1 2006-04-27 Stuart Hastings <stuart@apple.com>
3 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4 * config/t-darwin (crt3.o): Use it.
5 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
8 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
12 2006-04-27 Roger Sayle <roger@eyesopen.com>
14 * expmed.c (store_fixed_bit_field): If we're not optimizing for
15 size, force the intermediate into a new pseudo rather instead of
16 performing both a bitwise AND and a bitwise IOR in memory.
18 2006-04-27 Richard Guenther <rguenther@suse.de>
20 PR rtl-optimization/26685
21 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
22 this one "max-flow-memory-locations".
24 2006-04-27 Richard Guenther <rguenther@suse.de>
26 PR tree-optimization/25148
27 * tree-vrp.c (compare_values): Remove code dealing with
28 comparisons against type min/max value. Honour overflow
29 and negative constants in code dealing with comparisons
30 of plus and minus expressions.
31 (value_inside_range): Use fold_binary with LE_EXPR and
32 GE_EXPR rather than compare_values.
34 2006-04-27 Dirk Mueller <dmueller@suse.de>
36 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
39 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
41 * basic-block.h (safe_insert_insn_on_edge): Removed.
42 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
45 2006-04-26 David Edelsohn <edelsohn@gnu.org>
46 Paolo Bonzini <bonzini@gnu.org>
49 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
50 (simplify_and_const_int): Same.
52 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
54 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
56 2006-04-26 Jakub Jelinek <jakub@redhat.com>
59 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
60 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
61 cgraph_global_info_ready.
64 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
67 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
68 either decl or init is error_mark_node.
71 * tree-flow.h (struct omp_region): Add sched_kind.
72 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
73 instead of extracting omp for data.
74 (expand_omp_for): Save extracted sched_kind.
76 2006-04-25 Roger Sayle <roger@eyesopen.com>
78 * expmed.c (store_bit_field): Also check whether the bitsize is
79 valid for the machine's "insv" instruction before moving the
80 target into a pseudo for use with the insv.
81 * config/i386/predicates.md (const8_operand): New predicate.
82 * config/i386/i386.md (extv, extzv, insv): Use the new
83 const8_operand predicate where appropriate.
85 2006-04-25 DJ Delorie <dj@redhat.com>
87 * doc/install.texi (Specific): Clarify that this is not a list of
88 supported hosts or targets.
90 2006-04-25 Richard Sandiford <richard@codesourcery.com>
92 PR rtl-optimization/26725
93 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
94 block's BB_DIRTY flag.
96 2006-04-25 Geoffrey Keating <geoffk@apple.com>
98 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
101 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
104 2006-04-25 David Edelsohn <edelsohn@gnu.org>
106 * varasm.c (align_variable): New function.
107 (get_block_for_decl): Apply align_variable to DECL before
108 calculating section information.
109 (assemble_variable): Split out alignment computation.
111 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
113 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
116 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
118 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
119 MODE_PARTIAL_INT mode.
120 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
121 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
123 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
124 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
126 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
128 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
130 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
131 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
132 MACFLAG_IH): Likewise.
133 (movstricthi_1): Renamed from "*movstricthi".
134 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
135 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
136 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
137 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
138 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
139 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
140 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
141 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
142 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
143 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
144 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
145 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
146 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
147 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
148 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
150 * doc/rtl.texi (ss_ashift): Improve wording.
152 2006-04-24 Geoffrey Keating <geoffk@apple.com>
154 * dwarf2out.c (verify_marks_clear): New.
155 (prune_unused_types): Call verify_marks_clear initially, not
158 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
160 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
161 * doc/rtl.texi: Document them.
162 * simplify-rtx.c (simplify_unary_operation,
163 simplify_binary_operation_1): Don't abort when we see them.
165 2006-04-24 Mark Mitchell <mark@codesourcery.com>
168 2006-04-23 Mark Mitchell <mark@codesourcery.com>
169 * configure.ac: Completely disregard languages that are not
171 * configure: Regenerated.
173 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
174 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/27236
177 * tree-inline.c (copy_body_r): Make sure to copy
178 TREE_THIS_VOLATILE flag.
180 2006-04-24 Richard Guenther <rguenther@suse.de>
183 * tree-complex.c (update_parameter_components): Don't handle
184 unused parameters which have no default def.
186 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
187 Richard Guenther <rguenther@suse.de>
189 PR tree-optimization/27218
190 * tree-inline.c (expand_call_inline): Strip useless type
191 conversions for the return slot address.
193 2006-04-24 Richard Guenther <rguenther@suse.de>
195 * cfgloop.h (struct loops): Remove unused field array. Reorder
197 (LOOP_PREFETCH): Remove.
199 2006-04-24 Richard Guenther <rguenther@suse.de>
201 PR tree-optimization/22525
202 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
203 variable, adjust types of generated expressions.
205 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
207 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
208 (tree-vect-patterns.o): Likewise.
210 (cselib.o): Likewise.
211 (loop-doloop.o): Likewise.
212 (regclass.o): Likewise.
213 (reload1.o): Likewise.
214 (explow.o): Replace target.h with $(TARGET_H).
215 (ipa-prop.o): Likewise.
216 (ipa-cp.o): Likewise.
217 (ipa-inline.o): Likewise.
219 (reg-stack.o): Likewise.
221 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
223 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
225 2006-04-23 Mark Mitchell <mark@codesourcery.com>
227 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
229 * configure.ac: Completely disregard languages that are not
231 * configure: Regenerated.
234 * c-common.h (c_build_bitfield_integer_type): Declare.
235 * c-decl.c (c_build_bitfield_integer_type): Move to ...
236 * c-common.c (c_build_bitfield_integer_type): ... here.
238 2006-04-23 Roger Sayle <roger@eyesopen.com>
241 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
242 a SImode SUBREG of a floating point register after no_new_pseudos.
244 2006-04-23 Roger Sayle <roger@eyesopen.com>
246 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
247 identify potentially eliminable registers to additionally catch
248 VIRTUAL_INCOMING_ARGS_REGNUM.
249 (addsi3): Update the conditions on when to use addsi_small_int.
251 2006-04-23 Roger Sayle <roger@eyesopen.com>
254 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
255 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
256 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
258 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
260 * fold-const.c (range_predecessor): Use operand_equal_p
261 as the predicate for equality.
262 (range_successor): Likewise.
264 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
267 * config/soft-fp/op-common.h: Fix a typo.
269 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
272 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
273 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
275 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
277 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
279 * doc/tm.texi: Fix a typo.
281 2006-04-21 Geoffrey Keating <geoffk@apple.com>
283 * dwarf2out.c (struct die_struct): Document that die_sib makes
284 a circular linked list.
285 (FOR_EACH_CHILD): New.
286 (reverse_die_lists): Delete.
287 (reverse_all_dies): Delete.
288 (add_dwarf_attr): Correct documentation.
289 (remove_child_with_prev): New.
290 (remove_child_TAG): Update for change to die_struct, use
291 remove_child_with_prev.
292 (add_child_die): Update for change to die_struct.
293 (splice_child_die): Use remove_child_with_prev and add_child_die.
294 (print_die): Use FOR_EACH_CHILD.
295 (die_checksum): Likewise.
296 (assign_symbol_names): Likewise.
297 (output_location_lists): Likewise.
298 (build_abbrev_table): Likewise.
299 (calc_die_sizes): Likewise.
300 (mark_dies): Likewise.
301 (unmark_dies): Likewise.
302 (unmark_all_dies): Likewise.
303 (output_die): Likewise.
304 (prune_unused_types_mark): Likewise.
305 (prune_unused_types_walk): Likewise.
306 (same_die_p): Update for change to die_struct.
307 (break_out_includes): Likewise.
308 (prune_unused_types_prune): Likewise.
309 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
310 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
312 (dwarf2out_finish): Don't call reverse_all_dies.
314 2006-04-21 Eric Christopher <echristo@apple.com>
316 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
317 in comments and function names.
319 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
322 * c-typeck.c (digest_init): Robustify.
324 * c-typeck.c (pop_init_level): Simplify.
326 2006-04-21 Steve Ellcey <sje@cup.hp.com>
328 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
330 2006-04-21 Paul Brook <paul@codesourcery.com>
332 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
333 hardware floating point.
335 2006-04-21 David Edelsohn <edelsohn@gnu.org>
337 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
340 2006-04-21 Nick Clifton <nickc@redhat.com>
342 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
345 2006-04-21 Alan Modra <amodra@bigpond.net.au>
348 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
349 C++ lang type in traceback table for Objective-C++.
351 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
353 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
355 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
357 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
360 * tree-mudflap.c (mudflap_finish_file): Skip function when there
361 were errors. Remove check for erroneous objects.
363 2006-04-20 Jeff Law <law@redhat.com>
365 PR tree-optimization/26854
366 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
367 checking for zero or one use.
368 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
369 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
370 * tree-ssa-reassoc.c (negate_value): Similarly.
371 (reassociate_bb): Similarly.
373 2006-04-20 Jakub Jelinek <jakub@redhat.com>
375 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
376 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
377 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
379 2006-04-20 Alan Modra <amodra@bigpond.net.au>
381 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
382 fp regs if the last fp arg doesn't fit in regs.
384 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
387 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
388 that the last insn has the REG_INC note.
390 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
391 Nathan Sidwell <nathan@codesourcery.com>
394 * stor-layout.c (update_alignment_for_field): Do not align
396 (place_union_field): Place union field at the start of the union.
397 (place_field): Move ERROR_MARK check later, and use the current
398 allocation position to maintain monotonicity.
400 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
402 * dominance.c: Include timevar.h.
403 (calculate_dominance_info): Use TV_DOMINANCE.
404 * timevar.def (TV_DOMINANCE): New timevar.
405 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
407 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
409 PR rtl-optimization/14261
410 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
411 move would be an INSV insn.
412 (noce_process_if_block): Don't optimize if the destination is a
413 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
415 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
417 * config/s390/s390.md: Add comments with the instructions emitted
418 by an insn pattern if macros are used.
420 2006-04-19 Alan Modra <amodra@bigpond.net.au>
422 PR rtl-optimization/26026
423 * fold-const.c (fold_binary): Optimize div and mod where the divisor
424 is a known power of two shifted left a variable amount.
426 2006-04-18 Geoffrey Keating <geoffk@apple.com>
428 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
429 to hash table twice when the debug_str section has SECTION_MERGE.
431 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
433 * config/soft-fp: New directory. From glibc.
434 * config/soft-fp/t-softfp: New.
435 * config/soft-fp/README: New.
436 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
437 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
438 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
439 (LIBGCC_DEPS): Add $(SFP_MACHINE).
440 * config.gcc: Use rs6000/t-fprules-fpbit or
441 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
443 * config/rs6000/sfp-machine.h: New. Based on glibc.
444 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
446 * config/rs6000/t-fprules: Remove fp-bit rules.
447 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
448 * config/rs6000/t-linux64: Likewise. Remove duplicates from
449 LIB2FUNCS_EXTRA. Remove fp-bit rules.
450 (softfp_wrap_start, softfp_wrap_end): New.
452 2006-04-18 DJ Delorie <dj@redhat.com>
454 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
456 2006-04-18 Devang Patel <dpatel@apple.com>
458 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
460 2006-04-18 Nick Clifton <nickc@redhat.com>
462 * config/sh/t-symbian: Add rule to build sh-c.o
463 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
464 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
465 (sh_symbian_encode_section_info): Likewise.
467 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
469 * builtins.c (expand_builtin_strcmp): Cover label definition of
470 do_libcall with HAVE_cmpstrnsi.
472 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
474 * function.c (temp_slots_at_level, max_slot_level): Use VEC
476 * function.h (temp_slot_p): New.
477 (function): Change the type of x_used_temp_slots to
478 VEC(temp_slot_p,gc) *.
480 2006-04-18 Nick Clifton <nickc@redhat.com>
482 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
483 flag_strength_reduce.
485 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
487 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
491 Partial revert of revision 112637
492 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
493 Dale Johannesen <dalej@apple.com>
496 * regclass.c (struct reg_pref): Update documentation.
497 (regclass): Set prefclass to NO_REGS if memory is the best option.
498 (record_reg_classes): Cope with a prefclass set to NO_REGS.
500 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
502 PR tree-optimization/26821
503 * tree-ssa-math-opts.c (get_constant_one): New.
504 (insert_reciprocals): Use it.
506 2006-04-17 Geoffrey Keating <geoffk@apple.com>
508 * dwarf2out.c (free_AT): Delete.
509 (remove_AT): Update string ref counts.
510 (remove_child_TAG): Don't call free_die.
512 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
514 (prune_unused_types_walk_attribs): Reset string refcounts.
515 (prune_unused_types_update_strings): New.
516 (prune_unused_types_prune): Don't make unnecessary stores. Don't
517 call free_die. Do call prune_unused_types_update_strings.
518 (prune_unused_types): Empty debug_str_hash.
520 2006-04-17 Roger Sayle <roger@eyesopen.com>
522 * expr.c (expand_assignment): Optimize away no-op moves where the
523 source and destination are equal and have no side-effects.
525 2006-04-17 Richard Guenther <rguenther@suse.de>
528 * reload.c (push_reload): Guard calls to get_secondary_mem
531 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
533 * alias.c (reg_base_value, old_reg_base_value): Change the
534 type to VEC(rtx,gc) *.
535 (REG_BASE_VALUE, find_base_value, record_set,
536 init_alias_analysis): Use VEC instead of VARRAY.
538 * alias.c (alias_sets): Change the type to
539 VEC(alias_set_entry,gc) *.
540 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
541 VEC instead of VARRAY.
542 (last_alias_set): Remove.
544 * cgraph.h (cgraph_edge_p): New.
545 Update the prototype of cgraph_function_versioning.
546 * cgraphunit.c (cgraph_copy_node_for_versioning,
547 cgraph_function_versioning): Use VEC instead of VARRAY.
548 * ipa-cp.c (ipcp_insert_stage): Likewise.
550 2006-04-16 Roger Sayle <roger@eyesopen.com>
553 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
554 "A op B" or "A op C", we may need to convert A to the type of B and C.
556 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
558 * target.h (struct gcc_target): Add mode_rep_extended.
559 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
560 (init_num_sign_bit_copies_in_rep): Initialize it using
562 (truncate_to_mode): Use it.
563 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
564 * targhooks.h (default_mode_rep_extended): Declare it.
565 * targhooks.c (default_mode_rep_extended): Define it.
566 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
567 default_mode_rep_extended.
568 (TARGET_INITIALIZER): Include it.
569 * doc/tm.texi (Misc): Document it.
570 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
571 (mips_truncated_to_mode): New function.
573 2006-04-16 Roger Sayle <roger@eyesopen.com>
576 * expr.c (compress_float_constant): Copy the narrow constant into
577 a new pseudo before extending it to its final width.
579 2006-04-16 Roger Sayle <roger@eyesopen.com>
580 Andrew Pinski <pinskia@gcc.gnu.org>
581 Dale Johannesen <dalej@apple.com>
584 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
585 special case code to implement V8HImode and V16QImode with SSE2.
587 2006-04-15 Roger Sayle <roger@eyesopen.com>
589 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
590 trees are constructed with a suitable tree type.
592 2006-04-15 Roger Sayle <roger@eyesopen.com>
594 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
595 (integer_onep): Likewise.
596 (integer_all_onesp): Likewise.
597 (integer_pow2p): Likewise.
598 (integer_nonzerop): Likewise.
599 (real_zerop): Likewise.
600 (real_onep): Likewise.
601 (real_twop): Likewise.
602 (real_minus_onep): Likewise.
603 (int_size_in_bytes): Likewise.
604 (host_integerp): Likewise.
606 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
608 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
609 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
610 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
612 * tree-ssa-structalias.h (alias_info): Remove num_references.
614 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
616 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
617 (output_bvb patterns): Likewise.
618 * pa.c (output_bb): Use 'bb' insn for long branch case.
619 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
620 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
621 1. Correct length operand for alternatives 1 and 2.
622 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
623 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
625 2006-04-14 Roger Sayle <roger@eyesopen.com>
627 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
628 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
629 were accidentally reverted by r112959.
631 2006-04-15 Jakub Jelinek <jakub@redhat.com>
634 * except.h (eh_region_outermost): New prototype.
635 * except.c (eh_region_outermost): New function.
636 * tree-cfg.c (find_outermost_region_in_block): Use it.
638 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
640 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
642 * reload1.c (reg_equiv_memory_loc_varray): Rename to
643 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
644 (init_reload, reload): Use VEC instead of VARRAY.
645 * reload.h: Update the prototype for
646 reg_equiv_memory_loc_varray.
648 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
649 Eric Botcazou <ebotcazou@libertysurf.fr>
651 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
654 2005-04-13 Uros Bizjak <uros@kss-loka.si>
657 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
658 to expand fallback builtin function call.
660 2006-04-14 Alan Modra <amodra@bigpond.net.au>
663 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
664 and emit libcall here in case the builtin fails.
665 (expand_builtin_strcmp): Always emit the libcall here on failure.
667 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
669 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
670 * flow.c (reg_n_info): Change the type to
671 VEC(reg_info_p,heap) *.
672 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
674 * regs.h (reg_info_p): New.
675 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
676 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
677 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
680 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
682 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
684 * params.h (MAX_SCHED_READY_INSNS): New macro.
685 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
686 past MAX_SCHED_READY_INSNS during the first scheduling pass.
687 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
688 the ready list for 1 cycle during the first scheduling pass.
689 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
691 2006-04-13 Richard Henderson <rth@redhat.com>
694 * gimple-low.c (lower_omp_directive): Remove dead code.
695 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
696 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
697 * omp-low.c (struct omp_region): Move to tree-flow.h.
698 (root_omp_region): Export.
699 (omp_regions, lookup_omp_region): Remove.
700 (determine_parallel_type): Update for struct omp_region changes.
701 (dump_omp_region): Dump regions with block numbers.
702 (new_omp_region): Take type and block instead of stmt; malloc
704 (free_omp_region_1, free_omp_regions): New.
705 (expand_parallel_call): Take entry_stmt as argument; update for
706 changes to omp_region.
707 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
708 (remove_exit_barriers): New.
709 (expand_omp_parallel): Update for struct omp_region changes.
710 (expand_omp_synch): Likewise.
711 (expand_omp): Likewise.
712 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
713 (expand_omp_for_static_chunk): Likewise.
714 (expand_omp_for): Likewise.
715 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
716 (expand_omp_sections): Similarly, with GOMP_sections_end.
717 (expand_omp_single): New.
718 (build_omp_regions_1): Update for OMP_CONTINUE.
719 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
720 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
721 OMP_SECTIONS_SECTIONS.
722 (lower_omp_single_simple): Don't emit barrier here.
723 (lower_omp_single_copy): Likewise.
724 (lower_omp_single): Fix bindings, and lower to straightline now.
725 (lower_omp_master, lower_omp_ordered): Likewise.
726 (lower_omp_critical): Likewise.
727 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
728 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
729 omp edges, free it afterward.
730 (make_omp_sections_edges): Remove.
731 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
732 (move_stmt_r): Handle OMP_CONTINUE.
733 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
734 statement pointers to basic blocks. Add type member.
735 (root_omp_region, new_omp_region, free_omp_regions): Declare.
736 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
737 * tree-inline.c (estimate_num_insns_1): Likewise.
738 * tree-pretty-print.c (dump_generic_node): Likewise.
739 * tree-ssa-operands.c (get_expr_operands): Likewise.
740 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
741 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
743 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
744 (OMP_SECTIONS_SECTIONS): Remove.
745 (OMP_SECTION_LAST): New.
746 (OMP_RETURN_NOWAIT): New.
748 2006-04-13 Roger Sayle <roger@eyesopen.com>
750 * fold-const.c (native_encode_vector, native_interpret_real):
751 Correct obvious mistakes in the previous check-in.
753 2006-04-13 Roger Sayle <roger@eyesopen.com>
755 * fold-const.c (native_encode_expr): New function to encode
756 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
757 or VECTOR_CST into a specified buffer.
758 (native_encode_int): New function.
759 (native_encode_real): New function.
760 (native_encode_complex): New function.
761 (native_encode_vector): New function.
762 (native_interpret_expr): Inverse of native_encode_expr to convert
763 a target representation into an INTEGER_CST, REAL_CST etc...
764 (native_interpret_int): New function.
765 (native_interpret_real): New function.
766 (native_interpret_complex): New function.
767 (native_interpret_vector): New function.
768 (fold_view_convert_expr): New function to constant fold/evaluate
769 a VIEW_CONVERT_EXPR of a suitable constant expression.
770 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
771 Change call of build1 to fold_build1 when constructing a
774 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
775 Ulrich Weigand <uweigand@de.ibm.com>
778 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
781 2006-04-13 Alan Modra <amodra@bigpond.net.au>
784 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
785 optimize to lo_sum for DFmode if !TARGET_FPRS.
787 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
789 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
790 delete_alias_info, compute_flow_sensitive_aliasing,
791 group_aliases): Use VEC instead of VARRAY.
792 * tree-ssa-structalias.c (update_alias_info): Likewise.
793 * tree-ssa-structalias.h (alias_info): Change the type of
794 processed_ptrs to VEC(tree,heap) *.
796 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
799 * config/sh/lib1funcs.h: New file, broken out of:
800 * config/sh/lib1funcs.asm.
801 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
803 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
804 * config/sh/lib1funcs-Os-4-200.asm: New file.
805 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
806 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
807 (EXTRA_MULTILIB_PARTS): Include it.
808 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
809 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
810 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
811 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
814 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
816 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
817 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
818 tpa_compact, root_var_init, type_var_init): Use VEC instead of
820 * tree-ssa-live.h: Include vecprim.h.
821 (tree_partition_associator_d): Change the type of
822 first_partition to VEC(int,heap) *.
823 (tpa_first_partition): Use VEC instead of VARRAY.
825 * Makefile.in (GTFILES): Move functions.h after tree.h.
826 * function.c (reset_block_changes, record_block_change,
827 check_block_change, free_block_changes): Use VEC instead of
829 * function.h (function): Change the type of
830 ib_boundaries_block to VEC(tree,gc) *.
831 * tree-inline.c (copy_cfg_body): Initialize
832 ib_boundaries_block to NULL instead of (varray_type) 0.
834 2006-04-12 Roger Sayle <roger@eyesopen.com>
836 * expr.c (emit_group_store): Correct operand order in call to
837 subreg_lowpart_offset. Always create paradoxical SUBREGs with
838 a SUBREG_BYTE of zero.
840 2006-04-12 Richard Guenther <rguenther@suse.de>
842 * profile.c (compute_branch_probabilities): Remove code
843 encapsulated in !ir_type (), which are remanents of the
844 removed RTL profiling code.
845 * rtl-profile.c: Remove.
847 2006-04-12 Alan Modra <amodra@bigpond.net.au>
849 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
850 magic NULL_RTX comment.
851 (function_arg): Store entire fp arg to mem if any part should go
853 (rs6000_arg_partial_bytes): Adjust for above change.
855 2006-04-11 Roger Sayle <roger@eyesopen.com>
857 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
858 if it hasn't been initialized by dwarf2out_init.
860 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
862 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
863 symbolic constants in branch patterns.
865 2006-04-11 Roger Sayle <roger@eyesopen.com>
867 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
869 2006-04-11 Richard Sandiford <richard@codesourcery.com>
871 PR rtl-optimization/27073
872 * gcse.c (try_replace_reg): Revert last change. Continue to search
873 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
876 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
878 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
879 aggregate types other than record and union types.
880 (function_arg): Likewise.
881 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
883 (function_value): In 64-bit mode, return objects that require it
886 2006-04-11 Roger Sayle <roger@eyesopen.com>
888 * dwarf2out.c (premark_used_types): Remove problematic prototype.
890 2006-04-11 Jakub Jelinek <jakub@redhat.com>
892 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
894 2006-04-03 Jeff Law <law@redhat.com>
897 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
898 alias information too.
900 2006-04-10 Mike Frysinger <vapier@gentoo.org>
902 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
904 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
907 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
908 (premark_used_types_helper): New.
909 (premark_used_types): New.
910 (gen_subprogram_die): Call premark_used_types.
911 (prune_unused_types_walk): Do not prune perennial dies.
912 * function.c (used_types_insert): New.
913 * function.h (struct function): Add used_types_hash field.
914 (used_types_insert): Add prototype.
915 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
916 * c-parser.c (c_parser_cast_expression): Save casted types in used
919 2006-04-11 Mark Mitchell <mark@codesourcery.com>
922 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
923 rs6000_explicit_options.float_gprs.
925 2006-04-10 Roger Sayle <roger@eyesopen.com>
927 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
928 from ix86_expand_vector_init_low_nonzero. Take an additional
929 one_var argument indicating which element is non-zero. Support
930 one_var != 0 for V4SFmode and V4SImode by permuting the result.
931 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
932 with one_var instead of ix86_expand_vector_init_low_nonzero.
934 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
936 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
937 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
938 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
939 build/genextract.o): Depend on vecprim.h.
940 * cfglayout.c, df-problems.c, function.c, genextract.c,
941 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
942 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
946 2006-04-10 Geoffrey Keating <geoffk@apple.com>
948 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
949 Declare VECs of this type.
950 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
951 (remove_children): Delete.
952 (add_dwarf_attr): Use VEC routines.
953 (add_AT_flag): Update for changes to add_dwarf_attr.
954 (add_AT_int): Likewise.
955 (add_AT_unsigned): Likewise.
956 (add_AT_long_long): Likewise.
957 (add_AT_vec): Likewise.
958 (add_AT_string): Likewise.
959 (add_AT_die_ref): Likewise.
960 (add_AT_fde_ref): Likewise.
961 (add_AT_loc): Likewise.
962 (add_AT_loc_list): Likewise.
963 (add_AT_addr): Likewise.
964 (add_AT_lbl_id): Likewise.
965 (add_AT_lineptr): Likewise.
966 (add_AT_macptr): Likewise.
967 (add_AT_offset): Likewise.
968 (add_AT_range_list): Likewise.
969 (get_AT): Use VEC_iterate.
970 (remove_AT): Use VEC_ordered_remove.
971 (free_die): Fold remove_children into here; have it use VEC_iterate.
972 (print_die): Use VEC_iterate on attrs.
973 (reverse_die_lists): Don't reverse attr lists.
974 (die_checksum): Use VEC_iterate on attrs.
975 (same_die_p): Likewise.
976 (output_location_lists): Likewise.
977 (build_abbrev_table): Likewise.
978 (size_of_die): Likewise.
979 (unmark_all_dies): Likewise.
980 (output_abbrev_section): Likewise.
981 (output_die): Likewise.
982 (prune_unused_types_walk_attribs): Likewise.
984 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
986 * doc/install.texi (*-*-solaris2*): Point to the configure page.
988 2006-04-10 Jakub Jelinek <jakub@redhat.com>
991 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
993 2006-04-09 Roger Sayle <roger@eyesopen.com>
995 * expr.c (store_constructor): Don't bother clearing target if
996 we're about to assign a vector to it using vec_init_optab.
998 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1000 * tree-ssa-alias.c (lhs_may_store_to): New function.
1001 (recalculate_used_alone): Handle LHS of calls.
1003 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1007 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1008 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1009 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1010 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1011 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1012 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1013 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1014 stubs. Add ".align 8" directives before all ".dword" directives.
1015 (GTHREAD_USE_WEAK): Revise comment.
1016 (TARGET_ATTRIBUTE_WEAK): Define.
1017 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1018 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1019 * stublib.c: New file.
1024 * pa.md (cbranch patterns): Revise arguments used in calls to
1025 output_cbranch, output_bb and output_bvd. Add long branch length
1027 (fbranch patterns): Handle long branches.
1028 (jump): Revise length check. Revise arguments for output_lbranch call.
1029 Add long branch length attributes.
1030 (decrement_and_branch_until_zero): Add long branch length attributes.
1031 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1032 Likewise. Revise arguments for output_parallel_addb and
1033 output_parallel_movb calls.
1034 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1035 output_parallel_movb and output_parallel_addb): Update prototypes.
1036 * pa.c (output_cbranch): Revise arguments. Correct handling of
1037 nullification in long branches.
1038 (output_lbranch): Add new argument to control extraction of delay
1040 (output_bb): Handle long branches.
1041 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1042 output_parallel_addb): Likewise.
1044 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1046 PR rtl-optimization/27073
1047 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1050 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1052 * tree.h (tree_memory_tag): Add old_used_alone.
1053 (SMT_OLD_USED_ALONE): New macro.
1054 * tree-ssa-alias.c (recalculate_used_alone): Stop
1055 marking things for renaming unnecessarily.
1057 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1059 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1060 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1061 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1062 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1063 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1064 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1065 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1066 spelling convensions.
1067 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1068 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1069 typos. Follow spelling conventions.
1071 2006-04-07 DJ Delorie <dj@redhat.com>
1073 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1074 passed on the stack.
1075 (m32c_init_cumulative_args): When a function returns a structure,
1076 always pass the pointer to that return area on the stack.
1077 (m32c_function_arg_advance): Don't increment the parameter number
1078 if we're processing the returned structure pointer.
1079 (pushm_info): Reverse order of registers.
1081 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1083 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1084 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1085 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1086 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1088 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1089 chrec_fold_multiply): Same.
1090 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1091 force_expr_to_var_cost): Same.
1092 * tree-mudflap.c (mf_xform_derefs_1): Same.
1093 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1095 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1097 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1098 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1101 2006-04-07 Jan Hubicka <jh@suse.cz>
1103 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1105 2006-04-07 Richard Guenther <rguenther@suse.de>
1107 PR tree-optimization/26135
1108 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1109 loads for store copy-prop.
1110 (copy_prop_visit_stmt): Likewise.
1112 2006-04-05 Robert Millan <robertmh@gnu.org>
1114 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1115 being overriden in config/k*bsd-gnu.h.
1116 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1118 * gcc/config/knetbsd-gnu.h: Ditto.
1120 2006-04-06 Jan Hubicka <jh@suse.cz>
1124 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1127 2006-04-06 Mike Stump <mrs@apple.com>
1129 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1130 for HAVE_nonlocal_goto to be consistent.
1131 (expand_builtin_nonlocal_goto): Likewise.
1132 (expand_builtin_strcmp): Use #ifdef instead of #if
1133 for HAVE_cmpstrnsi to be consistent.
1135 2006-04-05 DJ Delorie <dj@redhat.com>
1137 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1140 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1142 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1143 got-relative addressing for anything but SImode.
1145 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1146 even if the calling function doesn't modify them.
1148 2006-04-05 Richard Guenther <rguenther@suse.de>
1150 PR tree-optimization/26919
1151 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1152 to cgraph_estimate_size_after_inlining.
1154 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1156 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1158 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1160 PR tree-optimization/26996
1161 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1162 VECTOR_TYPE variables.
1164 2006-04-05 Richard Guenther <rguenther@suse.de>
1166 PR tree-optimization/26763
1167 * fold-const.c (fold_comparison): Move folding of
1168 PTR + CST CMP PTR + CST ...
1169 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1171 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1173 * doc/install.texi (Prerequisites): Refine some wording on
1174 bootstrapping and ksh.
1175 Move the version numbers of DejaGnu here from the testing section
1176 and fix casing of names.
1177 Fix markup and clarify wording for autogen requirements.
1178 Refer to GCJ instead of just java.
1179 Refer to SVN instead of CVS.
1180 Describe diffutils as useful instead of necessary.
1181 (Downloading the source): Refer to SVN instead of CVS.
1182 Adjust a link to our web site accordingly.
1183 (Configuration): Fix casing of Bison.
1184 (Building): Refer to SVN instead of CVS.
1185 Fix a sentence on the use of Bison and remove duplicate (and
1186 incorrect) version number of Bison requirement.
1187 Remove one redundant list of packages needed for building.
1188 (Specific): Avoid reference to CVS.
1190 2006-04-04 Eric Christopher <echristo@apple.com>
1192 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1193 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1194 (rs6000_handle_struct_attribute): New.
1195 (rs6000_ms_bitfield_layout_p): Ditto.
1197 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1199 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1200 NULL for dso parameter to atexit_common.
1202 2006-04-04 Eric Christopher <echristo@apple.com>
1204 * config/i386/i386.c (machopic_output_stub): Output \t
1205 between instructions and operands.
1207 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1209 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1210 satisfies_constraint_[IL] to explicit tests on value.
1212 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1214 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1215 set_nb_iterations_in_loop): Use build_int_cst instead of
1217 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1218 build_int_cst instead of convert.
1220 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1222 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1223 new value 2 for incoming.
1224 * function.c (expand_function_start): Call struct_value_rtx
1226 * config/sparc/sparc.md: Comment updated_return.
1227 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1228 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1229 struct return if sparc_std_struct_return and incoming is 2.
1230 (print_operand): Do not adjust return if
1231 sparc_std_struct_return.
1233 2006-04-04 Roger Sayle <roger@eyesopen.com>
1235 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1236 convert in the middle-end.
1237 * expr.c (store_expr, store_constructor, get_inner_reference,
1238 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1240 * tree.c (build_range_type): Likewise.
1242 2006-04-04 Tom Tromey <tromey@redhat.com>
1244 * doc/install.texi (Prerequisites): Mention jar.
1246 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1248 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1251 2006-04-04 Matthias Klose <doko@debian.org>
1253 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1255 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1257 * doc/extend.texi (Function Attributes): Rewrite visibility
1258 attribute documentation.
1259 * doc/invoke.texi (C++ Dialect Options): Rewrite
1260 -fvisibility-inlines-hidden documentation to describe something
1261 entirely different, although in practise compatible.
1262 (Code Gen Options): Warn about system headers in -fvisibiltity=
1265 * doc/extend.texi (Other Builtins): Document that
1266 __builtin_nan is a compile-time constant only when its argument
1269 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1271 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1272 trying to remove TRUNCATE check if all bits outside the new mode
1273 are identical to the sign bit.
1275 2006-04-03 Jeff Law <law@redhat.com>
1277 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1278 and operand scanning in some common cases.
1280 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1281 Dale Johannesen <dalej@apple.com>
1284 * regclass.c (struct reg_pref): Update documentation.
1285 (regclass): Set prefclass to NO_REGS if memory is the best option.
1286 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1287 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1288 into account. For non-registers, equate an empty preferred
1289 reload class to a `!' in the constraint; move the if clause to
1290 do so after those that reject the insn.
1291 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1293 (find_dummy_reload): Likewise.
1294 * doc/tm.texi (Register Classes): Document what it means
1295 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1296 * config/i386/i386.c (ix86_preferred_reload_class): Force
1297 using SSE registers (and return NO_REGS for floating-point
1298 constants) if math is done with SSE.
1299 (ix86_preferred_output_reload_class): New.
1300 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1301 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1302 * config/i386/i386.md: Remove # register preferences.
1304 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1307 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1308 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1309 the type of nb_iter.
1310 (instantiate_parameters_1): Convert the operands before calling
1311 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1312 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1314 2006-04-02 Roger Sayle <roger@eyesopen.com>
1316 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1317 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1319 * dojump.c (do_jump): Likewise.
