1 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5 on statement list containing also constructors and destructors.
6 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9 * except.c (duplicate_eh_regions): Fix clearing of
10 cfun->eh->region_array entries.
12 2006-05-01 DJ Delorie <dj@redhat.com>
14 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
16 (gcc_cv_objdump): Likewise.
17 * configure: Regenerated.
19 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
22 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
23 templates for case 3 and 4.
25 2006-05-01 DJ Delorie <dj@redhat.com>
27 * vec.c: Include bconfig.h when appropriate.
28 * Makefile.in (build/vec.o): Adjust dependencies.
29 * mkconfig.sh: Make sure config.h isn't used for build machine
32 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
34 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
36 (mark_phi_for_rewrite): New function.
37 (insert_phi_nodes_for, mark_use_interesting): Call
39 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
40 (update_ssa): Initialize and free phis_to_rewrite.
42 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
44 PR rtl-optimization/27291
45 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
48 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
50 PR tree-optimization/27283
51 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
52 not whole # of iteration descriptions.
53 (niter_for_exit): Return just # of iterations. Fail if # of iterations
54 uses abnormal ssa name.
55 (niter_for_single_dom_exit): Ditto.
56 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
57 return just the number of iterations.
59 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
61 PR tree-optimization/27144
62 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
63 (record_estimate): Only record constant upper bound.
64 (infer_loop_bounds_from_undefined): Call
65 compute_estimated_nb_iterations just once.
66 (proved_non_wrapping_p): Renamed to ...
67 (n_of_executions_at_most): ... this. Expect bound to be a constant.
68 (convert_step_widening, scev_probably_wraps_p): Call
69 n_of_executions_at_most instead of proved_non_wrapping_p.
70 (substitute_in_loop_info): Do not replace values in bounds.
71 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
74 2006-05-01 Richard Henderson <rth@redhat.com>
77 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
78 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
81 2006-05-01 Roger Sayle <roger@eyesopen.com>
83 * c-typeck.c (parser_build_binary_op): Don't call the function
84 unsigned_conversion_warning to spot operand/result type overflow.
85 (build_binary_op): Instead, call convert_and_check instead of
86 convert to report the problem when the operands are promoted.
87 * c-common.c (unsigned_conversion_warning): Make static.
88 * c-common.h (unsigned_conversion_warning): Delete prototype.
90 2006-05-01 Richard Guenther <rguenther@suse.de>
92 PR tree-optimization/26726
93 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
95 (find_interesting_uses_address): ... we work around here
96 by folding INDIRECT_REFs in the substituted base.
98 2006-05-01 Diego Novillo <dnovillo@redhat.com>
100 * omp-low.c (dump_omp_region): Add newlines.
102 2006-04-30 Roger Sayle <roger@eyesopen.com>
104 * common.opt (Woverflow): New command line option.
105 * c-common.c (constant_expression_warning): Check warn_overflow.
106 (overflow_waring): Pass OPT_Woverflow to warning.
107 (unsigned_conversion_warning): Likewise.
108 (convert_and_check): Likewise.
109 * doc/invoke.texi: Document new command line option.
111 2006-04-30 David Edelsohn <edelsohn@gnu.org>
113 * config/rs6000/rs6000.c (rs6000_override_options): Enable
114 TARGET_NO_FP_IN_TOC for section anchors.
115 (optimization_options): Enable section anchors for all
116 non-"Objective" languages.
118 2006-04-28 Eric Christopher <echristo@apple.com>
120 * config/darwin-c.c (darwin_ms_struct): Move this
121 (darwin_set_default_type_attributes): and this...
122 * config/darwin.c: ... here.
123 * config/darwin.h (darwin_ms_struct): Declare.
125 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
127 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
129 2006-04-28 Roger Sayle <roger@eyesopen.com>
132 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
133 (push_array_bounds): Delete prototype. Change BOUNDS argument to
134 an unsigned HOST_WIDE_INT.
135 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
137 (really_start_incremental_init): No need to call convert because
138 bitsize_zero_node is already of type bitsizetype.
139 (push_init_level): Extract the value of constructor_index as an
140 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
141 (process_init_element): Likewise.
143 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
145 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
146 value before passing to make_relative_prefix.
148 2006-04-28 Alan Modra <amodra@bigpond.net.au>
151 * builtins.c (expand_builtin_memset): Expand val in original mode.
153 2006-04-27 Eric Christopher <echristo@apple.com>
155 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
157 * config/darwin-c.c (darwin_ms_struct): New.
158 (darwin_pragma_ms_struct): Ditto.
159 (darwin_set_default_type_attributes): Ditto.
160 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
161 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
162 Register ms_struct pragma.
163 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
164 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
165 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
166 darwin_set_default_type_attributes if TARGET_MACHO.
168 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
170 PR tree-optimization/26854
171 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
172 * doc/tree-ssa.texi: Update immuse iterator documentation.
173 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
174 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
175 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
176 first_safe_imm_use, next_safe_imm_use): Remove.
177 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
178 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
179 (move_use_after_head): New. Helper function to sort immuses in a stmt.
180 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
181 (first_imm_use_stmt): New. Get first stmt in an immuse list.
182 (next_imm_use_stmt): New. Get next stmt in an immuse list.
183 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
184 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
185 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
186 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
187 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
188 (perfect_nestify): Use new iterator.
189 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
191 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
192 (next_imm_name): New field in struct immediate_use_iterator_d.
193 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
194 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
195 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
196 * tree-cfg.c (replace_uses_by): Use new iterator.
197 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
198 * tree-ssa-operands.c (correct_use_link): Remove.
199 (finalize_ssa_use_ops): No longer call correct_use_link.
201 2006-04-27 Stuart Hastings <stuart@apple.com>
203 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
204 * config/t-darwin (crt3.o): Use it.
205 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
206 'pmode', use Pmode instead of SImode for SYMBOL_REF.
207 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
208 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
209 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
212 2006-04-27 Roger Sayle <roger@eyesopen.com>
214 * expmed.c (store_fixed_bit_field): If we're not optimizing for
215 size, force the intermediate into a new pseudo rather instead of
216 performing both a bitwise AND and a bitwise IOR in memory.
218 2006-04-27 Richard Guenther <rguenther@suse.de>
220 PR rtl-optimization/26685
221 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
222 this one "max-flow-memory-locations".
224 2006-04-27 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/25148
227 * tree-vrp.c (compare_values): Remove code dealing with
228 comparisons against type min/max value. Honour overflow
229 and negative constants in code dealing with comparisons
230 of plus and minus expressions.
231 (value_inside_range): Use fold_binary with LE_EXPR and
232 GE_EXPR rather than compare_values.
234 2006-04-27 Dirk Mueller <dmueller@suse.de>
236 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
239 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
241 * basic-block.h (safe_insert_insn_on_edge): Removed.
242 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
245 2006-04-26 David Edelsohn <edelsohn@gnu.org>
246 Paolo Bonzini <bonzini@gnu.org>
249 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
250 (simplify_and_const_int): Same.
252 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
254 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
256 2006-04-26 Jakub Jelinek <jakub@redhat.com>
259 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
260 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
261 cgraph_global_info_ready.
264 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
267 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
268 either decl or init is error_mark_node.
271 * tree-flow.h (struct omp_region): Add sched_kind.
272 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
273 instead of extracting omp for data.
274 (expand_omp_for): Save extracted sched_kind.
276 2006-04-25 Roger Sayle <roger@eyesopen.com>
278 * expmed.c (store_bit_field): Also check whether the bitsize is
279 valid for the machine's "insv" instruction before moving the
280 target into a pseudo for use with the insv.
281 * config/i386/predicates.md (const8_operand): New predicate.
282 * config/i386/i386.md (extv, extzv, insv): Use the new
283 const8_operand predicate where appropriate.
285 2006-04-25 DJ Delorie <dj@redhat.com>
287 * doc/install.texi (Specific): Clarify that this is not a list of
288 supported hosts or targets.
290 2006-04-25 Richard Sandiford <richard@codesourcery.com>
292 PR rtl-optimization/26725
293 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
294 block's BB_DIRTY flag.
296 2006-04-25 Geoffrey Keating <geoffk@apple.com>
298 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
301 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
304 2006-04-25 David Edelsohn <edelsohn@gnu.org>
306 * varasm.c (align_variable): New function.
307 (get_block_for_decl): Apply align_variable to DECL before
308 calculating section information.
309 (assemble_variable): Split out alignment computation.
311 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
313 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
316 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
318 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
319 MODE_PARTIAL_INT mode.
320 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
321 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
323 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
324 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
326 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
328 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
330 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
331 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
332 MACFLAG_IH): Likewise.
333 (movstricthi_1): Renamed from "*movstricthi".
334 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
335 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
336 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
337 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
338 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
339 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
340 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
341 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
342 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
343 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
344 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
345 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
346 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
347 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
348 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
350 * doc/rtl.texi (ss_ashift): Improve wording.
352 2006-04-24 Geoffrey Keating <geoffk@apple.com>
354 * dwarf2out.c (verify_marks_clear): New.
355 (prune_unused_types): Call verify_marks_clear initially, not
358 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
360 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
361 * doc/rtl.texi: Document them.
362 * simplify-rtx.c (simplify_unary_operation,
363 simplify_binary_operation_1): Don't abort when we see them.
365 2006-04-24 Mark Mitchell <mark@codesourcery.com>
368 2006-04-23 Mark Mitchell <mark@codesourcery.com>
369 * configure.ac: Completely disregard languages that are not
371 * configure: Regenerated.
373 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
374 Richard Guenther <rguenther@suse.de>
376 PR tree-optimization/27236
377 * tree-inline.c (copy_body_r): Make sure to copy
378 TREE_THIS_VOLATILE flag.
380 2006-04-24 Richard Guenther <rguenther@suse.de>
383 * tree-complex.c (update_parameter_components): Don't handle
384 unused parameters which have no default def.
386 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
387 Richard Guenther <rguenther@suse.de>
389 PR tree-optimization/27218
390 * tree-inline.c (expand_call_inline): Strip useless type
391 conversions for the return slot address.
393 2006-04-24 Richard Guenther <rguenther@suse.de>
395 * cfgloop.h (struct loops): Remove unused field array. Reorder
397 (LOOP_PREFETCH): Remove.
399 2006-04-24 Richard Guenther <rguenther@suse.de>
401 PR tree-optimization/22525
402 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
403 variable, adjust types of generated expressions.
405 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
407 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
408 (tree-vect-patterns.o): Likewise.
410 (cselib.o): Likewise.
411 (loop-doloop.o): Likewise.
412 (regclass.o): Likewise.
413 (reload1.o): Likewise.
414 (explow.o): Replace target.h with $(TARGET_H).
415 (ipa-prop.o): Likewise.
416 (ipa-cp.o): Likewise.
417 (ipa-inline.o): Likewise.
419 (reg-stack.o): Likewise.
421 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
423 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
425 2006-04-23 Mark Mitchell <mark@codesourcery.com>
427 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
429 * configure.ac: Completely disregard languages that are not
431 * configure: Regenerated.
434 * c-common.h (c_build_bitfield_integer_type): Declare.
435 * c-decl.c (c_build_bitfield_integer_type): Move to ...
436 * c-common.c (c_build_bitfield_integer_type): ... here.
438 2006-04-23 Roger Sayle <roger@eyesopen.com>
441 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
442 a SImode SUBREG of a floating point register after no_new_pseudos.
444 2006-04-23 Roger Sayle <roger@eyesopen.com>
446 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
447 identify potentially eliminable registers to additionally catch
448 VIRTUAL_INCOMING_ARGS_REGNUM.
449 (addsi3): Update the conditions on when to use addsi_small_int.
451 2006-04-23 Roger Sayle <roger@eyesopen.com>
454 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
455 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
456 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
458 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
460 * fold-const.c (range_predecessor): Use operand_equal_p
461 as the predicate for equality.
462 (range_successor): Likewise.
464 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
467 * config/soft-fp/op-common.h: Fix a typo.
469 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
472 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
473 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
475 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
477 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
479 * doc/tm.texi: Fix a typo.
481 2006-04-21 Geoffrey Keating <geoffk@apple.com>
483 * dwarf2out.c (struct die_struct): Document that die_sib makes
484 a circular linked list.
485 (FOR_EACH_CHILD): New.
486 (reverse_die_lists): Delete.
487 (reverse_all_dies): Delete.
488 (add_dwarf_attr): Correct documentation.
489 (remove_child_with_prev): New.
490 (remove_child_TAG): Update for change to die_struct, use
491 remove_child_with_prev.
492 (add_child_die): Update for change to die_struct.
493 (splice_child_die): Use remove_child_with_prev and add_child_die.
494 (print_die): Use FOR_EACH_CHILD.
495 (die_checksum): Likewise.
496 (assign_symbol_names): Likewise.
497 (output_location_lists): Likewise.
498 (build_abbrev_table): Likewise.
499 (calc_die_sizes): Likewise.
500 (mark_dies): Likewise.
501 (unmark_dies): Likewise.
502 (unmark_all_dies): Likewise.
503 (output_die): Likewise.
504 (prune_unused_types_mark): Likewise.
505 (prune_unused_types_walk): Likewise.
506 (same_die_p): Update for change to die_struct.
507 (break_out_includes): Likewise.
508 (prune_unused_types_prune): Likewise.
509 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
510 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
512 (dwarf2out_finish): Don't call reverse_all_dies.
514 2006-04-21 Eric Christopher <echristo@apple.com>
516 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
517 in comments and function names.
519 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
522 * c-typeck.c (digest_init): Robustify.
524 * c-typeck.c (pop_init_level): Simplify.
526 2006-04-21 Steve Ellcey <sje@cup.hp.com>
528 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
530 2006-04-21 Paul Brook <paul@codesourcery.com>
532 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
533 hardware floating point.
535 2006-04-21 David Edelsohn <edelsohn@gnu.org>
537 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
540 2006-04-21 Nick Clifton <nickc@redhat.com>
542 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
545 2006-04-21 Alan Modra <amodra@bigpond.net.au>
548 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
549 C++ lang type in traceback table for Objective-C++.
551 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
553 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
555 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
557 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
560 * tree-mudflap.c (mudflap_finish_file): Skip function when there
561 were errors. Remove check for erroneous objects.
563 2006-04-20 Jeff Law <law@redhat.com>
565 PR tree-optimization/26854
566 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
567 checking for zero or one use.
568 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
569 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
570 * tree-ssa-reassoc.c (negate_value): Similarly.
571 (reassociate_bb): Similarly.
573 2006-04-20 Jakub Jelinek <jakub@redhat.com>
575 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
576 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
577 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
579 2006-04-20 Alan Modra <amodra@bigpond.net.au>
581 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
582 fp regs if the last fp arg doesn't fit in regs.
584 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
587 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
588 that the last insn has the REG_INC note.
590 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
591 Nathan Sidwell <nathan@codesourcery.com>
594 * stor-layout.c (update_alignment_for_field): Do not align
596 (place_union_field): Place union field at the start of the union.
597 (place_field): Move ERROR_MARK check later, and use the current
598 allocation position to maintain monotonicity.
600 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
602 * dominance.c: Include timevar.h.
603 (calculate_dominance_info): Use TV_DOMINANCE.
604 * timevar.def (TV_DOMINANCE): New timevar.
605 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
607 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
609 PR rtl-optimization/14261
610 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
611 move would be an INSV insn.
612 (noce_process_if_block): Don't optimize if the destination is a
613 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
615 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
617 * config/s390/s390.md: Add comments with the instructions emitted
618 by an insn pattern if macros are used.
620 2006-04-19 Alan Modra <amodra@bigpond.net.au>
622 PR rtl-optimization/26026
623 * fold-const.c (fold_binary): Optimize div and mod where the divisor
624 is a known power of two shifted left a variable amount.
626 2006-04-18 Geoffrey Keating <geoffk@apple.com>
628 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
629 to hash table twice when the debug_str section has SECTION_MERGE.
631 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
633 * config/soft-fp: New directory. From glibc.
634 * config/soft-fp/t-softfp: New.
635 * config/soft-fp/README: New.
636 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
637 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
638 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
639 (LIBGCC_DEPS): Add $(SFP_MACHINE).
640 * config.gcc: Use rs6000/t-fprules-fpbit or
641 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
643 * config/rs6000/sfp-machine.h: New. Based on glibc.
644 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
646 * config/rs6000/t-fprules: Remove fp-bit rules.
647 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
648 * config/rs6000/t-linux64: Likewise. Remove duplicates from
649 LIB2FUNCS_EXTRA. Remove fp-bit rules.
650 (softfp_wrap_start, softfp_wrap_end): New.
652 2006-04-18 DJ Delorie <dj@redhat.com>
654 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
656 2006-04-18 Devang Patel <dpatel@apple.com>
658 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
660 2006-04-18 Nick Clifton <nickc@redhat.com>
662 * config/sh/t-symbian: Add rule to build sh-c.o
663 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
664 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
665 (sh_symbian_encode_section_info): Likewise.
667 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
669 * builtins.c (expand_builtin_strcmp): Cover label definition of
670 do_libcall with HAVE_cmpstrnsi.
672 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
674 * function.c (temp_slots_at_level, max_slot_level): Use VEC
676 * function.h (temp_slot_p): New.
677 (function): Change the type of x_used_temp_slots to
678 VEC(temp_slot_p,gc) *.
680 2006-04-18 Nick Clifton <nickc@redhat.com>
682 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
683 flag_strength_reduce.
685 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
687 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
691 Partial revert of revision 112637
692 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
693 Dale Johannesen <dalej@apple.com>
696 * regclass.c (struct reg_pref): Update documentation.
697 (regclass): Set prefclass to NO_REGS if memory is the best option.
698 (record_reg_classes): Cope with a prefclass set to NO_REGS.
700 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
702 PR tree-optimization/26821
703 * tree-ssa-math-opts.c (get_constant_one): New.
704 (insert_reciprocals): Use it.
706 2006-04-17 Geoffrey Keating <geoffk@apple.com>
708 * dwarf2out.c (free_AT): Delete.
709 (remove_AT): Update string ref counts.
710 (remove_child_TAG): Don't call free_die.
712 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
714 (prune_unused_types_walk_attribs): Reset string refcounts.
715 (prune_unused_types_update_strings): New.
716 (prune_unused_types_prune): Don't make unnecessary stores. Don't
717 call free_die. Do call prune_unused_types_update_strings.
718 (prune_unused_types): Empty debug_str_hash.
720 2006-04-17 Roger Sayle <roger@eyesopen.com>
722 * expr.c (expand_assignment): Optimize away no-op moves where the
723 source and destination are equal and have no side-effects.
725 2006-04-17 Richard Guenther <rguenther@suse.de>
728 * reload.c (push_reload): Guard calls to get_secondary_mem
731 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
733 * alias.c (reg_base_value, old_reg_base_value): Change the
734 type to VEC(rtx,gc) *.
735 (REG_BASE_VALUE, find_base_value, record_set,
736 init_alias_analysis): Use VEC instead of VARRAY.
738 * alias.c (alias_sets): Change the type to
739 VEC(alias_set_entry,gc) *.
740 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
741 VEC instead of VARRAY.
742 (last_alias_set): Remove.
744 * cgraph.h (cgraph_edge_p): New.
745 Update the prototype of cgraph_function_versioning.
746 * cgraphunit.c (cgraph_copy_node_for_versioning,
747 cgraph_function_versioning): Use VEC instead of VARRAY.
748 * ipa-cp.c (ipcp_insert_stage): Likewise.
750 2006-04-16 Roger Sayle <roger@eyesopen.com>
753 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
754 "A op B" or "A op C", we may need to convert A to the type of B and C.
756 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
758 * target.h (struct gcc_target): Add mode_rep_extended.
759 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
760 (init_num_sign_bit_copies_in_rep): Initialize it using
762 (truncate_to_mode): Use it.
763 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
764 * targhooks.h (default_mode_rep_extended): Declare it.
765 * targhooks.c (default_mode_rep_extended): Define it.
766 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
767 default_mode_rep_extended.
768 (TARGET_INITIALIZER): Include it.
769 * doc/tm.texi (Misc): Document it.
770 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
771 (mips_truncated_to_mode): New function.
773 2006-04-16 Roger Sayle <roger@eyesopen.com>
776 * expr.c (compress_float_constant): Copy the narrow constant into
777 a new pseudo before extending it to its final width.
779 2006-04-16 Roger Sayle <roger@eyesopen.com>
780 Andrew Pinski <pinskia@gcc.gnu.org>
781 Dale Johannesen <dalej@apple.com>
784 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
785 special case code to implement V8HImode and V16QImode with SSE2.
787 2006-04-15 Roger Sayle <roger@eyesopen.com>
789 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
790 trees are constructed with a suitable tree type.
792 2006-04-15 Roger Sayle <roger@eyesopen.com>
794 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
795 (integer_onep): Likewise.
796 (integer_all_onesp): Likewise.
797 (integer_pow2p): Likewise.
798 (integer_nonzerop): Likewise.
799 (real_zerop): Likewise.
800 (real_onep): Likewise.
801 (real_twop): Likewise.
802 (real_minus_onep): Likewise.
803 (int_size_in_bytes): Likewise.
804 (host_integerp): Likewise.
806 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
808 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
809 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
810 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
812 * tree-ssa-structalias.h (alias_info): Remove num_references.
814 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
816 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
817 (output_bvb patterns): Likewise.
818 * pa.c (output_bb): Use 'bb' insn for long branch case.
819 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
820 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
821 1. Correct length operand for alternatives 1 and 2.
822 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
823 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
825 2006-04-14 Roger Sayle <roger@eyesopen.com>
827 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
828 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
829 were accidentally reverted by r112959.
831 2006-04-15 Jakub Jelinek <jakub@redhat.com>
834 * except.h (eh_region_outermost): New prototype.
835 * except.c (eh_region_outermost): New function.
836 * tree-cfg.c (find_outermost_region_in_block): Use it.
838 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
840 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
842 * reload1.c (reg_equiv_memory_loc_varray): Rename to
843 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
844 (init_reload, reload): Use VEC instead of VARRAY.
845 * reload.h: Update the prototype for
846 reg_equiv_memory_loc_varray.
848 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
849 Eric Botcazou <ebotcazou@libertysurf.fr>
851 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
854 2005-04-13 Uros Bizjak <uros@kss-loka.si>
857 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
858 to expand fallback builtin function call.
860 2006-04-14 Alan Modra <amodra@bigpond.net.au>
863 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
864 and emit libcall here in case the builtin fails.
865 (expand_builtin_strcmp): Always emit the libcall here on failure.
867 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
869 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
870 * flow.c (reg_n_info): Change the type to
871 VEC(reg_info_p,heap) *.
872 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
874 * regs.h (reg_info_p): New.
875 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
876 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
877 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
880 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
882 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
884 * params.h (MAX_SCHED_READY_INSNS): New macro.
885 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
886 past MAX_SCHED_READY_INSNS during the first scheduling pass.
887 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
888 the ready list for 1 cycle during the first scheduling pass.
889 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
891 2006-04-13 Richard Henderson <rth@redhat.com>
894 * gimple-low.c (lower_omp_directive): Remove dead code.
895 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
896 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
897 * omp-low.c (struct omp_region): Move to tree-flow.h.
898 (root_omp_region): Export.
899 (omp_regions, lookup_omp_region): Remove.
900 (determine_parallel_type): Update for struct omp_region changes.
901 (dump_omp_region): Dump regions with block numbers.
902 (new_omp_region): Take type and block instead of stmt; malloc
904 (free_omp_region_1, free_omp_regions): New.
905 (expand_parallel_call): Take entry_stmt as argument; update for
906 changes to omp_region.
907 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
908 (remove_exit_barriers): New.
909 (expand_omp_parallel): Update for struct omp_region changes.
910 (expand_omp_synch): Likewise.
911 (expand_omp): Likewise.
912 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
913 (expand_omp_for_static_chunk): Likewise.
914 (expand_omp_for): Likewise.
915 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
916 (expand_omp_sections): Similarly, with GOMP_sections_end.
917 (expand_omp_single): New.
918 (build_omp_regions_1): Update for OMP_CONTINUE.
919 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
920 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
921 OMP_SECTIONS_SECTIONS.
922 (lower_omp_single_simple): Don't emit barrier here.
923 (lower_omp_single_copy): Likewise.
924 (lower_omp_single): Fix bindings, and lower to straightline now.
925 (lower_omp_master, lower_omp_ordered): Likewise.
926 (lower_omp_critical): Likewise.
927 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
928 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
929 omp edges, free it afterward.
930 (make_omp_sections_edges): Remove.
931 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
932 (move_stmt_r): Handle OMP_CONTINUE.
933 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
934 statement pointers to basic blocks. Add type member.
935 (root_omp_region, new_omp_region, free_omp_regions): Declare.
936 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
937 * tree-inline.c (estimate_num_insns_1): Likewise.
938 * tree-pretty-print.c (dump_generic_node): Likewise.
939 * tree-ssa-operands.c (get_expr_operands): Likewise.
940 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
941 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
943 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
944 (OMP_SECTIONS_SECTIONS): Remove.
945 (OMP_SECTION_LAST): New.
946 (OMP_RETURN_NOWAIT): New.
948 2006-04-13 Roger Sayle <roger@eyesopen.com>
950 * fold-const.c (native_encode_vector, native_interpret_real):
951 Correct obvious mistakes in the previous check-in.
953 2006-04-13 Roger Sayle <roger@eyesopen.com>
955 * fold-const.c (native_encode_expr): New function to encode
956 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
957 or VECTOR_CST into a specified buffer.
958 (native_encode_int): New function.
959 (native_encode_real): New function.
960 (native_encode_complex): New function.
961 (native_encode_vector): New function.
962 (native_interpret_expr): Inverse of native_encode_expr to convert
963 a target representation into an INTEGER_CST, REAL_CST etc...
964 (native_interpret_int): New function.
965 (native_interpret_real): New function.
966 (native_interpret_complex): New function.
967 (native_interpret_vector): New function.
968 (fold_view_convert_expr): New function to constant fold/evaluate
969 a VIEW_CONVERT_EXPR of a suitable constant expression.
970 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
971 Change call of build1 to fold_build1 when constructing a
974 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
975 Ulrich Weigand <uweigand@de.ibm.com>
978 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
981 2006-04-13 Alan Modra <amodra@bigpond.net.au>
984 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
985 optimize to lo_sum for DFmode if !TARGET_FPRS.
987 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
989 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
990 delete_alias_info, compute_flow_sensitive_aliasing,
991 group_aliases): Use VEC instead of VARRAY.
992 * tree-ssa-structalias.c (update_alias_info): Likewise.
993 * tree-ssa-structalias.h (alias_info): Change the type of
994 processed_ptrs to VEC(tree,heap) *.
996 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
999 * config/sh/lib1funcs.h: New file, broken out of:
1000 * config/sh/lib1funcs.asm.
1001 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1003 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1004 * config/sh/lib1funcs-Os-4-200.asm: New file.
1005 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1006 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1007 (EXTRA_MULTILIB_PARTS): Include it.
1008 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1009 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1010 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1011 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1014 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1016 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1017 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1018 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1020 * tree-ssa-live.h: Include vecprim.h.
1021 (tree_partition_associator_d): Change the type of
1022 first_partition to VEC(int,heap) *.
1023 (tpa_first_partition): Use VEC instead of VARRAY.
1025 * Makefile.in (GTFILES): Move functions.h after tree.h.
1026 * function.c (reset_block_changes, record_block_change,
1027 check_block_change, free_block_changes): Use VEC instead of
1029 * function.h (function): Change the type of
1030 ib_boundaries_block to VEC(tree,gc) *.
1031 * tree-inline.c (copy_cfg_body): Initialize
1032 ib_boundaries_block to NULL instead of (varray_type) 0.
1034 2006-04-12 Roger Sayle <roger@eyesopen.com>
1036 * expr.c (emit_group_store): Correct operand order in call to
1037 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1038 a SUBREG_BYTE of zero.
1040 2006-04-12 Richard Guenther <rguenther@suse.de>
1042 * profile.c (compute_branch_probabilities): Remove code
1043 encapsulated in !ir_type (), which are remanents of the
1044 removed RTL profiling code.
1045 * rtl-profile.c: Remove.
1047 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1049 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1050 magic NULL_RTX comment.
1051 (function_arg): Store entire fp arg to mem if any part should go
1053 (rs6000_arg_partial_bytes): Adjust for above change.
1055 2006-04-11 Roger Sayle <roger@eyesopen.com>
1057 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1058 if it hasn't been initialized by dwarf2out_init.
1060 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1062 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1063 symbolic constants in branch patterns.
1065 2006-04-11 Roger Sayle <roger@eyesopen.com>
1067 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1069 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1071 PR rtl-optimization/27073
1072 * gcse.c (try_replace_reg): Revert last change. Continue to search
1073 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1076 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1078 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1079 aggregate types other than record and union types.
1080 (function_arg): Likewise.
1081 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1083 (function_value): In 64-bit mode, return objects that require it
1086 2006-04-11 Roger Sayle <roger@eyesopen.com>
1088 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1090 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1092 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1094 2006-04-03 Jeff Law <law@redhat.com>
1097 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1098 alias information too.
1100 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1102 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1104 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1107 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1108 (premark_used_types_helper): New.
1109 (premark_used_types): New.
1110 (gen_subprogram_die): Call premark_used_types.
1111 (prune_unused_types_walk): Do not prune perennial dies.
1112 * function.c (used_types_insert): New.
1113 * function.h (struct function): Add used_types_hash field.
1114 (used_types_insert): Add prototype.
1115 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1116 * c-parser.c (c_parser_cast_expression): Save casted types in used
1119 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1122 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1123 rs6000_explicit_options.float_gprs.
1125 2006-04-10 Roger Sayle <roger@eyesopen.com>
1127 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1128 from ix86_expand_vector_init_low_nonzero. Take an additional
1129 one_var argument indicating which element is non-zero. Support
1130 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1131 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1132 with one_var instead of ix86_expand_vector_init_low_nonzero.
1134 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1136 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1137 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1138 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1139 build/genextract.o): Depend on vecprim.h.
1140 * cfglayout.c, df-problems.c, function.c, genextract.c,
1141 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1142 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1146 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1148 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1149 Declare VECs of this type.
1150 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1151 (remove_children): Delete.
1152 (add_dwarf_attr): Use VEC routines.
1153 (add_AT_flag): Update for changes to add_dwarf_attr.
1154 (add_AT_int): Likewise.
1155 (add_AT_unsigned): Likewise.
1156 (add_AT_long_long): Likewise.
1157 (add_AT_vec): Likewise.
1158 (add_AT_string): Likewise.
1159 (add_AT_die_ref): Likewise.
1160 (add_AT_fde_ref): Likewise.
1161 (add_AT_loc): Likewise.
1162 (add_AT_loc_list): Likewise.
1163 (add_AT_addr): Likewise.
1164 (add_AT_lbl_id): Likewise.
1165 (add_AT_lineptr): Likewise.
1166 (add_AT_macptr): Likewise.
1167 (add_AT_offset): Likewise.
1168 (add_AT_range_list): Likewise.
1169 (get_AT): Use VEC_iterate.
1170 (remove_AT): Use VEC_ordered_remove.
1171 (free_die): Fold remove_children into here; have it use VEC_iterate.
1172 (print_die): Use VEC_iterate on attrs.
1173 (reverse_die_lists): Don't reverse attr lists.
1174 (die_checksum): Use VEC_iterate on attrs.
1175 (same_die_p): Likewise.
1176 (output_location_lists): Likewise.
1177 (build_abbrev_table): Likewise.
1178 (size_of_die): Likewise.
1179 (unmark_all_dies): Likewise.
1180 (output_abbrev_section): Likewise.
1181 (output_die): Likewise.
1182 (prune_unused_types_walk_attribs): Likewise.
1184 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1186 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1188 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1191 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1193 2006-04-09 Roger Sayle <roger@eyesopen.com>
1195 * expr.c (store_constructor): Don't bother clearing target if
1196 we're about to assign a vector to it using vec_init_optab.
1198 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1200 * tree-ssa-alias.c (lhs_may_store_to): New function.
1201 (recalculate_used_alone): Handle LHS of calls.
1203 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1207 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1208 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1209 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1210 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1211 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1212 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1213 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1214 stubs. Add ".align 8" directives before all ".dword" directives.
1215 (GTHREAD_USE_WEAK): Revise comment.
1216 (TARGET_ATTRIBUTE_WEAK): Define.
1217 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1218 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1219 * stublib.c: New file.
1224 * pa.md (cbranch patterns): Revise arguments used in calls to
1225 output_cbranch, output_bb and output_bvd. Add long branch length
1227 (fbranch patterns): Handle long branches.
1228 (jump): Revise length check. Revise arguments for output_lbranch call.
1229 Add long branch length attributes.
1230 (decrement_and_branch_until_zero): Add long branch length attributes.
1231 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1232 Likewise. Revise arguments for output_parallel_addb and
1233 output_parallel_movb calls.
1234 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1235 output_parallel_movb and output_parallel_addb): Update prototypes.
1236 * pa.c (output_cbranch): Revise arguments. Correct handling of
1237 nullification in long branches.
1238 (output_lbranch): Add new argument to control extraction of delay
1240 (output_bb): Handle long branches.
1241 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1242 output_parallel_addb): Likewise.
1244 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1246 PR rtl-optimization/27073
1247 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1250 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1252 * tree.h (tree_memory_tag): Add old_used_alone.
1253 (SMT_OLD_USED_ALONE): New macro.
1254 * tree-ssa-alias.c (recalculate_used_alone): Stop
1255 marking things for renaming unnecessarily.
1257 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1259 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1260 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1261 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1262 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1263 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1264 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1265 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1266 spelling convensions.
1267 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1268 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1269 typos. Follow spelling conventions.
1271 2006-04-07 DJ Delorie <dj@redhat.com>
1273 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1274 passed on the stack.
1275 (m32c_init_cumulative_args): When a function returns a structure,
1276 always pass the pointer to that return area on the stack.
1277 (m32c_function_arg_advance): Don't increment the parameter number
1278 if we're processing the returned structure pointer.
1279 (pushm_info): Reverse order of registers.
1281 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1283 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1284 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1285 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1286 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1288 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1289 chrec_fold_multiply): Same.
1290 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1291 force_expr_to_var_cost): Same.
1292 * tree-mudflap.c (mf_xform_derefs_1): Same.
1293 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1295 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1297 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1298 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1301 2006-04-07 Jan Hubicka <jh@suse.cz>
1303 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1305 2006-04-07 Richard Guenther <rguenther@suse.de>
1307 PR tree-optimization/26135
1308 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1309 loads for store copy-prop.
1310 (copy_prop_visit_stmt): Likewise.
1312 2006-04-05 Robert Millan <robertmh@gnu.org>
1314 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1315 being overriden in config/k*bsd-gnu.h.
1316 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1318 * gcc/config/knetbsd-gnu.h: Ditto.
1320 2006-04-06 Jan Hubicka <jh@suse.cz>
1324 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1327 2006-04-06 Mike Stump <mrs@apple.com>
1329 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1330 for HAVE_nonlocal_goto to be consistent.
1331 (expand_builtin_nonlocal_goto): Likewise.
1332 (expand_builtin_strcmp): Use #ifdef instead of #if
1333 for HAVE_cmpstrnsi to be consistent.
1335 2006-04-05 DJ Delorie <dj@redhat.com>
1337 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1340 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1342 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1343 got-relative addressing for anything but SImode.
1345 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1346 even if the calling function doesn't modify them.
1348 2006-04-05 Richard Guenther <rguenther@suse.de>
1350 PR tree-optimization/26919
1351 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1352 to cgraph_estimate_size_after_inlining.
