1 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4 * except.c (duplicate_eh_regions): Fix clearing of
5 cfun->eh->region_array entries.
7 2006-05-01 DJ Delorie <dj@redhat.com>
9 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11 (gcc_cv_objdump): Likewise.
12 * configure: Regenerated.
14 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
17 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
18 templates for case 3 and 4.
20 2006-05-01 DJ Delorie <dj@redhat.com>
22 * vec.c: Include bconfig.h when appropriate.
23 * Makefile.in (build/vec.o): Adjust dependencies.
24 * mkconfig.sh: Make sure config.h isn't used for build machine
27 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
29 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
31 (mark_phi_for_rewrite): New function.
32 (insert_phi_nodes_for, mark_use_interesting): Call
34 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
35 (update_ssa): Initialize and free phis_to_rewrite.
37 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
39 PR rtl-optimization/27291
40 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
43 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
45 PR tree-optimization/27283
46 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
47 not whole # of iteration descriptions.
48 (niter_for_exit): Return just # of iterations. Fail if # of iterations
49 uses abnormal ssa name.
50 (niter_for_single_dom_exit): Ditto.
51 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
52 return just the number of iterations.
54 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
56 PR tree-optimization/27144
57 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
58 (record_estimate): Only record constant upper bound.
59 (infer_loop_bounds_from_undefined): Call
60 compute_estimated_nb_iterations just once.
61 (proved_non_wrapping_p): Renamed to ...
62 (n_of_executions_at_most): ... this. Expect bound to be a constant.
63 (convert_step_widening, scev_probably_wraps_p): Call
64 n_of_executions_at_most instead of proved_non_wrapping_p.
65 (substitute_in_loop_info): Do not replace values in bounds.
66 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
69 2006-05-01 Richard Henderson <rth@redhat.com>
72 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
73 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
76 2006-05-01 Roger Sayle <roger@eyesopen.com>
78 * c-typeck.c (parser_build_binary_op): Don't call the function
79 unsigned_conversion_warning to spot operand/result type overflow.
80 (build_binary_op): Instead, call convert_and_check instead of
81 convert to report the problem when the operands are promoted.
82 * c-common.c (unsigned_conversion_warning): Make static.
83 * c-common.h (unsigned_conversion_warning): Delete prototype.
85 2006-05-01 Richard Guenther <rguenther@suse.de>
87 PR tree-optimization/26726
88 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
90 (find_interesting_uses_address): ... we work around here
91 by folding INDIRECT_REFs in the substituted base.
93 2006-05-01 Diego Novillo <dnovillo@redhat.com>
95 * omp-low.c (dump_omp_region): Add newlines.
97 2006-04-30 Roger Sayle <roger@eyesopen.com>
99 * common.opt (Woverflow): New command line option.
100 * c-common.c (constant_expression_warning): Check warn_overflow.
101 (overflow_waring): Pass OPT_Woverflow to warning.
102 (unsigned_conversion_warning): Likewise.
103 (convert_and_check): Likewise.
104 * doc/invoke.texi: Document new command line option.
106 2006-04-30 David Edelsohn <edelsohn@gnu.org>
108 * config/rs6000/rs6000.c (rs6000_override_options): Enable
109 TARGET_NO_FP_IN_TOC for section anchors.
110 (optimization_options): Enable section anchors for all
111 non-"Objective" languages.
113 2006-04-28 Eric Christopher <echristo@apple.com>
115 * config/darwin-c.c (darwin_ms_struct): Move this
116 (darwin_set_default_type_attributes): and this...
117 * config/darwin.c: ... here.
118 * config/darwin.h (darwin_ms_struct): Declare.
120 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
122 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
124 2006-04-28 Roger Sayle <roger@eyesopen.com>
127 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
128 (push_array_bounds): Delete prototype. Change BOUNDS argument to
129 an unsigned HOST_WIDE_INT.
130 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
132 (really_start_incremental_init): No need to call convert because
133 bitsize_zero_node is already of type bitsizetype.
134 (push_init_level): Extract the value of constructor_index as an
135 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
136 (process_init_element): Likewise.
138 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
140 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
141 value before passing to make_relative_prefix.
143 2006-04-28 Alan Modra <amodra@bigpond.net.au>
146 * builtins.c (expand_builtin_memset): Expand val in original mode.
148 2006-04-27 Eric Christopher <echristo@apple.com>
150 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
152 * config/darwin-c.c (darwin_ms_struct): New.
153 (darwin_pragma_ms_struct): Ditto.
154 (darwin_set_default_type_attributes): Ditto.
155 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
156 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
157 Register ms_struct pragma.
158 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
159 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
160 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
161 darwin_set_default_type_attributes if TARGET_MACHO.
163 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
165 PR tree-optimization/26854
166 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
167 * doc/tree-ssa.texi: Update immuse iterator documentation.
168 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
169 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
170 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
171 first_safe_imm_use, next_safe_imm_use): Remove.
172 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
173 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
174 (move_use_after_head): New. Helper function to sort immuses in a stmt.
175 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
176 (first_imm_use_stmt): New. Get first stmt in an immuse list.
177 (next_imm_use_stmt): New. Get next stmt in an immuse list.
178 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
179 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
180 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
181 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
182 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
183 (perfect_nestify): Use new iterator.
184 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
186 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
187 (next_imm_name): New field in struct immediate_use_iterator_d.
188 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
189 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
190 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
191 * tree-cfg.c (replace_uses_by): Use new iterator.
192 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
193 * tree-ssa-operands.c (correct_use_link): Remove.
194 (finalize_ssa_use_ops): No longer call correct_use_link.
196 2006-04-27 Stuart Hastings <stuart@apple.com>
198 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
199 * config/t-darwin (crt3.o): Use it.
200 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
201 'pmode', use Pmode instead of SImode for SYMBOL_REF.
202 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
203 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
204 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
207 2006-04-27 Roger Sayle <roger@eyesopen.com>
209 * expmed.c (store_fixed_bit_field): If we're not optimizing for
210 size, force the intermediate into a new pseudo rather instead of
211 performing both a bitwise AND and a bitwise IOR in memory.
213 2006-04-27 Richard Guenther <rguenther@suse.de>
215 PR rtl-optimization/26685
216 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
217 this one "max-flow-memory-locations".
219 2006-04-27 Richard Guenther <rguenther@suse.de>
221 PR tree-optimization/25148
222 * tree-vrp.c (compare_values): Remove code dealing with
223 comparisons against type min/max value. Honour overflow
224 and negative constants in code dealing with comparisons
225 of plus and minus expressions.
226 (value_inside_range): Use fold_binary with LE_EXPR and
227 GE_EXPR rather than compare_values.
229 2006-04-27 Dirk Mueller <dmueller@suse.de>
231 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
234 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
236 * basic-block.h (safe_insert_insn_on_edge): Removed.
237 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
240 2006-04-26 David Edelsohn <edelsohn@gnu.org>
241 Paolo Bonzini <bonzini@gnu.org>
244 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
245 (simplify_and_const_int): Same.
247 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
249 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
251 2006-04-26 Jakub Jelinek <jakub@redhat.com>
254 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
255 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
256 cgraph_global_info_ready.
259 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
262 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
263 either decl or init is error_mark_node.
266 * tree-flow.h (struct omp_region): Add sched_kind.
267 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
268 instead of extracting omp for data.
269 (expand_omp_for): Save extracted sched_kind.
271 2006-04-25 Roger Sayle <roger@eyesopen.com>
273 * expmed.c (store_bit_field): Also check whether the bitsize is
274 valid for the machine's "insv" instruction before moving the
275 target into a pseudo for use with the insv.
276 * config/i386/predicates.md (const8_operand): New predicate.
277 * config/i386/i386.md (extv, extzv, insv): Use the new
278 const8_operand predicate where appropriate.
280 2006-04-25 DJ Delorie <dj@redhat.com>
282 * doc/install.texi (Specific): Clarify that this is not a list of
283 supported hosts or targets.
285 2006-04-25 Richard Sandiford <richard@codesourcery.com>
287 PR rtl-optimization/26725
288 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
289 block's BB_DIRTY flag.
291 2006-04-25 Geoffrey Keating <geoffk@apple.com>
293 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
296 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
299 2006-04-25 David Edelsohn <edelsohn@gnu.org>
301 * varasm.c (align_variable): New function.
302 (get_block_for_decl): Apply align_variable to DECL before
303 calculating section information.
304 (assemble_variable): Split out alignment computation.
306 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
308 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
311 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
313 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
314 MODE_PARTIAL_INT mode.
315 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
316 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
318 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
319 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
321 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
323 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
325 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
326 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
327 MACFLAG_IH): Likewise.
328 (movstricthi_1): Renamed from "*movstricthi".
329 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
330 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
331 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
332 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
333 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
334 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
335 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
336 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
337 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
338 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
339 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
340 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
341 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
342 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
343 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
345 * doc/rtl.texi (ss_ashift): Improve wording.
347 2006-04-24 Geoffrey Keating <geoffk@apple.com>
349 * dwarf2out.c (verify_marks_clear): New.
350 (prune_unused_types): Call verify_marks_clear initially, not
353 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
355 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
356 * doc/rtl.texi: Document them.
357 * simplify-rtx.c (simplify_unary_operation,
358 simplify_binary_operation_1): Don't abort when we see them.
360 2006-04-24 Mark Mitchell <mark@codesourcery.com>
363 2006-04-23 Mark Mitchell <mark@codesourcery.com>
364 * configure.ac: Completely disregard languages that are not
366 * configure: Regenerated.
368 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
369 Richard Guenther <rguenther@suse.de>
371 PR tree-optimization/27236
372 * tree-inline.c (copy_body_r): Make sure to copy
373 TREE_THIS_VOLATILE flag.
375 2006-04-24 Richard Guenther <rguenther@suse.de>
378 * tree-complex.c (update_parameter_components): Don't handle
379 unused parameters which have no default def.
381 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
382 Richard Guenther <rguenther@suse.de>
384 PR tree-optimization/27218
385 * tree-inline.c (expand_call_inline): Strip useless type
386 conversions for the return slot address.
388 2006-04-24 Richard Guenther <rguenther@suse.de>
390 * cfgloop.h (struct loops): Remove unused field array. Reorder
392 (LOOP_PREFETCH): Remove.
394 2006-04-24 Richard Guenther <rguenther@suse.de>
396 PR tree-optimization/22525
397 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
398 variable, adjust types of generated expressions.
400 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
402 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
403 (tree-vect-patterns.o): Likewise.
405 (cselib.o): Likewise.
406 (loop-doloop.o): Likewise.
407 (regclass.o): Likewise.
408 (reload1.o): Likewise.
409 (explow.o): Replace target.h with $(TARGET_H).
410 (ipa-prop.o): Likewise.
411 (ipa-cp.o): Likewise.
412 (ipa-inline.o): Likewise.
414 (reg-stack.o): Likewise.
416 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
418 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
420 2006-04-23 Mark Mitchell <mark@codesourcery.com>
422 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
424 * configure.ac: Completely disregard languages that are not
426 * configure: Regenerated.
429 * c-common.h (c_build_bitfield_integer_type): Declare.
430 * c-decl.c (c_build_bitfield_integer_type): Move to ...
431 * c-common.c (c_build_bitfield_integer_type): ... here.
433 2006-04-23 Roger Sayle <roger@eyesopen.com>
436 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
437 a SImode SUBREG of a floating point register after no_new_pseudos.
439 2006-04-23 Roger Sayle <roger@eyesopen.com>
441 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
442 identify potentially eliminable registers to additionally catch
443 VIRTUAL_INCOMING_ARGS_REGNUM.
444 (addsi3): Update the conditions on when to use addsi_small_int.
446 2006-04-23 Roger Sayle <roger@eyesopen.com>
449 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
450 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
451 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
453 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
455 * fold-const.c (range_predecessor): Use operand_equal_p
456 as the predicate for equality.
457 (range_successor): Likewise.
459 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
462 * config/soft-fp/op-common.h: Fix a typo.
464 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
467 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
468 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
470 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
472 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
474 * doc/tm.texi: Fix a typo.
476 2006-04-21 Geoffrey Keating <geoffk@apple.com>
478 * dwarf2out.c (struct die_struct): Document that die_sib makes
479 a circular linked list.
480 (FOR_EACH_CHILD): New.
481 (reverse_die_lists): Delete.
482 (reverse_all_dies): Delete.
483 (add_dwarf_attr): Correct documentation.
484 (remove_child_with_prev): New.
485 (remove_child_TAG): Update for change to die_struct, use
486 remove_child_with_prev.
487 (add_child_die): Update for change to die_struct.
488 (splice_child_die): Use remove_child_with_prev and add_child_die.
489 (print_die): Use FOR_EACH_CHILD.
490 (die_checksum): Likewise.
491 (assign_symbol_names): Likewise.
492 (output_location_lists): Likewise.
493 (build_abbrev_table): Likewise.
494 (calc_die_sizes): Likewise.
495 (mark_dies): Likewise.
496 (unmark_dies): Likewise.
497 (unmark_all_dies): Likewise.
498 (output_die): Likewise.
499 (prune_unused_types_mark): Likewise.
500 (prune_unused_types_walk): Likewise.
501 (same_die_p): Update for change to die_struct.
502 (break_out_includes): Likewise.
503 (prune_unused_types_prune): Likewise.
504 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
505 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
507 (dwarf2out_finish): Don't call reverse_all_dies.
509 2006-04-21 Eric Christopher <echristo@apple.com>
511 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
512 in comments and function names.
514 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
517 * c-typeck.c (digest_init): Robustify.
519 * c-typeck.c (pop_init_level): Simplify.
521 2006-04-21 Steve Ellcey <sje@cup.hp.com>
523 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
525 2006-04-21 Paul Brook <paul@codesourcery.com>
527 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
528 hardware floating point.
530 2006-04-21 David Edelsohn <edelsohn@gnu.org>
532 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
535 2006-04-21 Nick Clifton <nickc@redhat.com>
537 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
540 2006-04-21 Alan Modra <amodra@bigpond.net.au>
543 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
544 C++ lang type in traceback table for Objective-C++.
546 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
548 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
550 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
552 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
555 * tree-mudflap.c (mudflap_finish_file): Skip function when there
556 were errors. Remove check for erroneous objects.
558 2006-04-20 Jeff Law <law@redhat.com>
560 PR tree-optimization/26854
561 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
562 checking for zero or one use.
563 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
564 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
565 * tree-ssa-reassoc.c (negate_value): Similarly.
566 (reassociate_bb): Similarly.
568 2006-04-20 Jakub Jelinek <jakub@redhat.com>
570 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
571 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
572 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
574 2006-04-20 Alan Modra <amodra@bigpond.net.au>
576 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
577 fp regs if the last fp arg doesn't fit in regs.
579 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
582 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
583 that the last insn has the REG_INC note.
585 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
586 Nathan Sidwell <nathan@codesourcery.com>
589 * stor-layout.c (update_alignment_for_field): Do not align
591 (place_union_field): Place union field at the start of the union.
592 (place_field): Move ERROR_MARK check later, and use the current
593 allocation position to maintain monotonicity.
595 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
597 * dominance.c: Include timevar.h.
598 (calculate_dominance_info): Use TV_DOMINANCE.
599 * timevar.def (TV_DOMINANCE): New timevar.
600 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
602 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
604 PR rtl-optimization/14261
605 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
606 move would be an INSV insn.
607 (noce_process_if_block): Don't optimize if the destination is a
608 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
610 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
612 * config/s390/s390.md: Add comments with the instructions emitted
613 by an insn pattern if macros are used.
615 2006-04-19 Alan Modra <amodra@bigpond.net.au>
617 PR rtl-optimization/26026
618 * fold-const.c (fold_binary): Optimize div and mod where the divisor
619 is a known power of two shifted left a variable amount.
621 2006-04-18 Geoffrey Keating <geoffk@apple.com>
623 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
624 to hash table twice when the debug_str section has SECTION_MERGE.
626 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
628 * config/soft-fp: New directory. From glibc.
629 * config/soft-fp/t-softfp: New.
630 * config/soft-fp/README: New.
631 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
632 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
633 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
634 (LIBGCC_DEPS): Add $(SFP_MACHINE).
635 * config.gcc: Use rs6000/t-fprules-fpbit or
636 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
638 * config/rs6000/sfp-machine.h: New. Based on glibc.
639 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
641 * config/rs6000/t-fprules: Remove fp-bit rules.
642 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
643 * config/rs6000/t-linux64: Likewise. Remove duplicates from
644 LIB2FUNCS_EXTRA. Remove fp-bit rules.
645 (softfp_wrap_start, softfp_wrap_end): New.
647 2006-04-18 DJ Delorie <dj@redhat.com>
649 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
651 2006-04-18 Devang Patel <dpatel@apple.com>
653 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
655 2006-04-18 Nick Clifton <nickc@redhat.com>
657 * config/sh/t-symbian: Add rule to build sh-c.o
658 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
659 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
660 (sh_symbian_encode_section_info): Likewise.
662 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
664 * builtins.c (expand_builtin_strcmp): Cover label definition of
665 do_libcall with HAVE_cmpstrnsi.
667 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
669 * function.c (temp_slots_at_level, max_slot_level): Use VEC
671 * function.h (temp_slot_p): New.
672 (function): Change the type of x_used_temp_slots to
673 VEC(temp_slot_p,gc) *.
675 2006-04-18 Nick Clifton <nickc@redhat.com>
677 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
678 flag_strength_reduce.
680 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
682 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
686 Partial revert of revision 112637
687 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
688 Dale Johannesen <dalej@apple.com>
691 * regclass.c (struct reg_pref): Update documentation.
692 (regclass): Set prefclass to NO_REGS if memory is the best option.
693 (record_reg_classes): Cope with a prefclass set to NO_REGS.
695 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
697 PR tree-optimization/26821
698 * tree-ssa-math-opts.c (get_constant_one): New.
699 (insert_reciprocals): Use it.
701 2006-04-17 Geoffrey Keating <geoffk@apple.com>
703 * dwarf2out.c (free_AT): Delete.
704 (remove_AT): Update string ref counts.
705 (remove_child_TAG): Don't call free_die.
707 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
709 (prune_unused_types_walk_attribs): Reset string refcounts.
710 (prune_unused_types_update_strings): New.
711 (prune_unused_types_prune): Don't make unnecessary stores. Don't
712 call free_die. Do call prune_unused_types_update_strings.
713 (prune_unused_types): Empty debug_str_hash.
715 2006-04-17 Roger Sayle <roger@eyesopen.com>
717 * expr.c (expand_assignment): Optimize away no-op moves where the
718 source and destination are equal and have no side-effects.
720 2006-04-17 Richard Guenther <rguenther@suse.de>
723 * reload.c (push_reload): Guard calls to get_secondary_mem
726 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
728 * alias.c (reg_base_value, old_reg_base_value): Change the
729 type to VEC(rtx,gc) *.
730 (REG_BASE_VALUE, find_base_value, record_set,
731 init_alias_analysis): Use VEC instead of VARRAY.
733 * alias.c (alias_sets): Change the type to
734 VEC(alias_set_entry,gc) *.
735 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
736 VEC instead of VARRAY.
737 (last_alias_set): Remove.
739 * cgraph.h (cgraph_edge_p): New.
740 Update the prototype of cgraph_function_versioning.
741 * cgraphunit.c (cgraph_copy_node_for_versioning,
742 cgraph_function_versioning): Use VEC instead of VARRAY.
743 * ipa-cp.c (ipcp_insert_stage): Likewise.
745 2006-04-16 Roger Sayle <roger@eyesopen.com>
748 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
749 "A op B" or "A op C", we may need to convert A to the type of B and C.
751 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
753 * target.h (struct gcc_target): Add mode_rep_extended.
754 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
755 (init_num_sign_bit_copies_in_rep): Initialize it using
757 (truncate_to_mode): Use it.
758 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
759 * targhooks.h (default_mode_rep_extended): Declare it.
760 * targhooks.c (default_mode_rep_extended): Define it.
761 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
762 default_mode_rep_extended.
763 (TARGET_INITIALIZER): Include it.
764 * doc/tm.texi (Misc): Document it.
765 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
766 (mips_truncated_to_mode): New function.
768 2006-04-16 Roger Sayle <roger@eyesopen.com>
771 * expr.c (compress_float_constant): Copy the narrow constant into
772 a new pseudo before extending it to its final width.
774 2006-04-16 Roger Sayle <roger@eyesopen.com>
775 Andrew Pinski <pinskia@gcc.gnu.org>
776 Dale Johannesen <dalej@apple.com>
779 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
780 special case code to implement V8HImode and V16QImode with SSE2.
782 2006-04-15 Roger Sayle <roger@eyesopen.com>
784 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
785 trees are constructed with a suitable tree type.
787 2006-04-15 Roger Sayle <roger@eyesopen.com>
789 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
790 (integer_onep): Likewise.
791 (integer_all_onesp): Likewise.
792 (integer_pow2p): Likewise.
793 (integer_nonzerop): Likewise.
794 (real_zerop): Likewise.
795 (real_onep): Likewise.
796 (real_twop): Likewise.
797 (real_minus_onep): Likewise.
798 (int_size_in_bytes): Likewise.
799 (host_integerp): Likewise.
801 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
803 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
804 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
805 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
807 * tree-ssa-structalias.h (alias_info): Remove num_references.
809 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
811 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
812 (output_bvb patterns): Likewise.
813 * pa.c (output_bb): Use 'bb' insn for long branch case.
814 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
815 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
816 1. Correct length operand for alternatives 1 and 2.
817 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
818 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
820 2006-04-14 Roger Sayle <roger@eyesopen.com>
822 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
823 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
824 were accidentally reverted by r112959.
826 2006-04-15 Jakub Jelinek <jakub@redhat.com>
829 * except.h (eh_region_outermost): New prototype.
830 * except.c (eh_region_outermost): New function.
831 * tree-cfg.c (find_outermost_region_in_block): Use it.
833 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
835 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
837 * reload1.c (reg_equiv_memory_loc_varray): Rename to
838 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
839 (init_reload, reload): Use VEC instead of VARRAY.
840 * reload.h: Update the prototype for
841 reg_equiv_memory_loc_varray.
843 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
844 Eric Botcazou <ebotcazou@libertysurf.fr>
846 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
849 2005-04-13 Uros Bizjak <uros@kss-loka.si>
852 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
853 to expand fallback builtin function call.
855 2006-04-14 Alan Modra <amodra@bigpond.net.au>
858 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
859 and emit libcall here in case the builtin fails.
860 (expand_builtin_strcmp): Always emit the libcall here on failure.
862 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
864 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
865 * flow.c (reg_n_info): Change the type to
866 VEC(reg_info_p,heap) *.
867 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
869 * regs.h (reg_info_p): New.
870 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
871 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
872 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
875 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
877 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
879 * params.h (MAX_SCHED_READY_INSNS): New macro.
880 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
881 past MAX_SCHED_READY_INSNS during the first scheduling pass.
882 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
883 the ready list for 1 cycle during the first scheduling pass.
884 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
886 2006-04-13 Richard Henderson <rth@redhat.com>
889 * gimple-low.c (lower_omp_directive): Remove dead code.
890 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
891 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
892 * omp-low.c (struct omp_region): Move to tree-flow.h.
893 (root_omp_region): Export.
894 (omp_regions, lookup_omp_region): Remove.
895 (determine_parallel_type): Update for struct omp_region changes.
896 (dump_omp_region): Dump regions with block numbers.
897 (new_omp_region): Take type and block instead of stmt; malloc
899 (free_omp_region_1, free_omp_regions): New.
900 (expand_parallel_call): Take entry_stmt as argument; update for
901 changes to omp_region.
902 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
903 (remove_exit_barriers): New.
904 (expand_omp_parallel): Update for struct omp_region changes.
905 (expand_omp_synch): Likewise.
906 (expand_omp): Likewise.
907 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
908 (expand_omp_for_static_chunk): Likewise.
909 (expand_omp_for): Likewise.
910 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
911 (expand_omp_sections): Similarly, with GOMP_sections_end.
912 (expand_omp_single): New.
913 (build_omp_regions_1): Update for OMP_CONTINUE.
914 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
915 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
916 OMP_SECTIONS_SECTIONS.
917 (lower_omp_single_simple): Don't emit barrier here.
918 (lower_omp_single_copy): Likewise.
919 (lower_omp_single): Fix bindings, and lower to straightline now.
920 (lower_omp_master, lower_omp_ordered): Likewise.
921 (lower_omp_critical): Likewise.
922 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
923 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
924 omp edges, free it afterward.
925 (make_omp_sections_edges): Remove.
926 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
927 (move_stmt_r): Handle OMP_CONTINUE.
928 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
929 statement pointers to basic blocks. Add type member.
930 (root_omp_region, new_omp_region, free_omp_regions): Declare.
931 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
932 * tree-inline.c (estimate_num_insns_1): Likewise.
933 * tree-pretty-print.c (dump_generic_node): Likewise.
934 * tree-ssa-operands.c (get_expr_operands): Likewise.
935 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
936 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
938 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
939 (OMP_SECTIONS_SECTIONS): Remove.
940 (OMP_SECTION_LAST): New.
941 (OMP_RETURN_NOWAIT): New.
943 2006-04-13 Roger Sayle <roger@eyesopen.com>
945 * fold-const.c (native_encode_vector, native_interpret_real):
946 Correct obvious mistakes in the previous check-in.
948 2006-04-13 Roger Sayle <roger@eyesopen.com>
950 * fold-const.c (native_encode_expr): New function to encode
951 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
952 or VECTOR_CST into a specified buffer.
953 (native_encode_int): New function.
954 (native_encode_real): New function.
955 (native_encode_complex): New function.
956 (native_encode_vector): New function.
957 (native_interpret_expr): Inverse of native_encode_expr to convert
958 a target representation into an INTEGER_CST, REAL_CST etc...
959 (native_interpret_int): New function.
960 (native_interpret_real): New function.
961 (native_interpret_complex): New function.
962 (native_interpret_vector): New function.
963 (fold_view_convert_expr): New function to constant fold/evaluate
964 a VIEW_CONVERT_EXPR of a suitable constant expression.
965 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
966 Change call of build1 to fold_build1 when constructing a
969 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
970 Ulrich Weigand <uweigand@de.ibm.com>
973 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
976 2006-04-13 Alan Modra <amodra@bigpond.net.au>
979 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
980 optimize to lo_sum for DFmode if !TARGET_FPRS.
982 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
984 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
985 delete_alias_info, compute_flow_sensitive_aliasing,
986 group_aliases): Use VEC instead of VARRAY.
987 * tree-ssa-structalias.c (update_alias_info): Likewise.
988 * tree-ssa-structalias.h (alias_info): Change the type of
989 processed_ptrs to VEC(tree,heap) *.
991 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
994 * config/sh/lib1funcs.h: New file, broken out of:
995 * config/sh/lib1funcs.asm.
996 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
998 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
999 * config/sh/lib1funcs-Os-4-200.asm: New file.
1000 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1001 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1002 (EXTRA_MULTILIB_PARTS): Include it.
1003 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1004 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1005 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1006 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1009 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1011 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1012 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1013 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1015 * tree-ssa-live.h: Include vecprim.h.
1016 (tree_partition_associator_d): Change the type of
1017 first_partition to VEC(int,heap) *.
1018 (tpa_first_partition): Use VEC instead of VARRAY.
1020 * Makefile.in (GTFILES): Move functions.h after tree.h.
1021 * function.c (reset_block_changes, record_block_change,
1022 check_block_change, free_block_changes): Use VEC instead of
1024 * function.h (function): Change the type of
1025 ib_boundaries_block to VEC(tree,gc) *.
1026 * tree-inline.c (copy_cfg_body): Initialize
1027 ib_boundaries_block to NULL instead of (varray_type) 0.
1029 2006-04-12 Roger Sayle <roger@eyesopen.com>
1031 * expr.c (emit_group_store): Correct operand order in call to
1032 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1033 a SUBREG_BYTE of zero.
1035 2006-04-12 Richard Guenther <rguenther@suse.de>
1037 * profile.c (compute_branch_probabilities): Remove code
1038 encapsulated in !ir_type (), which are remanents of the
1039 removed RTL profiling code.
1040 * rtl-profile.c: Remove.
1042 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1044 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1045 magic NULL_RTX comment.
1046 (function_arg): Store entire fp arg to mem if any part should go
1048 (rs6000_arg_partial_bytes): Adjust for above change.
1050 2006-04-11 Roger Sayle <roger@eyesopen.com>
1052 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1053 if it hasn't been initialized by dwarf2out_init.
1055 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1057 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1058 symbolic constants in branch patterns.
1060 2006-04-11 Roger Sayle <roger@eyesopen.com>
1062 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1064 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1066 PR rtl-optimization/27073
1067 * gcse.c (try_replace_reg): Revert last change. Continue to search
1068 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1071 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1073 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1074 aggregate types other than record and union types.
1075 (function_arg): Likewise.
1076 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1078 (function_value): In 64-bit mode, return objects that require it
1081 2006-04-11 Roger Sayle <roger@eyesopen.com>
1083 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1085 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1087 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1089 2006-04-03 Jeff Law <law@redhat.com>
1092 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1093 alias information too.
1095 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1097 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1099 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1102 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1103 (premark_used_types_helper): New.
1104 (premark_used_types): New.
1105 (gen_subprogram_die): Call premark_used_types.
1106 (prune_unused_types_walk): Do not prune perennial dies.
1107 * function.c (used_types_insert): New.
1108 * function.h (struct function): Add used_types_hash field.
1109 (used_types_insert): Add prototype.
1110 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1111 * c-parser.c (c_parser_cast_expression): Save casted types in used
1114 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1117 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1118 rs6000_explicit_options.float_gprs.
1120 2006-04-10 Roger Sayle <roger@eyesopen.com>
1122 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1123 from ix86_expand_vector_init_low_nonzero. Take an additional
1124 one_var argument indicating which element is non-zero. Support
1125 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1126 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1127 with one_var instead of ix86_expand_vector_init_low_nonzero.
1129 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1131 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1132 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1133 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1134 build/genextract.o): Depend on vecprim.h.
1135 * cfglayout.c, df-problems.c, function.c, genextract.c,
1136 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1137 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1141 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1143 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1144 Declare VECs of this type.
1145 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1146 (remove_children): Delete.
1147 (add_dwarf_attr): Use VEC routines.
1148 (add_AT_flag): Update for changes to add_dwarf_attr.
1149 (add_AT_int): Likewise.
1150 (add_AT_unsigned): Likewise.
1151 (add_AT_long_long): Likewise.
1152 (add_AT_vec): Likewise.
1153 (add_AT_string): Likewise.
1154 (add_AT_die_ref): Likewise.
1155 (add_AT_fde_ref): Likewise.
1156 (add_AT_loc): Likewise.
1157 (add_AT_loc_list): Likewise.
1158 (add_AT_addr): Likewise.
1159 (add_AT_lbl_id): Likewise.
1160 (add_AT_lineptr): Likewise.
1161 (add_AT_macptr): Likewise.
1162 (add_AT_offset): Likewise.
1163 (add_AT_range_list): Likewise.
1164 (get_AT): Use VEC_iterate.
1165 (remove_AT): Use VEC_ordered_remove.
1166 (free_die): Fold remove_children into here; have it use VEC_iterate.
1167 (print_die): Use VEC_iterate on attrs.
1168 (reverse_die_lists): Don't reverse attr lists.
1169 (die_checksum): Use VEC_iterate on attrs.
1170 (same_die_p): Likewise.
1171 (output_location_lists): Likewise.
1172 (build_abbrev_table): Likewise.
1173 (size_of_die): Likewise.
1174 (unmark_all_dies): Likewise.
1175 (output_abbrev_section): Likewise.
1176 (output_die): Likewise.
1177 (prune_unused_types_walk_attribs): Likewise.
1179 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1181 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1183 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1186 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1188 2006-04-09 Roger Sayle <roger@eyesopen.com>
1190 * expr.c (store_constructor): Don't bother clearing target if
1191 we're about to assign a vector to it using vec_init_optab.
1193 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1195 * tree-ssa-alias.c (lhs_may_store_to): New function.
1196 (recalculate_used_alone): Handle LHS of calls.
1198 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1202 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1203 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1204 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1205 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1206 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1207 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1208 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1209 stubs. Add ".align 8" directives before all ".dword" directives.
1210 (GTHREAD_USE_WEAK): Revise comment.
1211 (TARGET_ATTRIBUTE_WEAK): Define.
1212 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1213 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1214 * stublib.c: New file.
1219 * pa.md (cbranch patterns): Revise arguments used in calls to
1220 output_cbranch, output_bb and output_bvd. Add long branch length
1222 (fbranch patterns): Handle long branches.
1223 (jump): Revise length check. Revise arguments for output_lbranch call.
1224 Add long branch length attributes.
1225 (decrement_and_branch_until_zero): Add long branch length attributes.
1226 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1227 Likewise. Revise arguments for output_parallel_addb and
1228 output_parallel_movb calls.
1229 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1230 output_parallel_movb and output_parallel_addb): Update prototypes.
1231 * pa.c (output_cbranch): Revise arguments. Correct handling of
1232 nullification in long branches.
1233 (output_lbranch): Add new argument to control extraction of delay
1235 (output_bb): Handle long branches.
1236 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1237 output_parallel_addb): Likewise.
1239 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1241 PR rtl-optimization/27073
1242 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1245 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1247 * tree.h (tree_memory_tag): Add old_used_alone.
1248 (SMT_OLD_USED_ALONE): New macro.
1249 * tree-ssa-alias.c (recalculate_used_alone): Stop
1250 marking things for renaming unnecessarily.
1252 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1254 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1255 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1256 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1257 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1258 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1259 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1260 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1261 spelling convensions.
1262 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1263 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1264 typos. Follow spelling conventions.
1266 2006-04-07 DJ Delorie <dj@redhat.com>
1268 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1269 passed on the stack.
1270 (m32c_init_cumulative_args): When a function returns a structure,
1271 always pass the pointer to that return area on the stack.
1272 (m32c_function_arg_advance): Don't increment the parameter number
1273 if we're processing the returned structure pointer.
1274 (pushm_info): Reverse order of registers.
1276 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1278 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1279 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1280 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1281 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1283 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1284 chrec_fold_multiply): Same.
1285 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1286 force_expr_to_var_cost): Same.
1287 * tree-mudflap.c (mf_xform_derefs_1): Same.
1288 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1290 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1292 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1293 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1296 2006-04-07 Jan Hubicka <jh@suse.cz>
1298 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1300 2006-04-07 Richard Guenther <rguenther@suse.de>
1302 PR tree-optimization/26135
1303 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1304 loads for store copy-prop.
1305 (copy_prop_visit_stmt): Likewise.
1307 2006-04-05 Robert Millan <robertmh@gnu.org>
1309 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1310 being overriden in config/k*bsd-gnu.h.
1311 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1313 * gcc/config/knetbsd-gnu.h: Ditto.
1315 2006-04-06 Jan Hubicka <jh@suse.cz>
1319 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1322 2006-04-06 Mike Stump <mrs@apple.com>
1324 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1325 for HAVE_nonlocal_goto to be consistent.
1326 (expand_builtin_nonlocal_goto): Likewise.
1327 (expand_builtin_strcmp): Use #ifdef instead of #if
1328 for HAVE_cmpstrnsi to be consistent.
1330 2006-04-05 DJ Delorie <dj@redhat.com>
1332 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1335 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1337 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1338 got-relative addressing for anything but SImode.
1340 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1341 even if the calling function doesn't modify them.
1343 2006-04-05 Richard Guenther <rguenther@suse.de>
1345 PR tree-optimization/26919
1346 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1347 to cgraph_estimate_size_after_inlining.
