1 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
3 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5 2006-04-28 Roger Sayle <roger@eyesopen.com>
8 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10 an unsigned HOST_WIDE_INT.
11 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13 (really_start_incremental_init): No need to call convert because
14 bitsize_zero_node is already of type bitsizetype.
15 (push_init_level): Extract the value of constructor_index as an
16 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
17 (process_init_element): Likewise.
19 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
21 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
22 value before passing to make_relative_prefix.
24 2006-04-28 Alan Modra <amodra@bigpond.net.au>
27 * builtins.c (expand_builtin_memset): Expand val in original mode.
29 2006-04-27 Eric Christopher <echristo@apple.com>
31 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
33 * config/darwin-c.c (darwin_ms_struct): New.
34 (darwin_pragma_ms_struct): Ditto.
35 (darwin_set_default_type_attributes): Ditto.
36 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
37 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
38 Register ms_struct pragma.
39 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
40 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
41 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
42 darwin_set_default_type_attributes if TARGET_MACHO.
44 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
46 PR tree-optimization/26854
47 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
48 * doc/tree-ssa.texi: Update immuse iterator documentation.
49 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
50 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
51 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
52 first_safe_imm_use, next_safe_imm_use): Remove.
53 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
54 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
55 (move_use_after_head): New. Helper function to sort immuses in a stmt.
56 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
57 (first_imm_use_stmt): New. Get first stmt in an immuse list.
58 (next_imm_use_stmt): New. Get next stmt in an immuse list.
59 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
60 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
61 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
62 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
63 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
64 (perfect_nestify): Use new iterator.
65 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
67 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
68 (next_imm_name): New field in struct immediate_use_iterator_d.
69 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
70 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
71 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
72 * tree-cfg.c (replace_uses_by): Use new iterator.
73 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
74 * tree-ssa-operands.c (correct_use_link): Remove.
75 (finalize_ssa_use_ops): No longer call correct_use_link.
77 2006-04-27 Stuart Hastings <stuart@apple.com>
79 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
80 * config/t-darwin (crt3.o): Use it.
81 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
82 'pmode', use Pmode instead of SImode for SYMBOL_REF.
83 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
84 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
85 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
88 2006-04-27 Roger Sayle <roger@eyesopen.com>
90 * expmed.c (store_fixed_bit_field): If we're not optimizing for
91 size, force the intermediate into a new pseudo rather instead of
92 performing both a bitwise AND and a bitwise IOR in memory.
94 2006-04-27 Richard Guenther <rguenther@suse.de>
96 PR rtl-optimization/26685
97 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
98 this one "max-flow-memory-locations".
100 2006-04-27 Richard Guenther <rguenther@suse.de>
102 PR tree-optimization/25148
103 * tree-vrp.c (compare_values): Remove code dealing with
104 comparisons against type min/max value. Honour overflow
105 and negative constants in code dealing with comparisons
106 of plus and minus expressions.
107 (value_inside_range): Use fold_binary with LE_EXPR and
108 GE_EXPR rather than compare_values.
110 2006-04-27 Dirk Mueller <dmueller@suse.de>
112 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
115 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
117 * basic-block.h (safe_insert_insn_on_edge): Removed.
118 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
121 2006-04-26 David Edelsohn <edelsohn@gnu.org>
122 Paolo Bonzini <bonzini@gnu.org>
125 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
126 (simplify_and_const_int): Same.
128 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
130 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
132 2006-04-26 Jakub Jelinek <jakub@redhat.com>
135 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
136 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
137 cgraph_global_info_ready.
140 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
143 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
144 either decl or init is error_mark_node.
147 * tree-flow.h (struct omp_region): Add sched_kind.
148 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
149 instead of extracting omp for data.
150 (expand_omp_for): Save extracted sched_kind.
152 2006-04-25 Roger Sayle <roger@eyesopen.com>
154 * expmed.c (store_bit_field): Also check whether the bitsize is
155 valid for the machine's "insv" instruction before moving the
156 target into a pseudo for use with the insv.
157 * config/i386/predicates.md (const8_operand): New predicate.
158 * config/i386/i386.md (extv, extzv, insv): Use the new
159 const8_operand predicate where appropriate.
161 2006-04-25 DJ Delorie <dj@redhat.com>
163 * doc/install.texi (Specific): Clarify that this is not a list of
164 supported hosts or targets.
166 2006-04-25 Richard Sandiford <richard@codesourcery.com>
168 PR rtl-optimization/26725
169 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
170 block's BB_DIRTY flag.
172 2006-04-25 Geoffrey Keating <geoffk@apple.com>
174 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
177 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
180 2006-04-25 David Edelsohn <edelsohn@gnu.org>
182 * varasm.c (align_variable): New function.
183 (get_block_for_decl): Apply align_variable to DECL before
184 calculating section information.
185 (assemble_variable): Split out alignment computation.
187 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
189 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
192 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
194 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
195 MODE_PARTIAL_INT mode.
196 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
197 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
199 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
200 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
202 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
204 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
206 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
207 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
208 MACFLAG_IH): Likewise.
209 (movstricthi_1): Renamed from "*movstricthi".
210 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
211 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
212 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
213 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
214 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
215 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
216 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
217 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
218 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
219 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
220 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
221 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
222 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
223 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
224 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
226 * doc/rtl.texi (ss_ashift): Improve wording.
228 2006-04-24 Geoffrey Keating <geoffk@apple.com>
230 * dwarf2out.c (verify_marks_clear): New.
231 (prune_unused_types): Call verify_marks_clear initially, not
234 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
236 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
237 * doc/rtl.texi: Document them.
238 * simplify-rtx.c (simplify_unary_operation,
239 simplify_binary_operation_1): Don't abort when we see them.
241 2006-04-24 Mark Mitchell <mark@codesourcery.com>
244 2006-04-23 Mark Mitchell <mark@codesourcery.com>
245 * configure.ac: Completely disregard languages that are not
247 * configure: Regenerated.
249 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
250 Richard Guenther <rguenther@suse.de>
252 PR tree-optimization/27236
253 * tree-inline.c (copy_body_r): Make sure to copy
254 TREE_THIS_VOLATILE flag.
256 2006-04-24 Richard Guenther <rguenther@suse.de>
259 * tree-complex.c (update_parameter_components): Don't handle
260 unused parameters which have no default def.
262 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
263 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/27218
266 * tree-inline.c (expand_call_inline): Strip useless type
267 conversions for the return slot address.
269 2006-04-24 Richard Guenther <rguenther@suse.de>
271 * cfgloop.h (struct loops): Remove unused field array. Reorder
273 (LOOP_PREFETCH): Remove.
275 2006-04-24 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/22525
278 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
279 variable, adjust types of generated expressions.
281 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
283 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
284 (tree-vect-patterns.o): Likewise.
286 (cselib.o): Likewise.
287 (loop-doloop.o): Likewise.
288 (regclass.o): Likewise.
289 (reload1.o): Likewise.
290 (explow.o): Replace target.h with $(TARGET_H).
291 (ipa-prop.o): Likewise.
292 (ipa-cp.o): Likewise.
293 (ipa-inline.o): Likewise.
295 (reg-stack.o): Likewise.
297 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
299 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
301 2006-04-23 Mark Mitchell <mark@codesourcery.com>
303 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
305 * configure.ac: Completely disregard languages that are not
307 * configure: Regenerated.
310 * c-common.h (c_build_bitfield_integer_type): Declare.
311 * c-decl.c (c_build_bitfield_integer_type): Move to ...
312 * c-common.c (c_build_bitfield_integer_type): ... here.
314 2006-04-23 Roger Sayle <roger@eyesopen.com>
317 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
318 a SImode SUBREG of a floating point register after no_new_pseudos.
320 2006-04-23 Roger Sayle <roger@eyesopen.com>
322 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
323 identify potentially eliminable registers to additionally catch
324 VIRTUAL_INCOMING_ARGS_REGNUM.
325 (addsi3): Update the conditions on when to use addsi_small_int.
327 2006-04-23 Roger Sayle <roger@eyesopen.com>
330 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
331 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
332 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
334 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
336 * fold-const.c (range_predecessor): Use operand_equal_p
337 as the predicate for equality.
338 (range_successor): Likewise.
340 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
343 * config/soft-fp/op-common.h: Fix a typo.
345 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
348 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
349 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
351 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
353 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
355 * doc/tm.texi: Fix a typo.
357 2006-04-21 Geoffrey Keating <geoffk@apple.com>
359 * dwarf2out.c (struct die_struct): Document that die_sib makes
360 a circular linked list.
361 (FOR_EACH_CHILD): New.
362 (reverse_die_lists): Delete.
363 (reverse_all_dies): Delete.
364 (add_dwarf_attr): Correct documentation.
365 (remove_child_with_prev): New.
366 (remove_child_TAG): Update for change to die_struct, use
367 remove_child_with_prev.
368 (add_child_die): Update for change to die_struct.
369 (splice_child_die): Use remove_child_with_prev and add_child_die.
370 (print_die): Use FOR_EACH_CHILD.
371 (die_checksum): Likewise.
372 (assign_symbol_names): Likewise.
373 (output_location_lists): Likewise.
374 (build_abbrev_table): Likewise.
375 (calc_die_sizes): Likewise.
376 (mark_dies): Likewise.
377 (unmark_dies): Likewise.
378 (unmark_all_dies): Likewise.
379 (output_die): Likewise.
380 (prune_unused_types_mark): Likewise.
381 (prune_unused_types_walk): Likewise.
382 (same_die_p): Update for change to die_struct.
383 (break_out_includes): Likewise.
384 (prune_unused_types_prune): Likewise.
385 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
386 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
388 (dwarf2out_finish): Don't call reverse_all_dies.
390 2006-04-21 Eric Christopher <echristo@apple.com>
392 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
393 in comments and function names.
395 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
398 * c-typeck.c (digest_init): Robustify.
400 * c-typeck.c (pop_init_level): Simplify.
402 2006-04-21 Steve Ellcey <sje@cup.hp.com>
404 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
406 2006-04-21 Paul Brook <paul@codesourcery.com>
408 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
409 hardware floating point.
411 2006-04-21 David Edelsohn <edelsohn@gnu.org>
413 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
416 2006-04-21 Nick Clifton <nickc@redhat.com>
418 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
421 2006-04-21 Alan Modra <amodra@bigpond.net.au>
424 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
425 C++ lang type in traceback table for Objective-C++.
427 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
429 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
431 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
433 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
436 * tree-mudflap.c (mudflap_finish_file): Skip function when there
437 were errors. Remove check for erroneous objects.
439 2006-04-20 Jeff Law <law@redhat.com>
441 PR tree-optimization/26854
442 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
443 checking for zero or one use.
444 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
445 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
446 * tree-ssa-reassoc.c (negate_value): Similarly.
447 (reassociate_bb): Similarly.
449 2006-04-20 Jakub Jelinek <jakub@redhat.com>
451 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
452 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
453 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
455 2006-04-20 Alan Modra <amodra@bigpond.net.au>
457 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
458 fp regs if the last fp arg doesn't fit in regs.
460 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
463 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
464 that the last insn has the REG_INC note.
466 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
467 Nathan Sidwell <nathan@codesourcery.com>
470 * stor-layout.c (update_alignment_for_field): Do not align
472 (place_union_field): Place union field at the start of the union.
473 (place_field): Move ERROR_MARK check later, and use the current
474 allocation position to maintain monotonicity.
476 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
478 * dominance.c: Include timevar.h.
479 (calculate_dominance_info): Use TV_DOMINANCE.
480 * timevar.def (TV_DOMINANCE): New timevar.
481 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
483 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
485 PR rtl-optimization/14261
486 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
487 move would be an INSV insn.
488 (noce_process_if_block): Don't optimize if the destination is a
489 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
491 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
493 * config/s390/s390.md: Add comments with the instructions emitted
494 by an insn pattern if macros are used.
496 2006-04-19 Alan Modra <amodra@bigpond.net.au>
498 PR rtl-optimization/26026
499 * fold-const.c (fold_binary): Optimize div and mod where the divisor
500 is a known power of two shifted left a variable amount.
502 2006-04-18 Geoffrey Keating <geoffk@apple.com>
504 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
505 to hash table twice when the debug_str section has SECTION_MERGE.
507 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
509 * config/soft-fp: New directory. From glibc.
510 * config/soft-fp/t-softfp: New.
511 * config/soft-fp/README: New.
512 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
513 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
514 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
515 (LIBGCC_DEPS): Add $(SFP_MACHINE).
516 * config.gcc: Use rs6000/t-fprules-fpbit or
517 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
519 * config/rs6000/sfp-machine.h: New. Based on glibc.
520 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
522 * config/rs6000/t-fprules: Remove fp-bit rules.
523 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
524 * config/rs6000/t-linux64: Likewise. Remove duplicates from
525 LIB2FUNCS_EXTRA. Remove fp-bit rules.
526 (softfp_wrap_start, softfp_wrap_end): New.
528 2006-04-18 DJ Delorie <dj@redhat.com>
530 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
532 2006-04-18 Devang Patel <dpatel@apple.com>
534 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
536 2006-04-18 Nick Clifton <nickc@redhat.com>
538 * config/sh/t-symbian: Add rule to build sh-c.o
539 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
540 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
541 (sh_symbian_encode_section_info): Likewise.
543 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
545 * builtins.c (expand_builtin_strcmp): Cover label definition of
546 do_libcall with HAVE_cmpstrnsi.
548 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
550 * function.c (temp_slots_at_level, max_slot_level): Use VEC
552 * function.h (temp_slot_p): New.
553 (function): Change the type of x_used_temp_slots to
554 VEC(temp_slot_p,gc) *.
556 2006-04-18 Nick Clifton <nickc@redhat.com>
558 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
559 flag_strength_reduce.
561 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
563 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
567 Partial revert of revision 112637
568 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
569 Dale Johannesen <dalej@apple.com>
572 * regclass.c (struct reg_pref): Update documentation.
573 (regclass): Set prefclass to NO_REGS if memory is the best option.
574 (record_reg_classes): Cope with a prefclass set to NO_REGS.
576 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
578 PR tree-optimization/26821
579 * tree-ssa-math-opts.c (get_constant_one): New.
580 (insert_reciprocals): Use it.
582 2006-04-17 Geoffrey Keating <geoffk@apple.com>
584 * dwarf2out.c (free_AT): Delete.
585 (remove_AT): Update string ref counts.
586 (remove_child_TAG): Don't call free_die.
588 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
590 (prune_unused_types_walk_attribs): Reset string refcounts.
591 (prune_unused_types_update_strings): New.
592 (prune_unused_types_prune): Don't make unnecessary stores. Don't
593 call free_die. Do call prune_unused_types_update_strings.
594 (prune_unused_types): Empty debug_str_hash.
596 2006-04-17 Roger Sayle <roger@eyesopen.com>
598 * expr.c (expand_assignment): Optimize away no-op moves where the
599 source and destination are equal and have no side-effects.
601 2006-04-17 Richard Guenther <rguenther@suse.de>
604 * reload.c (push_reload): Guard calls to get_secondary_mem
607 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
609 * alias.c (reg_base_value, old_reg_base_value): Change the
610 type to VEC(rtx,gc) *.
611 (REG_BASE_VALUE, find_base_value, record_set,
612 init_alias_analysis): Use VEC instead of VARRAY.
614 * alias.c (alias_sets): Change the type to
615 VEC(alias_set_entry,gc) *.
616 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
617 VEC instead of VARRAY.
618 (last_alias_set): Remove.
620 * cgraph.h (cgraph_edge_p): New.
621 Update the prototype of cgraph_function_versioning.
622 * cgraphunit.c (cgraph_copy_node_for_versioning,
623 cgraph_function_versioning): Use VEC instead of VARRAY.
624 * ipa-cp.c (ipcp_insert_stage): Likewise.
626 2006-04-16 Roger Sayle <roger@eyesopen.com>
629 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
630 "A op B" or "A op C", we may need to convert A to the type of B and C.
632 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
634 * target.h (struct gcc_target): Add mode_rep_extended.
635 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
636 (init_num_sign_bit_copies_in_rep): Initialize it using
638 (truncate_to_mode): Use it.
639 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
640 * targhooks.h (default_mode_rep_extended): Declare it.
641 * targhooks.c (default_mode_rep_extended): Define it.
642 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
643 default_mode_rep_extended.
644 (TARGET_INITIALIZER): Include it.
645 * doc/tm.texi (Misc): Document it.
646 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
647 (mips_truncated_to_mode): New function.
649 2006-04-16 Roger Sayle <roger@eyesopen.com>
652 * expr.c (compress_float_constant): Copy the narrow constant into
653 a new pseudo before extending it to its final width.
655 2006-04-16 Roger Sayle <roger@eyesopen.com>
656 Andrew Pinski <pinskia@gcc.gnu.org>
657 Dale Johannesen <dalej@apple.com>
660 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
661 special case code to implement V8HImode and V16QImode with SSE2.
663 2006-04-15 Roger Sayle <roger@eyesopen.com>
665 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
666 trees are constructed with a suitable tree type.
668 2006-04-15 Roger Sayle <roger@eyesopen.com>
670 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
671 (integer_onep): Likewise.
672 (integer_all_onesp): Likewise.
673 (integer_pow2p): Likewise.
674 (integer_nonzerop): Likewise.
675 (real_zerop): Likewise.
676 (real_onep): Likewise.
677 (real_twop): Likewise.
678 (real_minus_onep): Likewise.
679 (int_size_in_bytes): Likewise.
680 (host_integerp): Likewise.
682 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
684 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
685 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
686 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
688 * tree-ssa-structalias.h (alias_info): Remove num_references.
690 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
692 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
693 (output_bvb patterns): Likewise.
694 * pa.c (output_bb): Use 'bb' insn for long branch case.
695 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
696 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
697 1. Correct length operand for alternatives 1 and 2.
698 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
699 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
701 2006-04-14 Roger Sayle <roger@eyesopen.com>
703 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
704 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
705 were accidentally reverted by r112959.
707 2006-04-15 Jakub Jelinek <jakub@redhat.com>
710 * except.h (eh_region_outermost): New prototype.
711 * except.c (eh_region_outermost): New function.
712 * tree-cfg.c (find_outermost_region_in_block): Use it.
714 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
716 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
718 * reload1.c (reg_equiv_memory_loc_varray): Rename to
719 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
720 (init_reload, reload): Use VEC instead of VARRAY.
721 * reload.h: Update the prototype for
722 reg_equiv_memory_loc_varray.
724 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
725 Eric Botcazou <ebotcazou@libertysurf.fr>
727 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
730 2005-04-13 Uros Bizjak <uros@kss-loka.si>
733 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
734 to expand fallback builtin function call.
736 2006-04-14 Alan Modra <amodra@bigpond.net.au>
739 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
740 and emit libcall here in case the builtin fails.
741 (expand_builtin_strcmp): Always emit the libcall here on failure.
743 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
745 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
746 * flow.c (reg_n_info): Change the type to
747 VEC(reg_info_p,heap) *.
748 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
750 * regs.h (reg_info_p): New.
751 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
752 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
753 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
756 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
758 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
760 * params.h (MAX_SCHED_READY_INSNS): New macro.
761 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
762 past MAX_SCHED_READY_INSNS during the first scheduling pass.
763 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
764 the ready list for 1 cycle during the first scheduling pass.
765 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
767 2006-04-13 Richard Henderson <rth@redhat.com>
770 * gimple-low.c (lower_omp_directive): Remove dead code.
771 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
772 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
773 * omp-low.c (struct omp_region): Move to tree-flow.h.
774 (root_omp_region): Export.
775 (omp_regions, lookup_omp_region): Remove.
776 (determine_parallel_type): Update for struct omp_region changes.
777 (dump_omp_region): Dump regions with block numbers.
778 (new_omp_region): Take type and block instead of stmt; malloc
780 (free_omp_region_1, free_omp_regions): New.
781 (expand_parallel_call): Take entry_stmt as argument; update for
782 changes to omp_region.
783 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
784 (remove_exit_barriers): New.
785 (expand_omp_parallel): Update for struct omp_region changes.
786 (expand_omp_synch): Likewise.
787 (expand_omp): Likewise.
788 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
789 (expand_omp_for_static_chunk): Likewise.
790 (expand_omp_for): Likewise.
791 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
792 (expand_omp_sections): Similarly, with GOMP_sections_end.
793 (expand_omp_single): New.
794 (build_omp_regions_1): Update for OMP_CONTINUE.
795 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
796 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
797 OMP_SECTIONS_SECTIONS.
798 (lower_omp_single_simple): Don't emit barrier here.
799 (lower_omp_single_copy): Likewise.
800 (lower_omp_single): Fix bindings, and lower to straightline now.
801 (lower_omp_master, lower_omp_ordered): Likewise.
802 (lower_omp_critical): Likewise.
803 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
804 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
805 omp edges, free it afterward.
806 (make_omp_sections_edges): Remove.
807 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
808 (move_stmt_r): Handle OMP_CONTINUE.
809 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
810 statement pointers to basic blocks. Add type member.
811 (root_omp_region, new_omp_region, free_omp_regions): Declare.
812 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
813 * tree-inline.c (estimate_num_insns_1): Likewise.
814 * tree-pretty-print.c (dump_generic_node): Likewise.
815 * tree-ssa-operands.c (get_expr_operands): Likewise.
816 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
817 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
819 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
820 (OMP_SECTIONS_SECTIONS): Remove.
821 (OMP_SECTION_LAST): New.
822 (OMP_RETURN_NOWAIT): New.
824 2006-04-13 Roger Sayle <roger@eyesopen.com>
826 * fold-const.c (native_encode_vector, native_interpret_real):
827 Correct obvious mistakes in the previous check-in.
829 2006-04-13 Roger Sayle <roger@eyesopen.com>
831 * fold-const.c (native_encode_expr): New function to encode
832 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
833 or VECTOR_CST into a specified buffer.
834 (native_encode_int): New function.
835 (native_encode_real): New function.
836 (native_encode_complex): New function.
837 (native_encode_vector): New function.
838 (native_interpret_expr): Inverse of native_encode_expr to convert
839 a target representation into an INTEGER_CST, REAL_CST etc...
840 (native_interpret_int): New function.
841 (native_interpret_real): New function.
842 (native_interpret_complex): New function.
843 (native_interpret_vector): New function.
844 (fold_view_convert_expr): New function to constant fold/evaluate
845 a VIEW_CONVERT_EXPR of a suitable constant expression.
846 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
847 Change call of build1 to fold_build1 when constructing a
850 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
851 Ulrich Weigand <uweigand@de.ibm.com>
854 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
857 2006-04-13 Alan Modra <amodra@bigpond.net.au>
860 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
861 optimize to lo_sum for DFmode if !TARGET_FPRS.
863 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
865 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
866 delete_alias_info, compute_flow_sensitive_aliasing,
867 group_aliases): Use VEC instead of VARRAY.
868 * tree-ssa-structalias.c (update_alias_info): Likewise.
869 * tree-ssa-structalias.h (alias_info): Change the type of
870 processed_ptrs to VEC(tree,heap) *.
872 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
875 * config/sh/lib1funcs.h: New file, broken out of:
876 * config/sh/lib1funcs.asm.
877 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
879 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
880 * config/sh/lib1funcs-Os-4-200.asm: New file.
881 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
882 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
883 (EXTRA_MULTILIB_PARTS): Include it.
884 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
885 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
886 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
887 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
890 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
892 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
893 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
894 tpa_compact, root_var_init, type_var_init): Use VEC instead of
896 * tree-ssa-live.h: Include vecprim.h.
897 (tree_partition_associator_d): Change the type of
898 first_partition to VEC(int,heap) *.
899 (tpa_first_partition): Use VEC instead of VARRAY.
901 * Makefile.in (GTFILES): Move functions.h after tree.h.
902 * function.c (reset_block_changes, record_block_change,
903 check_block_change, free_block_changes): Use VEC instead of
905 * function.h (function): Change the type of
906 ib_boundaries_block to VEC(tree,gc) *.
907 * tree-inline.c (copy_cfg_body): Initialize
908 ib_boundaries_block to NULL instead of (varray_type) 0.
910 2006-04-12 Roger Sayle <roger@eyesopen.com>
912 * expr.c (emit_group_store): Correct operand order in call to
913 subreg_lowpart_offset. Always create paradoxical SUBREGs with
914 a SUBREG_BYTE of zero.
916 2006-04-12 Richard Guenther <rguenther@suse.de>
918 * profile.c (compute_branch_probabilities): Remove code
919 encapsulated in !ir_type (), which are remanents of the
920 removed RTL profiling code.
921 * rtl-profile.c: Remove.
923 2006-04-12 Alan Modra <amodra@bigpond.net.au>
925 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
926 magic NULL_RTX comment.
927 (function_arg): Store entire fp arg to mem if any part should go
929 (rs6000_arg_partial_bytes): Adjust for above change.
931 2006-04-11 Roger Sayle <roger@eyesopen.com>
933 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
934 if it hasn't been initialized by dwarf2out_init.
936 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
938 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
939 symbolic constants in branch patterns.
941 2006-04-11 Roger Sayle <roger@eyesopen.com>
943 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
945 2006-04-11 Richard Sandiford <richard@codesourcery.com>
947 PR rtl-optimization/27073
948 * gcse.c (try_replace_reg): Revert last change. Continue to search
949 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
952 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
954 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
955 aggregate types other than record and union types.
956 (function_arg): Likewise.
957 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
959 (function_value): In 64-bit mode, return objects that require it
962 2006-04-11 Roger Sayle <roger@eyesopen.com>
964 * dwarf2out.c (premark_used_types): Remove problematic prototype.
966 2006-04-11 Jakub Jelinek <jakub@redhat.com>
968 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
970 2006-04-03 Jeff Law <law@redhat.com>
973 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
974 alias information too.
976 2006-04-10 Mike Frysinger <vapier@gentoo.org>
978 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
980 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
983 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
984 (premark_used_types_helper): New.
985 (premark_used_types): New.
986 (gen_subprogram_die): Call premark_used_types.
987 (prune_unused_types_walk): Do not prune perennial dies.
988 * function.c (used_types_insert): New.
989 * function.h (struct function): Add used_types_hash field.
990 (used_types_insert): Add prototype.
991 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
992 * c-parser.c (c_parser_cast_expression): Save casted types in used
995 2006-04-11 Mark Mitchell <mark@codesourcery.com>
998 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
999 rs6000_explicit_options.float_gprs.
1001 2006-04-10 Roger Sayle <roger@eyesopen.com>
1003 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1004 from ix86_expand_vector_init_low_nonzero. Take an additional
1005 one_var argument indicating which element is non-zero. Support
1006 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1007 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1008 with one_var instead of ix86_expand_vector_init_low_nonzero.
1010 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1012 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1013 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1014 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1015 build/genextract.o): Depend on vecprim.h.
1016 * cfglayout.c, df-problems.c, function.c, genextract.c,
1017 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1018 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1022 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1024 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1025 Declare VECs of this type.
1026 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1027 (remove_children): Delete.
1028 (add_dwarf_attr): Use VEC routines.
1029 (add_AT_flag): Update for changes to add_dwarf_attr.
1030 (add_AT_int): Likewise.
1031 (add_AT_unsigned): Likewise.
1032 (add_AT_long_long): Likewise.
1033 (add_AT_vec): Likewise.
1034 (add_AT_string): Likewise.
1035 (add_AT_die_ref): Likewise.
1036 (add_AT_fde_ref): Likewise.
1037 (add_AT_loc): Likewise.
1038 (add_AT_loc_list): Likewise.
1039 (add_AT_addr): Likewise.
1040 (add_AT_lbl_id): Likewise.
1041 (add_AT_lineptr): Likewise.
1042 (add_AT_macptr): Likewise.
1043 (add_AT_offset): Likewise.
1044 (add_AT_range_list): Likewise.
1045 (get_AT): Use VEC_iterate.
1046 (remove_AT): Use VEC_ordered_remove.
1047 (free_die): Fold remove_children into here; have it use VEC_iterate.
1048 (print_die): Use VEC_iterate on attrs.
1049 (reverse_die_lists): Don't reverse attr lists.
1050 (die_checksum): Use VEC_iterate on attrs.
1051 (same_die_p): Likewise.
1052 (output_location_lists): Likewise.
1053 (build_abbrev_table): Likewise.
1054 (size_of_die): Likewise.
1055 (unmark_all_dies): Likewise.
1056 (output_abbrev_section): Likewise.
1057 (output_die): Likewise.
1058 (prune_unused_types_walk_attribs): Likewise.
1060 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1062 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1064 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1067 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1069 2006-04-09 Roger Sayle <roger@eyesopen.com>
1071 * expr.c (store_constructor): Don't bother clearing target if
1072 we're about to assign a vector to it using vec_init_optab.
1074 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1076 * tree-ssa-alias.c (lhs_may_store_to): New function.
1077 (recalculate_used_alone): Handle LHS of calls.
1079 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1083 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1084 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1085 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1086 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1087 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1088 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1089 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1090 stubs. Add ".align 8" directives before all ".dword" directives.
1091 (GTHREAD_USE_WEAK): Revise comment.
1092 (TARGET_ATTRIBUTE_WEAK): Define.
1093 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1094 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1095 * stublib.c: New file.
1100 * pa.md (cbranch patterns): Revise arguments used in calls to
1101 output_cbranch, output_bb and output_bvd. Add long branch length
1103 (fbranch patterns): Handle long branches.
1104 (jump): Revise length check. Revise arguments for output_lbranch call.
1105 Add long branch length attributes.
1106 (decrement_and_branch_until_zero): Add long branch length attributes.
1107 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1108 Likewise. Revise arguments for output_parallel_addb and
1109 output_parallel_movb calls.
1110 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1111 output_parallel_movb and output_parallel_addb): Update prototypes.
1112 * pa.c (output_cbranch): Revise arguments. Correct handling of
1113 nullification in long branches.
1114 (output_lbranch): Add new argument to control extraction of delay
1116 (output_bb): Handle long branches.
1117 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1118 output_parallel_addb): Likewise.
1120 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1122 PR rtl-optimization/27073
1123 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1126 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1128 * tree.h (tree_memory_tag): Add old_used_alone.
1129 (SMT_OLD_USED_ALONE): New macro.
1130 * tree-ssa-alias.c (recalculate_used_alone): Stop
1131 marking things for renaming unnecessarily.
1133 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1135 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1136 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1137 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1138 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1139 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1140 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1141 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1142 spelling convensions.
1143 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1144 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1145 typos. Follow spelling conventions.
1147 2006-04-07 DJ Delorie <dj@redhat.com>
1149 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1150 passed on the stack.
1151 (m32c_init_cumulative_args): When a function returns a structure,
1152 always pass the pointer to that return area on the stack.
1153 (m32c_function_arg_advance): Don't increment the parameter number
1154 if we're processing the returned structure pointer.
1155 (pushm_info): Reverse order of registers.
1157 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1159 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1160 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1161 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1162 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1164 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1165 chrec_fold_multiply): Same.
1166 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1167 force_expr_to_var_cost): Same.
1168 * tree-mudflap.c (mf_xform_derefs_1): Same.
1169 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1171 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1173 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1174 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1177 2006-04-07 Jan Hubicka <jh@suse.cz>
1179 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1181 2006-04-07 Richard Guenther <rguenther@suse.de>
1183 PR tree-optimization/26135
1184 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1185 loads for store copy-prop.
1186 (copy_prop_visit_stmt): Likewise.
1188 2006-04-05 Robert Millan <robertmh@gnu.org>
1190 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1191 being overriden in config/k*bsd-gnu.h.
1192 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1194 * gcc/config/knetbsd-gnu.h: Ditto.
1196 2006-04-06 Jan Hubicka <jh@suse.cz>
1200 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1203 2006-04-06 Mike Stump <mrs@apple.com>
1205 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1206 for HAVE_nonlocal_goto to be consistent.
1207 (expand_builtin_nonlocal_goto): Likewise.
1208 (expand_builtin_strcmp): Use #ifdef instead of #if
1209 for HAVE_cmpstrnsi to be consistent.
1211 2006-04-05 DJ Delorie <dj@redhat.com>
1213 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1216 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1218 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1219 got-relative addressing for anything but SImode.
1221 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1222 even if the calling function doesn't modify them.
1224 2006-04-05 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/26919
1227 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1228 to cgraph_estimate_size_after_inlining.
1230 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1232 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1234 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1236 PR tree-optimization/26996
1237 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1238 VECTOR_TYPE variables.
1240 2006-04-05 Richard Guenther <rguenther@suse.de>
1242 PR tree-optimization/26763
1243 * fold-const.c (fold_comparison): Move folding of
1244 PTR + CST CMP PTR + CST ...
1245 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1247 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1249 * doc/install.texi (Prerequisites): Refine some wording on
1250 bootstrapping and ksh.
1251 Move the version numbers of DejaGnu here from the testing section
1252 and fix casing of names.
1253 Fix markup and clarify wording for autogen requirements.
1254 Refer to GCJ instead of just java.
1255 Refer to SVN instead of CVS.
1256 Describe diffutils as useful instead of necessary.
1257 (Downloading the source): Refer to SVN instead of CVS.
1258 Adjust a link to our web site accordingly.
1259 (Configuration): Fix casing of Bison.
1260 (Building): Refer to SVN instead of CVS.
1261 Fix a sentence on the use of Bison and remove duplicate (and
1262 incorrect) version number of Bison requirement.
1263 Remove one redundant list of packages needed for building.
1264 (Specific): Avoid reference to CVS.
1266 2006-04-04 Eric Christopher <echristo@apple.com>
1268 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1269 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1270 (rs6000_handle_struct_attribute): New.
1271 (rs6000_ms_bitfield_layout_p): Ditto.
1273 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1275 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1276 NULL for dso parameter to atexit_common.
1278 2006-04-04 Eric Christopher <echristo@apple.com>
1280 * config/i386/i386.c (machopic_output_stub): Output \t
1281 between instructions and operands.
1283 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1285 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1286 satisfies_constraint_[IL] to explicit tests on value.
1288 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1290 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1291 set_nb_iterations_in_loop): Use build_int_cst instead of
1293 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1294 build_int_cst instead of convert.
1296 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1298 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1299 new value 2 for incoming.
1300 * function.c (expand_function_start): Call struct_value_rtx
1302 * config/sparc/sparc.md: Comment updated_return.
1303 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1304 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1305 struct return if sparc_std_struct_return and incoming is 2.
1306 (print_operand): Do not adjust return if
1307 sparc_std_struct_return.
1309 2006-04-04 Roger Sayle <roger@eyesopen.com>
1311 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1312 convert in the middle-end.
1313 * expr.c (store_expr, store_constructor, get_inner_reference,
1314 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1316 * tree.c (build_range_type): Likewise.
1318 2006-04-04 Tom Tromey <tromey@redhat.com>
1320 * doc/install.texi (Prerequisites): Mention jar.
1322 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1324 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1327 2006-04-04 Matthias Klose <doko@debian.org>
1329 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1330 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1333 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1335 * doc/extend.texi (Function Attributes): Rewrite visibility
1336 attribute documentation.
1337 * doc/invoke.texi (C++ Dialect Options): Rewrite
1338 -fvisibility-inlines-hidden documentation to describe something
1339 entirely different, although in practise compatible.
