1 2006-05-06 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/27151
4 * tree-vect-transform.c (vectorizable_condition): Punt on
5 values that have a different type than the condition.
7 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
10 * c-parser.c (c_parser_cast_expression): Only insert casts into
11 hash table if pointer.
12 * function.c (used_types_insert_helper): Rename from
14 (used_types_insert): Call used_types_insert_helper.
15 * function.h (used_types_insert): Accept only one argument.
17 2006-05-05 David Edelsohn <edesohn@gnu.org>
19 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
20 scratch with output modifier.
22 2006-05-04 David Edelsohn <edelsohn@gnu.org>
25 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
28 2006-05-04 Richard Sandiford <richard@codesourcery.com>
31 * config/mips/mips.c (mips_symbolic_address_p): Return true
32 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
33 SYMBOL_GOTTPREL, and SYMBOL_TLS.
35 2006-05-04 Richard Guenther <rguenther@suse.de>
37 PR tree-optimization/14287
38 PR tree-optimization/14844
39 PR tree-optimization/19792
40 PR tree-optimization/21608
41 PR tree-optimization/27090
42 * tree-ssa-pre.c (try_combine_conversion): New function.
43 (compute_avail): After constructing the value-handle
44 expression, use try_combine_conversion to combine NOP_EXPRs
45 with previous value-handle expressions and use the result if it
48 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
50 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
52 2006-05-04 Jan Hubicka <jh@suse.cz>
55 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
57 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
59 * config/bfin/predicates.md (const01_rtx): Tell generator programs
60 that this only matches CONST_INTs. All users changed to VOIDmode
63 * config/bfin/bfin.c: Include "optabs.h".
64 (bfin_rtx_costs): Some costs for vector operations, to allow combine
66 (enum bfin_builtins): Add a number of fractional and vector builtins.
67 (bfin_init_builtins): Likewise.
68 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
69 (safe_vector_operand, bfin_expand_binop_builtin,
70 bfin_expand_unop_builtin): New functions.
71 (bfin_expand_builtin): Handle the new builtins.
72 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
75 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
78 * Makefile.in (OBJS-common): Add see.o.
79 (see.o): Add dependencies.
80 * common.opt (fsee): New flag for the see optimization was added.
81 * opts.c (flag_see): Initialized.
82 * passes.c (init_optimization_passes, pass_see): New pass.
83 * rtl.h (see_main): Declaration as extern.
84 * timevar.def (TV_SEE): New.
85 * tree-pass.h (pass_see): Declaration as extern.
86 * invoke.texi (-fsee): Document.
87 * recog.c (validate_simplify_insn): New function.
88 * recog.h (validate_simplify_insn): Declaration as extern.
89 * df-problems.c (df_chain_dump): Check for NULL.
91 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
92 Daniel Berlin <dberlin@dberlin.org>
94 * cfgrtl.c (insert_insn_bb_end_new): New function.
95 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
97 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
99 * df.h (struct web_entry): Moved from web.c.
100 (union_defs): Declaration as extern.
101 (unionfind_root): Likewise.
102 (unionfind_union): Likewise.
103 * web.c (struct web_entry): Moved to df.h.
104 (unionfind_root): Remove static declaration.
105 (unionfind_union): Likewise.
106 (union_defs): Likewise and generalize to use callback function.
107 (web_main): Update arguments for union_defs function call.
109 2006-05-04 Richard Guenther <rguenther@suse.de>
111 PR tree-optimization/26447
112 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
113 produce SSA_NAME copies before the store stmt to avoid
114 breaking exception handling.
116 2006-05-04 Jakub Jelinek <jakub@redhat.com>
119 * gimplify.c (omp_is_private): If var is shared in some outer context,
120 return false instead of true. Stop searching on parallel context
123 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
126 * coverage.c: Use get_gcov_unsigned_t() instead of
127 unsigned_type_node all over.
129 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
131 PR tree-optimization/27381
132 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
133 maintain the same immediate_use links.
134 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
135 node rather than segfaulting.
137 2006-05-03 Jakub Jelinek <jakub@redhat.com>
140 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
141 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
142 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
144 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
146 Fix PR tree-optimization/26626
147 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
149 * tree-ssa-operands.c (access_can_touch_variable): Allow
150 typecasting through union pointers.
152 2006-05-02 Jakub Jelinek <jakub@redhat.com>
155 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
156 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
157 to find if var will be a global variable even in the nested context.
158 (omp_copy_decl): Only check for global variable at the end, it might
159 be overridden in outer contexts.
160 (scan_sharing_clauses): For global variables don't create a field.
161 (lower_rec_input_clauses): Do nothing for global shared variables.
162 Emit a barrier at the end of ILIST if there were any decls in both
163 firstprivate and lastprivate clauses.
164 (lower_send_clauses): Do nothing for global variables except for
167 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
169 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
170 of the correct signedness is returned.
172 2006-05-02 Jeff Law <law@redhat.com>
174 PR tree-optimization/27364
175 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
176 multiply expressions.
178 2006-05-02 Tom Tromey <tromey@redhat.com>
180 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
182 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
185 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
186 -mthumb -fPIC are used.
188 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
189 Joshua Kinard <kumba@gentoo.org>
192 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
193 with 64-bit pointers.
195 2006-05-02 Paul Brook <paul@codesourcery.com>
197 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
199 (create_fix_barrier): Check that a suitable barrier location is
201 (arm_reorg): Include ftmp->address in allowable range of addresses.
203 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
206 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
209 2006-05-02 Jakub Jelinek <jakub@redhat.com>
212 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
213 around RESULT_DECL for result passed by reference.
214 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
215 * omp-low.c (use_pointer_for_field): Don't look at
216 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
217 (scan_omp_1): Call remap_decl on RESULT_DECLs.
218 (lower_rec_input_clauses): Don't allocate VLA memory for the second
219 time or var for passing by reference for
220 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
221 TREE_ADDRESSABLE variables when passing by reference.
223 * omp-low.c (dump_omp_region): Fix output formatting.
226 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
227 (expand_omp_parallel): Likewise.
228 * tree-cfg.c (move_sese_region_to_fn): Likewise.
231 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
232 on statement list containing also constructors and destructors.
233 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
236 * except.c (duplicate_eh_regions): Fix clearing of
237 cfun->eh->region_array entries.
239 2006-05-01 DJ Delorie <dj@redhat.com>
241 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
243 (gcc_cv_objdump): Likewise.
244 * configure: Regenerated.
246 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
249 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
250 templates for case 3 and 4.
252 2006-05-01 DJ Delorie <dj@redhat.com>
254 * vec.c: Include bconfig.h when appropriate.
255 * Makefile.in (build/vec.o): Adjust dependencies.
256 * mkconfig.sh: Make sure config.h isn't used for build machine
259 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
261 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
263 (mark_phi_for_rewrite): New function.
264 (insert_phi_nodes_for, mark_use_interesting): Call
265 mark_phi_for_rewrite.
266 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
267 (update_ssa): Initialize and free phis_to_rewrite.
269 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
271 PR rtl-optimization/27291
272 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
273 folded to a constant.
275 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
277 PR tree-optimization/27283
278 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
279 not whole # of iteration descriptions.
280 (niter_for_exit): Return just # of iterations. Fail if # of iterations
281 uses abnormal ssa name.
282 (niter_for_single_dom_exit): Ditto.
283 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
284 return just the number of iterations.
286 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
288 PR tree-optimization/27144
289 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
290 (record_estimate): Only record constant upper bound.
291 (infer_loop_bounds_from_undefined): Call
292 compute_estimated_nb_iterations just once.
293 (proved_non_wrapping_p): Renamed to ...
294 (n_of_executions_at_most): ... this. Expect bound to be a constant.
295 (convert_step_widening, scev_probably_wraps_p): Call
296 n_of_executions_at_most instead of proved_non_wrapping_p.
297 (substitute_in_loop_info): Do not replace values in bounds.
298 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
301 2006-05-01 Richard Henderson <rth@redhat.com>
304 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
305 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
308 2006-05-01 Roger Sayle <roger@eyesopen.com>
310 * c-typeck.c (parser_build_binary_op): Don't call the function
311 unsigned_conversion_warning to spot operand/result type overflow.
312 (build_binary_op): Instead, call convert_and_check instead of
313 convert to report the problem when the operands are promoted.
314 * c-common.c (unsigned_conversion_warning): Make static.
315 * c-common.h (unsigned_conversion_warning): Delete prototype.
317 2006-05-01 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/26726
320 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
322 (find_interesting_uses_address): ... we work around here
323 by folding INDIRECT_REFs in the substituted base.
325 2006-05-01 Diego Novillo <dnovillo@redhat.com>
327 * omp-low.c (dump_omp_region): Add newlines.
329 2006-04-30 Roger Sayle <roger@eyesopen.com>
331 * common.opt (Woverflow): New command line option.
332 * c-common.c (constant_expression_warning): Check warn_overflow.
333 (overflow_waring): Pass OPT_Woverflow to warning.
334 (unsigned_conversion_warning): Likewise.
335 (convert_and_check): Likewise.
336 * doc/invoke.texi: Document new command line option.
338 2006-04-30 David Edelsohn <edelsohn@gnu.org>
340 * config/rs6000/rs6000.c (rs6000_override_options): Enable
341 TARGET_NO_FP_IN_TOC for section anchors.
342 (optimization_options): Enable section anchors for all
343 non-"Objective" languages.
345 2006-04-28 Eric Christopher <echristo@apple.com>
347 * config/darwin-c.c (darwin_ms_struct): Move this
348 (darwin_set_default_type_attributes): and this...
349 * config/darwin.c: ... here.
350 * config/darwin.h (darwin_ms_struct): Declare.
352 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
354 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
356 2006-04-28 Roger Sayle <roger@eyesopen.com>
359 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
360 (push_array_bounds): Delete prototype. Change BOUNDS argument to
361 an unsigned HOST_WIDE_INT.
362 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
364 (really_start_incremental_init): No need to call convert because
365 bitsize_zero_node is already of type bitsizetype.
366 (push_init_level): Extract the value of constructor_index as an
367 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
368 (process_init_element): Likewise.
370 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
372 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
373 value before passing to make_relative_prefix.
375 2006-04-28 Alan Modra <amodra@bigpond.net.au>
378 * builtins.c (expand_builtin_memset): Expand val in original mode.
380 2006-04-27 Eric Christopher <echristo@apple.com>
382 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
384 * config/darwin-c.c (darwin_ms_struct): New.
385 (darwin_pragma_ms_struct): Ditto.
386 (darwin_set_default_type_attributes): Ditto.
387 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
388 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
389 Register ms_struct pragma.
390 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
391 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
392 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
393 darwin_set_default_type_attributes if TARGET_MACHO.
395 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
397 PR tree-optimization/26854
398 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
399 * doc/tree-ssa.texi: Update immuse iterator documentation.
400 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
401 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
402 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
403 first_safe_imm_use, next_safe_imm_use): Remove.
404 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
405 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
406 (move_use_after_head): New. Helper function to sort immuses in a stmt.
407 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
408 (first_imm_use_stmt): New. Get first stmt in an immuse list.
409 (next_imm_use_stmt): New. Get next stmt in an immuse list.
410 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
411 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
412 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
413 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
414 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
415 (perfect_nestify): Use new iterator.
416 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
418 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
419 (next_imm_name): New field in struct immediate_use_iterator_d.
420 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
421 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
422 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
423 * tree-cfg.c (replace_uses_by): Use new iterator.
424 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
425 * tree-ssa-operands.c (correct_use_link): Remove.
426 (finalize_ssa_use_ops): No longer call correct_use_link.
428 2006-04-27 Stuart Hastings <stuart@apple.com>
430 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
431 * config/t-darwin (crt3.o): Use it.
432 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
433 'pmode', use Pmode instead of SImode for SYMBOL_REF.
434 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
435 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
436 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
439 2006-04-27 Roger Sayle <roger@eyesopen.com>
441 * expmed.c (store_fixed_bit_field): If we're not optimizing for
442 size, force the intermediate into a new pseudo rather instead of
443 performing both a bitwise AND and a bitwise IOR in memory.
445 2006-04-27 Richard Guenther <rguenther@suse.de>
447 PR rtl-optimization/26685
448 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
449 this one "max-flow-memory-locations".
451 2006-04-27 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/25148
454 * tree-vrp.c (compare_values): Remove code dealing with
455 comparisons against type min/max value. Honour overflow
456 and negative constants in code dealing with comparisons
457 of plus and minus expressions.
458 (value_inside_range): Use fold_binary with LE_EXPR and
459 GE_EXPR rather than compare_values.
461 2006-04-27 Dirk Mueller <dmueller@suse.de>
463 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
466 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
468 * basic-block.h (safe_insert_insn_on_edge): Removed.
469 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
472 2006-04-26 David Edelsohn <edelsohn@gnu.org>
473 Paolo Bonzini <bonzini@gnu.org>
476 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
477 (simplify_and_const_int): Same.
479 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
481 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
483 2006-04-26 Jakub Jelinek <jakub@redhat.com>
486 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
487 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
488 cgraph_global_info_ready.
491 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
494 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
495 either decl or init is error_mark_node.
498 * tree-flow.h (struct omp_region): Add sched_kind.
499 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
500 instead of extracting omp for data.
501 (expand_omp_for): Save extracted sched_kind.
503 2006-04-25 Roger Sayle <roger@eyesopen.com>
505 * expmed.c (store_bit_field): Also check whether the bitsize is
506 valid for the machine's "insv" instruction before moving the
507 target into a pseudo for use with the insv.
508 * config/i386/predicates.md (const8_operand): New predicate.
509 * config/i386/i386.md (extv, extzv, insv): Use the new
510 const8_operand predicate where appropriate.
512 2006-04-25 DJ Delorie <dj@redhat.com>
514 * doc/install.texi (Specific): Clarify that this is not a list of
515 supported hosts or targets.
517 2006-04-25 Richard Sandiford <richard@codesourcery.com>
519 PR rtl-optimization/26725
520 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
521 block's BB_DIRTY flag.
523 2006-04-25 Geoffrey Keating <geoffk@apple.com>
525 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
528 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
531 2006-04-25 David Edelsohn <edelsohn@gnu.org>
533 * varasm.c (align_variable): New function.
534 (get_block_for_decl): Apply align_variable to DECL before
535 calculating section information.
536 (assemble_variable): Split out alignment computation.
538 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
540 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
543 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
545 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
546 MODE_PARTIAL_INT mode.
547 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
548 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
550 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
551 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
553 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
555 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
557 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
558 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
559 MACFLAG_IH): Likewise.
560 (movstricthi_1): Renamed from "*movstricthi".
561 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
562 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
563 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
564 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
565 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
566 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
567 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
568 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
569 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
570 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
571 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
572 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
573 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
574 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
575 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
577 * doc/rtl.texi (ss_ashift): Improve wording.
579 2006-04-24 Geoffrey Keating <geoffk@apple.com>
581 * dwarf2out.c (verify_marks_clear): New.
582 (prune_unused_types): Call verify_marks_clear initially, not
585 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
587 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
588 * doc/rtl.texi: Document them.
589 * simplify-rtx.c (simplify_unary_operation,
590 simplify_binary_operation_1): Don't abort when we see them.
592 2006-04-24 Mark Mitchell <mark@codesourcery.com>
595 2006-04-23 Mark Mitchell <mark@codesourcery.com>
596 * configure.ac: Completely disregard languages that are not
598 * configure: Regenerated.
600 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
601 Richard Guenther <rguenther@suse.de>
603 PR tree-optimization/27236
604 * tree-inline.c (copy_body_r): Make sure to copy
605 TREE_THIS_VOLATILE flag.
607 2006-04-24 Richard Guenther <rguenther@suse.de>
610 * tree-complex.c (update_parameter_components): Don't handle
611 unused parameters which have no default def.
613 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
614 Richard Guenther <rguenther@suse.de>
616 PR tree-optimization/27218
617 * tree-inline.c (expand_call_inline): Strip useless type
618 conversions for the return slot address.
620 2006-04-24 Richard Guenther <rguenther@suse.de>
622 * cfgloop.h (struct loops): Remove unused field array. Reorder
624 (LOOP_PREFETCH): Remove.
626 2006-04-24 Richard Guenther <rguenther@suse.de>
628 PR tree-optimization/22525
629 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
630 variable, adjust types of generated expressions.
632 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
634 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
635 (tree-vect-patterns.o): Likewise.
637 (cselib.o): Likewise.
638 (loop-doloop.o): Likewise.
639 (regclass.o): Likewise.
640 (reload1.o): Likewise.
641 (explow.o): Replace target.h with $(TARGET_H).
642 (ipa-prop.o): Likewise.
643 (ipa-cp.o): Likewise.
644 (ipa-inline.o): Likewise.
646 (reg-stack.o): Likewise.
648 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
650 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
652 2006-04-23 Mark Mitchell <mark@codesourcery.com>
654 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
656 * configure.ac: Completely disregard languages that are not
658 * configure: Regenerated.
661 * c-common.h (c_build_bitfield_integer_type): Declare.
662 * c-decl.c (c_build_bitfield_integer_type): Move to ...
663 * c-common.c (c_build_bitfield_integer_type): ... here.
665 2006-04-23 Roger Sayle <roger@eyesopen.com>
668 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
669 a SImode SUBREG of a floating point register after no_new_pseudos.
671 2006-04-23 Roger Sayle <roger@eyesopen.com>
673 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
674 identify potentially eliminable registers to additionally catch
675 VIRTUAL_INCOMING_ARGS_REGNUM.
676 (addsi3): Update the conditions on when to use addsi_small_int.
678 2006-04-23 Roger Sayle <roger@eyesopen.com>
681 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
682 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
683 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
685 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
687 * fold-const.c (range_predecessor): Use operand_equal_p
688 as the predicate for equality.
689 (range_successor): Likewise.
691 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
694 * config/soft-fp/op-common.h: Fix a typo.
696 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
699 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
700 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
702 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
704 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
706 * doc/tm.texi: Fix a typo.
708 2006-04-21 Geoffrey Keating <geoffk@apple.com>
710 * dwarf2out.c (struct die_struct): Document that die_sib makes
711 a circular linked list.
712 (FOR_EACH_CHILD): New.
713 (reverse_die_lists): Delete.
714 (reverse_all_dies): Delete.
715 (add_dwarf_attr): Correct documentation.
716 (remove_child_with_prev): New.
717 (remove_child_TAG): Update for change to die_struct, use
718 remove_child_with_prev.
719 (add_child_die): Update for change to die_struct.
720 (splice_child_die): Use remove_child_with_prev and add_child_die.
721 (print_die): Use FOR_EACH_CHILD.
722 (die_checksum): Likewise.
723 (assign_symbol_names): Likewise.
724 (output_location_lists): Likewise.
725 (build_abbrev_table): Likewise.
726 (calc_die_sizes): Likewise.
727 (mark_dies): Likewise.
728 (unmark_dies): Likewise.
729 (unmark_all_dies): Likewise.
730 (output_die): Likewise.
731 (prune_unused_types_mark): Likewise.
732 (prune_unused_types_walk): Likewise.
733 (same_die_p): Update for change to die_struct.
734 (break_out_includes): Likewise.
735 (prune_unused_types_prune): Likewise.
736 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
737 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
739 (dwarf2out_finish): Don't call reverse_all_dies.
741 2006-04-21 Eric Christopher <echristo@apple.com>
743 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
744 in comments and function names.
746 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
749 * c-typeck.c (digest_init): Robustify.
751 * c-typeck.c (pop_init_level): Simplify.
753 2006-04-21 Steve Ellcey <sje@cup.hp.com>
755 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
757 2006-04-21 Paul Brook <paul@codesourcery.com>
759 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
760 hardware floating point.
762 2006-04-21 David Edelsohn <edelsohn@gnu.org>
764 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
767 2006-04-21 Nick Clifton <nickc@redhat.com>
769 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
772 2006-04-21 Alan Modra <amodra@bigpond.net.au>
775 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
776 C++ lang type in traceback table for Objective-C++.
778 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
780 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
782 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
784 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
787 * tree-mudflap.c (mudflap_finish_file): Skip function when there
788 were errors. Remove check for erroneous objects.
790 2006-04-20 Jeff Law <law@redhat.com>
792 PR tree-optimization/26854
793 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
794 checking for zero or one use.
795 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
796 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
797 * tree-ssa-reassoc.c (negate_value): Similarly.
798 (reassociate_bb): Similarly.
800 2006-04-20 Jakub Jelinek <jakub@redhat.com>
802 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
803 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
804 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
806 2006-04-20 Alan Modra <amodra@bigpond.net.au>
808 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
809 fp regs if the last fp arg doesn't fit in regs.
811 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
814 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
815 that the last insn has the REG_INC note.
817 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
818 Nathan Sidwell <nathan@codesourcery.com>
821 * stor-layout.c (update_alignment_for_field): Do not align
823 (place_union_field): Place union field at the start of the union.
824 (place_field): Move ERROR_MARK check later, and use the current
825 allocation position to maintain monotonicity.
827 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
829 * dominance.c: Include timevar.h.
830 (calculate_dominance_info): Use TV_DOMINANCE.
831 * timevar.def (TV_DOMINANCE): New timevar.
832 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
834 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
836 PR rtl-optimization/14261
837 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
838 move would be an INSV insn.
839 (noce_process_if_block): Don't optimize if the destination is a
840 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
842 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
844 * config/s390/s390.md: Add comments with the instructions emitted
845 by an insn pattern if macros are used.
847 2006-04-19 Alan Modra <amodra@bigpond.net.au>
849 PR rtl-optimization/26026
850 * fold-const.c (fold_binary): Optimize div and mod where the divisor
851 is a known power of two shifted left a variable amount.
853 2006-04-18 Geoffrey Keating <geoffk@apple.com>
855 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
856 to hash table twice when the debug_str section has SECTION_MERGE.
858 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
860 * config/soft-fp: New directory. From glibc.
861 * config/soft-fp/t-softfp: New.
862 * config/soft-fp/README: New.
863 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
864 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
865 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
866 (LIBGCC_DEPS): Add $(SFP_MACHINE).
867 * config.gcc: Use rs6000/t-fprules-fpbit or
868 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
870 * config/rs6000/sfp-machine.h: New. Based on glibc.
871 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
873 * config/rs6000/t-fprules: Remove fp-bit rules.
874 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
875 * config/rs6000/t-linux64: Likewise. Remove duplicates from
876 LIB2FUNCS_EXTRA. Remove fp-bit rules.
877 (softfp_wrap_start, softfp_wrap_end): New.
879 2006-04-18 DJ Delorie <dj@redhat.com>
881 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
883 2006-04-18 Devang Patel <dpatel@apple.com>
885 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
887 2006-04-18 Nick Clifton <nickc@redhat.com>
889 * config/sh/t-symbian: Add rule to build sh-c.o
890 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
891 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
892 (sh_symbian_encode_section_info): Likewise.
894 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
896 * builtins.c (expand_builtin_strcmp): Cover label definition of
897 do_libcall with HAVE_cmpstrnsi.
899 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
901 * function.c (temp_slots_at_level, max_slot_level): Use VEC
903 * function.h (temp_slot_p): New.
904 (function): Change the type of x_used_temp_slots to
905 VEC(temp_slot_p,gc) *.
907 2006-04-18 Nick Clifton <nickc@redhat.com>
909 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
910 flag_strength_reduce.
912 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
914 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
918 Partial revert of revision 112637
919 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
920 Dale Johannesen <dalej@apple.com>
923 * regclass.c (struct reg_pref): Update documentation.
924 (regclass): Set prefclass to NO_REGS if memory is the best option.
925 (record_reg_classes): Cope with a prefclass set to NO_REGS.
927 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
929 PR tree-optimization/26821
930 * tree-ssa-math-opts.c (get_constant_one): New.
931 (insert_reciprocals): Use it.
933 2006-04-17 Geoffrey Keating <geoffk@apple.com>
935 * dwarf2out.c (free_AT): Delete.
936 (remove_AT): Update string ref counts.
937 (remove_child_TAG): Don't call free_die.
939 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
941 (prune_unused_types_walk_attribs): Reset string refcounts.
942 (prune_unused_types_update_strings): New.
943 (prune_unused_types_prune): Don't make unnecessary stores. Don't
944 call free_die. Do call prune_unused_types_update_strings.
945 (prune_unused_types): Empty debug_str_hash.
947 2006-04-17 Roger Sayle <roger@eyesopen.com>
949 * expr.c (expand_assignment): Optimize away no-op moves where the
950 source and destination are equal and have no side-effects.
952 2006-04-17 Richard Guenther <rguenther@suse.de>
955 * reload.c (push_reload): Guard calls to get_secondary_mem
958 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
960 * alias.c (reg_base_value, old_reg_base_value): Change the
961 type to VEC(rtx,gc) *.
962 (REG_BASE_VALUE, find_base_value, record_set,
963 init_alias_analysis): Use VEC instead of VARRAY.
965 * alias.c (alias_sets): Change the type to
966 VEC(alias_set_entry,gc) *.
967 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
968 VEC instead of VARRAY.
969 (last_alias_set): Remove.
971 * cgraph.h (cgraph_edge_p): New.
972 Update the prototype of cgraph_function_versioning.
973 * cgraphunit.c (cgraph_copy_node_for_versioning,
974 cgraph_function_versioning): Use VEC instead of VARRAY.
975 * ipa-cp.c (ipcp_insert_stage): Likewise.
977 2006-04-16 Roger Sayle <roger@eyesopen.com>
980 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
981 "A op B" or "A op C", we may need to convert A to the type of B and C.
983 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
985 * target.h (struct gcc_target): Add mode_rep_extended.
986 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
987 (init_num_sign_bit_copies_in_rep): Initialize it using
989 (truncate_to_mode): Use it.
990 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
991 * targhooks.h (default_mode_rep_extended): Declare it.
992 * targhooks.c (default_mode_rep_extended): Define it.
993 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
994 default_mode_rep_extended.
995 (TARGET_INITIALIZER): Include it.
996 * doc/tm.texi (Misc): Document it.
997 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
998 (mips_truncated_to_mode): New function.
1000 2006-04-16 Roger Sayle <roger@eyesopen.com>
1003 * expr.c (compress_float_constant): Copy the narrow constant into
1004 a new pseudo before extending it to its final width.
1006 2006-04-16 Roger Sayle <roger@eyesopen.com>
1007 Andrew Pinski <pinskia@gcc.gnu.org>
1008 Dale Johannesen <dalej@apple.com>
1011 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1012 special case code to implement V8HImode and V16QImode with SSE2.
1014 2006-04-15 Roger Sayle <roger@eyesopen.com>
1016 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1017 trees are constructed with a suitable tree type.
1019 2006-04-15 Roger Sayle <roger@eyesopen.com>
1021 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1022 (integer_onep): Likewise.
1023 (integer_all_onesp): Likewise.
1024 (integer_pow2p): Likewise.
1025 (integer_nonzerop): Likewise.
1026 (real_zerop): Likewise.
1027 (real_onep): Likewise.
1028 (real_twop): Likewise.
1029 (real_minus_onep): Likewise.
1030 (int_size_in_bytes): Likewise.
1031 (host_integerp): Likewise.
1033 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1035 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1036 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1037 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1039 * tree-ssa-structalias.h (alias_info): Remove num_references.
1041 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1043 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1044 (output_bvb patterns): Likewise.
1045 * pa.c (output_bb): Use 'bb' insn for long branch case.
1046 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1047 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1048 1. Correct length operand for alternatives 1 and 2.
1049 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1050 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1052 2006-04-14 Roger Sayle <roger@eyesopen.com>
1054 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1055 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1056 were accidentally reverted by r112959.
1058 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1061 * except.h (eh_region_outermost): New prototype.
1062 * except.c (eh_region_outermost): New function.
1063 * tree-cfg.c (find_outermost_region_in_block): Use it.
1065 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1067 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1069 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1070 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1071 (init_reload, reload): Use VEC instead of VARRAY.
1072 * reload.h: Update the prototype for
1073 reg_equiv_memory_loc_varray.
1075 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1076 Eric Botcazou <ebotcazou@libertysurf.fr>
1078 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1081 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1084 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1085 to expand fallback builtin function call.
1087 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1090 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1091 and emit libcall here in case the builtin fails.
1092 (expand_builtin_strcmp): Always emit the libcall here on failure.
1094 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1096 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1097 * flow.c (reg_n_info): Change the type to
1098 VEC(reg_info_p,heap) *.
1099 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1101 * regs.h (reg_info_p): New.
1102 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1103 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1104 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1107 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1109 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1111 * params.h (MAX_SCHED_READY_INSNS): New macro.
1112 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1113 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1114 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1115 the ready list for 1 cycle during the first scheduling pass.
1116 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1118 2006-04-13 Richard Henderson <rth@redhat.com>
1121 * gimple-low.c (lower_omp_directive): Remove dead code.
1122 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1123 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1124 * omp-low.c (struct omp_region): Move to tree-flow.h.
1125 (root_omp_region): Export.
1126 (omp_regions, lookup_omp_region): Remove.
1127 (determine_parallel_type): Update for struct omp_region changes.
1128 (dump_omp_region): Dump regions with block numbers.
1129 (new_omp_region): Take type and block instead of stmt; malloc
1131 (free_omp_region_1, free_omp_regions): New.
1132 (expand_parallel_call): Take entry_stmt as argument; update for
1133 changes to omp_region.
1134 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1135 (remove_exit_barriers): New.
1136 (expand_omp_parallel): Update for struct omp_region changes.
1137 (expand_omp_synch): Likewise.
1138 (expand_omp): Likewise.
1139 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1140 (expand_omp_for_static_chunk): Likewise.
1141 (expand_omp_for): Likewise.
1142 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1143 (expand_omp_sections): Similarly, with GOMP_sections_end.
1144 (expand_omp_single): New.
1145 (build_omp_regions_1): Update for OMP_CONTINUE.
1146 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1147 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1148 OMP_SECTIONS_SECTIONS.
1149 (lower_omp_single_simple): Don't emit barrier here.
1150 (lower_omp_single_copy): Likewise.
1151 (lower_omp_single): Fix bindings, and lower to straightline now.
1152 (lower_omp_master, lower_omp_ordered): Likewise.
1153 (lower_omp_critical): Likewise.
1154 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1155 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1156 omp edges, free it afterward.
1157 (make_omp_sections_edges): Remove.
1158 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1159 (move_stmt_r): Handle OMP_CONTINUE.
1160 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1161 statement pointers to basic blocks. Add type member.
1162 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1163 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1164 * tree-inline.c (estimate_num_insns_1): Likewise.
1165 * tree-pretty-print.c (dump_generic_node): Likewise.
1166 * tree-ssa-operands.c (get_expr_operands): Likewise.
1167 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1168 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1169 (OMP_CONTINUE): New.
1170 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1171 (OMP_SECTIONS_SECTIONS): Remove.
1172 (OMP_SECTION_LAST): New.
1173 (OMP_RETURN_NOWAIT): New.
1175 2006-04-13 Roger Sayle <roger@eyesopen.com>
1177 * fold-const.c (native_encode_vector, native_interpret_real):
1178 Correct obvious mistakes in the previous check-in.
1180 2006-04-13 Roger Sayle <roger@eyesopen.com>
1182 * fold-const.c (native_encode_expr): New function to encode
1183 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1184 or VECTOR_CST into a specified buffer.
1185 (native_encode_int): New function.
1186 (native_encode_real): New function.
1187 (native_encode_complex): New function.
1188 (native_encode_vector): New function.
1189 (native_interpret_expr): Inverse of native_encode_expr to convert
1190 a target representation into an INTEGER_CST, REAL_CST etc...
1191 (native_interpret_int): New function.
1192 (native_interpret_real): New function.
1193 (native_interpret_complex): New function.
1194 (native_interpret_vector): New function.
1195 (fold_view_convert_expr): New function to constant fold/evaluate
1196 a VIEW_CONVERT_EXPR of a suitable constant expression.
1197 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1198 Change call of build1 to fold_build1 when constructing a
1201 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1202 Ulrich Weigand <uweigand@de.ibm.com>
1205 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1208 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1211 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1212 optimize to lo_sum for DFmode if !TARGET_FPRS.
1214 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1216 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1217 delete_alias_info, compute_flow_sensitive_aliasing,
1218 group_aliases): Use VEC instead of VARRAY.
1219 * tree-ssa-structalias.c (update_alias_info): Likewise.
1220 * tree-ssa-structalias.h (alias_info): Change the type of
1221 processed_ptrs to VEC(tree,heap) *.
1223 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1226 * config/sh/lib1funcs.h: New file, broken out of:
1227 * config/sh/lib1funcs.asm.
1228 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1230 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1231 * config/sh/lib1funcs-Os-4-200.asm: New file.
1232 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1233 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1234 (EXTRA_MULTILIB_PARTS): Include it.
1235 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1236 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1237 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1238 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1241 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1243 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1244 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1245 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1247 * tree-ssa-live.h: Include vecprim.h.
1248 (tree_partition_associator_d): Change the type of
1249 first_partition to VEC(int,heap) *.
1250 (tpa_first_partition): Use VEC instead of VARRAY.
1252 * Makefile.in (GTFILES): Move functions.h after tree.h.
1253 * function.c (reset_block_changes, record_block_change,
1254 check_block_change, free_block_changes): Use VEC instead of
1256 * function.h (function): Change the type of
1257 ib_boundaries_block to VEC(tree,gc) *.
1258 * tree-inline.c (copy_cfg_body): Initialize
1259 ib_boundaries_block to NULL instead of (varray_type) 0.
1261 2006-04-12 Roger Sayle <roger@eyesopen.com>
1263 * expr.c (emit_group_store): Correct operand order in call to
1264 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1265 a SUBREG_BYTE of zero.
1267 2006-04-12 Richard Guenther <rguenther@suse.de>
1269 * profile.c (compute_branch_probabilities): Remove code
1270 encapsulated in !ir_type (), which are remanents of the
1271 removed RTL profiling code.
1272 * rtl-profile.c: Remove.
1274 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1276 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1277 magic NULL_RTX comment.
1278 (function_arg): Store entire fp arg to mem if any part should go
1280 (rs6000_arg_partial_bytes): Adjust for above change.
1282 2006-04-11 Roger Sayle <roger@eyesopen.com>
1284 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1285 if it hasn't been initialized by dwarf2out_init.
1287 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1289 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1290 symbolic constants in branch patterns.
1292 2006-04-11 Roger Sayle <roger@eyesopen.com>
1294 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1296 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1298 PR rtl-optimization/27073
1299 * gcse.c (try_replace_reg): Revert last change. Continue to search
1300 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1303 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1305 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1306 aggregate types other than record and union types.
1307 (function_arg): Likewise.
1308 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1310 (function_value): In 64-bit mode, return objects that require it
1313 2006-04-11 Roger Sayle <roger@eyesopen.com>
1315 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1317 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1319 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1321 2006-04-03 Jeff Law <law@redhat.com>
1324 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1325 alias information too.
1327 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1329 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1331 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1334 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1335 (premark_used_types_helper): New.
1336 (premark_used_types): New.
1337 (gen_subprogram_die): Call premark_used_types.
1338 (prune_unused_types_walk): Do not prune perennial dies.
1339 * function.c (used_types_insert): New.
1340 * function.h (struct function): Add used_types_hash field.
1341 (used_types_insert): Add prototype.
1342 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1343 * c-parser.c (c_parser_cast_expression): Save casted types in used
1346 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1349 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1350 rs6000_explicit_options.float_gprs.
1352 2006-04-10 Roger Sayle <roger@eyesopen.com>
1354 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1355 from ix86_expand_vector_init_low_nonzero. Take an additional
1356 one_var argument indicating which element is non-zero. Support
1357 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1358 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1359 with one_var instead of ix86_expand_vector_init_low_nonzero.
1361 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1363 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1364 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1365 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1366 build/genextract.o): Depend on vecprim.h.
1367 * cfglayout.c, df-problems.c, function.c, genextract.c,
1368 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1369 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1373 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1375 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1376 Declare VECs of this type.
1377 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1378 (remove_children): Delete.
1379 (add_dwarf_attr): Use VEC routines.
1380 (add_AT_flag): Update for changes to add_dwarf_attr.
1381 (add_AT_int): Likewise.
1382 (add_AT_unsigned): Likewise.
1383 (add_AT_long_long): Likewise.