1349 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1351 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1353 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1355 PR tree-optimization/26996
1356 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1357 VECTOR_TYPE variables.
1359 2006-04-05 Richard Guenther <rguenther@suse.de>
1361 PR tree-optimization/26763
1362 * fold-const.c (fold_comparison): Move folding of
1363 PTR + CST CMP PTR + CST ...
1364 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1366 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1368 * doc/install.texi (Prerequisites): Refine some wording on
1369 bootstrapping and ksh.
1370 Move the version numbers of DejaGnu here from the testing section
1371 and fix casing of names.
1372 Fix markup and clarify wording for autogen requirements.
1373 Refer to GCJ instead of just java.
1374 Refer to SVN instead of CVS.
1375 Describe diffutils as useful instead of necessary.
1376 (Downloading the source): Refer to SVN instead of CVS.
1377 Adjust a link to our web site accordingly.
1378 (Configuration): Fix casing of Bison.
1379 (Building): Refer to SVN instead of CVS.
1380 Fix a sentence on the use of Bison and remove duplicate (and
1381 incorrect) version number of Bison requirement.
1382 Remove one redundant list of packages needed for building.
1383 (Specific): Avoid reference to CVS.
1385 2006-04-04 Eric Christopher <echristo@apple.com>
1387 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1388 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1389 (rs6000_handle_struct_attribute): New.
1390 (rs6000_ms_bitfield_layout_p): Ditto.
1392 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1394 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1395 NULL for dso parameter to atexit_common.
1397 2006-04-04 Eric Christopher <echristo@apple.com>
1399 * config/i386/i386.c (machopic_output_stub): Output \t
1400 between instructions and operands.
1402 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1404 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1405 satisfies_constraint_[IL] to explicit tests on value.
1407 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1409 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1410 set_nb_iterations_in_loop): Use build_int_cst instead of
1412 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1413 build_int_cst instead of convert.
1415 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1417 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1418 new value 2 for incoming.
1419 * function.c (expand_function_start): Call struct_value_rtx
1421 * config/sparc/sparc.md: Comment updated_return.
1422 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1423 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1424 struct return if sparc_std_struct_return and incoming is 2.
1425 (print_operand): Do not adjust return if
1426 sparc_std_struct_return.
1428 2006-04-04 Roger Sayle <roger@eyesopen.com>
1430 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1431 convert in the middle-end.
1432 * expr.c (store_expr, store_constructor, get_inner_reference,
1433 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1435 * tree.c (build_range_type): Likewise.
1437 2006-04-04 Tom Tromey <tromey@redhat.com>
1439 * doc/install.texi (Prerequisites): Mention jar.
1441 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1443 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1446 2006-04-04 Matthias Klose <doko@debian.org>
1448 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1449 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1452 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1454 * doc/extend.texi (Function Attributes): Rewrite visibility
1455 attribute documentation.
1456 * doc/invoke.texi (C++ Dialect Options): Rewrite
1457 -fvisibility-inlines-hidden documentation to describe something
1458 entirely different, although in practise compatible.
1459 (Code Gen Options): Warn about system headers in -fvisibiltity=
1462 * doc/extend.texi (Other Builtins): Document that
1463 __builtin_nan is a compile-time constant only when its argument
1466 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1468 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1469 trying to remove TRUNCATE check if all bits outside the new mode
1470 are identical to the sign bit.
1472 2006-04-03 Jeff Law <law@redhat.com>
1474 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1475 and operand scanning in some common cases.
1477 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1478 Dale Johannesen <dalej@apple.com>
1481 * regclass.c (struct reg_pref): Update documentation.
1482 (regclass): Set prefclass to NO_REGS if memory is the best option.
1483 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1484 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1485 into account. For non-registers, equate an empty preferred
1486 reload class to a `!' in the constraint; move the if clause to
1487 do so after those that reject the insn.
1488 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1490 (find_dummy_reload): Likewise.
1491 * doc/tm.texi (Register Classes): Document what it means
1492 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1493 * config/i386/i386.c (ix86_preferred_reload_class): Force
1494 using SSE registers (and return NO_REGS for floating-point
1495 constants) if math is done with SSE.
1496 (ix86_preferred_output_reload_class): New.
1497 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1498 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1499 * config/i386/i386.md: Remove # register preferences.
1501 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1504 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1505 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1506 the type of nb_iter.
1507 (instantiate_parameters_1): Convert the operands before calling
1508 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1509 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1511 2006-04-02 Roger Sayle <roger@eyesopen.com>
1513 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1514 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1516 * dojump.c (do_jump): Likewise.
1517 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1518 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1519 gimplify_boolean_expr): Likewise.
1520 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1521 * varasm.c (array_size_for_constructor): Likewise.
1522 * tree-object-size.c (compute_object_offset): Likewise.
1524 2006-04-02 Roger Sayle <roger@eyesopen.com>
1527 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1528 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1530 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1532 PR tree-optimization/26939
1533 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1535 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1537 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1538 at_stmt. Convert the type of operands before calling
1539 build_polynomial_chrec.
1540 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1542 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1543 (instantiate_parameters_1): Convert the type of operands before calling
1544 build_polynomial_chrec.
1545 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1546 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1547 reset_evolution_in_loop): Insert asserts to check the types of the
1549 (chrec_type): Moved...
1550 (eq_evolutions_p): Use operand_equal_p.
1551 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1552 the types of the operands.
1553 (chrec_type): ...here.
1554 * tree-data-ref.c (create_data_ref): Convert the operands before
1555 calling chrec_replace_initial_condition.
1556 (same_access_functions, analyze_subscript_affine_affine,
1557 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1558 (compute_subscript_distance, analyze_ziv_subscript,
1559 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1560 analyze_miv_subscript): Convert the operands before calling
1561 chrec_fold_minus or chrec_fold_plus.
1563 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1565 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1566 the dependence_relations vector.
1567 (compute_data_dependences_for_loop): Adjust call to
1568 compute_all_dependences.
1570 2006-04-01 Roger Sayle <roger@eyesopen.com>
1571 Richard Henderson <rth@redhat.com>
1573 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1574 gimple_boolify on the condition before calling gimplify_expr.
1576 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1578 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1579 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1580 the frame size. Update to use the new macros.
1581 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1582 * config/xtensa/ieee754-df.S: Likewise.
1584 2006-03-31 Richard Henderson <rth@redhat.com>
1586 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1587 (make_edges): ... here. Control fallthru creation with a local
1588 variable. Do not play with fake edges.
1589 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1590 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1593 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1595 * dwarf2.h (DW64_CIE_ID): Define.
1596 * dwarf2out.c (DWARF_CIE_ID): Define.
1597 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1598 length header. Use DWARF_CIE_ID.
1599 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1600 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1602 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1604 * config/sh/linux-atomic.asm: New file.
1605 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1607 2006-03-31 DJ Delorie <dj@redhat.com>
1609 * config/m32c/cond.md: Set condition flags properly throughout.
1610 * config/m32c/minmax.md: Likewise.
1611 * config/m32c/prologue.md: Likewise.
1612 * config/m32c/bitops.md: Likewise.
1613 * config/m32c/muldiv.md: Likewise.
1614 * config/m32c/mov.md: Likewise.
1615 * config/m32c/addsub.md: Likewise.
1616 * config/m32c/m32c.md: Likewise.
1617 * config/m32c/jump.md: Likewise.
1618 * config/m32c/shift.md: Likewise.
1620 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1621 conditionally output the pattern for this.
1622 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1623 (m32c_compare_redundant): New.
1624 (m32c_output_compare): New.
1625 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1627 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1628 dest, not src. Allow other 4-byte modes.
1630 2006-03-30 Denis Chertykov <denisc@overta.ru>
1632 * doc/md.texi: Refer to avr/constraints.md instead of
1635 2006-03-30 Roger Sayle <roger@eyesopen.com>
1637 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1638 signed vs. unsigned comparison failures on some hosts.
1640 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1643 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1644 change to FLOAT_REGS.
1646 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1647 (rs6000_override_options): Use it.
1648 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1649 only for -mabi=spe/no-spe and -mabi=altivec.
1651 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1653 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1656 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1658 * Makefile.in: Rename docdir to gcc_docdir.
1660 2006-03-30 Roger Sayle <roger@eyesopen.com>
1663 * expr.c (emit_group_store): Optimize group stores into a pseudo
1664 register by using a paradoxical subreg to initialize the destination
1665 if the first or last member of the group specifies a "low part".
1667 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1670 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1671 * target.h (struct gcc_target.speculate_insn): Change type of the
1672 second parameter to 'int'.
1673 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1674 the second operand of the DEPS_LIST.
1675 (copy_DEPS_LIST_list): Update reference to the second operand of the
1677 * rtl.h (alloc_DEPS_LIST): Update signature.
1678 * sched-int.h (ds_t): Change typedef to 'int'.
1679 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1681 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1683 * haifa-sched.c (try_ready): Change condition to restore
1684 non-speculative pattern of the instruction.
1685 (process_insn_depend_be_in_spec): Code to keep probability of the
1686 speculative dependence non-decreasing.
1688 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1690 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1691 (single_move_for_movmem): ... this. Also change all uses.
1692 (bfin_expand_strmov): Renamed to...
1693 (bfin_expand_movmem): ... this. Also change all uses.
1694 * config/bfin/bfin.md (movstrsi): Renamed to...
1695 (movstrsi): ...this.
1697 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1699 PR tree-optimization/26830
1701 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1702 (copy_prop_visit_stmt): Remove write-only variable ann.
1703 (init_copy_prop): Check variable loop depth here. Do not simulate
1704 memory-tag and virtual operand PHIs except for store copy prop.
1706 2006-03-30 Richard Guenther <rguenther@suse.de>
1708 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1709 variants with double arguments.
1711 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1713 * genpreds.c (write_tm_constrs_h): Delete variable p.
1714 * genconditions.c (write_header): Add tm-constrs.h to included
1716 * genpeep.c (main): Add toplev.h to included headers.
1717 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1718 (build/genpeep.o): Add toplev.h dependency.
1719 * config/rs6000/constraints.md: Add "W" constraint.
1721 2006-03-29 Roger Sayle <roger@eyesopen.com>
1723 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1724 sizes by correctly testing whether the size fits a host integer.
1725 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1726 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1727 SImode range for the default sizetype and bitsizetype.
1729 2006-03-29 Roger Sayle <roger@eyesopen.com>
1731 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1732 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1733 quickly if the argument is already of the correct type.
1734 Call fold_build1 instead of build1. Tidy up blank lines.
1736 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1738 * genemit.c (main): Add tm-constrs.h to included headers.
1739 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1740 * genpeep.c (main): Add tm-constrs.h to included headers.
1741 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1742 (write_tm_constrs_h): this and write complete file.
1743 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1744 (write_insn_preds_c): Add tm-constrs.h to included headers.
1745 (gen_constrs): New variable.
1746 (parse_option): Parse "-c".
1747 (main): Invoke write_tm_constrs_h.
1748 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1749 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1750 (object_out_file): Add tm-constrs.h dependency.
1751 (insn-emit.o): Same.
1752 (insn-output.o): Same.
1753 (insn-peep.o): Same.
1754 (insn-preds.o): Same.
1755 (insn-recog.o): Same.
1756 (tm-constsr.h): New target.
1757 (s-constrs-h): New target.
1759 * config/rs6000/constraints.md: New file.
1760 * config/rs6000/rs6000.c: Include tm-constrs.h.
1761 (num_insn_constant_wide): Convert to satisfies_constraint.
1762 (rs6000_rtx_costs): Convert to satisfies_constraint.
1763 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1764 (CONST_OK_FOR_LETTER_P): Delete.
1765 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1766 (EXTRA_CONSTRAINT): Delete.
1767 (EXTRA_MEMORY_CONSTRAINT): Delete.
1768 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1769 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1770 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1771 satisfies_constraint.
1773 * config/i386/i386.c: Include tm-constrs.h.
1775 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1777 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1778 * tree-data-ref.c (find_data_references_in_loop,
1779 compute_data_dependences_for_loop): Use pointers to VEC.
1780 (analyze_all_data_dependences): Adjust calls.
1781 * tree-data-ref.h (find_data_references_in_loop,
1782 compute_data_dependences_for_loop): Adjust declarations.
1783 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1784 compute_data_dependences_for_loop.
1786 2006-03-29 Paul Brook <paul@codesourcery.com>
1788 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1791 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1793 PR tree-optimization/26859
1794 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1796 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1797 for the step after fold_convert.
1799 2006-03-29 Paul Brook <paul@codesourcery.com>
1801 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1802 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1804 2006-03-29 Paul Brook <paul@codesourcery.com>
1807 * targhooks.c (default_narrow_bitfield): New fuction.
1808 * targhooks.h (default_narrow_bitfield): add prototype.
1809 * target.h (gcc_target): Add narrow_volatile_bitfield.
1810 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1811 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1812 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1813 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1815 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1817 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1819 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1820 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1821 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1822 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1823 (s390_function_arg_float): Allow SDmode and DDmode values to be
1824 passed in floating point registers.
1825 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1826 check with SCALAR_FLOAT_MODE_P.
1827 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1829 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1831 PR tree-optimization/25985
1832 * tree-ssa-loop-niter.c (number_of_iterations_le,
1833 number_of_iterations_ne): Make comments more precise.
1834 (number_of_iterations_cond): Add only_exit argument. Use the
1835 fact that signed variables do not overflow only when only_exit
1837 (loop_only_exit_p): New.
1838 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1839 number_of_iterations_cond.
1841 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1843 PR tree-optimization/26643
1844 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1847 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1849 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1850 (divsi3_i4_int): Likewise.
1852 2006-03-28 Roger Sayle <roger@eyesopen.com>
1854 * expr.c (emit_group_store): Only create a new pseudo reg if the
1855 quantity it needs to hold isn't already a suitable pseudo.
1857 2006-03-28 Jeff Law <law@redhat.com>
1859 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1860 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1862 2006-03-28 Roger Sayle <roger@eyesopen.com>
1864 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1865 the equivalent ~X & Y, and the symmetry related transformations.
1866 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1867 ~X & Y, and symmetry related transforms.
1869 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1871 Revert my 2006-03-27 patches.
1873 2006-03-28 Roger Sayle <roger@eyesopen.com>
1875 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1876 ~(T1)X, when T1 and T2 are integer types of the same precision
1877 and (T2)X isn't an extension.
1879 2006-03-28 Jeff Law <law@redhat.com>
1881 PR tree-optimization/26796
1882 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1883 need EH edge cleanups rather than purging them immediately.
1884 (eliminate_degenerate_phis): Handle queued EH cleanups.
1886 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1888 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1891 2006-03-27 Roger Sayle <roger@eyesopen.com>
1894 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1895 cast BIT_NOT_EXPR operand to the correct type.
1897 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1899 * tree-loop-linear.c: Don't include varray.h.
1900 (gather_interchange_stats, try_interchange_loops,
1901 linear_transform_loops): Use VEC instead of VARRAY.
1902 * lambda-mat.c: Don't include varray.h.
1903 * tree-chrec.c: Same.
1904 * lambda-trans.c: Same.
1905 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1906 VEC instead of VARRAY.
1907 * tree-vectorizer.h: Idem.
1908 * tree-data-ref.c (dump_data_references,
1909 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1910 initialize_data_dependence_relation, finalize_ddr_dependent,
1911 compute_all_dependences, find_data_references_in_loop,
1912 compute_data_dependences_for_loop, analyze_all_data_dependences,
1913 free_dependence_relation, free_dependence_relations,
1914 free_data_refs): Idem.
1915 * tree-data-ref.h (data_reference_p, subscript_p): New.
1916 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1917 VEC instead of VARRAY.
1918 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1919 (find_data_references_in_loop, compute_data_dependences_for_loop,
1920 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1921 dump_data_dependence_relations, free_dependence_relations,
1922 free_data_refs): Adjust declaration.
1923 (lambda_transform_legal_p): Move declaration here...
1924 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1925 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1926 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1927 vect_analyze_data_refs): Use VEC instead of VARRAY.
1928 * lambda.h (lambda_transform_legal_p): ...from here.
1929 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1930 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1931 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1932 tree-chrec.o): Don't depend on VARRAY_H.
1934 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1936 * rtl.def (Copyright): Update date.
1937 (DEPS_LIST): Change type of the second operand to 'int'.
1938 * target.h (Copyright): Update date.
1939 (struct gcc_target.speculate_insn): Change type of the second parameter
1941 * lists.c (Copyright): Update date.
1942 (alloc_DEPS_LIST): Change signature. Update reference to the second
1943 operand of the DEPS_LIST.
1944 (copy_DEPS_LIST_list): Update reference to the second operand of the
1946 * rtl.h (Copyright): Update date.
1947 (alloc_DEPS_LIST): Update signature.
1948 * sched-int.h (Copyright): Update date.
1949 (ds_t): Change typedef to 'int'.
1950 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1952 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1954 * haifa-sched.c (Copyright): Update date.
1955 (try_ready): Change condition to restore non-speculative pattern
1957 (process_insn_depend_be_in_spec): Code to keep probability of the
1958 speculative dependence non-decreasing.
1960 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1962 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1963 shut up the compiler.
1965 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1967 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1968 to use lib prefix for target.
1969 ($(T)libic_invalidate_array_4-200.a): Likewise.
1970 ($(T)libic_invalidate_array_4a.a): Likewise.
1972 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1973 J"orn Rennecke <joern.rennecke@st.com>
1975 * superh.opt: New file.
1976 * sh.c (boardtype, osruntime): Remove.
1977 * superh.h (SUBTARGET_OPTIONS): Remove.
1978 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1980 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1981 arguments with ^ and/or [].
1983 * config.gcc (sh-*-*): Add quoting to account for quirk of
1985 Replace == with = in enable_incomplete_targets test.
1987 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1988 with MASK_LITTLE_ENDIAN.
1990 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1991 * config/sh/sh.opt: Added to some comments.
1992 * config/sh/superh.h: Removed some chaff.
1994 * config/sh/sh.opt: Add m4-[1234]00* options.
1995 * config/sh/sh.c (sh_handle_option): Likewise.
1996 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1997 (ic_invalidate_array_4-100.o): New rule.
1998 ($(T)libic_invalidate_array_4-100.a): Likewise.
1999 (ic_invalidate_array_4-200.o): Likewise.
2000 ($(T)libic_invalidate_array_4-200.a): Likewise.
2001 (ic_invalidate_array_4a.o): Likewise.
2002 ($(T)libic_invalidate_array_4a.a): Likewise.
2003 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2004 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2006 * config/sh/crt1.asm: Merged in profiling code.
2007 * config/sh/superh.h (STARTFILE_SPEC): Override.
2008 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2009 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2010 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2012 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2013 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2014 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2016 * sh.opt (mpretend-cmove): New option.
2017 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2018 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2019 (movsicc): Add TARGET_PRETEND_CMOVE code.
2021 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2023 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2024 s390_class_max_nregs): New function prototypes.
2025 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2026 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2027 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2028 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2030 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2032 * dwarf2out.c (add_location_or_const_value_attribute): Call
2033 tree_add_const_value_attribute if nothing else works.
2034 (reference_to_unused): New.
2035 (rtl_for_decl_init): Use reference_to_unused to decide whether
2036 to output an initializer.
2038 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2041 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2042 peephole removing spe frob_di_df_2.
2044 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2046 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2047 (subscript_dependence_tester_1): Declared.
2048 (print_dir_vectors, print_dist_vectors): New.
2049 (debug_data_dependence_relation): New.
2050 (dump_data_dependence_relation): Print more details.
2051 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2052 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2053 (save_dist_v, save_dir_v, add_outer_distances,
2054 build_classic_dist_vector_1): New.
2055 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2056 Don't test for lambda_vector_lexico_pos.
2057 (same_access_functions, add_multivariate_self_dist,
2058 add_other_self_distances, dir_from_dist): New.
2059 (build_classic_dir_vector): Replace implementation almost identical to
2060 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2062 (subscript_dependence_tester_1): New.
2063 (subscript_dependence_tester): Handle the lexicographically negative
2064 distance vectors by recomputing the dependence relation.
2065 (compute_affine_dependence): Remove parameter loop_nest_depth.
2066 (compute_self_dependence): Don't call compute_subscript_distance.
2067 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2068 Add a parameter for the loop_nest.
2069 (find_loop_nest_1, find_loop_nest): New.
2070 (compute_data_dependences_for_loop): Compute the loop nest, and give
2071 up if the nest is not well formed.
2072 * tree-data-ref.h (loop_p): New.
2073 (struct data_dependence_relation): Replace size_vect field with
2074 loop_nest, a vec of loops.
2075 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2076 (DDR_LOOP_NEST): New.
2077 (print_dir_vectors, print_dist_vectors,
2078 debug_data_dependence_relation): Declared.
2079 (index_in_loop_nest): New.
2080 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2081 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2084 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2086 * simplify-rtx.c (simplify_relational_operation): Call
2087 simplify_relational_operation_1 even if mode is VOIDmode.
2089 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2091 PR tree-optimization/26804
2092 * tree.h (DECL_CALL_CLOBBERED): New macro.
2093 (tree_decl_common): Add call_clobbered_flag.
2094 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2095 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2096 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2097 (mark_non_addressable): Ditto.
2098 * tree-ssa.c (verify_call_clobbered): New function.
2099 (verify_alias_info): Use it.
2100 * tree-pass.h (pass_reset_cc_flags): New prototype.
2101 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2102 (reset_cc_flags): New function.
2103 * passes.c (init_optimization_passes): Call reset_cc_flags after
2104 initializing referenced_vars.
2106 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2107 Roger Sayle <roger@eyesopen.com>
2110 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2111 to 1.0 for non-real operands. Implement A / A optimization for
2114 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2116 * config/i386/i386.c (size_cost): Correct the comment for
2117 cost of storing fp registers.
2118 (i386_cost): Likewise.
2119 (i486_cost): Likewise.
2120 (pentium_cost): Likewise.
2121 (pentiumpro_cost): Likewise.
2122 (k6_cost): Likewise.
2123 (athlon_cost): Likewise.
2124 (k8_cost): Likewise.
2125 (pentium4_cost): Likewise.
2126 (nocona_cost): Likewise.
2127 (generic64_cost): Likewise.
2128 (generic32_cost): Likewise.
2130 2006-03-24 Denis Chertykov <denisc@overta.ru>
2132 * config/avr/avr-protos.h (extra_constraint): Delete.
2133 (extra_constraint_Q): New declaration.
2134 * config/avr/constraints.md: New file.
2135 * config/avr/avr.md: Include it.
2136 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2137 (TMP_REGNO, ZERO_REGNO): Likewise.
2138 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2139 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2140 (extra_constraint): Delete.
2141 (extra_constraint_Q): Test for memory constraint 'Q'.
2142 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2143 (REG_CLASS_FROM_LETTER): Delete.
2144 (CONST_OK_FOR_LETTER_P): Delete.
2145 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2146 (EXTRA_CONSTRAINT): Delete.
2147 (TMP_REGNO): Delete.
2148 (ZERO_REGNO): Delete.
2150 2006-03-24 Jeff Law <law@redhat.com>
2152 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2153 directly. Call mark_new_vars_to_rename slightly earlier.
2155 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2157 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2159 (gen_compile_unit_die): Use new language types for Objective-C and
2161 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2162 DW_LANG_C_plus_plus.
2165 * config/t-darwin (crt3.o): Work around bug 26840.
2166 * config/darwin-crt3.c: Rewrite.
2167 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2169 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2171 * doc/invoke.texi: Document -femit-class-debug-always
2172 * common.opt: Add -femit-class-debug-always.
2174 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2176 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2177 index and base register.
2178 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2179 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2180 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2181 REGNO_OK_FOR_INDEX_P.
2182 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2184 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2185 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2186 REG_OK_FOR_BASE_P): Definitions removed.
2188 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2191 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2192 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2193 set yet or weren't marked as local yet.
2195 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2197 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2200 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2202 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2203 (rs6000_legitimate_small_data_p): Delete.
2204 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2205 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2206 and make static. Add forward declaration. Update uses.
2207 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2208 of offsettable_memref_p.
2209 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2210 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2212 2006-03-24 Jeff Law <law@redhat.com>
2214 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2215 around bug in immediate-use iterator.
2217 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2220 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2221 or __LITTLE_ENDIAN__.
2223 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2225 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2226 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2227 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2228 * config/sh/sh.opt (mdiv=): Amend description.
2229 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2230 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2231 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2232 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2233 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2234 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2235 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2236 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2237 TARGET_DIVIDE_CALL_FP.
2239 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2241 * haifa-sched.c (choose_ready): Fix type of the local variable.
2242 Move local variables. Add comment.
2243 (check_reg_live): Change signature. Make callable from debugger.
2244 * sched-int.h (check_reg_live): Update signature.
2245 * sched-ebb.c (check_reg_live): Update parameters.
2246 * sched-rgn.c (check_reg_live): Ditto.
2247 (region_head_or_leaf_p): Check pointer before dereferencing.
2248 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2249 before reload on optimization levels below 1.
2251 2006-03-23 Richard Henderson <rth@redhat.com>
2253 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2257 * config/alpha/predicates.md (local_symbolic_operand): Reject
2260 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2263 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2264 expressions which have overflowed constants.
2266 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2268 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2270 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2272 * cfgloopmanip.c (create_loop_notes): Removed.
2273 * final.c (final_scan_insn): Do not handle loop notes.
2274 * jump.c (squeeze_notes): Ditto.
2275 * cfglayout.c (skip_insns_after_block,
2276 duplicate_insn_chain): Ditto.
2277 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2279 * cfgloop.h (create_loop_notes): Declaration removed.
2281 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2283 * varasm.c (output_constant_pool): Restore fnname and fndecl
2285 (assemble_start_function): Adjust call accordingly.
2286 (assemble_end_function): Likewise.
2288 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2291 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2294 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2296 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2299 * system.h (ICE_EXIT_CODE): New macro.
2300 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2301 (diagnostic_action_after_output): Likewise.
2302 * gcc.c (fatal_ice): New function.
2303 (execute): Use it instead of fatal.
2304 (fancy_abort): Likewise.
2305 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2307 2006-03-22 Jeff Law <law@redhat.com>
2309 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2310 iv_analyze_result returning false.
2312 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2314 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2316 2006-03-22 Richard Henderson <rth@redhat.com>
2319 * except.c (duplicate_eh_regions_0): New.
2320 (duplicate_eh_region_1): Duplicate the children of the node as
2321 well as the node itself. Link them up properly.
2322 (duplicate_eh_region_2): Merge into ...
2323 (duplicate_eh_regions): ... here. Take copy_region argument, and
2324 copy only a sub-tree if asked. Simplify copying and fixup.
2325 (eh_region_outer_p): New.
2326 * except.h (duplicate_eh_regions): Update decl.
2327 (eh_region_outer_p): Declare.
2328 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2329 (lower_omp_master): Likewise.
2330 (lower_omp_ordered): Likewise.
2331 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2332 (move_stmt_r): Use it to remap labels. Handle recursion vs
2333 remap_decls_p properly.
2334 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2335 (find_outermost_region_in_block): New.
2336 (new_label_mapper): New.
2337 (move_sese_region_to_fn): Copy eh information to the new function
2339 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2341 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2344 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2346 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2347 into shared libraries.
2349 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2351 * doc/md.texi: Refer to i386/constraints.md instead of
2353 * config/i386/constraints.md: New file, extracted from...
2354 * config/i386/predicates.md: ...here.
2355 * config/i386/i386.md: Include constraints.md.
2357 2006-03-21 Jason Merrill <jason@redhat.com>
2359 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2362 * expr.c (init_block_move_fn): Force default visibility.
2363 (init_block_clear_fn): Likewise.
2364 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2365 * targhooks.c (default_external_stack_protect_fail): Likewise.
2367 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2369 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2370 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2371 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2372 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2373 (loadgp): Use mips_current_loadgp_style.
2374 (loadgp_noshared): New pattern.
2375 (sibcall_internal): Use MIPS_CALL.
2376 (sibcall_value_internal): Likewise.
2377 (sibcall_value_multiple_internal): Likewise.
2378 (call_internal): Likewise.
2379 (call_value_internal): Likewise.
2380 (call_value_multiple_internal): Likewise.
2381 (call_split): Use MIPS_CALL and add an 'S' constraint.
2382 (call_value_split): Likewise.
2383 (call_value_multiple_split): Likewise.
2384 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2385 (-mshared): New option.
2386 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2387 (mips_current_loadgp_style): Declare.
2388 * config/mips/mips.c (mips_classify_symbol): Avoid using
2389 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2390 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2391 TARGET_ABSOLUTE_ABICALLS.
2392 (override_options): Adjust comments. Improve the warning that is
2393 issued when -mabicalls and -G are used together.
2394 (mips_file_start): Remove comment.
2395 (mips_current_loadgp_style): New function.
2396 (mips_gnu_local_gp): New variable.
2397 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2399 (mips_output_function_prologue): Use mips_current_laodgp_style.
2400 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2401 the cprestore instruction.
2402 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2403 live for TARGET_ABSOLUTE_ABICALLS.
2404 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2405 (ASM_SPEC): Pass down -mshared and -mno-shared.
2406 (MIPS_CALL): New macro.
2407 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2409 * doc/invoke.texi (-mabicalls): Update documentation.
2410 (-mshared): Document.
2412 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2414 * config/ia64/unwind-hpux.c: New file.
2415 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2417 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2420 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2422 2006-03-21 Jeff Law <law@redhat.com>
2424 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2425 type conversions of a VR_VARYING source to a wider type.
2427 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2429 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2430 tm_file on Solaris 10 and later.
2431 (sparc64-*-solaris2*): Likewise.
2432 (sparc-*-solaris2*): Likewise.
2433 * config/sol26.h: Rename to config/sol2-6.h.
2434 * config/sol2-10.h: New file.
2436 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2439 * tree-ssa-pre.c (create_component_ref_by_pieces):
2442 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2445 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2446 return it immediately.
2448 2006-03-21 Michael Matz <matz@suse.de>
2450 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2452 (remove_arc, add_arc): Update num_out_arcs member.
2453 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2455 (cache_presence): New function.
2456 (compare_states_for_equiv): New function.
2457 (state_is_differed): Don't take number of outargs, adjust callers.
2458 Use new invariant for speeding up.
2459 (init_equiv_class): Create initial classes based on sorted
2461 (partition_equiv_class): Don't track out_arcs_num.
2462 (evaluate_equiv_classes): Call cache_presence on all states and
2465 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2467 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2468 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2469 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2470 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2472 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2473 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2474 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2475 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2476 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2478 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2479 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2480 (REGNO_REG_CLASS): ARGP is in PREGS.
2481 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2483 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2484 to deal with those addresses.
2485 * addresses.h: New file.
2486 * caller-save.c: Include "addresses.h".
2487 (init_caller_save): Use new base_reg_class function.
2488 * rtl-factoring.c: Include "addresses.h".
2489 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2490 * recog.c: Include "addresses.h".
2491 (preprocess_constraints): Use new base_reg_class function.
2492 * regrename.c: Include "addresses.h".
2493 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2494 functions. Keep track of a new var INDEX_CODE to compute valid
2496 (replace_oldest_value_addr): Likewise.
2497 (replace_oldest_value_mem): Use base_reg_class.
2498 * reload.c: Include "addresses.h".
2499 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2500 (find_reloads): Use new base_reg_class function.
2501 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2502 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2503 all callers and prototype changed.
2504 * reload1.c: Include "addresses.h".
2505 (maybe_fix_stack_asms): Use base_reg_class.
2506 * regclass.c: Include "addresses.h".
2507 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2508 (init_reg_autoinc): Use new base_reg_class function.
2509 (record_reg_classes): Likewise.
2510 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2511 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2512 Use new args to compute necessary class.
2514 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2515 regrename.o, rtl-factoring.o): Update dependencies.
2516 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2517 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2518 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2519 REG_OK_FOR_INDEX_P): Delete documentation.
2521 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2523 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2524 from V7 to V9 for Solaris 7 and above.
2526 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2528 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2529 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2530 argument pointers may not alias any other storage.
2531 * common.opt: Define option -fargument-noalias-anything.
2532 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2533 alias semantics is specified by flag_argument_noalias > 2.
2535 2006-03-20 Jeff Law <law@redhat.com>
2537 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2538 (pass_phi_only_cprop): Declare.
2539 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2541 * tree-ssa-dom.c (degenerate_phi_result): New function.
2542 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2543 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2544 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2545 (eliminate_degenerate_phis): Likewise.
2546 (pass_phi_only_cprop): New pass descriptor.
2547 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2548 support code. Callers updated.
2549 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2550 (store_copy_prop): Likewise.
2551 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2553 2006-03-20 Jason Merrill <jason@redhat.com>
2556 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2557 (push_visibility, pop_visibility): Likewise.
2558 * c-pragma.h: Declare them.
2560 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2562 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2564 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2565 parameter and use get_ebb_head_tail.
2566 (sh_md_init_global): Adjust uses of find_regmode_weight.
2568 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2570 * function.h (struct function) <x_tail_recursion_reentry>:
2571 Rename to x_stack_check_probe_note.
2572 (tail_recursion_reentry): Rename to stack_check_probe_note.
2573 * function.c: Replace tail_recursion_reentry with
2574 stack_check_probe_note everywhere.
2575 (expand_function_start): Only emit a note for
2576 stack_check_probe_note with -fstack-protect.
2577 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2579 * emit-rtl.c (remove_unnecessary_notes): Remove.
2580 (pass_remove_unnecessary_notes): Remove.
2581 * rtl.h (remove_unnecessary_notes): Remove prototype.
2582 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2583 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2584 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2586 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2589 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2590 (valid_in_set): Handle ARRAY_REF.
2591 Change "if min_variant or VH" to asserts.
2592 (create_component_ref_by_pieces): Handle ARRAY_REF.
2593 (create_expression_by_pieces): Likewise.
2594 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2596 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2598 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2599 is operand of switch, not str[0].
2601 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2603 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2604 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2606 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2608 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2609 end of insn_extra_address_constraint declaration.
2611 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2613 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2614 (no-sum-in-toc): Same.
2615 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2617 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2618 NO_FP_IN_TOC for -fPIC instead of mask.
2620 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2621 (BOOT_LDFLAGS): Delete.
2623 * config/rs6000/t-aix52: Same.
2625 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2626 (stmsi[345678]_power): New.
2628 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2630 * config/ia64/ia64.opt: Add empty line to end of file.
2632 2006-03-17 Richard Guenther <rguenther@suse.de>
2635 * builtins.c (get_pointer_alignment): For component style references
2636 adjust alignment to the component type alignment. Make sure
2637 to adjust alignment for component access of constants.
2639 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2641 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2644 2006-03-17 Paul Brook <paul@codesourcery.com>
2646 * doc/install.texi: Docuemnt --with-mode.
2647 * config.gcc: Add --with-mode for arm*-*-*.
2648 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2650 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2652 * sh.c (max_labelno_before_reorg): New variable.
2653 (sh_reorg): Initialize it.
2654 (find_barrier): Check max_labelno_before_reorg before using
2655 label_to_alignment. Take length of explicit alignment insns
2656 into account. When seeing a UNSPECV_CONST_END, return it.
2658 * sh.c (fixup_mova): Set mode of affected label to QImode.
2659 (untangle_mova): New function.
2660 (find_barrier): Use it. Check mode of label before decrementing
2662 (sh_reorg): Likewise.
2663 Set mode of all insns back to VOIDmode.
2665 * sh.c (MOVA_LABELREF): New macro.
2666 (mova_p, fixup_mova, sh_reorg): Use it.
