1 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4 * c-parser.c (c_parser_cast_expression): Only insert casts into
6 * function.c (used_types_insert_helper): Rename from
8 (used_types_insert): Call used_types_insert_helper.
9 * function.h (used_types_insert): Accept only one argument.
11 2006-05-05 David Edelsohn <edesohn@gnu.org>
13 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
14 scratch with output modifier.
16 2006-05-04 David Edelsohn <edelsohn@gnu.org>
19 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
22 2006-05-04 Richard Sandiford <richard@codesourcery.com>
25 * config/mips/mips.c (mips_symbolic_address_p): Return true
26 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
27 SYMBOL_GOTTPREL, and SYMBOL_TLS.
29 2006-05-04 Richard Guenther <rguenther@suse.de>
31 PR tree-optimization/14287
32 PR tree-optimization/14844
33 PR tree-optimization/19792
34 PR tree-optimization/21608
35 PR tree-optimization/27090
36 * tree-ssa-pre.c (try_combine_conversion): New function.
37 (compute_avail): After constructing the value-handle
38 expression, use try_combine_conversion to combine NOP_EXPRs
39 with previous value-handle expressions and use the result if it
42 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
44 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
46 2006-05-04 Jan Hubicka <jh@suse.cz>
49 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
51 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
53 * config/bfin/predicates.md (const01_rtx): Tell generator programs
54 that this only matches CONST_INTs. All users changed to VOIDmode
57 * config/bfin/bfin.c: Include "optabs.h".
58 (bfin_rtx_costs): Some costs for vector operations, to allow combine
60 (enum bfin_builtins): Add a number of fractional and vector builtins.
61 (bfin_init_builtins): Likewise.
62 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
63 (safe_vector_operand, bfin_expand_binop_builtin,
64 bfin_expand_unop_builtin): New functions.
65 (bfin_expand_builtin): Handle the new builtins.
66 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
69 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
72 * Makefile.in (OBJS-common): Add see.o.
73 (see.o): Add dependencies.
74 * common.opt (fsee): New flag for the see optimization was added.
75 * opts.c (flag_see): Initialized.
76 * passes.c (init_optimization_passes, pass_see): New pass.
77 * rtl.h (see_main): Declaration as extern.
78 * timevar.def (TV_SEE): New.
79 * tree-pass.h (pass_see): Declaration as extern.
80 * invoke.texi (-fsee): Document.
81 * recog.c (validate_simplify_insn): New function.
82 * recog.h (validate_simplify_insn): Declaration as extern.
83 * df-problems.c (df_chain_dump): Check for NULL.
85 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
86 Daniel Berlin <dberlin@dberlin.org>
88 * cfgrtl.c (insert_insn_bb_end_new): New function.
89 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
91 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
93 * df.h (struct web_entry): Moved from web.c.
94 (union_defs): Declaration as extern.
95 (unionfind_root): Likewise.
96 (unionfind_union): Likewise.
97 * web.c (struct web_entry): Moved to df.h.
98 (unionfind_root): Remove static declaration.
99 (unionfind_union): Likewise.
100 (union_defs): Likewise and generalize to use callback function.
101 (web_main): Update arguments for union_defs function call.
103 2006-05-04 Richard Guenther <rguenther@suse.de>
105 PR tree-optimization/26447
106 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
107 produce SSA_NAME copies before the store stmt to avoid
108 breaking exception handling.
110 2006-05-04 Jakub Jelinek <jakub@redhat.com>
113 * gimplify.c (omp_is_private): If var is shared in some outer context,
114 return false instead of true. Stop searching on parallel context
117 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
120 * coverage.c: Use get_gcov_unsigned_t() instead of
121 unsigned_type_node all over.
123 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
125 PR tree-optimization/27381
126 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
127 maintain the same immediate_use links.
128 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
129 node rather than segfaulting.
131 2006-05-03 Jakub Jelinek <jakub@redhat.com>
134 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
135 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
136 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
138 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
140 Fix PR tree-optimization/26626
141 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
143 * tree-ssa-operands.c (access_can_touch_variable): Allow
144 typecasting through union pointers.
146 2006-05-02 Jakub Jelinek <jakub@redhat.com>
149 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
150 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
151 to find if var will be a global variable even in the nested context.
152 (omp_copy_decl): Only check for global variable at the end, it might
153 be overridden in outer contexts.
154 (scan_sharing_clauses): For global variables don't create a field.
155 (lower_rec_input_clauses): Do nothing for global shared variables.
156 Emit a barrier at the end of ILIST if there were any decls in both
157 firstprivate and lastprivate clauses.
158 (lower_send_clauses): Do nothing for global variables except for
161 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
163 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
164 of the correct signedness is returned.
166 2006-05-02 Jeff Law <law@redhat.com>
168 PR tree-optimization/27364
169 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
170 multiply expressions.
172 2006-05-02 Tom Tromey <tromey@redhat.com>
174 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
176 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
179 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
180 -mthumb -fPIC are used.
182 2006-05-02 Joshua Kinard <kumba@gentoo.org>
185 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
186 with 64-bit pointers.
188 2006-05-02 Paul Brook <paul@codesourcery.com>
190 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
192 (create_fix_barrier): Check that a suitable barrier location is
194 (arm_reorg): Include ftmp->address in allowable range of addresses.
196 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
199 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
202 2006-05-02 Jakub Jelinek <jakub@redhat.com>
205 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
206 around RESULT_DECL for result passed by reference.
207 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
208 * omp-low.c (use_pointer_for_field): Don't look at
209 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
210 (scan_omp_1): Call remap_decl on RESULT_DECLs.
211 (lower_rec_input_clauses): Don't allocate VLA memory for the second
212 time or var for passing by reference for
213 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
214 TREE_ADDRESSABLE variables when passing by reference.
216 * omp-low.c (dump_omp_region): Fix output formatting.
219 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
220 (expand_omp_parallel): Likewise.
221 * tree-cfg.c (move_sese_region_to_fn): Likewise.
224 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
225 on statement list containing also constructors and destructors.
226 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
229 * except.c (duplicate_eh_regions): Fix clearing of
230 cfun->eh->region_array entries.
232 2006-05-01 DJ Delorie <dj@redhat.com>
234 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
236 (gcc_cv_objdump): Likewise.
237 * configure: Regenerated.
239 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
242 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
243 templates for case 3 and 4.
245 2006-05-01 DJ Delorie <dj@redhat.com>
247 * vec.c: Include bconfig.h when appropriate.
248 * Makefile.in (build/vec.o): Adjust dependencies.
249 * mkconfig.sh: Make sure config.h isn't used for build machine
252 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
254 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
256 (mark_phi_for_rewrite): New function.
257 (insert_phi_nodes_for, mark_use_interesting): Call
258 mark_phi_for_rewrite.
259 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
260 (update_ssa): Initialize and free phis_to_rewrite.
262 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
264 PR rtl-optimization/27291
265 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
266 folded to a constant.
268 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
270 PR tree-optimization/27283
271 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
272 not whole # of iteration descriptions.
273 (niter_for_exit): Return just # of iterations. Fail if # of iterations
274 uses abnormal ssa name.
275 (niter_for_single_dom_exit): Ditto.
276 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
277 return just the number of iterations.
279 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
281 PR tree-optimization/27144
282 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
283 (record_estimate): Only record constant upper bound.
284 (infer_loop_bounds_from_undefined): Call
285 compute_estimated_nb_iterations just once.
286 (proved_non_wrapping_p): Renamed to ...
287 (n_of_executions_at_most): ... this. Expect bound to be a constant.
288 (convert_step_widening, scev_probably_wraps_p): Call
289 n_of_executions_at_most instead of proved_non_wrapping_p.
290 (substitute_in_loop_info): Do not replace values in bounds.
291 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
294 2006-05-01 Richard Henderson <rth@redhat.com>
297 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
298 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
301 2006-05-01 Roger Sayle <roger@eyesopen.com>
303 * c-typeck.c (parser_build_binary_op): Don't call the function
304 unsigned_conversion_warning to spot operand/result type overflow.
305 (build_binary_op): Instead, call convert_and_check instead of
306 convert to report the problem when the operands are promoted.
307 * c-common.c (unsigned_conversion_warning): Make static.
308 * c-common.h (unsigned_conversion_warning): Delete prototype.
310 2006-05-01 Richard Guenther <rguenther@suse.de>
312 PR tree-optimization/26726
313 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
315 (find_interesting_uses_address): ... we work around here
316 by folding INDIRECT_REFs in the substituted base.
318 2006-05-01 Diego Novillo <dnovillo@redhat.com>
320 * omp-low.c (dump_omp_region): Add newlines.
322 2006-04-30 Roger Sayle <roger@eyesopen.com>
324 * common.opt (Woverflow): New command line option.
325 * c-common.c (constant_expression_warning): Check warn_overflow.
326 (overflow_waring): Pass OPT_Woverflow to warning.
327 (unsigned_conversion_warning): Likewise.
328 (convert_and_check): Likewise.
329 * doc/invoke.texi: Document new command line option.
331 2006-04-30 David Edelsohn <edelsohn@gnu.org>
333 * config/rs6000/rs6000.c (rs6000_override_options): Enable
334 TARGET_NO_FP_IN_TOC for section anchors.
335 (optimization_options): Enable section anchors for all
336 non-"Objective" languages.
338 2006-04-28 Eric Christopher <echristo@apple.com>
340 * config/darwin-c.c (darwin_ms_struct): Move this
341 (darwin_set_default_type_attributes): and this...
342 * config/darwin.c: ... here.
343 * config/darwin.h (darwin_ms_struct): Declare.
345 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
347 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
349 2006-04-28 Roger Sayle <roger@eyesopen.com>
352 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
353 (push_array_bounds): Delete prototype. Change BOUNDS argument to
354 an unsigned HOST_WIDE_INT.
355 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
357 (really_start_incremental_init): No need to call convert because
358 bitsize_zero_node is already of type bitsizetype.
359 (push_init_level): Extract the value of constructor_index as an
360 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
361 (process_init_element): Likewise.
363 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
365 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
366 value before passing to make_relative_prefix.
368 2006-04-28 Alan Modra <amodra@bigpond.net.au>
371 * builtins.c (expand_builtin_memset): Expand val in original mode.
373 2006-04-27 Eric Christopher <echristo@apple.com>
375 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
377 * config/darwin-c.c (darwin_ms_struct): New.
378 (darwin_pragma_ms_struct): Ditto.
379 (darwin_set_default_type_attributes): Ditto.
380 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
381 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
382 Register ms_struct pragma.
383 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
384 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
385 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
386 darwin_set_default_type_attributes if TARGET_MACHO.
388 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
390 PR tree-optimization/26854
391 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
392 * doc/tree-ssa.texi: Update immuse iterator documentation.
393 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
394 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
395 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
396 first_safe_imm_use, next_safe_imm_use): Remove.
397 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
398 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
399 (move_use_after_head): New. Helper function to sort immuses in a stmt.
400 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
401 (first_imm_use_stmt): New. Get first stmt in an immuse list.
402 (next_imm_use_stmt): New. Get next stmt in an immuse list.
403 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
404 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
405 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
406 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
407 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
408 (perfect_nestify): Use new iterator.
409 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
411 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
412 (next_imm_name): New field in struct immediate_use_iterator_d.
413 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
414 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
415 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
416 * tree-cfg.c (replace_uses_by): Use new iterator.
417 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
418 * tree-ssa-operands.c (correct_use_link): Remove.
419 (finalize_ssa_use_ops): No longer call correct_use_link.
421 2006-04-27 Stuart Hastings <stuart@apple.com>
423 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
424 * config/t-darwin (crt3.o): Use it.
425 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
426 'pmode', use Pmode instead of SImode for SYMBOL_REF.
427 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
428 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
429 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
432 2006-04-27 Roger Sayle <roger@eyesopen.com>
434 * expmed.c (store_fixed_bit_field): If we're not optimizing for
435 size, force the intermediate into a new pseudo rather instead of
436 performing both a bitwise AND and a bitwise IOR in memory.
438 2006-04-27 Richard Guenther <rguenther@suse.de>
440 PR rtl-optimization/26685
441 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
442 this one "max-flow-memory-locations".
444 2006-04-27 Richard Guenther <rguenther@suse.de>
446 PR tree-optimization/25148
447 * tree-vrp.c (compare_values): Remove code dealing with
448 comparisons against type min/max value. Honour overflow
449 and negative constants in code dealing with comparisons
450 of plus and minus expressions.
451 (value_inside_range): Use fold_binary with LE_EXPR and
452 GE_EXPR rather than compare_values.
454 2006-04-27 Dirk Mueller <dmueller@suse.de>
456 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
459 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
461 * basic-block.h (safe_insert_insn_on_edge): Removed.
462 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
465 2006-04-26 David Edelsohn <edelsohn@gnu.org>
466 Paolo Bonzini <bonzini@gnu.org>
469 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
470 (simplify_and_const_int): Same.
472 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
474 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
476 2006-04-26 Jakub Jelinek <jakub@redhat.com>
479 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
480 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
481 cgraph_global_info_ready.
484 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
487 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
488 either decl or init is error_mark_node.
491 * tree-flow.h (struct omp_region): Add sched_kind.
492 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
493 instead of extracting omp for data.
494 (expand_omp_for): Save extracted sched_kind.
496 2006-04-25 Roger Sayle <roger@eyesopen.com>
498 * expmed.c (store_bit_field): Also check whether the bitsize is
499 valid for the machine's "insv" instruction before moving the
500 target into a pseudo for use with the insv.
501 * config/i386/predicates.md (const8_operand): New predicate.
502 * config/i386/i386.md (extv, extzv, insv): Use the new
503 const8_operand predicate where appropriate.
505 2006-04-25 DJ Delorie <dj@redhat.com>
507 * doc/install.texi (Specific): Clarify that this is not a list of
508 supported hosts or targets.
510 2006-04-25 Richard Sandiford <richard@codesourcery.com>
512 PR rtl-optimization/26725
513 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
514 block's BB_DIRTY flag.
516 2006-04-25 Geoffrey Keating <geoffk@apple.com>
518 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
521 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
524 2006-04-25 David Edelsohn <edelsohn@gnu.org>
526 * varasm.c (align_variable): New function.
527 (get_block_for_decl): Apply align_variable to DECL before
528 calculating section information.
529 (assemble_variable): Split out alignment computation.
531 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
533 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
536 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
538 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
539 MODE_PARTIAL_INT mode.
540 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
541 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
543 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
544 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
546 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
548 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
550 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
551 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
552 MACFLAG_IH): Likewise.
553 (movstricthi_1): Renamed from "*movstricthi".
554 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
555 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
556 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
557 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
558 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
559 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
560 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
561 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
562 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
563 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
564 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
565 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
566 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
567 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
568 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
570 * doc/rtl.texi (ss_ashift): Improve wording.
572 2006-04-24 Geoffrey Keating <geoffk@apple.com>
574 * dwarf2out.c (verify_marks_clear): New.
575 (prune_unused_types): Call verify_marks_clear initially, not
578 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
580 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
581 * doc/rtl.texi: Document them.
582 * simplify-rtx.c (simplify_unary_operation,
583 simplify_binary_operation_1): Don't abort when we see them.
585 2006-04-24 Mark Mitchell <mark@codesourcery.com>
588 2006-04-23 Mark Mitchell <mark@codesourcery.com>
589 * configure.ac: Completely disregard languages that are not
591 * configure: Regenerated.
593 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
594 Richard Guenther <rguenther@suse.de>
596 PR tree-optimization/27236
597 * tree-inline.c (copy_body_r): Make sure to copy
598 TREE_THIS_VOLATILE flag.
600 2006-04-24 Richard Guenther <rguenther@suse.de>
603 * tree-complex.c (update_parameter_components): Don't handle
604 unused parameters which have no default def.
606 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
607 Richard Guenther <rguenther@suse.de>
609 PR tree-optimization/27218
610 * tree-inline.c (expand_call_inline): Strip useless type
611 conversions for the return slot address.
613 2006-04-24 Richard Guenther <rguenther@suse.de>
615 * cfgloop.h (struct loops): Remove unused field array. Reorder
617 (LOOP_PREFETCH): Remove.
619 2006-04-24 Richard Guenther <rguenther@suse.de>
621 PR tree-optimization/22525
622 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
623 variable, adjust types of generated expressions.
625 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
627 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
628 (tree-vect-patterns.o): Likewise.
630 (cselib.o): Likewise.
631 (loop-doloop.o): Likewise.
632 (regclass.o): Likewise.
633 (reload1.o): Likewise.
634 (explow.o): Replace target.h with $(TARGET_H).
635 (ipa-prop.o): Likewise.
636 (ipa-cp.o): Likewise.
637 (ipa-inline.o): Likewise.
639 (reg-stack.o): Likewise.
641 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
643 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
645 2006-04-23 Mark Mitchell <mark@codesourcery.com>
647 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
649 * configure.ac: Completely disregard languages that are not
651 * configure: Regenerated.
654 * c-common.h (c_build_bitfield_integer_type): Declare.
655 * c-decl.c (c_build_bitfield_integer_type): Move to ...
656 * c-common.c (c_build_bitfield_integer_type): ... here.
658 2006-04-23 Roger Sayle <roger@eyesopen.com>
661 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
662 a SImode SUBREG of a floating point register after no_new_pseudos.
664 2006-04-23 Roger Sayle <roger@eyesopen.com>
666 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
667 identify potentially eliminable registers to additionally catch
668 VIRTUAL_INCOMING_ARGS_REGNUM.
669 (addsi3): Update the conditions on when to use addsi_small_int.
671 2006-04-23 Roger Sayle <roger@eyesopen.com>
674 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
675 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
676 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
678 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
680 * fold-const.c (range_predecessor): Use operand_equal_p
681 as the predicate for equality.
682 (range_successor): Likewise.
684 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
687 * config/soft-fp/op-common.h: Fix a typo.
689 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
692 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
693 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
695 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
697 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
699 * doc/tm.texi: Fix a typo.
701 2006-04-21 Geoffrey Keating <geoffk@apple.com>
703 * dwarf2out.c (struct die_struct): Document that die_sib makes
704 a circular linked list.
705 (FOR_EACH_CHILD): New.
706 (reverse_die_lists): Delete.
707 (reverse_all_dies): Delete.
708 (add_dwarf_attr): Correct documentation.
709 (remove_child_with_prev): New.
710 (remove_child_TAG): Update for change to die_struct, use
711 remove_child_with_prev.
712 (add_child_die): Update for change to die_struct.
713 (splice_child_die): Use remove_child_with_prev and add_child_die.
714 (print_die): Use FOR_EACH_CHILD.
715 (die_checksum): Likewise.
716 (assign_symbol_names): Likewise.
717 (output_location_lists): Likewise.
718 (build_abbrev_table): Likewise.
719 (calc_die_sizes): Likewise.
720 (mark_dies): Likewise.
721 (unmark_dies): Likewise.
722 (unmark_all_dies): Likewise.
723 (output_die): Likewise.
724 (prune_unused_types_mark): Likewise.
725 (prune_unused_types_walk): Likewise.
726 (same_die_p): Update for change to die_struct.
727 (break_out_includes): Likewise.
728 (prune_unused_types_prune): Likewise.
729 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
730 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
732 (dwarf2out_finish): Don't call reverse_all_dies.
734 2006-04-21 Eric Christopher <echristo@apple.com>
736 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
737 in comments and function names.
739 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
742 * c-typeck.c (digest_init): Robustify.
744 * c-typeck.c (pop_init_level): Simplify.
746 2006-04-21 Steve Ellcey <sje@cup.hp.com>
748 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
750 2006-04-21 Paul Brook <paul@codesourcery.com>
752 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
753 hardware floating point.
755 2006-04-21 David Edelsohn <edelsohn@gnu.org>
757 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
760 2006-04-21 Nick Clifton <nickc@redhat.com>
762 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
765 2006-04-21 Alan Modra <amodra@bigpond.net.au>
768 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
769 C++ lang type in traceback table for Objective-C++.
771 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
773 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
775 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
777 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
780 * tree-mudflap.c (mudflap_finish_file): Skip function when there
781 were errors. Remove check for erroneous objects.
783 2006-04-20 Jeff Law <law@redhat.com>
785 PR tree-optimization/26854
786 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
787 checking for zero or one use.
788 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
789 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
790 * tree-ssa-reassoc.c (negate_value): Similarly.
791 (reassociate_bb): Similarly.
793 2006-04-20 Jakub Jelinek <jakub@redhat.com>
795 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
796 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
797 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
799 2006-04-20 Alan Modra <amodra@bigpond.net.au>
801 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
802 fp regs if the last fp arg doesn't fit in regs.
804 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
807 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
808 that the last insn has the REG_INC note.
810 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
811 Nathan Sidwell <nathan@codesourcery.com>
814 * stor-layout.c (update_alignment_for_field): Do not align
816 (place_union_field): Place union field at the start of the union.
817 (place_field): Move ERROR_MARK check later, and use the current
818 allocation position to maintain monotonicity.
820 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
822 * dominance.c: Include timevar.h.
823 (calculate_dominance_info): Use TV_DOMINANCE.
824 * timevar.def (TV_DOMINANCE): New timevar.
825 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
827 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
829 PR rtl-optimization/14261
830 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
831 move would be an INSV insn.
832 (noce_process_if_block): Don't optimize if the destination is a
833 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
835 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
837 * config/s390/s390.md: Add comments with the instructions emitted
838 by an insn pattern if macros are used.
840 2006-04-19 Alan Modra <amodra@bigpond.net.au>
842 PR rtl-optimization/26026
843 * fold-const.c (fold_binary): Optimize div and mod where the divisor
844 is a known power of two shifted left a variable amount.
846 2006-04-18 Geoffrey Keating <geoffk@apple.com>
848 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
849 to hash table twice when the debug_str section has SECTION_MERGE.
851 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
853 * config/soft-fp: New directory. From glibc.
854 * config/soft-fp/t-softfp: New.
855 * config/soft-fp/README: New.
856 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
857 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
858 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
859 (LIBGCC_DEPS): Add $(SFP_MACHINE).
860 * config.gcc: Use rs6000/t-fprules-fpbit or
861 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
863 * config/rs6000/sfp-machine.h: New. Based on glibc.
864 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
866 * config/rs6000/t-fprules: Remove fp-bit rules.
867 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
868 * config/rs6000/t-linux64: Likewise. Remove duplicates from
869 LIB2FUNCS_EXTRA. Remove fp-bit rules.
870 (softfp_wrap_start, softfp_wrap_end): New.
872 2006-04-18 DJ Delorie <dj@redhat.com>
874 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
876 2006-04-18 Devang Patel <dpatel@apple.com>
878 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
880 2006-04-18 Nick Clifton <nickc@redhat.com>
882 * config/sh/t-symbian: Add rule to build sh-c.o
883 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
884 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
885 (sh_symbian_encode_section_info): Likewise.
887 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
889 * builtins.c (expand_builtin_strcmp): Cover label definition of
890 do_libcall with HAVE_cmpstrnsi.
892 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
894 * function.c (temp_slots_at_level, max_slot_level): Use VEC
896 * function.h (temp_slot_p): New.
897 (function): Change the type of x_used_temp_slots to
898 VEC(temp_slot_p,gc) *.
900 2006-04-18 Nick Clifton <nickc@redhat.com>
902 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
903 flag_strength_reduce.
905 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
907 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
911 Partial revert of revision 112637
912 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
913 Dale Johannesen <dalej@apple.com>
916 * regclass.c (struct reg_pref): Update documentation.
917 (regclass): Set prefclass to NO_REGS if memory is the best option.
918 (record_reg_classes): Cope with a prefclass set to NO_REGS.
920 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
922 PR tree-optimization/26821
923 * tree-ssa-math-opts.c (get_constant_one): New.
924 (insert_reciprocals): Use it.
926 2006-04-17 Geoffrey Keating <geoffk@apple.com>
928 * dwarf2out.c (free_AT): Delete.
929 (remove_AT): Update string ref counts.
930 (remove_child_TAG): Don't call free_die.
932 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
934 (prune_unused_types_walk_attribs): Reset string refcounts.
935 (prune_unused_types_update_strings): New.
936 (prune_unused_types_prune): Don't make unnecessary stores. Don't
937 call free_die. Do call prune_unused_types_update_strings.
938 (prune_unused_types): Empty debug_str_hash.
940 2006-04-17 Roger Sayle <roger@eyesopen.com>
942 * expr.c (expand_assignment): Optimize away no-op moves where the
943 source and destination are equal and have no side-effects.
945 2006-04-17 Richard Guenther <rguenther@suse.de>
948 * reload.c (push_reload): Guard calls to get_secondary_mem
951 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
953 * alias.c (reg_base_value, old_reg_base_value): Change the
954 type to VEC(rtx,gc) *.
955 (REG_BASE_VALUE, find_base_value, record_set,
956 init_alias_analysis): Use VEC instead of VARRAY.
958 * alias.c (alias_sets): Change the type to
959 VEC(alias_set_entry,gc) *.
960 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
961 VEC instead of VARRAY.
962 (last_alias_set): Remove.
964 * cgraph.h (cgraph_edge_p): New.
965 Update the prototype of cgraph_function_versioning.
966 * cgraphunit.c (cgraph_copy_node_for_versioning,
967 cgraph_function_versioning): Use VEC instead of VARRAY.
968 * ipa-cp.c (ipcp_insert_stage): Likewise.
970 2006-04-16 Roger Sayle <roger@eyesopen.com>
973 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
974 "A op B" or "A op C", we may need to convert A to the type of B and C.
976 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
978 * target.h (struct gcc_target): Add mode_rep_extended.
979 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
980 (init_num_sign_bit_copies_in_rep): Initialize it using
982 (truncate_to_mode): Use it.
983 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
984 * targhooks.h (default_mode_rep_extended): Declare it.
985 * targhooks.c (default_mode_rep_extended): Define it.
986 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
987 default_mode_rep_extended.
988 (TARGET_INITIALIZER): Include it.
989 * doc/tm.texi (Misc): Document it.
990 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
991 (mips_truncated_to_mode): New function.
993 2006-04-16 Roger Sayle <roger@eyesopen.com>
996 * expr.c (compress_float_constant): Copy the narrow constant into
997 a new pseudo before extending it to its final width.
999 2006-04-16 Roger Sayle <roger@eyesopen.com>
1000 Andrew Pinski <pinskia@gcc.gnu.org>
1001 Dale Johannesen <dalej@apple.com>
1004 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1005 special case code to implement V8HImode and V16QImode with SSE2.
1007 2006-04-15 Roger Sayle <roger@eyesopen.com>
1009 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1010 trees are constructed with a suitable tree type.
1012 2006-04-15 Roger Sayle <roger@eyesopen.com>
1014 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1015 (integer_onep): Likewise.
1016 (integer_all_onesp): Likewise.
1017 (integer_pow2p): Likewise.
1018 (integer_nonzerop): Likewise.
1019 (real_zerop): Likewise.
1020 (real_onep): Likewise.
1021 (real_twop): Likewise.
1022 (real_minus_onep): Likewise.
1023 (int_size_in_bytes): Likewise.
1024 (host_integerp): Likewise.
1026 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1028 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1029 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1030 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1032 * tree-ssa-structalias.h (alias_info): Remove num_references.
1034 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1036 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1037 (output_bvb patterns): Likewise.
1038 * pa.c (output_bb): Use 'bb' insn for long branch case.
1039 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1040 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1041 1. Correct length operand for alternatives 1 and 2.
1042 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1043 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1045 2006-04-14 Roger Sayle <roger@eyesopen.com>
1047 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1048 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1049 were accidentally reverted by r112959.
1051 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1054 * except.h (eh_region_outermost): New prototype.
1055 * except.c (eh_region_outermost): New function.
1056 * tree-cfg.c (find_outermost_region_in_block): Use it.
1058 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1060 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1062 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1063 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1064 (init_reload, reload): Use VEC instead of VARRAY.
1065 * reload.h: Update the prototype for
1066 reg_equiv_memory_loc_varray.
1068 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1069 Eric Botcazou <ebotcazou@libertysurf.fr>
1071 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1074 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1077 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1078 to expand fallback builtin function call.
1080 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1083 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1084 and emit libcall here in case the builtin fails.
1085 (expand_builtin_strcmp): Always emit the libcall here on failure.
1087 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1089 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1090 * flow.c (reg_n_info): Change the type to
1091 VEC(reg_info_p,heap) *.
1092 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1094 * regs.h (reg_info_p): New.
1095 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1096 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1097 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1100 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1102 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1104 * params.h (MAX_SCHED_READY_INSNS): New macro.
1105 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1106 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1107 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1108 the ready list for 1 cycle during the first scheduling pass.
1109 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1111 2006-04-13 Richard Henderson <rth@redhat.com>
1114 * gimple-low.c (lower_omp_directive): Remove dead code.
1115 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1116 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1117 * omp-low.c (struct omp_region): Move to tree-flow.h.
1118 (root_omp_region): Export.
1119 (omp_regions, lookup_omp_region): Remove.
1120 (determine_parallel_type): Update for struct omp_region changes.
1121 (dump_omp_region): Dump regions with block numbers.
1122 (new_omp_region): Take type and block instead of stmt; malloc
1124 (free_omp_region_1, free_omp_regions): New.
1125 (expand_parallel_call): Take entry_stmt as argument; update for
1126 changes to omp_region.
1127 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1128 (remove_exit_barriers): New.
1129 (expand_omp_parallel): Update for struct omp_region changes.
1130 (expand_omp_synch): Likewise.
1131 (expand_omp): Likewise.
1132 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1133 (expand_omp_for_static_chunk): Likewise.
1134 (expand_omp_for): Likewise.
1135 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1136 (expand_omp_sections): Similarly, with GOMP_sections_end.
1137 (expand_omp_single): New.
1138 (build_omp_regions_1): Update for OMP_CONTINUE.
1139 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1140 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1141 OMP_SECTIONS_SECTIONS.
1142 (lower_omp_single_simple): Don't emit barrier here.
1143 (lower_omp_single_copy): Likewise.
1144 (lower_omp_single): Fix bindings, and lower to straightline now.
1145 (lower_omp_master, lower_omp_ordered): Likewise.
1146 (lower_omp_critical): Likewise.
1147 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1148 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1149 omp edges, free it afterward.
1150 (make_omp_sections_edges): Remove.
1151 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1152 (move_stmt_r): Handle OMP_CONTINUE.
1153 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1154 statement pointers to basic blocks. Add type member.
1155 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1156 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1157 * tree-inline.c (estimate_num_insns_1): Likewise.
1158 * tree-pretty-print.c (dump_generic_node): Likewise.
1159 * tree-ssa-operands.c (get_expr_operands): Likewise.
1160 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1161 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1162 (OMP_CONTINUE): New.
1163 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1164 (OMP_SECTIONS_SECTIONS): Remove.
1165 (OMP_SECTION_LAST): New.
1166 (OMP_RETURN_NOWAIT): New.
1168 2006-04-13 Roger Sayle <roger@eyesopen.com>
1170 * fold-const.c (native_encode_vector, native_interpret_real):
1171 Correct obvious mistakes in the previous check-in.
1173 2006-04-13 Roger Sayle <roger@eyesopen.com>
1175 * fold-const.c (native_encode_expr): New function to encode
1176 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1177 or VECTOR_CST into a specified buffer.
1178 (native_encode_int): New function.
1179 (native_encode_real): New function.
1180 (native_encode_complex): New function.
1181 (native_encode_vector): New function.
1182 (native_interpret_expr): Inverse of native_encode_expr to convert
1183 a target representation into an INTEGER_CST, REAL_CST etc...
1184 (native_interpret_int): New function.
1185 (native_interpret_real): New function.
1186 (native_interpret_complex): New function.
1187 (native_interpret_vector): New function.
1188 (fold_view_convert_expr): New function to constant fold/evaluate
1189 a VIEW_CONVERT_EXPR of a suitable constant expression.
1190 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1191 Change call of build1 to fold_build1 when constructing a
1194 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1195 Ulrich Weigand <uweigand@de.ibm.com>
1198 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1201 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1204 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1205 optimize to lo_sum for DFmode if !TARGET_FPRS.
1207 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1209 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1210 delete_alias_info, compute_flow_sensitive_aliasing,
1211 group_aliases): Use VEC instead of VARRAY.
1212 * tree-ssa-structalias.c (update_alias_info): Likewise.
1213 * tree-ssa-structalias.h (alias_info): Change the type of
1214 processed_ptrs to VEC(tree,heap) *.
1216 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1219 * config/sh/lib1funcs.h: New file, broken out of:
1220 * config/sh/lib1funcs.asm.
1221 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1223 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1224 * config/sh/lib1funcs-Os-4-200.asm: New file.
1225 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1226 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1227 (EXTRA_MULTILIB_PARTS): Include it.
1228 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1229 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1230 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1231 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1234 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1236 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1237 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1238 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1240 * tree-ssa-live.h: Include vecprim.h.
1241 (tree_partition_associator_d): Change the type of
1242 first_partition to VEC(int,heap) *.
1243 (tpa_first_partition): Use VEC instead of VARRAY.
1245 * Makefile.in (GTFILES): Move functions.h after tree.h.
1246 * function.c (reset_block_changes, record_block_change,
1247 check_block_change, free_block_changes): Use VEC instead of
1249 * function.h (function): Change the type of
1250 ib_boundaries_block to VEC(tree,gc) *.
1251 * tree-inline.c (copy_cfg_body): Initialize
1252 ib_boundaries_block to NULL instead of (varray_type) 0.
1254 2006-04-12 Roger Sayle <roger@eyesopen.com>
1256 * expr.c (emit_group_store): Correct operand order in call to
1257 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1258 a SUBREG_BYTE of zero.
1260 2006-04-12 Richard Guenther <rguenther@suse.de>
1262 * profile.c (compute_branch_probabilities): Remove code
1263 encapsulated in !ir_type (), which are remanents of the
1264 removed RTL profiling code.
1265 * rtl-profile.c: Remove.
1267 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1269 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1270 magic NULL_RTX comment.
1271 (function_arg): Store entire fp arg to mem if any part should go
1273 (rs6000_arg_partial_bytes): Adjust for above change.
1275 2006-04-11 Roger Sayle <roger@eyesopen.com>
1277 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1278 if it hasn't been initialized by dwarf2out_init.
1280 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1282 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1283 symbolic constants in branch patterns.
1285 2006-04-11 Roger Sayle <roger@eyesopen.com>
1287 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1289 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1291 PR rtl-optimization/27073
1292 * gcse.c (try_replace_reg): Revert last change. Continue to search
1293 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1296 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1298 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1299 aggregate types other than record and union types.
1300 (function_arg): Likewise.
1301 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1303 (function_value): In 64-bit mode, return objects that require it
1306 2006-04-11 Roger Sayle <roger@eyesopen.com>
1308 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1310 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1312 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1314 2006-04-03 Jeff Law <law@redhat.com>
1317 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1318 alias information too.
1320 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1322 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1324 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1327 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1328 (premark_used_types_helper): New.
1329 (premark_used_types): New.
1330 (gen_subprogram_die): Call premark_used_types.
1331 (prune_unused_types_walk): Do not prune perennial dies.
1332 * function.c (used_types_insert): New.
1333 * function.h (struct function): Add used_types_hash field.
1334 (used_types_insert): Add prototype.
1335 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1336 * c-parser.c (c_parser_cast_expression): Save casted types in used
1339 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1342 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1343 rs6000_explicit_options.float_gprs.
1345 2006-04-10 Roger Sayle <roger@eyesopen.com>
1347 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1348 from ix86_expand_vector_init_low_nonzero. Take an additional
1349 one_var argument indicating which element is non-zero. Support
1350 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1351 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1352 with one_var instead of ix86_expand_vector_init_low_nonzero.
1354 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1356 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1357 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1358 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1359 build/genextract.o): Depend on vecprim.h.
1360 * cfglayout.c, df-problems.c, function.c, genextract.c,
1361 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1362 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1366 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1368 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1369 Declare VECs of this type.
1370 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1371 (remove_children): Delete.
1372 (add_dwarf_attr): Use VEC routines.
1373 (add_AT_flag): Update for changes to add_dwarf_attr.
1374 (add_AT_int): Likewise.
1375 (add_AT_unsigned): Likewise.
1376 (add_AT_long_long): Likewise.
1377 (add_AT_vec): Likewise.
1378 (add_AT_string): Likewise.
