853 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1854 before reload on optimization levels below 1.
1856 2006-03-23 Richard Henderson <rth@redhat.com>
1858 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1862 * config/alpha/predicates.md (local_symbolic_operand): Reject
1865 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1868 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1869 expressions which have overflowed constants.
1871 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1873 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1875 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1877 * cfgloopmanip.c (create_loop_notes): Removed.
1878 * final.c (final_scan_insn): Do not handle loop notes.
1879 * jump.c (squeeze_notes): Ditto.
1880 * cfglayout.c (skip_insns_after_block,
1881 duplicate_insn_chain): Ditto.
1882 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1884 * cfgloop.h (create_loop_notes): Declaration removed.
1886 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1888 * varasm.c (output_constant_pool): Restore fnname and fndecl
1890 (assemble_start_function): Adjust call accordingly.
1891 (assemble_end_function): Likewise.
1893 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1896 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1899 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1901 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1904 * system.h (ICE_EXIT_CODE): New macro.
1905 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1906 (diagnostic_action_after_output): Likewise.
1907 * gcc.c (fatal_ice): New function.
1908 (execute): Use it instead of fatal.
1909 (fancy_abort): Likewise.
1910 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1912 2006-03-22 Jeff Law <law@redhat.com>
1914 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1915 iv_analyze_result returning false.
1917 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1919 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1921 2006-03-22 Richard Henderson <rth@redhat.com>
1924 * except.c (duplicate_eh_regions_0): New.
1925 (duplicate_eh_region_1): Duplicate the children of the node as
1926 well as the node itself. Link them up properly.
1927 (duplicate_eh_region_2): Merge into ...
1928 (duplicate_eh_regions): ... here. Take copy_region argument, and
1929 copy only a sub-tree if asked. Simplify copying and fixup.
1930 (eh_region_outer_p): New.
1931 * except.h (duplicate_eh_regions): Update decl.
1932 (eh_region_outer_p): Declare.
1933 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1934 (lower_omp_master): Likewise.
1935 (lower_omp_ordered): Likewise.
1936 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1937 (move_stmt_r): Use it to remap labels. Handle recursion vs
1938 remap_decls_p properly.
1939 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1940 (find_outermost_region_in_block): New.
1941 (new_label_mapper): New.
1942 (move_sese_region_to_fn): Copy eh information to the new function
1944 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1946 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1949 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1951 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1952 into shared libraries.
1954 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1956 * doc/md.texi: Refer to i386/constraints.md instead of
1958 * config/i386/constraints.md: New file, extracted from...
1959 * config/i386/predicates.md: ...here.
1960 * config/i386/i386.md: Include constraints.md.
1962 2006-03-21 Jason Merrill <jason@redhat.com>
1964 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1967 * expr.c (init_block_move_fn): Force default visibility.
1968 (init_block_clear_fn): Likewise.
1969 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1970 * targhooks.c (default_external_stack_protect_fail): Likewise.
1972 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1974 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1975 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1976 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1977 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1978 (loadgp): Use mips_current_loadgp_style.
1979 (loadgp_noshared): New pattern.
1980 (sibcall_internal): Use MIPS_CALL.
1981 (sibcall_value_internal): Likewise.
1982 (sibcall_value_multiple_internal): Likewise.
1983 (call_internal): Likewise.
1984 (call_value_internal): Likewise.
1985 (call_value_multiple_internal): Likewise.
1986 (call_split): Use MIPS_CALL and add an 'S' constraint.
1987 (call_value_split): Likewise.
1988 (call_value_multiple_split): Likewise.
1989 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1990 (-mshared): New option.
1991 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1992 (mips_current_loadgp_style): Declare.
1993 * config/mips/mips.c (mips_classify_symbol): Avoid using
1994 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1995 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1996 TARGET_ABSOLUTE_ABICALLS.
1997 (override_options): Adjust comments. Improve the warning that is
1998 issued when -mabicalls and -G are used together.
1999 (mips_file_start): Remove comment.
2000 (mips_current_loadgp_style): New function.
2001 (mips_gnu_local_gp): New variable.
2002 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2004 (mips_output_function_prologue): Use mips_current_laodgp_style.
2005 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2006 the cprestore instruction.
2007 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2008 live for TARGET_ABSOLUTE_ABICALLS.
2009 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2010 (ASM_SPEC): Pass down -mshared and -mno-shared.
2011 (MIPS_CALL): New macro.
2012 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2014 * doc/invoke.texi (-mabicalls): Update documentation.
2015 (-mshared): Document.
2017 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2019 * config/ia64/unwind-hpux.c: New file.
2020 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2022 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2025 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2027 2006-03-21 Jeff Law <law@redhat.com>
2029 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2030 type conversions of a VR_VARYING source to a wider type.
2032 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2034 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2035 tm_file on Solaris 10 and later.
2036 (sparc64-*-solaris2*): Likewise.
2037 (sparc-*-solaris2*): Likewise.
2038 * config/sol26.h: Rename to config/sol2-6.h.
2039 * config/sol2-10.h: New file.
2041 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2044 * tree-ssa-pre.c (create_component_ref_by_pieces):
2047 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2050 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2051 return it immediately.
2053 2006-03-21 Michael Matz <matz@suse.de>
2055 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2057 (remove_arc, add_arc): Update num_out_arcs member.
2058 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2060 (cache_presence): New function.
2061 (compare_states_for_equiv): New function.
2062 (state_is_differed): Don't take number of outargs, adjust callers.
2063 Use new invariant for speeding up.
2064 (init_equiv_class): Create initial classes based on sorted
2066 (partition_equiv_class): Don't track out_arcs_num.
2067 (evaluate_equiv_classes): Call cache_presence on all states and
2070 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2072 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2073 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2074 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2075 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2077 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2078 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2079 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2080 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2081 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2083 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2084 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2085 (REGNO_REG_CLASS): ARGP is in PREGS.
2086 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2088 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2089 to deal with those addresses.
2090 * addresses.h: New file.
2091 * caller-save.c: Include "addresses.h".
2092 (init_caller_save): Use new base_reg_class function.
2093 * rtl-factoring.c: Include "addresses.h".
2094 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2095 * recog.c: Include "addresses.h".
2096 (preprocess_constraints): Use new base_reg_class function.
2097 * regrename.c: Include "addresses.h".
2098 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2099 functions. Keep track of a new var INDEX_CODE to compute valid
2101 (replace_oldest_value_addr): Likewise.
2102 (replace_oldest_value_mem): Use base_reg_class.
2103 * reload.c: Include "addresses.h".
2104 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2105 (find_reloads): Use new base_reg_class function.
2106 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2107 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2108 all callers and prototype changed.
2109 * reload1.c: Include "addresses.h".
2110 (maybe_fix_stack_asms): Use base_reg_class.
2111 * regclass.c: Include "addresses.h".
2112 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2113 (init_reg_autoinc): Use new base_reg_class function.
2114 (record_reg_classes): Likewise.
2115 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2116 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2117 Use new args to compute necessary class.
2119 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2120 regrename.o, rtl-factoring.o): Update dependencies.
2121 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2122 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2123 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2124 REG_OK_FOR_INDEX_P): Delete documentation.
2126 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2128 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2129 from V7 to V9 for Solaris 7 and above.
2131 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2133 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2134 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2135 argument pointers may not alias any other storage.
2136 * common.opt: Define option -fargument-noalias-anything.
2137 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2138 alias semantics is specified by flag_argument_noalias > 2.
2140 2006-03-20 Jeff Law <law@redhat.com>
2142 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2143 (pass_phi_only_cprop): Declare.
2144 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2146 * tree-ssa-dom.c (degenerate_phi_result): New function.
2147 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2148 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2149 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2150 (eliminate_degenerate_phis): Likewise.
2151 (pass_phi_only_cprop): New pass descriptor.
2152 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2153 support code. Callers updated.
2154 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2155 (store_copy_prop): Likewise.
2156 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2158 2006-03-20 Jason Merrill <jason@redhat.com>
2161 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2162 (push_visibility, pop_visibility): Likewise.
2163 * c-pragma.h: Declare them.
2165 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2167 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2169 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2170 parameter and use get_ebb_head_tail.
2171 (sh_md_init_global): Adjust uses of find_regmode_weight.
2173 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2175 * function.h (struct function) <x_tail_recursion_reentry>:
2176 Rename to x_stack_check_probe_note.
2177 (tail_recursion_reentry): Rename to stack_check_probe_note.
2178 * function.c: Replace tail_recursion_reentry with
2179 stack_check_probe_note everywhere.
2180 (expand_function_start): Only emit a note for
2181 stack_check_probe_note with -fstack-protect.
2182 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2184 * emit-rtl.c (remove_unnecessary_notes): Remove.
2185 (pass_remove_unnecessary_notes): Remove.
2186 * rtl.h (remove_unnecessary_notes): Remove prototype.
2187 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2188 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2189 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2191 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2194 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2195 (valid_in_set): Handle ARRAY_REF.
2196 Change "if min_variant or VH" to asserts.
2197 (create_component_ref_by_pieces): Handle ARRAY_REF.
2198 (create_expression_by_pieces): Likewise.
2199 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2201 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2203 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2204 is operand of switch, not str[0].
2206 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2208 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2209 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2211 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2213 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2214 end of insn_extra_address_constraint declaration.
2216 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2218 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2219 (no-sum-in-toc): Same.
2220 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2222 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2223 NO_FP_IN_TOC for -fPIC instead of mask.
2225 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2226 (BOOT_LDFLAGS): Delete.
2228 * config/rs6000/t-aix52: Same.
2230 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2231 (stmsi[345678]_power): New.
2233 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2235 * config/ia64/ia64.opt: Add empty line to end of file.
2237 2006-03-17 Richard Guenther <rguenther@suse.de>
2240 * builtins.c (get_pointer_alignment): For component style references
2241 adjust alignment to the component type alignment. Make sure
2242 to adjust alignment for component access of constants.
2244 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2246 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2249 2006-03-17 Paul Brook <paul@codesourcery.com>
2251 * doc/install.texi: Docuemnt --with-mode.
2252 * config.gcc: Add --with-mode for arm*-*-*.
2253 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2255 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2257 * sh.c (max_labelno_before_reorg): New variable.
2258 (sh_reorg): Initialize it.
2259 (find_barrier): Check max_labelno_before_reorg before using
2260 label_to_alignment. Take length of explicit alignment insns
2261 into account. When seeing a UNSPECV_CONST_END, return it.
2263 * sh.c (fixup_mova): Set mode of affected label to QImode.
2264 (untangle_mova): New function.
2265 (find_barrier): Use it. Check mode of label before decrementing
2267 (sh_reorg): Likewise.
2268 Set mode of all insns back to VOIDmode.
2270 * sh.c (MOVA_LABELREF): New macro.
2271 (mova_p, fixup_mova, sh_reorg): Use it.
2272 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2273 ADDR_DIFF_VEC matches mova.
2275 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2277 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2278 with ATTRIBUTE_UNUSED.
2280 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2282 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2283 pointer, instead of assuming it is possible to derive the
2284 correct args size from a call insn.
2286 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2288 * rtl.h (CONST_INT_P): Define.
2289 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2290 instead of GET_CODE(x) == CONST_INT.
2291 (vax_rtx_costs): Likewise.
2292 (vax_output_int_move): Likewise.
2293 (vax_output_int_add): Likewise.
2294 (legitimate_constant_address_p): Likewise.
2295 (index_term_p): Likewise.
2296 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2297 * config/vax/vax.md (and<mode>3): Likewise.
2298 (ashrsi3): Likewise.
2300 (movstricthi): Likewise.
2301 (movstrictqi): Likewise.
2302 (rotrsi3): Likewise.
2303 (five unnamed insns): Likewise.
2305 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2307 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2308 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2309 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2310 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2311 Pass to ASM_OUTPUT_DWARF_OFFSET.
2312 * dwarf2out.c (debug_frame_section): New.
2313 (output_call_frame_info): Use debug_frame_section. Pass it to
2314 dw2_asm_output_offset.
2315 (output_die): Pass appropriate section to dw2_asm_output_offset.
2316 (output_compilation_unit_header): Likewise.
2317 (output_pubnames): Likewise.
2318 (output_aranges): Likewise.
2319 (enum dw_val_class): Break dw_val_class_lbl_offset into
2320 dw_val_class_lineptr and dw_val_class_macptr.
2321 (add_AT_lbl_offset): Delete.
2322 (add_AT_lineptr): New.
2323 (add_AT_macptr): New.
2324 (AT_lbl): Expect a lineptr or macptr.
2325 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2326 (attr_checksum): Likewise.
2327 (same_dw_val_p): Likewise.
2328 (size_of_die): Likewise.
2329 (value_format): Likewise.
2330 (output_die): Likewise.
2331 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2333 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2334 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2335 * config/darwin-protos.h (darwin_file_start): New.
2336 (darwin_asm_output_dwarf_offset): New.
2337 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2338 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2340 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2341 if not EH section; simplify.
2342 (darwin_file_start): New.
2343 (darwin_asm_output_dwarf_offset): New.
2344 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2346 (DEBUG_INFO_SECTION): Likewise.
2347 (DEBUG_ABBREV_SECTION): Likewise.
2348 (DEBUG_ARANGES_SECTION): Likewise.
2349 (DEBUG_MACINFO_SECTION): Likewise.
2350 (DEBUG_LINE_SECTION): Likewise.
2351 (DEBUG_LOC_SECTION): Likewise.
2352 (DEBUG_PUBNAMES_SECTION): Likewise.
2353 (DEBUG_STR_SECTION): Likewise.
2354 (DEBUG_RANGES_SECTION): Likewise.
2355 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2356 (ASM_OUTPUT_DWARF_OFFSET): New.
2358 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2360 * config.gcc (tm_defines): Always add to previous value rather
2363 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2365 * config/mips/predicates.md (splittable_const_int_operand): New,
2366 split from move_operand.
2367 (splittable_symbolic_operand): New.
2368 (move_operand): Add commentary. Use splittable_const_int_operand.
2369 Inline mips_atomic_symbolic_constant_p.
2370 * config/mips/mips.md: Add combine splitters for handling moves
2371 of splittable_const_int_operands and splittable_symbolic_operands.
2372 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2373 (mips_split_symbol): Declare.
2374 (mips_move_integer): Declare.
2375 * config/mips/mips.c (mips_split_p): Make global.
2376 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2377 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2378 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2379 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2380 (mips_offset_within_object_p): Handle block symbols.
2381 (mips_atomic_symbolic_constant_p): Delete.
2382 (mips_cannot_force_const_mem): Return false for constants that
2383 mips_legitimize_move can handle.
2384 (mips_use_blocks_for_constant_p): New function.
2385 (mips_split_symbol): Make global.
2386 (mips_move_integer): Likewise. Add a temporary register argument.
2387 (mips_legitimize_const_move): Use splittable_const_int_operand and
2388 splittable_symbolic_operand.
2389 (mips_use_anchors_for_symbol_p): New function.
2390 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2391 (mips_split_p): Declare.
2393 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2395 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2396 (mips*-*-linux*): Likewise.
2398 2006-03-16 Roger Sayle <roger@eyesopen.com>
2399 Daniel Speyer <dspeyer@wam.umd.edu>
2402 * tree-dump.c (dump_real): New function.
2403 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2404 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2405 (tree-dump.o): Add $(REAL_H) to the dependencies.
2407 2006-03-16 Roger Sayle <roger@eyesopen.com>
2410 * real.c (real_from_string): If the mantissa is zero, don't bother
2411 parsing the exponent as the result should always be zero.
2413 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2415 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2417 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2419 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2420 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2421 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2422 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2423 ia64_sched_finish_global): New static functions to implement
2424 hooks from gcc_target.sched.
2425 (spec_check_no, max_uid, pending_data_specs): New static variables.
2426 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2427 ia64_spec_check_src_p): New static functions.
2428 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2429 (TARGET_SCHED_ADJUST_COST): Removed.
2430 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2431 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2432 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2433 TARGET_SCHED_GEN_CHECK,
2434 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2435 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2436 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2437 Fixed to handle speculation checks.
2438 (rtx_needs_barrier): Fixed to handle speculative loads and
2440 (ia64_variable_issue): Added code to count speculative loads and their
2442 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2444 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2446 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2448 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2449 (ia64_reorg): Reset stops_p to NULL after it is freed.
2450 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2451 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2452 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2454 (data_speculative, control_speculative, check_load): New attributes.
2455 (mov<mode>_advanced, mov<mode>_speculative,
2456 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2457 zero_extend<mode>di2_speculative,
2458 zero_extend<mode>di2_speculative_advanced): New patterns for
2459 data and control speculative loads.
2460 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2462 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2463 New pattern for data and control speculation checks.
2464 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2465 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2466 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2467 Auxiliary definitions for the patterns.
2468 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2469 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2471 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2473 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2474 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2475 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2476 New resource constraints.
2477 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2479 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2480 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2481 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2482 msched-in-control-spec, msched-ldc, msched-control-ldc,
2483 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2484 msched-prefer-non-control-spec-insns,
2485 msched-count-spec-in-critical-path): New flags to tune speculative
2487 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2488 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2489 msched-in-control-spec, msched-ldc, msched-control-ldc,
2490 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2491 msched-prefer-non-control-spec-insns,
2492 msched-count-spec-in-critical-path): Document new flags.
2494 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2496 * target.h (struct spec_info_def): New opaque declaration.
2497 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2498 speculate_insn, needs_block_p, gen_check,
2499 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2500 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2501 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2502 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2503 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2504 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2506 (TARGET_SCHED): Use new macros.
2507 * rtl.h (copy_DEPS_LIST_list): New prototype.
2508 * sched-int.h (struct sched_info): Change signature of new_ready field,
2509 adjust all initializations. New fields: add_remove_insn,
2510 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2511 region_head_or_leaf_p.
2512 (struct spec_info_def): New structure declaration.
2513 (spec_info_t): New typedef.
2514 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2515 recovery_block, orig_pat.
2516 (glat_start, glat_end): New variables declaraions.
2517 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2519 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2520 DETACH_LIFE_INFO, USE_GLAT.
2521 (enum SPEC_SCHED_FLAGS): New enumeration.
2522 (NOTE_NOTE_BB_P): New macro.
2523 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2524 attach_life_info, debug_spec_status, check_reg_live): New functions.
2525 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2526 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2528 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2529 * ddg.c (get_block_head_tail): Adjust all uses.
2530 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2531 (sms_sched_info): Initialize new fields.
2532 (contributes_to_priority): Removed.
2533 * haifa-sched.c (params.h): New include.
2534 (get_block_head_tail): Adjust all uses.
2535 (ISSUE_POINTS): New macro.
2536 (glat_start, glat_end): New global variables.
2537 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2538 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2539 old_last_basic_block, before_recovery, current_sched_info_var,
2540 rgn_n_insns, luid): New static variables.
2541 (insn_cost1): New function. Move logic from insn_cost to here.
2542 (find_insn_reg_weight1): New function. Move logic from
2543 find_insn_reg_weight to here.
2544 (reemit_notes, move_insn, max_issue): Change signature.
2545 (move_insn1): Removed.
2546 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2547 extend_bb): New static functions to support extension of scheduler's
2549 (generate_recovery_code, process_insn_depend_be_in_spec,
2550 begin_speculative_block, add_to_speculative_block,
2551 init_before_recovery, create_recovery_block, create_check_block_twin,
2552 fix_recovery_deps): New static functions to support
2553 generation of recovery code.
2554 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2555 restore_bb_notes, move_block_after_check, move_succs): New static
2556 functions to support ebb scheduling.
2557 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2558 functions to support handling of register live information.
2559 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2560 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2561 add_jump_dependencies): New static functions.
2562 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2563 consistancy checking.
2564 (debug_spec_status): New function to call from debugger.
2565 (priority): Added code to handle speculation checks.
2566 (rank_for_schedule): Added code to distinguish speculative instructions.
2567 (schedule_insn): Added code to handle speculation checks.
2568 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2569 Fixed to handle ebbs.
2570 (move_insn): Added code to handle ebb scheduling.
2571 (max_issue): Added code to use ISSUE_POINTS of instructions.
2572 (choose_ready): Added code to choose between speculative and
2573 non-speculative instructions.
2574 (schedule_block): Added code to handle ebb scheduling and scheduling of
2575 speculative instructions.
2576 (sched_init): Initialize new variables.
2577 (sched_finish): Free new variables. Print statistics.
2578 (try_ready): Added code to handle speculative instructions.
2579 * lists.c (copy_DEPS_LIST_list): New function.
2580 * sched-deps.c (extend_dependency_caches): New function. Move logic
2581 from create_dependency_caches to here.
2582 (get_dep_weak, ds_merge): Make global.
2583 * genattr.c (main): Code to output prototype for
2584 dfa_clear_single_insn_cache.
2585 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2586 (output_dfa_clean_insn_cache_func): Code to output
2587 dfa_clear_single_insn_cache function.
2588 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2590 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2592 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2593 New static variables.
2594 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2595 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2597 (ebb_sched_info): Initialize new fields.
2598 (get_block_head_tail): Adjust all uses.
2599 (compute_jump_reg_dependencies): Fixed to use glat_start.
2600 (schedule_ebb): Code to remove unreachable last block.
2601 (schedule_ebbs): Added code to update register live information.
2602 * sched-rgn.c (region_sched_info): Initialize new fields.
2603 (get_block_head_tail): Adjust all uses.
2604 (last_was_jump): Removed. Adjust users.
2605 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2606 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2607 Implement new hooks.
2608 (check_dead_notes1): New static function.
2609 (struct region): New fields: dont_calc_deps, has_real_ebb.
2610 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2611 (BB_TO_BLOCK): Fixed to handle EBBs.
2612 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2613 (ebb_head): New static variable.
2614 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2615 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2617 (compute_dom_prob_ps): New assertion.
2618 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2619 global_live_at_start.
2620 (init_ready_list): New assertions.
2621 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2622 (new_ready): Add support for BEGIN_CONTROL speculation.
2623 (schedule_insns): Fixed code that updates register live information
2625 (schedule_region): Fixed to handle EBBs.
2626 (init_regions): Use extend_regions and check_dead_notes1.
2627 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2628 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2629 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2630 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2631 TARGET_SCHED_GEN_CHECK,
2632 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2633 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2634 * doc/invoke.texi (max-sched-insn-conflict-delay,
2635 sched-spec-prob-cutoff): Document.
2637 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2639 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2640 inter_tick, queue_index.
2641 (struct sched_info): Change signature of init_ready_list field.
2642 Adjust all initializations.
2643 (RESOLVED_DEPS): New access macro.
2644 (ready_add): Remove prototype.
2645 (try_ready): Add prototype.
2646 * sched-rgn.c (init_ready_list): Use try_ready.
2647 (schedule_region): Initialize
2648 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2649 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2650 (init_ready_list): Use try_ready.
2651 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2652 * lists.c (remove_list_elem): Remove `static'.
2653 (remove_free_INSN_LIST_elem): New function.
2654 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2655 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2656 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2658 (readyp): New variable.
2659 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2660 change_queue_index, resolve_dep): New static functions.
2661 (try_ready): New function. Adjust callers in sched-rgn.c and
2662 sched-ebb.c to use it instead of ready_add.
2663 (clock_var): Move at the begining of file.
2664 (rank_for_schedule): Fix typo.
2665 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2666 (ready_lastpos): Enforce assertion.
2667 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2669 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2670 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2671 (queue_to_ready): Use free_INSN_LIST_list.
2672 (early_queue_to_ready): Fix typo.
2673 (schedule_block): Init readyp. Move init_ready_list call after the
2674 initialization of clock_var. Fix error in rejecting insn by
2675 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2676 that previously corrected INSN_TICKs. Add code for handling
2678 (set_priorities): Fix typo.
2679 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2680 Clarify comment and code that keeps current_sched_info->next_tail
2683 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2685 * sched-rgn.c (extend_rgns): New static function.
2686 (find_rgns): Use it.
2687 (gather_region_statistics, print_region_statistics): New static
2689 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2690 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2692 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2693 Andrey Belevantsev <abel@ispras.ru>
2695 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2696 * lists.c (unused_deps_list): New variable.
2697 (free_list): Add assertions to verify the proper distinguishing
2698 between INSN_LISTs and DEPS_LISTs.
2699 (find_list_elem, remove_list_elem, remove_list_node): New static
2701 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2702 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2703 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2704 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2706 (free_INSN_LIST_node): Likewise.
2707 * modulo-sched.c (current_sched_info): Initialize flags field.
2708 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2709 * rtl.def (DEPS_LIST): Define.
2710 * rtl.h: Declare new functions from lists.c.
2711 * sched-deps.c (spec_dependency_cache): New static variable.
2712 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2713 (add_dependence): Change return type to void. Move the logic to ...
2714 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2715 (delete_all_dependences): Add comment about forward_dependency_cache.
2716 Handle spec_dependency_cache. Handle DEPS_LISTs.
2717 (fixup_sched_groups): Clarify the change of priority of output
2718 and anti dependencies.
2719 (sched_analyze_2): Adjust add_dependence calls to create data
2720 speculative dependence.
2721 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2722 Adjust all callers. Handle DEPS_LISTS.
2723 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2724 presence of speculation.
2725 (init_dependency_caches, free_dependency_caches):
2726 Handle spec_dependency_cache.
2727 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2728 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2729 New static functions.
2730 (add_or_update_back_dep, add_or_update_back_forw_dep,
2731 add_back_forw_dep, delete_back_forw_dep): New functions.
2732 * sched-int.h (ds_t, dw_t): New typedefs.
2733 (struct sched_info): Add new field flags.
2734 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2735 Prototype new sched-deps.c functions.
2736 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2737 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2738 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2739 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2740 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2741 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2743 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2745 * sched-rgn.c (current_sched_info): Initialize flags field.
2746 (schedule_insns): Initialize current_sched_info before the sched_init
2748 * sched-ebb.c (current_sched_info): Initialize flags field.
2749 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2750 Call add_or_update_back_dep instead of add_dependence.
2751 Create control speculative dependencies.
2752 (schedule_insns): Initialize current_sched_info before the sched_init
2755 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2757 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2759 (sh_fallback_frame_state): Likewise.
2761 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2763 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2764 Do switch on default_use_cxa_atexit.
2765 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2766 * config/darwin-crt3.o: New.
2767 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2768 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2769 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2771 * config/rs6000/t-darwin: Move crt2.o building to here.
2772 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2773 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2776 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2778 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2779 from '! xxx' to '!xxx' for coding-style conformance.
2780 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2781 (EXTRA_CONSTRAINT): Likewise.
2782 * config/vax/vax.md (four unnamed insns): Likewise.
2784 2006-03-15 Paul Brook <paul@codesourcery.com>
2786 * config/arm/arm.c (minipool_pad): New.
2787 (add_minipool_forward_ref): Include pool alignment padding in address
2789 (push_minipool_fix): Set minipool_pad.
2790 (minipool_pad): Ditto.
2792 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2794 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2795 instead of GET_CODE() == MEM and REG_P() instead of
2797 (print_operand_address): Likewise.
2798 (vax_address_cost): Likewise.
2799 (vax_rtx_costs): Likewise.
2800 (vax_notice_update_cc): Likewise.
2801 (vax_output_int_add): Likewise.
2802 (INDEX_REGISTER_P): Likewise.
2803 (BASE_REGISTER_P): Likewise.
2804 (nonindexed_address_p): Likewise.
2805 (vax_mode_dependent_address_p): Likewise.
2806 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2807 (PRINT_OPERAND): Likewise.
2808 * config/vax/vax.md (ashlsi3): Likewise.
2809 (ashlsi3): Likewise.
2810 (some more unnamed insns): Likewise.
2812 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2814 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2815 iterator-style macro.
2816 (mark_control_dependent_edges_necessary): Update the use of
2817 EXECUTE_IF_CONTROL_DEPENDENT.
2819 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2821 * config/sh/predicates.md (cache_address_operand): Special.
2822 (ua_address_operand): Likewise.
2824 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2826 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2828 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2830 2006-03-15 Andreas Schwab <schwab@suse.de>
2832 * gensupport.c (identify_predicable_attribute): Don't free p_false
2833 when it is still in use.
