1 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
3 Fix PR tree-optimization/26626
4 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6 * tree-ssa-operands.c (access_can_touch_variable): Allow
7 typecasting through union pointers.
9 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
14 to find if var will be a global variable even in the nested context.
15 (omp_copy_decl): Only check for global variable at the end, it might
16 be overridden in outer contexts.
17 (scan_sharing_clauses): For global variables don't create a field.
18 (lower_rec_input_clauses): Do nothing for global shared variables.
19 Emit a barrier at the end of ILIST if there were any decls in both
20 firstprivate and lastprivate clauses.
21 (lower_send_clauses): Do nothing for global variables except for
24 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
26 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
27 of the correct signedness is returned.
29 2006-05-02 Jeff Law <law@redhat.com>
31 PR tree-optimization/27364
32 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
35 2006-05-02 Tom Tromey <tromey@redhat.com>
37 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
39 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
42 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
43 -mthumb -fPIC are used.
45 2006-05-02 Joshua Kinard <kumba@gentoo.org>
48 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
51 2006-05-02 Paul Brook <paul@codesourcery.com>
53 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
55 (create_fix_barrier): Check that a suitable barrier location is
57 (arm_reorg): Include ftmp->address in allowable range of addresses.
59 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
62 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
65 2006-05-02 Jakub Jelinek <jakub@redhat.com>
68 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
69 around RESULT_DECL for result passed by reference.
70 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
71 * omp-low.c (use_pointer_for_field): Don't look at
72 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
73 (scan_omp_1): Call remap_decl on RESULT_DECLs.
74 (lower_rec_input_clauses): Don't allocate VLA memory for the second
75 time or var for passing by reference for
76 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
77 TREE_ADDRESSABLE variables when passing by reference.
79 * omp-low.c (dump_omp_region): Fix output formatting.
82 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
83 (expand_omp_parallel): Likewise.
84 * tree-cfg.c (move_sese_region_to_fn): Likewise.
87 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
88 on statement list containing also constructors and destructors.
89 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
92 * except.c (duplicate_eh_regions): Fix clearing of
93 cfun->eh->region_array entries.
95 2006-05-01 DJ Delorie <dj@redhat.com>
97 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
99 (gcc_cv_objdump): Likewise.
100 * configure: Regenerated.
102 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
105 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
106 templates for case 3 and 4.
108 2006-05-01 DJ Delorie <dj@redhat.com>
110 * vec.c: Include bconfig.h when appropriate.
111 * Makefile.in (build/vec.o): Adjust dependencies.
112 * mkconfig.sh: Make sure config.h isn't used for build machine
115 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
117 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
119 (mark_phi_for_rewrite): New function.
120 (insert_phi_nodes_for, mark_use_interesting): Call
121 mark_phi_for_rewrite.
122 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
123 (update_ssa): Initialize and free phis_to_rewrite.
125 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
127 PR rtl-optimization/27291
128 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
129 folded to a constant.
131 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
133 PR tree-optimization/27283
134 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
135 not whole # of iteration descriptions.
136 (niter_for_exit): Return just # of iterations. Fail if # of iterations
137 uses abnormal ssa name.
138 (niter_for_single_dom_exit): Ditto.
139 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
140 return just the number of iterations.
142 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
144 PR tree-optimization/27144
145 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
146 (record_estimate): Only record constant upper bound.
147 (infer_loop_bounds_from_undefined): Call
148 compute_estimated_nb_iterations just once.
149 (proved_non_wrapping_p): Renamed to ...
150 (n_of_executions_at_most): ... this. Expect bound to be a constant.
151 (convert_step_widening, scev_probably_wraps_p): Call
152 n_of_executions_at_most instead of proved_non_wrapping_p.
153 (substitute_in_loop_info): Do not replace values in bounds.
154 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
157 2006-05-01 Richard Henderson <rth@redhat.com>
160 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
161 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
164 2006-05-01 Roger Sayle <roger@eyesopen.com>
166 * c-typeck.c (parser_build_binary_op): Don't call the function
167 unsigned_conversion_warning to spot operand/result type overflow.
168 (build_binary_op): Instead, call convert_and_check instead of
169 convert to report the problem when the operands are promoted.
170 * c-common.c (unsigned_conversion_warning): Make static.
171 * c-common.h (unsigned_conversion_warning): Delete prototype.
173 2006-05-01 Richard Guenther <rguenther@suse.de>
175 PR tree-optimization/26726
176 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
178 (find_interesting_uses_address): ... we work around here
179 by folding INDIRECT_REFs in the substituted base.
181 2006-05-01 Diego Novillo <dnovillo@redhat.com>
183 * omp-low.c (dump_omp_region): Add newlines.
185 2006-04-30 Roger Sayle <roger@eyesopen.com>
187 * common.opt (Woverflow): New command line option.
188 * c-common.c (constant_expression_warning): Check warn_overflow.
189 (overflow_waring): Pass OPT_Woverflow to warning.
190 (unsigned_conversion_warning): Likewise.
191 (convert_and_check): Likewise.
192 * doc/invoke.texi: Document new command line option.
194 2006-04-30 David Edelsohn <edelsohn@gnu.org>
196 * config/rs6000/rs6000.c (rs6000_override_options): Enable
197 TARGET_NO_FP_IN_TOC for section anchors.
198 (optimization_options): Enable section anchors for all
199 non-"Objective" languages.
201 2006-04-28 Eric Christopher <echristo@apple.com>
203 * config/darwin-c.c (darwin_ms_struct): Move this
204 (darwin_set_default_type_attributes): and this...
205 * config/darwin.c: ... here.
206 * config/darwin.h (darwin_ms_struct): Declare.
208 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
210 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
212 2006-04-28 Roger Sayle <roger@eyesopen.com>
215 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
216 (push_array_bounds): Delete prototype. Change BOUNDS argument to
217 an unsigned HOST_WIDE_INT.
218 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
220 (really_start_incremental_init): No need to call convert because
221 bitsize_zero_node is already of type bitsizetype.
222 (push_init_level): Extract the value of constructor_index as an
223 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
224 (process_init_element): Likewise.
226 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
228 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
229 value before passing to make_relative_prefix.
231 2006-04-28 Alan Modra <amodra@bigpond.net.au>
234 * builtins.c (expand_builtin_memset): Expand val in original mode.
236 2006-04-27 Eric Christopher <echristo@apple.com>
238 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
240 * config/darwin-c.c (darwin_ms_struct): New.
241 (darwin_pragma_ms_struct): Ditto.
242 (darwin_set_default_type_attributes): Ditto.
243 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
244 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
245 Register ms_struct pragma.
246 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
247 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
248 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
249 darwin_set_default_type_attributes if TARGET_MACHO.
251 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
253 PR tree-optimization/26854
254 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
255 * doc/tree-ssa.texi: Update immuse iterator documentation.
256 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
257 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
258 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
259 first_safe_imm_use, next_safe_imm_use): Remove.
260 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
261 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
262 (move_use_after_head): New. Helper function to sort immuses in a stmt.
263 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
264 (first_imm_use_stmt): New. Get first stmt in an immuse list.
265 (next_imm_use_stmt): New. Get next stmt in an immuse list.
266 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
267 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
268 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
269 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
270 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
271 (perfect_nestify): Use new iterator.
272 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
274 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
275 (next_imm_name): New field in struct immediate_use_iterator_d.
276 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
277 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
278 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
279 * tree-cfg.c (replace_uses_by): Use new iterator.
280 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
281 * tree-ssa-operands.c (correct_use_link): Remove.
282 (finalize_ssa_use_ops): No longer call correct_use_link.
284 2006-04-27 Stuart Hastings <stuart@apple.com>
286 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
287 * config/t-darwin (crt3.o): Use it.
288 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
289 'pmode', use Pmode instead of SImode for SYMBOL_REF.
290 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
291 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
292 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
295 2006-04-27 Roger Sayle <roger@eyesopen.com>
297 * expmed.c (store_fixed_bit_field): If we're not optimizing for
298 size, force the intermediate into a new pseudo rather instead of
299 performing both a bitwise AND and a bitwise IOR in memory.
301 2006-04-27 Richard Guenther <rguenther@suse.de>
303 PR rtl-optimization/26685
304 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
305 this one "max-flow-memory-locations".
307 2006-04-27 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/25148
310 * tree-vrp.c (compare_values): Remove code dealing with
311 comparisons against type min/max value. Honour overflow
312 and negative constants in code dealing with comparisons
313 of plus and minus expressions.
314 (value_inside_range): Use fold_binary with LE_EXPR and
315 GE_EXPR rather than compare_values.
317 2006-04-27 Dirk Mueller <dmueller@suse.de>
319 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
322 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
324 * basic-block.h (safe_insert_insn_on_edge): Removed.
325 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
328 2006-04-26 David Edelsohn <edelsohn@gnu.org>
329 Paolo Bonzini <bonzini@gnu.org>
332 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
333 (simplify_and_const_int): Same.
335 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
337 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
339 2006-04-26 Jakub Jelinek <jakub@redhat.com>
342 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
343 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
344 cgraph_global_info_ready.
347 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
350 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
351 either decl or init is error_mark_node.
354 * tree-flow.h (struct omp_region): Add sched_kind.
355 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
356 instead of extracting omp for data.
357 (expand_omp_for): Save extracted sched_kind.
359 2006-04-25 Roger Sayle <roger@eyesopen.com>
361 * expmed.c (store_bit_field): Also check whether the bitsize is
362 valid for the machine's "insv" instruction before moving the
363 target into a pseudo for use with the insv.
364 * config/i386/predicates.md (const8_operand): New predicate.
365 * config/i386/i386.md (extv, extzv, insv): Use the new
366 const8_operand predicate where appropriate.
368 2006-04-25 DJ Delorie <dj@redhat.com>
370 * doc/install.texi (Specific): Clarify that this is not a list of
371 supported hosts or targets.
373 2006-04-25 Richard Sandiford <richard@codesourcery.com>
375 PR rtl-optimization/26725
376 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
377 block's BB_DIRTY flag.
379 2006-04-25 Geoffrey Keating <geoffk@apple.com>
381 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
384 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
387 2006-04-25 David Edelsohn <edelsohn@gnu.org>
389 * varasm.c (align_variable): New function.
390 (get_block_for_decl): Apply align_variable to DECL before
391 calculating section information.
392 (assemble_variable): Split out alignment computation.
394 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
396 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
399 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
401 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
402 MODE_PARTIAL_INT mode.
403 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
404 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
406 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
407 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
409 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
411 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
413 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
414 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
415 MACFLAG_IH): Likewise.
416 (movstricthi_1): Renamed from "*movstricthi".
417 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
418 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
419 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
420 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
421 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
422 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
423 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
424 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
425 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
426 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
427 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
428 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
429 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
430 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
431 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
433 * doc/rtl.texi (ss_ashift): Improve wording.
435 2006-04-24 Geoffrey Keating <geoffk@apple.com>
437 * dwarf2out.c (verify_marks_clear): New.
438 (prune_unused_types): Call verify_marks_clear initially, not
441 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
443 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
444 * doc/rtl.texi: Document them.
445 * simplify-rtx.c (simplify_unary_operation,
446 simplify_binary_operation_1): Don't abort when we see them.
448 2006-04-24 Mark Mitchell <mark@codesourcery.com>
451 2006-04-23 Mark Mitchell <mark@codesourcery.com>
452 * configure.ac: Completely disregard languages that are not
454 * configure: Regenerated.
456 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
457 Richard Guenther <rguenther@suse.de>
459 PR tree-optimization/27236
460 * tree-inline.c (copy_body_r): Make sure to copy
461 TREE_THIS_VOLATILE flag.
463 2006-04-24 Richard Guenther <rguenther@suse.de>
466 * tree-complex.c (update_parameter_components): Don't handle
467 unused parameters which have no default def.
469 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
470 Richard Guenther <rguenther@suse.de>
472 PR tree-optimization/27218
473 * tree-inline.c (expand_call_inline): Strip useless type
474 conversions for the return slot address.
476 2006-04-24 Richard Guenther <rguenther@suse.de>
478 * cfgloop.h (struct loops): Remove unused field array. Reorder
480 (LOOP_PREFETCH): Remove.
482 2006-04-24 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/22525
485 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
486 variable, adjust types of generated expressions.
488 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
490 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
491 (tree-vect-patterns.o): Likewise.
493 (cselib.o): Likewise.
494 (loop-doloop.o): Likewise.
495 (regclass.o): Likewise.
496 (reload1.o): Likewise.
497 (explow.o): Replace target.h with $(TARGET_H).
498 (ipa-prop.o): Likewise.
499 (ipa-cp.o): Likewise.
500 (ipa-inline.o): Likewise.
502 (reg-stack.o): Likewise.
504 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
506 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
508 2006-04-23 Mark Mitchell <mark@codesourcery.com>
510 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
512 * configure.ac: Completely disregard languages that are not
514 * configure: Regenerated.
517 * c-common.h (c_build_bitfield_integer_type): Declare.
518 * c-decl.c (c_build_bitfield_integer_type): Move to ...
519 * c-common.c (c_build_bitfield_integer_type): ... here.
521 2006-04-23 Roger Sayle <roger@eyesopen.com>
524 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
525 a SImode SUBREG of a floating point register after no_new_pseudos.
527 2006-04-23 Roger Sayle <roger@eyesopen.com>
529 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
530 identify potentially eliminable registers to additionally catch
531 VIRTUAL_INCOMING_ARGS_REGNUM.
532 (addsi3): Update the conditions on when to use addsi_small_int.
534 2006-04-23 Roger Sayle <roger@eyesopen.com>
537 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
538 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
539 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
541 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
543 * fold-const.c (range_predecessor): Use operand_equal_p
544 as the predicate for equality.
545 (range_successor): Likewise.
547 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
550 * config/soft-fp/op-common.h: Fix a typo.
552 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
555 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
556 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
558 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
560 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
562 * doc/tm.texi: Fix a typo.
564 2006-04-21 Geoffrey Keating <geoffk@apple.com>
566 * dwarf2out.c (struct die_struct): Document that die_sib makes
567 a circular linked list.
568 (FOR_EACH_CHILD): New.
569 (reverse_die_lists): Delete.
570 (reverse_all_dies): Delete.
571 (add_dwarf_attr): Correct documentation.
572 (remove_child_with_prev): New.
573 (remove_child_TAG): Update for change to die_struct, use
574 remove_child_with_prev.
575 (add_child_die): Update for change to die_struct.
576 (splice_child_die): Use remove_child_with_prev and add_child_die.
577 (print_die): Use FOR_EACH_CHILD.
578 (die_checksum): Likewise.
579 (assign_symbol_names): Likewise.
580 (output_location_lists): Likewise.
581 (build_abbrev_table): Likewise.
582 (calc_die_sizes): Likewise.
583 (mark_dies): Likewise.
584 (unmark_dies): Likewise.
585 (unmark_all_dies): Likewise.
586 (output_die): Likewise.
587 (prune_unused_types_mark): Likewise.
588 (prune_unused_types_walk): Likewise.
589 (same_die_p): Update for change to die_struct.
590 (break_out_includes): Likewise.
591 (prune_unused_types_prune): Likewise.
592 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
593 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
595 (dwarf2out_finish): Don't call reverse_all_dies.
597 2006-04-21 Eric Christopher <echristo@apple.com>
599 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
600 in comments and function names.
602 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
605 * c-typeck.c (digest_init): Robustify.
607 * c-typeck.c (pop_init_level): Simplify.
609 2006-04-21 Steve Ellcey <sje@cup.hp.com>
611 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
613 2006-04-21 Paul Brook <paul@codesourcery.com>
615 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
616 hardware floating point.
618 2006-04-21 David Edelsohn <edelsohn@gnu.org>
620 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
623 2006-04-21 Nick Clifton <nickc@redhat.com>
625 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
628 2006-04-21 Alan Modra <amodra@bigpond.net.au>
631 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
632 C++ lang type in traceback table for Objective-C++.
634 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
636 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
638 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
640 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
643 * tree-mudflap.c (mudflap_finish_file): Skip function when there
644 were errors. Remove check for erroneous objects.
646 2006-04-20 Jeff Law <law@redhat.com>
648 PR tree-optimization/26854
649 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
650 checking for zero or one use.
651 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
652 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
653 * tree-ssa-reassoc.c (negate_value): Similarly.
654 (reassociate_bb): Similarly.
656 2006-04-20 Jakub Jelinek <jakub@redhat.com>
658 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
659 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
660 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
662 2006-04-20 Alan Modra <amodra@bigpond.net.au>
664 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
665 fp regs if the last fp arg doesn't fit in regs.
667 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
670 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
671 that the last insn has the REG_INC note.
673 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
674 Nathan Sidwell <nathan@codesourcery.com>
677 * stor-layout.c (update_alignment_for_field): Do not align
679 (place_union_field): Place union field at the start of the union.
680 (place_field): Move ERROR_MARK check later, and use the current
681 allocation position to maintain monotonicity.
683 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
685 * dominance.c: Include timevar.h.
686 (calculate_dominance_info): Use TV_DOMINANCE.
687 * timevar.def (TV_DOMINANCE): New timevar.
688 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
690 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
692 PR rtl-optimization/14261
693 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
694 move would be an INSV insn.
695 (noce_process_if_block): Don't optimize if the destination is a
696 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
698 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
700 * config/s390/s390.md: Add comments with the instructions emitted
701 by an insn pattern if macros are used.
703 2006-04-19 Alan Modra <amodra@bigpond.net.au>
705 PR rtl-optimization/26026
706 * fold-const.c (fold_binary): Optimize div and mod where the divisor
707 is a known power of two shifted left a variable amount.
709 2006-04-18 Geoffrey Keating <geoffk@apple.com>
711 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
712 to hash table twice when the debug_str section has SECTION_MERGE.
714 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
716 * config/soft-fp: New directory. From glibc.
717 * config/soft-fp/t-softfp: New.
718 * config/soft-fp/README: New.
719 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
720 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
721 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
722 (LIBGCC_DEPS): Add $(SFP_MACHINE).
723 * config.gcc: Use rs6000/t-fprules-fpbit or
724 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
726 * config/rs6000/sfp-machine.h: New. Based on glibc.
727 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
729 * config/rs6000/t-fprules: Remove fp-bit rules.
730 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
731 * config/rs6000/t-linux64: Likewise. Remove duplicates from
732 LIB2FUNCS_EXTRA. Remove fp-bit rules.
733 (softfp_wrap_start, softfp_wrap_end): New.
735 2006-04-18 DJ Delorie <dj@redhat.com>
737 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
739 2006-04-18 Devang Patel <dpatel@apple.com>
741 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
743 2006-04-18 Nick Clifton <nickc@redhat.com>
745 * config/sh/t-symbian: Add rule to build sh-c.o
746 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
747 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
748 (sh_symbian_encode_section_info): Likewise.
750 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
752 * builtins.c (expand_builtin_strcmp): Cover label definition of
753 do_libcall with HAVE_cmpstrnsi.
755 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
757 * function.c (temp_slots_at_level, max_slot_level): Use VEC
759 * function.h (temp_slot_p): New.
760 (function): Change the type of x_used_temp_slots to
761 VEC(temp_slot_p,gc) *.
763 2006-04-18 Nick Clifton <nickc@redhat.com>
765 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
766 flag_strength_reduce.
768 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
770 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
774 Partial revert of revision 112637
775 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
776 Dale Johannesen <dalej@apple.com>
779 * regclass.c (struct reg_pref): Update documentation.
780 (regclass): Set prefclass to NO_REGS if memory is the best option.
781 (record_reg_classes): Cope with a prefclass set to NO_REGS.
783 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
785 PR tree-optimization/26821
786 * tree-ssa-math-opts.c (get_constant_one): New.
787 (insert_reciprocals): Use it.
789 2006-04-17 Geoffrey Keating <geoffk@apple.com>
791 * dwarf2out.c (free_AT): Delete.
792 (remove_AT): Update string ref counts.
793 (remove_child_TAG): Don't call free_die.
795 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
797 (prune_unused_types_walk_attribs): Reset string refcounts.
798 (prune_unused_types_update_strings): New.
799 (prune_unused_types_prune): Don't make unnecessary stores. Don't
800 call free_die. Do call prune_unused_types_update_strings.
801 (prune_unused_types): Empty debug_str_hash.
803 2006-04-17 Roger Sayle <roger@eyesopen.com>
805 * expr.c (expand_assignment): Optimize away no-op moves where the
806 source and destination are equal and have no side-effects.
808 2006-04-17 Richard Guenther <rguenther@suse.de>
811 * reload.c (push_reload): Guard calls to get_secondary_mem
814 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
816 * alias.c (reg_base_value, old_reg_base_value): Change the
817 type to VEC(rtx,gc) *.
818 (REG_BASE_VALUE, find_base_value, record_set,
819 init_alias_analysis): Use VEC instead of VARRAY.
821 * alias.c (alias_sets): Change the type to
822 VEC(alias_set_entry,gc) *.
823 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
824 VEC instead of VARRAY.
825 (last_alias_set): Remove.
827 * cgraph.h (cgraph_edge_p): New.
828 Update the prototype of cgraph_function_versioning.
829 * cgraphunit.c (cgraph_copy_node_for_versioning,
830 cgraph_function_versioning): Use VEC instead of VARRAY.
831 * ipa-cp.c (ipcp_insert_stage): Likewise.
833 2006-04-16 Roger Sayle <roger@eyesopen.com>
836 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
837 "A op B" or "A op C", we may need to convert A to the type of B and C.
839 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
841 * target.h (struct gcc_target): Add mode_rep_extended.
842 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
843 (init_num_sign_bit_copies_in_rep): Initialize it using
845 (truncate_to_mode): Use it.
846 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
847 * targhooks.h (default_mode_rep_extended): Declare it.
848 * targhooks.c (default_mode_rep_extended): Define it.
849 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
850 default_mode_rep_extended.
851 (TARGET_INITIALIZER): Include it.
852 * doc/tm.texi (Misc): Document it.
853 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
854 (mips_truncated_to_mode): New function.
856 2006-04-16 Roger Sayle <roger@eyesopen.com>
859 * expr.c (compress_float_constant): Copy the narrow constant into
860 a new pseudo before extending it to its final width.
862 2006-04-16 Roger Sayle <roger@eyesopen.com>
863 Andrew Pinski <pinskia@gcc.gnu.org>
864 Dale Johannesen <dalej@apple.com>
867 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
868 special case code to implement V8HImode and V16QImode with SSE2.
870 2006-04-15 Roger Sayle <roger@eyesopen.com>
872 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
873 trees are constructed with a suitable tree type.
875 2006-04-15 Roger Sayle <roger@eyesopen.com>
877 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
878 (integer_onep): Likewise.
879 (integer_all_onesp): Likewise.
880 (integer_pow2p): Likewise.
881 (integer_nonzerop): Likewise.
882 (real_zerop): Likewise.
883 (real_onep): Likewise.
884 (real_twop): Likewise.
885 (real_minus_onep): Likewise.
886 (int_size_in_bytes): Likewise.
887 (host_integerp): Likewise.
889 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
891 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
892 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
893 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
895 * tree-ssa-structalias.h (alias_info): Remove num_references.
897 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
899 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
900 (output_bvb patterns): Likewise.
901 * pa.c (output_bb): Use 'bb' insn for long branch case.
902 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
903 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
904 1. Correct length operand for alternatives 1 and 2.
905 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
906 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
908 2006-04-14 Roger Sayle <roger@eyesopen.com>
910 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
911 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
912 were accidentally reverted by r112959.
914 2006-04-15 Jakub Jelinek <jakub@redhat.com>
917 * except.h (eh_region_outermost): New prototype.
918 * except.c (eh_region_outermost): New function.
919 * tree-cfg.c (find_outermost_region_in_block): Use it.
921 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
923 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
925 * reload1.c (reg_equiv_memory_loc_varray): Rename to
926 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
927 (init_reload, reload): Use VEC instead of VARRAY.
928 * reload.h: Update the prototype for
929 reg_equiv_memory_loc_varray.
931 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
932 Eric Botcazou <ebotcazou@libertysurf.fr>
934 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
937 2005-04-13 Uros Bizjak <uros@kss-loka.si>
940 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
941 to expand fallback builtin function call.
943 2006-04-14 Alan Modra <amodra@bigpond.net.au>
946 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
947 and emit libcall here in case the builtin fails.
948 (expand_builtin_strcmp): Always emit the libcall here on failure.
950 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
952 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
953 * flow.c (reg_n_info): Change the type to
954 VEC(reg_info_p,heap) *.
955 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
957 * regs.h (reg_info_p): New.
958 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
959 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
960 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
963 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
965 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
967 * params.h (MAX_SCHED_READY_INSNS): New macro.
968 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
969 past MAX_SCHED_READY_INSNS during the first scheduling pass.
970 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
971 the ready list for 1 cycle during the first scheduling pass.
972 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
974 2006-04-13 Richard Henderson <rth@redhat.com>
977 * gimple-low.c (lower_omp_directive): Remove dead code.
978 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
979 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
980 * omp-low.c (struct omp_region): Move to tree-flow.h.
981 (root_omp_region): Export.
982 (omp_regions, lookup_omp_region): Remove.
983 (determine_parallel_type): Update for struct omp_region changes.
984 (dump_omp_region): Dump regions with block numbers.
985 (new_omp_region): Take type and block instead of stmt; malloc
987 (free_omp_region_1, free_omp_regions): New.
988 (expand_parallel_call): Take entry_stmt as argument; update for
989 changes to omp_region.
990 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
991 (remove_exit_barriers): New.
992 (expand_omp_parallel): Update for struct omp_region changes.
993 (expand_omp_synch): Likewise.
994 (expand_omp): Likewise.
995 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
996 (expand_omp_for_static_chunk): Likewise.
997 (expand_omp_for): Likewise.
998 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
999 (expand_omp_sections): Similarly, with GOMP_sections_end.
1000 (expand_omp_single): New.
1001 (build_omp_regions_1): Update for OMP_CONTINUE.
1002 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1003 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1004 OMP_SECTIONS_SECTIONS.
1005 (lower_omp_single_simple): Don't emit barrier here.
1006 (lower_omp_single_copy): Likewise.
1007 (lower_omp_single): Fix bindings, and lower to straightline now.
1008 (lower_omp_master, lower_omp_ordered): Likewise.
1009 (lower_omp_critical): Likewise.
1010 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1011 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1012 omp edges, free it afterward.
1013 (make_omp_sections_edges): Remove.
1014 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1015 (move_stmt_r): Handle OMP_CONTINUE.
1016 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1017 statement pointers to basic blocks. Add type member.
1018 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1019 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1020 * tree-inline.c (estimate_num_insns_1): Likewise.
1021 * tree-pretty-print.c (dump_generic_node): Likewise.
1022 * tree-ssa-operands.c (get_expr_operands): Likewise.
1023 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1024 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1025 (OMP_CONTINUE): New.
1026 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1027 (OMP_SECTIONS_SECTIONS): Remove.
1028 (OMP_SECTION_LAST): New.
1029 (OMP_RETURN_NOWAIT): New.
1031 2006-04-13 Roger Sayle <roger@eyesopen.com>
1033 * fold-const.c (native_encode_vector, native_interpret_real):
1034 Correct obvious mistakes in the previous check-in.
1036 2006-04-13 Roger Sayle <roger@eyesopen.com>
1038 * fold-const.c (native_encode_expr): New function to encode
1039 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1040 or VECTOR_CST into a specified buffer.
1041 (native_encode_int): New function.
1042 (native_encode_real): New function.
1043 (native_encode_complex): New function.
1044 (native_encode_vector): New function.
1045 (native_interpret_expr): Inverse of native_encode_expr to convert
1046 a target representation into an INTEGER_CST, REAL_CST etc...
1047 (native_interpret_int): New function.
1048 (native_interpret_real): New function.
1049 (native_interpret_complex): New function.
1050 (native_interpret_vector): New function.
1051 (fold_view_convert_expr): New function to constant fold/evaluate
1052 a VIEW_CONVERT_EXPR of a suitable constant expression.
1053 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1054 Change call of build1 to fold_build1 when constructing a
1057 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1058 Ulrich Weigand <uweigand@de.ibm.com>
1061 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1064 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1067 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1068 optimize to lo_sum for DFmode if !TARGET_FPRS.
1070 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1072 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1073 delete_alias_info, compute_flow_sensitive_aliasing,
1074 group_aliases): Use VEC instead of VARRAY.
1075 * tree-ssa-structalias.c (update_alias_info): Likewise.
1076 * tree-ssa-structalias.h (alias_info): Change the type of
1077 processed_ptrs to VEC(tree,heap) *.
1079 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1082 * config/sh/lib1funcs.h: New file, broken out of:
1083 * config/sh/lib1funcs.asm.
1084 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1086 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1087 * config/sh/lib1funcs-Os-4-200.asm: New file.
1088 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1089 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1090 (EXTRA_MULTILIB_PARTS): Include it.
1091 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1092 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1093 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1094 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1097 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1099 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1100 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1101 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1103 * tree-ssa-live.h: Include vecprim.h.
1104 (tree_partition_associator_d): Change the type of
1105 first_partition to VEC(int,heap) *.
1106 (tpa_first_partition): Use VEC instead of VARRAY.
1108 * Makefile.in (GTFILES): Move functions.h after tree.h.
1109 * function.c (reset_block_changes, record_block_change,
1110 check_block_change, free_block_changes): Use VEC instead of
1112 * function.h (function): Change the type of
1113 ib_boundaries_block to VEC(tree,gc) *.
1114 * tree-inline.c (copy_cfg_body): Initialize
1115 ib_boundaries_block to NULL instead of (varray_type) 0.
1117 2006-04-12 Roger Sayle <roger@eyesopen.com>
1119 * expr.c (emit_group_store): Correct operand order in call to
1120 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1121 a SUBREG_BYTE of zero.
1123 2006-04-12 Richard Guenther <rguenther@suse.de>
1125 * profile.c (compute_branch_probabilities): Remove code
1126 encapsulated in !ir_type (), which are remanents of the
1127 removed RTL profiling code.
1128 * rtl-profile.c: Remove.
1130 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1132 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1133 magic NULL_RTX comment.
1134 (function_arg): Store entire fp arg to mem if any part should go
1136 (rs6000_arg_partial_bytes): Adjust for above change.
1138 2006-04-11 Roger Sayle <roger@eyesopen.com>
1140 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1141 if it hasn't been initialized by dwarf2out_init.
1143 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1145 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1146 symbolic constants in branch patterns.
1148 2006-04-11 Roger Sayle <roger@eyesopen.com>
1150 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1152 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1154 PR rtl-optimization/27073
1155 * gcse.c (try_replace_reg): Revert last change. Continue to search
1156 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1159 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1161 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1162 aggregate types other than record and union types.
1163 (function_arg): Likewise.
1164 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1166 (function_value): In 64-bit mode, return objects that require it
1169 2006-04-11 Roger Sayle <roger@eyesopen.com>
1171 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1173 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1175 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1177 2006-04-03 Jeff Law <law@redhat.com>
1180 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1181 alias information too.
1183 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1185 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1187 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1190 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1191 (premark_used_types_helper): New.
1192 (premark_used_types): New.
1193 (gen_subprogram_die): Call premark_used_types.
1194 (prune_unused_types_walk): Do not prune perennial dies.
1195 * function.c (used_types_insert): New.
1196 * function.h (struct function): Add used_types_hash field.
1197 (used_types_insert): Add prototype.
1198 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1199 * c-parser.c (c_parser_cast_expression): Save casted types in used
1202 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1205 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1206 rs6000_explicit_options.float_gprs.
1208 2006-04-10 Roger Sayle <roger@eyesopen.com>
1210 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1211 from ix86_expand_vector_init_low_nonzero. Take an additional
1212 one_var argument indicating which element is non-zero. Support
1213 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1214 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1215 with one_var instead of ix86_expand_vector_init_low_nonzero.
1217 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1219 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1220 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1221 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1222 build/genextract.o): Depend on vecprim.h.
1223 * cfglayout.c, df-problems.c, function.c, genextract.c,
1224 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1225 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1229 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1231 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1232 Declare VECs of this type.
1233 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1234 (remove_children): Delete.
1235 (add_dwarf_attr): Use VEC routines.
1236 (add_AT_flag): Update for changes to add_dwarf_attr.
1237 (add_AT_int): Likewise.
1238 (add_AT_unsigned): Likewise.
1239 (add_AT_long_long): Likewise.
1240 (add_AT_vec): Likewise.
1241 (add_AT_string): Likewise.
1242 (add_AT_die_ref): Likewise.
1243 (add_AT_fde_ref): Likewise.
1244 (add_AT_loc): Likewise.
1245 (add_AT_loc_list): Likewise.
1246 (add_AT_addr): Likewise.
1247 (add_AT_lbl_id): Likewise.
1248 (add_AT_lineptr): Likewise.
1249 (add_AT_macptr): Likewise.
1250 (add_AT_offset): Likewise.
1251 (add_AT_range_list): Likewise.
1252 (get_AT): Use VEC_iterate.
1253 (remove_AT): Use VEC_ordered_remove.
1254 (free_die): Fold remove_children into here; have it use VEC_iterate.
1255 (print_die): Use VEC_iterate on attrs.
1256 (reverse_die_lists): Don't reverse attr lists.
1257 (die_checksum): Use VEC_iterate on attrs.
1258 (same_die_p): Likewise.
1259 (output_location_lists): Likewise.
1260 (build_abbrev_table): Likewise.
1261 (size_of_die): Likewise.
1262 (unmark_all_dies): Likewise.
1263 (output_abbrev_section): Likewise.
1264 (output_die): Likewise.
1265 (prune_unused_types_walk_attribs): Likewise.
1267 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1269 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1271 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1274 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1276 2006-04-09 Roger Sayle <roger@eyesopen.com>
1278 * expr.c (store_constructor): Don't bother clearing target if
1279 we're about to assign a vector to it using vec_init_optab.
1281 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1283 * tree-ssa-alias.c (lhs_may_store_to): New function.
1284 (recalculate_used_alone): Handle LHS of calls.
1286 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1290 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1291 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1292 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1293 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1294 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1295 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1296 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1297 stubs. Add ".align 8" directives before all ".dword" directives.
1298 (GTHREAD_USE_WEAK): Revise comment.
1299 (TARGET_ATTRIBUTE_WEAK): Define.
1300 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1301 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1302 * stublib.c: New file.
1307 * pa.md (cbranch patterns): Revise arguments used in calls to
1308 output_cbranch, output_bb and output_bvd. Add long branch length
1310 (fbranch patterns): Handle long branches.
1311 (jump): Revise length check. Revise arguments for output_lbranch call.
1312 Add long branch length attributes.
1313 (decrement_and_branch_until_zero): Add long branch length attributes.
1314 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1315 Likewise. Revise arguments for output_parallel_addb and
1316 output_parallel_movb calls.
1317 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1318 output_parallel_movb and output_parallel_addb): Update prototypes.
1319 * pa.c (output_cbranch): Revise arguments. Correct handling of
1320 nullification in long branches.
1321 (output_lbranch): Add new argument to control extraction of delay
1323 (output_bb): Handle long branches.
1324 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1325 output_parallel_addb): Likewise.
1327 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1329 PR rtl-optimization/27073
1330 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1333 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1335 * tree.h (tree_memory_tag): Add old_used_alone.
1336 (SMT_OLD_USED_ALONE): New macro.
1337 * tree-ssa-alias.c (recalculate_used_alone): Stop
1338 marking things for renaming unnecessarily.
1340 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1342 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1343 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1344 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1345 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1346 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1347 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1348 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1349 spelling convensions.
1350 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1351 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1352 typos. Follow spelling conventions.
1354 2006-04-07 DJ Delorie <dj@redhat.com>
1356 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1357 passed on the stack.
1358 (m32c_init_cumulative_args): When a function returns a structure,
1359 always pass the pointer to that return area on the stack.
