1 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
8 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10 Fix PR tree-optimization/26626
11 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13 * tree-ssa-operands.c (access_can_touch_variable): Allow
14 typecasting through union pointers.
16 2006-05-02 Jakub Jelinek <jakub@redhat.com>
19 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
20 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
21 to find if var will be a global variable even in the nested context.
22 (omp_copy_decl): Only check for global variable at the end, it might
23 be overridden in outer contexts.
24 (scan_sharing_clauses): For global variables don't create a field.
25 (lower_rec_input_clauses): Do nothing for global shared variables.
26 Emit a barrier at the end of ILIST if there were any decls in both
27 firstprivate and lastprivate clauses.
28 (lower_send_clauses): Do nothing for global variables except for
31 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
33 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
34 of the correct signedness is returned.
36 2006-05-02 Jeff Law <law@redhat.com>
38 PR tree-optimization/27364
39 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
42 2006-05-02 Tom Tromey <tromey@redhat.com>
44 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
46 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
49 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
50 -mthumb -fPIC are used.
52 2006-05-02 Joshua Kinard <kumba@gentoo.org>
55 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
58 2006-05-02 Paul Brook <paul@codesourcery.com>
60 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
62 (create_fix_barrier): Check that a suitable barrier location is
64 (arm_reorg): Include ftmp->address in allowable range of addresses.
66 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
69 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
72 2006-05-02 Jakub Jelinek <jakub@redhat.com>
75 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
76 around RESULT_DECL for result passed by reference.
77 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
78 * omp-low.c (use_pointer_for_field): Don't look at
79 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
80 (scan_omp_1): Call remap_decl on RESULT_DECLs.
81 (lower_rec_input_clauses): Don't allocate VLA memory for the second
82 time or var for passing by reference for
83 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
84 TREE_ADDRESSABLE variables when passing by reference.
86 * omp-low.c (dump_omp_region): Fix output formatting.
89 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
90 (expand_omp_parallel): Likewise.
91 * tree-cfg.c (move_sese_region_to_fn): Likewise.
94 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
95 on statement list containing also constructors and destructors.
96 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
99 * except.c (duplicate_eh_regions): Fix clearing of
100 cfun->eh->region_array entries.
102 2006-05-01 DJ Delorie <dj@redhat.com>
104 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
106 (gcc_cv_objdump): Likewise.
107 * configure: Regenerated.
109 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
112 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
113 templates for case 3 and 4.
115 2006-05-01 DJ Delorie <dj@redhat.com>
117 * vec.c: Include bconfig.h when appropriate.
118 * Makefile.in (build/vec.o): Adjust dependencies.
119 * mkconfig.sh: Make sure config.h isn't used for build machine
122 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
124 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
126 (mark_phi_for_rewrite): New function.
127 (insert_phi_nodes_for, mark_use_interesting): Call
128 mark_phi_for_rewrite.
129 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
130 (update_ssa): Initialize and free phis_to_rewrite.
132 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
134 PR rtl-optimization/27291
135 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
136 folded to a constant.
138 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
140 PR tree-optimization/27283
141 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
142 not whole # of iteration descriptions.
143 (niter_for_exit): Return just # of iterations. Fail if # of iterations
144 uses abnormal ssa name.
145 (niter_for_single_dom_exit): Ditto.
146 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
147 return just the number of iterations.
149 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
151 PR tree-optimization/27144
152 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
153 (record_estimate): Only record constant upper bound.
154 (infer_loop_bounds_from_undefined): Call
155 compute_estimated_nb_iterations just once.
156 (proved_non_wrapping_p): Renamed to ...
157 (n_of_executions_at_most): ... this. Expect bound to be a constant.
158 (convert_step_widening, scev_probably_wraps_p): Call
159 n_of_executions_at_most instead of proved_non_wrapping_p.
160 (substitute_in_loop_info): Do not replace values in bounds.
161 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
164 2006-05-01 Richard Henderson <rth@redhat.com>
167 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
168 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
171 2006-05-01 Roger Sayle <roger@eyesopen.com>
173 * c-typeck.c (parser_build_binary_op): Don't call the function
174 unsigned_conversion_warning to spot operand/result type overflow.
175 (build_binary_op): Instead, call convert_and_check instead of
176 convert to report the problem when the operands are promoted.
177 * c-common.c (unsigned_conversion_warning): Make static.
178 * c-common.h (unsigned_conversion_warning): Delete prototype.
180 2006-05-01 Richard Guenther <rguenther@suse.de>
182 PR tree-optimization/26726
183 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
185 (find_interesting_uses_address): ... we work around here
186 by folding INDIRECT_REFs in the substituted base.
188 2006-05-01 Diego Novillo <dnovillo@redhat.com>
190 * omp-low.c (dump_omp_region): Add newlines.
192 2006-04-30 Roger Sayle <roger@eyesopen.com>
194 * common.opt (Woverflow): New command line option.
195 * c-common.c (constant_expression_warning): Check warn_overflow.
196 (overflow_waring): Pass OPT_Woverflow to warning.
197 (unsigned_conversion_warning): Likewise.
198 (convert_and_check): Likewise.
199 * doc/invoke.texi: Document new command line option.
201 2006-04-30 David Edelsohn <edelsohn@gnu.org>
203 * config/rs6000/rs6000.c (rs6000_override_options): Enable
204 TARGET_NO_FP_IN_TOC for section anchors.
205 (optimization_options): Enable section anchors for all
206 non-"Objective" languages.
208 2006-04-28 Eric Christopher <echristo@apple.com>
210 * config/darwin-c.c (darwin_ms_struct): Move this
211 (darwin_set_default_type_attributes): and this...
212 * config/darwin.c: ... here.
213 * config/darwin.h (darwin_ms_struct): Declare.
215 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
217 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
219 2006-04-28 Roger Sayle <roger@eyesopen.com>
222 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
223 (push_array_bounds): Delete prototype. Change BOUNDS argument to
224 an unsigned HOST_WIDE_INT.
225 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
227 (really_start_incremental_init): No need to call convert because
228 bitsize_zero_node is already of type bitsizetype.
229 (push_init_level): Extract the value of constructor_index as an
230 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
231 (process_init_element): Likewise.
233 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
235 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
236 value before passing to make_relative_prefix.
238 2006-04-28 Alan Modra <amodra@bigpond.net.au>
241 * builtins.c (expand_builtin_memset): Expand val in original mode.
243 2006-04-27 Eric Christopher <echristo@apple.com>
245 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
247 * config/darwin-c.c (darwin_ms_struct): New.
248 (darwin_pragma_ms_struct): Ditto.
249 (darwin_set_default_type_attributes): Ditto.
250 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
251 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
252 Register ms_struct pragma.
253 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
254 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
255 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
256 darwin_set_default_type_attributes if TARGET_MACHO.
258 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
260 PR tree-optimization/26854
261 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
262 * doc/tree-ssa.texi: Update immuse iterator documentation.
263 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
264 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
265 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
266 first_safe_imm_use, next_safe_imm_use): Remove.
267 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
268 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
269 (move_use_after_head): New. Helper function to sort immuses in a stmt.
270 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
271 (first_imm_use_stmt): New. Get first stmt in an immuse list.
272 (next_imm_use_stmt): New. Get next stmt in an immuse list.
273 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
274 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
275 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
276 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
277 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
278 (perfect_nestify): Use new iterator.
279 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
281 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
282 (next_imm_name): New field in struct immediate_use_iterator_d.
283 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
284 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
285 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
286 * tree-cfg.c (replace_uses_by): Use new iterator.
287 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
288 * tree-ssa-operands.c (correct_use_link): Remove.
289 (finalize_ssa_use_ops): No longer call correct_use_link.
291 2006-04-27 Stuart Hastings <stuart@apple.com>
293 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
294 * config/t-darwin (crt3.o): Use it.
295 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
296 'pmode', use Pmode instead of SImode for SYMBOL_REF.
297 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
298 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
299 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
302 2006-04-27 Roger Sayle <roger@eyesopen.com>
304 * expmed.c (store_fixed_bit_field): If we're not optimizing for
305 size, force the intermediate into a new pseudo rather instead of
306 performing both a bitwise AND and a bitwise IOR in memory.
308 2006-04-27 Richard Guenther <rguenther@suse.de>
310 PR rtl-optimization/26685
311 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
312 this one "max-flow-memory-locations".
314 2006-04-27 Richard Guenther <rguenther@suse.de>
316 PR tree-optimization/25148
317 * tree-vrp.c (compare_values): Remove code dealing with
318 comparisons against type min/max value. Honour overflow
319 and negative constants in code dealing with comparisons
320 of plus and minus expressions.
321 (value_inside_range): Use fold_binary with LE_EXPR and
322 GE_EXPR rather than compare_values.
324 2006-04-27 Dirk Mueller <dmueller@suse.de>
326 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
329 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
331 * basic-block.h (safe_insert_insn_on_edge): Removed.
332 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
335 2006-04-26 David Edelsohn <edelsohn@gnu.org>
336 Paolo Bonzini <bonzini@gnu.org>
339 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
340 (simplify_and_const_int): Same.
342 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
344 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
346 2006-04-26 Jakub Jelinek <jakub@redhat.com>
349 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
350 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
351 cgraph_global_info_ready.
354 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
357 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
358 either decl or init is error_mark_node.
361 * tree-flow.h (struct omp_region): Add sched_kind.
362 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
363 instead of extracting omp for data.
364 (expand_omp_for): Save extracted sched_kind.
366 2006-04-25 Roger Sayle <roger@eyesopen.com>
368 * expmed.c (store_bit_field): Also check whether the bitsize is
369 valid for the machine's "insv" instruction before moving the
370 target into a pseudo for use with the insv.
371 * config/i386/predicates.md (const8_operand): New predicate.
372 * config/i386/i386.md (extv, extzv, insv): Use the new
373 const8_operand predicate where appropriate.
375 2006-04-25 DJ Delorie <dj@redhat.com>
377 * doc/install.texi (Specific): Clarify that this is not a list of
378 supported hosts or targets.
380 2006-04-25 Richard Sandiford <richard@codesourcery.com>
382 PR rtl-optimization/26725
383 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
384 block's BB_DIRTY flag.
386 2006-04-25 Geoffrey Keating <geoffk@apple.com>
388 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
391 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
394 2006-04-25 David Edelsohn <edelsohn@gnu.org>
396 * varasm.c (align_variable): New function.
397 (get_block_for_decl): Apply align_variable to DECL before
398 calculating section information.
399 (assemble_variable): Split out alignment computation.
401 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
403 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
406 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
408 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
409 MODE_PARTIAL_INT mode.
410 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
411 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
413 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
414 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
416 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
418 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
420 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
421 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
422 MACFLAG_IH): Likewise.
423 (movstricthi_1): Renamed from "*movstricthi".
424 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
425 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
426 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
427 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
428 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
429 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
430 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
431 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
432 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
433 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
434 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
435 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
436 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
437 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
438 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
440 * doc/rtl.texi (ss_ashift): Improve wording.
442 2006-04-24 Geoffrey Keating <geoffk@apple.com>
444 * dwarf2out.c (verify_marks_clear): New.
445 (prune_unused_types): Call verify_marks_clear initially, not
448 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
450 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
451 * doc/rtl.texi: Document them.
452 * simplify-rtx.c (simplify_unary_operation,
453 simplify_binary_operation_1): Don't abort when we see them.
455 2006-04-24 Mark Mitchell <mark@codesourcery.com>
458 2006-04-23 Mark Mitchell <mark@codesourcery.com>
459 * configure.ac: Completely disregard languages that are not
461 * configure: Regenerated.
463 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
464 Richard Guenther <rguenther@suse.de>
466 PR tree-optimization/27236
467 * tree-inline.c (copy_body_r): Make sure to copy
468 TREE_THIS_VOLATILE flag.
470 2006-04-24 Richard Guenther <rguenther@suse.de>
473 * tree-complex.c (update_parameter_components): Don't handle
474 unused parameters which have no default def.
476 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
477 Richard Guenther <rguenther@suse.de>
479 PR tree-optimization/27218
480 * tree-inline.c (expand_call_inline): Strip useless type
481 conversions for the return slot address.
483 2006-04-24 Richard Guenther <rguenther@suse.de>
485 * cfgloop.h (struct loops): Remove unused field array. Reorder
487 (LOOP_PREFETCH): Remove.
489 2006-04-24 Richard Guenther <rguenther@suse.de>
491 PR tree-optimization/22525
492 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
493 variable, adjust types of generated expressions.
495 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
497 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
498 (tree-vect-patterns.o): Likewise.
500 (cselib.o): Likewise.
501 (loop-doloop.o): Likewise.
502 (regclass.o): Likewise.
503 (reload1.o): Likewise.
504 (explow.o): Replace target.h with $(TARGET_H).
505 (ipa-prop.o): Likewise.
506 (ipa-cp.o): Likewise.
507 (ipa-inline.o): Likewise.
509 (reg-stack.o): Likewise.
511 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
513 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
515 2006-04-23 Mark Mitchell <mark@codesourcery.com>
517 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
519 * configure.ac: Completely disregard languages that are not
521 * configure: Regenerated.
524 * c-common.h (c_build_bitfield_integer_type): Declare.
525 * c-decl.c (c_build_bitfield_integer_type): Move to ...
526 * c-common.c (c_build_bitfield_integer_type): ... here.
528 2006-04-23 Roger Sayle <roger@eyesopen.com>
531 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
532 a SImode SUBREG of a floating point register after no_new_pseudos.
534 2006-04-23 Roger Sayle <roger@eyesopen.com>
536 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
537 identify potentially eliminable registers to additionally catch
538 VIRTUAL_INCOMING_ARGS_REGNUM.
539 (addsi3): Update the conditions on when to use addsi_small_int.
541 2006-04-23 Roger Sayle <roger@eyesopen.com>
544 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
545 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
546 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
548 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
550 * fold-const.c (range_predecessor): Use operand_equal_p
551 as the predicate for equality.
552 (range_successor): Likewise.
554 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
557 * config/soft-fp/op-common.h: Fix a typo.
559 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
562 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
563 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
565 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
567 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
569 * doc/tm.texi: Fix a typo.
571 2006-04-21 Geoffrey Keating <geoffk@apple.com>
573 * dwarf2out.c (struct die_struct): Document that die_sib makes
574 a circular linked list.
575 (FOR_EACH_CHILD): New.
576 (reverse_die_lists): Delete.
577 (reverse_all_dies): Delete.
578 (add_dwarf_attr): Correct documentation.
579 (remove_child_with_prev): New.
580 (remove_child_TAG): Update for change to die_struct, use
581 remove_child_with_prev.
582 (add_child_die): Update for change to die_struct.
583 (splice_child_die): Use remove_child_with_prev and add_child_die.
584 (print_die): Use FOR_EACH_CHILD.
585 (die_checksum): Likewise.
586 (assign_symbol_names): Likewise.
587 (output_location_lists): Likewise.
588 (build_abbrev_table): Likewise.
589 (calc_die_sizes): Likewise.
590 (mark_dies): Likewise.
591 (unmark_dies): Likewise.
592 (unmark_all_dies): Likewise.
593 (output_die): Likewise.
594 (prune_unused_types_mark): Likewise.
595 (prune_unused_types_walk): Likewise.
596 (same_die_p): Update for change to die_struct.
597 (break_out_includes): Likewise.
598 (prune_unused_types_prune): Likewise.
599 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
600 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
602 (dwarf2out_finish): Don't call reverse_all_dies.
604 2006-04-21 Eric Christopher <echristo@apple.com>
606 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
607 in comments and function names.
609 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
612 * c-typeck.c (digest_init): Robustify.
614 * c-typeck.c (pop_init_level): Simplify.
616 2006-04-21 Steve Ellcey <sje@cup.hp.com>
618 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
620 2006-04-21 Paul Brook <paul@codesourcery.com>
622 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
623 hardware floating point.
625 2006-04-21 David Edelsohn <edelsohn@gnu.org>
627 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
630 2006-04-21 Nick Clifton <nickc@redhat.com>
632 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
635 2006-04-21 Alan Modra <amodra@bigpond.net.au>
638 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
639 C++ lang type in traceback table for Objective-C++.
641 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
643 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
645 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
647 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
650 * tree-mudflap.c (mudflap_finish_file): Skip function when there
651 were errors. Remove check for erroneous objects.
653 2006-04-20 Jeff Law <law@redhat.com>
655 PR tree-optimization/26854
656 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
657 checking for zero or one use.
658 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
659 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
660 * tree-ssa-reassoc.c (negate_value): Similarly.
661 (reassociate_bb): Similarly.
663 2006-04-20 Jakub Jelinek <jakub@redhat.com>
665 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
666 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
667 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
669 2006-04-20 Alan Modra <amodra@bigpond.net.au>
671 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
672 fp regs if the last fp arg doesn't fit in regs.
674 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
677 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
678 that the last insn has the REG_INC note.
680 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
681 Nathan Sidwell <nathan@codesourcery.com>
684 * stor-layout.c (update_alignment_for_field): Do not align
686 (place_union_field): Place union field at the start of the union.
687 (place_field): Move ERROR_MARK check later, and use the current
688 allocation position to maintain monotonicity.
690 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
692 * dominance.c: Include timevar.h.
693 (calculate_dominance_info): Use TV_DOMINANCE.
694 * timevar.def (TV_DOMINANCE): New timevar.
695 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
697 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
699 PR rtl-optimization/14261
700 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
701 move would be an INSV insn.
702 (noce_process_if_block): Don't optimize if the destination is a
703 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
705 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
707 * config/s390/s390.md: Add comments with the instructions emitted
708 by an insn pattern if macros are used.
710 2006-04-19 Alan Modra <amodra@bigpond.net.au>
712 PR rtl-optimization/26026
713 * fold-const.c (fold_binary): Optimize div and mod where the divisor
714 is a known power of two shifted left a variable amount.
716 2006-04-18 Geoffrey Keating <geoffk@apple.com>
718 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
719 to hash table twice when the debug_str section has SECTION_MERGE.
721 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
723 * config/soft-fp: New directory. From glibc.
724 * config/soft-fp/t-softfp: New.
725 * config/soft-fp/README: New.
726 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
727 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
728 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
729 (LIBGCC_DEPS): Add $(SFP_MACHINE).
730 * config.gcc: Use rs6000/t-fprules-fpbit or
731 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
733 * config/rs6000/sfp-machine.h: New. Based on glibc.
734 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
736 * config/rs6000/t-fprules: Remove fp-bit rules.
737 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
738 * config/rs6000/t-linux64: Likewise. Remove duplicates from
739 LIB2FUNCS_EXTRA. Remove fp-bit rules.
740 (softfp_wrap_start, softfp_wrap_end): New.
742 2006-04-18 DJ Delorie <dj@redhat.com>
744 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
746 2006-04-18 Devang Patel <dpatel@apple.com>
748 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
750 2006-04-18 Nick Clifton <nickc@redhat.com>
752 * config/sh/t-symbian: Add rule to build sh-c.o
753 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
754 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
755 (sh_symbian_encode_section_info): Likewise.
757 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
759 * builtins.c (expand_builtin_strcmp): Cover label definition of
760 do_libcall with HAVE_cmpstrnsi.
762 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
764 * function.c (temp_slots_at_level, max_slot_level): Use VEC
766 * function.h (temp_slot_p): New.
767 (function): Change the type of x_used_temp_slots to
768 VEC(temp_slot_p,gc) *.
770 2006-04-18 Nick Clifton <nickc@redhat.com>
772 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
773 flag_strength_reduce.
775 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
777 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
781 Partial revert of revision 112637
782 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
783 Dale Johannesen <dalej@apple.com>
786 * regclass.c (struct reg_pref): Update documentation.
787 (regclass): Set prefclass to NO_REGS if memory is the best option.
788 (record_reg_classes): Cope with a prefclass set to NO_REGS.
790 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
792 PR tree-optimization/26821
793 * tree-ssa-math-opts.c (get_constant_one): New.
794 (insert_reciprocals): Use it.
796 2006-04-17 Geoffrey Keating <geoffk@apple.com>
798 * dwarf2out.c (free_AT): Delete.
799 (remove_AT): Update string ref counts.
800 (remove_child_TAG): Don't call free_die.
802 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
804 (prune_unused_types_walk_attribs): Reset string refcounts.
805 (prune_unused_types_update_strings): New.
806 (prune_unused_types_prune): Don't make unnecessary stores. Don't
807 call free_die. Do call prune_unused_types_update_strings.
808 (prune_unused_types): Empty debug_str_hash.
810 2006-04-17 Roger Sayle <roger@eyesopen.com>
812 * expr.c (expand_assignment): Optimize away no-op moves where the
813 source and destination are equal and have no side-effects.
815 2006-04-17 Richard Guenther <rguenther@suse.de>
818 * reload.c (push_reload): Guard calls to get_secondary_mem
821 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
823 * alias.c (reg_base_value, old_reg_base_value): Change the
824 type to VEC(rtx,gc) *.
825 (REG_BASE_VALUE, find_base_value, record_set,
826 init_alias_analysis): Use VEC instead of VARRAY.
828 * alias.c (alias_sets): Change the type to
829 VEC(alias_set_entry,gc) *.
830 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
831 VEC instead of VARRAY.
832 (last_alias_set): Remove.
834 * cgraph.h (cgraph_edge_p): New.
835 Update the prototype of cgraph_function_versioning.
836 * cgraphunit.c (cgraph_copy_node_for_versioning,
837 cgraph_function_versioning): Use VEC instead of VARRAY.
838 * ipa-cp.c (ipcp_insert_stage): Likewise.
840 2006-04-16 Roger Sayle <roger@eyesopen.com>
843 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
844 "A op B" or "A op C", we may need to convert A to the type of B and C.
846 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
848 * target.h (struct gcc_target): Add mode_rep_extended.
849 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
850 (init_num_sign_bit_copies_in_rep): Initialize it using
852 (truncate_to_mode): Use it.
853 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
854 * targhooks.h (default_mode_rep_extended): Declare it.
855 * targhooks.c (default_mode_rep_extended): Define it.
856 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
857 default_mode_rep_extended.
858 (TARGET_INITIALIZER): Include it.
859 * doc/tm.texi (Misc): Document it.
860 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
861 (mips_truncated_to_mode): New function.
863 2006-04-16 Roger Sayle <roger@eyesopen.com>
866 * expr.c (compress_float_constant): Copy the narrow constant into
867 a new pseudo before extending it to its final width.
869 2006-04-16 Roger Sayle <roger@eyesopen.com>
870 Andrew Pinski <pinskia@gcc.gnu.org>
871 Dale Johannesen <dalej@apple.com>
874 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
875 special case code to implement V8HImode and V16QImode with SSE2.
877 2006-04-15 Roger Sayle <roger@eyesopen.com>
879 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
880 trees are constructed with a suitable tree type.
882 2006-04-15 Roger Sayle <roger@eyesopen.com>
884 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
885 (integer_onep): Likewise.
886 (integer_all_onesp): Likewise.
887 (integer_pow2p): Likewise.
888 (integer_nonzerop): Likewise.
889 (real_zerop): Likewise.
890 (real_onep): Likewise.
891 (real_twop): Likewise.
892 (real_minus_onep): Likewise.
893 (int_size_in_bytes): Likewise.
894 (host_integerp): Likewise.
896 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
898 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
899 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
900 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
902 * tree-ssa-structalias.h (alias_info): Remove num_references.
904 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
906 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
907 (output_bvb patterns): Likewise.
908 * pa.c (output_bb): Use 'bb' insn for long branch case.
909 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
910 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
911 1. Correct length operand for alternatives 1 and 2.
912 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
913 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
915 2006-04-14 Roger Sayle <roger@eyesopen.com>
917 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
918 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
919 were accidentally reverted by r112959.
921 2006-04-15 Jakub Jelinek <jakub@redhat.com>
924 * except.h (eh_region_outermost): New prototype.
925 * except.c (eh_region_outermost): New function.
926 * tree-cfg.c (find_outermost_region_in_block): Use it.
928 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
930 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
932 * reload1.c (reg_equiv_memory_loc_varray): Rename to
933 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
934 (init_reload, reload): Use VEC instead of VARRAY.
935 * reload.h: Update the prototype for
936 reg_equiv_memory_loc_varray.
938 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
939 Eric Botcazou <ebotcazou@libertysurf.fr>
941 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
944 2005-04-13 Uros Bizjak <uros@kss-loka.si>
947 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
948 to expand fallback builtin function call.
950 2006-04-14 Alan Modra <amodra@bigpond.net.au>
953 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
954 and emit libcall here in case the builtin fails.
955 (expand_builtin_strcmp): Always emit the libcall here on failure.
957 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
959 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
960 * flow.c (reg_n_info): Change the type to
961 VEC(reg_info_p,heap) *.
962 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
964 * regs.h (reg_info_p): New.
965 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
966 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
967 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
970 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
972 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
974 * params.h (MAX_SCHED_READY_INSNS): New macro.
975 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
976 past MAX_SCHED_READY_INSNS during the first scheduling pass.
977 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
978 the ready list for 1 cycle during the first scheduling pass.
979 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
981 2006-04-13 Richard Henderson <rth@redhat.com>
984 * gimple-low.c (lower_omp_directive): Remove dead code.
985 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
986 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
987 * omp-low.c (struct omp_region): Move to tree-flow.h.
988 (root_omp_region): Export.
989 (omp_regions, lookup_omp_region): Remove.
990 (determine_parallel_type): Update for struct omp_region changes.
991 (dump_omp_region): Dump regions with block numbers.
992 (new_omp_region): Take type and block instead of stmt; malloc
994 (free_omp_region_1, free_omp_regions): New.
995 (expand_parallel_call): Take entry_stmt as argument; update for
996 changes to omp_region.
997 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
998 (remove_exit_barriers): New.
999 (expand_omp_parallel): Update for struct omp_region changes.
1000 (expand_omp_synch): Likewise.
1001 (expand_omp): Likewise.
1002 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1003 (expand_omp_for_static_chunk): Likewise.
1004 (expand_omp_for): Likewise.
1005 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1006 (expand_omp_sections): Similarly, with GOMP_sections_end.
1007 (expand_omp_single): New.
1008 (build_omp_regions_1): Update for OMP_CONTINUE.
1009 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1010 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1011 OMP_SECTIONS_SECTIONS.
1012 (lower_omp_single_simple): Don't emit barrier here.
1013 (lower_omp_single_copy): Likewise.
1014 (lower_omp_single): Fix bindings, and lower to straightline now.
1015 (lower_omp_master, lower_omp_ordered): Likewise.
1016 (lower_omp_critical): Likewise.
1017 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1018 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1019 omp edges, free it afterward.
1020 (make_omp_sections_edges): Remove.
1021 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1022 (move_stmt_r): Handle OMP_CONTINUE.
1023 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1024 statement pointers to basic blocks. Add type member.
1025 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1026 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1027 * tree-inline.c (estimate_num_insns_1): Likewise.
1028 * tree-pretty-print.c (dump_generic_node): Likewise.
1029 * tree-ssa-operands.c (get_expr_operands): Likewise.
1030 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1031 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1032 (OMP_CONTINUE): New.
1033 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1034 (OMP_SECTIONS_SECTIONS): Remove.
1035 (OMP_SECTION_LAST): New.
1036 (OMP_RETURN_NOWAIT): New.
1038 2006-04-13 Roger Sayle <roger@eyesopen.com>
1040 * fold-const.c (native_encode_vector, native_interpret_real):
1041 Correct obvious mistakes in the previous check-in.
1043 2006-04-13 Roger Sayle <roger@eyesopen.com>
1045 * fold-const.c (native_encode_expr): New function to encode
1046 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1047 or VECTOR_CST into a specified buffer.
1048 (native_encode_int): New function.
1049 (native_encode_real): New function.
1050 (native_encode_complex): New function.
1051 (native_encode_vector): New function.
1052 (native_interpret_expr): Inverse of native_encode_expr to convert
1053 a target representation into an INTEGER_CST, REAL_CST etc...
1054 (native_interpret_int): New function.
1055 (native_interpret_real): New function.
1056 (native_interpret_complex): New function.
1057 (native_interpret_vector): New function.
1058 (fold_view_convert_expr): New function to constant fold/evaluate
1059 a VIEW_CONVERT_EXPR of a suitable constant expression.
1060 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1061 Change call of build1 to fold_build1 when constructing a
1064 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1065 Ulrich Weigand <uweigand@de.ibm.com>
1068 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1071 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1074 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1075 optimize to lo_sum for DFmode if !TARGET_FPRS.
1077 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1079 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1080 delete_alias_info, compute_flow_sensitive_aliasing,
1081 group_aliases): Use VEC instead of VARRAY.
1082 * tree-ssa-structalias.c (update_alias_info): Likewise.
1083 * tree-ssa-structalias.h (alias_info): Change the type of
1084 processed_ptrs to VEC(tree,heap) *.
1086 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1089 * config/sh/lib1funcs.h: New file, broken out of:
1090 * config/sh/lib1funcs.asm.
1091 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1093 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1094 * config/sh/lib1funcs-Os-4-200.asm: New file.
1095 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1096 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1097 (EXTRA_MULTILIB_PARTS): Include it.
1098 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1099 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1100 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1101 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1104 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1106 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1107 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1108 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1110 * tree-ssa-live.h: Include vecprim.h.
1111 (tree_partition_associator_d): Change the type of
1112 first_partition to VEC(int,heap) *.
1113 (tpa_first_partition): Use VEC instead of VARRAY.
1115 * Makefile.in (GTFILES): Move functions.h after tree.h.
1116 * function.c (reset_block_changes, record_block_change,
1117 check_block_change, free_block_changes): Use VEC instead of
1119 * function.h (function): Change the type of
1120 ib_boundaries_block to VEC(tree,gc) *.
1121 * tree-inline.c (copy_cfg_body): Initialize
1122 ib_boundaries_block to NULL instead of (varray_type) 0.
1124 2006-04-12 Roger Sayle <roger@eyesopen.com>
1126 * expr.c (emit_group_store): Correct operand order in call to
1127 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1128 a SUBREG_BYTE of zero.
1130 2006-04-12 Richard Guenther <rguenther@suse.de>
1132 * profile.c (compute_branch_probabilities): Remove code
1133 encapsulated in !ir_type (), which are remanents of the
1134 removed RTL profiling code.
1135 * rtl-profile.c: Remove.
1137 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1139 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1140 magic NULL_RTX comment.
1141 (function_arg): Store entire fp arg to mem if any part should go
1143 (rs6000_arg_partial_bytes): Adjust for above change.
1145 2006-04-11 Roger Sayle <roger@eyesopen.com>
1147 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1148 if it hasn't been initialized by dwarf2out_init.
1150 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1152 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1153 symbolic constants in branch patterns.
1155 2006-04-11 Roger Sayle <roger@eyesopen.com>
1157 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1159 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1161 PR rtl-optimization/27073
1162 * gcse.c (try_replace_reg): Revert last change. Continue to search
1163 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1166 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1168 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1169 aggregate types other than record and union types.
1170 (function_arg): Likewise.
1171 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1173 (function_value): In 64-bit mode, return objects that require it
1176 2006-04-11 Roger Sayle <roger@eyesopen.com>
1178 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1180 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1182 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1184 2006-04-03 Jeff Law <law@redhat.com>
1187 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1188 alias information too.
1190 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1192 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1194 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1197 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1198 (premark_used_types_helper): New.
1199 (premark_used_types): New.
1200 (gen_subprogram_die): Call premark_used_types.
1201 (prune_unused_types_walk): Do not prune perennial dies.
1202 * function.c (used_types_insert): New.
1203 * function.h (struct function): Add used_types_hash field.
1204 (used_types_insert): Add prototype.
1205 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1206 * c-parser.c (c_parser_cast_expression): Save casted types in used
1209 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1212 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1213 rs6000_explicit_options.float_gprs.
1215 2006-04-10 Roger Sayle <roger@eyesopen.com>
1217 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1218 from ix86_expand_vector_init_low_nonzero. Take an additional
1219 one_var argument indicating which element is non-zero. Support
1220 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1221 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1222 with one_var instead of ix86_expand_vector_init_low_nonzero.
1224 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1226 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1227 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1228 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1229 build/genextract.o): Depend on vecprim.h.
1230 * cfglayout.c, df-problems.c, function.c, genextract.c,
1231 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1232 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1236 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1238 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1239 Declare VECs of this type.
1240 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1241 (remove_children): Delete.
1242 (add_dwarf_attr): Use VEC routines.
1243 (add_AT_flag): Update for changes to add_dwarf_attr.
1244 (add_AT_int): Likewise.
1245 (add_AT_unsigned): Likewise.
1246 (add_AT_long_long): Likewise.
1247 (add_AT_vec): Likewise.
1248 (add_AT_string): Likewise.
1249 (add_AT_die_ref): Likewise.
1250 (add_AT_fde_ref): Likewise.
1251 (add_AT_loc): Likewise.
1252 (add_AT_loc_list): Likewise.
1253 (add_AT_addr): Likewise.
1254 (add_AT_lbl_id): Likewise.
1255 (add_AT_lineptr): Likewise.
1256 (add_AT_macptr): Likewise.
1257 (add_AT_offset): Likewise.
1258 (add_AT_range_list): Likewise.
1259 (get_AT): Use VEC_iterate.
1260 (remove_AT): Use VEC_ordered_remove.
1261 (free_die): Fold remove_children into here; have it use VEC_iterate.
1262 (print_die): Use VEC_iterate on attrs.
1263 (reverse_die_lists): Don't reverse attr lists.
1264 (die_checksum): Use VEC_iterate on attrs.
1265 (same_die_p): Likewise.
1266 (output_location_lists): Likewise.
1267 (build_abbrev_table): Likewise.
1268 (size_of_die): Likewise.
1269 (unmark_all_dies): Likewise.
1270 (output_abbrev_section): Likewise.
1271 (output_die): Likewise.
1272 (prune_unused_types_walk_attribs): Likewise.
1274 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1276 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1278 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1281 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1283 2006-04-09 Roger Sayle <roger@eyesopen.com>
1285 * expr.c (store_constructor): Don't bother clearing target if
1286 we're about to assign a vector to it using vec_init_optab.
1288 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1290 * tree-ssa-alias.c (lhs_may_store_to): New function.
1291 (recalculate_used_alone): Handle LHS of calls.
1293 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1297 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1298 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1299 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1300 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1301 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1302 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1303 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1304 stubs. Add ".align 8" directives before all ".dword" directives.
1305 (GTHREAD_USE_WEAK): Revise comment.
1306 (TARGET_ATTRIBUTE_WEAK): Define.
1307 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1308 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1309 * stublib.c: New file.
1314 * pa.md (cbranch patterns): Revise arguments used in calls to
1315 output_cbranch, output_bb and output_bvd. Add long branch length
1317 (fbranch patterns): Handle long branches.
1318 (jump): Revise length check. Revise arguments for output_lbranch call.
1319 Add long branch length attributes.
1320 (decrement_and_branch_until_zero): Add long branch length attributes.
1321 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1322 Likewise. Revise arguments for output_parallel_addb and
1323 output_parallel_movb calls.
1324 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1325 output_parallel_movb and output_parallel_addb): Update prototypes.
1326 * pa.c (output_cbranch): Revise arguments. Correct handling of
1327 nullification in long branches.
1328 (output_lbranch): Add new argument to control extraction of delay
1330 (output_bb): Handle long branches.
1331 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1332 output_parallel_addb): Likewise.
1334 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1336 PR rtl-optimization/27073
1337 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1340 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1342 * tree.h (tree_memory_tag): Add old_used_alone.
1343 (SMT_OLD_USED_ALONE): New macro.
1344 * tree-ssa-alias.c (recalculate_used_alone): Stop
1345 marking things for renaming unnecessarily.
1347 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1349 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1350 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1351 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1352 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1353 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1354 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1355 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1356 spelling convensions.
1357 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1358 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1359 typos. Follow spelling conventions.
