| blob | 940f0df3159585f16d293eddddb382714b50a99c |
1 2006-04-27 Roger Sayle <roger@eyesopen.com>
3 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4 size, force the intermediate into a new pseudo rather instead of
5 performing both a bitwise AND and a bitwise IOR in memory.
7 2006-04-27 Richard Guenther <rguenther@suse.de>
9 PR rtl-optimization/26685
10 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11 this one "max-flow-memory-locations".
13 2006-04-27 Richard Guenther <rguenther@suse.de>
15 PR tree-optimization/25148
16 * tree-vrp.c (compare_values): Remove code dealing with
17 comparisons against type min/max value. Honour overflow
18 and negative constants in code dealing with comparisons
19 of plus and minus expressions.
20 (value_inside_range): Use fold_binary with LE_EXPR and
21 GE_EXPR rather than compare_values.
23 2006-04-27 Dirk Mueller <dmueller@suse.de>
25 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
26 prototype for SSE.
28 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
30 * basic-block.h (safe_insert_insn_on_edge): Removed.
31 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
34 2006-04-26 David Edelsohn <edelsohn@gnu.org>
35 Paolo Bonzini <bonzini@gnu.org>
37 PR middle-end/27282
38 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
39 (simplify_and_const_int): Same.
41 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
43 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
45 2006-04-26 Jakub Jelinek <jakub@redhat.com>
47 PR c/26171
48 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
49 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
50 cgraph_global_info_ready.
52 PR middle-end/26913
53 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
55 PR c/25996
56 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
57 either decl or init is error_mark_node.
59 PR middle-end/25989
60 * tree-flow.h (struct omp_region): Add sched_kind.
61 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
62 instead of extracting omp for data.
63 (expand_omp_for): Save extracted sched_kind.
65 2006-04-25 Roger Sayle <roger@eyesopen.com>
67 * expmed.c (store_bit_field): Also check whether the bitsize is
68 valid for the machine's "insv" instruction before moving the
69 target into a pseudo for use with the insv.
70 * config/i386/predicates.md (const8_operand): New predicate.
71 * config/i386/i386.md (extv, extzv, insv): Use the new
72 const8_operand predicate where appropriate.
74 2006-04-25 DJ Delorie <dj@redhat.com>
76 * doc/install.texi (Specific): Clarify that this is not a list of
77 supported hosts or targets.
79 2006-04-25 Richard Sandiford <richard@codesourcery.com>
81 PR rtl-optimization/26725
82 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
83 block's BB_DIRTY flag.
85 2006-04-25 Geoffrey Keating <geoffk@apple.com>
87 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
88 are no branches.
90 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
91 to print an integer.
93 2006-04-25 David Edelsohn <edelsohn@gnu.org>
95 * varasm.c (align_variable): New function.
96 (get_block_for_decl): Apply align_variable to DECL before
97 calculating section information.
98 (assemble_variable): Split out alignment computation.
100 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
102 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
103 machines.
105 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
107 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
108 MODE_PARTIAL_INT mode.
109 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
110 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
111 for CONST_INTs.
112 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
113 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
114 V2PDImode.
115 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
116 New predicates.
117 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
118 New constants.
119 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
120 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
121 MACFLAG_IH): Likewise.
122 (movstricthi_1): Renamed from "*movstricthi".
123 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
124 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
125 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
126 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
127 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
128 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
129 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
130 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
131 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
132 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
133 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
134 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
135 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
136 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
137 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
139 * doc/rtl.texi (ss_ashift): Improve wording.
141 2006-04-24 Geoffrey Keating <geoffk@apple.com>
143 * dwarf2out.c (verify_marks_clear): New.
144 (prune_unused_types): Call verify_marks_clear initially, not
145 prune_unmark_dies.
147 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
149 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
150 * doc/rtl.texi: Document them.
151 * simplify-rtx.c (simplify_unary_operation,
152 simplify_binary_operation_1): Don't abort when we see them.
154 2006-04-24 Mark Mitchell <mark@codesourcery.com>
156 Revert:
157 2006-04-23 Mark Mitchell <mark@codesourcery.com>
158 * configure.ac: Completely disregard languages that are not
159 enabled.
160 * configure: Regenerated.
162 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
163 Richard Guenther <rguenther@suse.de>
165 PR tree-optimization/27236
166 * tree-inline.c (copy_body_r): Make sure to copy
167 TREE_THIS_VOLATILE flag.
169 2006-04-24 Richard Guenther <rguenther@suse.de>
171 PR middle-end/26869
172 * tree-complex.c (update_parameter_components): Don't handle
173 unused parameters which have no default def.
175 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
176 Richard Guenther <rguenther@suse.de>
178 PR tree-optimization/27218
179 * tree-inline.c (expand_call_inline): Strip useless type
180 conversions for the return slot address.
182 2006-04-24 Richard Guenther <rguenther@suse.de>
184 * cfgloop.h (struct loops): Remove unused field array. Reorder
185 state after num.
186 (LOOP_PREFETCH): Remove.
188 2006-04-24 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/22525
191 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
192 variable, adjust types of generated expressions.
194 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
196 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
197 (tree-vect-patterns.o): Likewise.
198 (jump.o): Likewise.
199 (cselib.o): Likewise.
200 (loop-doloop.o): Likewise.
201 (regclass.o): Likewise.
202 (reload1.o): Likewise.
203 (explow.o): Replace target.h with $(TARGET_H).
204 (ipa-prop.o): Likewise.
205 (ipa-cp.o): Likewise.
206 (ipa-inline.o): Likewise.
207 (reorg.o): Likewise.
208 (reg-stack.o): Likewise.
210 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
212 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
214 2006-04-23 Mark Mitchell <mark@codesourcery.com>
216 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
218 * configure.ac: Completely disregard languages that are not
219 enabled.
220 * configure: Regenerated.
222 PR c++/26534
223 * c-common.h (c_build_bitfield_integer_type): Declare.
224 * c-decl.c (c_build_bitfield_integer_type): Move to ...
225 * c-common.c (c_build_bitfield_integer_type): ... here.
227 2006-04-23 Roger Sayle <roger@eyesopen.com>
229 PR target/21283
230 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
231 a SImode SUBREG of a floating point register after no_new_pseudos.
233 2006-04-23 Roger Sayle <roger@eyesopen.com>
235 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
236 identify potentially eliminable registers to additionally catch
237 VIRTUAL_INCOMING_ARGS_REGNUM.
238 (addsi3): Update the conditions on when to use addsi_small_int.
240 2006-04-23 Roger Sayle <roger@eyesopen.com>
242 PR target/16641
243 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
244 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
245 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
247 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
249 * fold-const.c (range_predecessor): Use operand_equal_p
250 as the predicate for equality.
251 (range_successor): Likewise.
253 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
255 Revert:
256 * config/soft-fp/op-common.h: Fix a typo.
258 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
260 PR libmudflap/26864
261 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
262 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
264 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
266 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
267 Fix comment typos.
268 * doc/tm.texi: Fix a typo.
270 2006-04-21 Geoffrey Keating <geoffk@apple.com>
272 * dwarf2out.c (struct die_struct): Document that die_sib makes
273 a circular linked list.
274 (FOR_EACH_CHILD): New.
275 (reverse_die_lists): Delete.
276 (reverse_all_dies): Delete.
277 (add_dwarf_attr): Correct documentation.
278 (remove_child_with_prev): New.
279 (remove_child_TAG): Update for change to die_struct, use
280 remove_child_with_prev.
281 (add_child_die): Update for change to die_struct.
282 (splice_child_die): Use remove_child_with_prev and add_child_die.
283 (print_die): Use FOR_EACH_CHILD.
284 (die_checksum): Likewise.
285 (assign_symbol_names): Likewise.
286 (output_location_lists): Likewise.
287 (build_abbrev_table): Likewise.
288 (calc_die_sizes): Likewise.
289 (mark_dies): Likewise.
290 (unmark_dies): Likewise.
291 (unmark_all_dies): Likewise.
292 (output_die): Likewise.
293 (prune_unused_types_mark): Likewise.
294 (prune_unused_types_walk): Likewise.
295 (same_die_p): Update for change to die_struct.
296 (break_out_includes): Likewise.
297 (prune_unused_types_prune): Likewise.
298 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
299 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
300 it's already clear.
301 (dwarf2out_finish): Don't call reverse_all_dies.
303 2006-04-21 Eric Christopher <echristo@apple.com>
305 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
306 in comments and function names.
308 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
310 PR c/25875
311 * c-typeck.c (digest_init): Robustify.
313 * c-typeck.c (pop_init_level): Simplify.
315 2006-04-21 Steve Ellcey <sje@cup.hp.com>
317 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
319 2006-04-21 Paul Brook <paul@codesourcery.com>
321 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
322 hardware floating point.
324 2006-04-21 David Edelsohn <edelsohn@gnu.org>
326 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
327 NON_FLOAT_REGS.
329 2006-04-21 Nick Clifton <nickc@redhat.com>
331 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
332 OPT_EXTRA_PARTS.
334 2006-04-21 Alan Modra <amodra@bigpond.net.au>
336 PR target/27230
337 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
338 C++ lang type in traceback table for Objective-C++.
340 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
342 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
344 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
346 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
348 PR mudflap/26789
349 * tree-mudflap.c (mudflap_finish_file): Skip function when there
350 were errors. Remove check for erroneous objects.
352 2006-04-20 Jeff Law <law@redhat.com>
354 PR tree-optimization/26854
355 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
356 checking for zero or one use.
357 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
358 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
359 * tree-ssa-reassoc.c (negate_value): Similarly.
360 (reassociate_bb): Similarly.
362 2006-04-20 Jakub Jelinek <jakub@redhat.com>
364 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
365 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
366 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
368 2006-04-20 Alan Modra <amodra@bigpond.net.au>
370 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
371 fp regs if the last fp arg doesn't fit in regs.
373 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
375 PR target/27182
376 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
377 that the last insn has the REG_INC note.
379 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
380 Nathan Sidwell <nathan@codesourcery.com>
382 PR c/26774
383 * stor-layout.c (update_alignment_for_field): Do not align
384 ERROR_MARK nodes.
385 (place_union_field): Place union field at the start of the union.
386 (place_field): Move ERROR_MARK check later, and use the current
387 allocation position to maintain monotonicity.
389 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
391 * dominance.c: Include timevar.h.
392 (calculate_dominance_info): Use TV_DOMINANCE.
393 * timevar.def (TV_DOMINANCE): New timevar.
394 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
396 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
398 PR rtl-optimization/14261
399 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
400 move would be an INSV insn.
401 (noce_process_if_block): Don't optimize if the destination is a
402 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
404 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
406 * config/s390/s390.md: Add comments with the instructions emitted
407 by an insn pattern if macros are used.
409 2006-04-19 Alan Modra <amodra@bigpond.net.au>
411 PR rtl-optimization/26026
412 * fold-const.c (fold_binary): Optimize div and mod where the divisor
413 is a known power of two shifted left a variable amount.
415 2006-04-18 Geoffrey Keating <geoffk@apple.com>
417 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
418 to hash table twice when the debug_str section has SECTION_MERGE.
420 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
422 * config/soft-fp: New directory. From glibc.
423 * config/soft-fp/t-softfp: New.
424 * config/soft-fp/README: New.
425 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
426 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
427 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
428 (LIBGCC_DEPS): Add $(SFP_MACHINE).
429 * config.gcc: Use rs6000/t-fprules-fpbit or
430 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
431 rs6000/t-fprules.
432 * config/rs6000/sfp-machine.h: New. Based on glibc.
433 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
434 New.
435 * config/rs6000/t-fprules: Remove fp-bit rules.
436 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
437 * config/rs6000/t-linux64: Likewise. Remove duplicates from
438 LIB2FUNCS_EXTRA. Remove fp-bit rules.
439 (softfp_wrap_start, softfp_wrap_end): New.
441 2006-04-18 DJ Delorie <dj@redhat.com>
443 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
445 2006-04-18 Devang Patel <dpatel@apple.com>
447 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
449 2006-04-18 Nick Clifton <nickc@redhat.com>
451 * config/sh/t-symbian: Add rule to build sh-c.o
452 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
453 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
454 (sh_symbian_encode_section_info): Likewise.
456 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
458 * builtins.c (expand_builtin_strcmp): Cover label definition of
459 do_libcall with HAVE_cmpstrnsi.
461 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
463 * function.c (temp_slots_at_level, max_slot_level): Use VEC
464 instead of VARRAY.
465 * function.h (temp_slot_p): New.
466 (function): Change the type of x_used_temp_slots to
467 VEC(temp_slot_p,gc) *.
469 2006-04-18 Nick Clifton <nickc@redhat.com>
471 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
472 flag_strength_reduce.
474 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
476 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
478 PR target/27117
480 Partial revert of revision 112637
481 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
482 Dale Johannesen <dalej@apple.com>
484 PR target/19653
485 * regclass.c (struct reg_pref): Update documentation.
486 (regclass): Set prefclass to NO_REGS if memory is the best option.
487 (record_reg_classes): Cope with a prefclass set to NO_REGS.
489 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
491 PR tree-optimization/26821
492 * tree-ssa-math-opts.c (get_constant_one): New.
493 (insert_reciprocals): Use it.
495 2006-04-17 Geoffrey Keating <geoffk@apple.com>
497 * dwarf2out.c (free_AT): Delete.
498 (remove_AT): Update string ref counts.
499 (remove_child_TAG): Don't call free_die.
500 (free_die): Delete.
501 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
502 or DW_TAG_GNU_EINCL.
503 (prune_unused_types_walk_attribs): Reset string refcounts.
504 (prune_unused_types_update_strings): New.
505 (prune_unused_types_prune): Don't make unnecessary stores. Don't
506 call free_die. Do call prune_unused_types_update_strings.
507 (prune_unused_types): Empty debug_str_hash.
509 2006-04-17 Roger Sayle <roger@eyesopen.com>
511 * expr.c (expand_assignment): Optimize away no-op moves where the
512 source and destination are equal and have no side-effects.
514 2006-04-17 Richard Guenther <rguenther@suse.de>
516 PR target/26826
517 * reload.c (push_reload): Guard calls to get_secondary_mem
518 for memory subregs.
520 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
522 * alias.c (reg_base_value, old_reg_base_value): Change the
523 type to VEC(rtx,gc) *.
524 (REG_BASE_VALUE, find_base_value, record_set,
525 init_alias_analysis): Use VEC instead of VARRAY.
527 * alias.c (alias_sets): Change the type to
528 VEC(alias_set_entry,gc) *.
529 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
530 VEC instead of VARRAY.
531 (last_alias_set): Remove.
533 * cgraph.h (cgraph_edge_p): New.
534 Update the prototype of cgraph_function_versioning.
535 * cgraphunit.c (cgraph_copy_node_for_versioning,
536 cgraph_function_versioning): Use VEC instead of VARRAY.
537 * ipa-cp.c (ipcp_insert_stage): Likewise.
539 2006-04-16 Roger Sayle <roger@eyesopen.com>
541 PR target/26961
542 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
543 "A op B" or "A op C", we may need to convert A to the type of B and C.
545 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
547 * target.h (struct gcc_target): Add mode_rep_extended.
548 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
549 (init_num_sign_bit_copies_in_rep): Initialize it using
550 mode_rep_extended.
551 (truncate_to_mode): Use it.
552 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
553 * targhooks.h (default_mode_rep_extended): Declare it.
554 * targhooks.c (default_mode_rep_extended): Define it.
555 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
556 default_mode_rep_extended.
557 (TARGET_INITIALIZER): Include it.
558 * doc/tm.texi (Misc): Document it.
559 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
560 (mips_truncated_to_mode): New function.
562 2006-04-16 Roger Sayle <roger@eyesopen.com>
564 PR middle-end/25474
565 * expr.c (compress_float_constant): Copy the narrow constant into
566 a new pseudo before extending it to its final width.
568 2006-04-16 Roger Sayle <roger@eyesopen.com>
569 Andrew Pinski <pinskia@gcc.gnu.org>
570 Dale Johannesen <dalej@apple.com>
572 PR target/24076
573 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
574 special case code to implement V8HImode and V16QImode with SSE2.
576 2006-04-15 Roger Sayle <roger@eyesopen.com>
578 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
579 trees are constructed with a suitable tree type.
581 2006-04-15 Roger Sayle <roger@eyesopen.com>
583 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
584 (integer_onep): Likewise.
585 (integer_all_onesp): Likewise.
586 (integer_pow2p): Likewise.
587 (integer_nonzerop): Likewise.
588 (real_zerop): Likewise.
589 (real_onep): Likewise.
590 (real_twop): Likewise.
591 (real_minus_onep): Likewise.
592 (int_size_in_bytes): Likewise.
593 (host_integerp): Likewise.
595 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
597 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
598 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
599 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
601 * tree-ssa-structalias.h (alias_info): Remove num_references.
603 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
605 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
606 (output_bvb patterns): Likewise.
607 * pa.c (output_bb): Use 'bb' insn for long branch case.
608 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
609 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
610 1. Correct length operand for alternatives 1 and 2.
611 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
612 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
614 2006-04-14 Roger Sayle <roger@eyesopen.com>
616 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
617 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
618 were accidentally reverted by r112959.
620 2006-04-15 Jakub Jelinek <jakub@redhat.com>
622 PR middle-end/26823
623 * except.h (eh_region_outermost): New prototype.
624 * except.c (eh_region_outermost): New function.
625 * tree-cfg.c (find_outermost_region_in_block): Use it.
627 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
629 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
630 of VARRAY.
631 * reload1.c (reg_equiv_memory_loc_varray): Rename to
632 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
633 (init_reload, reload): Use VEC instead of VARRAY.
634 * reload.h: Update the prototype for
635 reg_equiv_memory_loc_varray.
637 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
638 Eric Botcazou <ebotcazou@libertysurf.fr>
640 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
641 register save area.
643 2005-04-13 Uros Bizjak <uros@kss-loka.si>
645 PR middle-end/27134
646 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
647 to expand fallback builtin function call.
649 2006-04-14 Alan Modra <amodra@bigpond.net.au>
651 PR middle-end/27095
652 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
653 and emit libcall here in case the builtin fails.
654 (expand_builtin_strcmp): Always emit the libcall here on failure.
656 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
658 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
659 * flow.c (reg_n_info): Change the type to
660 VEC(reg_info_p,heap) *.
661 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
662 instead of VARRAY.
663 * regs.h (reg_info_p): New.
664 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
665 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
666 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
667 instead of VARRAY.
669 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
671 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
672 defaulting to 100.
673 * params.h (MAX_SCHED_READY_INSNS): New macro.
674 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
675 past MAX_SCHED_READY_INSNS during the first scheduling pass.
676 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
677 the ready list for 1 cycle during the first scheduling pass.
678 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
680 2006-04-13 Richard Henderson <rth@redhat.com>
682 PR libgomp/26651
683 * gimple-low.c (lower_omp_directive): Remove dead code.
684 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
685 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
686 * omp-low.c (struct omp_region): Move to tree-flow.h.
687 (root_omp_region): Export.
688 (omp_regions, lookup_omp_region): Remove.
689 (determine_parallel_type): Update for struct omp_region changes.
690 (dump_omp_region): Dump regions with block numbers.
691 (new_omp_region): Take type and block instead of stmt; malloc
692 instead of ggc.
693 (free_omp_region_1, free_omp_regions): New.
694 (expand_parallel_call): Take entry_stmt as argument; update for
695 changes to omp_region.
696 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
697 (remove_exit_barriers): New.
698 (expand_omp_parallel): Update for struct omp_region changes.
699 (expand_omp_synch): Likewise.
700 (expand_omp): Likewise.
701 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
702 (expand_omp_for_static_chunk): Likewise.
703 (expand_omp_for): Likewise.
704 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
705 (expand_omp_sections): Similarly, with GOMP_sections_end.
706 (expand_omp_single): New.
707 (build_omp_regions_1): Update for OMP_CONTINUE.
708 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
709 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
710 OMP_SECTIONS_SECTIONS.
711 (lower_omp_single_simple): Don't emit barrier here.
712 (lower_omp_single_copy): Likewise.
713 (lower_omp_single): Fix bindings, and lower to straightline now.
714 (lower_omp_master, lower_omp_ordered): Likewise.
715 (lower_omp_critical): Likewise.
716 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
717 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
718 omp edges, free it afterward.
719 (make_omp_sections_edges): Remove.
720 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
721 (move_stmt_r): Handle OMP_CONTINUE.
722 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
723 statement pointers to basic blocks. Add type member.
724 (root_omp_region, new_omp_region, free_omp_regions): Declare.
725 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
726 * tree-inline.c (estimate_num_insns_1): Likewise.
727 * tree-pretty-print.c (dump_generic_node): Likewise.
728 * tree-ssa-operands.c (get_expr_operands): Likewise.
729 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
730 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
731 (OMP_CONTINUE): New.
732 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
733 (OMP_SECTIONS_SECTIONS): Remove.
734 (OMP_SECTION_LAST): New.
735 (OMP_RETURN_NOWAIT): New.
737 2006-04-13 Roger Sayle <roger@eyesopen.com>
739 * fold-const.c (native_encode_vector, native_interpret_real):
740 Correct obvious mistakes in the previous check-in.
742 2006-04-13 Roger Sayle <roger@eyesopen.com>
744 * fold-const.c (native_encode_expr): New function to encode
745 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
746 or VECTOR_CST into a specified buffer.
747 (native_encode_int): New function.
748 (native_encode_real): New function.
749 (native_encode_complex): New function.
750 (native_encode_vector): New function.
751 (native_interpret_expr): Inverse of native_encode_expr to convert
752 a target representation into an INTEGER_CST, REAL_CST etc...
753 (native_interpret_int): New function.
754 (native_interpret_real): New function.
755 (native_interpret_complex): New function.
756 (native_interpret_vector): New function.
757 (fold_view_convert_expr): New function to constant fold/evaluate
758 a VIEW_CONVERT_EXPR of a suitable constant expression.
759 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
760 Change call of build1 to fold_build1 when constructing a
761 VIEW_CONVERT_EXPR.
763 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
764 Ulrich Weigand <uweigand@de.ibm.com>
766 PR target/27006
767 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
768 to be even.
770 2006-04-13 Alan Modra <amodra@bigpond.net.au>
772 PR target/26459
773 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
774 optimize to lo_sum for DFmode if !TARGET_FPRS.
776 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
778 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
779 delete_alias_info, compute_flow_sensitive_aliasing,
780 group_aliases): Use VEC instead of VARRAY.
781 * tree-ssa-structalias.c (update_alias_info): Likewise.
782 * tree-ssa-structalias.h (alias_info): Change the type of
783 processed_ptrs to VEC(tree,heap) *.
785 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
787 PR target/27060
788 * config/sh/lib1funcs.h: New file, broken out of:
789 * config/sh/lib1funcs.asm.
790 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
791 New macros.
792 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
793 * config/sh/lib1funcs-Os-4-200.asm: New file.
794 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
795 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
796 (EXTRA_MULTILIB_PARTS): Include it.
797 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
798 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
799 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
800 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
801 TARGET_SH2.
803 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
805 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
806 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
807 tpa_compact, root_var_init, type_var_init): Use VEC instead of
808 VARRAY.
809 * tree-ssa-live.h: Include vecprim.h.
810 (tree_partition_associator_d): Change the type of
811 first_partition to VEC(int,heap) *.
812 (tpa_first_partition): Use VEC instead of VARRAY.
814 * Makefile.in (GTFILES): Move functions.h after tree.h.
815 * function.c (reset_block_changes, record_block_change,
816 check_block_change, free_block_changes): Use VEC instead of
817 VARRAY.
818 * function.h (function): Change the type of
819 ib_boundaries_block to VEC(tree,gc) *.
820 * tree-inline.c (copy_cfg_body): Initialize
821 ib_boundaries_block to NULL instead of (varray_type) 0.
823 2006-04-12 Roger Sayle <roger@eyesopen.com>
825 * expr.c (emit_group_store): Correct operand order in call to
826 subreg_lowpart_offset. Always create paradoxical SUBREGs with
827 a SUBREG_BYTE of zero.
829 2006-04-12 Richard Guenther <rguenther@suse.de>
831 * profile.c (compute_branch_probabilities): Remove code
832 encapsulated in !ir_type (), which are remanents of the
833 removed RTL profiling code.
834 * rtl-profile.c: Remove.
836 2006-04-12 Alan Modra <amodra@bigpond.net.au>
838 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
839 magic NULL_RTX comment.
840 (function_arg): Store entire fp arg to mem if any part should go
841 on stack.
842 (rs6000_arg_partial_bytes): Adjust for above change.
844 2006-04-11 Roger Sayle <roger@eyesopen.com>
846 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
847 if it hasn't been initialized by dwarf2out_init.
849 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
851 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
852 symbolic constants in branch patterns.
854 2006-04-11 Roger Sayle <roger@eyesopen.com>
856 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
858 2006-04-11 Richard Sandiford <richard@codesourcery.com>
860 PR rtl-optimization/27073
861 * gcse.c (try_replace_reg): Revert last change. Continue to search
862 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
863 on the former.
865 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
867 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
868 aggregate types other than record and union types.
869 (function_arg): Likewise.
870 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
871 small arrays.
872 (function_value): In 64-bit mode, return objects that require it
873 in FP registers.
875 2006-04-11 Roger Sayle <roger@eyesopen.com>
877 * dwarf2out.c (premark_used_types): Remove problematic prototype.
879 2006-04-11 Jakub Jelinek <jakub@redhat.com>
881 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
883 2006-04-03 Jeff Law <law@redhat.com>
885 PR/27087
886 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
887 alias information too.
889 2006-04-10 Mike Frysinger <vapier@gentoo.org>
891 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
893 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
895 PR/21391
896 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
897 (premark_used_types_helper): New.
898 (premark_used_types): New.
899 (gen_subprogram_die): Call premark_used_types.
900 (prune_unused_types_walk): Do not prune perennial dies.
901 * function.c (used_types_insert): New.
902 * function.h (struct function): Add used_types_hash field.
903 (used_types_insert): Add prototype.
904 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
905 * c-parser.c (c_parser_cast_expression): Save casted types in used
906 types hash table.
908 2006-04-11 Mark Mitchell <mark@codesourcery.com>
910 PR target/26459
911 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
912 rs6000_explicit_options.float_gprs.
914 2006-04-10 Roger Sayle <roger@eyesopen.com>
916 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
917 from ix86_expand_vector_init_low_nonzero. Take an additional
918 one_var argument indicating which element is non-zero. Support
919 one_var != 0 for V4SFmode and V4SImode by permuting the result.
920 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
921 with one_var instead of ix86_expand_vector_init_low_nonzero.
923 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
925 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
926 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
927 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
928 build/genextract.o): Depend on vecprim.h.
929 * cfglayout.c, df-problems.c, function.c, genextract.c,
930 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
931 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
932 vecprim.h.
933 * vecprim.h: New.
935 2006-04-10 Geoffrey Keating <geoffk@apple.com>
937 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
938 Declare VECs of this type.
939 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
940 (remove_children): Delete.
941 (add_dwarf_attr): Use VEC routines.
942 (add_AT_flag): Update for changes to add_dwarf_attr.
943 (add_AT_int): Likewise.
944 (add_AT_unsigned): Likewise.
945 (add_AT_long_long): Likewise.
946 (add_AT_vec): Likewise.
947 (add_AT_string): Likewise.
948 (add_AT_die_ref): Likewise.
949 (add_AT_fde_ref): Likewise.
950 (add_AT_loc): Likewise.
951 (add_AT_loc_list): Likewise.
952 (add_AT_addr): Likewise.
953 (add_AT_lbl_id): Likewise.
954 (add_AT_lineptr): Likewise.
955 (add_AT_macptr): Likewise.
956 (add_AT_offset): Likewise.
957 (add_AT_range_list): Likewise.
958 (get_AT): Use VEC_iterate.
959 (remove_AT): Use VEC_ordered_remove.
960 (free_die): Fold remove_children into here; have it use VEC_iterate.
961 (print_die): Use VEC_iterate on attrs.
962 (reverse_die_lists): Don't reverse attr lists.
963 (die_checksum): Use VEC_iterate on attrs.
964 (same_die_p): Likewise.
965 (output_location_lists): Likewise.
966 (build_abbrev_table): Likewise.
967 (size_of_die): Likewise.
968 (unmark_all_dies): Likewise.
969 (output_abbrev_section): Likewise.
970 (output_die): Likewise.
971 (prune_unused_types_walk_attribs): Likewise.
973 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
975 * doc/install.texi (*-*-solaris2*): Point to the configure page.
977 2006-04-10 Jakub Jelinek <jakub@redhat.com>
979 PR debug/27057
980 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
982 2006-04-09 Roger Sayle <roger@eyesopen.com>
984 * expr.c (store_constructor): Don't bother clearing target if
985 we're about to assign a vector to it using vec_init_optab.
987 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
989 * tree-ssa-alias.c (lhs_may_store_to): New function.
990 (recalculate_used_alone): Handle LHS of calls.
992 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
994 PR target/27034
995 PR target/26508
996 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
997 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
998 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
999 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1000 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1001 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1002 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1003 stubs. Add ".align 8" directives before all ".dword" directives.
1004 (GTHREAD_USE_WEAK): Revise comment.
1005 (TARGET_ATTRIBUTE_WEAK): Define.
1006 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1007 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1008 * stublib.c: New file.
1010 PR target/26743
1011 PR target/11254
1012 PR target/10274
1013 * pa.md (cbranch patterns): Revise arguments used in calls to
1014 output_cbranch, output_bb and output_bvd. Add long branch length
1015 attributes.
1016 (fbranch patterns): Handle long branches.
1017 (jump): Revise length check. Revise arguments for output_lbranch call.
1018 Add long branch length attributes.
1019 (decrement_and_branch_until_zero): Add long branch length attributes.
1020 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1021 Likewise. Revise arguments for output_parallel_addb and
1022 output_parallel_movb calls.
1023 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1024 output_parallel_movb and output_parallel_addb): Update prototypes.
1025 * pa.c (output_cbranch): Revise arguments. Correct handling of
1026 nullification in long branches.
1027 (output_lbranch): Add new argument to control extraction of delay
1028 instruction.
1029 (output_bb): Handle long branches.
1030 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1031 output_parallel_addb): Likewise.
1033 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1035 PR rtl-optimization/27073
1036 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1037 not REG_EQUIVs.
1039 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1041 * tree.h (tree_memory_tag): Add old_used_alone.
1042 (SMT_OLD_USED_ALONE): New macro.
1043 * tree-ssa-alias.c (recalculate_used_alone): Stop
1044 marking things for renaming unnecessarily.
1046 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1048 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1049 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1050 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1051 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1052 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1053 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1054 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1055 spelling convensions.
1056 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1057 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1058 typos. Follow spelling conventions.
1060 2006-04-07 DJ Delorie <dj@redhat.com>
1062 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1063 passed on the stack.
1064 (m32c_init_cumulative_args): When a function returns a structure,
1065 always pass the pointer to that return area on the stack.
1066 (m32c_function_arg_advance): Don't increment the parameter number
1067 if we're processing the returned structure pointer.
1068 (pushm_info): Reverse order of registers.
1070 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1072 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1073 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1074 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1075 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1076 build_int_cst_type.
1077 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1078 chrec_fold_multiply): Same.
1079 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1080 force_expr_to_var_cost): Same.
1081 * tree-mudflap.c (mf_xform_derefs_1): Same.
1082 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1084 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1086 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1087 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1088 insn.
1090 2006-04-07 Jan Hubicka <jh@suse.cz>
1092 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1094 2006-04-07 Richard Guenther <rguenther@suse.de>
1096 PR tree-optimization/26135
1097 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1098 loads for store copy-prop.
1099 (copy_prop_visit_stmt): Likewise.
1101 2006-04-05 Robert Millan <robertmh@gnu.org>
1103 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1104 being overriden in config/k*bsd-gnu.h.
1105 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1106 DYNAMIC_LINKER.
1107 * gcc/config/knetbsd-gnu.h: Ditto.
1109 2006-04-06 Jan Hubicka <jh@suse.cz>
1111 PR profile/20815
1112 PR profile/26399
1113 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1114 after buffer.
1116 2006-04-06 Mike Stump <mrs@apple.com>
1118 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1119 for HAVE_nonlocal_goto to be consistent.
1120 (expand_builtin_nonlocal_goto): Likewise.
1121 (expand_builtin_strcmp): Use #ifdef instead of #if
1122 for HAVE_cmpstrnsi to be consistent.
1124 2006-04-05 DJ Delorie <dj@redhat.com>
1126 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1127 vs m32c.
1129 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1131 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1132 got-relative addressing for anything but SImode.
1134 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1135 even if the calling function doesn't modify them.
1137 2006-04-05 Richard Guenther <rguenther@suse.de>
1139 PR tree-optimization/26919
1140 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1141 to cgraph_estimate_size_after_inlining.
1143 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1145 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1147 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1149 PR tree-optimization/26996
1150 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1151 VECTOR_TYPE variables.
1153 2006-04-05 Richard Guenther <rguenther@suse.de>
1155 PR tree-optimization/26763
1156 * fold-const.c (fold_comparison): Move folding of
1157 PTR + CST CMP PTR + CST ...
1158 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1160 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1162 * doc/install.texi (Prerequisites): Refine some wording on
1163 bootstrapping and ksh.
1164 Move the version numbers of DejaGnu here from the testing section
1165 and fix casing of names.
1166 Fix markup and clarify wording for autogen requirements.
1167 Refer to GCJ instead of just java.
1168 Refer to SVN instead of CVS.
1169 Describe diffutils as useful instead of necessary.
1170 (Downloading the source): Refer to SVN instead of CVS.
1171 Adjust a link to our web site accordingly.
1172 (Configuration): Fix casing of Bison.
1173 (Building): Refer to SVN instead of CVS.
1174 Fix a sentence on the use of Bison and remove duplicate (and
1175 incorrect) version number of Bison requirement.
1176 Remove one redundant list of packages needed for building.
1177 (Specific): Avoid reference to CVS.
1179 2006-04-04 Eric Christopher <echristo@apple.com>
1181 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1182 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1183 (rs6000_handle_struct_attribute): New.
1184 (rs6000_ms_bitfield_layout_p): Ditto.
1186 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1188 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1189 NULL for dso parameter to atexit_common.
1191 2006-04-04 Eric Christopher <echristo@apple.com>
1193 * config/i386/i386.c (machopic_output_stub): Output \t
1194 between instructions and operands.
1196 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1198 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1199 satisfies_constraint_[IL] to explicit tests on value.
1201 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1203 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1204 set_nb_iterations_in_loop): Use build_int_cst instead of
1205 build_int_cst_type.
1206 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1207 build_int_cst instead of convert.
1209 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1211 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1212 new value 2 for incoming.
1213 * function.c (expand_function_start): Call struct_value_rtx
1214 with incoming as 2.
1215 * config/sparc/sparc.md: Comment updated_return.
1216 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1217 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1218 struct return if sparc_std_struct_return and incoming is 2.
1219 (print_operand): Do not adjust return if
1220 sparc_std_struct_return.
1222 2006-04-04 Roger Sayle <roger@eyesopen.com>
1224 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1225 convert in the middle-end.
1226 * expr.c (store_expr, store_constructor, get_inner_reference,
1227 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1228 Likewise.
1229 * tree.c (build_range_type): Likewise.
1231 2006-04-04 Tom Tromey <tromey@redhat.com>
1233 * doc/install.texi (Prerequisites): Mention jar.
1235 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1237 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1238 subsection.
1240 2006-04-04 Matthias Klose <doko@debian.org>
1242 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1244 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1246 * doc/extend.texi (Function Attributes): Rewrite visibility
1247 attribute documentation.
1248 * doc/invoke.texi (C++ Dialect Options): Rewrite
1249 -fvisibility-inlines-hidden documentation to describe something
1250 entirely different, although in practise compatible.
1251 (Code Gen Options): Warn about system headers in -fvisibiltity=
1252 documentation.
1254 * doc/extend.texi (Other Builtins): Document that
1255 __builtin_nan is a compile-time constant only when its argument
1256 is valid.
1258 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1260 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1261 trying to remove TRUNCATE check if all bits outside the new mode
1262 are identical to the sign bit.
1264 2006-04-03 Jeff Law <law@redhat.com>
1266 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1267 and operand scanning in some common cases.
1269 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1270 Dale Johannesen <dalej@apple.com>
1272 PR target/19653
1273 * regclass.c (struct reg_pref): Update documentation.
1274 (regclass): Set prefclass to NO_REGS if memory is the best option.
1275 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1276 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1277 into account. For non-registers, equate an empty preferred
1278 reload class to a `!' in the constraint; move the if clause to
1279 do so after those that reject the insn.
1280 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1281 return NO_REGS.
1282 (find_dummy_reload): Likewise.
1283 * doc/tm.texi (Register Classes): Document what it means
1284 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1285 * config/i386/i386.c (ix86_preferred_reload_class): Force
1286 using SSE registers (and return NO_REGS for floating-point
1287 constants) if math is done with SSE.
1288 (ix86_preferred_output_reload_class): New.
1289 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1290 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1291 * config/i386/i386.md: Remove # register preferences.
1293 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1295 PR bootstrap/26992
1296 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1297 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1298 the type of nb_iter.
1299 (instantiate_parameters_1): Convert the operands before calling
1300 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1301 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1303 2006-04-02 Roger Sayle <roger@eyesopen.com>
1305 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1306 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1307 instead of convert.