1360 (m32c_function_arg_advance): Don't increment the parameter number
1361 if we're processing the returned structure pointer.
1362 (pushm_info): Reverse order of registers.
1364 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1366 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1367 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1368 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1369 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1371 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1372 chrec_fold_multiply): Same.
1373 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1374 force_expr_to_var_cost): Same.
1375 * tree-mudflap.c (mf_xform_derefs_1): Same.
1376 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1378 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1380 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1381 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1384 2006-04-07 Jan Hubicka <jh@suse.cz>
1386 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1388 2006-04-07 Richard Guenther <rguenther@suse.de>
1390 PR tree-optimization/26135
1391 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1392 loads for store copy-prop.
1393 (copy_prop_visit_stmt): Likewise.
1395 2006-04-05 Robert Millan <robertmh@gnu.org>
1397 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1398 being overriden in config/k*bsd-gnu.h.
1399 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1401 * gcc/config/knetbsd-gnu.h: Ditto.
1403 2006-04-06 Jan Hubicka <jh@suse.cz>
1407 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1410 2006-04-06 Mike Stump <mrs@apple.com>
1412 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1413 for HAVE_nonlocal_goto to be consistent.
1414 (expand_builtin_nonlocal_goto): Likewise.
1415 (expand_builtin_strcmp): Use #ifdef instead of #if
1416 for HAVE_cmpstrnsi to be consistent.
1418 2006-04-05 DJ Delorie <dj@redhat.com>
1420 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1423 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1425 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1426 got-relative addressing for anything but SImode.
1428 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1429 even if the calling function doesn't modify them.
1431 2006-04-05 Richard Guenther <rguenther@suse.de>
1433 PR tree-optimization/26919
1434 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1435 to cgraph_estimate_size_after_inlining.
1437 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1439 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1441 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1443 PR tree-optimization/26996
1444 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1445 VECTOR_TYPE variables.
1447 2006-04-05 Richard Guenther <rguenther@suse.de>
1449 PR tree-optimization/26763
1450 * fold-const.c (fold_comparison): Move folding of
1451 PTR + CST CMP PTR + CST ...
1452 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1454 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1456 * doc/install.texi (Prerequisites): Refine some wording on
1457 bootstrapping and ksh.
1458 Move the version numbers of DejaGnu here from the testing section
1459 and fix casing of names.
1460 Fix markup and clarify wording for autogen requirements.
1461 Refer to GCJ instead of just java.
1462 Refer to SVN instead of CVS.
1463 Describe diffutils as useful instead of necessary.
1464 (Downloading the source): Refer to SVN instead of CVS.
1465 Adjust a link to our web site accordingly.
1466 (Configuration): Fix casing of Bison.
1467 (Building): Refer to SVN instead of CVS.
1468 Fix a sentence on the use of Bison and remove duplicate (and
1469 incorrect) version number of Bison requirement.
1470 Remove one redundant list of packages needed for building.
1471 (Specific): Avoid reference to CVS.
1473 2006-04-04 Eric Christopher <echristo@apple.com>
1475 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1476 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1477 (rs6000_handle_struct_attribute): New.
1478 (rs6000_ms_bitfield_layout_p): Ditto.
1480 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1482 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1483 NULL for dso parameter to atexit_common.
1485 2006-04-04 Eric Christopher <echristo@apple.com>
1487 * config/i386/i386.c (machopic_output_stub): Output \t
1488 between instructions and operands.
1490 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1492 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1493 satisfies_constraint_[IL] to explicit tests on value.
1495 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1497 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1498 set_nb_iterations_in_loop): Use build_int_cst instead of
1500 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1501 build_int_cst instead of convert.
1503 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1505 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1506 new value 2 for incoming.
1507 * function.c (expand_function_start): Call struct_value_rtx
1509 * config/sparc/sparc.md: Comment updated_return.
1510 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1511 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1512 struct return if sparc_std_struct_return and incoming is 2.
1513 (print_operand): Do not adjust return if
1514 sparc_std_struct_return.
1516 2006-04-04 Roger Sayle <roger@eyesopen.com>
1518 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1519 convert in the middle-end.
1520 * expr.c (store_expr, store_constructor, get_inner_reference,
1521 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1523 * tree.c (build_range_type): Likewise.
1525 2006-04-04 Tom Tromey <tromey@redhat.com>
1527 * doc/install.texi (Prerequisites): Mention jar.
1529 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1531 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1534 2006-04-04 Matthias Klose <doko@debian.org>
1536 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1537 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1540 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1542 * doc/extend.texi (Function Attributes): Rewrite visibility
1543 attribute documentation.
1544 * doc/invoke.texi (C++ Dialect Options): Rewrite
1545 -fvisibility-inlines-hidden documentation to describe something
1546 entirely different, although in practise compatible.
1547 (Code Gen Options): Warn about system headers in -fvisibiltity=
1550 * doc/extend.texi (Other Builtins): Document that
1551 __builtin_nan is a compile-time constant only when its argument
1554 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1556 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1557 trying to remove TRUNCATE check if all bits outside the new mode
1558 are identical to the sign bit.
1560 2006-04-03 Jeff Law <law@redhat.com>
1562 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1563 and operand scanning in some common cases.
1565 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1566 Dale Johannesen <dalej@apple.com>
1569 * regclass.c (struct reg_pref): Update documentation.
1570 (regclass): Set prefclass to NO_REGS if memory is the best option.
1571 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1572 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1573 into account. For non-registers, equate an empty preferred
1574 reload class to a `!' in the constraint; move the if clause to
1575 do so after those that reject the insn.
1576 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1578 (find_dummy_reload): Likewise.
1579 * doc/tm.texi (Register Classes): Document what it means
1580 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1581 * config/i386/i386.c (ix86_preferred_reload_class): Force
1582 using SSE registers (and return NO_REGS for floating-point
1583 constants) if math is done with SSE.
1584 (ix86_preferred_output_reload_class): New.
1585 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1586 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1587 * config/i386/i386.md: Remove # register preferences.
1589 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1592 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1593 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1594 the type of nb_iter.
1595 (instantiate_parameters_1): Convert the operands before calling
1596 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1597 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1599 2006-04-02 Roger Sayle <roger@eyesopen.com>
1601 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1602 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1604 * dojump.c (do_jump): Likewise.
1605 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1606 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1607 gimplify_boolean_expr): Likewise.
1608 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1609 * varasm.c (array_size_for_constructor): Likewise.
1610 * tree-object-size.c (compute_object_offset): Likewise.
1612 2006-04-02 Roger Sayle <roger@eyesopen.com>
1615 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1616 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1618 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1620 PR tree-optimization/26939
1621 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1623 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1625 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1626 at_stmt. Convert the type of operands before calling
1627 build_polynomial_chrec.
1628 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1630 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1631 (instantiate_parameters_1): Convert the type of operands before calling
1632 build_polynomial_chrec.
1633 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1634 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1635 reset_evolution_in_loop): Insert asserts to check the types of the
1637 (chrec_type): Moved...
1638 (eq_evolutions_p): Use operand_equal_p.
1639 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1640 the types of the operands.
1641 (chrec_type): ...here.
1642 * tree-data-ref.c (create_data_ref): Convert the operands before
1643 calling chrec_replace_initial_condition.
1644 (same_access_functions, analyze_subscript_affine_affine,
1645 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1646 (compute_subscript_distance, analyze_ziv_subscript,
1647 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1648 analyze_miv_subscript): Convert the operands before calling
1649 chrec_fold_minus or chrec_fold_plus.
1651 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1653 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1654 the dependence_relations vector.
1655 (compute_data_dependences_for_loop): Adjust call to
1656 compute_all_dependences.
1658 2006-04-01 Roger Sayle <roger@eyesopen.com>
1659 Richard Henderson <rth@redhat.com>
1661 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1662 gimple_boolify on the condition before calling gimplify_expr.
1664 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1666 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1667 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1668 the frame size. Update to use the new macros.
1669 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1670 * config/xtensa/ieee754-df.S: Likewise.
1672 2006-03-31 Richard Henderson <rth@redhat.com>
1674 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1675 (make_edges): ... here. Control fallthru creation with a local
1676 variable. Do not play with fake edges.
1677 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1678 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1681 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1683 * dwarf2.h (DW64_CIE_ID): Define.
1684 * dwarf2out.c (DWARF_CIE_ID): Define.
1685 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1686 length header. Use DWARF_CIE_ID.
1687 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1688 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1690 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1692 * config/sh/linux-atomic.asm: New file.
1693 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1695 2006-03-31 DJ Delorie <dj@redhat.com>
1697 * config/m32c/cond.md: Set condition flags properly throughout.
1698 * config/m32c/minmax.md: Likewise.
1699 * config/m32c/prologue.md: Likewise.
1700 * config/m32c/bitops.md: Likewise.
1701 * config/m32c/muldiv.md: Likewise.
1702 * config/m32c/mov.md: Likewise.
1703 * config/m32c/addsub.md: Likewise.
1704 * config/m32c/m32c.md: Likewise.
1705 * config/m32c/jump.md: Likewise.
1706 * config/m32c/shift.md: Likewise.
1708 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1709 conditionally output the pattern for this.
1710 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1711 (m32c_compare_redundant): New.
1712 (m32c_output_compare): New.
1713 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1715 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1716 dest, not src. Allow other 4-byte modes.
1718 2006-03-30 Denis Chertykov <denisc@overta.ru>
1720 * doc/md.texi: Refer to avr/constraints.md instead of
1723 2006-03-30 Roger Sayle <roger@eyesopen.com>
1725 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1726 signed vs. unsigned comparison failures on some hosts.
1728 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1731 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1732 change to FLOAT_REGS.
1734 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1735 (rs6000_override_options): Use it.
1736 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1737 only for -mabi=spe/no-spe and -mabi=altivec.
1739 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1741 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1744 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1746 * Makefile.in: Rename docdir to gcc_docdir.
1748 2006-03-30 Roger Sayle <roger@eyesopen.com>
1751 * expr.c (emit_group_store): Optimize group stores into a pseudo
1752 register by using a paradoxical subreg to initialize the destination
1753 if the first or last member of the group specifies a "low part".
1755 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1758 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1759 * target.h (struct gcc_target.speculate_insn): Change type of the
1760 second parameter to 'int'.
1761 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1762 the second operand of the DEPS_LIST.
1763 (copy_DEPS_LIST_list): Update reference to the second operand of the
1765 * rtl.h (alloc_DEPS_LIST): Update signature.
1766 * sched-int.h (ds_t): Change typedef to 'int'.
1767 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1769 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1771 * haifa-sched.c (try_ready): Change condition to restore
1772 non-speculative pattern of the instruction.
1773 (process_insn_depend_be_in_spec): Code to keep probability of the
1774 speculative dependence non-decreasing.
1776 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1778 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1779 (single_move_for_movmem): ... this. Also change all uses.
1780 (bfin_expand_strmov): Renamed to...
1781 (bfin_expand_movmem): ... this. Also change all uses.
1782 * config/bfin/bfin.md (movstrsi): Renamed to...
1783 (movstrsi): ...this.
1785 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1787 PR tree-optimization/26830
1789 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1790 (copy_prop_visit_stmt): Remove write-only variable ann.
1791 (init_copy_prop): Check variable loop depth here. Do not simulate
1792 memory-tag and virtual operand PHIs except for store copy prop.
1794 2006-03-30 Richard Guenther <rguenther@suse.de>
1796 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1797 variants with double arguments.
1799 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1801 * genpreds.c (write_tm_constrs_h): Delete variable p.
1802 * genconditions.c (write_header): Add tm-constrs.h to included
1804 * genpeep.c (main): Add toplev.h to included headers.
1805 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1806 (build/genpeep.o): Add toplev.h dependency.
1807 * config/rs6000/constraints.md: Add "W" constraint.
1809 2006-03-29 Roger Sayle <roger@eyesopen.com>
1811 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1812 sizes by correctly testing whether the size fits a host integer.
1813 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1814 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1815 SImode range for the default sizetype and bitsizetype.
1817 2006-03-29 Roger Sayle <roger@eyesopen.com>
1819 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1820 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1821 quickly if the argument is already of the correct type.
1822 Call fold_build1 instead of build1. Tidy up blank lines.
1824 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1826 * genemit.c (main): Add tm-constrs.h to included headers.
1827 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1828 * genpeep.c (main): Add tm-constrs.h to included headers.
1829 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1830 (write_tm_constrs_h): this and write complete file.
1831 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1832 (write_insn_preds_c): Add tm-constrs.h to included headers.
1833 (gen_constrs): New variable.
1834 (parse_option): Parse "-c".
1835 (main): Invoke write_tm_constrs_h.
1836 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1837 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1838 (object_out_file): Add tm-constrs.h dependency.
1839 (insn-emit.o): Same.
1840 (insn-output.o): Same.
1841 (insn-peep.o): Same.
1842 (insn-preds.o): Same.
1843 (insn-recog.o): Same.
1844 (tm-constsr.h): New target.
1845 (s-constrs-h): New target.
1847 * config/rs6000/constraints.md: New file.
1848 * config/rs6000/rs6000.c: Include tm-constrs.h.
1849 (num_insn_constant_wide): Convert to satisfies_constraint.
1850 (rs6000_rtx_costs): Convert to satisfies_constraint.
1851 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1852 (CONST_OK_FOR_LETTER_P): Delete.
1853 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1854 (EXTRA_CONSTRAINT): Delete.
1855 (EXTRA_MEMORY_CONSTRAINT): Delete.
1856 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1857 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1858 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1859 satisfies_constraint.
1861 * config/i386/i386.c: Include tm-constrs.h.
1863 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1865 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1866 * tree-data-ref.c (find_data_references_in_loop,
1867 compute_data_dependences_for_loop): Use pointers to VEC.
1868 (analyze_all_data_dependences): Adjust calls.
1869 * tree-data-ref.h (find_data_references_in_loop,
1870 compute_data_dependences_for_loop): Adjust declarations.
1871 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1872 compute_data_dependences_for_loop.
1874 2006-03-29 Paul Brook <paul@codesourcery.com>
1876 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1879 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1881 PR tree-optimization/26859
1882 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1884 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1885 for the step after fold_convert.
1887 2006-03-29 Paul Brook <paul@codesourcery.com>
1889 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1890 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1892 2006-03-29 Paul Brook <paul@codesourcery.com>
1895 * targhooks.c (default_narrow_bitfield): New fuction.
1896 * targhooks.h (default_narrow_bitfield): add prototype.
1897 * target.h (gcc_target): Add narrow_volatile_bitfield.
1898 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1899 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1900 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1901 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1903 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1905 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1907 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1908 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1909 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1910 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1911 (s390_function_arg_float): Allow SDmode and DDmode values to be
1912 passed in floating point registers.
1913 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1914 check with SCALAR_FLOAT_MODE_P.
1915 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1917 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1919 PR tree-optimization/25985
1920 * tree-ssa-loop-niter.c (number_of_iterations_le,
1921 number_of_iterations_ne): Make comments more precise.
1922 (number_of_iterations_cond): Add only_exit argument. Use the
1923 fact that signed variables do not overflow only when only_exit
1925 (loop_only_exit_p): New.
1926 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1927 number_of_iterations_cond.
1929 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1931 PR tree-optimization/26643
1932 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1935 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1937 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1938 (divsi3_i4_int): Likewise.
1940 2006-03-28 Roger Sayle <roger@eyesopen.com>
1942 * expr.c (emit_group_store): Only create a new pseudo reg if the
1943 quantity it needs to hold isn't already a suitable pseudo.
1945 2006-03-28 Jeff Law <law@redhat.com>
1947 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1948 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1950 2006-03-28 Roger Sayle <roger@eyesopen.com>
1952 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1953 the equivalent ~X & Y, and the symmetry related transformations.
1954 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1955 ~X & Y, and symmetry related transforms.
1957 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1959 Revert my 2006-03-27 patches.
1961 2006-03-28 Roger Sayle <roger@eyesopen.com>
1963 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1964 ~(T1)X, when T1 and T2 are integer types of the same precision
1965 and (T2)X isn't an extension.
1967 2006-03-28 Jeff Law <law@redhat.com>
1969 PR tree-optimization/26796
1970 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1971 need EH edge cleanups rather than purging them immediately.
1972 (eliminate_degenerate_phis): Handle queued EH cleanups.
1974 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1976 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1979 2006-03-27 Roger Sayle <roger@eyesopen.com>
1982 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1983 cast BIT_NOT_EXPR operand to the correct type.
1985 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1987 * tree-loop-linear.c: Don't include varray.h.
1988 (gather_interchange_stats, try_interchange_loops,
1989 linear_transform_loops): Use VEC instead of VARRAY.
1990 * lambda-mat.c: Don't include varray.h.
1991 * tree-chrec.c: Same.
1992 * lambda-trans.c: Same.
1993 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1994 VEC instead of VARRAY.
1995 * tree-vectorizer.h: Idem.
1996 * tree-data-ref.c (dump_data_references,
1997 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1998 initialize_data_dependence_relation, finalize_ddr_dependent,
1999 compute_all_dependences, find_data_references_in_loop,
2000 compute_data_dependences_for_loop, analyze_all_data_dependences,
2001 free_dependence_relation, free_dependence_relations,
2002 free_data_refs): Idem.
2003 * tree-data-ref.h (data_reference_p, subscript_p): New.
2004 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2005 VEC instead of VARRAY.
2006 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2007 (find_data_references_in_loop, compute_data_dependences_for_loop,
2008 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2009 dump_data_dependence_relations, free_dependence_relations,
2010 free_data_refs): Adjust declaration.
2011 (lambda_transform_legal_p): Move declaration here...
2012 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2013 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2014 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2015 vect_analyze_data_refs): Use VEC instead of VARRAY.
2016 * lambda.h (lambda_transform_legal_p): ...from here.
2017 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2018 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2019 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2020 tree-chrec.o): Don't depend on VARRAY_H.
2022 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2024 * rtl.def (Copyright): Update date.
2025 (DEPS_LIST): Change type of the second operand to 'int'.
2026 * target.h (Copyright): Update date.
2027 (struct gcc_target.speculate_insn): Change type of the second parameter
2029 * lists.c (Copyright): Update date.
2030 (alloc_DEPS_LIST): Change signature. Update reference to the second
2031 operand of the DEPS_LIST.
2032 (copy_DEPS_LIST_list): Update reference to the second operand of the
2034 * rtl.h (Copyright): Update date.
2035 (alloc_DEPS_LIST): Update signature.
2036 * sched-int.h (Copyright): Update date.
2037 (ds_t): Change typedef to 'int'.
2038 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2040 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2042 * haifa-sched.c (Copyright): Update date.
2043 (try_ready): Change condition to restore non-speculative pattern
2045 (process_insn_depend_be_in_spec): Code to keep probability of the
2046 speculative dependence non-decreasing.
2048 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2050 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2051 shut up the compiler.
2053 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2055 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2056 to use lib prefix for target.
2057 ($(T)libic_invalidate_array_4-200.a): Likewise.
2058 ($(T)libic_invalidate_array_4a.a): Likewise.
2060 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2061 J"orn Rennecke <joern.rennecke@st.com>
2063 * superh.opt: New file.
2064 * sh.c (boardtype, osruntime): Remove.
2065 * superh.h (SUBTARGET_OPTIONS): Remove.
2066 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2068 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2069 arguments with ^ and/or [].
2071 * config.gcc (sh-*-*): Add quoting to account for quirk of
2073 Replace == with = in enable_incomplete_targets test.
2075 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2076 with MASK_LITTLE_ENDIAN.
2078 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2079 * config/sh/sh.opt: Added to some comments.
2080 * config/sh/superh.h: Removed some chaff.
2082 * config/sh/sh.opt: Add m4-[1234]00* options.
2083 * config/sh/sh.c (sh_handle_option): Likewise.
2084 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2085 (ic_invalidate_array_4-100.o): New rule.
2086 ($(T)libic_invalidate_array_4-100.a): Likewise.
2087 (ic_invalidate_array_4-200.o): Likewise.
2088 ($(T)libic_invalidate_array_4-200.a): Likewise.
2089 (ic_invalidate_array_4a.o): Likewise.
2090 ($(T)libic_invalidate_array_4a.a): Likewise.
2091 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2092 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2094 * config/sh/crt1.asm: Merged in profiling code.
2095 * config/sh/superh.h (STARTFILE_SPEC): Override.
2096 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2097 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2098 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2100 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2101 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2102 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2104 * sh.opt (mpretend-cmove): New option.
2105 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2106 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2107 (movsicc): Add TARGET_PRETEND_CMOVE code.
2109 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2111 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2112 s390_class_max_nregs): New function prototypes.
2113 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2114 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2115 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2116 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2118 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2120 * dwarf2out.c (add_location_or_const_value_attribute): Call
2121 tree_add_const_value_attribute if nothing else works.
2122 (reference_to_unused): New.
2123 (rtl_for_decl_init): Use reference_to_unused to decide whether
2124 to output an initializer.
2126 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2129 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2130 peephole removing spe frob_di_df_2.
2132 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2134 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2135 (subscript_dependence_tester_1): Declared.
2136 (print_dir_vectors, print_dist_vectors): New.
2137 (debug_data_dependence_relation): New.
2138 (dump_data_dependence_relation): Print more details.
2139 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2140 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2141 (save_dist_v, save_dir_v, add_outer_distances,
2142 build_classic_dist_vector_1): New.
2143 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2144 Don't test for lambda_vector_lexico_pos.
2145 (same_access_functions, add_multivariate_self_dist,
2146 add_other_self_distances, dir_from_dist): New.
2147 (build_classic_dir_vector): Replace implementation almost identical to
2148 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2150 (subscript_dependence_tester_1): New.
2151 (subscript_dependence_tester): Handle the lexicographically negative
2152 distance vectors by recomputing the dependence relation.
2153 (compute_affine_dependence): Remove parameter loop_nest_depth.
2154 (compute_self_dependence): Don't call compute_subscript_distance.
2155 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2156 Add a parameter for the loop_nest.
2157 (find_loop_nest_1, find_loop_nest): New.
2158 (compute_data_dependences_for_loop): Compute the loop nest, and give
2159 up if the nest is not well formed.
2160 * tree-data-ref.h (loop_p): New.
2161 (struct data_dependence_relation): Replace size_vect field with
2162 loop_nest, a vec of loops.
2163 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2164 (DDR_LOOP_NEST): New.
2165 (print_dir_vectors, print_dist_vectors,
2166 debug_data_dependence_relation): Declared.
2167 (index_in_loop_nest): New.
2168 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2169 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2172 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2174 * simplify-rtx.c (simplify_relational_operation): Call
2175 simplify_relational_operation_1 even if mode is VOIDmode.
2177 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2179 PR tree-optimization/26804
2180 * tree.h (DECL_CALL_CLOBBERED): New macro.
2181 (tree_decl_common): Add call_clobbered_flag.
2182 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2183 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2184 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2185 (mark_non_addressable): Ditto.
2186 * tree-ssa.c (verify_call_clobbered): New function.
2187 (verify_alias_info): Use it.
2188 * tree-pass.h (pass_reset_cc_flags): New prototype.
2189 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2190 (reset_cc_flags): New function.
2191 * passes.c (init_optimization_passes): Call reset_cc_flags after
2192 initializing referenced_vars.
2194 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2195 Roger Sayle <roger@eyesopen.com>
2198 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2199 to 1.0 for non-real operands. Implement A / A optimization for
2202 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2204 * config/i386/i386.c (size_cost): Correct the comment for
2205 cost of storing fp registers.
2206 (i386_cost): Likewise.
2207 (i486_cost): Likewise.
2208 (pentium_cost): Likewise.
2209 (pentiumpro_cost): Likewise.
2210 (k6_cost): Likewise.
2211 (athlon_cost): Likewise.
2212 (k8_cost): Likewise.
2213 (pentium4_cost): Likewise.
2214 (nocona_cost): Likewise.
2215 (generic64_cost): Likewise.
2216 (generic32_cost): Likewise.
2218 2006-03-24 Denis Chertykov <denisc@overta.ru>
2220 * config/avr/avr-protos.h (extra_constraint): Delete.
2221 (extra_constraint_Q): New declaration.
2222 * config/avr/constraints.md: New file.
2223 * config/avr/avr.md: Include it.
2224 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2225 (TMP_REGNO, ZERO_REGNO): Likewise.
2226 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2227 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2228 (extra_constraint): Delete.
2229 (extra_constraint_Q): Test for memory constraint 'Q'.
2230 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2231 (REG_CLASS_FROM_LETTER): Delete.
2232 (CONST_OK_FOR_LETTER_P): Delete.
2233 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2234 (EXTRA_CONSTRAINT): Delete.
2235 (TMP_REGNO): Delete.
2236 (ZERO_REGNO): Delete.
2238 2006-03-24 Jeff Law <law@redhat.com>
2240 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2241 directly. Call mark_new_vars_to_rename slightly earlier.
2243 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2245 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2247 (gen_compile_unit_die): Use new language types for Objective-C and
2249 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2250 DW_LANG_C_plus_plus.
2253 * config/t-darwin (crt3.o): Work around bug 26840.
2254 * config/darwin-crt3.c: Rewrite.
2255 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2257 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2259 * doc/invoke.texi: Document -femit-class-debug-always
2260 * common.opt: Add -femit-class-debug-always.
2262 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2264 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2265 index and base register.
2266 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2267 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2268 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2269 REGNO_OK_FOR_INDEX_P.
2270 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2272 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2273 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2274 REG_OK_FOR_BASE_P): Definitions removed.
2276 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2279 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2280 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2281 set yet or weren't marked as local yet.
2283 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2285 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2288 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2290 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2291 (rs6000_legitimate_small_data_p): Delete.
2292 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2293 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2294 and make static. Add forward declaration. Update uses.
2295 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2296 of offsettable_memref_p.
2297 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2298 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2300 2006-03-24 Jeff Law <law@redhat.com>
2302 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2303 around bug in immediate-use iterator.
2305 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2308 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2309 or __LITTLE_ENDIAN__.
2311 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2313 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2314 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2315 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2316 * config/sh/sh.opt (mdiv=): Amend description.
2317 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2318 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2319 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2320 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2321 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2322 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2323 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2324 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2325 TARGET_DIVIDE_CALL_FP.
2327 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2329 * haifa-sched.c (choose_ready): Fix type of the local variable.
2330 Move local variables. Add comment.
2331 (check_reg_live): Change signature. Make callable from debugger.
2332 * sched-int.h (check_reg_live): Update signature.
2333 * sched-ebb.c (check_reg_live): Update parameters.
2334 * sched-rgn.c (check_reg_live): Ditto.
2335 (region_head_or_leaf_p): Check pointer before dereferencing.
2336 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2337 before reload on optimization levels below 1.
2339 2006-03-23 Richard Henderson <rth@redhat.com>
2341 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2345 * config/alpha/predicates.md (local_symbolic_operand): Reject
2348 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2351 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2352 expressions which have overflowed constants.
2354 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2356 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2358 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2360 * cfgloopmanip.c (create_loop_notes): Removed.
2361 * final.c (final_scan_insn): Do not handle loop notes.
2362 * jump.c (squeeze_notes): Ditto.
2363 * cfglayout.c (skip_insns_after_block,
2364 duplicate_insn_chain): Ditto.
2365 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2367 * cfgloop.h (create_loop_notes): Declaration removed.
2369 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2371 * varasm.c (output_constant_pool): Restore fnname and fndecl
2373 (assemble_start_function): Adjust call accordingly.
2374 (assemble_end_function): Likewise.
2376 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2379 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2382 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2384 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2387 * system.h (ICE_EXIT_CODE): New macro.
2388 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2389 (diagnostic_action_after_output): Likewise.
2390 * gcc.c (fatal_ice): New function.
2391 (execute): Use it instead of fatal.
2392 (fancy_abort): Likewise.
2393 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2395 2006-03-22 Jeff Law <law@redhat.com>
2397 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2398 iv_analyze_result returning false.
2400 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2402 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2404 2006-03-22 Richard Henderson <rth@redhat.com>
2407 * except.c (duplicate_eh_regions_0): New.
2408 (duplicate_eh_region_1): Duplicate the children of the node as
2409 well as the node itself. Link them up properly.
2410 (duplicate_eh_region_2): Merge into ...
2411 (duplicate_eh_regions): ... here. Take copy_region argument, and
2412 copy only a sub-tree if asked. Simplify copying and fixup.
2413 (eh_region_outer_p): New.
2414 * except.h (duplicate_eh_regions): Update decl.
2415 (eh_region_outer_p): Declare.
2416 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2417 (lower_omp_master): Likewise.
2418 (lower_omp_ordered): Likewise.
2419 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2420 (move_stmt_r): Use it to remap labels. Handle recursion vs
2421 remap_decls_p properly.
2422 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2423 (find_outermost_region_in_block): New.
2424 (new_label_mapper): New.
2425 (move_sese_region_to_fn): Copy eh information to the new function
2427 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2429 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2432 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2434 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2435 into shared libraries.
2437 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2439 * doc/md.texi: Refer to i386/constraints.md instead of
2441 * config/i386/constraints.md: New file, extracted from...
2442 * config/i386/predicates.md: ...here.
2443 * config/i386/i386.md: Include constraints.md.
2445 2006-03-21 Jason Merrill <jason@redhat.com>
2447 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2450 * expr.c (init_block_move_fn): Force default visibility.
2451 (init_block_clear_fn): Likewise.
2452 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2453 * targhooks.c (default_external_stack_protect_fail): Likewise.
2455 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2457 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2458 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2459 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2460 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2461 (loadgp): Use mips_current_loadgp_style.
2462 (loadgp_noshared): New pattern.
2463 (sibcall_internal): Use MIPS_CALL.
2464 (sibcall_value_internal): Likewise.
2465 (sibcall_value_multiple_internal): Likewise.
2466 (call_internal): Likewise.
2467 (call_value_internal): Likewise.
2468 (call_value_multiple_internal): Likewise.
2469 (call_split): Use MIPS_CALL and add an 'S' constraint.
2470 (call_value_split): Likewise.
2471 (call_value_multiple_split): Likewise.
2472 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2473 (-mshared): New option.
2474 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2475 (mips_current_loadgp_style): Declare.
2476 * config/mips/mips.c (mips_classify_symbol): Avoid using
2477 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2478 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2479 TARGET_ABSOLUTE_ABICALLS.
2480 (override_options): Adjust comments. Improve the warning that is
2481 issued when -mabicalls and -G are used together.
2482 (mips_file_start): Remove comment.
2483 (mips_current_loadgp_style): New function.
2484 (mips_gnu_local_gp): New variable.
2485 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2487 (mips_output_function_prologue): Use mips_current_laodgp_style.
2488 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2489 the cprestore instruction.
2490 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2491 live for TARGET_ABSOLUTE_ABICALLS.
2492 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2493 (ASM_SPEC): Pass down -mshared and -mno-shared.
2494 (MIPS_CALL): New macro.
2495 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2497 * doc/invoke.texi (-mabicalls): Update documentation.
2498 (-mshared): Document.
2500 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2502 * config/ia64/unwind-hpux.c: New file.
2503 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2505 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2508 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2510 2006-03-21 Jeff Law <law@redhat.com>
2512 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2513 type conversions of a VR_VARYING source to a wider type.
2515 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2517 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2518 tm_file on Solaris 10 and later.
2519 (sparc64-*-solaris2*): Likewise.
2520 (sparc-*-solaris2*): Likewise.
2521 * config/sol26.h: Rename to config/sol2-6.h.
2522 * config/sol2-10.h: New file.
2524 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2527 * tree-ssa-pre.c (create_component_ref_by_pieces):
2530 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2533 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2534 return it immediately.
2536 2006-03-21 Michael Matz <matz@suse.de>
2538 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2540 (remove_arc, add_arc): Update num_out_arcs member.
2541 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2543 (cache_presence): New function.
2544 (compare_states_for_equiv): New function.
2545 (state_is_differed): Don't take number of outargs, adjust callers.
2546 Use new invariant for speeding up.
2547 (init_equiv_class): Create initial classes based on sorted
2549 (partition_equiv_class): Don't track out_arcs_num.
2550 (evaluate_equiv_classes): Call cache_presence on all states and
2553 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2555 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2556 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2557 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2558 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2560 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2561 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2562 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2563 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2564 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2566 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2567 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2568 (REGNO_REG_CLASS): ARGP is in PREGS.
2569 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2571 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2572 to deal with those addresses.
2573 * addresses.h: New file.
2574 * caller-save.c: Include "addresses.h".
2575 (init_caller_save): Use new base_reg_class function.
2576 * rtl-factoring.c: Include "addresses.h".
2577 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2578 * recog.c: Include "addresses.h".
2579 (preprocess_constraints): Use new base_reg_class function.
2580 * regrename.c: Include "addresses.h".
2581 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2582 functions. Keep track of a new var INDEX_CODE to compute valid
2584 (replace_oldest_value_addr): Likewise.
2585 (replace_oldest_value_mem): Use base_reg_class.
2586 * reload.c: Include "addresses.h".
2587 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2588 (find_reloads): Use new base_reg_class function.
2589 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2590 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2591 all callers and prototype changed.
2592 * reload1.c: Include "addresses.h".
2593 (maybe_fix_stack_asms): Use base_reg_class.
2594 * regclass.c: Include "addresses.h".
2595 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2596 (init_reg_autoinc): Use new base_reg_class function.
2597 (record_reg_classes): Likewise.
2598 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2599 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2600 Use new args to compute necessary class.
2602 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2603 regrename.o, rtl-factoring.o): Update dependencies.
2604 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2605 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2606 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2607 REG_OK_FOR_INDEX_P): Delete documentation.
2609 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2611 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2612 from V7 to V9 for Solaris 7 and above.
2614 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2616 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2617 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2618 argument pointers may not alias any other storage.
2619 * common.opt: Define option -fargument-noalias-anything.
2620 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2621 alias semantics is specified by flag_argument_noalias > 2.
2623 2006-03-20 Jeff Law <law@redhat.com>
2625 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2626 (pass_phi_only_cprop): Declare.
2627 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2629 * tree-ssa-dom.c (degenerate_phi_result): New function.
2630 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2631 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2632 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2633 (eliminate_degenerate_phis): Likewise.
2634 (pass_phi_only_cprop): New pass descriptor.
2635 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2636 support code. Callers updated.
2637 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2638 (store_copy_prop): Likewise.
2639 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2641 2006-03-20 Jason Merrill <jason@redhat.com>
2644 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2645 (push_visibility, pop_visibility): Likewise.
2646 * c-pragma.h: Declare them.
2648 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2650 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2652 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2653 parameter and use get_ebb_head_tail.
2654 (sh_md_init_global): Adjust uses of find_regmode_weight.
2656 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2658 * function.h (struct function) <x_tail_recursion_reentry>:
2659 Rename to x_stack_check_probe_note.
2660 (tail_recursion_reentry): Rename to stack_check_probe_note.
2661 * function.c: Replace tail_recursion_reentry with
2662 stack_check_probe_note everywhere.
2663 (expand_function_start): Only emit a note for
2664 stack_check_probe_note with -fstack-protect.
2665 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2667 * emit-rtl.c (remove_unnecessary_notes): Remove.
2668 (pass_remove_unnecessary_notes): Remove.
2669 * rtl.h (remove_unnecessary_notes): Remove prototype.
2670 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2671 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2672 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2674 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2677 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2678 (valid_in_set): Handle ARRAY_REF.
2679 Change "if min_variant or VH" to asserts.
2680 (create_component_ref_by_pieces): Handle ARRAY_REF.
2681 (create_expression_by_pieces): Likewise.
2682 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2684 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2686 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2687 is operand of switch, not str[0].
2689 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2691 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2692 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2694 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2696 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2697 end of insn_extra_address_constraint declaration.
2699 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2701 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2702 (no-sum-in-toc): Same.