1340 (Code Gen Options): Warn about system headers in -fvisibiltity=
1343 * doc/extend.texi (Other Builtins): Document that
1344 __builtin_nan is a compile-time constant only when its argument
1347 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1349 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1350 trying to remove TRUNCATE check if all bits outside the new mode
1351 are identical to the sign bit.
1353 2006-04-03 Jeff Law <law@redhat.com>
1355 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1356 and operand scanning in some common cases.
1358 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1359 Dale Johannesen <dalej@apple.com>
1362 * regclass.c (struct reg_pref): Update documentation.
1363 (regclass): Set prefclass to NO_REGS if memory is the best option.
1364 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1365 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1366 into account. For non-registers, equate an empty preferred
1367 reload class to a `!' in the constraint; move the if clause to
1368 do so after those that reject the insn.
1369 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1371 (find_dummy_reload): Likewise.
1372 * doc/tm.texi (Register Classes): Document what it means
1373 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1374 * config/i386/i386.c (ix86_preferred_reload_class): Force
1375 using SSE registers (and return NO_REGS for floating-point
1376 constants) if math is done with SSE.
1377 (ix86_preferred_output_reload_class): New.
1378 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1379 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1380 * config/i386/i386.md: Remove # register preferences.
1382 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1385 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1386 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1387 the type of nb_iter.
1388 (instantiate_parameters_1): Convert the operands before calling
1389 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1390 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1392 2006-04-02 Roger Sayle <roger@eyesopen.com>
1394 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1395 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1397 * dojump.c (do_jump): Likewise.
1398 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1399 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1400 gimplify_boolean_expr): Likewise.
1401 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1402 * varasm.c (array_size_for_constructor): Likewise.
1403 * tree-object-size.c (compute_object_offset): Likewise.
1405 2006-04-02 Roger Sayle <roger@eyesopen.com>
1408 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1409 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1411 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1413 PR tree-optimization/26939
1414 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1416 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1418 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1419 at_stmt. Convert the type of operands before calling
1420 build_polynomial_chrec.
1421 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1423 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1424 (instantiate_parameters_1): Convert the type of operands before calling
1425 build_polynomial_chrec.
1426 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1427 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1428 reset_evolution_in_loop): Insert asserts to check the types of the
1430 (chrec_type): Moved...
1431 (eq_evolutions_p): Use operand_equal_p.
1432 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1433 the types of the operands.
1434 (chrec_type): ...here.
1435 * tree-data-ref.c (create_data_ref): Convert the operands before
1436 calling chrec_replace_initial_condition.
1437 (same_access_functions, analyze_subscript_affine_affine,
1438 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1439 (compute_subscript_distance, analyze_ziv_subscript,
1440 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1441 analyze_miv_subscript): Convert the operands before calling
1442 chrec_fold_minus or chrec_fold_plus.
1444 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1446 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1447 the dependence_relations vector.
1448 (compute_data_dependences_for_loop): Adjust call to
1449 compute_all_dependences.
1451 2006-04-01 Roger Sayle <roger@eyesopen.com>
1452 Richard Henderson <rth@redhat.com>
1454 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1455 gimple_boolify on the condition before calling gimplify_expr.
1457 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1459 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1460 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1461 the frame size. Update to use the new macros.
1462 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1463 * config/xtensa/ieee754-df.S: Likewise.
1465 2006-03-31 Richard Henderson <rth@redhat.com>
1467 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1468 (make_edges): ... here. Control fallthru creation with a local
1469 variable. Do not play with fake edges.
1470 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1471 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1474 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1476 * dwarf2.h (DW64_CIE_ID): Define.
1477 * dwarf2out.c (DWARF_CIE_ID): Define.
1478 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1479 length header. Use DWARF_CIE_ID.
1480 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1481 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1483 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1485 * config/sh/linux-atomic.asm: New file.
1486 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1488 2006-03-31 DJ Delorie <dj@redhat.com>
1490 * config/m32c/cond.md: Set condition flags properly throughout.
1491 * config/m32c/minmax.md: Likewise.
1492 * config/m32c/prologue.md: Likewise.
1493 * config/m32c/bitops.md: Likewise.
1494 * config/m32c/muldiv.md: Likewise.
1495 * config/m32c/mov.md: Likewise.
1496 * config/m32c/addsub.md: Likewise.
1497 * config/m32c/m32c.md: Likewise.
1498 * config/m32c/jump.md: Likewise.
1499 * config/m32c/shift.md: Likewise.
1501 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1502 conditionally output the pattern for this.
1503 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1504 (m32c_compare_redundant): New.
1505 (m32c_output_compare): New.
1506 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1508 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1509 dest, not src. Allow other 4-byte modes.
1511 2006-03-30 Denis Chertykov <denisc@overta.ru>
1513 * doc/md.texi: Refer to avr/constraints.md instead of
1516 2006-03-30 Roger Sayle <roger@eyesopen.com>
1518 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1519 signed vs. unsigned comparison failures on some hosts.
1521 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1524 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1525 change to FLOAT_REGS.
1527 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1528 (rs6000_override_options): Use it.
1529 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1530 only for -mabi=spe/no-spe and -mabi=altivec.
1532 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1534 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1537 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1539 * Makefile.in: Rename docdir to gcc_docdir.
1541 2006-03-30 Roger Sayle <roger@eyesopen.com>
1544 * expr.c (emit_group_store): Optimize group stores into a pseudo
1545 register by using a paradoxical subreg to initialize the destination
1546 if the first or last member of the group specifies a "low part".
1548 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1551 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1552 * target.h (struct gcc_target.speculate_insn): Change type of the
1553 second parameter to 'int'.
1554 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1555 the second operand of the DEPS_LIST.
1556 (copy_DEPS_LIST_list): Update reference to the second operand of the
1558 * rtl.h (alloc_DEPS_LIST): Update signature.
1559 * sched-int.h (ds_t): Change typedef to 'int'.
1560 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1562 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1564 * haifa-sched.c (try_ready): Change condition to restore
1565 non-speculative pattern of the instruction.
1566 (process_insn_depend_be_in_spec): Code to keep probability of the
1567 speculative dependence non-decreasing.
1569 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1571 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1572 (single_move_for_movmem): ... this. Also change all uses.
1573 (bfin_expand_strmov): Renamed to...
1574 (bfin_expand_movmem): ... this. Also change all uses.
1575 * config/bfin/bfin.md (movstrsi): Renamed to...
1576 (movstrsi): ...this.
1578 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1580 PR tree-optimization/26830
1582 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1583 (copy_prop_visit_stmt): Remove write-only variable ann.
1584 (init_copy_prop): Check variable loop depth here. Do not simulate
1585 memory-tag and virtual operand PHIs except for store copy prop.
1587 2006-03-30 Richard Guenther <rguenther@suse.de>
1589 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1590 variants with double arguments.
1592 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1594 * genpreds.c (write_tm_constrs_h): Delete variable p.
1595 * genconditions.c (write_header): Add tm-constrs.h to included
1597 * genpeep.c (main): Add toplev.h to included headers.
1598 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1599 (build/genpeep.o): Add toplev.h dependency.
1600 * config/rs6000/constraints.md: Add "W" constraint.
1602 2006-03-29 Roger Sayle <roger@eyesopen.com>
1604 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1605 sizes by correctly testing whether the size fits a host integer.
1606 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1607 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1608 SImode range for the default sizetype and bitsizetype.
1610 2006-03-29 Roger Sayle <roger@eyesopen.com>
1612 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1613 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1614 quickly if the argument is already of the correct type.
1615 Call fold_build1 instead of build1. Tidy up blank lines.
1617 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1619 * genemit.c (main): Add tm-constrs.h to included headers.
1620 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1621 * genpeep.c (main): Add tm-constrs.h to included headers.
1622 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1623 (write_tm_constrs_h): this and write complete file.
1624 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1625 (write_insn_preds_c): Add tm-constrs.h to included headers.
1626 (gen_constrs): New variable.
1627 (parse_option): Parse "-c".
1628 (main): Invoke write_tm_constrs_h.
1629 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1630 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1631 (object_out_file): Add tm-constrs.h dependency.
1632 (insn-emit.o): Same.
1633 (insn-output.o): Same.
1634 (insn-peep.o): Same.
1635 (insn-preds.o): Same.
1636 (insn-recog.o): Same.
1637 (tm-constsr.h): New target.
1638 (s-constrs-h): New target.
1640 * config/rs6000/constraints.md: New file.
1641 * config/rs6000/rs6000.c: Include tm-constrs.h.
1642 (num_insn_constant_wide): Convert to satisfies_constraint.
1643 (rs6000_rtx_costs): Convert to satisfies_constraint.
1644 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1645 (CONST_OK_FOR_LETTER_P): Delete.
1646 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1647 (EXTRA_CONSTRAINT): Delete.
1648 (EXTRA_MEMORY_CONSTRAINT): Delete.
1649 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1650 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1651 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1652 satisfies_constraint.
1654 * config/i386/i386.c: Include tm-constrs.h.
1656 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1658 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1659 * tree-data-ref.c (find_data_references_in_loop,
1660 compute_data_dependences_for_loop): Use pointers to VEC.
1661 (analyze_all_data_dependences): Adjust calls.
1662 * tree-data-ref.h (find_data_references_in_loop,
1663 compute_data_dependences_for_loop): Adjust declarations.
1664 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1665 compute_data_dependences_for_loop.
1667 2006-03-29 Paul Brook <paul@codesourcery.com>
1669 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1672 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1674 PR tree-optimization/26859
1675 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1677 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1678 for the step after fold_convert.
1680 2006-03-29 Paul Brook <paul@codesourcery.com>
1682 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1683 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1685 2006-03-29 Paul Brook <paul@codesourcery.com>
1688 * targhooks.c (default_narrow_bitfield): New fuction.
1689 * targhooks.h (default_narrow_bitfield): add prototype.
1690 * target.h (gcc_target): Add narrow_volatile_bitfield.
1691 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1692 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1693 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1694 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1696 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1698 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1700 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1701 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1702 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1703 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1704 (s390_function_arg_float): Allow SDmode and DDmode values to be
1705 passed in floating point registers.
1706 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1707 check with SCALAR_FLOAT_MODE_P.
1708 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1710 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1712 PR tree-optimization/25985
1713 * tree-ssa-loop-niter.c (number_of_iterations_le,
1714 number_of_iterations_ne): Make comments more precise.
1715 (number_of_iterations_cond): Add only_exit argument. Use the
1716 fact that signed variables do not overflow only when only_exit
1718 (loop_only_exit_p): New.
1719 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1720 number_of_iterations_cond.
1722 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1724 PR tree-optimization/26643
1725 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1728 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1730 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1731 (divsi3_i4_int): Likewise.
1733 2006-03-28 Roger Sayle <roger@eyesopen.com>
1735 * expr.c (emit_group_store): Only create a new pseudo reg if the
1736 quantity it needs to hold isn't already a suitable pseudo.
1738 2006-03-28 Jeff Law <law@redhat.com>
1740 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1741 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1743 2006-03-28 Roger Sayle <roger@eyesopen.com>
1745 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1746 the equivalent ~X & Y, and the symmetry related transformations.
1747 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1748 ~X & Y, and symmetry related transforms.
1750 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1752 Revert my 2006-03-27 patches.
1754 2006-03-28 Roger Sayle <roger@eyesopen.com>
1756 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1757 ~(T1)X, when T1 and T2 are integer types of the same precision
1758 and (T2)X isn't an extension.
1760 2006-03-28 Jeff Law <law@redhat.com>
1762 PR tree-optimization/26796
1763 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1764 need EH edge cleanups rather than purging them immediately.
1765 (eliminate_degenerate_phis): Handle queued EH cleanups.
1767 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1769 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1772 2006-03-27 Roger Sayle <roger@eyesopen.com>
1775 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1776 cast BIT_NOT_EXPR operand to the correct type.
1778 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1780 * tree-loop-linear.c: Don't include varray.h.
1781 (gather_interchange_stats, try_interchange_loops,
1782 linear_transform_loops): Use VEC instead of VARRAY.
1783 * lambda-mat.c: Don't include varray.h.
1784 * tree-chrec.c: Same.
1785 * lambda-trans.c: Same.
1786 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1787 VEC instead of VARRAY.
1788 * tree-vectorizer.h: Idem.
1789 * tree-data-ref.c (dump_data_references,
1790 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1791 initialize_data_dependence_relation, finalize_ddr_dependent,
1792 compute_all_dependences, find_data_references_in_loop,
1793 compute_data_dependences_for_loop, analyze_all_data_dependences,
1794 free_dependence_relation, free_dependence_relations,
1795 free_data_refs): Idem.
1796 * tree-data-ref.h (data_reference_p, subscript_p): New.
1797 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1798 VEC instead of VARRAY.
1799 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1800 (find_data_references_in_loop, compute_data_dependences_for_loop,
1801 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1802 dump_data_dependence_relations, free_dependence_relations,
1803 free_data_refs): Adjust declaration.
1804 (lambda_transform_legal_p): Move declaration here...
1805 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1806 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1807 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1808 vect_analyze_data_refs): Use VEC instead of VARRAY.
1809 * lambda.h (lambda_transform_legal_p): ...from here.
1810 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1811 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1812 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1813 tree-chrec.o): Don't depend on VARRAY_H.
1815 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1817 * rtl.def (Copyright): Update date.
1818 (DEPS_LIST): Change type of the second operand to 'int'.
1819 * target.h (Copyright): Update date.
1820 (struct gcc_target.speculate_insn): Change type of the second parameter
1822 * lists.c (Copyright): Update date.
1823 (alloc_DEPS_LIST): Change signature. Update reference to the second
1824 operand of the DEPS_LIST.
1825 (copy_DEPS_LIST_list): Update reference to the second operand of the
1827 * rtl.h (Copyright): Update date.
1828 (alloc_DEPS_LIST): Update signature.
1829 * sched-int.h (Copyright): Update date.
1830 (ds_t): Change typedef to 'int'.
1831 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1833 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1835 * haifa-sched.c (Copyright): Update date.
1836 (try_ready): Change condition to restore non-speculative pattern
1838 (process_insn_depend_be_in_spec): Code to keep probability of the
1839 speculative dependence non-decreasing.
1841 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1843 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1844 shut up the compiler.
1846 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1848 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1849 to use lib prefix for target.
1850 ($(T)libic_invalidate_array_4-200.a): Likewise.
1851 ($(T)libic_invalidate_array_4a.a): Likewise.
1853 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1854 J"orn Rennecke <joern.rennecke@st.com>
1856 * superh.opt: New file.
1857 * sh.c (boardtype, osruntime): Remove.
1858 * superh.h (SUBTARGET_OPTIONS): Remove.
1859 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1861 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1862 arguments with ^ and/or [].
1864 * config.gcc (sh-*-*): Add quoting to account for quirk of
1866 Replace == with = in enable_incomplete_targets test.
1868 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1869 with MASK_LITTLE_ENDIAN.
1871 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1872 * config/sh/sh.opt: Added to some comments.
1873 * config/sh/superh.h: Removed some chaff.
1875 * config/sh/sh.opt: Add m4-[1234]00* options.
1876 * config/sh/sh.c (sh_handle_option): Likewise.
1877 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1878 (ic_invalidate_array_4-100.o): New rule.
1879 ($(T)libic_invalidate_array_4-100.a): Likewise.
1880 (ic_invalidate_array_4-200.o): Likewise.
1881 ($(T)libic_invalidate_array_4-200.a): Likewise.
1882 (ic_invalidate_array_4a.o): Likewise.
1883 ($(T)libic_invalidate_array_4a.a): Likewise.
1884 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1885 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1887 * config/sh/crt1.asm: Merged in profiling code.
1888 * config/sh/superh.h (STARTFILE_SPEC): Override.
1889 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1890 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1891 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1893 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1894 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1895 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1897 * sh.opt (mpretend-cmove): New option.
1898 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1899 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1900 (movsicc): Add TARGET_PRETEND_CMOVE code.
1902 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1904 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1905 s390_class_max_nregs): New function prototypes.
1906 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1907 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1908 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1909 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1911 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1913 * dwarf2out.c (add_location_or_const_value_attribute): Call
1914 tree_add_const_value_attribute if nothing else works.
1915 (reference_to_unused): New.
1916 (rtl_for_decl_init): Use reference_to_unused to decide whether
1917 to output an initializer.
1919 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1922 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1923 peephole removing spe frob_di_df_2.
1925 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1927 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1928 (subscript_dependence_tester_1): Declared.
1929 (print_dir_vectors, print_dist_vectors): New.
1930 (debug_data_dependence_relation): New.
1931 (dump_data_dependence_relation): Print more details.
1932 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1933 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1934 (save_dist_v, save_dir_v, add_outer_distances,
1935 build_classic_dist_vector_1): New.
1936 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1937 Don't test for lambda_vector_lexico_pos.
1938 (same_access_functions, add_multivariate_self_dist,
1939 add_other_self_distances, dir_from_dist): New.
1940 (build_classic_dir_vector): Replace implementation almost identical to
1941 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1943 (subscript_dependence_tester_1): New.
1944 (subscript_dependence_tester): Handle the lexicographically negative
1945 distance vectors by recomputing the dependence relation.
1946 (compute_affine_dependence): Remove parameter loop_nest_depth.
1947 (compute_self_dependence): Don't call compute_subscript_distance.
1948 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1949 Add a parameter for the loop_nest.
1950 (find_loop_nest_1, find_loop_nest): New.
1951 (compute_data_dependences_for_loop): Compute the loop nest, and give
1952 up if the nest is not well formed.
1953 * tree-data-ref.h (loop_p): New.
1954 (struct data_dependence_relation): Replace size_vect field with
1955 loop_nest, a vec of loops.
1956 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1957 (DDR_LOOP_NEST): New.
1958 (print_dir_vectors, print_dist_vectors,
1959 debug_data_dependence_relation): Declared.
1960 (index_in_loop_nest): New.
1961 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1962 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1965 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1967 * simplify-rtx.c (simplify_relational_operation): Call
1968 simplify_relational_operation_1 even if mode is VOIDmode.
1970 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1972 PR tree-optimization/26804
1973 * tree.h (DECL_CALL_CLOBBERED): New macro.
1974 (tree_decl_common): Add call_clobbered_flag.
1975 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1976 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1977 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1978 (mark_non_addressable): Ditto.
1979 * tree-ssa.c (verify_call_clobbered): New function.
1980 (verify_alias_info): Use it.
1981 * tree-pass.h (pass_reset_cc_flags): New prototype.
1982 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1983 (reset_cc_flags): New function.
1984 * passes.c (init_optimization_passes): Call reset_cc_flags after
1985 initializing referenced_vars.
1987 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1988 Roger Sayle <roger@eyesopen.com>
1991 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1992 to 1.0 for non-real operands. Implement A / A optimization for
1995 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1997 * config/i386/i386.c (size_cost): Correct the comment for
1998 cost of storing fp registers.
1999 (i386_cost): Likewise.
2000 (i486_cost): Likewise.
2001 (pentium_cost): Likewise.
2002 (pentiumpro_cost): Likewise.
2003 (k6_cost): Likewise.
2004 (athlon_cost): Likewise.
2005 (k8_cost): Likewise.
2006 (pentium4_cost): Likewise.
2007 (nocona_cost): Likewise.
2008 (generic64_cost): Likewise.
2009 (generic32_cost): Likewise.
2011 2006-03-24 Denis Chertykov <denisc@overta.ru>
2013 * config/avr/avr-protos.h (extra_constraint): Delete.
2014 (extra_constraint_Q): New declaration.
2015 * config/avr/constraints.md: New file.
2016 * config/avr/avr.md: Include it.
2017 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2018 (TMP_REGNO, ZERO_REGNO): Likewise.
2019 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2020 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2021 (extra_constraint): Delete.
2022 (extra_constraint_Q): Test for memory constraint 'Q'.
2023 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2024 (REG_CLASS_FROM_LETTER): Delete.
2025 (CONST_OK_FOR_LETTER_P): Delete.
2026 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2027 (EXTRA_CONSTRAINT): Delete.
2028 (TMP_REGNO): Delete.
2029 (ZERO_REGNO): Delete.
2031 2006-03-24 Jeff Law <law@redhat.com>
2033 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2034 directly. Call mark_new_vars_to_rename slightly earlier.
2036 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2038 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2040 (gen_compile_unit_die): Use new language types for Objective-C and
2042 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2043 DW_LANG_C_plus_plus.
2046 * config/t-darwin (crt3.o): Work around bug 26840.
2047 * config/darwin-crt3.c: Rewrite.
2048 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2050 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2052 * doc/invoke.texi: Document -femit-class-debug-always
2053 * common.opt: Add -femit-class-debug-always.
2055 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2057 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2058 index and base register.
2059 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2060 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2061 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2062 REGNO_OK_FOR_INDEX_P.
2063 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2065 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2066 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2067 REG_OK_FOR_BASE_P): Definitions removed.
2069 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2072 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2073 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2074 set yet or weren't marked as local yet.
2076 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2078 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2081 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2083 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2084 (rs6000_legitimate_small_data_p): Delete.
2085 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2086 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2087 and make static. Add forward declaration. Update uses.
2088 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2089 of offsettable_memref_p.
2090 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2091 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2093 2006-03-24 Jeff Law <law@redhat.com>
2095 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2096 around bug in immediate-use iterator.
2098 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2101 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2102 or __LITTLE_ENDIAN__.
2104 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2106 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2107 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2108 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2109 * config/sh/sh.opt (mdiv=): Amend description.
2110 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2111 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2112 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2113 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2114 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2115 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2116 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2117 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2118 TARGET_DIVIDE_CALL_FP.
2120 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2122 * haifa-sched.c (choose_ready): Fix type of the local variable.
2123 Move local variables. Add comment.
2124 (check_reg_live): Change signature. Make callable from debugger.
2125 * sched-int.h (check_reg_live): Update signature.
2126 * sched-ebb.c (check_reg_live): Update parameters.
2127 * sched-rgn.c (check_reg_live): Ditto.
2128 (region_head_or_leaf_p): Check pointer before dereferencing.
2129 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2130 before reload on optimization levels below 1.
2132 2006-03-23 Richard Henderson <rth@redhat.com>
2134 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2138 * config/alpha/predicates.md (local_symbolic_operand): Reject
2141 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2144 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2145 expressions which have overflowed constants.
2147 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2149 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2151 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2153 * cfgloopmanip.c (create_loop_notes): Removed.
2154 * final.c (final_scan_insn): Do not handle loop notes.
2155 * jump.c (squeeze_notes): Ditto.
2156 * cfglayout.c (skip_insns_after_block,
2157 duplicate_insn_chain): Ditto.
2158 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2160 * cfgloop.h (create_loop_notes): Declaration removed.
2162 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2164 * varasm.c (output_constant_pool): Restore fnname and fndecl
2166 (assemble_start_function): Adjust call accordingly.
2167 (assemble_end_function): Likewise.
2169 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2172 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2175 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2177 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2180 * system.h (ICE_EXIT_CODE): New macro.
2181 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2182 (diagnostic_action_after_output): Likewise.
2183 * gcc.c (fatal_ice): New function.
2184 (execute): Use it instead of fatal.
2185 (fancy_abort): Likewise.
2186 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2188 2006-03-22 Jeff Law <law@redhat.com>
2190 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2191 iv_analyze_result returning false.
2193 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2195 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2197 2006-03-22 Richard Henderson <rth@redhat.com>
2200 * except.c (duplicate_eh_regions_0): New.
2201 (duplicate_eh_region_1): Duplicate the children of the node as
2202 well as the node itself. Link them up properly.
2203 (duplicate_eh_region_2): Merge into ...
2204 (duplicate_eh_regions): ... here. Take copy_region argument, and
2205 copy only a sub-tree if asked. Simplify copying and fixup.
2206 (eh_region_outer_p): New.
2207 * except.h (duplicate_eh_regions): Update decl.
2208 (eh_region_outer_p): Declare.
2209 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2210 (lower_omp_master): Likewise.
2211 (lower_omp_ordered): Likewise.
2212 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2213 (move_stmt_r): Use it to remap labels. Handle recursion vs
2214 remap_decls_p properly.
2215 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2216 (find_outermost_region_in_block): New.
2217 (new_label_mapper): New.
2218 (move_sese_region_to_fn): Copy eh information to the new function
2220 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2222 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2225 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2227 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2228 into shared libraries.
2230 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2232 * doc/md.texi: Refer to i386/constraints.md instead of
2234 * config/i386/constraints.md: New file, extracted from...
2235 * config/i386/predicates.md: ...here.
2236 * config/i386/i386.md: Include constraints.md.
2238 2006-03-21 Jason Merrill <jason@redhat.com>
2240 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2243 * expr.c (init_block_move_fn): Force default visibility.
2244 (init_block_clear_fn): Likewise.
2245 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2246 * targhooks.c (default_external_stack_protect_fail): Likewise.
2248 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2250 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2251 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2252 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2253 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2254 (loadgp): Use mips_current_loadgp_style.
2255 (loadgp_noshared): New pattern.
2256 (sibcall_internal): Use MIPS_CALL.
2257 (sibcall_value_internal): Likewise.
2258 (sibcall_value_multiple_internal): Likewise.
2259 (call_internal): Likewise.
2260 (call_value_internal): Likewise.
2261 (call_value_multiple_internal): Likewise.
2262 (call_split): Use MIPS_CALL and add an 'S' constraint.
2263 (call_value_split): Likewise.
2264 (call_value_multiple_split): Likewise.
2265 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2266 (-mshared): New option.
2267 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2268 (mips_current_loadgp_style): Declare.
2269 * config/mips/mips.c (mips_classify_symbol): Avoid using
2270 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2271 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2272 TARGET_ABSOLUTE_ABICALLS.
2273 (override_options): Adjust comments. Improve the warning that is
2274 issued when -mabicalls and -G are used together.
2275 (mips_file_start): Remove comment.
2276 (mips_current_loadgp_style): New function.
2277 (mips_gnu_local_gp): New variable.
2278 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2280 (mips_output_function_prologue): Use mips_current_laodgp_style.
2281 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2282 the cprestore instruction.
2283 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2284 live for TARGET_ABSOLUTE_ABICALLS.
2285 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2286 (ASM_SPEC): Pass down -mshared and -mno-shared.
2287 (MIPS_CALL): New macro.
2288 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2290 * doc/invoke.texi (-mabicalls): Update documentation.
2291 (-mshared): Document.
2293 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2295 * config/ia64/unwind-hpux.c: New file.
2296 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2298 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2301 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2303 2006-03-21 Jeff Law <law@redhat.com>
2305 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2306 type conversions of a VR_VARYING source to a wider type.
2308 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2310 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2311 tm_file on Solaris 10 and later.
2312 (sparc64-*-solaris2*): Likewise.
2313 (sparc-*-solaris2*): Likewise.
2314 * config/sol26.h: Rename to config/sol2-6.h.
2315 * config/sol2-10.h: New file.
2317 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2320 * tree-ssa-pre.c (create_component_ref_by_pieces):
2323 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2326 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2327 return it immediately.
2329 2006-03-21 Michael Matz <matz@suse.de>
2331 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2333 (remove_arc, add_arc): Update num_out_arcs member.
2334 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2336 (cache_presence): New function.
2337 (compare_states_for_equiv): New function.
2338 (state_is_differed): Don't take number of outargs, adjust callers.
2339 Use new invariant for speeding up.
2340 (init_equiv_class): Create initial classes based on sorted
2342 (partition_equiv_class): Don't track out_arcs_num.
2343 (evaluate_equiv_classes): Call cache_presence on all states and
2346 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2348 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2349 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2350 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2351 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2353 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2354 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2355 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2356 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2357 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2359 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2360 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2361 (REGNO_REG_CLASS): ARGP is in PREGS.
2362 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2364 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2365 to deal with those addresses.
2366 * addresses.h: New file.
2367 * caller-save.c: Include "addresses.h".
2368 (init_caller_save): Use new base_reg_class function.
2369 * rtl-factoring.c: Include "addresses.h".
2370 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2371 * recog.c: Include "addresses.h".
2372 (preprocess_constraints): Use new base_reg_class function.
2373 * regrename.c: Include "addresses.h".
2374 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2375 functions. Keep track of a new var INDEX_CODE to compute valid
2377 (replace_oldest_value_addr): Likewise.
2378 (replace_oldest_value_mem): Use base_reg_class.
2379 * reload.c: Include "addresses.h".
2380 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2381 (find_reloads): Use new base_reg_class function.
2382 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2383 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2384 all callers and prototype changed.
2385 * reload1.c: Include "addresses.h".
2386 (maybe_fix_stack_asms): Use base_reg_class.
2387 * regclass.c: Include "addresses.h".
2388 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2389 (init_reg_autoinc): Use new base_reg_class function.
2390 (record_reg_classes): Likewise.
2391 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2392 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2393 Use new args to compute necessary class.
2395 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2396 regrename.o, rtl-factoring.o): Update dependencies.
2397 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2398 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2399 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2400 REG_OK_FOR_INDEX_P): Delete documentation.
2402 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2404 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2405 from V7 to V9 for Solaris 7 and above.
2407 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2409 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2410 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2411 argument pointers may not alias any other storage.
2412 * common.opt: Define option -fargument-noalias-anything.
2413 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2414 alias semantics is specified by flag_argument_noalias > 2.
2416 2006-03-20 Jeff Law <law@redhat.com>
2418 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2419 (pass_phi_only_cprop): Declare.
2420 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2422 * tree-ssa-dom.c (degenerate_phi_result): New function.
2423 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2424 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2425 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2426 (eliminate_degenerate_phis): Likewise.
2427 (pass_phi_only_cprop): New pass descriptor.
2428 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2429 support code. Callers updated.
2430 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2431 (store_copy_prop): Likewise.
2432 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2434 2006-03-20 Jason Merrill <jason@redhat.com>
2437 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2438 (push_visibility, pop_visibility): Likewise.
2439 * c-pragma.h: Declare them.
2441 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2443 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2445 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2446 parameter and use get_ebb_head_tail.
2447 (sh_md_init_global): Adjust uses of find_regmode_weight.
2449 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2451 * function.h (struct function) <x_tail_recursion_reentry>:
2452 Rename to x_stack_check_probe_note.
2453 (tail_recursion_reentry): Rename to stack_check_probe_note.
2454 * function.c: Replace tail_recursion_reentry with
2455 stack_check_probe_note everywhere.
2456 (expand_function_start): Only emit a note for
2457 stack_check_probe_note with -fstack-protect.
2458 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2460 * emit-rtl.c (remove_unnecessary_notes): Remove.
2461 (pass_remove_unnecessary_notes): Remove.
2462 * rtl.h (remove_unnecessary_notes): Remove prototype.
2463 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2464 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2465 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2467 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2470 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2471 (valid_in_set): Handle ARRAY_REF.
2472 Change "if min_variant or VH" to asserts.
2473 (create_component_ref_by_pieces): Handle ARRAY_REF.
2474 (create_expression_by_pieces): Likewise.
2475 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2477 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2479 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2480 is operand of switch, not str[0].
2482 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2484 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2485 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2487 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2489 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2490 end of insn_extra_address_constraint declaration.
2492 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2494 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2495 (no-sum-in-toc): Same.
2496 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2498 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2499 NO_FP_IN_TOC for -fPIC instead of mask.
2501 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2502 (BOOT_LDFLAGS): Delete.
2504 * config/rs6000/t-aix52: Same.
2506 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2507 (stmsi[345678]_power): New.
2509 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2511 * config/ia64/ia64.opt: Add empty line to end of file.
2513 2006-03-17 Richard Guenther <rguenther@suse.de>
2516 * builtins.c (get_pointer_alignment): For component style references
2517 adjust alignment to the component type alignment. Make sure
2518 to adjust alignment for component access of constants.
2520 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2522 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2525 2006-03-17 Paul Brook <paul@codesourcery.com>
2527 * doc/install.texi: Docuemnt --with-mode.
2528 * config.gcc: Add --with-mode for arm*-*-*.
2529 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2531 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2533 * sh.c (max_labelno_before_reorg): New variable.
2534 (sh_reorg): Initialize it.
2535 (find_barrier): Check max_labelno_before_reorg before using
2536 label_to_alignment. Take length of explicit alignment insns
2537 into account. When seeing a UNSPECV_CONST_END, return it.
2539 * sh.c (fixup_mova): Set mode of affected label to QImode.
2540 (untangle_mova): New function.
2541 (find_barrier): Use it. Check mode of label before decrementing
2543 (sh_reorg): Likewise.
2544 Set mode of all insns back to VOIDmode.
2546 * sh.c (MOVA_LABELREF): New macro.
2547 (mova_p, fixup_mova, sh_reorg): Use it.
2548 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2549 ADDR_DIFF_VEC matches mova.
2551 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2553 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2554 with ATTRIBUTE_UNUSED.
2556 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2558 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2559 pointer, instead of assuming it is possible to derive the
2560 correct args size from a call insn.
2562 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2564 * rtl.h (CONST_INT_P): Define.
2565 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2566 instead of GET_CODE(x) == CONST_INT.
2567 (vax_rtx_costs): Likewise.
2568 (vax_output_int_move): Likewise.
2569 (vax_output_int_add): Likewise.
2570 (legitimate_constant_address_p): Likewise.
2571 (index_term_p): Likewise.
2572 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2573 * config/vax/vax.md (and<mode>3): Likewise.
2574 (ashrsi3): Likewise.
2576 (movstricthi): Likewise.
2577 (movstrictqi): Likewise.
2578 (rotrsi3): Likewise.
2579 (five unnamed insns): Likewise.
2581 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2583 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2584 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2585 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2586 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2587 Pass to ASM_OUTPUT_DWARF_OFFSET.
2588 * dwarf2out.c (debug_frame_section): New.
2589 (output_call_frame_info): Use debug_frame_section. Pass it to
2590 dw2_asm_output_offset.
2591 (output_die): Pass appropriate section to dw2_asm_output_offset.
2592 (output_compilation_unit_header): Likewise.
2593 (output_pubnames): Likewise.
2594 (output_aranges): Likewise.
2595 (enum dw_val_class): Break dw_val_class_lbl_offset into
2596 dw_val_class_lineptr and dw_val_class_macptr.
2597 (add_AT_lbl_offset): Delete.
2598 (add_AT_lineptr): New.
2599 (add_AT_macptr): New.
2600 (AT_lbl): Expect a lineptr or macptr.
2601 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2602 (attr_checksum): Likewise.
2603 (same_dw_val_p): Likewise.
2604 (size_of_die): Likewise.
2605 (value_format): Likewise.
2606 (output_die): Likewise.
2607 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2609 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2610 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2611 * config/darwin-protos.h (darwin_file_start): New.
2612 (darwin_asm_output_dwarf_offset): New.
2613 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2614 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2616 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2617 if not EH section; simplify.
2618 (darwin_file_start): New.
2619 (darwin_asm_output_dwarf_offset): New.
2620 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2622 (DEBUG_INFO_SECTION): Likewise.
2623 (DEBUG_ABBREV_SECTION): Likewise.
2624 (DEBUG_ARANGES_SECTION): Likewise.
2625 (DEBUG_MACINFO_SECTION): Likewise.