1320 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1321 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1322 gimplify_boolean_expr): Likewise.
1323 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1324 * varasm.c (array_size_for_constructor): Likewise.
1325 * tree-object-size.c (compute_object_offset): Likewise.
1327 2006-04-02 Roger Sayle <roger@eyesopen.com>
1330 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1331 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1333 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1335 PR tree-optimization/26939
1336 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1338 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1340 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1341 at_stmt. Convert the type of operands before calling
1342 build_polynomial_chrec.
1343 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1345 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1346 (instantiate_parameters_1): Convert the type of operands before calling
1347 build_polynomial_chrec.
1348 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1349 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1350 reset_evolution_in_loop): Insert asserts to check the types of the
1352 (chrec_type): Moved...
1353 (eq_evolutions_p): Use operand_equal_p.
1354 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1355 the types of the operands.
1356 (chrec_type): ...here.
1357 * tree-data-ref.c (create_data_ref): Convert the operands before
1358 calling chrec_replace_initial_condition.
1359 (same_access_functions, analyze_subscript_affine_affine,
1360 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1361 (compute_subscript_distance, analyze_ziv_subscript,
1362 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1363 analyze_miv_subscript): Convert the operands before calling
1364 chrec_fold_minus or chrec_fold_plus.
1366 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1368 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1369 the dependence_relations vector.
1370 (compute_data_dependences_for_loop): Adjust call to
1371 compute_all_dependences.
1373 2006-04-01 Roger Sayle <roger@eyesopen.com>
1374 Richard Henderson <rth@redhat.com>
1376 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1377 gimple_boolify on the condition before calling gimplify_expr.
1379 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1381 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1382 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1383 the frame size. Update to use the new macros.
1384 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1385 * config/xtensa/ieee754-df.S: Likewise.
1387 2006-03-31 Richard Henderson <rth@redhat.com>
1389 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1390 (make_edges): ... here. Control fallthru creation with a local
1391 variable. Do not play with fake edges.
1392 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1393 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1396 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1398 * dwarf2.h (DW64_CIE_ID): Define.
1399 * dwarf2out.c (DWARF_CIE_ID): Define.
1400 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1401 length header. Use DWARF_CIE_ID.
1402 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1403 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1405 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1407 * config/sh/linux-atomic.asm: New file.
1408 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1410 2006-03-31 DJ Delorie <dj@redhat.com>
1412 * config/m32c/cond.md: Set condition flags properly throughout.
1413 * config/m32c/minmax.md: Likewise.
1414 * config/m32c/prologue.md: Likewise.
1415 * config/m32c/bitops.md: Likewise.
1416 * config/m32c/muldiv.md: Likewise.
1417 * config/m32c/mov.md: Likewise.
1418 * config/m32c/addsub.md: Likewise.
1419 * config/m32c/m32c.md: Likewise.
1420 * config/m32c/jump.md: Likewise.
1421 * config/m32c/shift.md: Likewise.
1423 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1424 conditionally output the pattern for this.
1425 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1426 (m32c_compare_redundant): New.
1427 (m32c_output_compare): New.
1428 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1430 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1431 dest, not src. Allow other 4-byte modes.
1433 2006-03-30 Denis Chertykov <denisc@overta.ru>
1435 * doc/md.texi: Refer to avr/constraints.md instead of
1438 2006-03-30 Roger Sayle <roger@eyesopen.com>
1440 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1441 signed vs. unsigned comparison failures on some hosts.
1443 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1446 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1447 change to FLOAT_REGS.
1449 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1450 (rs6000_override_options): Use it.
1451 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1452 only for -mabi=spe/no-spe and -mabi=altivec.
1454 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1456 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1459 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1461 * Makefile.in: Rename docdir to gcc_docdir.
1463 2006-03-30 Roger Sayle <roger@eyesopen.com>
1466 * expr.c (emit_group_store): Optimize group stores into a pseudo
1467 register by using a paradoxical subreg to initialize the destination
1468 if the first or last member of the group specifies a "low part".
1470 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1473 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1474 * target.h (struct gcc_target.speculate_insn): Change type of the
1475 second parameter to 'int'.
1476 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1477 the second operand of the DEPS_LIST.
1478 (copy_DEPS_LIST_list): Update reference to the second operand of the
1480 * rtl.h (alloc_DEPS_LIST): Update signature.
1481 * sched-int.h (ds_t): Change typedef to 'int'.
1482 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1484 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1486 * haifa-sched.c (try_ready): Change condition to restore
1487 non-speculative pattern of the instruction.
1488 (process_insn_depend_be_in_spec): Code to keep probability of the
1489 speculative dependence non-decreasing.
1491 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1493 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1494 (single_move_for_movmem): ... this. Also change all uses.
1495 (bfin_expand_strmov): Renamed to...
1496 (bfin_expand_movmem): ... this. Also change all uses.
1497 * config/bfin/bfin.md (movstrsi): Renamed to...
1498 (movstrsi): ...this.
1500 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1502 PR tree-optimization/26830
1504 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1505 (copy_prop_visit_stmt): Remove write-only variable ann.
1506 (init_copy_prop): Check variable loop depth here. Do not simulate
1507 memory-tag and virtual operand PHIs except for store copy prop.
1509 2006-03-30 Richard Guenther <rguenther@suse.de>
1511 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1512 variants with double arguments.
1514 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1516 * genpreds.c (write_tm_constrs_h): Delete variable p.
1517 * genconditions.c (write_header): Add tm-constrs.h to included
1519 * genpeep.c (main): Add toplev.h to included headers.
1520 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1521 (build/genpeep.o): Add toplev.h dependency.
1522 * config/rs6000/constraints.md: Add "W" constraint.
1524 2006-03-29 Roger Sayle <roger@eyesopen.com>
1526 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1527 sizes by correctly testing whether the size fits a host integer.
1528 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1529 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1530 SImode range for the default sizetype and bitsizetype.
1532 2006-03-29 Roger Sayle <roger@eyesopen.com>
1534 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1535 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1536 quickly if the argument is already of the correct type.
1537 Call fold_build1 instead of build1. Tidy up blank lines.
1539 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1541 * genemit.c (main): Add tm-constrs.h to included headers.
1542 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1543 * genpeep.c (main): Add tm-constrs.h to included headers.
1544 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1545 (write_tm_constrs_h): this and write complete file.
1546 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1547 (write_insn_preds_c): Add tm-constrs.h to included headers.
1548 (gen_constrs): New variable.
1549 (parse_option): Parse "-c".
1550 (main): Invoke write_tm_constrs_h.
1551 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1552 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1553 (object_out_file): Add tm-constrs.h dependency.
1554 (insn-emit.o): Same.
1555 (insn-output.o): Same.
1556 (insn-peep.o): Same.
1557 (insn-preds.o): Same.
1558 (insn-recog.o): Same.
1559 (tm-constsr.h): New target.
1560 (s-constrs-h): New target.
1562 * config/rs6000/constraints.md: New file.
1563 * config/rs6000/rs6000.c: Include tm-constrs.h.
1564 (num_insn_constant_wide): Convert to satisfies_constraint.
1565 (rs6000_rtx_costs): Convert to satisfies_constraint.
1566 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1567 (CONST_OK_FOR_LETTER_P): Delete.
1568 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1569 (EXTRA_CONSTRAINT): Delete.
1570 (EXTRA_MEMORY_CONSTRAINT): Delete.
1571 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1572 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1573 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1574 satisfies_constraint.
1576 * config/i386/i386.c: Include tm-constrs.h.
1578 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1580 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1581 * tree-data-ref.c (find_data_references_in_loop,
1582 compute_data_dependences_for_loop): Use pointers to VEC.
1583 (analyze_all_data_dependences): Adjust calls.
1584 * tree-data-ref.h (find_data_references_in_loop,
1585 compute_data_dependences_for_loop): Adjust declarations.
1586 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1587 compute_data_dependences_for_loop.
1589 2006-03-29 Paul Brook <paul@codesourcery.com>
1591 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1594 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1596 PR tree-optimization/26859
1597 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1599 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1600 for the step after fold_convert.
1602 2006-03-29 Paul Brook <paul@codesourcery.com>
1604 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1605 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1607 2006-03-29 Paul Brook <paul@codesourcery.com>
1610 * targhooks.c (default_narrow_bitfield): New fuction.
1611 * targhooks.h (default_narrow_bitfield): add prototype.
1612 * target.h (gcc_target): Add narrow_volatile_bitfield.
1613 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1614 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1615 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1616 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1618 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1620 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1622 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1623 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1624 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1625 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1626 (s390_function_arg_float): Allow SDmode and DDmode values to be
1627 passed in floating point registers.
1628 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1629 check with SCALAR_FLOAT_MODE_P.
1630 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1632 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1634 PR tree-optimization/25985
1635 * tree-ssa-loop-niter.c (number_of_iterations_le,
1636 number_of_iterations_ne): Make comments more precise.
1637 (number_of_iterations_cond): Add only_exit argument. Use the
1638 fact that signed variables do not overflow only when only_exit
1640 (loop_only_exit_p): New.
1641 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1642 number_of_iterations_cond.
1644 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1646 PR tree-optimization/26643
1647 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1650 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1652 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1653 (divsi3_i4_int): Likewise.
1655 2006-03-28 Roger Sayle <roger@eyesopen.com>
1657 * expr.c (emit_group_store): Only create a new pseudo reg if the
1658 quantity it needs to hold isn't already a suitable pseudo.
1660 2006-03-28 Jeff Law <law@redhat.com>
1662 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1663 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1665 2006-03-28 Roger Sayle <roger@eyesopen.com>
1667 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1668 the equivalent ~X & Y, and the symmetry related transformations.
1669 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1670 ~X & Y, and symmetry related transforms.
1672 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1674 Revert my 2006-03-27 patches.
1676 2006-03-28 Roger Sayle <roger@eyesopen.com>
1678 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1679 ~(T1)X, when T1 and T2 are integer types of the same precision
1680 and (T2)X isn't an extension.
1682 2006-03-28 Jeff Law <law@redhat.com>
1684 PR tree-optimization/26796
1685 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1686 need EH edge cleanups rather than purging them immediately.
1687 (eliminate_degenerate_phis): Handle queued EH cleanups.
1689 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1691 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1694 2006-03-27 Roger Sayle <roger@eyesopen.com>
1697 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1698 cast BIT_NOT_EXPR operand to the correct type.
1700 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1702 * tree-loop-linear.c: Don't include varray.h.
1703 (gather_interchange_stats, try_interchange_loops,
1704 linear_transform_loops): Use VEC instead of VARRAY.
1705 * lambda-mat.c: Don't include varray.h.
1706 * tree-chrec.c: Same.
1707 * lambda-trans.c: Same.
1708 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1709 VEC instead of VARRAY.
1710 * tree-vectorizer.h: Idem.
1711 * tree-data-ref.c (dump_data_references,
1712 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1713 initialize_data_dependence_relation, finalize_ddr_dependent,
1714 compute_all_dependences, find_data_references_in_loop,
1715 compute_data_dependences_for_loop, analyze_all_data_dependences,
1716 free_dependence_relation, free_dependence_relations,
1717 free_data_refs): Idem.
1718 * tree-data-ref.h (data_reference_p, subscript_p): New.
1719 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1720 VEC instead of VARRAY.
1721 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1722 (find_data_references_in_loop, compute_data_dependences_for_loop,
1723 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1724 dump_data_dependence_relations, free_dependence_relations,
1725 free_data_refs): Adjust declaration.
1726 (lambda_transform_legal_p): Move declaration here...
1727 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1728 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1729 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1730 vect_analyze_data_refs): Use VEC instead of VARRAY.
1731 * lambda.h (lambda_transform_legal_p): ...from here.
1732 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1733 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1734 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1735 tree-chrec.o): Don't depend on VARRAY_H.
1737 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1739 * rtl.def (Copyright): Update date.
1740 (DEPS_LIST): Change type of the second operand to 'int'.
1741 * target.h (Copyright): Update date.
1742 (struct gcc_target.speculate_insn): Change type of the second parameter
1744 * lists.c (Copyright): Update date.
1745 (alloc_DEPS_LIST): Change signature. Update reference to the second
1746 operand of the DEPS_LIST.
1747 (copy_DEPS_LIST_list): Update reference to the second operand of the
1749 * rtl.h (Copyright): Update date.
1750 (alloc_DEPS_LIST): Update signature.
1751 * sched-int.h (Copyright): Update date.
1752 (ds_t): Change typedef to 'int'.
1753 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1755 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1757 * haifa-sched.c (Copyright): Update date.
1758 (try_ready): Change condition to restore non-speculative pattern
1760 (process_insn_depend_be_in_spec): Code to keep probability of the
1761 speculative dependence non-decreasing.
1763 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1765 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1766 shut up the compiler.
1768 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1770 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1771 to use lib prefix for target.
1772 ($(T)libic_invalidate_array_4-200.a): Likewise.
1773 ($(T)libic_invalidate_array_4a.a): Likewise.
1775 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1776 J"orn Rennecke <joern.rennecke@st.com>
1778 * superh.opt: New file.
1779 * sh.c (boardtype, osruntime): Remove.
1780 * superh.h (SUBTARGET_OPTIONS): Remove.
1781 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1783 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1784 arguments with ^ and/or [].
1786 * config.gcc (sh-*-*): Add quoting to account for quirk of
1788 Replace == with = in enable_incomplete_targets test.
1790 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1791 with MASK_LITTLE_ENDIAN.
1793 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1794 * config/sh/sh.opt: Added to some comments.
1795 * config/sh/superh.h: Removed some chaff.
1797 * config/sh/sh.opt: Add m4-[1234]00* options.
1798 * config/sh/sh.c (sh_handle_option): Likewise.
1799 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1800 (ic_invalidate_array_4-100.o): New rule.
1801 ($(T)libic_invalidate_array_4-100.a): Likewise.
1802 (ic_invalidate_array_4-200.o): Likewise.
1803 ($(T)libic_invalidate_array_4-200.a): Likewise.
1804 (ic_invalidate_array_4a.o): Likewise.
1805 ($(T)libic_invalidate_array_4a.a): Likewise.
1806 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1807 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1809 * config/sh/crt1.asm: Merged in profiling code.
1810 * config/sh/superh.h (STARTFILE_SPEC): Override.
1811 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1812 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1813 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1815 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1816 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1817 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1819 * sh.opt (mpretend-cmove): New option.
1820 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1821 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1822 (movsicc): Add TARGET_PRETEND_CMOVE code.
1824 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1826 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1827 s390_class_max_nregs): New function prototypes.
1828 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1829 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1830 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1831 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1833 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1835 * dwarf2out.c (add_location_or_const_value_attribute): Call
1836 tree_add_const_value_attribute if nothing else works.
1837 (reference_to_unused): New.
1838 (rtl_for_decl_init): Use reference_to_unused to decide whether
1839 to output an initializer.
1841 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1844 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1845 peephole removing spe frob_di_df_2.
1847 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1849 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1850 (subscript_dependence_tester_1): Declared.
1851 (print_dir_vectors, print_dist_vectors): New.
1852 (debug_data_dependence_relation): New.
1853 (dump_data_dependence_relation): Print more details.
1854 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1855 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1856 (save_dist_v, save_dir_v, add_outer_distances,
1857 build_classic_dist_vector_1): New.
1858 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1859 Don't test for lambda_vector_lexico_pos.
1860 (same_access_functions, add_multivariate_self_dist,
1861 add_other_self_distances, dir_from_dist): New.
1862 (build_classic_dir_vector): Replace implementation almost identical to
1863 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1865 (subscript_dependence_tester_1): New.
1866 (subscript_dependence_tester): Handle the lexicographically negative
1867 distance vectors by recomputing the dependence relation.
1868 (compute_affine_dependence): Remove parameter loop_nest_depth.
1869 (compute_self_dependence): Don't call compute_subscript_distance.
1870 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1871 Add a parameter for the loop_nest.
1872 (find_loop_nest_1, find_loop_nest): New.
1873 (compute_data_dependences_for_loop): Compute the loop nest, and give
1874 up if the nest is not well formed.
1875 * tree-data-ref.h (loop_p): New.
1876 (struct data_dependence_relation): Replace size_vect field with
1877 loop_nest, a vec of loops.
1878 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1879 (DDR_LOOP_NEST): New.
1880 (print_dir_vectors, print_dist_vectors,
1881 debug_data_dependence_relation): Declared.
1882 (index_in_loop_nest): New.
1883 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1884 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1887 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1889 * simplify-rtx.c (simplify_relational_operation): Call
1890 simplify_relational_operation_1 even if mode is VOIDmode.
1892 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1894 PR tree-optimization/26804
1895 * tree.h (DECL_CALL_CLOBBERED): New macro.
1896 (tree_decl_common): Add call_clobbered_flag.
1897 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1898 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1899 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1900 (mark_non_addressable): Ditto.
1901 * tree-ssa.c (verify_call_clobbered): New function.
1902 (verify_alias_info): Use it.
1903 * tree-pass.h (pass_reset_cc_flags): New prototype.
1904 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1905 (reset_cc_flags): New function.
1906 * passes.c (init_optimization_passes): Call reset_cc_flags after
1907 initializing referenced_vars.
1909 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1910 Roger Sayle <roger@eyesopen.com>
1913 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1914 to 1.0 for non-real operands. Implement A / A optimization for
1917 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1919 * config/i386/i386.c (size_cost): Correct the comment for
1920 cost of storing fp registers.
1921 (i386_cost): Likewise.
1922 (i486_cost): Likewise.
1923 (pentium_cost): Likewise.
1924 (pentiumpro_cost): Likewise.
1925 (k6_cost): Likewise.
1926 (athlon_cost): Likewise.
1927 (k8_cost): Likewise.
1928 (pentium4_cost): Likewise.
1929 (nocona_cost): Likewise.
1930 (generic64_cost): Likewise.
1931 (generic32_cost): Likewise.
1933 2006-03-24 Denis Chertykov <denisc@overta.ru>
1935 * config/avr/avr-protos.h (extra_constraint): Delete.
1936 (extra_constraint_Q): New declaration.
1937 * config/avr/constraints.md: New file.
1938 * config/avr/avr.md: Include it.
1939 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1940 (TMP_REGNO, ZERO_REGNO): Likewise.
1941 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1942 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1943 (extra_constraint): Delete.
1944 (extra_constraint_Q): Test for memory constraint 'Q'.
1945 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1946 (REG_CLASS_FROM_LETTER): Delete.
1947 (CONST_OK_FOR_LETTER_P): Delete.
1948 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1949 (EXTRA_CONSTRAINT): Delete.
1950 (TMP_REGNO): Delete.
1951 (ZERO_REGNO): Delete.
1953 2006-03-24 Jeff Law <law@redhat.com>
1955 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1956 directly. Call mark_new_vars_to_rename slightly earlier.
1958 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1960 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1962 (gen_compile_unit_die): Use new language types for Objective-C and
1964 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1965 DW_LANG_C_plus_plus.
1968 * config/t-darwin (crt3.o): Work around bug 26840.
1969 * config/darwin-crt3.c: Rewrite.
1970 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1972 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1974 * doc/invoke.texi: Document -femit-class-debug-always
1975 * common.opt: Add -femit-class-debug-always.
1977 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1979 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1980 index and base register.
1981 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1982 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1983 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1984 REGNO_OK_FOR_INDEX_P.
1985 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1987 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1988 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1989 REG_OK_FOR_BASE_P): Definitions removed.
1991 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1994 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1995 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1996 set yet or weren't marked as local yet.
1998 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2000 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2003 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2005 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2006 (rs6000_legitimate_small_data_p): Delete.
2007 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2008 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2009 and make static. Add forward declaration. Update uses.
2010 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2011 of offsettable_memref_p.
2012 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2013 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2015 2006-03-24 Jeff Law <law@redhat.com>
2017 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2018 around bug in immediate-use iterator.
2020 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2023 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2024 or __LITTLE_ENDIAN__.
2026 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2028 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2029 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2030 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2031 * config/sh/sh.opt (mdiv=): Amend description.
2032 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2033 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2034 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2035 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2036 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2037 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2038 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2039 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2040 TARGET_DIVIDE_CALL_FP.
2042 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2044 * haifa-sched.c (choose_ready): Fix type of the local variable.
2045 Move local variables. Add comment.
2046 (check_reg_live): Change signature. Make callable from debugger.
2047 * sched-int.h (check_reg_live): Update signature.
2048 * sched-ebb.c (check_reg_live): Update parameters.
2049 * sched-rgn.c (check_reg_live): Ditto.
2050 (region_head_or_leaf_p): Check pointer before dereferencing.
2051 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2052 before reload on optimization levels below 1.
2054 2006-03-23 Richard Henderson <rth@redhat.com>
2056 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2060 * config/alpha/predicates.md (local_symbolic_operand): Reject
2063 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2066 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2067 expressions which have overflowed constants.
2069 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2071 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2073 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2075 * cfgloopmanip.c (create_loop_notes): Removed.
2076 * final.c (final_scan_insn): Do not handle loop notes.
2077 * jump.c (squeeze_notes): Ditto.
2078 * cfglayout.c (skip_insns_after_block,
2079 duplicate_insn_chain): Ditto.
2080 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2082 * cfgloop.h (create_loop_notes): Declaration removed.
2084 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2086 * varasm.c (output_constant_pool): Restore fnname and fndecl
2088 (assemble_start_function): Adjust call accordingly.
2089 (assemble_end_function): Likewise.
2091 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2094 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2097 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2099 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2102 * system.h (ICE_EXIT_CODE): New macro.
2103 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2104 (diagnostic_action_after_output): Likewise.
2105 * gcc.c (fatal_ice): New function.
2106 (execute): Use it instead of fatal.
2107 (fancy_abort): Likewise.
2108 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2110 2006-03-22 Jeff Law <law@redhat.com>
2112 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2113 iv_analyze_result returning false.
2115 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2117 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2119 2006-03-22 Richard Henderson <rth@redhat.com>
2122 * except.c (duplicate_eh_regions_0): New.
2123 (duplicate_eh_region_1): Duplicate the children of the node as
2124 well as the node itself. Link them up properly.
2125 (duplicate_eh_region_2): Merge into ...
2126 (duplicate_eh_regions): ... here. Take copy_region argument, and
2127 copy only a sub-tree if asked. Simplify copying and fixup.
2128 (eh_region_outer_p): New.
2129 * except.h (duplicate_eh_regions): Update decl.
2130 (eh_region_outer_p): Declare.
2131 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2132 (lower_omp_master): Likewise.
2133 (lower_omp_ordered): Likewise.
2134 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2135 (move_stmt_r): Use it to remap labels. Handle recursion vs
2136 remap_decls_p properly.
2137 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2138 (find_outermost_region_in_block): New.
2139 (new_label_mapper): New.
2140 (move_sese_region_to_fn): Copy eh information to the new function
2142 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2144 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2147 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2149 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2150 into shared libraries.
2152 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2154 * doc/md.texi: Refer to i386/constraints.md instead of
2156 * config/i386/constraints.md: New file, extracted from...
2157 * config/i386/predicates.md: ...here.
2158 * config/i386/i386.md: Include constraints.md.
2160 2006-03-21 Jason Merrill <jason@redhat.com>
2162 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2165 * expr.c (init_block_move_fn): Force default visibility.
2166 (init_block_clear_fn): Likewise.
2167 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2168 * targhooks.c (default_external_stack_protect_fail): Likewise.
2170 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2172 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2173 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2174 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2175 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2176 (loadgp): Use mips_current_loadgp_style.
2177 (loadgp_noshared): New pattern.
2178 (sibcall_internal): Use MIPS_CALL.
2179 (sibcall_value_internal): Likewise.
2180 (sibcall_value_multiple_internal): Likewise.
2181 (call_internal): Likewise.
2182 (call_value_internal): Likewise.
2183 (call_value_multiple_internal): Likewise.
2184 (call_split): Use MIPS_CALL and add an 'S' constraint.
2185 (call_value_split): Likewise.
2186 (call_value_multiple_split): Likewise.
2187 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2188 (-mshared): New option.
2189 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2190 (mips_current_loadgp_style): Declare.
2191 * config/mips/mips.c (mips_classify_symbol): Avoid using
2192 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2193 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2194 TARGET_ABSOLUTE_ABICALLS.
2195 (override_options): Adjust comments. Improve the warning that is
2196 issued when -mabicalls and -G are used together.
2197 (mips_file_start): Remove comment.
2198 (mips_current_loadgp_style): New function.
2199 (mips_gnu_local_gp): New variable.
2200 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2202 (mips_output_function_prologue): Use mips_current_laodgp_style.
2203 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2204 the cprestore instruction.
2205 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2206 live for TARGET_ABSOLUTE_ABICALLS.
2207 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2208 (ASM_SPEC): Pass down -mshared and -mno-shared.
2209 (MIPS_CALL): New macro.
2210 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2212 * doc/invoke.texi (-mabicalls): Update documentation.
2213 (-mshared): Document.
2215 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2217 * config/ia64/unwind-hpux.c: New file.
2218 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2220 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2223 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2225 2006-03-21 Jeff Law <law@redhat.com>
2227 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2228 type conversions of a VR_VARYING source to a wider type.
2230 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2232 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2233 tm_file on Solaris 10 and later.
2234 (sparc64-*-solaris2*): Likewise.
2235 (sparc-*-solaris2*): Likewise.
2236 * config/sol26.h: Rename to config/sol2-6.h.
2237 * config/sol2-10.h: New file.
2239 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2242 * tree-ssa-pre.c (create_component_ref_by_pieces):
2245 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2248 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2249 return it immediately.
2251 2006-03-21 Michael Matz <matz@suse.de>
2253 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2255 (remove_arc, add_arc): Update num_out_arcs member.
2256 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2258 (cache_presence): New function.
2259 (compare_states_for_equiv): New function.
2260 (state_is_differed): Don't take number of outargs, adjust callers.
2261 Use new invariant for speeding up.
2262 (init_equiv_class): Create initial classes based on sorted
2264 (partition_equiv_class): Don't track out_arcs_num.
2265 (evaluate_equiv_classes): Call cache_presence on all states and
2268 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2270 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2271 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2272 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2273 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2275 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2276 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2277 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2278 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2279 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2281 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2282 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2283 (REGNO_REG_CLASS): ARGP is in PREGS.
2284 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2286 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2287 to deal with those addresses.
2288 * addresses.h: New file.
2289 * caller-save.c: Include "addresses.h".
2290 (init_caller_save): Use new base_reg_class function.
2291 * rtl-factoring.c: Include "addresses.h".
2292 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2293 * recog.c: Include "addresses.h".
2294 (preprocess_constraints): Use new base_reg_class function.
2295 * regrename.c: Include "addresses.h".
2296 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2297 functions. Keep track of a new var INDEX_CODE to compute valid
2299 (replace_oldest_value_addr): Likewise.
2300 (replace_oldest_value_mem): Use base_reg_class.
2301 * reload.c: Include "addresses.h".
2302 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2303 (find_reloads): Use new base_reg_class function.
2304 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2305 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2306 all callers and prototype changed.
2307 * reload1.c: Include "addresses.h".
2308 (maybe_fix_stack_asms): Use base_reg_class.
2309 * regclass.c: Include "addresses.h".
2310 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2311 (init_reg_autoinc): Use new base_reg_class function.
2312 (record_reg_classes): Likewise.
2313 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2314 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2315 Use new args to compute necessary class.
2317 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2318 regrename.o, rtl-factoring.o): Update dependencies.
2319 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2320 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2321 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2322 REG_OK_FOR_INDEX_P): Delete documentation.
2324 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2326 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2327 from V7 to V9 for Solaris 7 and above.
2329 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2331 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2332 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2333 argument pointers may not alias any other storage.
2334 * common.opt: Define option -fargument-noalias-anything.
2335 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2336 alias semantics is specified by flag_argument_noalias > 2.
2338 2006-03-20 Jeff Law <law@redhat.com>
2340 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2341 (pass_phi_only_cprop): Declare.
2342 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2344 * tree-ssa-dom.c (degenerate_phi_result): New function.
2345 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2346 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2347 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2348 (eliminate_degenerate_phis): Likewise.
2349 (pass_phi_only_cprop): New pass descriptor.
2350 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2351 support code. Callers updated.
2352 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2353 (store_copy_prop): Likewise.
2354 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2356 2006-03-20 Jason Merrill <jason@redhat.com>
2359 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2360 (push_visibility, pop_visibility): Likewise.
2361 * c-pragma.h: Declare them.
2363 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2365 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2367 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2368 parameter and use get_ebb_head_tail.
2369 (sh_md_init_global): Adjust uses of find_regmode_weight.
2371 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2373 * function.h (struct function) <x_tail_recursion_reentry>:
2374 Rename to x_stack_check_probe_note.
2375 (tail_recursion_reentry): Rename to stack_check_probe_note.
2376 * function.c: Replace tail_recursion_reentry with
2377 stack_check_probe_note everywhere.
2378 (expand_function_start): Only emit a note for
2379 stack_check_probe_note with -fstack-protect.
2380 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2382 * emit-rtl.c (remove_unnecessary_notes): Remove.
2383 (pass_remove_unnecessary_notes): Remove.
2384 * rtl.h (remove_unnecessary_notes): Remove prototype.
2385 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2386 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2387 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2389 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2392 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2393 (valid_in_set): Handle ARRAY_REF.
2394 Change "if min_variant or VH" to asserts.
2395 (create_component_ref_by_pieces): Handle ARRAY_REF.
2396 (create_expression_by_pieces): Likewise.
2397 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2399 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2401 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2402 is operand of switch, not str[0].
2404 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2406 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2407 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2409 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2411 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2412 end of insn_extra_address_constraint declaration.
2414 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2416 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2417 (no-sum-in-toc): Same.
2418 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2420 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2421 NO_FP_IN_TOC for -fPIC instead of mask.
2423 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2424 (BOOT_LDFLAGS): Delete.
2426 * config/rs6000/t-aix52: Same.
2428 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2429 (stmsi[345678]_power): New.
2431 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2433 * config/ia64/ia64.opt: Add empty line to end of file.
2435 2006-03-17 Richard Guenther <rguenther@suse.de>
2438 * builtins.c (get_pointer_alignment): For component style references
2439 adjust alignment to the component type alignment. Make sure
2440 to adjust alignment for component access of constants.
2442 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2444 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2447 2006-03-17 Paul Brook <paul@codesourcery.com>
2449 * doc/install.texi: Docuemnt --with-mode.
2450 * config.gcc: Add --with-mode for arm*-*-*.
2451 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2453 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2455 * sh.c (max_labelno_before_reorg): New variable.
2456 (sh_reorg): Initialize it.
2457 (find_barrier): Check max_labelno_before_reorg before using
2458 label_to_alignment. Take length of explicit alignment insns
2459 into account. When seeing a UNSPECV_CONST_END, return it.
2461 * sh.c (fixup_mova): Set mode of affected label to QImode.
2462 (untangle_mova): New function.
2463 (find_barrier): Use it. Check mode of label before decrementing
2465 (sh_reorg): Likewise.
2466 Set mode of all insns back to VOIDmode.
2468 * sh.c (MOVA_LABELREF): New macro.
2469 (mova_p, fixup_mova, sh_reorg): Use it.
2470 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2471 ADDR_DIFF_VEC matches mova.
2473 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2475 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2476 with ATTRIBUTE_UNUSED.
2478 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2480 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2481 pointer, instead of assuming it is possible to derive the
2482 correct args size from a call insn.
2484 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2486 * rtl.h (CONST_INT_P): Define.
2487 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2488 instead of GET_CODE(x) == CONST_INT.
2489 (vax_rtx_costs): Likewise.
2490 (vax_output_int_move): Likewise.
2491 (vax_output_int_add): Likewise.
2492 (legitimate_constant_address_p): Likewise.
2493 (index_term_p): Likewise.
2494 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2495 * config/vax/vax.md (and<mode>3): Likewise.
2496 (ashrsi3): Likewise.
2498 (movstricthi): Likewise.
2499 (movstrictqi): Likewise.
2500 (rotrsi3): Likewise.
2501 (five unnamed insns): Likewise.
2503 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2505 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2506 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2507 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2508 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2509 Pass to ASM_OUTPUT_DWARF_OFFSET.
2510 * dwarf2out.c (debug_frame_section): New.
2511 (output_call_frame_info): Use debug_frame_section. Pass it to
2512 dw2_asm_output_offset.
2513 (output_die): Pass appropriate section to dw2_asm_output_offset.
2514 (output_compilation_unit_header): Likewise.
2515 (output_pubnames): Likewise.
2516 (output_aranges): Likewise.
2517 (enum dw_val_class): Break dw_val_class_lbl_offset into
2518 dw_val_class_lineptr and dw_val_class_macptr.
2519 (add_AT_lbl_offset): Delete.
2520 (add_AT_lineptr): New.
2521 (add_AT_macptr): New.
2522 (AT_lbl): Expect a lineptr or macptr.
2523 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2524 (attr_checksum): Likewise.
2525 (same_dw_val_p): Likewise.
2526 (size_of_die): Likewise.
2527 (value_format): Likewise.
2528 (output_die): Likewise.
2529 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2531 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2532 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2533 * config/darwin-protos.h (darwin_file_start): New.
2534 (darwin_asm_output_dwarf_offset): New.
2535 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2536 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2538 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2539 if not EH section; simplify.
2540 (darwin_file_start): New.
2541 (darwin_asm_output_dwarf_offset): New.
2542 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2544 (DEBUG_INFO_SECTION): Likewise.
2545 (DEBUG_ABBREV_SECTION): Likewise.
2546 (DEBUG_ARANGES_SECTION): Likewise.
2547 (DEBUG_MACINFO_SECTION): Likewise.
2548 (DEBUG_LINE_SECTION): Likewise.
2549 (DEBUG_LOC_SECTION): Likewise.
2550 (DEBUG_PUBNAMES_SECTION): Likewise.
2551 (DEBUG_STR_SECTION): Likewise.
2552 (DEBUG_RANGES_SECTION): Likewise.
2553 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2554 (ASM_OUTPUT_DWARF_OFFSET): New.
2556 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2558 * config.gcc (tm_defines): Always add to previous value rather
2561 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2563 * config/mips/predicates.md (splittable_const_int_operand): New,
2564 split from move_operand.
2565 (splittable_symbolic_operand): New.
2566 (move_operand): Add commentary. Use splittable_const_int_operand.
2567 Inline mips_atomic_symbolic_constant_p.
2568 * config/mips/mips.md: Add combine splitters for handling moves
2569 of splittable_const_int_operands and splittable_symbolic_operands.
2570 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2571 (mips_split_symbol): Declare.
2572 (mips_move_integer): Declare.
2573 * config/mips/mips.c (mips_split_p): Make global.
2574 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2575 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2576 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2577 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2578 (mips_offset_within_object_p): Handle block symbols.
2579 (mips_atomic_symbolic_constant_p): Delete.
2580 (mips_cannot_force_const_mem): Return false for constants that
2581 mips_legitimize_move can handle.