2703 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2705 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2706 NO_FP_IN_TOC for -fPIC instead of mask.
2708 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2709 (BOOT_LDFLAGS): Delete.
2711 * config/rs6000/t-aix52: Same.
2713 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2714 (stmsi[345678]_power): New.
2716 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2718 * config/ia64/ia64.opt: Add empty line to end of file.
2720 2006-03-17 Richard Guenther <rguenther@suse.de>
2723 * builtins.c (get_pointer_alignment): For component style references
2724 adjust alignment to the component type alignment. Make sure
2725 to adjust alignment for component access of constants.
2727 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2729 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2732 2006-03-17 Paul Brook <paul@codesourcery.com>
2734 * doc/install.texi: Docuemnt --with-mode.
2735 * config.gcc: Add --with-mode for arm*-*-*.
2736 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2738 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2740 * sh.c (max_labelno_before_reorg): New variable.
2741 (sh_reorg): Initialize it.
2742 (find_barrier): Check max_labelno_before_reorg before using
2743 label_to_alignment. Take length of explicit alignment insns
2744 into account. When seeing a UNSPECV_CONST_END, return it.
2746 * sh.c (fixup_mova): Set mode of affected label to QImode.
2747 (untangle_mova): New function.
2748 (find_barrier): Use it. Check mode of label before decrementing
2750 (sh_reorg): Likewise.
2751 Set mode of all insns back to VOIDmode.
2753 * sh.c (MOVA_LABELREF): New macro.
2754 (mova_p, fixup_mova, sh_reorg): Use it.
2755 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2756 ADDR_DIFF_VEC matches mova.
2758 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2760 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2761 with ATTRIBUTE_UNUSED.
2763 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2765 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2766 pointer, instead of assuming it is possible to derive the
2767 correct args size from a call insn.
2769 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2771 * rtl.h (CONST_INT_P): Define.
2772 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2773 instead of GET_CODE(x) == CONST_INT.
2774 (vax_rtx_costs): Likewise.
2775 (vax_output_int_move): Likewise.
2776 (vax_output_int_add): Likewise.
2777 (legitimate_constant_address_p): Likewise.
2778 (index_term_p): Likewise.
2779 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2780 * config/vax/vax.md (and<mode>3): Likewise.
2781 (ashrsi3): Likewise.
2783 (movstricthi): Likewise.
2784 (movstrictqi): Likewise.
2785 (rotrsi3): Likewise.
2786 (five unnamed insns): Likewise.
2788 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2790 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2791 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2792 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2793 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2794 Pass to ASM_OUTPUT_DWARF_OFFSET.
2795 * dwarf2out.c (debug_frame_section): New.
2796 (output_call_frame_info): Use debug_frame_section. Pass it to
2797 dw2_asm_output_offset.
2798 (output_die): Pass appropriate section to dw2_asm_output_offset.
2799 (output_compilation_unit_header): Likewise.
2800 (output_pubnames): Likewise.
2801 (output_aranges): Likewise.
2802 (enum dw_val_class): Break dw_val_class_lbl_offset into
2803 dw_val_class_lineptr and dw_val_class_macptr.
2804 (add_AT_lbl_offset): Delete.
2805 (add_AT_lineptr): New.
2806 (add_AT_macptr): New.
2807 (AT_lbl): Expect a lineptr or macptr.
2808 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2809 (attr_checksum): Likewise.
2810 (same_dw_val_p): Likewise.
2811 (size_of_die): Likewise.
2812 (value_format): Likewise.
2813 (output_die): Likewise.
2814 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2816 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2817 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2818 * config/darwin-protos.h (darwin_file_start): New.
2819 (darwin_asm_output_dwarf_offset): New.
2820 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2821 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2823 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2824 if not EH section; simplify.
2825 (darwin_file_start): New.
2826 (darwin_asm_output_dwarf_offset): New.
2827 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2829 (DEBUG_INFO_SECTION): Likewise.
2830 (DEBUG_ABBREV_SECTION): Likewise.
2831 (DEBUG_ARANGES_SECTION): Likewise.
2832 (DEBUG_MACINFO_SECTION): Likewise.
2833 (DEBUG_LINE_SECTION): Likewise.
2834 (DEBUG_LOC_SECTION): Likewise.
2835 (DEBUG_PUBNAMES_SECTION): Likewise.
2836 (DEBUG_STR_SECTION): Likewise.
2837 (DEBUG_RANGES_SECTION): Likewise.
2838 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2839 (ASM_OUTPUT_DWARF_OFFSET): New.
2841 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2843 * config.gcc (tm_defines): Always add to previous value rather
2846 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2848 * config/mips/predicates.md (splittable_const_int_operand): New,
2849 split from move_operand.
2850 (splittable_symbolic_operand): New.
2851 (move_operand): Add commentary. Use splittable_const_int_operand.
2852 Inline mips_atomic_symbolic_constant_p.
2853 * config/mips/mips.md: Add combine splitters for handling moves
2854 of splittable_const_int_operands and splittable_symbolic_operands.
2855 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2856 (mips_split_symbol): Declare.
2857 (mips_move_integer): Declare.
2858 * config/mips/mips.c (mips_split_p): Make global.
2859 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2860 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2861 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2862 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2863 (mips_offset_within_object_p): Handle block symbols.
2864 (mips_atomic_symbolic_constant_p): Delete.
2865 (mips_cannot_force_const_mem): Return false for constants that
2866 mips_legitimize_move can handle.
2867 (mips_use_blocks_for_constant_p): New function.
2868 (mips_split_symbol): Make global.
2869 (mips_move_integer): Likewise. Add a temporary register argument.
2870 (mips_legitimize_const_move): Use splittable_const_int_operand and
2871 splittable_symbolic_operand.
2872 (mips_use_anchors_for_symbol_p): New function.
2873 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2874 (mips_split_p): Declare.
2876 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2878 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2879 (mips*-*-linux*): Likewise.
2881 2006-03-16 Roger Sayle <roger@eyesopen.com>
2882 Daniel Speyer <dspeyer@wam.umd.edu>
2885 * tree-dump.c (dump_real): New function.
2886 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2887 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2888 (tree-dump.o): Add $(REAL_H) to the dependencies.
2890 2006-03-16 Roger Sayle <roger@eyesopen.com>
2893 * real.c (real_from_string): If the mantissa is zero, don't bother
2894 parsing the exponent as the result should always be zero.
2896 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2898 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2900 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2902 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2903 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2904 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2905 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2906 ia64_sched_finish_global): New static functions to implement
2907 hooks from gcc_target.sched.
2908 (spec_check_no, max_uid, pending_data_specs): New static variables.
2909 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2910 ia64_spec_check_src_p): New static functions.
2911 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2912 (TARGET_SCHED_ADJUST_COST): Removed.
2913 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2914 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2915 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2916 TARGET_SCHED_GEN_CHECK,
2917 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2918 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2919 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2920 Fixed to handle speculation checks.
2921 (rtx_needs_barrier): Fixed to handle speculative loads and
2923 (ia64_variable_issue): Added code to count speculative loads and their
2925 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2927 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2929 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2931 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2932 (ia64_reorg): Reset stops_p to NULL after it is freed.
2933 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2934 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2935 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2937 (data_speculative, control_speculative, check_load): New attributes.
2938 (mov<mode>_advanced, mov<mode>_speculative,
2939 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2940 zero_extend<mode>di2_speculative,
2941 zero_extend<mode>di2_speculative_advanced): New patterns for
2942 data and control speculative loads.
2943 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2945 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2946 New pattern for data and control speculation checks.
2947 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2948 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2949 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2950 Auxiliary definitions for the patterns.
2951 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2952 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2954 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2956 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2957 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2958 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2959 New resource constraints.
2960 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2962 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2963 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2964 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2965 msched-in-control-spec, msched-ldc, msched-control-ldc,
2966 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2967 msched-prefer-non-control-spec-insns,
2968 msched-count-spec-in-critical-path): New flags to tune speculative
2970 * doc/invoke.texi (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): Document new flags.
2977 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2979 * target.h (struct spec_info_def): New opaque declaration.
2980 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2981 speculate_insn, needs_block_p, gen_check,
2982 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2983 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2984 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2985 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2986 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2987 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2989 (TARGET_SCHED): Use new macros.
2990 * rtl.h (copy_DEPS_LIST_list): New prototype.
2991 * sched-int.h (struct sched_info): Change signature of new_ready field,
2992 adjust all initializations. New fields: add_remove_insn,
2993 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2994 region_head_or_leaf_p.
2995 (struct spec_info_def): New structure declaration.
2996 (spec_info_t): New typedef.
2997 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2998 recovery_block, orig_pat.
2999 (glat_start, glat_end): New variables declaraions.
3000 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3002 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3003 DETACH_LIFE_INFO, USE_GLAT.
3004 (enum SPEC_SCHED_FLAGS): New enumeration.
3005 (NOTE_NOTE_BB_P): New macro.
3006 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3007 attach_life_info, debug_spec_status, check_reg_live): New functions.
3008 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3009 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3011 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3012 * ddg.c (get_block_head_tail): Adjust all uses.
3013 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3014 (sms_sched_info): Initialize new fields.
3015 (contributes_to_priority): Removed.
3016 * haifa-sched.c (params.h): New include.
3017 (get_block_head_tail): Adjust all uses.
3018 (ISSUE_POINTS): New macro.
3019 (glat_start, glat_end): New global variables.
3020 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3021 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3022 old_last_basic_block, before_recovery, current_sched_info_var,
3023 rgn_n_insns, luid): New static variables.
3024 (insn_cost1): New function. Move logic from insn_cost to here.
3025 (find_insn_reg_weight1): New function. Move logic from
3026 find_insn_reg_weight to here.
3027 (reemit_notes, move_insn, max_issue): Change signature.
3028 (move_insn1): Removed.
3029 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3030 extend_bb): New static functions to support extension of scheduler's
3032 (generate_recovery_code, process_insn_depend_be_in_spec,
3033 begin_speculative_block, add_to_speculative_block,
3034 init_before_recovery, create_recovery_block, create_check_block_twin,
3035 fix_recovery_deps): New static functions to support
3036 generation of recovery code.
3037 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3038 restore_bb_notes, move_block_after_check, move_succs): New static
3039 functions to support ebb scheduling.
3040 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3041 functions to support handling of register live information.
3042 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3043 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3044 add_jump_dependencies): New static functions.
3045 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3046 consistancy checking.
3047 (debug_spec_status): New function to call from debugger.
3048 (priority): Added code to handle speculation checks.
3049 (rank_for_schedule): Added code to distinguish speculative instructions.
3050 (schedule_insn): Added code to handle speculation checks.
3051 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3052 Fixed to handle ebbs.
3053 (move_insn): Added code to handle ebb scheduling.
3054 (max_issue): Added code to use ISSUE_POINTS of instructions.
3055 (choose_ready): Added code to choose between speculative and
3056 non-speculative instructions.
3057 (schedule_block): Added code to handle ebb scheduling and scheduling of
3058 speculative instructions.
3059 (sched_init): Initialize new variables.
3060 (sched_finish): Free new variables. Print statistics.
3061 (try_ready): Added code to handle speculative instructions.
3062 * lists.c (copy_DEPS_LIST_list): New function.
3063 * sched-deps.c (extend_dependency_caches): New function. Move logic
3064 from create_dependency_caches to here.
3065 (get_dep_weak, ds_merge): Make global.
3066 * genattr.c (main): Code to output prototype for
3067 dfa_clear_single_insn_cache.
3068 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3069 (output_dfa_clean_insn_cache_func): Code to output
3070 dfa_clear_single_insn_cache function.
3071 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3073 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3075 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3076 New static variables.
3077 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3078 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3080 (ebb_sched_info): Initialize new fields.
3081 (get_block_head_tail): Adjust all uses.
3082 (compute_jump_reg_dependencies): Fixed to use glat_start.
3083 (schedule_ebb): Code to remove unreachable last block.
3084 (schedule_ebbs): Added code to update register live information.
3085 * sched-rgn.c (region_sched_info): Initialize new fields.
3086 (get_block_head_tail): Adjust all uses.
3087 (last_was_jump): Removed. Adjust users.
3088 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3089 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3090 Implement new hooks.
3091 (check_dead_notes1): New static function.
3092 (struct region): New fields: dont_calc_deps, has_real_ebb.
3093 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3094 (BB_TO_BLOCK): Fixed to handle EBBs.
3095 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3096 (ebb_head): New static variable.
3097 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3098 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3100 (compute_dom_prob_ps): New assertion.
3101 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3102 global_live_at_start.
3103 (init_ready_list): New assertions.
3104 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3105 (new_ready): Add support for BEGIN_CONTROL speculation.
3106 (schedule_insns): Fixed code that updates register live information
3108 (schedule_region): Fixed to handle EBBs.
3109 (init_regions): Use extend_regions and check_dead_notes1.
3110 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3111 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3112 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3113 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3114 TARGET_SCHED_GEN_CHECK,
3115 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3116 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3117 * doc/invoke.texi (max-sched-insn-conflict-delay,
3118 sched-spec-prob-cutoff): Document.
3120 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3122 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3123 inter_tick, queue_index.
3124 (struct sched_info): Change signature of init_ready_list field.
3125 Adjust all initializations.
3126 (RESOLVED_DEPS): New access macro.
3127 (ready_add): Remove prototype.
3128 (try_ready): Add prototype.
3129 * sched-rgn.c (init_ready_list): Use try_ready.
3130 (schedule_region): Initialize
3131 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3132 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3133 (init_ready_list): Use try_ready.
3134 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3135 * lists.c (remove_list_elem): Remove `static'.
3136 (remove_free_INSN_LIST_elem): New function.
3137 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3138 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3139 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3141 (readyp): New variable.
3142 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3143 change_queue_index, resolve_dep): New static functions.
3144 (try_ready): New function. Adjust callers in sched-rgn.c and
3145 sched-ebb.c to use it instead of ready_add.
3146 (clock_var): Move at the begining of file.
3147 (rank_for_schedule): Fix typo.
3148 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3149 (ready_lastpos): Enforce assertion.
3150 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3152 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3153 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3154 (queue_to_ready): Use free_INSN_LIST_list.
3155 (early_queue_to_ready): Fix typo.
3156 (schedule_block): Init readyp. Move init_ready_list call after the
3157 initialization of clock_var. Fix error in rejecting insn by
3158 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3159 that previously corrected INSN_TICKs. Add code for handling
3161 (set_priorities): Fix typo.
3162 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3163 Clarify comment and code that keeps current_sched_info->next_tail
3166 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3168 * sched-rgn.c (extend_rgns): New static function.
3169 (find_rgns): Use it.
3170 (gather_region_statistics, print_region_statistics): New static
3172 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3173 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3175 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3176 Andrey Belevantsev <abel@ispras.ru>
3178 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3179 * lists.c (unused_deps_list): New variable.
3180 (free_list): Add assertions to verify the proper distinguishing
3181 between INSN_LISTs and DEPS_LISTs.
3182 (find_list_elem, remove_list_elem, remove_list_node): New static
3184 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3185 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3186 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3187 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3189 (free_INSN_LIST_node): Likewise.
3190 * modulo-sched.c (current_sched_info): Initialize flags field.
3191 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3192 * rtl.def (DEPS_LIST): Define.
3193 * rtl.h: Declare new functions from lists.c.
3194 * sched-deps.c (spec_dependency_cache): New static variable.
3195 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3196 (add_dependence): Change return type to void. Move the logic to ...
3197 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3198 (delete_all_dependences): Add comment about forward_dependency_cache.
3199 Handle spec_dependency_cache. Handle DEPS_LISTs.
3200 (fixup_sched_groups): Clarify the change of priority of output
3201 and anti dependencies.
3202 (sched_analyze_2): Adjust add_dependence calls to create data
3203 speculative dependence.
3204 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3205 Adjust all callers. Handle DEPS_LISTS.
3206 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3207 presence of speculation.
3208 (init_dependency_caches, free_dependency_caches):
3209 Handle spec_dependency_cache.
3210 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3211 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3212 New static functions.
3213 (add_or_update_back_dep, add_or_update_back_forw_dep,
3214 add_back_forw_dep, delete_back_forw_dep): New functions.
3215 * sched-int.h (ds_t, dw_t): New typedefs.
3216 (struct sched_info): Add new field flags.
3217 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3218 Prototype new sched-deps.c functions.
3219 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3220 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3221 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3222 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3223 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3224 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3226 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3228 * sched-rgn.c (current_sched_info): Initialize flags field.
3229 (schedule_insns): Initialize current_sched_info before the sched_init
3231 * sched-ebb.c (current_sched_info): Initialize flags field.
3232 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3233 Call add_or_update_back_dep instead of add_dependence.
3234 Create control speculative dependencies.
3235 (schedule_insns): Initialize current_sched_info before the sched_init
3238 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3240 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3242 (sh_fallback_frame_state): Likewise.
3244 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3246 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3247 Do switch on default_use_cxa_atexit.
3248 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3249 * config/darwin-crt3.o: New.
3250 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3251 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3252 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3254 * config/rs6000/t-darwin: Move crt2.o building to here.
3255 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3256 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3259 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3261 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3262 from '! xxx' to '!xxx' for coding-style conformance.
3263 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3264 (EXTRA_CONSTRAINT): Likewise.
3265 * config/vax/vax.md (four unnamed insns): Likewise.
3267 2006-03-15 Paul Brook <paul@codesourcery.com>
3269 * config/arm/arm.c (minipool_pad): New.
3270 (add_minipool_forward_ref): Include pool alignment padding in address
3272 (push_minipool_fix): Set minipool_pad.
3273 (minipool_pad): Ditto.
3275 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3277 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3278 instead of GET_CODE() == MEM and REG_P() instead of
3280 (print_operand_address): Likewise.
3281 (vax_address_cost): Likewise.
3282 (vax_rtx_costs): Likewise.
3283 (vax_notice_update_cc): Likewise.
3284 (vax_output_int_add): Likewise.
3285 (INDEX_REGISTER_P): Likewise.
3286 (BASE_REGISTER_P): Likewise.
3287 (nonindexed_address_p): Likewise.
3288 (vax_mode_dependent_address_p): Likewise.
3289 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3290 (PRINT_OPERAND): Likewise.
3291 * config/vax/vax.md (ashlsi3): Likewise.
3292 (ashlsi3): Likewise.
3293 (some more unnamed insns): Likewise.
3295 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3297 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3298 iterator-style macro.
3299 (mark_control_dependent_edges_necessary): Update the use of
3300 EXECUTE_IF_CONTROL_DEPENDENT.
3302 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3304 * config/sh/predicates.md (cache_address_operand): Special.
3305 (ua_address_operand): Likewise.
3307 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3309 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3311 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3313 2006-03-15 Andreas Schwab <schwab@suse.de>
3315 * gensupport.c (identify_predicable_attribute): Don't free p_false
3316 when it is still in use.
3318 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3320 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3321 the default setting here.
3323 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3325 * tree-pass.h (pass_cfg): Remove.
3326 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3327 * passes.c (pass_cfg): Don't run it.
3329 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3331 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3332 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3334 (stack_regs_mentioned): Update the uses of
3335 stack_regs_mentioned_data. Don't access the array beyond its
3337 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3338 Don't include gt-reg-stack.h.
3340 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3341 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3343 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3346 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3349 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3351 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3353 2006-03-14 Richard Guenther <rguenther@suse.de>
3355 PR tree-optimization/26672
3356 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3359 2006-03-14 Richard Guenther <rguenther@suse.de>
3361 PR tree-optimization/26667
3362 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3363 node for the callees. Always allow inlining if it will shrink
3366 2006-03-14 Richard Guenther <rguenther@suse.de>
3369 * builtins.c (get_pointer_alignment): Prefer alignment
3370 information from decls over that from types.
3372 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3375 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3377 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3379 * config/rs6000/rs6000.opt (mdlmzb): New option.
3380 (msched-prolog, msched-epilog): Use Var not Mask.
3381 * doc/invoke.texi (-mdlmzb): Document.
3382 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3384 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3385 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3387 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3389 PR rtl-optimization/25739
3390 * bt-load.c (augment_live_range): Free tos pointer.
3392 * gensupport.c (identify_predicable_attribute): Free
3394 * gcov.c (create_file_names): Free name pointer.
3396 2006-03-13 Roger Sayle <roger@eyesopen.com>
3399 * stmt.c (emit_case_nodes): Handle the case where the index is a
3400 CONST_INT, where the comparison mode is specified by the index type.
3402 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3404 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3407 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3409 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3410 (*branch_fp_inverted): Likewise.
3412 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3415 * omp-low.c (expand_omp_for_generic): Mark istart0
3416 and iend0 as addressable.
3418 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3420 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3422 2006-03-13 Jeff Law <law@redhat.com>
3424 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3425 virtual operands are interesting.
3426 (vrp_visit_stmt): Corresponding changes.
3428 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3430 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3432 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3433 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3434 * config/bfin/crti.S: Use it instead of __PIC__.
3435 * config/bfin/crtn.S: Likewise.
3437 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3438 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3440 Lose 'G' modifier for call operand.
3441 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3442 recognize 'G' modifier.
3444 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3447 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3448 * stmt.c (expand_case): Likewise.
3450 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3452 PR rtl-optimization/26254
3453 * loop-invariant.c (seq_insns_valid_p): New function.
3454 (move_invariant_reg): Only emit new code if it is valid.
3456 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3458 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3460 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3461 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3462 (commit_one_edge_insertion): Do not look for loop notes.
3464 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3466 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3467 flag_test_coverage out of loop.
3469 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3471 * final.c (shorten_branches): Remove outdated comment, and turn
3472 the if branch that guards it to continue.
3474 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3476 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3477 * cfgloop.h (struct loop): Remove unused fields.
3479 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3481 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3482 (-dL, -fdump-rtl-loop2): Update the dump file names
3484 * doc/invoke.texi: Update dump file names.
3486 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3488 * predict.c (estimate_probability): Remove.
3489 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3490 * basic-block.h (estimate_probability): Remove prototype.
3491 * passes.c (finish_optimization_passes): Dump branch prediction or
3492 profiling heuristics to the .profile tree dump.
3493 (init_optimization_passes): Unqueue pass_branch_prob.
3495 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3497 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3499 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3500 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3502 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3504 * function.h (frame_offset_overflow): Declare.
3505 * function.c (frame_offset_overflow): New function.
3506 (assign_stack_local_1): Call it to detect that the offset overflows.
3507 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3509 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3511 * config/sh/sh.c: Include alloc-pool.h.
3512 (label_ref_list_pool): New alloc pool.
3513 (label_ref_list_t): New type for lists of labels.
3514 (struct pool_node): Make wend a label_ref_list_t.
3515 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3517 (dump_table): Likewise.
3518 (sh_reorg): Set up the alloc pool before using add_constant and
3519 dump_table, and destroy it when finishing.
3521 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3523 * config/mips/mips.c: Remove redundant comment.
3525 2006-03-10 Jason Merrill <jason@redhat.com>
3528 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3529 the target was declared 'register'.
3531 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3533 * genpreds.c (write_insn_constraint_len): Change definition of
3534 insn_constraint_len to return size_t to match the declaration.
3536 2006-03-10 DJ Delorie <dj@redhat.com>
3538 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3540 (m32c_expand_insv): Fix test for an AND mask.
3542 2006-03-10 Richard Guenther <rguenther@suse.de>
3545 * builtins.c (get_pointer_alignment): Handle component
3546 references for field alignment.
3548 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3550 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3551 when building with libgloss.
3552 (sh*elf): Implement --without-fp option.
3553 (sh64-superh-linux*): Don't multilib.
3555 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3557 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3559 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3561 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3562 Set it when one of the replacement functions returned true.
3563 Return TODO_cleanup_cfg if cfgchanged is true.
3564 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3566 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3568 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3569 instead of gen_lowpart.
3571 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3573 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3575 (mips_output_order_conditional_branch): Declare.
3576 * config/mips/mips.h (MIPS_BRANCH): New macro.
3577 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3578 for the comparison. Use gen_condjump.
3579 (mips_output_conditional_branch): Rework interface to take the
3580 asm templates for a direct branch and the inverse of a direct branch.
3581 (mips_output_order_conditional_branch): New function.
3582 (mips_builtin_branch_and_move): New function.
3583 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3584 branch condition. Use gen_single_cc as the condition for
3585 __builtin_mips_upper_* or __builtin_mips_lower_*.
3586 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3587 Use VOIDmode for the branch condition.
3588 * config/mips/predicates.md (order_operator): New predicate.
3589 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3590 (branch_fp): Rename to...
3591 (*branch_fp): ...this. Remove mode from comparison operator.
3592 Use new mips_output_conditional_branch interface.
3593 (branch_fp_inverted): Rename to...
3594 (*branch_fp_inverted): ...this and update as for *branch_fp.
3595 (*branch_zero<mode>): Rename to...
3596 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3597 Use mips_output_order_conditional_branch. Only accept ordered
3599 (*branch_zero<mode>_inverted): Rename to...
3600 (*branch_order<mode>_inverted): ...this and update as for
3601 *branch_order<mode>.
3602 (*branch_equality<mode>): Accept zero as the second operand to
3603 the equality operator. Use the new mips_output_conditional_branch
3605 (*branch_equality<mode>_inverted): Likewise.
3606 (condjump): New expander.
3607 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3609 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3610 (bc1any2t, bc1any2f): Likewise.
3611 (single_cc): New expander.
3612 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3614 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3616 * doc/md.texi: Update documentation of MIPS constraints.
3617 * config/mips/constraints.md: New file.
3618 * config/mips/mips.md: Include it.
3619 * config/mips/mips.c (mips_char_to_class): Delete.
3620 (override_options): Don't initialize mips_char_to_class.
3621 * config/mips/mips.h (mips_char_to_class): Delete.
3622 (REG_CLASS_FROM_LETTER): Delete.
3623 (CONST_OK_FOR_LETTER_P): Delete.
3624 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3625 (EXTRA_CONSTRAINT_Y): Delete.
3626 (EXTRA_CONSTRAINT_STR): Delete.
3627 (CONSTRAINT_LEN): Delete.
3628 (EXTRA_MEMORY_CONSTRAINT): Delete.
3630 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3632 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3633 original fn's eh regions.
3635 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3637 * fold-const.c (build_range_check): Make sure to use a valid type to
3638 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3641 (range_predecessor): New static function.
3642 (range_successor): Likewise.
3643 (merge_ranges): Use them to compute predecessors and successors of
3646 2006-03-09 Roger Sayle <roger@eyesopen.com>
3649 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3650 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3652 2006-03-08 DJ Delorie <dj@redhat.com>
3654 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3655 (addpsi3): Expand to include memory operands. Remove
3656 reload-specific splits.
3657 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3658 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3659 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3660 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3661 (shift1_qi, shift1_hi, insv): New.
3662 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3663 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3664 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3666 * config/m32c/m32c-protos.h: Update as needed.
3667 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3668 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3669 Fail for unrecognized R* constraints.
3670 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3671 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3672 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3674 (m32c_init_libfuncs): New.
3675 (m32c_legitimate_address_p): Add debug wrapper.
3676 (m32c_rtx_costs): New.
3677 (m32c_address_cost): New.
3678 (conversions): Add 'B' prefix.
3679 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3680 operands, or word regnames for QI operands. 'B' prints bit
3682 (m32c_expand_setmemhi): New.
3683 (m32c_expand_movmemhi): New.
3684 (m32c_expand_movstr): New.
3685 (m32c_expand_cmpstr): New.
3686 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3687 (m32c_expand_neg_mulpsi3): Handle non-ints.
3688 (m32c_cmp_flg_0): New.
3689 (m32c_expand_movcc): New.
3690 (m32c_expand_insv): New.
3691 (m32c_scc_pattern): New.
3692 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3693 a0/a1 out of SIregs.
3694 (STORE_FLAG_VALUE): New.
3695 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3698 * config/m32c/mov.md: Make constraints more liberal.
3699 (zero_extendqihi2): Optimize r0/r1 case.
3700 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3701 * config/m32c/predicates.md (m32c_any_operand): New.
3702 (m32c_nonimmediate_operand): New.
3703 (m32c_hl_operand): New.
3704 (m32c_r3_operand): New.
3707 (memsym_operand): New.
3708 (memimmed_operand): New.
3709 (a_qi_operand): New.
3710 (m32c_eqne_operator): New.
3711 (m32c_1bit8_operand): New.
3712 (m32c_1bit16_operand): New.
3713 (m32c_1mask8_operand): New.
3714 (m32c_1mask16_operand): New.
3715 * config/m32c/blkmov.md: New file.
3716 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3718 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3720 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3721 unsigned to fix signed/unsigned comparison issue in
3722 DWARF2_FRAME_REG_OUT.
3723 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3724 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3726 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3727 of ptr into the ENABLE_CHECKING section.
3729 2006-03-08 Jeff Law <law@redhat.com>
3731 * tree-vrp.c (infer_value_range): Only count pointer uses
3732 and dereferences if -fdelete-null-pointer-checks is enabled.
3734 * tree-vrp.c (find_assert_locations): Infer value ranges for
3735 single use pointers, but do not create ASSERT_EXPRs for them.
3736 When a non-null range is inferred for a pointer, backwards
3737 propagate that range to other equivalent pointers through the
3740 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3743 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3744 language hook targets.
3745 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3746 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3747 if language hook targets were missing.
3749 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3751 * tree-ssa-opfinalize.h: Removed.
3752 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3754 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3755 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3756 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3757 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3758 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3759 finalize_ssa_v_must_def_ops): New.
3761 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3763 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3766 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3768 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3770 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3771 addresses with offsets; reorganize.
3773 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3774 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3775 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3777 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3780 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3782 2006-03-08 Ben Elliston <bje@au.ibm.com>
3784 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3786 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3789 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3792 2006-03-07 Richard Guenther <rguenther@suse.de>
3794 PR tree-optimization/26587
3795 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3797 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3799 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3801 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3803 * hooks.c (hook_bool_mode_rtx_true): New function.
3804 * hooks.h (hook_bool_mode_rtx_true): Declare.
3805 * toplev.c (compile_file): Call output_shared_constant_pool.
3806 * varasm.c (shared_constant_pool): New variable.
3807 (assemble_start_function, assemble_end_function): Remove arguments
3808 from call to output_constant_pool.
3809 (create_constant_pool): New function, split out from...
3810 (init_varasm_status): ...here.
3811 (force_const_mem): Choose between the shared and per-function constant
3812 pools. Set current_function_uses_const_pool when reusing old entries
3813 as well as when creating new ones.
3814 (mark_constant): Ignore data argument.
3815 (mark_constants): Remove pool argument.
3816 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3817 to decide whether the function uses a constant pool.
3818 (output_constant_pool_contents): New function, split out from...
3819 (output_constant_pool): ...here.
3820 (output_shared_constant_pool): New function.
3821 (init_varasm_once): Initialize shared_constant_pool.
3822 * output.h (output_constant_pool): Delete.
3823 (output_shared_constant_pool): Declare.
3824 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3825 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3827 2006-03-06 Nick Clifton <nickc@redhat.com>
3829 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3830 flag_strength_reduce.
3832 2006-03-06 Ben Elliston <bje@au.ibm.com>
3834 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3835 x86_64-*-linux* configurations.
3837 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3838 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3840 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3842 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3844 * basic-block.h: Remove the extern for
3845 rediscover_loops_after_threading.
3847 * cfgloop.c (cancel_loop): Make it static.
3848 * cfgloop.h: Remove the prototype for cancel_loop.
3850 * flow.c (recompute_reg_usage): Make it static.
3851 * rtl.h: Remove the prototype for recompute_reg_usage.
3853 * function.c (use_return_register): Make it static.
3854 * function.h: Remove the prototype.
3856 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3858 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3860 * recog.h: Remove the prototype for
3861 validate_change_maybe_volatile.
3863 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3865 * rtlanal.c (replace_reg): Remove.
3866 * rtl.h: Remove the prototype for replace_reg.
3868 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3870 * regclass.c (reg_scan_update): Remove.
3871 (reg_scan_mark_refs): Remove the last argument.
3872 * rtl.h: Remove the prototype for reg_scan_update.
3874 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3876 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3877 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3878 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3879 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3880 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3881 loop-invariant.c, omp-low.c, opts.c, passes.c,
3882 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3883 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3884 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3885 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3886 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3887 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3889 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3891 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3892 * dwarf2out.h: Remove the prototype for
3893 dwarf2out_add_library_unit_info.
3895 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3897 * tree.c (add_var_to_bind_expr): Remove.
3898 * tree.h: Remove the prototype for add_var_to_bind_expr.
3900 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3902 * regclass.c (n_non_fixed_regs): Remove.
3903 (init_reg_sets_1, globalize_reg): Remove all uses of
3905 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3907 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3909 * rtlanal.c (insns_safe_to_move_p): Remove.
3910 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3912 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3914 * expmed.c (expand_mult_add): Remove.
3915 * expr.h: Remove the prototype for expand_mult_add.
3917 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3919 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3920 and REG_SAVED_VAL_EXP constants.
3921 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3922 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3923 Handle regs stored by value.
3924 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3925 (execute_cfa_program): Handle DW_CFA_val_offset,
3926 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3927 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3928 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3929 (uw_install_context_1): Handle target regs stored by value.
3931 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3933 * tree-sra.c (tree_sra): Return todoflags;
3934 (generate_one_element): Set TODO_update_smt_usage if needed.
3935 (pass_sra): Remove TODO_update_smt_usage.
3936 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3938 (tree_ssa_forward_propagate_single_use_vars): Return
3939 TODO_update_smt_usage if we need to update SMT usage.
3940 (pass_forwprop): Remove TODO_update_smt_usage.
3942 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3944 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3945 (correct_use_link): Remove reference to get_stmt_operands.
3946 (update_stmt_operands): Likewise.
3947 (get_modify_expr_operands): New function factored out of
3948 parse_ssa_operands and get_expr_operands.
3949 Try to create V_MUST_DEFs for LHS by default.
3950 (get_expr_operands) <case MODIFY_EXPR>: Call
3951 get_modify_expr_operands.
3952 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3953 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3954 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3955 get_modify_expr_operands.
3957 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3959 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3960 * tree-flow.h: Remove the prototype for
3961 referenced_var_lookup_if_exists.
3963 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3965 PR rtl-optimization/26345
3967 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3969 2006-03-03 Roger Sayle <roger@eyesopen.com>
3971 PR tree-optimization/26524
3972 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3973 fold_convert to create a constant of the appropriate type.
3975 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3977 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3978 SYMBOL_REF_IN_BLOCK_P.
3979 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3980 of SYMBOL_FLAG_IN_BLOCK.
3981 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3982 instead of SYMBOL_REF_IN_BLOCK_P.
3983 * explow.c (use_anchored_address): Likewise.
3984 * rtl.c (rtx_size): Likewise.
3985 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3986 instead of SYMBOL_FLAG_IN_BLOCK.
3987 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3988 SYMBOL_REF_IN_BLOCK_P.
3989 (assemble_variable): Likewise.
3990 (output_constant_def_contents): Likewise.
3991 (output_constant_pool): Likewise.
3992 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3993 instead of SYMBOL_FLAG_IN_BLOCK.
3994 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3995 SYMBOL_REF_IN_BLOCK_P.
3996 (SYMBOL_REF_BLOCK): Likewise.
3997 (SYMBOL_REF_OFFSET): Likewise.
3998 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3999 SYMBOL_REF_IN_BLOCK_P.
4000 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4001 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4002 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4003 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4005 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4007 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4009 2006-03-02 Roger Sayle <roger@eyesopen.com>
4011 * simplify-rtx.c (simplify_unary_operation): When simplifying
4012 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4013 that we perform the right shift in the appropriate mode, and
4014 then extend or truncate the result to requested mode.
4016 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4018 * gengtype.c (main): Handle double_int type.
4019 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4020 * double-int.c: New file.
4021 * double-int.h: New file.
