1 2006-05-05 David Edelsohn <edesohn@gnu.org>
3 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4 scratch with output modifier.
6 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12 2006-05-04 Richard Sandiford <richard@codesourcery.com>
15 * config/mips/mips.c (mips_symbolic_address_p): Return true
16 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
17 SYMBOL_GOTTPREL, and SYMBOL_TLS.
19 2006-05-04 Richard Guenther <rguenther@suse.de>
21 PR tree-optimization/14287
22 PR tree-optimization/14844
23 PR tree-optimization/19792
24 PR tree-optimization/21608
25 PR tree-optimization/27090
26 * tree-ssa-pre.c (try_combine_conversion): New function.
27 (compute_avail): After constructing the value-handle
28 expression, use try_combine_conversion to combine NOP_EXPRs
29 with previous value-handle expressions and use the result if it
32 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
34 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
36 2006-05-04 Jan Hubicka <jh@suse.cz>
39 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
41 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
43 * config/bfin/predicates.md (const01_rtx): Tell generator programs
44 that this only matches CONST_INTs. All users changed to VOIDmode
47 * config/bfin/bfin.c: Include "optabs.h".
48 (bfin_rtx_costs): Some costs for vector operations, to allow combine
50 (enum bfin_builtins): Add a number of fractional and vector builtins.
51 (bfin_init_builtins): Likewise.
52 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
53 (safe_vector_operand, bfin_expand_binop_builtin,
54 bfin_expand_unop_builtin): New functions.
55 (bfin_expand_builtin): Handle the new builtins.
56 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
59 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
62 * Makefile.in (OBJS-common): Add see.o.
63 (see.o): Add dependencies.
64 * common.opt (fsee): New flag for the see optimization was added.
65 * opts.c (flag_see): Initialized.
66 * passes.c (init_optimization_passes, pass_see): New pass.
67 * rtl.h (see_main): Declaration as extern.
68 * timevar.def (TV_SEE): New.
69 * tree-pass.h (pass_see): Declaration as extern.
70 * invoke.texi (-fsee): Document.
71 * recog.c (validate_simplify_insn): New function.
72 * recog.h (validate_simplify_insn): Declaration as extern.
73 * df-problems.c (df_chain_dump): Check for NULL.
75 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
76 Daniel Berlin <dberlin@dberlin.org>
78 * cfgrtl.c (insert_insn_bb_end_new): New function.
79 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
81 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
83 * df.h (struct web_entry): Moved from web.c.
84 (union_defs): Declaration as extern.
85 (unionfind_root): Likewise.
86 (unionfind_union): Likewise.
87 * web.c (struct web_entry): Moved to df.h.
88 (unionfind_root): Remove static declaration.
89 (unionfind_union): Likewise.
90 (union_defs): Likewise and generalize to use callback function.
91 (web_main): Update arguments for union_defs function call.
93 2006-05-04 Richard Guenther <rguenther@suse.de>
95 PR tree-optimization/26447
96 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
97 produce SSA_NAME copies before the store stmt to avoid
98 breaking exception handling.
100 2006-05-04 Jakub Jelinek <jakub@redhat.com>
103 * gimplify.c (omp_is_private): If var is shared in some outer context,
104 return false instead of true. Stop searching on parallel context
107 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
110 * coverage.c: Use get_gcov_unsigned_t() instead of
111 unsigned_type_node all over.
113 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
115 PR tree-optimization/27381
116 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
117 maintain the same immediate_use links.
118 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
119 node rather than segfaulting.
121 2006-05-03 Jakub Jelinek <jakub@redhat.com>
124 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
125 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
126 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
128 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
130 Fix PR tree-optimization/26626
131 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
133 * tree-ssa-operands.c (access_can_touch_variable): Allow
134 typecasting through union pointers.
136 2006-05-02 Jakub Jelinek <jakub@redhat.com>
139 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
140 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
141 to find if var will be a global variable even in the nested context.
142 (omp_copy_decl): Only check for global variable at the end, it might
143 be overridden in outer contexts.
144 (scan_sharing_clauses): For global variables don't create a field.
145 (lower_rec_input_clauses): Do nothing for global shared variables.
146 Emit a barrier at the end of ILIST if there were any decls in both
147 firstprivate and lastprivate clauses.
148 (lower_send_clauses): Do nothing for global variables except for
151 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
153 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
154 of the correct signedness is returned.
156 2006-05-02 Jeff Law <law@redhat.com>
158 PR tree-optimization/27364
159 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
160 multiply expressions.
162 2006-05-02 Tom Tromey <tromey@redhat.com>
164 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
166 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
169 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
170 -mthumb -fPIC are used.
172 2006-05-02 Joshua Kinard <kumba@gentoo.org>
175 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
176 with 64-bit pointers.
178 2006-05-02 Paul Brook <paul@codesourcery.com>
180 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
182 (create_fix_barrier): Check that a suitable barrier location is
184 (arm_reorg): Include ftmp->address in allowable range of addresses.
186 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
189 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
192 2006-05-02 Jakub Jelinek <jakub@redhat.com>
195 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
196 around RESULT_DECL for result passed by reference.
197 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
198 * omp-low.c (use_pointer_for_field): Don't look at
199 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
200 (scan_omp_1): Call remap_decl on RESULT_DECLs.
201 (lower_rec_input_clauses): Don't allocate VLA memory for the second
202 time or var for passing by reference for
203 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
204 TREE_ADDRESSABLE variables when passing by reference.
206 * omp-low.c (dump_omp_region): Fix output formatting.
209 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
210 (expand_omp_parallel): Likewise.
211 * tree-cfg.c (move_sese_region_to_fn): Likewise.
214 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
215 on statement list containing also constructors and destructors.
216 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
219 * except.c (duplicate_eh_regions): Fix clearing of
220 cfun->eh->region_array entries.
222 2006-05-01 DJ Delorie <dj@redhat.com>
224 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
226 (gcc_cv_objdump): Likewise.
227 * configure: Regenerated.
229 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
232 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
233 templates for case 3 and 4.
235 2006-05-01 DJ Delorie <dj@redhat.com>
237 * vec.c: Include bconfig.h when appropriate.
238 * Makefile.in (build/vec.o): Adjust dependencies.
239 * mkconfig.sh: Make sure config.h isn't used for build machine
242 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
244 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
246 (mark_phi_for_rewrite): New function.
247 (insert_phi_nodes_for, mark_use_interesting): Call
248 mark_phi_for_rewrite.
249 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
250 (update_ssa): Initialize and free phis_to_rewrite.
252 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
254 PR rtl-optimization/27291
255 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
256 folded to a constant.
258 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
260 PR tree-optimization/27283
261 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
262 not whole # of iteration descriptions.
263 (niter_for_exit): Return just # of iterations. Fail if # of iterations
264 uses abnormal ssa name.
265 (niter_for_single_dom_exit): Ditto.
266 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
267 return just the number of iterations.
269 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
271 PR tree-optimization/27144
272 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
273 (record_estimate): Only record constant upper bound.
274 (infer_loop_bounds_from_undefined): Call
275 compute_estimated_nb_iterations just once.
276 (proved_non_wrapping_p): Renamed to ...
277 (n_of_executions_at_most): ... this. Expect bound to be a constant.
278 (convert_step_widening, scev_probably_wraps_p): Call
279 n_of_executions_at_most instead of proved_non_wrapping_p.
280 (substitute_in_loop_info): Do not replace values in bounds.
281 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
284 2006-05-01 Richard Henderson <rth@redhat.com>
287 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
288 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
291 2006-05-01 Roger Sayle <roger@eyesopen.com>
293 * c-typeck.c (parser_build_binary_op): Don't call the function
294 unsigned_conversion_warning to spot operand/result type overflow.
295 (build_binary_op): Instead, call convert_and_check instead of
296 convert to report the problem when the operands are promoted.
297 * c-common.c (unsigned_conversion_warning): Make static.
298 * c-common.h (unsigned_conversion_warning): Delete prototype.
300 2006-05-01 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/26726
303 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
305 (find_interesting_uses_address): ... we work around here
306 by folding INDIRECT_REFs in the substituted base.
308 2006-05-01 Diego Novillo <dnovillo@redhat.com>
310 * omp-low.c (dump_omp_region): Add newlines.
312 2006-04-30 Roger Sayle <roger@eyesopen.com>
314 * common.opt (Woverflow): New command line option.
315 * c-common.c (constant_expression_warning): Check warn_overflow.
316 (overflow_waring): Pass OPT_Woverflow to warning.
317 (unsigned_conversion_warning): Likewise.
318 (convert_and_check): Likewise.
319 * doc/invoke.texi: Document new command line option.
321 2006-04-30 David Edelsohn <edelsohn@gnu.org>
323 * config/rs6000/rs6000.c (rs6000_override_options): Enable
324 TARGET_NO_FP_IN_TOC for section anchors.
325 (optimization_options): Enable section anchors for all
326 non-"Objective" languages.
328 2006-04-28 Eric Christopher <echristo@apple.com>
330 * config/darwin-c.c (darwin_ms_struct): Move this
331 (darwin_set_default_type_attributes): and this...
332 * config/darwin.c: ... here.
333 * config/darwin.h (darwin_ms_struct): Declare.
335 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
337 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
339 2006-04-28 Roger Sayle <roger@eyesopen.com>
342 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
343 (push_array_bounds): Delete prototype. Change BOUNDS argument to
344 an unsigned HOST_WIDE_INT.
345 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
347 (really_start_incremental_init): No need to call convert because
348 bitsize_zero_node is already of type bitsizetype.
349 (push_init_level): Extract the value of constructor_index as an
350 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
351 (process_init_element): Likewise.
353 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
355 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
356 value before passing to make_relative_prefix.
358 2006-04-28 Alan Modra <amodra@bigpond.net.au>
361 * builtins.c (expand_builtin_memset): Expand val in original mode.
363 2006-04-27 Eric Christopher <echristo@apple.com>
365 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
367 * config/darwin-c.c (darwin_ms_struct): New.
368 (darwin_pragma_ms_struct): Ditto.
369 (darwin_set_default_type_attributes): Ditto.
370 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
371 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
372 Register ms_struct pragma.
373 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
374 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
375 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
376 darwin_set_default_type_attributes if TARGET_MACHO.
378 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
380 PR tree-optimization/26854
381 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
382 * doc/tree-ssa.texi: Update immuse iterator documentation.
383 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
385 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
386 first_safe_imm_use, next_safe_imm_use): Remove.
387 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
388 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
389 (move_use_after_head): New. Helper function to sort immuses in a stmt.
390 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
391 (first_imm_use_stmt): New. Get first stmt in an immuse list.
392 (next_imm_use_stmt): New. Get next stmt in an immuse list.
393 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
394 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
395 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
396 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
397 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
398 (perfect_nestify): Use new iterator.
399 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
401 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
402 (next_imm_name): New field in struct immediate_use_iterator_d.
403 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
404 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
405 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
406 * tree-cfg.c (replace_uses_by): Use new iterator.
407 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
408 * tree-ssa-operands.c (correct_use_link): Remove.
409 (finalize_ssa_use_ops): No longer call correct_use_link.
411 2006-04-27 Stuart Hastings <stuart@apple.com>
413 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
414 * config/t-darwin (crt3.o): Use it.
415 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
416 'pmode', use Pmode instead of SImode for SYMBOL_REF.
417 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
418 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
419 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
422 2006-04-27 Roger Sayle <roger@eyesopen.com>
424 * expmed.c (store_fixed_bit_field): If we're not optimizing for
425 size, force the intermediate into a new pseudo rather instead of
426 performing both a bitwise AND and a bitwise IOR in memory.
428 2006-04-27 Richard Guenther <rguenther@suse.de>
430 PR rtl-optimization/26685
431 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
432 this one "max-flow-memory-locations".
434 2006-04-27 Richard Guenther <rguenther@suse.de>
436 PR tree-optimization/25148
437 * tree-vrp.c (compare_values): Remove code dealing with
438 comparisons against type min/max value. Honour overflow
439 and negative constants in code dealing with comparisons
440 of plus and minus expressions.
441 (value_inside_range): Use fold_binary with LE_EXPR and
442 GE_EXPR rather than compare_values.
444 2006-04-27 Dirk Mueller <dmueller@suse.de>
446 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
449 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
451 * basic-block.h (safe_insert_insn_on_edge): Removed.
452 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
455 2006-04-26 David Edelsohn <edelsohn@gnu.org>
456 Paolo Bonzini <bonzini@gnu.org>
459 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
460 (simplify_and_const_int): Same.
462 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
464 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
466 2006-04-26 Jakub Jelinek <jakub@redhat.com>
469 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
470 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
471 cgraph_global_info_ready.
474 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
477 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
478 either decl or init is error_mark_node.
481 * tree-flow.h (struct omp_region): Add sched_kind.
482 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
483 instead of extracting omp for data.
484 (expand_omp_for): Save extracted sched_kind.
486 2006-04-25 Roger Sayle <roger@eyesopen.com>
488 * expmed.c (store_bit_field): Also check whether the bitsize is
489 valid for the machine's "insv" instruction before moving the
490 target into a pseudo for use with the insv.
491 * config/i386/predicates.md (const8_operand): New predicate.
492 * config/i386/i386.md (extv, extzv, insv): Use the new
493 const8_operand predicate where appropriate.
495 2006-04-25 DJ Delorie <dj@redhat.com>
497 * doc/install.texi (Specific): Clarify that this is not a list of
498 supported hosts or targets.
500 2006-04-25 Richard Sandiford <richard@codesourcery.com>
502 PR rtl-optimization/26725
503 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
504 block's BB_DIRTY flag.
506 2006-04-25 Geoffrey Keating <geoffk@apple.com>
508 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
511 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
514 2006-04-25 David Edelsohn <edelsohn@gnu.org>
516 * varasm.c (align_variable): New function.
517 (get_block_for_decl): Apply align_variable to DECL before
518 calculating section information.
519 (assemble_variable): Split out alignment computation.
521 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
523 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
526 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
528 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
529 MODE_PARTIAL_INT mode.
530 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
531 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
533 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
534 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
536 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
538 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
540 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
541 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
542 MACFLAG_IH): Likewise.
543 (movstricthi_1): Renamed from "*movstricthi".
544 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
545 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
546 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
547 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
548 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
549 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
550 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
551 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
552 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
553 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
554 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
555 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
556 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
557 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
558 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
560 * doc/rtl.texi (ss_ashift): Improve wording.
562 2006-04-24 Geoffrey Keating <geoffk@apple.com>
564 * dwarf2out.c (verify_marks_clear): New.
565 (prune_unused_types): Call verify_marks_clear initially, not
568 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
570 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
571 * doc/rtl.texi: Document them.
572 * simplify-rtx.c (simplify_unary_operation,
573 simplify_binary_operation_1): Don't abort when we see them.