1361 2006-04-07 DJ Delorie <dj@redhat.com>
1363 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1364 passed on the stack.
1365 (m32c_init_cumulative_args): When a function returns a structure,
1366 always pass the pointer to that return area on the stack.
1367 (m32c_function_arg_advance): Don't increment the parameter number
1368 if we're processing the returned structure pointer.
1369 (pushm_info): Reverse order of registers.
1371 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1373 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1374 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1375 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1376 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1378 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1379 chrec_fold_multiply): Same.
1380 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1381 force_expr_to_var_cost): Same.
1382 * tree-mudflap.c (mf_xform_derefs_1): Same.
1383 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1385 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1387 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1388 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1391 2006-04-07 Jan Hubicka <jh@suse.cz>
1393 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1395 2006-04-07 Richard Guenther <rguenther@suse.de>
1397 PR tree-optimization/26135
1398 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1399 loads for store copy-prop.
1400 (copy_prop_visit_stmt): Likewise.
1402 2006-04-05 Robert Millan <robertmh@gnu.org>
1404 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1405 being overriden in config/k*bsd-gnu.h.
1406 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1408 * gcc/config/knetbsd-gnu.h: Ditto.
1410 2006-04-06 Jan Hubicka <jh@suse.cz>
1414 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1417 2006-04-06 Mike Stump <mrs@apple.com>
1419 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1420 for HAVE_nonlocal_goto to be consistent.
1421 (expand_builtin_nonlocal_goto): Likewise.
1422 (expand_builtin_strcmp): Use #ifdef instead of #if
1423 for HAVE_cmpstrnsi to be consistent.
1425 2006-04-05 DJ Delorie <dj@redhat.com>
1427 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1430 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1432 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1433 got-relative addressing for anything but SImode.
1435 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1436 even if the calling function doesn't modify them.
1438 2006-04-05 Richard Guenther <rguenther@suse.de>
1440 PR tree-optimization/26919
1441 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1442 to cgraph_estimate_size_after_inlining.
1444 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1446 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1448 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1450 PR tree-optimization/26996
1451 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1452 VECTOR_TYPE variables.
1454 2006-04-05 Richard Guenther <rguenther@suse.de>
1456 PR tree-optimization/26763
1457 * fold-const.c (fold_comparison): Move folding of
1458 PTR + CST CMP PTR + CST ...
1459 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1461 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1463 * doc/install.texi (Prerequisites): Refine some wording on
1464 bootstrapping and ksh.
1465 Move the version numbers of DejaGnu here from the testing section
1466 and fix casing of names.
1467 Fix markup and clarify wording for autogen requirements.
1468 Refer to GCJ instead of just java.
1469 Refer to SVN instead of CVS.
1470 Describe diffutils as useful instead of necessary.
1471 (Downloading the source): Refer to SVN instead of CVS.
1472 Adjust a link to our web site accordingly.
1473 (Configuration): Fix casing of Bison.
1474 (Building): Refer to SVN instead of CVS.
1475 Fix a sentence on the use of Bison and remove duplicate (and
1476 incorrect) version number of Bison requirement.
1477 Remove one redundant list of packages needed for building.
1478 (Specific): Avoid reference to CVS.
1480 2006-04-04 Eric Christopher <echristo@apple.com>
1482 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1483 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1484 (rs6000_handle_struct_attribute): New.
1485 (rs6000_ms_bitfield_layout_p): Ditto.
1487 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1489 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1490 NULL for dso parameter to atexit_common.
1492 2006-04-04 Eric Christopher <echristo@apple.com>
1494 * config/i386/i386.c (machopic_output_stub): Output \t
1495 between instructions and operands.
1497 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1499 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1500 satisfies_constraint_[IL] to explicit tests on value.
1502 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1504 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1505 set_nb_iterations_in_loop): Use build_int_cst instead of
1507 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1508 build_int_cst instead of convert.
1510 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1512 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1513 new value 2 for incoming.
1514 * function.c (expand_function_start): Call struct_value_rtx
1516 * config/sparc/sparc.md: Comment updated_return.
1517 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1518 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1519 struct return if sparc_std_struct_return and incoming is 2.
1520 (print_operand): Do not adjust return if
1521 sparc_std_struct_return.
1523 2006-04-04 Roger Sayle <roger@eyesopen.com>
1525 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1526 convert in the middle-end.
1527 * expr.c (store_expr, store_constructor, get_inner_reference,
1528 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1530 * tree.c (build_range_type): Likewise.
1532 2006-04-04 Tom Tromey <tromey@redhat.com>
1534 * doc/install.texi (Prerequisites): Mention jar.
1536 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1538 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1541 2006-04-04 Matthias Klose <doko@debian.org>
1543 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1544 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1547 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1549 * doc/extend.texi (Function Attributes): Rewrite visibility
1550 attribute documentation.
1551 * doc/invoke.texi (C++ Dialect Options): Rewrite
1552 -fvisibility-inlines-hidden documentation to describe something
1553 entirely different, although in practise compatible.
1554 (Code Gen Options): Warn about system headers in -fvisibiltity=
1557 * doc/extend.texi (Other Builtins): Document that
1558 __builtin_nan is a compile-time constant only when its argument
1561 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1563 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1564 trying to remove TRUNCATE check if all bits outside the new mode
1565 are identical to the sign bit.
1567 2006-04-03 Jeff Law <law@redhat.com>
1569 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1570 and operand scanning in some common cases.
1572 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1573 Dale Johannesen <dalej@apple.com>
1576 * regclass.c (struct reg_pref): Update documentation.
1577 (regclass): Set prefclass to NO_REGS if memory is the best option.
1578 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1579 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1580 into account. For non-registers, equate an empty preferred
1581 reload class to a `!' in the constraint; move the if clause to
1582 do so after those that reject the insn.
1583 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1585 (find_dummy_reload): Likewise.
1586 * doc/tm.texi (Register Classes): Document what it means
1587 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1588 * config/i386/i386.c (ix86_preferred_reload_class): Force
1589 using SSE registers (and return NO_REGS for floating-point
1590 constants) if math is done with SSE.
1591 (ix86_preferred_output_reload_class): New.
1592 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1593 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1594 * config/i386/i386.md: Remove # register preferences.
1596 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1599 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1600 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1601 the type of nb_iter.
1602 (instantiate_parameters_1): Convert the operands before calling
1603 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1604 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1606 2006-04-02 Roger Sayle <roger@eyesopen.com>
1608 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1609 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1611 * dojump.c (do_jump): Likewise.
1612 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1613 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1614 gimplify_boolean_expr): Likewise.
1615 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1616 * varasm.c (array_size_for_constructor): Likewise.
1617 * tree-object-size.c (compute_object_offset): Likewise.
1619 2006-04-02 Roger Sayle <roger@eyesopen.com>
1622 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1623 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1625 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1627 PR tree-optimization/26939
1628 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1630 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1632 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1633 at_stmt. Convert the type of operands before calling
1634 build_polynomial_chrec.
1635 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1637 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1638 (instantiate_parameters_1): Convert the type of operands before calling
1639 build_polynomial_chrec.
1640 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1641 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1642 reset_evolution_in_loop): Insert asserts to check the types of the
1644 (chrec_type): Moved...
1645 (eq_evolutions_p): Use operand_equal_p.
1646 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1647 the types of the operands.
1648 (chrec_type): ...here.
1649 * tree-data-ref.c (create_data_ref): Convert the operands before
1650 calling chrec_replace_initial_condition.
1651 (same_access_functions, analyze_subscript_affine_affine,
1652 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1653 (compute_subscript_distance, analyze_ziv_subscript,
1654 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1655 analyze_miv_subscript): Convert the operands before calling
1656 chrec_fold_minus or chrec_fold_plus.
1658 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1660 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1661 the dependence_relations vector.
1662 (compute_data_dependences_for_loop): Adjust call to
1663 compute_all_dependences.
1665 2006-04-01 Roger Sayle <roger@eyesopen.com>
1666 Richard Henderson <rth@redhat.com>
1668 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1669 gimple_boolify on the condition before calling gimplify_expr.
1671 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1673 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1674 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1675 the frame size. Update to use the new macros.
1676 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1677 * config/xtensa/ieee754-df.S: Likewise.
1679 2006-03-31 Richard Henderson <rth@redhat.com>
1681 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1682 (make_edges): ... here. Control fallthru creation with a local
1683 variable. Do not play with fake edges.
1684 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1685 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1688 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1690 * dwarf2.h (DW64_CIE_ID): Define.
1691 * dwarf2out.c (DWARF_CIE_ID): Define.
1692 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1693 length header. Use DWARF_CIE_ID.
1694 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1695 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1697 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1699 * config/sh/linux-atomic.asm: New file.
1700 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1702 2006-03-31 DJ Delorie <dj@redhat.com>
1704 * config/m32c/cond.md: Set condition flags properly throughout.
1705 * config/m32c/minmax.md: Likewise.
1706 * config/m32c/prologue.md: Likewise.
1707 * config/m32c/bitops.md: Likewise.
1708 * config/m32c/muldiv.md: Likewise.
1709 * config/m32c/mov.md: Likewise.
1710 * config/m32c/addsub.md: Likewise.
1711 * config/m32c/m32c.md: Likewise.
1712 * config/m32c/jump.md: Likewise.
1713 * config/m32c/shift.md: Likewise.
1715 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1716 conditionally output the pattern for this.
1717 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1718 (m32c_compare_redundant): New.
1719 (m32c_output_compare): New.
1720 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1722 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1723 dest, not src. Allow other 4-byte modes.
1725 2006-03-30 Denis Chertykov <denisc@overta.ru>
1727 * doc/md.texi: Refer to avr/constraints.md instead of
1730 2006-03-30 Roger Sayle <roger@eyesopen.com>
1732 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1733 signed vs. unsigned comparison failures on some hosts.
1735 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1738 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1739 change to FLOAT_REGS.
1741 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1742 (rs6000_override_options): Use it.
1743 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1744 only for -mabi=spe/no-spe and -mabi=altivec.
1746 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1748 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1751 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1753 * Makefile.in: Rename docdir to gcc_docdir.
1755 2006-03-30 Roger Sayle <roger@eyesopen.com>
1758 * expr.c (emit_group_store): Optimize group stores into a pseudo
1759 register by using a paradoxical subreg to initialize the destination
1760 if the first or last member of the group specifies a "low part".
1762 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1765 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1766 * target.h (struct gcc_target.speculate_insn): Change type of the
1767 second parameter to 'int'.
1768 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1769 the second operand of the DEPS_LIST.
1770 (copy_DEPS_LIST_list): Update reference to the second operand of the
1772 * rtl.h (alloc_DEPS_LIST): Update signature.
1773 * sched-int.h (ds_t): Change typedef to 'int'.
1774 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1776 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1778 * haifa-sched.c (try_ready): Change condition to restore
1779 non-speculative pattern of the instruction.
1780 (process_insn_depend_be_in_spec): Code to keep probability of the
1781 speculative dependence non-decreasing.
1783 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1785 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1786 (single_move_for_movmem): ... this. Also change all uses.
1787 (bfin_expand_strmov): Renamed to...
1788 (bfin_expand_movmem): ... this. Also change all uses.
1789 * config/bfin/bfin.md (movstrsi): Renamed to...
1790 (movstrsi): ...this.
1792 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1794 PR tree-optimization/26830
1796 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1797 (copy_prop_visit_stmt): Remove write-only variable ann.
1798 (init_copy_prop): Check variable loop depth here. Do not simulate
1799 memory-tag and virtual operand PHIs except for store copy prop.
1801 2006-03-30 Richard Guenther <rguenther@suse.de>
1803 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1804 variants with double arguments.
1806 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1808 * genpreds.c (write_tm_constrs_h): Delete variable p.
1809 * genconditions.c (write_header): Add tm-constrs.h to included
1811 * genpeep.c (main): Add toplev.h to included headers.
1812 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1813 (build/genpeep.o): Add toplev.h dependency.
1814 * config/rs6000/constraints.md: Add "W" constraint.
1816 2006-03-29 Roger Sayle <roger@eyesopen.com>
1818 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1819 sizes by correctly testing whether the size fits a host integer.
1820 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1821 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1822 SImode range for the default sizetype and bitsizetype.
1824 2006-03-29 Roger Sayle <roger@eyesopen.com>
1826 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1827 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1828 quickly if the argument is already of the correct type.
1829 Call fold_build1 instead of build1. Tidy up blank lines.
1831 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1833 * genemit.c (main): Add tm-constrs.h to included headers.
1834 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1835 * genpeep.c (main): Add tm-constrs.h to included headers.
1836 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1837 (write_tm_constrs_h): this and write complete file.
1838 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1839 (write_insn_preds_c): Add tm-constrs.h to included headers.
1840 (gen_constrs): New variable.
1841 (parse_option): Parse "-c".
1842 (main): Invoke write_tm_constrs_h.
1843 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1844 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1845 (object_out_file): Add tm-constrs.h dependency.
1846 (insn-emit.o): Same.
1847 (insn-output.o): Same.
1848 (insn-peep.o): Same.
1849 (insn-preds.o): Same.
1850 (insn-recog.o): Same.
1851 (tm-constsr.h): New target.
1852 (s-constrs-h): New target.
1854 * config/rs6000/constraints.md: New file.
1855 * config/rs6000/rs6000.c: Include tm-constrs.h.
1856 (num_insn_constant_wide): Convert to satisfies_constraint.
1857 (rs6000_rtx_costs): Convert to satisfies_constraint.
1858 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1859 (CONST_OK_FOR_LETTER_P): Delete.
1860 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1861 (EXTRA_CONSTRAINT): Delete.
1862 (EXTRA_MEMORY_CONSTRAINT): Delete.
1863 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1864 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1865 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1866 satisfies_constraint.
1868 * config/i386/i386.c: Include tm-constrs.h.
1870 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1872 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1873 * tree-data-ref.c (find_data_references_in_loop,
1874 compute_data_dependences_for_loop): Use pointers to VEC.
1875 (analyze_all_data_dependences): Adjust calls.
1876 * tree-data-ref.h (find_data_references_in_loop,
1877 compute_data_dependences_for_loop): Adjust declarations.
1878 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1879 compute_data_dependences_for_loop.
1881 2006-03-29 Paul Brook <paul@codesourcery.com>
1883 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1886 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1888 PR tree-optimization/26859
1889 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1891 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1892 for the step after fold_convert.
1894 2006-03-29 Paul Brook <paul@codesourcery.com>
1896 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1897 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1899 2006-03-29 Paul Brook <paul@codesourcery.com>
1902 * targhooks.c (default_narrow_bitfield): New fuction.
1903 * targhooks.h (default_narrow_bitfield): add prototype.
1904 * target.h (gcc_target): Add narrow_volatile_bitfield.
1905 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1906 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1907 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1908 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1910 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1912 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1914 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1915 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1916 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1917 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1918 (s390_function_arg_float): Allow SDmode and DDmode values to be
1919 passed in floating point registers.
1920 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1921 check with SCALAR_FLOAT_MODE_P.
1922 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1924 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1926 PR tree-optimization/25985
1927 * tree-ssa-loop-niter.c (number_of_iterations_le,
1928 number_of_iterations_ne): Make comments more precise.
1929 (number_of_iterations_cond): Add only_exit argument. Use the
1930 fact that signed variables do not overflow only when only_exit
1932 (loop_only_exit_p): New.
1933 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1934 number_of_iterations_cond.
1936 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1938 PR tree-optimization/26643
1939 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1942 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1944 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1945 (divsi3_i4_int): Likewise.
1947 2006-03-28 Roger Sayle <roger@eyesopen.com>
1949 * expr.c (emit_group_store): Only create a new pseudo reg if the
1950 quantity it needs to hold isn't already a suitable pseudo.
1952 2006-03-28 Jeff Law <law@redhat.com>
1954 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1955 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1957 2006-03-28 Roger Sayle <roger@eyesopen.com>
1959 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1960 the equivalent ~X & Y, and the symmetry related transformations.
1961 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1962 ~X & Y, and symmetry related transforms.
1964 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1966 Revert my 2006-03-27 patches.
1968 2006-03-28 Roger Sayle <roger@eyesopen.com>
1970 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1971 ~(T1)X, when T1 and T2 are integer types of the same precision
1972 and (T2)X isn't an extension.
1974 2006-03-28 Jeff Law <law@redhat.com>
1976 PR tree-optimization/26796
1977 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1978 need EH edge cleanups rather than purging them immediately.
1979 (eliminate_degenerate_phis): Handle queued EH cleanups.
1981 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1983 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1986 2006-03-27 Roger Sayle <roger@eyesopen.com>
1989 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1990 cast BIT_NOT_EXPR operand to the correct type.
1992 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1994 * tree-loop-linear.c: Don't include varray.h.
1995 (gather_interchange_stats, try_interchange_loops,
1996 linear_transform_loops): Use VEC instead of VARRAY.
1997 * lambda-mat.c: Don't include varray.h.
1998 * tree-chrec.c: Same.
1999 * lambda-trans.c: Same.
2000 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2001 VEC instead of VARRAY.
2002 * tree-vectorizer.h: Idem.
2003 * tree-data-ref.c (dump_data_references,
2004 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2005 initialize_data_dependence_relation, finalize_ddr_dependent,
2006 compute_all_dependences, find_data_references_in_loop,
2007 compute_data_dependences_for_loop, analyze_all_data_dependences,
2008 free_dependence_relation, free_dependence_relations,
2009 free_data_refs): Idem.
2010 * tree-data-ref.h (data_reference_p, subscript_p): New.
2011 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2012 VEC instead of VARRAY.
2013 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2014 (find_data_references_in_loop, compute_data_dependences_for_loop,
2015 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2016 dump_data_dependence_relations, free_dependence_relations,
2017 free_data_refs): Adjust declaration.
2018 (lambda_transform_legal_p): Move declaration here...
2019 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2020 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2021 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2022 vect_analyze_data_refs): Use VEC instead of VARRAY.
2023 * lambda.h (lambda_transform_legal_p): ...from here.
2024 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2025 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2026 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2027 tree-chrec.o): Don't depend on VARRAY_H.
2029 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2031 * rtl.def (Copyright): Update date.
2032 (DEPS_LIST): Change type of the second operand to 'int'.
2033 * target.h (Copyright): Update date.
2034 (struct gcc_target.speculate_insn): Change type of the second parameter
2036 * lists.c (Copyright): Update date.
2037 (alloc_DEPS_LIST): Change signature. Update reference to the second
2038 operand of the DEPS_LIST.
2039 (copy_DEPS_LIST_list): Update reference to the second operand of the
2041 * rtl.h (Copyright): Update date.
2042 (alloc_DEPS_LIST): Update signature.
2043 * sched-int.h (Copyright): Update date.
2044 (ds_t): Change typedef to 'int'.
2045 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2047 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2049 * haifa-sched.c (Copyright): Update date.
2050 (try_ready): Change condition to restore non-speculative pattern
2052 (process_insn_depend_be_in_spec): Code to keep probability of the
2053 speculative dependence non-decreasing.
2055 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2057 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2058 shut up the compiler.
2060 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2062 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2063 to use lib prefix for target.
2064 ($(T)libic_invalidate_array_4-200.a): Likewise.
2065 ($(T)libic_invalidate_array_4a.a): Likewise.
2067 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2068 J"orn Rennecke <joern.rennecke@st.com>
2070 * superh.opt: New file.
2071 * sh.c (boardtype, osruntime): Remove.
2072 * superh.h (SUBTARGET_OPTIONS): Remove.
2073 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2075 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2076 arguments with ^ and/or [].
2078 * config.gcc (sh-*-*): Add quoting to account for quirk of
2080 Replace == with = in enable_incomplete_targets test.
2082 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2083 with MASK_LITTLE_ENDIAN.
2085 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2086 * config/sh/sh.opt: Added to some comments.
2087 * config/sh/superh.h: Removed some chaff.
2089 * config/sh/sh.opt: Add m4-[1234]00* options.
2090 * config/sh/sh.c (sh_handle_option): Likewise.
2091 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2092 (ic_invalidate_array_4-100.o): New rule.
2093 ($(T)libic_invalidate_array_4-100.a): Likewise.
2094 (ic_invalidate_array_4-200.o): Likewise.
2095 ($(T)libic_invalidate_array_4-200.a): Likewise.
2096 (ic_invalidate_array_4a.o): Likewise.
2097 ($(T)libic_invalidate_array_4a.a): Likewise.
2098 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2099 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2101 * config/sh/crt1.asm: Merged in profiling code.
2102 * config/sh/superh.h (STARTFILE_SPEC): Override.
2103 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2104 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2105 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2107 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2108 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2109 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2111 * sh.opt (mpretend-cmove): New option.
2112 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2113 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2114 (movsicc): Add TARGET_PRETEND_CMOVE code.
2116 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2118 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2119 s390_class_max_nregs): New function prototypes.
2120 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2121 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2122 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2123 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2125 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2127 * dwarf2out.c (add_location_or_const_value_attribute): Call
2128 tree_add_const_value_attribute if nothing else works.
2129 (reference_to_unused): New.
2130 (rtl_for_decl_init): Use reference_to_unused to decide whether
2131 to output an initializer.
2133 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2136 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2137 peephole removing spe frob_di_df_2.
2139 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2141 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2142 (subscript_dependence_tester_1): Declared.
2143 (print_dir_vectors, print_dist_vectors): New.
2144 (debug_data_dependence_relation): New.
2145 (dump_data_dependence_relation): Print more details.
2146 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2147 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2148 (save_dist_v, save_dir_v, add_outer_distances,
2149 build_classic_dist_vector_1): New.
2150 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2151 Don't test for lambda_vector_lexico_pos.
2152 (same_access_functions, add_multivariate_self_dist,
2153 add_other_self_distances, dir_from_dist): New.
2154 (build_classic_dir_vector): Replace implementation almost identical to
2155 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2157 (subscript_dependence_tester_1): New.
2158 (subscript_dependence_tester): Handle the lexicographically negative
2159 distance vectors by recomputing the dependence relation.
2160 (compute_affine_dependence): Remove parameter loop_nest_depth.
2161 (compute_self_dependence): Don't call compute_subscript_distance.
2162 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2163 Add a parameter for the loop_nest.
2164 (find_loop_nest_1, find_loop_nest): New.
2165 (compute_data_dependences_for_loop): Compute the loop nest, and give
2166 up if the nest is not well formed.
2167 * tree-data-ref.h (loop_p): New.
2168 (struct data_dependence_relation): Replace size_vect field with
2169 loop_nest, a vec of loops.
2170 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2171 (DDR_LOOP_NEST): New.
2172 (print_dir_vectors, print_dist_vectors,
2173 debug_data_dependence_relation): Declared.
2174 (index_in_loop_nest): New.
2175 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2176 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2179 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2181 * simplify-rtx.c (simplify_relational_operation): Call
2182 simplify_relational_operation_1 even if mode is VOIDmode.
2184 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2186 PR tree-optimization/26804
2187 * tree.h (DECL_CALL_CLOBBERED): New macro.
2188 (tree_decl_common): Add call_clobbered_flag.
2189 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2190 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2191 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2192 (mark_non_addressable): Ditto.
2193 * tree-ssa.c (verify_call_clobbered): New function.
2194 (verify_alias_info): Use it.
2195 * tree-pass.h (pass_reset_cc_flags): New prototype.
2196 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2197 (reset_cc_flags): New function.
2198 * passes.c (init_optimization_passes): Call reset_cc_flags after
2199 initializing referenced_vars.
2201 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2202 Roger Sayle <roger@eyesopen.com>
2205 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2206 to 1.0 for non-real operands. Implement A / A optimization for
2209 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2211 * config/i386/i386.c (size_cost): Correct the comment for
2212 cost of storing fp registers.
2213 (i386_cost): Likewise.
2214 (i486_cost): Likewise.
2215 (pentium_cost): Likewise.
2216 (pentiumpro_cost): Likewise.
2217 (k6_cost): Likewise.
2218 (athlon_cost): Likewise.
2219 (k8_cost): Likewise.
2220 (pentium4_cost): Likewise.
2221 (nocona_cost): Likewise.
2222 (generic64_cost): Likewise.
2223 (generic32_cost): Likewise.
2225 2006-03-24 Denis Chertykov <denisc@overta.ru>
2227 * config/avr/avr-protos.h (extra_constraint): Delete.
2228 (extra_constraint_Q): New declaration.
2229 * config/avr/constraints.md: New file.
2230 * config/avr/avr.md: Include it.
2231 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2232 (TMP_REGNO, ZERO_REGNO): Likewise.
2233 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2234 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2235 (extra_constraint): Delete.
2236 (extra_constraint_Q): Test for memory constraint 'Q'.
2237 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2238 (REG_CLASS_FROM_LETTER): Delete.
2239 (CONST_OK_FOR_LETTER_P): Delete.
2240 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2241 (EXTRA_CONSTRAINT): Delete.
2242 (TMP_REGNO): Delete.
2243 (ZERO_REGNO): Delete.
2245 2006-03-24 Jeff Law <law@redhat.com>
2247 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2248 directly. Call mark_new_vars_to_rename slightly earlier.
2250 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2252 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2254 (gen_compile_unit_die): Use new language types for Objective-C and
2256 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2257 DW_LANG_C_plus_plus.
2260 * config/t-darwin (crt3.o): Work around bug 26840.
2261 * config/darwin-crt3.c: Rewrite.
2262 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2264 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2266 * doc/invoke.texi: Document -femit-class-debug-always
2267 * common.opt: Add -femit-class-debug-always.
2269 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2271 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2272 index and base register.
2273 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2274 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2275 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2276 REGNO_OK_FOR_INDEX_P.
2277 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2279 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2280 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2281 REG_OK_FOR_BASE_P): Definitions removed.
2283 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2286 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2287 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2288 set yet or weren't marked as local yet.
2290 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2292 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2295 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2297 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2298 (rs6000_legitimate_small_data_p): Delete.
2299 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2300 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2301 and make static. Add forward declaration. Update uses.
2302 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2303 of offsettable_memref_p.
2304 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2305 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2307 2006-03-24 Jeff Law <law@redhat.com>
2309 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2310 around bug in immediate-use iterator.
2312 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2315 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2316 or __LITTLE_ENDIAN__.
2318 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2320 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2321 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2322 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2323 * config/sh/sh.opt (mdiv=): Amend description.
2324 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2325 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2326 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2327 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2328 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2329 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2330 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2331 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2332 TARGET_DIVIDE_CALL_FP.
2334 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2336 * haifa-sched.c (choose_ready): Fix type of the local variable.
2337 Move local variables. Add comment.
2338 (check_reg_live): Change signature. Make callable from debugger.
2339 * sched-int.h (check_reg_live): Update signature.
2340 * sched-ebb.c (check_reg_live): Update parameters.
2341 * sched-rgn.c (check_reg_live): Ditto.
2342 (region_head_or_leaf_p): Check pointer before dereferencing.
2343 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2344 before reload on optimization levels below 1.
2346 2006-03-23 Richard Henderson <rth@redhat.com>
2348 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2352 * config/alpha/predicates.md (local_symbolic_operand): Reject
2355 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2358 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2359 expressions which have overflowed constants.
2361 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2363 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2365 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2367 * cfgloopmanip.c (create_loop_notes): Removed.
2368 * final.c (final_scan_insn): Do not handle loop notes.
2369 * jump.c (squeeze_notes): Ditto.
2370 * cfglayout.c (skip_insns_after_block,
2371 duplicate_insn_chain): Ditto.
2372 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2374 * cfgloop.h (create_loop_notes): Declaration removed.
2376 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2378 * varasm.c (output_constant_pool): Restore fnname and fndecl
2380 (assemble_start_function): Adjust call accordingly.
2381 (assemble_end_function): Likewise.
2383 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2386 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2389 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2391 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2394 * system.h (ICE_EXIT_CODE): New macro.
2395 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2396 (diagnostic_action_after_output): Likewise.
2397 * gcc.c (fatal_ice): New function.
2398 (execute): Use it instead of fatal.
2399 (fancy_abort): Likewise.
2400 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2402 2006-03-22 Jeff Law <law@redhat.com>
2404 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2405 iv_analyze_result returning false.
2407 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2409 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2411 2006-03-22 Richard Henderson <rth@redhat.com>
2414 * except.c (duplicate_eh_regions_0): New.
2415 (duplicate_eh_region_1): Duplicate the children of the node as
2416 well as the node itself. Link them up properly.
2417 (duplicate_eh_region_2): Merge into ...
2418 (duplicate_eh_regions): ... here. Take copy_region argument, and
2419 copy only a sub-tree if asked. Simplify copying and fixup.
2420 (eh_region_outer_p): New.
2421 * except.h (duplicate_eh_regions): Update decl.
2422 (eh_region_outer_p): Declare.
2423 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2424 (lower_omp_master): Likewise.
2425 (lower_omp_ordered): Likewise.
2426 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2427 (move_stmt_r): Use it to remap labels. Handle recursion vs
2428 remap_decls_p properly.
2429 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2430 (find_outermost_region_in_block): New.
2431 (new_label_mapper): New.
2432 (move_sese_region_to_fn): Copy eh information to the new function
2434 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2436 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2439 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2441 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2442 into shared libraries.
2444 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2446 * doc/md.texi: Refer to i386/constraints.md instead of
2448 * config/i386/constraints.md: New file, extracted from...
2449 * config/i386/predicates.md: ...here.
2450 * config/i386/i386.md: Include constraints.md.
2452 2006-03-21 Jason Merrill <jason@redhat.com>
2454 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2457 * expr.c (init_block_move_fn): Force default visibility.
2458 (init_block_clear_fn): Likewise.
2459 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2460 * targhooks.c (default_external_stack_protect_fail): Likewise.
2462 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2464 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2465 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2466 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2467 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2468 (loadgp): Use mips_current_loadgp_style.
2469 (loadgp_noshared): New pattern.
2470 (sibcall_internal): Use MIPS_CALL.
2471 (sibcall_value_internal): Likewise.
2472 (sibcall_value_multiple_internal): Likewise.
2473 (call_internal): Likewise.
2474 (call_value_internal): Likewise.
2475 (call_value_multiple_internal): Likewise.
2476 (call_split): Use MIPS_CALL and add an 'S' constraint.
2477 (call_value_split): Likewise.
2478 (call_value_multiple_split): Likewise.
2479 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2480 (-mshared): New option.
2481 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2482 (mips_current_loadgp_style): Declare.
2483 * config/mips/mips.c (mips_classify_symbol): Avoid using
2484 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2485 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2486 TARGET_ABSOLUTE_ABICALLS.
2487 (override_options): Adjust comments. Improve the warning that is
2488 issued when -mabicalls and -G are used together.
2489 (mips_file_start): Remove comment.
2490 (mips_current_loadgp_style): New function.
2491 (mips_gnu_local_gp): New variable.
2492 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2494 (mips_output_function_prologue): Use mips_current_laodgp_style.
2495 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2496 the cprestore instruction.
2497 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2498 live for TARGET_ABSOLUTE_ABICALLS.
2499 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2500 (ASM_SPEC): Pass down -mshared and -mno-shared.
2501 (MIPS_CALL): New macro.
2502 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2504 * doc/invoke.texi (-mabicalls): Update documentation.
2505 (-mshared): Document.
2507 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2509 * config/ia64/unwind-hpux.c: New file.
2510 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2512 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2515 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2517 2006-03-21 Jeff Law <law@redhat.com>
2519 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2520 type conversions of a VR_VARYING source to a wider type.
2522 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2524 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2525 tm_file on Solaris 10 and later.
2526 (sparc64-*-solaris2*): Likewise.
2527 (sparc-*-solaris2*): Likewise.
2528 * config/sol26.h: Rename to config/sol2-6.h.
2529 * config/sol2-10.h: New file.
2531 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2534 * tree-ssa-pre.c (create_component_ref_by_pieces):
2537 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2540 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2541 return it immediately.
2543 2006-03-21 Michael Matz <matz@suse.de>
2545 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2547 (remove_arc, add_arc): Update num_out_arcs member.
2548 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2550 (cache_presence): New function.
2551 (compare_states_for_equiv): New function.
2552 (state_is_differed): Don't take number of outargs, adjust callers.
2553 Use new invariant for speeding up.
2554 (init_equiv_class): Create initial classes based on sorted
2556 (partition_equiv_class): Don't track out_arcs_num.
2557 (evaluate_equiv_classes): Call cache_presence on all states and
2560 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2562 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2563 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2564 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2565 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2567 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2568 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2569 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2570 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2571 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2573 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2574 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2575 (REGNO_REG_CLASS): ARGP is in PREGS.
2576 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2578 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2579 to deal with those addresses.
2580 * addresses.h: New file.
2581 * caller-save.c: Include "addresses.h".
2582 (init_caller_save): Use new base_reg_class function.
2583 * rtl-factoring.c: Include "addresses.h".
2584 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2585 * recog.c: Include "addresses.h".
2586 (preprocess_constraints): Use new base_reg_class function.
2587 * regrename.c: Include "addresses.h".
2588 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2589 functions. Keep track of a new var INDEX_CODE to compute valid
2591 (replace_oldest_value_addr): Likewise.
2592 (replace_oldest_value_mem): Use base_reg_class.
2593 * reload.c: Include "addresses.h".
2594 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2595 (find_reloads): Use new base_reg_class function.
2596 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2597 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2598 all callers and prototype changed.
2599 * reload1.c: Include "addresses.h".
2600 (maybe_fix_stack_asms): Use base_reg_class.
2601 * regclass.c: Include "addresses.h".
2602 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2603 (init_reg_autoinc): Use new base_reg_class function.
2604 (record_reg_classes): Likewise.
2605 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2606 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2607 Use new args to compute necessary class.
2609 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2610 regrename.o, rtl-factoring.o): Update dependencies.
2611 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2612 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2613 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2614 REG_OK_FOR_INDEX_P): Delete documentation.
2616 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2618 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2619 from V7 to V9 for Solaris 7 and above.
2621 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2623 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2624 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2625 argument pointers may not alias any other storage.
2626 * common.opt: Define option -fargument-noalias-anything.
2627 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2628 alias semantics is specified by flag_argument_noalias > 2.
2630 2006-03-20 Jeff Law <law@redhat.com>
2632 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2633 (pass_phi_only_cprop): Declare.
2634 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2636 * tree-ssa-dom.c (degenerate_phi_result): New function.
2637 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2638 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2639 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2640 (eliminate_degenerate_phis): Likewise.
2641 (pass_phi_only_cprop): New pass descriptor.
2642 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2643 support code. Callers updated.
2644 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2645 (store_copy_prop): Likewise.
2646 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2648 2006-03-20 Jason Merrill <jason@redhat.com>
2651 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2652 (push_visibility, pop_visibility): Likewise.
2653 * c-pragma.h: Declare them.
2655 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2657 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2659 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2660 parameter and use get_ebb_head_tail.
2661 (sh_md_init_global): Adjust uses of find_regmode_weight.
2663 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2665 * function.h (struct function) <x_tail_recursion_reentry>:
2666 Rename to x_stack_check_probe_note.
2667 (tail_recursion_reentry): Rename to stack_check_probe_note.
2668 * function.c: Replace tail_recursion_reentry with
2669 stack_check_probe_note everywhere.
2670 (expand_function_start): Only emit a note for
2671 stack_check_probe_note with -fstack-protect.
2672 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2674 * emit-rtl.c (remove_unnecessary_notes): Remove.
2675 (pass_remove_unnecessary_notes): Remove.
2676 * rtl.h (remove_unnecessary_notes): Remove prototype.
2677 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2678 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2679 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2681 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2684 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2685 (valid_in_set): Handle ARRAY_REF.
2686 Change "if min_variant or VH" to asserts.
2687 (create_component_ref_by_pieces): Handle ARRAY_REF.
2688 (create_expression_by_pieces): Likewise.
2689 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2691 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2693 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2694 is operand of switch, not str[0].
