1 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5 (expand_omp_parallel): Likewise.
6 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10 on statement list containing also constructors and destructors.
11 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
14 * except.c (duplicate_eh_regions): Fix clearing of
15 cfun->eh->region_array entries.
17 2006-05-01 DJ Delorie <dj@redhat.com>
19 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
21 (gcc_cv_objdump): Likewise.
22 * configure: Regenerated.
24 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
27 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
28 templates for case 3 and 4.
30 2006-05-01 DJ Delorie <dj@redhat.com>
32 * vec.c: Include bconfig.h when appropriate.
33 * Makefile.in (build/vec.o): Adjust dependencies.
34 * mkconfig.sh: Make sure config.h isn't used for build machine
37 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
39 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
41 (mark_phi_for_rewrite): New function.
42 (insert_phi_nodes_for, mark_use_interesting): Call
44 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
45 (update_ssa): Initialize and free phis_to_rewrite.
47 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
49 PR rtl-optimization/27291
50 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
53 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
55 PR tree-optimization/27283
56 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
57 not whole # of iteration descriptions.
58 (niter_for_exit): Return just # of iterations. Fail if # of iterations
59 uses abnormal ssa name.
60 (niter_for_single_dom_exit): Ditto.
61 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
62 return just the number of iterations.
64 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
66 PR tree-optimization/27144
67 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
68 (record_estimate): Only record constant upper bound.
69 (infer_loop_bounds_from_undefined): Call
70 compute_estimated_nb_iterations just once.
71 (proved_non_wrapping_p): Renamed to ...
72 (n_of_executions_at_most): ... this. Expect bound to be a constant.
73 (convert_step_widening, scev_probably_wraps_p): Call
74 n_of_executions_at_most instead of proved_non_wrapping_p.
75 (substitute_in_loop_info): Do not replace values in bounds.
76 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
79 2006-05-01 Richard Henderson <rth@redhat.com>
82 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
83 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
86 2006-05-01 Roger Sayle <roger@eyesopen.com>
88 * c-typeck.c (parser_build_binary_op): Don't call the function
89 unsigned_conversion_warning to spot operand/result type overflow.
90 (build_binary_op): Instead, call convert_and_check instead of
91 convert to report the problem when the operands are promoted.
92 * c-common.c (unsigned_conversion_warning): Make static.
93 * c-common.h (unsigned_conversion_warning): Delete prototype.
95 2006-05-01 Richard Guenther <rguenther@suse.de>
97 PR tree-optimization/26726
98 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
100 (find_interesting_uses_address): ... we work around here
101 by folding INDIRECT_REFs in the substituted base.
103 2006-05-01 Diego Novillo <dnovillo@redhat.com>
105 * omp-low.c (dump_omp_region): Add newlines.
107 2006-04-30 Roger Sayle <roger@eyesopen.com>
109 * common.opt (Woverflow): New command line option.
110 * c-common.c (constant_expression_warning): Check warn_overflow.
111 (overflow_waring): Pass OPT_Woverflow to warning.
112 (unsigned_conversion_warning): Likewise.
113 (convert_and_check): Likewise.
114 * doc/invoke.texi: Document new command line option.
116 2006-04-30 David Edelsohn <edelsohn@gnu.org>
118 * config/rs6000/rs6000.c (rs6000_override_options): Enable
119 TARGET_NO_FP_IN_TOC for section anchors.
120 (optimization_options): Enable section anchors for all
121 non-"Objective" languages.
123 2006-04-28 Eric Christopher <echristo@apple.com>
125 * config/darwin-c.c (darwin_ms_struct): Move this
126 (darwin_set_default_type_attributes): and this...
127 * config/darwin.c: ... here.
128 * config/darwin.h (darwin_ms_struct): Declare.
130 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
132 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
134 2006-04-28 Roger Sayle <roger@eyesopen.com>
137 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
138 (push_array_bounds): Delete prototype. Change BOUNDS argument to
139 an unsigned HOST_WIDE_INT.
140 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
142 (really_start_incremental_init): No need to call convert because
143 bitsize_zero_node is already of type bitsizetype.
144 (push_init_level): Extract the value of constructor_index as an
145 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
146 (process_init_element): Likewise.
148 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
150 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
151 value before passing to make_relative_prefix.
153 2006-04-28 Alan Modra <amodra@bigpond.net.au>
156 * builtins.c (expand_builtin_memset): Expand val in original mode.
158 2006-04-27 Eric Christopher <echristo@apple.com>
160 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
162 * config/darwin-c.c (darwin_ms_struct): New.
163 (darwin_pragma_ms_struct): Ditto.
164 (darwin_set_default_type_attributes): Ditto.
165 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
166 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
167 Register ms_struct pragma.
168 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
169 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
170 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
171 darwin_set_default_type_attributes if TARGET_MACHO.
173 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
175 PR tree-optimization/26854
176 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
177 * doc/tree-ssa.texi: Update immuse iterator documentation.
178 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
179 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
180 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
181 first_safe_imm_use, next_safe_imm_use): Remove.
182 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
183 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
184 (move_use_after_head): New. Helper function to sort immuses in a stmt.
185 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
186 (first_imm_use_stmt): New. Get first stmt in an immuse list.
187 (next_imm_use_stmt): New. Get next stmt in an immuse list.
188 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
189 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
190 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
191 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
192 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
193 (perfect_nestify): Use new iterator.
194 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
196 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
197 (next_imm_name): New field in struct immediate_use_iterator_d.
198 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
199 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
200 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
201 * tree-cfg.c (replace_uses_by): Use new iterator.
202 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
203 * tree-ssa-operands.c (correct_use_link): Remove.
204 (finalize_ssa_use_ops): No longer call correct_use_link.
206 2006-04-27 Stuart Hastings <stuart@apple.com>
208 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
209 * config/t-darwin (crt3.o): Use it.
210 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
211 'pmode', use Pmode instead of SImode for SYMBOL_REF.
212 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
213 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
214 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
217 2006-04-27 Roger Sayle <roger@eyesopen.com>
219 * expmed.c (store_fixed_bit_field): If we're not optimizing for
220 size, force the intermediate into a new pseudo rather instead of
221 performing both a bitwise AND and a bitwise IOR in memory.
223 2006-04-27 Richard Guenther <rguenther@suse.de>
225 PR rtl-optimization/26685
226 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
227 this one "max-flow-memory-locations".
229 2006-04-27 Richard Guenther <rguenther@suse.de>
231 PR tree-optimization/25148
232 * tree-vrp.c (compare_values): Remove code dealing with
233 comparisons against type min/max value. Honour overflow
234 and negative constants in code dealing with comparisons
235 of plus and minus expressions.
236 (value_inside_range): Use fold_binary with LE_EXPR and
237 GE_EXPR rather than compare_values.
239 2006-04-27 Dirk Mueller <dmueller@suse.de>
241 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
244 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
246 * basic-block.h (safe_insert_insn_on_edge): Removed.
247 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
250 2006-04-26 David Edelsohn <edelsohn@gnu.org>
251 Paolo Bonzini <bonzini@gnu.org>
254 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
255 (simplify_and_const_int): Same.
257 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
259 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
261 2006-04-26 Jakub Jelinek <jakub@redhat.com>
264 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
265 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
266 cgraph_global_info_ready.
269 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
272 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
273 either decl or init is error_mark_node.
276 * tree-flow.h (struct omp_region): Add sched_kind.
277 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
278 instead of extracting omp for data.
279 (expand_omp_for): Save extracted sched_kind.
281 2006-04-25 Roger Sayle <roger@eyesopen.com>
283 * expmed.c (store_bit_field): Also check whether the bitsize is
284 valid for the machine's "insv" instruction before moving the
285 target into a pseudo for use with the insv.
286 * config/i386/predicates.md (const8_operand): New predicate.
287 * config/i386/i386.md (extv, extzv, insv): Use the new
288 const8_operand predicate where appropriate.
290 2006-04-25 DJ Delorie <dj@redhat.com>
292 * doc/install.texi (Specific): Clarify that this is not a list of
293 supported hosts or targets.
295 2006-04-25 Richard Sandiford <richard@codesourcery.com>
297 PR rtl-optimization/26725
298 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
299 block's BB_DIRTY flag.
301 2006-04-25 Geoffrey Keating <geoffk@apple.com>
303 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
306 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
309 2006-04-25 David Edelsohn <edelsohn@gnu.org>
311 * varasm.c (align_variable): New function.
312 (get_block_for_decl): Apply align_variable to DECL before
313 calculating section information.
314 (assemble_variable): Split out alignment computation.
316 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
318 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
321 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
323 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
324 MODE_PARTIAL_INT mode.
325 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
326 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
328 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
329 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
331 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
333 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
335 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
336 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
337 MACFLAG_IH): Likewise.
338 (movstricthi_1): Renamed from "*movstricthi".
339 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
340 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
341 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
342 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
343 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
344 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
345 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
346 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
347 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
348 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
349 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
350 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
351 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
352 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
353 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
355 * doc/rtl.texi (ss_ashift): Improve wording.
357 2006-04-24 Geoffrey Keating <geoffk@apple.com>
359 * dwarf2out.c (verify_marks_clear): New.
360 (prune_unused_types): Call verify_marks_clear initially, not
363 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
365 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
366 * doc/rtl.texi: Document them.
367 * simplify-rtx.c (simplify_unary_operation,
368 simplify_binary_operation_1): Don't abort when we see them.
370 2006-04-24 Mark Mitchell <mark@codesourcery.com>
373 2006-04-23 Mark Mitchell <mark@codesourcery.com>
374 * configure.ac: Completely disregard languages that are not
376 * configure: Regenerated.
378 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
379 Richard Guenther <rguenther@suse.de>
381 PR tree-optimization/27236
382 * tree-inline.c (copy_body_r): Make sure to copy
383 TREE_THIS_VOLATILE flag.
385 2006-04-24 Richard Guenther <rguenther@suse.de>
388 * tree-complex.c (update_parameter_components): Don't handle
389 unused parameters which have no default def.
391 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
392 Richard Guenther <rguenther@suse.de>
394 PR tree-optimization/27218
395 * tree-inline.c (expand_call_inline): Strip useless type
396 conversions for the return slot address.
398 2006-04-24 Richard Guenther <rguenther@suse.de>
400 * cfgloop.h (struct loops): Remove unused field array. Reorder
402 (LOOP_PREFETCH): Remove.
404 2006-04-24 Richard Guenther <rguenther@suse.de>
406 PR tree-optimization/22525
407 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
408 variable, adjust types of generated expressions.
410 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
412 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
413 (tree-vect-patterns.o): Likewise.
415 (cselib.o): Likewise.
416 (loop-doloop.o): Likewise.
417 (regclass.o): Likewise.
418 (reload1.o): Likewise.
419 (explow.o): Replace target.h with $(TARGET_H).
420 (ipa-prop.o): Likewise.
421 (ipa-cp.o): Likewise.
422 (ipa-inline.o): Likewise.
424 (reg-stack.o): Likewise.
426 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
428 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
430 2006-04-23 Mark Mitchell <mark@codesourcery.com>
432 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
434 * configure.ac: Completely disregard languages that are not
436 * configure: Regenerated.
439 * c-common.h (c_build_bitfield_integer_type): Declare.
440 * c-decl.c (c_build_bitfield_integer_type): Move to ...
441 * c-common.c (c_build_bitfield_integer_type): ... here.
443 2006-04-23 Roger Sayle <roger@eyesopen.com>
446 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
447 a SImode SUBREG of a floating point register after no_new_pseudos.
449 2006-04-23 Roger Sayle <roger@eyesopen.com>
451 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
452 identify potentially eliminable registers to additionally catch
453 VIRTUAL_INCOMING_ARGS_REGNUM.
454 (addsi3): Update the conditions on when to use addsi_small_int.
456 2006-04-23 Roger Sayle <roger@eyesopen.com>
459 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
460 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
461 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
463 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
465 * fold-const.c (range_predecessor): Use operand_equal_p
466 as the predicate for equality.
467 (range_successor): Likewise.
469 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
472 * config/soft-fp/op-common.h: Fix a typo.
474 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
477 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
478 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
480 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
482 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
484 * doc/tm.texi: Fix a typo.
486 2006-04-21 Geoffrey Keating <geoffk@apple.com>
488 * dwarf2out.c (struct die_struct): Document that die_sib makes
489 a circular linked list.
490 (FOR_EACH_CHILD): New.
491 (reverse_die_lists): Delete.
492 (reverse_all_dies): Delete.
493 (add_dwarf_attr): Correct documentation.
494 (remove_child_with_prev): New.
495 (remove_child_TAG): Update for change to die_struct, use
496 remove_child_with_prev.
497 (add_child_die): Update for change to die_struct.
498 (splice_child_die): Use remove_child_with_prev and add_child_die.
499 (print_die): Use FOR_EACH_CHILD.
500 (die_checksum): Likewise.
501 (assign_symbol_names): Likewise.
502 (output_location_lists): Likewise.
503 (build_abbrev_table): Likewise.
504 (calc_die_sizes): Likewise.
505 (mark_dies): Likewise.
506 (unmark_dies): Likewise.
507 (unmark_all_dies): Likewise.
508 (output_die): Likewise.
509 (prune_unused_types_mark): Likewise.
510 (prune_unused_types_walk): Likewise.
511 (same_die_p): Update for change to die_struct.
512 (break_out_includes): Likewise.
513 (prune_unused_types_prune): Likewise.
514 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
515 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
517 (dwarf2out_finish): Don't call reverse_all_dies.
519 2006-04-21 Eric Christopher <echristo@apple.com>
521 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
522 in comments and function names.
524 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
527 * c-typeck.c (digest_init): Robustify.
529 * c-typeck.c (pop_init_level): Simplify.
531 2006-04-21 Steve Ellcey <sje@cup.hp.com>
533 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
535 2006-04-21 Paul Brook <paul@codesourcery.com>
537 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
538 hardware floating point.
540 2006-04-21 David Edelsohn <edelsohn@gnu.org>
542 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
545 2006-04-21 Nick Clifton <nickc@redhat.com>
547 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
550 2006-04-21 Alan Modra <amodra@bigpond.net.au>
553 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
554 C++ lang type in traceback table for Objective-C++.
556 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
558 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
560 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
562 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
565 * tree-mudflap.c (mudflap_finish_file): Skip function when there
566 were errors. Remove check for erroneous objects.
568 2006-04-20 Jeff Law <law@redhat.com>
570 PR tree-optimization/26854
571 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
572 checking for zero or one use.
573 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
574 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
575 * tree-ssa-reassoc.c (negate_value): Similarly.
576 (reassociate_bb): Similarly.
578 2006-04-20 Jakub Jelinek <jakub@redhat.com>
580 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
581 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
582 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
584 2006-04-20 Alan Modra <amodra@bigpond.net.au>
586 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
587 fp regs if the last fp arg doesn't fit in regs.
589 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
592 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
593 that the last insn has the REG_INC note.
595 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
596 Nathan Sidwell <nathan@codesourcery.com>
599 * stor-layout.c (update_alignment_for_field): Do not align
601 (place_union_field): Place union field at the start of the union.
602 (place_field): Move ERROR_MARK check later, and use the current
603 allocation position to maintain monotonicity.
605 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
607 * dominance.c: Include timevar.h.
608 (calculate_dominance_info): Use TV_DOMINANCE.
609 * timevar.def (TV_DOMINANCE): New timevar.
610 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
612 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
614 PR rtl-optimization/14261
615 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
616 move would be an INSV insn.
617 (noce_process_if_block): Don't optimize if the destination is a
618 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
620 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
622 * config/s390/s390.md: Add comments with the instructions emitted
623 by an insn pattern if macros are used.
625 2006-04-19 Alan Modra <amodra@bigpond.net.au>
627 PR rtl-optimization/26026
628 * fold-const.c (fold_binary): Optimize div and mod where the divisor
629 is a known power of two shifted left a variable amount.
631 2006-04-18 Geoffrey Keating <geoffk@apple.com>
633 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
634 to hash table twice when the debug_str section has SECTION_MERGE.
636 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
638 * config/soft-fp: New directory. From glibc.
639 * config/soft-fp/t-softfp: New.
640 * config/soft-fp/README: New.
641 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
642 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
643 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
644 (LIBGCC_DEPS): Add $(SFP_MACHINE).
645 * config.gcc: Use rs6000/t-fprules-fpbit or
646 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
648 * config/rs6000/sfp-machine.h: New. Based on glibc.
649 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
651 * config/rs6000/t-fprules: Remove fp-bit rules.
652 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
653 * config/rs6000/t-linux64: Likewise. Remove duplicates from
654 LIB2FUNCS_EXTRA. Remove fp-bit rules.
655 (softfp_wrap_start, softfp_wrap_end): New.
657 2006-04-18 DJ Delorie <dj@redhat.com>
659 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
661 2006-04-18 Devang Patel <dpatel@apple.com>
663 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
665 2006-04-18 Nick Clifton <nickc@redhat.com>
667 * config/sh/t-symbian: Add rule to build sh-c.o
668 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
669 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
670 (sh_symbian_encode_section_info): Likewise.
672 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
674 * builtins.c (expand_builtin_strcmp): Cover label definition of
675 do_libcall with HAVE_cmpstrnsi.
677 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
679 * function.c (temp_slots_at_level, max_slot_level): Use VEC
681 * function.h (temp_slot_p): New.
682 (function): Change the type of x_used_temp_slots to
683 VEC(temp_slot_p,gc) *.
685 2006-04-18 Nick Clifton <nickc@redhat.com>
687 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
688 flag_strength_reduce.
690 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
692 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
696 Partial revert of revision 112637
697 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
698 Dale Johannesen <dalej@apple.com>
701 * regclass.c (struct reg_pref): Update documentation.
702 (regclass): Set prefclass to NO_REGS if memory is the best option.
703 (record_reg_classes): Cope with a prefclass set to NO_REGS.
705 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
707 PR tree-optimization/26821
708 * tree-ssa-math-opts.c (get_constant_one): New.
709 (insert_reciprocals): Use it.
711 2006-04-17 Geoffrey Keating <geoffk@apple.com>
713 * dwarf2out.c (free_AT): Delete.
714 (remove_AT): Update string ref counts.
715 (remove_child_TAG): Don't call free_die.
717 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
719 (prune_unused_types_walk_attribs): Reset string refcounts.
720 (prune_unused_types_update_strings): New.
721 (prune_unused_types_prune): Don't make unnecessary stores. Don't
722 call free_die. Do call prune_unused_types_update_strings.
723 (prune_unused_types): Empty debug_str_hash.
725 2006-04-17 Roger Sayle <roger@eyesopen.com>
727 * expr.c (expand_assignment): Optimize away no-op moves where the
728 source and destination are equal and have no side-effects.
730 2006-04-17 Richard Guenther <rguenther@suse.de>
733 * reload.c (push_reload): Guard calls to get_secondary_mem
736 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
738 * alias.c (reg_base_value, old_reg_base_value): Change the
739 type to VEC(rtx,gc) *.
740 (REG_BASE_VALUE, find_base_value, record_set,
741 init_alias_analysis): Use VEC instead of VARRAY.
743 * alias.c (alias_sets): Change the type to
744 VEC(alias_set_entry,gc) *.
745 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
746 VEC instead of VARRAY.
747 (last_alias_set): Remove.
749 * cgraph.h (cgraph_edge_p): New.
750 Update the prototype of cgraph_function_versioning.
751 * cgraphunit.c (cgraph_copy_node_for_versioning,
752 cgraph_function_versioning): Use VEC instead of VARRAY.
753 * ipa-cp.c (ipcp_insert_stage): Likewise.
755 2006-04-16 Roger Sayle <roger@eyesopen.com>
758 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
759 "A op B" or "A op C", we may need to convert A to the type of B and C.
761 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
763 * target.h (struct gcc_target): Add mode_rep_extended.
764 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
765 (init_num_sign_bit_copies_in_rep): Initialize it using
767 (truncate_to_mode): Use it.
768 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
769 * targhooks.h (default_mode_rep_extended): Declare it.
770 * targhooks.c (default_mode_rep_extended): Define it.
771 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
772 default_mode_rep_extended.
773 (TARGET_INITIALIZER): Include it.
774 * doc/tm.texi (Misc): Document it.
775 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
776 (mips_truncated_to_mode): New function.
778 2006-04-16 Roger Sayle <roger@eyesopen.com>
781 * expr.c (compress_float_constant): Copy the narrow constant into
782 a new pseudo before extending it to its final width.
784 2006-04-16 Roger Sayle <roger@eyesopen.com>
785 Andrew Pinski <pinskia@gcc.gnu.org>
786 Dale Johannesen <dalej@apple.com>
789 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
790 special case code to implement V8HImode and V16QImode with SSE2.
792 2006-04-15 Roger Sayle <roger@eyesopen.com>
794 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
795 trees are constructed with a suitable tree type.
797 2006-04-15 Roger Sayle <roger@eyesopen.com>
799 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
800 (integer_onep): Likewise.
801 (integer_all_onesp): Likewise.
802 (integer_pow2p): Likewise.
803 (integer_nonzerop): Likewise.
804 (real_zerop): Likewise.
805 (real_onep): Likewise.
806 (real_twop): Likewise.
807 (real_minus_onep): Likewise.
808 (int_size_in_bytes): Likewise.
809 (host_integerp): Likewise.
811 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
813 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
814 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
815 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
817 * tree-ssa-structalias.h (alias_info): Remove num_references.
819 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
821 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
822 (output_bvb patterns): Likewise.
823 * pa.c (output_bb): Use 'bb' insn for long branch case.
824 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
825 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
826 1. Correct length operand for alternatives 1 and 2.
827 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
828 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
830 2006-04-14 Roger Sayle <roger@eyesopen.com>
832 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
833 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
834 were accidentally reverted by r112959.
836 2006-04-15 Jakub Jelinek <jakub@redhat.com>
839 * except.h (eh_region_outermost): New prototype.
840 * except.c (eh_region_outermost): New function.
841 * tree-cfg.c (find_outermost_region_in_block): Use it.
843 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
845 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
847 * reload1.c (reg_equiv_memory_loc_varray): Rename to
848 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
849 (init_reload, reload): Use VEC instead of VARRAY.
850 * reload.h: Update the prototype for
851 reg_equiv_memory_loc_varray.
853 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
854 Eric Botcazou <ebotcazou@libertysurf.fr>
856 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
859 2005-04-13 Uros Bizjak <uros@kss-loka.si>
862 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
863 to expand fallback builtin function call.
865 2006-04-14 Alan Modra <amodra@bigpond.net.au>
868 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
869 and emit libcall here in case the builtin fails.
870 (expand_builtin_strcmp): Always emit the libcall here on failure.
872 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
874 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
875 * flow.c (reg_n_info): Change the type to
876 VEC(reg_info_p,heap) *.
877 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
879 * regs.h (reg_info_p): New.
880 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
881 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
882 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
885 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
887 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
889 * params.h (MAX_SCHED_READY_INSNS): New macro.
890 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
891 past MAX_SCHED_READY_INSNS during the first scheduling pass.
892 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
893 the ready list for 1 cycle during the first scheduling pass.
894 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
896 2006-04-13 Richard Henderson <rth@redhat.com>
899 * gimple-low.c (lower_omp_directive): Remove dead code.
900 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
901 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
902 * omp-low.c (struct omp_region): Move to tree-flow.h.
903 (root_omp_region): Export.
904 (omp_regions, lookup_omp_region): Remove.
905 (determine_parallel_type): Update for struct omp_region changes.
906 (dump_omp_region): Dump regions with block numbers.
907 (new_omp_region): Take type and block instead of stmt; malloc
909 (free_omp_region_1, free_omp_regions): New.
910 (expand_parallel_call): Take entry_stmt as argument; update for
911 changes to omp_region.
912 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
913 (remove_exit_barriers): New.
914 (expand_omp_parallel): Update for struct omp_region changes.
915 (expand_omp_synch): Likewise.
916 (expand_omp): Likewise.
917 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
918 (expand_omp_for_static_chunk): Likewise.
919 (expand_omp_for): Likewise.
920 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
921 (expand_omp_sections): Similarly, with GOMP_sections_end.
922 (expand_omp_single): New.
923 (build_omp_regions_1): Update for OMP_CONTINUE.
924 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
925 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
926 OMP_SECTIONS_SECTIONS.
927 (lower_omp_single_simple): Don't emit barrier here.
928 (lower_omp_single_copy): Likewise.
929 (lower_omp_single): Fix bindings, and lower to straightline now.
930 (lower_omp_master, lower_omp_ordered): Likewise.
931 (lower_omp_critical): Likewise.
932 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
933 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
934 omp edges, free it afterward.
935 (make_omp_sections_edges): Remove.
936 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
937 (move_stmt_r): Handle OMP_CONTINUE.
938 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
939 statement pointers to basic blocks. Add type member.
940 (root_omp_region, new_omp_region, free_omp_regions): Declare.
941 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
942 * tree-inline.c (estimate_num_insns_1): Likewise.
943 * tree-pretty-print.c (dump_generic_node): Likewise.
944 * tree-ssa-operands.c (get_expr_operands): Likewise.
945 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
946 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
948 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
949 (OMP_SECTIONS_SECTIONS): Remove.
950 (OMP_SECTION_LAST): New.
951 (OMP_RETURN_NOWAIT): New.
953 2006-04-13 Roger Sayle <roger@eyesopen.com>
955 * fold-const.c (native_encode_vector, native_interpret_real):
956 Correct obvious mistakes in the previous check-in.
958 2006-04-13 Roger Sayle <roger@eyesopen.com>
960 * fold-const.c (native_encode_expr): New function to encode
961 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
962 or VECTOR_CST into a specified buffer.
963 (native_encode_int): New function.
964 (native_encode_real): New function.
965 (native_encode_complex): New function.
966 (native_encode_vector): New function.
967 (native_interpret_expr): Inverse of native_encode_expr to convert
968 a target representation into an INTEGER_CST, REAL_CST etc...
969 (native_interpret_int): New function.
970 (native_interpret_real): New function.
971 (native_interpret_complex): New function.
972 (native_interpret_vector): New function.
973 (fold_view_convert_expr): New function to constant fold/evaluate
974 a VIEW_CONVERT_EXPR of a suitable constant expression.
975 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
976 Change call of build1 to fold_build1 when constructing a
979 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
980 Ulrich Weigand <uweigand@de.ibm.com>
983 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
986 2006-04-13 Alan Modra <amodra@bigpond.net.au>
989 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
990 optimize to lo_sum for DFmode if !TARGET_FPRS.
992 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
994 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
995 delete_alias_info, compute_flow_sensitive_aliasing,
996 group_aliases): Use VEC instead of VARRAY.
997 * tree-ssa-structalias.c (update_alias_info): Likewise.
998 * tree-ssa-structalias.h (alias_info): Change the type of
999 processed_ptrs to VEC(tree,heap) *.
1001 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1004 * config/sh/lib1funcs.h: New file, broken out of:
1005 * config/sh/lib1funcs.asm.
1006 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1008 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1009 * config/sh/lib1funcs-Os-4-200.asm: New file.
1010 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1011 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1012 (EXTRA_MULTILIB_PARTS): Include it.
1013 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1014 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1015 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1016 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1019 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1021 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1022 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1023 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1025 * tree-ssa-live.h: Include vecprim.h.
1026 (tree_partition_associator_d): Change the type of
1027 first_partition to VEC(int,heap) *.
1028 (tpa_first_partition): Use VEC instead of VARRAY.
1030 * Makefile.in (GTFILES): Move functions.h after tree.h.
1031 * function.c (reset_block_changes, record_block_change,
1032 check_block_change, free_block_changes): Use VEC instead of
1034 * function.h (function): Change the type of
1035 ib_boundaries_block to VEC(tree,gc) *.
1036 * tree-inline.c (copy_cfg_body): Initialize
1037 ib_boundaries_block to NULL instead of (varray_type) 0.
1039 2006-04-12 Roger Sayle <roger@eyesopen.com>
1041 * expr.c (emit_group_store): Correct operand order in call to
1042 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1043 a SUBREG_BYTE of zero.
1045 2006-04-12 Richard Guenther <rguenther@suse.de>
1047 * profile.c (compute_branch_probabilities): Remove code
1048 encapsulated in !ir_type (), which are remanents of the
1049 removed RTL profiling code.
1050 * rtl-profile.c: Remove.
1052 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1054 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1055 magic NULL_RTX comment.
1056 (function_arg): Store entire fp arg to mem if any part should go
1058 (rs6000_arg_partial_bytes): Adjust for above change.
1060 2006-04-11 Roger Sayle <roger@eyesopen.com>
1062 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1063 if it hasn't been initialized by dwarf2out_init.
1065 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1067 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1068 symbolic constants in branch patterns.
1070 2006-04-11 Roger Sayle <roger@eyesopen.com>
1072 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1074 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1076 PR rtl-optimization/27073
1077 * gcse.c (try_replace_reg): Revert last change. Continue to search
1078 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1081 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1083 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1084 aggregate types other than record and union types.
1085 (function_arg): Likewise.
1086 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1088 (function_value): In 64-bit mode, return objects that require it
1091 2006-04-11 Roger Sayle <roger@eyesopen.com>
1093 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1095 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1097 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1099 2006-04-03 Jeff Law <law@redhat.com>
1102 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1103 alias information too.
1105 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1107 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1109 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1112 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1113 (premark_used_types_helper): New.
1114 (premark_used_types): New.
1115 (gen_subprogram_die): Call premark_used_types.
1116 (prune_unused_types_walk): Do not prune perennial dies.
1117 * function.c (used_types_insert): New.
1118 * function.h (struct function): Add used_types_hash field.
1119 (used_types_insert): Add prototype.
1120 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1121 * c-parser.c (c_parser_cast_expression): Save casted types in used
1124 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1127 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1128 rs6000_explicit_options.float_gprs.
1130 2006-04-10 Roger Sayle <roger@eyesopen.com>
1132 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1133 from ix86_expand_vector_init_low_nonzero. Take an additional
1134 one_var argument indicating which element is non-zero. Support
1135 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1136 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1137 with one_var instead of ix86_expand_vector_init_low_nonzero.
1139 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1141 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1142 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1143 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1144 build/genextract.o): Depend on vecprim.h.
1145 * cfglayout.c, df-problems.c, function.c, genextract.c,
1146 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1147 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1151 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1153 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1154 Declare VECs of this type.
1155 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1156 (remove_children): Delete.
1157 (add_dwarf_attr): Use VEC routines.
1158 (add_AT_flag): Update for changes to add_dwarf_attr.
1159 (add_AT_int): Likewise.
1160 (add_AT_unsigned): Likewise.
1161 (add_AT_long_long): Likewise.
1162 (add_AT_vec): Likewise.
1163 (add_AT_string): Likewise.
1164 (add_AT_die_ref): Likewise.
1165 (add_AT_fde_ref): Likewise.
1166 (add_AT_loc): Likewise.
1167 (add_AT_loc_list): Likewise.
1168 (add_AT_addr): Likewise.
1169 (add_AT_lbl_id): Likewise.
1170 (add_AT_lineptr): Likewise.
1171 (add_AT_macptr): Likewise.
1172 (add_AT_offset): Likewise.
1173 (add_AT_range_list): Likewise.
1174 (get_AT): Use VEC_iterate.
1175 (remove_AT): Use VEC_ordered_remove.
1176 (free_die): Fold remove_children into here; have it use VEC_iterate.
1177 (print_die): Use VEC_iterate on attrs.
1178 (reverse_die_lists): Don't reverse attr lists.
1179 (die_checksum): Use VEC_iterate on attrs.
1180 (same_die_p): Likewise.
1181 (output_location_lists): Likewise.
1182 (build_abbrev_table): Likewise.
1183 (size_of_die): Likewise.
1184 (unmark_all_dies): Likewise.
1185 (output_abbrev_section): Likewise.
1186 (output_die): Likewise.
1187 (prune_unused_types_walk_attribs): Likewise.
1189 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1191 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1193 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1196 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1198 2006-04-09 Roger Sayle <roger@eyesopen.com>
1200 * expr.c (store_constructor): Don't bother clearing target if
1201 we're about to assign a vector to it using vec_init_optab.
1203 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1205 * tree-ssa-alias.c (lhs_may_store_to): New function.
1206 (recalculate_used_alone): Handle LHS of calls.
1208 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1212 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1213 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1214 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1215 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1216 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1217 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1218 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1219 stubs. Add ".align 8" directives before all ".dword" directives.
1220 (GTHREAD_USE_WEAK): Revise comment.
1221 (TARGET_ATTRIBUTE_WEAK): Define.
1222 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1223 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1224 * stublib.c: New file.
1229 * pa.md (cbranch patterns): Revise arguments used in calls to
1230 output_cbranch, output_bb and output_bvd. Add long branch length
1232 (fbranch patterns): Handle long branches.
1233 (jump): Revise length check. Revise arguments for output_lbranch call.
1234 Add long branch length attributes.
1235 (decrement_and_branch_until_zero): Add long branch length attributes.
1236 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1237 Likewise. Revise arguments for output_parallel_addb and
1238 output_parallel_movb calls.
1239 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1240 output_parallel_movb and output_parallel_addb): Update prototypes.
1241 * pa.c (output_cbranch): Revise arguments. Correct handling of
1242 nullification in long branches.
1243 (output_lbranch): Add new argument to control extraction of delay
1245 (output_bb): Handle long branches.
1246 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1247 output_parallel_addb): Likewise.
1249 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1251 PR rtl-optimization/27073
1252 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1255 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1257 * tree.h (tree_memory_tag): Add old_used_alone.
1258 (SMT_OLD_USED_ALONE): New macro.
1259 * tree-ssa-alias.c (recalculate_used_alone): Stop
1260 marking things for renaming unnecessarily.
1262 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1264 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1265 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1266 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1267 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1268 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1269 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1270 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1271 spelling convensions.
1272 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1273 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1274 typos. Follow spelling conventions.
1276 2006-04-07 DJ Delorie <dj@redhat.com>
1278 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1279 passed on the stack.
1280 (m32c_init_cumulative_args): When a function returns a structure,
1281 always pass the pointer to that return area on the stack.
1282 (m32c_function_arg_advance): Don't increment the parameter number
1283 if we're processing the returned structure pointer.
1284 (pushm_info): Reverse order of registers.
1286 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1288 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1289 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1290 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1291 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1293 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1294 chrec_fold_multiply): Same.
1295 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1296 force_expr_to_var_cost): Same.
1297 * tree-mudflap.c (mf_xform_derefs_1): Same.
1298 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1300 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1302 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1303 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1306 2006-04-07 Jan Hubicka <jh@suse.cz>
1308 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1310 2006-04-07 Richard Guenther <rguenther@suse.de>
1312 PR tree-optimization/26135
1313 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1314 loads for store copy-prop.
1315 (copy_prop_visit_stmt): Likewise.
1317 2006-04-05 Robert Millan <robertmh@gnu.org>
1319 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1320 being overriden in config/k*bsd-gnu.h.
1321 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1323 * gcc/config/knetbsd-gnu.h: Ditto.
1325 2006-04-06 Jan Hubicka <jh@suse.cz>
1329 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1332 2006-04-06 Mike Stump <mrs@apple.com>
1334 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1335 for HAVE_nonlocal_goto to be consistent.
1336 (expand_builtin_nonlocal_goto): Likewise.
1337 (expand_builtin_strcmp): Use #ifdef instead of #if
1338 for HAVE_cmpstrnsi to be consistent.
1340 2006-04-05 DJ Delorie <dj@redhat.com>
1342 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1345 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1347 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1348 got-relative addressing for anything but SImode.
1350 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1351 even if the calling function doesn't modify them.