575 2006-04-24 Mark Mitchell <mark@codesourcery.com>
578 2006-04-23 Mark Mitchell <mark@codesourcery.com>
579 * configure.ac: Completely disregard languages that are not
581 * configure: Regenerated.
583 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
584 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/27236
587 * tree-inline.c (copy_body_r): Make sure to copy
588 TREE_THIS_VOLATILE flag.
590 2006-04-24 Richard Guenther <rguenther@suse.de>
593 * tree-complex.c (update_parameter_components): Don't handle
594 unused parameters which have no default def.
596 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
597 Richard Guenther <rguenther@suse.de>
599 PR tree-optimization/27218
600 * tree-inline.c (expand_call_inline): Strip useless type
601 conversions for the return slot address.
603 2006-04-24 Richard Guenther <rguenther@suse.de>
605 * cfgloop.h (struct loops): Remove unused field array. Reorder
607 (LOOP_PREFETCH): Remove.
609 2006-04-24 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/22525
612 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
613 variable, adjust types of generated expressions.
615 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
617 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
618 (tree-vect-patterns.o): Likewise.
620 (cselib.o): Likewise.
621 (loop-doloop.o): Likewise.
622 (regclass.o): Likewise.
623 (reload1.o): Likewise.
624 (explow.o): Replace target.h with $(TARGET_H).
625 (ipa-prop.o): Likewise.
626 (ipa-cp.o): Likewise.
627 (ipa-inline.o): Likewise.
629 (reg-stack.o): Likewise.
631 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
633 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
635 2006-04-23 Mark Mitchell <mark@codesourcery.com>
637 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
639 * configure.ac: Completely disregard languages that are not
641 * configure: Regenerated.
644 * c-common.h (c_build_bitfield_integer_type): Declare.
645 * c-decl.c (c_build_bitfield_integer_type): Move to ...
646 * c-common.c (c_build_bitfield_integer_type): ... here.
648 2006-04-23 Roger Sayle <roger@eyesopen.com>
651 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
652 a SImode SUBREG of a floating point register after no_new_pseudos.
654 2006-04-23 Roger Sayle <roger@eyesopen.com>
656 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
657 identify potentially eliminable registers to additionally catch
658 VIRTUAL_INCOMING_ARGS_REGNUM.
659 (addsi3): Update the conditions on when to use addsi_small_int.
661 2006-04-23 Roger Sayle <roger@eyesopen.com>
664 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
665 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
666 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
668 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
670 * fold-const.c (range_predecessor): Use operand_equal_p
671 as the predicate for equality.
672 (range_successor): Likewise.
674 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
677 * config/soft-fp/op-common.h: Fix a typo.
679 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
682 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
683 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
685 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
687 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
689 * doc/tm.texi: Fix a typo.
691 2006-04-21 Geoffrey Keating <geoffk@apple.com>
693 * dwarf2out.c (struct die_struct): Document that die_sib makes
694 a circular linked list.
695 (FOR_EACH_CHILD): New.
696 (reverse_die_lists): Delete.
697 (reverse_all_dies): Delete.
698 (add_dwarf_attr): Correct documentation.
699 (remove_child_with_prev): New.
700 (remove_child_TAG): Update for change to die_struct, use
701 remove_child_with_prev.
702 (add_child_die): Update for change to die_struct.
703 (splice_child_die): Use remove_child_with_prev and add_child_die.
704 (print_die): Use FOR_EACH_CHILD.
705 (die_checksum): Likewise.
706 (assign_symbol_names): Likewise.
707 (output_location_lists): Likewise.
708 (build_abbrev_table): Likewise.
709 (calc_die_sizes): Likewise.
710 (mark_dies): Likewise.
711 (unmark_dies): Likewise.
712 (unmark_all_dies): Likewise.
713 (output_die): Likewise.
714 (prune_unused_types_mark): Likewise.
715 (prune_unused_types_walk): Likewise.
716 (same_die_p): Update for change to die_struct.
717 (break_out_includes): Likewise.
718 (prune_unused_types_prune): Likewise.
719 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
720 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
722 (dwarf2out_finish): Don't call reverse_all_dies.
724 2006-04-21 Eric Christopher <echristo@apple.com>
726 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
727 in comments and function names.
729 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
732 * c-typeck.c (digest_init): Robustify.
734 * c-typeck.c (pop_init_level): Simplify.
736 2006-04-21 Steve Ellcey <sje@cup.hp.com>
738 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
740 2006-04-21 Paul Brook <paul@codesourcery.com>
742 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
743 hardware floating point.
745 2006-04-21 David Edelsohn <edelsohn@gnu.org>
747 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
750 2006-04-21 Nick Clifton <nickc@redhat.com>
752 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
755 2006-04-21 Alan Modra <amodra@bigpond.net.au>
758 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
759 C++ lang type in traceback table for Objective-C++.
761 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
763 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
765 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
767 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
770 * tree-mudflap.c (mudflap_finish_file): Skip function when there
771 were errors. Remove check for erroneous objects.
773 2006-04-20 Jeff Law <law@redhat.com>
775 PR tree-optimization/26854
776 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
777 checking for zero or one use.
778 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
779 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
780 * tree-ssa-reassoc.c (negate_value): Similarly.
781 (reassociate_bb): Similarly.
783 2006-04-20 Jakub Jelinek <jakub@redhat.com>
785 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
786 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
787 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
789 2006-04-20 Alan Modra <amodra@bigpond.net.au>
791 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
792 fp regs if the last fp arg doesn't fit in regs.
794 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
797 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
798 that the last insn has the REG_INC note.
800 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
801 Nathan Sidwell <nathan@codesourcery.com>
804 * stor-layout.c (update_alignment_for_field): Do not align
806 (place_union_field): Place union field at the start of the union.
807 (place_field): Move ERROR_MARK check later, and use the current
808 allocation position to maintain monotonicity.
810 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
812 * dominance.c: Include timevar.h.
813 (calculate_dominance_info): Use TV_DOMINANCE.
814 * timevar.def (TV_DOMINANCE): New timevar.
815 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
817 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
819 PR rtl-optimization/14261
820 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
821 move would be an INSV insn.
822 (noce_process_if_block): Don't optimize if the destination is a
823 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
825 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
827 * config/s390/s390.md: Add comments with the instructions emitted
828 by an insn pattern if macros are used.
830 2006-04-19 Alan Modra <amodra@bigpond.net.au>
832 PR rtl-optimization/26026
833 * fold-const.c (fold_binary): Optimize div and mod where the divisor
834 is a known power of two shifted left a variable amount.
836 2006-04-18 Geoffrey Keating <geoffk@apple.com>
838 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
839 to hash table twice when the debug_str section has SECTION_MERGE.
841 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
843 * config/soft-fp: New directory. From glibc.
844 * config/soft-fp/t-softfp: New.
845 * config/soft-fp/README: New.
846 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
847 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
848 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
849 (LIBGCC_DEPS): Add $(SFP_MACHINE).
850 * config.gcc: Use rs6000/t-fprules-fpbit or
851 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
853 * config/rs6000/sfp-machine.h: New. Based on glibc.
854 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
856 * config/rs6000/t-fprules: Remove fp-bit rules.
857 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
858 * config/rs6000/t-linux64: Likewise. Remove duplicates from
859 LIB2FUNCS_EXTRA. Remove fp-bit rules.
860 (softfp_wrap_start, softfp_wrap_end): New.
862 2006-04-18 DJ Delorie <dj@redhat.com>
864 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
866 2006-04-18 Devang Patel <dpatel@apple.com>
868 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
870 2006-04-18 Nick Clifton <nickc@redhat.com>
872 * config/sh/t-symbian: Add rule to build sh-c.o
873 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
874 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
875 (sh_symbian_encode_section_info): Likewise.
877 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
879 * builtins.c (expand_builtin_strcmp): Cover label definition of
880 do_libcall with HAVE_cmpstrnsi.
882 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
884 * function.c (temp_slots_at_level, max_slot_level): Use VEC
886 * function.h (temp_slot_p): New.
887 (function): Change the type of x_used_temp_slots to
888 VEC(temp_slot_p,gc) *.
890 2006-04-18 Nick Clifton <nickc@redhat.com>
892 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
893 flag_strength_reduce.
895 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
897 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
901 Partial revert of revision 112637
902 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
903 Dale Johannesen <dalej@apple.com>
906 * regclass.c (struct reg_pref): Update documentation.
907 (regclass): Set prefclass to NO_REGS if memory is the best option.
908 (record_reg_classes): Cope with a prefclass set to NO_REGS.
910 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
912 PR tree-optimization/26821
913 * tree-ssa-math-opts.c (get_constant_one): New.
914 (insert_reciprocals): Use it.
916 2006-04-17 Geoffrey Keating <geoffk@apple.com>
918 * dwarf2out.c (free_AT): Delete.
919 (remove_AT): Update string ref counts.
920 (remove_child_TAG): Don't call free_die.
922 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
924 (prune_unused_types_walk_attribs): Reset string refcounts.
925 (prune_unused_types_update_strings): New.
926 (prune_unused_types_prune): Don't make unnecessary stores. Don't
927 call free_die. Do call prune_unused_types_update_strings.
928 (prune_unused_types): Empty debug_str_hash.
930 2006-04-17 Roger Sayle <roger@eyesopen.com>
932 * expr.c (expand_assignment): Optimize away no-op moves where the
933 source and destination are equal and have no side-effects.
935 2006-04-17 Richard Guenther <rguenther@suse.de>
938 * reload.c (push_reload): Guard calls to get_secondary_mem
941 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
943 * alias.c (reg_base_value, old_reg_base_value): Change the
944 type to VEC(rtx,gc) *.
945 (REG_BASE_VALUE, find_base_value, record_set,
946 init_alias_analysis): Use VEC instead of VARRAY.
948 * alias.c (alias_sets): Change the type to
949 VEC(alias_set_entry,gc) *.
950 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
951 VEC instead of VARRAY.
952 (last_alias_set): Remove.
954 * cgraph.h (cgraph_edge_p): New.
955 Update the prototype of cgraph_function_versioning.
956 * cgraphunit.c (cgraph_copy_node_for_versioning,
957 cgraph_function_versioning): Use VEC instead of VARRAY.
958 * ipa-cp.c (ipcp_insert_stage): Likewise.
960 2006-04-16 Roger Sayle <roger@eyesopen.com>
963 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
964 "A op B" or "A op C", we may need to convert A to the type of B and C.
966 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
968 * target.h (struct gcc_target): Add mode_rep_extended.
969 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
970 (init_num_sign_bit_copies_in_rep): Initialize it using
972 (truncate_to_mode): Use it.
973 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
974 * targhooks.h (default_mode_rep_extended): Declare it.
975 * targhooks.c (default_mode_rep_extended): Define it.
976 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
977 default_mode_rep_extended.
978 (TARGET_INITIALIZER): Include it.
979 * doc/tm.texi (Misc): Document it.
980 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
981 (mips_truncated_to_mode): New function.
983 2006-04-16 Roger Sayle <roger@eyesopen.com>
986 * expr.c (compress_float_constant): Copy the narrow constant into
987 a new pseudo before extending it to its final width.
989 2006-04-16 Roger Sayle <roger@eyesopen.com>
990 Andrew Pinski <pinskia@gcc.gnu.org>
991 Dale Johannesen <dalej@apple.com>
994 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
995 special case code to implement V8HImode and V16QImode with SSE2.
997 2006-04-15 Roger Sayle <roger@eyesopen.com>
999 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1000 trees are constructed with a suitable tree type.
1002 2006-04-15 Roger Sayle <roger@eyesopen.com>
1004 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1005 (integer_onep): Likewise.
1006 (integer_all_onesp): Likewise.
1007 (integer_pow2p): Likewise.
1008 (integer_nonzerop): Likewise.
1009 (real_zerop): Likewise.
1010 (real_onep): Likewise.
1011 (real_twop): Likewise.
1012 (real_minus_onep): Likewise.
1013 (int_size_in_bytes): Likewise.
1014 (host_integerp): Likewise.
1016 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1018 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1019 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1020 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1022 * tree-ssa-structalias.h (alias_info): Remove num_references.
1024 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1026 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1027 (output_bvb patterns): Likewise.
1028 * pa.c (output_bb): Use 'bb' insn for long branch case.
1029 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1030 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1031 1. Correct length operand for alternatives 1 and 2.
1032 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1033 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1035 2006-04-14 Roger Sayle <roger@eyesopen.com>
1037 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1038 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1039 were accidentally reverted by r112959.
1041 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1044 * except.h (eh_region_outermost): New prototype.
1045 * except.c (eh_region_outermost): New function.
1046 * tree-cfg.c (find_outermost_region_in_block): Use it.
1048 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1050 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1052 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1053 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1054 (init_reload, reload): Use VEC instead of VARRAY.
1055 * reload.h: Update the prototype for
1056 reg_equiv_memory_loc_varray.
1058 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1059 Eric Botcazou <ebotcazou@libertysurf.fr>
1061 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1064 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1067 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1068 to expand fallback builtin function call.
1070 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1073 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1074 and emit libcall here in case the builtin fails.
1075 (expand_builtin_strcmp): Always emit the libcall here on failure.
1077 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1079 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1080 * flow.c (reg_n_info): Change the type to
1081 VEC(reg_info_p,heap) *.
1082 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1084 * regs.h (reg_info_p): New.
1085 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1086 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1087 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1090 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1092 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1094 * params.h (MAX_SCHED_READY_INSNS): New macro.
1095 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1096 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1097 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1098 the ready list for 1 cycle during the first scheduling pass.
1099 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1101 2006-04-13 Richard Henderson <rth@redhat.com>
1104 * gimple-low.c (lower_omp_directive): Remove dead code.
1105 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1106 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1107 * omp-low.c (struct omp_region): Move to tree-flow.h.
1108 (root_omp_region): Export.
1109 (omp_regions, lookup_omp_region): Remove.
1110 (determine_parallel_type): Update for struct omp_region changes.
1111 (dump_omp_region): Dump regions with block numbers.
1112 (new_omp_region): Take type and block instead of stmt; malloc
1114 (free_omp_region_1, free_omp_regions): New.
1115 (expand_parallel_call): Take entry_stmt as argument; update for
1116 changes to omp_region.
1117 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1118 (remove_exit_barriers): New.
1119 (expand_omp_parallel): Update for struct omp_region changes.
1120 (expand_omp_synch): Likewise.
1121 (expand_omp): Likewise.
1122 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1123 (expand_omp_for_static_chunk): Likewise.
1124 (expand_omp_for): Likewise.
1125 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1126 (expand_omp_sections): Similarly, with GOMP_sections_end.
1127 (expand_omp_single): New.
1128 (build_omp_regions_1): Update for OMP_CONTINUE.
1129 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1130 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1131 OMP_SECTIONS_SECTIONS.