2696 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2698 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2699 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2701 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2703 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2704 end of insn_extra_address_constraint declaration.
2706 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2708 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2709 (no-sum-in-toc): Same.
2710 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2712 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2713 NO_FP_IN_TOC for -fPIC instead of mask.
2715 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2716 (BOOT_LDFLAGS): Delete.
2718 * config/rs6000/t-aix52: Same.
2720 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2721 (stmsi[345678]_power): New.
2723 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2725 * config/ia64/ia64.opt: Add empty line to end of file.
2727 2006-03-17 Richard Guenther <rguenther@suse.de>
2730 * builtins.c (get_pointer_alignment): For component style references
2731 adjust alignment to the component type alignment. Make sure
2732 to adjust alignment for component access of constants.
2734 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2736 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2739 2006-03-17 Paul Brook <paul@codesourcery.com>
2741 * doc/install.texi: Docuemnt --with-mode.
2742 * config.gcc: Add --with-mode for arm*-*-*.
2743 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2745 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2747 * sh.c (max_labelno_before_reorg): New variable.
2748 (sh_reorg): Initialize it.
2749 (find_barrier): Check max_labelno_before_reorg before using
2750 label_to_alignment. Take length of explicit alignment insns
2751 into account. When seeing a UNSPECV_CONST_END, return it.
2753 * sh.c (fixup_mova): Set mode of affected label to QImode.
2754 (untangle_mova): New function.
2755 (find_barrier): Use it. Check mode of label before decrementing
2757 (sh_reorg): Likewise.
2758 Set mode of all insns back to VOIDmode.
2760 * sh.c (MOVA_LABELREF): New macro.
2761 (mova_p, fixup_mova, sh_reorg): Use it.
2762 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2763 ADDR_DIFF_VEC matches mova.
2765 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2767 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2768 with ATTRIBUTE_UNUSED.
2770 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2772 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2773 pointer, instead of assuming it is possible to derive the
2774 correct args size from a call insn.
2776 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2778 * rtl.h (CONST_INT_P): Define.
2779 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2780 instead of GET_CODE(x) == CONST_INT.
2781 (vax_rtx_costs): Likewise.
2782 (vax_output_int_move): Likewise.
2783 (vax_output_int_add): Likewise.
2784 (legitimate_constant_address_p): Likewise.
2785 (index_term_p): Likewise.
2786 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2787 * config/vax/vax.md (and<mode>3): Likewise.
2788 (ashrsi3): Likewise.
2790 (movstricthi): Likewise.
2791 (movstrictqi): Likewise.
2792 (rotrsi3): Likewise.
2793 (five unnamed insns): Likewise.
2795 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2797 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2798 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2799 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2800 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2801 Pass to ASM_OUTPUT_DWARF_OFFSET.
2802 * dwarf2out.c (debug_frame_section): New.
2803 (output_call_frame_info): Use debug_frame_section. Pass it to
2804 dw2_asm_output_offset.
2805 (output_die): Pass appropriate section to dw2_asm_output_offset.
2806 (output_compilation_unit_header): Likewise.
2807 (output_pubnames): Likewise.
2808 (output_aranges): Likewise.
2809 (enum dw_val_class): Break dw_val_class_lbl_offset into
2810 dw_val_class_lineptr and dw_val_class_macptr.
2811 (add_AT_lbl_offset): Delete.
2812 (add_AT_lineptr): New.
2813 (add_AT_macptr): New.
2814 (AT_lbl): Expect a lineptr or macptr.
2815 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2816 (attr_checksum): Likewise.
2817 (same_dw_val_p): Likewise.
2818 (size_of_die): Likewise.
2819 (value_format): Likewise.
2820 (output_die): Likewise.
2821 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2823 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2824 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2825 * config/darwin-protos.h (darwin_file_start): New.
2826 (darwin_asm_output_dwarf_offset): New.
2827 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2828 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2830 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2831 if not EH section; simplify.
2832 (darwin_file_start): New.
2833 (darwin_asm_output_dwarf_offset): New.
2834 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2836 (DEBUG_INFO_SECTION): Likewise.
2837 (DEBUG_ABBREV_SECTION): Likewise.
2838 (DEBUG_ARANGES_SECTION): Likewise.
2839 (DEBUG_MACINFO_SECTION): Likewise.
2840 (DEBUG_LINE_SECTION): Likewise.
2841 (DEBUG_LOC_SECTION): Likewise.
2842 (DEBUG_PUBNAMES_SECTION): Likewise.
2843 (DEBUG_STR_SECTION): Likewise.
2844 (DEBUG_RANGES_SECTION): Likewise.
2845 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2846 (ASM_OUTPUT_DWARF_OFFSET): New.
2848 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2850 * config.gcc (tm_defines): Always add to previous value rather
2853 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2855 * config/mips/predicates.md (splittable_const_int_operand): New,
2856 split from move_operand.
2857 (splittable_symbolic_operand): New.
2858 (move_operand): Add commentary. Use splittable_const_int_operand.
2859 Inline mips_atomic_symbolic_constant_p.
2860 * config/mips/mips.md: Add combine splitters for handling moves
2861 of splittable_const_int_operands and splittable_symbolic_operands.
2862 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2863 (mips_split_symbol): Declare.
2864 (mips_move_integer): Declare.
2865 * config/mips/mips.c (mips_split_p): Make global.
2866 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2867 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2868 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2869 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2870 (mips_offset_within_object_p): Handle block symbols.
2871 (mips_atomic_symbolic_constant_p): Delete.
2872 (mips_cannot_force_const_mem): Return false for constants that
2873 mips_legitimize_move can handle.
2874 (mips_use_blocks_for_constant_p): New function.
2875 (mips_split_symbol): Make global.
2876 (mips_move_integer): Likewise. Add a temporary register argument.
2877 (mips_legitimize_const_move): Use splittable_const_int_operand and
2878 splittable_symbolic_operand.
2879 (mips_use_anchors_for_symbol_p): New function.
2880 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2881 (mips_split_p): Declare.
2883 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2885 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2886 (mips*-*-linux*): Likewise.
2888 2006-03-16 Roger Sayle <roger@eyesopen.com>
2889 Daniel Speyer <dspeyer@wam.umd.edu>
2892 * tree-dump.c (dump_real): New function.
2893 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2894 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2895 (tree-dump.o): Add $(REAL_H) to the dependencies.
2897 2006-03-16 Roger Sayle <roger@eyesopen.com>
2900 * real.c (real_from_string): If the mantissa is zero, don't bother
2901 parsing the exponent as the result should always be zero.
2903 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2905 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2907 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2909 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2910 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2911 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2912 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2913 ia64_sched_finish_global): New static functions to implement
2914 hooks from gcc_target.sched.
2915 (spec_check_no, max_uid, pending_data_specs): New static variables.
2916 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2917 ia64_spec_check_src_p): New static functions.
2918 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2919 (TARGET_SCHED_ADJUST_COST): Removed.
2920 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2921 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2922 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2923 TARGET_SCHED_GEN_CHECK,
2924 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2925 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2926 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2927 Fixed to handle speculation checks.
2928 (rtx_needs_barrier): Fixed to handle speculative loads and
2930 (ia64_variable_issue): Added code to count speculative loads and their
2932 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2934 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2936 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2938 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2939 (ia64_reorg): Reset stops_p to NULL after it is freed.
2940 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2941 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2942 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2944 (data_speculative, control_speculative, check_load): New attributes.
2945 (mov<mode>_advanced, mov<mode>_speculative,
2946 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2947 zero_extend<mode>di2_speculative,
2948 zero_extend<mode>di2_speculative_advanced): New patterns for
2949 data and control speculative loads.
2950 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2952 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2953 New pattern for data and control speculation checks.
2954 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2955 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2956 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2957 Auxiliary definitions for the patterns.
2958 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2959 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2961 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2963 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2964 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2965 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2966 New resource constraints.
2967 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2969 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2970 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2971 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2972 msched-in-control-spec, msched-ldc, msched-control-ldc,
2973 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2974 msched-prefer-non-control-spec-insns,
2975 msched-count-spec-in-critical-path): New flags to tune speculative
2977 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2978 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2979 msched-in-control-spec, msched-ldc, msched-control-ldc,
2980 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2981 msched-prefer-non-control-spec-insns,
2982 msched-count-spec-in-critical-path): Document new flags.
2984 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2986 * target.h (struct spec_info_def): New opaque declaration.
2987 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2988 speculate_insn, needs_block_p, gen_check,
2989 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2990 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2991 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2992 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2993 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2994 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2996 (TARGET_SCHED): Use new macros.
2997 * rtl.h (copy_DEPS_LIST_list): New prototype.
2998 * sched-int.h (struct sched_info): Change signature of new_ready field,
2999 adjust all initializations. New fields: add_remove_insn,
3000 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3001 region_head_or_leaf_p.
3002 (struct spec_info_def): New structure declaration.
3003 (spec_info_t): New typedef.
3004 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3005 recovery_block, orig_pat.
3006 (glat_start, glat_end): New variables declaraions.
3007 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3009 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3010 DETACH_LIFE_INFO, USE_GLAT.
3011 (enum SPEC_SCHED_FLAGS): New enumeration.
3012 (NOTE_NOTE_BB_P): New macro.
3013 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3014 attach_life_info, debug_spec_status, check_reg_live): New functions.
3015 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3016 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3018 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3019 * ddg.c (get_block_head_tail): Adjust all uses.
3020 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3021 (sms_sched_info): Initialize new fields.
3022 (contributes_to_priority): Removed.
3023 * haifa-sched.c (params.h): New include.
3024 (get_block_head_tail): Adjust all uses.
3025 (ISSUE_POINTS): New macro.
3026 (glat_start, glat_end): New global variables.
3027 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3028 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3029 old_last_basic_block, before_recovery, current_sched_info_var,
3030 rgn_n_insns, luid): New static variables.
3031 (insn_cost1): New function. Move logic from insn_cost to here.
3032 (find_insn_reg_weight1): New function. Move logic from
3033 find_insn_reg_weight to here.
3034 (reemit_notes, move_insn, max_issue): Change signature.
3035 (move_insn1): Removed.
3036 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3037 extend_bb): New static functions to support extension of scheduler's
3039 (generate_recovery_code, process_insn_depend_be_in_spec,
3040 begin_speculative_block, add_to_speculative_block,
3041 init_before_recovery, create_recovery_block, create_check_block_twin,
3042 fix_recovery_deps): New static functions to support
3043 generation of recovery code.
3044 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3045 restore_bb_notes, move_block_after_check, move_succs): New static
3046 functions to support ebb scheduling.
3047 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3048 functions to support handling of register live information.
3049 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3050 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3051 add_jump_dependencies): New static functions.
3052 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3053 consistancy checking.
3054 (debug_spec_status): New function to call from debugger.
3055 (priority): Added code to handle speculation checks.
3056 (rank_for_schedule): Added code to distinguish speculative instructions.
3057 (schedule_insn): Added code to handle speculation checks.
3058 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3059 Fixed to handle ebbs.
3060 (move_insn): Added code to handle ebb scheduling.
3061 (max_issue): Added code to use ISSUE_POINTS of instructions.
3062 (choose_ready): Added code to choose between speculative and
3063 non-speculative instructions.
3064 (schedule_block): Added code to handle ebb scheduling and scheduling of
3065 speculative instructions.
3066 (sched_init): Initialize new variables.
3067 (sched_finish): Free new variables. Print statistics.
3068 (try_ready): Added code to handle speculative instructions.
3069 * lists.c (copy_DEPS_LIST_list): New function.
3070 * sched-deps.c (extend_dependency_caches): New function. Move logic
3071 from create_dependency_caches to here.
3072 (get_dep_weak, ds_merge): Make global.
3073 * genattr.c (main): Code to output prototype for
3074 dfa_clear_single_insn_cache.
3075 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3076 (output_dfa_clean_insn_cache_func): Code to output
3077 dfa_clear_single_insn_cache function.
3078 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3080 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3082 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3083 New static variables.
3084 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3085 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3087 (ebb_sched_info): Initialize new fields.
3088 (get_block_head_tail): Adjust all uses.
3089 (compute_jump_reg_dependencies): Fixed to use glat_start.
3090 (schedule_ebb): Code to remove unreachable last block.
3091 (schedule_ebbs): Added code to update register live information.
3092 * sched-rgn.c (region_sched_info): Initialize new fields.
3093 (get_block_head_tail): Adjust all uses.
3094 (last_was_jump): Removed. Adjust users.
3095 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3096 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3097 Implement new hooks.
3098 (check_dead_notes1): New static function.
3099 (struct region): New fields: dont_calc_deps, has_real_ebb.
3100 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3101 (BB_TO_BLOCK): Fixed to handle EBBs.
3102 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3103 (ebb_head): New static variable.
3104 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3105 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3107 (compute_dom_prob_ps): New assertion.
3108 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3109 global_live_at_start.
3110 (init_ready_list): New assertions.
3111 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3112 (new_ready): Add support for BEGIN_CONTROL speculation.
3113 (schedule_insns): Fixed code that updates register live information
3115 (schedule_region): Fixed to handle EBBs.
3116 (init_regions): Use extend_regions and check_dead_notes1.
3117 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3118 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3119 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3120 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3121 TARGET_SCHED_GEN_CHECK,
3122 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3123 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3124 * doc/invoke.texi (max-sched-insn-conflict-delay,
3125 sched-spec-prob-cutoff): Document.
3127 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3129 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3130 inter_tick, queue_index.
3131 (struct sched_info): Change signature of init_ready_list field.
3132 Adjust all initializations.
3133 (RESOLVED_DEPS): New access macro.
3134 (ready_add): Remove prototype.
3135 (try_ready): Add prototype.
3136 * sched-rgn.c (init_ready_list): Use try_ready.
3137 (schedule_region): Initialize
3138 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3139 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3140 (init_ready_list): Use try_ready.
3141 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3142 * lists.c (remove_list_elem): Remove `static'.
3143 (remove_free_INSN_LIST_elem): New function.
3144 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3145 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3146 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3148 (readyp): New variable.
3149 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3150 change_queue_index, resolve_dep): New static functions.
3151 (try_ready): New function. Adjust callers in sched-rgn.c and
3152 sched-ebb.c to use it instead of ready_add.
3153 (clock_var): Move at the begining of file.
3154 (rank_for_schedule): Fix typo.
3155 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3156 (ready_lastpos): Enforce assertion.
3157 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3159 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3160 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3161 (queue_to_ready): Use free_INSN_LIST_list.
3162 (early_queue_to_ready): Fix typo.
3163 (schedule_block): Init readyp. Move init_ready_list call after the
3164 initialization of clock_var. Fix error in rejecting insn by
3165 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3166 that previously corrected INSN_TICKs. Add code for handling
3168 (set_priorities): Fix typo.
3169 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3170 Clarify comment and code that keeps current_sched_info->next_tail
3173 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3175 * sched-rgn.c (extend_rgns): New static function.
3176 (find_rgns): Use it.
3177 (gather_region_statistics, print_region_statistics): New static
3179 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3180 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3182 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3183 Andrey Belevantsev <abel@ispras.ru>
3185 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3186 * lists.c (unused_deps_list): New variable.
3187 (free_list): Add assertions to verify the proper distinguishing
3188 between INSN_LISTs and DEPS_LISTs.
3189 (find_list_elem, remove_list_elem, remove_list_node): New static
3191 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3192 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3193 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3194 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3196 (free_INSN_LIST_node): Likewise.
3197 * modulo-sched.c (current_sched_info): Initialize flags field.
3198 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3199 * rtl.def (DEPS_LIST): Define.
3200 * rtl.h: Declare new functions from lists.c.
3201 * sched-deps.c (spec_dependency_cache): New static variable.
3202 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3203 (add_dependence): Change return type to void. Move the logic to ...
3204 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3205 (delete_all_dependences): Add comment about forward_dependency_cache.
3206 Handle spec_dependency_cache. Handle DEPS_LISTs.
3207 (fixup_sched_groups): Clarify the change of priority of output
3208 and anti dependencies.
3209 (sched_analyze_2): Adjust add_dependence calls to create data
3210 speculative dependence.
3211 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3212 Adjust all callers. Handle DEPS_LISTS.
3213 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3214 presence of speculation.
3215 (init_dependency_caches, free_dependency_caches):
3216 Handle spec_dependency_cache.
3217 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3218 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3219 New static functions.
3220 (add_or_update_back_dep, add_or_update_back_forw_dep,
3221 add_back_forw_dep, delete_back_forw_dep): New functions.
3222 * sched-int.h (ds_t, dw_t): New typedefs.
3223 (struct sched_info): Add new field flags.
3224 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3225 Prototype new sched-deps.c functions.
3226 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3227 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3228 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3229 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3230 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3231 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3233 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3235 * sched-rgn.c (current_sched_info): Initialize flags field.
3236 (schedule_insns): Initialize current_sched_info before the sched_init
3238 * sched-ebb.c (current_sched_info): Initialize flags field.
3239 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3240 Call add_or_update_back_dep instead of add_dependence.
3241 Create control speculative dependencies.
3242 (schedule_insns): Initialize current_sched_info before the sched_init
3245 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3247 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3249 (sh_fallback_frame_state): Likewise.
3251 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3253 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3254 Do switch on default_use_cxa_atexit.
3255 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3256 * config/darwin-crt3.o: New.
3257 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3258 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3259 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3261 * config/rs6000/t-darwin: Move crt2.o building to here.
3262 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3263 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3266 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3268 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3269 from '! xxx' to '!xxx' for coding-style conformance.
3270 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3271 (EXTRA_CONSTRAINT): Likewise.
3272 * config/vax/vax.md (four unnamed insns): Likewise.
3274 2006-03-15 Paul Brook <paul@codesourcery.com>
3276 * config/arm/arm.c (minipool_pad): New.
3277 (add_minipool_forward_ref): Include pool alignment padding in address
3279 (push_minipool_fix): Set minipool_pad.
3280 (minipool_pad): Ditto.
3282 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3284 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3285 instead of GET_CODE() == MEM and REG_P() instead of
3287 (print_operand_address): Likewise.
3288 (vax_address_cost): Likewise.
3289 (vax_rtx_costs): Likewise.
3290 (vax_notice_update_cc): Likewise.
3291 (vax_output_int_add): Likewise.
3292 (INDEX_REGISTER_P): Likewise.
3293 (BASE_REGISTER_P): Likewise.
3294 (nonindexed_address_p): Likewise.
3295 (vax_mode_dependent_address_p): Likewise.
3296 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3297 (PRINT_OPERAND): Likewise.
3298 * config/vax/vax.md (ashlsi3): Likewise.
3299 (ashlsi3): Likewise.
3300 (some more unnamed insns): Likewise.
3302 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3304 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3305 iterator-style macro.
3306 (mark_control_dependent_edges_necessary): Update the use of
3307 EXECUTE_IF_CONTROL_DEPENDENT.
3309 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3311 * config/sh/predicates.md (cache_address_operand): Special.
3312 (ua_address_operand): Likewise.
3314 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3316 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3318 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3320 2006-03-15 Andreas Schwab <schwab@suse.de>
3322 * gensupport.c (identify_predicable_attribute): Don't free p_false
3323 when it is still in use.
3325 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3327 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3328 the default setting here.
3330 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3332 * tree-pass.h (pass_cfg): Remove.
3333 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3334 * passes.c (pass_cfg): Don't run it.
3336 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3338 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3339 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3341 (stack_regs_mentioned): Update the uses of
3342 stack_regs_mentioned_data. Don't access the array beyond its
3344 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3345 Don't include gt-reg-stack.h.
3347 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3348 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3350 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3353 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3356 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3358 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3360 2006-03-14 Richard Guenther <rguenther@suse.de>
3362 PR tree-optimization/26672
3363 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3366 2006-03-14 Richard Guenther <rguenther@suse.de>
3368 PR tree-optimization/26667
3369 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3370 node for the callees. Always allow inlining if it will shrink
3373 2006-03-14 Richard Guenther <rguenther@suse.de>
3376 * builtins.c (get_pointer_alignment): Prefer alignment
3377 information from decls over that from types.
3379 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3382 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3384 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3386 * config/rs6000/rs6000.opt (mdlmzb): New option.
3387 (msched-prolog, msched-epilog): Use Var not Mask.
3388 * doc/invoke.texi (-mdlmzb): Document.
3389 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3391 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3392 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3394 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3396 PR rtl-optimization/25739
3397 * bt-load.c (augment_live_range): Free tos pointer.
3399 * gensupport.c (identify_predicable_attribute): Free
3401 * gcov.c (create_file_names): Free name pointer.
3403 2006-03-13 Roger Sayle <roger@eyesopen.com>
3406 * stmt.c (emit_case_nodes): Handle the case where the index is a
3407 CONST_INT, where the comparison mode is specified by the index type.
3409 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3411 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3414 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3416 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3417 (*branch_fp_inverted): Likewise.
3419 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3422 * omp-low.c (expand_omp_for_generic): Mark istart0
3423 and iend0 as addressable.
3425 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3427 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3429 2006-03-13 Jeff Law <law@redhat.com>
3431 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3432 virtual operands are interesting.
3433 (vrp_visit_stmt): Corresponding changes.
3435 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3437 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3439 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3440 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3441 * config/bfin/crti.S: Use it instead of __PIC__.
3442 * config/bfin/crtn.S: Likewise.
3444 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3445 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3447 Lose 'G' modifier for call operand.
3448 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3449 recognize 'G' modifier.
3451 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3454 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3455 * stmt.c (expand_case): Likewise.
3457 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3459 PR rtl-optimization/26254
3460 * loop-invariant.c (seq_insns_valid_p): New function.
3461 (move_invariant_reg): Only emit new code if it is valid.
3463 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3465 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3467 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3468 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3469 (commit_one_edge_insertion): Do not look for loop notes.
3471 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3473 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3474 flag_test_coverage out of loop.
3476 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3478 * final.c (shorten_branches): Remove outdated comment, and turn
3479 the if branch that guards it to continue.
3481 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3483 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3484 * cfgloop.h (struct loop): Remove unused fields.
3486 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3488 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3489 (-dL, -fdump-rtl-loop2): Update the dump file names
3491 * doc/invoke.texi: Update dump file names.
3493 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3495 * predict.c (estimate_probability): Remove.
3496 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3497 * basic-block.h (estimate_probability): Remove prototype.
3498 * passes.c (finish_optimization_passes): Dump branch prediction or
3499 profiling heuristics to the .profile tree dump.
3500 (init_optimization_passes): Unqueue pass_branch_prob.
3502 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3504 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3506 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3507 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3509 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3511 * function.h (frame_offset_overflow): Declare.
3512 * function.c (frame_offset_overflow): New function.
3513 (assign_stack_local_1): Call it to detect that the offset overflows.
3514 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3516 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3518 * config/sh/sh.c: Include alloc-pool.h.
3519 (label_ref_list_pool): New alloc pool.
3520 (label_ref_list_t): New type for lists of labels.
3521 (struct pool_node): Make wend a label_ref_list_t.
3522 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3524 (dump_table): Likewise.
3525 (sh_reorg): Set up the alloc pool before using add_constant and
3526 dump_table, and destroy it when finishing.
3528 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3530 * config/mips/mips.c: Remove redundant comment.
3532 2006-03-10 Jason Merrill <jason@redhat.com>
3535 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3536 the target was declared 'register'.
3538 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3540 * genpreds.c (write_insn_constraint_len): Change definition of
3541 insn_constraint_len to return size_t to match the declaration.
3543 2006-03-10 DJ Delorie <dj@redhat.com>
3545 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3547 (m32c_expand_insv): Fix test for an AND mask.
3549 2006-03-10 Richard Guenther <rguenther@suse.de>
3552 * builtins.c (get_pointer_alignment): Handle component
3553 references for field alignment.
3555 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3557 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3558 when building with libgloss.
3559 (sh*elf): Implement --without-fp option.
3560 (sh64-superh-linux*): Don't multilib.
3562 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3564 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3566 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3568 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3569 Set it when one of the replacement functions returned true.
3570 Return TODO_cleanup_cfg if cfgchanged is true.
3571 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3573 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3575 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3576 instead of gen_lowpart.
3578 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3580 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3582 (mips_output_order_conditional_branch): Declare.
3583 * config/mips/mips.h (MIPS_BRANCH): New macro.
3584 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3585 for the comparison. Use gen_condjump.
3586 (mips_output_conditional_branch): Rework interface to take the
3587 asm templates for a direct branch and the inverse of a direct branch.
3588 (mips_output_order_conditional_branch): New function.
3589 (mips_builtin_branch_and_move): New function.
3590 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3591 branch condition. Use gen_single_cc as the condition for
3592 __builtin_mips_upper_* or __builtin_mips_lower_*.
3593 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3594 Use VOIDmode for the branch condition.
3595 * config/mips/predicates.md (order_operator): New predicate.
3596 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3597 (branch_fp): Rename to...
3598 (*branch_fp): ...this. Remove mode from comparison operator.
3599 Use new mips_output_conditional_branch interface.
3600 (branch_fp_inverted): Rename to...
3601 (*branch_fp_inverted): ...this and update as for *branch_fp.
3602 (*branch_zero<mode>): Rename to...
3603 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3604 Use mips_output_order_conditional_branch. Only accept ordered
3606 (*branch_zero<mode>_inverted): Rename to...
3607 (*branch_order<mode>_inverted): ...this and update as for
3608 *branch_order<mode>.
3609 (*branch_equality<mode>): Accept zero as the second operand to
3610 the equality operator. Use the new mips_output_conditional_branch
3612 (*branch_equality<mode>_inverted): Likewise.
3613 (condjump): New expander.
3614 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3616 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3617 (bc1any2t, bc1any2f): Likewise.
3618 (single_cc): New expander.
3619 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3621 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3623 * doc/md.texi: Update documentation of MIPS constraints.
3624 * config/mips/constraints.md: New file.
3625 * config/mips/mips.md: Include it.
3626 * config/mips/mips.c (mips_char_to_class): Delete.
3627 (override_options): Don't initialize mips_char_to_class.
3628 * config/mips/mips.h (mips_char_to_class): Delete.
3629 (REG_CLASS_FROM_LETTER): Delete.
3630 (CONST_OK_FOR_LETTER_P): Delete.
3631 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3632 (EXTRA_CONSTRAINT_Y): Delete.
3633 (EXTRA_CONSTRAINT_STR): Delete.
3634 (CONSTRAINT_LEN): Delete.
3635 (EXTRA_MEMORY_CONSTRAINT): Delete.
3637 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3639 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3640 original fn's eh regions.
3642 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3644 * fold-const.c (build_range_check): Make sure to use a valid type to
3645 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3648 (range_predecessor): New static function.
3649 (range_successor): Likewise.
3650 (merge_ranges): Use them to compute predecessors and successors of
3653 2006-03-09 Roger Sayle <roger@eyesopen.com>
3656 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3657 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3659 2006-03-08 DJ Delorie <dj@redhat.com>
3661 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3662 (addpsi3): Expand to include memory operands. Remove
3663 reload-specific splits.
3664 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3665 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3666 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3667 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3668 (shift1_qi, shift1_hi, insv): New.
3669 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3670 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3671 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3673 * config/m32c/m32c-protos.h: Update as needed.
3674 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3675 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3676 Fail for unrecognized R* constraints.
3677 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3678 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3679 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3681 (m32c_init_libfuncs): New.
3682 (m32c_legitimate_address_p): Add debug wrapper.
3683 (m32c_rtx_costs): New.
3684 (m32c_address_cost): New.
3685 (conversions): Add 'B' prefix.
3686 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3687 operands, or word regnames for QI operands. 'B' prints bit
3689 (m32c_expand_setmemhi): New.
3690 (m32c_expand_movmemhi): New.
3691 (m32c_expand_movstr): New.
3692 (m32c_expand_cmpstr): New.
3693 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3694 (m32c_expand_neg_mulpsi3): Handle non-ints.
3695 (m32c_cmp_flg_0): New.
3696 (m32c_expand_movcc): New.
3697 (m32c_expand_insv): New.
3698 (m32c_scc_pattern): New.
3699 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3700 a0/a1 out of SIregs.
3701 (STORE_FLAG_VALUE): New.
3702 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3705 * config/m32c/mov.md: Make constraints more liberal.
3706 (zero_extendqihi2): Optimize r0/r1 case.
3707 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3708 * config/m32c/predicates.md (m32c_any_operand): New.
3709 (m32c_nonimmediate_operand): New.
3710 (m32c_hl_operand): New.
3711 (m32c_r3_operand): New.
3714 (memsym_operand): New.
3715 (memimmed_operand): New.
3716 (a_qi_operand): New.
3717 (m32c_eqne_operator): New.
3718 (m32c_1bit8_operand): New.
3719 (m32c_1bit16_operand): New.
3720 (m32c_1mask8_operand): New.
3721 (m32c_1mask16_operand): New.
3722 * config/m32c/blkmov.md: New file.
3723 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3725 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3727 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3728 unsigned to fix signed/unsigned comparison issue in
3729 DWARF2_FRAME_REG_OUT.
3730 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3731 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3733 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3734 of ptr into the ENABLE_CHECKING section.
3736 2006-03-08 Jeff Law <law@redhat.com>
3738 * tree-vrp.c (infer_value_range): Only count pointer uses
3739 and dereferences if -fdelete-null-pointer-checks is enabled.
3741 * tree-vrp.c (find_assert_locations): Infer value ranges for
3742 single use pointers, but do not create ASSERT_EXPRs for them.
3743 When a non-null range is inferred for a pointer, backwards
3744 propagate that range to other equivalent pointers through the
3747 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3750 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3751 language hook targets.
3752 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3753 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3754 if language hook targets were missing.
3756 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3758 * tree-ssa-opfinalize.h: Removed.
3759 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3761 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3762 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3763 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3764 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3765 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3766 finalize_ssa_v_must_def_ops): New.
3768 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3770 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3773 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3775 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3777 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3778 addresses with offsets; reorganize.
3780 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3781 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3782 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3784 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3787 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3789 2006-03-08 Ben Elliston <bje@au.ibm.com>
3791 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3793 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3796 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3799 2006-03-07 Richard Guenther <rguenther@suse.de>
3801 PR tree-optimization/26587
3802 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3804 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3806 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3808 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3810 * hooks.c (hook_bool_mode_rtx_true): New function.
3811 * hooks.h (hook_bool_mode_rtx_true): Declare.
3812 * toplev.c (compile_file): Call output_shared_constant_pool.
3813 * varasm.c (shared_constant_pool): New variable.
3814 (assemble_start_function, assemble_end_function): Remove arguments
3815 from call to output_constant_pool.
3816 (create_constant_pool): New function, split out from...
3817 (init_varasm_status): ...here.
3818 (force_const_mem): Choose between the shared and per-function constant
3819 pools. Set current_function_uses_const_pool when reusing old entries
3820 as well as when creating new ones.
3821 (mark_constant): Ignore data argument.
3822 (mark_constants): Remove pool argument.
3823 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3824 to decide whether the function uses a constant pool.
3825 (output_constant_pool_contents): New function, split out from...
3826 (output_constant_pool): ...here.
3827 (output_shared_constant_pool): New function.
3828 (init_varasm_once): Initialize shared_constant_pool.
3829 * output.h (output_constant_pool): Delete.
3830 (output_shared_constant_pool): Declare.
3831 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3832 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3834 2006-03-06 Nick Clifton <nickc@redhat.com>
3836 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3837 flag_strength_reduce.
3839 2006-03-06 Ben Elliston <bje@au.ibm.com>
3841 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3842 x86_64-*-linux* configurations.
3844 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3845 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3847 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3849 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3851 * basic-block.h: Remove the extern for
3852 rediscover_loops_after_threading.
3854 * cfgloop.c (cancel_loop): Make it static.
3855 * cfgloop.h: Remove the prototype for cancel_loop.
3857 * flow.c (recompute_reg_usage): Make it static.
3858 * rtl.h: Remove the prototype for recompute_reg_usage.
3860 * function.c (use_return_register): Make it static.
3861 * function.h: Remove the prototype.
3863 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3865 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3867 * recog.h: Remove the prototype for
3868 validate_change_maybe_volatile.
3870 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3872 * rtlanal.c (replace_reg): Remove.
3873 * rtl.h: Remove the prototype for replace_reg.
3875 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3877 * regclass.c (reg_scan_update): Remove.
3878 (reg_scan_mark_refs): Remove the last argument.
3879 * rtl.h: Remove the prototype for reg_scan_update.
3881 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3883 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3884 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3885 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3886 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3887 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3888 loop-invariant.c, omp-low.c, opts.c, passes.c,
3889 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3890 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3891 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3892 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3893 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3894 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3896 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3898 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3899 * dwarf2out.h: Remove the prototype for
3900 dwarf2out_add_library_unit_info.
3902 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3904 * tree.c (add_var_to_bind_expr): Remove.
3905 * tree.h: Remove the prototype for add_var_to_bind_expr.
3907 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3909 * regclass.c (n_non_fixed_regs): Remove.
3910 (init_reg_sets_1, globalize_reg): Remove all uses of
3912 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3914 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3916 * rtlanal.c (insns_safe_to_move_p): Remove.
3917 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3919 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3921 * expmed.c (expand_mult_add): Remove.
3922 * expr.h: Remove the prototype for expand_mult_add.
3924 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3926 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3927 and REG_SAVED_VAL_EXP constants.
3928 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3929 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3930 Handle regs stored by value.
3931 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3932 (execute_cfa_program): Handle DW_CFA_val_offset,
3933 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3934 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3935 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3936 (uw_install_context_1): Handle target regs stored by value.
3938 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3940 * tree-sra.c (tree_sra): Return todoflags;
3941 (generate_one_element): Set TODO_update_smt_usage if needed.
3942 (pass_sra): Remove TODO_update_smt_usage.
3943 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3945 (tree_ssa_forward_propagate_single_use_vars): Return
3946 TODO_update_smt_usage if we need to update SMT usage.
3947 (pass_forwprop): Remove TODO_update_smt_usage.
3949 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3951 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3952 (correct_use_link): Remove reference to get_stmt_operands.
3953 (update_stmt_operands): Likewise.
3954 (get_modify_expr_operands): New function factored out of
3955 parse_ssa_operands and get_expr_operands.
3956 Try to create V_MUST_DEFs for LHS by default.
3957 (get_expr_operands) <case MODIFY_EXPR>: Call
3958 get_modify_expr_operands.
3959 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3960 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3961 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3962 get_modify_expr_operands.
3964 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3966 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3967 * tree-flow.h: Remove the prototype for
3968 referenced_var_lookup_if_exists.
3970 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3972 PR rtl-optimization/26345
3974 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3976 2006-03-03 Roger Sayle <roger@eyesopen.com>
3978 PR tree-optimization/26524
3979 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3980 fold_convert to create a constant of the appropriate type.
3982 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3984 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3985 SYMBOL_REF_IN_BLOCK_P.
3986 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3987 of SYMBOL_FLAG_IN_BLOCK.
3988 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3989 instead of SYMBOL_REF_IN_BLOCK_P.
3990 * explow.c (use_anchored_address): Likewise.
3991 * rtl.c (rtx_size): Likewise.
3992 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3993 instead of SYMBOL_FLAG_IN_BLOCK.
3994 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3995 SYMBOL_REF_IN_BLOCK_P.
3996 (assemble_variable): Likewise.
3997 (output_constant_def_contents): Likewise.
3998 (output_constant_pool): Likewise.
3999 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4000 instead of SYMBOL_FLAG_IN_BLOCK.
4001 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4002 SYMBOL_REF_IN_BLOCK_P.
4003 (SYMBOL_REF_BLOCK): Likewise.
4004 (SYMBOL_REF_OFFSET): Likewise.
4005 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4006 SYMBOL_REF_IN_BLOCK_P.
4007 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4008 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4009 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4010 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4012 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4014 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4016 2006-03-02 Roger Sayle <roger@eyesopen.com>
4018 * simplify-rtx.c (simplify_unary_operation): When simplifying
4019 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4020 that we perform the right shift in the appropriate mode, and
4021 then extend or truncate the result to requested mode.