1353 2006-04-05 Richard Guenther <rguenther@suse.de>
1355 PR tree-optimization/26919
1356 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1357 to cgraph_estimate_size_after_inlining.
1359 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1361 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1363 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1365 PR tree-optimization/26996
1366 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1367 VECTOR_TYPE variables.
1369 2006-04-05 Richard Guenther <rguenther@suse.de>
1371 PR tree-optimization/26763
1372 * fold-const.c (fold_comparison): Move folding of
1373 PTR + CST CMP PTR + CST ...
1374 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1376 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1378 * doc/install.texi (Prerequisites): Refine some wording on
1379 bootstrapping and ksh.
1380 Move the version numbers of DejaGnu here from the testing section
1381 and fix casing of names.
1382 Fix markup and clarify wording for autogen requirements.
1383 Refer to GCJ instead of just java.
1384 Refer to SVN instead of CVS.
1385 Describe diffutils as useful instead of necessary.
1386 (Downloading the source): Refer to SVN instead of CVS.
1387 Adjust a link to our web site accordingly.
1388 (Configuration): Fix casing of Bison.
1389 (Building): Refer to SVN instead of CVS.
1390 Fix a sentence on the use of Bison and remove duplicate (and
1391 incorrect) version number of Bison requirement.
1392 Remove one redundant list of packages needed for building.
1393 (Specific): Avoid reference to CVS.
1395 2006-04-04 Eric Christopher <echristo@apple.com>
1397 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1398 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1399 (rs6000_handle_struct_attribute): New.
1400 (rs6000_ms_bitfield_layout_p): Ditto.
1402 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1404 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1405 NULL for dso parameter to atexit_common.
1407 2006-04-04 Eric Christopher <echristo@apple.com>
1409 * config/i386/i386.c (machopic_output_stub): Output \t
1410 between instructions and operands.
1412 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1414 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1415 satisfies_constraint_[IL] to explicit tests on value.
1417 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1419 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1420 set_nb_iterations_in_loop): Use build_int_cst instead of
1422 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1423 build_int_cst instead of convert.
1425 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1427 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1428 new value 2 for incoming.
1429 * function.c (expand_function_start): Call struct_value_rtx
1431 * config/sparc/sparc.md: Comment updated_return.
1432 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1433 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1434 struct return if sparc_std_struct_return and incoming is 2.
1435 (print_operand): Do not adjust return if
1436 sparc_std_struct_return.
1438 2006-04-04 Roger Sayle <roger@eyesopen.com>
1440 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1441 convert in the middle-end.
1442 * expr.c (store_expr, store_constructor, get_inner_reference,
1443 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1445 * tree.c (build_range_type): Likewise.
1447 2006-04-04 Tom Tromey <tromey@redhat.com>
1449 * doc/install.texi (Prerequisites): Mention jar.
1451 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1453 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1456 2006-04-04 Matthias Klose <doko@debian.org>
1458 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1459 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1462 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1464 * doc/extend.texi (Function Attributes): Rewrite visibility
1465 attribute documentation.
1466 * doc/invoke.texi (C++ Dialect Options): Rewrite
1467 -fvisibility-inlines-hidden documentation to describe something
1468 entirely different, although in practise compatible.
1469 (Code Gen Options): Warn about system headers in -fvisibiltity=
1472 * doc/extend.texi (Other Builtins): Document that
1473 __builtin_nan is a compile-time constant only when its argument
1476 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1478 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1479 trying to remove TRUNCATE check if all bits outside the new mode
1480 are identical to the sign bit.
1482 2006-04-03 Jeff Law <law@redhat.com>
1484 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1485 and operand scanning in some common cases.
1487 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1488 Dale Johannesen <dalej@apple.com>
1491 * regclass.c (struct reg_pref): Update documentation.
1492 (regclass): Set prefclass to NO_REGS if memory is the best option.
1493 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1494 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1495 into account. For non-registers, equate an empty preferred
1496 reload class to a `!' in the constraint; move the if clause to
1497 do so after those that reject the insn.
1498 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1500 (find_dummy_reload): Likewise.
1501 * doc/tm.texi (Register Classes): Document what it means
1502 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1503 * config/i386/i386.c (ix86_preferred_reload_class): Force
1504 using SSE registers (and return NO_REGS for floating-point
1505 constants) if math is done with SSE.
1506 (ix86_preferred_output_reload_class): New.
1507 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1508 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1509 * config/i386/i386.md: Remove # register preferences.
1511 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1514 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1515 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1516 the type of nb_iter.
1517 (instantiate_parameters_1): Convert the operands before calling
1518 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1519 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1521 2006-04-02 Roger Sayle <roger@eyesopen.com>
1523 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1524 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1526 * dojump.c (do_jump): Likewise.
1527 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1528 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1529 gimplify_boolean_expr): Likewise.
1530 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1531 * varasm.c (array_size_for_constructor): Likewise.
1532 * tree-object-size.c (compute_object_offset): Likewise.
1534 2006-04-02 Roger Sayle <roger@eyesopen.com>
1537 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1538 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1540 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1542 PR tree-optimization/26939
1543 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1545 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1547 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1548 at_stmt. Convert the type of operands before calling
1549 build_polynomial_chrec.
1550 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1552 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1553 (instantiate_parameters_1): Convert the type of operands before calling
1554 build_polynomial_chrec.
1555 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1556 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1557 reset_evolution_in_loop): Insert asserts to check the types of the
1559 (chrec_type): Moved...
1560 (eq_evolutions_p): Use operand_equal_p.
1561 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1562 the types of the operands.
1563 (chrec_type): ...here.
1564 * tree-data-ref.c (create_data_ref): Convert the operands before
1565 calling chrec_replace_initial_condition.
1566 (same_access_functions, analyze_subscript_affine_affine,
1567 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1568 (compute_subscript_distance, analyze_ziv_subscript,
1569 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1570 analyze_miv_subscript): Convert the operands before calling
1571 chrec_fold_minus or chrec_fold_plus.
1573 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1575 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1576 the dependence_relations vector.
1577 (compute_data_dependences_for_loop): Adjust call to
1578 compute_all_dependences.
1580 2006-04-01 Roger Sayle <roger@eyesopen.com>
1581 Richard Henderson <rth@redhat.com>
1583 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1584 gimple_boolify on the condition before calling gimplify_expr.
1586 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1588 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1589 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1590 the frame size. Update to use the new macros.
1591 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1592 * config/xtensa/ieee754-df.S: Likewise.
1594 2006-03-31 Richard Henderson <rth@redhat.com>
1596 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1597 (make_edges): ... here. Control fallthru creation with a local
1598 variable. Do not play with fake edges.
1599 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1600 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1603 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1605 * dwarf2.h (DW64_CIE_ID): Define.
1606 * dwarf2out.c (DWARF_CIE_ID): Define.
1607 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1608 length header. Use DWARF_CIE_ID.
1609 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1610 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1612 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1614 * config/sh/linux-atomic.asm: New file.
1615 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1617 2006-03-31 DJ Delorie <dj@redhat.com>
1619 * config/m32c/cond.md: Set condition flags properly throughout.
1620 * config/m32c/minmax.md: Likewise.
1621 * config/m32c/prologue.md: Likewise.
1622 * config/m32c/bitops.md: Likewise.
1623 * config/m32c/muldiv.md: Likewise.
1624 * config/m32c/mov.md: Likewise.
1625 * config/m32c/addsub.md: Likewise.
1626 * config/m32c/m32c.md: Likewise.
1627 * config/m32c/jump.md: Likewise.
1628 * config/m32c/shift.md: Likewise.
1630 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1631 conditionally output the pattern for this.
1632 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1633 (m32c_compare_redundant): New.
1634 (m32c_output_compare): New.
1635 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1637 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1638 dest, not src. Allow other 4-byte modes.
1640 2006-03-30 Denis Chertykov <denisc@overta.ru>
1642 * doc/md.texi: Refer to avr/constraints.md instead of
1645 2006-03-30 Roger Sayle <roger@eyesopen.com>
1647 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1648 signed vs. unsigned comparison failures on some hosts.
1650 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1653 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1654 change to FLOAT_REGS.
1656 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1657 (rs6000_override_options): Use it.
1658 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1659 only for -mabi=spe/no-spe and -mabi=altivec.
1661 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1663 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1666 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1668 * Makefile.in: Rename docdir to gcc_docdir.
1670 2006-03-30 Roger Sayle <roger@eyesopen.com>
1673 * expr.c (emit_group_store): Optimize group stores into a pseudo
1674 register by using a paradoxical subreg to initialize the destination
1675 if the first or last member of the group specifies a "low part".
1677 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1680 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1681 * target.h (struct gcc_target.speculate_insn): Change type of the
1682 second parameter to 'int'.
1683 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1684 the second operand of the DEPS_LIST.
1685 (copy_DEPS_LIST_list): Update reference to the second operand of the
1687 * rtl.h (alloc_DEPS_LIST): Update signature.
1688 * sched-int.h (ds_t): Change typedef to 'int'.
1689 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1691 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1693 * haifa-sched.c (try_ready): Change condition to restore
1694 non-speculative pattern of the instruction.
1695 (process_insn_depend_be_in_spec): Code to keep probability of the
1696 speculative dependence non-decreasing.
1698 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1700 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1701 (single_move_for_movmem): ... this. Also change all uses.
1702 (bfin_expand_strmov): Renamed to...
1703 (bfin_expand_movmem): ... this. Also change all uses.
1704 * config/bfin/bfin.md (movstrsi): Renamed to...
1705 (movstrsi): ...this.
1707 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1709 PR tree-optimization/26830
1711 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1712 (copy_prop_visit_stmt): Remove write-only variable ann.
1713 (init_copy_prop): Check variable loop depth here. Do not simulate
1714 memory-tag and virtual operand PHIs except for store copy prop.
1716 2006-03-30 Richard Guenther <rguenther@suse.de>
1718 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1719 variants with double arguments.
1721 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1723 * genpreds.c (write_tm_constrs_h): Delete variable p.
1724 * genconditions.c (write_header): Add tm-constrs.h to included
1726 * genpeep.c (main): Add toplev.h to included headers.
1727 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1728 (build/genpeep.o): Add toplev.h dependency.
1729 * config/rs6000/constraints.md: Add "W" constraint.
1731 2006-03-29 Roger Sayle <roger@eyesopen.com>
1733 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1734 sizes by correctly testing whether the size fits a host integer.
1735 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1736 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1737 SImode range for the default sizetype and bitsizetype.
1739 2006-03-29 Roger Sayle <roger@eyesopen.com>
1741 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1742 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1743 quickly if the argument is already of the correct type.
1744 Call fold_build1 instead of build1. Tidy up blank lines.
1746 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1748 * genemit.c (main): Add tm-constrs.h to included headers.
1749 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1750 * genpeep.c (main): Add tm-constrs.h to included headers.
1751 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1752 (write_tm_constrs_h): this and write complete file.
1753 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1754 (write_insn_preds_c): Add tm-constrs.h to included headers.
1755 (gen_constrs): New variable.
1756 (parse_option): Parse "-c".
1757 (main): Invoke write_tm_constrs_h.
1758 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1759 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1760 (object_out_file): Add tm-constrs.h dependency.
1761 (insn-emit.o): Same.
1762 (insn-output.o): Same.
1763 (insn-peep.o): Same.
1764 (insn-preds.o): Same.
1765 (insn-recog.o): Same.
1766 (tm-constsr.h): New target.
1767 (s-constrs-h): New target.
1769 * config/rs6000/constraints.md: New file.
1770 * config/rs6000/rs6000.c: Include tm-constrs.h.
1771 (num_insn_constant_wide): Convert to satisfies_constraint.
1772 (rs6000_rtx_costs): Convert to satisfies_constraint.
1773 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1774 (CONST_OK_FOR_LETTER_P): Delete.
1775 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1776 (EXTRA_CONSTRAINT): Delete.
1777 (EXTRA_MEMORY_CONSTRAINT): Delete.
1778 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1779 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1780 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1781 satisfies_constraint.
1783 * config/i386/i386.c: Include tm-constrs.h.
1785 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1787 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1788 * tree-data-ref.c (find_data_references_in_loop,
1789 compute_data_dependences_for_loop): Use pointers to VEC.
1790 (analyze_all_data_dependences): Adjust calls.
1791 * tree-data-ref.h (find_data_references_in_loop,
1792 compute_data_dependences_for_loop): Adjust declarations.
1793 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1794 compute_data_dependences_for_loop.
1796 2006-03-29 Paul Brook <paul@codesourcery.com>
1798 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1801 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1803 PR tree-optimization/26859
1804 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1806 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1807 for the step after fold_convert.
1809 2006-03-29 Paul Brook <paul@codesourcery.com>
1811 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1812 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1814 2006-03-29 Paul Brook <paul@codesourcery.com>
1817 * targhooks.c (default_narrow_bitfield): New fuction.
1818 * targhooks.h (default_narrow_bitfield): add prototype.
1819 * target.h (gcc_target): Add narrow_volatile_bitfield.
1820 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1821 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1822 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1823 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1825 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1827 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1829 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1830 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1831 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1832 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1833 (s390_function_arg_float): Allow SDmode and DDmode values to be
1834 passed in floating point registers.
1835 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1836 check with SCALAR_FLOAT_MODE_P.
1837 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1839 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1841 PR tree-optimization/25985
1842 * tree-ssa-loop-niter.c (number_of_iterations_le,
1843 number_of_iterations_ne): Make comments more precise.
1844 (number_of_iterations_cond): Add only_exit argument. Use the
1845 fact that signed variables do not overflow only when only_exit
1847 (loop_only_exit_p): New.
1848 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1849 number_of_iterations_cond.
1851 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1853 PR tree-optimization/26643
1854 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1857 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1859 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1860 (divsi3_i4_int): Likewise.
1862 2006-03-28 Roger Sayle <roger@eyesopen.com>
1864 * expr.c (emit_group_store): Only create a new pseudo reg if the
1865 quantity it needs to hold isn't already a suitable pseudo.
1867 2006-03-28 Jeff Law <law@redhat.com>
1869 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1870 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1872 2006-03-28 Roger Sayle <roger@eyesopen.com>
1874 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1875 the equivalent ~X & Y, and the symmetry related transformations.
1876 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1877 ~X & Y, and symmetry related transforms.
1879 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1881 Revert my 2006-03-27 patches.
1883 2006-03-28 Roger Sayle <roger@eyesopen.com>
1885 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1886 ~(T1)X, when T1 and T2 are integer types of the same precision
1887 and (T2)X isn't an extension.
1889 2006-03-28 Jeff Law <law@redhat.com>
1891 PR tree-optimization/26796
1892 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1893 need EH edge cleanups rather than purging them immediately.
1894 (eliminate_degenerate_phis): Handle queued EH cleanups.
1896 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1898 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1901 2006-03-27 Roger Sayle <roger@eyesopen.com>
1904 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1905 cast BIT_NOT_EXPR operand to the correct type.
1907 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1909 * tree-loop-linear.c: Don't include varray.h.
1910 (gather_interchange_stats, try_interchange_loops,
1911 linear_transform_loops): Use VEC instead of VARRAY.
1912 * lambda-mat.c: Don't include varray.h.
1913 * tree-chrec.c: Same.
1914 * lambda-trans.c: Same.
1915 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1916 VEC instead of VARRAY.
1917 * tree-vectorizer.h: Idem.
1918 * tree-data-ref.c (dump_data_references,
1919 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1920 initialize_data_dependence_relation, finalize_ddr_dependent,
1921 compute_all_dependences, find_data_references_in_loop,
1922 compute_data_dependences_for_loop, analyze_all_data_dependences,
1923 free_dependence_relation, free_dependence_relations,
1924 free_data_refs): Idem.
1925 * tree-data-ref.h (data_reference_p, subscript_p): New.
1926 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1927 VEC instead of VARRAY.
1928 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1929 (find_data_references_in_loop, compute_data_dependences_for_loop,
1930 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1931 dump_data_dependence_relations, free_dependence_relations,
1932 free_data_refs): Adjust declaration.
1933 (lambda_transform_legal_p): Move declaration here...
1934 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1935 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1936 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1937 vect_analyze_data_refs): Use VEC instead of VARRAY.
1938 * lambda.h (lambda_transform_legal_p): ...from here.
1939 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1940 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1941 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1942 tree-chrec.o): Don't depend on VARRAY_H.
1944 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1946 * rtl.def (Copyright): Update date.
1947 (DEPS_LIST): Change type of the second operand to 'int'.
1948 * target.h (Copyright): Update date.
1949 (struct gcc_target.speculate_insn): Change type of the second parameter
1951 * lists.c (Copyright): Update date.
1952 (alloc_DEPS_LIST): Change signature. Update reference to the second
1953 operand of the DEPS_LIST.
1954 (copy_DEPS_LIST_list): Update reference to the second operand of the
1956 * rtl.h (Copyright): Update date.
1957 (alloc_DEPS_LIST): Update signature.
1958 * sched-int.h (Copyright): Update date.
1959 (ds_t): Change typedef to 'int'.
1960 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1962 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1964 * haifa-sched.c (Copyright): Update date.
1965 (try_ready): Change condition to restore non-speculative pattern
1967 (process_insn_depend_be_in_spec): Code to keep probability of the
1968 speculative dependence non-decreasing.
1970 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1972 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1973 shut up the compiler.
1975 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1977 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1978 to use lib prefix for target.
1979 ($(T)libic_invalidate_array_4-200.a): Likewise.
1980 ($(T)libic_invalidate_array_4a.a): Likewise.
1982 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1983 J"orn Rennecke <joern.rennecke@st.com>
1985 * superh.opt: New file.
1986 * sh.c (boardtype, osruntime): Remove.
1987 * superh.h (SUBTARGET_OPTIONS): Remove.
1988 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1990 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1991 arguments with ^ and/or [].
1993 * config.gcc (sh-*-*): Add quoting to account for quirk of
1995 Replace == with = in enable_incomplete_targets test.
1997 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1998 with MASK_LITTLE_ENDIAN.
2000 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2001 * config/sh/sh.opt: Added to some comments.
2002 * config/sh/superh.h: Removed some chaff.
2004 * config/sh/sh.opt: Add m4-[1234]00* options.
2005 * config/sh/sh.c (sh_handle_option): Likewise.
2006 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2007 (ic_invalidate_array_4-100.o): New rule.
2008 ($(T)libic_invalidate_array_4-100.a): Likewise.
2009 (ic_invalidate_array_4-200.o): Likewise.
2010 ($(T)libic_invalidate_array_4-200.a): Likewise.
2011 (ic_invalidate_array_4a.o): Likewise.
2012 ($(T)libic_invalidate_array_4a.a): Likewise.
2013 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2014 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2016 * config/sh/crt1.asm: Merged in profiling code.
2017 * config/sh/superh.h (STARTFILE_SPEC): Override.
2018 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2019 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2020 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2022 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2023 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2024 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2026 * sh.opt (mpretend-cmove): New option.
2027 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2028 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2029 (movsicc): Add TARGET_PRETEND_CMOVE code.
2031 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2033 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2034 s390_class_max_nregs): New function prototypes.
2035 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2036 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2037 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2038 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2040 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2042 * dwarf2out.c (add_location_or_const_value_attribute): Call
2043 tree_add_const_value_attribute if nothing else works.
2044 (reference_to_unused): New.
2045 (rtl_for_decl_init): Use reference_to_unused to decide whether
2046 to output an initializer.
2048 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2051 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2052 peephole removing spe frob_di_df_2.
2054 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2056 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2057 (subscript_dependence_tester_1): Declared.
2058 (print_dir_vectors, print_dist_vectors): New.
2059 (debug_data_dependence_relation): New.
2060 (dump_data_dependence_relation): Print more details.
2061 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2062 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2063 (save_dist_v, save_dir_v, add_outer_distances,
2064 build_classic_dist_vector_1): New.
2065 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2066 Don't test for lambda_vector_lexico_pos.
2067 (same_access_functions, add_multivariate_self_dist,
2068 add_other_self_distances, dir_from_dist): New.
2069 (build_classic_dir_vector): Replace implementation almost identical to
2070 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2072 (subscript_dependence_tester_1): New.
2073 (subscript_dependence_tester): Handle the lexicographically negative
2074 distance vectors by recomputing the dependence relation.
2075 (compute_affine_dependence): Remove parameter loop_nest_depth.
2076 (compute_self_dependence): Don't call compute_subscript_distance.
2077 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2078 Add a parameter for the loop_nest.
2079 (find_loop_nest_1, find_loop_nest): New.
2080 (compute_data_dependences_for_loop): Compute the loop nest, and give
2081 up if the nest is not well formed.
2082 * tree-data-ref.h (loop_p): New.
2083 (struct data_dependence_relation): Replace size_vect field with
2084 loop_nest, a vec of loops.
2085 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2086 (DDR_LOOP_NEST): New.
2087 (print_dir_vectors, print_dist_vectors,
2088 debug_data_dependence_relation): Declared.
2089 (index_in_loop_nest): New.
2090 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2091 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2094 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2096 * simplify-rtx.c (simplify_relational_operation): Call
2097 simplify_relational_operation_1 even if mode is VOIDmode.
2099 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2101 PR tree-optimization/26804
2102 * tree.h (DECL_CALL_CLOBBERED): New macro.
2103 (tree_decl_common): Add call_clobbered_flag.
2104 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2105 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2106 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2107 (mark_non_addressable): Ditto.
2108 * tree-ssa.c (verify_call_clobbered): New function.
2109 (verify_alias_info): Use it.
2110 * tree-pass.h (pass_reset_cc_flags): New prototype.
2111 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2112 (reset_cc_flags): New function.
2113 * passes.c (init_optimization_passes): Call reset_cc_flags after
2114 initializing referenced_vars.
2116 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2117 Roger Sayle <roger@eyesopen.com>
2120 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2121 to 1.0 for non-real operands. Implement A / A optimization for
2124 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2126 * config/i386/i386.c (size_cost): Correct the comment for
2127 cost of storing fp registers.
2128 (i386_cost): Likewise.
2129 (i486_cost): Likewise.
2130 (pentium_cost): Likewise.
2131 (pentiumpro_cost): Likewise.
2132 (k6_cost): Likewise.
2133 (athlon_cost): Likewise.
2134 (k8_cost): Likewise.
2135 (pentium4_cost): Likewise.
2136 (nocona_cost): Likewise.
2137 (generic64_cost): Likewise.
2138 (generic32_cost): Likewise.
2140 2006-03-24 Denis Chertykov <denisc@overta.ru>
2142 * config/avr/avr-protos.h (extra_constraint): Delete.
2143 (extra_constraint_Q): New declaration.
2144 * config/avr/constraints.md: New file.
2145 * config/avr/avr.md: Include it.
2146 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2147 (TMP_REGNO, ZERO_REGNO): Likewise.
2148 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2149 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2150 (extra_constraint): Delete.
2151 (extra_constraint_Q): Test for memory constraint 'Q'.
2152 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2153 (REG_CLASS_FROM_LETTER): Delete.
2154 (CONST_OK_FOR_LETTER_P): Delete.
2155 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2156 (EXTRA_CONSTRAINT): Delete.
2157 (TMP_REGNO): Delete.
2158 (ZERO_REGNO): Delete.
2160 2006-03-24 Jeff Law <law@redhat.com>
2162 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2163 directly. Call mark_new_vars_to_rename slightly earlier.
2165 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2167 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2169 (gen_compile_unit_die): Use new language types for Objective-C and
2171 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2172 DW_LANG_C_plus_plus.
2175 * config/t-darwin (crt3.o): Work around bug 26840.
2176 * config/darwin-crt3.c: Rewrite.
2177 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2179 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2181 * doc/invoke.texi: Document -femit-class-debug-always
2182 * common.opt: Add -femit-class-debug-always.
2184 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2186 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2187 index and base register.
2188 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2189 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2190 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2191 REGNO_OK_FOR_INDEX_P.
2192 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2194 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2195 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2196 REG_OK_FOR_BASE_P): Definitions removed.
2198 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2201 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2202 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2203 set yet or weren't marked as local yet.
2205 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2207 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2210 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2212 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2213 (rs6000_legitimate_small_data_p): Delete.
2214 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2215 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2216 and make static. Add forward declaration. Update uses.
2217 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2218 of offsettable_memref_p.
2219 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2220 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2222 2006-03-24 Jeff Law <law@redhat.com>
2224 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2225 around bug in immediate-use iterator.
2227 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2230 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2231 or __LITTLE_ENDIAN__.
2233 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2235 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2236 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2237 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2238 * config/sh/sh.opt (mdiv=): Amend description.
2239 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2240 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2241 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2242 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2243 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2244 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2245 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2246 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2247 TARGET_DIVIDE_CALL_FP.
2249 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2251 * haifa-sched.c (choose_ready): Fix type of the local variable.
2252 Move local variables. Add comment.
2253 (check_reg_live): Change signature. Make callable from debugger.
2254 * sched-int.h (check_reg_live): Update signature.
2255 * sched-ebb.c (check_reg_live): Update parameters.
2256 * sched-rgn.c (check_reg_live): Ditto.
2257 (region_head_or_leaf_p): Check pointer before dereferencing.
2258 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2259 before reload on optimization levels below 1.
2261 2006-03-23 Richard Henderson <rth@redhat.com>
2263 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2267 * config/alpha/predicates.md (local_symbolic_operand): Reject
2270 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2273 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2274 expressions which have overflowed constants.
2276 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2278 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2280 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2282 * cfgloopmanip.c (create_loop_notes): Removed.
2283 * final.c (final_scan_insn): Do not handle loop notes.
2284 * jump.c (squeeze_notes): Ditto.
2285 * cfglayout.c (skip_insns_after_block,
2286 duplicate_insn_chain): Ditto.
2287 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2289 * cfgloop.h (create_loop_notes): Declaration removed.
2291 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2293 * varasm.c (output_constant_pool): Restore fnname and fndecl
2295 (assemble_start_function): Adjust call accordingly.
2296 (assemble_end_function): Likewise.
2298 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2301 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2304 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2306 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2309 * system.h (ICE_EXIT_CODE): New macro.
2310 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2311 (diagnostic_action_after_output): Likewise.
2312 * gcc.c (fatal_ice): New function.
2313 (execute): Use it instead of fatal.
2314 (fancy_abort): Likewise.
2315 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2317 2006-03-22 Jeff Law <law@redhat.com>
2319 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2320 iv_analyze_result returning false.
2322 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2324 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2326 2006-03-22 Richard Henderson <rth@redhat.com>
2329 * except.c (duplicate_eh_regions_0): New.
2330 (duplicate_eh_region_1): Duplicate the children of the node as
2331 well as the node itself. Link them up properly.
2332 (duplicate_eh_region_2): Merge into ...
2333 (duplicate_eh_regions): ... here. Take copy_region argument, and
2334 copy only a sub-tree if asked. Simplify copying and fixup.
2335 (eh_region_outer_p): New.
2336 * except.h (duplicate_eh_regions): Update decl.
2337 (eh_region_outer_p): Declare.
2338 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2339 (lower_omp_master): Likewise.
2340 (lower_omp_ordered): Likewise.
2341 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2342 (move_stmt_r): Use it to remap labels. Handle recursion vs
2343 remap_decls_p properly.
2344 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2345 (find_outermost_region_in_block): New.
2346 (new_label_mapper): New.
2347 (move_sese_region_to_fn): Copy eh information to the new function
2349 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2351 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2354 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2356 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2357 into shared libraries.
2359 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2361 * doc/md.texi: Refer to i386/constraints.md instead of
2363 * config/i386/constraints.md: New file, extracted from...
2364 * config/i386/predicates.md: ...here.
2365 * config/i386/i386.md: Include constraints.md.
2367 2006-03-21 Jason Merrill <jason@redhat.com>
2369 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2372 * expr.c (init_block_move_fn): Force default visibility.
2373 (init_block_clear_fn): Likewise.
2374 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2375 * targhooks.c (default_external_stack_protect_fail): Likewise.
2377 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2379 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2380 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2381 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2382 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2383 (loadgp): Use mips_current_loadgp_style.
2384 (loadgp_noshared): New pattern.
2385 (sibcall_internal): Use MIPS_CALL.
2386 (sibcall_value_internal): Likewise.
2387 (sibcall_value_multiple_internal): Likewise.
2388 (call_internal): Likewise.
2389 (call_value_internal): Likewise.
2390 (call_value_multiple_internal): Likewise.
2391 (call_split): Use MIPS_CALL and add an 'S' constraint.
2392 (call_value_split): Likewise.
2393 (call_value_multiple_split): Likewise.
2394 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2395 (-mshared): New option.
2396 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2397 (mips_current_loadgp_style): Declare.
2398 * config/mips/mips.c (mips_classify_symbol): Avoid using
2399 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2400 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2401 TARGET_ABSOLUTE_ABICALLS.
2402 (override_options): Adjust comments. Improve the warning that is
2403 issued when -mabicalls and -G are used together.
2404 (mips_file_start): Remove comment.
2405 (mips_current_loadgp_style): New function.
2406 (mips_gnu_local_gp): New variable.
2407 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2409 (mips_output_function_prologue): Use mips_current_laodgp_style.
2410 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2411 the cprestore instruction.
2412 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2413 live for TARGET_ABSOLUTE_ABICALLS.
2414 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2415 (ASM_SPEC): Pass down -mshared and -mno-shared.
2416 (MIPS_CALL): New macro.
2417 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2419 * doc/invoke.texi (-mabicalls): Update documentation.
2420 (-mshared): Document.
2422 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2424 * config/ia64/unwind-hpux.c: New file.
2425 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2427 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2430 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2432 2006-03-21 Jeff Law <law@redhat.com>
2434 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2435 type conversions of a VR_VARYING source to a wider type.
2437 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2439 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2440 tm_file on Solaris 10 and later.
2441 (sparc64-*-solaris2*): Likewise.
2442 (sparc-*-solaris2*): Likewise.
2443 * config/sol26.h: Rename to config/sol2-6.h.
2444 * config/sol2-10.h: New file.
2446 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2449 * tree-ssa-pre.c (create_component_ref_by_pieces):
2452 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2455 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2456 return it immediately.
2458 2006-03-21 Michael Matz <matz@suse.de>
2460 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2462 (remove_arc, add_arc): Update num_out_arcs member.
2463 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2465 (cache_presence): New function.
2466 (compare_states_for_equiv): New function.
2467 (state_is_differed): Don't take number of outargs, adjust callers.
2468 Use new invariant for speeding up.
2469 (init_equiv_class): Create initial classes based on sorted
2471 (partition_equiv_class): Don't track out_arcs_num.
2472 (evaluate_equiv_classes): Call cache_presence on all states and
2475 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2477 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2478 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2479 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2480 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2482 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2483 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2484 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2485 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2486 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2488 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2489 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2490 (REGNO_REG_CLASS): ARGP is in PREGS.
2491 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2493 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2494 to deal with those addresses.
2495 * addresses.h: New file.
2496 * caller-save.c: Include "addresses.h".
2497 (init_caller_save): Use new base_reg_class function.
2498 * rtl-factoring.c: Include "addresses.h".
2499 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2500 * recog.c: Include "addresses.h".
2501 (preprocess_constraints): Use new base_reg_class function.
2502 * regrename.c: Include "addresses.h".
2503 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2504 functions. Keep track of a new var INDEX_CODE to compute valid
2506 (replace_oldest_value_addr): Likewise.
2507 (replace_oldest_value_mem): Use base_reg_class.
2508 * reload.c: Include "addresses.h".
2509 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2510 (find_reloads): Use new base_reg_class function.
2511 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2512 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2513 all callers and prototype changed.
2514 * reload1.c: Include "addresses.h".
2515 (maybe_fix_stack_asms): Use base_reg_class.
2516 * regclass.c: Include "addresses.h".
2517 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2518 (init_reg_autoinc): Use new base_reg_class function.
2519 (record_reg_classes): Likewise.
2520 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2521 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2522 Use new args to compute necessary class.
2524 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2525 regrename.o, rtl-factoring.o): Update dependencies.
2526 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2527 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2528 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2529 REG_OK_FOR_INDEX_P): Delete documentation.
2531 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2533 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2534 from V7 to V9 for Solaris 7 and above.
2536 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2538 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2539 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2540 argument pointers may not alias any other storage.
2541 * common.opt: Define option -fargument-noalias-anything.
2542 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2543 alias semantics is specified by flag_argument_noalias > 2.
2545 2006-03-20 Jeff Law <law@redhat.com>
2547 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2548 (pass_phi_only_cprop): Declare.
2549 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2551 * tree-ssa-dom.c (degenerate_phi_result): New function.
2552 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2553 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2554 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2555 (eliminate_degenerate_phis): Likewise.
2556 (pass_phi_only_cprop): New pass descriptor.
2557 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2558 support code. Callers updated.
2559 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2560 (store_copy_prop): Likewise.
2561 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2563 2006-03-20 Jason Merrill <jason@redhat.com>
2566 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2567 (push_visibility, pop_visibility): Likewise.
2568 * c-pragma.h: Declare them.
2570 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2572 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2574 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2575 parameter and use get_ebb_head_tail.
2576 (sh_md_init_global): Adjust uses of find_regmode_weight.
2578 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2580 * function.h (struct function) <x_tail_recursion_reentry>:
2581 Rename to x_stack_check_probe_note.
2582 (tail_recursion_reentry): Rename to stack_check_probe_note.
2583 * function.c: Replace tail_recursion_reentry with
2584 stack_check_probe_note everywhere.
2585 (expand_function_start): Only emit a note for
2586 stack_check_probe_note with -fstack-protect.
2587 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2589 * emit-rtl.c (remove_unnecessary_notes): Remove.
2590 (pass_remove_unnecessary_notes): Remove.
2591 * rtl.h (remove_unnecessary_notes): Remove prototype.
2592 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2593 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2594 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2596 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2599 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2600 (valid_in_set): Handle ARRAY_REF.
2601 Change "if min_variant or VH" to asserts.
2602 (create_component_ref_by_pieces): Handle ARRAY_REF.
2603 (create_expression_by_pieces): Likewise.
2604 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2606 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2608 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2609 is operand of switch, not str[0].
2611 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2613 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2614 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2616 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2618 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2619 end of insn_extra_address_constraint declaration.
2621 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2623 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2624 (no-sum-in-toc): Same.
2625 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2627 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2628 NO_FP_IN_TOC for -fPIC instead of mask.
2630 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2631 (BOOT_LDFLAGS): Delete.
2633 * config/rs6000/t-aix52: Same.
2635 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2636 (stmsi[345678]_power): New.
2638 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2640 * config/ia64/ia64.opt: Add empty line to end of file.
2642 2006-03-17 Richard Guenther <rguenther@suse.de>
2645 * builtins.c (get_pointer_alignment): For component style references
2646 adjust alignment to the component type alignment. Make sure
2647 to adjust alignment for component access of constants.
2649 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2651 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2654 2006-03-17 Paul Brook <paul@codesourcery.com>
2656 * doc/install.texi: Docuemnt --with-mode.
2657 * config.gcc: Add --with-mode for arm*-*-*.
2658 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2660 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2662 * sh.c (max_labelno_before_reorg): New variable.
2663 (sh_reorg): Initialize it.
2664 (find_barrier): Check max_labelno_before_reorg before using
2665 label_to_alignment. Take length of explicit alignment insns
2666 into account. When seeing a UNSPECV_CONST_END, return it.
2668 * sh.c (fixup_mova): Set mode of affected label to QImode.
2669 (untangle_mova): New function.
2670 (find_barrier): Use it. Check mode of label before decrementing
2672 (sh_reorg): Likewise.
2673 Set mode of all insns back to VOIDmode.
2675 * sh.c (MOVA_LABELREF): New macro.