1132 (lower_omp_single_simple): Don't emit barrier here.
1133 (lower_omp_single_copy): Likewise.
1134 (lower_omp_single): Fix bindings, and lower to straightline now.
1135 (lower_omp_master, lower_omp_ordered): Likewise.
1136 (lower_omp_critical): Likewise.
1137 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1138 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1139 omp edges, free it afterward.
1140 (make_omp_sections_edges): Remove.
1141 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1142 (move_stmt_r): Handle OMP_CONTINUE.
1143 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1144 statement pointers to basic blocks. Add type member.
1145 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1146 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1147 * tree-inline.c (estimate_num_insns_1): Likewise.
1148 * tree-pretty-print.c (dump_generic_node): Likewise.
1149 * tree-ssa-operands.c (get_expr_operands): Likewise.
1150 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1151 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1152 (OMP_CONTINUE): New.
1153 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1154 (OMP_SECTIONS_SECTIONS): Remove.
1155 (OMP_SECTION_LAST): New.
1156 (OMP_RETURN_NOWAIT): New.
1158 2006-04-13 Roger Sayle <roger@eyesopen.com>
1160 * fold-const.c (native_encode_vector, native_interpret_real):
1161 Correct obvious mistakes in the previous check-in.
1163 2006-04-13 Roger Sayle <roger@eyesopen.com>
1165 * fold-const.c (native_encode_expr): New function to encode
1166 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1167 or VECTOR_CST into a specified buffer.
1168 (native_encode_int): New function.
1169 (native_encode_real): New function.
1170 (native_encode_complex): New function.
1171 (native_encode_vector): New function.
1172 (native_interpret_expr): Inverse of native_encode_expr to convert
1173 a target representation into an INTEGER_CST, REAL_CST etc...
1174 (native_interpret_int): New function.
1175 (native_interpret_real): New function.
1176 (native_interpret_complex): New function.
1177 (native_interpret_vector): New function.
1178 (fold_view_convert_expr): New function to constant fold/evaluate
1179 a VIEW_CONVERT_EXPR of a suitable constant expression.
1180 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1181 Change call of build1 to fold_build1 when constructing a
1184 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1185 Ulrich Weigand <uweigand@de.ibm.com>
1188 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1191 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1194 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1195 optimize to lo_sum for DFmode if !TARGET_FPRS.
1197 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1199 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1200 delete_alias_info, compute_flow_sensitive_aliasing,
1201 group_aliases): Use VEC instead of VARRAY.
1202 * tree-ssa-structalias.c (update_alias_info): Likewise.
1203 * tree-ssa-structalias.h (alias_info): Change the type of
1204 processed_ptrs to VEC(tree,heap) *.
1206 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1209 * config/sh/lib1funcs.h: New file, broken out of:
1210 * config/sh/lib1funcs.asm.
1211 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1213 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1214 * config/sh/lib1funcs-Os-4-200.asm: New file.
1215 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1216 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1217 (EXTRA_MULTILIB_PARTS): Include it.
1218 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1219 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1220 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1221 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1224 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1226 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1227 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1228 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1230 * tree-ssa-live.h: Include vecprim.h.
1231 (tree_partition_associator_d): Change the type of
1232 first_partition to VEC(int,heap) *.
1233 (tpa_first_partition): Use VEC instead of VARRAY.
1235 * Makefile.in (GTFILES): Move functions.h after tree.h.
1236 * function.c (reset_block_changes, record_block_change,
1237 check_block_change, free_block_changes): Use VEC instead of
1239 * function.h (function): Change the type of
1240 ib_boundaries_block to VEC(tree,gc) *.
1241 * tree-inline.c (copy_cfg_body): Initialize
1242 ib_boundaries_block to NULL instead of (varray_type) 0.
1244 2006-04-12 Roger Sayle <roger@eyesopen.com>
1246 * expr.c (emit_group_store): Correct operand order in call to
1247 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1248 a SUBREG_BYTE of zero.
1250 2006-04-12 Richard Guenther <rguenther@suse.de>
1252 * profile.c (compute_branch_probabilities): Remove code
1253 encapsulated in !ir_type (), which are remanents of the
1254 removed RTL profiling code.
1255 * rtl-profile.c: Remove.
1257 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1259 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1260 magic NULL_RTX comment.
1261 (function_arg): Store entire fp arg to mem if any part should go
1263 (rs6000_arg_partial_bytes): Adjust for above change.
1265 2006-04-11 Roger Sayle <roger@eyesopen.com>
1267 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1268 if it hasn't been initialized by dwarf2out_init.
1270 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1272 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1273 symbolic constants in branch patterns.
1275 2006-04-11 Roger Sayle <roger@eyesopen.com>
1277 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1279 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1281 PR rtl-optimization/27073
1282 * gcse.c (try_replace_reg): Revert last change. Continue to search
1283 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1286 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1288 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1289 aggregate types other than record and union types.
1290 (function_arg): Likewise.
1291 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1293 (function_value): In 64-bit mode, return objects that require it
1296 2006-04-11 Roger Sayle <roger@eyesopen.com>
1298 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1300 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1302 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1304 2006-04-03 Jeff Law <law@redhat.com>
1307 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1308 alias information too.
1310 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1312 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1314 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1317 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1318 (premark_used_types_helper): New.
1319 (premark_used_types): New.
1320 (gen_subprogram_die): Call premark_used_types.
1321 (prune_unused_types_walk): Do not prune perennial dies.
1322 * function.c (used_types_insert): New.
1323 * function.h (struct function): Add used_types_hash field.
1324 (used_types_insert): Add prototype.
1325 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1326 * c-parser.c (c_parser_cast_expression): Save casted types in used
1329 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1332 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1333 rs6000_explicit_options.float_gprs.
1335 2006-04-10 Roger Sayle <roger@eyesopen.com>
1337 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1338 from ix86_expand_vector_init_low_nonzero. Take an additional
1339 one_var argument indicating which element is non-zero. Support
1340 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1341 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1342 with one_var instead of ix86_expand_vector_init_low_nonzero.
1344 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1346 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1347 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1348 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1349 build/genextract.o): Depend on vecprim.h.
1350 * cfglayout.c, df-problems.c, function.c, genextract.c,
1351 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1352 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1356 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1358 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1359 Declare VECs of this type.
1360 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1361 (remove_children): Delete.
1362 (add_dwarf_attr): Use VEC routines.
1363 (add_AT_flag): Update for changes to add_dwarf_attr.
1364 (add_AT_int): Likewise.
1365 (add_AT_unsigned): Likewise.
1366 (add_AT_long_long): Likewise.
1367 (add_AT_vec): Likewise.
1368 (add_AT_string): Likewise.
1369 (add_AT_die_ref): Likewise.
1370 (add_AT_fde_ref): Likewise.
1371 (add_AT_loc): Likewise.
1372 (add_AT_loc_list): Likewise.
1373 (add_AT_addr): Likewise.
1374 (add_AT_lbl_id): Likewise.
1375 (add_AT_lineptr): Likewise.
1376 (add_AT_macptr): Likewise.
1377 (add_AT_offset): Likewise.
1378 (add_AT_range_list): Likewise.
1379 (get_AT): Use VEC_iterate.
1380 (remove_AT): Use VEC_ordered_remove.
1381 (free_die): Fold remove_children into here; have it use VEC_iterate.
1382 (print_die): Use VEC_iterate on attrs.
1383 (reverse_die_lists): Don't reverse attr lists.
1384 (die_checksum): Use VEC_iterate on attrs.
1385 (same_die_p): Likewise.
1386 (output_location_lists): Likewise.
1387 (build_abbrev_table): Likewise.
1388 (size_of_die): Likewise.
1389 (unmark_all_dies): Likewise.
1390 (output_abbrev_section): Likewise.
1391 (output_die): Likewise.
1392 (prune_unused_types_walk_attribs): Likewise.
1394 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1396 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1398 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1401 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1403 2006-04-09 Roger Sayle <roger@eyesopen.com>
1405 * expr.c (store_constructor): Don't bother clearing target if
1406 we're about to assign a vector to it using vec_init_optab.
1408 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1410 * tree-ssa-alias.c (lhs_may_store_to): New function.
1411 (recalculate_used_alone): Handle LHS of calls.
1413 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1417 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1418 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1419 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1420 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1421 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1422 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1423 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1424 stubs. Add ".align 8" directives before all ".dword" directives.
1425 (GTHREAD_USE_WEAK): Revise comment.
1426 (TARGET_ATTRIBUTE_WEAK): Define.
1427 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1428 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1429 * stublib.c: New file.
1434 * pa.md (cbranch patterns): Revise arguments used in calls to
1435 output_cbranch, output_bb and output_bvd. Add long branch length
1437 (fbranch patterns): Handle long branches.
1438 (jump): Revise length check. Revise arguments for output_lbranch call.
1439 Add long branch length attributes.
1440 (decrement_and_branch_until_zero): Add long branch length attributes.
1441 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1442 Likewise. Revise arguments for output_parallel_addb and
1443 output_parallel_movb calls.
1444 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1445 output_parallel_movb and output_parallel_addb): Update prototypes.
1446 * pa.c (output_cbranch): Revise arguments. Correct handling of
1447 nullification in long branches.
1448 (output_lbranch): Add new argument to control extraction of delay
1450 (output_bb): Handle long branches.
1451 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1452 output_parallel_addb): Likewise.
1454 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1456 PR rtl-optimization/27073
1457 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1460 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1462 * tree.h (tree_memory_tag): Add old_used_alone.
1463 (SMT_OLD_USED_ALONE): New macro.
1464 * tree-ssa-alias.c (recalculate_used_alone): Stop
1465 marking things for renaming unnecessarily.
1467 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1469 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1470 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1471 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1472 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1473 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1474 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1475 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1476 spelling convensions.
1477 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1478 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1479 typos. Follow spelling conventions.
1481 2006-04-07 DJ Delorie <dj@redhat.com>
1483 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1484 passed on the stack.
1485 (m32c_init_cumulative_args): When a function returns a structure,
1486 always pass the pointer to that return area on the stack.
1487 (m32c_function_arg_advance): Don't increment the parameter number
1488 if we're processing the returned structure pointer.
1489 (pushm_info): Reverse order of registers.
1491 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1493 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1494 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1495 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1496 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1498 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1499 chrec_fold_multiply): Same.
1500 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1501 force_expr_to_var_cost): Same.
1502 * tree-mudflap.c (mf_xform_derefs_1): Same.
1503 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1505 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1507 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1508 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1511 2006-04-07 Jan Hubicka <jh@suse.cz>
1513 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1515 2006-04-07 Richard Guenther <rguenther@suse.de>
1517 PR tree-optimization/26135
1518 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1519 loads for store copy-prop.
1520 (copy_prop_visit_stmt): Likewise.
1522 2006-04-05 Robert Millan <robertmh@gnu.org>
1524 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1525 being overriden in config/k*bsd-gnu.h.
1526 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1528 * gcc/config/knetbsd-gnu.h: Ditto.
1530 2006-04-06 Jan Hubicka <jh@suse.cz>
1534 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1537 2006-04-06 Mike Stump <mrs@apple.com>
1539 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1540 for HAVE_nonlocal_goto to be consistent.
1541 (expand_builtin_nonlocal_goto): Likewise.
1542 (expand_builtin_strcmp): Use #ifdef instead of #if
1543 for HAVE_cmpstrnsi to be consistent.
1545 2006-04-05 DJ Delorie <dj@redhat.com>
1547 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1550 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1552 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1553 got-relative addressing for anything but SImode.
1555 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1556 even if the calling function doesn't modify them.
1558 2006-04-05 Richard Guenther <rguenther@suse.de>
1560 PR tree-optimization/26919
1561 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1562 to cgraph_estimate_size_after_inlining.
1564 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1566 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1568 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1570 PR tree-optimization/26996
1571 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1572 VECTOR_TYPE variables.
1574 2006-04-05 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/26763
1577 * fold-const.c (fold_comparison): Move folding of
1578 PTR + CST CMP PTR + CST ...
1579 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1581 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1583 * doc/install.texi (Prerequisites): Refine some wording on
1584 bootstrapping and ksh.
1585 Move the version numbers of DejaGnu here from the testing section
1586 and fix casing of names.
1587 Fix markup and clarify wording for autogen requirements.
1588 Refer to GCJ instead of just java.
1589 Refer to SVN instead of CVS.
1590 Describe diffutils as useful instead of necessary.
1591 (Downloading the source): Refer to SVN instead of CVS.
1592 Adjust a link to our web site accordingly.
1593 (Configuration): Fix casing of Bison.
1594 (Building): Refer to SVN instead of CVS.
1595 Fix a sentence on the use of Bison and remove duplicate (and
1596 incorrect) version number of Bison requirement.
1597 Remove one redundant list of packages needed for building.
1598 (Specific): Avoid reference to CVS.
1600 2006-04-04 Eric Christopher <echristo@apple.com>
1602 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1603 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1604 (rs6000_handle_struct_attribute): New.
1605 (rs6000_ms_bitfield_layout_p): Ditto.
1607 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1609 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1610 NULL for dso parameter to atexit_common.
1612 2006-04-04 Eric Christopher <echristo@apple.com>
1614 * config/i386/i386.c (machopic_output_stub): Output \t
1615 between instructions and operands.
1617 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1619 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1620 satisfies_constraint_[IL] to explicit tests on value.
1622 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1624 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1625 set_nb_iterations_in_loop): Use build_int_cst instead of
1627 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1628 build_int_cst instead of convert.
1630 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1632 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1633 new value 2 for incoming.
1634 * function.c (expand_function_start): Call struct_value_rtx
1636 * config/sparc/sparc.md: Comment updated_return.
1637 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1638 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1639 struct return if sparc_std_struct_return and incoming is 2.
1640 (print_operand): Do not adjust return if
1641 sparc_std_struct_return.
1643 2006-04-04 Roger Sayle <roger@eyesopen.com>
1645 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1646 convert in the middle-end.
1647 * expr.c (store_expr, store_constructor, get_inner_reference,
1648 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1650 * tree.c (build_range_type): Likewise.
1652 2006-04-04 Tom Tromey <tromey@redhat.com>
1654 * doc/install.texi (Prerequisites): Mention jar.
1656 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1658 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1661 2006-04-04 Matthias Klose <doko@debian.org>
1663 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1664 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1667 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1669 * doc/extend.texi (Function Attributes): Rewrite visibility
1670 attribute documentation.
1671 * doc/invoke.texi (C++ Dialect Options): Rewrite
1672 -fvisibility-inlines-hidden documentation to describe something
1673 entirely different, although in practise compatible.
1674 (Code Gen Options): Warn about system headers in -fvisibiltity=
1677 * doc/extend.texi (Other Builtins): Document that
1678 __builtin_nan is a compile-time constant only when its argument
1681 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1683 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1684 trying to remove TRUNCATE check if all bits outside the new mode
1685 are identical to the sign bit.