2626 (DEBUG_LINE_SECTION): Likewise.
2627 (DEBUG_LOC_SECTION): Likewise.
2628 (DEBUG_PUBNAMES_SECTION): Likewise.
2629 (DEBUG_STR_SECTION): Likewise.
2630 (DEBUG_RANGES_SECTION): Likewise.
2631 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2632 (ASM_OUTPUT_DWARF_OFFSET): New.
2634 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2636 * config.gcc (tm_defines): Always add to previous value rather
2639 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2641 * config/mips/predicates.md (splittable_const_int_operand): New,
2642 split from move_operand.
2643 (splittable_symbolic_operand): New.
2644 (move_operand): Add commentary. Use splittable_const_int_operand.
2645 Inline mips_atomic_symbolic_constant_p.
2646 * config/mips/mips.md: Add combine splitters for handling moves
2647 of splittable_const_int_operands and splittable_symbolic_operands.
2648 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2649 (mips_split_symbol): Declare.
2650 (mips_move_integer): Declare.
2651 * config/mips/mips.c (mips_split_p): Make global.
2652 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2653 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2654 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2655 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2656 (mips_offset_within_object_p): Handle block symbols.
2657 (mips_atomic_symbolic_constant_p): Delete.
2658 (mips_cannot_force_const_mem): Return false for constants that
2659 mips_legitimize_move can handle.
2660 (mips_use_blocks_for_constant_p): New function.
2661 (mips_split_symbol): Make global.
2662 (mips_move_integer): Likewise. Add a temporary register argument.
2663 (mips_legitimize_const_move): Use splittable_const_int_operand and
2664 splittable_symbolic_operand.
2665 (mips_use_anchors_for_symbol_p): New function.
2666 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2667 (mips_split_p): Declare.
2669 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2671 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2672 (mips*-*-linux*): Likewise.
2674 2006-03-16 Roger Sayle <roger@eyesopen.com>
2675 Daniel Speyer <dspeyer@wam.umd.edu>
2678 * tree-dump.c (dump_real): New function.
2679 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2680 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2681 (tree-dump.o): Add $(REAL_H) to the dependencies.
2683 2006-03-16 Roger Sayle <roger@eyesopen.com>
2686 * real.c (real_from_string): If the mantissa is zero, don't bother
2687 parsing the exponent as the result should always be zero.
2689 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2691 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2693 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2695 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2696 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2697 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2698 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2699 ia64_sched_finish_global): New static functions to implement
2700 hooks from gcc_target.sched.
2701 (spec_check_no, max_uid, pending_data_specs): New static variables.
2702 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2703 ia64_spec_check_src_p): New static functions.
2704 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2705 (TARGET_SCHED_ADJUST_COST): Removed.
2706 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2707 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2708 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2709 TARGET_SCHED_GEN_CHECK,
2710 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2711 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2712 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2713 Fixed to handle speculation checks.
2714 (rtx_needs_barrier): Fixed to handle speculative loads and
2716 (ia64_variable_issue): Added code to count speculative loads and their
2718 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2720 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2722 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2724 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2725 (ia64_reorg): Reset stops_p to NULL after it is freed.
2726 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2727 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2728 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2730 (data_speculative, control_speculative, check_load): New attributes.
2731 (mov<mode>_advanced, mov<mode>_speculative,
2732 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2733 zero_extend<mode>di2_speculative,
2734 zero_extend<mode>di2_speculative_advanced): New patterns for
2735 data and control speculative loads.
2736 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2738 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2739 New pattern for data and control speculation checks.
2740 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2741 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2742 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2743 Auxiliary definitions for the patterns.
2744 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2745 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2747 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2749 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2750 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2751 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2752 New resource constraints.
2753 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2755 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2756 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2757 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2758 msched-in-control-spec, msched-ldc, msched-control-ldc,
2759 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2760 msched-prefer-non-control-spec-insns,
2761 msched-count-spec-in-critical-path): New flags to tune speculative
2763 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2764 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2765 msched-in-control-spec, msched-ldc, msched-control-ldc,
2766 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2767 msched-prefer-non-control-spec-insns,
2768 msched-count-spec-in-critical-path): Document new flags.
2770 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2772 * target.h (struct spec_info_def): New opaque declaration.
2773 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2774 speculate_insn, needs_block_p, gen_check,
2775 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2776 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2777 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2778 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2779 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2780 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2782 (TARGET_SCHED): Use new macros.
2783 * rtl.h (copy_DEPS_LIST_list): New prototype.
2784 * sched-int.h (struct sched_info): Change signature of new_ready field,
2785 adjust all initializations. New fields: add_remove_insn,
2786 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2787 region_head_or_leaf_p.
2788 (struct spec_info_def): New structure declaration.
2789 (spec_info_t): New typedef.
2790 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2791 recovery_block, orig_pat.
2792 (glat_start, glat_end): New variables declaraions.
2793 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2795 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2796 DETACH_LIFE_INFO, USE_GLAT.
2797 (enum SPEC_SCHED_FLAGS): New enumeration.
2798 (NOTE_NOTE_BB_P): New macro.
2799 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2800 attach_life_info, debug_spec_status, check_reg_live): New functions.
2801 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2802 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2804 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2805 * ddg.c (get_block_head_tail): Adjust all uses.
2806 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2807 (sms_sched_info): Initialize new fields.
2808 (contributes_to_priority): Removed.
2809 * haifa-sched.c (params.h): New include.
2810 (get_block_head_tail): Adjust all uses.
2811 (ISSUE_POINTS): New macro.
2812 (glat_start, glat_end): New global variables.
2813 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2814 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2815 old_last_basic_block, before_recovery, current_sched_info_var,
2816 rgn_n_insns, luid): New static variables.
2817 (insn_cost1): New function. Move logic from insn_cost to here.
2818 (find_insn_reg_weight1): New function. Move logic from
2819 find_insn_reg_weight to here.
2820 (reemit_notes, move_insn, max_issue): Change signature.
2821 (move_insn1): Removed.
2822 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2823 extend_bb): New static functions to support extension of scheduler's
2825 (generate_recovery_code, process_insn_depend_be_in_spec,
2826 begin_speculative_block, add_to_speculative_block,
2827 init_before_recovery, create_recovery_block, create_check_block_twin,
2828 fix_recovery_deps): New static functions to support
2829 generation of recovery code.
2830 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2831 restore_bb_notes, move_block_after_check, move_succs): New static
2832 functions to support ebb scheduling.
2833 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2834 functions to support handling of register live information.
2835 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2836 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2837 add_jump_dependencies): New static functions.
2838 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2839 consistancy checking.
2840 (debug_spec_status): New function to call from debugger.
2841 (priority): Added code to handle speculation checks.
2842 (rank_for_schedule): Added code to distinguish speculative instructions.
2843 (schedule_insn): Added code to handle speculation checks.
2844 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2845 Fixed to handle ebbs.
2846 (move_insn): Added code to handle ebb scheduling.
2847 (max_issue): Added code to use ISSUE_POINTS of instructions.
2848 (choose_ready): Added code to choose between speculative and
2849 non-speculative instructions.
2850 (schedule_block): Added code to handle ebb scheduling and scheduling of
2851 speculative instructions.
2852 (sched_init): Initialize new variables.
2853 (sched_finish): Free new variables. Print statistics.
2854 (try_ready): Added code to handle speculative instructions.
2855 * lists.c (copy_DEPS_LIST_list): New function.
2856 * sched-deps.c (extend_dependency_caches): New function. Move logic
2857 from create_dependency_caches to here.
2858 (get_dep_weak, ds_merge): Make global.
2859 * genattr.c (main): Code to output prototype for
2860 dfa_clear_single_insn_cache.
2861 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2862 (output_dfa_clean_insn_cache_func): Code to output
2863 dfa_clear_single_insn_cache function.
2864 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2866 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2868 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2869 New static variables.
2870 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2871 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2873 (ebb_sched_info): Initialize new fields.
2874 (get_block_head_tail): Adjust all uses.
2875 (compute_jump_reg_dependencies): Fixed to use glat_start.
2876 (schedule_ebb): Code to remove unreachable last block.
2877 (schedule_ebbs): Added code to update register live information.
2878 * sched-rgn.c (region_sched_info): Initialize new fields.
2879 (get_block_head_tail): Adjust all uses.
2880 (last_was_jump): Removed. Adjust users.
2881 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2882 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2883 Implement new hooks.
2884 (check_dead_notes1): New static function.
2885 (struct region): New fields: dont_calc_deps, has_real_ebb.
2886 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2887 (BB_TO_BLOCK): Fixed to handle EBBs.
2888 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2889 (ebb_head): New static variable.
2890 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2891 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2893 (compute_dom_prob_ps): New assertion.
2894 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2895 global_live_at_start.
2896 (init_ready_list): New assertions.
2897 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2898 (new_ready): Add support for BEGIN_CONTROL speculation.
2899 (schedule_insns): Fixed code that updates register live information
2901 (schedule_region): Fixed to handle EBBs.
2902 (init_regions): Use extend_regions and check_dead_notes1.
2903 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2904 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2905 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2906 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2907 TARGET_SCHED_GEN_CHECK,
2908 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2909 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2910 * doc/invoke.texi (max-sched-insn-conflict-delay,
2911 sched-spec-prob-cutoff): Document.
2913 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2915 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2916 inter_tick, queue_index.
2917 (struct sched_info): Change signature of init_ready_list field.
2918 Adjust all initializations.
2919 (RESOLVED_DEPS): New access macro.
2920 (ready_add): Remove prototype.
2921 (try_ready): Add prototype.
2922 * sched-rgn.c (init_ready_list): Use try_ready.
2923 (schedule_region): Initialize
2924 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2925 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2926 (init_ready_list): Use try_ready.
2927 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2928 * lists.c (remove_list_elem): Remove `static'.
2929 (remove_free_INSN_LIST_elem): New function.
2930 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2931 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2932 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2934 (readyp): New variable.
2935 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2936 change_queue_index, resolve_dep): New static functions.
2937 (try_ready): New function. Adjust callers in sched-rgn.c and
2938 sched-ebb.c to use it instead of ready_add.
2939 (clock_var): Move at the begining of file.
2940 (rank_for_schedule): Fix typo.
2941 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2942 (ready_lastpos): Enforce assertion.
2943 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2945 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2946 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2947 (queue_to_ready): Use free_INSN_LIST_list.
2948 (early_queue_to_ready): Fix typo.
2949 (schedule_block): Init readyp. Move init_ready_list call after the
2950 initialization of clock_var. Fix error in rejecting insn by
2951 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2952 that previously corrected INSN_TICKs. Add code for handling
2954 (set_priorities): Fix typo.
2955 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2956 Clarify comment and code that keeps current_sched_info->next_tail
2959 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2961 * sched-rgn.c (extend_rgns): New static function.
2962 (find_rgns): Use it.
2963 (gather_region_statistics, print_region_statistics): New static
2965 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2966 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2968 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2969 Andrey Belevantsev <abel@ispras.ru>
2971 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2972 * lists.c (unused_deps_list): New variable.
2973 (free_list): Add assertions to verify the proper distinguishing
2974 between INSN_LISTs and DEPS_LISTs.
2975 (find_list_elem, remove_list_elem, remove_list_node): New static
2977 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2978 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2979 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2980 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2982 (free_INSN_LIST_node): Likewise.
2983 * modulo-sched.c (current_sched_info): Initialize flags field.
2984 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2985 * rtl.def (DEPS_LIST): Define.
2986 * rtl.h: Declare new functions from lists.c.
2987 * sched-deps.c (spec_dependency_cache): New static variable.
2988 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2989 (add_dependence): Change return type to void. Move the logic to ...
2990 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2991 (delete_all_dependences): Add comment about forward_dependency_cache.
2992 Handle spec_dependency_cache. Handle DEPS_LISTs.
2993 (fixup_sched_groups): Clarify the change of priority of output
2994 and anti dependencies.
2995 (sched_analyze_2): Adjust add_dependence calls to create data
2996 speculative dependence.
2997 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2998 Adjust all callers. Handle DEPS_LISTS.
2999 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3000 presence of speculation.
3001 (init_dependency_caches, free_dependency_caches):
3002 Handle spec_dependency_cache.
3003 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3004 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3005 New static functions.
3006 (add_or_update_back_dep, add_or_update_back_forw_dep,
3007 add_back_forw_dep, delete_back_forw_dep): New functions.
3008 * sched-int.h (ds_t, dw_t): New typedefs.
3009 (struct sched_info): Add new field flags.
3010 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3011 Prototype new sched-deps.c functions.
3012 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3013 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3014 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3015 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3016 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3017 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3019 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3021 * sched-rgn.c (current_sched_info): Initialize flags field.
3022 (schedule_insns): Initialize current_sched_info before the sched_init
3024 * sched-ebb.c (current_sched_info): Initialize flags field.
3025 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3026 Call add_or_update_back_dep instead of add_dependence.
3027 Create control speculative dependencies.
3028 (schedule_insns): Initialize current_sched_info before the sched_init
3031 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3033 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3035 (sh_fallback_frame_state): Likewise.
3037 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3039 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3040 Do switch on default_use_cxa_atexit.
3041 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3042 * config/darwin-crt3.o: New.
3043 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3044 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3045 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3047 * config/rs6000/t-darwin: Move crt2.o building to here.
3048 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3049 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3052 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3054 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3055 from '! xxx' to '!xxx' for coding-style conformance.
3056 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3057 (EXTRA_CONSTRAINT): Likewise.
3058 * config/vax/vax.md (four unnamed insns): Likewise.
3060 2006-03-15 Paul Brook <paul@codesourcery.com>
3062 * config/arm/arm.c (minipool_pad): New.
3063 (add_minipool_forward_ref): Include pool alignment padding in address
3065 (push_minipool_fix): Set minipool_pad.
3066 (minipool_pad): Ditto.
3068 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3070 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3071 instead of GET_CODE() == MEM and REG_P() instead of
3073 (print_operand_address): Likewise.
3074 (vax_address_cost): Likewise.
3075 (vax_rtx_costs): Likewise.
3076 (vax_notice_update_cc): Likewise.
3077 (vax_output_int_add): Likewise.
3078 (INDEX_REGISTER_P): Likewise.
3079 (BASE_REGISTER_P): Likewise.
3080 (nonindexed_address_p): Likewise.
3081 (vax_mode_dependent_address_p): Likewise.
3082 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3083 (PRINT_OPERAND): Likewise.
3084 * config/vax/vax.md (ashlsi3): Likewise.
3085 (ashlsi3): Likewise.
3086 (some more unnamed insns): Likewise.
3088 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3090 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3091 iterator-style macro.
3092 (mark_control_dependent_edges_necessary): Update the use of
3093 EXECUTE_IF_CONTROL_DEPENDENT.
3095 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3097 * config/sh/predicates.md (cache_address_operand): Special.
3098 (ua_address_operand): Likewise.
3100 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3102 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3104 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3106 2006-03-15 Andreas Schwab <schwab@suse.de>
3108 * gensupport.c (identify_predicable_attribute): Don't free p_false
3109 when it is still in use.
3111 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3113 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3114 the default setting here.
3116 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3118 * tree-pass.h (pass_cfg): Remove.
3119 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3120 * passes.c (pass_cfg): Don't run it.
3122 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3124 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3125 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3127 (stack_regs_mentioned): Update the uses of
3128 stack_regs_mentioned_data. Don't access the array beyond its
3130 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3131 Don't include gt-reg-stack.h.
3133 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3134 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3136 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3139 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3142 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3144 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3146 2006-03-14 Richard Guenther <rguenther@suse.de>
3148 PR tree-optimization/26672
3149 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3152 2006-03-14 Richard Guenther <rguenther@suse.de>
3154 PR tree-optimization/26667
3155 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3156 node for the callees. Always allow inlining if it will shrink
3159 2006-03-14 Richard Guenther <rguenther@suse.de>
3162 * builtins.c (get_pointer_alignment): Prefer alignment
3163 information from decls over that from types.
3165 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3168 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3170 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3172 * config/rs6000/rs6000.opt (mdlmzb): New option.
3173 (msched-prolog, msched-epilog): Use Var not Mask.
3174 * doc/invoke.texi (-mdlmzb): Document.
3175 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3177 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3178 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3180 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3182 PR rtl-optimization/25739
3183 * bt-load.c (augment_live_range): Free tos pointer.
3185 * gensupport.c (identify_predicable_attribute): Free
3187 * gcov.c (create_file_names): Free name pointer.
3189 2006-03-13 Roger Sayle <roger@eyesopen.com>
3192 * stmt.c (emit_case_nodes): Handle the case where the index is a
3193 CONST_INT, where the comparison mode is specified by the index type.
3195 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3197 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3200 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3202 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3203 (*branch_fp_inverted): Likewise.
3205 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3208 * omp-low.c (expand_omp_for_generic): Mark istart0
3209 and iend0 as addressable.
3211 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3213 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3215 2006-03-13 Jeff Law <law@redhat.com>
3217 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3218 virtual operands are interesting.
3219 (vrp_visit_stmt): Corresponding changes.
3221 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3223 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3225 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3226 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3227 * config/bfin/crti.S: Use it instead of __PIC__.
3228 * config/bfin/crtn.S: Likewise.
3230 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3231 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3233 Lose 'G' modifier for call operand.
3234 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3235 recognize 'G' modifier.
3237 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3240 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3241 * stmt.c (expand_case): Likewise.
3243 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3245 PR rtl-optimization/26254
3246 * loop-invariant.c (seq_insns_valid_p): New function.
3247 (move_invariant_reg): Only emit new code if it is valid.
3249 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3251 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3253 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3254 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3255 (commit_one_edge_insertion): Do not look for loop notes.
3257 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3259 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3260 flag_test_coverage out of loop.
3262 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3264 * final.c (shorten_branches): Remove outdated comment, and turn
3265 the if branch that guards it to continue.
3267 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3269 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3270 * cfgloop.h (struct loop): Remove unused fields.
3272 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3274 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3275 (-dL, -fdump-rtl-loop2): Update the dump file names
3277 * doc/invoke.texi: Update dump file names.
3279 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3281 * predict.c (estimate_probability): Remove.
3282 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3283 * basic-block.h (estimate_probability): Remove prototype.
3284 * passes.c (finish_optimization_passes): Dump branch prediction or
3285 profiling heuristics to the .profile tree dump.
3286 (init_optimization_passes): Unqueue pass_branch_prob.
3288 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3290 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3292 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3293 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3295 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3297 * function.h (frame_offset_overflow): Declare.
3298 * function.c (frame_offset_overflow): New function.
3299 (assign_stack_local_1): Call it to detect that the offset overflows.
3300 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3302 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3304 * config/sh/sh.c: Include alloc-pool.h.
3305 (label_ref_list_pool): New alloc pool.
3306 (label_ref_list_t): New type for lists of labels.
3307 (struct pool_node): Make wend a label_ref_list_t.
3308 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3310 (dump_table): Likewise.
3311 (sh_reorg): Set up the alloc pool before using add_constant and
3312 dump_table, and destroy it when finishing.
3314 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3316 * config/mips/mips.c: Remove redundant comment.
3318 2006-03-10 Jason Merrill <jason@redhat.com>
3321 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3322 the target was declared 'register'.
3324 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3326 * genpreds.c (write_insn_constraint_len): Change definition of
3327 insn_constraint_len to return size_t to match the declaration.
3329 2006-03-10 DJ Delorie <dj@redhat.com>
3331 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3333 (m32c_expand_insv): Fix test for an AND mask.
3335 2006-03-10 Richard Guenther <rguenther@suse.de>
3338 * builtins.c (get_pointer_alignment): Handle component
3339 references for field alignment.
3341 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3343 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3344 when building with libgloss.
3345 (sh*elf): Implement --without-fp option.
3346 (sh64-superh-linux*): Don't multilib.
3348 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3350 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3352 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3354 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3355 Set it when one of the replacement functions returned true.
3356 Return TODO_cleanup_cfg if cfgchanged is true.
3357 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3359 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3361 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3362 instead of gen_lowpart.
3364 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3366 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3368 (mips_output_order_conditional_branch): Declare.
3369 * config/mips/mips.h (MIPS_BRANCH): New macro.
3370 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3371 for the comparison. Use gen_condjump.
3372 (mips_output_conditional_branch): Rework interface to take the
3373 asm templates for a direct branch and the inverse of a direct branch.
3374 (mips_output_order_conditional_branch): New function.
3375 (mips_builtin_branch_and_move): New function.
3376 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3377 branch condition. Use gen_single_cc as the condition for
3378 __builtin_mips_upper_* or __builtin_mips_lower_*.
3379 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3380 Use VOIDmode for the branch condition.
3381 * config/mips/predicates.md (order_operator): New predicate.
3382 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3383 (branch_fp): Rename to...
3384 (*branch_fp): ...this. Remove mode from comparison operator.
3385 Use new mips_output_conditional_branch interface.
3386 (branch_fp_inverted): Rename to...
3387 (*branch_fp_inverted): ...this and update as for *branch_fp.
3388 (*branch_zero<mode>): Rename to...
3389 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3390 Use mips_output_order_conditional_branch. Only accept ordered
3392 (*branch_zero<mode>_inverted): Rename to...
3393 (*branch_order<mode>_inverted): ...this and update as for
3394 *branch_order<mode>.
3395 (*branch_equality<mode>): Accept zero as the second operand to
3396 the equality operator. Use the new mips_output_conditional_branch
3398 (*branch_equality<mode>_inverted): Likewise.
3399 (condjump): New expander.
3400 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3402 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3403 (bc1any2t, bc1any2f): Likewise.
3404 (single_cc): New expander.
3405 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3407 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3409 * doc/md.texi: Update documentation of MIPS constraints.
3410 * config/mips/constraints.md: New file.
3411 * config/mips/mips.md: Include it.
3412 * config/mips/mips.c (mips_char_to_class): Delete.
3413 (override_options): Don't initialize mips_char_to_class.
3414 * config/mips/mips.h (mips_char_to_class): Delete.
3415 (REG_CLASS_FROM_LETTER): Delete.
3416 (CONST_OK_FOR_LETTER_P): Delete.
3417 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3418 (EXTRA_CONSTRAINT_Y): Delete.
3419 (EXTRA_CONSTRAINT_STR): Delete.
3420 (CONSTRAINT_LEN): Delete.
3421 (EXTRA_MEMORY_CONSTRAINT): Delete.
3423 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3425 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3426 original fn's eh regions.
3428 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3430 * fold-const.c (build_range_check): Make sure to use a valid type to
3431 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3434 (range_predecessor): New static function.
3435 (range_successor): Likewise.
3436 (merge_ranges): Use them to compute predecessors and successors of
3439 2006-03-09 Roger Sayle <roger@eyesopen.com>
3442 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3443 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3445 2006-03-08 DJ Delorie <dj@redhat.com>
3447 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3448 (addpsi3): Expand to include memory operands. Remove
3449 reload-specific splits.
3450 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3451 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3452 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3453 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3454 (shift1_qi, shift1_hi, insv): New.
3455 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3456 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3457 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3459 * config/m32c/m32c-protos.h: Update as needed.
3460 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3461 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3462 Fail for unrecognized R* constraints.
3463 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3464 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3465 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3467 (m32c_init_libfuncs): New.
3468 (m32c_legitimate_address_p): Add debug wrapper.
3469 (m32c_rtx_costs): New.
3470 (m32c_address_cost): New.
3471 (conversions): Add 'B' prefix.
3472 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3473 operands, or word regnames for QI operands. 'B' prints bit
3475 (m32c_expand_setmemhi): New.
3476 (m32c_expand_movmemhi): New.
3477 (m32c_expand_movstr): New.
3478 (m32c_expand_cmpstr): New.
3479 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3480 (m32c_expand_neg_mulpsi3): Handle non-ints.
3481 (m32c_cmp_flg_0): New.
3482 (m32c_expand_movcc): New.
3483 (m32c_expand_insv): New.
3484 (m32c_scc_pattern): New.
3485 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3486 a0/a1 out of SIregs.
3487 (STORE_FLAG_VALUE): New.
3488 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3491 * config/m32c/mov.md: Make constraints more liberal.
3492 (zero_extendqihi2): Optimize r0/r1 case.
3493 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3494 * config/m32c/predicates.md (m32c_any_operand): New.
3495 (m32c_nonimmediate_operand): New.
3496 (m32c_hl_operand): New.
3497 (m32c_r3_operand): New.
3500 (memsym_operand): New.
3501 (memimmed_operand): New.
3502 (a_qi_operand): New.
3503 (m32c_eqne_operator): New.
3504 (m32c_1bit8_operand): New.
3505 (m32c_1bit16_operand): New.
3506 (m32c_1mask8_operand): New.
3507 (m32c_1mask16_operand): New.
3508 * config/m32c/blkmov.md: New file.
3509 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3511 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3513 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3514 unsigned to fix signed/unsigned comparison issue in
3515 DWARF2_FRAME_REG_OUT.
3516 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3517 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3519 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3520 of ptr into the ENABLE_CHECKING section.
3522 2006-03-08 Jeff Law <law@redhat.com>
3524 * tree-vrp.c (infer_value_range): Only count pointer uses
3525 and dereferences if -fdelete-null-pointer-checks is enabled.
3527 * tree-vrp.c (find_assert_locations): Infer value ranges for
3528 single use pointers, but do not create ASSERT_EXPRs for them.
3529 When a non-null range is inferred for a pointer, backwards
3530 propagate that range to other equivalent pointers through the
3533 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3536 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3537 language hook targets.
3538 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3539 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3540 if language hook targets were missing.
3542 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3544 * tree-ssa-opfinalize.h: Removed.
3545 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3547 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3548 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3549 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3550 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3551 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3552 finalize_ssa_v_must_def_ops): New.
3554 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3556 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3559 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3561 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3563 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3564 addresses with offsets; reorganize.
3566 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3567 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3568 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3570 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3573 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3575 2006-03-08 Ben Elliston <bje@au.ibm.com>
3577 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3579 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3582 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3585 2006-03-07 Richard Guenther <rguenther@suse.de>
3587 PR tree-optimization/26587
3588 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3590 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3592 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3594 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3596 * hooks.c (hook_bool_mode_rtx_true): New function.
3597 * hooks.h (hook_bool_mode_rtx_true): Declare.
3598 * toplev.c (compile_file): Call output_shared_constant_pool.
3599 * varasm.c (shared_constant_pool): New variable.
3600 (assemble_start_function, assemble_end_function): Remove arguments
3601 from call to output_constant_pool.
3602 (create_constant_pool): New function, split out from...
3603 (init_varasm_status): ...here.
3604 (force_const_mem): Choose between the shared and per-function constant
3605 pools. Set current_function_uses_const_pool when reusing old entries
3606 as well as when creating new ones.
3607 (mark_constant): Ignore data argument.
3608 (mark_constants): Remove pool argument.
3609 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3610 to decide whether the function uses a constant pool.
3611 (output_constant_pool_contents): New function, split out from...
3612 (output_constant_pool): ...here.
3613 (output_shared_constant_pool): New function.
3614 (init_varasm_once): Initialize shared_constant_pool.
3615 * output.h (output_constant_pool): Delete.
3616 (output_shared_constant_pool): Declare.
3617 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3618 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3620 2006-03-06 Nick Clifton <nickc@redhat.com>
3622 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3623 flag_strength_reduce.
3625 2006-03-06 Ben Elliston <bje@au.ibm.com>
3627 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3628 x86_64-*-linux* configurations.
3630 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3631 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3633 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3635 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3637 * basic-block.h: Remove the extern for
3638 rediscover_loops_after_threading.
3640 * cfgloop.c (cancel_loop): Make it static.
3641 * cfgloop.h: Remove the prototype for cancel_loop.
3643 * flow.c (recompute_reg_usage): Make it static.
3644 * rtl.h: Remove the prototype for recompute_reg_usage.
3646 * function.c (use_return_register): Make it static.
3647 * function.h: Remove the prototype.
3649 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3651 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3653 * recog.h: Remove the prototype for
3654 validate_change_maybe_volatile.
3656 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3658 * rtlanal.c (replace_reg): Remove.
3659 * rtl.h: Remove the prototype for replace_reg.
3661 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3663 * regclass.c (reg_scan_update): Remove.
3664 (reg_scan_mark_refs): Remove the last argument.
3665 * rtl.h: Remove the prototype for reg_scan_update.
3667 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3669 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3670 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3671 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3672 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3673 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3674 loop-invariant.c, omp-low.c, opts.c, passes.c,
3675 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3676 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3677 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3678 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3679 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3680 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3684 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3685 * dwarf2out.h: Remove the prototype for
3686 dwarf2out_add_library_unit_info.
3688 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3690 * tree.c (add_var_to_bind_expr): Remove.
3691 * tree.h: Remove the prototype for add_var_to_bind_expr.
3693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3695 * regclass.c (n_non_fixed_regs): Remove.
3696 (init_reg_sets_1, globalize_reg): Remove all uses of
3698 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3700 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3702 * rtlanal.c (insns_safe_to_move_p): Remove.
3703 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3705 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3707 * expmed.c (expand_mult_add): Remove.
3708 * expr.h: Remove the prototype for expand_mult_add.
3710 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3712 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3713 and REG_SAVED_VAL_EXP constants.
3714 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3715 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3716 Handle regs stored by value.
3717 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3718 (execute_cfa_program): Handle DW_CFA_val_offset,
3719 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3720 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3721 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3722 (uw_install_context_1): Handle target regs stored by value.
3724 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3726 * tree-sra.c (tree_sra): Return todoflags;
3727 (generate_one_element): Set TODO_update_smt_usage if needed.
3728 (pass_sra): Remove TODO_update_smt_usage.
3729 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3731 (tree_ssa_forward_propagate_single_use_vars): Return
3732 TODO_update_smt_usage if we need to update SMT usage.
3733 (pass_forwprop): Remove TODO_update_smt_usage.
3735 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3737 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3738 (correct_use_link): Remove reference to get_stmt_operands.
3739 (update_stmt_operands): Likewise.
3740 (get_modify_expr_operands): New function factored out of
3741 parse_ssa_operands and get_expr_operands.
3742 Try to create V_MUST_DEFs for LHS by default.
3743 (get_expr_operands) <case MODIFY_EXPR>: Call
3744 get_modify_expr_operands.
3745 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3746 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3747 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3748 get_modify_expr_operands.
3750 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3752 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3753 * tree-flow.h: Remove the prototype for
3754 referenced_var_lookup_if_exists.
3756 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3758 PR rtl-optimization/26345
3760 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3762 2006-03-03 Roger Sayle <roger@eyesopen.com>
3764 PR tree-optimization/26524
3765 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3766 fold_convert to create a constant of the appropriate type.
3768 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3770 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3771 SYMBOL_REF_IN_BLOCK_P.
3772 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3773 of SYMBOL_FLAG_IN_BLOCK.
3774 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3775 instead of SYMBOL_REF_IN_BLOCK_P.
3776 * explow.c (use_anchored_address): Likewise.
3777 * rtl.c (rtx_size): Likewise.
3778 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3779 instead of SYMBOL_FLAG_IN_BLOCK.
3780 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3781 SYMBOL_REF_IN_BLOCK_P.
3782 (assemble_variable): Likewise.
3783 (output_constant_def_contents): Likewise.
3784 (output_constant_pool): Likewise.
3785 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3786 instead of SYMBOL_FLAG_IN_BLOCK.
3787 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3788 SYMBOL_REF_IN_BLOCK_P.
3789 (SYMBOL_REF_BLOCK): Likewise.
3790 (SYMBOL_REF_OFFSET): Likewise.
3791 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3792 SYMBOL_REF_IN_BLOCK_P.
3793 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3794 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3795 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3796 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3798 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3800 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3802 2006-03-02 Roger Sayle <roger@eyesopen.com>
3804 * simplify-rtx.c (simplify_unary_operation): When simplifying
3805 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3806 that we perform the right shift in the appropriate mode, and
3807 then extend or truncate the result to requested mode.
3809 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3811 * gengtype.c (main): Handle double_int type.
3812 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3813 * double-int.c: New file.
3814 * double-int.h: New file.
3815 * system.h: Include doubleint.h.
3816 * Makefile.in (SYSTEM_H): Include double-int.h.
3817 (double-int.o): Add.
3819 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3822 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3825 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3827 * tree-vrp.c (remove_range_assertions): Do not update statements
3830 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3832 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3834 * gcse.c (rest_of_handle_gcse): Ditto.
3835 * except.c (gate_handle_eh): Ditto.
3836 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3837 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3839 2006-03-02 Eric Christopher <echristo@apple.com>
3841 * config/i386/i386.c (machopic_output_stub): Add indirection to
3844 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3848 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3850 Sun Niagara specific optimizations.
3851 * config.gcc: Recognize niagara as target.
3852 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3853 (TARGET_CPU_niagara): Define.
3854 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3855 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3856 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3857 (ASM_CPU_SPEC): Likewise.
3858 (PROCESSOR_NIAGARA): New enum entry.
3859 (REGISTER_MOVE_COST): Handle Niagara.
3860 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3861 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3862 (sparc_override_options): Recognize "niagara", set appropriate
3863 default MASK_* values for it, and align functions to 32-bytes
3864 by default just like ULTRASPARC/ULTRASPARC3.
3865 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3866 (sparc64_initialize_trampoline): Likewise.
3867 (sparc_use_sched_lookahead): Use zero for niagara.
3868 (sparc_issue_rate): Use one for niagara.
3869 * config/sparc/niagara.md: New file.
3870 * config/sparc/sparc.md: Include it.
3871 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3872 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3873 when default cpu is niagara.
3874 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3875 (ASM_CPU_SPEC): Likewise.
3876 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3877 when default cpu is niagara.
3878 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3879 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3880 just like v9/ultrasparc/ultrasparc3.
3881 * doc/invoke.texi: Add documentation for "niagara" and improve
3882 existing documentation for ultrasparc variants.
3884 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3886 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3888 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3890 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3891 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3892 and say that only one is needed.
3893 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3894 * target.h (have_switchable_bss_sections): New hook.
3895 * explow.c (use_anchored_address): Check that the symbol is in a block.
3896 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3897 (bss_noswitch_section): New variables.
3898 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3899 (get_noswitch_section): New function.
3900 (get_block_for_section): Allow SECT to be null.
3901 (unlikely_text_section_p): Use SECTION_STYLE.
3902 (bss_initializer_p): New function.
3903 (get_variable_section): Move earlier in file. Take a new argument,
3904 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3905 Return one of the new *_sections in such cases.
3906 (get_block_for_decl): New function, extracting some logic from
3907 use_blocks_for_decl_p.
3908 (change_symbol_section): Remove in favor of...
3909 (change_symbol_block): ...this new function.
3910 (use_blocks_for_decl_p): Remove checks now performed by
3912 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3913 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3914 (emit_local, emit_bss, emit_common): ...these new functions.
3915 Return true if the alignment was honored.
3916 (emit_tls_common): New function.
3917 (asm_emit_uninitialised): Delete.
3918 (assemble_variable_noswitch): New function, split out from...
3919 (assemble_variable): ...here. Don't make decisions about common
3920 variables here. Globalize all public decls that go into non-common
3921 sections. Check whether SYMBOL_REF_BLOCK is null.