1379 (add_AT_die_ref): Likewise.
1380 (add_AT_fde_ref): Likewise.
1381 (add_AT_loc): Likewise.
1382 (add_AT_loc_list): Likewise.
1383 (add_AT_addr): Likewise.
1384 (add_AT_lbl_id): Likewise.
1385 (add_AT_lineptr): Likewise.
1386 (add_AT_macptr): Likewise.
1387 (add_AT_offset): Likewise.
1388 (add_AT_range_list): Likewise.
1389 (get_AT): Use VEC_iterate.
1390 (remove_AT): Use VEC_ordered_remove.
1391 (free_die): Fold remove_children into here; have it use VEC_iterate.
1392 (print_die): Use VEC_iterate on attrs.
1393 (reverse_die_lists): Don't reverse attr lists.
1394 (die_checksum): Use VEC_iterate on attrs.
1395 (same_die_p): Likewise.
1396 (output_location_lists): Likewise.
1397 (build_abbrev_table): Likewise.
1398 (size_of_die): Likewise.
1399 (unmark_all_dies): Likewise.
1400 (output_abbrev_section): Likewise.
1401 (output_die): Likewise.
1402 (prune_unused_types_walk_attribs): Likewise.
1404 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1406 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1408 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1411 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1413 2006-04-09 Roger Sayle <roger@eyesopen.com>
1415 * expr.c (store_constructor): Don't bother clearing target if
1416 we're about to assign a vector to it using vec_init_optab.
1418 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1420 * tree-ssa-alias.c (lhs_may_store_to): New function.
1421 (recalculate_used_alone): Handle LHS of calls.
1423 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1427 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1428 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1429 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1430 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1431 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1432 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1433 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1434 stubs. Add ".align 8" directives before all ".dword" directives.
1435 (GTHREAD_USE_WEAK): Revise comment.
1436 (TARGET_ATTRIBUTE_WEAK): Define.
1437 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1438 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1439 * stublib.c: New file.
1444 * pa.md (cbranch patterns): Revise arguments used in calls to
1445 output_cbranch, output_bb and output_bvd. Add long branch length
1447 (fbranch patterns): Handle long branches.
1448 (jump): Revise length check. Revise arguments for output_lbranch call.
1449 Add long branch length attributes.
1450 (decrement_and_branch_until_zero): Add long branch length attributes.
1451 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1452 Likewise. Revise arguments for output_parallel_addb and
1453 output_parallel_movb calls.
1454 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1455 output_parallel_movb and output_parallel_addb): Update prototypes.
1456 * pa.c (output_cbranch): Revise arguments. Correct handling of
1457 nullification in long branches.
1458 (output_lbranch): Add new argument to control extraction of delay
1460 (output_bb): Handle long branches.
1461 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1462 output_parallel_addb): Likewise.
1464 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1466 PR rtl-optimization/27073
1467 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1470 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1472 * tree.h (tree_memory_tag): Add old_used_alone.
1473 (SMT_OLD_USED_ALONE): New macro.
1474 * tree-ssa-alias.c (recalculate_used_alone): Stop
1475 marking things for renaming unnecessarily.
1477 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1479 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1480 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1481 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1482 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1483 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1484 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1485 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1486 spelling convensions.
1487 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1488 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1489 typos. Follow spelling conventions.
1491 2006-04-07 DJ Delorie <dj@redhat.com>
1493 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1494 passed on the stack.
1495 (m32c_init_cumulative_args): When a function returns a structure,
1496 always pass the pointer to that return area on the stack.
1497 (m32c_function_arg_advance): Don't increment the parameter number
1498 if we're processing the returned structure pointer.
1499 (pushm_info): Reverse order of registers.
1501 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1503 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1504 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1505 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1506 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1508 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1509 chrec_fold_multiply): Same.
1510 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1511 force_expr_to_var_cost): Same.
1512 * tree-mudflap.c (mf_xform_derefs_1): Same.
1513 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1515 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1517 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1518 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1521 2006-04-07 Jan Hubicka <jh@suse.cz>
1523 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1525 2006-04-07 Richard Guenther <rguenther@suse.de>
1527 PR tree-optimization/26135
1528 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1529 loads for store copy-prop.
1530 (copy_prop_visit_stmt): Likewise.
1532 2006-04-05 Robert Millan <robertmh@gnu.org>
1534 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1535 being overriden in config/k*bsd-gnu.h.
1536 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1538 * gcc/config/knetbsd-gnu.h: Ditto.
1540 2006-04-06 Jan Hubicka <jh@suse.cz>
1544 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1547 2006-04-06 Mike Stump <mrs@apple.com>
1549 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1550 for HAVE_nonlocal_goto to be consistent.
1551 (expand_builtin_nonlocal_goto): Likewise.
1552 (expand_builtin_strcmp): Use #ifdef instead of #if
1553 for HAVE_cmpstrnsi to be consistent.
1555 2006-04-05 DJ Delorie <dj@redhat.com>
1557 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1560 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1562 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1563 got-relative addressing for anything but SImode.
1565 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1566 even if the calling function doesn't modify them.
1568 2006-04-05 Richard Guenther <rguenther@suse.de>
1570 PR tree-optimization/26919
1571 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1572 to cgraph_estimate_size_after_inlining.
1574 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1576 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1578 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1580 PR tree-optimization/26996
1581 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1582 VECTOR_TYPE variables.
1584 2006-04-05 Richard Guenther <rguenther@suse.de>
1586 PR tree-optimization/26763
1587 * fold-const.c (fold_comparison): Move folding of
1588 PTR + CST CMP PTR + CST ...
1589 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1591 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1593 * doc/install.texi (Prerequisites): Refine some wording on
1594 bootstrapping and ksh.
1595 Move the version numbers of DejaGnu here from the testing section
1596 and fix casing of names.
1597 Fix markup and clarify wording for autogen requirements.
1598 Refer to GCJ instead of just java.
1599 Refer to SVN instead of CVS.
1600 Describe diffutils as useful instead of necessary.
1601 (Downloading the source): Refer to SVN instead of CVS.
1602 Adjust a link to our web site accordingly.
1603 (Configuration): Fix casing of Bison.
1604 (Building): Refer to SVN instead of CVS.
1605 Fix a sentence on the use of Bison and remove duplicate (and
1606 incorrect) version number of Bison requirement.
1607 Remove one redundant list of packages needed for building.
1608 (Specific): Avoid reference to CVS.
1610 2006-04-04 Eric Christopher <echristo@apple.com>
1612 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1613 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1614 (rs6000_handle_struct_attribute): New.
1615 (rs6000_ms_bitfield_layout_p): Ditto.
1617 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1619 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1620 NULL for dso parameter to atexit_common.
1622 2006-04-04 Eric Christopher <echristo@apple.com>
1624 * config/i386/i386.c (machopic_output_stub): Output \t
1625 between instructions and operands.
1627 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1629 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1630 satisfies_constraint_[IL] to explicit tests on value.
1632 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1634 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1635 set_nb_iterations_in_loop): Use build_int_cst instead of
1637 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1638 build_int_cst instead of convert.
1640 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1642 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1643 new value 2 for incoming.
1644 * function.c (expand_function_start): Call struct_value_rtx
1646 * config/sparc/sparc.md: Comment updated_return.
1647 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1648 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1649 struct return if sparc_std_struct_return and incoming is 2.
1650 (print_operand): Do not adjust return if
1651 sparc_std_struct_return.
1653 2006-04-04 Roger Sayle <roger@eyesopen.com>
1655 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1656 convert in the middle-end.
1657 * expr.c (store_expr, store_constructor, get_inner_reference,
1658 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1660 * tree.c (build_range_type): Likewise.
1662 2006-04-04 Tom Tromey <tromey@redhat.com>
1664 * doc/install.texi (Prerequisites): Mention jar.
1666 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1668 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1671 2006-04-04 Matthias Klose <doko@debian.org>
1673 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1674 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1677 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1679 * doc/extend.texi (Function Attributes): Rewrite visibility
1680 attribute documentation.
1681 * doc/invoke.texi (C++ Dialect Options): Rewrite
1682 -fvisibility-inlines-hidden documentation to describe something
1683 entirely different, although in practise compatible.
1684 (Code Gen Options): Warn about system headers in -fvisibiltity=
1687 * doc/extend.texi (Other Builtins): Document that
1688 __builtin_nan is a compile-time constant only when its argument
1691 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1693 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1694 trying to remove TRUNCATE check if all bits outside the new mode
1695 are identical to the sign bit.
1697 2006-04-03 Jeff Law <law@redhat.com>
1699 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1700 and operand scanning in some common cases.
1702 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1703 Dale Johannesen <dalej@apple.com>
1706 * regclass.c (struct reg_pref): Update documentation.
1707 (regclass): Set prefclass to NO_REGS if memory is the best option.
1708 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1709 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1710 into account. For non-registers, equate an empty preferred
1711 reload class to a `!' in the constraint; move the if clause to
1712 do so after those that reject the insn.
1713 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1715 (find_dummy_reload): Likewise.
1716 * doc/tm.texi (Register Classes): Document what it means
1717 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1718 * config/i386/i386.c (ix86_preferred_reload_class): Force
1719 using SSE registers (and return NO_REGS for floating-point
1720 constants) if math is done with SSE.
1721 (ix86_preferred_output_reload_class): New.
1722 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1723 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1724 * config/i386/i386.md: Remove # register preferences.
1726 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1729 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1730 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1731 the type of nb_iter.
1732 (instantiate_parameters_1): Convert the operands before calling
1733 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1734 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1736 2006-04-02 Roger Sayle <roger@eyesopen.com>
1738 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1739 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1741 * dojump.c (do_jump): Likewise.
1742 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1743 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1744 gimplify_boolean_expr): Likewise.
1745 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1746 * varasm.c (array_size_for_constructor): Likewise.
1747 * tree-object-size.c (compute_object_offset): Likewise.
1749 2006-04-02 Roger Sayle <roger@eyesopen.com>
1752 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1753 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1755 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1757 PR tree-optimization/26939
1758 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1760 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1762 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1763 at_stmt. Convert the type of operands before calling
1764 build_polynomial_chrec.
1765 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1767 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1768 (instantiate_parameters_1): Convert the type of operands before calling
1769 build_polynomial_chrec.
1770 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1771 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1772 reset_evolution_in_loop): Insert asserts to check the types of the
1774 (chrec_type): Moved...
1775 (eq_evolutions_p): Use operand_equal_p.
1776 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1777 the types of the operands.
1778 (chrec_type): ...here.
1779 * tree-data-ref.c (create_data_ref): Convert the operands before
1780 calling chrec_replace_initial_condition.
1781 (same_access_functions, analyze_subscript_affine_affine,
1782 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1783 (compute_subscript_distance, analyze_ziv_subscript,
1784 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1785 analyze_miv_subscript): Convert the operands before calling
1786 chrec_fold_minus or chrec_fold_plus.
1788 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1790 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1791 the dependence_relations vector.
1792 (compute_data_dependences_for_loop): Adjust call to
1793 compute_all_dependences.
1795 2006-04-01 Roger Sayle <roger@eyesopen.com>
1796 Richard Henderson <rth@redhat.com>
1798 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1799 gimple_boolify on the condition before calling gimplify_expr.
1801 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1803 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1804 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1805 the frame size. Update to use the new macros.
1806 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1807 * config/xtensa/ieee754-df.S: Likewise.
1809 2006-03-31 Richard Henderson <rth@redhat.com>
1811 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1812 (make_edges): ... here. Control fallthru creation with a local
1813 variable. Do not play with fake edges.
1814 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1815 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1818 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1820 * dwarf2.h (DW64_CIE_ID): Define.
1821 * dwarf2out.c (DWARF_CIE_ID): Define.
1822 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1823 length header. Use DWARF_CIE_ID.
1824 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1825 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1827 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1829 * config/sh/linux-atomic.asm: New file.
1830 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1832 2006-03-31 DJ Delorie <dj@redhat.com>
1834 * config/m32c/cond.md: Set condition flags properly throughout.
1835 * config/m32c/minmax.md: Likewise.
1836 * config/m32c/prologue.md: Likewise.
1837 * config/m32c/bitops.md: Likewise.
1838 * config/m32c/muldiv.md: Likewise.
1839 * config/m32c/mov.md: Likewise.
1840 * config/m32c/addsub.md: Likewise.
1841 * config/m32c/m32c.md: Likewise.
1842 * config/m32c/jump.md: Likewise.
1843 * config/m32c/shift.md: Likewise.
1845 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1846 conditionally output the pattern for this.
1847 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1848 (m32c_compare_redundant): New.
1849 (m32c_output_compare): New.
1850 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1852 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1853 dest, not src. Allow other 4-byte modes.
1855 2006-03-30 Denis Chertykov <denisc@overta.ru>
1857 * doc/md.texi: Refer to avr/constraints.md instead of
1860 2006-03-30 Roger Sayle <roger@eyesopen.com>
1862 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1863 signed vs. unsigned comparison failures on some hosts.
1865 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1868 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1869 change to FLOAT_REGS.
1871 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1872 (rs6000_override_options): Use it.
1873 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1874 only for -mabi=spe/no-spe and -mabi=altivec.
1876 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1878 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1881 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1883 * Makefile.in: Rename docdir to gcc_docdir.
1885 2006-03-30 Roger Sayle <roger@eyesopen.com>
1888 * expr.c (emit_group_store): Optimize group stores into a pseudo
1889 register by using a paradoxical subreg to initialize the destination
1890 if the first or last member of the group specifies a "low part".
1892 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1895 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1896 * target.h (struct gcc_target.speculate_insn): Change type of the
1897 second parameter to 'int'.
1898 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1899 the second operand of the DEPS_LIST.
1900 (copy_DEPS_LIST_list): Update reference to the second operand of the
1902 * rtl.h (alloc_DEPS_LIST): Update signature.
1903 * sched-int.h (ds_t): Change typedef to 'int'.
1904 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1906 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1908 * haifa-sched.c (try_ready): Change condition to restore
1909 non-speculative pattern of the instruction.
1910 (process_insn_depend_be_in_spec): Code to keep probability of the
1911 speculative dependence non-decreasing.
1913 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1915 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1916 (single_move_for_movmem): ... this. Also change all uses.
1917 (bfin_expand_strmov): Renamed to...
1918 (bfin_expand_movmem): ... this. Also change all uses.
1919 * config/bfin/bfin.md (movstrsi): Renamed to...
1920 (movstrsi): ...this.
1922 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1924 PR tree-optimization/26830
1926 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1927 (copy_prop_visit_stmt): Remove write-only variable ann.
1928 (init_copy_prop): Check variable loop depth here. Do not simulate
1929 memory-tag and virtual operand PHIs except for store copy prop.
1931 2006-03-30 Richard Guenther <rguenther@suse.de>
1933 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1934 variants with double arguments.
1936 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1938 * genpreds.c (write_tm_constrs_h): Delete variable p.
1939 * genconditions.c (write_header): Add tm-constrs.h to included
1941 * genpeep.c (main): Add toplev.h to included headers.
1942 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1943 (build/genpeep.o): Add toplev.h dependency.
1944 * config/rs6000/constraints.md: Add "W" constraint.
1946 2006-03-29 Roger Sayle <roger@eyesopen.com>
1948 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1949 sizes by correctly testing whether the size fits a host integer.
1950 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1951 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1952 SImode range for the default sizetype and bitsizetype.
1954 2006-03-29 Roger Sayle <roger@eyesopen.com>
1956 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1957 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1958 quickly if the argument is already of the correct type.
1959 Call fold_build1 instead of build1. Tidy up blank lines.
1961 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1963 * genemit.c (main): Add tm-constrs.h to included headers.
1964 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1965 * genpeep.c (main): Add tm-constrs.h to included headers.
1966 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1967 (write_tm_constrs_h): this and write complete file.
1968 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1969 (write_insn_preds_c): Add tm-constrs.h to included headers.
1970 (gen_constrs): New variable.
1971 (parse_option): Parse "-c".
1972 (main): Invoke write_tm_constrs_h.
1973 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1974 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1975 (object_out_file): Add tm-constrs.h dependency.
1976 (insn-emit.o): Same.
1977 (insn-output.o): Same.
1978 (insn-peep.o): Same.
1979 (insn-preds.o): Same.
1980 (insn-recog.o): Same.
1981 (tm-constsr.h): New target.
1982 (s-constrs-h): New target.
1984 * config/rs6000/constraints.md: New file.
1985 * config/rs6000/rs6000.c: Include tm-constrs.h.
1986 (num_insn_constant_wide): Convert to satisfies_constraint.
1987 (rs6000_rtx_costs): Convert to satisfies_constraint.
1988 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1989 (CONST_OK_FOR_LETTER_P): Delete.
1990 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1991 (EXTRA_CONSTRAINT): Delete.
1992 (EXTRA_MEMORY_CONSTRAINT): Delete.
1993 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1994 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1995 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1996 satisfies_constraint.
1998 * config/i386/i386.c: Include tm-constrs.h.
2000 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2002 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2003 * tree-data-ref.c (find_data_references_in_loop,
2004 compute_data_dependences_for_loop): Use pointers to VEC.
2005 (analyze_all_data_dependences): Adjust calls.
2006 * tree-data-ref.h (find_data_references_in_loop,
2007 compute_data_dependences_for_loop): Adjust declarations.
2008 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2009 compute_data_dependences_for_loop.
2011 2006-03-29 Paul Brook <paul@codesourcery.com>
2013 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2016 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2018 PR tree-optimization/26859
2019 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2021 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2022 for the step after fold_convert.
2024 2006-03-29 Paul Brook <paul@codesourcery.com>
2026 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2027 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2029 2006-03-29 Paul Brook <paul@codesourcery.com>
2032 * targhooks.c (default_narrow_bitfield): New fuction.
2033 * targhooks.h (default_narrow_bitfield): add prototype.
2034 * target.h (gcc_target): Add narrow_volatile_bitfield.
2035 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2036 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2037 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2038 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2040 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2042 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2044 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2045 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2046 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2047 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2048 (s390_function_arg_float): Allow SDmode and DDmode values to be
2049 passed in floating point registers.
2050 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2051 check with SCALAR_FLOAT_MODE_P.
2052 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2054 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2056 PR tree-optimization/25985
2057 * tree-ssa-loop-niter.c (number_of_iterations_le,
2058 number_of_iterations_ne): Make comments more precise.
2059 (number_of_iterations_cond): Add only_exit argument. Use the
2060 fact that signed variables do not overflow only when only_exit
2062 (loop_only_exit_p): New.
2063 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2064 number_of_iterations_cond.
2066 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2068 PR tree-optimization/26643
2069 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2072 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2074 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2075 (divsi3_i4_int): Likewise.
2077 2006-03-28 Roger Sayle <roger@eyesopen.com>
2079 * expr.c (emit_group_store): Only create a new pseudo reg if the
2080 quantity it needs to hold isn't already a suitable pseudo.
2082 2006-03-28 Jeff Law <law@redhat.com>
2084 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2085 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2087 2006-03-28 Roger Sayle <roger@eyesopen.com>
2089 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2090 the equivalent ~X & Y, and the symmetry related transformations.
2091 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2092 ~X & Y, and symmetry related transforms.
2094 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2096 Revert my 2006-03-27 patches.
2098 2006-03-28 Roger Sayle <roger@eyesopen.com>
2100 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2101 ~(T1)X, when T1 and T2 are integer types of the same precision
2102 and (T2)X isn't an extension.
2104 2006-03-28 Jeff Law <law@redhat.com>
2106 PR tree-optimization/26796
2107 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2108 need EH edge cleanups rather than purging them immediately.
2109 (eliminate_degenerate_phis): Handle queued EH cleanups.
2111 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2113 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2116 2006-03-27 Roger Sayle <roger@eyesopen.com>
2119 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2120 cast BIT_NOT_EXPR operand to the correct type.
2122 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2124 * tree-loop-linear.c: Don't include varray.h.
2125 (gather_interchange_stats, try_interchange_loops,
2126 linear_transform_loops): Use VEC instead of VARRAY.
2127 * lambda-mat.c: Don't include varray.h.
2128 * tree-chrec.c: Same.
2129 * lambda-trans.c: Same.
2130 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2131 VEC instead of VARRAY.
2132 * tree-vectorizer.h: Idem.
2133 * tree-data-ref.c (dump_data_references,
2134 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2135 initialize_data_dependence_relation, finalize_ddr_dependent,
2136 compute_all_dependences, find_data_references_in_loop,
2137 compute_data_dependences_for_loop, analyze_all_data_dependences,
2138 free_dependence_relation, free_dependence_relations,
2139 free_data_refs): Idem.
2140 * tree-data-ref.h (data_reference_p, subscript_p): New.
2141 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2142 VEC instead of VARRAY.
2143 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2144 (find_data_references_in_loop, compute_data_dependences_for_loop,
2145 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2146 dump_data_dependence_relations, free_dependence_relations,
2147 free_data_refs): Adjust declaration.
2148 (lambda_transform_legal_p): Move declaration here...
2149 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2150 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2151 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2152 vect_analyze_data_refs): Use VEC instead of VARRAY.
2153 * lambda.h (lambda_transform_legal_p): ...from here.
2154 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2155 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2156 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2157 tree-chrec.o): Don't depend on VARRAY_H.
2159 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2161 * rtl.def (Copyright): Update date.
2162 (DEPS_LIST): Change type of the second operand to 'int'.
2163 * target.h (Copyright): Update date.
2164 (struct gcc_target.speculate_insn): Change type of the second parameter
2166 * lists.c (Copyright): Update date.
2167 (alloc_DEPS_LIST): Change signature. Update reference to the second
2168 operand of the DEPS_LIST.
2169 (copy_DEPS_LIST_list): Update reference to the second operand of the
2171 * rtl.h (Copyright): Update date.
2172 (alloc_DEPS_LIST): Update signature.
2173 * sched-int.h (Copyright): Update date.
2174 (ds_t): Change typedef to 'int'.
2175 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2177 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2179 * haifa-sched.c (Copyright): Update date.
2180 (try_ready): Change condition to restore non-speculative pattern
2182 (process_insn_depend_be_in_spec): Code to keep probability of the
2183 speculative dependence non-decreasing.
2185 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2187 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2188 shut up the compiler.
2190 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2192 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2193 to use lib prefix for target.
2194 ($(T)libic_invalidate_array_4-200.a): Likewise.
2195 ($(T)libic_invalidate_array_4a.a): Likewise.
2197 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2198 J"orn Rennecke <joern.rennecke@st.com>
2200 * superh.opt: New file.
2201 * sh.c (boardtype, osruntime): Remove.
2202 * superh.h (SUBTARGET_OPTIONS): Remove.
2203 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2205 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2206 arguments with ^ and/or [].
2208 * config.gcc (sh-*-*): Add quoting to account for quirk of
2210 Replace == with = in enable_incomplete_targets test.
2212 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2213 with MASK_LITTLE_ENDIAN.
2215 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2216 * config/sh/sh.opt: Added to some comments.
2217 * config/sh/superh.h: Removed some chaff.
2219 * config/sh/sh.opt: Add m4-[1234]00* options.
2220 * config/sh/sh.c (sh_handle_option): Likewise.
2221 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2222 (ic_invalidate_array_4-100.o): New rule.
2223 ($(T)libic_invalidate_array_4-100.a): Likewise.
2224 (ic_invalidate_array_4-200.o): Likewise.
2225 ($(T)libic_invalidate_array_4-200.a): Likewise.
2226 (ic_invalidate_array_4a.o): Likewise.
2227 ($(T)libic_invalidate_array_4a.a): Likewise.
2228 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2229 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2231 * config/sh/crt1.asm: Merged in profiling code.
2232 * config/sh/superh.h (STARTFILE_SPEC): Override.
2233 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2234 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2235 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2237 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2238 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2239 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2241 * sh.opt (mpretend-cmove): New option.
2242 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2243 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2244 (movsicc): Add TARGET_PRETEND_CMOVE code.
2246 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2248 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2249 s390_class_max_nregs): New function prototypes.
2250 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2251 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2252 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2253 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2255 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2257 * dwarf2out.c (add_location_or_const_value_attribute): Call
2258 tree_add_const_value_attribute if nothing else works.
2259 (reference_to_unused): New.
2260 (rtl_for_decl_init): Use reference_to_unused to decide whether
2261 to output an initializer.
2263 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2266 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2267 peephole removing spe frob_di_df_2.
2269 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2271 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2272 (subscript_dependence_tester_1): Declared.
2273 (print_dir_vectors, print_dist_vectors): New.
2274 (debug_data_dependence_relation): New.
2275 (dump_data_dependence_relation): Print more details.
2276 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2277 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2278 (save_dist_v, save_dir_v, add_outer_distances,
2279 build_classic_dist_vector_1): New.
2280 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2281 Don't test for lambda_vector_lexico_pos.
2282 (same_access_functions, add_multivariate_self_dist,
2283 add_other_self_distances, dir_from_dist): New.
2284 (build_classic_dir_vector): Replace implementation almost identical to
2285 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2287 (subscript_dependence_tester_1): New.
2288 (subscript_dependence_tester): Handle the lexicographically negative
2289 distance vectors by recomputing the dependence relation.
2290 (compute_affine_dependence): Remove parameter loop_nest_depth.
2291 (compute_self_dependence): Don't call compute_subscript_distance.
2292 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2293 Add a parameter for the loop_nest.
2294 (find_loop_nest_1, find_loop_nest): New.
2295 (compute_data_dependences_for_loop): Compute the loop nest, and give
2296 up if the nest is not well formed.
2297 * tree-data-ref.h (loop_p): New.
2298 (struct data_dependence_relation): Replace size_vect field with
2299 loop_nest, a vec of loops.
2300 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2301 (DDR_LOOP_NEST): New.
2302 (print_dir_vectors, print_dist_vectors,
2303 debug_data_dependence_relation): Declared.
2304 (index_in_loop_nest): New.
2305 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2306 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2309 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2311 * simplify-rtx.c (simplify_relational_operation): Call
2312 simplify_relational_operation_1 even if mode is VOIDmode.
2314 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2316 PR tree-optimization/26804
2317 * tree.h (DECL_CALL_CLOBBERED): New macro.
2318 (tree_decl_common): Add call_clobbered_flag.
2319 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2320 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2321 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2322 (mark_non_addressable): Ditto.
2323 * tree-ssa.c (verify_call_clobbered): New function.
2324 (verify_alias_info): Use it.
2325 * tree-pass.h (pass_reset_cc_flags): New prototype.
2326 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2327 (reset_cc_flags): New function.
2328 * passes.c (init_optimization_passes): Call reset_cc_flags after
2329 initializing referenced_vars.
2331 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2332 Roger Sayle <roger@eyesopen.com>
2335 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2336 to 1.0 for non-real operands. Implement A / A optimization for
2339 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2341 * config/i386/i386.c (size_cost): Correct the comment for
2342 cost of storing fp registers.
2343 (i386_cost): Likewise.
2344 (i486_cost): Likewise.
2345 (pentium_cost): Likewise.
2346 (pentiumpro_cost): Likewise.
2347 (k6_cost): Likewise.
2348 (athlon_cost): Likewise.
2349 (k8_cost): Likewise.
2350 (pentium4_cost): Likewise.
2351 (nocona_cost): Likewise.
2352 (generic64_cost): Likewise.
2353 (generic32_cost): Likewise.
2355 2006-03-24 Denis Chertykov <denisc@overta.ru>
2357 * config/avr/avr-protos.h (extra_constraint): Delete.
2358 (extra_constraint_Q): New declaration.
2359 * config/avr/constraints.md: New file.
2360 * config/avr/avr.md: Include it.
2361 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2362 (TMP_REGNO, ZERO_REGNO): Likewise.
2363 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2364 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2365 (extra_constraint): Delete.
2366 (extra_constraint_Q): Test for memory constraint 'Q'.
2367 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2368 (REG_CLASS_FROM_LETTER): Delete.
2369 (CONST_OK_FOR_LETTER_P): Delete.
2370 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2371 (EXTRA_CONSTRAINT): Delete.
2372 (TMP_REGNO): Delete.
2373 (ZERO_REGNO): Delete.
2375 2006-03-24 Jeff Law <law@redhat.com>
2377 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2378 directly. Call mark_new_vars_to_rename slightly earlier.
2380 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2382 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2384 (gen_compile_unit_die): Use new language types for Objective-C and
2386 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2387 DW_LANG_C_plus_plus.
2390 * config/t-darwin (crt3.o): Work around bug 26840.
2391 * config/darwin-crt3.c: Rewrite.
2392 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2394 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2396 * doc/invoke.texi: Document -femit-class-debug-always
2397 * common.opt: Add -femit-class-debug-always.
2399 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2401 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2402 index and base register.
2403 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2404 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2405 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2406 REGNO_OK_FOR_INDEX_P.
2407 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2409 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2410 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2411 REG_OK_FOR_BASE_P): Definitions removed.
2413 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2416 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2417 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2418 set yet or weren't marked as local yet.
2420 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2422 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2425 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2427 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2428 (rs6000_legitimate_small_data_p): Delete.
2429 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2430 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2431 and make static. Add forward declaration. Update uses.
2432 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2433 of offsettable_memref_p.
2434 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2435 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2437 2006-03-24 Jeff Law <law@redhat.com>
2439 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2440 around bug in immediate-use iterator.
2442 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2445 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2446 or __LITTLE_ENDIAN__.
2448 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2450 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2451 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2452 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2453 * config/sh/sh.opt (mdiv=): Amend description.
2454 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2455 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2456 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2457 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2458 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2459 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2460 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2461 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2462 TARGET_DIVIDE_CALL_FP.
2464 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2466 * haifa-sched.c (choose_ready): Fix type of the local variable.
2467 Move local variables. Add comment.
2468 (check_reg_live): Change signature. Make callable from debugger.
2469 * sched-int.h (check_reg_live): Update signature.
2470 * sched-ebb.c (check_reg_live): Update parameters.
2471 * sched-rgn.c (check_reg_live): Ditto.
2472 (region_head_or_leaf_p): Check pointer before dereferencing.
2473 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2474 before reload on optimization levels below 1.
2476 2006-03-23 Richard Henderson <rth@redhat.com>
2478 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2482 * config/alpha/predicates.md (local_symbolic_operand): Reject
2485 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2488 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2489 expressions which have overflowed constants.
2491 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2493 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2495 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2497 * cfgloopmanip.c (create_loop_notes): Removed.
2498 * final.c (final_scan_insn): Do not handle loop notes.
2499 * jump.c (squeeze_notes): Ditto.
2500 * cfglayout.c (skip_insns_after_block,
2501 duplicate_insn_chain): Ditto.
2502 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2504 * cfgloop.h (create_loop_notes): Declaration removed.
2506 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2508 * varasm.c (output_constant_pool): Restore fnname and fndecl
2510 (assemble_start_function): Adjust call accordingly.
2511 (assemble_end_function): Likewise.
2513 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2516 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2519 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2521 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2524 * system.h (ICE_EXIT_CODE): New macro.
2525 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2526 (diagnostic_action_after_output): Likewise.
2527 * gcc.c (fatal_ice): New function.
2528 (execute): Use it instead of fatal.
2529 (fancy_abort): Likewise.
2530 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2532 2006-03-22 Jeff Law <law@redhat.com>
2534 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2535 iv_analyze_result returning false.
2537 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2539 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2541 2006-03-22 Richard Henderson <rth@redhat.com>
2544 * except.c (duplicate_eh_regions_0): New.
2545 (duplicate_eh_region_1): Duplicate the children of the node as
2546 well as the node itself. Link them up properly.
2547 (duplicate_eh_region_2): Merge into ...
2548 (duplicate_eh_regions): ... here. Take copy_region argument, and
2549 copy only a sub-tree if asked. Simplify copying and fixup.
2550 (eh_region_outer_p): New.
2551 * except.h (duplicate_eh_regions): Update decl.
2552 (eh_region_outer_p): Declare.
2553 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2554 (lower_omp_master): Likewise.
2555 (lower_omp_ordered): Likewise.
2556 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2557 (move_stmt_r): Use it to remap labels. Handle recursion vs
2558 remap_decls_p properly.
2559 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2560 (find_outermost_region_in_block): New.
2561 (new_label_mapper): New.
2562 (move_sese_region_to_fn): Copy eh information to the new function
2564 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2566 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2569 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2571 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2572 into shared libraries.
2574 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2576 * doc/md.texi: Refer to i386/constraints.md instead of
2578 * config/i386/constraints.md: New file, extracted from...
2579 * config/i386/predicates.md: ...here.
2580 * config/i386/i386.md: Include constraints.md.
2582 2006-03-21 Jason Merrill <jason@redhat.com>
2584 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2587 * expr.c (init_block_move_fn): Force default visibility.
2588 (init_block_clear_fn): Likewise.
2589 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2590 * targhooks.c (default_external_stack_protect_fail): Likewise.
2592 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2594 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2595 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2596 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2597 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2598 (loadgp): Use mips_current_loadgp_style.
2599 (loadgp_noshared): New pattern.
2600 (sibcall_internal): Use MIPS_CALL.
2601 (sibcall_value_internal): Likewise.
2602 (sibcall_value_multiple_internal): Likewise.
2603 (call_internal): Likewise.
2604 (call_value_internal): Likewise.
2605 (call_value_multiple_internal): Likewise.
2606 (call_split): Use MIPS_CALL and add an 'S' constraint.
2607 (call_value_split): Likewise.
2608 (call_value_multiple_split): Likewise.
2609 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2610 (-mshared): New option.
2611 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2612 (mips_current_loadgp_style): Declare.
2613 * config/mips/mips.c (mips_classify_symbol): Avoid using
2614 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2615 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2616 TARGET_ABSOLUTE_ABICALLS.
2617 (override_options): Adjust comments. Improve the warning that is
2618 issued when -mabicalls and -G are used together.
2619 (mips_file_start): Remove comment.
2620 (mips_current_loadgp_style): New function.
2621 (mips_gnu_local_gp): New variable.
2622 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2624 (mips_output_function_prologue): Use mips_current_laodgp_style.
2625 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2626 the cprestore instruction.
2627 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2628 live for TARGET_ABSOLUTE_ABICALLS.
2629 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2630 (ASM_SPEC): Pass down -mshared and -mno-shared.
2631 (MIPS_CALL): New macro.
2632 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2634 * doc/invoke.texi (-mabicalls): Update documentation.
2635 (-mshared): Document.
2637 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2639 * config/ia64/unwind-hpux.c: New file.
2640 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2642 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2645 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2647 2006-03-21 Jeff Law <law@redhat.com>
2649 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2650 type conversions of a VR_VARYING source to a wider type.
2652 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2654 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2655 tm_file on Solaris 10 and later.
2656 (sparc64-*-solaris2*): Likewise.
2657 (sparc-*-solaris2*): Likewise.
2658 * config/sol26.h: Rename to config/sol2-6.h.
2659 * config/sol2-10.h: New file.
2661 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2664 * tree-ssa-pre.c (create_component_ref_by_pieces):
2667 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2670 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2671 return it immediately.
2673 2006-03-21 Michael Matz <matz@suse.de>
2675 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2677 (remove_arc, add_arc): Update num_out_arcs member.
2678 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2680 (cache_presence): New function.
2681 (compare_states_for_equiv): New function.
2682 (state_is_differed): Don't take number of outargs, adjust callers.
2683 Use new invariant for speeding up.
2684 (init_equiv_class): Create initial classes based on sorted
2686 (partition_equiv_class): Don't track out_arcs_num.
2687 (evaluate_equiv_classes): Call cache_presence on all states and
2690 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2692 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2693 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2694 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2695 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2697 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2698 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2699 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2700 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2701 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2703 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2704 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2705 (REGNO_REG_CLASS): ARGP is in PREGS.
2706 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2708 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2709 to deal with those addresses.
2710 * addresses.h: New file.
2711 * caller-save.c: Include "addresses.h".
2712 (init_caller_save): Use new base_reg_class function.
2713 * rtl-factoring.c: Include "addresses.h".
2714 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2715 * recog.c: Include "addresses.h".
2716 (preprocess_constraints): Use new base_reg_class function.
2717 * regrename.c: Include "addresses.h".
2718 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2719 functions. Keep track of a new var INDEX_CODE to compute valid
2721 (replace_oldest_value_addr): Likewise.
2722 (replace_oldest_value_mem): Use base_reg_class.