2582 (mips_use_blocks_for_constant_p): New function.
2583 (mips_split_symbol): Make global.
2584 (mips_move_integer): Likewise. Add a temporary register argument.
2585 (mips_legitimize_const_move): Use splittable_const_int_operand and
2586 splittable_symbolic_operand.
2587 (mips_use_anchors_for_symbol_p): New function.
2588 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2589 (mips_split_p): Declare.
2591 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2593 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2594 (mips*-*-linux*): Likewise.
2596 2006-03-16 Roger Sayle <roger@eyesopen.com>
2597 Daniel Speyer <dspeyer@wam.umd.edu>
2600 * tree-dump.c (dump_real): New function.
2601 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2602 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2603 (tree-dump.o): Add $(REAL_H) to the dependencies.
2605 2006-03-16 Roger Sayle <roger@eyesopen.com>
2608 * real.c (real_from_string): If the mantissa is zero, don't bother
2609 parsing the exponent as the result should always be zero.
2611 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2613 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2615 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2617 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2618 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2619 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2620 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2621 ia64_sched_finish_global): New static functions to implement
2622 hooks from gcc_target.sched.
2623 (spec_check_no, max_uid, pending_data_specs): New static variables.
2624 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2625 ia64_spec_check_src_p): New static functions.
2626 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2627 (TARGET_SCHED_ADJUST_COST): Removed.
2628 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2629 TARGET_SCHED_FINISH_GLOBAL, 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): New macros.
2634 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2635 Fixed to handle speculation checks.
2636 (rtx_needs_barrier): Fixed to handle speculative loads and
2638 (ia64_variable_issue): Added code to count speculative loads and their
2640 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2642 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2644 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2646 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2647 (ia64_reorg): Reset stops_p to NULL after it is freed.
2648 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2649 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2650 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2652 (data_speculative, control_speculative, check_load): New attributes.
2653 (mov<mode>_advanced, mov<mode>_speculative,
2654 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2655 zero_extend<mode>di2_speculative,
2656 zero_extend<mode>di2_speculative_advanced): New patterns for
2657 data and control speculative loads.
2658 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2660 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2661 New pattern for data and control speculation checks.
2662 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2663 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2664 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2665 Auxiliary definitions for the patterns.
2666 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2667 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2669 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2671 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2672 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2673 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2674 New resource constraints.
2675 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2677 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2678 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2679 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2680 msched-in-control-spec, msched-ldc, msched-control-ldc,
2681 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2682 msched-prefer-non-control-spec-insns,
2683 msched-count-spec-in-critical-path): New flags to tune speculative
2685 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2686 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2687 msched-in-control-spec, msched-ldc, msched-control-ldc,
2688 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2689 msched-prefer-non-control-spec-insns,
2690 msched-count-spec-in-critical-path): Document new flags.
2692 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2694 * target.h (struct spec_info_def): New opaque declaration.
2695 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2696 speculate_insn, needs_block_p, gen_check,
2697 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2698 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2699 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2700 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2701 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2702 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2704 (TARGET_SCHED): Use new macros.
2705 * rtl.h (copy_DEPS_LIST_list): New prototype.
2706 * sched-int.h (struct sched_info): Change signature of new_ready field,
2707 adjust all initializations. New fields: add_remove_insn,
2708 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2709 region_head_or_leaf_p.
2710 (struct spec_info_def): New structure declaration.
2711 (spec_info_t): New typedef.
2712 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2713 recovery_block, orig_pat.
2714 (glat_start, glat_end): New variables declaraions.
2715 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2717 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2718 DETACH_LIFE_INFO, USE_GLAT.
2719 (enum SPEC_SCHED_FLAGS): New enumeration.
2720 (NOTE_NOTE_BB_P): New macro.
2721 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2722 attach_life_info, debug_spec_status, check_reg_live): New functions.
2723 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2724 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2726 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2727 * ddg.c (get_block_head_tail): Adjust all uses.
2728 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2729 (sms_sched_info): Initialize new fields.
2730 (contributes_to_priority): Removed.
2731 * haifa-sched.c (params.h): New include.
2732 (get_block_head_tail): Adjust all uses.
2733 (ISSUE_POINTS): New macro.
2734 (glat_start, glat_end): New global variables.
2735 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2736 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2737 old_last_basic_block, before_recovery, current_sched_info_var,
2738 rgn_n_insns, luid): New static variables.
2739 (insn_cost1): New function. Move logic from insn_cost to here.
2740 (find_insn_reg_weight1): New function. Move logic from
2741 find_insn_reg_weight to here.
2742 (reemit_notes, move_insn, max_issue): Change signature.
2743 (move_insn1): Removed.
2744 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2745 extend_bb): New static functions to support extension of scheduler's
2747 (generate_recovery_code, process_insn_depend_be_in_spec,
2748 begin_speculative_block, add_to_speculative_block,
2749 init_before_recovery, create_recovery_block, create_check_block_twin,
2750 fix_recovery_deps): New static functions to support
2751 generation of recovery code.
2752 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2753 restore_bb_notes, move_block_after_check, move_succs): New static
2754 functions to support ebb scheduling.
2755 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2756 functions to support handling of register live information.
2757 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2758 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2759 add_jump_dependencies): New static functions.
2760 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2761 consistancy checking.
2762 (debug_spec_status): New function to call from debugger.
2763 (priority): Added code to handle speculation checks.
2764 (rank_for_schedule): Added code to distinguish speculative instructions.
2765 (schedule_insn): Added code to handle speculation checks.
2766 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2767 Fixed to handle ebbs.
2768 (move_insn): Added code to handle ebb scheduling.
2769 (max_issue): Added code to use ISSUE_POINTS of instructions.
2770 (choose_ready): Added code to choose between speculative and
2771 non-speculative instructions.
2772 (schedule_block): Added code to handle ebb scheduling and scheduling of
2773 speculative instructions.
2774 (sched_init): Initialize new variables.
2775 (sched_finish): Free new variables. Print statistics.
2776 (try_ready): Added code to handle speculative instructions.
2777 * lists.c (copy_DEPS_LIST_list): New function.
2778 * sched-deps.c (extend_dependency_caches): New function. Move logic
2779 from create_dependency_caches to here.
2780 (get_dep_weak, ds_merge): Make global.
2781 * genattr.c (main): Code to output prototype for
2782 dfa_clear_single_insn_cache.
2783 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2784 (output_dfa_clean_insn_cache_func): Code to output
2785 dfa_clear_single_insn_cache function.
2786 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2788 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2790 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2791 New static variables.
2792 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2793 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2795 (ebb_sched_info): Initialize new fields.
2796 (get_block_head_tail): Adjust all uses.
2797 (compute_jump_reg_dependencies): Fixed to use glat_start.
2798 (schedule_ebb): Code to remove unreachable last block.
2799 (schedule_ebbs): Added code to update register live information.
2800 * sched-rgn.c (region_sched_info): Initialize new fields.
2801 (get_block_head_tail): Adjust all uses.
2802 (last_was_jump): Removed. Adjust users.
2803 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2804 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2805 Implement new hooks.
2806 (check_dead_notes1): New static function.
2807 (struct region): New fields: dont_calc_deps, has_real_ebb.
2808 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2809 (BB_TO_BLOCK): Fixed to handle EBBs.
2810 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2811 (ebb_head): New static variable.
2812 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2813 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2815 (compute_dom_prob_ps): New assertion.
2816 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2817 global_live_at_start.
2818 (init_ready_list): New assertions.
2819 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2820 (new_ready): Add support for BEGIN_CONTROL speculation.
2821 (schedule_insns): Fixed code that updates register live information
2823 (schedule_region): Fixed to handle EBBs.
2824 (init_regions): Use extend_regions and check_dead_notes1.
2825 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2826 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2827 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2828 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2829 TARGET_SCHED_GEN_CHECK,
2830 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2831 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2832 * doc/invoke.texi (max-sched-insn-conflict-delay,
2833 sched-spec-prob-cutoff): Document.
2835 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2837 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2838 inter_tick, queue_index.
2839 (struct sched_info): Change signature of init_ready_list field.
2840 Adjust all initializations.
2841 (RESOLVED_DEPS): New access macro.
2842 (ready_add): Remove prototype.
2843 (try_ready): Add prototype.
2844 * sched-rgn.c (init_ready_list): Use try_ready.
2845 (schedule_region): Initialize
2846 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2847 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2848 (init_ready_list): Use try_ready.
2849 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2850 * lists.c (remove_list_elem): Remove `static'.
2851 (remove_free_INSN_LIST_elem): New function.
2852 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2853 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2854 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2856 (readyp): New variable.
2857 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2858 change_queue_index, resolve_dep): New static functions.
2859 (try_ready): New function. Adjust callers in sched-rgn.c and
2860 sched-ebb.c to use it instead of ready_add.
2861 (clock_var): Move at the begining of file.
2862 (rank_for_schedule): Fix typo.
2863 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2864 (ready_lastpos): Enforce assertion.
2865 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2867 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2868 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2869 (queue_to_ready): Use free_INSN_LIST_list.
2870 (early_queue_to_ready): Fix typo.
2871 (schedule_block): Init readyp. Move init_ready_list call after the
2872 initialization of clock_var. Fix error in rejecting insn by
2873 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2874 that previously corrected INSN_TICKs. Add code for handling
2876 (set_priorities): Fix typo.
2877 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2878 Clarify comment and code that keeps current_sched_info->next_tail
2881 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2883 * sched-rgn.c (extend_rgns): New static function.
2884 (find_rgns): Use it.
2885 (gather_region_statistics, print_region_statistics): New static
2887 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2888 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2890 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2891 Andrey Belevantsev <abel@ispras.ru>
2893 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2894 * lists.c (unused_deps_list): New variable.
2895 (free_list): Add assertions to verify the proper distinguishing
2896 between INSN_LISTs and DEPS_LISTs.
2897 (find_list_elem, remove_list_elem, remove_list_node): New static
2899 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2900 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2901 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2902 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2904 (free_INSN_LIST_node): Likewise.
2905 * modulo-sched.c (current_sched_info): Initialize flags field.
2906 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2907 * rtl.def (DEPS_LIST): Define.
2908 * rtl.h: Declare new functions from lists.c.
2909 * sched-deps.c (spec_dependency_cache): New static variable.
2910 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2911 (add_dependence): Change return type to void. Move the logic to ...
2912 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2913 (delete_all_dependences): Add comment about forward_dependency_cache.
2914 Handle spec_dependency_cache. Handle DEPS_LISTs.
2915 (fixup_sched_groups): Clarify the change of priority of output
2916 and anti dependencies.
2917 (sched_analyze_2): Adjust add_dependence calls to create data
2918 speculative dependence.
2919 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2920 Adjust all callers. Handle DEPS_LISTS.
2921 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2922 presence of speculation.
2923 (init_dependency_caches, free_dependency_caches):
2924 Handle spec_dependency_cache.
2925 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2926 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2927 New static functions.
2928 (add_or_update_back_dep, add_or_update_back_forw_dep,
2929 add_back_forw_dep, delete_back_forw_dep): New functions.
2930 * sched-int.h (ds_t, dw_t): New typedefs.
2931 (struct sched_info): Add new field flags.
2932 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2933 Prototype new sched-deps.c functions.
2934 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2935 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2936 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2937 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2938 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2939 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2941 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2943 * sched-rgn.c (current_sched_info): Initialize flags field.
2944 (schedule_insns): Initialize current_sched_info before the sched_init
2946 * sched-ebb.c (current_sched_info): Initialize flags field.
2947 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2948 Call add_or_update_back_dep instead of add_dependence.
2949 Create control speculative dependencies.
2950 (schedule_insns): Initialize current_sched_info before the sched_init
2953 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2955 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2957 (sh_fallback_frame_state): Likewise.
2959 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2961 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2962 Do switch on default_use_cxa_atexit.
2963 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2964 * config/darwin-crt3.o: New.
2965 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2966 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2967 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2969 * config/rs6000/t-darwin: Move crt2.o building to here.
2970 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2971 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2974 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2976 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2977 from '! xxx' to '!xxx' for coding-style conformance.
2978 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2979 (EXTRA_CONSTRAINT): Likewise.
2980 * config/vax/vax.md (four unnamed insns): Likewise.
2982 2006-03-15 Paul Brook <paul@codesourcery.com>
2984 * config/arm/arm.c (minipool_pad): New.
2985 (add_minipool_forward_ref): Include pool alignment padding in address
2987 (push_minipool_fix): Set minipool_pad.
2988 (minipool_pad): Ditto.
2990 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2992 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2993 instead of GET_CODE() == MEM and REG_P() instead of
2995 (print_operand_address): Likewise.
2996 (vax_address_cost): Likewise.
2997 (vax_rtx_costs): Likewise.
2998 (vax_notice_update_cc): Likewise.
2999 (vax_output_int_add): Likewise.
3000 (INDEX_REGISTER_P): Likewise.
3001 (BASE_REGISTER_P): Likewise.
3002 (nonindexed_address_p): Likewise.
3003 (vax_mode_dependent_address_p): Likewise.
3004 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3005 (PRINT_OPERAND): Likewise.
3006 * config/vax/vax.md (ashlsi3): Likewise.
3007 (ashlsi3): Likewise.
3008 (some more unnamed insns): Likewise.
3010 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3012 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3013 iterator-style macro.
3014 (mark_control_dependent_edges_necessary): Update the use of
3015 EXECUTE_IF_CONTROL_DEPENDENT.
3017 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3019 * config/sh/predicates.md (cache_address_operand): Special.
3020 (ua_address_operand): Likewise.
3022 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3024 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3026 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3028 2006-03-15 Andreas Schwab <schwab@suse.de>
3030 * gensupport.c (identify_predicable_attribute): Don't free p_false
3031 when it is still in use.
3033 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3035 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3036 the default setting here.
3038 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3040 * tree-pass.h (pass_cfg): Remove.
3041 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3042 * passes.c (pass_cfg): Don't run it.
3044 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3046 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3047 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3049 (stack_regs_mentioned): Update the uses of
3050 stack_regs_mentioned_data. Don't access the array beyond its
3052 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3053 Don't include gt-reg-stack.h.
3055 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3056 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3058 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3061 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3064 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3066 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3068 2006-03-14 Richard Guenther <rguenther@suse.de>
3070 PR tree-optimization/26672
3071 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3074 2006-03-14 Richard Guenther <rguenther@suse.de>
3076 PR tree-optimization/26667
3077 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3078 node for the callees. Always allow inlining if it will shrink
3081 2006-03-14 Richard Guenther <rguenther@suse.de>
3084 * builtins.c (get_pointer_alignment): Prefer alignment
3085 information from decls over that from types.
3087 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3090 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3092 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3094 * config/rs6000/rs6000.opt (mdlmzb): New option.
3095 (msched-prolog, msched-epilog): Use Var not Mask.
3096 * doc/invoke.texi (-mdlmzb): Document.
3097 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3099 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3100 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3102 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3104 PR rtl-optimization/25739
3105 * bt-load.c (augment_live_range): Free tos pointer.
3107 * gensupport.c (identify_predicable_attribute): Free
3109 * gcov.c (create_file_names): Free name pointer.
3111 2006-03-13 Roger Sayle <roger@eyesopen.com>
3114 * stmt.c (emit_case_nodes): Handle the case where the index is a
3115 CONST_INT, where the comparison mode is specified by the index type.
3117 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3119 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3122 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3124 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3125 (*branch_fp_inverted): Likewise.
3127 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3130 * omp-low.c (expand_omp_for_generic): Mark istart0
3131 and iend0 as addressable.
3133 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3135 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3137 2006-03-13 Jeff Law <law@redhat.com>
3139 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3140 virtual operands are interesting.
3141 (vrp_visit_stmt): Corresponding changes.
3143 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3145 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3147 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3148 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3149 * config/bfin/crti.S: Use it instead of __PIC__.
3150 * config/bfin/crtn.S: Likewise.
3152 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3153 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3155 Lose 'G' modifier for call operand.
3156 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3157 recognize 'G' modifier.
3159 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3162 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3163 * stmt.c (expand_case): Likewise.
3165 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3167 PR rtl-optimization/26254
3168 * loop-invariant.c (seq_insns_valid_p): New function.
3169 (move_invariant_reg): Only emit new code if it is valid.
3171 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3173 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3175 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3176 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3177 (commit_one_edge_insertion): Do not look for loop notes.
3179 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3181 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3182 flag_test_coverage out of loop.
3184 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3186 * final.c (shorten_branches): Remove outdated comment, and turn
3187 the if branch that guards it to continue.
3189 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3191 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3192 * cfgloop.h (struct loop): Remove unused fields.
3194 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3196 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3197 (-dL, -fdump-rtl-loop2): Update the dump file names
3199 * doc/invoke.texi: Update dump file names.
3201 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3203 * predict.c (estimate_probability): Remove.
3204 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3205 * basic-block.h (estimate_probability): Remove prototype.
3206 * passes.c (finish_optimization_passes): Dump branch prediction or
3207 profiling heuristics to the .profile tree dump.
3208 (init_optimization_passes): Unqueue pass_branch_prob.
3210 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3212 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3214 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3215 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3217 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3219 * function.h (frame_offset_overflow): Declare.
3220 * function.c (frame_offset_overflow): New function.
3221 (assign_stack_local_1): Call it to detect that the offset overflows.
3222 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3224 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3226 * config/sh/sh.c: Include alloc-pool.h.
3227 (label_ref_list_pool): New alloc pool.
3228 (label_ref_list_t): New type for lists of labels.
3229 (struct pool_node): Make wend a label_ref_list_t.
3230 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3232 (dump_table): Likewise.
3233 (sh_reorg): Set up the alloc pool before using add_constant and
3234 dump_table, and destroy it when finishing.
3236 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3238 * config/mips/mips.c: Remove redundant comment.
3240 2006-03-10 Jason Merrill <jason@redhat.com>
3243 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3244 the target was declared 'register'.
3246 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3248 * genpreds.c (write_insn_constraint_len): Change definition of
3249 insn_constraint_len to return size_t to match the declaration.
3251 2006-03-10 DJ Delorie <dj@redhat.com>
3253 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3255 (m32c_expand_insv): Fix test for an AND mask.
3257 2006-03-10 Richard Guenther <rguenther@suse.de>
3260 * builtins.c (get_pointer_alignment): Handle component
3261 references for field alignment.
3263 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3265 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3266 when building with libgloss.
3267 (sh*elf): Implement --without-fp option.
3268 (sh64-superh-linux*): Don't multilib.
3270 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3272 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3274 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3276 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3277 Set it when one of the replacement functions returned true.
3278 Return TODO_cleanup_cfg if cfgchanged is true.
3279 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3281 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3283 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3284 instead of gen_lowpart.
3286 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3288 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3290 (mips_output_order_conditional_branch): Declare.
3291 * config/mips/mips.h (MIPS_BRANCH): New macro.
3292 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3293 for the comparison. Use gen_condjump.
3294 (mips_output_conditional_branch): Rework interface to take the
3295 asm templates for a direct branch and the inverse of a direct branch.
3296 (mips_output_order_conditional_branch): New function.
3297 (mips_builtin_branch_and_move): New function.
3298 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3299 branch condition. Use gen_single_cc as the condition for
3300 __builtin_mips_upper_* or __builtin_mips_lower_*.
3301 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3302 Use VOIDmode for the branch condition.
3303 * config/mips/predicates.md (order_operator): New predicate.
3304 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3305 (branch_fp): Rename to...
3306 (*branch_fp): ...this. Remove mode from comparison operator.
3307 Use new mips_output_conditional_branch interface.
3308 (branch_fp_inverted): Rename to...
3309 (*branch_fp_inverted): ...this and update as for *branch_fp.
3310 (*branch_zero<mode>): Rename to...
3311 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3312 Use mips_output_order_conditional_branch. Only accept ordered
3314 (*branch_zero<mode>_inverted): Rename to...
3315 (*branch_order<mode>_inverted): ...this and update as for
3316 *branch_order<mode>.
3317 (*branch_equality<mode>): Accept zero as the second operand to
3318 the equality operator. Use the new mips_output_conditional_branch
3320 (*branch_equality<mode>_inverted): Likewise.
3321 (condjump): New expander.
3322 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3324 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3325 (bc1any2t, bc1any2f): Likewise.
3326 (single_cc): New expander.
3327 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3329 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3331 * doc/md.texi: Update documentation of MIPS constraints.
3332 * config/mips/constraints.md: New file.
3333 * config/mips/mips.md: Include it.
3334 * config/mips/mips.c (mips_char_to_class): Delete.
3335 (override_options): Don't initialize mips_char_to_class.
3336 * config/mips/mips.h (mips_char_to_class): Delete.
3337 (REG_CLASS_FROM_LETTER): Delete.
3338 (CONST_OK_FOR_LETTER_P): Delete.
3339 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3340 (EXTRA_CONSTRAINT_Y): Delete.
3341 (EXTRA_CONSTRAINT_STR): Delete.
3342 (CONSTRAINT_LEN): Delete.
3343 (EXTRA_MEMORY_CONSTRAINT): Delete.
3345 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3347 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3348 original fn's eh regions.
3350 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3352 * fold-const.c (build_range_check): Make sure to use a valid type to
3353 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3356 (range_predecessor): New static function.
3357 (range_successor): Likewise.
3358 (merge_ranges): Use them to compute predecessors and successors of
3361 2006-03-09 Roger Sayle <roger@eyesopen.com>
3364 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3365 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3367 2006-03-08 DJ Delorie <dj@redhat.com>
3369 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3370 (addpsi3): Expand to include memory operands. Remove
3371 reload-specific splits.
3372 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3373 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3374 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3375 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3376 (shift1_qi, shift1_hi, insv): New.
3377 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3378 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3379 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3381 * config/m32c/m32c-protos.h: Update as needed.
3382 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3383 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3384 Fail for unrecognized R* constraints.
3385 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3386 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3387 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3389 (m32c_init_libfuncs): New.
3390 (m32c_legitimate_address_p): Add debug wrapper.
3391 (m32c_rtx_costs): New.
3392 (m32c_address_cost): New.
3393 (conversions): Add 'B' prefix.
3394 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3395 operands, or word regnames for QI operands. 'B' prints bit
3397 (m32c_expand_setmemhi): New.
3398 (m32c_expand_movmemhi): New.
3399 (m32c_expand_movstr): New.
3400 (m32c_expand_cmpstr): New.
3401 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3402 (m32c_expand_neg_mulpsi3): Handle non-ints.
3403 (m32c_cmp_flg_0): New.
3404 (m32c_expand_movcc): New.
3405 (m32c_expand_insv): New.
3406 (m32c_scc_pattern): New.
3407 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3408 a0/a1 out of SIregs.
3409 (STORE_FLAG_VALUE): New.
3410 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3413 * config/m32c/mov.md: Make constraints more liberal.
3414 (zero_extendqihi2): Optimize r0/r1 case.
3415 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3416 * config/m32c/predicates.md (m32c_any_operand): New.
3417 (m32c_nonimmediate_operand): New.
3418 (m32c_hl_operand): New.
3419 (m32c_r3_operand): New.
3422 (memsym_operand): New.
3423 (memimmed_operand): New.
3424 (a_qi_operand): New.
3425 (m32c_eqne_operator): New.
3426 (m32c_1bit8_operand): New.
3427 (m32c_1bit16_operand): New.
3428 (m32c_1mask8_operand): New.
3429 (m32c_1mask16_operand): New.
3430 * config/m32c/blkmov.md: New file.
3431 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3433 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3435 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3436 unsigned to fix signed/unsigned comparison issue in
3437 DWARF2_FRAME_REG_OUT.
3438 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3439 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3441 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3442 of ptr into the ENABLE_CHECKING section.
3444 2006-03-08 Jeff Law <law@redhat.com>
3446 * tree-vrp.c (infer_value_range): Only count pointer uses
3447 and dereferences if -fdelete-null-pointer-checks is enabled.
3449 * tree-vrp.c (find_assert_locations): Infer value ranges for
3450 single use pointers, but do not create ASSERT_EXPRs for them.
3451 When a non-null range is inferred for a pointer, backwards
3452 propagate that range to other equivalent pointers through the
3455 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3458 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3459 language hook targets.
3460 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3461 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3462 if language hook targets were missing.
3464 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3466 * tree-ssa-opfinalize.h: Removed.
3467 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3469 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3470 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3471 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3472 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3473 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3474 finalize_ssa_v_must_def_ops): New.
3476 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3478 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3481 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3483 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3485 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3486 addresses with offsets; reorganize.
3488 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3489 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3490 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3492 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3495 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3497 2006-03-08 Ben Elliston <bje@au.ibm.com>
3499 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3501 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3504 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3507 2006-03-07 Richard Guenther <rguenther@suse.de>
3509 PR tree-optimization/26587
3510 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3512 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3514 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3516 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3518 * hooks.c (hook_bool_mode_rtx_true): New function.
3519 * hooks.h (hook_bool_mode_rtx_true): Declare.
3520 * toplev.c (compile_file): Call output_shared_constant_pool.
3521 * varasm.c (shared_constant_pool): New variable.
3522 (assemble_start_function, assemble_end_function): Remove arguments
3523 from call to output_constant_pool.
3524 (create_constant_pool): New function, split out from...
3525 (init_varasm_status): ...here.
3526 (force_const_mem): Choose between the shared and per-function constant
3527 pools. Set current_function_uses_const_pool when reusing old entries
3528 as well as when creating new ones.
3529 (mark_constant): Ignore data argument.
3530 (mark_constants): Remove pool argument.
3531 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3532 to decide whether the function uses a constant pool.
3533 (output_constant_pool_contents): New function, split out from...
3534 (output_constant_pool): ...here.
3535 (output_shared_constant_pool): New function.
3536 (init_varasm_once): Initialize shared_constant_pool.
3537 * output.h (output_constant_pool): Delete.
3538 (output_shared_constant_pool): Declare.
3539 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3540 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3542 2006-03-06 Nick Clifton <nickc@redhat.com>
3544 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3545 flag_strength_reduce.
3547 2006-03-06 Ben Elliston <bje@au.ibm.com>
3549 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3550 x86_64-*-linux* configurations.
3552 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3553 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3555 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3557 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3559 * basic-block.h: Remove the extern for
3560 rediscover_loops_after_threading.
3562 * cfgloop.c (cancel_loop): Make it static.
3563 * cfgloop.h: Remove the prototype for cancel_loop.
3565 * flow.c (recompute_reg_usage): Make it static.
3566 * rtl.h: Remove the prototype for recompute_reg_usage.
3568 * function.c (use_return_register): Make it static.
3569 * function.h: Remove the prototype.
3571 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3573 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3575 * recog.h: Remove the prototype for
3576 validate_change_maybe_volatile.
3578 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3580 * rtlanal.c (replace_reg): Remove.
3581 * rtl.h: Remove the prototype for replace_reg.
3583 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3585 * regclass.c (reg_scan_update): Remove.
3586 (reg_scan_mark_refs): Remove the last argument.
3587 * rtl.h: Remove the prototype for reg_scan_update.
3589 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3591 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3592 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3593 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3594 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3595 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3596 loop-invariant.c, omp-low.c, opts.c, passes.c,
3597 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3598 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3599 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3600 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3601 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3602 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3604 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3606 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3607 * dwarf2out.h: Remove the prototype for
3608 dwarf2out_add_library_unit_info.
3610 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3612 * tree.c (add_var_to_bind_expr): Remove.
3613 * tree.h: Remove the prototype for add_var_to_bind_expr.
3615 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3617 * regclass.c (n_non_fixed_regs): Remove.
3618 (init_reg_sets_1, globalize_reg): Remove all uses of
3620 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3622 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3624 * rtlanal.c (insns_safe_to_move_p): Remove.
3625 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3627 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3629 * expmed.c (expand_mult_add): Remove.
3630 * expr.h: Remove the prototype for expand_mult_add.
3632 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3634 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3635 and REG_SAVED_VAL_EXP constants.
3636 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3637 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3638 Handle regs stored by value.
3639 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3640 (execute_cfa_program): Handle DW_CFA_val_offset,
3641 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3642 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3643 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3644 (uw_install_context_1): Handle target regs stored by value.
3646 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3648 * tree-sra.c (tree_sra): Return todoflags;
3649 (generate_one_element): Set TODO_update_smt_usage if needed.
3650 (pass_sra): Remove TODO_update_smt_usage.
3651 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3653 (tree_ssa_forward_propagate_single_use_vars): Return
3654 TODO_update_smt_usage if we need to update SMT usage.
3655 (pass_forwprop): Remove TODO_update_smt_usage.
3657 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3659 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3660 (correct_use_link): Remove reference to get_stmt_operands.
3661 (update_stmt_operands): Likewise.
3662 (get_modify_expr_operands): New function factored out of
3663 parse_ssa_operands and get_expr_operands.
3664 Try to create V_MUST_DEFs for LHS by default.
3665 (get_expr_operands) <case MODIFY_EXPR>: Call
3666 get_modify_expr_operands.
3667 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3668 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3669 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3670 get_modify_expr_operands.
3672 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3674 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3675 * tree-flow.h: Remove the prototype for
3676 referenced_var_lookup_if_exists.
3678 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3680 PR rtl-optimization/26345
3682 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3684 2006-03-03 Roger Sayle <roger@eyesopen.com>
3686 PR tree-optimization/26524
3687 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3688 fold_convert to create a constant of the appropriate type.
3690 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3692 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3693 SYMBOL_REF_IN_BLOCK_P.
3694 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3695 of SYMBOL_FLAG_IN_BLOCK.
3696 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3697 instead of SYMBOL_REF_IN_BLOCK_P.
3698 * explow.c (use_anchored_address): Likewise.
3699 * rtl.c (rtx_size): Likewise.
3700 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3701 instead of SYMBOL_FLAG_IN_BLOCK.
3702 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3703 SYMBOL_REF_IN_BLOCK_P.
3704 (assemble_variable): Likewise.
3705 (output_constant_def_contents): Likewise.
3706 (output_constant_pool): Likewise.
3707 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3708 instead of SYMBOL_FLAG_IN_BLOCK.
3709 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3710 SYMBOL_REF_IN_BLOCK_P.
3711 (SYMBOL_REF_BLOCK): Likewise.
3712 (SYMBOL_REF_OFFSET): Likewise.
3713 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3714 SYMBOL_REF_IN_BLOCK_P.
3715 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3716 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3717 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3718 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3720 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3722 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3724 2006-03-02 Roger Sayle <roger@eyesopen.com>
3726 * simplify-rtx.c (simplify_unary_operation): When simplifying
3727 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3728 that we perform the right shift in the appropriate mode, and
3729 then extend or truncate the result to requested mode.
3731 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3733 * gengtype.c (main): Handle double_int type.
3734 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3735 * double-int.c: New file.
3736 * double-int.h: New file.
3737 * system.h: Include doubleint.h.
3738 * Makefile.in (SYSTEM_H): Include double-int.h.
3739 (double-int.o): Add.
3741 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3744 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3747 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3749 * tree-vrp.c (remove_range_assertions): Do not update statements
3752 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3754 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3756 * gcse.c (rest_of_handle_gcse): Ditto.
3757 * except.c (gate_handle_eh): Ditto.
3758 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3759 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3761 2006-03-02 Eric Christopher <echristo@apple.com>
3763 * config/i386/i386.c (machopic_output_stub): Add indirection to
3766 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3770 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3772 Sun Niagara specific optimizations.
3773 * config.gcc: Recognize niagara as target.
3774 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3775 (TARGET_CPU_niagara): Define.
3776 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3777 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3778 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3779 (ASM_CPU_SPEC): Likewise.
3780 (PROCESSOR_NIAGARA): New enum entry.
3781 (REGISTER_MOVE_COST): Handle Niagara.
3782 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3783 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3784 (sparc_override_options): Recognize "niagara", set appropriate
3785 default MASK_* values for it, and align functions to 32-bytes
3786 by default just like ULTRASPARC/ULTRASPARC3.
3787 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3788 (sparc64_initialize_trampoline): Likewise.
3789 (sparc_use_sched_lookahead): Use zero for niagara.
3790 (sparc_issue_rate): Use one for niagara.
3791 * config/sparc/niagara.md: New file.
3792 * config/sparc/sparc.md: Include it.
3793 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3794 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3795 when default cpu is niagara.
3796 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3797 (ASM_CPU_SPEC): Likewise.
3798 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3799 when default cpu is niagara.
3800 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3801 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3802 just like v9/ultrasparc/ultrasparc3.
3803 * doc/invoke.texi: Add documentation for "niagara" and improve
3804 existing documentation for ultrasparc variants.
3806 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3808 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3810 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3812 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3813 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3814 and say that only one is needed.
3815 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3816 * target.h (have_switchable_bss_sections): New hook.
3817 * explow.c (use_anchored_address): Check that the symbol is in a block.
3818 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3819 (bss_noswitch_section): New variables.
3820 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3821 (get_noswitch_section): New function.
3822 (get_block_for_section): Allow SECT to be null.
3823 (unlikely_text_section_p): Use SECTION_STYLE.
3824 (bss_initializer_p): New function.
3825 (get_variable_section): Move earlier in file. Take a new argument,
3826 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3827 Return one of the new *_sections in such cases.
3828 (get_block_for_decl): New function, extracting some logic from
3829 use_blocks_for_decl_p.
3830 (change_symbol_section): Remove in favor of...
3831 (change_symbol_block): ...this new function.
3832 (use_blocks_for_decl_p): Remove checks now performed by
3834 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3835 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3836 (emit_local, emit_bss, emit_common): ...these new functions.
3837 Return true if the alignment was honored.
3838 (emit_tls_common): New function.
3839 (asm_emit_uninitialised): Delete.
3840 (assemble_variable_noswitch): New function, split out from...
3841 (assemble_variable): ...here. Don't make decisions about common
3842 variables here. Globalize all public decls that go into non-common
3843 sections. Check whether SYMBOL_REF_BLOCK is null.
3844 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3845 (output_constant_pool): Likewise.
3846 (init_varasm_once): Initialize the new section variables.
3847 (have_global_bss_p): New function.
3848 (categorize_decl_for_section): Use bss_initializer_p.
3849 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3850 (place_block_symbol): Assert that the symbol must be in a block.
3851 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3852 (TARGET_INITIALIZER): Include it.
3853 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3854 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3855 (SECTION_MACH_DEP): Bump by two.
3856 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3857 (unnamed_section): Mention SECTION_UNNAMED in comment.
3858 (named_section): Likewise SECTION_NAMED.
3859 (noswitch_section_callback): New type.
3860 (noswitch_section): New structure.
3861 (section): Add a noswitch_section alternative.
3862 (SECTION_STYLE): New macro.
3863 (tls_comm_section, comm_section, lcomm_section): Declare.
3864 (bss_noswitch_section, have_global_bss_p): Declare.
3865 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3866 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3868 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3869 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3872 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3874 * gcc/tree-vrp.c (execute_vrp): Return value.
3875 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3876 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3877 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3878 (tree_lower_complex_O0): Ditto.