4022 * system.h: Include doubleint.h.
4023 * Makefile.in (SYSTEM_H): Include double-int.h.
4024 (double-int.o): Add.
4026 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4029 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4032 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4034 * tree-vrp.c (remove_range_assertions): Do not update statements
4037 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4039 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4041 * gcse.c (rest_of_handle_gcse): Ditto.
4042 * except.c (gate_handle_eh): Ditto.
4043 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4044 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4046 2006-03-02 Eric Christopher <echristo@apple.com>
4048 * config/i386/i386.c (machopic_output_stub): Add indirection to
4051 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4055 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4057 Sun Niagara specific optimizations.
4058 * config.gcc: Recognize niagara as target.
4059 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4060 (TARGET_CPU_niagara): Define.
4061 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4062 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4063 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4064 (ASM_CPU_SPEC): Likewise.
4065 (PROCESSOR_NIAGARA): New enum entry.
4066 (REGISTER_MOVE_COST): Handle Niagara.
4067 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4068 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4069 (sparc_override_options): Recognize "niagara", set appropriate
4070 default MASK_* values for it, and align functions to 32-bytes
4071 by default just like ULTRASPARC/ULTRASPARC3.
4072 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4073 (sparc64_initialize_trampoline): Likewise.
4074 (sparc_use_sched_lookahead): Use zero for niagara.
4075 (sparc_issue_rate): Use one for niagara.
4076 * config/sparc/niagara.md: New file.
4077 * config/sparc/sparc.md: Include it.
4078 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4079 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4080 when default cpu is niagara.
4081 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4082 (ASM_CPU_SPEC): Likewise.
4083 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4084 when default cpu is niagara.
4085 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4086 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4087 just like v9/ultrasparc/ultrasparc3.
4088 * doc/invoke.texi: Add documentation for "niagara" and improve
4089 existing documentation for ultrasparc variants.
4091 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4093 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4095 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4097 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4098 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4099 and say that only one is needed.
4100 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4101 * target.h (have_switchable_bss_sections): New hook.
4102 * explow.c (use_anchored_address): Check that the symbol is in a block.
4103 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4104 (bss_noswitch_section): New variables.
4105 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4106 (get_noswitch_section): New function.
4107 (get_block_for_section): Allow SECT to be null.
4108 (unlikely_text_section_p): Use SECTION_STYLE.
4109 (bss_initializer_p): New function.
4110 (get_variable_section): Move earlier in file. Take a new argument,
4111 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4112 Return one of the new *_sections in such cases.
4113 (get_block_for_decl): New function, extracting some logic from
4114 use_blocks_for_decl_p.
4115 (change_symbol_section): Remove in favor of...
4116 (change_symbol_block): ...this new function.
4117 (use_blocks_for_decl_p): Remove checks now performed by
4119 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4120 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4121 (emit_local, emit_bss, emit_common): ...these new functions.
4122 Return true if the alignment was honored.
4123 (emit_tls_common): New function.
4124 (asm_emit_uninitialised): Delete.
4125 (assemble_variable_noswitch): New function, split out from...
4126 (assemble_variable): ...here. Don't make decisions about common
4127 variables here. Globalize all public decls that go into non-common
4128 sections. Check whether SYMBOL_REF_BLOCK is null.
4129 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4130 (output_constant_pool): Likewise.
4131 (init_varasm_once): Initialize the new section variables.
4132 (have_global_bss_p): New function.
4133 (categorize_decl_for_section): Use bss_initializer_p.
4134 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4135 (place_block_symbol): Assert that the symbol must be in a block.
4136 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4137 (TARGET_INITIALIZER): Include it.
4138 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4139 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4140 (SECTION_MACH_DEP): Bump by two.
4141 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4142 (unnamed_section): Mention SECTION_UNNAMED in comment.
4143 (named_section): Likewise SECTION_NAMED.
4144 (noswitch_section_callback): New type.
4145 (noswitch_section): New structure.
4146 (section): Add a noswitch_section alternative.
4147 (SECTION_STYLE): New macro.
4148 (tls_comm_section, comm_section, lcomm_section): Declare.
4149 (bss_noswitch_section, have_global_bss_p): Declare.
4150 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4151 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4153 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4154 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4157 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4159 * gcc/tree-vrp.c (execute_vrp): Return value.
4160 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4161 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4162 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4163 (tree_lower_complex_O0): Ditto.
4164 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4165 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4166 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4167 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4168 (execute_tail_calls): Ditto.
4169 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4170 * gcc/tree.h (init_function_for_compilation): Ditto.
4171 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4172 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4173 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4174 * gcc/final.c (compute_alignments): Ditto.
4175 (rest_of_handle_final): Ditto.
4176 (rest_of_handle_shorten_branches): Ditto.
4177 (rest_of_clean_state): Ditto.
4178 * gcc/omp-low.c (execute_expand_omp): Ditto.
4179 (execute_lower_omp): Ditto.
4180 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4181 * gcc/ipa-reference.c (static_execute): Ditto.
4182 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4183 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4184 (rest_of_handle_machine_reorg): Ditto.
4185 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4186 * gcc/flow.c (recompute_reg_usage): Ditto.
4187 (rest_of_handle_remove_death_notes): Ditto.
4188 (rest_of_handle_life): Ditto.
4189 (rest_of_handle_flow2): Ditto.
4190 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4191 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4192 (do_ssa_store_ccp): Ditto.
4193 (execute_fold_all_builtins): Ditto.
4194 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4195 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4196 * gcc/ipa-pure-const.c (static_execute): Ditto.
4197 * gcc/cse.c (rest_of_handle_cse): Ditto.
4198 (rest_of_handle_cse2): Ditto.
4199 * gcc/web.c (rest_of_handle_web): Ditto.
4200 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4201 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4202 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4203 * gcc/tree-nrv.c (tree_nrv): Ditto.
4204 (execute_return_slot_opt): Ditto.
4205 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4206 (create_structure_vars): Ditto.
4207 * gcc/loop-init.c (rtl_loop_init): Ditto.
4208 (rtl_loop_done): Ditto.
4209 (rtl_move_loop_invariants): Ditto.
4210 (rtl_unswitch): Ditto.
4211 (rtl_unroll_and_peel_loops): Ditto.
4212 (rtl_doloop): Ditto.
4213 * gcc/gimple-low.c (lower_function_body): Ditto.
4214 (mark_used_blocks): Ditto.
4215 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4216 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4217 (cgraph_early_inlining): Ditto.
4218 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4219 * gcc/jump.c (cleanup_barriers): Ditto.
4220 (purge_line_number_notes): Ditto.
4221 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4222 (rest_of_handle_if_after_reload): Ditto.
4223 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4224 (tree_ssa_loop_im): Ditto.
4225 (tree_ssa_loop_unswitch): Ditto.
4226 (tree_vectorize): Ditto.
4227 (tree_linear_transform): Ditto.
4228 (tree_ssa_loop_ivcanon): Ditto.
4229 (tree_ssa_empty_loop): Ditto.
4230 (tree_ssa_loop_bounds): Ditto.
4231 (tree_complete_unroll): Ditto.
4232 (tree_ssa_loop_prefetch): Ditto.
4233 (tree_ssa_loop_ivopts): Ditto.
4234 (tree_ssa_loop_done): Ditto.
4235 * gcc/predict.c (tree_estimate_probability): Ditto.
4236 * gcc/recog.c (split_all_insns_noflow): Ditto.
4237 (rest_of_handle_peephole2): Ditto.
4238 (rest_of_handle_split_all_insns): Ditto.
4239 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4240 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4241 (rest_of_handle_stack_adjustments): Ditto.
4242 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4243 * gcc/function.c (instantiate_virtual_regs): Ditto.
4244 (init_function_for_compilation): Ditto.
4245 (rest_of_handle_check_leaf_regs): Ditto.
4246 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4247 (rest_of_handle_gcse): Ditto.
4248 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4249 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4250 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4251 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4252 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4253 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4254 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4255 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4256 * gcc/except.c (set_nothrow_function_flags): Ditto.
4257 (convert_to_eh_region_ranges): Ditto.
4258 (rest_of_handle_eh): Ditto.
4259 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4260 (remove_unnecessary_notes): Ditto.
4261 * gcc/except.h (set_nothrow_function_flags): Ditto.
4262 (convert_to_eh_region_ranges): Ditto.
4263 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4264 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4265 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4266 (execute_fre): Ditto.
4267 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4268 (rest_of_handle_jump2): Ditto.
4269 * gcc/tree-sra.c (tree_sra): Ditto.
4270 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4271 (execute_mudflap_function_decls): Ditto.
4272 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4273 (do_store_copy_prop): Ditto.
4274 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4275 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4276 * gcc/tree-ssa-forwprop.c
4277 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4278 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4279 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4280 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4281 (execute_late_warn_uninitialized): Ditto.
4282 * gcc/rtl.h (cleanup_barriers): Ditto.
4283 (split_all_insns_noflow): Ditto.
4284 (purge_line_number_notes): Ditto.
4285 (unshare_all_rtl): Ditto.
4286 (remove_unnecessary_notes): Ditto.
4287 (recompute_reg_usage): Ditto.
4288 (variable_tracking_main): Ditto.
4289 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4290 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4291 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4292 (execute_free_cfg_annotations): Ditto.
4293 (execute_fixup_cfg): Ditto.
4294 (execute_cleanup_cfg_pre_ipa): Ditto.
4295 (execute_cleanup_cfg_post_optimizing): Ditto.
4296 (execute_init_datastructures): Ditto.
4297 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4298 * gcc/combine.c (rest_of_handle_combine): Ditto.
4299 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4300 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4301 (rest_of_handle_reorder_blocks): Ditto.
4302 (rest_of_handle_partition_blocks): Ditto.
4303 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4304 * gcc/tree-profile.c (tree_profiling): Ditto.
4305 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4306 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4307 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4308 (rest_of_handle_sched2): Ditto.
4309 * gcc/basic-block.h (free_bb_insn): Ditto.
4310 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4311 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4312 (remove_useless_stmts): Ditto.
4313 (split_critical_edges): Ditto.
4314 (execute_warn_function_return): Ditto.
4315 (execute_warn_function_noreturn): Ditto.
4316 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4317 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4318 * gcc/passes.c (execute_one_pass): Run additional
4319 todos returned by execute function.
4320 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4323 2006-03-02 Richard Guenther <rguenther@suse.de>
4325 * tree-ssa-alias.c (find_used_portions): Consider taking
4326 the address as making the variable not write-only.
4328 2006-03-02 Nick Clifton <nickc@redhat.com>
4330 * config.gcc (default_use_cxa_atexit): Extend the description of
4331 this configure variable. Set its default value to "yes" for
4332 Linux, NetBSD and ELF targets on the assumption that they will
4333 use C libraries with the __cxa_atexit function.
4335 2006-03-02 Ben Elliston <bje@au.ibm.com>
4337 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4338 parameter as unused to suppress a build warning.
4340 2006-03-02 Ben Elliston <bje@au.ibm.com>
4342 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4345 2006-03-01 Roger Sayle <roger@eyesopen.com>
4348 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4349 declared name, the weak reference name, and the typeof name.
4350 (__gthrw): Avoid expanding the declared name suffix.
4351 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4353 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4355 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4357 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4358 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4359 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4360 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4361 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4362 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4363 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4364 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4365 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4366 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4367 (DW_END_default, DW_END_big, DW_END_little): New.
4368 (DW_END_lo_user, DW_END_hi_user): Define.
4369 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4370 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4371 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4374 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4376 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4378 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4380 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4382 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4384 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4385 to 'symbol_mem_tag'.
4387 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4390 2006-03-01 Roger Sayle <roger@eyesopen.com>
4392 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4394 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4397 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4398 MACHO_DYNAMIC_NO_PIC_P.
4399 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4401 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4404 * config/darwin-protos.h (darwin_asm_output_anchor):
4406 * config/darwin-sections.def (cstring_section):
4407 Add SECTION_MERGE to the flags.
4408 (literal4_section): Likewise.
4409 (literal8_section): Likewise.
4410 (objc_selector_refs_section): Likewise.
4411 (objc_cls_refs_section): Likewise.
4412 * config/darwin.c (darwin_asm_output_anchor): New
4414 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4416 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4418 Fix PR tree-optimization/26443
4419 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4420 to todo and PROP_tmt_usage to properties_destroyed.
4421 * tree-ssa-ccp.c (pass_ccp): Ditto.
4422 (pass_store_ccp): Ditto.
4423 * tree-ssa-dom.c (pass_dominator): Ditto.
4425 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4427 * tree-ssa-operands.c: Cleanup whitespace.
4428 (get_asm_expr_operands): Move before first invocation.
4429 (get_indirect_ref_operands): Likewise.
4430 (get_tmr_operands): Likewise.
4431 (get_call_expr_operands): Likewise.
4432 (append_def): Likewise.
4433 (append_use): Likewise.
4434 (append_v_may_def): Likewise.
4435 (append_v_must_def): Likewise.
4436 (add_call_clobber_ops): Likewise.
4437 (add_call_read_ops): Likewise.
4438 (add_stmt_operand): Likewise.
4439 (add_virtual_operand): Likewise.
4440 (build_ssa_operands): Likewise.
4442 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4447 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4448 with a call expr to ...
4449 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4451 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4453 * tree-vrp.c (extract_range_from_assert): Remove special
4454 handling for types with super-types.
4456 2006-03-01 Ben Elliston <bje@au.ibm.com>
4458 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4459 and powerpc64-*-linux* configurations.
4460 * config/t-dfprules: New file.
4462 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4463 Compile dfp-bit.c from the source directory using -DWIDTH and
4464 $DFP_CFLAGS to control the compilation of that file, rather than
4465 generating width-specific versions in the build directory.
4466 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4467 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4469 2006-02-28 Zack Weinberg <zackw@panix.com>
4471 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4474 2006-02-28 Eric Christopher <echristo@apple.com>
4476 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4477 Set up IN_LIBGCC definition of TARGET_64BIT.
4478 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4480 2006-02-28 Roger Sayle <roger@eyesopen.com>
4483 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4484 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4485 cases via the construction of "expr != 0".
4487 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4489 * alias.c (alias_invariant, alias_invariant_size): Remove.
4490 (record_base_value): Remove.
4491 (memrefs_conflict_p): Don't look at alias_invariant.
4492 (end_alias_analysis): Don't free it.
4493 * alias.h (record_base_value): Remove prototype.
4495 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4496 Adam Nemet <anemet@caviumnetworks.com>
4498 * rtl.h (truncated_to_mode): Declare it.
4499 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4500 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4501 (RTL_HOOKS_INITIALIZER): Include it.
4502 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4503 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4504 reg_truncated_to_mode.
4505 * rtlanal.c (truncated_to_mode): Define it.
4506 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4508 2006-02-28 Jeff Law <law@redhat.com>
4510 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4511 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4512 the range allowed by TYPE_PRECISION.
4514 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4516 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4518 PR tree-optimization/26419
4519 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4522 2006-02-27 Zack Weinberg <zackw@panix.com>
4524 * doc/md.texi: Fix typo in previous change.
4526 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4530 2006-02-27 Zack Weinberg <zackw@panix.com>
4532 * rtl.def (define_constraint, define_register_constraint)
4533 (define_memory_constraint, define_address_constraint): New MD forms.
4534 * gensupport.c (process_rtx): Put define_constraint etc on the
4536 * genpreds.c (process_define_predicate): Adjust comment. Validate
4537 the name, and call validate_exp to validate the expression.
4538 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4539 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4540 all callers changed.
4541 (validate_exp, needs_variable, struct constraint_data)
4542 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4543 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4544 (const_dbl_constraints, constraint_max_namelen)
4545 (have_register_constraints, have_memory_constraints)
4546 (have_address_constraints, have_address_constraints)
4547 (have_extra_constraints, have_const_int_constraints)
4548 (have_const_dbl_constraints, mangle, add_constraint)
4549 (process_define_constraint, process_define_register_constraint)
4550 (write_enum_constraint_num, write_lookup_constraint)
4551 (write_insn_constraint_len, write_regclass_for_constraint)
4552 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4553 (write_insn_extra_memory_constraint)
4554 (write_insn_extra_address_constraint)
4555 (write_satisfies_constraint_fns): New.
4556 (write_tm_preds_h): If we have new-style constraint definitions,
4557 prototype the functions generated from them, and define the
4558 old constraint interface (still used by generic code) in terms of
4560 (write_insn_preds_c): If we have new-style constraint definitions,
4561 generate all relevant functions from those definitions.
4562 (main): Handle define_constraint etc.
4563 * genoutput.c (struct constraint_data, indep_constraints)
4564 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4565 (mdep_constraint_len): New data structures and functions, defined
4566 #ifdef USE_MD_CONSTRAINTS.
4567 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4568 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4569 use new logic to validate operand constraints against constraint
4571 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4573 * defaults.h: If none of the old-style constraint macros are
4574 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4575 old-style macros; and poison REG_CLASS_FROM_LETTER,
4576 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4578 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4579 * doc/md.texi: Document new constraint-definition mechanism and the
4580 C interface it provides. Remove references to old mechanism
4581 elsewhere in the document.
4582 (Machine Constraints): Use pathnames relative to gcc directory,
4583 i.e. config/ARCH/FILE. Change i386 section to refer to
4584 config/i386/predicates.md; update that section to match docstrings.
4585 * doc/tm.texi: Move all documentation of the old constraint-
4586 definition macros to their own section, clearly mark as obsolete.
4588 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4589 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4591 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4592 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4593 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4595 (splits and peepholes): Use satisfies_constraint_*.
4596 * config/i386/i386.c (memory_address_length)
4597 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4599 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4601 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4602 scalar operation to be put back into the loop.
4604 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4607 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4608 (extract_cie_info): Handle S flag in augmentation string.
4609 (execute_cfa_program): If context->signal_frame, execute also
4610 fs->pc == context->ra instructions.
4611 (uw_frame_state_for): If context->signal_frame, don't subtract one
4612 from context->ra to find FDE.
4613 (uw_update_context_1): Set context->signal_frame to
4615 (_Unwind_GetIPInfo): New function.
4616 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4617 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4619 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4620 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4621 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4622 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4623 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4624 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4625 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4626 x86_64_fallback_frame_state): Set fs->signal_frame.
4627 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4628 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4629 (frob_update_context): Likewise. Workaround missing S flag in
4630 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4631 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4632 Remove the psw_addr + 1 hack.
4634 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4636 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4637 with aggregates here.
4638 (find_func_aliases): Remove code for &<aggregate> from here.
4640 2006-02-26 Roger Sayle <roger@eyesopen.com>
4642 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4643 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4644 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4647 2006-02-26 Roger Sayle <roger@eyesopen.com>
4650 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4652 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4654 * opts.c (decode_options): Do not handle flag_strength_reduce.
4655 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4656 and OPT_fstrength_reduce.
4657 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4658 flag_prefetch_loop_arrays for being nonzero.
4659 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4661 (fprefetch-loop-arrays-rtl): Removed.
4662 (flag_prefetch_loop_arrays): Do not specify the value.
4664 * doc/passes.texi: Update documentation of loop optimizer
4666 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4667 -frerun-loop-opt): Remove.
4669 2006-02-26 Richard Guenther <rguenther@suse.de>
4671 PR tree-optimization/26421
4672 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4673 in function calls that are ADDR_EXPRs as using the whole structure.
4675 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4677 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4678 * tree-pass.h (pass_loop_optimize): Remove.
4679 * passes.c (pass_loop_optimize): Never run it.
4680 * toplev.c (backend_init): Don't call init_loop.
4681 * opts.c (flag_loop_optimize_set): Remove.
4682 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4683 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4684 the old RTL loop optimizer when profiling enabled.
4685 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4686 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4687 pre-headers for the sake of the old RTL loop optimizer.
4688 * Makefile.in: Remove all references to loop.o.
4690 * doc/invoke.texi: Remove all references to -floop-optimize
4691 and -frerun-loop-opt.
4693 2006-02-26 Zack Weinberg <zackw@panix.com>
4695 * doc/md.texi (Machine Constraints): Refer to all files with paths
4696 relative to gcc directory (i.e. config/CPU/file). Add missing
4697 @table @code ... @end table to M32C subsection.
4699 2006-02-26 Roger Sayle <roger@eyesopen.com>
4701 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4703 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4705 2006-02-26 Roger Sayle <roger@eyesopen.com>
4706 James A. Morrison <phython@gcc.gnu.org>
4709 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4710 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4711 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4712 signedness of the shift operation.
4714 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4716 PR tree-optimization/26359
4717 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4719 2006-02-25 Roger Sayle <roger@eyesopen.com>
4721 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4722 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4723 as X == 0, and some symmetry related transformations.
4724 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4726 2006-02-25 Roger Sayle <roger@eyesopen.com>
4729 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4730 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4731 symmetry related transformations. Fold (X^C1) == C2 as
4734 2006-02-25 Juergen Weigert <jw@suse.de>
4735 Richard Guenther <rguenther@suse.de>
4737 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4739 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4741 * combine.c (gen_lowpart_or_truncate): Call
4742 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4744 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4746 * doc/invoke.texi: Move -fopenmp description to "Options for
4748 Remove reference to -lgomp.
4750 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4752 * doc/install.texi: Require GNU tar version 1.14.
4754 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4756 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4757 * doc/invoke.texi (C++ Dialect Options): Document
4758 -fno-use-cxa-get-exception-ptr.
4759 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4760 * configure: Regenerate.
4761 * c.opt (fuse-cxa-get-exception-ptr): New.
4762 * c-opts.c (c_common_handle_option): Handle
4763 OPT_fuse_cxa_get_exception_ptr.
4764 * c-common.c (flag_use_cxa_atexit): Update documentation.
4765 (flag_use_cxa_get_exception_ptr): New.
4766 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4767 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4769 (C_COMMON_OVERRIDE_OPTIONS): New.
4771 2006-02-24 Roger Sayle <roger@eyesopen.com>
4774 * combine.c (try_combine): Explicitly check whether GET_CODE is
4775 a SET or a CLOBBER, instead on checking that it isn't a USE.
4777 2006-02-24 Roger Sayle <roger@eyesopen.com>
4779 * fold-const.c (fold_comparison): New subroutine of fold_binary
4780 containing transformations common to both the equality and
4781 ordering relational operators, factored out of fold_binary.
4782 (fold_binary): Separate out the equality operators (EQ_EXPR
4783 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4784 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4785 transformations common to both.
4786 (fold_div_compare): Fix latent bugs in the previously unreachable
4787 LT_EXPR and GE_EXPR cases.
4789 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4791 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4792 decl libname for clog to __clog on AIX.
4794 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4796 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4799 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4800 output traceback table for thunks. Localise rs6000_stack_info call.
4802 2006-02-23 Roger Sayle <roger@eyesopen.com>
4803 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4805 * gthr-posix.h (__gthrw): Fix typo in comment.
4807 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4809 * doc/cpp.texi (Character sets): Document that we do support
4810 input files to be in any character set.
4812 2006-02-23 Jeff Law <law@redhat.com>
4814 * tree.h (PHI_ARG_NONZERO): Remove.
4815 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4816 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4817 node to the new node.
4819 PR tree-optimization/26425
4820 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4821 min/max, then assume its varying.
4823 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4825 PR rtl-optimization/26316
4826 * rtlanal.c (enum may_trap_p_flags): New.
4827 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4828 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4829 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4830 (may_trap_after_code_motion_p): New function.
4831 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4832 (find_invariant_insn): Use may_trap_after_code_motion_p.
4833 * rtl.h (may_trap_after_code_motion_p): Declare.
4835 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4837 * emit-rtl.c (immed_double_const): Cleanup.
4839 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4841 Fix PR tree-optimization/26376
4842 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4845 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4848 * gimplify.c (omp_add_variable): Guard variable size decl test with
4849 DECL_SIZE (decl) check.
4851 2006-02-23 Richard Guenther <rguenther@suse.de>
4854 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4855 like aggregate types.
4857 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4859 * configure.ac: Add --with{,out}-long-double-128 configure option.
4860 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4861 * configure: Rebuilt.
4862 * config.in: Rebuilt.
4863 * doc/install.texi (Options specification): Document
4864 --with-long-double-128.
4866 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4867 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4868 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4869 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4871 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4873 * config/s390/s390.c (override_options): Handle
4874 TARGET_DEFAULT_LONG_DOUBLE_128.
4876 * config/alpha/alpha.c (override_options): Handle
4877 TARGET_DEFAULT_LONG_DOUBLE_128.
4879 * config/sparc/sparc.c (sparc_override_options): Handle
4880 TARGET_DEFAULT_LONG_DOUBLE_128.
4882 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4884 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4885 (real-install-headers-tar, real-install-headers-cpio)
4886 (real-install-headers-cp): New targets.
4888 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4890 * tree.h (variable_section): Delete.
4891 * varasm.c (variable_section): Delete.
4893 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4895 * install.texi: Add notes on install.texi2html.
4896 (Building in parallel): Do not use footnotes.
4898 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4901 * doc/install.texi (Configuration): Document --disable-libgomp.
4903 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4905 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4907 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4909 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4910 (vec_extractv2df_0_sse): New.
4912 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4914 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4915 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4916 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4917 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4918 to the result of the expression.
4919 (def_cfa_1): Adjust.
4920 (frame_pointer_cfa_offset): Rename to...
4921 (frame_pointer_fb_offset): ... this. Adjust all uses.
4922 (convert_cfa_to_loc_list): Rename to...
4923 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4924 Pass it on to build_cfa_loc.
4925 (compute_frame_pointer_to_cfa_displacement): Rename to...
4926 (compute_frame_pointer_to_fb_displacement): ... this. New
4927 offset parameter. Use it in computation.
4928 (gen_subprogram_die): Compute cfa_fb_offset with the new
4929 macro, and use it to compute the fb loc list and the
4932 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4934 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4935 replaced with register_operand.
4936 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4937 non-DREG is expensive.
4938 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4939 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4942 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4944 * doc/install.texi2html: Use set -e.
4946 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4948 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4949 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4950 * doc/invoke.texi (-fshared-data): Delete.
4951 * common.opt (fshared-data): Delete.
4952 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4953 (assemble_static_space): Remove #if 0 code.
4954 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4955 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4956 * config/cris/cris.h: Remove FIXME.
4958 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4960 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4963 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4966 * combine.c (simplify_shift_const_1): Disable nested shifts
4967 optimization for vector shifts.
4969 2006-02-20 Roger Sayle <roger@eyesopen.com>
4971 PR tree-optimization/26361
4972 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4973 of unsigned integer types.
4975 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4977 * tree-chrec.c (eq_evolutions_p): New.
4978 * tree-chrec.h (eq_evolutions_p): Declared.
4979 * tree-data-ref.c: Fix formatting.
4980 (datadep_stats, dependence_stats): New.
4982 (print_direction_vector): New.
4983 (dump_data_dependence_relation): Use print_direction_vector.
4984 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4985 (compute_subscript_distance): Static.
4986 (initialize_data_dependence_relation): Static. Get the number
4987 of loops surrounding the references from the callers, and initialize
4988 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4989 base_object_differ_p analyzers.
4990 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4991 compute_overlap_steps_for_affine_1_2,
4992 analyze_subscript_affine_affine): Count the classified dependences.
4993 Print a message when a test failed.
4994 (can_use_analyze_subscript_affine_affine): New.
4995 (analyze_siv_subscript): Compute the data dependences on symbolic
4996 scevs that verify can_use_analyze_subscript_affine_affine.
4997 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4998 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4999 Handle symbolic scevs.
5000 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5002 (subscript_dependence_tester): Moved...
5003 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5004 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5005 DDR_SIZE_VECT instead of getting it in parameter.
5006 (subscript_dependence_tester): ... here. Take as a parameter
5007 loop_nest_depth. Call build_classic_dist_vector and
5008 build_classic_dir_vector.
5009 (compute_affine_dependence): Update subscript_dependence_tester
5010 parameters. Update datadep_stats counters. Call
5011 compute_subscript_distance.
5012 (compute_self_dependence): Save the dist and dir vectors. Call
5013 compute_subscript_distance.
5014 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5015 (compute_all_dependences): Reorder parameters as they were before
5016 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5017 compute_subscript_distance. Update the use of
5018 compute_affine_dependence and initialize_data_dependence_relation.
5019 (find_data_references_in_loop): Handle COMPONENT_REF.
5020 (compute_data_dependences_for_loop): Initialize dependence_stats.
5021 Don't call build_classic_dist_vector and build_classic_dir_vector.
5022 Update the parameters of initialize_data_dependence_relation and
5023 compute_all_dependences. Print the statistics from datadep_stats.
5024 (analyze_all_data_dependences): Static. Not used until the pass for
5025 checking the data dependences is contributed.
5026 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5027 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5028 (initialize_data_dependence_relation, compute_affine_dependence,
5029 analyze_all_data_dependences, compute_subscript_distance): Removed.
5030 (print_direction_vector): New.
5031 * lambda.h (gcd): ... here.
5032 (lambda_vector_gcd): Moved here from gcd_vector.
5033 * lambda-code.c (gcd, gcd_vector): Removed.
5034 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5035 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5037 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5039 * ipa-type-escape.c: Tidy some comments and white space.
5040 * tree-ssa-operands.c: Likewise.
5042 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5045 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5046 (dump_decl_name): Do not walk the decl tree chains.
5047 * tree-pass.h (TDF_CHAIN): Remove.
5049 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5051 * Makefile.in (C): Remove
5053 (.PHONY): Remove C and PROTO
5055 2006-02-20 Roger Sayle <roger@eyesopen.com>
5058 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5059 deprecated CHAR_TYPE tree code.
5061 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5063 * configure.ac (target_list): Add install-info, dvi, html.
5064 * configure: Regenerate.
5066 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5067 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5068 treelang/Make-lang.in: Do not use double-colon rules.
5070 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5072 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5073 (TMT_USED_ALONE): New macro.
5074 * tree-pass.h (PROP_tmt_usage): New property.
5075 (TODO_update_tmt_usage): New todo.
5076 * tree-ssa-alias.c (updating_used_alone): New variable.
5077 (recalculate_used_alone): New function.
5078 (compute_may_aliases): Set updating_used_alone, call
5079 recalculate_used_alone.
5080 * tree-sra.c (pass_sra): Note that this pass destroys
5081 PROP_tmt_usage, and add TODO_update_tmt_usage.
5082 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5083 * tree-flow.h (updating_used_alone): Prototype.
5084 (recalculate_used_alone): Ditto.
5085 * passes.c (execute_todo): Add code to set updating_used_alone,
5086 and call recalculate.
5087 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5088 for clobber if used alone, and add assert to verify used_alone
5091 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5093 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5094 for non tls symbols added.
5095 (legitimize_address): Do nothing for PLUS expressions if one of the
5096 addends is a tls symbol reference.
5098 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5102 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5104 * Makefile.in (BOOTSTRAPPING): New.
5105 (quickstrap): New definition if BOOTSTRAPPING=yes.
5107 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5108 * configure.ac: Substitute all_selected_languages with the languages
5109 that were configured. For all the other variables except
5110 lang_specs_files, include all the languages in the tree.
5111 * configure: Regenerate.
5113 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5114 if there is one. Run the commands to run fixincludes in the same
5117 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5118 * doc/install.texi: Document exact conventions for searching target tools.
5119 Document --with-build-time-tools. Document toplevel bootstrap. Document
5120 something more about building an Ada cross-compiler. Don't list GNU Make
5121 requirements which affect all platforms.
5123 2006-02-19 Roger Sayle <roger@eyesopen.com>
5126 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5127 only equivalent if the have both the same mode and precision.
5129 2006-02-20 Ben Elliston <bje@au.ibm.com>
5131 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5133 2006-02-19 Roger Sayle <roger@eyesopen.com>
5134 Steven Bosscher <stevenb.gcc@gmail.com>
5136 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5137 constant pool references to identify stack mode constants.
5138 * rtlanal.c (constant_pool_constant_p): New predicate to check
5139 whether operand is a floating point constant in the pool.
5140 * rtl.h (constant_pool_constant_p): Prototype here.
5141 * loop.c (scan_loop): Avoid hoisting constants from the constant
5142 pool on STACK_REGS targets.
5143 (load_mems): Likewise.
5144 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5145 loads into x87 registers expensive in terms of register pressure.
5147 2006-02-19 Roger Sayle <roger@eyesopen.com>
5149 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5150 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5152 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5154 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5155 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5157 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5159 * doc/invoke.texi: Document -fipa-pta.
5160 * common.opt: Add ipa-pta option.
5161 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5162 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5163 (do_ds_constraint): Ditto.
5164 (get_constraint_for): Only add to referenced_vars if
5165 referenced_vars exists.
5166 (insert_into_field_list): Rewrite to do this unsorted.
5167 (insert_into_field_list_sorted): Rename old insert_into_field_list
5169 (create_function_info_for): Use insert_into_field_list_sorted.
5170 (create_variable_info_for): Rewrite so it uses unsorted version,
5171 since the field list is sorted.
5172 (intra_create_variable_infos): Only add to referenced_vars if
5173 referenced_vars exists.
5174 (ipa_pta_execute): Init heapvars, and delete when done.
5175 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5177 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5179 * doc/install.texi: Add missing `@samp'.
5181 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5183 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5186 2006-02-18 Mark Wielaard <mark@klomp.org>
5188 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5189 who added new 4.1 features, bug fixes and integration support.
5191 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5194 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5197 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5199 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5200 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5201 (copy_insn_1): Likewise. Don't copy each field individually.
5203 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5205 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5206 * rtl.c (rtx_size): Rename variable to...
5207 (rtx_code_size): ...this.
5208 (rtx_size): New function.
5209 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5210 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5212 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5213 * rtl.h (rtx_code_size): New variable.
5214 (rtx_size): Change from a variable to a function.
5215 (RTX_SIZE): Rename to...
5216 (RTX_CODE_SIZE): ...this.
5219 PR tree-optimization/17106
5220 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5221 (Anchored Addresses): New section.
5222 * doc/invoke.texi (-fsection-anchors): Document.
5223 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5224 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5225 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5226 * hooks.c (hook_bool_mode_rtx_false): New function.
5227 * hooks.h (hook_bool_mode_rtx_false): Declare.
5228 * gengtype.c (create_optional_field): New function.
5229 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5230 SYMBOL_REF_IN_BLOCK_P is true.
5231 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5232 (min_anchor_offset, max_anchor_offset): Likewise.
5233 (use_anchors_for_symbol_p): New hook.
5234 * toplev.c (compile_file): Call output_object_blocks.
5235 (target_supports_section_anchors_p): New function.
5236 (process_options): Check that -fsection-anchors is only used on
5237 targets that support it and when -funit-at-a-time is in effect.
5238 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5239 if the decl doesn't have one.
5240 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5241 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5242 of force_const_mem through use_anchored_address.
5243 (expand_expr_constant): New function.
5244 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5245 calling expand_expr for INDIRECT_REF.
5246 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5247 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5248 * expr.h (use_anchored_address): Declare.
5249 * loop-unroll.c: Don't declare rtx vectors here.
5250 * explow.c: Include output.h.
5251 (validize_mem): Call use_anchored_address.
5252 (use_anchored_address): New function.
5253 * common.opt (-fsection-anchors): New switch.
5254 * varasm.c (object_block_htab, anchor_labelno): New variables.
5255 (hash_section, object_block_entry_eq, object_block_entry_hash)
5256 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5257 (use_blocks_for_decl_p, change_symbol_section): New functions.
5258 (get_variable_section): New function, split out from assemble_variable.
5259 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5260 use_blocks_for_decl_p say so. Use change_symbol_section if the
5261 symbol has already been created.
5262 (assemble_variable_contents): New function, split out from...
5263 (assemble_variable): ...here. Don't output any code for
5264 block symbols; just pass them to place_block_symbol.