2723 * reload.c: Include "addresses.h".
2724 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2725 (find_reloads): Use new base_reg_class function.
2726 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2727 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2728 all callers and prototype changed.
2729 * reload1.c: Include "addresses.h".
2730 (maybe_fix_stack_asms): Use base_reg_class.
2731 * regclass.c: Include "addresses.h".
2732 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2733 (init_reg_autoinc): Use new base_reg_class function.
2734 (record_reg_classes): Likewise.
2735 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2736 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2737 Use new args to compute necessary class.
2739 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2740 regrename.o, rtl-factoring.o): Update dependencies.
2741 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2742 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2743 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2744 REG_OK_FOR_INDEX_P): Delete documentation.
2746 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2748 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2749 from V7 to V9 for Solaris 7 and above.
2751 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2753 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2754 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2755 argument pointers may not alias any other storage.
2756 * common.opt: Define option -fargument-noalias-anything.
2757 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2758 alias semantics is specified by flag_argument_noalias > 2.
2760 2006-03-20 Jeff Law <law@redhat.com>
2762 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2763 (pass_phi_only_cprop): Declare.
2764 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2766 * tree-ssa-dom.c (degenerate_phi_result): New function.
2767 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2768 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2769 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2770 (eliminate_degenerate_phis): Likewise.
2771 (pass_phi_only_cprop): New pass descriptor.
2772 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2773 support code. Callers updated.
2774 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2775 (store_copy_prop): Likewise.
2776 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2778 2006-03-20 Jason Merrill <jason@redhat.com>
2781 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2782 (push_visibility, pop_visibility): Likewise.
2783 * c-pragma.h: Declare them.
2785 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2787 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2789 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2790 parameter and use get_ebb_head_tail.
2791 (sh_md_init_global): Adjust uses of find_regmode_weight.
2793 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2795 * function.h (struct function) <x_tail_recursion_reentry>:
2796 Rename to x_stack_check_probe_note.
2797 (tail_recursion_reentry): Rename to stack_check_probe_note.
2798 * function.c: Replace tail_recursion_reentry with
2799 stack_check_probe_note everywhere.
2800 (expand_function_start): Only emit a note for
2801 stack_check_probe_note with -fstack-protect.
2802 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2804 * emit-rtl.c (remove_unnecessary_notes): Remove.
2805 (pass_remove_unnecessary_notes): Remove.
2806 * rtl.h (remove_unnecessary_notes): Remove prototype.
2807 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2808 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2809 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2811 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2814 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2815 (valid_in_set): Handle ARRAY_REF.
2816 Change "if min_variant or VH" to asserts.
2817 (create_component_ref_by_pieces): Handle ARRAY_REF.
2818 (create_expression_by_pieces): Likewise.
2819 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2821 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2823 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2824 is operand of switch, not str[0].
2826 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2828 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2829 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2831 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2833 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2834 end of insn_extra_address_constraint declaration.
2836 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2838 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2839 (no-sum-in-toc): Same.
2840 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2842 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2843 NO_FP_IN_TOC for -fPIC instead of mask.
2845 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2846 (BOOT_LDFLAGS): Delete.
2848 * config/rs6000/t-aix52: Same.
2850 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2851 (stmsi[345678]_power): New.
2853 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2855 * config/ia64/ia64.opt: Add empty line to end of file.
2857 2006-03-17 Richard Guenther <rguenther@suse.de>
2860 * builtins.c (get_pointer_alignment): For component style references
2861 adjust alignment to the component type alignment. Make sure
2862 to adjust alignment for component access of constants.
2864 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2866 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2869 2006-03-17 Paul Brook <paul@codesourcery.com>
2871 * doc/install.texi: Docuemnt --with-mode.
2872 * config.gcc: Add --with-mode for arm*-*-*.
2873 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2875 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2877 * sh.c (max_labelno_before_reorg): New variable.
2878 (sh_reorg): Initialize it.
2879 (find_barrier): Check max_labelno_before_reorg before using
2880 label_to_alignment. Take length of explicit alignment insns
2881 into account. When seeing a UNSPECV_CONST_END, return it.
2883 * sh.c (fixup_mova): Set mode of affected label to QImode.
2884 (untangle_mova): New function.
2885 (find_barrier): Use it. Check mode of label before decrementing
2887 (sh_reorg): Likewise.
2888 Set mode of all insns back to VOIDmode.
2890 * sh.c (MOVA_LABELREF): New macro.
2891 (mova_p, fixup_mova, sh_reorg): Use it.
2892 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2893 ADDR_DIFF_VEC matches mova.
2895 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2897 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2898 with ATTRIBUTE_UNUSED.
2900 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2902 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2903 pointer, instead of assuming it is possible to derive the
2904 correct args size from a call insn.
2906 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2908 * rtl.h (CONST_INT_P): Define.
2909 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2910 instead of GET_CODE(x) == CONST_INT.
2911 (vax_rtx_costs): Likewise.
2912 (vax_output_int_move): Likewise.
2913 (vax_output_int_add): Likewise.
2914 (legitimate_constant_address_p): Likewise.
2915 (index_term_p): Likewise.
2916 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2917 * config/vax/vax.md (and<mode>3): Likewise.
2918 (ashrsi3): Likewise.
2920 (movstricthi): Likewise.
2921 (movstrictqi): Likewise.
2922 (rotrsi3): Likewise.
2923 (five unnamed insns): Likewise.
2925 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2927 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2928 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2929 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2930 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2931 Pass to ASM_OUTPUT_DWARF_OFFSET.
2932 * dwarf2out.c (debug_frame_section): New.
2933 (output_call_frame_info): Use debug_frame_section. Pass it to
2934 dw2_asm_output_offset.
2935 (output_die): Pass appropriate section to dw2_asm_output_offset.
2936 (output_compilation_unit_header): Likewise.
2937 (output_pubnames): Likewise.
2938 (output_aranges): Likewise.
2939 (enum dw_val_class): Break dw_val_class_lbl_offset into
2940 dw_val_class_lineptr and dw_val_class_macptr.
2941 (add_AT_lbl_offset): Delete.
2942 (add_AT_lineptr): New.
2943 (add_AT_macptr): New.
2944 (AT_lbl): Expect a lineptr or macptr.
2945 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2946 (attr_checksum): Likewise.
2947 (same_dw_val_p): Likewise.
2948 (size_of_die): Likewise.
2949 (value_format): Likewise.
2950 (output_die): Likewise.
2951 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2953 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2954 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2955 * config/darwin-protos.h (darwin_file_start): New.
2956 (darwin_asm_output_dwarf_offset): New.
2957 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2958 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2960 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2961 if not EH section; simplify.
2962 (darwin_file_start): New.
2963 (darwin_asm_output_dwarf_offset): New.
2964 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2966 (DEBUG_INFO_SECTION): Likewise.
2967 (DEBUG_ABBREV_SECTION): Likewise.
2968 (DEBUG_ARANGES_SECTION): Likewise.
2969 (DEBUG_MACINFO_SECTION): Likewise.
2970 (DEBUG_LINE_SECTION): Likewise.
2971 (DEBUG_LOC_SECTION): Likewise.
2972 (DEBUG_PUBNAMES_SECTION): Likewise.
2973 (DEBUG_STR_SECTION): Likewise.
2974 (DEBUG_RANGES_SECTION): Likewise.
2975 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2976 (ASM_OUTPUT_DWARF_OFFSET): New.
2978 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2980 * config.gcc (tm_defines): Always add to previous value rather
2983 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2985 * config/mips/predicates.md (splittable_const_int_operand): New,
2986 split from move_operand.
2987 (splittable_symbolic_operand): New.
2988 (move_operand): Add commentary. Use splittable_const_int_operand.
2989 Inline mips_atomic_symbolic_constant_p.
2990 * config/mips/mips.md: Add combine splitters for handling moves
2991 of splittable_const_int_operands and splittable_symbolic_operands.
2992 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2993 (mips_split_symbol): Declare.
2994 (mips_move_integer): Declare.
2995 * config/mips/mips.c (mips_split_p): Make global.
2996 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2997 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2998 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2999 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3000 (mips_offset_within_object_p): Handle block symbols.
3001 (mips_atomic_symbolic_constant_p): Delete.
3002 (mips_cannot_force_const_mem): Return false for constants that
3003 mips_legitimize_move can handle.
3004 (mips_use_blocks_for_constant_p): New function.
3005 (mips_split_symbol): Make global.
3006 (mips_move_integer): Likewise. Add a temporary register argument.
3007 (mips_legitimize_const_move): Use splittable_const_int_operand and
3008 splittable_symbolic_operand.
3009 (mips_use_anchors_for_symbol_p): New function.
3010 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3011 (mips_split_p): Declare.
3013 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3015 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3016 (mips*-*-linux*): Likewise.
3018 2006-03-16 Roger Sayle <roger@eyesopen.com>
3019 Daniel Speyer <dspeyer@wam.umd.edu>
3022 * tree-dump.c (dump_real): New function.
3023 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3024 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3025 (tree-dump.o): Add $(REAL_H) to the dependencies.
3027 2006-03-16 Roger Sayle <roger@eyesopen.com>
3030 * real.c (real_from_string): If the mantissa is zero, don't bother
3031 parsing the exponent as the result should always be zero.
3033 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3035 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3037 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3039 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3040 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3041 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3042 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3043 ia64_sched_finish_global): New static functions to implement
3044 hooks from gcc_target.sched.
3045 (spec_check_no, max_uid, pending_data_specs): New static variables.
3046 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3047 ia64_spec_check_src_p): New static functions.
3048 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3049 (TARGET_SCHED_ADJUST_COST): Removed.
3050 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3051 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3052 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3053 TARGET_SCHED_GEN_CHECK,
3054 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3055 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3056 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3057 Fixed to handle speculation checks.
3058 (rtx_needs_barrier): Fixed to handle speculative loads and
3060 (ia64_variable_issue): Added code to count speculative loads and their
3062 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3064 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3066 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3068 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3069 (ia64_reorg): Reset stops_p to NULL after it is freed.
3070 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3071 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3072 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3074 (data_speculative, control_speculative, check_load): New attributes.
3075 (mov<mode>_advanced, mov<mode>_speculative,
3076 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3077 zero_extend<mode>di2_speculative,
3078 zero_extend<mode>di2_speculative_advanced): New patterns for
3079 data and control speculative loads.
3080 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3082 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3083 New pattern for data and control speculation checks.
3084 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3085 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3086 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3087 Auxiliary definitions for the patterns.
3088 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3089 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3091 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3093 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3094 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3095 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3096 New resource constraints.
3097 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3099 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3100 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3101 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3102 msched-in-control-spec, msched-ldc, msched-control-ldc,
3103 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3104 msched-prefer-non-control-spec-insns,
3105 msched-count-spec-in-critical-path): New flags to tune speculative
3107 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3108 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3109 msched-in-control-spec, msched-ldc, msched-control-ldc,
3110 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3111 msched-prefer-non-control-spec-insns,
3112 msched-count-spec-in-critical-path): Document new flags.
3114 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3116 * target.h (struct spec_info_def): New opaque declaration.
3117 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3118 speculate_insn, needs_block_p, gen_check,
3119 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3120 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3121 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3122 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3123 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3124 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3126 (TARGET_SCHED): Use new macros.
3127 * rtl.h (copy_DEPS_LIST_list): New prototype.
3128 * sched-int.h (struct sched_info): Change signature of new_ready field,
3129 adjust all initializations. New fields: add_remove_insn,
3130 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3131 region_head_or_leaf_p.
3132 (struct spec_info_def): New structure declaration.
3133 (spec_info_t): New typedef.
3134 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3135 recovery_block, orig_pat.
3136 (glat_start, glat_end): New variables declaraions.
3137 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3139 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3140 DETACH_LIFE_INFO, USE_GLAT.
3141 (enum SPEC_SCHED_FLAGS): New enumeration.
3142 (NOTE_NOTE_BB_P): New macro.
3143 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3144 attach_life_info, debug_spec_status, check_reg_live): New functions.
3145 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3146 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3148 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3149 * ddg.c (get_block_head_tail): Adjust all uses.
3150 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3151 (sms_sched_info): Initialize new fields.
3152 (contributes_to_priority): Removed.
3153 * haifa-sched.c (params.h): New include.
3154 (get_block_head_tail): Adjust all uses.
3155 (ISSUE_POINTS): New macro.
3156 (glat_start, glat_end): New global variables.
3157 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3158 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3159 old_last_basic_block, before_recovery, current_sched_info_var,
3160 rgn_n_insns, luid): New static variables.
3161 (insn_cost1): New function. Move logic from insn_cost to here.
3162 (find_insn_reg_weight1): New function. Move logic from
3163 find_insn_reg_weight to here.
3164 (reemit_notes, move_insn, max_issue): Change signature.
3165 (move_insn1): Removed.
3166 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3167 extend_bb): New static functions to support extension of scheduler's
3169 (generate_recovery_code, process_insn_depend_be_in_spec,
3170 begin_speculative_block, add_to_speculative_block,
3171 init_before_recovery, create_recovery_block, create_check_block_twin,
3172 fix_recovery_deps): New static functions to support
3173 generation of recovery code.
3174 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3175 restore_bb_notes, move_block_after_check, move_succs): New static
3176 functions to support ebb scheduling.
3177 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3178 functions to support handling of register live information.
3179 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3180 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3181 add_jump_dependencies): New static functions.
3182 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3183 consistancy checking.
3184 (debug_spec_status): New function to call from debugger.
3185 (priority): Added code to handle speculation checks.
3186 (rank_for_schedule): Added code to distinguish speculative instructions.
3187 (schedule_insn): Added code to handle speculation checks.
3188 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3189 Fixed to handle ebbs.
3190 (move_insn): Added code to handle ebb scheduling.
3191 (max_issue): Added code to use ISSUE_POINTS of instructions.
3192 (choose_ready): Added code to choose between speculative and
3193 non-speculative instructions.
3194 (schedule_block): Added code to handle ebb scheduling and scheduling of
3195 speculative instructions.
3196 (sched_init): Initialize new variables.
3197 (sched_finish): Free new variables. Print statistics.
3198 (try_ready): Added code to handle speculative instructions.
3199 * lists.c (copy_DEPS_LIST_list): New function.
3200 * sched-deps.c (extend_dependency_caches): New function. Move logic
3201 from create_dependency_caches to here.
3202 (get_dep_weak, ds_merge): Make global.
3203 * genattr.c (main): Code to output prototype for
3204 dfa_clear_single_insn_cache.
3205 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3206 (output_dfa_clean_insn_cache_func): Code to output
3207 dfa_clear_single_insn_cache function.
3208 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3210 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3212 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3213 New static variables.
3214 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3215 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3217 (ebb_sched_info): Initialize new fields.
3218 (get_block_head_tail): Adjust all uses.
3219 (compute_jump_reg_dependencies): Fixed to use glat_start.
3220 (schedule_ebb): Code to remove unreachable last block.
3221 (schedule_ebbs): Added code to update register live information.
3222 * sched-rgn.c (region_sched_info): Initialize new fields.
3223 (get_block_head_tail): Adjust all uses.
3224 (last_was_jump): Removed. Adjust users.
3225 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3226 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3227 Implement new hooks.
3228 (check_dead_notes1): New static function.
3229 (struct region): New fields: dont_calc_deps, has_real_ebb.
3230 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3231 (BB_TO_BLOCK): Fixed to handle EBBs.
3232 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3233 (ebb_head): New static variable.
3234 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3235 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3237 (compute_dom_prob_ps): New assertion.
3238 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3239 global_live_at_start.
3240 (init_ready_list): New assertions.
3241 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3242 (new_ready): Add support for BEGIN_CONTROL speculation.
3243 (schedule_insns): Fixed code that updates register live information
3245 (schedule_region): Fixed to handle EBBs.
3246 (init_regions): Use extend_regions and check_dead_notes1.
3247 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3248 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3249 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3250 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3251 TARGET_SCHED_GEN_CHECK,
3252 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3253 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3254 * doc/invoke.texi (max-sched-insn-conflict-delay,
3255 sched-spec-prob-cutoff): Document.
3257 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3259 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3260 inter_tick, queue_index.
3261 (struct sched_info): Change signature of init_ready_list field.
3262 Adjust all initializations.
3263 (RESOLVED_DEPS): New access macro.
3264 (ready_add): Remove prototype.
3265 (try_ready): Add prototype.
3266 * sched-rgn.c (init_ready_list): Use try_ready.
3267 (schedule_region): Initialize
3268 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3269 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3270 (init_ready_list): Use try_ready.
3271 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3272 * lists.c (remove_list_elem): Remove `static'.
3273 (remove_free_INSN_LIST_elem): New function.
3274 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3275 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3276 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3278 (readyp): New variable.
3279 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3280 change_queue_index, resolve_dep): New static functions.
3281 (try_ready): New function. Adjust callers in sched-rgn.c and
3282 sched-ebb.c to use it instead of ready_add.
3283 (clock_var): Move at the begining of file.
3284 (rank_for_schedule): Fix typo.
3285 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3286 (ready_lastpos): Enforce assertion.
3287 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3289 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3290 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3291 (queue_to_ready): Use free_INSN_LIST_list.
3292 (early_queue_to_ready): Fix typo.
3293 (schedule_block): Init readyp. Move init_ready_list call after the
3294 initialization of clock_var. Fix error in rejecting insn by
3295 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3296 that previously corrected INSN_TICKs. Add code for handling
3298 (set_priorities): Fix typo.
3299 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3300 Clarify comment and code that keeps current_sched_info->next_tail
3303 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3305 * sched-rgn.c (extend_rgns): New static function.
3306 (find_rgns): Use it.
3307 (gather_region_statistics, print_region_statistics): New static
3309 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3310 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3312 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3313 Andrey Belevantsev <abel@ispras.ru>
3315 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3316 * lists.c (unused_deps_list): New variable.
3317 (free_list): Add assertions to verify the proper distinguishing
3318 between INSN_LISTs and DEPS_LISTs.
3319 (find_list_elem, remove_list_elem, remove_list_node): New static
3321 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3322 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3323 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3324 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3326 (free_INSN_LIST_node): Likewise.
3327 * modulo-sched.c (current_sched_info): Initialize flags field.
3328 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3329 * rtl.def (DEPS_LIST): Define.
3330 * rtl.h: Declare new functions from lists.c.
3331 * sched-deps.c (spec_dependency_cache): New static variable.
3332 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3333 (add_dependence): Change return type to void. Move the logic to ...
3334 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3335 (delete_all_dependences): Add comment about forward_dependency_cache.
3336 Handle spec_dependency_cache. Handle DEPS_LISTs.
3337 (fixup_sched_groups): Clarify the change of priority of output
3338 and anti dependencies.
3339 (sched_analyze_2): Adjust add_dependence calls to create data
3340 speculative dependence.
3341 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3342 Adjust all callers. Handle DEPS_LISTS.
3343 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3344 presence of speculation.
3345 (init_dependency_caches, free_dependency_caches):
3346 Handle spec_dependency_cache.
3347 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3348 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3349 New static functions.
3350 (add_or_update_back_dep, add_or_update_back_forw_dep,
3351 add_back_forw_dep, delete_back_forw_dep): New functions.
3352 * sched-int.h (ds_t, dw_t): New typedefs.
3353 (struct sched_info): Add new field flags.
3354 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3355 Prototype new sched-deps.c functions.
3356 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3357 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3358 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3359 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3360 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3361 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3363 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3365 * sched-rgn.c (current_sched_info): Initialize flags field.
3366 (schedule_insns): Initialize current_sched_info before the sched_init
3368 * sched-ebb.c (current_sched_info): Initialize flags field.
3369 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3370 Call add_or_update_back_dep instead of add_dependence.
3371 Create control speculative dependencies.
3372 (schedule_insns): Initialize current_sched_info before the sched_init
3375 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3377 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3379 (sh_fallback_frame_state): Likewise.
3381 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3383 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3384 Do switch on default_use_cxa_atexit.
3385 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3386 * config/darwin-crt3.o: New.
3387 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3388 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3389 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3391 * config/rs6000/t-darwin: Move crt2.o building to here.
3392 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3393 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3396 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3398 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3399 from '! xxx' to '!xxx' for coding-style conformance.
3400 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3401 (EXTRA_CONSTRAINT): Likewise.
3402 * config/vax/vax.md (four unnamed insns): Likewise.
3404 2006-03-15 Paul Brook <paul@codesourcery.com>
3406 * config/arm/arm.c (minipool_pad): New.
3407 (add_minipool_forward_ref): Include pool alignment padding in address
3409 (push_minipool_fix): Set minipool_pad.
3410 (minipool_pad): Ditto.
3412 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3414 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3415 instead of GET_CODE() == MEM and REG_P() instead of
3417 (print_operand_address): Likewise.
3418 (vax_address_cost): Likewise.
3419 (vax_rtx_costs): Likewise.
3420 (vax_notice_update_cc): Likewise.
3421 (vax_output_int_add): Likewise.
3422 (INDEX_REGISTER_P): Likewise.
3423 (BASE_REGISTER_P): Likewise.
3424 (nonindexed_address_p): Likewise.
3425 (vax_mode_dependent_address_p): Likewise.
3426 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3427 (PRINT_OPERAND): Likewise.
3428 * config/vax/vax.md (ashlsi3): Likewise.
3429 (ashlsi3): Likewise.
3430 (some more unnamed insns): Likewise.
3432 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3434 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3435 iterator-style macro.
3436 (mark_control_dependent_edges_necessary): Update the use of
3437 EXECUTE_IF_CONTROL_DEPENDENT.
3439 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3441 * config/sh/predicates.md (cache_address_operand): Special.
3442 (ua_address_operand): Likewise.
3444 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3446 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3448 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3450 2006-03-15 Andreas Schwab <schwab@suse.de>
3452 * gensupport.c (identify_predicable_attribute): Don't free p_false
3453 when it is still in use.
3455 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3457 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3458 the default setting here.
3460 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3462 * tree-pass.h (pass_cfg): Remove.
3463 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3464 * passes.c (pass_cfg): Don't run it.
3466 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3468 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3469 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3471 (stack_regs_mentioned): Update the uses of
3472 stack_regs_mentioned_data. Don't access the array beyond its
3474 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3475 Don't include gt-reg-stack.h.
3477 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3478 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3480 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3483 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3486 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3488 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3490 2006-03-14 Richard Guenther <rguenther@suse.de>
3492 PR tree-optimization/26672
3493 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3496 2006-03-14 Richard Guenther <rguenther@suse.de>
3498 PR tree-optimization/26667
3499 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3500 node for the callees. Always allow inlining if it will shrink
3503 2006-03-14 Richard Guenther <rguenther@suse.de>
3506 * builtins.c (get_pointer_alignment): Prefer alignment
3507 information from decls over that from types.
3509 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3512 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3514 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3516 * config/rs6000/rs6000.opt (mdlmzb): New option.
3517 (msched-prolog, msched-epilog): Use Var not Mask.
3518 * doc/invoke.texi (-mdlmzb): Document.
3519 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3521 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3522 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3524 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3526 PR rtl-optimization/25739
3527 * bt-load.c (augment_live_range): Free tos pointer.
3529 * gensupport.c (identify_predicable_attribute): Free
3531 * gcov.c (create_file_names): Free name pointer.
3533 2006-03-13 Roger Sayle <roger@eyesopen.com>
3536 * stmt.c (emit_case_nodes): Handle the case where the index is a
3537 CONST_INT, where the comparison mode is specified by the index type.
3539 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3541 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3544 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3546 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3547 (*branch_fp_inverted): Likewise.
3549 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3552 * omp-low.c (expand_omp_for_generic): Mark istart0
3553 and iend0 as addressable.
3555 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3557 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3559 2006-03-13 Jeff Law <law@redhat.com>
3561 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3562 virtual operands are interesting.
3563 (vrp_visit_stmt): Corresponding changes.
3565 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3567 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3569 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3570 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3571 * config/bfin/crti.S: Use it instead of __PIC__.
3572 * config/bfin/crtn.S: Likewise.
3574 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3575 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3577 Lose 'G' modifier for call operand.
3578 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3579 recognize 'G' modifier.
3581 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3584 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3585 * stmt.c (expand_case): Likewise.
3587 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3589 PR rtl-optimization/26254
3590 * loop-invariant.c (seq_insns_valid_p): New function.
3591 (move_invariant_reg): Only emit new code if it is valid.
3593 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3595 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3597 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3598 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3599 (commit_one_edge_insertion): Do not look for loop notes.
3601 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3603 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3604 flag_test_coverage out of loop.
3606 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3608 * final.c (shorten_branches): Remove outdated comment, and turn
3609 the if branch that guards it to continue.
3611 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3613 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3614 * cfgloop.h (struct loop): Remove unused fields.
3616 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3618 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3619 (-dL, -fdump-rtl-loop2): Update the dump file names
3621 * doc/invoke.texi: Update dump file names.
3623 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3625 * predict.c (estimate_probability): Remove.
3626 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3627 * basic-block.h (estimate_probability): Remove prototype.
3628 * passes.c (finish_optimization_passes): Dump branch prediction or
3629 profiling heuristics to the .profile tree dump.
3630 (init_optimization_passes): Unqueue pass_branch_prob.
3632 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3634 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3636 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3637 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3639 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3641 * function.h (frame_offset_overflow): Declare.
3642 * function.c (frame_offset_overflow): New function.
3643 (assign_stack_local_1): Call it to detect that the offset overflows.
3644 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3646 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3648 * config/sh/sh.c: Include alloc-pool.h.
3649 (label_ref_list_pool): New alloc pool.
3650 (label_ref_list_t): New type for lists of labels.
3651 (struct pool_node): Make wend a label_ref_list_t.
3652 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3654 (dump_table): Likewise.
3655 (sh_reorg): Set up the alloc pool before using add_constant and
3656 dump_table, and destroy it when finishing.
3658 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3660 * config/mips/mips.c: Remove redundant comment.
3662 2006-03-10 Jason Merrill <jason@redhat.com>
3665 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3666 the target was declared 'register'.
3668 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3670 * genpreds.c (write_insn_constraint_len): Change definition of
3671 insn_constraint_len to return size_t to match the declaration.
3673 2006-03-10 DJ Delorie <dj@redhat.com>
3675 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3677 (m32c_expand_insv): Fix test for an AND mask.
3679 2006-03-10 Richard Guenther <rguenther@suse.de>
3682 * builtins.c (get_pointer_alignment): Handle component
3683 references for field alignment.
3685 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3687 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3688 when building with libgloss.
3689 (sh*elf): Implement --without-fp option.
3690 (sh64-superh-linux*): Don't multilib.
3692 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3694 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3696 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3698 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3699 Set it when one of the replacement functions returned true.
3700 Return TODO_cleanup_cfg if cfgchanged is true.
3701 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3703 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3705 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3706 instead of gen_lowpart.
3708 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3710 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3712 (mips_output_order_conditional_branch): Declare.
3713 * config/mips/mips.h (MIPS_BRANCH): New macro.
3714 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3715 for the comparison. Use gen_condjump.
3716 (mips_output_conditional_branch): Rework interface to take the
3717 asm templates for a direct branch and the inverse of a direct branch.
3718 (mips_output_order_conditional_branch): New function.
3719 (mips_builtin_branch_and_move): New function.
3720 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3721 branch condition. Use gen_single_cc as the condition for
3722 __builtin_mips_upper_* or __builtin_mips_lower_*.
3723 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3724 Use VOIDmode for the branch condition.
3725 * config/mips/predicates.md (order_operator): New predicate.
3726 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3727 (branch_fp): Rename to...
3728 (*branch_fp): ...this. Remove mode from comparison operator.
3729 Use new mips_output_conditional_branch interface.
3730 (branch_fp_inverted): Rename to...
3731 (*branch_fp_inverted): ...this and update as for *branch_fp.
3732 (*branch_zero<mode>): Rename to...
3733 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3734 Use mips_output_order_conditional_branch. Only accept ordered
3736 (*branch_zero<mode>_inverted): Rename to...
3737 (*branch_order<mode>_inverted): ...this and update as for
3738 *branch_order<mode>.
3739 (*branch_equality<mode>): Accept zero as the second operand to
3740 the equality operator. Use the new mips_output_conditional_branch
3742 (*branch_equality<mode>_inverted): Likewise.
3743 (condjump): New expander.
3744 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3746 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3747 (bc1any2t, bc1any2f): Likewise.
3748 (single_cc): New expander.
3749 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3751 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3753 * doc/md.texi: Update documentation of MIPS constraints.
3754 * config/mips/constraints.md: New file.
3755 * config/mips/mips.md: Include it.
3756 * config/mips/mips.c (mips_char_to_class): Delete.
3757 (override_options): Don't initialize mips_char_to_class.
3758 * config/mips/mips.h (mips_char_to_class): Delete.
3759 (REG_CLASS_FROM_LETTER): Delete.
3760 (CONST_OK_FOR_LETTER_P): Delete.
3761 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3762 (EXTRA_CONSTRAINT_Y): Delete.
3763 (EXTRA_CONSTRAINT_STR): Delete.
3764 (CONSTRAINT_LEN): Delete.
3765 (EXTRA_MEMORY_CONSTRAINT): Delete.
3767 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3769 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3770 original fn's eh regions.
3772 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3774 * fold-const.c (build_range_check): Make sure to use a valid type to
3775 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3778 (range_predecessor): New static function.
3779 (range_successor): Likewise.
3780 (merge_ranges): Use them to compute predecessors and successors of
3783 2006-03-09 Roger Sayle <roger@eyesopen.com>
3786 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3787 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3789 2006-03-08 DJ Delorie <dj@redhat.com>
3791 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3792 (addpsi3): Expand to include memory operands. Remove
3793 reload-specific splits.
3794 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3795 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3796 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3797 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3798 (shift1_qi, shift1_hi, insv): New.
3799 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3800 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3801 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3803 * config/m32c/m32c-protos.h: Update as needed.
3804 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3805 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3806 Fail for unrecognized R* constraints.
3807 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3808 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3809 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3811 (m32c_init_libfuncs): New.
3812 (m32c_legitimate_address_p): Add debug wrapper.
3813 (m32c_rtx_costs): New.
3814 (m32c_address_cost): New.
3815 (conversions): Add 'B' prefix.
3816 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3817 operands, or word regnames for QI operands. 'B' prints bit
3819 (m32c_expand_setmemhi): New.
3820 (m32c_expand_movmemhi): New.
3821 (m32c_expand_movstr): New.
3822 (m32c_expand_cmpstr): New.
3823 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3824 (m32c_expand_neg_mulpsi3): Handle non-ints.
3825 (m32c_cmp_flg_0): New.
3826 (m32c_expand_movcc): New.
3827 (m32c_expand_insv): New.
3828 (m32c_scc_pattern): New.
3829 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3830 a0/a1 out of SIregs.
3831 (STORE_FLAG_VALUE): New.
3832 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3835 * config/m32c/mov.md: Make constraints more liberal.
3836 (zero_extendqihi2): Optimize r0/r1 case.
3837 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3838 * config/m32c/predicates.md (m32c_any_operand): New.
3839 (m32c_nonimmediate_operand): New.
3840 (m32c_hl_operand): New.
3841 (m32c_r3_operand): New.
3844 (memsym_operand): New.
3845 (memimmed_operand): New.
3846 (a_qi_operand): New.
3847 (m32c_eqne_operator): New.
3848 (m32c_1bit8_operand): New.
3849 (m32c_1bit16_operand): New.
3850 (m32c_1mask8_operand): New.
3851 (m32c_1mask16_operand): New.
3852 * config/m32c/blkmov.md: New file.
3853 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3855 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3857 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3858 unsigned to fix signed/unsigned comparison issue in
3859 DWARF2_FRAME_REG_OUT.
3860 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3861 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3863 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3864 of ptr into the ENABLE_CHECKING section.
3866 2006-03-08 Jeff Law <law@redhat.com>
3868 * tree-vrp.c (infer_value_range): Only count pointer uses
3869 and dereferences if -fdelete-null-pointer-checks is enabled.
3871 * tree-vrp.c (find_assert_locations): Infer value ranges for
3872 single use pointers, but do not create ASSERT_EXPRs for them.
3873 When a non-null range is inferred for a pointer, backwards
3874 propagate that range to other equivalent pointers through the
3877 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3880 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3881 language hook targets.
3882 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3883 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3884 if language hook targets were missing.
3886 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3888 * tree-ssa-opfinalize.h: Removed.
3889 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3891 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3892 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3893 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3894 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3895 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3896 finalize_ssa_v_must_def_ops): New.
3898 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3900 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3903 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3905 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3907 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3908 addresses with offsets; reorganize.
3910 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3911 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3912 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3914 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3917 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3919 2006-03-08 Ben Elliston <bje@au.ibm.com>
3921 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3923 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3926 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3929 2006-03-07 Richard Guenther <rguenther@suse.de>
3931 PR tree-optimization/26587
3932 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3934 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3936 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3938 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3940 * hooks.c (hook_bool_mode_rtx_true): New function.
3941 * hooks.h (hook_bool_mode_rtx_true): Declare.
3942 * toplev.c (compile_file): Call output_shared_constant_pool.
3943 * varasm.c (shared_constant_pool): New variable.
3944 (assemble_start_function, assemble_end_function): Remove arguments
3945 from call to output_constant_pool.
3946 (create_constant_pool): New function, split out from...
3947 (init_varasm_status): ...here.
3948 (force_const_mem): Choose between the shared and per-function constant
3949 pools. Set current_function_uses_const_pool when reusing old entries
3950 as well as when creating new ones.
3951 (mark_constant): Ignore data argument.
3952 (mark_constants): Remove pool argument.
3953 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3954 to decide whether the function uses a constant pool.
3955 (output_constant_pool_contents): New function, split out from...
3956 (output_constant_pool): ...here.
3957 (output_shared_constant_pool): New function.
3958 (init_varasm_once): Initialize shared_constant_pool.
3959 * output.h (output_constant_pool): Delete.
3960 (output_shared_constant_pool): Declare.
3961 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3962 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3964 2006-03-06 Nick Clifton <nickc@redhat.com>
3966 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3967 flag_strength_reduce.
3969 2006-03-06 Ben Elliston <bje@au.ibm.com>
3971 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3972 x86_64-*-linux* configurations.
3974 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3975 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3977 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3979 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3981 * basic-block.h: Remove the extern for
3982 rediscover_loops_after_threading.
3984 * cfgloop.c (cancel_loop): Make it static.
3985 * cfgloop.h: Remove the prototype for cancel_loop.
3987 * flow.c (recompute_reg_usage): Make it static.
3988 * rtl.h: Remove the prototype for recompute_reg_usage.
3990 * function.c (use_return_register): Make it static.
3991 * function.h: Remove the prototype.
3993 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3995 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3997 * recog.h: Remove the prototype for
3998 validate_change_maybe_volatile.
4000 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4002 * rtlanal.c (replace_reg): Remove.
4003 * rtl.h: Remove the prototype for replace_reg.
4005 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4007 * regclass.c (reg_scan_update): Remove.
4008 (reg_scan_mark_refs): Remove the last argument.
4009 * rtl.h: Remove the prototype for reg_scan_update.
4011 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4013 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4014 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4015 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4016 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4017 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4018 loop-invariant.c, omp-low.c, opts.c, passes.c,
4019 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4020 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4021 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4022 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4023 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4024 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4026 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4028 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4029 * dwarf2out.h: Remove the prototype for
4030 dwarf2out_add_library_unit_info.
4032 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4034 * tree.c (add_var_to_bind_expr): Remove.
4035 * tree.h: Remove the prototype for add_var_to_bind_expr.
4037 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4039 * regclass.c (n_non_fixed_regs): Remove.
4040 (init_reg_sets_1, globalize_reg): Remove all uses of
4042 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4046 * rtlanal.c (insns_safe_to_move_p): Remove.
4047 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4049 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4051 * expmed.c (expand_mult_add): Remove.
4052 * expr.h: Remove the prototype for expand_mult_add.
4054 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4056 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4057 and REG_SAVED_VAL_EXP constants.
4058 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4059 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4060 Handle regs stored by value.
4061 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4062 (execute_cfa_program): Handle DW_CFA_val_offset,
4063 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4064 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4065 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4066 (uw_install_context_1): Handle target regs stored by value.
4068 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4070 * tree-sra.c (tree_sra): Return todoflags;
4071 (generate_one_element): Set TODO_update_smt_usage if needed.