4023 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4025 * gengtype.c (main): Handle double_int type.
4026 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4027 * double-int.c: New file.
4028 * double-int.h: New file.
4029 * system.h: Include doubleint.h.
4030 * Makefile.in (SYSTEM_H): Include double-int.h.
4031 (double-int.o): Add.
4033 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4036 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4039 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4041 * tree-vrp.c (remove_range_assertions): Do not update statements
4044 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4046 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4048 * gcse.c (rest_of_handle_gcse): Ditto.
4049 * except.c (gate_handle_eh): Ditto.
4050 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4051 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4053 2006-03-02 Eric Christopher <echristo@apple.com>
4055 * config/i386/i386.c (machopic_output_stub): Add indirection to
4058 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4062 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4064 Sun Niagara specific optimizations.
4065 * config.gcc: Recognize niagara as target.
4066 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4067 (TARGET_CPU_niagara): Define.
4068 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4069 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4070 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4071 (ASM_CPU_SPEC): Likewise.
4072 (PROCESSOR_NIAGARA): New enum entry.
4073 (REGISTER_MOVE_COST): Handle Niagara.
4074 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4075 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4076 (sparc_override_options): Recognize "niagara", set appropriate
4077 default MASK_* values for it, and align functions to 32-bytes
4078 by default just like ULTRASPARC/ULTRASPARC3.
4079 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4080 (sparc64_initialize_trampoline): Likewise.
4081 (sparc_use_sched_lookahead): Use zero for niagara.
4082 (sparc_issue_rate): Use one for niagara.
4083 * config/sparc/niagara.md: New file.
4084 * config/sparc/sparc.md: Include it.
4085 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4086 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4087 when default cpu is niagara.
4088 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4089 (ASM_CPU_SPEC): Likewise.
4090 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4091 when default cpu is niagara.
4092 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4093 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4094 just like v9/ultrasparc/ultrasparc3.
4095 * doc/invoke.texi: Add documentation for "niagara" and improve
4096 existing documentation for ultrasparc variants.
4098 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4100 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4102 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4104 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4105 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4106 and say that only one is needed.
4107 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4108 * target.h (have_switchable_bss_sections): New hook.
4109 * explow.c (use_anchored_address): Check that the symbol is in a block.
4110 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4111 (bss_noswitch_section): New variables.
4112 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4113 (get_noswitch_section): New function.
4114 (get_block_for_section): Allow SECT to be null.
4115 (unlikely_text_section_p): Use SECTION_STYLE.
4116 (bss_initializer_p): New function.
4117 (get_variable_section): Move earlier in file. Take a new argument,
4118 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4119 Return one of the new *_sections in such cases.
4120 (get_block_for_decl): New function, extracting some logic from
4121 use_blocks_for_decl_p.
4122 (change_symbol_section): Remove in favor of...
4123 (change_symbol_block): ...this new function.
4124 (use_blocks_for_decl_p): Remove checks now performed by
4126 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4127 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4128 (emit_local, emit_bss, emit_common): ...these new functions.
4129 Return true if the alignment was honored.
4130 (emit_tls_common): New function.
4131 (asm_emit_uninitialised): Delete.
4132 (assemble_variable_noswitch): New function, split out from...
4133 (assemble_variable): ...here. Don't make decisions about common
4134 variables here. Globalize all public decls that go into non-common
4135 sections. Check whether SYMBOL_REF_BLOCK is null.
4136 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4137 (output_constant_pool): Likewise.
4138 (init_varasm_once): Initialize the new section variables.
4139 (have_global_bss_p): New function.
4140 (categorize_decl_for_section): Use bss_initializer_p.
4141 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4142 (place_block_symbol): Assert that the symbol must be in a block.
4143 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4144 (TARGET_INITIALIZER): Include it.
4145 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4146 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4147 (SECTION_MACH_DEP): Bump by two.
4148 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4149 (unnamed_section): Mention SECTION_UNNAMED in comment.
4150 (named_section): Likewise SECTION_NAMED.
4151 (noswitch_section_callback): New type.
4152 (noswitch_section): New structure.
4153 (section): Add a noswitch_section alternative.
4154 (SECTION_STYLE): New macro.
4155 (tls_comm_section, comm_section, lcomm_section): Declare.
4156 (bss_noswitch_section, have_global_bss_p): Declare.
4157 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4158 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4160 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4161 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4164 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4166 * gcc/tree-vrp.c (execute_vrp): Return value.
4167 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4168 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4169 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4170 (tree_lower_complex_O0): Ditto.
4171 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4172 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4173 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4174 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4175 (execute_tail_calls): Ditto.
4176 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4177 * gcc/tree.h (init_function_for_compilation): Ditto.
4178 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4179 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4180 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4181 * gcc/final.c (compute_alignments): Ditto.
4182 (rest_of_handle_final): Ditto.
4183 (rest_of_handle_shorten_branches): Ditto.
4184 (rest_of_clean_state): Ditto.
4185 * gcc/omp-low.c (execute_expand_omp): Ditto.
4186 (execute_lower_omp): Ditto.
4187 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4188 * gcc/ipa-reference.c (static_execute): Ditto.
4189 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4190 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4191 (rest_of_handle_machine_reorg): Ditto.
4192 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4193 * gcc/flow.c (recompute_reg_usage): Ditto.
4194 (rest_of_handle_remove_death_notes): Ditto.
4195 (rest_of_handle_life): Ditto.
4196 (rest_of_handle_flow2): Ditto.
4197 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4198 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4199 (do_ssa_store_ccp): Ditto.
4200 (execute_fold_all_builtins): Ditto.
4201 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4202 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4203 * gcc/ipa-pure-const.c (static_execute): Ditto.
4204 * gcc/cse.c (rest_of_handle_cse): Ditto.
4205 (rest_of_handle_cse2): Ditto.
4206 * gcc/web.c (rest_of_handle_web): Ditto.
4207 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4208 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4209 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4210 * gcc/tree-nrv.c (tree_nrv): Ditto.
4211 (execute_return_slot_opt): Ditto.
4212 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4213 (create_structure_vars): Ditto.
4214 * gcc/loop-init.c (rtl_loop_init): Ditto.
4215 (rtl_loop_done): Ditto.
4216 (rtl_move_loop_invariants): Ditto.
4217 (rtl_unswitch): Ditto.
4218 (rtl_unroll_and_peel_loops): Ditto.
4219 (rtl_doloop): Ditto.
4220 * gcc/gimple-low.c (lower_function_body): Ditto.
4221 (mark_used_blocks): Ditto.
4222 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4223 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4224 (cgraph_early_inlining): Ditto.
4225 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4226 * gcc/jump.c (cleanup_barriers): Ditto.
4227 (purge_line_number_notes): Ditto.
4228 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4229 (rest_of_handle_if_after_reload): Ditto.
4230 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4231 (tree_ssa_loop_im): Ditto.
4232 (tree_ssa_loop_unswitch): Ditto.
4233 (tree_vectorize): Ditto.
4234 (tree_linear_transform): Ditto.
4235 (tree_ssa_loop_ivcanon): Ditto.
4236 (tree_ssa_empty_loop): Ditto.
4237 (tree_ssa_loop_bounds): Ditto.
4238 (tree_complete_unroll): Ditto.
4239 (tree_ssa_loop_prefetch): Ditto.
4240 (tree_ssa_loop_ivopts): Ditto.
4241 (tree_ssa_loop_done): Ditto.
4242 * gcc/predict.c (tree_estimate_probability): Ditto.
4243 * gcc/recog.c (split_all_insns_noflow): Ditto.
4244 (rest_of_handle_peephole2): Ditto.
4245 (rest_of_handle_split_all_insns): Ditto.
4246 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4247 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4248 (rest_of_handle_stack_adjustments): Ditto.
4249 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4250 * gcc/function.c (instantiate_virtual_regs): Ditto.
4251 (init_function_for_compilation): Ditto.
4252 (rest_of_handle_check_leaf_regs): Ditto.
4253 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4254 (rest_of_handle_gcse): Ditto.
4255 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4256 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4257 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4258 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4259 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4260 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4261 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4262 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4263 * gcc/except.c (set_nothrow_function_flags): Ditto.
4264 (convert_to_eh_region_ranges): Ditto.
4265 (rest_of_handle_eh): Ditto.
4266 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4267 (remove_unnecessary_notes): Ditto.
4268 * gcc/except.h (set_nothrow_function_flags): Ditto.
4269 (convert_to_eh_region_ranges): Ditto.
4270 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4271 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4272 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4273 (execute_fre): Ditto.
4274 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4275 (rest_of_handle_jump2): Ditto.
4276 * gcc/tree-sra.c (tree_sra): Ditto.
4277 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4278 (execute_mudflap_function_decls): Ditto.
4279 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4280 (do_store_copy_prop): Ditto.
4281 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4282 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4283 * gcc/tree-ssa-forwprop.c
4284 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4285 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4286 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4287 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4288 (execute_late_warn_uninitialized): Ditto.
4289 * gcc/rtl.h (cleanup_barriers): Ditto.
4290 (split_all_insns_noflow): Ditto.
4291 (purge_line_number_notes): Ditto.
4292 (unshare_all_rtl): Ditto.
4293 (remove_unnecessary_notes): Ditto.
4294 (recompute_reg_usage): Ditto.
4295 (variable_tracking_main): Ditto.
4296 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4297 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4298 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4299 (execute_free_cfg_annotations): Ditto.
4300 (execute_fixup_cfg): Ditto.
4301 (execute_cleanup_cfg_pre_ipa): Ditto.
4302 (execute_cleanup_cfg_post_optimizing): Ditto.
4303 (execute_init_datastructures): Ditto.
4304 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4305 * gcc/combine.c (rest_of_handle_combine): Ditto.
4306 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4307 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4308 (rest_of_handle_reorder_blocks): Ditto.
4309 (rest_of_handle_partition_blocks): Ditto.
4310 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4311 * gcc/tree-profile.c (tree_profiling): Ditto.
4312 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4313 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4314 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4315 (rest_of_handle_sched2): Ditto.
4316 * gcc/basic-block.h (free_bb_insn): Ditto.
4317 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4318 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4319 (remove_useless_stmts): Ditto.
4320 (split_critical_edges): Ditto.
4321 (execute_warn_function_return): Ditto.
4322 (execute_warn_function_noreturn): Ditto.
4323 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4324 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4325 * gcc/passes.c (execute_one_pass): Run additional
4326 todos returned by execute function.
4327 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4330 2006-03-02 Richard Guenther <rguenther@suse.de>
4332 * tree-ssa-alias.c (find_used_portions): Consider taking
4333 the address as making the variable not write-only.
4335 2006-03-02 Nick Clifton <nickc@redhat.com>
4337 * config.gcc (default_use_cxa_atexit): Extend the description of
4338 this configure variable. Set its default value to "yes" for
4339 Linux, NetBSD and ELF targets on the assumption that they will
4340 use C libraries with the __cxa_atexit function.
4342 2006-03-02 Ben Elliston <bje@au.ibm.com>
4344 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4345 parameter as unused to suppress a build warning.
4347 2006-03-02 Ben Elliston <bje@au.ibm.com>
4349 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4352 2006-03-01 Roger Sayle <roger@eyesopen.com>
4355 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4356 declared name, the weak reference name, and the typeof name.
4357 (__gthrw): Avoid expanding the declared name suffix.
4358 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4360 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4362 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4364 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4365 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4366 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4367 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4368 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4369 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4370 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4371 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4372 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4373 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4374 (DW_END_default, DW_END_big, DW_END_little): New.
4375 (DW_END_lo_user, DW_END_hi_user): Define.
4376 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4377 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4378 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4381 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4383 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4385 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4387 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4389 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4391 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4392 to 'symbol_mem_tag'.
4394 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4397 2006-03-01 Roger Sayle <roger@eyesopen.com>
4399 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4401 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4404 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4405 MACHO_DYNAMIC_NO_PIC_P.
4406 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4408 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4411 * config/darwin-protos.h (darwin_asm_output_anchor):
4413 * config/darwin-sections.def (cstring_section):
4414 Add SECTION_MERGE to the flags.
4415 (literal4_section): Likewise.
4416 (literal8_section): Likewise.
4417 (objc_selector_refs_section): Likewise.
4418 (objc_cls_refs_section): Likewise.
4419 * config/darwin.c (darwin_asm_output_anchor): New
4421 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4423 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4425 Fix PR tree-optimization/26443
4426 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4427 to todo and PROP_tmt_usage to properties_destroyed.
4428 * tree-ssa-ccp.c (pass_ccp): Ditto.
4429 (pass_store_ccp): Ditto.
4430 * tree-ssa-dom.c (pass_dominator): Ditto.
4432 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4434 * tree-ssa-operands.c: Cleanup whitespace.
4435 (get_asm_expr_operands): Move before first invocation.
4436 (get_indirect_ref_operands): Likewise.
4437 (get_tmr_operands): Likewise.
4438 (get_call_expr_operands): Likewise.
4439 (append_def): Likewise.
4440 (append_use): Likewise.
4441 (append_v_may_def): Likewise.
4442 (append_v_must_def): Likewise.
4443 (add_call_clobber_ops): Likewise.
4444 (add_call_read_ops): Likewise.
4445 (add_stmt_operand): Likewise.
4446 (add_virtual_operand): Likewise.
4447 (build_ssa_operands): Likewise.
4449 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4454 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4455 with a call expr to ...
4456 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4458 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4460 * tree-vrp.c (extract_range_from_assert): Remove special
4461 handling for types with super-types.
4463 2006-03-01 Ben Elliston <bje@au.ibm.com>
4465 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4466 and powerpc64-*-linux* configurations.
4467 * config/t-dfprules: New file.
4469 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4470 Compile dfp-bit.c from the source directory using -DWIDTH and
4471 $DFP_CFLAGS to control the compilation of that file, rather than
4472 generating width-specific versions in the build directory.
4473 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4474 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4476 2006-02-28 Zack Weinberg <zackw@panix.com>
4478 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4481 2006-02-28 Eric Christopher <echristo@apple.com>
4483 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4484 Set up IN_LIBGCC definition of TARGET_64BIT.
4485 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4487 2006-02-28 Roger Sayle <roger@eyesopen.com>
4490 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4491 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4492 cases via the construction of "expr != 0".
4494 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4496 * alias.c (alias_invariant, alias_invariant_size): Remove.
4497 (record_base_value): Remove.
4498 (memrefs_conflict_p): Don't look at alias_invariant.
4499 (end_alias_analysis): Don't free it.
4500 * alias.h (record_base_value): Remove prototype.
4502 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4503 Adam Nemet <anemet@caviumnetworks.com>
4505 * rtl.h (truncated_to_mode): Declare it.
4506 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4507 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4508 (RTL_HOOKS_INITIALIZER): Include it.
4509 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4510 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4511 reg_truncated_to_mode.
4512 * rtlanal.c (truncated_to_mode): Define it.
4513 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4515 2006-02-28 Jeff Law <law@redhat.com>
4517 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4518 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4519 the range allowed by TYPE_PRECISION.
4521 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4523 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4525 PR tree-optimization/26419
4526 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4529 2006-02-27 Zack Weinberg <zackw@panix.com>
4531 * doc/md.texi: Fix typo in previous change.
4533 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4537 2006-02-27 Zack Weinberg <zackw@panix.com>
4539 * rtl.def (define_constraint, define_register_constraint)
4540 (define_memory_constraint, define_address_constraint): New MD forms.
4541 * gensupport.c (process_rtx): Put define_constraint etc on the
4543 * genpreds.c (process_define_predicate): Adjust comment. Validate
4544 the name, and call validate_exp to validate the expression.
4545 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4546 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4547 all callers changed.
4548 (validate_exp, needs_variable, struct constraint_data)
4549 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4550 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4551 (const_dbl_constraints, constraint_max_namelen)
4552 (have_register_constraints, have_memory_constraints)
4553 (have_address_constraints, have_address_constraints)
4554 (have_extra_constraints, have_const_int_constraints)
4555 (have_const_dbl_constraints, mangle, add_constraint)
4556 (process_define_constraint, process_define_register_constraint)
4557 (write_enum_constraint_num, write_lookup_constraint)
4558 (write_insn_constraint_len, write_regclass_for_constraint)
4559 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4560 (write_insn_extra_memory_constraint)
4561 (write_insn_extra_address_constraint)
4562 (write_satisfies_constraint_fns): New.
4563 (write_tm_preds_h): If we have new-style constraint definitions,
4564 prototype the functions generated from them, and define the
4565 old constraint interface (still used by generic code) in terms of
4567 (write_insn_preds_c): If we have new-style constraint definitions,
4568 generate all relevant functions from those definitions.
4569 (main): Handle define_constraint etc.
4570 * genoutput.c (struct constraint_data, indep_constraints)
4571 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4572 (mdep_constraint_len): New data structures and functions, defined
4573 #ifdef USE_MD_CONSTRAINTS.
4574 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4575 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4576 use new logic to validate operand constraints against constraint
4578 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4580 * defaults.h: If none of the old-style constraint macros are
4581 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4582 old-style macros; and poison REG_CLASS_FROM_LETTER,
4583 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4585 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4586 * doc/md.texi: Document new constraint-definition mechanism and the
4587 C interface it provides. Remove references to old mechanism
4588 elsewhere in the document.
4589 (Machine Constraints): Use pathnames relative to gcc directory,
4590 i.e. config/ARCH/FILE. Change i386 section to refer to
4591 config/i386/predicates.md; update that section to match docstrings.
4592 * doc/tm.texi: Move all documentation of the old constraint-
4593 definition macros to their own section, clearly mark as obsolete.
4595 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4596 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4598 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4599 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4600 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4602 (splits and peepholes): Use satisfies_constraint_*.
4603 * config/i386/i386.c (memory_address_length)
4604 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4606 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4608 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4609 scalar operation to be put back into the loop.
4611 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4614 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4615 (extract_cie_info): Handle S flag in augmentation string.
4616 (execute_cfa_program): If context->signal_frame, execute also
4617 fs->pc == context->ra instructions.
4618 (uw_frame_state_for): If context->signal_frame, don't subtract one
4619 from context->ra to find FDE.
4620 (uw_update_context_1): Set context->signal_frame to
4622 (_Unwind_GetIPInfo): New function.
4623 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4624 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4626 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4627 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4628 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4629 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4630 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4631 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4632 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4633 x86_64_fallback_frame_state): Set fs->signal_frame.
4634 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4635 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4636 (frob_update_context): Likewise. Workaround missing S flag in
4637 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4638 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4639 Remove the psw_addr + 1 hack.
4641 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4643 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4644 with aggregates here.
4645 (find_func_aliases): Remove code for &<aggregate> from here.
4647 2006-02-26 Roger Sayle <roger@eyesopen.com>
4649 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4650 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4651 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4654 2006-02-26 Roger Sayle <roger@eyesopen.com>
4657 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4659 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4661 * opts.c (decode_options): Do not handle flag_strength_reduce.
4662 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4663 and OPT_fstrength_reduce.
4664 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4665 flag_prefetch_loop_arrays for being nonzero.
4666 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4668 (fprefetch-loop-arrays-rtl): Removed.
4669 (flag_prefetch_loop_arrays): Do not specify the value.
4671 * doc/passes.texi: Update documentation of loop optimizer
4673 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4674 -frerun-loop-opt): Remove.
4676 2006-02-26 Richard Guenther <rguenther@suse.de>
4678 PR tree-optimization/26421
4679 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4680 in function calls that are ADDR_EXPRs as using the whole structure.
4682 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4684 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4685 * tree-pass.h (pass_loop_optimize): Remove.
4686 * passes.c (pass_loop_optimize): Never run it.
4687 * toplev.c (backend_init): Don't call init_loop.
4688 * opts.c (flag_loop_optimize_set): Remove.
4689 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4690 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4691 the old RTL loop optimizer when profiling enabled.
4692 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4693 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4694 pre-headers for the sake of the old RTL loop optimizer.
4695 * Makefile.in: Remove all references to loop.o.
4697 * doc/invoke.texi: Remove all references to -floop-optimize
4698 and -frerun-loop-opt.
4700 2006-02-26 Zack Weinberg <zackw@panix.com>
4702 * doc/md.texi (Machine Constraints): Refer to all files with paths
4703 relative to gcc directory (i.e. config/CPU/file). Add missing
4704 @table @code ... @end table to M32C subsection.
4706 2006-02-26 Roger Sayle <roger@eyesopen.com>
4708 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4710 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4712 2006-02-26 Roger Sayle <roger@eyesopen.com>
4713 James A. Morrison <phython@gcc.gnu.org>
4716 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4717 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4718 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4719 signedness of the shift operation.
4721 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4723 PR tree-optimization/26359
4724 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4726 2006-02-25 Roger Sayle <roger@eyesopen.com>
4728 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4729 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4730 as X == 0, and some symmetry related transformations.
4731 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4733 2006-02-25 Roger Sayle <roger@eyesopen.com>
4736 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4737 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4738 symmetry related transformations. Fold (X^C1) == C2 as
4741 2006-02-25 Juergen Weigert <jw@suse.de>
4742 Richard Guenther <rguenther@suse.de>
4744 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4746 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4748 * combine.c (gen_lowpart_or_truncate): Call
4749 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4751 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4753 * doc/invoke.texi: Move -fopenmp description to "Options for
4755 Remove reference to -lgomp.
4757 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4759 * doc/install.texi: Require GNU tar version 1.14.
4761 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4763 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4764 * doc/invoke.texi (C++ Dialect Options): Document
4765 -fno-use-cxa-get-exception-ptr.
4766 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4767 * configure: Regenerate.
4768 * c.opt (fuse-cxa-get-exception-ptr): New.
4769 * c-opts.c (c_common_handle_option): Handle
4770 OPT_fuse_cxa_get_exception_ptr.
4771 * c-common.c (flag_use_cxa_atexit): Update documentation.
4772 (flag_use_cxa_get_exception_ptr): New.
4773 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4774 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4776 (C_COMMON_OVERRIDE_OPTIONS): New.
4778 2006-02-24 Roger Sayle <roger@eyesopen.com>
4781 * combine.c (try_combine): Explicitly check whether GET_CODE is
4782 a SET or a CLOBBER, instead on checking that it isn't a USE.
4784 2006-02-24 Roger Sayle <roger@eyesopen.com>
4786 * fold-const.c (fold_comparison): New subroutine of fold_binary
4787 containing transformations common to both the equality and
4788 ordering relational operators, factored out of fold_binary.
4789 (fold_binary): Separate out the equality operators (EQ_EXPR
4790 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4791 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4792 transformations common to both.
4793 (fold_div_compare): Fix latent bugs in the previously unreachable
4794 LT_EXPR and GE_EXPR cases.
4796 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4798 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4799 decl libname for clog to __clog on AIX.
4801 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4803 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4806 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4807 output traceback table for thunks. Localise rs6000_stack_info call.
4809 2006-02-23 Roger Sayle <roger@eyesopen.com>
4810 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4812 * gthr-posix.h (__gthrw): Fix typo in comment.
4814 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4816 * doc/cpp.texi (Character sets): Document that we do support
4817 input files to be in any character set.
4819 2006-02-23 Jeff Law <law@redhat.com>
4821 * tree.h (PHI_ARG_NONZERO): Remove.
4822 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4823 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4824 node to the new node.
4826 PR tree-optimization/26425
4827 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4828 min/max, then assume its varying.
4830 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4832 PR rtl-optimization/26316
4833 * rtlanal.c (enum may_trap_p_flags): New.
4834 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4835 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4836 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4837 (may_trap_after_code_motion_p): New function.
4838 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4839 (find_invariant_insn): Use may_trap_after_code_motion_p.
4840 * rtl.h (may_trap_after_code_motion_p): Declare.
4842 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4844 * emit-rtl.c (immed_double_const): Cleanup.
4846 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4848 Fix PR tree-optimization/26376
4849 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4852 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4855 * gimplify.c (omp_add_variable): Guard variable size decl test with
4856 DECL_SIZE (decl) check.
4858 2006-02-23 Richard Guenther <rguenther@suse.de>
4861 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4862 like aggregate types.
4864 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4866 * configure.ac: Add --with{,out}-long-double-128 configure option.
4867 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4868 * configure: Rebuilt.
4869 * config.in: Rebuilt.
4870 * doc/install.texi (Options specification): Document
4871 --with-long-double-128.
4873 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4874 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4875 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4876 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4878 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4880 * config/s390/s390.c (override_options): Handle
4881 TARGET_DEFAULT_LONG_DOUBLE_128.
4883 * config/alpha/alpha.c (override_options): Handle
4884 TARGET_DEFAULT_LONG_DOUBLE_128.
4886 * config/sparc/sparc.c (sparc_override_options): Handle
4887 TARGET_DEFAULT_LONG_DOUBLE_128.
4889 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4891 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4892 (real-install-headers-tar, real-install-headers-cpio)
4893 (real-install-headers-cp): New targets.
4895 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4897 * tree.h (variable_section): Delete.
4898 * varasm.c (variable_section): Delete.
4900 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4902 * install.texi: Add notes on install.texi2html.
4903 (Building in parallel): Do not use footnotes.
4905 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4908 * doc/install.texi (Configuration): Document --disable-libgomp.
4910 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4912 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4914 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4916 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4917 (vec_extractv2df_0_sse): New.
4919 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4921 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4922 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4923 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4924 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4925 to the result of the expression.
4926 (def_cfa_1): Adjust.
4927 (frame_pointer_cfa_offset): Rename to...
4928 (frame_pointer_fb_offset): ... this. Adjust all uses.
4929 (convert_cfa_to_loc_list): Rename to...
4930 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4931 Pass it on to build_cfa_loc.
4932 (compute_frame_pointer_to_cfa_displacement): Rename to...
4933 (compute_frame_pointer_to_fb_displacement): ... this. New
4934 offset parameter. Use it in computation.
4935 (gen_subprogram_die): Compute cfa_fb_offset with the new
4936 macro, and use it to compute the fb loc list and the
4939 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4941 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4942 replaced with register_operand.
4943 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4944 non-DREG is expensive.
4945 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4946 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4949 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4951 * doc/install.texi2html: Use set -e.
4953 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4955 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4956 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4957 * doc/invoke.texi (-fshared-data): Delete.
4958 * common.opt (fshared-data): Delete.
4959 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4960 (assemble_static_space): Remove #if 0 code.
4961 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4962 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4963 * config/cris/cris.h: Remove FIXME.
4965 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4967 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4970 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4973 * combine.c (simplify_shift_const_1): Disable nested shifts
4974 optimization for vector shifts.
4976 2006-02-20 Roger Sayle <roger@eyesopen.com>
4978 PR tree-optimization/26361
4979 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4980 of unsigned integer types.
4982 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4984 * tree-chrec.c (eq_evolutions_p): New.
4985 * tree-chrec.h (eq_evolutions_p): Declared.
4986 * tree-data-ref.c: Fix formatting.
4987 (datadep_stats, dependence_stats): New.
4989 (print_direction_vector): New.
4990 (dump_data_dependence_relation): Use print_direction_vector.
4991 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4992 (compute_subscript_distance): Static.
4993 (initialize_data_dependence_relation): Static. Get the number
4994 of loops surrounding the references from the callers, and initialize
4995 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4996 base_object_differ_p analyzers.
4997 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4998 compute_overlap_steps_for_affine_1_2,
4999 analyze_subscript_affine_affine): Count the classified dependences.
5000 Print a message when a test failed.
5001 (can_use_analyze_subscript_affine_affine): New.
5002 (analyze_siv_subscript): Compute the data dependences on symbolic
5003 scevs that verify can_use_analyze_subscript_affine_affine.
5004 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5005 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5006 Handle symbolic scevs.
5007 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5009 (subscript_dependence_tester): Moved...
5010 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5011 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5012 DDR_SIZE_VECT instead of getting it in parameter.
5013 (subscript_dependence_tester): ... here. Take as a parameter
5014 loop_nest_depth. Call build_classic_dist_vector and
5015 build_classic_dir_vector.
5016 (compute_affine_dependence): Update subscript_dependence_tester
5017 parameters. Update datadep_stats counters. Call
5018 compute_subscript_distance.
5019 (compute_self_dependence): Save the dist and dir vectors. Call
5020 compute_subscript_distance.
5021 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5022 (compute_all_dependences): Reorder parameters as they were before
5023 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5024 compute_subscript_distance. Update the use of
5025 compute_affine_dependence and initialize_data_dependence_relation.
5026 (find_data_references_in_loop): Handle COMPONENT_REF.
5027 (compute_data_dependences_for_loop): Initialize dependence_stats.
5028 Don't call build_classic_dist_vector and build_classic_dir_vector.
5029 Update the parameters of initialize_data_dependence_relation and
5030 compute_all_dependences. Print the statistics from datadep_stats.
5031 (analyze_all_data_dependences): Static. Not used until the pass for
5032 checking the data dependences is contributed.
5033 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5034 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5035 (initialize_data_dependence_relation, compute_affine_dependence,
5036 analyze_all_data_dependences, compute_subscript_distance): Removed.
5037 (print_direction_vector): New.
5038 * lambda.h (gcd): ... here.
5039 (lambda_vector_gcd): Moved here from gcd_vector.
5040 * lambda-code.c (gcd, gcd_vector): Removed.
5041 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5042 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5044 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5046 * ipa-type-escape.c: Tidy some comments and white space.
5047 * tree-ssa-operands.c: Likewise.
5049 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5052 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5053 (dump_decl_name): Do not walk the decl tree chains.
5054 * tree-pass.h (TDF_CHAIN): Remove.
5056 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5058 * Makefile.in (C): Remove
5060 (.PHONY): Remove C and PROTO
5062 2006-02-20 Roger Sayle <roger@eyesopen.com>
5065 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5066 deprecated CHAR_TYPE tree code.
5068 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5070 * configure.ac (target_list): Add install-info, dvi, html.
5071 * configure: Regenerate.
5073 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5074 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5075 treelang/Make-lang.in: Do not use double-colon rules.
5077 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5079 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5080 (TMT_USED_ALONE): New macro.
5081 * tree-pass.h (PROP_tmt_usage): New property.
5082 (TODO_update_tmt_usage): New todo.
5083 * tree-ssa-alias.c (updating_used_alone): New variable.
5084 (recalculate_used_alone): New function.
5085 (compute_may_aliases): Set updating_used_alone, call
5086 recalculate_used_alone.
5087 * tree-sra.c (pass_sra): Note that this pass destroys
5088 PROP_tmt_usage, and add TODO_update_tmt_usage.
5089 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5090 * tree-flow.h (updating_used_alone): Prototype.
5091 (recalculate_used_alone): Ditto.
5092 * passes.c (execute_todo): Add code to set updating_used_alone,
5093 and call recalculate.
5094 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5095 for clobber if used alone, and add assert to verify used_alone
5098 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5100 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5101 for non tls symbols added.
5102 (legitimize_address): Do nothing for PLUS expressions if one of the
5103 addends is a tls symbol reference.
5105 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5109 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5111 * Makefile.in (BOOTSTRAPPING): New.
5112 (quickstrap): New definition if BOOTSTRAPPING=yes.
5114 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5115 * configure.ac: Substitute all_selected_languages with the languages
5116 that were configured. For all the other variables except
5117 lang_specs_files, include all the languages in the tree.
5118 * configure: Regenerate.
5120 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5121 if there is one. Run the commands to run fixincludes in the same
5124 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5125 * doc/install.texi: Document exact conventions for searching target tools.
5126 Document --with-build-time-tools. Document toplevel bootstrap. Document
5127 something more about building an Ada cross-compiler. Don't list GNU Make
5128 requirements which affect all platforms.
5130 2006-02-19 Roger Sayle <roger@eyesopen.com>
5133 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5134 only equivalent if the have both the same mode and precision.
5136 2006-02-20 Ben Elliston <bje@au.ibm.com>
5138 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5140 2006-02-19 Roger Sayle <roger@eyesopen.com>
5141 Steven Bosscher <stevenb.gcc@gmail.com>
5143 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5144 constant pool references to identify stack mode constants.
5145 * rtlanal.c (constant_pool_constant_p): New predicate to check
5146 whether operand is a floating point constant in the pool.
5147 * rtl.h (constant_pool_constant_p): Prototype here.
5148 * loop.c (scan_loop): Avoid hoisting constants from the constant
5149 pool on STACK_REGS targets.
5150 (load_mems): Likewise.
5151 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5152 loads into x87 registers expensive in terms of register pressure.
5154 2006-02-19 Roger Sayle <roger@eyesopen.com>
5156 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5157 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5159 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5161 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5162 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5164 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5166 * doc/invoke.texi: Document -fipa-pta.
5167 * common.opt: Add ipa-pta option.
5168 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5169 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5170 (do_ds_constraint): Ditto.
5171 (get_constraint_for): Only add to referenced_vars if
5172 referenced_vars exists.
5173 (insert_into_field_list): Rewrite to do this unsorted.
5174 (insert_into_field_list_sorted): Rename old insert_into_field_list
5176 (create_function_info_for): Use insert_into_field_list_sorted.
5177 (create_variable_info_for): Rewrite so it uses unsorted version,
5178 since the field list is sorted.
5179 (intra_create_variable_infos): Only add to referenced_vars if
5180 referenced_vars exists.
5181 (ipa_pta_execute): Init heapvars, and delete when done.
5182 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5184 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5186 * doc/install.texi: Add missing `@samp'.
5188 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5190 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5193 2006-02-18 Mark Wielaard <mark@klomp.org>
5195 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5196 who added new 4.1 features, bug fixes and integration support.
5198 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5201 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5204 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5206 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5207 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5208 (copy_insn_1): Likewise. Don't copy each field individually.
5210 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5212 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5213 * rtl.c (rtx_size): Rename variable to...
5214 (rtx_code_size): ...this.
5215 (rtx_size): New function.
5216 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5217 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5219 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5220 * rtl.h (rtx_code_size): New variable.
5221 (rtx_size): Change from a variable to a function.
5222 (RTX_SIZE): Rename to...
5223 (RTX_CODE_SIZE): ...this.
5226 PR tree-optimization/17106
5227 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5228 (Anchored Addresses): New section.
5229 * doc/invoke.texi (-fsection-anchors): Document.
5230 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5231 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5232 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5233 * hooks.c (hook_bool_mode_rtx_false): New function.
5234 * hooks.h (hook_bool_mode_rtx_false): Declare.
5235 * gengtype.c (create_optional_field): New function.
5236 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5237 SYMBOL_REF_IN_BLOCK_P is true.
5238 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5239 (min_anchor_offset, max_anchor_offset): Likewise.
5240 (use_anchors_for_symbol_p): New hook.
5241 * toplev.c (compile_file): Call output_object_blocks.
5242 (target_supports_section_anchors_p): New function.
5243 (process_options): Check that -fsection-anchors is only used on
5244 targets that support it and when -funit-at-a-time is in effect.
5245 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5246 if the decl doesn't have one.
5247 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5248 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5249 of force_const_mem through use_anchored_address.
5250 (expand_expr_constant): New function.
5251 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5252 calling expand_expr for INDIRECT_REF.
5253 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5254 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5255 * expr.h (use_anchored_address): Declare.
5256 * loop-unroll.c: Don't declare rtx vectors here.
5257 * explow.c: Include output.h.
5258 (validize_mem): Call use_anchored_address.
5259 (use_anchored_address): New function.
5260 * common.opt (-fsection-anchors): New switch.
5261 * varasm.c (object_block_htab, anchor_labelno): New variables.
5262 (hash_section, object_block_entry_eq, object_block_entry_hash)
5263 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5264 (use_blocks_for_decl_p, change_symbol_section): New functions.
5265 (get_variable_section): New function, split out from assemble_variable.
5266 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5267 use_blocks_for_decl_p say so. Use change_symbol_section if the
5268 symbol has already been created.
5269 (assemble_variable_contents): New function, split out from...