2676 (mova_p, fixup_mova, sh_reorg): Use it.
2677 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2678 ADDR_DIFF_VEC matches mova.
2680 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2682 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2683 with ATTRIBUTE_UNUSED.
2685 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2687 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2688 pointer, instead of assuming it is possible to derive the
2689 correct args size from a call insn.
2691 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2693 * rtl.h (CONST_INT_P): Define.
2694 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2695 instead of GET_CODE(x) == CONST_INT.
2696 (vax_rtx_costs): Likewise.
2697 (vax_output_int_move): Likewise.
2698 (vax_output_int_add): Likewise.
2699 (legitimate_constant_address_p): Likewise.
2700 (index_term_p): Likewise.
2701 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2702 * config/vax/vax.md (and<mode>3): Likewise.
2703 (ashrsi3): Likewise.
2705 (movstricthi): Likewise.
2706 (movstrictqi): Likewise.
2707 (rotrsi3): Likewise.
2708 (five unnamed insns): Likewise.
2710 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2712 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2713 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2714 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2715 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2716 Pass to ASM_OUTPUT_DWARF_OFFSET.
2717 * dwarf2out.c (debug_frame_section): New.
2718 (output_call_frame_info): Use debug_frame_section. Pass it to
2719 dw2_asm_output_offset.
2720 (output_die): Pass appropriate section to dw2_asm_output_offset.
2721 (output_compilation_unit_header): Likewise.
2722 (output_pubnames): Likewise.
2723 (output_aranges): Likewise.
2724 (enum dw_val_class): Break dw_val_class_lbl_offset into
2725 dw_val_class_lineptr and dw_val_class_macptr.
2726 (add_AT_lbl_offset): Delete.
2727 (add_AT_lineptr): New.
2728 (add_AT_macptr): New.
2729 (AT_lbl): Expect a lineptr or macptr.
2730 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2731 (attr_checksum): Likewise.
2732 (same_dw_val_p): Likewise.
2733 (size_of_die): Likewise.
2734 (value_format): Likewise.
2735 (output_die): Likewise.
2736 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2738 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2739 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2740 * config/darwin-protos.h (darwin_file_start): New.
2741 (darwin_asm_output_dwarf_offset): New.
2742 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2743 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2745 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2746 if not EH section; simplify.
2747 (darwin_file_start): New.
2748 (darwin_asm_output_dwarf_offset): New.
2749 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2751 (DEBUG_INFO_SECTION): Likewise.
2752 (DEBUG_ABBREV_SECTION): Likewise.
2753 (DEBUG_ARANGES_SECTION): Likewise.
2754 (DEBUG_MACINFO_SECTION): Likewise.
2755 (DEBUG_LINE_SECTION): Likewise.
2756 (DEBUG_LOC_SECTION): Likewise.
2757 (DEBUG_PUBNAMES_SECTION): Likewise.
2758 (DEBUG_STR_SECTION): Likewise.
2759 (DEBUG_RANGES_SECTION): Likewise.
2760 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2761 (ASM_OUTPUT_DWARF_OFFSET): New.
2763 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2765 * config.gcc (tm_defines): Always add to previous value rather
2768 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2770 * config/mips/predicates.md (splittable_const_int_operand): New,
2771 split from move_operand.
2772 (splittable_symbolic_operand): New.
2773 (move_operand): Add commentary. Use splittable_const_int_operand.
2774 Inline mips_atomic_symbolic_constant_p.
2775 * config/mips/mips.md: Add combine splitters for handling moves
2776 of splittable_const_int_operands and splittable_symbolic_operands.
2777 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2778 (mips_split_symbol): Declare.
2779 (mips_move_integer): Declare.
2780 * config/mips/mips.c (mips_split_p): Make global.
2781 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2782 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2783 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2784 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2785 (mips_offset_within_object_p): Handle block symbols.
2786 (mips_atomic_symbolic_constant_p): Delete.
2787 (mips_cannot_force_const_mem): Return false for constants that
2788 mips_legitimize_move can handle.
2789 (mips_use_blocks_for_constant_p): New function.
2790 (mips_split_symbol): Make global.
2791 (mips_move_integer): Likewise. Add a temporary register argument.
2792 (mips_legitimize_const_move): Use splittable_const_int_operand and
2793 splittable_symbolic_operand.
2794 (mips_use_anchors_for_symbol_p): New function.
2795 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2796 (mips_split_p): Declare.
2798 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2800 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2801 (mips*-*-linux*): Likewise.
2803 2006-03-16 Roger Sayle <roger@eyesopen.com>
2804 Daniel Speyer <dspeyer@wam.umd.edu>
2807 * tree-dump.c (dump_real): New function.
2808 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2809 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2810 (tree-dump.o): Add $(REAL_H) to the dependencies.
2812 2006-03-16 Roger Sayle <roger@eyesopen.com>
2815 * real.c (real_from_string): If the mantissa is zero, don't bother
2816 parsing the exponent as the result should always be zero.
2818 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2820 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2822 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2824 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2825 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2826 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2827 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2828 ia64_sched_finish_global): New static functions to implement
2829 hooks from gcc_target.sched.
2830 (spec_check_no, max_uid, pending_data_specs): New static variables.
2831 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2832 ia64_spec_check_src_p): New static functions.
2833 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2834 (TARGET_SCHED_ADJUST_COST): Removed.
2835 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2836 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2837 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2838 TARGET_SCHED_GEN_CHECK,
2839 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2840 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2841 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2842 Fixed to handle speculation checks.
2843 (rtx_needs_barrier): Fixed to handle speculative loads and
2845 (ia64_variable_issue): Added code to count speculative loads and their
2847 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2849 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2851 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2853 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2854 (ia64_reorg): Reset stops_p to NULL after it is freed.
2855 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2856 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2857 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2859 (data_speculative, control_speculative, check_load): New attributes.
2860 (mov<mode>_advanced, mov<mode>_speculative,
2861 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2862 zero_extend<mode>di2_speculative,
2863 zero_extend<mode>di2_speculative_advanced): New patterns for
2864 data and control speculative loads.
2865 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2867 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2868 New pattern for data and control speculation checks.
2869 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2870 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2871 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2872 Auxiliary definitions for the patterns.
2873 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2874 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2876 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2878 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2879 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2880 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2881 New resource constraints.
2882 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2884 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2885 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2886 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2887 msched-in-control-spec, msched-ldc, msched-control-ldc,
2888 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2889 msched-prefer-non-control-spec-insns,
2890 msched-count-spec-in-critical-path): New flags to tune speculative
2892 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2893 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2894 msched-in-control-spec, msched-ldc, msched-control-ldc,
2895 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2896 msched-prefer-non-control-spec-insns,
2897 msched-count-spec-in-critical-path): Document new flags.
2899 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2901 * target.h (struct spec_info_def): New opaque declaration.
2902 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2903 speculate_insn, needs_block_p, gen_check,
2904 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2905 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2906 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2907 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2908 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2909 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2911 (TARGET_SCHED): Use new macros.
2912 * rtl.h (copy_DEPS_LIST_list): New prototype.
2913 * sched-int.h (struct sched_info): Change signature of new_ready field,
2914 adjust all initializations. New fields: add_remove_insn,
2915 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2916 region_head_or_leaf_p.
2917 (struct spec_info_def): New structure declaration.
2918 (spec_info_t): New typedef.
2919 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2920 recovery_block, orig_pat.
2921 (glat_start, glat_end): New variables declaraions.
2922 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2924 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2925 DETACH_LIFE_INFO, USE_GLAT.
2926 (enum SPEC_SCHED_FLAGS): New enumeration.
2927 (NOTE_NOTE_BB_P): New macro.
2928 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2929 attach_life_info, debug_spec_status, check_reg_live): New functions.
2930 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2931 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2933 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2934 * ddg.c (get_block_head_tail): Adjust all uses.
2935 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2936 (sms_sched_info): Initialize new fields.
2937 (contributes_to_priority): Removed.
2938 * haifa-sched.c (params.h): New include.
2939 (get_block_head_tail): Adjust all uses.
2940 (ISSUE_POINTS): New macro.
2941 (glat_start, glat_end): New global variables.
2942 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2943 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2944 old_last_basic_block, before_recovery, current_sched_info_var,
2945 rgn_n_insns, luid): New static variables.
2946 (insn_cost1): New function. Move logic from insn_cost to here.
2947 (find_insn_reg_weight1): New function. Move logic from
2948 find_insn_reg_weight to here.
2949 (reemit_notes, move_insn, max_issue): Change signature.
2950 (move_insn1): Removed.
2951 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2952 extend_bb): New static functions to support extension of scheduler's
2954 (generate_recovery_code, process_insn_depend_be_in_spec,
2955 begin_speculative_block, add_to_speculative_block,
2956 init_before_recovery, create_recovery_block, create_check_block_twin,
2957 fix_recovery_deps): New static functions to support
2958 generation of recovery code.
2959 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2960 restore_bb_notes, move_block_after_check, move_succs): New static
2961 functions to support ebb scheduling.
2962 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2963 functions to support handling of register live information.
2964 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2965 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2966 add_jump_dependencies): New static functions.
2967 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2968 consistancy checking.
2969 (debug_spec_status): New function to call from debugger.
2970 (priority): Added code to handle speculation checks.
2971 (rank_for_schedule): Added code to distinguish speculative instructions.
2972 (schedule_insn): Added code to handle speculation checks.
2973 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2974 Fixed to handle ebbs.
2975 (move_insn): Added code to handle ebb scheduling.
2976 (max_issue): Added code to use ISSUE_POINTS of instructions.
2977 (choose_ready): Added code to choose between speculative and
2978 non-speculative instructions.
2979 (schedule_block): Added code to handle ebb scheduling and scheduling of
2980 speculative instructions.
2981 (sched_init): Initialize new variables.
2982 (sched_finish): Free new variables. Print statistics.
2983 (try_ready): Added code to handle speculative instructions.
2984 * lists.c (copy_DEPS_LIST_list): New function.
2985 * sched-deps.c (extend_dependency_caches): New function. Move logic
2986 from create_dependency_caches to here.
2987 (get_dep_weak, ds_merge): Make global.
2988 * genattr.c (main): Code to output prototype for
2989 dfa_clear_single_insn_cache.
2990 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2991 (output_dfa_clean_insn_cache_func): Code to output
2992 dfa_clear_single_insn_cache function.
2993 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2995 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2997 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2998 New static variables.
2999 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3000 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3002 (ebb_sched_info): Initialize new fields.
3003 (get_block_head_tail): Adjust all uses.
3004 (compute_jump_reg_dependencies): Fixed to use glat_start.
3005 (schedule_ebb): Code to remove unreachable last block.
3006 (schedule_ebbs): Added code to update register live information.
3007 * sched-rgn.c (region_sched_info): Initialize new fields.
3008 (get_block_head_tail): Adjust all uses.
3009 (last_was_jump): Removed. Adjust users.
3010 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3011 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3012 Implement new hooks.
3013 (check_dead_notes1): New static function.
3014 (struct region): New fields: dont_calc_deps, has_real_ebb.
3015 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3016 (BB_TO_BLOCK): Fixed to handle EBBs.
3017 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3018 (ebb_head): New static variable.
3019 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3020 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3022 (compute_dom_prob_ps): New assertion.
3023 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3024 global_live_at_start.
3025 (init_ready_list): New assertions.
3026 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3027 (new_ready): Add support for BEGIN_CONTROL speculation.
3028 (schedule_insns): Fixed code that updates register live information
3030 (schedule_region): Fixed to handle EBBs.
3031 (init_regions): Use extend_regions and check_dead_notes1.
3032 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3033 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3034 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3035 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3036 TARGET_SCHED_GEN_CHECK,
3037 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3038 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3039 * doc/invoke.texi (max-sched-insn-conflict-delay,
3040 sched-spec-prob-cutoff): Document.
3042 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3044 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3045 inter_tick, queue_index.
3046 (struct sched_info): Change signature of init_ready_list field.
3047 Adjust all initializations.
3048 (RESOLVED_DEPS): New access macro.
3049 (ready_add): Remove prototype.
3050 (try_ready): Add prototype.
3051 * sched-rgn.c (init_ready_list): Use try_ready.
3052 (schedule_region): Initialize
3053 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3054 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3055 (init_ready_list): Use try_ready.
3056 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3057 * lists.c (remove_list_elem): Remove `static'.
3058 (remove_free_INSN_LIST_elem): New function.
3059 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3060 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3061 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3063 (readyp): New variable.
3064 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3065 change_queue_index, resolve_dep): New static functions.
3066 (try_ready): New function. Adjust callers in sched-rgn.c and
3067 sched-ebb.c to use it instead of ready_add.
3068 (clock_var): Move at the begining of file.
3069 (rank_for_schedule): Fix typo.
3070 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3071 (ready_lastpos): Enforce assertion.
3072 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3074 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3075 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3076 (queue_to_ready): Use free_INSN_LIST_list.
3077 (early_queue_to_ready): Fix typo.
3078 (schedule_block): Init readyp. Move init_ready_list call after the
3079 initialization of clock_var. Fix error in rejecting insn by
3080 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3081 that previously corrected INSN_TICKs. Add code for handling
3083 (set_priorities): Fix typo.
3084 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3085 Clarify comment and code that keeps current_sched_info->next_tail
3088 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3090 * sched-rgn.c (extend_rgns): New static function.
3091 (find_rgns): Use it.
3092 (gather_region_statistics, print_region_statistics): New static
3094 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3095 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3097 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3098 Andrey Belevantsev <abel@ispras.ru>
3100 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3101 * lists.c (unused_deps_list): New variable.
3102 (free_list): Add assertions to verify the proper distinguishing
3103 between INSN_LISTs and DEPS_LISTs.
3104 (find_list_elem, remove_list_elem, remove_list_node): New static
3106 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3107 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3108 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3109 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3111 (free_INSN_LIST_node): Likewise.
3112 * modulo-sched.c (current_sched_info): Initialize flags field.
3113 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3114 * rtl.def (DEPS_LIST): Define.
3115 * rtl.h: Declare new functions from lists.c.
3116 * sched-deps.c (spec_dependency_cache): New static variable.
3117 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3118 (add_dependence): Change return type to void. Move the logic to ...
3119 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3120 (delete_all_dependences): Add comment about forward_dependency_cache.
3121 Handle spec_dependency_cache. Handle DEPS_LISTs.
3122 (fixup_sched_groups): Clarify the change of priority of output
3123 and anti dependencies.
3124 (sched_analyze_2): Adjust add_dependence calls to create data
3125 speculative dependence.
3126 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3127 Adjust all callers. Handle DEPS_LISTS.
3128 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3129 presence of speculation.
3130 (init_dependency_caches, free_dependency_caches):
3131 Handle spec_dependency_cache.
3132 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3133 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3134 New static functions.
3135 (add_or_update_back_dep, add_or_update_back_forw_dep,
3136 add_back_forw_dep, delete_back_forw_dep): New functions.
3137 * sched-int.h (ds_t, dw_t): New typedefs.
3138 (struct sched_info): Add new field flags.
3139 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3140 Prototype new sched-deps.c functions.
3141 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3142 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3143 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3144 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3145 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3146 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3148 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3150 * sched-rgn.c (current_sched_info): Initialize flags field.
3151 (schedule_insns): Initialize current_sched_info before the sched_init
3153 * sched-ebb.c (current_sched_info): Initialize flags field.
3154 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3155 Call add_or_update_back_dep instead of add_dependence.
3156 Create control speculative dependencies.
3157 (schedule_insns): Initialize current_sched_info before the sched_init
3160 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3162 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3164 (sh_fallback_frame_state): Likewise.
3166 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3168 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3169 Do switch on default_use_cxa_atexit.
3170 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3171 * config/darwin-crt3.o: New.
3172 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3173 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3174 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3176 * config/rs6000/t-darwin: Move crt2.o building to here.
3177 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3178 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3181 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3183 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3184 from '! xxx' to '!xxx' for coding-style conformance.
3185 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3186 (EXTRA_CONSTRAINT): Likewise.
3187 * config/vax/vax.md (four unnamed insns): Likewise.
3189 2006-03-15 Paul Brook <paul@codesourcery.com>
3191 * config/arm/arm.c (minipool_pad): New.
3192 (add_minipool_forward_ref): Include pool alignment padding in address
3194 (push_minipool_fix): Set minipool_pad.
3195 (minipool_pad): Ditto.
3197 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3199 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3200 instead of GET_CODE() == MEM and REG_P() instead of
3202 (print_operand_address): Likewise.
3203 (vax_address_cost): Likewise.
3204 (vax_rtx_costs): Likewise.
3205 (vax_notice_update_cc): Likewise.
3206 (vax_output_int_add): Likewise.
3207 (INDEX_REGISTER_P): Likewise.
3208 (BASE_REGISTER_P): Likewise.
3209 (nonindexed_address_p): Likewise.
3210 (vax_mode_dependent_address_p): Likewise.
3211 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3212 (PRINT_OPERAND): Likewise.
3213 * config/vax/vax.md (ashlsi3): Likewise.
3214 (ashlsi3): Likewise.
3215 (some more unnamed insns): Likewise.
3217 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3219 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3220 iterator-style macro.
3221 (mark_control_dependent_edges_necessary): Update the use of
3222 EXECUTE_IF_CONTROL_DEPENDENT.
3224 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3226 * config/sh/predicates.md (cache_address_operand): Special.
3227 (ua_address_operand): Likewise.
3229 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3231 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3233 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3235 2006-03-15 Andreas Schwab <schwab@suse.de>
3237 * gensupport.c (identify_predicable_attribute): Don't free p_false
3238 when it is still in use.
3240 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3242 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3243 the default setting here.
3245 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3247 * tree-pass.h (pass_cfg): Remove.
3248 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3249 * passes.c (pass_cfg): Don't run it.
3251 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3253 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3254 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3256 (stack_regs_mentioned): Update the uses of
3257 stack_regs_mentioned_data. Don't access the array beyond its
3259 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3260 Don't include gt-reg-stack.h.
3262 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3263 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3265 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3268 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3271 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3273 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3275 2006-03-14 Richard Guenther <rguenther@suse.de>
3277 PR tree-optimization/26672
3278 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3281 2006-03-14 Richard Guenther <rguenther@suse.de>
3283 PR tree-optimization/26667
3284 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3285 node for the callees. Always allow inlining if it will shrink
3288 2006-03-14 Richard Guenther <rguenther@suse.de>
3291 * builtins.c (get_pointer_alignment): Prefer alignment
3292 information from decls over that from types.
3294 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3297 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3299 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3301 * config/rs6000/rs6000.opt (mdlmzb): New option.
3302 (msched-prolog, msched-epilog): Use Var not Mask.
3303 * doc/invoke.texi (-mdlmzb): Document.
3304 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3306 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3307 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3309 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3311 PR rtl-optimization/25739
3312 * bt-load.c (augment_live_range): Free tos pointer.
3314 * gensupport.c (identify_predicable_attribute): Free
3316 * gcov.c (create_file_names): Free name pointer.
3318 2006-03-13 Roger Sayle <roger@eyesopen.com>
3321 * stmt.c (emit_case_nodes): Handle the case where the index is a
3322 CONST_INT, where the comparison mode is specified by the index type.
3324 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3326 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3329 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3331 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3332 (*branch_fp_inverted): Likewise.
3334 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3337 * omp-low.c (expand_omp_for_generic): Mark istart0
3338 and iend0 as addressable.
3340 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3342 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3344 2006-03-13 Jeff Law <law@redhat.com>
3346 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3347 virtual operands are interesting.
3348 (vrp_visit_stmt): Corresponding changes.
3350 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3352 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3354 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3355 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3356 * config/bfin/crti.S: Use it instead of __PIC__.
3357 * config/bfin/crtn.S: Likewise.
3359 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3360 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3362 Lose 'G' modifier for call operand.
3363 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3364 recognize 'G' modifier.
3366 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3369 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3370 * stmt.c (expand_case): Likewise.
3372 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3374 PR rtl-optimization/26254
3375 * loop-invariant.c (seq_insns_valid_p): New function.
3376 (move_invariant_reg): Only emit new code if it is valid.
3378 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3380 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3382 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3383 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3384 (commit_one_edge_insertion): Do not look for loop notes.
3386 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3388 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3389 flag_test_coverage out of loop.
3391 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3393 * final.c (shorten_branches): Remove outdated comment, and turn
3394 the if branch that guards it to continue.
3396 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3398 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3399 * cfgloop.h (struct loop): Remove unused fields.
3401 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3403 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3404 (-dL, -fdump-rtl-loop2): Update the dump file names
3406 * doc/invoke.texi: Update dump file names.
3408 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3410 * predict.c (estimate_probability): Remove.
3411 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3412 * basic-block.h (estimate_probability): Remove prototype.
3413 * passes.c (finish_optimization_passes): Dump branch prediction or
3414 profiling heuristics to the .profile tree dump.
3415 (init_optimization_passes): Unqueue pass_branch_prob.
3417 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3419 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3421 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3422 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3424 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3426 * function.h (frame_offset_overflow): Declare.
3427 * function.c (frame_offset_overflow): New function.
3428 (assign_stack_local_1): Call it to detect that the offset overflows.
3429 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3431 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3433 * config/sh/sh.c: Include alloc-pool.h.
3434 (label_ref_list_pool): New alloc pool.
3435 (label_ref_list_t): New type for lists of labels.
3436 (struct pool_node): Make wend a label_ref_list_t.
3437 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3439 (dump_table): Likewise.
3440 (sh_reorg): Set up the alloc pool before using add_constant and
3441 dump_table, and destroy it when finishing.
3443 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3445 * config/mips/mips.c: Remove redundant comment.
3447 2006-03-10 Jason Merrill <jason@redhat.com>
3450 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3451 the target was declared 'register'.
3453 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3455 * genpreds.c (write_insn_constraint_len): Change definition of
3456 insn_constraint_len to return size_t to match the declaration.
3458 2006-03-10 DJ Delorie <dj@redhat.com>
3460 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3462 (m32c_expand_insv): Fix test for an AND mask.
3464 2006-03-10 Richard Guenther <rguenther@suse.de>
3467 * builtins.c (get_pointer_alignment): Handle component
3468 references for field alignment.
3470 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3472 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3473 when building with libgloss.
3474 (sh*elf): Implement --without-fp option.
3475 (sh64-superh-linux*): Don't multilib.
3477 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3479 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3481 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3483 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3484 Set it when one of the replacement functions returned true.
3485 Return TODO_cleanup_cfg if cfgchanged is true.
3486 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3488 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3490 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3491 instead of gen_lowpart.
3493 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3495 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3497 (mips_output_order_conditional_branch): Declare.
3498 * config/mips/mips.h (MIPS_BRANCH): New macro.
3499 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3500 for the comparison. Use gen_condjump.
3501 (mips_output_conditional_branch): Rework interface to take the
3502 asm templates for a direct branch and the inverse of a direct branch.
3503 (mips_output_order_conditional_branch): New function.
3504 (mips_builtin_branch_and_move): New function.
3505 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3506 branch condition. Use gen_single_cc as the condition for
3507 __builtin_mips_upper_* or __builtin_mips_lower_*.
3508 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3509 Use VOIDmode for the branch condition.
3510 * config/mips/predicates.md (order_operator): New predicate.
3511 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3512 (branch_fp): Rename to...
3513 (*branch_fp): ...this. Remove mode from comparison operator.
3514 Use new mips_output_conditional_branch interface.
3515 (branch_fp_inverted): Rename to...
3516 (*branch_fp_inverted): ...this and update as for *branch_fp.
3517 (*branch_zero<mode>): Rename to...
3518 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3519 Use mips_output_order_conditional_branch. Only accept ordered
3521 (*branch_zero<mode>_inverted): Rename to...
3522 (*branch_order<mode>_inverted): ...this and update as for
3523 *branch_order<mode>.
3524 (*branch_equality<mode>): Accept zero as the second operand to
3525 the equality operator. Use the new mips_output_conditional_branch
3527 (*branch_equality<mode>_inverted): Likewise.
3528 (condjump): New expander.
3529 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3531 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3532 (bc1any2t, bc1any2f): Likewise.
3533 (single_cc): New expander.
3534 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3536 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3538 * doc/md.texi: Update documentation of MIPS constraints.
3539 * config/mips/constraints.md: New file.
3540 * config/mips/mips.md: Include it.
3541 * config/mips/mips.c (mips_char_to_class): Delete.
3542 (override_options): Don't initialize mips_char_to_class.
3543 * config/mips/mips.h (mips_char_to_class): Delete.
3544 (REG_CLASS_FROM_LETTER): Delete.
3545 (CONST_OK_FOR_LETTER_P): Delete.
3546 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3547 (EXTRA_CONSTRAINT_Y): Delete.
3548 (EXTRA_CONSTRAINT_STR): Delete.
3549 (CONSTRAINT_LEN): Delete.
3550 (EXTRA_MEMORY_CONSTRAINT): Delete.
3552 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3554 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3555 original fn's eh regions.
3557 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3559 * fold-const.c (build_range_check): Make sure to use a valid type to
3560 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3563 (range_predecessor): New static function.
3564 (range_successor): Likewise.
3565 (merge_ranges): Use them to compute predecessors and successors of
3568 2006-03-09 Roger Sayle <roger@eyesopen.com>
3571 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3572 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3574 2006-03-08 DJ Delorie <dj@redhat.com>
3576 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3577 (addpsi3): Expand to include memory operands. Remove
3578 reload-specific splits.
3579 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3580 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3581 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3582 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3583 (shift1_qi, shift1_hi, insv): New.
3584 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3585 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3586 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3588 * config/m32c/m32c-protos.h: Update as needed.
3589 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3590 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3591 Fail for unrecognized R* constraints.
3592 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3593 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3594 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3596 (m32c_init_libfuncs): New.
3597 (m32c_legitimate_address_p): Add debug wrapper.
3598 (m32c_rtx_costs): New.
3599 (m32c_address_cost): New.
3600 (conversions): Add 'B' prefix.
3601 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3602 operands, or word regnames for QI operands. 'B' prints bit
3604 (m32c_expand_setmemhi): New.
3605 (m32c_expand_movmemhi): New.
3606 (m32c_expand_movstr): New.
3607 (m32c_expand_cmpstr): New.
3608 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3609 (m32c_expand_neg_mulpsi3): Handle non-ints.
3610 (m32c_cmp_flg_0): New.
3611 (m32c_expand_movcc): New.
3612 (m32c_expand_insv): New.
3613 (m32c_scc_pattern): New.
3614 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3615 a0/a1 out of SIregs.
3616 (STORE_FLAG_VALUE): New.
3617 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3620 * config/m32c/mov.md: Make constraints more liberal.
3621 (zero_extendqihi2): Optimize r0/r1 case.
3622 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3623 * config/m32c/predicates.md (m32c_any_operand): New.
3624 (m32c_nonimmediate_operand): New.
3625 (m32c_hl_operand): New.
3626 (m32c_r3_operand): New.
3629 (memsym_operand): New.
3630 (memimmed_operand): New.
3631 (a_qi_operand): New.
3632 (m32c_eqne_operator): New.
3633 (m32c_1bit8_operand): New.
3634 (m32c_1bit16_operand): New.
3635 (m32c_1mask8_operand): New.
3636 (m32c_1mask16_operand): New.
3637 * config/m32c/blkmov.md: New file.
3638 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3640 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3642 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3643 unsigned to fix signed/unsigned comparison issue in
3644 DWARF2_FRAME_REG_OUT.
3645 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3646 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3648 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3649 of ptr into the ENABLE_CHECKING section.
3651 2006-03-08 Jeff Law <law@redhat.com>
3653 * tree-vrp.c (infer_value_range): Only count pointer uses
3654 and dereferences if -fdelete-null-pointer-checks is enabled.
3656 * tree-vrp.c (find_assert_locations): Infer value ranges for
3657 single use pointers, but do not create ASSERT_EXPRs for them.
3658 When a non-null range is inferred for a pointer, backwards
3659 propagate that range to other equivalent pointers through the
3662 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3665 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3666 language hook targets.
3667 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3668 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3669 if language hook targets were missing.
3671 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3673 * tree-ssa-opfinalize.h: Removed.
3674 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3676 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3677 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3678 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3679 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3680 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3681 finalize_ssa_v_must_def_ops): New.
3683 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3685 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3688 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3690 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3692 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3693 addresses with offsets; reorganize.
3695 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3696 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3697 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3699 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3702 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3704 2006-03-08 Ben Elliston <bje@au.ibm.com>
3706 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3708 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3711 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3714 2006-03-07 Richard Guenther <rguenther@suse.de>
3716 PR tree-optimization/26587
3717 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3719 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3721 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3723 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3725 * hooks.c (hook_bool_mode_rtx_true): New function.
3726 * hooks.h (hook_bool_mode_rtx_true): Declare.
3727 * toplev.c (compile_file): Call output_shared_constant_pool.
3728 * varasm.c (shared_constant_pool): New variable.
3729 (assemble_start_function, assemble_end_function): Remove arguments
3730 from call to output_constant_pool.
3731 (create_constant_pool): New function, split out from...
3732 (init_varasm_status): ...here.
3733 (force_const_mem): Choose between the shared and per-function constant
3734 pools. Set current_function_uses_const_pool when reusing old entries
3735 as well as when creating new ones.
3736 (mark_constant): Ignore data argument.
3737 (mark_constants): Remove pool argument.
3738 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3739 to decide whether the function uses a constant pool.
3740 (output_constant_pool_contents): New function, split out from...
3741 (output_constant_pool): ...here.
3742 (output_shared_constant_pool): New function.
3743 (init_varasm_once): Initialize shared_constant_pool.
3744 * output.h (output_constant_pool): Delete.
3745 (output_shared_constant_pool): Declare.
3746 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3747 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3749 2006-03-06 Nick Clifton <nickc@redhat.com>
3751 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3752 flag_strength_reduce.
3754 2006-03-06 Ben Elliston <bje@au.ibm.com>
3756 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3757 x86_64-*-linux* configurations.
3759 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3760 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3762 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3764 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3766 * basic-block.h: Remove the extern for
3767 rediscover_loops_after_threading.
3769 * cfgloop.c (cancel_loop): Make it static.
3770 * cfgloop.h: Remove the prototype for cancel_loop.
3772 * flow.c (recompute_reg_usage): Make it static.
3773 * rtl.h: Remove the prototype for recompute_reg_usage.
3775 * function.c (use_return_register): Make it static.
3776 * function.h: Remove the prototype.
3778 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3780 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3782 * recog.h: Remove the prototype for
3783 validate_change_maybe_volatile.
3785 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3787 * rtlanal.c (replace_reg): Remove.
3788 * rtl.h: Remove the prototype for replace_reg.
3790 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3792 * regclass.c (reg_scan_update): Remove.
3793 (reg_scan_mark_refs): Remove the last argument.
3794 * rtl.h: Remove the prototype for reg_scan_update.
3796 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3798 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3799 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3800 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3801 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3802 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3803 loop-invariant.c, omp-low.c, opts.c, passes.c,
3804 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3805 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3806 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3807 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3808 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3809 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3811 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3813 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3814 * dwarf2out.h: Remove the prototype for
3815 dwarf2out_add_library_unit_info.
3817 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3819 * tree.c (add_var_to_bind_expr): Remove.
3820 * tree.h: Remove the prototype for add_var_to_bind_expr.
3822 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3824 * regclass.c (n_non_fixed_regs): Remove.
3825 (init_reg_sets_1, globalize_reg): Remove all uses of
3827 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3829 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3831 * rtlanal.c (insns_safe_to_move_p): Remove.
3832 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3834 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3836 * expmed.c (expand_mult_add): Remove.
3837 * expr.h: Remove the prototype for expand_mult_add.
3839 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3841 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3842 and REG_SAVED_VAL_EXP constants.
3843 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3844 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3845 Handle regs stored by value.
3846 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3847 (execute_cfa_program): Handle DW_CFA_val_offset,
3848 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3849 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3850 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3851 (uw_install_context_1): Handle target regs stored by value.
3853 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3855 * tree-sra.c (tree_sra): Return todoflags;
3856 (generate_one_element): Set TODO_update_smt_usage if needed.
3857 (pass_sra): Remove TODO_update_smt_usage.
3858 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3860 (tree_ssa_forward_propagate_single_use_vars): Return
3861 TODO_update_smt_usage if we need to update SMT usage.
3862 (pass_forwprop): Remove TODO_update_smt_usage.
3864 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3866 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3867 (correct_use_link): Remove reference to get_stmt_operands.
3868 (update_stmt_operands): Likewise.
3869 (get_modify_expr_operands): New function factored out of
3870 parse_ssa_operands and get_expr_operands.
3871 Try to create V_MUST_DEFs for LHS by default.
3872 (get_expr_operands) <case MODIFY_EXPR>: Call
3873 get_modify_expr_operands.
3874 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3875 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3876 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3877 get_modify_expr_operands.
3879 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3881 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3882 * tree-flow.h: Remove the prototype for
3883 referenced_var_lookup_if_exists.
3885 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3887 PR rtl-optimization/26345
3889 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3891 2006-03-03 Roger Sayle <roger@eyesopen.com>
3893 PR tree-optimization/26524
3894 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3895 fold_convert to create a constant of the appropriate type.
3897 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3899 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3900 SYMBOL_REF_IN_BLOCK_P.
3901 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3902 of SYMBOL_FLAG_IN_BLOCK.
3903 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3904 instead of SYMBOL_REF_IN_BLOCK_P.
3905 * explow.c (use_anchored_address): Likewise.
3906 * rtl.c (rtx_size): Likewise.
3907 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3908 instead of SYMBOL_FLAG_IN_BLOCK.
3909 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3910 SYMBOL_REF_IN_BLOCK_P.
3911 (assemble_variable): Likewise.
3912 (output_constant_def_contents): Likewise.
3913 (output_constant_pool): Likewise.
3914 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3915 instead of SYMBOL_FLAG_IN_BLOCK.
3916 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3917 SYMBOL_REF_IN_BLOCK_P.
3918 (SYMBOL_REF_BLOCK): Likewise.
3919 (SYMBOL_REF_OFFSET): Likewise.
3920 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3921 SYMBOL_REF_IN_BLOCK_P.
3922 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3923 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3924 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3925 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3927 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3929 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3931 2006-03-02 Roger Sayle <roger@eyesopen.com>
3933 * simplify-rtx.c (simplify_unary_operation): When simplifying
3934 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3935 that we perform the right shift in the appropriate mode, and
3936 then extend or truncate the result to requested mode.
3938 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3940 * gengtype.c (main): Handle double_int type.
3941 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3942 * double-int.c: New file.
3943 * double-int.h: New file.
3944 * system.h: Include doubleint.h.
3945 * Makefile.in (SYSTEM_H): Include double-int.h.
3946 (double-int.o): Add.
3948 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3951 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3954 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3956 * tree-vrp.c (remove_range_assertions): Do not update statements
3959 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3961 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3963 * gcse.c (rest_of_handle_gcse): Ditto.
3964 * except.c (gate_handle_eh): Ditto.
3965 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3966 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3968 2006-03-02 Eric Christopher <echristo@apple.com>
3970 * config/i386/i386.c (machopic_output_stub): Add indirection to
3973 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3977 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3979 Sun Niagara specific optimizations.
3980 * config.gcc: Recognize niagara as target.
3981 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3982 (TARGET_CPU_niagara): Define.
3983 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3984 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3985 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3986 (ASM_CPU_SPEC): Likewise.
3987 (PROCESSOR_NIAGARA): New enum entry.
3988 (REGISTER_MOVE_COST): Handle Niagara.