3922 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3923 (output_constant_pool): Likewise.
3924 (init_varasm_once): Initialize the new section variables.
3925 (have_global_bss_p): New function.
3926 (categorize_decl_for_section): Use bss_initializer_p.
3927 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3928 (place_block_symbol): Assert that the symbol must be in a block.
3929 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3930 (TARGET_INITIALIZER): Include it.
3931 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3932 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3933 (SECTION_MACH_DEP): Bump by two.
3934 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3935 (unnamed_section): Mention SECTION_UNNAMED in comment.
3936 (named_section): Likewise SECTION_NAMED.
3937 (noswitch_section_callback): New type.
3938 (noswitch_section): New structure.
3939 (section): Add a noswitch_section alternative.
3940 (SECTION_STYLE): New macro.
3941 (tls_comm_section, comm_section, lcomm_section): Declare.
3942 (bss_noswitch_section, have_global_bss_p): Declare.
3943 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3944 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3946 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3947 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3950 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3952 * gcc/tree-vrp.c (execute_vrp): Return value.
3953 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3954 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3955 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3956 (tree_lower_complex_O0): Ditto.
3957 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3958 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3959 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3960 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3961 (execute_tail_calls): Ditto.
3962 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3963 * gcc/tree.h (init_function_for_compilation): Ditto.
3964 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3965 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3966 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3967 * gcc/final.c (compute_alignments): Ditto.
3968 (rest_of_handle_final): Ditto.
3969 (rest_of_handle_shorten_branches): Ditto.
3970 (rest_of_clean_state): Ditto.
3971 * gcc/omp-low.c (execute_expand_omp): Ditto.
3972 (execute_lower_omp): Ditto.
3973 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3974 * gcc/ipa-reference.c (static_execute): Ditto.
3975 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3976 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3977 (rest_of_handle_machine_reorg): Ditto.
3978 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3979 * gcc/flow.c (recompute_reg_usage): Ditto.
3980 (rest_of_handle_remove_death_notes): Ditto.
3981 (rest_of_handle_life): Ditto.
3982 (rest_of_handle_flow2): Ditto.
3983 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3984 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3985 (do_ssa_store_ccp): Ditto.
3986 (execute_fold_all_builtins): Ditto.
3987 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3988 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3989 * gcc/ipa-pure-const.c (static_execute): Ditto.
3990 * gcc/cse.c (rest_of_handle_cse): Ditto.
3991 (rest_of_handle_cse2): Ditto.
3992 * gcc/web.c (rest_of_handle_web): Ditto.
3993 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3994 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3995 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3996 * gcc/tree-nrv.c (tree_nrv): Ditto.
3997 (execute_return_slot_opt): Ditto.
3998 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3999 (create_structure_vars): Ditto.
4000 * gcc/loop-init.c (rtl_loop_init): Ditto.
4001 (rtl_loop_done): Ditto.
4002 (rtl_move_loop_invariants): Ditto.
4003 (rtl_unswitch): Ditto.
4004 (rtl_unroll_and_peel_loops): Ditto.
4005 (rtl_doloop): Ditto.
4006 * gcc/gimple-low.c (lower_function_body): Ditto.
4007 (mark_used_blocks): Ditto.
4008 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4009 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4010 (cgraph_early_inlining): Ditto.
4011 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4012 * gcc/jump.c (cleanup_barriers): Ditto.
4013 (purge_line_number_notes): Ditto.
4014 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4015 (rest_of_handle_if_after_reload): Ditto.
4016 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4017 (tree_ssa_loop_im): Ditto.
4018 (tree_ssa_loop_unswitch): Ditto.
4019 (tree_vectorize): Ditto.
4020 (tree_linear_transform): Ditto.
4021 (tree_ssa_loop_ivcanon): Ditto.
4022 (tree_ssa_empty_loop): Ditto.
4023 (tree_ssa_loop_bounds): Ditto.
4024 (tree_complete_unroll): Ditto.
4025 (tree_ssa_loop_prefetch): Ditto.
4026 (tree_ssa_loop_ivopts): Ditto.
4027 (tree_ssa_loop_done): Ditto.
4028 * gcc/predict.c (tree_estimate_probability): Ditto.
4029 * gcc/recog.c (split_all_insns_noflow): Ditto.
4030 (rest_of_handle_peephole2): Ditto.
4031 (rest_of_handle_split_all_insns): Ditto.
4032 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4033 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4034 (rest_of_handle_stack_adjustments): Ditto.
4035 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4036 * gcc/function.c (instantiate_virtual_regs): Ditto.
4037 (init_function_for_compilation): Ditto.
4038 (rest_of_handle_check_leaf_regs): Ditto.
4039 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4040 (rest_of_handle_gcse): Ditto.
4041 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4042 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4043 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4044 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4045 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4046 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4047 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4048 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4049 * gcc/except.c (set_nothrow_function_flags): Ditto.
4050 (convert_to_eh_region_ranges): Ditto.
4051 (rest_of_handle_eh): Ditto.
4052 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4053 (remove_unnecessary_notes): Ditto.
4054 * gcc/except.h (set_nothrow_function_flags): Ditto.
4055 (convert_to_eh_region_ranges): Ditto.
4056 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4057 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4058 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4059 (execute_fre): Ditto.
4060 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4061 (rest_of_handle_jump2): Ditto.
4062 * gcc/tree-sra.c (tree_sra): Ditto.
4063 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4064 (execute_mudflap_function_decls): Ditto.
4065 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4066 (do_store_copy_prop): Ditto.
4067 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4068 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4069 * gcc/tree-ssa-forwprop.c
4070 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4071 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4072 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4073 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4074 (execute_late_warn_uninitialized): Ditto.
4075 * gcc/rtl.h (cleanup_barriers): Ditto.
4076 (split_all_insns_noflow): Ditto.
4077 (purge_line_number_notes): Ditto.
4078 (unshare_all_rtl): Ditto.
4079 (remove_unnecessary_notes): Ditto.
4080 (recompute_reg_usage): Ditto.
4081 (variable_tracking_main): Ditto.
4082 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4083 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4084 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4085 (execute_free_cfg_annotations): Ditto.
4086 (execute_fixup_cfg): Ditto.
4087 (execute_cleanup_cfg_pre_ipa): Ditto.
4088 (execute_cleanup_cfg_post_optimizing): Ditto.
4089 (execute_init_datastructures): Ditto.
4090 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4091 * gcc/combine.c (rest_of_handle_combine): Ditto.
4092 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4093 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4094 (rest_of_handle_reorder_blocks): Ditto.
4095 (rest_of_handle_partition_blocks): Ditto.
4096 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4097 * gcc/tree-profile.c (tree_profiling): Ditto.
4098 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4099 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4100 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4101 (rest_of_handle_sched2): Ditto.
4102 * gcc/basic-block.h (free_bb_insn): Ditto.
4103 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4104 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4105 (remove_useless_stmts): Ditto.
4106 (split_critical_edges): Ditto.
4107 (execute_warn_function_return): Ditto.
4108 (execute_warn_function_noreturn): Ditto.
4109 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4110 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4111 * gcc/passes.c (execute_one_pass): Run additional
4112 todos returned by execute function.
4113 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4116 2006-03-02 Richard Guenther <rguenther@suse.de>
4118 * tree-ssa-alias.c (find_used_portions): Consider taking
4119 the address as making the variable not write-only.
4121 2006-03-02 Nick Clifton <nickc@redhat.com>
4123 * config.gcc (default_use_cxa_atexit): Extend the description of
4124 this configure variable. Set its default value to "yes" for
4125 Linux, NetBSD and ELF targets on the assumption that they will
4126 use C libraries with the __cxa_atexit function.
4128 2006-03-02 Ben Elliston <bje@au.ibm.com>
4130 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4131 parameter as unused to suppress a build warning.
4133 2006-03-02 Ben Elliston <bje@au.ibm.com>
4135 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4138 2006-03-01 Roger Sayle <roger@eyesopen.com>
4141 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4142 declared name, the weak reference name, and the typeof name.
4143 (__gthrw): Avoid expanding the declared name suffix.
4144 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4146 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4148 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4150 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4151 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4152 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4153 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4154 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4155 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4156 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4157 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4158 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4159 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4160 (DW_END_default, DW_END_big, DW_END_little): New.
4161 (DW_END_lo_user, DW_END_hi_user): Define.
4162 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4163 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4164 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4167 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4169 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4171 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4173 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4175 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4177 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4178 to 'symbol_mem_tag'.
4180 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4183 2006-03-01 Roger Sayle <roger@eyesopen.com>
4185 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4187 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4190 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4191 MACHO_DYNAMIC_NO_PIC_P.
4192 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4194 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4197 * config/darwin-protos.h (darwin_asm_output_anchor):
4199 * config/darwin-sections.def (cstring_section):
4200 Add SECTION_MERGE to the flags.
4201 (literal4_section): Likewise.
4202 (literal8_section): Likewise.
4203 (objc_selector_refs_section): Likewise.
4204 (objc_cls_refs_section): Likewise.
4205 * config/darwin.c (darwin_asm_output_anchor): New
4207 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4209 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4211 Fix PR tree-optimization/26443
4212 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4213 to todo and PROP_tmt_usage to properties_destroyed.
4214 * tree-ssa-ccp.c (pass_ccp): Ditto.
4215 (pass_store_ccp): Ditto.
4216 * tree-ssa-dom.c (pass_dominator): Ditto.
4218 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4220 * tree-ssa-operands.c: Cleanup whitespace.
4221 (get_asm_expr_operands): Move before first invocation.
4222 (get_indirect_ref_operands): Likewise.
4223 (get_tmr_operands): Likewise.
4224 (get_call_expr_operands): Likewise.
4225 (append_def): Likewise.
4226 (append_use): Likewise.
4227 (append_v_may_def): Likewise.
4228 (append_v_must_def): Likewise.
4229 (add_call_clobber_ops): Likewise.
4230 (add_call_read_ops): Likewise.
4231 (add_stmt_operand): Likewise.
4232 (add_virtual_operand): Likewise.
4233 (build_ssa_operands): Likewise.
4235 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4240 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4241 with a call expr to ...
4242 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4244 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4246 * tree-vrp.c (extract_range_from_assert): Remove special
4247 handling for types with super-types.
4249 2006-03-01 Ben Elliston <bje@au.ibm.com>
4251 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4252 and powerpc64-*-linux* configurations.
4253 * config/t-dfprules: New file.
4255 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4256 Compile dfp-bit.c from the source directory using -DWIDTH and
4257 $DFP_CFLAGS to control the compilation of that file, rather than
4258 generating width-specific versions in the build directory.
4259 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4260 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4262 2006-02-28 Zack Weinberg <zackw@panix.com>
4264 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4267 2006-02-28 Eric Christopher <echristo@apple.com>
4269 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4270 Set up IN_LIBGCC definition of TARGET_64BIT.
4271 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4273 2006-02-28 Roger Sayle <roger@eyesopen.com>
4276 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4277 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4278 cases via the construction of "expr != 0".
4280 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4282 * alias.c (alias_invariant, alias_invariant_size): Remove.
4283 (record_base_value): Remove.
4284 (memrefs_conflict_p): Don't look at alias_invariant.
4285 (end_alias_analysis): Don't free it.
4286 * alias.h (record_base_value): Remove prototype.
4288 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4289 Adam Nemet <anemet@caviumnetworks.com>
4291 * rtl.h (truncated_to_mode): Declare it.
4292 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4293 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4294 (RTL_HOOKS_INITIALIZER): Include it.
4295 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4296 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4297 reg_truncated_to_mode.
4298 * rtlanal.c (truncated_to_mode): Define it.
4299 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4301 2006-02-28 Jeff Law <law@redhat.com>
4303 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4304 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4305 the range allowed by TYPE_PRECISION.
4307 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4309 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4311 PR tree-optimization/26419
4312 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4315 2006-02-27 Zack Weinberg <zackw@panix.com>
4317 * doc/md.texi: Fix typo in previous change.
4319 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4323 2006-02-27 Zack Weinberg <zackw@panix.com>
4325 * rtl.def (define_constraint, define_register_constraint)
4326 (define_memory_constraint, define_address_constraint): New MD forms.
4327 * gensupport.c (process_rtx): Put define_constraint etc on the
4329 * genpreds.c (process_define_predicate): Adjust comment. Validate
4330 the name, and call validate_exp to validate the expression.
4331 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4332 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4333 all callers changed.
4334 (validate_exp, needs_variable, struct constraint_data)
4335 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4336 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4337 (const_dbl_constraints, constraint_max_namelen)
4338 (have_register_constraints, have_memory_constraints)
4339 (have_address_constraints, have_address_constraints)
4340 (have_extra_constraints, have_const_int_constraints)
4341 (have_const_dbl_constraints, mangle, add_constraint)
4342 (process_define_constraint, process_define_register_constraint)
4343 (write_enum_constraint_num, write_lookup_constraint)
4344 (write_insn_constraint_len, write_regclass_for_constraint)
4345 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4346 (write_insn_extra_memory_constraint)
4347 (write_insn_extra_address_constraint)
4348 (write_satisfies_constraint_fns): New.
4349 (write_tm_preds_h): If we have new-style constraint definitions,
4350 prototype the functions generated from them, and define the
4351 old constraint interface (still used by generic code) in terms of
4353 (write_insn_preds_c): If we have new-style constraint definitions,
4354 generate all relevant functions from those definitions.
4355 (main): Handle define_constraint etc.
4356 * genoutput.c (struct constraint_data, indep_constraints)
4357 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4358 (mdep_constraint_len): New data structures and functions, defined
4359 #ifdef USE_MD_CONSTRAINTS.
4360 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4361 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4362 use new logic to validate operand constraints against constraint
4364 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4366 * defaults.h: If none of the old-style constraint macros are
4367 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4368 old-style macros; and poison REG_CLASS_FROM_LETTER,
4369 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4371 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4372 * doc/md.texi: Document new constraint-definition mechanism and the
4373 C interface it provides. Remove references to old mechanism
4374 elsewhere in the document.
4375 (Machine Constraints): Use pathnames relative to gcc directory,
4376 i.e. config/ARCH/FILE. Change i386 section to refer to
4377 config/i386/predicates.md; update that section to match docstrings.
4378 * doc/tm.texi: Move all documentation of the old constraint-
4379 definition macros to their own section, clearly mark as obsolete.
4381 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4382 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4384 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4385 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4386 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4388 (splits and peepholes): Use satisfies_constraint_*.
4389 * config/i386/i386.c (memory_address_length)
4390 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4392 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4394 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4395 scalar operation to be put back into the loop.
4397 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4400 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4401 (extract_cie_info): Handle S flag in augmentation string.
4402 (execute_cfa_program): If context->signal_frame, execute also
4403 fs->pc == context->ra instructions.
4404 (uw_frame_state_for): If context->signal_frame, don't subtract one
4405 from context->ra to find FDE.
4406 (uw_update_context_1): Set context->signal_frame to
4408 (_Unwind_GetIPInfo): New function.
4409 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4410 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4412 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4413 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4414 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4415 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4416 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4417 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4418 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4419 x86_64_fallback_frame_state): Set fs->signal_frame.
4420 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4421 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4422 (frob_update_context): Likewise. Workaround missing S flag in
4423 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4424 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4425 Remove the psw_addr + 1 hack.
4427 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4429 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4430 with aggregates here.
4431 (find_func_aliases): Remove code for &<aggregate> from here.
4433 2006-02-26 Roger Sayle <roger@eyesopen.com>
4435 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4436 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4437 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4440 2006-02-26 Roger Sayle <roger@eyesopen.com>
4443 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4445 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4447 * opts.c (decode_options): Do not handle flag_strength_reduce.
4448 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4449 and OPT_fstrength_reduce.
4450 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4451 flag_prefetch_loop_arrays for being nonzero.
4452 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4454 (fprefetch-loop-arrays-rtl): Removed.
4455 (flag_prefetch_loop_arrays): Do not specify the value.
4457 * doc/passes.texi: Update documentation of loop optimizer
4459 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4460 -frerun-loop-opt): Remove.
4462 2006-02-26 Richard Guenther <rguenther@suse.de>
4464 PR tree-optimization/26421
4465 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4466 in function calls that are ADDR_EXPRs as using the whole structure.
4468 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4470 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4471 * tree-pass.h (pass_loop_optimize): Remove.
4472 * passes.c (pass_loop_optimize): Never run it.
4473 * toplev.c (backend_init): Don't call init_loop.
4474 * opts.c (flag_loop_optimize_set): Remove.
4475 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4476 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4477 the old RTL loop optimizer when profiling enabled.
4478 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4479 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4480 pre-headers for the sake of the old RTL loop optimizer.
4481 * Makefile.in: Remove all references to loop.o.
4483 * doc/invoke.texi: Remove all references to -floop-optimize
4484 and -frerun-loop-opt.
4486 2006-02-26 Zack Weinberg <zackw@panix.com>
4488 * doc/md.texi (Machine Constraints): Refer to all files with paths
4489 relative to gcc directory (i.e. config/CPU/file). Add missing
4490 @table @code ... @end table to M32C subsection.
4492 2006-02-26 Roger Sayle <roger@eyesopen.com>
4494 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4496 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4498 2006-02-26 Roger Sayle <roger@eyesopen.com>
4499 James A. Morrison <phython@gcc.gnu.org>
4502 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4503 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4504 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4505 signedness of the shift operation.
4507 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4509 PR tree-optimization/26359
4510 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4512 2006-02-25 Roger Sayle <roger@eyesopen.com>
4514 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4515 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4516 as X == 0, and some symmetry related transformations.
4517 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4519 2006-02-25 Roger Sayle <roger@eyesopen.com>
4522 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4523 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4524 symmetry related transformations. Fold (X^C1) == C2 as
4527 2006-02-25 Juergen Weigert <jw@suse.de>
4528 Richard Guenther <rguenther@suse.de>
4530 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4532 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4534 * combine.c (gen_lowpart_or_truncate): Call
4535 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4537 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4539 * doc/invoke.texi: Move -fopenmp description to "Options for
4541 Remove reference to -lgomp.
4543 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4545 * doc/install.texi: Require GNU tar version 1.14.
4547 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4549 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4550 * doc/invoke.texi (C++ Dialect Options): Document
4551 -fno-use-cxa-get-exception-ptr.
4552 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4553 * configure: Regenerate.
4554 * c.opt (fuse-cxa-get-exception-ptr): New.
4555 * c-opts.c (c_common_handle_option): Handle
4556 OPT_fuse_cxa_get_exception_ptr.
4557 * c-common.c (flag_use_cxa_atexit): Update documentation.
4558 (flag_use_cxa_get_exception_ptr): New.
4559 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4560 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4562 (C_COMMON_OVERRIDE_OPTIONS): New.
4564 2006-02-24 Roger Sayle <roger@eyesopen.com>
4567 * combine.c (try_combine): Explicitly check whether GET_CODE is
4568 a SET or a CLOBBER, instead on checking that it isn't a USE.
4570 2006-02-24 Roger Sayle <roger@eyesopen.com>
4572 * fold-const.c (fold_comparison): New subroutine of fold_binary
4573 containing transformations common to both the equality and
4574 ordering relational operators, factored out of fold_binary.
4575 (fold_binary): Separate out the equality operators (EQ_EXPR
4576 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4577 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4578 transformations common to both.
4579 (fold_div_compare): Fix latent bugs in the previously unreachable
4580 LT_EXPR and GE_EXPR cases.
4582 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4584 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4585 decl libname for clog to __clog on AIX.
4587 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4589 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4592 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4593 output traceback table for thunks. Localise rs6000_stack_info call.
4595 2006-02-23 Roger Sayle <roger@eyesopen.com>
4596 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4598 * gthr-posix.h (__gthrw): Fix typo in comment.
4600 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4602 * doc/cpp.texi (Character sets): Document that we do support
4603 input files to be in any character set.
4605 2006-02-23 Jeff Law <law@redhat.com>
4607 * tree.h (PHI_ARG_NONZERO): Remove.
4608 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4609 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4610 node to the new node.
4612 PR tree-optimization/26425
4613 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4614 min/max, then assume its varying.
4616 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4618 PR rtl-optimization/26316
4619 * rtlanal.c (enum may_trap_p_flags): New.
4620 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4621 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4622 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4623 (may_trap_after_code_motion_p): New function.
4624 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4625 (find_invariant_insn): Use may_trap_after_code_motion_p.
4626 * rtl.h (may_trap_after_code_motion_p): Declare.
4628 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4630 * emit-rtl.c (immed_double_const): Cleanup.
4632 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4634 Fix PR tree-optimization/26376
4635 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4638 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4641 * gimplify.c (omp_add_variable): Guard variable size decl test with
4642 DECL_SIZE (decl) check.
4644 2006-02-23 Richard Guenther <rguenther@suse.de>
4647 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4648 like aggregate types.
4650 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4652 * configure.ac: Add --with{,out}-long-double-128 configure option.
4653 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4654 * configure: Rebuilt.
4655 * config.in: Rebuilt.
4656 * doc/install.texi (Options specification): Document
4657 --with-long-double-128.
4659 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4660 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4661 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4662 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4664 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4666 * config/s390/s390.c (override_options): Handle
4667 TARGET_DEFAULT_LONG_DOUBLE_128.
4669 * config/alpha/alpha.c (override_options): Handle
4670 TARGET_DEFAULT_LONG_DOUBLE_128.
4672 * config/sparc/sparc.c (sparc_override_options): Handle
4673 TARGET_DEFAULT_LONG_DOUBLE_128.
4675 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4677 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4678 (real-install-headers-tar, real-install-headers-cpio)
4679 (real-install-headers-cp): New targets.
4681 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4683 * tree.h (variable_section): Delete.
4684 * varasm.c (variable_section): Delete.
4686 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4688 * install.texi: Add notes on install.texi2html.
4689 (Building in parallel): Do not use footnotes.
4691 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4694 * doc/install.texi (Configuration): Document --disable-libgomp.
4696 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4698 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4700 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4702 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4703 (vec_extractv2df_0_sse): New.
4705 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4707 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4708 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4709 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4710 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4711 to the result of the expression.
4712 (def_cfa_1): Adjust.
4713 (frame_pointer_cfa_offset): Rename to...
4714 (frame_pointer_fb_offset): ... this. Adjust all uses.
4715 (convert_cfa_to_loc_list): Rename to...
4716 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4717 Pass it on to build_cfa_loc.
4718 (compute_frame_pointer_to_cfa_displacement): Rename to...
4719 (compute_frame_pointer_to_fb_displacement): ... this. New
4720 offset parameter. Use it in computation.
4721 (gen_subprogram_die): Compute cfa_fb_offset with the new
4722 macro, and use it to compute the fb loc list and the
4725 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4727 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4728 replaced with register_operand.
4729 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4730 non-DREG is expensive.
4731 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4732 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4735 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4737 * doc/install.texi2html: Use set -e.
4739 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4741 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4742 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4743 * doc/invoke.texi (-fshared-data): Delete.
4744 * common.opt (fshared-data): Delete.
4745 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4746 (assemble_static_space): Remove #if 0 code.
4747 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4748 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4749 * config/cris/cris.h: Remove FIXME.
4751 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4753 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4756 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4759 * combine.c (simplify_shift_const_1): Disable nested shifts
4760 optimization for vector shifts.
4762 2006-02-20 Roger Sayle <roger@eyesopen.com>
4764 PR tree-optimization/26361
4765 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4766 of unsigned integer types.
4768 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4770 * tree-chrec.c (eq_evolutions_p): New.
4771 * tree-chrec.h (eq_evolutions_p): Declared.
4772 * tree-data-ref.c: Fix formatting.
4773 (datadep_stats, dependence_stats): New.
4775 (print_direction_vector): New.
4776 (dump_data_dependence_relation): Use print_direction_vector.
4777 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4778 (compute_subscript_distance): Static.
4779 (initialize_data_dependence_relation): Static. Get the number
4780 of loops surrounding the references from the callers, and initialize
4781 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4782 base_object_differ_p analyzers.
4783 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4784 compute_overlap_steps_for_affine_1_2,
4785 analyze_subscript_affine_affine): Count the classified dependences.
4786 Print a message when a test failed.
4787 (can_use_analyze_subscript_affine_affine): New.
4788 (analyze_siv_subscript): Compute the data dependences on symbolic
4789 scevs that verify can_use_analyze_subscript_affine_affine.
4790 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4791 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4792 Handle symbolic scevs.
4793 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4795 (subscript_dependence_tester): Moved...
4796 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4797 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4798 DDR_SIZE_VECT instead of getting it in parameter.
4799 (subscript_dependence_tester): ... here. Take as a parameter
4800 loop_nest_depth. Call build_classic_dist_vector and
4801 build_classic_dir_vector.
4802 (compute_affine_dependence): Update subscript_dependence_tester
4803 parameters. Update datadep_stats counters. Call
4804 compute_subscript_distance.
4805 (compute_self_dependence): Save the dist and dir vectors. Call
4806 compute_subscript_distance.
4807 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4808 (compute_all_dependences): Reorder parameters as they were before
4809 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4810 compute_subscript_distance. Update the use of
4811 compute_affine_dependence and initialize_data_dependence_relation.
4812 (find_data_references_in_loop): Handle COMPONENT_REF.
4813 (compute_data_dependences_for_loop): Initialize dependence_stats.
4814 Don't call build_classic_dist_vector and build_classic_dir_vector.
4815 Update the parameters of initialize_data_dependence_relation and
4816 compute_all_dependences. Print the statistics from datadep_stats.
4817 (analyze_all_data_dependences): Static. Not used until the pass for
4818 checking the data dependences is contributed.
4819 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4820 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4821 (initialize_data_dependence_relation, compute_affine_dependence,
4822 analyze_all_data_dependences, compute_subscript_distance): Removed.
4823 (print_direction_vector): New.
4824 * lambda.h (gcd): ... here.
4825 (lambda_vector_gcd): Moved here from gcd_vector.
4826 * lambda-code.c (gcd, gcd_vector): Removed.
4827 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4828 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4830 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4832 * ipa-type-escape.c: Tidy some comments and white space.
4833 * tree-ssa-operands.c: Likewise.
4835 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4838 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4839 (dump_decl_name): Do not walk the decl tree chains.
4840 * tree-pass.h (TDF_CHAIN): Remove.
4842 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4844 * Makefile.in (C): Remove
4846 (.PHONY): Remove C and PROTO
4848 2006-02-20 Roger Sayle <roger@eyesopen.com>
4851 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4852 deprecated CHAR_TYPE tree code.
4854 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4856 * configure.ac (target_list): Add install-info, dvi, html.
4857 * configure: Regenerate.
4859 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4860 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4861 treelang/Make-lang.in: Do not use double-colon rules.
4863 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4865 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4866 (TMT_USED_ALONE): New macro.
4867 * tree-pass.h (PROP_tmt_usage): New property.
4868 (TODO_update_tmt_usage): New todo.
4869 * tree-ssa-alias.c (updating_used_alone): New variable.
4870 (recalculate_used_alone): New function.
4871 (compute_may_aliases): Set updating_used_alone, call
4872 recalculate_used_alone.
4873 * tree-sra.c (pass_sra): Note that this pass destroys
4874 PROP_tmt_usage, and add TODO_update_tmt_usage.
4875 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4876 * tree-flow.h (updating_used_alone): Prototype.
4877 (recalculate_used_alone): Ditto.
4878 * passes.c (execute_todo): Add code to set updating_used_alone,
4879 and call recalculate.
4880 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4881 for clobber if used alone, and add assert to verify used_alone
4884 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4886 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4887 for non tls symbols added.
4888 (legitimize_address): Do nothing for PLUS expressions if one of the
4889 addends is a tls symbol reference.
4891 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4895 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4897 * Makefile.in (BOOTSTRAPPING): New.
4898 (quickstrap): New definition if BOOTSTRAPPING=yes.
4900 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4901 * configure.ac: Substitute all_selected_languages with the languages
4902 that were configured. For all the other variables except
4903 lang_specs_files, include all the languages in the tree.
4904 * configure: Regenerate.
4906 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4907 if there is one. Run the commands to run fixincludes in the same
4910 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4911 * doc/install.texi: Document exact conventions for searching target tools.
4912 Document --with-build-time-tools. Document toplevel bootstrap. Document
4913 something more about building an Ada cross-compiler. Don't list GNU Make
4914 requirements which affect all platforms.
4916 2006-02-19 Roger Sayle <roger@eyesopen.com>
4919 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4920 only equivalent if the have both the same mode and precision.
4922 2006-02-20 Ben Elliston <bje@au.ibm.com>
4924 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4926 2006-02-19 Roger Sayle <roger@eyesopen.com>
4927 Steven Bosscher <stevenb.gcc@gmail.com>
4929 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4930 constant pool references to identify stack mode constants.
4931 * rtlanal.c (constant_pool_constant_p): New predicate to check
4932 whether operand is a floating point constant in the pool.
4933 * rtl.h (constant_pool_constant_p): Prototype here.
4934 * loop.c (scan_loop): Avoid hoisting constants from the constant
4935 pool on STACK_REGS targets.
4936 (load_mems): Likewise.
4937 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4938 loads into x87 registers expensive in terms of register pressure.
4940 2006-02-19 Roger Sayle <roger@eyesopen.com>
4942 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4943 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4945 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4947 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4948 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4950 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4952 * doc/invoke.texi: Document -fipa-pta.
4953 * common.opt: Add ipa-pta option.
4954 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4955 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4956 (do_ds_constraint): Ditto.
4957 (get_constraint_for): Only add to referenced_vars if
4958 referenced_vars exists.
4959 (insert_into_field_list): Rewrite to do this unsorted.
4960 (insert_into_field_list_sorted): Rename old insert_into_field_list
4962 (create_function_info_for): Use insert_into_field_list_sorted.
4963 (create_variable_info_for): Rewrite so it uses unsorted version,
4964 since the field list is sorted.
4965 (intra_create_variable_infos): Only add to referenced_vars if
4966 referenced_vars exists.
4967 (ipa_pta_execute): Init heapvars, and delete when done.
4968 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4970 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4972 * doc/install.texi: Add missing `@samp'.
4974 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4976 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4979 2006-02-18 Mark Wielaard <mark@klomp.org>
4981 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4982 who added new 4.1 features, bug fixes and integration support.
4984 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4987 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4990 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4992 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4993 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4994 (copy_insn_1): Likewise. Don't copy each field individually.
4996 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4998 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4999 * rtl.c (rtx_size): Rename variable to...
5000 (rtx_code_size): ...this.
5001 (rtx_size): New function.
5002 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5003 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5005 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5006 * rtl.h (rtx_code_size): New variable.
5007 (rtx_size): Change from a variable to a function.
5008 (RTX_SIZE): Rename to...
5009 (RTX_CODE_SIZE): ...this.
5012 PR tree-optimization/17106
5013 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5014 (Anchored Addresses): New section.
5015 * doc/invoke.texi (-fsection-anchors): Document.
5016 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5017 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5018 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5019 * hooks.c (hook_bool_mode_rtx_false): New function.
5020 * hooks.h (hook_bool_mode_rtx_false): Declare.
5021 * gengtype.c (create_optional_field): New function.
5022 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5023 SYMBOL_REF_IN_BLOCK_P is true.
5024 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5025 (min_anchor_offset, max_anchor_offset): Likewise.
5026 (use_anchors_for_symbol_p): New hook.
5027 * toplev.c (compile_file): Call output_object_blocks.
5028 (target_supports_section_anchors_p): New function.
5029 (process_options): Check that -fsection-anchors is only used on
5030 targets that support it and when -funit-at-a-time is in effect.
5031 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5032 if the decl doesn't have one.
5033 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5034 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5035 of force_const_mem through use_anchored_address.
5036 (expand_expr_constant): New function.
5037 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5038 calling expand_expr for INDIRECT_REF.
5039 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5040 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5041 * expr.h (use_anchored_address): Declare.
5042 * loop-unroll.c: Don't declare rtx vectors here.
5043 * explow.c: Include output.h.
5044 (validize_mem): Call use_anchored_address.
5045 (use_anchored_address): New function.
5046 * common.opt (-fsection-anchors): New switch.
5047 * varasm.c (object_block_htab, anchor_labelno): New variables.
5048 (hash_section, object_block_entry_eq, object_block_entry_hash)
5049 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5050 (use_blocks_for_decl_p, change_symbol_section): New functions.
5051 (get_variable_section): New function, split out from assemble_variable.
5052 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5053 use_blocks_for_decl_p say so. Use change_symbol_section if the
5054 symbol has already been created.
5055 (assemble_variable_contents): New function, split out from...
5056 (assemble_variable): ...here. Don't output any code for
5057 block symbols; just pass them to place_block_symbol.
5058 Use get_variable_section and assemble_variable_contents.
5059 (get_constant_alignment, get_constant_section, get_constant_size): New
5060 functions, split from output_constant_def_contents.
5061 (build_constant_desc): Create a block symbol if use_object_blocks_p
5062 says so. Or into SYMBOL_REF_FLAGS.
5063 (assemble_constant_contents): New function, split from...
5064 (output_constant_def_contents): ...here. Don't output any code
5065 for block symbols; just pass them to place_section_symbol.
5066 Use get_constant_section and get_constant_alignment.
5067 (force_const_mem): Create a block symbol if use_object_blocks_p and
5068 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5069 (output_constant_pool_1): Add an explicit alignment argument.
5070 Don't switch sections here.
5071 (output_constant_pool): Adjust call to output_constant_pool_1.
5072 Switch sections here instead. Don't output anything for block symbols;
5073 just pass them to place_block_symbol.
5074 (init_varasm_once): Initialize object_block_htab.
5075 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5076 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5077 (place_block_symbol, get_section_anchor, output_object_block)
5078 (output_object_block_htab, output_object_blocks): New functions.
5079 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5080 (TARGET_ASM_OUT): Include it.
5081 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5082 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5083 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5084 (TARGET_INITIALIZER): Include them.
5085 * rtl.c (rtl_check_failed_block_symbol): New function.
5086 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5087 (block_symbol, object_block): New structures.
5088 (rtx_def): Add a block_symbol field to the union.
5089 (BLOCK_SYMBOL_CHECK): New macro.
5090 (rtl_check_failed_block_symbol): Declare.
5091 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5092 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5093 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5094 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5095 * output.h (output_section_symbols): Declare.
5096 (object_block): Name structure.
5097 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5098 (default_use_anchors_for_symbol_p): Declare.
5099 * Makefile.in (RTL_BASE_H): Add vec.h.
5100 (explow.o): Depend on output.h.
5101 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5102 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5103 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5104 (rs6000_use_blocks_for_constant_p): New function.
5106 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5108 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5110 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5113 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5116 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5118 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5122 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5125 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5126 instead of DECL_REGISTER.
5128 2006-02-18 Olivier Hainque <hainque@adacore.com>
5131 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5133 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5136 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5137 * opth-gen.awk: Handle Var and InverseMask together.
5138 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5139 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5140 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5141 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5143 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5144 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5145 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5146 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5147 LINUX_DYNAMIC_LINKER): Define.
5148 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5149 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5151 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5152 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5153 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5155 (TARGET_C99_FUNCTIONS): Don't define.
5156 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5157 GLIBC_DYNAMIC_LINKER.