2667 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2668 ADDR_DIFF_VEC matches mova.
2670 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2672 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2673 with ATTRIBUTE_UNUSED.
2675 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2677 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2678 pointer, instead of assuming it is possible to derive the
2679 correct args size from a call insn.
2681 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2683 * rtl.h (CONST_INT_P): Define.
2684 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2685 instead of GET_CODE(x) == CONST_INT.
2686 (vax_rtx_costs): Likewise.
2687 (vax_output_int_move): Likewise.
2688 (vax_output_int_add): Likewise.
2689 (legitimate_constant_address_p): Likewise.
2690 (index_term_p): Likewise.
2691 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2692 * config/vax/vax.md (and<mode>3): Likewise.
2693 (ashrsi3): Likewise.
2695 (movstricthi): Likewise.
2696 (movstrictqi): Likewise.
2697 (rotrsi3): Likewise.
2698 (five unnamed insns): Likewise.
2700 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2702 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2703 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2704 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2705 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2706 Pass to ASM_OUTPUT_DWARF_OFFSET.
2707 * dwarf2out.c (debug_frame_section): New.
2708 (output_call_frame_info): Use debug_frame_section. Pass it to
2709 dw2_asm_output_offset.
2710 (output_die): Pass appropriate section to dw2_asm_output_offset.
2711 (output_compilation_unit_header): Likewise.
2712 (output_pubnames): Likewise.
2713 (output_aranges): Likewise.
2714 (enum dw_val_class): Break dw_val_class_lbl_offset into
2715 dw_val_class_lineptr and dw_val_class_macptr.
2716 (add_AT_lbl_offset): Delete.
2717 (add_AT_lineptr): New.
2718 (add_AT_macptr): New.
2719 (AT_lbl): Expect a lineptr or macptr.
2720 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2721 (attr_checksum): Likewise.
2722 (same_dw_val_p): Likewise.
2723 (size_of_die): Likewise.
2724 (value_format): Likewise.
2725 (output_die): Likewise.
2726 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2728 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2729 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2730 * config/darwin-protos.h (darwin_file_start): New.
2731 (darwin_asm_output_dwarf_offset): New.
2732 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2733 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2735 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2736 if not EH section; simplify.
2737 (darwin_file_start): New.
2738 (darwin_asm_output_dwarf_offset): New.
2739 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2741 (DEBUG_INFO_SECTION): Likewise.
2742 (DEBUG_ABBREV_SECTION): Likewise.
2743 (DEBUG_ARANGES_SECTION): Likewise.
2744 (DEBUG_MACINFO_SECTION): Likewise.
2745 (DEBUG_LINE_SECTION): Likewise.
2746 (DEBUG_LOC_SECTION): Likewise.
2747 (DEBUG_PUBNAMES_SECTION): Likewise.
2748 (DEBUG_STR_SECTION): Likewise.
2749 (DEBUG_RANGES_SECTION): Likewise.
2750 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2751 (ASM_OUTPUT_DWARF_OFFSET): New.
2753 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2755 * config.gcc (tm_defines): Always add to previous value rather
2758 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2760 * config/mips/predicates.md (splittable_const_int_operand): New,
2761 split from move_operand.
2762 (splittable_symbolic_operand): New.
2763 (move_operand): Add commentary. Use splittable_const_int_operand.
2764 Inline mips_atomic_symbolic_constant_p.
2765 * config/mips/mips.md: Add combine splitters for handling moves
2766 of splittable_const_int_operands and splittable_symbolic_operands.
2767 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2768 (mips_split_symbol): Declare.
2769 (mips_move_integer): Declare.
2770 * config/mips/mips.c (mips_split_p): Make global.
2771 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2772 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2773 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2774 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2775 (mips_offset_within_object_p): Handle block symbols.
2776 (mips_atomic_symbolic_constant_p): Delete.
2777 (mips_cannot_force_const_mem): Return false for constants that
2778 mips_legitimize_move can handle.
2779 (mips_use_blocks_for_constant_p): New function.
2780 (mips_split_symbol): Make global.
2781 (mips_move_integer): Likewise. Add a temporary register argument.
2782 (mips_legitimize_const_move): Use splittable_const_int_operand and
2783 splittable_symbolic_operand.
2784 (mips_use_anchors_for_symbol_p): New function.
2785 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2786 (mips_split_p): Declare.
2788 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2790 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2791 (mips*-*-linux*): Likewise.
2793 2006-03-16 Roger Sayle <roger@eyesopen.com>
2794 Daniel Speyer <dspeyer@wam.umd.edu>
2797 * tree-dump.c (dump_real): New function.
2798 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2799 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2800 (tree-dump.o): Add $(REAL_H) to the dependencies.
2802 2006-03-16 Roger Sayle <roger@eyesopen.com>
2805 * real.c (real_from_string): If the mantissa is zero, don't bother
2806 parsing the exponent as the result should always be zero.
2808 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2810 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2812 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2814 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2815 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2816 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2817 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2818 ia64_sched_finish_global): New static functions to implement
2819 hooks from gcc_target.sched.
2820 (spec_check_no, max_uid, pending_data_specs): New static variables.
2821 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2822 ia64_spec_check_src_p): New static functions.
2823 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2824 (TARGET_SCHED_ADJUST_COST): Removed.
2825 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2826 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2827 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2828 TARGET_SCHED_GEN_CHECK,
2829 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2830 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2831 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2832 Fixed to handle speculation checks.
2833 (rtx_needs_barrier): Fixed to handle speculative loads and
2835 (ia64_variable_issue): Added code to count speculative loads and their
2837 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2839 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2841 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2843 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2844 (ia64_reorg): Reset stops_p to NULL after it is freed.
2845 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2846 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2847 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2849 (data_speculative, control_speculative, check_load): New attributes.
2850 (mov<mode>_advanced, mov<mode>_speculative,
2851 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2852 zero_extend<mode>di2_speculative,
2853 zero_extend<mode>di2_speculative_advanced): New patterns for
2854 data and control speculative loads.
2855 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2857 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2858 New pattern for data and control speculation checks.
2859 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2860 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2861 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2862 Auxiliary definitions for the patterns.
2863 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2864 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2866 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2868 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2869 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2870 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2871 New resource constraints.
2872 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2874 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2875 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2876 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2877 msched-in-control-spec, msched-ldc, msched-control-ldc,
2878 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2879 msched-prefer-non-control-spec-insns,
2880 msched-count-spec-in-critical-path): New flags to tune speculative
2882 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2883 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2884 msched-in-control-spec, msched-ldc, msched-control-ldc,
2885 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2886 msched-prefer-non-control-spec-insns,
2887 msched-count-spec-in-critical-path): Document new flags.
2889 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2891 * target.h (struct spec_info_def): New opaque declaration.
2892 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2893 speculate_insn, needs_block_p, gen_check,
2894 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2895 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2896 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2897 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2898 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2899 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2901 (TARGET_SCHED): Use new macros.
2902 * rtl.h (copy_DEPS_LIST_list): New prototype.
2903 * sched-int.h (struct sched_info): Change signature of new_ready field,
2904 adjust all initializations. New fields: add_remove_insn,
2905 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2906 region_head_or_leaf_p.
2907 (struct spec_info_def): New structure declaration.
2908 (spec_info_t): New typedef.
2909 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2910 recovery_block, orig_pat.
2911 (glat_start, glat_end): New variables declaraions.
2912 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2914 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2915 DETACH_LIFE_INFO, USE_GLAT.
2916 (enum SPEC_SCHED_FLAGS): New enumeration.
2917 (NOTE_NOTE_BB_P): New macro.
2918 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2919 attach_life_info, debug_spec_status, check_reg_live): New functions.
2920 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2921 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2923 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2924 * ddg.c (get_block_head_tail): Adjust all uses.
2925 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2926 (sms_sched_info): Initialize new fields.
2927 (contributes_to_priority): Removed.
2928 * haifa-sched.c (params.h): New include.
2929 (get_block_head_tail): Adjust all uses.
2930 (ISSUE_POINTS): New macro.
2931 (glat_start, glat_end): New global variables.
2932 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2933 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2934 old_last_basic_block, before_recovery, current_sched_info_var,
2935 rgn_n_insns, luid): New static variables.
2936 (insn_cost1): New function. Move logic from insn_cost to here.
2937 (find_insn_reg_weight1): New function. Move logic from
2938 find_insn_reg_weight to here.
2939 (reemit_notes, move_insn, max_issue): Change signature.
2940 (move_insn1): Removed.
2941 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2942 extend_bb): New static functions to support extension of scheduler's
2944 (generate_recovery_code, process_insn_depend_be_in_spec,
2945 begin_speculative_block, add_to_speculative_block,
2946 init_before_recovery, create_recovery_block, create_check_block_twin,
2947 fix_recovery_deps): New static functions to support
2948 generation of recovery code.
2949 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2950 restore_bb_notes, move_block_after_check, move_succs): New static
2951 functions to support ebb scheduling.
2952 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2953 functions to support handling of register live information.
2954 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2955 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2956 add_jump_dependencies): New static functions.
2957 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2958 consistancy checking.
2959 (debug_spec_status): New function to call from debugger.
2960 (priority): Added code to handle speculation checks.
2961 (rank_for_schedule): Added code to distinguish speculative instructions.
2962 (schedule_insn): Added code to handle speculation checks.
2963 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2964 Fixed to handle ebbs.
2965 (move_insn): Added code to handle ebb scheduling.
2966 (max_issue): Added code to use ISSUE_POINTS of instructions.
2967 (choose_ready): Added code to choose between speculative and
2968 non-speculative instructions.
2969 (schedule_block): Added code to handle ebb scheduling and scheduling of
2970 speculative instructions.
2971 (sched_init): Initialize new variables.
2972 (sched_finish): Free new variables. Print statistics.
2973 (try_ready): Added code to handle speculative instructions.
2974 * lists.c (copy_DEPS_LIST_list): New function.
2975 * sched-deps.c (extend_dependency_caches): New function. Move logic
2976 from create_dependency_caches to here.
2977 (get_dep_weak, ds_merge): Make global.
2978 * genattr.c (main): Code to output prototype for
2979 dfa_clear_single_insn_cache.
2980 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2981 (output_dfa_clean_insn_cache_func): Code to output
2982 dfa_clear_single_insn_cache function.
2983 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2985 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2987 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2988 New static variables.
2989 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2990 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2992 (ebb_sched_info): Initialize new fields.
2993 (get_block_head_tail): Adjust all uses.
2994 (compute_jump_reg_dependencies): Fixed to use glat_start.
2995 (schedule_ebb): Code to remove unreachable last block.
2996 (schedule_ebbs): Added code to update register live information.
2997 * sched-rgn.c (region_sched_info): Initialize new fields.
2998 (get_block_head_tail): Adjust all uses.
2999 (last_was_jump): Removed. Adjust users.
3000 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3001 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3002 Implement new hooks.
3003 (check_dead_notes1): New static function.
3004 (struct region): New fields: dont_calc_deps, has_real_ebb.
3005 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3006 (BB_TO_BLOCK): Fixed to handle EBBs.
3007 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3008 (ebb_head): New static variable.
3009 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3010 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3012 (compute_dom_prob_ps): New assertion.
3013 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3014 global_live_at_start.
3015 (init_ready_list): New assertions.
3016 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3017 (new_ready): Add support for BEGIN_CONTROL speculation.
3018 (schedule_insns): Fixed code that updates register live information
3020 (schedule_region): Fixed to handle EBBs.
3021 (init_regions): Use extend_regions and check_dead_notes1.
3022 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3023 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3024 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3025 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3026 TARGET_SCHED_GEN_CHECK,
3027 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3028 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3029 * doc/invoke.texi (max-sched-insn-conflict-delay,
3030 sched-spec-prob-cutoff): Document.
3032 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3034 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3035 inter_tick, queue_index.
3036 (struct sched_info): Change signature of init_ready_list field.
3037 Adjust all initializations.
3038 (RESOLVED_DEPS): New access macro.
3039 (ready_add): Remove prototype.
3040 (try_ready): Add prototype.
3041 * sched-rgn.c (init_ready_list): Use try_ready.
3042 (schedule_region): Initialize
3043 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3044 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3045 (init_ready_list): Use try_ready.
3046 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3047 * lists.c (remove_list_elem): Remove `static'.
3048 (remove_free_INSN_LIST_elem): New function.
3049 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3050 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3051 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3053 (readyp): New variable.
3054 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3055 change_queue_index, resolve_dep): New static functions.
3056 (try_ready): New function. Adjust callers in sched-rgn.c and
3057 sched-ebb.c to use it instead of ready_add.
3058 (clock_var): Move at the begining of file.
3059 (rank_for_schedule): Fix typo.
3060 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3061 (ready_lastpos): Enforce assertion.
3062 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3064 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3065 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3066 (queue_to_ready): Use free_INSN_LIST_list.
3067 (early_queue_to_ready): Fix typo.
3068 (schedule_block): Init readyp. Move init_ready_list call after the
3069 initialization of clock_var. Fix error in rejecting insn by
3070 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3071 that previously corrected INSN_TICKs. Add code for handling
3073 (set_priorities): Fix typo.
3074 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3075 Clarify comment and code that keeps current_sched_info->next_tail
3078 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3080 * sched-rgn.c (extend_rgns): New static function.
3081 (find_rgns): Use it.
3082 (gather_region_statistics, print_region_statistics): New static
3084 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3085 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3087 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3088 Andrey Belevantsev <abel@ispras.ru>
3090 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3091 * lists.c (unused_deps_list): New variable.
3092 (free_list): Add assertions to verify the proper distinguishing
3093 between INSN_LISTs and DEPS_LISTs.
3094 (find_list_elem, remove_list_elem, remove_list_node): New static
3096 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3097 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3098 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3099 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3101 (free_INSN_LIST_node): Likewise.
3102 * modulo-sched.c (current_sched_info): Initialize flags field.
3103 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3104 * rtl.def (DEPS_LIST): Define.
3105 * rtl.h: Declare new functions from lists.c.
3106 * sched-deps.c (spec_dependency_cache): New static variable.
3107 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3108 (add_dependence): Change return type to void. Move the logic to ...
3109 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3110 (delete_all_dependences): Add comment about forward_dependency_cache.
3111 Handle spec_dependency_cache. Handle DEPS_LISTs.
3112 (fixup_sched_groups): Clarify the change of priority of output
3113 and anti dependencies.
3114 (sched_analyze_2): Adjust add_dependence calls to create data
3115 speculative dependence.
3116 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3117 Adjust all callers. Handle DEPS_LISTS.
3118 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3119 presence of speculation.
3120 (init_dependency_caches, free_dependency_caches):
3121 Handle spec_dependency_cache.
3122 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3123 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3124 New static functions.
3125 (add_or_update_back_dep, add_or_update_back_forw_dep,
3126 add_back_forw_dep, delete_back_forw_dep): New functions.
3127 * sched-int.h (ds_t, dw_t): New typedefs.
3128 (struct sched_info): Add new field flags.
3129 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3130 Prototype new sched-deps.c functions.
3131 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3132 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3133 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3134 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3135 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3136 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3138 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3140 * sched-rgn.c (current_sched_info): Initialize flags field.
3141 (schedule_insns): Initialize current_sched_info before the sched_init
3143 * sched-ebb.c (current_sched_info): Initialize flags field.
3144 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3145 Call add_or_update_back_dep instead of add_dependence.
3146 Create control speculative dependencies.
3147 (schedule_insns): Initialize current_sched_info before the sched_init
3150 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3152 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3154 (sh_fallback_frame_state): Likewise.
3156 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3158 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3159 Do switch on default_use_cxa_atexit.
3160 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3161 * config/darwin-crt3.o: New.
3162 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3163 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3164 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3166 * config/rs6000/t-darwin: Move crt2.o building to here.
3167 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3168 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3171 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3173 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3174 from '! xxx' to '!xxx' for coding-style conformance.
3175 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3176 (EXTRA_CONSTRAINT): Likewise.
3177 * config/vax/vax.md (four unnamed insns): Likewise.
3179 2006-03-15 Paul Brook <paul@codesourcery.com>
3181 * config/arm/arm.c (minipool_pad): New.
3182 (add_minipool_forward_ref): Include pool alignment padding in address
3184 (push_minipool_fix): Set minipool_pad.
3185 (minipool_pad): Ditto.
3187 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3189 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3190 instead of GET_CODE() == MEM and REG_P() instead of
3192 (print_operand_address): Likewise.
3193 (vax_address_cost): Likewise.
3194 (vax_rtx_costs): Likewise.
3195 (vax_notice_update_cc): Likewise.
3196 (vax_output_int_add): Likewise.
3197 (INDEX_REGISTER_P): Likewise.
3198 (BASE_REGISTER_P): Likewise.
3199 (nonindexed_address_p): Likewise.
3200 (vax_mode_dependent_address_p): Likewise.
3201 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3202 (PRINT_OPERAND): Likewise.
3203 * config/vax/vax.md (ashlsi3): Likewise.
3204 (ashlsi3): Likewise.
3205 (some more unnamed insns): Likewise.
3207 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3209 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3210 iterator-style macro.
3211 (mark_control_dependent_edges_necessary): Update the use of
3212 EXECUTE_IF_CONTROL_DEPENDENT.
3214 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3216 * config/sh/predicates.md (cache_address_operand): Special.
3217 (ua_address_operand): Likewise.
3219 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3221 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3223 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3225 2006-03-15 Andreas Schwab <schwab@suse.de>
3227 * gensupport.c (identify_predicable_attribute): Don't free p_false
3228 when it is still in use.
3230 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3232 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3233 the default setting here.
3235 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3237 * tree-pass.h (pass_cfg): Remove.
3238 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3239 * passes.c (pass_cfg): Don't run it.
3241 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3243 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3244 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3246 (stack_regs_mentioned): Update the uses of
3247 stack_regs_mentioned_data. Don't access the array beyond its
3249 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3250 Don't include gt-reg-stack.h.
3252 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3253 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3255 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3258 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3261 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3263 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3265 2006-03-14 Richard Guenther <rguenther@suse.de>
3267 PR tree-optimization/26672
3268 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3271 2006-03-14 Richard Guenther <rguenther@suse.de>
3273 PR tree-optimization/26667
3274 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3275 node for the callees. Always allow inlining if it will shrink
3278 2006-03-14 Richard Guenther <rguenther@suse.de>
3281 * builtins.c (get_pointer_alignment): Prefer alignment
3282 information from decls over that from types.
3284 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3287 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3289 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3291 * config/rs6000/rs6000.opt (mdlmzb): New option.
3292 (msched-prolog, msched-epilog): Use Var not Mask.
3293 * doc/invoke.texi (-mdlmzb): Document.
3294 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3296 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3297 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3299 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3301 PR rtl-optimization/25739
3302 * bt-load.c (augment_live_range): Free tos pointer.
3304 * gensupport.c (identify_predicable_attribute): Free
3306 * gcov.c (create_file_names): Free name pointer.
3308 2006-03-13 Roger Sayle <roger@eyesopen.com>
3311 * stmt.c (emit_case_nodes): Handle the case where the index is a
3312 CONST_INT, where the comparison mode is specified by the index type.
3314 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3316 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3319 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3321 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3322 (*branch_fp_inverted): Likewise.
3324 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3327 * omp-low.c (expand_omp_for_generic): Mark istart0
3328 and iend0 as addressable.
3330 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3332 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3334 2006-03-13 Jeff Law <law@redhat.com>
3336 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3337 virtual operands are interesting.
3338 (vrp_visit_stmt): Corresponding changes.
3340 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3342 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3344 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3345 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3346 * config/bfin/crti.S: Use it instead of __PIC__.
3347 * config/bfin/crtn.S: Likewise.
3349 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3350 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3352 Lose 'G' modifier for call operand.
3353 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3354 recognize 'G' modifier.
3356 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3359 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3360 * stmt.c (expand_case): Likewise.
3362 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3364 PR rtl-optimization/26254
3365 * loop-invariant.c (seq_insns_valid_p): New function.
3366 (move_invariant_reg): Only emit new code if it is valid.
3368 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3370 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3372 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3373 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3374 (commit_one_edge_insertion): Do not look for loop notes.
3376 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3378 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3379 flag_test_coverage out of loop.
3381 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3383 * final.c (shorten_branches): Remove outdated comment, and turn
3384 the if branch that guards it to continue.
3386 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3388 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3389 * cfgloop.h (struct loop): Remove unused fields.
3391 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3393 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3394 (-dL, -fdump-rtl-loop2): Update the dump file names
3396 * doc/invoke.texi: Update dump file names.
3398 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3400 * predict.c (estimate_probability): Remove.
3401 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3402 * basic-block.h (estimate_probability): Remove prototype.
3403 * passes.c (finish_optimization_passes): Dump branch prediction or
3404 profiling heuristics to the .profile tree dump.
3405 (init_optimization_passes): Unqueue pass_branch_prob.
3407 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3409 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3411 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3412 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3414 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3416 * function.h (frame_offset_overflow): Declare.
3417 * function.c (frame_offset_overflow): New function.
3418 (assign_stack_local_1): Call it to detect that the offset overflows.
3419 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3421 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3423 * config/sh/sh.c: Include alloc-pool.h.
3424 (label_ref_list_pool): New alloc pool.
3425 (label_ref_list_t): New type for lists of labels.
3426 (struct pool_node): Make wend a label_ref_list_t.
3427 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3429 (dump_table): Likewise.
3430 (sh_reorg): Set up the alloc pool before using add_constant and
3431 dump_table, and destroy it when finishing.
3433 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3435 * config/mips/mips.c: Remove redundant comment.
3437 2006-03-10 Jason Merrill <jason@redhat.com>
3440 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3441 the target was declared 'register'.
3443 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3445 * genpreds.c (write_insn_constraint_len): Change definition of
3446 insn_constraint_len to return size_t to match the declaration.
3448 2006-03-10 DJ Delorie <dj@redhat.com>
3450 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3452 (m32c_expand_insv): Fix test for an AND mask.
3454 2006-03-10 Richard Guenther <rguenther@suse.de>
3457 * builtins.c (get_pointer_alignment): Handle component
3458 references for field alignment.
3460 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3462 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3463 when building with libgloss.
3464 (sh*elf): Implement --without-fp option.
3465 (sh64-superh-linux*): Don't multilib.
3467 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3469 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3471 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3473 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3474 Set it when one of the replacement functions returned true.
3475 Return TODO_cleanup_cfg if cfgchanged is true.
3476 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3478 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3480 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3481 instead of gen_lowpart.
3483 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3485 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3487 (mips_output_order_conditional_branch): Declare.
3488 * config/mips/mips.h (MIPS_BRANCH): New macro.
3489 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3490 for the comparison. Use gen_condjump.
3491 (mips_output_conditional_branch): Rework interface to take the
3492 asm templates for a direct branch and the inverse of a direct branch.
3493 (mips_output_order_conditional_branch): New function.
3494 (mips_builtin_branch_and_move): New function.
3495 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3496 branch condition. Use gen_single_cc as the condition for
3497 __builtin_mips_upper_* or __builtin_mips_lower_*.
3498 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3499 Use VOIDmode for the branch condition.
3500 * config/mips/predicates.md (order_operator): New predicate.
3501 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3502 (branch_fp): Rename to...
3503 (*branch_fp): ...this. Remove mode from comparison operator.
3504 Use new mips_output_conditional_branch interface.
3505 (branch_fp_inverted): Rename to...
3506 (*branch_fp_inverted): ...this and update as for *branch_fp.
3507 (*branch_zero<mode>): Rename to...
3508 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3509 Use mips_output_order_conditional_branch. Only accept ordered
3511 (*branch_zero<mode>_inverted): Rename to...
3512 (*branch_order<mode>_inverted): ...this and update as for
3513 *branch_order<mode>.
3514 (*branch_equality<mode>): Accept zero as the second operand to
3515 the equality operator. Use the new mips_output_conditional_branch
3517 (*branch_equality<mode>_inverted): Likewise.
3518 (condjump): New expander.
3519 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3521 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3522 (bc1any2t, bc1any2f): Likewise.
3523 (single_cc): New expander.
3524 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3526 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3528 * doc/md.texi: Update documentation of MIPS constraints.
3529 * config/mips/constraints.md: New file.
3530 * config/mips/mips.md: Include it.
3531 * config/mips/mips.c (mips_char_to_class): Delete.
3532 (override_options): Don't initialize mips_char_to_class.
3533 * config/mips/mips.h (mips_char_to_class): Delete.
3534 (REG_CLASS_FROM_LETTER): Delete.
3535 (CONST_OK_FOR_LETTER_P): Delete.
3536 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3537 (EXTRA_CONSTRAINT_Y): Delete.
3538 (EXTRA_CONSTRAINT_STR): Delete.
3539 (CONSTRAINT_LEN): Delete.
3540 (EXTRA_MEMORY_CONSTRAINT): Delete.
3542 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3544 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3545 original fn's eh regions.
3547 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3549 * fold-const.c (build_range_check): Make sure to use a valid type to
3550 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3553 (range_predecessor): New static function.
3554 (range_successor): Likewise.
3555 (merge_ranges): Use them to compute predecessors and successors of
3558 2006-03-09 Roger Sayle <roger@eyesopen.com>
3561 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3562 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3564 2006-03-08 DJ Delorie <dj@redhat.com>
3566 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3567 (addpsi3): Expand to include memory operands. Remove
3568 reload-specific splits.
3569 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3570 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3571 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3572 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3573 (shift1_qi, shift1_hi, insv): New.
3574 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3575 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3576 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3578 * config/m32c/m32c-protos.h: Update as needed.
3579 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3580 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3581 Fail for unrecognized R* constraints.
3582 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3583 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3584 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3586 (m32c_init_libfuncs): New.
3587 (m32c_legitimate_address_p): Add debug wrapper.
3588 (m32c_rtx_costs): New.
3589 (m32c_address_cost): New.
3590 (conversions): Add 'B' prefix.
3591 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3592 operands, or word regnames for QI operands. 'B' prints bit
3594 (m32c_expand_setmemhi): New.
3595 (m32c_expand_movmemhi): New.
3596 (m32c_expand_movstr): New.
3597 (m32c_expand_cmpstr): New.
3598 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3599 (m32c_expand_neg_mulpsi3): Handle non-ints.
3600 (m32c_cmp_flg_0): New.
3601 (m32c_expand_movcc): New.
3602 (m32c_expand_insv): New.
3603 (m32c_scc_pattern): New.
3604 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3605 a0/a1 out of SIregs.
3606 (STORE_FLAG_VALUE): New.
3607 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3610 * config/m32c/mov.md: Make constraints more liberal.
3611 (zero_extendqihi2): Optimize r0/r1 case.
3612 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3613 * config/m32c/predicates.md (m32c_any_operand): New.
3614 (m32c_nonimmediate_operand): New.
3615 (m32c_hl_operand): New.
3616 (m32c_r3_operand): New.
3619 (memsym_operand): New.
3620 (memimmed_operand): New.
3621 (a_qi_operand): New.
3622 (m32c_eqne_operator): New.
3623 (m32c_1bit8_operand): New.
3624 (m32c_1bit16_operand): New.
3625 (m32c_1mask8_operand): New.
3626 (m32c_1mask16_operand): New.
3627 * config/m32c/blkmov.md: New file.
3628 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3630 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3632 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3633 unsigned to fix signed/unsigned comparison issue in
3634 DWARF2_FRAME_REG_OUT.
3635 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3636 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3638 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3639 of ptr into the ENABLE_CHECKING section.
3641 2006-03-08 Jeff Law <law@redhat.com>
3643 * tree-vrp.c (infer_value_range): Only count pointer uses
3644 and dereferences if -fdelete-null-pointer-checks is enabled.
3646 * tree-vrp.c (find_assert_locations): Infer value ranges for
3647 single use pointers, but do not create ASSERT_EXPRs for them.
3648 When a non-null range is inferred for a pointer, backwards
3649 propagate that range to other equivalent pointers through the
3652 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3655 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3656 language hook targets.
3657 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3658 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3659 if language hook targets were missing.
3661 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3663 * tree-ssa-opfinalize.h: Removed.
3664 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3666 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3667 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3668 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3669 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3670 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3671 finalize_ssa_v_must_def_ops): New.
3673 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3675 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3678 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3680 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3682 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3683 addresses with offsets; reorganize.
3685 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3686 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3687 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3689 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3692 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3694 2006-03-08 Ben Elliston <bje@au.ibm.com>
3696 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3698 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3701 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3704 2006-03-07 Richard Guenther <rguenther@suse.de>
3706 PR tree-optimization/26587
3707 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3709 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3711 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3713 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3715 * hooks.c (hook_bool_mode_rtx_true): New function.
3716 * hooks.h (hook_bool_mode_rtx_true): Declare.
3717 * toplev.c (compile_file): Call output_shared_constant_pool.
3718 * varasm.c (shared_constant_pool): New variable.
3719 (assemble_start_function, assemble_end_function): Remove arguments
3720 from call to output_constant_pool.
3721 (create_constant_pool): New function, split out from...
3722 (init_varasm_status): ...here.
3723 (force_const_mem): Choose between the shared and per-function constant
3724 pools. Set current_function_uses_const_pool when reusing old entries
3725 as well as when creating new ones.
3726 (mark_constant): Ignore data argument.
3727 (mark_constants): Remove pool argument.
3728 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3729 to decide whether the function uses a constant pool.
3730 (output_constant_pool_contents): New function, split out from...
3731 (output_constant_pool): ...here.
3732 (output_shared_constant_pool): New function.
3733 (init_varasm_once): Initialize shared_constant_pool.
3734 * output.h (output_constant_pool): Delete.
3735 (output_shared_constant_pool): Declare.
3736 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3737 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3739 2006-03-06 Nick Clifton <nickc@redhat.com>
3741 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3742 flag_strength_reduce.
3744 2006-03-06 Ben Elliston <bje@au.ibm.com>
3746 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3747 x86_64-*-linux* configurations.
3749 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3750 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3752 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3754 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3756 * basic-block.h: Remove the extern for
3757 rediscover_loops_after_threading.
3759 * cfgloop.c (cancel_loop): Make it static.
3760 * cfgloop.h: Remove the prototype for cancel_loop.
3762 * flow.c (recompute_reg_usage): Make it static.
3763 * rtl.h: Remove the prototype for recompute_reg_usage.
3765 * function.c (use_return_register): Make it static.
3766 * function.h: Remove the prototype.
3768 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3770 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3772 * recog.h: Remove the prototype for
3773 validate_change_maybe_volatile.
3775 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3777 * rtlanal.c (replace_reg): Remove.
3778 * rtl.h: Remove the prototype for replace_reg.
3780 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3782 * regclass.c (reg_scan_update): Remove.
3783 (reg_scan_mark_refs): Remove the last argument.
3784 * rtl.h: Remove the prototype for reg_scan_update.
3786 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3788 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3789 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3790 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3791 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3792 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3793 loop-invariant.c, omp-low.c, opts.c, passes.c,
3794 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3795 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3796 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3797 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3798 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3799 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3801 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3803 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3804 * dwarf2out.h: Remove the prototype for
3805 dwarf2out_add_library_unit_info.
3807 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3809 * tree.c (add_var_to_bind_expr): Remove.
3810 * tree.h: Remove the prototype for add_var_to_bind_expr.
3812 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3814 * regclass.c (n_non_fixed_regs): Remove.
3815 (init_reg_sets_1, globalize_reg): Remove all uses of
3817 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3819 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3821 * rtlanal.c (insns_safe_to_move_p): Remove.
3822 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3824 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3826 * expmed.c (expand_mult_add): Remove.
3827 * expr.h: Remove the prototype for expand_mult_add.
3829 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3831 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3832 and REG_SAVED_VAL_EXP constants.
3833 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3834 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3835 Handle regs stored by value.
3836 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3837 (execute_cfa_program): Handle DW_CFA_val_offset,
3838 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3839 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3840 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3841 (uw_install_context_1): Handle target regs stored by value.
3843 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3845 * tree-sra.c (tree_sra): Return todoflags;
3846 (generate_one_element): Set TODO_update_smt_usage if needed.
3847 (pass_sra): Remove TODO_update_smt_usage.
3848 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3850 (tree_ssa_forward_propagate_single_use_vars): Return
3851 TODO_update_smt_usage if we need to update SMT usage.
3852 (pass_forwprop): Remove TODO_update_smt_usage.
3854 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3856 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3857 (correct_use_link): Remove reference to get_stmt_operands.
3858 (update_stmt_operands): Likewise.
3859 (get_modify_expr_operands): New function factored out of
3860 parse_ssa_operands and get_expr_operands.
3861 Try to create V_MUST_DEFs for LHS by default.
3862 (get_expr_operands) <case MODIFY_EXPR>: Call
3863 get_modify_expr_operands.
3864 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3865 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3866 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3867 get_modify_expr_operands.
3869 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3871 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3872 * tree-flow.h: Remove the prototype for
3873 referenced_var_lookup_if_exists.
3875 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3877 PR rtl-optimization/26345
3879 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3881 2006-03-03 Roger Sayle <roger@eyesopen.com>
3883 PR tree-optimization/26524
3884 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3885 fold_convert to create a constant of the appropriate type.
3887 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3889 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3890 SYMBOL_REF_IN_BLOCK_P.
3891 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3892 of SYMBOL_FLAG_IN_BLOCK.
3893 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3894 instead of SYMBOL_REF_IN_BLOCK_P.
3895 * explow.c (use_anchored_address): Likewise.
3896 * rtl.c (rtx_size): Likewise.
3897 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3898 instead of SYMBOL_FLAG_IN_BLOCK.
3899 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3900 SYMBOL_REF_IN_BLOCK_P.
3901 (assemble_variable): Likewise.
3902 (output_constant_def_contents): Likewise.
3903 (output_constant_pool): Likewise.
3904 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3905 instead of SYMBOL_FLAG_IN_BLOCK.
3906 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3907 SYMBOL_REF_IN_BLOCK_P.
3908 (SYMBOL_REF_BLOCK): Likewise.
3909 (SYMBOL_REF_OFFSET): Likewise.
3910 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3911 SYMBOL_REF_IN_BLOCK_P.
3912 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3913 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3914 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3915 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3917 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3919 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3921 2006-03-02 Roger Sayle <roger@eyesopen.com>
3923 * simplify-rtx.c (simplify_unary_operation): When simplifying
3924 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3925 that we perform the right shift in the appropriate mode, and
3926 then extend or truncate the result to requested mode.
3928 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3930 * gengtype.c (main): Handle double_int type.
3931 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3932 * double-int.c: New file.
3933 * double-int.h: New file.
3934 * system.h: Include doubleint.h.
3935 * Makefile.in (SYSTEM_H): Include double-int.h.
3936 (double-int.o): Add.
3938 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3941 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3944 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3946 * tree-vrp.c (remove_range_assertions): Do not update statements
3949 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3951 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3953 * gcse.c (rest_of_handle_gcse): Ditto.
3954 * except.c (gate_handle_eh): Ditto.
3955 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3956 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3958 2006-03-02 Eric Christopher <echristo@apple.com>
3960 * config/i386/i386.c (machopic_output_stub): Add indirection to
3963 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3967 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3969 Sun Niagara specific optimizations.
3970 * config.gcc: Recognize niagara as target.
3971 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3972 (TARGET_CPU_niagara): Define.
3973 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3974 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3975 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3976 (ASM_CPU_SPEC): Likewise.
3977 (PROCESSOR_NIAGARA): New enum entry.
3978 (REGISTER_MOVE_COST): Handle Niagara.
3979 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3980 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3981 (sparc_override_options): Recognize "niagara", set appropriate
3982 default MASK_* values for it, and align functions to 32-bytes
3983 by default just like ULTRASPARC/ULTRASPARC3.