3989 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3990 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3991 (sparc_override_options): Recognize "niagara", set appropriate
3992 default MASK_* values for it, and align functions to 32-bytes
3993 by default just like ULTRASPARC/ULTRASPARC3.
3994 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3995 (sparc64_initialize_trampoline): Likewise.
3996 (sparc_use_sched_lookahead): Use zero for niagara.
3997 (sparc_issue_rate): Use one for niagara.
3998 * config/sparc/niagara.md: New file.
3999 * config/sparc/sparc.md: Include it.
4000 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4001 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4002 when default cpu is niagara.
4003 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4004 (ASM_CPU_SPEC): Likewise.
4005 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4006 when default cpu is niagara.
4007 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4008 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4009 just like v9/ultrasparc/ultrasparc3.
4010 * doc/invoke.texi: Add documentation for "niagara" and improve
4011 existing documentation for ultrasparc variants.
4013 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4015 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4017 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4019 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4020 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4021 and say that only one is needed.
4022 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4023 * target.h (have_switchable_bss_sections): New hook.
4024 * explow.c (use_anchored_address): Check that the symbol is in a block.
4025 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4026 (bss_noswitch_section): New variables.
4027 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4028 (get_noswitch_section): New function.
4029 (get_block_for_section): Allow SECT to be null.
4030 (unlikely_text_section_p): Use SECTION_STYLE.
4031 (bss_initializer_p): New function.
4032 (get_variable_section): Move earlier in file. Take a new argument,
4033 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4034 Return one of the new *_sections in such cases.
4035 (get_block_for_decl): New function, extracting some logic from
4036 use_blocks_for_decl_p.
4037 (change_symbol_section): Remove in favor of...
4038 (change_symbol_block): ...this new function.
4039 (use_blocks_for_decl_p): Remove checks now performed by
4041 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4042 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4043 (emit_local, emit_bss, emit_common): ...these new functions.
4044 Return true if the alignment was honored.
4045 (emit_tls_common): New function.
4046 (asm_emit_uninitialised): Delete.
4047 (assemble_variable_noswitch): New function, split out from...
4048 (assemble_variable): ...here. Don't make decisions about common
4049 variables here. Globalize all public decls that go into non-common
4050 sections. Check whether SYMBOL_REF_BLOCK is null.
4051 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4052 (output_constant_pool): Likewise.
4053 (init_varasm_once): Initialize the new section variables.
4054 (have_global_bss_p): New function.
4055 (categorize_decl_for_section): Use bss_initializer_p.
4056 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4057 (place_block_symbol): Assert that the symbol must be in a block.
4058 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4059 (TARGET_INITIALIZER): Include it.
4060 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4061 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4062 (SECTION_MACH_DEP): Bump by two.
4063 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4064 (unnamed_section): Mention SECTION_UNNAMED in comment.
4065 (named_section): Likewise SECTION_NAMED.
4066 (noswitch_section_callback): New type.
4067 (noswitch_section): New structure.
4068 (section): Add a noswitch_section alternative.
4069 (SECTION_STYLE): New macro.
4070 (tls_comm_section, comm_section, lcomm_section): Declare.
4071 (bss_noswitch_section, have_global_bss_p): Declare.
4072 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4073 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4075 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4076 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4079 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4081 * gcc/tree-vrp.c (execute_vrp): Return value.
4082 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4083 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4084 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4085 (tree_lower_complex_O0): Ditto.
4086 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4087 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4088 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4089 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4090 (execute_tail_calls): Ditto.
4091 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4092 * gcc/tree.h (init_function_for_compilation): Ditto.
4093 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4094 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4095 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4096 * gcc/final.c (compute_alignments): Ditto.
4097 (rest_of_handle_final): Ditto.
4098 (rest_of_handle_shorten_branches): Ditto.
4099 (rest_of_clean_state): Ditto.
4100 * gcc/omp-low.c (execute_expand_omp): Ditto.
4101 (execute_lower_omp): Ditto.
4102 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4103 * gcc/ipa-reference.c (static_execute): Ditto.
4104 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4105 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4106 (rest_of_handle_machine_reorg): Ditto.
4107 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4108 * gcc/flow.c (recompute_reg_usage): Ditto.
4109 (rest_of_handle_remove_death_notes): Ditto.
4110 (rest_of_handle_life): Ditto.
4111 (rest_of_handle_flow2): Ditto.
4112 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4113 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4114 (do_ssa_store_ccp): Ditto.
4115 (execute_fold_all_builtins): Ditto.
4116 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4117 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4118 * gcc/ipa-pure-const.c (static_execute): Ditto.
4119 * gcc/cse.c (rest_of_handle_cse): Ditto.
4120 (rest_of_handle_cse2): Ditto.
4121 * gcc/web.c (rest_of_handle_web): Ditto.
4122 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4123 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4124 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4125 * gcc/tree-nrv.c (tree_nrv): Ditto.
4126 (execute_return_slot_opt): Ditto.
4127 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4128 (create_structure_vars): Ditto.
4129 * gcc/loop-init.c (rtl_loop_init): Ditto.
4130 (rtl_loop_done): Ditto.
4131 (rtl_move_loop_invariants): Ditto.
4132 (rtl_unswitch): Ditto.
4133 (rtl_unroll_and_peel_loops): Ditto.
4134 (rtl_doloop): Ditto.
4135 * gcc/gimple-low.c (lower_function_body): Ditto.
4136 (mark_used_blocks): Ditto.
4137 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4138 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4139 (cgraph_early_inlining): Ditto.
4140 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4141 * gcc/jump.c (cleanup_barriers): Ditto.
4142 (purge_line_number_notes): Ditto.
4143 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4144 (rest_of_handle_if_after_reload): Ditto.
4145 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4146 (tree_ssa_loop_im): Ditto.
4147 (tree_ssa_loop_unswitch): Ditto.
4148 (tree_vectorize): Ditto.
4149 (tree_linear_transform): Ditto.
4150 (tree_ssa_loop_ivcanon): Ditto.
4151 (tree_ssa_empty_loop): Ditto.
4152 (tree_ssa_loop_bounds): Ditto.
4153 (tree_complete_unroll): Ditto.
4154 (tree_ssa_loop_prefetch): Ditto.
4155 (tree_ssa_loop_ivopts): Ditto.
4156 (tree_ssa_loop_done): Ditto.
4157 * gcc/predict.c (tree_estimate_probability): Ditto.
4158 * gcc/recog.c (split_all_insns_noflow): Ditto.
4159 (rest_of_handle_peephole2): Ditto.
4160 (rest_of_handle_split_all_insns): Ditto.
4161 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4162 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4163 (rest_of_handle_stack_adjustments): Ditto.
4164 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4165 * gcc/function.c (instantiate_virtual_regs): Ditto.
4166 (init_function_for_compilation): Ditto.
4167 (rest_of_handle_check_leaf_regs): Ditto.
4168 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4169 (rest_of_handle_gcse): Ditto.
4170 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4171 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4172 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4173 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4174 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4175 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4176 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4177 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4178 * gcc/except.c (set_nothrow_function_flags): Ditto.
4179 (convert_to_eh_region_ranges): Ditto.
4180 (rest_of_handle_eh): Ditto.
4181 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4182 (remove_unnecessary_notes): Ditto.
4183 * gcc/except.h (set_nothrow_function_flags): Ditto.
4184 (convert_to_eh_region_ranges): Ditto.
4185 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4186 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4187 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4188 (execute_fre): Ditto.
4189 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4190 (rest_of_handle_jump2): Ditto.
4191 * gcc/tree-sra.c (tree_sra): Ditto.
4192 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4193 (execute_mudflap_function_decls): Ditto.
4194 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4195 (do_store_copy_prop): Ditto.
4196 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4197 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4198 * gcc/tree-ssa-forwprop.c
4199 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4200 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4201 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4202 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4203 (execute_late_warn_uninitialized): Ditto.
4204 * gcc/rtl.h (cleanup_barriers): Ditto.
4205 (split_all_insns_noflow): Ditto.
4206 (purge_line_number_notes): Ditto.
4207 (unshare_all_rtl): Ditto.
4208 (remove_unnecessary_notes): Ditto.
4209 (recompute_reg_usage): Ditto.
4210 (variable_tracking_main): Ditto.
4211 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4212 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4213 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4214 (execute_free_cfg_annotations): Ditto.
4215 (execute_fixup_cfg): Ditto.
4216 (execute_cleanup_cfg_pre_ipa): Ditto.
4217 (execute_cleanup_cfg_post_optimizing): Ditto.
4218 (execute_init_datastructures): Ditto.
4219 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4220 * gcc/combine.c (rest_of_handle_combine): Ditto.
4221 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4222 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4223 (rest_of_handle_reorder_blocks): Ditto.
4224 (rest_of_handle_partition_blocks): Ditto.
4225 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4226 * gcc/tree-profile.c (tree_profiling): Ditto.
4227 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4228 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4229 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4230 (rest_of_handle_sched2): Ditto.
4231 * gcc/basic-block.h (free_bb_insn): Ditto.
4232 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4233 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4234 (remove_useless_stmts): Ditto.
4235 (split_critical_edges): Ditto.
4236 (execute_warn_function_return): Ditto.
4237 (execute_warn_function_noreturn): Ditto.
4238 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4239 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4240 * gcc/passes.c (execute_one_pass): Run additional
4241 todos returned by execute function.
4242 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4245 2006-03-02 Richard Guenther <rguenther@suse.de>
4247 * tree-ssa-alias.c (find_used_portions): Consider taking
4248 the address as making the variable not write-only.
4250 2006-03-02 Nick Clifton <nickc@redhat.com>
4252 * config.gcc (default_use_cxa_atexit): Extend the description of
4253 this configure variable. Set its default value to "yes" for
4254 Linux, NetBSD and ELF targets on the assumption that they will
4255 use C libraries with the __cxa_atexit function.
4257 2006-03-02 Ben Elliston <bje@au.ibm.com>
4259 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4260 parameter as unused to suppress a build warning.
4262 2006-03-02 Ben Elliston <bje@au.ibm.com>
4264 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4267 2006-03-01 Roger Sayle <roger@eyesopen.com>
4270 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4271 declared name, the weak reference name, and the typeof name.
4272 (__gthrw): Avoid expanding the declared name suffix.
4273 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4275 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4277 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4279 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4280 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4281 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4282 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4283 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4284 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4285 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4286 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4287 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4288 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4289 (DW_END_default, DW_END_big, DW_END_little): New.
4290 (DW_END_lo_user, DW_END_hi_user): Define.
4291 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4292 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4293 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4296 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4298 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4300 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4302 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4304 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4306 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4307 to 'symbol_mem_tag'.
4309 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4312 2006-03-01 Roger Sayle <roger@eyesopen.com>
4314 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4316 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4319 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4320 MACHO_DYNAMIC_NO_PIC_P.
4321 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4323 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4326 * config/darwin-protos.h (darwin_asm_output_anchor):
4328 * config/darwin-sections.def (cstring_section):
4329 Add SECTION_MERGE to the flags.
4330 (literal4_section): Likewise.
4331 (literal8_section): Likewise.
4332 (objc_selector_refs_section): Likewise.
4333 (objc_cls_refs_section): Likewise.
4334 * config/darwin.c (darwin_asm_output_anchor): New
4336 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4338 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4340 Fix PR tree-optimization/26443
4341 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4342 to todo and PROP_tmt_usage to properties_destroyed.
4343 * tree-ssa-ccp.c (pass_ccp): Ditto.
4344 (pass_store_ccp): Ditto.
4345 * tree-ssa-dom.c (pass_dominator): Ditto.
4347 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4349 * tree-ssa-operands.c: Cleanup whitespace.
4350 (get_asm_expr_operands): Move before first invocation.
4351 (get_indirect_ref_operands): Likewise.
4352 (get_tmr_operands): Likewise.
4353 (get_call_expr_operands): Likewise.
4354 (append_def): Likewise.
4355 (append_use): Likewise.
4356 (append_v_may_def): Likewise.
4357 (append_v_must_def): Likewise.
4358 (add_call_clobber_ops): Likewise.
4359 (add_call_read_ops): Likewise.
4360 (add_stmt_operand): Likewise.
4361 (add_virtual_operand): Likewise.
4362 (build_ssa_operands): Likewise.
4364 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4369 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4370 with a call expr to ...
4371 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4373 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4375 * tree-vrp.c (extract_range_from_assert): Remove special
4376 handling for types with super-types.
4378 2006-03-01 Ben Elliston <bje@au.ibm.com>
4380 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4381 and powerpc64-*-linux* configurations.
4382 * config/t-dfprules: New file.
4384 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4385 Compile dfp-bit.c from the source directory using -DWIDTH and
4386 $DFP_CFLAGS to control the compilation of that file, rather than
4387 generating width-specific versions in the build directory.
4388 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4389 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4391 2006-02-28 Zack Weinberg <zackw@panix.com>
4393 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4396 2006-02-28 Eric Christopher <echristo@apple.com>
4398 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4399 Set up IN_LIBGCC definition of TARGET_64BIT.
4400 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4402 2006-02-28 Roger Sayle <roger@eyesopen.com>
4405 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4406 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4407 cases via the construction of "expr != 0".
4409 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4411 * alias.c (alias_invariant, alias_invariant_size): Remove.
4412 (record_base_value): Remove.
4413 (memrefs_conflict_p): Don't look at alias_invariant.
4414 (end_alias_analysis): Don't free it.
4415 * alias.h (record_base_value): Remove prototype.
4417 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4418 Adam Nemet <anemet@caviumnetworks.com>
4420 * rtl.h (truncated_to_mode): Declare it.
4421 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4422 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4423 (RTL_HOOKS_INITIALIZER): Include it.
4424 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4425 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4426 reg_truncated_to_mode.
4427 * rtlanal.c (truncated_to_mode): Define it.
4428 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4430 2006-02-28 Jeff Law <law@redhat.com>
4432 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4433 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4434 the range allowed by TYPE_PRECISION.
4436 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4438 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4440 PR tree-optimization/26419
4441 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4444 2006-02-27 Zack Weinberg <zackw@panix.com>
4446 * doc/md.texi: Fix typo in previous change.
4448 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4452 2006-02-27 Zack Weinberg <zackw@panix.com>
4454 * rtl.def (define_constraint, define_register_constraint)
4455 (define_memory_constraint, define_address_constraint): New MD forms.
4456 * gensupport.c (process_rtx): Put define_constraint etc on the
4458 * genpreds.c (process_define_predicate): Adjust comment. Validate
4459 the name, and call validate_exp to validate the expression.
4460 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4461 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4462 all callers changed.
4463 (validate_exp, needs_variable, struct constraint_data)
4464 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4465 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4466 (const_dbl_constraints, constraint_max_namelen)
4467 (have_register_constraints, have_memory_constraints)
4468 (have_address_constraints, have_address_constraints)
4469 (have_extra_constraints, have_const_int_constraints)
4470 (have_const_dbl_constraints, mangle, add_constraint)
4471 (process_define_constraint, process_define_register_constraint)
4472 (write_enum_constraint_num, write_lookup_constraint)
4473 (write_insn_constraint_len, write_regclass_for_constraint)
4474 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4475 (write_insn_extra_memory_constraint)
4476 (write_insn_extra_address_constraint)
4477 (write_satisfies_constraint_fns): New.
4478 (write_tm_preds_h): If we have new-style constraint definitions,
4479 prototype the functions generated from them, and define the
4480 old constraint interface (still used by generic code) in terms of
4482 (write_insn_preds_c): If we have new-style constraint definitions,
4483 generate all relevant functions from those definitions.
4484 (main): Handle define_constraint etc.
4485 * genoutput.c (struct constraint_data, indep_constraints)
4486 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4487 (mdep_constraint_len): New data structures and functions, defined
4488 #ifdef USE_MD_CONSTRAINTS.
4489 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4490 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4491 use new logic to validate operand constraints against constraint
4493 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4495 * defaults.h: If none of the old-style constraint macros are
4496 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4497 old-style macros; and poison REG_CLASS_FROM_LETTER,
4498 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4500 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4501 * doc/md.texi: Document new constraint-definition mechanism and the
4502 C interface it provides. Remove references to old mechanism
4503 elsewhere in the document.
4504 (Machine Constraints): Use pathnames relative to gcc directory,
4505 i.e. config/ARCH/FILE. Change i386 section to refer to
4506 config/i386/predicates.md; update that section to match docstrings.
4507 * doc/tm.texi: Move all documentation of the old constraint-
4508 definition macros to their own section, clearly mark as obsolete.
4510 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4511 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4513 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4514 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4515 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4517 (splits and peepholes): Use satisfies_constraint_*.
4518 * config/i386/i386.c (memory_address_length)
4519 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4521 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4523 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4524 scalar operation to be put back into the loop.
4526 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4529 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4530 (extract_cie_info): Handle S flag in augmentation string.
4531 (execute_cfa_program): If context->signal_frame, execute also
4532 fs->pc == context->ra instructions.
4533 (uw_frame_state_for): If context->signal_frame, don't subtract one
4534 from context->ra to find FDE.
4535 (uw_update_context_1): Set context->signal_frame to
4537 (_Unwind_GetIPInfo): New function.
4538 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4539 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4541 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4542 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4543 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4544 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4545 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4546 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4547 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4548 x86_64_fallback_frame_state): Set fs->signal_frame.
4549 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4550 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4551 (frob_update_context): Likewise. Workaround missing S flag in
4552 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4553 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4554 Remove the psw_addr + 1 hack.
4556 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4558 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4559 with aggregates here.
4560 (find_func_aliases): Remove code for &<aggregate> from here.
4562 2006-02-26 Roger Sayle <roger@eyesopen.com>
4564 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4565 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4566 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4569 2006-02-26 Roger Sayle <roger@eyesopen.com>
4572 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4574 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4576 * opts.c (decode_options): Do not handle flag_strength_reduce.
4577 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4578 and OPT_fstrength_reduce.
4579 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4580 flag_prefetch_loop_arrays for being nonzero.
4581 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4583 (fprefetch-loop-arrays-rtl): Removed.
4584 (flag_prefetch_loop_arrays): Do not specify the value.
4586 * doc/passes.texi: Update documentation of loop optimizer
4588 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4589 -frerun-loop-opt): Remove.
4591 2006-02-26 Richard Guenther <rguenther@suse.de>
4593 PR tree-optimization/26421
4594 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4595 in function calls that are ADDR_EXPRs as using the whole structure.
4597 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4599 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4600 * tree-pass.h (pass_loop_optimize): Remove.
4601 * passes.c (pass_loop_optimize): Never run it.
4602 * toplev.c (backend_init): Don't call init_loop.
4603 * opts.c (flag_loop_optimize_set): Remove.
4604 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4605 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4606 the old RTL loop optimizer when profiling enabled.
4607 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4608 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4609 pre-headers for the sake of the old RTL loop optimizer.
4610 * Makefile.in: Remove all references to loop.o.
4612 * doc/invoke.texi: Remove all references to -floop-optimize
4613 and -frerun-loop-opt.
4615 2006-02-26 Zack Weinberg <zackw@panix.com>
4617 * doc/md.texi (Machine Constraints): Refer to all files with paths
4618 relative to gcc directory (i.e. config/CPU/file). Add missing
4619 @table @code ... @end table to M32C subsection.
4621 2006-02-26 Roger Sayle <roger@eyesopen.com>
4623 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4625 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4627 2006-02-26 Roger Sayle <roger@eyesopen.com>
4628 James A. Morrison <phython@gcc.gnu.org>
4631 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4632 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4633 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4634 signedness of the shift operation.
4636 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4638 PR tree-optimization/26359
4639 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4641 2006-02-25 Roger Sayle <roger@eyesopen.com>
4643 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4644 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4645 as X == 0, and some symmetry related transformations.
4646 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4648 2006-02-25 Roger Sayle <roger@eyesopen.com>
4651 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4652 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4653 symmetry related transformations. Fold (X^C1) == C2 as
4656 2006-02-25 Juergen Weigert <jw@suse.de>
4657 Richard Guenther <rguenther@suse.de>
4659 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4661 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4663 * combine.c (gen_lowpart_or_truncate): Call
4664 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4666 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4668 * doc/invoke.texi: Move -fopenmp description to "Options for
4670 Remove reference to -lgomp.
4672 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4674 * doc/install.texi: Require GNU tar version 1.14.
4676 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4678 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4679 * doc/invoke.texi (C++ Dialect Options): Document
4680 -fno-use-cxa-get-exception-ptr.
4681 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4682 * configure: Regenerate.
4683 * c.opt (fuse-cxa-get-exception-ptr): New.
4684 * c-opts.c (c_common_handle_option): Handle
4685 OPT_fuse_cxa_get_exception_ptr.
4686 * c-common.c (flag_use_cxa_atexit): Update documentation.
4687 (flag_use_cxa_get_exception_ptr): New.
4688 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4689 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4691 (C_COMMON_OVERRIDE_OPTIONS): New.
4693 2006-02-24 Roger Sayle <roger@eyesopen.com>
4696 * combine.c (try_combine): Explicitly check whether GET_CODE is
4697 a SET or a CLOBBER, instead on checking that it isn't a USE.
4699 2006-02-24 Roger Sayle <roger@eyesopen.com>
4701 * fold-const.c (fold_comparison): New subroutine of fold_binary
4702 containing transformations common to both the equality and
4703 ordering relational operators, factored out of fold_binary.
4704 (fold_binary): Separate out the equality operators (EQ_EXPR
4705 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4706 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4707 transformations common to both.
4708 (fold_div_compare): Fix latent bugs in the previously unreachable
4709 LT_EXPR and GE_EXPR cases.
4711 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4713 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4714 decl libname for clog to __clog on AIX.
4716 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4718 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4721 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4722 output traceback table for thunks. Localise rs6000_stack_info call.
4724 2006-02-23 Roger Sayle <roger@eyesopen.com>
4725 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4727 * gthr-posix.h (__gthrw): Fix typo in comment.
4729 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4731 * doc/cpp.texi (Character sets): Document that we do support
4732 input files to be in any character set.
4734 2006-02-23 Jeff Law <law@redhat.com>
4736 * tree.h (PHI_ARG_NONZERO): Remove.
4737 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4738 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4739 node to the new node.
4741 PR tree-optimization/26425
4742 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4743 min/max, then assume its varying.
4745 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4747 PR rtl-optimization/26316
4748 * rtlanal.c (enum may_trap_p_flags): New.
4749 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4750 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4751 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4752 (may_trap_after_code_motion_p): New function.
4753 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4754 (find_invariant_insn): Use may_trap_after_code_motion_p.
4755 * rtl.h (may_trap_after_code_motion_p): Declare.
4757 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4759 * emit-rtl.c (immed_double_const): Cleanup.
4761 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4763 Fix PR tree-optimization/26376
4764 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4767 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4770 * gimplify.c (omp_add_variable): Guard variable size decl test with
4771 DECL_SIZE (decl) check.
4773 2006-02-23 Richard Guenther <rguenther@suse.de>
4776 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4777 like aggregate types.
4779 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4781 * configure.ac: Add --with{,out}-long-double-128 configure option.
4782 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4783 * configure: Rebuilt.
4784 * config.in: Rebuilt.
4785 * doc/install.texi (Options specification): Document
4786 --with-long-double-128.
4788 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4789 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4790 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4791 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4793 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4795 * config/s390/s390.c (override_options): Handle
4796 TARGET_DEFAULT_LONG_DOUBLE_128.
4798 * config/alpha/alpha.c (override_options): Handle
4799 TARGET_DEFAULT_LONG_DOUBLE_128.
4801 * config/sparc/sparc.c (sparc_override_options): Handle
4802 TARGET_DEFAULT_LONG_DOUBLE_128.
4804 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4806 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4807 (real-install-headers-tar, real-install-headers-cpio)
4808 (real-install-headers-cp): New targets.
4810 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4812 * tree.h (variable_section): Delete.
4813 * varasm.c (variable_section): Delete.
4815 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4817 * install.texi: Add notes on install.texi2html.
4818 (Building in parallel): Do not use footnotes.
4820 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4823 * doc/install.texi (Configuration): Document --disable-libgomp.
4825 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4827 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4829 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4831 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4832 (vec_extractv2df_0_sse): New.
4834 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4836 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4837 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4838 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4839 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4840 to the result of the expression.
4841 (def_cfa_1): Adjust.
4842 (frame_pointer_cfa_offset): Rename to...
4843 (frame_pointer_fb_offset): ... this. Adjust all uses.
4844 (convert_cfa_to_loc_list): Rename to...
4845 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4846 Pass it on to build_cfa_loc.
4847 (compute_frame_pointer_to_cfa_displacement): Rename to...
4848 (compute_frame_pointer_to_fb_displacement): ... this. New
4849 offset parameter. Use it in computation.
4850 (gen_subprogram_die): Compute cfa_fb_offset with the new
4851 macro, and use it to compute the fb loc list and the
4854 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4856 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4857 replaced with register_operand.
4858 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4859 non-DREG is expensive.
4860 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4861 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4864 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4866 * doc/install.texi2html: Use set -e.
4868 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4870 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4871 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4872 * doc/invoke.texi (-fshared-data): Delete.
4873 * common.opt (fshared-data): Delete.
4874 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4875 (assemble_static_space): Remove #if 0 code.
4876 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4877 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4878 * config/cris/cris.h: Remove FIXME.
4880 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4882 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4885 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4888 * combine.c (simplify_shift_const_1): Disable nested shifts
4889 optimization for vector shifts.
4891 2006-02-20 Roger Sayle <roger@eyesopen.com>
4893 PR tree-optimization/26361
4894 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4895 of unsigned integer types.
4897 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4899 * tree-chrec.c (eq_evolutions_p): New.
4900 * tree-chrec.h (eq_evolutions_p): Declared.
4901 * tree-data-ref.c: Fix formatting.
4902 (datadep_stats, dependence_stats): New.
4904 (print_direction_vector): New.
4905 (dump_data_dependence_relation): Use print_direction_vector.
4906 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4907 (compute_subscript_distance): Static.
4908 (initialize_data_dependence_relation): Static. Get the number
4909 of loops surrounding the references from the callers, and initialize
4910 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4911 base_object_differ_p analyzers.
4912 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4913 compute_overlap_steps_for_affine_1_2,
4914 analyze_subscript_affine_affine): Count the classified dependences.
4915 Print a message when a test failed.
4916 (can_use_analyze_subscript_affine_affine): New.
4917 (analyze_siv_subscript): Compute the data dependences on symbolic
4918 scevs that verify can_use_analyze_subscript_affine_affine.
4919 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4920 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4921 Handle symbolic scevs.
4922 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4924 (subscript_dependence_tester): Moved...
4925 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4926 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4927 DDR_SIZE_VECT instead of getting it in parameter.
4928 (subscript_dependence_tester): ... here. Take as a parameter
4929 loop_nest_depth. Call build_classic_dist_vector and
4930 build_classic_dir_vector.
4931 (compute_affine_dependence): Update subscript_dependence_tester
4932 parameters. Update datadep_stats counters. Call
4933 compute_subscript_distance.
4934 (compute_self_dependence): Save the dist and dir vectors. Call
4935 compute_subscript_distance.
4936 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4937 (compute_all_dependences): Reorder parameters as they were before
4938 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4939 compute_subscript_distance. Update the use of
4940 compute_affine_dependence and initialize_data_dependence_relation.
4941 (find_data_references_in_loop): Handle COMPONENT_REF.
4942 (compute_data_dependences_for_loop): Initialize dependence_stats.
4943 Don't call build_classic_dist_vector and build_classic_dir_vector.
4944 Update the parameters of initialize_data_dependence_relation and
4945 compute_all_dependences. Print the statistics from datadep_stats.
4946 (analyze_all_data_dependences): Static. Not used until the pass for
4947 checking the data dependences is contributed.
4948 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4949 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4950 (initialize_data_dependence_relation, compute_affine_dependence,
4951 analyze_all_data_dependences, compute_subscript_distance): Removed.
4952 (print_direction_vector): New.
4953 * lambda.h (gcd): ... here.
4954 (lambda_vector_gcd): Moved here from gcd_vector.
4955 * lambda-code.c (gcd, gcd_vector): Removed.
4956 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4957 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4959 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4961 * ipa-type-escape.c: Tidy some comments and white space.
4962 * tree-ssa-operands.c: Likewise.
4964 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4967 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4968 (dump_decl_name): Do not walk the decl tree chains.
4969 * tree-pass.h (TDF_CHAIN): Remove.
4971 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4973 * Makefile.in (C): Remove
4975 (.PHONY): Remove C and PROTO
4977 2006-02-20 Roger Sayle <roger@eyesopen.com>
4980 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4981 deprecated CHAR_TYPE tree code.
4983 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4985 * configure.ac (target_list): Add install-info, dvi, html.
4986 * configure: Regenerate.
4988 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4989 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4990 treelang/Make-lang.in: Do not use double-colon rules.
4992 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4994 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4995 (TMT_USED_ALONE): New macro.
4996 * tree-pass.h (PROP_tmt_usage): New property.
4997 (TODO_update_tmt_usage): New todo.
4998 * tree-ssa-alias.c (updating_used_alone): New variable.
4999 (recalculate_used_alone): New function.
5000 (compute_may_aliases): Set updating_used_alone, call
5001 recalculate_used_alone.
5002 * tree-sra.c (pass_sra): Note that this pass destroys
5003 PROP_tmt_usage, and add TODO_update_tmt_usage.
5004 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5005 * tree-flow.h (updating_used_alone): Prototype.
5006 (recalculate_used_alone): Ditto.
5007 * passes.c (execute_todo): Add code to set updating_used_alone,
5008 and call recalculate.
5009 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5010 for clobber if used alone, and add assert to verify used_alone
5013 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5015 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5016 for non tls symbols added.
5017 (legitimize_address): Do nothing for PLUS expressions if one of the
5018 addends is a tls symbol reference.
5020 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5024 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5026 * Makefile.in (BOOTSTRAPPING): New.
5027 (quickstrap): New definition if BOOTSTRAPPING=yes.
5029 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5030 * configure.ac: Substitute all_selected_languages with the languages
5031 that were configured. For all the other variables except
5032 lang_specs_files, include all the languages in the tree.
5033 * configure: Regenerate.
5035 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5036 if there is one. Run the commands to run fixincludes in the same
5039 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5040 * doc/install.texi: Document exact conventions for searching target tools.
5041 Document --with-build-time-tools. Document toplevel bootstrap. Document
5042 something more about building an Ada cross-compiler. Don't list GNU Make
5043 requirements which affect all platforms.
5045 2006-02-19 Roger Sayle <roger@eyesopen.com>
5048 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5049 only equivalent if the have both the same mode and precision.
5051 2006-02-20 Ben Elliston <bje@au.ibm.com>
5053 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5055 2006-02-19 Roger Sayle <roger@eyesopen.com>
5056 Steven Bosscher <stevenb.gcc@gmail.com>
5058 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5059 constant pool references to identify stack mode constants.
5060 * rtlanal.c (constant_pool_constant_p): New predicate to check
5061 whether operand is a floating point constant in the pool.
5062 * rtl.h (constant_pool_constant_p): Prototype here.
5063 * loop.c (scan_loop): Avoid hoisting constants from the constant
5064 pool on STACK_REGS targets.
5065 (load_mems): Likewise.
5066 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5067 loads into x87 registers expensive in terms of register pressure.
5069 2006-02-19 Roger Sayle <roger@eyesopen.com>
5071 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5072 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5074 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5076 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5077 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5079 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5081 * doc/invoke.texi: Document -fipa-pta.
5082 * common.opt: Add ipa-pta option.
5083 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5084 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5085 (do_ds_constraint): Ditto.
5086 (get_constraint_for): Only add to referenced_vars if
5087 referenced_vars exists.
5088 (insert_into_field_list): Rewrite to do this unsorted.
5089 (insert_into_field_list_sorted): Rename old insert_into_field_list
5091 (create_function_info_for): Use insert_into_field_list_sorted.
5092 (create_variable_info_for): Rewrite so it uses unsorted version,
5093 since the field list is sorted.
5094 (intra_create_variable_infos): Only add to referenced_vars if
5095 referenced_vars exists.
5096 (ipa_pta_execute): Init heapvars, and delete when done.
5097 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5099 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5101 * doc/install.texi: Add missing `@samp'.
5103 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5105 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5108 2006-02-18 Mark Wielaard <mark@klomp.org>
5110 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5111 who added new 4.1 features, bug fixes and integration support.
5113 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5116 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5119 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5121 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5122 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5123 (copy_insn_1): Likewise. Don't copy each field individually.
5125 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5127 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5128 * rtl.c (rtx_size): Rename variable to...
5129 (rtx_code_size): ...this.
5130 (rtx_size): New function.
5131 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5132 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5134 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5135 * rtl.h (rtx_code_size): New variable.
5136 (rtx_size): Change from a variable to a function.
5137 (RTX_SIZE): Rename to...
5138 (RTX_CODE_SIZE): ...this.
5141 PR tree-optimization/17106
5142 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5143 (Anchored Addresses): New section.
5144 * doc/invoke.texi (-fsection-anchors): Document.
5145 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5146 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5147 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5148 * hooks.c (hook_bool_mode_rtx_false): New function.
5149 * hooks.h (hook_bool_mode_rtx_false): Declare.
5150 * gengtype.c (create_optional_field): New function.
5151 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5152 SYMBOL_REF_IN_BLOCK_P is true.
5153 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5154 (min_anchor_offset, max_anchor_offset): Likewise.
5155 (use_anchors_for_symbol_p): New hook.
5156 * toplev.c (compile_file): Call output_object_blocks.
5157 (target_supports_section_anchors_p): New function.
5158 (process_options): Check that -fsection-anchors is only used on
5159 targets that support it and when -funit-at-a-time is in effect.
5160 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5161 if the decl doesn't have one.
5162 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5163 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5164 of force_const_mem through use_anchored_address.
5165 (expand_expr_constant): New function.
5166 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5167 calling expand_expr for INDIRECT_REF.
5168 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5169 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5170 * expr.h (use_anchored_address): Declare.
5171 * loop-unroll.c: Don't declare rtx vectors here.
5172 * explow.c: Include output.h.
5173 (validize_mem): Call use_anchored_address.
5174 (use_anchored_address): New function.
5175 * common.opt (-fsection-anchors): New switch.
5176 * varasm.c (object_block_htab, anchor_labelno): New variables.
5177 (hash_section, object_block_entry_eq, object_block_entry_hash)
5178 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5179 (use_blocks_for_decl_p, change_symbol_section): New functions.
5180 (get_variable_section): New function, split out from assemble_variable.
5181 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5182 use_blocks_for_decl_p say so. Use change_symbol_section if the
5183 symbol has already been created.
5184 (assemble_variable_contents): New function, split out from...
5185 (assemble_variable): ...here. Don't output any code for
5186 block symbols; just pass them to place_block_symbol.
5187 Use get_variable_section and assemble_variable_contents.
5188 (get_constant_alignment, get_constant_section, get_constant_size): New
5189 functions, split from output_constant_def_contents.
5190 (build_constant_desc): Create a block symbol if use_object_blocks_p
5191 says so. Or into SYMBOL_REF_FLAGS.
5192 (assemble_constant_contents): New function, split from...
5193 (output_constant_def_contents): ...here. Don't output any code
5194 for block symbols; just pass them to place_section_symbol.
5195 Use get_constant_section and get_constant_alignment.
5196 (force_const_mem): Create a block symbol if use_object_blocks_p and
5197 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5198 (output_constant_pool_1): Add an explicit alignment argument.
5199 Don't switch sections here.
5200 (output_constant_pool): Adjust call to output_constant_pool_1.
5201 Switch sections here instead. Don't output anything for block symbols;
5202 just pass them to place_block_symbol.