2835 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2837 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2838 the default setting here.
2840 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2842 * tree-pass.h (pass_cfg): Remove.
2843 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2844 * passes.c (pass_cfg): Don't run it.
2846 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2848 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2849 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2851 (stack_regs_mentioned): Update the uses of
2852 stack_regs_mentioned_data. Don't access the array beyond its
2854 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2855 Don't include gt-reg-stack.h.
2857 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2858 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2860 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2863 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2866 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2868 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2870 2006-03-14 Richard Guenther <rguenther@suse.de>
2872 PR tree-optimization/26672
2873 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2876 2006-03-14 Richard Guenther <rguenther@suse.de>
2878 PR tree-optimization/26667
2879 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2880 node for the callees. Always allow inlining if it will shrink
2883 2006-03-14 Richard Guenther <rguenther@suse.de>
2886 * builtins.c (get_pointer_alignment): Prefer alignment
2887 information from decls over that from types.
2889 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2892 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2894 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2896 * config/rs6000/rs6000.opt (mdlmzb): New option.
2897 (msched-prolog, msched-epilog): Use Var not Mask.
2898 * doc/invoke.texi (-mdlmzb): Document.
2899 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2901 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2902 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2904 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2906 PR rtl-optimization/25739
2907 * bt-load.c (augment_live_range): Free tos pointer.
2909 * gensupport.c (identify_predicable_attribute): Free
2911 * gcov.c (create_file_names): Free name pointer.
2913 2006-03-13 Roger Sayle <roger@eyesopen.com>
2916 * stmt.c (emit_case_nodes): Handle the case where the index is a
2917 CONST_INT, where the comparison mode is specified by the index type.
2919 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2921 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2924 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2926 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2927 (*branch_fp_inverted): Likewise.
2929 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2932 * omp-low.c (expand_omp_for_generic): Mark istart0
2933 and iend0 as addressable.
2935 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2937 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2939 2006-03-13 Jeff Law <law@redhat.com>
2941 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2942 virtual operands are interesting.
2943 (vrp_visit_stmt): Corresponding changes.
2945 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2947 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2949 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2950 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2951 * config/bfin/crti.S: Use it instead of __PIC__.
2952 * config/bfin/crtn.S: Likewise.
2954 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2955 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2957 Lose 'G' modifier for call operand.
2958 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2959 recognize 'G' modifier.
2961 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2964 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2965 * stmt.c (expand_case): Likewise.
2967 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2969 PR rtl-optimization/26254
2970 * loop-invariant.c (seq_insns_valid_p): New function.
2971 (move_invariant_reg): Only emit new code if it is valid.
2973 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2975 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2977 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2978 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2979 (commit_one_edge_insertion): Do not look for loop notes.
2981 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2983 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2984 flag_test_coverage out of loop.
2986 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2988 * final.c (shorten_branches): Remove outdated comment, and turn
2989 the if branch that guards it to continue.
2991 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2993 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2994 * cfgloop.h (struct loop): Remove unused fields.
2996 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2998 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2999 (-dL, -fdump-rtl-loop2): Update the dump file names
3001 * doc/invoke.texi: Update dump file names.
3003 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3005 * predict.c (estimate_probability): Remove.
3006 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3007 * basic-block.h (estimate_probability): Remove prototype.
3008 * passes.c (finish_optimization_passes): Dump branch prediction or
3009 profiling heuristics to the .profile tree dump.
3010 (init_optimization_passes): Unqueue pass_branch_prob.
3012 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3014 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3016 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3017 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3019 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3021 * function.h (frame_offset_overflow): Declare.
3022 * function.c (frame_offset_overflow): New function.
3023 (assign_stack_local_1): Call it to detect that the offset overflows.
3024 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3026 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3028 * config/sh/sh.c: Include alloc-pool.h.
3029 (label_ref_list_pool): New alloc pool.
3030 (label_ref_list_t): New type for lists of labels.
3031 (struct pool_node): Make wend a label_ref_list_t.
3032 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3034 (dump_table): Likewise.
3035 (sh_reorg): Set up the alloc pool before using add_constant and
3036 dump_table, and destroy it when finishing.
3038 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3040 * config/mips/mips.c: Remove redundant comment.
3042 2006-03-10 Jason Merrill <jason@redhat.com>
3045 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3046 the target was declared 'register'.
3048 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3050 * genpreds.c (write_insn_constraint_len): Change definition of
3051 insn_constraint_len to return size_t to match the declaration.
3053 2006-03-10 DJ Delorie <dj@redhat.com>
3055 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3057 (m32c_expand_insv): Fix test for an AND mask.
3059 2006-03-10 Richard Guenther <rguenther@suse.de>
3062 * builtins.c (get_pointer_alignment): Handle component
3063 references for field alignment.
3065 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3067 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3068 when building with libgloss.
3069 (sh*elf): Implement --without-fp option.
3070 (sh64-superh-linux*): Don't multilib.
3072 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3074 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3076 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3078 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3079 Set it when one of the replacement functions returned true.
3080 Return TODO_cleanup_cfg if cfgchanged is true.
3081 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3083 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3085 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3086 instead of gen_lowpart.
3088 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3090 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3092 (mips_output_order_conditional_branch): Declare.
3093 * config/mips/mips.h (MIPS_BRANCH): New macro.
3094 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3095 for the comparison. Use gen_condjump.
3096 (mips_output_conditional_branch): Rework interface to take the
3097 asm templates for a direct branch and the inverse of a direct branch.
3098 (mips_output_order_conditional_branch): New function.
3099 (mips_builtin_branch_and_move): New function.
3100 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3101 branch condition. Use gen_single_cc as the condition for
3102 __builtin_mips_upper_* or __builtin_mips_lower_*.
3103 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3104 Use VOIDmode for the branch condition.
3105 * config/mips/predicates.md (order_operator): New predicate.
3106 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3107 (branch_fp): Rename to...
3108 (*branch_fp): ...this. Remove mode from comparison operator.
3109 Use new mips_output_conditional_branch interface.
3110 (branch_fp_inverted): Rename to...
3111 (*branch_fp_inverted): ...this and update as for *branch_fp.
3112 (*branch_zero<mode>): Rename to...
3113 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3114 Use mips_output_order_conditional_branch. Only accept ordered
3116 (*branch_zero<mode>_inverted): Rename to...
3117 (*branch_order<mode>_inverted): ...this and update as for
3118 *branch_order<mode>.
3119 (*branch_equality<mode>): Accept zero as the second operand to
3120 the equality operator. Use the new mips_output_conditional_branch
3122 (*branch_equality<mode>_inverted): Likewise.
3123 (condjump): New expander.
3124 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3126 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3127 (bc1any2t, bc1any2f): Likewise.
3128 (single_cc): New expander.
3129 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3131 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3133 * doc/md.texi: Update documentation of MIPS constraints.
3134 * config/mips/constraints.md: New file.
3135 * config/mips/mips.md: Include it.
3136 * config/mips/mips.c (mips_char_to_class): Delete.
3137 (override_options): Don't initialize mips_char_to_class.
3138 * config/mips/mips.h (mips_char_to_class): Delete.
3139 (REG_CLASS_FROM_LETTER): Delete.
3140 (CONST_OK_FOR_LETTER_P): Delete.
3141 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3142 (EXTRA_CONSTRAINT_Y): Delete.
3143 (EXTRA_CONSTRAINT_STR): Delete.
3144 (CONSTRAINT_LEN): Delete.
3145 (EXTRA_MEMORY_CONSTRAINT): Delete.
3147 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3149 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3150 original fn's eh regions.
3152 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3154 * fold-const.c (build_range_check): Make sure to use a valid type to
3155 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3158 (range_predecessor): New static function.
3159 (range_successor): Likewise.
3160 (merge_ranges): Use them to compute predecessors and successors of
3163 2006-03-09 Roger Sayle <roger@eyesopen.com>
3166 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3167 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3169 2006-03-08 DJ Delorie <dj@redhat.com>
3171 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3172 (addpsi3): Expand to include memory operands. Remove
3173 reload-specific splits.
3174 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3175 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3176 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3177 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3178 (shift1_qi, shift1_hi, insv): New.
3179 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3180 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3181 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3183 * config/m32c/m32c-protos.h: Update as needed.
3184 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3185 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3186 Fail for unrecognized R* constraints.
3187 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3188 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3189 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3191 (m32c_init_libfuncs): New.
3192 (m32c_legitimate_address_p): Add debug wrapper.
3193 (m32c_rtx_costs): New.
3194 (m32c_address_cost): New.
3195 (conversions): Add 'B' prefix.
3196 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3197 operands, or word regnames for QI operands. 'B' prints bit
3199 (m32c_expand_setmemhi): New.
3200 (m32c_expand_movmemhi): New.
3201 (m32c_expand_movstr): New.
3202 (m32c_expand_cmpstr): New.
3203 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3204 (m32c_expand_neg_mulpsi3): Handle non-ints.
3205 (m32c_cmp_flg_0): New.
3206 (m32c_expand_movcc): New.
3207 (m32c_expand_insv): New.
3208 (m32c_scc_pattern): New.
3209 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3210 a0/a1 out of SIregs.
3211 (STORE_FLAG_VALUE): New.
3212 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3215 * config/m32c/mov.md: Make constraints more liberal.
3216 (zero_extendqihi2): Optimize r0/r1 case.
3217 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3218 * config/m32c/predicates.md (m32c_any_operand): New.
3219 (m32c_nonimmediate_operand): New.
3220 (m32c_hl_operand): New.
3221 (m32c_r3_operand): New.
3224 (memsym_operand): New.
3225 (memimmed_operand): New.
3226 (a_qi_operand): New.
3227 (m32c_eqne_operator): New.
3228 (m32c_1bit8_operand): New.
3229 (m32c_1bit16_operand): New.
3230 (m32c_1mask8_operand): New.
3231 (m32c_1mask16_operand): New.
3232 * config/m32c/blkmov.md: New file.
3233 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3235 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3237 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3238 unsigned to fix signed/unsigned comparison issue in
3239 DWARF2_FRAME_REG_OUT.
3240 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3241 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3243 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3244 of ptr into the ENABLE_CHECKING section.
3246 2006-03-08 Jeff Law <law@redhat.com>
3248 * tree-vrp.c (infer_value_range): Only count pointer uses
3249 and dereferences if -fdelete-null-pointer-checks is enabled.
3251 * tree-vrp.c (find_assert_locations): Infer value ranges for
3252 single use pointers, but do not create ASSERT_EXPRs for them.
3253 When a non-null range is inferred for a pointer, backwards
3254 propagate that range to other equivalent pointers through the
3257 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3260 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3261 language hook targets.
3262 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3263 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3264 if language hook targets were missing.
3266 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3268 * tree-ssa-opfinalize.h: Removed.
3269 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3271 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3272 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3273 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3274 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3275 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3276 finalize_ssa_v_must_def_ops): New.
3278 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3280 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3283 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3285 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3287 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3288 addresses with offsets; reorganize.
3290 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3291 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3292 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3294 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3297 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3299 2006-03-08 Ben Elliston <bje@au.ibm.com>
3301 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3303 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3306 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3309 2006-03-07 Richard Guenther <rguenther@suse.de>
3311 PR tree-optimization/26587
3312 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3314 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3316 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3318 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3320 * hooks.c (hook_bool_mode_rtx_true): New function.
3321 * hooks.h (hook_bool_mode_rtx_true): Declare.
3322 * toplev.c (compile_file): Call output_shared_constant_pool.
3323 * varasm.c (shared_constant_pool): New variable.
3324 (assemble_start_function, assemble_end_function): Remove arguments
3325 from call to output_constant_pool.
3326 (create_constant_pool): New function, split out from...
3327 (init_varasm_status): ...here.
3328 (force_const_mem): Choose between the shared and per-function constant
3329 pools. Set current_function_uses_const_pool when reusing old entries
3330 as well as when creating new ones.
3331 (mark_constant): Ignore data argument.
3332 (mark_constants): Remove pool argument.
3333 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3334 to decide whether the function uses a constant pool.
3335 (output_constant_pool_contents): New function, split out from...
3336 (output_constant_pool): ...here.
3337 (output_shared_constant_pool): New function.
3338 (init_varasm_once): Initialize shared_constant_pool.
3339 * output.h (output_constant_pool): Delete.
3340 (output_shared_constant_pool): Declare.
3341 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3342 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3344 2006-03-06 Nick Clifton <nickc@redhat.com>
3346 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3347 flag_strength_reduce.
3349 2006-03-06 Ben Elliston <bje@au.ibm.com>
3351 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3352 x86_64-*-linux* configurations.
3354 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3355 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3357 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3359 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3361 * basic-block.h: Remove the extern for
3362 rediscover_loops_after_threading.
3364 * cfgloop.c (cancel_loop): Make it static.
3365 * cfgloop.h: Remove the prototype for cancel_loop.
3367 * flow.c (recompute_reg_usage): Make it static.
3368 * rtl.h: Remove the prototype for recompute_reg_usage.
3370 * function.c (use_return_register): Make it static.
3371 * function.h: Remove the prototype.
3373 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3375 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3377 * recog.h: Remove the prototype for
3378 validate_change_maybe_volatile.
3380 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3382 * rtlanal.c (replace_reg): Remove.
3383 * rtl.h: Remove the prototype for replace_reg.
3385 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3387 * regclass.c (reg_scan_update): Remove.
3388 (reg_scan_mark_refs): Remove the last argument.
3389 * rtl.h: Remove the prototype for reg_scan_update.
3391 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3393 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3394 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3395 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3396 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3397 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3398 loop-invariant.c, omp-low.c, opts.c, passes.c,
3399 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3400 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3401 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3402 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3403 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3404 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3406 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3408 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3409 * dwarf2out.h: Remove the prototype for
3410 dwarf2out_add_library_unit_info.
3412 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3414 * tree.c (add_var_to_bind_expr): Remove.
3415 * tree.h: Remove the prototype for add_var_to_bind_expr.
3417 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3419 * regclass.c (n_non_fixed_regs): Remove.
3420 (init_reg_sets_1, globalize_reg): Remove all uses of
3422 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3424 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3426 * rtlanal.c (insns_safe_to_move_p): Remove.
3427 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3429 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3431 * expmed.c (expand_mult_add): Remove.
3432 * expr.h: Remove the prototype for expand_mult_add.
3434 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3436 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3437 and REG_SAVED_VAL_EXP constants.
3438 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3439 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3440 Handle regs stored by value.
3441 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3442 (execute_cfa_program): Handle DW_CFA_val_offset,
3443 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3444 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3445 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3446 (uw_install_context_1): Handle target regs stored by value.
3448 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3450 * tree-sra.c (tree_sra): Return todoflags;
3451 (generate_one_element): Set TODO_update_smt_usage if needed.
3452 (pass_sra): Remove TODO_update_smt_usage.
3453 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3455 (tree_ssa_forward_propagate_single_use_vars): Return
3456 TODO_update_smt_usage if we need to update SMT usage.
3457 (pass_forwprop): Remove TODO_update_smt_usage.
3459 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3461 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3462 (correct_use_link): Remove reference to get_stmt_operands.
3463 (update_stmt_operands): Likewise.
3464 (get_modify_expr_operands): New function factored out of
3465 parse_ssa_operands and get_expr_operands.
3466 Try to create V_MUST_DEFs for LHS by default.
3467 (get_expr_operands) <case MODIFY_EXPR>: Call
3468 get_modify_expr_operands.
3469 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3470 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3471 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3472 get_modify_expr_operands.
3474 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3476 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3477 * tree-flow.h: Remove the prototype for
3478 referenced_var_lookup_if_exists.
3480 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3482 PR rtl-optimization/26345
3484 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3486 2006-03-03 Roger Sayle <roger@eyesopen.com>
3488 PR tree-optimization/26524
3489 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3490 fold_convert to create a constant of the appropriate type.
3492 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3494 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3495 SYMBOL_REF_IN_BLOCK_P.
3496 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3497 of SYMBOL_FLAG_IN_BLOCK.
3498 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3499 instead of SYMBOL_REF_IN_BLOCK_P.
3500 * explow.c (use_anchored_address): Likewise.
3501 * rtl.c (rtx_size): Likewise.
3502 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3503 instead of SYMBOL_FLAG_IN_BLOCK.
3504 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3505 SYMBOL_REF_IN_BLOCK_P.
3506 (assemble_variable): Likewise.
3507 (output_constant_def_contents): Likewise.
3508 (output_constant_pool): Likewise.
3509 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3510 instead of SYMBOL_FLAG_IN_BLOCK.
3511 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3512 SYMBOL_REF_IN_BLOCK_P.
3513 (SYMBOL_REF_BLOCK): Likewise.
3514 (SYMBOL_REF_OFFSET): Likewise.
3515 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3516 SYMBOL_REF_IN_BLOCK_P.
3517 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3518 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3519 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3520 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3522 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3524 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3526 2006-03-02 Roger Sayle <roger@eyesopen.com>
3528 * simplify-rtx.c (simplify_unary_operation): When simplifying
3529 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3530 that we perform the right shift in the appropriate mode, and
3531 then extend or truncate the result to requested mode.
3533 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3535 * gengtype.c (main): Handle double_int type.
3536 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3537 * double-int.c: New file.
3538 * double-int.h: New file.
3539 * system.h: Include doubleint.h.
3540 * Makefile.in (SYSTEM_H): Include double-int.h.
3541 (double-int.o): Add.
3543 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3546 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3549 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3551 * tree-vrp.c (remove_range_assertions): Do not update statements
3554 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3556 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3558 * gcse.c (rest_of_handle_gcse): Ditto.
3559 * except.c (gate_handle_eh): Ditto.
3560 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3561 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3563 2006-03-02 Eric Christopher <echristo@apple.com>
3565 * config/i386/i386.c (machopic_output_stub): Add indirection to
3568 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3572 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3574 Sun Niagara specific optimizations.
3575 * config.gcc: Recognize niagara as target.
3576 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3577 (TARGET_CPU_niagara): Define.
3578 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3579 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3580 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3581 (ASM_CPU_SPEC): Likewise.
3582 (PROCESSOR_NIAGARA): New enum entry.
3583 (REGISTER_MOVE_COST): Handle Niagara.
3584 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3585 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3586 (sparc_override_options): Recognize "niagara", set appropriate
3587 default MASK_* values for it, and align functions to 32-bytes
3588 by default just like ULTRASPARC/ULTRASPARC3.
3589 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3590 (sparc64_initialize_trampoline): Likewise.
3591 (sparc_use_sched_lookahead): Use zero for niagara.
3592 (sparc_issue_rate): Use one for niagara.
3593 * config/sparc/niagara.md: New file.
3594 * config/sparc/sparc.md: Include it.
3595 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3596 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3597 when default cpu is niagara.
3598 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3599 (ASM_CPU_SPEC): Likewise.
3600 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3601 when default cpu is niagara.
3602 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3603 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3604 just like v9/ultrasparc/ultrasparc3.
3605 * doc/invoke.texi: Add documentation for "niagara" and improve
3606 existing documentation for ultrasparc variants.
3608 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3610 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3612 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3614 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3615 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3616 and say that only one is needed.
3617 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3618 * target.h (have_switchable_bss_sections): New hook.
3619 * explow.c (use_anchored_address): Check that the symbol is in a block.
3620 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3621 (bss_noswitch_section): New variables.
3622 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3623 (get_noswitch_section): New function.
3624 (get_block_for_section): Allow SECT to be null.
3625 (unlikely_text_section_p): Use SECTION_STYLE.
3626 (bss_initializer_p): New function.
3627 (get_variable_section): Move earlier in file. Take a new argument,
3628 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3629 Return one of the new *_sections in such cases.
3630 (get_block_for_decl): New function, extracting some logic from
3631 use_blocks_for_decl_p.
3632 (change_symbol_section): Remove in favor of...
3633 (change_symbol_block): ...this new function.
3634 (use_blocks_for_decl_p): Remove checks now performed by
3636 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3637 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3638 (emit_local, emit_bss, emit_common): ...these new functions.
3639 Return true if the alignment was honored.
3640 (emit_tls_common): New function.
3641 (asm_emit_uninitialised): Delete.
3642 (assemble_variable_noswitch): New function, split out from...
3643 (assemble_variable): ...here. Don't make decisions about common
3644 variables here. Globalize all public decls that go into non-common
3645 sections. Check whether SYMBOL_REF_BLOCK is null.
3646 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3647 (output_constant_pool): Likewise.
3648 (init_varasm_once): Initialize the new section variables.
3649 (have_global_bss_p): New function.
3650 (categorize_decl_for_section): Use bss_initializer_p.
3651 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3652 (place_block_symbol): Assert that the symbol must be in a block.
3653 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3654 (TARGET_INITIALIZER): Include it.
3655 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3656 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3657 (SECTION_MACH_DEP): Bump by two.
3658 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3659 (unnamed_section): Mention SECTION_UNNAMED in comment.
3660 (named_section): Likewise SECTION_NAMED.
3661 (noswitch_section_callback): New type.
3662 (noswitch_section): New structure.
3663 (section): Add a noswitch_section alternative.
3664 (SECTION_STYLE): New macro.
3665 (tls_comm_section, comm_section, lcomm_section): Declare.
3666 (bss_noswitch_section, have_global_bss_p): Declare.
3667 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3668 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3670 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3671 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3674 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3676 * gcc/tree-vrp.c (execute_vrp): Return value.
3677 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3678 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3679 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3680 (tree_lower_complex_O0): Ditto.
3681 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3682 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3683 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3684 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3685 (execute_tail_calls): Ditto.
3686 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3687 * gcc/tree.h (init_function_for_compilation): Ditto.
3688 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3689 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3690 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3691 * gcc/final.c (compute_alignments): Ditto.
3692 (rest_of_handle_final): Ditto.
3693 (rest_of_handle_shorten_branches): Ditto.
3694 (rest_of_clean_state): Ditto.
3695 * gcc/omp-low.c (execute_expand_omp): Ditto.
3696 (execute_lower_omp): Ditto.
3697 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3698 * gcc/ipa-reference.c (static_execute): Ditto.
3699 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3700 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3701 (rest_of_handle_machine_reorg): Ditto.
3702 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3703 * gcc/flow.c (recompute_reg_usage): Ditto.
3704 (rest_of_handle_remove_death_notes): Ditto.
3705 (rest_of_handle_life): Ditto.
3706 (rest_of_handle_flow2): Ditto.
3707 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3708 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3709 (do_ssa_store_ccp): Ditto.
3710 (execute_fold_all_builtins): Ditto.
3711 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3712 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3713 * gcc/ipa-pure-const.c (static_execute): Ditto.
3714 * gcc/cse.c (rest_of_handle_cse): Ditto.
3715 (rest_of_handle_cse2): Ditto.
3716 * gcc/web.c (rest_of_handle_web): Ditto.
3717 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3718 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3719 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3720 * gcc/tree-nrv.c (tree_nrv): Ditto.
3721 (execute_return_slot_opt): Ditto.
3722 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3723 (create_structure_vars): Ditto.
3724 * gcc/loop-init.c (rtl_loop_init): Ditto.
3725 (rtl_loop_done): Ditto.
3726 (rtl_move_loop_invariants): Ditto.
3727 (rtl_unswitch): Ditto.
3728 (rtl_unroll_and_peel_loops): Ditto.
3729 (rtl_doloop): Ditto.
3730 * gcc/gimple-low.c (lower_function_body): Ditto.
3731 (mark_used_blocks): Ditto.
3732 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3733 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3734 (cgraph_early_inlining): Ditto.
3735 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3736 * gcc/jump.c (cleanup_barriers): Ditto.
3737 (purge_line_number_notes): Ditto.
3738 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3739 (rest_of_handle_if_after_reload): Ditto.
3740 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3741 (tree_ssa_loop_im): Ditto.
3742 (tree_ssa_loop_unswitch): Ditto.
3743 (tree_vectorize): Ditto.
3744 (tree_linear_transform): Ditto.
3745 (tree_ssa_loop_ivcanon): Ditto.
3746 (tree_ssa_empty_loop): Ditto.
3747 (tree_ssa_loop_bounds): Ditto.
3748 (tree_complete_unroll): Ditto.
3749 (tree_ssa_loop_prefetch): Ditto.
3750 (tree_ssa_loop_ivopts): Ditto.
3751 (tree_ssa_loop_done): Ditto.
3752 * gcc/predict.c (tree_estimate_probability): Ditto.
3753 * gcc/recog.c (split_all_insns_noflow): Ditto.
3754 (rest_of_handle_peephole2): Ditto.
3755 (rest_of_handle_split_all_insns): Ditto.
3756 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3757 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3758 (rest_of_handle_stack_adjustments): Ditto.
3759 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3760 * gcc/function.c (instantiate_virtual_regs): Ditto.
3761 (init_function_for_compilation): Ditto.
3762 (rest_of_handle_check_leaf_regs): Ditto.
3763 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3764 (rest_of_handle_gcse): Ditto.
3765 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3766 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3767 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3768 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3769 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3770 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3771 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3772 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3773 * gcc/except.c (set_nothrow_function_flags): Ditto.
3774 (convert_to_eh_region_ranges): Ditto.
3775 (rest_of_handle_eh): Ditto.
3776 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3777 (remove_unnecessary_notes): Ditto.
3778 * gcc/except.h (set_nothrow_function_flags): Ditto.
3779 (convert_to_eh_region_ranges): Ditto.
3780 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3781 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3782 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3783 (execute_fre): Ditto.
3784 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3785 (rest_of_handle_jump2): Ditto.
3786 * gcc/tree-sra.c (tree_sra): Ditto.
3787 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3788 (execute_mudflap_function_decls): Ditto.
3789 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3790 (do_store_copy_prop): Ditto.
3791 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3792 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3793 * gcc/tree-ssa-forwprop.c
3794 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3795 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3796 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3797 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3798 (execute_late_warn_uninitialized): Ditto.
3799 * gcc/rtl.h (cleanup_barriers): Ditto.
3800 (split_all_insns_noflow): Ditto.
3801 (purge_line_number_notes): Ditto.
3802 (unshare_all_rtl): Ditto.
3803 (remove_unnecessary_notes): Ditto.
3804 (recompute_reg_usage): Ditto.
3805 (variable_tracking_main): Ditto.
3806 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3807 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3808 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3809 (execute_free_cfg_annotations): Ditto.
3810 (execute_fixup_cfg): Ditto.
3811 (execute_cleanup_cfg_pre_ipa): Ditto.
3812 (execute_cleanup_cfg_post_optimizing): Ditto.
3813 (execute_init_datastructures): Ditto.
3814 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3815 * gcc/combine.c (rest_of_handle_combine): Ditto.
3816 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3817 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3818 (rest_of_handle_reorder_blocks): Ditto.
3819 (rest_of_handle_partition_blocks): Ditto.
3820 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3821 * gcc/tree-profile.c (tree_profiling): Ditto.
3822 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3823 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3824 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3825 (rest_of_handle_sched2): Ditto.
3826 * gcc/basic-block.h (free_bb_insn): Ditto.
3827 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3828 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3829 (remove_useless_stmts): Ditto.
3830 (split_critical_edges): Ditto.
3831 (execute_warn_function_return): Ditto.
3832 (execute_warn_function_noreturn): Ditto.
3833 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3834 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3835 * gcc/passes.c (execute_one_pass): Run additional
3836 todos returned by execute function.
3837 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3840 2006-03-02 Richard Guenther <rguenther@suse.de>
3842 * tree-ssa-alias.c (find_used_portions): Consider taking
3843 the address as making the variable not write-only.
3845 2006-03-02 Nick Clifton <nickc@redhat.com>
3847 * config.gcc (default_use_cxa_atexit): Extend the description of
3848 this configure variable. Set its default value to "yes" for
3849 Linux, NetBSD and ELF targets on the assumption that they will
3850 use C libraries with the __cxa_atexit function.
3852 2006-03-02 Ben Elliston <bje@au.ibm.com>
3854 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3855 parameter as unused to suppress a build warning.