5270 (assemble_variable): ...here. Don't output any code for
5271 block symbols; just pass them to place_block_symbol.
5272 Use get_variable_section and assemble_variable_contents.
5273 (get_constant_alignment, get_constant_section, get_constant_size): New
5274 functions, split from output_constant_def_contents.
5275 (build_constant_desc): Create a block symbol if use_object_blocks_p
5276 says so. Or into SYMBOL_REF_FLAGS.
5277 (assemble_constant_contents): New function, split from...
5278 (output_constant_def_contents): ...here. Don't output any code
5279 for block symbols; just pass them to place_section_symbol.
5280 Use get_constant_section and get_constant_alignment.
5281 (force_const_mem): Create a block symbol if use_object_blocks_p and
5282 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5283 (output_constant_pool_1): Add an explicit alignment argument.
5284 Don't switch sections here.
5285 (output_constant_pool): Adjust call to output_constant_pool_1.
5286 Switch sections here instead. Don't output anything for block symbols;
5287 just pass them to place_block_symbol.
5288 (init_varasm_once): Initialize object_block_htab.
5289 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5290 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5291 (place_block_symbol, get_section_anchor, output_object_block)
5292 (output_object_block_htab, output_object_blocks): New functions.
5293 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5294 (TARGET_ASM_OUT): Include it.
5295 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5296 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5297 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5298 (TARGET_INITIALIZER): Include them.
5299 * rtl.c (rtl_check_failed_block_symbol): New function.
5300 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5301 (block_symbol, object_block): New structures.
5302 (rtx_def): Add a block_symbol field to the union.
5303 (BLOCK_SYMBOL_CHECK): New macro.
5304 (rtl_check_failed_block_symbol): Declare.
5305 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5306 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5307 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5308 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5309 * output.h (output_section_symbols): Declare.
5310 (object_block): Name structure.
5311 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5312 (default_use_anchors_for_symbol_p): Declare.
5313 * Makefile.in (RTL_BASE_H): Add vec.h.
5314 (explow.o): Depend on output.h.
5315 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5316 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5317 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5318 (rs6000_use_blocks_for_constant_p): New function.
5320 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5322 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5324 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5327 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5330 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5332 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5336 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5339 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5340 instead of DECL_REGISTER.
5342 2006-02-18 Olivier Hainque <hainque@adacore.com>
5345 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5347 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5350 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5351 * opth-gen.awk: Handle Var and InverseMask together.
5352 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5353 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5354 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5355 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5357 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5358 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5359 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5360 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5361 LINUX_DYNAMIC_LINKER): Define.
5362 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5363 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5365 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5366 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5367 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5369 (TARGET_C99_FUNCTIONS): Don't define.
5370 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5371 GLIBC_DYNAMIC_LINKER.
5372 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5373 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5374 GLIBC_DYNAMIC_LINKER64): Define.
5375 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5376 LINUX_DYNAMIC_LINKER64.
5377 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5379 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5380 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5381 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5382 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5383 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5384 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5385 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5386 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5387 and LINUX_DYNAMIC_LINKER32.
5388 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5389 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5390 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5391 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5392 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5394 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5395 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5396 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5397 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5398 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5399 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5400 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5401 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5402 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5403 LINUX_DYNAMIC_LINKER): Define.
5404 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5405 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5406 GLIBC_DYNAMIC_LINKER64): Define.
5407 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5408 LINUX_DYNAMIC_LINKER64.
5409 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5410 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5411 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5412 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5413 LINUX_DYNAMIC_LINKER): Define.
5414 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5415 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5416 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5417 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5418 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5419 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5420 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5421 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5422 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5423 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5425 * doc/invoke.texi (-muclibc): Remove caveat about supported
5428 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5430 * doc/cpp.texi (__TIMESTAMP__): Document.
5432 2006-02-17 Roger Sayle <roger@eyesopen.com>
5435 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5436 C is one less than the width of X (and related transformations).
5437 * simplify-rtx.c (simplify_unary_operation_1): Transform
5438 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5439 depending on STORE_FLAG_VALUE, were C is one less then the
5442 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5444 Fix PR tree-optimization/26341
5445 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5446 about NAME_MEMORY_TAG's.
5448 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5451 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5452 with hardware float support, and software float support. Add fcpy
5453 alternative to hardware patterns. Add alternatives to copy between
5454 general and floating-point registers to the 32-bit pattern.
5455 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5456 secondary reload to load a QI or HI mode constant into a floating
5458 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5459 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5461 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5464 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5466 (load_macho_picbase_di): Likewise.
5468 2006-02-16 Jeff Law <law@redhat.com>
5470 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5471 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5472 (ssa_name_nonzero_p): Likewise.
5473 (get_value_range): Return NULL if VRP is not running.
5474 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5475 VRP routines do not discover a range.
5476 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5477 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5478 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5479 (tree_expr_nonnegative_p): Similarly.
5480 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5481 (restore_nonzero_vars_to_original_value): Remove.
5482 (unsafe_associative_fp_binop): Remove.
5483 (tree_ssa_dominator_optimize): Remove initialization and
5484 finalization of nonzero_vars and nonzero_vars_stack.
5485 (dom_opt_initialize_block): No longer push marker on
5487 (dom_opt_finalize_block): No longer call
5488 restore_nonzero_vars_to_original_value.
5489 (record_equivalences_from_phis): No longer look for
5490 nonzero PHI arguments.
5491 (cprop_into_successor_phis): No longer propagate nonzero
5492 property into PHI arguments. Lose unused argument. Caller
5494 (record_equivalences_from_stmt): No longer record nonzero
5495 values for SSA_NAMEs.
5496 (lookup_avail_expr): No longer use nonzero_vars.
5498 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5499 for sizetype when sizetype is unsigned.
5501 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5503 PR rtl-optimization/25603
5504 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5505 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5506 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5507 with new meaning of SETS.
5509 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5514 * config/linux.opt: New file.
5515 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5516 LINUX_DYNAMIC_LINKER): Define.
5517 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5518 * config.gcc (*-*-linux*): Define extra_options.
5519 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5520 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5521 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5522 GLIBC_DYNAMIC_LINKER.
5523 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5524 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5525 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5527 * doc/invoke.texi (GNU/Linux Options): New section.
5529 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5531 * config/sparc/sparc.md (setjmp): Rewrite.
5532 (setjmp_32): Delete.
5533 (setjmp_64): Likewise.
5535 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5537 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5540 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5542 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5545 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5547 PR rtl-optimization/26296
5548 * Makefile.in (loop-invariant.c): Add except.h dependency.
5549 * loop-invariant.c: Include except.h.
5550 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5552 2005-02-16 Paul Brook <paul@codesourcery.com>
5554 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5557 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5559 PR rtl-optimization/25636
5560 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5561 when deciding whether an insn is an initializing insn.
5563 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5565 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5566 (tree_code_size): Ditto.
5567 * tree.h (struct tree_memory_tag): Remove parent_var.
5568 (struct tree_struct_field_tag): New.
5571 (union tree_node): Add sft member.
5572 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5574 (create_sft): Add size and offset argument, set SFT_OFFSET and
5576 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5577 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5578 * tree-flow-inline.h (get_subvar_at): Update for
5579 SFT_OFFSET/SFT_SIZE.
5580 (var_can_have_subvars): Ditto.
5581 (overlap_subvar): Ditto.
5582 * print-tree.c (print_node): Print out interesting things for
5584 * tree-flow.h (struct subvar): Remove offset and size members.
5585 * tree-ssa-operands.c (get_expr_operands): Update for
5586 get_indirect_ref_operands changes.
5587 (get_indirect_ref_operands): Call add_virtual_operand instead of
5588 add_stmt_operand. Only recurse on base var if requested.
5589 (access_can_touch_variable): New function.
5590 (add_stmt_operand): Split virtual operand handling into ...
5591 (add_virtual_operand): Here. Add offset, size, and for_clobber
5592 arguments. Prune alias sets.
5593 (add_call_clobber_ops): Call add_virtual_operand.
5595 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5598 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5600 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5601 than TREE_CODE as index into omp_clause_num_ops array.
5603 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5605 PR rtl-optimization/26184
5606 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5608 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5609 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5610 must_precede, must_follow and tobe_scheduled.
5613 * opts.c (common_handle_option): Free new_option pointer.
5614 * df-core.c (df_analyze): Free postorder pointer.
5616 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5618 * Makefile.in: Fix the examples about the use of stamps
5620 2006-02-15 Michael Matz <matz@suse.de>
5624 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5625 influenced by maximum_field_alignment or DECL_PACKED.
5626 (update_alignment_for_field): Ditto.
5627 (place_field): Ditto.
5628 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5631 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5633 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5634 (debug_flow_info): Pass it.
5635 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5636 * bb-reorder.c (reorder_basic_blocks): Likewise.
5637 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5638 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5639 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5640 * gcse.c (gcse_main, bypass_jumps): Likewise.
5641 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5642 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5643 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5644 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5645 * rtl.h (dump_flow_info): Adjust prototype.
5646 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5647 * var-tracking.c (variable_tracking_main): Likewise.
5648 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5649 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5652 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5654 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5657 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5659 PR tree-optimization/26209
5660 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5661 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5663 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5665 2006-02-14 Roger Sayle <roger@eyesopen.com>
5668 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5669 (X,Y) and the corresponding symmetry related transformations.
5670 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5671 (X,Y) and its symmetry related transformations.
5673 2006-02-14 Roger Sayle <roger@eyesopen.com>
5675 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5678 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5680 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5682 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5685 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5686 support COMDAT group.
5687 * configure: Regenerate.
5689 2006-02-14 Roger Sayle <roger@eyesopen.com>
5694 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5696 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5698 Fix PR tree-optimization/26260
5700 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5702 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5703 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5704 * tree-ssa-structalias.c (create_variable_info_for): Use
5705 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5707 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5709 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5711 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5712 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5713 of the ending condition.
5714 * tree-ssa-loop-manip.c: Include params.h.
5715 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5716 tree_unroll_loop): New functions.
5717 * tree-pass.h (pass_loop_prefetch): Declare.
5718 * loop.c (rest_of_handle_loop_optimize): Test for
5719 -fprefetch-loop-arrays-rtl.
5720 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5721 * timevar.def (TV_TREE_PREFETCH): New timevar.
5722 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5723 pass_loop_prefetch): New.
5724 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5725 (cleanup_tree_cfg_loop): Call scev_reset.
5726 * common.opt (fprefetch-loop-arrays-rtl): Add.
5727 * tree-ssa-loop-prefetch.c: New file.
5728 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5729 (new_temp_expr_table): Initialize expr_vars.
5730 (free_temp_expr_table): Cleanup expr_vars.
5731 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5732 expressions from being merged into one.
5733 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5734 (struct tree_niter_desc): Add control, bound and cmp fields.
5735 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5737 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5738 (tree-cfgcleanup.o): Add SCEV_H dependency.
5739 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5740 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5742 2006-02-14 Richard Guenther <rguenther@suse.de>
5744 PR tree-optimization/26258
5745 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5746 in PHI argument processing.
5748 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5750 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5751 new expression in the requested machine mode.
5753 2006-02-13 Roger Sayle <roger@eyesopen.com>
5755 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5756 directly, instead let do_compare_rtx_and_jump handle this for us.
5757 * expr.c (expand_expr_real_1): Likewise.
5758 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5759 before do_jump_by_parts_greater.
5760 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5761 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5763 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5765 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5767 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5769 PR rtl-optimization/26235
5770 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5771 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5774 2006-02-13 Jeff Law <law@redhat.com>
5776 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5779 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5782 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5783 twice if decl is a builtin. When trying again, call get_callee_fndecl
5784 first to verify it is still a builtin.
5786 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5788 * dwarf2out.c (base_type_die): Don't add AT_name here.
5789 (subrange_type_die): Don't add AT_name here.
5790 (modified_type_die): Rearrange code flow. Do add AT_name here.
5792 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5794 PR rtl-optimization/26247
5795 PR rtl-optimization/26248
5796 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5798 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5800 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5801 * config/fixtfdi.c: Likewise.
5802 * config/fixunstfdi.c: Likewise.
5803 * config/floatditf.c: Likewise.
5805 2006-02-13 Roger Sayle <roger@eyesopen.com>
5808 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5809 into (X,C2) if C1 is a subset of the bits of C2. Transform
5810 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5812 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5814 2006-02-13 Josh Conner <jconner@apple.com>
5817 * varasm.c (function_section): Check for section name before
5818 calling select_section on targets that define
5819 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5820 unlikely_text_section instead of hot_function_section if
5821 first_function_block_is_cold.
5823 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5826 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5828 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5830 PR rtl-optimization/26222
5831 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5832 after tree->rtl expansion.
5833 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5834 before passing it to emit_move_insn.
5836 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5838 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5840 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5841 Clarify documentation.
5842 * c-common.h (warn_write_strings): Remove.
5843 * c-common.c (warn_write_strings): Likewise.
5844 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5847 2006-02-12 Roger Sayle <roger@eyesopen.com>
5850 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5851 (do_jump_parts_zero_rtx): New function renamed from
5852 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5853 (do_jump_parts_equality_rtx): New function split out from
5854 do_jump_parts_equality. Old implementation renamed as above.
5855 Call do_jump_parts_zero_rtx if either operand is zero.
5856 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5857 do all of the heavy lifting.
5858 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5859 calling either do_jump_by_parts_greater_rtx or
5860 do_jump_by_parts_equality_rtx.
5861 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5862 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5863 moved to do_compare_rtx_and_jump, call it directly.
5864 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5865 mode argument. Call do_compare_rtx_and_jump.
5866 (emit_case_nodes): Update calls to do_jump_if_equal.
5868 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5870 PR rtl-optimization/26225
5871 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5873 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5875 PR rtl-optimization/26232
5876 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5878 2006-02-11 Jason Merrill <jason@redhat.com>
5881 * tree-inline.c (declare_return_variable): Just don't use the
5882 modify target if it's a gimple complex reg and the return slot
5885 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5887 * doc/contrib.texi: Update my entry.
5889 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5891 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5893 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5895 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5898 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5900 * doc/invoke.texi (-floop-optimize2): Removed.
5901 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5902 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5903 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5904 * common.opt (floop-optimize2): Removed.
5905 (fmove-loop-invariants): Enabled by default.
5907 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5909 * tree-if-conv.c (combine_blocks): Free the result of
5910 get_loop_exit_edges.
5912 2006-02-10 Jeff Law <law@redhat.com>
5914 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5916 PR tree-optimization/26213
5917 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5918 loop trying to follow SSA_NAME_VALUE chains.
5920 2006-02-10 Richard Guenther <rguenther@suse.de>
5922 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5923 deal with structures that end in implicitly variable sized arrays.
5925 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5927 PR rtl-optimization/24762
5928 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5931 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5933 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5934 (struct ivopts_data): Add regs_used field.
5935 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5936 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5937 instead of loop_data->regs_used;
5938 (free_loop_data): Do not free aux fields for loops.
5939 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5940 and tree_ssa_iv_optimize_finalize.
5942 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5944 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5946 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5949 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5950 computing the effective result type.
5952 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5955 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5956 (tree_overlaps_hard_reg_set): Declare.
5957 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5958 type and signature to match function type expected by walk_tree.
5959 (tree_overlaps_hard_reg_set): New function.
5960 (decl_conflicts_with_clobbers_p): Rename to:
5961 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5962 Use tree_overlaps_hard_reg_set. Changed caller.
5963 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5964 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5965 * cris.c (cris_md_asm_clobbers): Likewise.
5967 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5969 * reload1.c (emit_input_reload_insns): Delete code that tries to
5970 inherit using find_equiv_reg.
5972 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5974 * c-common.h (flag_const_strings): Don't declare.
5975 * c-common.c (flag_const_strings): Remove.
5976 * c.opt (fconst_strings): Remove.
5977 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5978 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5979 (c_common_init_options): Don't set flag_const_strings.
5980 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5982 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5984 * arm.md (tlobits_cbranch): New pattern.
5985 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5986 testing a single bit.
5988 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5991 * tree-ssa-pre.c (create_component_ref_by_pieces):
5992 Handle RETURN_DECL like VAR_DECL.
5994 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5997 * fold-const.c (fold_indirect_ref_1): Fold
5998 "*(foo *)&complexfoo" to "__real__ complexfoo"
5999 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6001 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6003 * tree-flow-inline.h (var_can_have_subvars):
6004 Volatile variables should not have subvariables.
6006 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6009 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6010 multiplying unsigned values.
6013 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6015 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6017 2006-02-08 Jason Merrill <jason@redhat.com>
6020 * tree.def: Elaborate on difference from MODIFY_EXPR.
6021 * doc/c-tree.texi (INIT_EXPR): Likewise.
6022 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6023 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6024 (gimplify_target_expr): Likewise.
6025 (gimplify_cond_expr): Remove target handling.
6026 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6027 (gimplify_expr): Clobber it here.
6028 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6029 Do return slot optimization if we have an INIT_EXPR.
6032 * tree-inline.c (declare_return_variable): Also clear
6033 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6036 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6039 * gimplify.c (gimplify_one_sizepos): Fix typo.
6041 2006-02-08 Jeff Law <law@redhat.com>
6043 PR tree-optimization/21417
6044 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6045 across a backedge if the control statement at the end of the
6046 block is data dependent on other statements in the same block.
6047 (record_temporary_equivalences_from_stmts): Remove over-conservative
6048 test for threading across backedges.
6050 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6051 control statement, handle all three special cases in the same
6052 manner as they all have the same desired solution. No longer
6053 special case edge flag updating when the post dominator is
6056 2006-02-08 Roger Sayle <roger@eyesopen.com>
6058 * tree.def (CHAR_TYPE): Remove.
6059 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6060 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6061 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6062 (gen_string_type_die): Delete unreachable function.
6064 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6065 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6066 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6067 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6068 * builtins.c (type_to_class): Likewise.
6069 * fold-const.c (fold_convert, build_range_check,
6070 merge_ranges): Likewise.
6071 * expr.c (count_type_elements): Likewise.
6072 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6073 * stor-layout.c (layout_type): Likewise.
6074 * ipa-type-escape.c (type_to_consider): Likewise.
6075 * gimplify.c (omp_firstprivatize_type_sizes,
6076 gimplify_type_sizes): Likewise.
6077 * explow.c (promote_mode): Likewise.
6078 * tree-sra.c (is_sra_scalar_type): Likewise.
6079 * varasm.c (output_constant): Likewise.
6080 * tree-inline.c (remap_type_1): Likewise.
6081 * convert.c (convert_to_pointer, convert_to_real,
6082 convert_to_integer, convert_to_complex): Likewise.
6084 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6086 * df-scan.c (df_def_record_1): A set destination may
6087 be a parallel regardless of mode.
6089 2006-02-08 Roger Sayle <roger@eyesopen.com>
6092 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6093 * config/mips/_tilib.c: Remove.
6094 * config/fixtfdi.c: New libgcc source file.
6095 * config/fixunstfdi.c: New source file.
6096 * config/floatditf.c: New source file.
6097 * config/floatunditf.c: New souce file.
6098 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6099 files above instead of config/mips/_tilib.c.
6100 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6102 2006-02-08 Jeff Law <law@redhat.com>
6104 PR tree-optimization/26169
6105 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6108 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6110 * df.h (DF_REG_SIZE): Return the length of the initialized
6113 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6115 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6116 __muldf3): Return a correctly signed zero.
6118 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6120 * passes.c (register_one_dump_file): Accept the current properties
6121 instead of pass number. Adjust call to dump_register. Remove
6123 (register_dump_files): Now a wrapper around...
6124 (register_dump_files_1): ... this one. Do not modify the pass
6126 (next_pass_1): Cosmetic fix.
6127 (execute_todo): Keep second parameter only. Use curr_properties
6128 instead of fetching it from the pass structure. Check and set
6130 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6131 instead of fetching it from the pass structure. Fix calls to
6132 execute_todo. Update curr_properties and initialize .vcg RTL dump
6133 after running the pass. Reset last_verified.
6134 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6136 (FIRST_AUTO_NUMBERED_DUMP): New.
6137 (dump_register): Remove "num" parameter, assign it within the
6139 (get_dump_file_name): Modify template for dumps.
6140 * tree-dump.h (dump_register): Adjust prototype.
6141 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6142 (PROP_trees): Add PROP_gimple_lomp.
6143 (TODO_set_props): New.
6144 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6145 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6146 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6148 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6150 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6151 (sparc64-*-linux*): Likewise.
6152 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6153 * config/sparc/t-linux: New file.
6154 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6155 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6156 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6157 -m32 -mlong-double-128.
6159 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6160 * config/alpha/t-linux: New file.
6161 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6163 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6164 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6165 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6166 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6167 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6168 (CPP_ARCH32_SPEC): Remove.
6170 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6172 PR tree-optimization/26145
6173 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6176 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6179 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6180 >= 240000 when generating code for SOM runtime.
6181 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6182 to $$dyncall when generating code for SOM runtime..
6184 2006-02-07 Dirk Mueller <dmueller@suse.com>
6187 * doc/invoke.texi (-Wsequence-point): Update documentation
6188 that -Wsequence-point is implemented for C++ as well.
6190 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6192 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6193 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6194 (LIB_SPEC): Likewise.
6195 * doc/invoke.texi (SPARC options): Document -pthread.
6197 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6199 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6202 2006-02-07 Roger Sayle <roger@eyesopen.com>
6204 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6205 Correct comment describing BOOLEAN_TYPE.
6207 2006-02-07 Dirk Mueller <dmueller@suse.com>
6209 * c.opt: C++ frontend supports -Wdiv-by-zero.
6210 * c-opts.c (c_common_handle_option): Remove dead case.
6212 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6214 * configure.ac (TLS assembler check): Do not enable TLS by
6215 default on SPARC/Solaris before version 10.
6216 * configure: Regenerate.
6218 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6220 * doc/invoke.texi (xl-compat): Document conversion and support
6223 2006-02-07 Jeff Law <law@redhat.com>
6225 * tree-vrp.c (find_conditional_asserts): Update comments.
6226 (simplify_stmt_for_jump_threading): New.
6227 (identify_jump_threads, finalize_jump_threads): New.
6228 (vrp_finalize): Call identify_jump_threads.
6229 (execute_vrp): Call finalize_jump_threads.
6230 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6231 (vrp_element, vrp_data, vrp_element_p): Remove.
6232 (vrp_hash_elt, vrp_variables_stack): Remove.
6233 (vrp_hash, vrp_eq, record_range): Remove.
6234 (simplify_cond_and_lookup_avail_expr): Remove.
6235 (extract_range_from_cond): Remove.
6236 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6237 (simplify_stmt_for_jump_threading): New.
6238 (dom_thread_across_edge): New wrapper.
6239 (tree_ssa_dominator_optimize): No longer initialize or
6240 finalize any of the VRP datastructures. Remove iteration
6241 step and simplify as a result of removal of iteration step.
6242 (pass_dominator): Perform a cfg cleanup after DOM.
6243 (dom_opt_finalize_block): Use the new common routines
6244 for threading jumps. Simplify stack management slightly.
6245 No longer need to unwind VRP state.
6246 (record_equivalences_from_incoming_edge): No longer record
6248 (eliminate_redundant_computations): No longer call
6249 simplify_cond_and_lookup_avail_expr.
6250 * tree-flow.h (potentially_threadable_block): Prototype.
6251 (thread_across_edge): Likewise.
6252 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6253 (tree-ssa-threadedge.o): Add dependencies.
6254 * tree-ssa-threadedge.c: New file.
6255 * passes.c (init_optimization_passes): Merge PHIs before
6256 calling VRP. Run VRP again late in the SSA optimization pipeline.
6258 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6260 * df-core.c (df_set_blocks): Do not dereference function pointers.
6261 (df_finish1): Likewise.
6262 (df_hybrid_search_forward): Likewise.
6263 (df_hybrid_search_backward): Likewise.
6264 (df_iterative_dataflow): Likewise.
6265 (df_analyze_problem): Likewise.
6266 (df_compact_blocks): Likewise.
6267 (df_dump): Likewise.
6268 * df-scan.c (df_rescan_blocks): Likewise.
6269 (df_record_entry_block_defs): Likewise.
6271 * genconditions.c (write_conditions): Guard the definition of
6272 'insn_conditions' with the check on GCC version.
6273 (write_writer): Guard the traversal 'insn_conditions' with
6274 the check on GCC version.
6276 2006-02-07 Richard Guenther <rguenther@suse.de>
6280 2006-01-30 Richard Guenther <rguenther@suse.de>
6282 * gimplify.c (gimplify_target_expr): Handle easy cases
6283 without creating a temporary.
6285 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6287 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6288 use of float in probability computations. Use edge probabilities
6289 in place of statically computed probabilities.
6290 (min_spec_prob): New static variable.
6291 (schedule_insns): Initialize it.
6292 (GET_SRC_PROB): Removed.
6293 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6295 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6298 * config/ia64/unwind-ia64.c: Revert last change.
6299 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6300 (INCOMING_FRAME_SP_OFFSET): Define.
6302 2006-02-06 Roger Sayle <roger@eyesopen.com>
6304 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6306 2006-02-07 Ben Elliston <bje@au.ibm.com>
6308 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6309 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6310 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6311 (ix86_return_in_memory): Handle TDmode.
6312 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6313 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6315 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6317 * reorg.c (dbr_schedule): Use dump_file instead of file.
6319 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6322 * config/ia64/predicates.md (extr_len_operand): New predicate.
6323 * config/ia64/ia64.md (extv): Tighten constraints.
6325 (*tbit_and_2): Ditto.
6326 (*tbit_and_3): Ditto.
6327 (*tbit_or_2): Ditto.
6328 (*tbit_or_3): Ditto.
6332 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6335 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6337 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6339 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6340 loop_optimizer_init and loop_optimizer_finalize
6341 * tree-ssa-sink.c (execute_sink_code): Ditto.
6342 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6343 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6344 tree_ssa_loop_done): Ditto.
6345 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6346 * sched-ebb.c: Include output.h.
6347 (schedule_ebbs): Do not use dump argument.
6348 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6349 * loop.c (loop_dump_stream): Removed.
6350 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6352 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6353 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6354 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6355 loop_iterations, strength_reduce, record_biv, record_giv,
6356 final_giv_value, check_final_value, check_ext_dependent_givs,
6357 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6358 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6359 dump_file instead of loop_dump_stream.
6360 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6362 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6364 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6365 * haifa-sched.c: Include output.h
6366 (schedule_insns, sched_init): Do not use dump argument.
6367 * mode-switching.c (optimize_mode_switching): Ditto.
6368 * modulo-sched.c (stats_file): Removed.
6369 (print_node_sched_params): Do not call argument dump_file.
6370 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6371 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6373 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6375 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6376 rtl_loop_init, rtl_loop_done): Ditto.
6377 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6378 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6380 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6381 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6382 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6383 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6384 * emit-rtl.c (renumber_insns): Ditto.
6385 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6386 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6387 * regclass.c (regclass): Ditto.
6388 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6389 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6390 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6391 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6393 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6394 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6396 * gcse.c (gcse_file, debug_stderr): Removed.
6397 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6398 rest_of_handle_gcse): Do not use dump argument.
6399 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6400 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6401 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6402 compute_code_hoist_vbeinout, compute_code_hoist_data,
6403 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6404 compute_store_table, build_store_vectors, insert_insn_start_bb,
6405 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6406 store_motion): Use dump_file instead of gcse_file.
6407 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6408 * profile.c (profile_dump_file): Removed.
6409 (branch_prob): Use dump_file instead of profile_dump_file.
6410 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6412 * tree-ssa-copy.c (dump_copy_of): Ditto.
6413 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6414 dump file to life_analysis.
6415 * bt-load.c (branch_target_load_optimize): Ditto.
6416 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6418 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6419 regclass, dbr_schedule): Declaration changed.
6420 * sched-int.h (sched_init): Declaration changed.
6421 * tree-profile.c (tree_profile_dump_file): Removed.
6422 (tree_profile_hooks): Removed profile_dump_file hook.
6423 * rtl-profile (rtl_profile_dump_file): Removed.
6424 (rtl_profile_hooks): emoved profile_dump_file hook.
6425 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6427 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6428 * tree-cfg.c (build_tree_cfg): Ditto.
6429 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6430 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6431 Declaration changed.
6432 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6433 life_analysis and schedule_insns.
6434 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6436 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6438 * config/mips/mips.c (mips_reorg): Ditto.
6439 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6442 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6444 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6445 (s390_mangle_fundamental_type): New.
6446 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6449 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6450 (alpha_mangle_fundamental_type): New.
6451 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6454 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6456 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6458 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6459 (sparc_mangle_fundamental_type): New.
6461 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6463 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6464 (s390x-*-linux*): Likewise.
6465 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6466 * config/s390/t-linux: New file.
6468 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6470 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6471 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6473 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6475 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6476 (ANTIC_SAFE_LOADS): New macro.
6477 (find_or_generate_expression): Add prototype.
6478 (set_contains_value): Allow null set for sake of not always having
6479 to allocate ANTIC_SAFE_LOADS.
6480 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6481 Allow COMPONENT_REF too.
6482 (valid_in_set): Allow COMPONENT_REF.
6483 Check ANTIC_SAFE_LOADS too.
6484 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6485 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6487 (can_PRE_operation): Add COMPONENT_REF.
6488 (create_component_ref_by_pieces): New function.
6489 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6490 (insert_aux): Move AGGREGATE_TYPE_P check here.
6491 (compute_avail): Set bb local stmt uids.
6492 (pass_pre): Use TODO_update_ssa_only_virtuals.
6494 2006-02-06 Ben Elliston <bje@au.ibm.com>
6496 * configure.ac: Unconditionally disable decimal float by default.
6497 * configure: Regenerate.
6499 2006-02-06 Ben Elliston <bje@au.ibm.com>
6501 * read-rtl.c (read_name): Terminate reading on EOF.
6503 2006-02-06 Ben Elliston <bje@au.ibm.com>
6505 * dfp.c (decimal_real_arithmetic): Change second argument type
6506 from int to enum tree_code. Do not always return true, but now
6507 return result of any call to decimal_do helper functions.
6508 * dfp.h (decimal_real_arithmetic): Update prototype.
6510 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6512 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6514 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6517 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6520 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6522 * tree-vrp.c (cfg_loops): Removed.
6523 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6524 Use current_loops instead of cfg_loops. Pass flags to
6525 loop_optimizer_init.
6526 * cfgloopmanip.c (fix_loop_structure): Update only available
6528 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6529 loop_optimizer_init.
6530 * modulo-sched.c (build_loops_structure): Removed.
6531 (sms_schedule): Use loop_optimizer_init.
6532 * loop-init.c (loop_optimizer_init): Use flags to determine
6533 which properties of loops to prepare.
6534 (rtl_loop_init): Pass flags to loop_optimizer_init.
6535 * tree-ssa-sink.c (execute_sink_code): Ditto.
6536 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6537 * tree-ssa-pre.c (init_pre): Ditto.
6538 * cfgloop.h (LOOPS_NORMAL): New.
6539 (loop_optimizer_init): Declaration changed.
6541 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6543 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6544 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6546 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6548 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6550 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6551 * pa/t-pa64: Delete quadlib.c rule.
6552 * pa/x-ada: Revert last change.
6553 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6555 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6557 PR rtl-optimization/26087
6558 * rtlanal.c (canonicalize_condition): Do not cross basic block
6561 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6564 * config/ia64/ia64.c: Include debug.h.
6565 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6566 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6567 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6568 (process_epilogue, process_set, process_for_unwind_directive):
6569 Output unwind info only if requested. Add CFA info if requested.
6570 Add new arguments as needed. Adjust callers.
6571 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6573 (DWARF2_FRAME_INFO): Define to zero.
6574 * config/ia64/unwind-ia64.c: Remove code that compensated for
6575 the CFA offset error fixed above.
6576 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6577 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6578 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6579 -funwind-tables and -fexceptions to enable frame info.
6580 (dwarf2out_frame_init): Define initial CFA even if
6581 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6582 DWARF2_UNWIND_INFO is nonzero, not just defined.
6583 (dwarf2out_frame_finish): Output non-EH call frame info only
6584 if DWARF2_FRAME_INFO is nonzero.
6585 (convert_cfa_to_loc_list,
6586 compute_frame_pointer_to_cfa_displacement): Define even if
6587 unwind info is not supported.
6588 (gen_subprogram_die): Use the above unconditionally. Remove
6589 legacy alternate code.
6590 * toplev.c (compile_file): Compile in call to
6591 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6592 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6594 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6595 Jakub Jelinek <jakub@redhat.com>
6597 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6598 IBM extended float format long double as "g" on powerpc*-linux.
6600 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6603 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6604 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6606 2006-02-03 Jason Merrill <jason@redhat.com>
6609 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6612 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6613 on the return slot if it's an NRV.
6615 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6617 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6618 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6619 rewrite_use): Do not handle USE_OUTER.
6620 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6621 add_iv_outer_candidates, may_replace_final_value,
6622 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6623 (find_interesting_uses_op): Functionality of
6624 find_interesting_uses_outer_or_nonlin moved here.
6625 (find_interesting_uses_outside): Use find_interesting_uses_op.
6627 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6630 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6632 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6633 Ulrich Weigand <uweigand@de.ibm.com>
6636 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6637 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6638 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6639 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6641 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6642 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6643 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6644 Define secondary reloads for TFmode moves.
6645 (constant_modes): Add TFmode.
6646 (NR_C_MODES): Set to 8.
6647 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6649 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6650 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6651 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6652 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6653 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6654 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6655 (FPR mode macro): Add TFmode.
6656 (DSF mode macro): New.
6657 (<de>, <dee> mode attributes): Removed.
6658 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6659 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6660 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6661 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6662 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6663 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6664 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6665 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6666 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6667 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6668 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6669 "*negabs<mode>2", "sqrt<mode>2"):
6670 Changed <de> to <xde>. R constraint replaced by <Rf>.
6671 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6673 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6674 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6675 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6677 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6678 "extenddftf2", "extendsftf2"): New expanders.
6679 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6680 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6681 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6682 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6684 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6685 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6686 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6687 __floatditf): Add a GCC_4.1.0 symbol version tag.
6688 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6691 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6694 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6695 Use targetm.binds_local_p instead of TREE_PUBLIC.
6697 2006-02-02 Roger Sayle <roger@eyesopen.com>
6699 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6700 on INTEGER_TYPEs to indicate that it denotes a character type.
6701 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6702 signed_char_type_node, unsigned_char_type_node and char_type_node.
6703 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6704 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6705 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6707 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6708 Daniel Berlin <dberlin@dberlin.org>
6710 * tree-tailcall.c (arg_needs_copy_p): New function.
6711 (eliminate_tail_call): Use arg_needs_copy_p.
6712 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6713 (add_virtual_phis): New function.
6715 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6717 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6718 #ignore instead of #scratch for %g7 .register directive.
6720 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6722 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6725 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6727 * flow.c (calculate_global_regs_live): Assert that there aren't any
6730 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6732 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6734 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6735 bsi_after_labels iterator.
6736 * tree-if-conv.c (find_phi_replacement_condition,
6737 replace_phi_with_cond_modify_expr): Likewise.
6738 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6739 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6741 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6743 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6745 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6748 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6749 array after growing it.
6751 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6754 * fold-const.c (fold_checksum_tree): Change type of buf.
6756 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6758 * reload.c (push_secondary_reload): Initialize t_icode.
6760 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6762 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6763 -msoft-float -mlong-double-128 only issue a warning, but don't
6764 swich to DFmode long double.
6766 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6768 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6769 has a constant equivalent, iterate over equivalents for arg0,
6770 calling simplify_relational_operation and if there's a result
6771 cheaper than X, apply fold_rtx and return the result.
6773 2006-02-01 Jan Hubicka <jh@suse.cz>
6775 * opts.c (no_unit_at_a_time_default): New global variable.