1384 (add_AT_vec): Likewise.
1385 (add_AT_string): Likewise.
1386 (add_AT_die_ref): Likewise.
1387 (add_AT_fde_ref): Likewise.
1388 (add_AT_loc): Likewise.
1389 (add_AT_loc_list): Likewise.
1390 (add_AT_addr): Likewise.
1391 (add_AT_lbl_id): Likewise.
1392 (add_AT_lineptr): Likewise.
1393 (add_AT_macptr): Likewise.
1394 (add_AT_offset): Likewise.
1395 (add_AT_range_list): Likewise.
1396 (get_AT): Use VEC_iterate.
1397 (remove_AT): Use VEC_ordered_remove.
1398 (free_die): Fold remove_children into here; have it use VEC_iterate.
1399 (print_die): Use VEC_iterate on attrs.
1400 (reverse_die_lists): Don't reverse attr lists.
1401 (die_checksum): Use VEC_iterate on attrs.
1402 (same_die_p): Likewise.
1403 (output_location_lists): Likewise.
1404 (build_abbrev_table): Likewise.
1405 (size_of_die): Likewise.
1406 (unmark_all_dies): Likewise.
1407 (output_abbrev_section): Likewise.
1408 (output_die): Likewise.
1409 (prune_unused_types_walk_attribs): Likewise.
1411 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1413 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1415 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1418 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1420 2006-04-09 Roger Sayle <roger@eyesopen.com>
1422 * expr.c (store_constructor): Don't bother clearing target if
1423 we're about to assign a vector to it using vec_init_optab.
1425 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1427 * tree-ssa-alias.c (lhs_may_store_to): New function.
1428 (recalculate_used_alone): Handle LHS of calls.
1430 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1434 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1435 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1436 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1437 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1438 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1439 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1440 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1441 stubs. Add ".align 8" directives before all ".dword" directives.
1442 (GTHREAD_USE_WEAK): Revise comment.
1443 (TARGET_ATTRIBUTE_WEAK): Define.
1444 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1445 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1446 * stublib.c: New file.
1451 * pa.md (cbranch patterns): Revise arguments used in calls to
1452 output_cbranch, output_bb and output_bvd. Add long branch length
1454 (fbranch patterns): Handle long branches.
1455 (jump): Revise length check. Revise arguments for output_lbranch call.
1456 Add long branch length attributes.
1457 (decrement_and_branch_until_zero): Add long branch length attributes.
1458 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1459 Likewise. Revise arguments for output_parallel_addb and
1460 output_parallel_movb calls.
1461 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1462 output_parallel_movb and output_parallel_addb): Update prototypes.
1463 * pa.c (output_cbranch): Revise arguments. Correct handling of
1464 nullification in long branches.
1465 (output_lbranch): Add new argument to control extraction of delay
1467 (output_bb): Handle long branches.
1468 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1469 output_parallel_addb): Likewise.
1471 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1473 PR rtl-optimization/27073
1474 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1477 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1479 * tree.h (tree_memory_tag): Add old_used_alone.
1480 (SMT_OLD_USED_ALONE): New macro.
1481 * tree-ssa-alias.c (recalculate_used_alone): Stop
1482 marking things for renaming unnecessarily.
1484 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1486 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1487 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1488 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1489 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1490 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1491 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1492 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1493 spelling convensions.
1494 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1495 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1496 typos. Follow spelling conventions.
1498 2006-04-07 DJ Delorie <dj@redhat.com>
1500 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1501 passed on the stack.
1502 (m32c_init_cumulative_args): When a function returns a structure,
1503 always pass the pointer to that return area on the stack.
1504 (m32c_function_arg_advance): Don't increment the parameter number
1505 if we're processing the returned structure pointer.
1506 (pushm_info): Reverse order of registers.
1508 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1510 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1511 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1512 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1513 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1515 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1516 chrec_fold_multiply): Same.
1517 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1518 force_expr_to_var_cost): Same.
1519 * tree-mudflap.c (mf_xform_derefs_1): Same.
1520 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1522 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1524 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1525 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1528 2006-04-07 Jan Hubicka <jh@suse.cz>
1530 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1532 2006-04-07 Richard Guenther <rguenther@suse.de>
1534 PR tree-optimization/26135
1535 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1536 loads for store copy-prop.
1537 (copy_prop_visit_stmt): Likewise.
1539 2006-04-05 Robert Millan <robertmh@gnu.org>
1541 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1542 being overriden in config/k*bsd-gnu.h.
1543 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1545 * gcc/config/knetbsd-gnu.h: Ditto.
1547 2006-04-06 Jan Hubicka <jh@suse.cz>
1551 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1554 2006-04-06 Mike Stump <mrs@apple.com>
1556 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1557 for HAVE_nonlocal_goto to be consistent.
1558 (expand_builtin_nonlocal_goto): Likewise.
1559 (expand_builtin_strcmp): Use #ifdef instead of #if
1560 for HAVE_cmpstrnsi to be consistent.
1562 2006-04-05 DJ Delorie <dj@redhat.com>
1564 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1567 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1569 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1570 got-relative addressing for anything but SImode.
1572 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1573 even if the calling function doesn't modify them.
1575 2006-04-05 Richard Guenther <rguenther@suse.de>
1577 PR tree-optimization/26919
1578 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1579 to cgraph_estimate_size_after_inlining.
1581 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1583 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1585 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1587 PR tree-optimization/26996
1588 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1589 VECTOR_TYPE variables.
1591 2006-04-05 Richard Guenther <rguenther@suse.de>
1593 PR tree-optimization/26763
1594 * fold-const.c (fold_comparison): Move folding of
1595 PTR + CST CMP PTR + CST ...
1596 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1598 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1600 * doc/install.texi (Prerequisites): Refine some wording on
1601 bootstrapping and ksh.
1602 Move the version numbers of DejaGnu here from the testing section
1603 and fix casing of names.
1604 Fix markup and clarify wording for autogen requirements.
1605 Refer to GCJ instead of just java.
1606 Refer to SVN instead of CVS.
1607 Describe diffutils as useful instead of necessary.
1608 (Downloading the source): Refer to SVN instead of CVS.
1609 Adjust a link to our web site accordingly.
1610 (Configuration): Fix casing of Bison.
1611 (Building): Refer to SVN instead of CVS.
1612 Fix a sentence on the use of Bison and remove duplicate (and
1613 incorrect) version number of Bison requirement.
1614 Remove one redundant list of packages needed for building.
1615 (Specific): Avoid reference to CVS.
1617 2006-04-04 Eric Christopher <echristo@apple.com>
1619 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1620 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1621 (rs6000_handle_struct_attribute): New.
1622 (rs6000_ms_bitfield_layout_p): Ditto.
1624 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1626 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1627 NULL for dso parameter to atexit_common.
1629 2006-04-04 Eric Christopher <echristo@apple.com>
1631 * config/i386/i386.c (machopic_output_stub): Output \t
1632 between instructions and operands.
1634 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1636 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1637 satisfies_constraint_[IL] to explicit tests on value.
1639 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1641 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1642 set_nb_iterations_in_loop): Use build_int_cst instead of
1644 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1645 build_int_cst instead of convert.
1647 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1649 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1650 new value 2 for incoming.
1651 * function.c (expand_function_start): Call struct_value_rtx
1653 * config/sparc/sparc.md: Comment updated_return.
1654 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1655 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1656 struct return if sparc_std_struct_return and incoming is 2.
1657 (print_operand): Do not adjust return if
1658 sparc_std_struct_return.
1660 2006-04-04 Roger Sayle <roger@eyesopen.com>
1662 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1663 convert in the middle-end.
1664 * expr.c (store_expr, store_constructor, get_inner_reference,
1665 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1667 * tree.c (build_range_type): Likewise.
1669 2006-04-04 Tom Tromey <tromey@redhat.com>
1671 * doc/install.texi (Prerequisites): Mention jar.
1673 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1675 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1678 2006-04-04 Matthias Klose <doko@debian.org>
1680 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1681 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1684 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1686 * doc/extend.texi (Function Attributes): Rewrite visibility
1687 attribute documentation.
1688 * doc/invoke.texi (C++ Dialect Options): Rewrite
1689 -fvisibility-inlines-hidden documentation to describe something
1690 entirely different, although in practise compatible.
1691 (Code Gen Options): Warn about system headers in -fvisibiltity=
1694 * doc/extend.texi (Other Builtins): Document that
1695 __builtin_nan is a compile-time constant only when its argument
1698 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1700 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1701 trying to remove TRUNCATE check if all bits outside the new mode
1702 are identical to the sign bit.
1704 2006-04-03 Jeff Law <law@redhat.com>
1706 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1707 and operand scanning in some common cases.
1709 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1710 Dale Johannesen <dalej@apple.com>
1713 * regclass.c (struct reg_pref): Update documentation.
1714 (regclass): Set prefclass to NO_REGS if memory is the best option.
1715 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1716 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1717 into account. For non-registers, equate an empty preferred
1718 reload class to a `!' in the constraint; move the if clause to
1719 do so after those that reject the insn.
1720 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1722 (find_dummy_reload): Likewise.
1723 * doc/tm.texi (Register Classes): Document what it means
1724 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1725 * config/i386/i386.c (ix86_preferred_reload_class): Force
1726 using SSE registers (and return NO_REGS for floating-point
1727 constants) if math is done with SSE.
1728 (ix86_preferred_output_reload_class): New.
1729 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1730 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1731 * config/i386/i386.md: Remove # register preferences.
1733 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1736 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1737 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1738 the type of nb_iter.
1739 (instantiate_parameters_1): Convert the operands before calling
1740 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1741 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1743 2006-04-02 Roger Sayle <roger@eyesopen.com>
1745 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1746 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1748 * dojump.c (do_jump): Likewise.
1749 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1750 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1751 gimplify_boolean_expr): Likewise.
1752 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1753 * varasm.c (array_size_for_constructor): Likewise.
1754 * tree-object-size.c (compute_object_offset): Likewise.
1756 2006-04-02 Roger Sayle <roger@eyesopen.com>
1759 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1760 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1762 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1764 PR tree-optimization/26939
1765 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1767 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1769 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1770 at_stmt. Convert the type of operands before calling
1771 build_polynomial_chrec.
1772 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1774 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1775 (instantiate_parameters_1): Convert the type of operands before calling
1776 build_polynomial_chrec.
1777 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1778 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1779 reset_evolution_in_loop): Insert asserts to check the types of the
1781 (chrec_type): Moved...
1782 (eq_evolutions_p): Use operand_equal_p.
1783 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1784 the types of the operands.
1785 (chrec_type): ...here.
1786 * tree-data-ref.c (create_data_ref): Convert the operands before
1787 calling chrec_replace_initial_condition.
1788 (same_access_functions, analyze_subscript_affine_affine,
1789 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1790 (compute_subscript_distance, analyze_ziv_subscript,
1791 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1792 analyze_miv_subscript): Convert the operands before calling
1793 chrec_fold_minus or chrec_fold_plus.
1795 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1797 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1798 the dependence_relations vector.
1799 (compute_data_dependences_for_loop): Adjust call to
1800 compute_all_dependences.
1802 2006-04-01 Roger Sayle <roger@eyesopen.com>
1803 Richard Henderson <rth@redhat.com>
1805 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1806 gimple_boolify on the condition before calling gimplify_expr.
1808 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1810 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1811 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1812 the frame size. Update to use the new macros.
1813 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1814 * config/xtensa/ieee754-df.S: Likewise.
1816 2006-03-31 Richard Henderson <rth@redhat.com>
1818 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1819 (make_edges): ... here. Control fallthru creation with a local
1820 variable. Do not play with fake edges.
1821 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1822 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1825 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1827 * dwarf2.h (DW64_CIE_ID): Define.
1828 * dwarf2out.c (DWARF_CIE_ID): Define.
1829 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1830 length header. Use DWARF_CIE_ID.
1831 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1832 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1834 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1836 * config/sh/linux-atomic.asm: New file.
1837 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1839 2006-03-31 DJ Delorie <dj@redhat.com>
1841 * config/m32c/cond.md: Set condition flags properly throughout.
1842 * config/m32c/minmax.md: Likewise.
1843 * config/m32c/prologue.md: Likewise.
1844 * config/m32c/bitops.md: Likewise.
1845 * config/m32c/muldiv.md: Likewise.
1846 * config/m32c/mov.md: Likewise.
1847 * config/m32c/addsub.md: Likewise.
1848 * config/m32c/m32c.md: Likewise.
1849 * config/m32c/jump.md: Likewise.
1850 * config/m32c/shift.md: Likewise.
1852 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1853 conditionally output the pattern for this.
1854 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1855 (m32c_compare_redundant): New.
1856 (m32c_output_compare): New.
1857 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1859 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1860 dest, not src. Allow other 4-byte modes.
1862 2006-03-30 Denis Chertykov <denisc@overta.ru>
1864 * doc/md.texi: Refer to avr/constraints.md instead of
1867 2006-03-30 Roger Sayle <roger@eyesopen.com>
1869 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1870 signed vs. unsigned comparison failures on some hosts.
1872 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1875 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1876 change to FLOAT_REGS.
1878 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1879 (rs6000_override_options): Use it.
1880 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1881 only for -mabi=spe/no-spe and -mabi=altivec.
1883 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1885 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1888 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1890 * Makefile.in: Rename docdir to gcc_docdir.
1892 2006-03-30 Roger Sayle <roger@eyesopen.com>
1895 * expr.c (emit_group_store): Optimize group stores into a pseudo
1896 register by using a paradoxical subreg to initialize the destination
1897 if the first or last member of the group specifies a "low part".
1899 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1902 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1903 * target.h (struct gcc_target.speculate_insn): Change type of the
1904 second parameter to 'int'.
1905 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1906 the second operand of the DEPS_LIST.
1907 (copy_DEPS_LIST_list): Update reference to the second operand of the
1909 * rtl.h (alloc_DEPS_LIST): Update signature.
1910 * sched-int.h (ds_t): Change typedef to 'int'.
1911 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1913 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1915 * haifa-sched.c (try_ready): Change condition to restore
1916 non-speculative pattern of the instruction.
1917 (process_insn_depend_be_in_spec): Code to keep probability of the
1918 speculative dependence non-decreasing.
1920 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1922 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1923 (single_move_for_movmem): ... this. Also change all uses.
1924 (bfin_expand_strmov): Renamed to...
1925 (bfin_expand_movmem): ... this. Also change all uses.
1926 * config/bfin/bfin.md (movstrsi): Renamed to...
1927 (movstrsi): ...this.
1929 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1931 PR tree-optimization/26830
1933 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1934 (copy_prop_visit_stmt): Remove write-only variable ann.
1935 (init_copy_prop): Check variable loop depth here. Do not simulate
1936 memory-tag and virtual operand PHIs except for store copy prop.
1938 2006-03-30 Richard Guenther <rguenther@suse.de>
1940 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1941 variants with double arguments.
1943 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1945 * genpreds.c (write_tm_constrs_h): Delete variable p.
1946 * genconditions.c (write_header): Add tm-constrs.h to included
1948 * genpeep.c (main): Add toplev.h to included headers.
1949 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1950 (build/genpeep.o): Add toplev.h dependency.
1951 * config/rs6000/constraints.md: Add "W" constraint.
1953 2006-03-29 Roger Sayle <roger@eyesopen.com>
1955 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1956 sizes by correctly testing whether the size fits a host integer.
1957 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1958 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1959 SImode range for the default sizetype and bitsizetype.
1961 2006-03-29 Roger Sayle <roger@eyesopen.com>
1963 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1964 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1965 quickly if the argument is already of the correct type.
1966 Call fold_build1 instead of build1. Tidy up blank lines.
1968 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1970 * genemit.c (main): Add tm-constrs.h to included headers.
1971 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1972 * genpeep.c (main): Add tm-constrs.h to included headers.
1973 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1974 (write_tm_constrs_h): this and write complete file.
1975 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1976 (write_insn_preds_c): Add tm-constrs.h to included headers.
1977 (gen_constrs): New variable.
1978 (parse_option): Parse "-c".
1979 (main): Invoke write_tm_constrs_h.
1980 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1981 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1982 (object_out_file): Add tm-constrs.h dependency.
1983 (insn-emit.o): Same.
1984 (insn-output.o): Same.
1985 (insn-peep.o): Same.
1986 (insn-preds.o): Same.
1987 (insn-recog.o): Same.
1988 (tm-constsr.h): New target.
1989 (s-constrs-h): New target.
1991 * config/rs6000/constraints.md: New file.
1992 * config/rs6000/rs6000.c: Include tm-constrs.h.
1993 (num_insn_constant_wide): Convert to satisfies_constraint.
1994 (rs6000_rtx_costs): Convert to satisfies_constraint.
1995 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1996 (CONST_OK_FOR_LETTER_P): Delete.
1997 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1998 (EXTRA_CONSTRAINT): Delete.
1999 (EXTRA_MEMORY_CONSTRAINT): Delete.
2000 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2001 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2002 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2003 satisfies_constraint.
2005 * config/i386/i386.c: Include tm-constrs.h.
2007 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2009 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2010 * tree-data-ref.c (find_data_references_in_loop,
2011 compute_data_dependences_for_loop): Use pointers to VEC.
2012 (analyze_all_data_dependences): Adjust calls.
2013 * tree-data-ref.h (find_data_references_in_loop,
2014 compute_data_dependences_for_loop): Adjust declarations.
2015 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2016 compute_data_dependences_for_loop.
2018 2006-03-29 Paul Brook <paul@codesourcery.com>
2020 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2023 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2025 PR tree-optimization/26859
2026 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2028 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2029 for the step after fold_convert.
2031 2006-03-29 Paul Brook <paul@codesourcery.com>
2033 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2034 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2036 2006-03-29 Paul Brook <paul@codesourcery.com>
2039 * targhooks.c (default_narrow_bitfield): New fuction.
2040 * targhooks.h (default_narrow_bitfield): add prototype.
2041 * target.h (gcc_target): Add narrow_volatile_bitfield.
2042 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2043 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2044 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2045 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2047 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2049 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2051 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2052 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2053 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2054 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2055 (s390_function_arg_float): Allow SDmode and DDmode values to be
2056 passed in floating point registers.
2057 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2058 check with SCALAR_FLOAT_MODE_P.
2059 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2061 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2063 PR tree-optimization/25985
2064 * tree-ssa-loop-niter.c (number_of_iterations_le,
2065 number_of_iterations_ne): Make comments more precise.
2066 (number_of_iterations_cond): Add only_exit argument. Use the
2067 fact that signed variables do not overflow only when only_exit
2069 (loop_only_exit_p): New.
2070 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2071 number_of_iterations_cond.
2073 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2075 PR tree-optimization/26643
2076 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2079 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2081 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2082 (divsi3_i4_int): Likewise.
2084 2006-03-28 Roger Sayle <roger@eyesopen.com>
2086 * expr.c (emit_group_store): Only create a new pseudo reg if the
2087 quantity it needs to hold isn't already a suitable pseudo.
2089 2006-03-28 Jeff Law <law@redhat.com>
2091 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2092 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2094 2006-03-28 Roger Sayle <roger@eyesopen.com>
2096 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2097 the equivalent ~X & Y, and the symmetry related transformations.
2098 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2099 ~X & Y, and symmetry related transforms.
2101 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2103 Revert my 2006-03-27 patches.
2105 2006-03-28 Roger Sayle <roger@eyesopen.com>
2107 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2108 ~(T1)X, when T1 and T2 are integer types of the same precision
2109 and (T2)X isn't an extension.
2111 2006-03-28 Jeff Law <law@redhat.com>
2113 PR tree-optimization/26796
2114 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2115 need EH edge cleanups rather than purging them immediately.
2116 (eliminate_degenerate_phis): Handle queued EH cleanups.
2118 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2120 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2123 2006-03-27 Roger Sayle <roger@eyesopen.com>
2126 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2127 cast BIT_NOT_EXPR operand to the correct type.
2129 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2131 * tree-loop-linear.c: Don't include varray.h.
2132 (gather_interchange_stats, try_interchange_loops,
2133 linear_transform_loops): Use VEC instead of VARRAY.
2134 * lambda-mat.c: Don't include varray.h.
2135 * tree-chrec.c: Same.
2136 * lambda-trans.c: Same.
2137 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2138 VEC instead of VARRAY.
2139 * tree-vectorizer.h: Idem.
2140 * tree-data-ref.c (dump_data_references,
2141 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2142 initialize_data_dependence_relation, finalize_ddr_dependent,
2143 compute_all_dependences, find_data_references_in_loop,
2144 compute_data_dependences_for_loop, analyze_all_data_dependences,
2145 free_dependence_relation, free_dependence_relations,
2146 free_data_refs): Idem.
2147 * tree-data-ref.h (data_reference_p, subscript_p): New.
2148 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2149 VEC instead of VARRAY.
2150 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2151 (find_data_references_in_loop, compute_data_dependences_for_loop,
2152 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2153 dump_data_dependence_relations, free_dependence_relations,
2154 free_data_refs): Adjust declaration.
2155 (lambda_transform_legal_p): Move declaration here...
2156 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2157 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2158 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2159 vect_analyze_data_refs): Use VEC instead of VARRAY.
2160 * lambda.h (lambda_transform_legal_p): ...from here.
2161 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2162 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2163 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2164 tree-chrec.o): Don't depend on VARRAY_H.
2166 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2168 * rtl.def (Copyright): Update date.
2169 (DEPS_LIST): Change type of the second operand to 'int'.
2170 * target.h (Copyright): Update date.
2171 (struct gcc_target.speculate_insn): Change type of the second parameter
2173 * lists.c (Copyright): Update date.
2174 (alloc_DEPS_LIST): Change signature. Update reference to the second
2175 operand of the DEPS_LIST.
2176 (copy_DEPS_LIST_list): Update reference to the second operand of the
2178 * rtl.h (Copyright): Update date.
2179 (alloc_DEPS_LIST): Update signature.
2180 * sched-int.h (Copyright): Update date.
2181 (ds_t): Change typedef to 'int'.
2182 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2184 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2186 * haifa-sched.c (Copyright): Update date.
2187 (try_ready): Change condition to restore non-speculative pattern
2189 (process_insn_depend_be_in_spec): Code to keep probability of the
2190 speculative dependence non-decreasing.
2192 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2194 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2195 shut up the compiler.
2197 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2199 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2200 to use lib prefix for target.
2201 ($(T)libic_invalidate_array_4-200.a): Likewise.
2202 ($(T)libic_invalidate_array_4a.a): Likewise.
2204 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2205 J"orn Rennecke <joern.rennecke@st.com>
2207 * superh.opt: New file.
2208 * sh.c (boardtype, osruntime): Remove.
2209 * superh.h (SUBTARGET_OPTIONS): Remove.
2210 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2212 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2213 arguments with ^ and/or [].
2215 * config.gcc (sh-*-*): Add quoting to account for quirk of
2217 Replace == with = in enable_incomplete_targets test.
2219 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2220 with MASK_LITTLE_ENDIAN.
2222 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2223 * config/sh/sh.opt: Added to some comments.
2224 * config/sh/superh.h: Removed some chaff.
2226 * config/sh/sh.opt: Add m4-[1234]00* options.
2227 * config/sh/sh.c (sh_handle_option): Likewise.
2228 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2229 (ic_invalidate_array_4-100.o): New rule.
2230 ($(T)libic_invalidate_array_4-100.a): Likewise.
2231 (ic_invalidate_array_4-200.o): Likewise.
2232 ($(T)libic_invalidate_array_4-200.a): Likewise.
2233 (ic_invalidate_array_4a.o): Likewise.
2234 ($(T)libic_invalidate_array_4a.a): Likewise.
2235 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2236 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2238 * config/sh/crt1.asm: Merged in profiling code.
2239 * config/sh/superh.h (STARTFILE_SPEC): Override.
2240 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2241 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2242 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2244 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2245 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2246 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2248 * sh.opt (mpretend-cmove): New option.
2249 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2250 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2251 (movsicc): Add TARGET_PRETEND_CMOVE code.
2253 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2255 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2256 s390_class_max_nregs): New function prototypes.
2257 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2258 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2259 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2260 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2262 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2264 * dwarf2out.c (add_location_or_const_value_attribute): Call
2265 tree_add_const_value_attribute if nothing else works.
2266 (reference_to_unused): New.
2267 (rtl_for_decl_init): Use reference_to_unused to decide whether
2268 to output an initializer.
2270 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2273 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2274 peephole removing spe frob_di_df_2.
2276 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2278 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2279 (subscript_dependence_tester_1): Declared.
2280 (print_dir_vectors, print_dist_vectors): New.
2281 (debug_data_dependence_relation): New.
2282 (dump_data_dependence_relation): Print more details.
2283 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2284 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2285 (save_dist_v, save_dir_v, add_outer_distances,
2286 build_classic_dist_vector_1): New.
2287 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2288 Don't test for lambda_vector_lexico_pos.
2289 (same_access_functions, add_multivariate_self_dist,
2290 add_other_self_distances, dir_from_dist): New.
2291 (build_classic_dir_vector): Replace implementation almost identical to
2292 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2294 (subscript_dependence_tester_1): New.
2295 (subscript_dependence_tester): Handle the lexicographically negative
2296 distance vectors by recomputing the dependence relation.
2297 (compute_affine_dependence): Remove parameter loop_nest_depth.
2298 (compute_self_dependence): Don't call compute_subscript_distance.
2299 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2300 Add a parameter for the loop_nest.
2301 (find_loop_nest_1, find_loop_nest): New.
2302 (compute_data_dependences_for_loop): Compute the loop nest, and give
2303 up if the nest is not well formed.
2304 * tree-data-ref.h (loop_p): New.
2305 (struct data_dependence_relation): Replace size_vect field with
2306 loop_nest, a vec of loops.
2307 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2308 (DDR_LOOP_NEST): New.
2309 (print_dir_vectors, print_dist_vectors,
2310 debug_data_dependence_relation): Declared.
2311 (index_in_loop_nest): New.
2312 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2313 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2316 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2318 * simplify-rtx.c (simplify_relational_operation): Call
2319 simplify_relational_operation_1 even if mode is VOIDmode.
2321 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2323 PR tree-optimization/26804
2324 * tree.h (DECL_CALL_CLOBBERED): New macro.
2325 (tree_decl_common): Add call_clobbered_flag.
2326 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2327 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2328 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2329 (mark_non_addressable): Ditto.
2330 * tree-ssa.c (verify_call_clobbered): New function.
2331 (verify_alias_info): Use it.
2332 * tree-pass.h (pass_reset_cc_flags): New prototype.
2333 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2334 (reset_cc_flags): New function.
2335 * passes.c (init_optimization_passes): Call reset_cc_flags after
2336 initializing referenced_vars.
2338 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2339 Roger Sayle <roger@eyesopen.com>
2342 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2343 to 1.0 for non-real operands. Implement A / A optimization for
2346 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2348 * config/i386/i386.c (size_cost): Correct the comment for
2349 cost of storing fp registers.
2350 (i386_cost): Likewise.
2351 (i486_cost): Likewise.
2352 (pentium_cost): Likewise.
2353 (pentiumpro_cost): Likewise.
2354 (k6_cost): Likewise.
2355 (athlon_cost): Likewise.
2356 (k8_cost): Likewise.
2357 (pentium4_cost): Likewise.
2358 (nocona_cost): Likewise.
2359 (generic64_cost): Likewise.
2360 (generic32_cost): Likewise.
2362 2006-03-24 Denis Chertykov <denisc@overta.ru>
2364 * config/avr/avr-protos.h (extra_constraint): Delete.
2365 (extra_constraint_Q): New declaration.
2366 * config/avr/constraints.md: New file.
2367 * config/avr/avr.md: Include it.
2368 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2369 (TMP_REGNO, ZERO_REGNO): Likewise.
2370 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2371 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2372 (extra_constraint): Delete.
2373 (extra_constraint_Q): Test for memory constraint 'Q'.
2374 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2375 (REG_CLASS_FROM_LETTER): Delete.
2376 (CONST_OK_FOR_LETTER_P): Delete.
2377 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2378 (EXTRA_CONSTRAINT): Delete.
2379 (TMP_REGNO): Delete.
2380 (ZERO_REGNO): Delete.
2382 2006-03-24 Jeff Law <law@redhat.com>
2384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2385 directly. Call mark_new_vars_to_rename slightly earlier.
2387 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2389 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2391 (gen_compile_unit_die): Use new language types for Objective-C and
2393 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2394 DW_LANG_C_plus_plus.
2397 * config/t-darwin (crt3.o): Work around bug 26840.
2398 * config/darwin-crt3.c: Rewrite.
2399 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2401 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2403 * doc/invoke.texi: Document -femit-class-debug-always
2404 * common.opt: Add -femit-class-debug-always.
2406 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2408 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2409 index and base register.
2410 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2411 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2412 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2413 REGNO_OK_FOR_INDEX_P.
2414 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2416 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2417 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2418 REG_OK_FOR_BASE_P): Definitions removed.
2420 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2423 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2424 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2425 set yet or weren't marked as local yet.
2427 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2429 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2432 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2434 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2435 (rs6000_legitimate_small_data_p): Delete.
2436 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2437 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2438 and make static. Add forward declaration. Update uses.
2439 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2440 of offsettable_memref_p.
2441 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2442 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2444 2006-03-24 Jeff Law <law@redhat.com>
2446 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2447 around bug in immediate-use iterator.
2449 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2452 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2453 or __LITTLE_ENDIAN__.
2455 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2457 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2458 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2459 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2460 * config/sh/sh.opt (mdiv=): Amend description.
2461 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2462 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2463 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2464 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2465 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2466 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2467 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2468 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2469 TARGET_DIVIDE_CALL_FP.
2471 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2473 * haifa-sched.c (choose_ready): Fix type of the local variable.
2474 Move local variables. Add comment.
2475 (check_reg_live): Change signature. Make callable from debugger.
2476 * sched-int.h (check_reg_live): Update signature.
2477 * sched-ebb.c (check_reg_live): Update parameters.
2478 * sched-rgn.c (check_reg_live): Ditto.
2479 (region_head_or_leaf_p): Check pointer before dereferencing.
2480 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2481 before reload on optimization levels below 1.
2483 2006-03-23 Richard Henderson <rth@redhat.com>
2485 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2489 * config/alpha/predicates.md (local_symbolic_operand): Reject
2492 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2495 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2496 expressions which have overflowed constants.
2498 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2500 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2502 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2504 * cfgloopmanip.c (create_loop_notes): Removed.
2505 * final.c (final_scan_insn): Do not handle loop notes.
2506 * jump.c (squeeze_notes): Ditto.
2507 * cfglayout.c (skip_insns_after_block,
2508 duplicate_insn_chain): Ditto.
2509 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2511 * cfgloop.h (create_loop_notes): Declaration removed.
2513 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2515 * varasm.c (output_constant_pool): Restore fnname and fndecl
2517 (assemble_start_function): Adjust call accordingly.
2518 (assemble_end_function): Likewise.
2520 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2523 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2526 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2528 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2531 * system.h (ICE_EXIT_CODE): New macro.
2532 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2533 (diagnostic_action_after_output): Likewise.
2534 * gcc.c (fatal_ice): New function.
2535 (execute): Use it instead of fatal.
2536 (fancy_abort): Likewise.
2537 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2539 2006-03-22 Jeff Law <law@redhat.com>
2541 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2542 iv_analyze_result returning false.
2544 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2546 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2548 2006-03-22 Richard Henderson <rth@redhat.com>
2551 * except.c (duplicate_eh_regions_0): New.
2552 (duplicate_eh_region_1): Duplicate the children of the node as
2553 well as the node itself. Link them up properly.
2554 (duplicate_eh_region_2): Merge into ...
2555 (duplicate_eh_regions): ... here. Take copy_region argument, and
2556 copy only a sub-tree if asked. Simplify copying and fixup.
2557 (eh_region_outer_p): New.
2558 * except.h (duplicate_eh_regions): Update decl.
2559 (eh_region_outer_p): Declare.
2560 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2561 (lower_omp_master): Likewise.
2562 (lower_omp_ordered): Likewise.
2563 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2564 (move_stmt_r): Use it to remap labels. Handle recursion vs
2565 remap_decls_p properly.
2566 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2567 (find_outermost_region_in_block): New.
2568 (new_label_mapper): New.
2569 (move_sese_region_to_fn): Copy eh information to the new function
2571 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2573 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2576 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2578 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2579 into shared libraries.
2581 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2583 * doc/md.texi: Refer to i386/constraints.md instead of
2585 * config/i386/constraints.md: New file, extracted from...
2586 * config/i386/predicates.md: ...here.
2587 * config/i386/i386.md: Include constraints.md.
2589 2006-03-21 Jason Merrill <jason@redhat.com>
2591 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2594 * expr.c (init_block_move_fn): Force default visibility.
2595 (init_block_clear_fn): Likewise.
2596 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2597 * targhooks.c (default_external_stack_protect_fail): Likewise.
2599 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2601 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2602 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2603 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2604 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2605 (loadgp): Use mips_current_loadgp_style.
2606 (loadgp_noshared): New pattern.
2607 (sibcall_internal): Use MIPS_CALL.
2608 (sibcall_value_internal): Likewise.
2609 (sibcall_value_multiple_internal): Likewise.
2610 (call_internal): Likewise.
2611 (call_value_internal): Likewise.
2612 (call_value_multiple_internal): Likewise.
2613 (call_split): Use MIPS_CALL and add an 'S' constraint.
2614 (call_value_split): Likewise.
2615 (call_value_multiple_split): Likewise.
2616 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2617 (-mshared): New option.
2618 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2619 (mips_current_loadgp_style): Declare.
2620 * config/mips/mips.c (mips_classify_symbol): Avoid using
2621 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2622 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2623 TARGET_ABSOLUTE_ABICALLS.
2624 (override_options): Adjust comments. Improve the warning that is
2625 issued when -mabicalls and -G are used together.
2626 (mips_file_start): Remove comment.
2627 (mips_current_loadgp_style): New function.
2628 (mips_gnu_local_gp): New variable.
2629 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2631 (mips_output_function_prologue): Use mips_current_laodgp_style.
2632 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2633 the cprestore instruction.
2634 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2635 live for TARGET_ABSOLUTE_ABICALLS.
2636 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2637 (ASM_SPEC): Pass down -mshared and -mno-shared.
2638 (MIPS_CALL): New macro.
2639 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2641 * doc/invoke.texi (-mabicalls): Update documentation.
2642 (-mshared): Document.
2644 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2646 * config/ia64/unwind-hpux.c: New file.
2647 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2649 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2652 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2654 2006-03-21 Jeff Law <law@redhat.com>
2656 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2657 type conversions of a VR_VARYING source to a wider type.
2659 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2661 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2662 tm_file on Solaris 10 and later.
2663 (sparc64-*-solaris2*): Likewise.
2664 (sparc-*-solaris2*): Likewise.
2665 * config/sol26.h: Rename to config/sol2-6.h.
2666 * config/sol2-10.h: New file.
2668 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2671 * tree-ssa-pre.c (create_component_ref_by_pieces):
2674 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2677 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2678 return it immediately.
2680 2006-03-21 Michael Matz <matz@suse.de>
2682 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2684 (remove_arc, add_arc): Update num_out_arcs member.
2685 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2687 (cache_presence): New function.
2688 (compare_states_for_equiv): New function.
2689 (state_is_differed): Don't take number of outargs, adjust callers.
2690 Use new invariant for speeding up.
2691 (init_equiv_class): Create initial classes based on sorted
2693 (partition_equiv_class): Don't track out_arcs_num.
2694 (evaluate_equiv_classes): Call cache_presence on all states and
2697 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2699 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2700 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2701 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2702 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2704 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2705 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2706 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2707 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2708 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2710 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2711 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2712 (REGNO_REG_CLASS): ARGP is in PREGS.
2713 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2715 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2716 to deal with those addresses.
2717 * addresses.h: New file.
2718 * caller-save.c: Include "addresses.h".
2719 (init_caller_save): Use new base_reg_class function.
2720 * rtl-factoring.c: Include "addresses.h".
2721 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2722 * recog.c: Include "addresses.h".
2723 (preprocess_constraints): Use new base_reg_class function.
2724 * regrename.c: Include "addresses.h".
2725 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2726 functions. Keep track of a new var INDEX_CODE to compute valid
2728 (replace_oldest_value_addr): Likewise.