4072 (pass_sra): Remove TODO_update_smt_usage.
4073 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4075 (tree_ssa_forward_propagate_single_use_vars): Return
4076 TODO_update_smt_usage if we need to update SMT usage.
4077 (pass_forwprop): Remove TODO_update_smt_usage.
4079 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4081 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4082 (correct_use_link): Remove reference to get_stmt_operands.
4083 (update_stmt_operands): Likewise.
4084 (get_modify_expr_operands): New function factored out of
4085 parse_ssa_operands and get_expr_operands.
4086 Try to create V_MUST_DEFs for LHS by default.
4087 (get_expr_operands) <case MODIFY_EXPR>: Call
4088 get_modify_expr_operands.
4089 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4090 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4091 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4092 get_modify_expr_operands.
4094 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4096 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4097 * tree-flow.h: Remove the prototype for
4098 referenced_var_lookup_if_exists.
4100 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4102 PR rtl-optimization/26345
4104 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4106 2006-03-03 Roger Sayle <roger@eyesopen.com>
4108 PR tree-optimization/26524
4109 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4110 fold_convert to create a constant of the appropriate type.
4112 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4114 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4115 SYMBOL_REF_IN_BLOCK_P.
4116 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4117 of SYMBOL_FLAG_IN_BLOCK.
4118 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4119 instead of SYMBOL_REF_IN_BLOCK_P.
4120 * explow.c (use_anchored_address): Likewise.
4121 * rtl.c (rtx_size): Likewise.
4122 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4123 instead of SYMBOL_FLAG_IN_BLOCK.
4124 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4125 SYMBOL_REF_IN_BLOCK_P.
4126 (assemble_variable): Likewise.
4127 (output_constant_def_contents): Likewise.
4128 (output_constant_pool): Likewise.
4129 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4130 instead of SYMBOL_FLAG_IN_BLOCK.
4131 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4132 SYMBOL_REF_IN_BLOCK_P.
4133 (SYMBOL_REF_BLOCK): Likewise.
4134 (SYMBOL_REF_OFFSET): Likewise.
4135 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4136 SYMBOL_REF_IN_BLOCK_P.
4137 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4138 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4139 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4140 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4142 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4144 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4146 2006-03-02 Roger Sayle <roger@eyesopen.com>
4148 * simplify-rtx.c (simplify_unary_operation): When simplifying
4149 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4150 that we perform the right shift in the appropriate mode, and
4151 then extend or truncate the result to requested mode.
4153 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4155 * gengtype.c (main): Handle double_int type.
4156 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4157 * double-int.c: New file.
4158 * double-int.h: New file.
4159 * system.h: Include doubleint.h.
4160 * Makefile.in (SYSTEM_H): Include double-int.h.
4161 (double-int.o): Add.
4163 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4166 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4169 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4171 * tree-vrp.c (remove_range_assertions): Do not update statements
4174 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4176 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4178 * gcse.c (rest_of_handle_gcse): Ditto.
4179 * except.c (gate_handle_eh): Ditto.
4180 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4181 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4183 2006-03-02 Eric Christopher <echristo@apple.com>
4185 * config/i386/i386.c (machopic_output_stub): Add indirection to
4188 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4192 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4194 Sun Niagara specific optimizations.
4195 * config.gcc: Recognize niagara as target.
4196 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4197 (TARGET_CPU_niagara): Define.
4198 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4199 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4200 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4201 (ASM_CPU_SPEC): Likewise.
4202 (PROCESSOR_NIAGARA): New enum entry.
4203 (REGISTER_MOVE_COST): Handle Niagara.
4204 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4205 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4206 (sparc_override_options): Recognize "niagara", set appropriate
4207 default MASK_* values for it, and align functions to 32-bytes
4208 by default just like ULTRASPARC/ULTRASPARC3.
4209 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4210 (sparc64_initialize_trampoline): Likewise.
4211 (sparc_use_sched_lookahead): Use zero for niagara.
4212 (sparc_issue_rate): Use one for niagara.
4213 * config/sparc/niagara.md: New file.
4214 * config/sparc/sparc.md: Include it.
4215 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4216 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4217 when default cpu is niagara.
4218 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4219 (ASM_CPU_SPEC): Likewise.
4220 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4221 when default cpu is niagara.
4222 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4223 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4224 just like v9/ultrasparc/ultrasparc3.
4225 * doc/invoke.texi: Add documentation for "niagara" and improve
4226 existing documentation for ultrasparc variants.
4228 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4230 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4232 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4234 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4235 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4236 and say that only one is needed.
4237 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4238 * target.h (have_switchable_bss_sections): New hook.
4239 * explow.c (use_anchored_address): Check that the symbol is in a block.
4240 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4241 (bss_noswitch_section): New variables.
4242 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4243 (get_noswitch_section): New function.
4244 (get_block_for_section): Allow SECT to be null.
4245 (unlikely_text_section_p): Use SECTION_STYLE.
4246 (bss_initializer_p): New function.
4247 (get_variable_section): Move earlier in file. Take a new argument,
4248 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4249 Return one of the new *_sections in such cases.
4250 (get_block_for_decl): New function, extracting some logic from
4251 use_blocks_for_decl_p.
4252 (change_symbol_section): Remove in favor of...
4253 (change_symbol_block): ...this new function.
4254 (use_blocks_for_decl_p): Remove checks now performed by
4256 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4257 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4258 (emit_local, emit_bss, emit_common): ...these new functions.
4259 Return true if the alignment was honored.
4260 (emit_tls_common): New function.
4261 (asm_emit_uninitialised): Delete.
4262 (assemble_variable_noswitch): New function, split out from...
4263 (assemble_variable): ...here. Don't make decisions about common
4264 variables here. Globalize all public decls that go into non-common
4265 sections. Check whether SYMBOL_REF_BLOCK is null.
4266 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4267 (output_constant_pool): Likewise.
4268 (init_varasm_once): Initialize the new section variables.
4269 (have_global_bss_p): New function.
4270 (categorize_decl_for_section): Use bss_initializer_p.
4271 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4272 (place_block_symbol): Assert that the symbol must be in a block.
4273 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4274 (TARGET_INITIALIZER): Include it.
4275 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4276 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4277 (SECTION_MACH_DEP): Bump by two.
4278 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4279 (unnamed_section): Mention SECTION_UNNAMED in comment.
4280 (named_section): Likewise SECTION_NAMED.
4281 (noswitch_section_callback): New type.
4282 (noswitch_section): New structure.
4283 (section): Add a noswitch_section alternative.
4284 (SECTION_STYLE): New macro.
4285 (tls_comm_section, comm_section, lcomm_section): Declare.
4286 (bss_noswitch_section, have_global_bss_p): Declare.
4287 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4288 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4290 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4291 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4294 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4296 * gcc/tree-vrp.c (execute_vrp): Return value.
4297 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4298 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4299 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4300 (tree_lower_complex_O0): Ditto.
4301 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4302 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4303 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4304 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4305 (execute_tail_calls): Ditto.
4306 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4307 * gcc/tree.h (init_function_for_compilation): Ditto.
4308 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4309 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4310 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4311 * gcc/final.c (compute_alignments): Ditto.
4312 (rest_of_handle_final): Ditto.
4313 (rest_of_handle_shorten_branches): Ditto.
4314 (rest_of_clean_state): Ditto.
4315 * gcc/omp-low.c (execute_expand_omp): Ditto.
4316 (execute_lower_omp): Ditto.
4317 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4318 * gcc/ipa-reference.c (static_execute): Ditto.
4319 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4320 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4321 (rest_of_handle_machine_reorg): Ditto.
4322 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4323 * gcc/flow.c (recompute_reg_usage): Ditto.
4324 (rest_of_handle_remove_death_notes): Ditto.
4325 (rest_of_handle_life): Ditto.
4326 (rest_of_handle_flow2): Ditto.
4327 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4328 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4329 (do_ssa_store_ccp): Ditto.
4330 (execute_fold_all_builtins): Ditto.
4331 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4332 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4333 * gcc/ipa-pure-const.c (static_execute): Ditto.
4334 * gcc/cse.c (rest_of_handle_cse): Ditto.
4335 (rest_of_handle_cse2): Ditto.
4336 * gcc/web.c (rest_of_handle_web): Ditto.
4337 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4338 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4339 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4340 * gcc/tree-nrv.c (tree_nrv): Ditto.
4341 (execute_return_slot_opt): Ditto.
4342 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4343 (create_structure_vars): Ditto.
4344 * gcc/loop-init.c (rtl_loop_init): Ditto.
4345 (rtl_loop_done): Ditto.
4346 (rtl_move_loop_invariants): Ditto.
4347 (rtl_unswitch): Ditto.
4348 (rtl_unroll_and_peel_loops): Ditto.
4349 (rtl_doloop): Ditto.
4350 * gcc/gimple-low.c (lower_function_body): Ditto.
4351 (mark_used_blocks): Ditto.
4352 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4353 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4354 (cgraph_early_inlining): Ditto.
4355 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4356 * gcc/jump.c (cleanup_barriers): Ditto.
4357 (purge_line_number_notes): Ditto.
4358 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4359 (rest_of_handle_if_after_reload): Ditto.
4360 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4361 (tree_ssa_loop_im): Ditto.
4362 (tree_ssa_loop_unswitch): Ditto.
4363 (tree_vectorize): Ditto.
4364 (tree_linear_transform): Ditto.
4365 (tree_ssa_loop_ivcanon): Ditto.
4366 (tree_ssa_empty_loop): Ditto.
4367 (tree_ssa_loop_bounds): Ditto.
4368 (tree_complete_unroll): Ditto.
4369 (tree_ssa_loop_prefetch): Ditto.
4370 (tree_ssa_loop_ivopts): Ditto.
4371 (tree_ssa_loop_done): Ditto.
4372 * gcc/predict.c (tree_estimate_probability): Ditto.
4373 * gcc/recog.c (split_all_insns_noflow): Ditto.
4374 (rest_of_handle_peephole2): Ditto.
4375 (rest_of_handle_split_all_insns): Ditto.
4376 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4377 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4378 (rest_of_handle_stack_adjustments): Ditto.
4379 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4380 * gcc/function.c (instantiate_virtual_regs): Ditto.
4381 (init_function_for_compilation): Ditto.
4382 (rest_of_handle_check_leaf_regs): Ditto.
4383 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4384 (rest_of_handle_gcse): Ditto.
4385 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4386 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4387 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4388 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4389 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4390 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4391 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4392 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4393 * gcc/except.c (set_nothrow_function_flags): Ditto.
4394 (convert_to_eh_region_ranges): Ditto.
4395 (rest_of_handle_eh): Ditto.
4396 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4397 (remove_unnecessary_notes): Ditto.
4398 * gcc/except.h (set_nothrow_function_flags): Ditto.
4399 (convert_to_eh_region_ranges): Ditto.
4400 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4401 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4402 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4403 (execute_fre): Ditto.
4404 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4405 (rest_of_handle_jump2): Ditto.
4406 * gcc/tree-sra.c (tree_sra): Ditto.
4407 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4408 (execute_mudflap_function_decls): Ditto.
4409 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4410 (do_store_copy_prop): Ditto.
4411 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4412 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4413 * gcc/tree-ssa-forwprop.c
4414 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4415 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4416 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4417 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4418 (execute_late_warn_uninitialized): Ditto.
4419 * gcc/rtl.h (cleanup_barriers): Ditto.
4420 (split_all_insns_noflow): Ditto.
4421 (purge_line_number_notes): Ditto.
4422 (unshare_all_rtl): Ditto.
4423 (remove_unnecessary_notes): Ditto.
4424 (recompute_reg_usage): Ditto.
4425 (variable_tracking_main): Ditto.
4426 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4427 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4428 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4429 (execute_free_cfg_annotations): Ditto.
4430 (execute_fixup_cfg): Ditto.
4431 (execute_cleanup_cfg_pre_ipa): Ditto.
4432 (execute_cleanup_cfg_post_optimizing): Ditto.
4433 (execute_init_datastructures): Ditto.
4434 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4435 * gcc/combine.c (rest_of_handle_combine): Ditto.
4436 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4437 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4438 (rest_of_handle_reorder_blocks): Ditto.
4439 (rest_of_handle_partition_blocks): Ditto.
4440 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4441 * gcc/tree-profile.c (tree_profiling): Ditto.
4442 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4443 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4444 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4445 (rest_of_handle_sched2): Ditto.
4446 * gcc/basic-block.h (free_bb_insn): Ditto.
4447 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4448 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4449 (remove_useless_stmts): Ditto.
4450 (split_critical_edges): Ditto.
4451 (execute_warn_function_return): Ditto.
4452 (execute_warn_function_noreturn): Ditto.
4453 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4454 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4455 * gcc/passes.c (execute_one_pass): Run additional
4456 todos returned by execute function.
4457 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4460 2006-03-02 Richard Guenther <rguenther@suse.de>
4462 * tree-ssa-alias.c (find_used_portions): Consider taking
4463 the address as making the variable not write-only.
4465 2006-03-02 Nick Clifton <nickc@redhat.com>
4467 * config.gcc (default_use_cxa_atexit): Extend the description of
4468 this configure variable. Set its default value to "yes" for
4469 Linux, NetBSD and ELF targets on the assumption that they will
4470 use C libraries with the __cxa_atexit function.
4472 2006-03-02 Ben Elliston <bje@au.ibm.com>
4474 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4475 parameter as unused to suppress a build warning.
4477 2006-03-02 Ben Elliston <bje@au.ibm.com>
4479 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4482 2006-03-01 Roger Sayle <roger@eyesopen.com>
4485 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4486 declared name, the weak reference name, and the typeof name.
4487 (__gthrw): Avoid expanding the declared name suffix.
4488 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4490 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4492 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4494 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4495 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4496 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4497 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4498 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4499 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4500 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4501 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4502 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4503 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4504 (DW_END_default, DW_END_big, DW_END_little): New.
4505 (DW_END_lo_user, DW_END_hi_user): Define.
4506 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4507 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4508 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4511 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4513 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4515 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4517 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4519 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4521 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4522 to 'symbol_mem_tag'.
4524 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4527 2006-03-01 Roger Sayle <roger@eyesopen.com>
4529 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4531 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4534 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4535 MACHO_DYNAMIC_NO_PIC_P.
4536 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4538 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4541 * config/darwin-protos.h (darwin_asm_output_anchor):
4543 * config/darwin-sections.def (cstring_section):
4544 Add SECTION_MERGE to the flags.
4545 (literal4_section): Likewise.
4546 (literal8_section): Likewise.
4547 (objc_selector_refs_section): Likewise.
4548 (objc_cls_refs_section): Likewise.
4549 * config/darwin.c (darwin_asm_output_anchor): New
4551 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4553 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4555 Fix PR tree-optimization/26443
4556 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4557 to todo and PROP_tmt_usage to properties_destroyed.
4558 * tree-ssa-ccp.c (pass_ccp): Ditto.
4559 (pass_store_ccp): Ditto.
4560 * tree-ssa-dom.c (pass_dominator): Ditto.
4562 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4564 * tree-ssa-operands.c: Cleanup whitespace.
4565 (get_asm_expr_operands): Move before first invocation.
4566 (get_indirect_ref_operands): Likewise.
4567 (get_tmr_operands): Likewise.
4568 (get_call_expr_operands): Likewise.
4569 (append_def): Likewise.
4570 (append_use): Likewise.
4571 (append_v_may_def): Likewise.
4572 (append_v_must_def): Likewise.
4573 (add_call_clobber_ops): Likewise.
4574 (add_call_read_ops): Likewise.
4575 (add_stmt_operand): Likewise.
4576 (add_virtual_operand): Likewise.
4577 (build_ssa_operands): Likewise.
4579 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4584 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4585 with a call expr to ...
4586 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4588 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4590 * tree-vrp.c (extract_range_from_assert): Remove special
4591 handling for types with super-types.
4593 2006-03-01 Ben Elliston <bje@au.ibm.com>
4595 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4596 and powerpc64-*-linux* configurations.
4597 * config/t-dfprules: New file.
4599 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4600 Compile dfp-bit.c from the source directory using -DWIDTH and
4601 $DFP_CFLAGS to control the compilation of that file, rather than
4602 generating width-specific versions in the build directory.
4603 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4604 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4606 2006-02-28 Zack Weinberg <zackw@panix.com>
4608 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4611 2006-02-28 Eric Christopher <echristo@apple.com>
4613 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4614 Set up IN_LIBGCC definition of TARGET_64BIT.
4615 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4617 2006-02-28 Roger Sayle <roger@eyesopen.com>
4620 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4621 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4622 cases via the construction of "expr != 0".
4624 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4626 * alias.c (alias_invariant, alias_invariant_size): Remove.
4627 (record_base_value): Remove.
4628 (memrefs_conflict_p): Don't look at alias_invariant.
4629 (end_alias_analysis): Don't free it.
4630 * alias.h (record_base_value): Remove prototype.
4632 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4633 Adam Nemet <anemet@caviumnetworks.com>
4635 * rtl.h (truncated_to_mode): Declare it.
4636 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4637 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4638 (RTL_HOOKS_INITIALIZER): Include it.
4639 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4640 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4641 reg_truncated_to_mode.
4642 * rtlanal.c (truncated_to_mode): Define it.
4643 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4645 2006-02-28 Jeff Law <law@redhat.com>
4647 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4648 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4649 the range allowed by TYPE_PRECISION.
4651 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4653 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4655 PR tree-optimization/26419
4656 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4659 2006-02-27 Zack Weinberg <zackw@panix.com>
4661 * doc/md.texi: Fix typo in previous change.
4663 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4667 2006-02-27 Zack Weinberg <zackw@panix.com>
4669 * rtl.def (define_constraint, define_register_constraint)
4670 (define_memory_constraint, define_address_constraint): New MD forms.
4671 * gensupport.c (process_rtx): Put define_constraint etc on the
4673 * genpreds.c (process_define_predicate): Adjust comment. Validate
4674 the name, and call validate_exp to validate the expression.
4675 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4676 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4677 all callers changed.
4678 (validate_exp, needs_variable, struct constraint_data)
4679 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4680 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4681 (const_dbl_constraints, constraint_max_namelen)
4682 (have_register_constraints, have_memory_constraints)
4683 (have_address_constraints, have_address_constraints)
4684 (have_extra_constraints, have_const_int_constraints)
4685 (have_const_dbl_constraints, mangle, add_constraint)
4686 (process_define_constraint, process_define_register_constraint)
4687 (write_enum_constraint_num, write_lookup_constraint)
4688 (write_insn_constraint_len, write_regclass_for_constraint)
4689 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4690 (write_insn_extra_memory_constraint)
4691 (write_insn_extra_address_constraint)
4692 (write_satisfies_constraint_fns): New.
4693 (write_tm_preds_h): If we have new-style constraint definitions,
4694 prototype the functions generated from them, and define the
4695 old constraint interface (still used by generic code) in terms of
4697 (write_insn_preds_c): If we have new-style constraint definitions,
4698 generate all relevant functions from those definitions.
4699 (main): Handle define_constraint etc.
4700 * genoutput.c (struct constraint_data, indep_constraints)
4701 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4702 (mdep_constraint_len): New data structures and functions, defined
4703 #ifdef USE_MD_CONSTRAINTS.
4704 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4705 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4706 use new logic to validate operand constraints against constraint
4708 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4710 * defaults.h: If none of the old-style constraint macros are
4711 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4712 old-style macros; and poison REG_CLASS_FROM_LETTER,
4713 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4715 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4716 * doc/md.texi: Document new constraint-definition mechanism and the
4717 C interface it provides. Remove references to old mechanism
4718 elsewhere in the document.
4719 (Machine Constraints): Use pathnames relative to gcc directory,
4720 i.e. config/ARCH/FILE. Change i386 section to refer to
4721 config/i386/predicates.md; update that section to match docstrings.
4722 * doc/tm.texi: Move all documentation of the old constraint-
4723 definition macros to their own section, clearly mark as obsolete.
4725 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4726 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4728 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4729 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4730 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4732 (splits and peepholes): Use satisfies_constraint_*.
4733 * config/i386/i386.c (memory_address_length)
4734 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4736 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4738 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4739 scalar operation to be put back into the loop.
4741 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4744 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4745 (extract_cie_info): Handle S flag in augmentation string.
4746 (execute_cfa_program): If context->signal_frame, execute also
4747 fs->pc == context->ra instructions.
4748 (uw_frame_state_for): If context->signal_frame, don't subtract one
4749 from context->ra to find FDE.
4750 (uw_update_context_1): Set context->signal_frame to
4752 (_Unwind_GetIPInfo): New function.
4753 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4754 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4756 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4757 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4758 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4759 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4760 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4761 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4762 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4763 x86_64_fallback_frame_state): Set fs->signal_frame.
4764 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4765 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4766 (frob_update_context): Likewise. Workaround missing S flag in
4767 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4768 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4769 Remove the psw_addr + 1 hack.
4771 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4773 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4774 with aggregates here.
4775 (find_func_aliases): Remove code for &<aggregate> from here.
4777 2006-02-26 Roger Sayle <roger@eyesopen.com>
4779 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4780 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4781 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4784 2006-02-26 Roger Sayle <roger@eyesopen.com>
4787 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4789 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4791 * opts.c (decode_options): Do not handle flag_strength_reduce.
4792 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4793 and OPT_fstrength_reduce.
4794 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4795 flag_prefetch_loop_arrays for being nonzero.
4796 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4798 (fprefetch-loop-arrays-rtl): Removed.
4799 (flag_prefetch_loop_arrays): Do not specify the value.
4801 * doc/passes.texi: Update documentation of loop optimizer
4803 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4804 -frerun-loop-opt): Remove.
4806 2006-02-26 Richard Guenther <rguenther@suse.de>
4808 PR tree-optimization/26421
4809 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4810 in function calls that are ADDR_EXPRs as using the whole structure.
4812 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4814 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4815 * tree-pass.h (pass_loop_optimize): Remove.
4816 * passes.c (pass_loop_optimize): Never run it.
4817 * toplev.c (backend_init): Don't call init_loop.
4818 * opts.c (flag_loop_optimize_set): Remove.
4819 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4820 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4821 the old RTL loop optimizer when profiling enabled.
4822 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4823 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4824 pre-headers for the sake of the old RTL loop optimizer.
4825 * Makefile.in: Remove all references to loop.o.
4827 * doc/invoke.texi: Remove all references to -floop-optimize
4828 and -frerun-loop-opt.
4830 2006-02-26 Zack Weinberg <zackw@panix.com>
4832 * doc/md.texi (Machine Constraints): Refer to all files with paths
4833 relative to gcc directory (i.e. config/CPU/file). Add missing
4834 @table @code ... @end table to M32C subsection.
4836 2006-02-26 Roger Sayle <roger@eyesopen.com>
4838 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4840 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4842 2006-02-26 Roger Sayle <roger@eyesopen.com>
4843 James A. Morrison <phython@gcc.gnu.org>
4846 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4847 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4848 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4849 signedness of the shift operation.
4851 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4853 PR tree-optimization/26359
4854 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4856 2006-02-25 Roger Sayle <roger@eyesopen.com>
4858 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4859 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4860 as X == 0, and some symmetry related transformations.
4861 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4863 2006-02-25 Roger Sayle <roger@eyesopen.com>
4866 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4867 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4868 symmetry related transformations. Fold (X^C1) == C2 as
4871 2006-02-25 Juergen Weigert <jw@suse.de>
4872 Richard Guenther <rguenther@suse.de>
4874 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4876 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4878 * combine.c (gen_lowpart_or_truncate): Call
4879 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4881 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4883 * doc/invoke.texi: Move -fopenmp description to "Options for
4885 Remove reference to -lgomp.
4887 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4889 * doc/install.texi: Require GNU tar version 1.14.
4891 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4893 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4894 * doc/invoke.texi (C++ Dialect Options): Document
4895 -fno-use-cxa-get-exception-ptr.
4896 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4897 * configure: Regenerate.
4898 * c.opt (fuse-cxa-get-exception-ptr): New.
4899 * c-opts.c (c_common_handle_option): Handle
4900 OPT_fuse_cxa_get_exception_ptr.
4901 * c-common.c (flag_use_cxa_atexit): Update documentation.
4902 (flag_use_cxa_get_exception_ptr): New.
4903 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4904 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4906 (C_COMMON_OVERRIDE_OPTIONS): New.
4908 2006-02-24 Roger Sayle <roger@eyesopen.com>
4911 * combine.c (try_combine): Explicitly check whether GET_CODE is
4912 a SET or a CLOBBER, instead on checking that it isn't a USE.
4914 2006-02-24 Roger Sayle <roger@eyesopen.com>
4916 * fold-const.c (fold_comparison): New subroutine of fold_binary
4917 containing transformations common to both the equality and
4918 ordering relational operators, factored out of fold_binary.
4919 (fold_binary): Separate out the equality operators (EQ_EXPR
4920 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4921 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4922 transformations common to both.
4923 (fold_div_compare): Fix latent bugs in the previously unreachable
4924 LT_EXPR and GE_EXPR cases.
4926 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4928 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4929 decl libname for clog to __clog on AIX.
4931 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4933 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4936 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4937 output traceback table for thunks. Localise rs6000_stack_info call.
4939 2006-02-23 Roger Sayle <roger@eyesopen.com>
4940 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4942 * gthr-posix.h (__gthrw): Fix typo in comment.
4944 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4946 * doc/cpp.texi (Character sets): Document that we do support
4947 input files to be in any character set.
4949 2006-02-23 Jeff Law <law@redhat.com>
4951 * tree.h (PHI_ARG_NONZERO): Remove.
4952 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4953 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4954 node to the new node.
4956 PR tree-optimization/26425
4957 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4958 min/max, then assume its varying.
4960 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4962 PR rtl-optimization/26316
4963 * rtlanal.c (enum may_trap_p_flags): New.
4964 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4965 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4966 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4967 (may_trap_after_code_motion_p): New function.
4968 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4969 (find_invariant_insn): Use may_trap_after_code_motion_p.
4970 * rtl.h (may_trap_after_code_motion_p): Declare.
4972 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4974 * emit-rtl.c (immed_double_const): Cleanup.
4976 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4978 Fix PR tree-optimization/26376
4979 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4982 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4985 * gimplify.c (omp_add_variable): Guard variable size decl test with
4986 DECL_SIZE (decl) check.
4988 2006-02-23 Richard Guenther <rguenther@suse.de>
4991 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4992 like aggregate types.
4994 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4996 * configure.ac: Add --with{,out}-long-double-128 configure option.
4997 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4998 * configure: Rebuilt.
4999 * config.in: Rebuilt.
5000 * doc/install.texi (Options specification): Document
5001 --with-long-double-128.
5003 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5004 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5005 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5006 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5008 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5010 * config/s390/s390.c (override_options): Handle
5011 TARGET_DEFAULT_LONG_DOUBLE_128.
5013 * config/alpha/alpha.c (override_options): Handle
5014 TARGET_DEFAULT_LONG_DOUBLE_128.
5016 * config/sparc/sparc.c (sparc_override_options): Handle
5017 TARGET_DEFAULT_LONG_DOUBLE_128.
5019 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5021 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5022 (real-install-headers-tar, real-install-headers-cpio)
5023 (real-install-headers-cp): New targets.
5025 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5027 * tree.h (variable_section): Delete.
5028 * varasm.c (variable_section): Delete.
5030 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5032 * install.texi: Add notes on install.texi2html.
5033 (Building in parallel): Do not use footnotes.
5035 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5038 * doc/install.texi (Configuration): Document --disable-libgomp.
5040 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5042 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5044 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5046 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5047 (vec_extractv2df_0_sse): New.
5049 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5051 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5052 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5053 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5054 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5055 to the result of the expression.
5056 (def_cfa_1): Adjust.
5057 (frame_pointer_cfa_offset): Rename to...
5058 (frame_pointer_fb_offset): ... this. Adjust all uses.
5059 (convert_cfa_to_loc_list): Rename to...
5060 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5061 Pass it on to build_cfa_loc.
5062 (compute_frame_pointer_to_cfa_displacement): Rename to...
5063 (compute_frame_pointer_to_fb_displacement): ... this. New
5064 offset parameter. Use it in computation.
5065 (gen_subprogram_die): Compute cfa_fb_offset with the new
5066 macro, and use it to compute the fb loc list and the
5069 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5071 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5072 replaced with register_operand.
5073 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5074 non-DREG is expensive.
5075 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5076 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5079 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5081 * doc/install.texi2html: Use set -e.
5083 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5085 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5086 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5087 * doc/invoke.texi (-fshared-data): Delete.
5088 * common.opt (fshared-data): Delete.
5089 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5090 (assemble_static_space): Remove #if 0 code.
5091 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5092 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5093 * config/cris/cris.h: Remove FIXME.
5095 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5097 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5100 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5103 * combine.c (simplify_shift_const_1): Disable nested shifts
5104 optimization for vector shifts.
5106 2006-02-20 Roger Sayle <roger@eyesopen.com>
5108 PR tree-optimization/26361
5109 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5110 of unsigned integer types.
5112 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5114 * tree-chrec.c (eq_evolutions_p): New.
5115 * tree-chrec.h (eq_evolutions_p): Declared.
5116 * tree-data-ref.c: Fix formatting.
5117 (datadep_stats, dependence_stats): New.
5119 (print_direction_vector): New.
5120 (dump_data_dependence_relation): Use print_direction_vector.
5121 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5122 (compute_subscript_distance): Static.
5123 (initialize_data_dependence_relation): Static. Get the number
5124 of loops surrounding the references from the callers, and initialize
5125 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5126 base_object_differ_p analyzers.
5127 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5128 compute_overlap_steps_for_affine_1_2,
5129 analyze_subscript_affine_affine): Count the classified dependences.
5130 Print a message when a test failed.
5131 (can_use_analyze_subscript_affine_affine): New.
5132 (analyze_siv_subscript): Compute the data dependences on symbolic
5133 scevs that verify can_use_analyze_subscript_affine_affine.
5134 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5135 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5136 Handle symbolic scevs.
5137 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5139 (subscript_dependence_tester): Moved...
5140 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5141 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5142 DDR_SIZE_VECT instead of getting it in parameter.
5143 (subscript_dependence_tester): ... here. Take as a parameter
5144 loop_nest_depth. Call build_classic_dist_vector and
5145 build_classic_dir_vector.
5146 (compute_affine_dependence): Update subscript_dependence_tester
5147 parameters. Update datadep_stats counters. Call
5148 compute_subscript_distance.
5149 (compute_self_dependence): Save the dist and dir vectors. Call
5150 compute_subscript_distance.
5151 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5152 (compute_all_dependences): Reorder parameters as they were before
5153 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5154 compute_subscript_distance. Update the use of
5155 compute_affine_dependence and initialize_data_dependence_relation.
5156 (find_data_references_in_loop): Handle COMPONENT_REF.
5157 (compute_data_dependences_for_loop): Initialize dependence_stats.
5158 Don't call build_classic_dist_vector and build_classic_dir_vector.
5159 Update the parameters of initialize_data_dependence_relation and
5160 compute_all_dependences. Print the statistics from datadep_stats.
5161 (analyze_all_data_dependences): Static. Not used until the pass for
5162 checking the data dependences is contributed.
5163 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5164 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5165 (initialize_data_dependence_relation, compute_affine_dependence,
5166 analyze_all_data_dependences, compute_subscript_distance): Removed.
5167 (print_direction_vector): New.
5168 * lambda.h (gcd): ... here.
5169 (lambda_vector_gcd): Moved here from gcd_vector.
5170 * lambda-code.c (gcd, gcd_vector): Removed.
5171 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5172 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5174 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5176 * ipa-type-escape.c: Tidy some comments and white space.
5177 * tree-ssa-operands.c: Likewise.
5179 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5182 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5183 (dump_decl_name): Do not walk the decl tree chains.
5184 * tree-pass.h (TDF_CHAIN): Remove.
5186 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5188 * Makefile.in (C): Remove
5190 (.PHONY): Remove C and PROTO
5192 2006-02-20 Roger Sayle <roger@eyesopen.com>
5195 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5196 deprecated CHAR_TYPE tree code.
5198 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5200 * configure.ac (target_list): Add install-info, dvi, html.
5201 * configure: Regenerate.
5203 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5204 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5205 treelang/Make-lang.in: Do not use double-colon rules.
5207 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5209 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5210 (TMT_USED_ALONE): New macro.
5211 * tree-pass.h (PROP_tmt_usage): New property.
5212 (TODO_update_tmt_usage): New todo.
5213 * tree-ssa-alias.c (updating_used_alone): New variable.
5214 (recalculate_used_alone): New function.
5215 (compute_may_aliases): Set updating_used_alone, call
5216 recalculate_used_alone.
5217 * tree-sra.c (pass_sra): Note that this pass destroys
5218 PROP_tmt_usage, and add TODO_update_tmt_usage.
5219 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5220 * tree-flow.h (updating_used_alone): Prototype.
5221 (recalculate_used_alone): Ditto.
5222 * passes.c (execute_todo): Add code to set updating_used_alone,
5223 and call recalculate.
5224 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5225 for clobber if used alone, and add assert to verify used_alone
5228 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5230 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5231 for non tls symbols added.
5232 (legitimize_address): Do nothing for PLUS expressions if one of the
5233 addends is a tls symbol reference.
5235 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5239 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5241 * Makefile.in (BOOTSTRAPPING): New.
5242 (quickstrap): New definition if BOOTSTRAPPING=yes.
5244 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5245 * configure.ac: Substitute all_selected_languages with the languages
5246 that were configured. For all the other variables except
5247 lang_specs_files, include all the languages in the tree.
5248 * configure: Regenerate.
5250 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5251 if there is one. Run the commands to run fixincludes in the same
5254 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5255 * doc/install.texi: Document exact conventions for searching target tools.
5256 Document --with-build-time-tools. Document toplevel bootstrap. Document
5257 something more about building an Ada cross-compiler. Don't list GNU Make
5258 requirements which affect all platforms.
5260 2006-02-19 Roger Sayle <roger@eyesopen.com>
5263 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5264 only equivalent if the have both the same mode and precision.
5266 2006-02-20 Ben Elliston <bje@au.ibm.com>
5268 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5270 2006-02-19 Roger Sayle <roger@eyesopen.com>
5271 Steven Bosscher <stevenb.gcc@gmail.com>
5273 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5274 constant pool references to identify stack mode constants.
5275 * rtlanal.c (constant_pool_constant_p): New predicate to check
5276 whether operand is a floating point constant in the pool.
5277 * rtl.h (constant_pool_constant_p): Prototype here.
5278 * loop.c (scan_loop): Avoid hoisting constants from the constant
5279 pool on STACK_REGS targets.
5280 (load_mems): Likewise.
5281 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5282 loads into x87 registers expensive in terms of register pressure.
5284 2006-02-19 Roger Sayle <roger@eyesopen.com>
5286 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5287 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5289 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5291 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5292 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5294 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5296 * doc/invoke.texi: Document -fipa-pta.
5297 * common.opt: Add ipa-pta option.
5298 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5299 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5300 (do_ds_constraint): Ditto.
5301 (get_constraint_for): Only add to referenced_vars if
5302 referenced_vars exists.
5303 (insert_into_field_list): Rewrite to do this unsorted.
5304 (insert_into_field_list_sorted): Rename old insert_into_field_list
5306 (create_function_info_for): Use insert_into_field_list_sorted.
5307 (create_variable_info_for): Rewrite so it uses unsorted version,
5308 since the field list is sorted.
5309 (intra_create_variable_infos): Only add to referenced_vars if
5310 referenced_vars exists.
5311 (ipa_pta_execute): Init heapvars, and delete when done.
5312 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5314 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5316 * doc/install.texi: Add missing `@samp'.
5318 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5320 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5323 2006-02-18 Mark Wielaard <mark@klomp.org>
5325 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5326 who added new 4.1 features, bug fixes and integration support.
5328 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5331 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5334 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5336 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5337 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5338 (copy_insn_1): Likewise. Don't copy each field individually.
5340 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5342 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5343 * rtl.c (rtx_size): Rename variable to...
5344 (rtx_code_size): ...this.
5345 (rtx_size): New function.
5346 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5347 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5349 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5350 * rtl.h (rtx_code_size): New variable.
5351 (rtx_size): Change from a variable to a function.
5352 (RTX_SIZE): Rename to...