1308 * dojump.c (do_jump): Likewise.
1309 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1310 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1311 gimplify_boolean_expr): Likewise.
1312 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1313 * varasm.c (array_size_for_constructor): Likewise.
1314 * tree-object-size.c (compute_object_offset): Likewise.
1316 2006-04-02 Roger Sayle <roger@eyesopen.com>
1318 PR middle-end/26977
1319 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1320 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1322 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1324 PR tree-optimization/26939
1325 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1327 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1329 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1330 at_stmt. Convert the type of operands before calling
1331 build_polynomial_chrec.
1332 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1333 add_to_evolution_1.
1334 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1335 (instantiate_parameters_1): Convert the type of operands before calling
1336 build_polynomial_chrec.
1337 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1338 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1339 reset_evolution_in_loop): Insert asserts to check the types of the
1340 operands.
1341 (chrec_type): Moved...
1342 (eq_evolutions_p): Use operand_equal_p.
1343 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1344 the types of the operands.
1345 (chrec_type): ...here.
1346 * tree-data-ref.c (create_data_ref): Convert the operands before
1347 calling chrec_replace_initial_condition.
1348 (same_access_functions, analyze_subscript_affine_affine,
1349 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1350 (compute_subscript_distance, analyze_ziv_subscript,
1351 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1352 analyze_miv_subscript): Convert the operands before calling
1353 chrec_fold_minus or chrec_fold_plus.
1355 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1357 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1358 the dependence_relations vector.
1359 (compute_data_dependences_for_loop): Adjust call to
1360 compute_all_dependences.
1362 2006-04-01 Roger Sayle <roger@eyesopen.com>
1363 Richard Henderson <rth@redhat.com>
1365 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1366 gimple_boolify on the condition before calling gimplify_expr.
1368 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1370 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1371 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1372 the frame size. Update to use the new macros.
1373 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1374 * config/xtensa/ieee754-df.S: Likewise.
1376 2006-03-31 Richard Henderson <rth@redhat.com>
1378 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1379 (make_edges): ... here. Control fallthru creation with a local
1380 variable. Do not play with fake edges.
1381 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1382 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1383 a boolean.
1385 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1387 * dwarf2.h (DW64_CIE_ID): Define.
1388 * dwarf2out.c (DWARF_CIE_ID): Define.
1389 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1390 length header. Use DWARF_CIE_ID.
1391 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1392 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1394 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1396 * config/sh/linux-atomic.asm: New file.
1397 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1399 2006-03-31 DJ Delorie <dj@redhat.com>
1401 * config/m32c/cond.md: Set condition flags properly throughout.
1402 * config/m32c/minmax.md: Likewise.
1403 * config/m32c/prologue.md: Likewise.
1404 * config/m32c/bitops.md: Likewise.
1405 * config/m32c/muldiv.md: Likewise.
1406 * config/m32c/mov.md: Likewise.
1407 * config/m32c/addsub.md: Likewise.
1408 * config/m32c/m32c.md: Likewise.
1409 * config/m32c/jump.md: Likewise.
1410 * config/m32c/shift.md: Likewise.
1412 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1413 conditionally output the pattern for this.
1414 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1415 (m32c_compare_redundant): New.
1416 (m32c_output_compare): New.
1417 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1419 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1420 dest, not src. Allow other 4-byte modes.
1422 2006-03-30 Denis Chertykov <denisc@overta.ru>
1424 * doc/md.texi: Refer to avr/constraints.md instead of
1425 avr/avr.h.
1427 2006-03-30 Roger Sayle <roger@eyesopen.com>
1429 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1430 signed vs. unsigned comparison failures on some hosts.
1432 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1434 PR target/26459
1435 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1436 change to FLOAT_REGS.
1438 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1439 (rs6000_override_options): Use it.
1440 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1441 only for -mabi=spe/no-spe and -mabi=altivec.
1443 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1445 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1446 !Zdynamiclib.
1448 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1450 * Makefile.in: Rename docdir to gcc_docdir.
1452 2006-03-30 Roger Sayle <roger@eyesopen.com>
1454 PR target/17959
1455 * expr.c (emit_group_store): Optimize group stores into a pseudo
1456 register by using a paradoxical subreg to initialize the destination
1457 if the first or last member of the group specifies a "low part".
1459 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1461 PR target/26734
1462 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1463 * target.h (struct gcc_target.speculate_insn): Change type of the
1464 second parameter to 'int'.
1465 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1466 the second operand of the DEPS_LIST.
1467 (copy_DEPS_LIST_list): Update reference to the second operand of the
1468 DEPS_LIST.
1469 * rtl.h (alloc_DEPS_LIST): Update signature.
1470 * sched-int.h (ds_t): Change typedef to 'int'.
1471 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1473 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1475 * haifa-sched.c (try_ready): Change condition to restore
1476 non-speculative pattern of the instruction.
1477 (process_insn_depend_be_in_spec): Code to keep probability of the
1478 speculative dependence non-decreasing.
1480 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1482 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1483 (single_move_for_movmem): ... this. Also change all uses.
1484 (bfin_expand_strmov): Renamed to...
1485 (bfin_expand_movmem): ... this. Also change all uses.
1486 * config/bfin/bfin.md (movstrsi): Renamed to...
1487 (movstrsi): ...this.
1489 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1491 PR tree-optimization/26830
1493 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1494 (copy_prop_visit_stmt): Remove write-only variable ann.
1495 (init_copy_prop): Check variable loop depth here. Do not simulate
1496 memory-tag and virtual operand PHIs except for store copy prop.
1498 2006-03-30 Richard Guenther <rguenther@suse.de>
1500 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1501 variants with double arguments.
1503 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1505 * genpreds.c (write_tm_constrs_h): Delete variable p.
1506 * genconditions.c (write_header): Add tm-constrs.h to included
1507 headers.
1508 * genpeep.c (main): Add toplev.h to included headers.
1509 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1510 (build/genpeep.o): Add toplev.h dependency.
1511 * config/rs6000/constraints.md: Add "W" constraint.
1513 2006-03-29 Roger Sayle <roger@eyesopen.com>
1515 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1516 sizes by correctly testing whether the size fits a host integer.
1517 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1518 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1519 SImode range for the default sizetype and bitsizetype.
1521 2006-03-29 Roger Sayle <roger@eyesopen.com>
1523 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1524 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1525 quickly if the argument is already of the correct type.
1526 Call fold_build1 instead of build1. Tidy up blank lines.
1528 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1530 * genemit.c (main): Add tm-constrs.h to included headers.
1531 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1532 * genpeep.c (main): Add tm-constrs.h to included headers.
1533 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1534 (write_tm_constrs_h): this and write complete file.
1535 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1536 (write_insn_preds_c): Add tm-constrs.h to included headers.
1537 (gen_constrs): New variable.
1538 (parse_option): Parse "-c".
1539 (main): Invoke write_tm_constrs_h.
1540 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1541 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1542 (object_out_file): Add tm-constrs.h dependency.
1543 (insn-emit.o): Same.
1544 (insn-output.o): Same.
1545 (insn-peep.o): Same.
1546 (insn-preds.o): Same.
1547 (insn-recog.o): Same.
1548 (tm-constsr.h): New target.
1549 (s-constrs-h): New target.
1551 * config/rs6000/constraints.md: New file.
1552 * config/rs6000/rs6000.c: Include tm-constrs.h.
1553 (num_insn_constant_wide): Convert to satisfies_constraint.
1554 (rs6000_rtx_costs): Convert to satisfies_constraint.
1555 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1556 (CONST_OK_FOR_LETTER_P): Delete.
1557 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1558 (EXTRA_CONSTRAINT): Delete.
1559 (EXTRA_MEMORY_CONSTRAINT): Delete.
1560 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1561 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1562 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1563 satisfies_constraint.
1565 * config/i386/i386.c: Include tm-constrs.h.
1567 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1569 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1570 * tree-data-ref.c (find_data_references_in_loop,
1571 compute_data_dependences_for_loop): Use pointers to VEC.
1572 (analyze_all_data_dependences): Adjust calls.
1573 * tree-data-ref.h (find_data_references_in_loop,
1574 compute_data_dependences_for_loop): Adjust declarations.
1575 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1576 compute_data_dependences_for_loop.
1578 2006-03-29 Paul Brook <paul@codesourcery.com>
1580 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1581 (movdf_vfp): Ditto.
1583 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1585 PR tree-optimization/26859
1586 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1587 division by zero.
1588 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1589 for the step after fold_convert.
1591 2006-03-29 Paul Brook <paul@codesourcery.com>
1593 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1594 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1596 2006-03-29 Paul Brook <paul@codesourcery.com>
1598 PR middle-end/23623
1599 * targhooks.c (default_narrow_bitfield): New fuction.
1600 * targhooks.h (default_narrow_bitfield): add prototype.
1601 * target.h (gcc_target): Add narrow_volatile_bitfield.
1602 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1603 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1604 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1605 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1607 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1609 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1610 tmake_file.
1611 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1612 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1613 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1614 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1615 (s390_function_arg_float): Allow SDmode and DDmode values to be
1616 passed in floating point registers.
1617 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1618 check with SCALAR_FLOAT_MODE_P.
1619 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1621 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1623 PR tree-optimization/25985
1624 * tree-ssa-loop-niter.c (number_of_iterations_le,
1625 number_of_iterations_ne): Make comments more precise.
1626 (number_of_iterations_cond): Add only_exit argument. Use the
1627 fact that signed variables do not overflow only when only_exit
1628 is true.
1629 (loop_only_exit_p): New.
1630 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1631 number_of_iterations_cond.
1633 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1635 PR tree-optimization/26643
1636 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1637 bit_field_refs.
1639 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1641 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1642 (divsi3_i4_int): Likewise.
1644 2006-03-28 Roger Sayle <roger@eyesopen.com>
1646 * expr.c (emit_group_store): Only create a new pseudo reg if the
1647 quantity it needs to hold isn't already a suitable pseudo.
1649 2006-03-28 Jeff Law <law@redhat.com>
1651 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1652 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1654 2006-03-28 Roger Sayle <roger@eyesopen.com>
1656 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1657 the equivalent ~X & Y, and the symmetry related transformations.
1658 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1659 ~X & Y, and symmetry related transforms.
1661 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1663 Revert my 2006-03-27 patches.
1665 2006-03-28 Roger Sayle <roger@eyesopen.com>
1667 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1668 ~(T1)X, when T1 and T2 are integer types of the same precision
1669 and (T2)X isn't an extension.
1671 2006-03-28 Jeff Law <law@redhat.com>
1673 PR tree-optimization/26796
1674 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1675 need EH edge cleanups rather than purging them immediately.
1676 (eliminate_degenerate_phis): Handle queued EH cleanups.
1678 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1680 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1681 from parent_var.
1683 2006-03-27 Roger Sayle <roger@eyesopen.com>
1685 PR middle-end/22524
1686 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1687 cast BIT_NOT_EXPR operand to the correct type.
1689 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1691 * tree-loop-linear.c: Don't include varray.h.
1692 (gather_interchange_stats, try_interchange_loops,
1693 linear_transform_loops): Use VEC instead of VARRAY.
1694 * lambda-mat.c: Don't include varray.h.
1695 * tree-chrec.c: Same.
1696 * lambda-trans.c: Same.
1697 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1698 VEC instead of VARRAY.
1699 * tree-vectorizer.h: Idem.
1700 * tree-data-ref.c (dump_data_references,
1701 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1702 initialize_data_dependence_relation, finalize_ddr_dependent,
1703 compute_all_dependences, find_data_references_in_loop,
1704 compute_data_dependences_for_loop, analyze_all_data_dependences,
1705 free_dependence_relation, free_dependence_relations,
1706 free_data_refs): Idem.
1707 * tree-data-ref.h (data_reference_p, subscript_p): New.
1708 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1709 VEC instead of VARRAY.
1710 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1711 (find_data_references_in_loop, compute_data_dependences_for_loop,
1712 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1713 dump_data_dependence_relations, free_dependence_relations,
1714 free_data_refs): Adjust declaration.
1715 (lambda_transform_legal_p): Move declaration here...
1716 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1717 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1718 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1719 vect_analyze_data_refs): Use VEC instead of VARRAY.
1720 * lambda.h (lambda_transform_legal_p): ...from here.
1721 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1722 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1723 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1724 tree-chrec.o): Don't depend on VARRAY_H.
1726 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1728 * rtl.def (Copyright): Update date.
1729 (DEPS_LIST): Change type of the second operand to 'int'.
1730 * target.h (Copyright): Update date.
1731 (struct gcc_target.speculate_insn): Change type of the second parameter
1732 to 'int'.
1733 * lists.c (Copyright): Update date.
1734 (alloc_DEPS_LIST): Change signature. Update reference to the second
1735 operand of the DEPS_LIST.
1736 (copy_DEPS_LIST_list): Update reference to the second operand of the
1737 DEPS_LIST.
1738 * rtl.h (Copyright): Update date.
1739 (alloc_DEPS_LIST): Update signature.
1740 * sched-int.h (Copyright): Update date.
1741 (ds_t): Change typedef to 'int'.
1742 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1744 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1746 * haifa-sched.c (Copyright): Update date.
1747 (try_ready): Change condition to restore non-speculative pattern
1748 of the instruction.
1749 (process_insn_depend_be_in_spec): Code to keep probability of the
1750 speculative dependence non-decreasing.
1752 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1754 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1755 shut up the compiler.
1757 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1759 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1760 to use lib prefix for target.
1761 ($(T)libic_invalidate_array_4-200.a): Likewise.
1762 ($(T)libic_invalidate_array_4a.a): Likewise.
1764 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1765 J"orn Rennecke <joern.rennecke@st.com>
1767 * superh.opt: New file.
1768 * sh.c (boardtype, osruntime): Remove.
1769 * superh.h (SUBTARGET_OPTIONS): Remove.
1770 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1772 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1773 arguments with ^ and/or [].
1775 * config.gcc (sh-*-*): Add quoting to account for quirk of
1776 Solaris /bin/sh.
1777 Replace == with = in enable_incomplete_targets test.
1779 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1780 with MASK_LITTLE_ENDIAN.
1782 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1783 * config/sh/sh.opt: Added to some comments.
1784 * config/sh/superh.h: Removed some chaff.
1786 * config/sh/sh.opt: Add m4-[1234]00* options.
1787 * config/sh/sh.c (sh_handle_option): Likewise.
1788 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1789 (ic_invalidate_array_4-100.o): New rule.
1790 ($(T)libic_invalidate_array_4-100.a): Likewise.
1791 (ic_invalidate_array_4-200.o): Likewise.
1792 ($(T)libic_invalidate_array_4-200.a): Likewise.
1793 (ic_invalidate_array_4a.o): Likewise.
1794 ($(T)libic_invalidate_array_4a.a): Likewise.
1795 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1796 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1797 m4-200*, and m4a*.
1798 * config/sh/crt1.asm: Merged in profiling code.
1799 * config/sh/superh.h (STARTFILE_SPEC): Override.
1800 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1801 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1802 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1804 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1805 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1806 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1808 * sh.opt (mpretend-cmove): New option.
1809 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1810 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1811 (movsicc): Add TARGET_PRETEND_CMOVE code.
1813 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1815 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1816 s390_class_max_nregs): New function prototypes.
1817 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1818 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1819 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1820 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1822 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1824 * dwarf2out.c (add_location_or_const_value_attribute): Call
1825 tree_add_const_value_attribute if nothing else works.
1826 (reference_to_unused): New.
1827 (rtl_for_decl_init): Use reference_to_unused to decide whether
1828 to output an initializer.
1830 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1832 PR target/26459
1833 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1834 peephole removing spe frob_di_df_2.
1836 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1838 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1839 (subscript_dependence_tester_1): Declared.
1840 (print_dir_vectors, print_dist_vectors): New.
1841 (debug_data_dependence_relation): New.
1842 (dump_data_dependence_relation): Print more details.
1843 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1844 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1845 (save_dist_v, save_dir_v, add_outer_distances,
1846 build_classic_dist_vector_1): New.
1847 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1848 Don't test for lambda_vector_lexico_pos.
1849 (same_access_functions, add_multivariate_self_dist,
1850 add_other_self_distances, dir_from_dist): New.
1851 (build_classic_dir_vector): Replace implementation almost identical to
1852 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1853 dir_from_dist.
1854 (subscript_dependence_tester_1): New.
1855 (subscript_dependence_tester): Handle the lexicographically negative
1856 distance vectors by recomputing the dependence relation.
1857 (compute_affine_dependence): Remove parameter loop_nest_depth.
1858 (compute_self_dependence): Don't call compute_subscript_distance.
1859 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1860 Add a parameter for the loop_nest.
1861 (find_loop_nest_1, find_loop_nest): New.
1862 (compute_data_dependences_for_loop): Compute the loop nest, and give
1863 up if the nest is not well formed.
1864 * tree-data-ref.h (loop_p): New.
1865 (struct data_dependence_relation): Replace size_vect field with
1866 loop_nest, a vec of loops.
1867 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1868 (DDR_LOOP_NEST): New.
1869 (print_dir_vectors, print_dist_vectors,
1870 debug_data_dependence_relation): Declared.
1871 (index_in_loop_nest): New.
1872 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1873 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1874 distance.
1876 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1878 * simplify-rtx.c (simplify_relational_operation): Call
1879 simplify_relational_operation_1 even if mode is VOIDmode.
1881 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1883 PR tree-optimization/26804
1884 * tree.h (DECL_CALL_CLOBBERED): New macro.
1885 (tree_decl_common): Add call_clobbered_flag.
1886 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1887 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1888 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1889 (mark_non_addressable): Ditto.
1890 * tree-ssa.c (verify_call_clobbered): New function.
1891 (verify_alias_info): Use it.
1892 * tree-pass.h (pass_reset_cc_flags): New prototype.
1893 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1894 (reset_cc_flags): New function.
1895 * passes.c (init_optimization_passes): Call reset_cc_flags after
1896 initializing referenced_vars.
1898 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1899 Roger Sayle <roger@eyesopen.com>
1901 PR middle-end/26717
1902 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1903 to 1.0 for non-real operands. Implement A / A optimization for
1904 complex operands.
1906 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1908 * config/i386/i386.c (size_cost): Correct the comment for
1909 cost of storing fp registers.
1910 (i386_cost): Likewise.
1911 (i486_cost): Likewise.
1912 (pentium_cost): Likewise.
1913 (pentiumpro_cost): Likewise.
1914 (k6_cost): Likewise.
1915 (athlon_cost): Likewise.
1916 (k8_cost): Likewise.
1917 (pentium4_cost): Likewise.
1918 (nocona_cost): Likewise.
1919 (generic64_cost): Likewise.
1920 (generic32_cost): Likewise.
1922 2006-03-24 Denis Chertykov <denisc@overta.ru>
1924 * config/avr/avr-protos.h (extra_constraint): Delete.
1925 (extra_constraint_Q): New declaration.
1926 * config/avr/constraints.md: New file.
1927 * config/avr/avr.md: Include it.
1928 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1929 (TMP_REGNO, ZERO_REGNO): Likewise.
1930 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1931 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1932 (extra_constraint): Delete.
1933 (extra_constraint_Q): Test for memory constraint 'Q'.
1934 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1935 (REG_CLASS_FROM_LETTER): Delete.
1936 (CONST_OK_FOR_LETTER_P): Delete.
1937 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1938 (EXTRA_CONSTRAINT): Delete.
1939 (TMP_REGNO): Delete.
1940 (ZERO_REGNO): Delete.
1942 2006-03-24 Jeff Law <law@redhat.com>
1944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1945 directly. Call mark_new_vars_to_rename slightly earlier.
1947 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1949 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1950 (is_cxx): Likewise.
1951 (gen_compile_unit_die): Use new language types for Objective-C and
1952 Objective-C++.
1953 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1954 DW_LANG_C_plus_plus.
1956 PR 26793
1957 * config/t-darwin (crt3.o): Work around bug 26840.
1958 * config/darwin-crt3.c: Rewrite.
1959 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1961 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1963 * doc/invoke.texi: Document -femit-class-debug-always
1964 * common.opt: Add -femit-class-debug-always.
1966 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1968 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1969 index and base register.
1970 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1971 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1972 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1973 REGNO_OK_FOR_INDEX_P.
1974 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1975 ADDR_REGNO_P.
1976 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1977 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1978 REG_OK_FOR_BASE_P): Definitions removed.
1980 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1982 PR middle-end/26611
1983 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1984 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1985 set yet or weren't marked as local yet.
1987 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1989 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1990 the compiler.
1992 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1994 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1995 (rs6000_legitimate_small_data_p): Delete.
1996 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1997 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1998 and make static. Add forward declaration. Update uses.
1999 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2000 of offsettable_memref_p.
2001 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2002 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2004 2006-03-24 Jeff Law <law@redhat.com>
2006 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2007 around bug in immediate-use iterator.
2009 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2011 PR target/26607
2012 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2013 or __LITTLE_ENDIAN__.
2015 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2017 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2018 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2019 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2020 * config/sh/sh.opt (mdiv=): Amend description.
2021 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2022 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2023 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2024 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2025 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2026 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2027 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2028 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2029 TARGET_DIVIDE_CALL_FP.
2031 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2033 * haifa-sched.c (choose_ready): Fix type of the local variable.
2034 Move local variables. Add comment.
2035 (check_reg_live): Change signature. Make callable from debugger.
2036 * sched-int.h (check_reg_live): Update signature.
2037 * sched-ebb.c (check_reg_live): Update parameters.
2038 * sched-rgn.c (check_reg_live): Ditto.
2039 (region_head_or_leaf_p): Check pointer before dereferencing.
2040 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2041 before reload on optimization levels below 1.
2043 2006-03-23 Richard Henderson <rth@redhat.com>
2045 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2046 tls symbols.
2048 PR target/26347
2049 * config/alpha/predicates.md (local_symbolic_operand): Reject
2050 weak symbols.
2052 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2054 PR tree-opt/26795
2055 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2056 expressions which have overflowed constants.
2058 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2060 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2062 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2064 * cfgloopmanip.c (create_loop_notes): Removed.
2065 * final.c (final_scan_insn): Do not handle loop notes.
2066 * jump.c (squeeze_notes): Ditto.
2067 * cfglayout.c (skip_insns_after_block,
2068 duplicate_insn_chain): Ditto.
2069 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2070 create_loop_notes.
2071 * cfgloop.h (create_loop_notes): Declaration removed.
2073 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2075 * varasm.c (output_constant_pool): Restore fnname and fndecl
2076 arguments.
2077 (assemble_start_function): Adjust call accordingly.
2078 (assemble_end_function): Likewise.
2080 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2082 PR mudflap/26789
2083 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2085 PR mudflap/26790
2086 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2088 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2090 PR driver/22600
2091 * system.h (ICE_EXIT_CODE): New macro.
2092 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2093 (diagnostic_action_after_output): Likewise.
2094 * gcc.c (fatal_ice): New function.
2095 (execute): Use it instead of fatal.
2096 (fancy_abort): Likewise.
2097 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2099 2006-03-22 Jeff Law <law@redhat.com>
2101 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2102 iv_analyze_result returning false.
2104 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2106 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2108 2006-03-22 Richard Henderson <rth@redhat.com>
2110 PR middle-end/26084
2111 * except.c (duplicate_eh_regions_0): New.
2112 (duplicate_eh_region_1): Duplicate the children of the node as
2113 well as the node itself. Link them up properly.
2114 (duplicate_eh_region_2): Merge into ...
2115 (duplicate_eh_regions): ... here. Take copy_region argument, and
2116 copy only a sub-tree if asked. Simplify copying and fixup.
2117 (eh_region_outer_p): New.
2118 * except.h (duplicate_eh_regions): Update decl.
2119 (eh_region_outer_p): Declare.
2120 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2121 (lower_omp_master): Likewise.
2122 (lower_omp_ordered): Likewise.
2123 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2124 (move_stmt_r): Use it to remap labels. Handle recursion vs
2125 remap_decls_p properly.
2126 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2127 (find_outermost_region_in_block): New.
2128 (new_label_mapper): New.
2129 (move_sese_region_to_fn): Copy eh information to the new function
2130 properly.
2131 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2132 argument.
2133 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2134 number.
2136 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2138 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2139 into shared libraries.
2141 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2143 * doc/md.texi: Refer to i386/constraints.md instead of
2144 i386/predicates.md.
2145 * config/i386/constraints.md: New file, extracted from...
2146 * config/i386/predicates.md: ...here.
2147 * config/i386/i386.md: Include constraints.md.
2149 2006-03-21 Jason Merrill <jason@redhat.com>
2151 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2153 PR middle-end/20297
2154 * expr.c (init_block_move_fn): Force default visibility.
2155 (init_block_clear_fn): Likewise.
2156 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2157 * targhooks.c (default_external_stack_protect_fail): Likewise.
2159 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2161 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2162 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2163 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2164 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2165 (loadgp): Use mips_current_loadgp_style.
2166 (loadgp_noshared): New pattern.
2167 (sibcall_internal): Use MIPS_CALL.
2168 (sibcall_value_internal): Likewise.
2169 (sibcall_value_multiple_internal): Likewise.
2170 (call_internal): Likewise.
2171 (call_value_internal): Likewise.
2172 (call_value_multiple_internal): Likewise.
2173 (call_split): Use MIPS_CALL and add an 'S' constraint.
2174 (call_value_split): Likewise.
2175 (call_value_multiple_split): Likewise.
2176 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2177 (-mshared): New option.
2178 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2179 (mips_current_loadgp_style): Declare.
2180 * config/mips/mips.c (mips_classify_symbol): Avoid using
2181 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2182 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2183 TARGET_ABSOLUTE_ABICALLS.
2184 (override_options): Adjust comments. Improve the warning that is
2185 issued when -mabicalls and -G are used together.
2186 (mips_file_start): Remove comment.
2187 (mips_current_loadgp_style): New function.
2188 (mips_gnu_local_gp): New variable.
2189 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2190 LOADGP_ABSOLUTE.
2191 (mips_output_function_prologue): Use mips_current_laodgp_style.
2192 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2193 the cprestore instruction.
2194 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2195 live for TARGET_ABSOLUTE_ABICALLS.
2196 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2197 (ASM_SPEC): Pass down -mshared and -mno-shared.
2198 (MIPS_CALL): New macro.
2199 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2200 definition.
2201 * doc/invoke.texi (-mabicalls): Update documentation.
2202 (-mshared): Document.
2204 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2206 * config/ia64/unwind-hpux.c: New file.
2207 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2209 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2211 PR libgomp/26384
2212 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2214 2006-03-21 Jeff Law <law@redhat.com>
2216 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2217 type conversions of a VR_VARYING source to a wider type.
2219 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2221 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2222 tm_file on Solaris 10 and later.
2223 (sparc64-*-solaris2*): Likewise.
2224 (sparc-*-solaris2*): Likewise.
2225 * config/sol26.h: Rename to config/sol2-6.h.
2226 * config/sol2-10.h: New file.
2228 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2230 PR tree-opt/26781
2231 * tree-ssa-pre.c (create_component_ref_by_pieces):
2232 Handle STRING_CST.
2234 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2236 PR c++/26690
2237 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2238 return it immediately.
2240 2006-03-21 Michael Matz <matz@suse.de>
2242 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2243 New members.
2244 (remove_arc, add_arc): Update num_out_arcs member.
2245 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2246 of out arcs.
2247 (cache_presence): New function.
2248 (compare_states_for_equiv): New function.
2249 (state_is_differed): Don't take number of outargs, adjust callers.
2250 Use new invariant for speeding up.
2251 (init_equiv_class): Create initial classes based on sorted
2252 input.
2253 (partition_equiv_class): Don't track out_arcs_num.
2254 (evaluate_equiv_classes): Call cache_presence on all states and
2255 sort them.
2257 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2259 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2260 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2261 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2262 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2263 callers changed.
2264 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2265 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2266 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2267 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2268 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2269 macros.
2270 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2271 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2272 (REGNO_REG_CLASS): ARGP is in PREGS.
2273 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2274 IREGS.
2275 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2276 to deal with those addresses.
2277 * addresses.h: New file.
2278 * caller-save.c: Include "addresses.h".
2279 (init_caller_save): Use new base_reg_class function.
2280 * rtl-factoring.c: Include "addresses.h".
2281 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2282 * recog.c: Include "addresses.h".
2283 (preprocess_constraints): Use new base_reg_class function.
2284 * regrename.c: Include "addresses.h".
2285 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2286 functions. Keep track of a new var INDEX_CODE to compute valid
2287 classes.
2288 (replace_oldest_value_addr): Likewise.
2289 (replace_oldest_value_mem): Use base_reg_class.
2290 * reload.c: Include "addresses.h".
2291 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2292 (find_reloads): Use new base_reg_class function.
2293 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2294 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2295 all callers and prototype changed.
2296 * reload1.c: Include "addresses.h".
2297 (maybe_fix_stack_asms): Use base_reg_class.
2298 * regclass.c: Include "addresses.h".
2299 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2300 (init_reg_autoinc): Use new base_reg_class function.
2301 (record_reg_classes): Likewise.
2302 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2303 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2304 Use new args to compute necessary class.
2306 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2307 regrename.o, rtl-factoring.o): Update dependencies.
2308 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2309 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2310 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2311 REG_OK_FOR_INDEX_P): Delete documentation.
2313 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2315 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2316 from V7 to V9 for Solaris 7 and above.
2318 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2320 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2321 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2322 argument pointers may not alias any other storage.
2323 * common.opt: Define option -fargument-noalias-anything.
2324 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2325 alias semantics is specified by flag_argument_noalias > 2.
2327 2006-03-20 Jeff Law <law@redhat.com>
2329 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2330 (pass_phi_only_cprop): Declare.
2331 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2332 with phi_only_cprop
2333 * tree-ssa-dom.c (degenerate_phi_result): New function.
2334 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2335 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2336 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2337 (eliminate_degenerate_phis): Likewise.
2338 (pass_phi_only_cprop): New pass descriptor.
2339 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2340 support code. Callers updated.
2341 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2342 (store_copy_prop): Likewise.
2343 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2345 2006-03-20 Jason Merrill <jason@redhat.com>
2347 PR c++/21764
2348 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2349 (push_visibility, pop_visibility): Likewise.
2350 * c-pragma.h: Declare them.
2352 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2354 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2356 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2357 parameter and use get_ebb_head_tail.
2358 (sh_md_init_global): Adjust uses of find_regmode_weight.
2360 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2362 * function.h (struct function) <x_tail_recursion_reentry>:
2363 Rename to x_stack_check_probe_note.
2364 (tail_recursion_reentry): Rename to stack_check_probe_note.
2365 * function.c: Replace tail_recursion_reentry with
2366 stack_check_probe_note everywhere.
2367 (expand_function_start): Only emit a note for
2368 stack_check_probe_note with -fstack-protect.
2369 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2371 * emit-rtl.c (remove_unnecessary_notes): Remove.
2372 (pass_remove_unnecessary_notes): Remove.
2373 * rtl.h (remove_unnecessary_notes): Remove prototype.
2374 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2375 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2376 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2378 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2380 PR tree-opt/26629
2381 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2382 (valid_in_set): Handle ARRAY_REF.
2383 Change "if min_variant or VH" to asserts.
2384 (create_component_ref_by_pieces): Handle ARRAY_REF.
2385 (create_expression_by_pieces): Likewise.
2386 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2388 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2390 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2391 is operand of switch, not str[0].
2393 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2395 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2396 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2398 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2400 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2401 end of insn_extra_address_constraint declaration.
2403 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2405 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2406 (no-sum-in-toc): Same.
2407 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2408 variables.
2409 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2410 NO_FP_IN_TOC for -fPIC instead of mask.
2412 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2413 (BOOT_LDFLAGS): Delete.
2414 (LDFLAGS): Delete.
2415 * config/rs6000/t-aix52: Same.
2417 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2418 (stmsi[345678]_power): New.
2420 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2422 * config/ia64/ia64.opt: Add empty line to end of file.
2424 2006-03-17 Richard Guenther <rguenther@suse.de>
2426 PR middle-end/26721
2427 * builtins.c (get_pointer_alignment): For component style references
2428 adjust alignment to the component type alignment. Make sure
2429 to adjust alignment for component access of constants.
2431 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2433 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2434 unconditional jump.
2436 2006-03-17 Paul Brook <paul@codesourcery.com>
2438 * doc/install.texi: Docuemnt --with-mode.
2439 * config.gcc: Add --with-mode for arm*-*-*.
2440 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2442 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2444 * sh.c (max_labelno_before_reorg): New variable.
2445 (sh_reorg): Initialize it.
2446 (find_barrier): Check max_labelno_before_reorg before using
2447 label_to_alignment. Take length of explicit alignment insns
2448 into account. When seeing a UNSPECV_CONST_END, return it.
2450 * sh.c (fixup_mova): Set mode of affected label to QImode.
2451 (untangle_mova): New function.
2452 (find_barrier): Use it. Check mode of label before decrementing
2453 num_mova.
2454 (sh_reorg): Likewise.
2455 Set mode of all insns back to VOIDmode.
2457 * sh.c (MOVA_LABELREF): New macro.
2458 (mova_p, fixup_mova, sh_reorg): Use it.
2459 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2460 ADDR_DIFF_VEC matches mova.
2462 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2464 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2465 with ATTRIBUTE_UNUSED.
2467 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2469 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2470 pointer, instead of assuming it is possible to derive the
2471 correct args size from a call insn.
2473 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2475 * rtl.h (CONST_INT_P): Define.
2476 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2477 instead of GET_CODE(x) == CONST_INT.
2478 (vax_rtx_costs): Likewise.
2479 (vax_output_int_move): Likewise.
2480 (vax_output_int_add): Likewise.
2481 (legitimate_constant_address_p): Likewise.
2482 (index_term_p): Likewise.
2483 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2484 * config/vax/vax.md (and<mode>3): Likewise.
2485 (ashrsi3): Likewise.
2486 (extv): Likewise.
2487 (movstricthi): Likewise.
2488 (movstrictqi): Likewise.
2489 (rotrsi3): Likewise.
2490 (five unnamed insns): Likewise.
2492 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2494 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2495 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2496 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2497 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2498 Pass to ASM_OUTPUT_DWARF_OFFSET.
2499 * dwarf2out.c (debug_frame_section): New.
2500 (output_call_frame_info): Use debug_frame_section. Pass it to
2501 dw2_asm_output_offset.
2502 (output_die): Pass appropriate section to dw2_asm_output_offset.
2503 (output_compilation_unit_header): Likewise.
2504 (output_pubnames): Likewise.
2505 (output_aranges): Likewise.
2506 (enum dw_val_class): Break dw_val_class_lbl_offset into
2507 dw_val_class_lineptr and dw_val_class_macptr.
2508 (add_AT_lbl_offset): Delete.
2509 (add_AT_lineptr): New.
2510 (add_AT_macptr): New.
2511 (AT_lbl): Expect a lineptr or macptr.
2512 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2513 (attr_checksum): Likewise.
2514 (same_dw_val_p): Likewise.
2515 (size_of_die): Likewise.
2516 (value_format): Likewise.
2517 (output_die): Likewise.
2518 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2519 add_AT_lbl_offset.
2520 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2521 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2522 * config/darwin-protos.h (darwin_file_start): New.
2523 (darwin_asm_output_dwarf_offset): New.
2524 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2525 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2526 darwin_file_start.
2527 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2528 if not EH section; simplify.
2529 (darwin_file_start): New.
2530 (darwin_asm_output_dwarf_offset): New.
2531 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2532 mark as 'debug'.
2533 (DEBUG_INFO_SECTION): Likewise.
2534 (DEBUG_ABBREV_SECTION): Likewise.
2535 (DEBUG_ARANGES_SECTION): Likewise.
2536 (DEBUG_MACINFO_SECTION): Likewise.
2537 (DEBUG_LINE_SECTION): Likewise.
2538 (DEBUG_LOC_SECTION): Likewise.
2539 (DEBUG_PUBNAMES_SECTION): Likewise.
2540 (DEBUG_STR_SECTION): Likewise.
2541 (DEBUG_RANGES_SECTION): Likewise.
2542 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2543 (ASM_OUTPUT_DWARF_OFFSET): New.
2545 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2547 * config.gcc (tm_defines): Always add to previous value rather
2548 than replacing it.
2550 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2552 * config/mips/predicates.md (splittable_const_int_operand): New,
2553 split from move_operand.
2554 (splittable_symbolic_operand): New.
2555 (move_operand): Add commentary. Use splittable_const_int_operand.
2556 Inline mips_atomic_symbolic_constant_p.
2557 * config/mips/mips.md: Add combine splitters for handling moves
2558 of splittable_const_int_operands and splittable_symbolic_operands.
2559 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2560 (mips_split_symbol): Declare.
2561 (mips_move_integer): Declare.
2562 * config/mips/mips.c (mips_split_p): Make global.
2563 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2564 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2565 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2566 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2567 (mips_offset_within_object_p): Handle block symbols.
2568 (mips_atomic_symbolic_constant_p): Delete.
2569 (mips_cannot_force_const_mem): Return false for constants that
2570 mips_legitimize_move can handle.
2571 (mips_use_blocks_for_constant_p): New function.
2572 (mips_split_symbol): Make global.
2573 (mips_move_integer): Likewise. Add a temporary register argument.
2574 (mips_legitimize_const_move): Use splittable_const_int_operand and
2575 splittable_symbolic_operand.