5265 Use get_variable_section and assemble_variable_contents.
5266 (get_constant_alignment, get_constant_section, get_constant_size): New
5267 functions, split from output_constant_def_contents.
5268 (build_constant_desc): Create a block symbol if use_object_blocks_p
5269 says so. Or into SYMBOL_REF_FLAGS.
5270 (assemble_constant_contents): New function, split from...
5271 (output_constant_def_contents): ...here. Don't output any code
5272 for block symbols; just pass them to place_section_symbol.
5273 Use get_constant_section and get_constant_alignment.
5274 (force_const_mem): Create a block symbol if use_object_blocks_p and
5275 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5276 (output_constant_pool_1): Add an explicit alignment argument.
5277 Don't switch sections here.
5278 (output_constant_pool): Adjust call to output_constant_pool_1.
5279 Switch sections here instead. Don't output anything for block symbols;
5280 just pass them to place_block_symbol.
5281 (init_varasm_once): Initialize object_block_htab.
5282 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5283 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5284 (place_block_symbol, get_section_anchor, output_object_block)
5285 (output_object_block_htab, output_object_blocks): New functions.
5286 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5287 (TARGET_ASM_OUT): Include it.
5288 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5289 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5290 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5291 (TARGET_INITIALIZER): Include them.
5292 * rtl.c (rtl_check_failed_block_symbol): New function.
5293 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5294 (block_symbol, object_block): New structures.
5295 (rtx_def): Add a block_symbol field to the union.
5296 (BLOCK_SYMBOL_CHECK): New macro.
5297 (rtl_check_failed_block_symbol): Declare.
5298 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5299 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5300 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5301 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5302 * output.h (output_section_symbols): Declare.
5303 (object_block): Name structure.
5304 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5305 (default_use_anchors_for_symbol_p): Declare.
5306 * Makefile.in (RTL_BASE_H): Add vec.h.
5307 (explow.o): Depend on output.h.
5308 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5309 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5310 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5311 (rs6000_use_blocks_for_constant_p): New function.
5313 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5315 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5317 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5320 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5323 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5325 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5329 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5332 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5333 instead of DECL_REGISTER.
5335 2006-02-18 Olivier Hainque <hainque@adacore.com>
5338 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5340 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5343 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5344 * opth-gen.awk: Handle Var and InverseMask together.
5345 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5346 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5347 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5348 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5350 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5351 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5352 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5353 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5354 LINUX_DYNAMIC_LINKER): Define.
5355 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5356 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5358 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5359 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5360 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5361 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5362 (TARGET_C99_FUNCTIONS): Don't define.
5363 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5364 GLIBC_DYNAMIC_LINKER.
5365 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5366 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5367 GLIBC_DYNAMIC_LINKER64): Define.
5368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5369 LINUX_DYNAMIC_LINKER64.
5370 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5372 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5373 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5374 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5375 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5376 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5377 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5378 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5379 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5380 and LINUX_DYNAMIC_LINKER32.
5381 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5382 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5383 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5385 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5387 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5388 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5389 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5390 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5391 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5392 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5393 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5394 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5395 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5396 LINUX_DYNAMIC_LINKER): Define.
5397 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5398 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5399 GLIBC_DYNAMIC_LINKER64): Define.
5400 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5401 LINUX_DYNAMIC_LINKER64.
5402 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5403 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5404 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5405 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5406 LINUX_DYNAMIC_LINKER): Define.
5407 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5408 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5409 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5410 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5411 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5412 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5413 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5414 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5415 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5416 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5417 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5418 * doc/invoke.texi (-muclibc): Remove caveat about supported
5421 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5423 * doc/cpp.texi (__TIMESTAMP__): Document.
5425 2006-02-17 Roger Sayle <roger@eyesopen.com>
5428 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5429 C is one less than the width of X (and related transformations).
5430 * simplify-rtx.c (simplify_unary_operation_1): Transform
5431 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5432 depending on STORE_FLAG_VALUE, were C is one less then the
5435 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5437 Fix PR tree-optimization/26341
5438 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5439 about NAME_MEMORY_TAG's.
5441 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5444 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5445 with hardware float support, and software float support. Add fcpy
5446 alternative to hardware patterns. Add alternatives to copy between
5447 general and floating-point registers to the 32-bit pattern.
5448 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5449 secondary reload to load a QI or HI mode constant into a floating
5451 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5452 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5454 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5457 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5459 (load_macho_picbase_di): Likewise.
5461 2006-02-16 Jeff Law <law@redhat.com>
5463 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5464 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5465 (ssa_name_nonzero_p): Likewise.
5466 (get_value_range): Return NULL if VRP is not running.
5467 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5468 VRP routines do not discover a range.
5469 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5470 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5471 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5472 (tree_expr_nonnegative_p): Similarly.
5473 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5474 (restore_nonzero_vars_to_original_value): Remove.
5475 (unsafe_associative_fp_binop): Remove.
5476 (tree_ssa_dominator_optimize): Remove initialization and
5477 finalization of nonzero_vars and nonzero_vars_stack.
5478 (dom_opt_initialize_block): No longer push marker on
5480 (dom_opt_finalize_block): No longer call
5481 restore_nonzero_vars_to_original_value.
5482 (record_equivalences_from_phis): No longer look for
5483 nonzero PHI arguments.
5484 (cprop_into_successor_phis): No longer propagate nonzero
5485 property into PHI arguments. Lose unused argument. Caller
5487 (record_equivalences_from_stmt): No longer record nonzero
5488 values for SSA_NAMEs.
5489 (lookup_avail_expr): No longer use nonzero_vars.
5491 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5492 for sizetype when sizetype is unsigned.
5494 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5496 PR rtl-optimization/25603
5497 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5498 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5499 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5500 with new meaning of SETS.
5502 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5507 * config/linux.opt: New file.
5508 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5509 LINUX_DYNAMIC_LINKER): Define.
5510 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5511 * config.gcc (*-*-linux*): Define extra_options.
5512 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5513 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5514 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5515 GLIBC_DYNAMIC_LINKER.
5516 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5517 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5518 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5520 * doc/invoke.texi (GNU/Linux Options): New section.
5522 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5524 * config/sparc/sparc.md (setjmp): Rewrite.
5525 (setjmp_32): Delete.
5526 (setjmp_64): Likewise.
5528 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5530 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5533 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5535 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5538 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5540 PR rtl-optimization/26296
5541 * Makefile.in (loop-invariant.c): Add except.h dependency.
5542 * loop-invariant.c: Include except.h.
5543 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5545 2005-02-16 Paul Brook <paul@codesourcery.com>
5547 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5550 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5552 PR rtl-optimization/25636
5553 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5554 when deciding whether an insn is an initializing insn.
5556 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5558 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5559 (tree_code_size): Ditto.
5560 * tree.h (struct tree_memory_tag): Remove parent_var.
5561 (struct tree_struct_field_tag): New.
5564 (union tree_node): Add sft member.
5565 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5567 (create_sft): Add size and offset argument, set SFT_OFFSET and
5569 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5570 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5571 * tree-flow-inline.h (get_subvar_at): Update for
5572 SFT_OFFSET/SFT_SIZE.
5573 (var_can_have_subvars): Ditto.
5574 (overlap_subvar): Ditto.
5575 * print-tree.c (print_node): Print out interesting things for
5577 * tree-flow.h (struct subvar): Remove offset and size members.
5578 * tree-ssa-operands.c (get_expr_operands): Update for
5579 get_indirect_ref_operands changes.
5580 (get_indirect_ref_operands): Call add_virtual_operand instead of
5581 add_stmt_operand. Only recurse on base var if requested.
5582 (access_can_touch_variable): New function.
5583 (add_stmt_operand): Split virtual operand handling into ...
5584 (add_virtual_operand): Here. Add offset, size, and for_clobber
5585 arguments. Prune alias sets.
5586 (add_call_clobber_ops): Call add_virtual_operand.
5588 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5591 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5593 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5594 than TREE_CODE as index into omp_clause_num_ops array.
5596 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5598 PR rtl-optimization/26184
5599 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5601 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5602 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5603 must_precede, must_follow and tobe_scheduled.
5606 * opts.c (common_handle_option): Free new_option pointer.
5607 * df-core.c (df_analyze): Free postorder pointer.
5609 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5611 * Makefile.in: Fix the examples about the use of stamps
5613 2006-02-15 Michael Matz <matz@suse.de>
5617 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5618 influenced by maximum_field_alignment or DECL_PACKED.
5619 (update_alignment_for_field): Ditto.
5620 (place_field): Ditto.
5621 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5624 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5626 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5627 (debug_flow_info): Pass it.
5628 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5629 * bb-reorder.c (reorder_basic_blocks): Likewise.
5630 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5631 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5632 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5633 * gcse.c (gcse_main, bypass_jumps): Likewise.
5634 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5635 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5636 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5637 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5638 * rtl.h (dump_flow_info): Adjust prototype.
5639 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5640 * var-tracking.c (variable_tracking_main): Likewise.
5641 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5642 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5645 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5647 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5650 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5652 PR tree-optimization/26209
5653 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5654 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5656 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5658 2006-02-14 Roger Sayle <roger@eyesopen.com>
5661 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5662 (X,Y) and the corresponding symmetry related transformations.
5663 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5664 (X,Y) and its symmetry related transformations.
5666 2006-02-14 Roger Sayle <roger@eyesopen.com>
5668 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5671 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5673 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5675 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5678 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5679 support COMDAT group.
5680 * configure: Regenerate.
5682 2006-02-14 Roger Sayle <roger@eyesopen.com>
5687 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5689 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5691 Fix PR tree-optimization/26260
5693 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5695 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5696 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5697 * tree-ssa-structalias.c (create_variable_info_for): Use
5698 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5700 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5702 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5704 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5705 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5706 of the ending condition.
5707 * tree-ssa-loop-manip.c: Include params.h.
5708 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5709 tree_unroll_loop): New functions.
5710 * tree-pass.h (pass_loop_prefetch): Declare.
5711 * loop.c (rest_of_handle_loop_optimize): Test for
5712 -fprefetch-loop-arrays-rtl.
5713 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5714 * timevar.def (TV_TREE_PREFETCH): New timevar.
5715 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5716 pass_loop_prefetch): New.
5717 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5718 (cleanup_tree_cfg_loop): Call scev_reset.
5719 * common.opt (fprefetch-loop-arrays-rtl): Add.
5720 * tree-ssa-loop-prefetch.c: New file.
5721 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5722 (new_temp_expr_table): Initialize expr_vars.
5723 (free_temp_expr_table): Cleanup expr_vars.
5724 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5725 expressions from being merged into one.
5726 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5727 (struct tree_niter_desc): Add control, bound and cmp fields.
5728 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5730 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5731 (tree-cfgcleanup.o): Add SCEV_H dependency.
5732 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5733 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5735 2006-02-14 Richard Guenther <rguenther@suse.de>
5737 PR tree-optimization/26258
5738 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5739 in PHI argument processing.
5741 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5743 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5744 new expression in the requested machine mode.
5746 2006-02-13 Roger Sayle <roger@eyesopen.com>
5748 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5749 directly, instead let do_compare_rtx_and_jump handle this for us.
5750 * expr.c (expand_expr_real_1): Likewise.
5751 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5752 before do_jump_by_parts_greater.
5753 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5754 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5756 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5758 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5760 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5762 PR rtl-optimization/26235
5763 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5764 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5767 2006-02-13 Jeff Law <law@redhat.com>
5769 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5772 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5775 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5776 twice if decl is a builtin. When trying again, call get_callee_fndecl
5777 first to verify it is still a builtin.
5779 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5781 * dwarf2out.c (base_type_die): Don't add AT_name here.
5782 (subrange_type_die): Don't add AT_name here.
5783 (modified_type_die): Rearrange code flow. Do add AT_name here.
5785 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5787 PR rtl-optimization/26247
5788 PR rtl-optimization/26248
5789 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5791 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5793 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5794 * config/fixtfdi.c: Likewise.
5795 * config/fixunstfdi.c: Likewise.
5796 * config/floatditf.c: Likewise.
5798 2006-02-13 Roger Sayle <roger@eyesopen.com>
5801 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5802 into (X,C2) if C1 is a subset of the bits of C2. Transform
5803 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5805 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5807 2006-02-13 Josh Conner <jconner@apple.com>
5810 * varasm.c (function_section): Check for section name before
5811 calling select_section on targets that define
5812 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5813 unlikely_text_section instead of hot_function_section if
5814 first_function_block_is_cold.
5816 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5819 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5821 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5823 PR rtl-optimization/26222
5824 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5825 after tree->rtl expansion.
5826 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5827 before passing it to emit_move_insn.
5829 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5831 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5833 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5834 Clarify documentation.
5835 * c-common.h (warn_write_strings): Remove.
5836 * c-common.c (warn_write_strings): Likewise.
5837 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5840 2006-02-12 Roger Sayle <roger@eyesopen.com>
5843 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5844 (do_jump_parts_zero_rtx): New function renamed from
5845 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5846 (do_jump_parts_equality_rtx): New function split out from
5847 do_jump_parts_equality. Old implementation renamed as above.
5848 Call do_jump_parts_zero_rtx if either operand is zero.
5849 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5850 do all of the heavy lifting.
5851 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5852 calling either do_jump_by_parts_greater_rtx or
5853 do_jump_by_parts_equality_rtx.
5854 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5855 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5856 moved to do_compare_rtx_and_jump, call it directly.
5857 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5858 mode argument. Call do_compare_rtx_and_jump.
5859 (emit_case_nodes): Update calls to do_jump_if_equal.
5861 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5863 PR rtl-optimization/26225
5864 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5866 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5868 PR rtl-optimization/26232
5869 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5871 2006-02-11 Jason Merrill <jason@redhat.com>
5874 * tree-inline.c (declare_return_variable): Just don't use the
5875 modify target if it's a gimple complex reg and the return slot
5878 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5880 * doc/contrib.texi: Update my entry.
5882 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5884 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5886 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5888 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5891 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5893 * doc/invoke.texi (-floop-optimize2): Removed.
5894 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5895 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5896 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5897 * common.opt (floop-optimize2): Removed.
5898 (fmove-loop-invariants): Enabled by default.
5900 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5902 * tree-if-conv.c (combine_blocks): Free the result of
5903 get_loop_exit_edges.
5905 2006-02-10 Jeff Law <law@redhat.com>
5907 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5909 PR tree-optimization/26213
5910 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5911 loop trying to follow SSA_NAME_VALUE chains.
5913 2006-02-10 Richard Guenther <rguenther@suse.de>
5915 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5916 deal with structures that end in implicitly variable sized arrays.
5918 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5920 PR rtl-optimization/24762
5921 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5924 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5926 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5927 (struct ivopts_data): Add regs_used field.
5928 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5929 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5930 instead of loop_data->regs_used;
5931 (free_loop_data): Do not free aux fields for loops.
5932 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5933 and tree_ssa_iv_optimize_finalize.
5935 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5937 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5939 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5942 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5943 computing the effective result type.
5945 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5948 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5949 (tree_overlaps_hard_reg_set): Declare.
5950 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5951 type and signature to match function type expected by walk_tree.
5952 (tree_overlaps_hard_reg_set): New function.
5953 (decl_conflicts_with_clobbers_p): Rename to:
5954 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5955 Use tree_overlaps_hard_reg_set. Changed caller.
5956 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5957 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5958 * cris.c (cris_md_asm_clobbers): Likewise.
5960 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5962 * reload1.c (emit_input_reload_insns): Delete code that tries to
5963 inherit using find_equiv_reg.
5965 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5967 * c-common.h (flag_const_strings): Don't declare.
5968 * c-common.c (flag_const_strings): Remove.
5969 * c.opt (fconst_strings): Remove.
5970 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5971 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5972 (c_common_init_options): Don't set flag_const_strings.
5973 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5975 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5977 * arm.md (tlobits_cbranch): New pattern.
5978 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5979 testing a single bit.
5981 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5984 * tree-ssa-pre.c (create_component_ref_by_pieces):
5985 Handle RETURN_DECL like VAR_DECL.
5987 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5990 * fold-const.c (fold_indirect_ref_1): Fold
5991 "*(foo *)&complexfoo" to "__real__ complexfoo"
5992 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5994 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5996 * tree-flow-inline.h (var_can_have_subvars):
5997 Volatile variables should not have subvariables.
5999 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6002 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6003 multiplying unsigned values.
6006 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6008 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6010 2006-02-08 Jason Merrill <jason@redhat.com>
6013 * tree.def: Elaborate on difference from MODIFY_EXPR.
6014 * doc/c-tree.texi (INIT_EXPR): Likewise.
6015 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6016 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6017 (gimplify_target_expr): Likewise.
6018 (gimplify_cond_expr): Remove target handling.
6019 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6020 (gimplify_expr): Clobber it here.
6021 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6022 Do return slot optimization if we have an INIT_EXPR.
6025 * tree-inline.c (declare_return_variable): Also clear
6026 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6029 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6032 * gimplify.c (gimplify_one_sizepos): Fix typo.
6034 2006-02-08 Jeff Law <law@redhat.com>
6036 PR tree-optimization/21417
6037 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6038 across a backedge if the control statement at the end of the
6039 block is data dependent on other statements in the same block.
6040 (record_temporary_equivalences_from_stmts): Remove over-conservative
6041 test for threading across backedges.
6043 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6044 control statement, handle all three special cases in the same
6045 manner as they all have the same desired solution. No longer
6046 special case edge flag updating when the post dominator is
6049 2006-02-08 Roger Sayle <roger@eyesopen.com>
6051 * tree.def (CHAR_TYPE): Remove.
6052 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6053 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6054 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6055 (gen_string_type_die): Delete unreachable function.
6057 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6058 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6059 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6060 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6061 * builtins.c (type_to_class): Likewise.
6062 * fold-const.c (fold_convert, build_range_check,
6063 merge_ranges): Likewise.
6064 * expr.c (count_type_elements): Likewise.
6065 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6066 * stor-layout.c (layout_type): Likewise.
6067 * ipa-type-escape.c (type_to_consider): Likewise.
6068 * gimplify.c (omp_firstprivatize_type_sizes,
6069 gimplify_type_sizes): Likewise.
6070 * explow.c (promote_mode): Likewise.
6071 * tree-sra.c (is_sra_scalar_type): Likewise.
6072 * varasm.c (output_constant): Likewise.
6073 * tree-inline.c (remap_type_1): Likewise.
6074 * convert.c (convert_to_pointer, convert_to_real,
6075 convert_to_integer, convert_to_complex): Likewise.
6077 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6079 * df-scan.c (df_def_record_1): A set destination may
6080 be a parallel regardless of mode.
6082 2006-02-08 Roger Sayle <roger@eyesopen.com>
6085 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6086 * config/mips/_tilib.c: Remove.
6087 * config/fixtfdi.c: New libgcc source file.
6088 * config/fixunstfdi.c: New source file.
6089 * config/floatditf.c: New source file.
6090 * config/floatunditf.c: New souce file.
6091 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6092 files above instead of config/mips/_tilib.c.
6093 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6095 2006-02-08 Jeff Law <law@redhat.com>
6097 PR tree-optimization/26169
6098 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6101 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6103 * df.h (DF_REG_SIZE): Return the length of the initialized
6106 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6108 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6109 __muldf3): Return a correctly signed zero.
6111 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6113 * passes.c (register_one_dump_file): Accept the current properties
6114 instead of pass number. Adjust call to dump_register. Remove
6116 (register_dump_files): Now a wrapper around...
6117 (register_dump_files_1): ... this one. Do not modify the pass
6119 (next_pass_1): Cosmetic fix.
6120 (execute_todo): Keep second parameter only. Use curr_properties
6121 instead of fetching it from the pass structure. Check and set
6123 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6124 instead of fetching it from the pass structure. Fix calls to
6125 execute_todo. Update curr_properties and initialize .vcg RTL dump
6126 after running the pass. Reset last_verified.
6127 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6129 (FIRST_AUTO_NUMBERED_DUMP): New.
6130 (dump_register): Remove "num" parameter, assign it within the
6132 (get_dump_file_name): Modify template for dumps.
6133 * tree-dump.h (dump_register): Adjust prototype.
6134 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6135 (PROP_trees): Add PROP_gimple_lomp.
6136 (TODO_set_props): New.
6137 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6138 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6139 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6141 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6143 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6144 (sparc64-*-linux*): Likewise.
6145 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6146 * config/sparc/t-linux: New file.
6147 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6148 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6149 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6150 -m32 -mlong-double-128.
6152 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6153 * config/alpha/t-linux: New file.
6154 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6156 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6157 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6158 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6159 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6160 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6161 (CPP_ARCH32_SPEC): Remove.
6163 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6165 PR tree-optimization/26145
6166 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6169 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6172 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6173 >= 240000 when generating code for SOM runtime.
6174 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6175 to $$dyncall when generating code for SOM runtime..
6177 2006-02-07 Dirk Mueller <dmueller@suse.com>
6180 * doc/invoke.texi (-Wsequence-point): Update documentation
6181 that -Wsequence-point is implemented for C++ as well.
6183 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6185 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6186 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6187 (LIB_SPEC): Likewise.
6188 * doc/invoke.texi (SPARC options): Document -pthread.
6190 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6192 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6195 2006-02-07 Roger Sayle <roger@eyesopen.com>
6197 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6198 Correct comment describing BOOLEAN_TYPE.
6200 2006-02-07 Dirk Mueller <dmueller@suse.com>
6202 * c.opt: C++ frontend supports -Wdiv-by-zero.
6203 * c-opts.c (c_common_handle_option): Remove dead case.
6205 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6207 * configure.ac (TLS assembler check): Do not enable TLS by
6208 default on SPARC/Solaris before version 10.
6209 * configure: Regenerate.
6211 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6213 * doc/invoke.texi (xl-compat): Document conversion and support
6216 2006-02-07 Jeff Law <law@redhat.com>
6218 * tree-vrp.c (find_conditional_asserts): Update comments.
6219 (simplify_stmt_for_jump_threading): New.
6220 (identify_jump_threads, finalize_jump_threads): New.
6221 (vrp_finalize): Call identify_jump_threads.
6222 (execute_vrp): Call finalize_jump_threads.
6223 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6224 (vrp_element, vrp_data, vrp_element_p): Remove.
6225 (vrp_hash_elt, vrp_variables_stack): Remove.
6226 (vrp_hash, vrp_eq, record_range): Remove.
6227 (simplify_cond_and_lookup_avail_expr): Remove.
6228 (extract_range_from_cond): Remove.
6229 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6230 (simplify_stmt_for_jump_threading): New.
6231 (dom_thread_across_edge): New wrapper.
6232 (tree_ssa_dominator_optimize): No longer initialize or
6233 finalize any of the VRP datastructures. Remove iteration
6234 step and simplify as a result of removal of iteration step.
6235 (pass_dominator): Perform a cfg cleanup after DOM.
6236 (dom_opt_finalize_block): Use the new common routines
6237 for threading jumps. Simplify stack management slightly.
6238 No longer need to unwind VRP state.
6239 (record_equivalences_from_incoming_edge): No longer record
6241 (eliminate_redundant_computations): No longer call
6242 simplify_cond_and_lookup_avail_expr.
6243 * tree-flow.h (potentially_threadable_block): Prototype.
6244 (thread_across_edge): Likewise.
6245 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6246 (tree-ssa-threadedge.o): Add dependencies.
6247 * tree-ssa-threadedge.c: New file.
6248 * passes.c (init_optimization_passes): Merge PHIs before
6249 calling VRP. Run VRP again late in the SSA optimization pipeline.
6251 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6253 * df-core.c (df_set_blocks): Do not dereference function pointers.
6254 (df_finish1): Likewise.
6255 (df_hybrid_search_forward): Likewise.
6256 (df_hybrid_search_backward): Likewise.
6257 (df_iterative_dataflow): Likewise.
6258 (df_analyze_problem): Likewise.
6259 (df_compact_blocks): Likewise.
6260 (df_dump): Likewise.
6261 * df-scan.c (df_rescan_blocks): Likewise.
6262 (df_record_entry_block_defs): Likewise.
6264 * genconditions.c (write_conditions): Guard the definition of
6265 'insn_conditions' with the check on GCC version.
6266 (write_writer): Guard the traversal 'insn_conditions' with
6267 the check on GCC version.
6269 2006-02-07 Richard Guenther <rguenther@suse.de>
6273 2006-01-30 Richard Guenther <rguenther@suse.de>
6275 * gimplify.c (gimplify_target_expr): Handle easy cases
6276 without creating a temporary.
6278 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6280 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6281 use of float in probability computations. Use edge probabilities
6282 in place of statically computed probabilities.
6283 (min_spec_prob): New static variable.
6284 (schedule_insns): Initialize it.
6285 (GET_SRC_PROB): Removed.
6286 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6288 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6291 * config/ia64/unwind-ia64.c: Revert last change.
6292 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6293 (INCOMING_FRAME_SP_OFFSET): Define.
6295 2006-02-06 Roger Sayle <roger@eyesopen.com>
6297 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6299 2006-02-07 Ben Elliston <bje@au.ibm.com>
6301 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6302 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6303 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6304 (ix86_return_in_memory): Handle TDmode.
6305 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6306 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6308 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6310 * reorg.c (dbr_schedule): Use dump_file instead of file.
6312 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6315 * config/ia64/predicates.md (extr_len_operand): New predicate.
6316 * config/ia64/ia64.md (extv): Tighten constraints.
6318 (*tbit_and_2): Ditto.
6319 (*tbit_and_3): Ditto.
6320 (*tbit_or_2): Ditto.
6321 (*tbit_or_3): Ditto.
6325 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6328 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6330 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6332 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6333 loop_optimizer_init and loop_optimizer_finalize
6334 * tree-ssa-sink.c (execute_sink_code): Ditto.
6335 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6336 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6337 tree_ssa_loop_done): Ditto.
6338 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6339 * sched-ebb.c: Include output.h.
6340 (schedule_ebbs): Do not use dump argument.
6341 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6342 * loop.c (loop_dump_stream): Removed.
6343 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6345 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6346 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6347 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6348 loop_iterations, strength_reduce, record_biv, record_giv,
6349 final_giv_value, check_final_value, check_ext_dependent_givs,
6350 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6351 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6352 dump_file instead of loop_dump_stream.
6353 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6355 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6357 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6358 * haifa-sched.c: Include output.h
6359 (schedule_insns, sched_init): Do not use dump argument.
6360 * mode-switching.c (optimize_mode_switching): Ditto.
6361 * modulo-sched.c (stats_file): Removed.
6362 (print_node_sched_params): Do not call argument dump_file.
6363 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6364 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6366 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6368 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6369 rtl_loop_init, rtl_loop_done): Ditto.
6370 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6371 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6373 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6374 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6375 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6376 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6377 * emit-rtl.c (renumber_insns): Ditto.
6378 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6379 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6380 * regclass.c (regclass): Ditto.
6381 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6382 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6383 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6384 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6386 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6387 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6389 * gcse.c (gcse_file, debug_stderr): Removed.
6390 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6391 rest_of_handle_gcse): Do not use dump argument.
6392 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6393 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6394 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6395 compute_code_hoist_vbeinout, compute_code_hoist_data,
6396 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6397 compute_store_table, build_store_vectors, insert_insn_start_bb,
6398 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6399 store_motion): Use dump_file instead of gcse_file.
6400 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6401 * profile.c (profile_dump_file): Removed.
6402 (branch_prob): Use dump_file instead of profile_dump_file.
6403 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6405 * tree-ssa-copy.c (dump_copy_of): Ditto.
6406 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6407 dump file to life_analysis.
6408 * bt-load.c (branch_target_load_optimize): Ditto.
6409 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6411 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6412 regclass, dbr_schedule): Declaration changed.
6413 * sched-int.h (sched_init): Declaration changed.
6414 * tree-profile.c (tree_profile_dump_file): Removed.
6415 (tree_profile_hooks): Removed profile_dump_file hook.
6416 * rtl-profile (rtl_profile_dump_file): Removed.
6417 (rtl_profile_hooks): emoved profile_dump_file hook.
6418 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6420 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6421 * tree-cfg.c (build_tree_cfg): Ditto.
6422 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6423 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6424 Declaration changed.
6425 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6426 life_analysis and schedule_insns.
6427 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6429 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6431 * config/mips/mips.c (mips_reorg): Ditto.
6432 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6435 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6437 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6438 (s390_mangle_fundamental_type): New.
6439 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6442 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6443 (alpha_mangle_fundamental_type): New.
6444 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6447 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6449 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6451 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6452 (sparc_mangle_fundamental_type): New.
6454 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6456 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6457 (s390x-*-linux*): Likewise.
6458 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6459 * config/s390/t-linux: New file.
6461 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6463 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6464 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6466 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6468 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6469 (ANTIC_SAFE_LOADS): New macro.
6470 (find_or_generate_expression): Add prototype.
6471 (set_contains_value): Allow null set for sake of not always having
6472 to allocate ANTIC_SAFE_LOADS.
6473 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6474 Allow COMPONENT_REF too.
6475 (valid_in_set): Allow COMPONENT_REF.
6476 Check ANTIC_SAFE_LOADS too.
6477 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6478 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6480 (can_PRE_operation): Add COMPONENT_REF.
6481 (create_component_ref_by_pieces): New function.
6482 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6483 (insert_aux): Move AGGREGATE_TYPE_P check here.
6484 (compute_avail): Set bb local stmt uids.
6485 (pass_pre): Use TODO_update_ssa_only_virtuals.
6487 2006-02-06 Ben Elliston <bje@au.ibm.com>
6489 * configure.ac: Unconditionally disable decimal float by default.
6490 * configure: Regenerate.
6492 2006-02-06 Ben Elliston <bje@au.ibm.com>
6494 * read-rtl.c (read_name): Terminate reading on EOF.
6496 2006-02-06 Ben Elliston <bje@au.ibm.com>
6498 * dfp.c (decimal_real_arithmetic): Change second argument type
6499 from int to enum tree_code. Do not always return true, but now
6500 return result of any call to decimal_do helper functions.
6501 * dfp.h (decimal_real_arithmetic): Update prototype.
6503 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6505 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6507 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6510 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6513 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6515 * tree-vrp.c (cfg_loops): Removed.
6516 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6517 Use current_loops instead of cfg_loops. Pass flags to
6518 loop_optimizer_init.
6519 * cfgloopmanip.c (fix_loop_structure): Update only available
6521 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6522 loop_optimizer_init.
6523 * modulo-sched.c (build_loops_structure): Removed.
6524 (sms_schedule): Use loop_optimizer_init.
6525 * loop-init.c (loop_optimizer_init): Use flags to determine
6526 which properties of loops to prepare.
6527 (rtl_loop_init): Pass flags to loop_optimizer_init.
6528 * tree-ssa-sink.c (execute_sink_code): Ditto.
6529 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6530 * tree-ssa-pre.c (init_pre): Ditto.
6531 * cfgloop.h (LOOPS_NORMAL): New.
6532 (loop_optimizer_init): Declaration changed.
6534 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6536 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6537 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6539 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6541 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6543 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6544 * pa/t-pa64: Delete quadlib.c rule.
6545 * pa/x-ada: Revert last change.
6546 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6548 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6550 PR rtl-optimization/26087
6551 * rtlanal.c (canonicalize_condition): Do not cross basic block
6554 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6557 * config/ia64/ia64.c: Include debug.h.
6558 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6559 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6560 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6561 (process_epilogue, process_set, process_for_unwind_directive):
6562 Output unwind info only if requested. Add CFA info if requested.
6563 Add new arguments as needed. Adjust callers.
6564 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6566 (DWARF2_FRAME_INFO): Define to zero.
6567 * config/ia64/unwind-ia64.c: Remove code that compensated for
6568 the CFA offset error fixed above.
6569 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6570 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6571 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6572 -funwind-tables and -fexceptions to enable frame info.
6573 (dwarf2out_frame_init): Define initial CFA even if
6574 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6575 DWARF2_UNWIND_INFO is nonzero, not just defined.
6576 (dwarf2out_frame_finish): Output non-EH call frame info only
6577 if DWARF2_FRAME_INFO is nonzero.
6578 (convert_cfa_to_loc_list,
6579 compute_frame_pointer_to_cfa_displacement): Define even if
6580 unwind info is not supported.
6581 (gen_subprogram_die): Use the above unconditionally. Remove
6582 legacy alternate code.
6583 * toplev.c (compile_file): Compile in call to
6584 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6585 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6587 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6588 Jakub Jelinek <jakub@redhat.com>
6590 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6591 IBM extended float format long double as "g" on powerpc*-linux.
6593 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6596 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6597 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6599 2006-02-03 Jason Merrill <jason@redhat.com>
6602 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6605 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6606 on the return slot if it's an NRV.
6608 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6610 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6611 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6612 rewrite_use): Do not handle USE_OUTER.
6613 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6614 add_iv_outer_candidates, may_replace_final_value,
6615 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6616 (find_interesting_uses_op): Functionality of
6617 find_interesting_uses_outer_or_nonlin moved here.
6618 (find_interesting_uses_outside): Use find_interesting_uses_op.
6620 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6623 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6625 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6626 Ulrich Weigand <uweigand@de.ibm.com>
6629 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6630 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6631 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6632 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6634 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6635 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6636 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6637 Define secondary reloads for TFmode moves.
6638 (constant_modes): Add TFmode.
6639 (NR_C_MODES): Set to 8.
6640 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6642 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6643 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6644 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6645 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6646 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6647 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6648 (FPR mode macro): Add TFmode.
6649 (DSF mode macro): New.
6650 (<de>, <dee> mode attributes): Removed.
6651 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6652 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6653 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6654 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6655 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6656 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6657 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6658 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6659 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6660 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6661 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6662 "*negabs<mode>2", "sqrt<mode>2"):
6663 Changed <de> to <xde>. R constraint replaced by <Rf>.
6664 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6666 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6667 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6668 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6670 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6671 "extenddftf2", "extendsftf2"): New expanders.
6672 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6673 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6674 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6675 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6677 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6678 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6679 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6680 __floatditf): Add a GCC_4.1.0 symbol version tag.
6681 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6684 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6687 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6688 Use targetm.binds_local_p instead of TREE_PUBLIC.
6690 2006-02-02 Roger Sayle <roger@eyesopen.com>
6692 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6693 on INTEGER_TYPEs to indicate that it denotes a character type.
6694 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6695 signed_char_type_node, unsigned_char_type_node and char_type_node.
6696 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6697 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6698 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6700 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6701 Daniel Berlin <dberlin@dberlin.org>
6703 * tree-tailcall.c (arg_needs_copy_p): New function.
6704 (eliminate_tail_call): Use arg_needs_copy_p.
6705 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6706 (add_virtual_phis): New function.
6708 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6710 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6711 #ignore instead of #scratch for %g7 .register directive.
6713 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6715 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6718 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6720 * flow.c (calculate_global_regs_live): Assert that there aren't any
6723 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6725 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6727 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6728 bsi_after_labels iterator.
6729 * tree-if-conv.c (find_phi_replacement_condition,
6730 replace_phi_with_cond_modify_expr): Likewise.
6731 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6732 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6734 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6736 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6738 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6741 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6742 array after growing it.
6744 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6747 * fold-const.c (fold_checksum_tree): Change type of buf.
6749 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6751 * reload.c (push_secondary_reload): Initialize t_icode.
6753 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6755 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6756 -msoft-float -mlong-double-128 only issue a warning, but don't
6757 swich to DFmode long double.
6759 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6761 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6762 has a constant equivalent, iterate over equivalents for arg0,
6763 calling simplify_relational_operation and if there's a result
6764 cheaper than X, apply fold_rtx and return the result.
6766 2006-02-01 Jan Hubicka <jh@suse.cz>
6768 * opts.c (no_unit_at_a_time_default): New global variable.
6769 (decode_options): Use it.
6770 * opts.h (no_unit_at_a_time_default): Declare.