3984 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3985 (sparc64_initialize_trampoline): Likewise.
3986 (sparc_use_sched_lookahead): Use zero for niagara.
3987 (sparc_issue_rate): Use one for niagara.
3988 * config/sparc/niagara.md: New file.
3989 * config/sparc/sparc.md: Include it.
3990 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3991 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3992 when default cpu is niagara.
3993 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3994 (ASM_CPU_SPEC): Likewise.
3995 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3996 when default cpu is niagara.
3997 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3998 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3999 just like v9/ultrasparc/ultrasparc3.
4000 * doc/invoke.texi: Add documentation for "niagara" and improve
4001 existing documentation for ultrasparc variants.
4003 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4005 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4007 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4009 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4010 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4011 and say that only one is needed.
4012 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4013 * target.h (have_switchable_bss_sections): New hook.
4014 * explow.c (use_anchored_address): Check that the symbol is in a block.
4015 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4016 (bss_noswitch_section): New variables.
4017 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4018 (get_noswitch_section): New function.
4019 (get_block_for_section): Allow SECT to be null.
4020 (unlikely_text_section_p): Use SECTION_STYLE.
4021 (bss_initializer_p): New function.
4022 (get_variable_section): Move earlier in file. Take a new argument,
4023 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4024 Return one of the new *_sections in such cases.
4025 (get_block_for_decl): New function, extracting some logic from
4026 use_blocks_for_decl_p.
4027 (change_symbol_section): Remove in favor of...
4028 (change_symbol_block): ...this new function.
4029 (use_blocks_for_decl_p): Remove checks now performed by
4031 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4032 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4033 (emit_local, emit_bss, emit_common): ...these new functions.
4034 Return true if the alignment was honored.
4035 (emit_tls_common): New function.
4036 (asm_emit_uninitialised): Delete.
4037 (assemble_variable_noswitch): New function, split out from...
4038 (assemble_variable): ...here. Don't make decisions about common
4039 variables here. Globalize all public decls that go into non-common
4040 sections. Check whether SYMBOL_REF_BLOCK is null.
4041 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4042 (output_constant_pool): Likewise.
4043 (init_varasm_once): Initialize the new section variables.
4044 (have_global_bss_p): New function.
4045 (categorize_decl_for_section): Use bss_initializer_p.
4046 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4047 (place_block_symbol): Assert that the symbol must be in a block.
4048 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4049 (TARGET_INITIALIZER): Include it.
4050 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4051 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4052 (SECTION_MACH_DEP): Bump by two.
4053 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4054 (unnamed_section): Mention SECTION_UNNAMED in comment.
4055 (named_section): Likewise SECTION_NAMED.
4056 (noswitch_section_callback): New type.
4057 (noswitch_section): New structure.
4058 (section): Add a noswitch_section alternative.
4059 (SECTION_STYLE): New macro.
4060 (tls_comm_section, comm_section, lcomm_section): Declare.
4061 (bss_noswitch_section, have_global_bss_p): Declare.
4062 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4063 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4065 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4066 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4069 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4071 * gcc/tree-vrp.c (execute_vrp): Return value.
4072 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4073 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4074 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4075 (tree_lower_complex_O0): Ditto.
4076 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4077 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4078 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4079 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4080 (execute_tail_calls): Ditto.
4081 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4082 * gcc/tree.h (init_function_for_compilation): Ditto.
4083 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4084 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4085 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4086 * gcc/final.c (compute_alignments): Ditto.
4087 (rest_of_handle_final): Ditto.
4088 (rest_of_handle_shorten_branches): Ditto.
4089 (rest_of_clean_state): Ditto.
4090 * gcc/omp-low.c (execute_expand_omp): Ditto.
4091 (execute_lower_omp): Ditto.
4092 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4093 * gcc/ipa-reference.c (static_execute): Ditto.
4094 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4095 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4096 (rest_of_handle_machine_reorg): Ditto.
4097 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4098 * gcc/flow.c (recompute_reg_usage): Ditto.
4099 (rest_of_handle_remove_death_notes): Ditto.
4100 (rest_of_handle_life): Ditto.
4101 (rest_of_handle_flow2): Ditto.
4102 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4103 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4104 (do_ssa_store_ccp): Ditto.
4105 (execute_fold_all_builtins): Ditto.
4106 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4107 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4108 * gcc/ipa-pure-const.c (static_execute): Ditto.
4109 * gcc/cse.c (rest_of_handle_cse): Ditto.
4110 (rest_of_handle_cse2): Ditto.
4111 * gcc/web.c (rest_of_handle_web): Ditto.
4112 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4113 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4114 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4115 * gcc/tree-nrv.c (tree_nrv): Ditto.
4116 (execute_return_slot_opt): Ditto.
4117 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4118 (create_structure_vars): Ditto.
4119 * gcc/loop-init.c (rtl_loop_init): Ditto.
4120 (rtl_loop_done): Ditto.
4121 (rtl_move_loop_invariants): Ditto.
4122 (rtl_unswitch): Ditto.
4123 (rtl_unroll_and_peel_loops): Ditto.
4124 (rtl_doloop): Ditto.
4125 * gcc/gimple-low.c (lower_function_body): Ditto.
4126 (mark_used_blocks): Ditto.
4127 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4128 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4129 (cgraph_early_inlining): Ditto.
4130 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4131 * gcc/jump.c (cleanup_barriers): Ditto.
4132 (purge_line_number_notes): Ditto.
4133 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4134 (rest_of_handle_if_after_reload): Ditto.
4135 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4136 (tree_ssa_loop_im): Ditto.
4137 (tree_ssa_loop_unswitch): Ditto.
4138 (tree_vectorize): Ditto.
4139 (tree_linear_transform): Ditto.
4140 (tree_ssa_loop_ivcanon): Ditto.
4141 (tree_ssa_empty_loop): Ditto.
4142 (tree_ssa_loop_bounds): Ditto.
4143 (tree_complete_unroll): Ditto.
4144 (tree_ssa_loop_prefetch): Ditto.
4145 (tree_ssa_loop_ivopts): Ditto.
4146 (tree_ssa_loop_done): Ditto.
4147 * gcc/predict.c (tree_estimate_probability): Ditto.
4148 * gcc/recog.c (split_all_insns_noflow): Ditto.
4149 (rest_of_handle_peephole2): Ditto.
4150 (rest_of_handle_split_all_insns): Ditto.
4151 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4152 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4153 (rest_of_handle_stack_adjustments): Ditto.
4154 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4155 * gcc/function.c (instantiate_virtual_regs): Ditto.
4156 (init_function_for_compilation): Ditto.
4157 (rest_of_handle_check_leaf_regs): Ditto.
4158 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4159 (rest_of_handle_gcse): Ditto.
4160 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4161 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4162 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4163 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4164 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4165 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4166 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4167 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4168 * gcc/except.c (set_nothrow_function_flags): Ditto.
4169 (convert_to_eh_region_ranges): Ditto.
4170 (rest_of_handle_eh): Ditto.
4171 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4172 (remove_unnecessary_notes): Ditto.
4173 * gcc/except.h (set_nothrow_function_flags): Ditto.
4174 (convert_to_eh_region_ranges): Ditto.
4175 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4176 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4177 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4178 (execute_fre): Ditto.
4179 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4180 (rest_of_handle_jump2): Ditto.
4181 * gcc/tree-sra.c (tree_sra): Ditto.
4182 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4183 (execute_mudflap_function_decls): Ditto.
4184 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4185 (do_store_copy_prop): Ditto.
4186 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4187 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4188 * gcc/tree-ssa-forwprop.c
4189 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4190 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4191 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4192 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4193 (execute_late_warn_uninitialized): Ditto.
4194 * gcc/rtl.h (cleanup_barriers): Ditto.
4195 (split_all_insns_noflow): Ditto.
4196 (purge_line_number_notes): Ditto.
4197 (unshare_all_rtl): Ditto.
4198 (remove_unnecessary_notes): Ditto.
4199 (recompute_reg_usage): Ditto.
4200 (variable_tracking_main): Ditto.
4201 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4202 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4203 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4204 (execute_free_cfg_annotations): Ditto.
4205 (execute_fixup_cfg): Ditto.
4206 (execute_cleanup_cfg_pre_ipa): Ditto.
4207 (execute_cleanup_cfg_post_optimizing): Ditto.
4208 (execute_init_datastructures): Ditto.
4209 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4210 * gcc/combine.c (rest_of_handle_combine): Ditto.
4211 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4212 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4213 (rest_of_handle_reorder_blocks): Ditto.
4214 (rest_of_handle_partition_blocks): Ditto.
4215 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4216 * gcc/tree-profile.c (tree_profiling): Ditto.
4217 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4218 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4219 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4220 (rest_of_handle_sched2): Ditto.
4221 * gcc/basic-block.h (free_bb_insn): Ditto.
4222 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4223 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4224 (remove_useless_stmts): Ditto.
4225 (split_critical_edges): Ditto.
4226 (execute_warn_function_return): Ditto.
4227 (execute_warn_function_noreturn): Ditto.
4228 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4229 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4230 * gcc/passes.c (execute_one_pass): Run additional
4231 todos returned by execute function.
4232 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4235 2006-03-02 Richard Guenther <rguenther@suse.de>
4237 * tree-ssa-alias.c (find_used_portions): Consider taking
4238 the address as making the variable not write-only.
4240 2006-03-02 Nick Clifton <nickc@redhat.com>
4242 * config.gcc (default_use_cxa_atexit): Extend the description of
4243 this configure variable. Set its default value to "yes" for
4244 Linux, NetBSD and ELF targets on the assumption that they will
4245 use C libraries with the __cxa_atexit function.
4247 2006-03-02 Ben Elliston <bje@au.ibm.com>
4249 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4250 parameter as unused to suppress a build warning.
4252 2006-03-02 Ben Elliston <bje@au.ibm.com>
4254 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4257 2006-03-01 Roger Sayle <roger@eyesopen.com>
4260 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4261 declared name, the weak reference name, and the typeof name.
4262 (__gthrw): Avoid expanding the declared name suffix.
4263 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4265 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4267 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4269 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4270 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4271 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4272 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4273 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4274 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4275 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4276 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4277 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4278 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4279 (DW_END_default, DW_END_big, DW_END_little): New.
4280 (DW_END_lo_user, DW_END_hi_user): Define.
4281 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4282 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4283 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4286 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4288 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4290 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4292 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4294 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4296 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4297 to 'symbol_mem_tag'.
4299 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4302 2006-03-01 Roger Sayle <roger@eyesopen.com>
4304 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4306 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4309 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4310 MACHO_DYNAMIC_NO_PIC_P.
4311 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4313 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4316 * config/darwin-protos.h (darwin_asm_output_anchor):
4318 * config/darwin-sections.def (cstring_section):
4319 Add SECTION_MERGE to the flags.
4320 (literal4_section): Likewise.
4321 (literal8_section): Likewise.
4322 (objc_selector_refs_section): Likewise.
4323 (objc_cls_refs_section): Likewise.
4324 * config/darwin.c (darwin_asm_output_anchor): New
4326 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4328 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4330 Fix PR tree-optimization/26443
4331 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4332 to todo and PROP_tmt_usage to properties_destroyed.
4333 * tree-ssa-ccp.c (pass_ccp): Ditto.
4334 (pass_store_ccp): Ditto.
4335 * tree-ssa-dom.c (pass_dominator): Ditto.
4337 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4339 * tree-ssa-operands.c: Cleanup whitespace.
4340 (get_asm_expr_operands): Move before first invocation.
4341 (get_indirect_ref_operands): Likewise.
4342 (get_tmr_operands): Likewise.
4343 (get_call_expr_operands): Likewise.
4344 (append_def): Likewise.
4345 (append_use): Likewise.
4346 (append_v_may_def): Likewise.
4347 (append_v_must_def): Likewise.
4348 (add_call_clobber_ops): Likewise.
4349 (add_call_read_ops): Likewise.
4350 (add_stmt_operand): Likewise.
4351 (add_virtual_operand): Likewise.
4352 (build_ssa_operands): Likewise.
4354 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4359 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4360 with a call expr to ...
4361 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4363 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4365 * tree-vrp.c (extract_range_from_assert): Remove special
4366 handling for types with super-types.
4368 2006-03-01 Ben Elliston <bje@au.ibm.com>
4370 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4371 and powerpc64-*-linux* configurations.
4372 * config/t-dfprules: New file.
4374 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4375 Compile dfp-bit.c from the source directory using -DWIDTH and
4376 $DFP_CFLAGS to control the compilation of that file, rather than
4377 generating width-specific versions in the build directory.
4378 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4379 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4381 2006-02-28 Zack Weinberg <zackw@panix.com>
4383 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4386 2006-02-28 Eric Christopher <echristo@apple.com>
4388 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4389 Set up IN_LIBGCC definition of TARGET_64BIT.
4390 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4392 2006-02-28 Roger Sayle <roger@eyesopen.com>
4395 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4396 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4397 cases via the construction of "expr != 0".
4399 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4401 * alias.c (alias_invariant, alias_invariant_size): Remove.
4402 (record_base_value): Remove.
4403 (memrefs_conflict_p): Don't look at alias_invariant.
4404 (end_alias_analysis): Don't free it.
4405 * alias.h (record_base_value): Remove prototype.
4407 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4408 Adam Nemet <anemet@caviumnetworks.com>
4410 * rtl.h (truncated_to_mode): Declare it.
4411 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4412 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4413 (RTL_HOOKS_INITIALIZER): Include it.
4414 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4415 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4416 reg_truncated_to_mode.
4417 * rtlanal.c (truncated_to_mode): Define it.
4418 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4420 2006-02-28 Jeff Law <law@redhat.com>
4422 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4423 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4424 the range allowed by TYPE_PRECISION.
4426 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4428 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4430 PR tree-optimization/26419
4431 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4434 2006-02-27 Zack Weinberg <zackw@panix.com>
4436 * doc/md.texi: Fix typo in previous change.
4438 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4442 2006-02-27 Zack Weinberg <zackw@panix.com>
4444 * rtl.def (define_constraint, define_register_constraint)
4445 (define_memory_constraint, define_address_constraint): New MD forms.
4446 * gensupport.c (process_rtx): Put define_constraint etc on the
4448 * genpreds.c (process_define_predicate): Adjust comment. Validate
4449 the name, and call validate_exp to validate the expression.
4450 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4451 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4452 all callers changed.
4453 (validate_exp, needs_variable, struct constraint_data)
4454 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4455 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4456 (const_dbl_constraints, constraint_max_namelen)
4457 (have_register_constraints, have_memory_constraints)
4458 (have_address_constraints, have_address_constraints)
4459 (have_extra_constraints, have_const_int_constraints)
4460 (have_const_dbl_constraints, mangle, add_constraint)
4461 (process_define_constraint, process_define_register_constraint)
4462 (write_enum_constraint_num, write_lookup_constraint)
4463 (write_insn_constraint_len, write_regclass_for_constraint)
4464 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4465 (write_insn_extra_memory_constraint)
4466 (write_insn_extra_address_constraint)
4467 (write_satisfies_constraint_fns): New.
4468 (write_tm_preds_h): If we have new-style constraint definitions,
4469 prototype the functions generated from them, and define the
4470 old constraint interface (still used by generic code) in terms of
4472 (write_insn_preds_c): If we have new-style constraint definitions,
4473 generate all relevant functions from those definitions.
4474 (main): Handle define_constraint etc.
4475 * genoutput.c (struct constraint_data, indep_constraints)
4476 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4477 (mdep_constraint_len): New data structures and functions, defined
4478 #ifdef USE_MD_CONSTRAINTS.
4479 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4480 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4481 use new logic to validate operand constraints against constraint
4483 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4485 * defaults.h: If none of the old-style constraint macros are
4486 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4487 old-style macros; and poison REG_CLASS_FROM_LETTER,
4488 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4490 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4491 * doc/md.texi: Document new constraint-definition mechanism and the
4492 C interface it provides. Remove references to old mechanism
4493 elsewhere in the document.
4494 (Machine Constraints): Use pathnames relative to gcc directory,
4495 i.e. config/ARCH/FILE. Change i386 section to refer to
4496 config/i386/predicates.md; update that section to match docstrings.
4497 * doc/tm.texi: Move all documentation of the old constraint-
4498 definition macros to their own section, clearly mark as obsolete.
4500 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4501 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4503 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4504 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4505 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4507 (splits and peepholes): Use satisfies_constraint_*.
4508 * config/i386/i386.c (memory_address_length)
4509 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4511 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4513 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4514 scalar operation to be put back into the loop.
4516 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4519 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4520 (extract_cie_info): Handle S flag in augmentation string.
4521 (execute_cfa_program): If context->signal_frame, execute also
4522 fs->pc == context->ra instructions.
4523 (uw_frame_state_for): If context->signal_frame, don't subtract one
4524 from context->ra to find FDE.
4525 (uw_update_context_1): Set context->signal_frame to
4527 (_Unwind_GetIPInfo): New function.
4528 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4529 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4531 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4532 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4533 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4534 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4535 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4536 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4537 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4538 x86_64_fallback_frame_state): Set fs->signal_frame.
4539 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4540 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4541 (frob_update_context): Likewise. Workaround missing S flag in
4542 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4543 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4544 Remove the psw_addr + 1 hack.
4546 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4548 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4549 with aggregates here.
4550 (find_func_aliases): Remove code for &<aggregate> from here.
4552 2006-02-26 Roger Sayle <roger@eyesopen.com>
4554 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4555 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4556 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4559 2006-02-26 Roger Sayle <roger@eyesopen.com>
4562 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4564 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4566 * opts.c (decode_options): Do not handle flag_strength_reduce.
4567 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4568 and OPT_fstrength_reduce.
4569 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4570 flag_prefetch_loop_arrays for being nonzero.
4571 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4573 (fprefetch-loop-arrays-rtl): Removed.
4574 (flag_prefetch_loop_arrays): Do not specify the value.
4576 * doc/passes.texi: Update documentation of loop optimizer
4578 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4579 -frerun-loop-opt): Remove.
4581 2006-02-26 Richard Guenther <rguenther@suse.de>
4583 PR tree-optimization/26421
4584 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4585 in function calls that are ADDR_EXPRs as using the whole structure.
4587 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4589 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4590 * tree-pass.h (pass_loop_optimize): Remove.
4591 * passes.c (pass_loop_optimize): Never run it.
4592 * toplev.c (backend_init): Don't call init_loop.
4593 * opts.c (flag_loop_optimize_set): Remove.
4594 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4595 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4596 the old RTL loop optimizer when profiling enabled.
4597 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4598 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4599 pre-headers for the sake of the old RTL loop optimizer.
4600 * Makefile.in: Remove all references to loop.o.
4602 * doc/invoke.texi: Remove all references to -floop-optimize
4603 and -frerun-loop-opt.
4605 2006-02-26 Zack Weinberg <zackw@panix.com>
4607 * doc/md.texi (Machine Constraints): Refer to all files with paths
4608 relative to gcc directory (i.e. config/CPU/file). Add missing
4609 @table @code ... @end table to M32C subsection.
4611 2006-02-26 Roger Sayle <roger@eyesopen.com>
4613 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4615 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4617 2006-02-26 Roger Sayle <roger@eyesopen.com>
4618 James A. Morrison <phython@gcc.gnu.org>
4621 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4622 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4623 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4624 signedness of the shift operation.
4626 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4628 PR tree-optimization/26359
4629 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4631 2006-02-25 Roger Sayle <roger@eyesopen.com>
4633 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4634 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4635 as X == 0, and some symmetry related transformations.
4636 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4638 2006-02-25 Roger Sayle <roger@eyesopen.com>
4641 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4642 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4643 symmetry related transformations. Fold (X^C1) == C2 as
4646 2006-02-25 Juergen Weigert <jw@suse.de>
4647 Richard Guenther <rguenther@suse.de>
4649 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4651 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4653 * combine.c (gen_lowpart_or_truncate): Call
4654 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4656 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4658 * doc/invoke.texi: Move -fopenmp description to "Options for
4660 Remove reference to -lgomp.
4662 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4664 * doc/install.texi: Require GNU tar version 1.14.
4666 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4668 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4669 * doc/invoke.texi (C++ Dialect Options): Document
4670 -fno-use-cxa-get-exception-ptr.
4671 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4672 * configure: Regenerate.
4673 * c.opt (fuse-cxa-get-exception-ptr): New.
4674 * c-opts.c (c_common_handle_option): Handle
4675 OPT_fuse_cxa_get_exception_ptr.
4676 * c-common.c (flag_use_cxa_atexit): Update documentation.
4677 (flag_use_cxa_get_exception_ptr): New.
4678 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4679 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4681 (C_COMMON_OVERRIDE_OPTIONS): New.
4683 2006-02-24 Roger Sayle <roger@eyesopen.com>
4686 * combine.c (try_combine): Explicitly check whether GET_CODE is
4687 a SET or a CLOBBER, instead on checking that it isn't a USE.
4689 2006-02-24 Roger Sayle <roger@eyesopen.com>
4691 * fold-const.c (fold_comparison): New subroutine of fold_binary
4692 containing transformations common to both the equality and
4693 ordering relational operators, factored out of fold_binary.
4694 (fold_binary): Separate out the equality operators (EQ_EXPR
4695 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4696 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4697 transformations common to both.
4698 (fold_div_compare): Fix latent bugs in the previously unreachable
4699 LT_EXPR and GE_EXPR cases.
4701 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4703 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4704 decl libname for clog to __clog on AIX.
4706 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4708 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4711 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4712 output traceback table for thunks. Localise rs6000_stack_info call.
4714 2006-02-23 Roger Sayle <roger@eyesopen.com>
4715 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4717 * gthr-posix.h (__gthrw): Fix typo in comment.
4719 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4721 * doc/cpp.texi (Character sets): Document that we do support
4722 input files to be in any character set.
4724 2006-02-23 Jeff Law <law@redhat.com>
4726 * tree.h (PHI_ARG_NONZERO): Remove.
4727 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4728 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4729 node to the new node.
4731 PR tree-optimization/26425
4732 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4733 min/max, then assume its varying.
4735 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4737 PR rtl-optimization/26316
4738 * rtlanal.c (enum may_trap_p_flags): New.
4739 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4740 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4741 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4742 (may_trap_after_code_motion_p): New function.
4743 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4744 (find_invariant_insn): Use may_trap_after_code_motion_p.
4745 * rtl.h (may_trap_after_code_motion_p): Declare.
4747 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4749 * emit-rtl.c (immed_double_const): Cleanup.
4751 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4753 Fix PR tree-optimization/26376
4754 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4757 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4760 * gimplify.c (omp_add_variable): Guard variable size decl test with
4761 DECL_SIZE (decl) check.
4763 2006-02-23 Richard Guenther <rguenther@suse.de>
4766 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4767 like aggregate types.
4769 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4771 * configure.ac: Add --with{,out}-long-double-128 configure option.
4772 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4773 * configure: Rebuilt.
4774 * config.in: Rebuilt.
4775 * doc/install.texi (Options specification): Document
4776 --with-long-double-128.
4778 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4779 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4780 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4781 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4783 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4785 * config/s390/s390.c (override_options): Handle
4786 TARGET_DEFAULT_LONG_DOUBLE_128.
4788 * config/alpha/alpha.c (override_options): Handle
4789 TARGET_DEFAULT_LONG_DOUBLE_128.
4791 * config/sparc/sparc.c (sparc_override_options): Handle
4792 TARGET_DEFAULT_LONG_DOUBLE_128.
4794 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4796 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4797 (real-install-headers-tar, real-install-headers-cpio)
4798 (real-install-headers-cp): New targets.
4800 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4802 * tree.h (variable_section): Delete.
4803 * varasm.c (variable_section): Delete.
4805 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4807 * install.texi: Add notes on install.texi2html.
4808 (Building in parallel): Do not use footnotes.
4810 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4813 * doc/install.texi (Configuration): Document --disable-libgomp.
4815 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4817 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4819 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4821 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4822 (vec_extractv2df_0_sse): New.
4824 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4826 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4827 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4828 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4829 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4830 to the result of the expression.
4831 (def_cfa_1): Adjust.
4832 (frame_pointer_cfa_offset): Rename to...
4833 (frame_pointer_fb_offset): ... this. Adjust all uses.
4834 (convert_cfa_to_loc_list): Rename to...
4835 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4836 Pass it on to build_cfa_loc.
4837 (compute_frame_pointer_to_cfa_displacement): Rename to...
4838 (compute_frame_pointer_to_fb_displacement): ... this. New
4839 offset parameter. Use it in computation.
4840 (gen_subprogram_die): Compute cfa_fb_offset with the new
4841 macro, and use it to compute the fb loc list and the
4844 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4846 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4847 replaced with register_operand.
4848 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4849 non-DREG is expensive.
4850 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4851 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4854 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4856 * doc/install.texi2html: Use set -e.
4858 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4860 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4861 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4862 * doc/invoke.texi (-fshared-data): Delete.
4863 * common.opt (fshared-data): Delete.
4864 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4865 (assemble_static_space): Remove #if 0 code.
4866 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4867 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4868 * config/cris/cris.h: Remove FIXME.
4870 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4872 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4875 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4878 * combine.c (simplify_shift_const_1): Disable nested shifts
4879 optimization for vector shifts.
4881 2006-02-20 Roger Sayle <roger@eyesopen.com>
4883 PR tree-optimization/26361
4884 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4885 of unsigned integer types.
4887 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4889 * tree-chrec.c (eq_evolutions_p): New.
4890 * tree-chrec.h (eq_evolutions_p): Declared.
4891 * tree-data-ref.c: Fix formatting.
4892 (datadep_stats, dependence_stats): New.
4894 (print_direction_vector): New.
4895 (dump_data_dependence_relation): Use print_direction_vector.
4896 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4897 (compute_subscript_distance): Static.
4898 (initialize_data_dependence_relation): Static. Get the number
4899 of loops surrounding the references from the callers, and initialize
4900 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4901 base_object_differ_p analyzers.
4902 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4903 compute_overlap_steps_for_affine_1_2,
4904 analyze_subscript_affine_affine): Count the classified dependences.
4905 Print a message when a test failed.
4906 (can_use_analyze_subscript_affine_affine): New.
4907 (analyze_siv_subscript): Compute the data dependences on symbolic
4908 scevs that verify can_use_analyze_subscript_affine_affine.
4909 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4910 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4911 Handle symbolic scevs.
4912 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4914 (subscript_dependence_tester): Moved...
4915 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4916 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4917 DDR_SIZE_VECT instead of getting it in parameter.
4918 (subscript_dependence_tester): ... here. Take as a parameter
4919 loop_nest_depth. Call build_classic_dist_vector and
4920 build_classic_dir_vector.
4921 (compute_affine_dependence): Update subscript_dependence_tester
4922 parameters. Update datadep_stats counters. Call
4923 compute_subscript_distance.
4924 (compute_self_dependence): Save the dist and dir vectors. Call
4925 compute_subscript_distance.
4926 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4927 (compute_all_dependences): Reorder parameters as they were before
4928 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4929 compute_subscript_distance. Update the use of
4930 compute_affine_dependence and initialize_data_dependence_relation.
4931 (find_data_references_in_loop): Handle COMPONENT_REF.
4932 (compute_data_dependences_for_loop): Initialize dependence_stats.
4933 Don't call build_classic_dist_vector and build_classic_dir_vector.
4934 Update the parameters of initialize_data_dependence_relation and
4935 compute_all_dependences. Print the statistics from datadep_stats.
4936 (analyze_all_data_dependences): Static. Not used until the pass for
4937 checking the data dependences is contributed.
4938 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4939 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4940 (initialize_data_dependence_relation, compute_affine_dependence,
4941 analyze_all_data_dependences, compute_subscript_distance): Removed.
4942 (print_direction_vector): New.
4943 * lambda.h (gcd): ... here.
4944 (lambda_vector_gcd): Moved here from gcd_vector.
4945 * lambda-code.c (gcd, gcd_vector): Removed.
4946 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4947 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4949 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4951 * ipa-type-escape.c: Tidy some comments and white space.
4952 * tree-ssa-operands.c: Likewise.
4954 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4957 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4958 (dump_decl_name): Do not walk the decl tree chains.
4959 * tree-pass.h (TDF_CHAIN): Remove.
4961 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4963 * Makefile.in (C): Remove
4965 (.PHONY): Remove C and PROTO
4967 2006-02-20 Roger Sayle <roger@eyesopen.com>
4970 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4971 deprecated CHAR_TYPE tree code.
4973 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4975 * configure.ac (target_list): Add install-info, dvi, html.
4976 * configure: Regenerate.
4978 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4979 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4980 treelang/Make-lang.in: Do not use double-colon rules.
4982 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4984 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4985 (TMT_USED_ALONE): New macro.
4986 * tree-pass.h (PROP_tmt_usage): New property.
4987 (TODO_update_tmt_usage): New todo.
4988 * tree-ssa-alias.c (updating_used_alone): New variable.
4989 (recalculate_used_alone): New function.
4990 (compute_may_aliases): Set updating_used_alone, call
4991 recalculate_used_alone.
4992 * tree-sra.c (pass_sra): Note that this pass destroys
4993 PROP_tmt_usage, and add TODO_update_tmt_usage.
4994 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4995 * tree-flow.h (updating_used_alone): Prototype.
4996 (recalculate_used_alone): Ditto.
4997 * passes.c (execute_todo): Add code to set updating_used_alone,
4998 and call recalculate.
4999 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5000 for clobber if used alone, and add assert to verify used_alone
5003 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5005 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5006 for non tls symbols added.
5007 (legitimize_address): Do nothing for PLUS expressions if one of the
5008 addends is a tls symbol reference.
5010 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5014 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5016 * Makefile.in (BOOTSTRAPPING): New.
5017 (quickstrap): New definition if BOOTSTRAPPING=yes.
5019 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5020 * configure.ac: Substitute all_selected_languages with the languages
5021 that were configured. For all the other variables except
5022 lang_specs_files, include all the languages in the tree.
5023 * configure: Regenerate.
5025 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5026 if there is one. Run the commands to run fixincludes in the same
5029 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5030 * doc/install.texi: Document exact conventions for searching target tools.
5031 Document --with-build-time-tools. Document toplevel bootstrap. Document
5032 something more about building an Ada cross-compiler. Don't list GNU Make
5033 requirements which affect all platforms.
5035 2006-02-19 Roger Sayle <roger@eyesopen.com>
5038 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5039 only equivalent if the have both the same mode and precision.
5041 2006-02-20 Ben Elliston <bje@au.ibm.com>
5043 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5045 2006-02-19 Roger Sayle <roger@eyesopen.com>
5046 Steven Bosscher <stevenb.gcc@gmail.com>
5048 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5049 constant pool references to identify stack mode constants.
5050 * rtlanal.c (constant_pool_constant_p): New predicate to check
5051 whether operand is a floating point constant in the pool.
5052 * rtl.h (constant_pool_constant_p): Prototype here.
5053 * loop.c (scan_loop): Avoid hoisting constants from the constant
5054 pool on STACK_REGS targets.
5055 (load_mems): Likewise.
5056 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5057 loads into x87 registers expensive in terms of register pressure.
5059 2006-02-19 Roger Sayle <roger@eyesopen.com>
5061 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5062 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5064 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5066 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5067 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5069 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5071 * doc/invoke.texi: Document -fipa-pta.
5072 * common.opt: Add ipa-pta option.
5073 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5074 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5075 (do_ds_constraint): Ditto.
5076 (get_constraint_for): Only add to referenced_vars if
5077 referenced_vars exists.
5078 (insert_into_field_list): Rewrite to do this unsorted.
5079 (insert_into_field_list_sorted): Rename old insert_into_field_list
5081 (create_function_info_for): Use insert_into_field_list_sorted.
5082 (create_variable_info_for): Rewrite so it uses unsorted version,
5083 since the field list is sorted.
5084 (intra_create_variable_infos): Only add to referenced_vars if
5085 referenced_vars exists.
5086 (ipa_pta_execute): Init heapvars, and delete when done.
5087 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5089 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5091 * doc/install.texi: Add missing `@samp'.
5093 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5095 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5098 2006-02-18 Mark Wielaard <mark@klomp.org>
5100 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5101 who added new 4.1 features, bug fixes and integration support.
5103 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5106 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5109 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5111 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5112 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5113 (copy_insn_1): Likewise. Don't copy each field individually.
5115 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5117 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5118 * rtl.c (rtx_size): Rename variable to...
5119 (rtx_code_size): ...this.
5120 (rtx_size): New function.
5121 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5122 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5124 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5125 * rtl.h (rtx_code_size): New variable.
5126 (rtx_size): Change from a variable to a function.
5127 (RTX_SIZE): Rename to...
5128 (RTX_CODE_SIZE): ...this.
5131 PR tree-optimization/17106
5132 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5133 (Anchored Addresses): New section.
5134 * doc/invoke.texi (-fsection-anchors): Document.
5135 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5136 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5137 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5138 * hooks.c (hook_bool_mode_rtx_false): New function.
5139 * hooks.h (hook_bool_mode_rtx_false): Declare.
5140 * gengtype.c (create_optional_field): New function.
5141 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5142 SYMBOL_REF_IN_BLOCK_P is true.
5143 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5144 (min_anchor_offset, max_anchor_offset): Likewise.
5145 (use_anchors_for_symbol_p): New hook.
5146 * toplev.c (compile_file): Call output_object_blocks.
5147 (target_supports_section_anchors_p): New function.
5148 (process_options): Check that -fsection-anchors is only used on
5149 targets that support it and when -funit-at-a-time is in effect.
5150 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5151 if the decl doesn't have one.
5152 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5153 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5154 of force_const_mem through use_anchored_address.
5155 (expand_expr_constant): New function.
5156 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5157 calling expand_expr for INDIRECT_REF.
5158 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5159 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5160 * expr.h (use_anchored_address): Declare.
5161 * loop-unroll.c: Don't declare rtx vectors here.
5162 * explow.c: Include output.h.
5163 (validize_mem): Call use_anchored_address.
5164 (use_anchored_address): New function.
5165 * common.opt (-fsection-anchors): New switch.
5166 * varasm.c (object_block_htab, anchor_labelno): New variables.
5167 (hash_section, object_block_entry_eq, object_block_entry_hash)
5168 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5169 (use_blocks_for_decl_p, change_symbol_section): New functions.
5170 (get_variable_section): New function, split out from assemble_variable.
5171 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5172 use_blocks_for_decl_p say so. Use change_symbol_section if the
5173 symbol has already been created.
5174 (assemble_variable_contents): New function, split out from...
5175 (assemble_variable): ...here. Don't output any code for
5176 block symbols; just pass them to place_block_symbol.
5177 Use get_variable_section and assemble_variable_contents.
5178 (get_constant_alignment, get_constant_section, get_constant_size): New
5179 functions, split from output_constant_def_contents.
5180 (build_constant_desc): Create a block symbol if use_object_blocks_p
5181 says so. Or into SYMBOL_REF_FLAGS.
5182 (assemble_constant_contents): New function, split from...
5183 (output_constant_def_contents): ...here. Don't output any code
5184 for block symbols; just pass them to place_section_symbol.
5185 Use get_constant_section and get_constant_alignment.
5186 (force_const_mem): Create a block symbol if use_object_blocks_p and
5187 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5188 (output_constant_pool_1): Add an explicit alignment argument.
5189 Don't switch sections here.
5190 (output_constant_pool): Adjust call to output_constant_pool_1.
5191 Switch sections here instead. Don't output anything for block symbols;
5192 just pass them to place_block_symbol.