3857 2006-03-02 Ben Elliston <bje@au.ibm.com>
3859 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3862 2006-03-01 Roger Sayle <roger@eyesopen.com>
3865 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3866 declared name, the weak reference name, and the typeof name.
3867 (__gthrw): Avoid expanding the declared name suffix.
3868 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3870 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3872 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3874 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3875 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3876 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3877 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3878 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3879 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3880 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3881 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3882 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3883 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3884 (DW_END_default, DW_END_big, DW_END_little): New.
3885 (DW_END_lo_user, DW_END_hi_user): Define.
3886 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3887 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3888 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3891 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3893 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3895 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3897 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3899 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3901 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3902 to 'symbol_mem_tag'.
3904 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3907 2006-03-01 Roger Sayle <roger@eyesopen.com>
3909 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3911 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3914 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3915 MACHO_DYNAMIC_NO_PIC_P.
3916 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3918 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3921 * config/darwin-protos.h (darwin_asm_output_anchor):
3923 * config/darwin-sections.def (cstring_section):
3924 Add SECTION_MERGE to the flags.
3925 (literal4_section): Likewise.
3926 (literal8_section): Likewise.
3927 (objc_selector_refs_section): Likewise.
3928 (objc_cls_refs_section): Likewise.
3929 * config/darwin.c (darwin_asm_output_anchor): New
3931 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3933 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3935 Fix PR tree-optimization/26443
3936 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3937 to todo and PROP_tmt_usage to properties_destroyed.
3938 * tree-ssa-ccp.c (pass_ccp): Ditto.
3939 (pass_store_ccp): Ditto.
3940 * tree-ssa-dom.c (pass_dominator): Ditto.
3942 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3944 * tree-ssa-operands.c: Cleanup whitespace.
3945 (get_asm_expr_operands): Move before first invocation.
3946 (get_indirect_ref_operands): Likewise.
3947 (get_tmr_operands): Likewise.
3948 (get_call_expr_operands): Likewise.
3949 (append_def): Likewise.
3950 (append_use): Likewise.
3951 (append_v_may_def): Likewise.
3952 (append_v_must_def): Likewise.
3953 (add_call_clobber_ops): Likewise.
3954 (add_call_read_ops): Likewise.
3955 (add_stmt_operand): Likewise.
3956 (add_virtual_operand): Likewise.
3957 (build_ssa_operands): Likewise.
3959 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3964 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3965 with a call expr to ...
3966 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3968 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3970 * tree-vrp.c (extract_range_from_assert): Remove special
3971 handling for types with super-types.
3973 2006-03-01 Ben Elliston <bje@au.ibm.com>
3975 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3976 and powerpc64-*-linux* configurations.
3977 * config/t-dfprules: New file.
3979 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3980 Compile dfp-bit.c from the source directory using -DWIDTH and
3981 $DFP_CFLAGS to control the compilation of that file, rather than
3982 generating width-specific versions in the build directory.
3983 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3984 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3986 2006-02-28 Zack Weinberg <zackw@panix.com>
3988 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3991 2006-02-28 Eric Christopher <echristo@apple.com>
3993 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3994 Set up IN_LIBGCC definition of TARGET_64BIT.
3995 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3997 2006-02-28 Roger Sayle <roger@eyesopen.com>
4000 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4001 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4002 cases via the construction of "expr != 0".
4004 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4006 * alias.c (alias_invariant, alias_invariant_size): Remove.
4007 (record_base_value): Remove.
4008 (memrefs_conflict_p): Don't look at alias_invariant.
4009 (end_alias_analysis): Don't free it.
4010 * alias.h (record_base_value): Remove prototype.
4012 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4013 Adam Nemet <anemet@caviumnetworks.com>
4015 * rtl.h (truncated_to_mode): Declare it.
4016 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4017 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4018 (RTL_HOOKS_INITIALIZER): Include it.
4019 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4020 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4021 reg_truncated_to_mode.
4022 * rtlanal.c (truncated_to_mode): Define it.
4023 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4025 2006-02-28 Jeff Law <law@redhat.com>
4027 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4028 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4029 the range allowed by TYPE_PRECISION.
4031 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4033 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4035 PR tree-optimization/26419
4036 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4039 2006-02-27 Zack Weinberg <zackw@panix.com>
4041 * doc/md.texi: Fix typo in previous change.
4043 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4047 2006-02-27 Zack Weinberg <zackw@panix.com>
4049 * rtl.def (define_constraint, define_register_constraint)
4050 (define_memory_constraint, define_address_constraint): New MD forms.
4051 * gensupport.c (process_rtx): Put define_constraint etc on the
4053 * genpreds.c (process_define_predicate): Adjust comment. Validate
4054 the name, and call validate_exp to validate the expression.
4055 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4056 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4057 all callers changed.
4058 (validate_exp, needs_variable, struct constraint_data)
4059 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4060 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4061 (const_dbl_constraints, constraint_max_namelen)
4062 (have_register_constraints, have_memory_constraints)
4063 (have_address_constraints, have_address_constraints)
4064 (have_extra_constraints, have_const_int_constraints)
4065 (have_const_dbl_constraints, mangle, add_constraint)
4066 (process_define_constraint, process_define_register_constraint)
4067 (write_enum_constraint_num, write_lookup_constraint)
4068 (write_insn_constraint_len, write_regclass_for_constraint)
4069 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4070 (write_insn_extra_memory_constraint)
4071 (write_insn_extra_address_constraint)
4072 (write_satisfies_constraint_fns): New.
4073 (write_tm_preds_h): If we have new-style constraint definitions,
4074 prototype the functions generated from them, and define the
4075 old constraint interface (still used by generic code) in terms of
4077 (write_insn_preds_c): If we have new-style constraint definitions,
4078 generate all relevant functions from those definitions.
4079 (main): Handle define_constraint etc.
4080 * genoutput.c (struct constraint_data, indep_constraints)
4081 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4082 (mdep_constraint_len): New data structures and functions, defined
4083 #ifdef USE_MD_CONSTRAINTS.
4084 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4085 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4086 use new logic to validate operand constraints against constraint
4088 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4090 * defaults.h: If none of the old-style constraint macros are
4091 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4092 old-style macros; and poison REG_CLASS_FROM_LETTER,
4093 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4095 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4096 * doc/md.texi: Document new constraint-definition mechanism and the
4097 C interface it provides. Remove references to old mechanism
4098 elsewhere in the document.
4099 (Machine Constraints): Use pathnames relative to gcc directory,
4100 i.e. config/ARCH/FILE. Change i386 section to refer to
4101 config/i386/predicates.md; update that section to match docstrings.
4102 * doc/tm.texi: Move all documentation of the old constraint-
4103 definition macros to their own section, clearly mark as obsolete.
4105 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4106 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4108 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4109 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4110 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4112 (splits and peepholes): Use satisfies_constraint_*.
4113 * config/i386/i386.c (memory_address_length)
4114 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4116 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4118 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4119 scalar operation to be put back into the loop.
4121 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4124 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4125 (extract_cie_info): Handle S flag in augmentation string.
4126 (execute_cfa_program): If context->signal_frame, execute also
4127 fs->pc == context->ra instructions.
4128 (uw_frame_state_for): If context->signal_frame, don't subtract one
4129 from context->ra to find FDE.
4130 (uw_update_context_1): Set context->signal_frame to
4132 (_Unwind_GetIPInfo): New function.
4133 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4134 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4136 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4137 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4138 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4139 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4140 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4141 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4142 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4143 x86_64_fallback_frame_state): Set fs->signal_frame.
4144 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4145 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4146 (frob_update_context): Likewise. Workaround missing S flag in
4147 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4148 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4149 Remove the psw_addr + 1 hack.
4151 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4153 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4154 with aggregates here.
4155 (find_func_aliases): Remove code for &<aggregate> from here.
4157 2006-02-26 Roger Sayle <roger@eyesopen.com>
4159 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4160 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4161 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4164 2006-02-26 Roger Sayle <roger@eyesopen.com>
4167 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4169 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4171 * opts.c (decode_options): Do not handle flag_strength_reduce.
4172 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4173 and OPT_fstrength_reduce.
4174 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4175 flag_prefetch_loop_arrays for being nonzero.
4176 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4178 (fprefetch-loop-arrays-rtl): Removed.
4179 (flag_prefetch_loop_arrays): Do not specify the value.
4181 * doc/passes.texi: Update documentation of loop optimizer
4183 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4184 -frerun-loop-opt): Remove.
4186 2006-02-26 Richard Guenther <rguenther@suse.de>
4188 PR tree-optimization/26421
4189 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4190 in function calls that are ADDR_EXPRs as using the whole structure.
4192 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4194 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4195 * tree-pass.h (pass_loop_optimize): Remove.
4196 * passes.c (pass_loop_optimize): Never run it.
4197 * toplev.c (backend_init): Don't call init_loop.
4198 * opts.c (flag_loop_optimize_set): Remove.
4199 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4200 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4201 the old RTL loop optimizer when profiling enabled.
4202 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4203 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4204 pre-headers for the sake of the old RTL loop optimizer.
4205 * Makefile.in: Remove all references to loop.o.
4207 * doc/invoke.texi: Remove all references to -floop-optimize
4208 and -frerun-loop-opt.
4210 2006-02-26 Zack Weinberg <zackw@panix.com>
4212 * doc/md.texi (Machine Constraints): Refer to all files with paths
4213 relative to gcc directory (i.e. config/CPU/file). Add missing
4214 @table @code ... @end table to M32C subsection.
4216 2006-02-26 Roger Sayle <roger@eyesopen.com>
4218 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4220 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4222 2006-02-26 Roger Sayle <roger@eyesopen.com>
4223 James A. Morrison <phython@gcc.gnu.org>
4226 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4227 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4228 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4229 signedness of the shift operation.
4231 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4233 PR tree-optimization/26359
4234 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4236 2006-02-25 Roger Sayle <roger@eyesopen.com>
4238 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4239 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4240 as X == 0, and some symmetry related transformations.
4241 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4243 2006-02-25 Roger Sayle <roger@eyesopen.com>
4246 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4247 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4248 symmetry related transformations. Fold (X^C1) == C2 as
4251 2006-02-25 Juergen Weigert <jw@suse.de>
4252 Richard Guenther <rguenther@suse.de>
4254 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4256 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4258 * combine.c (gen_lowpart_or_truncate): Call
4259 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4261 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4263 * doc/invoke.texi: Move -fopenmp description to "Options for
4265 Remove reference to -lgomp.
4267 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4269 * doc/install.texi: Require GNU tar version 1.14.
4271 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4273 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4274 * doc/invoke.texi (C++ Dialect Options): Document
4275 -fno-use-cxa-get-exception-ptr.
4276 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4277 * configure: Regenerate.
4278 * c.opt (fuse-cxa-get-exception-ptr): New.
4279 * c-opts.c (c_common_handle_option): Handle
4280 OPT_fuse_cxa_get_exception_ptr.
4281 * c-common.c (flag_use_cxa_atexit): Update documentation.
4282 (flag_use_cxa_get_exception_ptr): New.
4283 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4284 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4286 (C_COMMON_OVERRIDE_OPTIONS): New.
4288 2006-02-24 Roger Sayle <roger@eyesopen.com>
4291 * combine.c (try_combine): Explicitly check whether GET_CODE is
4292 a SET or a CLOBBER, instead on checking that it isn't a USE.
4294 2006-02-24 Roger Sayle <roger@eyesopen.com>
4296 * fold-const.c (fold_comparison): New subroutine of fold_binary
4297 containing transformations common to both the equality and
4298 ordering relational operators, factored out of fold_binary.
4299 (fold_binary): Separate out the equality operators (EQ_EXPR
4300 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4301 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4302 transformations common to both.
4303 (fold_div_compare): Fix latent bugs in the previously unreachable
4304 LT_EXPR and GE_EXPR cases.
4306 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4308 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4309 decl libname for clog to __clog on AIX.
4311 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4313 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4316 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4317 output traceback table for thunks. Localise rs6000_stack_info call.
4319 2006-02-23 Roger Sayle <roger@eyesopen.com>
4320 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4322 * gthr-posix.h (__gthrw): Fix typo in comment.
4324 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4326 * doc/cpp.texi (Character sets): Document that we do support
4327 input files to be in any character set.
4329 2006-02-23 Jeff Law <law@redhat.com>
4331 * tree.h (PHI_ARG_NONZERO): Remove.
4332 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4333 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4334 node to the new node.
4336 PR tree-optimization/26425
4337 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4338 min/max, then assume its varying.
4340 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4342 PR rtl-optimization/26316
4343 * rtlanal.c (enum may_trap_p_flags): New.
4344 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4345 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4346 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4347 (may_trap_after_code_motion_p): New function.
4348 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4349 (find_invariant_insn): Use may_trap_after_code_motion_p.
4350 * rtl.h (may_trap_after_code_motion_p): Declare.
4352 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4354 * emit-rtl.c (immed_double_const): Cleanup.
4356 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4358 Fix PR tree-optimization/26376
4359 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4362 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4365 * gimplify.c (omp_add_variable): Guard variable size decl test with
4366 DECL_SIZE (decl) check.
4368 2006-02-23 Richard Guenther <rguenther@suse.de>
4371 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4372 like aggregate types.
4374 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4376 * configure.ac: Add --with{,out}-long-double-128 configure option.
4377 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4378 * configure: Rebuilt.
4379 * config.in: Rebuilt.
4380 * doc/install.texi (Options specification): Document
4381 --with-long-double-128.
4383 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4384 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4385 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4386 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4388 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4390 * config/s390/s390.c (override_options): Handle
4391 TARGET_DEFAULT_LONG_DOUBLE_128.
4393 * config/alpha/alpha.c (override_options): Handle
4394 TARGET_DEFAULT_LONG_DOUBLE_128.
4396 * config/sparc/sparc.c (sparc_override_options): Handle
4397 TARGET_DEFAULT_LONG_DOUBLE_128.
4399 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4401 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4402 (real-install-headers-tar, real-install-headers-cpio)
4403 (real-install-headers-cp): New targets.
4405 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4407 * tree.h (variable_section): Delete.
4408 * varasm.c (variable_section): Delete.
4410 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4412 * install.texi: Add notes on install.texi2html.
4413 (Building in parallel): Do not use footnotes.
4415 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4418 * doc/install.texi (Configuration): Document --disable-libgomp.
4420 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4422 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4424 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4426 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4427 (vec_extractv2df_0_sse): New.
4429 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4431 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4432 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4433 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4434 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4435 to the result of the expression.
4436 (def_cfa_1): Adjust.
4437 (frame_pointer_cfa_offset): Rename to...
4438 (frame_pointer_fb_offset): ... this. Adjust all uses.
4439 (convert_cfa_to_loc_list): Rename to...
4440 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4441 Pass it on to build_cfa_loc.
4442 (compute_frame_pointer_to_cfa_displacement): Rename to...
4443 (compute_frame_pointer_to_fb_displacement): ... this. New
4444 offset parameter. Use it in computation.
4445 (gen_subprogram_die): Compute cfa_fb_offset with the new
4446 macro, and use it to compute the fb loc list and the
4449 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4451 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4452 replaced with register_operand.
4453 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4454 non-DREG is expensive.
4455 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4456 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4459 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4461 * doc/install.texi2html: Use set -e.
4463 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4465 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4466 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4467 * doc/invoke.texi (-fshared-data): Delete.
4468 * common.opt (fshared-data): Delete.
4469 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4470 (assemble_static_space): Remove #if 0 code.
4471 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4472 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4473 * config/cris/cris.h: Remove FIXME.
4475 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4477 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4480 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4483 * combine.c (simplify_shift_const_1): Disable nested shifts
4484 optimization for vector shifts.
4486 2006-02-20 Roger Sayle <roger@eyesopen.com>
4488 PR tree-optimization/26361
4489 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4490 of unsigned integer types.
4492 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4494 * tree-chrec.c (eq_evolutions_p): New.
4495 * tree-chrec.h (eq_evolutions_p): Declared.
4496 * tree-data-ref.c: Fix formatting.
4497 (datadep_stats, dependence_stats): New.
4499 (print_direction_vector): New.
4500 (dump_data_dependence_relation): Use print_direction_vector.
4501 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4502 (compute_subscript_distance): Static.
4503 (initialize_data_dependence_relation): Static. Get the number
4504 of loops surrounding the references from the callers, and initialize
4505 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4506 base_object_differ_p analyzers.
4507 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4508 compute_overlap_steps_for_affine_1_2,
4509 analyze_subscript_affine_affine): Count the classified dependences.
4510 Print a message when a test failed.
4511 (can_use_analyze_subscript_affine_affine): New.
4512 (analyze_siv_subscript): Compute the data dependences on symbolic
4513 scevs that verify can_use_analyze_subscript_affine_affine.
4514 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4515 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4516 Handle symbolic scevs.
4517 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4519 (subscript_dependence_tester): Moved...
4520 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4521 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4522 DDR_SIZE_VECT instead of getting it in parameter.
4523 (subscript_dependence_tester): ... here. Take as a parameter
4524 loop_nest_depth. Call build_classic_dist_vector and
4525 build_classic_dir_vector.
4526 (compute_affine_dependence): Update subscript_dependence_tester
4527 parameters. Update datadep_stats counters. Call
4528 compute_subscript_distance.
4529 (compute_self_dependence): Save the dist and dir vectors. Call
4530 compute_subscript_distance.
4531 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4532 (compute_all_dependences): Reorder parameters as they were before
4533 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4534 compute_subscript_distance. Update the use of
4535 compute_affine_dependence and initialize_data_dependence_relation.
4536 (find_data_references_in_loop): Handle COMPONENT_REF.
4537 (compute_data_dependences_for_loop): Initialize dependence_stats.
4538 Don't call build_classic_dist_vector and build_classic_dir_vector.
4539 Update the parameters of initialize_data_dependence_relation and
4540 compute_all_dependences. Print the statistics from datadep_stats.
4541 (analyze_all_data_dependences): Static. Not used until the pass for
4542 checking the data dependences is contributed.
4543 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4544 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4545 (initialize_data_dependence_relation, compute_affine_dependence,
4546 analyze_all_data_dependences, compute_subscript_distance): Removed.
4547 (print_direction_vector): New.
4548 * lambda.h (gcd): ... here.
4549 (lambda_vector_gcd): Moved here from gcd_vector.
4550 * lambda-code.c (gcd, gcd_vector): Removed.
4551 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4552 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4554 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4556 * ipa-type-escape.c: Tidy some comments and white space.
4557 * tree-ssa-operands.c: Likewise.
4559 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4562 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4563 (dump_decl_name): Do not walk the decl tree chains.
4564 * tree-pass.h (TDF_CHAIN): Remove.
4566 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4568 * Makefile.in (C): Remove
4570 (.PHONY): Remove C and PROTO
4572 2006-02-20 Roger Sayle <roger@eyesopen.com>
4575 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4576 deprecated CHAR_TYPE tree code.
4578 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4580 * configure.ac (target_list): Add install-info, dvi, html.
4581 * configure: Regenerate.
4583 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4584 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4585 treelang/Make-lang.in: Do not use double-colon rules.
4587 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4589 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4590 (TMT_USED_ALONE): New macro.
4591 * tree-pass.h (PROP_tmt_usage): New property.
4592 (TODO_update_tmt_usage): New todo.
4593 * tree-ssa-alias.c (updating_used_alone): New variable.
4594 (recalculate_used_alone): New function.
4595 (compute_may_aliases): Set updating_used_alone, call
4596 recalculate_used_alone.
4597 * tree-sra.c (pass_sra): Note that this pass destroys
4598 PROP_tmt_usage, and add TODO_update_tmt_usage.
4599 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4600 * tree-flow.h (updating_used_alone): Prototype.
4601 (recalculate_used_alone): Ditto.
4602 * passes.c (execute_todo): Add code to set updating_used_alone,
4603 and call recalculate.
4604 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4605 for clobber if used alone, and add assert to verify used_alone
4608 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4610 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4611 for non tls symbols added.
4612 (legitimize_address): Do nothing for PLUS expressions if one of the
4613 addends is a tls symbol reference.
4615 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4619 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4621 * Makefile.in (BOOTSTRAPPING): New.
4622 (quickstrap): New definition if BOOTSTRAPPING=yes.
4624 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4625 * configure.ac: Substitute all_selected_languages with the languages
4626 that were configured. For all the other variables except
4627 lang_specs_files, include all the languages in the tree.
4628 * configure: Regenerate.
4630 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4631 if there is one. Run the commands to run fixincludes in the same
4634 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4635 * doc/install.texi: Document exact conventions for searching target tools.
4636 Document --with-build-time-tools. Document toplevel bootstrap. Document
4637 something more about building an Ada cross-compiler. Don't list GNU Make
4638 requirements which affect all platforms.
4640 2006-02-19 Roger Sayle <roger@eyesopen.com>
4643 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4644 only equivalent if the have both the same mode and precision.
4646 2006-02-20 Ben Elliston <bje@au.ibm.com>
4648 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4650 2006-02-19 Roger Sayle <roger@eyesopen.com>
4651 Steven Bosscher <stevenb.gcc@gmail.com>
4653 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4654 constant pool references to identify stack mode constants.
4655 * rtlanal.c (constant_pool_constant_p): New predicate to check
4656 whether operand is a floating point constant in the pool.
4657 * rtl.h (constant_pool_constant_p): Prototype here.
4658 * loop.c (scan_loop): Avoid hoisting constants from the constant
4659 pool on STACK_REGS targets.
4660 (load_mems): Likewise.
4661 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4662 loads into x87 registers expensive in terms of register pressure.
4664 2006-02-19 Roger Sayle <roger@eyesopen.com>
4666 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4667 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4669 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4671 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4672 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4674 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4676 * doc/invoke.texi: Document -fipa-pta.
4677 * common.opt: Add ipa-pta option.
4678 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4679 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4680 (do_ds_constraint): Ditto.
4681 (get_constraint_for): Only add to referenced_vars if
4682 referenced_vars exists.
4683 (insert_into_field_list): Rewrite to do this unsorted.
4684 (insert_into_field_list_sorted): Rename old insert_into_field_list
4686 (create_function_info_for): Use insert_into_field_list_sorted.
4687 (create_variable_info_for): Rewrite so it uses unsorted version,
4688 since the field list is sorted.
4689 (intra_create_variable_infos): Only add to referenced_vars if
4690 referenced_vars exists.
4691 (ipa_pta_execute): Init heapvars, and delete when done.
4692 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4694 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4696 * doc/install.texi: Add missing `@samp'.
4698 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4700 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4703 2006-02-18 Mark Wielaard <mark@klomp.org>
4705 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4706 who added new 4.1 features, bug fixes and integration support.
4708 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4711 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4714 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4716 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4717 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4718 (copy_insn_1): Likewise. Don't copy each field individually.
4720 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4722 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4723 * rtl.c (rtx_size): Rename variable to...
4724 (rtx_code_size): ...this.
4725 (rtx_size): New function.
4726 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4727 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4729 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4730 * rtl.h (rtx_code_size): New variable.
4731 (rtx_size): Change from a variable to a function.
4732 (RTX_SIZE): Rename to...
4733 (RTX_CODE_SIZE): ...this.
4736 PR tree-optimization/17106
4737 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4738 (Anchored Addresses): New section.
4739 * doc/invoke.texi (-fsection-anchors): Document.
4740 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4741 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4742 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4743 * hooks.c (hook_bool_mode_rtx_false): New function.
4744 * hooks.h (hook_bool_mode_rtx_false): Declare.
4745 * gengtype.c (create_optional_field): New function.
4746 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4747 SYMBOL_REF_IN_BLOCK_P is true.
4748 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4749 (min_anchor_offset, max_anchor_offset): Likewise.
4750 (use_anchors_for_symbol_p): New hook.
4751 * toplev.c (compile_file): Call output_object_blocks.
4752 (target_supports_section_anchors_p): New function.
4753 (process_options): Check that -fsection-anchors is only used on
4754 targets that support it and when -funit-at-a-time is in effect.
4755 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4756 if the decl doesn't have one.
4757 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4758 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4759 of force_const_mem through use_anchored_address.
4760 (expand_expr_constant): New function.
4761 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4762 calling expand_expr for INDIRECT_REF.
4763 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4764 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4765 * expr.h (use_anchored_address): Declare.
4766 * loop-unroll.c: Don't declare rtx vectors here.
4767 * explow.c: Include output.h.
4768 (validize_mem): Call use_anchored_address.
4769 (use_anchored_address): New function.
4770 * common.opt (-fsection-anchors): New switch.
4771 * varasm.c (object_block_htab, anchor_labelno): New variables.
4772 (hash_section, object_block_entry_eq, object_block_entry_hash)
4773 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4774 (use_blocks_for_decl_p, change_symbol_section): New functions.
4775 (get_variable_section): New function, split out from assemble_variable.
4776 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4777 use_blocks_for_decl_p say so. Use change_symbol_section if the
4778 symbol has already been created.
4779 (assemble_variable_contents): New function, split out from...
4780 (assemble_variable): ...here. Don't output any code for
4781 block symbols; just pass them to place_block_symbol.
4782 Use get_variable_section and assemble_variable_contents.
4783 (get_constant_alignment, get_constant_section, get_constant_size): New
4784 functions, split from output_constant_def_contents.
4785 (build_constant_desc): Create a block symbol if use_object_blocks_p
4786 says so. Or into SYMBOL_REF_FLAGS.
4787 (assemble_constant_contents): New function, split from...
4788 (output_constant_def_contents): ...here. Don't output any code
4789 for block symbols; just pass them to place_section_symbol.
4790 Use get_constant_section and get_constant_alignment.
4791 (force_const_mem): Create a block symbol if use_object_blocks_p and
4792 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4793 (output_constant_pool_1): Add an explicit alignment argument.
4794 Don't switch sections here.
4795 (output_constant_pool): Adjust call to output_constant_pool_1.
4796 Switch sections here instead. Don't output anything for block symbols;
4797 just pass them to place_block_symbol.
4798 (init_varasm_once): Initialize object_block_htab.
4799 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4800 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4801 (place_block_symbol, get_section_anchor, output_object_block)
4802 (output_object_block_htab, output_object_blocks): New functions.
4803 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4804 (TARGET_ASM_OUT): Include it.
4805 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4806 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4807 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4808 (TARGET_INITIALIZER): Include them.
4809 * rtl.c (rtl_check_failed_block_symbol): New function.
4810 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4811 (block_symbol, object_block): New structures.
4812 (rtx_def): Add a block_symbol field to the union.
4813 (BLOCK_SYMBOL_CHECK): New macro.
4814 (rtl_check_failed_block_symbol): Declare.
4815 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4816 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4817 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4818 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4819 * output.h (output_section_symbols): Declare.
4820 (object_block): Name structure.
4821 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4822 (default_use_anchors_for_symbol_p): Declare.
4823 * Makefile.in (RTL_BASE_H): Add vec.h.
4824 (explow.o): Depend on output.h.
4825 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4826 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4827 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4828 (rs6000_use_blocks_for_constant_p): New function.
4830 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4832 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4834 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4837 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4840 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4842 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4846 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4849 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4850 instead of DECL_REGISTER.
4852 2006-02-18 Olivier Hainque <hainque@adacore.com>
4855 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4857 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4860 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4861 * opth-gen.awk: Handle Var and InverseMask together.
4862 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4863 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4864 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4865 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4867 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4868 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4869 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4870 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4871 LINUX_DYNAMIC_LINKER): Define.
4872 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4873 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4875 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4876 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4877 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4878 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4879 (TARGET_C99_FUNCTIONS): Don't define.
4880 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4881 GLIBC_DYNAMIC_LINKER.
4882 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4883 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4884 GLIBC_DYNAMIC_LINKER64): Define.
4885 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4886 LINUX_DYNAMIC_LINKER64.
4887 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4888 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4889 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4891 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4892 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4893 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4894 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4895 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4896 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4897 and LINUX_DYNAMIC_LINKER32.
4898 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4900 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4902 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4904 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4905 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4906 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4907 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4908 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4909 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4910 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4911 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4912 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4913 LINUX_DYNAMIC_LINKER): Define.
4914 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4915 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4916 GLIBC_DYNAMIC_LINKER64): Define.