6772 2006-02-01 Paul Brook <paul@codesourcery.com>
6774 * function.c (assign_parm_setup_reg): Use function argument promotion
6776 * expr.c (expand_expr_real_1): Use function argument promotion rules
6779 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6781 * gcc.c (process_command): Change j to 'unsigned int'.
6783 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6786 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6787 Use the corrected index for the character
6788 out of the string constant.
6790 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6792 * mode-switching.c (optimize_mode_switching): Fix size
6793 allocated for bb_info[n_entities].
6795 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6797 * gcc.c (main): Correct type that is allocated for
6798 explicit_link_files.
6800 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6802 * config/s390/s390.c (init_alignment_context): Set
6803 ALIAS_SET_MEMORY_BARRIER on the MEM.
6804 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6806 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6809 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6811 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6814 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6816 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6817 * regrename.c: Ditto.
6818 * tree-ssa-loop-im.c: Ditto.
6819 * tree-dump.c: Ditto.
6820 * tree-complex.c: Ditto.
6821 * genrecog.c: Ditto.
6822 * tree-ssa-threadupdate.c: Ditto.
6824 * java/class.c: Ditto.
6825 * java/jcf-parse.c: Ditto.
6826 * java/resource.c: Ditto.
6827 * java/except.c: Ditto.
6828 * java/jvspec.c: Ditto.
6829 * java/jcf-write.c: Ditto.
6830 * java/jcf-path.c: Ditto.
6831 * java/gjavah.c: Ditto.
6832 * java/zextract.c: Ditto.
6833 * java/jcf-io.c: Ditto.
6834 * java/jcf.h: Ditto.
6835 * java/buffer.c: Ditto.
6836 * java/lang.c: Ditto.
6837 * java/parse-scan.y: Ditto.
6838 * java/lex.c: Ditto.
6839 * java/lex.h: Ditto.
6840 * cfgloopmanip.c: Ditto.
6841 * postreload-gcse.c: Ditto.
6842 * tree-ssa-loop-manip.c: Ditto.
6843 * postreload.c: Ditto.
6844 * tree-ssa-loop-ch.c: Ditto.
6848 * diagnostic.c: Ditto.
6850 * genoutput.c: Ditto.
6852 * cfghooks.c: Ditto.
6853 * cfgloopanal.c: Ditto.
6854 * objc/objc-act.c: Ditto.
6856 * genextract.c: Ditto.
6857 * genautomata.c: Ditto.
6858 * pretty-print.c: Ditto.
6860 * cgraphunit.c: Ditto.
6863 * haifa-sched.c: Ditto.
6864 * dominance.c: Ditto.
6866 * tree-ssa-loop-ivopts.c: Ditto.
6868 * mode-switching.c: Ditto.
6869 * modulo-sched.c: Ditto.
6871 * ipa-pure-const.c: Ditto.
6873 * fix-header.c: Ditto.
6875 * tree-stdarg.c: Ditto.
6876 * ipa-utils.c: Ditto.
6877 * loop-init.c: Ditto.
6878 * ipa-inline.c: Ditto.
6881 * alloc-pool.c: Ditto.
6882 * dwarf2out.c: Ditto.
6884 * genattrtab.c: Ditto.
6885 * tree-ssa-loop-ivcanon.c: Ditto.
6889 * fortran/gfortranspec.c: Ditto.
6891 * local-alloc.c: Ditto.
6892 * langhooks.c: Ditto.
6893 * function.c: Ditto.
6894 * tree-vectorizer.c: Ditto.
6896 * ipa-type-escape.c: Ditto.
6898 * tree-if-conv.c: Ditto.
6901 * tree-data-ref.c: Ditto.
6902 * loop-unroll.c: Ditto.
6903 * treelang/treetree.c: Ditto.
6906 * ggc-common.c: Ditto.
6908 * coverage.c: Ditto.
6910 * tree-cfgcleanup.c: Ditto.
6911 * tree-ssa-pre.c: Ditto.
6912 * cfgcleanup.c: Ditto.
6913 * loop-invariant.c: Ditto.
6915 * ipa-prop.c: Ditto.
6916 * print-tree.c: Ditto.
6917 * conflict.c: Ditto.
6918 * ggc-page.c: Ditto.
6919 * sched-deps.c: Ditto.
6920 * regclass.c: Ditto.
6921 * tree-object-size.c: Ditto.
6923 * bb-reorder.c: Ditto.
6924 * resource.c: Ditto.
6925 * var-tracking.c: Ditto.
6927 * df-problems.c: Ditto.
6928 * reg-stack.c: Ditto.
6931 * sched-rgn.c: Ditto.
6932 * tree-ssa-structalias.c: Ditto.
6933 * tree-ssa-reassoc.c: Ditto.
6934 * config/darwin-c.c: Ditto.
6935 * config/darwin.c: Ditto.
6936 * config/arm/arm.c: Ditto.
6938 * collect2.c: Ditto.
6941 2006-01-31 Nicolas Pitre <nico@cam.org>
6943 * arm.md (smaxsi3): Make aware of smax_m1.
6946 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6948 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6950 2006-01-31 Richard Guenther <rguenther@suse.de>
6952 * doc/invoke.texi (-msselibm): Document.
6953 * target.h (expand_library_builtin): New target hook.
6954 * builtins.c (expand_builtin): Use expand_library_builtin.
6955 (default_expand_library_builtin): New function.
6956 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6957 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6958 (link_gcc_math_spec): Declare.
6959 (static_specs): Add link_gcc_math_spec.
6960 * expr.h (default_expand_library_builtin): Declare.
6961 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6962 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6963 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6964 * config/i386/i386.opt (msselibm): New target option.
6965 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6966 (ix86_init_sse_abi_builtins): New function.
6967 (ix86_expand_library_builtin): Likewise.
6968 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6969 (override_options): Handle error conditions wrt -msselibm.
6970 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6971 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6972 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6975 2006-01-31 Richard Guenther <rguenther@suse.de>
6976 Paolo Bonzini <bonzini@gnu.org>
6978 * doc/install.texi (--disable-libgcc-math): Document.
6980 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6982 * expr.h (expand_normal): new inline function.
6983 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6985 * dwarf2out.c: use it.
6990 * config/sparc/sparc.c: use it.
6991 * config/i386/i386.c: use it.
6992 * config/rs6000/rs6000.c: use it.
6993 * config/arm/arm.c: use it.
6994 * config/mips/mips.c: use it.
6995 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6997 2006-01-30 Roger Sayle <roger@eyesopen.com>
6999 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7000 argv to the appropriate type.
7002 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7004 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7007 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7010 * config/s390/s390.c (struct machine_function): New flag
7011 decomposed_literal_pool_addresses_ok_p.
7012 (s390_reorg): Set it before final stage of literal pool transforms.
7013 (s390_decompose_address): Only accept displacements of the form
7014 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7016 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7018 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7019 the comparison routine return.
7021 2006-01-30 Michael Matz <matz@suse.de>
7023 * global.c (find_reg): Only evict for global regs.
7024 Take n_refs into account and dump more info.
7026 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7029 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7030 (pragma_trap, pragma_nosave_low_regs): Likewise.
7031 (current_function_anonymous_args): Likewise.
7032 (sh_deferred_function_attributes): New variable.
7033 (sh_deferred_function_attributes_tail): Likewise.
7034 (print_operand): For '@', look up trap_exit attribute.
7035 (calc_live_regs): Look up trapa_handler attribute. For trapa
7036 handlers, save/restore fpscr, but don't do any other
7037 interrupt-specific saves.
7038 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7039 Fix check for partially saved registers to check for SHmedia.
7040 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7041 (sh_output_function_epilogue): Don't clear any of the removed
7043 (sh_insert_attributes): Don't check pragma_interrupt.
7044 Insert deferred attributes. Check that interrupt attribute is
7045 present for other attributes that require its presence.
7046 (sh_attribute_table): Add new attributes trapa_handler and
7048 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7049 Don't check for pragma_interrupt. Don't store argument.
7050 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7051 (sh_deferred_function_attributes): Declare.
7052 (sh_deferred_function_attributes_tail): Likewise.
7053 * sh.md (sp_switch_1): Add operand. Change generator caller.
7054 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7055 (*return_i): Don't use when trap_exit attribute is in effect.
7056 (*return_trapa): New insn pattern.
7058 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7059 setting c_target_objs and cxx_target_objs.
7060 * t-sh: Add rule for sh-c.o.
7062 2006-01-30 Richard Guenther <rguenther@suse.de>
7065 * gimplify.c (gimplify_target_expr): Handle easy cases
7066 without creating a temporary.
7068 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7070 * vec.h (safe_grow): Remove duplicated line.
7072 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7075 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7076 (expand_omp): ... here.
7077 (expand_omp_parallel): Only remove barriers for combined
7078 parallel+workshare constructs.
7080 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7084 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7085 * tree.c (build_qualified_type): Chain the new type to the original
7086 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7087 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7088 (build_pointer_type_for_mode): Only return unqualified types.
7089 (build_reference_type_for_mode): Likewise.
7091 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7093 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7094 * Makefile.in (CXX_COMPAT_WARN): Define.
7095 * configure: Regenerate.
7097 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7100 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7103 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7105 * toplev.c: Fix thinko.
7107 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7108 Marcin Dalecki <martin@dalecki.de>
7110 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7111 (push_srcloc): Use XNEW.
7112 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7114 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7116 * df-core.c (df_set_blocks): Deleted all variable.
7118 2006-01-28 Ian Lance Taylor <ian@airs.com>
7120 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7121 cgraph_output_pending_asms.
7123 2006-01-28 Zack Weinberg <zackw@panix.com>
7125 * c.opt: Add -W(no-)overlength-strings.
7126 * doc/invoke.texi: Document it.
7127 * c-opts.c (c_common_handle_option): -pedantic implies
7128 -Woverlength-strings, if not explicitly disabled already.
7129 (c_common_post_options): -Woverlength-strings defaults to off, and
7130 is always off for C++.
7131 * c-common.c (fix_string_type): Issue warning about strings longer
7132 than is portable only if warn_overlength_strings. Rearrange code
7133 a little for clarity.
7134 * configure.in: Check for -Wno-overlength-strings as well before
7135 enabling -pedantic in stage 1.
7136 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7137 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7139 * genconditions.c (write_header, write_one_condition)
7140 (write_conditions, write_writer): Consolidate very long strings
7141 that were broken up to fit in C89 portable limit. Don't use
7142 printf when fputs will do.
7144 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7146 * combine.c (simplify_comparison <AND>): Check
7147 TRULY_NOOP_TRUNCATION before start using a subreg.
7149 * config/mips/mips.md (*branch_zero<mode>,
7150 *branch_zero<mode>_inverted, *branch_equality<mode>,
7151 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7152 Remove mode check from comparisons.
7154 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7156 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7158 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7160 * expmed.c (const_mult_add_overflow_p): Remove.
7161 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7163 * recog.c (validate_replace_rtx_subexp): Remove.
7164 * recog.h: Remove the prototype for
7165 validate_replace_rtx_subexp.
7167 * integrate.h: Remove the prototype for
7168 copy_decl_for_inlining.
7169 * rtl.h: Remove the prototype for mark_constant_function.
7170 * tree-vectorizer.h: Remove the prototype for
7171 vect_strip_conversion.
7173 * modulo-sched.c (create_partial_schedule,
7174 free_partial_schedule, reset_partial_schedule): Make them
7177 * hooks.c (hook_bool_rtx_int_false): Remove.
7178 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7180 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7182 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7183 and -mlong-double-128 are incompatible.
7184 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7185 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7186 (TARGET_LIBGCC2_CFLAGS): Define.
7187 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7188 (TARGET_LIBGCC2_CFLAGS): Same.
7189 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7191 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7194 * c-typeck.c (build_binary_op): Perform implicit casts of
7195 operands before shortening them.
7197 * cfgloopmanip.c (split_loop_bb): Remove.
7198 * cfgloop.h: Remove the prototype for split_loop_bb.
7200 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7201 * cfgloop.h: Remove the prototype for
7202 flow_loop_outside_edge_p.
7204 * emit-rtl.c (init_virtual_regs): Make it static.
7205 * function.h: Remove the prototype for init_virtual_regs.
7207 * recog.c (peephole2_optimize): Make it static.
7208 * recog.h: Remove the prototype for peephole2_optimize.
7210 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7212 * df-scan.c (df_record_entry_block_defs): Check if
7213 INCOMING_RETURN_ADDR_RTX is defined.
7215 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7216 Kenneth Zadeck <zadeck@naturalbridge.com>
7218 PR rtl-optimization/24762
7219 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7220 * targhooks.c (hook_void_bitmap): New hook prototype.
7221 * targhoohs.h (hook_void_bitmap): Ditto.
7222 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7223 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7224 * target.h (live_on_entry): New function pointer.
7225 * df-scan.c (df_all_hard_regs): Removed.
7226 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7227 (df_scan_free_internal): Added df->entry_block_defs.
7228 (df_scan_alloc): Ditto.
7229 (df_scan_dump): Ditto.
7230 (df_uses_record): Plumbed flag field properly thru calls.
7231 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7232 This part fixes PR24762.
7233 (df_bb_refs_record): Added code to make the frame and arg
7234 pointers live in EH blocks.
7235 (df_refs_record): Added call to df_record_entry_block_defs.
7236 (df_record_entry_block_defs): New function.
7237 * df-core.c: Added comments to describe new artifical defs.
7238 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7239 (entry_block_defs): New field in struct df.
7240 (df_all_hard_regs): Deleted.
7241 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7242 * df-problems.c (df_ru_bb_local_compute_process_def):
7243 Added code to handle artifical defs in the entry to a function.
7244 (df_ru_bb_local_compute): Ditto.
7245 (df_rd_bb_local_compute_process_def): Ditto.
7246 (df_rd_bb_local_compute): Ditto.
7247 (df_lr_bb_local_compute): Ditto.
7248 (df_ur_bb_local_compute): Ditto.
7249 (df_urec_bb_local_compute): Ditto.
7250 (df_chain_create_bb): Ditto.
7251 (df_ur_local_finalize): Removed entry.
7252 (df_urec_init): Ditto.
7253 (df_urec_local_finalize): Ditto.
7254 (df_ri_bb_compute): Added detection of last use of pseudos.
7255 * Makefile.in (df-scan.o): Updated dependencies.
7256 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7257 * config/mips/mips.c (mips_set_live_on_entry): Added.
7258 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7260 * dce.c (marked_insn_p): Added code to handle artifical defs.
7262 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7264 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7266 (_mm_cvtsi128_si64): Likewise.
7267 (_mm_cvtsd_si64): Likewise.
7268 (_mm_cvttsd_si64): Likewise.
7269 (_mm_cvtsi64_sd): Likewise.
7270 (_mm_cvtsi64_si128): Likewise.
7271 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7272 (_mm_cvtsi64_m64): Likewise.
7273 (_m_to_int64): Likewise.
7274 (_mm_cvtm64_si64): Likewise.
7275 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7276 (_mm_cvttss_si64): Likewise.
7277 (_mm_cvtsi64_ss): Likewise.
7278 (_mm_cvtss_f32): Likewise.
7280 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7282 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7283 for pragma redefine_extname.
7285 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7288 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7289 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7290 -mno-minimal-toc to previous content.
7291 (bispecs): Remove goal.
7292 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7293 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7294 compatibility aliases on powerpc-*-*gnu*.
7295 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7296 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7297 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7298 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7299 (ldblspecs): New goal.
7300 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7301 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7303 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7304 L_sf_to_tf or L_df_to_tf is defined.
7306 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7307 Alan Modra <amodra@bigpond.net.au>
7310 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7311 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7312 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7313 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7314 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7315 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7316 (rs6000_override_options): Initialize rs6000_ieeequad.
7317 Initialize TFmode format to ibm_extended_format if not
7319 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7321 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7322 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7323 (function_arg_advance): IBM long double passed in two FPRs, not
7325 (function_arg): IBM long double passed in FPRs.
7326 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7327 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7328 Only multireg GPR aligned.
7329 (rs6000_init_libfuncs): Enable IBM long double functions if not
7331 (rs6000_generate_compare): Use IBM long double compare if not
7333 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7334 (TARGET_IEEEQUAD): Define.
7335 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7336 not TARGET_IEEEQUAD.
7337 * config/rs6000/rs6000.md: Enable TFmode patterns if
7339 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7340 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7341 and -mlong-double-128 are incompatible.
7342 * doc/invoke.texi (-mabi): Collect options together. Add
7343 ibmlongdouble and ieeelongdouble.
7345 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7347 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7349 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7350 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7351 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7352 * rtl.h (rtunion_def): Remove rt_ptr.
7354 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7355 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7356 * config/i386/winnt.c (i386_pe_mark_dllexport)
7357 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7359 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7361 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7363 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7367 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7368 pthread_key_delete. From John David Anglin. gthrw-ify
7369 pthread_getunique_np only if it it's not a macro. Delete
7371 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7372 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7373 __gthread_objc_condition_signal, __gthread_key_delete): Add
7374 "__attribute__ ((__unused__))" to unused arguments.
7375 (__gthread_recursive_mutex_init_function): Add missing return.
7376 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7377 gthr-posix95.h: Use macro-based approach for name redirection
7378 on targets missing weakref.
7380 2006-01-26 Zack Weinberg <zackw@panix.com>
7382 * genconditions.c (write_header): In generated code, #ifdef out
7383 all includes and fake declarations, except includes of bconfig.h
7384 and system.h, unless GCC_VERSION >= 3001. Do not include
7385 gensupport.h in any case.
7386 (write_conditions): Generate a definition of struct c_test. Add
7387 a comment to the generated #endif.
7388 (write_one_condition): Escape backslashes in string too.
7389 (write_writer): Generated code must escape backslashes and quote
7390 marks (but not newlines) in the strings it writes.
7391 * Makefile.in (build/gencondmd.o): Update dependencies.
7393 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7396 * Makefile.in (insn-automata.o): Add header file dependencies.
7397 * genautomata.c: Add includes.
7399 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7402 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7404 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7406 * configure.ac: Expect target tools paths to be passed from the toplevel
7407 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7409 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7411 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7414 * c.opt (Wpointer-sign): Init to -1.
7415 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7416 OPT_pedantic, to 0 otherwise.
7417 * doc/invoke.texi: Update.
7419 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7421 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7422 constants provided by 80387 instructions in the destination mode.
7424 2006-01-26 Richard Guenther <rguenther@suse.de>
7425 Andrew Pinski <pinskia@physics.uc.edu>
7428 partial PR tree-opt/17064
7429 * tree-ssa-structalias.c (intra_create_variable_infos):
7430 Create heap variables for incoming parameters if
7431 flag_argument_noalias > 1.
7432 (find_what_p_points_to): Look through default defs of
7435 2006-01-26 Jeff Law <law@redhat.com>
7438 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7439 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7440 within the VR_RANGE, use the VR_RANGE as the result, not the
7442 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7443 bounds for the type.
7445 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7447 * tree-ssa-alias.c (maybe_create_global_var): Change
7448 subvar walking to an assertion that we don't have subvar'd variables.
7450 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7453 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7454 Use a new variable, inner. PARM_DECLs are always non-weak.
7456 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7458 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7461 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7463 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7465 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7467 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7468 (smax_insn, smin_insn, smax_0, smin_0): New.
7470 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7473 * config/cris/cris.c (cris_order_for_addsi3): New function.
7474 * config/cris/cris-protos.h: Prototype it.
7475 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7476 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7477 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7478 (split for "op.S1 [rx=rx+i],ry (swapped)")
7479 (split for "op(s|u).S1 [rx=rx+i],ry")
7480 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7481 Apply cris_order_for_addsi3 when generating addsi3 insns.
7483 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7485 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7486 (TREE_BLOCK): Add call to EXPR_CHECK.
7488 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7491 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7492 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7493 (dump_omp_clauses): ... here.
7494 (dump_generic_node): Handle OMP_CLAUSE.
7495 * tree.c (omp_clause_num_ops): New.
7496 (omp_clause_code_name): New.
7497 (tree_code_size): Handle OMP_CLAUSE.
7498 (tree_size): Likewise.
7499 (make_node): Document handling of OMP_CLAUSE.
7500 (tree_node_structure): Handle OMP_CLAUSE.
7501 (omp_clause_check_failed): New.
7502 (omp_clause_range_check_failed): New.
7503 (omp_clause_operand_check_failed): New.
7504 (build_omp_clause): New.
7505 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7506 * tree.h (enum omp_clause_code): Declare.
7507 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7508 (OMP_CLAUSE_RANGE_CHECK): Define.
7509 (OMP_CLAUSE_ELT_CHECK): Define.
7510 (omp_clause_check_failed): Declare.
7511 (omp_clause_operand_check_failed): Declare.
7512 (omp_clause_range_check_failed): Declare.
7513 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7514 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7515 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7516 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7517 (OMP_CLAUSE_IF_EXPR): Likewise.
7518 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7519 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7520 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7521 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7522 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7523 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7524 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7525 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7526 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7527 (OMP_CLAUSE_CODE): Define.
7528 (OMP_CLAUSE_SET_CODE): Define.
7529 (OMP_CLAUSE_CODE): Define.
7530 (OMP_CLAUSE_OPERAND): Define.
7531 (struct tree_omp_clause): Declare.
7532 (union tree_node): Add field 'omp_clause'.
7533 * treestruct.def (TS_OMP_CLAUSE): Define.
7534 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7535 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7536 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7537 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7538 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7539 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7540 (OMP_CLAUSE): Define.
7541 * print-tree.c (print_node): Handle OMP_CLAUSE.
7542 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7543 * c-typeck.c: Likewise.
7544 * gimplify.c: Likewise.
7545 * c-omp.c: Likewise.
7546 * tree-nested.c: Likewise.
7547 * tree-inline.c: Likewise.
7548 * c-parser.c: Likewise.
7549 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7552 2006-01-25 Roger Sayle <roger@eyesopen.com>
7554 PR rtl-optimization/25703
7555 * combine.c (try_combine): Handle zero_extract and strict_low_part
7556 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7558 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7560 * global.c: Fix comment typos.
7562 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7565 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7566 Use output_addr_const instead of assemble_name.
7568 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7570 * Makefile.in (sched-vis.o): Update dependencies.
7571 * haifa-sched.c (sched_finish): Clear current_sched_info.
7572 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7573 (dump_flow_info): Call it.
7574 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7576 * basic-block.h (dump_bb_info): Declare.
7577 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7578 option, and apply options only for dump files whose TDF_RTL,
7579 TDF_TREE, or TDF_IPA bits match.
7580 * rtl.h: Declare new functions exported from sched-vis.c.
7581 * sched-vis.c: Enable also if scheduling is not used.
7582 (print_value): Print the mode of registers if not inside scheduling.
7583 (print_insn): Make it work outside the scheduler. Beautify the output
7585 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7587 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7589 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7590 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7591 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7592 depending on the value of CONSTANT_POOL_ADDRESS_P.
7593 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7595 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7596 rather than SYMBOL_REF_DECL.
7597 (rtx_constant_pool): Remove const_rtx_sym_htab.
7598 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7599 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7600 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7601 Remove handling of const_rtx_sym_htab.
7602 (find_pool_constant): Delete.
7603 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7604 rather than find_pool_constant.
7605 (get_pool_constant_for_function): Delete.
7606 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7608 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7609 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7610 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7611 (SYMBOL_REF_CONSTANT): New macro.
7612 (get_pool_constant_for_function): Delete.
7613 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7614 rather than SYMBOL_REF_DECL.
7615 (i386_pe_mark_dllimport): Likewise.
7616 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7617 rather than SYMBOL_REF_DECL.
7618 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7619 (machopic_indirect_call_target): Likewise.
7621 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7623 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7625 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7627 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7629 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7631 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7633 2006-01-24 David Daney <ddaney@avtrex.com>
7636 * configure.ac (enable_tls): New enable option.
7637 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7638 * configure: Regenerate.
7639 * doc/install.texi (--enable-tls): Document new option.
7640 (--disable-tls): Ditto.
7642 2006-01-24 Richard Henderson <rth@redehat.com>
7644 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7645 * alias.c (true_dependence): Respect it.
7646 (canon_true_dependence, write_dependence_p): Likewise.
7647 * builtins.c (get_builtin_sync_mem): Set it.
7649 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7651 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7654 2006-01-24 DJ Delorie <dj@redhat.com>
7656 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7657 for storing constants in single-bit bitfields.
7659 2006-01-25 Ben Elliston <bje@au.ibm.com>
7661 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7663 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7666 * tree-ssa-pre.c (phi_translate): Return NULL
7667 for AGGREGATE_TYPE's.
7669 2006-01-24 Zack Weinberg <zackw@panix.com>
7671 * genautomata.c (process_state_for_insn_equiv_partition):
7672 Use xcalloc for insn_arcs_array.
7673 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7674 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7676 2006-01-24 Richard Henderson <rth@redhat.com>
7678 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7681 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7683 PR rtl-optimization/25890
7684 PR rtl-optimization/25905
7685 * combine.c (expand_compound_operation, expand_field_assignment):
7686 Fail if the bitfield's final position is out of bounds.
7688 2006-01-24 Ian Lance Taylor <ian@airs.com>
7691 * cgraphunit.c (cgraph_output_in_order): Don't clear
7692 cgraph_asm_nodes until after asm strings have been output.
7694 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7696 * fix-header.c (read_scan_file): Add new parameter imultilib when
7697 calling register_include_chains.
7699 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7701 * omp-low.c: Update documentation.
7703 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7704 Daniel Berlin <dberlin@dberlin.org>
7708 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7709 return from the function.
7711 2006-01-22 Zack Weinberg <zackw@panix.com>
7713 * rtl.def (match_code): Add second argument.
7714 * genpreds.c (write_extract_subexp): New function.
7715 (write_match_code): Add path argument. Use write_extract_subexp.
7716 (write_predicate_expr): Pass path to write_match_code.
7717 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7718 not perform a mode test.
7719 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7720 a subexpression does not constrain the top-level code set.
7721 * read-rtl.c (read_rtx_variadic): New function.
7722 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7723 * doc/md.texi: Document new notation.
7724 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7725 (cmpsi_operand): ... here, using new notation.
7727 2006-01-22 Zack Weinberg <zackw@panix.com>
7729 * varray.c: Remove GENERATOR_FILE #ifdefs.
7731 2006-01-22 Zack Weinberg <zackw@panix.com>
7733 * genautomata.c (output_reserved_units_table): Emit nothing if
7734 description->query_units_num is zero. Remove extra blank line.
7735 (output_cpu_unit_reservation_p): Short circuit
7736 if description->query_units_num is zero.
7738 2006-01-22 Zack Weinberg <zackw@panix.com>
7740 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7741 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7742 nor any of the random handful of variables that used to be necessary
7743 when this program was linked with rtlanal.o. Prune set of forward
7744 function declarations.
7745 (struct attr_desc): Remove static_p field.
7746 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7747 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7748 (attr_string): Do not read the character one past the length of
7750 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7751 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7752 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7753 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7754 (make_automaton_attrs): New.
7755 (main): Do not call into genautomata. Call local gen_bypass
7756 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7757 Remove special case for insn_alts.
7758 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7759 varray.h (leftover from previous change). Prune set of forward
7760 function declarations. Remove state_alts fields from all
7761 structures. Remove state_alts_table from struct automaton.
7762 Make everything except main static. Do not maintain num_dfa_decls.
7763 Do not maintain state_alts fields of various structures.
7764 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7765 (add_arc): Remove state_alts argument. All callers updated.
7766 (output_reserved_units_table): Emit #ifdef here...
7767 (output_tables): ...not here. Don't generate state_alts tables.
7768 (expand_automata): Don't generate attributes.
7769 (write_automata): Don't generate state_alts functions.
7770 (main): New function.
7771 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7772 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7773 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7774 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7775 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7776 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7777 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7778 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7780 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7781 * genattrtab.h: Delete file.
7782 * Makefile.in (OBJS-common): Add insn-automata.o.
7783 (insn-automata.o): New rule.
7784 (simple_generated_c): Add insn-automata.c.
7785 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7786 (genprogmd): Add automata.
7787 (build/genattrtab): Needs no extra objects nor libraries.
7788 (build/genautomata): Needs build/vec.o and -lm.
7790 2006-01-22 Zack Weinberg <zackw@panix.com>
7792 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7793 (output_dfa_max_issue_rate, locked_states_num): Delete.
7794 (struct automaton): Add locked_states field.
7795 (output_dead_lock_vect): Save number of locked states in
7796 automaton->locked_states. If it is zero, don't print anything.
7797 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7798 (output_internal_dead_lock_func): Only test the dead_lock_vect
7799 for automata that have locked states.
7800 (output_statistics): Always print the number of locked states for
7801 each automaton. Calculate total number of locked states here.
7802 (write_automata): Don't call output_dfa_max_issue_rate.
7803 * genattrtab.c: Define length_unit_log as a const variable.
7804 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7805 max_insn_queue_index const.
7806 * final.c (length_unit_log): Declare const.
7807 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7809 2006-01-22 Zack Weinberg <zackw@panix.com>
7811 * genautomata.c: Include vec.h, not varray.h.
7812 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7813 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7814 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7815 VEC_* macros operating on appropriately typed vectors, or to
7816 malloced arrays when the size is known in advance. Const-ify
7817 many char* variables and function arguments. No functional changes.
7818 * Makefile.in (build/varray.o): Delete rule.
7819 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7820 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7822 2006-01-22 Zack Weinberg <zackw@panix.com>
7824 * gensupport.c: Define get_insn_name and record_insn_name here.
7825 (read_md_rtx): Call record_insn_name as appropriate.
7826 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7827 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7828 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7830 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7831 (BUILD_VARRAY): Delete.
7832 (genprognormal): Rename genprogmd. Fold in all programs from
7833 genprognoprint; also attrtab.
7834 (build/genattrtab): Just mention genautomata.o and varray.o.
7835 Reorganize a bit, add comments to make the categories clearer.
7837 2006-01-22 Zack Weinberg <zackw@panix.com>
7839 * genconditions.c (condition_table, add_condition): Delete.
7840 (write_conditions): Don't emit n_insn_conditions nor
7841 insn_elision_unavailable. Issue the gcc version #ifdef here,
7842 inside the table, with no #else clause ...
7843 (write_header): ...not here.
7844 (write_writer): New function.
7845 (main): Don't initialize condition_table. Use add_c_test.
7847 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7848 files on the command line.
7849 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7850 Return -1 if there is no entry in the table, don't abort.
7851 (add_c_test, traverse_c_tests): New functions.
7852 * gensupport.h (insn_elision_unavailable, insn_conditions)
7853 (n_insn_conditions): Delete declarations.
7854 (add_c_test, traverse_c_tests): Declare.
7855 * read-rtl.c: Include gensupport.h.
7856 (read_conditions): New function.
7857 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7858 (read_rtx_1): If we get EOF when we were looking for an initial
7859 open paren, return 0. Call read_conditions when appropriate.
7860 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7861 dummy-conditions.o. Eliminate references to insn-conditions.o,
7862 or change them to build/gencondmd.o, as appropriate. Remove
7863 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7864 from $(simple_generated_c). For all files remaining in those
7865 two lists, add insn-conditions.md to the generator command line.
7866 Give insn-constants.h/s-constants their own rules. Add rules
7867 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7868 (build/read-rtl.o): Depend on gensupport.h.
7869 (genprognormal): Include preds.
7870 (genprogearly): Rename genprognoprint; only difference is now that
7871 they don't link with $(BUILD_PRINT).
7872 * dummy-conditions.c: Delete.
7874 2006-01-22 Zack Weinberg <zackw@panix.com>
7876 * genextract.c: Don't include insn-config.h. Do include vec.h.
7877 Declare vectors of int, char, and locstr.
7878 (locstr): New typedef.
7879 (struct extraction): Make all array fields into bare pointers.
7880 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7881 (insn_code_number): Delete.
7882 (accum_extract): New struct.
7883 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7884 (gen_insn): Take insn_code_number as an argument. Use an
7885 accum_extract structure instead of loading data directly into
7886 a struct extraction, and having to know how big it might get.
7887 (walk_rtx): Operate entirely on an accum_extract structure.
7888 (print_path): Avoid unnecessary use of printf.
7889 (print_header): New function, split out of main. Distinguish
7890 more carefully between an unrecognizable insn and an insn that
7891 has the code number of a define_expand.
7892 (main): Pass insn_code_number to gen_insn. Call print_header
7893 only after parsing. Avoid unnecessary use of printf.
7894 * Makefile.in (build/vec.o): New rule.
7895 (build/genextract): Depend on build/vec.o.
7896 (build/genextract.o): Don't depend on insn-config.h.
7898 2006-01-22 Zack Weinberg <zackw@panix.com>
7900 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7901 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7902 practical. Eliminate per-generator-program link rules.
7904 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7907 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7908 with a call expr to ...
7909 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7911 2006-01-23 Richard Guenther <rguenther@suse.de>
7913 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7914 before make_edge with conditional EDGE_TRUE_VALUE.
7916 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7917 Jan Hubicka <jh@suse.cz>
7918 Richard Guenther <rguenther@suse.de>
7920 PR rtl-optimization/25654
7921 * cfgexpand.c (aggregate_contains_union_type): New function.
7922 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7923 for structure variables that contain a union type.
7925 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7927 * gengtype.c (new_structure): Return the structure.
7928 (create_option): Add an extra "next" argument.
7929 (create_field): New function.
7930 (adjust_field_rtx_def): Use create_option and create_field.
7931 Remove a now-unnecessary call to find_structure.
7932 (adjust_field_tree_def): Likewise.
7933 (note_yacc_type): Remove an unnecessary call to find_structure.
7934 * gengtype.h (new_structure): Return the structure.
7935 (create_option): Add an extra argument.
7936 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7937 (option): Adjust calls to create_option.
7939 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7941 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7943 2006-01-22 Paul Brook <paul@codesourcery.com>
7944 Peter Barada <peter@the-baradas.com>
7946 * config/m68k/m68k.md: Add Coldfire FPU support.
7947 Define FP mode macro and associated attributes.
7948 Use it for float mode patterns.
7949 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7950 (LIBCALL_VALUE): Use m68k_libcall_value.
7951 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7952 (m68k_function_value): Ditto.
7953 (emit_move_sequence): Ditto.
7954 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7955 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7956 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7957 (MULTILIB_EXCEPTIONS): Ditto.
7958 * config/m68k/m68k.opt: Add mcfv4e.
7959 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7960 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7961 (m68k_output_function_prologue): Save ColdFire FPU registers.
7962 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7963 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7964 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7965 ColdFire FPU registers.
7966 (m68k_libcall_value, m68k_function_value): New functions.
7967 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7968 (LIBCALL_VALUE): Use m68k_libcall_value.
7969 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7970 (MASK_COLDFIRE): Add MASK_CFV4E.
7971 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7972 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7973 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7974 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7975 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7976 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7977 * doc/invoke.tex: Document -mcfv4e on m68k.
7979 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7981 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7984 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7987 * c-opts.c (c_common_handle_option): Don't include
7988 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7989 * doc/invoke.texi (C++ Dialect Options): Document that
7990 -Wnon-virtual-dtor is no longer included in -Wall.
7992 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7994 * gcov.c (print_version), gcov-dump.c (print_version),
7995 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7998 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8000 * df-scan.c (problem_SCAN): Added NULL reset function.
8001 (df_scan_reset_blocks): Added code to call reset block function
8002 (df_bb_refs_delete) Fixed comment.
8003 (df_insn_refs_delete): Made tolerant of deleting non existent info
8004 for dataflow problems that need to be reset.
8005 * df-core.c (df_set_blocks): Ditto.
8006 * df.h (struct df_problem): Added reset_fun.
8007 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8008 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8009 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8010 functions to clear out all references to def-use or use-def chains.
8012 2006-01-21 Ben Elliston <bje@au.ibm.com>
8014 * varasm.c (assemble_real): Initialise data array.