5193 (init_varasm_once): Initialize object_block_htab.
5194 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5195 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5196 (place_block_symbol, get_section_anchor, output_object_block)
5197 (output_object_block_htab, output_object_blocks): New functions.
5198 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5199 (TARGET_ASM_OUT): Include it.
5200 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5201 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5202 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5203 (TARGET_INITIALIZER): Include them.
5204 * rtl.c (rtl_check_failed_block_symbol): New function.
5205 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5206 (block_symbol, object_block): New structures.
5207 (rtx_def): Add a block_symbol field to the union.
5208 (BLOCK_SYMBOL_CHECK): New macro.
5209 (rtl_check_failed_block_symbol): Declare.
5210 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5211 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5212 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5213 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5214 * output.h (output_section_symbols): Declare.
5215 (object_block): Name structure.
5216 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5217 (default_use_anchors_for_symbol_p): Declare.
5218 * Makefile.in (RTL_BASE_H): Add vec.h.
5219 (explow.o): Depend on output.h.
5220 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5221 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5222 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5223 (rs6000_use_blocks_for_constant_p): New function.
5225 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5227 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5229 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5232 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5235 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5237 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5241 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5244 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5245 instead of DECL_REGISTER.
5247 2006-02-18 Olivier Hainque <hainque@adacore.com>
5250 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5252 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5255 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5256 * opth-gen.awk: Handle Var and InverseMask together.
5257 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5258 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5259 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5260 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5262 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5263 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5264 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5265 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5266 LINUX_DYNAMIC_LINKER): Define.
5267 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5268 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5270 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5271 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5272 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5273 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5274 (TARGET_C99_FUNCTIONS): Don't define.
5275 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5276 GLIBC_DYNAMIC_LINKER.
5277 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5278 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5279 GLIBC_DYNAMIC_LINKER64): Define.
5280 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5281 LINUX_DYNAMIC_LINKER64.
5282 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5283 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5284 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5286 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5287 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5288 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5289 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5290 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5292 and LINUX_DYNAMIC_LINKER32.
5293 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5294 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5295 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5297 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5299 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5300 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5301 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5302 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5303 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5304 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5305 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5306 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5307 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5308 LINUX_DYNAMIC_LINKER): Define.
5309 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5310 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5311 GLIBC_DYNAMIC_LINKER64): Define.
5312 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5313 LINUX_DYNAMIC_LINKER64.
5314 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5315 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5316 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5317 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5318 LINUX_DYNAMIC_LINKER): Define.
5319 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5320 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5321 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5322 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5323 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5324 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5325 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5326 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5327 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5328 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5330 * doc/invoke.texi (-muclibc): Remove caveat about supported
5333 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5335 * doc/cpp.texi (__TIMESTAMP__): Document.
5337 2006-02-17 Roger Sayle <roger@eyesopen.com>
5340 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5341 C is one less than the width of X (and related transformations).
5342 * simplify-rtx.c (simplify_unary_operation_1): Transform
5343 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5344 depending on STORE_FLAG_VALUE, were C is one less then the
5347 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5349 Fix PR tree-optimization/26341
5350 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5351 about NAME_MEMORY_TAG's.
5353 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5356 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5357 with hardware float support, and software float support. Add fcpy
5358 alternative to hardware patterns. Add alternatives to copy between
5359 general and floating-point registers to the 32-bit pattern.
5360 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5361 secondary reload to load a QI or HI mode constant into a floating
5363 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5364 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5366 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5369 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5371 (load_macho_picbase_di): Likewise.
5373 2006-02-16 Jeff Law <law@redhat.com>
5375 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5376 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5377 (ssa_name_nonzero_p): Likewise.
5378 (get_value_range): Return NULL if VRP is not running.
5379 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5380 VRP routines do not discover a range.
5381 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5382 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5383 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5384 (tree_expr_nonnegative_p): Similarly.
5385 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5386 (restore_nonzero_vars_to_original_value): Remove.
5387 (unsafe_associative_fp_binop): Remove.
5388 (tree_ssa_dominator_optimize): Remove initialization and
5389 finalization of nonzero_vars and nonzero_vars_stack.
5390 (dom_opt_initialize_block): No longer push marker on
5392 (dom_opt_finalize_block): No longer call
5393 restore_nonzero_vars_to_original_value.
5394 (record_equivalences_from_phis): No longer look for
5395 nonzero PHI arguments.
5396 (cprop_into_successor_phis): No longer propagate nonzero
5397 property into PHI arguments. Lose unused argument. Caller
5399 (record_equivalences_from_stmt): No longer record nonzero
5400 values for SSA_NAMEs.
5401 (lookup_avail_expr): No longer use nonzero_vars.
5403 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5404 for sizetype when sizetype is unsigned.
5406 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5408 PR rtl-optimization/25603
5409 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5410 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5411 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5412 with new meaning of SETS.
5414 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5419 * config/linux.opt: New file.
5420 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5421 LINUX_DYNAMIC_LINKER): Define.
5422 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5423 * config.gcc (*-*-linux*): Define extra_options.
5424 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5425 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5426 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5427 GLIBC_DYNAMIC_LINKER.
5428 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5429 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5430 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5432 * doc/invoke.texi (GNU/Linux Options): New section.
5434 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5436 * config/sparc/sparc.md (setjmp): Rewrite.
5437 (setjmp_32): Delete.
5438 (setjmp_64): Likewise.
5440 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5442 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5445 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5447 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5450 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5452 PR rtl-optimization/26296
5453 * Makefile.in (loop-invariant.c): Add except.h dependency.
5454 * loop-invariant.c: Include except.h.
5455 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5457 2005-02-16 Paul Brook <paul@codesourcery.com>
5459 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5462 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5464 PR rtl-optimization/25636
5465 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5466 when deciding whether an insn is an initializing insn.
5468 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5470 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5471 (tree_code_size): Ditto.
5472 * tree.h (struct tree_memory_tag): Remove parent_var.
5473 (struct tree_struct_field_tag): New.
5476 (union tree_node): Add sft member.
5477 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5479 (create_sft): Add size and offset argument, set SFT_OFFSET and
5481 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5482 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5483 * tree-flow-inline.h (get_subvar_at): Update for
5484 SFT_OFFSET/SFT_SIZE.
5485 (var_can_have_subvars): Ditto.
5486 (overlap_subvar): Ditto.
5487 * print-tree.c (print_node): Print out interesting things for
5489 * tree-flow.h (struct subvar): Remove offset and size members.
5490 * tree-ssa-operands.c (get_expr_operands): Update for
5491 get_indirect_ref_operands changes.
5492 (get_indirect_ref_operands): Call add_virtual_operand instead of
5493 add_stmt_operand. Only recurse on base var if requested.
5494 (access_can_touch_variable): New function.
5495 (add_stmt_operand): Split virtual operand handling into ...
5496 (add_virtual_operand): Here. Add offset, size, and for_clobber
5497 arguments. Prune alias sets.
5498 (add_call_clobber_ops): Call add_virtual_operand.
5500 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5503 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5505 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5506 than TREE_CODE as index into omp_clause_num_ops array.
5508 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5510 PR rtl-optimization/26184
5511 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5513 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5514 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5515 must_precede, must_follow and tobe_scheduled.
5518 * opts.c (common_handle_option): Free new_option pointer.
5519 * df-core.c (df_analyze): Free postorder pointer.
5521 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5523 * Makefile.in: Fix the examples about the use of stamps
5525 2006-02-15 Michael Matz <matz@suse.de>
5529 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5530 influenced by maximum_field_alignment or DECL_PACKED.
5531 (update_alignment_for_field): Ditto.
5532 (place_field): Ditto.
5533 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5536 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5538 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5539 (debug_flow_info): Pass it.
5540 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5541 * bb-reorder.c (reorder_basic_blocks): Likewise.
5542 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5543 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5544 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5545 * gcse.c (gcse_main, bypass_jumps): Likewise.
5546 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5547 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5548 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5549 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5550 * rtl.h (dump_flow_info): Adjust prototype.
5551 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5552 * var-tracking.c (variable_tracking_main): Likewise.
5553 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5554 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5557 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5559 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5562 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5564 PR tree-optimization/26209
5565 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5566 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5568 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5570 2006-02-14 Roger Sayle <roger@eyesopen.com>
5573 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5574 (X,Y) and the corresponding symmetry related transformations.
5575 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5576 (X,Y) and its symmetry related transformations.
5578 2006-02-14 Roger Sayle <roger@eyesopen.com>
5580 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5583 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5585 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5587 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5590 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5591 support COMDAT group.
5592 * configure: Regenerate.
5594 2006-02-14 Roger Sayle <roger@eyesopen.com>
5599 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5601 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5603 Fix PR tree-optimization/26260
5605 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5607 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5608 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5609 * tree-ssa-structalias.c (create_variable_info_for): Use
5610 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5612 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5614 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5616 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5617 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5618 of the ending condition.
5619 * tree-ssa-loop-manip.c: Include params.h.
5620 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5621 tree_unroll_loop): New functions.
5622 * tree-pass.h (pass_loop_prefetch): Declare.
5623 * loop.c (rest_of_handle_loop_optimize): Test for
5624 -fprefetch-loop-arrays-rtl.
5625 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5626 * timevar.def (TV_TREE_PREFETCH): New timevar.
5627 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5628 pass_loop_prefetch): New.
5629 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5630 (cleanup_tree_cfg_loop): Call scev_reset.
5631 * common.opt (fprefetch-loop-arrays-rtl): Add.
5632 * tree-ssa-loop-prefetch.c: New file.
5633 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5634 (new_temp_expr_table): Initialize expr_vars.
5635 (free_temp_expr_table): Cleanup expr_vars.
5636 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5637 expressions from being merged into one.
5638 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5639 (struct tree_niter_desc): Add control, bound and cmp fields.
5640 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5642 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5643 (tree-cfgcleanup.o): Add SCEV_H dependency.
5644 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5645 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5647 2006-02-14 Richard Guenther <rguenther@suse.de>
5649 PR tree-optimization/26258
5650 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5651 in PHI argument processing.
5653 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5655 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5656 new expression in the requested machine mode.
5658 2006-02-13 Roger Sayle <roger@eyesopen.com>
5660 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5661 directly, instead let do_compare_rtx_and_jump handle this for us.
5662 * expr.c (expand_expr_real_1): Likewise.
5663 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5664 before do_jump_by_parts_greater.
5665 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5666 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5668 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5670 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5672 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5674 PR rtl-optimization/26235
5675 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5676 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5679 2006-02-13 Jeff Law <law@redhat.com>
5681 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5684 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5687 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5688 twice if decl is a builtin. When trying again, call get_callee_fndecl
5689 first to verify it is still a builtin.
5691 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5693 * dwarf2out.c (base_type_die): Don't add AT_name here.
5694 (subrange_type_die): Don't add AT_name here.
5695 (modified_type_die): Rearrange code flow. Do add AT_name here.
5697 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5699 PR rtl-optimization/26247
5700 PR rtl-optimization/26248
5701 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5703 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5705 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5706 * config/fixtfdi.c: Likewise.
5707 * config/fixunstfdi.c: Likewise.
5708 * config/floatditf.c: Likewise.
5710 2006-02-13 Roger Sayle <roger@eyesopen.com>
5713 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5714 into (X,C2) if C1 is a subset of the bits of C2. Transform
5715 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5717 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5719 2006-02-13 Josh Conner <jconner@apple.com>
5722 * varasm.c (function_section): Check for section name before
5723 calling select_section on targets that define
5724 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5725 unlikely_text_section instead of hot_function_section if
5726 first_function_block_is_cold.
5728 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5731 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5733 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5735 PR rtl-optimization/26222
5736 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5737 after tree->rtl expansion.
5738 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5739 before passing it to emit_move_insn.
5741 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5743 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5745 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5746 Clarify documentation.
5747 * c-common.h (warn_write_strings): Remove.
5748 * c-common.c (warn_write_strings): Likewise.
5749 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5752 2006-02-12 Roger Sayle <roger@eyesopen.com>
5755 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5756 (do_jump_parts_zero_rtx): New function renamed from
5757 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5758 (do_jump_parts_equality_rtx): New function split out from
5759 do_jump_parts_equality. Old implementation renamed as above.
5760 Call do_jump_parts_zero_rtx if either operand is zero.
5761 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5762 do all of the heavy lifting.
5763 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5764 calling either do_jump_by_parts_greater_rtx or
5765 do_jump_by_parts_equality_rtx.
5766 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5767 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5768 moved to do_compare_rtx_and_jump, call it directly.
5769 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5770 mode argument. Call do_compare_rtx_and_jump.
5771 (emit_case_nodes): Update calls to do_jump_if_equal.
5773 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5775 PR rtl-optimization/26225
5776 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5778 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5780 PR rtl-optimization/26232
5781 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5783 2006-02-11 Jason Merrill <jason@redhat.com>
5786 * tree-inline.c (declare_return_variable): Just don't use the
5787 modify target if it's a gimple complex reg and the return slot
5790 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5792 * doc/contrib.texi: Update my entry.
5794 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5796 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5798 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5800 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5803 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5805 * doc/invoke.texi (-floop-optimize2): Removed.
5806 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5807 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5808 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5809 * common.opt (floop-optimize2): Removed.
5810 (fmove-loop-invariants): Enabled by default.
5812 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5814 * tree-if-conv.c (combine_blocks): Free the result of
5815 get_loop_exit_edges.
5817 2006-02-10 Jeff Law <law@redhat.com>
5819 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5821 PR tree-optimization/26213
5822 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5823 loop trying to follow SSA_NAME_VALUE chains.
5825 2006-02-10 Richard Guenther <rguenther@suse.de>
5827 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5828 deal with structures that end in implicitly variable sized arrays.
5830 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5832 PR rtl-optimization/24762
5833 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5836 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5838 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5839 (struct ivopts_data): Add regs_used field.
5840 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5841 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5842 instead of loop_data->regs_used;
5843 (free_loop_data): Do not free aux fields for loops.
5844 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5845 and tree_ssa_iv_optimize_finalize.
5847 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5849 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5851 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5854 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5855 computing the effective result type.
5857 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5860 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5861 (tree_overlaps_hard_reg_set): Declare.
5862 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5863 type and signature to match function type expected by walk_tree.
5864 (tree_overlaps_hard_reg_set): New function.
5865 (decl_conflicts_with_clobbers_p): Rename to:
5866 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5867 Use tree_overlaps_hard_reg_set. Changed caller.
5868 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5869 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5870 * cris.c (cris_md_asm_clobbers): Likewise.
5872 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5874 * reload1.c (emit_input_reload_insns): Delete code that tries to
5875 inherit using find_equiv_reg.
5877 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5879 * c-common.h (flag_const_strings): Don't declare.
5880 * c-common.c (flag_const_strings): Remove.
5881 * c.opt (fconst_strings): Remove.
5882 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5883 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5884 (c_common_init_options): Don't set flag_const_strings.
5885 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5887 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5889 * arm.md (tlobits_cbranch): New pattern.
5890 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5891 testing a single bit.
5893 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5896 * tree-ssa-pre.c (create_component_ref_by_pieces):
5897 Handle RETURN_DECL like VAR_DECL.
5899 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5902 * fold-const.c (fold_indirect_ref_1): Fold
5903 "*(foo *)&complexfoo" to "__real__ complexfoo"
5904 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5906 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5908 * tree-flow-inline.h (var_can_have_subvars):
5909 Volatile variables should not have subvariables.
5911 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5914 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5915 multiplying unsigned values.
5918 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5920 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5922 2006-02-08 Jason Merrill <jason@redhat.com>
5925 * tree.def: Elaborate on difference from MODIFY_EXPR.
5926 * doc/c-tree.texi (INIT_EXPR): Likewise.
5927 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5928 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5929 (gimplify_target_expr): Likewise.
5930 (gimplify_cond_expr): Remove target handling.
5931 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5932 (gimplify_expr): Clobber it here.
5933 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5934 Do return slot optimization if we have an INIT_EXPR.
5937 * tree-inline.c (declare_return_variable): Also clear
5938 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5941 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5944 * gimplify.c (gimplify_one_sizepos): Fix typo.
5946 2006-02-08 Jeff Law <law@redhat.com>
5948 PR tree-optimization/21417
5949 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5950 across a backedge if the control statement at the end of the
5951 block is data dependent on other statements in the same block.
5952 (record_temporary_equivalences_from_stmts): Remove over-conservative
5953 test for threading across backedges.
5955 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5956 control statement, handle all three special cases in the same
5957 manner as they all have the same desired solution. No longer
5958 special case edge flag updating when the post dominator is
5961 2006-02-08 Roger Sayle <roger@eyesopen.com>
5963 * tree.def (CHAR_TYPE): Remove.
5964 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5965 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5966 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5967 (gen_string_type_die): Delete unreachable function.
5969 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5970 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5971 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5972 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5973 * builtins.c (type_to_class): Likewise.
5974 * fold-const.c (fold_convert, build_range_check,
5975 merge_ranges): Likewise.
5976 * expr.c (count_type_elements): Likewise.
5977 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5978 * stor-layout.c (layout_type): Likewise.
5979 * ipa-type-escape.c (type_to_consider): Likewise.
5980 * gimplify.c (omp_firstprivatize_type_sizes,
5981 gimplify_type_sizes): Likewise.
5982 * explow.c (promote_mode): Likewise.
5983 * tree-sra.c (is_sra_scalar_type): Likewise.
5984 * varasm.c (output_constant): Likewise.
5985 * tree-inline.c (remap_type_1): Likewise.
5986 * convert.c (convert_to_pointer, convert_to_real,
5987 convert_to_integer, convert_to_complex): Likewise.
5989 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5991 * df-scan.c (df_def_record_1): A set destination may
5992 be a parallel regardless of mode.
5994 2006-02-08 Roger Sayle <roger@eyesopen.com>
5997 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5998 * config/mips/_tilib.c: Remove.
5999 * config/fixtfdi.c: New libgcc source file.
6000 * config/fixunstfdi.c: New source file.
6001 * config/floatditf.c: New source file.
6002 * config/floatunditf.c: New souce file.
6003 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6004 files above instead of config/mips/_tilib.c.
6005 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6007 2006-02-08 Jeff Law <law@redhat.com>
6009 PR tree-optimization/26169
6010 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6013 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6015 * df.h (DF_REG_SIZE): Return the length of the initialized
6018 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6020 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6021 __muldf3): Return a correctly signed zero.
6023 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6025 * passes.c (register_one_dump_file): Accept the current properties
6026 instead of pass number. Adjust call to dump_register. Remove
6028 (register_dump_files): Now a wrapper around...
6029 (register_dump_files_1): ... this one. Do not modify the pass
6031 (next_pass_1): Cosmetic fix.
6032 (execute_todo): Keep second parameter only. Use curr_properties
6033 instead of fetching it from the pass structure. Check and set
6035 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6036 instead of fetching it from the pass structure. Fix calls to
6037 execute_todo. Update curr_properties and initialize .vcg RTL dump
6038 after running the pass. Reset last_verified.
6039 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6041 (FIRST_AUTO_NUMBERED_DUMP): New.
6042 (dump_register): Remove "num" parameter, assign it within the
6044 (get_dump_file_name): Modify template for dumps.
6045 * tree-dump.h (dump_register): Adjust prototype.
6046 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6047 (PROP_trees): Add PROP_gimple_lomp.
6048 (TODO_set_props): New.
6049 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6050 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6051 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6053 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6055 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6056 (sparc64-*-linux*): Likewise.
6057 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6058 * config/sparc/t-linux: New file.
6059 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6060 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6061 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6062 -m32 -mlong-double-128.
6064 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6065 * config/alpha/t-linux: New file.
6066 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6068 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6069 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6070 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6071 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6072 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6073 (CPP_ARCH32_SPEC): Remove.
6075 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6077 PR tree-optimization/26145
6078 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6081 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6084 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6085 >= 240000 when generating code for SOM runtime.
6086 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6087 to $$dyncall when generating code for SOM runtime..
6089 2006-02-07 Dirk Mueller <dmueller@suse.com>
6092 * doc/invoke.texi (-Wsequence-point): Update documentation
6093 that -Wsequence-point is implemented for C++ as well.
6095 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6097 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6098 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6099 (LIB_SPEC): Likewise.
6100 * doc/invoke.texi (SPARC options): Document -pthread.
6102 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6104 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6107 2006-02-07 Roger Sayle <roger@eyesopen.com>
6109 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6110 Correct comment describing BOOLEAN_TYPE.
6112 2006-02-07 Dirk Mueller <dmueller@suse.com>
6114 * c.opt: C++ frontend supports -Wdiv-by-zero.
6115 * c-opts.c (c_common_handle_option): Remove dead case.
6117 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6119 * configure.ac (TLS assembler check): Do not enable TLS by
6120 default on SPARC/Solaris before version 10.
6121 * configure: Regenerate.
6123 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6125 * doc/invoke.texi (xl-compat): Document conversion and support
6128 2006-02-07 Jeff Law <law@redhat.com>
6130 * tree-vrp.c (find_conditional_asserts): Update comments.
6131 (simplify_stmt_for_jump_threading): New.
6132 (identify_jump_threads, finalize_jump_threads): New.
6133 (vrp_finalize): Call identify_jump_threads.
6134 (execute_vrp): Call finalize_jump_threads.
6135 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6136 (vrp_element, vrp_data, vrp_element_p): Remove.
6137 (vrp_hash_elt, vrp_variables_stack): Remove.
6138 (vrp_hash, vrp_eq, record_range): Remove.
6139 (simplify_cond_and_lookup_avail_expr): Remove.
6140 (extract_range_from_cond): Remove.
6141 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6142 (simplify_stmt_for_jump_threading): New.
6143 (dom_thread_across_edge): New wrapper.
6144 (tree_ssa_dominator_optimize): No longer initialize or
6145 finalize any of the VRP datastructures. Remove iteration
6146 step and simplify as a result of removal of iteration step.
6147 (pass_dominator): Perform a cfg cleanup after DOM.
6148 (dom_opt_finalize_block): Use the new common routines
6149 for threading jumps. Simplify stack management slightly.
6150 No longer need to unwind VRP state.
6151 (record_equivalences_from_incoming_edge): No longer record
6153 (eliminate_redundant_computations): No longer call
6154 simplify_cond_and_lookup_avail_expr.
6155 * tree-flow.h (potentially_threadable_block): Prototype.
6156 (thread_across_edge): Likewise.
6157 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6158 (tree-ssa-threadedge.o): Add dependencies.
6159 * tree-ssa-threadedge.c: New file.
6160 * passes.c (init_optimization_passes): Merge PHIs before
6161 calling VRP. Run VRP again late in the SSA optimization pipeline.
6163 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6165 * df-core.c (df_set_blocks): Do not dereference function pointers.
6166 (df_finish1): Likewise.
6167 (df_hybrid_search_forward): Likewise.
6168 (df_hybrid_search_backward): Likewise.
6169 (df_iterative_dataflow): Likewise.
6170 (df_analyze_problem): Likewise.
6171 (df_compact_blocks): Likewise.
6172 (df_dump): Likewise.
6173 * df-scan.c (df_rescan_blocks): Likewise.
6174 (df_record_entry_block_defs): Likewise.
6176 * genconditions.c (write_conditions): Guard the definition of
6177 'insn_conditions' with the check on GCC version.
6178 (write_writer): Guard the traversal 'insn_conditions' with
6179 the check on GCC version.
6181 2006-02-07 Richard Guenther <rguenther@suse.de>
6185 2006-01-30 Richard Guenther <rguenther@suse.de>
6187 * gimplify.c (gimplify_target_expr): Handle easy cases
6188 without creating a temporary.
6190 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6192 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6193 use of float in probability computations. Use edge probabilities
6194 in place of statically computed probabilities.
6195 (min_spec_prob): New static variable.
6196 (schedule_insns): Initialize it.
6197 (GET_SRC_PROB): Removed.
6198 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6200 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6203 * config/ia64/unwind-ia64.c: Revert last change.
6204 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6205 (INCOMING_FRAME_SP_OFFSET): Define.
6207 2006-02-06 Roger Sayle <roger@eyesopen.com>
6209 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6211 2006-02-07 Ben Elliston <bje@au.ibm.com>
6213 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6214 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6215 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6216 (ix86_return_in_memory): Handle TDmode.
6217 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6218 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6220 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6222 * reorg.c (dbr_schedule): Use dump_file instead of file.
6224 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6227 * config/ia64/predicates.md (extr_len_operand): New predicate.
6228 * config/ia64/ia64.md (extv): Tighten constraints.
6230 (*tbit_and_2): Ditto.
6231 (*tbit_and_3): Ditto.
6232 (*tbit_or_2): Ditto.
6233 (*tbit_or_3): Ditto.
6237 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6240 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6242 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6244 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6245 loop_optimizer_init and loop_optimizer_finalize
6246 * tree-ssa-sink.c (execute_sink_code): Ditto.
6247 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6248 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6249 tree_ssa_loop_done): Ditto.
6250 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6251 * sched-ebb.c: Include output.h.
6252 (schedule_ebbs): Do not use dump argument.
6253 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6254 * loop.c (loop_dump_stream): Removed.
6255 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6257 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6258 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6259 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6260 loop_iterations, strength_reduce, record_biv, record_giv,
6261 final_giv_value, check_final_value, check_ext_dependent_givs,
6262 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6263 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6264 dump_file instead of loop_dump_stream.
6265 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6267 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6269 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6270 * haifa-sched.c: Include output.h
6271 (schedule_insns, sched_init): Do not use dump argument.
6272 * mode-switching.c (optimize_mode_switching): Ditto.
6273 * modulo-sched.c (stats_file): Removed.
6274 (print_node_sched_params): Do not call argument dump_file.
6275 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6276 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6278 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6280 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6281 rtl_loop_init, rtl_loop_done): Ditto.
6282 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6283 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6285 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6286 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6287 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6288 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6289 * emit-rtl.c (renumber_insns): Ditto.
6290 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6291 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6292 * regclass.c (regclass): Ditto.
6293 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6294 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6295 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6296 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6298 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6299 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6301 * gcse.c (gcse_file, debug_stderr): Removed.
6302 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6303 rest_of_handle_gcse): Do not use dump argument.
6304 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6305 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6306 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6307 compute_code_hoist_vbeinout, compute_code_hoist_data,
6308 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6309 compute_store_table, build_store_vectors, insert_insn_start_bb,
6310 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6311 store_motion): Use dump_file instead of gcse_file.
6312 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6313 * profile.c (profile_dump_file): Removed.
6314 (branch_prob): Use dump_file instead of profile_dump_file.
6315 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6317 * tree-ssa-copy.c (dump_copy_of): Ditto.
6318 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6319 dump file to life_analysis.
6320 * bt-load.c (branch_target_load_optimize): Ditto.
6321 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6323 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6324 regclass, dbr_schedule): Declaration changed.
6325 * sched-int.h (sched_init): Declaration changed.
6326 * tree-profile.c (tree_profile_dump_file): Removed.
6327 (tree_profile_hooks): Removed profile_dump_file hook.
6328 * rtl-profile (rtl_profile_dump_file): Removed.
6329 (rtl_profile_hooks): emoved profile_dump_file hook.
6330 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6332 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6333 * tree-cfg.c (build_tree_cfg): Ditto.
6334 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6335 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6336 Declaration changed.
6337 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6338 life_analysis and schedule_insns.
6339 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6341 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6343 * config/mips/mips.c (mips_reorg): Ditto.
6344 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6347 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6349 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6350 (s390_mangle_fundamental_type): New.
6351 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6354 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6355 (alpha_mangle_fundamental_type): New.
6356 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6359 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6361 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6363 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6364 (sparc_mangle_fundamental_type): New.
6366 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6368 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6369 (s390x-*-linux*): Likewise.
6370 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6371 * config/s390/t-linux: New file.
6373 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6375 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6376 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6378 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6380 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6381 (ANTIC_SAFE_LOADS): New macro.
6382 (find_or_generate_expression): Add prototype.
6383 (set_contains_value): Allow null set for sake of not always having
6384 to allocate ANTIC_SAFE_LOADS.
6385 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6386 Allow COMPONENT_REF too.
6387 (valid_in_set): Allow COMPONENT_REF.
6388 Check ANTIC_SAFE_LOADS too.
6389 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6390 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6392 (can_PRE_operation): Add COMPONENT_REF.
6393 (create_component_ref_by_pieces): New function.
6394 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6395 (insert_aux): Move AGGREGATE_TYPE_P check here.
6396 (compute_avail): Set bb local stmt uids.
6397 (pass_pre): Use TODO_update_ssa_only_virtuals.
6399 2006-02-06 Ben Elliston <bje@au.ibm.com>
6401 * configure.ac: Unconditionally disable decimal float by default.
6402 * configure: Regenerate.
6404 2006-02-06 Ben Elliston <bje@au.ibm.com>
6406 * read-rtl.c (read_name): Terminate reading on EOF.
6408 2006-02-06 Ben Elliston <bje@au.ibm.com>
6410 * dfp.c (decimal_real_arithmetic): Change second argument type
6411 from int to enum tree_code. Do not always return true, but now
6412 return result of any call to decimal_do helper functions.
6413 * dfp.h (decimal_real_arithmetic): Update prototype.
6415 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6417 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6419 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6422 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6425 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6427 * tree-vrp.c (cfg_loops): Removed.
6428 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6429 Use current_loops instead of cfg_loops. Pass flags to
6430 loop_optimizer_init.
6431 * cfgloopmanip.c (fix_loop_structure): Update only available
6433 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6434 loop_optimizer_init.
6435 * modulo-sched.c (build_loops_structure): Removed.
6436 (sms_schedule): Use loop_optimizer_init.
6437 * loop-init.c (loop_optimizer_init): Use flags to determine
6438 which properties of loops to prepare.
6439 (rtl_loop_init): Pass flags to loop_optimizer_init.
6440 * tree-ssa-sink.c (execute_sink_code): Ditto.
6441 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6442 * tree-ssa-pre.c (init_pre): Ditto.
6443 * cfgloop.h (LOOPS_NORMAL): New.
6444 (loop_optimizer_init): Declaration changed.
6446 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6448 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6449 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6451 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6453 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6455 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6456 * pa/t-pa64: Delete quadlib.c rule.
6457 * pa/x-ada: Revert last change.
6458 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6460 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6462 PR rtl-optimization/26087
6463 * rtlanal.c (canonicalize_condition): Do not cross basic block
6466 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6469 * config/ia64/ia64.c: Include debug.h.
6470 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6471 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6472 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6473 (process_epilogue, process_set, process_for_unwind_directive):
6474 Output unwind info only if requested. Add CFA info if requested.
6475 Add new arguments as needed. Adjust callers.
6476 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6478 (DWARF2_FRAME_INFO): Define to zero.
6479 * config/ia64/unwind-ia64.c: Remove code that compensated for
6480 the CFA offset error fixed above.
6481 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6482 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6483 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6484 -funwind-tables and -fexceptions to enable frame info.
6485 (dwarf2out_frame_init): Define initial CFA even if
6486 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6487 DWARF2_UNWIND_INFO is nonzero, not just defined.
6488 (dwarf2out_frame_finish): Output non-EH call frame info only
6489 if DWARF2_FRAME_INFO is nonzero.
6490 (convert_cfa_to_loc_list,
6491 compute_frame_pointer_to_cfa_displacement): Define even if
6492 unwind info is not supported.
6493 (gen_subprogram_die): Use the above unconditionally. Remove
6494 legacy alternate code.
6495 * toplev.c (compile_file): Compile in call to
6496 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6497 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6499 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6500 Jakub Jelinek <jakub@redhat.com>
6502 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6503 IBM extended float format long double as "g" on powerpc*-linux.
6505 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6508 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6509 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6511 2006-02-03 Jason Merrill <jason@redhat.com>
6514 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6517 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6518 on the return slot if it's an NRV.
6520 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6522 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6523 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6524 rewrite_use): Do not handle USE_OUTER.
6525 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6526 add_iv_outer_candidates, may_replace_final_value,
6527 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6528 (find_interesting_uses_op): Functionality of
6529 find_interesting_uses_outer_or_nonlin moved here.
6530 (find_interesting_uses_outside): Use find_interesting_uses_op.
6532 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6535 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6537 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6538 Ulrich Weigand <uweigand@de.ibm.com>
6541 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6542 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6543 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6544 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6546 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6547 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6548 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6549 Define secondary reloads for TFmode moves.
6550 (constant_modes): Add TFmode.
6551 (NR_C_MODES): Set to 8.
6552 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6554 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6555 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6556 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6557 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6558 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6559 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6560 (FPR mode macro): Add TFmode.
6561 (DSF mode macro): New.
6562 (<de>, <dee> mode attributes): Removed.
6563 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6564 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6565 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6566 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6567 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6568 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6569 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6570 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6571 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6572 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6573 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6574 "*negabs<mode>2", "sqrt<mode>2"):
6575 Changed <de> to <xde>. R constraint replaced by <Rf>.
6576 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6578 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6579 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6580 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6582 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6583 "extenddftf2", "extendsftf2"): New expanders.
6584 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6585 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6586 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6587 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6589 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6590 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6591 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6592 __floatditf): Add a GCC_4.1.0 symbol version tag.
6593 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6596 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6599 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6600 Use targetm.binds_local_p instead of TREE_PUBLIC.
6602 2006-02-02 Roger Sayle <roger@eyesopen.com>
6604 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6605 on INTEGER_TYPEs to indicate that it denotes a character type.
6606 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6607 signed_char_type_node, unsigned_char_type_node and char_type_node.
6608 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6609 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6610 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6612 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6613 Daniel Berlin <dberlin@dberlin.org>
6615 * tree-tailcall.c (arg_needs_copy_p): New function.
6616 (eliminate_tail_call): Use arg_needs_copy_p.
6617 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6618 (add_virtual_phis): New function.
6620 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6622 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6623 #ignore instead of #scratch for %g7 .register directive.
6625 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6627 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6630 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6632 * flow.c (calculate_global_regs_live): Assert that there aren't any
6635 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6637 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6639 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6640 bsi_after_labels iterator.
6641 * tree-if-conv.c (find_phi_replacement_condition,
6642 replace_phi_with_cond_modify_expr): Likewise.
6643 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6644 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6646 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6648 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6650 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6653 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6654 array after growing it.
6656 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6659 * fold-const.c (fold_checksum_tree): Change type of buf.
6661 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6663 * reload.c (push_secondary_reload): Initialize t_icode.
6665 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6667 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6668 -msoft-float -mlong-double-128 only issue a warning, but don't
6669 swich to DFmode long double.
6671 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6673 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6674 has a constant equivalent, iterate over equivalents for arg0,
6675 calling simplify_relational_operation and if there's a result
6676 cheaper than X, apply fold_rtx and return the result.
6678 2006-02-01 Jan Hubicka <jh@suse.cz>
6680 * opts.c (no_unit_at_a_time_default): New global variable.
6681 (decode_options): Use it.
6682 * opts.h (no_unit_at_a_time_default): Declare.
6684 2006-02-01 Paul Brook <paul@codesourcery.com>
6686 * function.c (assign_parm_setup_reg): Use function argument promotion
6688 * expr.c (expand_expr_real_1): Use function argument promotion rules
6691 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6693 * gcc.c (process_command): Change j to 'unsigned int'.
6695 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6698 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6699 Use the corrected index for the character
6700 out of the string constant.
6702 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6704 * mode-switching.c (optimize_mode_switching): Fix size
6705 allocated for bb_info[n_entities].
6707 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6709 * gcc.c (main): Correct type that is allocated for
6710 explicit_link_files.