6776 (decode_options): Use it.
6777 * opts.h (no_unit_at_a_time_default): Declare.
6779 2006-02-01 Paul Brook <paul@codesourcery.com>
6781 * function.c (assign_parm_setup_reg): Use function argument promotion
6783 * expr.c (expand_expr_real_1): Use function argument promotion rules
6786 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6788 * gcc.c (process_command): Change j to 'unsigned int'.
6790 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6793 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6794 Use the corrected index for the character
6795 out of the string constant.
6797 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6799 * mode-switching.c (optimize_mode_switching): Fix size
6800 allocated for bb_info[n_entities].
6802 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6804 * gcc.c (main): Correct type that is allocated for
6805 explicit_link_files.
6807 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6809 * config/s390/s390.c (init_alignment_context): Set
6810 ALIAS_SET_MEMORY_BARRIER on the MEM.
6811 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6813 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6816 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6818 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6821 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6823 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6824 * regrename.c: Ditto.
6825 * tree-ssa-loop-im.c: Ditto.
6826 * tree-dump.c: Ditto.
6827 * tree-complex.c: Ditto.
6828 * genrecog.c: Ditto.
6829 * tree-ssa-threadupdate.c: Ditto.
6831 * java/class.c: Ditto.
6832 * java/jcf-parse.c: Ditto.
6833 * java/resource.c: Ditto.
6834 * java/except.c: Ditto.
6835 * java/jvspec.c: Ditto.
6836 * java/jcf-write.c: Ditto.
6837 * java/jcf-path.c: Ditto.
6838 * java/gjavah.c: Ditto.
6839 * java/zextract.c: Ditto.
6840 * java/jcf-io.c: Ditto.
6841 * java/jcf.h: Ditto.
6842 * java/buffer.c: Ditto.
6843 * java/lang.c: Ditto.
6844 * java/parse-scan.y: Ditto.
6845 * java/lex.c: Ditto.
6846 * java/lex.h: Ditto.
6847 * cfgloopmanip.c: Ditto.
6848 * postreload-gcse.c: Ditto.
6849 * tree-ssa-loop-manip.c: Ditto.
6850 * postreload.c: Ditto.
6851 * tree-ssa-loop-ch.c: Ditto.
6855 * diagnostic.c: Ditto.
6857 * genoutput.c: Ditto.
6859 * cfghooks.c: Ditto.
6860 * cfgloopanal.c: Ditto.
6861 * objc/objc-act.c: Ditto.
6863 * genextract.c: Ditto.
6864 * genautomata.c: Ditto.
6865 * pretty-print.c: Ditto.
6867 * cgraphunit.c: Ditto.
6870 * haifa-sched.c: Ditto.
6871 * dominance.c: Ditto.
6873 * tree-ssa-loop-ivopts.c: Ditto.
6875 * mode-switching.c: Ditto.
6876 * modulo-sched.c: Ditto.
6878 * ipa-pure-const.c: Ditto.
6880 * fix-header.c: Ditto.
6882 * tree-stdarg.c: Ditto.
6883 * ipa-utils.c: Ditto.
6884 * loop-init.c: Ditto.
6885 * ipa-inline.c: Ditto.
6888 * alloc-pool.c: Ditto.
6889 * dwarf2out.c: Ditto.
6891 * genattrtab.c: Ditto.
6892 * tree-ssa-loop-ivcanon.c: Ditto.
6896 * fortran/gfortranspec.c: Ditto.
6898 * local-alloc.c: Ditto.
6899 * langhooks.c: Ditto.
6900 * function.c: Ditto.
6901 * tree-vectorizer.c: Ditto.
6903 * ipa-type-escape.c: Ditto.
6905 * tree-if-conv.c: Ditto.
6908 * tree-data-ref.c: Ditto.
6909 * loop-unroll.c: Ditto.
6910 * treelang/treetree.c: Ditto.
6913 * ggc-common.c: Ditto.
6915 * coverage.c: Ditto.
6917 * tree-cfgcleanup.c: Ditto.
6918 * tree-ssa-pre.c: Ditto.
6919 * cfgcleanup.c: Ditto.
6920 * loop-invariant.c: Ditto.
6922 * ipa-prop.c: Ditto.
6923 * print-tree.c: Ditto.
6924 * conflict.c: Ditto.
6925 * ggc-page.c: Ditto.
6926 * sched-deps.c: Ditto.
6927 * regclass.c: Ditto.
6928 * tree-object-size.c: Ditto.
6930 * bb-reorder.c: Ditto.
6931 * resource.c: Ditto.
6932 * var-tracking.c: Ditto.
6934 * df-problems.c: Ditto.
6935 * reg-stack.c: Ditto.
6938 * sched-rgn.c: Ditto.
6939 * tree-ssa-structalias.c: Ditto.
6940 * tree-ssa-reassoc.c: Ditto.
6941 * config/darwin-c.c: Ditto.
6942 * config/darwin.c: Ditto.
6943 * config/arm/arm.c: Ditto.
6945 * collect2.c: Ditto.
6948 2006-01-31 Nicolas Pitre <nico@cam.org>
6950 * arm.md (smaxsi3): Make aware of smax_m1.
6953 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6955 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6957 2006-01-31 Richard Guenther <rguenther@suse.de>
6959 * doc/invoke.texi (-msselibm): Document.
6960 * target.h (expand_library_builtin): New target hook.
6961 * builtins.c (expand_builtin): Use expand_library_builtin.
6962 (default_expand_library_builtin): New function.
6963 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6964 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6965 (link_gcc_math_spec): Declare.
6966 (static_specs): Add link_gcc_math_spec.
6967 * expr.h (default_expand_library_builtin): Declare.
6968 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6969 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6970 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6971 * config/i386/i386.opt (msselibm): New target option.
6972 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6973 (ix86_init_sse_abi_builtins): New function.
6974 (ix86_expand_library_builtin): Likewise.
6975 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6976 (override_options): Handle error conditions wrt -msselibm.
6977 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6978 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6979 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6982 2006-01-31 Richard Guenther <rguenther@suse.de>
6983 Paolo Bonzini <bonzini@gnu.org>
6985 * doc/install.texi (--disable-libgcc-math): Document.
6987 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6989 * expr.h (expand_normal): new inline function.
6990 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6992 * dwarf2out.c: use it.
6997 * config/sparc/sparc.c: use it.
6998 * config/i386/i386.c: use it.
6999 * config/rs6000/rs6000.c: use it.
7000 * config/arm/arm.c: use it.
7001 * config/mips/mips.c: use it.
7002 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7004 2006-01-30 Roger Sayle <roger@eyesopen.com>
7006 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7007 argv to the appropriate type.
7009 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7011 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7014 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7017 * config/s390/s390.c (struct machine_function): New flag
7018 decomposed_literal_pool_addresses_ok_p.
7019 (s390_reorg): Set it before final stage of literal pool transforms.
7020 (s390_decompose_address): Only accept displacements of the form
7021 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7023 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7025 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7026 the comparison routine return.
7028 2006-01-30 Michael Matz <matz@suse.de>
7030 * global.c (find_reg): Only evict for global regs.
7031 Take n_refs into account and dump more info.
7033 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7036 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7037 (pragma_trap, pragma_nosave_low_regs): Likewise.
7038 (current_function_anonymous_args): Likewise.
7039 (sh_deferred_function_attributes): New variable.
7040 (sh_deferred_function_attributes_tail): Likewise.
7041 (print_operand): For '@', look up trap_exit attribute.
7042 (calc_live_regs): Look up trapa_handler attribute. For trapa
7043 handlers, save/restore fpscr, but don't do any other
7044 interrupt-specific saves.
7045 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7046 Fix check for partially saved registers to check for SHmedia.
7047 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7048 (sh_output_function_epilogue): Don't clear any of the removed
7050 (sh_insert_attributes): Don't check pragma_interrupt.
7051 Insert deferred attributes. Check that interrupt attribute is
7052 present for other attributes that require its presence.
7053 (sh_attribute_table): Add new attributes trapa_handler and
7055 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7056 Don't check for pragma_interrupt. Don't store argument.
7057 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7058 (sh_deferred_function_attributes): Declare.
7059 (sh_deferred_function_attributes_tail): Likewise.
7060 * sh.md (sp_switch_1): Add operand. Change generator caller.
7061 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7062 (*return_i): Don't use when trap_exit attribute is in effect.
7063 (*return_trapa): New insn pattern.
7065 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7066 setting c_target_objs and cxx_target_objs.
7067 * t-sh: Add rule for sh-c.o.
7069 2006-01-30 Richard Guenther <rguenther@suse.de>
7072 * gimplify.c (gimplify_target_expr): Handle easy cases
7073 without creating a temporary.
7075 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7077 * vec.h (safe_grow): Remove duplicated line.
7079 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7082 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7083 (expand_omp): ... here.
7084 (expand_omp_parallel): Only remove barriers for combined
7085 parallel+workshare constructs.
7087 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7091 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7092 * tree.c (build_qualified_type): Chain the new type to the original
7093 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7094 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7095 (build_pointer_type_for_mode): Only return unqualified types.
7096 (build_reference_type_for_mode): Likewise.
7098 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7100 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7101 * Makefile.in (CXX_COMPAT_WARN): Define.
7102 * configure: Regenerate.
7104 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7107 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7110 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7112 * toplev.c: Fix thinko.
7114 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7115 Marcin Dalecki <martin@dalecki.de>
7117 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7118 (push_srcloc): Use XNEW.
7119 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7121 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7123 * df-core.c (df_set_blocks): Deleted all variable.
7125 2006-01-28 Ian Lance Taylor <ian@airs.com>
7127 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7128 cgraph_output_pending_asms.
7130 2006-01-28 Zack Weinberg <zackw@panix.com>
7132 * c.opt: Add -W(no-)overlength-strings.
7133 * doc/invoke.texi: Document it.
7134 * c-opts.c (c_common_handle_option): -pedantic implies
7135 -Woverlength-strings, if not explicitly disabled already.
7136 (c_common_post_options): -Woverlength-strings defaults to off, and
7137 is always off for C++.
7138 * c-common.c (fix_string_type): Issue warning about strings longer
7139 than is portable only if warn_overlength_strings. Rearrange code
7140 a little for clarity.
7141 * configure.in: Check for -Wno-overlength-strings as well before
7142 enabling -pedantic in stage 1.
7143 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7144 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7146 * genconditions.c (write_header, write_one_condition)
7147 (write_conditions, write_writer): Consolidate very long strings
7148 that were broken up to fit in C89 portable limit. Don't use
7149 printf when fputs will do.
7151 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7153 * combine.c (simplify_comparison <AND>): Check
7154 TRULY_NOOP_TRUNCATION before start using a subreg.
7156 * config/mips/mips.md (*branch_zero<mode>,
7157 *branch_zero<mode>_inverted, *branch_equality<mode>,
7158 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7159 Remove mode check from comparisons.
7161 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7163 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7165 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7167 * expmed.c (const_mult_add_overflow_p): Remove.
7168 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7170 * recog.c (validate_replace_rtx_subexp): Remove.
7171 * recog.h: Remove the prototype for
7172 validate_replace_rtx_subexp.
7174 * integrate.h: Remove the prototype for
7175 copy_decl_for_inlining.
7176 * rtl.h: Remove the prototype for mark_constant_function.
7177 * tree-vectorizer.h: Remove the prototype for
7178 vect_strip_conversion.
7180 * modulo-sched.c (create_partial_schedule,
7181 free_partial_schedule, reset_partial_schedule): Make them
7184 * hooks.c (hook_bool_rtx_int_false): Remove.
7185 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7187 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7189 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7190 and -mlong-double-128 are incompatible.
7191 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7192 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7193 (TARGET_LIBGCC2_CFLAGS): Define.
7194 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7195 (TARGET_LIBGCC2_CFLAGS): Same.
7196 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7198 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7201 * c-typeck.c (build_binary_op): Perform implicit casts of
7202 operands before shortening them.
7204 * cfgloopmanip.c (split_loop_bb): Remove.
7205 * cfgloop.h: Remove the prototype for split_loop_bb.
7207 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7208 * cfgloop.h: Remove the prototype for
7209 flow_loop_outside_edge_p.
7211 * emit-rtl.c (init_virtual_regs): Make it static.
7212 * function.h: Remove the prototype for init_virtual_regs.
7214 * recog.c (peephole2_optimize): Make it static.
7215 * recog.h: Remove the prototype for peephole2_optimize.
7217 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7219 * df-scan.c (df_record_entry_block_defs): Check if
7220 INCOMING_RETURN_ADDR_RTX is defined.
7222 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7223 Kenneth Zadeck <zadeck@naturalbridge.com>
7225 PR rtl-optimization/24762
7226 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7227 * targhooks.c (hook_void_bitmap): New hook prototype.
7228 * targhoohs.h (hook_void_bitmap): Ditto.
7229 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7230 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7231 * target.h (live_on_entry): New function pointer.
7232 * df-scan.c (df_all_hard_regs): Removed.
7233 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7234 (df_scan_free_internal): Added df->entry_block_defs.
7235 (df_scan_alloc): Ditto.
7236 (df_scan_dump): Ditto.
7237 (df_uses_record): Plumbed flag field properly thru calls.
7238 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7239 This part fixes PR24762.
7240 (df_bb_refs_record): Added code to make the frame and arg
7241 pointers live in EH blocks.
7242 (df_refs_record): Added call to df_record_entry_block_defs.
7243 (df_record_entry_block_defs): New function.
7244 * df-core.c: Added comments to describe new artifical defs.
7245 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7246 (entry_block_defs): New field in struct df.
7247 (df_all_hard_regs): Deleted.
7248 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7249 * df-problems.c (df_ru_bb_local_compute_process_def):
7250 Added code to handle artifical defs in the entry to a function.
7251 (df_ru_bb_local_compute): Ditto.
7252 (df_rd_bb_local_compute_process_def): Ditto.
7253 (df_rd_bb_local_compute): Ditto.
7254 (df_lr_bb_local_compute): Ditto.
7255 (df_ur_bb_local_compute): Ditto.
7256 (df_urec_bb_local_compute): Ditto.
7257 (df_chain_create_bb): Ditto.
7258 (df_ur_local_finalize): Removed entry.
7259 (df_urec_init): Ditto.
7260 (df_urec_local_finalize): Ditto.
7261 (df_ri_bb_compute): Added detection of last use of pseudos.
7262 * Makefile.in (df-scan.o): Updated dependencies.
7263 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7264 * config/mips/mips.c (mips_set_live_on_entry): Added.
7265 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7267 * dce.c (marked_insn_p): Added code to handle artifical defs.
7269 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7271 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7273 (_mm_cvtsi128_si64): Likewise.
7274 (_mm_cvtsd_si64): Likewise.
7275 (_mm_cvttsd_si64): Likewise.
7276 (_mm_cvtsi64_sd): Likewise.
7277 (_mm_cvtsi64_si128): Likewise.
7278 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7279 (_mm_cvtsi64_m64): Likewise.
7280 (_m_to_int64): Likewise.
7281 (_mm_cvtm64_si64): Likewise.
7282 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7283 (_mm_cvttss_si64): Likewise.
7284 (_mm_cvtsi64_ss): Likewise.
7285 (_mm_cvtss_f32): Likewise.
7287 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7289 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7290 for pragma redefine_extname.
7292 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7295 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7296 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7297 -mno-minimal-toc to previous content.
7298 (bispecs): Remove goal.
7299 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7300 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7301 compatibility aliases on powerpc-*-*gnu*.
7302 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7303 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7304 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7305 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7306 (ldblspecs): New goal.
7307 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7308 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7310 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7311 L_sf_to_tf or L_df_to_tf is defined.
7313 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7314 Alan Modra <amodra@bigpond.net.au>
7317 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7318 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7319 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7320 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7321 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7322 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7323 (rs6000_override_options): Initialize rs6000_ieeequad.
7324 Initialize TFmode format to ibm_extended_format if not
7326 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7328 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7329 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7330 (function_arg_advance): IBM long double passed in two FPRs, not
7332 (function_arg): IBM long double passed in FPRs.
7333 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7334 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7335 Only multireg GPR aligned.
7336 (rs6000_init_libfuncs): Enable IBM long double functions if not
7338 (rs6000_generate_compare): Use IBM long double compare if not
7340 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7341 (TARGET_IEEEQUAD): Define.
7342 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7343 not TARGET_IEEEQUAD.
7344 * config/rs6000/rs6000.md: Enable TFmode patterns if
7346 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7347 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7348 and -mlong-double-128 are incompatible.
7349 * doc/invoke.texi (-mabi): Collect options together. Add
7350 ibmlongdouble and ieeelongdouble.
7352 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7354 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7356 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7357 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7358 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7359 * rtl.h (rtunion_def): Remove rt_ptr.
7361 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7362 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7363 * config/i386/winnt.c (i386_pe_mark_dllexport)
7364 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7366 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7368 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7370 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7374 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7375 pthread_key_delete. From John David Anglin. gthrw-ify
7376 pthread_getunique_np only if it it's not a macro. Delete
7378 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7379 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7380 __gthread_objc_condition_signal, __gthread_key_delete): Add
7381 "__attribute__ ((__unused__))" to unused arguments.
7382 (__gthread_recursive_mutex_init_function): Add missing return.
7383 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7384 gthr-posix95.h: Use macro-based approach for name redirection
7385 on targets missing weakref.
7387 2006-01-26 Zack Weinberg <zackw@panix.com>
7389 * genconditions.c (write_header): In generated code, #ifdef out
7390 all includes and fake declarations, except includes of bconfig.h
7391 and system.h, unless GCC_VERSION >= 3001. Do not include
7392 gensupport.h in any case.
7393 (write_conditions): Generate a definition of struct c_test. Add
7394 a comment to the generated #endif.
7395 (write_one_condition): Escape backslashes in string too.
7396 (write_writer): Generated code must escape backslashes and quote
7397 marks (but not newlines) in the strings it writes.
7398 * Makefile.in (build/gencondmd.o): Update dependencies.
7400 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7403 * Makefile.in (insn-automata.o): Add header file dependencies.
7404 * genautomata.c: Add includes.
7406 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7409 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7411 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7413 * configure.ac: Expect target tools paths to be passed from the toplevel
7414 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7416 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7418 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7421 * c.opt (Wpointer-sign): Init to -1.
7422 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7423 OPT_pedantic, to 0 otherwise.
7424 * doc/invoke.texi: Update.
7426 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7428 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7429 constants provided by 80387 instructions in the destination mode.
7431 2006-01-26 Richard Guenther <rguenther@suse.de>
7432 Andrew Pinski <pinskia@physics.uc.edu>
7435 partial PR tree-opt/17064
7436 * tree-ssa-structalias.c (intra_create_variable_infos):
7437 Create heap variables for incoming parameters if
7438 flag_argument_noalias > 1.
7439 (find_what_p_points_to): Look through default defs of
7442 2006-01-26 Jeff Law <law@redhat.com>
7445 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7446 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7447 within the VR_RANGE, use the VR_RANGE as the result, not the
7449 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7450 bounds for the type.
7452 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7454 * tree-ssa-alias.c (maybe_create_global_var): Change
7455 subvar walking to an assertion that we don't have subvar'd variables.
7457 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7460 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7461 Use a new variable, inner. PARM_DECLs are always non-weak.
7463 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7465 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7468 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7470 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7472 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7474 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7475 (smax_insn, smin_insn, smax_0, smin_0): New.
7477 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7480 * config/cris/cris.c (cris_order_for_addsi3): New function.
7481 * config/cris/cris-protos.h: Prototype it.
7482 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7483 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7484 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7485 (split for "op.S1 [rx=rx+i],ry (swapped)")
7486 (split for "op(s|u).S1 [rx=rx+i],ry")
7487 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7488 Apply cris_order_for_addsi3 when generating addsi3 insns.
7490 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7492 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7493 (TREE_BLOCK): Add call to EXPR_CHECK.
7495 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7498 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7499 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7500 (dump_omp_clauses): ... here.
7501 (dump_generic_node): Handle OMP_CLAUSE.
7502 * tree.c (omp_clause_num_ops): New.
7503 (omp_clause_code_name): New.
7504 (tree_code_size): Handle OMP_CLAUSE.
7505 (tree_size): Likewise.
7506 (make_node): Document handling of OMP_CLAUSE.
7507 (tree_node_structure): Handle OMP_CLAUSE.
7508 (omp_clause_check_failed): New.
7509 (omp_clause_range_check_failed): New.
7510 (omp_clause_operand_check_failed): New.
7511 (build_omp_clause): New.
7512 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7513 * tree.h (enum omp_clause_code): Declare.
7514 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7515 (OMP_CLAUSE_RANGE_CHECK): Define.
7516 (OMP_CLAUSE_ELT_CHECK): Define.
7517 (omp_clause_check_failed): Declare.
7518 (omp_clause_operand_check_failed): Declare.
7519 (omp_clause_range_check_failed): Declare.
7520 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7521 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7522 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7523 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7524 (OMP_CLAUSE_IF_EXPR): Likewise.
7525 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7526 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7527 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7528 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7529 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7530 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7531 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7532 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7533 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7534 (OMP_CLAUSE_CODE): Define.
7535 (OMP_CLAUSE_SET_CODE): Define.
7536 (OMP_CLAUSE_CODE): Define.
7537 (OMP_CLAUSE_OPERAND): Define.
7538 (struct tree_omp_clause): Declare.
7539 (union tree_node): Add field 'omp_clause'.
7540 * treestruct.def (TS_OMP_CLAUSE): Define.
7541 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7542 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7543 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7544 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7545 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7546 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7547 (OMP_CLAUSE): Define.
7548 * print-tree.c (print_node): Handle OMP_CLAUSE.
7549 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7550 * c-typeck.c: Likewise.
7551 * gimplify.c: Likewise.
7552 * c-omp.c: Likewise.
7553 * tree-nested.c: Likewise.
7554 * tree-inline.c: Likewise.
7555 * c-parser.c: Likewise.
7556 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7559 2006-01-25 Roger Sayle <roger@eyesopen.com>
7561 PR rtl-optimization/25703
7562 * combine.c (try_combine): Handle zero_extract and strict_low_part
7563 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7565 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7567 * global.c: Fix comment typos.
7569 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7572 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7573 Use output_addr_const instead of assemble_name.
7575 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7577 * Makefile.in (sched-vis.o): Update dependencies.
7578 * haifa-sched.c (sched_finish): Clear current_sched_info.
7579 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7580 (dump_flow_info): Call it.
7581 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7583 * basic-block.h (dump_bb_info): Declare.
7584 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7585 option, and apply options only for dump files whose TDF_RTL,
7586 TDF_TREE, or TDF_IPA bits match.
7587 * rtl.h: Declare new functions exported from sched-vis.c.
7588 * sched-vis.c: Enable also if scheduling is not used.
7589 (print_value): Print the mode of registers if not inside scheduling.
7590 (print_insn): Make it work outside the scheduler. Beautify the output
7592 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7594 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7596 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7597 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7598 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7599 depending on the value of CONSTANT_POOL_ADDRESS_P.
7600 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7602 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7603 rather than SYMBOL_REF_DECL.
7604 (rtx_constant_pool): Remove const_rtx_sym_htab.
7605 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7606 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7607 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7608 Remove handling of const_rtx_sym_htab.
7609 (find_pool_constant): Delete.
7610 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7611 rather than find_pool_constant.
7612 (get_pool_constant_for_function): Delete.
7613 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7615 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7616 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7617 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7618 (SYMBOL_REF_CONSTANT): New macro.
7619 (get_pool_constant_for_function): Delete.
7620 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7621 rather than SYMBOL_REF_DECL.
7622 (i386_pe_mark_dllimport): Likewise.
7623 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7624 rather than SYMBOL_REF_DECL.
7625 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7626 (machopic_indirect_call_target): Likewise.
7628 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7630 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7632 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7634 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7636 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7638 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7640 2006-01-24 David Daney <ddaney@avtrex.com>
7643 * configure.ac (enable_tls): New enable option.
7644 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7645 * configure: Regenerate.
7646 * doc/install.texi (--enable-tls): Document new option.
7647 (--disable-tls): Ditto.
7649 2006-01-24 Richard Henderson <rth@redehat.com>
7651 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7652 * alias.c (true_dependence): Respect it.
7653 (canon_true_dependence, write_dependence_p): Likewise.
7654 * builtins.c (get_builtin_sync_mem): Set it.
7656 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7658 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7661 2006-01-24 DJ Delorie <dj@redhat.com>
7663 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7664 for storing constants in single-bit bitfields.
7666 2006-01-25 Ben Elliston <bje@au.ibm.com>
7668 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7670 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7673 * tree-ssa-pre.c (phi_translate): Return NULL
7674 for AGGREGATE_TYPE's.
7676 2006-01-24 Zack Weinberg <zackw@panix.com>
7678 * genautomata.c (process_state_for_insn_equiv_partition):
7679 Use xcalloc for insn_arcs_array.
7680 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7681 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7683 2006-01-24 Richard Henderson <rth@redhat.com>
7685 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7688 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7690 PR rtl-optimization/25890
7691 PR rtl-optimization/25905
7692 * combine.c (expand_compound_operation, expand_field_assignment):
7693 Fail if the bitfield's final position is out of bounds.
7695 2006-01-24 Ian Lance Taylor <ian@airs.com>
7698 * cgraphunit.c (cgraph_output_in_order): Don't clear
7699 cgraph_asm_nodes until after asm strings have been output.
7701 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7703 * fix-header.c (read_scan_file): Add new parameter imultilib when
7704 calling register_include_chains.
7706 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7708 * omp-low.c: Update documentation.
7710 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7711 Daniel Berlin <dberlin@dberlin.org>
7715 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7716 return from the function.
7718 2006-01-22 Zack Weinberg <zackw@panix.com>
7720 * rtl.def (match_code): Add second argument.
7721 * genpreds.c (write_extract_subexp): New function.
7722 (write_match_code): Add path argument. Use write_extract_subexp.
7723 (write_predicate_expr): Pass path to write_match_code.
7724 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7725 not perform a mode test.
7726 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7727 a subexpression does not constrain the top-level code set.
7728 * read-rtl.c (read_rtx_variadic): New function.
7729 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7730 * doc/md.texi: Document new notation.
7731 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7732 (cmpsi_operand): ... here, using new notation.
7734 2006-01-22 Zack Weinberg <zackw@panix.com>
7736 * varray.c: Remove GENERATOR_FILE #ifdefs.
7738 2006-01-22 Zack Weinberg <zackw@panix.com>
7740 * genautomata.c (output_reserved_units_table): Emit nothing if
7741 description->query_units_num is zero. Remove extra blank line.
7742 (output_cpu_unit_reservation_p): Short circuit
7743 if description->query_units_num is zero.
7745 2006-01-22 Zack Weinberg <zackw@panix.com>
7747 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7748 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7749 nor any of the random handful of variables that used to be necessary
7750 when this program was linked with rtlanal.o. Prune set of forward
7751 function declarations.
7752 (struct attr_desc): Remove static_p field.
7753 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7754 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7755 (attr_string): Do not read the character one past the length of
7757 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7758 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7759 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7760 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7761 (make_automaton_attrs): New.
7762 (main): Do not call into genautomata. Call local gen_bypass
7763 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7764 Remove special case for insn_alts.
7765 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7766 varray.h (leftover from previous change). Prune set of forward
7767 function declarations. Remove state_alts fields from all
7768 structures. Remove state_alts_table from struct automaton.
7769 Make everything except main static. Do not maintain num_dfa_decls.
7770 Do not maintain state_alts fields of various structures.
7771 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7772 (add_arc): Remove state_alts argument. All callers updated.
7773 (output_reserved_units_table): Emit #ifdef here...
7774 (output_tables): ...not here. Don't generate state_alts tables.
7775 (expand_automata): Don't generate attributes.
7776 (write_automata): Don't generate state_alts functions.
7777 (main): New function.
7778 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7779 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7780 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7781 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7782 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7783 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7784 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7785 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7787 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7788 * genattrtab.h: Delete file.
7789 * Makefile.in (OBJS-common): Add insn-automata.o.
7790 (insn-automata.o): New rule.
7791 (simple_generated_c): Add insn-automata.c.
7792 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7793 (genprogmd): Add automata.
7794 (build/genattrtab): Needs no extra objects nor libraries.
7795 (build/genautomata): Needs build/vec.o and -lm.
7797 2006-01-22 Zack Weinberg <zackw@panix.com>
7799 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7800 (output_dfa_max_issue_rate, locked_states_num): Delete.
7801 (struct automaton): Add locked_states field.
7802 (output_dead_lock_vect): Save number of locked states in
7803 automaton->locked_states. If it is zero, don't print anything.
7804 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7805 (output_internal_dead_lock_func): Only test the dead_lock_vect
7806 for automata that have locked states.
7807 (output_statistics): Always print the number of locked states for
7808 each automaton. Calculate total number of locked states here.
7809 (write_automata): Don't call output_dfa_max_issue_rate.
7810 * genattrtab.c: Define length_unit_log as a const variable.
7811 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7812 max_insn_queue_index const.
7813 * final.c (length_unit_log): Declare const.
7814 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7816 2006-01-22 Zack Weinberg <zackw@panix.com>
7818 * genautomata.c: Include vec.h, not varray.h.
7819 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7820 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7821 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7822 VEC_* macros operating on appropriately typed vectors, or to
7823 malloced arrays when the size is known in advance. Const-ify
7824 many char* variables and function arguments. No functional changes.
7825 * Makefile.in (build/varray.o): Delete rule.
7826 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7827 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7829 2006-01-22 Zack Weinberg <zackw@panix.com>
7831 * gensupport.c: Define get_insn_name and record_insn_name here.
7832 (read_md_rtx): Call record_insn_name as appropriate.
7833 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7834 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7835 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7837 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7838 (BUILD_VARRAY): Delete.
7839 (genprognormal): Rename genprogmd. Fold in all programs from
7840 genprognoprint; also attrtab.
7841 (build/genattrtab): Just mention genautomata.o and varray.o.
7842 Reorganize a bit, add comments to make the categories clearer.
7844 2006-01-22 Zack Weinberg <zackw@panix.com>
7846 * genconditions.c (condition_table, add_condition): Delete.
7847 (write_conditions): Don't emit n_insn_conditions nor
7848 insn_elision_unavailable. Issue the gcc version #ifdef here,
7849 inside the table, with no #else clause ...
7850 (write_header): ...not here.
7851 (write_writer): New function.
7852 (main): Don't initialize condition_table. Use add_c_test.
7854 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7855 files on the command line.
7856 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7857 Return -1 if there is no entry in the table, don't abort.
7858 (add_c_test, traverse_c_tests): New functions.
7859 * gensupport.h (insn_elision_unavailable, insn_conditions)
7860 (n_insn_conditions): Delete declarations.
7861 (add_c_test, traverse_c_tests): Declare.
7862 * read-rtl.c: Include gensupport.h.
7863 (read_conditions): New function.
7864 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7865 (read_rtx_1): If we get EOF when we were looking for an initial
7866 open paren, return 0. Call read_conditions when appropriate.
7867 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7868 dummy-conditions.o. Eliminate references to insn-conditions.o,
7869 or change them to build/gencondmd.o, as appropriate. Remove
7870 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7871 from $(simple_generated_c). For all files remaining in those
7872 two lists, add insn-conditions.md to the generator command line.
7873 Give insn-constants.h/s-constants their own rules. Add rules
7874 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7875 (build/read-rtl.o): Depend on gensupport.h.
7876 (genprognormal): Include preds.
7877 (genprogearly): Rename genprognoprint; only difference is now that
7878 they don't link with $(BUILD_PRINT).
7879 * dummy-conditions.c: Delete.
7881 2006-01-22 Zack Weinberg <zackw@panix.com>
7883 * genextract.c: Don't include insn-config.h. Do include vec.h.
7884 Declare vectors of int, char, and locstr.
7885 (locstr): New typedef.
7886 (struct extraction): Make all array fields into bare pointers.
7887 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7888 (insn_code_number): Delete.
7889 (accum_extract): New struct.
7890 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7891 (gen_insn): Take insn_code_number as an argument. Use an
7892 accum_extract structure instead of loading data directly into
7893 a struct extraction, and having to know how big it might get.
7894 (walk_rtx): Operate entirely on an accum_extract structure.
7895 (print_path): Avoid unnecessary use of printf.
7896 (print_header): New function, split out of main. Distinguish
7897 more carefully between an unrecognizable insn and an insn that
7898 has the code number of a define_expand.
7899 (main): Pass insn_code_number to gen_insn. Call print_header
7900 only after parsing. Avoid unnecessary use of printf.
7901 * Makefile.in (build/vec.o): New rule.
7902 (build/genextract): Depend on build/vec.o.
7903 (build/genextract.o): Don't depend on insn-config.h.
7905 2006-01-22 Zack Weinberg <zackw@panix.com>
7907 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7908 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7909 practical. Eliminate per-generator-program link rules.
7911 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7914 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7915 with a call expr to ...
7916 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7918 2006-01-23 Richard Guenther <rguenther@suse.de>
7920 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7921 before make_edge with conditional EDGE_TRUE_VALUE.
7923 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7924 Jan Hubicka <jh@suse.cz>
7925 Richard Guenther <rguenther@suse.de>
7927 PR rtl-optimization/25654
7928 * cfgexpand.c (aggregate_contains_union_type): New function.
7929 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7930 for structure variables that contain a union type.
7932 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7934 * gengtype.c (new_structure): Return the structure.
7935 (create_option): Add an extra "next" argument.
7936 (create_field): New function.
7937 (adjust_field_rtx_def): Use create_option and create_field.
7938 Remove a now-unnecessary call to find_structure.
7939 (adjust_field_tree_def): Likewise.
7940 (note_yacc_type): Remove an unnecessary call to find_structure.
7941 * gengtype.h (new_structure): Return the structure.
7942 (create_option): Add an extra argument.
7943 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7944 (option): Adjust calls to create_option.
7946 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7948 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7950 2006-01-22 Paul Brook <paul@codesourcery.com>
7951 Peter Barada <peter@the-baradas.com>
7953 * config/m68k/m68k.md: Add Coldfire FPU support.
7954 Define FP mode macro and associated attributes.
7955 Use it for float mode patterns.
7956 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7957 (LIBCALL_VALUE): Use m68k_libcall_value.
7958 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7959 (m68k_function_value): Ditto.
7960 (emit_move_sequence): Ditto.
7961 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7962 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7963 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7964 (MULTILIB_EXCEPTIONS): Ditto.
7965 * config/m68k/m68k.opt: Add mcfv4e.
7966 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7967 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7968 (m68k_output_function_prologue): Save ColdFire FPU registers.
7969 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7970 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7971 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7972 ColdFire FPU registers.
7973 (m68k_libcall_value, m68k_function_value): New functions.
7974 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7975 (LIBCALL_VALUE): Use m68k_libcall_value.
7976 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7977 (MASK_COLDFIRE): Add MASK_CFV4E.
7978 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7979 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7980 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7981 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7982 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7983 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7984 * doc/invoke.tex: Document -mcfv4e on m68k.
7986 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7988 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7991 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7994 * c-opts.c (c_common_handle_option): Don't include
7995 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7996 * doc/invoke.texi (C++ Dialect Options): Document that
7997 -Wnon-virtual-dtor is no longer included in -Wall.
7999 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8001 * gcov.c (print_version), gcov-dump.c (print_version),
8002 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8005 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8007 * df-scan.c (problem_SCAN): Added NULL reset function.
8008 (df_scan_reset_blocks): Added code to call reset block function
8009 (df_bb_refs_delete) Fixed comment.
8010 (df_insn_refs_delete): Made tolerant of deleting non existent info
8011 for dataflow problems that need to be reset.
8012 * df-core.c (df_set_blocks): Ditto.
8013 * df.h (struct df_problem): Added reset_fun.
8014 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8015 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8016 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8017 functions to clear out all references to def-use or use-def chains.