5353 (RTX_CODE_SIZE): ...this.
5356 PR tree-optimization/17106
5357 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5358 (Anchored Addresses): New section.
5359 * doc/invoke.texi (-fsection-anchors): Document.
5360 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5361 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5362 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5363 * hooks.c (hook_bool_mode_rtx_false): New function.
5364 * hooks.h (hook_bool_mode_rtx_false): Declare.
5365 * gengtype.c (create_optional_field): New function.
5366 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5367 SYMBOL_REF_IN_BLOCK_P is true.
5368 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5369 (min_anchor_offset, max_anchor_offset): Likewise.
5370 (use_anchors_for_symbol_p): New hook.
5371 * toplev.c (compile_file): Call output_object_blocks.
5372 (target_supports_section_anchors_p): New function.
5373 (process_options): Check that -fsection-anchors is only used on
5374 targets that support it and when -funit-at-a-time is in effect.
5375 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5376 if the decl doesn't have one.
5377 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5378 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5379 of force_const_mem through use_anchored_address.
5380 (expand_expr_constant): New function.
5381 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5382 calling expand_expr for INDIRECT_REF.
5383 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5384 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5385 * expr.h (use_anchored_address): Declare.
5386 * loop-unroll.c: Don't declare rtx vectors here.
5387 * explow.c: Include output.h.
5388 (validize_mem): Call use_anchored_address.
5389 (use_anchored_address): New function.
5390 * common.opt (-fsection-anchors): New switch.
5391 * varasm.c (object_block_htab, anchor_labelno): New variables.
5392 (hash_section, object_block_entry_eq, object_block_entry_hash)
5393 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5394 (use_blocks_for_decl_p, change_symbol_section): New functions.
5395 (get_variable_section): New function, split out from assemble_variable.
5396 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5397 use_blocks_for_decl_p say so. Use change_symbol_section if the
5398 symbol has already been created.
5399 (assemble_variable_contents): New function, split out from...
5400 (assemble_variable): ...here. Don't output any code for
5401 block symbols; just pass them to place_block_symbol.
5402 Use get_variable_section and assemble_variable_contents.
5403 (get_constant_alignment, get_constant_section, get_constant_size): New
5404 functions, split from output_constant_def_contents.
5405 (build_constant_desc): Create a block symbol if use_object_blocks_p
5406 says so. Or into SYMBOL_REF_FLAGS.
5407 (assemble_constant_contents): New function, split from...
5408 (output_constant_def_contents): ...here. Don't output any code
5409 for block symbols; just pass them to place_section_symbol.
5410 Use get_constant_section and get_constant_alignment.
5411 (force_const_mem): Create a block symbol if use_object_blocks_p and
5412 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5413 (output_constant_pool_1): Add an explicit alignment argument.
5414 Don't switch sections here.
5415 (output_constant_pool): Adjust call to output_constant_pool_1.
5416 Switch sections here instead. Don't output anything for block symbols;
5417 just pass them to place_block_symbol.
5418 (init_varasm_once): Initialize object_block_htab.
5419 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5420 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5421 (place_block_symbol, get_section_anchor, output_object_block)
5422 (output_object_block_htab, output_object_blocks): New functions.
5423 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5424 (TARGET_ASM_OUT): Include it.
5425 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5426 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5427 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5428 (TARGET_INITIALIZER): Include them.
5429 * rtl.c (rtl_check_failed_block_symbol): New function.
5430 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5431 (block_symbol, object_block): New structures.
5432 (rtx_def): Add a block_symbol field to the union.
5433 (BLOCK_SYMBOL_CHECK): New macro.
5434 (rtl_check_failed_block_symbol): Declare.
5435 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5436 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5437 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5438 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5439 * output.h (output_section_symbols): Declare.
5440 (object_block): Name structure.
5441 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5442 (default_use_anchors_for_symbol_p): Declare.
5443 * Makefile.in (RTL_BASE_H): Add vec.h.
5444 (explow.o): Depend on output.h.
5445 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5446 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5447 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5448 (rs6000_use_blocks_for_constant_p): New function.
5450 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5452 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5454 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5457 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5460 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5462 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5466 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5469 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5470 instead of DECL_REGISTER.
5472 2006-02-18 Olivier Hainque <hainque@adacore.com>
5475 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5477 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5480 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5481 * opth-gen.awk: Handle Var and InverseMask together.
5482 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5483 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5484 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5485 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5487 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5488 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5489 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5490 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5491 LINUX_DYNAMIC_LINKER): Define.
5492 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5493 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5495 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5496 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5497 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5499 (TARGET_C99_FUNCTIONS): Don't define.
5500 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5501 GLIBC_DYNAMIC_LINKER.
5502 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5503 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5504 GLIBC_DYNAMIC_LINKER64): Define.
5505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5506 LINUX_DYNAMIC_LINKER64.
5507 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5509 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5511 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5513 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5514 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5515 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5517 and LINUX_DYNAMIC_LINKER32.
5518 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5520 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5521 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5522 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5524 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5525 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5526 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5527 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5528 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5529 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5530 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5531 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5532 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5533 LINUX_DYNAMIC_LINKER): Define.
5534 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5535 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5536 GLIBC_DYNAMIC_LINKER64): Define.
5537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5538 LINUX_DYNAMIC_LINKER64.
5539 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5540 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5541 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5542 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5543 LINUX_DYNAMIC_LINKER): Define.
5544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5545 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5546 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5547 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5548 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5549 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5550 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5551 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5552 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5553 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5554 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5555 * doc/invoke.texi (-muclibc): Remove caveat about supported
5558 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5560 * doc/cpp.texi (__TIMESTAMP__): Document.
5562 2006-02-17 Roger Sayle <roger@eyesopen.com>
5565 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5566 C is one less than the width of X (and related transformations).
5567 * simplify-rtx.c (simplify_unary_operation_1): Transform
5568 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5569 depending on STORE_FLAG_VALUE, were C is one less then the
5572 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5574 Fix PR tree-optimization/26341
5575 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5576 about NAME_MEMORY_TAG's.
5578 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5581 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5582 with hardware float support, and software float support. Add fcpy
5583 alternative to hardware patterns. Add alternatives to copy between
5584 general and floating-point registers to the 32-bit pattern.
5585 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5586 secondary reload to load a QI or HI mode constant into a floating
5588 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5589 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5591 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5594 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5596 (load_macho_picbase_di): Likewise.
5598 2006-02-16 Jeff Law <law@redhat.com>
5600 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5601 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5602 (ssa_name_nonzero_p): Likewise.
5603 (get_value_range): Return NULL if VRP is not running.
5604 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5605 VRP routines do not discover a range.
5606 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5607 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5608 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5609 (tree_expr_nonnegative_p): Similarly.
5610 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5611 (restore_nonzero_vars_to_original_value): Remove.
5612 (unsafe_associative_fp_binop): Remove.
5613 (tree_ssa_dominator_optimize): Remove initialization and
5614 finalization of nonzero_vars and nonzero_vars_stack.
5615 (dom_opt_initialize_block): No longer push marker on
5617 (dom_opt_finalize_block): No longer call
5618 restore_nonzero_vars_to_original_value.
5619 (record_equivalences_from_phis): No longer look for
5620 nonzero PHI arguments.
5621 (cprop_into_successor_phis): No longer propagate nonzero
5622 property into PHI arguments. Lose unused argument. Caller
5624 (record_equivalences_from_stmt): No longer record nonzero
5625 values for SSA_NAMEs.
5626 (lookup_avail_expr): No longer use nonzero_vars.
5628 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5629 for sizetype when sizetype is unsigned.
5631 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5633 PR rtl-optimization/25603
5634 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5635 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5636 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5637 with new meaning of SETS.
5639 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5644 * config/linux.opt: New file.
5645 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5646 LINUX_DYNAMIC_LINKER): Define.
5647 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5648 * config.gcc (*-*-linux*): Define extra_options.
5649 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5650 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5651 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5652 GLIBC_DYNAMIC_LINKER.
5653 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5654 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5655 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5656 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5657 * doc/invoke.texi (GNU/Linux Options): New section.
5659 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5661 * config/sparc/sparc.md (setjmp): Rewrite.
5662 (setjmp_32): Delete.
5663 (setjmp_64): Likewise.
5665 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5667 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5670 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5672 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5675 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5677 PR rtl-optimization/26296
5678 * Makefile.in (loop-invariant.c): Add except.h dependency.
5679 * loop-invariant.c: Include except.h.
5680 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5682 2005-02-16 Paul Brook <paul@codesourcery.com>
5684 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5687 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5689 PR rtl-optimization/25636
5690 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5691 when deciding whether an insn is an initializing insn.
5693 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5695 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5696 (tree_code_size): Ditto.
5697 * tree.h (struct tree_memory_tag): Remove parent_var.
5698 (struct tree_struct_field_tag): New.
5701 (union tree_node): Add sft member.
5702 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5704 (create_sft): Add size and offset argument, set SFT_OFFSET and
5706 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5707 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5708 * tree-flow-inline.h (get_subvar_at): Update for
5709 SFT_OFFSET/SFT_SIZE.
5710 (var_can_have_subvars): Ditto.
5711 (overlap_subvar): Ditto.
5712 * print-tree.c (print_node): Print out interesting things for
5714 * tree-flow.h (struct subvar): Remove offset and size members.
5715 * tree-ssa-operands.c (get_expr_operands): Update for
5716 get_indirect_ref_operands changes.
5717 (get_indirect_ref_operands): Call add_virtual_operand instead of
5718 add_stmt_operand. Only recurse on base var if requested.
5719 (access_can_touch_variable): New function.
5720 (add_stmt_operand): Split virtual operand handling into ...
5721 (add_virtual_operand): Here. Add offset, size, and for_clobber
5722 arguments. Prune alias sets.
5723 (add_call_clobber_ops): Call add_virtual_operand.
5725 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5728 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5730 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5731 than TREE_CODE as index into omp_clause_num_ops array.
5733 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5735 PR rtl-optimization/26184
5736 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5738 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5739 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5740 must_precede, must_follow and tobe_scheduled.
5743 * opts.c (common_handle_option): Free new_option pointer.
5744 * df-core.c (df_analyze): Free postorder pointer.
5746 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5748 * Makefile.in: Fix the examples about the use of stamps
5750 2006-02-15 Michael Matz <matz@suse.de>
5754 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5755 influenced by maximum_field_alignment or DECL_PACKED.
5756 (update_alignment_for_field): Ditto.
5757 (place_field): Ditto.
5758 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5761 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5763 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5764 (debug_flow_info): Pass it.
5765 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5766 * bb-reorder.c (reorder_basic_blocks): Likewise.
5767 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5768 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5769 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5770 * gcse.c (gcse_main, bypass_jumps): Likewise.
5771 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5772 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5773 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5774 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5775 * rtl.h (dump_flow_info): Adjust prototype.
5776 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5777 * var-tracking.c (variable_tracking_main): Likewise.
5778 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5779 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5782 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5784 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5787 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5789 PR tree-optimization/26209
5790 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5791 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5793 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5795 2006-02-14 Roger Sayle <roger@eyesopen.com>
5798 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5799 (X,Y) and the corresponding symmetry related transformations.
5800 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5801 (X,Y) and its symmetry related transformations.
5803 2006-02-14 Roger Sayle <roger@eyesopen.com>
5805 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5808 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5810 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5812 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5815 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5816 support COMDAT group.
5817 * configure: Regenerate.
5819 2006-02-14 Roger Sayle <roger@eyesopen.com>
5824 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5826 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5828 Fix PR tree-optimization/26260
5830 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5832 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5833 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5834 * tree-ssa-structalias.c (create_variable_info_for): Use
5835 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5837 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5839 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5841 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5842 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5843 of the ending condition.
5844 * tree-ssa-loop-manip.c: Include params.h.
5845 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5846 tree_unroll_loop): New functions.
5847 * tree-pass.h (pass_loop_prefetch): Declare.
5848 * loop.c (rest_of_handle_loop_optimize): Test for
5849 -fprefetch-loop-arrays-rtl.
5850 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5851 * timevar.def (TV_TREE_PREFETCH): New timevar.
5852 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5853 pass_loop_prefetch): New.
5854 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5855 (cleanup_tree_cfg_loop): Call scev_reset.
5856 * common.opt (fprefetch-loop-arrays-rtl): Add.
5857 * tree-ssa-loop-prefetch.c: New file.
5858 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5859 (new_temp_expr_table): Initialize expr_vars.
5860 (free_temp_expr_table): Cleanup expr_vars.
5861 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5862 expressions from being merged into one.
5863 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5864 (struct tree_niter_desc): Add control, bound and cmp fields.
5865 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5867 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5868 (tree-cfgcleanup.o): Add SCEV_H dependency.
5869 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5870 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5872 2006-02-14 Richard Guenther <rguenther@suse.de>
5874 PR tree-optimization/26258
5875 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5876 in PHI argument processing.
5878 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5880 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5881 new expression in the requested machine mode.
5883 2006-02-13 Roger Sayle <roger@eyesopen.com>
5885 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5886 directly, instead let do_compare_rtx_and_jump handle this for us.
5887 * expr.c (expand_expr_real_1): Likewise.
5888 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5889 before do_jump_by_parts_greater.
5890 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5891 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5893 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5895 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5897 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5899 PR rtl-optimization/26235
5900 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5901 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5904 2006-02-13 Jeff Law <law@redhat.com>
5906 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5909 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5912 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5913 twice if decl is a builtin. When trying again, call get_callee_fndecl
5914 first to verify it is still a builtin.
5916 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5918 * dwarf2out.c (base_type_die): Don't add AT_name here.
5919 (subrange_type_die): Don't add AT_name here.
5920 (modified_type_die): Rearrange code flow. Do add AT_name here.
5922 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5924 PR rtl-optimization/26247
5925 PR rtl-optimization/26248
5926 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5928 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5930 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5931 * config/fixtfdi.c: Likewise.
5932 * config/fixunstfdi.c: Likewise.
5933 * config/floatditf.c: Likewise.
5935 2006-02-13 Roger Sayle <roger@eyesopen.com>
5938 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5939 into (X,C2) if C1 is a subset of the bits of C2. Transform
5940 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5942 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5944 2006-02-13 Josh Conner <jconner@apple.com>
5947 * varasm.c (function_section): Check for section name before
5948 calling select_section on targets that define
5949 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5950 unlikely_text_section instead of hot_function_section if
5951 first_function_block_is_cold.
5953 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5956 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5958 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5960 PR rtl-optimization/26222
5961 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5962 after tree->rtl expansion.
5963 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5964 before passing it to emit_move_insn.
5966 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5968 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5970 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5971 Clarify documentation.
5972 * c-common.h (warn_write_strings): Remove.
5973 * c-common.c (warn_write_strings): Likewise.
5974 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5977 2006-02-12 Roger Sayle <roger@eyesopen.com>
5980 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5981 (do_jump_parts_zero_rtx): New function renamed from
5982 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5983 (do_jump_parts_equality_rtx): New function split out from
5984 do_jump_parts_equality. Old implementation renamed as above.
5985 Call do_jump_parts_zero_rtx if either operand is zero.
5986 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5987 do all of the heavy lifting.
5988 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5989 calling either do_jump_by_parts_greater_rtx or
5990 do_jump_by_parts_equality_rtx.
5991 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5992 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5993 moved to do_compare_rtx_and_jump, call it directly.
5994 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5995 mode argument. Call do_compare_rtx_and_jump.
5996 (emit_case_nodes): Update calls to do_jump_if_equal.
5998 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6000 PR rtl-optimization/26225
6001 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6003 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6005 PR rtl-optimization/26232
6006 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6008 2006-02-11 Jason Merrill <jason@redhat.com>
6011 * tree-inline.c (declare_return_variable): Just don't use the
6012 modify target if it's a gimple complex reg and the return slot
6015 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6017 * doc/contrib.texi: Update my entry.
6019 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6021 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6023 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6025 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6028 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6030 * doc/invoke.texi (-floop-optimize2): Removed.
6031 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6032 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6033 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6034 * common.opt (floop-optimize2): Removed.
6035 (fmove-loop-invariants): Enabled by default.
6037 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6039 * tree-if-conv.c (combine_blocks): Free the result of
6040 get_loop_exit_edges.
6042 2006-02-10 Jeff Law <law@redhat.com>
6044 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6046 PR tree-optimization/26213
6047 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6048 loop trying to follow SSA_NAME_VALUE chains.
6050 2006-02-10 Richard Guenther <rguenther@suse.de>
6052 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6053 deal with structures that end in implicitly variable sized arrays.
6055 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6057 PR rtl-optimization/24762
6058 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6061 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6063 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6064 (struct ivopts_data): Add regs_used field.
6065 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6066 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6067 instead of loop_data->regs_used;
6068 (free_loop_data): Do not free aux fields for loops.
6069 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6070 and tree_ssa_iv_optimize_finalize.
6072 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6074 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6076 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6079 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6080 computing the effective result type.
6082 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6085 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6086 (tree_overlaps_hard_reg_set): Declare.
6087 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6088 type and signature to match function type expected by walk_tree.
6089 (tree_overlaps_hard_reg_set): New function.
6090 (decl_conflicts_with_clobbers_p): Rename to:
6091 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6092 Use tree_overlaps_hard_reg_set. Changed caller.
6093 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6094 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6095 * cris.c (cris_md_asm_clobbers): Likewise.
6097 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6099 * reload1.c (emit_input_reload_insns): Delete code that tries to
6100 inherit using find_equiv_reg.
6102 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6104 * c-common.h (flag_const_strings): Don't declare.
6105 * c-common.c (flag_const_strings): Remove.
6106 * c.opt (fconst_strings): Remove.
6107 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6108 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6109 (c_common_init_options): Don't set flag_const_strings.
6110 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6112 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6114 * arm.md (tlobits_cbranch): New pattern.
6115 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6116 testing a single bit.
6118 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6121 * tree-ssa-pre.c (create_component_ref_by_pieces):
6122 Handle RETURN_DECL like VAR_DECL.
6124 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6127 * fold-const.c (fold_indirect_ref_1): Fold
6128 "*(foo *)&complexfoo" to "__real__ complexfoo"
6129 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6131 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6133 * tree-flow-inline.h (var_can_have_subvars):
6134 Volatile variables should not have subvariables.
6136 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6139 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6140 multiplying unsigned values.
6143 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6145 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6147 2006-02-08 Jason Merrill <jason@redhat.com>
6150 * tree.def: Elaborate on difference from MODIFY_EXPR.
6151 * doc/c-tree.texi (INIT_EXPR): Likewise.
6152 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6153 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6154 (gimplify_target_expr): Likewise.
6155 (gimplify_cond_expr): Remove target handling.
6156 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6157 (gimplify_expr): Clobber it here.
6158 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6159 Do return slot optimization if we have an INIT_EXPR.
6162 * tree-inline.c (declare_return_variable): Also clear
6163 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6166 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6169 * gimplify.c (gimplify_one_sizepos): Fix typo.
6171 2006-02-08 Jeff Law <law@redhat.com>
6173 PR tree-optimization/21417
6174 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6175 across a backedge if the control statement at the end of the
6176 block is data dependent on other statements in the same block.
6177 (record_temporary_equivalences_from_stmts): Remove over-conservative
6178 test for threading across backedges.
6180 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6181 control statement, handle all three special cases in the same
6182 manner as they all have the same desired solution. No longer
6183 special case edge flag updating when the post dominator is
6186 2006-02-08 Roger Sayle <roger@eyesopen.com>
6188 * tree.def (CHAR_TYPE): Remove.
6189 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6190 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6191 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6192 (gen_string_type_die): Delete unreachable function.
6194 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6195 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6196 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6197 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6198 * builtins.c (type_to_class): Likewise.
6199 * fold-const.c (fold_convert, build_range_check,
6200 merge_ranges): Likewise.
6201 * expr.c (count_type_elements): Likewise.
6202 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6203 * stor-layout.c (layout_type): Likewise.
6204 * ipa-type-escape.c (type_to_consider): Likewise.
6205 * gimplify.c (omp_firstprivatize_type_sizes,
6206 gimplify_type_sizes): Likewise.
6207 * explow.c (promote_mode): Likewise.
6208 * tree-sra.c (is_sra_scalar_type): Likewise.
6209 * varasm.c (output_constant): Likewise.
6210 * tree-inline.c (remap_type_1): Likewise.
6211 * convert.c (convert_to_pointer, convert_to_real,
6212 convert_to_integer, convert_to_complex): Likewise.
6214 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6216 * df-scan.c (df_def_record_1): A set destination may
6217 be a parallel regardless of mode.
6219 2006-02-08 Roger Sayle <roger@eyesopen.com>
6222 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6223 * config/mips/_tilib.c: Remove.
6224 * config/fixtfdi.c: New libgcc source file.
6225 * config/fixunstfdi.c: New source file.
6226 * config/floatditf.c: New source file.
6227 * config/floatunditf.c: New souce file.
6228 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6229 files above instead of config/mips/_tilib.c.
6230 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6232 2006-02-08 Jeff Law <law@redhat.com>
6234 PR tree-optimization/26169
6235 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6238 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6240 * df.h (DF_REG_SIZE): Return the length of the initialized
6243 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6245 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6246 __muldf3): Return a correctly signed zero.
6248 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6250 * passes.c (register_one_dump_file): Accept the current properties
6251 instead of pass number. Adjust call to dump_register. Remove
6253 (register_dump_files): Now a wrapper around...
6254 (register_dump_files_1): ... this one. Do not modify the pass
6256 (next_pass_1): Cosmetic fix.
6257 (execute_todo): Keep second parameter only. Use curr_properties
6258 instead of fetching it from the pass structure. Check and set
6260 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6261 instead of fetching it from the pass structure. Fix calls to
6262 execute_todo. Update curr_properties and initialize .vcg RTL dump
6263 after running the pass. Reset last_verified.
6264 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6266 (FIRST_AUTO_NUMBERED_DUMP): New.
6267 (dump_register): Remove "num" parameter, assign it within the
6269 (get_dump_file_name): Modify template for dumps.
6270 * tree-dump.h (dump_register): Adjust prototype.
6271 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6272 (PROP_trees): Add PROP_gimple_lomp.
6273 (TODO_set_props): New.
6274 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6275 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6276 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6278 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6280 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6281 (sparc64-*-linux*): Likewise.
6282 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6283 * config/sparc/t-linux: New file.
6284 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6285 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6286 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6287 -m32 -mlong-double-128.
6289 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6290 * config/alpha/t-linux: New file.
6291 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6293 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6294 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6295 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6296 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6297 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6298 (CPP_ARCH32_SPEC): Remove.
6300 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6302 PR tree-optimization/26145
6303 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6306 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6309 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6310 >= 240000 when generating code for SOM runtime.
6311 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6312 to $$dyncall when generating code for SOM runtime..
6314 2006-02-07 Dirk Mueller <dmueller@suse.com>
6317 * doc/invoke.texi (-Wsequence-point): Update documentation
6318 that -Wsequence-point is implemented for C++ as well.
6320 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6322 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6323 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6324 (LIB_SPEC): Likewise.
6325 * doc/invoke.texi (SPARC options): Document -pthread.
6327 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6329 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6332 2006-02-07 Roger Sayle <roger@eyesopen.com>
6334 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6335 Correct comment describing BOOLEAN_TYPE.
6337 2006-02-07 Dirk Mueller <dmueller@suse.com>
6339 * c.opt: C++ frontend supports -Wdiv-by-zero.
6340 * c-opts.c (c_common_handle_option): Remove dead case.
6342 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6344 * configure.ac (TLS assembler check): Do not enable TLS by
6345 default on SPARC/Solaris before version 10.
6346 * configure: Regenerate.
6348 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6350 * doc/invoke.texi (xl-compat): Document conversion and support
6353 2006-02-07 Jeff Law <law@redhat.com>
6355 * tree-vrp.c (find_conditional_asserts): Update comments.
6356 (simplify_stmt_for_jump_threading): New.
6357 (identify_jump_threads, finalize_jump_threads): New.
6358 (vrp_finalize): Call identify_jump_threads.
6359 (execute_vrp): Call finalize_jump_threads.
6360 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6361 (vrp_element, vrp_data, vrp_element_p): Remove.
6362 (vrp_hash_elt, vrp_variables_stack): Remove.
6363 (vrp_hash, vrp_eq, record_range): Remove.
6364 (simplify_cond_and_lookup_avail_expr): Remove.
6365 (extract_range_from_cond): Remove.
6366 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6367 (simplify_stmt_for_jump_threading): New.
6368 (dom_thread_across_edge): New wrapper.
6369 (tree_ssa_dominator_optimize): No longer initialize or
6370 finalize any of the VRP datastructures. Remove iteration
6371 step and simplify as a result of removal of iteration step.
6372 (pass_dominator): Perform a cfg cleanup after DOM.
6373 (dom_opt_finalize_block): Use the new common routines
6374 for threading jumps. Simplify stack management slightly.
6375 No longer need to unwind VRP state.
6376 (record_equivalences_from_incoming_edge): No longer record
6378 (eliminate_redundant_computations): No longer call
6379 simplify_cond_and_lookup_avail_expr.
6380 * tree-flow.h (potentially_threadable_block): Prototype.
6381 (thread_across_edge): Likewise.
6382 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6383 (tree-ssa-threadedge.o): Add dependencies.
6384 * tree-ssa-threadedge.c: New file.
6385 * passes.c (init_optimization_passes): Merge PHIs before
6386 calling VRP. Run VRP again late in the SSA optimization pipeline.
6388 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6390 * df-core.c (df_set_blocks): Do not dereference function pointers.
6391 (df_finish1): Likewise.
6392 (df_hybrid_search_forward): Likewise.
6393 (df_hybrid_search_backward): Likewise.
6394 (df_iterative_dataflow): Likewise.
6395 (df_analyze_problem): Likewise.
6396 (df_compact_blocks): Likewise.
6397 (df_dump): Likewise.
6398 * df-scan.c (df_rescan_blocks): Likewise.
6399 (df_record_entry_block_defs): Likewise.
6401 * genconditions.c (write_conditions): Guard the definition of
6402 'insn_conditions' with the check on GCC version.
6403 (write_writer): Guard the traversal 'insn_conditions' with
6404 the check on GCC version.
6406 2006-02-07 Richard Guenther <rguenther@suse.de>
6410 2006-01-30 Richard Guenther <rguenther@suse.de>
6412 * gimplify.c (gimplify_target_expr): Handle easy cases
6413 without creating a temporary.
6415 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6417 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6418 use of float in probability computations. Use edge probabilities
6419 in place of statically computed probabilities.
6420 (min_spec_prob): New static variable.
6421 (schedule_insns): Initialize it.
6422 (GET_SRC_PROB): Removed.
6423 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6425 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6428 * config/ia64/unwind-ia64.c: Revert last change.
6429 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6430 (INCOMING_FRAME_SP_OFFSET): Define.
6432 2006-02-06 Roger Sayle <roger@eyesopen.com>
6434 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6436 2006-02-07 Ben Elliston <bje@au.ibm.com>
6438 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6439 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6440 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6441 (ix86_return_in_memory): Handle TDmode.
6442 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6443 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6445 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6447 * reorg.c (dbr_schedule): Use dump_file instead of file.
6449 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6452 * config/ia64/predicates.md (extr_len_operand): New predicate.
6453 * config/ia64/ia64.md (extv): Tighten constraints.
6455 (*tbit_and_2): Ditto.
6456 (*tbit_and_3): Ditto.
6457 (*tbit_or_2): Ditto.
6458 (*tbit_or_3): Ditto.
6462 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6465 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6467 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6469 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6470 loop_optimizer_init and loop_optimizer_finalize
6471 * tree-ssa-sink.c (execute_sink_code): Ditto.
6472 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6473 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6474 tree_ssa_loop_done): Ditto.
6475 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6476 * sched-ebb.c: Include output.h.
6477 (schedule_ebbs): Do not use dump argument.
6478 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6479 * loop.c (loop_dump_stream): Removed.
6480 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6482 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6483 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6484 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6485 loop_iterations, strength_reduce, record_biv, record_giv,
6486 final_giv_value, check_final_value, check_ext_dependent_givs,
6487 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6488 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6489 dump_file instead of loop_dump_stream.
6490 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6492 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6494 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6495 * haifa-sched.c: Include output.h
6496 (schedule_insns, sched_init): Do not use dump argument.
6497 * mode-switching.c (optimize_mode_switching): Ditto.
6498 * modulo-sched.c (stats_file): Removed.
6499 (print_node_sched_params): Do not call argument dump_file.
6500 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6501 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6503 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6505 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6506 rtl_loop_init, rtl_loop_done): Ditto.
6507 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6508 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6510 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6511 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6512 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6513 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6514 * emit-rtl.c (renumber_insns): Ditto.
6515 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6516 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6517 * regclass.c (regclass): Ditto.
6518 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6519 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6520 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6521 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6523 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6524 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6526 * gcse.c (gcse_file, debug_stderr): Removed.
6527 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6528 rest_of_handle_gcse): Do not use dump argument.
6529 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6530 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6531 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6532 compute_code_hoist_vbeinout, compute_code_hoist_data,
6533 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6534 compute_store_table, build_store_vectors, insert_insn_start_bb,
6535 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6536 store_motion): Use dump_file instead of gcse_file.
6537 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6538 * profile.c (profile_dump_file): Removed.
6539 (branch_prob): Use dump_file instead of profile_dump_file.
6540 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6542 * tree-ssa-copy.c (dump_copy_of): Ditto.
6543 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6544 dump file to life_analysis.
6545 * bt-load.c (branch_target_load_optimize): Ditto.
6546 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6548 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6549 regclass, dbr_schedule): Declaration changed.
6550 * sched-int.h (sched_init): Declaration changed.
6551 * tree-profile.c (tree_profile_dump_file): Removed.
6552 (tree_profile_hooks): Removed profile_dump_file hook.
6553 * rtl-profile (rtl_profile_dump_file): Removed.
6554 (rtl_profile_hooks): emoved profile_dump_file hook.
6555 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6557 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6558 * tree-cfg.c (build_tree_cfg): Ditto.
6559 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6560 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6561 Declaration changed.
6562 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6563 life_analysis and schedule_insns.
6564 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6566 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6568 * config/mips/mips.c (mips_reorg): Ditto.
6569 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6572 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6574 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6575 (s390_mangle_fundamental_type): New.
6576 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6579 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6580 (alpha_mangle_fundamental_type): New.
6581 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6584 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6586 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6588 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6589 (sparc_mangle_fundamental_type): New.
6591 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6593 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6594 (s390x-*-linux*): Likewise.
6595 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6596 * config/s390/t-linux: New file.
6598 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6600 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6601 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6603 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6605 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6606 (ANTIC_SAFE_LOADS): New macro.
6607 (find_or_generate_expression): Add prototype.
6608 (set_contains_value): Allow null set for sake of not always having
6609 to allocate ANTIC_SAFE_LOADS.
6610 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6611 Allow COMPONENT_REF too.
6612 (valid_in_set): Allow COMPONENT_REF.
6613 Check ANTIC_SAFE_LOADS too.
6614 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6615 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6617 (can_PRE_operation): Add COMPONENT_REF.
6618 (create_component_ref_by_pieces): New function.
6619 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6620 (insert_aux): Move AGGREGATE_TYPE_P check here.
6621 (compute_avail): Set bb local stmt uids.
6622 (pass_pre): Use TODO_update_ssa_only_virtuals.
6624 2006-02-06 Ben Elliston <bje@au.ibm.com>
6626 * configure.ac: Unconditionally disable decimal float by default.
6627 * configure: Regenerate.
6629 2006-02-06 Ben Elliston <bje@au.ibm.com>
6631 * read-rtl.c (read_name): Terminate reading on EOF.
6633 2006-02-06 Ben Elliston <bje@au.ibm.com>
6635 * dfp.c (decimal_real_arithmetic): Change second argument type
6636 from int to enum tree_code. Do not always return true, but now
6637 return result of any call to decimal_do helper functions.
6638 * dfp.h (decimal_real_arithmetic): Update prototype.
6640 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6642 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6644 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6647 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6650 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6652 * tree-vrp.c (cfg_loops): Removed.
6653 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6654 Use current_loops instead of cfg_loops. Pass flags to
6655 loop_optimizer_init.
6656 * cfgloopmanip.c (fix_loop_structure): Update only available
6658 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6659 loop_optimizer_init.
6660 * modulo-sched.c (build_loops_structure): Removed.
6661 (sms_schedule): Use loop_optimizer_init.
6662 * loop-init.c (loop_optimizer_init): Use flags to determine
6663 which properties of loops to prepare.
6664 (rtl_loop_init): Pass flags to loop_optimizer_init.
6665 * tree-ssa-sink.c (execute_sink_code): Ditto.
6666 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6667 * tree-ssa-pre.c (init_pre): Ditto.
6668 * cfgloop.h (LOOPS_NORMAL): New.
6669 (loop_optimizer_init): Declaration changed.
6671 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6673 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6674 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6676 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6678 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6680 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6681 * pa/t-pa64: Delete quadlib.c rule.
6682 * pa/x-ada: Revert last change.
6683 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6685 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6687 PR rtl-optimization/26087
6688 * rtlanal.c (canonicalize_condition): Do not cross basic block
6691 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6694 * config/ia64/ia64.c: Include debug.h.
6695 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6696 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6697 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6698 (process_epilogue, process_set, process_for_unwind_directive):
6699 Output unwind info only if requested. Add CFA info if requested.
6700 Add new arguments as needed. Adjust callers.
6701 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6703 (DWARF2_FRAME_INFO): Define to zero.
6704 * config/ia64/unwind-ia64.c: Remove code that compensated for
6705 the CFA offset error fixed above.
6706 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6707 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6708 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6709 -funwind-tables and -fexceptions to enable frame info.
6710 (dwarf2out_frame_init): Define initial CFA even if
6711 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6712 DWARF2_UNWIND_INFO is nonzero, not just defined.
6713 (dwarf2out_frame_finish): Output non-EH call frame info only
6714 if DWARF2_FRAME_INFO is nonzero.
6715 (convert_cfa_to_loc_list,
6716 compute_frame_pointer_to_cfa_displacement): Define even if
6717 unwind info is not supported.
6718 (gen_subprogram_die): Use the above unconditionally. Remove
6719 legacy alternate code.
6720 * toplev.c (compile_file): Compile in call to
6721 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6722 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6724 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6725 Jakub Jelinek <jakub@redhat.com>
6727 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6728 IBM extended float format long double as "g" on powerpc*-linux.
6730 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6733 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6734 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6736 2006-02-03 Jason Merrill <jason@redhat.com>
6739 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6742 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6743 on the return slot if it's an NRV.
6745 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6747 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6748 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6749 rewrite_use): Do not handle USE_OUTER.
6750 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6751 add_iv_outer_candidates, may_replace_final_value,
6752 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6753 (find_interesting_uses_op): Functionality of
6754 find_interesting_uses_outer_or_nonlin moved here.
6755 (find_interesting_uses_outside): Use find_interesting_uses_op.
6757 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6760 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6762 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6763 Ulrich Weigand <uweigand@de.ibm.com>
6766 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6767 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6768 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6769 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6771 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6772 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6773 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6774 Define secondary reloads for TFmode moves.
6775 (constant_modes): Add TFmode.
6776 (NR_C_MODES): Set to 8.
6777 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6779 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6780 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6781 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6782 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6783 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6784 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6785 (FPR mode macro): Add TFmode.
6786 (DSF mode macro): New.
6787 (<de>, <dee> mode attributes): Removed.
6788 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6789 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6790 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6791 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6792 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6793 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6794 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6795 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6796 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6797 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6798 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6799 "*negabs<mode>2", "sqrt<mode>2"):
6800 Changed <de> to <xde>. R constraint replaced by <Rf>.
6801 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6803 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6804 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6805 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6807 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6808 "extenddftf2", "extendsftf2"): New expanders.
6809 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6810 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6811 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6812 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6814 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6815 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6816 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6817 __floatditf): Add a GCC_4.1.0 symbol version tag.
6818 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6821 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6824 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6825 Use targetm.binds_local_p instead of TREE_PUBLIC.
6827 2006-02-02 Roger Sayle <roger@eyesopen.com>
6829 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6830 on INTEGER_TYPEs to indicate that it denotes a character type.
6831 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6832 signed_char_type_node, unsigned_char_type_node and char_type_node.