2576 (mips_use_anchors_for_symbol_p): New function.
2577 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2578 (mips_split_p): Declare.
2580 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2582 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2583 (mips*-*-linux*): Likewise.
2585 2006-03-16 Roger Sayle <roger@eyesopen.com>
2586 Daniel Speyer <dspeyer@wam.umd.edu>
2588 PR middle-end/18259
2589 * tree-dump.c (dump_real): New function.
2590 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2591 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2592 (tree-dump.o): Add $(REAL_H) to the dependencies.
2594 2006-03-16 Roger Sayle <roger@eyesopen.com>
2596 PR middle-end/21781
2597 * real.c (real_from_string): If the mantissa is zero, don't bother
2598 parsing the exponent as the result should always be zero.
2600 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2602 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2604 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2606 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2607 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2608 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2609 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2610 ia64_sched_finish_global): New static functions to implement
2611 hooks from gcc_target.sched.
2612 (spec_check_no, max_uid, pending_data_specs): New static variables.
2613 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2614 ia64_spec_check_src_p): New static functions.
2615 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2616 (TARGET_SCHED_ADJUST_COST): Removed.
2617 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2618 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2619 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2620 TARGET_SCHED_GEN_CHECK,
2621 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2622 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2623 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2624 Fixed to handle speculation checks.
2625 (rtx_needs_barrier): Fixed to handle speculative loads and
2626 their checks.
2627 (ia64_variable_issue): Added code to count speculative loads and their
2628 checks.
2629 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2630 speculative loads.
2631 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2632 New enumerations.
2633 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2634 New constants.
2635 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2636 (ia64_reorg): Reset stops_p to NULL after it is freed.
2637 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2638 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2639 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2640 chk_a.
2641 (data_speculative, control_speculative, check_load): New attributes.
2642 (mov<mode>_advanced, mov<mode>_speculative,
2643 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2644 zero_extend<mode>di2_speculative,
2645 zero_extend<mode>di2_speculative_advanced): New patterns for
2646 data and control speculative loads.
2647 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2648 check loads.
2649 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2650 New pattern for data and control speculation checks.
2651 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2652 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2653 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2654 Auxiliary definitions for the patterns.
2655 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2656 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2657 constraints.
2658 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2659 for speculation.
2660 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2661 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2662 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2663 New resource constraints.
2664 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2665 for speculation.
2666 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2667 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2668 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2669 msched-in-control-spec, msched-ldc, msched-control-ldc,
2670 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2671 msched-prefer-non-control-spec-insns,
2672 msched-count-spec-in-critical-path): New flags to tune speculative
2673 scheduling.
2674 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2675 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2676 msched-in-control-spec, msched-ldc, msched-control-ldc,
2677 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2678 msched-prefer-non-control-spec-insns,
2679 msched-count-spec-in-critical-path): Document new flags.
2681 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2683 * target.h (struct spec_info_def): New opaque declaration.
2684 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2685 speculate_insn, needs_block_p, gen_check,
2686 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2687 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2688 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2689 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2690 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2691 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2692 gcc_target.sched.
2693 (TARGET_SCHED): Use new macros.
2694 * rtl.h (copy_DEPS_LIST_list): New prototype.
2695 * sched-int.h (struct sched_info): Change signature of new_ready field,
2696 adjust all initializations. New fields: add_remove_insn,
2697 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2698 region_head_or_leaf_p.
2699 (struct spec_info_def): New structure declaration.
2700 (spec_info_t): New typedef.
2701 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2702 recovery_block, orig_pat.
2703 (glat_start, glat_end): New variables declaraions.
2704 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2705 New access macros.
2706 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2707 DETACH_LIFE_INFO, USE_GLAT.
2708 (enum SPEC_SCHED_FLAGS): New enumeration.
2709 (NOTE_NOTE_BB_P): New macro.
2710 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2711 attach_life_info, debug_spec_status, check_reg_live): New functions.
2712 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2713 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2714 sched-ebb.c
2715 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2716 * ddg.c (get_block_head_tail): Adjust all uses.
2717 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2718 (sms_sched_info): Initialize new fields.
2719 (contributes_to_priority): Removed.
2720 * haifa-sched.c (params.h): New include.
2721 (get_block_head_tail): Adjust all uses.
2722 (ISSUE_POINTS): New macro.
2723 (glat_start, glat_end): New global variables.
2724 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2725 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2726 old_last_basic_block, before_recovery, current_sched_info_var,
2727 rgn_n_insns, luid): New static variables.
2728 (insn_cost1): New function. Move logic from insn_cost to here.
2729 (find_insn_reg_weight1): New function. Move logic from
2730 find_insn_reg_weight to here.
2731 (reemit_notes, move_insn, max_issue): Change signature.
2732 (move_insn1): Removed.
2733 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2734 extend_bb): New static functions to support extension of scheduler's
2735 data structures.
2736 (generate_recovery_code, process_insn_depend_be_in_spec,
2737 begin_speculative_block, add_to_speculative_block,
2738 init_before_recovery, create_recovery_block, create_check_block_twin,
2739 fix_recovery_deps): New static functions to support
2740 generation of recovery code.
2741 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2742 restore_bb_notes, move_block_after_check, move_succs): New static
2743 functions to support ebb scheduling.
2744 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2745 functions to support handling of register live information.
2746 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2747 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2748 add_jump_dependencies): New static functions.
2749 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2750 consistancy checking.
2751 (debug_spec_status): New function to call from debugger.
2752 (priority): Added code to handle speculation checks.
2753 (rank_for_schedule): Added code to distinguish speculative instructions.
2754 (schedule_insn): Added code to handle speculation checks.
2755 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2756 Fixed to handle ebbs.
2757 (move_insn): Added code to handle ebb scheduling.
2758 (max_issue): Added code to use ISSUE_POINTS of instructions.
2759 (choose_ready): Added code to choose between speculative and
2760 non-speculative instructions.
2761 (schedule_block): Added code to handle ebb scheduling and scheduling of
2762 speculative instructions.
2763 (sched_init): Initialize new variables.
2764 (sched_finish): Free new variables. Print statistics.
2765 (try_ready): Added code to handle speculative instructions.
2766 * lists.c (copy_DEPS_LIST_list): New function.
2767 * sched-deps.c (extend_dependency_caches): New function. Move logic
2768 from create_dependency_caches to here.
2769 (get_dep_weak, ds_merge): Make global.
2770 * genattr.c (main): Code to output prototype for
2771 dfa_clear_single_insn_cache.
2772 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2773 (output_dfa_clean_insn_cache_func): Code to output
2774 dfa_clear_single_insn_cache function.
2775 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2776 n_insns.
2777 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2778 Removed.
2779 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2780 New static variables.
2781 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2782 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2783 struct sched_info.
2784 (ebb_sched_info): Initialize new fields.
2785 (get_block_head_tail): Adjust all uses.
2786 (compute_jump_reg_dependencies): Fixed to use glat_start.
2787 (schedule_ebb): Code to remove unreachable last block.
2788 (schedule_ebbs): Added code to update register live information.
2789 * sched-rgn.c (region_sched_info): Initialize new fields.
2790 (get_block_head_tail): Adjust all uses.
2791 (last_was_jump): Removed. Adjust users.
2792 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2793 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2794 Implement new hooks.
2795 (check_dead_notes1): New static function.
2796 (struct region): New fields: dont_calc_deps, has_real_ebb.
2797 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2798 (BB_TO_BLOCK): Fixed to handle EBBs.
2799 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2800 (ebb_head): New static variable.
2801 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2802 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2803 new fields.
2804 (compute_dom_prob_ps): New assertion.
2805 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2806 global_live_at_start.
2807 (init_ready_list): New assertions.
2808 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2809 (new_ready): Add support for BEGIN_CONTROL speculation.
2810 (schedule_insns): Fixed code that updates register live information
2811 to handle EBBs.
2812 (schedule_region): Fixed to handle EBBs.
2813 (init_regions): Use extend_regions and check_dead_notes1.
2814 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2815 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2816 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2817 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2818 TARGET_SCHED_GEN_CHECK,
2819 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2820 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2821 * doc/invoke.texi (max-sched-insn-conflict-delay,
2822 sched-spec-prob-cutoff): Document.
2824 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2826 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2827 inter_tick, queue_index.
2828 (struct sched_info): Change signature of init_ready_list field.
2829 Adjust all initializations.
2830 (RESOLVED_DEPS): New access macro.
2831 (ready_add): Remove prototype.
2832 (try_ready): Add prototype.
2833 * sched-rgn.c (init_ready_list): Use try_ready.
2834 (schedule_region): Initialize
2835 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2836 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2837 (init_ready_list): Use try_ready.
2838 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2839 * lists.c (remove_list_elem): Remove `static'.
2840 (remove_free_INSN_LIST_elem): New function.
2841 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2842 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2843 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2844 New constants.
2845 (readyp): New variable.
2846 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2847 change_queue_index, resolve_dep): New static functions.
2848 (try_ready): New function. Adjust callers in sched-rgn.c and
2849 sched-ebb.c to use it instead of ready_add.
2850 (clock_var): Move at the begining of file.
2851 (rank_for_schedule): Fix typo.
2852 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2853 (ready_lastpos): Enforce assertion.
2854 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2855 update all callers.
2856 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2857 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2858 (queue_to_ready): Use free_INSN_LIST_list.
2859 (early_queue_to_ready): Fix typo.
2860 (schedule_block): Init readyp. Move init_ready_list call after the
2861 initialization of clock_var. Fix error in rejecting insn by
2862 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2863 that previously corrected INSN_TICKs. Add code for handling
2864 QUEUE_INDEX.
2865 (set_priorities): Fix typo.
2866 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2867 Clarify comment and code that keeps current_sched_info->next_tail
2868 non-null.
2870 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2872 * sched-rgn.c (extend_rgns): New static function.
2873 (find_rgns): Use it.
2874 (gather_region_statistics, print_region_statistics): New static
2875 functions.
2876 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2877 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2879 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2880 Andrey Belevantsev <abel@ispras.ru>
2882 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2883 * lists.c (unused_deps_list): New variable.
2884 (free_list): Add assertions to verify the proper distinguishing
2885 between INSN_LISTs and DEPS_LISTs.
2886 (find_list_elem, remove_list_elem, remove_list_node): New static
2887 functions.
2888 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2889 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2890 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2891 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2892 an INSN_LIST.
2893 (free_INSN_LIST_node): Likewise.
2894 * modulo-sched.c (current_sched_info): Initialize flags field.
2895 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2896 * rtl.def (DEPS_LIST): Define.
2897 * rtl.h: Declare new functions from lists.c.
2898 * sched-deps.c (spec_dependency_cache): New static variable.
2899 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2900 (add_dependence): Change return type to void. Move the logic to ...
2901 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2902 (delete_all_dependences): Add comment about forward_dependency_cache.
2903 Handle spec_dependency_cache. Handle DEPS_LISTs.
2904 (fixup_sched_groups): Clarify the change of priority of output
2905 and anti dependencies.
2906 (sched_analyze_2): Adjust add_dependence calls to create data
2907 speculative dependence.
2908 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2909 Adjust all callers. Handle DEPS_LISTS.
2910 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2911 presence of speculation.
2912 (init_dependency_caches, free_dependency_caches):
2913 Handle spec_dependency_cache.
2914 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2915 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2916 New static functions.
2917 (add_or_update_back_dep, add_or_update_back_forw_dep,
2918 add_back_forw_dep, delete_back_forw_dep): New functions.
2919 * sched-int.h (ds_t, dw_t): New typedefs.
2920 (struct sched_info): Add new field flags.
2921 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2922 Prototype new sched-deps.c functions.
2923 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2924 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2925 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2926 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2927 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2928 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2929 New constants.
2930 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2931 New enums.
2932 * sched-rgn.c (current_sched_info): Initialize flags field.
2933 (schedule_insns): Initialize current_sched_info before the sched_init
2934 call.
2935 * sched-ebb.c (current_sched_info): Initialize flags field.
2936 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2937 Call add_or_update_back_dep instead of add_dependence.
2938 Create control speculative dependencies.
2939 (schedule_insns): Initialize current_sched_info before the sched_init
2940 call.
2942 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2944 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2945 fs->signal_frame.
2946 (sh_fallback_frame_state): Likewise.
2948 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2950 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2951 Do switch on default_use_cxa_atexit.
2952 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2953 * config/darwin-crt3.o: New.
2954 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2955 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2956 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2957 OS version.
2958 * config/rs6000/t-darwin: Move crt2.o building to here.
2959 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2960 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2961 of __cxa_atexit.
2963 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2965 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2966 from '! xxx' to '!xxx' for coding-style conformance.
2967 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2968 (EXTRA_CONSTRAINT): Likewise.
2969 * config/vax/vax.md (four unnamed insns): Likewise.
2971 2006-03-15 Paul Brook <paul@codesourcery.com>
2973 * config/arm/arm.c (minipool_pad): New.
2974 (add_minipool_forward_ref): Include pool alignment padding in address
2975 calculation.
2976 (push_minipool_fix): Set minipool_pad.
2977 (minipool_pad): Ditto.
2979 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2981 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2982 instead of GET_CODE() == MEM and REG_P() instead of
2983 GET_CODE() == REG.
2984 (print_operand_address): Likewise.
2985 (vax_address_cost): Likewise.
2986 (vax_rtx_costs): Likewise.
2987 (vax_notice_update_cc): Likewise.
2988 (vax_output_int_add): Likewise.
2989 (INDEX_REGISTER_P): Likewise.
2990 (BASE_REGISTER_P): Likewise.
2991 (nonindexed_address_p): Likewise.
2992 (vax_mode_dependent_address_p): Likewise.
2993 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2994 (PRINT_OPERAND): Likewise.
2995 * config/vax/vax.md (ashlsi3): Likewise.
2996 (ashlsi3): Likewise.
2997 (some more unnamed insns): Likewise.
2999 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3001 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3002 iterator-style macro.
3003 (mark_control_dependent_edges_necessary): Update the use of
3004 EXECUTE_IF_CONTROL_DEPENDENT.
3006 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3008 * config/sh/predicates.md (cache_address_operand): Special.
3009 (ua_address_operand): Likewise.
3011 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3013 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3014 loop notes.
3015 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3017 2006-03-15 Andreas Schwab <schwab@suse.de>
3019 * gensupport.c (identify_predicable_attribute): Don't free p_false
3020 when it is still in use.
3022 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3024 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3025 the default setting here.
3027 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3029 * tree-pass.h (pass_cfg): Remove.
3030 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3031 * passes.c (pass_cfg): Don't run it.
3033 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3035 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3036 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3037 VEC(char,heap) *.
3038 (stack_regs_mentioned): Update the uses of
3039 stack_regs_mentioned_data. Don't access the array beyond its
3040 end.
3041 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3042 Don't include gt-reg-stack.h.
3044 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3045 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3047 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3049 PR middle-end/26684
3050 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3051 STACK_REGS.
3053 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3055 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3057 2006-03-14 Richard Guenther <rguenther@suse.de>
3059 PR tree-optimization/26672
3060 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3061 SSA form.
3063 2006-03-14 Richard Guenther <rguenther@suse.de>
3065 PR tree-optimization/26667
3066 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3067 node for the callees. Always allow inlining if it will shrink
3068 the function size.
3070 2006-03-14 Richard Guenther <rguenther@suse.de>
3072 PR middle-end/26659
3073 * builtins.c (get_pointer_alignment): Prefer alignment
3074 information from decls over that from types.
3076 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3078 PR target/26657
3079 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3081 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3083 * config/rs6000/rs6000.opt (mdlmzb): New option.
3084 (msched-prolog, msched-epilog): Use Var not Mask.
3085 * doc/invoke.texi (-mdlmzb): Document.
3086 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3087 MASK_SCHED_PROLOG.
3088 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3089 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3091 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3093 PR rtl-optimization/25739
3094 * bt-load.c (augment_live_range): Free tos pointer.
3096 * gensupport.c (identify_predicable_attribute): Free
3097 p_false pointer.
3098 * gcov.c (create_file_names): Free name pointer.
3100 2006-03-13 Roger Sayle <roger@eyesopen.com>
3102 PR middle-end/26557
3103 * stmt.c (emit_case_nodes): Handle the case where the index is a
3104 CONST_INT, where the comparison mode is specified by the index type.
3106 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3108 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3109 is defined.
3111 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3113 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3114 (*branch_fp_inverted): Likewise.
3116 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3118 PR middle-end/25989
3119 * omp-low.c (expand_omp_for_generic): Mark istart0
3120 and iend0 as addressable.
3122 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3124 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3126 2006-03-13 Jeff Law <law@redhat.com>
3128 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3129 virtual operands are interesting.
3130 (vrp_visit_stmt): Corresponding changes.
3132 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3134 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3135 of RETS.
3136 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3137 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3138 * config/bfin/crti.S: Use it instead of __PIC__.
3139 * config/bfin/crtn.S: Likewise.
3141 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3142 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3143 not if flag_pic.
3144 Lose 'G' modifier for call operand.
3145 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3146 recognize 'G' modifier.
3148 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3150 PR middle-end/18859
3151 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3152 * stmt.c (expand_case): Likewise.
3154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3156 PR rtl-optimization/26254
3157 * loop-invariant.c (seq_insns_valid_p): New function.
3158 (move_invariant_reg): Only emit new code if it is valid.
3160 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3162 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3163 Removed.
3164 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3165 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3166 (commit_one_edge_insertion): Do not look for loop notes.
3168 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3170 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3171 flag_test_coverage out of loop.
3173 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3175 * final.c (shorten_branches): Remove outdated comment, and turn
3176 the if branch that guards it to continue.
3178 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3180 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3181 * cfgloop.h (struct loop): Remove unused fields.
3183 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3185 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3186 (-dL, -fdump-rtl-loop2): Update the dump file names
3188 * doc/invoke.texi: Update dump file names.
3190 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3192 * predict.c (estimate_probability): Remove.
3193 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3194 * basic-block.h (estimate_probability): Remove prototype.
3195 * passes.c (finish_optimization_passes): Dump branch prediction or
3196 profiling heuristics to the .profile tree dump.
3197 (init_optimization_passes): Unqueue pass_branch_prob.
3199 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3201 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3203 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3204 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3206 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3208 * function.h (frame_offset_overflow): Declare.
3209 * function.c (frame_offset_overflow): New function.
3210 (assign_stack_local_1): Call it to detect that the offset overflows.
3211 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3213 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3215 * config/sh/sh.c: Include alloc-pool.h.
3216 (label_ref_list_pool): New alloc pool.
3217 (label_ref_list_t): New type for lists of labels.
3218 (struct pool_node): Make wend a label_ref_list_t.
3219 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3220 references.
3221 (dump_table): Likewise.
3222 (sh_reorg): Set up the alloc pool before using add_constant and
3223 dump_table, and destroy it when finishing.
3225 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3227 * config/mips/mips.c: Remove redundant comment.
3229 2006-03-10 Jason Merrill <jason@redhat.com>
3231 PR c/26004
3232 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3233 the target was declared 'register'.
3235 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3237 * genpreds.c (write_insn_constraint_len): Change definition of
3238 insn_constraint_len to return size_t to match the declaration.
3240 2006-03-10 DJ Delorie <dj@redhat.com>
3242 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3243 start at zero.
3244 (m32c_expand_insv): Fix test for an AND mask.
3246 2006-03-10 Richard Guenther <rguenther@suse.de>
3248 PR middle-end/26565
3249 * builtins.c (get_pointer_alignment): Handle component
3250 references for field alignment.
3252 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3254 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3255 when building with libgloss.
3256 (sh*elf): Implement --without-fp option.
3257 (sh64-superh-linux*): Don't multilib.
3259 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3261 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3263 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3265 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3266 Set it when one of the replacement functions returned true.
3267 Return TODO_cleanup_cfg if cfgchanged is true.
3268 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3270 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3272 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3273 instead of gen_lowpart.
3275 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3277 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3278 interface.
3279 (mips_output_order_conditional_branch): Declare.
3280 * config/mips/mips.h (MIPS_BRANCH): New macro.
3281 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3282 for the comparison. Use gen_condjump.
3283 (mips_output_conditional_branch): Rework interface to take the
3284 asm templates for a direct branch and the inverse of a direct branch.
3285 (mips_output_order_conditional_branch): New function.
3286 (mips_builtin_branch_and_move): New function.
3287 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3288 branch condition. Use gen_single_cc as the condition for
3289 __builtin_mips_upper_* or __builtin_mips_lower_*.
3290 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3291 Use VOIDmode for the branch condition.
3292 * config/mips/predicates.md (order_operator): New predicate.
3293 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3294 (branch_fp): Rename to...
3295 (*branch_fp): ...this. Remove mode from comparison operator.
3296 Use new mips_output_conditional_branch interface.
3297 (branch_fp_inverted): Rename to...
3298 (*branch_fp_inverted): ...this and update as for *branch_fp.
3299 (*branch_zero<mode>): Rename to...
3300 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3301 Use mips_output_order_conditional_branch. Only accept ordered
3302 comparisons.
3303 (*branch_zero<mode>_inverted): Rename to...
3304 (*branch_order<mode>_inverted): ...this and update as for
3305 *branch_order<mode>.
3306 (*branch_equality<mode>): Accept zero as the second operand to
3307 the equality operator. Use the new mips_output_conditional_branch
3308 interface.
3309 (*branch_equality<mode>_inverted): Likewise.
3310 (condjump): New expander.
3311 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3312 operator.
3313 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3314 (bc1any2t, bc1any2f): Likewise.
3315 (single_cc): New expander.
3316 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3318 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3320 * doc/md.texi: Update documentation of MIPS constraints.
3321 * config/mips/constraints.md: New file.
3322 * config/mips/mips.md: Include it.
3323 * config/mips/mips.c (mips_char_to_class): Delete.
3324 (override_options): Don't initialize mips_char_to_class.
3325 * config/mips/mips.h (mips_char_to_class): Delete.
3326 (REG_CLASS_FROM_LETTER): Delete.
3327 (CONST_OK_FOR_LETTER_P): Delete.
3328 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3329 (EXTRA_CONSTRAINT_Y): Delete.
3330 (EXTRA_CONSTRAINT_STR): Delete.
3331 (CONSTRAINT_LEN): Delete.
3332 (EXTRA_MEMORY_CONSTRAINT): Delete.
3334 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3336 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3337 original fn's eh regions.
3339 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3341 * fold-const.c (build_range_check): Make sure to use a valid type to
3342 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3343 transformation.
3345 (range_predecessor): New static function.
3346 (range_successor): Likewise.
3347 (merge_ranges): Use them to compute predecessors and successors of
3348 range bounds.
3350 2006-03-09 Roger Sayle <roger@eyesopen.com>
3352 PR middle-end/26561
3353 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3354 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3356 2006-03-08 DJ Delorie <dj@redhat.com>
3358 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3359 (addpsi3): Expand to include memory operands. Remove
3360 reload-specific splits.
3361 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3362 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3363 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3364 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3365 (shift1_qi, shift1_hi, insv): New.
3366 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3367 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3368 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3369 cond_to_int): New.
3370 * config/m32c/m32c-protos.h: Update as needed.
3371 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3372 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3373 Fail for unrecognized R* constraints.
3374 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3375 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3376 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3377 Add Sp constraint.
3378 (m32c_init_libfuncs): New.
3379 (m32c_legitimate_address_p): Add debug wrapper.
3380 (m32c_rtx_costs): New.
3381 (m32c_address_cost): New.
3382 (conversions): Add 'B' prefix.
3383 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3384 operands, or word regnames for QI operands. 'B' prints bit
3385 position.
3386 (m32c_expand_setmemhi): New.
3387 (m32c_expand_movmemhi): New.
3388 (m32c_expand_movstr): New.
3389 (m32c_expand_cmpstr): New.
3390 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3391 (m32c_expand_neg_mulpsi3): Handle non-ints.
3392 (m32c_cmp_flg_0): New.
3393 (m32c_expand_movcc): New.
3394 (m32c_expand_insv): New.
3395 (m32c_scc_pattern): New.
3396 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3397 a0/a1 out of SIregs.
3398 (STORE_FLAG_VALUE): New.
3399 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3400 code macros.
3401 (no_insn): New.
3402 * config/m32c/mov.md: Make constraints more liberal.
3403 (zero_extendqihi2): Optimize r0/r1 case.
3404 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3405 * config/m32c/predicates.md (m32c_any_operand): New.
3406 (m32c_nonimmediate_operand): New.
3407 (m32c_hl_operand): New.
3408 (m32c_r3_operand): New.
3409 (ap_operand): New.
3410 (ma_operand): New.
3411 (memsym_operand): New.
3412 (memimmed_operand): New.
3413 (a_qi_operand): New.
3414 (m32c_eqne_operator): New.
3415 (m32c_1bit8_operand): New.
3416 (m32c_1bit16_operand): New.
3417 (m32c_1mask8_operand): New.
3418 (m32c_1mask16_operand): New.
3419 * config/m32c/blkmov.md: New file.
3420 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3422 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3424 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3425 unsigned to fix signed/unsigned comparison issue in
3426 DWARF2_FRAME_REG_OUT.
3427 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3428 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3430 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3431 of ptr into the ENABLE_CHECKING section.
3433 2006-03-08 Jeff Law <law@redhat.com>
3435 * tree-vrp.c (infer_value_range): Only count pointer uses
3436 and dereferences if -fdelete-null-pointer-checks is enabled.
3438 * tree-vrp.c (find_assert_locations): Infer value ranges for
3439 single use pointers, but do not create ASSERT_EXPRs for them.
3440 When a non-null range is inferred for a pointer, backwards
3441 propagate that range to other equivalent pointers through the
3442 use-def chain.
3444 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3446 PR bootstrap/26500
3447 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3448 language hook targets.
3449 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3450 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3451 if language hook targets were missing.
3453 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3455 * tree-ssa-opfinalize.h: Removed.
3456 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3457 dependency.
3458 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3459 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3460 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3461 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3462 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3463 finalize_ssa_v_must_def_ops): New.
3465 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3467 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3468 block as parameter.
3470 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3472 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3474 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3475 addresses with offsets; reorganize.
3477 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3478 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3479 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3481 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3483 PR target/26588
3484 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3486 2006-03-08 Ben Elliston <bje@au.ibm.com>
3488 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3490 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3492 PR gomp/26238
3493 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3494 expansion.
3496 2006-03-07 Richard Guenther <rguenther@suse.de>
3498 PR tree-optimization/26587
3499 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3501 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3503 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3505 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3507 * hooks.c (hook_bool_mode_rtx_true): New function.
3508 * hooks.h (hook_bool_mode_rtx_true): Declare.
3509 * toplev.c (compile_file): Call output_shared_constant_pool.
3510 * varasm.c (shared_constant_pool): New variable.
3511 (assemble_start_function, assemble_end_function): Remove arguments
3512 from call to output_constant_pool.
3513 (create_constant_pool): New function, split out from...
3514 (init_varasm_status): ...here.
3515 (force_const_mem): Choose between the shared and per-function constant
3516 pools. Set current_function_uses_const_pool when reusing old entries
3517 as well as when creating new ones.
3518 (mark_constant): Ignore data argument.
3519 (mark_constants): Remove pool argument.
3520 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3521 to decide whether the function uses a constant pool.
3522 (output_constant_pool_contents): New function, split out from...
3523 (output_constant_pool): ...here.
3524 (output_shared_constant_pool): New function.
3525 (init_varasm_once): Initialize shared_constant_pool.
3526 * output.h (output_constant_pool): Delete.
3527 (output_shared_constant_pool): Declare.
3528 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3529 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3531 2006-03-06 Nick Clifton <nickc@redhat.com>
3533 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3534 flag_strength_reduce.
3536 2006-03-06 Ben Elliston <bje@au.ibm.com>
3538 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3539 x86_64-*-linux* configurations.
3541 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3542 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3544 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3546 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3547 Remove.
3548 * basic-block.h: Remove the extern for
3549 rediscover_loops_after_threading.
3551 * cfgloop.c (cancel_loop): Make it static.
3552 * cfgloop.h: Remove the prototype for cancel_loop.
3554 * flow.c (recompute_reg_usage): Make it static.
3555 * rtl.h: Remove the prototype for recompute_reg_usage.
3557 * function.c (use_return_register): Make it static.
3558 * function.h: Remove the prototype.
3560 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3562 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3563 Remove.
3564 * recog.h: Remove the prototype for
3565 validate_change_maybe_volatile.
3567 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3569 * rtlanal.c (replace_reg): Remove.
3570 * rtl.h: Remove the prototype for replace_reg.
3572 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3574 * regclass.c (reg_scan_update): Remove.
3575 (reg_scan_mark_refs): Remove the last argument.
3576 * rtl.h: Remove the prototype for reg_scan_update.
3578 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3580 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3581 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3582 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3583 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3584 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3585 loop-invariant.c, omp-low.c, opts.c, passes.c,
3586 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3587 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3588 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3589 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3590 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3591 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3593 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3595 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3596 * dwarf2out.h: Remove the prototype for
3597 dwarf2out_add_library_unit_info.
3599 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3601 * tree.c (add_var_to_bind_expr): Remove.
3602 * tree.h: Remove the prototype for add_var_to_bind_expr.
3604 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3606 * regclass.c (n_non_fixed_regs): Remove.
3607 (init_reg_sets_1, globalize_reg): Remove all uses of
3608 n_non_fixed_regs.
3609 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3611 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3613 * rtlanal.c (insns_safe_to_move_p): Remove.
3614 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3616 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3618 * expmed.c (expand_mult_add): Remove.
3619 * expr.h: Remove the prototype for expand_mult_add.
3621 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3623 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3624 and REG_SAVED_VAL_EXP constants.
3625 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3626 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3627 Handle regs stored by value.
3628 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3629 (execute_cfa_program): Handle DW_CFA_val_offset,
3630 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3631 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3632 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3633 (uw_install_context_1): Handle target regs stored by value.
3635 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3637 * tree-sra.c (tree_sra): Return todoflags;
3638 (generate_one_element): Set TODO_update_smt_usage if needed.
3639 (pass_sra): Remove TODO_update_smt_usage.
3640 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3641 parameter.
3642 (tree_ssa_forward_propagate_single_use_vars): Return
3643 TODO_update_smt_usage if we need to update SMT usage.
3644 (pass_forwprop): Remove TODO_update_smt_usage.
3646 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3648 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3649 (correct_use_link): Remove reference to get_stmt_operands.
3650 (update_stmt_operands): Likewise.
3651 (get_modify_expr_operands): New function factored out of
3652 parse_ssa_operands and get_expr_operands.
3653 Try to create V_MUST_DEFs for LHS by default.
3654 (get_expr_operands) <case MODIFY_EXPR>: Call
3655 get_modify_expr_operands.
3656 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3657 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3658 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3659 get_modify_expr_operands.
3661 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3663 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3664 * tree-flow.h: Remove the prototype for
3665 referenced_var_lookup_if_exists.
3667 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3669 PR rtl-optimization/26345
3670 PR target/19061
3671 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3673 2006-03-03 Roger Sayle <roger@eyesopen.com>
3675 PR tree-optimization/26524
3676 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3677 fold_convert to create a constant of the appropriate type.
3679 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3681 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3682 SYMBOL_REF_IN_BLOCK_P.
3683 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3684 of SYMBOL_FLAG_IN_BLOCK.
3685 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3686 instead of SYMBOL_REF_IN_BLOCK_P.
3687 * explow.c (use_anchored_address): Likewise.
3688 * rtl.c (rtx_size): Likewise.
3689 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3690 instead of SYMBOL_FLAG_IN_BLOCK.
3691 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3692 SYMBOL_REF_IN_BLOCK_P.
3693 (assemble_variable): Likewise.
3694 (output_constant_def_contents): Likewise.
3695 (output_constant_pool): Likewise.
3696 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3697 instead of SYMBOL_FLAG_IN_BLOCK.
3698 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3699 SYMBOL_REF_IN_BLOCK_P.
3700 (SYMBOL_REF_BLOCK): Likewise.
3701 (SYMBOL_REF_OFFSET): Likewise.
3702 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3703 SYMBOL_REF_IN_BLOCK_P.
3704 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3705 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3706 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3707 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3709 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3711 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3713 2006-03-02 Roger Sayle <roger@eyesopen.com>
3715 * simplify-rtx.c (simplify_unary_operation): When simplifying
3716 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3717 that we perform the right shift in the appropriate mode, and
3718 then extend or truncate the result to requested mode.
3720 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3722 * gengtype.c (main): Handle double_int type.
3723 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3724 * double-int.c: New file.
3725 * double-int.h: New file.
3726 * system.h: Include doubleint.h.
3727 * Makefile.in (SYSTEM_H): Include double-int.h.
3728 (double-int.o): Add.
3730 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3732 PR bootstrap/26478
3733 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3734 copying over it.
3736 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3738 * tree-vrp.c (remove_range_assertions): Do not update statements
3739 unnecessarily.
3741 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3743 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3744 cleanup.
3745 * gcse.c (rest_of_handle_gcse): Ditto.
3746 * except.c (gate_handle_eh): Ditto.
3747 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3748 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3750 2006-03-02 Eric Christopher <echristo@apple.com>
3752 * config/i386/i386.c (machopic_output_stub): Add indirection to
3753 jump.
3755 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3757 * loop.c: Removed.
3759 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3761 Sun Niagara specific optimizations.
3762 * config.gcc: Recognize niagara as target.
3763 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3764 (TARGET_CPU_niagara): Define.
3765 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3766 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3767 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3768 (ASM_CPU_SPEC): Likewise.
3769 (PROCESSOR_NIAGARA): New enum entry.
3770 (REGISTER_MOVE_COST): Handle Niagara.
3771 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3772 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3773 (sparc_override_options): Recognize "niagara", set appropriate
3774 default MASK_* values for it, and align functions to 32-bytes
3775 by default just like ULTRASPARC/ULTRASPARC3.
3776 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3777 (sparc64_initialize_trampoline): Likewise.
3778 (sparc_use_sched_lookahead): Use zero for niagara.
3779 (sparc_issue_rate): Use one for niagara.
3780 * config/sparc/niagara.md: New file.
3781 * config/sparc/sparc.md: Include it.
3782 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3783 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3784 when default cpu is niagara.
3785 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3786 (ASM_CPU_SPEC): Likewise.
3787 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3788 when default cpu is niagara.
3789 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3790 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3791 just like v9/ultrasparc/ultrasparc3.
3792 * doc/invoke.texi: Add documentation for "niagara" and improve
3793 existing documentation for ultrasparc variants.
3795 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3797 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3799 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3801 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3802 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3803 and say that only one is needed.
3804 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3805 * target.h (have_switchable_bss_sections): New hook.
3806 * explow.c (use_anchored_address): Check that the symbol is in a block.
3807 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3808 (bss_noswitch_section): New variables.
3809 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3810 (get_noswitch_section): New function.
3811 (get_block_for_section): Allow SECT to be null.
3812 (unlikely_text_section_p): Use SECTION_STYLE.
3813 (bss_initializer_p): New function.
3814 (get_variable_section): Move earlier in file. Take a new argument,
3815 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3816 Return one of the new *_sections in such cases.
3817 (get_block_for_decl): New function, extracting some logic from
3818 use_blocks_for_decl_p.
3819 (change_symbol_section): Remove in favor of...
3820 (change_symbol_block): ...this new function.
3821 (use_blocks_for_decl_p): Remove checks now performed by
3822 get_block_for_decl.
3823 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3824 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3825 (emit_local, emit_bss, emit_common): ...these new functions.
3826 Return true if the alignment was honored.
3827 (emit_tls_common): New function.
3828 (asm_emit_uninitialised): Delete.
3829 (assemble_variable_noswitch): New function, split out from...
3830 (assemble_variable): ...here. Don't make decisions about common
3831 variables here. Globalize all public decls that go into non-common
3832 sections. Check whether SYMBOL_REF_BLOCK is null.
3833 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3834 (output_constant_pool): Likewise.
3835 (init_varasm_once): Initialize the new section variables.
3836 (have_global_bss_p): New function.
3837 (categorize_decl_for_section): Use bss_initializer_p.
3838 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3839 (place_block_symbol): Assert that the symbol must be in a block.
3840 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3841 (TARGET_INITIALIZER): Include it.
3842 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3843 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3844 (SECTION_MACH_DEP): Bump by two.
3845 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3846 (unnamed_section): Mention SECTION_UNNAMED in comment.
3847 (named_section): Likewise SECTION_NAMED.
3848 (noswitch_section_callback): New type.
3849 (noswitch_section): New structure.
3850 (section): Add a noswitch_section alternative.
3851 (SECTION_STYLE): New macro.
3852 (tls_comm_section, comm_section, lcomm_section): Declare.
3853 (bss_noswitch_section, have_global_bss_p): Declare.
3854 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3855 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3856 Override.
3857 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3858 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3859 Override.
3861 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3863 * gcc/tree-vrp.c (execute_vrp): Return value.
3864 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3865 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3866 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3867 (tree_lower_complex_O0): Ditto.
3868 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3869 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3870 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3871 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3872 (execute_tail_calls): Ditto.
3873 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3874 * gcc/tree.h (init_function_for_compilation): Ditto.
3875 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3876 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3877 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3878 * gcc/final.c (compute_alignments): Ditto.
3879 (rest_of_handle_final): Ditto.
3880 (rest_of_handle_shorten_branches): Ditto.
3881 (rest_of_clean_state): Ditto.