2729 (replace_oldest_value_mem): Use base_reg_class.
2730 * reload.c: Include "addresses.h".
2731 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2732 (find_reloads): Use new base_reg_class function.
2733 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2734 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2735 all callers and prototype changed.
2736 * reload1.c: Include "addresses.h".
2737 (maybe_fix_stack_asms): Use base_reg_class.
2738 * regclass.c: Include "addresses.h".
2739 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2740 (init_reg_autoinc): Use new base_reg_class function.
2741 (record_reg_classes): Likewise.
2742 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2743 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2744 Use new args to compute necessary class.
2746 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2747 regrename.o, rtl-factoring.o): Update dependencies.
2748 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2749 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2750 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2751 REG_OK_FOR_INDEX_P): Delete documentation.
2753 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2755 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2756 from V7 to V9 for Solaris 7 and above.
2758 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2760 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2761 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2762 argument pointers may not alias any other storage.
2763 * common.opt: Define option -fargument-noalias-anything.
2764 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2765 alias semantics is specified by flag_argument_noalias > 2.
2767 2006-03-20 Jeff Law <law@redhat.com>
2769 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2770 (pass_phi_only_cprop): Declare.
2771 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2773 * tree-ssa-dom.c (degenerate_phi_result): New function.
2774 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2775 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2776 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2777 (eliminate_degenerate_phis): Likewise.
2778 (pass_phi_only_cprop): New pass descriptor.
2779 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2780 support code. Callers updated.
2781 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2782 (store_copy_prop): Likewise.
2783 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2785 2006-03-20 Jason Merrill <jason@redhat.com>
2788 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2789 (push_visibility, pop_visibility): Likewise.
2790 * c-pragma.h: Declare them.
2792 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2794 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2796 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2797 parameter and use get_ebb_head_tail.
2798 (sh_md_init_global): Adjust uses of find_regmode_weight.
2800 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2802 * function.h (struct function) <x_tail_recursion_reentry>:
2803 Rename to x_stack_check_probe_note.
2804 (tail_recursion_reentry): Rename to stack_check_probe_note.
2805 * function.c: Replace tail_recursion_reentry with
2806 stack_check_probe_note everywhere.
2807 (expand_function_start): Only emit a note for
2808 stack_check_probe_note with -fstack-protect.
2809 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2811 * emit-rtl.c (remove_unnecessary_notes): Remove.
2812 (pass_remove_unnecessary_notes): Remove.
2813 * rtl.h (remove_unnecessary_notes): Remove prototype.
2814 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2815 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2816 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2818 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2821 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2822 (valid_in_set): Handle ARRAY_REF.
2823 Change "if min_variant or VH" to asserts.
2824 (create_component_ref_by_pieces): Handle ARRAY_REF.
2825 (create_expression_by_pieces): Likewise.
2826 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2828 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2830 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2831 is operand of switch, not str[0].
2833 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2835 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2836 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2838 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2840 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2841 end of insn_extra_address_constraint declaration.
2843 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2845 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2846 (no-sum-in-toc): Same.
2847 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2849 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2850 NO_FP_IN_TOC for -fPIC instead of mask.
2852 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2853 (BOOT_LDFLAGS): Delete.
2855 * config/rs6000/t-aix52: Same.
2857 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2858 (stmsi[345678]_power): New.
2860 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2862 * config/ia64/ia64.opt: Add empty line to end of file.
2864 2006-03-17 Richard Guenther <rguenther@suse.de>
2867 * builtins.c (get_pointer_alignment): For component style references
2868 adjust alignment to the component type alignment. Make sure
2869 to adjust alignment for component access of constants.
2871 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2873 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2876 2006-03-17 Paul Brook <paul@codesourcery.com>
2878 * doc/install.texi: Docuemnt --with-mode.
2879 * config.gcc: Add --with-mode for arm*-*-*.
2880 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2882 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2884 * sh.c (max_labelno_before_reorg): New variable.
2885 (sh_reorg): Initialize it.
2886 (find_barrier): Check max_labelno_before_reorg before using
2887 label_to_alignment. Take length of explicit alignment insns
2888 into account. When seeing a UNSPECV_CONST_END, return it.
2890 * sh.c (fixup_mova): Set mode of affected label to QImode.
2891 (untangle_mova): New function.
2892 (find_barrier): Use it. Check mode of label before decrementing
2894 (sh_reorg): Likewise.
2895 Set mode of all insns back to VOIDmode.
2897 * sh.c (MOVA_LABELREF): New macro.
2898 (mova_p, fixup_mova, sh_reorg): Use it.
2899 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2900 ADDR_DIFF_VEC matches mova.
2902 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2904 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2905 with ATTRIBUTE_UNUSED.
2907 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2909 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2910 pointer, instead of assuming it is possible to derive the
2911 correct args size from a call insn.
2913 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2915 * rtl.h (CONST_INT_P): Define.
2916 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2917 instead of GET_CODE(x) == CONST_INT.
2918 (vax_rtx_costs): Likewise.
2919 (vax_output_int_move): Likewise.
2920 (vax_output_int_add): Likewise.
2921 (legitimate_constant_address_p): Likewise.
2922 (index_term_p): Likewise.
2923 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2924 * config/vax/vax.md (and<mode>3): Likewise.
2925 (ashrsi3): Likewise.
2927 (movstricthi): Likewise.
2928 (movstrictqi): Likewise.
2929 (rotrsi3): Likewise.
2930 (five unnamed insns): Likewise.
2932 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2934 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2935 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2936 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2937 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2938 Pass to ASM_OUTPUT_DWARF_OFFSET.
2939 * dwarf2out.c (debug_frame_section): New.
2940 (output_call_frame_info): Use debug_frame_section. Pass it to
2941 dw2_asm_output_offset.
2942 (output_die): Pass appropriate section to dw2_asm_output_offset.
2943 (output_compilation_unit_header): Likewise.
2944 (output_pubnames): Likewise.
2945 (output_aranges): Likewise.
2946 (enum dw_val_class): Break dw_val_class_lbl_offset into
2947 dw_val_class_lineptr and dw_val_class_macptr.
2948 (add_AT_lbl_offset): Delete.
2949 (add_AT_lineptr): New.
2950 (add_AT_macptr): New.
2951 (AT_lbl): Expect a lineptr or macptr.
2952 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2953 (attr_checksum): Likewise.
2954 (same_dw_val_p): Likewise.
2955 (size_of_die): Likewise.
2956 (value_format): Likewise.
2957 (output_die): Likewise.
2958 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2960 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2961 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2962 * config/darwin-protos.h (darwin_file_start): New.
2963 (darwin_asm_output_dwarf_offset): New.
2964 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2965 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2967 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2968 if not EH section; simplify.
2969 (darwin_file_start): New.
2970 (darwin_asm_output_dwarf_offset): New.
2971 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2973 (DEBUG_INFO_SECTION): Likewise.
2974 (DEBUG_ABBREV_SECTION): Likewise.
2975 (DEBUG_ARANGES_SECTION): Likewise.
2976 (DEBUG_MACINFO_SECTION): Likewise.
2977 (DEBUG_LINE_SECTION): Likewise.
2978 (DEBUG_LOC_SECTION): Likewise.
2979 (DEBUG_PUBNAMES_SECTION): Likewise.
2980 (DEBUG_STR_SECTION): Likewise.
2981 (DEBUG_RANGES_SECTION): Likewise.
2982 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2983 (ASM_OUTPUT_DWARF_OFFSET): New.
2985 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2987 * config.gcc (tm_defines): Always add to previous value rather
2990 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2992 * config/mips/predicates.md (splittable_const_int_operand): New,
2993 split from move_operand.
2994 (splittable_symbolic_operand): New.
2995 (move_operand): Add commentary. Use splittable_const_int_operand.
2996 Inline mips_atomic_symbolic_constant_p.
2997 * config/mips/mips.md: Add combine splitters for handling moves
2998 of splittable_const_int_operands and splittable_symbolic_operands.
2999 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3000 (mips_split_symbol): Declare.
3001 (mips_move_integer): Declare.
3002 * config/mips/mips.c (mips_split_p): Make global.
3003 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3004 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3005 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3006 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3007 (mips_offset_within_object_p): Handle block symbols.
3008 (mips_atomic_symbolic_constant_p): Delete.
3009 (mips_cannot_force_const_mem): Return false for constants that
3010 mips_legitimize_move can handle.
3011 (mips_use_blocks_for_constant_p): New function.
3012 (mips_split_symbol): Make global.
3013 (mips_move_integer): Likewise. Add a temporary register argument.
3014 (mips_legitimize_const_move): Use splittable_const_int_operand and
3015 splittable_symbolic_operand.
3016 (mips_use_anchors_for_symbol_p): New function.
3017 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3018 (mips_split_p): Declare.
3020 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3022 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3023 (mips*-*-linux*): Likewise.
3025 2006-03-16 Roger Sayle <roger@eyesopen.com>
3026 Daniel Speyer <dspeyer@wam.umd.edu>
3029 * tree-dump.c (dump_real): New function.
3030 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3031 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3032 (tree-dump.o): Add $(REAL_H) to the dependencies.
3034 2006-03-16 Roger Sayle <roger@eyesopen.com>
3037 * real.c (real_from_string): If the mantissa is zero, don't bother
3038 parsing the exponent as the result should always be zero.
3040 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3042 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3044 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3046 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3047 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3048 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3049 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3050 ia64_sched_finish_global): New static functions to implement
3051 hooks from gcc_target.sched.
3052 (spec_check_no, max_uid, pending_data_specs): New static variables.
3053 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3054 ia64_spec_check_src_p): New static functions.
3055 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3056 (TARGET_SCHED_ADJUST_COST): Removed.
3057 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3058 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3059 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3060 TARGET_SCHED_GEN_CHECK,
3061 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3062 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3063 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3064 Fixed to handle speculation checks.
3065 (rtx_needs_barrier): Fixed to handle speculative loads and
3067 (ia64_variable_issue): Added code to count speculative loads and their
3069 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3071 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3073 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3075 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3076 (ia64_reorg): Reset stops_p to NULL after it is freed.
3077 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3078 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3079 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3081 (data_speculative, control_speculative, check_load): New attributes.
3082 (mov<mode>_advanced, mov<mode>_speculative,
3083 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3084 zero_extend<mode>di2_speculative,
3085 zero_extend<mode>di2_speculative_advanced): New patterns for
3086 data and control speculative loads.
3087 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3089 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3090 New pattern for data and control speculation checks.
3091 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3092 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3093 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3094 Auxiliary definitions for the patterns.
3095 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3096 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3098 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3100 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3101 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3102 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3103 New resource constraints.
3104 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3106 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3107 * config/ia64/ia64.opt (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): New flags to tune speculative
3114 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3115 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3116 msched-in-control-spec, msched-ldc, msched-control-ldc,
3117 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3118 msched-prefer-non-control-spec-insns,
3119 msched-count-spec-in-critical-path): Document new flags.
3121 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3123 * target.h (struct spec_info_def): New opaque declaration.
3124 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3125 speculate_insn, needs_block_p, gen_check,
3126 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3127 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3128 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3129 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3130 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3131 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3133 (TARGET_SCHED): Use new macros.
3134 * rtl.h (copy_DEPS_LIST_list): New prototype.
3135 * sched-int.h (struct sched_info): Change signature of new_ready field,
3136 adjust all initializations. New fields: add_remove_insn,
3137 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3138 region_head_or_leaf_p.
3139 (struct spec_info_def): New structure declaration.
3140 (spec_info_t): New typedef.
3141 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3142 recovery_block, orig_pat.
3143 (glat_start, glat_end): New variables declaraions.
3144 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3146 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3147 DETACH_LIFE_INFO, USE_GLAT.
3148 (enum SPEC_SCHED_FLAGS): New enumeration.
3149 (NOTE_NOTE_BB_P): New macro.
3150 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3151 attach_life_info, debug_spec_status, check_reg_live): New functions.
3152 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3153 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3155 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3156 * ddg.c (get_block_head_tail): Adjust all uses.
3157 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3158 (sms_sched_info): Initialize new fields.
3159 (contributes_to_priority): Removed.
3160 * haifa-sched.c (params.h): New include.
3161 (get_block_head_tail): Adjust all uses.
3162 (ISSUE_POINTS): New macro.
3163 (glat_start, glat_end): New global variables.
3164 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3165 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3166 old_last_basic_block, before_recovery, current_sched_info_var,
3167 rgn_n_insns, luid): New static variables.
3168 (insn_cost1): New function. Move logic from insn_cost to here.
3169 (find_insn_reg_weight1): New function. Move logic from
3170 find_insn_reg_weight to here.
3171 (reemit_notes, move_insn, max_issue): Change signature.
3172 (move_insn1): Removed.
3173 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3174 extend_bb): New static functions to support extension of scheduler's
3176 (generate_recovery_code, process_insn_depend_be_in_spec,
3177 begin_speculative_block, add_to_speculative_block,
3178 init_before_recovery, create_recovery_block, create_check_block_twin,
3179 fix_recovery_deps): New static functions to support
3180 generation of recovery code.
3181 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3182 restore_bb_notes, move_block_after_check, move_succs): New static
3183 functions to support ebb scheduling.
3184 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3185 functions to support handling of register live information.
3186 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3187 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3188 add_jump_dependencies): New static functions.
3189 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3190 consistancy checking.
3191 (debug_spec_status): New function to call from debugger.
3192 (priority): Added code to handle speculation checks.
3193 (rank_for_schedule): Added code to distinguish speculative instructions.
3194 (schedule_insn): Added code to handle speculation checks.
3195 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3196 Fixed to handle ebbs.
3197 (move_insn): Added code to handle ebb scheduling.
3198 (max_issue): Added code to use ISSUE_POINTS of instructions.
3199 (choose_ready): Added code to choose between speculative and
3200 non-speculative instructions.
3201 (schedule_block): Added code to handle ebb scheduling and scheduling of
3202 speculative instructions.
3203 (sched_init): Initialize new variables.
3204 (sched_finish): Free new variables. Print statistics.
3205 (try_ready): Added code to handle speculative instructions.
3206 * lists.c (copy_DEPS_LIST_list): New function.
3207 * sched-deps.c (extend_dependency_caches): New function. Move logic
3208 from create_dependency_caches to here.
3209 (get_dep_weak, ds_merge): Make global.
3210 * genattr.c (main): Code to output prototype for
3211 dfa_clear_single_insn_cache.
3212 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3213 (output_dfa_clean_insn_cache_func): Code to output
3214 dfa_clear_single_insn_cache function.
3215 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3217 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3219 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3220 New static variables.
3221 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3222 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3224 (ebb_sched_info): Initialize new fields.
3225 (get_block_head_tail): Adjust all uses.
3226 (compute_jump_reg_dependencies): Fixed to use glat_start.
3227 (schedule_ebb): Code to remove unreachable last block.
3228 (schedule_ebbs): Added code to update register live information.
3229 * sched-rgn.c (region_sched_info): Initialize new fields.
3230 (get_block_head_tail): Adjust all uses.
3231 (last_was_jump): Removed. Adjust users.
3232 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3233 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3234 Implement new hooks.
3235 (check_dead_notes1): New static function.
3236 (struct region): New fields: dont_calc_deps, has_real_ebb.
3237 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3238 (BB_TO_BLOCK): Fixed to handle EBBs.
3239 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3240 (ebb_head): New static variable.
3241 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3242 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3244 (compute_dom_prob_ps): New assertion.
3245 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3246 global_live_at_start.
3247 (init_ready_list): New assertions.
3248 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3249 (new_ready): Add support for BEGIN_CONTROL speculation.
3250 (schedule_insns): Fixed code that updates register live information
3252 (schedule_region): Fixed to handle EBBs.
3253 (init_regions): Use extend_regions and check_dead_notes1.
3254 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3255 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3256 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3257 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3258 TARGET_SCHED_GEN_CHECK,
3259 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3260 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3261 * doc/invoke.texi (max-sched-insn-conflict-delay,
3262 sched-spec-prob-cutoff): Document.
3264 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3266 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3267 inter_tick, queue_index.
3268 (struct sched_info): Change signature of init_ready_list field.
3269 Adjust all initializations.
3270 (RESOLVED_DEPS): New access macro.
3271 (ready_add): Remove prototype.
3272 (try_ready): Add prototype.
3273 * sched-rgn.c (init_ready_list): Use try_ready.
3274 (schedule_region): Initialize
3275 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3276 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3277 (init_ready_list): Use try_ready.
3278 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3279 * lists.c (remove_list_elem): Remove `static'.
3280 (remove_free_INSN_LIST_elem): New function.
3281 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3282 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3283 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3285 (readyp): New variable.
3286 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3287 change_queue_index, resolve_dep): New static functions.
3288 (try_ready): New function. Adjust callers in sched-rgn.c and
3289 sched-ebb.c to use it instead of ready_add.
3290 (clock_var): Move at the begining of file.
3291 (rank_for_schedule): Fix typo.
3292 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3293 (ready_lastpos): Enforce assertion.
3294 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3296 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3297 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3298 (queue_to_ready): Use free_INSN_LIST_list.
3299 (early_queue_to_ready): Fix typo.
3300 (schedule_block): Init readyp. Move init_ready_list call after the
3301 initialization of clock_var. Fix error in rejecting insn by
3302 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3303 that previously corrected INSN_TICKs. Add code for handling
3305 (set_priorities): Fix typo.
3306 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3307 Clarify comment and code that keeps current_sched_info->next_tail
3310 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3312 * sched-rgn.c (extend_rgns): New static function.
3313 (find_rgns): Use it.
3314 (gather_region_statistics, print_region_statistics): New static
3316 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3317 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3319 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3320 Andrey Belevantsev <abel@ispras.ru>
3322 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3323 * lists.c (unused_deps_list): New variable.
3324 (free_list): Add assertions to verify the proper distinguishing
3325 between INSN_LISTs and DEPS_LISTs.
3326 (find_list_elem, remove_list_elem, remove_list_node): New static
3328 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3329 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3330 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3331 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3333 (free_INSN_LIST_node): Likewise.
3334 * modulo-sched.c (current_sched_info): Initialize flags field.
3335 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3336 * rtl.def (DEPS_LIST): Define.
3337 * rtl.h: Declare new functions from lists.c.
3338 * sched-deps.c (spec_dependency_cache): New static variable.
3339 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3340 (add_dependence): Change return type to void. Move the logic to ...
3341 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3342 (delete_all_dependences): Add comment about forward_dependency_cache.
3343 Handle spec_dependency_cache. Handle DEPS_LISTs.
3344 (fixup_sched_groups): Clarify the change of priority of output
3345 and anti dependencies.
3346 (sched_analyze_2): Adjust add_dependence calls to create data
3347 speculative dependence.
3348 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3349 Adjust all callers. Handle DEPS_LISTS.
3350 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3351 presence of speculation.
3352 (init_dependency_caches, free_dependency_caches):
3353 Handle spec_dependency_cache.
3354 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3355 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3356 New static functions.
3357 (add_or_update_back_dep, add_or_update_back_forw_dep,
3358 add_back_forw_dep, delete_back_forw_dep): New functions.
3359 * sched-int.h (ds_t, dw_t): New typedefs.
3360 (struct sched_info): Add new field flags.
3361 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3362 Prototype new sched-deps.c functions.
3363 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3364 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3365 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3366 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3367 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3368 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3370 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3372 * sched-rgn.c (current_sched_info): Initialize flags field.
3373 (schedule_insns): Initialize current_sched_info before the sched_init
3375 * sched-ebb.c (current_sched_info): Initialize flags field.
3376 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3377 Call add_or_update_back_dep instead of add_dependence.
3378 Create control speculative dependencies.
3379 (schedule_insns): Initialize current_sched_info before the sched_init
3382 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3384 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3386 (sh_fallback_frame_state): Likewise.
3388 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3390 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3391 Do switch on default_use_cxa_atexit.
3392 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3393 * config/darwin-crt3.o: New.
3394 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3395 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3396 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3398 * config/rs6000/t-darwin: Move crt2.o building to here.
3399 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3400 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3403 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3405 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3406 from '! xxx' to '!xxx' for coding-style conformance.
3407 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3408 (EXTRA_CONSTRAINT): Likewise.
3409 * config/vax/vax.md (four unnamed insns): Likewise.
3411 2006-03-15 Paul Brook <paul@codesourcery.com>
3413 * config/arm/arm.c (minipool_pad): New.
3414 (add_minipool_forward_ref): Include pool alignment padding in address
3416 (push_minipool_fix): Set minipool_pad.
3417 (minipool_pad): Ditto.
3419 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3421 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3422 instead of GET_CODE() == MEM and REG_P() instead of
3424 (print_operand_address): Likewise.
3425 (vax_address_cost): Likewise.
3426 (vax_rtx_costs): Likewise.
3427 (vax_notice_update_cc): Likewise.
3428 (vax_output_int_add): Likewise.
3429 (INDEX_REGISTER_P): Likewise.
3430 (BASE_REGISTER_P): Likewise.
3431 (nonindexed_address_p): Likewise.
3432 (vax_mode_dependent_address_p): Likewise.
3433 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3434 (PRINT_OPERAND): Likewise.
3435 * config/vax/vax.md (ashlsi3): Likewise.
3436 (ashlsi3): Likewise.
3437 (some more unnamed insns): Likewise.
3439 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3441 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3442 iterator-style macro.
3443 (mark_control_dependent_edges_necessary): Update the use of
3444 EXECUTE_IF_CONTROL_DEPENDENT.
3446 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3448 * config/sh/predicates.md (cache_address_operand): Special.
3449 (ua_address_operand): Likewise.
3451 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3453 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3455 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3457 2006-03-15 Andreas Schwab <schwab@suse.de>
3459 * gensupport.c (identify_predicable_attribute): Don't free p_false
3460 when it is still in use.
3462 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3464 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3465 the default setting here.
3467 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3469 * tree-pass.h (pass_cfg): Remove.
3470 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3471 * passes.c (pass_cfg): Don't run it.
3473 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3475 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3476 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3478 (stack_regs_mentioned): Update the uses of
3479 stack_regs_mentioned_data. Don't access the array beyond its
3481 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3482 Don't include gt-reg-stack.h.
3484 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3485 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3487 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3490 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3493 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3495 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3497 2006-03-14 Richard Guenther <rguenther@suse.de>
3499 PR tree-optimization/26672
3500 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3503 2006-03-14 Richard Guenther <rguenther@suse.de>
3505 PR tree-optimization/26667
3506 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3507 node for the callees. Always allow inlining if it will shrink
3510 2006-03-14 Richard Guenther <rguenther@suse.de>
3513 * builtins.c (get_pointer_alignment): Prefer alignment
3514 information from decls over that from types.
3516 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3519 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3521 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3523 * config/rs6000/rs6000.opt (mdlmzb): New option.
3524 (msched-prolog, msched-epilog): Use Var not Mask.
3525 * doc/invoke.texi (-mdlmzb): Document.
3526 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3528 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3529 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3531 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3533 PR rtl-optimization/25739
3534 * bt-load.c (augment_live_range): Free tos pointer.
3536 * gensupport.c (identify_predicable_attribute): Free
3538 * gcov.c (create_file_names): Free name pointer.
3540 2006-03-13 Roger Sayle <roger@eyesopen.com>
3543 * stmt.c (emit_case_nodes): Handle the case where the index is a
3544 CONST_INT, where the comparison mode is specified by the index type.
3546 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3548 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3551 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3553 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3554 (*branch_fp_inverted): Likewise.
3556 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3559 * omp-low.c (expand_omp_for_generic): Mark istart0
3560 and iend0 as addressable.
3562 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3564 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3566 2006-03-13 Jeff Law <law@redhat.com>
3568 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3569 virtual operands are interesting.
3570 (vrp_visit_stmt): Corresponding changes.
3572 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3574 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3576 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3577 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3578 * config/bfin/crti.S: Use it instead of __PIC__.
3579 * config/bfin/crtn.S: Likewise.
3581 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3582 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3584 Lose 'G' modifier for call operand.
3585 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3586 recognize 'G' modifier.
3588 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3591 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3592 * stmt.c (expand_case): Likewise.
3594 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3596 PR rtl-optimization/26254
3597 * loop-invariant.c (seq_insns_valid_p): New function.
3598 (move_invariant_reg): Only emit new code if it is valid.
3600 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3602 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3604 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3605 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3606 (commit_one_edge_insertion): Do not look for loop notes.
3608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3610 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3611 flag_test_coverage out of loop.
3613 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3615 * final.c (shorten_branches): Remove outdated comment, and turn
3616 the if branch that guards it to continue.
3618 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3620 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3621 * cfgloop.h (struct loop): Remove unused fields.
3623 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3625 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3626 (-dL, -fdump-rtl-loop2): Update the dump file names
3628 * doc/invoke.texi: Update dump file names.
3630 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3632 * predict.c (estimate_probability): Remove.
3633 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3634 * basic-block.h (estimate_probability): Remove prototype.
3635 * passes.c (finish_optimization_passes): Dump branch prediction or
3636 profiling heuristics to the .profile tree dump.
3637 (init_optimization_passes): Unqueue pass_branch_prob.
3639 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3641 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3643 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3644 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3646 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3648 * function.h (frame_offset_overflow): Declare.
3649 * function.c (frame_offset_overflow): New function.
3650 (assign_stack_local_1): Call it to detect that the offset overflows.
3651 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3653 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3655 * config/sh/sh.c: Include alloc-pool.h.
3656 (label_ref_list_pool): New alloc pool.
3657 (label_ref_list_t): New type for lists of labels.
3658 (struct pool_node): Make wend a label_ref_list_t.
3659 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3661 (dump_table): Likewise.
3662 (sh_reorg): Set up the alloc pool before using add_constant and
3663 dump_table, and destroy it when finishing.
3665 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3667 * config/mips/mips.c: Remove redundant comment.
3669 2006-03-10 Jason Merrill <jason@redhat.com>
3672 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3673 the target was declared 'register'.
3675 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3677 * genpreds.c (write_insn_constraint_len): Change definition of
3678 insn_constraint_len to return size_t to match the declaration.
3680 2006-03-10 DJ Delorie <dj@redhat.com>
3682 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3684 (m32c_expand_insv): Fix test for an AND mask.
3686 2006-03-10 Richard Guenther <rguenther@suse.de>
3689 * builtins.c (get_pointer_alignment): Handle component
3690 references for field alignment.
3692 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3694 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3695 when building with libgloss.
3696 (sh*elf): Implement --without-fp option.
3697 (sh64-superh-linux*): Don't multilib.
3699 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3701 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3703 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3705 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3706 Set it when one of the replacement functions returned true.
3707 Return TODO_cleanup_cfg if cfgchanged is true.
3708 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3710 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3712 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3713 instead of gen_lowpart.
3715 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3717 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3719 (mips_output_order_conditional_branch): Declare.
3720 * config/mips/mips.h (MIPS_BRANCH): New macro.
3721 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3722 for the comparison. Use gen_condjump.
3723 (mips_output_conditional_branch): Rework interface to take the
3724 asm templates for a direct branch and the inverse of a direct branch.
3725 (mips_output_order_conditional_branch): New function.
3726 (mips_builtin_branch_and_move): New function.
3727 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3728 branch condition. Use gen_single_cc as the condition for
3729 __builtin_mips_upper_* or __builtin_mips_lower_*.
3730 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3731 Use VOIDmode for the branch condition.
3732 * config/mips/predicates.md (order_operator): New predicate.
3733 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3734 (branch_fp): Rename to...
3735 (*branch_fp): ...this. Remove mode from comparison operator.
3736 Use new mips_output_conditional_branch interface.
3737 (branch_fp_inverted): Rename to...
3738 (*branch_fp_inverted): ...this and update as for *branch_fp.
3739 (*branch_zero<mode>): Rename to...
3740 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3741 Use mips_output_order_conditional_branch. Only accept ordered
3743 (*branch_zero<mode>_inverted): Rename to...
3744 (*branch_order<mode>_inverted): ...this and update as for
3745 *branch_order<mode>.
3746 (*branch_equality<mode>): Accept zero as the second operand to
3747 the equality operator. Use the new mips_output_conditional_branch
3749 (*branch_equality<mode>_inverted): Likewise.
3750 (condjump): New expander.
3751 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3753 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3754 (bc1any2t, bc1any2f): Likewise.
3755 (single_cc): New expander.
3756 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3758 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3760 * doc/md.texi: Update documentation of MIPS constraints.
3761 * config/mips/constraints.md: New file.
3762 * config/mips/mips.md: Include it.
3763 * config/mips/mips.c (mips_char_to_class): Delete.
3764 (override_options): Don't initialize mips_char_to_class.
3765 * config/mips/mips.h (mips_char_to_class): Delete.
3766 (REG_CLASS_FROM_LETTER): Delete.
3767 (CONST_OK_FOR_LETTER_P): Delete.
3768 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3769 (EXTRA_CONSTRAINT_Y): Delete.
3770 (EXTRA_CONSTRAINT_STR): Delete.
3771 (CONSTRAINT_LEN): Delete.
3772 (EXTRA_MEMORY_CONSTRAINT): Delete.
3774 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3776 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3777 original fn's eh regions.
3779 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3781 * fold-const.c (build_range_check): Make sure to use a valid type to
3782 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3785 (range_predecessor): New static function.
3786 (range_successor): Likewise.
3787 (merge_ranges): Use them to compute predecessors and successors of
3790 2006-03-09 Roger Sayle <roger@eyesopen.com>
3793 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3794 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3796 2006-03-08 DJ Delorie <dj@redhat.com>
3798 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3799 (addpsi3): Expand to include memory operands. Remove
3800 reload-specific splits.
3801 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3802 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3803 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3804 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3805 (shift1_qi, shift1_hi, insv): New.
3806 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3807 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3808 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3810 * config/m32c/m32c-protos.h: Update as needed.
3811 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3812 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3813 Fail for unrecognized R* constraints.
3814 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3815 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3816 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3818 (m32c_init_libfuncs): New.
3819 (m32c_legitimate_address_p): Add debug wrapper.
3820 (m32c_rtx_costs): New.
3821 (m32c_address_cost): New.
3822 (conversions): Add 'B' prefix.
3823 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3824 operands, or word regnames for QI operands. 'B' prints bit
3826 (m32c_expand_setmemhi): New.
3827 (m32c_expand_movmemhi): New.
3828 (m32c_expand_movstr): New.
3829 (m32c_expand_cmpstr): New.
3830 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3831 (m32c_expand_neg_mulpsi3): Handle non-ints.
3832 (m32c_cmp_flg_0): New.
3833 (m32c_expand_movcc): New.
3834 (m32c_expand_insv): New.
3835 (m32c_scc_pattern): New.
3836 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3837 a0/a1 out of SIregs.
3838 (STORE_FLAG_VALUE): New.
3839 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3842 * config/m32c/mov.md: Make constraints more liberal.
3843 (zero_extendqihi2): Optimize r0/r1 case.
3844 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3845 * config/m32c/predicates.md (m32c_any_operand): New.
3846 (m32c_nonimmediate_operand): New.
3847 (m32c_hl_operand): New.
3848 (m32c_r3_operand): New.
3851 (memsym_operand): New.
3852 (memimmed_operand): New.
3853 (a_qi_operand): New.
3854 (m32c_eqne_operator): New.
3855 (m32c_1bit8_operand): New.
3856 (m32c_1bit16_operand): New.
3857 (m32c_1mask8_operand): New.
3858 (m32c_1mask16_operand): New.
3859 * config/m32c/blkmov.md: New file.
3860 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3862 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3864 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3865 unsigned to fix signed/unsigned comparison issue in
3866 DWARF2_FRAME_REG_OUT.
3867 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3868 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3870 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3871 of ptr into the ENABLE_CHECKING section.
3873 2006-03-08 Jeff Law <law@redhat.com>
3875 * tree-vrp.c (infer_value_range): Only count pointer uses
3876 and dereferences if -fdelete-null-pointer-checks is enabled.
3878 * tree-vrp.c (find_assert_locations): Infer value ranges for
3879 single use pointers, but do not create ASSERT_EXPRs for them.
3880 When a non-null range is inferred for a pointer, backwards
3881 propagate that range to other equivalent pointers through the
3884 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3887 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3888 language hook targets.
3889 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3890 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3891 if language hook targets were missing.
3893 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3895 * tree-ssa-opfinalize.h: Removed.
3896 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3898 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3899 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3900 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3901 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3902 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3903 finalize_ssa_v_must_def_ops): New.
3905 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3907 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3910 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3912 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3914 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3915 addresses with offsets; reorganize.
3917 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3918 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3919 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3921 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3924 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3926 2006-03-08 Ben Elliston <bje@au.ibm.com>
3928 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3930 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3933 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3936 2006-03-07 Richard Guenther <rguenther@suse.de>
3938 PR tree-optimization/26587
3939 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3941 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3943 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3945 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3947 * hooks.c (hook_bool_mode_rtx_true): New function.
3948 * hooks.h (hook_bool_mode_rtx_true): Declare.
3949 * toplev.c (compile_file): Call output_shared_constant_pool.
3950 * varasm.c (shared_constant_pool): New variable.
3951 (assemble_start_function, assemble_end_function): Remove arguments
3952 from call to output_constant_pool.
3953 (create_constant_pool): New function, split out from...
3954 (init_varasm_status): ...here.
3955 (force_const_mem): Choose between the shared and per-function constant
3956 pools. Set current_function_uses_const_pool when reusing old entries
3957 as well as when creating new ones.
3958 (mark_constant): Ignore data argument.
3959 (mark_constants): Remove pool argument.
3960 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3961 to decide whether the function uses a constant pool.
3962 (output_constant_pool_contents): New function, split out from...
3963 (output_constant_pool): ...here.
3964 (output_shared_constant_pool): New function.
3965 (init_varasm_once): Initialize shared_constant_pool.
3966 * output.h (output_constant_pool): Delete.
3967 (output_shared_constant_pool): Declare.
3968 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3969 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3971 2006-03-06 Nick Clifton <nickc@redhat.com>
3973 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3974 flag_strength_reduce.
3976 2006-03-06 Ben Elliston <bje@au.ibm.com>
3978 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3979 x86_64-*-linux* configurations.
3981 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3982 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3984 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3986 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3988 * basic-block.h: Remove the extern for
3989 rediscover_loops_after_threading.
3991 * cfgloop.c (cancel_loop): Make it static.
3992 * cfgloop.h: Remove the prototype for cancel_loop.
3994 * flow.c (recompute_reg_usage): Make it static.
3995 * rtl.h: Remove the prototype for recompute_reg_usage.
3997 * function.c (use_return_register): Make it static.
3998 * function.h: Remove the prototype.
4000 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4002 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4004 * recog.h: Remove the prototype for
4005 validate_change_maybe_volatile.
4007 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4009 * rtlanal.c (replace_reg): Remove.
4010 * rtl.h: Remove the prototype for replace_reg.
4012 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4014 * regclass.c (reg_scan_update): Remove.
4015 (reg_scan_mark_refs): Remove the last argument.
4016 * rtl.h: Remove the prototype for reg_scan_update.
4018 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4020 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4021 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4022 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4023 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4024 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4025 loop-invariant.c, omp-low.c, opts.c, passes.c,
4026 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4027 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4028 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4029 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4030 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4031 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4033 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4035 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4036 * dwarf2out.h: Remove the prototype for
4037 dwarf2out_add_library_unit_info.
4039 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4041 * tree.c (add_var_to_bind_expr): Remove.
4042 * tree.h: Remove the prototype for add_var_to_bind_expr.
4044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4046 * regclass.c (n_non_fixed_regs): Remove.
4047 (init_reg_sets_1, globalize_reg): Remove all uses of
4049 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4053 * rtlanal.c (insns_safe_to_move_p): Remove.
4054 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4056 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4058 * expmed.c (expand_mult_add): Remove.
4059 * expr.h: Remove the prototype for expand_mult_add.
4061 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4063 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4064 and REG_SAVED_VAL_EXP constants.
4065 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4066 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4067 Handle regs stored by value.
4068 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4069 (execute_cfa_program): Handle DW_CFA_val_offset,
4070 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4071 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4072 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4073 (uw_install_context_1): Handle target regs stored by value.
4075 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4077 * tree-sra.c (tree_sra): Return todoflags;
4078 (generate_one_element): Set TODO_update_smt_usage if needed.
4079 (pass_sra): Remove TODO_update_smt_usage.