5203 (init_varasm_once): Initialize object_block_htab.
5204 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5205 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5206 (place_block_symbol, get_section_anchor, output_object_block)
5207 (output_object_block_htab, output_object_blocks): New functions.
5208 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5209 (TARGET_ASM_OUT): Include it.
5210 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5211 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5212 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5213 (TARGET_INITIALIZER): Include them.
5214 * rtl.c (rtl_check_failed_block_symbol): New function.
5215 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5216 (block_symbol, object_block): New structures.
5217 (rtx_def): Add a block_symbol field to the union.
5218 (BLOCK_SYMBOL_CHECK): New macro.
5219 (rtl_check_failed_block_symbol): Declare.
5220 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5221 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5222 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5223 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5224 * output.h (output_section_symbols): Declare.
5225 (object_block): Name structure.
5226 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5227 (default_use_anchors_for_symbol_p): Declare.
5228 * Makefile.in (RTL_BASE_H): Add vec.h.
5229 (explow.o): Depend on output.h.
5230 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5231 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5232 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5233 (rs6000_use_blocks_for_constant_p): New function.
5235 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5237 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5239 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5242 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5245 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5247 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5251 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5254 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5255 instead of DECL_REGISTER.
5257 2006-02-18 Olivier Hainque <hainque@adacore.com>
5260 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5262 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5265 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5266 * opth-gen.awk: Handle Var and InverseMask together.
5267 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5268 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5269 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5270 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5272 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5273 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5274 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5275 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5276 LINUX_DYNAMIC_LINKER): Define.
5277 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5278 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5280 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5281 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5282 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5283 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5284 (TARGET_C99_FUNCTIONS): Don't define.
5285 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5286 GLIBC_DYNAMIC_LINKER.
5287 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5288 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5289 GLIBC_DYNAMIC_LINKER64): Define.
5290 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5291 LINUX_DYNAMIC_LINKER64.
5292 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5294 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5295 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5296 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5297 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5298 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5299 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5300 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5302 and LINUX_DYNAMIC_LINKER32.
5303 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5304 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5305 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5306 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5307 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5309 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5310 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5311 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5312 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5313 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5314 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5315 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5316 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5317 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5318 LINUX_DYNAMIC_LINKER): Define.
5319 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5320 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5321 GLIBC_DYNAMIC_LINKER64): Define.
5322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5323 LINUX_DYNAMIC_LINKER64.
5324 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5325 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5326 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5327 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5328 LINUX_DYNAMIC_LINKER): Define.
5329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5330 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5331 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5332 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5333 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5334 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5335 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5336 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5337 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5338 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5339 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5340 * doc/invoke.texi (-muclibc): Remove caveat about supported
5343 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5345 * doc/cpp.texi (__TIMESTAMP__): Document.
5347 2006-02-17 Roger Sayle <roger@eyesopen.com>
5350 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5351 C is one less than the width of X (and related transformations).
5352 * simplify-rtx.c (simplify_unary_operation_1): Transform
5353 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5354 depending on STORE_FLAG_VALUE, were C is one less then the
5357 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5359 Fix PR tree-optimization/26341
5360 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5361 about NAME_MEMORY_TAG's.
5363 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5366 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5367 with hardware float support, and software float support. Add fcpy
5368 alternative to hardware patterns. Add alternatives to copy between
5369 general and floating-point registers to the 32-bit pattern.
5370 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5371 secondary reload to load a QI or HI mode constant into a floating
5373 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5374 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5376 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5379 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5381 (load_macho_picbase_di): Likewise.
5383 2006-02-16 Jeff Law <law@redhat.com>
5385 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5386 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5387 (ssa_name_nonzero_p): Likewise.
5388 (get_value_range): Return NULL if VRP is not running.
5389 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5390 VRP routines do not discover a range.
5391 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5392 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5393 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5394 (tree_expr_nonnegative_p): Similarly.
5395 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5396 (restore_nonzero_vars_to_original_value): Remove.
5397 (unsafe_associative_fp_binop): Remove.
5398 (tree_ssa_dominator_optimize): Remove initialization and
5399 finalization of nonzero_vars and nonzero_vars_stack.
5400 (dom_opt_initialize_block): No longer push marker on
5402 (dom_opt_finalize_block): No longer call
5403 restore_nonzero_vars_to_original_value.
5404 (record_equivalences_from_phis): No longer look for
5405 nonzero PHI arguments.
5406 (cprop_into_successor_phis): No longer propagate nonzero
5407 property into PHI arguments. Lose unused argument. Caller
5409 (record_equivalences_from_stmt): No longer record nonzero
5410 values for SSA_NAMEs.
5411 (lookup_avail_expr): No longer use nonzero_vars.
5413 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5414 for sizetype when sizetype is unsigned.
5416 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5418 PR rtl-optimization/25603
5419 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5420 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5421 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5422 with new meaning of SETS.
5424 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5429 * config/linux.opt: New file.
5430 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5431 LINUX_DYNAMIC_LINKER): Define.
5432 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5433 * config.gcc (*-*-linux*): Define extra_options.
5434 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5435 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5436 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5437 GLIBC_DYNAMIC_LINKER.
5438 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5439 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5440 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5441 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5442 * doc/invoke.texi (GNU/Linux Options): New section.
5444 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5446 * config/sparc/sparc.md (setjmp): Rewrite.
5447 (setjmp_32): Delete.
5448 (setjmp_64): Likewise.
5450 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5452 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5455 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5457 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5460 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5462 PR rtl-optimization/26296
5463 * Makefile.in (loop-invariant.c): Add except.h dependency.
5464 * loop-invariant.c: Include except.h.
5465 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5467 2005-02-16 Paul Brook <paul@codesourcery.com>
5469 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5472 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5474 PR rtl-optimization/25636
5475 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5476 when deciding whether an insn is an initializing insn.
5478 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5480 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5481 (tree_code_size): Ditto.
5482 * tree.h (struct tree_memory_tag): Remove parent_var.
5483 (struct tree_struct_field_tag): New.
5486 (union tree_node): Add sft member.
5487 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5489 (create_sft): Add size and offset argument, set SFT_OFFSET and
5491 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5492 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5493 * tree-flow-inline.h (get_subvar_at): Update for
5494 SFT_OFFSET/SFT_SIZE.
5495 (var_can_have_subvars): Ditto.
5496 (overlap_subvar): Ditto.
5497 * print-tree.c (print_node): Print out interesting things for
5499 * tree-flow.h (struct subvar): Remove offset and size members.
5500 * tree-ssa-operands.c (get_expr_operands): Update for
5501 get_indirect_ref_operands changes.
5502 (get_indirect_ref_operands): Call add_virtual_operand instead of
5503 add_stmt_operand. Only recurse on base var if requested.
5504 (access_can_touch_variable): New function.
5505 (add_stmt_operand): Split virtual operand handling into ...
5506 (add_virtual_operand): Here. Add offset, size, and for_clobber
5507 arguments. Prune alias sets.
5508 (add_call_clobber_ops): Call add_virtual_operand.
5510 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5513 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5515 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5516 than TREE_CODE as index into omp_clause_num_ops array.
5518 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5520 PR rtl-optimization/26184
5521 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5523 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5524 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5525 must_precede, must_follow and tobe_scheduled.
5528 * opts.c (common_handle_option): Free new_option pointer.
5529 * df-core.c (df_analyze): Free postorder pointer.
5531 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5533 * Makefile.in: Fix the examples about the use of stamps
5535 2006-02-15 Michael Matz <matz@suse.de>
5539 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5540 influenced by maximum_field_alignment or DECL_PACKED.
5541 (update_alignment_for_field): Ditto.
5542 (place_field): Ditto.
5543 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5546 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5548 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5549 (debug_flow_info): Pass it.
5550 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5551 * bb-reorder.c (reorder_basic_blocks): Likewise.
5552 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5553 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5554 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5555 * gcse.c (gcse_main, bypass_jumps): Likewise.
5556 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5557 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5558 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5559 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5560 * rtl.h (dump_flow_info): Adjust prototype.
5561 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5562 * var-tracking.c (variable_tracking_main): Likewise.
5563 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5564 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5567 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5569 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5572 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5574 PR tree-optimization/26209
5575 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5576 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5578 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5580 2006-02-14 Roger Sayle <roger@eyesopen.com>
5583 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5584 (X,Y) and the corresponding symmetry related transformations.
5585 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5586 (X,Y) and its symmetry related transformations.
5588 2006-02-14 Roger Sayle <roger@eyesopen.com>
5590 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5593 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5595 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5597 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5600 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5601 support COMDAT group.
5602 * configure: Regenerate.
5604 2006-02-14 Roger Sayle <roger@eyesopen.com>
5609 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5611 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5613 Fix PR tree-optimization/26260
5615 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5617 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5618 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5619 * tree-ssa-structalias.c (create_variable_info_for): Use
5620 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5622 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5624 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5626 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5627 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5628 of the ending condition.
5629 * tree-ssa-loop-manip.c: Include params.h.
5630 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5631 tree_unroll_loop): New functions.
5632 * tree-pass.h (pass_loop_prefetch): Declare.
5633 * loop.c (rest_of_handle_loop_optimize): Test for
5634 -fprefetch-loop-arrays-rtl.
5635 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5636 * timevar.def (TV_TREE_PREFETCH): New timevar.
5637 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5638 pass_loop_prefetch): New.
5639 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5640 (cleanup_tree_cfg_loop): Call scev_reset.
5641 * common.opt (fprefetch-loop-arrays-rtl): Add.
5642 * tree-ssa-loop-prefetch.c: New file.
5643 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5644 (new_temp_expr_table): Initialize expr_vars.
5645 (free_temp_expr_table): Cleanup expr_vars.
5646 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5647 expressions from being merged into one.
5648 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5649 (struct tree_niter_desc): Add control, bound and cmp fields.
5650 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5652 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5653 (tree-cfgcleanup.o): Add SCEV_H dependency.
5654 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5655 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5657 2006-02-14 Richard Guenther <rguenther@suse.de>
5659 PR tree-optimization/26258
5660 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5661 in PHI argument processing.
5663 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5665 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5666 new expression in the requested machine mode.
5668 2006-02-13 Roger Sayle <roger@eyesopen.com>
5670 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5671 directly, instead let do_compare_rtx_and_jump handle this for us.
5672 * expr.c (expand_expr_real_1): Likewise.
5673 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5674 before do_jump_by_parts_greater.
5675 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5676 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5678 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5680 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5682 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5684 PR rtl-optimization/26235
5685 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5686 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5689 2006-02-13 Jeff Law <law@redhat.com>
5691 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5694 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5697 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5698 twice if decl is a builtin. When trying again, call get_callee_fndecl
5699 first to verify it is still a builtin.
5701 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5703 * dwarf2out.c (base_type_die): Don't add AT_name here.
5704 (subrange_type_die): Don't add AT_name here.
5705 (modified_type_die): Rearrange code flow. Do add AT_name here.
5707 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5709 PR rtl-optimization/26247
5710 PR rtl-optimization/26248
5711 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5713 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5715 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5716 * config/fixtfdi.c: Likewise.
5717 * config/fixunstfdi.c: Likewise.
5718 * config/floatditf.c: Likewise.
5720 2006-02-13 Roger Sayle <roger@eyesopen.com>
5723 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5724 into (X,C2) if C1 is a subset of the bits of C2. Transform
5725 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5727 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5729 2006-02-13 Josh Conner <jconner@apple.com>
5732 * varasm.c (function_section): Check for section name before
5733 calling select_section on targets that define
5734 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5735 unlikely_text_section instead of hot_function_section if
5736 first_function_block_is_cold.
5738 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5741 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5743 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5745 PR rtl-optimization/26222
5746 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5747 after tree->rtl expansion.
5748 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5749 before passing it to emit_move_insn.
5751 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5753 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5755 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5756 Clarify documentation.
5757 * c-common.h (warn_write_strings): Remove.
5758 * c-common.c (warn_write_strings): Likewise.
5759 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5762 2006-02-12 Roger Sayle <roger@eyesopen.com>
5765 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5766 (do_jump_parts_zero_rtx): New function renamed from
5767 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5768 (do_jump_parts_equality_rtx): New function split out from
5769 do_jump_parts_equality. Old implementation renamed as above.
5770 Call do_jump_parts_zero_rtx if either operand is zero.
5771 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5772 do all of the heavy lifting.
5773 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5774 calling either do_jump_by_parts_greater_rtx or
5775 do_jump_by_parts_equality_rtx.
5776 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5777 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5778 moved to do_compare_rtx_and_jump, call it directly.
5779 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5780 mode argument. Call do_compare_rtx_and_jump.
5781 (emit_case_nodes): Update calls to do_jump_if_equal.
5783 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5785 PR rtl-optimization/26225
5786 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5788 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5790 PR rtl-optimization/26232
5791 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5793 2006-02-11 Jason Merrill <jason@redhat.com>
5796 * tree-inline.c (declare_return_variable): Just don't use the
5797 modify target if it's a gimple complex reg and the return slot
5800 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5802 * doc/contrib.texi: Update my entry.
5804 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5806 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5808 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5810 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5813 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5815 * doc/invoke.texi (-floop-optimize2): Removed.
5816 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5817 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5818 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5819 * common.opt (floop-optimize2): Removed.
5820 (fmove-loop-invariants): Enabled by default.
5822 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5824 * tree-if-conv.c (combine_blocks): Free the result of
5825 get_loop_exit_edges.
5827 2006-02-10 Jeff Law <law@redhat.com>
5829 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5831 PR tree-optimization/26213
5832 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5833 loop trying to follow SSA_NAME_VALUE chains.
5835 2006-02-10 Richard Guenther <rguenther@suse.de>
5837 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5838 deal with structures that end in implicitly variable sized arrays.
5840 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5842 PR rtl-optimization/24762
5843 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5846 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5848 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5849 (struct ivopts_data): Add regs_used field.
5850 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5851 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5852 instead of loop_data->regs_used;
5853 (free_loop_data): Do not free aux fields for loops.
5854 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5855 and tree_ssa_iv_optimize_finalize.
5857 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5859 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5861 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5864 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5865 computing the effective result type.
5867 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5870 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5871 (tree_overlaps_hard_reg_set): Declare.
5872 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5873 type and signature to match function type expected by walk_tree.
5874 (tree_overlaps_hard_reg_set): New function.
5875 (decl_conflicts_with_clobbers_p): Rename to:
5876 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5877 Use tree_overlaps_hard_reg_set. Changed caller.
5878 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5879 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5880 * cris.c (cris_md_asm_clobbers): Likewise.
5882 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5884 * reload1.c (emit_input_reload_insns): Delete code that tries to
5885 inherit using find_equiv_reg.
5887 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5889 * c-common.h (flag_const_strings): Don't declare.
5890 * c-common.c (flag_const_strings): Remove.
5891 * c.opt (fconst_strings): Remove.
5892 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5893 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5894 (c_common_init_options): Don't set flag_const_strings.
5895 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5897 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5899 * arm.md (tlobits_cbranch): New pattern.
5900 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5901 testing a single bit.
5903 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5906 * tree-ssa-pre.c (create_component_ref_by_pieces):
5907 Handle RETURN_DECL like VAR_DECL.
5909 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5912 * fold-const.c (fold_indirect_ref_1): Fold
5913 "*(foo *)&complexfoo" to "__real__ complexfoo"
5914 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5916 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5918 * tree-flow-inline.h (var_can_have_subvars):
5919 Volatile variables should not have subvariables.
5921 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5924 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5925 multiplying unsigned values.
5928 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5930 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5932 2006-02-08 Jason Merrill <jason@redhat.com>
5935 * tree.def: Elaborate on difference from MODIFY_EXPR.
5936 * doc/c-tree.texi (INIT_EXPR): Likewise.
5937 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5938 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5939 (gimplify_target_expr): Likewise.
5940 (gimplify_cond_expr): Remove target handling.
5941 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5942 (gimplify_expr): Clobber it here.
5943 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5944 Do return slot optimization if we have an INIT_EXPR.
5947 * tree-inline.c (declare_return_variable): Also clear
5948 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5951 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5954 * gimplify.c (gimplify_one_sizepos): Fix typo.
5956 2006-02-08 Jeff Law <law@redhat.com>
5958 PR tree-optimization/21417
5959 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5960 across a backedge if the control statement at the end of the
5961 block is data dependent on other statements in the same block.
5962 (record_temporary_equivalences_from_stmts): Remove over-conservative
5963 test for threading across backedges.
5965 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5966 control statement, handle all three special cases in the same
5967 manner as they all have the same desired solution. No longer
5968 special case edge flag updating when the post dominator is
5971 2006-02-08 Roger Sayle <roger@eyesopen.com>
5973 * tree.def (CHAR_TYPE): Remove.
5974 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5975 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5976 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5977 (gen_string_type_die): Delete unreachable function.
5979 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5980 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5981 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5982 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5983 * builtins.c (type_to_class): Likewise.
5984 * fold-const.c (fold_convert, build_range_check,
5985 merge_ranges): Likewise.
5986 * expr.c (count_type_elements): Likewise.
5987 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5988 * stor-layout.c (layout_type): Likewise.
5989 * ipa-type-escape.c (type_to_consider): Likewise.
5990 * gimplify.c (omp_firstprivatize_type_sizes,
5991 gimplify_type_sizes): Likewise.
5992 * explow.c (promote_mode): Likewise.
5993 * tree-sra.c (is_sra_scalar_type): Likewise.
5994 * varasm.c (output_constant): Likewise.
5995 * tree-inline.c (remap_type_1): Likewise.
5996 * convert.c (convert_to_pointer, convert_to_real,
5997 convert_to_integer, convert_to_complex): Likewise.
5999 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6001 * df-scan.c (df_def_record_1): A set destination may
6002 be a parallel regardless of mode.
6004 2006-02-08 Roger Sayle <roger@eyesopen.com>
6007 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6008 * config/mips/_tilib.c: Remove.
6009 * config/fixtfdi.c: New libgcc source file.
6010 * config/fixunstfdi.c: New source file.
6011 * config/floatditf.c: New source file.
6012 * config/floatunditf.c: New souce file.
6013 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6014 files above instead of config/mips/_tilib.c.
6015 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6017 2006-02-08 Jeff Law <law@redhat.com>
6019 PR tree-optimization/26169
6020 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6023 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6025 * df.h (DF_REG_SIZE): Return the length of the initialized
6028 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6030 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6031 __muldf3): Return a correctly signed zero.
6033 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6035 * passes.c (register_one_dump_file): Accept the current properties
6036 instead of pass number. Adjust call to dump_register. Remove
6038 (register_dump_files): Now a wrapper around...
6039 (register_dump_files_1): ... this one. Do not modify the pass
6041 (next_pass_1): Cosmetic fix.
6042 (execute_todo): Keep second parameter only. Use curr_properties
6043 instead of fetching it from the pass structure. Check and set
6045 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6046 instead of fetching it from the pass structure. Fix calls to
6047 execute_todo. Update curr_properties and initialize .vcg RTL dump
6048 after running the pass. Reset last_verified.
6049 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6051 (FIRST_AUTO_NUMBERED_DUMP): New.
6052 (dump_register): Remove "num" parameter, assign it within the
6054 (get_dump_file_name): Modify template for dumps.
6055 * tree-dump.h (dump_register): Adjust prototype.
6056 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6057 (PROP_trees): Add PROP_gimple_lomp.
6058 (TODO_set_props): New.
6059 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6060 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6061 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6063 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6065 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6066 (sparc64-*-linux*): Likewise.
6067 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6068 * config/sparc/t-linux: New file.
6069 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6070 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6071 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6072 -m32 -mlong-double-128.
6074 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6075 * config/alpha/t-linux: New file.
6076 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6078 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6079 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6080 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6081 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6082 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6083 (CPP_ARCH32_SPEC): Remove.
6085 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6087 PR tree-optimization/26145
6088 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6091 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6094 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6095 >= 240000 when generating code for SOM runtime.
6096 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6097 to $$dyncall when generating code for SOM runtime..
6099 2006-02-07 Dirk Mueller <dmueller@suse.com>
6102 * doc/invoke.texi (-Wsequence-point): Update documentation
6103 that -Wsequence-point is implemented for C++ as well.
6105 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6107 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6108 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6109 (LIB_SPEC): Likewise.
6110 * doc/invoke.texi (SPARC options): Document -pthread.
6112 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6114 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6117 2006-02-07 Roger Sayle <roger@eyesopen.com>
6119 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6120 Correct comment describing BOOLEAN_TYPE.
6122 2006-02-07 Dirk Mueller <dmueller@suse.com>
6124 * c.opt: C++ frontend supports -Wdiv-by-zero.
6125 * c-opts.c (c_common_handle_option): Remove dead case.
6127 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6129 * configure.ac (TLS assembler check): Do not enable TLS by
6130 default on SPARC/Solaris before version 10.
6131 * configure: Regenerate.
6133 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6135 * doc/invoke.texi (xl-compat): Document conversion and support
6138 2006-02-07 Jeff Law <law@redhat.com>
6140 * tree-vrp.c (find_conditional_asserts): Update comments.
6141 (simplify_stmt_for_jump_threading): New.
6142 (identify_jump_threads, finalize_jump_threads): New.
6143 (vrp_finalize): Call identify_jump_threads.
6144 (execute_vrp): Call finalize_jump_threads.
6145 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6146 (vrp_element, vrp_data, vrp_element_p): Remove.
6147 (vrp_hash_elt, vrp_variables_stack): Remove.
6148 (vrp_hash, vrp_eq, record_range): Remove.
6149 (simplify_cond_and_lookup_avail_expr): Remove.
6150 (extract_range_from_cond): Remove.
6151 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6152 (simplify_stmt_for_jump_threading): New.
6153 (dom_thread_across_edge): New wrapper.
6154 (tree_ssa_dominator_optimize): No longer initialize or
6155 finalize any of the VRP datastructures. Remove iteration
6156 step and simplify as a result of removal of iteration step.
6157 (pass_dominator): Perform a cfg cleanup after DOM.
6158 (dom_opt_finalize_block): Use the new common routines
6159 for threading jumps. Simplify stack management slightly.
6160 No longer need to unwind VRP state.
6161 (record_equivalences_from_incoming_edge): No longer record
6163 (eliminate_redundant_computations): No longer call
6164 simplify_cond_and_lookup_avail_expr.
6165 * tree-flow.h (potentially_threadable_block): Prototype.
6166 (thread_across_edge): Likewise.
6167 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6168 (tree-ssa-threadedge.o): Add dependencies.
6169 * tree-ssa-threadedge.c: New file.
6170 * passes.c (init_optimization_passes): Merge PHIs before
6171 calling VRP. Run VRP again late in the SSA optimization pipeline.
6173 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6175 * df-core.c (df_set_blocks): Do not dereference function pointers.
6176 (df_finish1): Likewise.
6177 (df_hybrid_search_forward): Likewise.
6178 (df_hybrid_search_backward): Likewise.
6179 (df_iterative_dataflow): Likewise.
6180 (df_analyze_problem): Likewise.
6181 (df_compact_blocks): Likewise.
6182 (df_dump): Likewise.
6183 * df-scan.c (df_rescan_blocks): Likewise.
6184 (df_record_entry_block_defs): Likewise.
6186 * genconditions.c (write_conditions): Guard the definition of
6187 'insn_conditions' with the check on GCC version.
6188 (write_writer): Guard the traversal 'insn_conditions' with
6189 the check on GCC version.
6191 2006-02-07 Richard Guenther <rguenther@suse.de>
6195 2006-01-30 Richard Guenther <rguenther@suse.de>
6197 * gimplify.c (gimplify_target_expr): Handle easy cases
6198 without creating a temporary.
6200 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6202 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6203 use of float in probability computations. Use edge probabilities
6204 in place of statically computed probabilities.
6205 (min_spec_prob): New static variable.
6206 (schedule_insns): Initialize it.
6207 (GET_SRC_PROB): Removed.
6208 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6210 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6213 * config/ia64/unwind-ia64.c: Revert last change.
6214 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6215 (INCOMING_FRAME_SP_OFFSET): Define.
6217 2006-02-06 Roger Sayle <roger@eyesopen.com>
6219 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6221 2006-02-07 Ben Elliston <bje@au.ibm.com>
6223 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6224 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6225 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6226 (ix86_return_in_memory): Handle TDmode.
6227 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6228 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6230 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6232 * reorg.c (dbr_schedule): Use dump_file instead of file.
6234 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6237 * config/ia64/predicates.md (extr_len_operand): New predicate.
6238 * config/ia64/ia64.md (extv): Tighten constraints.
6240 (*tbit_and_2): Ditto.
6241 (*tbit_and_3): Ditto.
6242 (*tbit_or_2): Ditto.
6243 (*tbit_or_3): Ditto.
6247 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6250 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6252 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6254 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6255 loop_optimizer_init and loop_optimizer_finalize
6256 * tree-ssa-sink.c (execute_sink_code): Ditto.
6257 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6258 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6259 tree_ssa_loop_done): Ditto.
6260 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6261 * sched-ebb.c: Include output.h.
6262 (schedule_ebbs): Do not use dump argument.
6263 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6264 * loop.c (loop_dump_stream): Removed.
6265 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6267 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6268 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6269 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6270 loop_iterations, strength_reduce, record_biv, record_giv,
6271 final_giv_value, check_final_value, check_ext_dependent_givs,
6272 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6273 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6274 dump_file instead of loop_dump_stream.
6275 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6277 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6279 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6280 * haifa-sched.c: Include output.h
6281 (schedule_insns, sched_init): Do not use dump argument.
6282 * mode-switching.c (optimize_mode_switching): Ditto.
6283 * modulo-sched.c (stats_file): Removed.
6284 (print_node_sched_params): Do not call argument dump_file.
6285 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6286 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6288 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6290 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6291 rtl_loop_init, rtl_loop_done): Ditto.
6292 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6293 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6295 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6296 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6297 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6298 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6299 * emit-rtl.c (renumber_insns): Ditto.
6300 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6301 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6302 * regclass.c (regclass): Ditto.
6303 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6304 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6305 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6306 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6308 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6309 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6311 * gcse.c (gcse_file, debug_stderr): Removed.
6312 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6313 rest_of_handle_gcse): Do not use dump argument.
6314 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6315 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6316 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6317 compute_code_hoist_vbeinout, compute_code_hoist_data,
6318 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6319 compute_store_table, build_store_vectors, insert_insn_start_bb,
6320 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6321 store_motion): Use dump_file instead of gcse_file.
6322 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6323 * profile.c (profile_dump_file): Removed.
6324 (branch_prob): Use dump_file instead of profile_dump_file.
6325 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6327 * tree-ssa-copy.c (dump_copy_of): Ditto.
6328 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6329 dump file to life_analysis.
6330 * bt-load.c (branch_target_load_optimize): Ditto.
6331 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6333 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6334 regclass, dbr_schedule): Declaration changed.
6335 * sched-int.h (sched_init): Declaration changed.
6336 * tree-profile.c (tree_profile_dump_file): Removed.
6337 (tree_profile_hooks): Removed profile_dump_file hook.
6338 * rtl-profile (rtl_profile_dump_file): Removed.
6339 (rtl_profile_hooks): emoved profile_dump_file hook.
6340 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6342 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6343 * tree-cfg.c (build_tree_cfg): Ditto.
6344 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6345 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6346 Declaration changed.
6347 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6348 life_analysis and schedule_insns.
6349 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6351 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6353 * config/mips/mips.c (mips_reorg): Ditto.
6354 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6357 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6359 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6360 (s390_mangle_fundamental_type): New.
6361 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6364 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6365 (alpha_mangle_fundamental_type): New.
6366 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6369 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6371 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6373 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6374 (sparc_mangle_fundamental_type): New.
6376 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6378 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6379 (s390x-*-linux*): Likewise.
6380 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6381 * config/s390/t-linux: New file.
6383 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6385 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6386 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6388 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6390 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6391 (ANTIC_SAFE_LOADS): New macro.
6392 (find_or_generate_expression): Add prototype.
6393 (set_contains_value): Allow null set for sake of not always having
6394 to allocate ANTIC_SAFE_LOADS.
6395 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6396 Allow COMPONENT_REF too.
6397 (valid_in_set): Allow COMPONENT_REF.
6398 Check ANTIC_SAFE_LOADS too.
6399 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6400 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6402 (can_PRE_operation): Add COMPONENT_REF.
6403 (create_component_ref_by_pieces): New function.
6404 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6405 (insert_aux): Move AGGREGATE_TYPE_P check here.
6406 (compute_avail): Set bb local stmt uids.
6407 (pass_pre): Use TODO_update_ssa_only_virtuals.
6409 2006-02-06 Ben Elliston <bje@au.ibm.com>
6411 * configure.ac: Unconditionally disable decimal float by default.
6412 * configure: Regenerate.
6414 2006-02-06 Ben Elliston <bje@au.ibm.com>
6416 * read-rtl.c (read_name): Terminate reading on EOF.
6418 2006-02-06 Ben Elliston <bje@au.ibm.com>
6420 * dfp.c (decimal_real_arithmetic): Change second argument type
6421 from int to enum tree_code. Do not always return true, but now
6422 return result of any call to decimal_do helper functions.
6423 * dfp.h (decimal_real_arithmetic): Update prototype.
6425 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6427 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6429 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6432 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6435 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6437 * tree-vrp.c (cfg_loops): Removed.
6438 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6439 Use current_loops instead of cfg_loops. Pass flags to
6440 loop_optimizer_init.
6441 * cfgloopmanip.c (fix_loop_structure): Update only available
6443 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6444 loop_optimizer_init.
6445 * modulo-sched.c (build_loops_structure): Removed.
6446 (sms_schedule): Use loop_optimizer_init.
6447 * loop-init.c (loop_optimizer_init): Use flags to determine
6448 which properties of loops to prepare.
6449 (rtl_loop_init): Pass flags to loop_optimizer_init.
6450 * tree-ssa-sink.c (execute_sink_code): Ditto.
6451 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6452 * tree-ssa-pre.c (init_pre): Ditto.
6453 * cfgloop.h (LOOPS_NORMAL): New.
6454 (loop_optimizer_init): Declaration changed.
6456 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6458 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6459 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6461 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6463 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6465 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6466 * pa/t-pa64: Delete quadlib.c rule.
6467 * pa/x-ada: Revert last change.
6468 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6470 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6472 PR rtl-optimization/26087
6473 * rtlanal.c (canonicalize_condition): Do not cross basic block
6476 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6479 * config/ia64/ia64.c: Include debug.h.
6480 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6481 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6482 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6483 (process_epilogue, process_set, process_for_unwind_directive):
6484 Output unwind info only if requested. Add CFA info if requested.
6485 Add new arguments as needed. Adjust callers.
6486 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6488 (DWARF2_FRAME_INFO): Define to zero.
6489 * config/ia64/unwind-ia64.c: Remove code that compensated for
6490 the CFA offset error fixed above.
6491 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6492 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6493 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6494 -funwind-tables and -fexceptions to enable frame info.
6495 (dwarf2out_frame_init): Define initial CFA even if
6496 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6497 DWARF2_UNWIND_INFO is nonzero, not just defined.
6498 (dwarf2out_frame_finish): Output non-EH call frame info only
6499 if DWARF2_FRAME_INFO is nonzero.
6500 (convert_cfa_to_loc_list,
6501 compute_frame_pointer_to_cfa_displacement): Define even if
6502 unwind info is not supported.
6503 (gen_subprogram_die): Use the above unconditionally. Remove
6504 legacy alternate code.
6505 * toplev.c (compile_file): Compile in call to
6506 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6507 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6509 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6510 Jakub Jelinek <jakub@redhat.com>
6512 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6513 IBM extended float format long double as "g" on powerpc*-linux.
6515 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6518 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6519 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6521 2006-02-03 Jason Merrill <jason@redhat.com>
6524 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6527 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6528 on the return slot if it's an NRV.
6530 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6532 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6533 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6534 rewrite_use): Do not handle USE_OUTER.
6535 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6536 add_iv_outer_candidates, may_replace_final_value,
6537 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6538 (find_interesting_uses_op): Functionality of
6539 find_interesting_uses_outer_or_nonlin moved here.
6540 (find_interesting_uses_outside): Use find_interesting_uses_op.
6542 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6545 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6547 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6548 Ulrich Weigand <uweigand@de.ibm.com>
6551 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6552 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6553 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6554 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6556 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6557 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6558 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6559 Define secondary reloads for TFmode moves.
6560 (constant_modes): Add TFmode.
6561 (NR_C_MODES): Set to 8.
6562 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6564 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6565 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6566 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6567 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6568 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6569 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6570 (FPR mode macro): Add TFmode.
6571 (DSF mode macro): New.
6572 (<de>, <dee> mode attributes): Removed.
6573 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6574 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6575 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6576 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6577 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6578 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6579 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6580 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6581 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6582 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6583 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6584 "*negabs<mode>2", "sqrt<mode>2"):
6585 Changed <de> to <xde>. R constraint replaced by <Rf>.
6586 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6588 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6589 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6590 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6592 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6593 "extenddftf2", "extendsftf2"): New expanders.
6594 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6595 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6596 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6597 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6599 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6600 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6601 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6602 __floatditf): Add a GCC_4.1.0 symbol version tag.
6603 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6606 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6609 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6610 Use targetm.binds_local_p instead of TREE_PUBLIC.
6612 2006-02-02 Roger Sayle <roger@eyesopen.com>
6614 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6615 on INTEGER_TYPEs to indicate that it denotes a character type.
6616 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6617 signed_char_type_node, unsigned_char_type_node and char_type_node.
6618 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6619 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6620 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6622 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6623 Daniel Berlin <dberlin@dberlin.org>
6625 * tree-tailcall.c (arg_needs_copy_p): New function.
6626 (eliminate_tail_call): Use arg_needs_copy_p.
6627 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6628 (add_virtual_phis): New function.
6630 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6632 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6633 #ignore instead of #scratch for %g7 .register directive.
6635 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6637 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6640 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6642 * flow.c (calculate_global_regs_live): Assert that there aren't any
6645 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6647 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6649 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6650 bsi_after_labels iterator.
6651 * tree-if-conv.c (find_phi_replacement_condition,
6652 replace_phi_with_cond_modify_expr): Likewise.
6653 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6654 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6656 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6658 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6660 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6663 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6664 array after growing it.
6666 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6669 * fold-const.c (fold_checksum_tree): Change type of buf.
6671 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6673 * reload.c (push_secondary_reload): Initialize t_icode.
6675 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6677 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6678 -msoft-float -mlong-double-128 only issue a warning, but don't
6679 swich to DFmode long double.
6681 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6683 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6684 has a constant equivalent, iterate over equivalents for arg0,
6685 calling simplify_relational_operation and if there's a result
6686 cheaper than X, apply fold_rtx and return the result.
6688 2006-02-01 Jan Hubicka <jh@suse.cz>
6690 * opts.c (no_unit_at_a_time_default): New global variable.
6691 (decode_options): Use it.
6692 * opts.h (no_unit_at_a_time_default): Declare.
6694 2006-02-01 Paul Brook <paul@codesourcery.com>
6696 * function.c (assign_parm_setup_reg): Use function argument promotion
6698 * expr.c (expand_expr_real_1): Use function argument promotion rules
6701 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6703 * gcc.c (process_command): Change j to 'unsigned int'.
6705 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6708 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6709 Use the corrected index for the character
6710 out of the string constant.
6712 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6714 * mode-switching.c (optimize_mode_switching): Fix size
6715 allocated for bb_info[n_entities].
6717 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6719 * gcc.c (main): Correct type that is allocated for
6720 explicit_link_files.