4917 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4918 LINUX_DYNAMIC_LINKER64.
4919 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4920 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4921 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4922 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4923 LINUX_DYNAMIC_LINKER): Define.
4924 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4925 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4926 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4927 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4928 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4929 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4930 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4931 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4932 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4933 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4934 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4935 * doc/invoke.texi (-muclibc): Remove caveat about supported
4938 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4940 * doc/cpp.texi (__TIMESTAMP__): Document.
4942 2006-02-17 Roger Sayle <roger@eyesopen.com>
4945 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4946 C is one less than the width of X (and related transformations).
4947 * simplify-rtx.c (simplify_unary_operation_1): Transform
4948 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4949 depending on STORE_FLAG_VALUE, were C is one less then the
4952 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4954 Fix PR tree-optimization/26341
4955 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4956 about NAME_MEMORY_TAG's.
4958 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4961 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4962 with hardware float support, and software float support. Add fcpy
4963 alternative to hardware patterns. Add alternatives to copy between
4964 general and floating-point registers to the 32-bit pattern.
4965 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4966 secondary reload to load a QI or HI mode constant into a floating
4968 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4969 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4971 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4974 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4976 (load_macho_picbase_di): Likewise.
4978 2006-02-16 Jeff Law <law@redhat.com>
4980 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4981 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4982 (ssa_name_nonzero_p): Likewise.
4983 (get_value_range): Return NULL if VRP is not running.
4984 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4985 VRP routines do not discover a range.
4986 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4987 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4988 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4989 (tree_expr_nonnegative_p): Similarly.
4990 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4991 (restore_nonzero_vars_to_original_value): Remove.
4992 (unsafe_associative_fp_binop): Remove.
4993 (tree_ssa_dominator_optimize): Remove initialization and
4994 finalization of nonzero_vars and nonzero_vars_stack.
4995 (dom_opt_initialize_block): No longer push marker on
4997 (dom_opt_finalize_block): No longer call
4998 restore_nonzero_vars_to_original_value.
4999 (record_equivalences_from_phis): No longer look for
5000 nonzero PHI arguments.
5001 (cprop_into_successor_phis): No longer propagate nonzero
5002 property into PHI arguments. Lose unused argument. Caller
5004 (record_equivalences_from_stmt): No longer record nonzero
5005 values for SSA_NAMEs.
5006 (lookup_avail_expr): No longer use nonzero_vars.
5008 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5009 for sizetype when sizetype is unsigned.
5011 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5013 PR rtl-optimization/25603
5014 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5015 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5016 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5017 with new meaning of SETS.
5019 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5024 * config/linux.opt: New file.
5025 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5026 LINUX_DYNAMIC_LINKER): Define.
5027 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5028 * config.gcc (*-*-linux*): Define extra_options.
5029 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5030 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5031 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5032 GLIBC_DYNAMIC_LINKER.
5033 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5034 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5035 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5037 * doc/invoke.texi (GNU/Linux Options): New section.
5039 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5041 * config/sparc/sparc.md (setjmp): Rewrite.
5042 (setjmp_32): Delete.
5043 (setjmp_64): Likewise.
5045 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5047 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5050 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5052 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5055 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5057 PR rtl-optimization/26296
5058 * Makefile.in (loop-invariant.c): Add except.h dependency.
5059 * loop-invariant.c: Include except.h.
5060 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5062 2005-02-16 Paul Brook <paul@codesourcery.com>
5064 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5067 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5069 PR rtl-optimization/25636
5070 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5071 when deciding whether an insn is an initializing insn.
5073 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5075 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5076 (tree_code_size): Ditto.
5077 * tree.h (struct tree_memory_tag): Remove parent_var.
5078 (struct tree_struct_field_tag): New.
5081 (union tree_node): Add sft member.
5082 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5084 (create_sft): Add size and offset argument, set SFT_OFFSET and
5086 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5087 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5088 * tree-flow-inline.h (get_subvar_at): Update for
5089 SFT_OFFSET/SFT_SIZE.
5090 (var_can_have_subvars): Ditto.
5091 (overlap_subvar): Ditto.
5092 * print-tree.c (print_node): Print out interesting things for
5094 * tree-flow.h (struct subvar): Remove offset and size members.
5095 * tree-ssa-operands.c (get_expr_operands): Update for
5096 get_indirect_ref_operands changes.
5097 (get_indirect_ref_operands): Call add_virtual_operand instead of
5098 add_stmt_operand. Only recurse on base var if requested.
5099 (access_can_touch_variable): New function.
5100 (add_stmt_operand): Split virtual operand handling into ...
5101 (add_virtual_operand): Here. Add offset, size, and for_clobber
5102 arguments. Prune alias sets.
5103 (add_call_clobber_ops): Call add_virtual_operand.
5105 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5108 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5110 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5111 than TREE_CODE as index into omp_clause_num_ops array.
5113 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5115 PR rtl-optimization/26184
5116 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5118 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5119 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5120 must_precede, must_follow and tobe_scheduled.
5123 * opts.c (common_handle_option): Free new_option pointer.
5124 * df-core.c (df_analyze): Free postorder pointer.
5126 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5128 * Makefile.in: Fix the examples about the use of stamps
5130 2006-02-15 Michael Matz <matz@suse.de>
5134 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5135 influenced by maximum_field_alignment or DECL_PACKED.
5136 (update_alignment_for_field): Ditto.
5137 (place_field): Ditto.
5138 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5141 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5143 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5144 (debug_flow_info): Pass it.
5145 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5146 * bb-reorder.c (reorder_basic_blocks): Likewise.
5147 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5148 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5149 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5150 * gcse.c (gcse_main, bypass_jumps): Likewise.
5151 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5152 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5153 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5154 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5155 * rtl.h (dump_flow_info): Adjust prototype.
5156 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5157 * var-tracking.c (variable_tracking_main): Likewise.
5158 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5159 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5162 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5164 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5167 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5169 PR tree-optimization/26209
5170 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5171 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5173 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5175 2006-02-14 Roger Sayle <roger@eyesopen.com>
5178 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5179 (X,Y) and the corresponding symmetry related transformations.
5180 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5181 (X,Y) and its symmetry related transformations.
5183 2006-02-14 Roger Sayle <roger@eyesopen.com>
5185 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5188 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5190 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5192 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5195 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5196 support COMDAT group.
5197 * configure: Regenerate.
5199 2006-02-14 Roger Sayle <roger@eyesopen.com>
5204 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5206 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5208 Fix PR tree-optimization/26260
5210 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5212 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5213 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5214 * tree-ssa-structalias.c (create_variable_info_for): Use
5215 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5217 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5219 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5221 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5222 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5223 of the ending condition.
5224 * tree-ssa-loop-manip.c: Include params.h.
5225 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5226 tree_unroll_loop): New functions.
5227 * tree-pass.h (pass_loop_prefetch): Declare.
5228 * loop.c (rest_of_handle_loop_optimize): Test for
5229 -fprefetch-loop-arrays-rtl.
5230 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5231 * timevar.def (TV_TREE_PREFETCH): New timevar.
5232 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5233 pass_loop_prefetch): New.
5234 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5235 (cleanup_tree_cfg_loop): Call scev_reset.
5236 * common.opt (fprefetch-loop-arrays-rtl): Add.
5237 * tree-ssa-loop-prefetch.c: New file.
5238 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5239 (new_temp_expr_table): Initialize expr_vars.
5240 (free_temp_expr_table): Cleanup expr_vars.
5241 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5242 expressions from being merged into one.
5243 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5244 (struct tree_niter_desc): Add control, bound and cmp fields.
5245 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5247 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5248 (tree-cfgcleanup.o): Add SCEV_H dependency.
5249 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5250 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5252 2006-02-14 Richard Guenther <rguenther@suse.de>
5254 PR tree-optimization/26258
5255 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5256 in PHI argument processing.
5258 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5260 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5261 new expression in the requested machine mode.
5263 2006-02-13 Roger Sayle <roger@eyesopen.com>
5265 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5266 directly, instead let do_compare_rtx_and_jump handle this for us.
5267 * expr.c (expand_expr_real_1): Likewise.
5268 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5269 before do_jump_by_parts_greater.
5270 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5271 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5273 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5275 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5277 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5279 PR rtl-optimization/26235
5280 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5281 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5284 2006-02-13 Jeff Law <law@redhat.com>
5286 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5289 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5292 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5293 twice if decl is a builtin. When trying again, call get_callee_fndecl
5294 first to verify it is still a builtin.
5296 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5298 * dwarf2out.c (base_type_die): Don't add AT_name here.
5299 (subrange_type_die): Don't add AT_name here.
5300 (modified_type_die): Rearrange code flow. Do add AT_name here.
5302 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5304 PR rtl-optimization/26247
5305 PR rtl-optimization/26248
5306 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5308 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5310 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5311 * config/fixtfdi.c: Likewise.
5312 * config/fixunstfdi.c: Likewise.
5313 * config/floatditf.c: Likewise.
5315 2006-02-13 Roger Sayle <roger@eyesopen.com>
5318 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5319 into (X,C2) if C1 is a subset of the bits of C2. Transform
5320 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5322 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5324 2006-02-13 Josh Conner <jconner@apple.com>
5327 * varasm.c (function_section): Check for section name before
5328 calling select_section on targets that define
5329 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5330 unlikely_text_section instead of hot_function_section if
5331 first_function_block_is_cold.
5333 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5336 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5338 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5340 PR rtl-optimization/26222
5341 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5342 after tree->rtl expansion.
5343 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5344 before passing it to emit_move_insn.
5346 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5348 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5350 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5351 Clarify documentation.
5352 * c-common.h (warn_write_strings): Remove.
5353 * c-common.c (warn_write_strings): Likewise.
5354 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5357 2006-02-12 Roger Sayle <roger@eyesopen.com>
5360 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5361 (do_jump_parts_zero_rtx): New function renamed from
5362 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5363 (do_jump_parts_equality_rtx): New function split out from
5364 do_jump_parts_equality. Old implementation renamed as above.
5365 Call do_jump_parts_zero_rtx if either operand is zero.
5366 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5367 do all of the heavy lifting.
5368 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5369 calling either do_jump_by_parts_greater_rtx or
5370 do_jump_by_parts_equality_rtx.
5371 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5372 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5373 moved to do_compare_rtx_and_jump, call it directly.
5374 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5375 mode argument. Call do_compare_rtx_and_jump.
5376 (emit_case_nodes): Update calls to do_jump_if_equal.
5378 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5380 PR rtl-optimization/26225
5381 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5383 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5385 PR rtl-optimization/26232
5386 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5388 2006-02-11 Jason Merrill <jason@redhat.com>
5391 * tree-inline.c (declare_return_variable): Just don't use the
5392 modify target if it's a gimple complex reg and the return slot
5395 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5397 * doc/contrib.texi: Update my entry.
5399 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5401 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5403 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5405 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5408 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5410 * doc/invoke.texi (-floop-optimize2): Removed.
5411 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5412 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5413 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5414 * common.opt (floop-optimize2): Removed.
5415 (fmove-loop-invariants): Enabled by default.
5417 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5419 * tree-if-conv.c (combine_blocks): Free the result of
5420 get_loop_exit_edges.
5422 2006-02-10 Jeff Law <law@redhat.com>
5424 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5426 PR tree-optimization/26213
5427 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5428 loop trying to follow SSA_NAME_VALUE chains.
5430 2006-02-10 Richard Guenther <rguenther@suse.de>
5432 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5433 deal with structures that end in implicitly variable sized arrays.
5435 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5437 PR rtl-optimization/24762
5438 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5441 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5443 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5444 (struct ivopts_data): Add regs_used field.
5445 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5446 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5447 instead of loop_data->regs_used;
5448 (free_loop_data): Do not free aux fields for loops.
5449 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5450 and tree_ssa_iv_optimize_finalize.
5452 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5454 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5456 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5459 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5460 computing the effective result type.
5462 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5465 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5466 (tree_overlaps_hard_reg_set): Declare.
5467 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5468 type and signature to match function type expected by walk_tree.
5469 (tree_overlaps_hard_reg_set): New function.
5470 (decl_conflicts_with_clobbers_p): Rename to:
5471 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5472 Use tree_overlaps_hard_reg_set. Changed caller.
5473 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5474 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5475 * cris.c (cris_md_asm_clobbers): Likewise.
5477 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5479 * reload1.c (emit_input_reload_insns): Delete code that tries to
5480 inherit using find_equiv_reg.
5482 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5484 * c-common.h (flag_const_strings): Don't declare.
5485 * c-common.c (flag_const_strings): Remove.
5486 * c.opt (fconst_strings): Remove.
5487 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5488 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5489 (c_common_init_options): Don't set flag_const_strings.
5490 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5492 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5494 * arm.md (tlobits_cbranch): New pattern.
5495 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5496 testing a single bit.
5498 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5501 * tree-ssa-pre.c (create_component_ref_by_pieces):
5502 Handle RETURN_DECL like VAR_DECL.
5504 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5507 * fold-const.c (fold_indirect_ref_1): Fold
5508 "*(foo *)&complexfoo" to "__real__ complexfoo"
5509 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5511 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5513 * tree-flow-inline.h (var_can_have_subvars):
5514 Volatile variables should not have subvariables.
5516 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5519 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5520 multiplying unsigned values.
5523 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5525 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5527 2006-02-08 Jason Merrill <jason@redhat.com>
5530 * tree.def: Elaborate on difference from MODIFY_EXPR.
5531 * doc/c-tree.texi (INIT_EXPR): Likewise.
5532 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5533 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5534 (gimplify_target_expr): Likewise.
5535 (gimplify_cond_expr): Remove target handling.
5536 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5537 (gimplify_expr): Clobber it here.
5538 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5539 Do return slot optimization if we have an INIT_EXPR.
5542 * tree-inline.c (declare_return_variable): Also clear
5543 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5546 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5549 * gimplify.c (gimplify_one_sizepos): Fix typo.
5551 2006-02-08 Jeff Law <law@redhat.com>
5553 PR tree-optimization/21417
5554 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5555 across a backedge if the control statement at the end of the
5556 block is data dependent on other statements in the same block.
5557 (record_temporary_equivalences_from_stmts): Remove over-conservative
5558 test for threading across backedges.
5560 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5561 control statement, handle all three special cases in the same
5562 manner as they all have the same desired solution. No longer
5563 special case edge flag updating when the post dominator is
5566 2006-02-08 Roger Sayle <roger@eyesopen.com>
5568 * tree.def (CHAR_TYPE): Remove.
5569 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5570 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5571 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5572 (gen_string_type_die): Delete unreachable function.
5574 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5575 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5576 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5577 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5578 * builtins.c (type_to_class): Likewise.
5579 * fold-const.c (fold_convert, build_range_check,
5580 merge_ranges): Likewise.
5581 * expr.c (count_type_elements): Likewise.
5582 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5583 * stor-layout.c (layout_type): Likewise.
5584 * ipa-type-escape.c (type_to_consider): Likewise.
5585 * gimplify.c (omp_firstprivatize_type_sizes,
5586 gimplify_type_sizes): Likewise.
5587 * explow.c (promote_mode): Likewise.
5588 * tree-sra.c (is_sra_scalar_type): Likewise.
5589 * varasm.c (output_constant): Likewise.
5590 * tree-inline.c (remap_type_1): Likewise.
5591 * convert.c (convert_to_pointer, convert_to_real,
5592 convert_to_integer, convert_to_complex): Likewise.
5594 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5596 * df-scan.c (df_def_record_1): A set destination may
5597 be a parallel regardless of mode.
5599 2006-02-08 Roger Sayle <roger@eyesopen.com>
5602 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5603 * config/mips/_tilib.c: Remove.
5604 * config/fixtfdi.c: New libgcc source file.
5605 * config/fixunstfdi.c: New source file.
5606 * config/floatditf.c: New source file.
5607 * config/floatunditf.c: New souce file.
5608 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5609 files above instead of config/mips/_tilib.c.
5610 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5612 2006-02-08 Jeff Law <law@redhat.com>
5614 PR tree-optimization/26169
5615 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5618 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5620 * df.h (DF_REG_SIZE): Return the length of the initialized
5623 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5625 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5626 __muldf3): Return a correctly signed zero.
5628 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5630 * passes.c (register_one_dump_file): Accept the current properties
5631 instead of pass number. Adjust call to dump_register. Remove
5633 (register_dump_files): Now a wrapper around...
5634 (register_dump_files_1): ... this one. Do not modify the pass
5636 (next_pass_1): Cosmetic fix.
5637 (execute_todo): Keep second parameter only. Use curr_properties
5638 instead of fetching it from the pass structure. Check and set
5640 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5641 instead of fetching it from the pass structure. Fix calls to
5642 execute_todo. Update curr_properties and initialize .vcg RTL dump
5643 after running the pass. Reset last_verified.
5644 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5646 (FIRST_AUTO_NUMBERED_DUMP): New.
5647 (dump_register): Remove "num" parameter, assign it within the
5649 (get_dump_file_name): Modify template for dumps.
5650 * tree-dump.h (dump_register): Adjust prototype.
5651 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5652 (PROP_trees): Add PROP_gimple_lomp.
5653 (TODO_set_props): New.
5654 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5655 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5656 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5658 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5660 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5661 (sparc64-*-linux*): Likewise.
5662 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5663 * config/sparc/t-linux: New file.
5664 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5665 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5666 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5667 -m32 -mlong-double-128.
5669 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5670 * config/alpha/t-linux: New file.
5671 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5673 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5674 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5675 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5676 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5677 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5678 (CPP_ARCH32_SPEC): Remove.
5680 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5682 PR tree-optimization/26145
5683 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5686 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5689 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5690 >= 240000 when generating code for SOM runtime.
5691 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5692 to $$dyncall when generating code for SOM runtime..
5694 2006-02-07 Dirk Mueller <dmueller@suse.com>
5697 * doc/invoke.texi (-Wsequence-point): Update documentation
5698 that -Wsequence-point is implemented for C++ as well.
5700 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5702 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5703 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5704 (LIB_SPEC): Likewise.
5705 * doc/invoke.texi (SPARC options): Document -pthread.
5707 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5709 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5712 2006-02-07 Roger Sayle <roger@eyesopen.com>
5714 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5715 Correct comment describing BOOLEAN_TYPE.
5717 2006-02-07 Dirk Mueller <dmueller@suse.com>
5719 * c.opt: C++ frontend supports -Wdiv-by-zero.
5720 * c-opts.c (c_common_handle_option): Remove dead case.
5722 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5724 * configure.ac (TLS assembler check): Do not enable TLS by
5725 default on SPARC/Solaris before version 10.
5726 * configure: Regenerate.
5728 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5730 * doc/invoke.texi (xl-compat): Document conversion and support
5733 2006-02-07 Jeff Law <law@redhat.com>
5735 * tree-vrp.c (find_conditional_asserts): Update comments.
5736 (simplify_stmt_for_jump_threading): New.
5737 (identify_jump_threads, finalize_jump_threads): New.
5738 (vrp_finalize): Call identify_jump_threads.
5739 (execute_vrp): Call finalize_jump_threads.
5740 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5741 (vrp_element, vrp_data, vrp_element_p): Remove.
5742 (vrp_hash_elt, vrp_variables_stack): Remove.
5743 (vrp_hash, vrp_eq, record_range): Remove.
5744 (simplify_cond_and_lookup_avail_expr): Remove.
5745 (extract_range_from_cond): Remove.
5746 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5747 (simplify_stmt_for_jump_threading): New.
5748 (dom_thread_across_edge): New wrapper.
5749 (tree_ssa_dominator_optimize): No longer initialize or
5750 finalize any of the VRP datastructures. Remove iteration
5751 step and simplify as a result of removal of iteration step.
5752 (pass_dominator): Perform a cfg cleanup after DOM.
5753 (dom_opt_finalize_block): Use the new common routines
5754 for threading jumps. Simplify stack management slightly.
5755 No longer need to unwind VRP state.
5756 (record_equivalences_from_incoming_edge): No longer record
5758 (eliminate_redundant_computations): No longer call
5759 simplify_cond_and_lookup_avail_expr.
5760 * tree-flow.h (potentially_threadable_block): Prototype.
5761 (thread_across_edge): Likewise.
5762 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5763 (tree-ssa-threadedge.o): Add dependencies.
5764 * tree-ssa-threadedge.c: New file.
5765 * passes.c (init_optimization_passes): Merge PHIs before
5766 calling VRP. Run VRP again late in the SSA optimization pipeline.
5768 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5770 * df-core.c (df_set_blocks): Do not dereference function pointers.
5771 (df_finish1): Likewise.
5772 (df_hybrid_search_forward): Likewise.
5773 (df_hybrid_search_backward): Likewise.
5774 (df_iterative_dataflow): Likewise.
5775 (df_analyze_problem): Likewise.
5776 (df_compact_blocks): Likewise.
5777 (df_dump): Likewise.
5778 * df-scan.c (df_rescan_blocks): Likewise.
5779 (df_record_entry_block_defs): Likewise.
5781 * genconditions.c (write_conditions): Guard the definition of
5782 'insn_conditions' with the check on GCC version.
5783 (write_writer): Guard the traversal 'insn_conditions' with
5784 the check on GCC version.
5786 2006-02-07 Richard Guenther <rguenther@suse.de>
5790 2006-01-30 Richard Guenther <rguenther@suse.de>
5792 * gimplify.c (gimplify_target_expr): Handle easy cases
5793 without creating a temporary.
5795 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5797 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5798 use of float in probability computations. Use edge probabilities
5799 in place of statically computed probabilities.
5800 (min_spec_prob): New static variable.
5801 (schedule_insns): Initialize it.
5802 (GET_SRC_PROB): Removed.
5803 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5805 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5808 * config/ia64/unwind-ia64.c: Revert last change.
5809 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5810 (INCOMING_FRAME_SP_OFFSET): Define.
5812 2006-02-06 Roger Sayle <roger@eyesopen.com>
5814 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5816 2006-02-07 Ben Elliston <bje@au.ibm.com>
5818 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5819 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5820 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5821 (ix86_return_in_memory): Handle TDmode.
5822 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5823 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5825 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5827 * reorg.c (dbr_schedule): Use dump_file instead of file.
5829 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5832 * config/ia64/predicates.md (extr_len_operand): New predicate.
5833 * config/ia64/ia64.md (extv): Tighten constraints.
5835 (*tbit_and_2): Ditto.
5836 (*tbit_and_3): Ditto.
5837 (*tbit_or_2): Ditto.
5838 (*tbit_or_3): Ditto.
5842 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5845 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5847 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5849 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5850 loop_optimizer_init and loop_optimizer_finalize
5851 * tree-ssa-sink.c (execute_sink_code): Ditto.
5852 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5853 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5854 tree_ssa_loop_done): Ditto.
5855 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5856 * sched-ebb.c: Include output.h.
5857 (schedule_ebbs): Do not use dump argument.
5858 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5859 * loop.c (loop_dump_stream): Removed.
5860 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5862 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5863 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5864 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5865 loop_iterations, strength_reduce, record_biv, record_giv,
5866 final_giv_value, check_final_value, check_ext_dependent_givs,
5867 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5868 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5869 dump_file instead of loop_dump_stream.
5870 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5872 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5874 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5875 * haifa-sched.c: Include output.h
5876 (schedule_insns, sched_init): Do not use dump argument.
5877 * mode-switching.c (optimize_mode_switching): Ditto.
5878 * modulo-sched.c (stats_file): Removed.
5879 (print_node_sched_params): Do not call argument dump_file.
5880 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5881 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5883 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5885 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5886 rtl_loop_init, rtl_loop_done): Ditto.
5887 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5888 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5890 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5891 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5892 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5893 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5894 * emit-rtl.c (renumber_insns): Ditto.
5895 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5896 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5897 * regclass.c (regclass): Ditto.
5898 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5899 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5900 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5901 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5903 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5904 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5906 * gcse.c (gcse_file, debug_stderr): Removed.
5907 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5908 rest_of_handle_gcse): Do not use dump argument.
5909 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5910 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5911 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5912 compute_code_hoist_vbeinout, compute_code_hoist_data,
5913 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5914 compute_store_table, build_store_vectors, insert_insn_start_bb,
5915 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5916 store_motion): Use dump_file instead of gcse_file.
5917 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5918 * profile.c (profile_dump_file): Removed.
5919 (branch_prob): Use dump_file instead of profile_dump_file.
5920 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5922 * tree-ssa-copy.c (dump_copy_of): Ditto.
5923 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5924 dump file to life_analysis.
5925 * bt-load.c (branch_target_load_optimize): Ditto.
5926 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5928 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5929 regclass, dbr_schedule): Declaration changed.
5930 * sched-int.h (sched_init): Declaration changed.
5931 * tree-profile.c (tree_profile_dump_file): Removed.
5932 (tree_profile_hooks): Removed profile_dump_file hook.
5933 * rtl-profile (rtl_profile_dump_file): Removed.
5934 (rtl_profile_hooks): emoved profile_dump_file hook.
5935 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5937 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5938 * tree-cfg.c (build_tree_cfg): Ditto.
5939 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5940 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5941 Declaration changed.
5942 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5943 life_analysis and schedule_insns.
5944 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5946 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5948 * config/mips/mips.c (mips_reorg): Ditto.
5949 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5952 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5954 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5955 (s390_mangle_fundamental_type): New.
5956 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5959 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5960 (alpha_mangle_fundamental_type): New.
5961 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5964 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5966 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5968 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5969 (sparc_mangle_fundamental_type): New.
5971 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5973 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5974 (s390x-*-linux*): Likewise.
5975 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5976 * config/s390/t-linux: New file.
5978 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5980 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5981 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5983 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5985 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5986 (ANTIC_SAFE_LOADS): New macro.
5987 (find_or_generate_expression): Add prototype.
5988 (set_contains_value): Allow null set for sake of not always having
5989 to allocate ANTIC_SAFE_LOADS.
5990 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5991 Allow COMPONENT_REF too.
5992 (valid_in_set): Allow COMPONENT_REF.
5993 Check ANTIC_SAFE_LOADS too.
5994 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5995 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5997 (can_PRE_operation): Add COMPONENT_REF.
5998 (create_component_ref_by_pieces): New function.
5999 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6000 (insert_aux): Move AGGREGATE_TYPE_P check here.
6001 (compute_avail): Set bb local stmt uids.
6002 (pass_pre): Use TODO_update_ssa_only_virtuals.
6004 2006-02-06 Ben Elliston <bje@au.ibm.com>
6006 * configure.ac: Unconditionally disable decimal float by default.
6007 * configure: Regenerate.
6009 2006-02-06 Ben Elliston <bje@au.ibm.com>
6011 * read-rtl.c (read_name): Terminate reading on EOF.
6013 2006-02-06 Ben Elliston <bje@au.ibm.com>
6015 * dfp.c (decimal_real_arithmetic): Change second argument type
6016 from int to enum tree_code. Do not always return true, but now
6017 return result of any call to decimal_do helper functions.
6018 * dfp.h (decimal_real_arithmetic): Update prototype.
6020 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6022 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6024 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6027 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6030 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6032 * tree-vrp.c (cfg_loops): Removed.
6033 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6034 Use current_loops instead of cfg_loops. Pass flags to
6035 loop_optimizer_init.
6036 * cfgloopmanip.c (fix_loop_structure): Update only available
6038 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6039 loop_optimizer_init.
6040 * modulo-sched.c (build_loops_structure): Removed.
6041 (sms_schedule): Use loop_optimizer_init.
6042 * loop-init.c (loop_optimizer_init): Use flags to determine
6043 which properties of loops to prepare.
6044 (rtl_loop_init): Pass flags to loop_optimizer_init.
6045 * tree-ssa-sink.c (execute_sink_code): Ditto.
6046 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6047 * tree-ssa-pre.c (init_pre): Ditto.
6048 * cfgloop.h (LOOPS_NORMAL): New.
6049 (loop_optimizer_init): Declaration changed.
6051 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6053 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6054 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6056 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6058 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6060 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6061 * pa/t-pa64: Delete quadlib.c rule.
6062 * pa/x-ada: Revert last change.