6833 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6834 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6835 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6837 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6838 Daniel Berlin <dberlin@dberlin.org>
6840 * tree-tailcall.c (arg_needs_copy_p): New function.
6841 (eliminate_tail_call): Use arg_needs_copy_p.
6842 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6843 (add_virtual_phis): New function.
6845 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6847 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6848 #ignore instead of #scratch for %g7 .register directive.
6850 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6852 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6855 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6857 * flow.c (calculate_global_regs_live): Assert that there aren't any
6860 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6862 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6864 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6865 bsi_after_labels iterator.
6866 * tree-if-conv.c (find_phi_replacement_condition,
6867 replace_phi_with_cond_modify_expr): Likewise.
6868 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6869 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6871 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6873 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6875 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6878 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6879 array after growing it.
6881 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6884 * fold-const.c (fold_checksum_tree): Change type of buf.
6886 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6888 * reload.c (push_secondary_reload): Initialize t_icode.
6890 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6892 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6893 -msoft-float -mlong-double-128 only issue a warning, but don't
6894 swich to DFmode long double.
6896 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6898 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6899 has a constant equivalent, iterate over equivalents for arg0,
6900 calling simplify_relational_operation and if there's a result
6901 cheaper than X, apply fold_rtx and return the result.
6903 2006-02-01 Jan Hubicka <jh@suse.cz>
6905 * opts.c (no_unit_at_a_time_default): New global variable.
6906 (decode_options): Use it.
6907 * opts.h (no_unit_at_a_time_default): Declare.
6909 2006-02-01 Paul Brook <paul@codesourcery.com>
6911 * function.c (assign_parm_setup_reg): Use function argument promotion
6913 * expr.c (expand_expr_real_1): Use function argument promotion rules
6916 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6918 * gcc.c (process_command): Change j to 'unsigned int'.
6920 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6923 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6924 Use the corrected index for the character
6925 out of the string constant.
6927 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6929 * mode-switching.c (optimize_mode_switching): Fix size
6930 allocated for bb_info[n_entities].
6932 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6934 * gcc.c (main): Correct type that is allocated for
6935 explicit_link_files.
6937 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6939 * config/s390/s390.c (init_alignment_context): Set
6940 ALIAS_SET_MEMORY_BARRIER on the MEM.
6941 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6943 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6946 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6948 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6951 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6953 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6954 * regrename.c: Ditto.
6955 * tree-ssa-loop-im.c: Ditto.
6956 * tree-dump.c: Ditto.
6957 * tree-complex.c: Ditto.
6958 * genrecog.c: Ditto.
6959 * tree-ssa-threadupdate.c: Ditto.
6961 * java/class.c: Ditto.
6962 * java/jcf-parse.c: Ditto.
6963 * java/resource.c: Ditto.
6964 * java/except.c: Ditto.
6965 * java/jvspec.c: Ditto.
6966 * java/jcf-write.c: Ditto.
6967 * java/jcf-path.c: Ditto.
6968 * java/gjavah.c: Ditto.
6969 * java/zextract.c: Ditto.
6970 * java/jcf-io.c: Ditto.
6971 * java/jcf.h: Ditto.
6972 * java/buffer.c: Ditto.
6973 * java/lang.c: Ditto.
6974 * java/parse-scan.y: Ditto.
6975 * java/lex.c: Ditto.
6976 * java/lex.h: Ditto.
6977 * cfgloopmanip.c: Ditto.
6978 * postreload-gcse.c: Ditto.
6979 * tree-ssa-loop-manip.c: Ditto.
6980 * postreload.c: Ditto.
6981 * tree-ssa-loop-ch.c: Ditto.
6985 * diagnostic.c: Ditto.
6987 * genoutput.c: Ditto.
6989 * cfghooks.c: Ditto.
6990 * cfgloopanal.c: Ditto.
6991 * objc/objc-act.c: Ditto.
6993 * genextract.c: Ditto.
6994 * genautomata.c: Ditto.
6995 * pretty-print.c: Ditto.
6997 * cgraphunit.c: Ditto.
7000 * haifa-sched.c: Ditto.
7001 * dominance.c: Ditto.
7003 * tree-ssa-loop-ivopts.c: Ditto.
7005 * mode-switching.c: Ditto.
7006 * modulo-sched.c: Ditto.
7008 * ipa-pure-const.c: Ditto.
7010 * fix-header.c: Ditto.
7012 * tree-stdarg.c: Ditto.
7013 * ipa-utils.c: Ditto.
7014 * loop-init.c: Ditto.
7015 * ipa-inline.c: Ditto.
7018 * alloc-pool.c: Ditto.
7019 * dwarf2out.c: Ditto.
7021 * genattrtab.c: Ditto.
7022 * tree-ssa-loop-ivcanon.c: Ditto.
7026 * fortran/gfortranspec.c: Ditto.
7028 * local-alloc.c: Ditto.
7029 * langhooks.c: Ditto.
7030 * function.c: Ditto.
7031 * tree-vectorizer.c: Ditto.
7033 * ipa-type-escape.c: Ditto.
7035 * tree-if-conv.c: Ditto.
7038 * tree-data-ref.c: Ditto.
7039 * loop-unroll.c: Ditto.
7040 * treelang/treetree.c: Ditto.
7043 * ggc-common.c: Ditto.
7045 * coverage.c: Ditto.
7047 * tree-cfgcleanup.c: Ditto.
7048 * tree-ssa-pre.c: Ditto.
7049 * cfgcleanup.c: Ditto.
7050 * loop-invariant.c: Ditto.
7052 * ipa-prop.c: Ditto.
7053 * print-tree.c: Ditto.
7054 * conflict.c: Ditto.
7055 * ggc-page.c: Ditto.
7056 * sched-deps.c: Ditto.
7057 * regclass.c: Ditto.
7058 * tree-object-size.c: Ditto.
7060 * bb-reorder.c: Ditto.
7061 * resource.c: Ditto.
7062 * var-tracking.c: Ditto.
7064 * df-problems.c: Ditto.
7065 * reg-stack.c: Ditto.
7068 * sched-rgn.c: Ditto.
7069 * tree-ssa-structalias.c: Ditto.
7070 * tree-ssa-reassoc.c: Ditto.
7071 * config/darwin-c.c: Ditto.
7072 * config/darwin.c: Ditto.
7073 * config/arm/arm.c: Ditto.
7075 * collect2.c: Ditto.
7078 2006-01-31 Nicolas Pitre <nico@cam.org>
7080 * arm.md (smaxsi3): Make aware of smax_m1.
7083 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7085 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7087 2006-01-31 Richard Guenther <rguenther@suse.de>
7089 * doc/invoke.texi (-msselibm): Document.
7090 * target.h (expand_library_builtin): New target hook.
7091 * builtins.c (expand_builtin): Use expand_library_builtin.
7092 (default_expand_library_builtin): New function.
7093 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7094 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7095 (link_gcc_math_spec): Declare.
7096 (static_specs): Add link_gcc_math_spec.
7097 * expr.h (default_expand_library_builtin): Declare.
7098 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7099 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7100 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7101 * config/i386/i386.opt (msselibm): New target option.
7102 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7103 (ix86_init_sse_abi_builtins): New function.
7104 (ix86_expand_library_builtin): Likewise.
7105 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7106 (override_options): Handle error conditions wrt -msselibm.
7107 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7108 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7109 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7112 2006-01-31 Richard Guenther <rguenther@suse.de>
7113 Paolo Bonzini <bonzini@gnu.org>
7115 * doc/install.texi (--disable-libgcc-math): Document.
7117 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7119 * expr.h (expand_normal): new inline function.
7120 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7122 * dwarf2out.c: use it.
7127 * config/sparc/sparc.c: use it.
7128 * config/i386/i386.c: use it.
7129 * config/rs6000/rs6000.c: use it.
7130 * config/arm/arm.c: use it.
7131 * config/mips/mips.c: use it.
7132 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7134 2006-01-30 Roger Sayle <roger@eyesopen.com>
7136 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7137 argv to the appropriate type.
7139 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7141 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7144 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7147 * config/s390/s390.c (struct machine_function): New flag
7148 decomposed_literal_pool_addresses_ok_p.
7149 (s390_reorg): Set it before final stage of literal pool transforms.
7150 (s390_decompose_address): Only accept displacements of the form
7151 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7153 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7155 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7156 the comparison routine return.
7158 2006-01-30 Michael Matz <matz@suse.de>
7160 * global.c (find_reg): Only evict for global regs.
7161 Take n_refs into account and dump more info.
7163 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7166 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7167 (pragma_trap, pragma_nosave_low_regs): Likewise.
7168 (current_function_anonymous_args): Likewise.
7169 (sh_deferred_function_attributes): New variable.
7170 (sh_deferred_function_attributes_tail): Likewise.
7171 (print_operand): For '@', look up trap_exit attribute.
7172 (calc_live_regs): Look up trapa_handler attribute. For trapa
7173 handlers, save/restore fpscr, but don't do any other
7174 interrupt-specific saves.
7175 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7176 Fix check for partially saved registers to check for SHmedia.
7177 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7178 (sh_output_function_epilogue): Don't clear any of the removed
7180 (sh_insert_attributes): Don't check pragma_interrupt.
7181 Insert deferred attributes. Check that interrupt attribute is
7182 present for other attributes that require its presence.
7183 (sh_attribute_table): Add new attributes trapa_handler and
7185 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7186 Don't check for pragma_interrupt. Don't store argument.
7187 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7188 (sh_deferred_function_attributes): Declare.
7189 (sh_deferred_function_attributes_tail): Likewise.
7190 * sh.md (sp_switch_1): Add operand. Change generator caller.
7191 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7192 (*return_i): Don't use when trap_exit attribute is in effect.
7193 (*return_trapa): New insn pattern.
7195 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7196 setting c_target_objs and cxx_target_objs.
7197 * t-sh: Add rule for sh-c.o.
7199 2006-01-30 Richard Guenther <rguenther@suse.de>
7202 * gimplify.c (gimplify_target_expr): Handle easy cases
7203 without creating a temporary.
7205 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7207 * vec.h (safe_grow): Remove duplicated line.
7209 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7212 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7213 (expand_omp): ... here.
7214 (expand_omp_parallel): Only remove barriers for combined
7215 parallel+workshare constructs.
7217 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7221 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7222 * tree.c (build_qualified_type): Chain the new type to the original
7223 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7224 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7225 (build_pointer_type_for_mode): Only return unqualified types.
7226 (build_reference_type_for_mode): Likewise.
7228 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7230 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7231 * Makefile.in (CXX_COMPAT_WARN): Define.
7232 * configure: Regenerate.
7234 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7237 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7240 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7242 * toplev.c: Fix thinko.
7244 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7245 Marcin Dalecki <martin@dalecki.de>
7247 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7248 (push_srcloc): Use XNEW.
7249 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7251 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7253 * df-core.c (df_set_blocks): Deleted all variable.
7255 2006-01-28 Ian Lance Taylor <ian@airs.com>
7257 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7258 cgraph_output_pending_asms.
7260 2006-01-28 Zack Weinberg <zackw@panix.com>
7262 * c.opt: Add -W(no-)overlength-strings.
7263 * doc/invoke.texi: Document it.
7264 * c-opts.c (c_common_handle_option): -pedantic implies
7265 -Woverlength-strings, if not explicitly disabled already.
7266 (c_common_post_options): -Woverlength-strings defaults to off, and
7267 is always off for C++.
7268 * c-common.c (fix_string_type): Issue warning about strings longer
7269 than is portable only if warn_overlength_strings. Rearrange code
7270 a little for clarity.
7271 * configure.in: Check for -Wno-overlength-strings as well before
7272 enabling -pedantic in stage 1.
7273 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7274 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7276 * genconditions.c (write_header, write_one_condition)
7277 (write_conditions, write_writer): Consolidate very long strings
7278 that were broken up to fit in C89 portable limit. Don't use
7279 printf when fputs will do.
7281 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7283 * combine.c (simplify_comparison <AND>): Check
7284 TRULY_NOOP_TRUNCATION before start using a subreg.
7286 * config/mips/mips.md (*branch_zero<mode>,
7287 *branch_zero<mode>_inverted, *branch_equality<mode>,
7288 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7289 Remove mode check from comparisons.
7291 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7293 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7295 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7297 * expmed.c (const_mult_add_overflow_p): Remove.
7298 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7300 * recog.c (validate_replace_rtx_subexp): Remove.
7301 * recog.h: Remove the prototype for
7302 validate_replace_rtx_subexp.
7304 * integrate.h: Remove the prototype for
7305 copy_decl_for_inlining.
7306 * rtl.h: Remove the prototype for mark_constant_function.
7307 * tree-vectorizer.h: Remove the prototype for
7308 vect_strip_conversion.
7310 * modulo-sched.c (create_partial_schedule,
7311 free_partial_schedule, reset_partial_schedule): Make them
7314 * hooks.c (hook_bool_rtx_int_false): Remove.
7315 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7317 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7319 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7320 and -mlong-double-128 are incompatible.
7321 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7322 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7323 (TARGET_LIBGCC2_CFLAGS): Define.
7324 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7325 (TARGET_LIBGCC2_CFLAGS): Same.
7326 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7328 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7331 * c-typeck.c (build_binary_op): Perform implicit casts of
7332 operands before shortening them.
7334 * cfgloopmanip.c (split_loop_bb): Remove.
7335 * cfgloop.h: Remove the prototype for split_loop_bb.
7337 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7338 * cfgloop.h: Remove the prototype for
7339 flow_loop_outside_edge_p.
7341 * emit-rtl.c (init_virtual_regs): Make it static.
7342 * function.h: Remove the prototype for init_virtual_regs.
7344 * recog.c (peephole2_optimize): Make it static.
7345 * recog.h: Remove the prototype for peephole2_optimize.
7347 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7349 * df-scan.c (df_record_entry_block_defs): Check if
7350 INCOMING_RETURN_ADDR_RTX is defined.
7352 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7353 Kenneth Zadeck <zadeck@naturalbridge.com>
7355 PR rtl-optimization/24762
7356 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7357 * targhooks.c (hook_void_bitmap): New hook prototype.
7358 * targhoohs.h (hook_void_bitmap): Ditto.
7359 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7360 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7361 * target.h (live_on_entry): New function pointer.
7362 * df-scan.c (df_all_hard_regs): Removed.
7363 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7364 (df_scan_free_internal): Added df->entry_block_defs.
7365 (df_scan_alloc): Ditto.
7366 (df_scan_dump): Ditto.
7367 (df_uses_record): Plumbed flag field properly thru calls.
7368 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7369 This part fixes PR24762.
7370 (df_bb_refs_record): Added code to make the frame and arg
7371 pointers live in EH blocks.
7372 (df_refs_record): Added call to df_record_entry_block_defs.
7373 (df_record_entry_block_defs): New function.
7374 * df-core.c: Added comments to describe new artifical defs.
7375 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7376 (entry_block_defs): New field in struct df.
7377 (df_all_hard_regs): Deleted.
7378 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7379 * df-problems.c (df_ru_bb_local_compute_process_def):
7380 Added code to handle artifical defs in the entry to a function.
7381 (df_ru_bb_local_compute): Ditto.
7382 (df_rd_bb_local_compute_process_def): Ditto.
7383 (df_rd_bb_local_compute): Ditto.
7384 (df_lr_bb_local_compute): Ditto.
7385 (df_ur_bb_local_compute): Ditto.
7386 (df_urec_bb_local_compute): Ditto.
7387 (df_chain_create_bb): Ditto.
7388 (df_ur_local_finalize): Removed entry.
7389 (df_urec_init): Ditto.
7390 (df_urec_local_finalize): Ditto.
7391 (df_ri_bb_compute): Added detection of last use of pseudos.
7392 * Makefile.in (df-scan.o): Updated dependencies.
7393 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7394 * config/mips/mips.c (mips_set_live_on_entry): Added.
7395 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7397 * dce.c (marked_insn_p): Added code to handle artifical defs.
7399 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7401 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7403 (_mm_cvtsi128_si64): Likewise.
7404 (_mm_cvtsd_si64): Likewise.
7405 (_mm_cvttsd_si64): Likewise.
7406 (_mm_cvtsi64_sd): Likewise.
7407 (_mm_cvtsi64_si128): Likewise.
7408 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7409 (_mm_cvtsi64_m64): Likewise.
7410 (_m_to_int64): Likewise.
7411 (_mm_cvtm64_si64): Likewise.
7412 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7413 (_mm_cvttss_si64): Likewise.
7414 (_mm_cvtsi64_ss): Likewise.
7415 (_mm_cvtss_f32): Likewise.
7417 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7419 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7420 for pragma redefine_extname.
7422 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7425 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7426 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7427 -mno-minimal-toc to previous content.
7428 (bispecs): Remove goal.
7429 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7430 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7431 compatibility aliases on powerpc-*-*gnu*.
7432 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7433 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7434 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7435 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7436 (ldblspecs): New goal.
7437 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7438 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7440 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7441 L_sf_to_tf or L_df_to_tf is defined.
7443 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7444 Alan Modra <amodra@bigpond.net.au>
7447 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7448 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7449 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7450 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7451 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7452 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7453 (rs6000_override_options): Initialize rs6000_ieeequad.
7454 Initialize TFmode format to ibm_extended_format if not
7456 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7458 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7459 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7460 (function_arg_advance): IBM long double passed in two FPRs, not
7462 (function_arg): IBM long double passed in FPRs.
7463 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7464 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7465 Only multireg GPR aligned.
7466 (rs6000_init_libfuncs): Enable IBM long double functions if not
7468 (rs6000_generate_compare): Use IBM long double compare if not
7470 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7471 (TARGET_IEEEQUAD): Define.
7472 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7473 not TARGET_IEEEQUAD.
7474 * config/rs6000/rs6000.md: Enable TFmode patterns if
7476 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7477 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7478 and -mlong-double-128 are incompatible.
7479 * doc/invoke.texi (-mabi): Collect options together. Add
7480 ibmlongdouble and ieeelongdouble.
7482 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7484 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7486 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7487 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7488 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7489 * rtl.h (rtunion_def): Remove rt_ptr.
7491 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7492 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7493 * config/i386/winnt.c (i386_pe_mark_dllexport)
7494 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7496 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7498 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7500 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7504 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7505 pthread_key_delete. From John David Anglin. gthrw-ify
7506 pthread_getunique_np only if it it's not a macro. Delete
7508 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7509 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7510 __gthread_objc_condition_signal, __gthread_key_delete): Add
7511 "__attribute__ ((__unused__))" to unused arguments.
7512 (__gthread_recursive_mutex_init_function): Add missing return.
7513 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7514 gthr-posix95.h: Use macro-based approach for name redirection
7515 on targets missing weakref.
7517 2006-01-26 Zack Weinberg <zackw@panix.com>
7519 * genconditions.c (write_header): In generated code, #ifdef out
7520 all includes and fake declarations, except includes of bconfig.h
7521 and system.h, unless GCC_VERSION >= 3001. Do not include
7522 gensupport.h in any case.
7523 (write_conditions): Generate a definition of struct c_test. Add
7524 a comment to the generated #endif.
7525 (write_one_condition): Escape backslashes in string too.
7526 (write_writer): Generated code must escape backslashes and quote
7527 marks (but not newlines) in the strings it writes.
7528 * Makefile.in (build/gencondmd.o): Update dependencies.
7530 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7533 * Makefile.in (insn-automata.o): Add header file dependencies.
7534 * genautomata.c: Add includes.
7536 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7539 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7541 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7543 * configure.ac: Expect target tools paths to be passed from the toplevel
7544 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7546 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7548 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7551 * c.opt (Wpointer-sign): Init to -1.
7552 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7553 OPT_pedantic, to 0 otherwise.
7554 * doc/invoke.texi: Update.
7556 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7558 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7559 constants provided by 80387 instructions in the destination mode.
7561 2006-01-26 Richard Guenther <rguenther@suse.de>
7562 Andrew Pinski <pinskia@physics.uc.edu>
7565 partial PR tree-opt/17064
7566 * tree-ssa-structalias.c (intra_create_variable_infos):
7567 Create heap variables for incoming parameters if
7568 flag_argument_noalias > 1.
7569 (find_what_p_points_to): Look through default defs of
7572 2006-01-26 Jeff Law <law@redhat.com>
7575 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7576 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7577 within the VR_RANGE, use the VR_RANGE as the result, not the
7579 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7580 bounds for the type.
7582 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7584 * tree-ssa-alias.c (maybe_create_global_var): Change
7585 subvar walking to an assertion that we don't have subvar'd variables.
7587 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7590 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7591 Use a new variable, inner. PARM_DECLs are always non-weak.
7593 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7595 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7598 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7600 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7602 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7604 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7605 (smax_insn, smin_insn, smax_0, smin_0): New.
7607 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7610 * config/cris/cris.c (cris_order_for_addsi3): New function.
7611 * config/cris/cris-protos.h: Prototype it.
7612 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7613 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7614 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7615 (split for "op.S1 [rx=rx+i],ry (swapped)")
7616 (split for "op(s|u).S1 [rx=rx+i],ry")
7617 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7618 Apply cris_order_for_addsi3 when generating addsi3 insns.
7620 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7622 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7623 (TREE_BLOCK): Add call to EXPR_CHECK.
7625 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7628 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7629 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7630 (dump_omp_clauses): ... here.
7631 (dump_generic_node): Handle OMP_CLAUSE.
7632 * tree.c (omp_clause_num_ops): New.
7633 (omp_clause_code_name): New.
7634 (tree_code_size): Handle OMP_CLAUSE.
7635 (tree_size): Likewise.
7636 (make_node): Document handling of OMP_CLAUSE.
7637 (tree_node_structure): Handle OMP_CLAUSE.
7638 (omp_clause_check_failed): New.
7639 (omp_clause_range_check_failed): New.
7640 (omp_clause_operand_check_failed): New.
7641 (build_omp_clause): New.
7642 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7643 * tree.h (enum omp_clause_code): Declare.
7644 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7645 (OMP_CLAUSE_RANGE_CHECK): Define.
7646 (OMP_CLAUSE_ELT_CHECK): Define.
7647 (omp_clause_check_failed): Declare.
7648 (omp_clause_operand_check_failed): Declare.
7649 (omp_clause_range_check_failed): Declare.
7650 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7651 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7652 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7653 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7654 (OMP_CLAUSE_IF_EXPR): Likewise.
7655 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7656 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7657 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7658 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7659 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7660 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7661 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7662 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7663 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7664 (OMP_CLAUSE_CODE): Define.
7665 (OMP_CLAUSE_SET_CODE): Define.
7666 (OMP_CLAUSE_CODE): Define.
7667 (OMP_CLAUSE_OPERAND): Define.
7668 (struct tree_omp_clause): Declare.
7669 (union tree_node): Add field 'omp_clause'.
7670 * treestruct.def (TS_OMP_CLAUSE): Define.
7671 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7672 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7673 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7674 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7675 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7676 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7677 (OMP_CLAUSE): Define.
7678 * print-tree.c (print_node): Handle OMP_CLAUSE.
7679 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7680 * c-typeck.c: Likewise.
7681 * gimplify.c: Likewise.
7682 * c-omp.c: Likewise.
7683 * tree-nested.c: Likewise.
7684 * tree-inline.c: Likewise.
7685 * c-parser.c: Likewise.
7686 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7689 2006-01-25 Roger Sayle <roger@eyesopen.com>
7691 PR rtl-optimization/25703
7692 * combine.c (try_combine): Handle zero_extract and strict_low_part
7693 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7695 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7697 * global.c: Fix comment typos.
7699 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7702 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7703 Use output_addr_const instead of assemble_name.
7705 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7707 * Makefile.in (sched-vis.o): Update dependencies.
7708 * haifa-sched.c (sched_finish): Clear current_sched_info.
7709 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7710 (dump_flow_info): Call it.
7711 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7713 * basic-block.h (dump_bb_info): Declare.
7714 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7715 option, and apply options only for dump files whose TDF_RTL,
7716 TDF_TREE, or TDF_IPA bits match.
7717 * rtl.h: Declare new functions exported from sched-vis.c.
7718 * sched-vis.c: Enable also if scheduling is not used.
7719 (print_value): Print the mode of registers if not inside scheduling.
7720 (print_insn): Make it work outside the scheduler. Beautify the output
7722 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7724 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7726 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7727 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7728 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7729 depending on the value of CONSTANT_POOL_ADDRESS_P.
7730 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7732 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7733 rather than SYMBOL_REF_DECL.
7734 (rtx_constant_pool): Remove const_rtx_sym_htab.
7735 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7736 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7737 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7738 Remove handling of const_rtx_sym_htab.
7739 (find_pool_constant): Delete.
7740 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7741 rather than find_pool_constant.
7742 (get_pool_constant_for_function): Delete.
7743 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7745 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7746 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7747 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7748 (SYMBOL_REF_CONSTANT): New macro.
7749 (get_pool_constant_for_function): Delete.
7750 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7751 rather than SYMBOL_REF_DECL.
7752 (i386_pe_mark_dllimport): Likewise.
7753 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7754 rather than SYMBOL_REF_DECL.
7755 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7756 (machopic_indirect_call_target): Likewise.
7758 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7760 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7762 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7764 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7766 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7768 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7770 2006-01-24 David Daney <ddaney@avtrex.com>
7773 * configure.ac (enable_tls): New enable option.
7774 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7775 * configure: Regenerate.
7776 * doc/install.texi (--enable-tls): Document new option.
7777 (--disable-tls): Ditto.
7779 2006-01-24 Richard Henderson <rth@redehat.com>
7781 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7782 * alias.c (true_dependence): Respect it.
7783 (canon_true_dependence, write_dependence_p): Likewise.
7784 * builtins.c (get_builtin_sync_mem): Set it.
7786 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7788 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7791 2006-01-24 DJ Delorie <dj@redhat.com>
7793 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7794 for storing constants in single-bit bitfields.
7796 2006-01-25 Ben Elliston <bje@au.ibm.com>
7798 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7800 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7803 * tree-ssa-pre.c (phi_translate): Return NULL
7804 for AGGREGATE_TYPE's.
7806 2006-01-24 Zack Weinberg <zackw@panix.com>
7808 * genautomata.c (process_state_for_insn_equiv_partition):
7809 Use xcalloc for insn_arcs_array.
7810 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7811 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7813 2006-01-24 Richard Henderson <rth@redhat.com>
7815 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7818 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7820 PR rtl-optimization/25890
7821 PR rtl-optimization/25905
7822 * combine.c (expand_compound_operation, expand_field_assignment):
7823 Fail if the bitfield's final position is out of bounds.
7825 2006-01-24 Ian Lance Taylor <ian@airs.com>
7828 * cgraphunit.c (cgraph_output_in_order): Don't clear
7829 cgraph_asm_nodes until after asm strings have been output.
7831 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7833 * fix-header.c (read_scan_file): Add new parameter imultilib when
7834 calling register_include_chains.
7836 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7838 * omp-low.c: Update documentation.
7840 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7841 Daniel Berlin <dberlin@dberlin.org>
7845 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7846 return from the function.
7848 2006-01-22 Zack Weinberg <zackw@panix.com>
7850 * rtl.def (match_code): Add second argument.
7851 * genpreds.c (write_extract_subexp): New function.
7852 (write_match_code): Add path argument. Use write_extract_subexp.
7853 (write_predicate_expr): Pass path to write_match_code.
7854 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7855 not perform a mode test.
7856 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7857 a subexpression does not constrain the top-level code set.
7858 * read-rtl.c (read_rtx_variadic): New function.
7859 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7860 * doc/md.texi: Document new notation.
7861 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7862 (cmpsi_operand): ... here, using new notation.
7864 2006-01-22 Zack Weinberg <zackw@panix.com>
7866 * varray.c: Remove GENERATOR_FILE #ifdefs.
7868 2006-01-22 Zack Weinberg <zackw@panix.com>
7870 * genautomata.c (output_reserved_units_table): Emit nothing if
7871 description->query_units_num is zero. Remove extra blank line.
7872 (output_cpu_unit_reservation_p): Short circuit
7873 if description->query_units_num is zero.
7875 2006-01-22 Zack Weinberg <zackw@panix.com>
7877 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7878 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7879 nor any of the random handful of variables that used to be necessary
7880 when this program was linked with rtlanal.o. Prune set of forward
7881 function declarations.
7882 (struct attr_desc): Remove static_p field.
7883 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7884 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7885 (attr_string): Do not read the character one past the length of
7887 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7888 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7889 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7890 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7891 (make_automaton_attrs): New.
7892 (main): Do not call into genautomata. Call local gen_bypass
7893 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7894 Remove special case for insn_alts.
7895 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7896 varray.h (leftover from previous change). Prune set of forward
7897 function declarations. Remove state_alts fields from all
7898 structures. Remove state_alts_table from struct automaton.
7899 Make everything except main static. Do not maintain num_dfa_decls.
7900 Do not maintain state_alts fields of various structures.
7901 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7902 (add_arc): Remove state_alts argument. All callers updated.
7903 (output_reserved_units_table): Emit #ifdef here...
7904 (output_tables): ...not here. Don't generate state_alts tables.
7905 (expand_automata): Don't generate attributes.
7906 (write_automata): Don't generate state_alts functions.
7907 (main): New function.
7908 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7909 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7910 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7911 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7912 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7913 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7914 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7915 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7917 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7918 * genattrtab.h: Delete file.
7919 * Makefile.in (OBJS-common): Add insn-automata.o.
7920 (insn-automata.o): New rule.
7921 (simple_generated_c): Add insn-automata.c.
7922 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7923 (genprogmd): Add automata.
7924 (build/genattrtab): Needs no extra objects nor libraries.
7925 (build/genautomata): Needs build/vec.o and -lm.
7927 2006-01-22 Zack Weinberg <zackw@panix.com>
7929 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7930 (output_dfa_max_issue_rate, locked_states_num): Delete.
7931 (struct automaton): Add locked_states field.
7932 (output_dead_lock_vect): Save number of locked states in
7933 automaton->locked_states. If it is zero, don't print anything.
7934 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7935 (output_internal_dead_lock_func): Only test the dead_lock_vect
7936 for automata that have locked states.
7937 (output_statistics): Always print the number of locked states for
7938 each automaton. Calculate total number of locked states here.
7939 (write_automata): Don't call output_dfa_max_issue_rate.
7940 * genattrtab.c: Define length_unit_log as a const variable.
7941 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7942 max_insn_queue_index const.
7943 * final.c (length_unit_log): Declare const.
7944 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7946 2006-01-22 Zack Weinberg <zackw@panix.com>
7948 * genautomata.c: Include vec.h, not varray.h.
7949 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7950 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7951 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7952 VEC_* macros operating on appropriately typed vectors, or to
7953 malloced arrays when the size is known in advance. Const-ify
7954 many char* variables and function arguments. No functional changes.
7955 * Makefile.in (build/varray.o): Delete rule.
7956 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7957 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7959 2006-01-22 Zack Weinberg <zackw@panix.com>
7961 * gensupport.c: Define get_insn_name and record_insn_name here.
7962 (read_md_rtx): Call record_insn_name as appropriate.
7963 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7964 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7965 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7967 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7968 (BUILD_VARRAY): Delete.
7969 (genprognormal): Rename genprogmd. Fold in all programs from
7970 genprognoprint; also attrtab.
7971 (build/genattrtab): Just mention genautomata.o and varray.o.
7972 Reorganize a bit, add comments to make the categories clearer.
7974 2006-01-22 Zack Weinberg <zackw@panix.com>
7976 * genconditions.c (condition_table, add_condition): Delete.
7977 (write_conditions): Don't emit n_insn_conditions nor
7978 insn_elision_unavailable. Issue the gcc version #ifdef here,
7979 inside the table, with no #else clause ...
7980 (write_header): ...not here.
7981 (write_writer): New function.
7982 (main): Don't initialize condition_table. Use add_c_test.
7984 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7985 files on the command line.
7986 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7987 Return -1 if there is no entry in the table, don't abort.
7988 (add_c_test, traverse_c_tests): New functions.
7989 * gensupport.h (insn_elision_unavailable, insn_conditions)
7990 (n_insn_conditions): Delete declarations.
7991 (add_c_test, traverse_c_tests): Declare.
7992 * read-rtl.c: Include gensupport.h.
7993 (read_conditions): New function.
7994 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7995 (read_rtx_1): If we get EOF when we were looking for an initial
7996 open paren, return 0. Call read_conditions when appropriate.
7997 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7998 dummy-conditions.o. Eliminate references to insn-conditions.o,
7999 or change them to build/gencondmd.o, as appropriate. Remove
8000 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8001 from $(simple_generated_c). For all files remaining in those
8002 two lists, add insn-conditions.md to the generator command line.
8003 Give insn-constants.h/s-constants their own rules. Add rules
8004 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8005 (build/read-rtl.o): Depend on gensupport.h.
8006 (genprognormal): Include preds.
8007 (genprogearly): Rename genprognoprint; only difference is now that
8008 they don't link with $(BUILD_PRINT).
8009 * dummy-conditions.c: Delete.
8011 2006-01-22 Zack Weinberg <zackw@panix.com>
8013 * genextract.c: Don't include insn-config.h. Do include vec.h.
8014 Declare vectors of int, char, and locstr.
8015 (locstr): New typedef.
8016 (struct extraction): Make all array fields into bare pointers.
8017 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8018 (insn_code_number): Delete.
8019 (accum_extract): New struct.
8020 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8021 (gen_insn): Take insn_code_number as an argument. Use an
8022 accum_extract structure instead of loading data directly into
8023 a struct extraction, and having to know how big it might get.
8024 (walk_rtx): Operate entirely on an accum_extract structure.
8025 (print_path): Avoid unnecessary use of printf.
8026 (print_header): New function, split out of main. Distinguish
8027 more carefully between an unrecognizable insn and an insn that
8028 has the code number of a define_expand.
8029 (main): Pass insn_code_number to gen_insn. Call print_header
8030 only after parsing. Avoid unnecessary use of printf.
8031 * Makefile.in (build/vec.o): New rule.
8032 (build/genextract): Depend on build/vec.o.
8033 (build/genextract.o): Don't depend on insn-config.h.
8035 2006-01-22 Zack Weinberg <zackw@panix.com>
8037 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8038 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8039 practical. Eliminate per-generator-program link rules.
8041 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8044 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8045 with a call expr to ...
8046 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8048 2006-01-23 Richard Guenther <rguenther@suse.de>
8050 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8051 before make_edge with conditional EDGE_TRUE_VALUE.
8053 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8054 Jan Hubicka <jh@suse.cz>
8055 Richard Guenther <rguenther@suse.de>
8057 PR rtl-optimization/25654
8058 * cfgexpand.c (aggregate_contains_union_type): New function.
8059 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8060 for structure variables that contain a union type.
8062 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8064 * gengtype.c (new_structure): Return the structure.
8065 (create_option): Add an extra "next" argument.
8066 (create_field): New function.
8067 (adjust_field_rtx_def): Use create_option and create_field.
8068 Remove a now-unnecessary call to find_structure.
8069 (adjust_field_tree_def): Likewise.
8070 (note_yacc_type): Remove an unnecessary call to find_structure.
8071 * gengtype.h (new_structure): Return the structure.
8072 (create_option): Add an extra argument.
8073 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8074 (option): Adjust calls to create_option.
8076 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8078 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8080 2006-01-22 Paul Brook <paul@codesourcery.com>
8081 Peter Barada <peter@the-baradas.com>
8083 * config/m68k/m68k.md: Add Coldfire FPU support.
8084 Define FP mode macro and associated attributes.
8085 Use it for float mode patterns.
8086 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8087 (LIBCALL_VALUE): Use m68k_libcall_value.
8088 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8089 (m68k_function_value): Ditto.
8090 (emit_move_sequence): Ditto.
8091 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8092 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8093 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8094 (MULTILIB_EXCEPTIONS): Ditto.
8095 * config/m68k/m68k.opt: Add mcfv4e.
8096 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8097 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8098 (m68k_output_function_prologue): Save ColdFire FPU registers.
8099 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8100 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8101 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8102 ColdFire FPU registers.
8103 (m68k_libcall_value, m68k_function_value): New functions.
8104 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8105 (LIBCALL_VALUE): Use m68k_libcall_value.
8106 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8107 (MASK_COLDFIRE): Add MASK_CFV4E.
8108 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8109 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8110 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8111 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8112 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8113 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8114 * doc/invoke.tex: Document -mcfv4e on m68k.