3882 * gcc/omp-low.c (execute_expand_omp): Ditto.
3883 (execute_lower_omp): Ditto.
3884 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3885 * gcc/ipa-reference.c (static_execute): Ditto.
3886 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3887 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3888 (rest_of_handle_machine_reorg): Ditto.
3889 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3890 * gcc/flow.c (recompute_reg_usage): Ditto.
3891 (rest_of_handle_remove_death_notes): Ditto.
3892 (rest_of_handle_life): Ditto.
3893 (rest_of_handle_flow2): Ditto.
3894 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3895 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3896 (do_ssa_store_ccp): Ditto.
3897 (execute_fold_all_builtins): Ditto.
3898 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3899 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3900 * gcc/ipa-pure-const.c (static_execute): Ditto.
3901 * gcc/cse.c (rest_of_handle_cse): Ditto.
3902 (rest_of_handle_cse2): Ditto.
3903 * gcc/web.c (rest_of_handle_web): Ditto.
3904 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3905 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3906 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3907 * gcc/tree-nrv.c (tree_nrv): Ditto.
3908 (execute_return_slot_opt): Ditto.
3909 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3910 (create_structure_vars): Ditto.
3911 * gcc/loop-init.c (rtl_loop_init): Ditto.
3912 (rtl_loop_done): Ditto.
3913 (rtl_move_loop_invariants): Ditto.
3914 (rtl_unswitch): Ditto.
3915 (rtl_unroll_and_peel_loops): Ditto.
3916 (rtl_doloop): Ditto.
3917 * gcc/gimple-low.c (lower_function_body): Ditto.
3918 (mark_used_blocks): Ditto.
3919 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3920 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3921 (cgraph_early_inlining): Ditto.
3922 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3923 * gcc/jump.c (cleanup_barriers): Ditto.
3924 (purge_line_number_notes): Ditto.
3925 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3926 (rest_of_handle_if_after_reload): Ditto.
3927 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3928 (tree_ssa_loop_im): Ditto.
3929 (tree_ssa_loop_unswitch): Ditto.
3930 (tree_vectorize): Ditto.
3931 (tree_linear_transform): Ditto.
3932 (tree_ssa_loop_ivcanon): Ditto.
3933 (tree_ssa_empty_loop): Ditto.
3934 (tree_ssa_loop_bounds): Ditto.
3935 (tree_complete_unroll): Ditto.
3936 (tree_ssa_loop_prefetch): Ditto.
3937 (tree_ssa_loop_ivopts): Ditto.
3938 (tree_ssa_loop_done): Ditto.
3939 * gcc/predict.c (tree_estimate_probability): Ditto.
3940 * gcc/recog.c (split_all_insns_noflow): Ditto.
3941 (rest_of_handle_peephole2): Ditto.
3942 (rest_of_handle_split_all_insns): Ditto.
3943 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3944 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3945 (rest_of_handle_stack_adjustments): Ditto.
3946 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3947 * gcc/function.c (instantiate_virtual_regs): Ditto.
3948 (init_function_for_compilation): Ditto.
3949 (rest_of_handle_check_leaf_regs): Ditto.
3950 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3951 (rest_of_handle_gcse): Ditto.
3952 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3953 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3954 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3955 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3956 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3957 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3958 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3959 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3960 * gcc/except.c (set_nothrow_function_flags): Ditto.
3961 (convert_to_eh_region_ranges): Ditto.
3962 (rest_of_handle_eh): Ditto.
3963 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3964 (remove_unnecessary_notes): Ditto.
3965 * gcc/except.h (set_nothrow_function_flags): Ditto.
3966 (convert_to_eh_region_ranges): Ditto.
3967 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3968 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3969 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3970 (execute_fre): Ditto.
3971 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3972 (rest_of_handle_jump2): Ditto.
3973 * gcc/tree-sra.c (tree_sra): Ditto.
3974 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3975 (execute_mudflap_function_decls): Ditto.
3976 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3977 (do_store_copy_prop): Ditto.
3978 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3979 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3980 * gcc/tree-ssa-forwprop.c
3981 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3982 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3983 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3984 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3985 (execute_late_warn_uninitialized): Ditto.
3986 * gcc/rtl.h (cleanup_barriers): Ditto.
3987 (split_all_insns_noflow): Ditto.
3988 (purge_line_number_notes): Ditto.
3989 (unshare_all_rtl): Ditto.
3990 (remove_unnecessary_notes): Ditto.
3991 (recompute_reg_usage): Ditto.
3992 (variable_tracking_main): Ditto.
3993 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3994 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3995 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3996 (execute_free_cfg_annotations): Ditto.
3997 (execute_fixup_cfg): Ditto.
3998 (execute_cleanup_cfg_pre_ipa): Ditto.
3999 (execute_cleanup_cfg_post_optimizing): Ditto.
4000 (execute_init_datastructures): Ditto.
4001 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4002 * gcc/combine.c (rest_of_handle_combine): Ditto.
4003 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4004 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4005 (rest_of_handle_reorder_blocks): Ditto.
4006 (rest_of_handle_partition_blocks): Ditto.
4007 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4008 * gcc/tree-profile.c (tree_profiling): Ditto.
4009 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4010 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4011 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4012 (rest_of_handle_sched2): Ditto.
4013 * gcc/basic-block.h (free_bb_insn): Ditto.
4014 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4015 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4016 (remove_useless_stmts): Ditto.
4017 (split_critical_edges): Ditto.
4018 (execute_warn_function_return): Ditto.
4019 (execute_warn_function_noreturn): Ditto.
4020 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4021 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4022 * gcc/passes.c (execute_one_pass): Run additional
4023 todos returned by execute function.
4024 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4025 return a value.
4027 2006-03-02 Richard Guenther <rguenther@suse.de>
4029 * tree-ssa-alias.c (find_used_portions): Consider taking
4030 the address as making the variable not write-only.
4032 2006-03-02 Nick Clifton <nickc@redhat.com>
4034 * config.gcc (default_use_cxa_atexit): Extend the description of
4035 this configure variable. Set its default value to "yes" for
4036 Linux, NetBSD and ELF targets on the assumption that they will
4037 use C libraries with the __cxa_atexit function.
4039 2006-03-02 Ben Elliston <bje@au.ibm.com>
4041 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4042 parameter as unused to suppress a build warning.
4044 2006-03-02 Ben Elliston <bje@au.ibm.com>
4046 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4047 config/dfp-bit.c.
4049 2006-03-01 Roger Sayle <roger@eyesopen.com>
4051 PR other/26489
4052 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4053 declared name, the weak reference name, and the typeof name.
4054 (__gthrw): Avoid expanding the declared name suffix.
4055 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4057 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4059 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4060 from DWARF 3.
4061 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4062 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4063 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4064 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4065 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4066 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4067 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4068 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4069 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4070 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4071 (DW_END_default, DW_END_big, DW_END_little): New.
4072 (DW_END_lo_user, DW_END_hi_user): Define.
4073 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4074 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4075 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4076 DW_LANG_D): New.
4078 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4080 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4081 Update all users.
4082 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4083 Update all users.
4084 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4085 Update all users.
4086 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4087 Update all users.
4088 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4089 to 'symbol_mem_tag'.
4090 Update all users.
4091 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4092 rename.
4094 2006-03-01 Roger Sayle <roger@eyesopen.com>
4096 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4098 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4100 PR target/25761
4101 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4102 MACHO_DYNAMIC_NO_PIC_P.
4103 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4105 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4107 PR target/26389
4108 * config/darwin-protos.h (darwin_asm_output_anchor):
4109 Declare.
4110 * config/darwin-sections.def (cstring_section):
4111 Add SECTION_MERGE to the flags.
4112 (literal4_section): Likewise.
4113 (literal8_section): Likewise.
4114 (objc_selector_refs_section): Likewise.
4115 (objc_cls_refs_section): Likewise.
4116 * config/darwin.c (darwin_asm_output_anchor): New
4117 function.
4118 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4120 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4122 Fix PR tree-optimization/26443
4123 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4124 to todo and PROP_tmt_usage to properties_destroyed.
4125 * tree-ssa-ccp.c (pass_ccp): Ditto.
4126 (pass_store_ccp): Ditto.
4127 * tree-ssa-dom.c (pass_dominator): Ditto.
4129 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4131 * tree-ssa-operands.c: Cleanup whitespace.
4132 (get_asm_expr_operands): Move before first invocation.
4133 (get_indirect_ref_operands): Likewise.
4134 (get_tmr_operands): Likewise.
4135 (get_call_expr_operands): Likewise.
4136 (append_def): Likewise.
4137 (append_use): Likewise.
4138 (append_v_may_def): Likewise.
4139 (append_v_must_def): Likewise.
4140 (add_call_clobber_ops): Likewise.
4141 (add_call_read_ops): Likewise.
4142 (add_stmt_operand): Likewise.
4143 (add_virtual_operand): Likewise.
4144 (build_ssa_operands): Likewise.
4146 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4148 PR middle-end/26022
4149 Revert:
4150 PR middle-end/24437
4151 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4152 with a call expr to ...
4153 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4155 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4157 * tree-vrp.c (extract_range_from_assert): Remove special
4158 handling for types with super-types.
4160 2006-03-01 Ben Elliston <bje@au.ibm.com>
4162 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4163 and powerpc64-*-linux* configurations.
4164 * config/t-dfprules: New file.
4166 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4167 Compile dfp-bit.c from the source directory using -DWIDTH and
4168 $DFP_CFLAGS to control the compilation of that file, rather than
4169 generating width-specific versions in the build directory.
4170 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4171 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4173 2006-02-28 Zack Weinberg <zackw@panix.com>
4175 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4176 continues to work.
4178 2006-02-28 Eric Christopher <echristo@apple.com>
4180 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4181 Set up IN_LIBGCC definition of TARGET_64BIT.
4182 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4184 2006-02-28 Roger Sayle <roger@eyesopen.com>
4186 PR middle-end/14752
4187 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4188 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4189 cases via the construction of "expr != 0".
4191 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4193 * alias.c (alias_invariant, alias_invariant_size): Remove.
4194 (record_base_value): Remove.
4195 (memrefs_conflict_p): Don't look at alias_invariant.
4196 (end_alias_analysis): Don't free it.
4197 * alias.h (record_base_value): Remove prototype.
4199 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4200 Adam Nemet <anemet@caviumnetworks.com>
4202 * rtl.h (truncated_to_mode): Declare it.
4203 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4204 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4205 (RTL_HOOKS_INITIALIZER): Include it.
4206 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4207 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4208 reg_truncated_to_mode.
4209 * rtlanal.c (truncated_to_mode): Define it.
4210 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4212 2006-02-28 Jeff Law <law@redhat.com>
4214 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4215 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4216 the range allowed by TYPE_PRECISION.
4218 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4220 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4222 PR tree-optimization/26419
4223 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4224 values of n.
4226 2006-02-27 Zack Weinberg <zackw@panix.com>
4228 * doc/md.texi: Fix typo in previous change.
4230 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4232 * df.c: Remove.
4234 2006-02-27 Zack Weinberg <zackw@panix.com>
4236 * rtl.def (define_constraint, define_register_constraint)
4237 (define_memory_constraint, define_address_constraint): New MD forms.
4238 * gensupport.c (process_rtx): Put define_constraint etc on the
4239 predicate queue.
4240 * genpreds.c (process_define_predicate): Adjust comment. Validate
4241 the name, and call validate_exp to validate the expression.
4242 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4243 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4244 all callers changed.
4245 (validate_exp, needs_variable, struct constraint_data)
4246 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4247 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4248 (const_dbl_constraints, constraint_max_namelen)
4249 (have_register_constraints, have_memory_constraints)
4250 (have_address_constraints, have_address_constraints)
4251 (have_extra_constraints, have_const_int_constraints)
4252 (have_const_dbl_constraints, mangle, add_constraint)
4253 (process_define_constraint, process_define_register_constraint)
4254 (write_enum_constraint_num, write_lookup_constraint)
4255 (write_insn_constraint_len, write_regclass_for_constraint)
4256 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4257 (write_insn_extra_memory_constraint)
4258 (write_insn_extra_address_constraint)
4259 (write_satisfies_constraint_fns): New.
4260 (write_tm_preds_h): If we have new-style constraint definitions,
4261 prototype the functions generated from them, and define the
4262 old constraint interface (still used by generic code) in terms of
4263 those functions.
4264 (write_insn_preds_c): If we have new-style constraint definitions,
4265 generate all relevant functions from those definitions.
4266 (main): Handle define_constraint etc.
4267 * genoutput.c (struct constraint_data, indep_constraints)
4268 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4269 (mdep_constraint_len): New data structures and functions, defined
4270 #ifdef USE_MD_CONSTRAINTS.
4271 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4272 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4273 use new logic to validate operand constraints against constraint
4274 definitions.
4275 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4276 defined.
4277 * defaults.h: If none of the old-style constraint macros are
4278 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4279 old-style macros; and poison REG_CLASS_FROM_LETTER,
4280 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4281 EXTRA_CONSTRAINT.
4282 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4283 * doc/md.texi: Document new constraint-definition mechanism and the
4284 C interface it provides. Remove references to old mechanism
4285 elsewhere in the document.
4286 (Machine Constraints): Use pathnames relative to gcc directory,
4287 i.e. config/ARCH/FILE. Change i386 section to refer to
4288 config/i386/predicates.md; update that section to match docstrings.
4289 * doc/tm.texi: Move all documentation of the old constraint-
4290 definition macros to their own section, clearly mark as obsolete.
4292 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4293 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4294 definitions.
4295 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4296 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4297 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4298 constraint strings.
4299 (splits and peepholes): Use satisfies_constraint_*.
4300 * config/i386/i386.c (memory_address_length)
4301 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4303 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4305 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4306 scalar operation to be put back into the loop.
4308 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4310 PR other/26208
4311 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4312 (extract_cie_info): Handle S flag in augmentation string.
4313 (execute_cfa_program): If context->signal_frame, execute also
4314 fs->pc == context->ra instructions.
4315 (uw_frame_state_for): If context->signal_frame, don't subtract one
4316 from context->ra to find FDE.
4317 (uw_update_context_1): Set context->signal_frame to
4318 fs->signal_frame.
4319 (_Unwind_GetIPInfo): New function.
4320 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4321 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4322 of _Unwind_GetIP.
4323 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4324 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4325 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4326 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4327 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4328 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4329 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4330 x86_64_fallback_frame_state): Set fs->signal_frame.
4331 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4332 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4333 (frob_update_context): Likewise. Workaround missing S flag in
4334 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4335 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4336 Remove the psw_addr + 1 hack.
4338 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4340 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4341 with aggregates here.
4342 (find_func_aliases): Remove code for &<aggregate> from here.
4344 2006-02-26 Roger Sayle <roger@eyesopen.com>
4346 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4347 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4348 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4349 as (X & C) ne/eq 0.
4351 2006-02-26 Roger Sayle <roger@eyesopen.com>
4353 PR middle-end/19983
4354 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4356 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4358 * opts.c (decode_options): Do not handle flag_strength_reduce.
4359 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4360 and OPT_fstrength_reduce.
4361 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4362 flag_prefetch_loop_arrays for being nonzero.
4363 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4364 no-ops.
4365 (fprefetch-loop-arrays-rtl): Removed.
4366 (flag_prefetch_loop_arrays): Do not specify the value.
4368 * doc/passes.texi: Update documentation of loop optimizer
4369 passes.
4370 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4371 -frerun-loop-opt): Remove.
4373 2006-02-26 Richard Guenther <rguenther@suse.de>
4375 PR tree-optimization/26421
4376 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4377 in function calls that are ADDR_EXPRs as using the whole structure.
4379 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4381 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4382 * tree-pass.h (pass_loop_optimize): Remove.
4383 * passes.c (pass_loop_optimize): Never run it.
4384 * toplev.c (backend_init): Don't call init_loop.
4385 * opts.c (flag_loop_optimize_set): Remove.
4386 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4387 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4388 the old RTL loop optimizer when profiling enabled.
4389 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4390 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4391 pre-headers for the sake of the old RTL loop optimizer.
4392 * Makefile.in: Remove all references to loop.o.
4394 * doc/invoke.texi: Remove all references to -floop-optimize
4395 and -frerun-loop-opt.
4397 2006-02-26 Zack Weinberg <zackw@panix.com>
4399 * doc/md.texi (Machine Constraints): Refer to all files with paths
4400 relative to gcc directory (i.e. config/CPU/file). Add missing
4401 @table @code ... @end table to M32C subsection.
4403 2006-02-26 Roger Sayle <roger@eyesopen.com>
4405 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4406 (X & 1) == 0.
4407 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4409 2006-02-26 Roger Sayle <roger@eyesopen.com>
4410 James A. Morrison <phython@gcc.gnu.org>
4412 PR middle-end/21137
4413 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4414 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4415 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4416 signedness of the shift operation.
4418 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4420 PR tree-optimization/26359
4421 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4423 2006-02-25 Roger Sayle <roger@eyesopen.com>
4425 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4426 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4427 as X == 0, and some symmetry related transformations.
4428 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4430 2006-02-25 Roger Sayle <roger@eyesopen.com>
4432 PR middle-end/23673
4433 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4434 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4435 symmetry related transformations. Fold (X^C1) == C2 as
4436 X == (C1^C2).
4438 2006-02-25 Juergen Weigert <jw@suse.de>
4439 Richard Guenther <rguenther@suse.de>
4441 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4443 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4445 * combine.c (gen_lowpart_or_truncate): Call
4446 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4448 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4450 * doc/invoke.texi: Move -fopenmp description to "Options for
4451 Code Generation".
4452 Remove reference to -lgomp.
4454 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4456 * doc/install.texi: Require GNU tar version 1.14.
4458 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4460 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4461 * doc/invoke.texi (C++ Dialect Options): Document
4462 -fno-use-cxa-get-exception-ptr.
4463 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4464 * configure: Regenerate.
4465 * c.opt (fuse-cxa-get-exception-ptr): New.
4466 * c-opts.c (c_common_handle_option): Handle
4467 OPT_fuse_cxa_get_exception_ptr.
4468 * c-common.c (flag_use_cxa_atexit): Update documentation.
4469 (flag_use_cxa_get_exception_ptr): New.
4470 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4471 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4472 documentation.
4473 (C_COMMON_OVERRIDE_OPTIONS): New.
4475 2006-02-24 Roger Sayle <roger@eyesopen.com>
4477 PR middle-end/24952
4478 * combine.c (try_combine): Explicitly check whether GET_CODE is
4479 a SET or a CLOBBER, instead on checking that it isn't a USE.
4481 2006-02-24 Roger Sayle <roger@eyesopen.com>
4483 * fold-const.c (fold_comparison): New subroutine of fold_binary
4484 containing transformations common to both the equality and
4485 ordering relational operators, factored out of fold_binary.
4486 (fold_binary): Separate out the equality operators (EQ_EXPR
4487 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4488 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4489 transformations common to both.
4490 (fold_div_compare): Fix latent bugs in the previously unreachable
4491 LT_EXPR and GE_EXPR cases.
4493 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4495 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4496 decl libname for clog to __clog on AIX.
4498 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4500 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4502 PR target/26453
4503 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4504 output traceback table for thunks. Localise rs6000_stack_info call.
4506 2006-02-23 Roger Sayle <roger@eyesopen.com>
4507 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4509 * gthr-posix.h (__gthrw): Fix typo in comment.
4511 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4513 * doc/cpp.texi (Character sets): Document that we do support
4514 input files to be in any character set.
4516 2006-02-23 Jeff Law <law@redhat.com>
4518 * tree.h (PHI_ARG_NONZERO): Remove.
4519 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4520 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4521 node to the new node.
4523 PR tree-optimization/26425
4524 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4525 min/max, then assume its varying.
4527 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4529 PR rtl-optimization/26316
4530 * rtlanal.c (enum may_trap_p_flags): New.
4531 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4532 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4533 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4534 (may_trap_after_code_motion_p): New function.
4535 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4536 (find_invariant_insn): Use may_trap_after_code_motion_p.
4537 * rtl.h (may_trap_after_code_motion_p): Declare.
4539 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4541 * emit-rtl.c (immed_double_const): Cleanup.
4543 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4545 Fix PR tree-optimization/26376
4546 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4547 remove assert.
4549 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4551 PR middle-end/26412
4552 * gimplify.c (omp_add_variable): Guard variable size decl test with
4553 DECL_SIZE (decl) check.
4555 2006-02-23 Richard Guenther <rguenther@suse.de>
4557 PR middle-end/26439
4558 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4559 like aggregate types.
4561 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4563 * configure.ac: Add --with{,out}-long-double-128 configure option.
4564 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4565 * configure: Rebuilt.
4566 * config.in: Rebuilt.
4567 * doc/install.texi (Options specification): Document
4568 --with-long-double-128.
4570 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4571 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4572 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4573 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4575 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4577 * config/s390/s390.c (override_options): Handle
4578 TARGET_DEFAULT_LONG_DOUBLE_128.
4580 * config/alpha/alpha.c (override_options): Handle
4581 TARGET_DEFAULT_LONG_DOUBLE_128.
4583 * config/sparc/sparc.c (sparc_override_options): Handle
4584 TARGET_DEFAULT_LONG_DOUBLE_128.
4586 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4588 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4589 (real-install-headers-tar, real-install-headers-cpio)
4590 (real-install-headers-cp): New targets.
4592 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4594 * tree.h (variable_section): Delete.
4595 * varasm.c (variable_section): Delete.
4597 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4599 * install.texi: Add notes on install.texi2html.
4600 (Building in parallel): Do not use footnotes.
4602 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4604 PR libgomp/26234
4605 * doc/install.texi (Configuration): Document --disable-libgomp.
4607 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4609 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4611 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4613 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4614 (vec_extractv2df_0_sse): New.
4616 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4618 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4619 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4620 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4621 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4622 to the result of the expression.
4623 (def_cfa_1): Adjust.
4624 (frame_pointer_cfa_offset): Rename to...
4625 (frame_pointer_fb_offset): ... this. Adjust all uses.
4626 (convert_cfa_to_loc_list): Rename to...
4627 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4628 Pass it on to build_cfa_loc.
4629 (compute_frame_pointer_to_cfa_displacement): Rename to...
4630 (compute_frame_pointer_to_fb_displacement): ... this. New
4631 offset parameter. Use it in computation.
4632 (gen_subprogram_die): Compute cfa_fb_offset with the new
4633 macro, and use it to compute the fb loc list and the
4634 displacement.
4636 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4638 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4639 replaced with register_operand.
4640 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4641 non-DREG is expensive.
4642 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4643 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4644 involving memory.
4646 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4648 * doc/install.texi2html: Use set -e.
4650 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4652 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4653 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4654 * doc/invoke.texi (-fshared-data): Delete.
4655 * common.opt (fshared-data): Delete.
4656 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4657 (assemble_static_space): Remove #if 0 code.
4658 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4659 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4660 * config/cris/cris.h: Remove FIXME.
4662 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4664 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4665 hooks.
4667 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4669 PR middle-end/26379
4670 * combine.c (simplify_shift_const_1): Disable nested shifts
4671 optimization for vector shifts.
4673 2006-02-20 Roger Sayle <roger@eyesopen.com>
4675 PR tree-optimization/26361
4676 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4677 of unsigned integer types.
4679 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4681 * tree-chrec.c (eq_evolutions_p): New.
4682 * tree-chrec.h (eq_evolutions_p): Declared.
4683 * tree-data-ref.c: Fix formatting.
4684 (datadep_stats, dependence_stats): New.
4685 (gcd): Moved...
4686 (print_direction_vector): New.
4687 (dump_data_dependence_relation): Use print_direction_vector.
4688 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4689 (compute_subscript_distance): Static.
4690 (initialize_data_dependence_relation): Static. Get the number
4691 of loops surrounding the references from the callers, and initialize
4692 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4693 base_object_differ_p analyzers.
4694 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4695 compute_overlap_steps_for_affine_1_2,
4696 analyze_subscript_affine_affine): Count the classified dependences.
4697 Print a message when a test failed.
4698 (can_use_analyze_subscript_affine_affine): New.
4699 (analyze_siv_subscript): Compute the data dependences on symbolic
4700 scevs that verify can_use_analyze_subscript_affine_affine.
4701 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4702 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4703 Handle symbolic scevs.
4704 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4705 analyzed.
4706 (subscript_dependence_tester): Moved...
4707 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4708 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4709 DDR_SIZE_VECT instead of getting it in parameter.
4710 (subscript_dependence_tester): ... here. Take as a parameter
4711 loop_nest_depth. Call build_classic_dist_vector and
4712 build_classic_dir_vector.
4713 (compute_affine_dependence): Update subscript_dependence_tester
4714 parameters. Update datadep_stats counters. Call
4715 compute_subscript_distance.
4716 (compute_self_dependence): Save the dist and dir vectors. Call
4717 compute_subscript_distance.
4718 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4719 (compute_all_dependences): Reorder parameters as they were before
4720 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4721 compute_subscript_distance. Update the use of
4722 compute_affine_dependence and initialize_data_dependence_relation.
4723 (find_data_references_in_loop): Handle COMPONENT_REF.
4724 (compute_data_dependences_for_loop): Initialize dependence_stats.
4725 Don't call build_classic_dist_vector and build_classic_dir_vector.
4726 Update the parameters of initialize_data_dependence_relation and
4727 compute_all_dependences. Print the statistics from datadep_stats.
4728 (analyze_all_data_dependences): Static. Not used until the pass for
4729 checking the data dependences is contributed.
4730 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4731 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4732 (initialize_data_dependence_relation, compute_affine_dependence,
4733 analyze_all_data_dependences, compute_subscript_distance): Removed.
4734 (print_direction_vector): New.
4735 * lambda.h (gcd): ... here.
4736 (lambda_vector_gcd): Moved here from gcd_vector.
4737 * lambda-code.c (gcd, gcd_vector): Removed.
4738 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4739 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4741 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4743 * ipa-type-escape.c: Tidy some comments and white space.
4744 * tree-ssa-operands.c: Likewise.
4746 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4748 PR tree-opt/25879
4749 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4750 (dump_decl_name): Do not walk the decl tree chains.
4751 * tree-pass.h (TDF_CHAIN): Remove.
4753 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4755 * Makefile.in (C): Remove
4756 (PROTO): Remove
4757 (.PHONY): Remove C and PROTO
4759 2006-02-20 Roger Sayle <roger@eyesopen.com>
4761 PR middle-end/26236
4762 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4763 deprecated CHAR_TYPE tree code.
4765 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4767 * configure.ac (target_list): Add install-info, dvi, html.
4768 * configure: Regenerate.
4770 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4771 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4772 treelang/Make-lang.in: Do not use double-colon rules.
4774 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4776 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4777 (TMT_USED_ALONE): New macro.
4778 * tree-pass.h (PROP_tmt_usage): New property.
4779 (TODO_update_tmt_usage): New todo.
4780 * tree-ssa-alias.c (updating_used_alone): New variable.
4781 (recalculate_used_alone): New function.
4782 (compute_may_aliases): Set updating_used_alone, call
4783 recalculate_used_alone.
4784 * tree-sra.c (pass_sra): Note that this pass destroys
4785 PROP_tmt_usage, and add TODO_update_tmt_usage.
4786 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4787 * tree-flow.h (updating_used_alone): Prototype.
4788 (recalculate_used_alone): Ditto.
4789 * passes.c (execute_todo): Add code to set updating_used_alone,
4790 and call recalculate.
4791 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4792 for clobber if used alone, and add assert to verify used_alone
4793 status.
4795 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4797 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4798 for non tls symbols added.
4799 (legitimize_address): Do nothing for PLUS expressions if one of the
4800 addends is a tls symbol reference.
4802 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4804 PR bootstrap/25476
4806 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4808 * Makefile.in (BOOTSTRAPPING): New.
4809 (quickstrap): New definition if BOOTSTRAPPING=yes.
4811 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4812 * configure.ac: Substitute all_selected_languages with the languages
4813 that were configured. For all the other variables except
4814 lang_specs_files, include all the languages in the tree.
4815 * configure: Regenerate.
4817 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4818 if there is one. Run the commands to run fixincludes in the same
4819 subshell.
4821 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4822 * doc/install.texi: Document exact conventions for searching target tools.
4823 Document --with-build-time-tools. Document toplevel bootstrap. Document
4824 something more about building an Ada cross-compiler. Don't list GNU Make
4825 requirements which affect all platforms.
4827 2006-02-19 Roger Sayle <roger@eyesopen.com>
4829 PR middle-end/19543
4830 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4831 only equivalent if the have both the same mode and precision.
4833 2006-02-20 Ben Elliston <bje@au.ibm.com>
4835 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4837 2006-02-19 Roger Sayle <roger@eyesopen.com>
4838 Steven Bosscher <stevenb.gcc@gmail.com>
4840 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4841 constant pool references to identify stack mode constants.
4842 * rtlanal.c (constant_pool_constant_p): New predicate to check
4843 whether operand is a floating point constant in the pool.
4844 * rtl.h (constant_pool_constant_p): Prototype here.
4845 * loop.c (scan_loop): Avoid hoisting constants from the constant
4846 pool on STACK_REGS targets.
4847 (load_mems): Likewise.
4848 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4849 loads into x87 registers expensive in terms of register pressure.
4851 2006-02-19 Roger Sayle <roger@eyesopen.com>
4853 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4854 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4856 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4858 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4859 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4861 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4863 * doc/invoke.texi: Document -fipa-pta.
4864 * common.opt: Add ipa-pta option.
4865 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4866 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4867 (do_ds_constraint): Ditto.
4868 (get_constraint_for): Only add to referenced_vars if
4869 referenced_vars exists.
4870 (insert_into_field_list): Rewrite to do this unsorted.
4871 (insert_into_field_list_sorted): Rename old insert_into_field_list
4872 to this.
4873 (create_function_info_for): Use insert_into_field_list_sorted.
4874 (create_variable_info_for): Rewrite so it uses unsorted version,
4875 since the field list is sorted.
4876 (intra_create_variable_infos): Only add to referenced_vars if
4877 referenced_vars exists.
4878 (ipa_pta_execute): Init heapvars, and delete when done.
4879 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4881 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4883 * doc/install.texi: Add missing `@samp'.
4885 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4887 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4888 Use the arguments.
4890 2006-02-18 Mark Wielaard <mark@klomp.org>
4892 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4893 who added new 4.1 features, bug fixes and integration support.
4895 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4897 PR target/26350
4898 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4899 MEM for ABI_V4 pic.
4901 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4903 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4904 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4905 (copy_insn_1): Likewise. Don't copy each field individually.
4906 Reindent.
4907 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4908 of RTX_SIZE.
4909 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4910 * rtl.c (rtx_size): Rename variable to...
4911 (rtx_code_size): ...this.
4912 (rtx_size): New function.
4913 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4914 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4915 Reindent.
4916 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4917 * rtl.h (rtx_code_size): New variable.
4918 (rtx_size): Change from a variable to a function.
4919 (RTX_SIZE): Rename to...
4920 (RTX_CODE_SIZE): ...this.
4922 PR target/9703
4923 PR tree-optimization/17106
4924 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4925 (Anchored Addresses): New section.
4926 * doc/invoke.texi (-fsection-anchors): Document.
4927 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4928 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4929 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4930 * hooks.c (hook_bool_mode_rtx_false): New function.
4931 * hooks.h (hook_bool_mode_rtx_false): Declare.
4932 * gengtype.c (create_optional_field): New function.
4933 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4934 SYMBOL_REF_IN_BLOCK_P is true.
4935 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4936 (min_anchor_offset, max_anchor_offset): Likewise.
4937 (use_anchors_for_symbol_p): New hook.
4938 * toplev.c (compile_file): Call output_object_blocks.
4939 (target_supports_section_anchors_p): New function.
4940 (process_options): Check that -fsection-anchors is only used on
4941 targets that support it and when -funit-at-a-time is in effect.
4942 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4943 if the decl doesn't have one.
4944 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4945 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4946 of force_const_mem through use_anchored_address.
4947 (expand_expr_constant): New function.
4948 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4949 calling expand_expr for INDIRECT_REF.
4950 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4951 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4952 * expr.h (use_anchored_address): Declare.
4953 * loop-unroll.c: Don't declare rtx vectors here.
4954 * explow.c: Include output.h.
4955 (validize_mem): Call use_anchored_address.
4956 (use_anchored_address): New function.
4957 * common.opt (-fsection-anchors): New switch.
4958 * varasm.c (object_block_htab, anchor_labelno): New variables.
4959 (hash_section, object_block_entry_eq, object_block_entry_hash)
4960 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4961 (use_blocks_for_decl_p, change_symbol_section): New functions.
4962 (get_variable_section): New function, split out from assemble_variable.
4963 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4964 use_blocks_for_decl_p say so. Use change_symbol_section if the
4965 symbol has already been created.
4966 (assemble_variable_contents): New function, split out from...
4967 (assemble_variable): ...here. Don't output any code for
4968 block symbols; just pass them to place_block_symbol.
4969 Use get_variable_section and assemble_variable_contents.
4970 (get_constant_alignment, get_constant_section, get_constant_size): New
4971 functions, split from output_constant_def_contents.
4972 (build_constant_desc): Create a block symbol if use_object_blocks_p
4973 says so. Or into SYMBOL_REF_FLAGS.
4974 (assemble_constant_contents): New function, split from...
4975 (output_constant_def_contents): ...here. Don't output any code
4976 for block symbols; just pass them to place_section_symbol.
4977 Use get_constant_section and get_constant_alignment.
4978 (force_const_mem): Create a block symbol if use_object_blocks_p and
4979 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4980 (output_constant_pool_1): Add an explicit alignment argument.
4981 Don't switch sections here.
4982 (output_constant_pool): Adjust call to output_constant_pool_1.
4983 Switch sections here instead. Don't output anything for block symbols;
4984 just pass them to place_block_symbol.
4985 (init_varasm_once): Initialize object_block_htab.
4986 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4987 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4988 (place_block_symbol, get_section_anchor, output_object_block)
4989 (output_object_block_htab, output_object_blocks): New functions.
4990 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4991 (TARGET_ASM_OUT): Include it.
4992 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4993 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4994 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4995 (TARGET_INITIALIZER): Include them.
4996 * rtl.c (rtl_check_failed_block_symbol): New function.
4997 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4998 (block_symbol, object_block): New structures.
4999 (rtx_def): Add a block_symbol field to the union.
5000 (BLOCK_SYMBOL_CHECK): New macro.
5001 (rtl_check_failed_block_symbol): Declare.
5002 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5003 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5004 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5005 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5006 * output.h (output_section_symbols): Declare.
5007 (object_block): Name structure.
5008 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5009 (default_use_anchors_for_symbol_p): Declare.
5010 * Makefile.in (RTL_BASE_H): Add vec.h.
5011 (explow.o): Depend on output.h.
5012 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5013 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5014 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5015 (rs6000_use_blocks_for_constant_p): New function.
5017 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5019 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5021 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5023 PR tree-opt/25680
5024 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5025 IMAGPART_EXPR.
5027 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5029 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5030 is_aliased.
5031 Update all users.
5033 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5035 PR middle-end/26334
5036 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5037 instead of DECL_REGISTER.
5039 2006-02-18 Olivier Hainque <hainque@adacore.com>
5041 PR ada/13408
5042 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5044 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5046 PR target/24837
5047 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5048 * opth-gen.awk: Handle Var and InverseMask together.
5049 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5050 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5051 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5052 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5053 used together.
5054 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5055 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5056 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5057 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5058 LINUX_DYNAMIC_LINKER): Define.
5059 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5060 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5061 TARGET_GLIBC.
5062 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5063 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5064 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5065 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5066 (TARGET_C99_FUNCTIONS): Don't define.
5067 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5068 GLIBC_DYNAMIC_LINKER.
5069 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5070 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5071 GLIBC_DYNAMIC_LINKER64): Define.
5072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5073 LINUX_DYNAMIC_LINKER64.
5074 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5075 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5076 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5077 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5078 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5080 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5081 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5082 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5084 and LINUX_DYNAMIC_LINKER32.
5085 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5087 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5088 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5089 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5090 TARGET_GLIBC.
5091 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5092 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5093 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5094 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5095 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5096 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5097 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5098 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5099 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5100 LINUX_DYNAMIC_LINKER): Define.
5101 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5102 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5103 GLIBC_DYNAMIC_LINKER64): Define.
5104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5105 LINUX_DYNAMIC_LINKER64.
5106 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5107 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5108 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5109 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5110 LINUX_DYNAMIC_LINKER): Define.
5111 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5112 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5113 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5114 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5115 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5116 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5117 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5118 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5119 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5120 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5121 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5122 * doc/invoke.texi (-muclibc): Remove caveat about supported
5123 targets.
5125 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5127 * doc/cpp.texi (__TIMESTAMP__): Document.
5129 2006-02-17 Roger Sayle <roger@eyesopen.com>
5131 PR middle-end/25600
5132 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5133 C is one less than the width of X (and related transformations).
5134 * simplify-rtx.c (simplify_unary_operation_1): Transform
5135 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5136 depending on STORE_FLAG_VALUE, were C is one less then the
5137 width of X.
5139 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5141 Fix PR tree-optimization/26341
5142 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5143 about NAME_MEMORY_TAG's.
5145 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5147 PR target/26255
5148 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5149 with hardware float support, and software float support. Add fcpy
5150 alternative to hardware patterns. Add alternatives to copy between
5151 general and floating-point registers to the 32-bit pattern.