1687 2006-04-03 Jeff Law <law@redhat.com>
1689 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1690 and operand scanning in some common cases.
1692 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1693 Dale Johannesen <dalej@apple.com>
1696 * regclass.c (struct reg_pref): Update documentation.
1697 (regclass): Set prefclass to NO_REGS if memory is the best option.
1698 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1699 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1700 into account. For non-registers, equate an empty preferred
1701 reload class to a `!' in the constraint; move the if clause to
1702 do so after those that reject the insn.
1703 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1705 (find_dummy_reload): Likewise.
1706 * doc/tm.texi (Register Classes): Document what it means
1707 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1708 * config/i386/i386.c (ix86_preferred_reload_class): Force
1709 using SSE registers (and return NO_REGS for floating-point
1710 constants) if math is done with SSE.
1711 (ix86_preferred_output_reload_class): New.
1712 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1713 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1714 * config/i386/i386.md: Remove # register preferences.
1716 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1719 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1720 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1721 the type of nb_iter.
1722 (instantiate_parameters_1): Convert the operands before calling
1723 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1724 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1726 2006-04-02 Roger Sayle <roger@eyesopen.com>
1728 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1729 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1731 * dojump.c (do_jump): Likewise.
1732 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1733 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1734 gimplify_boolean_expr): Likewise.
1735 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1736 * varasm.c (array_size_for_constructor): Likewise.
1737 * tree-object-size.c (compute_object_offset): Likewise.
1739 2006-04-02 Roger Sayle <roger@eyesopen.com>
1742 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1743 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1745 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1747 PR tree-optimization/26939
1748 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1750 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1752 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1753 at_stmt. Convert the type of operands before calling
1754 build_polynomial_chrec.
1755 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1757 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1758 (instantiate_parameters_1): Convert the type of operands before calling
1759 build_polynomial_chrec.
1760 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1761 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1762 reset_evolution_in_loop): Insert asserts to check the types of the
1764 (chrec_type): Moved...
1765 (eq_evolutions_p): Use operand_equal_p.
1766 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1767 the types of the operands.
1768 (chrec_type): ...here.
1769 * tree-data-ref.c (create_data_ref): Convert the operands before
1770 calling chrec_replace_initial_condition.
1771 (same_access_functions, analyze_subscript_affine_affine,
1772 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1773 (compute_subscript_distance, analyze_ziv_subscript,
1774 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1775 analyze_miv_subscript): Convert the operands before calling
1776 chrec_fold_minus or chrec_fold_plus.
1778 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1780 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1781 the dependence_relations vector.
1782 (compute_data_dependences_for_loop): Adjust call to
1783 compute_all_dependences.
1785 2006-04-01 Roger Sayle <roger@eyesopen.com>
1786 Richard Henderson <rth@redhat.com>
1788 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1789 gimple_boolify on the condition before calling gimplify_expr.
1791 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1793 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1794 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1795 the frame size. Update to use the new macros.
1796 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1797 * config/xtensa/ieee754-df.S: Likewise.
1799 2006-03-31 Richard Henderson <rth@redhat.com>
1801 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1802 (make_edges): ... here. Control fallthru creation with a local
1803 variable. Do not play with fake edges.
1804 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1805 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1808 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1810 * dwarf2.h (DW64_CIE_ID): Define.
1811 * dwarf2out.c (DWARF_CIE_ID): Define.
1812 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1813 length header. Use DWARF_CIE_ID.
1814 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1815 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1817 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1819 * config/sh/linux-atomic.asm: New file.
1820 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1822 2006-03-31 DJ Delorie <dj@redhat.com>
1824 * config/m32c/cond.md: Set condition flags properly throughout.
1825 * config/m32c/minmax.md: Likewise.
1826 * config/m32c/prologue.md: Likewise.
1827 * config/m32c/bitops.md: Likewise.
1828 * config/m32c/muldiv.md: Likewise.
1829 * config/m32c/mov.md: Likewise.
1830 * config/m32c/addsub.md: Likewise.
1831 * config/m32c/m32c.md: Likewise.
1832 * config/m32c/jump.md: Likewise.
1833 * config/m32c/shift.md: Likewise.
1835 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1836 conditionally output the pattern for this.
1837 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1838 (m32c_compare_redundant): New.
1839 (m32c_output_compare): New.
1840 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1842 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1843 dest, not src. Allow other 4-byte modes.
1845 2006-03-30 Denis Chertykov <denisc@overta.ru>
1847 * doc/md.texi: Refer to avr/constraints.md instead of
1850 2006-03-30 Roger Sayle <roger@eyesopen.com>
1852 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1853 signed vs. unsigned comparison failures on some hosts.
1855 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1858 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1859 change to FLOAT_REGS.
1861 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1862 (rs6000_override_options): Use it.
1863 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1864 only for -mabi=spe/no-spe and -mabi=altivec.
1866 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1868 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1871 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1873 * Makefile.in: Rename docdir to gcc_docdir.
1875 2006-03-30 Roger Sayle <roger@eyesopen.com>
1878 * expr.c (emit_group_store): Optimize group stores into a pseudo
1879 register by using a paradoxical subreg to initialize the destination
1880 if the first or last member of the group specifies a "low part".
1882 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1885 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1886 * target.h (struct gcc_target.speculate_insn): Change type of the
1887 second parameter to 'int'.
1888 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1889 the second operand of the DEPS_LIST.
1890 (copy_DEPS_LIST_list): Update reference to the second operand of the
1892 * rtl.h (alloc_DEPS_LIST): Update signature.
1893 * sched-int.h (ds_t): Change typedef to 'int'.
1894 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1896 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1898 * haifa-sched.c (try_ready): Change condition to restore
1899 non-speculative pattern of the instruction.
1900 (process_insn_depend_be_in_spec): Code to keep probability of the
1901 speculative dependence non-decreasing.
1903 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1905 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1906 (single_move_for_movmem): ... this. Also change all uses.
1907 (bfin_expand_strmov): Renamed to...
1908 (bfin_expand_movmem): ... this. Also change all uses.
1909 * config/bfin/bfin.md (movstrsi): Renamed to...
1910 (movstrsi): ...this.
1912 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1914 PR tree-optimization/26830
1916 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1917 (copy_prop_visit_stmt): Remove write-only variable ann.
1918 (init_copy_prop): Check variable loop depth here. Do not simulate
1919 memory-tag and virtual operand PHIs except for store copy prop.
1921 2006-03-30 Richard Guenther <rguenther@suse.de>
1923 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1924 variants with double arguments.
1926 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1928 * genpreds.c (write_tm_constrs_h): Delete variable p.
1929 * genconditions.c (write_header): Add tm-constrs.h to included
1931 * genpeep.c (main): Add toplev.h to included headers.
1932 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1933 (build/genpeep.o): Add toplev.h dependency.
1934 * config/rs6000/constraints.md: Add "W" constraint.
1936 2006-03-29 Roger Sayle <roger@eyesopen.com>
1938 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1939 sizes by correctly testing whether the size fits a host integer.
1940 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1941 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1942 SImode range for the default sizetype and bitsizetype.
1944 2006-03-29 Roger Sayle <roger@eyesopen.com>
1946 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1947 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1948 quickly if the argument is already of the correct type.
1949 Call fold_build1 instead of build1. Tidy up blank lines.
1951 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1953 * genemit.c (main): Add tm-constrs.h to included headers.
1954 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1955 * genpeep.c (main): Add tm-constrs.h to included headers.
1956 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1957 (write_tm_constrs_h): this and write complete file.
1958 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1959 (write_insn_preds_c): Add tm-constrs.h to included headers.
1960 (gen_constrs): New variable.
1961 (parse_option): Parse "-c".
1962 (main): Invoke write_tm_constrs_h.
1963 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1964 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1965 (object_out_file): Add tm-constrs.h dependency.
1966 (insn-emit.o): Same.
1967 (insn-output.o): Same.
1968 (insn-peep.o): Same.
1969 (insn-preds.o): Same.
1970 (insn-recog.o): Same.
1971 (tm-constsr.h): New target.
1972 (s-constrs-h): New target.
1974 * config/rs6000/constraints.md: New file.
1975 * config/rs6000/rs6000.c: Include tm-constrs.h.
1976 (num_insn_constant_wide): Convert to satisfies_constraint.
1977 (rs6000_rtx_costs): Convert to satisfies_constraint.
1978 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1979 (CONST_OK_FOR_LETTER_P): Delete.
1980 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1981 (EXTRA_CONSTRAINT): Delete.
1982 (EXTRA_MEMORY_CONSTRAINT): Delete.
1983 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1984 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1985 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1986 satisfies_constraint.
1988 * config/i386/i386.c: Include tm-constrs.h.
1990 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1992 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1993 * tree-data-ref.c (find_data_references_in_loop,
1994 compute_data_dependences_for_loop): Use pointers to VEC.
1995 (analyze_all_data_dependences): Adjust calls.
1996 * tree-data-ref.h (find_data_references_in_loop,
1997 compute_data_dependences_for_loop): Adjust declarations.
1998 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1999 compute_data_dependences_for_loop.
2001 2006-03-29 Paul Brook <paul@codesourcery.com>
2003 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2006 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2008 PR tree-optimization/26859
2009 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2011 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2012 for the step after fold_convert.
2014 2006-03-29 Paul Brook <paul@codesourcery.com>
2016 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2017 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2019 2006-03-29 Paul Brook <paul@codesourcery.com>
2022 * targhooks.c (default_narrow_bitfield): New fuction.
2023 * targhooks.h (default_narrow_bitfield): add prototype.
2024 * target.h (gcc_target): Add narrow_volatile_bitfield.
2025 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2026 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2027 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2028 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2030 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2032 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2034 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2035 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2036 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2037 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2038 (s390_function_arg_float): Allow SDmode and DDmode values to be
2039 passed in floating point registers.
2040 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2041 check with SCALAR_FLOAT_MODE_P.
2042 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2044 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2046 PR tree-optimization/25985
2047 * tree-ssa-loop-niter.c (number_of_iterations_le,
2048 number_of_iterations_ne): Make comments more precise.
2049 (number_of_iterations_cond): Add only_exit argument. Use the
2050 fact that signed variables do not overflow only when only_exit
2052 (loop_only_exit_p): New.
2053 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2054 number_of_iterations_cond.
2056 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2058 PR tree-optimization/26643
2059 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2062 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2064 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2065 (divsi3_i4_int): Likewise.
2067 2006-03-28 Roger Sayle <roger@eyesopen.com>
2069 * expr.c (emit_group_store): Only create a new pseudo reg if the
2070 quantity it needs to hold isn't already a suitable pseudo.
2072 2006-03-28 Jeff Law <law@redhat.com>
2074 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2075 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2077 2006-03-28 Roger Sayle <roger@eyesopen.com>
2079 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2080 the equivalent ~X & Y, and the symmetry related transformations.
2081 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2082 ~X & Y, and symmetry related transforms.
2084 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2086 Revert my 2006-03-27 patches.
2088 2006-03-28 Roger Sayle <roger@eyesopen.com>
2090 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2091 ~(T1)X, when T1 and T2 are integer types of the same precision
2092 and (T2)X isn't an extension.
2094 2006-03-28 Jeff Law <law@redhat.com>
2096 PR tree-optimization/26796
2097 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2098 need EH edge cleanups rather than purging them immediately.
2099 (eliminate_degenerate_phis): Handle queued EH cleanups.
2101 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2103 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2106 2006-03-27 Roger Sayle <roger@eyesopen.com>
2109 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2110 cast BIT_NOT_EXPR operand to the correct type.
2112 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2114 * tree-loop-linear.c: Don't include varray.h.
2115 (gather_interchange_stats, try_interchange_loops,
2116 linear_transform_loops): Use VEC instead of VARRAY.
2117 * lambda-mat.c: Don't include varray.h.
2118 * tree-chrec.c: Same.
2119 * lambda-trans.c: Same.
2120 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2121 VEC instead of VARRAY.
2122 * tree-vectorizer.h: Idem.
2123 * tree-data-ref.c (dump_data_references,
2124 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2125 initialize_data_dependence_relation, finalize_ddr_dependent,
2126 compute_all_dependences, find_data_references_in_loop,
2127 compute_data_dependences_for_loop, analyze_all_data_dependences,
2128 free_dependence_relation, free_dependence_relations,
2129 free_data_refs): Idem.
2130 * tree-data-ref.h (data_reference_p, subscript_p): New.
2131 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2132 VEC instead of VARRAY.
2133 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2134 (find_data_references_in_loop, compute_data_dependences_for_loop,
2135 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2136 dump_data_dependence_relations, free_dependence_relations,
2137 free_data_refs): Adjust declaration.
2138 (lambda_transform_legal_p): Move declaration here...
2139 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2140 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2141 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2142 vect_analyze_data_refs): Use VEC instead of VARRAY.
2143 * lambda.h (lambda_transform_legal_p): ...from here.
2144 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2145 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2146 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2147 tree-chrec.o): Don't depend on VARRAY_H.
2149 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2151 * rtl.def (Copyright): Update date.
2152 (DEPS_LIST): Change type of the second operand to 'int'.
2153 * target.h (Copyright): Update date.
2154 (struct gcc_target.speculate_insn): Change type of the second parameter
2156 * lists.c (Copyright): Update date.
2157 (alloc_DEPS_LIST): Change signature. Update reference to the second
2158 operand of the DEPS_LIST.
2159 (copy_DEPS_LIST_list): Update reference to the second operand of the
2161 * rtl.h (Copyright): Update date.
2162 (alloc_DEPS_LIST): Update signature.
2163 * sched-int.h (Copyright): Update date.
2164 (ds_t): Change typedef to 'int'.
2165 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2167 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2169 * haifa-sched.c (Copyright): Update date.
2170 (try_ready): Change condition to restore non-speculative pattern
2172 (process_insn_depend_be_in_spec): Code to keep probability of the
2173 speculative dependence non-decreasing.
2175 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2177 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2178 shut up the compiler.
2180 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2182 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2183 to use lib prefix for target.
2184 ($(T)libic_invalidate_array_4-200.a): Likewise.
2185 ($(T)libic_invalidate_array_4a.a): Likewise.
2187 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2188 J"orn Rennecke <joern.rennecke@st.com>
2190 * superh.opt: New file.
2191 * sh.c (boardtype, osruntime): Remove.
2192 * superh.h (SUBTARGET_OPTIONS): Remove.
2193 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2195 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2196 arguments with ^ and/or [].
2198 * config.gcc (sh-*-*): Add quoting to account for quirk of
2200 Replace == with = in enable_incomplete_targets test.
2202 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2203 with MASK_LITTLE_ENDIAN.
2205 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2206 * config/sh/sh.opt: Added to some comments.
2207 * config/sh/superh.h: Removed some chaff.