4080 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4082 (tree_ssa_forward_propagate_single_use_vars): Return
4083 TODO_update_smt_usage if we need to update SMT usage.
4084 (pass_forwprop): Remove TODO_update_smt_usage.
4086 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4088 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4089 (correct_use_link): Remove reference to get_stmt_operands.
4090 (update_stmt_operands): Likewise.
4091 (get_modify_expr_operands): New function factored out of
4092 parse_ssa_operands and get_expr_operands.
4093 Try to create V_MUST_DEFs for LHS by default.
4094 (get_expr_operands) <case MODIFY_EXPR>: Call
4095 get_modify_expr_operands.
4096 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4097 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4098 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4099 get_modify_expr_operands.
4101 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4103 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4104 * tree-flow.h: Remove the prototype for
4105 referenced_var_lookup_if_exists.
4107 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4109 PR rtl-optimization/26345
4111 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4113 2006-03-03 Roger Sayle <roger@eyesopen.com>
4115 PR tree-optimization/26524
4116 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4117 fold_convert to create a constant of the appropriate type.
4119 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4121 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4122 SYMBOL_REF_IN_BLOCK_P.
4123 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4124 of SYMBOL_FLAG_IN_BLOCK.
4125 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4126 instead of SYMBOL_REF_IN_BLOCK_P.
4127 * explow.c (use_anchored_address): Likewise.
4128 * rtl.c (rtx_size): Likewise.
4129 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4130 instead of SYMBOL_FLAG_IN_BLOCK.
4131 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4132 SYMBOL_REF_IN_BLOCK_P.
4133 (assemble_variable): Likewise.
4134 (output_constant_def_contents): Likewise.
4135 (output_constant_pool): Likewise.
4136 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4137 instead of SYMBOL_FLAG_IN_BLOCK.
4138 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4139 SYMBOL_REF_IN_BLOCK_P.
4140 (SYMBOL_REF_BLOCK): Likewise.
4141 (SYMBOL_REF_OFFSET): Likewise.
4142 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4143 SYMBOL_REF_IN_BLOCK_P.
4144 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4145 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4146 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4147 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4149 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4151 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4153 2006-03-02 Roger Sayle <roger@eyesopen.com>
4155 * simplify-rtx.c (simplify_unary_operation): When simplifying
4156 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4157 that we perform the right shift in the appropriate mode, and
4158 then extend or truncate the result to requested mode.
4160 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4162 * gengtype.c (main): Handle double_int type.
4163 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4164 * double-int.c: New file.
4165 * double-int.h: New file.
4166 * system.h: Include doubleint.h.
4167 * Makefile.in (SYSTEM_H): Include double-int.h.
4168 (double-int.o): Add.
4170 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4173 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4176 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4178 * tree-vrp.c (remove_range_assertions): Do not update statements
4181 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4183 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4185 * gcse.c (rest_of_handle_gcse): Ditto.
4186 * except.c (gate_handle_eh): Ditto.
4187 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4188 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4190 2006-03-02 Eric Christopher <echristo@apple.com>
4192 * config/i386/i386.c (machopic_output_stub): Add indirection to
4195 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4199 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4201 Sun Niagara specific optimizations.
4202 * config.gcc: Recognize niagara as target.
4203 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4204 (TARGET_CPU_niagara): Define.
4205 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4206 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4207 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4208 (ASM_CPU_SPEC): Likewise.
4209 (PROCESSOR_NIAGARA): New enum entry.
4210 (REGISTER_MOVE_COST): Handle Niagara.
4211 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4212 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4213 (sparc_override_options): Recognize "niagara", set appropriate
4214 default MASK_* values for it, and align functions to 32-bytes
4215 by default just like ULTRASPARC/ULTRASPARC3.
4216 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4217 (sparc64_initialize_trampoline): Likewise.
4218 (sparc_use_sched_lookahead): Use zero for niagara.
4219 (sparc_issue_rate): Use one for niagara.
4220 * config/sparc/niagara.md: New file.
4221 * config/sparc/sparc.md: Include it.
4222 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4223 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4224 when default cpu is niagara.
4225 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4226 (ASM_CPU_SPEC): Likewise.
4227 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4228 when default cpu is niagara.
4229 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4230 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4231 just like v9/ultrasparc/ultrasparc3.
4232 * doc/invoke.texi: Add documentation for "niagara" and improve
4233 existing documentation for ultrasparc variants.
4235 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4237 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4239 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4241 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4242 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4243 and say that only one is needed.
4244 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4245 * target.h (have_switchable_bss_sections): New hook.
4246 * explow.c (use_anchored_address): Check that the symbol is in a block.
4247 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4248 (bss_noswitch_section): New variables.
4249 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4250 (get_noswitch_section): New function.
4251 (get_block_for_section): Allow SECT to be null.
4252 (unlikely_text_section_p): Use SECTION_STYLE.
4253 (bss_initializer_p): New function.
4254 (get_variable_section): Move earlier in file. Take a new argument,
4255 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4256 Return one of the new *_sections in such cases.
4257 (get_block_for_decl): New function, extracting some logic from
4258 use_blocks_for_decl_p.
4259 (change_symbol_section): Remove in favor of...
4260 (change_symbol_block): ...this new function.
4261 (use_blocks_for_decl_p): Remove checks now performed by
4263 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4264 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4265 (emit_local, emit_bss, emit_common): ...these new functions.
4266 Return true if the alignment was honored.
4267 (emit_tls_common): New function.
4268 (asm_emit_uninitialised): Delete.
4269 (assemble_variable_noswitch): New function, split out from...
4270 (assemble_variable): ...here. Don't make decisions about common
4271 variables here. Globalize all public decls that go into non-common
4272 sections. Check whether SYMBOL_REF_BLOCK is null.
4273 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4274 (output_constant_pool): Likewise.
4275 (init_varasm_once): Initialize the new section variables.
4276 (have_global_bss_p): New function.
4277 (categorize_decl_for_section): Use bss_initializer_p.
4278 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4279 (place_block_symbol): Assert that the symbol must be in a block.
4280 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4281 (TARGET_INITIALIZER): Include it.
4282 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4283 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4284 (SECTION_MACH_DEP): Bump by two.
4285 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4286 (unnamed_section): Mention SECTION_UNNAMED in comment.
4287 (named_section): Likewise SECTION_NAMED.
4288 (noswitch_section_callback): New type.
4289 (noswitch_section): New structure.
4290 (section): Add a noswitch_section alternative.
4291 (SECTION_STYLE): New macro.
4292 (tls_comm_section, comm_section, lcomm_section): Declare.
4293 (bss_noswitch_section, have_global_bss_p): Declare.
4294 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4295 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4297 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4298 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4301 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4303 * gcc/tree-vrp.c (execute_vrp): Return value.
4304 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4305 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4306 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4307 (tree_lower_complex_O0): Ditto.
4308 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4309 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4310 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4311 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4312 (execute_tail_calls): Ditto.
4313 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4314 * gcc/tree.h (init_function_for_compilation): Ditto.
4315 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4316 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4317 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4318 * gcc/final.c (compute_alignments): Ditto.
4319 (rest_of_handle_final): Ditto.
4320 (rest_of_handle_shorten_branches): Ditto.
4321 (rest_of_clean_state): Ditto.
4322 * gcc/omp-low.c (execute_expand_omp): Ditto.
4323 (execute_lower_omp): Ditto.
4324 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4325 * gcc/ipa-reference.c (static_execute): Ditto.
4326 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4327 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4328 (rest_of_handle_machine_reorg): Ditto.
4329 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4330 * gcc/flow.c (recompute_reg_usage): Ditto.
4331 (rest_of_handle_remove_death_notes): Ditto.
4332 (rest_of_handle_life): Ditto.
4333 (rest_of_handle_flow2): Ditto.
4334 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4335 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4336 (do_ssa_store_ccp): Ditto.
4337 (execute_fold_all_builtins): Ditto.
4338 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4339 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4340 * gcc/ipa-pure-const.c (static_execute): Ditto.
4341 * gcc/cse.c (rest_of_handle_cse): Ditto.
4342 (rest_of_handle_cse2): Ditto.
4343 * gcc/web.c (rest_of_handle_web): Ditto.
4344 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4345 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4346 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4347 * gcc/tree-nrv.c (tree_nrv): Ditto.
4348 (execute_return_slot_opt): Ditto.
4349 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4350 (create_structure_vars): Ditto.
4351 * gcc/loop-init.c (rtl_loop_init): Ditto.
4352 (rtl_loop_done): Ditto.
4353 (rtl_move_loop_invariants): Ditto.
4354 (rtl_unswitch): Ditto.
4355 (rtl_unroll_and_peel_loops): Ditto.
4356 (rtl_doloop): Ditto.
4357 * gcc/gimple-low.c (lower_function_body): Ditto.
4358 (mark_used_blocks): Ditto.
4359 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4360 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4361 (cgraph_early_inlining): Ditto.
4362 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4363 * gcc/jump.c (cleanup_barriers): Ditto.
4364 (purge_line_number_notes): Ditto.
4365 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4366 (rest_of_handle_if_after_reload): Ditto.
4367 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4368 (tree_ssa_loop_im): Ditto.
4369 (tree_ssa_loop_unswitch): Ditto.
4370 (tree_vectorize): Ditto.
4371 (tree_linear_transform): Ditto.
4372 (tree_ssa_loop_ivcanon): Ditto.
4373 (tree_ssa_empty_loop): Ditto.
4374 (tree_ssa_loop_bounds): Ditto.
4375 (tree_complete_unroll): Ditto.
4376 (tree_ssa_loop_prefetch): Ditto.
4377 (tree_ssa_loop_ivopts): Ditto.
4378 (tree_ssa_loop_done): Ditto.
4379 * gcc/predict.c (tree_estimate_probability): Ditto.
4380 * gcc/recog.c (split_all_insns_noflow): Ditto.
4381 (rest_of_handle_peephole2): Ditto.
4382 (rest_of_handle_split_all_insns): Ditto.
4383 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4384 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4385 (rest_of_handle_stack_adjustments): Ditto.
4386 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4387 * gcc/function.c (instantiate_virtual_regs): Ditto.
4388 (init_function_for_compilation): Ditto.
4389 (rest_of_handle_check_leaf_regs): Ditto.
4390 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4391 (rest_of_handle_gcse): Ditto.
4392 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4393 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4394 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4395 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4396 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4397 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4398 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4399 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4400 * gcc/except.c (set_nothrow_function_flags): Ditto.
4401 (convert_to_eh_region_ranges): Ditto.
4402 (rest_of_handle_eh): Ditto.
4403 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4404 (remove_unnecessary_notes): Ditto.
4405 * gcc/except.h (set_nothrow_function_flags): Ditto.
4406 (convert_to_eh_region_ranges): Ditto.
4407 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4408 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4409 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4410 (execute_fre): Ditto.
4411 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4412 (rest_of_handle_jump2): Ditto.
4413 * gcc/tree-sra.c (tree_sra): Ditto.
4414 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4415 (execute_mudflap_function_decls): Ditto.
4416 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4417 (do_store_copy_prop): Ditto.
4418 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4419 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4420 * gcc/tree-ssa-forwprop.c
4421 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4422 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4423 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4424 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4425 (execute_late_warn_uninitialized): Ditto.
4426 * gcc/rtl.h (cleanup_barriers): Ditto.
4427 (split_all_insns_noflow): Ditto.
4428 (purge_line_number_notes): Ditto.
4429 (unshare_all_rtl): Ditto.
4430 (remove_unnecessary_notes): Ditto.
4431 (recompute_reg_usage): Ditto.
4432 (variable_tracking_main): Ditto.
4433 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4434 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4435 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4436 (execute_free_cfg_annotations): Ditto.
4437 (execute_fixup_cfg): Ditto.
4438 (execute_cleanup_cfg_pre_ipa): Ditto.
4439 (execute_cleanup_cfg_post_optimizing): Ditto.
4440 (execute_init_datastructures): Ditto.
4441 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4442 * gcc/combine.c (rest_of_handle_combine): Ditto.
4443 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4444 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4445 (rest_of_handle_reorder_blocks): Ditto.
4446 (rest_of_handle_partition_blocks): Ditto.
4447 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4448 * gcc/tree-profile.c (tree_profiling): Ditto.
4449 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4450 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4451 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4452 (rest_of_handle_sched2): Ditto.
4453 * gcc/basic-block.h (free_bb_insn): Ditto.
4454 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4455 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4456 (remove_useless_stmts): Ditto.
4457 (split_critical_edges): Ditto.
4458 (execute_warn_function_return): Ditto.
4459 (execute_warn_function_noreturn): Ditto.
4460 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4461 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4462 * gcc/passes.c (execute_one_pass): Run additional
4463 todos returned by execute function.
4464 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4467 2006-03-02 Richard Guenther <rguenther@suse.de>
4469 * tree-ssa-alias.c (find_used_portions): Consider taking
4470 the address as making the variable not write-only.
4472 2006-03-02 Nick Clifton <nickc@redhat.com>
4474 * config.gcc (default_use_cxa_atexit): Extend the description of
4475 this configure variable. Set its default value to "yes" for
4476 Linux, NetBSD and ELF targets on the assumption that they will
4477 use C libraries with the __cxa_atexit function.
4479 2006-03-02 Ben Elliston <bje@au.ibm.com>
4481 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4482 parameter as unused to suppress a build warning.
4484 2006-03-02 Ben Elliston <bje@au.ibm.com>
4486 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4489 2006-03-01 Roger Sayle <roger@eyesopen.com>
4492 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4493 declared name, the weak reference name, and the typeof name.
4494 (__gthrw): Avoid expanding the declared name suffix.
4495 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4497 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4499 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4501 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4502 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4503 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4504 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4505 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4506 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4507 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4508 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4509 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4510 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4511 (DW_END_default, DW_END_big, DW_END_little): New.
4512 (DW_END_lo_user, DW_END_hi_user): Define.
4513 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4514 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4515 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4518 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4520 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4522 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4524 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4526 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4528 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4529 to 'symbol_mem_tag'.
4531 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4534 2006-03-01 Roger Sayle <roger@eyesopen.com>
4536 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4538 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4541 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4542 MACHO_DYNAMIC_NO_PIC_P.
4543 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4545 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4548 * config/darwin-protos.h (darwin_asm_output_anchor):
4550 * config/darwin-sections.def (cstring_section):
4551 Add SECTION_MERGE to the flags.
4552 (literal4_section): Likewise.
4553 (literal8_section): Likewise.
4554 (objc_selector_refs_section): Likewise.
4555 (objc_cls_refs_section): Likewise.
4556 * config/darwin.c (darwin_asm_output_anchor): New
4558 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4560 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4562 Fix PR tree-optimization/26443
4563 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4564 to todo and PROP_tmt_usage to properties_destroyed.
4565 * tree-ssa-ccp.c (pass_ccp): Ditto.
4566 (pass_store_ccp): Ditto.
4567 * tree-ssa-dom.c (pass_dominator): Ditto.
4569 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4571 * tree-ssa-operands.c: Cleanup whitespace.
4572 (get_asm_expr_operands): Move before first invocation.
4573 (get_indirect_ref_operands): Likewise.
4574 (get_tmr_operands): Likewise.
4575 (get_call_expr_operands): Likewise.
4576 (append_def): Likewise.
4577 (append_use): Likewise.
4578 (append_v_may_def): Likewise.
4579 (append_v_must_def): Likewise.
4580 (add_call_clobber_ops): Likewise.
4581 (add_call_read_ops): Likewise.
4582 (add_stmt_operand): Likewise.
4583 (add_virtual_operand): Likewise.
4584 (build_ssa_operands): Likewise.
4586 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4591 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4592 with a call expr to ...
4593 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4595 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4597 * tree-vrp.c (extract_range_from_assert): Remove special
4598 handling for types with super-types.
4600 2006-03-01 Ben Elliston <bje@au.ibm.com>
4602 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4603 and powerpc64-*-linux* configurations.
4604 * config/t-dfprules: New file.
4606 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4607 Compile dfp-bit.c from the source directory using -DWIDTH and
4608 $DFP_CFLAGS to control the compilation of that file, rather than
4609 generating width-specific versions in the build directory.
4610 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4611 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4613 2006-02-28 Zack Weinberg <zackw@panix.com>
4615 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4618 2006-02-28 Eric Christopher <echristo@apple.com>
4620 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4621 Set up IN_LIBGCC definition of TARGET_64BIT.
4622 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4624 2006-02-28 Roger Sayle <roger@eyesopen.com>
4627 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4628 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4629 cases via the construction of "expr != 0".
4631 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4633 * alias.c (alias_invariant, alias_invariant_size): Remove.
4634 (record_base_value): Remove.
4635 (memrefs_conflict_p): Don't look at alias_invariant.
4636 (end_alias_analysis): Don't free it.
4637 * alias.h (record_base_value): Remove prototype.
4639 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4640 Adam Nemet <anemet@caviumnetworks.com>
4642 * rtl.h (truncated_to_mode): Declare it.
4643 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4644 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4645 (RTL_HOOKS_INITIALIZER): Include it.
4646 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4647 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4648 reg_truncated_to_mode.
4649 * rtlanal.c (truncated_to_mode): Define it.
4650 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4652 2006-02-28 Jeff Law <law@redhat.com>
4654 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4655 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4656 the range allowed by TYPE_PRECISION.
4658 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4660 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4662 PR tree-optimization/26419
4663 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4666 2006-02-27 Zack Weinberg <zackw@panix.com>
4668 * doc/md.texi: Fix typo in previous change.
4670 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4674 2006-02-27 Zack Weinberg <zackw@panix.com>
4676 * rtl.def (define_constraint, define_register_constraint)
4677 (define_memory_constraint, define_address_constraint): New MD forms.
4678 * gensupport.c (process_rtx): Put define_constraint etc on the
4680 * genpreds.c (process_define_predicate): Adjust comment. Validate
4681 the name, and call validate_exp to validate the expression.
4682 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4683 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4684 all callers changed.
4685 (validate_exp, needs_variable, struct constraint_data)
4686 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4687 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4688 (const_dbl_constraints, constraint_max_namelen)
4689 (have_register_constraints, have_memory_constraints)
4690 (have_address_constraints, have_address_constraints)
4691 (have_extra_constraints, have_const_int_constraints)
4692 (have_const_dbl_constraints, mangle, add_constraint)
4693 (process_define_constraint, process_define_register_constraint)
4694 (write_enum_constraint_num, write_lookup_constraint)
4695 (write_insn_constraint_len, write_regclass_for_constraint)
4696 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4697 (write_insn_extra_memory_constraint)
4698 (write_insn_extra_address_constraint)
4699 (write_satisfies_constraint_fns): New.
4700 (write_tm_preds_h): If we have new-style constraint definitions,
4701 prototype the functions generated from them, and define the
4702 old constraint interface (still used by generic code) in terms of
4704 (write_insn_preds_c): If we have new-style constraint definitions,
4705 generate all relevant functions from those definitions.
4706 (main): Handle define_constraint etc.
4707 * genoutput.c (struct constraint_data, indep_constraints)
4708 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4709 (mdep_constraint_len): New data structures and functions, defined
4710 #ifdef USE_MD_CONSTRAINTS.
4711 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4712 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4713 use new logic to validate operand constraints against constraint
4715 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4717 * defaults.h: If none of the old-style constraint macros are
4718 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4719 old-style macros; and poison REG_CLASS_FROM_LETTER,
4720 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4722 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4723 * doc/md.texi: Document new constraint-definition mechanism and the
4724 C interface it provides. Remove references to old mechanism
4725 elsewhere in the document.
4726 (Machine Constraints): Use pathnames relative to gcc directory,
4727 i.e. config/ARCH/FILE. Change i386 section to refer to
4728 config/i386/predicates.md; update that section to match docstrings.
4729 * doc/tm.texi: Move all documentation of the old constraint-
4730 definition macros to their own section, clearly mark as obsolete.
4732 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4733 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4735 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4736 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4737 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4739 (splits and peepholes): Use satisfies_constraint_*.
4740 * config/i386/i386.c (memory_address_length)
4741 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4743 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4745 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4746 scalar operation to be put back into the loop.
4748 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4751 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4752 (extract_cie_info): Handle S flag in augmentation string.
4753 (execute_cfa_program): If context->signal_frame, execute also
4754 fs->pc == context->ra instructions.
4755 (uw_frame_state_for): If context->signal_frame, don't subtract one
4756 from context->ra to find FDE.
4757 (uw_update_context_1): Set context->signal_frame to
4759 (_Unwind_GetIPInfo): New function.
4760 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4761 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4763 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4764 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4765 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4766 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4767 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4768 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4769 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4770 x86_64_fallback_frame_state): Set fs->signal_frame.
4771 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4772 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4773 (frob_update_context): Likewise. Workaround missing S flag in
4774 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4775 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4776 Remove the psw_addr + 1 hack.
4778 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4780 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4781 with aggregates here.
4782 (find_func_aliases): Remove code for &<aggregate> from here.
4784 2006-02-26 Roger Sayle <roger@eyesopen.com>
4786 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4787 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4788 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4791 2006-02-26 Roger Sayle <roger@eyesopen.com>
4794 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4796 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4798 * opts.c (decode_options): Do not handle flag_strength_reduce.
4799 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4800 and OPT_fstrength_reduce.
4801 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4802 flag_prefetch_loop_arrays for being nonzero.
4803 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4805 (fprefetch-loop-arrays-rtl): Removed.
4806 (flag_prefetch_loop_arrays): Do not specify the value.
4808 * doc/passes.texi: Update documentation of loop optimizer
4810 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4811 -frerun-loop-opt): Remove.
4813 2006-02-26 Richard Guenther <rguenther@suse.de>
4815 PR tree-optimization/26421
4816 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4817 in function calls that are ADDR_EXPRs as using the whole structure.
4819 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4821 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4822 * tree-pass.h (pass_loop_optimize): Remove.
4823 * passes.c (pass_loop_optimize): Never run it.
4824 * toplev.c (backend_init): Don't call init_loop.
4825 * opts.c (flag_loop_optimize_set): Remove.
4826 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4827 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4828 the old RTL loop optimizer when profiling enabled.
4829 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4830 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4831 pre-headers for the sake of the old RTL loop optimizer.
4832 * Makefile.in: Remove all references to loop.o.
4834 * doc/invoke.texi: Remove all references to -floop-optimize
4835 and -frerun-loop-opt.
4837 2006-02-26 Zack Weinberg <zackw@panix.com>
4839 * doc/md.texi (Machine Constraints): Refer to all files with paths
4840 relative to gcc directory (i.e. config/CPU/file). Add missing
4841 @table @code ... @end table to M32C subsection.
4843 2006-02-26 Roger Sayle <roger@eyesopen.com>
4845 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4847 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4849 2006-02-26 Roger Sayle <roger@eyesopen.com>
4850 James A. Morrison <phython@gcc.gnu.org>
4853 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4854 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4855 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4856 signedness of the shift operation.
4858 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4860 PR tree-optimization/26359
4861 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4863 2006-02-25 Roger Sayle <roger@eyesopen.com>
4865 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4866 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4867 as X == 0, and some symmetry related transformations.
4868 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4870 2006-02-25 Roger Sayle <roger@eyesopen.com>
4873 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4874 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4875 symmetry related transformations. Fold (X^C1) == C2 as
4878 2006-02-25 Juergen Weigert <jw@suse.de>
4879 Richard Guenther <rguenther@suse.de>
4881 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4883 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4885 * combine.c (gen_lowpart_or_truncate): Call
4886 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4888 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4890 * doc/invoke.texi: Move -fopenmp description to "Options for
4892 Remove reference to -lgomp.
4894 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4896 * doc/install.texi: Require GNU tar version 1.14.
4898 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4900 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4901 * doc/invoke.texi (C++ Dialect Options): Document
4902 -fno-use-cxa-get-exception-ptr.
4903 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4904 * configure: Regenerate.
4905 * c.opt (fuse-cxa-get-exception-ptr): New.
4906 * c-opts.c (c_common_handle_option): Handle
4907 OPT_fuse_cxa_get_exception_ptr.
4908 * c-common.c (flag_use_cxa_atexit): Update documentation.
4909 (flag_use_cxa_get_exception_ptr): New.
4910 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4911 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4913 (C_COMMON_OVERRIDE_OPTIONS): New.
4915 2006-02-24 Roger Sayle <roger@eyesopen.com>
4918 * combine.c (try_combine): Explicitly check whether GET_CODE is
4919 a SET or a CLOBBER, instead on checking that it isn't a USE.
4921 2006-02-24 Roger Sayle <roger@eyesopen.com>
4923 * fold-const.c (fold_comparison): New subroutine of fold_binary
4924 containing transformations common to both the equality and
4925 ordering relational operators, factored out of fold_binary.
4926 (fold_binary): Separate out the equality operators (EQ_EXPR
4927 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4928 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4929 transformations common to both.
4930 (fold_div_compare): Fix latent bugs in the previously unreachable
4931 LT_EXPR and GE_EXPR cases.
4933 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4935 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4936 decl libname for clog to __clog on AIX.
4938 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4940 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4943 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4944 output traceback table for thunks. Localise rs6000_stack_info call.
4946 2006-02-23 Roger Sayle <roger@eyesopen.com>
4947 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4949 * gthr-posix.h (__gthrw): Fix typo in comment.
4951 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4953 * doc/cpp.texi (Character sets): Document that we do support
4954 input files to be in any character set.
4956 2006-02-23 Jeff Law <law@redhat.com>
4958 * tree.h (PHI_ARG_NONZERO): Remove.
4959 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4960 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4961 node to the new node.
4963 PR tree-optimization/26425
4964 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4965 min/max, then assume its varying.
4967 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4969 PR rtl-optimization/26316
4970 * rtlanal.c (enum may_trap_p_flags): New.
4971 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4972 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4973 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4974 (may_trap_after_code_motion_p): New function.
4975 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4976 (find_invariant_insn): Use may_trap_after_code_motion_p.
4977 * rtl.h (may_trap_after_code_motion_p): Declare.
4979 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4981 * emit-rtl.c (immed_double_const): Cleanup.
4983 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4985 Fix PR tree-optimization/26376
4986 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4989 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4992 * gimplify.c (omp_add_variable): Guard variable size decl test with
4993 DECL_SIZE (decl) check.
4995 2006-02-23 Richard Guenther <rguenther@suse.de>
4998 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4999 like aggregate types.
5001 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5003 * configure.ac: Add --with{,out}-long-double-128 configure option.
5004 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5005 * configure: Rebuilt.
5006 * config.in: Rebuilt.
5007 * doc/install.texi (Options specification): Document
5008 --with-long-double-128.
5010 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5011 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5012 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5013 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5015 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5017 * config/s390/s390.c (override_options): Handle
5018 TARGET_DEFAULT_LONG_DOUBLE_128.
5020 * config/alpha/alpha.c (override_options): Handle
5021 TARGET_DEFAULT_LONG_DOUBLE_128.
5023 * config/sparc/sparc.c (sparc_override_options): Handle
5024 TARGET_DEFAULT_LONG_DOUBLE_128.
5026 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5028 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5029 (real-install-headers-tar, real-install-headers-cpio)
5030 (real-install-headers-cp): New targets.
5032 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5034 * tree.h (variable_section): Delete.
5035 * varasm.c (variable_section): Delete.
5037 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5039 * install.texi: Add notes on install.texi2html.
5040 (Building in parallel): Do not use footnotes.
5042 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5045 * doc/install.texi (Configuration): Document --disable-libgomp.
5047 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5049 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5051 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5053 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5054 (vec_extractv2df_0_sse): New.
5056 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5058 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5059 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5060 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5061 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5062 to the result of the expression.
5063 (def_cfa_1): Adjust.
5064 (frame_pointer_cfa_offset): Rename to...
5065 (frame_pointer_fb_offset): ... this. Adjust all uses.
5066 (convert_cfa_to_loc_list): Rename to...
5067 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5068 Pass it on to build_cfa_loc.
5069 (compute_frame_pointer_to_cfa_displacement): Rename to...
5070 (compute_frame_pointer_to_fb_displacement): ... this. New
5071 offset parameter. Use it in computation.
5072 (gen_subprogram_die): Compute cfa_fb_offset with the new
5073 macro, and use it to compute the fb loc list and the
5076 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5078 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5079 replaced with register_operand.
5080 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5081 non-DREG is expensive.
5082 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5083 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5086 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5088 * doc/install.texi2html: Use set -e.
5090 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5092 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5093 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5094 * doc/invoke.texi (-fshared-data): Delete.
5095 * common.opt (fshared-data): Delete.
5096 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5097 (assemble_static_space): Remove #if 0 code.
5098 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5099 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5100 * config/cris/cris.h: Remove FIXME.
5102 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5104 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5107 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5110 * combine.c (simplify_shift_const_1): Disable nested shifts
5111 optimization for vector shifts.
5113 2006-02-20 Roger Sayle <roger@eyesopen.com>
5115 PR tree-optimization/26361
5116 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5117 of unsigned integer types.
5119 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5121 * tree-chrec.c (eq_evolutions_p): New.
5122 * tree-chrec.h (eq_evolutions_p): Declared.
5123 * tree-data-ref.c: Fix formatting.
5124 (datadep_stats, dependence_stats): New.
5126 (print_direction_vector): New.
5127 (dump_data_dependence_relation): Use print_direction_vector.
5128 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5129 (compute_subscript_distance): Static.
5130 (initialize_data_dependence_relation): Static. Get the number
5131 of loops surrounding the references from the callers, and initialize
5132 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5133 base_object_differ_p analyzers.
5134 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5135 compute_overlap_steps_for_affine_1_2,
5136 analyze_subscript_affine_affine): Count the classified dependences.
5137 Print a message when a test failed.
5138 (can_use_analyze_subscript_affine_affine): New.
5139 (analyze_siv_subscript): Compute the data dependences on symbolic
5140 scevs that verify can_use_analyze_subscript_affine_affine.
5141 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5142 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5143 Handle symbolic scevs.
5144 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5146 (subscript_dependence_tester): Moved...
5147 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5148 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5149 DDR_SIZE_VECT instead of getting it in parameter.
5150 (subscript_dependence_tester): ... here. Take as a parameter
5151 loop_nest_depth. Call build_classic_dist_vector and
5152 build_classic_dir_vector.
5153 (compute_affine_dependence): Update subscript_dependence_tester
5154 parameters. Update datadep_stats counters. Call
5155 compute_subscript_distance.
5156 (compute_self_dependence): Save the dist and dir vectors. Call
5157 compute_subscript_distance.
5158 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5159 (compute_all_dependences): Reorder parameters as they were before
5160 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5161 compute_subscript_distance. Update the use of
5162 compute_affine_dependence and initialize_data_dependence_relation.
5163 (find_data_references_in_loop): Handle COMPONENT_REF.
5164 (compute_data_dependences_for_loop): Initialize dependence_stats.
5165 Don't call build_classic_dist_vector and build_classic_dir_vector.
5166 Update the parameters of initialize_data_dependence_relation and
5167 compute_all_dependences. Print the statistics from datadep_stats.
5168 (analyze_all_data_dependences): Static. Not used until the pass for
5169 checking the data dependences is contributed.
5170 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5171 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5172 (initialize_data_dependence_relation, compute_affine_dependence,
5173 analyze_all_data_dependences, compute_subscript_distance): Removed.
5174 (print_direction_vector): New.
5175 * lambda.h (gcd): ... here.
5176 (lambda_vector_gcd): Moved here from gcd_vector.
5177 * lambda-code.c (gcd, gcd_vector): Removed.
5178 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5179 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5181 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5183 * ipa-type-escape.c: Tidy some comments and white space.
5184 * tree-ssa-operands.c: Likewise.
5186 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5189 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5190 (dump_decl_name): Do not walk the decl tree chains.
5191 * tree-pass.h (TDF_CHAIN): Remove.
5193 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5195 * Makefile.in (C): Remove
5197 (.PHONY): Remove C and PROTO
5199 2006-02-20 Roger Sayle <roger@eyesopen.com>
5202 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5203 deprecated CHAR_TYPE tree code.
5205 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5207 * configure.ac (target_list): Add install-info, dvi, html.
5208 * configure: Regenerate.
5210 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5211 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5212 treelang/Make-lang.in: Do not use double-colon rules.
5214 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5216 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5217 (TMT_USED_ALONE): New macro.
5218 * tree-pass.h (PROP_tmt_usage): New property.
5219 (TODO_update_tmt_usage): New todo.
5220 * tree-ssa-alias.c (updating_used_alone): New variable.
5221 (recalculate_used_alone): New function.
5222 (compute_may_aliases): Set updating_used_alone, call
5223 recalculate_used_alone.
5224 * tree-sra.c (pass_sra): Note that this pass destroys
5225 PROP_tmt_usage, and add TODO_update_tmt_usage.
5226 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5227 * tree-flow.h (updating_used_alone): Prototype.
5228 (recalculate_used_alone): Ditto.
5229 * passes.c (execute_todo): Add code to set updating_used_alone,
5230 and call recalculate.
5231 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5232 for clobber if used alone, and add assert to verify used_alone
5235 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5237 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5238 for non tls symbols added.
5239 (legitimize_address): Do nothing for PLUS expressions if one of the
5240 addends is a tls symbol reference.
5242 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5246 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5248 * Makefile.in (BOOTSTRAPPING): New.
5249 (quickstrap): New definition if BOOTSTRAPPING=yes.
5251 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5252 * configure.ac: Substitute all_selected_languages with the languages
5253 that were configured. For all the other variables except
5254 lang_specs_files, include all the languages in the tree.
5255 * configure: Regenerate.
5257 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5258 if there is one. Run the commands to run fixincludes in the same
5261 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5262 * doc/install.texi: Document exact conventions for searching target tools.
5263 Document --with-build-time-tools. Document toplevel bootstrap. Document
5264 something more about building an Ada cross-compiler. Don't list GNU Make
5265 requirements which affect all platforms.
5267 2006-02-19 Roger Sayle <roger@eyesopen.com>
5270 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5271 only equivalent if the have both the same mode and precision.
5273 2006-02-20 Ben Elliston <bje@au.ibm.com>
5275 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5277 2006-02-19 Roger Sayle <roger@eyesopen.com>
5278 Steven Bosscher <stevenb.gcc@gmail.com>
5280 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5281 constant pool references to identify stack mode constants.
5282 * rtlanal.c (constant_pool_constant_p): New predicate to check
5283 whether operand is a floating point constant in the pool.
5284 * rtl.h (constant_pool_constant_p): Prototype here.
5285 * loop.c (scan_loop): Avoid hoisting constants from the constant
5286 pool on STACK_REGS targets.
5287 (load_mems): Likewise.
5288 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5289 loads into x87 registers expensive in terms of register pressure.
5291 2006-02-19 Roger Sayle <roger@eyesopen.com>
5293 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5294 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5296 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5298 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5299 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5301 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5303 * doc/invoke.texi: Document -fipa-pta.
5304 * common.opt: Add ipa-pta option.
5305 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5306 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5307 (do_ds_constraint): Ditto.
5308 (get_constraint_for): Only add to referenced_vars if
5309 referenced_vars exists.
5310 (insert_into_field_list): Rewrite to do this unsorted.
5311 (insert_into_field_list_sorted): Rename old insert_into_field_list
5313 (create_function_info_for): Use insert_into_field_list_sorted.
5314 (create_variable_info_for): Rewrite so it uses unsorted version,
5315 since the field list is sorted.
5316 (intra_create_variable_infos): Only add to referenced_vars if
5317 referenced_vars exists.
5318 (ipa_pta_execute): Init heapvars, and delete when done.
5319 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5321 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5323 * doc/install.texi: Add missing `@samp'.
5325 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5327 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5330 2006-02-18 Mark Wielaard <mark@klomp.org>
5332 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5333 who added new 4.1 features, bug fixes and integration support.
5335 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5338 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5341 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5343 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5344 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5345 (copy_insn_1): Likewise. Don't copy each field individually.
5347 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5349 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5350 * rtl.c (rtx_size): Rename variable to...
5351 (rtx_code_size): ...this.
5352 (rtx_size): New function.
5353 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5354 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5356 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5357 * rtl.h (rtx_code_size): New variable.
5358 (rtx_size): Change from a variable to a function.
5359 (RTX_SIZE): Rename to...
5360 (RTX_CODE_SIZE): ...this.