6722 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6724 * config/s390/s390.c (init_alignment_context): Set
6725 ALIAS_SET_MEMORY_BARRIER on the MEM.
6726 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6728 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6731 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6733 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6736 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6738 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6739 * regrename.c: Ditto.
6740 * tree-ssa-loop-im.c: Ditto.
6741 * tree-dump.c: Ditto.
6742 * tree-complex.c: Ditto.
6743 * genrecog.c: Ditto.
6744 * tree-ssa-threadupdate.c: Ditto.
6746 * java/class.c: Ditto.
6747 * java/jcf-parse.c: Ditto.
6748 * java/resource.c: Ditto.
6749 * java/except.c: Ditto.
6750 * java/jvspec.c: Ditto.
6751 * java/jcf-write.c: Ditto.
6752 * java/jcf-path.c: Ditto.
6753 * java/gjavah.c: Ditto.
6754 * java/zextract.c: Ditto.
6755 * java/jcf-io.c: Ditto.
6756 * java/jcf.h: Ditto.
6757 * java/buffer.c: Ditto.
6758 * java/lang.c: Ditto.
6759 * java/parse-scan.y: Ditto.
6760 * java/lex.c: Ditto.
6761 * java/lex.h: Ditto.
6762 * cfgloopmanip.c: Ditto.
6763 * postreload-gcse.c: Ditto.
6764 * tree-ssa-loop-manip.c: Ditto.
6765 * postreload.c: Ditto.
6766 * tree-ssa-loop-ch.c: Ditto.
6770 * diagnostic.c: Ditto.
6772 * genoutput.c: Ditto.
6774 * cfghooks.c: Ditto.
6775 * cfgloopanal.c: Ditto.
6776 * objc/objc-act.c: Ditto.
6778 * genextract.c: Ditto.
6779 * genautomata.c: Ditto.
6780 * pretty-print.c: Ditto.
6782 * cgraphunit.c: Ditto.
6785 * haifa-sched.c: Ditto.
6786 * dominance.c: Ditto.
6788 * tree-ssa-loop-ivopts.c: Ditto.
6790 * mode-switching.c: Ditto.
6791 * modulo-sched.c: Ditto.
6793 * ipa-pure-const.c: Ditto.
6795 * fix-header.c: Ditto.
6797 * tree-stdarg.c: Ditto.
6798 * ipa-utils.c: Ditto.
6799 * loop-init.c: Ditto.
6800 * ipa-inline.c: Ditto.
6803 * alloc-pool.c: Ditto.
6804 * dwarf2out.c: Ditto.
6806 * genattrtab.c: Ditto.
6807 * tree-ssa-loop-ivcanon.c: Ditto.
6811 * fortran/gfortranspec.c: Ditto.
6813 * local-alloc.c: Ditto.
6814 * langhooks.c: Ditto.
6815 * function.c: Ditto.
6816 * tree-vectorizer.c: Ditto.
6818 * ipa-type-escape.c: Ditto.
6820 * tree-if-conv.c: Ditto.
6823 * tree-data-ref.c: Ditto.
6824 * loop-unroll.c: Ditto.
6825 * treelang/treetree.c: Ditto.
6828 * ggc-common.c: Ditto.
6830 * coverage.c: Ditto.
6832 * tree-cfgcleanup.c: Ditto.
6833 * tree-ssa-pre.c: Ditto.
6834 * cfgcleanup.c: Ditto.
6835 * loop-invariant.c: Ditto.
6837 * ipa-prop.c: Ditto.
6838 * print-tree.c: Ditto.
6839 * conflict.c: Ditto.
6840 * ggc-page.c: Ditto.
6841 * sched-deps.c: Ditto.
6842 * regclass.c: Ditto.
6843 * tree-object-size.c: Ditto.
6845 * bb-reorder.c: Ditto.
6846 * resource.c: Ditto.
6847 * var-tracking.c: Ditto.
6849 * df-problems.c: Ditto.
6850 * reg-stack.c: Ditto.
6853 * sched-rgn.c: Ditto.
6854 * tree-ssa-structalias.c: Ditto.
6855 * tree-ssa-reassoc.c: Ditto.
6856 * config/darwin-c.c: Ditto.
6857 * config/darwin.c: Ditto.
6858 * config/arm/arm.c: Ditto.
6860 * collect2.c: Ditto.
6863 2006-01-31 Nicolas Pitre <nico@cam.org>
6865 * arm.md (smaxsi3): Make aware of smax_m1.
6868 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6870 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6872 2006-01-31 Richard Guenther <rguenther@suse.de>
6874 * doc/invoke.texi (-msselibm): Document.
6875 * target.h (expand_library_builtin): New target hook.
6876 * builtins.c (expand_builtin): Use expand_library_builtin.
6877 (default_expand_library_builtin): New function.
6878 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6879 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6880 (link_gcc_math_spec): Declare.
6881 (static_specs): Add link_gcc_math_spec.
6882 * expr.h (default_expand_library_builtin): Declare.
6883 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6884 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6885 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6886 * config/i386/i386.opt (msselibm): New target option.
6887 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6888 (ix86_init_sse_abi_builtins): New function.
6889 (ix86_expand_library_builtin): Likewise.
6890 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6891 (override_options): Handle error conditions wrt -msselibm.
6892 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6893 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6894 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6897 2006-01-31 Richard Guenther <rguenther@suse.de>
6898 Paolo Bonzini <bonzini@gnu.org>
6900 * doc/install.texi (--disable-libgcc-math): Document.
6902 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6904 * expr.h (expand_normal): new inline function.
6905 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6907 * dwarf2out.c: use it.
6912 * config/sparc/sparc.c: use it.
6913 * config/i386/i386.c: use it.
6914 * config/rs6000/rs6000.c: use it.
6915 * config/arm/arm.c: use it.
6916 * config/mips/mips.c: use it.
6917 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6919 2006-01-30 Roger Sayle <roger@eyesopen.com>
6921 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6922 argv to the appropriate type.
6924 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6926 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6929 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6932 * config/s390/s390.c (struct machine_function): New flag
6933 decomposed_literal_pool_addresses_ok_p.
6934 (s390_reorg): Set it before final stage of literal pool transforms.
6935 (s390_decompose_address): Only accept displacements of the form
6936 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6938 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6940 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6941 the comparison routine return.
6943 2006-01-30 Michael Matz <matz@suse.de>
6945 * global.c (find_reg): Only evict for global regs.
6946 Take n_refs into account and dump more info.
6948 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6951 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6952 (pragma_trap, pragma_nosave_low_regs): Likewise.
6953 (current_function_anonymous_args): Likewise.
6954 (sh_deferred_function_attributes): New variable.
6955 (sh_deferred_function_attributes_tail): Likewise.
6956 (print_operand): For '@', look up trap_exit attribute.
6957 (calc_live_regs): Look up trapa_handler attribute. For trapa
6958 handlers, save/restore fpscr, but don't do any other
6959 interrupt-specific saves.
6960 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6961 Fix check for partially saved registers to check for SHmedia.
6962 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6963 (sh_output_function_epilogue): Don't clear any of the removed
6965 (sh_insert_attributes): Don't check pragma_interrupt.
6966 Insert deferred attributes. Check that interrupt attribute is
6967 present for other attributes that require its presence.
6968 (sh_attribute_table): Add new attributes trapa_handler and
6970 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6971 Don't check for pragma_interrupt. Don't store argument.
6972 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6973 (sh_deferred_function_attributes): Declare.
6974 (sh_deferred_function_attributes_tail): Likewise.
6975 * sh.md (sp_switch_1): Add operand. Change generator caller.
6976 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6977 (*return_i): Don't use when trap_exit attribute is in effect.
6978 (*return_trapa): New insn pattern.
6980 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6981 setting c_target_objs and cxx_target_objs.
6982 * t-sh: Add rule for sh-c.o.
6984 2006-01-30 Richard Guenther <rguenther@suse.de>
6987 * gimplify.c (gimplify_target_expr): Handle easy cases
6988 without creating a temporary.
6990 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6992 * vec.h (safe_grow): Remove duplicated line.
6994 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6997 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6998 (expand_omp): ... here.
6999 (expand_omp_parallel): Only remove barriers for combined
7000 parallel+workshare constructs.
7002 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7006 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7007 * tree.c (build_qualified_type): Chain the new type to the original
7008 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7009 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7010 (build_pointer_type_for_mode): Only return unqualified types.
7011 (build_reference_type_for_mode): Likewise.
7013 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7015 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7016 * Makefile.in (CXX_COMPAT_WARN): Define.
7017 * configure: Regenerate.
7019 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7022 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7025 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7027 * toplev.c: Fix thinko.
7029 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7030 Marcin Dalecki <martin@dalecki.de>
7032 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7033 (push_srcloc): Use XNEW.
7034 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7036 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7038 * df-core.c (df_set_blocks): Deleted all variable.
7040 2006-01-28 Ian Lance Taylor <ian@airs.com>
7042 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7043 cgraph_output_pending_asms.
7045 2006-01-28 Zack Weinberg <zackw@panix.com>
7047 * c.opt: Add -W(no-)overlength-strings.
7048 * doc/invoke.texi: Document it.
7049 * c-opts.c (c_common_handle_option): -pedantic implies
7050 -Woverlength-strings, if not explicitly disabled already.
7051 (c_common_post_options): -Woverlength-strings defaults to off, and
7052 is always off for C++.
7053 * c-common.c (fix_string_type): Issue warning about strings longer
7054 than is portable only if warn_overlength_strings. Rearrange code
7055 a little for clarity.
7056 * configure.in: Check for -Wno-overlength-strings as well before
7057 enabling -pedantic in stage 1.
7058 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7059 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7061 * genconditions.c (write_header, write_one_condition)
7062 (write_conditions, write_writer): Consolidate very long strings
7063 that were broken up to fit in C89 portable limit. Don't use
7064 printf when fputs will do.
7066 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7068 * combine.c (simplify_comparison <AND>): Check
7069 TRULY_NOOP_TRUNCATION before start using a subreg.
7071 * config/mips/mips.md (*branch_zero<mode>,
7072 *branch_zero<mode>_inverted, *branch_equality<mode>,
7073 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7074 Remove mode check from comparisons.
7076 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7078 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7080 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7082 * expmed.c (const_mult_add_overflow_p): Remove.
7083 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7085 * recog.c (validate_replace_rtx_subexp): Remove.
7086 * recog.h: Remove the prototype for
7087 validate_replace_rtx_subexp.
7089 * integrate.h: Remove the prototype for
7090 copy_decl_for_inlining.
7091 * rtl.h: Remove the prototype for mark_constant_function.
7092 * tree-vectorizer.h: Remove the prototype for
7093 vect_strip_conversion.
7095 * modulo-sched.c (create_partial_schedule,
7096 free_partial_schedule, reset_partial_schedule): Make them
7099 * hooks.c (hook_bool_rtx_int_false): Remove.
7100 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7102 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7104 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7105 and -mlong-double-128 are incompatible.
7106 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7107 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7108 (TARGET_LIBGCC2_CFLAGS): Define.
7109 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7110 (TARGET_LIBGCC2_CFLAGS): Same.
7111 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7113 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7116 * c-typeck.c (build_binary_op): Perform implicit casts of
7117 operands before shortening them.
7119 * cfgloopmanip.c (split_loop_bb): Remove.
7120 * cfgloop.h: Remove the prototype for split_loop_bb.
7122 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7123 * cfgloop.h: Remove the prototype for
7124 flow_loop_outside_edge_p.
7126 * emit-rtl.c (init_virtual_regs): Make it static.
7127 * function.h: Remove the prototype for init_virtual_regs.
7129 * recog.c (peephole2_optimize): Make it static.
7130 * recog.h: Remove the prototype for peephole2_optimize.
7132 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7134 * df-scan.c (df_record_entry_block_defs): Check if
7135 INCOMING_RETURN_ADDR_RTX is defined.
7137 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7138 Kenneth Zadeck <zadeck@naturalbridge.com>
7140 PR rtl-optimization/24762
7141 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7142 * targhooks.c (hook_void_bitmap): New hook prototype.
7143 * targhoohs.h (hook_void_bitmap): Ditto.
7144 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7145 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7146 * target.h (live_on_entry): New function pointer.
7147 * df-scan.c (df_all_hard_regs): Removed.
7148 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7149 (df_scan_free_internal): Added df->entry_block_defs.
7150 (df_scan_alloc): Ditto.
7151 (df_scan_dump): Ditto.
7152 (df_uses_record): Plumbed flag field properly thru calls.
7153 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7154 This part fixes PR24762.
7155 (df_bb_refs_record): Added code to make the frame and arg
7156 pointers live in EH blocks.
7157 (df_refs_record): Added call to df_record_entry_block_defs.
7158 (df_record_entry_block_defs): New function.
7159 * df-core.c: Added comments to describe new artifical defs.
7160 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7161 (entry_block_defs): New field in struct df.
7162 (df_all_hard_regs): Deleted.
7163 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7164 * df-problems.c (df_ru_bb_local_compute_process_def):
7165 Added code to handle artifical defs in the entry to a function.
7166 (df_ru_bb_local_compute): Ditto.
7167 (df_rd_bb_local_compute_process_def): Ditto.
7168 (df_rd_bb_local_compute): Ditto.
7169 (df_lr_bb_local_compute): Ditto.
7170 (df_ur_bb_local_compute): Ditto.
7171 (df_urec_bb_local_compute): Ditto.
7172 (df_chain_create_bb): Ditto.
7173 (df_ur_local_finalize): Removed entry.
7174 (df_urec_init): Ditto.
7175 (df_urec_local_finalize): Ditto.
7176 (df_ri_bb_compute): Added detection of last use of pseudos.
7177 * Makefile.in (df-scan.o): Updated dependencies.
7178 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7179 * config/mips/mips.c (mips_set_live_on_entry): Added.
7180 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7182 * dce.c (marked_insn_p): Added code to handle artifical defs.
7184 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7186 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7188 (_mm_cvtsi128_si64): Likewise.
7189 (_mm_cvtsd_si64): Likewise.
7190 (_mm_cvttsd_si64): Likewise.
7191 (_mm_cvtsi64_sd): Likewise.
7192 (_mm_cvtsi64_si128): Likewise.
7193 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7194 (_mm_cvtsi64_m64): Likewise.
7195 (_m_to_int64): Likewise.
7196 (_mm_cvtm64_si64): Likewise.
7197 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7198 (_mm_cvttss_si64): Likewise.
7199 (_mm_cvtsi64_ss): Likewise.
7200 (_mm_cvtss_f32): Likewise.
7202 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7204 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7205 for pragma redefine_extname.
7207 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7210 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7211 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7212 -mno-minimal-toc to previous content.
7213 (bispecs): Remove goal.
7214 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7215 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7216 compatibility aliases on powerpc-*-*gnu*.
7217 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7218 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7219 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7220 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7221 (ldblspecs): New goal.
7222 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7223 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7225 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7226 L_sf_to_tf or L_df_to_tf is defined.
7228 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7229 Alan Modra <amodra@bigpond.net.au>
7232 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7233 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7234 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7235 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7236 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7237 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7238 (rs6000_override_options): Initialize rs6000_ieeequad.
7239 Initialize TFmode format to ibm_extended_format if not
7241 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7243 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7244 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7245 (function_arg_advance): IBM long double passed in two FPRs, not
7247 (function_arg): IBM long double passed in FPRs.
7248 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7249 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7250 Only multireg GPR aligned.
7251 (rs6000_init_libfuncs): Enable IBM long double functions if not
7253 (rs6000_generate_compare): Use IBM long double compare if not
7255 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7256 (TARGET_IEEEQUAD): Define.
7257 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7258 not TARGET_IEEEQUAD.
7259 * config/rs6000/rs6000.md: Enable TFmode patterns if
7261 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7262 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7263 and -mlong-double-128 are incompatible.
7264 * doc/invoke.texi (-mabi): Collect options together. Add
7265 ibmlongdouble and ieeelongdouble.
7267 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7269 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7271 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7272 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7273 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7274 * rtl.h (rtunion_def): Remove rt_ptr.
7276 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7277 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7278 * config/i386/winnt.c (i386_pe_mark_dllexport)
7279 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7281 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7283 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7285 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7289 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7290 pthread_key_delete. From John David Anglin. gthrw-ify
7291 pthread_getunique_np only if it it's not a macro. Delete
7293 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7294 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7295 __gthread_objc_condition_signal, __gthread_key_delete): Add
7296 "__attribute__ ((__unused__))" to unused arguments.
7297 (__gthread_recursive_mutex_init_function): Add missing return.
7298 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7299 gthr-posix95.h: Use macro-based approach for name redirection
7300 on targets missing weakref.
7302 2006-01-26 Zack Weinberg <zackw@panix.com>
7304 * genconditions.c (write_header): In generated code, #ifdef out
7305 all includes and fake declarations, except includes of bconfig.h
7306 and system.h, unless GCC_VERSION >= 3001. Do not include
7307 gensupport.h in any case.
7308 (write_conditions): Generate a definition of struct c_test. Add
7309 a comment to the generated #endif.
7310 (write_one_condition): Escape backslashes in string too.
7311 (write_writer): Generated code must escape backslashes and quote
7312 marks (but not newlines) in the strings it writes.
7313 * Makefile.in (build/gencondmd.o): Update dependencies.
7315 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7318 * Makefile.in (insn-automata.o): Add header file dependencies.
7319 * genautomata.c: Add includes.
7321 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7324 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7326 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7328 * configure.ac: Expect target tools paths to be passed from the toplevel
7329 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7331 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7333 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7336 * c.opt (Wpointer-sign): Init to -1.
7337 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7338 OPT_pedantic, to 0 otherwise.
7339 * doc/invoke.texi: Update.
7341 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7343 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7344 constants provided by 80387 instructions in the destination mode.
7346 2006-01-26 Richard Guenther <rguenther@suse.de>
7347 Andrew Pinski <pinskia@physics.uc.edu>
7350 partial PR tree-opt/17064
7351 * tree-ssa-structalias.c (intra_create_variable_infos):
7352 Create heap variables for incoming parameters if
7353 flag_argument_noalias > 1.
7354 (find_what_p_points_to): Look through default defs of
7357 2006-01-26 Jeff Law <law@redhat.com>
7360 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7361 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7362 within the VR_RANGE, use the VR_RANGE as the result, not the
7364 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7365 bounds for the type.
7367 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7369 * tree-ssa-alias.c (maybe_create_global_var): Change
7370 subvar walking to an assertion that we don't have subvar'd variables.
7372 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7375 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7376 Use a new variable, inner. PARM_DECLs are always non-weak.
7378 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7380 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7383 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7385 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7387 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7389 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7390 (smax_insn, smin_insn, smax_0, smin_0): New.
7392 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7395 * config/cris/cris.c (cris_order_for_addsi3): New function.
7396 * config/cris/cris-protos.h: Prototype it.
7397 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7398 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7399 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7400 (split for "op.S1 [rx=rx+i],ry (swapped)")
7401 (split for "op(s|u).S1 [rx=rx+i],ry")
7402 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7403 Apply cris_order_for_addsi3 when generating addsi3 insns.
7405 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7407 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7408 (TREE_BLOCK): Add call to EXPR_CHECK.
7410 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7413 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7414 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7415 (dump_omp_clauses): ... here.
7416 (dump_generic_node): Handle OMP_CLAUSE.
7417 * tree.c (omp_clause_num_ops): New.
7418 (omp_clause_code_name): New.
7419 (tree_code_size): Handle OMP_CLAUSE.
7420 (tree_size): Likewise.
7421 (make_node): Document handling of OMP_CLAUSE.
7422 (tree_node_structure): Handle OMP_CLAUSE.
7423 (omp_clause_check_failed): New.
7424 (omp_clause_range_check_failed): New.
7425 (omp_clause_operand_check_failed): New.
7426 (build_omp_clause): New.
7427 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7428 * tree.h (enum omp_clause_code): Declare.
7429 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7430 (OMP_CLAUSE_RANGE_CHECK): Define.
7431 (OMP_CLAUSE_ELT_CHECK): Define.
7432 (omp_clause_check_failed): Declare.
7433 (omp_clause_operand_check_failed): Declare.
7434 (omp_clause_range_check_failed): Declare.
7435 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7436 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7437 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7438 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7439 (OMP_CLAUSE_IF_EXPR): Likewise.
7440 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7441 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7442 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7443 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7444 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7445 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7446 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7447 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7448 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7449 (OMP_CLAUSE_CODE): Define.
7450 (OMP_CLAUSE_SET_CODE): Define.
7451 (OMP_CLAUSE_CODE): Define.
7452 (OMP_CLAUSE_OPERAND): Define.
7453 (struct tree_omp_clause): Declare.
7454 (union tree_node): Add field 'omp_clause'.
7455 * treestruct.def (TS_OMP_CLAUSE): Define.
7456 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7457 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7458 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7459 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7460 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7461 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7462 (OMP_CLAUSE): Define.
7463 * print-tree.c (print_node): Handle OMP_CLAUSE.
7464 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7465 * c-typeck.c: Likewise.
7466 * gimplify.c: Likewise.
7467 * c-omp.c: Likewise.
7468 * tree-nested.c: Likewise.
7469 * tree-inline.c: Likewise.
7470 * c-parser.c: Likewise.
7471 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7474 2006-01-25 Roger Sayle <roger@eyesopen.com>
7476 PR rtl-optimization/25703
7477 * combine.c (try_combine): Handle zero_extract and strict_low_part
7478 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7480 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7482 * global.c: Fix comment typos.
7484 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7487 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7488 Use output_addr_const instead of assemble_name.
7490 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7492 * Makefile.in (sched-vis.o): Update dependencies.
7493 * haifa-sched.c (sched_finish): Clear current_sched_info.
7494 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7495 (dump_flow_info): Call it.
7496 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7498 * basic-block.h (dump_bb_info): Declare.
7499 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7500 option, and apply options only for dump files whose TDF_RTL,
7501 TDF_TREE, or TDF_IPA bits match.
7502 * rtl.h: Declare new functions exported from sched-vis.c.
7503 * sched-vis.c: Enable also if scheduling is not used.
7504 (print_value): Print the mode of registers if not inside scheduling.
7505 (print_insn): Make it work outside the scheduler. Beautify the output
7507 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7509 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7511 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7512 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7513 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7514 depending on the value of CONSTANT_POOL_ADDRESS_P.
7515 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7517 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7518 rather than SYMBOL_REF_DECL.
7519 (rtx_constant_pool): Remove const_rtx_sym_htab.
7520 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7521 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7522 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7523 Remove handling of const_rtx_sym_htab.
7524 (find_pool_constant): Delete.
7525 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7526 rather than find_pool_constant.
7527 (get_pool_constant_for_function): Delete.
7528 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7530 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7531 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7532 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7533 (SYMBOL_REF_CONSTANT): New macro.
7534 (get_pool_constant_for_function): Delete.
7535 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7536 rather than SYMBOL_REF_DECL.
7537 (i386_pe_mark_dllimport): Likewise.
7538 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7539 rather than SYMBOL_REF_DECL.
7540 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7541 (machopic_indirect_call_target): Likewise.
7543 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7545 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7547 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7549 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7551 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7553 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7555 2006-01-24 David Daney <ddaney@avtrex.com>
7558 * configure.ac (enable_tls): New enable option.
7559 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7560 * configure: Regenerate.
7561 * doc/install.texi (--enable-tls): Document new option.
7562 (--disable-tls): Ditto.
7564 2006-01-24 Richard Henderson <rth@redehat.com>
7566 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7567 * alias.c (true_dependence): Respect it.
7568 (canon_true_dependence, write_dependence_p): Likewise.
7569 * builtins.c (get_builtin_sync_mem): Set it.
7571 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7573 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7576 2006-01-24 DJ Delorie <dj@redhat.com>
7578 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7579 for storing constants in single-bit bitfields.
7581 2006-01-25 Ben Elliston <bje@au.ibm.com>
7583 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7585 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7588 * tree-ssa-pre.c (phi_translate): Return NULL
7589 for AGGREGATE_TYPE's.
7591 2006-01-24 Zack Weinberg <zackw@panix.com>
7593 * genautomata.c (process_state_for_insn_equiv_partition):
7594 Use xcalloc for insn_arcs_array.
7595 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7596 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7598 2006-01-24 Richard Henderson <rth@redhat.com>
7600 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7603 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7605 PR rtl-optimization/25890
7606 PR rtl-optimization/25905
7607 * combine.c (expand_compound_operation, expand_field_assignment):
7608 Fail if the bitfield's final position is out of bounds.
7610 2006-01-24 Ian Lance Taylor <ian@airs.com>
7613 * cgraphunit.c (cgraph_output_in_order): Don't clear
7614 cgraph_asm_nodes until after asm strings have been output.
7616 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7618 * fix-header.c (read_scan_file): Add new parameter imultilib when
7619 calling register_include_chains.
7621 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7623 * omp-low.c: Update documentation.
7625 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7626 Daniel Berlin <dberlin@dberlin.org>
7630 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7631 return from the function.
7633 2006-01-22 Zack Weinberg <zackw@panix.com>
7635 * rtl.def (match_code): Add second argument.
7636 * genpreds.c (write_extract_subexp): New function.
7637 (write_match_code): Add path argument. Use write_extract_subexp.
7638 (write_predicate_expr): Pass path to write_match_code.
7639 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7640 not perform a mode test.
7641 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7642 a subexpression does not constrain the top-level code set.
7643 * read-rtl.c (read_rtx_variadic): New function.
7644 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7645 * doc/md.texi: Document new notation.
7646 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7647 (cmpsi_operand): ... here, using new notation.
7649 2006-01-22 Zack Weinberg <zackw@panix.com>
7651 * varray.c: Remove GENERATOR_FILE #ifdefs.
7653 2006-01-22 Zack Weinberg <zackw@panix.com>
7655 * genautomata.c (output_reserved_units_table): Emit nothing if
7656 description->query_units_num is zero. Remove extra blank line.
7657 (output_cpu_unit_reservation_p): Short circuit
7658 if description->query_units_num is zero.
7660 2006-01-22 Zack Weinberg <zackw@panix.com>
7662 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7663 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7664 nor any of the random handful of variables that used to be necessary
7665 when this program was linked with rtlanal.o. Prune set of forward
7666 function declarations.
7667 (struct attr_desc): Remove static_p field.
7668 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7669 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7670 (attr_string): Do not read the character one past the length of
7672 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7673 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7674 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7675 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7676 (make_automaton_attrs): New.
7677 (main): Do not call into genautomata. Call local gen_bypass
7678 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7679 Remove special case for insn_alts.
7680 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7681 varray.h (leftover from previous change). Prune set of forward
7682 function declarations. Remove state_alts fields from all
7683 structures. Remove state_alts_table from struct automaton.
7684 Make everything except main static. Do not maintain num_dfa_decls.
7685 Do not maintain state_alts fields of various structures.
7686 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7687 (add_arc): Remove state_alts argument. All callers updated.
7688 (output_reserved_units_table): Emit #ifdef here...
7689 (output_tables): ...not here. Don't generate state_alts tables.
7690 (expand_automata): Don't generate attributes.
7691 (write_automata): Don't generate state_alts functions.
7692 (main): New function.
7693 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7694 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7695 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7696 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7697 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7698 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7699 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7700 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7702 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7703 * genattrtab.h: Delete file.
7704 * Makefile.in (OBJS-common): Add insn-automata.o.
7705 (insn-automata.o): New rule.
7706 (simple_generated_c): Add insn-automata.c.
7707 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7708 (genprogmd): Add automata.
7709 (build/genattrtab): Needs no extra objects nor libraries.
7710 (build/genautomata): Needs build/vec.o and -lm.
7712 2006-01-22 Zack Weinberg <zackw@panix.com>
7714 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7715 (output_dfa_max_issue_rate, locked_states_num): Delete.
7716 (struct automaton): Add locked_states field.
7717 (output_dead_lock_vect): Save number of locked states in
7718 automaton->locked_states. If it is zero, don't print anything.
7719 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7720 (output_internal_dead_lock_func): Only test the dead_lock_vect
7721 for automata that have locked states.
7722 (output_statistics): Always print the number of locked states for
7723 each automaton. Calculate total number of locked states here.
7724 (write_automata): Don't call output_dfa_max_issue_rate.
7725 * genattrtab.c: Define length_unit_log as a const variable.
7726 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7727 max_insn_queue_index const.
7728 * final.c (length_unit_log): Declare const.
7729 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7731 2006-01-22 Zack Weinberg <zackw@panix.com>
7733 * genautomata.c: Include vec.h, not varray.h.
7734 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7735 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7736 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7737 VEC_* macros operating on appropriately typed vectors, or to
7738 malloced arrays when the size is known in advance. Const-ify
7739 many char* variables and function arguments. No functional changes.
7740 * Makefile.in (build/varray.o): Delete rule.
7741 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7742 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7744 2006-01-22 Zack Weinberg <zackw@panix.com>
7746 * gensupport.c: Define get_insn_name and record_insn_name here.
7747 (read_md_rtx): Call record_insn_name as appropriate.
7748 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7749 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7750 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7752 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7753 (BUILD_VARRAY): Delete.
7754 (genprognormal): Rename genprogmd. Fold in all programs from
7755 genprognoprint; also attrtab.
7756 (build/genattrtab): Just mention genautomata.o and varray.o.
7757 Reorganize a bit, add comments to make the categories clearer.
7759 2006-01-22 Zack Weinberg <zackw@panix.com>
7761 * genconditions.c (condition_table, add_condition): Delete.
7762 (write_conditions): Don't emit n_insn_conditions nor
7763 insn_elision_unavailable. Issue the gcc version #ifdef here,
7764 inside the table, with no #else clause ...
7765 (write_header): ...not here.
7766 (write_writer): New function.
7767 (main): Don't initialize condition_table. Use add_c_test.
7769 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7770 files on the command line.
7771 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7772 Return -1 if there is no entry in the table, don't abort.
7773 (add_c_test, traverse_c_tests): New functions.
7774 * gensupport.h (insn_elision_unavailable, insn_conditions)
7775 (n_insn_conditions): Delete declarations.
7776 (add_c_test, traverse_c_tests): Declare.
7777 * read-rtl.c: Include gensupport.h.
7778 (read_conditions): New function.
7779 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7780 (read_rtx_1): If we get EOF when we were looking for an initial
7781 open paren, return 0. Call read_conditions when appropriate.
7782 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7783 dummy-conditions.o. Eliminate references to insn-conditions.o,
7784 or change them to build/gencondmd.o, as appropriate. Remove
7785 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7786 from $(simple_generated_c). For all files remaining in those
7787 two lists, add insn-conditions.md to the generator command line.
7788 Give insn-constants.h/s-constants their own rules. Add rules
7789 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7790 (build/read-rtl.o): Depend on gensupport.h.
7791 (genprognormal): Include preds.
7792 (genprogearly): Rename genprognoprint; only difference is now that
7793 they don't link with $(BUILD_PRINT).
7794 * dummy-conditions.c: Delete.
7796 2006-01-22 Zack Weinberg <zackw@panix.com>
7798 * genextract.c: Don't include insn-config.h. Do include vec.h.
7799 Declare vectors of int, char, and locstr.
7800 (locstr): New typedef.
7801 (struct extraction): Make all array fields into bare pointers.
7802 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7803 (insn_code_number): Delete.
7804 (accum_extract): New struct.
7805 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7806 (gen_insn): Take insn_code_number as an argument. Use an
7807 accum_extract structure instead of loading data directly into
7808 a struct extraction, and having to know how big it might get.
7809 (walk_rtx): Operate entirely on an accum_extract structure.
7810 (print_path): Avoid unnecessary use of printf.
7811 (print_header): New function, split out of main. Distinguish
7812 more carefully between an unrecognizable insn and an insn that
7813 has the code number of a define_expand.
7814 (main): Pass insn_code_number to gen_insn. Call print_header
7815 only after parsing. Avoid unnecessary use of printf.
7816 * Makefile.in (build/vec.o): New rule.
7817 (build/genextract): Depend on build/vec.o.
7818 (build/genextract.o): Don't depend on insn-config.h.
7820 2006-01-22 Zack Weinberg <zackw@panix.com>
7822 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7823 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7824 practical. Eliminate per-generator-program link rules.
7826 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7829 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7830 with a call expr to ...
7831 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7833 2006-01-23 Richard Guenther <rguenther@suse.de>
7835 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7836 before make_edge with conditional EDGE_TRUE_VALUE.
7838 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7839 Jan Hubicka <jh@suse.cz>
7840 Richard Guenther <rguenther@suse.de>
7842 PR rtl-optimization/25654
7843 * cfgexpand.c (aggregate_contains_union_type): New function.
7844 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7845 for structure variables that contain a union type.
7847 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7849 * gengtype.c (new_structure): Return the structure.
7850 (create_option): Add an extra "next" argument.
7851 (create_field): New function.
7852 (adjust_field_rtx_def): Use create_option and create_field.
7853 Remove a now-unnecessary call to find_structure.
7854 (adjust_field_tree_def): Likewise.
7855 (note_yacc_type): Remove an unnecessary call to find_structure.
7856 * gengtype.h (new_structure): Return the structure.
7857 (create_option): Add an extra argument.
7858 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7859 (option): Adjust calls to create_option.
7861 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7863 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7865 2006-01-22 Paul Brook <paul@codesourcery.com>
7866 Peter Barada <peter@the-baradas.com>
7868 * config/m68k/m68k.md: Add Coldfire FPU support.
7869 Define FP mode macro and associated attributes.
7870 Use it for float mode patterns.
7871 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7872 (LIBCALL_VALUE): Use m68k_libcall_value.
7873 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7874 (m68k_function_value): Ditto.
7875 (emit_move_sequence): Ditto.
7876 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7877 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7878 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7879 (MULTILIB_EXCEPTIONS): Ditto.
7880 * config/m68k/m68k.opt: Add mcfv4e.
7881 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7882 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7883 (m68k_output_function_prologue): Save ColdFire FPU registers.
7884 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7885 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7886 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7887 ColdFire FPU registers.
7888 (m68k_libcall_value, m68k_function_value): New functions.
7889 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7890 (LIBCALL_VALUE): Use m68k_libcall_value.
7891 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7892 (MASK_COLDFIRE): Add MASK_CFV4E.
7893 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7894 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7895 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7896 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7897 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7898 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7899 * doc/invoke.tex: Document -mcfv4e on m68k.
7901 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7903 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7906 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7909 * c-opts.c (c_common_handle_option): Don't include
7910 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7911 * doc/invoke.texi (C++ Dialect Options): Document that
7912 -Wnon-virtual-dtor is no longer included in -Wall.
7914 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7916 * gcov.c (print_version), gcov-dump.c (print_version),
7917 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7920 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7922 * df-scan.c (problem_SCAN): Added NULL reset function.
7923 (df_scan_reset_blocks): Added code to call reset block function
7924 (df_bb_refs_delete) Fixed comment.
7925 (df_insn_refs_delete): Made tolerant of deleting non existent info
7926 for dataflow problems that need to be reset.
7927 * df-core.c (df_set_blocks): Ditto.
7928 * df.h (struct df_problem): Added reset_fun.
7929 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7930 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7931 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7932 functions to clear out all references to def-use or use-def chains.
7934 2006-01-21 Ben Elliston <bje@au.ibm.com>
7936 * varasm.c (assemble_real): Initialise data array.
7938 2006-01-20 Paul Brook <paul@codesourcery.com>
7940 Merge from csl-arm-branch.
7941 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7942 * config/arm/arm.md (movdi): Force operands[1] to a register
7943 if we have a non-register source.
7944 (*arm_movdi, *movdf_soft_insn): Require that one of the
7945 operands be a register.