2209 * config/sh/sh.opt: Add m4-[1234]00* options.
2210 * config/sh/sh.c (sh_handle_option): Likewise.
2211 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2212 (ic_invalidate_array_4-100.o): New rule.
2213 ($(T)libic_invalidate_array_4-100.a): Likewise.
2214 (ic_invalidate_array_4-200.o): Likewise.
2215 ($(T)libic_invalidate_array_4-200.a): Likewise.
2216 (ic_invalidate_array_4a.o): Likewise.
2217 ($(T)libic_invalidate_array_4a.a): Likewise.
2218 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2219 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2221 * config/sh/crt1.asm: Merged in profiling code.
2222 * config/sh/superh.h (STARTFILE_SPEC): Override.
2223 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2224 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2225 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2227 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2228 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2229 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2231 * sh.opt (mpretend-cmove): New option.
2232 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2233 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2234 (movsicc): Add TARGET_PRETEND_CMOVE code.
2236 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2238 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2239 s390_class_max_nregs): New function prototypes.
2240 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2241 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2242 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2243 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2245 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2247 * dwarf2out.c (add_location_or_const_value_attribute): Call
2248 tree_add_const_value_attribute if nothing else works.
2249 (reference_to_unused): New.
2250 (rtl_for_decl_init): Use reference_to_unused to decide whether
2251 to output an initializer.
2253 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2256 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2257 peephole removing spe frob_di_df_2.
2259 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2261 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2262 (subscript_dependence_tester_1): Declared.
2263 (print_dir_vectors, print_dist_vectors): New.
2264 (debug_data_dependence_relation): New.
2265 (dump_data_dependence_relation): Print more details.
2266 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2267 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2268 (save_dist_v, save_dir_v, add_outer_distances,
2269 build_classic_dist_vector_1): New.
2270 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2271 Don't test for lambda_vector_lexico_pos.
2272 (same_access_functions, add_multivariate_self_dist,
2273 add_other_self_distances, dir_from_dist): New.
2274 (build_classic_dir_vector): Replace implementation almost identical to
2275 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2277 (subscript_dependence_tester_1): New.
2278 (subscript_dependence_tester): Handle the lexicographically negative
2279 distance vectors by recomputing the dependence relation.
2280 (compute_affine_dependence): Remove parameter loop_nest_depth.
2281 (compute_self_dependence): Don't call compute_subscript_distance.
2282 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2283 Add a parameter for the loop_nest.
2284 (find_loop_nest_1, find_loop_nest): New.
2285 (compute_data_dependences_for_loop): Compute the loop nest, and give
2286 up if the nest is not well formed.
2287 * tree-data-ref.h (loop_p): New.
2288 (struct data_dependence_relation): Replace size_vect field with
2289 loop_nest, a vec of loops.
2290 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2291 (DDR_LOOP_NEST): New.
2292 (print_dir_vectors, print_dist_vectors,
2293 debug_data_dependence_relation): Declared.
2294 (index_in_loop_nest): New.
2295 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2296 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2299 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2301 * simplify-rtx.c (simplify_relational_operation): Call
2302 simplify_relational_operation_1 even if mode is VOIDmode.
2304 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2306 PR tree-optimization/26804
2307 * tree.h (DECL_CALL_CLOBBERED): New macro.
2308 (tree_decl_common): Add call_clobbered_flag.
2309 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2310 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2311 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2312 (mark_non_addressable): Ditto.
2313 * tree-ssa.c (verify_call_clobbered): New function.
2314 (verify_alias_info): Use it.
2315 * tree-pass.h (pass_reset_cc_flags): New prototype.
2316 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2317 (reset_cc_flags): New function.
2318 * passes.c (init_optimization_passes): Call reset_cc_flags after
2319 initializing referenced_vars.
2321 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2322 Roger Sayle <roger@eyesopen.com>
2325 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2326 to 1.0 for non-real operands. Implement A / A optimization for
2329 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2331 * config/i386/i386.c (size_cost): Correct the comment for
2332 cost of storing fp registers.
2333 (i386_cost): Likewise.
2334 (i486_cost): Likewise.
2335 (pentium_cost): Likewise.
2336 (pentiumpro_cost): Likewise.
2337 (k6_cost): Likewise.
2338 (athlon_cost): Likewise.
2339 (k8_cost): Likewise.
2340 (pentium4_cost): Likewise.
2341 (nocona_cost): Likewise.
2342 (generic64_cost): Likewise.
2343 (generic32_cost): Likewise.
2345 2006-03-24 Denis Chertykov <denisc@overta.ru>
2347 * config/avr/avr-protos.h (extra_constraint): Delete.
2348 (extra_constraint_Q): New declaration.
2349 * config/avr/constraints.md: New file.
2350 * config/avr/avr.md: Include it.
2351 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2352 (TMP_REGNO, ZERO_REGNO): Likewise.
2353 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2354 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2355 (extra_constraint): Delete.
2356 (extra_constraint_Q): Test for memory constraint 'Q'.
2357 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2358 (REG_CLASS_FROM_LETTER): Delete.
2359 (CONST_OK_FOR_LETTER_P): Delete.
2360 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2361 (EXTRA_CONSTRAINT): Delete.
2362 (TMP_REGNO): Delete.
2363 (ZERO_REGNO): Delete.
2365 2006-03-24 Jeff Law <law@redhat.com>
2367 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2368 directly. Call mark_new_vars_to_rename slightly earlier.
2370 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2372 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2374 (gen_compile_unit_die): Use new language types for Objective-C and
2376 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2377 DW_LANG_C_plus_plus.
2380 * config/t-darwin (crt3.o): Work around bug 26840.
2381 * config/darwin-crt3.c: Rewrite.
2382 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2384 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2386 * doc/invoke.texi: Document -femit-class-debug-always
2387 * common.opt: Add -femit-class-debug-always.
2389 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2391 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2392 index and base register.
2393 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2394 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2395 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2396 REGNO_OK_FOR_INDEX_P.
2397 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2399 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2400 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2401 REG_OK_FOR_BASE_P): Definitions removed.
2403 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2406 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2407 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2408 set yet or weren't marked as local yet.
2410 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2412 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2415 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2417 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2418 (rs6000_legitimate_small_data_p): Delete.
2419 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2420 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2421 and make static. Add forward declaration. Update uses.
2422 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2423 of offsettable_memref_p.
2424 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2425 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2427 2006-03-24 Jeff Law <law@redhat.com>
2429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2430 around bug in immediate-use iterator.
2432 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2435 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2436 or __LITTLE_ENDIAN__.
2438 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2440 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2441 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2442 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2443 * config/sh/sh.opt (mdiv=): Amend description.
2444 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2445 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2446 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2447 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2448 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2449 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2450 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2451 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2452 TARGET_DIVIDE_CALL_FP.
2454 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2456 * haifa-sched.c (choose_ready): Fix type of the local variable.
2457 Move local variables. Add comment.
2458 (check_reg_live): Change signature. Make callable from debugger.
2459 * sched-int.h (check_reg_live): Update signature.
2460 * sched-ebb.c (check_reg_live): Update parameters.
2461 * sched-rgn.c (check_reg_live): Ditto.
2462 (region_head_or_leaf_p): Check pointer before dereferencing.
2463 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2464 before reload on optimization levels below 1.
2466 2006-03-23 Richard Henderson <rth@redhat.com>
2468 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2472 * config/alpha/predicates.md (local_symbolic_operand): Reject
2475 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2478 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2479 expressions which have overflowed constants.
2481 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2483 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2485 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2487 * cfgloopmanip.c (create_loop_notes): Removed.
2488 * final.c (final_scan_insn): Do not handle loop notes.
2489 * jump.c (squeeze_notes): Ditto.
2490 * cfglayout.c (skip_insns_after_block,
2491 duplicate_insn_chain): Ditto.
2492 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2494 * cfgloop.h (create_loop_notes): Declaration removed.
2496 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2498 * varasm.c (output_constant_pool): Restore fnname and fndecl
2500 (assemble_start_function): Adjust call accordingly.
2501 (assemble_end_function): Likewise.
2503 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2506 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2509 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2511 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2514 * system.h (ICE_EXIT_CODE): New macro.
2515 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2516 (diagnostic_action_after_output): Likewise.
2517 * gcc.c (fatal_ice): New function.
2518 (execute): Use it instead of fatal.
2519 (fancy_abort): Likewise.
2520 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2522 2006-03-22 Jeff Law <law@redhat.com>
2524 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2525 iv_analyze_result returning false.
2527 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2529 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2531 2006-03-22 Richard Henderson <rth@redhat.com>
2534 * except.c (duplicate_eh_regions_0): New.
2535 (duplicate_eh_region_1): Duplicate the children of the node as
2536 well as the node itself. Link them up properly.
2537 (duplicate_eh_region_2): Merge into ...
2538 (duplicate_eh_regions): ... here. Take copy_region argument, and
2539 copy only a sub-tree if asked. Simplify copying and fixup.
2540 (eh_region_outer_p): New.
2541 * except.h (duplicate_eh_regions): Update decl.
2542 (eh_region_outer_p): Declare.
2543 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2544 (lower_omp_master): Likewise.
2545 (lower_omp_ordered): Likewise.
2546 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2547 (move_stmt_r): Use it to remap labels. Handle recursion vs
2548 remap_decls_p properly.
2549 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2550 (find_outermost_region_in_block): New.
2551 (new_label_mapper): New.
2552 (move_sese_region_to_fn): Copy eh information to the new function
2554 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2556 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2559 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2561 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2562 into shared libraries.
2564 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2566 * doc/md.texi: Refer to i386/constraints.md instead of
2568 * config/i386/constraints.md: New file, extracted from...
2569 * config/i386/predicates.md: ...here.
2570 * config/i386/i386.md: Include constraints.md.
2572 2006-03-21 Jason Merrill <jason@redhat.com>
2574 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2577 * expr.c (init_block_move_fn): Force default visibility.
2578 (init_block_clear_fn): Likewise.
2579 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2580 * targhooks.c (default_external_stack_protect_fail): Likewise.
2582 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2584 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2585 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2586 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2587 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2588 (loadgp): Use mips_current_loadgp_style.
2589 (loadgp_noshared): New pattern.
2590 (sibcall_internal): Use MIPS_CALL.
2591 (sibcall_value_internal): Likewise.
2592 (sibcall_value_multiple_internal): Likewise.
2593 (call_internal): Likewise.
2594 (call_value_internal): Likewise.
2595 (call_value_multiple_internal): Likewise.
2596 (call_split): Use MIPS_CALL and add an 'S' constraint.
2597 (call_value_split): Likewise.
2598 (call_value_multiple_split): Likewise.
2599 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2600 (-mshared): New option.
2601 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2602 (mips_current_loadgp_style): Declare.
2603 * config/mips/mips.c (mips_classify_symbol): Avoid using
2604 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2605 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2606 TARGET_ABSOLUTE_ABICALLS.
2607 (override_options): Adjust comments. Improve the warning that is
2608 issued when -mabicalls and -G are used together.
2609 (mips_file_start): Remove comment.
2610 (mips_current_loadgp_style): New function.
2611 (mips_gnu_local_gp): New variable.
2612 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2614 (mips_output_function_prologue): Use mips_current_laodgp_style.
2615 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2616 the cprestore instruction.
2617 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2618 live for TARGET_ABSOLUTE_ABICALLS.
2619 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2620 (ASM_SPEC): Pass down -mshared and -mno-shared.
2621 (MIPS_CALL): New macro.
2622 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2624 * doc/invoke.texi (-mabicalls): Update documentation.
2625 (-mshared): Document.
2627 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2629 * config/ia64/unwind-hpux.c: New file.
2630 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2632 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2635 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2637 2006-03-21 Jeff Law <law@redhat.com>
2639 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2640 type conversions of a VR_VARYING source to a wider type.
2642 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2644 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2645 tm_file on Solaris 10 and later.
2646 (sparc64-*-solaris2*): Likewise.
2647 (sparc-*-solaris2*): Likewise.
2648 * config/sol26.h: Rename to config/sol2-6.h.
2649 * config/sol2-10.h: New file.
2651 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2654 * tree-ssa-pre.c (create_component_ref_by_pieces):
2657 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2660 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2661 return it immediately.
2663 2006-03-21 Michael Matz <matz@suse.de>
2665 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2667 (remove_arc, add_arc): Update num_out_arcs member.
2668 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2670 (cache_presence): New function.
2671 (compare_states_for_equiv): New function.
2672 (state_is_differed): Don't take number of outargs, adjust callers.
2673 Use new invariant for speeding up.
2674 (init_equiv_class): Create initial classes based on sorted
2676 (partition_equiv_class): Don't track out_arcs_num.
2677 (evaluate_equiv_classes): Call cache_presence on all states and
2680 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2682 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2683 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2684 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2685 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2687 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2688 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2689 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2690 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2691 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2693 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2694 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2695 (REGNO_REG_CLASS): ARGP is in PREGS.
2696 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2698 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2699 to deal with those addresses.
2700 * addresses.h: New file.
2701 * caller-save.c: Include "addresses.h".
2702 (init_caller_save): Use new base_reg_class function.
2703 * rtl-factoring.c: Include "addresses.h".
2704 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2705 * recog.c: Include "addresses.h".
2706 (preprocess_constraints): Use new base_reg_class function.
2707 * regrename.c: Include "addresses.h".
2708 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2709 functions. Keep track of a new var INDEX_CODE to compute valid
2711 (replace_oldest_value_addr): Likewise.
2712 (replace_oldest_value_mem): Use base_reg_class.
2713 * reload.c: Include "addresses.h".
2714 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2715 (find_reloads): Use new base_reg_class function.
2716 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2717 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2718 all callers and prototype changed.
2719 * reload1.c: Include "addresses.h".
2720 (maybe_fix_stack_asms): Use base_reg_class.
2721 * regclass.c: Include "addresses.h".
2722 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2723 (init_reg_autoinc): Use new base_reg_class function.
2724 (record_reg_classes): Likewise.
2725 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2726 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2727 Use new args to compute necessary class.
2729 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2730 regrename.o, rtl-factoring.o): Update dependencies.
2731 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2732 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2733 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2734 REG_OK_FOR_INDEX_P): Delete documentation.
2736 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2738 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2739 from V7 to V9 for Solaris 7 and above.
2741 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2743 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2744 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2745 argument pointers may not alias any other storage.
2746 * common.opt: Define option -fargument-noalias-anything.
2747 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2748 alias semantics is specified by flag_argument_noalias > 2.
2750 2006-03-20 Jeff Law <law@redhat.com>
2752 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2753 (pass_phi_only_cprop): Declare.
2754 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2756 * tree-ssa-dom.c (degenerate_phi_result): New function.
2757 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2758 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2759 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2760 (eliminate_degenerate_phis): Likewise.
2761 (pass_phi_only_cprop): New pass descriptor.