5363 PR tree-optimization/17106
5364 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5365 (Anchored Addresses): New section.
5366 * doc/invoke.texi (-fsection-anchors): Document.
5367 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5368 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5369 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5370 * hooks.c (hook_bool_mode_rtx_false): New function.
5371 * hooks.h (hook_bool_mode_rtx_false): Declare.
5372 * gengtype.c (create_optional_field): New function.
5373 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5374 SYMBOL_REF_IN_BLOCK_P is true.
5375 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5376 (min_anchor_offset, max_anchor_offset): Likewise.
5377 (use_anchors_for_symbol_p): New hook.
5378 * toplev.c (compile_file): Call output_object_blocks.
5379 (target_supports_section_anchors_p): New function.
5380 (process_options): Check that -fsection-anchors is only used on
5381 targets that support it and when -funit-at-a-time is in effect.
5382 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5383 if the decl doesn't have one.
5384 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5385 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5386 of force_const_mem through use_anchored_address.
5387 (expand_expr_constant): New function.
5388 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5389 calling expand_expr for INDIRECT_REF.
5390 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5391 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5392 * expr.h (use_anchored_address): Declare.
5393 * loop-unroll.c: Don't declare rtx vectors here.
5394 * explow.c: Include output.h.
5395 (validize_mem): Call use_anchored_address.
5396 (use_anchored_address): New function.
5397 * common.opt (-fsection-anchors): New switch.
5398 * varasm.c (object_block_htab, anchor_labelno): New variables.
5399 (hash_section, object_block_entry_eq, object_block_entry_hash)
5400 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5401 (use_blocks_for_decl_p, change_symbol_section): New functions.
5402 (get_variable_section): New function, split out from assemble_variable.
5403 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5404 use_blocks_for_decl_p say so. Use change_symbol_section if the
5405 symbol has already been created.
5406 (assemble_variable_contents): New function, split out from...
5407 (assemble_variable): ...here. Don't output any code for
5408 block symbols; just pass them to place_block_symbol.
5409 Use get_variable_section and assemble_variable_contents.
5410 (get_constant_alignment, get_constant_section, get_constant_size): New
5411 functions, split from output_constant_def_contents.
5412 (build_constant_desc): Create a block symbol if use_object_blocks_p
5413 says so. Or into SYMBOL_REF_FLAGS.
5414 (assemble_constant_contents): New function, split from...
5415 (output_constant_def_contents): ...here. Don't output any code
5416 for block symbols; just pass them to place_section_symbol.
5417 Use get_constant_section and get_constant_alignment.
5418 (force_const_mem): Create a block symbol if use_object_blocks_p and
5419 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5420 (output_constant_pool_1): Add an explicit alignment argument.
5421 Don't switch sections here.
5422 (output_constant_pool): Adjust call to output_constant_pool_1.
5423 Switch sections here instead. Don't output anything for block symbols;
5424 just pass them to place_block_symbol.
5425 (init_varasm_once): Initialize object_block_htab.
5426 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5427 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5428 (place_block_symbol, get_section_anchor, output_object_block)
5429 (output_object_block_htab, output_object_blocks): New functions.
5430 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5431 (TARGET_ASM_OUT): Include it.
5432 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5433 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5434 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5435 (TARGET_INITIALIZER): Include them.
5436 * rtl.c (rtl_check_failed_block_symbol): New function.
5437 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5438 (block_symbol, object_block): New structures.
5439 (rtx_def): Add a block_symbol field to the union.
5440 (BLOCK_SYMBOL_CHECK): New macro.
5441 (rtl_check_failed_block_symbol): Declare.
5442 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5443 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5444 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5445 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5446 * output.h (output_section_symbols): Declare.
5447 (object_block): Name structure.
5448 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5449 (default_use_anchors_for_symbol_p): Declare.
5450 * Makefile.in (RTL_BASE_H): Add vec.h.
5451 (explow.o): Depend on output.h.
5452 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5453 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5454 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5455 (rs6000_use_blocks_for_constant_p): New function.
5457 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5459 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5461 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5464 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5467 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5469 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5473 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5476 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5477 instead of DECL_REGISTER.
5479 2006-02-18 Olivier Hainque <hainque@adacore.com>
5482 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5484 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5487 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5488 * opth-gen.awk: Handle Var and InverseMask together.
5489 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5490 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5491 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5492 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5494 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5495 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5496 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5497 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5498 LINUX_DYNAMIC_LINKER): Define.
5499 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5500 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5502 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5503 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5504 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5506 (TARGET_C99_FUNCTIONS): Don't define.
5507 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5508 GLIBC_DYNAMIC_LINKER.
5509 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5510 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5511 GLIBC_DYNAMIC_LINKER64): Define.
5512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5513 LINUX_DYNAMIC_LINKER64.
5514 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5516 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5518 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5520 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5521 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5522 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5524 and LINUX_DYNAMIC_LINKER32.
5525 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5527 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5529 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5531 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5532 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5533 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5534 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5535 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5536 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5537 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5538 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5539 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5540 LINUX_DYNAMIC_LINKER): Define.
5541 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5542 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5543 GLIBC_DYNAMIC_LINKER64): Define.
5544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5545 LINUX_DYNAMIC_LINKER64.
5546 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5547 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5548 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5549 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5550 LINUX_DYNAMIC_LINKER): Define.
5551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5552 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5553 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5554 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5555 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5556 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5557 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5558 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5559 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5560 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5561 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5562 * doc/invoke.texi (-muclibc): Remove caveat about supported
5565 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5567 * doc/cpp.texi (__TIMESTAMP__): Document.
5569 2006-02-17 Roger Sayle <roger@eyesopen.com>
5572 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5573 C is one less than the width of X (and related transformations).
5574 * simplify-rtx.c (simplify_unary_operation_1): Transform
5575 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5576 depending on STORE_FLAG_VALUE, were C is one less then the
5579 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5581 Fix PR tree-optimization/26341
5582 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5583 about NAME_MEMORY_TAG's.
5585 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5588 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5589 with hardware float support, and software float support. Add fcpy
5590 alternative to hardware patterns. Add alternatives to copy between
5591 general and floating-point registers to the 32-bit pattern.
5592 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5593 secondary reload to load a QI or HI mode constant into a floating
5595 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5596 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5598 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5601 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5603 (load_macho_picbase_di): Likewise.
5605 2006-02-16 Jeff Law <law@redhat.com>
5607 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5608 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5609 (ssa_name_nonzero_p): Likewise.
5610 (get_value_range): Return NULL if VRP is not running.
5611 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5612 VRP routines do not discover a range.
5613 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5614 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5615 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5616 (tree_expr_nonnegative_p): Similarly.
5617 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5618 (restore_nonzero_vars_to_original_value): Remove.
5619 (unsafe_associative_fp_binop): Remove.
5620 (tree_ssa_dominator_optimize): Remove initialization and
5621 finalization of nonzero_vars and nonzero_vars_stack.
5622 (dom_opt_initialize_block): No longer push marker on
5624 (dom_opt_finalize_block): No longer call
5625 restore_nonzero_vars_to_original_value.
5626 (record_equivalences_from_phis): No longer look for
5627 nonzero PHI arguments.
5628 (cprop_into_successor_phis): No longer propagate nonzero
5629 property into PHI arguments. Lose unused argument. Caller
5631 (record_equivalences_from_stmt): No longer record nonzero
5632 values for SSA_NAMEs.
5633 (lookup_avail_expr): No longer use nonzero_vars.
5635 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5636 for sizetype when sizetype is unsigned.
5638 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5640 PR rtl-optimization/25603
5641 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5642 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5643 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5644 with new meaning of SETS.
5646 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5651 * config/linux.opt: New file.
5652 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5653 LINUX_DYNAMIC_LINKER): Define.
5654 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5655 * config.gcc (*-*-linux*): Define extra_options.
5656 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5657 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5658 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5659 GLIBC_DYNAMIC_LINKER.
5660 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5661 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5662 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5664 * doc/invoke.texi (GNU/Linux Options): New section.
5666 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5668 * config/sparc/sparc.md (setjmp): Rewrite.
5669 (setjmp_32): Delete.
5670 (setjmp_64): Likewise.
5672 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5674 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5677 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5679 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5682 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5684 PR rtl-optimization/26296
5685 * Makefile.in (loop-invariant.c): Add except.h dependency.
5686 * loop-invariant.c: Include except.h.
5687 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5689 2005-02-16 Paul Brook <paul@codesourcery.com>
5691 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5694 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5696 PR rtl-optimization/25636
5697 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5698 when deciding whether an insn is an initializing insn.
5700 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5702 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5703 (tree_code_size): Ditto.
5704 * tree.h (struct tree_memory_tag): Remove parent_var.
5705 (struct tree_struct_field_tag): New.
5708 (union tree_node): Add sft member.
5709 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5711 (create_sft): Add size and offset argument, set SFT_OFFSET and
5713 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5714 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5715 * tree-flow-inline.h (get_subvar_at): Update for
5716 SFT_OFFSET/SFT_SIZE.
5717 (var_can_have_subvars): Ditto.
5718 (overlap_subvar): Ditto.
5719 * print-tree.c (print_node): Print out interesting things for
5721 * tree-flow.h (struct subvar): Remove offset and size members.
5722 * tree-ssa-operands.c (get_expr_operands): Update for
5723 get_indirect_ref_operands changes.
5724 (get_indirect_ref_operands): Call add_virtual_operand instead of
5725 add_stmt_operand. Only recurse on base var if requested.
5726 (access_can_touch_variable): New function.
5727 (add_stmt_operand): Split virtual operand handling into ...
5728 (add_virtual_operand): Here. Add offset, size, and for_clobber
5729 arguments. Prune alias sets.
5730 (add_call_clobber_ops): Call add_virtual_operand.
5732 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5735 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5737 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5738 than TREE_CODE as index into omp_clause_num_ops array.
5740 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5742 PR rtl-optimization/26184
5743 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5745 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5746 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5747 must_precede, must_follow and tobe_scheduled.
5750 * opts.c (common_handle_option): Free new_option pointer.
5751 * df-core.c (df_analyze): Free postorder pointer.
5753 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5755 * Makefile.in: Fix the examples about the use of stamps
5757 2006-02-15 Michael Matz <matz@suse.de>
5761 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5762 influenced by maximum_field_alignment or DECL_PACKED.
5763 (update_alignment_for_field): Ditto.
5764 (place_field): Ditto.
5765 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5768 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5770 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5771 (debug_flow_info): Pass it.
5772 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5773 * bb-reorder.c (reorder_basic_blocks): Likewise.
5774 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5775 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5776 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5777 * gcse.c (gcse_main, bypass_jumps): Likewise.
5778 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5779 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5780 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5781 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5782 * rtl.h (dump_flow_info): Adjust prototype.
5783 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5784 * var-tracking.c (variable_tracking_main): Likewise.
5785 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5786 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5789 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5791 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5794 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5796 PR tree-optimization/26209
5797 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5798 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5800 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5802 2006-02-14 Roger Sayle <roger@eyesopen.com>
5805 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5806 (X,Y) and the corresponding symmetry related transformations.
5807 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5808 (X,Y) and its symmetry related transformations.
5810 2006-02-14 Roger Sayle <roger@eyesopen.com>
5812 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5815 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5817 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5819 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5822 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5823 support COMDAT group.
5824 * configure: Regenerate.
5826 2006-02-14 Roger Sayle <roger@eyesopen.com>
5831 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5833 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5835 Fix PR tree-optimization/26260
5837 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5839 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5840 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5841 * tree-ssa-structalias.c (create_variable_info_for): Use
5842 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5844 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5846 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5848 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5849 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5850 of the ending condition.
5851 * tree-ssa-loop-manip.c: Include params.h.
5852 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5853 tree_unroll_loop): New functions.
5854 * tree-pass.h (pass_loop_prefetch): Declare.
5855 * loop.c (rest_of_handle_loop_optimize): Test for
5856 -fprefetch-loop-arrays-rtl.
5857 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5858 * timevar.def (TV_TREE_PREFETCH): New timevar.
5859 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5860 pass_loop_prefetch): New.
5861 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5862 (cleanup_tree_cfg_loop): Call scev_reset.
5863 * common.opt (fprefetch-loop-arrays-rtl): Add.
5864 * tree-ssa-loop-prefetch.c: New file.
5865 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5866 (new_temp_expr_table): Initialize expr_vars.
5867 (free_temp_expr_table): Cleanup expr_vars.
5868 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5869 expressions from being merged into one.
5870 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5871 (struct tree_niter_desc): Add control, bound and cmp fields.
5872 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5874 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5875 (tree-cfgcleanup.o): Add SCEV_H dependency.
5876 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5877 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5879 2006-02-14 Richard Guenther <rguenther@suse.de>
5881 PR tree-optimization/26258
5882 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5883 in PHI argument processing.
5885 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5887 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5888 new expression in the requested machine mode.
5890 2006-02-13 Roger Sayle <roger@eyesopen.com>
5892 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5893 directly, instead let do_compare_rtx_and_jump handle this for us.
5894 * expr.c (expand_expr_real_1): Likewise.
5895 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5896 before do_jump_by_parts_greater.
5897 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5898 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5900 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5902 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5904 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5906 PR rtl-optimization/26235
5907 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5908 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5911 2006-02-13 Jeff Law <law@redhat.com>
5913 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5916 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5919 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5920 twice if decl is a builtin. When trying again, call get_callee_fndecl
5921 first to verify it is still a builtin.
5923 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5925 * dwarf2out.c (base_type_die): Don't add AT_name here.
5926 (subrange_type_die): Don't add AT_name here.
5927 (modified_type_die): Rearrange code flow. Do add AT_name here.
5929 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5931 PR rtl-optimization/26247
5932 PR rtl-optimization/26248
5933 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5935 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5937 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5938 * config/fixtfdi.c: Likewise.
5939 * config/fixunstfdi.c: Likewise.
5940 * config/floatditf.c: Likewise.
5942 2006-02-13 Roger Sayle <roger@eyesopen.com>
5945 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5946 into (X,C2) if C1 is a subset of the bits of C2. Transform
5947 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5949 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5951 2006-02-13 Josh Conner <jconner@apple.com>
5954 * varasm.c (function_section): Check for section name before
5955 calling select_section on targets that define
5956 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5957 unlikely_text_section instead of hot_function_section if
5958 first_function_block_is_cold.
5960 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5963 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5965 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5967 PR rtl-optimization/26222
5968 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5969 after tree->rtl expansion.
5970 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5971 before passing it to emit_move_insn.
5973 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5975 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5977 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5978 Clarify documentation.
5979 * c-common.h (warn_write_strings): Remove.
5980 * c-common.c (warn_write_strings): Likewise.
5981 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5984 2006-02-12 Roger Sayle <roger@eyesopen.com>
5987 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5988 (do_jump_parts_zero_rtx): New function renamed from
5989 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5990 (do_jump_parts_equality_rtx): New function split out from
5991 do_jump_parts_equality. Old implementation renamed as above.
5992 Call do_jump_parts_zero_rtx if either operand is zero.
5993 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5994 do all of the heavy lifting.
5995 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5996 calling either do_jump_by_parts_greater_rtx or
5997 do_jump_by_parts_equality_rtx.
5998 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5999 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6000 moved to do_compare_rtx_and_jump, call it directly.
6001 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6002 mode argument. Call do_compare_rtx_and_jump.
6003 (emit_case_nodes): Update calls to do_jump_if_equal.
6005 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6007 PR rtl-optimization/26225
6008 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6010 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6012 PR rtl-optimization/26232
6013 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6015 2006-02-11 Jason Merrill <jason@redhat.com>
6018 * tree-inline.c (declare_return_variable): Just don't use the
6019 modify target if it's a gimple complex reg and the return slot
6022 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6024 * doc/contrib.texi: Update my entry.
6026 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6028 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6030 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6032 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6035 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6037 * doc/invoke.texi (-floop-optimize2): Removed.
6038 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6039 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6040 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6041 * common.opt (floop-optimize2): Removed.
6042 (fmove-loop-invariants): Enabled by default.
6044 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6046 * tree-if-conv.c (combine_blocks): Free the result of
6047 get_loop_exit_edges.
6049 2006-02-10 Jeff Law <law@redhat.com>
6051 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6053 PR tree-optimization/26213
6054 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6055 loop trying to follow SSA_NAME_VALUE chains.
6057 2006-02-10 Richard Guenther <rguenther@suse.de>
6059 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6060 deal with structures that end in implicitly variable sized arrays.
6062 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6064 PR rtl-optimization/24762
6065 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6068 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6070 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6071 (struct ivopts_data): Add regs_used field.
6072 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6073 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6074 instead of loop_data->regs_used;
6075 (free_loop_data): Do not free aux fields for loops.
6076 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6077 and tree_ssa_iv_optimize_finalize.
6079 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6081 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6083 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6086 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6087 computing the effective result type.
6089 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6092 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6093 (tree_overlaps_hard_reg_set): Declare.
6094 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6095 type and signature to match function type expected by walk_tree.
6096 (tree_overlaps_hard_reg_set): New function.
6097 (decl_conflicts_with_clobbers_p): Rename to:
6098 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6099 Use tree_overlaps_hard_reg_set. Changed caller.
6100 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6101 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6102 * cris.c (cris_md_asm_clobbers): Likewise.
6104 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6106 * reload1.c (emit_input_reload_insns): Delete code that tries to
6107 inherit using find_equiv_reg.
6109 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6111 * c-common.h (flag_const_strings): Don't declare.
6112 * c-common.c (flag_const_strings): Remove.
6113 * c.opt (fconst_strings): Remove.
6114 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6115 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6116 (c_common_init_options): Don't set flag_const_strings.
6117 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6119 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6121 * arm.md (tlobits_cbranch): New pattern.
6122 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6123 testing a single bit.
6125 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6128 * tree-ssa-pre.c (create_component_ref_by_pieces):
6129 Handle RETURN_DECL like VAR_DECL.
6131 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6134 * fold-const.c (fold_indirect_ref_1): Fold
6135 "*(foo *)&complexfoo" to "__real__ complexfoo"
6136 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6138 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6140 * tree-flow-inline.h (var_can_have_subvars):
6141 Volatile variables should not have subvariables.
6143 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6146 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6147 multiplying unsigned values.
6150 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6152 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6154 2006-02-08 Jason Merrill <jason@redhat.com>
6157 * tree.def: Elaborate on difference from MODIFY_EXPR.
6158 * doc/c-tree.texi (INIT_EXPR): Likewise.
6159 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6160 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6161 (gimplify_target_expr): Likewise.
6162 (gimplify_cond_expr): Remove target handling.
6163 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6164 (gimplify_expr): Clobber it here.
6165 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6166 Do return slot optimization if we have an INIT_EXPR.
6169 * tree-inline.c (declare_return_variable): Also clear
6170 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6173 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6176 * gimplify.c (gimplify_one_sizepos): Fix typo.
6178 2006-02-08 Jeff Law <law@redhat.com>
6180 PR tree-optimization/21417
6181 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6182 across a backedge if the control statement at the end of the
6183 block is data dependent on other statements in the same block.
6184 (record_temporary_equivalences_from_stmts): Remove over-conservative
6185 test for threading across backedges.
6187 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6188 control statement, handle all three special cases in the same
6189 manner as they all have the same desired solution. No longer
6190 special case edge flag updating when the post dominator is
6193 2006-02-08 Roger Sayle <roger@eyesopen.com>
6195 * tree.def (CHAR_TYPE): Remove.
6196 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6197 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6198 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6199 (gen_string_type_die): Delete unreachable function.
6201 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6202 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6203 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6204 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6205 * builtins.c (type_to_class): Likewise.
6206 * fold-const.c (fold_convert, build_range_check,
6207 merge_ranges): Likewise.
6208 * expr.c (count_type_elements): Likewise.
6209 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6210 * stor-layout.c (layout_type): Likewise.
6211 * ipa-type-escape.c (type_to_consider): Likewise.
6212 * gimplify.c (omp_firstprivatize_type_sizes,
6213 gimplify_type_sizes): Likewise.
6214 * explow.c (promote_mode): Likewise.
6215 * tree-sra.c (is_sra_scalar_type): Likewise.
6216 * varasm.c (output_constant): Likewise.
6217 * tree-inline.c (remap_type_1): Likewise.
6218 * convert.c (convert_to_pointer, convert_to_real,
6219 convert_to_integer, convert_to_complex): Likewise.
6221 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6223 * df-scan.c (df_def_record_1): A set destination may
6224 be a parallel regardless of mode.
6226 2006-02-08 Roger Sayle <roger@eyesopen.com>
6229 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6230 * config/mips/_tilib.c: Remove.
6231 * config/fixtfdi.c: New libgcc source file.
6232 * config/fixunstfdi.c: New source file.
6233 * config/floatditf.c: New source file.
6234 * config/floatunditf.c: New souce file.
6235 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6236 files above instead of config/mips/_tilib.c.
6237 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6239 2006-02-08 Jeff Law <law@redhat.com>
6241 PR tree-optimization/26169
6242 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6245 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6247 * df.h (DF_REG_SIZE): Return the length of the initialized
6250 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6252 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6253 __muldf3): Return a correctly signed zero.
6255 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6257 * passes.c (register_one_dump_file): Accept the current properties
6258 instead of pass number. Adjust call to dump_register. Remove
6260 (register_dump_files): Now a wrapper around...
6261 (register_dump_files_1): ... this one. Do not modify the pass
6263 (next_pass_1): Cosmetic fix.
6264 (execute_todo): Keep second parameter only. Use curr_properties
6265 instead of fetching it from the pass structure. Check and set
6267 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6268 instead of fetching it from the pass structure. Fix calls to
6269 execute_todo. Update curr_properties and initialize .vcg RTL dump
6270 after running the pass. Reset last_verified.
6271 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6273 (FIRST_AUTO_NUMBERED_DUMP): New.
6274 (dump_register): Remove "num" parameter, assign it within the
6276 (get_dump_file_name): Modify template for dumps.
6277 * tree-dump.h (dump_register): Adjust prototype.
6278 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6279 (PROP_trees): Add PROP_gimple_lomp.
6280 (TODO_set_props): New.
6281 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6282 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6283 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6285 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6287 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6288 (sparc64-*-linux*): Likewise.
6289 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6290 * config/sparc/t-linux: New file.
6291 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6292 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6293 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6294 -m32 -mlong-double-128.
6296 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6297 * config/alpha/t-linux: New file.
6298 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6300 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6301 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6302 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6303 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6304 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6305 (CPP_ARCH32_SPEC): Remove.
6307 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6309 PR tree-optimization/26145
6310 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6313 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6316 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6317 >= 240000 when generating code for SOM runtime.
6318 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6319 to $$dyncall when generating code for SOM runtime..
6321 2006-02-07 Dirk Mueller <dmueller@suse.com>
6324 * doc/invoke.texi (-Wsequence-point): Update documentation
6325 that -Wsequence-point is implemented for C++ as well.
6327 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6329 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6330 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6331 (LIB_SPEC): Likewise.
6332 * doc/invoke.texi (SPARC options): Document -pthread.
6334 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6336 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6339 2006-02-07 Roger Sayle <roger@eyesopen.com>
6341 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6342 Correct comment describing BOOLEAN_TYPE.
6344 2006-02-07 Dirk Mueller <dmueller@suse.com>
6346 * c.opt: C++ frontend supports -Wdiv-by-zero.
6347 * c-opts.c (c_common_handle_option): Remove dead case.
6349 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6351 * configure.ac (TLS assembler check): Do not enable TLS by
6352 default on SPARC/Solaris before version 10.
6353 * configure: Regenerate.
6355 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6357 * doc/invoke.texi (xl-compat): Document conversion and support
6360 2006-02-07 Jeff Law <law@redhat.com>
6362 * tree-vrp.c (find_conditional_asserts): Update comments.
6363 (simplify_stmt_for_jump_threading): New.
6364 (identify_jump_threads, finalize_jump_threads): New.
6365 (vrp_finalize): Call identify_jump_threads.
6366 (execute_vrp): Call finalize_jump_threads.
6367 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6368 (vrp_element, vrp_data, vrp_element_p): Remove.
6369 (vrp_hash_elt, vrp_variables_stack): Remove.
6370 (vrp_hash, vrp_eq, record_range): Remove.
6371 (simplify_cond_and_lookup_avail_expr): Remove.
6372 (extract_range_from_cond): Remove.
6373 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6374 (simplify_stmt_for_jump_threading): New.
6375 (dom_thread_across_edge): New wrapper.
6376 (tree_ssa_dominator_optimize): No longer initialize or
6377 finalize any of the VRP datastructures. Remove iteration
6378 step and simplify as a result of removal of iteration step.
6379 (pass_dominator): Perform a cfg cleanup after DOM.
6380 (dom_opt_finalize_block): Use the new common routines
6381 for threading jumps. Simplify stack management slightly.
6382 No longer need to unwind VRP state.
6383 (record_equivalences_from_incoming_edge): No longer record
6385 (eliminate_redundant_computations): No longer call
6386 simplify_cond_and_lookup_avail_expr.
6387 * tree-flow.h (potentially_threadable_block): Prototype.
6388 (thread_across_edge): Likewise.
6389 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6390 (tree-ssa-threadedge.o): Add dependencies.
6391 * tree-ssa-threadedge.c: New file.
6392 * passes.c (init_optimization_passes): Merge PHIs before
6393 calling VRP. Run VRP again late in the SSA optimization pipeline.
6395 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6397 * df-core.c (df_set_blocks): Do not dereference function pointers.
6398 (df_finish1): Likewise.
6399 (df_hybrid_search_forward): Likewise.
6400 (df_hybrid_search_backward): Likewise.
6401 (df_iterative_dataflow): Likewise.
6402 (df_analyze_problem): Likewise.
6403 (df_compact_blocks): Likewise.
6404 (df_dump): Likewise.
6405 * df-scan.c (df_rescan_blocks): Likewise.
6406 (df_record_entry_block_defs): Likewise.
6408 * genconditions.c (write_conditions): Guard the definition of
6409 'insn_conditions' with the check on GCC version.
6410 (write_writer): Guard the traversal 'insn_conditions' with
6411 the check on GCC version.
6413 2006-02-07 Richard Guenther <rguenther@suse.de>
6417 2006-01-30 Richard Guenther <rguenther@suse.de>
6419 * gimplify.c (gimplify_target_expr): Handle easy cases
6420 without creating a temporary.
6422 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6424 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6425 use of float in probability computations. Use edge probabilities
6426 in place of statically computed probabilities.
6427 (min_spec_prob): New static variable.
6428 (schedule_insns): Initialize it.
6429 (GET_SRC_PROB): Removed.
6430 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6432 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6435 * config/ia64/unwind-ia64.c: Revert last change.
6436 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6437 (INCOMING_FRAME_SP_OFFSET): Define.
6439 2006-02-06 Roger Sayle <roger@eyesopen.com>
6441 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6443 2006-02-07 Ben Elliston <bje@au.ibm.com>
6445 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6446 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6447 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6448 (ix86_return_in_memory): Handle TDmode.
6449 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6450 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6452 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6454 * reorg.c (dbr_schedule): Use dump_file instead of file.
6456 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6459 * config/ia64/predicates.md (extr_len_operand): New predicate.
6460 * config/ia64/ia64.md (extv): Tighten constraints.
6462 (*tbit_and_2): Ditto.
6463 (*tbit_and_3): Ditto.
6464 (*tbit_or_2): Ditto.
6465 (*tbit_or_3): Ditto.
6469 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6472 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6474 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6476 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6477 loop_optimizer_init and loop_optimizer_finalize
6478 * tree-ssa-sink.c (execute_sink_code): Ditto.
6479 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6480 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6481 tree_ssa_loop_done): Ditto.
6482 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6483 * sched-ebb.c: Include output.h.
6484 (schedule_ebbs): Do not use dump argument.
6485 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6486 * loop.c (loop_dump_stream): Removed.
6487 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6489 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6490 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6491 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6492 loop_iterations, strength_reduce, record_biv, record_giv,
6493 final_giv_value, check_final_value, check_ext_dependent_givs,
6494 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6495 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6496 dump_file instead of loop_dump_stream.
6497 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6499 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6501 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6502 * haifa-sched.c: Include output.h
6503 (schedule_insns, sched_init): Do not use dump argument.
6504 * mode-switching.c (optimize_mode_switching): Ditto.
6505 * modulo-sched.c (stats_file): Removed.
6506 (print_node_sched_params): Do not call argument dump_file.
6507 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6508 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6510 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6512 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6513 rtl_loop_init, rtl_loop_done): Ditto.
6514 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6515 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6517 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6518 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6519 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6520 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6521 * emit-rtl.c (renumber_insns): Ditto.
6522 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6523 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6524 * regclass.c (regclass): Ditto.
6525 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6526 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6527 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6528 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6530 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6531 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6533 * gcse.c (gcse_file, debug_stderr): Removed.
6534 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6535 rest_of_handle_gcse): Do not use dump argument.
6536 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6537 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6538 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6539 compute_code_hoist_vbeinout, compute_code_hoist_data,
6540 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6541 compute_store_table, build_store_vectors, insert_insn_start_bb,
6542 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6543 store_motion): Use dump_file instead of gcse_file.
6544 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6545 * profile.c (profile_dump_file): Removed.
6546 (branch_prob): Use dump_file instead of profile_dump_file.
6547 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6549 * tree-ssa-copy.c (dump_copy_of): Ditto.
6550 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6551 dump file to life_analysis.
6552 * bt-load.c (branch_target_load_optimize): Ditto.
6553 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6555 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6556 regclass, dbr_schedule): Declaration changed.
6557 * sched-int.h (sched_init): Declaration changed.
6558 * tree-profile.c (tree_profile_dump_file): Removed.
6559 (tree_profile_hooks): Removed profile_dump_file hook.
6560 * rtl-profile (rtl_profile_dump_file): Removed.
6561 (rtl_profile_hooks): emoved profile_dump_file hook.
6562 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6564 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6565 * tree-cfg.c (build_tree_cfg): Ditto.
6566 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6567 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6568 Declaration changed.
6569 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6570 life_analysis and schedule_insns.
6571 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6573 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6575 * config/mips/mips.c (mips_reorg): Ditto.
6576 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6579 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6581 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6582 (s390_mangle_fundamental_type): New.
6583 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6586 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6587 (alpha_mangle_fundamental_type): New.
6588 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6591 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6593 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6595 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6596 (sparc_mangle_fundamental_type): New.
6598 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6600 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6601 (s390x-*-linux*): Likewise.
6602 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6603 * config/s390/t-linux: New file.
6605 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6607 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6608 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6610 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6612 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6613 (ANTIC_SAFE_LOADS): New macro.
6614 (find_or_generate_expression): Add prototype.
6615 (set_contains_value): Allow null set for sake of not always having
6616 to allocate ANTIC_SAFE_LOADS.
6617 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6618 Allow COMPONENT_REF too.
6619 (valid_in_set): Allow COMPONENT_REF.
6620 Check ANTIC_SAFE_LOADS too.
6621 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6622 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6624 (can_PRE_operation): Add COMPONENT_REF.
6625 (create_component_ref_by_pieces): New function.
6626 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6627 (insert_aux): Move AGGREGATE_TYPE_P check here.
6628 (compute_avail): Set bb local stmt uids.
6629 (pass_pre): Use TODO_update_ssa_only_virtuals.
6631 2006-02-06 Ben Elliston <bje@au.ibm.com>
6633 * configure.ac: Unconditionally disable decimal float by default.
6634 * configure: Regenerate.
6636 2006-02-06 Ben Elliston <bje@au.ibm.com>
6638 * read-rtl.c (read_name): Terminate reading on EOF.
6640 2006-02-06 Ben Elliston <bje@au.ibm.com>
6642 * dfp.c (decimal_real_arithmetic): Change second argument type
6643 from int to enum tree_code. Do not always return true, but now
6644 return result of any call to decimal_do helper functions.
6645 * dfp.h (decimal_real_arithmetic): Update prototype.
6647 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6649 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6651 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6654 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6657 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6659 * tree-vrp.c (cfg_loops): Removed.
6660 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6661 Use current_loops instead of cfg_loops. Pass flags to
6662 loop_optimizer_init.
6663 * cfgloopmanip.c (fix_loop_structure): Update only available
6665 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6666 loop_optimizer_init.
6667 * modulo-sched.c (build_loops_structure): Removed.
6668 (sms_schedule): Use loop_optimizer_init.
6669 * loop-init.c (loop_optimizer_init): Use flags to determine
6670 which properties of loops to prepare.
6671 (rtl_loop_init): Pass flags to loop_optimizer_init.
6672 * tree-ssa-sink.c (execute_sink_code): Ditto.
6673 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6674 * tree-ssa-pre.c (init_pre): Ditto.
6675 * cfgloop.h (LOOPS_NORMAL): New.
6676 (loop_optimizer_init): Declaration changed.
6678 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6680 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6681 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6683 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6685 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6687 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6688 * pa/t-pa64: Delete quadlib.c rule.
6689 * pa/x-ada: Revert last change.
6690 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6692 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6694 PR rtl-optimization/26087
6695 * rtlanal.c (canonicalize_condition): Do not cross basic block
6698 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6701 * config/ia64/ia64.c: Include debug.h.
6702 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6703 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6704 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6705 (process_epilogue, process_set, process_for_unwind_directive):
6706 Output unwind info only if requested. Add CFA info if requested.
6707 Add new arguments as needed. Adjust callers.
6708 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6710 (DWARF2_FRAME_INFO): Define to zero.
6711 * config/ia64/unwind-ia64.c: Remove code that compensated for
6712 the CFA offset error fixed above.
6713 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6714 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6715 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6716 -funwind-tables and -fexceptions to enable frame info.
6717 (dwarf2out_frame_init): Define initial CFA even if
6718 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6719 DWARF2_UNWIND_INFO is nonzero, not just defined.
6720 (dwarf2out_frame_finish): Output non-EH call frame info only
6721 if DWARF2_FRAME_INFO is nonzero.
6722 (convert_cfa_to_loc_list,
6723 compute_frame_pointer_to_cfa_displacement): Define even if
6724 unwind info is not supported.
6725 (gen_subprogram_die): Use the above unconditionally. Remove
6726 legacy alternate code.
6727 * toplev.c (compile_file): Compile in call to
6728 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6729 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6731 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6732 Jakub Jelinek <jakub@redhat.com>
6734 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6735 IBM extended float format long double as "g" on powerpc*-linux.
6737 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6740 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6741 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6743 2006-02-03 Jason Merrill <jason@redhat.com>
6746 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6749 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6750 on the return slot if it's an NRV.
6752 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6754 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6755 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6756 rewrite_use): Do not handle USE_OUTER.
6757 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6758 add_iv_outer_candidates, may_replace_final_value,
6759 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6760 (find_interesting_uses_op): Functionality of
6761 find_interesting_uses_outer_or_nonlin moved here.
6762 (find_interesting_uses_outside): Use find_interesting_uses_op.
6764 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6767 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6769 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6770 Ulrich Weigand <uweigand@de.ibm.com>
6773 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6774 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6775 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6776 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6778 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6779 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6780 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6781 Define secondary reloads for TFmode moves.
6782 (constant_modes): Add TFmode.
6783 (NR_C_MODES): Set to 8.
6784 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6786 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6787 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6788 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6789 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6790 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6791 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6792 (FPR mode macro): Add TFmode.
6793 (DSF mode macro): New.
6794 (<de>, <dee> mode attributes): Removed.
6795 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6796 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6797 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6798 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6799 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6800 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6801 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6802 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6803 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6804 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6805 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6806 "*negabs<mode>2", "sqrt<mode>2"):
6807 Changed <de> to <xde>. R constraint replaced by <Rf>.
6808 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6810 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6811 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6812 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6814 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6815 "extenddftf2", "extendsftf2"): New expanders.
6816 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6817 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6818 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6819 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6821 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6822 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6823 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6824 __floatditf): Add a GCC_4.1.0 symbol version tag.
6825 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6828 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6831 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6832 Use targetm.binds_local_p instead of TREE_PUBLIC.
6834 2006-02-02 Roger Sayle <roger@eyesopen.com>
6836 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6837 on INTEGER_TYPEs to indicate that it denotes a character type.
6838 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6839 signed_char_type_node, unsigned_char_type_node and char_type_node.
6840 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6841 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6842 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6844 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6845 Daniel Berlin <dberlin@dberlin.org>
6847 * tree-tailcall.c (arg_needs_copy_p): New function.