1354 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1356 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1358 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1360 PR tree-optimization/26996
1361 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1362 VECTOR_TYPE variables.
1364 2006-04-05 Richard Guenther <rguenther@suse.de>
1366 PR tree-optimization/26763
1367 * fold-const.c (fold_comparison): Move folding of
1368 PTR + CST CMP PTR + CST ...
1369 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1371 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1373 * doc/install.texi (Prerequisites): Refine some wording on
1374 bootstrapping and ksh.
1375 Move the version numbers of DejaGnu here from the testing section
1376 and fix casing of names.
1377 Fix markup and clarify wording for autogen requirements.
1378 Refer to GCJ instead of just java.
1379 Refer to SVN instead of CVS.
1380 Describe diffutils as useful instead of necessary.
1381 (Downloading the source): Refer to SVN instead of CVS.
1382 Adjust a link to our web site accordingly.
1383 (Configuration): Fix casing of Bison.
1384 (Building): Refer to SVN instead of CVS.
1385 Fix a sentence on the use of Bison and remove duplicate (and
1386 incorrect) version number of Bison requirement.
1387 Remove one redundant list of packages needed for building.
1388 (Specific): Avoid reference to CVS.
1390 2006-04-04 Eric Christopher <echristo@apple.com>
1392 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1393 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1394 (rs6000_handle_struct_attribute): New.
1395 (rs6000_ms_bitfield_layout_p): Ditto.
1397 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1399 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1400 NULL for dso parameter to atexit_common.
1402 2006-04-04 Eric Christopher <echristo@apple.com>
1404 * config/i386/i386.c (machopic_output_stub): Output \t
1405 between instructions and operands.
1407 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1409 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1410 satisfies_constraint_[IL] to explicit tests on value.
1412 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1414 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1415 set_nb_iterations_in_loop): Use build_int_cst instead of
1417 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1418 build_int_cst instead of convert.
1420 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1422 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1423 new value 2 for incoming.
1424 * function.c (expand_function_start): Call struct_value_rtx
1426 * config/sparc/sparc.md: Comment updated_return.
1427 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1428 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1429 struct return if sparc_std_struct_return and incoming is 2.
1430 (print_operand): Do not adjust return if
1431 sparc_std_struct_return.
1433 2006-04-04 Roger Sayle <roger@eyesopen.com>
1435 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1436 convert in the middle-end.
1437 * expr.c (store_expr, store_constructor, get_inner_reference,
1438 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1440 * tree.c (build_range_type): Likewise.
1442 2006-04-04 Tom Tromey <tromey@redhat.com>
1444 * doc/install.texi (Prerequisites): Mention jar.
1446 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1448 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1451 2006-04-04 Matthias Klose <doko@debian.org>
1453 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1454 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1457 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1459 * doc/extend.texi (Function Attributes): Rewrite visibility
1460 attribute documentation.
1461 * doc/invoke.texi (C++ Dialect Options): Rewrite
1462 -fvisibility-inlines-hidden documentation to describe something
1463 entirely different, although in practise compatible.
1464 (Code Gen Options): Warn about system headers in -fvisibiltity=
1467 * doc/extend.texi (Other Builtins): Document that
1468 __builtin_nan is a compile-time constant only when its argument
1471 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1473 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1474 trying to remove TRUNCATE check if all bits outside the new mode
1475 are identical to the sign bit.
1477 2006-04-03 Jeff Law <law@redhat.com>
1479 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1480 and operand scanning in some common cases.
1482 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1483 Dale Johannesen <dalej@apple.com>
1486 * regclass.c (struct reg_pref): Update documentation.
1487 (regclass): Set prefclass to NO_REGS if memory is the best option.
1488 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1489 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1490 into account. For non-registers, equate an empty preferred
1491 reload class to a `!' in the constraint; move the if clause to
1492 do so after those that reject the insn.
1493 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1495 (find_dummy_reload): Likewise.
1496 * doc/tm.texi (Register Classes): Document what it means
1497 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1498 * config/i386/i386.c (ix86_preferred_reload_class): Force
1499 using SSE registers (and return NO_REGS for floating-point
1500 constants) if math is done with SSE.
1501 (ix86_preferred_output_reload_class): New.
1502 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1503 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1504 * config/i386/i386.md: Remove # register preferences.
1506 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1509 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1510 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1511 the type of nb_iter.
1512 (instantiate_parameters_1): Convert the operands before calling
1513 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1514 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1516 2006-04-02 Roger Sayle <roger@eyesopen.com>
1518 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1519 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1521 * dojump.c (do_jump): Likewise.
1522 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1523 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1524 gimplify_boolean_expr): Likewise.
1525 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1526 * varasm.c (array_size_for_constructor): Likewise.
1527 * tree-object-size.c (compute_object_offset): Likewise.
1529 2006-04-02 Roger Sayle <roger@eyesopen.com>
1532 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1533 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1535 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1537 PR tree-optimization/26939
1538 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1540 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1542 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1543 at_stmt. Convert the type of operands before calling
1544 build_polynomial_chrec.
1545 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1547 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1548 (instantiate_parameters_1): Convert the type of operands before calling
1549 build_polynomial_chrec.
1550 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1551 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1552 reset_evolution_in_loop): Insert asserts to check the types of the
1554 (chrec_type): Moved...
1555 (eq_evolutions_p): Use operand_equal_p.
1556 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1557 the types of the operands.
1558 (chrec_type): ...here.
1559 * tree-data-ref.c (create_data_ref): Convert the operands before
1560 calling chrec_replace_initial_condition.
1561 (same_access_functions, analyze_subscript_affine_affine,
1562 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1563 (compute_subscript_distance, analyze_ziv_subscript,
1564 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1565 analyze_miv_subscript): Convert the operands before calling
1566 chrec_fold_minus or chrec_fold_plus.
1568 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1570 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1571 the dependence_relations vector.
1572 (compute_data_dependences_for_loop): Adjust call to
1573 compute_all_dependences.
1575 2006-04-01 Roger Sayle <roger@eyesopen.com>
1576 Richard Henderson <rth@redhat.com>
1578 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1579 gimple_boolify on the condition before calling gimplify_expr.
1581 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1583 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1584 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1585 the frame size. Update to use the new macros.
1586 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1587 * config/xtensa/ieee754-df.S: Likewise.
1589 2006-03-31 Richard Henderson <rth@redhat.com>
1591 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1592 (make_edges): ... here. Control fallthru creation with a local
1593 variable. Do not play with fake edges.
1594 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1595 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1598 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1600 * dwarf2.h (DW64_CIE_ID): Define.
1601 * dwarf2out.c (DWARF_CIE_ID): Define.
1602 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1603 length header. Use DWARF_CIE_ID.
1604 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1605 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1607 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1609 * config/sh/linux-atomic.asm: New file.
1610 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1612 2006-03-31 DJ Delorie <dj@redhat.com>
1614 * config/m32c/cond.md: Set condition flags properly throughout.
1615 * config/m32c/minmax.md: Likewise.
1616 * config/m32c/prologue.md: Likewise.
1617 * config/m32c/bitops.md: Likewise.
1618 * config/m32c/muldiv.md: Likewise.
1619 * config/m32c/mov.md: Likewise.
1620 * config/m32c/addsub.md: Likewise.
1621 * config/m32c/m32c.md: Likewise.
1622 * config/m32c/jump.md: Likewise.
1623 * config/m32c/shift.md: Likewise.
1625 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1626 conditionally output the pattern for this.
1627 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1628 (m32c_compare_redundant): New.
1629 (m32c_output_compare): New.
1630 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1632 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1633 dest, not src. Allow other 4-byte modes.
1635 2006-03-30 Denis Chertykov <denisc@overta.ru>
1637 * doc/md.texi: Refer to avr/constraints.md instead of
1640 2006-03-30 Roger Sayle <roger@eyesopen.com>
1642 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1643 signed vs. unsigned comparison failures on some hosts.
1645 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1648 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1649 change to FLOAT_REGS.
1651 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1652 (rs6000_override_options): Use it.
1653 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1654 only for -mabi=spe/no-spe and -mabi=altivec.
1656 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1658 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1661 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1663 * Makefile.in: Rename docdir to gcc_docdir.
1665 2006-03-30 Roger Sayle <roger@eyesopen.com>
1668 * expr.c (emit_group_store): Optimize group stores into a pseudo
1669 register by using a paradoxical subreg to initialize the destination
1670 if the first or last member of the group specifies a "low part".
1672 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1675 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1676 * target.h (struct gcc_target.speculate_insn): Change type of the
1677 second parameter to 'int'.
1678 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1679 the second operand of the DEPS_LIST.
1680 (copy_DEPS_LIST_list): Update reference to the second operand of the
1682 * rtl.h (alloc_DEPS_LIST): Update signature.
1683 * sched-int.h (ds_t): Change typedef to 'int'.
1684 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1686 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1688 * haifa-sched.c (try_ready): Change condition to restore
1689 non-speculative pattern of the instruction.
1690 (process_insn_depend_be_in_spec): Code to keep probability of the
1691 speculative dependence non-decreasing.
1693 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1695 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1696 (single_move_for_movmem): ... this. Also change all uses.
1697 (bfin_expand_strmov): Renamed to...
1698 (bfin_expand_movmem): ... this. Also change all uses.
1699 * config/bfin/bfin.md (movstrsi): Renamed to...
1700 (movstrsi): ...this.
1702 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1704 PR tree-optimization/26830
1706 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1707 (copy_prop_visit_stmt): Remove write-only variable ann.
1708 (init_copy_prop): Check variable loop depth here. Do not simulate
1709 memory-tag and virtual operand PHIs except for store copy prop.
1711 2006-03-30 Richard Guenther <rguenther@suse.de>
1713 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1714 variants with double arguments.
1716 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1718 * genpreds.c (write_tm_constrs_h): Delete variable p.
1719 * genconditions.c (write_header): Add tm-constrs.h to included
1721 * genpeep.c (main): Add toplev.h to included headers.
1722 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1723 (build/genpeep.o): Add toplev.h dependency.
1724 * config/rs6000/constraints.md: Add "W" constraint.
1726 2006-03-29 Roger Sayle <roger@eyesopen.com>
1728 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1729 sizes by correctly testing whether the size fits a host integer.
1730 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1731 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1732 SImode range for the default sizetype and bitsizetype.
1734 2006-03-29 Roger Sayle <roger@eyesopen.com>
1736 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1737 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1738 quickly if the argument is already of the correct type.
1739 Call fold_build1 instead of build1. Tidy up blank lines.
1741 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1743 * genemit.c (main): Add tm-constrs.h to included headers.
1744 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1745 * genpeep.c (main): Add tm-constrs.h to included headers.
1746 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1747 (write_tm_constrs_h): this and write complete file.
1748 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1749 (write_insn_preds_c): Add tm-constrs.h to included headers.
1750 (gen_constrs): New variable.
1751 (parse_option): Parse "-c".
1752 (main): Invoke write_tm_constrs_h.
1753 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1754 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1755 (object_out_file): Add tm-constrs.h dependency.
1756 (insn-emit.o): Same.
1757 (insn-output.o): Same.
1758 (insn-peep.o): Same.
1759 (insn-preds.o): Same.
1760 (insn-recog.o): Same.
1761 (tm-constsr.h): New target.
1762 (s-constrs-h): New target.
1764 * config/rs6000/constraints.md: New file.
1765 * config/rs6000/rs6000.c: Include tm-constrs.h.
1766 (num_insn_constant_wide): Convert to satisfies_constraint.
1767 (rs6000_rtx_costs): Convert to satisfies_constraint.
1768 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1769 (CONST_OK_FOR_LETTER_P): Delete.
1770 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1771 (EXTRA_CONSTRAINT): Delete.
1772 (EXTRA_MEMORY_CONSTRAINT): Delete.
1773 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1774 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1775 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1776 satisfies_constraint.
1778 * config/i386/i386.c: Include tm-constrs.h.
1780 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1782 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1783 * tree-data-ref.c (find_data_references_in_loop,
1784 compute_data_dependences_for_loop): Use pointers to VEC.
1785 (analyze_all_data_dependences): Adjust calls.
1786 * tree-data-ref.h (find_data_references_in_loop,
1787 compute_data_dependences_for_loop): Adjust declarations.
1788 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1789 compute_data_dependences_for_loop.
1791 2006-03-29 Paul Brook <paul@codesourcery.com>
1793 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1796 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1798 PR tree-optimization/26859
1799 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1801 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1802 for the step after fold_convert.
1804 2006-03-29 Paul Brook <paul@codesourcery.com>
1806 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1807 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1809 2006-03-29 Paul Brook <paul@codesourcery.com>
1812 * targhooks.c (default_narrow_bitfield): New fuction.
1813 * targhooks.h (default_narrow_bitfield): add prototype.
1814 * target.h (gcc_target): Add narrow_volatile_bitfield.
1815 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1816 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1817 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1818 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1820 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1822 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1824 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1825 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1826 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1827 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1828 (s390_function_arg_float): Allow SDmode and DDmode values to be
1829 passed in floating point registers.
1830 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1831 check with SCALAR_FLOAT_MODE_P.
1832 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1834 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1836 PR tree-optimization/25985
1837 * tree-ssa-loop-niter.c (number_of_iterations_le,
1838 number_of_iterations_ne): Make comments more precise.
1839 (number_of_iterations_cond): Add only_exit argument. Use the
1840 fact that signed variables do not overflow only when only_exit
1842 (loop_only_exit_p): New.
1843 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1844 number_of_iterations_cond.
1846 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1848 PR tree-optimization/26643
1849 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1852 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1854 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1855 (divsi3_i4_int): Likewise.
1857 2006-03-28 Roger Sayle <roger@eyesopen.com>
1859 * expr.c (emit_group_store): Only create a new pseudo reg if the
1860 quantity it needs to hold isn't already a suitable pseudo.
1862 2006-03-28 Jeff Law <law@redhat.com>
1864 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1865 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1867 2006-03-28 Roger Sayle <roger@eyesopen.com>
1869 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1870 the equivalent ~X & Y, and the symmetry related transformations.
1871 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1872 ~X & Y, and symmetry related transforms.
1874 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1876 Revert my 2006-03-27 patches.
1878 2006-03-28 Roger Sayle <roger@eyesopen.com>
1880 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1881 ~(T1)X, when T1 and T2 are integer types of the same precision
1882 and (T2)X isn't an extension.
1884 2006-03-28 Jeff Law <law@redhat.com>
1886 PR tree-optimization/26796
1887 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1888 need EH edge cleanups rather than purging them immediately.
1889 (eliminate_degenerate_phis): Handle queued EH cleanups.
1891 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1893 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1896 2006-03-27 Roger Sayle <roger@eyesopen.com>
1899 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1900 cast BIT_NOT_EXPR operand to the correct type.
1902 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1904 * tree-loop-linear.c: Don't include varray.h.
1905 (gather_interchange_stats, try_interchange_loops,
1906 linear_transform_loops): Use VEC instead of VARRAY.
1907 * lambda-mat.c: Don't include varray.h.
1908 * tree-chrec.c: Same.
1909 * lambda-trans.c: Same.
1910 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1911 VEC instead of VARRAY.
1912 * tree-vectorizer.h: Idem.
1913 * tree-data-ref.c (dump_data_references,
1914 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1915 initialize_data_dependence_relation, finalize_ddr_dependent,
1916 compute_all_dependences, find_data_references_in_loop,
1917 compute_data_dependences_for_loop, analyze_all_data_dependences,
1918 free_dependence_relation, free_dependence_relations,
1919 free_data_refs): Idem.
1920 * tree-data-ref.h (data_reference_p, subscript_p): New.
1921 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1922 VEC instead of VARRAY.
1923 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1924 (find_data_references_in_loop, compute_data_dependences_for_loop,
1925 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1926 dump_data_dependence_relations, free_dependence_relations,
1927 free_data_refs): Adjust declaration.
1928 (lambda_transform_legal_p): Move declaration here...
1929 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1930 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1931 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1932 vect_analyze_data_refs): Use VEC instead of VARRAY.
1933 * lambda.h (lambda_transform_legal_p): ...from here.
1934 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1935 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1936 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1937 tree-chrec.o): Don't depend on VARRAY_H.
1939 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1941 * rtl.def (Copyright): Update date.
1942 (DEPS_LIST): Change type of the second operand to 'int'.
1943 * target.h (Copyright): Update date.
1944 (struct gcc_target.speculate_insn): Change type of the second parameter
1946 * lists.c (Copyright): Update date.
1947 (alloc_DEPS_LIST): Change signature. Update reference to the second
1948 operand of the DEPS_LIST.
1949 (copy_DEPS_LIST_list): Update reference to the second operand of the
1951 * rtl.h (Copyright): Update date.
1952 (alloc_DEPS_LIST): Update signature.
1953 * sched-int.h (Copyright): Update date.
1954 (ds_t): Change typedef to 'int'.
1955 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1957 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1959 * haifa-sched.c (Copyright): Update date.
1960 (try_ready): Change condition to restore non-speculative pattern
1962 (process_insn_depend_be_in_spec): Code to keep probability of the
1963 speculative dependence non-decreasing.
1965 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1967 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1968 shut up the compiler.
1970 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1972 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1973 to use lib prefix for target.
1974 ($(T)libic_invalidate_array_4-200.a): Likewise.
1975 ($(T)libic_invalidate_array_4a.a): Likewise.
1977 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1978 J"orn Rennecke <joern.rennecke@st.com>
1980 * superh.opt: New file.
1981 * sh.c (boardtype, osruntime): Remove.
1982 * superh.h (SUBTARGET_OPTIONS): Remove.
1983 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1985 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1986 arguments with ^ and/or [].
1988 * config.gcc (sh-*-*): Add quoting to account for quirk of
1990 Replace == with = in enable_incomplete_targets test.
1992 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1993 with MASK_LITTLE_ENDIAN.
1995 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1996 * config/sh/sh.opt: Added to some comments.
1997 * config/sh/superh.h: Removed some chaff.
1999 * config/sh/sh.opt: Add m4-[1234]00* options.
2000 * config/sh/sh.c (sh_handle_option): Likewise.
2001 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2002 (ic_invalidate_array_4-100.o): New rule.
2003 ($(T)libic_invalidate_array_4-100.a): Likewise.
2004 (ic_invalidate_array_4-200.o): Likewise.
2005 ($(T)libic_invalidate_array_4-200.a): Likewise.
2006 (ic_invalidate_array_4a.o): Likewise.
2007 ($(T)libic_invalidate_array_4a.a): Likewise.
2008 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2009 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2011 * config/sh/crt1.asm: Merged in profiling code.
2012 * config/sh/superh.h (STARTFILE_SPEC): Override.
2013 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2014 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2015 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2017 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2018 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2019 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2021 * sh.opt (mpretend-cmove): New option.
2022 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2023 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2024 (movsicc): Add TARGET_PRETEND_CMOVE code.
2026 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2028 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2029 s390_class_max_nregs): New function prototypes.
2030 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2031 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2032 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2033 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2035 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2037 * dwarf2out.c (add_location_or_const_value_attribute): Call
2038 tree_add_const_value_attribute if nothing else works.
2039 (reference_to_unused): New.
2040 (rtl_for_decl_init): Use reference_to_unused to decide whether
2041 to output an initializer.
2043 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2046 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2047 peephole removing spe frob_di_df_2.
2049 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2051 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2052 (subscript_dependence_tester_1): Declared.
2053 (print_dir_vectors, print_dist_vectors): New.
2054 (debug_data_dependence_relation): New.
2055 (dump_data_dependence_relation): Print more details.
2056 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2057 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2058 (save_dist_v, save_dir_v, add_outer_distances,
2059 build_classic_dist_vector_1): New.
2060 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2061 Don't test for lambda_vector_lexico_pos.
2062 (same_access_functions, add_multivariate_self_dist,
2063 add_other_self_distances, dir_from_dist): New.
2064 (build_classic_dir_vector): Replace implementation almost identical to
2065 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2067 (subscript_dependence_tester_1): New.
2068 (subscript_dependence_tester): Handle the lexicographically negative
2069 distance vectors by recomputing the dependence relation.
2070 (compute_affine_dependence): Remove parameter loop_nest_depth.
2071 (compute_self_dependence): Don't call compute_subscript_distance.
2072 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2073 Add a parameter for the loop_nest.
2074 (find_loop_nest_1, find_loop_nest): New.
2075 (compute_data_dependences_for_loop): Compute the loop nest, and give
2076 up if the nest is not well formed.
2077 * tree-data-ref.h (loop_p): New.
2078 (struct data_dependence_relation): Replace size_vect field with
2079 loop_nest, a vec of loops.
2080 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2081 (DDR_LOOP_NEST): New.
2082 (print_dir_vectors, print_dist_vectors,
2083 debug_data_dependence_relation): Declared.
2084 (index_in_loop_nest): New.
2085 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2086 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2089 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2091 * simplify-rtx.c (simplify_relational_operation): Call
2092 simplify_relational_operation_1 even if mode is VOIDmode.
2094 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2096 PR tree-optimization/26804
2097 * tree.h (DECL_CALL_CLOBBERED): New macro.
2098 (tree_decl_common): Add call_clobbered_flag.
2099 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2100 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2101 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2102 (mark_non_addressable): Ditto.
2103 * tree-ssa.c (verify_call_clobbered): New function.
2104 (verify_alias_info): Use it.
2105 * tree-pass.h (pass_reset_cc_flags): New prototype.
2106 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2107 (reset_cc_flags): New function.
2108 * passes.c (init_optimization_passes): Call reset_cc_flags after
2109 initializing referenced_vars.
2111 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2112 Roger Sayle <roger@eyesopen.com>
2115 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2116 to 1.0 for non-real operands. Implement A / A optimization for
2119 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2121 * config/i386/i386.c (size_cost): Correct the comment for
2122 cost of storing fp registers.
2123 (i386_cost): Likewise.
2124 (i486_cost): Likewise.
2125 (pentium_cost): Likewise.
2126 (pentiumpro_cost): Likewise.
2127 (k6_cost): Likewise.
2128 (athlon_cost): Likewise.
2129 (k8_cost): Likewise.
2130 (pentium4_cost): Likewise.
2131 (nocona_cost): Likewise.
2132 (generic64_cost): Likewise.
2133 (generic32_cost): Likewise.
2135 2006-03-24 Denis Chertykov <denisc@overta.ru>
2137 * config/avr/avr-protos.h (extra_constraint): Delete.
2138 (extra_constraint_Q): New declaration.
2139 * config/avr/constraints.md: New file.
2140 * config/avr/avr.md: Include it.
2141 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2142 (TMP_REGNO, ZERO_REGNO): Likewise.
2143 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2144 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2145 (extra_constraint): Delete.
2146 (extra_constraint_Q): Test for memory constraint 'Q'.
2147 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2148 (REG_CLASS_FROM_LETTER): Delete.
2149 (CONST_OK_FOR_LETTER_P): Delete.
2150 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2151 (EXTRA_CONSTRAINT): Delete.
2152 (TMP_REGNO): Delete.
2153 (ZERO_REGNO): Delete.
2155 2006-03-24 Jeff Law <law@redhat.com>
2157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2158 directly. Call mark_new_vars_to_rename slightly earlier.
2160 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2162 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2164 (gen_compile_unit_die): Use new language types for Objective-C and
2166 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2167 DW_LANG_C_plus_plus.
2170 * config/t-darwin (crt3.o): Work around bug 26840.
2171 * config/darwin-crt3.c: Rewrite.
2172 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2174 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2176 * doc/invoke.texi: Document -femit-class-debug-always
2177 * common.opt: Add -femit-class-debug-always.
2179 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2181 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2182 index and base register.
2183 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2184 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2185 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2186 REGNO_OK_FOR_INDEX_P.
2187 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2189 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2190 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2191 REG_OK_FOR_BASE_P): Definitions removed.
2193 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2196 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2197 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2198 set yet or weren't marked as local yet.
2200 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2202 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2205 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2207 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2208 (rs6000_legitimate_small_data_p): Delete.
2209 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2210 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2211 and make static. Add forward declaration. Update uses.
2212 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2213 of offsettable_memref_p.
2214 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2215 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2217 2006-03-24 Jeff Law <law@redhat.com>
2219 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2220 around bug in immediate-use iterator.
2222 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2225 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2226 or __LITTLE_ENDIAN__.
2228 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2230 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2231 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2232 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2233 * config/sh/sh.opt (mdiv=): Amend description.
2234 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2235 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2236 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2237 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2238 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2239 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2240 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2241 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2242 TARGET_DIVIDE_CALL_FP.
2244 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2246 * haifa-sched.c (choose_ready): Fix type of the local variable.
2247 Move local variables. Add comment.
2248 (check_reg_live): Change signature. Make callable from debugger.
2249 * sched-int.h (check_reg_live): Update signature.
2250 * sched-ebb.c (check_reg_live): Update parameters.
2251 * sched-rgn.c (check_reg_live): Ditto.
2252 (region_head_or_leaf_p): Check pointer before dereferencing.
2253 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2254 before reload on optimization levels below 1.
2256 2006-03-23 Richard Henderson <rth@redhat.com>
2258 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2262 * config/alpha/predicates.md (local_symbolic_operand): Reject
2265 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2268 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2269 expressions which have overflowed constants.
2271 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2273 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2275 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2277 * cfgloopmanip.c (create_loop_notes): Removed.
2278 * final.c (final_scan_insn): Do not handle loop notes.
2279 * jump.c (squeeze_notes): Ditto.
2280 * cfglayout.c (skip_insns_after_block,
2281 duplicate_insn_chain): Ditto.
2282 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2284 * cfgloop.h (create_loop_notes): Declaration removed.
2286 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2288 * varasm.c (output_constant_pool): Restore fnname and fndecl
2290 (assemble_start_function): Adjust call accordingly.
2291 (assemble_end_function): Likewise.
2293 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2296 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2299 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2301 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2304 * system.h (ICE_EXIT_CODE): New macro.
2305 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2306 (diagnostic_action_after_output): Likewise.
2307 * gcc.c (fatal_ice): New function.
2308 (execute): Use it instead of fatal.
2309 (fancy_abort): Likewise.
2310 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2312 2006-03-22 Jeff Law <law@redhat.com>
2314 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2315 iv_analyze_result returning false.
2317 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2319 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2321 2006-03-22 Richard Henderson <rth@redhat.com>
2324 * except.c (duplicate_eh_regions_0): New.
2325 (duplicate_eh_region_1): Duplicate the children of the node as
2326 well as the node itself. Link them up properly.
2327 (duplicate_eh_region_2): Merge into ...
2328 (duplicate_eh_regions): ... here. Take copy_region argument, and
2329 copy only a sub-tree if asked. Simplify copying and fixup.
2330 (eh_region_outer_p): New.
2331 * except.h (duplicate_eh_regions): Update decl.
2332 (eh_region_outer_p): Declare.
2333 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2334 (lower_omp_master): Likewise.
2335 (lower_omp_ordered): Likewise.
2336 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2337 (move_stmt_r): Use it to remap labels. Handle recursion vs
2338 remap_decls_p properly.
2339 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2340 (find_outermost_region_in_block): New.
2341 (new_label_mapper): New.
2342 (move_sese_region_to_fn): Copy eh information to the new function
2344 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2346 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2349 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2351 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2352 into shared libraries.
2354 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2356 * doc/md.texi: Refer to i386/constraints.md instead of
2358 * config/i386/constraints.md: New file, extracted from...
2359 * config/i386/predicates.md: ...here.
2360 * config/i386/i386.md: Include constraints.md.
2362 2006-03-21 Jason Merrill <jason@redhat.com>
2364 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2367 * expr.c (init_block_move_fn): Force default visibility.
2368 (init_block_clear_fn): Likewise.
2369 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2370 * targhooks.c (default_external_stack_protect_fail): Likewise.
2372 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2374 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2375 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2376 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2377 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2378 (loadgp): Use mips_current_loadgp_style.
2379 (loadgp_noshared): New pattern.
2380 (sibcall_internal): Use MIPS_CALL.
2381 (sibcall_value_internal): Likewise.
2382 (sibcall_value_multiple_internal): Likewise.
2383 (call_internal): Likewise.
2384 (call_value_internal): Likewise.
2385 (call_value_multiple_internal): Likewise.
2386 (call_split): Use MIPS_CALL and add an 'S' constraint.
2387 (call_value_split): Likewise.
2388 (call_value_multiple_split): Likewise.
2389 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2390 (-mshared): New option.
2391 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2392 (mips_current_loadgp_style): Declare.
2393 * config/mips/mips.c (mips_classify_symbol): Avoid using
2394 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2395 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2396 TARGET_ABSOLUTE_ABICALLS.
2397 (override_options): Adjust comments. Improve the warning that is
2398 issued when -mabicalls and -G are used together.
2399 (mips_file_start): Remove comment.
2400 (mips_current_loadgp_style): New function.
2401 (mips_gnu_local_gp): New variable.
2402 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2404 (mips_output_function_prologue): Use mips_current_laodgp_style.
2405 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2406 the cprestore instruction.
2407 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2408 live for TARGET_ABSOLUTE_ABICALLS.
2409 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2410 (ASM_SPEC): Pass down -mshared and -mno-shared.
2411 (MIPS_CALL): New macro.
2412 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2414 * doc/invoke.texi (-mabicalls): Update documentation.
2415 (-mshared): Document.
2417 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2419 * config/ia64/unwind-hpux.c: New file.
2420 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2422 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2425 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2427 2006-03-21 Jeff Law <law@redhat.com>
2429 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2430 type conversions of a VR_VARYING source to a wider type.
2432 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2434 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2435 tm_file on Solaris 10 and later.
2436 (sparc64-*-solaris2*): Likewise.
2437 (sparc-*-solaris2*): Likewise.
2438 * config/sol26.h: Rename to config/sol2-6.h.
2439 * config/sol2-10.h: New file.
2441 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2444 * tree-ssa-pre.c (create_component_ref_by_pieces):
2447 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2450 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2451 return it immediately.
2453 2006-03-21 Michael Matz <matz@suse.de>
2455 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2457 (remove_arc, add_arc): Update num_out_arcs member.
2458 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2460 (cache_presence): New function.
2461 (compare_states_for_equiv): New function.
2462 (state_is_differed): Don't take number of outargs, adjust callers.
2463 Use new invariant for speeding up.
2464 (init_equiv_class): Create initial classes based on sorted
2466 (partition_equiv_class): Don't track out_arcs_num.
2467 (evaluate_equiv_classes): Call cache_presence on all states and
2470 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2472 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2473 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2474 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2475 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2477 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2478 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2479 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2480 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2481 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2483 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2484 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2485 (REGNO_REG_CLASS): ARGP is in PREGS.
2486 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2488 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2489 to deal with those addresses.
2490 * addresses.h: New file.
2491 * caller-save.c: Include "addresses.h".
2492 (init_caller_save): Use new base_reg_class function.
2493 * rtl-factoring.c: Include "addresses.h".
2494 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2495 * recog.c: Include "addresses.h".
2496 (preprocess_constraints): Use new base_reg_class function.
2497 * regrename.c: Include "addresses.h".
2498 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2499 functions. Keep track of a new var INDEX_CODE to compute valid
2501 (replace_oldest_value_addr): Likewise.
2502 (replace_oldest_value_mem): Use base_reg_class.
2503 * reload.c: Include "addresses.h".
2504 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2505 (find_reloads): Use new base_reg_class function.
2506 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2507 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2508 all callers and prototype changed.
2509 * reload1.c: Include "addresses.h".
2510 (maybe_fix_stack_asms): Use base_reg_class.
2511 * regclass.c: Include "addresses.h".
2512 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2513 (init_reg_autoinc): Use new base_reg_class function.
2514 (record_reg_classes): Likewise.
2515 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2516 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2517 Use new args to compute necessary class.
2519 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2520 regrename.o, rtl-factoring.o): Update dependencies.
2521 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2522 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2523 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2524 REG_OK_FOR_INDEX_P): Delete documentation.
2526 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2528 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2529 from V7 to V9 for Solaris 7 and above.
2531 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2533 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2534 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2535 argument pointers may not alias any other storage.
2536 * common.opt: Define option -fargument-noalias-anything.
2537 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2538 alias semantics is specified by flag_argument_noalias > 2.
2540 2006-03-20 Jeff Law <law@redhat.com>
2542 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2543 (pass_phi_only_cprop): Declare.
2544 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2546 * tree-ssa-dom.c (degenerate_phi_result): New function.
2547 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2548 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2549 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2550 (eliminate_degenerate_phis): Likewise.
2551 (pass_phi_only_cprop): New pass descriptor.
2552 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2553 support code. Callers updated.
2554 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2555 (store_copy_prop): Likewise.
2556 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2558 2006-03-20 Jason Merrill <jason@redhat.com>
2561 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2562 (push_visibility, pop_visibility): Likewise.
2563 * c-pragma.h: Declare them.
2565 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2567 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2569 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2570 parameter and use get_ebb_head_tail.
2571 (sh_md_init_global): Adjust uses of find_regmode_weight.
2573 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2575 * function.h (struct function) <x_tail_recursion_reentry>:
2576 Rename to x_stack_check_probe_note.
2577 (tail_recursion_reentry): Rename to stack_check_probe_note.
2578 * function.c: Replace tail_recursion_reentry with
2579 stack_check_probe_note everywhere.
2580 (expand_function_start): Only emit a note for
2581 stack_check_probe_note with -fstack-protect.
2582 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2584 * emit-rtl.c (remove_unnecessary_notes): Remove.
2585 (pass_remove_unnecessary_notes): Remove.
2586 * rtl.h (remove_unnecessary_notes): Remove prototype.
2587 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2588 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2589 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2591 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2594 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2595 (valid_in_set): Handle ARRAY_REF.
2596 Change "if min_variant or VH" to asserts.
2597 (create_component_ref_by_pieces): Handle ARRAY_REF.
2598 (create_expression_by_pieces): Likewise.
2599 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2601 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2603 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2604 is operand of switch, not str[0].
2606 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2608 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2609 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2611 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2613 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2614 end of insn_extra_address_constraint declaration.
2616 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2618 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2619 (no-sum-in-toc): Same.
2620 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2622 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2623 NO_FP_IN_TOC for -fPIC instead of mask.
2625 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2626 (BOOT_LDFLAGS): Delete.
2628 * config/rs6000/t-aix52: Same.
2630 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2631 (stmsi[345678]_power): New.
2633 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2635 * config/ia64/ia64.opt: Add empty line to end of file.
2637 2006-03-17 Richard Guenther <rguenther@suse.de>
2640 * builtins.c (get_pointer_alignment): For component style references
2641 adjust alignment to the component type alignment. Make sure
2642 to adjust alignment for component access of constants.
2644 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2646 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2649 2006-03-17 Paul Brook <paul@codesourcery.com>
2651 * doc/install.texi: Docuemnt --with-mode.
2652 * config.gcc: Add --with-mode for arm*-*-*.
2653 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2655 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2657 * sh.c (max_labelno_before_reorg): New variable.
2658 (sh_reorg): Initialize it.
2659 (find_barrier): Check max_labelno_before_reorg before using
2660 label_to_alignment. Take length of explicit alignment insns
2661 into account. When seeing a UNSPECV_CONST_END, return it.
2663 * sh.c (fixup_mova): Set mode of affected label to QImode.
2664 (untangle_mova): New function.
2665 (find_barrier): Use it. Check mode of label before decrementing
2667 (sh_reorg): Likewise.
2668 Set mode of all insns back to VOIDmode.
2670 * sh.c (MOVA_LABELREF): New macro.
2671 (mova_p, fixup_mova, sh_reorg): Use it.