2762 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2763 support code. Callers updated.
2764 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2765 (store_copy_prop): Likewise.
2766 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2768 2006-03-20 Jason Merrill <jason@redhat.com>
2771 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2772 (push_visibility, pop_visibility): Likewise.
2773 * c-pragma.h: Declare them.
2775 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2777 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2779 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2780 parameter and use get_ebb_head_tail.
2781 (sh_md_init_global): Adjust uses of find_regmode_weight.
2783 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2785 * function.h (struct function) <x_tail_recursion_reentry>:
2786 Rename to x_stack_check_probe_note.
2787 (tail_recursion_reentry): Rename to stack_check_probe_note.
2788 * function.c: Replace tail_recursion_reentry with
2789 stack_check_probe_note everywhere.
2790 (expand_function_start): Only emit a note for
2791 stack_check_probe_note with -fstack-protect.
2792 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2794 * emit-rtl.c (remove_unnecessary_notes): Remove.
2795 (pass_remove_unnecessary_notes): Remove.
2796 * rtl.h (remove_unnecessary_notes): Remove prototype.
2797 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2798 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2799 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2801 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2804 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2805 (valid_in_set): Handle ARRAY_REF.
2806 Change "if min_variant or VH" to asserts.
2807 (create_component_ref_by_pieces): Handle ARRAY_REF.
2808 (create_expression_by_pieces): Likewise.
2809 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2811 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2813 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2814 is operand of switch, not str[0].
2816 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2818 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2819 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2821 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2823 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2824 end of insn_extra_address_constraint declaration.
2826 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2828 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2829 (no-sum-in-toc): Same.
2830 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2832 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2833 NO_FP_IN_TOC for -fPIC instead of mask.
2835 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2836 (BOOT_LDFLAGS): Delete.
2838 * config/rs6000/t-aix52: Same.
2840 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2841 (stmsi[345678]_power): New.
2843 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2845 * config/ia64/ia64.opt: Add empty line to end of file.
2847 2006-03-17 Richard Guenther <rguenther@suse.de>
2850 * builtins.c (get_pointer_alignment): For component style references
2851 adjust alignment to the component type alignment. Make sure
2852 to adjust alignment for component access of constants.
2854 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2856 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2859 2006-03-17 Paul Brook <paul@codesourcery.com>
2861 * doc/install.texi: Docuemnt --with-mode.
2862 * config.gcc: Add --with-mode for arm*-*-*.
2863 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2865 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2867 * sh.c (max_labelno_before_reorg): New variable.
2868 (sh_reorg): Initialize it.
2869 (find_barrier): Check max_labelno_before_reorg before using
2870 label_to_alignment. Take length of explicit alignment insns
2871 into account. When seeing a UNSPECV_CONST_END, return it.
2873 * sh.c (fixup_mova): Set mode of affected label to QImode.
2874 (untangle_mova): New function.
2875 (find_barrier): Use it. Check mode of label before decrementing
2877 (sh_reorg): Likewise.
2878 Set mode of all insns back to VOIDmode.
2880 * sh.c (MOVA_LABELREF): New macro.
2881 (mova_p, fixup_mova, sh_reorg): Use it.
2882 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2883 ADDR_DIFF_VEC matches mova.
2885 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2887 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2888 with ATTRIBUTE_UNUSED.
2890 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2892 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2893 pointer, instead of assuming it is possible to derive the
2894 correct args size from a call insn.
2896 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2898 * rtl.h (CONST_INT_P): Define.
2899 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2900 instead of GET_CODE(x) == CONST_INT.
2901 (vax_rtx_costs): Likewise.
2902 (vax_output_int_move): Likewise.
2903 (vax_output_int_add): Likewise.
2904 (legitimate_constant_address_p): Likewise.
2905 (index_term_p): Likewise.
2906 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2907 * config/vax/vax.md (and<mode>3): Likewise.
2908 (ashrsi3): Likewise.
2910 (movstricthi): Likewise.
2911 (movstrictqi): Likewise.
2912 (rotrsi3): Likewise.
2913 (five unnamed insns): Likewise.
2915 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2917 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2918 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2919 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2920 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2921 Pass to ASM_OUTPUT_DWARF_OFFSET.
2922 * dwarf2out.c (debug_frame_section): New.
2923 (output_call_frame_info): Use debug_frame_section. Pass it to
2924 dw2_asm_output_offset.
2925 (output_die): Pass appropriate section to dw2_asm_output_offset.
2926 (output_compilation_unit_header): Likewise.
2927 (output_pubnames): Likewise.
2928 (output_aranges): Likewise.
2929 (enum dw_val_class): Break dw_val_class_lbl_offset into
2930 dw_val_class_lineptr and dw_val_class_macptr.
2931 (add_AT_lbl_offset): Delete.
2932 (add_AT_lineptr): New.
2933 (add_AT_macptr): New.
2934 (AT_lbl): Expect a lineptr or macptr.
2935 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2936 (attr_checksum): Likewise.
2937 (same_dw_val_p): Likewise.
2938 (size_of_die): Likewise.
2939 (value_format): Likewise.
2940 (output_die): Likewise.
2941 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2943 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2944 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2945 * config/darwin-protos.h (darwin_file_start): New.
2946 (darwin_asm_output_dwarf_offset): New.
2947 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2948 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2950 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2951 if not EH section; simplify.
2952 (darwin_file_start): New.
2953 (darwin_asm_output_dwarf_offset): New.
2954 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2956 (DEBUG_INFO_SECTION): Likewise.
2957 (DEBUG_ABBREV_SECTION): Likewise.
2958 (DEBUG_ARANGES_SECTION): Likewise.
2959 (DEBUG_MACINFO_SECTION): Likewise.
2960 (DEBUG_LINE_SECTION): Likewise.
2961 (DEBUG_LOC_SECTION): Likewise.
2962 (DEBUG_PUBNAMES_SECTION): Likewise.
2963 (DEBUG_STR_SECTION): Likewise.
2964 (DEBUG_RANGES_SECTION): Likewise.
2965 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2966 (ASM_OUTPUT_DWARF_OFFSET): New.
2968 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2970 * config.gcc (tm_defines): Always add to previous value rather
2973 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2975 * config/mips/predicates.md (splittable_const_int_operand): New,
2976 split from move_operand.
2977 (splittable_symbolic_operand): New.
2978 (move_operand): Add commentary. Use splittable_const_int_operand.
2979 Inline mips_atomic_symbolic_constant_p.
2980 * config/mips/mips.md: Add combine splitters for handling moves
2981 of splittable_const_int_operands and splittable_symbolic_operands.
2982 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2983 (mips_split_symbol): Declare.
2984 (mips_move_integer): Declare.
2985 * config/mips/mips.c (mips_split_p): Make global.
2986 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2987 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2988 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2989 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2990 (mips_offset_within_object_p): Handle block symbols.
2991 (mips_atomic_symbolic_constant_p): Delete.
2992 (mips_cannot_force_const_mem): Return false for constants that
2993 mips_legitimize_move can handle.
2994 (mips_use_blocks_for_constant_p): New function.
2995 (mips_split_symbol): Make global.
2996 (mips_move_integer): Likewise. Add a temporary register argument.
2997 (mips_legitimize_const_move): Use splittable_const_int_operand and
2998 splittable_symbolic_operand.
2999 (mips_use_anchors_for_symbol_p): New function.
3000 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3001 (mips_split_p): Declare.
3003 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3005 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3006 (mips*-*-linux*): Likewise.
3008 2006-03-16 Roger Sayle <roger@eyesopen.com>
3009 Daniel Speyer <dspeyer@wam.umd.edu>
3012 * tree-dump.c (dump_real): New function.
3013 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3014 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3015 (tree-dump.o): Add $(REAL_H) to the dependencies.
3017 2006-03-16 Roger Sayle <roger@eyesopen.com>
3020 * real.c (real_from_string): If the mantissa is zero, don't bother
3021 parsing the exponent as the result should always be zero.
3023 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3025 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3027 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3029 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3030 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3031 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3032 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3033 ia64_sched_finish_global): New static functions to implement
3034 hooks from gcc_target.sched.
3035 (spec_check_no, max_uid, pending_data_specs): New static variables.
3036 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3037 ia64_spec_check_src_p): New static functions.
3038 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3039 (TARGET_SCHED_ADJUST_COST): Removed.
3040 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3041 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3042 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3043 TARGET_SCHED_GEN_CHECK,
3044 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3045 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3046 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3047 Fixed to handle speculation checks.
3048 (rtx_needs_barrier): Fixed to handle speculative loads and
3050 (ia64_variable_issue): Added code to count speculative loads and their
3052 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3054 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3056 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3058 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3059 (ia64_reorg): Reset stops_p to NULL after it is freed.
3060 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3061 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3062 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3064 (data_speculative, control_speculative, check_load): New attributes.
3065 (mov<mode>_advanced, mov<mode>_speculative,
3066 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3067 zero_extend<mode>di2_speculative,
3068 zero_extend<mode>di2_speculative_advanced): New patterns for
3069 data and control speculative loads.
3070 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3072 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3073 New pattern for data and control speculation checks.
3074 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3075 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3076 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3077 Auxiliary definitions for the patterns.
3078 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3079 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3081 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3083 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3084 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3085 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3086 New resource constraints.
3087 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3089 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3090 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3091 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3092 msched-in-control-spec, msched-ldc, msched-control-ldc,
3093 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3094 msched-prefer-non-control-spec-insns,
3095 msched-count-spec-in-critical-path): New flags to tune speculative
3097 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3098 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3099 msched-in-control-spec, msched-ldc, msched-control-ldc,
3100 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3101 msched-prefer-non-control-spec-insns,
3102 msched-count-spec-in-critical-path): Document new flags.
3104 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3106 * target.h (struct spec_info_def): New opaque declaration.
3107 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3108 speculate_insn, needs_block_p, gen_check,
3109 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3110 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3111 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3112 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3113 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3114 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3116 (TARGET_SCHED): Use new macros.
3117 * rtl.h (copy_DEPS_LIST_list): New prototype.
3118 * sched-int.h (struct sched_info): Change signature of new_ready field,
3119 adjust all initializations. New fields: add_remove_insn,
3120 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3121 region_head_or_leaf_p.
3122 (struct spec_info_def): New structure declaration.
3123 (spec_info_t): New typedef.
3124 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3125 recovery_block, orig_pat.
3126 (glat_start, glat_end): New variables declaraions.
3127 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3129 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3130 DETACH_LIFE_INFO, USE_GLAT.
3131 (enum SPEC_SCHED_FLAGS): New enumeration.
3132 (NOTE_NOTE_BB_P): New macro.
3133 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3134 attach_life_info, debug_spec_status, check_reg_live): New functions.
3135 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3136 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3138 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3139 * ddg.c (get_block_head_tail): Adjust all uses.
3140 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3141 (sms_sched_info): Initialize new fields.
3142 (contributes_to_priority): Removed.
3143 * haifa-sched.c (params.h): New include.
3144 (get_block_head_tail): Adjust all uses.
3145 (ISSUE_POINTS): New macro.
3146 (glat_start, glat_end): New global variables.
3147 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3148 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3149 old_last_basic_block, before_recovery, current_sched_info_var,
3150 rgn_n_insns, luid): New static variables.
3151 (insn_cost1): New function. Move logic from insn_cost to here.
3152 (find_insn_reg_weight1): New function. Move logic from
3153 find_insn_reg_weight to here.
3154 (reemit_notes, move_insn, max_issue): Change signature.
3155 (move_insn1): Removed.
3156 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3157 extend_bb): New static functions to support extension of scheduler's
3159 (generate_recovery_code, process_insn_depend_be_in_spec,
3160 begin_speculative_block, add_to_speculative_block,
3161 init_before_recovery, create_recovery_block, create_check_block_twin,
3162 fix_recovery_deps): New static functions to support
3163 generation of recovery code.
3164 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3165 restore_bb_notes, move_block_after_check, move_succs): New static
3166 functions to support ebb scheduling.
3167 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3168 functions to support handling of register live information.
3169 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3170 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3171 add_jump_dependencies): New static functions.
3172 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3173 consistancy checking.
3174 (debug_spec_status): New function to call from debugger.
3175 (priority): Added code to handle speculation checks.
3176 (rank_for_schedule): Added code to distinguish speculative instructions.
3177 (schedule_insn): Added code to handle speculation checks.
3178 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3179 Fixed to handle ebbs.
3180 (move_insn): Added code to handle ebb scheduling.
3181 (max_issue): Added code to use ISSUE_POINTS of instructions.
3182 (choose_ready): Added code to choose between speculative and
3183 non-speculative instructions.
3184 (schedule_block): Added code to handle ebb scheduling and scheduling of
3185 speculative instructions.
3186 (sched_init): Initialize new variables.
3187 (sched_finish): Free new variables. Print statistics.
3188 (try_ready): Added code to handle speculative instructions.
3189 * lists.c (copy_DEPS_LIST_list): New function.
3190 * sched-deps.c (extend_dependency_caches): New function. Move logic
3191 from create_dependency_caches to here.
3192 (get_dep_weak, ds_merge): Make global.
3193 * genattr.c (main): Code to output prototype for
3194 dfa_clear_single_insn_cache.
3195 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3196 (output_dfa_clean_insn_cache_func): Code to output
3197 dfa_clear_single_insn_cache function.
3198 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3200 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3202 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3203 New static variables.
3204 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3205 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3207 (ebb_sched_info): Initialize new fields.
3208 (get_block_head_tail): Adjust all uses.
3209 (compute_jump_reg_dependencies): Fixed to use glat_start.
3210 (schedule_ebb): Code to remove unreachable last block.
3211 (schedule_ebbs): Added code to update register live information.
3212 * sched-rgn.c (region_sched_info): Initialize new fields.
3213 (get_block_head_tail): Adjust all uses.
3214 (last_was_jump): Removed. Adjust users.
3215 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3216 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3217 Implement new hooks.
3218 (check_dead_notes1): New static function.
3219 (struct region): New fields: dont_calc_deps, has_real_ebb.
3220 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3221 (BB_TO_BLOCK): Fixed to handle EBBs.
3222 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3223 (ebb_head): New static variable.
3224 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3225 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3227 (compute_dom_prob_ps): New assertion.
3228 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3229 global_live_at_start.
3230 (init_ready_list): New assertions.
3231 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3232 (new_ready): Add support for BEGIN_CONTROL speculation.
3233 (schedule_insns): Fixed code that updates register live information
3235 (schedule_region): Fixed to handle EBBs.
3236 (init_regions): Use extend_regions and check_dead_notes1.
3237 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3238 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3239 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3240 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3241 TARGET_SCHED_GEN_CHECK,
3242 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3243 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3244 * doc/invoke.texi (max-sched-insn-conflict-delay,
3245 sched-spec-prob-cutoff): Document.