8019 2006-01-21 Ben Elliston <bje@au.ibm.com>
8021 * varasm.c (assemble_real): Initialise data array.
8023 2006-01-20 Paul Brook <paul@codesourcery.com>
8025 Merge from csl-arm-branch.
8026 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8027 * config/arm/arm.md (movdi): Force operands[1] to a register
8028 if we have a non-register source.
8029 (*arm_movdi, *movdf_soft_insn): Require that one of the
8030 operands be a register.
8031 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8032 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8034 2006-01-20 DJ Delorie <dj@redhat.com>
8036 * varasm.c (initialize_constant_valid_p): Allow pointers
8037 initialized from integer constants of lesser precision.
8038 (output_constant): Allow non-int-sized pointer modes to be
8039 initialized from integer constants.
8041 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8044 * cppdefault.h (struct default_include): Add multilib flag.
8045 * cppdefault.c (cpp_include_defaults): Set it.
8046 * c.opt (-imultilib): New option.
8047 * c-opts.c (imultilib): New.
8048 (c_common_handle_option): Handle -imultilib.
8049 (c_common_post_options): Likewise.
8050 * c-incpath.c (add_standard_paths, register_include_chains):
8052 * c-incpath.h (register_include_chains): Add extra parameter.
8053 * gcc.c (do_spec_1): Generate -imultilib option.
8054 (The Specs Language): Update %I description.
8055 (process_command): Update copyright notice.
8056 * doc/cppopts.texi (-imultilib): Document.
8057 * doc/invoke.texi (-imultilib): Include in option summary.
8058 (%I): Update specs documentation.
8060 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8062 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8064 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8066 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8069 2006-01-20 Richard Guenther <rguenther@suse.de>
8070 Steven Bosscher <stevenb.gcc@gmail.com>
8072 PR rtl-optimization/24626
8073 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8074 EDGE_TRUE_VALUE if in RTL mode.
8077 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8078 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8080 2006-01-20 Dirk Mueller <dmueller@suse.com>
8083 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8084 instead of a special NOP marker.
8085 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8086 NOP marker handling.
8087 * c-common.h (empty_body_warning): Add forward declaration.
8088 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8089 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8091 2006-01-20 Paul Brook <paul@codesourcery.com>
8093 * Makefile.in (lang_checks): Keep going if mkdir fails.
8095 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8097 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8098 be able to clean out basic block when not necessary.
8099 (df_scan_free): Fixed to properly delete information if df is
8100 unused before calling df_finish.
8101 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8102 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8104 (df_bb_refs_delete): New function.
8105 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8106 * df-core.c (df_set_blocks): Added code to properly clean out
8107 unused blocks if they are not part of the blocks to consider.
8108 Added additional null check.
8109 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8110 be able to clean out basic block when not necessary
8111 * df.h (df_free_bb_function): Ditto.
8112 (df_bb_refs_delete): New function.
8113 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8114 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8115 basic block parameter to be able to clean out basic block when not
8117 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8118 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8119 Fixed to properly delete information if df is unused before
8122 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8124 PR rtl-optimization/25799
8125 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8126 Corrected confluence operator to remove bits from op2 before oring
8127 with op1 rather than removing bits from op1.
8128 (df_ru_transfer_function): Corrected test on wrong bitmap which
8129 caused infinite loop. Both of these problems were introduced in
8130 the dataflow rewrite.
8132 2006-01-19 DJ Delorie <dj@redhat.com>
8134 * reload1.c (find_reload_regs): Note the details of reload
8135 failures in the dump file.
8136 (spill_failure): Likewise.
8138 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8140 * loop-iv.c: Include df.h and hashtab.h.
8141 (enum iv_grd_result): New enum.
8142 (DF_REF_IV, DF_REF_IV_SET): New macros.
8143 (struct biv_entry): New.
8144 (df, bivs): New global variables.
8145 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8146 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8148 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8149 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8150 analyzed_for_bivness_p, record_biv): New functions.
8151 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8152 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8153 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8155 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8157 (iv_number_of_iterations): Use new interface to iv analysis.
8158 * loop-unroll.c: Do not include varray.h.
8159 (analyze_iv_to_split_insn): Use new interface to iv
8161 * loop-unswitch.c (may_unswitch_on): Ditto.
8162 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8164 (df_bb_modify): Realloc tables to the new index.
8165 (df_find_use): New function.
8166 * df.h (df_find_use): Declare.
8167 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8169 * cfgloop.h (struct rtx_iv): Remove analysed field.
8170 (iv_get_reaching_def): Removed.
8171 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8172 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8173 (loop-iv.o): Add df.h and hashtab.h dependency.
8174 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8176 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8179 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8181 (__floatundisf, __floatundidf): Likewise.
8182 * libgcc2.h (IS_IBM_EXTENDED): Define.
8184 2006-01-19 DJ Delorie <dj@redhat.com>
8186 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8188 2006-01-19 Paul Brook <paul@codesourcery.com>
8190 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8191 as nothrow when unwinding tables are disabled.
8193 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8196 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8197 of bit-field" when in system header.
8199 2006-01-19 DJ Delorie <dj@redhat.com>
8201 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8202 the 16 bit shift limit of the m16c.
8204 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8207 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8208 * config/i386/i386.c (output_set_got): Output the label if we have one
8209 for the TARGET_DEEP_BRANCH_PREDICTION case.
8211 2006-01-19 Jan Hubicka <jh@suse.cz>
8212 H.J. Lu <hongjiu.lu@intel.com>
8213 Evandro Menezes <evandro.menezes@amd.com>
8215 * invoke.texi (generic): Document
8217 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8218 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8219 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8220 (x86_use_incdec, x86_pad_returns): New variables
8221 (TARGET_CPU_DEFAULT_generic): New constant
8222 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8223 (enum processor_type): Add generic32 and generic64.
8224 * i386.md (cpu attribute): Add generic32/generic64
8225 (movhi splitter): Behave sanely when both partial_reg_dependency and
8226 partial_reg_stall are set.
8227 (K8 splitters): Enable for generic as well.
8228 * predicates.md (incdec_operand): Use TARGET_INCDEC
8229 (aligned_operand): Avoid memory mismatch stalls.
8230 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8231 * ppro.md: Enable for generic32
8232 * i386.c (generic64_cost, generic32_cost): New.
8233 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8234 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8235 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8236 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8237 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8238 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8239 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8240 x86_accumulate_outgoing_args, x86_prologue_using_move,
8241 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8242 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8244 (x86_use_incdec, x86_pad_returns): New.
8245 (override_options): Add generic32 and generic64, translate "generic"
8246 to generic32/generic64 and "i686" to "generic32", refuse
8247 "generic32"/"generic64" as arch target.
8248 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8249 (ix86_reorg): Honor PAD_RETURNS.
8251 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8253 * tree-pretty-print.c (dump_generic_node): Handle
8254 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8255 * cgraph.c (cgraph_expand_queue): Rename from
8256 cgraph_analyze_queue. Update all users.
8257 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8258 cgraph_expand_queue.
8259 (cgraph_expand_all_functions): Likewise.
8260 (cgraph_finalize_pending_functions): Remove. Update callers.
8262 * tree.h (OMP_DIRECTIVE_P): Define.
8263 (OMP_PARALLEL_FN): Define.
8264 (OMP_PARALLEL_DATA_ARG): Define.
8265 (OMP_SECTIONS_SECTIONS): Define.
8266 * tree-pass.h (pass_expand_omp): Declare.
8267 * omp-low.c (struct omp_region): Declare.
8268 (struct omp_context): Remove fields 'parallel_type',
8269 'parallel_start_ix' and 'parallel_start_additional_args'.
8271 (struct omp_for_data): Rename from struct expand_omp_for_data.
8272 (omp_regions): New static variable.
8273 (root_omp_region): New static variable.
8274 (find_omp_clause): Make static.
8275 (is_in_combined_parallel_ctx): Remove.
8276 (is_combined_parallel): New.
8277 (extract_omp_for_data): Move earlier in the file.
8278 (workshare_safe_to_combine_p): New.
8279 (get_ws_args_for): New.
8280 (determine_parallel_type): Move earlier in the file.
8281 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8283 (omp_copy_decl): Likewise.
8284 (create_omp_child_function): Likewise.
8285 (lookup_omp_region): New.
8286 (dump_omp_region): New.
8287 (debug_omp_region): New.
8288 (debug_all_omp_regions): New.
8289 (new_omp_region): New.
8290 (scan_omp_parallel): If parallel_nesting_level > 1, the
8291 directive is nested within another parallel directive.
8292 Set OMP_PARALLEL_FN.
8293 (scan_omp_for): Do not try to handle combined parallel+for
8295 Remove FIXME comment.
8296 (scan_omp_nested): Remove.
8297 (scan_omp_1): Do not call scan_omp_nested when
8298 parallel_nesting_level is > 1.
8299 Do not change the DECL_CONTEXT of local variables found.
8300 (lookup_decl_in_outer_ctx): New.
8301 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8302 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8303 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8304 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8305 If CTX is nested, lookup VAR in the outer context when
8306 building copy assignment.
8307 (lower_send_clauses): Rename from expand_send_clauses.
8308 If CTX is nested, lookup VAR in the outer context when
8309 building copy assignments.
8310 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8311 If CTX is nested, lookup VAR in the outer context when
8312 building copy assignments.
8313 (expand_parallel_call): Rename from build_parallel_call.
8314 Handle combined parallel+workshare cases.
8315 Re-implement to emit code into the CFG.
8317 (expand_omp_parallel): Re-implement to emit code into the CFG.
8318 Call move_sese_region_to_fn to outline the sub-graph
8319 containing the parallel region.
8320 (expand_omp_for_1): Remove.
8321 (expand_omp_for_generic): Re-implement to emit code into the
8323 (expand_omp_for_static_nochunk): Likewise.
8324 (expand_omp_for_static_chunk): Likewise.
8325 (expand_omp_for): Likewise.
8326 (expand_omp_sections): Likewise.
8327 (remove_exit_barriers): New.
8328 (expand_omp_synch): New.
8330 (build_omp_regions_1): New.
8331 (build_omp_regions): New.
8332 (execute_expand_omp): New.
8333 (gate_expand_omp): New.
8334 (pass_expand_omp): Define.
8335 (lower_omp_sections): Rename from expand_omp_sections.
8336 Set OMP_SECTIONS_SECTIONS.
8337 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8338 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8339 (lower_omp_single): Rename from expand_omp_simple.
8340 (lower_omp_master): Rename from expand_omp_master.
8341 (lower_omp_ordered): Rename from expand_omp_ordered.
8342 (lower_omp_critical): Rename from expand_omp_critical.
8343 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8344 (lower_omp_for): Re-implement.
8345 (lower_omp_parallel): Re-implement.
8346 (lower_regimplify): Rename from expand_regimplify.
8347 (lower_omp_1): Rename from expand_omp_1.
8348 If there are syntax errors in the program, replace every
8349 OpenMP directive with NOP.
8350 Call lower_omp_* instead of expand_omp_*.
8351 (lower_omp): Rename from expand_omp.
8353 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8354 * tree-gimple.h (enum omp_parallel_type): Remove.
8355 (gimple_boolify): Declare extern.
8356 (find_omp_clause, determine_parallel_type): Remove.
8358 * gimple-low.c (lower_omp_directive): New.
8359 (lower_stmt): Call it.
8360 (record_vars_into): Move from ...
8361 (record_vars): ... here.
8362 Call record_vars_into with current_function_decl.
8364 * gimplify.c (struct gimplify_ctx): Remove fields
8365 combined_pre_p and combined_ctxp. Update users.
8366 (get_formal_tmp_var): Add documentation.
8367 (gimple_boolify): Make extern.
8368 (gimplify_expr_in_ctx): Remove. Update callers.
8369 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8370 will always be a BIND_EXPR.
8371 (gimplify_expr): Handle OMP_RETURN_EXPR.
8372 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8373 (OMP_PARALLEL): Add 3 operands.
8374 (OMP_SECTIONS): Add 1 operand.
8375 (OMP_RETURN_EXPR): Define.
8377 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8378 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8379 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8380 creating a circular free list.
8381 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8383 * tree-flow.h (move_sese_region_to_fn): Declare.
8384 (record_vars_into): Declare.
8385 * tree-cfg.c (make_omp_sections_edges): New.
8386 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8387 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8388 OMP_SECTIONS and OMP_SECTION.
8389 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8390 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8391 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8392 (gather_blocks_in_sese_region): New.
8393 (struct move_stmt_d): Declare.
8395 (move_block_to_fn): New.
8396 (move_sese_region_to_fn): New.
8398 * passes.c (init_optimization_passes): Schedule
8399 pass_expand_omp after pass_init_datastructures.
8401 * tree-ssa-operands.c (get_expr_operands): Handle
8402 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8403 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8405 2006-01-19 Jeff Law <law@redhat.com>
8407 * tree-vrp.c (extract_range_from_assert): Refine the result range
8408 if the variable referenced by the ASSERT_EXPR has a range and
8409 either the tentative result range or the previous range is a
8412 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8414 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8416 2006-01-19 Jan Hubicka <jh@suse.cz>
8418 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8420 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8422 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8423 (expand_compound_operation, expand_field_assignment): Fail if the
8424 bit lengths of an extract operation are out of range.
8425 (make_extraction): Compute wanted_inner_mode based on the position
8426 and length of the extraction. Make it extraction_mode for non-constant
8427 positions, and do not modify offset in that case. When generating a
8428 new MEM, use a mode that can hold the extraction while keeping correct
8429 alignment. Remove code that supported MEMs wrapped by USEs.
8430 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8432 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8434 * config/s390/s390.md ("Y", "y"): New mode attribute.
8435 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8436 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8437 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8438 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8439 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8440 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8441 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8442 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8443 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8444 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8445 "addsi3", "subsi3"): Insn patterns removed.
8446 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8447 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8448 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8449 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8450 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8451 "*sub<mode>3_cconly2"): New insn patterns.
8452 ("addsi3", "subsi3"): New expanders.
8454 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8456 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8457 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8458 existing STMT_VINFO_VECTYPE if available.
8459 (vect_mark_relevant): Add special handling for stmts that are
8460 marked as STMT_VINFO_IN_PATTERN_P.
8461 (vect_analyze_loop): Call vect_pattern_recog.
8462 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8463 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8465 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8466 (vect_recog_func_ptr): New function-pointer type.
8467 * tree-vect-patterns.c: New file.
8468 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8469 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8470 (vect_pattern_recog_1): New functions.
8471 (vect_pattern_recog_funcs): New array of function pointers.
8473 * tree-vectorizer.h (ternary_op): New enum value.
8474 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8475 declaration. Revised documentation. Removed redundant dump prints.
8476 Removed redundant argument. Added support for reduction patterns.
8477 (vectorizable_reduction): Added support for reduction patterns.
8478 (vect_transform_stmt): Added support for patterns.
8480 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8481 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8482 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8483 (expand_widen_pattern_expr): New function.
8484 (init_optabs): Initialize new optabs udot_prod_optab,
8486 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8487 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8488 (expand_widen_pattern_expr): New function declaration.
8489 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8491 * tree-inline.c (estimate_num_insns_1): Added cases for new
8492 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8493 * tree-pretty-print.c (dump_generic_node): Likewise.
8494 (op_prio): Likewise.
8495 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8496 * tree-ssa-operands.c (get_expr_operands): Added case for
8498 * tree-vect-patterns.c (widened_name_p): New function.
8499 (vect_recog_dot_prod_pattern): Added function implementation.
8500 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8501 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8502 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8503 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8505 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8506 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8507 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8508 (init_optabs): Initialize new optabs widen_ssum_optab,
8510 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8511 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8512 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8513 use instead of type of def.
8514 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8515 function implementation.
8516 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8517 widen_ssumv8hi): New.
8519 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8522 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8525 * c-decl.c (add_flexible_array_elts_to_size): New function.
8526 (finish_decl): Use it.
8528 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8530 * diagnostic.h: Include options.h.
8531 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8532 dependancies for diagnostic.h.
8533 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8535 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8537 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8538 (ssa_ro_call_cache_valid): Ditto.
8539 * tree-ssa-alias.c (sort_tags_by_id): New function.
8540 (init_transitive_clobber_worklist): Ditto.
8541 (add_to_worklist): Ditto.
8542 (mark_aliases_call_clobbered): Ditto.
8543 (compute_tag_properties): Ditto.
8544 (set_initial_properties): Ditto.
8545 (compute_call_clobbered): Ditto.
8546 (compute_may_aliases): Call compute_call_clobbered and grouping.
8547 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8548 (compute_flow_insensitive_aliasing): Grouping now happens in our
8550 (setup_pointers_and_addressables): Remove clobbering related code.
8551 (add_may_alias): Ditto.
8552 (replace_may_alias): Ditto.
8553 (get_nmt_for): Ditto.
8554 (create_global_var):
8555 (is_escape_site): Return an escape_type enumeration.
8556 * tree-flow-inline.h (is_call_clobbered): Global var does not
8557 imply call clobbered.
8558 (mark_call_clobbered): Take a reason for marking this. Remove
8559 marking of globalness, and cache invalidation.
8560 (clear_call_clobbered): Remove cache invalidation code.
8561 * tree-dfa.c (dump_variable): If details is on, dump the reason
8563 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8565 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8566 (struct var_ann_d): Ditto.
8567 (enum escape_type): New.
8568 (mark_call_clobbered): Adjust prototype.
8569 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8570 are never call clobbered.
8571 Record reasons for escaping.
8572 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8573 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8574 (ssa_ro_call_cache_valid): Ditto.
8575 (clobbered_v_may_defs): Ditto.
8576 (clobbered_vuses): Ditto.
8577 (ro_call_vuses): Ditto.
8578 (clobber_stats): New.
8579 (init_ssa_operands): Zero out clobber stats.
8580 (fini_ssa_operands): Print out clobber stats.
8581 (get_call_expr_operands): Pass callee fndecl to
8583 (add_call_clobber_ops): Remove use of cache.
8584 Add use of PURE_CONST information.
8585 (add_call_read_ops): Remove use of cache.
8586 Add use of static not_read information.
8588 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8590 Introduce TLS descriptors for i386 and x86_64.
8591 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8592 (TARGET_ANY_GNU_TLS): New macro.
8593 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8594 (struct machine_function): Add tls_descriptor_call_expanded_p.
8595 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8596 (ix86_current_function_calls_tls_descriptor): Likewise.
8597 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8598 (override_options): Introduce gnu2 tls dialect.
8599 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8601 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8603 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8604 (ix86_init_machine_status): Initialize new field.
8605 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8606 (ix86_tls_module_base): New.
8607 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8608 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8609 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8610 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8611 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8612 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8613 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8614 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8615 * config/i386/predicates.md (tls_modbase_operand): New.
8616 (tp_or_register_operand): New.
8618 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8620 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8621 (look_for_address_of): Ditto.
8622 (ipa_init): Walk the function decls.
8623 (static_execute): Don't set readonly on FUNCTION_DECL's.
8625 2006-01-18 Roger Sayle <roger@eyesopen.com>
8627 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8628 for shifts where the source and destination registers are different.
8630 2006-01-18 Paul Brook <paul@codesourcery.com>
8632 Merge from csl-arm-branch.
8633 2005-03-14 Julian Brown <julian@codesourcery.com>
8634 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8635 (aeabi_llsl): Likewise.
8636 (ashrdi3): Likewise.
8637 (aeabi_lasr): Likewise.
8638 (lshrdi3): Likewise.
8639 (aeabi_llsr): Likewise.
8640 2005-03-10 Julian Brown <julian@codesourcery.com>
8641 * config.gcc: Disable shared libgcc for SymbianOS.
8642 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8644 2006-01-18 DJ Delorie <dj@redhat.com>
8646 * c-pragma.c (handle_pragma_diagnostic): New.
8647 (init_pragma): Register it.
8648 * doc/extend.texi: Document it.
8650 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8651 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8652 (diagnostic_context): Add classify_diagnostic[].
8653 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8654 as errors if they're overridden to DK_WARNING.
8655 (diagnostic_initialize): Initialize classify_diagnostic[].
8656 (diagnostic_set_kind_override): New.
8657 (diagnostic_report_diagnostic): Check for kind changes.
8658 * opts.c (common_handle_option): Take lang_mask. Update callers.
8660 * common.opt (Werror=): New.
8661 * doc/invoke.texi: Document -Werror=*
8663 2006-01-18 Jeff Law <law@redhat.com>
8665 * tree-vrp.c (test_for_singularity): Correct test for new
8666 min limit. Use operand_equal_p rather than pointer equality
8667 for testing if new min/max values are equal.
8669 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8670 using range information until after propagation and folding.
8672 2006-01-18 Richard Henderson <rth@redhat.com>
8673 Aldy Hernandez <aldyh@redhat.com>
8674 Jakub Jelinek <jakub@redhat.com>
8675 Diego Novillo <dnovillo@redhat.com>
8677 * omp-low.c: New file.
8678 * c-omp.c: New file.
8680 2006-01-18 Richard Henderson <rth@redhat.com>
8681 Jakub Jelinek <jakub@redhat.com>
8682 Diego Novillo <dnovillo@redhat.com>
8684 * doc/invoke.texi: Document -fopenmp.
8685 * tree-dump.h (debug_function): Declare.
8686 * hooks.c (hook_bool_tree_bool_false): New function.
8687 (hook_tree_tree_null): Remove.
8688 (hook_tree_tree_tree_null): New.
8689 * hooks.h: Update to match.
8690 * tree-pretty-print.c (debug_tree_chain): New.
8691 (print_generic_expr): Handle TDF_CHAIN.
8692 (dump_generic_node): Handle BLOCK.
8693 Do not abort with incomplete SWITCH_EXPRs.
8694 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8695 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8696 print space after directive name.
8697 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8698 Handle OMP_MASTER and OMP_ORDERED.
8699 Handle printing of OMP_BODY just in one place, goto
8700 dump_omp_body in the rest of OMP_* nodes that have
8702 Don't handle clause nodes here. Update omp statements to
8703 use dump_omp_clauses.
8704 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8705 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8706 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8707 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8708 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8709 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8710 Adjust output for GOMP_PARALLEL.
8711 (dump_omp_clauses): New.
8712 (print_declaration): Dump DECL_VALUE_EXPR.
8713 (op_symbol_1): Split out of op_symbol.
8714 (dumping_stmts): Remove. Update all users.
8715 * cgraph.c (cgraph_analyze_queue): New.
8716 (cgraph_add_new_function): New.
8717 * cgraph.h (cgraph_analyze_queue): Declare.
8718 (cgraph_add_new_function): Declare.
8719 (cgraph_lower_function): Remove.
8720 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8721 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8722 and TYPE_P nodes in its default clause.
8723 (empty_body_p): New.
8724 (tree_range_check_failed): New.
8726 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8727 OMP_CLAUSE_REDUCTION_MERGE,
8728 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8729 OMP_CLAUSE_PRIVATE_DEBUG,
8730 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8731 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8732 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8733 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8734 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8735 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8736 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8737 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8738 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8739 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8740 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8741 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8742 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8743 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8744 (TREE_RANGE_CHECK): New.
8745 (empty_body_p): Declare.
8746 (enum omp_clause_default_kind): New.
8747 (build_string_literal): Declare.
8748 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8749 (build5_stat, build5): Declare.
8750 * tree-pass.h (TDF_CHAIN): Define.
8751 * tree-pass.h (PROP_gimple_lomp): Define.
8752 (pass_lower_omp): Declare.
8753 * diagnostic.h (debug_tree_chain): Declare.
8754 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8756 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8757 * builtins.c (build_string_literal): Make extern.
8758 * gcc.c (include_spec_function): New.
8759 (static_spec_functions): Add it.
8760 (main): Move load of libgomp.spec ...
8761 (LINK_COMMAND_SPEC): ... here.
8762 (link_gomp_spec): New.
8763 (static_specs): Include it.
8764 (LINK_COMMAND_SPEC): Add link_gomp.
8765 (GOMP_SELF_SPECS): New.
8766 (driver_self_specs): Include it.
8767 (switch_matches): Don't mark inline.
8768 (main): Load libgomp.spec.
8769 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8770 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8771 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8772 * tree-gimple.h (enum omp_parallel): Declare.
8773 (determine_parallel_type): Declare.
8774 (omp_firstprivatize_variable): Declare.
8775 (omp_reduction_init): Declare.
8776 (diagnose_omp_structured_block_errors): Declare.
8777 (struct walk_stmt_info): Add want_return_expr.
8778 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8779 (find_omp_clause): Declare.
8780 (insert_field_into_struct): Declare.
8781 (struct walk_stmt_info): Move from tree-nested.c
8782 (walk_stmts): Declare.
8783 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8785 * cgraphunit.c (cgraph_lower_function): Make static.
8786 (cgraph_finalize_pending_functions): New.
8787 (cgraph_finalize_function): Call it.
8788 (cgraph_finalize_compilation_unit): Likewise.
8789 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8790 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8791 (BT_FN_UINT_UINT): New.
8792 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8793 DEF_FUNCTION_TYPE_VAR_4): Document.
8794 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8795 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8796 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8797 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8798 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8799 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8800 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8801 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8802 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8803 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8804 into separate files.
8805 (DEF_GOMP_BUILTIN): New.
8806 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8807 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8808 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8809 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8810 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8811 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8812 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8813 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8814 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8815 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8816 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8817 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8818 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8819 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8820 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8821 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8822 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8823 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8824 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8825 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8826 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8827 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8828 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8829 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8830 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8831 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8832 * sync-builtins.def: New file, moved from builtins.def.
8833 * omp-builtins.def: New file, moved from builtins.def.
8834 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8835 * gimple-low.c (lower_function_body): Clear data.
8836 (lower_stmt): Do not handle COMPOUND_EXPR.
8837 Remove call to print_node_brief.
8838 * c-tree.h (c_finish_omp_clauses): New prototype.
8839 (C_DECL_THREADPRIVATE_P): Define.
8840 (lookup_name_no_remap, c_omp_remap_private): Remove
8841 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8842 (check_for_loop_decls): Update decl.
8843 (lookup_name_no_remap, c_omp_remap_private): Declare.
8844 (build_indirect_ref, build_modify_expr, pushdecl,
8845 pushdecl_top_level): Move to c-common.h.
8846 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8847 before the switch, but just in the 2 places that need it.
8848 * c-decl.c (diagnose_mismatched_decls): Do not check for
8849 mismatched thread-local attributes when OLDDECL is marked
8850 threadprivate and NEWDECL has no thread-local attributes.
8851 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8852 (c_gimple_diagnostics_recursively): Rename from
8853 c_warn_unused_result_recursively. Invoke
8854 diagnose_omp_structured_block_errors.
8855 (check_for_loop_decls): Return a singular decl found.
8856 * langhooks.c (lhd_omp_predetermined_sharing): Return
8857 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8858 (lhd_omp_firstprivatize_type_sizes): New.
8859 (lhd_omp_assignment): New.
8860 (lhd_omp_predetermined_sharing): New.
8861 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8862 (struct lang_hooks_for_types): Add
8863 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8864 omp_predetermined_sharing, omp_disregard_value_expr,
8865 omp_private_debug_clause, omp_clause_default_ctor,
8866 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8867 (c_finish_omp_clauses): New.
8868 (c_finish_bc_stmt): Diagnose break within omp for.
8869 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8870 (build_unary_op): Return error_mark after reporting
8872 (build_modify_expr): Likewise.
8873 * gimplify.c: Include optabs.h and pointer-set.h.
8874 (enum gimplify_omp_var_data): Declare.
8875 (struct gimplify_omp_ctx): Declare.
8876 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8878 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8879 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8880 (splay_tree_compare_decl_uid): New.
8881 (new_omp_context): New.
8882 (delete_omp_context): New.
8883 (gimple_add_tmp_var): Call omp_add_variable.
8884 (gimplify_bind_expr): Likewise.
8885 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8886 true, disregard DECL_VALUE_EXPR on the decl if any.
8887 (gimplify_expr_in_ctx): New.
8888 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8889 omp_add_variable, omp_notice_variable, omp_is_private
8890 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8891 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8892 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8893 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8894 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8895 gimplify_omp_atomic): New.
8896 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8897 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8898 OMP_CRITICAL and OMP_ATOMIC.
8899 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8900 * c-pragma.h (enum pragma_kind): Add
8901 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8902 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8903 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8904 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8905 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8906 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8907 PRAGMA_OMP_THREADPRIVATE.
8908 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8909 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8910 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8911 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8912 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8913 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8914 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8915 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8916 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8917 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8918 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8919 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8920 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8922 (struct nesting_info): Add field_map,
8923 suppress_expansion, debug_var_chain.
8924 (create_nesting_tree): Initialize them.
8925 (lookup_field_for_decl): Use field_map.
8926 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8927 (convert_local_omp_clauses): New.
8928 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8929 (walk_body): Split out of walk_function.
8930 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8931 (convert_nonlocal_reference): Handle omp statements.
8932 (convert_local_reference): Likewise.
8933 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8934 (unnest_nesting_tree): New.
8935 (lower_nested_functions): Call it.
8936 (insert_field_into_struct): Make extern.
8937 (struct walk_stmt_info): Move to tree-gimple.h.
8938 (walk_stmts): Make extern.
8939 * omp-builtins.def: New file.
8940 * tree-iterator.c (expr_only): Clarify comment.
8941 * c-common.h (pushdecl_top_level, pushdecl,
8942 build_modify_expr, build_indirect_ref,
8943 c_finish_omp_master, c_finish_omp_critical,
8944 c_finish_omp_ordered, c_finish_omp_barrier,
8945 c_finish_omp_atomic, c_finish_omp_flush,
8946 c_finish_omp_for, c_split_parallel_clauses,
8947 omp_clause_default_kind, c_omp_sharing_predetermined,
8948 c_omp_remap_decl): Declare.
8949 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8950 (OBJS-common): Add omp-low.o.
8951 (c-omp.o, omp-low.o): Add.
8952 (gimplify.o): Add dependency on $(OPTABS_H).
8953 (GTFILES): Add omp-low.c.
8954 (gt-stringpool.h): Add.
8955 * tree-cfg.c (set_bb_for_stmt): Do not update the
8956 block-to-labels map if we are currently expanding to RTL.
8957 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8959 Handle IDENTIFIER_NODE.
8960 (tree_verify_flow_info): Do not ICE when emitting error
8961 messages about invalid labels.
8962 (dump_function_to_file): Reset CFUN before emitting the body
8964 (debug_function): New.
8965 * passes.c (init_optimization_passes): Schedule
8967 * langhooks-def.h (lhd_omp_predetermined_sharing,
8968 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8970 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8971 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8972 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8973 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8974 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8975 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8976 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8977 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8978 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8979 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8980 (LANG_HOOK_DECLS): Use them.
8982 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8983 Richard Henderson <rth@redhat.com>
8984 Jakub Jelinek <jakub@redhat.com>
8985 Diego Novillo <dnovillo@redhat.com>
8987 * c-parser.c (pragma_omp_clause): Define.
8988 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8989 (c_parser_compound_statement): Likewise.
8990 (c_parser_statement): Likewise.
8991 (c_parser_pragma): Handle omp pragmas.
8992 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8993 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8994 (c_parser_omp_clause_name, check_no_duplicate_clause,
8995 c_parser_omp_variable_list,
8996 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8997 c_parser_omp_clause_copyprivate,
8998 c_parser_omp_clause_default,
8999 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9000 c_parser_omp_clause_lastprivate,
9001 c_parser_omp_clause_nowait,
9002 c_parser_omp_clause_num_threads,
9003 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9004 c_parser_omp_clause_reduction,
9005 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9006 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9007 c_parser_omp_atomic, c_parser_omp_barrier,
9008 c_parser_omp_critical, c_parser_omp_flush,
9009 c_parser_omp_for_loop, c_parser_omp_for,
9010 c_parser_omp_master, c_parser_omp_ordered,
9011 c_parser_omp_sections_scope, c_parser_omp_sections,
9012 c_parser_omp_parallel, c_parser_omp_single,
9013 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9014 * c-pragma.c (init_pragma): Do omp pragma registration here.
9015 * c.opt (fopenmp): New flag.
9017 2006-01-18 Eric Christopher <echristo@apple.com>
9019 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9020 * config/darwin.h (GOMP_SELF_SPECS): Define.
9022 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9024 * rtl.h: Remove the prototype for reg_alloc.
9026 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9029 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9030 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9031 sjlj and dwarf2 exception handling.
9032 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9033 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9034 * pa/pa.c (function_value): Treat complex and vector types as
9036 (function_arg): Likewise. Only pass scalar floats in the floating
9037 point argument registers.
9038 * pa/t-slibgcc-dwarf-ver: New file.
9039 * pa/t-slibgcc-sjlj-ver: New file.
9040 * pa/t-slibgcc-elf-ver: Delete file.
9042 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9044 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9045 unlikely_test_section_p test.
9047 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9049 * mode-switching.c (optimize_mode_switching): Make it static.
9050 * basic-block.h: Remove the prototype for
9051 optimize_mode_switching.
9053 * modulo-sched.c (sms_schedule): Make it static.
9054 * rtl.h: Remove the prototype for sms_schedule.
9056 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9057 * rtl.h: Remove the prototype for gcse_after_reload_main.
9059 * reg-stack.c (reg_to_stack): Make it static.
9060 * rtl.h: Remove the prototype for reg_to_stack.
9062 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9064 * rtl.h: Remove the prototypes for regrename_optimize and
9065 copyprop_hardreg_forward.
9067 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9069 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9070 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9071 Test against the appropriate null constant for the mode.
9072 If 'fixup_overlap' is true, swap the operands if they overlap.
9073 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9074 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9075 alpha_split_tmode_pair and adjust for above change.
9076 * config/alpha/alpha.md (movtf_internal): Adjust call to
9077 alpha_split_tfmode_pair and rely on it to swap the operands.
9078 (movti_internal): New insn and post-reload splitter.
9079 (movti): New expander.
9081 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9083 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9086 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9088 * rtlanal.c (global_reg_mentioned_p_1,
9089 global_reg_mentioned_p): Remove.
9090 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9092 * flow.c (initialize_uninitialized_subregs): Make it static.
9093 * rtl.h: Remove the prototype for
9094 initialize_uninitialized_subregs.
9096 * function.c (instantiate_virtual_regs): Make it static.
9097 * function.h: Remove the prototype for
9098 instantiate_virtual_regs.
9100 * regmove.c (regmove_optimize, combine_stack_adjustments):
9102 * rtl.h: Remove the prototypes for regmove_optimize and
9103 combine_stack_adjustments.
9105 2006-01-17 Roger Sayle <roger@eyesopen.com>
9107 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9108 (size_cost): Encode costs in bytes so that a reg-reg addition is
9109 equivalent to COSTS_N_INSNS(1).
9110 (override_options): Use the size_cost.branch_cost as the default
9111 ix86_branch_cost when optimizing for size.
9113 2006-01-18 Ben Elliston <bje@au.ibm.com>
9115 * Makefile.in (D32PBIT_FUNCS): New.
9116 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9117 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9118 D64PBIT_FUNCS and D128PBIT_FUNCS.
9119 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9120 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9122 (decnumber_dep): Define.
9123 * doc/libgcc.texi (Decimal float library routines): New node.
9124 * config/dfp-bit.h, config/dfp-bit.c: New files.
9126 2006-01-18 Ben Elliston <bje@au.ibm.com>
9128 * expr.c (emit_move_change_mode): Always adjust addresses, not
9129 just during reload. Copy replacements only during reload.
9130 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9131 emit_move_via_integer.
9133 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9135 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9136 instead of $(srcdir) and ${srcdir}.
9138 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9142 * arm.h (struct machine_function): Add pic_reg.
9143 * arm.c (arm_pic_register): Make unsigned.
9144 (arm_override_options): Only set arm_pic_register if
9145 TARGET_SINGLE_PIC_BASE.
9146 (use_return_insn): Only test for a pic register if it is fixed.