2672 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2673 ADDR_DIFF_VEC matches mova.
2675 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2677 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2678 with ATTRIBUTE_UNUSED.
2680 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2682 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2683 pointer, instead of assuming it is possible to derive the
2684 correct args size from a call insn.
2686 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2688 * rtl.h (CONST_INT_P): Define.
2689 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2690 instead of GET_CODE(x) == CONST_INT.
2691 (vax_rtx_costs): Likewise.
2692 (vax_output_int_move): Likewise.
2693 (vax_output_int_add): Likewise.
2694 (legitimate_constant_address_p): Likewise.
2695 (index_term_p): Likewise.
2696 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2697 * config/vax/vax.md (and<mode>3): Likewise.
2698 (ashrsi3): Likewise.
2700 (movstricthi): Likewise.
2701 (movstrictqi): Likewise.
2702 (rotrsi3): Likewise.
2703 (five unnamed insns): Likewise.
2705 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2707 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2708 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2709 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2710 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2711 Pass to ASM_OUTPUT_DWARF_OFFSET.
2712 * dwarf2out.c (debug_frame_section): New.
2713 (output_call_frame_info): Use debug_frame_section. Pass it to
2714 dw2_asm_output_offset.
2715 (output_die): Pass appropriate section to dw2_asm_output_offset.
2716 (output_compilation_unit_header): Likewise.
2717 (output_pubnames): Likewise.
2718 (output_aranges): Likewise.
2719 (enum dw_val_class): Break dw_val_class_lbl_offset into
2720 dw_val_class_lineptr and dw_val_class_macptr.
2721 (add_AT_lbl_offset): Delete.
2722 (add_AT_lineptr): New.
2723 (add_AT_macptr): New.
2724 (AT_lbl): Expect a lineptr or macptr.
2725 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2726 (attr_checksum): Likewise.
2727 (same_dw_val_p): Likewise.
2728 (size_of_die): Likewise.
2729 (value_format): Likewise.
2730 (output_die): Likewise.
2731 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2733 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2734 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2735 * config/darwin-protos.h (darwin_file_start): New.
2736 (darwin_asm_output_dwarf_offset): New.
2737 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2738 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2740 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2741 if not EH section; simplify.
2742 (darwin_file_start): New.
2743 (darwin_asm_output_dwarf_offset): New.
2744 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2746 (DEBUG_INFO_SECTION): Likewise.
2747 (DEBUG_ABBREV_SECTION): Likewise.
2748 (DEBUG_ARANGES_SECTION): Likewise.
2749 (DEBUG_MACINFO_SECTION): Likewise.
2750 (DEBUG_LINE_SECTION): Likewise.
2751 (DEBUG_LOC_SECTION): Likewise.
2752 (DEBUG_PUBNAMES_SECTION): Likewise.
2753 (DEBUG_STR_SECTION): Likewise.
2754 (DEBUG_RANGES_SECTION): Likewise.
2755 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2756 (ASM_OUTPUT_DWARF_OFFSET): New.
2758 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2760 * config.gcc (tm_defines): Always add to previous value rather
2763 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2765 * config/mips/predicates.md (splittable_const_int_operand): New,
2766 split from move_operand.
2767 (splittable_symbolic_operand): New.
2768 (move_operand): Add commentary. Use splittable_const_int_operand.
2769 Inline mips_atomic_symbolic_constant_p.
2770 * config/mips/mips.md: Add combine splitters for handling moves
2771 of splittable_const_int_operands and splittable_symbolic_operands.
2772 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2773 (mips_split_symbol): Declare.
2774 (mips_move_integer): Declare.
2775 * config/mips/mips.c (mips_split_p): Make global.
2776 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2777 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2778 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2779 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2780 (mips_offset_within_object_p): Handle block symbols.
2781 (mips_atomic_symbolic_constant_p): Delete.
2782 (mips_cannot_force_const_mem): Return false for constants that
2783 mips_legitimize_move can handle.
2784 (mips_use_blocks_for_constant_p): New function.
2785 (mips_split_symbol): Make global.
2786 (mips_move_integer): Likewise. Add a temporary register argument.
2787 (mips_legitimize_const_move): Use splittable_const_int_operand and
2788 splittable_symbolic_operand.
2789 (mips_use_anchors_for_symbol_p): New function.
2790 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2791 (mips_split_p): Declare.
2793 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2795 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2796 (mips*-*-linux*): Likewise.
2798 2006-03-16 Roger Sayle <roger@eyesopen.com>
2799 Daniel Speyer <dspeyer@wam.umd.edu>
2802 * tree-dump.c (dump_real): New function.
2803 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2804 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2805 (tree-dump.o): Add $(REAL_H) to the dependencies.
2807 2006-03-16 Roger Sayle <roger@eyesopen.com>
2810 * real.c (real_from_string): If the mantissa is zero, don't bother
2811 parsing the exponent as the result should always be zero.
2813 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2815 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2817 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2819 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2820 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2821 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2822 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2823 ia64_sched_finish_global): New static functions to implement
2824 hooks from gcc_target.sched.
2825 (spec_check_no, max_uid, pending_data_specs): New static variables.
2826 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2827 ia64_spec_check_src_p): New static functions.
2828 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2829 (TARGET_SCHED_ADJUST_COST): Removed.
2830 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2831 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2832 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2833 TARGET_SCHED_GEN_CHECK,
2834 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2835 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2836 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2837 Fixed to handle speculation checks.
2838 (rtx_needs_barrier): Fixed to handle speculative loads and
2840 (ia64_variable_issue): Added code to count speculative loads and their
2842 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2844 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2846 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2848 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2849 (ia64_reorg): Reset stops_p to NULL after it is freed.
2850 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2851 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2852 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2854 (data_speculative, control_speculative, check_load): New attributes.
2855 (mov<mode>_advanced, mov<mode>_speculative,
2856 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2857 zero_extend<mode>di2_speculative,
2858 zero_extend<mode>di2_speculative_advanced): New patterns for
2859 data and control speculative loads.
2860 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2862 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2863 New pattern for data and control speculation checks.
2864 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2865 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2866 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2867 Auxiliary definitions for the patterns.
2868 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2869 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2871 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2873 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2874 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2875 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2876 New resource constraints.
2877 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2879 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2880 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2881 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2882 msched-in-control-spec, msched-ldc, msched-control-ldc,
2883 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2884 msched-prefer-non-control-spec-insns,
2885 msched-count-spec-in-critical-path): New flags to tune speculative
2887 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2888 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2889 msched-in-control-spec, msched-ldc, msched-control-ldc,
2890 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2891 msched-prefer-non-control-spec-insns,
2892 msched-count-spec-in-critical-path): Document new flags.
2894 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2896 * target.h (struct spec_info_def): New opaque declaration.
2897 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2898 speculate_insn, needs_block_p, gen_check,
2899 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2900 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2901 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2902 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2903 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2904 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2906 (TARGET_SCHED): Use new macros.
2907 * rtl.h (copy_DEPS_LIST_list): New prototype.
2908 * sched-int.h (struct sched_info): Change signature of new_ready field,
2909 adjust all initializations. New fields: add_remove_insn,
2910 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2911 region_head_or_leaf_p.
2912 (struct spec_info_def): New structure declaration.
2913 (spec_info_t): New typedef.
2914 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2915 recovery_block, orig_pat.
2916 (glat_start, glat_end): New variables declaraions.
2917 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2919 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2920 DETACH_LIFE_INFO, USE_GLAT.
2921 (enum SPEC_SCHED_FLAGS): New enumeration.
2922 (NOTE_NOTE_BB_P): New macro.
2923 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2924 attach_life_info, debug_spec_status, check_reg_live): New functions.
2925 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2926 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2928 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2929 * ddg.c (get_block_head_tail): Adjust all uses.
2930 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2931 (sms_sched_info): Initialize new fields.
2932 (contributes_to_priority): Removed.
2933 * haifa-sched.c (params.h): New include.
2934 (get_block_head_tail): Adjust all uses.
2935 (ISSUE_POINTS): New macro.
2936 (glat_start, glat_end): New global variables.
2937 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2938 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2939 old_last_basic_block, before_recovery, current_sched_info_var,
2940 rgn_n_insns, luid): New static variables.
2941 (insn_cost1): New function. Move logic from insn_cost to here.
2942 (find_insn_reg_weight1): New function. Move logic from
2943 find_insn_reg_weight to here.
2944 (reemit_notes, move_insn, max_issue): Change signature.
2945 (move_insn1): Removed.
2946 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2947 extend_bb): New static functions to support extension of scheduler's
2949 (generate_recovery_code, process_insn_depend_be_in_spec,
2950 begin_speculative_block, add_to_speculative_block,
2951 init_before_recovery, create_recovery_block, create_check_block_twin,
2952 fix_recovery_deps): New static functions to support
2953 generation of recovery code.
2954 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2955 restore_bb_notes, move_block_after_check, move_succs): New static
2956 functions to support ebb scheduling.
2957 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2958 functions to support handling of register live information.
2959 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2960 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2961 add_jump_dependencies): New static functions.
2962 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2963 consistancy checking.
2964 (debug_spec_status): New function to call from debugger.
2965 (priority): Added code to handle speculation checks.
2966 (rank_for_schedule): Added code to distinguish speculative instructions.
2967 (schedule_insn): Added code to handle speculation checks.
2968 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2969 Fixed to handle ebbs.
2970 (move_insn): Added code to handle ebb scheduling.
2971 (max_issue): Added code to use ISSUE_POINTS of instructions.
2972 (choose_ready): Added code to choose between speculative and
2973 non-speculative instructions.
2974 (schedule_block): Added code to handle ebb scheduling and scheduling of
2975 speculative instructions.
2976 (sched_init): Initialize new variables.
2977 (sched_finish): Free new variables. Print statistics.
2978 (try_ready): Added code to handle speculative instructions.
2979 * lists.c (copy_DEPS_LIST_list): New function.
2980 * sched-deps.c (extend_dependency_caches): New function. Move logic
2981 from create_dependency_caches to here.
2982 (get_dep_weak, ds_merge): Make global.
2983 * genattr.c (main): Code to output prototype for
2984 dfa_clear_single_insn_cache.
2985 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2986 (output_dfa_clean_insn_cache_func): Code to output
2987 dfa_clear_single_insn_cache function.
2988 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2990 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2992 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2993 New static variables.
2994 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2995 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2997 (ebb_sched_info): Initialize new fields.
2998 (get_block_head_tail): Adjust all uses.
2999 (compute_jump_reg_dependencies): Fixed to use glat_start.
3000 (schedule_ebb): Code to remove unreachable last block.
3001 (schedule_ebbs): Added code to update register live information.
3002 * sched-rgn.c (region_sched_info): Initialize new fields.
3003 (get_block_head_tail): Adjust all uses.
3004 (last_was_jump): Removed. Adjust users.
3005 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3006 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3007 Implement new hooks.
3008 (check_dead_notes1): New static function.
3009 (struct region): New fields: dont_calc_deps, has_real_ebb.
3010 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3011 (BB_TO_BLOCK): Fixed to handle EBBs.
3012 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3013 (ebb_head): New static variable.
3014 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3015 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3017 (compute_dom_prob_ps): New assertion.
3018 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3019 global_live_at_start.
3020 (init_ready_list): New assertions.
3021 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3022 (new_ready): Add support for BEGIN_CONTROL speculation.
3023 (schedule_insns): Fixed code that updates register live information
3025 (schedule_region): Fixed to handle EBBs.
3026 (init_regions): Use extend_regions and check_dead_notes1.
3027 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3028 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3029 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3030 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3031 TARGET_SCHED_GEN_CHECK,
3032 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3033 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3034 * doc/invoke.texi (max-sched-insn-conflict-delay,
3035 sched-spec-prob-cutoff): Document.
3037 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3039 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3040 inter_tick, queue_index.
3041 (struct sched_info): Change signature of init_ready_list field.
3042 Adjust all initializations.
3043 (RESOLVED_DEPS): New access macro.
3044 (ready_add): Remove prototype.
3045 (try_ready): Add prototype.
3046 * sched-rgn.c (init_ready_list): Use try_ready.
3047 (schedule_region): Initialize
3048 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3049 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3050 (init_ready_list): Use try_ready.
3051 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3052 * lists.c (remove_list_elem): Remove `static'.
3053 (remove_free_INSN_LIST_elem): New function.
3054 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3055 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3056 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3058 (readyp): New variable.
3059 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3060 change_queue_index, resolve_dep): New static functions.
3061 (try_ready): New function. Adjust callers in sched-rgn.c and
3062 sched-ebb.c to use it instead of ready_add.
3063 (clock_var): Move at the begining of file.
3064 (rank_for_schedule): Fix typo.
3065 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3066 (ready_lastpos): Enforce assertion.
3067 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3069 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3070 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3071 (queue_to_ready): Use free_INSN_LIST_list.
3072 (early_queue_to_ready): Fix typo.
3073 (schedule_block): Init readyp. Move init_ready_list call after the
3074 initialization of clock_var. Fix error in rejecting insn by
3075 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3076 that previously corrected INSN_TICKs. Add code for handling
3078 (set_priorities): Fix typo.
3079 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3080 Clarify comment and code that keeps current_sched_info->next_tail
3083 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3085 * sched-rgn.c (extend_rgns): New static function.
3086 (find_rgns): Use it.
3087 (gather_region_statistics, print_region_statistics): New static
3089 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3090 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3092 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3093 Andrey Belevantsev <abel@ispras.ru>
3095 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3096 * lists.c (unused_deps_list): New variable.
3097 (free_list): Add assertions to verify the proper distinguishing
3098 between INSN_LISTs and DEPS_LISTs.
3099 (find_list_elem, remove_list_elem, remove_list_node): New static
3101 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3102 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3103 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3104 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3106 (free_INSN_LIST_node): Likewise.
3107 * modulo-sched.c (current_sched_info): Initialize flags field.
3108 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3109 * rtl.def (DEPS_LIST): Define.
3110 * rtl.h: Declare new functions from lists.c.
3111 * sched-deps.c (spec_dependency_cache): New static variable.
3112 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3113 (add_dependence): Change return type to void. Move the logic to ...
3114 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3115 (delete_all_dependences): Add comment about forward_dependency_cache.
3116 Handle spec_dependency_cache. Handle DEPS_LISTs.
3117 (fixup_sched_groups): Clarify the change of priority of output
3118 and anti dependencies.
3119 (sched_analyze_2): Adjust add_dependence calls to create data
3120 speculative dependence.
3121 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3122 Adjust all callers. Handle DEPS_LISTS.
3123 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3124 presence of speculation.
3125 (init_dependency_caches, free_dependency_caches):
3126 Handle spec_dependency_cache.
3127 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3128 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3129 New static functions.
3130 (add_or_update_back_dep, add_or_update_back_forw_dep,
3131 add_back_forw_dep, delete_back_forw_dep): New functions.
3132 * sched-int.h (ds_t, dw_t): New typedefs.
3133 (struct sched_info): Add new field flags.
3134 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3135 Prototype new sched-deps.c functions.
3136 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3137 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3138 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3139 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3140 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3141 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3143 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3145 * sched-rgn.c (current_sched_info): Initialize flags field.
3146 (schedule_insns): Initialize current_sched_info before the sched_init
3148 * sched-ebb.c (current_sched_info): Initialize flags field.
3149 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3150 Call add_or_update_back_dep instead of add_dependence.
3151 Create control speculative dependencies.
3152 (schedule_insns): Initialize current_sched_info before the sched_init
3155 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3157 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3159 (sh_fallback_frame_state): Likewise.
3161 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3163 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3164 Do switch on default_use_cxa_atexit.
3165 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3166 * config/darwin-crt3.o: New.
3167 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3168 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3169 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3171 * config/rs6000/t-darwin: Move crt2.o building to here.
3172 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3173 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3176 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3178 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3179 from '! xxx' to '!xxx' for coding-style conformance.
3180 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3181 (EXTRA_CONSTRAINT): Likewise.
3182 * config/vax/vax.md (four unnamed insns): Likewise.
3184 2006-03-15 Paul Brook <paul@codesourcery.com>
3186 * config/arm/arm.c (minipool_pad): New.
3187 (add_minipool_forward_ref): Include pool alignment padding in address
3189 (push_minipool_fix): Set minipool_pad.
3190 (minipool_pad): Ditto.
3192 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3194 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3195 instead of GET_CODE() == MEM and REG_P() instead of
3197 (print_operand_address): Likewise.
3198 (vax_address_cost): Likewise.
3199 (vax_rtx_costs): Likewise.
3200 (vax_notice_update_cc): Likewise.
3201 (vax_output_int_add): Likewise.
3202 (INDEX_REGISTER_P): Likewise.
3203 (BASE_REGISTER_P): Likewise.
3204 (nonindexed_address_p): Likewise.
3205 (vax_mode_dependent_address_p): Likewise.
3206 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3207 (PRINT_OPERAND): Likewise.
3208 * config/vax/vax.md (ashlsi3): Likewise.
3209 (ashlsi3): Likewise.
3210 (some more unnamed insns): Likewise.
3212 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3214 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3215 iterator-style macro.
3216 (mark_control_dependent_edges_necessary): Update the use of
3217 EXECUTE_IF_CONTROL_DEPENDENT.
3219 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3221 * config/sh/predicates.md (cache_address_operand): Special.
3222 (ua_address_operand): Likewise.
3224 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3226 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3228 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3230 2006-03-15 Andreas Schwab <schwab@suse.de>
3232 * gensupport.c (identify_predicable_attribute): Don't free p_false
3233 when it is still in use.
3235 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3237 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3238 the default setting here.
3240 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3242 * tree-pass.h (pass_cfg): Remove.
3243 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3244 * passes.c (pass_cfg): Don't run it.
3246 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3248 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3249 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3251 (stack_regs_mentioned): Update the uses of
3252 stack_regs_mentioned_data. Don't access the array beyond its
3254 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3255 Don't include gt-reg-stack.h.
3257 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3258 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3260 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3263 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3266 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3268 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3270 2006-03-14 Richard Guenther <rguenther@suse.de>
3272 PR tree-optimization/26672
3273 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3276 2006-03-14 Richard Guenther <rguenther@suse.de>
3278 PR tree-optimization/26667
3279 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3280 node for the callees. Always allow inlining if it will shrink
3283 2006-03-14 Richard Guenther <rguenther@suse.de>
3286 * builtins.c (get_pointer_alignment): Prefer alignment
3287 information from decls over that from types.
3289 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3292 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3294 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3296 * config/rs6000/rs6000.opt (mdlmzb): New option.
3297 (msched-prolog, msched-epilog): Use Var not Mask.
3298 * doc/invoke.texi (-mdlmzb): Document.
3299 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3301 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3302 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3304 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3306 PR rtl-optimization/25739
3307 * bt-load.c (augment_live_range): Free tos pointer.
3309 * gensupport.c (identify_predicable_attribute): Free
3311 * gcov.c (create_file_names): Free name pointer.
3313 2006-03-13 Roger Sayle <roger@eyesopen.com>
3316 * stmt.c (emit_case_nodes): Handle the case where the index is a
3317 CONST_INT, where the comparison mode is specified by the index type.
3319 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3321 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3324 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3326 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3327 (*branch_fp_inverted): Likewise.
3329 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3332 * omp-low.c (expand_omp_for_generic): Mark istart0
3333 and iend0 as addressable.
3335 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3337 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3339 2006-03-13 Jeff Law <law@redhat.com>
3341 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3342 virtual operands are interesting.
3343 (vrp_visit_stmt): Corresponding changes.
3345 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3347 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3349 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3350 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3351 * config/bfin/crti.S: Use it instead of __PIC__.
3352 * config/bfin/crtn.S: Likewise.
3354 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3355 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3357 Lose 'G' modifier for call operand.
3358 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3359 recognize 'G' modifier.
3361 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3364 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3365 * stmt.c (expand_case): Likewise.
3367 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3369 PR rtl-optimization/26254
3370 * loop-invariant.c (seq_insns_valid_p): New function.
3371 (move_invariant_reg): Only emit new code if it is valid.
3373 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3375 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3377 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3378 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3379 (commit_one_edge_insertion): Do not look for loop notes.
3381 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3383 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3384 flag_test_coverage out of loop.
3386 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3388 * final.c (shorten_branches): Remove outdated comment, and turn
3389 the if branch that guards it to continue.
3391 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3393 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3394 * cfgloop.h (struct loop): Remove unused fields.
3396 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3398 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3399 (-dL, -fdump-rtl-loop2): Update the dump file names
3401 * doc/invoke.texi: Update dump file names.
3403 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3405 * predict.c (estimate_probability): Remove.
3406 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3407 * basic-block.h (estimate_probability): Remove prototype.
3408 * passes.c (finish_optimization_passes): Dump branch prediction or
3409 profiling heuristics to the .profile tree dump.
3410 (init_optimization_passes): Unqueue pass_branch_prob.
3412 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3414 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3416 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3417 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3419 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3421 * function.h (frame_offset_overflow): Declare.
3422 * function.c (frame_offset_overflow): New function.
3423 (assign_stack_local_1): Call it to detect that the offset overflows.
3424 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3426 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3428 * config/sh/sh.c: Include alloc-pool.h.
3429 (label_ref_list_pool): New alloc pool.
3430 (label_ref_list_t): New type for lists of labels.
3431 (struct pool_node): Make wend a label_ref_list_t.
3432 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3434 (dump_table): Likewise.
3435 (sh_reorg): Set up the alloc pool before using add_constant and
3436 dump_table, and destroy it when finishing.
3438 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3440 * config/mips/mips.c: Remove redundant comment.
3442 2006-03-10 Jason Merrill <jason@redhat.com>
3445 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3446 the target was declared 'register'.
3448 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3450 * genpreds.c (write_insn_constraint_len): Change definition of
3451 insn_constraint_len to return size_t to match the declaration.
3453 2006-03-10 DJ Delorie <dj@redhat.com>
3455 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3457 (m32c_expand_insv): Fix test for an AND mask.
3459 2006-03-10 Richard Guenther <rguenther@suse.de>
3462 * builtins.c (get_pointer_alignment): Handle component
3463 references for field alignment.
3465 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3467 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3468 when building with libgloss.
3469 (sh*elf): Implement --without-fp option.
3470 (sh64-superh-linux*): Don't multilib.
3472 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3474 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3476 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3478 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3479 Set it when one of the replacement functions returned true.
3480 Return TODO_cleanup_cfg if cfgchanged is true.
3481 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3483 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3485 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3486 instead of gen_lowpart.
3488 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3490 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3492 (mips_output_order_conditional_branch): Declare.
3493 * config/mips/mips.h (MIPS_BRANCH): New macro.
3494 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3495 for the comparison. Use gen_condjump.
3496 (mips_output_conditional_branch): Rework interface to take the
3497 asm templates for a direct branch and the inverse of a direct branch.
3498 (mips_output_order_conditional_branch): New function.
3499 (mips_builtin_branch_and_move): New function.
3500 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3501 branch condition. Use gen_single_cc as the condition for
3502 __builtin_mips_upper_* or __builtin_mips_lower_*.
3503 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3504 Use VOIDmode for the branch condition.
3505 * config/mips/predicates.md (order_operator): New predicate.
3506 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3507 (branch_fp): Rename to...
3508 (*branch_fp): ...this. Remove mode from comparison operator.
3509 Use new mips_output_conditional_branch interface.
3510 (branch_fp_inverted): Rename to...
3511 (*branch_fp_inverted): ...this and update as for *branch_fp.
3512 (*branch_zero<mode>): Rename to...
3513 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3514 Use mips_output_order_conditional_branch. Only accept ordered
3516 (*branch_zero<mode>_inverted): Rename to...
3517 (*branch_order<mode>_inverted): ...this and update as for
3518 *branch_order<mode>.
3519 (*branch_equality<mode>): Accept zero as the second operand to
3520 the equality operator. Use the new mips_output_conditional_branch
3522 (*branch_equality<mode>_inverted): Likewise.
3523 (condjump): New expander.
3524 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3526 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3527 (bc1any2t, bc1any2f): Likewise.
3528 (single_cc): New expander.
3529 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3531 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3533 * doc/md.texi: Update documentation of MIPS constraints.
3534 * config/mips/constraints.md: New file.
3535 * config/mips/mips.md: Include it.
3536 * config/mips/mips.c (mips_char_to_class): Delete.
3537 (override_options): Don't initialize mips_char_to_class.
3538 * config/mips/mips.h (mips_char_to_class): Delete.
3539 (REG_CLASS_FROM_LETTER): Delete.
3540 (CONST_OK_FOR_LETTER_P): Delete.
3541 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3542 (EXTRA_CONSTRAINT_Y): Delete.
3543 (EXTRA_CONSTRAINT_STR): Delete.
3544 (CONSTRAINT_LEN): Delete.
3545 (EXTRA_MEMORY_CONSTRAINT): Delete.
3547 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3549 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3550 original fn's eh regions.
3552 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3554 * fold-const.c (build_range_check): Make sure to use a valid type to
3555 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3558 (range_predecessor): New static function.
3559 (range_successor): Likewise.
3560 (merge_ranges): Use them to compute predecessors and successors of
3563 2006-03-09 Roger Sayle <roger@eyesopen.com>
3566 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3567 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3569 2006-03-08 DJ Delorie <dj@redhat.com>
3571 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3572 (addpsi3): Expand to include memory operands. Remove
3573 reload-specific splits.
3574 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3575 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3576 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3577 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3578 (shift1_qi, shift1_hi, insv): New.
3579 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3580 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3581 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3583 * config/m32c/m32c-protos.h: Update as needed.
3584 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3585 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3586 Fail for unrecognized R* constraints.
3587 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3588 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3589 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3591 (m32c_init_libfuncs): New.
3592 (m32c_legitimate_address_p): Add debug wrapper.
3593 (m32c_rtx_costs): New.
3594 (m32c_address_cost): New.
3595 (conversions): Add 'B' prefix.
3596 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3597 operands, or word regnames for QI operands. 'B' prints bit
3599 (m32c_expand_setmemhi): New.
3600 (m32c_expand_movmemhi): New.
3601 (m32c_expand_movstr): New.
3602 (m32c_expand_cmpstr): New.
3603 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3604 (m32c_expand_neg_mulpsi3): Handle non-ints.
3605 (m32c_cmp_flg_0): New.
3606 (m32c_expand_movcc): New.
3607 (m32c_expand_insv): New.
3608 (m32c_scc_pattern): New.
3609 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3610 a0/a1 out of SIregs.
3611 (STORE_FLAG_VALUE): New.
3612 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3615 * config/m32c/mov.md: Make constraints more liberal.
3616 (zero_extendqihi2): Optimize r0/r1 case.
3617 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3618 * config/m32c/predicates.md (m32c_any_operand): New.
3619 (m32c_nonimmediate_operand): New.
3620 (m32c_hl_operand): New.
3621 (m32c_r3_operand): New.
3624 (memsym_operand): New.
3625 (memimmed_operand): New.
3626 (a_qi_operand): New.
3627 (m32c_eqne_operator): New.
3628 (m32c_1bit8_operand): New.
3629 (m32c_1bit16_operand): New.
3630 (m32c_1mask8_operand): New.
3631 (m32c_1mask16_operand): New.
3632 * config/m32c/blkmov.md: New file.
3633 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3635 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3637 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3638 unsigned to fix signed/unsigned comparison issue in
3639 DWARF2_FRAME_REG_OUT.
3640 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3641 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3643 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3644 of ptr into the ENABLE_CHECKING section.
3646 2006-03-08 Jeff Law <law@redhat.com>
3648 * tree-vrp.c (infer_value_range): Only count pointer uses
3649 and dereferences if -fdelete-null-pointer-checks is enabled.
3651 * tree-vrp.c (find_assert_locations): Infer value ranges for
3652 single use pointers, but do not create ASSERT_EXPRs for them.
3653 When a non-null range is inferred for a pointer, backwards
3654 propagate that range to other equivalent pointers through the
3657 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3660 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3661 language hook targets.
3662 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3663 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3664 if language hook targets were missing.
3666 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3668 * tree-ssa-opfinalize.h: Removed.
3669 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3671 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3672 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3673 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3674 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3675 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3676 finalize_ssa_v_must_def_ops): New.
3678 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3680 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3683 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3685 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3687 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3688 addresses with offsets; reorganize.
3690 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3691 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3692 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3694 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3697 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3699 2006-03-08 Ben Elliston <bje@au.ibm.com>
3701 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3703 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3706 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3709 2006-03-07 Richard Guenther <rguenther@suse.de>
3711 PR tree-optimization/26587
3712 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3714 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3716 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3718 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3720 * hooks.c (hook_bool_mode_rtx_true): New function.
3721 * hooks.h (hook_bool_mode_rtx_true): Declare.
3722 * toplev.c (compile_file): Call output_shared_constant_pool.
3723 * varasm.c (shared_constant_pool): New variable.
3724 (assemble_start_function, assemble_end_function): Remove arguments
3725 from call to output_constant_pool.
3726 (create_constant_pool): New function, split out from...
3727 (init_varasm_status): ...here.
3728 (force_const_mem): Choose between the shared and per-function constant
3729 pools. Set current_function_uses_const_pool when reusing old entries
3730 as well as when creating new ones.
3731 (mark_constant): Ignore data argument.
3732 (mark_constants): Remove pool argument.
3733 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3734 to decide whether the function uses a constant pool.
3735 (output_constant_pool_contents): New function, split out from...
3736 (output_constant_pool): ...here.
3737 (output_shared_constant_pool): New function.
3738 (init_varasm_once): Initialize shared_constant_pool.
3739 * output.h (output_constant_pool): Delete.
3740 (output_shared_constant_pool): Declare.
3741 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3742 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3744 2006-03-06 Nick Clifton <nickc@redhat.com>
3746 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3747 flag_strength_reduce.
3749 2006-03-06 Ben Elliston <bje@au.ibm.com>
3751 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3752 x86_64-*-linux* configurations.
3754 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3755 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3757 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3759 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3761 * basic-block.h: Remove the extern for
3762 rediscover_loops_after_threading.
3764 * cfgloop.c (cancel_loop): Make it static.
3765 * cfgloop.h: Remove the prototype for cancel_loop.
3767 * flow.c (recompute_reg_usage): Make it static.
3768 * rtl.h: Remove the prototype for recompute_reg_usage.
3770 * function.c (use_return_register): Make it static.
3771 * function.h: Remove the prototype.
3773 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3775 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3777 * recog.h: Remove the prototype for
3778 validate_change_maybe_volatile.
3780 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3782 * rtlanal.c (replace_reg): Remove.
3783 * rtl.h: Remove the prototype for replace_reg.
3785 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3787 * regclass.c (reg_scan_update): Remove.
3788 (reg_scan_mark_refs): Remove the last argument.
3789 * rtl.h: Remove the prototype for reg_scan_update.
3791 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3793 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3794 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3795 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3796 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3797 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3798 loop-invariant.c, omp-low.c, opts.c, passes.c,
3799 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3800 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3801 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3802 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3803 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3804 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3806 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3808 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3809 * dwarf2out.h: Remove the prototype for
3810 dwarf2out_add_library_unit_info.
3812 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3814 * tree.c (add_var_to_bind_expr): Remove.
3815 * tree.h: Remove the prototype for add_var_to_bind_expr.
3817 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3819 * regclass.c (n_non_fixed_regs): Remove.
3820 (init_reg_sets_1, globalize_reg): Remove all uses of
3822 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3824 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3826 * rtlanal.c (insns_safe_to_move_p): Remove.
3827 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3829 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3831 * expmed.c (expand_mult_add): Remove.
3832 * expr.h: Remove the prototype for expand_mult_add.
3834 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3836 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3837 and REG_SAVED_VAL_EXP constants.
3838 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3839 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3840 Handle regs stored by value.
3841 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3842 (execute_cfa_program): Handle DW_CFA_val_offset,
3843 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3844 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3845 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3846 (uw_install_context_1): Handle target regs stored by value.
3848 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3850 * tree-sra.c (tree_sra): Return todoflags;
3851 (generate_one_element): Set TODO_update_smt_usage if needed.
3852 (pass_sra): Remove TODO_update_smt_usage.
3853 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3855 (tree_ssa_forward_propagate_single_use_vars): Return
3856 TODO_update_smt_usage if we need to update SMT usage.
3857 (pass_forwprop): Remove TODO_update_smt_usage.
3859 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3861 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3862 (correct_use_link): Remove reference to get_stmt_operands.
3863 (update_stmt_operands): Likewise.
3864 (get_modify_expr_operands): New function factored out of
3865 parse_ssa_operands and get_expr_operands.
3866 Try to create V_MUST_DEFs for LHS by default.
3867 (get_expr_operands) <case MODIFY_EXPR>: Call
3868 get_modify_expr_operands.
3869 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3870 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3871 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3872 get_modify_expr_operands.
3874 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3876 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3877 * tree-flow.h: Remove the prototype for
3878 referenced_var_lookup_if_exists.
3880 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3882 PR rtl-optimization/26345
3884 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3886 2006-03-03 Roger Sayle <roger@eyesopen.com>
3888 PR tree-optimization/26524
3889 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3890 fold_convert to create a constant of the appropriate type.
3892 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3894 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3895 SYMBOL_REF_IN_BLOCK_P.
3896 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3897 of SYMBOL_FLAG_IN_BLOCK.
3898 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3899 instead of SYMBOL_REF_IN_BLOCK_P.
3900 * explow.c (use_anchored_address): Likewise.
3901 * rtl.c (rtx_size): Likewise.
3902 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3903 instead of SYMBOL_FLAG_IN_BLOCK.
3904 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3905 SYMBOL_REF_IN_BLOCK_P.
3906 (assemble_variable): Likewise.
3907 (output_constant_def_contents): Likewise.
3908 (output_constant_pool): Likewise.
3909 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3910 instead of SYMBOL_FLAG_IN_BLOCK.
3911 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3912 SYMBOL_REF_IN_BLOCK_P.
3913 (SYMBOL_REF_BLOCK): Likewise.
3914 (SYMBOL_REF_OFFSET): Likewise.
3915 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3916 SYMBOL_REF_IN_BLOCK_P.
3917 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3918 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3919 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3920 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3922 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3924 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3926 2006-03-02 Roger Sayle <roger@eyesopen.com>
3928 * simplify-rtx.c (simplify_unary_operation): When simplifying
3929 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3930 that we perform the right shift in the appropriate mode, and
3931 then extend or truncate the result to requested mode.
3933 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3935 * gengtype.c (main): Handle double_int type.
3936 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3937 * double-int.c: New file.
3938 * double-int.h: New file.
3939 * system.h: Include doubleint.h.
3940 * Makefile.in (SYSTEM_H): Include double-int.h.
3941 (double-int.o): Add.
3943 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3946 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3949 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3951 * tree-vrp.c (remove_range_assertions): Do not update statements
3954 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3956 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3958 * gcse.c (rest_of_handle_gcse): Ditto.
3959 * except.c (gate_handle_eh): Ditto.
3960 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3961 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3963 2006-03-02 Eric Christopher <echristo@apple.com>
3965 * config/i386/i386.c (machopic_output_stub): Add indirection to
3968 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3972 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3974 Sun Niagara specific optimizations.
3975 * config.gcc: Recognize niagara as target.
3976 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3977 (TARGET_CPU_niagara): Define.
3978 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3979 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3980 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3981 (ASM_CPU_SPEC): Likewise.
3982 (PROCESSOR_NIAGARA): New enum entry.
3983 (REGISTER_MOVE_COST): Handle Niagara.
3984 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3985 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3986 (sparc_override_options): Recognize "niagara", set appropriate
3987 default MASK_* values for it, and align functions to 32-bytes
3988 by default just like ULTRASPARC/ULTRASPARC3.