5152 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5153 secondary reload to load a QI or HI mode constant into a floating
5154 point register.
5155 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5156 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5158 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5160 PR target/26272
5161 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5162 pc to the pattern.
5163 (load_macho_picbase_di): Likewise.
5165 2006-02-16 Jeff Law <law@redhat.com>
5167 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5168 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5169 (ssa_name_nonzero_p): Likewise.
5170 (get_value_range): Return NULL if VRP is not running.
5171 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5172 VRP routines do not discover a range.
5173 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5174 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5175 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5176 (tree_expr_nonnegative_p): Similarly.
5177 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5178 (restore_nonzero_vars_to_original_value): Remove.
5179 (unsafe_associative_fp_binop): Remove.
5180 (tree_ssa_dominator_optimize): Remove initialization and
5181 finalization of nonzero_vars and nonzero_vars_stack.
5182 (dom_opt_initialize_block): No longer push marker on
5183 nonzero_vars_stack.
5184 (dom_opt_finalize_block): No longer call
5185 restore_nonzero_vars_to_original_value.
5186 (record_equivalences_from_phis): No longer look for
5187 nonzero PHI arguments.
5188 (cprop_into_successor_phis): No longer propagate nonzero
5189 property into PHI arguments. Lose unused argument. Caller
5190 updated.
5191 (record_equivalences_from_stmt): No longer record nonzero
5192 values for SSA_NAMEs.
5193 (lookup_avail_expr): No longer use nonzero_vars.
5195 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5196 for sizetype when sizetype is unsigned.
5198 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5200 PR rtl-optimization/25603
5201 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5202 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5203 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5204 with new meaning of SETS.
5206 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5208 PR target/20353
5209 PR target/24578
5210 PR target/24837
5211 * config/linux.opt: New file.
5212 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5213 LINUX_DYNAMIC_LINKER): Define.
5214 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5215 * config.gcc (*-*-linux*): Define extra_options.
5216 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5217 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5218 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5219 GLIBC_DYNAMIC_LINKER.
5220 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5221 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5222 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5224 * doc/invoke.texi (GNU/Linux Options): New section.
5226 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5228 * config/sparc/sparc.md (setjmp): Rewrite.
5229 (setjmp_32): Delete.
5230 (setjmp_64): Likewise.
5232 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5234 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5235 previous change.
5237 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5239 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5240 read-write uses.
5242 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5244 PR rtl-optimization/26296
5245 * Makefile.in (loop-invariant.c): Add except.h dependency.
5246 * loop-invariant.c: Include except.h.
5247 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5249 2005-02-16 Paul Brook <paul@codesourcery.com>
5251 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5252 for reloads.
5254 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5256 PR rtl-optimization/25636
5257 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5258 when deciding whether an insn is an initializing insn.
5260 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5262 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5263 (tree_code_size): Ditto.
5264 * tree.h (struct tree_memory_tag): Remove parent_var.
5265 (struct tree_struct_field_tag): New.
5266 (SFT_OFFSET): New.
5267 (SFT_SIZE): New.
5268 (union tree_node): Add sft member.
5269 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5270 specially here.
5271 (create_sft): Add size and offset argument, set SFT_OFFSET and
5272 SFT_SIZE.
5273 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5274 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5275 * tree-flow-inline.h (get_subvar_at): Update for
5276 SFT_OFFSET/SFT_SIZE.
5277 (var_can_have_subvars): Ditto.
5278 (overlap_subvar): Ditto.
5279 * print-tree.c (print_node): Print out interesting things for
5280 SFT's.
5281 * tree-flow.h (struct subvar): Remove offset and size members.
5282 * tree-ssa-operands.c (get_expr_operands): Update for
5283 get_indirect_ref_operands changes.
5284 (get_indirect_ref_operands): Call add_virtual_operand instead of
5285 add_stmt_operand. Only recurse on base var if requested.
5286 (access_can_touch_variable): New function.
5287 (add_stmt_operand): Split virtual operand handling into ...
5288 (add_virtual_operand): Here. Add offset, size, and for_clobber
5289 arguments. Prune alias sets.
5290 (add_call_clobber_ops): Call add_virtual_operand.
5292 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5294 PR middle-end/26300
5295 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5297 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5298 than TREE_CODE as index into omp_clause_num_ops array.
5300 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5302 PR rtl-optimization/26184
5303 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5304 uses_of_defs.
5305 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5306 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5307 must_precede, must_follow and tobe_scheduled.
5309 PR other/26147
5310 * opts.c (common_handle_option): Free new_option pointer.
5311 * df-core.c (df_analyze): Free postorder pointer.
5313 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5315 * Makefile.in: Fix the examples about the use of stamps
5317 2006-02-15 Michael Matz <matz@suse.de>
5319 PR middle-end/22275
5321 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5322 influenced by maximum_field_alignment or DECL_PACKED.
5323 (update_alignment_for_field): Ditto.
5324 (place_field): Ditto.
5325 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5326 this behaviour.
5328 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5330 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5331 (debug_flow_info): Pass it.
5332 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5333 * bb-reorder.c (reorder_basic_blocks): Likewise.
5334 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5335 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5336 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5337 * gcse.c (gcse_main, bypass_jumps): Likewise.
5338 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5339 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5340 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5341 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5342 * rtl.h (dump_flow_info): Adjust prototype.
5343 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5344 * var-tracking.c (variable_tracking_main): Likewise.
5345 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5346 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5347 options.
5349 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5351 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5352 construction.
5354 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5356 PR tree-optimization/26209
5357 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5358 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5359 eh edges.
5360 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5362 2006-02-14 Roger Sayle <roger@eyesopen.com>
5364 PR middle-end/23670
5365 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5366 (X,Y) and the corresponding symmetry related transformations.
5367 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5368 (X,Y) and its symmetry related transformations.
5370 2006-02-14 Roger Sayle <roger@eyesopen.com>
5372 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5373 and GEU.
5375 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5377 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5379 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5381 PR bootstrap/26053
5382 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5383 support COMDAT group.
5384 * configure: Regenerate.
5386 2006-02-14 Roger Sayle <roger@eyesopen.com>
5388 PR middle-end/26279
5389 PR middle-end/26280
5390 PR middle-end/26283
5391 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5393 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5395 Fix PR tree-optimization/26260
5397 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5398 param.
5399 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5400 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5401 * tree-ssa-structalias.c (create_variable_info_for): Use
5402 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5404 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5406 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5407 Document.
5408 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5409 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5410 of the ending condition.
5411 * tree-ssa-loop-manip.c: Include params.h.
5412 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5413 tree_unroll_loop): New functions.
5414 * tree-pass.h (pass_loop_prefetch): Declare.
5415 * loop.c (rest_of_handle_loop_optimize): Test for
5416 -fprefetch-loop-arrays-rtl.
5417 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5418 * timevar.def (TV_TREE_PREFETCH): New timevar.
5419 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5420 pass_loop_prefetch): New.
5421 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5422 (cleanup_tree_cfg_loop): Call scev_reset.
5423 * common.opt (fprefetch-loop-arrays-rtl): Add.
5424 * tree-ssa-loop-prefetch.c: New file.
5425 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5426 (new_temp_expr_table): Initialize expr_vars.
5427 (free_temp_expr_table): Cleanup expr_vars.
5428 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5429 expressions from being merged into one.
5430 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5431 (struct tree_niter_desc): Add control, bound and cmp fields.
5432 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5433 Declare.
5434 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5435 (tree-cfgcleanup.o): Add SCEV_H dependency.
5436 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5437 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5439 2006-02-14 Richard Guenther <rguenther@suse.de>
5441 PR tree-optimization/26258
5442 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5443 in PHI argument processing.
5445 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5447 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5448 new expression in the requested machine mode.
5450 2006-02-13 Roger Sayle <roger@eyesopen.com>
5452 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5453 directly, instead let do_compare_rtx_and_jump handle this for us.
5454 * expr.c (expand_expr_real_1): Likewise.
5455 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5456 before do_jump_by_parts_greater.
5457 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5458 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5460 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5462 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5464 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5466 PR rtl-optimization/26235
5467 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5468 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5469 format.
5471 2006-02-13 Jeff Law <law@redhat.com>
5473 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5474 TRUTH_XOR_EPR.
5476 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5478 PR middle-end/26092
5479 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5480 twice if decl is a builtin. When trying again, call get_callee_fndecl
5481 first to verify it is still a builtin.
5483 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5485 * dwarf2out.c (base_type_die): Don't add AT_name here.
5486 (subrange_type_die): Don't add AT_name here.
5487 (modified_type_die): Rearrange code flow. Do add AT_name here.
5489 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5491 PR rtl-optimization/26247
5492 PR rtl-optimization/26248
5493 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5495 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5497 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5498 * config/fixtfdi.c: Likewise.
5499 * config/fixunstfdi.c: Likewise.
5500 * config/floatditf.c: Likewise.
5502 2006-02-13 Roger Sayle <roger@eyesopen.com>
5504 PR middle-end/24427
5505 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5506 into (X,C2) if C1 is a subset of the bits of C2. Transform
5507 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5508 (X&(C1&~C2))|C2.
5509 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5511 2006-02-13 Josh Conner <jconner@apple.com>
5513 PR target/25376
5514 * varasm.c (function_section): Check for section name before
5515 calling select_section on targets that define
5516 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5517 unlikely_text_section instead of hot_function_section if
5518 first_function_block_is_cold.
5520 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5522 PR middle-end/25335
5523 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5525 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5527 PR rtl-optimization/26222
5528 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5529 after tree->rtl expansion.
5530 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5531 before passing it to emit_move_insn.
5533 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5535 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5536 default.
5537 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5538 Clarify documentation.
5539 * c-common.h (warn_write_strings): Remove.
5540 * c-common.c (warn_write_strings): Likewise.
5541 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5542 default for C++.
5544 2006-02-12 Roger Sayle <roger@eyesopen.com>
5546 PR middle-end/25724
5547 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5548 (do_jump_parts_zero_rtx): New function renamed from
5549 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5550 (do_jump_parts_equality_rtx): New function split out from
5551 do_jump_parts_equality. Old implementation renamed as above.
5552 Call do_jump_parts_zero_rtx if either operand is zero.
5553 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5554 do all of the heavy lifting.
5555 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5556 calling either do_jump_by_parts_greater_rtx or
5557 do_jump_by_parts_equality_rtx.
5558 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5559 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5560 moved to do_compare_rtx_and_jump, call it directly.
5561 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5562 mode argument. Call do_compare_rtx_and_jump.
5563 (emit_case_nodes): Update calls to do_jump_if_equal.
5565 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5567 PR rtl-optimization/26225
5568 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5570 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5572 PR rtl-optimization/26232
5573 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5575 2006-02-11 Jason Merrill <jason@redhat.com>
5577 PR tree-opt/24365
5578 * tree-inline.c (declare_return_variable): Just don't use the
5579 modify target if it's a gimple complex reg and the return slot
5580 isn't.
5582 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5584 * doc/contrib.texi: Update my entry.
5586 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5588 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5590 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5592 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5593 expensive.
5595 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5597 * doc/invoke.texi (-floop-optimize2): Removed.
5598 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5599 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5600 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5601 * common.opt (floop-optimize2): Removed.
5602 (fmove-loop-invariants): Enabled by default.
5604 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5606 * tree-if-conv.c (combine_blocks): Free the result of
5607 get_loop_exit_edges.
5609 2006-02-10 Jeff Law <law@redhat.com>
5611 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5613 PR tree-optimization/26213
5614 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5615 loop trying to follow SSA_NAME_VALUE chains.
5617 2006-02-10 Richard Guenther <rguenther@suse.de>
5619 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5620 deal with structures that end in implicitly variable sized arrays.
5622 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5624 PR rtl-optimization/24762
5625 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5626 eh edges.
5628 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5630 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5631 (struct ivopts_data): Add regs_used field.
5632 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5633 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5634 instead of loop_data->regs_used;
5635 (free_loop_data): Do not free aux fields for loops.
5636 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5637 and tree_ssa_iv_optimize_finalize.
5639 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5641 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5643 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5645 PR target/26141
5646 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5647 computing the effective result type.
5649 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5651 PR inline-asm/16194
5652 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5653 (tree_overlaps_hard_reg_set): Declare.
5654 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5655 type and signature to match function type expected by walk_tree.
5656 (tree_overlaps_hard_reg_set): New function.
5657 (decl_conflicts_with_clobbers_p): Rename to:
5658 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5659 Use tree_overlaps_hard_reg_set. Changed caller.
5660 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5661 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5662 * cris.c (cris_md_asm_clobbers): Likewise.
5664 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5666 * reload1.c (emit_input_reload_insns): Delete code that tries to
5667 inherit using find_equiv_reg.
5669 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5671 * c-common.h (flag_const_strings): Don't declare.
5672 * c-common.c (flag_const_strings): Remove.
5673 * c.opt (fconst_strings): Remove.
5674 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5675 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5676 (c_common_init_options): Don't set flag_const_strings.
5677 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5679 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5681 * arm.md (tlobits_cbranch): New pattern.
5682 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5683 testing a single bit.
5685 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5687 PR tree-opt/26179
5688 * tree-ssa-pre.c (create_component_ref_by_pieces):
5689 Handle RETURN_DECL like VAR_DECL.
5691 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5693 PR middle-end/26134
5694 * fold-const.c (fold_indirect_ref_1): Fold
5695 "*(foo *)&complexfoo" to "__real__ complexfoo"
5696 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5698 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5700 * tree-flow-inline.h (var_can_have_subvars):
5701 Volatile variables should not have subvariables.
5703 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5705 PR 26180
5706 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5707 multiplying unsigned values.
5708 Tidy comments.
5710 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5712 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5714 2006-02-08 Jason Merrill <jason@redhat.com>
5716 PR c++/25979
5717 * tree.def: Elaborate on difference from MODIFY_EXPR.
5718 * doc/c-tree.texi (INIT_EXPR): Likewise.
5719 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5720 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5721 (gimplify_target_expr): Likewise.
5722 (gimplify_cond_expr): Remove target handling.
5723 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5724 (gimplify_expr): Clobber it here.
5725 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5726 Do return slot optimization if we have an INIT_EXPR.
5728 PR tree-opt/24365
5729 * tree-inline.c (declare_return_variable): Also clear
5730 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5732 PR c++/16405
5733 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5735 PR middle-end/22439
5736 * gimplify.c (gimplify_one_sizepos): Fix typo.
5738 2006-02-08 Jeff Law <law@redhat.com>
5740 PR tree-optimization/21417
5741 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5742 across a backedge if the control statement at the end of the
5743 block is data dependent on other statements in the same block.
5744 (record_temporary_equivalences_from_stmts): Remove over-conservative
5745 test for threading across backedges.
5747 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5748 control statement, handle all three special cases in the same
5749 manner as they all have the same desired solution. No longer
5750 special case edge flag updating when the post dominator is
5751 the exit block.
5753 2006-02-08 Roger Sayle <roger@eyesopen.com>
5755 * tree.def (CHAR_TYPE): Remove.
5756 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5757 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5758 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5759 (gen_string_type_die): Delete unreachable function.
5761 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5762 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5763 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5764 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5765 * builtins.c (type_to_class): Likewise.
5766 * fold-const.c (fold_convert, build_range_check,
5767 merge_ranges): Likewise.
5768 * expr.c (count_type_elements): Likewise.
5769 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5770 * stor-layout.c (layout_type): Likewise.
5771 * ipa-type-escape.c (type_to_consider): Likewise.
5772 * gimplify.c (omp_firstprivatize_type_sizes,
5773 gimplify_type_sizes): Likewise.
5774 * explow.c (promote_mode): Likewise.
5775 * tree-sra.c (is_sra_scalar_type): Likewise.
5776 * varasm.c (output_constant): Likewise.
5777 * tree-inline.c (remap_type_1): Likewise.
5778 * convert.c (convert_to_pointer, convert_to_real,
5779 convert_to_integer, convert_to_complex): Likewise.
5781 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5783 * df-scan.c (df_def_record_1): A set destination may
5784 be a parallel regardless of mode.
5786 2006-02-08 Roger Sayle <roger@eyesopen.com>
5788 PR target/22209
5789 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5790 * config/mips/_tilib.c: Remove.
5791 * config/fixtfdi.c: New libgcc source file.
5792 * config/fixunstfdi.c: New source file.
5793 * config/floatditf.c: New source file.
5794 * config/floatunditf.c: New souce file.
5795 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5796 files above instead of config/mips/_tilib.c.
5797 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5799 2006-02-08 Jeff Law <law@redhat.com>
5801 PR tree-optimization/26169
5802 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5803 threading jumps.
5805 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5807 * df.h (DF_REG_SIZE): Return the length of the initialized
5808 part of the array.
5810 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5812 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5813 __muldf3): Return a correctly signed zero.
5815 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5817 * passes.c (register_one_dump_file): Accept the current properties
5818 instead of pass number. Adjust call to dump_register. Remove
5819 duplicated code.
5820 (register_dump_files): Now a wrapper around...
5821 (register_dump_files_1): ... this one. Do not modify the pass
5822 structure.
5823 (next_pass_1): Cosmetic fix.
5824 (execute_todo): Keep second parameter only. Use curr_properties
5825 instead of fetching it from the pass structure. Check and set
5826 last_verified.
5827 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5828 instead of fetching it from the pass structure. Fix calls to
5829 execute_todo. Update curr_properties and initialize .vcg RTL dump
5830 after running the pass. Reset last_verified.
5831 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5832 at the beginning.
5833 (FIRST_AUTO_NUMBERED_DUMP): New.
5834 (dump_register): Remove "num" parameter, assign it within the
5835 function.
5836 (get_dump_file_name): Modify template for dumps.
5837 * tree-dump.h (dump_register): Adjust prototype.
5838 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5839 (PROP_trees): Add PROP_gimple_lomp.
5840 (TODO_set_props): New.
5841 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5842 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5843 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5845 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5847 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5848 (sparc64-*-linux*): Likewise.
5849 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5850 * config/sparc/t-linux: New file.
5851 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5852 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5853 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5854 -m32 -mlong-double-128.
5856 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5857 * config/alpha/t-linux: New file.
5858 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5860 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5861 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5862 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5863 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5864 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5865 (CPP_ARCH32_SPEC): Remove.
5867 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5869 PR tree-optimization/26145
5870 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5871 bbs pointer.
5873 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5875 PR target/26109
5876 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5877 >= 240000 when generating code for SOM runtime.
5878 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5879 to $$dyncall when generating code for SOM runtime..
5881 2006-02-07 Dirk Mueller <dmueller@suse.com>
5883 PR c++/18150
5884 * doc/invoke.texi (-Wsequence-point): Update documentation
5885 that -Wsequence-point is implemented for C++ as well.
5887 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5889 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5890 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5891 (LIB_SPEC): Likewise.
5892 * doc/invoke.texi (SPARC options): Document -pthread.
5894 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5896 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5897 PIC addresses.
5899 2006-02-07 Roger Sayle <roger@eyesopen.com>
5901 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5902 Correct comment describing BOOLEAN_TYPE.
5904 2006-02-07 Dirk Mueller <dmueller@suse.com>
5906 * c.opt: C++ frontend supports -Wdiv-by-zero.
5907 * c-opts.c (c_common_handle_option): Remove dead case.
5909 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5911 * configure.ac (TLS assembler check): Do not enable TLS by
5912 default on SPARC/Solaris before version 10.
5913 * configure: Regenerate.
5915 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5917 * doc/invoke.texi (xl-compat): Document conversion and support
5918 routine names.
5920 2006-02-07 Jeff Law <law@redhat.com>
5922 * tree-vrp.c (find_conditional_asserts): Update comments.
5923 (simplify_stmt_for_jump_threading): New.
5924 (identify_jump_threads, finalize_jump_threads): New.
5925 (vrp_finalize): Call identify_jump_threads.
5926 (execute_vrp): Call finalize_jump_threads.
5927 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5928 (vrp_element, vrp_data, vrp_element_p): Remove.
5929 (vrp_hash_elt, vrp_variables_stack): Remove.
5930 (vrp_hash, vrp_eq, record_range): Remove.
5931 (simplify_cond_and_lookup_avail_expr): Remove.
5932 (extract_range_from_cond): Remove.
5933 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5934 (simplify_stmt_for_jump_threading): New.
5935 (dom_thread_across_edge): New wrapper.
5936 (tree_ssa_dominator_optimize): No longer initialize or
5937 finalize any of the VRP datastructures. Remove iteration
5938 step and simplify as a result of removal of iteration step.
5939 (pass_dominator): Perform a cfg cleanup after DOM.
5940 (dom_opt_finalize_block): Use the new common routines
5941 for threading jumps. Simplify stack management slightly.
5942 No longer need to unwind VRP state.
5943 (record_equivalences_from_incoming_edge): No longer record
5944 VRP information.
5945 (eliminate_redundant_computations): No longer call
5946 simplify_cond_and_lookup_avail_expr.
5947 * tree-flow.h (potentially_threadable_block): Prototype.
5948 (thread_across_edge): Likewise.
5949 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5950 (tree-ssa-threadedge.o): Add dependencies.
5951 * tree-ssa-threadedge.c: New file.
5952 * passes.c (init_optimization_passes): Merge PHIs before
5953 calling VRP. Run VRP again late in the SSA optimization pipeline.
5955 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5957 * df-core.c (df_set_blocks): Do not dereference function pointers.
5958 (df_finish1): Likewise.
5959 (df_hybrid_search_forward): Likewise.
5960 (df_hybrid_search_backward): Likewise.
5961 (df_iterative_dataflow): Likewise.
5962 (df_analyze_problem): Likewise.
5963 (df_compact_blocks): Likewise.
5964 (df_dump): Likewise.
5965 * df-scan.c (df_rescan_blocks): Likewise.
5966 (df_record_entry_block_defs): Likewise.
5968 * genconditions.c (write_conditions): Guard the definition of
5969 'insn_conditions' with the check on GCC version.
5970 (write_writer): Guard the traversal 'insn_conditions' with
5971 the check on GCC version.
5973 2006-02-07 Richard Guenther <rguenther@suse.de>
5975 PR c++/26140
5976 Revert
5977 2006-01-30 Richard Guenther <rguenther@suse.de>
5978 PR c++/23372
5979 * gimplify.c (gimplify_target_expr): Handle easy cases
5980 without creating a temporary.
5982 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5984 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5985 use of float in probability computations. Use edge probabilities
5986 in place of statically computed probabilities.
5987 (min_spec_prob): New static variable.
5988 (schedule_insns): Initialize it.
5989 (GET_SRC_PROB): Removed.
5990 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5992 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5994 PR debug/24444
5995 * config/ia64/unwind-ia64.c: Revert last change.
5996 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5997 (INCOMING_FRAME_SP_OFFSET): Define.
5999 2006-02-06 Roger Sayle <roger@eyesopen.com>
6001 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6003 2006-02-07 Ben Elliston <bje@au.ibm.com>
6005 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6006 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6007 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6008 (ix86_return_in_memory): Handle TDmode.
6009 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6010 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6012 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6014 * reorg.c (dbr_schedule): Use dump_file instead of file.
6016 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6018 PR target/25917
6019 * config/ia64/predicates.md (extr_len_operand): New predicate.
6020 * config/ia64/ia64.md (extv): Tighten constraints.
6021 (extzv): Ditto.
6022 (*tbit_and_2): Ditto.
6023 (*tbit_and_3): Ditto.
6024 (*tbit_or_2): Ditto.
6025 (*tbit_or_3): Ditto.
6026 (*bit_zero): Ditto.
6027 (*bit_one): Ditto.
6029 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6031 PR target/23359
6032 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6034 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6036 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6037 loop_optimizer_init and loop_optimizer_finalize
6038 * tree-ssa-sink.c (execute_sink_code): Ditto.
6039 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6040 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6041 tree_ssa_loop_done): Ditto.
6042 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6043 * sched-ebb.c: Include output.h.
6044 (schedule_ebbs): Do not use dump argument.
6045 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6046 * loop.c (loop_dump_stream): Removed.
6047 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6048 argument.
6049 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6050 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6051 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6052 loop_iterations, strength_reduce, record_biv, record_giv,
6053 final_giv_value, check_final_value, check_ext_dependent_givs,
6054 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6055 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6056 dump_file instead of loop_dump_stream.
6057 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6058 argument dump_file.
6059 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6060 dump argument.
6061 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6062 * haifa-sched.c: Include output.h
6063 (schedule_insns, sched_init): Do not use dump argument.
6064 * mode-switching.c (optimize_mode_switching): Ditto.
6065 * modulo-sched.c (stats_file): Removed.
6066 (print_node_sched_params): Do not call argument dump_file.
6067 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6068 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6069 of stats_file.
6070 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6071 use dump argument.
6072 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6073 rtl_loop_init, rtl_loop_done): Ditto.
6074 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6075 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6076 Ditto.
6077 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6078 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6079 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6080 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6081 * emit-rtl.c (renumber_insns): Ditto.
6082 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6083 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6084 * regclass.c (regclass): Ditto.
6085 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6086 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6087 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6088 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6089 Ditto.
6090 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6091 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6092 to regclass.
6093 * gcse.c (gcse_file, debug_stderr): Removed.
6094 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6095 rest_of_handle_gcse): Do not use dump argument.
6096 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6097 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6098 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6099 compute_code_hoist_vbeinout, compute_code_hoist_data,
6100 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6101 compute_store_table, build_store_vectors, insert_insn_start_bb,
6102 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6103 store_motion): Use dump_file instead of gcse_file.
6104 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6105 * profile.c (profile_dump_file): Removed.
6106 (branch_prob): Use dump_file instead of profile_dump_file.
6107 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6108 dump_file.
6109 * tree-ssa-copy.c (dump_copy_of): Ditto.
6110 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6111 dump file to life_analysis.
6112 * bt-load.c (branch_target_load_optimize): Ditto.
6113 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6114 renumber_insns.
6115 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6116 regclass, dbr_schedule): Declaration changed.
6117 * sched-int.h (sched_init): Declaration changed.
6118 * tree-profile.c (tree_profile_dump_file): Removed.
6119 (tree_profile_hooks): Removed profile_dump_file hook.
6120 * rtl-profile (rtl_profile_dump_file): Removed.
6121 (rtl_profile_hooks): emoved profile_dump_file hook.
6122 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6123 changed.
6124 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6125 * tree-cfg.c (build_tree_cfg): Ditto.
6126 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6127 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6128 Declaration changed.
6129 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6130 life_analysis and schedule_insns.
6131 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6132 life_analysis.
6133 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6134 dbr_schedule.
6135 * config/mips/mips.c (mips_reorg): Ditto.
6136 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6137 schedule_ebbs.
6139 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6141 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6142 (s390_mangle_fundamental_type): New.
6143 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6144 Define.
6146 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6147 (alpha_mangle_fundamental_type): New.
6148 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6149 Define.
6151 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6152 Define.
6153 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6154 Define.
6155 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6156 (sparc_mangle_fundamental_type): New.
6158 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6160 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6161 (s390x-*-linux*): Likewise.
6162 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6163 * config/s390/t-linux: New file.
6165 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6167 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6168 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6170 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6172 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6173 (ANTIC_SAFE_LOADS): New macro.
6174 (find_or_generate_expression): Add prototype.
6175 (set_contains_value): Allow null set for sake of not always having
6176 to allocate ANTIC_SAFE_LOADS.
6177 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6178 Allow COMPONENT_REF too.
6179 (valid_in_set): Allow COMPONENT_REF.
6180 Check ANTIC_SAFE_LOADS too.
6181 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6182 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6183 rename.
6184 (can_PRE_operation): Add COMPONENT_REF.
6185 (create_component_ref_by_pieces): New function.
6186 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6187 (insert_aux): Move AGGREGATE_TYPE_P check here.
6188 (compute_avail): Set bb local stmt uids.
6189 (pass_pre): Use TODO_update_ssa_only_virtuals.
6191 2006-02-06 Ben Elliston <bje@au.ibm.com>
6193 * configure.ac: Unconditionally disable decimal float by default.
6194 * configure: Regenerate.
6196 2006-02-06 Ben Elliston <bje@au.ibm.com>
6198 * read-rtl.c (read_name): Terminate reading on EOF.
6200 2006-02-06 Ben Elliston <bje@au.ibm.com>
6202 * dfp.c (decimal_real_arithmetic): Change second argument type
6203 from int to enum tree_code. Do not always return true, but now
6204 return result of any call to decimal_do helper functions.
6205 * dfp.h (decimal_real_arithmetic): Update prototype.
6207 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6209 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6211 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6213 PR tree-opt/25251
6214 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6215 forced labels.
6217 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6219 * tree-vrp.c (cfg_loops): Removed.
6220 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6221 Use current_loops instead of cfg_loops. Pass flags to
6222 loop_optimizer_init.
6223 * cfgloopmanip.c (fix_loop_structure): Update only available
6224 information.
6225 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6226 loop_optimizer_init.
6227 * modulo-sched.c (build_loops_structure): Removed.
6228 (sms_schedule): Use loop_optimizer_init.
6229 * loop-init.c (loop_optimizer_init): Use flags to determine
6230 which properties of loops to prepare.
6231 (rtl_loop_init): Pass flags to loop_optimizer_init.
6232 * tree-ssa-sink.c (execute_sink_code): Ditto.
6233 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6234 * tree-ssa-pre.c (init_pre): Ditto.
6235 * cfgloop.h (LOOPS_NORMAL): New.
6236 (loop_optimizer_init): Declaration changed.
6238 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6240 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6241 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6242 pa/t-pa.
6243 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6244 pa/t-pa.
6245 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6246 pa/x-ada.
6247 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6248 * pa/t-pa64: Delete quadlib.c rule.
6249 * pa/x-ada: Revert last change.
6250 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6252 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6254 PR rtl-optimization/26087
6255 * rtlanal.c (canonicalize_condition): Do not cross basic block
6256 boundaries.
6258 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6260 PR debug/24444
6261 * config/ia64/ia64.c: Include debug.h.
6262 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6263 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6264 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6265 (process_epilogue, process_set, process_for_unwind_directive):
6266 Output unwind info only if requested. Add CFA info if requested.
6267 Add new arguments as needed. Adjust callers.
6268 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6269 incorrect default.
6270 (DWARF2_FRAME_INFO): Define to zero.
6271 * config/ia64/unwind-ia64.c: Remove code that compensated for
6272 the CFA offset error fixed above.
6273 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6274 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6275 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6276 -funwind-tables and -fexceptions to enable frame info.
6277 (dwarf2out_frame_init): Define initial CFA even if
6278 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6279 DWARF2_UNWIND_INFO is nonzero, not just defined.
6280 (dwarf2out_frame_finish): Output non-EH call frame info only
6281 if DWARF2_FRAME_INFO is nonzero.
6282 (convert_cfa_to_loc_list,
6283 compute_frame_pointer_to_cfa_displacement): Define even if
6284 unwind info is not supported.
6285 (gen_subprogram_die): Use the above unconditionally. Remove
6286 legacy alternate code.
6287 * toplev.c (compile_file): Compile in call to
6288 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6289 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6291 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6292 Jakub Jelinek <jakub@redhat.com>
6294 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6295 IBM extended float format long double as "g" on powerpc*-linux.
6297 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6299 PR target/25926
6300 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6301 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6303 2006-02-03 Jason Merrill <jason@redhat.com>
6305 PR c++/25979
6306 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6308 PR middle-end/25977
6309 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6310 on the return slot if it's an NRV.
6312 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6314 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6315 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6316 rewrite_use): Do not handle USE_OUTER.
6317 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6318 add_iv_outer_candidates, may_replace_final_value,
6319 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6320 (find_interesting_uses_op): Functionality of
6321 find_interesting_uses_outer_or_nonlin moved here.
6322 (find_interesting_uses_outside): Use find_interesting_uses_op.
6324 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6326 PR target/25960
6327 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6329 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6330 Ulrich Weigand <uweigand@de.ibm.com>
6332 PR target/25864
6333 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6334 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6335 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6336 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6337 and dxr fields.
6338 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6339 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6340 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6341 Define secondary reloads for TFmode moves.
6342 (constant_modes): Add TFmode.
6343 (NR_C_MODES): Set to 8.
6344 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6345 builtin define.
6346 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6347 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6348 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6349 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6350 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6351 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6352 (FPR mode macro): Add TFmode.
6353 (DSF mode macro): New.
6354 (<de>, <dee> mode attributes): Removed.
6355 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6356 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6357 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6358 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6359 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6360 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6361 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6362 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6363 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6364 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6365 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6366 "*negabs<mode>2", "sqrt<mode>2"):
6367 Changed <de> to <xde>. R constraint replaced by <Rf>.
6368 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6369 <Rf>.
6370 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6371 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6372 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6373 splitters.
6374 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6375 "extenddftf2", "extendsftf2"): New expanders.
6376 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6377 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6378 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6379 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6380 New options.
6381 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6382 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6383 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6384 __floatditf): Add a GCC_4.1.0 symbol version tag.
6385 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6386 the new options.
6388 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6390 PR target/25377
6391 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6392 Use targetm.binds_local_p instead of TREE_PUBLIC.
6394 2006-02-02 Roger Sayle <roger@eyesopen.com>
6396 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6397 on INTEGER_TYPEs to indicate that it denotes a character type.
6398 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6399 signed_char_type_node, unsigned_char_type_node and char_type_node.
6400 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6401 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6402 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6404 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6405 Daniel Berlin <dberlin@dberlin.org>
6407 * tree-tailcall.c (arg_needs_copy_p): New function.
6408 (eliminate_tail_call): Use arg_needs_copy_p.
6409 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6410 (add_virtual_phis): New function.
6412 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6414 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6415 #ignore instead of #scratch for %g7 .register directive.
6417 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6419 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6420 object files.
6422 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6424 * flow.c (calculate_global_regs_live): Assert that there aren't any
6425 EDGE_FAKE edges.
6427 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6429 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6430 what its name says.
6431 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6432 bsi_after_labels iterator.
6433 * tree-if-conv.c (find_phi_replacement_condition,
6434 replace_phi_with_cond_modify_expr): Likewise.
6435 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6436 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6438 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6440 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6442 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6444 PR 25990
6445 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6446 array after growing it.
6448 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6450 PR middle-end/24901
6451 * fold-const.c (fold_checksum_tree): Change type of buf.
6453 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6455 * reload.c (push_secondary_reload): Initialize t_icode.
6457 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6459 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6460 -msoft-float -mlong-double-128 only issue a warning, but don't
6461 swich to DFmode long double.
6463 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6465 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6466 has a constant equivalent, iterate over equivalents for arg0,
6467 calling simplify_relational_operation and if there's a result
6468 cheaper than X, apply fold_rtx and return the result.
6470 2006-02-01 Jan Hubicka <jh@suse.cz>
6472 * opts.c (no_unit_at_a_time_default): New global variable.
6473 (decode_options): Use it.
6474 * opts.h (no_unit_at_a_time_default): Declare.
6476 2006-02-01 Paul Brook <paul@codesourcery.com>
6478 * function.c (assign_parm_setup_reg): Use function argument promotion
6479 rules.
6480 * expr.c (expand_expr_real_1): Use function argument promotion rules
6481 for PARM_DECLs.
6483 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6485 * gcc.c (process_command): Change j to 'unsigned int'.
6487 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6489 PR middle-end/26001
6490 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6491 Use the corrected index for the character
6492 out of the string constant.
6494 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6496 * mode-switching.c (optimize_mode_switching): Fix size
6497 allocated for bb_info[n_entities].
6499 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6501 * gcc.c (main): Correct type that is allocated for
6502 explicit_link_files.
6504 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6506 * config/s390/s390.c (init_alignment_context): Set
6507 ALIAS_SET_MEMORY_BARRIER on the MEM.
6508 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6510 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6512 PR middle-end/25933
6513 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6514 dom_bbs pointer.
6515 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6516 call to tpa_init.
6518 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6520 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6521 * regrename.c: Ditto.
6522 * tree-ssa-loop-im.c: Ditto.
6523 * tree-dump.c: Ditto.
6524 * tree-complex.c: Ditto.
6525 * genrecog.c: Ditto.
6526 * tree-ssa-threadupdate.c: Ditto.
6527 * tracer.c: Ditto.
6528 * java/class.c: Ditto.
6529 * java/jcf-parse.c: Ditto.
6530 * java/resource.c: Ditto.
6531 * java/except.c: Ditto.
6532 * java/jvspec.c: Ditto.
6533 * java/jcf-write.c: Ditto.
6534 * java/jcf-path.c: Ditto.
6535 * java/gjavah.c: Ditto.
6536 * java/zextract.c: Ditto.
6537 * java/jcf-io.c: Ditto.
6538 * java/jcf.h: Ditto.
6539 * java/buffer.c: Ditto.
6540 * java/lang.c: Ditto.
6541 * java/parse-scan.y: Ditto.
6542 * java/lex.c: Ditto.
6543 * java/lex.h: Ditto.
6544 * cfgloopmanip.c: Ditto.
6545 * postreload-gcse.c: Ditto.
6546 * tree-ssa-loop-manip.c: Ditto.
6547 * postreload.c: Ditto.
6548 * tree-ssa-loop-ch.c: Ditto.
6549 * loop.c: Ditto.
6550 * ipa-cp.c: Ditto.
6551 * cppspec.c: Ditto.
6552 * diagnostic.c: Ditto.
6553 * final.c: Ditto.
6554 * genoutput.c: Ditto.