3247 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3249 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3250 inter_tick, queue_index.
3251 (struct sched_info): Change signature of init_ready_list field.
3252 Adjust all initializations.
3253 (RESOLVED_DEPS): New access macro.
3254 (ready_add): Remove prototype.
3255 (try_ready): Add prototype.
3256 * sched-rgn.c (init_ready_list): Use try_ready.
3257 (schedule_region): Initialize
3258 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3259 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3260 (init_ready_list): Use try_ready.
3261 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3262 * lists.c (remove_list_elem): Remove `static'.
3263 (remove_free_INSN_LIST_elem): New function.
3264 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3265 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3266 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3268 (readyp): New variable.
3269 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3270 change_queue_index, resolve_dep): New static functions.
3271 (try_ready): New function. Adjust callers in sched-rgn.c and
3272 sched-ebb.c to use it instead of ready_add.
3273 (clock_var): Move at the begining of file.
3274 (rank_for_schedule): Fix typo.
3275 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3276 (ready_lastpos): Enforce assertion.
3277 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3279 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3280 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3281 (queue_to_ready): Use free_INSN_LIST_list.
3282 (early_queue_to_ready): Fix typo.
3283 (schedule_block): Init readyp. Move init_ready_list call after the
3284 initialization of clock_var. Fix error in rejecting insn by
3285 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3286 that previously corrected INSN_TICKs. Add code for handling
3288 (set_priorities): Fix typo.
3289 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3290 Clarify comment and code that keeps current_sched_info->next_tail
3293 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3295 * sched-rgn.c (extend_rgns): New static function.
3296 (find_rgns): Use it.
3297 (gather_region_statistics, print_region_statistics): New static
3299 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3300 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3302 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3303 Andrey Belevantsev <abel@ispras.ru>
3305 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3306 * lists.c (unused_deps_list): New variable.
3307 (free_list): Add assertions to verify the proper distinguishing
3308 between INSN_LISTs and DEPS_LISTs.
3309 (find_list_elem, remove_list_elem, remove_list_node): New static
3311 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3312 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3313 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3314 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3316 (free_INSN_LIST_node): Likewise.
3317 * modulo-sched.c (current_sched_info): Initialize flags field.
3318 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3319 * rtl.def (DEPS_LIST): Define.
3320 * rtl.h: Declare new functions from lists.c.
3321 * sched-deps.c (spec_dependency_cache): New static variable.
3322 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3323 (add_dependence): Change return type to void. Move the logic to ...
3324 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3325 (delete_all_dependences): Add comment about forward_dependency_cache.
3326 Handle spec_dependency_cache. Handle DEPS_LISTs.
3327 (fixup_sched_groups): Clarify the change of priority of output
3328 and anti dependencies.
3329 (sched_analyze_2): Adjust add_dependence calls to create data
3330 speculative dependence.
3331 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3332 Adjust all callers. Handle DEPS_LISTS.
3333 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3334 presence of speculation.
3335 (init_dependency_caches, free_dependency_caches):
3336 Handle spec_dependency_cache.
3337 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3338 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3339 New static functions.
3340 (add_or_update_back_dep, add_or_update_back_forw_dep,
3341 add_back_forw_dep, delete_back_forw_dep): New functions.
3342 * sched-int.h (ds_t, dw_t): New typedefs.
3343 (struct sched_info): Add new field flags.
3344 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3345 Prototype new sched-deps.c functions.
3346 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3347 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3348 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3349 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3350 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3351 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3353 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3355 * sched-rgn.c (current_sched_info): Initialize flags field.
3356 (schedule_insns): Initialize current_sched_info before the sched_init
3358 * sched-ebb.c (current_sched_info): Initialize flags field.
3359 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3360 Call add_or_update_back_dep instead of add_dependence.
3361 Create control speculative dependencies.
3362 (schedule_insns): Initialize current_sched_info before the sched_init
3365 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3367 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3369 (sh_fallback_frame_state): Likewise.
3371 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3373 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3374 Do switch on default_use_cxa_atexit.
3375 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3376 * config/darwin-crt3.o: New.
3377 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3378 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3379 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3381 * config/rs6000/t-darwin: Move crt2.o building to here.
3382 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3383 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3386 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3388 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3389 from '! xxx' to '!xxx' for coding-style conformance.
3390 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3391 (EXTRA_CONSTRAINT): Likewise.
3392 * config/vax/vax.md (four unnamed insns): Likewise.
3394 2006-03-15 Paul Brook <paul@codesourcery.com>
3396 * config/arm/arm.c (minipool_pad): New.
3397 (add_minipool_forward_ref): Include pool alignment padding in address
3399 (push_minipool_fix): Set minipool_pad.
3400 (minipool_pad): Ditto.
3402 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3404 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3405 instead of GET_CODE() == MEM and REG_P() instead of
3407 (print_operand_address): Likewise.
3408 (vax_address_cost): Likewise.
3409 (vax_rtx_costs): Likewise.
3410 (vax_notice_update_cc): Likewise.
3411 (vax_output_int_add): Likewise.
3412 (INDEX_REGISTER_P): Likewise.
3413 (BASE_REGISTER_P): Likewise.
3414 (nonindexed_address_p): Likewise.
3415 (vax_mode_dependent_address_p): Likewise.
3416 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3417 (PRINT_OPERAND): Likewise.
3418 * config/vax/vax.md (ashlsi3): Likewise.
3419 (ashlsi3): Likewise.
3420 (some more unnamed insns): Likewise.
3422 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3424 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3425 iterator-style macro.
3426 (mark_control_dependent_edges_necessary): Update the use of
3427 EXECUTE_IF_CONTROL_DEPENDENT.
3429 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3431 * config/sh/predicates.md (cache_address_operand): Special.
3432 (ua_address_operand): Likewise.
3434 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3436 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3438 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3440 2006-03-15 Andreas Schwab <schwab@suse.de>
3442 * gensupport.c (identify_predicable_attribute): Don't free p_false
3443 when it is still in use.
3445 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3447 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3448 the default setting here.
3450 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3452 * tree-pass.h (pass_cfg): Remove.
3453 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3454 * passes.c (pass_cfg): Don't run it.
3456 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3458 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3459 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3461 (stack_regs_mentioned): Update the uses of
3462 stack_regs_mentioned_data. Don't access the array beyond its
3464 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3465 Don't include gt-reg-stack.h.
3467 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3468 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3470 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3473 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3476 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3478 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3480 2006-03-14 Richard Guenther <rguenther@suse.de>
3482 PR tree-optimization/26672
3483 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3486 2006-03-14 Richard Guenther <rguenther@suse.de>
3488 PR tree-optimization/26667
3489 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3490 node for the callees. Always allow inlining if it will shrink
3493 2006-03-14 Richard Guenther <rguenther@suse.de>
3496 * builtins.c (get_pointer_alignment): Prefer alignment
3497 information from decls over that from types.
3499 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3502 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3504 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3506 * config/rs6000/rs6000.opt (mdlmzb): New option.
3507 (msched-prolog, msched-epilog): Use Var not Mask.
3508 * doc/invoke.texi (-mdlmzb): Document.
3509 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3511 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3512 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3514 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3516 PR rtl-optimization/25739
3517 * bt-load.c (augment_live_range): Free tos pointer.
3519 * gensupport.c (identify_predicable_attribute): Free
3521 * gcov.c (create_file_names): Free name pointer.
3523 2006-03-13 Roger Sayle <roger@eyesopen.com>
3526 * stmt.c (emit_case_nodes): Handle the case where the index is a
3527 CONST_INT, where the comparison mode is specified by the index type.
3529 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3531 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3534 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3536 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3537 (*branch_fp_inverted): Likewise.
3539 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3542 * omp-low.c (expand_omp_for_generic): Mark istart0
3543 and iend0 as addressable.
3545 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3547 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3549 2006-03-13 Jeff Law <law@redhat.com>
3551 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3552 virtual operands are interesting.
3553 (vrp_visit_stmt): Corresponding changes.
3555 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3557 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3559 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3560 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3561 * config/bfin/crti.S: Use it instead of __PIC__.
3562 * config/bfin/crtn.S: Likewise.
3564 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3565 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3567 Lose 'G' modifier for call operand.
3568 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3569 recognize 'G' modifier.
3571 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3574 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3575 * stmt.c (expand_case): Likewise.
3577 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3579 PR rtl-optimization/26254
3580 * loop-invariant.c (seq_insns_valid_p): New function.
3581 (move_invariant_reg): Only emit new code if it is valid.
3583 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3585 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3587 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3588 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3589 (commit_one_edge_insertion): Do not look for loop notes.
3591 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3593 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3594 flag_test_coverage out of loop.
3596 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3598 * final.c (shorten_branches): Remove outdated comment, and turn
3599 the if branch that guards it to continue.
3601 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3603 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3604 * cfgloop.h (struct loop): Remove unused fields.
3606 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3608 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3609 (-dL, -fdump-rtl-loop2): Update the dump file names
3611 * doc/invoke.texi: Update dump file names.
3613 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3615 * predict.c (estimate_probability): Remove.
3616 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3617 * basic-block.h (estimate_probability): Remove prototype.
3618 * passes.c (finish_optimization_passes): Dump branch prediction or
3619 profiling heuristics to the .profile tree dump.
3620 (init_optimization_passes): Unqueue pass_branch_prob.
3622 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3624 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3626 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3627 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3629 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3631 * function.h (frame_offset_overflow): Declare.
3632 * function.c (frame_offset_overflow): New function.
3633 (assign_stack_local_1): Call it to detect that the offset overflows.
3634 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3636 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3638 * config/sh/sh.c: Include alloc-pool.h.
3639 (label_ref_list_pool): New alloc pool.
3640 (label_ref_list_t): New type for lists of labels.
3641 (struct pool_node): Make wend a label_ref_list_t.
3642 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3644 (dump_table): Likewise.
3645 (sh_reorg): Set up the alloc pool before using add_constant and
3646 dump_table, and destroy it when finishing.
3648 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3650 * config/mips/mips.c: Remove redundant comment.
3652 2006-03-10 Jason Merrill <jason@redhat.com>
3655 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3656 the target was declared 'register'.
3658 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3660 * genpreds.c (write_insn_constraint_len): Change definition of
3661 insn_constraint_len to return size_t to match the declaration.
3663 2006-03-10 DJ Delorie <dj@redhat.com>
3665 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3667 (m32c_expand_insv): Fix test for an AND mask.
3669 2006-03-10 Richard Guenther <rguenther@suse.de>
3672 * builtins.c (get_pointer_alignment): Handle component
3673 references for field alignment.
3675 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3677 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3678 when building with libgloss.
3679 (sh*elf): Implement --without-fp option.
3680 (sh64-superh-linux*): Don't multilib.
3682 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3684 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3686 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3688 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3689 Set it when one of the replacement functions returned true.
3690 Return TODO_cleanup_cfg if cfgchanged is true.
3691 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3693 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3695 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3696 instead of gen_lowpart.
3698 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3700 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3702 (mips_output_order_conditional_branch): Declare.
3703 * config/mips/mips.h (MIPS_BRANCH): New macro.
3704 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3705 for the comparison. Use gen_condjump.
3706 (mips_output_conditional_branch): Rework interface to take the
3707 asm templates for a direct branch and the inverse of a direct branch.
3708 (mips_output_order_conditional_branch): New function.
3709 (mips_builtin_branch_and_move): New function.
3710 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3711 branch condition. Use gen_single_cc as the condition for
3712 __builtin_mips_upper_* or __builtin_mips_lower_*.
3713 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3714 Use VOIDmode for the branch condition.
3715 * config/mips/predicates.md (order_operator): New predicate.
3716 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3717 (branch_fp): Rename to...
3718 (*branch_fp): ...this. Remove mode from comparison operator.
3719 Use new mips_output_conditional_branch interface.
3720 (branch_fp_inverted): Rename to...
3721 (*branch_fp_inverted): ...this and update as for *branch_fp.
3722 (*branch_zero<mode>): Rename to...
3723 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3724 Use mips_output_order_conditional_branch. Only accept ordered
3726 (*branch_zero<mode>_inverted): Rename to...
3727 (*branch_order<mode>_inverted): ...this and update as for
3728 *branch_order<mode>.
3729 (*branch_equality<mode>): Accept zero as the second operand to
3730 the equality operator. Use the new mips_output_conditional_branch
3732 (*branch_equality<mode>_inverted): Likewise.
3733 (condjump): New expander.
3734 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3736 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3737 (bc1any2t, bc1any2f): Likewise.
3738 (single_cc): New expander.
3739 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3741 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3743 * doc/md.texi: Update documentation of MIPS constraints.
3744 * config/mips/constraints.md: New file.
3745 * config/mips/mips.md: Include it.
3746 * config/mips/mips.c (mips_char_to_class): Delete.
3747 (override_options): Don't initialize mips_char_to_class.
3748 * config/mips/mips.h (mips_char_to_class): Delete.
3749 (REG_CLASS_FROM_LETTER): Delete.
3750 (CONST_OK_FOR_LETTER_P): Delete.
3751 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3752 (EXTRA_CONSTRAINT_Y): Delete.
3753 (EXTRA_CONSTRAINT_STR): Delete.
3754 (CONSTRAINT_LEN): Delete.
3755 (EXTRA_MEMORY_CONSTRAINT): Delete.
3757 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3759 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3760 original fn's eh regions.
3762 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3764 * fold-const.c (build_range_check): Make sure to use a valid type to
3765 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3768 (range_predecessor): New static function.
3769 (range_successor): Likewise.
3770 (merge_ranges): Use them to compute predecessors and successors of
3773 2006-03-09 Roger Sayle <roger@eyesopen.com>
3776 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3777 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3779 2006-03-08 DJ Delorie <dj@redhat.com>
3781 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3782 (addpsi3): Expand to include memory operands. Remove
3783 reload-specific splits.
3784 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3785 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3786 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3787 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3788 (shift1_qi, shift1_hi, insv): New.
3789 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3790 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3791 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3793 * config/m32c/m32c-protos.h: Update as needed.
3794 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3795 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3796 Fail for unrecognized R* constraints.
3797 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3798 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3799 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3801 (m32c_init_libfuncs): New.
3802 (m32c_legitimate_address_p): Add debug wrapper.
3803 (m32c_rtx_costs): New.
3804 (m32c_address_cost): New.
3805 (conversions): Add 'B' prefix.
3806 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3807 operands, or word regnames for QI operands. 'B' prints bit
3809 (m32c_expand_setmemhi): New.
3810 (m32c_expand_movmemhi): New.
3811 (m32c_expand_movstr): New.
3812 (m32c_expand_cmpstr): New.
3813 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3814 (m32c_expand_neg_mulpsi3): Handle non-ints.
3815 (m32c_cmp_flg_0): New.
3816 (m32c_expand_movcc): New.