3989 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3990 (sparc64_initialize_trampoline): Likewise.
3991 (sparc_use_sched_lookahead): Use zero for niagara.
3992 (sparc_issue_rate): Use one for niagara.
3993 * config/sparc/niagara.md: New file.
3994 * config/sparc/sparc.md: Include it.
3995 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3996 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3997 when default cpu is niagara.
3998 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3999 (ASM_CPU_SPEC): Likewise.
4000 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4001 when default cpu is niagara.
4002 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4003 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4004 just like v9/ultrasparc/ultrasparc3.
4005 * doc/invoke.texi: Add documentation for "niagara" and improve
4006 existing documentation for ultrasparc variants.
4008 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4010 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4012 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4014 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4015 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4016 and say that only one is needed.
4017 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4018 * target.h (have_switchable_bss_sections): New hook.
4019 * explow.c (use_anchored_address): Check that the symbol is in a block.
4020 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4021 (bss_noswitch_section): New variables.
4022 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4023 (get_noswitch_section): New function.
4024 (get_block_for_section): Allow SECT to be null.
4025 (unlikely_text_section_p): Use SECTION_STYLE.
4026 (bss_initializer_p): New function.
4027 (get_variable_section): Move earlier in file. Take a new argument,
4028 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4029 Return one of the new *_sections in such cases.
4030 (get_block_for_decl): New function, extracting some logic from
4031 use_blocks_for_decl_p.
4032 (change_symbol_section): Remove in favor of...
4033 (change_symbol_block): ...this new function.
4034 (use_blocks_for_decl_p): Remove checks now performed by
4036 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4037 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4038 (emit_local, emit_bss, emit_common): ...these new functions.
4039 Return true if the alignment was honored.
4040 (emit_tls_common): New function.
4041 (asm_emit_uninitialised): Delete.
4042 (assemble_variable_noswitch): New function, split out from...
4043 (assemble_variable): ...here. Don't make decisions about common
4044 variables here. Globalize all public decls that go into non-common
4045 sections. Check whether SYMBOL_REF_BLOCK is null.
4046 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4047 (output_constant_pool): Likewise.
4048 (init_varasm_once): Initialize the new section variables.
4049 (have_global_bss_p): New function.
4050 (categorize_decl_for_section): Use bss_initializer_p.
4051 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4052 (place_block_symbol): Assert that the symbol must be in a block.
4053 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4054 (TARGET_INITIALIZER): Include it.
4055 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4056 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4057 (SECTION_MACH_DEP): Bump by two.
4058 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4059 (unnamed_section): Mention SECTION_UNNAMED in comment.
4060 (named_section): Likewise SECTION_NAMED.
4061 (noswitch_section_callback): New type.
4062 (noswitch_section): New structure.
4063 (section): Add a noswitch_section alternative.
4064 (SECTION_STYLE): New macro.
4065 (tls_comm_section, comm_section, lcomm_section): Declare.
4066 (bss_noswitch_section, have_global_bss_p): Declare.
4067 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4068 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4070 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4071 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4074 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4076 * gcc/tree-vrp.c (execute_vrp): Return value.
4077 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4078 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4079 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4080 (tree_lower_complex_O0): Ditto.
4081 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4082 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4083 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4084 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4085 (execute_tail_calls): Ditto.
4086 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4087 * gcc/tree.h (init_function_for_compilation): Ditto.
4088 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4089 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4090 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4091 * gcc/final.c (compute_alignments): Ditto.
4092 (rest_of_handle_final): Ditto.
4093 (rest_of_handle_shorten_branches): Ditto.
4094 (rest_of_clean_state): Ditto.
4095 * gcc/omp-low.c (execute_expand_omp): Ditto.
4096 (execute_lower_omp): Ditto.
4097 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4098 * gcc/ipa-reference.c (static_execute): Ditto.
4099 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4100 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4101 (rest_of_handle_machine_reorg): Ditto.
4102 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4103 * gcc/flow.c (recompute_reg_usage): Ditto.
4104 (rest_of_handle_remove_death_notes): Ditto.
4105 (rest_of_handle_life): Ditto.
4106 (rest_of_handle_flow2): Ditto.
4107 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4108 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4109 (do_ssa_store_ccp): Ditto.
4110 (execute_fold_all_builtins): Ditto.
4111 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4112 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4113 * gcc/ipa-pure-const.c (static_execute): Ditto.
4114 * gcc/cse.c (rest_of_handle_cse): Ditto.
4115 (rest_of_handle_cse2): Ditto.
4116 * gcc/web.c (rest_of_handle_web): Ditto.
4117 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4118 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4119 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4120 * gcc/tree-nrv.c (tree_nrv): Ditto.
4121 (execute_return_slot_opt): Ditto.
4122 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4123 (create_structure_vars): Ditto.
4124 * gcc/loop-init.c (rtl_loop_init): Ditto.
4125 (rtl_loop_done): Ditto.
4126 (rtl_move_loop_invariants): Ditto.
4127 (rtl_unswitch): Ditto.
4128 (rtl_unroll_and_peel_loops): Ditto.
4129 (rtl_doloop): Ditto.
4130 * gcc/gimple-low.c (lower_function_body): Ditto.
4131 (mark_used_blocks): Ditto.
4132 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4133 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4134 (cgraph_early_inlining): Ditto.
4135 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4136 * gcc/jump.c (cleanup_barriers): Ditto.
4137 (purge_line_number_notes): Ditto.
4138 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4139 (rest_of_handle_if_after_reload): Ditto.
4140 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4141 (tree_ssa_loop_im): Ditto.
4142 (tree_ssa_loop_unswitch): Ditto.
4143 (tree_vectorize): Ditto.
4144 (tree_linear_transform): Ditto.
4145 (tree_ssa_loop_ivcanon): Ditto.
4146 (tree_ssa_empty_loop): Ditto.
4147 (tree_ssa_loop_bounds): Ditto.
4148 (tree_complete_unroll): Ditto.
4149 (tree_ssa_loop_prefetch): Ditto.
4150 (tree_ssa_loop_ivopts): Ditto.
4151 (tree_ssa_loop_done): Ditto.
4152 * gcc/predict.c (tree_estimate_probability): Ditto.
4153 * gcc/recog.c (split_all_insns_noflow): Ditto.
4154 (rest_of_handle_peephole2): Ditto.
4155 (rest_of_handle_split_all_insns): Ditto.
4156 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4157 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4158 (rest_of_handle_stack_adjustments): Ditto.
4159 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4160 * gcc/function.c (instantiate_virtual_regs): Ditto.
4161 (init_function_for_compilation): Ditto.
4162 (rest_of_handle_check_leaf_regs): Ditto.
4163 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4164 (rest_of_handle_gcse): Ditto.
4165 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4166 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4167 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4168 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4169 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4170 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4171 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4172 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4173 * gcc/except.c (set_nothrow_function_flags): Ditto.
4174 (convert_to_eh_region_ranges): Ditto.
4175 (rest_of_handle_eh): Ditto.
4176 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4177 (remove_unnecessary_notes): Ditto.
4178 * gcc/except.h (set_nothrow_function_flags): Ditto.
4179 (convert_to_eh_region_ranges): Ditto.
4180 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4181 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4182 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4183 (execute_fre): Ditto.
4184 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4185 (rest_of_handle_jump2): Ditto.
4186 * gcc/tree-sra.c (tree_sra): Ditto.
4187 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4188 (execute_mudflap_function_decls): Ditto.
4189 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4190 (do_store_copy_prop): Ditto.
4191 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4192 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4193 * gcc/tree-ssa-forwprop.c
4194 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4195 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4196 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4197 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4198 (execute_late_warn_uninitialized): Ditto.
4199 * gcc/rtl.h (cleanup_barriers): Ditto.
4200 (split_all_insns_noflow): Ditto.
4201 (purge_line_number_notes): Ditto.
4202 (unshare_all_rtl): Ditto.
4203 (remove_unnecessary_notes): Ditto.
4204 (recompute_reg_usage): Ditto.
4205 (variable_tracking_main): Ditto.
4206 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4207 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4208 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4209 (execute_free_cfg_annotations): Ditto.
4210 (execute_fixup_cfg): Ditto.
4211 (execute_cleanup_cfg_pre_ipa): Ditto.
4212 (execute_cleanup_cfg_post_optimizing): Ditto.
4213 (execute_init_datastructures): Ditto.
4214 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4215 * gcc/combine.c (rest_of_handle_combine): Ditto.
4216 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4217 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4218 (rest_of_handle_reorder_blocks): Ditto.
4219 (rest_of_handle_partition_blocks): Ditto.
4220 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4221 * gcc/tree-profile.c (tree_profiling): Ditto.
4222 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4223 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4224 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4225 (rest_of_handle_sched2): Ditto.
4226 * gcc/basic-block.h (free_bb_insn): Ditto.
4227 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4228 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4229 (remove_useless_stmts): Ditto.
4230 (split_critical_edges): Ditto.
4231 (execute_warn_function_return): Ditto.
4232 (execute_warn_function_noreturn): Ditto.
4233 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4234 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4235 * gcc/passes.c (execute_one_pass): Run additional
4236 todos returned by execute function.
4237 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4240 2006-03-02 Richard Guenther <rguenther@suse.de>
4242 * tree-ssa-alias.c (find_used_portions): Consider taking
4243 the address as making the variable not write-only.
4245 2006-03-02 Nick Clifton <nickc@redhat.com>
4247 * config.gcc (default_use_cxa_atexit): Extend the description of
4248 this configure variable. Set its default value to "yes" for
4249 Linux, NetBSD and ELF targets on the assumption that they will
4250 use C libraries with the __cxa_atexit function.
4252 2006-03-02 Ben Elliston <bje@au.ibm.com>
4254 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4255 parameter as unused to suppress a build warning.
4257 2006-03-02 Ben Elliston <bje@au.ibm.com>
4259 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4262 2006-03-01 Roger Sayle <roger@eyesopen.com>
4265 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4266 declared name, the weak reference name, and the typeof name.
4267 (__gthrw): Avoid expanding the declared name suffix.
4268 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4270 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4272 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4274 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4275 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4276 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4277 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4278 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4279 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4280 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4281 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4282 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4283 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4284 (DW_END_default, DW_END_big, DW_END_little): New.
4285 (DW_END_lo_user, DW_END_hi_user): Define.
4286 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4287 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4288 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4291 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4293 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4295 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4297 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4299 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4301 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4302 to 'symbol_mem_tag'.
4304 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4307 2006-03-01 Roger Sayle <roger@eyesopen.com>
4309 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4311 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4314 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4315 MACHO_DYNAMIC_NO_PIC_P.
4316 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4318 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4321 * config/darwin-protos.h (darwin_asm_output_anchor):
4323 * config/darwin-sections.def (cstring_section):
4324 Add SECTION_MERGE to the flags.
4325 (literal4_section): Likewise.
4326 (literal8_section): Likewise.
4327 (objc_selector_refs_section): Likewise.
4328 (objc_cls_refs_section): Likewise.
4329 * config/darwin.c (darwin_asm_output_anchor): New
4331 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4333 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4335 Fix PR tree-optimization/26443
4336 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4337 to todo and PROP_tmt_usage to properties_destroyed.
4338 * tree-ssa-ccp.c (pass_ccp): Ditto.
4339 (pass_store_ccp): Ditto.
4340 * tree-ssa-dom.c (pass_dominator): Ditto.
4342 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4344 * tree-ssa-operands.c: Cleanup whitespace.
4345 (get_asm_expr_operands): Move before first invocation.
4346 (get_indirect_ref_operands): Likewise.
4347 (get_tmr_operands): Likewise.
4348 (get_call_expr_operands): Likewise.
4349 (append_def): Likewise.
4350 (append_use): Likewise.
4351 (append_v_may_def): Likewise.
4352 (append_v_must_def): Likewise.
4353 (add_call_clobber_ops): Likewise.
4354 (add_call_read_ops): Likewise.
4355 (add_stmt_operand): Likewise.
4356 (add_virtual_operand): Likewise.
4357 (build_ssa_operands): Likewise.
4359 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4364 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4365 with a call expr to ...
4366 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4368 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4370 * tree-vrp.c (extract_range_from_assert): Remove special
4371 handling for types with super-types.
4373 2006-03-01 Ben Elliston <bje@au.ibm.com>
4375 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4376 and powerpc64-*-linux* configurations.
4377 * config/t-dfprules: New file.
4379 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4380 Compile dfp-bit.c from the source directory using -DWIDTH and
4381 $DFP_CFLAGS to control the compilation of that file, rather than
4382 generating width-specific versions in the build directory.
4383 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4384 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4386 2006-02-28 Zack Weinberg <zackw@panix.com>
4388 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4391 2006-02-28 Eric Christopher <echristo@apple.com>
4393 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4394 Set up IN_LIBGCC definition of TARGET_64BIT.
4395 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4397 2006-02-28 Roger Sayle <roger@eyesopen.com>
4400 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4401 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4402 cases via the construction of "expr != 0".
4404 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4406 * alias.c (alias_invariant, alias_invariant_size): Remove.
4407 (record_base_value): Remove.
4408 (memrefs_conflict_p): Don't look at alias_invariant.
4409 (end_alias_analysis): Don't free it.
4410 * alias.h (record_base_value): Remove prototype.
4412 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4413 Adam Nemet <anemet@caviumnetworks.com>
4415 * rtl.h (truncated_to_mode): Declare it.
4416 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4417 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4418 (RTL_HOOKS_INITIALIZER): Include it.
4419 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4420 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4421 reg_truncated_to_mode.
4422 * rtlanal.c (truncated_to_mode): Define it.
4423 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4425 2006-02-28 Jeff Law <law@redhat.com>
4427 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4428 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4429 the range allowed by TYPE_PRECISION.
4431 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4433 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4435 PR tree-optimization/26419
4436 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4439 2006-02-27 Zack Weinberg <zackw@panix.com>
4441 * doc/md.texi: Fix typo in previous change.
4443 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4447 2006-02-27 Zack Weinberg <zackw@panix.com>
4449 * rtl.def (define_constraint, define_register_constraint)
4450 (define_memory_constraint, define_address_constraint): New MD forms.
4451 * gensupport.c (process_rtx): Put define_constraint etc on the
4453 * genpreds.c (process_define_predicate): Adjust comment. Validate
4454 the name, and call validate_exp to validate the expression.
4455 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4456 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4457 all callers changed.
4458 (validate_exp, needs_variable, struct constraint_data)
4459 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4460 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4461 (const_dbl_constraints, constraint_max_namelen)
4462 (have_register_constraints, have_memory_constraints)
4463 (have_address_constraints, have_address_constraints)
4464 (have_extra_constraints, have_const_int_constraints)
4465 (have_const_dbl_constraints, mangle, add_constraint)
4466 (process_define_constraint, process_define_register_constraint)
4467 (write_enum_constraint_num, write_lookup_constraint)
4468 (write_insn_constraint_len, write_regclass_for_constraint)
4469 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4470 (write_insn_extra_memory_constraint)
4471 (write_insn_extra_address_constraint)
4472 (write_satisfies_constraint_fns): New.
4473 (write_tm_preds_h): If we have new-style constraint definitions,
4474 prototype the functions generated from them, and define the
4475 old constraint interface (still used by generic code) in terms of
4477 (write_insn_preds_c): If we have new-style constraint definitions,
4478 generate all relevant functions from those definitions.
4479 (main): Handle define_constraint etc.
4480 * genoutput.c (struct constraint_data, indep_constraints)
4481 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4482 (mdep_constraint_len): New data structures and functions, defined
4483 #ifdef USE_MD_CONSTRAINTS.
4484 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4485 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4486 use new logic to validate operand constraints against constraint
4488 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4490 * defaults.h: If none of the old-style constraint macros are
4491 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4492 old-style macros; and poison REG_CLASS_FROM_LETTER,
4493 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4495 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4496 * doc/md.texi: Document new constraint-definition mechanism and the
4497 C interface it provides. Remove references to old mechanism
4498 elsewhere in the document.
4499 (Machine Constraints): Use pathnames relative to gcc directory,
4500 i.e. config/ARCH/FILE. Change i386 section to refer to
4501 config/i386/predicates.md; update that section to match docstrings.
4502 * doc/tm.texi: Move all documentation of the old constraint-
4503 definition macros to their own section, clearly mark as obsolete.
4505 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4506 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4508 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4509 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4510 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4512 (splits and peepholes): Use satisfies_constraint_*.
4513 * config/i386/i386.c (memory_address_length)
4514 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4516 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4518 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4519 scalar operation to be put back into the loop.
4521 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4524 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4525 (extract_cie_info): Handle S flag in augmentation string.
4526 (execute_cfa_program): If context->signal_frame, execute also
4527 fs->pc == context->ra instructions.
4528 (uw_frame_state_for): If context->signal_frame, don't subtract one
4529 from context->ra to find FDE.
4530 (uw_update_context_1): Set context->signal_frame to
4532 (_Unwind_GetIPInfo): New function.
4533 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4534 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4536 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4537 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4538 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4539 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4540 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4541 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4542 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4543 x86_64_fallback_frame_state): Set fs->signal_frame.
4544 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4545 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4546 (frob_update_context): Likewise. Workaround missing S flag in
4547 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4548 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4549 Remove the psw_addr + 1 hack.
4551 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4553 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4554 with aggregates here.
4555 (find_func_aliases): Remove code for &<aggregate> from here.
4557 2006-02-26 Roger Sayle <roger@eyesopen.com>
4559 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4560 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4561 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4564 2006-02-26 Roger Sayle <roger@eyesopen.com>
4567 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4569 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4571 * opts.c (decode_options): Do not handle flag_strength_reduce.
4572 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4573 and OPT_fstrength_reduce.
4574 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4575 flag_prefetch_loop_arrays for being nonzero.
4576 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4578 (fprefetch-loop-arrays-rtl): Removed.
4579 (flag_prefetch_loop_arrays): Do not specify the value.
4581 * doc/passes.texi: Update documentation of loop optimizer
4583 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4584 -frerun-loop-opt): Remove.
4586 2006-02-26 Richard Guenther <rguenther@suse.de>
4588 PR tree-optimization/26421
4589 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4590 in function calls that are ADDR_EXPRs as using the whole structure.
4592 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4594 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4595 * tree-pass.h (pass_loop_optimize): Remove.
4596 * passes.c (pass_loop_optimize): Never run it.
4597 * toplev.c (backend_init): Don't call init_loop.
4598 * opts.c (flag_loop_optimize_set): Remove.
4599 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4600 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4601 the old RTL loop optimizer when profiling enabled.
4602 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4603 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4604 pre-headers for the sake of the old RTL loop optimizer.
4605 * Makefile.in: Remove all references to loop.o.
4607 * doc/invoke.texi: Remove all references to -floop-optimize
4608 and -frerun-loop-opt.
4610 2006-02-26 Zack Weinberg <zackw@panix.com>
4612 * doc/md.texi (Machine Constraints): Refer to all files with paths
4613 relative to gcc directory (i.e. config/CPU/file). Add missing
4614 @table @code ... @end table to M32C subsection.
4616 2006-02-26 Roger Sayle <roger@eyesopen.com>
4618 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4620 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4622 2006-02-26 Roger Sayle <roger@eyesopen.com>
4623 James A. Morrison <phython@gcc.gnu.org>
4626 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4627 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4628 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4629 signedness of the shift operation.
4631 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4633 PR tree-optimization/26359
4634 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4636 2006-02-25 Roger Sayle <roger@eyesopen.com>
4638 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4639 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4640 as X == 0, and some symmetry related transformations.
4641 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4643 2006-02-25 Roger Sayle <roger@eyesopen.com>
4646 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4647 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4648 symmetry related transformations. Fold (X^C1) == C2 as
4651 2006-02-25 Juergen Weigert <jw@suse.de>
4652 Richard Guenther <rguenther@suse.de>
4654 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4656 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4658 * combine.c (gen_lowpart_or_truncate): Call
4659 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4661 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4663 * doc/invoke.texi: Move -fopenmp description to "Options for
4665 Remove reference to -lgomp.
4667 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4669 * doc/install.texi: Require GNU tar version 1.14.
4671 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4673 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4674 * doc/invoke.texi (C++ Dialect Options): Document
4675 -fno-use-cxa-get-exception-ptr.
4676 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4677 * configure: Regenerate.
4678 * c.opt (fuse-cxa-get-exception-ptr): New.
4679 * c-opts.c (c_common_handle_option): Handle
4680 OPT_fuse_cxa_get_exception_ptr.
4681 * c-common.c (flag_use_cxa_atexit): Update documentation.
4682 (flag_use_cxa_get_exception_ptr): New.
4683 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4684 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4686 (C_COMMON_OVERRIDE_OPTIONS): New.
4688 2006-02-24 Roger Sayle <roger@eyesopen.com>
4691 * combine.c (try_combine): Explicitly check whether GET_CODE is
4692 a SET or a CLOBBER, instead on checking that it isn't a USE.
4694 2006-02-24 Roger Sayle <roger@eyesopen.com>
4696 * fold-const.c (fold_comparison): New subroutine of fold_binary
4697 containing transformations common to both the equality and
4698 ordering relational operators, factored out of fold_binary.
4699 (fold_binary): Separate out the equality operators (EQ_EXPR
4700 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4701 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4702 transformations common to both.
4703 (fold_div_compare): Fix latent bugs in the previously unreachable
4704 LT_EXPR and GE_EXPR cases.
4706 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4708 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4709 decl libname for clog to __clog on AIX.
4711 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4713 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4716 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4717 output traceback table for thunks. Localise rs6000_stack_info call.
4719 2006-02-23 Roger Sayle <roger@eyesopen.com>
4720 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4722 * gthr-posix.h (__gthrw): Fix typo in comment.
4724 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4726 * doc/cpp.texi (Character sets): Document that we do support
4727 input files to be in any character set.
4729 2006-02-23 Jeff Law <law@redhat.com>
4731 * tree.h (PHI_ARG_NONZERO): Remove.
4732 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4733 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4734 node to the new node.
4736 PR tree-optimization/26425
4737 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4738 min/max, then assume its varying.
4740 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4742 PR rtl-optimization/26316
4743 * rtlanal.c (enum may_trap_p_flags): New.
4744 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4745 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4746 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4747 (may_trap_after_code_motion_p): New function.
4748 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4749 (find_invariant_insn): Use may_trap_after_code_motion_p.
4750 * rtl.h (may_trap_after_code_motion_p): Declare.
4752 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4754 * emit-rtl.c (immed_double_const): Cleanup.
4756 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4758 Fix PR tree-optimization/26376
4759 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4762 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4765 * gimplify.c (omp_add_variable): Guard variable size decl test with
4766 DECL_SIZE (decl) check.
4768 2006-02-23 Richard Guenther <rguenther@suse.de>
4771 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4772 like aggregate types.
4774 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4776 * configure.ac: Add --with{,out}-long-double-128 configure option.
4777 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4778 * configure: Rebuilt.
4779 * config.in: Rebuilt.
4780 * doc/install.texi (Options specification): Document
4781 --with-long-double-128.
4783 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4784 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4785 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4786 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4788 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4790 * config/s390/s390.c (override_options): Handle
4791 TARGET_DEFAULT_LONG_DOUBLE_128.
4793 * config/alpha/alpha.c (override_options): Handle
4794 TARGET_DEFAULT_LONG_DOUBLE_128.
4796 * config/sparc/sparc.c (sparc_override_options): Handle
4797 TARGET_DEFAULT_LONG_DOUBLE_128.
4799 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4801 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4802 (real-install-headers-tar, real-install-headers-cpio)
4803 (real-install-headers-cp): New targets.
4805 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4807 * tree.h (variable_section): Delete.
4808 * varasm.c (variable_section): Delete.
4810 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4812 * install.texi: Add notes on install.texi2html.
4813 (Building in parallel): Do not use footnotes.
4815 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4818 * doc/install.texi (Configuration): Document --disable-libgomp.
4820 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4822 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4824 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4826 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4827 (vec_extractv2df_0_sse): New.
4829 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4831 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4832 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4833 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4834 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4835 to the result of the expression.
4836 (def_cfa_1): Adjust.
4837 (frame_pointer_cfa_offset): Rename to...
4838 (frame_pointer_fb_offset): ... this. Adjust all uses.
4839 (convert_cfa_to_loc_list): Rename to...
4840 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4841 Pass it on to build_cfa_loc.
4842 (compute_frame_pointer_to_cfa_displacement): Rename to...
4843 (compute_frame_pointer_to_fb_displacement): ... this. New
4844 offset parameter. Use it in computation.
4845 (gen_subprogram_die): Compute cfa_fb_offset with the new
4846 macro, and use it to compute the fb loc list and the
4849 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4851 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4852 replaced with register_operand.
4853 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4854 non-DREG is expensive.
4855 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4856 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4859 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4861 * doc/install.texi2html: Use set -e.
4863 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4865 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4866 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4867 * doc/invoke.texi (-fshared-data): Delete.
4868 * common.opt (fshared-data): Delete.
4869 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4870 (assemble_static_space): Remove #if 0 code.
4871 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4872 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4873 * config/cris/cris.h: Remove FIXME.
4875 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4877 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4880 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4883 * combine.c (simplify_shift_const_1): Disable nested shifts
4884 optimization for vector shifts.
4886 2006-02-20 Roger Sayle <roger@eyesopen.com>
4888 PR tree-optimization/26361
4889 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4890 of unsigned integer types.
4892 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4894 * tree-chrec.c (eq_evolutions_p): New.
4895 * tree-chrec.h (eq_evolutions_p): Declared.
4896 * tree-data-ref.c: Fix formatting.
4897 (datadep_stats, dependence_stats): New.
4899 (print_direction_vector): New.
4900 (dump_data_dependence_relation): Use print_direction_vector.
4901 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4902 (compute_subscript_distance): Static.
4903 (initialize_data_dependence_relation): Static. Get the number
4904 of loops surrounding the references from the callers, and initialize
4905 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4906 base_object_differ_p analyzers.
4907 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4908 compute_overlap_steps_for_affine_1_2,
4909 analyze_subscript_affine_affine): Count the classified dependences.
4910 Print a message when a test failed.
4911 (can_use_analyze_subscript_affine_affine): New.
4912 (analyze_siv_subscript): Compute the data dependences on symbolic
4913 scevs that verify can_use_analyze_subscript_affine_affine.
4914 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4915 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4916 Handle symbolic scevs.
4917 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4919 (subscript_dependence_tester): Moved...
4920 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4921 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4922 DDR_SIZE_VECT instead of getting it in parameter.
4923 (subscript_dependence_tester): ... here. Take as a parameter
4924 loop_nest_depth. Call build_classic_dist_vector and
4925 build_classic_dir_vector.
4926 (compute_affine_dependence): Update subscript_dependence_tester
4927 parameters. Update datadep_stats counters. Call
4928 compute_subscript_distance.
4929 (compute_self_dependence): Save the dist and dir vectors. Call
4930 compute_subscript_distance.
4931 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4932 (compute_all_dependences): Reorder parameters as they were before
4933 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4934 compute_subscript_distance. Update the use of
4935 compute_affine_dependence and initialize_data_dependence_relation.
4936 (find_data_references_in_loop): Handle COMPONENT_REF.
4937 (compute_data_dependences_for_loop): Initialize dependence_stats.
4938 Don't call build_classic_dist_vector and build_classic_dir_vector.
4939 Update the parameters of initialize_data_dependence_relation and
4940 compute_all_dependences. Print the statistics from datadep_stats.
4941 (analyze_all_data_dependences): Static. Not used until the pass for
4942 checking the data dependences is contributed.
4943 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4944 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4945 (initialize_data_dependence_relation, compute_affine_dependence,
4946 analyze_all_data_dependences, compute_subscript_distance): Removed.
4947 (print_direction_vector): New.
4948 * lambda.h (gcd): ... here.
4949 (lambda_vector_gcd): Moved here from gcd_vector.
4950 * lambda-code.c (gcd, gcd_vector): Removed.
4951 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4952 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4954 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4956 * ipa-type-escape.c: Tidy some comments and white space.
4957 * tree-ssa-operands.c: Likewise.
4959 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4962 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4963 (dump_decl_name): Do not walk the decl tree chains.
4964 * tree-pass.h (TDF_CHAIN): Remove.
4966 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4968 * Makefile.in (C): Remove
4970 (.PHONY): Remove C and PROTO
4972 2006-02-20 Roger Sayle <roger@eyesopen.com>
4975 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4976 deprecated CHAR_TYPE tree code.
4978 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4980 * configure.ac (target_list): Add install-info, dvi, html.
4981 * configure: Regenerate.
4983 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4984 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4985 treelang/Make-lang.in: Do not use double-colon rules.
4987 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4989 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4990 (TMT_USED_ALONE): New macro.
4991 * tree-pass.h (PROP_tmt_usage): New property.
4992 (TODO_update_tmt_usage): New todo.
4993 * tree-ssa-alias.c (updating_used_alone): New variable.
4994 (recalculate_used_alone): New function.
4995 (compute_may_aliases): Set updating_used_alone, call
4996 recalculate_used_alone.
4997 * tree-sra.c (pass_sra): Note that this pass destroys
4998 PROP_tmt_usage, and add TODO_update_tmt_usage.
4999 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5000 * tree-flow.h (updating_used_alone): Prototype.
5001 (recalculate_used_alone): Ditto.
5002 * passes.c (execute_todo): Add code to set updating_used_alone,
5003 and call recalculate.
5004 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5005 for clobber if used alone, and add assert to verify used_alone
5008 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5010 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5011 for non tls symbols added.
5012 (legitimize_address): Do nothing for PLUS expressions if one of the
5013 addends is a tls symbol reference.
5015 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5019 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5021 * Makefile.in (BOOTSTRAPPING): New.
5022 (quickstrap): New definition if BOOTSTRAPPING=yes.
5024 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5025 * configure.ac: Substitute all_selected_languages with the languages
5026 that were configured. For all the other variables except
5027 lang_specs_files, include all the languages in the tree.
5028 * configure: Regenerate.
5030 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5031 if there is one. Run the commands to run fixincludes in the same
5034 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5035 * doc/install.texi: Document exact conventions for searching target tools.
5036 Document --with-build-time-tools. Document toplevel bootstrap. Document
5037 something more about building an Ada cross-compiler. Don't list GNU Make
5038 requirements which affect all platforms.
5040 2006-02-19 Roger Sayle <roger@eyesopen.com>
5043 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5044 only equivalent if the have both the same mode and precision.
5046 2006-02-20 Ben Elliston <bje@au.ibm.com>
5048 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5050 2006-02-19 Roger Sayle <roger@eyesopen.com>
5051 Steven Bosscher <stevenb.gcc@gmail.com>
5053 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5054 constant pool references to identify stack mode constants.
5055 * rtlanal.c (constant_pool_constant_p): New predicate to check
5056 whether operand is a floating point constant in the pool.
5057 * rtl.h (constant_pool_constant_p): Prototype here.
5058 * loop.c (scan_loop): Avoid hoisting constants from the constant
5059 pool on STACK_REGS targets.
5060 (load_mems): Likewise.
5061 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5062 loads into x87 registers expensive in terms of register pressure.
5064 2006-02-19 Roger Sayle <roger@eyesopen.com>
5066 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5067 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5069 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5071 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5072 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5074 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5076 * doc/invoke.texi: Document -fipa-pta.
5077 * common.opt: Add ipa-pta option.
5078 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5079 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5080 (do_ds_constraint): Ditto.
5081 (get_constraint_for): Only add to referenced_vars if
5082 referenced_vars exists.
5083 (insert_into_field_list): Rewrite to do this unsorted.
5084 (insert_into_field_list_sorted): Rename old insert_into_field_list
5086 (create_function_info_for): Use insert_into_field_list_sorted.
5087 (create_variable_info_for): Rewrite so it uses unsorted version,
5088 since the field list is sorted.
5089 (intra_create_variable_infos): Only add to referenced_vars if
5090 referenced_vars exists.
5091 (ipa_pta_execute): Init heapvars, and delete when done.
5092 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5094 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5096 * doc/install.texi: Add missing `@samp'.
5098 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5100 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5103 2006-02-18 Mark Wielaard <mark@klomp.org>
5105 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5106 who added new 4.1 features, bug fixes and integration support.
5108 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5111 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5114 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5116 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5117 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5118 (copy_insn_1): Likewise. Don't copy each field individually.
5120 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5122 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5123 * rtl.c (rtx_size): Rename variable to...
5124 (rtx_code_size): ...this.
5125 (rtx_size): New function.
5126 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5127 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5129 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5130 * rtl.h (rtx_code_size): New variable.
5131 (rtx_size): Change from a variable to a function.
5132 (RTX_SIZE): Rename to...
5133 (RTX_CODE_SIZE): ...this.
5136 PR tree-optimization/17106
5137 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5138 (Anchored Addresses): New section.
5139 * doc/invoke.texi (-fsection-anchors): Document.
5140 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5141 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5142 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5143 * hooks.c (hook_bool_mode_rtx_false): New function.
5144 * hooks.h (hook_bool_mode_rtx_false): Declare.
5145 * gengtype.c (create_optional_field): New function.
5146 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5147 SYMBOL_REF_IN_BLOCK_P is true.
5148 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5149 (min_anchor_offset, max_anchor_offset): Likewise.
5150 (use_anchors_for_symbol_p): New hook.
5151 * toplev.c (compile_file): Call output_object_blocks.
5152 (target_supports_section_anchors_p): New function.
5153 (process_options): Check that -fsection-anchors is only used on
5154 targets that support it and when -funit-at-a-time is in effect.
5155 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5156 if the decl doesn't have one.
5157 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5158 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5159 of force_const_mem through use_anchored_address.
5160 (expand_expr_constant): New function.
5161 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5162 calling expand_expr for INDIRECT_REF.
5163 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5164 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5165 * expr.h (use_anchored_address): Declare.
5166 * loop-unroll.c: Don't declare rtx vectors here.
5167 * explow.c: Include output.h.
5168 (validize_mem): Call use_anchored_address.
5169 (use_anchored_address): New function.
5170 * common.opt (-fsection-anchors): New switch.
5171 * varasm.c (object_block_htab, anchor_labelno): New variables.
5172 (hash_section, object_block_entry_eq, object_block_entry_hash)
5173 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5174 (use_blocks_for_decl_p, change_symbol_section): New functions.
5175 (get_variable_section): New function, split out from assemble_variable.
5176 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5177 use_blocks_for_decl_p say so. Use change_symbol_section if the
5178 symbol has already been created.
5179 (assemble_variable_contents): New function, split out from...
5180 (assemble_variable): ...here. Don't output any code for
5181 block symbols; just pass them to place_block_symbol.
5182 Use get_variable_section and assemble_variable_contents.
5183 (get_constant_alignment, get_constant_section, get_constant_size): New
5184 functions, split from output_constant_def_contents.
5185 (build_constant_desc): Create a block symbol if use_object_blocks_p
5186 says so. Or into SYMBOL_REF_FLAGS.
5187 (assemble_constant_contents): New function, split from...
5188 (output_constant_def_contents): ...here. Don't output any code
5189 for block symbols; just pass them to place_section_symbol.
5190 Use get_constant_section and get_constant_alignment.
5191 (force_const_mem): Create a block symbol if use_object_blocks_p and
5192 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5193 (output_constant_pool_1): Add an explicit alignment argument.
5194 Don't switch sections here.
5195 (output_constant_pool): Adjust call to output_constant_pool_1.
5196 Switch sections here instead. Don't output anything for block symbols;
5197 just pass them to place_block_symbol.