3879 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3880 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3881 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3882 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3883 (execute_tail_calls): Ditto.
3884 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3885 * gcc/tree.h (init_function_for_compilation): Ditto.
3886 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3887 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3888 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3889 * gcc/final.c (compute_alignments): Ditto.
3890 (rest_of_handle_final): Ditto.
3891 (rest_of_handle_shorten_branches): Ditto.
3892 (rest_of_clean_state): Ditto.
3893 * gcc/omp-low.c (execute_expand_omp): Ditto.
3894 (execute_lower_omp): Ditto.
3895 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3896 * gcc/ipa-reference.c (static_execute): Ditto.
3897 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3898 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3899 (rest_of_handle_machine_reorg): Ditto.
3900 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3901 * gcc/flow.c (recompute_reg_usage): Ditto.
3902 (rest_of_handle_remove_death_notes): Ditto.
3903 (rest_of_handle_life): Ditto.
3904 (rest_of_handle_flow2): Ditto.
3905 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3906 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3907 (do_ssa_store_ccp): Ditto.
3908 (execute_fold_all_builtins): Ditto.
3909 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3910 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3911 * gcc/ipa-pure-const.c (static_execute): Ditto.
3912 * gcc/cse.c (rest_of_handle_cse): Ditto.
3913 (rest_of_handle_cse2): Ditto.
3914 * gcc/web.c (rest_of_handle_web): Ditto.
3915 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3916 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3917 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3918 * gcc/tree-nrv.c (tree_nrv): Ditto.
3919 (execute_return_slot_opt): Ditto.
3920 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3921 (create_structure_vars): Ditto.
3922 * gcc/loop-init.c (rtl_loop_init): Ditto.
3923 (rtl_loop_done): Ditto.
3924 (rtl_move_loop_invariants): Ditto.
3925 (rtl_unswitch): Ditto.
3926 (rtl_unroll_and_peel_loops): Ditto.
3927 (rtl_doloop): Ditto.
3928 * gcc/gimple-low.c (lower_function_body): Ditto.
3929 (mark_used_blocks): Ditto.
3930 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3931 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3932 (cgraph_early_inlining): Ditto.
3933 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3934 * gcc/jump.c (cleanup_barriers): Ditto.
3935 (purge_line_number_notes): Ditto.
3936 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3937 (rest_of_handle_if_after_reload): Ditto.
3938 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3939 (tree_ssa_loop_im): Ditto.
3940 (tree_ssa_loop_unswitch): Ditto.
3941 (tree_vectorize): Ditto.
3942 (tree_linear_transform): Ditto.
3943 (tree_ssa_loop_ivcanon): Ditto.
3944 (tree_ssa_empty_loop): Ditto.
3945 (tree_ssa_loop_bounds): Ditto.
3946 (tree_complete_unroll): Ditto.
3947 (tree_ssa_loop_prefetch): Ditto.
3948 (tree_ssa_loop_ivopts): Ditto.
3949 (tree_ssa_loop_done): Ditto.
3950 * gcc/predict.c (tree_estimate_probability): Ditto.
3951 * gcc/recog.c (split_all_insns_noflow): Ditto.
3952 (rest_of_handle_peephole2): Ditto.
3953 (rest_of_handle_split_all_insns): Ditto.
3954 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3955 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3956 (rest_of_handle_stack_adjustments): Ditto.
3957 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3958 * gcc/function.c (instantiate_virtual_regs): Ditto.
3959 (init_function_for_compilation): Ditto.
3960 (rest_of_handle_check_leaf_regs): Ditto.
3961 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3962 (rest_of_handle_gcse): Ditto.
3963 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3964 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3965 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3966 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3967 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3968 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3969 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3970 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3971 * gcc/except.c (set_nothrow_function_flags): Ditto.
3972 (convert_to_eh_region_ranges): Ditto.
3973 (rest_of_handle_eh): Ditto.
3974 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3975 (remove_unnecessary_notes): Ditto.
3976 * gcc/except.h (set_nothrow_function_flags): Ditto.
3977 (convert_to_eh_region_ranges): Ditto.
3978 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3979 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3980 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3981 (execute_fre): Ditto.
3982 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3983 (rest_of_handle_jump2): Ditto.
3984 * gcc/tree-sra.c (tree_sra): Ditto.
3985 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3986 (execute_mudflap_function_decls): Ditto.
3987 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3988 (do_store_copy_prop): Ditto.
3989 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3990 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3991 * gcc/tree-ssa-forwprop.c
3992 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3993 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3994 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3995 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3996 (execute_late_warn_uninitialized): Ditto.
3997 * gcc/rtl.h (cleanup_barriers): Ditto.
3998 (split_all_insns_noflow): Ditto.
3999 (purge_line_number_notes): Ditto.
4000 (unshare_all_rtl): Ditto.
4001 (remove_unnecessary_notes): Ditto.
4002 (recompute_reg_usage): Ditto.
4003 (variable_tracking_main): Ditto.
4004 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4005 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4006 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4007 (execute_free_cfg_annotations): Ditto.
4008 (execute_fixup_cfg): Ditto.
4009 (execute_cleanup_cfg_pre_ipa): Ditto.
4010 (execute_cleanup_cfg_post_optimizing): Ditto.
4011 (execute_init_datastructures): Ditto.
4012 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4013 * gcc/combine.c (rest_of_handle_combine): Ditto.
4014 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4015 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4016 (rest_of_handle_reorder_blocks): Ditto.
4017 (rest_of_handle_partition_blocks): Ditto.
4018 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4019 * gcc/tree-profile.c (tree_profiling): Ditto.
4020 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4021 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4022 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4023 (rest_of_handle_sched2): Ditto.
4024 * gcc/basic-block.h (free_bb_insn): Ditto.
4025 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4026 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4027 (remove_useless_stmts): Ditto.
4028 (split_critical_edges): Ditto.
4029 (execute_warn_function_return): Ditto.
4030 (execute_warn_function_noreturn): Ditto.
4031 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4032 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4033 * gcc/passes.c (execute_one_pass): Run additional
4034 todos returned by execute function.
4035 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4038 2006-03-02 Richard Guenther <rguenther@suse.de>
4040 * tree-ssa-alias.c (find_used_portions): Consider taking
4041 the address as making the variable not write-only.
4043 2006-03-02 Nick Clifton <nickc@redhat.com>
4045 * config.gcc (default_use_cxa_atexit): Extend the description of
4046 this configure variable. Set its default value to "yes" for
4047 Linux, NetBSD and ELF targets on the assumption that they will
4048 use C libraries with the __cxa_atexit function.
4050 2006-03-02 Ben Elliston <bje@au.ibm.com>
4052 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4053 parameter as unused to suppress a build warning.
4055 2006-03-02 Ben Elliston <bje@au.ibm.com>
4057 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4060 2006-03-01 Roger Sayle <roger@eyesopen.com>
4063 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4064 declared name, the weak reference name, and the typeof name.
4065 (__gthrw): Avoid expanding the declared name suffix.
4066 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4068 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4070 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4072 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4073 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4074 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4075 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4076 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4077 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4078 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4079 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4080 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4081 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4082 (DW_END_default, DW_END_big, DW_END_little): New.
4083 (DW_END_lo_user, DW_END_hi_user): Define.
4084 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4085 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4086 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4089 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4091 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4093 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4095 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4097 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4099 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4100 to 'symbol_mem_tag'.
4102 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4105 2006-03-01 Roger Sayle <roger@eyesopen.com>
4107 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4109 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4112 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4113 MACHO_DYNAMIC_NO_PIC_P.
4114 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4116 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4119 * config/darwin-protos.h (darwin_asm_output_anchor):
4121 * config/darwin-sections.def (cstring_section):
4122 Add SECTION_MERGE to the flags.
4123 (literal4_section): Likewise.
4124 (literal8_section): Likewise.
4125 (objc_selector_refs_section): Likewise.
4126 (objc_cls_refs_section): Likewise.
4127 * config/darwin.c (darwin_asm_output_anchor): New
4129 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4131 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4133 Fix PR tree-optimization/26443
4134 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4135 to todo and PROP_tmt_usage to properties_destroyed.
4136 * tree-ssa-ccp.c (pass_ccp): Ditto.
4137 (pass_store_ccp): Ditto.
4138 * tree-ssa-dom.c (pass_dominator): Ditto.
4140 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4142 * tree-ssa-operands.c: Cleanup whitespace.
4143 (get_asm_expr_operands): Move before first invocation.
4144 (get_indirect_ref_operands): Likewise.
4145 (get_tmr_operands): Likewise.
4146 (get_call_expr_operands): Likewise.
4147 (append_def): Likewise.
4148 (append_use): Likewise.
4149 (append_v_may_def): Likewise.
4150 (append_v_must_def): Likewise.
4151 (add_call_clobber_ops): Likewise.
4152 (add_call_read_ops): Likewise.
4153 (add_stmt_operand): Likewise.
4154 (add_virtual_operand): Likewise.
4155 (build_ssa_operands): Likewise.
4157 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4162 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4163 with a call expr to ...
4164 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4166 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4168 * tree-vrp.c (extract_range_from_assert): Remove special
4169 handling for types with super-types.
4171 2006-03-01 Ben Elliston <bje@au.ibm.com>
4173 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4174 and powerpc64-*-linux* configurations.
4175 * config/t-dfprules: New file.
4177 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4178 Compile dfp-bit.c from the source directory using -DWIDTH and
4179 $DFP_CFLAGS to control the compilation of that file, rather than
4180 generating width-specific versions in the build directory.
4181 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4182 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4184 2006-02-28 Zack Weinberg <zackw@panix.com>
4186 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4189 2006-02-28 Eric Christopher <echristo@apple.com>
4191 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4192 Set up IN_LIBGCC definition of TARGET_64BIT.
4193 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4195 2006-02-28 Roger Sayle <roger@eyesopen.com>
4198 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4199 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4200 cases via the construction of "expr != 0".
4202 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4204 * alias.c (alias_invariant, alias_invariant_size): Remove.
4205 (record_base_value): Remove.
4206 (memrefs_conflict_p): Don't look at alias_invariant.
4207 (end_alias_analysis): Don't free it.
4208 * alias.h (record_base_value): Remove prototype.
4210 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4211 Adam Nemet <anemet@caviumnetworks.com>
4213 * rtl.h (truncated_to_mode): Declare it.
4214 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4215 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4216 (RTL_HOOKS_INITIALIZER): Include it.
4217 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4218 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4219 reg_truncated_to_mode.
4220 * rtlanal.c (truncated_to_mode): Define it.
4221 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4223 2006-02-28 Jeff Law <law@redhat.com>
4225 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4226 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4227 the range allowed by TYPE_PRECISION.
4229 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4231 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4233 PR tree-optimization/26419
4234 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4237 2006-02-27 Zack Weinberg <zackw@panix.com>
4239 * doc/md.texi: Fix typo in previous change.
4241 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4245 2006-02-27 Zack Weinberg <zackw@panix.com>
4247 * rtl.def (define_constraint, define_register_constraint)
4248 (define_memory_constraint, define_address_constraint): New MD forms.
4249 * gensupport.c (process_rtx): Put define_constraint etc on the
4251 * genpreds.c (process_define_predicate): Adjust comment. Validate
4252 the name, and call validate_exp to validate the expression.
4253 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4254 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4255 all callers changed.
4256 (validate_exp, needs_variable, struct constraint_data)
4257 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4258 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4259 (const_dbl_constraints, constraint_max_namelen)
4260 (have_register_constraints, have_memory_constraints)
4261 (have_address_constraints, have_address_constraints)
4262 (have_extra_constraints, have_const_int_constraints)
4263 (have_const_dbl_constraints, mangle, add_constraint)
4264 (process_define_constraint, process_define_register_constraint)
4265 (write_enum_constraint_num, write_lookup_constraint)
4266 (write_insn_constraint_len, write_regclass_for_constraint)
4267 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4268 (write_insn_extra_memory_constraint)
4269 (write_insn_extra_address_constraint)
4270 (write_satisfies_constraint_fns): New.
4271 (write_tm_preds_h): If we have new-style constraint definitions,
4272 prototype the functions generated from them, and define the
4273 old constraint interface (still used by generic code) in terms of
4275 (write_insn_preds_c): If we have new-style constraint definitions,
4276 generate all relevant functions from those definitions.
4277 (main): Handle define_constraint etc.
4278 * genoutput.c (struct constraint_data, indep_constraints)
4279 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4280 (mdep_constraint_len): New data structures and functions, defined
4281 #ifdef USE_MD_CONSTRAINTS.
4282 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4283 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4284 use new logic to validate operand constraints against constraint
4286 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4288 * defaults.h: If none of the old-style constraint macros are
4289 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4290 old-style macros; and poison REG_CLASS_FROM_LETTER,
4291 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4293 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4294 * doc/md.texi: Document new constraint-definition mechanism and the
4295 C interface it provides. Remove references to old mechanism
4296 elsewhere in the document.
4297 (Machine Constraints): Use pathnames relative to gcc directory,
4298 i.e. config/ARCH/FILE. Change i386 section to refer to
4299 config/i386/predicates.md; update that section to match docstrings.
4300 * doc/tm.texi: Move all documentation of the old constraint-
4301 definition macros to their own section, clearly mark as obsolete.
4303 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4304 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4306 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4307 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4308 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4310 (splits and peepholes): Use satisfies_constraint_*.
4311 * config/i386/i386.c (memory_address_length)
4312 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4314 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4316 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4317 scalar operation to be put back into the loop.
4319 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4322 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4323 (extract_cie_info): Handle S flag in augmentation string.
4324 (execute_cfa_program): If context->signal_frame, execute also
4325 fs->pc == context->ra instructions.
4326 (uw_frame_state_for): If context->signal_frame, don't subtract one
4327 from context->ra to find FDE.
4328 (uw_update_context_1): Set context->signal_frame to
4330 (_Unwind_GetIPInfo): New function.
4331 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4332 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4334 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4335 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4336 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4337 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4338 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4339 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4340 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4341 x86_64_fallback_frame_state): Set fs->signal_frame.
4342 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4343 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4344 (frob_update_context): Likewise. Workaround missing S flag in
4345 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4346 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4347 Remove the psw_addr + 1 hack.
4349 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4351 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4352 with aggregates here.
4353 (find_func_aliases): Remove code for &<aggregate> from here.
4355 2006-02-26 Roger Sayle <roger@eyesopen.com>
4357 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4358 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4359 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4362 2006-02-26 Roger Sayle <roger@eyesopen.com>
4365 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4367 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4369 * opts.c (decode_options): Do not handle flag_strength_reduce.
4370 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4371 and OPT_fstrength_reduce.
4372 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4373 flag_prefetch_loop_arrays for being nonzero.
4374 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4376 (fprefetch-loop-arrays-rtl): Removed.
4377 (flag_prefetch_loop_arrays): Do not specify the value.
4379 * doc/passes.texi: Update documentation of loop optimizer
4381 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4382 -frerun-loop-opt): Remove.
4384 2006-02-26 Richard Guenther <rguenther@suse.de>
4386 PR tree-optimization/26421
4387 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4388 in function calls that are ADDR_EXPRs as using the whole structure.
4390 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4392 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4393 * tree-pass.h (pass_loop_optimize): Remove.
4394 * passes.c (pass_loop_optimize): Never run it.
4395 * toplev.c (backend_init): Don't call init_loop.
4396 * opts.c (flag_loop_optimize_set): Remove.
4397 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4398 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4399 the old RTL loop optimizer when profiling enabled.
4400 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4401 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4402 pre-headers for the sake of the old RTL loop optimizer.
4403 * Makefile.in: Remove all references to loop.o.
4405 * doc/invoke.texi: Remove all references to -floop-optimize
4406 and -frerun-loop-opt.
4408 2006-02-26 Zack Weinberg <zackw@panix.com>
4410 * doc/md.texi (Machine Constraints): Refer to all files with paths
4411 relative to gcc directory (i.e. config/CPU/file). Add missing
4412 @table @code ... @end table to M32C subsection.
4414 2006-02-26 Roger Sayle <roger@eyesopen.com>
4416 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4418 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4420 2006-02-26 Roger Sayle <roger@eyesopen.com>
4421 James A. Morrison <phython@gcc.gnu.org>
4424 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4425 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4426 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4427 signedness of the shift operation.
4429 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4431 PR tree-optimization/26359
4432 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4434 2006-02-25 Roger Sayle <roger@eyesopen.com>
4436 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4437 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4438 as X == 0, and some symmetry related transformations.
4439 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4441 2006-02-25 Roger Sayle <roger@eyesopen.com>
4444 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4445 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4446 symmetry related transformations. Fold (X^C1) == C2 as
4449 2006-02-25 Juergen Weigert <jw@suse.de>
4450 Richard Guenther <rguenther@suse.de>
4452 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4454 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4456 * combine.c (gen_lowpart_or_truncate): Call
4457 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4459 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4461 * doc/invoke.texi: Move -fopenmp description to "Options for
4463 Remove reference to -lgomp.
4465 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4467 * doc/install.texi: Require GNU tar version 1.14.
4469 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4471 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4472 * doc/invoke.texi (C++ Dialect Options): Document
4473 -fno-use-cxa-get-exception-ptr.
4474 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4475 * configure: Regenerate.
4476 * c.opt (fuse-cxa-get-exception-ptr): New.
4477 * c-opts.c (c_common_handle_option): Handle
4478 OPT_fuse_cxa_get_exception_ptr.
4479 * c-common.c (flag_use_cxa_atexit): Update documentation.
4480 (flag_use_cxa_get_exception_ptr): New.
4481 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4482 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4484 (C_COMMON_OVERRIDE_OPTIONS): New.
4486 2006-02-24 Roger Sayle <roger@eyesopen.com>
4489 * combine.c (try_combine): Explicitly check whether GET_CODE is
4490 a SET or a CLOBBER, instead on checking that it isn't a USE.
4492 2006-02-24 Roger Sayle <roger@eyesopen.com>
4494 * fold-const.c (fold_comparison): New subroutine of fold_binary
4495 containing transformations common to both the equality and
4496 ordering relational operators, factored out of fold_binary.
4497 (fold_binary): Separate out the equality operators (EQ_EXPR
4498 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4499 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4500 transformations common to both.
4501 (fold_div_compare): Fix latent bugs in the previously unreachable
4502 LT_EXPR and GE_EXPR cases.
4504 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4506 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4507 decl libname for clog to __clog on AIX.
4509 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4511 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4514 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4515 output traceback table for thunks. Localise rs6000_stack_info call.
4517 2006-02-23 Roger Sayle <roger@eyesopen.com>
4518 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4520 * gthr-posix.h (__gthrw): Fix typo in comment.
4522 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4524 * doc/cpp.texi (Character sets): Document that we do support
4525 input files to be in any character set.
4527 2006-02-23 Jeff Law <law@redhat.com>
4529 * tree.h (PHI_ARG_NONZERO): Remove.
4530 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4531 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4532 node to the new node.
4534 PR tree-optimization/26425
4535 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4536 min/max, then assume its varying.
4538 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4540 PR rtl-optimization/26316
4541 * rtlanal.c (enum may_trap_p_flags): New.
4542 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4543 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4544 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4545 (may_trap_after_code_motion_p): New function.
4546 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4547 (find_invariant_insn): Use may_trap_after_code_motion_p.
4548 * rtl.h (may_trap_after_code_motion_p): Declare.
4550 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4552 * emit-rtl.c (immed_double_const): Cleanup.
4554 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4556 Fix PR tree-optimization/26376
4557 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4560 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4563 * gimplify.c (omp_add_variable): Guard variable size decl test with
4564 DECL_SIZE (decl) check.
4566 2006-02-23 Richard Guenther <rguenther@suse.de>
4569 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4570 like aggregate types.
4572 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4574 * configure.ac: Add --with{,out}-long-double-128 configure option.
4575 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4576 * configure: Rebuilt.
4577 * config.in: Rebuilt.
4578 * doc/install.texi (Options specification): Document
4579 --with-long-double-128.
4581 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4582 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4583 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4584 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4586 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4588 * config/s390/s390.c (override_options): Handle
4589 TARGET_DEFAULT_LONG_DOUBLE_128.
4591 * config/alpha/alpha.c (override_options): Handle
4592 TARGET_DEFAULT_LONG_DOUBLE_128.
4594 * config/sparc/sparc.c (sparc_override_options): Handle
4595 TARGET_DEFAULT_LONG_DOUBLE_128.
4597 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4599 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4600 (real-install-headers-tar, real-install-headers-cpio)
4601 (real-install-headers-cp): New targets.
4603 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4605 * tree.h (variable_section): Delete.
4606 * varasm.c (variable_section): Delete.
4608 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4610 * install.texi: Add notes on install.texi2html.
4611 (Building in parallel): Do not use footnotes.
4613 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4616 * doc/install.texi (Configuration): Document --disable-libgomp.
4618 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4620 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4622 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4624 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4625 (vec_extractv2df_0_sse): New.
4627 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4629 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4630 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4631 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4632 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4633 to the result of the expression.
4634 (def_cfa_1): Adjust.
4635 (frame_pointer_cfa_offset): Rename to...
4636 (frame_pointer_fb_offset): ... this. Adjust all uses.
4637 (convert_cfa_to_loc_list): Rename to...
4638 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4639 Pass it on to build_cfa_loc.
4640 (compute_frame_pointer_to_cfa_displacement): Rename to...
4641 (compute_frame_pointer_to_fb_displacement): ... this. New
4642 offset parameter. Use it in computation.
4643 (gen_subprogram_die): Compute cfa_fb_offset with the new
4644 macro, and use it to compute the fb loc list and the
4647 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4649 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4650 replaced with register_operand.
4651 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4652 non-DREG is expensive.
4653 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4654 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4657 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4659 * doc/install.texi2html: Use set -e.
4661 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4663 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4664 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4665 * doc/invoke.texi (-fshared-data): Delete.
4666 * common.opt (fshared-data): Delete.
4667 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4668 (assemble_static_space): Remove #if 0 code.
4669 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4670 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4671 * config/cris/cris.h: Remove FIXME.
4673 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4675 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4678 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4681 * combine.c (simplify_shift_const_1): Disable nested shifts
4682 optimization for vector shifts.
4684 2006-02-20 Roger Sayle <roger@eyesopen.com>
4686 PR tree-optimization/26361
4687 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4688 of unsigned integer types.
4690 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4692 * tree-chrec.c (eq_evolutions_p): New.
4693 * tree-chrec.h (eq_evolutions_p): Declared.
4694 * tree-data-ref.c: Fix formatting.
4695 (datadep_stats, dependence_stats): New.
4697 (print_direction_vector): New.
4698 (dump_data_dependence_relation): Use print_direction_vector.
4699 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4700 (compute_subscript_distance): Static.
4701 (initialize_data_dependence_relation): Static. Get the number
4702 of loops surrounding the references from the callers, and initialize
4703 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4704 base_object_differ_p analyzers.
4705 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4706 compute_overlap_steps_for_affine_1_2,
4707 analyze_subscript_affine_affine): Count the classified dependences.
4708 Print a message when a test failed.
4709 (can_use_analyze_subscript_affine_affine): New.
4710 (analyze_siv_subscript): Compute the data dependences on symbolic
4711 scevs that verify can_use_analyze_subscript_affine_affine.
4712 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4713 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4714 Handle symbolic scevs.
4715 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4717 (subscript_dependence_tester): Moved...
4718 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4719 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4720 DDR_SIZE_VECT instead of getting it in parameter.
4721 (subscript_dependence_tester): ... here. Take as a parameter
4722 loop_nest_depth. Call build_classic_dist_vector and
4723 build_classic_dir_vector.
4724 (compute_affine_dependence): Update subscript_dependence_tester
4725 parameters. Update datadep_stats counters. Call
4726 compute_subscript_distance.
4727 (compute_self_dependence): Save the dist and dir vectors. Call
4728 compute_subscript_distance.
4729 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4730 (compute_all_dependences): Reorder parameters as they were before
4731 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4732 compute_subscript_distance. Update the use of
4733 compute_affine_dependence and initialize_data_dependence_relation.
4734 (find_data_references_in_loop): Handle COMPONENT_REF.
4735 (compute_data_dependences_for_loop): Initialize dependence_stats.
4736 Don't call build_classic_dist_vector and build_classic_dir_vector.
4737 Update the parameters of initialize_data_dependence_relation and
4738 compute_all_dependences. Print the statistics from datadep_stats.
4739 (analyze_all_data_dependences): Static. Not used until the pass for
4740 checking the data dependences is contributed.
4741 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4742 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4743 (initialize_data_dependence_relation, compute_affine_dependence,
4744 analyze_all_data_dependences, compute_subscript_distance): Removed.
4745 (print_direction_vector): New.
4746 * lambda.h (gcd): ... here.
4747 (lambda_vector_gcd): Moved here from gcd_vector.
4748 * lambda-code.c (gcd, gcd_vector): Removed.
4749 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4750 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4752 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4754 * ipa-type-escape.c: Tidy some comments and white space.
4755 * tree-ssa-operands.c: Likewise.
4757 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4760 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4761 (dump_decl_name): Do not walk the decl tree chains.
4762 * tree-pass.h (TDF_CHAIN): Remove.
4764 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4766 * Makefile.in (C): Remove
4768 (.PHONY): Remove C and PROTO
4770 2006-02-20 Roger Sayle <roger@eyesopen.com>
4773 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4774 deprecated CHAR_TYPE tree code.
4776 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4778 * configure.ac (target_list): Add install-info, dvi, html.
4779 * configure: Regenerate.
4781 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4782 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4783 treelang/Make-lang.in: Do not use double-colon rules.
4785 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4787 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4788 (TMT_USED_ALONE): New macro.
4789 * tree-pass.h (PROP_tmt_usage): New property.
4790 (TODO_update_tmt_usage): New todo.
4791 * tree-ssa-alias.c (updating_used_alone): New variable.
4792 (recalculate_used_alone): New function.
4793 (compute_may_aliases): Set updating_used_alone, call
4794 recalculate_used_alone.
4795 * tree-sra.c (pass_sra): Note that this pass destroys
4796 PROP_tmt_usage, and add TODO_update_tmt_usage.
4797 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4798 * tree-flow.h (updating_used_alone): Prototype.
4799 (recalculate_used_alone): Ditto.
4800 * passes.c (execute_todo): Add code to set updating_used_alone,
4801 and call recalculate.
4802 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4803 for clobber if used alone, and add assert to verify used_alone
4806 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4808 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4809 for non tls symbols added.
4810 (legitimize_address): Do nothing for PLUS expressions if one of the
4811 addends is a tls symbol reference.
4813 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4817 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4819 * Makefile.in (BOOTSTRAPPING): New.
4820 (quickstrap): New definition if BOOTSTRAPPING=yes.
4822 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4823 * configure.ac: Substitute all_selected_languages with the languages
4824 that were configured. For all the other variables except
4825 lang_specs_files, include all the languages in the tree.
4826 * configure: Regenerate.
4828 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4829 if there is one. Run the commands to run fixincludes in the same
4832 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4833 * doc/install.texi: Document exact conventions for searching target tools.
4834 Document --with-build-time-tools. Document toplevel bootstrap. Document
4835 something more about building an Ada cross-compiler. Don't list GNU Make
4836 requirements which affect all platforms.
4838 2006-02-19 Roger Sayle <roger@eyesopen.com>
4841 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4842 only equivalent if the have both the same mode and precision.
4844 2006-02-20 Ben Elliston <bje@au.ibm.com>
4846 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4848 2006-02-19 Roger Sayle <roger@eyesopen.com>
4849 Steven Bosscher <stevenb.gcc@gmail.com>
4851 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4852 constant pool references to identify stack mode constants.
4853 * rtlanal.c (constant_pool_constant_p): New predicate to check
4854 whether operand is a floating point constant in the pool.
4855 * rtl.h (constant_pool_constant_p): Prototype here.
4856 * loop.c (scan_loop): Avoid hoisting constants from the constant
4857 pool on STACK_REGS targets.
4858 (load_mems): Likewise.
4859 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4860 loads into x87 registers expensive in terms of register pressure.
4862 2006-02-19 Roger Sayle <roger@eyesopen.com>
4864 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4865 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4867 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4869 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4870 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4872 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4874 * doc/invoke.texi: Document -fipa-pta.
4875 * common.opt: Add ipa-pta option.
4876 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4877 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4878 (do_ds_constraint): Ditto.
4879 (get_constraint_for): Only add to referenced_vars if
4880 referenced_vars exists.
4881 (insert_into_field_list): Rewrite to do this unsorted.
4882 (insert_into_field_list_sorted): Rename old insert_into_field_list
4884 (create_function_info_for): Use insert_into_field_list_sorted.
4885 (create_variable_info_for): Rewrite so it uses unsorted version,
4886 since the field list is sorted.
4887 (intra_create_variable_infos): Only add to referenced_vars if
4888 referenced_vars exists.
4889 (ipa_pta_execute): Init heapvars, and delete when done.
4890 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4892 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4894 * doc/install.texi: Add missing `@samp'.
4896 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4898 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4901 2006-02-18 Mark Wielaard <mark@klomp.org>
4903 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4904 who added new 4.1 features, bug fixes and integration support.
4906 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4909 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4912 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4914 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4915 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4916 (copy_insn_1): Likewise. Don't copy each field individually.
4918 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4920 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4921 * rtl.c (rtx_size): Rename variable to...
4922 (rtx_code_size): ...this.
4923 (rtx_size): New function.
4924 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4925 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4927 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4928 * rtl.h (rtx_code_size): New variable.
4929 (rtx_size): Change from a variable to a function.
4930 (RTX_SIZE): Rename to...
4931 (RTX_CODE_SIZE): ...this.
4934 PR tree-optimization/17106
4935 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4936 (Anchored Addresses): New section.
4937 * doc/invoke.texi (-fsection-anchors): Document.
4938 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4939 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4940 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4941 * hooks.c (hook_bool_mode_rtx_false): New function.
4942 * hooks.h (hook_bool_mode_rtx_false): Declare.
4943 * gengtype.c (create_optional_field): New function.
4944 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4945 SYMBOL_REF_IN_BLOCK_P is true.
4946 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4947 (min_anchor_offset, max_anchor_offset): Likewise.
4948 (use_anchors_for_symbol_p): New hook.
4949 * toplev.c (compile_file): Call output_object_blocks.
4950 (target_supports_section_anchors_p): New function.
4951 (process_options): Check that -fsection-anchors is only used on
4952 targets that support it and when -funit-at-a-time is in effect.
4953 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4954 if the decl doesn't have one.
4955 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4956 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4957 of force_const_mem through use_anchored_address.
4958 (expand_expr_constant): New function.
4959 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4960 calling expand_expr for INDIRECT_REF.
4961 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4962 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4963 * expr.h (use_anchored_address): Declare.
4964 * loop-unroll.c: Don't declare rtx vectors here.
4965 * explow.c: Include output.h.
4966 (validize_mem): Call use_anchored_address.
4967 (use_anchored_address): New function.
4968 * common.opt (-fsection-anchors): New switch.
4969 * varasm.c (object_block_htab, anchor_labelno): New variables.
4970 (hash_section, object_block_entry_eq, object_block_entry_hash)
4971 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4972 (use_blocks_for_decl_p, change_symbol_section): New functions.
4973 (get_variable_section): New function, split out from assemble_variable.
4974 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4975 use_blocks_for_decl_p say so. Use change_symbol_section if the
4976 symbol has already been created.
4977 (assemble_variable_contents): New function, split out from...
4978 (assemble_variable): ...here. Don't output any code for
4979 block symbols; just pass them to place_block_symbol.
4980 Use get_variable_section and assemble_variable_contents.
4981 (get_constant_alignment, get_constant_section, get_constant_size): New
4982 functions, split from output_constant_def_contents.
4983 (build_constant_desc): Create a block symbol if use_object_blocks_p
4984 says so. Or into SYMBOL_REF_FLAGS.
4985 (assemble_constant_contents): New function, split from...
4986 (output_constant_def_contents): ...here. Don't output any code
4987 for block symbols; just pass them to place_section_symbol.
4988 Use get_constant_section and get_constant_alignment.
4989 (force_const_mem): Create a block symbol if use_object_blocks_p and
4990 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4991 (output_constant_pool_1): Add an explicit alignment argument.
4992 Don't switch sections here.
4993 (output_constant_pool): Adjust call to output_constant_pool_1.
4994 Switch sections here instead. Don't output anything for block symbols;
4995 just pass them to place_block_symbol.
4996 (init_varasm_once): Initialize object_block_htab.
4997 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4998 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4999 (place_block_symbol, get_section_anchor, output_object_block)
5000 (output_object_block_htab, output_object_blocks): New functions.
5001 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5002 (TARGET_ASM_OUT): Include it.
5003 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5004 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5005 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5006 (TARGET_INITIALIZER): Include them.
5007 * rtl.c (rtl_check_failed_block_symbol): New function.
5008 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5009 (block_symbol, object_block): New structures.
5010 (rtx_def): Add a block_symbol field to the union.
5011 (BLOCK_SYMBOL_CHECK): New macro.
5012 (rtl_check_failed_block_symbol): Declare.
5013 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5014 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5015 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5016 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5017 * output.h (output_section_symbols): Declare.
5018 (object_block): Name structure.
5019 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5020 (default_use_anchors_for_symbol_p): Declare.
5021 * Makefile.in (RTL_BASE_H): Add vec.h.
5022 (explow.o): Depend on output.h.
5023 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5024 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5025 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5026 (rs6000_use_blocks_for_constant_p): New function.
5028 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5030 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5032 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5035 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5038 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5040 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5044 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5047 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5048 instead of DECL_REGISTER.
5050 2006-02-18 Olivier Hainque <hainque@adacore.com>
5053 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5055 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5058 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5059 * opth-gen.awk: Handle Var and InverseMask together.
5060 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5061 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5062 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5063 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5065 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5066 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5067 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5068 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5069 LINUX_DYNAMIC_LINKER): Define.
5070 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5071 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5073 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5074 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5075 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5076 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5077 (TARGET_C99_FUNCTIONS): Don't define.
5078 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5079 GLIBC_DYNAMIC_LINKER.
5080 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5081 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5082 GLIBC_DYNAMIC_LINKER64): Define.
5083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5084 LINUX_DYNAMIC_LINKER64.
5085 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5087 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5089 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5091 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5092 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5093 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5095 and LINUX_DYNAMIC_LINKER32.
5096 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5098 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5100 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5102 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5103 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5104 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5105 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5106 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5107 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5108 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5109 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5110 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5111 LINUX_DYNAMIC_LINKER): Define.
5112 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5113 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5114 GLIBC_DYNAMIC_LINKER64): Define.
5115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5116 LINUX_DYNAMIC_LINKER64.
5117 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5118 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5119 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5120 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5121 LINUX_DYNAMIC_LINKER): Define.
5122 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5123 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5124 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5125 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5126 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5127 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5128 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5129 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5130 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5131 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5133 * doc/invoke.texi (-muclibc): Remove caveat about supported
5136 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5138 * doc/cpp.texi (__TIMESTAMP__): Document.