6063 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6065 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6067 PR rtl-optimization/26087
6068 * rtlanal.c (canonicalize_condition): Do not cross basic block
6071 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6074 * config/ia64/ia64.c: Include debug.h.
6075 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6076 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6077 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6078 (process_epilogue, process_set, process_for_unwind_directive):
6079 Output unwind info only if requested. Add CFA info if requested.
6080 Add new arguments as needed. Adjust callers.
6081 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6083 (DWARF2_FRAME_INFO): Define to zero.
6084 * config/ia64/unwind-ia64.c: Remove code that compensated for
6085 the CFA offset error fixed above.
6086 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6087 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6088 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6089 -funwind-tables and -fexceptions to enable frame info.
6090 (dwarf2out_frame_init): Define initial CFA even if
6091 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6092 DWARF2_UNWIND_INFO is nonzero, not just defined.
6093 (dwarf2out_frame_finish): Output non-EH call frame info only
6094 if DWARF2_FRAME_INFO is nonzero.
6095 (convert_cfa_to_loc_list,
6096 compute_frame_pointer_to_cfa_displacement): Define even if
6097 unwind info is not supported.
6098 (gen_subprogram_die): Use the above unconditionally. Remove
6099 legacy alternate code.
6100 * toplev.c (compile_file): Compile in call to
6101 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6102 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6104 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6105 Jakub Jelinek <jakub@redhat.com>
6107 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6108 IBM extended float format long double as "g" on powerpc*-linux.
6110 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6113 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6114 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6116 2006-02-03 Jason Merrill <jason@redhat.com>
6119 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6122 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6123 on the return slot if it's an NRV.
6125 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6127 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6128 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6129 rewrite_use): Do not handle USE_OUTER.
6130 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6131 add_iv_outer_candidates, may_replace_final_value,
6132 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6133 (find_interesting_uses_op): Functionality of
6134 find_interesting_uses_outer_or_nonlin moved here.
6135 (find_interesting_uses_outside): Use find_interesting_uses_op.
6137 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6140 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6142 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6143 Ulrich Weigand <uweigand@de.ibm.com>
6146 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6147 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6148 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6149 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6151 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6152 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6153 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6154 Define secondary reloads for TFmode moves.
6155 (constant_modes): Add TFmode.
6156 (NR_C_MODES): Set to 8.
6157 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6159 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6160 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6161 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6162 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6163 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6164 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6165 (FPR mode macro): Add TFmode.
6166 (DSF mode macro): New.
6167 (<de>, <dee> mode attributes): Removed.
6168 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6169 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6170 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6171 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6172 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6173 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6174 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6175 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6176 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6177 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6178 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6179 "*negabs<mode>2", "sqrt<mode>2"):
6180 Changed <de> to <xde>. R constraint replaced by <Rf>.
6181 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6183 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6184 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6185 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6187 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6188 "extenddftf2", "extendsftf2"): New expanders.
6189 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6190 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6191 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6192 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6194 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6195 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6196 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6197 __floatditf): Add a GCC_4.1.0 symbol version tag.
6198 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6201 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6204 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6205 Use targetm.binds_local_p instead of TREE_PUBLIC.
6207 2006-02-02 Roger Sayle <roger@eyesopen.com>
6209 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6210 on INTEGER_TYPEs to indicate that it denotes a character type.
6211 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6212 signed_char_type_node, unsigned_char_type_node and char_type_node.
6213 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6214 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6215 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6217 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6218 Daniel Berlin <dberlin@dberlin.org>
6220 * tree-tailcall.c (arg_needs_copy_p): New function.
6221 (eliminate_tail_call): Use arg_needs_copy_p.
6222 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6223 (add_virtual_phis): New function.
6225 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6227 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6228 #ignore instead of #scratch for %g7 .register directive.
6230 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6232 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6235 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6237 * flow.c (calculate_global_regs_live): Assert that there aren't any
6240 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6242 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6244 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6245 bsi_after_labels iterator.
6246 * tree-if-conv.c (find_phi_replacement_condition,
6247 replace_phi_with_cond_modify_expr): Likewise.
6248 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6249 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6251 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6253 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6255 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6258 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6259 array after growing it.
6261 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6264 * fold-const.c (fold_checksum_tree): Change type of buf.
6266 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6268 * reload.c (push_secondary_reload): Initialize t_icode.
6270 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6272 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6273 -msoft-float -mlong-double-128 only issue a warning, but don't
6274 swich to DFmode long double.
6276 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6278 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6279 has a constant equivalent, iterate over equivalents for arg0,
6280 calling simplify_relational_operation and if there's a result
6281 cheaper than X, apply fold_rtx and return the result.
6283 2006-02-01 Jan Hubicka <jh@suse.cz>
6285 * opts.c (no_unit_at_a_time_default): New global variable.
6286 (decode_options): Use it.
6287 * opts.h (no_unit_at_a_time_default): Declare.
6289 2006-02-01 Paul Brook <paul@codesourcery.com>
6291 * function.c (assign_parm_setup_reg): Use function argument promotion
6293 * expr.c (expand_expr_real_1): Use function argument promotion rules
6296 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6298 * gcc.c (process_command): Change j to 'unsigned int'.
6300 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6303 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6304 Use the corrected index for the character
6305 out of the string constant.
6307 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6309 * mode-switching.c (optimize_mode_switching): Fix size
6310 allocated for bb_info[n_entities].
6312 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6314 * gcc.c (main): Correct type that is allocated for
6315 explicit_link_files.
6317 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6319 * config/s390/s390.c (init_alignment_context): Set
6320 ALIAS_SET_MEMORY_BARRIER on the MEM.
6321 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6323 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6326 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6328 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6331 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6333 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6334 * regrename.c: Ditto.
6335 * tree-ssa-loop-im.c: Ditto.
6336 * tree-dump.c: Ditto.
6337 * tree-complex.c: Ditto.
6338 * genrecog.c: Ditto.
6339 * tree-ssa-threadupdate.c: Ditto.
6341 * java/class.c: Ditto.
6342 * java/jcf-parse.c: Ditto.
6343 * java/resource.c: Ditto.
6344 * java/except.c: Ditto.
6345 * java/jvspec.c: Ditto.
6346 * java/jcf-write.c: Ditto.
6347 * java/jcf-path.c: Ditto.
6348 * java/gjavah.c: Ditto.
6349 * java/zextract.c: Ditto.
6350 * java/jcf-io.c: Ditto.
6351 * java/jcf.h: Ditto.
6352 * java/buffer.c: Ditto.
6353 * java/lang.c: Ditto.
6354 * java/parse-scan.y: Ditto.
6355 * java/lex.c: Ditto.
6356 * java/lex.h: Ditto.
6357 * cfgloopmanip.c: Ditto.
6358 * postreload-gcse.c: Ditto.
6359 * tree-ssa-loop-manip.c: Ditto.
6360 * postreload.c: Ditto.
6361 * tree-ssa-loop-ch.c: Ditto.
6365 * diagnostic.c: Ditto.
6367 * genoutput.c: Ditto.
6369 * cfghooks.c: Ditto.
6370 * cfgloopanal.c: Ditto.
6371 * objc/objc-act.c: Ditto.
6373 * genextract.c: Ditto.
6374 * genautomata.c: Ditto.
6375 * pretty-print.c: Ditto.
6377 * cgraphunit.c: Ditto.
6380 * haifa-sched.c: Ditto.
6381 * dominance.c: Ditto.
6383 * tree-ssa-loop-ivopts.c: Ditto.
6385 * mode-switching.c: Ditto.
6386 * modulo-sched.c: Ditto.
6388 * ipa-pure-const.c: Ditto.
6390 * fix-header.c: Ditto.
6392 * tree-stdarg.c: Ditto.
6393 * ipa-utils.c: Ditto.
6394 * loop-init.c: Ditto.
6395 * ipa-inline.c: Ditto.
6398 * alloc-pool.c: Ditto.
6399 * dwarf2out.c: Ditto.
6401 * genattrtab.c: Ditto.
6402 * tree-ssa-loop-ivcanon.c: Ditto.
6406 * fortran/gfortranspec.c: Ditto.
6408 * local-alloc.c: Ditto.
6409 * langhooks.c: Ditto.
6410 * function.c: Ditto.
6411 * tree-vectorizer.c: Ditto.
6413 * ipa-type-escape.c: Ditto.
6415 * tree-if-conv.c: Ditto.
6418 * tree-data-ref.c: Ditto.
6419 * loop-unroll.c: Ditto.
6420 * treelang/treetree.c: Ditto.
6423 * ggc-common.c: Ditto.
6425 * coverage.c: Ditto.
6427 * tree-cfgcleanup.c: Ditto.
6428 * tree-ssa-pre.c: Ditto.
6429 * cfgcleanup.c: Ditto.
6430 * loop-invariant.c: Ditto.
6432 * ipa-prop.c: Ditto.
6433 * print-tree.c: Ditto.
6434 * conflict.c: Ditto.
6435 * ggc-page.c: Ditto.
6436 * sched-deps.c: Ditto.
6437 * regclass.c: Ditto.
6438 * tree-object-size.c: Ditto.
6440 * bb-reorder.c: Ditto.
6441 * resource.c: Ditto.
6442 * var-tracking.c: Ditto.
6444 * df-problems.c: Ditto.
6445 * reg-stack.c: Ditto.
6448 * sched-rgn.c: Ditto.
6449 * tree-ssa-structalias.c: Ditto.
6450 * tree-ssa-reassoc.c: Ditto.
6451 * config/darwin-c.c: Ditto.
6452 * config/darwin.c: Ditto.
6453 * config/arm/arm.c: Ditto.
6455 * collect2.c: Ditto.
6458 2006-01-31 Nicolas Pitre <nico@cam.org>
6460 * arm.md (smaxsi3): Make aware of smax_m1.
6463 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6465 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6467 2006-01-31 Richard Guenther <rguenther@suse.de>
6469 * doc/invoke.texi (-msselibm): Document.
6470 * target.h (expand_library_builtin): New target hook.
6471 * builtins.c (expand_builtin): Use expand_library_builtin.
6472 (default_expand_library_builtin): New function.
6473 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6474 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6475 (link_gcc_math_spec): Declare.
6476 (static_specs): Add link_gcc_math_spec.
6477 * expr.h (default_expand_library_builtin): Declare.
6478 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6479 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6480 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6481 * config/i386/i386.opt (msselibm): New target option.
6482 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6483 (ix86_init_sse_abi_builtins): New function.
6484 (ix86_expand_library_builtin): Likewise.
6485 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6486 (override_options): Handle error conditions wrt -msselibm.
6487 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6488 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6489 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6492 2006-01-31 Richard Guenther <rguenther@suse.de>
6493 Paolo Bonzini <bonzini@gnu.org>
6495 * doc/install.texi (--disable-libgcc-math): Document.
6497 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6499 * expr.h (expand_normal): new inline function.
6500 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6502 * dwarf2out.c: use it.
6507 * config/sparc/sparc.c: use it.
6508 * config/i386/i386.c: use it.
6509 * config/rs6000/rs6000.c: use it.
6510 * config/arm/arm.c: use it.
6511 * config/mips/mips.c: use it.
6512 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6514 2006-01-30 Roger Sayle <roger@eyesopen.com>
6516 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6517 argv to the appropriate type.
6519 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6521 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6524 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6527 * config/s390/s390.c (struct machine_function): New flag
6528 decomposed_literal_pool_addresses_ok_p.
6529 (s390_reorg): Set it before final stage of literal pool transforms.
6530 (s390_decompose_address): Only accept displacements of the form
6531 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6533 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6535 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6536 the comparison routine return.
6538 2006-01-30 Michael Matz <matz@suse.de>
6540 * global.c (find_reg): Only evict for global regs.
6541 Take n_refs into account and dump more info.
6543 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6546 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6547 (pragma_trap, pragma_nosave_low_regs): Likewise.
6548 (current_function_anonymous_args): Likewise.
6549 (sh_deferred_function_attributes): New variable.
6550 (sh_deferred_function_attributes_tail): Likewise.
6551 (print_operand): For '@', look up trap_exit attribute.
6552 (calc_live_regs): Look up trapa_handler attribute. For trapa
6553 handlers, save/restore fpscr, but don't do any other
6554 interrupt-specific saves.
6555 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6556 Fix check for partially saved registers to check for SHmedia.
6557 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6558 (sh_output_function_epilogue): Don't clear any of the removed
6560 (sh_insert_attributes): Don't check pragma_interrupt.
6561 Insert deferred attributes. Check that interrupt attribute is
6562 present for other attributes that require its presence.
6563 (sh_attribute_table): Add new attributes trapa_handler and
6565 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6566 Don't check for pragma_interrupt. Don't store argument.
6567 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6568 (sh_deferred_function_attributes): Declare.
6569 (sh_deferred_function_attributes_tail): Likewise.
6570 * sh.md (sp_switch_1): Add operand. Change generator caller.
6571 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6572 (*return_i): Don't use when trap_exit attribute is in effect.
6573 (*return_trapa): New insn pattern.
6575 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6576 setting c_target_objs and cxx_target_objs.
6577 * t-sh: Add rule for sh-c.o.
6579 2006-01-30 Richard Guenther <rguenther@suse.de>
6582 * gimplify.c (gimplify_target_expr): Handle easy cases
6583 without creating a temporary.
6585 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6587 * vec.h (safe_grow): Remove duplicated line.
6589 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6592 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6593 (expand_omp): ... here.
6594 (expand_omp_parallel): Only remove barriers for combined
6595 parallel+workshare constructs.
6597 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6601 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6602 * tree.c (build_qualified_type): Chain the new type to the original
6603 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6604 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6605 (build_pointer_type_for_mode): Only return unqualified types.
6606 (build_reference_type_for_mode): Likewise.
6608 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6610 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6611 * Makefile.in (CXX_COMPAT_WARN): Define.
6612 * configure: Regenerate.
6614 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6617 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6620 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6622 * toplev.c: Fix thinko.
6624 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6625 Marcin Dalecki <martin@dalecki.de>
6627 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6628 (push_srcloc): Use XNEW.
6629 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6631 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6633 * df-core.c (df_set_blocks): Deleted all variable.
6635 2006-01-28 Ian Lance Taylor <ian@airs.com>
6637 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6638 cgraph_output_pending_asms.
6640 2006-01-28 Zack Weinberg <zackw@panix.com>
6642 * c.opt: Add -W(no-)overlength-strings.
6643 * doc/invoke.texi: Document it.
6644 * c-opts.c (c_common_handle_option): -pedantic implies
6645 -Woverlength-strings, if not explicitly disabled already.
6646 (c_common_post_options): -Woverlength-strings defaults to off, and
6647 is always off for C++.
6648 * c-common.c (fix_string_type): Issue warning about strings longer
6649 than is portable only if warn_overlength_strings. Rearrange code
6650 a little for clarity.
6651 * configure.in: Check for -Wno-overlength-strings as well before
6652 enabling -pedantic in stage 1.
6653 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6654 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6656 * genconditions.c (write_header, write_one_condition)
6657 (write_conditions, write_writer): Consolidate very long strings
6658 that were broken up to fit in C89 portable limit. Don't use
6659 printf when fputs will do.
6661 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6663 * combine.c (simplify_comparison <AND>): Check
6664 TRULY_NOOP_TRUNCATION before start using a subreg.
6666 * config/mips/mips.md (*branch_zero<mode>,
6667 *branch_zero<mode>_inverted, *branch_equality<mode>,
6668 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6669 Remove mode check from comparisons.
6671 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6673 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6675 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6677 * expmed.c (const_mult_add_overflow_p): Remove.
6678 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6680 * recog.c (validate_replace_rtx_subexp): Remove.
6681 * recog.h: Remove the prototype for
6682 validate_replace_rtx_subexp.
6684 * integrate.h: Remove the prototype for
6685 copy_decl_for_inlining.
6686 * rtl.h: Remove the prototype for mark_constant_function.
6687 * tree-vectorizer.h: Remove the prototype for
6688 vect_strip_conversion.
6690 * modulo-sched.c (create_partial_schedule,
6691 free_partial_schedule, reset_partial_schedule): Make them
6694 * hooks.c (hook_bool_rtx_int_false): Remove.
6695 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6697 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6699 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6700 and -mlong-double-128 are incompatible.
6701 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6702 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6703 (TARGET_LIBGCC2_CFLAGS): Define.
6704 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6705 (TARGET_LIBGCC2_CFLAGS): Same.
6706 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6708 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6711 * c-typeck.c (build_binary_op): Perform implicit casts of
6712 operands before shortening them.
6714 * cfgloopmanip.c (split_loop_bb): Remove.
6715 * cfgloop.h: Remove the prototype for split_loop_bb.
6717 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6718 * cfgloop.h: Remove the prototype for
6719 flow_loop_outside_edge_p.
6721 * emit-rtl.c (init_virtual_regs): Make it static.
6722 * function.h: Remove the prototype for init_virtual_regs.
6724 * recog.c (peephole2_optimize): Make it static.
6725 * recog.h: Remove the prototype for peephole2_optimize.
6727 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6729 * df-scan.c (df_record_entry_block_defs): Check if
6730 INCOMING_RETURN_ADDR_RTX is defined.
6732 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6733 Kenneth Zadeck <zadeck@naturalbridge.com>
6735 PR rtl-optimization/24762
6736 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6737 * targhooks.c (hook_void_bitmap): New hook prototype.
6738 * targhoohs.h (hook_void_bitmap): Ditto.
6739 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6740 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6741 * target.h (live_on_entry): New function pointer.
6742 * df-scan.c (df_all_hard_regs): Removed.
6743 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6744 (df_scan_free_internal): Added df->entry_block_defs.
6745 (df_scan_alloc): Ditto.
6746 (df_scan_dump): Ditto.
6747 (df_uses_record): Plumbed flag field properly thru calls.
6748 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6749 This part fixes PR24762.
6750 (df_bb_refs_record): Added code to make the frame and arg
6751 pointers live in EH blocks.
6752 (df_refs_record): Added call to df_record_entry_block_defs.
6753 (df_record_entry_block_defs): New function.
6754 * df-core.c: Added comments to describe new artifical defs.
6755 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6756 (entry_block_defs): New field in struct df.
6757 (df_all_hard_regs): Deleted.
6758 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6759 * df-problems.c (df_ru_bb_local_compute_process_def):
6760 Added code to handle artifical defs in the entry to a function.
6761 (df_ru_bb_local_compute): Ditto.
6762 (df_rd_bb_local_compute_process_def): Ditto.
6763 (df_rd_bb_local_compute): Ditto.
6764 (df_lr_bb_local_compute): Ditto.
6765 (df_ur_bb_local_compute): Ditto.
6766 (df_urec_bb_local_compute): Ditto.
6767 (df_chain_create_bb): Ditto.
6768 (df_ur_local_finalize): Removed entry.
6769 (df_urec_init): Ditto.
6770 (df_urec_local_finalize): Ditto.
6771 (df_ri_bb_compute): Added detection of last use of pseudos.
6772 * Makefile.in (df-scan.o): Updated dependencies.
6773 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6774 * config/mips/mips.c (mips_set_live_on_entry): Added.
6775 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6777 * dce.c (marked_insn_p): Added code to handle artifical defs.
6779 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6781 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6783 (_mm_cvtsi128_si64): Likewise.
6784 (_mm_cvtsd_si64): Likewise.
6785 (_mm_cvttsd_si64): Likewise.
6786 (_mm_cvtsi64_sd): Likewise.
6787 (_mm_cvtsi64_si128): Likewise.
6788 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6789 (_mm_cvtsi64_m64): Likewise.
6790 (_m_to_int64): Likewise.
6791 (_mm_cvtm64_si64): Likewise.
6792 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6793 (_mm_cvttss_si64): Likewise.
6794 (_mm_cvtsi64_ss): Likewise.
6795 (_mm_cvtss_f32): Likewise.
6797 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6799 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6800 for pragma redefine_extname.
6802 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6805 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6806 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6807 -mno-minimal-toc to previous content.
6808 (bispecs): Remove goal.
6809 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6810 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6811 compatibility aliases on powerpc-*-*gnu*.
6812 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6813 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6814 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6815 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6816 (ldblspecs): New goal.
6817 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6818 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6820 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6821 L_sf_to_tf or L_df_to_tf is defined.
6823 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6824 Alan Modra <amodra@bigpond.net.au>
6827 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6828 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6829 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6830 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6831 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6832 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6833 (rs6000_override_options): Initialize rs6000_ieeequad.
6834 Initialize TFmode format to ibm_extended_format if not
6836 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6838 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6839 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6840 (function_arg_advance): IBM long double passed in two FPRs, not
6842 (function_arg): IBM long double passed in FPRs.
6843 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6844 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6845 Only multireg GPR aligned.
6846 (rs6000_init_libfuncs): Enable IBM long double functions if not
6848 (rs6000_generate_compare): Use IBM long double compare if not
6850 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6851 (TARGET_IEEEQUAD): Define.
6852 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6853 not TARGET_IEEEQUAD.
6854 * config/rs6000/rs6000.md: Enable TFmode patterns if
6856 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6857 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6858 and -mlong-double-128 are incompatible.
6859 * doc/invoke.texi (-mabi): Collect options together. Add
6860 ibmlongdouble and ieeelongdouble.
6862 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6864 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6866 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6867 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6868 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6869 * rtl.h (rtunion_def): Remove rt_ptr.
6871 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6872 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6873 * config/i386/winnt.c (i386_pe_mark_dllexport)
6874 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6876 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6878 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6880 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6884 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6885 pthread_key_delete. From John David Anglin. gthrw-ify
6886 pthread_getunique_np only if it it's not a macro. Delete
6888 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6889 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6890 __gthread_objc_condition_signal, __gthread_key_delete): Add
6891 "__attribute__ ((__unused__))" to unused arguments.
6892 (__gthread_recursive_mutex_init_function): Add missing return.
6893 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6894 gthr-posix95.h: Use macro-based approach for name redirection
6895 on targets missing weakref.
6897 2006-01-26 Zack Weinberg <zackw@panix.com>
6899 * genconditions.c (write_header): In generated code, #ifdef out
6900 all includes and fake declarations, except includes of bconfig.h
6901 and system.h, unless GCC_VERSION >= 3001. Do not include
6902 gensupport.h in any case.
6903 (write_conditions): Generate a definition of struct c_test. Add
6904 a comment to the generated #endif.
6905 (write_one_condition): Escape backslashes in string too.
6906 (write_writer): Generated code must escape backslashes and quote
6907 marks (but not newlines) in the strings it writes.
6908 * Makefile.in (build/gencondmd.o): Update dependencies.
6910 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6913 * Makefile.in (insn-automata.o): Add header file dependencies.
6914 * genautomata.c: Add includes.
6916 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6919 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6921 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6923 * configure.ac: Expect target tools paths to be passed from the toplevel
6924 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6926 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6928 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6931 * c.opt (Wpointer-sign): Init to -1.
6932 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6933 OPT_pedantic, to 0 otherwise.
6934 * doc/invoke.texi: Update.
6936 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6938 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6939 constants provided by 80387 instructions in the destination mode.
6941 2006-01-26 Richard Guenther <rguenther@suse.de>
6942 Andrew Pinski <pinskia@physics.uc.edu>
6945 partial PR tree-opt/17064
6946 * tree-ssa-structalias.c (intra_create_variable_infos):
6947 Create heap variables for incoming parameters if
6948 flag_argument_noalias > 1.
6949 (find_what_p_points_to): Look through default defs of
6952 2006-01-26 Jeff Law <law@redhat.com>
6955 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6956 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6957 within the VR_RANGE, use the VR_RANGE as the result, not the
6959 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6960 bounds for the type.
6962 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6964 * tree-ssa-alias.c (maybe_create_global_var): Change
6965 subvar walking to an assertion that we don't have subvar'd variables.
6967 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6970 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6971 Use a new variable, inner. PARM_DECLs are always non-weak.
6973 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6975 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6978 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6980 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6982 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6984 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6985 (smax_insn, smin_insn, smax_0, smin_0): New.
6987 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6990 * config/cris/cris.c (cris_order_for_addsi3): New function.
6991 * config/cris/cris-protos.h: Prototype it.
6992 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6993 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6994 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6995 (split for "op.S1 [rx=rx+i],ry (swapped)")
6996 (split for "op(s|u).S1 [rx=rx+i],ry")
6997 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6998 Apply cris_order_for_addsi3 when generating addsi3 insns.
7000 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7002 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7003 (TREE_BLOCK): Add call to EXPR_CHECK.
7005 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7008 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7009 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7010 (dump_omp_clauses): ... here.
7011 (dump_generic_node): Handle OMP_CLAUSE.
7012 * tree.c (omp_clause_num_ops): New.
7013 (omp_clause_code_name): New.
7014 (tree_code_size): Handle OMP_CLAUSE.
7015 (tree_size): Likewise.
7016 (make_node): Document handling of OMP_CLAUSE.
7017 (tree_node_structure): Handle OMP_CLAUSE.
7018 (omp_clause_check_failed): New.
7019 (omp_clause_range_check_failed): New.
7020 (omp_clause_operand_check_failed): New.
7021 (build_omp_clause): New.
7022 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7023 * tree.h (enum omp_clause_code): Declare.
7024 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7025 (OMP_CLAUSE_RANGE_CHECK): Define.
7026 (OMP_CLAUSE_ELT_CHECK): Define.
7027 (omp_clause_check_failed): Declare.
7028 (omp_clause_operand_check_failed): Declare.
7029 (omp_clause_range_check_failed): Declare.
7030 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7031 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7032 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7033 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7034 (OMP_CLAUSE_IF_EXPR): Likewise.
7035 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7036 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7037 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7038 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7039 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7040 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7041 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7042 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7043 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7044 (OMP_CLAUSE_CODE): Define.
7045 (OMP_CLAUSE_SET_CODE): Define.
7046 (OMP_CLAUSE_CODE): Define.
7047 (OMP_CLAUSE_OPERAND): Define.
7048 (struct tree_omp_clause): Declare.
7049 (union tree_node): Add field 'omp_clause'.
7050 * treestruct.def (TS_OMP_CLAUSE): Define.
7051 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7052 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7053 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7054 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7055 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7056 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7057 (OMP_CLAUSE): Define.
7058 * print-tree.c (print_node): Handle OMP_CLAUSE.
7059 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7060 * c-typeck.c: Likewise.
7061 * gimplify.c: Likewise.
7062 * c-omp.c: Likewise.
7063 * tree-nested.c: Likewise.
7064 * tree-inline.c: Likewise.
7065 * c-parser.c: Likewise.
7066 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7069 2006-01-25 Roger Sayle <roger@eyesopen.com>
7071 PR rtl-optimization/25703
7072 * combine.c (try_combine): Handle zero_extract and strict_low_part
7073 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7075 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7077 * global.c: Fix comment typos.
7079 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7082 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7083 Use output_addr_const instead of assemble_name.
7085 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7087 * Makefile.in (sched-vis.o): Update dependencies.
7088 * haifa-sched.c (sched_finish): Clear current_sched_info.
7089 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7090 (dump_flow_info): Call it.
7091 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7093 * basic-block.h (dump_bb_info): Declare.
7094 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7095 option, and apply options only for dump files whose TDF_RTL,
7096 TDF_TREE, or TDF_IPA bits match.
7097 * rtl.h: Declare new functions exported from sched-vis.c.
7098 * sched-vis.c: Enable also if scheduling is not used.
7099 (print_value): Print the mode of registers if not inside scheduling.
7100 (print_insn): Make it work outside the scheduler. Beautify the output
7102 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7104 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7106 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7107 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7108 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7109 depending on the value of CONSTANT_POOL_ADDRESS_P.
7110 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7112 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7113 rather than SYMBOL_REF_DECL.
7114 (rtx_constant_pool): Remove const_rtx_sym_htab.
7115 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7116 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7117 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7118 Remove handling of const_rtx_sym_htab.
7119 (find_pool_constant): Delete.
7120 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7121 rather than find_pool_constant.
7122 (get_pool_constant_for_function): Delete.
7123 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7125 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7126 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7127 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7128 (SYMBOL_REF_CONSTANT): New macro.
7129 (get_pool_constant_for_function): Delete.