8116 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8118 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8121 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8124 * c-opts.c (c_common_handle_option): Don't include
8125 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8126 * doc/invoke.texi (C++ Dialect Options): Document that
8127 -Wnon-virtual-dtor is no longer included in -Wall.
8129 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8131 * gcov.c (print_version), gcov-dump.c (print_version),
8132 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8135 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8137 * df-scan.c (problem_SCAN): Added NULL reset function.
8138 (df_scan_reset_blocks): Added code to call reset block function
8139 (df_bb_refs_delete) Fixed comment.
8140 (df_insn_refs_delete): Made tolerant of deleting non existent info
8141 for dataflow problems that need to be reset.
8142 * df-core.c (df_set_blocks): Ditto.
8143 * df.h (struct df_problem): Added reset_fun.
8144 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8145 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8146 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8147 functions to clear out all references to def-use or use-def chains.
8149 2006-01-21 Ben Elliston <bje@au.ibm.com>
8151 * varasm.c (assemble_real): Initialise data array.
8153 2006-01-20 Paul Brook <paul@codesourcery.com>
8155 Merge from csl-arm-branch.
8156 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8157 * config/arm/arm.md (movdi): Force operands[1] to a register
8158 if we have a non-register source.
8159 (*arm_movdi, *movdf_soft_insn): Require that one of the
8160 operands be a register.
8161 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8162 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8164 2006-01-20 DJ Delorie <dj@redhat.com>
8166 * varasm.c (initialize_constant_valid_p): Allow pointers
8167 initialized from integer constants of lesser precision.
8168 (output_constant): Allow non-int-sized pointer modes to be
8169 initialized from integer constants.
8171 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8174 * cppdefault.h (struct default_include): Add multilib flag.
8175 * cppdefault.c (cpp_include_defaults): Set it.
8176 * c.opt (-imultilib): New option.
8177 * c-opts.c (imultilib): New.
8178 (c_common_handle_option): Handle -imultilib.
8179 (c_common_post_options): Likewise.
8180 * c-incpath.c (add_standard_paths, register_include_chains):
8182 * c-incpath.h (register_include_chains): Add extra parameter.
8183 * gcc.c (do_spec_1): Generate -imultilib option.
8184 (The Specs Language): Update %I description.
8185 (process_command): Update copyright notice.
8186 * doc/cppopts.texi (-imultilib): Document.
8187 * doc/invoke.texi (-imultilib): Include in option summary.
8188 (%I): Update specs documentation.
8190 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8192 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8194 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8196 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8199 2006-01-20 Richard Guenther <rguenther@suse.de>
8200 Steven Bosscher <stevenb.gcc@gmail.com>
8202 PR rtl-optimization/24626
8203 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8204 EDGE_TRUE_VALUE if in RTL mode.
8207 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8208 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8210 2006-01-20 Dirk Mueller <dmueller@suse.com>
8213 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8214 instead of a special NOP marker.
8215 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8216 NOP marker handling.
8217 * c-common.h (empty_body_warning): Add forward declaration.
8218 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8219 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8221 2006-01-20 Paul Brook <paul@codesourcery.com>
8223 * Makefile.in (lang_checks): Keep going if mkdir fails.
8225 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8227 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8228 be able to clean out basic block when not necessary.
8229 (df_scan_free): Fixed to properly delete information if df is
8230 unused before calling df_finish.
8231 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8232 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8234 (df_bb_refs_delete): New function.
8235 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8236 * df-core.c (df_set_blocks): Added code to properly clean out
8237 unused blocks if they are not part of the blocks to consider.
8238 Added additional null check.
8239 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8240 be able to clean out basic block when not necessary
8241 * df.h (df_free_bb_function): Ditto.
8242 (df_bb_refs_delete): New function.
8243 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8244 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8245 basic block parameter to be able to clean out basic block when not
8247 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8248 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8249 Fixed to properly delete information if df is unused before
8252 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8254 PR rtl-optimization/25799
8255 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8256 Corrected confluence operator to remove bits from op2 before oring
8257 with op1 rather than removing bits from op1.
8258 (df_ru_transfer_function): Corrected test on wrong bitmap which
8259 caused infinite loop. Both of these problems were introduced in
8260 the dataflow rewrite.
8262 2006-01-19 DJ Delorie <dj@redhat.com>
8264 * reload1.c (find_reload_regs): Note the details of reload
8265 failures in the dump file.
8266 (spill_failure): Likewise.
8268 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8270 * loop-iv.c: Include df.h and hashtab.h.
8271 (enum iv_grd_result): New enum.
8272 (DF_REF_IV, DF_REF_IV_SET): New macros.
8273 (struct biv_entry): New.
8274 (df, bivs): New global variables.
8275 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8276 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8278 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8279 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8280 analyzed_for_bivness_p, record_biv): New functions.
8281 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8282 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8283 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8285 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8287 (iv_number_of_iterations): Use new interface to iv analysis.
8288 * loop-unroll.c: Do not include varray.h.
8289 (analyze_iv_to_split_insn): Use new interface to iv
8291 * loop-unswitch.c (may_unswitch_on): Ditto.
8292 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8294 (df_bb_modify): Realloc tables to the new index.
8295 (df_find_use): New function.
8296 * df.h (df_find_use): Declare.
8297 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8299 * cfgloop.h (struct rtx_iv): Remove analysed field.
8300 (iv_get_reaching_def): Removed.
8301 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8302 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8303 (loop-iv.o): Add df.h and hashtab.h dependency.
8304 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8306 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8309 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8311 (__floatundisf, __floatundidf): Likewise.
8312 * libgcc2.h (IS_IBM_EXTENDED): Define.
8314 2006-01-19 DJ Delorie <dj@redhat.com>
8316 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8318 2006-01-19 Paul Brook <paul@codesourcery.com>
8320 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8321 as nothrow when unwinding tables are disabled.
8323 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8326 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8327 of bit-field" when in system header.
8329 2006-01-19 DJ Delorie <dj@redhat.com>
8331 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8332 the 16 bit shift limit of the m16c.
8334 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8337 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8338 * config/i386/i386.c (output_set_got): Output the label if we have one
8339 for the TARGET_DEEP_BRANCH_PREDICTION case.
8341 2006-01-19 Jan Hubicka <jh@suse.cz>
8342 H.J. Lu <hongjiu.lu@intel.com>
8343 Evandro Menezes <evandro.menezes@amd.com>
8345 * invoke.texi (generic): Document
8347 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8348 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8349 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8350 (x86_use_incdec, x86_pad_returns): New variables
8351 (TARGET_CPU_DEFAULT_generic): New constant
8352 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8353 (enum processor_type): Add generic32 and generic64.
8354 * i386.md (cpu attribute): Add generic32/generic64
8355 (movhi splitter): Behave sanely when both partial_reg_dependency and
8356 partial_reg_stall are set.
8357 (K8 splitters): Enable for generic as well.
8358 * predicates.md (incdec_operand): Use TARGET_INCDEC
8359 (aligned_operand): Avoid memory mismatch stalls.
8360 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8361 * ppro.md: Enable for generic32
8362 * i386.c (generic64_cost, generic32_cost): New.
8363 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8364 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8365 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8366 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8367 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8368 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8369 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8370 x86_accumulate_outgoing_args, x86_prologue_using_move,
8371 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8372 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8374 (x86_use_incdec, x86_pad_returns): New.
8375 (override_options): Add generic32 and generic64, translate "generic"
8376 to generic32/generic64 and "i686" to "generic32", refuse
8377 "generic32"/"generic64" as arch target.
8378 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8379 (ix86_reorg): Honor PAD_RETURNS.
8381 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8383 * tree-pretty-print.c (dump_generic_node): Handle
8384 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8385 * cgraph.c (cgraph_expand_queue): Rename from
8386 cgraph_analyze_queue. Update all users.
8387 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8388 cgraph_expand_queue.
8389 (cgraph_expand_all_functions): Likewise.
8390 (cgraph_finalize_pending_functions): Remove. Update callers.
8392 * tree.h (OMP_DIRECTIVE_P): Define.
8393 (OMP_PARALLEL_FN): Define.
8394 (OMP_PARALLEL_DATA_ARG): Define.
8395 (OMP_SECTIONS_SECTIONS): Define.
8396 * tree-pass.h (pass_expand_omp): Declare.
8397 * omp-low.c (struct omp_region): Declare.
8398 (struct omp_context): Remove fields 'parallel_type',
8399 'parallel_start_ix' and 'parallel_start_additional_args'.
8401 (struct omp_for_data): Rename from struct expand_omp_for_data.
8402 (omp_regions): New static variable.
8403 (root_omp_region): New static variable.
8404 (find_omp_clause): Make static.
8405 (is_in_combined_parallel_ctx): Remove.
8406 (is_combined_parallel): New.
8407 (extract_omp_for_data): Move earlier in the file.
8408 (workshare_safe_to_combine_p): New.
8409 (get_ws_args_for): New.
8410 (determine_parallel_type): Move earlier in the file.
8411 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8413 (omp_copy_decl): Likewise.
8414 (create_omp_child_function): Likewise.
8415 (lookup_omp_region): New.
8416 (dump_omp_region): New.
8417 (debug_omp_region): New.
8418 (debug_all_omp_regions): New.
8419 (new_omp_region): New.
8420 (scan_omp_parallel): If parallel_nesting_level > 1, the
8421 directive is nested within another parallel directive.
8422 Set OMP_PARALLEL_FN.
8423 (scan_omp_for): Do not try to handle combined parallel+for
8425 Remove FIXME comment.
8426 (scan_omp_nested): Remove.
8427 (scan_omp_1): Do not call scan_omp_nested when
8428 parallel_nesting_level is > 1.
8429 Do not change the DECL_CONTEXT of local variables found.
8430 (lookup_decl_in_outer_ctx): New.
8431 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8432 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8433 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8434 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8435 If CTX is nested, lookup VAR in the outer context when
8436 building copy assignment.
8437 (lower_send_clauses): Rename from expand_send_clauses.
8438 If CTX is nested, lookup VAR in the outer context when
8439 building copy assignments.
8440 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8441 If CTX is nested, lookup VAR in the outer context when
8442 building copy assignments.
8443 (expand_parallel_call): Rename from build_parallel_call.
8444 Handle combined parallel+workshare cases.
8445 Re-implement to emit code into the CFG.
8447 (expand_omp_parallel): Re-implement to emit code into the CFG.
8448 Call move_sese_region_to_fn to outline the sub-graph
8449 containing the parallel region.
8450 (expand_omp_for_1): Remove.
8451 (expand_omp_for_generic): Re-implement to emit code into the
8453 (expand_omp_for_static_nochunk): Likewise.
8454 (expand_omp_for_static_chunk): Likewise.
8455 (expand_omp_for): Likewise.
8456 (expand_omp_sections): Likewise.
8457 (remove_exit_barriers): New.
8458 (expand_omp_synch): New.
8460 (build_omp_regions_1): New.
8461 (build_omp_regions): New.
8462 (execute_expand_omp): New.
8463 (gate_expand_omp): New.
8464 (pass_expand_omp): Define.
8465 (lower_omp_sections): Rename from expand_omp_sections.
8466 Set OMP_SECTIONS_SECTIONS.
8467 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8468 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8469 (lower_omp_single): Rename from expand_omp_simple.
8470 (lower_omp_master): Rename from expand_omp_master.
8471 (lower_omp_ordered): Rename from expand_omp_ordered.
8472 (lower_omp_critical): Rename from expand_omp_critical.
8473 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8474 (lower_omp_for): Re-implement.
8475 (lower_omp_parallel): Re-implement.
8476 (lower_regimplify): Rename from expand_regimplify.
8477 (lower_omp_1): Rename from expand_omp_1.
8478 If there are syntax errors in the program, replace every
8479 OpenMP directive with NOP.
8480 Call lower_omp_* instead of expand_omp_*.
8481 (lower_omp): Rename from expand_omp.
8483 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8484 * tree-gimple.h (enum omp_parallel_type): Remove.
8485 (gimple_boolify): Declare extern.
8486 (find_omp_clause, determine_parallel_type): Remove.
8488 * gimple-low.c (lower_omp_directive): New.
8489 (lower_stmt): Call it.
8490 (record_vars_into): Move from ...
8491 (record_vars): ... here.
8492 Call record_vars_into with current_function_decl.
8494 * gimplify.c (struct gimplify_ctx): Remove fields
8495 combined_pre_p and combined_ctxp. Update users.
8496 (get_formal_tmp_var): Add documentation.
8497 (gimple_boolify): Make extern.
8498 (gimplify_expr_in_ctx): Remove. Update callers.
8499 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8500 will always be a BIND_EXPR.
8501 (gimplify_expr): Handle OMP_RETURN_EXPR.
8502 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8503 (OMP_PARALLEL): Add 3 operands.
8504 (OMP_SECTIONS): Add 1 operand.
8505 (OMP_RETURN_EXPR): Define.
8507 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8508 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8509 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8510 creating a circular free list.
8511 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8513 * tree-flow.h (move_sese_region_to_fn): Declare.
8514 (record_vars_into): Declare.
8515 * tree-cfg.c (make_omp_sections_edges): New.
8516 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8517 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8518 OMP_SECTIONS and OMP_SECTION.
8519 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8520 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8521 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8522 (gather_blocks_in_sese_region): New.
8523 (struct move_stmt_d): Declare.
8525 (move_block_to_fn): New.
8526 (move_sese_region_to_fn): New.
8528 * passes.c (init_optimization_passes): Schedule
8529 pass_expand_omp after pass_init_datastructures.
8531 * tree-ssa-operands.c (get_expr_operands): Handle
8532 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8533 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8535 2006-01-19 Jeff Law <law@redhat.com>
8537 * tree-vrp.c (extract_range_from_assert): Refine the result range
8538 if the variable referenced by the ASSERT_EXPR has a range and
8539 either the tentative result range or the previous range is a
8542 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8544 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8546 2006-01-19 Jan Hubicka <jh@suse.cz>
8548 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8550 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8552 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8553 (expand_compound_operation, expand_field_assignment): Fail if the
8554 bit lengths of an extract operation are out of range.
8555 (make_extraction): Compute wanted_inner_mode based on the position
8556 and length of the extraction. Make it extraction_mode for non-constant
8557 positions, and do not modify offset in that case. When generating a
8558 new MEM, use a mode that can hold the extraction while keeping correct
8559 alignment. Remove code that supported MEMs wrapped by USEs.
8560 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8562 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8564 * config/s390/s390.md ("Y", "y"): New mode attribute.
8565 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8566 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8567 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8568 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8569 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8570 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8571 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8572 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8573 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8574 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8575 "addsi3", "subsi3"): Insn patterns removed.
8576 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8577 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8578 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8579 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8580 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8581 "*sub<mode>3_cconly2"): New insn patterns.
8582 ("addsi3", "subsi3"): New expanders.
8584 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8586 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8587 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8588 existing STMT_VINFO_VECTYPE if available.
8589 (vect_mark_relevant): Add special handling for stmts that are
8590 marked as STMT_VINFO_IN_PATTERN_P.
8591 (vect_analyze_loop): Call vect_pattern_recog.
8592 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8593 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8595 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8596 (vect_recog_func_ptr): New function-pointer type.
8597 * tree-vect-patterns.c: New file.
8598 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8599 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8600 (vect_pattern_recog_1): New functions.
8601 (vect_pattern_recog_funcs): New array of function pointers.
8603 * tree-vectorizer.h (ternary_op): New enum value.
8604 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8605 declaration. Revised documentation. Removed redundant dump prints.
8606 Removed redundant argument. Added support for reduction patterns.
8607 (vectorizable_reduction): Added support for reduction patterns.
8608 (vect_transform_stmt): Added support for patterns.
8610 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8611 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8612 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8613 (expand_widen_pattern_expr): New function.
8614 (init_optabs): Initialize new optabs udot_prod_optab,
8616 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8617 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8618 (expand_widen_pattern_expr): New function declaration.
8619 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8621 * tree-inline.c (estimate_num_insns_1): Added cases for new
8622 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8623 * tree-pretty-print.c (dump_generic_node): Likewise.
8624 (op_prio): Likewise.
8625 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8626 * tree-ssa-operands.c (get_expr_operands): Added case for
8628 * tree-vect-patterns.c (widened_name_p): New function.
8629 (vect_recog_dot_prod_pattern): Added function implementation.
8630 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8631 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8632 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8633 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8635 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8636 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8637 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8638 (init_optabs): Initialize new optabs widen_ssum_optab,
8640 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8641 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8642 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8643 use instead of type of def.
8644 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8645 function implementation.
8646 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8647 widen_ssumv8hi): New.
8649 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8652 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8655 * c-decl.c (add_flexible_array_elts_to_size): New function.
8656 (finish_decl): Use it.
8658 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8660 * diagnostic.h: Include options.h.
8661 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8662 dependancies for diagnostic.h.
8663 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8665 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8667 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8668 (ssa_ro_call_cache_valid): Ditto.
8669 * tree-ssa-alias.c (sort_tags_by_id): New function.
8670 (init_transitive_clobber_worklist): Ditto.
8671 (add_to_worklist): Ditto.
8672 (mark_aliases_call_clobbered): Ditto.
8673 (compute_tag_properties): Ditto.
8674 (set_initial_properties): Ditto.
8675 (compute_call_clobbered): Ditto.
8676 (compute_may_aliases): Call compute_call_clobbered and grouping.
8677 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8678 (compute_flow_insensitive_aliasing): Grouping now happens in our
8680 (setup_pointers_and_addressables): Remove clobbering related code.
8681 (add_may_alias): Ditto.
8682 (replace_may_alias): Ditto.
8683 (get_nmt_for): Ditto.
8684 (create_global_var):
8685 (is_escape_site): Return an escape_type enumeration.
8686 * tree-flow-inline.h (is_call_clobbered): Global var does not
8687 imply call clobbered.
8688 (mark_call_clobbered): Take a reason for marking this. Remove
8689 marking of globalness, and cache invalidation.
8690 (clear_call_clobbered): Remove cache invalidation code.
8691 * tree-dfa.c (dump_variable): If details is on, dump the reason
8693 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8695 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8696 (struct var_ann_d): Ditto.
8697 (enum escape_type): New.
8698 (mark_call_clobbered): Adjust prototype.
8699 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8700 are never call clobbered.
8701 Record reasons for escaping.
8702 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8703 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8704 (ssa_ro_call_cache_valid): Ditto.
8705 (clobbered_v_may_defs): Ditto.
8706 (clobbered_vuses): Ditto.
8707 (ro_call_vuses): Ditto.
8708 (clobber_stats): New.
8709 (init_ssa_operands): Zero out clobber stats.
8710 (fini_ssa_operands): Print out clobber stats.
8711 (get_call_expr_operands): Pass callee fndecl to
8713 (add_call_clobber_ops): Remove use of cache.
8714 Add use of PURE_CONST information.
8715 (add_call_read_ops): Remove use of cache.
8716 Add use of static not_read information.
8718 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8720 Introduce TLS descriptors for i386 and x86_64.
8721 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8722 (TARGET_ANY_GNU_TLS): New macro.
8723 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8724 (struct machine_function): Add tls_descriptor_call_expanded_p.
8725 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8726 (ix86_current_function_calls_tls_descriptor): Likewise.
8727 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8728 (override_options): Introduce gnu2 tls dialect.
8729 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8731 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8733 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8734 (ix86_init_machine_status): Initialize new field.
8735 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8736 (ix86_tls_module_base): New.
8737 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8738 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8739 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8740 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8741 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8742 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8743 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8744 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8745 * config/i386/predicates.md (tls_modbase_operand): New.
8746 (tp_or_register_operand): New.
8748 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8750 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8751 (look_for_address_of): Ditto.
8752 (ipa_init): Walk the function decls.
8753 (static_execute): Don't set readonly on FUNCTION_DECL's.
8755 2006-01-18 Roger Sayle <roger@eyesopen.com>
8757 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8758 for shifts where the source and destination registers are different.
8760 2006-01-18 Paul Brook <paul@codesourcery.com>
8762 Merge from csl-arm-branch.
8763 2005-03-14 Julian Brown <julian@codesourcery.com>
8764 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8765 (aeabi_llsl): Likewise.
8766 (ashrdi3): Likewise.
8767 (aeabi_lasr): Likewise.
8768 (lshrdi3): Likewise.
8769 (aeabi_llsr): Likewise.
8770 2005-03-10 Julian Brown <julian@codesourcery.com>
8771 * config.gcc: Disable shared libgcc for SymbianOS.
8772 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8774 2006-01-18 DJ Delorie <dj@redhat.com>
8776 * c-pragma.c (handle_pragma_diagnostic): New.
8777 (init_pragma): Register it.
8778 * doc/extend.texi: Document it.
8780 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8781 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8782 (diagnostic_context): Add classify_diagnostic[].
8783 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8784 as errors if they're overridden to DK_WARNING.
8785 (diagnostic_initialize): Initialize classify_diagnostic[].
8786 (diagnostic_set_kind_override): New.
8787 (diagnostic_report_diagnostic): Check for kind changes.
8788 * opts.c (common_handle_option): Take lang_mask. Update callers.
8790 * common.opt (Werror=): New.
8791 * doc/invoke.texi: Document -Werror=*
8793 2006-01-18 Jeff Law <law@redhat.com>
8795 * tree-vrp.c (test_for_singularity): Correct test for new
8796 min limit. Use operand_equal_p rather than pointer equality
8797 for testing if new min/max values are equal.
8799 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8800 using range information until after propagation and folding.
8802 2006-01-18 Richard Henderson <rth@redhat.com>
8803 Aldy Hernandez <aldyh@redhat.com>
8804 Jakub Jelinek <jakub@redhat.com>
8805 Diego Novillo <dnovillo@redhat.com>
8807 * omp-low.c: New file.
8808 * c-omp.c: New file.
8810 2006-01-18 Richard Henderson <rth@redhat.com>
8811 Jakub Jelinek <jakub@redhat.com>
8812 Diego Novillo <dnovillo@redhat.com>
8814 * doc/invoke.texi: Document -fopenmp.
8815 * tree-dump.h (debug_function): Declare.
8816 * hooks.c (hook_bool_tree_bool_false): New function.
8817 (hook_tree_tree_null): Remove.
8818 (hook_tree_tree_tree_null): New.
8819 * hooks.h: Update to match.
8820 * tree-pretty-print.c (debug_tree_chain): New.
8821 (print_generic_expr): Handle TDF_CHAIN.
8822 (dump_generic_node): Handle BLOCK.
8823 Do not abort with incomplete SWITCH_EXPRs.
8824 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8825 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8826 print space after directive name.
8827 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8828 Handle OMP_MASTER and OMP_ORDERED.
8829 Handle printing of OMP_BODY just in one place, goto
8830 dump_omp_body in the rest of OMP_* nodes that have
8832 Don't handle clause nodes here. Update omp statements to
8833 use dump_omp_clauses.
8834 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8835 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8836 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8837 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8838 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8839 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8840 Adjust output for GOMP_PARALLEL.
8841 (dump_omp_clauses): New.
8842 (print_declaration): Dump DECL_VALUE_EXPR.
8843 (op_symbol_1): Split out of op_symbol.
8844 (dumping_stmts): Remove. Update all users.
8845 * cgraph.c (cgraph_analyze_queue): New.
8846 (cgraph_add_new_function): New.
8847 * cgraph.h (cgraph_analyze_queue): Declare.
8848 (cgraph_add_new_function): Declare.
8849 (cgraph_lower_function): Remove.
8850 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8851 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8852 and TYPE_P nodes in its default clause.
8853 (empty_body_p): New.
8854 (tree_range_check_failed): New.
8856 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8857 OMP_CLAUSE_REDUCTION_MERGE,
8858 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8859 OMP_CLAUSE_PRIVATE_DEBUG,
8860 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8861 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8862 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8863 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8864 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8865 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8866 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8867 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8868 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8869 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8870 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8871 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8872 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8873 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8874 (TREE_RANGE_CHECK): New.
8875 (empty_body_p): Declare.
8876 (enum omp_clause_default_kind): New.
8877 (build_string_literal): Declare.
8878 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8879 (build5_stat, build5): Declare.
8880 * tree-pass.h (TDF_CHAIN): Define.
8881 * tree-pass.h (PROP_gimple_lomp): Define.
8882 (pass_lower_omp): Declare.
8883 * diagnostic.h (debug_tree_chain): Declare.
8884 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8886 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8887 * builtins.c (build_string_literal): Make extern.
8888 * gcc.c (include_spec_function): New.
8889 (static_spec_functions): Add it.
8890 (main): Move load of libgomp.spec ...
8891 (LINK_COMMAND_SPEC): ... here.
8892 (link_gomp_spec): New.
8893 (static_specs): Include it.
8894 (LINK_COMMAND_SPEC): Add link_gomp.
8895 (GOMP_SELF_SPECS): New.
8896 (driver_self_specs): Include it.
8897 (switch_matches): Don't mark inline.
8898 (main): Load libgomp.spec.
8899 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8900 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8901 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8902 * tree-gimple.h (enum omp_parallel): Declare.
8903 (determine_parallel_type): Declare.
8904 (omp_firstprivatize_variable): Declare.
8905 (omp_reduction_init): Declare.
8906 (diagnose_omp_structured_block_errors): Declare.
8907 (struct walk_stmt_info): Add want_return_expr.
8908 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8909 (find_omp_clause): Declare.
8910 (insert_field_into_struct): Declare.
8911 (struct walk_stmt_info): Move from tree-nested.c
8912 (walk_stmts): Declare.
8913 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8915 * cgraphunit.c (cgraph_lower_function): Make static.
8916 (cgraph_finalize_pending_functions): New.
8917 (cgraph_finalize_function): Call it.
8918 (cgraph_finalize_compilation_unit): Likewise.
8919 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8920 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8921 (BT_FN_UINT_UINT): New.
8922 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8923 DEF_FUNCTION_TYPE_VAR_4): Document.
8924 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8925 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8926 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8927 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8928 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8929 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8930 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8931 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8932 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8933 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8934 into separate files.
8935 (DEF_GOMP_BUILTIN): New.
8936 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8937 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8938 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8939 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8940 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8941 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8942 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8943 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8944 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8945 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8946 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8947 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8948 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8949 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8950 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8951 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8952 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8953 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8954 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8955 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8956 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8957 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8958 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8959 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8960 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8961 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8962 * sync-builtins.def: New file, moved from builtins.def.
8963 * omp-builtins.def: New file, moved from builtins.def.
8964 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8965 * gimple-low.c (lower_function_body): Clear data.
8966 (lower_stmt): Do not handle COMPOUND_EXPR.
8967 Remove call to print_node_brief.
8968 * c-tree.h (c_finish_omp_clauses): New prototype.
8969 (C_DECL_THREADPRIVATE_P): Define.
8970 (lookup_name_no_remap, c_omp_remap_private): Remove
8971 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8972 (check_for_loop_decls): Update decl.
8973 (lookup_name_no_remap, c_omp_remap_private): Declare.
8974 (build_indirect_ref, build_modify_expr, pushdecl,
8975 pushdecl_top_level): Move to c-common.h.
8976 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8977 before the switch, but just in the 2 places that need it.
8978 * c-decl.c (diagnose_mismatched_decls): Do not check for
8979 mismatched thread-local attributes when OLDDECL is marked
8980 threadprivate and NEWDECL has no thread-local attributes.
8981 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8982 (c_gimple_diagnostics_recursively): Rename from
8983 c_warn_unused_result_recursively. Invoke
8984 diagnose_omp_structured_block_errors.
8985 (check_for_loop_decls): Return a singular decl found.
8986 * langhooks.c (lhd_omp_predetermined_sharing): Return
8987 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8988 (lhd_omp_firstprivatize_type_sizes): New.
8989 (lhd_omp_assignment): New.
8990 (lhd_omp_predetermined_sharing): New.
8991 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8992 (struct lang_hooks_for_types): Add
8993 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8994 omp_predetermined_sharing, omp_disregard_value_expr,
8995 omp_private_debug_clause, omp_clause_default_ctor,
8996 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8997 (c_finish_omp_clauses): New.
8998 (c_finish_bc_stmt): Diagnose break within omp for.
8999 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9000 (build_unary_op): Return error_mark after reporting
9002 (build_modify_expr): Likewise.
9003 * gimplify.c: Include optabs.h and pointer-set.h.
9004 (enum gimplify_omp_var_data): Declare.
9005 (struct gimplify_omp_ctx): Declare.
9006 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9008 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9009 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9010 (splay_tree_compare_decl_uid): New.
9011 (new_omp_context): New.
9012 (delete_omp_context): New.
9013 (gimple_add_tmp_var): Call omp_add_variable.
9014 (gimplify_bind_expr): Likewise.
9015 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9016 true, disregard DECL_VALUE_EXPR on the decl if any.
9017 (gimplify_expr_in_ctx): New.
9018 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9019 omp_add_variable, omp_notice_variable, omp_is_private
9020 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9021 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9022 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9023 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9024 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9025 gimplify_omp_atomic): New.
9026 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9027 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9028 OMP_CRITICAL and OMP_ATOMIC.
9029 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9030 * c-pragma.h (enum pragma_kind): Add
9031 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9032 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9033 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9034 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9035 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9036 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9037 PRAGMA_OMP_THREADPRIVATE.
9038 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9039 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9040 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9041 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9042 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9043 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9044 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9045 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9046 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9047 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9048 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9049 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9050 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9052 (struct nesting_info): Add field_map,
9053 suppress_expansion, debug_var_chain.
9054 (create_nesting_tree): Initialize them.
9055 (lookup_field_for_decl): Use field_map.
9056 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9057 (convert_local_omp_clauses): New.
9058 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9059 (walk_body): Split out of walk_function.
9060 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9061 (convert_nonlocal_reference): Handle omp statements.
9062 (convert_local_reference): Likewise.
9063 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9064 (unnest_nesting_tree): New.
9065 (lower_nested_functions): Call it.
9066 (insert_field_into_struct): Make extern.
9067 (struct walk_stmt_info): Move to tree-gimple.h.
9068 (walk_stmts): Make extern.
9069 * omp-builtins.def: New file.
9070 * tree-iterator.c (expr_only): Clarify comment.
9071 * c-common.h (pushdecl_top_level, pushdecl,
9072 build_modify_expr, build_indirect_ref,
9073 c_finish_omp_master, c_finish_omp_critical,
9074 c_finish_omp_ordered, c_finish_omp_barrier,
9075 c_finish_omp_atomic, c_finish_omp_flush,
9076 c_finish_omp_for, c_split_parallel_clauses,
9077 omp_clause_default_kind, c_omp_sharing_predetermined,
9078 c_omp_remap_decl): Declare.
9079 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9080 (OBJS-common): Add omp-low.o.
9081 (c-omp.o, omp-low.o): Add.
9082 (gimplify.o): Add dependency on $(OPTABS_H).
9083 (GTFILES): Add omp-low.c.
9084 (gt-stringpool.h): Add.
9085 * tree-cfg.c (set_bb_for_stmt): Do not update the
9086 block-to-labels map if we are currently expanding to RTL.
9087 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9089 Handle IDENTIFIER_NODE.
9090 (tree_verify_flow_info): Do not ICE when emitting error
9091 messages about invalid labels.
9092 (dump_function_to_file): Reset CFUN before emitting the body
9094 (debug_function): New.
9095 * passes.c (init_optimization_passes): Schedule
9097 * langhooks-def.h (lhd_omp_predetermined_sharing,
9098 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9100 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9101 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9102 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9103 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9104 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9105 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9106 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9107 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9108 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9109 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9110 (LANG_HOOK_DECLS): Use them.
9112 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9113 Richard Henderson <rth@redhat.com>
9114 Jakub Jelinek <jakub@redhat.com>
9115 Diego Novillo <dnovillo@redhat.com>
9117 * c-parser.c (pragma_omp_clause): Define.
9118 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9119 (c_parser_compound_statement): Likewise.
9120 (c_parser_statement): Likewise.
9121 (c_parser_pragma): Handle omp pragmas.
9122 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9123 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9124 (c_parser_omp_clause_name, check_no_duplicate_clause,
9125 c_parser_omp_variable_list,
9126 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9127 c_parser_omp_clause_copyprivate,
9128 c_parser_omp_clause_default,
9129 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9130 c_parser_omp_clause_lastprivate,
9131 c_parser_omp_clause_nowait,
9132 c_parser_omp_clause_num_threads,
9133 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9134 c_parser_omp_clause_reduction,
9135 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9136 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9137 c_parser_omp_atomic, c_parser_omp_barrier,
9138 c_parser_omp_critical, c_parser_omp_flush,
9139 c_parser_omp_for_loop, c_parser_omp_for,
9140 c_parser_omp_master, c_parser_omp_ordered,
9141 c_parser_omp_sections_scope, c_parser_omp_sections,
9142 c_parser_omp_parallel, c_parser_omp_single,
9143 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9144 * c-pragma.c (init_pragma): Do omp pragma registration here.
9145 * c.opt (fopenmp): New flag.
9147 2006-01-18 Eric Christopher <echristo@apple.com>
9149 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9150 * config/darwin.h (GOMP_SELF_SPECS): Define.
9152 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9154 * rtl.h: Remove the prototype for reg_alloc.
9156 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9159 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9160 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9161 sjlj and dwarf2 exception handling.
9162 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9163 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9164 * pa/pa.c (function_value): Treat complex and vector types as
9166 (function_arg): Likewise. Only pass scalar floats in the floating
9167 point argument registers.
9168 * pa/t-slibgcc-dwarf-ver: New file.
9169 * pa/t-slibgcc-sjlj-ver: New file.
9170 * pa/t-slibgcc-elf-ver: Delete file.
9172 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9174 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9175 unlikely_test_section_p test.
9177 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9179 * mode-switching.c (optimize_mode_switching): Make it static.
9180 * basic-block.h: Remove the prototype for
9181 optimize_mode_switching.
9183 * modulo-sched.c (sms_schedule): Make it static.
9184 * rtl.h: Remove the prototype for sms_schedule.
9186 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9187 * rtl.h: Remove the prototype for gcse_after_reload_main.
9189 * reg-stack.c (reg_to_stack): Make it static.
9190 * rtl.h: Remove the prototype for reg_to_stack.
9192 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9194 * rtl.h: Remove the prototypes for regrename_optimize and
9195 copyprop_hardreg_forward.
9197 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9199 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9200 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9201 Test against the appropriate null constant for the mode.
9202 If 'fixup_overlap' is true, swap the operands if they overlap.
9203 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9204 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9205 alpha_split_tmode_pair and adjust for above change.
9206 * config/alpha/alpha.md (movtf_internal): Adjust call to
9207 alpha_split_tfmode_pair and rely on it to swap the operands.
9208 (movti_internal): New insn and post-reload splitter.
9209 (movti): New expander.
9211 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9213 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9216 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9218 * rtlanal.c (global_reg_mentioned_p_1,
9219 global_reg_mentioned_p): Remove.
9220 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9222 * flow.c (initialize_uninitialized_subregs): Make it static.
9223 * rtl.h: Remove the prototype for
9224 initialize_uninitialized_subregs.
9226 * function.c (instantiate_virtual_regs): Make it static.
9227 * function.h: Remove the prototype for
9228 instantiate_virtual_regs.
9230 * regmove.c (regmove_optimize, combine_stack_adjustments):
9232 * rtl.h: Remove the prototypes for regmove_optimize and
9233 combine_stack_adjustments.
9235 2006-01-17 Roger Sayle <roger@eyesopen.com>
9237 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9238 (size_cost): Encode costs in bytes so that a reg-reg addition is
9239 equivalent to COSTS_N_INSNS(1).
9240 (override_options): Use the size_cost.branch_cost as the default
9241 ix86_branch_cost when optimizing for size.
9243 2006-01-18 Ben Elliston <bje@au.ibm.com>
9245 * Makefile.in (D32PBIT_FUNCS): New.
9246 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9247 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9248 D64PBIT_FUNCS and D128PBIT_FUNCS.
9249 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9250 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9252 (decnumber_dep): Define.
9253 * doc/libgcc.texi (Decimal float library routines): New node.
9254 * config/dfp-bit.h, config/dfp-bit.c: New files.
9256 2006-01-18 Ben Elliston <bje@au.ibm.com>
9258 * expr.c (emit_move_change_mode): Always adjust addresses, not
9259 just during reload. Copy replacements only during reload.