8016 2006-01-20 Paul Brook <paul@codesourcery.com>
8018 Merge from csl-arm-branch.
8019 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8020 * config/arm/arm.md (movdi): Force operands[1] to a register
8021 if we have a non-register source.
8022 (*arm_movdi, *movdf_soft_insn): Require that one of the
8023 operands be a register.
8024 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8025 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8027 2006-01-20 DJ Delorie <dj@redhat.com>
8029 * varasm.c (initialize_constant_valid_p): Allow pointers
8030 initialized from integer constants of lesser precision.
8031 (output_constant): Allow non-int-sized pointer modes to be
8032 initialized from integer constants.
8034 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8037 * cppdefault.h (struct default_include): Add multilib flag.
8038 * cppdefault.c (cpp_include_defaults): Set it.
8039 * c.opt (-imultilib): New option.
8040 * c-opts.c (imultilib): New.
8041 (c_common_handle_option): Handle -imultilib.
8042 (c_common_post_options): Likewise.
8043 * c-incpath.c (add_standard_paths, register_include_chains):
8045 * c-incpath.h (register_include_chains): Add extra parameter.
8046 * gcc.c (do_spec_1): Generate -imultilib option.
8047 (The Specs Language): Update %I description.
8048 (process_command): Update copyright notice.
8049 * doc/cppopts.texi (-imultilib): Document.
8050 * doc/invoke.texi (-imultilib): Include in option summary.
8051 (%I): Update specs documentation.
8053 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8055 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8057 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8059 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8062 2006-01-20 Richard Guenther <rguenther@suse.de>
8063 Steven Bosscher <stevenb.gcc@gmail.com>
8065 PR rtl-optimization/24626
8066 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8067 EDGE_TRUE_VALUE if in RTL mode.
8070 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8071 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8073 2006-01-20 Dirk Mueller <dmueller@suse.com>
8076 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8077 instead of a special NOP marker.
8078 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8079 NOP marker handling.
8080 * c-common.h (empty_body_warning): Add forward declaration.
8081 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8082 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8084 2006-01-20 Paul Brook <paul@codesourcery.com>
8086 * Makefile.in (lang_checks): Keep going if mkdir fails.
8088 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8090 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8091 be able to clean out basic block when not necessary.
8092 (df_scan_free): Fixed to properly delete information if df is
8093 unused before calling df_finish.
8094 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8095 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8097 (df_bb_refs_delete): New function.
8098 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8099 * df-core.c (df_set_blocks): Added code to properly clean out
8100 unused blocks if they are not part of the blocks to consider.
8101 Added additional null check.
8102 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8103 be able to clean out basic block when not necessary
8104 * df.h (df_free_bb_function): Ditto.
8105 (df_bb_refs_delete): New function.
8106 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8107 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8108 basic block parameter to be able to clean out basic block when not
8110 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8111 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8112 Fixed to properly delete information if df is unused before
8115 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8117 PR rtl-optimization/25799
8118 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8119 Corrected confluence operator to remove bits from op2 before oring
8120 with op1 rather than removing bits from op1.
8121 (df_ru_transfer_function): Corrected test on wrong bitmap which
8122 caused infinite loop. Both of these problems were introduced in
8123 the dataflow rewrite.
8125 2006-01-19 DJ Delorie <dj@redhat.com>
8127 * reload1.c (find_reload_regs): Note the details of reload
8128 failures in the dump file.
8129 (spill_failure): Likewise.
8131 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8133 * loop-iv.c: Include df.h and hashtab.h.
8134 (enum iv_grd_result): New enum.
8135 (DF_REF_IV, DF_REF_IV_SET): New macros.
8136 (struct biv_entry): New.
8137 (df, bivs): New global variables.
8138 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8139 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8141 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8142 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8143 analyzed_for_bivness_p, record_biv): New functions.
8144 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8145 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8146 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8148 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8150 (iv_number_of_iterations): Use new interface to iv analysis.
8151 * loop-unroll.c: Do not include varray.h.
8152 (analyze_iv_to_split_insn): Use new interface to iv
8154 * loop-unswitch.c (may_unswitch_on): Ditto.
8155 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8157 (df_bb_modify): Realloc tables to the new index.
8158 (df_find_use): New function.
8159 * df.h (df_find_use): Declare.
8160 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8162 * cfgloop.h (struct rtx_iv): Remove analysed field.
8163 (iv_get_reaching_def): Removed.
8164 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8165 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8166 (loop-iv.o): Add df.h and hashtab.h dependency.
8167 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8169 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8172 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8174 (__floatundisf, __floatundidf): Likewise.
8175 * libgcc2.h (IS_IBM_EXTENDED): Define.
8177 2006-01-19 DJ Delorie <dj@redhat.com>
8179 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8181 2006-01-19 Paul Brook <paul@codesourcery.com>
8183 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8184 as nothrow when unwinding tables are disabled.
8186 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8189 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8190 of bit-field" when in system header.
8192 2006-01-19 DJ Delorie <dj@redhat.com>
8194 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8195 the 16 bit shift limit of the m16c.
8197 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8200 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8201 * config/i386/i386.c (output_set_got): Output the label if we have one
8202 for the TARGET_DEEP_BRANCH_PREDICTION case.
8204 2006-01-19 Jan Hubicka <jh@suse.cz>
8205 H.J. Lu <hongjiu.lu@intel.com>
8206 Evandro Menezes <evandro.menezes@amd.com>
8208 * invoke.texi (generic): Document
8210 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8211 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8212 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8213 (x86_use_incdec, x86_pad_returns): New variables
8214 (TARGET_CPU_DEFAULT_generic): New constant
8215 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8216 (enum processor_type): Add generic32 and generic64.
8217 * i386.md (cpu attribute): Add generic32/generic64
8218 (movhi splitter): Behave sanely when both partial_reg_dependency and
8219 partial_reg_stall are set.
8220 (K8 splitters): Enable for generic as well.
8221 * predicates.md (incdec_operand): Use TARGET_INCDEC
8222 (aligned_operand): Avoid memory mismatch stalls.
8223 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8224 * ppro.md: Enable for generic32
8225 * i386.c (generic64_cost, generic32_cost): New.
8226 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8227 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8228 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8229 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8230 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8231 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8232 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8233 x86_accumulate_outgoing_args, x86_prologue_using_move,
8234 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8235 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8237 (x86_use_incdec, x86_pad_returns): New.
8238 (override_options): Add generic32 and generic64, translate "generic"
8239 to generic32/generic64 and "i686" to "generic32", refuse
8240 "generic32"/"generic64" as arch target.
8241 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8242 (ix86_reorg): Honor PAD_RETURNS.
8244 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8246 * tree-pretty-print.c (dump_generic_node): Handle
8247 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8248 * cgraph.c (cgraph_expand_queue): Rename from
8249 cgraph_analyze_queue. Update all users.
8250 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8251 cgraph_expand_queue.
8252 (cgraph_expand_all_functions): Likewise.
8253 (cgraph_finalize_pending_functions): Remove. Update callers.
8255 * tree.h (OMP_DIRECTIVE_P): Define.
8256 (OMP_PARALLEL_FN): Define.
8257 (OMP_PARALLEL_DATA_ARG): Define.
8258 (OMP_SECTIONS_SECTIONS): Define.
8259 * tree-pass.h (pass_expand_omp): Declare.
8260 * omp-low.c (struct omp_region): Declare.
8261 (struct omp_context): Remove fields 'parallel_type',
8262 'parallel_start_ix' and 'parallel_start_additional_args'.
8264 (struct omp_for_data): Rename from struct expand_omp_for_data.
8265 (omp_regions): New static variable.
8266 (root_omp_region): New static variable.
8267 (find_omp_clause): Make static.
8268 (is_in_combined_parallel_ctx): Remove.
8269 (is_combined_parallel): New.
8270 (extract_omp_for_data): Move earlier in the file.
8271 (workshare_safe_to_combine_p): New.
8272 (get_ws_args_for): New.
8273 (determine_parallel_type): Move earlier in the file.
8274 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8276 (omp_copy_decl): Likewise.
8277 (create_omp_child_function): Likewise.
8278 (lookup_omp_region): New.
8279 (dump_omp_region): New.
8280 (debug_omp_region): New.
8281 (debug_all_omp_regions): New.
8282 (new_omp_region): New.
8283 (scan_omp_parallel): If parallel_nesting_level > 1, the
8284 directive is nested within another parallel directive.
8285 Set OMP_PARALLEL_FN.
8286 (scan_omp_for): Do not try to handle combined parallel+for
8288 Remove FIXME comment.
8289 (scan_omp_nested): Remove.
8290 (scan_omp_1): Do not call scan_omp_nested when
8291 parallel_nesting_level is > 1.
8292 Do not change the DECL_CONTEXT of local variables found.
8293 (lookup_decl_in_outer_ctx): New.
8294 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8295 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8296 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8297 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8298 If CTX is nested, lookup VAR in the outer context when
8299 building copy assignment.
8300 (lower_send_clauses): Rename from expand_send_clauses.
8301 If CTX is nested, lookup VAR in the outer context when
8302 building copy assignments.
8303 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8304 If CTX is nested, lookup VAR in the outer context when
8305 building copy assignments.
8306 (expand_parallel_call): Rename from build_parallel_call.
8307 Handle combined parallel+workshare cases.
8308 Re-implement to emit code into the CFG.
8310 (expand_omp_parallel): Re-implement to emit code into the CFG.
8311 Call move_sese_region_to_fn to outline the sub-graph
8312 containing the parallel region.
8313 (expand_omp_for_1): Remove.
8314 (expand_omp_for_generic): Re-implement to emit code into the
8316 (expand_omp_for_static_nochunk): Likewise.
8317 (expand_omp_for_static_chunk): Likewise.
8318 (expand_omp_for): Likewise.
8319 (expand_omp_sections): Likewise.
8320 (remove_exit_barriers): New.
8321 (expand_omp_synch): New.
8323 (build_omp_regions_1): New.
8324 (build_omp_regions): New.
8325 (execute_expand_omp): New.
8326 (gate_expand_omp): New.
8327 (pass_expand_omp): Define.
8328 (lower_omp_sections): Rename from expand_omp_sections.
8329 Set OMP_SECTIONS_SECTIONS.
8330 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8331 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8332 (lower_omp_single): Rename from expand_omp_simple.
8333 (lower_omp_master): Rename from expand_omp_master.
8334 (lower_omp_ordered): Rename from expand_omp_ordered.
8335 (lower_omp_critical): Rename from expand_omp_critical.
8336 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8337 (lower_omp_for): Re-implement.
8338 (lower_omp_parallel): Re-implement.
8339 (lower_regimplify): Rename from expand_regimplify.
8340 (lower_omp_1): Rename from expand_omp_1.
8341 If there are syntax errors in the program, replace every
8342 OpenMP directive with NOP.
8343 Call lower_omp_* instead of expand_omp_*.
8344 (lower_omp): Rename from expand_omp.
8346 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8347 * tree-gimple.h (enum omp_parallel_type): Remove.
8348 (gimple_boolify): Declare extern.
8349 (find_omp_clause, determine_parallel_type): Remove.
8351 * gimple-low.c (lower_omp_directive): New.
8352 (lower_stmt): Call it.
8353 (record_vars_into): Move from ...
8354 (record_vars): ... here.
8355 Call record_vars_into with current_function_decl.
8357 * gimplify.c (struct gimplify_ctx): Remove fields
8358 combined_pre_p and combined_ctxp. Update users.
8359 (get_formal_tmp_var): Add documentation.
8360 (gimple_boolify): Make extern.
8361 (gimplify_expr_in_ctx): Remove. Update callers.
8362 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8363 will always be a BIND_EXPR.
8364 (gimplify_expr): Handle OMP_RETURN_EXPR.
8365 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8366 (OMP_PARALLEL): Add 3 operands.
8367 (OMP_SECTIONS): Add 1 operand.
8368 (OMP_RETURN_EXPR): Define.
8370 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8371 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8372 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8373 creating a circular free list.
8374 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8376 * tree-flow.h (move_sese_region_to_fn): Declare.
8377 (record_vars_into): Declare.
8378 * tree-cfg.c (make_omp_sections_edges): New.
8379 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8380 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8381 OMP_SECTIONS and OMP_SECTION.
8382 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8383 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8384 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8385 (gather_blocks_in_sese_region): New.
8386 (struct move_stmt_d): Declare.
8388 (move_block_to_fn): New.
8389 (move_sese_region_to_fn): New.
8391 * passes.c (init_optimization_passes): Schedule
8392 pass_expand_omp after pass_init_datastructures.
8394 * tree-ssa-operands.c (get_expr_operands): Handle
8395 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8396 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8398 2006-01-19 Jeff Law <law@redhat.com>
8400 * tree-vrp.c (extract_range_from_assert): Refine the result range
8401 if the variable referenced by the ASSERT_EXPR has a range and
8402 either the tentative result range or the previous range is a
8405 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8407 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8409 2006-01-19 Jan Hubicka <jh@suse.cz>
8411 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8413 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8415 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8416 (expand_compound_operation, expand_field_assignment): Fail if the
8417 bit lengths of an extract operation are out of range.
8418 (make_extraction): Compute wanted_inner_mode based on the position
8419 and length of the extraction. Make it extraction_mode for non-constant
8420 positions, and do not modify offset in that case. When generating a
8421 new MEM, use a mode that can hold the extraction while keeping correct
8422 alignment. Remove code that supported MEMs wrapped by USEs.
8423 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8425 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8427 * config/s390/s390.md ("Y", "y"): New mode attribute.
8428 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8429 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8430 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8431 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8432 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8433 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8434 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8435 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8436 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8437 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8438 "addsi3", "subsi3"): Insn patterns removed.
8439 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8440 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8441 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8442 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8443 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8444 "*sub<mode>3_cconly2"): New insn patterns.
8445 ("addsi3", "subsi3"): New expanders.
8447 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8449 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8450 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8451 existing STMT_VINFO_VECTYPE if available.
8452 (vect_mark_relevant): Add special handling for stmts that are
8453 marked as STMT_VINFO_IN_PATTERN_P.
8454 (vect_analyze_loop): Call vect_pattern_recog.
8455 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8456 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8458 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8459 (vect_recog_func_ptr): New function-pointer type.
8460 * tree-vect-patterns.c: New file.
8461 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8462 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8463 (vect_pattern_recog_1): New functions.
8464 (vect_pattern_recog_funcs): New array of function pointers.
8466 * tree-vectorizer.h (ternary_op): New enum value.
8467 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8468 declaration. Revised documentation. Removed redundant dump prints.
8469 Removed redundant argument. Added support for reduction patterns.
8470 (vectorizable_reduction): Added support for reduction patterns.
8471 (vect_transform_stmt): Added support for patterns.
8473 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8474 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8475 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8476 (expand_widen_pattern_expr): New function.
8477 (init_optabs): Initialize new optabs udot_prod_optab,
8479 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8480 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8481 (expand_widen_pattern_expr): New function declaration.
8482 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8484 * tree-inline.c (estimate_num_insns_1): Added cases for new
8485 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8486 * tree-pretty-print.c (dump_generic_node): Likewise.
8487 (op_prio): Likewise.
8488 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8489 * tree-ssa-operands.c (get_expr_operands): Added case for
8491 * tree-vect-patterns.c (widened_name_p): New function.
8492 (vect_recog_dot_prod_pattern): Added function implementation.
8493 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8494 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8495 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8496 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8498 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8499 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8500 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8501 (init_optabs): Initialize new optabs widen_ssum_optab,
8503 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8504 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8505 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8506 use instead of type of def.
8507 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8508 function implementation.
8509 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8510 widen_ssumv8hi): New.
8512 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8515 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8518 * c-decl.c (add_flexible_array_elts_to_size): New function.
8519 (finish_decl): Use it.
8521 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8523 * diagnostic.h: Include options.h.
8524 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8525 dependancies for diagnostic.h.
8526 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8528 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8530 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8531 (ssa_ro_call_cache_valid): Ditto.
8532 * tree-ssa-alias.c (sort_tags_by_id): New function.
8533 (init_transitive_clobber_worklist): Ditto.
8534 (add_to_worklist): Ditto.
8535 (mark_aliases_call_clobbered): Ditto.
8536 (compute_tag_properties): Ditto.
8537 (set_initial_properties): Ditto.
8538 (compute_call_clobbered): Ditto.
8539 (compute_may_aliases): Call compute_call_clobbered and grouping.
8540 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8541 (compute_flow_insensitive_aliasing): Grouping now happens in our
8543 (setup_pointers_and_addressables): Remove clobbering related code.
8544 (add_may_alias): Ditto.
8545 (replace_may_alias): Ditto.
8546 (get_nmt_for): Ditto.
8547 (create_global_var):
8548 (is_escape_site): Return an escape_type enumeration.
8549 * tree-flow-inline.h (is_call_clobbered): Global var does not
8550 imply call clobbered.
8551 (mark_call_clobbered): Take a reason for marking this. Remove
8552 marking of globalness, and cache invalidation.
8553 (clear_call_clobbered): Remove cache invalidation code.
8554 * tree-dfa.c (dump_variable): If details is on, dump the reason
8556 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8558 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8559 (struct var_ann_d): Ditto.
8560 (enum escape_type): New.
8561 (mark_call_clobbered): Adjust prototype.
8562 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8563 are never call clobbered.
8564 Record reasons for escaping.
8565 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8566 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8567 (ssa_ro_call_cache_valid): Ditto.
8568 (clobbered_v_may_defs): Ditto.
8569 (clobbered_vuses): Ditto.
8570 (ro_call_vuses): Ditto.
8571 (clobber_stats): New.
8572 (init_ssa_operands): Zero out clobber stats.
8573 (fini_ssa_operands): Print out clobber stats.
8574 (get_call_expr_operands): Pass callee fndecl to
8576 (add_call_clobber_ops): Remove use of cache.
8577 Add use of PURE_CONST information.
8578 (add_call_read_ops): Remove use of cache.
8579 Add use of static not_read information.
8581 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8583 Introduce TLS descriptors for i386 and x86_64.
8584 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8585 (TARGET_ANY_GNU_TLS): New macro.
8586 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8587 (struct machine_function): Add tls_descriptor_call_expanded_p.
8588 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8589 (ix86_current_function_calls_tls_descriptor): Likewise.
8590 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8591 (override_options): Introduce gnu2 tls dialect.
8592 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8594 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8596 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8597 (ix86_init_machine_status): Initialize new field.
8598 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8599 (ix86_tls_module_base): New.
8600 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8601 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8602 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8603 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8604 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8605 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8606 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8607 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8608 * config/i386/predicates.md (tls_modbase_operand): New.
8609 (tp_or_register_operand): New.
8611 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8613 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8614 (look_for_address_of): Ditto.
8615 (ipa_init): Walk the function decls.
8616 (static_execute): Don't set readonly on FUNCTION_DECL's.
8618 2006-01-18 Roger Sayle <roger@eyesopen.com>
8620 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8621 for shifts where the source and destination registers are different.
8623 2006-01-18 Paul Brook <paul@codesourcery.com>
8625 Merge from csl-arm-branch.
8626 2005-03-14 Julian Brown <julian@codesourcery.com>
8627 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8628 (aeabi_llsl): Likewise.
8629 (ashrdi3): Likewise.
8630 (aeabi_lasr): Likewise.
8631 (lshrdi3): Likewise.
8632 (aeabi_llsr): Likewise.
8633 2005-03-10 Julian Brown <julian@codesourcery.com>
8634 * config.gcc: Disable shared libgcc for SymbianOS.
8635 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8637 2006-01-18 DJ Delorie <dj@redhat.com>
8639 * c-pragma.c (handle_pragma_diagnostic): New.
8640 (init_pragma): Register it.
8641 * doc/extend.texi: Document it.
8643 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8644 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8645 (diagnostic_context): Add classify_diagnostic[].
8646 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8647 as errors if they're overridden to DK_WARNING.
8648 (diagnostic_initialize): Initialize classify_diagnostic[].
8649 (diagnostic_set_kind_override): New.
8650 (diagnostic_report_diagnostic): Check for kind changes.
8651 * opts.c (common_handle_option): Take lang_mask. Update callers.
8653 * common.opt (Werror=): New.
8654 * doc/invoke.texi: Document -Werror=*
8656 2006-01-18 Jeff Law <law@redhat.com>
8658 * tree-vrp.c (test_for_singularity): Correct test for new
8659 min limit. Use operand_equal_p rather than pointer equality
8660 for testing if new min/max values are equal.
8662 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8663 using range information until after propagation and folding.
8665 2006-01-18 Richard Henderson <rth@redhat.com>
8666 Aldy Hernandez <aldyh@redhat.com>
8667 Jakub Jelinek <jakub@redhat.com>
8668 Diego Novillo <dnovillo@redhat.com>
8670 * omp-low.c: New file.
8671 * c-omp.c: New file.
8673 2006-01-18 Richard Henderson <rth@redhat.com>
8674 Jakub Jelinek <jakub@redhat.com>
8675 Diego Novillo <dnovillo@redhat.com>
8677 * doc/invoke.texi: Document -fopenmp.
8678 * tree-dump.h (debug_function): Declare.
8679 * hooks.c (hook_bool_tree_bool_false): New function.
8680 (hook_tree_tree_null): Remove.
8681 (hook_tree_tree_tree_null): New.
8682 * hooks.h: Update to match.
8683 * tree-pretty-print.c (debug_tree_chain): New.
8684 (print_generic_expr): Handle TDF_CHAIN.
8685 (dump_generic_node): Handle BLOCK.
8686 Do not abort with incomplete SWITCH_EXPRs.
8687 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8688 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8689 print space after directive name.
8690 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8691 Handle OMP_MASTER and OMP_ORDERED.
8692 Handle printing of OMP_BODY just in one place, goto
8693 dump_omp_body in the rest of OMP_* nodes that have
8695 Don't handle clause nodes here. Update omp statements to
8696 use dump_omp_clauses.
8697 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8698 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8699 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8700 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8701 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8702 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8703 Adjust output for GOMP_PARALLEL.
8704 (dump_omp_clauses): New.
8705 (print_declaration): Dump DECL_VALUE_EXPR.
8706 (op_symbol_1): Split out of op_symbol.
8707 (dumping_stmts): Remove. Update all users.
8708 * cgraph.c (cgraph_analyze_queue): New.
8709 (cgraph_add_new_function): New.
8710 * cgraph.h (cgraph_analyze_queue): Declare.
8711 (cgraph_add_new_function): Declare.
8712 (cgraph_lower_function): Remove.
8713 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8714 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8715 and TYPE_P nodes in its default clause.
8716 (empty_body_p): New.
8717 (tree_range_check_failed): New.
8719 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8720 OMP_CLAUSE_REDUCTION_MERGE,
8721 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8722 OMP_CLAUSE_PRIVATE_DEBUG,
8723 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8724 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8725 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8726 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8727 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8728 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8729 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8730 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8731 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8732 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8733 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8734 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8735 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8736 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8737 (TREE_RANGE_CHECK): New.
8738 (empty_body_p): Declare.
8739 (enum omp_clause_default_kind): New.
8740 (build_string_literal): Declare.
8741 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8742 (build5_stat, build5): Declare.
8743 * tree-pass.h (TDF_CHAIN): Define.
8744 * tree-pass.h (PROP_gimple_lomp): Define.
8745 (pass_lower_omp): Declare.
8746 * diagnostic.h (debug_tree_chain): Declare.
8747 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8749 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8750 * builtins.c (build_string_literal): Make extern.
8751 * gcc.c (include_spec_function): New.
8752 (static_spec_functions): Add it.
8753 (main): Move load of libgomp.spec ...
8754 (LINK_COMMAND_SPEC): ... here.
8755 (link_gomp_spec): New.
8756 (static_specs): Include it.
8757 (LINK_COMMAND_SPEC): Add link_gomp.
8758 (GOMP_SELF_SPECS): New.
8759 (driver_self_specs): Include it.
8760 (switch_matches): Don't mark inline.
8761 (main): Load libgomp.spec.
8762 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8763 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8764 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8765 * tree-gimple.h (enum omp_parallel): Declare.
8766 (determine_parallel_type): Declare.
8767 (omp_firstprivatize_variable): Declare.
8768 (omp_reduction_init): Declare.
8769 (diagnose_omp_structured_block_errors): Declare.
8770 (struct walk_stmt_info): Add want_return_expr.
8771 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8772 (find_omp_clause): Declare.
8773 (insert_field_into_struct): Declare.
8774 (struct walk_stmt_info): Move from tree-nested.c
8775 (walk_stmts): Declare.
8776 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8778 * cgraphunit.c (cgraph_lower_function): Make static.
8779 (cgraph_finalize_pending_functions): New.
8780 (cgraph_finalize_function): Call it.
8781 (cgraph_finalize_compilation_unit): Likewise.
8782 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8783 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8784 (BT_FN_UINT_UINT): New.
8785 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8786 DEF_FUNCTION_TYPE_VAR_4): Document.
8787 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8788 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8789 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8790 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8791 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8792 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8793 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8794 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8795 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8796 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8797 into separate files.
8798 (DEF_GOMP_BUILTIN): New.
8799 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8800 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8801 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8802 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8803 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8804 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8805 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8806 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8807 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8808 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8809 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8810 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8811 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8812 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8813 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8814 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8815 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8816 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8817 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8818 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8819 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8820 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8821 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8822 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8823 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8824 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8825 * sync-builtins.def: New file, moved from builtins.def.
8826 * omp-builtins.def: New file, moved from builtins.def.
8827 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8828 * gimple-low.c (lower_function_body): Clear data.
8829 (lower_stmt): Do not handle COMPOUND_EXPR.
8830 Remove call to print_node_brief.
8831 * c-tree.h (c_finish_omp_clauses): New prototype.
8832 (C_DECL_THREADPRIVATE_P): Define.
8833 (lookup_name_no_remap, c_omp_remap_private): Remove
8834 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8835 (check_for_loop_decls): Update decl.
8836 (lookup_name_no_remap, c_omp_remap_private): Declare.
8837 (build_indirect_ref, build_modify_expr, pushdecl,
8838 pushdecl_top_level): Move to c-common.h.
8839 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8840 before the switch, but just in the 2 places that need it.
8841 * c-decl.c (diagnose_mismatched_decls): Do not check for
8842 mismatched thread-local attributes when OLDDECL is marked
8843 threadprivate and NEWDECL has no thread-local attributes.
8844 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8845 (c_gimple_diagnostics_recursively): Rename from
8846 c_warn_unused_result_recursively. Invoke
8847 diagnose_omp_structured_block_errors.
8848 (check_for_loop_decls): Return a singular decl found.
8849 * langhooks.c (lhd_omp_predetermined_sharing): Return
8850 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8851 (lhd_omp_firstprivatize_type_sizes): New.
8852 (lhd_omp_assignment): New.
8853 (lhd_omp_predetermined_sharing): New.
8854 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8855 (struct lang_hooks_for_types): Add
8856 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8857 omp_predetermined_sharing, omp_disregard_value_expr,
8858 omp_private_debug_clause, omp_clause_default_ctor,
8859 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8860 (c_finish_omp_clauses): New.
8861 (c_finish_bc_stmt): Diagnose break within omp for.
8862 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8863 (build_unary_op): Return error_mark after reporting
8865 (build_modify_expr): Likewise.
8866 * gimplify.c: Include optabs.h and pointer-set.h.
8867 (enum gimplify_omp_var_data): Declare.
8868 (struct gimplify_omp_ctx): Declare.
8869 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8871 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8872 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8873 (splay_tree_compare_decl_uid): New.
8874 (new_omp_context): New.
8875 (delete_omp_context): New.
8876 (gimple_add_tmp_var): Call omp_add_variable.
8877 (gimplify_bind_expr): Likewise.
8878 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8879 true, disregard DECL_VALUE_EXPR on the decl if any.
8880 (gimplify_expr_in_ctx): New.
8881 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8882 omp_add_variable, omp_notice_variable, omp_is_private
8883 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8884 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8885 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8886 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8887 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8888 gimplify_omp_atomic): New.
8889 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8890 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8891 OMP_CRITICAL and OMP_ATOMIC.
8892 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8893 * c-pragma.h (enum pragma_kind): Add
8894 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8895 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8896 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8897 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8898 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8899 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8900 PRAGMA_OMP_THREADPRIVATE.
8901 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8902 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8903 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8904 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8905 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8906 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8907 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8908 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8909 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8910 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8911 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8912 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8913 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8915 (struct nesting_info): Add field_map,
8916 suppress_expansion, debug_var_chain.
8917 (create_nesting_tree): Initialize them.
8918 (lookup_field_for_decl): Use field_map.
8919 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8920 (convert_local_omp_clauses): New.
8921 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8922 (walk_body): Split out of walk_function.
8923 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8924 (convert_nonlocal_reference): Handle omp statements.
8925 (convert_local_reference): Likewise.
8926 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8927 (unnest_nesting_tree): New.
8928 (lower_nested_functions): Call it.
8929 (insert_field_into_struct): Make extern.
8930 (struct walk_stmt_info): Move to tree-gimple.h.
8931 (walk_stmts): Make extern.
8932 * omp-builtins.def: New file.
8933 * tree-iterator.c (expr_only): Clarify comment.
8934 * c-common.h (pushdecl_top_level, pushdecl,
8935 build_modify_expr, build_indirect_ref,
8936 c_finish_omp_master, c_finish_omp_critical,
8937 c_finish_omp_ordered, c_finish_omp_barrier,
8938 c_finish_omp_atomic, c_finish_omp_flush,
8939 c_finish_omp_for, c_split_parallel_clauses,
8940 omp_clause_default_kind, c_omp_sharing_predetermined,
8941 c_omp_remap_decl): Declare.
8942 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8943 (OBJS-common): Add omp-low.o.
8944 (c-omp.o, omp-low.o): Add.
8945 (gimplify.o): Add dependency on $(OPTABS_H).
8946 (GTFILES): Add omp-low.c.
8947 (gt-stringpool.h): Add.
8948 * tree-cfg.c (set_bb_for_stmt): Do not update the
8949 block-to-labels map if we are currently expanding to RTL.
8950 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8952 Handle IDENTIFIER_NODE.
8953 (tree_verify_flow_info): Do not ICE when emitting error
8954 messages about invalid labels.
8955 (dump_function_to_file): Reset CFUN before emitting the body
8957 (debug_function): New.
8958 * passes.c (init_optimization_passes): Schedule
8960 * langhooks-def.h (lhd_omp_predetermined_sharing,
8961 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8963 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8964 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8965 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8966 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8967 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8968 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8969 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8970 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8971 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8972 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8973 (LANG_HOOK_DECLS): Use them.
8975 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8976 Richard Henderson <rth@redhat.com>
8977 Jakub Jelinek <jakub@redhat.com>
8978 Diego Novillo <dnovillo@redhat.com>
8980 * c-parser.c (pragma_omp_clause): Define.
8981 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8982 (c_parser_compound_statement): Likewise.
8983 (c_parser_statement): Likewise.
8984 (c_parser_pragma): Handle omp pragmas.
8985 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8986 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8987 (c_parser_omp_clause_name, check_no_duplicate_clause,
8988 c_parser_omp_variable_list,
8989 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8990 c_parser_omp_clause_copyprivate,
8991 c_parser_omp_clause_default,
8992 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8993 c_parser_omp_clause_lastprivate,
8994 c_parser_omp_clause_nowait,
8995 c_parser_omp_clause_num_threads,
8996 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8997 c_parser_omp_clause_reduction,
8998 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8999 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9000 c_parser_omp_atomic, c_parser_omp_barrier,
9001 c_parser_omp_critical, c_parser_omp_flush,
9002 c_parser_omp_for_loop, c_parser_omp_for,
9003 c_parser_omp_master, c_parser_omp_ordered,
9004 c_parser_omp_sections_scope, c_parser_omp_sections,
9005 c_parser_omp_parallel, c_parser_omp_single,
9006 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9007 * c-pragma.c (init_pragma): Do omp pragma registration here.
9008 * c.opt (fopenmp): New flag.
9010 2006-01-18 Eric Christopher <echristo@apple.com>
9012 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9013 * config/darwin.h (GOMP_SELF_SPECS): Define.
9015 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9017 * rtl.h: Remove the prototype for reg_alloc.
9019 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9022 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9023 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9024 sjlj and dwarf2 exception handling.
9025 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9026 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9027 * pa/pa.c (function_value): Treat complex and vector types as
9029 (function_arg): Likewise. Only pass scalar floats in the floating
9030 point argument registers.
9031 * pa/t-slibgcc-dwarf-ver: New file.
9032 * pa/t-slibgcc-sjlj-ver: New file.
9033 * pa/t-slibgcc-elf-ver: Delete file.
9035 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9037 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9038 unlikely_test_section_p test.
9040 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9042 * mode-switching.c (optimize_mode_switching): Make it static.
9043 * basic-block.h: Remove the prototype for
9044 optimize_mode_switching.
9046 * modulo-sched.c (sms_schedule): Make it static.
9047 * rtl.h: Remove the prototype for sms_schedule.
9049 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9050 * rtl.h: Remove the prototype for gcse_after_reload_main.
9052 * reg-stack.c (reg_to_stack): Make it static.
9053 * rtl.h: Remove the prototype for reg_to_stack.
9055 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9057 * rtl.h: Remove the prototypes for regrename_optimize and
9058 copyprop_hardreg_forward.
9060 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9062 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9063 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9064 Test against the appropriate null constant for the mode.
9065 If 'fixup_overlap' is true, swap the operands if they overlap.
9066 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9067 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9068 alpha_split_tmode_pair and adjust for above change.
9069 * config/alpha/alpha.md (movtf_internal): Adjust call to
9070 alpha_split_tfmode_pair and rely on it to swap the operands.
9071 (movti_internal): New insn and post-reload splitter.
9072 (movti): New expander.
9074 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9076 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9079 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9081 * rtlanal.c (global_reg_mentioned_p_1,
9082 global_reg_mentioned_p): Remove.
9083 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9085 * flow.c (initialize_uninitialized_subregs): Make it static.
9086 * rtl.h: Remove the prototype for
9087 initialize_uninitialized_subregs.
9089 * function.c (instantiate_virtual_regs): Make it static.
9090 * function.h: Remove the prototype for
9091 instantiate_virtual_regs.
9093 * regmove.c (regmove_optimize, combine_stack_adjustments):
9095 * rtl.h: Remove the prototypes for regmove_optimize and
9096 combine_stack_adjustments.
9098 2006-01-17 Roger Sayle <roger@eyesopen.com>
9100 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9101 (size_cost): Encode costs in bytes so that a reg-reg addition is
9102 equivalent to COSTS_N_INSNS(1).
9103 (override_options): Use the size_cost.branch_cost as the default
9104 ix86_branch_cost when optimizing for size.
9106 2006-01-18 Ben Elliston <bje@au.ibm.com>
9108 * Makefile.in (D32PBIT_FUNCS): New.
9109 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9110 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9111 D64PBIT_FUNCS and D128PBIT_FUNCS.
9112 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9113 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9115 (decnumber_dep): Define.
9116 * doc/libgcc.texi (Decimal float library routines): New node.
9117 * config/dfp-bit.h, config/dfp-bit.c: New files.
9119 2006-01-18 Ben Elliston <bje@au.ibm.com>
9121 * expr.c (emit_move_change_mode): Always adjust addresses, not
9122 just during reload. Copy replacements only during reload.
9123 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9124 emit_move_via_integer.
9126 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9128 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9129 instead of $(srcdir) and ${srcdir}.
9131 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9135 * arm.h (struct machine_function): Add pic_reg.
9136 * arm.c (arm_pic_register): Make unsigned.
9137 (arm_override_options): Only set arm_pic_register if
9138 TARGET_SINGLE_PIC_BASE.
9139 (use_return_insn): Only test for a pic register if it is fixed.