6712 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6714 * config/s390/s390.c (init_alignment_context): Set
6715 ALIAS_SET_MEMORY_BARRIER on the MEM.
6716 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6718 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6721 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6723 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6726 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6728 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6729 * regrename.c: Ditto.
6730 * tree-ssa-loop-im.c: Ditto.
6731 * tree-dump.c: Ditto.
6732 * tree-complex.c: Ditto.
6733 * genrecog.c: Ditto.
6734 * tree-ssa-threadupdate.c: Ditto.
6736 * java/class.c: Ditto.
6737 * java/jcf-parse.c: Ditto.
6738 * java/resource.c: Ditto.
6739 * java/except.c: Ditto.
6740 * java/jvspec.c: Ditto.
6741 * java/jcf-write.c: Ditto.
6742 * java/jcf-path.c: Ditto.
6743 * java/gjavah.c: Ditto.
6744 * java/zextract.c: Ditto.
6745 * java/jcf-io.c: Ditto.
6746 * java/jcf.h: Ditto.
6747 * java/buffer.c: Ditto.
6748 * java/lang.c: Ditto.
6749 * java/parse-scan.y: Ditto.
6750 * java/lex.c: Ditto.
6751 * java/lex.h: Ditto.
6752 * cfgloopmanip.c: Ditto.
6753 * postreload-gcse.c: Ditto.
6754 * tree-ssa-loop-manip.c: Ditto.
6755 * postreload.c: Ditto.
6756 * tree-ssa-loop-ch.c: Ditto.
6760 * diagnostic.c: Ditto.
6762 * genoutput.c: Ditto.
6764 * cfghooks.c: Ditto.
6765 * cfgloopanal.c: Ditto.
6766 * objc/objc-act.c: Ditto.
6768 * genextract.c: Ditto.
6769 * genautomata.c: Ditto.
6770 * pretty-print.c: Ditto.
6772 * cgraphunit.c: Ditto.
6775 * haifa-sched.c: Ditto.
6776 * dominance.c: Ditto.
6778 * tree-ssa-loop-ivopts.c: Ditto.
6780 * mode-switching.c: Ditto.
6781 * modulo-sched.c: Ditto.
6783 * ipa-pure-const.c: Ditto.
6785 * fix-header.c: Ditto.
6787 * tree-stdarg.c: Ditto.
6788 * ipa-utils.c: Ditto.
6789 * loop-init.c: Ditto.
6790 * ipa-inline.c: Ditto.
6793 * alloc-pool.c: Ditto.
6794 * dwarf2out.c: Ditto.
6796 * genattrtab.c: Ditto.
6797 * tree-ssa-loop-ivcanon.c: Ditto.
6801 * fortran/gfortranspec.c: Ditto.
6803 * local-alloc.c: Ditto.
6804 * langhooks.c: Ditto.
6805 * function.c: Ditto.
6806 * tree-vectorizer.c: Ditto.
6808 * ipa-type-escape.c: Ditto.
6810 * tree-if-conv.c: Ditto.
6813 * tree-data-ref.c: Ditto.
6814 * loop-unroll.c: Ditto.
6815 * treelang/treetree.c: Ditto.
6818 * ggc-common.c: Ditto.
6820 * coverage.c: Ditto.
6822 * tree-cfgcleanup.c: Ditto.
6823 * tree-ssa-pre.c: Ditto.
6824 * cfgcleanup.c: Ditto.
6825 * loop-invariant.c: Ditto.
6827 * ipa-prop.c: Ditto.
6828 * print-tree.c: Ditto.
6829 * conflict.c: Ditto.
6830 * ggc-page.c: Ditto.
6831 * sched-deps.c: Ditto.
6832 * regclass.c: Ditto.
6833 * tree-object-size.c: Ditto.
6835 * bb-reorder.c: Ditto.
6836 * resource.c: Ditto.
6837 * var-tracking.c: Ditto.
6839 * df-problems.c: Ditto.
6840 * reg-stack.c: Ditto.
6843 * sched-rgn.c: Ditto.
6844 * tree-ssa-structalias.c: Ditto.
6845 * tree-ssa-reassoc.c: Ditto.
6846 * config/darwin-c.c: Ditto.
6847 * config/darwin.c: Ditto.
6848 * config/arm/arm.c: Ditto.
6850 * collect2.c: Ditto.
6853 2006-01-31 Nicolas Pitre <nico@cam.org>
6855 * arm.md (smaxsi3): Make aware of smax_m1.
6858 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6860 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6862 2006-01-31 Richard Guenther <rguenther@suse.de>
6864 * doc/invoke.texi (-msselibm): Document.
6865 * target.h (expand_library_builtin): New target hook.
6866 * builtins.c (expand_builtin): Use expand_library_builtin.
6867 (default_expand_library_builtin): New function.
6868 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6869 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6870 (link_gcc_math_spec): Declare.
6871 (static_specs): Add link_gcc_math_spec.
6872 * expr.h (default_expand_library_builtin): Declare.
6873 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6874 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6875 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6876 * config/i386/i386.opt (msselibm): New target option.
6877 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6878 (ix86_init_sse_abi_builtins): New function.
6879 (ix86_expand_library_builtin): Likewise.
6880 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6881 (override_options): Handle error conditions wrt -msselibm.
6882 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6883 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6884 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6887 2006-01-31 Richard Guenther <rguenther@suse.de>
6888 Paolo Bonzini <bonzini@gnu.org>
6890 * doc/install.texi (--disable-libgcc-math): Document.
6892 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6894 * expr.h (expand_normal): new inline function.
6895 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6897 * dwarf2out.c: use it.
6902 * config/sparc/sparc.c: use it.
6903 * config/i386/i386.c: use it.
6904 * config/rs6000/rs6000.c: use it.
6905 * config/arm/arm.c: use it.
6906 * config/mips/mips.c: use it.
6907 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6909 2006-01-30 Roger Sayle <roger@eyesopen.com>
6911 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6912 argv to the appropriate type.
6914 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6916 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6919 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6922 * config/s390/s390.c (struct machine_function): New flag
6923 decomposed_literal_pool_addresses_ok_p.
6924 (s390_reorg): Set it before final stage of literal pool transforms.
6925 (s390_decompose_address): Only accept displacements of the form
6926 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6928 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6930 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6931 the comparison routine return.
6933 2006-01-30 Michael Matz <matz@suse.de>
6935 * global.c (find_reg): Only evict for global regs.
6936 Take n_refs into account and dump more info.
6938 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6941 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6942 (pragma_trap, pragma_nosave_low_regs): Likewise.
6943 (current_function_anonymous_args): Likewise.
6944 (sh_deferred_function_attributes): New variable.
6945 (sh_deferred_function_attributes_tail): Likewise.
6946 (print_operand): For '@', look up trap_exit attribute.
6947 (calc_live_regs): Look up trapa_handler attribute. For trapa
6948 handlers, save/restore fpscr, but don't do any other
6949 interrupt-specific saves.
6950 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6951 Fix check for partially saved registers to check for SHmedia.
6952 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6953 (sh_output_function_epilogue): Don't clear any of the removed
6955 (sh_insert_attributes): Don't check pragma_interrupt.
6956 Insert deferred attributes. Check that interrupt attribute is
6957 present for other attributes that require its presence.
6958 (sh_attribute_table): Add new attributes trapa_handler and
6960 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6961 Don't check for pragma_interrupt. Don't store argument.
6962 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6963 (sh_deferred_function_attributes): Declare.
6964 (sh_deferred_function_attributes_tail): Likewise.
6965 * sh.md (sp_switch_1): Add operand. Change generator caller.
6966 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6967 (*return_i): Don't use when trap_exit attribute is in effect.
6968 (*return_trapa): New insn pattern.
6970 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6971 setting c_target_objs and cxx_target_objs.
6972 * t-sh: Add rule for sh-c.o.
6974 2006-01-30 Richard Guenther <rguenther@suse.de>
6977 * gimplify.c (gimplify_target_expr): Handle easy cases
6978 without creating a temporary.
6980 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6982 * vec.h (safe_grow): Remove duplicated line.
6984 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6987 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6988 (expand_omp): ... here.
6989 (expand_omp_parallel): Only remove barriers for combined
6990 parallel+workshare constructs.
6992 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6996 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6997 * tree.c (build_qualified_type): Chain the new type to the original
6998 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6999 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7000 (build_pointer_type_for_mode): Only return unqualified types.
7001 (build_reference_type_for_mode): Likewise.
7003 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7005 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7006 * Makefile.in (CXX_COMPAT_WARN): Define.
7007 * configure: Regenerate.
7009 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7012 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7015 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7017 * toplev.c: Fix thinko.
7019 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7020 Marcin Dalecki <martin@dalecki.de>
7022 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7023 (push_srcloc): Use XNEW.
7024 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7026 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7028 * df-core.c (df_set_blocks): Deleted all variable.
7030 2006-01-28 Ian Lance Taylor <ian@airs.com>
7032 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7033 cgraph_output_pending_asms.
7035 2006-01-28 Zack Weinberg <zackw@panix.com>
7037 * c.opt: Add -W(no-)overlength-strings.
7038 * doc/invoke.texi: Document it.
7039 * c-opts.c (c_common_handle_option): -pedantic implies
7040 -Woverlength-strings, if not explicitly disabled already.
7041 (c_common_post_options): -Woverlength-strings defaults to off, and
7042 is always off for C++.
7043 * c-common.c (fix_string_type): Issue warning about strings longer
7044 than is portable only if warn_overlength_strings. Rearrange code
7045 a little for clarity.
7046 * configure.in: Check for -Wno-overlength-strings as well before
7047 enabling -pedantic in stage 1.
7048 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7049 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7051 * genconditions.c (write_header, write_one_condition)
7052 (write_conditions, write_writer): Consolidate very long strings
7053 that were broken up to fit in C89 portable limit. Don't use
7054 printf when fputs will do.
7056 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7058 * combine.c (simplify_comparison <AND>): Check
7059 TRULY_NOOP_TRUNCATION before start using a subreg.
7061 * config/mips/mips.md (*branch_zero<mode>,
7062 *branch_zero<mode>_inverted, *branch_equality<mode>,
7063 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7064 Remove mode check from comparisons.
7066 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7068 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7070 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7072 * expmed.c (const_mult_add_overflow_p): Remove.
7073 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7075 * recog.c (validate_replace_rtx_subexp): Remove.
7076 * recog.h: Remove the prototype for
7077 validate_replace_rtx_subexp.
7079 * integrate.h: Remove the prototype for
7080 copy_decl_for_inlining.
7081 * rtl.h: Remove the prototype for mark_constant_function.
7082 * tree-vectorizer.h: Remove the prototype for
7083 vect_strip_conversion.
7085 * modulo-sched.c (create_partial_schedule,
7086 free_partial_schedule, reset_partial_schedule): Make them
7089 * hooks.c (hook_bool_rtx_int_false): Remove.
7090 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7092 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7094 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7095 and -mlong-double-128 are incompatible.
7096 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7097 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7098 (TARGET_LIBGCC2_CFLAGS): Define.
7099 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7100 (TARGET_LIBGCC2_CFLAGS): Same.
7101 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7103 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7106 * c-typeck.c (build_binary_op): Perform implicit casts of
7107 operands before shortening them.
7109 * cfgloopmanip.c (split_loop_bb): Remove.
7110 * cfgloop.h: Remove the prototype for split_loop_bb.
7112 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7113 * cfgloop.h: Remove the prototype for
7114 flow_loop_outside_edge_p.
7116 * emit-rtl.c (init_virtual_regs): Make it static.
7117 * function.h: Remove the prototype for init_virtual_regs.
7119 * recog.c (peephole2_optimize): Make it static.
7120 * recog.h: Remove the prototype for peephole2_optimize.
7122 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7124 * df-scan.c (df_record_entry_block_defs): Check if
7125 INCOMING_RETURN_ADDR_RTX is defined.
7127 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7128 Kenneth Zadeck <zadeck@naturalbridge.com>
7130 PR rtl-optimization/24762
7131 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7132 * targhooks.c (hook_void_bitmap): New hook prototype.
7133 * targhoohs.h (hook_void_bitmap): Ditto.
7134 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7135 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7136 * target.h (live_on_entry): New function pointer.
7137 * df-scan.c (df_all_hard_regs): Removed.
7138 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7139 (df_scan_free_internal): Added df->entry_block_defs.
7140 (df_scan_alloc): Ditto.
7141 (df_scan_dump): Ditto.
7142 (df_uses_record): Plumbed flag field properly thru calls.
7143 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7144 This part fixes PR24762.
7145 (df_bb_refs_record): Added code to make the frame and arg
7146 pointers live in EH blocks.
7147 (df_refs_record): Added call to df_record_entry_block_defs.
7148 (df_record_entry_block_defs): New function.
7149 * df-core.c: Added comments to describe new artifical defs.
7150 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7151 (entry_block_defs): New field in struct df.
7152 (df_all_hard_regs): Deleted.
7153 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7154 * df-problems.c (df_ru_bb_local_compute_process_def):
7155 Added code to handle artifical defs in the entry to a function.
7156 (df_ru_bb_local_compute): Ditto.
7157 (df_rd_bb_local_compute_process_def): Ditto.
7158 (df_rd_bb_local_compute): Ditto.
7159 (df_lr_bb_local_compute): Ditto.
7160 (df_ur_bb_local_compute): Ditto.
7161 (df_urec_bb_local_compute): Ditto.
7162 (df_chain_create_bb): Ditto.
7163 (df_ur_local_finalize): Removed entry.
7164 (df_urec_init): Ditto.
7165 (df_urec_local_finalize): Ditto.
7166 (df_ri_bb_compute): Added detection of last use of pseudos.
7167 * Makefile.in (df-scan.o): Updated dependencies.
7168 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7169 * config/mips/mips.c (mips_set_live_on_entry): Added.
7170 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7172 * dce.c (marked_insn_p): Added code to handle artifical defs.
7174 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7176 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7178 (_mm_cvtsi128_si64): Likewise.
7179 (_mm_cvtsd_si64): Likewise.
7180 (_mm_cvttsd_si64): Likewise.
7181 (_mm_cvtsi64_sd): Likewise.
7182 (_mm_cvtsi64_si128): Likewise.
7183 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7184 (_mm_cvtsi64_m64): Likewise.
7185 (_m_to_int64): Likewise.
7186 (_mm_cvtm64_si64): Likewise.
7187 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7188 (_mm_cvttss_si64): Likewise.
7189 (_mm_cvtsi64_ss): Likewise.
7190 (_mm_cvtss_f32): Likewise.
7192 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7194 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7195 for pragma redefine_extname.
7197 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7200 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7201 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7202 -mno-minimal-toc to previous content.
7203 (bispecs): Remove goal.
7204 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7205 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7206 compatibility aliases on powerpc-*-*gnu*.
7207 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7208 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7209 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7210 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7211 (ldblspecs): New goal.
7212 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7213 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7215 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7216 L_sf_to_tf or L_df_to_tf is defined.
7218 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7219 Alan Modra <amodra@bigpond.net.au>
7222 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7223 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7224 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7225 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7226 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7227 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7228 (rs6000_override_options): Initialize rs6000_ieeequad.
7229 Initialize TFmode format to ibm_extended_format if not
7231 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7233 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7234 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7235 (function_arg_advance): IBM long double passed in two FPRs, not
7237 (function_arg): IBM long double passed in FPRs.
7238 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7239 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7240 Only multireg GPR aligned.
7241 (rs6000_init_libfuncs): Enable IBM long double functions if not
7243 (rs6000_generate_compare): Use IBM long double compare if not
7245 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7246 (TARGET_IEEEQUAD): Define.
7247 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7248 not TARGET_IEEEQUAD.
7249 * config/rs6000/rs6000.md: Enable TFmode patterns if
7251 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7252 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7253 and -mlong-double-128 are incompatible.
7254 * doc/invoke.texi (-mabi): Collect options together. Add
7255 ibmlongdouble and ieeelongdouble.
7257 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7259 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7261 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7262 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7263 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7264 * rtl.h (rtunion_def): Remove rt_ptr.
7266 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7267 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7268 * config/i386/winnt.c (i386_pe_mark_dllexport)
7269 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7271 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7273 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7275 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7279 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7280 pthread_key_delete. From John David Anglin. gthrw-ify
7281 pthread_getunique_np only if it it's not a macro. Delete
7283 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7284 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7285 __gthread_objc_condition_signal, __gthread_key_delete): Add
7286 "__attribute__ ((__unused__))" to unused arguments.
7287 (__gthread_recursive_mutex_init_function): Add missing return.
7288 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7289 gthr-posix95.h: Use macro-based approach for name redirection
7290 on targets missing weakref.
7292 2006-01-26 Zack Weinberg <zackw@panix.com>
7294 * genconditions.c (write_header): In generated code, #ifdef out
7295 all includes and fake declarations, except includes of bconfig.h
7296 and system.h, unless GCC_VERSION >= 3001. Do not include
7297 gensupport.h in any case.
7298 (write_conditions): Generate a definition of struct c_test. Add
7299 a comment to the generated #endif.
7300 (write_one_condition): Escape backslashes in string too.
7301 (write_writer): Generated code must escape backslashes and quote
7302 marks (but not newlines) in the strings it writes.
7303 * Makefile.in (build/gencondmd.o): Update dependencies.
7305 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7308 * Makefile.in (insn-automata.o): Add header file dependencies.
7309 * genautomata.c: Add includes.
7311 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7314 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7316 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7318 * configure.ac: Expect target tools paths to be passed from the toplevel
7319 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7321 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7323 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7326 * c.opt (Wpointer-sign): Init to -1.
7327 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7328 OPT_pedantic, to 0 otherwise.
7329 * doc/invoke.texi: Update.
7331 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7333 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7334 constants provided by 80387 instructions in the destination mode.
7336 2006-01-26 Richard Guenther <rguenther@suse.de>
7337 Andrew Pinski <pinskia@physics.uc.edu>
7340 partial PR tree-opt/17064
7341 * tree-ssa-structalias.c (intra_create_variable_infos):
7342 Create heap variables for incoming parameters if
7343 flag_argument_noalias > 1.
7344 (find_what_p_points_to): Look through default defs of
7347 2006-01-26 Jeff Law <law@redhat.com>
7350 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7351 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7352 within the VR_RANGE, use the VR_RANGE as the result, not the
7354 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7355 bounds for the type.
7357 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7359 * tree-ssa-alias.c (maybe_create_global_var): Change
7360 subvar walking to an assertion that we don't have subvar'd variables.
7362 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7365 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7366 Use a new variable, inner. PARM_DECLs are always non-weak.
7368 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7370 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7373 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7375 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7377 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7379 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7380 (smax_insn, smin_insn, smax_0, smin_0): New.
7382 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7385 * config/cris/cris.c (cris_order_for_addsi3): New function.
7386 * config/cris/cris-protos.h: Prototype it.
7387 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7388 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7389 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7390 (split for "op.S1 [rx=rx+i],ry (swapped)")
7391 (split for "op(s|u).S1 [rx=rx+i],ry")
7392 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7393 Apply cris_order_for_addsi3 when generating addsi3 insns.
7395 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7397 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7398 (TREE_BLOCK): Add call to EXPR_CHECK.
7400 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7403 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7404 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7405 (dump_omp_clauses): ... here.
7406 (dump_generic_node): Handle OMP_CLAUSE.
7407 * tree.c (omp_clause_num_ops): New.
7408 (omp_clause_code_name): New.
7409 (tree_code_size): Handle OMP_CLAUSE.
7410 (tree_size): Likewise.
7411 (make_node): Document handling of OMP_CLAUSE.
7412 (tree_node_structure): Handle OMP_CLAUSE.
7413 (omp_clause_check_failed): New.
7414 (omp_clause_range_check_failed): New.
7415 (omp_clause_operand_check_failed): New.
7416 (build_omp_clause): New.
7417 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7418 * tree.h (enum omp_clause_code): Declare.
7419 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7420 (OMP_CLAUSE_RANGE_CHECK): Define.
7421 (OMP_CLAUSE_ELT_CHECK): Define.
7422 (omp_clause_check_failed): Declare.
7423 (omp_clause_operand_check_failed): Declare.
7424 (omp_clause_range_check_failed): Declare.
7425 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7426 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7427 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7428 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7429 (OMP_CLAUSE_IF_EXPR): Likewise.
7430 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7431 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7432 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7433 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7434 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7435 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7436 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7437 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7438 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7439 (OMP_CLAUSE_CODE): Define.
7440 (OMP_CLAUSE_SET_CODE): Define.
7441 (OMP_CLAUSE_CODE): Define.
7442 (OMP_CLAUSE_OPERAND): Define.
7443 (struct tree_omp_clause): Declare.
7444 (union tree_node): Add field 'omp_clause'.
7445 * treestruct.def (TS_OMP_CLAUSE): Define.
7446 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7447 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7448 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7449 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7450 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7451 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7452 (OMP_CLAUSE): Define.
7453 * print-tree.c (print_node): Handle OMP_CLAUSE.
7454 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7455 * c-typeck.c: Likewise.
7456 * gimplify.c: Likewise.
7457 * c-omp.c: Likewise.
7458 * tree-nested.c: Likewise.
7459 * tree-inline.c: Likewise.
7460 * c-parser.c: Likewise.
7461 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7464 2006-01-25 Roger Sayle <roger@eyesopen.com>
7466 PR rtl-optimization/25703
7467 * combine.c (try_combine): Handle zero_extract and strict_low_part
7468 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7470 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7472 * global.c: Fix comment typos.
7474 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7477 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7478 Use output_addr_const instead of assemble_name.
7480 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7482 * Makefile.in (sched-vis.o): Update dependencies.
7483 * haifa-sched.c (sched_finish): Clear current_sched_info.
7484 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7485 (dump_flow_info): Call it.
7486 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7488 * basic-block.h (dump_bb_info): Declare.
7489 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7490 option, and apply options only for dump files whose TDF_RTL,
7491 TDF_TREE, or TDF_IPA bits match.
7492 * rtl.h: Declare new functions exported from sched-vis.c.
7493 * sched-vis.c: Enable also if scheduling is not used.
7494 (print_value): Print the mode of registers if not inside scheduling.
7495 (print_insn): Make it work outside the scheduler. Beautify the output
7497 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7499 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7501 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7502 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7503 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7504 depending on the value of CONSTANT_POOL_ADDRESS_P.
7505 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7507 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7508 rather than SYMBOL_REF_DECL.
7509 (rtx_constant_pool): Remove const_rtx_sym_htab.
7510 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7511 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7512 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7513 Remove handling of const_rtx_sym_htab.
7514 (find_pool_constant): Delete.
7515 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7516 rather than find_pool_constant.
7517 (get_pool_constant_for_function): Delete.
7518 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7520 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7521 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7522 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7523 (SYMBOL_REF_CONSTANT): New macro.
7524 (get_pool_constant_for_function): Delete.
7525 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7526 rather than SYMBOL_REF_DECL.
7527 (i386_pe_mark_dllimport): Likewise.
7528 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7529 rather than SYMBOL_REF_DECL.
7530 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7531 (machopic_indirect_call_target): Likewise.
7533 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7535 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7537 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7539 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7541 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7543 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7545 2006-01-24 David Daney <ddaney@avtrex.com>
7548 * configure.ac (enable_tls): New enable option.
7549 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7550 * configure: Regenerate.
7551 * doc/install.texi (--enable-tls): Document new option.
7552 (--disable-tls): Ditto.
7554 2006-01-24 Richard Henderson <rth@redehat.com>
7556 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7557 * alias.c (true_dependence): Respect it.
7558 (canon_true_dependence, write_dependence_p): Likewise.
7559 * builtins.c (get_builtin_sync_mem): Set it.
7561 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7563 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7566 2006-01-24 DJ Delorie <dj@redhat.com>
7568 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7569 for storing constants in single-bit bitfields.
7571 2006-01-25 Ben Elliston <bje@au.ibm.com>
7573 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7575 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7578 * tree-ssa-pre.c (phi_translate): Return NULL
7579 for AGGREGATE_TYPE's.
7581 2006-01-24 Zack Weinberg <zackw@panix.com>
7583 * genautomata.c (process_state_for_insn_equiv_partition):
7584 Use xcalloc for insn_arcs_array.
7585 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7586 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7588 2006-01-24 Richard Henderson <rth@redhat.com>
7590 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7593 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7595 PR rtl-optimization/25890
7596 PR rtl-optimization/25905
7597 * combine.c (expand_compound_operation, expand_field_assignment):
7598 Fail if the bitfield's final position is out of bounds.
7600 2006-01-24 Ian Lance Taylor <ian@airs.com>
7603 * cgraphunit.c (cgraph_output_in_order): Don't clear
7604 cgraph_asm_nodes until after asm strings have been output.
7606 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7608 * fix-header.c (read_scan_file): Add new parameter imultilib when
7609 calling register_include_chains.
7611 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7613 * omp-low.c: Update documentation.
7615 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7616 Daniel Berlin <dberlin@dberlin.org>
7620 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7621 return from the function.
7623 2006-01-22 Zack Weinberg <zackw@panix.com>
7625 * rtl.def (match_code): Add second argument.
7626 * genpreds.c (write_extract_subexp): New function.
7627 (write_match_code): Add path argument. Use write_extract_subexp.
7628 (write_predicate_expr): Pass path to write_match_code.
7629 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7630 not perform a mode test.
7631 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7632 a subexpression does not constrain the top-level code set.
7633 * read-rtl.c (read_rtx_variadic): New function.
7634 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7635 * doc/md.texi: Document new notation.
7636 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7637 (cmpsi_operand): ... here, using new notation.
7639 2006-01-22 Zack Weinberg <zackw@panix.com>
7641 * varray.c: Remove GENERATOR_FILE #ifdefs.
7643 2006-01-22 Zack Weinberg <zackw@panix.com>
7645 * genautomata.c (output_reserved_units_table): Emit nothing if
7646 description->query_units_num is zero. Remove extra blank line.
7647 (output_cpu_unit_reservation_p): Short circuit
7648 if description->query_units_num is zero.
7650 2006-01-22 Zack Weinberg <zackw@panix.com>
7652 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7653 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7654 nor any of the random handful of variables that used to be necessary
7655 when this program was linked with rtlanal.o. Prune set of forward
7656 function declarations.
7657 (struct attr_desc): Remove static_p field.
7658 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7659 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7660 (attr_string): Do not read the character one past the length of
7662 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7663 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7664 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7665 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7666 (make_automaton_attrs): New.
7667 (main): Do not call into genautomata. Call local gen_bypass
7668 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7669 Remove special case for insn_alts.
7670 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7671 varray.h (leftover from previous change). Prune set of forward
7672 function declarations. Remove state_alts fields from all
7673 structures. Remove state_alts_table from struct automaton.
7674 Make everything except main static. Do not maintain num_dfa_decls.
7675 Do not maintain state_alts fields of various structures.
7676 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7677 (add_arc): Remove state_alts argument. All callers updated.
7678 (output_reserved_units_table): Emit #ifdef here...
7679 (output_tables): ...not here. Don't generate state_alts tables.
7680 (expand_automata): Don't generate attributes.
7681 (write_automata): Don't generate state_alts functions.
7682 (main): New function.
7683 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7684 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7685 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7686 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7687 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7688 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7689 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7690 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7692 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7693 * genattrtab.h: Delete file.
7694 * Makefile.in (OBJS-common): Add insn-automata.o.
7695 (insn-automata.o): New rule.
7696 (simple_generated_c): Add insn-automata.c.
7697 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7698 (genprogmd): Add automata.
7699 (build/genattrtab): Needs no extra objects nor libraries.
7700 (build/genautomata): Needs build/vec.o and -lm.
7702 2006-01-22 Zack Weinberg <zackw@panix.com>
7704 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7705 (output_dfa_max_issue_rate, locked_states_num): Delete.
7706 (struct automaton): Add locked_states field.
7707 (output_dead_lock_vect): Save number of locked states in
7708 automaton->locked_states. If it is zero, don't print anything.
7709 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7710 (output_internal_dead_lock_func): Only test the dead_lock_vect
7711 for automata that have locked states.
7712 (output_statistics): Always print the number of locked states for
7713 each automaton. Calculate total number of locked states here.
7714 (write_automata): Don't call output_dfa_max_issue_rate.
7715 * genattrtab.c: Define length_unit_log as a const variable.
7716 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7717 max_insn_queue_index const.
7718 * final.c (length_unit_log): Declare const.
7719 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7721 2006-01-22 Zack Weinberg <zackw@panix.com>
7723 * genautomata.c: Include vec.h, not varray.h.
7724 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7725 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7726 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7727 VEC_* macros operating on appropriately typed vectors, or to
7728 malloced arrays when the size is known in advance. Const-ify
7729 many char* variables and function arguments. No functional changes.
7730 * Makefile.in (build/varray.o): Delete rule.
7731 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7732 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7734 2006-01-22 Zack Weinberg <zackw@panix.com>
7736 * gensupport.c: Define get_insn_name and record_insn_name here.
7737 (read_md_rtx): Call record_insn_name as appropriate.
7738 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7739 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7740 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7742 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7743 (BUILD_VARRAY): Delete.
7744 (genprognormal): Rename genprogmd. Fold in all programs from
7745 genprognoprint; also attrtab.
7746 (build/genattrtab): Just mention genautomata.o and varray.o.
7747 Reorganize a bit, add comments to make the categories clearer.
7749 2006-01-22 Zack Weinberg <zackw@panix.com>
7751 * genconditions.c (condition_table, add_condition): Delete.
7752 (write_conditions): Don't emit n_insn_conditions nor
7753 insn_elision_unavailable. Issue the gcc version #ifdef here,
7754 inside the table, with no #else clause ...
7755 (write_header): ...not here.
7756 (write_writer): New function.
7757 (main): Don't initialize condition_table. Use add_c_test.
7759 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7760 files on the command line.
7761 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7762 Return -1 if there is no entry in the table, don't abort.
7763 (add_c_test, traverse_c_tests): New functions.
7764 * gensupport.h (insn_elision_unavailable, insn_conditions)
7765 (n_insn_conditions): Delete declarations.
7766 (add_c_test, traverse_c_tests): Declare.
7767 * read-rtl.c: Include gensupport.h.
7768 (read_conditions): New function.
7769 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7770 (read_rtx_1): If we get EOF when we were looking for an initial
7771 open paren, return 0. Call read_conditions when appropriate.
7772 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7773 dummy-conditions.o. Eliminate references to insn-conditions.o,
7774 or change them to build/gencondmd.o, as appropriate. Remove
7775 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7776 from $(simple_generated_c). For all files remaining in those
7777 two lists, add insn-conditions.md to the generator command line.
7778 Give insn-constants.h/s-constants their own rules. Add rules
7779 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7780 (build/read-rtl.o): Depend on gensupport.h.
7781 (genprognormal): Include preds.
7782 (genprogearly): Rename genprognoprint; only difference is now that
7783 they don't link with $(BUILD_PRINT).
7784 * dummy-conditions.c: Delete.
7786 2006-01-22 Zack Weinberg <zackw@panix.com>
7788 * genextract.c: Don't include insn-config.h. Do include vec.h.
7789 Declare vectors of int, char, and locstr.
7790 (locstr): New typedef.
7791 (struct extraction): Make all array fields into bare pointers.
7792 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7793 (insn_code_number): Delete.
7794 (accum_extract): New struct.
7795 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7796 (gen_insn): Take insn_code_number as an argument. Use an
7797 accum_extract structure instead of loading data directly into
7798 a struct extraction, and having to know how big it might get.
7799 (walk_rtx): Operate entirely on an accum_extract structure.
7800 (print_path): Avoid unnecessary use of printf.
7801 (print_header): New function, split out of main. Distinguish
7802 more carefully between an unrecognizable insn and an insn that
7803 has the code number of a define_expand.
7804 (main): Pass insn_code_number to gen_insn. Call print_header
7805 only after parsing. Avoid unnecessary use of printf.
7806 * Makefile.in (build/vec.o): New rule.
7807 (build/genextract): Depend on build/vec.o.
7808 (build/genextract.o): Don't depend on insn-config.h.
7810 2006-01-22 Zack Weinberg <zackw@panix.com>
7812 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7813 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7814 practical. Eliminate per-generator-program link rules.
7816 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7819 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7820 with a call expr to ...
7821 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7823 2006-01-23 Richard Guenther <rguenther@suse.de>
7825 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7826 before make_edge with conditional EDGE_TRUE_VALUE.
7828 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7829 Jan Hubicka <jh@suse.cz>
7830 Richard Guenther <rguenther@suse.de>
7832 PR rtl-optimization/25654
7833 * cfgexpand.c (aggregate_contains_union_type): New function.
7834 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7835 for structure variables that contain a union type.
7837 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7839 * gengtype.c (new_structure): Return the structure.
7840 (create_option): Add an extra "next" argument.
7841 (create_field): New function.
7842 (adjust_field_rtx_def): Use create_option and create_field.
7843 Remove a now-unnecessary call to find_structure.
7844 (adjust_field_tree_def): Likewise.
7845 (note_yacc_type): Remove an unnecessary call to find_structure.
7846 * gengtype.h (new_structure): Return the structure.
7847 (create_option): Add an extra argument.
7848 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7849 (option): Adjust calls to create_option.
7851 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7853 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7855 2006-01-22 Paul Brook <paul@codesourcery.com>
7856 Peter Barada <peter@the-baradas.com>
7858 * config/m68k/m68k.md: Add Coldfire FPU support.
7859 Define FP mode macro and associated attributes.
7860 Use it for float mode patterns.
7861 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7862 (LIBCALL_VALUE): Use m68k_libcall_value.
7863 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7864 (m68k_function_value): Ditto.
7865 (emit_move_sequence): Ditto.
7866 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7867 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7868 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7869 (MULTILIB_EXCEPTIONS): Ditto.
7870 * config/m68k/m68k.opt: Add mcfv4e.
7871 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7872 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7873 (m68k_output_function_prologue): Save ColdFire FPU registers.
7874 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7875 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7876 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7877 ColdFire FPU registers.
7878 (m68k_libcall_value, m68k_function_value): New functions.
7879 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7880 (LIBCALL_VALUE): Use m68k_libcall_value.
7881 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7882 (MASK_COLDFIRE): Add MASK_CFV4E.
7883 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7884 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7885 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7886 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7887 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7888 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7889 * doc/invoke.tex: Document -mcfv4e on m68k.
7891 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7893 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7896 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7899 * c-opts.c (c_common_handle_option): Don't include
7900 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7901 * doc/invoke.texi (C++ Dialect Options): Document that
7902 -Wnon-virtual-dtor is no longer included in -Wall.
7904 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7906 * gcov.c (print_version), gcov-dump.c (print_version),
7907 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7910 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7912 * df-scan.c (problem_SCAN): Added NULL reset function.
7913 (df_scan_reset_blocks): Added code to call reset block function
7914 (df_bb_refs_delete) Fixed comment.
7915 (df_insn_refs_delete): Made tolerant of deleting non existent info
7916 for dataflow problems that need to be reset.
7917 * df-core.c (df_set_blocks): Ditto.
7918 * df.h (struct df_problem): Added reset_fun.
7919 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7920 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7921 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7922 functions to clear out all references to def-use or use-def chains.
7924 2006-01-21 Ben Elliston <bje@au.ibm.com>
7926 * varasm.c (assemble_real): Initialise data array.
7928 2006-01-20 Paul Brook <paul@codesourcery.com>
7930 Merge from csl-arm-branch.
7931 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7932 * config/arm/arm.md (movdi): Force operands[1] to a register
7933 if we have a non-register source.
7934 (*arm_movdi, *movdf_soft_insn): Require that one of the
7935 operands be a register.