5158 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5159 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5160 GLIBC_DYNAMIC_LINKER64): Define.
5161 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5162 LINUX_DYNAMIC_LINKER64.
5163 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5165 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5167 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5168 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5169 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5170 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5171 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5173 and LINUX_DYNAMIC_LINKER32.
5174 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5176 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5178 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5180 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5181 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5182 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5183 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5184 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5185 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5186 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5187 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5188 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5189 LINUX_DYNAMIC_LINKER): Define.
5190 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5191 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5192 GLIBC_DYNAMIC_LINKER64): Define.
5193 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5194 LINUX_DYNAMIC_LINKER64.
5195 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5196 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5197 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5198 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5199 LINUX_DYNAMIC_LINKER): Define.
5200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5201 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5202 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5203 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5204 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5205 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5206 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5207 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5208 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5209 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5210 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5211 * doc/invoke.texi (-muclibc): Remove caveat about supported
5214 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5216 * doc/cpp.texi (__TIMESTAMP__): Document.
5218 2006-02-17 Roger Sayle <roger@eyesopen.com>
5221 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5222 C is one less than the width of X (and related transformations).
5223 * simplify-rtx.c (simplify_unary_operation_1): Transform
5224 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5225 depending on STORE_FLAG_VALUE, were C is one less then the
5228 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5230 Fix PR tree-optimization/26341
5231 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5232 about NAME_MEMORY_TAG's.
5234 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5237 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5238 with hardware float support, and software float support. Add fcpy
5239 alternative to hardware patterns. Add alternatives to copy between
5240 general and floating-point registers to the 32-bit pattern.
5241 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5242 secondary reload to load a QI or HI mode constant into a floating
5244 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5245 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5247 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5250 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5252 (load_macho_picbase_di): Likewise.
5254 2006-02-16 Jeff Law <law@redhat.com>
5256 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5257 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5258 (ssa_name_nonzero_p): Likewise.
5259 (get_value_range): Return NULL if VRP is not running.
5260 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5261 VRP routines do not discover a range.
5262 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5263 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5264 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5265 (tree_expr_nonnegative_p): Similarly.
5266 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5267 (restore_nonzero_vars_to_original_value): Remove.
5268 (unsafe_associative_fp_binop): Remove.
5269 (tree_ssa_dominator_optimize): Remove initialization and
5270 finalization of nonzero_vars and nonzero_vars_stack.
5271 (dom_opt_initialize_block): No longer push marker on
5273 (dom_opt_finalize_block): No longer call
5274 restore_nonzero_vars_to_original_value.
5275 (record_equivalences_from_phis): No longer look for
5276 nonzero PHI arguments.
5277 (cprop_into_successor_phis): No longer propagate nonzero
5278 property into PHI arguments. Lose unused argument. Caller
5280 (record_equivalences_from_stmt): No longer record nonzero
5281 values for SSA_NAMEs.
5282 (lookup_avail_expr): No longer use nonzero_vars.
5284 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5285 for sizetype when sizetype is unsigned.
5287 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5289 PR rtl-optimization/25603
5290 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5291 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5292 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5293 with new meaning of SETS.
5295 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5300 * config/linux.opt: New file.
5301 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5302 LINUX_DYNAMIC_LINKER): Define.
5303 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5304 * config.gcc (*-*-linux*): Define extra_options.
5305 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5306 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5307 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5308 GLIBC_DYNAMIC_LINKER.
5309 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5310 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5311 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5313 * doc/invoke.texi (GNU/Linux Options): New section.
5315 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5317 * config/sparc/sparc.md (setjmp): Rewrite.
5318 (setjmp_32): Delete.
5319 (setjmp_64): Likewise.
5321 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5323 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5326 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5328 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5331 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5333 PR rtl-optimization/26296
5334 * Makefile.in (loop-invariant.c): Add except.h dependency.
5335 * loop-invariant.c: Include except.h.
5336 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5338 2005-02-16 Paul Brook <paul@codesourcery.com>
5340 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5343 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5345 PR rtl-optimization/25636
5346 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5347 when deciding whether an insn is an initializing insn.
5349 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5351 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5352 (tree_code_size): Ditto.
5353 * tree.h (struct tree_memory_tag): Remove parent_var.
5354 (struct tree_struct_field_tag): New.
5357 (union tree_node): Add sft member.
5358 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5360 (create_sft): Add size and offset argument, set SFT_OFFSET and
5362 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5363 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5364 * tree-flow-inline.h (get_subvar_at): Update for
5365 SFT_OFFSET/SFT_SIZE.
5366 (var_can_have_subvars): Ditto.
5367 (overlap_subvar): Ditto.
5368 * print-tree.c (print_node): Print out interesting things for
5370 * tree-flow.h (struct subvar): Remove offset and size members.
5371 * tree-ssa-operands.c (get_expr_operands): Update for
5372 get_indirect_ref_operands changes.
5373 (get_indirect_ref_operands): Call add_virtual_operand instead of
5374 add_stmt_operand. Only recurse on base var if requested.
5375 (access_can_touch_variable): New function.
5376 (add_stmt_operand): Split virtual operand handling into ...
5377 (add_virtual_operand): Here. Add offset, size, and for_clobber
5378 arguments. Prune alias sets.
5379 (add_call_clobber_ops): Call add_virtual_operand.
5381 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5384 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5386 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5387 than TREE_CODE as index into omp_clause_num_ops array.
5389 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5391 PR rtl-optimization/26184
5392 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5394 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5395 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5396 must_precede, must_follow and tobe_scheduled.
5399 * opts.c (common_handle_option): Free new_option pointer.
5400 * df-core.c (df_analyze): Free postorder pointer.
5402 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5404 * Makefile.in: Fix the examples about the use of stamps
5406 2006-02-15 Michael Matz <matz@suse.de>
5410 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5411 influenced by maximum_field_alignment or DECL_PACKED.
5412 (update_alignment_for_field): Ditto.
5413 (place_field): Ditto.
5414 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5417 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5419 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5420 (debug_flow_info): Pass it.
5421 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5422 * bb-reorder.c (reorder_basic_blocks): Likewise.
5423 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5424 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5425 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5426 * gcse.c (gcse_main, bypass_jumps): Likewise.
5427 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5428 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5429 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5430 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5431 * rtl.h (dump_flow_info): Adjust prototype.
5432 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5433 * var-tracking.c (variable_tracking_main): Likewise.
5434 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5435 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5438 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5440 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5443 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5445 PR tree-optimization/26209
5446 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5447 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5449 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5451 2006-02-14 Roger Sayle <roger@eyesopen.com>
5454 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5455 (X,Y) and the corresponding symmetry related transformations.
5456 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5457 (X,Y) and its symmetry related transformations.
5459 2006-02-14 Roger Sayle <roger@eyesopen.com>
5461 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5464 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5466 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5468 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5471 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5472 support COMDAT group.
5473 * configure: Regenerate.
5475 2006-02-14 Roger Sayle <roger@eyesopen.com>
5480 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5482 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5484 Fix PR tree-optimization/26260
5486 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5488 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5489 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5490 * tree-ssa-structalias.c (create_variable_info_for): Use
5491 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5493 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5495 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5497 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5498 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5499 of the ending condition.
5500 * tree-ssa-loop-manip.c: Include params.h.
5501 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5502 tree_unroll_loop): New functions.
5503 * tree-pass.h (pass_loop_prefetch): Declare.
5504 * loop.c (rest_of_handle_loop_optimize): Test for
5505 -fprefetch-loop-arrays-rtl.
5506 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5507 * timevar.def (TV_TREE_PREFETCH): New timevar.
5508 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5509 pass_loop_prefetch): New.
5510 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5511 (cleanup_tree_cfg_loop): Call scev_reset.
5512 * common.opt (fprefetch-loop-arrays-rtl): Add.
5513 * tree-ssa-loop-prefetch.c: New file.
5514 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5515 (new_temp_expr_table): Initialize expr_vars.
5516 (free_temp_expr_table): Cleanup expr_vars.
5517 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5518 expressions from being merged into one.
5519 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5520 (struct tree_niter_desc): Add control, bound and cmp fields.
5521 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5523 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5524 (tree-cfgcleanup.o): Add SCEV_H dependency.
5525 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5526 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5528 2006-02-14 Richard Guenther <rguenther@suse.de>
5530 PR tree-optimization/26258
5531 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5532 in PHI argument processing.
5534 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5536 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5537 new expression in the requested machine mode.
5539 2006-02-13 Roger Sayle <roger@eyesopen.com>
5541 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5542 directly, instead let do_compare_rtx_and_jump handle this for us.
5543 * expr.c (expand_expr_real_1): Likewise.
5544 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5545 before do_jump_by_parts_greater.
5546 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5547 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5549 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5551 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5553 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5555 PR rtl-optimization/26235
5556 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5557 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5560 2006-02-13 Jeff Law <law@redhat.com>
5562 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5565 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5568 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5569 twice if decl is a builtin. When trying again, call get_callee_fndecl
5570 first to verify it is still a builtin.
5572 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5574 * dwarf2out.c (base_type_die): Don't add AT_name here.
5575 (subrange_type_die): Don't add AT_name here.
5576 (modified_type_die): Rearrange code flow. Do add AT_name here.
5578 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5580 PR rtl-optimization/26247
5581 PR rtl-optimization/26248
5582 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5584 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5586 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5587 * config/fixtfdi.c: Likewise.
5588 * config/fixunstfdi.c: Likewise.
5589 * config/floatditf.c: Likewise.
5591 2006-02-13 Roger Sayle <roger@eyesopen.com>
5594 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5595 into (X,C2) if C1 is a subset of the bits of C2. Transform
5596 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5598 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5600 2006-02-13 Josh Conner <jconner@apple.com>
5603 * varasm.c (function_section): Check for section name before
5604 calling select_section on targets that define
5605 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5606 unlikely_text_section instead of hot_function_section if
5607 first_function_block_is_cold.
5609 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5612 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5614 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5616 PR rtl-optimization/26222
5617 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5618 after tree->rtl expansion.
5619 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5620 before passing it to emit_move_insn.
5622 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5624 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5626 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5627 Clarify documentation.
5628 * c-common.h (warn_write_strings): Remove.
5629 * c-common.c (warn_write_strings): Likewise.
5630 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5633 2006-02-12 Roger Sayle <roger@eyesopen.com>
5636 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5637 (do_jump_parts_zero_rtx): New function renamed from
5638 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5639 (do_jump_parts_equality_rtx): New function split out from
5640 do_jump_parts_equality. Old implementation renamed as above.
5641 Call do_jump_parts_zero_rtx if either operand is zero.
5642 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5643 do all of the heavy lifting.
5644 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5645 calling either do_jump_by_parts_greater_rtx or
5646 do_jump_by_parts_equality_rtx.
5647 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5648 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5649 moved to do_compare_rtx_and_jump, call it directly.
5650 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5651 mode argument. Call do_compare_rtx_and_jump.
5652 (emit_case_nodes): Update calls to do_jump_if_equal.
5654 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5656 PR rtl-optimization/26225
5657 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5659 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5661 PR rtl-optimization/26232
5662 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5664 2006-02-11 Jason Merrill <jason@redhat.com>
5667 * tree-inline.c (declare_return_variable): Just don't use the
5668 modify target if it's a gimple complex reg and the return slot
5671 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5673 * doc/contrib.texi: Update my entry.
5675 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5677 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5679 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5681 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5684 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5686 * doc/invoke.texi (-floop-optimize2): Removed.
5687 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5688 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5689 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5690 * common.opt (floop-optimize2): Removed.
5691 (fmove-loop-invariants): Enabled by default.
5693 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5695 * tree-if-conv.c (combine_blocks): Free the result of
5696 get_loop_exit_edges.
5698 2006-02-10 Jeff Law <law@redhat.com>
5700 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5702 PR tree-optimization/26213
5703 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5704 loop trying to follow SSA_NAME_VALUE chains.
5706 2006-02-10 Richard Guenther <rguenther@suse.de>
5708 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5709 deal with structures that end in implicitly variable sized arrays.
5711 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5713 PR rtl-optimization/24762
5714 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5717 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5719 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5720 (struct ivopts_data): Add regs_used field.
5721 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5722 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5723 instead of loop_data->regs_used;
5724 (free_loop_data): Do not free aux fields for loops.
5725 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5726 and tree_ssa_iv_optimize_finalize.
5728 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5730 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5732 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5735 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5736 computing the effective result type.
5738 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5741 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5742 (tree_overlaps_hard_reg_set): Declare.
5743 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5744 type and signature to match function type expected by walk_tree.
5745 (tree_overlaps_hard_reg_set): New function.
5746 (decl_conflicts_with_clobbers_p): Rename to:
5747 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5748 Use tree_overlaps_hard_reg_set. Changed caller.
5749 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5750 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5751 * cris.c (cris_md_asm_clobbers): Likewise.
5753 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5755 * reload1.c (emit_input_reload_insns): Delete code that tries to
5756 inherit using find_equiv_reg.
5758 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5760 * c-common.h (flag_const_strings): Don't declare.
5761 * c-common.c (flag_const_strings): Remove.
5762 * c.opt (fconst_strings): Remove.
5763 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5764 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5765 (c_common_init_options): Don't set flag_const_strings.
5766 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5768 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5770 * arm.md (tlobits_cbranch): New pattern.
5771 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5772 testing a single bit.
5774 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5777 * tree-ssa-pre.c (create_component_ref_by_pieces):
5778 Handle RETURN_DECL like VAR_DECL.
5780 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5783 * fold-const.c (fold_indirect_ref_1): Fold
5784 "*(foo *)&complexfoo" to "__real__ complexfoo"
5785 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5787 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5789 * tree-flow-inline.h (var_can_have_subvars):
5790 Volatile variables should not have subvariables.
5792 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5795 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5796 multiplying unsigned values.
5799 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5801 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5803 2006-02-08 Jason Merrill <jason@redhat.com>
5806 * tree.def: Elaborate on difference from MODIFY_EXPR.
5807 * doc/c-tree.texi (INIT_EXPR): Likewise.
5808 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5809 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5810 (gimplify_target_expr): Likewise.
5811 (gimplify_cond_expr): Remove target handling.
5812 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5813 (gimplify_expr): Clobber it here.
5814 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5815 Do return slot optimization if we have an INIT_EXPR.
5818 * tree-inline.c (declare_return_variable): Also clear
5819 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5822 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5825 * gimplify.c (gimplify_one_sizepos): Fix typo.
5827 2006-02-08 Jeff Law <law@redhat.com>
5829 PR tree-optimization/21417
5830 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5831 across a backedge if the control statement at the end of the
5832 block is data dependent on other statements in the same block.
5833 (record_temporary_equivalences_from_stmts): Remove over-conservative
5834 test for threading across backedges.
5836 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5837 control statement, handle all three special cases in the same
5838 manner as they all have the same desired solution. No longer
5839 special case edge flag updating when the post dominator is
5842 2006-02-08 Roger Sayle <roger@eyesopen.com>
5844 * tree.def (CHAR_TYPE): Remove.
5845 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5846 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5847 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5848 (gen_string_type_die): Delete unreachable function.
5850 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5851 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5852 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5853 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5854 * builtins.c (type_to_class): Likewise.
5855 * fold-const.c (fold_convert, build_range_check,
5856 merge_ranges): Likewise.
5857 * expr.c (count_type_elements): Likewise.
5858 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5859 * stor-layout.c (layout_type): Likewise.
5860 * ipa-type-escape.c (type_to_consider): Likewise.
5861 * gimplify.c (omp_firstprivatize_type_sizes,
5862 gimplify_type_sizes): Likewise.
5863 * explow.c (promote_mode): Likewise.
5864 * tree-sra.c (is_sra_scalar_type): Likewise.
5865 * varasm.c (output_constant): Likewise.
5866 * tree-inline.c (remap_type_1): Likewise.
5867 * convert.c (convert_to_pointer, convert_to_real,
5868 convert_to_integer, convert_to_complex): Likewise.
5870 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5872 * df-scan.c (df_def_record_1): A set destination may
5873 be a parallel regardless of mode.
5875 2006-02-08 Roger Sayle <roger@eyesopen.com>
5878 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5879 * config/mips/_tilib.c: Remove.
5880 * config/fixtfdi.c: New libgcc source file.
5881 * config/fixunstfdi.c: New source file.
5882 * config/floatditf.c: New source file.
5883 * config/floatunditf.c: New souce file.
5884 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5885 files above instead of config/mips/_tilib.c.
5886 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5888 2006-02-08 Jeff Law <law@redhat.com>
5890 PR tree-optimization/26169
5891 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5894 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5896 * df.h (DF_REG_SIZE): Return the length of the initialized
5899 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5901 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5902 __muldf3): Return a correctly signed zero.
5904 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5906 * passes.c (register_one_dump_file): Accept the current properties
5907 instead of pass number. Adjust call to dump_register. Remove
5909 (register_dump_files): Now a wrapper around...
5910 (register_dump_files_1): ... this one. Do not modify the pass
5912 (next_pass_1): Cosmetic fix.
5913 (execute_todo): Keep second parameter only. Use curr_properties
5914 instead of fetching it from the pass structure. Check and set
5916 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5917 instead of fetching it from the pass structure. Fix calls to
5918 execute_todo. Update curr_properties and initialize .vcg RTL dump
5919 after running the pass. Reset last_verified.
5920 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5922 (FIRST_AUTO_NUMBERED_DUMP): New.
5923 (dump_register): Remove "num" parameter, assign it within the
5925 (get_dump_file_name): Modify template for dumps.
5926 * tree-dump.h (dump_register): Adjust prototype.
5927 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5928 (PROP_trees): Add PROP_gimple_lomp.
5929 (TODO_set_props): New.
5930 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5931 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5932 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5934 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5936 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5937 (sparc64-*-linux*): Likewise.
5938 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5939 * config/sparc/t-linux: New file.
5940 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5941 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5942 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5943 -m32 -mlong-double-128.
5945 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5946 * config/alpha/t-linux: New file.
5947 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5949 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5950 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5951 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5952 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5953 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5954 (CPP_ARCH32_SPEC): Remove.
5956 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5958 PR tree-optimization/26145
5959 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5962 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5965 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5966 >= 240000 when generating code for SOM runtime.
5967 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5968 to $$dyncall when generating code for SOM runtime..
5970 2006-02-07 Dirk Mueller <dmueller@suse.com>
5973 * doc/invoke.texi (-Wsequence-point): Update documentation
5974 that -Wsequence-point is implemented for C++ as well.
5976 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5978 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5979 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5980 (LIB_SPEC): Likewise.
5981 * doc/invoke.texi (SPARC options): Document -pthread.
5983 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5985 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5988 2006-02-07 Roger Sayle <roger@eyesopen.com>
5990 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5991 Correct comment describing BOOLEAN_TYPE.
5993 2006-02-07 Dirk Mueller <dmueller@suse.com>
5995 * c.opt: C++ frontend supports -Wdiv-by-zero.
5996 * c-opts.c (c_common_handle_option): Remove dead case.
5998 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6000 * configure.ac (TLS assembler check): Do not enable TLS by
6001 default on SPARC/Solaris before version 10.
6002 * configure: Regenerate.
6004 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6006 * doc/invoke.texi (xl-compat): Document conversion and support
6009 2006-02-07 Jeff Law <law@redhat.com>
6011 * tree-vrp.c (find_conditional_asserts): Update comments.
6012 (simplify_stmt_for_jump_threading): New.
6013 (identify_jump_threads, finalize_jump_threads): New.
6014 (vrp_finalize): Call identify_jump_threads.
6015 (execute_vrp): Call finalize_jump_threads.
6016 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6017 (vrp_element, vrp_data, vrp_element_p): Remove.
6018 (vrp_hash_elt, vrp_variables_stack): Remove.
6019 (vrp_hash, vrp_eq, record_range): Remove.
6020 (simplify_cond_and_lookup_avail_expr): Remove.
6021 (extract_range_from_cond): Remove.
6022 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6023 (simplify_stmt_for_jump_threading): New.
6024 (dom_thread_across_edge): New wrapper.
6025 (tree_ssa_dominator_optimize): No longer initialize or
6026 finalize any of the VRP datastructures. Remove iteration
6027 step and simplify as a result of removal of iteration step.
6028 (pass_dominator): Perform a cfg cleanup after DOM.
6029 (dom_opt_finalize_block): Use the new common routines
6030 for threading jumps. Simplify stack management slightly.
6031 No longer need to unwind VRP state.
6032 (record_equivalences_from_incoming_edge): No longer record
6034 (eliminate_redundant_computations): No longer call
6035 simplify_cond_and_lookup_avail_expr.
6036 * tree-flow.h (potentially_threadable_block): Prototype.
6037 (thread_across_edge): Likewise.
6038 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6039 (tree-ssa-threadedge.o): Add dependencies.
6040 * tree-ssa-threadedge.c: New file.
6041 * passes.c (init_optimization_passes): Merge PHIs before
6042 calling VRP. Run VRP again late in the SSA optimization pipeline.
6044 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6046 * df-core.c (df_set_blocks): Do not dereference function pointers.
6047 (df_finish1): Likewise.
6048 (df_hybrid_search_forward): Likewise.
6049 (df_hybrid_search_backward): Likewise.
6050 (df_iterative_dataflow): Likewise.
6051 (df_analyze_problem): Likewise.
6052 (df_compact_blocks): Likewise.
6053 (df_dump): Likewise.
6054 * df-scan.c (df_rescan_blocks): Likewise.
6055 (df_record_entry_block_defs): Likewise.
6057 * genconditions.c (write_conditions): Guard the definition of
6058 'insn_conditions' with the check on GCC version.
6059 (write_writer): Guard the traversal 'insn_conditions' with
6060 the check on GCC version.
6062 2006-02-07 Richard Guenther <rguenther@suse.de>
6066 2006-01-30 Richard Guenther <rguenther@suse.de>
6068 * gimplify.c (gimplify_target_expr): Handle easy cases
6069 without creating a temporary.
6071 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6073 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6074 use of float in probability computations. Use edge probabilities
6075 in place of statically computed probabilities.
6076 (min_spec_prob): New static variable.
6077 (schedule_insns): Initialize it.
6078 (GET_SRC_PROB): Removed.
6079 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6081 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6084 * config/ia64/unwind-ia64.c: Revert last change.
6085 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6086 (INCOMING_FRAME_SP_OFFSET): Define.
6088 2006-02-06 Roger Sayle <roger@eyesopen.com>
6090 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6092 2006-02-07 Ben Elliston <bje@au.ibm.com>
6094 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6095 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6096 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6097 (ix86_return_in_memory): Handle TDmode.
6098 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6099 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6101 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6103 * reorg.c (dbr_schedule): Use dump_file instead of file.
6105 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6108 * config/ia64/predicates.md (extr_len_operand): New predicate.
6109 * config/ia64/ia64.md (extv): Tighten constraints.
6111 (*tbit_and_2): Ditto.
6112 (*tbit_and_3): Ditto.
6113 (*tbit_or_2): Ditto.
6114 (*tbit_or_3): Ditto.
6118 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6121 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6123 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6125 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6126 loop_optimizer_init and loop_optimizer_finalize
6127 * tree-ssa-sink.c (execute_sink_code): Ditto.
6128 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6129 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6130 tree_ssa_loop_done): Ditto.
6131 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6132 * sched-ebb.c: Include output.h.
6133 (schedule_ebbs): Do not use dump argument.
6134 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6135 * loop.c (loop_dump_stream): Removed.
6136 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6138 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6139 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6140 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6141 loop_iterations, strength_reduce, record_biv, record_giv,
6142 final_giv_value, check_final_value, check_ext_dependent_givs,
6143 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6144 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6145 dump_file instead of loop_dump_stream.
6146 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6148 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6150 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6151 * haifa-sched.c: Include output.h
6152 (schedule_insns, sched_init): Do not use dump argument.
6153 * mode-switching.c (optimize_mode_switching): Ditto.
6154 * modulo-sched.c (stats_file): Removed.
6155 (print_node_sched_params): Do not call argument dump_file.
6156 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6157 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6159 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6161 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6162 rtl_loop_init, rtl_loop_done): Ditto.
6163 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6164 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6166 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6167 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6168 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6169 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6170 * emit-rtl.c (renumber_insns): Ditto.
6171 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6172 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6173 * regclass.c (regclass): Ditto.
6174 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6175 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6176 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6177 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6179 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6180 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6182 * gcse.c (gcse_file, debug_stderr): Removed.
6183 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6184 rest_of_handle_gcse): Do not use dump argument.
6185 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6186 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6187 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6188 compute_code_hoist_vbeinout, compute_code_hoist_data,
6189 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6190 compute_store_table, build_store_vectors, insert_insn_start_bb,
6191 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6192 store_motion): Use dump_file instead of gcse_file.
6193 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6194 * profile.c (profile_dump_file): Removed.
6195 (branch_prob): Use dump_file instead of profile_dump_file.
6196 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6198 * tree-ssa-copy.c (dump_copy_of): Ditto.
6199 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6200 dump file to life_analysis.
6201 * bt-load.c (branch_target_load_optimize): Ditto.
6202 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6204 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6205 regclass, dbr_schedule): Declaration changed.
6206 * sched-int.h (sched_init): Declaration changed.
6207 * tree-profile.c (tree_profile_dump_file): Removed.
6208 (tree_profile_hooks): Removed profile_dump_file hook.
6209 * rtl-profile (rtl_profile_dump_file): Removed.
6210 (rtl_profile_hooks): emoved profile_dump_file hook.
6211 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6213 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6214 * tree-cfg.c (build_tree_cfg): Ditto.
6215 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6216 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6217 Declaration changed.
6218 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6219 life_analysis and schedule_insns.
6220 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6222 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6224 * config/mips/mips.c (mips_reorg): Ditto.
6225 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6228 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6230 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6231 (s390_mangle_fundamental_type): New.
6232 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6235 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6236 (alpha_mangle_fundamental_type): New.
6237 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6240 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6242 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6244 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6245 (sparc_mangle_fundamental_type): New.
6247 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6249 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6250 (s390x-*-linux*): Likewise.
6251 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6252 * config/s390/t-linux: New file.
6254 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6256 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6257 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6259 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6261 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6262 (ANTIC_SAFE_LOADS): New macro.
6263 (find_or_generate_expression): Add prototype.
6264 (set_contains_value): Allow null set for sake of not always having
6265 to allocate ANTIC_SAFE_LOADS.
6266 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6267 Allow COMPONENT_REF too.
6268 (valid_in_set): Allow COMPONENT_REF.
6269 Check ANTIC_SAFE_LOADS too.
6270 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6271 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6273 (can_PRE_operation): Add COMPONENT_REF.
6274 (create_component_ref_by_pieces): New function.
6275 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6276 (insert_aux): Move AGGREGATE_TYPE_P check here.
6277 (compute_avail): Set bb local stmt uids.
6278 (pass_pre): Use TODO_update_ssa_only_virtuals.
6280 2006-02-06 Ben Elliston <bje@au.ibm.com>
6282 * configure.ac: Unconditionally disable decimal float by default.
6283 * configure: Regenerate.
6285 2006-02-06 Ben Elliston <bje@au.ibm.com>
6287 * read-rtl.c (read_name): Terminate reading on EOF.
6289 2006-02-06 Ben Elliston <bje@au.ibm.com>
6291 * dfp.c (decimal_real_arithmetic): Change second argument type
6292 from int to enum tree_code. Do not always return true, but now
6293 return result of any call to decimal_do helper functions.
6294 * dfp.h (decimal_real_arithmetic): Update prototype.
6296 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6298 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6300 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6303 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6306 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6308 * tree-vrp.c (cfg_loops): Removed.
6309 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6310 Use current_loops instead of cfg_loops. Pass flags to
6311 loop_optimizer_init.
6312 * cfgloopmanip.c (fix_loop_structure): Update only available
6314 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6315 loop_optimizer_init.
6316 * modulo-sched.c (build_loops_structure): Removed.
6317 (sms_schedule): Use loop_optimizer_init.
6318 * loop-init.c (loop_optimizer_init): Use flags to determine
6319 which properties of loops to prepare.
6320 (rtl_loop_init): Pass flags to loop_optimizer_init.
6321 * tree-ssa-sink.c (execute_sink_code): Ditto.
6322 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6323 * tree-ssa-pre.c (init_pre): Ditto.
6324 * cfgloop.h (LOOPS_NORMAL): New.
6325 (loop_optimizer_init): Declaration changed.
6327 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6329 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6330 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6332 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6334 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6336 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6337 * pa/t-pa64: Delete quadlib.c rule.
6338 * pa/x-ada: Revert last change.
6339 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6341 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6343 PR rtl-optimization/26087
6344 * rtlanal.c (canonicalize_condition): Do not cross basic block
6347 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6350 * config/ia64/ia64.c: Include debug.h.
6351 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6352 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6353 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6354 (process_epilogue, process_set, process_for_unwind_directive):
6355 Output unwind info only if requested. Add CFA info if requested.
6356 Add new arguments as needed. Adjust callers.
6357 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6359 (DWARF2_FRAME_INFO): Define to zero.
6360 * config/ia64/unwind-ia64.c: Remove code that compensated for
6361 the CFA offset error fixed above.
6362 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6363 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6364 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6365 -funwind-tables and -fexceptions to enable frame info.
6366 (dwarf2out_frame_init): Define initial CFA even if
6367 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6368 DWARF2_UNWIND_INFO is nonzero, not just defined.
6369 (dwarf2out_frame_finish): Output non-EH call frame info only
6370 if DWARF2_FRAME_INFO is nonzero.
6371 (convert_cfa_to_loc_list,
6372 compute_frame_pointer_to_cfa_displacement): Define even if
6373 unwind info is not supported.
6374 (gen_subprogram_die): Use the above unconditionally. Remove
6375 legacy alternate code.
6376 * toplev.c (compile_file): Compile in call to
6377 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6378 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6380 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6381 Jakub Jelinek <jakub@redhat.com>
6383 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6384 IBM extended float format long double as "g" on powerpc*-linux.
6386 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6389 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6390 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6392 2006-02-03 Jason Merrill <jason@redhat.com>
6395 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6398 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6399 on the return slot if it's an NRV.
6401 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6403 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6404 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6405 rewrite_use): Do not handle USE_OUTER.
6406 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6407 add_iv_outer_candidates, may_replace_final_value,
6408 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6409 (find_interesting_uses_op): Functionality of
6410 find_interesting_uses_outer_or_nonlin moved here.
6411 (find_interesting_uses_outside): Use find_interesting_uses_op.
6413 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6416 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6418 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6419 Ulrich Weigand <uweigand@de.ibm.com>
6422 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6423 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6424 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6425 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6427 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6428 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6429 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6430 Define secondary reloads for TFmode moves.
6431 (constant_modes): Add TFmode.
6432 (NR_C_MODES): Set to 8.
6433 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6435 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6436 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6437 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6438 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6439 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6440 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6441 (FPR mode macro): Add TFmode.
6442 (DSF mode macro): New.
6443 (<de>, <dee> mode attributes): Removed.
6444 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6445 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6446 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6447 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6448 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6449 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6450 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6451 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6452 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6453 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6454 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6455 "*negabs<mode>2", "sqrt<mode>2"):
6456 Changed <de> to <xde>. R constraint replaced by <Rf>.
6457 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6459 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6460 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6461 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6463 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6464 "extenddftf2", "extendsftf2"): New expanders.
6465 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6466 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6467 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6468 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6470 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6471 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6472 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6473 __floatditf): Add a GCC_4.1.0 symbol version tag.
6474 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6477 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6480 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6481 Use targetm.binds_local_p instead of TREE_PUBLIC.
6483 2006-02-02 Roger Sayle <roger@eyesopen.com>
6485 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6486 on INTEGER_TYPEs to indicate that it denotes a character type.
6487 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6488 signed_char_type_node, unsigned_char_type_node and char_type_node.
6489 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6490 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6491 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6493 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6494 Daniel Berlin <dberlin@dberlin.org>
6496 * tree-tailcall.c (arg_needs_copy_p): New function.
6497 (eliminate_tail_call): Use arg_needs_copy_p.
6498 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6499 (add_virtual_phis): New function.
6501 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6503 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6504 #ignore instead of #scratch for %g7 .register directive.
6506 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6508 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6511 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6513 * flow.c (calculate_global_regs_live): Assert that there aren't any
6516 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6518 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6520 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6521 bsi_after_labels iterator.
6522 * tree-if-conv.c (find_phi_replacement_condition,
6523 replace_phi_with_cond_modify_expr): Likewise.
6524 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6525 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6527 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6529 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6531 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6534 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6535 array after growing it.
6537 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6540 * fold-const.c (fold_checksum_tree): Change type of buf.
6542 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6544 * reload.c (push_secondary_reload): Initialize t_icode.
6546 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6548 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6549 -msoft-float -mlong-double-128 only issue a warning, but don't
6550 swich to DFmode long double.
6552 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6554 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6555 has a constant equivalent, iterate over equivalents for arg0,
6556 calling simplify_relational_operation and if there's a result
6557 cheaper than X, apply fold_rtx and return the result.
6559 2006-02-01 Jan Hubicka <jh@suse.cz>
6561 * opts.c (no_unit_at_a_time_default): New global variable.
6562 (decode_options): Use it.
6563 * opts.h (no_unit_at_a_time_default): Declare.
6565 2006-02-01 Paul Brook <paul@codesourcery.com>
6567 * function.c (assign_parm_setup_reg): Use function argument promotion
6569 * expr.c (expand_expr_real_1): Use function argument promotion rules
6572 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6574 * gcc.c (process_command): Change j to 'unsigned int'.
6576 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6579 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6580 Use the corrected index for the character
6581 out of the string constant.
6583 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6585 * mode-switching.c (optimize_mode_switching): Fix size
6586 allocated for bb_info[n_entities].
6588 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6590 * gcc.c (main): Correct type that is allocated for
6591 explicit_link_files.
6593 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6595 * config/s390/s390.c (init_alignment_context): Set
6596 ALIAS_SET_MEMORY_BARRIER on the MEM.
6597 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6599 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6602 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6604 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6607 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6609 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6610 * regrename.c: Ditto.
6611 * tree-ssa-loop-im.c: Ditto.
6612 * tree-dump.c: Ditto.
6613 * tree-complex.c: Ditto.
6614 * genrecog.c: Ditto.
6615 * tree-ssa-threadupdate.c: Ditto.
6617 * java/class.c: Ditto.
6618 * java/jcf-parse.c: Ditto.
6619 * java/resource.c: Ditto.
6620 * java/except.c: Ditto.
6621 * java/jvspec.c: Ditto.
6622 * java/jcf-write.c: Ditto.
6623 * java/jcf-path.c: Ditto.
6624 * java/gjavah.c: Ditto.
6625 * java/zextract.c: Ditto.
6626 * java/jcf-io.c: Ditto.
6627 * java/jcf.h: Ditto.
6628 * java/buffer.c: Ditto.
6629 * java/lang.c: Ditto.
6630 * java/parse-scan.y: Ditto.
6631 * java/lex.c: Ditto.
6632 * java/lex.h: Ditto.
6633 * cfgloopmanip.c: Ditto.
6634 * postreload-gcse.c: Ditto.
6635 * tree-ssa-loop-manip.c: Ditto.