6555 * gcc.c: Ditto.
6556 * cfghooks.c: Ditto.
6557 * cfgloopanal.c: Ditto.
6558 * objc/objc-act.c: Ditto.
6559 * gcov.c: Ditto.
6560 * genextract.c: Ditto.
6561 * genautomata.c: Ditto.
6562 * pretty-print.c: Ditto.
6563 * genemit.c: Ditto.
6564 * cgraphunit.c: Ditto.
6565 * flow.c: Ditto.
6566 * df-scan.c: Ditto.
6567 * haifa-sched.c: Ditto.
6568 * dominance.c: Ditto.
6569 * dbxout.c: Ditto.
6570 * tree-ssa-loop-ivopts.c: Ditto.
6571 * df-core.c: Ditto.
6572 * mode-switching.c: Ditto.
6573 * modulo-sched.c: Ditto.
6574 * graph.c: Ditto.
6575 * ipa-pure-const.c: Ditto.
6576 * cse.c: Ditto.
6577 * fix-header.c: Ditto.
6578 * web.c: Ditto.
6579 * tree-stdarg.c: Ditto.
6580 * ipa-utils.c: Ditto.
6581 * loop-init.c: Ditto.
6582 * ipa-inline.c: Ditto.
6583 * cfganal.c: Ditto.
6584 * global.c: Ditto.
6585 * alloc-pool.c: Ditto.
6586 * dwarf2out.c: Ditto.
6587 * opts.c: Ditto.
6588 * genattrtab.c: Ditto.
6589 * tree-ssa-loop-ivcanon.c: Ditto.
6590 * predict.c: Ditto.
6591 * timevar.c: Ditto.
6592 * lcm.c: Ditto.
6593 * fortran/gfortranspec.c: Ditto.
6594 * regmove.c: Ditto.
6595 * local-alloc.c: Ditto.
6596 * langhooks.c: Ditto.
6597 * function.c: Ditto.
6598 * tree-vectorizer.c: Ditto.
6599 * gcse.c: Ditto.
6600 * ipa-type-escape.c: Ditto.
6601 * alias.c: Ditto.
6602 * tree-if-conv.c: Ditto.
6603 * profile.c: Ditto.
6604 * ipa.c: Ditto.
6605 * tree-data-ref.c: Ditto.
6606 * loop-unroll.c: Ditto.
6607 * treelang/treetree.c: Ditto.
6608 * calls.c: Ditto.
6609 * bt-load.c: Ditto.
6610 * ggc-common.c: Ditto.
6611 * except.c: Ditto.
6612 * coverage.c: Ditto.
6613 * cselib.c: Ditto.
6614 * tree-cfgcleanup.c: Ditto.
6615 * tree-ssa-pre.c: Ditto.
6616 * cfgcleanup.c: Ditto.
6617 * loop-invariant.c: Ditto.
6618 * loop-iv.c: Ditto.
6619 * ipa-prop.c: Ditto.
6620 * print-tree.c: Ditto.
6621 * conflict.c: Ditto.
6622 * ggc-page.c: Ditto.
6623 * sched-deps.c: Ditto.
6624 * regclass.c: Ditto.
6625 * tree-object-size.c: Ditto.
6626 * combine.c: Ditto.
6627 * bb-reorder.c: Ditto.
6628 * resource.c: Ditto.
6629 * var-tracking.c: Ditto.
6630 * cfgloop.c: Ditto.
6631 * df-problems.c: Ditto.
6632 * reg-stack.c: Ditto.
6633 * tlink.c: Ditto.
6634 * gccspec.c: Ditto.
6635 * sched-rgn.c: Ditto.
6636 * tree-ssa-structalias.c: Ditto.
6637 * tree-ssa-reassoc.c: Ditto.
6638 * config/darwin-c.c: Ditto.
6639 * config/darwin.c: Ditto.
6640 * config/arm/arm.c: Ditto.
6641 * cfgrtl.c: Ditto.
6642 * collect2.c: Ditto.
6643 * reload1.c: Ditto.
6645 2006-01-31 Nicolas Pitre <nico@cam.org>
6647 * arm.md (smaxsi3): Make aware of smax_m1.
6648 (smax_m1): New.
6650 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6652 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6654 2006-01-31 Richard Guenther <rguenther@suse.de>
6656 * doc/invoke.texi (-msselibm): Document.
6657 * target.h (expand_library_builtin): New target hook.
6658 * builtins.c (expand_builtin): Use expand_library_builtin.
6659 (default_expand_library_builtin): New function.
6660 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6661 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6662 (link_gcc_math_spec): Declare.
6663 (static_specs): Add link_gcc_math_spec.
6664 * expr.h (default_expand_library_builtin): Declare.
6665 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6666 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6667 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6668 * config/i386/i386.opt (msselibm): New target option.
6669 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6670 (ix86_init_sse_abi_builtins): New function.
6671 (ix86_expand_library_builtin): Likewise.
6672 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6673 (override_options): Handle error conditions wrt -msselibm.
6674 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6675 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6676 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6677 builtins.
6679 2006-01-31 Richard Guenther <rguenther@suse.de>
6680 Paolo Bonzini <bonzini@gnu.org>
6682 * doc/install.texi (--disable-libgcc-math): Document.
6684 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6686 * expr.h (expand_normal): new inline function.
6687 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6688 * dojump.c: use it.
6689 * dwarf2out.c: use it.
6690 * expr.c: use it.
6691 * calls.c: use it.
6692 * expmed.c: use it.
6693 * except.c: use it.
6694 * config/sparc/sparc.c: use it.
6695 * config/i386/i386.c: use it.
6696 * config/rs6000/rs6000.c: use it.
6697 * config/arm/arm.c: use it.
6698 * config/mips/mips.c: use it.
6699 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6701 2006-01-30 Roger Sayle <roger@eyesopen.com>
6703 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6704 argv to the appropriate type.
6706 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6708 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6709 unreachable code.
6711 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6713 PR target/26018
6714 * config/s390/s390.c (struct machine_function): New flag
6715 decomposed_literal_pool_addresses_ok_p.
6716 (s390_reorg): Set it before final stage of literal pool transforms.
6717 (s390_decompose_address): Only accept displacements of the form
6718 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6720 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6722 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6723 the comparison routine return.
6725 2006-01-30 Michael Matz <matz@suse.de>
6727 * global.c (find_reg): Only evict for global regs.
6728 Take n_refs into account and dump more info.
6730 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6732 PR target/14798:
6733 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6734 (pragma_trap, pragma_nosave_low_regs): Likewise.
6735 (current_function_anonymous_args): Likewise.
6736 (sh_deferred_function_attributes): New variable.
6737 (sh_deferred_function_attributes_tail): Likewise.
6738 (print_operand): For '@', look up trap_exit attribute.
6739 (calc_live_regs): Look up trapa_handler attribute. For trapa
6740 handlers, save/restore fpscr, but don't do any other
6741 interrupt-specific saves.
6742 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6743 Fix check for partially saved registers to check for SHmedia.
6744 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6745 (sh_output_function_epilogue): Don't clear any of the removed
6746 variables.
6747 (sh_insert_attributes): Don't check pragma_interrupt.
6748 Insert deferred attributes. Check that interrupt attribute is
6749 present for other attributes that require its presence.
6750 (sh_attribute_table): Add new attributes trapa_handler and
6751 nosave_low_regs.
6752 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6753 Don't check for pragma_interrupt. Don't store argument.
6754 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6755 (sh_deferred_function_attributes): Declare.
6756 (sh_deferred_function_attributes_tail): Likewise.
6757 * sh.md (sp_switch_1): Add operand. Change generator caller.
6758 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6759 (*return_i): Don't use when trap_exit attribute is in effect.
6760 (*return_trapa): New insn pattern.
6761 * sh-c.c: New file.
6762 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6763 setting c_target_objs and cxx_target_objs.
6764 * t-sh: Add rule for sh-c.o.
6766 2006-01-30 Richard Guenther <rguenther@suse.de>
6768 PR c++/23372
6769 * gimplify.c (gimplify_target_expr): Handle easy cases
6770 without creating a temporary.
6772 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6774 * vec.h (safe_grow): Remove duplicated line.
6776 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6778 PR 25874
6779 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6780 (expand_omp): ... here.
6781 (expand_omp_parallel): Only remove barriers for combined
6782 parallel+workshare constructs.
6784 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6786 Revert
6788 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6789 * tree.c (build_qualified_type): Chain the new type to the original
6790 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6791 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6792 (build_pointer_type_for_mode): Only return unqualified types.
6793 (build_reference_type_for_mode): Likewise.
6795 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6797 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6798 * Makefile.in (CXX_COMPAT_WARN): Define.
6799 * configure: Regenerate.
6801 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6803 PR tree-opt/25911
6804 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6805 to an if check.
6807 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6809 * toplev.c: Fix thinko.
6811 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6812 Marcin Dalecki <martin@dalecki.de>
6814 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6815 (push_srcloc): Use XNEW.
6816 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6818 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6820 * df-core.c (df_set_blocks): Deleted all variable.
6822 2006-01-28 Ian Lance Taylor <ian@airs.com>
6824 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6825 cgraph_output_pending_asms.
6827 2006-01-28 Zack Weinberg <zackw@panix.com>
6829 * c.opt: Add -W(no-)overlength-strings.
6830 * doc/invoke.texi: Document it.
6831 * c-opts.c (c_common_handle_option): -pedantic implies
6832 -Woverlength-strings, if not explicitly disabled already.
6833 (c_common_post_options): -Woverlength-strings defaults to off, and
6834 is always off for C++.
6835 * c-common.c (fix_string_type): Issue warning about strings longer
6836 than is portable only if warn_overlength_strings. Rearrange code
6837 a little for clarity.
6838 * configure.in: Check for -Wno-overlength-strings as well before
6839 enabling -pedantic in stage 1.
6840 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6841 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6843 * genconditions.c (write_header, write_one_condition)
6844 (write_conditions, write_writer): Consolidate very long strings
6845 that were broken up to fit in C89 portable limit. Don't use
6846 printf when fputs will do.
6848 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6850 * combine.c (simplify_comparison <AND>): Check
6851 TRULY_NOOP_TRUNCATION before start using a subreg.
6853 * config/mips/mips.md (*branch_zero<mode>,
6854 *branch_zero<mode>_inverted, *branch_equality<mode>,
6855 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6856 Remove mode check from comparisons.
6858 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6860 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6862 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6864 * expmed.c (const_mult_add_overflow_p): Remove.
6865 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6867 * recog.c (validate_replace_rtx_subexp): Remove.
6868 * recog.h: Remove the prototype for
6869 validate_replace_rtx_subexp.
6871 * integrate.h: Remove the prototype for
6872 copy_decl_for_inlining.
6873 * rtl.h: Remove the prototype for mark_constant_function.
6874 * tree-vectorizer.h: Remove the prototype for
6875 vect_strip_conversion.
6877 * modulo-sched.c (create_partial_schedule,
6878 free_partial_schedule, reset_partial_schedule): Make them
6879 static.
6881 * hooks.c (hook_bool_rtx_int_false): Remove.
6882 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6884 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6886 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6887 and -mlong-double-128 are incompatible.
6888 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6889 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6890 (TARGET_LIBGCC2_CFLAGS): Define.
6891 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6892 (TARGET_LIBGCC2_CFLAGS): Same.
6893 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6895 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6897 PR c/19606.
6898 * c-typeck.c (build_binary_op): Perform implicit casts of
6899 operands before shortening them.
6901 * cfgloopmanip.c (split_loop_bb): Remove.
6902 * cfgloop.h: Remove the prototype for split_loop_bb.
6904 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6905 * cfgloop.h: Remove the prototype for
6906 flow_loop_outside_edge_p.
6908 * emit-rtl.c (init_virtual_regs): Make it static.
6909 * function.h: Remove the prototype for init_virtual_regs.
6911 * recog.c (peephole2_optimize): Make it static.
6912 * recog.h: Remove the prototype for peephole2_optimize.
6914 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6916 * df-scan.c (df_record_entry_block_defs): Check if
6917 INCOMING_RETURN_ADDR_RTX is defined.
6919 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6920 Kenneth Zadeck <zadeck@naturalbridge.com>
6922 PR rtl-optimization/24762
6923 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6924 * targhooks.c (hook_void_bitmap): New hook prototype.
6925 * targhoohs.h (hook_void_bitmap): Ditto.
6926 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6927 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6928 * target.h (live_on_entry): New function pointer.
6929 * df-scan.c (df_all_hard_regs): Removed.
6930 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6931 (df_scan_free_internal): Added df->entry_block_defs.
6932 (df_scan_alloc): Ditto.
6933 (df_scan_dump): Ditto.
6934 (df_uses_record): Plumbed flag field properly thru calls.
6935 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6936 This part fixes PR24762.
6937 (df_bb_refs_record): Added code to make the frame and arg
6938 pointers live in EH blocks.
6939 (df_refs_record): Added call to df_record_entry_block_defs.
6940 (df_record_entry_block_defs): New function.
6941 * df-core.c: Added comments to describe new artifical defs.
6942 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6943 (entry_block_defs): New field in struct df.
6944 (df_all_hard_regs): Deleted.
6945 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6946 * df-problems.c (df_ru_bb_local_compute_process_def):
6947 Added code to handle artifical defs in the entry to a function.
6948 (df_ru_bb_local_compute): Ditto.
6949 (df_rd_bb_local_compute_process_def): Ditto.
6950 (df_rd_bb_local_compute): Ditto.
6951 (df_lr_bb_local_compute): Ditto.
6952 (df_ur_bb_local_compute): Ditto.
6953 (df_urec_bb_local_compute): Ditto.
6954 (df_chain_create_bb): Ditto.
6955 (df_ur_local_finalize): Removed entry.
6956 (df_urec_init): Ditto.
6957 (df_urec_local_finalize): Ditto.
6958 (df_ri_bb_compute): Added detection of last use of pseudos.
6959 * Makefile.in (df-scan.o): Updated dependencies.
6960 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6961 * config/mips/mips.c (mips_set_live_on_entry): Added.
6962 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6963 for target hook.
6964 * dce.c (marked_insn_p): Added code to handle artifical defs.
6966 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6968 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6969 intrinsic.
6970 (_mm_cvtsi128_si64): Likewise.
6971 (_mm_cvtsd_si64): Likewise.
6972 (_mm_cvttsd_si64): Likewise.
6973 (_mm_cvtsi64_sd): Likewise.
6974 (_mm_cvtsi64_si128): Likewise.
6975 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6976 (_mm_cvtsi64_m64): Likewise.
6977 (_m_to_int64): Likewise.
6978 (_mm_cvtm64_si64): Likewise.
6979 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6980 (_mm_cvttss_si64): Likewise.
6981 (_mm_cvtsi64_ss): Likewise.
6982 (_mm_cvtss_f32): Likewise.
6984 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6986 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6987 for pragma redefine_extname.
6989 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6991 PR target/25864
6992 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6993 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6994 -mno-minimal-toc to previous content.
6995 (bispecs): Remove goal.
6996 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6997 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6998 compatibility aliases on powerpc-*-*gnu*.
6999 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7000 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7001 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7002 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7003 (ldblspecs): New goal.
7004 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7005 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7006 _df_to_tf.
7007 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7008 L_sf_to_tf or L_df_to_tf is defined.
7010 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7011 Alan Modra <amodra@bigpond.net.au>
7013 PR target/25864
7014 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7015 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7016 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7017 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7018 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7019 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7020 (rs6000_override_options): Initialize rs6000_ieeequad.
7021 Initialize TFmode format to ibm_extended_format if not
7022 TARGET_IEEEQUAD.
7023 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7024 ieeelongdouble.
7025 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7026 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7027 (function_arg_advance): IBM long double passed in two FPRs, not
7028 split.
7029 (function_arg): IBM long double passed in FPRs.
7030 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7031 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7032 Only multireg GPR aligned.
7033 (rs6000_init_libfuncs): Enable IBM long double functions if not
7034 IEEEQUAD.
7035 (rs6000_generate_compare): Use IBM long double compare if not
7036 TARGET_IEEEQUAD.
7037 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7038 (TARGET_IEEEQUAD): Define.
7039 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7040 not TARGET_IEEEQUAD.
7041 * config/rs6000/rs6000.md: Enable TFmode patterns if
7042 !TARGET_IEEEQUAD.
7043 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7044 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7045 and -mlong-double-128 are incompatible.
7046 * doc/invoke.texi (-mabi): Collect options together. Add
7047 ibmlongdouble and ieeelongdouble.
7049 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7051 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7052 opaque type.
7053 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7054 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7055 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7056 * rtl.h (rtunion_def): Remove rt_ptr.
7057 (X0PTR): Delete.
7058 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7059 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7060 * config/i386/winnt.c (i386_pe_mark_dllexport)
7061 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7063 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7065 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7067 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7069 PR other/24829
7070 PR target/24831
7071 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7072 pthread_key_delete. From John David Anglin. gthrw-ify
7073 pthread_getunique_np only if it it's not a macro. Delete
7074 UNUSED macro.
7075 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7076 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7077 __gthread_objc_condition_signal, __gthread_key_delete): Add
7078 "__attribute__ ((__unused__))" to unused arguments.
7079 (__gthread_recursive_mutex_init_function): Add missing return.
7080 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7081 gthr-posix95.h: Use macro-based approach for name redirection
7082 on targets missing weakref.
7084 2006-01-26 Zack Weinberg <zackw@panix.com>
7086 * genconditions.c (write_header): In generated code, #ifdef out
7087 all includes and fake declarations, except includes of bconfig.h
7088 and system.h, unless GCC_VERSION >= 3001. Do not include
7089 gensupport.h in any case.
7090 (write_conditions): Generate a definition of struct c_test. Add
7091 a comment to the generated #endif.
7092 (write_one_condition): Escape backslashes in string too.
7093 (write_writer): Generated code must escape backslashes and quote
7094 marks (but not newlines) in the strings it writes.
7095 * Makefile.in (build/gencondmd.o): Update dependencies.
7097 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7099 PR target/25961
7100 * Makefile.in (insn-automata.o): Add header file dependencies.
7101 * genautomata.c: Add includes.
7103 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7105 PR target/25961
7106 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7108 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7110 * configure.ac: Expect target tools paths to be passed from the toplevel
7111 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7112 AS_SET_VAR_IF.
7113 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7115 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7117 PR c/25892
7118 * c.opt (Wpointer-sign): Init to -1.
7119 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7120 OPT_pedantic, to 0 otherwise.
7121 * doc/invoke.texi: Update.
7123 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7125 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7126 constants provided by 80387 instructions in the destination mode.
7128 2006-01-26 Richard Guenther <rguenther@suse.de>
7129 Andrew Pinski <pinskia@physics.uc.edu>
7131 PR tree-opt/21470
7132 partial PR tree-opt/17064
7133 * tree-ssa-structalias.c (intra_create_variable_infos):
7134 Create heap variables for incoming parameters if
7135 flag_argument_noalias > 1.
7136 (find_what_p_points_to): Look through default defs of
7137 parameter decls.
7139 2006-01-26 Jeff Law <law@redhat.com>
7141 PR ada/25900
7142 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7143 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7144 within the VR_RANGE, use the VR_RANGE as the result, not the
7145 VR_ANTI_RANGE.
7146 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7147 bounds for the type.
7149 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7151 * tree-ssa-alias.c (maybe_create_global_var): Change
7152 subvar walking to an assertion that we don't have subvar'd variables.
7154 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7156 PR C/25861
7157 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7158 Use a new variable, inner. PARM_DECLs are always non-weak.
7160 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7162 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7163 --disable-checking.
7165 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7167 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7169 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7171 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7172 (smax_insn, smin_insn, smax_0, smin_0): New.
7174 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7176 PR target/25947
7177 * config/cris/cris.c (cris_order_for_addsi3): New function.
7178 * config/cris/cris-protos.h: Prototype it.
7179 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7180 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7181 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7182 (split for "op.S1 [rx=rx+i],ry (swapped)")
7183 (split for "op(s|u).S1 [rx=rx+i],ry")
7184 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7185 Apply cris_order_for_addsi3 when generating addsi3 insns.
7187 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7189 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7190 (TREE_BLOCK): Add call to EXPR_CHECK.
7192 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7194 PR 25886
7195 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7196 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7197 (dump_omp_clauses): ... here.
7198 (dump_generic_node): Handle OMP_CLAUSE.
7199 * tree.c (omp_clause_num_ops): New.
7200 (omp_clause_code_name): New.
7201 (tree_code_size): Handle OMP_CLAUSE.
7202 (tree_size): Likewise.
7203 (make_node): Document handling of OMP_CLAUSE.
7204 (tree_node_structure): Handle OMP_CLAUSE.
7205 (omp_clause_check_failed): New.
7206 (omp_clause_range_check_failed): New.
7207 (omp_clause_operand_check_failed): New.
7208 (build_omp_clause): New.
7209 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7210 * tree.h (enum omp_clause_code): Declare.
7211 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7212 (OMP_CLAUSE_RANGE_CHECK): Define.
7213 (OMP_CLAUSE_ELT_CHECK): Define.
7214 (omp_clause_check_failed): Declare.
7215 (omp_clause_operand_check_failed): Declare.
7216 (omp_clause_range_check_failed): Declare.
7217 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7218 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7219 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7220 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7221 (OMP_CLAUSE_IF_EXPR): Likewise.
7222 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7223 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7224 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7225 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7226 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7227 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7228 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7229 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7230 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7231 (OMP_CLAUSE_CODE): Define.
7232 (OMP_CLAUSE_SET_CODE): Define.
7233 (OMP_CLAUSE_CODE): Define.
7234 (OMP_CLAUSE_OPERAND): Define.
7235 (struct tree_omp_clause): Declare.
7236 (union tree_node): Add field 'omp_clause'.
7237 * treestruct.def (TS_OMP_CLAUSE): Define.
7238 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7239 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7240 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7241 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7242 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7243 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7244 (OMP_CLAUSE): Define.
7245 * print-tree.c (print_node): Handle OMP_CLAUSE.
7246 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7247 * c-typeck.c: Likewise.
7248 * gimplify.c: Likewise.
7249 * c-omp.c: Likewise.
7250 * tree-nested.c: Likewise.
7251 * tree-inline.c: Likewise.
7252 * c-parser.c: Likewise.
7253 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7254 clauses.
7256 2006-01-25 Roger Sayle <roger@eyesopen.com>
7258 PR rtl-optimization/25703
7259 * combine.c (try_combine): Handle zero_extract and strict_low_part
7260 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7262 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7264 * global.c: Fix comment typos.
7266 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7268 PR target/25758
7269 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7270 Use output_addr_const instead of assemble_name.
7272 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7274 * Makefile.in (sched-vis.o): Update dependencies.
7275 * haifa-sched.c (sched_finish): Clear current_sched_info.
7276 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7277 (dump_flow_info): Call it.
7278 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7279 a slim RTL dump.
7280 * basic-block.h (dump_bb_info): Declare.
7281 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7282 option, and apply options only for dump files whose TDF_RTL,
7283 TDF_TREE, or TDF_IPA bits match.
7284 * rtl.h: Declare new functions exported from sched-vis.c.
7285 * sched-vis.c: Enable also if scheduling is not used.
7286 (print_value): Print the mode of registers if not inside scheduling.
7287 (print_insn): Make it work outside the scheduler. Beautify the output
7288 a bit.
7289 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7291 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7293 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7294 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7295 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7296 depending on the value of CONSTANT_POOL_ADDRESS_P.
7297 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7298 SYMBOL_REF_DECL.
7299 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7300 rather than SYMBOL_REF_DECL.
7301 (rtx_constant_pool): Remove const_rtx_sym_htab.
7302 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7303 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7304 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7305 Remove handling of const_rtx_sym_htab.
7306 (find_pool_constant): Delete.
7307 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7308 rather than find_pool_constant.
7309 (get_pool_constant_for_function): Delete.
7310 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7311 find_pool_constant.
7312 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7313 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7314 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7315 (SYMBOL_REF_CONSTANT): New macro.
7316 (get_pool_constant_for_function): Delete.
7317 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7318 rather than SYMBOL_REF_DECL.
7319 (i386_pe_mark_dllimport): Likewise.
7320 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7321 rather than SYMBOL_REF_DECL.
7322 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7323 (machopic_indirect_call_target): Likewise.
7325 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7327 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7329 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7331 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7333 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7335 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7337 2006-01-24 David Daney <ddaney@avtrex.com>
7339 PR java/25816
7340 * configure.ac (enable_tls): New enable option.
7341 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7342 * configure: Regenerate.
7343 * doc/install.texi (--enable-tls): Document new option.
7344 (--disable-tls): Ditto.
7346 2006-01-24 Richard Henderson <rth@redehat.com>
7348 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7349 * alias.c (true_dependence): Respect it.
7350 (canon_true_dependence, write_dependence_p): Likewise.
7351 * builtins.c (get_builtin_sync_mem): Set it.
7353 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7355 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7356 efficient way.
7358 2006-01-24 DJ Delorie <dj@redhat.com>
7360 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7361 for storing constants in single-bit bitfields.
7363 2006-01-25 Ben Elliston <bje@au.ibm.com>
7365 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7367 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7369 PR tree-opt/25860
7370 * tree-ssa-pre.c (phi_translate): Return NULL
7371 for AGGREGATE_TYPE's.
7373 2006-01-24 Zack Weinberg <zackw@panix.com>
7375 * genautomata.c (process_state_for_insn_equiv_partition):
7376 Use xcalloc for insn_arcs_array.
7377 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7378 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7380 2006-01-24 Richard Henderson <rth@redhat.com>
7382 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7383 update all callers.
7385 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7387 PR rtl-optimization/25890
7388 PR rtl-optimization/25905
7389 * combine.c (expand_compound_operation, expand_field_assignment):
7390 Fail if the bitfield's final position is out of bounds.
7392 2006-01-24 Ian Lance Taylor <ian@airs.com>
7394 PR middle-end/25930
7395 * cgraphunit.c (cgraph_output_in_order): Don't clear
7396 cgraph_asm_nodes until after asm strings have been output.
7398 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7400 * fix-header.c (read_scan_file): Add new parameter imultilib when
7401 calling register_include_chains.
7403 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7405 * omp-low.c: Update documentation.
7407 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7408 Daniel Berlin <dberlin@dberlin.org>
7410 PR tree-opt/25315
7411 PR tree-opt/25857
7412 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7413 return from the function.
7415 2006-01-22 Zack Weinberg <zackw@panix.com>
7417 * rtl.def (match_code): Add second argument.
7418 * genpreds.c (write_extract_subexp): New function.
7419 (write_match_code): Add path argument. Use write_extract_subexp.
7420 (write_predicate_expr): Pass path to write_match_code.
7421 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7422 not perform a mode test.
7423 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7424 a subexpression does not constrain the top-level code set.
7425 * read-rtl.c (read_rtx_variadic): New function.
7426 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7427 * doc/md.texi: Document new notation.
7428 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7429 (cmpsi_operand): ... here, using new notation.
7431 2006-01-22 Zack Weinberg <zackw@panix.com>
7433 * varray.c: Remove GENERATOR_FILE #ifdefs.
7435 2006-01-22 Zack Weinberg <zackw@panix.com>
7437 * genautomata.c (output_reserved_units_table): Emit nothing if
7438 description->query_units_num is zero. Remove extra blank line.
7439 (output_cpu_unit_reservation_p): Short circuit
7440 if description->query_units_num is zero.
7442 2006-01-22 Zack Weinberg <zackw@panix.com>
7444 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7445 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7446 nor any of the random handful of variables that used to be necessary
7447 when this program was linked with rtlanal.o. Prune set of forward
7448 function declarations.
7449 (struct attr_desc): Remove static_p field.
7450 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7451 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7452 (attr_string): Do not read the character one past the length of
7453 the string.
7454 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7455 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7456 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7457 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7458 (make_automaton_attrs): New.
7459 (main): Do not call into genautomata. Call local gen_bypass
7460 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7461 Remove special case for insn_alts.
7462 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7463 varray.h (leftover from previous change). Prune set of forward
7464 function declarations. Remove state_alts fields from all
7465 structures. Remove state_alts_table from struct automaton.
7466 Make everything except main static. Do not maintain num_dfa_decls.
7467 Do not maintain state_alts fields of various structures.
7468 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7469 (add_arc): Remove state_alts argument. All callers updated.
7470 (output_reserved_units_table): Emit #ifdef here...
7471 (output_tables): ...not here. Don't generate state_alts tables.
7472 (expand_automata): Don't generate attributes.
7473 (write_automata): Don't generate state_alts functions.
7474 (main): New function.
7475 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7476 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7477 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7478 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7479 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7480 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7481 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7482 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7483 Delete.
7484 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7485 * genattrtab.h: Delete file.
7486 * Makefile.in (OBJS-common): Add insn-automata.o.
7487 (insn-automata.o): New rule.
7488 (simple_generated_c): Add insn-automata.c.
7489 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7490 (genprogmd): Add automata.
7491 (build/genattrtab): Needs no extra objects nor libraries.
7492 (build/genautomata): Needs build/vec.o and -lm.
7494 2006-01-22 Zack Weinberg <zackw@panix.com>
7496 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7497 (output_dfa_max_issue_rate, locked_states_num): Delete.
7498 (struct automaton): Add locked_states field.
7499 (output_dead_lock_vect): Save number of locked states in
7500 automaton->locked_states. If it is zero, don't print anything.
7501 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7502 (output_internal_dead_lock_func): Only test the dead_lock_vect
7503 for automata that have locked states.
7504 (output_statistics): Always print the number of locked states for
7505 each automaton. Calculate total number of locked states here.
7506 (write_automata): Don't call output_dfa_max_issue_rate.
7507 * genattrtab.c: Define length_unit_log as a const variable.
7508 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7509 max_insn_queue_index const.
7510 * final.c (length_unit_log): Declare const.
7511 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7513 2006-01-22 Zack Weinberg <zackw@panix.com>
7515 * genautomata.c: Include vec.h, not varray.h.
7516 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7517 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7518 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7519 VEC_* macros operating on appropriately typed vectors, or to
7520 malloced arrays when the size is known in advance. Const-ify
7521 many char* variables and function arguments. No functional changes.
7522 * Makefile.in (build/varray.o): Delete rule.
7523 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7524 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7526 2006-01-22 Zack Weinberg <zackw@panix.com>
7528 * gensupport.c: Define get_insn_name and record_insn_name here.
7529 (read_md_rtx): Call record_insn_name as appropriate.
7530 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7531 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7532 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7533 record_insn_name.
7534 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7535 (BUILD_VARRAY): Delete.
7536 (genprognormal): Rename genprogmd. Fold in all programs from
7537 genprognoprint; also attrtab.
7538 (build/genattrtab): Just mention genautomata.o and varray.o.
7539 Reorganize a bit, add comments to make the categories clearer.
7541 2006-01-22 Zack Weinberg <zackw@panix.com>
7543 * genconditions.c (condition_table, add_condition): Delete.
7544 (write_conditions): Don't emit n_insn_conditions nor
7545 insn_elision_unavailable. Issue the gcc version #ifdef here,
7546 inside the table, with no #else clause ...
7547 (write_header): ...not here.
7548 (write_writer): New function.
7549 (main): Don't initialize condition_table. Use add_c_test.
7550 Call write_writer.
7551 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7552 files on the command line.
7553 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7554 Return -1 if there is no entry in the table, don't abort.
7555 (add_c_test, traverse_c_tests): New functions.
7556 * gensupport.h (insn_elision_unavailable, insn_conditions)
7557 (n_insn_conditions): Delete declarations.
7558 (add_c_test, traverse_c_tests): Declare.
7559 * read-rtl.c: Include gensupport.h.
7560 (read_conditions): New function.
7561 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7562 (read_rtx_1): If we get EOF when we were looking for an initial
7563 open paren, return 0. Call read_conditions when appropriate.
7564 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7565 dummy-conditions.o. Eliminate references to insn-conditions.o,
7566 or change them to build/gencondmd.o, as appropriate. Remove
7567 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7568 from $(simple_generated_c). For all files remaining in those
7569 two lists, add insn-conditions.md to the generator command line.
7570 Give insn-constants.h/s-constants their own rules. Add rules
7571 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7572 (build/read-rtl.o): Depend on gensupport.h.
7573 (genprognormal): Include preds.
7574 (genprogearly): Rename genprognoprint; only difference is now that
7575 they don't link with $(BUILD_PRINT).
7576 * dummy-conditions.c: Delete.
7578 2006-01-22 Zack Weinberg <zackw@panix.com>
7580 * genextract.c: Don't include insn-config.h. Do include vec.h.
7581 Declare vectors of int, char, and locstr.
7582 (locstr): New typedef.
7583 (struct extraction): Make all array fields into bare pointers.
7584 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7585 (insn_code_number): Delete.
7586 (accum_extract): New struct.
7587 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7588 (gen_insn): Take insn_code_number as an argument. Use an
7589 accum_extract structure instead of loading data directly into
7590 a struct extraction, and having to know how big it might get.
7591 (walk_rtx): Operate entirely on an accum_extract structure.
7592 (print_path): Avoid unnecessary use of printf.
7593 (print_header): New function, split out of main. Distinguish
7594 more carefully between an unrecognizable insn and an insn that
7595 has the code number of a define_expand.
7596 (main): Pass insn_code_number to gen_insn. Call print_header
7597 only after parsing. Avoid unnecessary use of printf.
7598 * Makefile.in (build/vec.o): New rule.
7599 (build/genextract): Depend on build/vec.o.
7600 (build/genextract.o): Don't depend on insn-config.h.
7602 2006-01-22 Zack Weinberg <zackw@panix.com>
7604 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7605 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7606 practical. Eliminate per-generator-program link rules.
7608 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7610 PR middle-end/24437
7611 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7612 with a call expr to ...
7613 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7615 2006-01-23 Richard Guenther <rguenther@suse.de>
7617 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7618 before make_edge with conditional EDGE_TRUE_VALUE.
7620 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7621 Jan Hubicka <jh@suse.cz>
7622 Richard Guenther <rguenther@suse.de>
7624 PR rtl-optimization/25654
7625 * cfgexpand.c (aggregate_contains_union_type): New function.
7626 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7627 for structure variables that contain a union type.
7629 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7631 * gengtype.c (new_structure): Return the structure.
7632 (create_option): Add an extra "next" argument.
7633 (create_field): New function.
7634 (adjust_field_rtx_def): Use create_option and create_field.
7635 Remove a now-unnecessary call to find_structure.
7636 (adjust_field_tree_def): Likewise.
7637 (note_yacc_type): Remove an unnecessary call to find_structure.
7638 * gengtype.h (new_structure): Return the structure.
7639 (create_option): Add an extra argument.
7640 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7641 (option): Adjust calls to create_option.
7643 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7645 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7647 2006-01-22 Paul Brook <paul@codesourcery.com>
7648 Peter Barada <peter@the-baradas.com>
7650 * config/m68k/m68k.md: Add Coldfire FPU support.
7651 Define FP mode macro and associated attributes.
7652 Use it for float mode patterns.
7653 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7654 (LIBCALL_VALUE): Use m68k_libcall_value.
7655 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7656 (m68k_function_value): Ditto.
7657 (emit_move_sequence): Ditto.
7658 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7659 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7660 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7661 (MULTILIB_EXCEPTIONS): Ditto.
7662 * config/m68k/m68k.opt: Add mcfv4e.
7663 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7664 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7665 (m68k_output_function_prologue): Save ColdFire FPU registers.
7666 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7667 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7668 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7669 ColdFire FPU registers.
7670 (m68k_libcall_value, m68k_function_value): New functions.
7671 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7672 (LIBCALL_VALUE): Use m68k_libcall_value.
7673 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7674 (MASK_COLDFIRE): Add MASK_CFV4E.
7675 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7676 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7677 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7678 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7679 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7680 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7681 * doc/invoke.tex: Document -mcfv4e on m68k.
7683 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7685 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7686 URL.
7688 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7690 PR c++/16190
7691 * c-opts.c (c_common_handle_option): Don't include
7692 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7693 * doc/invoke.texi (C++ Dialect Options): Document that
7694 -Wnon-virtual-dtor is no longer included in -Wall.
7696 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7698 * gcov.c (print_version), gcov-dump.c (print_version),
7699 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7700 dates.
7702 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7704 * df-scan.c (problem_SCAN): Added NULL reset function.
7705 (df_scan_reset_blocks): Added code to call reset block function
7706 (df_bb_refs_delete) Fixed comment.
7707 (df_insn_refs_delete): Made tolerant of deleting non existent info
7708 for dataflow problems that need to be reset.
7709 * df-core.c (df_set_blocks): Ditto.
7710 * df.h (struct df_problem): Added reset_fun.
7711 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7712 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7713 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7714 functions to clear out all references to def-use or use-def chains.
7716 2006-01-21 Ben Elliston <bje@au.ibm.com>
7718 * varasm.c (assemble_real): Initialise data array.
7720 2006-01-20 Paul Brook <paul@codesourcery.com>
7722 Merge from csl-arm-branch.
7723 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7724 * config/arm/arm.md (movdi): Force operands[1] to a register
7725 if we have a non-register source.
7726 (*arm_movdi, *movdf_soft_insn): Require that one of the
7727 operands be a register.
7728 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7729 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7731 2006-01-20 DJ Delorie <dj@redhat.com>
7733 * varasm.c (initialize_constant_valid_p): Allow pointers
7734 initialized from integer constants of lesser precision.