7936 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7937 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7939 2006-01-20 DJ Delorie <dj@redhat.com>
7941 * varasm.c (initialize_constant_valid_p): Allow pointers
7942 initialized from integer constants of lesser precision.
7943 (output_constant): Allow non-int-sized pointer modes to be
7944 initialized from integer constants.
7946 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7949 * cppdefault.h (struct default_include): Add multilib flag.
7950 * cppdefault.c (cpp_include_defaults): Set it.
7951 * c.opt (-imultilib): New option.
7952 * c-opts.c (imultilib): New.
7953 (c_common_handle_option): Handle -imultilib.
7954 (c_common_post_options): Likewise.
7955 * c-incpath.c (add_standard_paths, register_include_chains):
7957 * c-incpath.h (register_include_chains): Add extra parameter.
7958 * gcc.c (do_spec_1): Generate -imultilib option.
7959 (The Specs Language): Update %I description.
7960 (process_command): Update copyright notice.
7961 * doc/cppopts.texi (-imultilib): Document.
7962 * doc/invoke.texi (-imultilib): Include in option summary.
7963 (%I): Update specs documentation.
7965 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7967 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7969 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7971 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7974 2006-01-20 Richard Guenther <rguenther@suse.de>
7975 Steven Bosscher <stevenb.gcc@gmail.com>
7977 PR rtl-optimization/24626
7978 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7979 EDGE_TRUE_VALUE if in RTL mode.
7982 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7983 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7985 2006-01-20 Dirk Mueller <dmueller@suse.com>
7988 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7989 instead of a special NOP marker.
7990 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7991 NOP marker handling.
7992 * c-common.h (empty_body_warning): Add forward declaration.
7993 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7994 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7996 2006-01-20 Paul Brook <paul@codesourcery.com>
7998 * Makefile.in (lang_checks): Keep going if mkdir fails.
8000 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8002 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8003 be able to clean out basic block when not necessary.
8004 (df_scan_free): Fixed to properly delete information if df is
8005 unused before calling df_finish.
8006 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8007 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8009 (df_bb_refs_delete): New function.
8010 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8011 * df-core.c (df_set_blocks): Added code to properly clean out
8012 unused blocks if they are not part of the blocks to consider.
8013 Added additional null check.
8014 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8015 be able to clean out basic block when not necessary
8016 * df.h (df_free_bb_function): Ditto.
8017 (df_bb_refs_delete): New function.
8018 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8019 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8020 basic block parameter to be able to clean out basic block when not
8022 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8023 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8024 Fixed to properly delete information if df is unused before
8027 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8029 PR rtl-optimization/25799
8030 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8031 Corrected confluence operator to remove bits from op2 before oring
8032 with op1 rather than removing bits from op1.
8033 (df_ru_transfer_function): Corrected test on wrong bitmap which
8034 caused infinite loop. Both of these problems were introduced in
8035 the dataflow rewrite.
8037 2006-01-19 DJ Delorie <dj@redhat.com>
8039 * reload1.c (find_reload_regs): Note the details of reload
8040 failures in the dump file.
8041 (spill_failure): Likewise.
8043 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8045 * loop-iv.c: Include df.h and hashtab.h.
8046 (enum iv_grd_result): New enum.
8047 (DF_REF_IV, DF_REF_IV_SET): New macros.
8048 (struct biv_entry): New.
8049 (df, bivs): New global variables.
8050 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8051 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8053 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8054 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8055 analyzed_for_bivness_p, record_biv): New functions.
8056 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8057 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8058 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8060 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8062 (iv_number_of_iterations): Use new interface to iv analysis.
8063 * loop-unroll.c: Do not include varray.h.
8064 (analyze_iv_to_split_insn): Use new interface to iv
8066 * loop-unswitch.c (may_unswitch_on): Ditto.
8067 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8069 (df_bb_modify): Realloc tables to the new index.
8070 (df_find_use): New function.
8071 * df.h (df_find_use): Declare.
8072 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8074 * cfgloop.h (struct rtx_iv): Remove analysed field.
8075 (iv_get_reaching_def): Removed.
8076 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8077 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8078 (loop-iv.o): Add df.h and hashtab.h dependency.
8079 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8081 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8084 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8086 (__floatundisf, __floatundidf): Likewise.
8087 * libgcc2.h (IS_IBM_EXTENDED): Define.
8089 2006-01-19 DJ Delorie <dj@redhat.com>
8091 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8093 2006-01-19 Paul Brook <paul@codesourcery.com>
8095 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8096 as nothrow when unwinding tables are disabled.
8098 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8101 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8102 of bit-field" when in system header.
8104 2006-01-19 DJ Delorie <dj@redhat.com>
8106 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8107 the 16 bit shift limit of the m16c.
8109 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8112 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8113 * config/i386/i386.c (output_set_got): Output the label if we have one
8114 for the TARGET_DEEP_BRANCH_PREDICTION case.
8116 2006-01-19 Jan Hubicka <jh@suse.cz>
8117 H.J. Lu <hongjiu.lu@intel.com>
8118 Evandro Menezes <evandro.menezes@amd.com>
8120 * invoke.texi (generic): Document
8122 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8123 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8124 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8125 (x86_use_incdec, x86_pad_returns): New variables
8126 (TARGET_CPU_DEFAULT_generic): New constant
8127 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8128 (enum processor_type): Add generic32 and generic64.
8129 * i386.md (cpu attribute): Add generic32/generic64
8130 (movhi splitter): Behave sanely when both partial_reg_dependency and
8131 partial_reg_stall are set.
8132 (K8 splitters): Enable for generic as well.
8133 * predicates.md (incdec_operand): Use TARGET_INCDEC
8134 (aligned_operand): Avoid memory mismatch stalls.
8135 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8136 * ppro.md: Enable for generic32
8137 * i386.c (generic64_cost, generic32_cost): New.
8138 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8139 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8140 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8141 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8142 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8143 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8144 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8145 x86_accumulate_outgoing_args, x86_prologue_using_move,
8146 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8147 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8149 (x86_use_incdec, x86_pad_returns): New.
8150 (override_options): Add generic32 and generic64, translate "generic"
8151 to generic32/generic64 and "i686" to "generic32", refuse
8152 "generic32"/"generic64" as arch target.
8153 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8154 (ix86_reorg): Honor PAD_RETURNS.
8156 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8158 * tree-pretty-print.c (dump_generic_node): Handle
8159 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8160 * cgraph.c (cgraph_expand_queue): Rename from
8161 cgraph_analyze_queue. Update all users.
8162 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8163 cgraph_expand_queue.
8164 (cgraph_expand_all_functions): Likewise.
8165 (cgraph_finalize_pending_functions): Remove. Update callers.
8167 * tree.h (OMP_DIRECTIVE_P): Define.
8168 (OMP_PARALLEL_FN): Define.
8169 (OMP_PARALLEL_DATA_ARG): Define.
8170 (OMP_SECTIONS_SECTIONS): Define.
8171 * tree-pass.h (pass_expand_omp): Declare.
8172 * omp-low.c (struct omp_region): Declare.
8173 (struct omp_context): Remove fields 'parallel_type',
8174 'parallel_start_ix' and 'parallel_start_additional_args'.
8176 (struct omp_for_data): Rename from struct expand_omp_for_data.
8177 (omp_regions): New static variable.
8178 (root_omp_region): New static variable.
8179 (find_omp_clause): Make static.
8180 (is_in_combined_parallel_ctx): Remove.
8181 (is_combined_parallel): New.
8182 (extract_omp_for_data): Move earlier in the file.
8183 (workshare_safe_to_combine_p): New.
8184 (get_ws_args_for): New.
8185 (determine_parallel_type): Move earlier in the file.
8186 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8188 (omp_copy_decl): Likewise.
8189 (create_omp_child_function): Likewise.
8190 (lookup_omp_region): New.
8191 (dump_omp_region): New.
8192 (debug_omp_region): New.
8193 (debug_all_omp_regions): New.
8194 (new_omp_region): New.
8195 (scan_omp_parallel): If parallel_nesting_level > 1, the
8196 directive is nested within another parallel directive.
8197 Set OMP_PARALLEL_FN.
8198 (scan_omp_for): Do not try to handle combined parallel+for
8200 Remove FIXME comment.
8201 (scan_omp_nested): Remove.
8202 (scan_omp_1): Do not call scan_omp_nested when
8203 parallel_nesting_level is > 1.
8204 Do not change the DECL_CONTEXT of local variables found.
8205 (lookup_decl_in_outer_ctx): New.
8206 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8207 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8208 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8209 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8210 If CTX is nested, lookup VAR in the outer context when
8211 building copy assignment.
8212 (lower_send_clauses): Rename from expand_send_clauses.
8213 If CTX is nested, lookup VAR in the outer context when
8214 building copy assignments.
8215 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8216 If CTX is nested, lookup VAR in the outer context when
8217 building copy assignments.
8218 (expand_parallel_call): Rename from build_parallel_call.
8219 Handle combined parallel+workshare cases.
8220 Re-implement to emit code into the CFG.
8222 (expand_omp_parallel): Re-implement to emit code into the CFG.
8223 Call move_sese_region_to_fn to outline the sub-graph
8224 containing the parallel region.
8225 (expand_omp_for_1): Remove.
8226 (expand_omp_for_generic): Re-implement to emit code into the
8228 (expand_omp_for_static_nochunk): Likewise.
8229 (expand_omp_for_static_chunk): Likewise.
8230 (expand_omp_for): Likewise.
8231 (expand_omp_sections): Likewise.
8232 (remove_exit_barriers): New.
8233 (expand_omp_synch): New.
8235 (build_omp_regions_1): New.
8236 (build_omp_regions): New.
8237 (execute_expand_omp): New.
8238 (gate_expand_omp): New.
8239 (pass_expand_omp): Define.
8240 (lower_omp_sections): Rename from expand_omp_sections.
8241 Set OMP_SECTIONS_SECTIONS.
8242 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8243 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8244 (lower_omp_single): Rename from expand_omp_simple.
8245 (lower_omp_master): Rename from expand_omp_master.
8246 (lower_omp_ordered): Rename from expand_omp_ordered.
8247 (lower_omp_critical): Rename from expand_omp_critical.
8248 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8249 (lower_omp_for): Re-implement.
8250 (lower_omp_parallel): Re-implement.
8251 (lower_regimplify): Rename from expand_regimplify.
8252 (lower_omp_1): Rename from expand_omp_1.
8253 If there are syntax errors in the program, replace every
8254 OpenMP directive with NOP.
8255 Call lower_omp_* instead of expand_omp_*.
8256 (lower_omp): Rename from expand_omp.
8258 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8259 * tree-gimple.h (enum omp_parallel_type): Remove.
8260 (gimple_boolify): Declare extern.
8261 (find_omp_clause, determine_parallel_type): Remove.
8263 * gimple-low.c (lower_omp_directive): New.
8264 (lower_stmt): Call it.
8265 (record_vars_into): Move from ...
8266 (record_vars): ... here.
8267 Call record_vars_into with current_function_decl.
8269 * gimplify.c (struct gimplify_ctx): Remove fields
8270 combined_pre_p and combined_ctxp. Update users.
8271 (get_formal_tmp_var): Add documentation.
8272 (gimple_boolify): Make extern.
8273 (gimplify_expr_in_ctx): Remove. Update callers.
8274 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8275 will always be a BIND_EXPR.
8276 (gimplify_expr): Handle OMP_RETURN_EXPR.
8277 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8278 (OMP_PARALLEL): Add 3 operands.
8279 (OMP_SECTIONS): Add 1 operand.
8280 (OMP_RETURN_EXPR): Define.
8282 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8283 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8284 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8285 creating a circular free list.
8286 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8288 * tree-flow.h (move_sese_region_to_fn): Declare.
8289 (record_vars_into): Declare.
8290 * tree-cfg.c (make_omp_sections_edges): New.
8291 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8292 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8293 OMP_SECTIONS and OMP_SECTION.
8294 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8295 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8296 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8297 (gather_blocks_in_sese_region): New.
8298 (struct move_stmt_d): Declare.
8300 (move_block_to_fn): New.
8301 (move_sese_region_to_fn): New.
8303 * passes.c (init_optimization_passes): Schedule
8304 pass_expand_omp after pass_init_datastructures.
8306 * tree-ssa-operands.c (get_expr_operands): Handle
8307 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8308 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8310 2006-01-19 Jeff Law <law@redhat.com>
8312 * tree-vrp.c (extract_range_from_assert): Refine the result range
8313 if the variable referenced by the ASSERT_EXPR has a range and
8314 either the tentative result range or the previous range is a
8317 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8319 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8321 2006-01-19 Jan Hubicka <jh@suse.cz>
8323 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8325 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8327 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8328 (expand_compound_operation, expand_field_assignment): Fail if the
8329 bit lengths of an extract operation are out of range.
8330 (make_extraction): Compute wanted_inner_mode based on the position
8331 and length of the extraction. Make it extraction_mode for non-constant
8332 positions, and do not modify offset in that case. When generating a
8333 new MEM, use a mode that can hold the extraction while keeping correct
8334 alignment. Remove code that supported MEMs wrapped by USEs.
8335 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8337 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8339 * config/s390/s390.md ("Y", "y"): New mode attribute.
8340 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8341 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8342 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8343 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8344 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8345 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8346 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8347 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8348 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8349 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8350 "addsi3", "subsi3"): Insn patterns removed.
8351 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8352 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8353 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8354 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8355 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8356 "*sub<mode>3_cconly2"): New insn patterns.
8357 ("addsi3", "subsi3"): New expanders.
8359 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8361 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8362 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8363 existing STMT_VINFO_VECTYPE if available.
8364 (vect_mark_relevant): Add special handling for stmts that are
8365 marked as STMT_VINFO_IN_PATTERN_P.
8366 (vect_analyze_loop): Call vect_pattern_recog.
8367 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8368 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8370 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8371 (vect_recog_func_ptr): New function-pointer type.
8372 * tree-vect-patterns.c: New file.
8373 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8374 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8375 (vect_pattern_recog_1): New functions.
8376 (vect_pattern_recog_funcs): New array of function pointers.
8378 * tree-vectorizer.h (ternary_op): New enum value.
8379 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8380 declaration. Revised documentation. Removed redundant dump prints.
8381 Removed redundant argument. Added support for reduction patterns.
8382 (vectorizable_reduction): Added support for reduction patterns.
8383 (vect_transform_stmt): Added support for patterns.
8385 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8386 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8387 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8388 (expand_widen_pattern_expr): New function.
8389 (init_optabs): Initialize new optabs udot_prod_optab,
8391 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8392 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8393 (expand_widen_pattern_expr): New function declaration.
8394 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8396 * tree-inline.c (estimate_num_insns_1): Added cases for new
8397 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8398 * tree-pretty-print.c (dump_generic_node): Likewise.
8399 (op_prio): Likewise.
8400 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8401 * tree-ssa-operands.c (get_expr_operands): Added case for
8403 * tree-vect-patterns.c (widened_name_p): New function.
8404 (vect_recog_dot_prod_pattern): Added function implementation.
8405 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8406 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8407 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8408 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8410 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8411 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8412 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8413 (init_optabs): Initialize new optabs widen_ssum_optab,
8415 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8416 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8417 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8418 use instead of type of def.
8419 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8420 function implementation.
8421 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8422 widen_ssumv8hi): New.
8424 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8427 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8430 * c-decl.c (add_flexible_array_elts_to_size): New function.
8431 (finish_decl): Use it.
8433 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8435 * diagnostic.h: Include options.h.
8436 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8437 dependancies for diagnostic.h.
8438 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8440 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8442 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8443 (ssa_ro_call_cache_valid): Ditto.
8444 * tree-ssa-alias.c (sort_tags_by_id): New function.
8445 (init_transitive_clobber_worklist): Ditto.
8446 (add_to_worklist): Ditto.
8447 (mark_aliases_call_clobbered): Ditto.
8448 (compute_tag_properties): Ditto.
8449 (set_initial_properties): Ditto.
8450 (compute_call_clobbered): Ditto.
8451 (compute_may_aliases): Call compute_call_clobbered and grouping.
8452 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8453 (compute_flow_insensitive_aliasing): Grouping now happens in our
8455 (setup_pointers_and_addressables): Remove clobbering related code.
8456 (add_may_alias): Ditto.
8457 (replace_may_alias): Ditto.
8458 (get_nmt_for): Ditto.
8459 (create_global_var):
8460 (is_escape_site): Return an escape_type enumeration.
8461 * tree-flow-inline.h (is_call_clobbered): Global var does not
8462 imply call clobbered.
8463 (mark_call_clobbered): Take a reason for marking this. Remove
8464 marking of globalness, and cache invalidation.
8465 (clear_call_clobbered): Remove cache invalidation code.
8466 * tree-dfa.c (dump_variable): If details is on, dump the reason
8468 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8470 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8471 (struct var_ann_d): Ditto.
8472 (enum escape_type): New.
8473 (mark_call_clobbered): Adjust prototype.
8474 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8475 are never call clobbered.
8476 Record reasons for escaping.
8477 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8478 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8479 (ssa_ro_call_cache_valid): Ditto.
8480 (clobbered_v_may_defs): Ditto.
8481 (clobbered_vuses): Ditto.
8482 (ro_call_vuses): Ditto.
8483 (clobber_stats): New.
8484 (init_ssa_operands): Zero out clobber stats.
8485 (fini_ssa_operands): Print out clobber stats.
8486 (get_call_expr_operands): Pass callee fndecl to
8488 (add_call_clobber_ops): Remove use of cache.
8489 Add use of PURE_CONST information.
8490 (add_call_read_ops): Remove use of cache.
8491 Add use of static not_read information.
8493 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8495 Introduce TLS descriptors for i386 and x86_64.
8496 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8497 (TARGET_ANY_GNU_TLS): New macro.
8498 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8499 (struct machine_function): Add tls_descriptor_call_expanded_p.
8500 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8501 (ix86_current_function_calls_tls_descriptor): Likewise.
8502 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8503 (override_options): Introduce gnu2 tls dialect.
8504 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8506 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8508 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8509 (ix86_init_machine_status): Initialize new field.
8510 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8511 (ix86_tls_module_base): New.
8512 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8513 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8514 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8515 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8516 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8517 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8518 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8519 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8520 * config/i386/predicates.md (tls_modbase_operand): New.
8521 (tp_or_register_operand): New.
8523 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8525 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8526 (look_for_address_of): Ditto.
8527 (ipa_init): Walk the function decls.
8528 (static_execute): Don't set readonly on FUNCTION_DECL's.
8530 2006-01-18 Roger Sayle <roger@eyesopen.com>
8532 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8533 for shifts where the source and destination registers are different.
8535 2006-01-18 Paul Brook <paul@codesourcery.com>
8537 Merge from csl-arm-branch.
8538 2005-03-14 Julian Brown <julian@codesourcery.com>
8539 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8540 (aeabi_llsl): Likewise.
8541 (ashrdi3): Likewise.
8542 (aeabi_lasr): Likewise.
8543 (lshrdi3): Likewise.
8544 (aeabi_llsr): Likewise.
8545 2005-03-10 Julian Brown <julian@codesourcery.com>
8546 * config.gcc: Disable shared libgcc for SymbianOS.
8547 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8549 2006-01-18 DJ Delorie <dj@redhat.com>
8551 * c-pragma.c (handle_pragma_diagnostic): New.
8552 (init_pragma): Register it.
8553 * doc/extend.texi: Document it.
8555 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8556 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8557 (diagnostic_context): Add classify_diagnostic[].
8558 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8559 as errors if they're overridden to DK_WARNING.
8560 (diagnostic_initialize): Initialize classify_diagnostic[].
8561 (diagnostic_set_kind_override): New.
8562 (diagnostic_report_diagnostic): Check for kind changes.
8563 * opts.c (common_handle_option): Take lang_mask. Update callers.
8565 * common.opt (Werror=): New.
8566 * doc/invoke.texi: Document -Werror=*
8568 2006-01-18 Jeff Law <law@redhat.com>
8570 * tree-vrp.c (test_for_singularity): Correct test for new
8571 min limit. Use operand_equal_p rather than pointer equality
8572 for testing if new min/max values are equal.
8574 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8575 using range information until after propagation and folding.
8577 2006-01-18 Richard Henderson <rth@redhat.com>
8578 Aldy Hernandez <aldyh@redhat.com>
8579 Jakub Jelinek <jakub@redhat.com>
8580 Diego Novillo <dnovillo@redhat.com>
8582 * omp-low.c: New file.
8583 * c-omp.c: New file.
8585 2006-01-18 Richard Henderson <rth@redhat.com>
8586 Jakub Jelinek <jakub@redhat.com>
8587 Diego Novillo <dnovillo@redhat.com>
8589 * doc/invoke.texi: Document -fopenmp.
8590 * tree-dump.h (debug_function): Declare.
8591 * hooks.c (hook_bool_tree_bool_false): New function.
8592 (hook_tree_tree_null): Remove.
8593 (hook_tree_tree_tree_null): New.
8594 * hooks.h: Update to match.
8595 * tree-pretty-print.c (debug_tree_chain): New.
8596 (print_generic_expr): Handle TDF_CHAIN.
8597 (dump_generic_node): Handle BLOCK.
8598 Do not abort with incomplete SWITCH_EXPRs.
8599 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8600 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8601 print space after directive name.
8602 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8603 Handle OMP_MASTER and OMP_ORDERED.
8604 Handle printing of OMP_BODY just in one place, goto
8605 dump_omp_body in the rest of OMP_* nodes that have
8607 Don't handle clause nodes here. Update omp statements to
8608 use dump_omp_clauses.
8609 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8610 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8611 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8612 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8613 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8614 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8615 Adjust output for GOMP_PARALLEL.
8616 (dump_omp_clauses): New.
8617 (print_declaration): Dump DECL_VALUE_EXPR.
8618 (op_symbol_1): Split out of op_symbol.
8619 (dumping_stmts): Remove. Update all users.
8620 * cgraph.c (cgraph_analyze_queue): New.
8621 (cgraph_add_new_function): New.
8622 * cgraph.h (cgraph_analyze_queue): Declare.
8623 (cgraph_add_new_function): Declare.
8624 (cgraph_lower_function): Remove.
8625 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8626 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8627 and TYPE_P nodes in its default clause.
8628 (empty_body_p): New.
8629 (tree_range_check_failed): New.
8631 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8632 OMP_CLAUSE_REDUCTION_MERGE,
8633 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8634 OMP_CLAUSE_PRIVATE_DEBUG,
8635 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8636 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8637 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8638 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8639 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8640 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8641 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8642 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8643 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8644 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8645 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8646 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8647 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8648 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8649 (TREE_RANGE_CHECK): New.
8650 (empty_body_p): Declare.
8651 (enum omp_clause_default_kind): New.
8652 (build_string_literal): Declare.
8653 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8654 (build5_stat, build5): Declare.
8655 * tree-pass.h (TDF_CHAIN): Define.
8656 * tree-pass.h (PROP_gimple_lomp): Define.
8657 (pass_lower_omp): Declare.
8658 * diagnostic.h (debug_tree_chain): Declare.
8659 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8661 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8662 * builtins.c (build_string_literal): Make extern.
8663 * gcc.c (include_spec_function): New.
8664 (static_spec_functions): Add it.
8665 (main): Move load of libgomp.spec ...
8666 (LINK_COMMAND_SPEC): ... here.
8667 (link_gomp_spec): New.
8668 (static_specs): Include it.
8669 (LINK_COMMAND_SPEC): Add link_gomp.
8670 (GOMP_SELF_SPECS): New.
8671 (driver_self_specs): Include it.
8672 (switch_matches): Don't mark inline.
8673 (main): Load libgomp.spec.
8674 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8675 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8676 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8677 * tree-gimple.h (enum omp_parallel): Declare.
8678 (determine_parallel_type): Declare.
8679 (omp_firstprivatize_variable): Declare.
8680 (omp_reduction_init): Declare.
8681 (diagnose_omp_structured_block_errors): Declare.
8682 (struct walk_stmt_info): Add want_return_expr.
8683 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8684 (find_omp_clause): Declare.
8685 (insert_field_into_struct): Declare.
8686 (struct walk_stmt_info): Move from tree-nested.c
8687 (walk_stmts): Declare.
8688 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8690 * cgraphunit.c (cgraph_lower_function): Make static.
8691 (cgraph_finalize_pending_functions): New.
8692 (cgraph_finalize_function): Call it.
8693 (cgraph_finalize_compilation_unit): Likewise.
8694 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8695 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8696 (BT_FN_UINT_UINT): New.
8697 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8698 DEF_FUNCTION_TYPE_VAR_4): Document.
8699 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8700 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8701 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8702 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8703 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8704 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8705 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8706 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8707 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8708 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8709 into separate files.
8710 (DEF_GOMP_BUILTIN): New.
8711 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8712 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8713 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8714 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8715 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8716 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8717 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8718 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8719 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8720 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8721 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8722 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8723 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8724 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8725 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8726 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8727 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8728 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8729 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8730 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8731 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8732 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8733 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8734 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8735 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8736 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8737 * sync-builtins.def: New file, moved from builtins.def.
8738 * omp-builtins.def: New file, moved from builtins.def.
8739 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8740 * gimple-low.c (lower_function_body): Clear data.
8741 (lower_stmt): Do not handle COMPOUND_EXPR.
8742 Remove call to print_node_brief.
8743 * c-tree.h (c_finish_omp_clauses): New prototype.
8744 (C_DECL_THREADPRIVATE_P): Define.
8745 (lookup_name_no_remap, c_omp_remap_private): Remove
8746 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8747 (check_for_loop_decls): Update decl.
8748 (lookup_name_no_remap, c_omp_remap_private): Declare.
8749 (build_indirect_ref, build_modify_expr, pushdecl,
8750 pushdecl_top_level): Move to c-common.h.
8751 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8752 before the switch, but just in the 2 places that need it.
8753 * c-decl.c (diagnose_mismatched_decls): Do not check for
8754 mismatched thread-local attributes when OLDDECL is marked
8755 threadprivate and NEWDECL has no thread-local attributes.
8756 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8757 (c_gimple_diagnostics_recursively): Rename from
8758 c_warn_unused_result_recursively. Invoke
8759 diagnose_omp_structured_block_errors.
8760 (check_for_loop_decls): Return a singular decl found.
8761 * langhooks.c (lhd_omp_predetermined_sharing): Return
8762 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8763 (lhd_omp_firstprivatize_type_sizes): New.
8764 (lhd_omp_assignment): New.
8765 (lhd_omp_predetermined_sharing): New.
8766 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8767 (struct lang_hooks_for_types): Add
8768 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8769 omp_predetermined_sharing, omp_disregard_value_expr,
8770 omp_private_debug_clause, omp_clause_default_ctor,
8771 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8772 (c_finish_omp_clauses): New.
8773 (c_finish_bc_stmt): Diagnose break within omp for.
8774 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8775 (build_unary_op): Return error_mark after reporting
8777 (build_modify_expr): Likewise.
8778 * gimplify.c: Include optabs.h and pointer-set.h.
8779 (enum gimplify_omp_var_data): Declare.
8780 (struct gimplify_omp_ctx): Declare.
8781 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8783 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8784 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8785 (splay_tree_compare_decl_uid): New.
8786 (new_omp_context): New.
8787 (delete_omp_context): New.
8788 (gimple_add_tmp_var): Call omp_add_variable.
8789 (gimplify_bind_expr): Likewise.
8790 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8791 true, disregard DECL_VALUE_EXPR on the decl if any.
8792 (gimplify_expr_in_ctx): New.
8793 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8794 omp_add_variable, omp_notice_variable, omp_is_private
8795 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8796 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8797 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8798 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8799 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8800 gimplify_omp_atomic): New.
8801 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8802 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8803 OMP_CRITICAL and OMP_ATOMIC.
8804 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8805 * c-pragma.h (enum pragma_kind): Add
8806 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8807 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8808 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8809 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8810 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8811 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8812 PRAGMA_OMP_THREADPRIVATE.
8813 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8814 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8815 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8816 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8817 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8818 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8819 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8820 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8821 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8822 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8823 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8824 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8825 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8827 (struct nesting_info): Add field_map,
8828 suppress_expansion, debug_var_chain.
8829 (create_nesting_tree): Initialize them.
8830 (lookup_field_for_decl): Use field_map.
8831 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8832 (convert_local_omp_clauses): New.
8833 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8834 (walk_body): Split out of walk_function.
8835 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8836 (convert_nonlocal_reference): Handle omp statements.
8837 (convert_local_reference): Likewise.
8838 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8839 (unnest_nesting_tree): New.
8840 (lower_nested_functions): Call it.
8841 (insert_field_into_struct): Make extern.
8842 (struct walk_stmt_info): Move to tree-gimple.h.
8843 (walk_stmts): Make extern.
8844 * omp-builtins.def: New file.
8845 * tree-iterator.c (expr_only): Clarify comment.
8846 * c-common.h (pushdecl_top_level, pushdecl,
8847 build_modify_expr, build_indirect_ref,
8848 c_finish_omp_master, c_finish_omp_critical,
8849 c_finish_omp_ordered, c_finish_omp_barrier,
8850 c_finish_omp_atomic, c_finish_omp_flush,
8851 c_finish_omp_for, c_split_parallel_clauses,
8852 omp_clause_default_kind, c_omp_sharing_predetermined,
8853 c_omp_remap_decl): Declare.
8854 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8855 (OBJS-common): Add omp-low.o.
8856 (c-omp.o, omp-low.o): Add.
8857 (gimplify.o): Add dependency on $(OPTABS_H).
8858 (GTFILES): Add omp-low.c.
8859 (gt-stringpool.h): Add.
8860 * tree-cfg.c (set_bb_for_stmt): Do not update the
8861 block-to-labels map if we are currently expanding to RTL.
8862 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8864 Handle IDENTIFIER_NODE.
8865 (tree_verify_flow_info): Do not ICE when emitting error
8866 messages about invalid labels.
8867 (dump_function_to_file): Reset CFUN before emitting the body
8869 (debug_function): New.
8870 * passes.c (init_optimization_passes): Schedule
8872 * langhooks-def.h (lhd_omp_predetermined_sharing,
8873 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8875 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8876 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8877 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8878 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8879 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8880 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8881 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8882 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8883 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8884 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8885 (LANG_HOOK_DECLS): Use them.
8887 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8888 Richard Henderson <rth@redhat.com>
8889 Jakub Jelinek <jakub@redhat.com>
8890 Diego Novillo <dnovillo@redhat.com>
8892 * c-parser.c (pragma_omp_clause): Define.
8893 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8894 (c_parser_compound_statement): Likewise.
8895 (c_parser_statement): Likewise.
8896 (c_parser_pragma): Handle omp pragmas.
8897 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8898 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8899 (c_parser_omp_clause_name, check_no_duplicate_clause,
8900 c_parser_omp_variable_list,
8901 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8902 c_parser_omp_clause_copyprivate,
8903 c_parser_omp_clause_default,
8904 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8905 c_parser_omp_clause_lastprivate,
8906 c_parser_omp_clause_nowait,
8907 c_parser_omp_clause_num_threads,
8908 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8909 c_parser_omp_clause_reduction,
8910 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8911 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8912 c_parser_omp_atomic, c_parser_omp_barrier,
8913 c_parser_omp_critical, c_parser_omp_flush,
8914 c_parser_omp_for_loop, c_parser_omp_for,
8915 c_parser_omp_master, c_parser_omp_ordered,
8916 c_parser_omp_sections_scope, c_parser_omp_sections,
8917 c_parser_omp_parallel, c_parser_omp_single,
8918 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8919 * c-pragma.c (init_pragma): Do omp pragma registration here.
8920 * c.opt (fopenmp): New flag.
8922 2006-01-18 Eric Christopher <echristo@apple.com>
8924 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8925 * config/darwin.h (GOMP_SELF_SPECS): Define.
8927 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8929 * rtl.h: Remove the prototype for reg_alloc.
8931 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8934 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8935 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8936 sjlj and dwarf2 exception handling.
8937 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8938 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8939 * pa/pa.c (function_value): Treat complex and vector types as
8941 (function_arg): Likewise. Only pass scalar floats in the floating
8942 point argument registers.
8943 * pa/t-slibgcc-dwarf-ver: New file.
8944 * pa/t-slibgcc-sjlj-ver: New file.
8945 * pa/t-slibgcc-elf-ver: Delete file.
8947 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8949 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8950 unlikely_test_section_p test.
8952 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8954 * mode-switching.c (optimize_mode_switching): Make it static.
8955 * basic-block.h: Remove the prototype for
8956 optimize_mode_switching.
8958 * modulo-sched.c (sms_schedule): Make it static.
8959 * rtl.h: Remove the prototype for sms_schedule.
8961 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8962 * rtl.h: Remove the prototype for gcse_after_reload_main.
8964 * reg-stack.c (reg_to_stack): Make it static.
8965 * rtl.h: Remove the prototype for reg_to_stack.
8967 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8969 * rtl.h: Remove the prototypes for regrename_optimize and
8970 copyprop_hardreg_forward.
8972 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8974 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8975 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8976 Test against the appropriate null constant for the mode.
8977 If 'fixup_overlap' is true, swap the operands if they overlap.
8978 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8979 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8980 alpha_split_tmode_pair and adjust for above change.
8981 * config/alpha/alpha.md (movtf_internal): Adjust call to
8982 alpha_split_tfmode_pair and rely on it to swap the operands.
8983 (movti_internal): New insn and post-reload splitter.
8984 (movti): New expander.
8986 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8988 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8991 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8993 * rtlanal.c (global_reg_mentioned_p_1,
8994 global_reg_mentioned_p): Remove.
8995 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8997 * flow.c (initialize_uninitialized_subregs): Make it static.
8998 * rtl.h: Remove the prototype for
8999 initialize_uninitialized_subregs.
9001 * function.c (instantiate_virtual_regs): Make it static.
9002 * function.h: Remove the prototype for
9003 instantiate_virtual_regs.
9005 * regmove.c (regmove_optimize, combine_stack_adjustments):
9007 * rtl.h: Remove the prototypes for regmove_optimize and
9008 combine_stack_adjustments.
9010 2006-01-17 Roger Sayle <roger@eyesopen.com>
9012 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9013 (size_cost): Encode costs in bytes so that a reg-reg addition is
9014 equivalent to COSTS_N_INSNS(1).
9015 (override_options): Use the size_cost.branch_cost as the default
9016 ix86_branch_cost when optimizing for size.
9018 2006-01-18 Ben Elliston <bje@au.ibm.com>
9020 * Makefile.in (D32PBIT_FUNCS): New.
9021 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9022 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9023 D64PBIT_FUNCS and D128PBIT_FUNCS.
9024 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9025 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9027 (decnumber_dep): Define.
9028 * doc/libgcc.texi (Decimal float library routines): New node.
9029 * config/dfp-bit.h, config/dfp-bit.c: New files.
9031 2006-01-18 Ben Elliston <bje@au.ibm.com>
9033 * expr.c (emit_move_change_mode): Always adjust addresses, not
9034 just during reload. Copy replacements only during reload.
9035 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9036 emit_move_via_integer.
9038 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9040 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9041 instead of $(srcdir) and ${srcdir}.
9043 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9047 * arm.h (struct machine_function): Add pic_reg.
9048 * arm.c (arm_pic_register): Make unsigned.
9049 (arm_override_options): Only set arm_pic_register if
9050 TARGET_SINGLE_PIC_BASE.
9051 (use_return_insn): Only test for a pic register if it is fixed.
9052 (arm_compute_save_reg0_reg12_mask): Likewise.
9053 (thumb_compute_save_reg_mask): Likewise.
9054 (legitimate_pic_operand): Factor out some known invariants.