6848 (eliminate_tail_call): Use arg_needs_copy_p.
6849 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6850 (add_virtual_phis): New function.
6852 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6854 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6855 #ignore instead of #scratch for %g7 .register directive.
6857 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6859 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6862 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6864 * flow.c (calculate_global_regs_live): Assert that there aren't any
6867 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6869 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6871 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6872 bsi_after_labels iterator.
6873 * tree-if-conv.c (find_phi_replacement_condition,
6874 replace_phi_with_cond_modify_expr): Likewise.
6875 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6876 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6878 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6880 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6882 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6885 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6886 array after growing it.
6888 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6891 * fold-const.c (fold_checksum_tree): Change type of buf.
6893 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6895 * reload.c (push_secondary_reload): Initialize t_icode.
6897 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6899 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6900 -msoft-float -mlong-double-128 only issue a warning, but don't
6901 swich to DFmode long double.
6903 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6905 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6906 has a constant equivalent, iterate over equivalents for arg0,
6907 calling simplify_relational_operation and if there's a result
6908 cheaper than X, apply fold_rtx and return the result.
6910 2006-02-01 Jan Hubicka <jh@suse.cz>
6912 * opts.c (no_unit_at_a_time_default): New global variable.
6913 (decode_options): Use it.
6914 * opts.h (no_unit_at_a_time_default): Declare.
6916 2006-02-01 Paul Brook <paul@codesourcery.com>
6918 * function.c (assign_parm_setup_reg): Use function argument promotion
6920 * expr.c (expand_expr_real_1): Use function argument promotion rules
6923 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6925 * gcc.c (process_command): Change j to 'unsigned int'.
6927 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6930 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6931 Use the corrected index for the character
6932 out of the string constant.
6934 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6936 * mode-switching.c (optimize_mode_switching): Fix size
6937 allocated for bb_info[n_entities].
6939 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6941 * gcc.c (main): Correct type that is allocated for
6942 explicit_link_files.
6944 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6946 * config/s390/s390.c (init_alignment_context): Set
6947 ALIAS_SET_MEMORY_BARRIER on the MEM.
6948 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6950 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6953 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6955 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6958 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6960 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6961 * regrename.c: Ditto.
6962 * tree-ssa-loop-im.c: Ditto.
6963 * tree-dump.c: Ditto.
6964 * tree-complex.c: Ditto.
6965 * genrecog.c: Ditto.
6966 * tree-ssa-threadupdate.c: Ditto.
6968 * java/class.c: Ditto.
6969 * java/jcf-parse.c: Ditto.
6970 * java/resource.c: Ditto.
6971 * java/except.c: Ditto.
6972 * java/jvspec.c: Ditto.
6973 * java/jcf-write.c: Ditto.
6974 * java/jcf-path.c: Ditto.
6975 * java/gjavah.c: Ditto.
6976 * java/zextract.c: Ditto.
6977 * java/jcf-io.c: Ditto.
6978 * java/jcf.h: Ditto.
6979 * java/buffer.c: Ditto.
6980 * java/lang.c: Ditto.
6981 * java/parse-scan.y: Ditto.
6982 * java/lex.c: Ditto.
6983 * java/lex.h: Ditto.
6984 * cfgloopmanip.c: Ditto.
6985 * postreload-gcse.c: Ditto.
6986 * tree-ssa-loop-manip.c: Ditto.
6987 * postreload.c: Ditto.
6988 * tree-ssa-loop-ch.c: Ditto.
6992 * diagnostic.c: Ditto.
6994 * genoutput.c: Ditto.
6996 * cfghooks.c: Ditto.
6997 * cfgloopanal.c: Ditto.
6998 * objc/objc-act.c: Ditto.
7000 * genextract.c: Ditto.
7001 * genautomata.c: Ditto.
7002 * pretty-print.c: Ditto.
7004 * cgraphunit.c: Ditto.
7007 * haifa-sched.c: Ditto.
7008 * dominance.c: Ditto.
7010 * tree-ssa-loop-ivopts.c: Ditto.
7012 * mode-switching.c: Ditto.
7013 * modulo-sched.c: Ditto.
7015 * ipa-pure-const.c: Ditto.
7017 * fix-header.c: Ditto.
7019 * tree-stdarg.c: Ditto.
7020 * ipa-utils.c: Ditto.
7021 * loop-init.c: Ditto.
7022 * ipa-inline.c: Ditto.
7025 * alloc-pool.c: Ditto.
7026 * dwarf2out.c: Ditto.
7028 * genattrtab.c: Ditto.
7029 * tree-ssa-loop-ivcanon.c: Ditto.
7033 * fortran/gfortranspec.c: Ditto.
7035 * local-alloc.c: Ditto.
7036 * langhooks.c: Ditto.
7037 * function.c: Ditto.
7038 * tree-vectorizer.c: Ditto.
7040 * ipa-type-escape.c: Ditto.
7042 * tree-if-conv.c: Ditto.
7045 * tree-data-ref.c: Ditto.
7046 * loop-unroll.c: Ditto.
7047 * treelang/treetree.c: Ditto.
7050 * ggc-common.c: Ditto.
7052 * coverage.c: Ditto.
7054 * tree-cfgcleanup.c: Ditto.
7055 * tree-ssa-pre.c: Ditto.
7056 * cfgcleanup.c: Ditto.
7057 * loop-invariant.c: Ditto.
7059 * ipa-prop.c: Ditto.
7060 * print-tree.c: Ditto.
7061 * conflict.c: Ditto.
7062 * ggc-page.c: Ditto.
7063 * sched-deps.c: Ditto.
7064 * regclass.c: Ditto.
7065 * tree-object-size.c: Ditto.
7067 * bb-reorder.c: Ditto.
7068 * resource.c: Ditto.
7069 * var-tracking.c: Ditto.
7071 * df-problems.c: Ditto.
7072 * reg-stack.c: Ditto.
7075 * sched-rgn.c: Ditto.
7076 * tree-ssa-structalias.c: Ditto.
7077 * tree-ssa-reassoc.c: Ditto.
7078 * config/darwin-c.c: Ditto.
7079 * config/darwin.c: Ditto.
7080 * config/arm/arm.c: Ditto.
7082 * collect2.c: Ditto.
7085 2006-01-31 Nicolas Pitre <nico@cam.org>
7087 * arm.md (smaxsi3): Make aware of smax_m1.
7090 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7092 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7094 2006-01-31 Richard Guenther <rguenther@suse.de>
7096 * doc/invoke.texi (-msselibm): Document.
7097 * target.h (expand_library_builtin): New target hook.
7098 * builtins.c (expand_builtin): Use expand_library_builtin.
7099 (default_expand_library_builtin): New function.
7100 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7101 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7102 (link_gcc_math_spec): Declare.
7103 (static_specs): Add link_gcc_math_spec.
7104 * expr.h (default_expand_library_builtin): Declare.
7105 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7106 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7107 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7108 * config/i386/i386.opt (msselibm): New target option.
7109 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7110 (ix86_init_sse_abi_builtins): New function.
7111 (ix86_expand_library_builtin): Likewise.
7112 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7113 (override_options): Handle error conditions wrt -msselibm.
7114 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7115 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7116 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7119 2006-01-31 Richard Guenther <rguenther@suse.de>
7120 Paolo Bonzini <bonzini@gnu.org>
7122 * doc/install.texi (--disable-libgcc-math): Document.
7124 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7126 * expr.h (expand_normal): new inline function.
7127 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7129 * dwarf2out.c: use it.
7134 * config/sparc/sparc.c: use it.
7135 * config/i386/i386.c: use it.
7136 * config/rs6000/rs6000.c: use it.
7137 * config/arm/arm.c: use it.
7138 * config/mips/mips.c: use it.
7139 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7141 2006-01-30 Roger Sayle <roger@eyesopen.com>
7143 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7144 argv to the appropriate type.
7146 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7148 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7151 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7154 * config/s390/s390.c (struct machine_function): New flag
7155 decomposed_literal_pool_addresses_ok_p.
7156 (s390_reorg): Set it before final stage of literal pool transforms.
7157 (s390_decompose_address): Only accept displacements of the form
7158 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7160 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7162 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7163 the comparison routine return.
7165 2006-01-30 Michael Matz <matz@suse.de>
7167 * global.c (find_reg): Only evict for global regs.
7168 Take n_refs into account and dump more info.
7170 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7173 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7174 (pragma_trap, pragma_nosave_low_regs): Likewise.
7175 (current_function_anonymous_args): Likewise.
7176 (sh_deferred_function_attributes): New variable.
7177 (sh_deferred_function_attributes_tail): Likewise.
7178 (print_operand): For '@', look up trap_exit attribute.
7179 (calc_live_regs): Look up trapa_handler attribute. For trapa
7180 handlers, save/restore fpscr, but don't do any other
7181 interrupt-specific saves.
7182 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7183 Fix check for partially saved registers to check for SHmedia.
7184 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7185 (sh_output_function_epilogue): Don't clear any of the removed
7187 (sh_insert_attributes): Don't check pragma_interrupt.
7188 Insert deferred attributes. Check that interrupt attribute is
7189 present for other attributes that require its presence.
7190 (sh_attribute_table): Add new attributes trapa_handler and
7192 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7193 Don't check for pragma_interrupt. Don't store argument.
7194 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7195 (sh_deferred_function_attributes): Declare.
7196 (sh_deferred_function_attributes_tail): Likewise.
7197 * sh.md (sp_switch_1): Add operand. Change generator caller.
7198 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7199 (*return_i): Don't use when trap_exit attribute is in effect.
7200 (*return_trapa): New insn pattern.
7202 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7203 setting c_target_objs and cxx_target_objs.
7204 * t-sh: Add rule for sh-c.o.
7206 2006-01-30 Richard Guenther <rguenther@suse.de>
7209 * gimplify.c (gimplify_target_expr): Handle easy cases
7210 without creating a temporary.
7212 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7214 * vec.h (safe_grow): Remove duplicated line.
7216 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7219 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7220 (expand_omp): ... here.
7221 (expand_omp_parallel): Only remove barriers for combined
7222 parallel+workshare constructs.
7224 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7228 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7229 * tree.c (build_qualified_type): Chain the new type to the original
7230 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7231 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7232 (build_pointer_type_for_mode): Only return unqualified types.
7233 (build_reference_type_for_mode): Likewise.
7235 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7237 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7238 * Makefile.in (CXX_COMPAT_WARN): Define.
7239 * configure: Regenerate.
7241 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7244 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7247 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7249 * toplev.c: Fix thinko.
7251 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7252 Marcin Dalecki <martin@dalecki.de>
7254 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7255 (push_srcloc): Use XNEW.
7256 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7258 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7260 * df-core.c (df_set_blocks): Deleted all variable.
7262 2006-01-28 Ian Lance Taylor <ian@airs.com>
7264 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7265 cgraph_output_pending_asms.
7267 2006-01-28 Zack Weinberg <zackw@panix.com>
7269 * c.opt: Add -W(no-)overlength-strings.
7270 * doc/invoke.texi: Document it.
7271 * c-opts.c (c_common_handle_option): -pedantic implies
7272 -Woverlength-strings, if not explicitly disabled already.
7273 (c_common_post_options): -Woverlength-strings defaults to off, and
7274 is always off for C++.
7275 * c-common.c (fix_string_type): Issue warning about strings longer
7276 than is portable only if warn_overlength_strings. Rearrange code
7277 a little for clarity.
7278 * configure.in: Check for -Wno-overlength-strings as well before
7279 enabling -pedantic in stage 1.
7280 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7281 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7283 * genconditions.c (write_header, write_one_condition)
7284 (write_conditions, write_writer): Consolidate very long strings
7285 that were broken up to fit in C89 portable limit. Don't use
7286 printf when fputs will do.
7288 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7290 * combine.c (simplify_comparison <AND>): Check
7291 TRULY_NOOP_TRUNCATION before start using a subreg.
7293 * config/mips/mips.md (*branch_zero<mode>,
7294 *branch_zero<mode>_inverted, *branch_equality<mode>,
7295 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7296 Remove mode check from comparisons.
7298 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7300 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7302 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7304 * expmed.c (const_mult_add_overflow_p): Remove.
7305 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7307 * recog.c (validate_replace_rtx_subexp): Remove.
7308 * recog.h: Remove the prototype for
7309 validate_replace_rtx_subexp.
7311 * integrate.h: Remove the prototype for
7312 copy_decl_for_inlining.
7313 * rtl.h: Remove the prototype for mark_constant_function.
7314 * tree-vectorizer.h: Remove the prototype for
7315 vect_strip_conversion.
7317 * modulo-sched.c (create_partial_schedule,
7318 free_partial_schedule, reset_partial_schedule): Make them
7321 * hooks.c (hook_bool_rtx_int_false): Remove.
7322 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7324 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7326 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7327 and -mlong-double-128 are incompatible.
7328 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7329 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7330 (TARGET_LIBGCC2_CFLAGS): Define.
7331 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7332 (TARGET_LIBGCC2_CFLAGS): Same.
7333 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7335 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7338 * c-typeck.c (build_binary_op): Perform implicit casts of
7339 operands before shortening them.
7341 * cfgloopmanip.c (split_loop_bb): Remove.
7342 * cfgloop.h: Remove the prototype for split_loop_bb.
7344 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7345 * cfgloop.h: Remove the prototype for
7346 flow_loop_outside_edge_p.
7348 * emit-rtl.c (init_virtual_regs): Make it static.
7349 * function.h: Remove the prototype for init_virtual_regs.
7351 * recog.c (peephole2_optimize): Make it static.
7352 * recog.h: Remove the prototype for peephole2_optimize.
7354 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7356 * df-scan.c (df_record_entry_block_defs): Check if
7357 INCOMING_RETURN_ADDR_RTX is defined.
7359 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7360 Kenneth Zadeck <zadeck@naturalbridge.com>
7362 PR rtl-optimization/24762
7363 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7364 * targhooks.c (hook_void_bitmap): New hook prototype.
7365 * targhoohs.h (hook_void_bitmap): Ditto.
7366 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7367 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7368 * target.h (live_on_entry): New function pointer.
7369 * df-scan.c (df_all_hard_regs): Removed.
7370 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7371 (df_scan_free_internal): Added df->entry_block_defs.
7372 (df_scan_alloc): Ditto.
7373 (df_scan_dump): Ditto.
7374 (df_uses_record): Plumbed flag field properly thru calls.
7375 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7376 This part fixes PR24762.
7377 (df_bb_refs_record): Added code to make the frame and arg
7378 pointers live in EH blocks.
7379 (df_refs_record): Added call to df_record_entry_block_defs.
7380 (df_record_entry_block_defs): New function.
7381 * df-core.c: Added comments to describe new artifical defs.
7382 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7383 (entry_block_defs): New field in struct df.
7384 (df_all_hard_regs): Deleted.
7385 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7386 * df-problems.c (df_ru_bb_local_compute_process_def):
7387 Added code to handle artifical defs in the entry to a function.
7388 (df_ru_bb_local_compute): Ditto.
7389 (df_rd_bb_local_compute_process_def): Ditto.
7390 (df_rd_bb_local_compute): Ditto.
7391 (df_lr_bb_local_compute): Ditto.
7392 (df_ur_bb_local_compute): Ditto.
7393 (df_urec_bb_local_compute): Ditto.
7394 (df_chain_create_bb): Ditto.
7395 (df_ur_local_finalize): Removed entry.
7396 (df_urec_init): Ditto.
7397 (df_urec_local_finalize): Ditto.
7398 (df_ri_bb_compute): Added detection of last use of pseudos.
7399 * Makefile.in (df-scan.o): Updated dependencies.
7400 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7401 * config/mips/mips.c (mips_set_live_on_entry): Added.
7402 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7404 * dce.c (marked_insn_p): Added code to handle artifical defs.
7406 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7408 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7410 (_mm_cvtsi128_si64): Likewise.
7411 (_mm_cvtsd_si64): Likewise.
7412 (_mm_cvttsd_si64): Likewise.
7413 (_mm_cvtsi64_sd): Likewise.
7414 (_mm_cvtsi64_si128): Likewise.
7415 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7416 (_mm_cvtsi64_m64): Likewise.
7417 (_m_to_int64): Likewise.
7418 (_mm_cvtm64_si64): Likewise.
7419 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7420 (_mm_cvttss_si64): Likewise.
7421 (_mm_cvtsi64_ss): Likewise.
7422 (_mm_cvtss_f32): Likewise.
7424 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7426 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7427 for pragma redefine_extname.
7429 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7432 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7433 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7434 -mno-minimal-toc to previous content.
7435 (bispecs): Remove goal.
7436 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7437 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7438 compatibility aliases on powerpc-*-*gnu*.
7439 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7440 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7441 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7442 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7443 (ldblspecs): New goal.
7444 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7445 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7447 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7448 L_sf_to_tf or L_df_to_tf is defined.
7450 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7451 Alan Modra <amodra@bigpond.net.au>
7454 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7455 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7456 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7457 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7458 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7459 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7460 (rs6000_override_options): Initialize rs6000_ieeequad.
7461 Initialize TFmode format to ibm_extended_format if not
7463 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7465 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7466 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7467 (function_arg_advance): IBM long double passed in two FPRs, not
7469 (function_arg): IBM long double passed in FPRs.
7470 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7471 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7472 Only multireg GPR aligned.
7473 (rs6000_init_libfuncs): Enable IBM long double functions if not
7475 (rs6000_generate_compare): Use IBM long double compare if not
7477 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7478 (TARGET_IEEEQUAD): Define.
7479 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7480 not TARGET_IEEEQUAD.
7481 * config/rs6000/rs6000.md: Enable TFmode patterns if
7483 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7484 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7485 and -mlong-double-128 are incompatible.
7486 * doc/invoke.texi (-mabi): Collect options together. Add
7487 ibmlongdouble and ieeelongdouble.
7489 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7491 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7493 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7494 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7495 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7496 * rtl.h (rtunion_def): Remove rt_ptr.
7498 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7499 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7500 * config/i386/winnt.c (i386_pe_mark_dllexport)
7501 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7503 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7505 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7507 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7511 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7512 pthread_key_delete. From John David Anglin. gthrw-ify
7513 pthread_getunique_np only if it it's not a macro. Delete
7515 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7516 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7517 __gthread_objc_condition_signal, __gthread_key_delete): Add
7518 "__attribute__ ((__unused__))" to unused arguments.
7519 (__gthread_recursive_mutex_init_function): Add missing return.
7520 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7521 gthr-posix95.h: Use macro-based approach for name redirection
7522 on targets missing weakref.
7524 2006-01-26 Zack Weinberg <zackw@panix.com>
7526 * genconditions.c (write_header): In generated code, #ifdef out
7527 all includes and fake declarations, except includes of bconfig.h
7528 and system.h, unless GCC_VERSION >= 3001. Do not include
7529 gensupport.h in any case.
7530 (write_conditions): Generate a definition of struct c_test. Add
7531 a comment to the generated #endif.
7532 (write_one_condition): Escape backslashes in string too.
7533 (write_writer): Generated code must escape backslashes and quote
7534 marks (but not newlines) in the strings it writes.
7535 * Makefile.in (build/gencondmd.o): Update dependencies.
7537 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7540 * Makefile.in (insn-automata.o): Add header file dependencies.
7541 * genautomata.c: Add includes.
7543 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7546 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7548 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7550 * configure.ac: Expect target tools paths to be passed from the toplevel
7551 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7553 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7555 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7558 * c.opt (Wpointer-sign): Init to -1.
7559 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7560 OPT_pedantic, to 0 otherwise.
7561 * doc/invoke.texi: Update.
7563 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7565 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7566 constants provided by 80387 instructions in the destination mode.
7568 2006-01-26 Richard Guenther <rguenther@suse.de>
7569 Andrew Pinski <pinskia@physics.uc.edu>
7572 partial PR tree-opt/17064
7573 * tree-ssa-structalias.c (intra_create_variable_infos):
7574 Create heap variables for incoming parameters if
7575 flag_argument_noalias > 1.
7576 (find_what_p_points_to): Look through default defs of
7579 2006-01-26 Jeff Law <law@redhat.com>
7582 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7583 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7584 within the VR_RANGE, use the VR_RANGE as the result, not the
7586 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7587 bounds for the type.
7589 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7591 * tree-ssa-alias.c (maybe_create_global_var): Change
7592 subvar walking to an assertion that we don't have subvar'd variables.
7594 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7597 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7598 Use a new variable, inner. PARM_DECLs are always non-weak.
7600 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7602 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7605 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7607 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7609 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7611 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7612 (smax_insn, smin_insn, smax_0, smin_0): New.
7614 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7617 * config/cris/cris.c (cris_order_for_addsi3): New function.
7618 * config/cris/cris-protos.h: Prototype it.
7619 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7620 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7621 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7622 (split for "op.S1 [rx=rx+i],ry (swapped)")
7623 (split for "op(s|u).S1 [rx=rx+i],ry")
7624 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7625 Apply cris_order_for_addsi3 when generating addsi3 insns.
7627 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7629 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7630 (TREE_BLOCK): Add call to EXPR_CHECK.
7632 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7635 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7636 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7637 (dump_omp_clauses): ... here.
7638 (dump_generic_node): Handle OMP_CLAUSE.
7639 * tree.c (omp_clause_num_ops): New.
7640 (omp_clause_code_name): New.
7641 (tree_code_size): Handle OMP_CLAUSE.
7642 (tree_size): Likewise.
7643 (make_node): Document handling of OMP_CLAUSE.
7644 (tree_node_structure): Handle OMP_CLAUSE.
7645 (omp_clause_check_failed): New.
7646 (omp_clause_range_check_failed): New.
7647 (omp_clause_operand_check_failed): New.
7648 (build_omp_clause): New.
7649 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7650 * tree.h (enum omp_clause_code): Declare.
7651 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7652 (OMP_CLAUSE_RANGE_CHECK): Define.
7653 (OMP_CLAUSE_ELT_CHECK): Define.
7654 (omp_clause_check_failed): Declare.
7655 (omp_clause_operand_check_failed): Declare.
7656 (omp_clause_range_check_failed): Declare.
7657 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7658 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7659 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7660 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7661 (OMP_CLAUSE_IF_EXPR): Likewise.
7662 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7663 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7664 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7665 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7666 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7667 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7668 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7669 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7670 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7671 (OMP_CLAUSE_CODE): Define.
7672 (OMP_CLAUSE_SET_CODE): Define.
7673 (OMP_CLAUSE_CODE): Define.
7674 (OMP_CLAUSE_OPERAND): Define.
7675 (struct tree_omp_clause): Declare.
7676 (union tree_node): Add field 'omp_clause'.
7677 * treestruct.def (TS_OMP_CLAUSE): Define.
7678 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7679 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7680 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7681 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7682 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7683 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7684 (OMP_CLAUSE): Define.
7685 * print-tree.c (print_node): Handle OMP_CLAUSE.
7686 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7687 * c-typeck.c: Likewise.
7688 * gimplify.c: Likewise.
7689 * c-omp.c: Likewise.
7690 * tree-nested.c: Likewise.
7691 * tree-inline.c: Likewise.
7692 * c-parser.c: Likewise.
7693 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7696 2006-01-25 Roger Sayle <roger@eyesopen.com>
7698 PR rtl-optimization/25703
7699 * combine.c (try_combine): Handle zero_extract and strict_low_part
7700 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7702 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7704 * global.c: Fix comment typos.
7706 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7709 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7710 Use output_addr_const instead of assemble_name.
7712 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7714 * Makefile.in (sched-vis.o): Update dependencies.
7715 * haifa-sched.c (sched_finish): Clear current_sched_info.
7716 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7717 (dump_flow_info): Call it.
7718 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7720 * basic-block.h (dump_bb_info): Declare.
7721 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7722 option, and apply options only for dump files whose TDF_RTL,
7723 TDF_TREE, or TDF_IPA bits match.
7724 * rtl.h: Declare new functions exported from sched-vis.c.
7725 * sched-vis.c: Enable also if scheduling is not used.
7726 (print_value): Print the mode of registers if not inside scheduling.
7727 (print_insn): Make it work outside the scheduler. Beautify the output
7729 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7731 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7733 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7734 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7735 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7736 depending on the value of CONSTANT_POOL_ADDRESS_P.
7737 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7739 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7740 rather than SYMBOL_REF_DECL.
7741 (rtx_constant_pool): Remove const_rtx_sym_htab.
7742 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7743 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7744 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7745 Remove handling of const_rtx_sym_htab.
7746 (find_pool_constant): Delete.
7747 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7748 rather than find_pool_constant.
7749 (get_pool_constant_for_function): Delete.
7750 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7752 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7753 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7754 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7755 (SYMBOL_REF_CONSTANT): New macro.
7756 (get_pool_constant_for_function): Delete.
7757 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7758 rather than SYMBOL_REF_DECL.
7759 (i386_pe_mark_dllimport): Likewise.
7760 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7761 rather than SYMBOL_REF_DECL.
7762 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7763 (machopic_indirect_call_target): Likewise.
7765 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7767 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7769 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7771 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7773 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7775 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7777 2006-01-24 David Daney <ddaney@avtrex.com>
7780 * configure.ac (enable_tls): New enable option.
7781 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7782 * configure: Regenerate.
7783 * doc/install.texi (--enable-tls): Document new option.
7784 (--disable-tls): Ditto.
7786 2006-01-24 Richard Henderson <rth@redehat.com>
7788 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7789 * alias.c (true_dependence): Respect it.
7790 (canon_true_dependence, write_dependence_p): Likewise.
7791 * builtins.c (get_builtin_sync_mem): Set it.
7793 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7795 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7798 2006-01-24 DJ Delorie <dj@redhat.com>
7800 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7801 for storing constants in single-bit bitfields.
7803 2006-01-25 Ben Elliston <bje@au.ibm.com>
7805 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7807 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7810 * tree-ssa-pre.c (phi_translate): Return NULL
7811 for AGGREGATE_TYPE's.
7813 2006-01-24 Zack Weinberg <zackw@panix.com>
7815 * genautomata.c (process_state_for_insn_equiv_partition):
7816 Use xcalloc for insn_arcs_array.
7817 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7818 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7820 2006-01-24 Richard Henderson <rth@redhat.com>
7822 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7825 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7827 PR rtl-optimization/25890
7828 PR rtl-optimization/25905
7829 * combine.c (expand_compound_operation, expand_field_assignment):
7830 Fail if the bitfield's final position is out of bounds.
7832 2006-01-24 Ian Lance Taylor <ian@airs.com>
7835 * cgraphunit.c (cgraph_output_in_order): Don't clear
7836 cgraph_asm_nodes until after asm strings have been output.
7838 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7840 * fix-header.c (read_scan_file): Add new parameter imultilib when
7841 calling register_include_chains.
7843 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7845 * omp-low.c: Update documentation.
7847 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7848 Daniel Berlin <dberlin@dberlin.org>
7852 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7853 return from the function.
7855 2006-01-22 Zack Weinberg <zackw@panix.com>
7857 * rtl.def (match_code): Add second argument.
7858 * genpreds.c (write_extract_subexp): New function.
7859 (write_match_code): Add path argument. Use write_extract_subexp.
7860 (write_predicate_expr): Pass path to write_match_code.
7861 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7862 not perform a mode test.
7863 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7864 a subexpression does not constrain the top-level code set.
7865 * read-rtl.c (read_rtx_variadic): New function.
7866 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7867 * doc/md.texi: Document new notation.
7868 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7869 (cmpsi_operand): ... here, using new notation.
7871 2006-01-22 Zack Weinberg <zackw@panix.com>
7873 * varray.c: Remove GENERATOR_FILE #ifdefs.
7875 2006-01-22 Zack Weinberg <zackw@panix.com>
7877 * genautomata.c (output_reserved_units_table): Emit nothing if
7878 description->query_units_num is zero. Remove extra blank line.
7879 (output_cpu_unit_reservation_p): Short circuit
7880 if description->query_units_num is zero.
7882 2006-01-22 Zack Weinberg <zackw@panix.com>
7884 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7885 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7886 nor any of the random handful of variables that used to be necessary
7887 when this program was linked with rtlanal.o. Prune set of forward
7888 function declarations.
7889 (struct attr_desc): Remove static_p field.
7890 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7891 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7892 (attr_string): Do not read the character one past the length of
7894 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7895 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7896 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7897 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7898 (make_automaton_attrs): New.
7899 (main): Do not call into genautomata. Call local gen_bypass
7900 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7901 Remove special case for insn_alts.
7902 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7903 varray.h (leftover from previous change). Prune set of forward
7904 function declarations. Remove state_alts fields from all
7905 structures. Remove state_alts_table from struct automaton.
7906 Make everything except main static. Do not maintain num_dfa_decls.
7907 Do not maintain state_alts fields of various structures.
7908 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7909 (add_arc): Remove state_alts argument. All callers updated.
7910 (output_reserved_units_table): Emit #ifdef here...
7911 (output_tables): ...not here. Don't generate state_alts tables.
7912 (expand_automata): Don't generate attributes.
7913 (write_automata): Don't generate state_alts functions.
7914 (main): New function.
7915 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7916 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7917 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7918 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7919 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7920 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7921 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7922 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7924 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7925 * genattrtab.h: Delete file.
7926 * Makefile.in (OBJS-common): Add insn-automata.o.
7927 (insn-automata.o): New rule.
7928 (simple_generated_c): Add insn-automata.c.
7929 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7930 (genprogmd): Add automata.
7931 (build/genattrtab): Needs no extra objects nor libraries.
7932 (build/genautomata): Needs build/vec.o and -lm.
7934 2006-01-22 Zack Weinberg <zackw@panix.com>
7936 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7937 (output_dfa_max_issue_rate, locked_states_num): Delete.
7938 (struct automaton): Add locked_states field.
7939 (output_dead_lock_vect): Save number of locked states in
7940 automaton->locked_states. If it is zero, don't print anything.
7941 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7942 (output_internal_dead_lock_func): Only test the dead_lock_vect
7943 for automata that have locked states.
7944 (output_statistics): Always print the number of locked states for
7945 each automaton. Calculate total number of locked states here.
7946 (write_automata): Don't call output_dfa_max_issue_rate.
7947 * genattrtab.c: Define length_unit_log as a const variable.
7948 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7949 max_insn_queue_index const.
7950 * final.c (length_unit_log): Declare const.
7951 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7953 2006-01-22 Zack Weinberg <zackw@panix.com>
7955 * genautomata.c: Include vec.h, not varray.h.
7956 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7957 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7958 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7959 VEC_* macros operating on appropriately typed vectors, or to
7960 malloced arrays when the size is known in advance. Const-ify
7961 many char* variables and function arguments. No functional changes.
7962 * Makefile.in (build/varray.o): Delete rule.
7963 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7964 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7966 2006-01-22 Zack Weinberg <zackw@panix.com>
7968 * gensupport.c: Define get_insn_name and record_insn_name here.
7969 (read_md_rtx): Call record_insn_name as appropriate.
7970 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7971 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7972 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7974 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7975 (BUILD_VARRAY): Delete.
7976 (genprognormal): Rename genprogmd. Fold in all programs from
7977 genprognoprint; also attrtab.
7978 (build/genattrtab): Just mention genautomata.o and varray.o.
7979 Reorganize a bit, add comments to make the categories clearer.
7981 2006-01-22 Zack Weinberg <zackw@panix.com>
7983 * genconditions.c (condition_table, add_condition): Delete.
7984 (write_conditions): Don't emit n_insn_conditions nor
7985 insn_elision_unavailable. Issue the gcc version #ifdef here,
7986 inside the table, with no #else clause ...
7987 (write_header): ...not here.
7988 (write_writer): New function.
7989 (main): Don't initialize condition_table. Use add_c_test.
7991 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7992 files on the command line.
7993 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7994 Return -1 if there is no entry in the table, don't abort.
7995 (add_c_test, traverse_c_tests): New functions.
7996 * gensupport.h (insn_elision_unavailable, insn_conditions)
7997 (n_insn_conditions): Delete declarations.
7998 (add_c_test, traverse_c_tests): Declare.
7999 * read-rtl.c: Include gensupport.h.
8000 (read_conditions): New function.
8001 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8002 (read_rtx_1): If we get EOF when we were looking for an initial
8003 open paren, return 0. Call read_conditions when appropriate.
8004 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8005 dummy-conditions.o. Eliminate references to insn-conditions.o,
8006 or change them to build/gencondmd.o, as appropriate. Remove
8007 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8008 from $(simple_generated_c). For all files remaining in those
8009 two lists, add insn-conditions.md to the generator command line.
8010 Give insn-constants.h/s-constants their own rules. Add rules
8011 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8012 (build/read-rtl.o): Depend on gensupport.h.
8013 (genprognormal): Include preds.
8014 (genprogearly): Rename genprognoprint; only difference is now that
8015 they don't link with $(BUILD_PRINT).
8016 * dummy-conditions.c: Delete.
8018 2006-01-22 Zack Weinberg <zackw@panix.com>
8020 * genextract.c: Don't include insn-config.h. Do include vec.h.
8021 Declare vectors of int, char, and locstr.
8022 (locstr): New typedef.
8023 (struct extraction): Make all array fields into bare pointers.
8024 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8025 (insn_code_number): Delete.
8026 (accum_extract): New struct.
8027 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8028 (gen_insn): Take insn_code_number as an argument. Use an
8029 accum_extract structure instead of loading data directly into
8030 a struct extraction, and having to know how big it might get.
8031 (walk_rtx): Operate entirely on an accum_extract structure.
8032 (print_path): Avoid unnecessary use of printf.
8033 (print_header): New function, split out of main. Distinguish
8034 more carefully between an unrecognizable insn and an insn that
8035 has the code number of a define_expand.
8036 (main): Pass insn_code_number to gen_insn. Call print_header
8037 only after parsing. Avoid unnecessary use of printf.
8038 * Makefile.in (build/vec.o): New rule.
8039 (build/genextract): Depend on build/vec.o.
8040 (build/genextract.o): Don't depend on insn-config.h.
8042 2006-01-22 Zack Weinberg <zackw@panix.com>
8044 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8045 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8046 practical. Eliminate per-generator-program link rules.
8048 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8051 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8052 with a call expr to ...
8053 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8055 2006-01-23 Richard Guenther <rguenther@suse.de>
8057 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8058 before make_edge with conditional EDGE_TRUE_VALUE.
8060 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8061 Jan Hubicka <jh@suse.cz>
8062 Richard Guenther <rguenther@suse.de>
8064 PR rtl-optimization/25654
8065 * cfgexpand.c (aggregate_contains_union_type): New function.
8066 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8067 for structure variables that contain a union type.
8069 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8071 * gengtype.c (new_structure): Return the structure.
8072 (create_option): Add an extra "next" argument.
8073 (create_field): New function.
8074 (adjust_field_rtx_def): Use create_option and create_field.
8075 Remove a now-unnecessary call to find_structure.
8076 (adjust_field_tree_def): Likewise.
8077 (note_yacc_type): Remove an unnecessary call to find_structure.
8078 * gengtype.h (new_structure): Return the structure.
8079 (create_option): Add an extra argument.
8080 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8081 (option): Adjust calls to create_option.
8083 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8085 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8087 2006-01-22 Paul Brook <paul@codesourcery.com>
8088 Peter Barada <peter@the-baradas.com>
8090 * config/m68k/m68k.md: Add Coldfire FPU support.
8091 Define FP mode macro and associated attributes.
8092 Use it for float mode patterns.
8093 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8094 (LIBCALL_VALUE): Use m68k_libcall_value.
8095 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8096 (m68k_function_value): Ditto.
8097 (emit_move_sequence): Ditto.
8098 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8099 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8100 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8101 (MULTILIB_EXCEPTIONS): Ditto.
8102 * config/m68k/m68k.opt: Add mcfv4e.
8103 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8104 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8105 (m68k_output_function_prologue): Save ColdFire FPU registers.
8106 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8107 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8108 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8109 ColdFire FPU registers.
8110 (m68k_libcall_value, m68k_function_value): New functions.
8111 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8112 (LIBCALL_VALUE): Use m68k_libcall_value.
8113 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8114 (MASK_COLDFIRE): Add MASK_CFV4E.
8115 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8116 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8117 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8118 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8119 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8120 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8121 * doc/invoke.tex: Document -mcfv4e on m68k.