5140 2006-02-17 Roger Sayle <roger@eyesopen.com>
5143 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5144 C is one less than the width of X (and related transformations).
5145 * simplify-rtx.c (simplify_unary_operation_1): Transform
5146 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5147 depending on STORE_FLAG_VALUE, were C is one less then the
5150 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5152 Fix PR tree-optimization/26341
5153 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5154 about NAME_MEMORY_TAG's.
5156 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5159 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5160 with hardware float support, and software float support. Add fcpy
5161 alternative to hardware patterns. Add alternatives to copy between
5162 general and floating-point registers to the 32-bit pattern.
5163 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5164 secondary reload to load a QI or HI mode constant into a floating
5166 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5167 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5169 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5172 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5174 (load_macho_picbase_di): Likewise.
5176 2006-02-16 Jeff Law <law@redhat.com>
5178 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5179 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5180 (ssa_name_nonzero_p): Likewise.
5181 (get_value_range): Return NULL if VRP is not running.
5182 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5183 VRP routines do not discover a range.
5184 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5185 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5186 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5187 (tree_expr_nonnegative_p): Similarly.
5188 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5189 (restore_nonzero_vars_to_original_value): Remove.
5190 (unsafe_associative_fp_binop): Remove.
5191 (tree_ssa_dominator_optimize): Remove initialization and
5192 finalization of nonzero_vars and nonzero_vars_stack.
5193 (dom_opt_initialize_block): No longer push marker on
5195 (dom_opt_finalize_block): No longer call
5196 restore_nonzero_vars_to_original_value.
5197 (record_equivalences_from_phis): No longer look for
5198 nonzero PHI arguments.
5199 (cprop_into_successor_phis): No longer propagate nonzero
5200 property into PHI arguments. Lose unused argument. Caller
5202 (record_equivalences_from_stmt): No longer record nonzero
5203 values for SSA_NAMEs.
5204 (lookup_avail_expr): No longer use nonzero_vars.
5206 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5207 for sizetype when sizetype is unsigned.
5209 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5211 PR rtl-optimization/25603
5212 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5213 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5214 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5215 with new meaning of SETS.
5217 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5222 * config/linux.opt: New file.
5223 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5224 LINUX_DYNAMIC_LINKER): Define.
5225 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5226 * config.gcc (*-*-linux*): Define extra_options.
5227 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5228 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5229 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5230 GLIBC_DYNAMIC_LINKER.
5231 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5232 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5233 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5234 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5235 * doc/invoke.texi (GNU/Linux Options): New section.
5237 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5239 * config/sparc/sparc.md (setjmp): Rewrite.
5240 (setjmp_32): Delete.
5241 (setjmp_64): Likewise.
5243 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5245 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5248 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5250 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5253 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5255 PR rtl-optimization/26296
5256 * Makefile.in (loop-invariant.c): Add except.h dependency.
5257 * loop-invariant.c: Include except.h.
5258 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5260 2005-02-16 Paul Brook <paul@codesourcery.com>
5262 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5265 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5267 PR rtl-optimization/25636
5268 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5269 when deciding whether an insn is an initializing insn.
5271 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5273 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5274 (tree_code_size): Ditto.
5275 * tree.h (struct tree_memory_tag): Remove parent_var.
5276 (struct tree_struct_field_tag): New.
5279 (union tree_node): Add sft member.
5280 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5282 (create_sft): Add size and offset argument, set SFT_OFFSET and
5284 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5285 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5286 * tree-flow-inline.h (get_subvar_at): Update for
5287 SFT_OFFSET/SFT_SIZE.
5288 (var_can_have_subvars): Ditto.
5289 (overlap_subvar): Ditto.
5290 * print-tree.c (print_node): Print out interesting things for
5292 * tree-flow.h (struct subvar): Remove offset and size members.
5293 * tree-ssa-operands.c (get_expr_operands): Update for
5294 get_indirect_ref_operands changes.
5295 (get_indirect_ref_operands): Call add_virtual_operand instead of
5296 add_stmt_operand. Only recurse on base var if requested.
5297 (access_can_touch_variable): New function.
5298 (add_stmt_operand): Split virtual operand handling into ...
5299 (add_virtual_operand): Here. Add offset, size, and for_clobber
5300 arguments. Prune alias sets.
5301 (add_call_clobber_ops): Call add_virtual_operand.
5303 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5306 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5308 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5309 than TREE_CODE as index into omp_clause_num_ops array.
5311 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5313 PR rtl-optimization/26184
5314 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5316 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5317 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5318 must_precede, must_follow and tobe_scheduled.
5321 * opts.c (common_handle_option): Free new_option pointer.
5322 * df-core.c (df_analyze): Free postorder pointer.
5324 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5326 * Makefile.in: Fix the examples about the use of stamps
5328 2006-02-15 Michael Matz <matz@suse.de>
5332 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5333 influenced by maximum_field_alignment or DECL_PACKED.
5334 (update_alignment_for_field): Ditto.
5335 (place_field): Ditto.
5336 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5339 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5341 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5342 (debug_flow_info): Pass it.
5343 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5344 * bb-reorder.c (reorder_basic_blocks): Likewise.
5345 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5346 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5347 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5348 * gcse.c (gcse_main, bypass_jumps): Likewise.
5349 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5350 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5351 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5352 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5353 * rtl.h (dump_flow_info): Adjust prototype.
5354 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5355 * var-tracking.c (variable_tracking_main): Likewise.
5356 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5357 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5360 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5362 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5365 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5367 PR tree-optimization/26209
5368 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5369 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5371 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5373 2006-02-14 Roger Sayle <roger@eyesopen.com>
5376 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5377 (X,Y) and the corresponding symmetry related transformations.
5378 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5379 (X,Y) and its symmetry related transformations.
5381 2006-02-14 Roger Sayle <roger@eyesopen.com>
5383 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5386 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5388 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5390 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5393 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5394 support COMDAT group.
5395 * configure: Regenerate.
5397 2006-02-14 Roger Sayle <roger@eyesopen.com>
5402 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5404 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5406 Fix PR tree-optimization/26260
5408 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5410 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5411 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5412 * tree-ssa-structalias.c (create_variable_info_for): Use
5413 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5415 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5417 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5419 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5420 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5421 of the ending condition.
5422 * tree-ssa-loop-manip.c: Include params.h.
5423 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5424 tree_unroll_loop): New functions.
5425 * tree-pass.h (pass_loop_prefetch): Declare.
5426 * loop.c (rest_of_handle_loop_optimize): Test for
5427 -fprefetch-loop-arrays-rtl.
5428 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5429 * timevar.def (TV_TREE_PREFETCH): New timevar.
5430 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5431 pass_loop_prefetch): New.
5432 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5433 (cleanup_tree_cfg_loop): Call scev_reset.
5434 * common.opt (fprefetch-loop-arrays-rtl): Add.
5435 * tree-ssa-loop-prefetch.c: New file.
5436 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5437 (new_temp_expr_table): Initialize expr_vars.
5438 (free_temp_expr_table): Cleanup expr_vars.
5439 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5440 expressions from being merged into one.
5441 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5442 (struct tree_niter_desc): Add control, bound and cmp fields.
5443 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5445 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5446 (tree-cfgcleanup.o): Add SCEV_H dependency.
5447 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5448 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5450 2006-02-14 Richard Guenther <rguenther@suse.de>
5452 PR tree-optimization/26258
5453 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5454 in PHI argument processing.
5456 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5458 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5459 new expression in the requested machine mode.
5461 2006-02-13 Roger Sayle <roger@eyesopen.com>
5463 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5464 directly, instead let do_compare_rtx_and_jump handle this for us.
5465 * expr.c (expand_expr_real_1): Likewise.
5466 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5467 before do_jump_by_parts_greater.
5468 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5469 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5471 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5473 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5475 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5477 PR rtl-optimization/26235
5478 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5479 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5482 2006-02-13 Jeff Law <law@redhat.com>
5484 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5487 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5490 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5491 twice if decl is a builtin. When trying again, call get_callee_fndecl
5492 first to verify it is still a builtin.
5494 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5496 * dwarf2out.c (base_type_die): Don't add AT_name here.
5497 (subrange_type_die): Don't add AT_name here.
5498 (modified_type_die): Rearrange code flow. Do add AT_name here.
5500 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5502 PR rtl-optimization/26247
5503 PR rtl-optimization/26248
5504 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5506 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5508 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5509 * config/fixtfdi.c: Likewise.
5510 * config/fixunstfdi.c: Likewise.
5511 * config/floatditf.c: Likewise.
5513 2006-02-13 Roger Sayle <roger@eyesopen.com>
5516 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5517 into (X,C2) if C1 is a subset of the bits of C2. Transform
5518 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5520 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5522 2006-02-13 Josh Conner <jconner@apple.com>
5525 * varasm.c (function_section): Check for section name before
5526 calling select_section on targets that define
5527 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5528 unlikely_text_section instead of hot_function_section if
5529 first_function_block_is_cold.
5531 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5534 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5536 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5538 PR rtl-optimization/26222
5539 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5540 after tree->rtl expansion.
5541 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5542 before passing it to emit_move_insn.
5544 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5546 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5548 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5549 Clarify documentation.
5550 * c-common.h (warn_write_strings): Remove.
5551 * c-common.c (warn_write_strings): Likewise.
5552 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5555 2006-02-12 Roger Sayle <roger@eyesopen.com>
5558 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5559 (do_jump_parts_zero_rtx): New function renamed from
5560 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5561 (do_jump_parts_equality_rtx): New function split out from
5562 do_jump_parts_equality. Old implementation renamed as above.
5563 Call do_jump_parts_zero_rtx if either operand is zero.
5564 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5565 do all of the heavy lifting.
5566 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5567 calling either do_jump_by_parts_greater_rtx or
5568 do_jump_by_parts_equality_rtx.
5569 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5570 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5571 moved to do_compare_rtx_and_jump, call it directly.
5572 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5573 mode argument. Call do_compare_rtx_and_jump.
5574 (emit_case_nodes): Update calls to do_jump_if_equal.
5576 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5578 PR rtl-optimization/26225
5579 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5581 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5583 PR rtl-optimization/26232
5584 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5586 2006-02-11 Jason Merrill <jason@redhat.com>
5589 * tree-inline.c (declare_return_variable): Just don't use the
5590 modify target if it's a gimple complex reg and the return slot
5593 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5595 * doc/contrib.texi: Update my entry.
5597 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5599 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5601 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5603 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5606 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5608 * doc/invoke.texi (-floop-optimize2): Removed.
5609 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5610 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5611 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5612 * common.opt (floop-optimize2): Removed.
5613 (fmove-loop-invariants): Enabled by default.
5615 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5617 * tree-if-conv.c (combine_blocks): Free the result of
5618 get_loop_exit_edges.
5620 2006-02-10 Jeff Law <law@redhat.com>
5622 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5624 PR tree-optimization/26213
5625 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5626 loop trying to follow SSA_NAME_VALUE chains.
5628 2006-02-10 Richard Guenther <rguenther@suse.de>
5630 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5631 deal with structures that end in implicitly variable sized arrays.
5633 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5635 PR rtl-optimization/24762
5636 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5639 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5641 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5642 (struct ivopts_data): Add regs_used field.
5643 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5644 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5645 instead of loop_data->regs_used;
5646 (free_loop_data): Do not free aux fields for loops.
5647 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5648 and tree_ssa_iv_optimize_finalize.
5650 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5652 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5654 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5657 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5658 computing the effective result type.
5660 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5663 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5664 (tree_overlaps_hard_reg_set): Declare.
5665 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5666 type and signature to match function type expected by walk_tree.
5667 (tree_overlaps_hard_reg_set): New function.
5668 (decl_conflicts_with_clobbers_p): Rename to:
5669 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5670 Use tree_overlaps_hard_reg_set. Changed caller.
5671 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5672 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5673 * cris.c (cris_md_asm_clobbers): Likewise.
5675 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5677 * reload1.c (emit_input_reload_insns): Delete code that tries to
5678 inherit using find_equiv_reg.
5680 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5682 * c-common.h (flag_const_strings): Don't declare.
5683 * c-common.c (flag_const_strings): Remove.
5684 * c.opt (fconst_strings): Remove.
5685 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5686 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5687 (c_common_init_options): Don't set flag_const_strings.
5688 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5690 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5692 * arm.md (tlobits_cbranch): New pattern.
5693 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5694 testing a single bit.
5696 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5699 * tree-ssa-pre.c (create_component_ref_by_pieces):
5700 Handle RETURN_DECL like VAR_DECL.
5702 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5705 * fold-const.c (fold_indirect_ref_1): Fold
5706 "*(foo *)&complexfoo" to "__real__ complexfoo"
5707 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5709 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5711 * tree-flow-inline.h (var_can_have_subvars):
5712 Volatile variables should not have subvariables.
5714 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5717 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5718 multiplying unsigned values.
5721 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5723 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5725 2006-02-08 Jason Merrill <jason@redhat.com>
5728 * tree.def: Elaborate on difference from MODIFY_EXPR.
5729 * doc/c-tree.texi (INIT_EXPR): Likewise.
5730 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5731 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5732 (gimplify_target_expr): Likewise.
5733 (gimplify_cond_expr): Remove target handling.
5734 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5735 (gimplify_expr): Clobber it here.
5736 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5737 Do return slot optimization if we have an INIT_EXPR.
5740 * tree-inline.c (declare_return_variable): Also clear
5741 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5744 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5747 * gimplify.c (gimplify_one_sizepos): Fix typo.
5749 2006-02-08 Jeff Law <law@redhat.com>
5751 PR tree-optimization/21417
5752 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5753 across a backedge if the control statement at the end of the
5754 block is data dependent on other statements in the same block.
5755 (record_temporary_equivalences_from_stmts): Remove over-conservative
5756 test for threading across backedges.
5758 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5759 control statement, handle all three special cases in the same
5760 manner as they all have the same desired solution. No longer
5761 special case edge flag updating when the post dominator is
5764 2006-02-08 Roger Sayle <roger@eyesopen.com>
5766 * tree.def (CHAR_TYPE): Remove.
5767 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5768 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5769 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5770 (gen_string_type_die): Delete unreachable function.
5772 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5773 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5774 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5775 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5776 * builtins.c (type_to_class): Likewise.
5777 * fold-const.c (fold_convert, build_range_check,
5778 merge_ranges): Likewise.
5779 * expr.c (count_type_elements): Likewise.
5780 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5781 * stor-layout.c (layout_type): Likewise.
5782 * ipa-type-escape.c (type_to_consider): Likewise.
5783 * gimplify.c (omp_firstprivatize_type_sizes,
5784 gimplify_type_sizes): Likewise.
5785 * explow.c (promote_mode): Likewise.
5786 * tree-sra.c (is_sra_scalar_type): Likewise.
5787 * varasm.c (output_constant): Likewise.
5788 * tree-inline.c (remap_type_1): Likewise.
5789 * convert.c (convert_to_pointer, convert_to_real,
5790 convert_to_integer, convert_to_complex): Likewise.
5792 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5794 * df-scan.c (df_def_record_1): A set destination may
5795 be a parallel regardless of mode.
5797 2006-02-08 Roger Sayle <roger@eyesopen.com>
5800 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5801 * config/mips/_tilib.c: Remove.
5802 * config/fixtfdi.c: New libgcc source file.
5803 * config/fixunstfdi.c: New source file.
5804 * config/floatditf.c: New source file.
5805 * config/floatunditf.c: New souce file.
5806 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5807 files above instead of config/mips/_tilib.c.
5808 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5810 2006-02-08 Jeff Law <law@redhat.com>
5812 PR tree-optimization/26169
5813 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5816 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5818 * df.h (DF_REG_SIZE): Return the length of the initialized
5821 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5823 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5824 __muldf3): Return a correctly signed zero.
5826 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5828 * passes.c (register_one_dump_file): Accept the current properties
5829 instead of pass number. Adjust call to dump_register. Remove
5831 (register_dump_files): Now a wrapper around...
5832 (register_dump_files_1): ... this one. Do not modify the pass
5834 (next_pass_1): Cosmetic fix.
5835 (execute_todo): Keep second parameter only. Use curr_properties
5836 instead of fetching it from the pass structure. Check and set
5838 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5839 instead of fetching it from the pass structure. Fix calls to
5840 execute_todo. Update curr_properties and initialize .vcg RTL dump
5841 after running the pass. Reset last_verified.
5842 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5844 (FIRST_AUTO_NUMBERED_DUMP): New.
5845 (dump_register): Remove "num" parameter, assign it within the
5847 (get_dump_file_name): Modify template for dumps.
5848 * tree-dump.h (dump_register): Adjust prototype.
5849 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5850 (PROP_trees): Add PROP_gimple_lomp.
5851 (TODO_set_props): New.
5852 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5853 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5854 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5856 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5858 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5859 (sparc64-*-linux*): Likewise.
5860 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5861 * config/sparc/t-linux: New file.
5862 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5863 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5864 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5865 -m32 -mlong-double-128.
5867 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5868 * config/alpha/t-linux: New file.
5869 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5871 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5872 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5873 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5874 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5875 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5876 (CPP_ARCH32_SPEC): Remove.
5878 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5880 PR tree-optimization/26145
5881 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5884 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5887 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5888 >= 240000 when generating code for SOM runtime.
5889 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5890 to $$dyncall when generating code for SOM runtime..
5892 2006-02-07 Dirk Mueller <dmueller@suse.com>
5895 * doc/invoke.texi (-Wsequence-point): Update documentation
5896 that -Wsequence-point is implemented for C++ as well.
5898 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5900 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5901 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5902 (LIB_SPEC): Likewise.
5903 * doc/invoke.texi (SPARC options): Document -pthread.
5905 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5907 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5910 2006-02-07 Roger Sayle <roger@eyesopen.com>
5912 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5913 Correct comment describing BOOLEAN_TYPE.
5915 2006-02-07 Dirk Mueller <dmueller@suse.com>
5917 * c.opt: C++ frontend supports -Wdiv-by-zero.
5918 * c-opts.c (c_common_handle_option): Remove dead case.
5920 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5922 * configure.ac (TLS assembler check): Do not enable TLS by
5923 default on SPARC/Solaris before version 10.
5924 * configure: Regenerate.
5926 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5928 * doc/invoke.texi (xl-compat): Document conversion and support
5931 2006-02-07 Jeff Law <law@redhat.com>
5933 * tree-vrp.c (find_conditional_asserts): Update comments.
5934 (simplify_stmt_for_jump_threading): New.
5935 (identify_jump_threads, finalize_jump_threads): New.
5936 (vrp_finalize): Call identify_jump_threads.
5937 (execute_vrp): Call finalize_jump_threads.
5938 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5939 (vrp_element, vrp_data, vrp_element_p): Remove.
5940 (vrp_hash_elt, vrp_variables_stack): Remove.
5941 (vrp_hash, vrp_eq, record_range): Remove.
5942 (simplify_cond_and_lookup_avail_expr): Remove.
5943 (extract_range_from_cond): Remove.
5944 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5945 (simplify_stmt_for_jump_threading): New.
5946 (dom_thread_across_edge): New wrapper.
5947 (tree_ssa_dominator_optimize): No longer initialize or
5948 finalize any of the VRP datastructures. Remove iteration
5949 step and simplify as a result of removal of iteration step.
5950 (pass_dominator): Perform a cfg cleanup after DOM.
5951 (dom_opt_finalize_block): Use the new common routines
5952 for threading jumps. Simplify stack management slightly.
5953 No longer need to unwind VRP state.
5954 (record_equivalences_from_incoming_edge): No longer record
5956 (eliminate_redundant_computations): No longer call
5957 simplify_cond_and_lookup_avail_expr.
5958 * tree-flow.h (potentially_threadable_block): Prototype.
5959 (thread_across_edge): Likewise.
5960 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5961 (tree-ssa-threadedge.o): Add dependencies.
5962 * tree-ssa-threadedge.c: New file.
5963 * passes.c (init_optimization_passes): Merge PHIs before
5964 calling VRP. Run VRP again late in the SSA optimization pipeline.
5966 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5968 * df-core.c (df_set_blocks): Do not dereference function pointers.
5969 (df_finish1): Likewise.
5970 (df_hybrid_search_forward): Likewise.
5971 (df_hybrid_search_backward): Likewise.
5972 (df_iterative_dataflow): Likewise.
5973 (df_analyze_problem): Likewise.
5974 (df_compact_blocks): Likewise.
5975 (df_dump): Likewise.
5976 * df-scan.c (df_rescan_blocks): Likewise.
5977 (df_record_entry_block_defs): Likewise.
5979 * genconditions.c (write_conditions): Guard the definition of
5980 'insn_conditions' with the check on GCC version.
5981 (write_writer): Guard the traversal 'insn_conditions' with
5982 the check on GCC version.
5984 2006-02-07 Richard Guenther <rguenther@suse.de>
5988 2006-01-30 Richard Guenther <rguenther@suse.de>
5990 * gimplify.c (gimplify_target_expr): Handle easy cases
5991 without creating a temporary.
5993 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5995 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5996 use of float in probability computations. Use edge probabilities
5997 in place of statically computed probabilities.
5998 (min_spec_prob): New static variable.
5999 (schedule_insns): Initialize it.
6000 (GET_SRC_PROB): Removed.
6001 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6003 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6006 * config/ia64/unwind-ia64.c: Revert last change.
6007 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6008 (INCOMING_FRAME_SP_OFFSET): Define.
6010 2006-02-06 Roger Sayle <roger@eyesopen.com>
6012 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6014 2006-02-07 Ben Elliston <bje@au.ibm.com>
6016 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6017 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6018 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6019 (ix86_return_in_memory): Handle TDmode.
6020 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6021 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6023 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6025 * reorg.c (dbr_schedule): Use dump_file instead of file.
6027 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6030 * config/ia64/predicates.md (extr_len_operand): New predicate.
6031 * config/ia64/ia64.md (extv): Tighten constraints.
6033 (*tbit_and_2): Ditto.
6034 (*tbit_and_3): Ditto.
6035 (*tbit_or_2): Ditto.
6036 (*tbit_or_3): Ditto.
6040 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6043 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6045 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6047 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6048 loop_optimizer_init and loop_optimizer_finalize
6049 * tree-ssa-sink.c (execute_sink_code): Ditto.
6050 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6051 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6052 tree_ssa_loop_done): Ditto.
6053 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6054 * sched-ebb.c: Include output.h.
6055 (schedule_ebbs): Do not use dump argument.
6056 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6057 * loop.c (loop_dump_stream): Removed.
6058 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6060 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6061 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6062 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6063 loop_iterations, strength_reduce, record_biv, record_giv,
6064 final_giv_value, check_final_value, check_ext_dependent_givs,
6065 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6066 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6067 dump_file instead of loop_dump_stream.
6068 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6070 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6072 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6073 * haifa-sched.c: Include output.h
6074 (schedule_insns, sched_init): Do not use dump argument.
6075 * mode-switching.c (optimize_mode_switching): Ditto.
6076 * modulo-sched.c (stats_file): Removed.
6077 (print_node_sched_params): Do not call argument dump_file.
6078 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6079 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6081 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6083 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6084 rtl_loop_init, rtl_loop_done): Ditto.
6085 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6086 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6088 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6089 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6090 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6091 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6092 * emit-rtl.c (renumber_insns): Ditto.
6093 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6094 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6095 * regclass.c (regclass): Ditto.
6096 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6097 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6098 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6099 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6101 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6102 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6104 * gcse.c (gcse_file, debug_stderr): Removed.
6105 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6106 rest_of_handle_gcse): Do not use dump argument.
6107 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6108 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6109 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6110 compute_code_hoist_vbeinout, compute_code_hoist_data,
6111 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6112 compute_store_table, build_store_vectors, insert_insn_start_bb,
6113 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6114 store_motion): Use dump_file instead of gcse_file.
6115 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6116 * profile.c (profile_dump_file): Removed.
6117 (branch_prob): Use dump_file instead of profile_dump_file.
6118 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6120 * tree-ssa-copy.c (dump_copy_of): Ditto.
6121 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6122 dump file to life_analysis.
6123 * bt-load.c (branch_target_load_optimize): Ditto.
6124 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6126 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6127 regclass, dbr_schedule): Declaration changed.
6128 * sched-int.h (sched_init): Declaration changed.
6129 * tree-profile.c (tree_profile_dump_file): Removed.
6130 (tree_profile_hooks): Removed profile_dump_file hook.
6131 * rtl-profile (rtl_profile_dump_file): Removed.
6132 (rtl_profile_hooks): emoved profile_dump_file hook.
6133 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6135 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6136 * tree-cfg.c (build_tree_cfg): Ditto.
6137 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6138 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6139 Declaration changed.
6140 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6141 life_analysis and schedule_insns.
6142 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6144 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6146 * config/mips/mips.c (mips_reorg): Ditto.
6147 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6150 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6152 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6153 (s390_mangle_fundamental_type): New.
6154 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6157 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6158 (alpha_mangle_fundamental_type): New.
6159 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6162 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6164 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6166 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6167 (sparc_mangle_fundamental_type): New.
6169 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6171 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6172 (s390x-*-linux*): Likewise.
6173 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6174 * config/s390/t-linux: New file.
6176 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6178 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6179 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6181 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6183 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6184 (ANTIC_SAFE_LOADS): New macro.
6185 (find_or_generate_expression): Add prototype.
6186 (set_contains_value): Allow null set for sake of not always having
6187 to allocate ANTIC_SAFE_LOADS.
6188 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6189 Allow COMPONENT_REF too.
6190 (valid_in_set): Allow COMPONENT_REF.
6191 Check ANTIC_SAFE_LOADS too.
6192 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6193 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6195 (can_PRE_operation): Add COMPONENT_REF.
6196 (create_component_ref_by_pieces): New function.
6197 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6198 (insert_aux): Move AGGREGATE_TYPE_P check here.
6199 (compute_avail): Set bb local stmt uids.
6200 (pass_pre): Use TODO_update_ssa_only_virtuals.
6202 2006-02-06 Ben Elliston <bje@au.ibm.com>
6204 * configure.ac: Unconditionally disable decimal float by default.
6205 * configure: Regenerate.
6207 2006-02-06 Ben Elliston <bje@au.ibm.com>
6209 * read-rtl.c (read_name): Terminate reading on EOF.
6211 2006-02-06 Ben Elliston <bje@au.ibm.com>
6213 * dfp.c (decimal_real_arithmetic): Change second argument type
6214 from int to enum tree_code. Do not always return true, but now
6215 return result of any call to decimal_do helper functions.
6216 * dfp.h (decimal_real_arithmetic): Update prototype.
6218 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6220 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6222 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6225 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6228 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6230 * tree-vrp.c (cfg_loops): Removed.
6231 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6232 Use current_loops instead of cfg_loops. Pass flags to
6233 loop_optimizer_init.
6234 * cfgloopmanip.c (fix_loop_structure): Update only available
6236 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6237 loop_optimizer_init.
6238 * modulo-sched.c (build_loops_structure): Removed.
6239 (sms_schedule): Use loop_optimizer_init.
6240 * loop-init.c (loop_optimizer_init): Use flags to determine
6241 which properties of loops to prepare.
6242 (rtl_loop_init): Pass flags to loop_optimizer_init.
6243 * tree-ssa-sink.c (execute_sink_code): Ditto.
6244 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6245 * tree-ssa-pre.c (init_pre): Ditto.
6246 * cfgloop.h (LOOPS_NORMAL): New.
6247 (loop_optimizer_init): Declaration changed.
6249 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6251 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6252 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6254 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6256 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6258 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6259 * pa/t-pa64: Delete quadlib.c rule.
6260 * pa/x-ada: Revert last change.
6261 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6263 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6265 PR rtl-optimization/26087
6266 * rtlanal.c (canonicalize_condition): Do not cross basic block
6269 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6272 * config/ia64/ia64.c: Include debug.h.
6273 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6274 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6275 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6276 (process_epilogue, process_set, process_for_unwind_directive):
6277 Output unwind info only if requested. Add CFA info if requested.
6278 Add new arguments as needed. Adjust callers.
6279 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6281 (DWARF2_FRAME_INFO): Define to zero.
6282 * config/ia64/unwind-ia64.c: Remove code that compensated for
6283 the CFA offset error fixed above.
6284 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6285 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6286 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6287 -funwind-tables and -fexceptions to enable frame info.
6288 (dwarf2out_frame_init): Define initial CFA even if
6289 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6290 DWARF2_UNWIND_INFO is nonzero, not just defined.
6291 (dwarf2out_frame_finish): Output non-EH call frame info only
6292 if DWARF2_FRAME_INFO is nonzero.
6293 (convert_cfa_to_loc_list,
6294 compute_frame_pointer_to_cfa_displacement): Define even if
6295 unwind info is not supported.
6296 (gen_subprogram_die): Use the above unconditionally. Remove
6297 legacy alternate code.
6298 * toplev.c (compile_file): Compile in call to
6299 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6300 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6302 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6303 Jakub Jelinek <jakub@redhat.com>
6305 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6306 IBM extended float format long double as "g" on powerpc*-linux.
6308 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6311 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6312 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6314 2006-02-03 Jason Merrill <jason@redhat.com>
6317 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6320 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6321 on the return slot if it's an NRV.
6323 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6325 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6326 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6327 rewrite_use): Do not handle USE_OUTER.
6328 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6329 add_iv_outer_candidates, may_replace_final_value,
6330 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6331 (find_interesting_uses_op): Functionality of
6332 find_interesting_uses_outer_or_nonlin moved here.
6333 (find_interesting_uses_outside): Use find_interesting_uses_op.
6335 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6338 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6340 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6341 Ulrich Weigand <uweigand@de.ibm.com>
6344 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6345 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6346 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6347 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6349 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6350 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6351 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6352 Define secondary reloads for TFmode moves.
6353 (constant_modes): Add TFmode.
6354 (NR_C_MODES): Set to 8.
6355 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6357 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6358 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6359 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6360 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6361 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6362 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6363 (FPR mode macro): Add TFmode.
6364 (DSF mode macro): New.
6365 (<de>, <dee> mode attributes): Removed.
6366 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6367 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6368 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6369 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6370 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6371 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6372 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6373 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6374 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6375 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6376 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6377 "*negabs<mode>2", "sqrt<mode>2"):
6378 Changed <de> to <xde>. R constraint replaced by <Rf>.
6379 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6381 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6382 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6383 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6385 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6386 "extenddftf2", "extendsftf2"): New expanders.
6387 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6388 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6389 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6390 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6392 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6393 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6394 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6395 __floatditf): Add a GCC_4.1.0 symbol version tag.
6396 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6399 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6402 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6403 Use targetm.binds_local_p instead of TREE_PUBLIC.
6405 2006-02-02 Roger Sayle <roger@eyesopen.com>
6407 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6408 on INTEGER_TYPEs to indicate that it denotes a character type.
6409 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6410 signed_char_type_node, unsigned_char_type_node and char_type_node.
6411 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6412 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6413 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6415 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6416 Daniel Berlin <dberlin@dberlin.org>
6418 * tree-tailcall.c (arg_needs_copy_p): New function.
6419 (eliminate_tail_call): Use arg_needs_copy_p.
6420 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6421 (add_virtual_phis): New function.
6423 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6425 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6426 #ignore instead of #scratch for %g7 .register directive.
6428 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6430 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6433 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6435 * flow.c (calculate_global_regs_live): Assert that there aren't any
6438 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6440 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6442 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6443 bsi_after_labels iterator.
6444 * tree-if-conv.c (find_phi_replacement_condition,
6445 replace_phi_with_cond_modify_expr): Likewise.
6446 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6447 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6449 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6451 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6453 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6456 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6457 array after growing it.
6459 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6462 * fold-const.c (fold_checksum_tree): Change type of buf.
6464 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6466 * reload.c (push_secondary_reload): Initialize t_icode.
6468 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6470 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6471 -msoft-float -mlong-double-128 only issue a warning, but don't
6472 swich to DFmode long double.
6474 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6476 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6477 has a constant equivalent, iterate over equivalents for arg0,
6478 calling simplify_relational_operation and if there's a result
6479 cheaper than X, apply fold_rtx and return the result.
6481 2006-02-01 Jan Hubicka <jh@suse.cz>
6483 * opts.c (no_unit_at_a_time_default): New global variable.
6484 (decode_options): Use it.
6485 * opts.h (no_unit_at_a_time_default): Declare.
6487 2006-02-01 Paul Brook <paul@codesourcery.com>
6489 * function.c (assign_parm_setup_reg): Use function argument promotion
6491 * expr.c (expand_expr_real_1): Use function argument promotion rules
6494 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6496 * gcc.c (process_command): Change j to 'unsigned int'.
6498 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6501 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6502 Use the corrected index for the character
6503 out of the string constant.
6505 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6507 * mode-switching.c (optimize_mode_switching): Fix size
6508 allocated for bb_info[n_entities].
6510 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6512 * gcc.c (main): Correct type that is allocated for
6513 explicit_link_files.
6515 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6517 * config/s390/s390.c (init_alignment_context): Set
6518 ALIAS_SET_MEMORY_BARRIER on the MEM.
6519 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6521 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6524 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6526 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6529 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6531 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6532 * regrename.c: Ditto.
6533 * tree-ssa-loop-im.c: Ditto.
6534 * tree-dump.c: Ditto.
6535 * tree-complex.c: Ditto.
6536 * genrecog.c: Ditto.
6537 * tree-ssa-threadupdate.c: Ditto.
6539 * java/class.c: Ditto.
6540 * java/jcf-parse.c: Ditto.
6541 * java/resource.c: Ditto.
6542 * java/except.c: Ditto.
6543 * java/jvspec.c: Ditto.
6544 * java/jcf-write.c: Ditto.
6545 * java/jcf-path.c: Ditto.
6546 * java/gjavah.c: Ditto.
6547 * java/zextract.c: Ditto.
6548 * java/jcf-io.c: Ditto.
6549 * java/jcf.h: Ditto.
6550 * java/buffer.c: Ditto.
6551 * java/lang.c: Ditto.
6552 * java/parse-scan.y: Ditto.
6553 * java/lex.c: Ditto.
6554 * java/lex.h: Ditto.
6555 * cfgloopmanip.c: Ditto.
6556 * postreload-gcse.c: Ditto.
6557 * tree-ssa-loop-manip.c: Ditto.
6558 * postreload.c: Ditto.
6559 * tree-ssa-loop-ch.c: Ditto.
6563 * diagnostic.c: Ditto.
6565 * genoutput.c: Ditto.
6567 * cfghooks.c: Ditto.
6568 * cfgloopanal.c: Ditto.
6569 * objc/objc-act.c: Ditto.
6571 * genextract.c: Ditto.
6572 * genautomata.c: Ditto.
6573 * pretty-print.c: Ditto.
6575 * cgraphunit.c: Ditto.
6578 * haifa-sched.c: Ditto.
6579 * dominance.c: Ditto.
6581 * tree-ssa-loop-ivopts.c: Ditto.