7130 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7131 rather than SYMBOL_REF_DECL.
7132 (i386_pe_mark_dllimport): Likewise.
7133 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7134 rather than SYMBOL_REF_DECL.
7135 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7136 (machopic_indirect_call_target): Likewise.
7138 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7140 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7142 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7144 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7146 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7148 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7150 2006-01-24 David Daney <ddaney@avtrex.com>
7153 * configure.ac (enable_tls): New enable option.
7154 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7155 * configure: Regenerate.
7156 * doc/install.texi (--enable-tls): Document new option.
7157 (--disable-tls): Ditto.
7159 2006-01-24 Richard Henderson <rth@redehat.com>
7161 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7162 * alias.c (true_dependence): Respect it.
7163 (canon_true_dependence, write_dependence_p): Likewise.
7164 * builtins.c (get_builtin_sync_mem): Set it.
7166 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7168 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7171 2006-01-24 DJ Delorie <dj@redhat.com>
7173 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7174 for storing constants in single-bit bitfields.
7176 2006-01-25 Ben Elliston <bje@au.ibm.com>
7178 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7180 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7183 * tree-ssa-pre.c (phi_translate): Return NULL
7184 for AGGREGATE_TYPE's.
7186 2006-01-24 Zack Weinberg <zackw@panix.com>
7188 * genautomata.c (process_state_for_insn_equiv_partition):
7189 Use xcalloc for insn_arcs_array.
7190 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7191 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7193 2006-01-24 Richard Henderson <rth@redhat.com>
7195 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7198 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7200 PR rtl-optimization/25890
7201 PR rtl-optimization/25905
7202 * combine.c (expand_compound_operation, expand_field_assignment):
7203 Fail if the bitfield's final position is out of bounds.
7205 2006-01-24 Ian Lance Taylor <ian@airs.com>
7208 * cgraphunit.c (cgraph_output_in_order): Don't clear
7209 cgraph_asm_nodes until after asm strings have been output.
7211 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7213 * fix-header.c (read_scan_file): Add new parameter imultilib when
7214 calling register_include_chains.
7216 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7218 * omp-low.c: Update documentation.
7220 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7221 Daniel Berlin <dberlin@dberlin.org>
7225 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7226 return from the function.
7228 2006-01-22 Zack Weinberg <zackw@panix.com>
7230 * rtl.def (match_code): Add second argument.
7231 * genpreds.c (write_extract_subexp): New function.
7232 (write_match_code): Add path argument. Use write_extract_subexp.
7233 (write_predicate_expr): Pass path to write_match_code.
7234 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7235 not perform a mode test.
7236 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7237 a subexpression does not constrain the top-level code set.
7238 * read-rtl.c (read_rtx_variadic): New function.
7239 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7240 * doc/md.texi: Document new notation.
7241 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7242 (cmpsi_operand): ... here, using new notation.
7244 2006-01-22 Zack Weinberg <zackw@panix.com>
7246 * varray.c: Remove GENERATOR_FILE #ifdefs.
7248 2006-01-22 Zack Weinberg <zackw@panix.com>
7250 * genautomata.c (output_reserved_units_table): Emit nothing if
7251 description->query_units_num is zero. Remove extra blank line.
7252 (output_cpu_unit_reservation_p): Short circuit
7253 if description->query_units_num is zero.
7255 2006-01-22 Zack Weinberg <zackw@panix.com>
7257 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7258 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7259 nor any of the random handful of variables that used to be necessary
7260 when this program was linked with rtlanal.o. Prune set of forward
7261 function declarations.
7262 (struct attr_desc): Remove static_p field.
7263 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7264 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7265 (attr_string): Do not read the character one past the length of
7267 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7268 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7269 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7270 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7271 (make_automaton_attrs): New.
7272 (main): Do not call into genautomata. Call local gen_bypass
7273 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7274 Remove special case for insn_alts.
7275 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7276 varray.h (leftover from previous change). Prune set of forward
7277 function declarations. Remove state_alts fields from all
7278 structures. Remove state_alts_table from struct automaton.
7279 Make everything except main static. Do not maintain num_dfa_decls.
7280 Do not maintain state_alts fields of various structures.
7281 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7282 (add_arc): Remove state_alts argument. All callers updated.
7283 (output_reserved_units_table): Emit #ifdef here...
7284 (output_tables): ...not here. Don't generate state_alts tables.
7285 (expand_automata): Don't generate attributes.
7286 (write_automata): Don't generate state_alts functions.
7287 (main): New function.
7288 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7289 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7290 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7291 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7292 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7293 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7294 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7295 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7297 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7298 * genattrtab.h: Delete file.
7299 * Makefile.in (OBJS-common): Add insn-automata.o.
7300 (insn-automata.o): New rule.
7301 (simple_generated_c): Add insn-automata.c.
7302 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7303 (genprogmd): Add automata.
7304 (build/genattrtab): Needs no extra objects nor libraries.
7305 (build/genautomata): Needs build/vec.o and -lm.
7307 2006-01-22 Zack Weinberg <zackw@panix.com>
7309 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7310 (output_dfa_max_issue_rate, locked_states_num): Delete.
7311 (struct automaton): Add locked_states field.
7312 (output_dead_lock_vect): Save number of locked states in
7313 automaton->locked_states. If it is zero, don't print anything.
7314 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7315 (output_internal_dead_lock_func): Only test the dead_lock_vect
7316 for automata that have locked states.
7317 (output_statistics): Always print the number of locked states for
7318 each automaton. Calculate total number of locked states here.
7319 (write_automata): Don't call output_dfa_max_issue_rate.
7320 * genattrtab.c: Define length_unit_log as a const variable.
7321 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7322 max_insn_queue_index const.
7323 * final.c (length_unit_log): Declare const.
7324 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7326 2006-01-22 Zack Weinberg <zackw@panix.com>
7328 * genautomata.c: Include vec.h, not varray.h.
7329 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7330 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7331 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7332 VEC_* macros operating on appropriately typed vectors, or to
7333 malloced arrays when the size is known in advance. Const-ify
7334 many char* variables and function arguments. No functional changes.
7335 * Makefile.in (build/varray.o): Delete rule.
7336 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7337 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7339 2006-01-22 Zack Weinberg <zackw@panix.com>
7341 * gensupport.c: Define get_insn_name and record_insn_name here.
7342 (read_md_rtx): Call record_insn_name as appropriate.
7343 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7344 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7345 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7347 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7348 (BUILD_VARRAY): Delete.
7349 (genprognormal): Rename genprogmd. Fold in all programs from
7350 genprognoprint; also attrtab.
7351 (build/genattrtab): Just mention genautomata.o and varray.o.
7352 Reorganize a bit, add comments to make the categories clearer.
7354 2006-01-22 Zack Weinberg <zackw@panix.com>
7356 * genconditions.c (condition_table, add_condition): Delete.
7357 (write_conditions): Don't emit n_insn_conditions nor
7358 insn_elision_unavailable. Issue the gcc version #ifdef here,
7359 inside the table, with no #else clause ...
7360 (write_header): ...not here.
7361 (write_writer): New function.
7362 (main): Don't initialize condition_table. Use add_c_test.
7364 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7365 files on the command line.
7366 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7367 Return -1 if there is no entry in the table, don't abort.
7368 (add_c_test, traverse_c_tests): New functions.
7369 * gensupport.h (insn_elision_unavailable, insn_conditions)
7370 (n_insn_conditions): Delete declarations.
7371 (add_c_test, traverse_c_tests): Declare.
7372 * read-rtl.c: Include gensupport.h.
7373 (read_conditions): New function.
7374 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7375 (read_rtx_1): If we get EOF when we were looking for an initial
7376 open paren, return 0. Call read_conditions when appropriate.
7377 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7378 dummy-conditions.o. Eliminate references to insn-conditions.o,
7379 or change them to build/gencondmd.o, as appropriate. Remove
7380 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7381 from $(simple_generated_c). For all files remaining in those
7382 two lists, add insn-conditions.md to the generator command line.
7383 Give insn-constants.h/s-constants their own rules. Add rules
7384 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7385 (build/read-rtl.o): Depend on gensupport.h.
7386 (genprognormal): Include preds.
7387 (genprogearly): Rename genprognoprint; only difference is now that
7388 they don't link with $(BUILD_PRINT).
7389 * dummy-conditions.c: Delete.
7391 2006-01-22 Zack Weinberg <zackw@panix.com>
7393 * genextract.c: Don't include insn-config.h. Do include vec.h.
7394 Declare vectors of int, char, and locstr.
7395 (locstr): New typedef.
7396 (struct extraction): Make all array fields into bare pointers.
7397 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7398 (insn_code_number): Delete.
7399 (accum_extract): New struct.
7400 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7401 (gen_insn): Take insn_code_number as an argument. Use an
7402 accum_extract structure instead of loading data directly into
7403 a struct extraction, and having to know how big it might get.
7404 (walk_rtx): Operate entirely on an accum_extract structure.
7405 (print_path): Avoid unnecessary use of printf.
7406 (print_header): New function, split out of main. Distinguish
7407 more carefully between an unrecognizable insn and an insn that
7408 has the code number of a define_expand.
7409 (main): Pass insn_code_number to gen_insn. Call print_header
7410 only after parsing. Avoid unnecessary use of printf.
7411 * Makefile.in (build/vec.o): New rule.
7412 (build/genextract): Depend on build/vec.o.
7413 (build/genextract.o): Don't depend on insn-config.h.
7415 2006-01-22 Zack Weinberg <zackw@panix.com>
7417 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7418 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7419 practical. Eliminate per-generator-program link rules.
7421 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7424 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7425 with a call expr to ...
7426 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7428 2006-01-23 Richard Guenther <rguenther@suse.de>
7430 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7431 before make_edge with conditional EDGE_TRUE_VALUE.
7433 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7434 Jan Hubicka <jh@suse.cz>
7435 Richard Guenther <rguenther@suse.de>
7437 PR rtl-optimization/25654
7438 * cfgexpand.c (aggregate_contains_union_type): New function.
7439 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7440 for structure variables that contain a union type.
7442 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7444 * gengtype.c (new_structure): Return the structure.
7445 (create_option): Add an extra "next" argument.
7446 (create_field): New function.
7447 (adjust_field_rtx_def): Use create_option and create_field.
7448 Remove a now-unnecessary call to find_structure.
7449 (adjust_field_tree_def): Likewise.
7450 (note_yacc_type): Remove an unnecessary call to find_structure.
7451 * gengtype.h (new_structure): Return the structure.
7452 (create_option): Add an extra argument.
7453 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7454 (option): Adjust calls to create_option.
7456 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7458 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7460 2006-01-22 Paul Brook <paul@codesourcery.com>
7461 Peter Barada <peter@the-baradas.com>
7463 * config/m68k/m68k.md: Add Coldfire FPU support.
7464 Define FP mode macro and associated attributes.
7465 Use it for float mode patterns.
7466 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7467 (LIBCALL_VALUE): Use m68k_libcall_value.
7468 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7469 (m68k_function_value): Ditto.
7470 (emit_move_sequence): Ditto.
7471 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7472 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7473 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7474 (MULTILIB_EXCEPTIONS): Ditto.
7475 * config/m68k/m68k.opt: Add mcfv4e.
7476 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7477 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7478 (m68k_output_function_prologue): Save ColdFire FPU registers.
7479 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7480 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7481 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7482 ColdFire FPU registers.
7483 (m68k_libcall_value, m68k_function_value): New functions.
7484 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7485 (LIBCALL_VALUE): Use m68k_libcall_value.
7486 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7487 (MASK_COLDFIRE): Add MASK_CFV4E.
7488 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7489 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7490 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7491 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7492 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7493 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7494 * doc/invoke.tex: Document -mcfv4e on m68k.
7496 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7498 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7501 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7504 * c-opts.c (c_common_handle_option): Don't include
7505 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7506 * doc/invoke.texi (C++ Dialect Options): Document that
7507 -Wnon-virtual-dtor is no longer included in -Wall.
7509 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7511 * gcov.c (print_version), gcov-dump.c (print_version),
7512 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7515 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7517 * df-scan.c (problem_SCAN): Added NULL reset function.
7518 (df_scan_reset_blocks): Added code to call reset block function
7519 (df_bb_refs_delete) Fixed comment.
7520 (df_insn_refs_delete): Made tolerant of deleting non existent info
7521 for dataflow problems that need to be reset.
7522 * df-core.c (df_set_blocks): Ditto.
7523 * df.h (struct df_problem): Added reset_fun.
7524 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7525 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7526 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7527 functions to clear out all references to def-use or use-def chains.
7529 2006-01-21 Ben Elliston <bje@au.ibm.com>
7531 * varasm.c (assemble_real): Initialise data array.
7533 2006-01-20 Paul Brook <paul@codesourcery.com>
7535 Merge from csl-arm-branch.
7536 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7537 * config/arm/arm.md (movdi): Force operands[1] to a register
7538 if we have a non-register source.
7539 (*arm_movdi, *movdf_soft_insn): Require that one of the
7540 operands be a register.
7541 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7542 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7544 2006-01-20 DJ Delorie <dj@redhat.com>
7546 * varasm.c (initialize_constant_valid_p): Allow pointers
7547 initialized from integer constants of lesser precision.
7548 (output_constant): Allow non-int-sized pointer modes to be
7549 initialized from integer constants.
7551 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7554 * cppdefault.h (struct default_include): Add multilib flag.
7555 * cppdefault.c (cpp_include_defaults): Set it.
7556 * c.opt (-imultilib): New option.
7557 * c-opts.c (imultilib): New.
7558 (c_common_handle_option): Handle -imultilib.
7559 (c_common_post_options): Likewise.
7560 * c-incpath.c (add_standard_paths, register_include_chains):
7562 * c-incpath.h (register_include_chains): Add extra parameter.
7563 * gcc.c (do_spec_1): Generate -imultilib option.
7564 (The Specs Language): Update %I description.
7565 (process_command): Update copyright notice.
7566 * doc/cppopts.texi (-imultilib): Document.
7567 * doc/invoke.texi (-imultilib): Include in option summary.
7568 (%I): Update specs documentation.
7570 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7572 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7574 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7576 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7579 2006-01-20 Richard Guenther <rguenther@suse.de>
7580 Steven Bosscher <stevenb.gcc@gmail.com>
7582 PR rtl-optimization/24626
7583 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7584 EDGE_TRUE_VALUE if in RTL mode.
7587 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7588 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7590 2006-01-20 Dirk Mueller <dmueller@suse.com>
7593 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7594 instead of a special NOP marker.
7595 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7596 NOP marker handling.
7597 * c-common.h (empty_body_warning): Add forward declaration.
7598 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7599 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7601 2006-01-20 Paul Brook <paul@codesourcery.com>
7603 * Makefile.in (lang_checks): Keep going if mkdir fails.
7605 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7607 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7608 be able to clean out basic block when not necessary.
7609 (df_scan_free): Fixed to properly delete information if df is
7610 unused before calling df_finish.
7611 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7612 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7614 (df_bb_refs_delete): New function.
7615 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7616 * df-core.c (df_set_blocks): Added code to properly clean out
7617 unused blocks if they are not part of the blocks to consider.
7618 Added additional null check.
7619 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7620 be able to clean out basic block when not necessary
7621 * df.h (df_free_bb_function): Ditto.
7622 (df_bb_refs_delete): New function.
7623 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7624 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7625 basic block parameter to be able to clean out basic block when not
7627 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7628 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7629 Fixed to properly delete information if df is unused before
7632 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7634 PR rtl-optimization/25799
7635 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7636 Corrected confluence operator to remove bits from op2 before oring
7637 with op1 rather than removing bits from op1.
7638 (df_ru_transfer_function): Corrected test on wrong bitmap which
7639 caused infinite loop. Both of these problems were introduced in
7640 the dataflow rewrite.
7642 2006-01-19 DJ Delorie <dj@redhat.com>
7644 * reload1.c (find_reload_regs): Note the details of reload
7645 failures in the dump file.
7646 (spill_failure): Likewise.
7648 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7650 * loop-iv.c: Include df.h and hashtab.h.
7651 (enum iv_grd_result): New enum.
7652 (DF_REF_IV, DF_REF_IV_SET): New macros.
7653 (struct biv_entry): New.
7654 (df, bivs): New global variables.
7655 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7656 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7658 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7659 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7660 analyzed_for_bivness_p, record_biv): New functions.
7661 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7662 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7663 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7665 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7667 (iv_number_of_iterations): Use new interface to iv analysis.
7668 * loop-unroll.c: Do not include varray.h.
7669 (analyze_iv_to_split_insn): Use new interface to iv
7671 * loop-unswitch.c (may_unswitch_on): Ditto.
7672 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7674 (df_bb_modify): Realloc tables to the new index.
7675 (df_find_use): New function.
7676 * df.h (df_find_use): Declare.
7677 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7679 * cfgloop.h (struct rtx_iv): Remove analysed field.
7680 (iv_get_reaching_def): Removed.
7681 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7682 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7683 (loop-iv.o): Add df.h and hashtab.h dependency.
7684 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7686 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7689 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7691 (__floatundisf, __floatundidf): Likewise.
7692 * libgcc2.h (IS_IBM_EXTENDED): Define.
7694 2006-01-19 DJ Delorie <dj@redhat.com>
7696 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7698 2006-01-19 Paul Brook <paul@codesourcery.com>
7700 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7701 as nothrow when unwinding tables are disabled.
7703 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7706 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7707 of bit-field" when in system header.
7709 2006-01-19 DJ Delorie <dj@redhat.com>
7711 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7712 the 16 bit shift limit of the m16c.
7714 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7717 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7718 * config/i386/i386.c (output_set_got): Output the label if we have one
7719 for the TARGET_DEEP_BRANCH_PREDICTION case.
7721 2006-01-19 Jan Hubicka <jh@suse.cz>
7722 H.J. Lu <hongjiu.lu@intel.com>
7723 Evandro Menezes <evandro.menezes@amd.com>
7725 * invoke.texi (generic): Document
7727 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7728 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7729 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7730 (x86_use_incdec, x86_pad_returns): New variables
7731 (TARGET_CPU_DEFAULT_generic): New constant
7732 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7733 (enum processor_type): Add generic32 and generic64.
7734 * i386.md (cpu attribute): Add generic32/generic64
7735 (movhi splitter): Behave sanely when both partial_reg_dependency and
7736 partial_reg_stall are set.
7737 (K8 splitters): Enable for generic as well.
7738 * predicates.md (incdec_operand): Use TARGET_INCDEC
7739 (aligned_operand): Avoid memory mismatch stalls.
7740 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7741 * ppro.md: Enable for generic32
7742 * i386.c (generic64_cost, generic32_cost): New.
7743 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7744 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7745 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7746 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7747 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7748 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7749 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7750 x86_accumulate_outgoing_args, x86_prologue_using_move,
7751 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7752 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7754 (x86_use_incdec, x86_pad_returns): New.
7755 (override_options): Add generic32 and generic64, translate "generic"
7756 to generic32/generic64 and "i686" to "generic32", refuse
7757 "generic32"/"generic64" as arch target.
7758 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7759 (ix86_reorg): Honor PAD_RETURNS.
7761 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7763 * tree-pretty-print.c (dump_generic_node): Handle
7764 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7765 * cgraph.c (cgraph_expand_queue): Rename from
7766 cgraph_analyze_queue. Update all users.
7767 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7768 cgraph_expand_queue.
7769 (cgraph_expand_all_functions): Likewise.
7770 (cgraph_finalize_pending_functions): Remove. Update callers.
7772 * tree.h (OMP_DIRECTIVE_P): Define.
7773 (OMP_PARALLEL_FN): Define.
7774 (OMP_PARALLEL_DATA_ARG): Define.
7775 (OMP_SECTIONS_SECTIONS): Define.
7776 * tree-pass.h (pass_expand_omp): Declare.
7777 * omp-low.c (struct omp_region): Declare.
7778 (struct omp_context): Remove fields 'parallel_type',
7779 'parallel_start_ix' and 'parallel_start_additional_args'.
7781 (struct omp_for_data): Rename from struct expand_omp_for_data.
7782 (omp_regions): New static variable.
7783 (root_omp_region): New static variable.
7784 (find_omp_clause): Make static.
7785 (is_in_combined_parallel_ctx): Remove.
7786 (is_combined_parallel): New.
7787 (extract_omp_for_data): Move earlier in the file.
7788 (workshare_safe_to_combine_p): New.
7789 (get_ws_args_for): New.
7790 (determine_parallel_type): Move earlier in the file.
7791 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7793 (omp_copy_decl): Likewise.
7794 (create_omp_child_function): Likewise.
7795 (lookup_omp_region): New.
7796 (dump_omp_region): New.
7797 (debug_omp_region): New.
7798 (debug_all_omp_regions): New.
7799 (new_omp_region): New.
7800 (scan_omp_parallel): If parallel_nesting_level > 1, the
7801 directive is nested within another parallel directive.
7802 Set OMP_PARALLEL_FN.
7803 (scan_omp_for): Do not try to handle combined parallel+for
7805 Remove FIXME comment.
7806 (scan_omp_nested): Remove.
7807 (scan_omp_1): Do not call scan_omp_nested when
7808 parallel_nesting_level is > 1.
7809 Do not change the DECL_CONTEXT of local variables found.
7810 (lookup_decl_in_outer_ctx): New.
7811 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7812 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7813 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7814 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7815 If CTX is nested, lookup VAR in the outer context when
7816 building copy assignment.
7817 (lower_send_clauses): Rename from expand_send_clauses.
7818 If CTX is nested, lookup VAR in the outer context when
7819 building copy assignments.
7820 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7821 If CTX is nested, lookup VAR in the outer context when
7822 building copy assignments.
7823 (expand_parallel_call): Rename from build_parallel_call.
7824 Handle combined parallel+workshare cases.
7825 Re-implement to emit code into the CFG.
7827 (expand_omp_parallel): Re-implement to emit code into the CFG.
7828 Call move_sese_region_to_fn to outline the sub-graph
7829 containing the parallel region.
7830 (expand_omp_for_1): Remove.
7831 (expand_omp_for_generic): Re-implement to emit code into the
7833 (expand_omp_for_static_nochunk): Likewise.
7834 (expand_omp_for_static_chunk): Likewise.
7835 (expand_omp_for): Likewise.
7836 (expand_omp_sections): Likewise.
7837 (remove_exit_barriers): New.
7838 (expand_omp_synch): New.
7840 (build_omp_regions_1): New.
7841 (build_omp_regions): New.
7842 (execute_expand_omp): New.
7843 (gate_expand_omp): New.
7844 (pass_expand_omp): Define.
7845 (lower_omp_sections): Rename from expand_omp_sections.
7846 Set OMP_SECTIONS_SECTIONS.
7847 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7848 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7849 (lower_omp_single): Rename from expand_omp_simple.
7850 (lower_omp_master): Rename from expand_omp_master.
7851 (lower_omp_ordered): Rename from expand_omp_ordered.
7852 (lower_omp_critical): Rename from expand_omp_critical.
7853 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7854 (lower_omp_for): Re-implement.
7855 (lower_omp_parallel): Re-implement.
7856 (lower_regimplify): Rename from expand_regimplify.
7857 (lower_omp_1): Rename from expand_omp_1.
7858 If there are syntax errors in the program, replace every
7859 OpenMP directive with NOP.
7860 Call lower_omp_* instead of expand_omp_*.
7861 (lower_omp): Rename from expand_omp.
7863 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7864 * tree-gimple.h (enum omp_parallel_type): Remove.
7865 (gimple_boolify): Declare extern.
7866 (find_omp_clause, determine_parallel_type): Remove.
7868 * gimple-low.c (lower_omp_directive): New.
7869 (lower_stmt): Call it.
7870 (record_vars_into): Move from ...
7871 (record_vars): ... here.
7872 Call record_vars_into with current_function_decl.
7874 * gimplify.c (struct gimplify_ctx): Remove fields
7875 combined_pre_p and combined_ctxp. Update users.
7876 (get_formal_tmp_var): Add documentation.
7877 (gimple_boolify): Make extern.
7878 (gimplify_expr_in_ctx): Remove. Update callers.
7879 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7880 will always be a BIND_EXPR.
7881 (gimplify_expr): Handle OMP_RETURN_EXPR.
7882 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7883 (OMP_PARALLEL): Add 3 operands.
7884 (OMP_SECTIONS): Add 1 operand.
7885 (OMP_RETURN_EXPR): Define.
7887 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7888 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7889 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7890 creating a circular free list.
7891 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7893 * tree-flow.h (move_sese_region_to_fn): Declare.
7894 (record_vars_into): Declare.
7895 * tree-cfg.c (make_omp_sections_edges): New.
7896 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7897 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7898 OMP_SECTIONS and OMP_SECTION.
7899 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7900 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7901 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7902 (gather_blocks_in_sese_region): New.
7903 (struct move_stmt_d): Declare.
7905 (move_block_to_fn): New.
7906 (move_sese_region_to_fn): New.
7908 * passes.c (init_optimization_passes): Schedule
7909 pass_expand_omp after pass_init_datastructures.
7911 * tree-ssa-operands.c (get_expr_operands): Handle
7912 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7913 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7915 2006-01-19 Jeff Law <law@redhat.com>
7917 * tree-vrp.c (extract_range_from_assert): Refine the result range
7918 if the variable referenced by the ASSERT_EXPR has a range and
7919 either the tentative result range or the previous range is a
7922 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7924 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7926 2006-01-19 Jan Hubicka <jh@suse.cz>
7928 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7930 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7932 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7933 (expand_compound_operation, expand_field_assignment): Fail if the
7934 bit lengths of an extract operation are out of range.
7935 (make_extraction): Compute wanted_inner_mode based on the position
7936 and length of the extraction. Make it extraction_mode for non-constant
7937 positions, and do not modify offset in that case. When generating a
7938 new MEM, use a mode that can hold the extraction while keeping correct
7939 alignment. Remove code that supported MEMs wrapped by USEs.
7940 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7942 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7944 * config/s390/s390.md ("Y", "y"): New mode attribute.
7945 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7946 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7947 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7948 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7949 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7950 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7951 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7952 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7953 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7954 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7955 "addsi3", "subsi3"): Insn patterns removed.
7956 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7957 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7958 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7959 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7960 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7961 "*sub<mode>3_cconly2"): New insn patterns.
7962 ("addsi3", "subsi3"): New expanders.
7964 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7966 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7967 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7968 existing STMT_VINFO_VECTYPE if available.
7969 (vect_mark_relevant): Add special handling for stmts that are
7970 marked as STMT_VINFO_IN_PATTERN_P.
7971 (vect_analyze_loop): Call vect_pattern_recog.
7972 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7973 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7975 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7976 (vect_recog_func_ptr): New function-pointer type.
7977 * tree-vect-patterns.c: New file.
7978 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7979 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7980 (vect_pattern_recog_1): New functions.
7981 (vect_pattern_recog_funcs): New array of function pointers.
7983 * tree-vectorizer.h (ternary_op): New enum value.
7984 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7985 declaration. Revised documentation. Removed redundant dump prints.
7986 Removed redundant argument. Added support for reduction patterns.
7987 (vectorizable_reduction): Added support for reduction patterns.
7988 (vect_transform_stmt): Added support for patterns.
7990 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7991 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7992 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7993 (expand_widen_pattern_expr): New function.
7994 (init_optabs): Initialize new optabs udot_prod_optab,
7996 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7997 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7998 (expand_widen_pattern_expr): New function declaration.
7999 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8001 * tree-inline.c (estimate_num_insns_1): Added cases for new
8002 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8003 * tree-pretty-print.c (dump_generic_node): Likewise.
8004 (op_prio): Likewise.
8005 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8006 * tree-ssa-operands.c (get_expr_operands): Added case for
8008 * tree-vect-patterns.c (widened_name_p): New function.
8009 (vect_recog_dot_prod_pattern): Added function implementation.
8010 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8011 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8012 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8013 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8015 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8016 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8017 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8018 (init_optabs): Initialize new optabs widen_ssum_optab,
8020 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8021 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8022 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8023 use instead of type of def.
8024 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8025 function implementation.