6636 * postreload.c: Ditto.
6637 * tree-ssa-loop-ch.c: Ditto.
6641 * diagnostic.c: Ditto.
6643 * genoutput.c: Ditto.
6645 * cfghooks.c: Ditto.
6646 * cfgloopanal.c: Ditto.
6647 * objc/objc-act.c: Ditto.
6649 * genextract.c: Ditto.
6650 * genautomata.c: Ditto.
6651 * pretty-print.c: Ditto.
6653 * cgraphunit.c: Ditto.
6656 * haifa-sched.c: Ditto.
6657 * dominance.c: Ditto.
6659 * tree-ssa-loop-ivopts.c: Ditto.
6661 * mode-switching.c: Ditto.
6662 * modulo-sched.c: Ditto.
6664 * ipa-pure-const.c: Ditto.
6666 * fix-header.c: Ditto.
6668 * tree-stdarg.c: Ditto.
6669 * ipa-utils.c: Ditto.
6670 * loop-init.c: Ditto.
6671 * ipa-inline.c: Ditto.
6674 * alloc-pool.c: Ditto.
6675 * dwarf2out.c: Ditto.
6677 * genattrtab.c: Ditto.
6678 * tree-ssa-loop-ivcanon.c: Ditto.
6682 * fortran/gfortranspec.c: Ditto.
6684 * local-alloc.c: Ditto.
6685 * langhooks.c: Ditto.
6686 * function.c: Ditto.
6687 * tree-vectorizer.c: Ditto.
6689 * ipa-type-escape.c: Ditto.
6691 * tree-if-conv.c: Ditto.
6694 * tree-data-ref.c: Ditto.
6695 * loop-unroll.c: Ditto.
6696 * treelang/treetree.c: Ditto.
6699 * ggc-common.c: Ditto.
6701 * coverage.c: Ditto.
6703 * tree-cfgcleanup.c: Ditto.
6704 * tree-ssa-pre.c: Ditto.
6705 * cfgcleanup.c: Ditto.
6706 * loop-invariant.c: Ditto.
6708 * ipa-prop.c: Ditto.
6709 * print-tree.c: Ditto.
6710 * conflict.c: Ditto.
6711 * ggc-page.c: Ditto.
6712 * sched-deps.c: Ditto.
6713 * regclass.c: Ditto.
6714 * tree-object-size.c: Ditto.
6716 * bb-reorder.c: Ditto.
6717 * resource.c: Ditto.
6718 * var-tracking.c: Ditto.
6720 * df-problems.c: Ditto.
6721 * reg-stack.c: Ditto.
6724 * sched-rgn.c: Ditto.
6725 * tree-ssa-structalias.c: Ditto.
6726 * tree-ssa-reassoc.c: Ditto.
6727 * config/darwin-c.c: Ditto.
6728 * config/darwin.c: Ditto.
6729 * config/arm/arm.c: Ditto.
6731 * collect2.c: Ditto.
6734 2006-01-31 Nicolas Pitre <nico@cam.org>
6736 * arm.md (smaxsi3): Make aware of smax_m1.
6739 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6741 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6743 2006-01-31 Richard Guenther <rguenther@suse.de>
6745 * doc/invoke.texi (-msselibm): Document.
6746 * target.h (expand_library_builtin): New target hook.
6747 * builtins.c (expand_builtin): Use expand_library_builtin.
6748 (default_expand_library_builtin): New function.
6749 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6750 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6751 (link_gcc_math_spec): Declare.
6752 (static_specs): Add link_gcc_math_spec.
6753 * expr.h (default_expand_library_builtin): Declare.
6754 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6755 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6756 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6757 * config/i386/i386.opt (msselibm): New target option.
6758 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6759 (ix86_init_sse_abi_builtins): New function.
6760 (ix86_expand_library_builtin): Likewise.
6761 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6762 (override_options): Handle error conditions wrt -msselibm.
6763 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6764 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6765 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6768 2006-01-31 Richard Guenther <rguenther@suse.de>
6769 Paolo Bonzini <bonzini@gnu.org>
6771 * doc/install.texi (--disable-libgcc-math): Document.
6773 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6775 * expr.h (expand_normal): new inline function.
6776 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6778 * dwarf2out.c: use it.
6783 * config/sparc/sparc.c: use it.
6784 * config/i386/i386.c: use it.
6785 * config/rs6000/rs6000.c: use it.
6786 * config/arm/arm.c: use it.
6787 * config/mips/mips.c: use it.
6788 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6790 2006-01-30 Roger Sayle <roger@eyesopen.com>
6792 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6793 argv to the appropriate type.
6795 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6797 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6800 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6803 * config/s390/s390.c (struct machine_function): New flag
6804 decomposed_literal_pool_addresses_ok_p.
6805 (s390_reorg): Set it before final stage of literal pool transforms.
6806 (s390_decompose_address): Only accept displacements of the form
6807 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6809 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6811 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6812 the comparison routine return.
6814 2006-01-30 Michael Matz <matz@suse.de>
6816 * global.c (find_reg): Only evict for global regs.
6817 Take n_refs into account and dump more info.
6819 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6822 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6823 (pragma_trap, pragma_nosave_low_regs): Likewise.
6824 (current_function_anonymous_args): Likewise.
6825 (sh_deferred_function_attributes): New variable.
6826 (sh_deferred_function_attributes_tail): Likewise.
6827 (print_operand): For '@', look up trap_exit attribute.
6828 (calc_live_regs): Look up trapa_handler attribute. For trapa
6829 handlers, save/restore fpscr, but don't do any other
6830 interrupt-specific saves.
6831 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6832 Fix check for partially saved registers to check for SHmedia.
6833 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6834 (sh_output_function_epilogue): Don't clear any of the removed
6836 (sh_insert_attributes): Don't check pragma_interrupt.
6837 Insert deferred attributes. Check that interrupt attribute is
6838 present for other attributes that require its presence.
6839 (sh_attribute_table): Add new attributes trapa_handler and
6841 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6842 Don't check for pragma_interrupt. Don't store argument.
6843 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6844 (sh_deferred_function_attributes): Declare.
6845 (sh_deferred_function_attributes_tail): Likewise.
6846 * sh.md (sp_switch_1): Add operand. Change generator caller.
6847 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6848 (*return_i): Don't use when trap_exit attribute is in effect.
6849 (*return_trapa): New insn pattern.
6851 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6852 setting c_target_objs and cxx_target_objs.
6853 * t-sh: Add rule for sh-c.o.
6855 2006-01-30 Richard Guenther <rguenther@suse.de>
6858 * gimplify.c (gimplify_target_expr): Handle easy cases
6859 without creating a temporary.
6861 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6863 * vec.h (safe_grow): Remove duplicated line.
6865 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6868 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6869 (expand_omp): ... here.
6870 (expand_omp_parallel): Only remove barriers for combined
6871 parallel+workshare constructs.
6873 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6877 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6878 * tree.c (build_qualified_type): Chain the new type to the original
6879 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6880 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6881 (build_pointer_type_for_mode): Only return unqualified types.
6882 (build_reference_type_for_mode): Likewise.
6884 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6886 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6887 * Makefile.in (CXX_COMPAT_WARN): Define.
6888 * configure: Regenerate.
6890 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6893 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6896 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6898 * toplev.c: Fix thinko.
6900 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6901 Marcin Dalecki <martin@dalecki.de>
6903 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6904 (push_srcloc): Use XNEW.
6905 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6907 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6909 * df-core.c (df_set_blocks): Deleted all variable.
6911 2006-01-28 Ian Lance Taylor <ian@airs.com>
6913 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6914 cgraph_output_pending_asms.
6916 2006-01-28 Zack Weinberg <zackw@panix.com>
6918 * c.opt: Add -W(no-)overlength-strings.
6919 * doc/invoke.texi: Document it.
6920 * c-opts.c (c_common_handle_option): -pedantic implies
6921 -Woverlength-strings, if not explicitly disabled already.
6922 (c_common_post_options): -Woverlength-strings defaults to off, and
6923 is always off for C++.
6924 * c-common.c (fix_string_type): Issue warning about strings longer
6925 than is portable only if warn_overlength_strings. Rearrange code
6926 a little for clarity.
6927 * configure.in: Check for -Wno-overlength-strings as well before
6928 enabling -pedantic in stage 1.
6929 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6930 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6932 * genconditions.c (write_header, write_one_condition)
6933 (write_conditions, write_writer): Consolidate very long strings
6934 that were broken up to fit in C89 portable limit. Don't use
6935 printf when fputs will do.
6937 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6939 * combine.c (simplify_comparison <AND>): Check
6940 TRULY_NOOP_TRUNCATION before start using a subreg.
6942 * config/mips/mips.md (*branch_zero<mode>,
6943 *branch_zero<mode>_inverted, *branch_equality<mode>,
6944 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6945 Remove mode check from comparisons.
6947 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6949 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6951 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6953 * expmed.c (const_mult_add_overflow_p): Remove.
6954 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6956 * recog.c (validate_replace_rtx_subexp): Remove.
6957 * recog.h: Remove the prototype for
6958 validate_replace_rtx_subexp.
6960 * integrate.h: Remove the prototype for
6961 copy_decl_for_inlining.
6962 * rtl.h: Remove the prototype for mark_constant_function.
6963 * tree-vectorizer.h: Remove the prototype for
6964 vect_strip_conversion.
6966 * modulo-sched.c (create_partial_schedule,
6967 free_partial_schedule, reset_partial_schedule): Make them
6970 * hooks.c (hook_bool_rtx_int_false): Remove.
6971 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6973 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6975 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6976 and -mlong-double-128 are incompatible.
6977 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6978 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6979 (TARGET_LIBGCC2_CFLAGS): Define.
6980 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6981 (TARGET_LIBGCC2_CFLAGS): Same.
6982 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6984 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6987 * c-typeck.c (build_binary_op): Perform implicit casts of
6988 operands before shortening them.
6990 * cfgloopmanip.c (split_loop_bb): Remove.
6991 * cfgloop.h: Remove the prototype for split_loop_bb.
6993 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6994 * cfgloop.h: Remove the prototype for
6995 flow_loop_outside_edge_p.
6997 * emit-rtl.c (init_virtual_regs): Make it static.
6998 * function.h: Remove the prototype for init_virtual_regs.
7000 * recog.c (peephole2_optimize): Make it static.
7001 * recog.h: Remove the prototype for peephole2_optimize.
7003 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7005 * df-scan.c (df_record_entry_block_defs): Check if
7006 INCOMING_RETURN_ADDR_RTX is defined.
7008 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7009 Kenneth Zadeck <zadeck@naturalbridge.com>
7011 PR rtl-optimization/24762
7012 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7013 * targhooks.c (hook_void_bitmap): New hook prototype.
7014 * targhoohs.h (hook_void_bitmap): Ditto.
7015 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7016 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7017 * target.h (live_on_entry): New function pointer.
7018 * df-scan.c (df_all_hard_regs): Removed.
7019 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7020 (df_scan_free_internal): Added df->entry_block_defs.
7021 (df_scan_alloc): Ditto.
7022 (df_scan_dump): Ditto.
7023 (df_uses_record): Plumbed flag field properly thru calls.
7024 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7025 This part fixes PR24762.
7026 (df_bb_refs_record): Added code to make the frame and arg
7027 pointers live in EH blocks.
7028 (df_refs_record): Added call to df_record_entry_block_defs.
7029 (df_record_entry_block_defs): New function.
7030 * df-core.c: Added comments to describe new artifical defs.
7031 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7032 (entry_block_defs): New field in struct df.
7033 (df_all_hard_regs): Deleted.
7034 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7035 * df-problems.c (df_ru_bb_local_compute_process_def):
7036 Added code to handle artifical defs in the entry to a function.
7037 (df_ru_bb_local_compute): Ditto.
7038 (df_rd_bb_local_compute_process_def): Ditto.
7039 (df_rd_bb_local_compute): Ditto.
7040 (df_lr_bb_local_compute): Ditto.
7041 (df_ur_bb_local_compute): Ditto.
7042 (df_urec_bb_local_compute): Ditto.
7043 (df_chain_create_bb): Ditto.
7044 (df_ur_local_finalize): Removed entry.
7045 (df_urec_init): Ditto.
7046 (df_urec_local_finalize): Ditto.
7047 (df_ri_bb_compute): Added detection of last use of pseudos.
7048 * Makefile.in (df-scan.o): Updated dependencies.
7049 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7050 * config/mips/mips.c (mips_set_live_on_entry): Added.
7051 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7053 * dce.c (marked_insn_p): Added code to handle artifical defs.
7055 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7057 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7059 (_mm_cvtsi128_si64): Likewise.
7060 (_mm_cvtsd_si64): Likewise.
7061 (_mm_cvttsd_si64): Likewise.
7062 (_mm_cvtsi64_sd): Likewise.
7063 (_mm_cvtsi64_si128): Likewise.
7064 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7065 (_mm_cvtsi64_m64): Likewise.
7066 (_m_to_int64): Likewise.
7067 (_mm_cvtm64_si64): Likewise.
7068 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7069 (_mm_cvttss_si64): Likewise.
7070 (_mm_cvtsi64_ss): Likewise.
7071 (_mm_cvtss_f32): Likewise.
7073 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7075 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7076 for pragma redefine_extname.
7078 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7081 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7082 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7083 -mno-minimal-toc to previous content.
7084 (bispecs): Remove goal.
7085 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7086 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7087 compatibility aliases on powerpc-*-*gnu*.
7088 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7089 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7090 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7091 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7092 (ldblspecs): New goal.
7093 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7094 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7096 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7097 L_sf_to_tf or L_df_to_tf is defined.
7099 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7100 Alan Modra <amodra@bigpond.net.au>
7103 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7104 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7105 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7106 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7107 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7108 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7109 (rs6000_override_options): Initialize rs6000_ieeequad.
7110 Initialize TFmode format to ibm_extended_format if not
7112 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7114 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7115 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7116 (function_arg_advance): IBM long double passed in two FPRs, not
7118 (function_arg): IBM long double passed in FPRs.
7119 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7120 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7121 Only multireg GPR aligned.
7122 (rs6000_init_libfuncs): Enable IBM long double functions if not
7124 (rs6000_generate_compare): Use IBM long double compare if not
7126 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7127 (TARGET_IEEEQUAD): Define.
7128 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7129 not TARGET_IEEEQUAD.
7130 * config/rs6000/rs6000.md: Enable TFmode patterns if
7132 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7133 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7134 and -mlong-double-128 are incompatible.
7135 * doc/invoke.texi (-mabi): Collect options together. Add
7136 ibmlongdouble and ieeelongdouble.
7138 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7140 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7142 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7143 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7144 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7145 * rtl.h (rtunion_def): Remove rt_ptr.
7147 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7148 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7149 * config/i386/winnt.c (i386_pe_mark_dllexport)
7150 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7152 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7154 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7156 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7160 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7161 pthread_key_delete. From John David Anglin. gthrw-ify
7162 pthread_getunique_np only if it it's not a macro. Delete
7164 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7165 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7166 __gthread_objc_condition_signal, __gthread_key_delete): Add
7167 "__attribute__ ((__unused__))" to unused arguments.
7168 (__gthread_recursive_mutex_init_function): Add missing return.
7169 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7170 gthr-posix95.h: Use macro-based approach for name redirection
7171 on targets missing weakref.
7173 2006-01-26 Zack Weinberg <zackw@panix.com>
7175 * genconditions.c (write_header): In generated code, #ifdef out
7176 all includes and fake declarations, except includes of bconfig.h
7177 and system.h, unless GCC_VERSION >= 3001. Do not include
7178 gensupport.h in any case.
7179 (write_conditions): Generate a definition of struct c_test. Add
7180 a comment to the generated #endif.
7181 (write_one_condition): Escape backslashes in string too.
7182 (write_writer): Generated code must escape backslashes and quote
7183 marks (but not newlines) in the strings it writes.
7184 * Makefile.in (build/gencondmd.o): Update dependencies.
7186 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7189 * Makefile.in (insn-automata.o): Add header file dependencies.
7190 * genautomata.c: Add includes.
7192 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7195 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7197 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7199 * configure.ac: Expect target tools paths to be passed from the toplevel
7200 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7202 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7204 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7207 * c.opt (Wpointer-sign): Init to -1.
7208 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7209 OPT_pedantic, to 0 otherwise.
7210 * doc/invoke.texi: Update.
7212 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7214 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7215 constants provided by 80387 instructions in the destination mode.
7217 2006-01-26 Richard Guenther <rguenther@suse.de>
7218 Andrew Pinski <pinskia@physics.uc.edu>
7221 partial PR tree-opt/17064
7222 * tree-ssa-structalias.c (intra_create_variable_infos):
7223 Create heap variables for incoming parameters if
7224 flag_argument_noalias > 1.
7225 (find_what_p_points_to): Look through default defs of
7228 2006-01-26 Jeff Law <law@redhat.com>
7231 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7232 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7233 within the VR_RANGE, use the VR_RANGE as the result, not the
7235 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7236 bounds for the type.
7238 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7240 * tree-ssa-alias.c (maybe_create_global_var): Change
7241 subvar walking to an assertion that we don't have subvar'd variables.
7243 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7246 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7247 Use a new variable, inner. PARM_DECLs are always non-weak.
7249 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7251 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7254 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7256 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7258 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7260 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7261 (smax_insn, smin_insn, smax_0, smin_0): New.
7263 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7266 * config/cris/cris.c (cris_order_for_addsi3): New function.
7267 * config/cris/cris-protos.h: Prototype it.
7268 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7269 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7270 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7271 (split for "op.S1 [rx=rx+i],ry (swapped)")
7272 (split for "op(s|u).S1 [rx=rx+i],ry")
7273 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7274 Apply cris_order_for_addsi3 when generating addsi3 insns.
7276 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7278 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7279 (TREE_BLOCK): Add call to EXPR_CHECK.
7281 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7284 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7285 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7286 (dump_omp_clauses): ... here.
7287 (dump_generic_node): Handle OMP_CLAUSE.
7288 * tree.c (omp_clause_num_ops): New.
7289 (omp_clause_code_name): New.
7290 (tree_code_size): Handle OMP_CLAUSE.
7291 (tree_size): Likewise.
7292 (make_node): Document handling of OMP_CLAUSE.
7293 (tree_node_structure): Handle OMP_CLAUSE.
7294 (omp_clause_check_failed): New.
7295 (omp_clause_range_check_failed): New.
7296 (omp_clause_operand_check_failed): New.
7297 (build_omp_clause): New.
7298 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7299 * tree.h (enum omp_clause_code): Declare.
7300 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7301 (OMP_CLAUSE_RANGE_CHECK): Define.
7302 (OMP_CLAUSE_ELT_CHECK): Define.
7303 (omp_clause_check_failed): Declare.
7304 (omp_clause_operand_check_failed): Declare.
7305 (omp_clause_range_check_failed): Declare.
7306 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7307 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7308 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7309 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7310 (OMP_CLAUSE_IF_EXPR): Likewise.
7311 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7312 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7313 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7314 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7315 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7316 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7317 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7318 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7319 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7320 (OMP_CLAUSE_CODE): Define.
7321 (OMP_CLAUSE_SET_CODE): Define.
7322 (OMP_CLAUSE_CODE): Define.
7323 (OMP_CLAUSE_OPERAND): Define.
7324 (struct tree_omp_clause): Declare.
7325 (union tree_node): Add field 'omp_clause'.
7326 * treestruct.def (TS_OMP_CLAUSE): Define.
7327 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7328 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7329 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7330 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7331 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7332 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7333 (OMP_CLAUSE): Define.
7334 * print-tree.c (print_node): Handle OMP_CLAUSE.
7335 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7336 * c-typeck.c: Likewise.
7337 * gimplify.c: Likewise.
7338 * c-omp.c: Likewise.
7339 * tree-nested.c: Likewise.
7340 * tree-inline.c: Likewise.
7341 * c-parser.c: Likewise.
7342 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7345 2006-01-25 Roger Sayle <roger@eyesopen.com>
7347 PR rtl-optimization/25703
7348 * combine.c (try_combine): Handle zero_extract and strict_low_part
7349 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7351 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7353 * global.c: Fix comment typos.
7355 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7358 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7359 Use output_addr_const instead of assemble_name.
7361 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7363 * Makefile.in (sched-vis.o): Update dependencies.
7364 * haifa-sched.c (sched_finish): Clear current_sched_info.
7365 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7366 (dump_flow_info): Call it.
7367 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7369 * basic-block.h (dump_bb_info): Declare.
7370 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7371 option, and apply options only for dump files whose TDF_RTL,
7372 TDF_TREE, or TDF_IPA bits match.
7373 * rtl.h: Declare new functions exported from sched-vis.c.
7374 * sched-vis.c: Enable also if scheduling is not used.
7375 (print_value): Print the mode of registers if not inside scheduling.
7376 (print_insn): Make it work outside the scheduler. Beautify the output
7378 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7380 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7382 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7383 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7384 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7385 depending on the value of CONSTANT_POOL_ADDRESS_P.
7386 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7388 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7389 rather than SYMBOL_REF_DECL.
7390 (rtx_constant_pool): Remove const_rtx_sym_htab.
7391 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7392 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7393 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7394 Remove handling of const_rtx_sym_htab.
7395 (find_pool_constant): Delete.
7396 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7397 rather than find_pool_constant.
7398 (get_pool_constant_for_function): Delete.
7399 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7401 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7402 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7403 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7404 (SYMBOL_REF_CONSTANT): New macro.
7405 (get_pool_constant_for_function): Delete.
7406 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7407 rather than SYMBOL_REF_DECL.
7408 (i386_pe_mark_dllimport): Likewise.
7409 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7410 rather than SYMBOL_REF_DECL.
7411 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7412 (machopic_indirect_call_target): Likewise.
7414 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7416 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7418 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7420 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7422 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7424 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7426 2006-01-24 David Daney <ddaney@avtrex.com>
7429 * configure.ac (enable_tls): New enable option.
7430 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7431 * configure: Regenerate.
7432 * doc/install.texi (--enable-tls): Document new option.
7433 (--disable-tls): Ditto.
7435 2006-01-24 Richard Henderson <rth@redehat.com>
7437 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7438 * alias.c (true_dependence): Respect it.
7439 (canon_true_dependence, write_dependence_p): Likewise.
7440 * builtins.c (get_builtin_sync_mem): Set it.
7442 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7444 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7447 2006-01-24 DJ Delorie <dj@redhat.com>
7449 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7450 for storing constants in single-bit bitfields.
7452 2006-01-25 Ben Elliston <bje@au.ibm.com>
7454 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7456 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7459 * tree-ssa-pre.c (phi_translate): Return NULL
7460 for AGGREGATE_TYPE's.
7462 2006-01-24 Zack Weinberg <zackw@panix.com>
7464 * genautomata.c (process_state_for_insn_equiv_partition):
7465 Use xcalloc for insn_arcs_array.
7466 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7467 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7469 2006-01-24 Richard Henderson <rth@redhat.com>
7471 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7474 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7476 PR rtl-optimization/25890
7477 PR rtl-optimization/25905
7478 * combine.c (expand_compound_operation, expand_field_assignment):
7479 Fail if the bitfield's final position is out of bounds.
7481 2006-01-24 Ian Lance Taylor <ian@airs.com>
7484 * cgraphunit.c (cgraph_output_in_order): Don't clear
7485 cgraph_asm_nodes until after asm strings have been output.
7487 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7489 * fix-header.c (read_scan_file): Add new parameter imultilib when
7490 calling register_include_chains.
7492 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7494 * omp-low.c: Update documentation.
7496 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7497 Daniel Berlin <dberlin@dberlin.org>
7501 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7502 return from the function.
7504 2006-01-22 Zack Weinberg <zackw@panix.com>
7506 * rtl.def (match_code): Add second argument.
7507 * genpreds.c (write_extract_subexp): New function.
7508 (write_match_code): Add path argument. Use write_extract_subexp.
7509 (write_predicate_expr): Pass path to write_match_code.
7510 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7511 not perform a mode test.
7512 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7513 a subexpression does not constrain the top-level code set.
7514 * read-rtl.c (read_rtx_variadic): New function.
7515 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7516 * doc/md.texi: Document new notation.
7517 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7518 (cmpsi_operand): ... here, using new notation.
7520 2006-01-22 Zack Weinberg <zackw@panix.com>
7522 * varray.c: Remove GENERATOR_FILE #ifdefs.
7524 2006-01-22 Zack Weinberg <zackw@panix.com>
7526 * genautomata.c (output_reserved_units_table): Emit nothing if
7527 description->query_units_num is zero. Remove extra blank line.
7528 (output_cpu_unit_reservation_p): Short circuit
7529 if description->query_units_num is zero.
7531 2006-01-22 Zack Weinberg <zackw@panix.com>
7533 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7534 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7535 nor any of the random handful of variables that used to be necessary
7536 when this program was linked with rtlanal.o. Prune set of forward
7537 function declarations.
7538 (struct attr_desc): Remove static_p field.
7539 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7540 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7541 (attr_string): Do not read the character one past the length of
7543 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7544 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7545 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7546 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7547 (make_automaton_attrs): New.
7548 (main): Do not call into genautomata. Call local gen_bypass
7549 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7550 Remove special case for insn_alts.
7551 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7552 varray.h (leftover from previous change). Prune set of forward
7553 function declarations. Remove state_alts fields from all
7554 structures. Remove state_alts_table from struct automaton.
7555 Make everything except main static. Do not maintain num_dfa_decls.
7556 Do not maintain state_alts fields of various structures.
7557 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7558 (add_arc): Remove state_alts argument. All callers updated.
7559 (output_reserved_units_table): Emit #ifdef here...
7560 (output_tables): ...not here. Don't generate state_alts tables.
7561 (expand_automata): Don't generate attributes.
7562 (write_automata): Don't generate state_alts functions.
7563 (main): New function.
7564 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7565 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7566 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7567 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7568 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7569 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7570 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7571 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7573 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7574 * genattrtab.h: Delete file.
7575 * Makefile.in (OBJS-common): Add insn-automata.o.
7576 (insn-automata.o): New rule.
7577 (simple_generated_c): Add insn-automata.c.
7578 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7579 (genprogmd): Add automata.
7580 (build/genattrtab): Needs no extra objects nor libraries.
7581 (build/genautomata): Needs build/vec.o and -lm.
7583 2006-01-22 Zack Weinberg <zackw@panix.com>
7585 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7586 (output_dfa_max_issue_rate, locked_states_num): Delete.
7587 (struct automaton): Add locked_states field.
7588 (output_dead_lock_vect): Save number of locked states in
7589 automaton->locked_states. If it is zero, don't print anything.
7590 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7591 (output_internal_dead_lock_func): Only test the dead_lock_vect
7592 for automata that have locked states.
7593 (output_statistics): Always print the number of locked states for
7594 each automaton. Calculate total number of locked states here.
7595 (write_automata): Don't call output_dfa_max_issue_rate.
7596 * genattrtab.c: Define length_unit_log as a const variable.
7597 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7598 max_insn_queue_index const.
7599 * final.c (length_unit_log): Declare const.
7600 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7602 2006-01-22 Zack Weinberg <zackw@panix.com>
7604 * genautomata.c: Include vec.h, not varray.h.
7605 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7606 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7607 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7608 VEC_* macros operating on appropriately typed vectors, or to
7609 malloced arrays when the size is known in advance. Const-ify
7610 many char* variables and function arguments. No functional changes.
7611 * Makefile.in (build/varray.o): Delete rule.
7612 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7613 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7615 2006-01-22 Zack Weinberg <zackw@panix.com>
7617 * gensupport.c: Define get_insn_name and record_insn_name here.
7618 (read_md_rtx): Call record_insn_name as appropriate.
7619 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7620 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7621 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7623 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7624 (BUILD_VARRAY): Delete.
7625 (genprognormal): Rename genprogmd. Fold in all programs from
7626 genprognoprint; also attrtab.
7627 (build/genattrtab): Just mention genautomata.o and varray.o.
7628 Reorganize a bit, add comments to make the categories clearer.
7630 2006-01-22 Zack Weinberg <zackw@panix.com>
7632 * genconditions.c (condition_table, add_condition): Delete.
7633 (write_conditions): Don't emit n_insn_conditions nor
7634 insn_elision_unavailable. Issue the gcc version #ifdef here,
7635 inside the table, with no #else clause ...
7636 (write_header): ...not here.
7637 (write_writer): New function.
7638 (main): Don't initialize condition_table. Use add_c_test.
7640 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7641 files on the command line.
7642 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7643 Return -1 if there is no entry in the table, don't abort.
7644 (add_c_test, traverse_c_tests): New functions.
7645 * gensupport.h (insn_elision_unavailable, insn_conditions)
7646 (n_insn_conditions): Delete declarations.
7647 (add_c_test, traverse_c_tests): Declare.
7648 * read-rtl.c: Include gensupport.h.
7649 (read_conditions): New function.
7650 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7651 (read_rtx_1): If we get EOF when we were looking for an initial
7652 open paren, return 0. Call read_conditions when appropriate.
7653 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7654 dummy-conditions.o. Eliminate references to insn-conditions.o,
7655 or change them to build/gencondmd.o, as appropriate. Remove
7656 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7657 from $(simple_generated_c). For all files remaining in those
7658 two lists, add insn-conditions.md to the generator command line.
7659 Give insn-constants.h/s-constants their own rules. Add rules
7660 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7661 (build/read-rtl.o): Depend on gensupport.h.
7662 (genprognormal): Include preds.
7663 (genprogearly): Rename genprognoprint; only difference is now that
7664 they don't link with $(BUILD_PRINT).
7665 * dummy-conditions.c: Delete.
7667 2006-01-22 Zack Weinberg <zackw@panix.com>
7669 * genextract.c: Don't include insn-config.h. Do include vec.h.
7670 Declare vectors of int, char, and locstr.
7671 (locstr): New typedef.
7672 (struct extraction): Make all array fields into bare pointers.
7673 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7674 (insn_code_number): Delete.
7675 (accum_extract): New struct.
7676 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7677 (gen_insn): Take insn_code_number as an argument. Use an
7678 accum_extract structure instead of loading data directly into
7679 a struct extraction, and having to know how big it might get.
7680 (walk_rtx): Operate entirely on an accum_extract structure.
7681 (print_path): Avoid unnecessary use of printf.
7682 (print_header): New function, split out of main. Distinguish
7683 more carefully between an unrecognizable insn and an insn that
7684 has the code number of a define_expand.
7685 (main): Pass insn_code_number to gen_insn. Call print_header
7686 only after parsing. Avoid unnecessary use of printf.
7687 * Makefile.in (build/vec.o): New rule.
7688 (build/genextract): Depend on build/vec.o.
7689 (build/genextract.o): Don't depend on insn-config.h.
7691 2006-01-22 Zack Weinberg <zackw@panix.com>
7693 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7694 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7695 practical. Eliminate per-generator-program link rules.
7697 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7700 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7701 with a call expr to ...
7702 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7704 2006-01-23 Richard Guenther <rguenther@suse.de>
7706 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7707 before make_edge with conditional EDGE_TRUE_VALUE.
7709 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7710 Jan Hubicka <jh@suse.cz>
7711 Richard Guenther <rguenther@suse.de>
7713 PR rtl-optimization/25654
7714 * cfgexpand.c (aggregate_contains_union_type): New function.
7715 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7716 for structure variables that contain a union type.
7718 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7720 * gengtype.c (new_structure): Return the structure.
7721 (create_option): Add an extra "next" argument.
7722 (create_field): New function.
7723 (adjust_field_rtx_def): Use create_option and create_field.
7724 Remove a now-unnecessary call to find_structure.
7725 (adjust_field_tree_def): Likewise.
7726 (note_yacc_type): Remove an unnecessary call to find_structure.
7727 * gengtype.h (new_structure): Return the structure.
7728 (create_option): Add an extra argument.
7729 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7730 (option): Adjust calls to create_option.
7732 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7734 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7736 2006-01-22 Paul Brook <paul@codesourcery.com>
7737 Peter Barada <peter@the-baradas.com>
7739 * config/m68k/m68k.md: Add Coldfire FPU support.
7740 Define FP mode macro and associated attributes.
7741 Use it for float mode patterns.
7742 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7743 (LIBCALL_VALUE): Use m68k_libcall_value.
7744 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7745 (m68k_function_value): Ditto.
7746 (emit_move_sequence): Ditto.
7747 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7748 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7749 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7750 (MULTILIB_EXCEPTIONS): Ditto.
7751 * config/m68k/m68k.opt: Add mcfv4e.
7752 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7753 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7754 (m68k_output_function_prologue): Save ColdFire FPU registers.
7755 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7756 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7757 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7758 ColdFire FPU registers.
7759 (m68k_libcall_value, m68k_function_value): New functions.
7760 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7761 (LIBCALL_VALUE): Use m68k_libcall_value.
7762 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7763 (MASK_COLDFIRE): Add MASK_CFV4E.
7764 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7765 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7766 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7767 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7768 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7769 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7770 * doc/invoke.tex: Document -mcfv4e on m68k.
7772 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7774 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7777 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7780 * c-opts.c (c_common_handle_option): Don't include
7781 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7782 * doc/invoke.texi (C++ Dialect Options): Document that
7783 -Wnon-virtual-dtor is no longer included in -Wall.
7785 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7787 * gcov.c (print_version), gcov-dump.c (print_version),
7788 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7791 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7793 * df-scan.c (problem_SCAN): Added NULL reset function.
7794 (df_scan_reset_blocks): Added code to call reset block function
7795 (df_bb_refs_delete) Fixed comment.
7796 (df_insn_refs_delete): Made tolerant of deleting non existent info
7797 for dataflow problems that need to be reset.
7798 * df-core.c (df_set_blocks): Ditto.
7799 * df.h (struct df_problem): Added reset_fun.
7800 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7801 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7802 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7803 functions to clear out all references to def-use or use-def chains.
7805 2006-01-21 Ben Elliston <bje@au.ibm.com>
7807 * varasm.c (assemble_real): Initialise data array.
7809 2006-01-20 Paul Brook <paul@codesourcery.com>
7811 Merge from csl-arm-branch.
7812 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7813 * config/arm/arm.md (movdi): Force operands[1] to a register
7814 if we have a non-register source.
7815 (*arm_movdi, *movdf_soft_insn): Require that one of the
7816 operands be a register.
7817 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7818 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7820 2006-01-20 DJ Delorie <dj@redhat.com>
7822 * varasm.c (initialize_constant_valid_p): Allow pointers
7823 initialized from integer constants of lesser precision.
7824 (output_constant): Allow non-int-sized pointer modes to be
7825 initialized from integer constants.
7827 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7830 * cppdefault.h (struct default_include): Add multilib flag.
7831 * cppdefault.c (cpp_include_defaults): Set it.
7832 * c.opt (-imultilib): New option.
7833 * c-opts.c (imultilib): New.
7834 (c_common_handle_option): Handle -imultilib.
7835 (c_common_post_options): Likewise.
7836 * c-incpath.c (add_standard_paths, register_include_chains):
7838 * c-incpath.h (register_include_chains): Add extra parameter.
7839 * gcc.c (do_spec_1): Generate -imultilib option.
7840 (The Specs Language): Update %I description.