7735 (output_constant): Allow non-int-sized pointer modes to be
7736 initialized from integer constants.
7738 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7740 PR libstdc++/25524
7741 * cppdefault.h (struct default_include): Add multilib flag.
7742 * cppdefault.c (cpp_include_defaults): Set it.
7743 * c.opt (-imultilib): New option.
7744 * c-opts.c (imultilib): New.
7745 (c_common_handle_option): Handle -imultilib.
7746 (c_common_post_options): Likewise.
7747 * c-incpath.c (add_standard_paths, register_include_chains):
7748 Likewise.
7749 * c-incpath.h (register_include_chains): Add extra parameter.
7750 * gcc.c (do_spec_1): Generate -imultilib option.
7751 (The Specs Language): Update %I description.
7752 (process_command): Update copyright notice.
7753 * doc/cppopts.texi (-imultilib): Document.
7754 * doc/invoke.texi (-imultilib): Include in option summary.
7755 (%I): Update specs documentation.
7757 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7759 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7761 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7763 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7764 label numbers.
7766 2006-01-20 Richard Guenther <rguenther@suse.de>
7767 Steven Bosscher <stevenb.gcc@gmail.com>
7769 PR rtl-optimization/24626
7770 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7771 EDGE_TRUE_VALUE if in RTL mode.
7773 Revert
7774 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7775 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7777 2006-01-20 Dirk Mueller <dmueller@suse.com>
7779 PR c++/5520
7780 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7781 instead of a special NOP marker.
7782 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7783 NOP marker handling.
7784 * c-common.h (empty_body_warning): Add forward declaration.
7785 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7786 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7788 2006-01-20 Paul Brook <paul@codesourcery.com>
7790 * Makefile.in (lang_checks): Keep going if mkdir fails.
7792 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7794 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7795 be able to clean out basic block when not necessary.
7796 (df_scan_free): Fixed to properly delete information if df is
7797 unused before calling df_finish.
7798 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7799 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7800 or comment typos.
7801 (df_bb_refs_delete): New function.
7802 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7803 * df-core.c (df_set_blocks): Added code to properly clean out
7804 unused blocks if they are not part of the blocks to consider.
7805 Added additional null check.
7806 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7807 be able to clean out basic block when not necessary
7808 * df.h (df_free_bb_function): Ditto.
7809 (df_bb_refs_delete): New function.
7810 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7811 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7812 basic block parameter to be able to clean out basic block when not
7813 necessary.
7814 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7815 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7816 Fixed to properly delete information if df is unused before
7817 calling df_finish.
7819 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7821 PR rtl-optimization/25799
7822 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7823 Corrected confluence operator to remove bits from op2 before oring
7824 with op1 rather than removing bits from op1.
7825 (df_ru_transfer_function): Corrected test on wrong bitmap which
7826 caused infinite loop. Both of these problems were introduced in
7827 the dataflow rewrite.
7829 2006-01-19 DJ Delorie <dj@redhat.com>
7831 * reload1.c (find_reload_regs): Note the details of reload
7832 failures in the dump file.
7833 (spill_failure): Likewise.
7835 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7837 * loop-iv.c: Include df.h and hashtab.h.
7838 (enum iv_grd_result): New enum.
7839 (DF_REF_IV, DF_REF_IV_SET): New macros.
7840 (struct biv_entry): New.
7841 (df, bivs): New global variables.
7842 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7843 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7844 Removed.
7845 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7846 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7847 analyzed_for_bivness_p, record_biv): New functions.
7848 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7849 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7850 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7851 UD chains.
7852 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7853 analysed.
7854 (iv_number_of_iterations): Use new interface to iv analysis.
7855 * loop-unroll.c: Do not include varray.h.
7856 (analyze_iv_to_split_insn): Use new interface to iv
7857 analysis.
7858 * loop-unswitch.c (may_unswitch_on): Ditto.
7859 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7860 allocated.
7861 (df_bb_modify): Realloc tables to the new index.
7862 (df_find_use): New function.
7863 * df.h (df_find_use): Declare.
7864 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7865 outmode.
7866 * cfgloop.h (struct rtx_iv): Remove analysed field.
7867 (iv_get_reaching_def): Removed.
7868 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7869 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7870 (loop-iv.o): Add df.h and hashtab.h dependency.
7871 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7873 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7875 PR target/25668
7876 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7877 Double TFmode.
7878 (__floatundisf, __floatundidf): Likewise.
7879 * libgcc2.h (IS_IBM_EXTENDED): Define.
7881 2006-01-19 DJ Delorie <dj@redhat.com>
7883 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7885 2006-01-19 Paul Brook <paul@codesourcery.com>
7887 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7888 as nothrow when unwinding tables are disabled.
7890 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7892 PR testsuite/25171
7893 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7894 of bit-field" when in system header.
7896 2006-01-19 DJ Delorie <dj@redhat.com>
7898 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7899 the 16 bit shift limit of the m16c.
7901 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7903 PR target/22099
7904 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7905 * config/i386/i386.c (output_set_got): Output the label if we have one
7906 for the TARGET_DEEP_BRANCH_PREDICTION case.
7908 2006-01-19 Jan Hubicka <jh@suse.cz>
7909 H.J. Lu <hongjiu.lu@intel.com>
7910 Evandro Menezes <evandro.menezes@amd.com>
7912 * invoke.texi (generic): Document
7913 (i686) Update.
7914 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7915 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7916 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7917 (x86_use_incdec, x86_pad_returns): New variables
7918 (TARGET_CPU_DEFAULT_generic): New constant
7919 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7920 (enum processor_type): Add generic32 and generic64.
7921 * i386.md (cpu attribute): Add generic32/generic64
7922 (movhi splitter): Behave sanely when both partial_reg_dependency and
7923 partial_reg_stall are set.
7924 (K8 splitters): Enable for generic as well.
7925 * predicates.md (incdec_operand): Use TARGET_INCDEC
7926 (aligned_operand): Avoid memory mismatch stalls.
7927 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7928 * ppro.md: Enable for generic32
7929 * i386.c (generic64_cost, generic32_cost): New.
7930 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7931 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7932 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7933 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7934 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7935 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7936 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7937 x86_accumulate_outgoing_args, x86_prologue_using_move,
7938 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7939 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7940 Enable for generic.
7941 (x86_use_incdec, x86_pad_returns): New.
7942 (override_options): Add generic32 and generic64, translate "generic"
7943 to generic32/generic64 and "i686" to "generic32", refuse
7944 "generic32"/"generic64" as arch target.
7945 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7946 (ix86_reorg): Honor PAD_RETURNS.
7948 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7950 * tree-pretty-print.c (dump_generic_node): Handle
7951 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7952 * cgraph.c (cgraph_expand_queue): Rename from
7953 cgraph_analyze_queue. Update all users.
7954 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7955 cgraph_expand_queue.
7956 (cgraph_expand_all_functions): Likewise.
7957 (cgraph_finalize_pending_functions): Remove. Update callers.
7959 * tree.h (OMP_DIRECTIVE_P): Define.
7960 (OMP_PARALLEL_FN): Define.
7961 (OMP_PARALLEL_DATA_ARG): Define.
7962 (OMP_SECTIONS_SECTIONS): Define.
7963 * tree-pass.h (pass_expand_omp): Declare.
7964 * omp-low.c (struct omp_region): Declare.
7965 (struct omp_context): Remove fields 'parallel_type',
7966 'parallel_start_ix' and 'parallel_start_additional_args'.
7967 Update all users.
7968 (struct omp_for_data): Rename from struct expand_omp_for_data.
7969 (omp_regions): New static variable.
7970 (root_omp_region): New static variable.
7971 (find_omp_clause): Make static.
7972 (is_in_combined_parallel_ctx): Remove.
7973 (is_combined_parallel): New.
7974 (extract_omp_for_data): Move earlier in the file.
7975 (workshare_safe_to_combine_p): New.
7976 (get_ws_args_for): New.
7977 (determine_parallel_type): Move earlier in the file.
7978 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7979 child function.
7980 (omp_copy_decl): Likewise.
7981 (create_omp_child_function): Likewise.
7982 (lookup_omp_region): New.
7983 (dump_omp_region): New.
7984 (debug_omp_region): New.
7985 (debug_all_omp_regions): New.
7986 (new_omp_region): New.
7987 (scan_omp_parallel): If parallel_nesting_level > 1, the
7988 directive is nested within another parallel directive.
7989 Set OMP_PARALLEL_FN.
7990 (scan_omp_for): Do not try to handle combined parallel+for
7991 cases.
7992 Remove FIXME comment.
7993 (scan_omp_nested): Remove.
7994 (scan_omp_1): Do not call scan_omp_nested when
7995 parallel_nesting_level is > 1.
7996 Do not change the DECL_CONTEXT of local variables found.
7997 (lookup_decl_in_outer_ctx): New.
7998 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7999 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8000 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8001 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8002 If CTX is nested, lookup VAR in the outer context when
8003 building copy assignment.
8004 (lower_send_clauses): Rename from expand_send_clauses.
8005 If CTX is nested, lookup VAR in the outer context when
8006 building copy assignments.
8007 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8008 If CTX is nested, lookup VAR in the outer context when
8009 building copy assignments.
8010 (expand_parallel_call): Rename from build_parallel_call.
8011 Handle combined parallel+workshare cases.
8012 Re-implement to emit code into the CFG.
8013 (list2chain): New.
8014 (expand_omp_parallel): Re-implement to emit code into the CFG.
8015 Call move_sese_region_to_fn to outline the sub-graph
8016 containing the parallel region.
8017 (expand_omp_for_1): Remove.
8018 (expand_omp_for_generic): Re-implement to emit code into the
8019 CFG.
8020 (expand_omp_for_static_nochunk): Likewise.
8021 (expand_omp_for_static_chunk): Likewise.
8022 (expand_omp_for): Likewise.
8023 (expand_omp_sections): Likewise.
8024 (remove_exit_barriers): New.
8025 (expand_omp_synch): New.
8026 (expand_omp): New.
8027 (build_omp_regions_1): New.
8028 (build_omp_regions): New.
8029 (execute_expand_omp): New.
8030 (gate_expand_omp): New.
8031 (pass_expand_omp): Define.
8032 (lower_omp_sections): Rename from expand_omp_sections.
8033 Set OMP_SECTIONS_SECTIONS.
8034 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8035 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8036 (lower_omp_single): Rename from expand_omp_simple.
8037 (lower_omp_master): Rename from expand_omp_master.
8038 (lower_omp_ordered): Rename from expand_omp_ordered.
8039 (lower_omp_critical): Rename from expand_omp_critical.
8040 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8041 (lower_omp_for): Re-implement.
8042 (lower_omp_parallel): Re-implement.
8043 (lower_regimplify): Rename from expand_regimplify.
8044 (lower_omp_1): Rename from expand_omp_1.
8045 If there are syntax errors in the program, replace every
8046 OpenMP directive with NOP.
8047 Call lower_omp_* instead of expand_omp_*.
8048 (lower_omp): Rename from expand_omp.
8050 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8051 * tree-gimple.h (enum omp_parallel_type): Remove.
8052 (gimple_boolify): Declare extern.
8053 (find_omp_clause, determine_parallel_type): Remove.
8055 * gimple-low.c (lower_omp_directive): New.
8056 (lower_stmt): Call it.
8057 (record_vars_into): Move from ...
8058 (record_vars): ... here.
8059 Call record_vars_into with current_function_decl.
8061 * gimplify.c (struct gimplify_ctx): Remove fields
8062 combined_pre_p and combined_ctxp. Update users.
8063 (get_formal_tmp_var): Add documentation.
8064 (gimple_boolify): Make extern.
8065 (gimplify_expr_in_ctx): Remove. Update callers.
8066 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8067 will always be a BIND_EXPR.
8068 (gimplify_expr): Handle OMP_RETURN_EXPR.
8069 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8070 (OMP_PARALLEL): Add 3 operands.
8071 (OMP_SECTIONS): Add 1 operand.
8072 (OMP_RETURN_EXPR): Define.
8074 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8075 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8076 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8077 creating a circular free list.
8078 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8080 * tree-flow.h (move_sese_region_to_fn): Declare.
8081 (record_vars_into): Declare.
8082 * tree-cfg.c (make_omp_sections_edges): New.
8083 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8084 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8085 OMP_SECTIONS and OMP_SECTION.
8086 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8087 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8088 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8089 (gather_blocks_in_sese_region): New.
8090 (struct move_stmt_d): Declare.
8091 (move_stmt_r): New.
8092 (move_block_to_fn): New.
8093 (move_sese_region_to_fn): New.
8095 * passes.c (init_optimization_passes): Schedule
8096 pass_expand_omp after pass_init_datastructures.
8098 * tree-ssa-operands.c (get_expr_operands): Handle
8099 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8100 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8102 2006-01-19 Jeff Law <law@redhat.com>
8104 * tree-vrp.c (extract_range_from_assert): Refine the result range
8105 if the variable referenced by the ASSERT_EXPR has a range and
8106 either the tentative result range or the previous range is a
8107 VR_ANTI_RANGE.
8109 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8111 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8113 2006-01-19 Jan Hubicka <jh@suse.cz>
8115 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8117 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8119 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8120 (expand_compound_operation, expand_field_assignment): Fail if the
8121 bit lengths of an extract operation are out of range.
8122 (make_extraction): Compute wanted_inner_mode based on the position
8123 and length of the extraction. Make it extraction_mode for non-constant
8124 positions, and do not modify offset in that case. When generating a
8125 new MEM, use a mode that can hold the extraction while keeping correct
8126 alignment. Remove code that supported MEMs wrapped by USEs.
8127 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8129 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8131 * config/s390/s390.md ("Y", "y"): New mode attribute.
8132 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8133 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8134 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8135 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8136 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8137 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8138 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8139 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8140 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8141 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8142 "addsi3", "subsi3"): Insn patterns removed.
8143 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8144 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8145 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8146 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8147 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8148 "*sub<mode>3_cconly2"): New insn patterns.
8149 ("addsi3", "subsi3"): New expanders.
8151 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8153 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8154 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8155 existing STMT_VINFO_VECTYPE if available.
8156 (vect_mark_relevant): Add special handling for stmts that are
8157 marked as STMT_VINFO_IN_PATTERN_P.
8158 (vect_analyze_loop): Call vect_pattern_recog.
8159 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8160 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8161 stmt_info.
8162 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8163 (vect_recog_func_ptr): New function-pointer type.
8164 * tree-vect-patterns.c: New file.
8165 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8166 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8167 (vect_pattern_recog_1): New functions.
8168 (vect_pattern_recog_funcs): New array of function pointers.
8170 * tree-vectorizer.h (ternary_op): New enum value.
8171 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8172 declaration. Revised documentation. Removed redundant dump prints.
8173 Removed redundant argument. Added support for reduction patterns.
8174 (vectorizable_reduction): Added support for reduction patterns.
8175 (vect_transform_stmt): Added support for patterns.
8177 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8178 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8179 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8180 (expand_widen_pattern_expr): New function.
8181 (init_optabs): Initialize new optabs udot_prod_optab,
8182 sdot_prod_optab.
8183 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8184 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8185 (expand_widen_pattern_expr): New function declaration.
8186 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8187 tree-codes.
8188 * tree-inline.c (estimate_num_insns_1): Added cases for new
8189 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8190 * tree-pretty-print.c (dump_generic_node): Likewise.
8191 (op_prio): Likewise.
8192 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8193 * tree-ssa-operands.c (get_expr_operands): Added case for
8194 DOT_PROD_EXPR.
8195 * tree-vect-patterns.c (widened_name_p): New function.
8196 (vect_recog_dot_prod_pattern): Added function implementation.
8197 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8198 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8199 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8200 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8202 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8203 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8204 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8205 (init_optabs): Initialize new optabs widen_ssum_optab,
8206 widen_usum_optab.
8207 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8208 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8209 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8210 use instead of type of def.
8211 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8212 function implementation.
8213 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8214 widen_ssumv8hi): New.
8216 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8217 patterns.
8219 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8221 PR c/25805
8222 * c-decl.c (add_flexible_array_elts_to_size): New function.
8223 (finish_decl): Use it.
8225 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8227 * diagnostic.h: Include options.h.
8228 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8229 dependancies for diagnostic.h.
8230 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8232 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8234 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8235 (ssa_ro_call_cache_valid): Ditto.
8236 * tree-ssa-alias.c (sort_tags_by_id): New function.
8237 (init_transitive_clobber_worklist): Ditto.
8238 (add_to_worklist): Ditto.
8239 (mark_aliases_call_clobbered): Ditto.
8240 (compute_tag_properties): Ditto.
8241 (set_initial_properties): Ditto.
8242 (compute_call_clobbered): Ditto.
8243 (compute_may_aliases): Call compute_call_clobbered and grouping.
8244 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8245 (compute_flow_insensitive_aliasing): Grouping now happens in our
8246 caller.
8247 (setup_pointers_and_addressables): Remove clobbering related code.
8248 (add_may_alias): Ditto.
8249 (replace_may_alias): Ditto.
8250 (get_nmt_for): Ditto.
8251 (create_global_var):
8252 (is_escape_site): Return an escape_type enumeration.
8253 * tree-flow-inline.h (is_call_clobbered): Global var does not
8254 imply call clobbered.
8255 (mark_call_clobbered): Take a reason for marking this. Remove
8256 marking of globalness, and cache invalidation.
8257 (clear_call_clobbered): Remove cache invalidation code.
8258 * tree-dfa.c (dump_variable): If details is on, dump the reason
8259 for escaping.
8260 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8261 variable.
8262 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8263 (struct var_ann_d): Ditto.
8264 (enum escape_type): New.
8265 (mark_call_clobbered): Adjust prototype.
8266 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8267 are never call clobbered.
8268 Record reasons for escaping.
8269 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8270 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8271 (ssa_ro_call_cache_valid): Ditto.
8272 (clobbered_v_may_defs): Ditto.
8273 (clobbered_vuses): Ditto.
8274 (ro_call_vuses): Ditto.
8275 (clobber_stats): New.
8276 (init_ssa_operands): Zero out clobber stats.
8277 (fini_ssa_operands): Print out clobber stats.
8278 (get_call_expr_operands): Pass callee fndecl to
8279 add_call_read_ops).
8280 (add_call_clobber_ops): Remove use of cache.
8281 Add use of PURE_CONST information.
8282 (add_call_read_ops): Remove use of cache.
8283 Add use of static not_read information.
8285 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8287 Introduce TLS descriptors for i386 and x86_64.
8288 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8289 (TARGET_ANY_GNU_TLS): New macro.
8290 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8291 (struct machine_function): Add tls_descriptor_call_expanded_p.
8292 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8293 (ix86_current_function_calls_tls_descriptor): Likewise.
8294 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8295 (override_options): Introduce gnu2 tls dialect.
8296 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8297 not leaves.
8298 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8299 Likewise.
8300 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8301 (ix86_init_machine_status): Initialize new field.
8302 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8303 (ix86_tls_module_base): New.
8304 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8305 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8306 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8307 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8308 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8309 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8310 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8311 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8312 * config/i386/predicates.md (tls_modbase_operand): New.
8313 (tp_or_register_operand): New.
8315 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8317 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8318 (look_for_address_of): Ditto.
8319 (ipa_init): Walk the function decls.
8320 (static_execute): Don't set readonly on FUNCTION_DECL's.
8322 2006-01-18 Roger Sayle <roger@eyesopen.com>
8324 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8325 for shifts where the source and destination registers are different.
8327 2006-01-18 Paul Brook <paul@codesourcery.com>
8329 Merge from csl-arm-branch.
8330 2005-03-14 Julian Brown <julian@codesourcery.com>
8331 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8332 (aeabi_llsl): Likewise.
8333 (ashrdi3): Likewise.
8334 (aeabi_lasr): Likewise.
8335 (lshrdi3): Likewise.
8336 (aeabi_llsr): Likewise.
8337 2005-03-10 Julian Brown <julian@codesourcery.com>
8338 * config.gcc: Disable shared libgcc for SymbianOS.
8339 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8341 2006-01-18 DJ Delorie <dj@redhat.com>
8343 * c-pragma.c (handle_pragma_diagnostic): New.
8344 (init_pragma): Register it.
8345 * doc/extend.texi: Document it.
8347 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8348 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8349 (diagnostic_context): Add classify_diagnostic[].
8350 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8351 as errors if they're overridden to DK_WARNING.
8352 (diagnostic_initialize): Initialize classify_diagnostic[].
8353 (diagnostic_set_kind_override): New.
8354 (diagnostic_report_diagnostic): Check for kind changes.
8355 * opts.c (common_handle_option): Take lang_mask. Update callers.
8356 Handle OPT_Werror_.
8357 * common.opt (Werror=): New.
8358 * doc/invoke.texi: Document -Werror=*
8360 2006-01-18 Jeff Law <law@redhat.com>
8362 * tree-vrp.c (test_for_singularity): Correct test for new
8363 min limit. Use operand_equal_p rather than pointer equality
8364 for testing if new min/max values are equal.
8366 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8367 using range information until after propagation and folding.
8369 2006-01-18 Richard Henderson <rth@redhat.com>
8370 Aldy Hernandez <aldyh@redhat.com>
8371 Jakub Jelinek <jakub@redhat.com>
8372 Diego Novillo <dnovillo@redhat.com>
8374 * omp-low.c: New file.
8375 * c-omp.c: New file.
8377 2006-01-18 Richard Henderson <rth@redhat.com>
8378 Jakub Jelinek <jakub@redhat.com>
8379 Diego Novillo <dnovillo@redhat.com>
8381 * doc/invoke.texi: Document -fopenmp.
8382 * tree-dump.h (debug_function): Declare.
8383 * hooks.c (hook_bool_tree_bool_false): New function.
8384 (hook_tree_tree_null): Remove.
8385 (hook_tree_tree_tree_null): New.
8386 * hooks.h: Update to match.
8387 * tree-pretty-print.c (debug_tree_chain): New.
8388 (print_generic_expr): Handle TDF_CHAIN.
8389 (dump_generic_node): Handle BLOCK.
8390 Do not abort with incomplete SWITCH_EXPRs.
8391 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8392 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8393 print space after directive name.
8394 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8395 Handle OMP_MASTER and OMP_ORDERED.
8396 Handle printing of OMP_BODY just in one place, goto
8397 dump_omp_body in the rest of OMP_* nodes that have
8398 OMP_BODY.
8399 Don't handle clause nodes here. Update omp statements to
8400 use dump_omp_clauses.
8401 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8402 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8403 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8404 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8405 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8406 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8407 Adjust output for GOMP_PARALLEL.
8408 (dump_omp_clauses): New.
8409 (print_declaration): Dump DECL_VALUE_EXPR.
8410 (op_symbol_1): Split out of op_symbol.
8411 (dumping_stmts): Remove. Update all users.
8412 * cgraph.c (cgraph_analyze_queue): New.
8413 (cgraph_add_new_function): New.
8414 * cgraph.h (cgraph_analyze_queue): Declare.
8415 (cgraph_add_new_function): Declare.
8416 (cgraph_lower_function): Remove.
8417 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8418 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8419 and TYPE_P nodes in its default clause.
8420 (empty_body_p): New.
8421 (tree_range_check_failed): New.
8422 (build5_stat): New.
8423 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8424 OMP_CLAUSE_REDUCTION_MERGE,
8425 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8426 OMP_CLAUSE_PRIVATE_DEBUG,
8427 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8428 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8429 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8430 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8431 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8432 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8433 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8434 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8435 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8436 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8437 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8438 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8439 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8440 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8441 (TREE_RANGE_CHECK): New.
8442 (empty_body_p): Declare.
8443 (enum omp_clause_default_kind): New.
8444 (build_string_literal): Declare.
8445 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8446 (build5_stat, build5): Declare.
8447 * tree-pass.h (TDF_CHAIN): Define.
8448 * tree-pass.h (PROP_gimple_lomp): Define.
8449 (pass_lower_omp): Declare.
8450 * diagnostic.h (debug_tree_chain): Declare.
8451 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8452 mode_for_size.
8453 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8454 * builtins.c (build_string_literal): Make extern.
8455 * gcc.c (include_spec_function): New.
8456 (static_spec_functions): Add it.
8457 (main): Move load of libgomp.spec ...
8458 (LINK_COMMAND_SPEC): ... here.
8459 (link_gomp_spec): New.
8460 (static_specs): Include it.
8461 (LINK_COMMAND_SPEC): Add link_gomp.
8462 (GOMP_SELF_SPECS): New.
8463 (driver_self_specs): Include it.
8464 (switch_matches): Don't mark inline.
8465 (main): Load libgomp.spec.
8466 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8467 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8468 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8469 * tree-gimple.h (enum omp_parallel): Declare.
8470 (determine_parallel_type): Declare.
8471 (omp_firstprivatize_variable): Declare.
8472 (omp_reduction_init): Declare.
8473 (diagnose_omp_structured_block_errors): Declare.
8474 (struct walk_stmt_info): Add want_return_expr.
8475 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8476 (find_omp_clause): Declare.
8477 (insert_field_into_struct): Declare.
8478 (struct walk_stmt_info): Move from tree-nested.c
8479 (walk_stmts): Declare.
8480 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8481 to 200505.
8482 * cgraphunit.c (cgraph_lower_function): Make static.
8483 (cgraph_finalize_pending_functions): New.
8484 (cgraph_finalize_function): Call it.
8485 (cgraph_finalize_compilation_unit): Likewise.
8486 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8487 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8488 (BT_FN_UINT_UINT): New.
8489 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8490 DEF_FUNCTION_TYPE_VAR_4): Document.
8491 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8492 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8493 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8494 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8495 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8496 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8497 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8498 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8499 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8500 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8501 into separate files.
8502 (DEF_GOMP_BUILTIN): New.
8503 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8504 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8505 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8506 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8507 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8508 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8509 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8510 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8511 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8512 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8513 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8514 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8515 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8516 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8517 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8518 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8519 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8520 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8521 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8522 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8523 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8524 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8525 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8526 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8527 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8528 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8529 * sync-builtins.def: New file, moved from builtins.def.
8530 * omp-builtins.def: New file, moved from builtins.def.
8531 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8532 * gimple-low.c (lower_function_body): Clear data.
8533 (lower_stmt): Do not handle COMPOUND_EXPR.
8534 Remove call to print_node_brief.
8535 * c-tree.h (c_finish_omp_clauses): New prototype.
8536 (C_DECL_THREADPRIVATE_P): Define.
8537 (lookup_name_no_remap, c_omp_remap_private): Remove
8538 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8539 (check_for_loop_decls): Update decl.
8540 (lookup_name_no_remap, c_omp_remap_private): Declare.
8541 (build_indirect_ref, build_modify_expr, pushdecl,
8542 pushdecl_top_level): Move to c-common.h.
8543 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8544 before the switch, but just in the 2 places that need it.
8545 * c-decl.c (diagnose_mismatched_decls): Do not check for
8546 mismatched thread-local attributes when OLDDECL is marked
8547 threadprivate and NEWDECL has no thread-local attributes.
8548 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8549 (c_gimple_diagnostics_recursively): Rename from
8550 c_warn_unused_result_recursively. Invoke
8551 diagnose_omp_structured_block_errors.
8552 (check_for_loop_decls): Return a singular decl found.
8553 * langhooks.c (lhd_omp_predetermined_sharing): Return
8554 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8555 (lhd_omp_firstprivatize_type_sizes): New.
8556 (lhd_omp_assignment): New.
8557 (lhd_omp_predetermined_sharing): New.
8558 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8559 (struct lang_hooks_for_types): Add
8560 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8561 omp_predetermined_sharing, omp_disregard_value_expr,
8562 omp_private_debug_clause, omp_clause_default_ctor,
8563 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8564 (c_finish_omp_clauses): New.
8565 (c_finish_bc_stmt): Diagnose break within omp for.
8566 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8567 (build_unary_op): Return error_mark after reporting
8568 a readonly_error.
8569 (build_modify_expr): Likewise.
8570 * gimplify.c: Include optabs.h and pointer-set.h.
8571 (enum gimplify_omp_var_data): Declare.
8572 (struct gimplify_omp_ctx): Declare.
8573 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8574 and combined_ctxp.
8575 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8576 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8577 (splay_tree_compare_decl_uid): New.
8578 (new_omp_context): New.
8579 (delete_omp_context): New.
8580 (gimple_add_tmp_var): Call omp_add_variable.
8581 (gimplify_bind_expr): Likewise.
8582 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8583 true, disregard DECL_VALUE_EXPR on the decl if any.
8584 (gimplify_expr_in_ctx): New.
8585 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8586 omp_add_variable, omp_notice_variable, omp_is_private
8587 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8588 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8589 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8590 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8591 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8592 gimplify_omp_atomic): New.
8593 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8594 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8595 OMP_CRITICAL and OMP_ATOMIC.
8596 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8597 * c-pragma.h (enum pragma_kind): Add
8598 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8599 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8600 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8601 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8602 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8603 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8604 PRAGMA_OMP_THREADPRIVATE.
8605 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8606 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8607 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8608 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8609 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8610 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8611 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8612 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8613 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8614 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8615 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8616 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8617 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8618 OpenMP directives.
8619 (struct nesting_info): Add field_map,
8620 suppress_expansion, debug_var_chain.
8621 (create_nesting_tree): Initialize them.
8622 (lookup_field_for_decl): Use field_map.
8623 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8624 (convert_local_omp_clauses): New.
8625 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8626 (walk_body): Split out of walk_function.
8627 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8628 (convert_nonlocal_reference): Handle omp statements.
8629 (convert_local_reference): Likewise.
8630 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8631 (unnest_nesting_tree): New.
8632 (lower_nested_functions): Call it.
8633 (insert_field_into_struct): Make extern.
8634 (struct walk_stmt_info): Move to tree-gimple.h.
8635 (walk_stmts): Make extern.
8636 * omp-builtins.def: New file.
8637 * tree-iterator.c (expr_only): Clarify comment.
8638 * c-common.h (pushdecl_top_level, pushdecl,
8639 build_modify_expr, build_indirect_ref,
8640 c_finish_omp_master, c_finish_omp_critical,
8641 c_finish_omp_ordered, c_finish_omp_barrier,
8642 c_finish_omp_atomic, c_finish_omp_flush,
8643 c_finish_omp_for, c_split_parallel_clauses,
8644 omp_clause_default_kind, c_omp_sharing_predetermined,
8645 c_omp_remap_decl): Declare.
8646 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8647 (OBJS-common): Add omp-low.o.
8648 (c-omp.o, omp-low.o): Add.
8649 (gimplify.o): Add dependency on $(OPTABS_H).
8650 (GTFILES): Add omp-low.c.
8651 (gt-stringpool.h): Add.
8652 * tree-cfg.c (set_bb_for_stmt): Do not update the
8653 block-to-labels map if we are currently expanding to RTL.
8654 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8655 checks.
8656 Handle IDENTIFIER_NODE.
8657 (tree_verify_flow_info): Do not ICE when emitting error
8658 messages about invalid labels.
8659 (dump_function_to_file): Reset CFUN before emitting the body
8660 of the function.
8661 (debug_function): New.
8662 * passes.c (init_optimization_passes): Schedule
8663 pass_lower_omp.
8664 * langhooks-def.h (lhd_omp_predetermined_sharing,
8665 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8666 Declare.
8667 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8668 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8669 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8670 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8671 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8672 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8673 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8674 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8675 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8676 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8677 (LANG_HOOK_DECLS): Use them.
8679 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8680 Richard Henderson <rth@redhat.com>
8681 Jakub Jelinek <jakub@redhat.com>
8682 Diego Novillo <dnovillo@redhat.com>
8684 * c-parser.c (pragma_omp_clause): Define.
8685 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8686 (c_parser_compound_statement): Likewise.
8687 (c_parser_statement): Likewise.
8688 (c_parser_pragma): Handle omp pragmas.
8689 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8690 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8691 (c_parser_omp_clause_name, check_no_duplicate_clause,
8692 c_parser_omp_variable_list,
8693 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8694 c_parser_omp_clause_copyprivate,
8695 c_parser_omp_clause_default,
8696 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8697 c_parser_omp_clause_lastprivate,
8698 c_parser_omp_clause_nowait,
8699 c_parser_omp_clause_num_threads,
8700 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8701 c_parser_omp_clause_reduction,
8702 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8703 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8704 c_parser_omp_atomic, c_parser_omp_barrier,
8705 c_parser_omp_critical, c_parser_omp_flush,
8706 c_parser_omp_for_loop, c_parser_omp_for,
8707 c_parser_omp_master, c_parser_omp_ordered,
8708 c_parser_omp_sections_scope, c_parser_omp_sections,
8709 c_parser_omp_parallel, c_parser_omp_single,
8710 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8711 * c-pragma.c (init_pragma): Do omp pragma registration here.
8712 * c.opt (fopenmp): New flag.
8714 2006-01-18 Eric Christopher <echristo@apple.com>
8716 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8717 * config/darwin.h (GOMP_SELF_SPECS): Define.
8719 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8721 * rtl.h: Remove the prototype for reg_alloc.
8723 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8725 PR target/25731
8726 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8727 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8728 sjlj and dwarf2 exception handling.
8729 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8730 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8731 * pa/pa.c (function_value): Treat complex and vector types as
8732 aggregates.
8733 (function_arg): Likewise. Only pass scalar floats in the floating
8734 point argument registers.
8735 * pa/t-slibgcc-dwarf-ver: New file.
8736 * pa/t-slibgcc-sjlj-ver: New file.
8737 * pa/t-slibgcc-elf-ver: Delete file.
8739 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8741 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8742 unlikely_test_section_p test.
8744 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8746 * mode-switching.c (optimize_mode_switching): Make it static.
8747 * basic-block.h: Remove the prototype for
8748 optimize_mode_switching.
8750 * modulo-sched.c (sms_schedule): Make it static.
8751 * rtl.h: Remove the prototype for sms_schedule.
8753 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8754 * rtl.h: Remove the prototype for gcse_after_reload_main.
8756 * reg-stack.c (reg_to_stack): Make it static.
8757 * rtl.h: Remove the prototype for reg_to_stack.
8759 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8760 Make them static.
8761 * rtl.h: Remove the prototypes for regrename_optimize and
8762 copyprop_hardreg_forward.
8764 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8766 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8767 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8768 Test against the appropriate null constant for the mode.
8769 If 'fixup_overlap' is true, swap the operands if they overlap.
8770 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8771 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8772 alpha_split_tmode_pair and adjust for above change.
8773 * config/alpha/alpha.md (movtf_internal): Adjust call to
8774 alpha_split_tfmode_pair and rely on it to swap the operands.
8775 (movti_internal): New insn and post-reload splitter.
8776 (movti): New expander.
8778 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8780 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8781 operands.
8783 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8785 * rtlanal.c (global_reg_mentioned_p_1,
8786 global_reg_mentioned_p): Remove.
8787 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8789 * flow.c (initialize_uninitialized_subregs): Make it static.
8790 * rtl.h: Remove the prototype for
8791 initialize_uninitialized_subregs.
8793 * function.c (instantiate_virtual_regs): Make it static.
8794 * function.h: Remove the prototype for
8795 instantiate_virtual_regs.
8797 * regmove.c (regmove_optimize, combine_stack_adjustments):
8798 Make them static.
8799 * rtl.h: Remove the prototypes for regmove_optimize and
8800 combine_stack_adjustments.
8802 2006-01-17 Roger Sayle <roger@eyesopen.com>
8804 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8805 (size_cost): Encode costs in bytes so that a reg-reg addition is
8806 equivalent to COSTS_N_INSNS(1).
8807 (override_options): Use the size_cost.branch_cost as the default
8808 ix86_branch_cost when optimizing for size.
8810 2006-01-18 Ben Elliston <bje@au.ibm.com>
8812 * Makefile.in (D32PBIT_FUNCS): New.
8813 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8814 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8815 D64PBIT_FUNCS and D128PBIT_FUNCS.
8816 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8817 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8818 D128PBIT are set.
8819 (decnumber_dep): Define.
8820 * doc/libgcc.texi (Decimal float library routines): New node.
8821 * config/dfp-bit.h, config/dfp-bit.c: New files.
8823 2006-01-18 Ben Elliston <bje@au.ibm.com>
8825 * expr.c (emit_move_change_mode): Always adjust addresses, not
8826 just during reload. Copy replacements only during reload.
8827 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8828 emit_move_via_integer.
8830 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8832 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8833 instead of $(srcdir) and ${srcdir}.
8835 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8837 PR target/592
8838 PR middle-end/11135
8839 * arm.h (struct machine_function): Add pic_reg.
8840 * arm.c (arm_pic_register): Make unsigned.
8841 (arm_override_options): Only set arm_pic_register if
8842 TARGET_SINGLE_PIC_BASE.
8843 (use_return_insn): Only test for a pic register if it is fixed.
8844 (arm_compute_save_reg0_reg12_mask): Likewise.
8845 (thumb_compute_save_reg_mask): Likewise.
8846 (legitimate_pic_operand): Factor out some known invariants.
8847 (legitimize_pic_address): If we don't have a fixed pic register,
8848 then set up a pseudo in the function entry sequence. Handle the
8849 pic base being in a pseudo.
8850 (arm_load_pic_register): Handle the pic register being in a pseudo.
8851 (arm_expand_prologue): Only set up the pic register if it is fixed.
8852 (thumb_expand_prologue): Likewise.
8853 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8854 (pic_load_addr_based_insn): Likewise.