8026 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8027 widen_ssumv8hi): New.
8029 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8032 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8035 * c-decl.c (add_flexible_array_elts_to_size): New function.
8036 (finish_decl): Use it.
8038 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8040 * diagnostic.h: Include options.h.
8041 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8042 dependancies for diagnostic.h.
8043 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8045 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8047 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8048 (ssa_ro_call_cache_valid): Ditto.
8049 * tree-ssa-alias.c (sort_tags_by_id): New function.
8050 (init_transitive_clobber_worklist): Ditto.
8051 (add_to_worklist): Ditto.
8052 (mark_aliases_call_clobbered): Ditto.
8053 (compute_tag_properties): Ditto.
8054 (set_initial_properties): Ditto.
8055 (compute_call_clobbered): Ditto.
8056 (compute_may_aliases): Call compute_call_clobbered and grouping.
8057 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8058 (compute_flow_insensitive_aliasing): Grouping now happens in our
8060 (setup_pointers_and_addressables): Remove clobbering related code.
8061 (add_may_alias): Ditto.
8062 (replace_may_alias): Ditto.
8063 (get_nmt_for): Ditto.
8064 (create_global_var):
8065 (is_escape_site): Return an escape_type enumeration.
8066 * tree-flow-inline.h (is_call_clobbered): Global var does not
8067 imply call clobbered.
8068 (mark_call_clobbered): Take a reason for marking this. Remove
8069 marking of globalness, and cache invalidation.
8070 (clear_call_clobbered): Remove cache invalidation code.
8071 * tree-dfa.c (dump_variable): If details is on, dump the reason
8073 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8075 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8076 (struct var_ann_d): Ditto.
8077 (enum escape_type): New.
8078 (mark_call_clobbered): Adjust prototype.
8079 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8080 are never call clobbered.
8081 Record reasons for escaping.
8082 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8083 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8084 (ssa_ro_call_cache_valid): Ditto.
8085 (clobbered_v_may_defs): Ditto.
8086 (clobbered_vuses): Ditto.
8087 (ro_call_vuses): Ditto.
8088 (clobber_stats): New.
8089 (init_ssa_operands): Zero out clobber stats.
8090 (fini_ssa_operands): Print out clobber stats.
8091 (get_call_expr_operands): Pass callee fndecl to
8093 (add_call_clobber_ops): Remove use of cache.
8094 Add use of PURE_CONST information.
8095 (add_call_read_ops): Remove use of cache.
8096 Add use of static not_read information.
8098 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8100 Introduce TLS descriptors for i386 and x86_64.
8101 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8102 (TARGET_ANY_GNU_TLS): New macro.
8103 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8104 (struct machine_function): Add tls_descriptor_call_expanded_p.
8105 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8106 (ix86_current_function_calls_tls_descriptor): Likewise.
8107 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8108 (override_options): Introduce gnu2 tls dialect.
8109 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8111 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8113 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8114 (ix86_init_machine_status): Initialize new field.
8115 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8116 (ix86_tls_module_base): New.
8117 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8118 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8119 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8120 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8121 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8122 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8123 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8124 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8125 * config/i386/predicates.md (tls_modbase_operand): New.
8126 (tp_or_register_operand): New.
8128 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8130 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8131 (look_for_address_of): Ditto.
8132 (ipa_init): Walk the function decls.
8133 (static_execute): Don't set readonly on FUNCTION_DECL's.
8135 2006-01-18 Roger Sayle <roger@eyesopen.com>
8137 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8138 for shifts where the source and destination registers are different.
8140 2006-01-18 Paul Brook <paul@codesourcery.com>
8142 Merge from csl-arm-branch.
8143 2005-03-14 Julian Brown <julian@codesourcery.com>
8144 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8145 (aeabi_llsl): Likewise.
8146 (ashrdi3): Likewise.
8147 (aeabi_lasr): Likewise.
8148 (lshrdi3): Likewise.
8149 (aeabi_llsr): Likewise.
8150 2005-03-10 Julian Brown <julian@codesourcery.com>
8151 * config.gcc: Disable shared libgcc for SymbianOS.
8152 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8154 2006-01-18 DJ Delorie <dj@redhat.com>
8156 * c-pragma.c (handle_pragma_diagnostic): New.
8157 (init_pragma): Register it.
8158 * doc/extend.texi: Document it.
8160 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8161 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8162 (diagnostic_context): Add classify_diagnostic[].
8163 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8164 as errors if they're overridden to DK_WARNING.
8165 (diagnostic_initialize): Initialize classify_diagnostic[].
8166 (diagnostic_set_kind_override): New.
8167 (diagnostic_report_diagnostic): Check for kind changes.
8168 * opts.c (common_handle_option): Take lang_mask. Update callers.
8170 * common.opt (Werror=): New.
8171 * doc/invoke.texi: Document -Werror=*
8173 2006-01-18 Jeff Law <law@redhat.com>
8175 * tree-vrp.c (test_for_singularity): Correct test for new
8176 min limit. Use operand_equal_p rather than pointer equality
8177 for testing if new min/max values are equal.
8179 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8180 using range information until after propagation and folding.
8182 2006-01-18 Richard Henderson <rth@redhat.com>
8183 Aldy Hernandez <aldyh@redhat.com>
8184 Jakub Jelinek <jakub@redhat.com>
8185 Diego Novillo <dnovillo@redhat.com>
8187 * omp-low.c: New file.
8188 * c-omp.c: New file.
8190 2006-01-18 Richard Henderson <rth@redhat.com>
8191 Jakub Jelinek <jakub@redhat.com>
8192 Diego Novillo <dnovillo@redhat.com>
8194 * doc/invoke.texi: Document -fopenmp.
8195 * tree-dump.h (debug_function): Declare.
8196 * hooks.c (hook_bool_tree_bool_false): New function.
8197 (hook_tree_tree_null): Remove.
8198 (hook_tree_tree_tree_null): New.
8199 * hooks.h: Update to match.
8200 * tree-pretty-print.c (debug_tree_chain): New.
8201 (print_generic_expr): Handle TDF_CHAIN.
8202 (dump_generic_node): Handle BLOCK.
8203 Do not abort with incomplete SWITCH_EXPRs.
8204 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8205 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8206 print space after directive name.
8207 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8208 Handle OMP_MASTER and OMP_ORDERED.
8209 Handle printing of OMP_BODY just in one place, goto
8210 dump_omp_body in the rest of OMP_* nodes that have
8212 Don't handle clause nodes here. Update omp statements to
8213 use dump_omp_clauses.
8214 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8215 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8216 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8217 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8218 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8219 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8220 Adjust output for GOMP_PARALLEL.
8221 (dump_omp_clauses): New.
8222 (print_declaration): Dump DECL_VALUE_EXPR.
8223 (op_symbol_1): Split out of op_symbol.
8224 (dumping_stmts): Remove. Update all users.
8225 * cgraph.c (cgraph_analyze_queue): New.
8226 (cgraph_add_new_function): New.
8227 * cgraph.h (cgraph_analyze_queue): Declare.
8228 (cgraph_add_new_function): Declare.
8229 (cgraph_lower_function): Remove.
8230 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8231 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8232 and TYPE_P nodes in its default clause.
8233 (empty_body_p): New.
8234 (tree_range_check_failed): New.
8236 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8237 OMP_CLAUSE_REDUCTION_MERGE,
8238 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8239 OMP_CLAUSE_PRIVATE_DEBUG,
8240 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8241 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8242 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8243 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8244 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8245 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8246 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8247 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8248 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8249 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8250 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8251 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8252 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8253 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8254 (TREE_RANGE_CHECK): New.
8255 (empty_body_p): Declare.
8256 (enum omp_clause_default_kind): New.
8257 (build_string_literal): Declare.
8258 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8259 (build5_stat, build5): Declare.
8260 * tree-pass.h (TDF_CHAIN): Define.
8261 * tree-pass.h (PROP_gimple_lomp): Define.
8262 (pass_lower_omp): Declare.
8263 * diagnostic.h (debug_tree_chain): Declare.
8264 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8266 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8267 * builtins.c (build_string_literal): Make extern.
8268 * gcc.c (include_spec_function): New.
8269 (static_spec_functions): Add it.
8270 (main): Move load of libgomp.spec ...
8271 (LINK_COMMAND_SPEC): ... here.
8272 (link_gomp_spec): New.
8273 (static_specs): Include it.
8274 (LINK_COMMAND_SPEC): Add link_gomp.
8275 (GOMP_SELF_SPECS): New.
8276 (driver_self_specs): Include it.
8277 (switch_matches): Don't mark inline.
8278 (main): Load libgomp.spec.
8279 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8280 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8281 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8282 * tree-gimple.h (enum omp_parallel): Declare.
8283 (determine_parallel_type): Declare.
8284 (omp_firstprivatize_variable): Declare.
8285 (omp_reduction_init): Declare.
8286 (diagnose_omp_structured_block_errors): Declare.
8287 (struct walk_stmt_info): Add want_return_expr.
8288 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8289 (find_omp_clause): Declare.
8290 (insert_field_into_struct): Declare.
8291 (struct walk_stmt_info): Move from tree-nested.c
8292 (walk_stmts): Declare.
8293 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8295 * cgraphunit.c (cgraph_lower_function): Make static.
8296 (cgraph_finalize_pending_functions): New.
8297 (cgraph_finalize_function): Call it.
8298 (cgraph_finalize_compilation_unit): Likewise.
8299 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8300 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8301 (BT_FN_UINT_UINT): New.
8302 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8303 DEF_FUNCTION_TYPE_VAR_4): Document.
8304 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8305 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8306 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8307 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8308 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8309 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8310 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8311 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8312 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8313 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8314 into separate files.
8315 (DEF_GOMP_BUILTIN): New.
8316 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8317 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8318 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8319 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8320 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8321 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8322 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8323 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8324 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8325 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8326 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8327 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8328 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8329 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8330 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8331 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8332 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8333 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8334 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8335 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8336 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8337 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8338 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8339 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8340 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8341 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8342 * sync-builtins.def: New file, moved from builtins.def.
8343 * omp-builtins.def: New file, moved from builtins.def.
8344 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8345 * gimple-low.c (lower_function_body): Clear data.
8346 (lower_stmt): Do not handle COMPOUND_EXPR.
8347 Remove call to print_node_brief.
8348 * c-tree.h (c_finish_omp_clauses): New prototype.
8349 (C_DECL_THREADPRIVATE_P): Define.
8350 (lookup_name_no_remap, c_omp_remap_private): Remove
8351 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8352 (check_for_loop_decls): Update decl.
8353 (lookup_name_no_remap, c_omp_remap_private): Declare.
8354 (build_indirect_ref, build_modify_expr, pushdecl,
8355 pushdecl_top_level): Move to c-common.h.
8356 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8357 before the switch, but just in the 2 places that need it.
8358 * c-decl.c (diagnose_mismatched_decls): Do not check for
8359 mismatched thread-local attributes when OLDDECL is marked
8360 threadprivate and NEWDECL has no thread-local attributes.
8361 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8362 (c_gimple_diagnostics_recursively): Rename from
8363 c_warn_unused_result_recursively. Invoke
8364 diagnose_omp_structured_block_errors.
8365 (check_for_loop_decls): Return a singular decl found.
8366 * langhooks.c (lhd_omp_predetermined_sharing): Return
8367 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8368 (lhd_omp_firstprivatize_type_sizes): New.
8369 (lhd_omp_assignment): New.
8370 (lhd_omp_predetermined_sharing): New.
8371 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8372 (struct lang_hooks_for_types): Add
8373 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8374 omp_predetermined_sharing, omp_disregard_value_expr,
8375 omp_private_debug_clause, omp_clause_default_ctor,
8376 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8377 (c_finish_omp_clauses): New.
8378 (c_finish_bc_stmt): Diagnose break within omp for.
8379 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8380 (build_unary_op): Return error_mark after reporting
8382 (build_modify_expr): Likewise.
8383 * gimplify.c: Include optabs.h and pointer-set.h.
8384 (enum gimplify_omp_var_data): Declare.
8385 (struct gimplify_omp_ctx): Declare.
8386 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8388 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8389 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8390 (splay_tree_compare_decl_uid): New.
8391 (new_omp_context): New.
8392 (delete_omp_context): New.
8393 (gimple_add_tmp_var): Call omp_add_variable.
8394 (gimplify_bind_expr): Likewise.
8395 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8396 true, disregard DECL_VALUE_EXPR on the decl if any.
8397 (gimplify_expr_in_ctx): New.
8398 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8399 omp_add_variable, omp_notice_variable, omp_is_private
8400 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8401 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8402 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8403 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8404 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8405 gimplify_omp_atomic): New.
8406 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8407 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8408 OMP_CRITICAL and OMP_ATOMIC.
8409 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8410 * c-pragma.h (enum pragma_kind): Add
8411 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8412 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8413 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8414 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8415 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8416 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8417 PRAGMA_OMP_THREADPRIVATE.
8418 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8419 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8420 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8421 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8422 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8423 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8424 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8425 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8426 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8427 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8428 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8429 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8430 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8432 (struct nesting_info): Add field_map,
8433 suppress_expansion, debug_var_chain.
8434 (create_nesting_tree): Initialize them.
8435 (lookup_field_for_decl): Use field_map.
8436 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8437 (convert_local_omp_clauses): New.
8438 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8439 (walk_body): Split out of walk_function.
8440 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8441 (convert_nonlocal_reference): Handle omp statements.
8442 (convert_local_reference): Likewise.
8443 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8444 (unnest_nesting_tree): New.
8445 (lower_nested_functions): Call it.
8446 (insert_field_into_struct): Make extern.
8447 (struct walk_stmt_info): Move to tree-gimple.h.
8448 (walk_stmts): Make extern.
8449 * omp-builtins.def: New file.
8450 * tree-iterator.c (expr_only): Clarify comment.
8451 * c-common.h (pushdecl_top_level, pushdecl,
8452 build_modify_expr, build_indirect_ref,
8453 c_finish_omp_master, c_finish_omp_critical,
8454 c_finish_omp_ordered, c_finish_omp_barrier,
8455 c_finish_omp_atomic, c_finish_omp_flush,
8456 c_finish_omp_for, c_split_parallel_clauses,
8457 omp_clause_default_kind, c_omp_sharing_predetermined,
8458 c_omp_remap_decl): Declare.
8459 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8460 (OBJS-common): Add omp-low.o.
8461 (c-omp.o, omp-low.o): Add.
8462 (gimplify.o): Add dependency on $(OPTABS_H).
8463 (GTFILES): Add omp-low.c.
8464 (gt-stringpool.h): Add.
8465 * tree-cfg.c (set_bb_for_stmt): Do not update the
8466 block-to-labels map if we are currently expanding to RTL.
8467 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8469 Handle IDENTIFIER_NODE.
8470 (tree_verify_flow_info): Do not ICE when emitting error
8471 messages about invalid labels.
8472 (dump_function_to_file): Reset CFUN before emitting the body
8474 (debug_function): New.
8475 * passes.c (init_optimization_passes): Schedule
8477 * langhooks-def.h (lhd_omp_predetermined_sharing,
8478 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8480 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8481 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8482 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8483 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8484 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8485 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8486 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8487 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8488 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8489 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8490 (LANG_HOOK_DECLS): Use them.
8492 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8493 Richard Henderson <rth@redhat.com>
8494 Jakub Jelinek <jakub@redhat.com>
8495 Diego Novillo <dnovillo@redhat.com>
8497 * c-parser.c (pragma_omp_clause): Define.
8498 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8499 (c_parser_compound_statement): Likewise.
8500 (c_parser_statement): Likewise.
8501 (c_parser_pragma): Handle omp pragmas.
8502 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8503 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8504 (c_parser_omp_clause_name, check_no_duplicate_clause,
8505 c_parser_omp_variable_list,
8506 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8507 c_parser_omp_clause_copyprivate,
8508 c_parser_omp_clause_default,
8509 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8510 c_parser_omp_clause_lastprivate,
8511 c_parser_omp_clause_nowait,
8512 c_parser_omp_clause_num_threads,
8513 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8514 c_parser_omp_clause_reduction,
8515 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8516 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8517 c_parser_omp_atomic, c_parser_omp_barrier,
8518 c_parser_omp_critical, c_parser_omp_flush,
8519 c_parser_omp_for_loop, c_parser_omp_for,
8520 c_parser_omp_master, c_parser_omp_ordered,
8521 c_parser_omp_sections_scope, c_parser_omp_sections,
8522 c_parser_omp_parallel, c_parser_omp_single,
8523 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8524 * c-pragma.c (init_pragma): Do omp pragma registration here.
8525 * c.opt (fopenmp): New flag.
8527 2006-01-18 Eric Christopher <echristo@apple.com>
8529 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8530 * config/darwin.h (GOMP_SELF_SPECS): Define.
8532 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8534 * rtl.h: Remove the prototype for reg_alloc.
8536 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8539 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8540 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8541 sjlj and dwarf2 exception handling.
8542 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8543 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8544 * pa/pa.c (function_value): Treat complex and vector types as
8546 (function_arg): Likewise. Only pass scalar floats in the floating
8547 point argument registers.
8548 * pa/t-slibgcc-dwarf-ver: New file.
8549 * pa/t-slibgcc-sjlj-ver: New file.
8550 * pa/t-slibgcc-elf-ver: Delete file.
8552 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8554 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8555 unlikely_test_section_p test.
8557 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8559 * mode-switching.c (optimize_mode_switching): Make it static.
8560 * basic-block.h: Remove the prototype for
8561 optimize_mode_switching.
8563 * modulo-sched.c (sms_schedule): Make it static.
8564 * rtl.h: Remove the prototype for sms_schedule.
8566 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8567 * rtl.h: Remove the prototype for gcse_after_reload_main.
8569 * reg-stack.c (reg_to_stack): Make it static.
8570 * rtl.h: Remove the prototype for reg_to_stack.
8572 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8574 * rtl.h: Remove the prototypes for regrename_optimize and
8575 copyprop_hardreg_forward.
8577 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8579 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8580 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8581 Test against the appropriate null constant for the mode.
8582 If 'fixup_overlap' is true, swap the operands if they overlap.
8583 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8584 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8585 alpha_split_tmode_pair and adjust for above change.
8586 * config/alpha/alpha.md (movtf_internal): Adjust call to
8587 alpha_split_tfmode_pair and rely on it to swap the operands.
8588 (movti_internal): New insn and post-reload splitter.
8589 (movti): New expander.
8591 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8593 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8596 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8598 * rtlanal.c (global_reg_mentioned_p_1,
8599 global_reg_mentioned_p): Remove.
8600 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8602 * flow.c (initialize_uninitialized_subregs): Make it static.
8603 * rtl.h: Remove the prototype for
8604 initialize_uninitialized_subregs.
8606 * function.c (instantiate_virtual_regs): Make it static.
8607 * function.h: Remove the prototype for
8608 instantiate_virtual_regs.
8610 * regmove.c (regmove_optimize, combine_stack_adjustments):
8612 * rtl.h: Remove the prototypes for regmove_optimize and
8613 combine_stack_adjustments.
8615 2006-01-17 Roger Sayle <roger@eyesopen.com>
8617 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8618 (size_cost): Encode costs in bytes so that a reg-reg addition is
8619 equivalent to COSTS_N_INSNS(1).
8620 (override_options): Use the size_cost.branch_cost as the default
8621 ix86_branch_cost when optimizing for size.
8623 2006-01-18 Ben Elliston <bje@au.ibm.com>
8625 * Makefile.in (D32PBIT_FUNCS): New.
8626 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8627 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8628 D64PBIT_FUNCS and D128PBIT_FUNCS.
8629 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8630 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8632 (decnumber_dep): Define.
8633 * doc/libgcc.texi (Decimal float library routines): New node.
8634 * config/dfp-bit.h, config/dfp-bit.c: New files.
8636 2006-01-18 Ben Elliston <bje@au.ibm.com>
8638 * expr.c (emit_move_change_mode): Always adjust addresses, not
8639 just during reload. Copy replacements only during reload.
8640 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8641 emit_move_via_integer.
8643 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8645 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8646 instead of $(srcdir) and ${srcdir}.
8648 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8652 * arm.h (struct machine_function): Add pic_reg.
8653 * arm.c (arm_pic_register): Make unsigned.
8654 (arm_override_options): Only set arm_pic_register if
8655 TARGET_SINGLE_PIC_BASE.
8656 (use_return_insn): Only test for a pic register if it is fixed.
8657 (arm_compute_save_reg0_reg12_mask): Likewise.
8658 (thumb_compute_save_reg_mask): Likewise.
8659 (legitimate_pic_operand): Factor out some known invariants.
8660 (legitimize_pic_address): If we don't have a fixed pic register,
8661 then set up a pseudo in the function entry sequence. Handle the
8662 pic base being in a pseudo.
8663 (arm_load_pic_register): Handle the pic register being in a pseudo.
8664 (arm_expand_prologue): Only set up the pic register if it is fixed.
8665 (thumb_expand_prologue): Likewise.
8666 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8667 (pic_load_addr_based_insn): Likewise.
8668 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8671 2006-01-18 Ben Elliston <bje@au.ibm.com>
8673 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8674 decimal float modes for all floating point registers.
8676 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8677 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8679 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8682 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8683 even when the pointer is not NULL.
8685 2006-01-16 Ian Lance Taylor <ian@airs.com>
8687 * common.opt (ftoplevel-reorder): New option.
8688 * cgraph.c (cgraph_asm_nodes): New global variable.
8689 (cgraph_asm_last_node): New static variable.
8690 (cgraph_order): New global variable.
8691 (cgraph_create_node): Set new order field.
8692 (cgraph_varpool_node): Likewise.
8693 (decide_is_variable_needed): Return true if not
8694 flag_toplevel_reorder.
8695 (cgraph_add_asm_node): New function.
8696 * cgraph.h (struct cgraph_node): Add order field.
8697 (struct cgraph_varpool_node): Add order field.
8698 (struct cgraph_asm_node): Define.
8699 (cgraph_asm_nodes, cgraph_order): Declare.
8700 (cgraph_add_asm_node): Declare.
8701 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8703 (cgraph_varpool_assemble_pending_decls): Call it.
8704 (cgraph_output_pending_asms): New static function.
8705 (cgraph_finalize_compilation_unit): Call it.
8706 (struct cgraph_order_sort): Define.
8707 (cgraph_output_in_order): New static function.
8708 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8709 !flag_toplevel_reorder case.
8710 * c-parser.c: Include "cgraph.h".
8711 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8713 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8714 than -fno-unit-at-a-time.
8715 * doc/invoke.texi (Option Summary): Mention
8716 -fno-toplevel-reorder.
8717 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8718 -funit-at-a-time documentation.
8720 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8721 Kazu Hirata <kazu@codesourcery.com>
8723 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8725 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8727 * Makefile.in (FUNCTION_H): New. Use it instead of
8728 function.h throughout the file.
8729 * function.h: Include tree.h.
8731 2006-01-17 Ben Elliston <bje@au.ibm.com>
8733 * recog.c: Separate some functions with whitespace.
8735 2006-01-16 Richard Henderson <rth@redhat.com>
8737 Merge from gomp branch:
8738 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8739 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8740 and rename from struct inline_data. Rename callee* to dst*;
8741 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8742 transform_new_cfg, transform_return_to_modify, and
8743 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8745 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8746 (copy_decl_for_dup): Remove.
8747 * tree-inline.c (struct inline_data): Move to header.
8748 (insert_decl_map): Export.
8749 (remap_decl): Update for member name changes. Use copy_decl hook.
8750 Allow for replacement to be a non-decl. Remove dead code.
8751 (remap_type_1): Check for existing mapping.
8752 (remap_type): Export.
8753 (remap_decls): Update for member name changes.
8754 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8755 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8756 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8757 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8758 (tree_function_versioning, build_duplicate_type): Likewise.
8759 (copy_body_r): Likewise. Export.
8760 (copy_decl_for_dup): Split into ...
8761 (copy_decl_for_dup_finish, copy_decl_to_var,
8762 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8763 (replace_ref_tree, inlining_p): Remove.
8765 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8767 * ifcvt.c (if_convert): Make it static.
8768 * rtl.h: Remove the prototype for if_convert.
8770 * local-alloc.c (local_alloc): Make it static.
8771 * rtl.h: Remove the prototype for local_alloc.
8773 * loop.c (loop_optimize): Make it static.
8774 * cfgloop.h: Remove the prototype for loop_optimize.
8777 2006-01-16 DJ Delorie <dj@redhat.com>
8779 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8782 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8784 * pa.md: Disparage copies between general and floating-point registers
8785 in 32-bit move patterns.
8787 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8790 * Makefile.in (check-%): Depend on site.exp instead of
8791 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8794 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8796 * global.c (global_alloc): Make it static.
8797 * rtl.h: Remove the prototype for global_alloc.
8799 2006-01-16 Richard Guenther <rguenther@suse.de>
8801 * tree-ssa-alias.c (struct used_part): Add write_only field.
8802 (get_or_create_used_part_for): Initialize it to true.
8803 (create_overlap_variables_for): Don't create structure variables
8804 for structures that only are written to.
8805 (find_used_portions): Handle MODIFY_EXPR to track whether a
8806 structure is only written to.
8808 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8810 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8812 * basic-block.h: Remove the prototype for
8813 partition_hot_cold_basic_blocks.
8815 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8817 * cppspec.c (lang_specific_spec_functions): Remove.
8818 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8819 * gcc.h (lang_specific_spec_functions): Remove.
8820 * gccspec.c (lang_specific_spec_functions): Remove.
8822 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8824 * combine.c (record_value_for_reg): Invalidate registers
8826 (record_dead_and_set_regs_1): Likewise, by passing them to
8827 record_value_for_reg.
8828 (record_dead_and_set_regs): Invalidate stores made by a
8829 call. We do not combine across a call, but we still
8830 relied on equivalences.
8832 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8834 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8835 vrp_int_const_binop returning non-constant nodes.
8837 2006-01-16 Paul Brook <paul@codesourcery.com>
8839 * config/m68k/m68k.c (output_move_const_into_data_reg):
8840 Output correct mnemonic for mvz and mvs.
8842 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8844 * rtl-factoring.c: Add sequence abstraction algorithm.
8845 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8846 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8848 (block_has_preserve_label): New function.
8849 * common.opt: Register new pass.
8850 * Makefile.in: Ditto.
8852 * timevar.def: Ditto.
8853 * tree-pass.h: Ditto.
8854 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8855 * rtl.h (make_jump_insn_raw): Add forward decl.
8856 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8858 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8859 Roger Sayle <roger@eyesopen.com>
8861 * fold-const.c (fold_minmax): New static function.
8862 (fold_binary) <MIN_EXPR>: Call it.
8863 <MAX_EXPR>: Likewise.
8864 * stor-layout.c (place_field): Use DECL_SIZE consistently
8865 in the computation of the new record size.
8867 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8869 * cse.c (cse_condition_code_reg): Make it static.
8870 * rtl.h: Remove the prototype for cse_condition_code_reg.
8872 * combine.c (combine_instructions): Make it static.
8873 * rtl.h: Remove the prototype for combine_instructions.
8875 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8878 * tree.c (get_file_function_name_long): Concatenate the first global
8879 object name with a string derived from the input filename of the object
8882 2006-01-16 Ben Elliston <bje@au.ibm.com>
8884 * config/i386/winnt-stubs.c: Update FSF address.
8885 * config/xtensa/ieee754-df.S: Ditto.
8886 * config/xtensa/ieee754-sf.S: Ditto.
8888 2006-01-14 Ian Lance Taylor <ian@airs.com>
8890 * ifcvt.c (noce_init_if_info): New static function, broken out of
8891 noce_process_if_block.
8892 (noce_process_if_block): Call noce_init_if_info.
8893 (check_cond_move_block): New static function.
8894 (cond_move_process_if_block): New static function.
8895 (process_if_block): Call cond_move_process_if_block.
8897 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8899 * cselib.c (hash_table): Rename to cselib_hash_table.
8900 (cselib_clear_table, discard_useless_values,
8901 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8902 cselib_init, cselib_finish): Adjust uses of hash_table.