7841 (process_command): Update copyright notice.
7842 * doc/cppopts.texi (-imultilib): Document.
7843 * doc/invoke.texi (-imultilib): Include in option summary.
7844 (%I): Update specs documentation.
7846 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7848 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7850 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7852 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7855 2006-01-20 Richard Guenther <rguenther@suse.de>
7856 Steven Bosscher <stevenb.gcc@gmail.com>
7858 PR rtl-optimization/24626
7859 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7860 EDGE_TRUE_VALUE if in RTL mode.
7863 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7864 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7866 2006-01-20 Dirk Mueller <dmueller@suse.com>
7869 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7870 instead of a special NOP marker.
7871 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7872 NOP marker handling.
7873 * c-common.h (empty_body_warning): Add forward declaration.
7874 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7875 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7877 2006-01-20 Paul Brook <paul@codesourcery.com>
7879 * Makefile.in (lang_checks): Keep going if mkdir fails.
7881 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7883 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7884 be able to clean out basic block when not necessary.
7885 (df_scan_free): Fixed to properly delete information if df is
7886 unused before calling df_finish.
7887 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7888 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7890 (df_bb_refs_delete): New function.
7891 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7892 * df-core.c (df_set_blocks): Added code to properly clean out
7893 unused blocks if they are not part of the blocks to consider.
7894 Added additional null check.
7895 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7896 be able to clean out basic block when not necessary
7897 * df.h (df_free_bb_function): Ditto.
7898 (df_bb_refs_delete): New function.
7899 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7900 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7901 basic block parameter to be able to clean out basic block when not
7903 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7904 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7905 Fixed to properly delete information if df is unused before
7908 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7910 PR rtl-optimization/25799
7911 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7912 Corrected confluence operator to remove bits from op2 before oring
7913 with op1 rather than removing bits from op1.
7914 (df_ru_transfer_function): Corrected test on wrong bitmap which
7915 caused infinite loop. Both of these problems were introduced in
7916 the dataflow rewrite.
7918 2006-01-19 DJ Delorie <dj@redhat.com>
7920 * reload1.c (find_reload_regs): Note the details of reload
7921 failures in the dump file.
7922 (spill_failure): Likewise.
7924 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7926 * loop-iv.c: Include df.h and hashtab.h.
7927 (enum iv_grd_result): New enum.
7928 (DF_REF_IV, DF_REF_IV_SET): New macros.
7929 (struct biv_entry): New.
7930 (df, bivs): New global variables.
7931 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7932 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7934 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7935 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7936 analyzed_for_bivness_p, record_biv): New functions.
7937 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7938 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7939 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7941 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7943 (iv_number_of_iterations): Use new interface to iv analysis.
7944 * loop-unroll.c: Do not include varray.h.
7945 (analyze_iv_to_split_insn): Use new interface to iv
7947 * loop-unswitch.c (may_unswitch_on): Ditto.
7948 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7950 (df_bb_modify): Realloc tables to the new index.
7951 (df_find_use): New function.
7952 * df.h (df_find_use): Declare.
7953 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7955 * cfgloop.h (struct rtx_iv): Remove analysed field.
7956 (iv_get_reaching_def): Removed.
7957 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7958 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7959 (loop-iv.o): Add df.h and hashtab.h dependency.
7960 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7962 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7965 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7967 (__floatundisf, __floatundidf): Likewise.
7968 * libgcc2.h (IS_IBM_EXTENDED): Define.
7970 2006-01-19 DJ Delorie <dj@redhat.com>
7972 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7974 2006-01-19 Paul Brook <paul@codesourcery.com>
7976 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7977 as nothrow when unwinding tables are disabled.
7979 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7982 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7983 of bit-field" when in system header.
7985 2006-01-19 DJ Delorie <dj@redhat.com>
7987 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7988 the 16 bit shift limit of the m16c.
7990 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7993 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7994 * config/i386/i386.c (output_set_got): Output the label if we have one
7995 for the TARGET_DEEP_BRANCH_PREDICTION case.
7997 2006-01-19 Jan Hubicka <jh@suse.cz>
7998 H.J. Lu <hongjiu.lu@intel.com>
7999 Evandro Menezes <evandro.menezes@amd.com>
8001 * invoke.texi (generic): Document
8003 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8004 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8005 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8006 (x86_use_incdec, x86_pad_returns): New variables
8007 (TARGET_CPU_DEFAULT_generic): New constant
8008 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8009 (enum processor_type): Add generic32 and generic64.
8010 * i386.md (cpu attribute): Add generic32/generic64
8011 (movhi splitter): Behave sanely when both partial_reg_dependency and
8012 partial_reg_stall are set.
8013 (K8 splitters): Enable for generic as well.
8014 * predicates.md (incdec_operand): Use TARGET_INCDEC
8015 (aligned_operand): Avoid memory mismatch stalls.
8016 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8017 * ppro.md: Enable for generic32
8018 * i386.c (generic64_cost, generic32_cost): New.
8019 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8020 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8021 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8022 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8023 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8024 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8025 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8026 x86_accumulate_outgoing_args, x86_prologue_using_move,
8027 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8028 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8030 (x86_use_incdec, x86_pad_returns): New.
8031 (override_options): Add generic32 and generic64, translate "generic"
8032 to generic32/generic64 and "i686" to "generic32", refuse
8033 "generic32"/"generic64" as arch target.
8034 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8035 (ix86_reorg): Honor PAD_RETURNS.
8037 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8039 * tree-pretty-print.c (dump_generic_node): Handle
8040 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8041 * cgraph.c (cgraph_expand_queue): Rename from
8042 cgraph_analyze_queue. Update all users.
8043 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8044 cgraph_expand_queue.
8045 (cgraph_expand_all_functions): Likewise.
8046 (cgraph_finalize_pending_functions): Remove. Update callers.
8048 * tree.h (OMP_DIRECTIVE_P): Define.
8049 (OMP_PARALLEL_FN): Define.
8050 (OMP_PARALLEL_DATA_ARG): Define.
8051 (OMP_SECTIONS_SECTIONS): Define.
8052 * tree-pass.h (pass_expand_omp): Declare.
8053 * omp-low.c (struct omp_region): Declare.
8054 (struct omp_context): Remove fields 'parallel_type',
8055 'parallel_start_ix' and 'parallel_start_additional_args'.
8057 (struct omp_for_data): Rename from struct expand_omp_for_data.
8058 (omp_regions): New static variable.
8059 (root_omp_region): New static variable.
8060 (find_omp_clause): Make static.
8061 (is_in_combined_parallel_ctx): Remove.
8062 (is_combined_parallel): New.
8063 (extract_omp_for_data): Move earlier in the file.
8064 (workshare_safe_to_combine_p): New.
8065 (get_ws_args_for): New.
8066 (determine_parallel_type): Move earlier in the file.
8067 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8069 (omp_copy_decl): Likewise.
8070 (create_omp_child_function): Likewise.
8071 (lookup_omp_region): New.
8072 (dump_omp_region): New.
8073 (debug_omp_region): New.
8074 (debug_all_omp_regions): New.
8075 (new_omp_region): New.
8076 (scan_omp_parallel): If parallel_nesting_level > 1, the
8077 directive is nested within another parallel directive.
8078 Set OMP_PARALLEL_FN.
8079 (scan_omp_for): Do not try to handle combined parallel+for
8081 Remove FIXME comment.
8082 (scan_omp_nested): Remove.
8083 (scan_omp_1): Do not call scan_omp_nested when
8084 parallel_nesting_level is > 1.
8085 Do not change the DECL_CONTEXT of local variables found.
8086 (lookup_decl_in_outer_ctx): New.
8087 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8088 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8089 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8090 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8091 If CTX is nested, lookup VAR in the outer context when
8092 building copy assignment.
8093 (lower_send_clauses): Rename from expand_send_clauses.
8094 If CTX is nested, lookup VAR in the outer context when
8095 building copy assignments.
8096 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8097 If CTX is nested, lookup VAR in the outer context when
8098 building copy assignments.
8099 (expand_parallel_call): Rename from build_parallel_call.
8100 Handle combined parallel+workshare cases.
8101 Re-implement to emit code into the CFG.
8103 (expand_omp_parallel): Re-implement to emit code into the CFG.
8104 Call move_sese_region_to_fn to outline the sub-graph
8105 containing the parallel region.
8106 (expand_omp_for_1): Remove.
8107 (expand_omp_for_generic): Re-implement to emit code into the
8109 (expand_omp_for_static_nochunk): Likewise.
8110 (expand_omp_for_static_chunk): Likewise.
8111 (expand_omp_for): Likewise.
8112 (expand_omp_sections): Likewise.
8113 (remove_exit_barriers): New.
8114 (expand_omp_synch): New.
8116 (build_omp_regions_1): New.
8117 (build_omp_regions): New.
8118 (execute_expand_omp): New.
8119 (gate_expand_omp): New.
8120 (pass_expand_omp): Define.
8121 (lower_omp_sections): Rename from expand_omp_sections.
8122 Set OMP_SECTIONS_SECTIONS.
8123 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8124 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8125 (lower_omp_single): Rename from expand_omp_simple.
8126 (lower_omp_master): Rename from expand_omp_master.
8127 (lower_omp_ordered): Rename from expand_omp_ordered.
8128 (lower_omp_critical): Rename from expand_omp_critical.
8129 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8130 (lower_omp_for): Re-implement.
8131 (lower_omp_parallel): Re-implement.
8132 (lower_regimplify): Rename from expand_regimplify.
8133 (lower_omp_1): Rename from expand_omp_1.
8134 If there are syntax errors in the program, replace every
8135 OpenMP directive with NOP.
8136 Call lower_omp_* instead of expand_omp_*.
8137 (lower_omp): Rename from expand_omp.
8139 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8140 * tree-gimple.h (enum omp_parallel_type): Remove.
8141 (gimple_boolify): Declare extern.
8142 (find_omp_clause, determine_parallel_type): Remove.
8144 * gimple-low.c (lower_omp_directive): New.
8145 (lower_stmt): Call it.
8146 (record_vars_into): Move from ...
8147 (record_vars): ... here.
8148 Call record_vars_into with current_function_decl.
8150 * gimplify.c (struct gimplify_ctx): Remove fields
8151 combined_pre_p and combined_ctxp. Update users.
8152 (get_formal_tmp_var): Add documentation.
8153 (gimple_boolify): Make extern.
8154 (gimplify_expr_in_ctx): Remove. Update callers.
8155 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8156 will always be a BIND_EXPR.
8157 (gimplify_expr): Handle OMP_RETURN_EXPR.
8158 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8159 (OMP_PARALLEL): Add 3 operands.
8160 (OMP_SECTIONS): Add 1 operand.
8161 (OMP_RETURN_EXPR): Define.
8163 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8164 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8165 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8166 creating a circular free list.
8167 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8169 * tree-flow.h (move_sese_region_to_fn): Declare.
8170 (record_vars_into): Declare.
8171 * tree-cfg.c (make_omp_sections_edges): New.
8172 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8173 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8174 OMP_SECTIONS and OMP_SECTION.
8175 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8176 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8177 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8178 (gather_blocks_in_sese_region): New.
8179 (struct move_stmt_d): Declare.
8181 (move_block_to_fn): New.
8182 (move_sese_region_to_fn): New.
8184 * passes.c (init_optimization_passes): Schedule
8185 pass_expand_omp after pass_init_datastructures.
8187 * tree-ssa-operands.c (get_expr_operands): Handle
8188 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8189 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8191 2006-01-19 Jeff Law <law@redhat.com>
8193 * tree-vrp.c (extract_range_from_assert): Refine the result range
8194 if the variable referenced by the ASSERT_EXPR has a range and
8195 either the tentative result range or the previous range is a
8198 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8200 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8202 2006-01-19 Jan Hubicka <jh@suse.cz>
8204 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8206 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8208 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8209 (expand_compound_operation, expand_field_assignment): Fail if the
8210 bit lengths of an extract operation are out of range.
8211 (make_extraction): Compute wanted_inner_mode based on the position
8212 and length of the extraction. Make it extraction_mode for non-constant
8213 positions, and do not modify offset in that case. When generating a
8214 new MEM, use a mode that can hold the extraction while keeping correct
8215 alignment. Remove code that supported MEMs wrapped by USEs.
8216 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8218 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8220 * config/s390/s390.md ("Y", "y"): New mode attribute.
8221 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8222 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8223 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8224 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8225 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8226 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8227 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8228 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8229 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8230 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8231 "addsi3", "subsi3"): Insn patterns removed.
8232 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8233 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8234 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8235 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8236 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8237 "*sub<mode>3_cconly2"): New insn patterns.
8238 ("addsi3", "subsi3"): New expanders.
8240 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8242 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8243 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8244 existing STMT_VINFO_VECTYPE if available.
8245 (vect_mark_relevant): Add special handling for stmts that are
8246 marked as STMT_VINFO_IN_PATTERN_P.
8247 (vect_analyze_loop): Call vect_pattern_recog.
8248 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8249 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8251 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8252 (vect_recog_func_ptr): New function-pointer type.
8253 * tree-vect-patterns.c: New file.
8254 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8255 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8256 (vect_pattern_recog_1): New functions.
8257 (vect_pattern_recog_funcs): New array of function pointers.
8259 * tree-vectorizer.h (ternary_op): New enum value.
8260 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8261 declaration. Revised documentation. Removed redundant dump prints.
8262 Removed redundant argument. Added support for reduction patterns.
8263 (vectorizable_reduction): Added support for reduction patterns.
8264 (vect_transform_stmt): Added support for patterns.
8266 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8267 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8268 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8269 (expand_widen_pattern_expr): New function.
8270 (init_optabs): Initialize new optabs udot_prod_optab,
8272 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8273 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8274 (expand_widen_pattern_expr): New function declaration.
8275 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8277 * tree-inline.c (estimate_num_insns_1): Added cases for new
8278 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8279 * tree-pretty-print.c (dump_generic_node): Likewise.
8280 (op_prio): Likewise.
8281 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8282 * tree-ssa-operands.c (get_expr_operands): Added case for
8284 * tree-vect-patterns.c (widened_name_p): New function.
8285 (vect_recog_dot_prod_pattern): Added function implementation.
8286 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8287 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8288 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8289 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8291 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8292 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8293 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8294 (init_optabs): Initialize new optabs widen_ssum_optab,
8296 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8297 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8298 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8299 use instead of type of def.
8300 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8301 function implementation.
8302 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8303 widen_ssumv8hi): New.
8305 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8308 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8311 * c-decl.c (add_flexible_array_elts_to_size): New function.
8312 (finish_decl): Use it.
8314 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8316 * diagnostic.h: Include options.h.
8317 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8318 dependancies for diagnostic.h.
8319 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8321 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8323 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8324 (ssa_ro_call_cache_valid): Ditto.
8325 * tree-ssa-alias.c (sort_tags_by_id): New function.
8326 (init_transitive_clobber_worklist): Ditto.
8327 (add_to_worklist): Ditto.
8328 (mark_aliases_call_clobbered): Ditto.
8329 (compute_tag_properties): Ditto.
8330 (set_initial_properties): Ditto.
8331 (compute_call_clobbered): Ditto.
8332 (compute_may_aliases): Call compute_call_clobbered and grouping.
8333 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8334 (compute_flow_insensitive_aliasing): Grouping now happens in our
8336 (setup_pointers_and_addressables): Remove clobbering related code.
8337 (add_may_alias): Ditto.
8338 (replace_may_alias): Ditto.
8339 (get_nmt_for): Ditto.
8340 (create_global_var):
8341 (is_escape_site): Return an escape_type enumeration.
8342 * tree-flow-inline.h (is_call_clobbered): Global var does not
8343 imply call clobbered.
8344 (mark_call_clobbered): Take a reason for marking this. Remove
8345 marking of globalness, and cache invalidation.
8346 (clear_call_clobbered): Remove cache invalidation code.
8347 * tree-dfa.c (dump_variable): If details is on, dump the reason
8349 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8351 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8352 (struct var_ann_d): Ditto.
8353 (enum escape_type): New.
8354 (mark_call_clobbered): Adjust prototype.
8355 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8356 are never call clobbered.
8357 Record reasons for escaping.
8358 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8359 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8360 (ssa_ro_call_cache_valid): Ditto.
8361 (clobbered_v_may_defs): Ditto.
8362 (clobbered_vuses): Ditto.
8363 (ro_call_vuses): Ditto.
8364 (clobber_stats): New.
8365 (init_ssa_operands): Zero out clobber stats.
8366 (fini_ssa_operands): Print out clobber stats.
8367 (get_call_expr_operands): Pass callee fndecl to
8369 (add_call_clobber_ops): Remove use of cache.
8370 Add use of PURE_CONST information.
8371 (add_call_read_ops): Remove use of cache.
8372 Add use of static not_read information.
8374 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8376 Introduce TLS descriptors for i386 and x86_64.
8377 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8378 (TARGET_ANY_GNU_TLS): New macro.
8379 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8380 (struct machine_function): Add tls_descriptor_call_expanded_p.
8381 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8382 (ix86_current_function_calls_tls_descriptor): Likewise.
8383 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8384 (override_options): Introduce gnu2 tls dialect.
8385 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8387 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8389 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8390 (ix86_init_machine_status): Initialize new field.
8391 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8392 (ix86_tls_module_base): New.
8393 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8394 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8395 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8396 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8397 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8398 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8399 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8400 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8401 * config/i386/predicates.md (tls_modbase_operand): New.
8402 (tp_or_register_operand): New.
8404 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8406 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8407 (look_for_address_of): Ditto.
8408 (ipa_init): Walk the function decls.
8409 (static_execute): Don't set readonly on FUNCTION_DECL's.
8411 2006-01-18 Roger Sayle <roger@eyesopen.com>
8413 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8414 for shifts where the source and destination registers are different.
8416 2006-01-18 Paul Brook <paul@codesourcery.com>
8418 Merge from csl-arm-branch.
8419 2005-03-14 Julian Brown <julian@codesourcery.com>
8420 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8421 (aeabi_llsl): Likewise.
8422 (ashrdi3): Likewise.
8423 (aeabi_lasr): Likewise.
8424 (lshrdi3): Likewise.
8425 (aeabi_llsr): Likewise.
8426 2005-03-10 Julian Brown <julian@codesourcery.com>
8427 * config.gcc: Disable shared libgcc for SymbianOS.
8428 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8430 2006-01-18 DJ Delorie <dj@redhat.com>
8432 * c-pragma.c (handle_pragma_diagnostic): New.
8433 (init_pragma): Register it.
8434 * doc/extend.texi: Document it.
8436 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8437 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8438 (diagnostic_context): Add classify_diagnostic[].
8439 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8440 as errors if they're overridden to DK_WARNING.
8441 (diagnostic_initialize): Initialize classify_diagnostic[].
8442 (diagnostic_set_kind_override): New.
8443 (diagnostic_report_diagnostic): Check for kind changes.
8444 * opts.c (common_handle_option): Take lang_mask. Update callers.
8446 * common.opt (Werror=): New.
8447 * doc/invoke.texi: Document -Werror=*
8449 2006-01-18 Jeff Law <law@redhat.com>
8451 * tree-vrp.c (test_for_singularity): Correct test for new
8452 min limit. Use operand_equal_p rather than pointer equality
8453 for testing if new min/max values are equal.
8455 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8456 using range information until after propagation and folding.
8458 2006-01-18 Richard Henderson <rth@redhat.com>
8459 Aldy Hernandez <aldyh@redhat.com>
8460 Jakub Jelinek <jakub@redhat.com>
8461 Diego Novillo <dnovillo@redhat.com>
8463 * omp-low.c: New file.
8464 * c-omp.c: New file.
8466 2006-01-18 Richard Henderson <rth@redhat.com>
8467 Jakub Jelinek <jakub@redhat.com>
8468 Diego Novillo <dnovillo@redhat.com>
8470 * doc/invoke.texi: Document -fopenmp.
8471 * tree-dump.h (debug_function): Declare.
8472 * hooks.c (hook_bool_tree_bool_false): New function.
8473 (hook_tree_tree_null): Remove.
8474 (hook_tree_tree_tree_null): New.
8475 * hooks.h: Update to match.
8476 * tree-pretty-print.c (debug_tree_chain): New.
8477 (print_generic_expr): Handle TDF_CHAIN.
8478 (dump_generic_node): Handle BLOCK.
8479 Do not abort with incomplete SWITCH_EXPRs.
8480 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8481 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8482 print space after directive name.
8483 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8484 Handle OMP_MASTER and OMP_ORDERED.
8485 Handle printing of OMP_BODY just in one place, goto
8486 dump_omp_body in the rest of OMP_* nodes that have
8488 Don't handle clause nodes here. Update omp statements to
8489 use dump_omp_clauses.
8490 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8491 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8492 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8493 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8494 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8495 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8496 Adjust output for GOMP_PARALLEL.
8497 (dump_omp_clauses): New.
8498 (print_declaration): Dump DECL_VALUE_EXPR.
8499 (op_symbol_1): Split out of op_symbol.
8500 (dumping_stmts): Remove. Update all users.
8501 * cgraph.c (cgraph_analyze_queue): New.
8502 (cgraph_add_new_function): New.
8503 * cgraph.h (cgraph_analyze_queue): Declare.
8504 (cgraph_add_new_function): Declare.
8505 (cgraph_lower_function): Remove.
8506 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8507 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8508 and TYPE_P nodes in its default clause.
8509 (empty_body_p): New.
8510 (tree_range_check_failed): New.
8512 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8513 OMP_CLAUSE_REDUCTION_MERGE,
8514 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8515 OMP_CLAUSE_PRIVATE_DEBUG,
8516 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8517 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8518 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8519 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8520 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8521 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8522 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8523 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8524 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8525 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8526 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8527 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8528 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8529 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8530 (TREE_RANGE_CHECK): New.
8531 (empty_body_p): Declare.
8532 (enum omp_clause_default_kind): New.
8533 (build_string_literal): Declare.
8534 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8535 (build5_stat, build5): Declare.
8536 * tree-pass.h (TDF_CHAIN): Define.
8537 * tree-pass.h (PROP_gimple_lomp): Define.
8538 (pass_lower_omp): Declare.
8539 * diagnostic.h (debug_tree_chain): Declare.
8540 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8542 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8543 * builtins.c (build_string_literal): Make extern.
8544 * gcc.c (include_spec_function): New.
8545 (static_spec_functions): Add it.
8546 (main): Move load of libgomp.spec ...
8547 (LINK_COMMAND_SPEC): ... here.
8548 (link_gomp_spec): New.
8549 (static_specs): Include it.
8550 (LINK_COMMAND_SPEC): Add link_gomp.
8551 (GOMP_SELF_SPECS): New.
8552 (driver_self_specs): Include it.
8553 (switch_matches): Don't mark inline.
8554 (main): Load libgomp.spec.
8555 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8556 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8557 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8558 * tree-gimple.h (enum omp_parallel): Declare.
8559 (determine_parallel_type): Declare.
8560 (omp_firstprivatize_variable): Declare.
8561 (omp_reduction_init): Declare.
8562 (diagnose_omp_structured_block_errors): Declare.
8563 (struct walk_stmt_info): Add want_return_expr.
8564 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8565 (find_omp_clause): Declare.
8566 (insert_field_into_struct): Declare.
8567 (struct walk_stmt_info): Move from tree-nested.c
8568 (walk_stmts): Declare.
8569 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8571 * cgraphunit.c (cgraph_lower_function): Make static.
8572 (cgraph_finalize_pending_functions): New.
8573 (cgraph_finalize_function): Call it.
8574 (cgraph_finalize_compilation_unit): Likewise.
8575 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8576 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8577 (BT_FN_UINT_UINT): New.
8578 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8579 DEF_FUNCTION_TYPE_VAR_4): Document.
8580 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8581 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8582 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8583 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8584 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8585 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8586 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8587 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8588 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8589 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8590 into separate files.
8591 (DEF_GOMP_BUILTIN): New.
8592 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8593 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8594 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8595 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8596 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8597 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8598 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8599 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8600 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8601 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8602 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8603 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8604 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8605 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8606 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8607 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8608 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8609 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8610 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8611 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8612 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8613 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8614 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8615 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8616 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8617 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8618 * sync-builtins.def: New file, moved from builtins.def.
8619 * omp-builtins.def: New file, moved from builtins.def.
8620 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8621 * gimple-low.c (lower_function_body): Clear data.
8622 (lower_stmt): Do not handle COMPOUND_EXPR.
8623 Remove call to print_node_brief.
8624 * c-tree.h (c_finish_omp_clauses): New prototype.
8625 (C_DECL_THREADPRIVATE_P): Define.
8626 (lookup_name_no_remap, c_omp_remap_private): Remove
8627 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8628 (check_for_loop_decls): Update decl.
8629 (lookup_name_no_remap, c_omp_remap_private): Declare.
8630 (build_indirect_ref, build_modify_expr, pushdecl,
8631 pushdecl_top_level): Move to c-common.h.
8632 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8633 before the switch, but just in the 2 places that need it.
8634 * c-decl.c (diagnose_mismatched_decls): Do not check for
8635 mismatched thread-local attributes when OLDDECL is marked
8636 threadprivate and NEWDECL has no thread-local attributes.
8637 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8638 (c_gimple_diagnostics_recursively): Rename from
8639 c_warn_unused_result_recursively. Invoke
8640 diagnose_omp_structured_block_errors.
8641 (check_for_loop_decls): Return a singular decl found.
8642 * langhooks.c (lhd_omp_predetermined_sharing): Return
8643 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8644 (lhd_omp_firstprivatize_type_sizes): New.
8645 (lhd_omp_assignment): New.
8646 (lhd_omp_predetermined_sharing): New.
8647 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8648 (struct lang_hooks_for_types): Add
8649 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8650 omp_predetermined_sharing, omp_disregard_value_expr,
8651 omp_private_debug_clause, omp_clause_default_ctor,
8652 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8653 (c_finish_omp_clauses): New.
8654 (c_finish_bc_stmt): Diagnose break within omp for.
8655 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8656 (build_unary_op): Return error_mark after reporting
8658 (build_modify_expr): Likewise.
8659 * gimplify.c: Include optabs.h and pointer-set.h.
8660 (enum gimplify_omp_var_data): Declare.
8661 (struct gimplify_omp_ctx): Declare.
8662 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8664 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8665 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8666 (splay_tree_compare_decl_uid): New.
8667 (new_omp_context): New.
8668 (delete_omp_context): New.
8669 (gimple_add_tmp_var): Call omp_add_variable.
8670 (gimplify_bind_expr): Likewise.
8671 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8672 true, disregard DECL_VALUE_EXPR on the decl if any.
8673 (gimplify_expr_in_ctx): New.
8674 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8675 omp_add_variable, omp_notice_variable, omp_is_private
8676 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8677 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8678 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8679 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8680 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8681 gimplify_omp_atomic): New.
8682 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8683 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8684 OMP_CRITICAL and OMP_ATOMIC.
8685 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8686 * c-pragma.h (enum pragma_kind): Add
8687 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8688 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8689 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8690 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8691 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8692 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8693 PRAGMA_OMP_THREADPRIVATE.
8694 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8695 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8696 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8697 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8698 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8699 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8700 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8701 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8702 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8703 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8704 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8705 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8706 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8708 (struct nesting_info): Add field_map,
8709 suppress_expansion, debug_var_chain.
8710 (create_nesting_tree): Initialize them.
8711 (lookup_field_for_decl): Use field_map.
8712 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8713 (convert_local_omp_clauses): New.
8714 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8715 (walk_body): Split out of walk_function.
8716 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8717 (convert_nonlocal_reference): Handle omp statements.
8718 (convert_local_reference): Likewise.
8719 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8720 (unnest_nesting_tree): New.
8721 (lower_nested_functions): Call it.
8722 (insert_field_into_struct): Make extern.
8723 (struct walk_stmt_info): Move to tree-gimple.h.
8724 (walk_stmts): Make extern.
8725 * omp-builtins.def: New file.
8726 * tree-iterator.c (expr_only): Clarify comment.
8727 * c-common.h (pushdecl_top_level, pushdecl,
8728 build_modify_expr, build_indirect_ref,
8729 c_finish_omp_master, c_finish_omp_critical,
8730 c_finish_omp_ordered, c_finish_omp_barrier,
8731 c_finish_omp_atomic, c_finish_omp_flush,
8732 c_finish_omp_for, c_split_parallel_clauses,
8733 omp_clause_default_kind, c_omp_sharing_predetermined,
8734 c_omp_remap_decl): Declare.
8735 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8736 (OBJS-common): Add omp-low.o.
8737 (c-omp.o, omp-low.o): Add.
8738 (gimplify.o): Add dependency on $(OPTABS_H).
8739 (GTFILES): Add omp-low.c.
8740 (gt-stringpool.h): Add.
8741 * tree-cfg.c (set_bb_for_stmt): Do not update the
8742 block-to-labels map if we are currently expanding to RTL.
8743 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8745 Handle IDENTIFIER_NODE.
8746 (tree_verify_flow_info): Do not ICE when emitting error
8747 messages about invalid labels.
8748 (dump_function_to_file): Reset CFUN before emitting the body
8750 (debug_function): New.
8751 * passes.c (init_optimization_passes): Schedule
8753 * langhooks-def.h (lhd_omp_predetermined_sharing,
8754 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8756 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8757 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8758 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8759 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8760 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8761 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8762 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8763 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8764 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8765 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8766 (LANG_HOOK_DECLS): Use them.
8768 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8769 Richard Henderson <rth@redhat.com>
8770 Jakub Jelinek <jakub@redhat.com>
8771 Diego Novillo <dnovillo@redhat.com>
8773 * c-parser.c (pragma_omp_clause): Define.
8774 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8775 (c_parser_compound_statement): Likewise.
8776 (c_parser_statement): Likewise.
8777 (c_parser_pragma): Handle omp pragmas.
8778 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8779 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8780 (c_parser_omp_clause_name, check_no_duplicate_clause,
8781 c_parser_omp_variable_list,
8782 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8783 c_parser_omp_clause_copyprivate,
8784 c_parser_omp_clause_default,
8785 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8786 c_parser_omp_clause_lastprivate,
8787 c_parser_omp_clause_nowait,
8788 c_parser_omp_clause_num_threads,
8789 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8790 c_parser_omp_clause_reduction,
8791 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8792 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8793 c_parser_omp_atomic, c_parser_omp_barrier,
8794 c_parser_omp_critical, c_parser_omp_flush,
8795 c_parser_omp_for_loop, c_parser_omp_for,
8796 c_parser_omp_master, c_parser_omp_ordered,
8797 c_parser_omp_sections_scope, c_parser_omp_sections,
8798 c_parser_omp_parallel, c_parser_omp_single,
8799 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8800 * c-pragma.c (init_pragma): Do omp pragma registration here.
8801 * c.opt (fopenmp): New flag.
8803 2006-01-18 Eric Christopher <echristo@apple.com>
8805 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8806 * config/darwin.h (GOMP_SELF_SPECS): Define.
8808 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8810 * rtl.h: Remove the prototype for reg_alloc.
8812 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8815 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8816 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8817 sjlj and dwarf2 exception handling.
8818 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8819 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8820 * pa/pa.c (function_value): Treat complex and vector types as
8822 (function_arg): Likewise. Only pass scalar floats in the floating
8823 point argument registers.
8824 * pa/t-slibgcc-dwarf-ver: New file.
8825 * pa/t-slibgcc-sjlj-ver: New file.
8826 * pa/t-slibgcc-elf-ver: Delete file.
8828 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8830 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8831 unlikely_test_section_p test.
8833 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8835 * mode-switching.c (optimize_mode_switching): Make it static.
8836 * basic-block.h: Remove the prototype for
8837 optimize_mode_switching.
8839 * modulo-sched.c (sms_schedule): Make it static.
8840 * rtl.h: Remove the prototype for sms_schedule.
8842 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8843 * rtl.h: Remove the prototype for gcse_after_reload_main.
8845 * reg-stack.c (reg_to_stack): Make it static.
8846 * rtl.h: Remove the prototype for reg_to_stack.
8848 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8850 * rtl.h: Remove the prototypes for regrename_optimize and
8851 copyprop_hardreg_forward.
8853 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8855 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8856 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8857 Test against the appropriate null constant for the mode.
8858 If 'fixup_overlap' is true, swap the operands if they overlap.
8859 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8860 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8861 alpha_split_tmode_pair and adjust for above change.
8862 * config/alpha/alpha.md (movtf_internal): Adjust call to
8863 alpha_split_tfmode_pair and rely on it to swap the operands.
8864 (movti_internal): New insn and post-reload splitter.
8865 (movti): New expander.
8867 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8869 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8872 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8874 * rtlanal.c (global_reg_mentioned_p_1,
8875 global_reg_mentioned_p): Remove.
8876 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8878 * flow.c (initialize_uninitialized_subregs): Make it static.
8879 * rtl.h: Remove the prototype for
8880 initialize_uninitialized_subregs.
8882 * function.c (instantiate_virtual_regs): Make it static.
8883 * function.h: Remove the prototype for
8884 instantiate_virtual_regs.
8886 * regmove.c (regmove_optimize, combine_stack_adjustments):
8888 * rtl.h: Remove the prototypes for regmove_optimize and
8889 combine_stack_adjustments.
8891 2006-01-17 Roger Sayle <roger@eyesopen.com>
8893 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8894 (size_cost): Encode costs in bytes so that a reg-reg addition is
8895 equivalent to COSTS_N_INSNS(1).
8896 (override_options): Use the size_cost.branch_cost as the default
8897 ix86_branch_cost when optimizing for size.
8899 2006-01-18 Ben Elliston <bje@au.ibm.com>
8901 * Makefile.in (D32PBIT_FUNCS): New.
8902 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8903 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8904 D64PBIT_FUNCS and D128PBIT_FUNCS.
8905 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8906 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8908 (decnumber_dep): Define.
8909 * doc/libgcc.texi (Decimal float library routines): New node.
8910 * config/dfp-bit.h, config/dfp-bit.c: New files.
8912 2006-01-18 Ben Elliston <bje@au.ibm.com>
8914 * expr.c (emit_move_change_mode): Always adjust addresses, not
8915 just during reload. Copy replacements only during reload.
8916 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8917 emit_move_via_integer.
8919 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8921 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8922 instead of $(srcdir) and ${srcdir}.
8924 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8928 * arm.h (struct machine_function): Add pic_reg.
8929 * arm.c (arm_pic_register): Make unsigned.
8930 (arm_override_options): Only set arm_pic_register if
8931 TARGET_SINGLE_PIC_BASE.
8932 (use_return_insn): Only test for a pic register if it is fixed.
8933 (arm_compute_save_reg0_reg12_mask): Likewise.
8934 (thumb_compute_save_reg_mask): Likewise.
8935 (legitimate_pic_operand): Factor out some known invariants.
8936 (legitimize_pic_address): If we don't have a fixed pic register,
8937 then set up a pseudo in the function entry sequence. Handle the
8938 pic base being in a pseudo.
8939 (arm_load_pic_register): Handle the pic register being in a pseudo.
8940 (arm_expand_prologue): Only set up the pic register if it is fixed.
8941 (thumb_expand_prologue): Likewise.
8942 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8943 (pic_load_addr_based_insn): Likewise.