9260 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9261 emit_move_via_integer.
9263 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9265 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9266 instead of $(srcdir) and ${srcdir}.
9268 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9272 * arm.h (struct machine_function): Add pic_reg.
9273 * arm.c (arm_pic_register): Make unsigned.
9274 (arm_override_options): Only set arm_pic_register if
9275 TARGET_SINGLE_PIC_BASE.
9276 (use_return_insn): Only test for a pic register if it is fixed.
9277 (arm_compute_save_reg0_reg12_mask): Likewise.
9278 (thumb_compute_save_reg_mask): Likewise.
9279 (legitimate_pic_operand): Factor out some known invariants.
9280 (legitimize_pic_address): If we don't have a fixed pic register,
9281 then set up a pseudo in the function entry sequence. Handle the
9282 pic base being in a pseudo.
9283 (arm_load_pic_register): Handle the pic register being in a pseudo.
9284 (arm_expand_prologue): Only set up the pic register if it is fixed.
9285 (thumb_expand_prologue): Likewise.
9286 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9287 (pic_load_addr_based_insn): Likewise.
9288 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9291 2006-01-18 Ben Elliston <bje@au.ibm.com>
9293 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9294 decimal float modes for all floating point registers.
9296 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9297 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9299 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9302 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9303 even when the pointer is not NULL.
9305 2006-01-16 Ian Lance Taylor <ian@airs.com>
9307 * common.opt (ftoplevel-reorder): New option.
9308 * cgraph.c (cgraph_asm_nodes): New global variable.
9309 (cgraph_asm_last_node): New static variable.
9310 (cgraph_order): New global variable.
9311 (cgraph_create_node): Set new order field.
9312 (cgraph_varpool_node): Likewise.
9313 (decide_is_variable_needed): Return true if not
9314 flag_toplevel_reorder.
9315 (cgraph_add_asm_node): New function.
9316 * cgraph.h (struct cgraph_node): Add order field.
9317 (struct cgraph_varpool_node): Add order field.
9318 (struct cgraph_asm_node): Define.
9319 (cgraph_asm_nodes, cgraph_order): Declare.
9320 (cgraph_add_asm_node): Declare.
9321 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9323 (cgraph_varpool_assemble_pending_decls): Call it.
9324 (cgraph_output_pending_asms): New static function.
9325 (cgraph_finalize_compilation_unit): Call it.
9326 (struct cgraph_order_sort): Define.
9327 (cgraph_output_in_order): New static function.
9328 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9329 !flag_toplevel_reorder case.
9330 * c-parser.c: Include "cgraph.h".
9331 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9333 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9334 than -fno-unit-at-a-time.
9335 * doc/invoke.texi (Option Summary): Mention
9336 -fno-toplevel-reorder.
9337 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9338 -funit-at-a-time documentation.
9340 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9341 Kazu Hirata <kazu@codesourcery.com>
9343 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9345 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9347 * Makefile.in (FUNCTION_H): New. Use it instead of
9348 function.h throughout the file.
9349 * function.h: Include tree.h.
9351 2006-01-17 Ben Elliston <bje@au.ibm.com>
9353 * recog.c: Separate some functions with whitespace.
9355 2006-01-16 Richard Henderson <rth@redhat.com>
9357 Merge from gomp branch:
9358 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9359 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9360 and rename from struct inline_data. Rename callee* to dst*;
9361 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9362 transform_new_cfg, transform_return_to_modify, and
9363 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9365 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9366 (copy_decl_for_dup): Remove.
9367 * tree-inline.c (struct inline_data): Move to header.
9368 (insert_decl_map): Export.
9369 (remap_decl): Update for member name changes. Use copy_decl hook.
9370 Allow for replacement to be a non-decl. Remove dead code.
9371 (remap_type_1): Check for existing mapping.
9372 (remap_type): Export.
9373 (remap_decls): Update for member name changes.
9374 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9375 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9376 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9377 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9378 (tree_function_versioning, build_duplicate_type): Likewise.
9379 (copy_body_r): Likewise. Export.
9380 (copy_decl_for_dup): Split into ...
9381 (copy_decl_for_dup_finish, copy_decl_to_var,
9382 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9383 (replace_ref_tree, inlining_p): Remove.
9385 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9387 * ifcvt.c (if_convert): Make it static.
9388 * rtl.h: Remove the prototype for if_convert.
9390 * local-alloc.c (local_alloc): Make it static.
9391 * rtl.h: Remove the prototype for local_alloc.
9393 * loop.c (loop_optimize): Make it static.
9394 * cfgloop.h: Remove the prototype for loop_optimize.
9397 2006-01-16 DJ Delorie <dj@redhat.com>
9399 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9402 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9404 * pa.md: Disparage copies between general and floating-point registers
9405 in 32-bit move patterns.
9407 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9410 * Makefile.in (check-%): Depend on site.exp instead of
9411 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9414 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9416 * global.c (global_alloc): Make it static.
9417 * rtl.h: Remove the prototype for global_alloc.
9419 2006-01-16 Richard Guenther <rguenther@suse.de>
9421 * tree-ssa-alias.c (struct used_part): Add write_only field.
9422 (get_or_create_used_part_for): Initialize it to true.
9423 (create_overlap_variables_for): Don't create structure variables
9424 for structures that only are written to.
9425 (find_used_portions): Handle MODIFY_EXPR to track whether a
9426 structure is only written to.
9428 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9430 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9432 * basic-block.h: Remove the prototype for
9433 partition_hot_cold_basic_blocks.
9435 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9437 * cppspec.c (lang_specific_spec_functions): Remove.
9438 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9439 * gcc.h (lang_specific_spec_functions): Remove.
9440 * gccspec.c (lang_specific_spec_functions): Remove.
9442 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9444 * combine.c (record_value_for_reg): Invalidate registers
9446 (record_dead_and_set_regs_1): Likewise, by passing them to
9447 record_value_for_reg.
9448 (record_dead_and_set_regs): Invalidate stores made by a
9449 call. We do not combine across a call, but we still
9450 relied on equivalences.
9452 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9454 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9455 vrp_int_const_binop returning non-constant nodes.
9457 2006-01-16 Paul Brook <paul@codesourcery.com>
9459 * config/m68k/m68k.c (output_move_const_into_data_reg):
9460 Output correct mnemonic for mvz and mvs.
9462 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9464 * rtl-factoring.c: Add sequence abstraction algorithm.
9465 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9466 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9468 (block_has_preserve_label): New function.
9469 * common.opt: Register new pass.
9470 * Makefile.in: Ditto.
9472 * timevar.def: Ditto.
9473 * tree-pass.h: Ditto.
9474 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9475 * rtl.h (make_jump_insn_raw): Add forward decl.
9476 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9478 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9479 Roger Sayle <roger@eyesopen.com>
9481 * fold-const.c (fold_minmax): New static function.
9482 (fold_binary) <MIN_EXPR>: Call it.
9483 <MAX_EXPR>: Likewise.
9484 * stor-layout.c (place_field): Use DECL_SIZE consistently
9485 in the computation of the new record size.
9487 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9489 * cse.c (cse_condition_code_reg): Make it static.
9490 * rtl.h: Remove the prototype for cse_condition_code_reg.
9492 * combine.c (combine_instructions): Make it static.
9493 * rtl.h: Remove the prototype for combine_instructions.
9495 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9498 * tree.c (get_file_function_name_long): Concatenate the first global
9499 object name with a string derived from the input filename of the object
9502 2006-01-16 Ben Elliston <bje@au.ibm.com>
9504 * config/i386/winnt-stubs.c: Update FSF address.
9505 * config/xtensa/ieee754-df.S: Ditto.
9506 * config/xtensa/ieee754-sf.S: Ditto.
9508 2006-01-14 Ian Lance Taylor <ian@airs.com>
9510 * ifcvt.c (noce_init_if_info): New static function, broken out of
9511 noce_process_if_block.
9512 (noce_process_if_block): Call noce_init_if_info.
9513 (check_cond_move_block): New static function.
9514 (cond_move_process_if_block): New static function.
9515 (process_if_block): Call cond_move_process_if_block.
9517 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9519 * cselib.c (hash_table): Rename to cselib_hash_table.
9520 (cselib_clear_table, discard_useless_values,
9521 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9522 cselib_init, cselib_finish): Adjust uses of hash_table.
9524 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9526 PR tree-optimization/25485
9527 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9528 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9529 is known to be false and true, respectively.
9531 2006-01-14 Richard Guenther <rguenther@suse.de>
9533 PR tree-optimization/22548
9534 PR tree-optimization/22555
9535 PR tree-optimization/22501
9536 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9537 * params.def (salias-max-array-elements): New parameter.
9538 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9539 * doc/invoke.texi (salias-max-array-elements): Document.
9540 * tree-flow-inline.h (var_can_have_subvars): We also handle
9542 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9544 * tree-ssa-structalias.c (params.h): Include.
9545 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9546 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9547 (get_constraint_for): For ADDR_EXPR operating on something
9548 containing an ARRAY_REF, add all subvars to the solution.
9549 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9550 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9551 for creating MUST_DEFs.
9552 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9554 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9556 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9558 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9559 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9560 number_of_iterations_le): New functions.
9561 (number_of_iterations_special): Removed.
9562 (number_of_iterations_exit): Do not use number_of_iterations_special.
9563 * tree.c (unsigned_type_for): Always return integer type.
9565 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9566 Richard Guenther <rguenther@suse.de>
9568 PR rtl-optimization/24257
9569 * gcse.c (find_moveable_store): Only consider a store movable
9570 when the SET_SRC of the insn can be assigned to a register.
9572 2006-01-14 Ian Lance Taylor <ian@airs.com>
9574 * tree.c (tree_not_class_check_failed): New function.
9575 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9576 (tree_not_class_check_failed): Declare.
9578 2006-01-13 Ian Lance Taylor <ian@airs.com>
9580 * reload1.c (do_output_reload): Add assertion rejecting a
9583 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9585 * combine.c (struct reg_stat): Add new fields truncation_label and
9587 (record_value_for_reg): Reset truncated_to_mode.
9588 (record_truncated_value): New function.
9589 (check_promoted_subreg): Call it. Rename to check_conversions.
9590 (combine_instructions): Rename check_promoted_subreg to
9592 (reg_truncated_to_mode): New function.
9593 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9594 (gen_lowpart_or_truncate): New function.
9595 (force_to_mode): Use it instead of gen_lowpart.
9597 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9599 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9600 VAR is a tag, not its type tag.
9602 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9604 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9605 alternatives to match style of other entries.
9606 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9608 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9610 PR tree-optimization/25771
9611 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9614 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9617 * tree-inline.c (declare_return_variable): If the return variable
9618 was marked as a non gimple complex, set the return slot variable
9619 to be a non gimple comple variable.
9621 2006-01-13 Richard Guenther <rguenther@suse.de>
9623 * builtins.c (expand_builtin_sincos): New function.
9624 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9626 (expand_builtin): Expand sincos using expand_builtin_sincos.
9628 2006-01-12 DJ Delorie <dj@redhat.com>
9630 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9631 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9632 so that constant shifts can be split.
9633 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9634 (m32c_valid_pointer_mode): Make static.
9635 (shift_gen_func_for): New.
9636 (m32c_prepare_shift): Use it. Split large const shifts into
9638 * config/m32c/predicates.md (shiftcount_operand): Allow more
9640 (longshiftcount_operand): New.
9641 * doc/md.texi (Machine Constraints): Document In6.
9643 2006-01-13 Ben Elliston <bje@au.ibm.com>
9645 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9646 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9649 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9651 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9652 to try to avoid clobbering pieces of structures when we know
9653 something about the whole structure.
9654 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9656 2006-01-13 Ben Elliston <bje@au.ibm.com>
9658 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9659 return in memory, as this is no limitation is no longer present.
9661 2006-01-12 DJ Delorie <dj@redhat.com>
9663 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9664 mova with fb, and for fb+0 -> An.
9666 * config/m32c/mov.md (peephole2): Fix enabling logic.
9668 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9669 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9670 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9671 FINI_ARRAY_SECTION_ASM_OP): Define.
9673 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9675 (m32c_legitimize_reload_address): New logic to reload FB to An.
9676 (m32c_output_reg_push): Add newline.
9677 (m32c_output_reg_pop): Likewise.
9679 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9681 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9683 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9685 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9687 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9689 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9692 2006-01-11 Ben Elliston <bje@au.ibm.com>
9694 * rtlanal.c (find_reg_note): Assert insn is not null.
9696 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9698 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9701 2006-01-11 Jeff Law <law@redhat.com>
9703 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9705 (mark_threaded_blocks, register_jump_thread): New functions.
9706 (thread_through_all_blocks): Remove unwanted argument. No
9707 longer rely on e->aux to communicate thread target info.
9708 Call mark_threaded_blocks. Release the threaded_blocks
9709 bitmap and threaded_edges vector when complete.
9710 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9711 (threaded_blocks): Remove.
9712 (tree_ssa_dominator_optimize): Remove initialization and
9713 finalization of threaded_blocks. Simplify call to
9714 thread_through_all_blocks.
9715 (thread_across_edge): Call register_jump_thread rather than
9716 storing thread information into e->aux.
9717 (free_all_edge_infos): Simplify now that e->aux is no longer
9718 used to communicate with thread_through_all_blocks.
9719 * tree-flow.h (thread_through_all_blocks): Update prototype.
9720 (register_jump_thread): Prototype.
9722 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9724 * df-core.c (df_compact_blocks, df_bb_replace): Use
9725 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9727 2006-01-11 Richard Guenther <rguenther@suse.de>
9729 PR tree-optimization/25734
9730 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9731 stop propagation after successful propagation to the LHS.
9733 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9735 * basic-block.h (control_flow_graph): Change the type of
9736 x_basic_block_info to VEC(basic_block,gc) *.
9737 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9739 (SET_BASIC_BLOCK): New.
9740 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9741 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9742 * cfgbuild.c (find_basic_blocks): Likewise.
9743 * cfglayout.c (fixup_reorder_chain): Likewise.
9744 * cfgrtl.c (create_basic_block_structure,
9745 rtl_create_basic_block): Likewise.
9746 * ifcvt.c (find_if_case_1): Likewise.
9747 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9750 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9752 * Makefile.in: Removed rotted odf.c entry.
9754 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9757 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9758 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9759 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9760 output pattern modifier, not %e.
9761 * config/cris/cris.c (cris_op_str): Update comment about pattern
9763 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9764 before falling through into...
9765 <case 'E'>: Redefined from old 'e' case.
9767 2006-01-11 Jan Hubicka <jh@suse.cz>
9770 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9772 2006-01-11 Jan Hubicka <jh@suse.cz>
9774 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9775 * i386.c (x86_decompose_lea): Kill.
9776 (ix86_rtx_costs): Kill.
9778 2006-01-11 Jan Hubicka <jh@suse.cz>
9780 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9781 * cgraph.h (cgraph_node): Add inline_decl.
9782 (cgraph_insert_node_to_hashtable): Declare.
9783 (save_inline_function_body): Declare.
9784 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9786 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9787 (cgraph_function_versioning): Update call of tree_function_versioning.
9788 (save_inline_function_body): New function.
9789 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9790 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9791 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9792 (cgraph_default_inline_p): Likewise.
9793 (cgraph_decide_inlining_incrementally): Likewise.
9794 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9795 (copy_bb): Kill saving; do updating of clones.
9796 (copy_cfg_body): Kill saving.
9797 (initialize_inlined-parameters): Likewise.
9798 (expand_call_inline): Likewise.
9800 (tree_function_versioning): New parameter "update_clones".
9801 (inlining_p): Kill saving.
9802 * tree-inline.h (tree_function_versioning): Update prototype.
9803 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9806 2006-01-11 Ian Lance Taylor <ian@airs.com>
9808 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9809 Allow undoing set of machine mode.
9810 (do_SUBST): Use enums instead of is_int.
9811 (do_SUBST_MODE): New function.
9812 (SUBST_MODE): New macro.
9813 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9814 reg and trying to replace reg_regno_rtx with a new register.
9815 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9816 (simplify_set): Use SUBST_MODE.
9817 (distribute_notes): Remove code that tried to update reg notes
9818 for regno_reg_rtx changes.
9820 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9822 PR tree-optimization/23109
9823 PR tree-optimization/23948
9824 PR tree-optimization/24123
9826 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9827 * tree-cfg.c (single_noncomplex_succ): New.
9828 * tree-flow.h (single_noncomplex_succ): Declare it.
9829 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9830 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9831 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9832 insert_bb, register_division_in, insert_reciprocals,
9833 replace_reciprocal, free_bb): New.
9834 (execute_cse_reciprocals_1): Rewritten.
9835 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9836 Do not commit any edge insertion. Always compute dominators and
9837 create the allocation pool.
9838 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9839 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9840 * targhooks.c (default_min_divistions_for_recip_mul): New.
9841 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9842 * passes.c (init_optimization_passes): Run recip after tree loop
9844 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9846 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9847 Kenneth Zadeck <zadeck@naturalbridge.com>
9849 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9850 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9851 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9852 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9853 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9854 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9855 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9856 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9857 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9858 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9859 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9860 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9861 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9862 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9863 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9864 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9865 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9866 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9867 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9868 DF_SCAN_POST_ALLOC): New macros.
9869 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9870 df_free_bb_function, df_local_compute_function, df_init_function,
9871 df_dataflow_function, df_confluence_function_0,
9872 df_confluence_function_n, df_transfer_function,
9873 df_finalizer_function, df_free_function, df_dump_problem_function,
9874 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9875 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9876 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9877 df_urec_bb_info, ) New types.
9878 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9880 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9881 df_analyze_simple_change_some_blocks,
9882 df_analyze_simple_change_one_block, df_compact_blocks,
9883 df_bb_replace, df_bb_regno_last_use_find,
9884 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9885 df_insn_regno_def_p, df_find_def, df_find_use,
9886 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9887 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9888 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9889 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9890 debug_df_chain, df_get_dependent_problem, df_chain_create,
9891 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9892 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9893 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9894 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9895 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9896 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9897 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9898 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9899 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9900 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9901 df_reorganize_refs, df_set_state, df_hard_reg_init,
9902 df_read_modify_subreg_p) New public functions.
9903 * df-core.c: The core dataflow solver and glue routines for rtl
9905 (df_init, df_add_problem, df_set_blocks, df_finish,
9906 df_hybrid_search_forward, df_hybrid_search_backward,
9907 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9908 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9909 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9910 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9911 df_reg_defined, df_find_use, df_reg_used, df_dump,
9912 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9913 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9914 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9915 debug_df_useno, reset_df_after_reload): New functions.
9916 * df-scan.c: The scanning fuctions, once in df.c, completely
9917 rewritten so that they now fully model the functionality of
9918 register usage at the backend.
9919 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9920 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9921 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9922 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9923 df_get_artificial_defs, df_get_artificial_uses,
9924 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9925 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9926 df_refs_delete, df_reorganize_refs, df_set_state,
9927 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9928 df_def_record_1, df_defs_record, df_uses_record,
9929 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9930 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9931 df_record_exit_block_uses, df_hard_reg_init): New functions.
9933 * df-problems.c: Seven concrete dataflow problems that use the
9934 scanning in df-scan.c and are solved by the engine in df-core.c.
9935 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9936 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9937 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9938 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9939 df_ru_free_bb_info, df_ru_alloc,
9940 df_ru_bb_local_compute_process_def,
9941 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9942 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9943 df_ru_transfer_function, df_ru_free, df_ru_dump,
9944 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9945 df_rd_free_bb_info, df_rd_alloc,
9946 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9947 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9948 df_rd_transfer_function, df_rd_free, df_rd_dump,
9949 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9950 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9951 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9952 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9953 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9954 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9955 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9956 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9957 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9958 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9959 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9960 df_urec_mark_reg_use_for_earlyclobber,
9961 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9962 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9963 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9964 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9965 df_chain_create_bb_process_use, df_chain_create_bb,
9966 df_chain_finalize, df_chain_free, df_chains_dump,
9967 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9968 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9969 df_reg_lifetime): New functions.
9970 * df.c: Deleted file.
9971 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9972 consistent with new df api.
9973 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9974 rest_of_handle_sms): Ditto.
9975 * web.c (unionfind_union, union_defs, entry_register, web_main):
9977 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9978 invariant_expr_equal_p, find_defs, check_dependencies,
9979 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9980 free_inv_motion_data, move_loop_invariants): Ditto.
9981 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9982 Update dependencies.
9983 (odf.c): Added defective entry that was deleted later in day.
9984 * sched-deps.c (sched_analyze_1): Ditto.
9986 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9988 * tree-ssa-operands.c (get_expr_operands): Record addressable
9989 variables directly. Do not call add_stmt_operands for CONST_DECLs
9991 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9992 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9994 2006-01-11 Ben Elliston <bje@au.ibm.com>
9996 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9997 function returns true in the positive case.
9999 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10002 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10003 for SI, DI, SF and DF modes. Add alternatives to copy between
10004 general and floating point registers to the 32-bit patterns.
10005 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10006 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10007 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10008 generating 64-bit code.
10009 * config/pa/pa.c (output_move_double): Handle copies between general
10010 and floating registers.
10012 2006-01-10 Stuart Hastings <stuart@apple.com>
10014 * config/i386/i386.md (set_got): Update.
10015 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10016 (builtin_setjmp_receiver): Mach-O support.
10017 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10018 (GOT_SYMBOL_NAME): Define.
10019 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10020 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10021 * config/i386/i386.c (override_options): Revise for Darwin.
10022 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10023 support. (darwin_x86_file_end): New. (output_set_got): Add label
10024 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10025 * config/i386/i386-protos.h (output_set_got): Likewise.
10026 * config/darwin.c (machopic_legitimize_pic_address): Update
10029 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10031 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10032 when MODE isn't BLKmode.
10034 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10036 PR rtl-optimization/25367
10037 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10039 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10042 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10043 for a negative bound.
10045 2006-01-10 Richard Guenther <rguenther@suse.de>
10047 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10048 Never override with anything constraint.
10050 2006-01-10 Jan Beulich <jbeulich@novell.com>
10052 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10053 256 bits when optimize_size.
10055 2006-01-10 Jan Beulich <jbeulich@novell.com>
10057 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10059 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10060 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10063 2006-01-10 Ben Elliston <bje@au.ibm.com>
10065 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10067 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10068 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10069 (USE_FP_FOR_ARG): Reject decimal float modes.
10070 (function_arg_advance): Likewise.
10071 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10072 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10073 point types in AltiVec vectors.
10074 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10075 (rs6000_libcall_value): Likewise.
10077 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10079 * config/xtensa/ieee754-df.S: New file.
10080 * config/xtensa/ieee754-sf.S: New file.
10081 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10082 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10083 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10085 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10087 * config/sh/predicates.md (binary_float_operator,
10088 binary_logical_operator, commutative_float_operator,
10089 equality_comparison_operator, greater_comparison_operator,
10090 less_comparison_operator, logical_operator,
10091 noncommutative_float_operator, shift_operator,
10092 symbol_ref_operand, unary_float_operator): Remove redundant
10095 2006-01-09 Jeff Law <law@redhat.com>
10097 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10098 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10099 now unused arguments. Callers updated.
10100 (eliminate_redundant_computations): Remove now unused arguments,
10102 (local_fold): Remove, no longer used.
10103 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10105 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10106 (simplify_cond): New function.
10107 (forward_propagate_into_cond): Call simplify_cond.
10109 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10111 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10112 (*vec_extractv2di_1_sse): New.
10114 2006-01-09 Ben Elliston <bje@au.ibm.com>
10116 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10118 2006-01-08 Richard Guenther <rguenther@suse.de>
10120 * tree-ssa-structalias.c (get_constraint_for): Remove
10121 anyoffset argument.
10122 (get_constraint_for_component_ref): Likewise.
10123 (do_deref): Likewise.
10124 (get_constraint_for): Likewise.
10125 (do_structure_copy): Likewise.
10126 (handle_ptr_arith): Likewise.
10127 (find_func_aliases): Likewise. Remove unused need_anyoffset
10130 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10131 Kaz Kojima <kkojima@gcc.gnu.org>
10133 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10134 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10135 (EXTRA_CONSTRAINT_C16): Remove.
10136 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10137 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10138 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10139 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10140 constants of SHmedia. Handle nested constant expressions of
10142 (andcosts): Fix the costs for SHmedia constants.
10143 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10144 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10145 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10146 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10147 (movv4hi_i, movv2si_i): Likewise.
10148 (movsi_const): Adjust the second operand of ior so to match with
10149 the Csu constraint.
10150 (movdi_const, movdi_const_32bit): Likewise.
10151 (movdi_const_16bit+1): Don't sign-extend LOW.
10152 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10154 (*double_shori): Fix the split condition. Use GEN_INT instead
10155 of get_int_mode calls. Mask lower 16-bit of the argument of
10157 (sym2GOTPLT): Remove.
10158 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10160 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10161 instead of EXTRA_CONSTRAINT_C16.
10163 2006-01-07 Ian Lance Taylor <ian@airs.com>
10164 David Edelsohn <edelsohn@gnu.org>
10166 PR rtl-optimization/25662
10167 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10168 for constant operands instead of simplify_gen_binary.
10169 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10170 after trying simplify_binary_operation
10172 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10174 * tree.c (iterative_hash_expr): Hash decls based on UID.
10176 2006-01-06 Eric Christopher <echristo@apple.com>
10178 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10179 (TARGET_UNWIND_EMIT): Fix spelling.
10180 * target.h (gcc_target): Add except_table_label.
10181 * except.c (output_function_exception_table): Use.
10182 * varasm.c (default_emit_except_table_label): New.
10183 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10185 (asm_out): Add here.
10186 * output.h (default_emit_except_table_label): Prototype.
10187 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10188 * config/darwin.c (darwin_emit_except_table_label): Define.
10189 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10191 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10193 PR tree-optimization/18527
10194 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10195 number_of_iterations_special, number_of_iterations_exit):
10196 Move base and step of an iv to a single structure. Add
10197 no_overflow flag, and use it in # of iterations analysis.
10198 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10199 folded_casts argument.
10200 (simple_iv): Pass base and step in a structure. Set no_overflow
10202 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10203 Evaluate expensiveness of computing # of iterations instead of
10204 the final expression.
10205 * tree-scalar-evolution.h (affine_iv): New structure.
10206 (simple_iv): Declaration changed.
10207 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10208 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10209 find_givs_in_stmt): Changed due to simple_iv change.
10211 2006-01-06 Jeff Law <law@redhat.com>
10214 * tree-cfg.c (bsi_replace): Rename final argument from
10215 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10216 change (stmt -> orig_stmt).
10217 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10218 (bsi_remove): Add new argument. Remove EH information
10220 (verify_eh_throw_table_statements): New function.
10221 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10223 * tree-optimize.c (execute_free_cfg_annotations): Verify
10224 the EH throw statement table after removing annotations.
10225 * except.h (verify_eh_throw_table_statements): Prototype.
10226 * tree-flow.h (bsi_remove): Update prototype.
10227 * tree-vrp.c (remove_range_assertions): Add new argument to
10229 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10230 * tree-complex.c (expand_complex_div_wide): Likewise.
10231 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10232 * tree-tailcall.c (eliminate_tailcall): Likewise.
10233 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10234 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10235 * tree-nrv.c (tree_nrv): Likewise.
10236 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10237 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10238 (combine_blocks): Likewise.
10239 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10240 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10241 (cleanup_control_flow): Likewise.
10242 (remove_forwarder_block): Likewise.
10243 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10244 * tree-sra.c (sra_replace): Likewise.
10245 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10246 (forward_propagate_single_use_vars): Likewise.
10247 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10248 * tree-inline.c (expand_call_inline): Likewise.
10249 * tree-vect-transform.c (vect_transform_loop): Likewise.
10250 * tree-outof-ssa.c (rewrite_trees): Likewise.
10251 * tree-cfg.c (make_goto_expr_edges): Likewise.
10252 (cleanup_dead_labels): Likewise.
10253 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10254 (bsi_move_before, bsi_move_after): Likewise.
10255 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10256 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10258 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10261 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10263 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10264 on non gimple variables. Also add checks at the top for decls and
10266 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10268 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10269 and IMAGPART_EXPR for creating MUST_DEFs.
10270 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10271 and NAME_MEMORY_TAG separately from the DECLs.
10273 2006-01-06 Richard Guenther <rguenther@suse.de>
10275 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10276 annotation, if necessary.
10277 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10278 redundant calls to update_stmt.
10279 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10282 2006-01-05 Richard Henderson <rth@redhat.com>
10284 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10286 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10288 * c-typeck.c: Update copyright date.
10290 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10292 * c-typeck.c (build_c_cast): Always warn when casting
10293 from a pointer to an integer of different size, even if
10294 the node was constant.
10296 2006-01-05 Richard Guenther <rguenther@suse.de>
10298 PR tree-optimization/22555
10299 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10300 if one structure field is an array.
10301 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10302 operands even if we found a subvar, but ignore VOPs in this
10304 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10306 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10308 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10310 PR middle-end/24998
10311 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10313 2006-01-05 Richard Guenther <rguenther@suse.de>
10314 Diego Novillo <dnovillo@redhat.com>
10316 * tree-pass.h (TODO_remove_unused_locals): Define.
10317 * gimple-low.c (expand_var_p, remove_useless_vars,
10318 pass_remove_useless_vars): Remove. Update all users.
10319 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10320 (remove_unused_locals): New function.
10321 * tree-flow.h (remove_unused_locals): Declare.
10322 * passes.c (execute_todo): Call remove_unused_locals if
10323 TODO_remove_unused_locals is set.
10324 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10325 * tree-ssa-dce.c (pass_dce): Likewise.
10326 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10328 2006-01-05 Richard Guenther <rguenther@suse.de>
10330 * tree-flow.h (struct fieldoff): Decompose field to
10331 type, size and decl.
10332 * tree-ssa-alias.c (create_sft): Take type as parameter.
10333 (create_overlap_variables_for): Store type, size and decl
10334 in the fieldoff structure.
10335 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10336 of struct fieldoff.
10337 (push_fields_onto_fieldstack): Likewise.
10338 (create_variable_info_for): Likewise. Use offset for the
10339 SFT name if the decl is not available.
10341 2006-01-04 Paul Brook <paul@codesourcery.com>
10343 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10345 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10347 * lambda-code.c (can_put_in_inner_loop): Relax
10349 (can_put_after_inner_loop): New function.
10350 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10351 (perfect_nestify): Change to make copies and modify uses.
10353 2006-01-04 Richard Henderson <rth@redhat.com>
10355 Merge from gomp branch:
10356 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10357 via integer constant.
10358 (pragma_lex): Remove.
10359 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10360 rather than parsing it.
10361 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10362 handle_pragma_extern_prefix): Add %< %> quotes.
10363 (registered_pragmas): New.
10364 (c_register_pragma_1): New.
10365 (c_register_pragma): Use it.
10366 (c_register_pragma_with_expansion): Likewise.
10367 (c_invoke_pragma_handler): New.
10368 (init_pragma): Use cpp_register_deferred_pragma directly for
10370 * c-pragma.h (enum pragma_kind): New.
10371 (pragma_handler): New.
10372 (c_invoke_pragma_handler): Declare.
10373 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10375 * c-common.h (c_common_pch_pragma): Update decl.
10376 * Makefile.in (c-parser.o): Update dependencies.
10377 (GTFILES): Add c-pragma.h.
10378 * c-parser.c (struct c_token): Add pragma_kind.
10379 (struct c_parser): Add in_pragma.
10380 (c_lex_one_token): Always initialize keyword and pragma_kind.
10381 Extract data for CPP_PRAGMA.
10382 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10383 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10384 Don't allow CPP_PRAGMA_EOL if in_pragma.
10385 (c_parser_consume_pragma): New.
10386 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10387 (c_parser_skip_to_end_of_parameter): Likewise.
10388 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10389 (c_parser_skip_to_pragma_eol): New.
10390 (c_parser_external_declaration): Handle CPP_PRAGMA.
10391 (c_parser_compound_statement_nostart): Likewise.
10392 (c_parser_statement_after_labels): Likewise.
10393 (c_parser_pragma): New.
10394 (pragma_lex): Likewise.
10395 (c_parser_pragma_pch_preprocess): New.
10396 (c_parser_new): Merge into ...
10397 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10399 2006-01-04 Jeff Law <law@redhat.com>
10402 * tree-cfg.c (bsi_replace): Remove the original statement
10403 from the EH throw statement table.
10405 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10407 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10408 make the prototype extern "C" and add throw ().
10411 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10412 and pos non-negative and pos + len <= 32.
10413 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10414 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10415 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10418 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10419 as well as sizes not multiple of component size.
10422 * function.c (instantiate_expr): New function.
10423 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10424 walk its DECL_VALUE_EXPR with instantiate_expr.
10426 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10427 DW_OP_deref{,_size} if address isn't going to be added.
10429 2006-01-04 Ben Elliston <bje@au.ibm.com>
10431 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10432 * config/fp-bit.c: Likewise.
10434 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10436 * dominance.c: Add comment about why we use DFS numbering
10439 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10440 Richard Henderson <rth@redhat.com>
10442 Merge from gomp-branch:
10443 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10444 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10446 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10448 PR rtl-optimization/25578
10449 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10450 pass a parameter to simplify_shift_const if changing ASHIFTRT
10453 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10455 * builtins.c (get_builtin_sync_mem): New function.
10456 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10457 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10458 Call get_builtin_sync_mem to generate mem rtx.
10460 2006-01-03 Richard Guenther <rguenther@suse.de>
10463 * stmt.c (add_case_node): Make sure to clear overflow flags
10466 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10468 Merge from gomp-branch.
10469 * config/sparc/sync.md: New file.
10470 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10471 UNSPECV_LDSTUB): New constants.
10472 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10473 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10474 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10477 2006-01-03 Roger Sayle <roger@eyesopen.com>
10479 * combine.c (reg_subword_p): New predicate to test whether the
10480 destination of a set refers to a subword/piece of a register.
10481 (try_combine): Generalize the code to merge the setting of a
10482 pseudo to a constant followed by a set of a subword of that
10483 register to a constant.
10485 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10487 * basic-block.h (control_flow_graph): Change the type of
10488 x_label_to_block_map to VEC(basic_block,gc) *.
10489 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10490 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10492 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10493 VEC(basic_block,heap) *.
10494 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10495 ssa_prop_fini): Adjust the uses of cfg_blocks.
10497 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10499 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10501 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10502 hashing trees instead of a pointer hash.
10503 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10504 compare for MEM_EXPR.
10506 PR rtl-optimization/25130
10507 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10508 when comparing MEMs for GCSE
10510 2006-01-03 Ben Elliston <bje@au.ibm.com>
10512 * targhooks.h (default_decimal_float_supported_p): Declare.
10513 * targhooks.c (default_decimal_float_supported_p): Define.
10514 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10515 `default_decimal_float_supported_p'.
10516 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10518 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10520 * combine.c (apply_distributive_law <SUBREG>): Check
10521 TRULY_NOOP_TRUNCATION.
10523 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10525 * dwarf2out.c (have_switched_text_section): Delete.
10526 (have_multiple_function_sections): New.
10527 (have_location_lists): Make 'bool'.
10528 (add_AT_loc_list): Use 'true' not '1'.
10529 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10530 (output_loc_list): Use have_multiple_function_sections.
10531 (output_ranges): Likewise.
10532 (dwarf2out_begin_function): Set have_multiple_function_sections if
10534 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10535 Check function_section rather than DECL_SECTION_NAME.
10536 (dwarf2out_finish): Use have_multiple_function_sections.
10537 Don't clear have_location_lists.
10539 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10540 Jan Hubicka <jh@suse.cz>
10542 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10543 case of conditional jump jumping to the next instruction.
10544 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10545 cases of conditional jump jumping to the next instruction.
10547 2006-01-02 Jan Hubicka <jh@suse.cz>
10549 * i386.c (*_cost): Add COSTS_N_INSNS.
10550 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10552 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10555 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10557 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10559 * config/arm/arm.c (all_fpus): Fix comment typo.
10560 * config/darwin.c: Likewise.
10561 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10562 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10563 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10565 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10567 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10568 (rs6000_split_compare_and_swapqhi): New.
10569 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10570 (sync_compare_and_swapqhi_internal): New.
10571 * config/rs6000/rs6000-protos.h: Declare.
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