9055 (legitimize_pic_address): If we don't have a fixed pic register,
9056 then set up a pseudo in the function entry sequence. Handle the
9057 pic base being in a pseudo.
9058 (arm_load_pic_register): Handle the pic register being in a pseudo.
9059 (arm_expand_prologue): Only set up the pic register if it is fixed.
9060 (thumb_expand_prologue): Likewise.
9061 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9062 (pic_load_addr_based_insn): Likewise.
9063 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9066 2006-01-18 Ben Elliston <bje@au.ibm.com>
9068 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9069 decimal float modes for all floating point registers.
9071 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9072 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9074 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9077 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9078 even when the pointer is not NULL.
9080 2006-01-16 Ian Lance Taylor <ian@airs.com>
9082 * common.opt (ftoplevel-reorder): New option.
9083 * cgraph.c (cgraph_asm_nodes): New global variable.
9084 (cgraph_asm_last_node): New static variable.
9085 (cgraph_order): New global variable.
9086 (cgraph_create_node): Set new order field.
9087 (cgraph_varpool_node): Likewise.
9088 (decide_is_variable_needed): Return true if not
9089 flag_toplevel_reorder.
9090 (cgraph_add_asm_node): New function.
9091 * cgraph.h (struct cgraph_node): Add order field.
9092 (struct cgraph_varpool_node): Add order field.
9093 (struct cgraph_asm_node): Define.
9094 (cgraph_asm_nodes, cgraph_order): Declare.
9095 (cgraph_add_asm_node): Declare.
9096 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9098 (cgraph_varpool_assemble_pending_decls): Call it.
9099 (cgraph_output_pending_asms): New static function.
9100 (cgraph_finalize_compilation_unit): Call it.
9101 (struct cgraph_order_sort): Define.
9102 (cgraph_output_in_order): New static function.
9103 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9104 !flag_toplevel_reorder case.
9105 * c-parser.c: Include "cgraph.h".
9106 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9108 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9109 than -fno-unit-at-a-time.
9110 * doc/invoke.texi (Option Summary): Mention
9111 -fno-toplevel-reorder.
9112 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9113 -funit-at-a-time documentation.
9115 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9116 Kazu Hirata <kazu@codesourcery.com>
9118 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9120 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9122 * Makefile.in (FUNCTION_H): New. Use it instead of
9123 function.h throughout the file.
9124 * function.h: Include tree.h.
9126 2006-01-17 Ben Elliston <bje@au.ibm.com>
9128 * recog.c: Separate some functions with whitespace.
9130 2006-01-16 Richard Henderson <rth@redhat.com>
9132 Merge from gomp branch:
9133 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9134 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9135 and rename from struct inline_data. Rename callee* to dst*;
9136 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9137 transform_new_cfg, transform_return_to_modify, and
9138 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9140 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9141 (copy_decl_for_dup): Remove.
9142 * tree-inline.c (struct inline_data): Move to header.
9143 (insert_decl_map): Export.
9144 (remap_decl): Update for member name changes. Use copy_decl hook.
9145 Allow for replacement to be a non-decl. Remove dead code.
9146 (remap_type_1): Check for existing mapping.
9147 (remap_type): Export.
9148 (remap_decls): Update for member name changes.
9149 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9150 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9151 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9152 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9153 (tree_function_versioning, build_duplicate_type): Likewise.
9154 (copy_body_r): Likewise. Export.
9155 (copy_decl_for_dup): Split into ...
9156 (copy_decl_for_dup_finish, copy_decl_to_var,
9157 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9158 (replace_ref_tree, inlining_p): Remove.
9160 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9162 * ifcvt.c (if_convert): Make it static.
9163 * rtl.h: Remove the prototype for if_convert.
9165 * local-alloc.c (local_alloc): Make it static.
9166 * rtl.h: Remove the prototype for local_alloc.
9168 * loop.c (loop_optimize): Make it static.
9169 * cfgloop.h: Remove the prototype for loop_optimize.
9172 2006-01-16 DJ Delorie <dj@redhat.com>
9174 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9177 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9179 * pa.md: Disparage copies between general and floating-point registers
9180 in 32-bit move patterns.
9182 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9185 * Makefile.in (check-%): Depend on site.exp instead of
9186 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9189 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9191 * global.c (global_alloc): Make it static.
9192 * rtl.h: Remove the prototype for global_alloc.
9194 2006-01-16 Richard Guenther <rguenther@suse.de>
9196 * tree-ssa-alias.c (struct used_part): Add write_only field.
9197 (get_or_create_used_part_for): Initialize it to true.
9198 (create_overlap_variables_for): Don't create structure variables
9199 for structures that only are written to.
9200 (find_used_portions): Handle MODIFY_EXPR to track whether a
9201 structure is only written to.
9203 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9205 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9207 * basic-block.h: Remove the prototype for
9208 partition_hot_cold_basic_blocks.
9210 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9212 * cppspec.c (lang_specific_spec_functions): Remove.
9213 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9214 * gcc.h (lang_specific_spec_functions): Remove.
9215 * gccspec.c (lang_specific_spec_functions): Remove.
9217 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9219 * combine.c (record_value_for_reg): Invalidate registers
9221 (record_dead_and_set_regs_1): Likewise, by passing them to
9222 record_value_for_reg.
9223 (record_dead_and_set_regs): Invalidate stores made by a
9224 call. We do not combine across a call, but we still
9225 relied on equivalences.
9227 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9229 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9230 vrp_int_const_binop returning non-constant nodes.
9232 2006-01-16 Paul Brook <paul@codesourcery.com>
9234 * config/m68k/m68k.c (output_move_const_into_data_reg):
9235 Output correct mnemonic for mvz and mvs.
9237 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9239 * rtl-factoring.c: Add sequence abstraction algorithm.
9240 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9241 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9243 (block_has_preserve_label): New function.
9244 * common.opt: Register new pass.
9245 * Makefile.in: Ditto.
9247 * timevar.def: Ditto.
9248 * tree-pass.h: Ditto.
9249 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9250 * rtl.h (make_jump_insn_raw): Add forward decl.
9251 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9253 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9254 Roger Sayle <roger@eyesopen.com>
9256 * fold-const.c (fold_minmax): New static function.
9257 (fold_binary) <MIN_EXPR>: Call it.
9258 <MAX_EXPR>: Likewise.
9259 * stor-layout.c (place_field): Use DECL_SIZE consistently
9260 in the computation of the new record size.
9262 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9264 * cse.c (cse_condition_code_reg): Make it static.
9265 * rtl.h: Remove the prototype for cse_condition_code_reg.
9267 * combine.c (combine_instructions): Make it static.
9268 * rtl.h: Remove the prototype for combine_instructions.
9270 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9273 * tree.c (get_file_function_name_long): Concatenate the first global
9274 object name with a string derived from the input filename of the object
9277 2006-01-16 Ben Elliston <bje@au.ibm.com>
9279 * config/i386/winnt-stubs.c: Update FSF address.
9280 * config/xtensa/ieee754-df.S: Ditto.
9281 * config/xtensa/ieee754-sf.S: Ditto.
9283 2006-01-14 Ian Lance Taylor <ian@airs.com>
9285 * ifcvt.c (noce_init_if_info): New static function, broken out of
9286 noce_process_if_block.
9287 (noce_process_if_block): Call noce_init_if_info.
9288 (check_cond_move_block): New static function.
9289 (cond_move_process_if_block): New static function.
9290 (process_if_block): Call cond_move_process_if_block.
9292 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9294 * cselib.c (hash_table): Rename to cselib_hash_table.
9295 (cselib_clear_table, discard_useless_values,
9296 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9297 cselib_init, cselib_finish): Adjust uses of hash_table.
9299 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9301 PR tree-optimization/25485
9302 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9303 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9304 is known to be false and true, respectively.
9306 2006-01-14 Richard Guenther <rguenther@suse.de>
9308 PR tree-optimization/22548
9309 PR tree-optimization/22555
9310 PR tree-optimization/22501
9311 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9312 * params.def (salias-max-array-elements): New parameter.
9313 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9314 * doc/invoke.texi (salias-max-array-elements): Document.
9315 * tree-flow-inline.h (var_can_have_subvars): We also handle
9317 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9319 * tree-ssa-structalias.c (params.h): Include.
9320 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9321 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9322 (get_constraint_for): For ADDR_EXPR operating on something
9323 containing an ARRAY_REF, add all subvars to the solution.
9324 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9325 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9326 for creating MUST_DEFs.
9327 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9329 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9331 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9333 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9334 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9335 number_of_iterations_le): New functions.
9336 (number_of_iterations_special): Removed.
9337 (number_of_iterations_exit): Do not use number_of_iterations_special.
9338 * tree.c (unsigned_type_for): Always return integer type.
9340 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9341 Richard Guenther <rguenther@suse.de>
9343 PR rtl-optimization/24257
9344 * gcse.c (find_moveable_store): Only consider a store movable
9345 when the SET_SRC of the insn can be assigned to a register.
9347 2006-01-14 Ian Lance Taylor <ian@airs.com>
9349 * tree.c (tree_not_class_check_failed): New function.
9350 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9351 (tree_not_class_check_failed): Declare.
9353 2006-01-13 Ian Lance Taylor <ian@airs.com>
9355 * reload1.c (do_output_reload): Add assertion rejecting a
9358 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9360 * combine.c (struct reg_stat): Add new fields truncation_label and
9362 (record_value_for_reg): Reset truncated_to_mode.
9363 (record_truncated_value): New function.
9364 (check_promoted_subreg): Call it. Rename to check_conversions.
9365 (combine_instructions): Rename check_promoted_subreg to
9367 (reg_truncated_to_mode): New function.
9368 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9369 (gen_lowpart_or_truncate): New function.
9370 (force_to_mode): Use it instead of gen_lowpart.
9372 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9374 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9375 VAR is a tag, not its type tag.
9377 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9379 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9380 alternatives to match style of other entries.
9381 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9383 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9385 PR tree-optimization/25771
9386 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9389 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9392 * tree-inline.c (declare_return_variable): If the return variable
9393 was marked as a non gimple complex, set the return slot variable
9394 to be a non gimple comple variable.
9396 2006-01-13 Richard Guenther <rguenther@suse.de>
9398 * builtins.c (expand_builtin_sincos): New function.
9399 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9401 (expand_builtin): Expand sincos using expand_builtin_sincos.
9403 2006-01-12 DJ Delorie <dj@redhat.com>
9405 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9406 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9407 so that constant shifts can be split.
9408 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9409 (m32c_valid_pointer_mode): Make static.
9410 (shift_gen_func_for): New.
9411 (m32c_prepare_shift): Use it. Split large const shifts into
9413 * config/m32c/predicates.md (shiftcount_operand): Allow more
9415 (longshiftcount_operand): New.
9416 * doc/md.texi (Machine Constraints): Document In6.
9418 2006-01-13 Ben Elliston <bje@au.ibm.com>
9420 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9421 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9424 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9426 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9427 to try to avoid clobbering pieces of structures when we know
9428 something about the whole structure.
9429 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9431 2006-01-13 Ben Elliston <bje@au.ibm.com>
9433 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9434 return in memory, as this is no limitation is no longer present.
9436 2006-01-12 DJ Delorie <dj@redhat.com>
9438 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9439 mova with fb, and for fb+0 -> An.
9441 * config/m32c/mov.md (peephole2): Fix enabling logic.
9443 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9444 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9445 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9446 FINI_ARRAY_SECTION_ASM_OP): Define.
9448 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9450 (m32c_legitimize_reload_address): New logic to reload FB to An.
9451 (m32c_output_reg_push): Add newline.
9452 (m32c_output_reg_pop): Likewise.
9454 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9456 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9458 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9460 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9462 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9464 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9467 2006-01-11 Ben Elliston <bje@au.ibm.com>
9469 * rtlanal.c (find_reg_note): Assert insn is not null.
9471 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9473 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9476 2006-01-11 Jeff Law <law@redhat.com>
9478 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9480 (mark_threaded_blocks, register_jump_thread): New functions.
9481 (thread_through_all_blocks): Remove unwanted argument. No
9482 longer rely on e->aux to communicate thread target info.
9483 Call mark_threaded_blocks. Release the threaded_blocks
9484 bitmap and threaded_edges vector when complete.
9485 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9486 (threaded_blocks): Remove.
9487 (tree_ssa_dominator_optimize): Remove initialization and
9488 finalization of threaded_blocks. Simplify call to
9489 thread_through_all_blocks.
9490 (thread_across_edge): Call register_jump_thread rather than
9491 storing thread information into e->aux.
9492 (free_all_edge_infos): Simplify now that e->aux is no longer
9493 used to communicate with thread_through_all_blocks.
9494 * tree-flow.h (thread_through_all_blocks): Update prototype.
9495 (register_jump_thread): Prototype.
9497 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9499 * df-core.c (df_compact_blocks, df_bb_replace): Use
9500 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9502 2006-01-11 Richard Guenther <rguenther@suse.de>
9504 PR tree-optimization/25734
9505 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9506 stop propagation after successful propagation to the LHS.
9508 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9510 * basic-block.h (control_flow_graph): Change the type of
9511 x_basic_block_info to VEC(basic_block,gc) *.
9512 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9514 (SET_BASIC_BLOCK): New.
9515 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9516 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9517 * cfgbuild.c (find_basic_blocks): Likewise.
9518 * cfglayout.c (fixup_reorder_chain): Likewise.
9519 * cfgrtl.c (create_basic_block_structure,
9520 rtl_create_basic_block): Likewise.
9521 * ifcvt.c (find_if_case_1): Likewise.
9522 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9525 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9527 * Makefile.in: Removed rotted odf.c entry.
9529 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9532 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9533 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9534 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9535 output pattern modifier, not %e.
9536 * config/cris/cris.c (cris_op_str): Update comment about pattern
9538 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9539 before falling through into...
9540 <case 'E'>: Redefined from old 'e' case.
9542 2006-01-11 Jan Hubicka <jh@suse.cz>
9545 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9547 2006-01-11 Jan Hubicka <jh@suse.cz>
9549 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9550 * i386.c (x86_decompose_lea): Kill.
9551 (ix86_rtx_costs): Kill.
9553 2006-01-11 Jan Hubicka <jh@suse.cz>
9555 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9556 * cgraph.h (cgraph_node): Add inline_decl.
9557 (cgraph_insert_node_to_hashtable): Declare.
9558 (save_inline_function_body): Declare.
9559 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9561 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9562 (cgraph_function_versioning): Update call of tree_function_versioning.
9563 (save_inline_function_body): New function.
9564 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9565 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9566 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9567 (cgraph_default_inline_p): Likewise.
9568 (cgraph_decide_inlining_incrementally): Likewise.
9569 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9570 (copy_bb): Kill saving; do updating of clones.
9571 (copy_cfg_body): Kill saving.
9572 (initialize_inlined-parameters): Likewise.
9573 (expand_call_inline): Likewise.
9575 (tree_function_versioning): New parameter "update_clones".
9576 (inlining_p): Kill saving.
9577 * tree-inline.h (tree_function_versioning): Update prototype.
9578 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9581 2006-01-11 Ian Lance Taylor <ian@airs.com>
9583 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9584 Allow undoing set of machine mode.
9585 (do_SUBST): Use enums instead of is_int.
9586 (do_SUBST_MODE): New function.
9587 (SUBST_MODE): New macro.
9588 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9589 reg and trying to replace reg_regno_rtx with a new register.
9590 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9591 (simplify_set): Use SUBST_MODE.
9592 (distribute_notes): Remove code that tried to update reg notes
9593 for regno_reg_rtx changes.
9595 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9597 PR tree-optimization/23109
9598 PR tree-optimization/23948
9599 PR tree-optimization/24123
9601 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9602 * tree-cfg.c (single_noncomplex_succ): New.
9603 * tree-flow.h (single_noncomplex_succ): Declare it.
9604 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9605 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9606 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9607 insert_bb, register_division_in, insert_reciprocals,
9608 replace_reciprocal, free_bb): New.
9609 (execute_cse_reciprocals_1): Rewritten.
9610 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9611 Do not commit any edge insertion. Always compute dominators and
9612 create the allocation pool.
9613 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9614 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9615 * targhooks.c (default_min_divistions_for_recip_mul): New.
9616 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9617 * passes.c (init_optimization_passes): Run recip after tree loop
9619 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9621 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9622 Kenneth Zadeck <zadeck@naturalbridge.com>
9624 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9625 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9626 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9627 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9628 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9629 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9630 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9631 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9632 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9633 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9634 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9635 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9636 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9637 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9638 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9639 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9640 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9641 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9642 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9643 DF_SCAN_POST_ALLOC): New macros.
9644 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9645 df_free_bb_function, df_local_compute_function, df_init_function,
9646 df_dataflow_function, df_confluence_function_0,
9647 df_confluence_function_n, df_transfer_function,
9648 df_finalizer_function, df_free_function, df_dump_problem_function,
9649 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9650 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9651 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9652 df_urec_bb_info, ) New types.
9653 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9655 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9656 df_analyze_simple_change_some_blocks,
9657 df_analyze_simple_change_one_block, df_compact_blocks,
9658 df_bb_replace, df_bb_regno_last_use_find,
9659 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9660 df_insn_regno_def_p, df_find_def, df_find_use,
9661 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9662 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9663 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9664 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9665 debug_df_chain, df_get_dependent_problem, df_chain_create,
9666 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9667 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9668 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9669 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9670 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9671 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9672 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9673 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9674 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9675 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9676 df_reorganize_refs, df_set_state, df_hard_reg_init,
9677 df_read_modify_subreg_p) New public functions.
9678 * df-core.c: The core dataflow solver and glue routines for rtl
9680 (df_init, df_add_problem, df_set_blocks, df_finish,
9681 df_hybrid_search_forward, df_hybrid_search_backward,
9682 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9683 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9684 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9685 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9686 df_reg_defined, df_find_use, df_reg_used, df_dump,
9687 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9688 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9689 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9690 debug_df_useno, reset_df_after_reload): New functions.
9691 * df-scan.c: The scanning fuctions, once in df.c, completely
9692 rewritten so that they now fully model the functionality of
9693 register usage at the backend.
9694 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9695 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9696 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9697 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9698 df_get_artificial_defs, df_get_artificial_uses,
9699 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9700 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9701 df_refs_delete, df_reorganize_refs, df_set_state,
9702 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9703 df_def_record_1, df_defs_record, df_uses_record,
9704 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9705 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9706 df_record_exit_block_uses, df_hard_reg_init): New functions.
9708 * df-problems.c: Seven concrete dataflow problems that use the
9709 scanning in df-scan.c and are solved by the engine in df-core.c.
9710 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9711 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9712 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9713 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9714 df_ru_free_bb_info, df_ru_alloc,
9715 df_ru_bb_local_compute_process_def,
9716 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9717 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9718 df_ru_transfer_function, df_ru_free, df_ru_dump,
9719 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9720 df_rd_free_bb_info, df_rd_alloc,
9721 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9722 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9723 df_rd_transfer_function, df_rd_free, df_rd_dump,
9724 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9725 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9726 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9727 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9728 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9729 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9730 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9731 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9732 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9733 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9734 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9735 df_urec_mark_reg_use_for_earlyclobber,
9736 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9737 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9738 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9739 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9740 df_chain_create_bb_process_use, df_chain_create_bb,
9741 df_chain_finalize, df_chain_free, df_chains_dump,
9742 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9743 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9744 df_reg_lifetime): New functions.
9745 * df.c: Deleted file.
9746 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9747 consistent with new df api.
9748 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9749 rest_of_handle_sms): Ditto.
9750 * web.c (unionfind_union, union_defs, entry_register, web_main):
9752 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9753 invariant_expr_equal_p, find_defs, check_dependencies,
9754 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9755 free_inv_motion_data, move_loop_invariants): Ditto.
9756 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9757 Update dependencies.
9758 (odf.c): Added defective entry that was deleted later in day.
9759 * sched-deps.c (sched_analyze_1): Ditto.
9761 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9763 * tree-ssa-operands.c (get_expr_operands): Record addressable
9764 variables directly. Do not call add_stmt_operands for CONST_DECLs
9766 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9767 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9769 2006-01-11 Ben Elliston <bje@au.ibm.com>
9771 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9772 function returns true in the positive case.
9774 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9777 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9778 for SI, DI, SF and DF modes. Add alternatives to copy between
9779 general and floating point registers to the 32-bit patterns.
9780 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9781 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9782 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9783 generating 64-bit code.
9784 * config/pa/pa.c (output_move_double): Handle copies between general
9785 and floating registers.
9787 2006-01-10 Stuart Hastings <stuart@apple.com>
9789 * config/i386/i386.md (set_got): Update.
9790 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9791 (builtin_setjmp_receiver): Mach-O support.
9792 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9793 (GOT_SYMBOL_NAME): Define.
9794 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9795 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9796 * config/i386/i386.c (override_options): Revise for Darwin.
9797 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9798 support. (darwin_x86_file_end): New. (output_set_got): Add label
9799 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9800 * config/i386/i386-protos.h (output_set_got): Likewise.
9801 * config/darwin.c (machopic_legitimize_pic_address): Update
9804 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9806 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9807 when MODE isn't BLKmode.
9809 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9811 PR rtl-optimization/25367
9812 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9814 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9817 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9818 for a negative bound.
9820 2006-01-10 Richard Guenther <rguenther@suse.de>
9822 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9823 Never override with anything constraint.
9825 2006-01-10 Jan Beulich <jbeulich@novell.com>
9827 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9828 256 bits when optimize_size.
9830 2006-01-10 Jan Beulich <jbeulich@novell.com>
9832 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9834 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9835 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9838 2006-01-10 Ben Elliston <bje@au.ibm.com>
9840 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9842 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9843 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9844 (USE_FP_FOR_ARG): Reject decimal float modes.
9845 (function_arg_advance): Likewise.
9846 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9847 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9848 point types in AltiVec vectors.
9849 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9850 (rs6000_libcall_value): Likewise.
9852 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9854 * config/xtensa/ieee754-df.S: New file.
9855 * config/xtensa/ieee754-sf.S: New file.
9856 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9857 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9858 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9860 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9862 * config/sh/predicates.md (binary_float_operator,
9863 binary_logical_operator, commutative_float_operator,
9864 equality_comparison_operator, greater_comparison_operator,
9865 less_comparison_operator, logical_operator,
9866 noncommutative_float_operator, shift_operator,
9867 symbol_ref_operand, unary_float_operator): Remove redundant
9870 2006-01-09 Jeff Law <law@redhat.com>
9872 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9873 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9874 now unused arguments. Callers updated.
9875 (eliminate_redundant_computations): Remove now unused arguments,
9877 (local_fold): Remove, no longer used.
9878 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9880 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9881 (simplify_cond): New function.
9882 (forward_propagate_into_cond): Call simplify_cond.
9884 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9886 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9887 (*vec_extractv2di_1_sse): New.
9889 2006-01-09 Ben Elliston <bje@au.ibm.com>
9891 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9893 2006-01-08 Richard Guenther <rguenther@suse.de>
9895 * tree-ssa-structalias.c (get_constraint_for): Remove
9897 (get_constraint_for_component_ref): Likewise.
9898 (do_deref): Likewise.
9899 (get_constraint_for): Likewise.
9900 (do_structure_copy): Likewise.
9901 (handle_ptr_arith): Likewise.
9902 (find_func_aliases): Likewise. Remove unused need_anyoffset
9905 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9906 Kaz Kojima <kkojima@gcc.gnu.org>
9908 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9909 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9910 (EXTRA_CONSTRAINT_C16): Remove.
9911 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9912 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9913 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9914 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9915 constants of SHmedia. Handle nested constant expressions of
9917 (andcosts): Fix the costs for SHmedia constants.
9918 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9919 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9920 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9921 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9922 (movv4hi_i, movv2si_i): Likewise.
9923 (movsi_const): Adjust the second operand of ior so to match with
9925 (movdi_const, movdi_const_32bit): Likewise.
9926 (movdi_const_16bit+1): Don't sign-extend LOW.
9927 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9929 (*double_shori): Fix the split condition. Use GEN_INT instead
9930 of get_int_mode calls. Mask lower 16-bit of the argument of
9932 (sym2GOTPLT): Remove.
9933 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9935 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9936 instead of EXTRA_CONSTRAINT_C16.
9938 2006-01-07 Ian Lance Taylor <ian@airs.com>
9939 David Edelsohn <edelsohn@gnu.org>
9941 PR rtl-optimization/25662
9942 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9943 for constant operands instead of simplify_gen_binary.
9944 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9945 after trying simplify_binary_operation
9947 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9949 * tree.c (iterative_hash_expr): Hash decls based on UID.
9951 2006-01-06 Eric Christopher <echristo@apple.com>
9953 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9954 (TARGET_UNWIND_EMIT): Fix spelling.
9955 * target.h (gcc_target): Add except_table_label.
9956 * except.c (output_function_exception_table): Use.
9957 * varasm.c (default_emit_except_table_label): New.
9958 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9960 (asm_out): Add here.
9961 * output.h (default_emit_except_table_label): Prototype.
9962 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9963 * config/darwin.c (darwin_emit_except_table_label): Define.
9964 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9966 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9968 PR tree-optimization/18527
9969 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9970 number_of_iterations_special, number_of_iterations_exit):
9971 Move base and step of an iv to a single structure. Add
9972 no_overflow flag, and use it in # of iterations analysis.
9973 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9974 folded_casts argument.
9975 (simple_iv): Pass base and step in a structure. Set no_overflow
9977 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9978 Evaluate expensiveness of computing # of iterations instead of
9979 the final expression.
9980 * tree-scalar-evolution.h (affine_iv): New structure.
9981 (simple_iv): Declaration changed.
9982 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9983 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9984 find_givs_in_stmt): Changed due to simple_iv change.
9986 2006-01-06 Jeff Law <law@redhat.com>
9989 * tree-cfg.c (bsi_replace): Rename final argument from
9990 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9991 change (stmt -> orig_stmt).
9992 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9993 (bsi_remove): Add new argument. Remove EH information
9995 (verify_eh_throw_table_statements): New function.
9996 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9998 * tree-optimize.c (execute_free_cfg_annotations): Verify
9999 the EH throw statement table after removing annotations.
10000 * except.h (verify_eh_throw_table_statements): Prototype.
10001 * tree-flow.h (bsi_remove): Update prototype.
10002 * tree-vrp.c (remove_range_assertions): Add new argument to
10004 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10005 * tree-complex.c (expand_complex_div_wide): Likewise.
10006 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10007 * tree-tailcall.c (eliminate_tailcall): Likewise.
10008 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10009 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10010 * tree-nrv.c (tree_nrv): Likewise.
10011 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10012 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10013 (combine_blocks): Likewise.
10014 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10015 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10016 (cleanup_control_flow): Likewise.
10017 (remove_forwarder_block): Likewise.
10018 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10019 * tree-sra.c (sra_replace): Likewise.
10020 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10021 (forward_propagate_single_use_vars): Likewise.
10022 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10023 * tree-inline.c (expand_call_inline): Likewise.
10024 * tree-vect-transform.c (vect_transform_loop): Likewise.
10025 * tree-outof-ssa.c (rewrite_trees): Likewise.
10026 * tree-cfg.c (make_goto_expr_edges): Likewise.
10027 (cleanup_dead_labels): Likewise.
10028 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10029 (bsi_move_before, bsi_move_after): Likewise.
10030 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10031 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10033 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10036 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10038 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10039 on non gimple variables. Also add checks at the top for decls and
10041 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10043 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10044 and IMAGPART_EXPR for creating MUST_DEFs.
10045 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10046 and NAME_MEMORY_TAG separately from the DECLs.
10048 2006-01-06 Richard Guenther <rguenther@suse.de>
10050 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10051 annotation, if necessary.
10052 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10053 redundant calls to update_stmt.
10054 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10057 2006-01-05 Richard Henderson <rth@redhat.com>
10059 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10061 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10063 * c-typeck.c: Update copyright date.
10065 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10067 * c-typeck.c (build_c_cast): Always warn when casting
10068 from a pointer to an integer of different size, even if
10069 the node was constant.
10071 2006-01-05 Richard Guenther <rguenther@suse.de>
10073 PR tree-optimization/22555
10074 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10075 if one structure field is an array.
10076 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10077 operands even if we found a subvar, but ignore VOPs in this
10079 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10081 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10083 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10085 PR middle-end/24998
10086 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10088 2006-01-05 Richard Guenther <rguenther@suse.de>
10089 Diego Novillo <dnovillo@redhat.com>
10091 * tree-pass.h (TODO_remove_unused_locals): Define.
10092 * gimple-low.c (expand_var_p, remove_useless_vars,
10093 pass_remove_useless_vars): Remove. Update all users.
10094 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10095 (remove_unused_locals): New function.
10096 * tree-flow.h (remove_unused_locals): Declare.
10097 * passes.c (execute_todo): Call remove_unused_locals if
10098 TODO_remove_unused_locals is set.
10099 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10100 * tree-ssa-dce.c (pass_dce): Likewise.
10101 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10103 2006-01-05 Richard Guenther <rguenther@suse.de>
10105 * tree-flow.h (struct fieldoff): Decompose field to
10106 type, size and decl.
10107 * tree-ssa-alias.c (create_sft): Take type as parameter.
10108 (create_overlap_variables_for): Store type, size and decl
10109 in the fieldoff structure.
10110 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10111 of struct fieldoff.
10112 (push_fields_onto_fieldstack): Likewise.
10113 (create_variable_info_for): Likewise. Use offset for the
10114 SFT name if the decl is not available.
10116 2006-01-04 Paul Brook <paul@codesourcery.com>
10118 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10120 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10122 * lambda-code.c (can_put_in_inner_loop): Relax
10124 (can_put_after_inner_loop): New function.
10125 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10126 (perfect_nestify): Change to make copies and modify uses.
10128 2006-01-04 Richard Henderson <rth@redhat.com>
10130 Merge from gomp branch:
10131 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10132 via integer constant.
10133 (pragma_lex): Remove.
10134 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10135 rather than parsing it.
10136 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10137 handle_pragma_extern_prefix): Add %< %> quotes.
10138 (registered_pragmas): New.
10139 (c_register_pragma_1): New.
10140 (c_register_pragma): Use it.
10141 (c_register_pragma_with_expansion): Likewise.
10142 (c_invoke_pragma_handler): New.
10143 (init_pragma): Use cpp_register_deferred_pragma directly for
10145 * c-pragma.h (enum pragma_kind): New.
10146 (pragma_handler): New.
10147 (c_invoke_pragma_handler): Declare.
10148 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10150 * c-common.h (c_common_pch_pragma): Update decl.
10151 * Makefile.in (c-parser.o): Update dependencies.
10152 (GTFILES): Add c-pragma.h.
10153 * c-parser.c (struct c_token): Add pragma_kind.
10154 (struct c_parser): Add in_pragma.
10155 (c_lex_one_token): Always initialize keyword and pragma_kind.
10156 Extract data for CPP_PRAGMA.
10157 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10158 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10159 Don't allow CPP_PRAGMA_EOL if in_pragma.
10160 (c_parser_consume_pragma): New.
10161 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10162 (c_parser_skip_to_end_of_parameter): Likewise.
10163 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10164 (c_parser_skip_to_pragma_eol): New.
10165 (c_parser_external_declaration): Handle CPP_PRAGMA.
10166 (c_parser_compound_statement_nostart): Likewise.
10167 (c_parser_statement_after_labels): Likewise.
10168 (c_parser_pragma): New.
10169 (pragma_lex): Likewise.
10170 (c_parser_pragma_pch_preprocess): New.
10171 (c_parser_new): Merge into ...
10172 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10174 2006-01-04 Jeff Law <law@redhat.com>
10177 * tree-cfg.c (bsi_replace): Remove the original statement
10178 from the EH throw statement table.
10180 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10182 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10183 make the prototype extern "C" and add throw ().
10186 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10187 and pos non-negative and pos + len <= 32.
10188 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10189 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10190 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10193 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10194 as well as sizes not multiple of component size.
10197 * function.c (instantiate_expr): New function.
10198 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10199 walk its DECL_VALUE_EXPR with instantiate_expr.
10201 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10202 DW_OP_deref{,_size} if address isn't going to be added.
10204 2006-01-04 Ben Elliston <bje@au.ibm.com>
10206 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10207 * config/fp-bit.c: Likewise.
10209 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10211 * dominance.c: Add comment about why we use DFS numbering
10214 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10215 Richard Henderson <rth@redhat.com>
10217 Merge from gomp-branch:
10218 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10219 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10221 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10223 PR rtl-optimization/25578
10224 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10225 pass a parameter to simplify_shift_const if changing ASHIFTRT
10228 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10230 * builtins.c (get_builtin_sync_mem): New function.
10231 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10232 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10233 Call get_builtin_sync_mem to generate mem rtx.
10235 2006-01-03 Richard Guenther <rguenther@suse.de>
10238 * stmt.c (add_case_node): Make sure to clear overflow flags
10241 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10243 Merge from gomp-branch.
10244 * config/sparc/sync.md: New file.
10245 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10246 UNSPECV_LDSTUB): New constants.
10247 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10248 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10249 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10252 2006-01-03 Roger Sayle <roger@eyesopen.com>
10254 * combine.c (reg_subword_p): New predicate to test whether the
10255 destination of a set refers to a subword/piece of a register.
10256 (try_combine): Generalize the code to merge the setting of a
10257 pseudo to a constant followed by a set of a subword of that
10258 register to a constant.
10260 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10262 * basic-block.h (control_flow_graph): Change the type of
10263 x_label_to_block_map to VEC(basic_block,gc) *.
10264 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10265 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10267 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10268 VEC(basic_block,heap) *.
10269 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10270 ssa_prop_fini): Adjust the uses of cfg_blocks.
10272 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10274 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10276 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10277 hashing trees instead of a pointer hash.
10278 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10279 compare for MEM_EXPR.
10281 PR rtl-optimization/25130
10282 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10283 when comparing MEMs for GCSE
10285 2006-01-03 Ben Elliston <bje@au.ibm.com>
10287 * targhooks.h (default_decimal_float_supported_p): Declare.
10288 * targhooks.c (default_decimal_float_supported_p): Define.
10289 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10290 `default_decimal_float_supported_p'.
10291 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10293 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10295 * combine.c (apply_distributive_law <SUBREG>): Check
10296 TRULY_NOOP_TRUNCATION.
10298 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10300 * dwarf2out.c (have_switched_text_section): Delete.
10301 (have_multiple_function_sections): New.
10302 (have_location_lists): Make 'bool'.
10303 (add_AT_loc_list): Use 'true' not '1'.
10304 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10305 (output_loc_list): Use have_multiple_function_sections.
10306 (output_ranges): Likewise.
10307 (dwarf2out_begin_function): Set have_multiple_function_sections if
10309 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10310 Check function_section rather than DECL_SECTION_NAME.
10311 (dwarf2out_finish): Use have_multiple_function_sections.
10312 Don't clear have_location_lists.
10314 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10315 Jan Hubicka <jh@suse.cz>
10317 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10318 case of conditional jump jumping to the next instruction.
10319 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10320 cases of conditional jump jumping to the next instruction.
10322 2006-01-02 Jan Hubicka <jh@suse.cz>
10324 * i386.c (*_cost): Add COSTS_N_INSNS.
10325 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10327 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10330 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10332 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10334 * config/arm/arm.c (all_fpus): Fix comment typo.
10335 * config/darwin.c: Likewise.
10336 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10337 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10338 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10340 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10342 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10343 (rs6000_split_compare_and_swapqhi): New.
10344 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10345 (sync_compare_and_swapqhi_internal): New.
10346 * config/rs6000/rs6000-protos.h: Declare.
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