8944 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8947 2006-01-18 Ben Elliston <bje@au.ibm.com>
8949 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8950 decimal float modes for all floating point registers.
8952 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8953 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8955 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8958 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8959 even when the pointer is not NULL.
8961 2006-01-16 Ian Lance Taylor <ian@airs.com>
8963 * common.opt (ftoplevel-reorder): New option.
8964 * cgraph.c (cgraph_asm_nodes): New global variable.
8965 (cgraph_asm_last_node): New static variable.
8966 (cgraph_order): New global variable.
8967 (cgraph_create_node): Set new order field.
8968 (cgraph_varpool_node): Likewise.
8969 (decide_is_variable_needed): Return true if not
8970 flag_toplevel_reorder.
8971 (cgraph_add_asm_node): New function.
8972 * cgraph.h (struct cgraph_node): Add order field.
8973 (struct cgraph_varpool_node): Add order field.
8974 (struct cgraph_asm_node): Define.
8975 (cgraph_asm_nodes, cgraph_order): Declare.
8976 (cgraph_add_asm_node): Declare.
8977 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8979 (cgraph_varpool_assemble_pending_decls): Call it.
8980 (cgraph_output_pending_asms): New static function.
8981 (cgraph_finalize_compilation_unit): Call it.
8982 (struct cgraph_order_sort): Define.
8983 (cgraph_output_in_order): New static function.
8984 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8985 !flag_toplevel_reorder case.
8986 * c-parser.c: Include "cgraph.h".
8987 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8989 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8990 than -fno-unit-at-a-time.
8991 * doc/invoke.texi (Option Summary): Mention
8992 -fno-toplevel-reorder.
8993 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8994 -funit-at-a-time documentation.
8996 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8997 Kazu Hirata <kazu@codesourcery.com>
8999 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9001 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9003 * Makefile.in (FUNCTION_H): New. Use it instead of
9004 function.h throughout the file.
9005 * function.h: Include tree.h.
9007 2006-01-17 Ben Elliston <bje@au.ibm.com>
9009 * recog.c: Separate some functions with whitespace.
9011 2006-01-16 Richard Henderson <rth@redhat.com>
9013 Merge from gomp branch:
9014 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9015 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9016 and rename from struct inline_data. Rename callee* to dst*;
9017 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9018 transform_new_cfg, transform_return_to_modify, and
9019 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9021 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9022 (copy_decl_for_dup): Remove.
9023 * tree-inline.c (struct inline_data): Move to header.
9024 (insert_decl_map): Export.
9025 (remap_decl): Update for member name changes. Use copy_decl hook.
9026 Allow for replacement to be a non-decl. Remove dead code.
9027 (remap_type_1): Check for existing mapping.
9028 (remap_type): Export.
9029 (remap_decls): Update for member name changes.
9030 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9031 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9032 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9033 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9034 (tree_function_versioning, build_duplicate_type): Likewise.
9035 (copy_body_r): Likewise. Export.
9036 (copy_decl_for_dup): Split into ...
9037 (copy_decl_for_dup_finish, copy_decl_to_var,
9038 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9039 (replace_ref_tree, inlining_p): Remove.
9041 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9043 * ifcvt.c (if_convert): Make it static.
9044 * rtl.h: Remove the prototype for if_convert.
9046 * local-alloc.c (local_alloc): Make it static.
9047 * rtl.h: Remove the prototype for local_alloc.
9049 * loop.c (loop_optimize): Make it static.
9050 * cfgloop.h: Remove the prototype for loop_optimize.
9053 2006-01-16 DJ Delorie <dj@redhat.com>
9055 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9058 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9060 * pa.md: Disparage copies between general and floating-point registers
9061 in 32-bit move patterns.
9063 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9066 * Makefile.in (check-%): Depend on site.exp instead of
9067 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9070 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9072 * global.c (global_alloc): Make it static.
9073 * rtl.h: Remove the prototype for global_alloc.
9075 2006-01-16 Richard Guenther <rguenther@suse.de>
9077 * tree-ssa-alias.c (struct used_part): Add write_only field.
9078 (get_or_create_used_part_for): Initialize it to true.
9079 (create_overlap_variables_for): Don't create structure variables
9080 for structures that only are written to.
9081 (find_used_portions): Handle MODIFY_EXPR to track whether a
9082 structure is only written to.
9084 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9086 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9088 * basic-block.h: Remove the prototype for
9089 partition_hot_cold_basic_blocks.
9091 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9093 * cppspec.c (lang_specific_spec_functions): Remove.
9094 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9095 * gcc.h (lang_specific_spec_functions): Remove.
9096 * gccspec.c (lang_specific_spec_functions): Remove.
9098 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9100 * combine.c (record_value_for_reg): Invalidate registers
9102 (record_dead_and_set_regs_1): Likewise, by passing them to
9103 record_value_for_reg.
9104 (record_dead_and_set_regs): Invalidate stores made by a
9105 call. We do not combine across a call, but we still
9106 relied on equivalences.
9108 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9110 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9111 vrp_int_const_binop returning non-constant nodes.
9113 2006-01-16 Paul Brook <paul@codesourcery.com>
9115 * config/m68k/m68k.c (output_move_const_into_data_reg):
9116 Output correct mnemonic for mvz and mvs.
9118 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9120 * rtl-factoring.c: Add sequence abstraction algorithm.
9121 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9122 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9124 (block_has_preserve_label): New function.
9125 * common.opt: Register new pass.
9126 * Makefile.in: Ditto.
9128 * timevar.def: Ditto.
9129 * tree-pass.h: Ditto.
9130 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9131 * rtl.h (make_jump_insn_raw): Add forward decl.
9132 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9134 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9135 Roger Sayle <roger@eyesopen.com>
9137 * fold-const.c (fold_minmax): New static function.
9138 (fold_binary) <MIN_EXPR>: Call it.
9139 <MAX_EXPR>: Likewise.
9140 * stor-layout.c (place_field): Use DECL_SIZE consistently
9141 in the computation of the new record size.
9143 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9145 * cse.c (cse_condition_code_reg): Make it static.
9146 * rtl.h: Remove the prototype for cse_condition_code_reg.
9148 * combine.c (combine_instructions): Make it static.
9149 * rtl.h: Remove the prototype for combine_instructions.
9151 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9154 * tree.c (get_file_function_name_long): Concatenate the first global
9155 object name with a string derived from the input filename of the object
9158 2006-01-16 Ben Elliston <bje@au.ibm.com>
9160 * config/i386/winnt-stubs.c: Update FSF address.
9161 * config/xtensa/ieee754-df.S: Ditto.
9162 * config/xtensa/ieee754-sf.S: Ditto.
9164 2006-01-14 Ian Lance Taylor <ian@airs.com>
9166 * ifcvt.c (noce_init_if_info): New static function, broken out of
9167 noce_process_if_block.
9168 (noce_process_if_block): Call noce_init_if_info.
9169 (check_cond_move_block): New static function.
9170 (cond_move_process_if_block): New static function.
9171 (process_if_block): Call cond_move_process_if_block.
9173 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9175 * cselib.c (hash_table): Rename to cselib_hash_table.
9176 (cselib_clear_table, discard_useless_values,
9177 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9178 cselib_init, cselib_finish): Adjust uses of hash_table.
9180 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9182 PR tree-optimization/25485
9183 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9184 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9185 is known to be false and true, respectively.
9187 2006-01-14 Richard Guenther <rguenther@suse.de>
9189 PR tree-optimization/22548
9190 PR tree-optimization/22555
9191 PR tree-optimization/22501
9192 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9193 * params.def (salias-max-array-elements): New parameter.
9194 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9195 * doc/invoke.texi (salias-max-array-elements): Document.
9196 * tree-flow-inline.h (var_can_have_subvars): We also handle
9198 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9200 * tree-ssa-structalias.c (params.h): Include.
9201 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9202 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9203 (get_constraint_for): For ADDR_EXPR operating on something
9204 containing an ARRAY_REF, add all subvars to the solution.
9205 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9206 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9207 for creating MUST_DEFs.
9208 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9210 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9212 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9214 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9215 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9216 number_of_iterations_le): New functions.
9217 (number_of_iterations_special): Removed.
9218 (number_of_iterations_exit): Do not use number_of_iterations_special.
9219 * tree.c (unsigned_type_for): Always return integer type.
9221 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9222 Richard Guenther <rguenther@suse.de>
9224 PR rtl-optimization/24257
9225 * gcse.c (find_moveable_store): Only consider a store movable
9226 when the SET_SRC of the insn can be assigned to a register.
9228 2006-01-14 Ian Lance Taylor <ian@airs.com>
9230 * tree.c (tree_not_class_check_failed): New function.
9231 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9232 (tree_not_class_check_failed): Declare.
9234 2006-01-13 Ian Lance Taylor <ian@airs.com>
9236 * reload1.c (do_output_reload): Add assertion rejecting a
9239 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9241 * combine.c (struct reg_stat): Add new fields truncation_label and
9243 (record_value_for_reg): Reset truncated_to_mode.
9244 (record_truncated_value): New function.
9245 (check_promoted_subreg): Call it. Rename to check_conversions.
9246 (combine_instructions): Rename check_promoted_subreg to
9248 (reg_truncated_to_mode): New function.
9249 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9250 (gen_lowpart_or_truncate): New function.
9251 (force_to_mode): Use it instead of gen_lowpart.
9253 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9255 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9256 VAR is a tag, not its type tag.
9258 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9260 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9261 alternatives to match style of other entries.
9262 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9264 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9266 PR tree-optimization/25771
9267 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9270 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9273 * tree-inline.c (declare_return_variable): If the return variable
9274 was marked as a non gimple complex, set the return slot variable
9275 to be a non gimple comple variable.
9277 2006-01-13 Richard Guenther <rguenther@suse.de>
9279 * builtins.c (expand_builtin_sincos): New function.
9280 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9282 (expand_builtin): Expand sincos using expand_builtin_sincos.
9284 2006-01-12 DJ Delorie <dj@redhat.com>
9286 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9287 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9288 so that constant shifts can be split.
9289 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9290 (m32c_valid_pointer_mode): Make static.
9291 (shift_gen_func_for): New.
9292 (m32c_prepare_shift): Use it. Split large const shifts into
9294 * config/m32c/predicates.md (shiftcount_operand): Allow more
9296 (longshiftcount_operand): New.
9297 * doc/md.texi (Machine Constraints): Document In6.
9299 2006-01-13 Ben Elliston <bje@au.ibm.com>
9301 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9302 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9305 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9307 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9308 to try to avoid clobbering pieces of structures when we know
9309 something about the whole structure.
9310 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9312 2006-01-13 Ben Elliston <bje@au.ibm.com>
9314 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9315 return in memory, as this is no limitation is no longer present.
9317 2006-01-12 DJ Delorie <dj@redhat.com>
9319 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9320 mova with fb, and for fb+0 -> An.
9322 * config/m32c/mov.md (peephole2): Fix enabling logic.
9324 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9325 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9326 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9327 FINI_ARRAY_SECTION_ASM_OP): Define.
9329 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9331 (m32c_legitimize_reload_address): New logic to reload FB to An.
9332 (m32c_output_reg_push): Add newline.
9333 (m32c_output_reg_pop): Likewise.
9335 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9337 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9339 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9341 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9343 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9345 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9348 2006-01-11 Ben Elliston <bje@au.ibm.com>
9350 * rtlanal.c (find_reg_note): Assert insn is not null.
9352 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9354 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9357 2006-01-11 Jeff Law <law@redhat.com>
9359 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9361 (mark_threaded_blocks, register_jump_thread): New functions.
9362 (thread_through_all_blocks): Remove unwanted argument. No
9363 longer rely on e->aux to communicate thread target info.
9364 Call mark_threaded_blocks. Release the threaded_blocks
9365 bitmap and threaded_edges vector when complete.
9366 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9367 (threaded_blocks): Remove.
9368 (tree_ssa_dominator_optimize): Remove initialization and
9369 finalization of threaded_blocks. Simplify call to
9370 thread_through_all_blocks.
9371 (thread_across_edge): Call register_jump_thread rather than
9372 storing thread information into e->aux.
9373 (free_all_edge_infos): Simplify now that e->aux is no longer
9374 used to communicate with thread_through_all_blocks.
9375 * tree-flow.h (thread_through_all_blocks): Update prototype.
9376 (register_jump_thread): Prototype.
9378 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9380 * df-core.c (df_compact_blocks, df_bb_replace): Use
9381 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9383 2006-01-11 Richard Guenther <rguenther@suse.de>
9385 PR tree-optimization/25734
9386 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9387 stop propagation after successful propagation to the LHS.
9389 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9391 * basic-block.h (control_flow_graph): Change the type of
9392 x_basic_block_info to VEC(basic_block,gc) *.
9393 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9395 (SET_BASIC_BLOCK): New.
9396 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9397 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9398 * cfgbuild.c (find_basic_blocks): Likewise.
9399 * cfglayout.c (fixup_reorder_chain): Likewise.
9400 * cfgrtl.c (create_basic_block_structure,
9401 rtl_create_basic_block): Likewise.
9402 * ifcvt.c (find_if_case_1): Likewise.
9403 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9406 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9408 * Makefile.in: Removed rotted odf.c entry.
9410 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9413 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9414 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9415 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9416 output pattern modifier, not %e.
9417 * config/cris/cris.c (cris_op_str): Update comment about pattern
9419 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9420 before falling through into...
9421 <case 'E'>: Redefined from old 'e' case.
9423 2006-01-11 Jan Hubicka <jh@suse.cz>
9426 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9428 2006-01-11 Jan Hubicka <jh@suse.cz>
9430 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9431 * i386.c (x86_decompose_lea): Kill.
9432 (ix86_rtx_costs): Kill.
9434 2006-01-11 Jan Hubicka <jh@suse.cz>
9436 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9437 * cgraph.h (cgraph_node): Add inline_decl.
9438 (cgraph_insert_node_to_hashtable): Declare.
9439 (save_inline_function_body): Declare.
9440 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9442 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9443 (cgraph_function_versioning): Update call of tree_function_versioning.
9444 (save_inline_function_body): New function.
9445 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9446 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9447 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9448 (cgraph_default_inline_p): Likewise.
9449 (cgraph_decide_inlining_incrementally): Likewise.
9450 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9451 (copy_bb): Kill saving; do updating of clones.
9452 (copy_cfg_body): Kill saving.
9453 (initialize_inlined-parameters): Likewise.
9454 (expand_call_inline): Likewise.
9456 (tree_function_versioning): New parameter "update_clones".
9457 (inlining_p): Kill saving.
9458 * tree-inline.h (tree_function_versioning): Update prototype.
9459 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9462 2006-01-11 Ian Lance Taylor <ian@airs.com>
9464 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9465 Allow undoing set of machine mode.
9466 (do_SUBST): Use enums instead of is_int.
9467 (do_SUBST_MODE): New function.
9468 (SUBST_MODE): New macro.
9469 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9470 reg and trying to replace reg_regno_rtx with a new register.
9471 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9472 (simplify_set): Use SUBST_MODE.
9473 (distribute_notes): Remove code that tried to update reg notes
9474 for regno_reg_rtx changes.
9476 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9478 PR tree-optimization/23109
9479 PR tree-optimization/23948
9480 PR tree-optimization/24123
9482 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9483 * tree-cfg.c (single_noncomplex_succ): New.
9484 * tree-flow.h (single_noncomplex_succ): Declare it.
9485 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9486 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9487 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9488 insert_bb, register_division_in, insert_reciprocals,
9489 replace_reciprocal, free_bb): New.
9490 (execute_cse_reciprocals_1): Rewritten.
9491 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9492 Do not commit any edge insertion. Always compute dominators and
9493 create the allocation pool.
9494 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9495 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9496 * targhooks.c (default_min_divistions_for_recip_mul): New.
9497 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9498 * passes.c (init_optimization_passes): Run recip after tree loop
9500 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9502 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9503 Kenneth Zadeck <zadeck@naturalbridge.com>
9505 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9506 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9507 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9508 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9509 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9510 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9511 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9512 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9513 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9514 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9515 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9516 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9517 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9518 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9519 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9520 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9521 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9522 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9523 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9524 DF_SCAN_POST_ALLOC): New macros.
9525 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9526 df_free_bb_function, df_local_compute_function, df_init_function,
9527 df_dataflow_function, df_confluence_function_0,
9528 df_confluence_function_n, df_transfer_function,
9529 df_finalizer_function, df_free_function, df_dump_problem_function,
9530 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9531 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9532 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9533 df_urec_bb_info, ) New types.
9534 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9536 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9537 df_analyze_simple_change_some_blocks,
9538 df_analyze_simple_change_one_block, df_compact_blocks,
9539 df_bb_replace, df_bb_regno_last_use_find,
9540 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9541 df_insn_regno_def_p, df_find_def, df_find_use,
9542 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9543 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9544 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9545 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9546 debug_df_chain, df_get_dependent_problem, df_chain_create,
9547 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9548 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9549 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9550 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9551 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9552 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9553 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9554 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9555 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9556 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9557 df_reorganize_refs, df_set_state, df_hard_reg_init,
9558 df_read_modify_subreg_p) New public functions.
9559 * df-core.c: The core dataflow solver and glue routines for rtl
9561 (df_init, df_add_problem, df_set_blocks, df_finish,
9562 df_hybrid_search_forward, df_hybrid_search_backward,
9563 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9564 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9565 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9566 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9567 df_reg_defined, df_find_use, df_reg_used, df_dump,
9568 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9569 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9570 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9571 debug_df_useno, reset_df_after_reload): New functions.
9572 * df-scan.c: The scanning fuctions, once in df.c, completely
9573 rewritten so that they now fully model the functionality of
9574 register usage at the backend.
9575 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9576 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9577 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9578 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9579 df_get_artificial_defs, df_get_artificial_uses,
9580 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9581 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9582 df_refs_delete, df_reorganize_refs, df_set_state,
9583 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9584 df_def_record_1, df_defs_record, df_uses_record,
9585 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9586 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9587 df_record_exit_block_uses, df_hard_reg_init): New functions.
9589 * df-problems.c: Seven concrete dataflow problems that use the
9590 scanning in df-scan.c and are solved by the engine in df-core.c.
9591 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9592 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9593 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9594 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9595 df_ru_free_bb_info, df_ru_alloc,
9596 df_ru_bb_local_compute_process_def,
9597 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9598 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9599 df_ru_transfer_function, df_ru_free, df_ru_dump,
9600 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9601 df_rd_free_bb_info, df_rd_alloc,
9602 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9603 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9604 df_rd_transfer_function, df_rd_free, df_rd_dump,
9605 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9606 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9607 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9608 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9609 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9610 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9611 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9612 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9613 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9614 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9615 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9616 df_urec_mark_reg_use_for_earlyclobber,
9617 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9618 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9619 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9620 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9621 df_chain_create_bb_process_use, df_chain_create_bb,
9622 df_chain_finalize, df_chain_free, df_chains_dump,
9623 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9624 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9625 df_reg_lifetime): New functions.
9626 * df.c: Deleted file.
9627 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9628 consistent with new df api.
9629 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9630 rest_of_handle_sms): Ditto.
9631 * web.c (unionfind_union, union_defs, entry_register, web_main):
9633 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9634 invariant_expr_equal_p, find_defs, check_dependencies,
9635 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9636 free_inv_motion_data, move_loop_invariants): Ditto.
9637 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9638 Update dependencies.
9639 (odf.c): Added defective entry that was deleted later in day.
9640 * sched-deps.c (sched_analyze_1): Ditto.
9642 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9644 * tree-ssa-operands.c (get_expr_operands): Record addressable
9645 variables directly. Do not call add_stmt_operands for CONST_DECLs
9647 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9648 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9650 2006-01-11 Ben Elliston <bje@au.ibm.com>
9652 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9653 function returns true in the positive case.
9655 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9658 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9659 for SI, DI, SF and DF modes. Add alternatives to copy between
9660 general and floating point registers to the 32-bit patterns.
9661 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9662 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9663 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9664 generating 64-bit code.
9665 * config/pa/pa.c (output_move_double): Handle copies between general
9666 and floating registers.
9668 2006-01-10 Stuart Hastings <stuart@apple.com>
9670 * config/i386/i386.md (set_got): Update.
9671 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9672 (builtin_setjmp_receiver): Mach-O support.
9673 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9674 (GOT_SYMBOL_NAME): Define.
9675 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9676 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9677 * config/i386/i386.c (override_options): Revise for Darwin.
9678 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9679 support. (darwin_x86_file_end): New. (output_set_got): Add label
9680 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9681 * config/i386/i386-protos.h (output_set_got): Likewise.
9682 * config/darwin.c (machopic_legitimize_pic_address): Update
9685 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9687 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9688 when MODE isn't BLKmode.
9690 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9692 PR rtl-optimization/25367
9693 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9695 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9698 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9699 for a negative bound.
9701 2006-01-10 Richard Guenther <rguenther@suse.de>
9703 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9704 Never override with anything constraint.
9706 2006-01-10 Jan Beulich <jbeulich@novell.com>
9708 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9709 256 bits when optimize_size.
9711 2006-01-10 Jan Beulich <jbeulich@novell.com>
9713 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9715 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9716 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9719 2006-01-10 Ben Elliston <bje@au.ibm.com>
9721 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9723 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9724 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9725 (USE_FP_FOR_ARG): Reject decimal float modes.
9726 (function_arg_advance): Likewise.
9727 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9728 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9729 point types in AltiVec vectors.
9730 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9731 (rs6000_libcall_value): Likewise.
9733 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9735 * config/xtensa/ieee754-df.S: New file.
9736 * config/xtensa/ieee754-sf.S: New file.
9737 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9738 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9739 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9741 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9743 * config/sh/predicates.md (binary_float_operator,
9744 binary_logical_operator, commutative_float_operator,
9745 equality_comparison_operator, greater_comparison_operator,
9746 less_comparison_operator, logical_operator,
9747 noncommutative_float_operator, shift_operator,
9748 symbol_ref_operand, unary_float_operator): Remove redundant
9751 2006-01-09 Jeff Law <law@redhat.com>
9753 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9754 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9755 now unused arguments. Callers updated.
9756 (eliminate_redundant_computations): Remove now unused arguments,
9758 (local_fold): Remove, no longer used.
9759 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9761 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9762 (simplify_cond): New function.
9763 (forward_propagate_into_cond): Call simplify_cond.
9765 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9767 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9768 (*vec_extractv2di_1_sse): New.
9770 2006-01-09 Ben Elliston <bje@au.ibm.com>
9772 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9774 2006-01-08 Richard Guenther <rguenther@suse.de>
9776 * tree-ssa-structalias.c (get_constraint_for): Remove
9778 (get_constraint_for_component_ref): Likewise.
9779 (do_deref): Likewise.
9780 (get_constraint_for): Likewise.
9781 (do_structure_copy): Likewise.
9782 (handle_ptr_arith): Likewise.
9783 (find_func_aliases): Likewise. Remove unused need_anyoffset
9786 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9787 Kaz Kojima <kkojima@gcc.gnu.org>
9789 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9790 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9791 (EXTRA_CONSTRAINT_C16): Remove.
9792 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9793 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9794 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9795 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9796 constants of SHmedia. Handle nested constant expressions of
9798 (andcosts): Fix the costs for SHmedia constants.
9799 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9800 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9801 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9802 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9803 (movv4hi_i, movv2si_i): Likewise.
9804 (movsi_const): Adjust the second operand of ior so to match with
9806 (movdi_const, movdi_const_32bit): Likewise.
9807 (movdi_const_16bit+1): Don't sign-extend LOW.
9808 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9810 (*double_shori): Fix the split condition. Use GEN_INT instead
9811 of get_int_mode calls. Mask lower 16-bit of the argument of
9813 (sym2GOTPLT): Remove.
9814 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9816 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9817 instead of EXTRA_CONSTRAINT_C16.
9819 2006-01-07 Ian Lance Taylor <ian@airs.com>
9820 David Edelsohn <edelsohn@gnu.org>
9822 PR rtl-optimization/25662
9823 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9824 for constant operands instead of simplify_gen_binary.
9825 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9826 after trying simplify_binary_operation
9828 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9830 * tree.c (iterative_hash_expr): Hash decls based on UID.
9832 2006-01-06 Eric Christopher <echristo@apple.com>
9834 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9835 (TARGET_UNWIND_EMIT): Fix spelling.
9836 * target.h (gcc_target): Add except_table_label.
9837 * except.c (output_function_exception_table): Use.
9838 * varasm.c (default_emit_except_table_label): New.
9839 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9841 (asm_out): Add here.
9842 * output.h (default_emit_except_table_label): Prototype.
9843 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9844 * config/darwin.c (darwin_emit_except_table_label): Define.
9845 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9847 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9849 PR tree-optimization/18527
9850 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9851 number_of_iterations_special, number_of_iterations_exit):
9852 Move base and step of an iv to a single structure. Add
9853 no_overflow flag, and use it in # of iterations analysis.
9854 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9855 folded_casts argument.
9856 (simple_iv): Pass base and step in a structure. Set no_overflow
9858 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9859 Evaluate expensiveness of computing # of iterations instead of
9860 the final expression.
9861 * tree-scalar-evolution.h (affine_iv): New structure.
9862 (simple_iv): Declaration changed.
9863 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9864 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9865 find_givs_in_stmt): Changed due to simple_iv change.
9867 2006-01-06 Jeff Law <law@redhat.com>
9870 * tree-cfg.c (bsi_replace): Rename final argument from
9871 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9872 change (stmt -> orig_stmt).
9873 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9874 (bsi_remove): Add new argument. Remove EH information
9876 (verify_eh_throw_table_statements): New function.
9877 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9879 * tree-optimize.c (execute_free_cfg_annotations): Verify
9880 the EH throw statement table after removing annotations.
9881 * except.h (verify_eh_throw_table_statements): Prototype.
9882 * tree-flow.h (bsi_remove): Update prototype.
9883 * tree-vrp.c (remove_range_assertions): Add new argument to
9885 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9886 * tree-complex.c (expand_complex_div_wide): Likewise.
9887 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9888 * tree-tailcall.c (eliminate_tailcall): Likewise.
9889 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9890 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9891 * tree-nrv.c (tree_nrv): Likewise.
9892 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9893 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9894 (combine_blocks): Likewise.
9895 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9896 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9897 (cleanup_control_flow): Likewise.
9898 (remove_forwarder_block): Likewise.
9899 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9900 * tree-sra.c (sra_replace): Likewise.
9901 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9902 (forward_propagate_single_use_vars): Likewise.
9903 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9904 * tree-inline.c (expand_call_inline): Likewise.
9905 * tree-vect-transform.c (vect_transform_loop): Likewise.
9906 * tree-outof-ssa.c (rewrite_trees): Likewise.
9907 * tree-cfg.c (make_goto_expr_edges): Likewise.
9908 (cleanup_dead_labels): Likewise.
9909 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9910 (bsi_move_before, bsi_move_after): Likewise.
9911 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9912 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9914 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9917 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9919 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9920 on non gimple variables. Also add checks at the top for decls and
9922 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9924 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9925 and IMAGPART_EXPR for creating MUST_DEFs.
9926 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9927 and NAME_MEMORY_TAG separately from the DECLs.
9929 2006-01-06 Richard Guenther <rguenther@suse.de>
9931 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9932 annotation, if necessary.
9933 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9934 redundant calls to update_stmt.
9935 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9938 2006-01-05 Richard Henderson <rth@redhat.com>
9940 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9942 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9944 * c-typeck.c: Update copyright date.
9946 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9948 * c-typeck.c (build_c_cast): Always warn when casting
9949 from a pointer to an integer of different size, even if
9950 the node was constant.
9952 2006-01-05 Richard Guenther <rguenther@suse.de>
9954 PR tree-optimization/22555
9955 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9956 if one structure field is an array.
9957 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9958 operands even if we found a subvar, but ignore VOPs in this
9960 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9962 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9964 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9967 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9969 2006-01-05 Richard Guenther <rguenther@suse.de>
9970 Diego Novillo <dnovillo@redhat.com>
9972 * tree-pass.h (TODO_remove_unused_locals): Define.
9973 * gimple-low.c (expand_var_p, remove_useless_vars,
9974 pass_remove_useless_vars): Remove. Update all users.
9975 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9976 (remove_unused_locals): New function.
9977 * tree-flow.h (remove_unused_locals): Declare.
9978 * passes.c (execute_todo): Call remove_unused_locals if
9979 TODO_remove_unused_locals is set.
9980 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9981 * tree-ssa-dce.c (pass_dce): Likewise.
9982 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9984 2006-01-05 Richard Guenther <rguenther@suse.de>
9986 * tree-flow.h (struct fieldoff): Decompose field to
9987 type, size and decl.
9988 * tree-ssa-alias.c (create_sft): Take type as parameter.
9989 (create_overlap_variables_for): Store type, size and decl
9990 in the fieldoff structure.
9991 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9993 (push_fields_onto_fieldstack): Likewise.
9994 (create_variable_info_for): Likewise. Use offset for the
9995 SFT name if the decl is not available.
9997 2006-01-04 Paul Brook <paul@codesourcery.com>
9999 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10001 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10003 * lambda-code.c (can_put_in_inner_loop): Relax
10005 (can_put_after_inner_loop): New function.
10006 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10007 (perfect_nestify): Change to make copies and modify uses.
10009 2006-01-04 Richard Henderson <rth@redhat.com>
10011 Merge from gomp branch:
10012 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10013 via integer constant.
10014 (pragma_lex): Remove.
10015 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10016 rather than parsing it.
10017 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10018 handle_pragma_extern_prefix): Add %< %> quotes.
10019 (registered_pragmas): New.
10020 (c_register_pragma_1): New.
10021 (c_register_pragma): Use it.
10022 (c_register_pragma_with_expansion): Likewise.
10023 (c_invoke_pragma_handler): New.
10024 (init_pragma): Use cpp_register_deferred_pragma directly for
10026 * c-pragma.h (enum pragma_kind): New.
10027 (pragma_handler): New.
10028 (c_invoke_pragma_handler): Declare.
10029 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10031 * c-common.h (c_common_pch_pragma): Update decl.
10032 * Makefile.in (c-parser.o): Update dependencies.
10033 (GTFILES): Add c-pragma.h.
10034 * c-parser.c (struct c_token): Add pragma_kind.
10035 (struct c_parser): Add in_pragma.
10036 (c_lex_one_token): Always initialize keyword and pragma_kind.
10037 Extract data for CPP_PRAGMA.
10038 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10039 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10040 Don't allow CPP_PRAGMA_EOL if in_pragma.
10041 (c_parser_consume_pragma): New.
10042 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10043 (c_parser_skip_to_end_of_parameter): Likewise.
10044 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10045 (c_parser_skip_to_pragma_eol): New.
10046 (c_parser_external_declaration): Handle CPP_PRAGMA.
10047 (c_parser_compound_statement_nostart): Likewise.
10048 (c_parser_statement_after_labels): Likewise.
10049 (c_parser_pragma): New.
10050 (pragma_lex): Likewise.
10051 (c_parser_pragma_pch_preprocess): New.
10052 (c_parser_new): Merge into ...
10053 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10055 2006-01-04 Jeff Law <law@redhat.com>
10058 * tree-cfg.c (bsi_replace): Remove the original statement
10059 from the EH throw statement table.
10061 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10063 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10064 make the prototype extern "C" and add throw ().
10067 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10068 and pos non-negative and pos + len <= 32.
10069 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10070 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10071 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10074 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10075 as well as sizes not multiple of component size.
10078 * function.c (instantiate_expr): New function.
10079 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10080 walk its DECL_VALUE_EXPR with instantiate_expr.
10082 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10083 DW_OP_deref{,_size} if address isn't going to be added.
10085 2006-01-04 Ben Elliston <bje@au.ibm.com>
10087 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10088 * config/fp-bit.c: Likewise.
10090 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10092 * dominance.c: Add comment about why we use DFS numbering
10095 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10096 Richard Henderson <rth@redhat.com>
10098 Merge from gomp-branch:
10099 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10100 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10102 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10104 PR rtl-optimization/25578
10105 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10106 pass a parameter to simplify_shift_const if changing ASHIFTRT
10109 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10111 * builtins.c (get_builtin_sync_mem): New function.
10112 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10113 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10114 Call get_builtin_sync_mem to generate mem rtx.
10116 2006-01-03 Richard Guenther <rguenther@suse.de>
10119 * stmt.c (add_case_node): Make sure to clear overflow flags
10122 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10124 Merge from gomp-branch.
10125 * config/sparc/sync.md: New file.
10126 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10127 UNSPECV_LDSTUB): New constants.
10128 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10129 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10130 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10133 2006-01-03 Roger Sayle <roger@eyesopen.com>
10135 * combine.c (reg_subword_p): New predicate to test whether the
10136 destination of a set refers to a subword/piece of a register.
10137 (try_combine): Generalize the code to merge the setting of a
10138 pseudo to a constant followed by a set of a subword of that
10139 register to a constant.
10141 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10143 * basic-block.h (control_flow_graph): Change the type of
10144 x_label_to_block_map to VEC(basic_block,gc) *.
10145 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10146 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10148 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10149 VEC(basic_block,heap) *.
10150 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10151 ssa_prop_fini): Adjust the uses of cfg_blocks.
10153 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10155 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10157 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10158 hashing trees instead of a pointer hash.
10159 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10160 compare for MEM_EXPR.
10162 PR rtl-optimization/25130
10163 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10164 when comparing MEMs for GCSE
10166 2006-01-03 Ben Elliston <bje@au.ibm.com>
10168 * targhooks.h (default_decimal_float_supported_p): Declare.
10169 * targhooks.c (default_decimal_float_supported_p): Define.
10170 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10171 `default_decimal_float_supported_p'.
10172 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10174 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10176 * combine.c (apply_distributive_law <SUBREG>): Check
10177 TRULY_NOOP_TRUNCATION.
10179 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10181 * dwarf2out.c (have_switched_text_section): Delete.
10182 (have_multiple_function_sections): New.
10183 (have_location_lists): Make 'bool'.
10184 (add_AT_loc_list): Use 'true' not '1'.
10185 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10186 (output_loc_list): Use have_multiple_function_sections.
10187 (output_ranges): Likewise.
10188 (dwarf2out_begin_function): Set have_multiple_function_sections if
10190 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10191 Check function_section rather than DECL_SECTION_NAME.
10192 (dwarf2out_finish): Use have_multiple_function_sections.
10193 Don't clear have_location_lists.
10195 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10196 Jan Hubicka <jh@suse.cz>
10198 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10199 case of conditional jump jumping to the next instruction.
10200 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10201 cases of conditional jump jumping to the next instruction.
10203 2006-01-02 Jan Hubicka <jh@suse.cz>
10205 * i386.c (*_cost): Add COSTS_N_INSNS.
10206 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10208 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10211 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10213 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10215 * config/arm/arm.c (all_fpus): Fix comment typo.
10216 * config/darwin.c: Likewise.
10217 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10218 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10219 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10221 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10223 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10224 (rs6000_split_compare_and_swapqhi): New.
10225 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10226 (sync_compare_and_swapqhi_internal): New.
10227 * config/rs6000/rs6000-protos.h: Declare.
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