7946 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7947 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7949 2006-01-20 DJ Delorie <dj@redhat.com>
7951 * varasm.c (initialize_constant_valid_p): Allow pointers
7952 initialized from integer constants of lesser precision.
7953 (output_constant): Allow non-int-sized pointer modes to be
7954 initialized from integer constants.
7956 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7959 * cppdefault.h (struct default_include): Add multilib flag.
7960 * cppdefault.c (cpp_include_defaults): Set it.
7961 * c.opt (-imultilib): New option.
7962 * c-opts.c (imultilib): New.
7963 (c_common_handle_option): Handle -imultilib.
7964 (c_common_post_options): Likewise.
7965 * c-incpath.c (add_standard_paths, register_include_chains):
7967 * c-incpath.h (register_include_chains): Add extra parameter.
7968 * gcc.c (do_spec_1): Generate -imultilib option.
7969 (The Specs Language): Update %I description.
7970 (process_command): Update copyright notice.
7971 * doc/cppopts.texi (-imultilib): Document.
7972 * doc/invoke.texi (-imultilib): Include in option summary.
7973 (%I): Update specs documentation.
7975 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7977 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7979 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7981 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7984 2006-01-20 Richard Guenther <rguenther@suse.de>
7985 Steven Bosscher <stevenb.gcc@gmail.com>
7987 PR rtl-optimization/24626
7988 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7989 EDGE_TRUE_VALUE if in RTL mode.
7992 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7993 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7995 2006-01-20 Dirk Mueller <dmueller@suse.com>
7998 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7999 instead of a special NOP marker.
8000 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8001 NOP marker handling.
8002 * c-common.h (empty_body_warning): Add forward declaration.
8003 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8004 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8006 2006-01-20 Paul Brook <paul@codesourcery.com>
8008 * Makefile.in (lang_checks): Keep going if mkdir fails.
8010 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8012 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8013 be able to clean out basic block when not necessary.
8014 (df_scan_free): Fixed to properly delete information if df is
8015 unused before calling df_finish.
8016 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8017 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8019 (df_bb_refs_delete): New function.
8020 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8021 * df-core.c (df_set_blocks): Added code to properly clean out
8022 unused blocks if they are not part of the blocks to consider.
8023 Added additional null check.
8024 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8025 be able to clean out basic block when not necessary
8026 * df.h (df_free_bb_function): Ditto.
8027 (df_bb_refs_delete): New function.
8028 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8029 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8030 basic block parameter to be able to clean out basic block when not
8032 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8033 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8034 Fixed to properly delete information if df is unused before
8037 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8039 PR rtl-optimization/25799
8040 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8041 Corrected confluence operator to remove bits from op2 before oring
8042 with op1 rather than removing bits from op1.
8043 (df_ru_transfer_function): Corrected test on wrong bitmap which
8044 caused infinite loop. Both of these problems were introduced in
8045 the dataflow rewrite.
8047 2006-01-19 DJ Delorie <dj@redhat.com>
8049 * reload1.c (find_reload_regs): Note the details of reload
8050 failures in the dump file.
8051 (spill_failure): Likewise.
8053 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8055 * loop-iv.c: Include df.h and hashtab.h.
8056 (enum iv_grd_result): New enum.
8057 (DF_REF_IV, DF_REF_IV_SET): New macros.
8058 (struct biv_entry): New.
8059 (df, bivs): New global variables.
8060 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8061 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8063 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8064 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8065 analyzed_for_bivness_p, record_biv): New functions.
8066 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8067 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8068 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8070 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8072 (iv_number_of_iterations): Use new interface to iv analysis.
8073 * loop-unroll.c: Do not include varray.h.
8074 (analyze_iv_to_split_insn): Use new interface to iv
8076 * loop-unswitch.c (may_unswitch_on): Ditto.
8077 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8079 (df_bb_modify): Realloc tables to the new index.
8080 (df_find_use): New function.
8081 * df.h (df_find_use): Declare.
8082 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8084 * cfgloop.h (struct rtx_iv): Remove analysed field.
8085 (iv_get_reaching_def): Removed.
8086 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8087 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8088 (loop-iv.o): Add df.h and hashtab.h dependency.
8089 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8091 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8094 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8096 (__floatundisf, __floatundidf): Likewise.
8097 * libgcc2.h (IS_IBM_EXTENDED): Define.
8099 2006-01-19 DJ Delorie <dj@redhat.com>
8101 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8103 2006-01-19 Paul Brook <paul@codesourcery.com>
8105 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8106 as nothrow when unwinding tables are disabled.
8108 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8111 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8112 of bit-field" when in system header.
8114 2006-01-19 DJ Delorie <dj@redhat.com>
8116 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8117 the 16 bit shift limit of the m16c.
8119 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8122 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8123 * config/i386/i386.c (output_set_got): Output the label if we have one
8124 for the TARGET_DEEP_BRANCH_PREDICTION case.
8126 2006-01-19 Jan Hubicka <jh@suse.cz>
8127 H.J. Lu <hongjiu.lu@intel.com>
8128 Evandro Menezes <evandro.menezes@amd.com>
8130 * invoke.texi (generic): Document
8132 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8133 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8134 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8135 (x86_use_incdec, x86_pad_returns): New variables
8136 (TARGET_CPU_DEFAULT_generic): New constant
8137 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8138 (enum processor_type): Add generic32 and generic64.
8139 * i386.md (cpu attribute): Add generic32/generic64
8140 (movhi splitter): Behave sanely when both partial_reg_dependency and
8141 partial_reg_stall are set.
8142 (K8 splitters): Enable for generic as well.
8143 * predicates.md (incdec_operand): Use TARGET_INCDEC
8144 (aligned_operand): Avoid memory mismatch stalls.
8145 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8146 * ppro.md: Enable for generic32
8147 * i386.c (generic64_cost, generic32_cost): New.
8148 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8149 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8150 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8151 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8152 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8153 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8154 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8155 x86_accumulate_outgoing_args, x86_prologue_using_move,
8156 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8157 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8159 (x86_use_incdec, x86_pad_returns): New.
8160 (override_options): Add generic32 and generic64, translate "generic"
8161 to generic32/generic64 and "i686" to "generic32", refuse
8162 "generic32"/"generic64" as arch target.
8163 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8164 (ix86_reorg): Honor PAD_RETURNS.
8166 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8168 * tree-pretty-print.c (dump_generic_node): Handle
8169 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8170 * cgraph.c (cgraph_expand_queue): Rename from
8171 cgraph_analyze_queue. Update all users.
8172 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8173 cgraph_expand_queue.
8174 (cgraph_expand_all_functions): Likewise.
8175 (cgraph_finalize_pending_functions): Remove. Update callers.
8177 * tree.h (OMP_DIRECTIVE_P): Define.
8178 (OMP_PARALLEL_FN): Define.
8179 (OMP_PARALLEL_DATA_ARG): Define.
8180 (OMP_SECTIONS_SECTIONS): Define.
8181 * tree-pass.h (pass_expand_omp): Declare.
8182 * omp-low.c (struct omp_region): Declare.
8183 (struct omp_context): Remove fields 'parallel_type',
8184 'parallel_start_ix' and 'parallel_start_additional_args'.
8186 (struct omp_for_data): Rename from struct expand_omp_for_data.
8187 (omp_regions): New static variable.
8188 (root_omp_region): New static variable.
8189 (find_omp_clause): Make static.
8190 (is_in_combined_parallel_ctx): Remove.
8191 (is_combined_parallel): New.
8192 (extract_omp_for_data): Move earlier in the file.
8193 (workshare_safe_to_combine_p): New.
8194 (get_ws_args_for): New.
8195 (determine_parallel_type): Move earlier in the file.
8196 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8198 (omp_copy_decl): Likewise.
8199 (create_omp_child_function): Likewise.
8200 (lookup_omp_region): New.
8201 (dump_omp_region): New.
8202 (debug_omp_region): New.
8203 (debug_all_omp_regions): New.
8204 (new_omp_region): New.
8205 (scan_omp_parallel): If parallel_nesting_level > 1, the
8206 directive is nested within another parallel directive.
8207 Set OMP_PARALLEL_FN.
8208 (scan_omp_for): Do not try to handle combined parallel+for
8210 Remove FIXME comment.
8211 (scan_omp_nested): Remove.
8212 (scan_omp_1): Do not call scan_omp_nested when
8213 parallel_nesting_level is > 1.
8214 Do not change the DECL_CONTEXT of local variables found.
8215 (lookup_decl_in_outer_ctx): New.
8216 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8217 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8218 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8219 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8220 If CTX is nested, lookup VAR in the outer context when
8221 building copy assignment.
8222 (lower_send_clauses): Rename from expand_send_clauses.
8223 If CTX is nested, lookup VAR in the outer context when
8224 building copy assignments.
8225 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8226 If CTX is nested, lookup VAR in the outer context when
8227 building copy assignments.
8228 (expand_parallel_call): Rename from build_parallel_call.
8229 Handle combined parallel+workshare cases.
8230 Re-implement to emit code into the CFG.
8232 (expand_omp_parallel): Re-implement to emit code into the CFG.
8233 Call move_sese_region_to_fn to outline the sub-graph
8234 containing the parallel region.
8235 (expand_omp_for_1): Remove.
8236 (expand_omp_for_generic): Re-implement to emit code into the
8238 (expand_omp_for_static_nochunk): Likewise.
8239 (expand_omp_for_static_chunk): Likewise.
8240 (expand_omp_for): Likewise.
8241 (expand_omp_sections): Likewise.
8242 (remove_exit_barriers): New.
8243 (expand_omp_synch): New.
8245 (build_omp_regions_1): New.
8246 (build_omp_regions): New.
8247 (execute_expand_omp): New.
8248 (gate_expand_omp): New.
8249 (pass_expand_omp): Define.
8250 (lower_omp_sections): Rename from expand_omp_sections.
8251 Set OMP_SECTIONS_SECTIONS.
8252 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8253 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8254 (lower_omp_single): Rename from expand_omp_simple.
8255 (lower_omp_master): Rename from expand_omp_master.
8256 (lower_omp_ordered): Rename from expand_omp_ordered.
8257 (lower_omp_critical): Rename from expand_omp_critical.
8258 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8259 (lower_omp_for): Re-implement.
8260 (lower_omp_parallel): Re-implement.
8261 (lower_regimplify): Rename from expand_regimplify.
8262 (lower_omp_1): Rename from expand_omp_1.
8263 If there are syntax errors in the program, replace every
8264 OpenMP directive with NOP.
8265 Call lower_omp_* instead of expand_omp_*.
8266 (lower_omp): Rename from expand_omp.
8268 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8269 * tree-gimple.h (enum omp_parallel_type): Remove.
8270 (gimple_boolify): Declare extern.
8271 (find_omp_clause, determine_parallel_type): Remove.
8273 * gimple-low.c (lower_omp_directive): New.
8274 (lower_stmt): Call it.
8275 (record_vars_into): Move from ...
8276 (record_vars): ... here.
8277 Call record_vars_into with current_function_decl.
8279 * gimplify.c (struct gimplify_ctx): Remove fields
8280 combined_pre_p and combined_ctxp. Update users.
8281 (get_formal_tmp_var): Add documentation.
8282 (gimple_boolify): Make extern.
8283 (gimplify_expr_in_ctx): Remove. Update callers.
8284 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8285 will always be a BIND_EXPR.
8286 (gimplify_expr): Handle OMP_RETURN_EXPR.
8287 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8288 (OMP_PARALLEL): Add 3 operands.
8289 (OMP_SECTIONS): Add 1 operand.
8290 (OMP_RETURN_EXPR): Define.
8292 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8293 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8294 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8295 creating a circular free list.
8296 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8298 * tree-flow.h (move_sese_region_to_fn): Declare.
8299 (record_vars_into): Declare.
8300 * tree-cfg.c (make_omp_sections_edges): New.
8301 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8302 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8303 OMP_SECTIONS and OMP_SECTION.
8304 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8305 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8306 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8307 (gather_blocks_in_sese_region): New.
8308 (struct move_stmt_d): Declare.
8310 (move_block_to_fn): New.
8311 (move_sese_region_to_fn): New.
8313 * passes.c (init_optimization_passes): Schedule
8314 pass_expand_omp after pass_init_datastructures.
8316 * tree-ssa-operands.c (get_expr_operands): Handle
8317 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8318 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8320 2006-01-19 Jeff Law <law@redhat.com>
8322 * tree-vrp.c (extract_range_from_assert): Refine the result range
8323 if the variable referenced by the ASSERT_EXPR has a range and
8324 either the tentative result range or the previous range is a
8327 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8329 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8331 2006-01-19 Jan Hubicka <jh@suse.cz>
8333 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8335 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8337 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8338 (expand_compound_operation, expand_field_assignment): Fail if the
8339 bit lengths of an extract operation are out of range.
8340 (make_extraction): Compute wanted_inner_mode based on the position
8341 and length of the extraction. Make it extraction_mode for non-constant
8342 positions, and do not modify offset in that case. When generating a
8343 new MEM, use a mode that can hold the extraction while keeping correct
8344 alignment. Remove code that supported MEMs wrapped by USEs.
8345 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8347 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8349 * config/s390/s390.md ("Y", "y"): New mode attribute.
8350 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8351 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8352 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8353 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8354 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8355 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8356 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8357 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8358 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8359 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8360 "addsi3", "subsi3"): Insn patterns removed.
8361 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8362 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8363 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8364 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8365 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8366 "*sub<mode>3_cconly2"): New insn patterns.
8367 ("addsi3", "subsi3"): New expanders.
8369 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8371 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8372 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8373 existing STMT_VINFO_VECTYPE if available.
8374 (vect_mark_relevant): Add special handling for stmts that are
8375 marked as STMT_VINFO_IN_PATTERN_P.
8376 (vect_analyze_loop): Call vect_pattern_recog.
8377 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8378 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8380 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8381 (vect_recog_func_ptr): New function-pointer type.
8382 * tree-vect-patterns.c: New file.
8383 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8384 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8385 (vect_pattern_recog_1): New functions.
8386 (vect_pattern_recog_funcs): New array of function pointers.
8388 * tree-vectorizer.h (ternary_op): New enum value.
8389 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8390 declaration. Revised documentation. Removed redundant dump prints.
8391 Removed redundant argument. Added support for reduction patterns.
8392 (vectorizable_reduction): Added support for reduction patterns.
8393 (vect_transform_stmt): Added support for patterns.
8395 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8396 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8397 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8398 (expand_widen_pattern_expr): New function.
8399 (init_optabs): Initialize new optabs udot_prod_optab,
8401 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8402 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8403 (expand_widen_pattern_expr): New function declaration.
8404 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8406 * tree-inline.c (estimate_num_insns_1): Added cases for new
8407 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8408 * tree-pretty-print.c (dump_generic_node): Likewise.
8409 (op_prio): Likewise.
8410 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8411 * tree-ssa-operands.c (get_expr_operands): Added case for
8413 * tree-vect-patterns.c (widened_name_p): New function.
8414 (vect_recog_dot_prod_pattern): Added function implementation.
8415 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8416 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8417 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8418 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8420 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8421 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8422 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8423 (init_optabs): Initialize new optabs widen_ssum_optab,
8425 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8426 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8427 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8428 use instead of type of def.
8429 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8430 function implementation.
8431 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8432 widen_ssumv8hi): New.
8434 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8437 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8440 * c-decl.c (add_flexible_array_elts_to_size): New function.
8441 (finish_decl): Use it.
8443 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8445 * diagnostic.h: Include options.h.
8446 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8447 dependancies for diagnostic.h.
8448 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8450 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8452 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8453 (ssa_ro_call_cache_valid): Ditto.
8454 * tree-ssa-alias.c (sort_tags_by_id): New function.
8455 (init_transitive_clobber_worklist): Ditto.
8456 (add_to_worklist): Ditto.
8457 (mark_aliases_call_clobbered): Ditto.
8458 (compute_tag_properties): Ditto.
8459 (set_initial_properties): Ditto.
8460 (compute_call_clobbered): Ditto.
8461 (compute_may_aliases): Call compute_call_clobbered and grouping.
8462 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8463 (compute_flow_insensitive_aliasing): Grouping now happens in our
8465 (setup_pointers_and_addressables): Remove clobbering related code.
8466 (add_may_alias): Ditto.
8467 (replace_may_alias): Ditto.
8468 (get_nmt_for): Ditto.
8469 (create_global_var):
8470 (is_escape_site): Return an escape_type enumeration.
8471 * tree-flow-inline.h (is_call_clobbered): Global var does not
8472 imply call clobbered.
8473 (mark_call_clobbered): Take a reason for marking this. Remove
8474 marking of globalness, and cache invalidation.
8475 (clear_call_clobbered): Remove cache invalidation code.
8476 * tree-dfa.c (dump_variable): If details is on, dump the reason
8478 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8480 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8481 (struct var_ann_d): Ditto.
8482 (enum escape_type): New.
8483 (mark_call_clobbered): Adjust prototype.
8484 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8485 are never call clobbered.
8486 Record reasons for escaping.
8487 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8488 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8489 (ssa_ro_call_cache_valid): Ditto.
8490 (clobbered_v_may_defs): Ditto.
8491 (clobbered_vuses): Ditto.
8492 (ro_call_vuses): Ditto.
8493 (clobber_stats): New.
8494 (init_ssa_operands): Zero out clobber stats.
8495 (fini_ssa_operands): Print out clobber stats.
8496 (get_call_expr_operands): Pass callee fndecl to
8498 (add_call_clobber_ops): Remove use of cache.
8499 Add use of PURE_CONST information.
8500 (add_call_read_ops): Remove use of cache.
8501 Add use of static not_read information.
8503 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8505 Introduce TLS descriptors for i386 and x86_64.
8506 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8507 (TARGET_ANY_GNU_TLS): New macro.
8508 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8509 (struct machine_function): Add tls_descriptor_call_expanded_p.
8510 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8511 (ix86_current_function_calls_tls_descriptor): Likewise.
8512 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8513 (override_options): Introduce gnu2 tls dialect.
8514 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8516 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8518 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8519 (ix86_init_machine_status): Initialize new field.
8520 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8521 (ix86_tls_module_base): New.
8522 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8523 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8524 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8525 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8526 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8527 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8528 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8529 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8530 * config/i386/predicates.md (tls_modbase_operand): New.
8531 (tp_or_register_operand): New.
8533 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8535 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8536 (look_for_address_of): Ditto.
8537 (ipa_init): Walk the function decls.
8538 (static_execute): Don't set readonly on FUNCTION_DECL's.
8540 2006-01-18 Roger Sayle <roger@eyesopen.com>
8542 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8543 for shifts where the source and destination registers are different.
8545 2006-01-18 Paul Brook <paul@codesourcery.com>
8547 Merge from csl-arm-branch.
8548 2005-03-14 Julian Brown <julian@codesourcery.com>
8549 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8550 (aeabi_llsl): Likewise.
8551 (ashrdi3): Likewise.
8552 (aeabi_lasr): Likewise.
8553 (lshrdi3): Likewise.
8554 (aeabi_llsr): Likewise.
8555 2005-03-10 Julian Brown <julian@codesourcery.com>
8556 * config.gcc: Disable shared libgcc for SymbianOS.
8557 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8559 2006-01-18 DJ Delorie <dj@redhat.com>
8561 * c-pragma.c (handle_pragma_diagnostic): New.
8562 (init_pragma): Register it.
8563 * doc/extend.texi: Document it.
8565 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8566 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8567 (diagnostic_context): Add classify_diagnostic[].
8568 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8569 as errors if they're overridden to DK_WARNING.
8570 (diagnostic_initialize): Initialize classify_diagnostic[].
8571 (diagnostic_set_kind_override): New.
8572 (diagnostic_report_diagnostic): Check for kind changes.
8573 * opts.c (common_handle_option): Take lang_mask. Update callers.
8575 * common.opt (Werror=): New.
8576 * doc/invoke.texi: Document -Werror=*
8578 2006-01-18 Jeff Law <law@redhat.com>
8580 * tree-vrp.c (test_for_singularity): Correct test for new
8581 min limit. Use operand_equal_p rather than pointer equality
8582 for testing if new min/max values are equal.
8584 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8585 using range information until after propagation and folding.
8587 2006-01-18 Richard Henderson <rth@redhat.com>
8588 Aldy Hernandez <aldyh@redhat.com>
8589 Jakub Jelinek <jakub@redhat.com>
8590 Diego Novillo <dnovillo@redhat.com>
8592 * omp-low.c: New file.
8593 * c-omp.c: New file.
8595 2006-01-18 Richard Henderson <rth@redhat.com>
8596 Jakub Jelinek <jakub@redhat.com>
8597 Diego Novillo <dnovillo@redhat.com>
8599 * doc/invoke.texi: Document -fopenmp.
8600 * tree-dump.h (debug_function): Declare.
8601 * hooks.c (hook_bool_tree_bool_false): New function.
8602 (hook_tree_tree_null): Remove.
8603 (hook_tree_tree_tree_null): New.
8604 * hooks.h: Update to match.
8605 * tree-pretty-print.c (debug_tree_chain): New.
8606 (print_generic_expr): Handle TDF_CHAIN.
8607 (dump_generic_node): Handle BLOCK.
8608 Do not abort with incomplete SWITCH_EXPRs.
8609 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8610 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8611 print space after directive name.
8612 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8613 Handle OMP_MASTER and OMP_ORDERED.
8614 Handle printing of OMP_BODY just in one place, goto
8615 dump_omp_body in the rest of OMP_* nodes that have
8617 Don't handle clause nodes here. Update omp statements to
8618 use dump_omp_clauses.
8619 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8620 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8621 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8622 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8623 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8624 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8625 Adjust output for GOMP_PARALLEL.
8626 (dump_omp_clauses): New.
8627 (print_declaration): Dump DECL_VALUE_EXPR.
8628 (op_symbol_1): Split out of op_symbol.
8629 (dumping_stmts): Remove. Update all users.
8630 * cgraph.c (cgraph_analyze_queue): New.
8631 (cgraph_add_new_function): New.
8632 * cgraph.h (cgraph_analyze_queue): Declare.
8633 (cgraph_add_new_function): Declare.
8634 (cgraph_lower_function): Remove.
8635 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8636 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8637 and TYPE_P nodes in its default clause.
8638 (empty_body_p): New.
8639 (tree_range_check_failed): New.
8641 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8642 OMP_CLAUSE_REDUCTION_MERGE,
8643 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8644 OMP_CLAUSE_PRIVATE_DEBUG,
8645 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8646 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8647 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8648 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8649 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8650 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8651 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8652 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8653 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8654 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8655 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8656 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8657 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8658 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8659 (TREE_RANGE_CHECK): New.
8660 (empty_body_p): Declare.
8661 (enum omp_clause_default_kind): New.
8662 (build_string_literal): Declare.
8663 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8664 (build5_stat, build5): Declare.
8665 * tree-pass.h (TDF_CHAIN): Define.
8666 * tree-pass.h (PROP_gimple_lomp): Define.
8667 (pass_lower_omp): Declare.
8668 * diagnostic.h (debug_tree_chain): Declare.
8669 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8671 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8672 * builtins.c (build_string_literal): Make extern.
8673 * gcc.c (include_spec_function): New.
8674 (static_spec_functions): Add it.
8675 (main): Move load of libgomp.spec ...
8676 (LINK_COMMAND_SPEC): ... here.
8677 (link_gomp_spec): New.
8678 (static_specs): Include it.
8679 (LINK_COMMAND_SPEC): Add link_gomp.
8680 (GOMP_SELF_SPECS): New.
8681 (driver_self_specs): Include it.
8682 (switch_matches): Don't mark inline.
8683 (main): Load libgomp.spec.
8684 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8685 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8686 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8687 * tree-gimple.h (enum omp_parallel): Declare.
8688 (determine_parallel_type): Declare.
8689 (omp_firstprivatize_variable): Declare.
8690 (omp_reduction_init): Declare.
8691 (diagnose_omp_structured_block_errors): Declare.
8692 (struct walk_stmt_info): Add want_return_expr.
8693 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8694 (find_omp_clause): Declare.
8695 (insert_field_into_struct): Declare.
8696 (struct walk_stmt_info): Move from tree-nested.c
8697 (walk_stmts): Declare.
8698 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8700 * cgraphunit.c (cgraph_lower_function): Make static.
8701 (cgraph_finalize_pending_functions): New.
8702 (cgraph_finalize_function): Call it.
8703 (cgraph_finalize_compilation_unit): Likewise.
8704 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8705 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8706 (BT_FN_UINT_UINT): New.
8707 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8708 DEF_FUNCTION_TYPE_VAR_4): Document.
8709 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8710 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8711 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8712 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8713 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8714 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8715 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8716 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8717 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8718 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8719 into separate files.
8720 (DEF_GOMP_BUILTIN): New.
8721 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8722 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8723 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8724 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8725 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8726 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8727 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8728 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8729 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8730 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8731 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8732 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8733 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8734 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8735 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8736 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8737 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8738 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8739 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8740 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8741 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8742 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8743 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8744 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8745 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8746 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8747 * sync-builtins.def: New file, moved from builtins.def.
8748 * omp-builtins.def: New file, moved from builtins.def.
8749 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8750 * gimple-low.c (lower_function_body): Clear data.
8751 (lower_stmt): Do not handle COMPOUND_EXPR.
8752 Remove call to print_node_brief.
8753 * c-tree.h (c_finish_omp_clauses): New prototype.
8754 (C_DECL_THREADPRIVATE_P): Define.
8755 (lookup_name_no_remap, c_omp_remap_private): Remove
8756 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8757 (check_for_loop_decls): Update decl.
8758 (lookup_name_no_remap, c_omp_remap_private): Declare.
8759 (build_indirect_ref, build_modify_expr, pushdecl,
8760 pushdecl_top_level): Move to c-common.h.
8761 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8762 before the switch, but just in the 2 places that need it.
8763 * c-decl.c (diagnose_mismatched_decls): Do not check for
8764 mismatched thread-local attributes when OLDDECL is marked
8765 threadprivate and NEWDECL has no thread-local attributes.
8766 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8767 (c_gimple_diagnostics_recursively): Rename from
8768 c_warn_unused_result_recursively. Invoke
8769 diagnose_omp_structured_block_errors.
8770 (check_for_loop_decls): Return a singular decl found.
8771 * langhooks.c (lhd_omp_predetermined_sharing): Return
8772 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8773 (lhd_omp_firstprivatize_type_sizes): New.
8774 (lhd_omp_assignment): New.
8775 (lhd_omp_predetermined_sharing): New.
8776 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8777 (struct lang_hooks_for_types): Add
8778 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8779 omp_predetermined_sharing, omp_disregard_value_expr,
8780 omp_private_debug_clause, omp_clause_default_ctor,
8781 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8782 (c_finish_omp_clauses): New.
8783 (c_finish_bc_stmt): Diagnose break within omp for.
8784 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8785 (build_unary_op): Return error_mark after reporting
8787 (build_modify_expr): Likewise.
8788 * gimplify.c: Include optabs.h and pointer-set.h.
8789 (enum gimplify_omp_var_data): Declare.
8790 (struct gimplify_omp_ctx): Declare.
8791 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8793 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8794 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8795 (splay_tree_compare_decl_uid): New.
8796 (new_omp_context): New.
8797 (delete_omp_context): New.
8798 (gimple_add_tmp_var): Call omp_add_variable.
8799 (gimplify_bind_expr): Likewise.
8800 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8801 true, disregard DECL_VALUE_EXPR on the decl if any.
8802 (gimplify_expr_in_ctx): New.
8803 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8804 omp_add_variable, omp_notice_variable, omp_is_private
8805 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8806 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8807 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8808 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8809 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8810 gimplify_omp_atomic): New.
8811 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8812 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8813 OMP_CRITICAL and OMP_ATOMIC.
8814 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8815 * c-pragma.h (enum pragma_kind): Add
8816 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8817 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8818 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8819 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8820 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8821 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8822 PRAGMA_OMP_THREADPRIVATE.
8823 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8824 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8825 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8826 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8827 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8828 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8829 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8830 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8831 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8832 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8833 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8834 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8835 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8837 (struct nesting_info): Add field_map,
8838 suppress_expansion, debug_var_chain.
8839 (create_nesting_tree): Initialize them.
8840 (lookup_field_for_decl): Use field_map.
8841 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8842 (convert_local_omp_clauses): New.
8843 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8844 (walk_body): Split out of walk_function.
8845 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8846 (convert_nonlocal_reference): Handle omp statements.
8847 (convert_local_reference): Likewise.
8848 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8849 (unnest_nesting_tree): New.
8850 (lower_nested_functions): Call it.
8851 (insert_field_into_struct): Make extern.
8852 (struct walk_stmt_info): Move to tree-gimple.h.
8853 (walk_stmts): Make extern.
8854 * omp-builtins.def: New file.
8855 * tree-iterator.c (expr_only): Clarify comment.
8856 * c-common.h (pushdecl_top_level, pushdecl,
8857 build_modify_expr, build_indirect_ref,
8858 c_finish_omp_master, c_finish_omp_critical,
8859 c_finish_omp_ordered, c_finish_omp_barrier,
8860 c_finish_omp_atomic, c_finish_omp_flush,
8861 c_finish_omp_for, c_split_parallel_clauses,
8862 omp_clause_default_kind, c_omp_sharing_predetermined,
8863 c_omp_remap_decl): Declare.
8864 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8865 (OBJS-common): Add omp-low.o.
8866 (c-omp.o, omp-low.o): Add.
8867 (gimplify.o): Add dependency on $(OPTABS_H).
8868 (GTFILES): Add omp-low.c.
8869 (gt-stringpool.h): Add.
8870 * tree-cfg.c (set_bb_for_stmt): Do not update the
8871 block-to-labels map if we are currently expanding to RTL.
8872 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8874 Handle IDENTIFIER_NODE.
8875 (tree_verify_flow_info): Do not ICE when emitting error
8876 messages about invalid labels.
8877 (dump_function_to_file): Reset CFUN before emitting the body
8879 (debug_function): New.
8880 * passes.c (init_optimization_passes): Schedule
8882 * langhooks-def.h (lhd_omp_predetermined_sharing,
8883 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8885 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8886 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8887 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8888 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8889 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8890 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8891 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8892 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8893 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8894 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8895 (LANG_HOOK_DECLS): Use them.
8897 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8898 Richard Henderson <rth@redhat.com>
8899 Jakub Jelinek <jakub@redhat.com>
8900 Diego Novillo <dnovillo@redhat.com>
8902 * c-parser.c (pragma_omp_clause): Define.
8903 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8904 (c_parser_compound_statement): Likewise.
8905 (c_parser_statement): Likewise.
8906 (c_parser_pragma): Handle omp pragmas.
8907 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8908 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8909 (c_parser_omp_clause_name, check_no_duplicate_clause,
8910 c_parser_omp_variable_list,
8911 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8912 c_parser_omp_clause_copyprivate,
8913 c_parser_omp_clause_default,
8914 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8915 c_parser_omp_clause_lastprivate,
8916 c_parser_omp_clause_nowait,
8917 c_parser_omp_clause_num_threads,
8918 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8919 c_parser_omp_clause_reduction,
8920 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8921 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8922 c_parser_omp_atomic, c_parser_omp_barrier,
8923 c_parser_omp_critical, c_parser_omp_flush,
8924 c_parser_omp_for_loop, c_parser_omp_for,
8925 c_parser_omp_master, c_parser_omp_ordered,
8926 c_parser_omp_sections_scope, c_parser_omp_sections,
8927 c_parser_omp_parallel, c_parser_omp_single,
8928 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8929 * c-pragma.c (init_pragma): Do omp pragma registration here.
8930 * c.opt (fopenmp): New flag.
8932 2006-01-18 Eric Christopher <echristo@apple.com>
8934 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8935 * config/darwin.h (GOMP_SELF_SPECS): Define.
8937 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8939 * rtl.h: Remove the prototype for reg_alloc.
8941 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8944 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8945 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8946 sjlj and dwarf2 exception handling.
8947 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8948 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8949 * pa/pa.c (function_value): Treat complex and vector types as
8951 (function_arg): Likewise. Only pass scalar floats in the floating
8952 point argument registers.
8953 * pa/t-slibgcc-dwarf-ver: New file.
8954 * pa/t-slibgcc-sjlj-ver: New file.
8955 * pa/t-slibgcc-elf-ver: Delete file.
8957 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8959 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8960 unlikely_test_section_p test.
8962 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8964 * mode-switching.c (optimize_mode_switching): Make it static.
8965 * basic-block.h: Remove the prototype for
8966 optimize_mode_switching.
8968 * modulo-sched.c (sms_schedule): Make it static.
8969 * rtl.h: Remove the prototype for sms_schedule.
8971 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8972 * rtl.h: Remove the prototype for gcse_after_reload_main.
8974 * reg-stack.c (reg_to_stack): Make it static.
8975 * rtl.h: Remove the prototype for reg_to_stack.
8977 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8979 * rtl.h: Remove the prototypes for regrename_optimize and
8980 copyprop_hardreg_forward.
8982 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8984 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8985 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8986 Test against the appropriate null constant for the mode.
8987 If 'fixup_overlap' is true, swap the operands if they overlap.
8988 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8989 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8990 alpha_split_tmode_pair and adjust for above change.
8991 * config/alpha/alpha.md (movtf_internal): Adjust call to
8992 alpha_split_tfmode_pair and rely on it to swap the operands.
8993 (movti_internal): New insn and post-reload splitter.
8994 (movti): New expander.
8996 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8998 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9001 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9003 * rtlanal.c (global_reg_mentioned_p_1,
9004 global_reg_mentioned_p): Remove.
9005 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9007 * flow.c (initialize_uninitialized_subregs): Make it static.
9008 * rtl.h: Remove the prototype for
9009 initialize_uninitialized_subregs.
9011 * function.c (instantiate_virtual_regs): Make it static.
9012 * function.h: Remove the prototype for
9013 instantiate_virtual_regs.
9015 * regmove.c (regmove_optimize, combine_stack_adjustments):
9017 * rtl.h: Remove the prototypes for regmove_optimize and
9018 combine_stack_adjustments.
9020 2006-01-17 Roger Sayle <roger@eyesopen.com>
9022 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9023 (size_cost): Encode costs in bytes so that a reg-reg addition is
9024 equivalent to COSTS_N_INSNS(1).
9025 (override_options): Use the size_cost.branch_cost as the default
9026 ix86_branch_cost when optimizing for size.
9028 2006-01-18 Ben Elliston <bje@au.ibm.com>
9030 * Makefile.in (D32PBIT_FUNCS): New.
9031 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9032 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9033 D64PBIT_FUNCS and D128PBIT_FUNCS.
9034 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9035 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9037 (decnumber_dep): Define.
9038 * doc/libgcc.texi (Decimal float library routines): New node.
9039 * config/dfp-bit.h, config/dfp-bit.c: New files.
9041 2006-01-18 Ben Elliston <bje@au.ibm.com>
9043 * expr.c (emit_move_change_mode): Always adjust addresses, not
9044 just during reload. Copy replacements only during reload.
9045 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9046 emit_move_via_integer.
9048 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9050 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9051 instead of $(srcdir) and ${srcdir}.
9053 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9057 * arm.h (struct machine_function): Add pic_reg.
9058 * arm.c (arm_pic_register): Make unsigned.
9059 (arm_override_options): Only set arm_pic_register if
9060 TARGET_SINGLE_PIC_BASE.
9061 (use_return_insn): Only test for a pic register if it is fixed.
9062 (arm_compute_save_reg0_reg12_mask): Likewise.
9063 (thumb_compute_save_reg_mask): Likewise.
9064 (legitimate_pic_operand): Factor out some known invariants.