5198 (init_varasm_once): Initialize object_block_htab.
5199 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5200 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5201 (place_block_symbol, get_section_anchor, output_object_block)
5202 (output_object_block_htab, output_object_blocks): New functions.
5203 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5204 (TARGET_ASM_OUT): Include it.
5205 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5206 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5207 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5208 (TARGET_INITIALIZER): Include them.
5209 * rtl.c (rtl_check_failed_block_symbol): New function.
5210 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5211 (block_symbol, object_block): New structures.
5212 (rtx_def): Add a block_symbol field to the union.
5213 (BLOCK_SYMBOL_CHECK): New macro.
5214 (rtl_check_failed_block_symbol): Declare.
5215 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5216 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5217 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5218 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5219 * output.h (output_section_symbols): Declare.
5220 (object_block): Name structure.
5221 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5222 (default_use_anchors_for_symbol_p): Declare.
5223 * Makefile.in (RTL_BASE_H): Add vec.h.
5224 (explow.o): Depend on output.h.
5225 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5226 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5227 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5228 (rs6000_use_blocks_for_constant_p): New function.
5230 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5232 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5234 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5237 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5240 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5242 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5246 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5249 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5250 instead of DECL_REGISTER.
5252 2006-02-18 Olivier Hainque <hainque@adacore.com>
5255 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5257 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5260 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5261 * opth-gen.awk: Handle Var and InverseMask together.
5262 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5263 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5264 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5265 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5267 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5268 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5269 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5270 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5271 LINUX_DYNAMIC_LINKER): Define.
5272 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5273 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5275 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5276 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5277 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5279 (TARGET_C99_FUNCTIONS): Don't define.
5280 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5281 GLIBC_DYNAMIC_LINKER.
5282 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5283 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5284 GLIBC_DYNAMIC_LINKER64): Define.
5285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5286 LINUX_DYNAMIC_LINKER64.
5287 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5288 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5289 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5290 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5291 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5293 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5294 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5295 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5297 and LINUX_DYNAMIC_LINKER32.
5298 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5300 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5302 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5304 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5305 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5306 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5307 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5308 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5309 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5310 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5311 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5312 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5313 LINUX_DYNAMIC_LINKER): Define.
5314 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5315 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5316 GLIBC_DYNAMIC_LINKER64): Define.
5317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5318 LINUX_DYNAMIC_LINKER64.
5319 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5320 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5321 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5322 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5323 LINUX_DYNAMIC_LINKER): Define.
5324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5325 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5326 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5327 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5328 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5329 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5330 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5331 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5332 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5333 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5335 * doc/invoke.texi (-muclibc): Remove caveat about supported
5338 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5340 * doc/cpp.texi (__TIMESTAMP__): Document.
5342 2006-02-17 Roger Sayle <roger@eyesopen.com>
5345 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5346 C is one less than the width of X (and related transformations).
5347 * simplify-rtx.c (simplify_unary_operation_1): Transform
5348 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5349 depending on STORE_FLAG_VALUE, were C is one less then the
5352 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5354 Fix PR tree-optimization/26341
5355 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5356 about NAME_MEMORY_TAG's.
5358 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5361 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5362 with hardware float support, and software float support. Add fcpy
5363 alternative to hardware patterns. Add alternatives to copy between
5364 general and floating-point registers to the 32-bit pattern.
5365 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5366 secondary reload to load a QI or HI mode constant into a floating
5368 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5369 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5371 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5374 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5376 (load_macho_picbase_di): Likewise.
5378 2006-02-16 Jeff Law <law@redhat.com>
5380 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5381 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5382 (ssa_name_nonzero_p): Likewise.
5383 (get_value_range): Return NULL if VRP is not running.
5384 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5385 VRP routines do not discover a range.
5386 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5387 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5388 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5389 (tree_expr_nonnegative_p): Similarly.
5390 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5391 (restore_nonzero_vars_to_original_value): Remove.
5392 (unsafe_associative_fp_binop): Remove.
5393 (tree_ssa_dominator_optimize): Remove initialization and
5394 finalization of nonzero_vars and nonzero_vars_stack.
5395 (dom_opt_initialize_block): No longer push marker on
5397 (dom_opt_finalize_block): No longer call
5398 restore_nonzero_vars_to_original_value.
5399 (record_equivalences_from_phis): No longer look for
5400 nonzero PHI arguments.
5401 (cprop_into_successor_phis): No longer propagate nonzero
5402 property into PHI arguments. Lose unused argument. Caller
5404 (record_equivalences_from_stmt): No longer record nonzero
5405 values for SSA_NAMEs.
5406 (lookup_avail_expr): No longer use nonzero_vars.
5408 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5409 for sizetype when sizetype is unsigned.
5411 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5413 PR rtl-optimization/25603
5414 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5415 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5416 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5417 with new meaning of SETS.
5419 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5424 * config/linux.opt: New file.
5425 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5426 LINUX_DYNAMIC_LINKER): Define.
5427 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5428 * config.gcc (*-*-linux*): Define extra_options.
5429 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5430 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5431 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5432 GLIBC_DYNAMIC_LINKER.
5433 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5434 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5435 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5436 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5437 * doc/invoke.texi (GNU/Linux Options): New section.
5439 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5441 * config/sparc/sparc.md (setjmp): Rewrite.
5442 (setjmp_32): Delete.
5443 (setjmp_64): Likewise.
5445 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5447 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5450 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5452 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5455 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5457 PR rtl-optimization/26296
5458 * Makefile.in (loop-invariant.c): Add except.h dependency.
5459 * loop-invariant.c: Include except.h.
5460 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5462 2005-02-16 Paul Brook <paul@codesourcery.com>
5464 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5467 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5469 PR rtl-optimization/25636
5470 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5471 when deciding whether an insn is an initializing insn.
5473 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5475 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5476 (tree_code_size): Ditto.
5477 * tree.h (struct tree_memory_tag): Remove parent_var.
5478 (struct tree_struct_field_tag): New.
5481 (union tree_node): Add sft member.
5482 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5484 (create_sft): Add size and offset argument, set SFT_OFFSET and
5486 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5487 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5488 * tree-flow-inline.h (get_subvar_at): Update for
5489 SFT_OFFSET/SFT_SIZE.
5490 (var_can_have_subvars): Ditto.
5491 (overlap_subvar): Ditto.
5492 * print-tree.c (print_node): Print out interesting things for
5494 * tree-flow.h (struct subvar): Remove offset and size members.
5495 * tree-ssa-operands.c (get_expr_operands): Update for
5496 get_indirect_ref_operands changes.
5497 (get_indirect_ref_operands): Call add_virtual_operand instead of
5498 add_stmt_operand. Only recurse on base var if requested.
5499 (access_can_touch_variable): New function.
5500 (add_stmt_operand): Split virtual operand handling into ...
5501 (add_virtual_operand): Here. Add offset, size, and for_clobber
5502 arguments. Prune alias sets.
5503 (add_call_clobber_ops): Call add_virtual_operand.
5505 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5508 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5510 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5511 than TREE_CODE as index into omp_clause_num_ops array.
5513 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5515 PR rtl-optimization/26184
5516 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5518 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5519 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5520 must_precede, must_follow and tobe_scheduled.
5523 * opts.c (common_handle_option): Free new_option pointer.
5524 * df-core.c (df_analyze): Free postorder pointer.
5526 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5528 * Makefile.in: Fix the examples about the use of stamps
5530 2006-02-15 Michael Matz <matz@suse.de>
5534 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5535 influenced by maximum_field_alignment or DECL_PACKED.
5536 (update_alignment_for_field): Ditto.
5537 (place_field): Ditto.
5538 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5541 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5543 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5544 (debug_flow_info): Pass it.
5545 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5546 * bb-reorder.c (reorder_basic_blocks): Likewise.
5547 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5548 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5549 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5550 * gcse.c (gcse_main, bypass_jumps): Likewise.
5551 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5552 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5553 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5554 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5555 * rtl.h (dump_flow_info): Adjust prototype.
5556 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5557 * var-tracking.c (variable_tracking_main): Likewise.
5558 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5559 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5562 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5564 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5567 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5569 PR tree-optimization/26209
5570 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5571 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5573 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5575 2006-02-14 Roger Sayle <roger@eyesopen.com>
5578 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5579 (X,Y) and the corresponding symmetry related transformations.
5580 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5581 (X,Y) and its symmetry related transformations.
5583 2006-02-14 Roger Sayle <roger@eyesopen.com>
5585 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5588 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5590 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5592 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5595 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5596 support COMDAT group.
5597 * configure: Regenerate.
5599 2006-02-14 Roger Sayle <roger@eyesopen.com>
5604 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5606 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5608 Fix PR tree-optimization/26260
5610 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5612 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5613 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5614 * tree-ssa-structalias.c (create_variable_info_for): Use
5615 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5617 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5619 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5621 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5622 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5623 of the ending condition.
5624 * tree-ssa-loop-manip.c: Include params.h.
5625 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5626 tree_unroll_loop): New functions.
5627 * tree-pass.h (pass_loop_prefetch): Declare.
5628 * loop.c (rest_of_handle_loop_optimize): Test for
5629 -fprefetch-loop-arrays-rtl.
5630 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5631 * timevar.def (TV_TREE_PREFETCH): New timevar.
5632 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5633 pass_loop_prefetch): New.
5634 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5635 (cleanup_tree_cfg_loop): Call scev_reset.
5636 * common.opt (fprefetch-loop-arrays-rtl): Add.
5637 * tree-ssa-loop-prefetch.c: New file.
5638 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5639 (new_temp_expr_table): Initialize expr_vars.
5640 (free_temp_expr_table): Cleanup expr_vars.
5641 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5642 expressions from being merged into one.
5643 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5644 (struct tree_niter_desc): Add control, bound and cmp fields.
5645 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5647 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5648 (tree-cfgcleanup.o): Add SCEV_H dependency.
5649 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5650 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5652 2006-02-14 Richard Guenther <rguenther@suse.de>
5654 PR tree-optimization/26258
5655 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5656 in PHI argument processing.
5658 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5660 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5661 new expression in the requested machine mode.
5663 2006-02-13 Roger Sayle <roger@eyesopen.com>
5665 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5666 directly, instead let do_compare_rtx_and_jump handle this for us.
5667 * expr.c (expand_expr_real_1): Likewise.
5668 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5669 before do_jump_by_parts_greater.
5670 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5671 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5673 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5675 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5677 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5679 PR rtl-optimization/26235
5680 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5681 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5684 2006-02-13 Jeff Law <law@redhat.com>
5686 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5689 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5692 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5693 twice if decl is a builtin. When trying again, call get_callee_fndecl
5694 first to verify it is still a builtin.
5696 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5698 * dwarf2out.c (base_type_die): Don't add AT_name here.
5699 (subrange_type_die): Don't add AT_name here.
5700 (modified_type_die): Rearrange code flow. Do add AT_name here.
5702 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5704 PR rtl-optimization/26247
5705 PR rtl-optimization/26248
5706 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5708 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5710 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5711 * config/fixtfdi.c: Likewise.
5712 * config/fixunstfdi.c: Likewise.
5713 * config/floatditf.c: Likewise.
5715 2006-02-13 Roger Sayle <roger@eyesopen.com>
5718 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5719 into (X,C2) if C1 is a subset of the bits of C2. Transform
5720 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5722 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5724 2006-02-13 Josh Conner <jconner@apple.com>
5727 * varasm.c (function_section): Check for section name before
5728 calling select_section on targets that define
5729 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5730 unlikely_text_section instead of hot_function_section if
5731 first_function_block_is_cold.
5733 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5736 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5738 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5740 PR rtl-optimization/26222
5741 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5742 after tree->rtl expansion.
5743 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5744 before passing it to emit_move_insn.
5746 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5748 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5750 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5751 Clarify documentation.
5752 * c-common.h (warn_write_strings): Remove.
5753 * c-common.c (warn_write_strings): Likewise.
5754 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5757 2006-02-12 Roger Sayle <roger@eyesopen.com>
5760 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5761 (do_jump_parts_zero_rtx): New function renamed from
5762 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5763 (do_jump_parts_equality_rtx): New function split out from
5764 do_jump_parts_equality. Old implementation renamed as above.
5765 Call do_jump_parts_zero_rtx if either operand is zero.
5766 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5767 do all of the heavy lifting.
5768 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5769 calling either do_jump_by_parts_greater_rtx or
5770 do_jump_by_parts_equality_rtx.
5771 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5772 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5773 moved to do_compare_rtx_and_jump, call it directly.
5774 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5775 mode argument. Call do_compare_rtx_and_jump.
5776 (emit_case_nodes): Update calls to do_jump_if_equal.
5778 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5780 PR rtl-optimization/26225
5781 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5783 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5785 PR rtl-optimization/26232
5786 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5788 2006-02-11 Jason Merrill <jason@redhat.com>
5791 * tree-inline.c (declare_return_variable): Just don't use the
5792 modify target if it's a gimple complex reg and the return slot
5795 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5797 * doc/contrib.texi: Update my entry.
5799 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5801 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5803 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5805 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5808 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5810 * doc/invoke.texi (-floop-optimize2): Removed.
5811 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5812 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5813 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5814 * common.opt (floop-optimize2): Removed.
5815 (fmove-loop-invariants): Enabled by default.
5817 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5819 * tree-if-conv.c (combine_blocks): Free the result of
5820 get_loop_exit_edges.
5822 2006-02-10 Jeff Law <law@redhat.com>
5824 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5826 PR tree-optimization/26213
5827 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5828 loop trying to follow SSA_NAME_VALUE chains.
5830 2006-02-10 Richard Guenther <rguenther@suse.de>
5832 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5833 deal with structures that end in implicitly variable sized arrays.
5835 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5837 PR rtl-optimization/24762
5838 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5841 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5843 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5844 (struct ivopts_data): Add regs_used field.
5845 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5846 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5847 instead of loop_data->regs_used;
5848 (free_loop_data): Do not free aux fields for loops.
5849 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5850 and tree_ssa_iv_optimize_finalize.
5852 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5854 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5856 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5859 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5860 computing the effective result type.
5862 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5865 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5866 (tree_overlaps_hard_reg_set): Declare.
5867 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5868 type and signature to match function type expected by walk_tree.
5869 (tree_overlaps_hard_reg_set): New function.
5870 (decl_conflicts_with_clobbers_p): Rename to:
5871 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5872 Use tree_overlaps_hard_reg_set. Changed caller.
5873 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5874 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5875 * cris.c (cris_md_asm_clobbers): Likewise.
5877 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5879 * reload1.c (emit_input_reload_insns): Delete code that tries to
5880 inherit using find_equiv_reg.
5882 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5884 * c-common.h (flag_const_strings): Don't declare.
5885 * c-common.c (flag_const_strings): Remove.
5886 * c.opt (fconst_strings): Remove.
5887 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5888 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5889 (c_common_init_options): Don't set flag_const_strings.
5890 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5892 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5894 * arm.md (tlobits_cbranch): New pattern.
5895 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5896 testing a single bit.
5898 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5901 * tree-ssa-pre.c (create_component_ref_by_pieces):
5902 Handle RETURN_DECL like VAR_DECL.
5904 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5907 * fold-const.c (fold_indirect_ref_1): Fold
5908 "*(foo *)&complexfoo" to "__real__ complexfoo"
5909 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5911 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5913 * tree-flow-inline.h (var_can_have_subvars):
5914 Volatile variables should not have subvariables.
5916 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5919 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5920 multiplying unsigned values.
5923 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5925 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5927 2006-02-08 Jason Merrill <jason@redhat.com>
5930 * tree.def: Elaborate on difference from MODIFY_EXPR.
5931 * doc/c-tree.texi (INIT_EXPR): Likewise.
5932 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5933 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5934 (gimplify_target_expr): Likewise.
5935 (gimplify_cond_expr): Remove target handling.
5936 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5937 (gimplify_expr): Clobber it here.
5938 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5939 Do return slot optimization if we have an INIT_EXPR.
5942 * tree-inline.c (declare_return_variable): Also clear
5943 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5946 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5949 * gimplify.c (gimplify_one_sizepos): Fix typo.
5951 2006-02-08 Jeff Law <law@redhat.com>
5953 PR tree-optimization/21417
5954 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5955 across a backedge if the control statement at the end of the
5956 block is data dependent on other statements in the same block.
5957 (record_temporary_equivalences_from_stmts): Remove over-conservative
5958 test for threading across backedges.
5960 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5961 control statement, handle all three special cases in the same
5962 manner as they all have the same desired solution. No longer
5963 special case edge flag updating when the post dominator is
5966 2006-02-08 Roger Sayle <roger@eyesopen.com>
5968 * tree.def (CHAR_TYPE): Remove.
5969 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5970 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5971 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5972 (gen_string_type_die): Delete unreachable function.
5974 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5975 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5976 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5977 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5978 * builtins.c (type_to_class): Likewise.
5979 * fold-const.c (fold_convert, build_range_check,
5980 merge_ranges): Likewise.
5981 * expr.c (count_type_elements): Likewise.
5982 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5983 * stor-layout.c (layout_type): Likewise.
5984 * ipa-type-escape.c (type_to_consider): Likewise.
5985 * gimplify.c (omp_firstprivatize_type_sizes,
5986 gimplify_type_sizes): Likewise.
5987 * explow.c (promote_mode): Likewise.
5988 * tree-sra.c (is_sra_scalar_type): Likewise.
5989 * varasm.c (output_constant): Likewise.
5990 * tree-inline.c (remap_type_1): Likewise.
5991 * convert.c (convert_to_pointer, convert_to_real,
5992 convert_to_integer, convert_to_complex): Likewise.
5994 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5996 * df-scan.c (df_def_record_1): A set destination may
5997 be a parallel regardless of mode.
5999 2006-02-08 Roger Sayle <roger@eyesopen.com>
6002 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6003 * config/mips/_tilib.c: Remove.
6004 * config/fixtfdi.c: New libgcc source file.
6005 * config/fixunstfdi.c: New source file.
6006 * config/floatditf.c: New source file.
6007 * config/floatunditf.c: New souce file.
6008 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6009 files above instead of config/mips/_tilib.c.
6010 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6012 2006-02-08 Jeff Law <law@redhat.com>
6014 PR tree-optimization/26169
6015 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6018 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6020 * df.h (DF_REG_SIZE): Return the length of the initialized
6023 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6025 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6026 __muldf3): Return a correctly signed zero.
6028 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6030 * passes.c (register_one_dump_file): Accept the current properties
6031 instead of pass number. Adjust call to dump_register. Remove
6033 (register_dump_files): Now a wrapper around...
6034 (register_dump_files_1): ... this one. Do not modify the pass
6036 (next_pass_1): Cosmetic fix.
6037 (execute_todo): Keep second parameter only. Use curr_properties
6038 instead of fetching it from the pass structure. Check and set
6040 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6041 instead of fetching it from the pass structure. Fix calls to
6042 execute_todo. Update curr_properties and initialize .vcg RTL dump
6043 after running the pass. Reset last_verified.
6044 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6046 (FIRST_AUTO_NUMBERED_DUMP): New.
6047 (dump_register): Remove "num" parameter, assign it within the
6049 (get_dump_file_name): Modify template for dumps.
6050 * tree-dump.h (dump_register): Adjust prototype.
6051 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6052 (PROP_trees): Add PROP_gimple_lomp.
6053 (TODO_set_props): New.
6054 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6055 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6056 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6058 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6060 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6061 (sparc64-*-linux*): Likewise.
6062 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6063 * config/sparc/t-linux: New file.
6064 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6065 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6066 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6067 -m32 -mlong-double-128.
6069 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6070 * config/alpha/t-linux: New file.
6071 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6073 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6074 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6075 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6076 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6077 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6078 (CPP_ARCH32_SPEC): Remove.
6080 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6082 PR tree-optimization/26145
6083 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6086 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6089 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6090 >= 240000 when generating code for SOM runtime.
6091 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6092 to $$dyncall when generating code for SOM runtime..
6094 2006-02-07 Dirk Mueller <dmueller@suse.com>
6097 * doc/invoke.texi (-Wsequence-point): Update documentation
6098 that -Wsequence-point is implemented for C++ as well.
6100 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6102 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6103 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6104 (LIB_SPEC): Likewise.
6105 * doc/invoke.texi (SPARC options): Document -pthread.
6107 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6109 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6112 2006-02-07 Roger Sayle <roger@eyesopen.com>
6114 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6115 Correct comment describing BOOLEAN_TYPE.
6117 2006-02-07 Dirk Mueller <dmueller@suse.com>
6119 * c.opt: C++ frontend supports -Wdiv-by-zero.
6120 * c-opts.c (c_common_handle_option): Remove dead case.
6122 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6124 * configure.ac (TLS assembler check): Do not enable TLS by
6125 default on SPARC/Solaris before version 10.
6126 * configure: Regenerate.
6128 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6130 * doc/invoke.texi (xl-compat): Document conversion and support
6133 2006-02-07 Jeff Law <law@redhat.com>
6135 * tree-vrp.c (find_conditional_asserts): Update comments.
6136 (simplify_stmt_for_jump_threading): New.
6137 (identify_jump_threads, finalize_jump_threads): New.
6138 (vrp_finalize): Call identify_jump_threads.
6139 (execute_vrp): Call finalize_jump_threads.
6140 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6141 (vrp_element, vrp_data, vrp_element_p): Remove.
6142 (vrp_hash_elt, vrp_variables_stack): Remove.
6143 (vrp_hash, vrp_eq, record_range): Remove.
6144 (simplify_cond_and_lookup_avail_expr): Remove.
6145 (extract_range_from_cond): Remove.
6146 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6147 (simplify_stmt_for_jump_threading): New.
6148 (dom_thread_across_edge): New wrapper.
6149 (tree_ssa_dominator_optimize): No longer initialize or
6150 finalize any of the VRP datastructures. Remove iteration
6151 step and simplify as a result of removal of iteration step.
6152 (pass_dominator): Perform a cfg cleanup after DOM.
6153 (dom_opt_finalize_block): Use the new common routines
6154 for threading jumps. Simplify stack management slightly.
6155 No longer need to unwind VRP state.
6156 (record_equivalences_from_incoming_edge): No longer record
6158 (eliminate_redundant_computations): No longer call
6159 simplify_cond_and_lookup_avail_expr.
6160 * tree-flow.h (potentially_threadable_block): Prototype.
6161 (thread_across_edge): Likewise.
6162 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6163 (tree-ssa-threadedge.o): Add dependencies.
6164 * tree-ssa-threadedge.c: New file.
6165 * passes.c (init_optimization_passes): Merge PHIs before
6166 calling VRP. Run VRP again late in the SSA optimization pipeline.
6168 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6170 * df-core.c (df_set_blocks): Do not dereference function pointers.
6171 (df_finish1): Likewise.
6172 (df_hybrid_search_forward): Likewise.
6173 (df_hybrid_search_backward): Likewise.
6174 (df_iterative_dataflow): Likewise.
6175 (df_analyze_problem): Likewise.
6176 (df_compact_blocks): Likewise.
6177 (df_dump): Likewise.
6178 * df-scan.c (df_rescan_blocks): Likewise.
6179 (df_record_entry_block_defs): Likewise.
6181 * genconditions.c (write_conditions): Guard the definition of
6182 'insn_conditions' with the check on GCC version.
6183 (write_writer): Guard the traversal 'insn_conditions' with
6184 the check on GCC version.
6186 2006-02-07 Richard Guenther <rguenther@suse.de>
6190 2006-01-30 Richard Guenther <rguenther@suse.de>
6192 * gimplify.c (gimplify_target_expr): Handle easy cases
6193 without creating a temporary.
6195 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6197 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6198 use of float in probability computations. Use edge probabilities
6199 in place of statically computed probabilities.
6200 (min_spec_prob): New static variable.
6201 (schedule_insns): Initialize it.
6202 (GET_SRC_PROB): Removed.
6203 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6205 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6208 * config/ia64/unwind-ia64.c: Revert last change.
6209 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6210 (INCOMING_FRAME_SP_OFFSET): Define.
6212 2006-02-06 Roger Sayle <roger@eyesopen.com>
6214 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6216 2006-02-07 Ben Elliston <bje@au.ibm.com>
6218 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6219 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6220 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6221 (ix86_return_in_memory): Handle TDmode.
6222 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6223 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6225 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6227 * reorg.c (dbr_schedule): Use dump_file instead of file.
6229 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6232 * config/ia64/predicates.md (extr_len_operand): New predicate.
6233 * config/ia64/ia64.md (extv): Tighten constraints.
6235 (*tbit_and_2): Ditto.
6236 (*tbit_and_3): Ditto.
6237 (*tbit_or_2): Ditto.
6238 (*tbit_or_3): Ditto.
6242 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6245 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6247 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6249 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6250 loop_optimizer_init and loop_optimizer_finalize
6251 * tree-ssa-sink.c (execute_sink_code): Ditto.
6252 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6253 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6254 tree_ssa_loop_done): Ditto.
6255 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6256 * sched-ebb.c: Include output.h.
6257 (schedule_ebbs): Do not use dump argument.
6258 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6259 * loop.c (loop_dump_stream): Removed.
6260 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6262 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6263 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6264 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6265 loop_iterations, strength_reduce, record_biv, record_giv,
6266 final_giv_value, check_final_value, check_ext_dependent_givs,
6267 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6268 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6269 dump_file instead of loop_dump_stream.
6270 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6272 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6274 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6275 * haifa-sched.c: Include output.h
6276 (schedule_insns, sched_init): Do not use dump argument.
6277 * mode-switching.c (optimize_mode_switching): Ditto.
6278 * modulo-sched.c (stats_file): Removed.
6279 (print_node_sched_params): Do not call argument dump_file.
6280 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6281 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6283 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6285 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6286 rtl_loop_init, rtl_loop_done): Ditto.
6287 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6288 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6290 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6291 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6292 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6293 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6294 * emit-rtl.c (renumber_insns): Ditto.
6295 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6296 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6297 * regclass.c (regclass): Ditto.
6298 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6299 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6300 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6301 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6303 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6304 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6306 * gcse.c (gcse_file, debug_stderr): Removed.
6307 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6308 rest_of_handle_gcse): Do not use dump argument.
6309 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6310 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6311 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6312 compute_code_hoist_vbeinout, compute_code_hoist_data,
6313 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6314 compute_store_table, build_store_vectors, insert_insn_start_bb,
6315 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6316 store_motion): Use dump_file instead of gcse_file.
6317 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6318 * profile.c (profile_dump_file): Removed.
6319 (branch_prob): Use dump_file instead of profile_dump_file.
6320 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6322 * tree-ssa-copy.c (dump_copy_of): Ditto.
6323 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6324 dump file to life_analysis.
6325 * bt-load.c (branch_target_load_optimize): Ditto.
6326 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6328 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6329 regclass, dbr_schedule): Declaration changed.
6330 * sched-int.h (sched_init): Declaration changed.
6331 * tree-profile.c (tree_profile_dump_file): Removed.
6332 (tree_profile_hooks): Removed profile_dump_file hook.
6333 * rtl-profile (rtl_profile_dump_file): Removed.
6334 (rtl_profile_hooks): emoved profile_dump_file hook.
6335 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6337 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6338 * tree-cfg.c (build_tree_cfg): Ditto.
6339 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6340 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6341 Declaration changed.
6342 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6343 life_analysis and schedule_insns.
6344 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6346 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6348 * config/mips/mips.c (mips_reorg): Ditto.
6349 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6352 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6354 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6355 (s390_mangle_fundamental_type): New.
6356 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6359 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6360 (alpha_mangle_fundamental_type): New.
6361 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6364 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6366 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6368 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6369 (sparc_mangle_fundamental_type): New.
6371 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6373 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6374 (s390x-*-linux*): Likewise.
6375 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6376 * config/s390/t-linux: New file.
6378 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6380 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6381 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6383 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6385 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6386 (ANTIC_SAFE_LOADS): New macro.
6387 (find_or_generate_expression): Add prototype.
6388 (set_contains_value): Allow null set for sake of not always having
6389 to allocate ANTIC_SAFE_LOADS.
6390 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6391 Allow COMPONENT_REF too.
6392 (valid_in_set): Allow COMPONENT_REF.
6393 Check ANTIC_SAFE_LOADS too.
6394 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6395 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6397 (can_PRE_operation): Add COMPONENT_REF.
6398 (create_component_ref_by_pieces): New function.
6399 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6400 (insert_aux): Move AGGREGATE_TYPE_P check here.
6401 (compute_avail): Set bb local stmt uids.
6402 (pass_pre): Use TODO_update_ssa_only_virtuals.
6404 2006-02-06 Ben Elliston <bje@au.ibm.com>
6406 * configure.ac: Unconditionally disable decimal float by default.
6407 * configure: Regenerate.
6409 2006-02-06 Ben Elliston <bje@au.ibm.com>
6411 * read-rtl.c (read_name): Terminate reading on EOF.
6413 2006-02-06 Ben Elliston <bje@au.ibm.com>
6415 * dfp.c (decimal_real_arithmetic): Change second argument type
6416 from int to enum tree_code. Do not always return true, but now
6417 return result of any call to decimal_do helper functions.
6418 * dfp.h (decimal_real_arithmetic): Update prototype.
6420 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6422 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6424 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6427 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6430 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6432 * tree-vrp.c (cfg_loops): Removed.
6433 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6434 Use current_loops instead of cfg_loops. Pass flags to
6435 loop_optimizer_init.
6436 * cfgloopmanip.c (fix_loop_structure): Update only available
6438 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6439 loop_optimizer_init.
6440 * modulo-sched.c (build_loops_structure): Removed.
6441 (sms_schedule): Use loop_optimizer_init.
6442 * loop-init.c (loop_optimizer_init): Use flags to determine
6443 which properties of loops to prepare.
6444 (rtl_loop_init): Pass flags to loop_optimizer_init.
6445 * tree-ssa-sink.c (execute_sink_code): Ditto.
6446 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6447 * tree-ssa-pre.c (init_pre): Ditto.
6448 * cfgloop.h (LOOPS_NORMAL): New.
6449 (loop_optimizer_init): Declaration changed.
6451 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6453 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6454 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6456 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6458 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6460 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6461 * pa/t-pa64: Delete quadlib.c rule.
6462 * pa/x-ada: Revert last change.
6463 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6465 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6467 PR rtl-optimization/26087
6468 * rtlanal.c (canonicalize_condition): Do not cross basic block
6471 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6474 * config/ia64/ia64.c: Include debug.h.
6475 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6476 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6477 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6478 (process_epilogue, process_set, process_for_unwind_directive):
6479 Output unwind info only if requested. Add CFA info if requested.
6480 Add new arguments as needed. Adjust callers.
6481 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6483 (DWARF2_FRAME_INFO): Define to zero.
6484 * config/ia64/unwind-ia64.c: Remove code that compensated for
6485 the CFA offset error fixed above.
6486 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6487 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6488 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6489 -funwind-tables and -fexceptions to enable frame info.
6490 (dwarf2out_frame_init): Define initial CFA even if
6491 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6492 DWARF2_UNWIND_INFO is nonzero, not just defined.
6493 (dwarf2out_frame_finish): Output non-EH call frame info only
6494 if DWARF2_FRAME_INFO is nonzero.
6495 (convert_cfa_to_loc_list,
6496 compute_frame_pointer_to_cfa_displacement): Define even if
6497 unwind info is not supported.
6498 (gen_subprogram_die): Use the above unconditionally. Remove
6499 legacy alternate code.
6500 * toplev.c (compile_file): Compile in call to
6501 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6502 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6504 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6505 Jakub Jelinek <jakub@redhat.com>
6507 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6508 IBM extended float format long double as "g" on powerpc*-linux.
6510 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6513 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6514 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6516 2006-02-03 Jason Merrill <jason@redhat.com>
6519 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6522 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6523 on the return slot if it's an NRV.
6525 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6527 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6528 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6529 rewrite_use): Do not handle USE_OUTER.
6530 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6531 add_iv_outer_candidates, may_replace_final_value,
6532 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6533 (find_interesting_uses_op): Functionality of
6534 find_interesting_uses_outer_or_nonlin moved here.
6535 (find_interesting_uses_outside): Use find_interesting_uses_op.
6537 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6540 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6542 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6543 Ulrich Weigand <uweigand@de.ibm.com>
6546 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6547 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6548 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6549 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6551 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6552 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6553 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6554 Define secondary reloads for TFmode moves.
6555 (constant_modes): Add TFmode.
6556 (NR_C_MODES): Set to 8.
6557 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6559 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6560 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6561 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6562 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6563 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6564 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6565 (FPR mode macro): Add TFmode.
6566 (DSF mode macro): New.
6567 (<de>, <dee> mode attributes): Removed.
6568 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6569 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6570 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6571 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6572 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6573 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6574 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6575 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6576 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6577 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6578 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6579 "*negabs<mode>2", "sqrt<mode>2"):
6580 Changed <de> to <xde>. R constraint replaced by <Rf>.
6581 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6583 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6584 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6585 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6587 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6588 "extenddftf2", "extendsftf2"): New expanders.
6589 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6590 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6591 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6592 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6594 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6595 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6596 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6597 __floatditf): Add a GCC_4.1.0 symbol version tag.
6598 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6601 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6604 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6605 Use targetm.binds_local_p instead of TREE_PUBLIC.
6607 2006-02-02 Roger Sayle <roger@eyesopen.com>
6609 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6610 on INTEGER_TYPEs to indicate that it denotes a character type.
6611 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6612 signed_char_type_node, unsigned_char_type_node and char_type_node.
6613 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6614 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6615 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6617 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6618 Daniel Berlin <dberlin@dberlin.org>
6620 * tree-tailcall.c (arg_needs_copy_p): New function.
6621 (eliminate_tail_call): Use arg_needs_copy_p.
6622 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6623 (add_virtual_phis): New function.
6625 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6627 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6628 #ignore instead of #scratch for %g7 .register directive.
6630 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6632 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6635 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6637 * flow.c (calculate_global_regs_live): Assert that there aren't any
6640 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6642 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6644 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6645 bsi_after_labels iterator.
6646 * tree-if-conv.c (find_phi_replacement_condition,
6647 replace_phi_with_cond_modify_expr): Likewise.
6648 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6649 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6651 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6653 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6655 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6658 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6659 array after growing it.
6661 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6664 * fold-const.c (fold_checksum_tree): Change type of buf.
6666 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6668 * reload.c (push_secondary_reload): Initialize t_icode.
6670 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6672 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6673 -msoft-float -mlong-double-128 only issue a warning, but don't
6674 swich to DFmode long double.
6676 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6678 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6679 has a constant equivalent, iterate over equivalents for arg0,
6680 calling simplify_relational_operation and if there's a result
6681 cheaper than X, apply fold_rtx and return the result.
6683 2006-02-01 Jan Hubicka <jh@suse.cz>
6685 * opts.c (no_unit_at_a_time_default): New global variable.
6686 (decode_options): Use it.
6687 * opts.h (no_unit_at_a_time_default): Declare.
6689 2006-02-01 Paul Brook <paul@codesourcery.com>
6691 * function.c (assign_parm_setup_reg): Use function argument promotion
6693 * expr.c (expand_expr_real_1): Use function argument promotion rules
6696 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6698 * gcc.c (process_command): Change j to 'unsigned int'.
6700 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6703 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6704 Use the corrected index for the character
6705 out of the string constant.
6707 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6709 * mode-switching.c (optimize_mode_switching): Fix size
6710 allocated for bb_info[n_entities].
6712 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6714 * gcc.c (main): Correct type that is allocated for
6715 explicit_link_files.