8855 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8856 fixed.
8858 2006-01-18 Ben Elliston <bje@au.ibm.com>
8860 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8861 decimal float modes for all floating point registers.
8863 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8864 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8866 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8868 PR c/25682
8869 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8870 even when the pointer is not NULL.
8872 2006-01-16 Ian Lance Taylor <ian@airs.com>
8874 * common.opt (ftoplevel-reorder): New option.
8875 * cgraph.c (cgraph_asm_nodes): New global variable.
8876 (cgraph_asm_last_node): New static variable.
8877 (cgraph_order): New global variable.
8878 (cgraph_create_node): Set new order field.
8879 (cgraph_varpool_node): Likewise.
8880 (decide_is_variable_needed): Return true if not
8881 flag_toplevel_reorder.
8882 (cgraph_add_asm_node): New function.
8883 * cgraph.h (struct cgraph_node): Add order field.
8884 (struct cgraph_varpool_node): Add order field.
8885 (struct cgraph_asm_node): Define.
8886 (cgraph_asm_nodes, cgraph_order): Declare.
8887 (cgraph_add_asm_node): Declare.
8888 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8889 function.
8890 (cgraph_varpool_assemble_pending_decls): Call it.
8891 (cgraph_output_pending_asms): New static function.
8892 (cgraph_finalize_compilation_unit): Call it.
8893 (struct cgraph_order_sort): Define.
8894 (cgraph_output_in_order): New static function.
8895 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8896 !flag_toplevel_reorder case.
8897 * c-parser.c: Include "cgraph.h".
8898 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8899 assemble_asm.
8900 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8901 than -fno-unit-at-a-time.
8902 * doc/invoke.texi (Option Summary): Mention
8903 -fno-toplevel-reorder.
8904 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8905 -funit-at-a-time documentation.
8907 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8908 Kazu Hirata <kazu@codesourcery.com>
8910 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8912 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8914 * Makefile.in (FUNCTION_H): New. Use it instead of
8915 function.h throughout the file.
8916 * function.h: Include tree.h.
8918 2006-01-17 Ben Elliston <bje@au.ibm.com>
8920 * recog.c: Separate some functions with whitespace.
8922 2006-01-16 Richard Henderson <rth@redhat.com>
8924 Merge from gomp branch:
8925 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8926 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8927 and rename from struct inline_data. Rename callee* to dst*;
8928 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8929 transform_new_cfg, transform_return_to_modify, and
8930 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8931 update_clones_p.
8932 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8933 (copy_decl_for_dup): Remove.
8934 * tree-inline.c (struct inline_data): Move to header.
8935 (insert_decl_map): Export.
8936 (remap_decl): Update for member name changes. Use copy_decl hook.
8937 Allow for replacement to be a non-decl. Remove dead code.
8938 (remap_type_1): Check for existing mapping.
8939 (remap_type): Export.
8940 (remap_decls): Update for member name changes.
8941 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8942 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8943 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8944 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8945 (tree_function_versioning, build_duplicate_type): Likewise.
8946 (copy_body_r): Likewise. Export.
8947 (copy_decl_for_dup): Split into ...
8948 (copy_decl_for_dup_finish, copy_decl_to_var,
8949 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8950 (replace_ref_tree, inlining_p): Remove.
8952 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8954 * ifcvt.c (if_convert): Make it static.
8955 * rtl.h: Remove the prototype for if_convert.
8957 * local-alloc.c (local_alloc): Make it static.
8958 * rtl.h: Remove the prototype for local_alloc.
8960 * loop.c (loop_optimize): Make it static.
8961 * cfgloop.h: Remove the prototype for loop_optimize.
8962 * rtl.h: Likewise.
8964 2006-01-16 DJ Delorie <dj@redhat.com>
8966 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8967 mems.
8969 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8971 * pa.md: Disparage copies between general and floating-point registers
8972 in 32-bit move patterns.
8974 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8976 PR testsuite/25741
8977 * Makefile.in (check-%): Depend on site.exp instead of
8978 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8979 directories.
8981 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8983 * global.c (global_alloc): Make it static.
8984 * rtl.h: Remove the prototype for global_alloc.
8986 2006-01-16 Richard Guenther <rguenther@suse.de>
8988 * tree-ssa-alias.c (struct used_part): Add write_only field.
8989 (get_or_create_used_part_for): Initialize it to true.
8990 (create_overlap_variables_for): Don't create structure variables
8991 for structures that only are written to.
8992 (find_used_portions): Handle MODIFY_EXPR to track whether a
8993 structure is only written to.
8995 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8997 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8998 static.
8999 * basic-block.h: Remove the prototype for
9000 partition_hot_cold_basic_blocks.
9002 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9004 * cppspec.c (lang_specific_spec_functions): Remove.
9005 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9006 * gcc.h (lang_specific_spec_functions): Remove.
9007 * gccspec.c (lang_specific_spec_functions): Remove.
9009 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9011 * combine.c (record_value_for_reg): Invalidate registers
9012 if INSN is null.
9013 (record_dead_and_set_regs_1): Likewise, by passing them to
9014 record_value_for_reg.
9015 (record_dead_and_set_regs): Invalidate stores made by a
9016 call. We do not combine across a call, but we still
9017 relied on equivalences.
9019 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9021 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9022 vrp_int_const_binop returning non-constant nodes.
9024 2006-01-16 Paul Brook <paul@codesourcery.com>
9026 * config/m68k/m68k.c (output_move_const_into_data_reg):
9027 Output correct mnemonic for mvz and mvs.
9029 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9031 * rtl-factoring.c: Add sequence abstraction algorithm.
9032 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9033 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9034 ABNORMAL edges.
9035 (block_has_preserve_label): New function.
9036 * common.opt: Register new pass.
9037 * Makefile.in: Ditto.
9038 * passes.c: Ditto.
9039 * timevar.def: Ditto.
9040 * tree-pass.h: Ditto.
9041 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9042 * rtl.h (make_jump_insn_raw): Add forward decl.
9043 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9045 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9046 Roger Sayle <roger@eyesopen.com>
9048 * fold-const.c (fold_minmax): New static function.
9049 (fold_binary) <MIN_EXPR>: Call it.
9050 <MAX_EXPR>: Likewise.
9051 * stor-layout.c (place_field): Use DECL_SIZE consistently
9052 in the computation of the new record size.
9054 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9056 * cse.c (cse_condition_code_reg): Make it static.
9057 * rtl.h: Remove the prototype for cse_condition_code_reg.
9059 * combine.c (combine_instructions): Make it static.
9060 * rtl.h: Remove the prototype for combine_instructions.
9062 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9064 PR target/25168
9065 * tree.c (get_file_function_name_long): Concatenate the first global
9066 object name with a string derived from the input filename of the object
9067 for type "F".
9069 2006-01-16 Ben Elliston <bje@au.ibm.com>
9071 * config/i386/winnt-stubs.c: Update FSF address.
9072 * config/xtensa/ieee754-df.S: Ditto.
9073 * config/xtensa/ieee754-sf.S: Ditto.
9075 2006-01-14 Ian Lance Taylor <ian@airs.com>
9077 * ifcvt.c (noce_init_if_info): New static function, broken out of
9078 noce_process_if_block.
9079 (noce_process_if_block): Call noce_init_if_info.
9080 (check_cond_move_block): New static function.
9081 (cond_move_process_if_block): New static function.
9082 (process_if_block): Call cond_move_process_if_block.
9084 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9086 * cselib.c (hash_table): Rename to cselib_hash_table.
9087 (cselib_clear_table, discard_useless_values,
9088 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9089 cselib_init, cselib_finish): Adjust uses of hash_table.
9091 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9093 PR tree-optimization/25485
9094 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9095 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9096 is known to be false and true, respectively.
9098 2006-01-14 Richard Guenther <rguenther@suse.de>
9100 PR tree-optimization/22548
9101 PR tree-optimization/22555
9102 PR tree-optimization/22501
9103 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9104 * params.def (salias-max-array-elements): New parameter.
9105 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9106 * doc/invoke.texi (salias-max-array-elements): Document.
9107 * tree-flow-inline.h (var_can_have_subvars): We also handle
9108 arrays now.
9109 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9110 COMPONENT_REF.
9111 * tree-ssa-structalias.c (params.h): Include.
9112 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9113 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9114 (get_constraint_for): For ADDR_EXPR operating on something
9115 containing an ARRAY_REF, add all subvars to the solution.
9116 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9117 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9118 for creating MUST_DEFs.
9119 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9121 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9123 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9124 functions.
9125 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9126 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9127 number_of_iterations_le): New functions.
9128 (number_of_iterations_special): Removed.
9129 (number_of_iterations_exit): Do not use number_of_iterations_special.
9130 * tree.c (unsigned_type_for): Always return integer type.
9132 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9133 Richard Guenther <rguenther@suse.de>
9135 PR rtl-optimization/24257
9136 * gcse.c (find_moveable_store): Only consider a store movable
9137 when the SET_SRC of the insn can be assigned to a register.
9139 2006-01-14 Ian Lance Taylor <ian@airs.com>
9141 * tree.c (tree_not_class_check_failed): New function.
9142 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9143 (tree_not_class_check_failed): Declare.
9145 2006-01-13 Ian Lance Taylor <ian@airs.com>
9147 * reload1.c (do_output_reload): Add assertion rejecting a
9148 CALL_INSN.
9150 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9152 * combine.c (struct reg_stat): Add new fields truncation_label and
9153 truncated_to_mode.
9154 (record_value_for_reg): Reset truncated_to_mode.
9155 (record_truncated_value): New function.
9156 (check_promoted_subreg): Call it. Rename to check_conversions.
9157 (combine_instructions): Rename check_promoted_subreg to
9158 check_conversions.
9159 (reg_truncated_to_mode): New function.
9160 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9161 (gen_lowpart_or_truncate): New function.
9162 (force_to_mode): Use it instead of gen_lowpart.
9164 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9166 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9167 VAR is a tag, not its type tag.
9169 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9171 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9172 alternatives to match style of other entries.
9173 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9175 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9177 PR tree-optimization/25771
9178 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9179 SSA_NAMES.
9181 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9183 PR tree-opt/24365
9184 * tree-inline.c (declare_return_variable): If the return variable
9185 was marked as a non gimple complex, set the return slot variable
9186 to be a non gimple comple variable.
9188 2006-01-13 Richard Guenther <rguenther@suse.de>
9190 * builtins.c (expand_builtin_sincos): New function.
9191 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9192 do not set errno.
9193 (expand_builtin): Expand sincos using expand_builtin_sincos.
9195 2006-01-12 DJ Delorie <dj@redhat.com>
9197 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9198 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9199 so that constant shifts can be split.
9200 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9201 (m32c_valid_pointer_mode): Make static.
9202 (shift_gen_func_for): New.
9203 (m32c_prepare_shift): Use it. Split large const shifts into
9204 multiple shifts.
9205 * config/m32c/predicates.md (shiftcount_operand): Allow more
9206 general operands.
9207 (longshiftcount_operand): New.
9208 * doc/md.texi (Machine Constraints): Document In6.
9210 2006-01-13 Ben Elliston <bje@au.ibm.com>
9212 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9213 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9214 documentation.
9216 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9218 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9219 to try to avoid clobbering pieces of structures when we know
9220 something about the whole structure.
9221 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9223 2006-01-13 Ben Elliston <bje@au.ibm.com>
9225 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9226 return in memory, as this is no limitation is no longer present.
9228 2006-01-12 DJ Delorie <dj@redhat.com>
9230 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9231 mova with fb, and for fb+0 -> An.
9233 * config/m32c/mov.md (peephole2): Fix enabling logic.
9235 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9236 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9237 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9238 FINI_ARRAY_SECTION_ASM_OP): Define.
9240 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9241 variable.
9242 (m32c_legitimize_reload_address): New logic to reload FB to An.
9243 (m32c_output_reg_push): Add newline.
9244 (m32c_output_reg_pop): Likewise.
9246 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9248 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9250 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9252 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9254 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9256 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9257 match_code.
9259 2006-01-11 Ben Elliston <bje@au.ibm.com>
9261 * rtlanal.c (find_reg_note): Assert insn is not null.
9263 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9265 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9266 ifdef.
9268 2006-01-11 Jeff Law <law@redhat.com>
9270 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9271 hold edge pairs.
9272 (mark_threaded_blocks, register_jump_thread): New functions.
9273 (thread_through_all_blocks): Remove unwanted argument. No
9274 longer rely on e->aux to communicate thread target info.
9275 Call mark_threaded_blocks. Release the threaded_blocks
9276 bitmap and threaded_edges vector when complete.
9277 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9278 (threaded_blocks): Remove.
9279 (tree_ssa_dominator_optimize): Remove initialization and
9280 finalization of threaded_blocks. Simplify call to
9281 thread_through_all_blocks.
9282 (thread_across_edge): Call register_jump_thread rather than
9283 storing thread information into e->aux.
9284 (free_all_edge_infos): Simplify now that e->aux is no longer
9285 used to communicate with thread_through_all_blocks.
9286 * tree-flow.h (thread_through_all_blocks): Update prototype.
9287 (register_jump_thread): Prototype.
9289 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9291 * df-core.c (df_compact_blocks, df_bb_replace): Use
9292 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9294 2006-01-11 Richard Guenther <rguenther@suse.de>
9296 PR tree-optimization/25734
9297 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9298 stop propagation after successful propagation to the LHS.
9300 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9302 * basic-block.h (control_flow_graph): Change the type of
9303 x_basic_block_info to VEC(basic_block,gc) *.
9304 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9305 basic_block_info.
9306 (SET_BASIC_BLOCK): New.
9307 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9308 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9309 * cfgbuild.c (find_basic_blocks): Likewise.
9310 * cfglayout.c (fixup_reorder_chain): Likewise.
9311 * cfgrtl.c (create_basic_block_structure,
9312 rtl_create_basic_block): Likewise.
9313 * ifcvt.c (find_if_case_1): Likewise.
9314 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9315 Likewise.
9317 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9319 * Makefile.in: Removed rotted odf.c entry.
9321 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9323 PR target/25706
9324 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9325 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9326 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9327 output pattern modifier, not %e.
9328 * config/cris/cris.c (cris_op_str): Update comment about pattern
9329 modifier.
9330 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9331 before falling through into...
9332 <case 'E'>: Redefined from old 'e' case.
9334 2006-01-11 Jan Hubicka <jh@suse.cz>
9336 PR target/25042
9337 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9339 2006-01-11 Jan Hubicka <jh@suse.cz>
9341 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9342 * i386.c (x86_decompose_lea): Kill.
9343 (ix86_rtx_costs): Kill.
9345 2006-01-11 Jan Hubicka <jh@suse.cz>
9347 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9348 * cgraph.h (cgraph_node): Add inline_decl.
9349 (cgraph_insert_node_to_hashtable): Declare.
9350 (save_inline_function_body): Declare.
9351 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9352 clones.
9353 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9354 (cgraph_function_versioning): Update call of tree_function_versioning.
9355 (save_inline_function_body): New function.
9356 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9357 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9358 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9359 (cgraph_default_inline_p): Likewise.
9360 (cgraph_decide_inlining_incrementally): Likewise.
9361 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9362 (copy_bb): Kill saving; do updating of clones.
9363 (copy_cfg_body): Kill saving.
9364 (initialize_inlined-parameters): Likewise.
9365 (expand_call_inline): Likewise.
9366 (save_body): Kill.
9367 (tree_function_versioning): New parameter "update_clones".
9368 (inlining_p): Kill saving.
9369 * tree-inline.h (tree_function_versioning): Update prototype.
9370 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9371 saving.
9373 2006-01-11 Ian Lance Taylor <ian@airs.com>
9375 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9376 Allow undoing set of machine mode.
9377 (do_SUBST): Use enums instead of is_int.
9378 (do_SUBST_MODE): New function.
9379 (SUBST_MODE): New macro.
9380 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9381 reg and trying to replace reg_regno_rtx with a new register.
9382 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9383 (simplify_set): Use SUBST_MODE.
9384 (distribute_notes): Remove code that tried to update reg notes
9385 for regno_reg_rtx changes.
9387 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9389 PR tree-optimization/23109
9390 PR tree-optimization/23948
9391 PR tree-optimization/24123
9393 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9394 * tree-cfg.c (single_noncomplex_succ): New.
9395 * tree-flow.h (single_noncomplex_succ): Declare it.
9396 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9397 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9398 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9399 insert_bb, register_division_in, insert_reciprocals,
9400 replace_reciprocal, free_bb): New.
9401 (execute_cse_reciprocals_1): Rewritten.
9402 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9403 Do not commit any edge insertion. Always compute dominators and
9404 create the allocation pool.
9405 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9406 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9407 * targhooks.c (default_min_divistions_for_recip_mul): New.
9408 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9409 * passes.c (init_optimization_passes): Run recip after tree loop
9410 optimizations.
9411 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9413 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9414 Kenneth Zadeck <zadeck@naturalbridge.com>
9416 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9417 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9418 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9419 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9420 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9421 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9422 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9423 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9424 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9425 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9426 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9427 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9428 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9429 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9430 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9431 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9432 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9433 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9434 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9435 DF_SCAN_POST_ALLOC): New macros.
9436 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9437 df_free_bb_function, df_local_compute_function, df_init_function,
9438 df_dataflow_function, df_confluence_function_0,
9439 df_confluence_function_n, df_transfer_function,
9440 df_finalizer_function, df_free_function, df_dump_problem_function,
9441 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9442 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9443 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9444 df_urec_bb_info, ) New types.
9445 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9446 variables.
9447 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9448 df_analyze_simple_change_some_blocks,
9449 df_analyze_simple_change_one_block, df_compact_blocks,
9450 df_bb_replace, df_bb_regno_last_use_find,
9451 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9452 df_insn_regno_def_p, df_find_def, df_find_use,
9453 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9454 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9455 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9456 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9457 debug_df_chain, df_get_dependent_problem, df_chain_create,
9458 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9459 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9460 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9461 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9462 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9463 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9464 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9465 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9466 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9467 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9468 df_reorganize_refs, df_set_state, df_hard_reg_init,
9469 df_read_modify_subreg_p) New public functions.
9470 * df-core.c: The core dataflow solver and glue routines for rtl
9471 dataflow.
9472 (df_init, df_add_problem, df_set_blocks, df_finish,
9473 df_hybrid_search_forward, df_hybrid_search_backward,
9474 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9475 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9476 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9477 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9478 df_reg_defined, df_find_use, df_reg_used, df_dump,
9479 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9480 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9481 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9482 debug_df_useno, reset_df_after_reload): New functions.
9483 * df-scan.c: The scanning fuctions, once in df.c, completely
9484 rewritten so that they now fully model the functionality of
9485 register usage at the backend.
9486 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9487 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9488 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9489 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9490 df_get_artificial_defs, df_get_artificial_uses,
9491 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9492 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9493 df_refs_delete, df_reorganize_refs, df_set_state,
9494 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9495 df_def_record_1, df_defs_record, df_uses_record,
9496 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9497 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9498 df_record_exit_block_uses, df_hard_reg_init): New functions.
9500 * df-problems.c: Seven concrete dataflow problems that use the
9501 scanning in df-scan.c and are solved by the engine in df-core.c.
9502 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9503 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9504 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9505 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9506 df_ru_free_bb_info, df_ru_alloc,
9507 df_ru_bb_local_compute_process_def,
9508 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9509 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9510 df_ru_transfer_function, df_ru_free, df_ru_dump,
9511 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9512 df_rd_free_bb_info, df_rd_alloc,
9513 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9514 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9515 df_rd_transfer_function, df_rd_free, df_rd_dump,
9516 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9517 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9518 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9519 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9520 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9521 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9522 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9523 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9524 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9525 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9526 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9527 df_urec_mark_reg_use_for_earlyclobber,
9528 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9529 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9530 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9531 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9532 df_chain_create_bb_process_use, df_chain_create_bb,
9533 df_chain_finalize, df_chain_free, df_chains_dump,
9534 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9535 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9536 df_reg_lifetime): New functions.
9537 * df.c: Deleted file.
9538 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9539 consistent with new df api.
9540 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9541 rest_of_handle_sms): Ditto.
9542 * web.c (unionfind_union, union_defs, entry_register, web_main):
9543 Ditto.
9544 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9545 invariant_expr_equal_p, find_defs, check_dependencies,
9546 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9547 free_inv_motion_data, move_loop_invariants): Ditto.
9548 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9549 Update dependencies.
9550 (odf.c): Added defective entry that was deleted later in day.
9551 * sched-deps.c (sched_analyze_1): Ditto.
9553 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9555 * tree-ssa-operands.c (get_expr_operands): Record addressable
9556 variables directly. Do not call add_stmt_operands for CONST_DECLs
9557 and ARRAY_DECLs.
9558 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9559 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9561 2006-01-11 Ben Elliston <bje@au.ibm.com>
9563 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9564 function returns true in the positive case.
9566 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9568 PR target/20754
9569 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9570 for SI, DI, SF and DF modes. Add alternatives to copy between
9571 general and floating point registers to the 32-bit patterns.
9572 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9573 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9574 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9575 generating 64-bit code.
9576 * config/pa/pa.c (output_move_double): Handle copies between general
9577 and floating registers.
9579 2006-01-10 Stuart Hastings <stuart@apple.com>
9581 * config/i386/i386.md (set_got): Update.
9582 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9583 (builtin_setjmp_receiver): Mach-O support.
9584 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9585 (GOT_SYMBOL_NAME): Define.
9586 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9587 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9588 * config/i386/i386.c (override_options): Revise for Darwin.
9589 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9590 support. (darwin_x86_file_end): New. (output_set_got): Add label
9591 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9592 * config/i386/i386-protos.h (output_set_got): Likewise.
9593 * config/darwin.c (machopic_legitimize_pic_address): Update
9594 regs_ever_live[].
9596 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9598 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9599 when MODE isn't BLKmode.
9601 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9603 PR rtl-optimization/25367
9604 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9606 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9608 PR target/25718
9609 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9610 for a negative bound.
9612 2006-01-10 Richard Guenther <rguenther@suse.de>
9614 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9615 Never override with anything constraint.
9617 2006-01-10 Jan Beulich <jbeulich@novell.com>
9619 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9620 256 bits when optimize_size.
9622 2006-01-10 Jan Beulich <jbeulich@novell.com>
9624 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9625 MASK_ALIGN_DOUBLE.
9626 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9627 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9628 arguments.
9630 2006-01-10 Ben Elliston <bje@au.ibm.com>
9632 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9633 float modes.
9634 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9635 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9636 (USE_FP_FOR_ARG): Reject decimal float modes.
9637 (function_arg_advance): Likewise.
9638 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9639 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9640 point types in AltiVec vectors.
9641 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9642 (rs6000_libcall_value): Likewise.
9644 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9646 * config/xtensa/ieee754-df.S: New file.
9647 * config/xtensa/ieee754-sf.S: New file.
9648 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9649 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9650 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9652 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9654 * config/sh/predicates.md (binary_float_operator,
9655 binary_logical_operator, commutative_float_operator,
9656 equality_comparison_operator, greater_comparison_operator,
9657 less_comparison_operator, logical_operator,
9658 noncommutative_float_operator, shift_operator,
9659 symbol_ref_operand, unary_float_operator): Remove redundant
9660 conditionals.
9662 2006-01-09 Jeff Law <law@redhat.com>
9664 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9665 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9666 now unused arguments. Callers updated.
9667 (eliminate_redundant_computations): Remove now unused arguments,
9668 callers updated.
9669 (local_fold): Remove, no longer used.
9670 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9671 and moved to...
9672 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9673 (simplify_cond): New function.
9674 (forward_propagate_into_cond): Call simplify_cond.
9676 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9678 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9679 (*vec_extractv2di_1_sse): New.
9681 2006-01-09 Ben Elliston <bje@au.ibm.com>
9683 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9685 2006-01-08 Richard Guenther <rguenther@suse.de>
9687 * tree-ssa-structalias.c (get_constraint_for): Remove
9688 anyoffset argument.
9689 (get_constraint_for_component_ref): Likewise.
9690 (do_deref): Likewise.
9691 (get_constraint_for): Likewise.
9692 (do_structure_copy): Likewise.
9693 (handle_ptr_arith): Likewise.
9694 (find_func_aliases): Likewise. Remove unused need_anyoffset
9695 variable.
9697 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9698 Kaz Kojima <kkojima@gcc.gnu.org>
9700 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9701 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9702 (EXTRA_CONSTRAINT_C16): Remove.
9703 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9704 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9705 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9706 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9707 constants of SHmedia. Handle nested constant expressions of
9708 SHmedia correctly.
9709 (andcosts): Fix the costs for SHmedia constants.
9710 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9711 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9712 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9713 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9714 (movv4hi_i, movv2si_i): Likewise.
9715 (movsi_const): Adjust the second operand of ior so to match with
9716 the Csu constraint.
9717 (movdi_const, movdi_const_32bit): Likewise.
9718 (movdi_const_16bit+1): Don't sign-extend LOW.
9719 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9720 step.
9721 (*double_shori): Fix the split condition. Use GEN_INT instead
9722 of get_int_mode calls. Mask lower 16-bit of the argument of
9723 the last GEN_INT.
9724 (sym2GOTPLT): Remove.
9725 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9726 gen_rtx_UNSPEC.
9727 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9728 instead of EXTRA_CONSTRAINT_C16.
9730 2006-01-07 Ian Lance Taylor <ian@airs.com>
9731 David Edelsohn <edelsohn@gnu.org>
9733 PR rtl-optimization/25662
9734 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9735 for constant operands instead of simplify_gen_binary.
9736 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9737 after trying simplify_binary_operation
9739 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9741 * tree.c (iterative_hash_expr): Hash decls based on UID.
9743 2006-01-06 Eric Christopher <echristo@apple.com>
9745 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9746 (TARGET_UNWIND_EMIT): Fix spelling.
9747 * target.h (gcc_target): Add except_table_label.
9748 * except.c (output_function_exception_table): Use.
9749 * varasm.c (default_emit_except_table_label): New.
9750 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9751 define.
9752 (asm_out): Add here.
9753 * output.h (default_emit_except_table_label): Prototype.
9754 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9755 * config/darwin.c (darwin_emit_except_table_label): Define.
9756 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9758 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9760 PR tree-optimization/18527
9761 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9762 number_of_iterations_special, number_of_iterations_exit):
9763 Move base and step of an iv to a single structure. Add
9764 no_overflow flag, and use it in # of iterations analysis.
9765 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9766 folded_casts argument.
9767 (simple_iv): Pass base and step in a structure. Set no_overflow
9768 flag.
9769 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9770 Evaluate expensiveness of computing # of iterations instead of
9771 the final expression.
9772 * tree-scalar-evolution.h (affine_iv): New structure.
9773 (simple_iv): Declaration changed.
9774 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9775 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9776 find_givs_in_stmt): Changed due to simple_iv change.
9778 2006-01-06 Jeff Law <law@redhat.com>
9780 PR ada/24994
9781 * tree-cfg.c (bsi_replace): Rename final argument from
9782 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9783 change (stmt -> orig_stmt).
9784 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9785 (bsi_remove): Add new argument. Remove EH information
9786 if requested.
9787 (verify_eh_throw_table_statements): New function.
9788 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9789 updated.
9790 * tree-optimize.c (execute_free_cfg_annotations): Verify
9791 the EH throw statement table after removing annotations.
9792 * except.h (verify_eh_throw_table_statements): Prototype.
9793 * tree-flow.h (bsi_remove): Update prototype.
9794 * tree-vrp.c (remove_range_assertions): Add new argument to
9795 bsi_remove call.
9796 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9797 * tree-complex.c (expand_complex_div_wide): Likewise.
9798 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9799 * tree-tailcall.c (eliminate_tailcall): Likewise.
9800 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9801 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9802 * tree-nrv.c (tree_nrv): Likewise.
9803 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9804 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9805 (combine_blocks): Likewise.
9806 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9807 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9808 (cleanup_control_flow): Likewise.
9809 (remove_forwarder_block): Likewise.
9810 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9811 * tree-sra.c (sra_replace): Likewise.
9812 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9813 (forward_propagate_single_use_vars): Likewise.
9814 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9815 * tree-inline.c (expand_call_inline): Likewise.
9816 * tree-vect-transform.c (vect_transform_loop): Likewise.
9817 * tree-outof-ssa.c (rewrite_trees): Likewise.
9818 * tree-cfg.c (make_goto_expr_edges): Likewise.
9819 (cleanup_dead_labels): Likewise.
9820 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9821 (bsi_move_before, bsi_move_after): Likewise.
9822 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9823 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9825 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9827 PR tree-opt/25528
9828 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9829 and IMAGPART_EXPR.
9830 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9831 on non gimple variables. Also add checks at the top for decls and
9832 mtags.
9833 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9834 complex types.
9835 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9836 and IMAGPART_EXPR for creating MUST_DEFs.
9837 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9838 and NAME_MEMORY_TAG separately from the DECLs.
9840 2006-01-06 Richard Guenther <rguenther@suse.de>
9842 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9843 annotation, if necessary.
9844 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9845 redundant calls to update_stmt.
9846 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9847 Likewise.
9849 2006-01-05 Richard Henderson <rth@redhat.com>
9851 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9853 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9855 * c-typeck.c: Update copyright date.
9857 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9859 * c-typeck.c (build_c_cast): Always warn when casting
9860 from a pointer to an integer of different size, even if
9861 the node was constant.
9863 2006-01-05 Richard Guenther <rguenther@suse.de>
9865 PR tree-optimization/22555
9866 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9867 if one structure field is an array.
9868 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9869 operands even if we found a subvar, but ignore VOPs in this
9870 case.
9871 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9872 for renaming.
9873 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9875 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9877 PR middle-end/24998
9878 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9880 2006-01-05 Richard Guenther <rguenther@suse.de>
9881 Diego Novillo <dnovillo@redhat.com>
9883 * tree-pass.h (TODO_remove_unused_locals): Define.
9884 * gimple-low.c (expand_var_p, remove_useless_vars,
9885 pass_remove_useless_vars): Remove. Update all users.
9886 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9887 (remove_unused_locals): New function.
9888 * tree-flow.h (remove_unused_locals): Declare.
9889 * passes.c (execute_todo): Call remove_unused_locals if
9890 TODO_remove_unused_locals is set.
9891 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9892 * tree-ssa-dce.c (pass_dce): Likewise.
9893 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9895 2006-01-05 Richard Guenther <rguenther@suse.de>
9897 * tree-flow.h (struct fieldoff): Decompose field to
9898 type, size and decl.
9899 * tree-ssa-alias.c (create_sft): Take type as parameter.
9900 (create_overlap_variables_for): Store type, size and decl
9901 in the fieldoff structure.
9902 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9903 of struct fieldoff.
9904 (push_fields_onto_fieldstack): Likewise.
9905 (create_variable_info_for): Likewise. Use offset for the
9906 SFT name if the decl is not available.
9908 2006-01-04 Paul Brook <paul@codesourcery.com>
9910 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9912 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9914 * lambda-code.c (can_put_in_inner_loop): Relax
9915 restrictions.
9916 (can_put_after_inner_loop): New function.
9917 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9918 (perfect_nestify): Change to make copies and modify uses.
9920 2006-01-04 Richard Henderson <rth@redhat.com>
9922 Merge from gomp branch:
9923 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9924 via integer constant.
9925 (pragma_lex): Remove.
9926 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9927 rather than parsing it.
9928 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9929 handle_pragma_extern_prefix): Add %< %> quotes.
9930 (registered_pragmas): New.
9931 (c_register_pragma_1): New.
9932 (c_register_pragma): Use it.
9933 (c_register_pragma_with_expansion): Likewise.
9934 (c_invoke_pragma_handler): New.
9935 (init_pragma): Use cpp_register_deferred_pragma directly for
9936 pch_preprocess.
9937 * c-pragma.h (enum pragma_kind): New.
9938 (pragma_handler): New.
9939 (c_invoke_pragma_handler): Declare.
9940 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9941 CPP_PRAGMA_EOL.
9942 * c-common.h (c_common_pch_pragma): Update decl.
9943 * Makefile.in (c-parser.o): Update dependencies.
9944 (GTFILES): Add c-pragma.h.
9945 * c-parser.c (struct c_token): Add pragma_kind.
9946 (struct c_parser): Add in_pragma.
9947 (c_lex_one_token): Always initialize keyword and pragma_kind.
9948 Extract data for CPP_PRAGMA.
9949 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9950 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9951 Don't allow CPP_PRAGMA_EOL if in_pragma.
9952 (c_parser_consume_pragma): New.
9953 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9954 (c_parser_skip_to_end_of_parameter): Likewise.
9955 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9956 (c_parser_skip_to_pragma_eol): New.
9957 (c_parser_external_declaration): Handle CPP_PRAGMA.
9958 (c_parser_compound_statement_nostart): Likewise.
9959 (c_parser_statement_after_labels): Likewise.
9960 (c_parser_pragma): New.
9961 (pragma_lex): Likewise.
9962 (c_parser_pragma_pch_preprocess): New.
9963 (c_parser_new): Merge into ...
9964 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9966 2006-01-04 Jeff Law <law@redhat.com>
9968 PR ada/24994
9969 * tree-cfg.c (bsi_replace): Remove the original statement
9970 from the EH throw statement table.
9972 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9974 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9975 make the prototype extern "C" and add throw ().
9977 PR target/25554
9978 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9979 and pos non-negative and pos + len <= 32.
9980 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9981 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9982 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9984 PR c/25559
9985 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9986 as well as sizes not multiple of component size.
9988 PR debug/25562
9989 * function.c (instantiate_expr): New function.
9990 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9991 walk its DECL_VALUE_EXPR with instantiate_expr.
9993 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9994 DW_OP_deref{,_size} if address isn't going to be added.
9996 2006-01-04 Ben Elliston <bje@au.ibm.com>
9998 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9999 * config/fp-bit.c: Likewise.
10001 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10003 * dominance.c: Add comment about why we use DFS numbering
10004 of dominance tree.
10006 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10007 Richard Henderson <rth@redhat.com>
10009 Merge from gomp-branch:
10010 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10011 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10013 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10015 PR rtl-optimization/25578
10016 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10017 pass a parameter to simplify_shift_const if changing ASHIFTRT
10018 to LSHIFTRT.
10020 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10022 * builtins.c (get_builtin_sync_mem): New function.
10023 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10024 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10025 Call get_builtin_sync_mem to generate mem rtx.
10027 2006-01-03 Richard Guenther <rguenther@suse.de>
10029 PR c/25183
10030 * stmt.c (add_case_node): Make sure to clear overflow flags
10031 from ranges.
10033 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10035 Merge from gomp-branch.
10036 * config/sparc/sync.md: New file.
10037 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10038 UNSPECV_LDSTUB): New constants.
10039 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10040 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10041 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10042 prototype.
10044 2006-01-03 Roger Sayle <roger@eyesopen.com>
10046 * combine.c (reg_subword_p): New predicate to test whether the
10047 destination of a set refers to a subword/piece of a register.
10048 (try_combine): Generalize the code to merge the setting of a
10049 pseudo to a constant followed by a set of a subword of that
10050 register to a constant.
10052 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10054 * basic-block.h (control_flow_graph): Change the type of
10055 x_label_to_block_map to VEC(basic_block,gc) *.
10056 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10057 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10059 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10060 VEC(basic_block,heap) *.
10061 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10062 ssa_prop_fini): Adjust the uses of cfg_blocks.
10064 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10066 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10067 COMPONENT_REFs.
10068 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10069 hashing trees instead of a pointer hash.
10070 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10071 compare for MEM_EXPR.
10073 PR rtl-optimization/25130
10074 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10075 when comparing MEMs for GCSE
10077 2006-01-03 Ben Elliston <bje@au.ibm.com>
10079 * targhooks.h (default_decimal_float_supported_p): Declare.
10080 * targhooks.c (default_decimal_float_supported_p): Define.
10081 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10082 `default_decimal_float_supported_p'.
10083 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10085 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10087 * combine.c (apply_distributive_law <SUBREG>): Check
10088 TRULY_NOOP_TRUNCATION.
10090 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10092 * dwarf2out.c (have_switched_text_section): Delete.
10093 (have_multiple_function_sections): New.
10094 (have_location_lists): Make 'bool'.
10095 (add_AT_loc_list): Use 'true' not '1'.
10096 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10097 (output_loc_list): Use have_multiple_function_sections.
10098 (output_ranges): Likewise.
10099 (dwarf2out_begin_function): Set have_multiple_function_sections if
10100 necessary.
10101 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10102 Check function_section rather than DECL_SECTION_NAME.
10103 (dwarf2out_finish): Use have_multiple_function_sections.
10104 Don't clear have_location_lists.
10106 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10107 Jan Hubicka <jh@suse.cz>
10109 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10110 case of conditional jump jumping to the next instruction.
10111 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10112 cases of conditional jump jumping to the next instruction.
10114 2006-01-02 Jan Hubicka <jh@suse.cz>
10116 * i386.c (*_cost): Add COSTS_N_INSNS.
10117 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10119 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10121 PR target/25259
10122 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10124 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10126 * config/arm/arm.c (all_fpus): Fix comment typo.
10127 * config/darwin.c: Likewise.
10128 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10129 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10130 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10132 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10134 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10135 (rs6000_split_compare_and_swapqhi): New.
10136 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10137 (sync_compare_and_swapqhi_internal): New.
10138 * config/rs6000/rs6000-protos.h: Declare.