6583 * mode-switching.c: Ditto.
6584 * modulo-sched.c: Ditto.
6586 * ipa-pure-const.c: Ditto.
6588 * fix-header.c: Ditto.
6590 * tree-stdarg.c: Ditto.
6591 * ipa-utils.c: Ditto.
6592 * loop-init.c: Ditto.
6593 * ipa-inline.c: Ditto.
6596 * alloc-pool.c: Ditto.
6597 * dwarf2out.c: Ditto.
6599 * genattrtab.c: Ditto.
6600 * tree-ssa-loop-ivcanon.c: Ditto.
6604 * fortran/gfortranspec.c: Ditto.
6606 * local-alloc.c: Ditto.
6607 * langhooks.c: Ditto.
6608 * function.c: Ditto.
6609 * tree-vectorizer.c: Ditto.
6611 * ipa-type-escape.c: Ditto.
6613 * tree-if-conv.c: Ditto.
6616 * tree-data-ref.c: Ditto.
6617 * loop-unroll.c: Ditto.
6618 * treelang/treetree.c: Ditto.
6621 * ggc-common.c: Ditto.
6623 * coverage.c: Ditto.
6625 * tree-cfgcleanup.c: Ditto.
6626 * tree-ssa-pre.c: Ditto.
6627 * cfgcleanup.c: Ditto.
6628 * loop-invariant.c: Ditto.
6630 * ipa-prop.c: Ditto.
6631 * print-tree.c: Ditto.
6632 * conflict.c: Ditto.
6633 * ggc-page.c: Ditto.
6634 * sched-deps.c: Ditto.
6635 * regclass.c: Ditto.
6636 * tree-object-size.c: Ditto.
6638 * bb-reorder.c: Ditto.
6639 * resource.c: Ditto.
6640 * var-tracking.c: Ditto.
6642 * df-problems.c: Ditto.
6643 * reg-stack.c: Ditto.
6646 * sched-rgn.c: Ditto.
6647 * tree-ssa-structalias.c: Ditto.
6648 * tree-ssa-reassoc.c: Ditto.
6649 * config/darwin-c.c: Ditto.
6650 * config/darwin.c: Ditto.
6651 * config/arm/arm.c: Ditto.
6653 * collect2.c: Ditto.
6656 2006-01-31 Nicolas Pitre <nico@cam.org>
6658 * arm.md (smaxsi3): Make aware of smax_m1.
6661 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6663 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6665 2006-01-31 Richard Guenther <rguenther@suse.de>
6667 * doc/invoke.texi (-msselibm): Document.
6668 * target.h (expand_library_builtin): New target hook.
6669 * builtins.c (expand_builtin): Use expand_library_builtin.
6670 (default_expand_library_builtin): New function.
6671 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6672 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6673 (link_gcc_math_spec): Declare.
6674 (static_specs): Add link_gcc_math_spec.
6675 * expr.h (default_expand_library_builtin): Declare.
6676 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6677 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6678 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6679 * config/i386/i386.opt (msselibm): New target option.
6680 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6681 (ix86_init_sse_abi_builtins): New function.
6682 (ix86_expand_library_builtin): Likewise.
6683 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6684 (override_options): Handle error conditions wrt -msselibm.
6685 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6686 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6687 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6690 2006-01-31 Richard Guenther <rguenther@suse.de>
6691 Paolo Bonzini <bonzini@gnu.org>
6693 * doc/install.texi (--disable-libgcc-math): Document.
6695 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6697 * expr.h (expand_normal): new inline function.
6698 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6700 * dwarf2out.c: use it.
6705 * config/sparc/sparc.c: use it.
6706 * config/i386/i386.c: use it.
6707 * config/rs6000/rs6000.c: use it.
6708 * config/arm/arm.c: use it.
6709 * config/mips/mips.c: use it.
6710 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6712 2006-01-30 Roger Sayle <roger@eyesopen.com>
6714 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6715 argv to the appropriate type.
6717 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6719 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6722 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6725 * config/s390/s390.c (struct machine_function): New flag
6726 decomposed_literal_pool_addresses_ok_p.
6727 (s390_reorg): Set it before final stage of literal pool transforms.
6728 (s390_decompose_address): Only accept displacements of the form
6729 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6731 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6733 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6734 the comparison routine return.
6736 2006-01-30 Michael Matz <matz@suse.de>
6738 * global.c (find_reg): Only evict for global regs.
6739 Take n_refs into account and dump more info.
6741 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6744 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6745 (pragma_trap, pragma_nosave_low_regs): Likewise.
6746 (current_function_anonymous_args): Likewise.
6747 (sh_deferred_function_attributes): New variable.
6748 (sh_deferred_function_attributes_tail): Likewise.
6749 (print_operand): For '@', look up trap_exit attribute.
6750 (calc_live_regs): Look up trapa_handler attribute. For trapa
6751 handlers, save/restore fpscr, but don't do any other
6752 interrupt-specific saves.
6753 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6754 Fix check for partially saved registers to check for SHmedia.
6755 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6756 (sh_output_function_epilogue): Don't clear any of the removed
6758 (sh_insert_attributes): Don't check pragma_interrupt.
6759 Insert deferred attributes. Check that interrupt attribute is
6760 present for other attributes that require its presence.
6761 (sh_attribute_table): Add new attributes trapa_handler and
6763 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6764 Don't check for pragma_interrupt. Don't store argument.
6765 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6766 (sh_deferred_function_attributes): Declare.
6767 (sh_deferred_function_attributes_tail): Likewise.
6768 * sh.md (sp_switch_1): Add operand. Change generator caller.
6769 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6770 (*return_i): Don't use when trap_exit attribute is in effect.
6771 (*return_trapa): New insn pattern.
6773 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6774 setting c_target_objs and cxx_target_objs.
6775 * t-sh: Add rule for sh-c.o.
6777 2006-01-30 Richard Guenther <rguenther@suse.de>
6780 * gimplify.c (gimplify_target_expr): Handle easy cases
6781 without creating a temporary.
6783 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6785 * vec.h (safe_grow): Remove duplicated line.
6787 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6790 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6791 (expand_omp): ... here.
6792 (expand_omp_parallel): Only remove barriers for combined
6793 parallel+workshare constructs.
6795 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6799 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6800 * tree.c (build_qualified_type): Chain the new type to the original
6801 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6802 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6803 (build_pointer_type_for_mode): Only return unqualified types.
6804 (build_reference_type_for_mode): Likewise.
6806 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6808 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6809 * Makefile.in (CXX_COMPAT_WARN): Define.
6810 * configure: Regenerate.
6812 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6815 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6818 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6820 * toplev.c: Fix thinko.
6822 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6823 Marcin Dalecki <martin@dalecki.de>
6825 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6826 (push_srcloc): Use XNEW.
6827 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6829 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6831 * df-core.c (df_set_blocks): Deleted all variable.
6833 2006-01-28 Ian Lance Taylor <ian@airs.com>
6835 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6836 cgraph_output_pending_asms.
6838 2006-01-28 Zack Weinberg <zackw@panix.com>
6840 * c.opt: Add -W(no-)overlength-strings.
6841 * doc/invoke.texi: Document it.
6842 * c-opts.c (c_common_handle_option): -pedantic implies
6843 -Woverlength-strings, if not explicitly disabled already.
6844 (c_common_post_options): -Woverlength-strings defaults to off, and
6845 is always off for C++.
6846 * c-common.c (fix_string_type): Issue warning about strings longer
6847 than is portable only if warn_overlength_strings. Rearrange code
6848 a little for clarity.
6849 * configure.in: Check for -Wno-overlength-strings as well before
6850 enabling -pedantic in stage 1.
6851 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6852 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6854 * genconditions.c (write_header, write_one_condition)
6855 (write_conditions, write_writer): Consolidate very long strings
6856 that were broken up to fit in C89 portable limit. Don't use
6857 printf when fputs will do.
6859 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6861 * combine.c (simplify_comparison <AND>): Check
6862 TRULY_NOOP_TRUNCATION before start using a subreg.
6864 * config/mips/mips.md (*branch_zero<mode>,
6865 *branch_zero<mode>_inverted, *branch_equality<mode>,
6866 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6867 Remove mode check from comparisons.
6869 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6871 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6873 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6875 * expmed.c (const_mult_add_overflow_p): Remove.
6876 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6878 * recog.c (validate_replace_rtx_subexp): Remove.
6879 * recog.h: Remove the prototype for
6880 validate_replace_rtx_subexp.
6882 * integrate.h: Remove the prototype for
6883 copy_decl_for_inlining.
6884 * rtl.h: Remove the prototype for mark_constant_function.
6885 * tree-vectorizer.h: Remove the prototype for
6886 vect_strip_conversion.
6888 * modulo-sched.c (create_partial_schedule,
6889 free_partial_schedule, reset_partial_schedule): Make them
6892 * hooks.c (hook_bool_rtx_int_false): Remove.
6893 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6895 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6897 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6898 and -mlong-double-128 are incompatible.
6899 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6900 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6901 (TARGET_LIBGCC2_CFLAGS): Define.
6902 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6903 (TARGET_LIBGCC2_CFLAGS): Same.
6904 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6906 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6909 * c-typeck.c (build_binary_op): Perform implicit casts of
6910 operands before shortening them.
6912 * cfgloopmanip.c (split_loop_bb): Remove.
6913 * cfgloop.h: Remove the prototype for split_loop_bb.
6915 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6916 * cfgloop.h: Remove the prototype for
6917 flow_loop_outside_edge_p.
6919 * emit-rtl.c (init_virtual_regs): Make it static.
6920 * function.h: Remove the prototype for init_virtual_regs.
6922 * recog.c (peephole2_optimize): Make it static.
6923 * recog.h: Remove the prototype for peephole2_optimize.
6925 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6927 * df-scan.c (df_record_entry_block_defs): Check if
6928 INCOMING_RETURN_ADDR_RTX is defined.
6930 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6931 Kenneth Zadeck <zadeck@naturalbridge.com>
6933 PR rtl-optimization/24762
6934 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6935 * targhooks.c (hook_void_bitmap): New hook prototype.
6936 * targhoohs.h (hook_void_bitmap): Ditto.
6937 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6938 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6939 * target.h (live_on_entry): New function pointer.
6940 * df-scan.c (df_all_hard_regs): Removed.
6941 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6942 (df_scan_free_internal): Added df->entry_block_defs.
6943 (df_scan_alloc): Ditto.
6944 (df_scan_dump): Ditto.
6945 (df_uses_record): Plumbed flag field properly thru calls.
6946 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6947 This part fixes PR24762.
6948 (df_bb_refs_record): Added code to make the frame and arg
6949 pointers live in EH blocks.
6950 (df_refs_record): Added call to df_record_entry_block_defs.
6951 (df_record_entry_block_defs): New function.
6952 * df-core.c: Added comments to describe new artifical defs.
6953 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6954 (entry_block_defs): New field in struct df.
6955 (df_all_hard_regs): Deleted.
6956 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6957 * df-problems.c (df_ru_bb_local_compute_process_def):
6958 Added code to handle artifical defs in the entry to a function.
6959 (df_ru_bb_local_compute): Ditto.
6960 (df_rd_bb_local_compute_process_def): Ditto.
6961 (df_rd_bb_local_compute): Ditto.
6962 (df_lr_bb_local_compute): Ditto.
6963 (df_ur_bb_local_compute): Ditto.
6964 (df_urec_bb_local_compute): Ditto.
6965 (df_chain_create_bb): Ditto.
6966 (df_ur_local_finalize): Removed entry.
6967 (df_urec_init): Ditto.
6968 (df_urec_local_finalize): Ditto.
6969 (df_ri_bb_compute): Added detection of last use of pseudos.
6970 * Makefile.in (df-scan.o): Updated dependencies.
6971 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6972 * config/mips/mips.c (mips_set_live_on_entry): Added.
6973 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6975 * dce.c (marked_insn_p): Added code to handle artifical defs.
6977 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6979 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6981 (_mm_cvtsi128_si64): Likewise.
6982 (_mm_cvtsd_si64): Likewise.
6983 (_mm_cvttsd_si64): Likewise.
6984 (_mm_cvtsi64_sd): Likewise.
6985 (_mm_cvtsi64_si128): Likewise.
6986 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6987 (_mm_cvtsi64_m64): Likewise.
6988 (_m_to_int64): Likewise.
6989 (_mm_cvtm64_si64): Likewise.
6990 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6991 (_mm_cvttss_si64): Likewise.
6992 (_mm_cvtsi64_ss): Likewise.
6993 (_mm_cvtss_f32): Likewise.
6995 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6997 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6998 for pragma redefine_extname.
7000 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7003 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7004 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7005 -mno-minimal-toc to previous content.
7006 (bispecs): Remove goal.
7007 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7008 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7009 compatibility aliases on powerpc-*-*gnu*.
7010 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7011 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7012 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7013 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7014 (ldblspecs): New goal.
7015 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7016 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7018 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7019 L_sf_to_tf or L_df_to_tf is defined.
7021 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7022 Alan Modra <amodra@bigpond.net.au>
7025 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7026 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7027 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7028 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7029 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7030 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7031 (rs6000_override_options): Initialize rs6000_ieeequad.
7032 Initialize TFmode format to ibm_extended_format if not
7034 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7036 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7037 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7038 (function_arg_advance): IBM long double passed in two FPRs, not
7040 (function_arg): IBM long double passed in FPRs.
7041 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7042 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7043 Only multireg GPR aligned.
7044 (rs6000_init_libfuncs): Enable IBM long double functions if not
7046 (rs6000_generate_compare): Use IBM long double compare if not
7048 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7049 (TARGET_IEEEQUAD): Define.
7050 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7051 not TARGET_IEEEQUAD.
7052 * config/rs6000/rs6000.md: Enable TFmode patterns if
7054 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7055 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7056 and -mlong-double-128 are incompatible.
7057 * doc/invoke.texi (-mabi): Collect options together. Add
7058 ibmlongdouble and ieeelongdouble.
7060 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7062 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7064 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7065 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7066 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7067 * rtl.h (rtunion_def): Remove rt_ptr.
7069 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7070 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7071 * config/i386/winnt.c (i386_pe_mark_dllexport)
7072 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7074 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7076 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7078 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7082 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7083 pthread_key_delete. From John David Anglin. gthrw-ify
7084 pthread_getunique_np only if it it's not a macro. Delete
7086 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7087 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7088 __gthread_objc_condition_signal, __gthread_key_delete): Add
7089 "__attribute__ ((__unused__))" to unused arguments.
7090 (__gthread_recursive_mutex_init_function): Add missing return.
7091 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7092 gthr-posix95.h: Use macro-based approach for name redirection
7093 on targets missing weakref.
7095 2006-01-26 Zack Weinberg <zackw@panix.com>
7097 * genconditions.c (write_header): In generated code, #ifdef out
7098 all includes and fake declarations, except includes of bconfig.h
7099 and system.h, unless GCC_VERSION >= 3001. Do not include
7100 gensupport.h in any case.
7101 (write_conditions): Generate a definition of struct c_test. Add
7102 a comment to the generated #endif.
7103 (write_one_condition): Escape backslashes in string too.
7104 (write_writer): Generated code must escape backslashes and quote
7105 marks (but not newlines) in the strings it writes.
7106 * Makefile.in (build/gencondmd.o): Update dependencies.
7108 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7111 * Makefile.in (insn-automata.o): Add header file dependencies.
7112 * genautomata.c: Add includes.
7114 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7117 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7119 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7121 * configure.ac: Expect target tools paths to be passed from the toplevel
7122 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7124 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7126 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7129 * c.opt (Wpointer-sign): Init to -1.
7130 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7131 OPT_pedantic, to 0 otherwise.
7132 * doc/invoke.texi: Update.
7134 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7136 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7137 constants provided by 80387 instructions in the destination mode.
7139 2006-01-26 Richard Guenther <rguenther@suse.de>
7140 Andrew Pinski <pinskia@physics.uc.edu>
7143 partial PR tree-opt/17064
7144 * tree-ssa-structalias.c (intra_create_variable_infos):
7145 Create heap variables for incoming parameters if
7146 flag_argument_noalias > 1.
7147 (find_what_p_points_to): Look through default defs of
7150 2006-01-26 Jeff Law <law@redhat.com>
7153 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7154 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7155 within the VR_RANGE, use the VR_RANGE as the result, not the
7157 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7158 bounds for the type.
7160 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7162 * tree-ssa-alias.c (maybe_create_global_var): Change
7163 subvar walking to an assertion that we don't have subvar'd variables.
7165 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7168 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7169 Use a new variable, inner. PARM_DECLs are always non-weak.
7171 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7173 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7176 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7178 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7180 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7182 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7183 (smax_insn, smin_insn, smax_0, smin_0): New.
7185 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7188 * config/cris/cris.c (cris_order_for_addsi3): New function.
7189 * config/cris/cris-protos.h: Prototype it.
7190 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7191 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7192 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7193 (split for "op.S1 [rx=rx+i],ry (swapped)")
7194 (split for "op(s|u).S1 [rx=rx+i],ry")
7195 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7196 Apply cris_order_for_addsi3 when generating addsi3 insns.
7198 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7200 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7201 (TREE_BLOCK): Add call to EXPR_CHECK.
7203 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7206 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7207 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7208 (dump_omp_clauses): ... here.
7209 (dump_generic_node): Handle OMP_CLAUSE.
7210 * tree.c (omp_clause_num_ops): New.
7211 (omp_clause_code_name): New.
7212 (tree_code_size): Handle OMP_CLAUSE.
7213 (tree_size): Likewise.
7214 (make_node): Document handling of OMP_CLAUSE.
7215 (tree_node_structure): Handle OMP_CLAUSE.
7216 (omp_clause_check_failed): New.
7217 (omp_clause_range_check_failed): New.
7218 (omp_clause_operand_check_failed): New.
7219 (build_omp_clause): New.
7220 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7221 * tree.h (enum omp_clause_code): Declare.
7222 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7223 (OMP_CLAUSE_RANGE_CHECK): Define.
7224 (OMP_CLAUSE_ELT_CHECK): Define.
7225 (omp_clause_check_failed): Declare.
7226 (omp_clause_operand_check_failed): Declare.
7227 (omp_clause_range_check_failed): Declare.
7228 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7229 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7230 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7231 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7232 (OMP_CLAUSE_IF_EXPR): Likewise.
7233 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7234 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7235 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7236 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7237 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7238 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7239 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7240 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7241 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7242 (OMP_CLAUSE_CODE): Define.
7243 (OMP_CLAUSE_SET_CODE): Define.
7244 (OMP_CLAUSE_CODE): Define.
7245 (OMP_CLAUSE_OPERAND): Define.
7246 (struct tree_omp_clause): Declare.
7247 (union tree_node): Add field 'omp_clause'.
7248 * treestruct.def (TS_OMP_CLAUSE): Define.
7249 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7250 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7251 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7252 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7253 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7254 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7255 (OMP_CLAUSE): Define.
7256 * print-tree.c (print_node): Handle OMP_CLAUSE.
7257 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7258 * c-typeck.c: Likewise.
7259 * gimplify.c: Likewise.
7260 * c-omp.c: Likewise.
7261 * tree-nested.c: Likewise.
7262 * tree-inline.c: Likewise.
7263 * c-parser.c: Likewise.
7264 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7267 2006-01-25 Roger Sayle <roger@eyesopen.com>
7269 PR rtl-optimization/25703
7270 * combine.c (try_combine): Handle zero_extract and strict_low_part
7271 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7273 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7275 * global.c: Fix comment typos.
7277 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7280 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7281 Use output_addr_const instead of assemble_name.
7283 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7285 * Makefile.in (sched-vis.o): Update dependencies.
7286 * haifa-sched.c (sched_finish): Clear current_sched_info.
7287 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7288 (dump_flow_info): Call it.
7289 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7291 * basic-block.h (dump_bb_info): Declare.
7292 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7293 option, and apply options only for dump files whose TDF_RTL,
7294 TDF_TREE, or TDF_IPA bits match.
7295 * rtl.h: Declare new functions exported from sched-vis.c.
7296 * sched-vis.c: Enable also if scheduling is not used.
7297 (print_value): Print the mode of registers if not inside scheduling.
7298 (print_insn): Make it work outside the scheduler. Beautify the output
7300 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7302 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7304 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7305 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7306 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7307 depending on the value of CONSTANT_POOL_ADDRESS_P.
7308 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7310 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7311 rather than SYMBOL_REF_DECL.
7312 (rtx_constant_pool): Remove const_rtx_sym_htab.
7313 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7314 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7315 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7316 Remove handling of const_rtx_sym_htab.
7317 (find_pool_constant): Delete.
7318 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7319 rather than find_pool_constant.
7320 (get_pool_constant_for_function): Delete.
7321 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7323 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7324 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7325 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7326 (SYMBOL_REF_CONSTANT): New macro.
7327 (get_pool_constant_for_function): Delete.
7328 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7329 rather than SYMBOL_REF_DECL.
7330 (i386_pe_mark_dllimport): Likewise.
7331 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7332 rather than SYMBOL_REF_DECL.
7333 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7334 (machopic_indirect_call_target): Likewise.
7336 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7338 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7340 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7342 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7344 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7346 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7348 2006-01-24 David Daney <ddaney@avtrex.com>
7351 * configure.ac (enable_tls): New enable option.
7352 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7353 * configure: Regenerate.
7354 * doc/install.texi (--enable-tls): Document new option.
7355 (--disable-tls): Ditto.
7357 2006-01-24 Richard Henderson <rth@redehat.com>
7359 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7360 * alias.c (true_dependence): Respect it.
7361 (canon_true_dependence, write_dependence_p): Likewise.
7362 * builtins.c (get_builtin_sync_mem): Set it.
7364 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7366 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7369 2006-01-24 DJ Delorie <dj@redhat.com>
7371 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7372 for storing constants in single-bit bitfields.
7374 2006-01-25 Ben Elliston <bje@au.ibm.com>
7376 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7378 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7381 * tree-ssa-pre.c (phi_translate): Return NULL
7382 for AGGREGATE_TYPE's.
7384 2006-01-24 Zack Weinberg <zackw@panix.com>
7386 * genautomata.c (process_state_for_insn_equiv_partition):
7387 Use xcalloc for insn_arcs_array.
7388 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7389 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7391 2006-01-24 Richard Henderson <rth@redhat.com>
7393 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7396 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7398 PR rtl-optimization/25890
7399 PR rtl-optimization/25905
7400 * combine.c (expand_compound_operation, expand_field_assignment):
7401 Fail if the bitfield's final position is out of bounds.
7403 2006-01-24 Ian Lance Taylor <ian@airs.com>
7406 * cgraphunit.c (cgraph_output_in_order): Don't clear
7407 cgraph_asm_nodes until after asm strings have been output.
7409 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7411 * fix-header.c (read_scan_file): Add new parameter imultilib when
7412 calling register_include_chains.
7414 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7416 * omp-low.c: Update documentation.
7418 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7419 Daniel Berlin <dberlin@dberlin.org>
7423 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7424 return from the function.
7426 2006-01-22 Zack Weinberg <zackw@panix.com>
7428 * rtl.def (match_code): Add second argument.
7429 * genpreds.c (write_extract_subexp): New function.
7430 (write_match_code): Add path argument. Use write_extract_subexp.
7431 (write_predicate_expr): Pass path to write_match_code.
7432 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7433 not perform a mode test.
7434 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7435 a subexpression does not constrain the top-level code set.
7436 * read-rtl.c (read_rtx_variadic): New function.
7437 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7438 * doc/md.texi: Document new notation.
7439 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7440 (cmpsi_operand): ... here, using new notation.
7442 2006-01-22 Zack Weinberg <zackw@panix.com>
7444 * varray.c: Remove GENERATOR_FILE #ifdefs.
7446 2006-01-22 Zack Weinberg <zackw@panix.com>
7448 * genautomata.c (output_reserved_units_table): Emit nothing if
7449 description->query_units_num is zero. Remove extra blank line.
7450 (output_cpu_unit_reservation_p): Short circuit
7451 if description->query_units_num is zero.
7453 2006-01-22 Zack Weinberg <zackw@panix.com>
7455 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7456 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7457 nor any of the random handful of variables that used to be necessary
7458 when this program was linked with rtlanal.o. Prune set of forward
7459 function declarations.
7460 (struct attr_desc): Remove static_p field.
7461 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7462 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7463 (attr_string): Do not read the character one past the length of
7465 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7466 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7467 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7468 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7469 (make_automaton_attrs): New.
7470 (main): Do not call into genautomata. Call local gen_bypass
7471 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7472 Remove special case for insn_alts.
7473 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7474 varray.h (leftover from previous change). Prune set of forward
7475 function declarations. Remove state_alts fields from all
7476 structures. Remove state_alts_table from struct automaton.
7477 Make everything except main static. Do not maintain num_dfa_decls.
7478 Do not maintain state_alts fields of various structures.
7479 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7480 (add_arc): Remove state_alts argument. All callers updated.
7481 (output_reserved_units_table): Emit #ifdef here...
7482 (output_tables): ...not here. Don't generate state_alts tables.
7483 (expand_automata): Don't generate attributes.
7484 (write_automata): Don't generate state_alts functions.
7485 (main): New function.
7486 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7487 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7488 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7489 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7490 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7491 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7492 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7493 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7495 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7496 * genattrtab.h: Delete file.
7497 * Makefile.in (OBJS-common): Add insn-automata.o.
7498 (insn-automata.o): New rule.
7499 (simple_generated_c): Add insn-automata.c.
7500 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7501 (genprogmd): Add automata.
7502 (build/genattrtab): Needs no extra objects nor libraries.
7503 (build/genautomata): Needs build/vec.o and -lm.
7505 2006-01-22 Zack Weinberg <zackw@panix.com>
7507 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7508 (output_dfa_max_issue_rate, locked_states_num): Delete.
7509 (struct automaton): Add locked_states field.
7510 (output_dead_lock_vect): Save number of locked states in
7511 automaton->locked_states. If it is zero, don't print anything.
7512 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7513 (output_internal_dead_lock_func): Only test the dead_lock_vect
7514 for automata that have locked states.
7515 (output_statistics): Always print the number of locked states for
7516 each automaton. Calculate total number of locked states here.
7517 (write_automata): Don't call output_dfa_max_issue_rate.
7518 * genattrtab.c: Define length_unit_log as a const variable.
7519 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7520 max_insn_queue_index const.
7521 * final.c (length_unit_log): Declare const.
7522 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7524 2006-01-22 Zack Weinberg <zackw@panix.com>
7526 * genautomata.c: Include vec.h, not varray.h.
7527 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7528 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7529 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7530 VEC_* macros operating on appropriately typed vectors, or to
7531 malloced arrays when the size is known in advance. Const-ify
7532 many char* variables and function arguments. No functional changes.
7533 * Makefile.in (build/varray.o): Delete rule.
7534 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7535 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7537 2006-01-22 Zack Weinberg <zackw@panix.com>
7539 * gensupport.c: Define get_insn_name and record_insn_name here.
7540 (read_md_rtx): Call record_insn_name as appropriate.
7541 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7542 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7543 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7545 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7546 (BUILD_VARRAY): Delete.
7547 (genprognormal): Rename genprogmd. Fold in all programs from
7548 genprognoprint; also attrtab.
7549 (build/genattrtab): Just mention genautomata.o and varray.o.
7550 Reorganize a bit, add comments to make the categories clearer.
7552 2006-01-22 Zack Weinberg <zackw@panix.com>
7554 * genconditions.c (condition_table, add_condition): Delete.
7555 (write_conditions): Don't emit n_insn_conditions nor
7556 insn_elision_unavailable. Issue the gcc version #ifdef here,
7557 inside the table, with no #else clause ...
7558 (write_header): ...not here.
7559 (write_writer): New function.
7560 (main): Don't initialize condition_table. Use add_c_test.
7562 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7563 files on the command line.
7564 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7565 Return -1 if there is no entry in the table, don't abort.
7566 (add_c_test, traverse_c_tests): New functions.
7567 * gensupport.h (insn_elision_unavailable, insn_conditions)
7568 (n_insn_conditions): Delete declarations.
7569 (add_c_test, traverse_c_tests): Declare.
7570 * read-rtl.c: Include gensupport.h.
7571 (read_conditions): New function.
7572 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7573 (read_rtx_1): If we get EOF when we were looking for an initial
7574 open paren, return 0. Call read_conditions when appropriate.
7575 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7576 dummy-conditions.o. Eliminate references to insn-conditions.o,
7577 or change them to build/gencondmd.o, as appropriate. Remove
7578 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7579 from $(simple_generated_c). For all files remaining in those
7580 two lists, add insn-conditions.md to the generator command line.
7581 Give insn-constants.h/s-constants their own rules. Add rules
7582 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7583 (build/read-rtl.o): Depend on gensupport.h.
7584 (genprognormal): Include preds.
7585 (genprogearly): Rename genprognoprint; only difference is now that
7586 they don't link with $(BUILD_PRINT).
7587 * dummy-conditions.c: Delete.
7589 2006-01-22 Zack Weinberg <zackw@panix.com>
7591 * genextract.c: Don't include insn-config.h. Do include vec.h.
7592 Declare vectors of int, char, and locstr.
7593 (locstr): New typedef.
7594 (struct extraction): Make all array fields into bare pointers.
7595 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7596 (insn_code_number): Delete.
7597 (accum_extract): New struct.
7598 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7599 (gen_insn): Take insn_code_number as an argument. Use an
7600 accum_extract structure instead of loading data directly into
7601 a struct extraction, and having to know how big it might get.
7602 (walk_rtx): Operate entirely on an accum_extract structure.
7603 (print_path): Avoid unnecessary use of printf.
7604 (print_header): New function, split out of main. Distinguish
7605 more carefully between an unrecognizable insn and an insn that
7606 has the code number of a define_expand.
7607 (main): Pass insn_code_number to gen_insn. Call print_header
7608 only after parsing. Avoid unnecessary use of printf.
7609 * Makefile.in (build/vec.o): New rule.
7610 (build/genextract): Depend on build/vec.o.
7611 (build/genextract.o): Don't depend on insn-config.h.
7613 2006-01-22 Zack Weinberg <zackw@panix.com>
7615 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7616 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7617 practical. Eliminate per-generator-program link rules.
7619 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7622 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7623 with a call expr to ...
7624 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7626 2006-01-23 Richard Guenther <rguenther@suse.de>
7628 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7629 before make_edge with conditional EDGE_TRUE_VALUE.
7631 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7632 Jan Hubicka <jh@suse.cz>
7633 Richard Guenther <rguenther@suse.de>
7635 PR rtl-optimization/25654
7636 * cfgexpand.c (aggregate_contains_union_type): New function.
7637 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7638 for structure variables that contain a union type.
7640 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7642 * gengtype.c (new_structure): Return the structure.
7643 (create_option): Add an extra "next" argument.
7644 (create_field): New function.
7645 (adjust_field_rtx_def): Use create_option and create_field.
7646 Remove a now-unnecessary call to find_structure.
7647 (adjust_field_tree_def): Likewise.
7648 (note_yacc_type): Remove an unnecessary call to find_structure.
7649 * gengtype.h (new_structure): Return the structure.
7650 (create_option): Add an extra argument.
7651 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7652 (option): Adjust calls to create_option.
7654 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7656 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7658 2006-01-22 Paul Brook <paul@codesourcery.com>
7659 Peter Barada <peter@the-baradas.com>
7661 * config/m68k/m68k.md: Add Coldfire FPU support.
7662 Define FP mode macro and associated attributes.
7663 Use it for float mode patterns.
7664 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7665 (LIBCALL_VALUE): Use m68k_libcall_value.
7666 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7667 (m68k_function_value): Ditto.
7668 (emit_move_sequence): Ditto.
7669 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7670 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7671 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7672 (MULTILIB_EXCEPTIONS): Ditto.
7673 * config/m68k/m68k.opt: Add mcfv4e.
7674 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7675 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7676 (m68k_output_function_prologue): Save ColdFire FPU registers.
7677 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7678 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7679 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7680 ColdFire FPU registers.
7681 (m68k_libcall_value, m68k_function_value): New functions.
7682 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7683 (LIBCALL_VALUE): Use m68k_libcall_value.
7684 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7685 (MASK_COLDFIRE): Add MASK_CFV4E.
7686 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7687 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7688 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7689 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7690 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7691 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7692 * doc/invoke.tex: Document -mcfv4e on m68k.
7694 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7696 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7699 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7702 * c-opts.c (c_common_handle_option): Don't include
7703 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7704 * doc/invoke.texi (C++ Dialect Options): Document that
7705 -Wnon-virtual-dtor is no longer included in -Wall.
7707 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7709 * gcov.c (print_version), gcov-dump.c (print_version),
7710 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7713 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7715 * df-scan.c (problem_SCAN): Added NULL reset function.
7716 (df_scan_reset_blocks): Added code to call reset block function
7717 (df_bb_refs_delete) Fixed comment.
7718 (df_insn_refs_delete): Made tolerant of deleting non existent info
7719 for dataflow problems that need to be reset.
7720 * df-core.c (df_set_blocks): Ditto.
7721 * df.h (struct df_problem): Added reset_fun.
7722 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7723 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7724 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7725 functions to clear out all references to def-use or use-def chains.
7727 2006-01-21 Ben Elliston <bje@au.ibm.com>
7729 * varasm.c (assemble_real): Initialise data array.
7731 2006-01-20 Paul Brook <paul@codesourcery.com>
7733 Merge from csl-arm-branch.
7734 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7735 * config/arm/arm.md (movdi): Force operands[1] to a register
7736 if we have a non-register source.
7737 (*arm_movdi, *movdf_soft_insn): Require that one of the
7738 operands be a register.
7739 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7740 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7742 2006-01-20 DJ Delorie <dj@redhat.com>
7744 * varasm.c (initialize_constant_valid_p): Allow pointers
7745 initialized from integer constants of lesser precision.
7746 (output_constant): Allow non-int-sized pointer modes to be
7747 initialized from integer constants.
7749 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7752 * cppdefault.h (struct default_include): Add multilib flag.
7753 * cppdefault.c (cpp_include_defaults): Set it.
7754 * c.opt (-imultilib): New option.
7755 * c-opts.c (imultilib): New.
7756 (c_common_handle_option): Handle -imultilib.
7757 (c_common_post_options): Likewise.
7758 * c-incpath.c (add_standard_paths, register_include_chains):
7760 * c-incpath.h (register_include_chains): Add extra parameter.
7761 * gcc.c (do_spec_1): Generate -imultilib option.
7762 (The Specs Language): Update %I description.
7763 (process_command): Update copyright notice.
7764 * doc/cppopts.texi (-imultilib): Document.
7765 * doc/invoke.texi (-imultilib): Include in option summary.
7766 (%I): Update specs documentation.
7768 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7770 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7772 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7774 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7777 2006-01-20 Richard Guenther <rguenther@suse.de>
7778 Steven Bosscher <stevenb.gcc@gmail.com>
7780 PR rtl-optimization/24626
7781 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7782 EDGE_TRUE_VALUE if in RTL mode.