6717 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6719 * config/s390/s390.c (init_alignment_context): Set
6720 ALIAS_SET_MEMORY_BARRIER on the MEM.
6721 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6723 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6726 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6728 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6731 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6733 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6734 * regrename.c: Ditto.
6735 * tree-ssa-loop-im.c: Ditto.
6736 * tree-dump.c: Ditto.
6737 * tree-complex.c: Ditto.
6738 * genrecog.c: Ditto.
6739 * tree-ssa-threadupdate.c: Ditto.
6741 * java/class.c: Ditto.
6742 * java/jcf-parse.c: Ditto.
6743 * java/resource.c: Ditto.
6744 * java/except.c: Ditto.
6745 * java/jvspec.c: Ditto.
6746 * java/jcf-write.c: Ditto.
6747 * java/jcf-path.c: Ditto.
6748 * java/gjavah.c: Ditto.
6749 * java/zextract.c: Ditto.
6750 * java/jcf-io.c: Ditto.
6751 * java/jcf.h: Ditto.
6752 * java/buffer.c: Ditto.
6753 * java/lang.c: Ditto.
6754 * java/parse-scan.y: Ditto.
6755 * java/lex.c: Ditto.
6756 * java/lex.h: Ditto.
6757 * cfgloopmanip.c: Ditto.
6758 * postreload-gcse.c: Ditto.
6759 * tree-ssa-loop-manip.c: Ditto.
6760 * postreload.c: Ditto.
6761 * tree-ssa-loop-ch.c: Ditto.
6765 * diagnostic.c: Ditto.
6767 * genoutput.c: Ditto.
6769 * cfghooks.c: Ditto.
6770 * cfgloopanal.c: Ditto.
6771 * objc/objc-act.c: Ditto.
6773 * genextract.c: Ditto.
6774 * genautomata.c: Ditto.
6775 * pretty-print.c: Ditto.
6777 * cgraphunit.c: Ditto.
6780 * haifa-sched.c: Ditto.
6781 * dominance.c: Ditto.
6783 * tree-ssa-loop-ivopts.c: Ditto.
6785 * mode-switching.c: Ditto.
6786 * modulo-sched.c: Ditto.
6788 * ipa-pure-const.c: Ditto.
6790 * fix-header.c: Ditto.
6792 * tree-stdarg.c: Ditto.
6793 * ipa-utils.c: Ditto.
6794 * loop-init.c: Ditto.
6795 * ipa-inline.c: Ditto.
6798 * alloc-pool.c: Ditto.
6799 * dwarf2out.c: Ditto.
6801 * genattrtab.c: Ditto.
6802 * tree-ssa-loop-ivcanon.c: Ditto.
6806 * fortran/gfortranspec.c: Ditto.
6808 * local-alloc.c: Ditto.
6809 * langhooks.c: Ditto.
6810 * function.c: Ditto.
6811 * tree-vectorizer.c: Ditto.
6813 * ipa-type-escape.c: Ditto.
6815 * tree-if-conv.c: Ditto.
6818 * tree-data-ref.c: Ditto.
6819 * loop-unroll.c: Ditto.
6820 * treelang/treetree.c: Ditto.
6823 * ggc-common.c: Ditto.
6825 * coverage.c: Ditto.
6827 * tree-cfgcleanup.c: Ditto.
6828 * tree-ssa-pre.c: Ditto.
6829 * cfgcleanup.c: Ditto.
6830 * loop-invariant.c: Ditto.
6832 * ipa-prop.c: Ditto.
6833 * print-tree.c: Ditto.
6834 * conflict.c: Ditto.
6835 * ggc-page.c: Ditto.
6836 * sched-deps.c: Ditto.
6837 * regclass.c: Ditto.
6838 * tree-object-size.c: Ditto.
6840 * bb-reorder.c: Ditto.
6841 * resource.c: Ditto.
6842 * var-tracking.c: Ditto.
6844 * df-problems.c: Ditto.
6845 * reg-stack.c: Ditto.
6848 * sched-rgn.c: Ditto.
6849 * tree-ssa-structalias.c: Ditto.
6850 * tree-ssa-reassoc.c: Ditto.
6851 * config/darwin-c.c: Ditto.
6852 * config/darwin.c: Ditto.
6853 * config/arm/arm.c: Ditto.
6855 * collect2.c: Ditto.
6858 2006-01-31 Nicolas Pitre <nico@cam.org>
6860 * arm.md (smaxsi3): Make aware of smax_m1.
6863 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6865 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6867 2006-01-31 Richard Guenther <rguenther@suse.de>
6869 * doc/invoke.texi (-msselibm): Document.
6870 * target.h (expand_library_builtin): New target hook.
6871 * builtins.c (expand_builtin): Use expand_library_builtin.
6872 (default_expand_library_builtin): New function.
6873 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6874 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6875 (link_gcc_math_spec): Declare.
6876 (static_specs): Add link_gcc_math_spec.
6877 * expr.h (default_expand_library_builtin): Declare.
6878 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6879 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6880 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6881 * config/i386/i386.opt (msselibm): New target option.
6882 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6883 (ix86_init_sse_abi_builtins): New function.
6884 (ix86_expand_library_builtin): Likewise.
6885 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6886 (override_options): Handle error conditions wrt -msselibm.
6887 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6888 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6889 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6892 2006-01-31 Richard Guenther <rguenther@suse.de>
6893 Paolo Bonzini <bonzini@gnu.org>
6895 * doc/install.texi (--disable-libgcc-math): Document.
6897 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6899 * expr.h (expand_normal): new inline function.
6900 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6902 * dwarf2out.c: use it.
6907 * config/sparc/sparc.c: use it.
6908 * config/i386/i386.c: use it.
6909 * config/rs6000/rs6000.c: use it.
6910 * config/arm/arm.c: use it.
6911 * config/mips/mips.c: use it.
6912 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6914 2006-01-30 Roger Sayle <roger@eyesopen.com>
6916 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6917 argv to the appropriate type.
6919 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6921 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6924 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6927 * config/s390/s390.c (struct machine_function): New flag
6928 decomposed_literal_pool_addresses_ok_p.
6929 (s390_reorg): Set it before final stage of literal pool transforms.
6930 (s390_decompose_address): Only accept displacements of the form
6931 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6933 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6935 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6936 the comparison routine return.
6938 2006-01-30 Michael Matz <matz@suse.de>
6940 * global.c (find_reg): Only evict for global regs.
6941 Take n_refs into account and dump more info.
6943 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6946 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6947 (pragma_trap, pragma_nosave_low_regs): Likewise.
6948 (current_function_anonymous_args): Likewise.
6949 (sh_deferred_function_attributes): New variable.
6950 (sh_deferred_function_attributes_tail): Likewise.
6951 (print_operand): For '@', look up trap_exit attribute.
6952 (calc_live_regs): Look up trapa_handler attribute. For trapa
6953 handlers, save/restore fpscr, but don't do any other
6954 interrupt-specific saves.
6955 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6956 Fix check for partially saved registers to check for SHmedia.
6957 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6958 (sh_output_function_epilogue): Don't clear any of the removed
6960 (sh_insert_attributes): Don't check pragma_interrupt.
6961 Insert deferred attributes. Check that interrupt attribute is
6962 present for other attributes that require its presence.
6963 (sh_attribute_table): Add new attributes trapa_handler and
6965 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6966 Don't check for pragma_interrupt. Don't store argument.
6967 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6968 (sh_deferred_function_attributes): Declare.
6969 (sh_deferred_function_attributes_tail): Likewise.
6970 * sh.md (sp_switch_1): Add operand. Change generator caller.
6971 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6972 (*return_i): Don't use when trap_exit attribute is in effect.
6973 (*return_trapa): New insn pattern.
6975 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6976 setting c_target_objs and cxx_target_objs.
6977 * t-sh: Add rule for sh-c.o.
6979 2006-01-30 Richard Guenther <rguenther@suse.de>
6982 * gimplify.c (gimplify_target_expr): Handle easy cases
6983 without creating a temporary.
6985 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6987 * vec.h (safe_grow): Remove duplicated line.
6989 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6992 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6993 (expand_omp): ... here.
6994 (expand_omp_parallel): Only remove barriers for combined
6995 parallel+workshare constructs.
6997 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7001 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7002 * tree.c (build_qualified_type): Chain the new type to the original
7003 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7004 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7005 (build_pointer_type_for_mode): Only return unqualified types.
7006 (build_reference_type_for_mode): Likewise.
7008 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7010 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7011 * Makefile.in (CXX_COMPAT_WARN): Define.
7012 * configure: Regenerate.
7014 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7017 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7020 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7022 * toplev.c: Fix thinko.
7024 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7025 Marcin Dalecki <martin@dalecki.de>
7027 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7028 (push_srcloc): Use XNEW.
7029 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7031 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7033 * df-core.c (df_set_blocks): Deleted all variable.
7035 2006-01-28 Ian Lance Taylor <ian@airs.com>
7037 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7038 cgraph_output_pending_asms.
7040 2006-01-28 Zack Weinberg <zackw@panix.com>
7042 * c.opt: Add -W(no-)overlength-strings.
7043 * doc/invoke.texi: Document it.
7044 * c-opts.c (c_common_handle_option): -pedantic implies
7045 -Woverlength-strings, if not explicitly disabled already.
7046 (c_common_post_options): -Woverlength-strings defaults to off, and
7047 is always off for C++.
7048 * c-common.c (fix_string_type): Issue warning about strings longer
7049 than is portable only if warn_overlength_strings. Rearrange code
7050 a little for clarity.
7051 * configure.in: Check for -Wno-overlength-strings as well before
7052 enabling -pedantic in stage 1.
7053 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7054 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7056 * genconditions.c (write_header, write_one_condition)
7057 (write_conditions, write_writer): Consolidate very long strings
7058 that were broken up to fit in C89 portable limit. Don't use
7059 printf when fputs will do.
7061 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7063 * combine.c (simplify_comparison <AND>): Check
7064 TRULY_NOOP_TRUNCATION before start using a subreg.
7066 * config/mips/mips.md (*branch_zero<mode>,
7067 *branch_zero<mode>_inverted, *branch_equality<mode>,
7068 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7069 Remove mode check from comparisons.
7071 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7073 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7075 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7077 * expmed.c (const_mult_add_overflow_p): Remove.
7078 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7080 * recog.c (validate_replace_rtx_subexp): Remove.
7081 * recog.h: Remove the prototype for
7082 validate_replace_rtx_subexp.
7084 * integrate.h: Remove the prototype for
7085 copy_decl_for_inlining.
7086 * rtl.h: Remove the prototype for mark_constant_function.
7087 * tree-vectorizer.h: Remove the prototype for
7088 vect_strip_conversion.
7090 * modulo-sched.c (create_partial_schedule,
7091 free_partial_schedule, reset_partial_schedule): Make them
7094 * hooks.c (hook_bool_rtx_int_false): Remove.
7095 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7097 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7099 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7100 and -mlong-double-128 are incompatible.
7101 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7102 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7103 (TARGET_LIBGCC2_CFLAGS): Define.
7104 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7105 (TARGET_LIBGCC2_CFLAGS): Same.
7106 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7108 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7111 * c-typeck.c (build_binary_op): Perform implicit casts of
7112 operands before shortening them.
7114 * cfgloopmanip.c (split_loop_bb): Remove.
7115 * cfgloop.h: Remove the prototype for split_loop_bb.
7117 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7118 * cfgloop.h: Remove the prototype for
7119 flow_loop_outside_edge_p.
7121 * emit-rtl.c (init_virtual_regs): Make it static.
7122 * function.h: Remove the prototype for init_virtual_regs.
7124 * recog.c (peephole2_optimize): Make it static.
7125 * recog.h: Remove the prototype for peephole2_optimize.
7127 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7129 * df-scan.c (df_record_entry_block_defs): Check if
7130 INCOMING_RETURN_ADDR_RTX is defined.
7132 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7133 Kenneth Zadeck <zadeck@naturalbridge.com>
7135 PR rtl-optimization/24762
7136 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7137 * targhooks.c (hook_void_bitmap): New hook prototype.
7138 * targhoohs.h (hook_void_bitmap): Ditto.
7139 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7140 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7141 * target.h (live_on_entry): New function pointer.
7142 * df-scan.c (df_all_hard_regs): Removed.
7143 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7144 (df_scan_free_internal): Added df->entry_block_defs.
7145 (df_scan_alloc): Ditto.
7146 (df_scan_dump): Ditto.
7147 (df_uses_record): Plumbed flag field properly thru calls.
7148 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7149 This part fixes PR24762.
7150 (df_bb_refs_record): Added code to make the frame and arg
7151 pointers live in EH blocks.
7152 (df_refs_record): Added call to df_record_entry_block_defs.
7153 (df_record_entry_block_defs): New function.
7154 * df-core.c: Added comments to describe new artifical defs.
7155 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7156 (entry_block_defs): New field in struct df.
7157 (df_all_hard_regs): Deleted.
7158 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7159 * df-problems.c (df_ru_bb_local_compute_process_def):
7160 Added code to handle artifical defs in the entry to a function.
7161 (df_ru_bb_local_compute): Ditto.
7162 (df_rd_bb_local_compute_process_def): Ditto.
7163 (df_rd_bb_local_compute): Ditto.
7164 (df_lr_bb_local_compute): Ditto.
7165 (df_ur_bb_local_compute): Ditto.
7166 (df_urec_bb_local_compute): Ditto.
7167 (df_chain_create_bb): Ditto.
7168 (df_ur_local_finalize): Removed entry.
7169 (df_urec_init): Ditto.
7170 (df_urec_local_finalize): Ditto.
7171 (df_ri_bb_compute): Added detection of last use of pseudos.
7172 * Makefile.in (df-scan.o): Updated dependencies.
7173 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7174 * config/mips/mips.c (mips_set_live_on_entry): Added.
7175 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7177 * dce.c (marked_insn_p): Added code to handle artifical defs.
7179 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7181 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7183 (_mm_cvtsi128_si64): Likewise.
7184 (_mm_cvtsd_si64): Likewise.
7185 (_mm_cvttsd_si64): Likewise.
7186 (_mm_cvtsi64_sd): Likewise.
7187 (_mm_cvtsi64_si128): Likewise.
7188 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7189 (_mm_cvtsi64_m64): Likewise.
7190 (_m_to_int64): Likewise.
7191 (_mm_cvtm64_si64): Likewise.
7192 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7193 (_mm_cvttss_si64): Likewise.
7194 (_mm_cvtsi64_ss): Likewise.
7195 (_mm_cvtss_f32): Likewise.
7197 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7199 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7200 for pragma redefine_extname.
7202 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7205 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7206 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7207 -mno-minimal-toc to previous content.
7208 (bispecs): Remove goal.
7209 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7210 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7211 compatibility aliases on powerpc-*-*gnu*.
7212 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7213 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7214 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7215 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7216 (ldblspecs): New goal.
7217 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7218 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7220 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7221 L_sf_to_tf or L_df_to_tf is defined.
7223 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7224 Alan Modra <amodra@bigpond.net.au>
7227 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7228 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7229 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7230 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7231 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7232 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7233 (rs6000_override_options): Initialize rs6000_ieeequad.
7234 Initialize TFmode format to ibm_extended_format if not
7236 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7238 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7239 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7240 (function_arg_advance): IBM long double passed in two FPRs, not
7242 (function_arg): IBM long double passed in FPRs.
7243 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7244 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7245 Only multireg GPR aligned.
7246 (rs6000_init_libfuncs): Enable IBM long double functions if not
7248 (rs6000_generate_compare): Use IBM long double compare if not
7250 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7251 (TARGET_IEEEQUAD): Define.
7252 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7253 not TARGET_IEEEQUAD.
7254 * config/rs6000/rs6000.md: Enable TFmode patterns if
7256 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7257 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7258 and -mlong-double-128 are incompatible.
7259 * doc/invoke.texi (-mabi): Collect options together. Add
7260 ibmlongdouble and ieeelongdouble.
7262 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7264 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7266 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7267 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7268 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7269 * rtl.h (rtunion_def): Remove rt_ptr.
7271 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7272 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7273 * config/i386/winnt.c (i386_pe_mark_dllexport)
7274 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7276 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7278 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7280 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7284 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7285 pthread_key_delete. From John David Anglin. gthrw-ify
7286 pthread_getunique_np only if it it's not a macro. Delete
7288 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7289 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7290 __gthread_objc_condition_signal, __gthread_key_delete): Add
7291 "__attribute__ ((__unused__))" to unused arguments.
7292 (__gthread_recursive_mutex_init_function): Add missing return.
7293 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7294 gthr-posix95.h: Use macro-based approach for name redirection
7295 on targets missing weakref.
7297 2006-01-26 Zack Weinberg <zackw@panix.com>
7299 * genconditions.c (write_header): In generated code, #ifdef out
7300 all includes and fake declarations, except includes of bconfig.h
7301 and system.h, unless GCC_VERSION >= 3001. Do not include
7302 gensupport.h in any case.
7303 (write_conditions): Generate a definition of struct c_test. Add
7304 a comment to the generated #endif.
7305 (write_one_condition): Escape backslashes in string too.
7306 (write_writer): Generated code must escape backslashes and quote
7307 marks (but not newlines) in the strings it writes.
7308 * Makefile.in (build/gencondmd.o): Update dependencies.
7310 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7313 * Makefile.in (insn-automata.o): Add header file dependencies.
7314 * genautomata.c: Add includes.
7316 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7319 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7321 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7323 * configure.ac: Expect target tools paths to be passed from the toplevel
7324 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7326 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7328 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7331 * c.opt (Wpointer-sign): Init to -1.
7332 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7333 OPT_pedantic, to 0 otherwise.
7334 * doc/invoke.texi: Update.
7336 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7338 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7339 constants provided by 80387 instructions in the destination mode.
7341 2006-01-26 Richard Guenther <rguenther@suse.de>
7342 Andrew Pinski <pinskia@physics.uc.edu>
7345 partial PR tree-opt/17064
7346 * tree-ssa-structalias.c (intra_create_variable_infos):
7347 Create heap variables for incoming parameters if
7348 flag_argument_noalias > 1.
7349 (find_what_p_points_to): Look through default defs of
7352 2006-01-26 Jeff Law <law@redhat.com>
7355 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7356 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7357 within the VR_RANGE, use the VR_RANGE as the result, not the
7359 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7360 bounds for the type.
7362 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7364 * tree-ssa-alias.c (maybe_create_global_var): Change
7365 subvar walking to an assertion that we don't have subvar'd variables.
7367 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7370 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7371 Use a new variable, inner. PARM_DECLs are always non-weak.
7373 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7375 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7378 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7380 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7382 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7384 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7385 (smax_insn, smin_insn, smax_0, smin_0): New.
7387 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7390 * config/cris/cris.c (cris_order_for_addsi3): New function.
7391 * config/cris/cris-protos.h: Prototype it.
7392 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7393 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7394 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7395 (split for "op.S1 [rx=rx+i],ry (swapped)")
7396 (split for "op(s|u).S1 [rx=rx+i],ry")
7397 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7398 Apply cris_order_for_addsi3 when generating addsi3 insns.
7400 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7402 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7403 (TREE_BLOCK): Add call to EXPR_CHECK.
7405 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7408 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7409 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7410 (dump_omp_clauses): ... here.
7411 (dump_generic_node): Handle OMP_CLAUSE.
7412 * tree.c (omp_clause_num_ops): New.
7413 (omp_clause_code_name): New.
7414 (tree_code_size): Handle OMP_CLAUSE.
7415 (tree_size): Likewise.
7416 (make_node): Document handling of OMP_CLAUSE.
7417 (tree_node_structure): Handle OMP_CLAUSE.
7418 (omp_clause_check_failed): New.
7419 (omp_clause_range_check_failed): New.
7420 (omp_clause_operand_check_failed): New.
7421 (build_omp_clause): New.
7422 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7423 * tree.h (enum omp_clause_code): Declare.
7424 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7425 (OMP_CLAUSE_RANGE_CHECK): Define.
7426 (OMP_CLAUSE_ELT_CHECK): Define.
7427 (omp_clause_check_failed): Declare.
7428 (omp_clause_operand_check_failed): Declare.
7429 (omp_clause_range_check_failed): Declare.
7430 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7431 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7432 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7433 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7434 (OMP_CLAUSE_IF_EXPR): Likewise.
7435 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7436 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7437 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7438 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7439 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7440 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7441 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7442 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7443 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7444 (OMP_CLAUSE_CODE): Define.
7445 (OMP_CLAUSE_SET_CODE): Define.
7446 (OMP_CLAUSE_CODE): Define.
7447 (OMP_CLAUSE_OPERAND): Define.
7448 (struct tree_omp_clause): Declare.
7449 (union tree_node): Add field 'omp_clause'.
7450 * treestruct.def (TS_OMP_CLAUSE): Define.
7451 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7452 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7453 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7454 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7455 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7456 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7457 (OMP_CLAUSE): Define.
7458 * print-tree.c (print_node): Handle OMP_CLAUSE.
7459 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7460 * c-typeck.c: Likewise.
7461 * gimplify.c: Likewise.
7462 * c-omp.c: Likewise.
7463 * tree-nested.c: Likewise.
7464 * tree-inline.c: Likewise.
7465 * c-parser.c: Likewise.
7466 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7469 2006-01-25 Roger Sayle <roger@eyesopen.com>
7471 PR rtl-optimization/25703
7472 * combine.c (try_combine): Handle zero_extract and strict_low_part
7473 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7475 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7477 * global.c: Fix comment typos.
7479 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7482 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7483 Use output_addr_const instead of assemble_name.
7485 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7487 * Makefile.in (sched-vis.o): Update dependencies.
7488 * haifa-sched.c (sched_finish): Clear current_sched_info.
7489 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7490 (dump_flow_info): Call it.
7491 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7493 * basic-block.h (dump_bb_info): Declare.
7494 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7495 option, and apply options only for dump files whose TDF_RTL,
7496 TDF_TREE, or TDF_IPA bits match.
7497 * rtl.h: Declare new functions exported from sched-vis.c.
7498 * sched-vis.c: Enable also if scheduling is not used.
7499 (print_value): Print the mode of registers if not inside scheduling.
7500 (print_insn): Make it work outside the scheduler. Beautify the output
7502 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7504 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7506 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7507 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7508 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7509 depending on the value of CONSTANT_POOL_ADDRESS_P.
7510 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7512 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7513 rather than SYMBOL_REF_DECL.
7514 (rtx_constant_pool): Remove const_rtx_sym_htab.
7515 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7516 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7517 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7518 Remove handling of const_rtx_sym_htab.
7519 (find_pool_constant): Delete.
7520 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7521 rather than find_pool_constant.
7522 (get_pool_constant_for_function): Delete.
7523 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7525 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7526 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7527 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7528 (SYMBOL_REF_CONSTANT): New macro.
7529 (get_pool_constant_for_function): Delete.
7530 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7531 rather than SYMBOL_REF_DECL.
7532 (i386_pe_mark_dllimport): Likewise.
7533 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7534 rather than SYMBOL_REF_DECL.
7535 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7536 (machopic_indirect_call_target): Likewise.
7538 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7540 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7542 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7544 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7546 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7548 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7550 2006-01-24 David Daney <ddaney@avtrex.com>
7553 * configure.ac (enable_tls): New enable option.
7554 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7555 * configure: Regenerate.
7556 * doc/install.texi (--enable-tls): Document new option.
7557 (--disable-tls): Ditto.
7559 2006-01-24 Richard Henderson <rth@redehat.com>
7561 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7562 * alias.c (true_dependence): Respect it.
7563 (canon_true_dependence, write_dependence_p): Likewise.
7564 * builtins.c (get_builtin_sync_mem): Set it.
7566 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7568 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7571 2006-01-24 DJ Delorie <dj@redhat.com>
7573 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7574 for storing constants in single-bit bitfields.
7576 2006-01-25 Ben Elliston <bje@au.ibm.com>
7578 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7580 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7583 * tree-ssa-pre.c (phi_translate): Return NULL
7584 for AGGREGATE_TYPE's.
7586 2006-01-24 Zack Weinberg <zackw@panix.com>
7588 * genautomata.c (process_state_for_insn_equiv_partition):
7589 Use xcalloc for insn_arcs_array.
7590 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7591 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7593 2006-01-24 Richard Henderson <rth@redhat.com>
7595 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7598 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7600 PR rtl-optimization/25890
7601 PR rtl-optimization/25905
7602 * combine.c (expand_compound_operation, expand_field_assignment):
7603 Fail if the bitfield's final position is out of bounds.
7605 2006-01-24 Ian Lance Taylor <ian@airs.com>
7608 * cgraphunit.c (cgraph_output_in_order): Don't clear
7609 cgraph_asm_nodes until after asm strings have been output.
7611 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7613 * fix-header.c (read_scan_file): Add new parameter imultilib when
7614 calling register_include_chains.
7616 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7618 * omp-low.c: Update documentation.
7620 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7621 Daniel Berlin <dberlin@dberlin.org>
7625 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7626 return from the function.
7628 2006-01-22 Zack Weinberg <zackw@panix.com>
7630 * rtl.def (match_code): Add second argument.
7631 * genpreds.c (write_extract_subexp): New function.
7632 (write_match_code): Add path argument. Use write_extract_subexp.
7633 (write_predicate_expr): Pass path to write_match_code.
7634 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7635 not perform a mode test.
7636 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7637 a subexpression does not constrain the top-level code set.
7638 * read-rtl.c (read_rtx_variadic): New function.
7639 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7640 * doc/md.texi: Document new notation.
7641 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7642 (cmpsi_operand): ... here, using new notation.
7644 2006-01-22 Zack Weinberg <zackw@panix.com>
7646 * varray.c: Remove GENERATOR_FILE #ifdefs.
7648 2006-01-22 Zack Weinberg <zackw@panix.com>
7650 * genautomata.c (output_reserved_units_table): Emit nothing if
7651 description->query_units_num is zero. Remove extra blank line.
7652 (output_cpu_unit_reservation_p): Short circuit
7653 if description->query_units_num is zero.
7655 2006-01-22 Zack Weinberg <zackw@panix.com>
7657 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7658 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7659 nor any of the random handful of variables that used to be necessary
7660 when this program was linked with rtlanal.o. Prune set of forward
7661 function declarations.
7662 (struct attr_desc): Remove static_p field.
7663 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7664 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7665 (attr_string): Do not read the character one past the length of
7667 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7668 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7669 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7670 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7671 (make_automaton_attrs): New.
7672 (main): Do not call into genautomata. Call local gen_bypass
7673 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7674 Remove special case for insn_alts.
7675 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7676 varray.h (leftover from previous change). Prune set of forward
7677 function declarations. Remove state_alts fields from all
7678 structures. Remove state_alts_table from struct automaton.
7679 Make everything except main static. Do not maintain num_dfa_decls.
7680 Do not maintain state_alts fields of various structures.
7681 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7682 (add_arc): Remove state_alts argument. All callers updated.
7683 (output_reserved_units_table): Emit #ifdef here...
7684 (output_tables): ...not here. Don't generate state_alts tables.
7685 (expand_automata): Don't generate attributes.
7686 (write_automata): Don't generate state_alts functions.
7687 (main): New function.
7688 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7689 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7690 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7691 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7692 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7693 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7694 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7695 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7697 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7698 * genattrtab.h: Delete file.
7699 * Makefile.in (OBJS-common): Add insn-automata.o.
7700 (insn-automata.o): New rule.
7701 (simple_generated_c): Add insn-automata.c.
7702 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7703 (genprogmd): Add automata.
7704 (build/genattrtab): Needs no extra objects nor libraries.
7705 (build/genautomata): Needs build/vec.o and -lm.
7707 2006-01-22 Zack Weinberg <zackw@panix.com>
7709 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7710 (output_dfa_max_issue_rate, locked_states_num): Delete.
7711 (struct automaton): Add locked_states field.
7712 (output_dead_lock_vect): Save number of locked states in
7713 automaton->locked_states. If it is zero, don't print anything.
7714 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7715 (output_internal_dead_lock_func): Only test the dead_lock_vect
7716 for automata that have locked states.
7717 (output_statistics): Always print the number of locked states for
7718 each automaton. Calculate total number of locked states here.
7719 (write_automata): Don't call output_dfa_max_issue_rate.
7720 * genattrtab.c: Define length_unit_log as a const variable.
7721 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7722 max_insn_queue_index const.
7723 * final.c (length_unit_log): Declare const.
7724 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7726 2006-01-22 Zack Weinberg <zackw@panix.com>
7728 * genautomata.c: Include vec.h, not varray.h.
7729 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7730 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7731 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7732 VEC_* macros operating on appropriately typed vectors, or to
7733 malloced arrays when the size is known in advance. Const-ify
7734 many char* variables and function arguments. No functional changes.
7735 * Makefile.in (build/varray.o): Delete rule.
7736 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7737 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7739 2006-01-22 Zack Weinberg <zackw@panix.com>
7741 * gensupport.c: Define get_insn_name and record_insn_name here.
7742 (read_md_rtx): Call record_insn_name as appropriate.
7743 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7744 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7745 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7747 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7748 (BUILD_VARRAY): Delete.
7749 (genprognormal): Rename genprogmd. Fold in all programs from
7750 genprognoprint; also attrtab.
7751 (build/genattrtab): Just mention genautomata.o and varray.o.
7752 Reorganize a bit, add comments to make the categories clearer.
7754 2006-01-22 Zack Weinberg <zackw@panix.com>
7756 * genconditions.c (condition_table, add_condition): Delete.
7757 (write_conditions): Don't emit n_insn_conditions nor
7758 insn_elision_unavailable. Issue the gcc version #ifdef here,
7759 inside the table, with no #else clause ...
7760 (write_header): ...not here.
7761 (write_writer): New function.
7762 (main): Don't initialize condition_table. Use add_c_test.
7764 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7765 files on the command line.
7766 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7767 Return -1 if there is no entry in the table, don't abort.
7768 (add_c_test, traverse_c_tests): New functions.
7769 * gensupport.h (insn_elision_unavailable, insn_conditions)
7770 (n_insn_conditions): Delete declarations.
7771 (add_c_test, traverse_c_tests): Declare.
7772 * read-rtl.c: Include gensupport.h.
7773 (read_conditions): New function.
7774 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7775 (read_rtx_1): If we get EOF when we were looking for an initial
7776 open paren, return 0. Call read_conditions when appropriate.
7777 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7778 dummy-conditions.o. Eliminate references to insn-conditions.o,
7779 or change them to build/gencondmd.o, as appropriate. Remove
7780 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7781 from $(simple_generated_c). For all files remaining in those
7782 two lists, add insn-conditions.md to the generator command line.
7783 Give insn-constants.h/s-constants their own rules. Add rules
7784 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7785 (build/read-rtl.o): Depend on gensupport.h.
7786 (genprognormal): Include preds.
7787 (genprogearly): Rename genprognoprint; only difference is now that
7788 they don't link with $(BUILD_PRINT).
7789 * dummy-conditions.c: Delete.
7791 2006-01-22 Zack Weinberg <zackw@panix.com>
7793 * genextract.c: Don't include insn-config.h. Do include vec.h.
7794 Declare vectors of int, char, and locstr.
7795 (locstr): New typedef.
7796 (struct extraction): Make all array fields into bare pointers.
7797 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7798 (insn_code_number): Delete.
7799 (accum_extract): New struct.
7800 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7801 (gen_insn): Take insn_code_number as an argument. Use an
7802 accum_extract structure instead of loading data directly into
7803 a struct extraction, and having to know how big it might get.
7804 (walk_rtx): Operate entirely on an accum_extract structure.
7805 (print_path): Avoid unnecessary use of printf.
7806 (print_header): New function, split out of main. Distinguish
7807 more carefully between an unrecognizable insn and an insn that
7808 has the code number of a define_expand.
7809 (main): Pass insn_code_number to gen_insn. Call print_header
7810 only after parsing. Avoid unnecessary use of printf.
7811 * Makefile.in (build/vec.o): New rule.
7812 (build/genextract): Depend on build/vec.o.
7813 (build/genextract.o): Don't depend on insn-config.h.
7815 2006-01-22 Zack Weinberg <zackw@panix.com>
7817 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7818 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7819 practical. Eliminate per-generator-program link rules.
7821 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7824 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7825 with a call expr to ...
7826 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7828 2006-01-23 Richard Guenther <rguenther@suse.de>
7830 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7831 before make_edge with conditional EDGE_TRUE_VALUE.
7833 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7834 Jan Hubicka <jh@suse.cz>
7835 Richard Guenther <rguenther@suse.de>
7837 PR rtl-optimization/25654
7838 * cfgexpand.c (aggregate_contains_union_type): New function.
7839 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7840 for structure variables that contain a union type.
7842 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7844 * gengtype.c (new_structure): Return the structure.
7845 (create_option): Add an extra "next" argument.
7846 (create_field): New function.
7847 (adjust_field_rtx_def): Use create_option and create_field.
7848 Remove a now-unnecessary call to find_structure.
7849 (adjust_field_tree_def): Likewise.
7850 (note_yacc_type): Remove an unnecessary call to find_structure.
7851 * gengtype.h (new_structure): Return the structure.
7852 (create_option): Add an extra argument.
7853 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7854 (option): Adjust calls to create_option.
7856 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7858 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7860 2006-01-22 Paul Brook <paul@codesourcery.com>
7861 Peter Barada <peter@the-baradas.com>
7863 * config/m68k/m68k.md: Add Coldfire FPU support.
7864 Define FP mode macro and associated attributes.
7865 Use it for float mode patterns.
7866 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7867 (LIBCALL_VALUE): Use m68k_libcall_value.
7868 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7869 (m68k_function_value): Ditto.
7870 (emit_move_sequence): Ditto.
7871 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7872 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7873 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7874 (MULTILIB_EXCEPTIONS): Ditto.
7875 * config/m68k/m68k.opt: Add mcfv4e.
7876 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7877 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7878 (m68k_output_function_prologue): Save ColdFire FPU registers.
7879 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7880 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7881 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7882 ColdFire FPU registers.
7883 (m68k_libcall_value, m68k_function_value): New functions.
7884 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7885 (LIBCALL_VALUE): Use m68k_libcall_value.
7886 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7887 (MASK_COLDFIRE): Add MASK_CFV4E.
7888 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7889 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7890 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7891 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7892 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7893 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7894 * doc/invoke.tex: Document -mcfv4e on m68k.
7896 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7898 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7901 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7904 * c-opts.c (c_common_handle_option): Don't include
7905 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7906 * doc/invoke.texi (C++ Dialect Options): Document that
7907 -Wnon-virtual-dtor is no longer included in -Wall.
7909 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7911 * gcov.c (print_version), gcov-dump.c (print_version),
7912 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7915 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7917 * df-scan.c (problem_SCAN): Added NULL reset function.
7918 (df_scan_reset_blocks): Added code to call reset block function
7919 (df_bb_refs_delete) Fixed comment.
7920 (df_insn_refs_delete): Made tolerant of deleting non existent info
7921 for dataflow problems that need to be reset.
7922 * df-core.c (df_set_blocks): Ditto.
7923 * df.h (struct df_problem): Added reset_fun.
7924 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7925 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7926 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7927 functions to clear out all references to def-use or use-def chains.
7929 2006-01-21 Ben Elliston <bje@au.ibm.com>
7931 * varasm.c (assemble_real): Initialise data array.
7933 2006-01-20 Paul Brook <paul@codesourcery.com>
7935 Merge from csl-arm-branch.
7936 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7937 * config/arm/arm.md (movdi): Force operands[1] to a register
7938 if we have a non-register source.
7939 (*arm_movdi, *movdf_soft_insn): Require that one of the
7940 operands be a register.