9065 (legitimize_pic_address): If we don't have a fixed pic register,
9066 then set up a pseudo in the function entry sequence. Handle the
9067 pic base being in a pseudo.
9068 (arm_load_pic_register): Handle the pic register being in a pseudo.
9069 (arm_expand_prologue): Only set up the pic register if it is fixed.
9070 (thumb_expand_prologue): Likewise.
9071 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9072 (pic_load_addr_based_insn): Likewise.
9073 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9076 2006-01-18 Ben Elliston <bje@au.ibm.com>
9078 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9079 decimal float modes for all floating point registers.
9081 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9082 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9084 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9087 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9088 even when the pointer is not NULL.
9090 2006-01-16 Ian Lance Taylor <ian@airs.com>
9092 * common.opt (ftoplevel-reorder): New option.
9093 * cgraph.c (cgraph_asm_nodes): New global variable.
9094 (cgraph_asm_last_node): New static variable.
9095 (cgraph_order): New global variable.
9096 (cgraph_create_node): Set new order field.
9097 (cgraph_varpool_node): Likewise.
9098 (decide_is_variable_needed): Return true if not
9099 flag_toplevel_reorder.
9100 (cgraph_add_asm_node): New function.
9101 * cgraph.h (struct cgraph_node): Add order field.
9102 (struct cgraph_varpool_node): Add order field.
9103 (struct cgraph_asm_node): Define.
9104 (cgraph_asm_nodes, cgraph_order): Declare.
9105 (cgraph_add_asm_node): Declare.
9106 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9108 (cgraph_varpool_assemble_pending_decls): Call it.
9109 (cgraph_output_pending_asms): New static function.
9110 (cgraph_finalize_compilation_unit): Call it.
9111 (struct cgraph_order_sort): Define.
9112 (cgraph_output_in_order): New static function.
9113 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9114 !flag_toplevel_reorder case.
9115 * c-parser.c: Include "cgraph.h".
9116 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9118 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9119 than -fno-unit-at-a-time.
9120 * doc/invoke.texi (Option Summary): Mention
9121 -fno-toplevel-reorder.
9122 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9123 -funit-at-a-time documentation.
9125 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9126 Kazu Hirata <kazu@codesourcery.com>
9128 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9130 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9132 * Makefile.in (FUNCTION_H): New. Use it instead of
9133 function.h throughout the file.
9134 * function.h: Include tree.h.
9136 2006-01-17 Ben Elliston <bje@au.ibm.com>
9138 * recog.c: Separate some functions with whitespace.
9140 2006-01-16 Richard Henderson <rth@redhat.com>
9142 Merge from gomp branch:
9143 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9144 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9145 and rename from struct inline_data. Rename callee* to dst*;
9146 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9147 transform_new_cfg, transform_return_to_modify, and
9148 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9150 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9151 (copy_decl_for_dup): Remove.
9152 * tree-inline.c (struct inline_data): Move to header.
9153 (insert_decl_map): Export.
9154 (remap_decl): Update for member name changes. Use copy_decl hook.
9155 Allow for replacement to be a non-decl. Remove dead code.
9156 (remap_type_1): Check for existing mapping.
9157 (remap_type): Export.
9158 (remap_decls): Update for member name changes.
9159 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9160 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9161 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9162 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9163 (tree_function_versioning, build_duplicate_type): Likewise.
9164 (copy_body_r): Likewise. Export.
9165 (copy_decl_for_dup): Split into ...
9166 (copy_decl_for_dup_finish, copy_decl_to_var,
9167 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9168 (replace_ref_tree, inlining_p): Remove.
9170 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9172 * ifcvt.c (if_convert): Make it static.
9173 * rtl.h: Remove the prototype for if_convert.
9175 * local-alloc.c (local_alloc): Make it static.
9176 * rtl.h: Remove the prototype for local_alloc.
9178 * loop.c (loop_optimize): Make it static.
9179 * cfgloop.h: Remove the prototype for loop_optimize.
9182 2006-01-16 DJ Delorie <dj@redhat.com>
9184 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9187 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9189 * pa.md: Disparage copies between general and floating-point registers
9190 in 32-bit move patterns.
9192 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9195 * Makefile.in (check-%): Depend on site.exp instead of
9196 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9199 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9201 * global.c (global_alloc): Make it static.
9202 * rtl.h: Remove the prototype for global_alloc.
9204 2006-01-16 Richard Guenther <rguenther@suse.de>
9206 * tree-ssa-alias.c (struct used_part): Add write_only field.
9207 (get_or_create_used_part_for): Initialize it to true.
9208 (create_overlap_variables_for): Don't create structure variables
9209 for structures that only are written to.
9210 (find_used_portions): Handle MODIFY_EXPR to track whether a
9211 structure is only written to.
9213 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9215 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9217 * basic-block.h: Remove the prototype for
9218 partition_hot_cold_basic_blocks.
9220 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9222 * cppspec.c (lang_specific_spec_functions): Remove.
9223 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9224 * gcc.h (lang_specific_spec_functions): Remove.
9225 * gccspec.c (lang_specific_spec_functions): Remove.
9227 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9229 * combine.c (record_value_for_reg): Invalidate registers
9231 (record_dead_and_set_regs_1): Likewise, by passing them to
9232 record_value_for_reg.
9233 (record_dead_and_set_regs): Invalidate stores made by a
9234 call. We do not combine across a call, but we still
9235 relied on equivalences.
9237 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9239 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9240 vrp_int_const_binop returning non-constant nodes.
9242 2006-01-16 Paul Brook <paul@codesourcery.com>
9244 * config/m68k/m68k.c (output_move_const_into_data_reg):
9245 Output correct mnemonic for mvz and mvs.
9247 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9249 * rtl-factoring.c: Add sequence abstraction algorithm.
9250 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9251 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9253 (block_has_preserve_label): New function.
9254 * common.opt: Register new pass.
9255 * Makefile.in: Ditto.
9257 * timevar.def: Ditto.
9258 * tree-pass.h: Ditto.
9259 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9260 * rtl.h (make_jump_insn_raw): Add forward decl.
9261 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9263 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9264 Roger Sayle <roger@eyesopen.com>
9266 * fold-const.c (fold_minmax): New static function.
9267 (fold_binary) <MIN_EXPR>: Call it.
9268 <MAX_EXPR>: Likewise.
9269 * stor-layout.c (place_field): Use DECL_SIZE consistently
9270 in the computation of the new record size.
9272 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9274 * cse.c (cse_condition_code_reg): Make it static.
9275 * rtl.h: Remove the prototype for cse_condition_code_reg.
9277 * combine.c (combine_instructions): Make it static.
9278 * rtl.h: Remove the prototype for combine_instructions.
9280 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9283 * tree.c (get_file_function_name_long): Concatenate the first global
9284 object name with a string derived from the input filename of the object
9287 2006-01-16 Ben Elliston <bje@au.ibm.com>
9289 * config/i386/winnt-stubs.c: Update FSF address.
9290 * config/xtensa/ieee754-df.S: Ditto.
9291 * config/xtensa/ieee754-sf.S: Ditto.
9293 2006-01-14 Ian Lance Taylor <ian@airs.com>
9295 * ifcvt.c (noce_init_if_info): New static function, broken out of
9296 noce_process_if_block.
9297 (noce_process_if_block): Call noce_init_if_info.
9298 (check_cond_move_block): New static function.
9299 (cond_move_process_if_block): New static function.
9300 (process_if_block): Call cond_move_process_if_block.
9302 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9304 * cselib.c (hash_table): Rename to cselib_hash_table.
9305 (cselib_clear_table, discard_useless_values,
9306 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9307 cselib_init, cselib_finish): Adjust uses of hash_table.
9309 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9311 PR tree-optimization/25485
9312 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9313 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9314 is known to be false and true, respectively.
9316 2006-01-14 Richard Guenther <rguenther@suse.de>
9318 PR tree-optimization/22548
9319 PR tree-optimization/22555
9320 PR tree-optimization/22501
9321 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9322 * params.def (salias-max-array-elements): New parameter.
9323 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9324 * doc/invoke.texi (salias-max-array-elements): Document.
9325 * tree-flow-inline.h (var_can_have_subvars): We also handle
9327 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9329 * tree-ssa-structalias.c (params.h): Include.
9330 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9331 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9332 (get_constraint_for): For ADDR_EXPR operating on something
9333 containing an ARRAY_REF, add all subvars to the solution.
9334 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9335 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9336 for creating MUST_DEFs.
9337 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9339 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9341 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9343 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9344 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9345 number_of_iterations_le): New functions.
9346 (number_of_iterations_special): Removed.
9347 (number_of_iterations_exit): Do not use number_of_iterations_special.
9348 * tree.c (unsigned_type_for): Always return integer type.
9350 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9351 Richard Guenther <rguenther@suse.de>
9353 PR rtl-optimization/24257
9354 * gcse.c (find_moveable_store): Only consider a store movable
9355 when the SET_SRC of the insn can be assigned to a register.
9357 2006-01-14 Ian Lance Taylor <ian@airs.com>
9359 * tree.c (tree_not_class_check_failed): New function.
9360 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9361 (tree_not_class_check_failed): Declare.
9363 2006-01-13 Ian Lance Taylor <ian@airs.com>
9365 * reload1.c (do_output_reload): Add assertion rejecting a
9368 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9370 * combine.c (struct reg_stat): Add new fields truncation_label and
9372 (record_value_for_reg): Reset truncated_to_mode.
9373 (record_truncated_value): New function.
9374 (check_promoted_subreg): Call it. Rename to check_conversions.
9375 (combine_instructions): Rename check_promoted_subreg to
9377 (reg_truncated_to_mode): New function.
9378 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9379 (gen_lowpart_or_truncate): New function.
9380 (force_to_mode): Use it instead of gen_lowpart.
9382 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9384 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9385 VAR is a tag, not its type tag.
9387 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9389 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9390 alternatives to match style of other entries.
9391 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9393 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9395 PR tree-optimization/25771
9396 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9399 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9402 * tree-inline.c (declare_return_variable): If the return variable
9403 was marked as a non gimple complex, set the return slot variable
9404 to be a non gimple comple variable.
9406 2006-01-13 Richard Guenther <rguenther@suse.de>
9408 * builtins.c (expand_builtin_sincos): New function.
9409 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9411 (expand_builtin): Expand sincos using expand_builtin_sincos.
9413 2006-01-12 DJ Delorie <dj@redhat.com>
9415 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9416 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9417 so that constant shifts can be split.
9418 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9419 (m32c_valid_pointer_mode): Make static.
9420 (shift_gen_func_for): New.
9421 (m32c_prepare_shift): Use it. Split large const shifts into
9423 * config/m32c/predicates.md (shiftcount_operand): Allow more
9425 (longshiftcount_operand): New.
9426 * doc/md.texi (Machine Constraints): Document In6.
9428 2006-01-13 Ben Elliston <bje@au.ibm.com>
9430 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9431 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9434 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9436 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9437 to try to avoid clobbering pieces of structures when we know
9438 something about the whole structure.
9439 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9441 2006-01-13 Ben Elliston <bje@au.ibm.com>
9443 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9444 return in memory, as this is no limitation is no longer present.
9446 2006-01-12 DJ Delorie <dj@redhat.com>
9448 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9449 mova with fb, and for fb+0 -> An.
9451 * config/m32c/mov.md (peephole2): Fix enabling logic.
9453 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9454 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9455 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9456 FINI_ARRAY_SECTION_ASM_OP): Define.
9458 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9460 (m32c_legitimize_reload_address): New logic to reload FB to An.
9461 (m32c_output_reg_push): Add newline.
9462 (m32c_output_reg_pop): Likewise.
9464 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9466 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9468 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9470 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9472 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9474 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9477 2006-01-11 Ben Elliston <bje@au.ibm.com>
9479 * rtlanal.c (find_reg_note): Assert insn is not null.
9481 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9483 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9486 2006-01-11 Jeff Law <law@redhat.com>
9488 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9490 (mark_threaded_blocks, register_jump_thread): New functions.
9491 (thread_through_all_blocks): Remove unwanted argument. No
9492 longer rely on e->aux to communicate thread target info.
9493 Call mark_threaded_blocks. Release the threaded_blocks
9494 bitmap and threaded_edges vector when complete.
9495 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9496 (threaded_blocks): Remove.
9497 (tree_ssa_dominator_optimize): Remove initialization and
9498 finalization of threaded_blocks. Simplify call to
9499 thread_through_all_blocks.
9500 (thread_across_edge): Call register_jump_thread rather than
9501 storing thread information into e->aux.
9502 (free_all_edge_infos): Simplify now that e->aux is no longer
9503 used to communicate with thread_through_all_blocks.
9504 * tree-flow.h (thread_through_all_blocks): Update prototype.
9505 (register_jump_thread): Prototype.
9507 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9509 * df-core.c (df_compact_blocks, df_bb_replace): Use
9510 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9512 2006-01-11 Richard Guenther <rguenther@suse.de>
9514 PR tree-optimization/25734
9515 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9516 stop propagation after successful propagation to the LHS.
9518 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9520 * basic-block.h (control_flow_graph): Change the type of
9521 x_basic_block_info to VEC(basic_block,gc) *.
9522 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9524 (SET_BASIC_BLOCK): New.
9525 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9526 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9527 * cfgbuild.c (find_basic_blocks): Likewise.
9528 * cfglayout.c (fixup_reorder_chain): Likewise.
9529 * cfgrtl.c (create_basic_block_structure,
9530 rtl_create_basic_block): Likewise.
9531 * ifcvt.c (find_if_case_1): Likewise.
9532 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9535 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9537 * Makefile.in: Removed rotted odf.c entry.
9539 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9542 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9543 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9544 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9545 output pattern modifier, not %e.
9546 * config/cris/cris.c (cris_op_str): Update comment about pattern
9548 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9549 before falling through into...
9550 <case 'E'>: Redefined from old 'e' case.
9552 2006-01-11 Jan Hubicka <jh@suse.cz>
9555 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9557 2006-01-11 Jan Hubicka <jh@suse.cz>
9559 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9560 * i386.c (x86_decompose_lea): Kill.
9561 (ix86_rtx_costs): Kill.
9563 2006-01-11 Jan Hubicka <jh@suse.cz>
9565 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9566 * cgraph.h (cgraph_node): Add inline_decl.
9567 (cgraph_insert_node_to_hashtable): Declare.
9568 (save_inline_function_body): Declare.
9569 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9571 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9572 (cgraph_function_versioning): Update call of tree_function_versioning.
9573 (save_inline_function_body): New function.
9574 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9575 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9576 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9577 (cgraph_default_inline_p): Likewise.
9578 (cgraph_decide_inlining_incrementally): Likewise.
9579 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9580 (copy_bb): Kill saving; do updating of clones.
9581 (copy_cfg_body): Kill saving.
9582 (initialize_inlined-parameters): Likewise.
9583 (expand_call_inline): Likewise.
9585 (tree_function_versioning): New parameter "update_clones".
9586 (inlining_p): Kill saving.
9587 * tree-inline.h (tree_function_versioning): Update prototype.
9588 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9591 2006-01-11 Ian Lance Taylor <ian@airs.com>
9593 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9594 Allow undoing set of machine mode.
9595 (do_SUBST): Use enums instead of is_int.
9596 (do_SUBST_MODE): New function.
9597 (SUBST_MODE): New macro.
9598 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9599 reg and trying to replace reg_regno_rtx with a new register.
9600 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9601 (simplify_set): Use SUBST_MODE.
9602 (distribute_notes): Remove code that tried to update reg notes
9603 for regno_reg_rtx changes.
9605 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9607 PR tree-optimization/23109
9608 PR tree-optimization/23948
9609 PR tree-optimization/24123
9611 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9612 * tree-cfg.c (single_noncomplex_succ): New.
9613 * tree-flow.h (single_noncomplex_succ): Declare it.
9614 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9615 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9616 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9617 insert_bb, register_division_in, insert_reciprocals,
9618 replace_reciprocal, free_bb): New.
9619 (execute_cse_reciprocals_1): Rewritten.
9620 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9621 Do not commit any edge insertion. Always compute dominators and
9622 create the allocation pool.
9623 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9624 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9625 * targhooks.c (default_min_divistions_for_recip_mul): New.
9626 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9627 * passes.c (init_optimization_passes): Run recip after tree loop
9629 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9631 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9632 Kenneth Zadeck <zadeck@naturalbridge.com>
9634 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9635 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9636 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9637 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9638 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9639 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9640 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9641 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9642 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9643 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9644 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9645 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9646 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9647 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9648 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9649 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9650 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9651 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9652 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9653 DF_SCAN_POST_ALLOC): New macros.
9654 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9655 df_free_bb_function, df_local_compute_function, df_init_function,
9656 df_dataflow_function, df_confluence_function_0,
9657 df_confluence_function_n, df_transfer_function,
9658 df_finalizer_function, df_free_function, df_dump_problem_function,
9659 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9660 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9661 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9662 df_urec_bb_info, ) New types.
9663 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9665 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9666 df_analyze_simple_change_some_blocks,
9667 df_analyze_simple_change_one_block, df_compact_blocks,
9668 df_bb_replace, df_bb_regno_last_use_find,
9669 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9670 df_insn_regno_def_p, df_find_def, df_find_use,
9671 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9672 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9673 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9674 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9675 debug_df_chain, df_get_dependent_problem, df_chain_create,
9676 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9677 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9678 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9679 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9680 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9681 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9682 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9683 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9684 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9685 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9686 df_reorganize_refs, df_set_state, df_hard_reg_init,
9687 df_read_modify_subreg_p) New public functions.
9688 * df-core.c: The core dataflow solver and glue routines for rtl
9690 (df_init, df_add_problem, df_set_blocks, df_finish,
9691 df_hybrid_search_forward, df_hybrid_search_backward,
9692 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9693 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9694 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9695 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9696 df_reg_defined, df_find_use, df_reg_used, df_dump,
9697 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9698 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9699 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9700 debug_df_useno, reset_df_after_reload): New functions.
9701 * df-scan.c: The scanning fuctions, once in df.c, completely
9702 rewritten so that they now fully model the functionality of
9703 register usage at the backend.
9704 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9705 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9706 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9707 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9708 df_get_artificial_defs, df_get_artificial_uses,
9709 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9710 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9711 df_refs_delete, df_reorganize_refs, df_set_state,
9712 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9713 df_def_record_1, df_defs_record, df_uses_record,
9714 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9715 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9716 df_record_exit_block_uses, df_hard_reg_init): New functions.
9718 * df-problems.c: Seven concrete dataflow problems that use the
9719 scanning in df-scan.c and are solved by the engine in df-core.c.
9720 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9721 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9722 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9723 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9724 df_ru_free_bb_info, df_ru_alloc,
9725 df_ru_bb_local_compute_process_def,
9726 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9727 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9728 df_ru_transfer_function, df_ru_free, df_ru_dump,
9729 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9730 df_rd_free_bb_info, df_rd_alloc,
9731 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9732 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9733 df_rd_transfer_function, df_rd_free, df_rd_dump,
9734 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9735 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9736 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9737 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9738 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9739 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9740 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9741 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9742 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9743 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9744 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9745 df_urec_mark_reg_use_for_earlyclobber,
9746 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9747 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9748 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9749 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9750 df_chain_create_bb_process_use, df_chain_create_bb,
9751 df_chain_finalize, df_chain_free, df_chains_dump,
9752 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9753 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9754 df_reg_lifetime): New functions.
9755 * df.c: Deleted file.
9756 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9757 consistent with new df api.
9758 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9759 rest_of_handle_sms): Ditto.
9760 * web.c (unionfind_union, union_defs, entry_register, web_main):
9762 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9763 invariant_expr_equal_p, find_defs, check_dependencies,
9764 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9765 free_inv_motion_data, move_loop_invariants): Ditto.
9766 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9767 Update dependencies.
9768 (odf.c): Added defective entry that was deleted later in day.
9769 * sched-deps.c (sched_analyze_1): Ditto.
9771 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9773 * tree-ssa-operands.c (get_expr_operands): Record addressable
9774 variables directly. Do not call add_stmt_operands for CONST_DECLs
9776 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9777 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9779 2006-01-11 Ben Elliston <bje@au.ibm.com>
9781 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9782 function returns true in the positive case.
9784 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9787 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9788 for SI, DI, SF and DF modes. Add alternatives to copy between
9789 general and floating point registers to the 32-bit patterns.
9790 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9791 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9792 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9793 generating 64-bit code.
9794 * config/pa/pa.c (output_move_double): Handle copies between general
9795 and floating registers.
9797 2006-01-10 Stuart Hastings <stuart@apple.com>
9799 * config/i386/i386.md (set_got): Update.
9800 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9801 (builtin_setjmp_receiver): Mach-O support.
9802 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9803 (GOT_SYMBOL_NAME): Define.
9804 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9805 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9806 * config/i386/i386.c (override_options): Revise for Darwin.
9807 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9808 support. (darwin_x86_file_end): New. (output_set_got): Add label
9809 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9810 * config/i386/i386-protos.h (output_set_got): Likewise.
9811 * config/darwin.c (machopic_legitimize_pic_address): Update
9814 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9816 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9817 when MODE isn't BLKmode.
9819 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9821 PR rtl-optimization/25367
9822 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9824 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9827 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9828 for a negative bound.
9830 2006-01-10 Richard Guenther <rguenther@suse.de>
9832 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9833 Never override with anything constraint.
9835 2006-01-10 Jan Beulich <jbeulich@novell.com>
9837 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9838 256 bits when optimize_size.
9840 2006-01-10 Jan Beulich <jbeulich@novell.com>
9842 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9844 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9845 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9848 2006-01-10 Ben Elliston <bje@au.ibm.com>
9850 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9852 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9853 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9854 (USE_FP_FOR_ARG): Reject decimal float modes.
9855 (function_arg_advance): Likewise.
9856 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9857 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9858 point types in AltiVec vectors.
9859 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9860 (rs6000_libcall_value): Likewise.
9862 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9864 * config/xtensa/ieee754-df.S: New file.
9865 * config/xtensa/ieee754-sf.S: New file.
9866 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9867 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9868 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9870 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9872 * config/sh/predicates.md (binary_float_operator,
9873 binary_logical_operator, commutative_float_operator,
9874 equality_comparison_operator, greater_comparison_operator,
9875 less_comparison_operator, logical_operator,
9876 noncommutative_float_operator, shift_operator,
9877 symbol_ref_operand, unary_float_operator): Remove redundant
9880 2006-01-09 Jeff Law <law@redhat.com>
9882 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9883 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9884 now unused arguments. Callers updated.
9885 (eliminate_redundant_computations): Remove now unused arguments,
9887 (local_fold): Remove, no longer used.
9888 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9890 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9891 (simplify_cond): New function.
9892 (forward_propagate_into_cond): Call simplify_cond.
9894 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9896 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9897 (*vec_extractv2di_1_sse): New.
9899 2006-01-09 Ben Elliston <bje@au.ibm.com>
9901 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9903 2006-01-08 Richard Guenther <rguenther@suse.de>
9905 * tree-ssa-structalias.c (get_constraint_for): Remove
9907 (get_constraint_for_component_ref): Likewise.
9908 (do_deref): Likewise.
9909 (get_constraint_for): Likewise.
9910 (do_structure_copy): Likewise.
9911 (handle_ptr_arith): Likewise.
9912 (find_func_aliases): Likewise. Remove unused need_anyoffset
9915 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9916 Kaz Kojima <kkojima@gcc.gnu.org>
9918 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9919 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9920 (EXTRA_CONSTRAINT_C16): Remove.
9921 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9922 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9923 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9924 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9925 constants of SHmedia. Handle nested constant expressions of
9927 (andcosts): Fix the costs for SHmedia constants.
9928 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9929 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9930 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9931 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9932 (movv4hi_i, movv2si_i): Likewise.
9933 (movsi_const): Adjust the second operand of ior so to match with
9935 (movdi_const, movdi_const_32bit): Likewise.
9936 (movdi_const_16bit+1): Don't sign-extend LOW.
9937 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9939 (*double_shori): Fix the split condition. Use GEN_INT instead
9940 of get_int_mode calls. Mask lower 16-bit of the argument of
9942 (sym2GOTPLT): Remove.
9943 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9945 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9946 instead of EXTRA_CONSTRAINT_C16.
9948 2006-01-07 Ian Lance Taylor <ian@airs.com>
9949 David Edelsohn <edelsohn@gnu.org>
9951 PR rtl-optimization/25662
9952 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9953 for constant operands instead of simplify_gen_binary.
9954 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9955 after trying simplify_binary_operation
9957 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9959 * tree.c (iterative_hash_expr): Hash decls based on UID.
9961 2006-01-06 Eric Christopher <echristo@apple.com>
9963 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9964 (TARGET_UNWIND_EMIT): Fix spelling.
9965 * target.h (gcc_target): Add except_table_label.
9966 * except.c (output_function_exception_table): Use.
9967 * varasm.c (default_emit_except_table_label): New.
9968 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9970 (asm_out): Add here.
9971 * output.h (default_emit_except_table_label): Prototype.
9972 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9973 * config/darwin.c (darwin_emit_except_table_label): Define.
9974 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9976 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9978 PR tree-optimization/18527
9979 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9980 number_of_iterations_special, number_of_iterations_exit):
9981 Move base and step of an iv to a single structure. Add
9982 no_overflow flag, and use it in # of iterations analysis.
9983 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9984 folded_casts argument.
9985 (simple_iv): Pass base and step in a structure. Set no_overflow
9987 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9988 Evaluate expensiveness of computing # of iterations instead of
9989 the final expression.
9990 * tree-scalar-evolution.h (affine_iv): New structure.
9991 (simple_iv): Declaration changed.
9992 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9993 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9994 find_givs_in_stmt): Changed due to simple_iv change.
9996 2006-01-06 Jeff Law <law@redhat.com>
9999 * tree-cfg.c (bsi_replace): Rename final argument from
10000 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10001 change (stmt -> orig_stmt).
10002 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10003 (bsi_remove): Add new argument. Remove EH information
10005 (verify_eh_throw_table_statements): New function.
10006 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10008 * tree-optimize.c (execute_free_cfg_annotations): Verify
10009 the EH throw statement table after removing annotations.
10010 * except.h (verify_eh_throw_table_statements): Prototype.
10011 * tree-flow.h (bsi_remove): Update prototype.
10012 * tree-vrp.c (remove_range_assertions): Add new argument to
10014 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10015 * tree-complex.c (expand_complex_div_wide): Likewise.
10016 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10017 * tree-tailcall.c (eliminate_tailcall): Likewise.
10018 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10019 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10020 * tree-nrv.c (tree_nrv): Likewise.
10021 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10022 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10023 (combine_blocks): Likewise.
10024 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10025 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10026 (cleanup_control_flow): Likewise.
10027 (remove_forwarder_block): Likewise.
10028 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10029 * tree-sra.c (sra_replace): Likewise.
10030 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10031 (forward_propagate_single_use_vars): Likewise.
10032 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10033 * tree-inline.c (expand_call_inline): Likewise.
10034 * tree-vect-transform.c (vect_transform_loop): Likewise.
10035 * tree-outof-ssa.c (rewrite_trees): Likewise.
10036 * tree-cfg.c (make_goto_expr_edges): Likewise.
10037 (cleanup_dead_labels): Likewise.
10038 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10039 (bsi_move_before, bsi_move_after): Likewise.
10040 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10041 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10043 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10046 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10048 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10049 on non gimple variables. Also add checks at the top for decls and
10051 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10053 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10054 and IMAGPART_EXPR for creating MUST_DEFs.
10055 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10056 and NAME_MEMORY_TAG separately from the DECLs.
10058 2006-01-06 Richard Guenther <rguenther@suse.de>
10060 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10061 annotation, if necessary.
10062 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10063 redundant calls to update_stmt.
10064 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10067 2006-01-05 Richard Henderson <rth@redhat.com>
10069 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10071 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10073 * c-typeck.c: Update copyright date.
10075 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10077 * c-typeck.c (build_c_cast): Always warn when casting
10078 from a pointer to an integer of different size, even if
10079 the node was constant.
10081 2006-01-05 Richard Guenther <rguenther@suse.de>
10083 PR tree-optimization/22555
10084 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10085 if one structure field is an array.
10086 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10087 operands even if we found a subvar, but ignore VOPs in this
10089 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10091 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10093 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10095 PR middle-end/24998
10096 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10098 2006-01-05 Richard Guenther <rguenther@suse.de>
10099 Diego Novillo <dnovillo@redhat.com>
10101 * tree-pass.h (TODO_remove_unused_locals): Define.
10102 * gimple-low.c (expand_var_p, remove_useless_vars,
10103 pass_remove_useless_vars): Remove. Update all users.
10104 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10105 (remove_unused_locals): New function.
10106 * tree-flow.h (remove_unused_locals): Declare.
10107 * passes.c (execute_todo): Call remove_unused_locals if
10108 TODO_remove_unused_locals is set.
10109 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10110 * tree-ssa-dce.c (pass_dce): Likewise.
10111 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10113 2006-01-05 Richard Guenther <rguenther@suse.de>
10115 * tree-flow.h (struct fieldoff): Decompose field to
10116 type, size and decl.
10117 * tree-ssa-alias.c (create_sft): Take type as parameter.
10118 (create_overlap_variables_for): Store type, size and decl
10119 in the fieldoff structure.
10120 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10121 of struct fieldoff.
10122 (push_fields_onto_fieldstack): Likewise.
10123 (create_variable_info_for): Likewise. Use offset for the
10124 SFT name if the decl is not available.
10126 2006-01-04 Paul Brook <paul@codesourcery.com>
10128 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10130 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10132 * lambda-code.c (can_put_in_inner_loop): Relax
10134 (can_put_after_inner_loop): New function.
10135 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10136 (perfect_nestify): Change to make copies and modify uses.
10138 2006-01-04 Richard Henderson <rth@redhat.com>
10140 Merge from gomp branch:
10141 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10142 via integer constant.
10143 (pragma_lex): Remove.
10144 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10145 rather than parsing it.
10146 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10147 handle_pragma_extern_prefix): Add %< %> quotes.
10148 (registered_pragmas): New.
10149 (c_register_pragma_1): New.
10150 (c_register_pragma): Use it.
10151 (c_register_pragma_with_expansion): Likewise.
10152 (c_invoke_pragma_handler): New.
10153 (init_pragma): Use cpp_register_deferred_pragma directly for
10155 * c-pragma.h (enum pragma_kind): New.
10156 (pragma_handler): New.
10157 (c_invoke_pragma_handler): Declare.
10158 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10160 * c-common.h (c_common_pch_pragma): Update decl.
10161 * Makefile.in (c-parser.o): Update dependencies.
10162 (GTFILES): Add c-pragma.h.
10163 * c-parser.c (struct c_token): Add pragma_kind.
10164 (struct c_parser): Add in_pragma.
10165 (c_lex_one_token): Always initialize keyword and pragma_kind.
10166 Extract data for CPP_PRAGMA.
10167 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10168 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10169 Don't allow CPP_PRAGMA_EOL if in_pragma.
10170 (c_parser_consume_pragma): New.
10171 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10172 (c_parser_skip_to_end_of_parameter): Likewise.
10173 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10174 (c_parser_skip_to_pragma_eol): New.
10175 (c_parser_external_declaration): Handle CPP_PRAGMA.
10176 (c_parser_compound_statement_nostart): Likewise.
10177 (c_parser_statement_after_labels): Likewise.
10178 (c_parser_pragma): New.
10179 (pragma_lex): Likewise.
10180 (c_parser_pragma_pch_preprocess): New.
10181 (c_parser_new): Merge into ...
10182 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10184 2006-01-04 Jeff Law <law@redhat.com>
10187 * tree-cfg.c (bsi_replace): Remove the original statement
10188 from the EH throw statement table.
10190 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10192 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10193 make the prototype extern "C" and add throw ().
10196 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10197 and pos non-negative and pos + len <= 32.
10198 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10199 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10200 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10203 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10204 as well as sizes not multiple of component size.
10207 * function.c (instantiate_expr): New function.
10208 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10209 walk its DECL_VALUE_EXPR with instantiate_expr.
10211 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10212 DW_OP_deref{,_size} if address isn't going to be added.
10214 2006-01-04 Ben Elliston <bje@au.ibm.com>
10216 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10217 * config/fp-bit.c: Likewise.
10219 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10221 * dominance.c: Add comment about why we use DFS numbering
10224 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10225 Richard Henderson <rth@redhat.com>
10227 Merge from gomp-branch:
10228 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10229 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10231 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10233 PR rtl-optimization/25578
10234 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10235 pass a parameter to simplify_shift_const if changing ASHIFTRT
10238 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10240 * builtins.c (get_builtin_sync_mem): New function.
10241 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10242 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10243 Call get_builtin_sync_mem to generate mem rtx.
10245 2006-01-03 Richard Guenther <rguenther@suse.de>
10248 * stmt.c (add_case_node): Make sure to clear overflow flags
10251 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10253 Merge from gomp-branch.
10254 * config/sparc/sync.md: New file.
10255 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10256 UNSPECV_LDSTUB): New constants.
10257 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10258 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10259 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10262 2006-01-03 Roger Sayle <roger@eyesopen.com>
10264 * combine.c (reg_subword_p): New predicate to test whether the
10265 destination of a set refers to a subword/piece of a register.
10266 (try_combine): Generalize the code to merge the setting of a
10267 pseudo to a constant followed by a set of a subword of that
10268 register to a constant.
10270 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10272 * basic-block.h (control_flow_graph): Change the type of
10273 x_label_to_block_map to VEC(basic_block,gc) *.
10274 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10275 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10277 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10278 VEC(basic_block,heap) *.
10279 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10280 ssa_prop_fini): Adjust the uses of cfg_blocks.
10282 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10284 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10286 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10287 hashing trees instead of a pointer hash.
10288 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10289 compare for MEM_EXPR.
10291 PR rtl-optimization/25130
10292 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10293 when comparing MEMs for GCSE
10295 2006-01-03 Ben Elliston <bje@au.ibm.com>
10297 * targhooks.h (default_decimal_float_supported_p): Declare.
10298 * targhooks.c (default_decimal_float_supported_p): Define.
10299 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10300 `default_decimal_float_supported_p'.
10301 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10303 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10305 * combine.c (apply_distributive_law <SUBREG>): Check
10306 TRULY_NOOP_TRUNCATION.
10308 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10310 * dwarf2out.c (have_switched_text_section): Delete.
10311 (have_multiple_function_sections): New.
10312 (have_location_lists): Make 'bool'.
10313 (add_AT_loc_list): Use 'true' not '1'.
10314 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10315 (output_loc_list): Use have_multiple_function_sections.
10316 (output_ranges): Likewise.
10317 (dwarf2out_begin_function): Set have_multiple_function_sections if
10319 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10320 Check function_section rather than DECL_SECTION_NAME.
10321 (dwarf2out_finish): Use have_multiple_function_sections.
10322 Don't clear have_location_lists.
10324 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10325 Jan Hubicka <jh@suse.cz>
10327 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10328 case of conditional jump jumping to the next instruction.
10329 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10330 cases of conditional jump jumping to the next instruction.
10332 2006-01-02 Jan Hubicka <jh@suse.cz>
10334 * i386.c (*_cost): Add COSTS_N_INSNS.
10335 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10337 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10340 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10342 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10344 * config/arm/arm.c (all_fpus): Fix comment typo.
10345 * config/darwin.c: Likewise.
10346 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10347 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10348 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10350 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10352 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10353 (rs6000_split_compare_and_swapqhi): New.
10354 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10355 (sync_compare_and_swapqhi_internal): New.
10356 * config/rs6000/rs6000-protos.h: Declare.
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