8123 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8125 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8128 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8131 * c-opts.c (c_common_handle_option): Don't include
8132 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8133 * doc/invoke.texi (C++ Dialect Options): Document that
8134 -Wnon-virtual-dtor is no longer included in -Wall.
8136 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8138 * gcov.c (print_version), gcov-dump.c (print_version),
8139 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8142 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8144 * df-scan.c (problem_SCAN): Added NULL reset function.
8145 (df_scan_reset_blocks): Added code to call reset block function
8146 (df_bb_refs_delete) Fixed comment.
8147 (df_insn_refs_delete): Made tolerant of deleting non existent info
8148 for dataflow problems that need to be reset.
8149 * df-core.c (df_set_blocks): Ditto.
8150 * df.h (struct df_problem): Added reset_fun.
8151 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8152 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8153 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8154 functions to clear out all references to def-use or use-def chains.
8156 2006-01-21 Ben Elliston <bje@au.ibm.com>
8158 * varasm.c (assemble_real): Initialise data array.
8160 2006-01-20 Paul Brook <paul@codesourcery.com>
8162 Merge from csl-arm-branch.
8163 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8164 * config/arm/arm.md (movdi): Force operands[1] to a register
8165 if we have a non-register source.
8166 (*arm_movdi, *movdf_soft_insn): Require that one of the
8167 operands be a register.
8168 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8169 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8171 2006-01-20 DJ Delorie <dj@redhat.com>
8173 * varasm.c (initialize_constant_valid_p): Allow pointers
8174 initialized from integer constants of lesser precision.
8175 (output_constant): Allow non-int-sized pointer modes to be
8176 initialized from integer constants.
8178 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8181 * cppdefault.h (struct default_include): Add multilib flag.
8182 * cppdefault.c (cpp_include_defaults): Set it.
8183 * c.opt (-imultilib): New option.
8184 * c-opts.c (imultilib): New.
8185 (c_common_handle_option): Handle -imultilib.
8186 (c_common_post_options): Likewise.
8187 * c-incpath.c (add_standard_paths, register_include_chains):
8189 * c-incpath.h (register_include_chains): Add extra parameter.
8190 * gcc.c (do_spec_1): Generate -imultilib option.
8191 (The Specs Language): Update %I description.
8192 (process_command): Update copyright notice.
8193 * doc/cppopts.texi (-imultilib): Document.
8194 * doc/invoke.texi (-imultilib): Include in option summary.
8195 (%I): Update specs documentation.
8197 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8199 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8201 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8203 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8206 2006-01-20 Richard Guenther <rguenther@suse.de>
8207 Steven Bosscher <stevenb.gcc@gmail.com>
8209 PR rtl-optimization/24626
8210 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8211 EDGE_TRUE_VALUE if in RTL mode.
8214 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8215 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8217 2006-01-20 Dirk Mueller <dmueller@suse.com>
8220 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8221 instead of a special NOP marker.
8222 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8223 NOP marker handling.
8224 * c-common.h (empty_body_warning): Add forward declaration.
8225 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8226 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8228 2006-01-20 Paul Brook <paul@codesourcery.com>
8230 * Makefile.in (lang_checks): Keep going if mkdir fails.
8232 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8234 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8235 be able to clean out basic block when not necessary.
8236 (df_scan_free): Fixed to properly delete information if df is
8237 unused before calling df_finish.
8238 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8239 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8241 (df_bb_refs_delete): New function.
8242 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8243 * df-core.c (df_set_blocks): Added code to properly clean out
8244 unused blocks if they are not part of the blocks to consider.
8245 Added additional null check.
8246 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8247 be able to clean out basic block when not necessary
8248 * df.h (df_free_bb_function): Ditto.
8249 (df_bb_refs_delete): New function.
8250 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8251 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8252 basic block parameter to be able to clean out basic block when not
8254 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8255 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8256 Fixed to properly delete information if df is unused before
8259 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8261 PR rtl-optimization/25799
8262 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8263 Corrected confluence operator to remove bits from op2 before oring
8264 with op1 rather than removing bits from op1.
8265 (df_ru_transfer_function): Corrected test on wrong bitmap which
8266 caused infinite loop. Both of these problems were introduced in
8267 the dataflow rewrite.
8269 2006-01-19 DJ Delorie <dj@redhat.com>
8271 * reload1.c (find_reload_regs): Note the details of reload
8272 failures in the dump file.
8273 (spill_failure): Likewise.
8275 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8277 * loop-iv.c: Include df.h and hashtab.h.
8278 (enum iv_grd_result): New enum.
8279 (DF_REF_IV, DF_REF_IV_SET): New macros.
8280 (struct biv_entry): New.
8281 (df, bivs): New global variables.
8282 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8283 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8285 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8286 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8287 analyzed_for_bivness_p, record_biv): New functions.
8288 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8289 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8290 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8292 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8294 (iv_number_of_iterations): Use new interface to iv analysis.
8295 * loop-unroll.c: Do not include varray.h.
8296 (analyze_iv_to_split_insn): Use new interface to iv
8298 * loop-unswitch.c (may_unswitch_on): Ditto.
8299 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8301 (df_bb_modify): Realloc tables to the new index.
8302 (df_find_use): New function.
8303 * df.h (df_find_use): Declare.
8304 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8306 * cfgloop.h (struct rtx_iv): Remove analysed field.
8307 (iv_get_reaching_def): Removed.
8308 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8309 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8310 (loop-iv.o): Add df.h and hashtab.h dependency.
8311 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8313 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8316 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8318 (__floatundisf, __floatundidf): Likewise.
8319 * libgcc2.h (IS_IBM_EXTENDED): Define.
8321 2006-01-19 DJ Delorie <dj@redhat.com>
8323 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8325 2006-01-19 Paul Brook <paul@codesourcery.com>
8327 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8328 as nothrow when unwinding tables are disabled.
8330 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8333 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8334 of bit-field" when in system header.
8336 2006-01-19 DJ Delorie <dj@redhat.com>
8338 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8339 the 16 bit shift limit of the m16c.
8341 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8344 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8345 * config/i386/i386.c (output_set_got): Output the label if we have one
8346 for the TARGET_DEEP_BRANCH_PREDICTION case.
8348 2006-01-19 Jan Hubicka <jh@suse.cz>
8349 H.J. Lu <hongjiu.lu@intel.com>
8350 Evandro Menezes <evandro.menezes@amd.com>
8352 * invoke.texi (generic): Document
8354 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8355 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8356 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8357 (x86_use_incdec, x86_pad_returns): New variables
8358 (TARGET_CPU_DEFAULT_generic): New constant
8359 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8360 (enum processor_type): Add generic32 and generic64.
8361 * i386.md (cpu attribute): Add generic32/generic64
8362 (movhi splitter): Behave sanely when both partial_reg_dependency and
8363 partial_reg_stall are set.
8364 (K8 splitters): Enable for generic as well.
8365 * predicates.md (incdec_operand): Use TARGET_INCDEC
8366 (aligned_operand): Avoid memory mismatch stalls.
8367 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8368 * ppro.md: Enable for generic32
8369 * i386.c (generic64_cost, generic32_cost): New.
8370 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8371 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8372 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8373 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8374 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8375 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8376 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8377 x86_accumulate_outgoing_args, x86_prologue_using_move,
8378 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8379 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8381 (x86_use_incdec, x86_pad_returns): New.
8382 (override_options): Add generic32 and generic64, translate "generic"
8383 to generic32/generic64 and "i686" to "generic32", refuse
8384 "generic32"/"generic64" as arch target.
8385 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8386 (ix86_reorg): Honor PAD_RETURNS.
8388 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8390 * tree-pretty-print.c (dump_generic_node): Handle
8391 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8392 * cgraph.c (cgraph_expand_queue): Rename from
8393 cgraph_analyze_queue. Update all users.
8394 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8395 cgraph_expand_queue.
8396 (cgraph_expand_all_functions): Likewise.
8397 (cgraph_finalize_pending_functions): Remove. Update callers.
8399 * tree.h (OMP_DIRECTIVE_P): Define.
8400 (OMP_PARALLEL_FN): Define.
8401 (OMP_PARALLEL_DATA_ARG): Define.
8402 (OMP_SECTIONS_SECTIONS): Define.
8403 * tree-pass.h (pass_expand_omp): Declare.
8404 * omp-low.c (struct omp_region): Declare.
8405 (struct omp_context): Remove fields 'parallel_type',
8406 'parallel_start_ix' and 'parallel_start_additional_args'.
8408 (struct omp_for_data): Rename from struct expand_omp_for_data.
8409 (omp_regions): New static variable.
8410 (root_omp_region): New static variable.
8411 (find_omp_clause): Make static.
8412 (is_in_combined_parallel_ctx): Remove.
8413 (is_combined_parallel): New.
8414 (extract_omp_for_data): Move earlier in the file.
8415 (workshare_safe_to_combine_p): New.
8416 (get_ws_args_for): New.
8417 (determine_parallel_type): Move earlier in the file.
8418 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8420 (omp_copy_decl): Likewise.
8421 (create_omp_child_function): Likewise.
8422 (lookup_omp_region): New.
8423 (dump_omp_region): New.
8424 (debug_omp_region): New.
8425 (debug_all_omp_regions): New.
8426 (new_omp_region): New.
8427 (scan_omp_parallel): If parallel_nesting_level > 1, the
8428 directive is nested within another parallel directive.
8429 Set OMP_PARALLEL_FN.
8430 (scan_omp_for): Do not try to handle combined parallel+for
8432 Remove FIXME comment.
8433 (scan_omp_nested): Remove.
8434 (scan_omp_1): Do not call scan_omp_nested when
8435 parallel_nesting_level is > 1.
8436 Do not change the DECL_CONTEXT of local variables found.
8437 (lookup_decl_in_outer_ctx): New.
8438 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8439 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8440 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8441 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8442 If CTX is nested, lookup VAR in the outer context when
8443 building copy assignment.
8444 (lower_send_clauses): Rename from expand_send_clauses.
8445 If CTX is nested, lookup VAR in the outer context when
8446 building copy assignments.
8447 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8448 If CTX is nested, lookup VAR in the outer context when
8449 building copy assignments.
8450 (expand_parallel_call): Rename from build_parallel_call.
8451 Handle combined parallel+workshare cases.
8452 Re-implement to emit code into the CFG.
8454 (expand_omp_parallel): Re-implement to emit code into the CFG.
8455 Call move_sese_region_to_fn to outline the sub-graph
8456 containing the parallel region.
8457 (expand_omp_for_1): Remove.
8458 (expand_omp_for_generic): Re-implement to emit code into the
8460 (expand_omp_for_static_nochunk): Likewise.
8461 (expand_omp_for_static_chunk): Likewise.
8462 (expand_omp_for): Likewise.
8463 (expand_omp_sections): Likewise.
8464 (remove_exit_barriers): New.
8465 (expand_omp_synch): New.
8467 (build_omp_regions_1): New.
8468 (build_omp_regions): New.
8469 (execute_expand_omp): New.
8470 (gate_expand_omp): New.
8471 (pass_expand_omp): Define.
8472 (lower_omp_sections): Rename from expand_omp_sections.
8473 Set OMP_SECTIONS_SECTIONS.
8474 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8475 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8476 (lower_omp_single): Rename from expand_omp_simple.
8477 (lower_omp_master): Rename from expand_omp_master.
8478 (lower_omp_ordered): Rename from expand_omp_ordered.
8479 (lower_omp_critical): Rename from expand_omp_critical.
8480 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8481 (lower_omp_for): Re-implement.
8482 (lower_omp_parallel): Re-implement.
8483 (lower_regimplify): Rename from expand_regimplify.
8484 (lower_omp_1): Rename from expand_omp_1.
8485 If there are syntax errors in the program, replace every
8486 OpenMP directive with NOP.
8487 Call lower_omp_* instead of expand_omp_*.
8488 (lower_omp): Rename from expand_omp.
8490 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8491 * tree-gimple.h (enum omp_parallel_type): Remove.
8492 (gimple_boolify): Declare extern.
8493 (find_omp_clause, determine_parallel_type): Remove.
8495 * gimple-low.c (lower_omp_directive): New.
8496 (lower_stmt): Call it.
8497 (record_vars_into): Move from ...
8498 (record_vars): ... here.
8499 Call record_vars_into with current_function_decl.
8501 * gimplify.c (struct gimplify_ctx): Remove fields
8502 combined_pre_p and combined_ctxp. Update users.
8503 (get_formal_tmp_var): Add documentation.
8504 (gimple_boolify): Make extern.
8505 (gimplify_expr_in_ctx): Remove. Update callers.
8506 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8507 will always be a BIND_EXPR.
8508 (gimplify_expr): Handle OMP_RETURN_EXPR.
8509 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8510 (OMP_PARALLEL): Add 3 operands.
8511 (OMP_SECTIONS): Add 1 operand.
8512 (OMP_RETURN_EXPR): Define.
8514 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8515 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8516 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8517 creating a circular free list.
8518 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8520 * tree-flow.h (move_sese_region_to_fn): Declare.
8521 (record_vars_into): Declare.
8522 * tree-cfg.c (make_omp_sections_edges): New.
8523 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8524 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8525 OMP_SECTIONS and OMP_SECTION.
8526 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8527 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8528 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8529 (gather_blocks_in_sese_region): New.
8530 (struct move_stmt_d): Declare.
8532 (move_block_to_fn): New.
8533 (move_sese_region_to_fn): New.
8535 * passes.c (init_optimization_passes): Schedule
8536 pass_expand_omp after pass_init_datastructures.
8538 * tree-ssa-operands.c (get_expr_operands): Handle
8539 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8540 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8542 2006-01-19 Jeff Law <law@redhat.com>
8544 * tree-vrp.c (extract_range_from_assert): Refine the result range
8545 if the variable referenced by the ASSERT_EXPR has a range and
8546 either the tentative result range or the previous range is a
8549 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8551 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8553 2006-01-19 Jan Hubicka <jh@suse.cz>
8555 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8557 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8559 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8560 (expand_compound_operation, expand_field_assignment): Fail if the
8561 bit lengths of an extract operation are out of range.
8562 (make_extraction): Compute wanted_inner_mode based on the position
8563 and length of the extraction. Make it extraction_mode for non-constant
8564 positions, and do not modify offset in that case. When generating a
8565 new MEM, use a mode that can hold the extraction while keeping correct
8566 alignment. Remove code that supported MEMs wrapped by USEs.
8567 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8569 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8571 * config/s390/s390.md ("Y", "y"): New mode attribute.
8572 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8573 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8574 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8575 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8576 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8577 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8578 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8579 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8580 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8581 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8582 "addsi3", "subsi3"): Insn patterns removed.
8583 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8584 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8585 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8586 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8587 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8588 "*sub<mode>3_cconly2"): New insn patterns.
8589 ("addsi3", "subsi3"): New expanders.
8591 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8593 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8594 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8595 existing STMT_VINFO_VECTYPE if available.
8596 (vect_mark_relevant): Add special handling for stmts that are
8597 marked as STMT_VINFO_IN_PATTERN_P.
8598 (vect_analyze_loop): Call vect_pattern_recog.
8599 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8600 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8602 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8603 (vect_recog_func_ptr): New function-pointer type.
8604 * tree-vect-patterns.c: New file.
8605 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8606 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8607 (vect_pattern_recog_1): New functions.
8608 (vect_pattern_recog_funcs): New array of function pointers.
8610 * tree-vectorizer.h (ternary_op): New enum value.
8611 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8612 declaration. Revised documentation. Removed redundant dump prints.
8613 Removed redundant argument. Added support for reduction patterns.
8614 (vectorizable_reduction): Added support for reduction patterns.
8615 (vect_transform_stmt): Added support for patterns.
8617 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8618 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8619 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8620 (expand_widen_pattern_expr): New function.
8621 (init_optabs): Initialize new optabs udot_prod_optab,
8623 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8624 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8625 (expand_widen_pattern_expr): New function declaration.
8626 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8628 * tree-inline.c (estimate_num_insns_1): Added cases for new
8629 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8630 * tree-pretty-print.c (dump_generic_node): Likewise.
8631 (op_prio): Likewise.
8632 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8633 * tree-ssa-operands.c (get_expr_operands): Added case for
8635 * tree-vect-patterns.c (widened_name_p): New function.
8636 (vect_recog_dot_prod_pattern): Added function implementation.
8637 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8638 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8639 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8640 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8642 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8643 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8644 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8645 (init_optabs): Initialize new optabs widen_ssum_optab,
8647 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8648 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8649 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8650 use instead of type of def.
8651 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8652 function implementation.
8653 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8654 widen_ssumv8hi): New.
8656 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8659 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8662 * c-decl.c (add_flexible_array_elts_to_size): New function.
8663 (finish_decl): Use it.
8665 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8667 * diagnostic.h: Include options.h.
8668 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8669 dependancies for diagnostic.h.
8670 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8672 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8674 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8675 (ssa_ro_call_cache_valid): Ditto.
8676 * tree-ssa-alias.c (sort_tags_by_id): New function.
8677 (init_transitive_clobber_worklist): Ditto.
8678 (add_to_worklist): Ditto.
8679 (mark_aliases_call_clobbered): Ditto.
8680 (compute_tag_properties): Ditto.
8681 (set_initial_properties): Ditto.
8682 (compute_call_clobbered): Ditto.
8683 (compute_may_aliases): Call compute_call_clobbered and grouping.
8684 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8685 (compute_flow_insensitive_aliasing): Grouping now happens in our
8687 (setup_pointers_and_addressables): Remove clobbering related code.
8688 (add_may_alias): Ditto.
8689 (replace_may_alias): Ditto.
8690 (get_nmt_for): Ditto.
8691 (create_global_var):
8692 (is_escape_site): Return an escape_type enumeration.
8693 * tree-flow-inline.h (is_call_clobbered): Global var does not
8694 imply call clobbered.
8695 (mark_call_clobbered): Take a reason for marking this. Remove
8696 marking of globalness, and cache invalidation.
8697 (clear_call_clobbered): Remove cache invalidation code.
8698 * tree-dfa.c (dump_variable): If details is on, dump the reason
8700 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8702 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8703 (struct var_ann_d): Ditto.
8704 (enum escape_type): New.
8705 (mark_call_clobbered): Adjust prototype.
8706 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8707 are never call clobbered.
8708 Record reasons for escaping.
8709 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8710 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8711 (ssa_ro_call_cache_valid): Ditto.
8712 (clobbered_v_may_defs): Ditto.
8713 (clobbered_vuses): Ditto.
8714 (ro_call_vuses): Ditto.
8715 (clobber_stats): New.
8716 (init_ssa_operands): Zero out clobber stats.
8717 (fini_ssa_operands): Print out clobber stats.
8718 (get_call_expr_operands): Pass callee fndecl to
8720 (add_call_clobber_ops): Remove use of cache.
8721 Add use of PURE_CONST information.
8722 (add_call_read_ops): Remove use of cache.
8723 Add use of static not_read information.
8725 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8727 Introduce TLS descriptors for i386 and x86_64.
8728 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8729 (TARGET_ANY_GNU_TLS): New macro.
8730 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8731 (struct machine_function): Add tls_descriptor_call_expanded_p.
8732 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8733 (ix86_current_function_calls_tls_descriptor): Likewise.
8734 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8735 (override_options): Introduce gnu2 tls dialect.
8736 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8738 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8740 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8741 (ix86_init_machine_status): Initialize new field.
8742 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8743 (ix86_tls_module_base): New.
8744 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8745 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8746 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8747 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8748 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8749 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8750 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8751 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8752 * config/i386/predicates.md (tls_modbase_operand): New.
8753 (tp_or_register_operand): New.
8755 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8757 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8758 (look_for_address_of): Ditto.
8759 (ipa_init): Walk the function decls.
8760 (static_execute): Don't set readonly on FUNCTION_DECL's.
8762 2006-01-18 Roger Sayle <roger@eyesopen.com>
8764 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8765 for shifts where the source and destination registers are different.
8767 2006-01-18 Paul Brook <paul@codesourcery.com>
8769 Merge from csl-arm-branch.
8770 2005-03-14 Julian Brown <julian@codesourcery.com>
8771 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8772 (aeabi_llsl): Likewise.
8773 (ashrdi3): Likewise.
8774 (aeabi_lasr): Likewise.
8775 (lshrdi3): Likewise.
8776 (aeabi_llsr): Likewise.
8777 2005-03-10 Julian Brown <julian@codesourcery.com>
8778 * config.gcc: Disable shared libgcc for SymbianOS.
8779 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8781 2006-01-18 DJ Delorie <dj@redhat.com>
8783 * c-pragma.c (handle_pragma_diagnostic): New.
8784 (init_pragma): Register it.
8785 * doc/extend.texi: Document it.
8787 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8788 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8789 (diagnostic_context): Add classify_diagnostic[].
8790 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8791 as errors if they're overridden to DK_WARNING.
8792 (diagnostic_initialize): Initialize classify_diagnostic[].
8793 (diagnostic_set_kind_override): New.
8794 (diagnostic_report_diagnostic): Check for kind changes.
8795 * opts.c (common_handle_option): Take lang_mask. Update callers.
8797 * common.opt (Werror=): New.
8798 * doc/invoke.texi: Document -Werror=*
8800 2006-01-18 Jeff Law <law@redhat.com>
8802 * tree-vrp.c (test_for_singularity): Correct test for new
8803 min limit. Use operand_equal_p rather than pointer equality
8804 for testing if new min/max values are equal.
8806 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8807 using range information until after propagation and folding.
8809 2006-01-18 Richard Henderson <rth@redhat.com>
8810 Aldy Hernandez <aldyh@redhat.com>
8811 Jakub Jelinek <jakub@redhat.com>
8812 Diego Novillo <dnovillo@redhat.com>
8814 * omp-low.c: New file.
8815 * c-omp.c: New file.
8817 2006-01-18 Richard Henderson <rth@redhat.com>
8818 Jakub Jelinek <jakub@redhat.com>
8819 Diego Novillo <dnovillo@redhat.com>
8821 * doc/invoke.texi: Document -fopenmp.
8822 * tree-dump.h (debug_function): Declare.
8823 * hooks.c (hook_bool_tree_bool_false): New function.
8824 (hook_tree_tree_null): Remove.
8825 (hook_tree_tree_tree_null): New.
8826 * hooks.h: Update to match.
8827 * tree-pretty-print.c (debug_tree_chain): New.
8828 (print_generic_expr): Handle TDF_CHAIN.
8829 (dump_generic_node): Handle BLOCK.
8830 Do not abort with incomplete SWITCH_EXPRs.
8831 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8832 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8833 print space after directive name.
8834 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8835 Handle OMP_MASTER and OMP_ORDERED.
8836 Handle printing of OMP_BODY just in one place, goto
8837 dump_omp_body in the rest of OMP_* nodes that have
8839 Don't handle clause nodes here. Update omp statements to
8840 use dump_omp_clauses.
8841 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8842 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8843 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8844 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8845 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8846 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8847 Adjust output for GOMP_PARALLEL.
8848 (dump_omp_clauses): New.
8849 (print_declaration): Dump DECL_VALUE_EXPR.
8850 (op_symbol_1): Split out of op_symbol.
8851 (dumping_stmts): Remove. Update all users.
8852 * cgraph.c (cgraph_analyze_queue): New.
8853 (cgraph_add_new_function): New.
8854 * cgraph.h (cgraph_analyze_queue): Declare.
8855 (cgraph_add_new_function): Declare.
8856 (cgraph_lower_function): Remove.
8857 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8858 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8859 and TYPE_P nodes in its default clause.
8860 (empty_body_p): New.
8861 (tree_range_check_failed): New.
8863 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8864 OMP_CLAUSE_REDUCTION_MERGE,
8865 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8866 OMP_CLAUSE_PRIVATE_DEBUG,
8867 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8868 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8869 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8870 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8871 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8872 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8873 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8874 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8875 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8876 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8877 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8878 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8879 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8880 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8881 (TREE_RANGE_CHECK): New.
8882 (empty_body_p): Declare.
8883 (enum omp_clause_default_kind): New.
8884 (build_string_literal): Declare.
8885 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8886 (build5_stat, build5): Declare.
8887 * tree-pass.h (TDF_CHAIN): Define.
8888 * tree-pass.h (PROP_gimple_lomp): Define.
8889 (pass_lower_omp): Declare.
8890 * diagnostic.h (debug_tree_chain): Declare.
8891 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8893 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8894 * builtins.c (build_string_literal): Make extern.
8895 * gcc.c (include_spec_function): New.
8896 (static_spec_functions): Add it.
8897 (main): Move load of libgomp.spec ...
8898 (LINK_COMMAND_SPEC): ... here.
8899 (link_gomp_spec): New.
8900 (static_specs): Include it.
8901 (LINK_COMMAND_SPEC): Add link_gomp.
8902 (GOMP_SELF_SPECS): New.
8903 (driver_self_specs): Include it.
8904 (switch_matches): Don't mark inline.
8905 (main): Load libgomp.spec.
8906 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8907 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8908 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8909 * tree-gimple.h (enum omp_parallel): Declare.
8910 (determine_parallel_type): Declare.
8911 (omp_firstprivatize_variable): Declare.
8912 (omp_reduction_init): Declare.
8913 (diagnose_omp_structured_block_errors): Declare.
8914 (struct walk_stmt_info): Add want_return_expr.
8915 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8916 (find_omp_clause): Declare.
8917 (insert_field_into_struct): Declare.
8918 (struct walk_stmt_info): Move from tree-nested.c
8919 (walk_stmts): Declare.
8920 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8922 * cgraphunit.c (cgraph_lower_function): Make static.
8923 (cgraph_finalize_pending_functions): New.
8924 (cgraph_finalize_function): Call it.
8925 (cgraph_finalize_compilation_unit): Likewise.
8926 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8927 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8928 (BT_FN_UINT_UINT): New.
8929 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8930 DEF_FUNCTION_TYPE_VAR_4): Document.
8931 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8932 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8933 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8934 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8935 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8936 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8937 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8938 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8939 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8940 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8941 into separate files.
8942 (DEF_GOMP_BUILTIN): New.
8943 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8944 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8945 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8946 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8947 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8948 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8949 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8950 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8951 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8952 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8953 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8954 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8955 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8956 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8957 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8958 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8959 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8960 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8961 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8962 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8963 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8964 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8965 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8966 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8967 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8968 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8969 * sync-builtins.def: New file, moved from builtins.def.
8970 * omp-builtins.def: New file, moved from builtins.def.
8971 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8972 * gimple-low.c (lower_function_body): Clear data.
8973 (lower_stmt): Do not handle COMPOUND_EXPR.
8974 Remove call to print_node_brief.
8975 * c-tree.h (c_finish_omp_clauses): New prototype.
8976 (C_DECL_THREADPRIVATE_P): Define.
8977 (lookup_name_no_remap, c_omp_remap_private): Remove
8978 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8979 (check_for_loop_decls): Update decl.
8980 (lookup_name_no_remap, c_omp_remap_private): Declare.
8981 (build_indirect_ref, build_modify_expr, pushdecl,
8982 pushdecl_top_level): Move to c-common.h.
8983 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8984 before the switch, but just in the 2 places that need it.
8985 * c-decl.c (diagnose_mismatched_decls): Do not check for
8986 mismatched thread-local attributes when OLDDECL is marked
8987 threadprivate and NEWDECL has no thread-local attributes.
8988 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8989 (c_gimple_diagnostics_recursively): Rename from
8990 c_warn_unused_result_recursively. Invoke
8991 diagnose_omp_structured_block_errors.
8992 (check_for_loop_decls): Return a singular decl found.
8993 * langhooks.c (lhd_omp_predetermined_sharing): Return
8994 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8995 (lhd_omp_firstprivatize_type_sizes): New.
8996 (lhd_omp_assignment): New.
8997 (lhd_omp_predetermined_sharing): New.
8998 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8999 (struct lang_hooks_for_types): Add
9000 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9001 omp_predetermined_sharing, omp_disregard_value_expr,
9002 omp_private_debug_clause, omp_clause_default_ctor,
9003 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9004 (c_finish_omp_clauses): New.
9005 (c_finish_bc_stmt): Diagnose break within omp for.
9006 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9007 (build_unary_op): Return error_mark after reporting
9009 (build_modify_expr): Likewise.
9010 * gimplify.c: Include optabs.h and pointer-set.h.
9011 (enum gimplify_omp_var_data): Declare.
9012 (struct gimplify_omp_ctx): Declare.
9013 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9015 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9016 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9017 (splay_tree_compare_decl_uid): New.
9018 (new_omp_context): New.
9019 (delete_omp_context): New.
9020 (gimple_add_tmp_var): Call omp_add_variable.
9021 (gimplify_bind_expr): Likewise.
9022 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9023 true, disregard DECL_VALUE_EXPR on the decl if any.
9024 (gimplify_expr_in_ctx): New.
9025 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9026 omp_add_variable, omp_notice_variable, omp_is_private
9027 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9028 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9029 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9030 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9031 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9032 gimplify_omp_atomic): New.
9033 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9034 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9035 OMP_CRITICAL and OMP_ATOMIC.
9036 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9037 * c-pragma.h (enum pragma_kind): Add
9038 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9039 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9040 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9041 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9042 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9043 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9044 PRAGMA_OMP_THREADPRIVATE.
9045 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9046 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9047 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9048 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9049 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9050 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9051 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9052 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9053 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9054 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9055 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9056 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9057 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9059 (struct nesting_info): Add field_map,
9060 suppress_expansion, debug_var_chain.
9061 (create_nesting_tree): Initialize them.
9062 (lookup_field_for_decl): Use field_map.
9063 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9064 (convert_local_omp_clauses): New.
9065 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9066 (walk_body): Split out of walk_function.
9067 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9068 (convert_nonlocal_reference): Handle omp statements.
9069 (convert_local_reference): Likewise.
9070 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9071 (unnest_nesting_tree): New.
9072 (lower_nested_functions): Call it.
9073 (insert_field_into_struct): Make extern.
9074 (struct walk_stmt_info): Move to tree-gimple.h.
9075 (walk_stmts): Make extern.
9076 * omp-builtins.def: New file.
9077 * tree-iterator.c (expr_only): Clarify comment.
9078 * c-common.h (pushdecl_top_level, pushdecl,
9079 build_modify_expr, build_indirect_ref,
9080 c_finish_omp_master, c_finish_omp_critical,
9081 c_finish_omp_ordered, c_finish_omp_barrier,
9082 c_finish_omp_atomic, c_finish_omp_flush,
9083 c_finish_omp_for, c_split_parallel_clauses,
9084 omp_clause_default_kind, c_omp_sharing_predetermined,
9085 c_omp_remap_decl): Declare.
9086 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9087 (OBJS-common): Add omp-low.o.
9088 (c-omp.o, omp-low.o): Add.
9089 (gimplify.o): Add dependency on $(OPTABS_H).
9090 (GTFILES): Add omp-low.c.
9091 (gt-stringpool.h): Add.
9092 * tree-cfg.c (set_bb_for_stmt): Do not update the
9093 block-to-labels map if we are currently expanding to RTL.
9094 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9096 Handle IDENTIFIER_NODE.
9097 (tree_verify_flow_info): Do not ICE when emitting error
9098 messages about invalid labels.
9099 (dump_function_to_file): Reset CFUN before emitting the body
9101 (debug_function): New.
9102 * passes.c (init_optimization_passes): Schedule
9104 * langhooks-def.h (lhd_omp_predetermined_sharing,
9105 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9107 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9108 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9109 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9110 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9111 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9112 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9113 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9114 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9115 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9116 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9117 (LANG_HOOK_DECLS): Use them.
9119 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9120 Richard Henderson <rth@redhat.com>
9121 Jakub Jelinek <jakub@redhat.com>
9122 Diego Novillo <dnovillo@redhat.com>
9124 * c-parser.c (pragma_omp_clause): Define.
9125 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9126 (c_parser_compound_statement): Likewise.
9127 (c_parser_statement): Likewise.
9128 (c_parser_pragma): Handle omp pragmas.
9129 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9130 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9131 (c_parser_omp_clause_name, check_no_duplicate_clause,
9132 c_parser_omp_variable_list,
9133 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9134 c_parser_omp_clause_copyprivate,
9135 c_parser_omp_clause_default,
9136 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9137 c_parser_omp_clause_lastprivate,
9138 c_parser_omp_clause_nowait,
9139 c_parser_omp_clause_num_threads,
9140 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9141 c_parser_omp_clause_reduction,
9142 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9143 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9144 c_parser_omp_atomic, c_parser_omp_barrier,
9145 c_parser_omp_critical, c_parser_omp_flush,
9146 c_parser_omp_for_loop, c_parser_omp_for,
9147 c_parser_omp_master, c_parser_omp_ordered,
9148 c_parser_omp_sections_scope, c_parser_omp_sections,
9149 c_parser_omp_parallel, c_parser_omp_single,
9150 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9151 * c-pragma.c (init_pragma): Do omp pragma registration here.
9152 * c.opt (fopenmp): New flag.
9154 2006-01-18 Eric Christopher <echristo@apple.com>
9156 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9157 * config/darwin.h (GOMP_SELF_SPECS): Define.
9159 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9161 * rtl.h: Remove the prototype for reg_alloc.
9163 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9166 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9167 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9168 sjlj and dwarf2 exception handling.
9169 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9170 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9171 * pa/pa.c (function_value): Treat complex and vector types as
9173 (function_arg): Likewise. Only pass scalar floats in the floating
9174 point argument registers.
9175 * pa/t-slibgcc-dwarf-ver: New file.
9176 * pa/t-slibgcc-sjlj-ver: New file.
9177 * pa/t-slibgcc-elf-ver: Delete file.
9179 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9181 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9182 unlikely_test_section_p test.
9184 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9186 * mode-switching.c (optimize_mode_switching): Make it static.
9187 * basic-block.h: Remove the prototype for
9188 optimize_mode_switching.
9190 * modulo-sched.c (sms_schedule): Make it static.
9191 * rtl.h: Remove the prototype for sms_schedule.
9193 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9194 * rtl.h: Remove the prototype for gcse_after_reload_main.
9196 * reg-stack.c (reg_to_stack): Make it static.
9197 * rtl.h: Remove the prototype for reg_to_stack.
9199 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9201 * rtl.h: Remove the prototypes for regrename_optimize and
9202 copyprop_hardreg_forward.
9204 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9206 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9207 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9208 Test against the appropriate null constant for the mode.
9209 If 'fixup_overlap' is true, swap the operands if they overlap.
9210 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9211 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9212 alpha_split_tmode_pair and adjust for above change.
9213 * config/alpha/alpha.md (movtf_internal): Adjust call to
9214 alpha_split_tfmode_pair and rely on it to swap the operands.
9215 (movti_internal): New insn and post-reload splitter.
9216 (movti): New expander.
9218 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9220 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9223 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9225 * rtlanal.c (global_reg_mentioned_p_1,
9226 global_reg_mentioned_p): Remove.
9227 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9229 * flow.c (initialize_uninitialized_subregs): Make it static.
9230 * rtl.h: Remove the prototype for
9231 initialize_uninitialized_subregs.
9233 * function.c (instantiate_virtual_regs): Make it static.
9234 * function.h: Remove the prototype for
9235 instantiate_virtual_regs.
9237 * regmove.c (regmove_optimize, combine_stack_adjustments):
9239 * rtl.h: Remove the prototypes for regmove_optimize and
9240 combine_stack_adjustments.
9242 2006-01-17 Roger Sayle <roger@eyesopen.com>
9244 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9245 (size_cost): Encode costs in bytes so that a reg-reg addition is
9246 equivalent to COSTS_N_INSNS(1).
9247 (override_options): Use the size_cost.branch_cost as the default
9248 ix86_branch_cost when optimizing for size.
9250 2006-01-18 Ben Elliston <bje@au.ibm.com>
9252 * Makefile.in (D32PBIT_FUNCS): New.
9253 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9254 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9255 D64PBIT_FUNCS and D128PBIT_FUNCS.
9256 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9257 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9259 (decnumber_dep): Define.
9260 * doc/libgcc.texi (Decimal float library routines): New node.
9261 * config/dfp-bit.h, config/dfp-bit.c: New files.
9263 2006-01-18 Ben Elliston <bje@au.ibm.com>
9265 * expr.c (emit_move_change_mode): Always adjust addresses, not
9266 just during reload. Copy replacements only during reload.