7941 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7942 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7944 2006-01-20 DJ Delorie <dj@redhat.com>
7946 * varasm.c (initialize_constant_valid_p): Allow pointers
7947 initialized from integer constants of lesser precision.
7948 (output_constant): Allow non-int-sized pointer modes to be
7949 initialized from integer constants.
7951 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7954 * cppdefault.h (struct default_include): Add multilib flag.
7955 * cppdefault.c (cpp_include_defaults): Set it.
7956 * c.opt (-imultilib): New option.
7957 * c-opts.c (imultilib): New.
7958 (c_common_handle_option): Handle -imultilib.
7959 (c_common_post_options): Likewise.
7960 * c-incpath.c (add_standard_paths, register_include_chains):
7962 * c-incpath.h (register_include_chains): Add extra parameter.
7963 * gcc.c (do_spec_1): Generate -imultilib option.
7964 (The Specs Language): Update %I description.
7965 (process_command): Update copyright notice.
7966 * doc/cppopts.texi (-imultilib): Document.
7967 * doc/invoke.texi (-imultilib): Include in option summary.
7968 (%I): Update specs documentation.
7970 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7972 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7974 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7976 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7979 2006-01-20 Richard Guenther <rguenther@suse.de>
7980 Steven Bosscher <stevenb.gcc@gmail.com>
7982 PR rtl-optimization/24626
7983 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7984 EDGE_TRUE_VALUE if in RTL mode.
7987 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7988 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7990 2006-01-20 Dirk Mueller <dmueller@suse.com>
7993 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7994 instead of a special NOP marker.
7995 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7996 NOP marker handling.
7997 * c-common.h (empty_body_warning): Add forward declaration.
7998 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7999 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8001 2006-01-20 Paul Brook <paul@codesourcery.com>
8003 * Makefile.in (lang_checks): Keep going if mkdir fails.
8005 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8007 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8008 be able to clean out basic block when not necessary.
8009 (df_scan_free): Fixed to properly delete information if df is
8010 unused before calling df_finish.
8011 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8012 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8014 (df_bb_refs_delete): New function.
8015 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8016 * df-core.c (df_set_blocks): Added code to properly clean out
8017 unused blocks if they are not part of the blocks to consider.
8018 Added additional null check.
8019 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8020 be able to clean out basic block when not necessary
8021 * df.h (df_free_bb_function): Ditto.
8022 (df_bb_refs_delete): New function.
8023 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8024 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8025 basic block parameter to be able to clean out basic block when not
8027 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8028 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8029 Fixed to properly delete information if df is unused before
8032 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8034 PR rtl-optimization/25799
8035 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8036 Corrected confluence operator to remove bits from op2 before oring
8037 with op1 rather than removing bits from op1.
8038 (df_ru_transfer_function): Corrected test on wrong bitmap which
8039 caused infinite loop. Both of these problems were introduced in
8040 the dataflow rewrite.
8042 2006-01-19 DJ Delorie <dj@redhat.com>
8044 * reload1.c (find_reload_regs): Note the details of reload
8045 failures in the dump file.
8046 (spill_failure): Likewise.
8048 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8050 * loop-iv.c: Include df.h and hashtab.h.
8051 (enum iv_grd_result): New enum.
8052 (DF_REF_IV, DF_REF_IV_SET): New macros.
8053 (struct biv_entry): New.
8054 (df, bivs): New global variables.
8055 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8056 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8058 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8059 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8060 analyzed_for_bivness_p, record_biv): New functions.
8061 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8062 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8063 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8065 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8067 (iv_number_of_iterations): Use new interface to iv analysis.
8068 * loop-unroll.c: Do not include varray.h.
8069 (analyze_iv_to_split_insn): Use new interface to iv
8071 * loop-unswitch.c (may_unswitch_on): Ditto.
8072 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8074 (df_bb_modify): Realloc tables to the new index.
8075 (df_find_use): New function.
8076 * df.h (df_find_use): Declare.
8077 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8079 * cfgloop.h (struct rtx_iv): Remove analysed field.
8080 (iv_get_reaching_def): Removed.
8081 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8082 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8083 (loop-iv.o): Add df.h and hashtab.h dependency.
8084 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8086 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8089 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8091 (__floatundisf, __floatundidf): Likewise.
8092 * libgcc2.h (IS_IBM_EXTENDED): Define.
8094 2006-01-19 DJ Delorie <dj@redhat.com>
8096 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8098 2006-01-19 Paul Brook <paul@codesourcery.com>
8100 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8101 as nothrow when unwinding tables are disabled.
8103 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8106 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8107 of bit-field" when in system header.
8109 2006-01-19 DJ Delorie <dj@redhat.com>
8111 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8112 the 16 bit shift limit of the m16c.
8114 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8117 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8118 * config/i386/i386.c (output_set_got): Output the label if we have one
8119 for the TARGET_DEEP_BRANCH_PREDICTION case.
8121 2006-01-19 Jan Hubicka <jh@suse.cz>
8122 H.J. Lu <hongjiu.lu@intel.com>
8123 Evandro Menezes <evandro.menezes@amd.com>
8125 * invoke.texi (generic): Document
8127 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8128 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8129 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8130 (x86_use_incdec, x86_pad_returns): New variables
8131 (TARGET_CPU_DEFAULT_generic): New constant
8132 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8133 (enum processor_type): Add generic32 and generic64.
8134 * i386.md (cpu attribute): Add generic32/generic64
8135 (movhi splitter): Behave sanely when both partial_reg_dependency and
8136 partial_reg_stall are set.
8137 (K8 splitters): Enable for generic as well.
8138 * predicates.md (incdec_operand): Use TARGET_INCDEC
8139 (aligned_operand): Avoid memory mismatch stalls.
8140 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8141 * ppro.md: Enable for generic32
8142 * i386.c (generic64_cost, generic32_cost): New.
8143 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8144 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8145 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8146 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8147 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8148 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8149 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8150 x86_accumulate_outgoing_args, x86_prologue_using_move,
8151 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8152 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8154 (x86_use_incdec, x86_pad_returns): New.
8155 (override_options): Add generic32 and generic64, translate "generic"
8156 to generic32/generic64 and "i686" to "generic32", refuse
8157 "generic32"/"generic64" as arch target.
8158 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8159 (ix86_reorg): Honor PAD_RETURNS.
8161 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8163 * tree-pretty-print.c (dump_generic_node): Handle
8164 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8165 * cgraph.c (cgraph_expand_queue): Rename from
8166 cgraph_analyze_queue. Update all users.
8167 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8168 cgraph_expand_queue.
8169 (cgraph_expand_all_functions): Likewise.
8170 (cgraph_finalize_pending_functions): Remove. Update callers.
8172 * tree.h (OMP_DIRECTIVE_P): Define.
8173 (OMP_PARALLEL_FN): Define.
8174 (OMP_PARALLEL_DATA_ARG): Define.
8175 (OMP_SECTIONS_SECTIONS): Define.
8176 * tree-pass.h (pass_expand_omp): Declare.
8177 * omp-low.c (struct omp_region): Declare.
8178 (struct omp_context): Remove fields 'parallel_type',
8179 'parallel_start_ix' and 'parallel_start_additional_args'.
8181 (struct omp_for_data): Rename from struct expand_omp_for_data.
8182 (omp_regions): New static variable.
8183 (root_omp_region): New static variable.
8184 (find_omp_clause): Make static.
8185 (is_in_combined_parallel_ctx): Remove.
8186 (is_combined_parallel): New.
8187 (extract_omp_for_data): Move earlier in the file.
8188 (workshare_safe_to_combine_p): New.
8189 (get_ws_args_for): New.
8190 (determine_parallel_type): Move earlier in the file.
8191 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8193 (omp_copy_decl): Likewise.
8194 (create_omp_child_function): Likewise.
8195 (lookup_omp_region): New.
8196 (dump_omp_region): New.
8197 (debug_omp_region): New.
8198 (debug_all_omp_regions): New.
8199 (new_omp_region): New.
8200 (scan_omp_parallel): If parallel_nesting_level > 1, the
8201 directive is nested within another parallel directive.
8202 Set OMP_PARALLEL_FN.
8203 (scan_omp_for): Do not try to handle combined parallel+for
8205 Remove FIXME comment.
8206 (scan_omp_nested): Remove.
8207 (scan_omp_1): Do not call scan_omp_nested when
8208 parallel_nesting_level is > 1.
8209 Do not change the DECL_CONTEXT of local variables found.
8210 (lookup_decl_in_outer_ctx): New.
8211 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8212 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8213 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8214 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8215 If CTX is nested, lookup VAR in the outer context when
8216 building copy assignment.
8217 (lower_send_clauses): Rename from expand_send_clauses.
8218 If CTX is nested, lookup VAR in the outer context when
8219 building copy assignments.
8220 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8221 If CTX is nested, lookup VAR in the outer context when
8222 building copy assignments.
8223 (expand_parallel_call): Rename from build_parallel_call.
8224 Handle combined parallel+workshare cases.
8225 Re-implement to emit code into the CFG.
8227 (expand_omp_parallel): Re-implement to emit code into the CFG.
8228 Call move_sese_region_to_fn to outline the sub-graph
8229 containing the parallel region.
8230 (expand_omp_for_1): Remove.
8231 (expand_omp_for_generic): Re-implement to emit code into the
8233 (expand_omp_for_static_nochunk): Likewise.
8234 (expand_omp_for_static_chunk): Likewise.
8235 (expand_omp_for): Likewise.
8236 (expand_omp_sections): Likewise.
8237 (remove_exit_barriers): New.
8238 (expand_omp_synch): New.
8240 (build_omp_regions_1): New.
8241 (build_omp_regions): New.
8242 (execute_expand_omp): New.
8243 (gate_expand_omp): New.
8244 (pass_expand_omp): Define.
8245 (lower_omp_sections): Rename from expand_omp_sections.
8246 Set OMP_SECTIONS_SECTIONS.
8247 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8248 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8249 (lower_omp_single): Rename from expand_omp_simple.
8250 (lower_omp_master): Rename from expand_omp_master.
8251 (lower_omp_ordered): Rename from expand_omp_ordered.
8252 (lower_omp_critical): Rename from expand_omp_critical.
8253 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8254 (lower_omp_for): Re-implement.
8255 (lower_omp_parallel): Re-implement.
8256 (lower_regimplify): Rename from expand_regimplify.
8257 (lower_omp_1): Rename from expand_omp_1.
8258 If there are syntax errors in the program, replace every
8259 OpenMP directive with NOP.
8260 Call lower_omp_* instead of expand_omp_*.
8261 (lower_omp): Rename from expand_omp.
8263 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8264 * tree-gimple.h (enum omp_parallel_type): Remove.
8265 (gimple_boolify): Declare extern.
8266 (find_omp_clause, determine_parallel_type): Remove.
8268 * gimple-low.c (lower_omp_directive): New.
8269 (lower_stmt): Call it.
8270 (record_vars_into): Move from ...
8271 (record_vars): ... here.
8272 Call record_vars_into with current_function_decl.
8274 * gimplify.c (struct gimplify_ctx): Remove fields
8275 combined_pre_p and combined_ctxp. Update users.
8276 (get_formal_tmp_var): Add documentation.
8277 (gimple_boolify): Make extern.
8278 (gimplify_expr_in_ctx): Remove. Update callers.
8279 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8280 will always be a BIND_EXPR.
8281 (gimplify_expr): Handle OMP_RETURN_EXPR.
8282 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8283 (OMP_PARALLEL): Add 3 operands.
8284 (OMP_SECTIONS): Add 1 operand.
8285 (OMP_RETURN_EXPR): Define.
8287 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8288 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8289 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8290 creating a circular free list.
8291 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8293 * tree-flow.h (move_sese_region_to_fn): Declare.
8294 (record_vars_into): Declare.
8295 * tree-cfg.c (make_omp_sections_edges): New.
8296 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8297 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8298 OMP_SECTIONS and OMP_SECTION.
8299 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8300 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8301 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8302 (gather_blocks_in_sese_region): New.
8303 (struct move_stmt_d): Declare.
8305 (move_block_to_fn): New.
8306 (move_sese_region_to_fn): New.
8308 * passes.c (init_optimization_passes): Schedule
8309 pass_expand_omp after pass_init_datastructures.
8311 * tree-ssa-operands.c (get_expr_operands): Handle
8312 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8313 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8315 2006-01-19 Jeff Law <law@redhat.com>
8317 * tree-vrp.c (extract_range_from_assert): Refine the result range
8318 if the variable referenced by the ASSERT_EXPR has a range and
8319 either the tentative result range or the previous range is a
8322 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8324 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8326 2006-01-19 Jan Hubicka <jh@suse.cz>
8328 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8330 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8332 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8333 (expand_compound_operation, expand_field_assignment): Fail if the
8334 bit lengths of an extract operation are out of range.
8335 (make_extraction): Compute wanted_inner_mode based on the position
8336 and length of the extraction. Make it extraction_mode for non-constant
8337 positions, and do not modify offset in that case. When generating a
8338 new MEM, use a mode that can hold the extraction while keeping correct
8339 alignment. Remove code that supported MEMs wrapped by USEs.
8340 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8342 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8344 * config/s390/s390.md ("Y", "y"): New mode attribute.
8345 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8346 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8347 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8348 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8349 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8350 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8351 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8352 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8353 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8354 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8355 "addsi3", "subsi3"): Insn patterns removed.
8356 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8357 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8358 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8359 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8360 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8361 "*sub<mode>3_cconly2"): New insn patterns.
8362 ("addsi3", "subsi3"): New expanders.
8364 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8366 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8367 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8368 existing STMT_VINFO_VECTYPE if available.
8369 (vect_mark_relevant): Add special handling for stmts that are
8370 marked as STMT_VINFO_IN_PATTERN_P.
8371 (vect_analyze_loop): Call vect_pattern_recog.
8372 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8373 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8375 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8376 (vect_recog_func_ptr): New function-pointer type.
8377 * tree-vect-patterns.c: New file.
8378 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8379 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8380 (vect_pattern_recog_1): New functions.
8381 (vect_pattern_recog_funcs): New array of function pointers.
8383 * tree-vectorizer.h (ternary_op): New enum value.
8384 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8385 declaration. Revised documentation. Removed redundant dump prints.
8386 Removed redundant argument. Added support for reduction patterns.
8387 (vectorizable_reduction): Added support for reduction patterns.
8388 (vect_transform_stmt): Added support for patterns.
8390 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8391 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8392 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8393 (expand_widen_pattern_expr): New function.
8394 (init_optabs): Initialize new optabs udot_prod_optab,
8396 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8397 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8398 (expand_widen_pattern_expr): New function declaration.
8399 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8401 * tree-inline.c (estimate_num_insns_1): Added cases for new
8402 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8403 * tree-pretty-print.c (dump_generic_node): Likewise.
8404 (op_prio): Likewise.
8405 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8406 * tree-ssa-operands.c (get_expr_operands): Added case for
8408 * tree-vect-patterns.c (widened_name_p): New function.
8409 (vect_recog_dot_prod_pattern): Added function implementation.
8410 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8411 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8412 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8413 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8415 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8416 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8417 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8418 (init_optabs): Initialize new optabs widen_ssum_optab,
8420 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8421 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8422 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8423 use instead of type of def.
8424 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8425 function implementation.
8426 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8427 widen_ssumv8hi): New.
8429 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8432 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8435 * c-decl.c (add_flexible_array_elts_to_size): New function.
8436 (finish_decl): Use it.
8438 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8440 * diagnostic.h: Include options.h.
8441 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8442 dependancies for diagnostic.h.
8443 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8445 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8447 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8448 (ssa_ro_call_cache_valid): Ditto.
8449 * tree-ssa-alias.c (sort_tags_by_id): New function.
8450 (init_transitive_clobber_worklist): Ditto.
8451 (add_to_worklist): Ditto.
8452 (mark_aliases_call_clobbered): Ditto.
8453 (compute_tag_properties): Ditto.
8454 (set_initial_properties): Ditto.
8455 (compute_call_clobbered): Ditto.
8456 (compute_may_aliases): Call compute_call_clobbered and grouping.
8457 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8458 (compute_flow_insensitive_aliasing): Grouping now happens in our
8460 (setup_pointers_and_addressables): Remove clobbering related code.
8461 (add_may_alias): Ditto.
8462 (replace_may_alias): Ditto.
8463 (get_nmt_for): Ditto.
8464 (create_global_var):
8465 (is_escape_site): Return an escape_type enumeration.
8466 * tree-flow-inline.h (is_call_clobbered): Global var does not
8467 imply call clobbered.
8468 (mark_call_clobbered): Take a reason for marking this. Remove
8469 marking of globalness, and cache invalidation.
8470 (clear_call_clobbered): Remove cache invalidation code.
8471 * tree-dfa.c (dump_variable): If details is on, dump the reason
8473 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8475 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8476 (struct var_ann_d): Ditto.
8477 (enum escape_type): New.
8478 (mark_call_clobbered): Adjust prototype.
8479 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8480 are never call clobbered.
8481 Record reasons for escaping.
8482 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8483 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8484 (ssa_ro_call_cache_valid): Ditto.
8485 (clobbered_v_may_defs): Ditto.
8486 (clobbered_vuses): Ditto.
8487 (ro_call_vuses): Ditto.
8488 (clobber_stats): New.
8489 (init_ssa_operands): Zero out clobber stats.
8490 (fini_ssa_operands): Print out clobber stats.
8491 (get_call_expr_operands): Pass callee fndecl to
8493 (add_call_clobber_ops): Remove use of cache.
8494 Add use of PURE_CONST information.
8495 (add_call_read_ops): Remove use of cache.
8496 Add use of static not_read information.
8498 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8500 Introduce TLS descriptors for i386 and x86_64.
8501 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8502 (TARGET_ANY_GNU_TLS): New macro.
8503 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8504 (struct machine_function): Add tls_descriptor_call_expanded_p.
8505 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8506 (ix86_current_function_calls_tls_descriptor): Likewise.
8507 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8508 (override_options): Introduce gnu2 tls dialect.
8509 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8511 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8513 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8514 (ix86_init_machine_status): Initialize new field.
8515 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8516 (ix86_tls_module_base): New.
8517 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8518 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8519 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8520 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8521 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8522 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8523 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8524 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8525 * config/i386/predicates.md (tls_modbase_operand): New.
8526 (tp_or_register_operand): New.
8528 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8530 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8531 (look_for_address_of): Ditto.
8532 (ipa_init): Walk the function decls.
8533 (static_execute): Don't set readonly on FUNCTION_DECL's.
8535 2006-01-18 Roger Sayle <roger@eyesopen.com>
8537 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8538 for shifts where the source and destination registers are different.
8540 2006-01-18 Paul Brook <paul@codesourcery.com>
8542 Merge from csl-arm-branch.
8543 2005-03-14 Julian Brown <julian@codesourcery.com>
8544 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8545 (aeabi_llsl): Likewise.
8546 (ashrdi3): Likewise.
8547 (aeabi_lasr): Likewise.
8548 (lshrdi3): Likewise.
8549 (aeabi_llsr): Likewise.
8550 2005-03-10 Julian Brown <julian@codesourcery.com>
8551 * config.gcc: Disable shared libgcc for SymbianOS.
8552 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8554 2006-01-18 DJ Delorie <dj@redhat.com>
8556 * c-pragma.c (handle_pragma_diagnostic): New.
8557 (init_pragma): Register it.
8558 * doc/extend.texi: Document it.
8560 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8561 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8562 (diagnostic_context): Add classify_diagnostic[].
8563 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8564 as errors if they're overridden to DK_WARNING.
8565 (diagnostic_initialize): Initialize classify_diagnostic[].
8566 (diagnostic_set_kind_override): New.
8567 (diagnostic_report_diagnostic): Check for kind changes.
8568 * opts.c (common_handle_option): Take lang_mask. Update callers.
8570 * common.opt (Werror=): New.
8571 * doc/invoke.texi: Document -Werror=*
8573 2006-01-18 Jeff Law <law@redhat.com>
8575 * tree-vrp.c (test_for_singularity): Correct test for new
8576 min limit. Use operand_equal_p rather than pointer equality
8577 for testing if new min/max values are equal.
8579 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8580 using range information until after propagation and folding.
8582 2006-01-18 Richard Henderson <rth@redhat.com>
8583 Aldy Hernandez <aldyh@redhat.com>
8584 Jakub Jelinek <jakub@redhat.com>
8585 Diego Novillo <dnovillo@redhat.com>
8587 * omp-low.c: New file.
8588 * c-omp.c: New file.
8590 2006-01-18 Richard Henderson <rth@redhat.com>
8591 Jakub Jelinek <jakub@redhat.com>
8592 Diego Novillo <dnovillo@redhat.com>
8594 * doc/invoke.texi: Document -fopenmp.
8595 * tree-dump.h (debug_function): Declare.
8596 * hooks.c (hook_bool_tree_bool_false): New function.
8597 (hook_tree_tree_null): Remove.
8598 (hook_tree_tree_tree_null): New.
8599 * hooks.h: Update to match.
8600 * tree-pretty-print.c (debug_tree_chain): New.
8601 (print_generic_expr): Handle TDF_CHAIN.
8602 (dump_generic_node): Handle BLOCK.
8603 Do not abort with incomplete SWITCH_EXPRs.
8604 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8605 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8606 print space after directive name.
8607 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8608 Handle OMP_MASTER and OMP_ORDERED.
8609 Handle printing of OMP_BODY just in one place, goto
8610 dump_omp_body in the rest of OMP_* nodes that have
8612 Don't handle clause nodes here. Update omp statements to
8613 use dump_omp_clauses.
8614 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8615 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8616 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8617 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8618 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8619 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8620 Adjust output for GOMP_PARALLEL.
8621 (dump_omp_clauses): New.
8622 (print_declaration): Dump DECL_VALUE_EXPR.
8623 (op_symbol_1): Split out of op_symbol.
8624 (dumping_stmts): Remove. Update all users.
8625 * cgraph.c (cgraph_analyze_queue): New.
8626 (cgraph_add_new_function): New.
8627 * cgraph.h (cgraph_analyze_queue): Declare.
8628 (cgraph_add_new_function): Declare.
8629 (cgraph_lower_function): Remove.
8630 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8631 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8632 and TYPE_P nodes in its default clause.
8633 (empty_body_p): New.
8634 (tree_range_check_failed): New.
8636 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8637 OMP_CLAUSE_REDUCTION_MERGE,
8638 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8639 OMP_CLAUSE_PRIVATE_DEBUG,
8640 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8641 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8642 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8643 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8644 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8645 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8646 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8647 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8648 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8649 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8650 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8651 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8652 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8653 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8654 (TREE_RANGE_CHECK): New.
8655 (empty_body_p): Declare.
8656 (enum omp_clause_default_kind): New.
8657 (build_string_literal): Declare.
8658 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8659 (build5_stat, build5): Declare.
8660 * tree-pass.h (TDF_CHAIN): Define.
8661 * tree-pass.h (PROP_gimple_lomp): Define.
8662 (pass_lower_omp): Declare.
8663 * diagnostic.h (debug_tree_chain): Declare.
8664 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8666 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8667 * builtins.c (build_string_literal): Make extern.
8668 * gcc.c (include_spec_function): New.
8669 (static_spec_functions): Add it.
8670 (main): Move load of libgomp.spec ...
8671 (LINK_COMMAND_SPEC): ... here.
8672 (link_gomp_spec): New.
8673 (static_specs): Include it.
8674 (LINK_COMMAND_SPEC): Add link_gomp.
8675 (GOMP_SELF_SPECS): New.
8676 (driver_self_specs): Include it.
8677 (switch_matches): Don't mark inline.
8678 (main): Load libgomp.spec.
8679 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8680 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8681 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8682 * tree-gimple.h (enum omp_parallel): Declare.
8683 (determine_parallel_type): Declare.
8684 (omp_firstprivatize_variable): Declare.
8685 (omp_reduction_init): Declare.
8686 (diagnose_omp_structured_block_errors): Declare.
8687 (struct walk_stmt_info): Add want_return_expr.
8688 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8689 (find_omp_clause): Declare.
8690 (insert_field_into_struct): Declare.
8691 (struct walk_stmt_info): Move from tree-nested.c
8692 (walk_stmts): Declare.
8693 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8695 * cgraphunit.c (cgraph_lower_function): Make static.
8696 (cgraph_finalize_pending_functions): New.
8697 (cgraph_finalize_function): Call it.
8698 (cgraph_finalize_compilation_unit): Likewise.
8699 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8700 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8701 (BT_FN_UINT_UINT): New.
8702 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8703 DEF_FUNCTION_TYPE_VAR_4): Document.
8704 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8705 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8706 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8707 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8708 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8709 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8710 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8711 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8712 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8713 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8714 into separate files.
8715 (DEF_GOMP_BUILTIN): New.
8716 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8717 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8718 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8719 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8720 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8721 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8722 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8723 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8724 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8725 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8726 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8727 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8728 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8729 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8730 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8731 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8732 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8733 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8734 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8735 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8736 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8737 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8738 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8739 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8740 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8741 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8742 * sync-builtins.def: New file, moved from builtins.def.
8743 * omp-builtins.def: New file, moved from builtins.def.
8744 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8745 * gimple-low.c (lower_function_body): Clear data.
8746 (lower_stmt): Do not handle COMPOUND_EXPR.
8747 Remove call to print_node_brief.
8748 * c-tree.h (c_finish_omp_clauses): New prototype.
8749 (C_DECL_THREADPRIVATE_P): Define.
8750 (lookup_name_no_remap, c_omp_remap_private): Remove
8751 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8752 (check_for_loop_decls): Update decl.
8753 (lookup_name_no_remap, c_omp_remap_private): Declare.
8754 (build_indirect_ref, build_modify_expr, pushdecl,
8755 pushdecl_top_level): Move to c-common.h.
8756 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8757 before the switch, but just in the 2 places that need it.
8758 * c-decl.c (diagnose_mismatched_decls): Do not check for
8759 mismatched thread-local attributes when OLDDECL is marked
8760 threadprivate and NEWDECL has no thread-local attributes.
8761 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8762 (c_gimple_diagnostics_recursively): Rename from
8763 c_warn_unused_result_recursively. Invoke
8764 diagnose_omp_structured_block_errors.
8765 (check_for_loop_decls): Return a singular decl found.
8766 * langhooks.c (lhd_omp_predetermined_sharing): Return
8767 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8768 (lhd_omp_firstprivatize_type_sizes): New.
8769 (lhd_omp_assignment): New.
8770 (lhd_omp_predetermined_sharing): New.
8771 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8772 (struct lang_hooks_for_types): Add
8773 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8774 omp_predetermined_sharing, omp_disregard_value_expr,
8775 omp_private_debug_clause, omp_clause_default_ctor,
8776 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8777 (c_finish_omp_clauses): New.
8778 (c_finish_bc_stmt): Diagnose break within omp for.
8779 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8780 (build_unary_op): Return error_mark after reporting
8782 (build_modify_expr): Likewise.
8783 * gimplify.c: Include optabs.h and pointer-set.h.
8784 (enum gimplify_omp_var_data): Declare.
8785 (struct gimplify_omp_ctx): Declare.
8786 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8788 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8789 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8790 (splay_tree_compare_decl_uid): New.
8791 (new_omp_context): New.
8792 (delete_omp_context): New.
8793 (gimple_add_tmp_var): Call omp_add_variable.
8794 (gimplify_bind_expr): Likewise.
8795 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8796 true, disregard DECL_VALUE_EXPR on the decl if any.
8797 (gimplify_expr_in_ctx): New.
8798 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8799 omp_add_variable, omp_notice_variable, omp_is_private
8800 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8801 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8802 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8803 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8804 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8805 gimplify_omp_atomic): New.
8806 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8807 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8808 OMP_CRITICAL and OMP_ATOMIC.
8809 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8810 * c-pragma.h (enum pragma_kind): Add
8811 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8812 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8813 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8814 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8815 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8816 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8817 PRAGMA_OMP_THREADPRIVATE.
8818 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8819 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8820 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8821 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8822 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8823 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8824 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8825 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8826 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8827 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8828 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8829 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8830 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8832 (struct nesting_info): Add field_map,
8833 suppress_expansion, debug_var_chain.
8834 (create_nesting_tree): Initialize them.
8835 (lookup_field_for_decl): Use field_map.
8836 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8837 (convert_local_omp_clauses): New.
8838 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8839 (walk_body): Split out of walk_function.
8840 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8841 (convert_nonlocal_reference): Handle omp statements.
8842 (convert_local_reference): Likewise.
8843 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8844 (unnest_nesting_tree): New.
8845 (lower_nested_functions): Call it.
8846 (insert_field_into_struct): Make extern.
8847 (struct walk_stmt_info): Move to tree-gimple.h.
8848 (walk_stmts): Make extern.
8849 * omp-builtins.def: New file.
8850 * tree-iterator.c (expr_only): Clarify comment.
8851 * c-common.h (pushdecl_top_level, pushdecl,
8852 build_modify_expr, build_indirect_ref,
8853 c_finish_omp_master, c_finish_omp_critical,
8854 c_finish_omp_ordered, c_finish_omp_barrier,
8855 c_finish_omp_atomic, c_finish_omp_flush,
8856 c_finish_omp_for, c_split_parallel_clauses,
8857 omp_clause_default_kind, c_omp_sharing_predetermined,
8858 c_omp_remap_decl): Declare.
8859 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8860 (OBJS-common): Add omp-low.o.
8861 (c-omp.o, omp-low.o): Add.
8862 (gimplify.o): Add dependency on $(OPTABS_H).
8863 (GTFILES): Add omp-low.c.
8864 (gt-stringpool.h): Add.
8865 * tree-cfg.c (set_bb_for_stmt): Do not update the
8866 block-to-labels map if we are currently expanding to RTL.
8867 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8869 Handle IDENTIFIER_NODE.
8870 (tree_verify_flow_info): Do not ICE when emitting error
8871 messages about invalid labels.
8872 (dump_function_to_file): Reset CFUN before emitting the body
8874 (debug_function): New.
8875 * passes.c (init_optimization_passes): Schedule
8877 * langhooks-def.h (lhd_omp_predetermined_sharing,
8878 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8880 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8881 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8882 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8883 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8884 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8885 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8886 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8887 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8888 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8889 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8890 (LANG_HOOK_DECLS): Use them.
8892 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8893 Richard Henderson <rth@redhat.com>
8894 Jakub Jelinek <jakub@redhat.com>
8895 Diego Novillo <dnovillo@redhat.com>
8897 * c-parser.c (pragma_omp_clause): Define.
8898 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8899 (c_parser_compound_statement): Likewise.
8900 (c_parser_statement): Likewise.
8901 (c_parser_pragma): Handle omp pragmas.
8902 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8903 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8904 (c_parser_omp_clause_name, check_no_duplicate_clause,
8905 c_parser_omp_variable_list,
8906 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8907 c_parser_omp_clause_copyprivate,
8908 c_parser_omp_clause_default,
8909 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8910 c_parser_omp_clause_lastprivate,
8911 c_parser_omp_clause_nowait,
8912 c_parser_omp_clause_num_threads,
8913 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8914 c_parser_omp_clause_reduction,
8915 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8916 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8917 c_parser_omp_atomic, c_parser_omp_barrier,
8918 c_parser_omp_critical, c_parser_omp_flush,
8919 c_parser_omp_for_loop, c_parser_omp_for,
8920 c_parser_omp_master, c_parser_omp_ordered,
8921 c_parser_omp_sections_scope, c_parser_omp_sections,
8922 c_parser_omp_parallel, c_parser_omp_single,
8923 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8924 * c-pragma.c (init_pragma): Do omp pragma registration here.
8925 * c.opt (fopenmp): New flag.
8927 2006-01-18 Eric Christopher <echristo@apple.com>
8929 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8930 * config/darwin.h (GOMP_SELF_SPECS): Define.
8932 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8934 * rtl.h: Remove the prototype for reg_alloc.
8936 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8939 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8940 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8941 sjlj and dwarf2 exception handling.
8942 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8943 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8944 * pa/pa.c (function_value): Treat complex and vector types as
8946 (function_arg): Likewise. Only pass scalar floats in the floating
8947 point argument registers.
8948 * pa/t-slibgcc-dwarf-ver: New file.
8949 * pa/t-slibgcc-sjlj-ver: New file.
8950 * pa/t-slibgcc-elf-ver: Delete file.
8952 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8954 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8955 unlikely_test_section_p test.
8957 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8959 * mode-switching.c (optimize_mode_switching): Make it static.
8960 * basic-block.h: Remove the prototype for
8961 optimize_mode_switching.
8963 * modulo-sched.c (sms_schedule): Make it static.
8964 * rtl.h: Remove the prototype for sms_schedule.
8966 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8967 * rtl.h: Remove the prototype for gcse_after_reload_main.
8969 * reg-stack.c (reg_to_stack): Make it static.
8970 * rtl.h: Remove the prototype for reg_to_stack.
8972 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8974 * rtl.h: Remove the prototypes for regrename_optimize and
8975 copyprop_hardreg_forward.
8977 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8979 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8980 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8981 Test against the appropriate null constant for the mode.
8982 If 'fixup_overlap' is true, swap the operands if they overlap.
8983 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8984 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8985 alpha_split_tmode_pair and adjust for above change.
8986 * config/alpha/alpha.md (movtf_internal): Adjust call to
8987 alpha_split_tfmode_pair and rely on it to swap the operands.
8988 (movti_internal): New insn and post-reload splitter.
8989 (movti): New expander.
8991 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8993 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8996 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8998 * rtlanal.c (global_reg_mentioned_p_1,
8999 global_reg_mentioned_p): Remove.
9000 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9002 * flow.c (initialize_uninitialized_subregs): Make it static.
9003 * rtl.h: Remove the prototype for
9004 initialize_uninitialized_subregs.
9006 * function.c (instantiate_virtual_regs): Make it static.
9007 * function.h: Remove the prototype for
9008 instantiate_virtual_regs.
9010 * regmove.c (regmove_optimize, combine_stack_adjustments):
9012 * rtl.h: Remove the prototypes for regmove_optimize and
9013 combine_stack_adjustments.
9015 2006-01-17 Roger Sayle <roger@eyesopen.com>
9017 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9018 (size_cost): Encode costs in bytes so that a reg-reg addition is
9019 equivalent to COSTS_N_INSNS(1).
9020 (override_options): Use the size_cost.branch_cost as the default
9021 ix86_branch_cost when optimizing for size.
9023 2006-01-18 Ben Elliston <bje@au.ibm.com>
9025 * Makefile.in (D32PBIT_FUNCS): New.
9026 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9027 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9028 D64PBIT_FUNCS and D128PBIT_FUNCS.
9029 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9030 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9032 (decnumber_dep): Define.
9033 * doc/libgcc.texi (Decimal float library routines): New node.
9034 * config/dfp-bit.h, config/dfp-bit.c: New files.
9036 2006-01-18 Ben Elliston <bje@au.ibm.com>
9038 * expr.c (emit_move_change_mode): Always adjust addresses, not
9039 just during reload. Copy replacements only during reload.
9040 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9041 emit_move_via_integer.
9043 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9045 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9046 instead of $(srcdir) and ${srcdir}.
9048 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9052 * arm.h (struct machine_function): Add pic_reg.
9053 * arm.c (arm_pic_register): Make unsigned.
9054 (arm_override_options): Only set arm_pic_register if
9055 TARGET_SINGLE_PIC_BASE.
9056 (use_return_insn): Only test for a pic register if it is fixed.
9057 (arm_compute_save_reg0_reg12_mask): Likewise.
9058 (thumb_compute_save_reg_mask): Likewise.
9059 (legitimate_pic_operand): Factor out some known invariants.