8904 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8906 PR tree-optimization/25485
8907 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8908 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8909 is known to be false and true, respectively.
8911 2006-01-14 Richard Guenther <rguenther@suse.de>
8913 PR tree-optimization/22548
8914 PR tree-optimization/22555
8915 PR tree-optimization/22501
8916 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8917 * params.def (salias-max-array-elements): New parameter.
8918 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8919 * doc/invoke.texi (salias-max-array-elements): Document.
8920 * tree-flow-inline.h (var_can_have_subvars): We also handle
8922 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8924 * tree-ssa-structalias.c (params.h): Include.
8925 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8926 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8927 (get_constraint_for): For ADDR_EXPR operating on something
8928 containing an ARRAY_REF, add all subvars to the solution.
8929 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8930 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8931 for creating MUST_DEFs.
8932 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8934 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8936 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8938 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8939 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8940 number_of_iterations_le): New functions.
8941 (number_of_iterations_special): Removed.
8942 (number_of_iterations_exit): Do not use number_of_iterations_special.
8943 * tree.c (unsigned_type_for): Always return integer type.
8945 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8946 Richard Guenther <rguenther@suse.de>
8948 PR rtl-optimization/24257
8949 * gcse.c (find_moveable_store): Only consider a store movable
8950 when the SET_SRC of the insn can be assigned to a register.
8952 2006-01-14 Ian Lance Taylor <ian@airs.com>
8954 * tree.c (tree_not_class_check_failed): New function.
8955 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8956 (tree_not_class_check_failed): Declare.
8958 2006-01-13 Ian Lance Taylor <ian@airs.com>
8960 * reload1.c (do_output_reload): Add assertion rejecting a
8963 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8965 * combine.c (struct reg_stat): Add new fields truncation_label and
8967 (record_value_for_reg): Reset truncated_to_mode.
8968 (record_truncated_value): New function.
8969 (check_promoted_subreg): Call it. Rename to check_conversions.
8970 (combine_instructions): Rename check_promoted_subreg to
8972 (reg_truncated_to_mode): New function.
8973 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8974 (gen_lowpart_or_truncate): New function.
8975 (force_to_mode): Use it instead of gen_lowpart.
8977 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8979 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8980 VAR is a tag, not its type tag.
8982 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8984 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8985 alternatives to match style of other entries.
8986 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8988 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8990 PR tree-optimization/25771
8991 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8994 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8997 * tree-inline.c (declare_return_variable): If the return variable
8998 was marked as a non gimple complex, set the return slot variable
8999 to be a non gimple comple variable.
9001 2006-01-13 Richard Guenther <rguenther@suse.de>
9003 * builtins.c (expand_builtin_sincos): New function.
9004 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9006 (expand_builtin): Expand sincos using expand_builtin_sincos.
9008 2006-01-12 DJ Delorie <dj@redhat.com>
9010 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9011 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9012 so that constant shifts can be split.
9013 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9014 (m32c_valid_pointer_mode): Make static.
9015 (shift_gen_func_for): New.
9016 (m32c_prepare_shift): Use it. Split large const shifts into
9018 * config/m32c/predicates.md (shiftcount_operand): Allow more
9020 (longshiftcount_operand): New.
9021 * doc/md.texi (Machine Constraints): Document In6.
9023 2006-01-13 Ben Elliston <bje@au.ibm.com>
9025 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9026 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9029 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9031 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9032 to try to avoid clobbering pieces of structures when we know
9033 something about the whole structure.
9034 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9036 2006-01-13 Ben Elliston <bje@au.ibm.com>
9038 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9039 return in memory, as this is no limitation is no longer present.
9041 2006-01-12 DJ Delorie <dj@redhat.com>
9043 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9044 mova with fb, and for fb+0 -> An.
9046 * config/m32c/mov.md (peephole2): Fix enabling logic.
9048 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9049 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9050 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9051 FINI_ARRAY_SECTION_ASM_OP): Define.
9053 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9055 (m32c_legitimize_reload_address): New logic to reload FB to An.
9056 (m32c_output_reg_push): Add newline.
9057 (m32c_output_reg_pop): Likewise.
9059 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9061 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9063 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9065 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9067 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9069 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9072 2006-01-11 Ben Elliston <bje@au.ibm.com>
9074 * rtlanal.c (find_reg_note): Assert insn is not null.
9076 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9078 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9081 2006-01-11 Jeff Law <law@redhat.com>
9083 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9085 (mark_threaded_blocks, register_jump_thread): New functions.
9086 (thread_through_all_blocks): Remove unwanted argument. No
9087 longer rely on e->aux to communicate thread target info.
9088 Call mark_threaded_blocks. Release the threaded_blocks
9089 bitmap and threaded_edges vector when complete.
9090 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9091 (threaded_blocks): Remove.
9092 (tree_ssa_dominator_optimize): Remove initialization and
9093 finalization of threaded_blocks. Simplify call to
9094 thread_through_all_blocks.
9095 (thread_across_edge): Call register_jump_thread rather than
9096 storing thread information into e->aux.
9097 (free_all_edge_infos): Simplify now that e->aux is no longer
9098 used to communicate with thread_through_all_blocks.
9099 * tree-flow.h (thread_through_all_blocks): Update prototype.
9100 (register_jump_thread): Prototype.
9102 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9104 * df-core.c (df_compact_blocks, df_bb_replace): Use
9105 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9107 2006-01-11 Richard Guenther <rguenther@suse.de>
9109 PR tree-optimization/25734
9110 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9111 stop propagation after successful propagation to the LHS.
9113 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9115 * basic-block.h (control_flow_graph): Change the type of
9116 x_basic_block_info to VEC(basic_block,gc) *.
9117 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9119 (SET_BASIC_BLOCK): New.
9120 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9121 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9122 * cfgbuild.c (find_basic_blocks): Likewise.
9123 * cfglayout.c (fixup_reorder_chain): Likewise.
9124 * cfgrtl.c (create_basic_block_structure,
9125 rtl_create_basic_block): Likewise.
9126 * ifcvt.c (find_if_case_1): Likewise.
9127 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9130 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9132 * Makefile.in: Removed rotted odf.c entry.
9134 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9137 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9138 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9139 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9140 output pattern modifier, not %e.
9141 * config/cris/cris.c (cris_op_str): Update comment about pattern
9143 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9144 before falling through into...
9145 <case 'E'>: Redefined from old 'e' case.
9147 2006-01-11 Jan Hubicka <jh@suse.cz>
9150 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9152 2006-01-11 Jan Hubicka <jh@suse.cz>
9154 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9155 * i386.c (x86_decompose_lea): Kill.
9156 (ix86_rtx_costs): Kill.
9158 2006-01-11 Jan Hubicka <jh@suse.cz>
9160 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9161 * cgraph.h (cgraph_node): Add inline_decl.
9162 (cgraph_insert_node_to_hashtable): Declare.
9163 (save_inline_function_body): Declare.
9164 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9166 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9167 (cgraph_function_versioning): Update call of tree_function_versioning.
9168 (save_inline_function_body): New function.
9169 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9170 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9171 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9172 (cgraph_default_inline_p): Likewise.
9173 (cgraph_decide_inlining_incrementally): Likewise.
9174 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9175 (copy_bb): Kill saving; do updating of clones.
9176 (copy_cfg_body): Kill saving.
9177 (initialize_inlined-parameters): Likewise.
9178 (expand_call_inline): Likewise.
9180 (tree_function_versioning): New parameter "update_clones".
9181 (inlining_p): Kill saving.
9182 * tree-inline.h (tree_function_versioning): Update prototype.
9183 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9186 2006-01-11 Ian Lance Taylor <ian@airs.com>
9188 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9189 Allow undoing set of machine mode.
9190 (do_SUBST): Use enums instead of is_int.
9191 (do_SUBST_MODE): New function.
9192 (SUBST_MODE): New macro.
9193 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9194 reg and trying to replace reg_regno_rtx with a new register.
9195 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9196 (simplify_set): Use SUBST_MODE.
9197 (distribute_notes): Remove code that tried to update reg notes
9198 for regno_reg_rtx changes.
9200 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9202 PR tree-optimization/23109
9203 PR tree-optimization/23948
9204 PR tree-optimization/24123
9206 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9207 * tree-cfg.c (single_noncomplex_succ): New.
9208 * tree-flow.h (single_noncomplex_succ): Declare it.
9209 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9210 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9211 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9212 insert_bb, register_division_in, insert_reciprocals,
9213 replace_reciprocal, free_bb): New.
9214 (execute_cse_reciprocals_1): Rewritten.
9215 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9216 Do not commit any edge insertion. Always compute dominators and
9217 create the allocation pool.
9218 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9219 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9220 * targhooks.c (default_min_divistions_for_recip_mul): New.
9221 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9222 * passes.c (init_optimization_passes): Run recip after tree loop
9224 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9226 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9227 Kenneth Zadeck <zadeck@naturalbridge.com>
9229 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9230 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9231 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9232 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9233 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9234 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9235 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9236 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9237 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9238 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9239 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9240 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9241 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9242 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9243 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9244 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9245 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9246 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9247 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9248 DF_SCAN_POST_ALLOC): New macros.
9249 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9250 df_free_bb_function, df_local_compute_function, df_init_function,
9251 df_dataflow_function, df_confluence_function_0,
9252 df_confluence_function_n, df_transfer_function,
9253 df_finalizer_function, df_free_function, df_dump_problem_function,
9254 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9255 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9256 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9257 df_urec_bb_info, ) New types.
9258 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9260 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9261 df_analyze_simple_change_some_blocks,
9262 df_analyze_simple_change_one_block, df_compact_blocks,
9263 df_bb_replace, df_bb_regno_last_use_find,
9264 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9265 df_insn_regno_def_p, df_find_def, df_find_use,
9266 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9267 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9268 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9269 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9270 debug_df_chain, df_get_dependent_problem, df_chain_create,
9271 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9272 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9273 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9274 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9275 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9276 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9277 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9278 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9279 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9280 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9281 df_reorganize_refs, df_set_state, df_hard_reg_init,
9282 df_read_modify_subreg_p) New public functions.
9283 * df-core.c: The core dataflow solver and glue routines for rtl
9285 (df_init, df_add_problem, df_set_blocks, df_finish,
9286 df_hybrid_search_forward, df_hybrid_search_backward,
9287 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9288 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9289 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9290 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9291 df_reg_defined, df_find_use, df_reg_used, df_dump,
9292 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9293 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9294 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9295 debug_df_useno, reset_df_after_reload): New functions.
9296 * df-scan.c: The scanning fuctions, once in df.c, completely
9297 rewritten so that they now fully model the functionality of
9298 register usage at the backend.
9299 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9300 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9301 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9302 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9303 df_get_artificial_defs, df_get_artificial_uses,
9304 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9305 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9306 df_refs_delete, df_reorganize_refs, df_set_state,
9307 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9308 df_def_record_1, df_defs_record, df_uses_record,
9309 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9310 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9311 df_record_exit_block_uses, df_hard_reg_init): New functions.
9313 * df-problems.c: Seven concrete dataflow problems that use the
9314 scanning in df-scan.c and are solved by the engine in df-core.c.
9315 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9316 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9317 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9318 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9319 df_ru_free_bb_info, df_ru_alloc,
9320 df_ru_bb_local_compute_process_def,
9321 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9322 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9323 df_ru_transfer_function, df_ru_free, df_ru_dump,
9324 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9325 df_rd_free_bb_info, df_rd_alloc,
9326 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9327 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9328 df_rd_transfer_function, df_rd_free, df_rd_dump,
9329 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9330 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9331 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9332 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9333 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9334 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9335 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9336 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9337 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9338 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9339 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9340 df_urec_mark_reg_use_for_earlyclobber,
9341 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9342 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9343 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9344 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9345 df_chain_create_bb_process_use, df_chain_create_bb,
9346 df_chain_finalize, df_chain_free, df_chains_dump,
9347 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9348 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9349 df_reg_lifetime): New functions.
9350 * df.c: Deleted file.
9351 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9352 consistent with new df api.
9353 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9354 rest_of_handle_sms): Ditto.
9355 * web.c (unionfind_union, union_defs, entry_register, web_main):
9357 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9358 invariant_expr_equal_p, find_defs, check_dependencies,
9359 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9360 free_inv_motion_data, move_loop_invariants): Ditto.
9361 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9362 Update dependencies.
9363 (odf.c): Added defective entry that was deleted later in day.
9364 * sched-deps.c (sched_analyze_1): Ditto.
9366 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9368 * tree-ssa-operands.c (get_expr_operands): Record addressable
9369 variables directly. Do not call add_stmt_operands for CONST_DECLs
9371 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9372 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9374 2006-01-11 Ben Elliston <bje@au.ibm.com>
9376 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9377 function returns true in the positive case.
9379 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9382 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9383 for SI, DI, SF and DF modes. Add alternatives to copy between
9384 general and floating point registers to the 32-bit patterns.
9385 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9386 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9387 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9388 generating 64-bit code.
9389 * config/pa/pa.c (output_move_double): Handle copies between general
9390 and floating registers.
9392 2006-01-10 Stuart Hastings <stuart@apple.com>
9394 * config/i386/i386.md (set_got): Update.
9395 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9396 (builtin_setjmp_receiver): Mach-O support.
9397 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9398 (GOT_SYMBOL_NAME): Define.
9399 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9400 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9401 * config/i386/i386.c (override_options): Revise for Darwin.
9402 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9403 support. (darwin_x86_file_end): New. (output_set_got): Add label
9404 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9405 * config/i386/i386-protos.h (output_set_got): Likewise.
9406 * config/darwin.c (machopic_legitimize_pic_address): Update
9409 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9411 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9412 when MODE isn't BLKmode.
9414 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9416 PR rtl-optimization/25367
9417 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9419 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9422 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9423 for a negative bound.
9425 2006-01-10 Richard Guenther <rguenther@suse.de>
9427 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9428 Never override with anything constraint.
9430 2006-01-10 Jan Beulich <jbeulich@novell.com>
9432 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9433 256 bits when optimize_size.
9435 2006-01-10 Jan Beulich <jbeulich@novell.com>
9437 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9439 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9440 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9443 2006-01-10 Ben Elliston <bje@au.ibm.com>
9445 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9447 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9448 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9449 (USE_FP_FOR_ARG): Reject decimal float modes.
9450 (function_arg_advance): Likewise.
9451 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9452 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9453 point types in AltiVec vectors.
9454 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9455 (rs6000_libcall_value): Likewise.
9457 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9459 * config/xtensa/ieee754-df.S: New file.
9460 * config/xtensa/ieee754-sf.S: New file.
9461 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9462 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9463 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9465 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9467 * config/sh/predicates.md (binary_float_operator,
9468 binary_logical_operator, commutative_float_operator,
9469 equality_comparison_operator, greater_comparison_operator,
9470 less_comparison_operator, logical_operator,
9471 noncommutative_float_operator, shift_operator,
9472 symbol_ref_operand, unary_float_operator): Remove redundant
9475 2006-01-09 Jeff Law <law@redhat.com>
9477 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9478 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9479 now unused arguments. Callers updated.
9480 (eliminate_redundant_computations): Remove now unused arguments,
9482 (local_fold): Remove, no longer used.
9483 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9485 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9486 (simplify_cond): New function.
9487 (forward_propagate_into_cond): Call simplify_cond.
9489 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9491 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9492 (*vec_extractv2di_1_sse): New.
9494 2006-01-09 Ben Elliston <bje@au.ibm.com>
9496 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9498 2006-01-08 Richard Guenther <rguenther@suse.de>
9500 * tree-ssa-structalias.c (get_constraint_for): Remove
9502 (get_constraint_for_component_ref): Likewise.
9503 (do_deref): Likewise.
9504 (get_constraint_for): Likewise.
9505 (do_structure_copy): Likewise.
9506 (handle_ptr_arith): Likewise.
9507 (find_func_aliases): Likewise. Remove unused need_anyoffset
9510 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9511 Kaz Kojima <kkojima@gcc.gnu.org>
9513 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9514 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9515 (EXTRA_CONSTRAINT_C16): Remove.
9516 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9517 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9518 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9519 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9520 constants of SHmedia. Handle nested constant expressions of
9522 (andcosts): Fix the costs for SHmedia constants.
9523 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9524 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9525 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9526 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9527 (movv4hi_i, movv2si_i): Likewise.
9528 (movsi_const): Adjust the second operand of ior so to match with
9530 (movdi_const, movdi_const_32bit): Likewise.
9531 (movdi_const_16bit+1): Don't sign-extend LOW.
9532 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9534 (*double_shori): Fix the split condition. Use GEN_INT instead
9535 of get_int_mode calls. Mask lower 16-bit of the argument of
9537 (sym2GOTPLT): Remove.
9538 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9540 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9541 instead of EXTRA_CONSTRAINT_C16.
9543 2006-01-07 Ian Lance Taylor <ian@airs.com>
9544 David Edelsohn <edelsohn@gnu.org>
9546 PR rtl-optimization/25662
9547 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9548 for constant operands instead of simplify_gen_binary.
9549 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9550 after trying simplify_binary_operation
9552 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9554 * tree.c (iterative_hash_expr): Hash decls based on UID.
9556 2006-01-06 Eric Christopher <echristo@apple.com>
9558 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9559 (TARGET_UNWIND_EMIT): Fix spelling.
9560 * target.h (gcc_target): Add except_table_label.
9561 * except.c (output_function_exception_table): Use.
9562 * varasm.c (default_emit_except_table_label): New.
9563 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9565 (asm_out): Add here.
9566 * output.h (default_emit_except_table_label): Prototype.
9567 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9568 * config/darwin.c (darwin_emit_except_table_label): Define.
9569 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9571 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9573 PR tree-optimization/18527
9574 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9575 number_of_iterations_special, number_of_iterations_exit):
9576 Move base and step of an iv to a single structure. Add
9577 no_overflow flag, and use it in # of iterations analysis.
9578 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9579 folded_casts argument.
9580 (simple_iv): Pass base and step in a structure. Set no_overflow
9582 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9583 Evaluate expensiveness of computing # of iterations instead of
9584 the final expression.
9585 * tree-scalar-evolution.h (affine_iv): New structure.
9586 (simple_iv): Declaration changed.
9587 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9588 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9589 find_givs_in_stmt): Changed due to simple_iv change.
9591 2006-01-06 Jeff Law <law@redhat.com>
9594 * tree-cfg.c (bsi_replace): Rename final argument from
9595 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9596 change (stmt -> orig_stmt).
9597 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9598 (bsi_remove): Add new argument. Remove EH information
9600 (verify_eh_throw_table_statements): New function.
9601 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9603 * tree-optimize.c (execute_free_cfg_annotations): Verify
9604 the EH throw statement table after removing annotations.
9605 * except.h (verify_eh_throw_table_statements): Prototype.
9606 * tree-flow.h (bsi_remove): Update prototype.
9607 * tree-vrp.c (remove_range_assertions): Add new argument to
9609 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9610 * tree-complex.c (expand_complex_div_wide): Likewise.
9611 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9612 * tree-tailcall.c (eliminate_tailcall): Likewise.
9613 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9614 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9615 * tree-nrv.c (tree_nrv): Likewise.
9616 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9617 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9618 (combine_blocks): Likewise.
9619 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9620 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9621 (cleanup_control_flow): Likewise.
9622 (remove_forwarder_block): Likewise.
9623 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9624 * tree-sra.c (sra_replace): Likewise.
9625 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9626 (forward_propagate_single_use_vars): Likewise.
9627 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9628 * tree-inline.c (expand_call_inline): Likewise.
9629 * tree-vect-transform.c (vect_transform_loop): Likewise.
9630 * tree-outof-ssa.c (rewrite_trees): Likewise.
9631 * tree-cfg.c (make_goto_expr_edges): Likewise.
9632 (cleanup_dead_labels): Likewise.
9633 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9634 (bsi_move_before, bsi_move_after): Likewise.
9635 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9636 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9638 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9641 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9643 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9644 on non gimple variables. Also add checks at the top for decls and
9646 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9648 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9649 and IMAGPART_EXPR for creating MUST_DEFs.
9650 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9651 and NAME_MEMORY_TAG separately from the DECLs.
9653 2006-01-06 Richard Guenther <rguenther@suse.de>
9655 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9656 annotation, if necessary.
9657 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9658 redundant calls to update_stmt.
9659 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9662 2006-01-05 Richard Henderson <rth@redhat.com>
9664 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9666 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9668 * c-typeck.c: Update copyright date.
9670 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9672 * c-typeck.c (build_c_cast): Always warn when casting
9673 from a pointer to an integer of different size, even if
9674 the node was constant.
9676 2006-01-05 Richard Guenther <rguenther@suse.de>
9678 PR tree-optimization/22555
9679 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9680 if one structure field is an array.
9681 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9682 operands even if we found a subvar, but ignore VOPs in this
9684 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9686 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9688 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9691 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9693 2006-01-05 Richard Guenther <rguenther@suse.de>
9694 Diego Novillo <dnovillo@redhat.com>
9696 * tree-pass.h (TODO_remove_unused_locals): Define.
9697 * gimple-low.c (expand_var_p, remove_useless_vars,
9698 pass_remove_useless_vars): Remove. Update all users.
9699 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9700 (remove_unused_locals): New function.
9701 * tree-flow.h (remove_unused_locals): Declare.
9702 * passes.c (execute_todo): Call remove_unused_locals if
9703 TODO_remove_unused_locals is set.
9704 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9705 * tree-ssa-dce.c (pass_dce): Likewise.
9706 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9708 2006-01-05 Richard Guenther <rguenther@suse.de>
9710 * tree-flow.h (struct fieldoff): Decompose field to
9711 type, size and decl.
9712 * tree-ssa-alias.c (create_sft): Take type as parameter.
9713 (create_overlap_variables_for): Store type, size and decl
9714 in the fieldoff structure.
9715 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9717 (push_fields_onto_fieldstack): Likewise.
9718 (create_variable_info_for): Likewise. Use offset for the
9719 SFT name if the decl is not available.
9721 2006-01-04 Paul Brook <paul@codesourcery.com>
9723 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9725 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9727 * lambda-code.c (can_put_in_inner_loop): Relax
9729 (can_put_after_inner_loop): New function.
9730 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9731 (perfect_nestify): Change to make copies and modify uses.
9733 2006-01-04 Richard Henderson <rth@redhat.com>
9735 Merge from gomp branch:
9736 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9737 via integer constant.
9738 (pragma_lex): Remove.
9739 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9740 rather than parsing it.
9741 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9742 handle_pragma_extern_prefix): Add %< %> quotes.
9743 (registered_pragmas): New.
9744 (c_register_pragma_1): New.
9745 (c_register_pragma): Use it.
9746 (c_register_pragma_with_expansion): Likewise.
9747 (c_invoke_pragma_handler): New.
9748 (init_pragma): Use cpp_register_deferred_pragma directly for
9750 * c-pragma.h (enum pragma_kind): New.
9751 (pragma_handler): New.
9752 (c_invoke_pragma_handler): Declare.
9753 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9755 * c-common.h (c_common_pch_pragma): Update decl.
9756 * Makefile.in (c-parser.o): Update dependencies.
9757 (GTFILES): Add c-pragma.h.
9758 * c-parser.c (struct c_token): Add pragma_kind.
9759 (struct c_parser): Add in_pragma.
9760 (c_lex_one_token): Always initialize keyword and pragma_kind.
9761 Extract data for CPP_PRAGMA.
9762 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9763 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9764 Don't allow CPP_PRAGMA_EOL if in_pragma.
9765 (c_parser_consume_pragma): New.
9766 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9767 (c_parser_skip_to_end_of_parameter): Likewise.
9768 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9769 (c_parser_skip_to_pragma_eol): New.
9770 (c_parser_external_declaration): Handle CPP_PRAGMA.
9771 (c_parser_compound_statement_nostart): Likewise.
9772 (c_parser_statement_after_labels): Likewise.
9773 (c_parser_pragma): New.
9774 (pragma_lex): Likewise.
9775 (c_parser_pragma_pch_preprocess): New.
9776 (c_parser_new): Merge into ...
9777 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9779 2006-01-04 Jeff Law <law@redhat.com>
9782 * tree-cfg.c (bsi_replace): Remove the original statement
9783 from the EH throw statement table.
9785 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9787 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9788 make the prototype extern "C" and add throw ().
9791 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9792 and pos non-negative and pos + len <= 32.
9793 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9794 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9795 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9798 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9799 as well as sizes not multiple of component size.
9802 * function.c (instantiate_expr): New function.
9803 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9804 walk its DECL_VALUE_EXPR with instantiate_expr.
9806 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9807 DW_OP_deref{,_size} if address isn't going to be added.
9809 2006-01-04 Ben Elliston <bje@au.ibm.com>
9811 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9812 * config/fp-bit.c: Likewise.
9814 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9816 * dominance.c: Add comment about why we use DFS numbering
9819 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9820 Richard Henderson <rth@redhat.com>
9822 Merge from gomp-branch:
9823 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9824 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9826 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9828 PR rtl-optimization/25578
9829 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9830 pass a parameter to simplify_shift_const if changing ASHIFTRT
9833 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9835 * builtins.c (get_builtin_sync_mem): New function.
9836 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9837 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9838 Call get_builtin_sync_mem to generate mem rtx.
9840 2006-01-03 Richard Guenther <rguenther@suse.de>
9843 * stmt.c (add_case_node): Make sure to clear overflow flags
9846 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9848 Merge from gomp-branch.
9849 * config/sparc/sync.md: New file.
9850 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9851 UNSPECV_LDSTUB): New constants.
9852 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9853 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9854 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9857 2006-01-03 Roger Sayle <roger@eyesopen.com>
9859 * combine.c (reg_subword_p): New predicate to test whether the
9860 destination of a set refers to a subword/piece of a register.
9861 (try_combine): Generalize the code to merge the setting of a
9862 pseudo to a constant followed by a set of a subword of that
9863 register to a constant.
9865 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9867 * basic-block.h (control_flow_graph): Change the type of
9868 x_label_to_block_map to VEC(basic_block,gc) *.
9869 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9870 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9872 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9873 VEC(basic_block,heap) *.
9874 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9875 ssa_prop_fini): Adjust the uses of cfg_blocks.
9877 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9879 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9881 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9882 hashing trees instead of a pointer hash.
9883 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9884 compare for MEM_EXPR.
9886 PR rtl-optimization/25130
9887 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9888 when comparing MEMs for GCSE
9890 2006-01-03 Ben Elliston <bje@au.ibm.com>
9892 * targhooks.h (default_decimal_float_supported_p): Declare.
9893 * targhooks.c (default_decimal_float_supported_p): Define.
9894 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9895 `default_decimal_float_supported_p'.
9896 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9898 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9900 * combine.c (apply_distributive_law <SUBREG>): Check
9901 TRULY_NOOP_TRUNCATION.
9903 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9905 * dwarf2out.c (have_switched_text_section): Delete.
9906 (have_multiple_function_sections): New.
9907 (have_location_lists): Make 'bool'.
9908 (add_AT_loc_list): Use 'true' not '1'.
9909 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9910 (output_loc_list): Use have_multiple_function_sections.
9911 (output_ranges): Likewise.
9912 (dwarf2out_begin_function): Set have_multiple_function_sections if
9914 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9915 Check function_section rather than DECL_SECTION_NAME.
9916 (dwarf2out_finish): Use have_multiple_function_sections.
9917 Don't clear have_location_lists.
9919 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9920 Jan Hubicka <jh@suse.cz>
9922 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9923 case of conditional jump jumping to the next instruction.
9924 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9925 cases of conditional jump jumping to the next instruction.
9927 2006-01-02 Jan Hubicka <jh@suse.cz>
9929 * i386.c (*_cost): Add COSTS_N_INSNS.
9930 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9932 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9935 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9937 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9939 * config/arm/arm.c (all_fpus): Fix comment typo.
9940 * config/darwin.c: Likewise.
9941 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9942 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9943 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9945 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9947 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9948 (rs6000_split_compare_and_swapqhi): New.
9949 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9950 (sync_compare_and_swapqhi_internal): New.
9951 * config/rs6000/rs6000-protos.h: Declare.