9267 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9268 emit_move_via_integer.
9270 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9272 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9273 instead of $(srcdir) and ${srcdir}.
9275 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9279 * arm.h (struct machine_function): Add pic_reg.
9280 * arm.c (arm_pic_register): Make unsigned.
9281 (arm_override_options): Only set arm_pic_register if
9282 TARGET_SINGLE_PIC_BASE.
9283 (use_return_insn): Only test for a pic register if it is fixed.
9284 (arm_compute_save_reg0_reg12_mask): Likewise.
9285 (thumb_compute_save_reg_mask): Likewise.
9286 (legitimate_pic_operand): Factor out some known invariants.
9287 (legitimize_pic_address): If we don't have a fixed pic register,
9288 then set up a pseudo in the function entry sequence. Handle the
9289 pic base being in a pseudo.
9290 (arm_load_pic_register): Handle the pic register being in a pseudo.
9291 (arm_expand_prologue): Only set up the pic register if it is fixed.
9292 (thumb_expand_prologue): Likewise.
9293 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9294 (pic_load_addr_based_insn): Likewise.
9295 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9298 2006-01-18 Ben Elliston <bje@au.ibm.com>
9300 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9301 decimal float modes for all floating point registers.
9303 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9304 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9306 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9309 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9310 even when the pointer is not NULL.
9312 2006-01-16 Ian Lance Taylor <ian@airs.com>
9314 * common.opt (ftoplevel-reorder): New option.
9315 * cgraph.c (cgraph_asm_nodes): New global variable.
9316 (cgraph_asm_last_node): New static variable.
9317 (cgraph_order): New global variable.
9318 (cgraph_create_node): Set new order field.
9319 (cgraph_varpool_node): Likewise.
9320 (decide_is_variable_needed): Return true if not
9321 flag_toplevel_reorder.
9322 (cgraph_add_asm_node): New function.
9323 * cgraph.h (struct cgraph_node): Add order field.
9324 (struct cgraph_varpool_node): Add order field.
9325 (struct cgraph_asm_node): Define.
9326 (cgraph_asm_nodes, cgraph_order): Declare.
9327 (cgraph_add_asm_node): Declare.
9328 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9330 (cgraph_varpool_assemble_pending_decls): Call it.
9331 (cgraph_output_pending_asms): New static function.
9332 (cgraph_finalize_compilation_unit): Call it.
9333 (struct cgraph_order_sort): Define.
9334 (cgraph_output_in_order): New static function.
9335 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9336 !flag_toplevel_reorder case.
9337 * c-parser.c: Include "cgraph.h".
9338 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9340 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9341 than -fno-unit-at-a-time.
9342 * doc/invoke.texi (Option Summary): Mention
9343 -fno-toplevel-reorder.
9344 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9345 -funit-at-a-time documentation.
9347 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9348 Kazu Hirata <kazu@codesourcery.com>
9350 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9352 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9354 * Makefile.in (FUNCTION_H): New. Use it instead of
9355 function.h throughout the file.
9356 * function.h: Include tree.h.
9358 2006-01-17 Ben Elliston <bje@au.ibm.com>
9360 * recog.c: Separate some functions with whitespace.
9362 2006-01-16 Richard Henderson <rth@redhat.com>
9364 Merge from gomp branch:
9365 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9366 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9367 and rename from struct inline_data. Rename callee* to dst*;
9368 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9369 transform_new_cfg, transform_return_to_modify, and
9370 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9372 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9373 (copy_decl_for_dup): Remove.
9374 * tree-inline.c (struct inline_data): Move to header.
9375 (insert_decl_map): Export.
9376 (remap_decl): Update for member name changes. Use copy_decl hook.
9377 Allow for replacement to be a non-decl. Remove dead code.
9378 (remap_type_1): Check for existing mapping.
9379 (remap_type): Export.
9380 (remap_decls): Update for member name changes.
9381 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9382 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9383 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9384 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9385 (tree_function_versioning, build_duplicate_type): Likewise.
9386 (copy_body_r): Likewise. Export.
9387 (copy_decl_for_dup): Split into ...
9388 (copy_decl_for_dup_finish, copy_decl_to_var,
9389 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9390 (replace_ref_tree, inlining_p): Remove.
9392 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9394 * ifcvt.c (if_convert): Make it static.
9395 * rtl.h: Remove the prototype for if_convert.
9397 * local-alloc.c (local_alloc): Make it static.
9398 * rtl.h: Remove the prototype for local_alloc.
9400 * loop.c (loop_optimize): Make it static.
9401 * cfgloop.h: Remove the prototype for loop_optimize.
9404 2006-01-16 DJ Delorie <dj@redhat.com>
9406 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9409 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9411 * pa.md: Disparage copies between general and floating-point registers
9412 in 32-bit move patterns.
9414 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9417 * Makefile.in (check-%): Depend on site.exp instead of
9418 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9421 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9423 * global.c (global_alloc): Make it static.
9424 * rtl.h: Remove the prototype for global_alloc.
9426 2006-01-16 Richard Guenther <rguenther@suse.de>
9428 * tree-ssa-alias.c (struct used_part): Add write_only field.
9429 (get_or_create_used_part_for): Initialize it to true.
9430 (create_overlap_variables_for): Don't create structure variables
9431 for structures that only are written to.
9432 (find_used_portions): Handle MODIFY_EXPR to track whether a
9433 structure is only written to.
9435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9437 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9439 * basic-block.h: Remove the prototype for
9440 partition_hot_cold_basic_blocks.
9442 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9444 * cppspec.c (lang_specific_spec_functions): Remove.
9445 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9446 * gcc.h (lang_specific_spec_functions): Remove.
9447 * gccspec.c (lang_specific_spec_functions): Remove.
9449 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9451 * combine.c (record_value_for_reg): Invalidate registers
9453 (record_dead_and_set_regs_1): Likewise, by passing them to
9454 record_value_for_reg.
9455 (record_dead_and_set_regs): Invalidate stores made by a
9456 call. We do not combine across a call, but we still
9457 relied on equivalences.
9459 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9461 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9462 vrp_int_const_binop returning non-constant nodes.
9464 2006-01-16 Paul Brook <paul@codesourcery.com>
9466 * config/m68k/m68k.c (output_move_const_into_data_reg):
9467 Output correct mnemonic for mvz and mvs.
9469 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9471 * rtl-factoring.c: Add sequence abstraction algorithm.
9472 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9473 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9475 (block_has_preserve_label): New function.
9476 * common.opt: Register new pass.
9477 * Makefile.in: Ditto.
9479 * timevar.def: Ditto.
9480 * tree-pass.h: Ditto.
9481 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9482 * rtl.h (make_jump_insn_raw): Add forward decl.
9483 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9485 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9486 Roger Sayle <roger@eyesopen.com>
9488 * fold-const.c (fold_minmax): New static function.
9489 (fold_binary) <MIN_EXPR>: Call it.
9490 <MAX_EXPR>: Likewise.
9491 * stor-layout.c (place_field): Use DECL_SIZE consistently
9492 in the computation of the new record size.
9494 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9496 * cse.c (cse_condition_code_reg): Make it static.
9497 * rtl.h: Remove the prototype for cse_condition_code_reg.
9499 * combine.c (combine_instructions): Make it static.
9500 * rtl.h: Remove the prototype for combine_instructions.
9502 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9505 * tree.c (get_file_function_name_long): Concatenate the first global
9506 object name with a string derived from the input filename of the object
9509 2006-01-16 Ben Elliston <bje@au.ibm.com>
9511 * config/i386/winnt-stubs.c: Update FSF address.
9512 * config/xtensa/ieee754-df.S: Ditto.
9513 * config/xtensa/ieee754-sf.S: Ditto.
9515 2006-01-14 Ian Lance Taylor <ian@airs.com>
9517 * ifcvt.c (noce_init_if_info): New static function, broken out of
9518 noce_process_if_block.
9519 (noce_process_if_block): Call noce_init_if_info.
9520 (check_cond_move_block): New static function.
9521 (cond_move_process_if_block): New static function.
9522 (process_if_block): Call cond_move_process_if_block.
9524 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9526 * cselib.c (hash_table): Rename to cselib_hash_table.
9527 (cselib_clear_table, discard_useless_values,
9528 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9529 cselib_init, cselib_finish): Adjust uses of hash_table.
9531 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9533 PR tree-optimization/25485
9534 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9535 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9536 is known to be false and true, respectively.
9538 2006-01-14 Richard Guenther <rguenther@suse.de>
9540 PR tree-optimization/22548
9541 PR tree-optimization/22555
9542 PR tree-optimization/22501
9543 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9544 * params.def (salias-max-array-elements): New parameter.
9545 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9546 * doc/invoke.texi (salias-max-array-elements): Document.
9547 * tree-flow-inline.h (var_can_have_subvars): We also handle
9549 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9551 * tree-ssa-structalias.c (params.h): Include.
9552 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9553 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9554 (get_constraint_for): For ADDR_EXPR operating on something
9555 containing an ARRAY_REF, add all subvars to the solution.
9556 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9557 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9558 for creating MUST_DEFs.
9559 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9561 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9563 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9565 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9566 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9567 number_of_iterations_le): New functions.
9568 (number_of_iterations_special): Removed.
9569 (number_of_iterations_exit): Do not use number_of_iterations_special.
9570 * tree.c (unsigned_type_for): Always return integer type.
9572 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9573 Richard Guenther <rguenther@suse.de>
9575 PR rtl-optimization/24257
9576 * gcse.c (find_moveable_store): Only consider a store movable
9577 when the SET_SRC of the insn can be assigned to a register.
9579 2006-01-14 Ian Lance Taylor <ian@airs.com>
9581 * tree.c (tree_not_class_check_failed): New function.
9582 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9583 (tree_not_class_check_failed): Declare.
9585 2006-01-13 Ian Lance Taylor <ian@airs.com>
9587 * reload1.c (do_output_reload): Add assertion rejecting a
9590 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9592 * combine.c (struct reg_stat): Add new fields truncation_label and
9594 (record_value_for_reg): Reset truncated_to_mode.
9595 (record_truncated_value): New function.
9596 (check_promoted_subreg): Call it. Rename to check_conversions.
9597 (combine_instructions): Rename check_promoted_subreg to
9599 (reg_truncated_to_mode): New function.
9600 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9601 (gen_lowpart_or_truncate): New function.
9602 (force_to_mode): Use it instead of gen_lowpart.
9604 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9606 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9607 VAR is a tag, not its type tag.
9609 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9611 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9612 alternatives to match style of other entries.
9613 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9615 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9617 PR tree-optimization/25771
9618 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9621 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9624 * tree-inline.c (declare_return_variable): If the return variable
9625 was marked as a non gimple complex, set the return slot variable
9626 to be a non gimple comple variable.
9628 2006-01-13 Richard Guenther <rguenther@suse.de>
9630 * builtins.c (expand_builtin_sincos): New function.
9631 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9633 (expand_builtin): Expand sincos using expand_builtin_sincos.
9635 2006-01-12 DJ Delorie <dj@redhat.com>
9637 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9638 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9639 so that constant shifts can be split.
9640 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9641 (m32c_valid_pointer_mode): Make static.
9642 (shift_gen_func_for): New.
9643 (m32c_prepare_shift): Use it. Split large const shifts into
9645 * config/m32c/predicates.md (shiftcount_operand): Allow more
9647 (longshiftcount_operand): New.
9648 * doc/md.texi (Machine Constraints): Document In6.
9650 2006-01-13 Ben Elliston <bje@au.ibm.com>
9652 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9653 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9656 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9658 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9659 to try to avoid clobbering pieces of structures when we know
9660 something about the whole structure.
9661 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9663 2006-01-13 Ben Elliston <bje@au.ibm.com>
9665 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9666 return in memory, as this is no limitation is no longer present.
9668 2006-01-12 DJ Delorie <dj@redhat.com>
9670 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9671 mova with fb, and for fb+0 -> An.
9673 * config/m32c/mov.md (peephole2): Fix enabling logic.
9675 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9676 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9677 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9678 FINI_ARRAY_SECTION_ASM_OP): Define.
9680 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9682 (m32c_legitimize_reload_address): New logic to reload FB to An.
9683 (m32c_output_reg_push): Add newline.
9684 (m32c_output_reg_pop): Likewise.
9686 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9688 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9690 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9692 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9694 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9696 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9699 2006-01-11 Ben Elliston <bje@au.ibm.com>
9701 * rtlanal.c (find_reg_note): Assert insn is not null.
9703 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9705 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9708 2006-01-11 Jeff Law <law@redhat.com>
9710 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9712 (mark_threaded_blocks, register_jump_thread): New functions.
9713 (thread_through_all_blocks): Remove unwanted argument. No
9714 longer rely on e->aux to communicate thread target info.
9715 Call mark_threaded_blocks. Release the threaded_blocks
9716 bitmap and threaded_edges vector when complete.
9717 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9718 (threaded_blocks): Remove.
9719 (tree_ssa_dominator_optimize): Remove initialization and
9720 finalization of threaded_blocks. Simplify call to
9721 thread_through_all_blocks.
9722 (thread_across_edge): Call register_jump_thread rather than
9723 storing thread information into e->aux.
9724 (free_all_edge_infos): Simplify now that e->aux is no longer
9725 used to communicate with thread_through_all_blocks.
9726 * tree-flow.h (thread_through_all_blocks): Update prototype.
9727 (register_jump_thread): Prototype.
9729 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9731 * df-core.c (df_compact_blocks, df_bb_replace): Use
9732 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9734 2006-01-11 Richard Guenther <rguenther@suse.de>
9736 PR tree-optimization/25734
9737 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9738 stop propagation after successful propagation to the LHS.
9740 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9742 * basic-block.h (control_flow_graph): Change the type of
9743 x_basic_block_info to VEC(basic_block,gc) *.
9744 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9746 (SET_BASIC_BLOCK): New.
9747 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9748 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9749 * cfgbuild.c (find_basic_blocks): Likewise.
9750 * cfglayout.c (fixup_reorder_chain): Likewise.
9751 * cfgrtl.c (create_basic_block_structure,
9752 rtl_create_basic_block): Likewise.
9753 * ifcvt.c (find_if_case_1): Likewise.
9754 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9757 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9759 * Makefile.in: Removed rotted odf.c entry.
9761 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9764 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9765 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9766 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9767 output pattern modifier, not %e.
9768 * config/cris/cris.c (cris_op_str): Update comment about pattern
9770 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9771 before falling through into...
9772 <case 'E'>: Redefined from old 'e' case.
9774 2006-01-11 Jan Hubicka <jh@suse.cz>
9777 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9779 2006-01-11 Jan Hubicka <jh@suse.cz>
9781 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9782 * i386.c (x86_decompose_lea): Kill.
9783 (ix86_rtx_costs): Kill.
9785 2006-01-11 Jan Hubicka <jh@suse.cz>
9787 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9788 * cgraph.h (cgraph_node): Add inline_decl.
9789 (cgraph_insert_node_to_hashtable): Declare.
9790 (save_inline_function_body): Declare.
9791 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9793 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9794 (cgraph_function_versioning): Update call of tree_function_versioning.
9795 (save_inline_function_body): New function.
9796 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9797 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9798 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9799 (cgraph_default_inline_p): Likewise.
9800 (cgraph_decide_inlining_incrementally): Likewise.
9801 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9802 (copy_bb): Kill saving; do updating of clones.
9803 (copy_cfg_body): Kill saving.
9804 (initialize_inlined-parameters): Likewise.
9805 (expand_call_inline): Likewise.
9807 (tree_function_versioning): New parameter "update_clones".
9808 (inlining_p): Kill saving.
9809 * tree-inline.h (tree_function_versioning): Update prototype.
9810 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9813 2006-01-11 Ian Lance Taylor <ian@airs.com>
9815 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9816 Allow undoing set of machine mode.
9817 (do_SUBST): Use enums instead of is_int.
9818 (do_SUBST_MODE): New function.
9819 (SUBST_MODE): New macro.
9820 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9821 reg and trying to replace reg_regno_rtx with a new register.
9822 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9823 (simplify_set): Use SUBST_MODE.
9824 (distribute_notes): Remove code that tried to update reg notes
9825 for regno_reg_rtx changes.
9827 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9829 PR tree-optimization/23109
9830 PR tree-optimization/23948
9831 PR tree-optimization/24123
9833 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9834 * tree-cfg.c (single_noncomplex_succ): New.
9835 * tree-flow.h (single_noncomplex_succ): Declare it.
9836 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9837 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9838 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9839 insert_bb, register_division_in, insert_reciprocals,
9840 replace_reciprocal, free_bb): New.
9841 (execute_cse_reciprocals_1): Rewritten.
9842 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9843 Do not commit any edge insertion. Always compute dominators and
9844 create the allocation pool.
9845 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9846 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9847 * targhooks.c (default_min_divistions_for_recip_mul): New.
9848 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9849 * passes.c (init_optimization_passes): Run recip after tree loop
9851 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9853 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9854 Kenneth Zadeck <zadeck@naturalbridge.com>
9856 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9857 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9858 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9859 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9860 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9861 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9862 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9863 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9864 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9865 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9866 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9867 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9868 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9869 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9870 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9871 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9872 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9873 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9874 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9875 DF_SCAN_POST_ALLOC): New macros.
9876 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9877 df_free_bb_function, df_local_compute_function, df_init_function,
9878 df_dataflow_function, df_confluence_function_0,
9879 df_confluence_function_n, df_transfer_function,
9880 df_finalizer_function, df_free_function, df_dump_problem_function,
9881 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9882 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9883 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9884 df_urec_bb_info, ) New types.
9885 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9887 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9888 df_analyze_simple_change_some_blocks,
9889 df_analyze_simple_change_one_block, df_compact_blocks,
9890 df_bb_replace, df_bb_regno_last_use_find,
9891 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9892 df_insn_regno_def_p, df_find_def, df_find_use,
9893 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9894 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9895 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9896 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9897 debug_df_chain, df_get_dependent_problem, df_chain_create,
9898 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9899 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9900 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9901 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9902 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9903 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9904 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9905 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9906 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9907 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9908 df_reorganize_refs, df_set_state, df_hard_reg_init,
9909 df_read_modify_subreg_p) New public functions.
9910 * df-core.c: The core dataflow solver and glue routines for rtl
9912 (df_init, df_add_problem, df_set_blocks, df_finish,
9913 df_hybrid_search_forward, df_hybrid_search_backward,
9914 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9915 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9916 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9917 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9918 df_reg_defined, df_find_use, df_reg_used, df_dump,
9919 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9920 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9921 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9922 debug_df_useno, reset_df_after_reload): New functions.
9923 * df-scan.c: The scanning fuctions, once in df.c, completely
9924 rewritten so that they now fully model the functionality of
9925 register usage at the backend.
9926 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9927 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9928 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9929 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9930 df_get_artificial_defs, df_get_artificial_uses,
9931 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9932 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9933 df_refs_delete, df_reorganize_refs, df_set_state,
9934 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9935 df_def_record_1, df_defs_record, df_uses_record,
9936 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9937 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9938 df_record_exit_block_uses, df_hard_reg_init): New functions.
9940 * df-problems.c: Seven concrete dataflow problems that use the
9941 scanning in df-scan.c and are solved by the engine in df-core.c.
9942 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9943 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9944 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9945 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9946 df_ru_free_bb_info, df_ru_alloc,
9947 df_ru_bb_local_compute_process_def,
9948 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9949 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9950 df_ru_transfer_function, df_ru_free, df_ru_dump,
9951 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9952 df_rd_free_bb_info, df_rd_alloc,
9953 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9954 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9955 df_rd_transfer_function, df_rd_free, df_rd_dump,
9956 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9957 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9958 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9959 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9960 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9961 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9962 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9963 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9964 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9965 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9966 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9967 df_urec_mark_reg_use_for_earlyclobber,
9968 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9969 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9970 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9971 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9972 df_chain_create_bb_process_use, df_chain_create_bb,
9973 df_chain_finalize, df_chain_free, df_chains_dump,
9974 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9975 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9976 df_reg_lifetime): New functions.
9977 * df.c: Deleted file.
9978 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9979 consistent with new df api.
9980 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9981 rest_of_handle_sms): Ditto.
9982 * web.c (unionfind_union, union_defs, entry_register, web_main):
9984 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9985 invariant_expr_equal_p, find_defs, check_dependencies,
9986 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9987 free_inv_motion_data, move_loop_invariants): Ditto.
9988 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9989 Update dependencies.
9990 (odf.c): Added defective entry that was deleted later in day.
9991 * sched-deps.c (sched_analyze_1): Ditto.
9993 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9995 * tree-ssa-operands.c (get_expr_operands): Record addressable
9996 variables directly. Do not call add_stmt_operands for CONST_DECLs
9998 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9999 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10001 2006-01-11 Ben Elliston <bje@au.ibm.com>
10003 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10004 function returns true in the positive case.
10006 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10009 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10010 for SI, DI, SF and DF modes. Add alternatives to copy between
10011 general and floating point registers to the 32-bit patterns.
10012 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10013 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10014 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10015 generating 64-bit code.
10016 * config/pa/pa.c (output_move_double): Handle copies between general
10017 and floating registers.
10019 2006-01-10 Stuart Hastings <stuart@apple.com>
10021 * config/i386/i386.md (set_got): Update.
10022 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10023 (builtin_setjmp_receiver): Mach-O support.
10024 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10025 (GOT_SYMBOL_NAME): Define.
10026 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10027 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10028 * config/i386/i386.c (override_options): Revise for Darwin.
10029 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10030 support. (darwin_x86_file_end): New. (output_set_got): Add label
10031 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10032 * config/i386/i386-protos.h (output_set_got): Likewise.
10033 * config/darwin.c (machopic_legitimize_pic_address): Update
10036 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10038 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10039 when MODE isn't BLKmode.
10041 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10043 PR rtl-optimization/25367
10044 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10046 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10049 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10050 for a negative bound.
10052 2006-01-10 Richard Guenther <rguenther@suse.de>
10054 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10055 Never override with anything constraint.
10057 2006-01-10 Jan Beulich <jbeulich@novell.com>
10059 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10060 256 bits when optimize_size.
10062 2006-01-10 Jan Beulich <jbeulich@novell.com>
10064 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10066 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10067 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10070 2006-01-10 Ben Elliston <bje@au.ibm.com>
10072 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10074 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10075 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10076 (USE_FP_FOR_ARG): Reject decimal float modes.
10077 (function_arg_advance): Likewise.
10078 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10079 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10080 point types in AltiVec vectors.
10081 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10082 (rs6000_libcall_value): Likewise.
10084 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10086 * config/xtensa/ieee754-df.S: New file.
10087 * config/xtensa/ieee754-sf.S: New file.
10088 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10089 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10090 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10092 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10094 * config/sh/predicates.md (binary_float_operator,
10095 binary_logical_operator, commutative_float_operator,
10096 equality_comparison_operator, greater_comparison_operator,
10097 less_comparison_operator, logical_operator,
10098 noncommutative_float_operator, shift_operator,
10099 symbol_ref_operand, unary_float_operator): Remove redundant
10102 2006-01-09 Jeff Law <law@redhat.com>
10104 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10105 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10106 now unused arguments. Callers updated.
10107 (eliminate_redundant_computations): Remove now unused arguments,
10109 (local_fold): Remove, no longer used.
10110 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10112 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10113 (simplify_cond): New function.
10114 (forward_propagate_into_cond): Call simplify_cond.
10116 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10118 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10119 (*vec_extractv2di_1_sse): New.
10121 2006-01-09 Ben Elliston <bje@au.ibm.com>
10123 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10125 2006-01-08 Richard Guenther <rguenther@suse.de>
10127 * tree-ssa-structalias.c (get_constraint_for): Remove
10128 anyoffset argument.
10129 (get_constraint_for_component_ref): Likewise.
10130 (do_deref): Likewise.
10131 (get_constraint_for): Likewise.
10132 (do_structure_copy): Likewise.
10133 (handle_ptr_arith): Likewise.
10134 (find_func_aliases): Likewise. Remove unused need_anyoffset
10137 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10138 Kaz Kojima <kkojima@gcc.gnu.org>
10140 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10141 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10142 (EXTRA_CONSTRAINT_C16): Remove.
10143 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10144 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10145 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10146 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10147 constants of SHmedia. Handle nested constant expressions of
10149 (andcosts): Fix the costs for SHmedia constants.
10150 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10151 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10152 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10153 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10154 (movv4hi_i, movv2si_i): Likewise.
10155 (movsi_const): Adjust the second operand of ior so to match with
10156 the Csu constraint.
10157 (movdi_const, movdi_const_32bit): Likewise.
10158 (movdi_const_16bit+1): Don't sign-extend LOW.
10159 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10161 (*double_shori): Fix the split condition. Use GEN_INT instead
10162 of get_int_mode calls. Mask lower 16-bit of the argument of
10164 (sym2GOTPLT): Remove.
10165 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10167 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10168 instead of EXTRA_CONSTRAINT_C16.
10170 2006-01-07 Ian Lance Taylor <ian@airs.com>
10171 David Edelsohn <edelsohn@gnu.org>
10173 PR rtl-optimization/25662
10174 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10175 for constant operands instead of simplify_gen_binary.
10176 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10177 after trying simplify_binary_operation
10179 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10181 * tree.c (iterative_hash_expr): Hash decls based on UID.
10183 2006-01-06 Eric Christopher <echristo@apple.com>
10185 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10186 (TARGET_UNWIND_EMIT): Fix spelling.
10187 * target.h (gcc_target): Add except_table_label.
10188 * except.c (output_function_exception_table): Use.
10189 * varasm.c (default_emit_except_table_label): New.
10190 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10192 (asm_out): Add here.
10193 * output.h (default_emit_except_table_label): Prototype.
10194 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10195 * config/darwin.c (darwin_emit_except_table_label): Define.
10196 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10198 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10200 PR tree-optimization/18527
10201 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10202 number_of_iterations_special, number_of_iterations_exit):
10203 Move base and step of an iv to a single structure. Add
10204 no_overflow flag, and use it in # of iterations analysis.
10205 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10206 folded_casts argument.
10207 (simple_iv): Pass base and step in a structure. Set no_overflow
10209 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10210 Evaluate expensiveness of computing # of iterations instead of
10211 the final expression.
10212 * tree-scalar-evolution.h (affine_iv): New structure.
10213 (simple_iv): Declaration changed.
10214 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10215 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10216 find_givs_in_stmt): Changed due to simple_iv change.
10218 2006-01-06 Jeff Law <law@redhat.com>
10221 * tree-cfg.c (bsi_replace): Rename final argument from
10222 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10223 change (stmt -> orig_stmt).
10224 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10225 (bsi_remove): Add new argument. Remove EH information
10227 (verify_eh_throw_table_statements): New function.
10228 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10230 * tree-optimize.c (execute_free_cfg_annotations): Verify
10231 the EH throw statement table after removing annotations.
10232 * except.h (verify_eh_throw_table_statements): Prototype.
10233 * tree-flow.h (bsi_remove): Update prototype.
10234 * tree-vrp.c (remove_range_assertions): Add new argument to
10236 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10237 * tree-complex.c (expand_complex_div_wide): Likewise.
10238 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10239 * tree-tailcall.c (eliminate_tailcall): Likewise.
10240 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10241 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10242 * tree-nrv.c (tree_nrv): Likewise.
10243 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10244 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10245 (combine_blocks): Likewise.
10246 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10247 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10248 (cleanup_control_flow): Likewise.
10249 (remove_forwarder_block): Likewise.
10250 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10251 * tree-sra.c (sra_replace): Likewise.
10252 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10253 (forward_propagate_single_use_vars): Likewise.
10254 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10255 * tree-inline.c (expand_call_inline): Likewise.
10256 * tree-vect-transform.c (vect_transform_loop): Likewise.
10257 * tree-outof-ssa.c (rewrite_trees): Likewise.
10258 * tree-cfg.c (make_goto_expr_edges): Likewise.
10259 (cleanup_dead_labels): Likewise.
10260 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10261 (bsi_move_before, bsi_move_after): Likewise.
10262 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10263 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10265 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10268 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10270 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10271 on non gimple variables. Also add checks at the top for decls and
10273 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10275 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10276 and IMAGPART_EXPR for creating MUST_DEFs.
10277 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10278 and NAME_MEMORY_TAG separately from the DECLs.
10280 2006-01-06 Richard Guenther <rguenther@suse.de>
10282 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10283 annotation, if necessary.
10284 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10285 redundant calls to update_stmt.
10286 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10289 2006-01-05 Richard Henderson <rth@redhat.com>
10291 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10293 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10295 * c-typeck.c: Update copyright date.
10297 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10299 * c-typeck.c (build_c_cast): Always warn when casting
10300 from a pointer to an integer of different size, even if
10301 the node was constant.
10303 2006-01-05 Richard Guenther <rguenther@suse.de>
10305 PR tree-optimization/22555
10306 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10307 if one structure field is an array.
10308 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10309 operands even if we found a subvar, but ignore VOPs in this
10311 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10313 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10315 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10317 PR middle-end/24998
10318 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10320 2006-01-05 Richard Guenther <rguenther@suse.de>
10321 Diego Novillo <dnovillo@redhat.com>
10323 * tree-pass.h (TODO_remove_unused_locals): Define.
10324 * gimple-low.c (expand_var_p, remove_useless_vars,
10325 pass_remove_useless_vars): Remove. Update all users.
10326 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10327 (remove_unused_locals): New function.
10328 * tree-flow.h (remove_unused_locals): Declare.
10329 * passes.c (execute_todo): Call remove_unused_locals if
10330 TODO_remove_unused_locals is set.
10331 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10332 * tree-ssa-dce.c (pass_dce): Likewise.
10333 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10335 2006-01-05 Richard Guenther <rguenther@suse.de>
10337 * tree-flow.h (struct fieldoff): Decompose field to
10338 type, size and decl.
10339 * tree-ssa-alias.c (create_sft): Take type as parameter.
10340 (create_overlap_variables_for): Store type, size and decl
10341 in the fieldoff structure.
10342 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10343 of struct fieldoff.
10344 (push_fields_onto_fieldstack): Likewise.
10345 (create_variable_info_for): Likewise. Use offset for the
10346 SFT name if the decl is not available.
10348 2006-01-04 Paul Brook <paul@codesourcery.com>
10350 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10352 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10354 * lambda-code.c (can_put_in_inner_loop): Relax
10356 (can_put_after_inner_loop): New function.
10357 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10358 (perfect_nestify): Change to make copies and modify uses.
10360 2006-01-04 Richard Henderson <rth@redhat.com>
10362 Merge from gomp branch:
10363 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10364 via integer constant.
10365 (pragma_lex): Remove.
10366 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10367 rather than parsing it.
10368 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10369 handle_pragma_extern_prefix): Add %< %> quotes.
10370 (registered_pragmas): New.
10371 (c_register_pragma_1): New.
10372 (c_register_pragma): Use it.
10373 (c_register_pragma_with_expansion): Likewise.
10374 (c_invoke_pragma_handler): New.
10375 (init_pragma): Use cpp_register_deferred_pragma directly for
10377 * c-pragma.h (enum pragma_kind): New.
10378 (pragma_handler): New.
10379 (c_invoke_pragma_handler): Declare.
10380 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10382 * c-common.h (c_common_pch_pragma): Update decl.
10383 * Makefile.in (c-parser.o): Update dependencies.
10384 (GTFILES): Add c-pragma.h.
10385 * c-parser.c (struct c_token): Add pragma_kind.
10386 (struct c_parser): Add in_pragma.
10387 (c_lex_one_token): Always initialize keyword and pragma_kind.
10388 Extract data for CPP_PRAGMA.
10389 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10390 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10391 Don't allow CPP_PRAGMA_EOL if in_pragma.
10392 (c_parser_consume_pragma): New.
10393 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10394 (c_parser_skip_to_end_of_parameter): Likewise.
10395 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10396 (c_parser_skip_to_pragma_eol): New.
10397 (c_parser_external_declaration): Handle CPP_PRAGMA.
10398 (c_parser_compound_statement_nostart): Likewise.
10399 (c_parser_statement_after_labels): Likewise.
10400 (c_parser_pragma): New.
10401 (pragma_lex): Likewise.
10402 (c_parser_pragma_pch_preprocess): New.
10403 (c_parser_new): Merge into ...
10404 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10406 2006-01-04 Jeff Law <law@redhat.com>
10409 * tree-cfg.c (bsi_replace): Remove the original statement
10410 from the EH throw statement table.
10412 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10414 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10415 make the prototype extern "C" and add throw ().
10418 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10419 and pos non-negative and pos + len <= 32.
10420 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10421 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10422 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10425 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10426 as well as sizes not multiple of component size.
10429 * function.c (instantiate_expr): New function.
10430 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10431 walk its DECL_VALUE_EXPR with instantiate_expr.
10433 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10434 DW_OP_deref{,_size} if address isn't going to be added.
10436 2006-01-04 Ben Elliston <bje@au.ibm.com>
10438 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10439 * config/fp-bit.c: Likewise.
10441 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10443 * dominance.c: Add comment about why we use DFS numbering
10446 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10447 Richard Henderson <rth@redhat.com>
10449 Merge from gomp-branch:
10450 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10451 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10453 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10455 PR rtl-optimization/25578
10456 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10457 pass a parameter to simplify_shift_const if changing ASHIFTRT
10460 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10462 * builtins.c (get_builtin_sync_mem): New function.
10463 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10464 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10465 Call get_builtin_sync_mem to generate mem rtx.
10467 2006-01-03 Richard Guenther <rguenther@suse.de>
10470 * stmt.c (add_case_node): Make sure to clear overflow flags
10473 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10475 Merge from gomp-branch.
10476 * config/sparc/sync.md: New file.
10477 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10478 UNSPECV_LDSTUB): New constants.
10479 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10480 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10481 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10484 2006-01-03 Roger Sayle <roger@eyesopen.com>
10486 * combine.c (reg_subword_p): New predicate to test whether the
10487 destination of a set refers to a subword/piece of a register.
10488 (try_combine): Generalize the code to merge the setting of a
10489 pseudo to a constant followed by a set of a subword of that
10490 register to a constant.
10492 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10494 * basic-block.h (control_flow_graph): Change the type of
10495 x_label_to_block_map to VEC(basic_block,gc) *.
10496 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10497 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10499 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10500 VEC(basic_block,heap) *.
10501 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10502 ssa_prop_fini): Adjust the uses of cfg_blocks.
10504 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10506 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10508 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10509 hashing trees instead of a pointer hash.
10510 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10511 compare for MEM_EXPR.
10513 PR rtl-optimization/25130
10514 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10515 when comparing MEMs for GCSE
10517 2006-01-03 Ben Elliston <bje@au.ibm.com>
10519 * targhooks.h (default_decimal_float_supported_p): Declare.
10520 * targhooks.c (default_decimal_float_supported_p): Define.
10521 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10522 `default_decimal_float_supported_p'.
10523 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10525 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10527 * combine.c (apply_distributive_law <SUBREG>): Check
10528 TRULY_NOOP_TRUNCATION.
10530 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10532 * dwarf2out.c (have_switched_text_section): Delete.
10533 (have_multiple_function_sections): New.
10534 (have_location_lists): Make 'bool'.
10535 (add_AT_loc_list): Use 'true' not '1'.
10536 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10537 (output_loc_list): Use have_multiple_function_sections.
10538 (output_ranges): Likewise.
10539 (dwarf2out_begin_function): Set have_multiple_function_sections if
10541 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10542 Check function_section rather than DECL_SECTION_NAME.
10543 (dwarf2out_finish): Use have_multiple_function_sections.
10544 Don't clear have_location_lists.
10546 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10547 Jan Hubicka <jh@suse.cz>
10549 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10550 case of conditional jump jumping to the next instruction.
10551 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10552 cases of conditional jump jumping to the next instruction.
10554 2006-01-02 Jan Hubicka <jh@suse.cz>
10556 * i386.c (*_cost): Add COSTS_N_INSNS.
10557 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10559 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10562 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10564 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10566 * config/arm/arm.c (all_fpus): Fix comment typo.
10567 * config/darwin.c: Likewise.
10568 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10569 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10570 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10572 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10574 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10575 (rs6000_split_compare_and_swapqhi): New.
10576 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10577 (sync_compare_and_swapqhi_internal): New.
10578 * config/rs6000/rs6000-protos.h: Declare.
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