7785 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7786 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7788 2006-01-20 Dirk Mueller <dmueller@suse.com>
7791 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7792 instead of a special NOP marker.
7793 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7794 NOP marker handling.
7795 * c-common.h (empty_body_warning): Add forward declaration.
7796 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7797 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7799 2006-01-20 Paul Brook <paul@codesourcery.com>
7801 * Makefile.in (lang_checks): Keep going if mkdir fails.
7803 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7805 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7806 be able to clean out basic block when not necessary.
7807 (df_scan_free): Fixed to properly delete information if df is
7808 unused before calling df_finish.
7809 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7810 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7812 (df_bb_refs_delete): New function.
7813 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7814 * df-core.c (df_set_blocks): Added code to properly clean out
7815 unused blocks if they are not part of the blocks to consider.
7816 Added additional null check.
7817 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7818 be able to clean out basic block when not necessary
7819 * df.h (df_free_bb_function): Ditto.
7820 (df_bb_refs_delete): New function.
7821 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7822 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7823 basic block parameter to be able to clean out basic block when not
7825 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7826 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7827 Fixed to properly delete information if df is unused before
7830 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7832 PR rtl-optimization/25799
7833 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7834 Corrected confluence operator to remove bits from op2 before oring
7835 with op1 rather than removing bits from op1.
7836 (df_ru_transfer_function): Corrected test on wrong bitmap which
7837 caused infinite loop. Both of these problems were introduced in
7838 the dataflow rewrite.
7840 2006-01-19 DJ Delorie <dj@redhat.com>
7842 * reload1.c (find_reload_regs): Note the details of reload
7843 failures in the dump file.
7844 (spill_failure): Likewise.
7846 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7848 * loop-iv.c: Include df.h and hashtab.h.
7849 (enum iv_grd_result): New enum.
7850 (DF_REF_IV, DF_REF_IV_SET): New macros.
7851 (struct biv_entry): New.
7852 (df, bivs): New global variables.
7853 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7854 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7856 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7857 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7858 analyzed_for_bivness_p, record_biv): New functions.
7859 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7860 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7861 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7863 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7865 (iv_number_of_iterations): Use new interface to iv analysis.
7866 * loop-unroll.c: Do not include varray.h.
7867 (analyze_iv_to_split_insn): Use new interface to iv
7869 * loop-unswitch.c (may_unswitch_on): Ditto.
7870 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7872 (df_bb_modify): Realloc tables to the new index.
7873 (df_find_use): New function.
7874 * df.h (df_find_use): Declare.
7875 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7877 * cfgloop.h (struct rtx_iv): Remove analysed field.
7878 (iv_get_reaching_def): Removed.
7879 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7880 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7881 (loop-iv.o): Add df.h and hashtab.h dependency.
7882 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7884 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7887 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7889 (__floatundisf, __floatundidf): Likewise.
7890 * libgcc2.h (IS_IBM_EXTENDED): Define.
7892 2006-01-19 DJ Delorie <dj@redhat.com>
7894 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7896 2006-01-19 Paul Brook <paul@codesourcery.com>
7898 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7899 as nothrow when unwinding tables are disabled.
7901 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7904 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7905 of bit-field" when in system header.
7907 2006-01-19 DJ Delorie <dj@redhat.com>
7909 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7910 the 16 bit shift limit of the m16c.
7912 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7915 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7916 * config/i386/i386.c (output_set_got): Output the label if we have one
7917 for the TARGET_DEEP_BRANCH_PREDICTION case.
7919 2006-01-19 Jan Hubicka <jh@suse.cz>
7920 H.J. Lu <hongjiu.lu@intel.com>
7921 Evandro Menezes <evandro.menezes@amd.com>
7923 * invoke.texi (generic): Document
7925 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7926 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7927 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7928 (x86_use_incdec, x86_pad_returns): New variables
7929 (TARGET_CPU_DEFAULT_generic): New constant
7930 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7931 (enum processor_type): Add generic32 and generic64.
7932 * i386.md (cpu attribute): Add generic32/generic64
7933 (movhi splitter): Behave sanely when both partial_reg_dependency and
7934 partial_reg_stall are set.
7935 (K8 splitters): Enable for generic as well.
7936 * predicates.md (incdec_operand): Use TARGET_INCDEC
7937 (aligned_operand): Avoid memory mismatch stalls.
7938 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7939 * ppro.md: Enable for generic32
7940 * i386.c (generic64_cost, generic32_cost): New.
7941 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7942 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7943 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7944 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7945 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7946 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7947 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7948 x86_accumulate_outgoing_args, x86_prologue_using_move,
7949 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7950 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7952 (x86_use_incdec, x86_pad_returns): New.
7953 (override_options): Add generic32 and generic64, translate "generic"
7954 to generic32/generic64 and "i686" to "generic32", refuse
7955 "generic32"/"generic64" as arch target.
7956 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7957 (ix86_reorg): Honor PAD_RETURNS.
7959 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7961 * tree-pretty-print.c (dump_generic_node): Handle
7962 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7963 * cgraph.c (cgraph_expand_queue): Rename from
7964 cgraph_analyze_queue. Update all users.
7965 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7966 cgraph_expand_queue.
7967 (cgraph_expand_all_functions): Likewise.
7968 (cgraph_finalize_pending_functions): Remove. Update callers.
7970 * tree.h (OMP_DIRECTIVE_P): Define.
7971 (OMP_PARALLEL_FN): Define.
7972 (OMP_PARALLEL_DATA_ARG): Define.
7973 (OMP_SECTIONS_SECTIONS): Define.
7974 * tree-pass.h (pass_expand_omp): Declare.
7975 * omp-low.c (struct omp_region): Declare.
7976 (struct omp_context): Remove fields 'parallel_type',
7977 'parallel_start_ix' and 'parallel_start_additional_args'.
7979 (struct omp_for_data): Rename from struct expand_omp_for_data.
7980 (omp_regions): New static variable.
7981 (root_omp_region): New static variable.
7982 (find_omp_clause): Make static.
7983 (is_in_combined_parallel_ctx): Remove.
7984 (is_combined_parallel): New.
7985 (extract_omp_for_data): Move earlier in the file.
7986 (workshare_safe_to_combine_p): New.
7987 (get_ws_args_for): New.
7988 (determine_parallel_type): Move earlier in the file.
7989 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7991 (omp_copy_decl): Likewise.
7992 (create_omp_child_function): Likewise.
7993 (lookup_omp_region): New.
7994 (dump_omp_region): New.
7995 (debug_omp_region): New.
7996 (debug_all_omp_regions): New.
7997 (new_omp_region): New.
7998 (scan_omp_parallel): If parallel_nesting_level > 1, the
7999 directive is nested within another parallel directive.
8000 Set OMP_PARALLEL_FN.
8001 (scan_omp_for): Do not try to handle combined parallel+for
8003 Remove FIXME comment.
8004 (scan_omp_nested): Remove.
8005 (scan_omp_1): Do not call scan_omp_nested when
8006 parallel_nesting_level is > 1.
8007 Do not change the DECL_CONTEXT of local variables found.
8008 (lookup_decl_in_outer_ctx): New.
8009 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8010 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8011 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8012 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8013 If CTX is nested, lookup VAR in the outer context when
8014 building copy assignment.
8015 (lower_send_clauses): Rename from expand_send_clauses.
8016 If CTX is nested, lookup VAR in the outer context when
8017 building copy assignments.
8018 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8019 If CTX is nested, lookup VAR in the outer context when
8020 building copy assignments.
8021 (expand_parallel_call): Rename from build_parallel_call.
8022 Handle combined parallel+workshare cases.
8023 Re-implement to emit code into the CFG.
8025 (expand_omp_parallel): Re-implement to emit code into the CFG.
8026 Call move_sese_region_to_fn to outline the sub-graph
8027 containing the parallel region.
8028 (expand_omp_for_1): Remove.
8029 (expand_omp_for_generic): Re-implement to emit code into the
8031 (expand_omp_for_static_nochunk): Likewise.
8032 (expand_omp_for_static_chunk): Likewise.
8033 (expand_omp_for): Likewise.
8034 (expand_omp_sections): Likewise.
8035 (remove_exit_barriers): New.
8036 (expand_omp_synch): New.
8038 (build_omp_regions_1): New.
8039 (build_omp_regions): New.
8040 (execute_expand_omp): New.
8041 (gate_expand_omp): New.
8042 (pass_expand_omp): Define.
8043 (lower_omp_sections): Rename from expand_omp_sections.
8044 Set OMP_SECTIONS_SECTIONS.
8045 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8046 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8047 (lower_omp_single): Rename from expand_omp_simple.
8048 (lower_omp_master): Rename from expand_omp_master.
8049 (lower_omp_ordered): Rename from expand_omp_ordered.
8050 (lower_omp_critical): Rename from expand_omp_critical.
8051 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8052 (lower_omp_for): Re-implement.
8053 (lower_omp_parallel): Re-implement.
8054 (lower_regimplify): Rename from expand_regimplify.
8055 (lower_omp_1): Rename from expand_omp_1.
8056 If there are syntax errors in the program, replace every
8057 OpenMP directive with NOP.
8058 Call lower_omp_* instead of expand_omp_*.
8059 (lower_omp): Rename from expand_omp.
8061 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8062 * tree-gimple.h (enum omp_parallel_type): Remove.
8063 (gimple_boolify): Declare extern.
8064 (find_omp_clause, determine_parallel_type): Remove.
8066 * gimple-low.c (lower_omp_directive): New.
8067 (lower_stmt): Call it.
8068 (record_vars_into): Move from ...
8069 (record_vars): ... here.
8070 Call record_vars_into with current_function_decl.
8072 * gimplify.c (struct gimplify_ctx): Remove fields
8073 combined_pre_p and combined_ctxp. Update users.
8074 (get_formal_tmp_var): Add documentation.
8075 (gimple_boolify): Make extern.
8076 (gimplify_expr_in_ctx): Remove. Update callers.
8077 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8078 will always be a BIND_EXPR.
8079 (gimplify_expr): Handle OMP_RETURN_EXPR.
8080 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8081 (OMP_PARALLEL): Add 3 operands.
8082 (OMP_SECTIONS): Add 1 operand.
8083 (OMP_RETURN_EXPR): Define.
8085 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8086 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8087 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8088 creating a circular free list.
8089 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8091 * tree-flow.h (move_sese_region_to_fn): Declare.
8092 (record_vars_into): Declare.
8093 * tree-cfg.c (make_omp_sections_edges): New.
8094 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8095 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8096 OMP_SECTIONS and OMP_SECTION.
8097 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8098 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8099 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8100 (gather_blocks_in_sese_region): New.
8101 (struct move_stmt_d): Declare.
8103 (move_block_to_fn): New.
8104 (move_sese_region_to_fn): New.
8106 * passes.c (init_optimization_passes): Schedule
8107 pass_expand_omp after pass_init_datastructures.
8109 * tree-ssa-operands.c (get_expr_operands): Handle
8110 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8111 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8113 2006-01-19 Jeff Law <law@redhat.com>
8115 * tree-vrp.c (extract_range_from_assert): Refine the result range
8116 if the variable referenced by the ASSERT_EXPR has a range and
8117 either the tentative result range or the previous range is a
8120 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8122 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8124 2006-01-19 Jan Hubicka <jh@suse.cz>
8126 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8128 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8130 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8131 (expand_compound_operation, expand_field_assignment): Fail if the
8132 bit lengths of an extract operation are out of range.
8133 (make_extraction): Compute wanted_inner_mode based on the position
8134 and length of the extraction. Make it extraction_mode for non-constant
8135 positions, and do not modify offset in that case. When generating a
8136 new MEM, use a mode that can hold the extraction while keeping correct
8137 alignment. Remove code that supported MEMs wrapped by USEs.
8138 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8140 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8142 * config/s390/s390.md ("Y", "y"): New mode attribute.
8143 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8144 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8145 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8146 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8147 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8148 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8149 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8150 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8151 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8152 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8153 "addsi3", "subsi3"): Insn patterns removed.
8154 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8155 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8156 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8157 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8158 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8159 "*sub<mode>3_cconly2"): New insn patterns.
8160 ("addsi3", "subsi3"): New expanders.
8162 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8164 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8165 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8166 existing STMT_VINFO_VECTYPE if available.
8167 (vect_mark_relevant): Add special handling for stmts that are
8168 marked as STMT_VINFO_IN_PATTERN_P.
8169 (vect_analyze_loop): Call vect_pattern_recog.
8170 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8171 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8173 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8174 (vect_recog_func_ptr): New function-pointer type.
8175 * tree-vect-patterns.c: New file.
8176 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8177 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8178 (vect_pattern_recog_1): New functions.
8179 (vect_pattern_recog_funcs): New array of function pointers.
8181 * tree-vectorizer.h (ternary_op): New enum value.
8182 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8183 declaration. Revised documentation. Removed redundant dump prints.
8184 Removed redundant argument. Added support for reduction patterns.
8185 (vectorizable_reduction): Added support for reduction patterns.
8186 (vect_transform_stmt): Added support for patterns.
8188 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8189 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8190 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8191 (expand_widen_pattern_expr): New function.
8192 (init_optabs): Initialize new optabs udot_prod_optab,
8194 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8195 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8196 (expand_widen_pattern_expr): New function declaration.
8197 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8199 * tree-inline.c (estimate_num_insns_1): Added cases for new
8200 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8201 * tree-pretty-print.c (dump_generic_node): Likewise.
8202 (op_prio): Likewise.
8203 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8204 * tree-ssa-operands.c (get_expr_operands): Added case for
8206 * tree-vect-patterns.c (widened_name_p): New function.
8207 (vect_recog_dot_prod_pattern): Added function implementation.
8208 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8209 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8210 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8211 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8213 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8214 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8215 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8216 (init_optabs): Initialize new optabs widen_ssum_optab,
8218 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8219 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8220 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8221 use instead of type of def.
8222 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8223 function implementation.
8224 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8225 widen_ssumv8hi): New.
8227 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8230 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8233 * c-decl.c (add_flexible_array_elts_to_size): New function.
8234 (finish_decl): Use it.
8236 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8238 * diagnostic.h: Include options.h.
8239 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8240 dependancies for diagnostic.h.
8241 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8243 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8245 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8246 (ssa_ro_call_cache_valid): Ditto.
8247 * tree-ssa-alias.c (sort_tags_by_id): New function.
8248 (init_transitive_clobber_worklist): Ditto.
8249 (add_to_worklist): Ditto.
8250 (mark_aliases_call_clobbered): Ditto.
8251 (compute_tag_properties): Ditto.
8252 (set_initial_properties): Ditto.
8253 (compute_call_clobbered): Ditto.
8254 (compute_may_aliases): Call compute_call_clobbered and grouping.
8255 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8256 (compute_flow_insensitive_aliasing): Grouping now happens in our
8258 (setup_pointers_and_addressables): Remove clobbering related code.
8259 (add_may_alias): Ditto.
8260 (replace_may_alias): Ditto.
8261 (get_nmt_for): Ditto.
8262 (create_global_var):
8263 (is_escape_site): Return an escape_type enumeration.
8264 * tree-flow-inline.h (is_call_clobbered): Global var does not
8265 imply call clobbered.
8266 (mark_call_clobbered): Take a reason for marking this. Remove
8267 marking of globalness, and cache invalidation.
8268 (clear_call_clobbered): Remove cache invalidation code.
8269 * tree-dfa.c (dump_variable): If details is on, dump the reason
8271 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8273 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8274 (struct var_ann_d): Ditto.
8275 (enum escape_type): New.
8276 (mark_call_clobbered): Adjust prototype.
8277 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8278 are never call clobbered.
8279 Record reasons for escaping.
8280 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8281 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8282 (ssa_ro_call_cache_valid): Ditto.
8283 (clobbered_v_may_defs): Ditto.
8284 (clobbered_vuses): Ditto.
8285 (ro_call_vuses): Ditto.
8286 (clobber_stats): New.
8287 (init_ssa_operands): Zero out clobber stats.
8288 (fini_ssa_operands): Print out clobber stats.
8289 (get_call_expr_operands): Pass callee fndecl to
8291 (add_call_clobber_ops): Remove use of cache.
8292 Add use of PURE_CONST information.
8293 (add_call_read_ops): Remove use of cache.
8294 Add use of static not_read information.
8296 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8298 Introduce TLS descriptors for i386 and x86_64.
8299 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8300 (TARGET_ANY_GNU_TLS): New macro.
8301 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8302 (struct machine_function): Add tls_descriptor_call_expanded_p.
8303 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8304 (ix86_current_function_calls_tls_descriptor): Likewise.
8305 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8306 (override_options): Introduce gnu2 tls dialect.
8307 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8309 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8311 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8312 (ix86_init_machine_status): Initialize new field.
8313 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8314 (ix86_tls_module_base): New.
8315 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8316 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8317 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8318 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8319 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8320 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8321 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8322 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8323 * config/i386/predicates.md (tls_modbase_operand): New.
8324 (tp_or_register_operand): New.
8326 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8328 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8329 (look_for_address_of): Ditto.
8330 (ipa_init): Walk the function decls.
8331 (static_execute): Don't set readonly on FUNCTION_DECL's.
8333 2006-01-18 Roger Sayle <roger@eyesopen.com>
8335 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8336 for shifts where the source and destination registers are different.
8338 2006-01-18 Paul Brook <paul@codesourcery.com>
8340 Merge from csl-arm-branch.
8341 2005-03-14 Julian Brown <julian@codesourcery.com>
8342 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8343 (aeabi_llsl): Likewise.
8344 (ashrdi3): Likewise.
8345 (aeabi_lasr): Likewise.
8346 (lshrdi3): Likewise.
8347 (aeabi_llsr): Likewise.
8348 2005-03-10 Julian Brown <julian@codesourcery.com>
8349 * config.gcc: Disable shared libgcc for SymbianOS.
8350 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8352 2006-01-18 DJ Delorie <dj@redhat.com>
8354 * c-pragma.c (handle_pragma_diagnostic): New.
8355 (init_pragma): Register it.
8356 * doc/extend.texi: Document it.
8358 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8359 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8360 (diagnostic_context): Add classify_diagnostic[].
8361 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8362 as errors if they're overridden to DK_WARNING.
8363 (diagnostic_initialize): Initialize classify_diagnostic[].
8364 (diagnostic_set_kind_override): New.
8365 (diagnostic_report_diagnostic): Check for kind changes.
8366 * opts.c (common_handle_option): Take lang_mask. Update callers.
8368 * common.opt (Werror=): New.
8369 * doc/invoke.texi: Document -Werror=*
8371 2006-01-18 Jeff Law <law@redhat.com>
8373 * tree-vrp.c (test_for_singularity): Correct test for new
8374 min limit. Use operand_equal_p rather than pointer equality
8375 for testing if new min/max values are equal.
8377 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8378 using range information until after propagation and folding.
8380 2006-01-18 Richard Henderson <rth@redhat.com>
8381 Aldy Hernandez <aldyh@redhat.com>
8382 Jakub Jelinek <jakub@redhat.com>
8383 Diego Novillo <dnovillo@redhat.com>
8385 * omp-low.c: New file.
8386 * c-omp.c: New file.
8388 2006-01-18 Richard Henderson <rth@redhat.com>
8389 Jakub Jelinek <jakub@redhat.com>
8390 Diego Novillo <dnovillo@redhat.com>
8392 * doc/invoke.texi: Document -fopenmp.
8393 * tree-dump.h (debug_function): Declare.
8394 * hooks.c (hook_bool_tree_bool_false): New function.
8395 (hook_tree_tree_null): Remove.
8396 (hook_tree_tree_tree_null): New.
8397 * hooks.h: Update to match.
8398 * tree-pretty-print.c (debug_tree_chain): New.
8399 (print_generic_expr): Handle TDF_CHAIN.
8400 (dump_generic_node): Handle BLOCK.
8401 Do not abort with incomplete SWITCH_EXPRs.
8402 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8403 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8404 print space after directive name.
8405 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8406 Handle OMP_MASTER and OMP_ORDERED.
8407 Handle printing of OMP_BODY just in one place, goto
8408 dump_omp_body in the rest of OMP_* nodes that have
8410 Don't handle clause nodes here. Update omp statements to
8411 use dump_omp_clauses.
8412 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8413 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8414 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8415 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8416 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8417 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8418 Adjust output for GOMP_PARALLEL.
8419 (dump_omp_clauses): New.
8420 (print_declaration): Dump DECL_VALUE_EXPR.
8421 (op_symbol_1): Split out of op_symbol.
8422 (dumping_stmts): Remove. Update all users.
8423 * cgraph.c (cgraph_analyze_queue): New.
8424 (cgraph_add_new_function): New.
8425 * cgraph.h (cgraph_analyze_queue): Declare.
8426 (cgraph_add_new_function): Declare.
8427 (cgraph_lower_function): Remove.
8428 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8429 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8430 and TYPE_P nodes in its default clause.
8431 (empty_body_p): New.
8432 (tree_range_check_failed): New.
8434 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8435 OMP_CLAUSE_REDUCTION_MERGE,
8436 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8437 OMP_CLAUSE_PRIVATE_DEBUG,
8438 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8439 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8440 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8441 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8442 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8443 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8444 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8445 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8446 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8447 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8448 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8449 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8450 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8451 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8452 (TREE_RANGE_CHECK): New.
8453 (empty_body_p): Declare.
8454 (enum omp_clause_default_kind): New.
8455 (build_string_literal): Declare.
8456 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8457 (build5_stat, build5): Declare.
8458 * tree-pass.h (TDF_CHAIN): Define.
8459 * tree-pass.h (PROP_gimple_lomp): Define.
8460 (pass_lower_omp): Declare.
8461 * diagnostic.h (debug_tree_chain): Declare.
8462 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8464 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8465 * builtins.c (build_string_literal): Make extern.
8466 * gcc.c (include_spec_function): New.
8467 (static_spec_functions): Add it.
8468 (main): Move load of libgomp.spec ...
8469 (LINK_COMMAND_SPEC): ... here.
8470 (link_gomp_spec): New.
8471 (static_specs): Include it.
8472 (LINK_COMMAND_SPEC): Add link_gomp.
8473 (GOMP_SELF_SPECS): New.
8474 (driver_self_specs): Include it.
8475 (switch_matches): Don't mark inline.
8476 (main): Load libgomp.spec.
8477 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8478 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8479 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8480 * tree-gimple.h (enum omp_parallel): Declare.
8481 (determine_parallel_type): Declare.
8482 (omp_firstprivatize_variable): Declare.
8483 (omp_reduction_init): Declare.
8484 (diagnose_omp_structured_block_errors): Declare.
8485 (struct walk_stmt_info): Add want_return_expr.
8486 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8487 (find_omp_clause): Declare.
8488 (insert_field_into_struct): Declare.
8489 (struct walk_stmt_info): Move from tree-nested.c
8490 (walk_stmts): Declare.
8491 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8493 * cgraphunit.c (cgraph_lower_function): Make static.
8494 (cgraph_finalize_pending_functions): New.
8495 (cgraph_finalize_function): Call it.
8496 (cgraph_finalize_compilation_unit): Likewise.
8497 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8498 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8499 (BT_FN_UINT_UINT): New.
8500 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8501 DEF_FUNCTION_TYPE_VAR_4): Document.
8502 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8503 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8504 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8505 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8506 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8507 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8508 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8509 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8510 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8511 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8512 into separate files.
8513 (DEF_GOMP_BUILTIN): New.
8514 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8515 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8516 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8517 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8518 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8519 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8520 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8521 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8522 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8523 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8524 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8525 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8526 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8527 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8528 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8529 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8530 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8531 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8532 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8533 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8534 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8535 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8536 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8537 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8538 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8539 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8540 * sync-builtins.def: New file, moved from builtins.def.
8541 * omp-builtins.def: New file, moved from builtins.def.
8542 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8543 * gimple-low.c (lower_function_body): Clear data.
8544 (lower_stmt): Do not handle COMPOUND_EXPR.
8545 Remove call to print_node_brief.
8546 * c-tree.h (c_finish_omp_clauses): New prototype.
8547 (C_DECL_THREADPRIVATE_P): Define.
8548 (lookup_name_no_remap, c_omp_remap_private): Remove
8549 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8550 (check_for_loop_decls): Update decl.
8551 (lookup_name_no_remap, c_omp_remap_private): Declare.
8552 (build_indirect_ref, build_modify_expr, pushdecl,
8553 pushdecl_top_level): Move to c-common.h.
8554 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8555 before the switch, but just in the 2 places that need it.
8556 * c-decl.c (diagnose_mismatched_decls): Do not check for
8557 mismatched thread-local attributes when OLDDECL is marked
8558 threadprivate and NEWDECL has no thread-local attributes.
8559 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8560 (c_gimple_diagnostics_recursively): Rename from
8561 c_warn_unused_result_recursively. Invoke
8562 diagnose_omp_structured_block_errors.
8563 (check_for_loop_decls): Return a singular decl found.
8564 * langhooks.c (lhd_omp_predetermined_sharing): Return
8565 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8566 (lhd_omp_firstprivatize_type_sizes): New.
8567 (lhd_omp_assignment): New.
8568 (lhd_omp_predetermined_sharing): New.
8569 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8570 (struct lang_hooks_for_types): Add
8571 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8572 omp_predetermined_sharing, omp_disregard_value_expr,
8573 omp_private_debug_clause, omp_clause_default_ctor,
8574 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8575 (c_finish_omp_clauses): New.
8576 (c_finish_bc_stmt): Diagnose break within omp for.
8577 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8578 (build_unary_op): Return error_mark after reporting
8580 (build_modify_expr): Likewise.
8581 * gimplify.c: Include optabs.h and pointer-set.h.
8582 (enum gimplify_omp_var_data): Declare.
8583 (struct gimplify_omp_ctx): Declare.
8584 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8586 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8587 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8588 (splay_tree_compare_decl_uid): New.
8589 (new_omp_context): New.
8590 (delete_omp_context): New.
8591 (gimple_add_tmp_var): Call omp_add_variable.
8592 (gimplify_bind_expr): Likewise.
8593 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8594 true, disregard DECL_VALUE_EXPR on the decl if any.
8595 (gimplify_expr_in_ctx): New.
8596 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8597 omp_add_variable, omp_notice_variable, omp_is_private
8598 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8599 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8600 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8601 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8602 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8603 gimplify_omp_atomic): New.
8604 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8605 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8606 OMP_CRITICAL and OMP_ATOMIC.
8607 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8608 * c-pragma.h (enum pragma_kind): Add
8609 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8610 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8611 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8612 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8613 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8614 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8615 PRAGMA_OMP_THREADPRIVATE.
8616 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8617 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8618 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8619 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8620 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8621 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8622 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8623 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8624 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8625 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8626 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8627 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8628 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8630 (struct nesting_info): Add field_map,
8631 suppress_expansion, debug_var_chain.
8632 (create_nesting_tree): Initialize them.
8633 (lookup_field_for_decl): Use field_map.
8634 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8635 (convert_local_omp_clauses): New.
8636 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8637 (walk_body): Split out of walk_function.
8638 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8639 (convert_nonlocal_reference): Handle omp statements.
8640 (convert_local_reference): Likewise.
8641 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8642 (unnest_nesting_tree): New.
8643 (lower_nested_functions): Call it.
8644 (insert_field_into_struct): Make extern.
8645 (struct walk_stmt_info): Move to tree-gimple.h.
8646 (walk_stmts): Make extern.
8647 * omp-builtins.def: New file.
8648 * tree-iterator.c (expr_only): Clarify comment.
8649 * c-common.h (pushdecl_top_level, pushdecl,
8650 build_modify_expr, build_indirect_ref,
8651 c_finish_omp_master, c_finish_omp_critical,
8652 c_finish_omp_ordered, c_finish_omp_barrier,
8653 c_finish_omp_atomic, c_finish_omp_flush,
8654 c_finish_omp_for, c_split_parallel_clauses,
8655 omp_clause_default_kind, c_omp_sharing_predetermined,
8656 c_omp_remap_decl): Declare.
8657 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8658 (OBJS-common): Add omp-low.o.
8659 (c-omp.o, omp-low.o): Add.
8660 (gimplify.o): Add dependency on $(OPTABS_H).
8661 (GTFILES): Add omp-low.c.
8662 (gt-stringpool.h): Add.
8663 * tree-cfg.c (set_bb_for_stmt): Do not update the
8664 block-to-labels map if we are currently expanding to RTL.
8665 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8667 Handle IDENTIFIER_NODE.
8668 (tree_verify_flow_info): Do not ICE when emitting error
8669 messages about invalid labels.
8670 (dump_function_to_file): Reset CFUN before emitting the body
8672 (debug_function): New.
8673 * passes.c (init_optimization_passes): Schedule
8675 * langhooks-def.h (lhd_omp_predetermined_sharing,
8676 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8678 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8679 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8680 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8681 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8682 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8683 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8684 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8685 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8686 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8687 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8688 (LANG_HOOK_DECLS): Use them.
8690 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8691 Richard Henderson <rth@redhat.com>
8692 Jakub Jelinek <jakub@redhat.com>
8693 Diego Novillo <dnovillo@redhat.com>
8695 * c-parser.c (pragma_omp_clause): Define.
8696 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8697 (c_parser_compound_statement): Likewise.
8698 (c_parser_statement): Likewise.
8699 (c_parser_pragma): Handle omp pragmas.
8700 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8701 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8702 (c_parser_omp_clause_name, check_no_duplicate_clause,
8703 c_parser_omp_variable_list,
8704 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8705 c_parser_omp_clause_copyprivate,
8706 c_parser_omp_clause_default,
8707 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8708 c_parser_omp_clause_lastprivate,
8709 c_parser_omp_clause_nowait,
8710 c_parser_omp_clause_num_threads,
8711 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8712 c_parser_omp_clause_reduction,
8713 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8714 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8715 c_parser_omp_atomic, c_parser_omp_barrier,
8716 c_parser_omp_critical, c_parser_omp_flush,
8717 c_parser_omp_for_loop, c_parser_omp_for,
8718 c_parser_omp_master, c_parser_omp_ordered,
8719 c_parser_omp_sections_scope, c_parser_omp_sections,
8720 c_parser_omp_parallel, c_parser_omp_single,
8721 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8722 * c-pragma.c (init_pragma): Do omp pragma registration here.
8723 * c.opt (fopenmp): New flag.
8725 2006-01-18 Eric Christopher <echristo@apple.com>
8727 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8728 * config/darwin.h (GOMP_SELF_SPECS): Define.
8730 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8732 * rtl.h: Remove the prototype for reg_alloc.
8734 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8737 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8738 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8739 sjlj and dwarf2 exception handling.
8740 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8741 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8742 * pa/pa.c (function_value): Treat complex and vector types as
8744 (function_arg): Likewise. Only pass scalar floats in the floating
8745 point argument registers.
8746 * pa/t-slibgcc-dwarf-ver: New file.
8747 * pa/t-slibgcc-sjlj-ver: New file.
8748 * pa/t-slibgcc-elf-ver: Delete file.
8750 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8752 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8753 unlikely_test_section_p test.
8755 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8757 * mode-switching.c (optimize_mode_switching): Make it static.
8758 * basic-block.h: Remove the prototype for
8759 optimize_mode_switching.
8761 * modulo-sched.c (sms_schedule): Make it static.
8762 * rtl.h: Remove the prototype for sms_schedule.
8764 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8765 * rtl.h: Remove the prototype for gcse_after_reload_main.
8767 * reg-stack.c (reg_to_stack): Make it static.
8768 * rtl.h: Remove the prototype for reg_to_stack.
8770 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8772 * rtl.h: Remove the prototypes for regrename_optimize and
8773 copyprop_hardreg_forward.
8775 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8777 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8778 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8779 Test against the appropriate null constant for the mode.
8780 If 'fixup_overlap' is true, swap the operands if they overlap.
8781 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8782 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8783 alpha_split_tmode_pair and adjust for above change.
8784 * config/alpha/alpha.md (movtf_internal): Adjust call to
8785 alpha_split_tfmode_pair and rely on it to swap the operands.
8786 (movti_internal): New insn and post-reload splitter.
8787 (movti): New expander.
8789 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8791 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8794 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8796 * rtlanal.c (global_reg_mentioned_p_1,
8797 global_reg_mentioned_p): Remove.
8798 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8800 * flow.c (initialize_uninitialized_subregs): Make it static.
8801 * rtl.h: Remove the prototype for
8802 initialize_uninitialized_subregs.
8804 * function.c (instantiate_virtual_regs): Make it static.
8805 * function.h: Remove the prototype for
8806 instantiate_virtual_regs.
8808 * regmove.c (regmove_optimize, combine_stack_adjustments):
8810 * rtl.h: Remove the prototypes for regmove_optimize and
8811 combine_stack_adjustments.
8813 2006-01-17 Roger Sayle <roger@eyesopen.com>
8815 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8816 (size_cost): Encode costs in bytes so that a reg-reg addition is
8817 equivalent to COSTS_N_INSNS(1).
8818 (override_options): Use the size_cost.branch_cost as the default
8819 ix86_branch_cost when optimizing for size.
8821 2006-01-18 Ben Elliston <bje@au.ibm.com>
8823 * Makefile.in (D32PBIT_FUNCS): New.
8824 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8825 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8826 D64PBIT_FUNCS and D128PBIT_FUNCS.
8827 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8828 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8830 (decnumber_dep): Define.
8831 * doc/libgcc.texi (Decimal float library routines): New node.
8832 * config/dfp-bit.h, config/dfp-bit.c: New files.
8834 2006-01-18 Ben Elliston <bje@au.ibm.com>
8836 * expr.c (emit_move_change_mode): Always adjust addresses, not
8837 just during reload. Copy replacements only during reload.
8838 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8839 emit_move_via_integer.
8841 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8843 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8844 instead of $(srcdir) and ${srcdir}.
8846 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8850 * arm.h (struct machine_function): Add pic_reg.
8851 * arm.c (arm_pic_register): Make unsigned.
8852 (arm_override_options): Only set arm_pic_register if
8853 TARGET_SINGLE_PIC_BASE.
8854 (use_return_insn): Only test for a pic register if it is fixed.
8855 (arm_compute_save_reg0_reg12_mask): Likewise.
8856 (thumb_compute_save_reg_mask): Likewise.
8857 (legitimate_pic_operand): Factor out some known invariants.
8858 (legitimize_pic_address): If we don't have a fixed pic register,
8859 then set up a pseudo in the function entry sequence. Handle the
8860 pic base being in a pseudo.
8861 (arm_load_pic_register): Handle the pic register being in a pseudo.
8862 (arm_expand_prologue): Only set up the pic register if it is fixed.
8863 (thumb_expand_prologue): Likewise.
8864 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8865 (pic_load_addr_based_insn): Likewise.
8866 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8869 2006-01-18 Ben Elliston <bje@au.ibm.com>
8871 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8872 decimal float modes for all floating point registers.
8874 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8875 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8877 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8880 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8881 even when the pointer is not NULL.