9147 (arm_compute_save_reg0_reg12_mask): Likewise.
9148 (thumb_compute_save_reg_mask): Likewise.
9149 (legitimate_pic_operand): Factor out some known invariants.
9150 (legitimize_pic_address): If we don't have a fixed pic register,
9151 then set up a pseudo in the function entry sequence. Handle the
9152 pic base being in a pseudo.
9153 (arm_load_pic_register): Handle the pic register being in a pseudo.
9154 (arm_expand_prologue): Only set up the pic register if it is fixed.
9155 (thumb_expand_prologue): Likewise.
9156 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9157 (pic_load_addr_based_insn): Likewise.
9158 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9161 2006-01-18 Ben Elliston <bje@au.ibm.com>
9163 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9164 decimal float modes for all floating point registers.
9166 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9167 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9169 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9172 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9173 even when the pointer is not NULL.
9175 2006-01-16 Ian Lance Taylor <ian@airs.com>
9177 * common.opt (ftoplevel-reorder): New option.
9178 * cgraph.c (cgraph_asm_nodes): New global variable.
9179 (cgraph_asm_last_node): New static variable.
9180 (cgraph_order): New global variable.
9181 (cgraph_create_node): Set new order field.
9182 (cgraph_varpool_node): Likewise.
9183 (decide_is_variable_needed): Return true if not
9184 flag_toplevel_reorder.
9185 (cgraph_add_asm_node): New function.
9186 * cgraph.h (struct cgraph_node): Add order field.
9187 (struct cgraph_varpool_node): Add order field.
9188 (struct cgraph_asm_node): Define.
9189 (cgraph_asm_nodes, cgraph_order): Declare.
9190 (cgraph_add_asm_node): Declare.
9191 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9193 (cgraph_varpool_assemble_pending_decls): Call it.
9194 (cgraph_output_pending_asms): New static function.
9195 (cgraph_finalize_compilation_unit): Call it.
9196 (struct cgraph_order_sort): Define.
9197 (cgraph_output_in_order): New static function.
9198 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9199 !flag_toplevel_reorder case.
9200 * c-parser.c: Include "cgraph.h".
9201 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9203 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9204 than -fno-unit-at-a-time.
9205 * doc/invoke.texi (Option Summary): Mention
9206 -fno-toplevel-reorder.
9207 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9208 -funit-at-a-time documentation.
9210 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9211 Kazu Hirata <kazu@codesourcery.com>
9213 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9215 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9217 * Makefile.in (FUNCTION_H): New. Use it instead of
9218 function.h throughout the file.
9219 * function.h: Include tree.h.
9221 2006-01-17 Ben Elliston <bje@au.ibm.com>
9223 * recog.c: Separate some functions with whitespace.
9225 2006-01-16 Richard Henderson <rth@redhat.com>
9227 Merge from gomp branch:
9228 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9229 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9230 and rename from struct inline_data. Rename callee* to dst*;
9231 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9232 transform_new_cfg, transform_return_to_modify, and
9233 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9235 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9236 (copy_decl_for_dup): Remove.
9237 * tree-inline.c (struct inline_data): Move to header.
9238 (insert_decl_map): Export.
9239 (remap_decl): Update for member name changes. Use copy_decl hook.
9240 Allow for replacement to be a non-decl. Remove dead code.
9241 (remap_type_1): Check for existing mapping.
9242 (remap_type): Export.
9243 (remap_decls): Update for member name changes.
9244 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9245 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9246 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9247 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9248 (tree_function_versioning, build_duplicate_type): Likewise.
9249 (copy_body_r): Likewise. Export.
9250 (copy_decl_for_dup): Split into ...
9251 (copy_decl_for_dup_finish, copy_decl_to_var,
9252 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9253 (replace_ref_tree, inlining_p): Remove.
9255 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9257 * ifcvt.c (if_convert): Make it static.
9258 * rtl.h: Remove the prototype for if_convert.
9260 * local-alloc.c (local_alloc): Make it static.
9261 * rtl.h: Remove the prototype for local_alloc.
9263 * loop.c (loop_optimize): Make it static.
9264 * cfgloop.h: Remove the prototype for loop_optimize.
9267 2006-01-16 DJ Delorie <dj@redhat.com>
9269 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9272 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9274 * pa.md: Disparage copies between general and floating-point registers
9275 in 32-bit move patterns.
9277 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9280 * Makefile.in (check-%): Depend on site.exp instead of
9281 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9284 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9286 * global.c (global_alloc): Make it static.
9287 * rtl.h: Remove the prototype for global_alloc.
9289 2006-01-16 Richard Guenther <rguenther@suse.de>
9291 * tree-ssa-alias.c (struct used_part): Add write_only field.
9292 (get_or_create_used_part_for): Initialize it to true.
9293 (create_overlap_variables_for): Don't create structure variables
9294 for structures that only are written to.
9295 (find_used_portions): Handle MODIFY_EXPR to track whether a
9296 structure is only written to.
9298 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9300 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9302 * basic-block.h: Remove the prototype for
9303 partition_hot_cold_basic_blocks.
9305 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9307 * cppspec.c (lang_specific_spec_functions): Remove.
9308 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9309 * gcc.h (lang_specific_spec_functions): Remove.
9310 * gccspec.c (lang_specific_spec_functions): Remove.
9312 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9314 * combine.c (record_value_for_reg): Invalidate registers
9316 (record_dead_and_set_regs_1): Likewise, by passing them to
9317 record_value_for_reg.
9318 (record_dead_and_set_regs): Invalidate stores made by a
9319 call. We do not combine across a call, but we still
9320 relied on equivalences.
9322 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9324 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9325 vrp_int_const_binop returning non-constant nodes.
9327 2006-01-16 Paul Brook <paul@codesourcery.com>
9329 * config/m68k/m68k.c (output_move_const_into_data_reg):
9330 Output correct mnemonic for mvz and mvs.
9332 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9334 * rtl-factoring.c: Add sequence abstraction algorithm.
9335 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9336 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9338 (block_has_preserve_label): New function.
9339 * common.opt: Register new pass.
9340 * Makefile.in: Ditto.
9342 * timevar.def: Ditto.
9343 * tree-pass.h: Ditto.
9344 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9345 * rtl.h (make_jump_insn_raw): Add forward decl.
9346 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9348 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9349 Roger Sayle <roger@eyesopen.com>
9351 * fold-const.c (fold_minmax): New static function.
9352 (fold_binary) <MIN_EXPR>: Call it.
9353 <MAX_EXPR>: Likewise.
9354 * stor-layout.c (place_field): Use DECL_SIZE consistently
9355 in the computation of the new record size.
9357 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9359 * cse.c (cse_condition_code_reg): Make it static.
9360 * rtl.h: Remove the prototype for cse_condition_code_reg.
9362 * combine.c (combine_instructions): Make it static.
9363 * rtl.h: Remove the prototype for combine_instructions.
9365 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9368 * tree.c (get_file_function_name_long): Concatenate the first global
9369 object name with a string derived from the input filename of the object
9372 2006-01-16 Ben Elliston <bje@au.ibm.com>
9374 * config/i386/winnt-stubs.c: Update FSF address.
9375 * config/xtensa/ieee754-df.S: Ditto.
9376 * config/xtensa/ieee754-sf.S: Ditto.
9378 2006-01-14 Ian Lance Taylor <ian@airs.com>
9380 * ifcvt.c (noce_init_if_info): New static function, broken out of
9381 noce_process_if_block.
9382 (noce_process_if_block): Call noce_init_if_info.
9383 (check_cond_move_block): New static function.
9384 (cond_move_process_if_block): New static function.
9385 (process_if_block): Call cond_move_process_if_block.
9387 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9389 * cselib.c (hash_table): Rename to cselib_hash_table.
9390 (cselib_clear_table, discard_useless_values,
9391 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9392 cselib_init, cselib_finish): Adjust uses of hash_table.
9394 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9396 PR tree-optimization/25485
9397 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9398 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9399 is known to be false and true, respectively.
9401 2006-01-14 Richard Guenther <rguenther@suse.de>
9403 PR tree-optimization/22548
9404 PR tree-optimization/22555
9405 PR tree-optimization/22501
9406 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9407 * params.def (salias-max-array-elements): New parameter.
9408 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9409 * doc/invoke.texi (salias-max-array-elements): Document.
9410 * tree-flow-inline.h (var_can_have_subvars): We also handle
9412 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9414 * tree-ssa-structalias.c (params.h): Include.
9415 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9416 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9417 (get_constraint_for): For ADDR_EXPR operating on something
9418 containing an ARRAY_REF, add all subvars to the solution.
9419 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9420 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9421 for creating MUST_DEFs.
9422 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9424 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9426 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9428 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9429 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9430 number_of_iterations_le): New functions.
9431 (number_of_iterations_special): Removed.
9432 (number_of_iterations_exit): Do not use number_of_iterations_special.
9433 * tree.c (unsigned_type_for): Always return integer type.
9435 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9436 Richard Guenther <rguenther@suse.de>
9438 PR rtl-optimization/24257
9439 * gcse.c (find_moveable_store): Only consider a store movable
9440 when the SET_SRC of the insn can be assigned to a register.
9442 2006-01-14 Ian Lance Taylor <ian@airs.com>
9444 * tree.c (tree_not_class_check_failed): New function.
9445 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9446 (tree_not_class_check_failed): Declare.
9448 2006-01-13 Ian Lance Taylor <ian@airs.com>
9450 * reload1.c (do_output_reload): Add assertion rejecting a
9453 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9455 * combine.c (struct reg_stat): Add new fields truncation_label and
9457 (record_value_for_reg): Reset truncated_to_mode.
9458 (record_truncated_value): New function.
9459 (check_promoted_subreg): Call it. Rename to check_conversions.
9460 (combine_instructions): Rename check_promoted_subreg to
9462 (reg_truncated_to_mode): New function.
9463 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9464 (gen_lowpart_or_truncate): New function.
9465 (force_to_mode): Use it instead of gen_lowpart.
9467 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9469 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9470 VAR is a tag, not its type tag.
9472 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9474 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9475 alternatives to match style of other entries.
9476 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9478 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9480 PR tree-optimization/25771
9481 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9484 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9487 * tree-inline.c (declare_return_variable): If the return variable
9488 was marked as a non gimple complex, set the return slot variable
9489 to be a non gimple comple variable.
9491 2006-01-13 Richard Guenther <rguenther@suse.de>
9493 * builtins.c (expand_builtin_sincos): New function.
9494 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9496 (expand_builtin): Expand sincos using expand_builtin_sincos.
9498 2006-01-12 DJ Delorie <dj@redhat.com>
9500 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9501 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9502 so that constant shifts can be split.
9503 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9504 (m32c_valid_pointer_mode): Make static.
9505 (shift_gen_func_for): New.
9506 (m32c_prepare_shift): Use it. Split large const shifts into
9508 * config/m32c/predicates.md (shiftcount_operand): Allow more
9510 (longshiftcount_operand): New.
9511 * doc/md.texi (Machine Constraints): Document In6.
9513 2006-01-13 Ben Elliston <bje@au.ibm.com>
9515 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9516 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9519 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9521 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9522 to try to avoid clobbering pieces of structures when we know
9523 something about the whole structure.
9524 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9526 2006-01-13 Ben Elliston <bje@au.ibm.com>
9528 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9529 return in memory, as this is no limitation is no longer present.
9531 2006-01-12 DJ Delorie <dj@redhat.com>
9533 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9534 mova with fb, and for fb+0 -> An.
9536 * config/m32c/mov.md (peephole2): Fix enabling logic.
9538 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9539 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9540 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9541 FINI_ARRAY_SECTION_ASM_OP): Define.
9543 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9545 (m32c_legitimize_reload_address): New logic to reload FB to An.
9546 (m32c_output_reg_push): Add newline.
9547 (m32c_output_reg_pop): Likewise.
9549 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9551 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9553 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9555 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9557 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9559 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9562 2006-01-11 Ben Elliston <bje@au.ibm.com>
9564 * rtlanal.c (find_reg_note): Assert insn is not null.
9566 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9568 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9571 2006-01-11 Jeff Law <law@redhat.com>
9573 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9575 (mark_threaded_blocks, register_jump_thread): New functions.
9576 (thread_through_all_blocks): Remove unwanted argument. No
9577 longer rely on e->aux to communicate thread target info.
9578 Call mark_threaded_blocks. Release the threaded_blocks
9579 bitmap and threaded_edges vector when complete.
9580 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9581 (threaded_blocks): Remove.
9582 (tree_ssa_dominator_optimize): Remove initialization and
9583 finalization of threaded_blocks. Simplify call to
9584 thread_through_all_blocks.
9585 (thread_across_edge): Call register_jump_thread rather than
9586 storing thread information into e->aux.
9587 (free_all_edge_infos): Simplify now that e->aux is no longer
9588 used to communicate with thread_through_all_blocks.
9589 * tree-flow.h (thread_through_all_blocks): Update prototype.
9590 (register_jump_thread): Prototype.
9592 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9594 * df-core.c (df_compact_blocks, df_bb_replace): Use
9595 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9597 2006-01-11 Richard Guenther <rguenther@suse.de>
9599 PR tree-optimization/25734
9600 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9601 stop propagation after successful propagation to the LHS.
9603 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9605 * basic-block.h (control_flow_graph): Change the type of
9606 x_basic_block_info to VEC(basic_block,gc) *.
9607 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9609 (SET_BASIC_BLOCK): New.
9610 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9611 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9612 * cfgbuild.c (find_basic_blocks): Likewise.
9613 * cfglayout.c (fixup_reorder_chain): Likewise.
9614 * cfgrtl.c (create_basic_block_structure,
9615 rtl_create_basic_block): Likewise.
9616 * ifcvt.c (find_if_case_1): Likewise.
9617 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9620 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9622 * Makefile.in: Removed rotted odf.c entry.
9624 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9627 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9628 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9629 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9630 output pattern modifier, not %e.
9631 * config/cris/cris.c (cris_op_str): Update comment about pattern
9633 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9634 before falling through into...
9635 <case 'E'>: Redefined from old 'e' case.
9637 2006-01-11 Jan Hubicka <jh@suse.cz>
9640 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9642 2006-01-11 Jan Hubicka <jh@suse.cz>
9644 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9645 * i386.c (x86_decompose_lea): Kill.
9646 (ix86_rtx_costs): Kill.
9648 2006-01-11 Jan Hubicka <jh@suse.cz>
9650 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9651 * cgraph.h (cgraph_node): Add inline_decl.
9652 (cgraph_insert_node_to_hashtable): Declare.
9653 (save_inline_function_body): Declare.
9654 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9656 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9657 (cgraph_function_versioning): Update call of tree_function_versioning.
9658 (save_inline_function_body): New function.
9659 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9660 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9661 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9662 (cgraph_default_inline_p): Likewise.
9663 (cgraph_decide_inlining_incrementally): Likewise.
9664 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9665 (copy_bb): Kill saving; do updating of clones.
9666 (copy_cfg_body): Kill saving.
9667 (initialize_inlined-parameters): Likewise.
9668 (expand_call_inline): Likewise.
9670 (tree_function_versioning): New parameter "update_clones".
9671 (inlining_p): Kill saving.
9672 * tree-inline.h (tree_function_versioning): Update prototype.
9673 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9676 2006-01-11 Ian Lance Taylor <ian@airs.com>
9678 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9679 Allow undoing set of machine mode.
9680 (do_SUBST): Use enums instead of is_int.
9681 (do_SUBST_MODE): New function.
9682 (SUBST_MODE): New macro.
9683 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9684 reg and trying to replace reg_regno_rtx with a new register.
9685 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9686 (simplify_set): Use SUBST_MODE.
9687 (distribute_notes): Remove code that tried to update reg notes
9688 for regno_reg_rtx changes.
9690 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9692 PR tree-optimization/23109
9693 PR tree-optimization/23948
9694 PR tree-optimization/24123
9696 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9697 * tree-cfg.c (single_noncomplex_succ): New.
9698 * tree-flow.h (single_noncomplex_succ): Declare it.
9699 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9700 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9701 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9702 insert_bb, register_division_in, insert_reciprocals,
9703 replace_reciprocal, free_bb): New.
9704 (execute_cse_reciprocals_1): Rewritten.
9705 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9706 Do not commit any edge insertion. Always compute dominators and
9707 create the allocation pool.
9708 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9709 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9710 * targhooks.c (default_min_divistions_for_recip_mul): New.
9711 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9712 * passes.c (init_optimization_passes): Run recip after tree loop
9714 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9716 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9717 Kenneth Zadeck <zadeck@naturalbridge.com>
9719 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9720 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9721 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9722 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9723 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9724 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9725 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9726 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9727 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9728 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9729 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9730 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9731 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9732 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9733 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9734 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9735 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9736 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9737 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9738 DF_SCAN_POST_ALLOC): New macros.
9739 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9740 df_free_bb_function, df_local_compute_function, df_init_function,
9741 df_dataflow_function, df_confluence_function_0,
9742 df_confluence_function_n, df_transfer_function,
9743 df_finalizer_function, df_free_function, df_dump_problem_function,
9744 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9745 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9746 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9747 df_urec_bb_info, ) New types.
9748 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9750 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9751 df_analyze_simple_change_some_blocks,
9752 df_analyze_simple_change_one_block, df_compact_blocks,
9753 df_bb_replace, df_bb_regno_last_use_find,
9754 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9755 df_insn_regno_def_p, df_find_def, df_find_use,
9756 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9757 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9758 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9759 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9760 debug_df_chain, df_get_dependent_problem, df_chain_create,
9761 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9762 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9763 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9764 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9765 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9766 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9767 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9768 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9769 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9770 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9771 df_reorganize_refs, df_set_state, df_hard_reg_init,
9772 df_read_modify_subreg_p) New public functions.
9773 * df-core.c: The core dataflow solver and glue routines for rtl
9775 (df_init, df_add_problem, df_set_blocks, df_finish,
9776 df_hybrid_search_forward, df_hybrid_search_backward,
9777 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9778 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9779 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9780 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9781 df_reg_defined, df_find_use, df_reg_used, df_dump,
9782 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9783 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9784 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9785 debug_df_useno, reset_df_after_reload): New functions.
9786 * df-scan.c: The scanning fuctions, once in df.c, completely
9787 rewritten so that they now fully model the functionality of
9788 register usage at the backend.
9789 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9790 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9791 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9792 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9793 df_get_artificial_defs, df_get_artificial_uses,
9794 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9795 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9796 df_refs_delete, df_reorganize_refs, df_set_state,
9797 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9798 df_def_record_1, df_defs_record, df_uses_record,
9799 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9800 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9801 df_record_exit_block_uses, df_hard_reg_init): New functions.
9803 * df-problems.c: Seven concrete dataflow problems that use the
9804 scanning in df-scan.c and are solved by the engine in df-core.c.
9805 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9806 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9807 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9808 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9809 df_ru_free_bb_info, df_ru_alloc,
9810 df_ru_bb_local_compute_process_def,
9811 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9812 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9813 df_ru_transfer_function, df_ru_free, df_ru_dump,
9814 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9815 df_rd_free_bb_info, df_rd_alloc,
9816 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9817 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9818 df_rd_transfer_function, df_rd_free, df_rd_dump,
9819 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9820 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9821 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9822 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9823 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9824 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9825 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9826 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9827 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9828 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9829 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9830 df_urec_mark_reg_use_for_earlyclobber,
9831 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9832 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9833 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9834 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9835 df_chain_create_bb_process_use, df_chain_create_bb,
9836 df_chain_finalize, df_chain_free, df_chains_dump,
9837 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9838 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9839 df_reg_lifetime): New functions.
9840 * df.c: Deleted file.
9841 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9842 consistent with new df api.
9843 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9844 rest_of_handle_sms): Ditto.
9845 * web.c (unionfind_union, union_defs, entry_register, web_main):
9847 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9848 invariant_expr_equal_p, find_defs, check_dependencies,
9849 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9850 free_inv_motion_data, move_loop_invariants): Ditto.
9851 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9852 Update dependencies.
9853 (odf.c): Added defective entry that was deleted later in day.
9854 * sched-deps.c (sched_analyze_1): Ditto.
9856 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9858 * tree-ssa-operands.c (get_expr_operands): Record addressable
9859 variables directly. Do not call add_stmt_operands for CONST_DECLs
9861 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9862 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9864 2006-01-11 Ben Elliston <bje@au.ibm.com>
9866 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9867 function returns true in the positive case.
9869 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9872 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9873 for SI, DI, SF and DF modes. Add alternatives to copy between
9874 general and floating point registers to the 32-bit patterns.
9875 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9876 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9877 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9878 generating 64-bit code.
9879 * config/pa/pa.c (output_move_double): Handle copies between general
9880 and floating registers.
9882 2006-01-10 Stuart Hastings <stuart@apple.com>
9884 * config/i386/i386.md (set_got): Update.
9885 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9886 (builtin_setjmp_receiver): Mach-O support.
9887 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9888 (GOT_SYMBOL_NAME): Define.
9889 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9890 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9891 * config/i386/i386.c (override_options): Revise for Darwin.
9892 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9893 support. (darwin_x86_file_end): New. (output_set_got): Add label
9894 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9895 * config/i386/i386-protos.h (output_set_got): Likewise.
9896 * config/darwin.c (machopic_legitimize_pic_address): Update
9899 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9901 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9902 when MODE isn't BLKmode.
9904 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9906 PR rtl-optimization/25367
9907 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9909 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9912 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9913 for a negative bound.
9915 2006-01-10 Richard Guenther <rguenther@suse.de>
9917 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9918 Never override with anything constraint.
9920 2006-01-10 Jan Beulich <jbeulich@novell.com>
9922 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9923 256 bits when optimize_size.
9925 2006-01-10 Jan Beulich <jbeulich@novell.com>
9927 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9929 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9930 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9933 2006-01-10 Ben Elliston <bje@au.ibm.com>
9935 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9937 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9938 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9939 (USE_FP_FOR_ARG): Reject decimal float modes.
9940 (function_arg_advance): Likewise.
9941 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9942 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9943 point types in AltiVec vectors.
9944 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9945 (rs6000_libcall_value): Likewise.
9947 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9949 * config/xtensa/ieee754-df.S: New file.
9950 * config/xtensa/ieee754-sf.S: New file.
9951 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9952 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9953 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9955 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9957 * config/sh/predicates.md (binary_float_operator,
9958 binary_logical_operator, commutative_float_operator,
9959 equality_comparison_operator, greater_comparison_operator,
9960 less_comparison_operator, logical_operator,
9961 noncommutative_float_operator, shift_operator,
9962 symbol_ref_operand, unary_float_operator): Remove redundant
9965 2006-01-09 Jeff Law <law@redhat.com>
9967 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9968 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9969 now unused arguments. Callers updated.
9970 (eliminate_redundant_computations): Remove now unused arguments,
9972 (local_fold): Remove, no longer used.
9973 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9975 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9976 (simplify_cond): New function.
9977 (forward_propagate_into_cond): Call simplify_cond.
9979 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9981 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9982 (*vec_extractv2di_1_sse): New.
9984 2006-01-09 Ben Elliston <bje@au.ibm.com>
9986 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9988 2006-01-08 Richard Guenther <rguenther@suse.de>
9990 * tree-ssa-structalias.c (get_constraint_for): Remove
9992 (get_constraint_for_component_ref): Likewise.
9993 (do_deref): Likewise.
9994 (get_constraint_for): Likewise.
9995 (do_structure_copy): Likewise.
9996 (handle_ptr_arith): Likewise.
9997 (find_func_aliases): Likewise. Remove unused need_anyoffset
10000 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10001 Kaz Kojima <kkojima@gcc.gnu.org>
10003 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10004 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10005 (EXTRA_CONSTRAINT_C16): Remove.
10006 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10007 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10008 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10009 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10010 constants of SHmedia. Handle nested constant expressions of
10012 (andcosts): Fix the costs for SHmedia constants.
10013 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10014 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10015 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10016 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10017 (movv4hi_i, movv2si_i): Likewise.
10018 (movsi_const): Adjust the second operand of ior so to match with
10019 the Csu constraint.
10020 (movdi_const, movdi_const_32bit): Likewise.
10021 (movdi_const_16bit+1): Don't sign-extend LOW.
10022 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10024 (*double_shori): Fix the split condition. Use GEN_INT instead
10025 of get_int_mode calls. Mask lower 16-bit of the argument of
10027 (sym2GOTPLT): Remove.
10028 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10030 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10031 instead of EXTRA_CONSTRAINT_C16.
10033 2006-01-07 Ian Lance Taylor <ian@airs.com>
10034 David Edelsohn <edelsohn@gnu.org>
10036 PR rtl-optimization/25662
10037 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10038 for constant operands instead of simplify_gen_binary.
10039 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10040 after trying simplify_binary_operation
10042 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10044 * tree.c (iterative_hash_expr): Hash decls based on UID.
10046 2006-01-06 Eric Christopher <echristo@apple.com>
10048 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10049 (TARGET_UNWIND_EMIT): Fix spelling.
10050 * target.h (gcc_target): Add except_table_label.
10051 * except.c (output_function_exception_table): Use.
10052 * varasm.c (default_emit_except_table_label): New.
10053 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10055 (asm_out): Add here.
10056 * output.h (default_emit_except_table_label): Prototype.
10057 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10058 * config/darwin.c (darwin_emit_except_table_label): Define.
10059 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10061 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10063 PR tree-optimization/18527
10064 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10065 number_of_iterations_special, number_of_iterations_exit):
10066 Move base and step of an iv to a single structure. Add
10067 no_overflow flag, and use it in # of iterations analysis.
10068 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10069 folded_casts argument.
10070 (simple_iv): Pass base and step in a structure. Set no_overflow
10072 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10073 Evaluate expensiveness of computing # of iterations instead of
10074 the final expression.
10075 * tree-scalar-evolution.h (affine_iv): New structure.
10076 (simple_iv): Declaration changed.
10077 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10078 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10079 find_givs_in_stmt): Changed due to simple_iv change.
10081 2006-01-06 Jeff Law <law@redhat.com>
10084 * tree-cfg.c (bsi_replace): Rename final argument from
10085 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10086 change (stmt -> orig_stmt).
10087 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10088 (bsi_remove): Add new argument. Remove EH information
10090 (verify_eh_throw_table_statements): New function.
10091 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10093 * tree-optimize.c (execute_free_cfg_annotations): Verify
10094 the EH throw statement table after removing annotations.
10095 * except.h (verify_eh_throw_table_statements): Prototype.
10096 * tree-flow.h (bsi_remove): Update prototype.
10097 * tree-vrp.c (remove_range_assertions): Add new argument to
10099 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10100 * tree-complex.c (expand_complex_div_wide): Likewise.
10101 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10102 * tree-tailcall.c (eliminate_tailcall): Likewise.
10103 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10104 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10105 * tree-nrv.c (tree_nrv): Likewise.
10106 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10107 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10108 (combine_blocks): Likewise.
10109 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10110 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10111 (cleanup_control_flow): Likewise.
10112 (remove_forwarder_block): Likewise.
10113 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10114 * tree-sra.c (sra_replace): Likewise.
10115 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10116 (forward_propagate_single_use_vars): Likewise.
10117 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10118 * tree-inline.c (expand_call_inline): Likewise.
10119 * tree-vect-transform.c (vect_transform_loop): Likewise.
10120 * tree-outof-ssa.c (rewrite_trees): Likewise.
10121 * tree-cfg.c (make_goto_expr_edges): Likewise.
10122 (cleanup_dead_labels): Likewise.
10123 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10124 (bsi_move_before, bsi_move_after): Likewise.
10125 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10126 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10128 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10131 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10133 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10134 on non gimple variables. Also add checks at the top for decls and
10136 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10138 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10139 and IMAGPART_EXPR for creating MUST_DEFs.
10140 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10141 and NAME_MEMORY_TAG separately from the DECLs.
10143 2006-01-06 Richard Guenther <rguenther@suse.de>
10145 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10146 annotation, if necessary.
10147 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10148 redundant calls to update_stmt.
10149 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10152 2006-01-05 Richard Henderson <rth@redhat.com>
10154 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10156 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10158 * c-typeck.c: Update copyright date.
10160 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10162 * c-typeck.c (build_c_cast): Always warn when casting
10163 from a pointer to an integer of different size, even if
10164 the node was constant.
10166 2006-01-05 Richard Guenther <rguenther@suse.de>
10168 PR tree-optimization/22555
10169 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10170 if one structure field is an array.
10171 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10172 operands even if we found a subvar, but ignore VOPs in this
10174 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10176 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10178 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10180 PR middle-end/24998
10181 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10183 2006-01-05 Richard Guenther <rguenther@suse.de>
10184 Diego Novillo <dnovillo@redhat.com>
10186 * tree-pass.h (TODO_remove_unused_locals): Define.
10187 * gimple-low.c (expand_var_p, remove_useless_vars,
10188 pass_remove_useless_vars): Remove. Update all users.
10189 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10190 (remove_unused_locals): New function.
10191 * tree-flow.h (remove_unused_locals): Declare.
10192 * passes.c (execute_todo): Call remove_unused_locals if
10193 TODO_remove_unused_locals is set.
10194 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10195 * tree-ssa-dce.c (pass_dce): Likewise.
10196 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10198 2006-01-05 Richard Guenther <rguenther@suse.de>
10200 * tree-flow.h (struct fieldoff): Decompose field to
10201 type, size and decl.
10202 * tree-ssa-alias.c (create_sft): Take type as parameter.
10203 (create_overlap_variables_for): Store type, size and decl
10204 in the fieldoff structure.
10205 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10206 of struct fieldoff.
10207 (push_fields_onto_fieldstack): Likewise.
10208 (create_variable_info_for): Likewise. Use offset for the
10209 SFT name if the decl is not available.
10211 2006-01-04 Paul Brook <paul@codesourcery.com>
10213 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10215 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10217 * lambda-code.c (can_put_in_inner_loop): Relax
10219 (can_put_after_inner_loop): New function.
10220 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10221 (perfect_nestify): Change to make copies and modify uses.
10223 2006-01-04 Richard Henderson <rth@redhat.com>
10225 Merge from gomp branch:
10226 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10227 via integer constant.
10228 (pragma_lex): Remove.
10229 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10230 rather than parsing it.
10231 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10232 handle_pragma_extern_prefix): Add %< %> quotes.
10233 (registered_pragmas): New.
10234 (c_register_pragma_1): New.
10235 (c_register_pragma): Use it.
10236 (c_register_pragma_with_expansion): Likewise.
10237 (c_invoke_pragma_handler): New.
10238 (init_pragma): Use cpp_register_deferred_pragma directly for
10240 * c-pragma.h (enum pragma_kind): New.
10241 (pragma_handler): New.
10242 (c_invoke_pragma_handler): Declare.
10243 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10245 * c-common.h (c_common_pch_pragma): Update decl.
10246 * Makefile.in (c-parser.o): Update dependencies.
10247 (GTFILES): Add c-pragma.h.
10248 * c-parser.c (struct c_token): Add pragma_kind.
10249 (struct c_parser): Add in_pragma.
10250 (c_lex_one_token): Always initialize keyword and pragma_kind.
10251 Extract data for CPP_PRAGMA.
10252 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10253 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10254 Don't allow CPP_PRAGMA_EOL if in_pragma.
10255 (c_parser_consume_pragma): New.
10256 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10257 (c_parser_skip_to_end_of_parameter): Likewise.
10258 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10259 (c_parser_skip_to_pragma_eol): New.
10260 (c_parser_external_declaration): Handle CPP_PRAGMA.
10261 (c_parser_compound_statement_nostart): Likewise.
10262 (c_parser_statement_after_labels): Likewise.
10263 (c_parser_pragma): New.
10264 (pragma_lex): Likewise.
10265 (c_parser_pragma_pch_preprocess): New.
10266 (c_parser_new): Merge into ...
10267 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10269 2006-01-04 Jeff Law <law@redhat.com>
10272 * tree-cfg.c (bsi_replace): Remove the original statement
10273 from the EH throw statement table.
10275 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10277 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10278 make the prototype extern "C" and add throw ().
10281 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10282 and pos non-negative and pos + len <= 32.
10283 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10284 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10285 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10288 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10289 as well as sizes not multiple of component size.
10292 * function.c (instantiate_expr): New function.
10293 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10294 walk its DECL_VALUE_EXPR with instantiate_expr.
10296 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10297 DW_OP_deref{,_size} if address isn't going to be added.
10299 2006-01-04 Ben Elliston <bje@au.ibm.com>
10301 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10302 * config/fp-bit.c: Likewise.
10304 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10306 * dominance.c: Add comment about why we use DFS numbering
10309 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10310 Richard Henderson <rth@redhat.com>
10312 Merge from gomp-branch:
10313 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10314 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10316 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10318 PR rtl-optimization/25578
10319 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10320 pass a parameter to simplify_shift_const if changing ASHIFTRT
10323 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10325 * builtins.c (get_builtin_sync_mem): New function.
10326 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10327 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10328 Call get_builtin_sync_mem to generate mem rtx.
10330 2006-01-03 Richard Guenther <rguenther@suse.de>
10333 * stmt.c (add_case_node): Make sure to clear overflow flags
10336 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10338 Merge from gomp-branch.
10339 * config/sparc/sync.md: New file.
10340 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10341 UNSPECV_LDSTUB): New constants.
10342 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10343 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10344 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10347 2006-01-03 Roger Sayle <roger@eyesopen.com>
10349 * combine.c (reg_subword_p): New predicate to test whether the
10350 destination of a set refers to a subword/piece of a register.
10351 (try_combine): Generalize the code to merge the setting of a
10352 pseudo to a constant followed by a set of a subword of that
10353 register to a constant.
10355 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10357 * basic-block.h (control_flow_graph): Change the type of
10358 x_label_to_block_map to VEC(basic_block,gc) *.
10359 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10360 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10362 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10363 VEC(basic_block,heap) *.
10364 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10365 ssa_prop_fini): Adjust the uses of cfg_blocks.
10367 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10369 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10371 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10372 hashing trees instead of a pointer hash.
10373 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10374 compare for MEM_EXPR.
10376 PR rtl-optimization/25130
10377 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10378 when comparing MEMs for GCSE
10380 2006-01-03 Ben Elliston <bje@au.ibm.com>
10382 * targhooks.h (default_decimal_float_supported_p): Declare.
10383 * targhooks.c (default_decimal_float_supported_p): Define.
10384 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10385 `default_decimal_float_supported_p'.
10386 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10388 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10390 * combine.c (apply_distributive_law <SUBREG>): Check
10391 TRULY_NOOP_TRUNCATION.
10393 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10395 * dwarf2out.c (have_switched_text_section): Delete.
10396 (have_multiple_function_sections): New.
10397 (have_location_lists): Make 'bool'.
10398 (add_AT_loc_list): Use 'true' not '1'.
10399 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10400 (output_loc_list): Use have_multiple_function_sections.
10401 (output_ranges): Likewise.
10402 (dwarf2out_begin_function): Set have_multiple_function_sections if
10404 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10405 Check function_section rather than DECL_SECTION_NAME.
10406 (dwarf2out_finish): Use have_multiple_function_sections.
10407 Don't clear have_location_lists.
10409 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10410 Jan Hubicka <jh@suse.cz>
10412 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10413 case of conditional jump jumping to the next instruction.
10414 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10415 cases of conditional jump jumping to the next instruction.
10417 2006-01-02 Jan Hubicka <jh@suse.cz>
10419 * i386.c (*_cost): Add COSTS_N_INSNS.
10420 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10422 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10425 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10427 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10429 * config/arm/arm.c (all_fpus): Fix comment typo.
10430 * config/darwin.c: Likewise.
10431 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10432 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10433 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10435 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10437 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10438 (rs6000_split_compare_and_swapqhi): New.
10439 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10440 (sync_compare_and_swapqhi_internal): New.
10441 * config/rs6000/rs6000-protos.h: Declare.
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