9060 (legitimize_pic_address): If we don't have a fixed pic register,
9061 then set up a pseudo in the function entry sequence. Handle the
9062 pic base being in a pseudo.
9063 (arm_load_pic_register): Handle the pic register being in a pseudo.
9064 (arm_expand_prologue): Only set up the pic register if it is fixed.
9065 (thumb_expand_prologue): Likewise.
9066 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9067 (pic_load_addr_based_insn): Likewise.
9068 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9071 2006-01-18 Ben Elliston <bje@au.ibm.com>
9073 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9074 decimal float modes for all floating point registers.
9076 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9077 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9079 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9082 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9083 even when the pointer is not NULL.
9085 2006-01-16 Ian Lance Taylor <ian@airs.com>
9087 * common.opt (ftoplevel-reorder): New option.
9088 * cgraph.c (cgraph_asm_nodes): New global variable.
9089 (cgraph_asm_last_node): New static variable.
9090 (cgraph_order): New global variable.
9091 (cgraph_create_node): Set new order field.
9092 (cgraph_varpool_node): Likewise.
9093 (decide_is_variable_needed): Return true if not
9094 flag_toplevel_reorder.
9095 (cgraph_add_asm_node): New function.
9096 * cgraph.h (struct cgraph_node): Add order field.
9097 (struct cgraph_varpool_node): Add order field.
9098 (struct cgraph_asm_node): Define.
9099 (cgraph_asm_nodes, cgraph_order): Declare.
9100 (cgraph_add_asm_node): Declare.
9101 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9103 (cgraph_varpool_assemble_pending_decls): Call it.
9104 (cgraph_output_pending_asms): New static function.
9105 (cgraph_finalize_compilation_unit): Call it.
9106 (struct cgraph_order_sort): Define.
9107 (cgraph_output_in_order): New static function.
9108 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9109 !flag_toplevel_reorder case.
9110 * c-parser.c: Include "cgraph.h".
9111 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9113 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9114 than -fno-unit-at-a-time.
9115 * doc/invoke.texi (Option Summary): Mention
9116 -fno-toplevel-reorder.
9117 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9118 -funit-at-a-time documentation.
9120 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9121 Kazu Hirata <kazu@codesourcery.com>
9123 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9125 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9127 * Makefile.in (FUNCTION_H): New. Use it instead of
9128 function.h throughout the file.
9129 * function.h: Include tree.h.
9131 2006-01-17 Ben Elliston <bje@au.ibm.com>
9133 * recog.c: Separate some functions with whitespace.
9135 2006-01-16 Richard Henderson <rth@redhat.com>
9137 Merge from gomp branch:
9138 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9139 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9140 and rename from struct inline_data. Rename callee* to dst*;
9141 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9142 transform_new_cfg, transform_return_to_modify, and
9143 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9145 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9146 (copy_decl_for_dup): Remove.
9147 * tree-inline.c (struct inline_data): Move to header.
9148 (insert_decl_map): Export.
9149 (remap_decl): Update for member name changes. Use copy_decl hook.
9150 Allow for replacement to be a non-decl. Remove dead code.
9151 (remap_type_1): Check for existing mapping.
9152 (remap_type): Export.
9153 (remap_decls): Update for member name changes.
9154 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9155 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9156 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9157 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9158 (tree_function_versioning, build_duplicate_type): Likewise.
9159 (copy_body_r): Likewise. Export.
9160 (copy_decl_for_dup): Split into ...
9161 (copy_decl_for_dup_finish, copy_decl_to_var,
9162 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9163 (replace_ref_tree, inlining_p): Remove.
9165 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9167 * ifcvt.c (if_convert): Make it static.
9168 * rtl.h: Remove the prototype for if_convert.
9170 * local-alloc.c (local_alloc): Make it static.
9171 * rtl.h: Remove the prototype for local_alloc.
9173 * loop.c (loop_optimize): Make it static.
9174 * cfgloop.h: Remove the prototype for loop_optimize.
9177 2006-01-16 DJ Delorie <dj@redhat.com>
9179 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9182 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9184 * pa.md: Disparage copies between general and floating-point registers
9185 in 32-bit move patterns.
9187 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9190 * Makefile.in (check-%): Depend on site.exp instead of
9191 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9194 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9196 * global.c (global_alloc): Make it static.
9197 * rtl.h: Remove the prototype for global_alloc.
9199 2006-01-16 Richard Guenther <rguenther@suse.de>
9201 * tree-ssa-alias.c (struct used_part): Add write_only field.
9202 (get_or_create_used_part_for): Initialize it to true.
9203 (create_overlap_variables_for): Don't create structure variables
9204 for structures that only are written to.
9205 (find_used_portions): Handle MODIFY_EXPR to track whether a
9206 structure is only written to.
9208 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9210 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9212 * basic-block.h: Remove the prototype for
9213 partition_hot_cold_basic_blocks.
9215 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9217 * cppspec.c (lang_specific_spec_functions): Remove.
9218 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9219 * gcc.h (lang_specific_spec_functions): Remove.
9220 * gccspec.c (lang_specific_spec_functions): Remove.
9222 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9224 * combine.c (record_value_for_reg): Invalidate registers
9226 (record_dead_and_set_regs_1): Likewise, by passing them to
9227 record_value_for_reg.
9228 (record_dead_and_set_regs): Invalidate stores made by a
9229 call. We do not combine across a call, but we still
9230 relied on equivalences.
9232 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9234 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9235 vrp_int_const_binop returning non-constant nodes.
9237 2006-01-16 Paul Brook <paul@codesourcery.com>
9239 * config/m68k/m68k.c (output_move_const_into_data_reg):
9240 Output correct mnemonic for mvz and mvs.
9242 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9244 * rtl-factoring.c: Add sequence abstraction algorithm.
9245 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9246 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9248 (block_has_preserve_label): New function.
9249 * common.opt: Register new pass.
9250 * Makefile.in: Ditto.
9252 * timevar.def: Ditto.
9253 * tree-pass.h: Ditto.
9254 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9255 * rtl.h (make_jump_insn_raw): Add forward decl.
9256 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9258 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9259 Roger Sayle <roger@eyesopen.com>
9261 * fold-const.c (fold_minmax): New static function.
9262 (fold_binary) <MIN_EXPR>: Call it.
9263 <MAX_EXPR>: Likewise.
9264 * stor-layout.c (place_field): Use DECL_SIZE consistently
9265 in the computation of the new record size.
9267 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9269 * cse.c (cse_condition_code_reg): Make it static.
9270 * rtl.h: Remove the prototype for cse_condition_code_reg.
9272 * combine.c (combine_instructions): Make it static.
9273 * rtl.h: Remove the prototype for combine_instructions.
9275 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9278 * tree.c (get_file_function_name_long): Concatenate the first global
9279 object name with a string derived from the input filename of the object
9282 2006-01-16 Ben Elliston <bje@au.ibm.com>
9284 * config/i386/winnt-stubs.c: Update FSF address.
9285 * config/xtensa/ieee754-df.S: Ditto.
9286 * config/xtensa/ieee754-sf.S: Ditto.
9288 2006-01-14 Ian Lance Taylor <ian@airs.com>
9290 * ifcvt.c (noce_init_if_info): New static function, broken out of
9291 noce_process_if_block.
9292 (noce_process_if_block): Call noce_init_if_info.
9293 (check_cond_move_block): New static function.
9294 (cond_move_process_if_block): New static function.
9295 (process_if_block): Call cond_move_process_if_block.
9297 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9299 * cselib.c (hash_table): Rename to cselib_hash_table.
9300 (cselib_clear_table, discard_useless_values,
9301 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9302 cselib_init, cselib_finish): Adjust uses of hash_table.
9304 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9306 PR tree-optimization/25485
9307 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9308 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9309 is known to be false and true, respectively.
9311 2006-01-14 Richard Guenther <rguenther@suse.de>
9313 PR tree-optimization/22548
9314 PR tree-optimization/22555
9315 PR tree-optimization/22501
9316 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9317 * params.def (salias-max-array-elements): New parameter.
9318 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9319 * doc/invoke.texi (salias-max-array-elements): Document.
9320 * tree-flow-inline.h (var_can_have_subvars): We also handle
9322 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9324 * tree-ssa-structalias.c (params.h): Include.
9325 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9326 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9327 (get_constraint_for): For ADDR_EXPR operating on something
9328 containing an ARRAY_REF, add all subvars to the solution.
9329 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9330 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9331 for creating MUST_DEFs.
9332 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9334 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9336 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9338 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9339 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9340 number_of_iterations_le): New functions.
9341 (number_of_iterations_special): Removed.
9342 (number_of_iterations_exit): Do not use number_of_iterations_special.
9343 * tree.c (unsigned_type_for): Always return integer type.
9345 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9346 Richard Guenther <rguenther@suse.de>
9348 PR rtl-optimization/24257
9349 * gcse.c (find_moveable_store): Only consider a store movable
9350 when the SET_SRC of the insn can be assigned to a register.
9352 2006-01-14 Ian Lance Taylor <ian@airs.com>
9354 * tree.c (tree_not_class_check_failed): New function.
9355 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9356 (tree_not_class_check_failed): Declare.
9358 2006-01-13 Ian Lance Taylor <ian@airs.com>
9360 * reload1.c (do_output_reload): Add assertion rejecting a
9363 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9365 * combine.c (struct reg_stat): Add new fields truncation_label and
9367 (record_value_for_reg): Reset truncated_to_mode.
9368 (record_truncated_value): New function.
9369 (check_promoted_subreg): Call it. Rename to check_conversions.
9370 (combine_instructions): Rename check_promoted_subreg to
9372 (reg_truncated_to_mode): New function.
9373 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9374 (gen_lowpart_or_truncate): New function.
9375 (force_to_mode): Use it instead of gen_lowpart.
9377 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9379 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9380 VAR is a tag, not its type tag.
9382 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9384 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9385 alternatives to match style of other entries.
9386 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9388 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9390 PR tree-optimization/25771
9391 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9394 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9397 * tree-inline.c (declare_return_variable): If the return variable
9398 was marked as a non gimple complex, set the return slot variable
9399 to be a non gimple comple variable.
9401 2006-01-13 Richard Guenther <rguenther@suse.de>
9403 * builtins.c (expand_builtin_sincos): New function.
9404 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9406 (expand_builtin): Expand sincos using expand_builtin_sincos.
9408 2006-01-12 DJ Delorie <dj@redhat.com>
9410 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9411 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9412 so that constant shifts can be split.
9413 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9414 (m32c_valid_pointer_mode): Make static.
9415 (shift_gen_func_for): New.
9416 (m32c_prepare_shift): Use it. Split large const shifts into
9418 * config/m32c/predicates.md (shiftcount_operand): Allow more
9420 (longshiftcount_operand): New.
9421 * doc/md.texi (Machine Constraints): Document In6.
9423 2006-01-13 Ben Elliston <bje@au.ibm.com>
9425 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9426 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9429 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9431 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9432 to try to avoid clobbering pieces of structures when we know
9433 something about the whole structure.
9434 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9436 2006-01-13 Ben Elliston <bje@au.ibm.com>
9438 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9439 return in memory, as this is no limitation is no longer present.
9441 2006-01-12 DJ Delorie <dj@redhat.com>
9443 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9444 mova with fb, and for fb+0 -> An.
9446 * config/m32c/mov.md (peephole2): Fix enabling logic.
9448 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9449 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9450 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9451 FINI_ARRAY_SECTION_ASM_OP): Define.
9453 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9455 (m32c_legitimize_reload_address): New logic to reload FB to An.
9456 (m32c_output_reg_push): Add newline.
9457 (m32c_output_reg_pop): Likewise.
9459 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9461 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9463 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9465 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9467 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9469 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9472 2006-01-11 Ben Elliston <bje@au.ibm.com>
9474 * rtlanal.c (find_reg_note): Assert insn is not null.
9476 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9478 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9481 2006-01-11 Jeff Law <law@redhat.com>
9483 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9485 (mark_threaded_blocks, register_jump_thread): New functions.
9486 (thread_through_all_blocks): Remove unwanted argument. No
9487 longer rely on e->aux to communicate thread target info.
9488 Call mark_threaded_blocks. Release the threaded_blocks
9489 bitmap and threaded_edges vector when complete.
9490 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9491 (threaded_blocks): Remove.
9492 (tree_ssa_dominator_optimize): Remove initialization and
9493 finalization of threaded_blocks. Simplify call to
9494 thread_through_all_blocks.
9495 (thread_across_edge): Call register_jump_thread rather than
9496 storing thread information into e->aux.
9497 (free_all_edge_infos): Simplify now that e->aux is no longer
9498 used to communicate with thread_through_all_blocks.
9499 * tree-flow.h (thread_through_all_blocks): Update prototype.
9500 (register_jump_thread): Prototype.
9502 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9504 * df-core.c (df_compact_blocks, df_bb_replace): Use
9505 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9507 2006-01-11 Richard Guenther <rguenther@suse.de>
9509 PR tree-optimization/25734
9510 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9511 stop propagation after successful propagation to the LHS.
9513 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9515 * basic-block.h (control_flow_graph): Change the type of
9516 x_basic_block_info to VEC(basic_block,gc) *.
9517 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9519 (SET_BASIC_BLOCK): New.
9520 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9521 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9522 * cfgbuild.c (find_basic_blocks): Likewise.
9523 * cfglayout.c (fixup_reorder_chain): Likewise.
9524 * cfgrtl.c (create_basic_block_structure,
9525 rtl_create_basic_block): Likewise.
9526 * ifcvt.c (find_if_case_1): Likewise.
9527 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9530 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9532 * Makefile.in: Removed rotted odf.c entry.
9534 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9537 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9538 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9539 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9540 output pattern modifier, not %e.
9541 * config/cris/cris.c (cris_op_str): Update comment about pattern
9543 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9544 before falling through into...
9545 <case 'E'>: Redefined from old 'e' case.
9547 2006-01-11 Jan Hubicka <jh@suse.cz>
9550 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9552 2006-01-11 Jan Hubicka <jh@suse.cz>
9554 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9555 * i386.c (x86_decompose_lea): Kill.
9556 (ix86_rtx_costs): Kill.
9558 2006-01-11 Jan Hubicka <jh@suse.cz>
9560 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9561 * cgraph.h (cgraph_node): Add inline_decl.
9562 (cgraph_insert_node_to_hashtable): Declare.
9563 (save_inline_function_body): Declare.
9564 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9566 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9567 (cgraph_function_versioning): Update call of tree_function_versioning.
9568 (save_inline_function_body): New function.
9569 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9570 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9571 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9572 (cgraph_default_inline_p): Likewise.
9573 (cgraph_decide_inlining_incrementally): Likewise.
9574 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9575 (copy_bb): Kill saving; do updating of clones.
9576 (copy_cfg_body): Kill saving.
9577 (initialize_inlined-parameters): Likewise.
9578 (expand_call_inline): Likewise.
9580 (tree_function_versioning): New parameter "update_clones".
9581 (inlining_p): Kill saving.
9582 * tree-inline.h (tree_function_versioning): Update prototype.
9583 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9586 2006-01-11 Ian Lance Taylor <ian@airs.com>
9588 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9589 Allow undoing set of machine mode.
9590 (do_SUBST): Use enums instead of is_int.
9591 (do_SUBST_MODE): New function.
9592 (SUBST_MODE): New macro.
9593 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9594 reg and trying to replace reg_regno_rtx with a new register.
9595 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9596 (simplify_set): Use SUBST_MODE.
9597 (distribute_notes): Remove code that tried to update reg notes
9598 for regno_reg_rtx changes.
9600 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9602 PR tree-optimization/23109
9603 PR tree-optimization/23948
9604 PR tree-optimization/24123
9606 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9607 * tree-cfg.c (single_noncomplex_succ): New.
9608 * tree-flow.h (single_noncomplex_succ): Declare it.
9609 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9610 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9611 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9612 insert_bb, register_division_in, insert_reciprocals,
9613 replace_reciprocal, free_bb): New.
9614 (execute_cse_reciprocals_1): Rewritten.
9615 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9616 Do not commit any edge insertion. Always compute dominators and
9617 create the allocation pool.
9618 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9619 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9620 * targhooks.c (default_min_divistions_for_recip_mul): New.
9621 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9622 * passes.c (init_optimization_passes): Run recip after tree loop
9624 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9626 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9627 Kenneth Zadeck <zadeck@naturalbridge.com>
9629 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9630 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9631 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9632 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9633 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9634 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9635 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9636 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9637 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9638 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9639 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9640 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9641 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9642 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9643 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9644 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9645 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9646 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9647 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9648 DF_SCAN_POST_ALLOC): New macros.
9649 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9650 df_free_bb_function, df_local_compute_function, df_init_function,
9651 df_dataflow_function, df_confluence_function_0,
9652 df_confluence_function_n, df_transfer_function,
9653 df_finalizer_function, df_free_function, df_dump_problem_function,
9654 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9655 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9656 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9657 df_urec_bb_info, ) New types.
9658 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9660 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9661 df_analyze_simple_change_some_blocks,
9662 df_analyze_simple_change_one_block, df_compact_blocks,
9663 df_bb_replace, df_bb_regno_last_use_find,
9664 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9665 df_insn_regno_def_p, df_find_def, df_find_use,
9666 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9667 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9668 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9669 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9670 debug_df_chain, df_get_dependent_problem, df_chain_create,
9671 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9672 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9673 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9674 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9675 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9676 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9677 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9678 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9679 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9680 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9681 df_reorganize_refs, df_set_state, df_hard_reg_init,
9682 df_read_modify_subreg_p) New public functions.
9683 * df-core.c: The core dataflow solver and glue routines for rtl
9685 (df_init, df_add_problem, df_set_blocks, df_finish,
9686 df_hybrid_search_forward, df_hybrid_search_backward,
9687 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9688 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9689 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9690 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9691 df_reg_defined, df_find_use, df_reg_used, df_dump,
9692 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9693 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9694 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9695 debug_df_useno, reset_df_after_reload): New functions.
9696 * df-scan.c: The scanning fuctions, once in df.c, completely
9697 rewritten so that they now fully model the functionality of
9698 register usage at the backend.
9699 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9700 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9701 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9702 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9703 df_get_artificial_defs, df_get_artificial_uses,
9704 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9705 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9706 df_refs_delete, df_reorganize_refs, df_set_state,
9707 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9708 df_def_record_1, df_defs_record, df_uses_record,
9709 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9710 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9711 df_record_exit_block_uses, df_hard_reg_init): New functions.
9713 * df-problems.c: Seven concrete dataflow problems that use the
9714 scanning in df-scan.c and are solved by the engine in df-core.c.
9715 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9716 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9717 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9718 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9719 df_ru_free_bb_info, df_ru_alloc,
9720 df_ru_bb_local_compute_process_def,
9721 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9722 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9723 df_ru_transfer_function, df_ru_free, df_ru_dump,
9724 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9725 df_rd_free_bb_info, df_rd_alloc,
9726 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9727 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9728 df_rd_transfer_function, df_rd_free, df_rd_dump,
9729 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9730 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9731 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9732 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9733 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9734 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9735 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9736 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9737 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9738 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9739 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9740 df_urec_mark_reg_use_for_earlyclobber,
9741 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9742 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9743 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9744 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9745 df_chain_create_bb_process_use, df_chain_create_bb,
9746 df_chain_finalize, df_chain_free, df_chains_dump,
9747 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9748 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9749 df_reg_lifetime): New functions.
9750 * df.c: Deleted file.
9751 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9752 consistent with new df api.
9753 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9754 rest_of_handle_sms): Ditto.
9755 * web.c (unionfind_union, union_defs, entry_register, web_main):
9757 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9758 invariant_expr_equal_p, find_defs, check_dependencies,
9759 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9760 free_inv_motion_data, move_loop_invariants): Ditto.
9761 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9762 Update dependencies.
9763 (odf.c): Added defective entry that was deleted later in day.
9764 * sched-deps.c (sched_analyze_1): Ditto.
9766 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9768 * tree-ssa-operands.c (get_expr_operands): Record addressable
9769 variables directly. Do not call add_stmt_operands for CONST_DECLs
9771 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9772 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9774 2006-01-11 Ben Elliston <bje@au.ibm.com>
9776 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9777 function returns true in the positive case.
9779 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9782 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9783 for SI, DI, SF and DF modes. Add alternatives to copy between
9784 general and floating point registers to the 32-bit patterns.
9785 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9786 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9787 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9788 generating 64-bit code.
9789 * config/pa/pa.c (output_move_double): Handle copies between general
9790 and floating registers.
9792 2006-01-10 Stuart Hastings <stuart@apple.com>
9794 * config/i386/i386.md (set_got): Update.
9795 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9796 (builtin_setjmp_receiver): Mach-O support.
9797 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9798 (GOT_SYMBOL_NAME): Define.
9799 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9800 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9801 * config/i386/i386.c (override_options): Revise for Darwin.
9802 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9803 support. (darwin_x86_file_end): New. (output_set_got): Add label
9804 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9805 * config/i386/i386-protos.h (output_set_got): Likewise.
9806 * config/darwin.c (machopic_legitimize_pic_address): Update
9809 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9811 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9812 when MODE isn't BLKmode.
9814 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9816 PR rtl-optimization/25367
9817 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9819 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9822 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9823 for a negative bound.
9825 2006-01-10 Richard Guenther <rguenther@suse.de>
9827 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9828 Never override with anything constraint.
9830 2006-01-10 Jan Beulich <jbeulich@novell.com>
9832 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9833 256 bits when optimize_size.
9835 2006-01-10 Jan Beulich <jbeulich@novell.com>
9837 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9839 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9840 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9843 2006-01-10 Ben Elliston <bje@au.ibm.com>
9845 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9847 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9848 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9849 (USE_FP_FOR_ARG): Reject decimal float modes.
9850 (function_arg_advance): Likewise.
9851 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9852 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9853 point types in AltiVec vectors.
9854 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9855 (rs6000_libcall_value): Likewise.
9857 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9859 * config/xtensa/ieee754-df.S: New file.
9860 * config/xtensa/ieee754-sf.S: New file.
9861 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9862 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9863 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9865 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9867 * config/sh/predicates.md (binary_float_operator,
9868 binary_logical_operator, commutative_float_operator,
9869 equality_comparison_operator, greater_comparison_operator,
9870 less_comparison_operator, logical_operator,
9871 noncommutative_float_operator, shift_operator,
9872 symbol_ref_operand, unary_float_operator): Remove redundant
9875 2006-01-09 Jeff Law <law@redhat.com>
9877 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9878 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9879 now unused arguments. Callers updated.
9880 (eliminate_redundant_computations): Remove now unused arguments,
9882 (local_fold): Remove, no longer used.
9883 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9885 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9886 (simplify_cond): New function.
9887 (forward_propagate_into_cond): Call simplify_cond.
9889 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9891 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9892 (*vec_extractv2di_1_sse): New.
9894 2006-01-09 Ben Elliston <bje@au.ibm.com>
9896 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9898 2006-01-08 Richard Guenther <rguenther@suse.de>
9900 * tree-ssa-structalias.c (get_constraint_for): Remove
9902 (get_constraint_for_component_ref): Likewise.
9903 (do_deref): Likewise.
9904 (get_constraint_for): Likewise.
9905 (do_structure_copy): Likewise.
9906 (handle_ptr_arith): Likewise.
9907 (find_func_aliases): Likewise. Remove unused need_anyoffset
9910 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9911 Kaz Kojima <kkojima@gcc.gnu.org>
9913 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9914 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9915 (EXTRA_CONSTRAINT_C16): Remove.
9916 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9917 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9918 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9919 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9920 constants of SHmedia. Handle nested constant expressions of
9922 (andcosts): Fix the costs for SHmedia constants.
9923 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9924 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9925 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9926 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9927 (movv4hi_i, movv2si_i): Likewise.
9928 (movsi_const): Adjust the second operand of ior so to match with
9930 (movdi_const, movdi_const_32bit): Likewise.
9931 (movdi_const_16bit+1): Don't sign-extend LOW.
9932 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9934 (*double_shori): Fix the split condition. Use GEN_INT instead
9935 of get_int_mode calls. Mask lower 16-bit of the argument of
9937 (sym2GOTPLT): Remove.
9938 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9940 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9941 instead of EXTRA_CONSTRAINT_C16.
9943 2006-01-07 Ian Lance Taylor <ian@airs.com>
9944 David Edelsohn <edelsohn@gnu.org>
9946 PR rtl-optimization/25662
9947 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9948 for constant operands instead of simplify_gen_binary.
9949 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9950 after trying simplify_binary_operation
9952 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9954 * tree.c (iterative_hash_expr): Hash decls based on UID.
9956 2006-01-06 Eric Christopher <echristo@apple.com>
9958 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9959 (TARGET_UNWIND_EMIT): Fix spelling.
9960 * target.h (gcc_target): Add except_table_label.
9961 * except.c (output_function_exception_table): Use.
9962 * varasm.c (default_emit_except_table_label): New.
9963 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9965 (asm_out): Add here.
9966 * output.h (default_emit_except_table_label): Prototype.
9967 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9968 * config/darwin.c (darwin_emit_except_table_label): Define.
9969 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9971 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9973 PR tree-optimization/18527
9974 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9975 number_of_iterations_special, number_of_iterations_exit):
9976 Move base and step of an iv to a single structure. Add
9977 no_overflow flag, and use it in # of iterations analysis.
9978 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9979 folded_casts argument.
9980 (simple_iv): Pass base and step in a structure. Set no_overflow
9982 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9983 Evaluate expensiveness of computing # of iterations instead of
9984 the final expression.
9985 * tree-scalar-evolution.h (affine_iv): New structure.
9986 (simple_iv): Declaration changed.
9987 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9988 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9989 find_givs_in_stmt): Changed due to simple_iv change.
9991 2006-01-06 Jeff Law <law@redhat.com>
9994 * tree-cfg.c (bsi_replace): Rename final argument from
9995 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9996 change (stmt -> orig_stmt).
9997 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9998 (bsi_remove): Add new argument. Remove EH information
10000 (verify_eh_throw_table_statements): New function.
10001 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10003 * tree-optimize.c (execute_free_cfg_annotations): Verify
10004 the EH throw statement table after removing annotations.
10005 * except.h (verify_eh_throw_table_statements): Prototype.
10006 * tree-flow.h (bsi_remove): Update prototype.
10007 * tree-vrp.c (remove_range_assertions): Add new argument to
10009 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10010 * tree-complex.c (expand_complex_div_wide): Likewise.
10011 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10012 * tree-tailcall.c (eliminate_tailcall): Likewise.
10013 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10014 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10015 * tree-nrv.c (tree_nrv): Likewise.
10016 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10017 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10018 (combine_blocks): Likewise.
10019 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10020 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10021 (cleanup_control_flow): Likewise.
10022 (remove_forwarder_block): Likewise.
10023 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10024 * tree-sra.c (sra_replace): Likewise.
10025 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10026 (forward_propagate_single_use_vars): Likewise.
10027 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10028 * tree-inline.c (expand_call_inline): Likewise.
10029 * tree-vect-transform.c (vect_transform_loop): Likewise.
10030 * tree-outof-ssa.c (rewrite_trees): Likewise.
10031 * tree-cfg.c (make_goto_expr_edges): Likewise.
10032 (cleanup_dead_labels): Likewise.
10033 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10034 (bsi_move_before, bsi_move_after): Likewise.
10035 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10036 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10038 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10041 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10043 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10044 on non gimple variables. Also add checks at the top for decls and
10046 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10048 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10049 and IMAGPART_EXPR for creating MUST_DEFs.
10050 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10051 and NAME_MEMORY_TAG separately from the DECLs.
10053 2006-01-06 Richard Guenther <rguenther@suse.de>
10055 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10056 annotation, if necessary.
10057 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10058 redundant calls to update_stmt.
10059 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10062 2006-01-05 Richard Henderson <rth@redhat.com>
10064 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10066 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10068 * c-typeck.c: Update copyright date.
10070 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10072 * c-typeck.c (build_c_cast): Always warn when casting
10073 from a pointer to an integer of different size, even if
10074 the node was constant.
10076 2006-01-05 Richard Guenther <rguenther@suse.de>
10078 PR tree-optimization/22555
10079 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10080 if one structure field is an array.
10081 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10082 operands even if we found a subvar, but ignore VOPs in this
10084 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10086 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10088 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10090 PR middle-end/24998
10091 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10093 2006-01-05 Richard Guenther <rguenther@suse.de>
10094 Diego Novillo <dnovillo@redhat.com>
10096 * tree-pass.h (TODO_remove_unused_locals): Define.
10097 * gimple-low.c (expand_var_p, remove_useless_vars,
10098 pass_remove_useless_vars): Remove. Update all users.
10099 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10100 (remove_unused_locals): New function.
10101 * tree-flow.h (remove_unused_locals): Declare.
10102 * passes.c (execute_todo): Call remove_unused_locals if
10103 TODO_remove_unused_locals is set.
10104 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10105 * tree-ssa-dce.c (pass_dce): Likewise.
10106 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10108 2006-01-05 Richard Guenther <rguenther@suse.de>
10110 * tree-flow.h (struct fieldoff): Decompose field to
10111 type, size and decl.
10112 * tree-ssa-alias.c (create_sft): Take type as parameter.
10113 (create_overlap_variables_for): Store type, size and decl
10114 in the fieldoff structure.
10115 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10116 of struct fieldoff.
10117 (push_fields_onto_fieldstack): Likewise.
10118 (create_variable_info_for): Likewise. Use offset for the
10119 SFT name if the decl is not available.
10121 2006-01-04 Paul Brook <paul@codesourcery.com>
10123 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10125 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10127 * lambda-code.c (can_put_in_inner_loop): Relax
10129 (can_put_after_inner_loop): New function.
10130 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10131 (perfect_nestify): Change to make copies and modify uses.
10133 2006-01-04 Richard Henderson <rth@redhat.com>
10135 Merge from gomp branch:
10136 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10137 via integer constant.
10138 (pragma_lex): Remove.
10139 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10140 rather than parsing it.
10141 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10142 handle_pragma_extern_prefix): Add %< %> quotes.
10143 (registered_pragmas): New.
10144 (c_register_pragma_1): New.
10145 (c_register_pragma): Use it.
10146 (c_register_pragma_with_expansion): Likewise.
10147 (c_invoke_pragma_handler): New.
10148 (init_pragma): Use cpp_register_deferred_pragma directly for
10150 * c-pragma.h (enum pragma_kind): New.
10151 (pragma_handler): New.
10152 (c_invoke_pragma_handler): Declare.
10153 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10155 * c-common.h (c_common_pch_pragma): Update decl.
10156 * Makefile.in (c-parser.o): Update dependencies.
10157 (GTFILES): Add c-pragma.h.
10158 * c-parser.c (struct c_token): Add pragma_kind.
10159 (struct c_parser): Add in_pragma.
10160 (c_lex_one_token): Always initialize keyword and pragma_kind.
10161 Extract data for CPP_PRAGMA.
10162 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10163 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10164 Don't allow CPP_PRAGMA_EOL if in_pragma.
10165 (c_parser_consume_pragma): New.
10166 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10167 (c_parser_skip_to_end_of_parameter): Likewise.
10168 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10169 (c_parser_skip_to_pragma_eol): New.
10170 (c_parser_external_declaration): Handle CPP_PRAGMA.
10171 (c_parser_compound_statement_nostart): Likewise.
10172 (c_parser_statement_after_labels): Likewise.
10173 (c_parser_pragma): New.
10174 (pragma_lex): Likewise.
10175 (c_parser_pragma_pch_preprocess): New.
10176 (c_parser_new): Merge into ...
10177 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10179 2006-01-04 Jeff Law <law@redhat.com>
10182 * tree-cfg.c (bsi_replace): Remove the original statement
10183 from the EH throw statement table.
10185 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10187 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10188 make the prototype extern "C" and add throw ().
10191 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10192 and pos non-negative and pos + len <= 32.
10193 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10194 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10195 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10198 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10199 as well as sizes not multiple of component size.
10202 * function.c (instantiate_expr): New function.
10203 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10204 walk its DECL_VALUE_EXPR with instantiate_expr.
10206 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10207 DW_OP_deref{,_size} if address isn't going to be added.
10209 2006-01-04 Ben Elliston <bje@au.ibm.com>
10211 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10212 * config/fp-bit.c: Likewise.
10214 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10216 * dominance.c: Add comment about why we use DFS numbering
10219 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10220 Richard Henderson <rth@redhat.com>
10222 Merge from gomp-branch:
10223 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10224 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10226 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10228 PR rtl-optimization/25578
10229 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10230 pass a parameter to simplify_shift_const if changing ASHIFTRT
10233 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10235 * builtins.c (get_builtin_sync_mem): New function.
10236 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10237 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10238 Call get_builtin_sync_mem to generate mem rtx.
10240 2006-01-03 Richard Guenther <rguenther@suse.de>
10243 * stmt.c (add_case_node): Make sure to clear overflow flags
10246 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10248 Merge from gomp-branch.
10249 * config/sparc/sync.md: New file.
10250 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10251 UNSPECV_LDSTUB): New constants.
10252 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10253 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10254 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10257 2006-01-03 Roger Sayle <roger@eyesopen.com>
10259 * combine.c (reg_subword_p): New predicate to test whether the
10260 destination of a set refers to a subword/piece of a register.
10261 (try_combine): Generalize the code to merge the setting of a
10262 pseudo to a constant followed by a set of a subword of that
10263 register to a constant.
10265 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10267 * basic-block.h (control_flow_graph): Change the type of
10268 x_label_to_block_map to VEC(basic_block,gc) *.
10269 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10270 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10272 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10273 VEC(basic_block,heap) *.
10274 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10275 ssa_prop_fini): Adjust the uses of cfg_blocks.
10277 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10279 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10281 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10282 hashing trees instead of a pointer hash.
10283 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10284 compare for MEM_EXPR.
10286 PR rtl-optimization/25130
10287 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10288 when comparing MEMs for GCSE
10290 2006-01-03 Ben Elliston <bje@au.ibm.com>
10292 * targhooks.h (default_decimal_float_supported_p): Declare.
10293 * targhooks.c (default_decimal_float_supported_p): Define.
10294 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10295 `default_decimal_float_supported_p'.
10296 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10298 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10300 * combine.c (apply_distributive_law <SUBREG>): Check
10301 TRULY_NOOP_TRUNCATION.
10303 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10305 * dwarf2out.c (have_switched_text_section): Delete.
10306 (have_multiple_function_sections): New.
10307 (have_location_lists): Make 'bool'.
10308 (add_AT_loc_list): Use 'true' not '1'.
10309 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10310 (output_loc_list): Use have_multiple_function_sections.
10311 (output_ranges): Likewise.
10312 (dwarf2out_begin_function): Set have_multiple_function_sections if
10314 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10315 Check function_section rather than DECL_SECTION_NAME.
10316 (dwarf2out_finish): Use have_multiple_function_sections.
10317 Don't clear have_location_lists.
10319 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10320 Jan Hubicka <jh@suse.cz>
10322 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10323 case of conditional jump jumping to the next instruction.
10324 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10325 cases of conditional jump jumping to the next instruction.
10327 2006-01-02 Jan Hubicka <jh@suse.cz>
10329 * i386.c (*_cost): Add COSTS_N_INSNS.
10330 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10332 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10335 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10337 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10339 * config/arm/arm.c (all_fpus): Fix comment typo.
10340 * config/darwin.c: Likewise.
10341 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10342 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10343 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10345 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10347 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10348 (rs6000_split_compare_and_swapqhi): New.
10349 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10350 (sync_compare_and_swapqhi_internal): New.
10351 * config/rs6000/rs6000-protos.h: Declare.