8883 2006-01-16 Ian Lance Taylor <ian@airs.com>
8885 * common.opt (ftoplevel-reorder): New option.
8886 * cgraph.c (cgraph_asm_nodes): New global variable.
8887 (cgraph_asm_last_node): New static variable.
8888 (cgraph_order): New global variable.
8889 (cgraph_create_node): Set new order field.
8890 (cgraph_varpool_node): Likewise.
8891 (decide_is_variable_needed): Return true if not
8892 flag_toplevel_reorder.
8893 (cgraph_add_asm_node): New function.
8894 * cgraph.h (struct cgraph_node): Add order field.
8895 (struct cgraph_varpool_node): Add order field.
8896 (struct cgraph_asm_node): Define.
8897 (cgraph_asm_nodes, cgraph_order): Declare.
8898 (cgraph_add_asm_node): Declare.
8899 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8901 (cgraph_varpool_assemble_pending_decls): Call it.
8902 (cgraph_output_pending_asms): New static function.
8903 (cgraph_finalize_compilation_unit): Call it.
8904 (struct cgraph_order_sort): Define.
8905 (cgraph_output_in_order): New static function.
8906 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8907 !flag_toplevel_reorder case.
8908 * c-parser.c: Include "cgraph.h".
8909 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8911 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8912 than -fno-unit-at-a-time.
8913 * doc/invoke.texi (Option Summary): Mention
8914 -fno-toplevel-reorder.
8915 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8916 -funit-at-a-time documentation.
8918 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8919 Kazu Hirata <kazu@codesourcery.com>
8921 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8923 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8925 * Makefile.in (FUNCTION_H): New. Use it instead of
8926 function.h throughout the file.
8927 * function.h: Include tree.h.
8929 2006-01-17 Ben Elliston <bje@au.ibm.com>
8931 * recog.c: Separate some functions with whitespace.
8933 2006-01-16 Richard Henderson <rth@redhat.com>
8935 Merge from gomp branch:
8936 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8937 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8938 and rename from struct inline_data. Rename callee* to dst*;
8939 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8940 transform_new_cfg, transform_return_to_modify, and
8941 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8943 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8944 (copy_decl_for_dup): Remove.
8945 * tree-inline.c (struct inline_data): Move to header.
8946 (insert_decl_map): Export.
8947 (remap_decl): Update for member name changes. Use copy_decl hook.
8948 Allow for replacement to be a non-decl. Remove dead code.
8949 (remap_type_1): Check for existing mapping.
8950 (remap_type): Export.
8951 (remap_decls): Update for member name changes.
8952 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8953 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8954 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8955 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8956 (tree_function_versioning, build_duplicate_type): Likewise.
8957 (copy_body_r): Likewise. Export.
8958 (copy_decl_for_dup): Split into ...
8959 (copy_decl_for_dup_finish, copy_decl_to_var,
8960 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8961 (replace_ref_tree, inlining_p): Remove.
8963 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8965 * ifcvt.c (if_convert): Make it static.
8966 * rtl.h: Remove the prototype for if_convert.
8968 * local-alloc.c (local_alloc): Make it static.
8969 * rtl.h: Remove the prototype for local_alloc.
8971 * loop.c (loop_optimize): Make it static.
8972 * cfgloop.h: Remove the prototype for loop_optimize.
8975 2006-01-16 DJ Delorie <dj@redhat.com>
8977 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8980 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8982 * pa.md: Disparage copies between general and floating-point registers
8983 in 32-bit move patterns.
8985 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8988 * Makefile.in (check-%): Depend on site.exp instead of
8989 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8992 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8994 * global.c (global_alloc): Make it static.
8995 * rtl.h: Remove the prototype for global_alloc.
8997 2006-01-16 Richard Guenther <rguenther@suse.de>
8999 * tree-ssa-alias.c (struct used_part): Add write_only field.
9000 (get_or_create_used_part_for): Initialize it to true.
9001 (create_overlap_variables_for): Don't create structure variables
9002 for structures that only are written to.
9003 (find_used_portions): Handle MODIFY_EXPR to track whether a
9004 structure is only written to.
9006 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9008 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9010 * basic-block.h: Remove the prototype for
9011 partition_hot_cold_basic_blocks.
9013 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9015 * cppspec.c (lang_specific_spec_functions): Remove.
9016 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9017 * gcc.h (lang_specific_spec_functions): Remove.
9018 * gccspec.c (lang_specific_spec_functions): Remove.
9020 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9022 * combine.c (record_value_for_reg): Invalidate registers
9024 (record_dead_and_set_regs_1): Likewise, by passing them to
9025 record_value_for_reg.
9026 (record_dead_and_set_regs): Invalidate stores made by a
9027 call. We do not combine across a call, but we still
9028 relied on equivalences.
9030 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9032 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9033 vrp_int_const_binop returning non-constant nodes.
9035 2006-01-16 Paul Brook <paul@codesourcery.com>
9037 * config/m68k/m68k.c (output_move_const_into_data_reg):
9038 Output correct mnemonic for mvz and mvs.
9040 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9042 * rtl-factoring.c: Add sequence abstraction algorithm.
9043 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9044 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9046 (block_has_preserve_label): New function.
9047 * common.opt: Register new pass.
9048 * Makefile.in: Ditto.
9050 * timevar.def: Ditto.
9051 * tree-pass.h: Ditto.
9052 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9053 * rtl.h (make_jump_insn_raw): Add forward decl.
9054 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9056 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9057 Roger Sayle <roger@eyesopen.com>
9059 * fold-const.c (fold_minmax): New static function.
9060 (fold_binary) <MIN_EXPR>: Call it.
9061 <MAX_EXPR>: Likewise.
9062 * stor-layout.c (place_field): Use DECL_SIZE consistently
9063 in the computation of the new record size.
9065 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9067 * cse.c (cse_condition_code_reg): Make it static.
9068 * rtl.h: Remove the prototype for cse_condition_code_reg.
9070 * combine.c (combine_instructions): Make it static.
9071 * rtl.h: Remove the prototype for combine_instructions.
9073 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9076 * tree.c (get_file_function_name_long): Concatenate the first global
9077 object name with a string derived from the input filename of the object
9080 2006-01-16 Ben Elliston <bje@au.ibm.com>
9082 * config/i386/winnt-stubs.c: Update FSF address.
9083 * config/xtensa/ieee754-df.S: Ditto.
9084 * config/xtensa/ieee754-sf.S: Ditto.
9086 2006-01-14 Ian Lance Taylor <ian@airs.com>
9088 * ifcvt.c (noce_init_if_info): New static function, broken out of
9089 noce_process_if_block.
9090 (noce_process_if_block): Call noce_init_if_info.
9091 (check_cond_move_block): New static function.
9092 (cond_move_process_if_block): New static function.
9093 (process_if_block): Call cond_move_process_if_block.
9095 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9097 * cselib.c (hash_table): Rename to cselib_hash_table.
9098 (cselib_clear_table, discard_useless_values,
9099 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9100 cselib_init, cselib_finish): Adjust uses of hash_table.
9102 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9104 PR tree-optimization/25485
9105 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9106 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9107 is known to be false and true, respectively.
9109 2006-01-14 Richard Guenther <rguenther@suse.de>
9111 PR tree-optimization/22548
9112 PR tree-optimization/22555
9113 PR tree-optimization/22501
9114 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9115 * params.def (salias-max-array-elements): New parameter.
9116 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9117 * doc/invoke.texi (salias-max-array-elements): Document.
9118 * tree-flow-inline.h (var_can_have_subvars): We also handle
9120 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9122 * tree-ssa-structalias.c (params.h): Include.
9123 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9124 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9125 (get_constraint_for): For ADDR_EXPR operating on something
9126 containing an ARRAY_REF, add all subvars to the solution.
9127 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9128 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9129 for creating MUST_DEFs.
9130 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9132 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9134 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9136 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9137 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9138 number_of_iterations_le): New functions.
9139 (number_of_iterations_special): Removed.
9140 (number_of_iterations_exit): Do not use number_of_iterations_special.
9141 * tree.c (unsigned_type_for): Always return integer type.
9143 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9144 Richard Guenther <rguenther@suse.de>
9146 PR rtl-optimization/24257
9147 * gcse.c (find_moveable_store): Only consider a store movable
9148 when the SET_SRC of the insn can be assigned to a register.
9150 2006-01-14 Ian Lance Taylor <ian@airs.com>
9152 * tree.c (tree_not_class_check_failed): New function.
9153 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9154 (tree_not_class_check_failed): Declare.
9156 2006-01-13 Ian Lance Taylor <ian@airs.com>
9158 * reload1.c (do_output_reload): Add assertion rejecting a
9161 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9163 * combine.c (struct reg_stat): Add new fields truncation_label and
9165 (record_value_for_reg): Reset truncated_to_mode.
9166 (record_truncated_value): New function.
9167 (check_promoted_subreg): Call it. Rename to check_conversions.
9168 (combine_instructions): Rename check_promoted_subreg to
9170 (reg_truncated_to_mode): New function.
9171 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9172 (gen_lowpart_or_truncate): New function.
9173 (force_to_mode): Use it instead of gen_lowpart.
9175 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9177 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9178 VAR is a tag, not its type tag.
9180 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9182 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9183 alternatives to match style of other entries.
9184 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9186 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9188 PR tree-optimization/25771
9189 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9192 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9195 * tree-inline.c (declare_return_variable): If the return variable
9196 was marked as a non gimple complex, set the return slot variable
9197 to be a non gimple comple variable.
9199 2006-01-13 Richard Guenther <rguenther@suse.de>
9201 * builtins.c (expand_builtin_sincos): New function.
9202 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9204 (expand_builtin): Expand sincos using expand_builtin_sincos.
9206 2006-01-12 DJ Delorie <dj@redhat.com>
9208 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9209 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9210 so that constant shifts can be split.
9211 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9212 (m32c_valid_pointer_mode): Make static.
9213 (shift_gen_func_for): New.
9214 (m32c_prepare_shift): Use it. Split large const shifts into
9216 * config/m32c/predicates.md (shiftcount_operand): Allow more
9218 (longshiftcount_operand): New.
9219 * doc/md.texi (Machine Constraints): Document In6.
9221 2006-01-13 Ben Elliston <bje@au.ibm.com>
9223 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9224 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9227 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9229 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9230 to try to avoid clobbering pieces of structures when we know
9231 something about the whole structure.
9232 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9234 2006-01-13 Ben Elliston <bje@au.ibm.com>
9236 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9237 return in memory, as this is no limitation is no longer present.
9239 2006-01-12 DJ Delorie <dj@redhat.com>
9241 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9242 mova with fb, and for fb+0 -> An.
9244 * config/m32c/mov.md (peephole2): Fix enabling logic.
9246 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9247 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9248 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9249 FINI_ARRAY_SECTION_ASM_OP): Define.
9251 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9253 (m32c_legitimize_reload_address): New logic to reload FB to An.
9254 (m32c_output_reg_push): Add newline.
9255 (m32c_output_reg_pop): Likewise.
9257 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9259 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9261 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9263 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9265 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9267 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9270 2006-01-11 Ben Elliston <bje@au.ibm.com>
9272 * rtlanal.c (find_reg_note): Assert insn is not null.
9274 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9276 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9279 2006-01-11 Jeff Law <law@redhat.com>
9281 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9283 (mark_threaded_blocks, register_jump_thread): New functions.
9284 (thread_through_all_blocks): Remove unwanted argument. No
9285 longer rely on e->aux to communicate thread target info.
9286 Call mark_threaded_blocks. Release the threaded_blocks
9287 bitmap and threaded_edges vector when complete.
9288 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9289 (threaded_blocks): Remove.
9290 (tree_ssa_dominator_optimize): Remove initialization and
9291 finalization of threaded_blocks. Simplify call to
9292 thread_through_all_blocks.
9293 (thread_across_edge): Call register_jump_thread rather than
9294 storing thread information into e->aux.
9295 (free_all_edge_infos): Simplify now that e->aux is no longer
9296 used to communicate with thread_through_all_blocks.
9297 * tree-flow.h (thread_through_all_blocks): Update prototype.
9298 (register_jump_thread): Prototype.
9300 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9302 * df-core.c (df_compact_blocks, df_bb_replace): Use
9303 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9305 2006-01-11 Richard Guenther <rguenther@suse.de>
9307 PR tree-optimization/25734
9308 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9309 stop propagation after successful propagation to the LHS.
9311 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9313 * basic-block.h (control_flow_graph): Change the type of
9314 x_basic_block_info to VEC(basic_block,gc) *.
9315 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9317 (SET_BASIC_BLOCK): New.
9318 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9319 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9320 * cfgbuild.c (find_basic_blocks): Likewise.
9321 * cfglayout.c (fixup_reorder_chain): Likewise.
9322 * cfgrtl.c (create_basic_block_structure,
9323 rtl_create_basic_block): Likewise.
9324 * ifcvt.c (find_if_case_1): Likewise.
9325 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9328 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9330 * Makefile.in: Removed rotted odf.c entry.
9332 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9335 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9336 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9337 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9338 output pattern modifier, not %e.
9339 * config/cris/cris.c (cris_op_str): Update comment about pattern
9341 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9342 before falling through into...
9343 <case 'E'>: Redefined from old 'e' case.
9345 2006-01-11 Jan Hubicka <jh@suse.cz>
9348 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9350 2006-01-11 Jan Hubicka <jh@suse.cz>
9352 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9353 * i386.c (x86_decompose_lea): Kill.
9354 (ix86_rtx_costs): Kill.
9356 2006-01-11 Jan Hubicka <jh@suse.cz>
9358 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9359 * cgraph.h (cgraph_node): Add inline_decl.
9360 (cgraph_insert_node_to_hashtable): Declare.
9361 (save_inline_function_body): Declare.
9362 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9364 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9365 (cgraph_function_versioning): Update call of tree_function_versioning.
9366 (save_inline_function_body): New function.
9367 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9368 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9369 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9370 (cgraph_default_inline_p): Likewise.
9371 (cgraph_decide_inlining_incrementally): Likewise.
9372 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9373 (copy_bb): Kill saving; do updating of clones.
9374 (copy_cfg_body): Kill saving.
9375 (initialize_inlined-parameters): Likewise.
9376 (expand_call_inline): Likewise.
9378 (tree_function_versioning): New parameter "update_clones".
9379 (inlining_p): Kill saving.
9380 * tree-inline.h (tree_function_versioning): Update prototype.
9381 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9384 2006-01-11 Ian Lance Taylor <ian@airs.com>
9386 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9387 Allow undoing set of machine mode.
9388 (do_SUBST): Use enums instead of is_int.
9389 (do_SUBST_MODE): New function.
9390 (SUBST_MODE): New macro.
9391 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9392 reg and trying to replace reg_regno_rtx with a new register.
9393 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9394 (simplify_set): Use SUBST_MODE.
9395 (distribute_notes): Remove code that tried to update reg notes
9396 for regno_reg_rtx changes.
9398 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9400 PR tree-optimization/23109
9401 PR tree-optimization/23948
9402 PR tree-optimization/24123
9404 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9405 * tree-cfg.c (single_noncomplex_succ): New.
9406 * tree-flow.h (single_noncomplex_succ): Declare it.
9407 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9408 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9409 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9410 insert_bb, register_division_in, insert_reciprocals,
9411 replace_reciprocal, free_bb): New.
9412 (execute_cse_reciprocals_1): Rewritten.
9413 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9414 Do not commit any edge insertion. Always compute dominators and
9415 create the allocation pool.
9416 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9417 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9418 * targhooks.c (default_min_divistions_for_recip_mul): New.
9419 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9420 * passes.c (init_optimization_passes): Run recip after tree loop
9422 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9424 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9425 Kenneth Zadeck <zadeck@naturalbridge.com>
9427 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9428 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9429 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9430 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9431 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9432 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9433 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9434 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9435 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9436 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9437 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9438 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9439 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9440 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9441 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9442 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9443 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9444 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9445 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9446 DF_SCAN_POST_ALLOC): New macros.
9447 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9448 df_free_bb_function, df_local_compute_function, df_init_function,
9449 df_dataflow_function, df_confluence_function_0,
9450 df_confluence_function_n, df_transfer_function,
9451 df_finalizer_function, df_free_function, df_dump_problem_function,
9452 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9453 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9454 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9455 df_urec_bb_info, ) New types.
9456 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9458 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9459 df_analyze_simple_change_some_blocks,
9460 df_analyze_simple_change_one_block, df_compact_blocks,
9461 df_bb_replace, df_bb_regno_last_use_find,
9462 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9463 df_insn_regno_def_p, df_find_def, df_find_use,
9464 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9465 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9466 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9467 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9468 debug_df_chain, df_get_dependent_problem, df_chain_create,
9469 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9470 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9471 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9472 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9473 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9474 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9475 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9476 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9477 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9478 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9479 df_reorganize_refs, df_set_state, df_hard_reg_init,
9480 df_read_modify_subreg_p) New public functions.
9481 * df-core.c: The core dataflow solver and glue routines for rtl
9483 (df_init, df_add_problem, df_set_blocks, df_finish,
9484 df_hybrid_search_forward, df_hybrid_search_backward,
9485 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9486 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9487 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9488 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9489 df_reg_defined, df_find_use, df_reg_used, df_dump,
9490 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9491 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9492 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9493 debug_df_useno, reset_df_after_reload): New functions.
9494 * df-scan.c: The scanning fuctions, once in df.c, completely
9495 rewritten so that they now fully model the functionality of
9496 register usage at the backend.
9497 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9498 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9499 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9500 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9501 df_get_artificial_defs, df_get_artificial_uses,
9502 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9503 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9504 df_refs_delete, df_reorganize_refs, df_set_state,
9505 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9506 df_def_record_1, df_defs_record, df_uses_record,
9507 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9508 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9509 df_record_exit_block_uses, df_hard_reg_init): New functions.
9511 * df-problems.c: Seven concrete dataflow problems that use the
9512 scanning in df-scan.c and are solved by the engine in df-core.c.
9513 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9514 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9515 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9516 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9517 df_ru_free_bb_info, df_ru_alloc,
9518 df_ru_bb_local_compute_process_def,
9519 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9520 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9521 df_ru_transfer_function, df_ru_free, df_ru_dump,
9522 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9523 df_rd_free_bb_info, df_rd_alloc,
9524 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9525 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9526 df_rd_transfer_function, df_rd_free, df_rd_dump,
9527 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9528 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9529 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9530 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9531 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9532 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9533 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9534 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9535 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9536 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9537 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9538 df_urec_mark_reg_use_for_earlyclobber,
9539 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9540 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9541 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9542 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9543 df_chain_create_bb_process_use, df_chain_create_bb,
9544 df_chain_finalize, df_chain_free, df_chains_dump,
9545 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9546 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9547 df_reg_lifetime): New functions.
9548 * df.c: Deleted file.
9549 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9550 consistent with new df api.
9551 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9552 rest_of_handle_sms): Ditto.
9553 * web.c (unionfind_union, union_defs, entry_register, web_main):
9555 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9556 invariant_expr_equal_p, find_defs, check_dependencies,
9557 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9558 free_inv_motion_data, move_loop_invariants): Ditto.
9559 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9560 Update dependencies.
9561 (odf.c): Added defective entry that was deleted later in day.
9562 * sched-deps.c (sched_analyze_1): Ditto.
9564 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9566 * tree-ssa-operands.c (get_expr_operands): Record addressable
9567 variables directly. Do not call add_stmt_operands for CONST_DECLs
9569 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9570 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9572 2006-01-11 Ben Elliston <bje@au.ibm.com>
9574 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9575 function returns true in the positive case.
9577 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9580 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9581 for SI, DI, SF and DF modes. Add alternatives to copy between
9582 general and floating point registers to the 32-bit patterns.
9583 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9584 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9585 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9586 generating 64-bit code.
9587 * config/pa/pa.c (output_move_double): Handle copies between general
9588 and floating registers.
9590 2006-01-10 Stuart Hastings <stuart@apple.com>
9592 * config/i386/i386.md (set_got): Update.
9593 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9594 (builtin_setjmp_receiver): Mach-O support.
9595 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9596 (GOT_SYMBOL_NAME): Define.
9597 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9598 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9599 * config/i386/i386.c (override_options): Revise for Darwin.
9600 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9601 support. (darwin_x86_file_end): New. (output_set_got): Add label
9602 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9603 * config/i386/i386-protos.h (output_set_got): Likewise.
9604 * config/darwin.c (machopic_legitimize_pic_address): Update
9607 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9609 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9610 when MODE isn't BLKmode.
9612 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9614 PR rtl-optimization/25367
9615 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9617 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9620 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9621 for a negative bound.
9623 2006-01-10 Richard Guenther <rguenther@suse.de>
9625 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9626 Never override with anything constraint.
9628 2006-01-10 Jan Beulich <jbeulich@novell.com>
9630 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9631 256 bits when optimize_size.
9633 2006-01-10 Jan Beulich <jbeulich@novell.com>
9635 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9637 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9638 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9641 2006-01-10 Ben Elliston <bje@au.ibm.com>
9643 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9645 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9646 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9647 (USE_FP_FOR_ARG): Reject decimal float modes.
9648 (function_arg_advance): Likewise.
9649 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9650 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9651 point types in AltiVec vectors.
9652 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9653 (rs6000_libcall_value): Likewise.
9655 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9657 * config/xtensa/ieee754-df.S: New file.
9658 * config/xtensa/ieee754-sf.S: New file.
9659 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9660 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9661 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9663 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9665 * config/sh/predicates.md (binary_float_operator,
9666 binary_logical_operator, commutative_float_operator,
9667 equality_comparison_operator, greater_comparison_operator,
9668 less_comparison_operator, logical_operator,
9669 noncommutative_float_operator, shift_operator,
9670 symbol_ref_operand, unary_float_operator): Remove redundant
9673 2006-01-09 Jeff Law <law@redhat.com>
9675 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9676 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9677 now unused arguments. Callers updated.
9678 (eliminate_redundant_computations): Remove now unused arguments,
9680 (local_fold): Remove, no longer used.
9681 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9683 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9684 (simplify_cond): New function.
9685 (forward_propagate_into_cond): Call simplify_cond.
9687 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9689 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9690 (*vec_extractv2di_1_sse): New.
9692 2006-01-09 Ben Elliston <bje@au.ibm.com>
9694 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9696 2006-01-08 Richard Guenther <rguenther@suse.de>
9698 * tree-ssa-structalias.c (get_constraint_for): Remove
9700 (get_constraint_for_component_ref): Likewise.
9701 (do_deref): Likewise.
9702 (get_constraint_for): Likewise.
9703 (do_structure_copy): Likewise.
9704 (handle_ptr_arith): Likewise.
9705 (find_func_aliases): Likewise. Remove unused need_anyoffset
9708 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9709 Kaz Kojima <kkojima@gcc.gnu.org>
9711 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9712 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9713 (EXTRA_CONSTRAINT_C16): Remove.
9714 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9715 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9716 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9717 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9718 constants of SHmedia. Handle nested constant expressions of
9720 (andcosts): Fix the costs for SHmedia constants.
9721 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9722 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9723 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9724 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9725 (movv4hi_i, movv2si_i): Likewise.
9726 (movsi_const): Adjust the second operand of ior so to match with
9728 (movdi_const, movdi_const_32bit): Likewise.
9729 (movdi_const_16bit+1): Don't sign-extend LOW.
9730 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9732 (*double_shori): Fix the split condition. Use GEN_INT instead
9733 of get_int_mode calls. Mask lower 16-bit of the argument of
9735 (sym2GOTPLT): Remove.
9736 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9738 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9739 instead of EXTRA_CONSTRAINT_C16.
9741 2006-01-07 Ian Lance Taylor <ian@airs.com>
9742 David Edelsohn <edelsohn@gnu.org>
9744 PR rtl-optimization/25662
9745 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9746 for constant operands instead of simplify_gen_binary.
9747 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9748 after trying simplify_binary_operation
9750 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9752 * tree.c (iterative_hash_expr): Hash decls based on UID.
9754 2006-01-06 Eric Christopher <echristo@apple.com>
9756 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9757 (TARGET_UNWIND_EMIT): Fix spelling.
9758 * target.h (gcc_target): Add except_table_label.
9759 * except.c (output_function_exception_table): Use.
9760 * varasm.c (default_emit_except_table_label): New.
9761 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9763 (asm_out): Add here.
9764 * output.h (default_emit_except_table_label): Prototype.
9765 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9766 * config/darwin.c (darwin_emit_except_table_label): Define.
9767 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9769 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9771 PR tree-optimization/18527
9772 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9773 number_of_iterations_special, number_of_iterations_exit):
9774 Move base and step of an iv to a single structure. Add
9775 no_overflow flag, and use it in # of iterations analysis.
9776 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9777 folded_casts argument.
9778 (simple_iv): Pass base and step in a structure. Set no_overflow
9780 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9781 Evaluate expensiveness of computing # of iterations instead of
9782 the final expression.
9783 * tree-scalar-evolution.h (affine_iv): New structure.
9784 (simple_iv): Declaration changed.
9785 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9786 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9787 find_givs_in_stmt): Changed due to simple_iv change.
9789 2006-01-06 Jeff Law <law@redhat.com>
9792 * tree-cfg.c (bsi_replace): Rename final argument from
9793 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9794 change (stmt -> orig_stmt).
9795 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9796 (bsi_remove): Add new argument. Remove EH information
9798 (verify_eh_throw_table_statements): New function.
9799 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9801 * tree-optimize.c (execute_free_cfg_annotations): Verify
9802 the EH throw statement table after removing annotations.
9803 * except.h (verify_eh_throw_table_statements): Prototype.
9804 * tree-flow.h (bsi_remove): Update prototype.
9805 * tree-vrp.c (remove_range_assertions): Add new argument to
9807 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9808 * tree-complex.c (expand_complex_div_wide): Likewise.
9809 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9810 * tree-tailcall.c (eliminate_tailcall): Likewise.
9811 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9812 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9813 * tree-nrv.c (tree_nrv): Likewise.
9814 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9815 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9816 (combine_blocks): Likewise.
9817 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9818 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9819 (cleanup_control_flow): Likewise.
9820 (remove_forwarder_block): Likewise.
9821 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9822 * tree-sra.c (sra_replace): Likewise.
9823 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9824 (forward_propagate_single_use_vars): Likewise.
9825 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9826 * tree-inline.c (expand_call_inline): Likewise.
9827 * tree-vect-transform.c (vect_transform_loop): Likewise.
9828 * tree-outof-ssa.c (rewrite_trees): Likewise.
9829 * tree-cfg.c (make_goto_expr_edges): Likewise.
9830 (cleanup_dead_labels): Likewise.
9831 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9832 (bsi_move_before, bsi_move_after): Likewise.
9833 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9834 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9836 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9839 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9841 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9842 on non gimple variables. Also add checks at the top for decls and
9844 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9846 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9847 and IMAGPART_EXPR for creating MUST_DEFs.
9848 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9849 and NAME_MEMORY_TAG separately from the DECLs.
9851 2006-01-06 Richard Guenther <rguenther@suse.de>
9853 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9854 annotation, if necessary.
9855 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9856 redundant calls to update_stmt.
9857 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9860 2006-01-05 Richard Henderson <rth@redhat.com>
9862 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9864 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9866 * c-typeck.c: Update copyright date.
9868 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9870 * c-typeck.c (build_c_cast): Always warn when casting
9871 from a pointer to an integer of different size, even if
9872 the node was constant.
9874 2006-01-05 Richard Guenther <rguenther@suse.de>
9876 PR tree-optimization/22555
9877 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9878 if one structure field is an array.
9879 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9880 operands even if we found a subvar, but ignore VOPs in this
9882 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9884 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9886 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9889 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9891 2006-01-05 Richard Guenther <rguenther@suse.de>
9892 Diego Novillo <dnovillo@redhat.com>
9894 * tree-pass.h (TODO_remove_unused_locals): Define.
9895 * gimple-low.c (expand_var_p, remove_useless_vars,
9896 pass_remove_useless_vars): Remove. Update all users.
9897 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9898 (remove_unused_locals): New function.
9899 * tree-flow.h (remove_unused_locals): Declare.
9900 * passes.c (execute_todo): Call remove_unused_locals if
9901 TODO_remove_unused_locals is set.
9902 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9903 * tree-ssa-dce.c (pass_dce): Likewise.
9904 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9906 2006-01-05 Richard Guenther <rguenther@suse.de>
9908 * tree-flow.h (struct fieldoff): Decompose field to
9909 type, size and decl.
9910 * tree-ssa-alias.c (create_sft): Take type as parameter.
9911 (create_overlap_variables_for): Store type, size and decl
9912 in the fieldoff structure.
9913 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9915 (push_fields_onto_fieldstack): Likewise.
9916 (create_variable_info_for): Likewise. Use offset for the
9917 SFT name if the decl is not available.
9919 2006-01-04 Paul Brook <paul@codesourcery.com>
9921 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9923 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9925 * lambda-code.c (can_put_in_inner_loop): Relax
9927 (can_put_after_inner_loop): New function.
9928 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9929 (perfect_nestify): Change to make copies and modify uses.
9931 2006-01-04 Richard Henderson <rth@redhat.com>
9933 Merge from gomp branch:
9934 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9935 via integer constant.
9936 (pragma_lex): Remove.
9937 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9938 rather than parsing it.
9939 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9940 handle_pragma_extern_prefix): Add %< %> quotes.
9941 (registered_pragmas): New.
9942 (c_register_pragma_1): New.
9943 (c_register_pragma): Use it.
9944 (c_register_pragma_with_expansion): Likewise.
9945 (c_invoke_pragma_handler): New.
9946 (init_pragma): Use cpp_register_deferred_pragma directly for
9948 * c-pragma.h (enum pragma_kind): New.
9949 (pragma_handler): New.
9950 (c_invoke_pragma_handler): Declare.
9951 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9953 * c-common.h (c_common_pch_pragma): Update decl.
9954 * Makefile.in (c-parser.o): Update dependencies.
9955 (GTFILES): Add c-pragma.h.
9956 * c-parser.c (struct c_token): Add pragma_kind.
9957 (struct c_parser): Add in_pragma.
9958 (c_lex_one_token): Always initialize keyword and pragma_kind.
9959 Extract data for CPP_PRAGMA.
9960 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9961 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9962 Don't allow CPP_PRAGMA_EOL if in_pragma.
9963 (c_parser_consume_pragma): New.
9964 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9965 (c_parser_skip_to_end_of_parameter): Likewise.
9966 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9967 (c_parser_skip_to_pragma_eol): New.
9968 (c_parser_external_declaration): Handle CPP_PRAGMA.
9969 (c_parser_compound_statement_nostart): Likewise.
9970 (c_parser_statement_after_labels): Likewise.
9971 (c_parser_pragma): New.
9972 (pragma_lex): Likewise.
9973 (c_parser_pragma_pch_preprocess): New.
9974 (c_parser_new): Merge into ...
9975 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9977 2006-01-04 Jeff Law <law@redhat.com>
9980 * tree-cfg.c (bsi_replace): Remove the original statement
9981 from the EH throw statement table.
9983 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9985 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9986 make the prototype extern "C" and add throw ().
9989 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9990 and pos non-negative and pos + len <= 32.
9991 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9992 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9993 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9996 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9997 as well as sizes not multiple of component size.
10000 * function.c (instantiate_expr): New function.
10001 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10002 walk its DECL_VALUE_EXPR with instantiate_expr.
10004 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10005 DW_OP_deref{,_size} if address isn't going to be added.
10007 2006-01-04 Ben Elliston <bje@au.ibm.com>
10009 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10010 * config/fp-bit.c: Likewise.
10012 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10014 * dominance.c: Add comment about why we use DFS numbering
10017 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10018 Richard Henderson <rth@redhat.com>
10020 Merge from gomp-branch:
10021 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10022 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10024 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10026 PR rtl-optimization/25578
10027 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10028 pass a parameter to simplify_shift_const if changing ASHIFTRT
10031 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10033 * builtins.c (get_builtin_sync_mem): New function.
10034 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10035 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10036 Call get_builtin_sync_mem to generate mem rtx.
10038 2006-01-03 Richard Guenther <rguenther@suse.de>
10041 * stmt.c (add_case_node): Make sure to clear overflow flags
10044 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10046 Merge from gomp-branch.
10047 * config/sparc/sync.md: New file.
10048 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10049 UNSPECV_LDSTUB): New constants.
10050 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10051 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10052 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10055 2006-01-03 Roger Sayle <roger@eyesopen.com>
10057 * combine.c (reg_subword_p): New predicate to test whether the
10058 destination of a set refers to a subword/piece of a register.
10059 (try_combine): Generalize the code to merge the setting of a
10060 pseudo to a constant followed by a set of a subword of that
10061 register to a constant.
10063 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10065 * basic-block.h (control_flow_graph): Change the type of
10066 x_label_to_block_map to VEC(basic_block,gc) *.
10067 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10068 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10070 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10071 VEC(basic_block,heap) *.
10072 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10073 ssa_prop_fini): Adjust the uses of cfg_blocks.
10075 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10077 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10079 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10080 hashing trees instead of a pointer hash.
10081 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10082 compare for MEM_EXPR.
10084 PR rtl-optimization/25130
10085 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10086 when comparing MEMs for GCSE
10088 2006-01-03 Ben Elliston <bje@au.ibm.com>
10090 * targhooks.h (default_decimal_float_supported_p): Declare.
10091 * targhooks.c (default_decimal_float_supported_p): Define.
10092 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10093 `default_decimal_float_supported_p'.
10094 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10096 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10098 * combine.c (apply_distributive_law <SUBREG>): Check
10099 TRULY_NOOP_TRUNCATION.
10101 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10103 * dwarf2out.c (have_switched_text_section): Delete.
10104 (have_multiple_function_sections): New.
10105 (have_location_lists): Make 'bool'.
10106 (add_AT_loc_list): Use 'true' not '1'.
10107 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10108 (output_loc_list): Use have_multiple_function_sections.
10109 (output_ranges): Likewise.
10110 (dwarf2out_begin_function): Set have_multiple_function_sections if
10112 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10113 Check function_section rather than DECL_SECTION_NAME.
10114 (dwarf2out_finish): Use have_multiple_function_sections.
10115 Don't clear have_location_lists.
10117 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10118 Jan Hubicka <jh@suse.cz>
10120 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10121 case of conditional jump jumping to the next instruction.
10122 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10123 cases of conditional jump jumping to the next instruction.
10125 2006-01-02 Jan Hubicka <jh@suse.cz>
10127 * i386.c (*_cost): Add COSTS_N_INSNS.
10128 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10130 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10133 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10135 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10137 * config/arm/arm.c (all_fpus): Fix comment typo.
10138 * config/darwin.c: Likewise.
10139 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10140 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10141 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10143 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10145 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10146 (rs6000_split_compare_and_swapqhi): New.
10147 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10148 (sync_compare_and_swapqhi_internal): New.
10149 * config/rs6000/rs6000-protos.h: Declare.