9140 (arm_compute_save_reg0_reg12_mask): Likewise.
9141 (thumb_compute_save_reg_mask): Likewise.
9142 (legitimate_pic_operand): Factor out some known invariants.
9143 (legitimize_pic_address): If we don't have a fixed pic register,
9144 then set up a pseudo in the function entry sequence. Handle the
9145 pic base being in a pseudo.
9146 (arm_load_pic_register): Handle the pic register being in a pseudo.
9147 (arm_expand_prologue): Only set up the pic register if it is fixed.
9148 (thumb_expand_prologue): Likewise.
9149 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9150 (pic_load_addr_based_insn): Likewise.
9151 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9154 2006-01-18 Ben Elliston <bje@au.ibm.com>
9156 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9157 decimal float modes for all floating point registers.
9159 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9160 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9162 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9165 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9166 even when the pointer is not NULL.
9168 2006-01-16 Ian Lance Taylor <ian@airs.com>
9170 * common.opt (ftoplevel-reorder): New option.
9171 * cgraph.c (cgraph_asm_nodes): New global variable.
9172 (cgraph_asm_last_node): New static variable.
9173 (cgraph_order): New global variable.
9174 (cgraph_create_node): Set new order field.
9175 (cgraph_varpool_node): Likewise.
9176 (decide_is_variable_needed): Return true if not
9177 flag_toplevel_reorder.
9178 (cgraph_add_asm_node): New function.
9179 * cgraph.h (struct cgraph_node): Add order field.
9180 (struct cgraph_varpool_node): Add order field.
9181 (struct cgraph_asm_node): Define.
9182 (cgraph_asm_nodes, cgraph_order): Declare.
9183 (cgraph_add_asm_node): Declare.
9184 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9186 (cgraph_varpool_assemble_pending_decls): Call it.
9187 (cgraph_output_pending_asms): New static function.
9188 (cgraph_finalize_compilation_unit): Call it.
9189 (struct cgraph_order_sort): Define.
9190 (cgraph_output_in_order): New static function.
9191 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9192 !flag_toplevel_reorder case.
9193 * c-parser.c: Include "cgraph.h".
9194 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9196 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9197 than -fno-unit-at-a-time.
9198 * doc/invoke.texi (Option Summary): Mention
9199 -fno-toplevel-reorder.
9200 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9201 -funit-at-a-time documentation.
9203 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9204 Kazu Hirata <kazu@codesourcery.com>
9206 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9208 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9210 * Makefile.in (FUNCTION_H): New. Use it instead of
9211 function.h throughout the file.
9212 * function.h: Include tree.h.
9214 2006-01-17 Ben Elliston <bje@au.ibm.com>
9216 * recog.c: Separate some functions with whitespace.
9218 2006-01-16 Richard Henderson <rth@redhat.com>
9220 Merge from gomp branch:
9221 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9222 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9223 and rename from struct inline_data. Rename callee* to dst*;
9224 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9225 transform_new_cfg, transform_return_to_modify, and
9226 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9228 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9229 (copy_decl_for_dup): Remove.
9230 * tree-inline.c (struct inline_data): Move to header.
9231 (insert_decl_map): Export.
9232 (remap_decl): Update for member name changes. Use copy_decl hook.
9233 Allow for replacement to be a non-decl. Remove dead code.
9234 (remap_type_1): Check for existing mapping.
9235 (remap_type): Export.
9236 (remap_decls): Update for member name changes.
9237 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9238 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9239 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9240 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9241 (tree_function_versioning, build_duplicate_type): Likewise.
9242 (copy_body_r): Likewise. Export.
9243 (copy_decl_for_dup): Split into ...
9244 (copy_decl_for_dup_finish, copy_decl_to_var,
9245 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9246 (replace_ref_tree, inlining_p): Remove.
9248 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9250 * ifcvt.c (if_convert): Make it static.
9251 * rtl.h: Remove the prototype for if_convert.
9253 * local-alloc.c (local_alloc): Make it static.
9254 * rtl.h: Remove the prototype for local_alloc.
9256 * loop.c (loop_optimize): Make it static.
9257 * cfgloop.h: Remove the prototype for loop_optimize.
9260 2006-01-16 DJ Delorie <dj@redhat.com>
9262 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9265 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9267 * pa.md: Disparage copies between general and floating-point registers
9268 in 32-bit move patterns.
9270 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9273 * Makefile.in (check-%): Depend on site.exp instead of
9274 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9277 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9279 * global.c (global_alloc): Make it static.
9280 * rtl.h: Remove the prototype for global_alloc.
9282 2006-01-16 Richard Guenther <rguenther@suse.de>
9284 * tree-ssa-alias.c (struct used_part): Add write_only field.
9285 (get_or_create_used_part_for): Initialize it to true.
9286 (create_overlap_variables_for): Don't create structure variables
9287 for structures that only are written to.
9288 (find_used_portions): Handle MODIFY_EXPR to track whether a
9289 structure is only written to.
9291 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9293 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9295 * basic-block.h: Remove the prototype for
9296 partition_hot_cold_basic_blocks.
9298 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9300 * cppspec.c (lang_specific_spec_functions): Remove.
9301 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9302 * gcc.h (lang_specific_spec_functions): Remove.
9303 * gccspec.c (lang_specific_spec_functions): Remove.
9305 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9307 * combine.c (record_value_for_reg): Invalidate registers
9309 (record_dead_and_set_regs_1): Likewise, by passing them to
9310 record_value_for_reg.
9311 (record_dead_and_set_regs): Invalidate stores made by a
9312 call. We do not combine across a call, but we still
9313 relied on equivalences.
9315 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9317 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9318 vrp_int_const_binop returning non-constant nodes.
9320 2006-01-16 Paul Brook <paul@codesourcery.com>
9322 * config/m68k/m68k.c (output_move_const_into_data_reg):
9323 Output correct mnemonic for mvz and mvs.
9325 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9327 * rtl-factoring.c: Add sequence abstraction algorithm.
9328 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9329 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9331 (block_has_preserve_label): New function.
9332 * common.opt: Register new pass.
9333 * Makefile.in: Ditto.
9335 * timevar.def: Ditto.
9336 * tree-pass.h: Ditto.
9337 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9338 * rtl.h (make_jump_insn_raw): Add forward decl.
9339 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9341 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9342 Roger Sayle <roger@eyesopen.com>
9344 * fold-const.c (fold_minmax): New static function.
9345 (fold_binary) <MIN_EXPR>: Call it.
9346 <MAX_EXPR>: Likewise.
9347 * stor-layout.c (place_field): Use DECL_SIZE consistently
9348 in the computation of the new record size.
9350 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9352 * cse.c (cse_condition_code_reg): Make it static.
9353 * rtl.h: Remove the prototype for cse_condition_code_reg.
9355 * combine.c (combine_instructions): Make it static.
9356 * rtl.h: Remove the prototype for combine_instructions.
9358 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9361 * tree.c (get_file_function_name_long): Concatenate the first global
9362 object name with a string derived from the input filename of the object
9365 2006-01-16 Ben Elliston <bje@au.ibm.com>
9367 * config/i386/winnt-stubs.c: Update FSF address.
9368 * config/xtensa/ieee754-df.S: Ditto.
9369 * config/xtensa/ieee754-sf.S: Ditto.
9371 2006-01-14 Ian Lance Taylor <ian@airs.com>
9373 * ifcvt.c (noce_init_if_info): New static function, broken out of
9374 noce_process_if_block.
9375 (noce_process_if_block): Call noce_init_if_info.
9376 (check_cond_move_block): New static function.
9377 (cond_move_process_if_block): New static function.
9378 (process_if_block): Call cond_move_process_if_block.
9380 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9382 * cselib.c (hash_table): Rename to cselib_hash_table.
9383 (cselib_clear_table, discard_useless_values,
9384 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9385 cselib_init, cselib_finish): Adjust uses of hash_table.
9387 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9389 PR tree-optimization/25485
9390 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9391 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9392 is known to be false and true, respectively.
9394 2006-01-14 Richard Guenther <rguenther@suse.de>
9396 PR tree-optimization/22548
9397 PR tree-optimization/22555
9398 PR tree-optimization/22501
9399 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9400 * params.def (salias-max-array-elements): New parameter.
9401 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9402 * doc/invoke.texi (salias-max-array-elements): Document.
9403 * tree-flow-inline.h (var_can_have_subvars): We also handle
9405 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9407 * tree-ssa-structalias.c (params.h): Include.
9408 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9409 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9410 (get_constraint_for): For ADDR_EXPR operating on something
9411 containing an ARRAY_REF, add all subvars to the solution.
9412 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9413 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9414 for creating MUST_DEFs.
9415 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9417 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9419 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9421 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9422 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9423 number_of_iterations_le): New functions.
9424 (number_of_iterations_special): Removed.
9425 (number_of_iterations_exit): Do not use number_of_iterations_special.
9426 * tree.c (unsigned_type_for): Always return integer type.
9428 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9429 Richard Guenther <rguenther@suse.de>
9431 PR rtl-optimization/24257
9432 * gcse.c (find_moveable_store): Only consider a store movable
9433 when the SET_SRC of the insn can be assigned to a register.
9435 2006-01-14 Ian Lance Taylor <ian@airs.com>
9437 * tree.c (tree_not_class_check_failed): New function.
9438 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9439 (tree_not_class_check_failed): Declare.
9441 2006-01-13 Ian Lance Taylor <ian@airs.com>
9443 * reload1.c (do_output_reload): Add assertion rejecting a
9446 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9448 * combine.c (struct reg_stat): Add new fields truncation_label and
9450 (record_value_for_reg): Reset truncated_to_mode.
9451 (record_truncated_value): New function.
9452 (check_promoted_subreg): Call it. Rename to check_conversions.
9453 (combine_instructions): Rename check_promoted_subreg to
9455 (reg_truncated_to_mode): New function.
9456 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9457 (gen_lowpart_or_truncate): New function.
9458 (force_to_mode): Use it instead of gen_lowpart.
9460 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9462 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9463 VAR is a tag, not its type tag.
9465 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9467 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9468 alternatives to match style of other entries.
9469 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9471 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9473 PR tree-optimization/25771
9474 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9477 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9480 * tree-inline.c (declare_return_variable): If the return variable
9481 was marked as a non gimple complex, set the return slot variable
9482 to be a non gimple comple variable.
9484 2006-01-13 Richard Guenther <rguenther@suse.de>
9486 * builtins.c (expand_builtin_sincos): New function.
9487 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9489 (expand_builtin): Expand sincos using expand_builtin_sincos.
9491 2006-01-12 DJ Delorie <dj@redhat.com>
9493 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9494 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9495 so that constant shifts can be split.
9496 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9497 (m32c_valid_pointer_mode): Make static.
9498 (shift_gen_func_for): New.
9499 (m32c_prepare_shift): Use it. Split large const shifts into
9501 * config/m32c/predicates.md (shiftcount_operand): Allow more
9503 (longshiftcount_operand): New.
9504 * doc/md.texi (Machine Constraints): Document In6.
9506 2006-01-13 Ben Elliston <bje@au.ibm.com>
9508 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9509 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9512 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9514 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9515 to try to avoid clobbering pieces of structures when we know
9516 something about the whole structure.
9517 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9519 2006-01-13 Ben Elliston <bje@au.ibm.com>
9521 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9522 return in memory, as this is no limitation is no longer present.
9524 2006-01-12 DJ Delorie <dj@redhat.com>
9526 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9527 mova with fb, and for fb+0 -> An.
9529 * config/m32c/mov.md (peephole2): Fix enabling logic.
9531 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9532 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9533 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9534 FINI_ARRAY_SECTION_ASM_OP): Define.
9536 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9538 (m32c_legitimize_reload_address): New logic to reload FB to An.
9539 (m32c_output_reg_push): Add newline.
9540 (m32c_output_reg_pop): Likewise.
9542 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9544 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9546 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9548 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9550 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9552 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9555 2006-01-11 Ben Elliston <bje@au.ibm.com>
9557 * rtlanal.c (find_reg_note): Assert insn is not null.
9559 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9561 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9564 2006-01-11 Jeff Law <law@redhat.com>
9566 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9568 (mark_threaded_blocks, register_jump_thread): New functions.
9569 (thread_through_all_blocks): Remove unwanted argument. No
9570 longer rely on e->aux to communicate thread target info.
9571 Call mark_threaded_blocks. Release the threaded_blocks
9572 bitmap and threaded_edges vector when complete.
9573 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9574 (threaded_blocks): Remove.
9575 (tree_ssa_dominator_optimize): Remove initialization and
9576 finalization of threaded_blocks. Simplify call to
9577 thread_through_all_blocks.
9578 (thread_across_edge): Call register_jump_thread rather than
9579 storing thread information into e->aux.
9580 (free_all_edge_infos): Simplify now that e->aux is no longer
9581 used to communicate with thread_through_all_blocks.
9582 * tree-flow.h (thread_through_all_blocks): Update prototype.
9583 (register_jump_thread): Prototype.
9585 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9587 * df-core.c (df_compact_blocks, df_bb_replace): Use
9588 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9590 2006-01-11 Richard Guenther <rguenther@suse.de>
9592 PR tree-optimization/25734
9593 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9594 stop propagation after successful propagation to the LHS.
9596 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9598 * basic-block.h (control_flow_graph): Change the type of
9599 x_basic_block_info to VEC(basic_block,gc) *.
9600 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9602 (SET_BASIC_BLOCK): New.
9603 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9604 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9605 * cfgbuild.c (find_basic_blocks): Likewise.
9606 * cfglayout.c (fixup_reorder_chain): Likewise.
9607 * cfgrtl.c (create_basic_block_structure,
9608 rtl_create_basic_block): Likewise.
9609 * ifcvt.c (find_if_case_1): Likewise.
9610 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9613 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9615 * Makefile.in: Removed rotted odf.c entry.
9617 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9620 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9621 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9622 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9623 output pattern modifier, not %e.
9624 * config/cris/cris.c (cris_op_str): Update comment about pattern
9626 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9627 before falling through into...
9628 <case 'E'>: Redefined from old 'e' case.
9630 2006-01-11 Jan Hubicka <jh@suse.cz>
9633 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9635 2006-01-11 Jan Hubicka <jh@suse.cz>
9637 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9638 * i386.c (x86_decompose_lea): Kill.
9639 (ix86_rtx_costs): Kill.
9641 2006-01-11 Jan Hubicka <jh@suse.cz>
9643 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9644 * cgraph.h (cgraph_node): Add inline_decl.
9645 (cgraph_insert_node_to_hashtable): Declare.
9646 (save_inline_function_body): Declare.
9647 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9649 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9650 (cgraph_function_versioning): Update call of tree_function_versioning.
9651 (save_inline_function_body): New function.
9652 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9653 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9654 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9655 (cgraph_default_inline_p): Likewise.
9656 (cgraph_decide_inlining_incrementally): Likewise.
9657 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9658 (copy_bb): Kill saving; do updating of clones.
9659 (copy_cfg_body): Kill saving.
9660 (initialize_inlined-parameters): Likewise.
9661 (expand_call_inline): Likewise.
9663 (tree_function_versioning): New parameter "update_clones".
9664 (inlining_p): Kill saving.
9665 * tree-inline.h (tree_function_versioning): Update prototype.
9666 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9669 2006-01-11 Ian Lance Taylor <ian@airs.com>
9671 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9672 Allow undoing set of machine mode.
9673 (do_SUBST): Use enums instead of is_int.
9674 (do_SUBST_MODE): New function.
9675 (SUBST_MODE): New macro.
9676 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9677 reg and trying to replace reg_regno_rtx with a new register.
9678 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9679 (simplify_set): Use SUBST_MODE.
9680 (distribute_notes): Remove code that tried to update reg notes
9681 for regno_reg_rtx changes.
9683 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9685 PR tree-optimization/23109
9686 PR tree-optimization/23948
9687 PR tree-optimization/24123
9689 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9690 * tree-cfg.c (single_noncomplex_succ): New.
9691 * tree-flow.h (single_noncomplex_succ): Declare it.
9692 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9693 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9694 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9695 insert_bb, register_division_in, insert_reciprocals,
9696 replace_reciprocal, free_bb): New.
9697 (execute_cse_reciprocals_1): Rewritten.
9698 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9699 Do not commit any edge insertion. Always compute dominators and
9700 create the allocation pool.
9701 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9702 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9703 * targhooks.c (default_min_divistions_for_recip_mul): New.
9704 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9705 * passes.c (init_optimization_passes): Run recip after tree loop
9707 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9709 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9710 Kenneth Zadeck <zadeck@naturalbridge.com>
9712 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9713 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9714 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9715 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9716 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9717 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9718 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9719 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9720 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9721 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9722 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9723 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9724 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9725 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9726 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9727 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9728 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9729 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9730 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9731 DF_SCAN_POST_ALLOC): New macros.
9732 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9733 df_free_bb_function, df_local_compute_function, df_init_function,
9734 df_dataflow_function, df_confluence_function_0,
9735 df_confluence_function_n, df_transfer_function,
9736 df_finalizer_function, df_free_function, df_dump_problem_function,
9737 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9738 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9739 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9740 df_urec_bb_info, ) New types.
9741 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9743 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9744 df_analyze_simple_change_some_blocks,
9745 df_analyze_simple_change_one_block, df_compact_blocks,
9746 df_bb_replace, df_bb_regno_last_use_find,
9747 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9748 df_insn_regno_def_p, df_find_def, df_find_use,
9749 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9750 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9751 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9752 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9753 debug_df_chain, df_get_dependent_problem, df_chain_create,
9754 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9755 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9756 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9757 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9758 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9759 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9760 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9761 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9762 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9763 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9764 df_reorganize_refs, df_set_state, df_hard_reg_init,
9765 df_read_modify_subreg_p) New public functions.
9766 * df-core.c: The core dataflow solver and glue routines for rtl
9768 (df_init, df_add_problem, df_set_blocks, df_finish,
9769 df_hybrid_search_forward, df_hybrid_search_backward,
9770 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9771 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9772 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9773 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9774 df_reg_defined, df_find_use, df_reg_used, df_dump,
9775 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9776 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9777 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9778 debug_df_useno, reset_df_after_reload): New functions.
9779 * df-scan.c: The scanning fuctions, once in df.c, completely
9780 rewritten so that they now fully model the functionality of
9781 register usage at the backend.
9782 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9783 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9784 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9785 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9786 df_get_artificial_defs, df_get_artificial_uses,
9787 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9788 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9789 df_refs_delete, df_reorganize_refs, df_set_state,
9790 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9791 df_def_record_1, df_defs_record, df_uses_record,
9792 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9793 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9794 df_record_exit_block_uses, df_hard_reg_init): New functions.
9796 * df-problems.c: Seven concrete dataflow problems that use the
9797 scanning in df-scan.c and are solved by the engine in df-core.c.
9798 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9799 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9800 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9801 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9802 df_ru_free_bb_info, df_ru_alloc,
9803 df_ru_bb_local_compute_process_def,
9804 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9805 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9806 df_ru_transfer_function, df_ru_free, df_ru_dump,
9807 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9808 df_rd_free_bb_info, df_rd_alloc,
9809 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9810 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9811 df_rd_transfer_function, df_rd_free, df_rd_dump,
9812 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9813 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9814 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9815 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9816 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9817 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9818 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9819 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9820 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9821 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9822 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9823 df_urec_mark_reg_use_for_earlyclobber,
9824 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9825 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9826 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9827 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9828 df_chain_create_bb_process_use, df_chain_create_bb,
9829 df_chain_finalize, df_chain_free, df_chains_dump,
9830 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9831 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9832 df_reg_lifetime): New functions.
9833 * df.c: Deleted file.
9834 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9835 consistent with new df api.
9836 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9837 rest_of_handle_sms): Ditto.
9838 * web.c (unionfind_union, union_defs, entry_register, web_main):
9840 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9841 invariant_expr_equal_p, find_defs, check_dependencies,
9842 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9843 free_inv_motion_data, move_loop_invariants): Ditto.
9844 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9845 Update dependencies.
9846 (odf.c): Added defective entry that was deleted later in day.
9847 * sched-deps.c (sched_analyze_1): Ditto.
9849 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9851 * tree-ssa-operands.c (get_expr_operands): Record addressable
9852 variables directly. Do not call add_stmt_operands for CONST_DECLs
9854 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9855 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9857 2006-01-11 Ben Elliston <bje@au.ibm.com>
9859 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9860 function returns true in the positive case.
9862 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9865 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9866 for SI, DI, SF and DF modes. Add alternatives to copy between
9867 general and floating point registers to the 32-bit patterns.
9868 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9869 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9870 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9871 generating 64-bit code.
9872 * config/pa/pa.c (output_move_double): Handle copies between general
9873 and floating registers.
9875 2006-01-10 Stuart Hastings <stuart@apple.com>
9877 * config/i386/i386.md (set_got): Update.
9878 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9879 (builtin_setjmp_receiver): Mach-O support.
9880 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9881 (GOT_SYMBOL_NAME): Define.
9882 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9883 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9884 * config/i386/i386.c (override_options): Revise for Darwin.
9885 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9886 support. (darwin_x86_file_end): New. (output_set_got): Add label
9887 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9888 * config/i386/i386-protos.h (output_set_got): Likewise.
9889 * config/darwin.c (machopic_legitimize_pic_address): Update
9892 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9894 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9895 when MODE isn't BLKmode.
9897 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9899 PR rtl-optimization/25367
9900 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9902 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9905 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9906 for a negative bound.
9908 2006-01-10 Richard Guenther <rguenther@suse.de>
9910 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9911 Never override with anything constraint.
9913 2006-01-10 Jan Beulich <jbeulich@novell.com>
9915 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9916 256 bits when optimize_size.
9918 2006-01-10 Jan Beulich <jbeulich@novell.com>
9920 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9922 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9923 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9926 2006-01-10 Ben Elliston <bje@au.ibm.com>
9928 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9930 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9931 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9932 (USE_FP_FOR_ARG): Reject decimal float modes.
9933 (function_arg_advance): Likewise.
9934 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9935 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9936 point types in AltiVec vectors.
9937 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9938 (rs6000_libcall_value): Likewise.
9940 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9942 * config/xtensa/ieee754-df.S: New file.
9943 * config/xtensa/ieee754-sf.S: New file.
9944 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9945 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9946 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9948 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9950 * config/sh/predicates.md (binary_float_operator,
9951 binary_logical_operator, commutative_float_operator,
9952 equality_comparison_operator, greater_comparison_operator,
9953 less_comparison_operator, logical_operator,
9954 noncommutative_float_operator, shift_operator,
9955 symbol_ref_operand, unary_float_operator): Remove redundant
9958 2006-01-09 Jeff Law <law@redhat.com>
9960 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9961 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9962 now unused arguments. Callers updated.
9963 (eliminate_redundant_computations): Remove now unused arguments,
9965 (local_fold): Remove, no longer used.
9966 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9968 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9969 (simplify_cond): New function.
9970 (forward_propagate_into_cond): Call simplify_cond.
9972 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9974 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9975 (*vec_extractv2di_1_sse): New.
9977 2006-01-09 Ben Elliston <bje@au.ibm.com>
9979 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9981 2006-01-08 Richard Guenther <rguenther@suse.de>
9983 * tree-ssa-structalias.c (get_constraint_for): Remove
9985 (get_constraint_for_component_ref): Likewise.
9986 (do_deref): Likewise.
9987 (get_constraint_for): Likewise.
9988 (do_structure_copy): Likewise.
9989 (handle_ptr_arith): Likewise.
9990 (find_func_aliases): Likewise. Remove unused need_anyoffset
9993 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9994 Kaz Kojima <kkojima@gcc.gnu.org>
9996 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9997 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9998 (EXTRA_CONSTRAINT_C16): Remove.
9999 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10000 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10001 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10002 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10003 constants of SHmedia. Handle nested constant expressions of
10005 (andcosts): Fix the costs for SHmedia constants.
10006 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10007 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10008 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10009 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10010 (movv4hi_i, movv2si_i): Likewise.
10011 (movsi_const): Adjust the second operand of ior so to match with
10012 the Csu constraint.
10013 (movdi_const, movdi_const_32bit): Likewise.
10014 (movdi_const_16bit+1): Don't sign-extend LOW.
10015 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10017 (*double_shori): Fix the split condition. Use GEN_INT instead
10018 of get_int_mode calls. Mask lower 16-bit of the argument of
10020 (sym2GOTPLT): Remove.
10021 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10023 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10024 instead of EXTRA_CONSTRAINT_C16.
10026 2006-01-07 Ian Lance Taylor <ian@airs.com>
10027 David Edelsohn <edelsohn@gnu.org>
10029 PR rtl-optimization/25662
10030 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10031 for constant operands instead of simplify_gen_binary.
10032 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10033 after trying simplify_binary_operation
10035 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10037 * tree.c (iterative_hash_expr): Hash decls based on UID.
10039 2006-01-06 Eric Christopher <echristo@apple.com>
10041 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10042 (TARGET_UNWIND_EMIT): Fix spelling.
10043 * target.h (gcc_target): Add except_table_label.
10044 * except.c (output_function_exception_table): Use.
10045 * varasm.c (default_emit_except_table_label): New.
10046 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10048 (asm_out): Add here.
10049 * output.h (default_emit_except_table_label): Prototype.
10050 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10051 * config/darwin.c (darwin_emit_except_table_label): Define.
10052 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10054 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10056 PR tree-optimization/18527
10057 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10058 number_of_iterations_special, number_of_iterations_exit):
10059 Move base and step of an iv to a single structure. Add
10060 no_overflow flag, and use it in # of iterations analysis.
10061 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10062 folded_casts argument.
10063 (simple_iv): Pass base and step in a structure. Set no_overflow
10065 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10066 Evaluate expensiveness of computing # of iterations instead of
10067 the final expression.
10068 * tree-scalar-evolution.h (affine_iv): New structure.
10069 (simple_iv): Declaration changed.
10070 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10071 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10072 find_givs_in_stmt): Changed due to simple_iv change.
10074 2006-01-06 Jeff Law <law@redhat.com>
10077 * tree-cfg.c (bsi_replace): Rename final argument from
10078 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10079 change (stmt -> orig_stmt).
10080 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10081 (bsi_remove): Add new argument. Remove EH information
10083 (verify_eh_throw_table_statements): New function.
10084 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10086 * tree-optimize.c (execute_free_cfg_annotations): Verify
10087 the EH throw statement table after removing annotations.
10088 * except.h (verify_eh_throw_table_statements): Prototype.
10089 * tree-flow.h (bsi_remove): Update prototype.
10090 * tree-vrp.c (remove_range_assertions): Add new argument to
10092 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10093 * tree-complex.c (expand_complex_div_wide): Likewise.
10094 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10095 * tree-tailcall.c (eliminate_tailcall): Likewise.
10096 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10097 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10098 * tree-nrv.c (tree_nrv): Likewise.
10099 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10100 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10101 (combine_blocks): Likewise.
10102 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10103 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10104 (cleanup_control_flow): Likewise.
10105 (remove_forwarder_block): Likewise.
10106 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10107 * tree-sra.c (sra_replace): Likewise.
10108 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10109 (forward_propagate_single_use_vars): Likewise.
10110 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10111 * tree-inline.c (expand_call_inline): Likewise.
10112 * tree-vect-transform.c (vect_transform_loop): Likewise.
10113 * tree-outof-ssa.c (rewrite_trees): Likewise.
10114 * tree-cfg.c (make_goto_expr_edges): Likewise.
10115 (cleanup_dead_labels): Likewise.
10116 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10117 (bsi_move_before, bsi_move_after): Likewise.
10118 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10119 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10121 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10124 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10126 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10127 on non gimple variables. Also add checks at the top for decls and
10129 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10131 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10132 and IMAGPART_EXPR for creating MUST_DEFs.
10133 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10134 and NAME_MEMORY_TAG separately from the DECLs.
10136 2006-01-06 Richard Guenther <rguenther@suse.de>
10138 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10139 annotation, if necessary.
10140 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10141 redundant calls to update_stmt.
10142 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10145 2006-01-05 Richard Henderson <rth@redhat.com>
10147 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10149 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10151 * c-typeck.c: Update copyright date.
10153 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10155 * c-typeck.c (build_c_cast): Always warn when casting
10156 from a pointer to an integer of different size, even if
10157 the node was constant.
10159 2006-01-05 Richard Guenther <rguenther@suse.de>
10161 PR tree-optimization/22555
10162 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10163 if one structure field is an array.
10164 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10165 operands even if we found a subvar, but ignore VOPs in this
10167 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10169 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10171 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10173 PR middle-end/24998
10174 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10176 2006-01-05 Richard Guenther <rguenther@suse.de>
10177 Diego Novillo <dnovillo@redhat.com>
10179 * tree-pass.h (TODO_remove_unused_locals): Define.
10180 * gimple-low.c (expand_var_p, remove_useless_vars,
10181 pass_remove_useless_vars): Remove. Update all users.
10182 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10183 (remove_unused_locals): New function.
10184 * tree-flow.h (remove_unused_locals): Declare.
10185 * passes.c (execute_todo): Call remove_unused_locals if
10186 TODO_remove_unused_locals is set.
10187 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10188 * tree-ssa-dce.c (pass_dce): Likewise.
10189 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10191 2006-01-05 Richard Guenther <rguenther@suse.de>
10193 * tree-flow.h (struct fieldoff): Decompose field to
10194 type, size and decl.
10195 * tree-ssa-alias.c (create_sft): Take type as parameter.
10196 (create_overlap_variables_for): Store type, size and decl
10197 in the fieldoff structure.
10198 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10199 of struct fieldoff.
10200 (push_fields_onto_fieldstack): Likewise.
10201 (create_variable_info_for): Likewise. Use offset for the
10202 SFT name if the decl is not available.
10204 2006-01-04 Paul Brook <paul@codesourcery.com>
10206 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10208 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10210 * lambda-code.c (can_put_in_inner_loop): Relax
10212 (can_put_after_inner_loop): New function.
10213 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10214 (perfect_nestify): Change to make copies and modify uses.
10216 2006-01-04 Richard Henderson <rth@redhat.com>
10218 Merge from gomp branch:
10219 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10220 via integer constant.
10221 (pragma_lex): Remove.
10222 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10223 rather than parsing it.
10224 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10225 handle_pragma_extern_prefix): Add %< %> quotes.
10226 (registered_pragmas): New.
10227 (c_register_pragma_1): New.
10228 (c_register_pragma): Use it.
10229 (c_register_pragma_with_expansion): Likewise.
10230 (c_invoke_pragma_handler): New.
10231 (init_pragma): Use cpp_register_deferred_pragma directly for
10233 * c-pragma.h (enum pragma_kind): New.
10234 (pragma_handler): New.
10235 (c_invoke_pragma_handler): Declare.
10236 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10238 * c-common.h (c_common_pch_pragma): Update decl.
10239 * Makefile.in (c-parser.o): Update dependencies.
10240 (GTFILES): Add c-pragma.h.
10241 * c-parser.c (struct c_token): Add pragma_kind.
10242 (struct c_parser): Add in_pragma.
10243 (c_lex_one_token): Always initialize keyword and pragma_kind.
10244 Extract data for CPP_PRAGMA.
10245 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10246 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10247 Don't allow CPP_PRAGMA_EOL if in_pragma.
10248 (c_parser_consume_pragma): New.
10249 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10250 (c_parser_skip_to_end_of_parameter): Likewise.
10251 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10252 (c_parser_skip_to_pragma_eol): New.
10253 (c_parser_external_declaration): Handle CPP_PRAGMA.
10254 (c_parser_compound_statement_nostart): Likewise.
10255 (c_parser_statement_after_labels): Likewise.
10256 (c_parser_pragma): New.
10257 (pragma_lex): Likewise.
10258 (c_parser_pragma_pch_preprocess): New.
10259 (c_parser_new): Merge into ...
10260 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10262 2006-01-04 Jeff Law <law@redhat.com>
10265 * tree-cfg.c (bsi_replace): Remove the original statement
10266 from the EH throw statement table.
10268 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10270 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10271 make the prototype extern "C" and add throw ().
10274 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10275 and pos non-negative and pos + len <= 32.
10276 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10277 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10278 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10281 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10282 as well as sizes not multiple of component size.
10285 * function.c (instantiate_expr): New function.
10286 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10287 walk its DECL_VALUE_EXPR with instantiate_expr.
10289 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10290 DW_OP_deref{,_size} if address isn't going to be added.
10292 2006-01-04 Ben Elliston <bje@au.ibm.com>
10294 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10295 * config/fp-bit.c: Likewise.
10297 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10299 * dominance.c: Add comment about why we use DFS numbering
10302 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10303 Richard Henderson <rth@redhat.com>
10305 Merge from gomp-branch:
10306 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10307 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10309 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10311 PR rtl-optimization/25578
10312 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10313 pass a parameter to simplify_shift_const if changing ASHIFTRT
10316 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10318 * builtins.c (get_builtin_sync_mem): New function.
10319 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10320 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10321 Call get_builtin_sync_mem to generate mem rtx.
10323 2006-01-03 Richard Guenther <rguenther@suse.de>
10326 * stmt.c (add_case_node): Make sure to clear overflow flags
10329 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10331 Merge from gomp-branch.
10332 * config/sparc/sync.md: New file.
10333 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10334 UNSPECV_LDSTUB): New constants.
10335 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10336 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10337 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10340 2006-01-03 Roger Sayle <roger@eyesopen.com>
10342 * combine.c (reg_subword_p): New predicate to test whether the
10343 destination of a set refers to a subword/piece of a register.
10344 (try_combine): Generalize the code to merge the setting of a
10345 pseudo to a constant followed by a set of a subword of that
10346 register to a constant.
10348 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10350 * basic-block.h (control_flow_graph): Change the type of
10351 x_label_to_block_map to VEC(basic_block,gc) *.
10352 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10353 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10355 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10356 VEC(basic_block,heap) *.
10357 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10358 ssa_prop_fini): Adjust the uses of cfg_blocks.
10360 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10362 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10364 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10365 hashing trees instead of a pointer hash.
10366 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10367 compare for MEM_EXPR.
10369 PR rtl-optimization/25130
10370 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10371 when comparing MEMs for GCSE
10373 2006-01-03 Ben Elliston <bje@au.ibm.com>
10375 * targhooks.h (default_decimal_float_supported_p): Declare.
10376 * targhooks.c (default_decimal_float_supported_p): Define.
10377 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10378 `default_decimal_float_supported_p'.
10379 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10381 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10383 * combine.c (apply_distributive_law <SUBREG>): Check
10384 TRULY_NOOP_TRUNCATION.
10386 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10388 * dwarf2out.c (have_switched_text_section): Delete.
10389 (have_multiple_function_sections): New.
10390 (have_location_lists): Make 'bool'.
10391 (add_AT_loc_list): Use 'true' not '1'.
10392 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10393 (output_loc_list): Use have_multiple_function_sections.
10394 (output_ranges): Likewise.
10395 (dwarf2out_begin_function): Set have_multiple_function_sections if
10397 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10398 Check function_section rather than DECL_SECTION_NAME.
10399 (dwarf2out_finish): Use have_multiple_function_sections.
10400 Don't clear have_location_lists.
10402 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10403 Jan Hubicka <jh@suse.cz>
10405 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10406 case of conditional jump jumping to the next instruction.
10407 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10408 cases of conditional jump jumping to the next instruction.
10410 2006-01-02 Jan Hubicka <jh@suse.cz>
10412 * i386.c (*_cost): Add COSTS_N_INSNS.
10413 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10415 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10418 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10420 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10422 * config/arm/arm.c (all_fpus): Fix comment typo.
10423 * config/darwin.c: Likewise.
10424 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10425 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10426 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10428 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10430 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10431 (rs6000_split_compare_and_swapqhi): New.
10432 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10433 (sync_compare_and_swapqhi_internal): New.
10434 * config/rs6000/rs6000-protos.h: Declare.
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