3817 (m32c_expand_insv): New.
3818 (m32c_scc_pattern): New.
3819 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3820 a0/a1 out of SIregs.
3821 (STORE_FLAG_VALUE): New.
3822 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3825 * config/m32c/mov.md: Make constraints more liberal.
3826 (zero_extendqihi2): Optimize r0/r1 case.
3827 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3828 * config/m32c/predicates.md (m32c_any_operand): New.
3829 (m32c_nonimmediate_operand): New.
3830 (m32c_hl_operand): New.
3831 (m32c_r3_operand): New.
3834 (memsym_operand): New.
3835 (memimmed_operand): New.
3836 (a_qi_operand): New.
3837 (m32c_eqne_operator): New.
3838 (m32c_1bit8_operand): New.
3839 (m32c_1bit16_operand): New.
3840 (m32c_1mask8_operand): New.
3841 (m32c_1mask16_operand): New.
3842 * config/m32c/blkmov.md: New file.
3843 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3845 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3847 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3848 unsigned to fix signed/unsigned comparison issue in
3849 DWARF2_FRAME_REG_OUT.
3850 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3851 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3853 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3854 of ptr into the ENABLE_CHECKING section.
3856 2006-03-08 Jeff Law <law@redhat.com>
3858 * tree-vrp.c (infer_value_range): Only count pointer uses
3859 and dereferences if -fdelete-null-pointer-checks is enabled.
3861 * tree-vrp.c (find_assert_locations): Infer value ranges for
3862 single use pointers, but do not create ASSERT_EXPRs for them.
3863 When a non-null range is inferred for a pointer, backwards
3864 propagate that range to other equivalent pointers through the
3867 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3870 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3871 language hook targets.
3872 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3873 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3874 if language hook targets were missing.
3876 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3878 * tree-ssa-opfinalize.h: Removed.
3879 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3881 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3882 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3883 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3884 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3885 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3886 finalize_ssa_v_must_def_ops): New.
3888 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3890 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3893 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3895 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3897 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3898 addresses with offsets; reorganize.
3900 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3901 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3902 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3904 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3907 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3909 2006-03-08 Ben Elliston <bje@au.ibm.com>
3911 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3913 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3916 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3919 2006-03-07 Richard Guenther <rguenther@suse.de>
3921 PR tree-optimization/26587
3922 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3924 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3926 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3928 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3930 * hooks.c (hook_bool_mode_rtx_true): New function.
3931 * hooks.h (hook_bool_mode_rtx_true): Declare.
3932 * toplev.c (compile_file): Call output_shared_constant_pool.
3933 * varasm.c (shared_constant_pool): New variable.
3934 (assemble_start_function, assemble_end_function): Remove arguments
3935 from call to output_constant_pool.
3936 (create_constant_pool): New function, split out from...
3937 (init_varasm_status): ...here.
3938 (force_const_mem): Choose between the shared and per-function constant
3939 pools. Set current_function_uses_const_pool when reusing old entries
3940 as well as when creating new ones.
3941 (mark_constant): Ignore data argument.
3942 (mark_constants): Remove pool argument.
3943 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3944 to decide whether the function uses a constant pool.
3945 (output_constant_pool_contents): New function, split out from...
3946 (output_constant_pool): ...here.
3947 (output_shared_constant_pool): New function.
3948 (init_varasm_once): Initialize shared_constant_pool.
3949 * output.h (output_constant_pool): Delete.
3950 (output_shared_constant_pool): Declare.
3951 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3952 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3954 2006-03-06 Nick Clifton <nickc@redhat.com>
3956 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3957 flag_strength_reduce.
3959 2006-03-06 Ben Elliston <bje@au.ibm.com>
3961 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3962 x86_64-*-linux* configurations.
3964 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3965 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3967 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3969 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3971 * basic-block.h: Remove the extern for
3972 rediscover_loops_after_threading.
3974 * cfgloop.c (cancel_loop): Make it static.
3975 * cfgloop.h: Remove the prototype for cancel_loop.
3977 * flow.c (recompute_reg_usage): Make it static.
3978 * rtl.h: Remove the prototype for recompute_reg_usage.
3980 * function.c (use_return_register): Make it static.
3981 * function.h: Remove the prototype.
3983 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3985 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3987 * recog.h: Remove the prototype for
3988 validate_change_maybe_volatile.
3990 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3992 * rtlanal.c (replace_reg): Remove.
3993 * rtl.h: Remove the prototype for replace_reg.
3995 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3997 * regclass.c (reg_scan_update): Remove.
3998 (reg_scan_mark_refs): Remove the last argument.
3999 * rtl.h: Remove the prototype for reg_scan_update.
4001 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4003 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4004 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4005 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4006 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4007 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4008 loop-invariant.c, omp-low.c, opts.c, passes.c,
4009 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4010 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4011 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4012 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4013 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4014 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4016 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4018 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4019 * dwarf2out.h: Remove the prototype for
4020 dwarf2out_add_library_unit_info.
4022 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4024 * tree.c (add_var_to_bind_expr): Remove.
4025 * tree.h: Remove the prototype for add_var_to_bind_expr.
4027 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4029 * regclass.c (n_non_fixed_regs): Remove.
4030 (init_reg_sets_1, globalize_reg): Remove all uses of
4032 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4034 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4036 * rtlanal.c (insns_safe_to_move_p): Remove.
4037 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4039 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4041 * expmed.c (expand_mult_add): Remove.
4042 * expr.h: Remove the prototype for expand_mult_add.
4044 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4046 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4047 and REG_SAVED_VAL_EXP constants.
4048 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4049 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4050 Handle regs stored by value.
4051 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4052 (execute_cfa_program): Handle DW_CFA_val_offset,
4053 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4054 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4055 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4056 (uw_install_context_1): Handle target regs stored by value.
4058 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4060 * tree-sra.c (tree_sra): Return todoflags;
4061 (generate_one_element): Set TODO_update_smt_usage if needed.
4062 (pass_sra): Remove TODO_update_smt_usage.
4063 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4065 (tree_ssa_forward_propagate_single_use_vars): Return
4066 TODO_update_smt_usage if we need to update SMT usage.
4067 (pass_forwprop): Remove TODO_update_smt_usage.
4069 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4071 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4072 (correct_use_link): Remove reference to get_stmt_operands.
4073 (update_stmt_operands): Likewise.
4074 (get_modify_expr_operands): New function factored out of
4075 parse_ssa_operands and get_expr_operands.
4076 Try to create V_MUST_DEFs for LHS by default.
4077 (get_expr_operands) <case MODIFY_EXPR>: Call
4078 get_modify_expr_operands.
4079 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4080 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4081 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4082 get_modify_expr_operands.
4084 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4086 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4087 * tree-flow.h: Remove the prototype for
4088 referenced_var_lookup_if_exists.
4090 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4092 PR rtl-optimization/26345
4094 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4096 2006-03-03 Roger Sayle <roger@eyesopen.com>
4098 PR tree-optimization/26524
4099 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4100 fold_convert to create a constant of the appropriate type.
4102 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4104 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4105 SYMBOL_REF_IN_BLOCK_P.
4106 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4107 of SYMBOL_FLAG_IN_BLOCK.
4108 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4109 instead of SYMBOL_REF_IN_BLOCK_P.
4110 * explow.c (use_anchored_address): Likewise.
4111 * rtl.c (rtx_size): Likewise.
4112 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4113 instead of SYMBOL_FLAG_IN_BLOCK.
4114 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4115 SYMBOL_REF_IN_BLOCK_P.
4116 (assemble_variable): Likewise.
4117 (output_constant_def_contents): Likewise.
4118 (output_constant_pool): Likewise.
4119 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4120 instead of SYMBOL_FLAG_IN_BLOCK.
4121 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4122 SYMBOL_REF_IN_BLOCK_P.
4123 (SYMBOL_REF_BLOCK): Likewise.
4124 (SYMBOL_REF_OFFSET): Likewise.
4125 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4126 SYMBOL_REF_IN_BLOCK_P.
4127 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4128 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4129 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4130 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4132 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4134 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4136 2006-03-02 Roger Sayle <roger@eyesopen.com>
4138 * simplify-rtx.c (simplify_unary_operation): When simplifying
4139 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4140 that we perform the right shift in the appropriate mode, and
4141 then extend or truncate the result to requested mode.
4143 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4145 * gengtype.c (main): Handle double_int type.
4146 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4147 * double-int.c: New file.
4148 * double-int.h: New file.
4149 * system.h: Include doubleint.h.
4150 * Makefile.in (SYSTEM_H): Include double-int.h.
4151 (double-int.o): Add.
4153 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4156 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4159 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4161 * tree-vrp.c (remove_range_assertions): Do not update statements
4164 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4166 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4168 * gcse.c (rest_of_handle_gcse): Ditto.
4169 * except.c (gate_handle_eh): Ditto.
4170 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4171 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4173 2006-03-02 Eric Christopher <echristo@apple.com>
4175 * config/i386/i386.c (machopic_output_stub): Add indirection to
4178 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4182 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4184 Sun Niagara specific optimizations.
4185 * config.gcc: Recognize niagara as target.
4186 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4187 (TARGET_CPU_niagara): Define.
4188 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4189 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4190 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4191 (ASM_CPU_SPEC): Likewise.
4192 (PROCESSOR_NIAGARA): New enum entry.
4193 (REGISTER_MOVE_COST): Handle Niagara.
4194 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4195 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4196 (sparc_override_options): Recognize "niagara", set appropriate
4197 default MASK_* values for it, and align functions to 32-bytes
4198 by default just like ULTRASPARC/ULTRASPARC3.
4199 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4200 (sparc64_initialize_trampoline): Likewise.
4201 (sparc_use_sched_lookahead): Use zero for niagara.
4202 (sparc_issue_rate): Use one for niagara.
4203 * config/sparc/niagara.md: New file.
4204 * config/sparc/sparc.md: Include it.
4205 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4206 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4207 when default cpu is niagara.
4208 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4209 (ASM_CPU_SPEC): Likewise.
4210 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4211 when default cpu is niagara.
4212 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4213 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4214 just like v9/ultrasparc/ultrasparc3.
4215 * doc/invoke.texi: Add documentation for "niagara" and improve
4216 existing documentation for ultrasparc variants.
4218 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4220 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4222 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4224 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4225 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4226 and say that only one is needed.
4227 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4228 * target.h (have_switchable_bss_sections): New hook.
4229 * explow.c (use_anchored_address): Check that the symbol is in a block.
4230 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4231 (bss_noswitch_section): New variables.
4232 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4233 (get_noswitch_section): New function.
4234 (get_block_for_section): Allow SECT to be null.
4235 (unlikely_text_section_p): Use SECTION_STYLE.
4236 (bss_initializer_p): New function.
4237 (get_variable_section): Move earlier in file. Take a new argument,
4238 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4239 Return one of the new *_sections in such cases.
4240 (get_block_for_decl): New function, extracting some logic from
4241 use_blocks_for_decl_p.
4242 (change_symbol_section): Remove in favor of...
4243 (change_symbol_block): ...this new function.
4244 (use_blocks_for_decl_p): Remove checks now performed by
4246 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4247 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4248 (emit_local, emit_bss, emit_common): ...these new functions.
4249 Return true if the alignment was honored.
4250 (emit_tls_common): New function.
4251 (asm_emit_uninitialised): Delete.
4252 (assemble_variable_noswitch): New function, split out from...
4253 (assemble_variable): ...here. Don't make decisions about common
4254 variables here. Globalize all public decls that go into non-common
4255 sections. Check whether SYMBOL_REF_BLOCK is null.
4256 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4257 (output_constant_pool): Likewise.
4258 (init_varasm_once): Initialize the new section variables.
4259 (have_global_bss_p): New function.
4260 (categorize_decl_for_section): Use bss_initializer_p.
4261 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4262 (place_block_symbol): Assert that the symbol must be in a block.
4263 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4264 (TARGET_INITIALIZER): Include it.
4265 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4266 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4267 (SECTION_MACH_DEP): Bump by two.
4268 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4269 (unnamed_section): Mention SECTION_UNNAMED in comment.
4270 (named_section): Likewise SECTION_NAMED.
4271 (noswitch_section_callback): New type.
4272 (noswitch_section): New structure.
4273 (section): Add a noswitch_section alternative.
4274 (SECTION_STYLE): New macro.
4275 (tls_comm_section, comm_section, lcomm_section): Declare.
4276 (bss_noswitch_section, have_global_bss_p): Declare.
4277 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4278 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4280 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4281 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4284 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4286 * gcc/tree-vrp.c (execute_vrp): Return value.
4287 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4288 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4289 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4290 (tree_lower_complex_O0): Ditto.
4291 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4292 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4293 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4294 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4295 (execute_tail_calls): Ditto.
4296 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4297 * gcc/tree.h (init_function_for_compilation): Ditto.
4298 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4299 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4300 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4301 * gcc/final.c (compute_alignments): Ditto.
4302 (rest_of_handle_final): Ditto.
4303 (rest_of_handle_shorten_branches): Ditto.
4304 (rest_of_clean_state): Ditto.
4305 * gcc/omp-low.c (execute_expand_omp): Ditto.
4306 (execute_lower_omp): Ditto.
4307 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4308 * gcc/ipa-reference.c (static_execute): Ditto.
4309 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4310 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4311 (rest_of_handle_machine_reorg): Ditto.
4312 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4313 * gcc/flow.c (recompute_reg_usage): Ditto.
4314 (rest_of_handle_remove_death_notes): Ditto.
4315 (rest_of_handle_life): Ditto.
4316 (rest_of_handle_flow2): Ditto.
4317 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4318 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4319 (do_ssa_store_ccp): Ditto.
4320 (execute_fold_all_builtins): Ditto.
4321 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4322 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4323 * gcc/ipa-pure-const.c (static_execute): Ditto.
4324 * gcc/cse.c (rest_of_handle_cse): Ditto.
4325 (rest_of_handle_cse2): Ditto.
4326 * gcc/web.c (rest_of_handle_web): Ditto.
4327 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4328 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4329 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4330 * gcc/tree-nrv.c (tree_nrv): Ditto.
4331 (execute_return_slot_opt): Ditto.
4332 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4333 (create_structure_vars): Ditto.
4334 * gcc/loop-init.c (rtl_loop_init): Ditto.
4335 (rtl_loop_done): Ditto.
4336 (rtl_move_loop_invariants): Ditto.
4337 (rtl_unswitch): Ditto.
4338 (rtl_unroll_and_peel_loops): Ditto.
4339 (rtl_doloop): Ditto.
4340 * gcc/gimple-low.c (lower_function_body): Ditto.
4341 (mark_used_blocks): Ditto.
4342 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4343 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4344 (cgraph_early_inlining): Ditto.
4345 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4346 * gcc/jump.c (cleanup_barriers): Ditto.
4347 (purge_line_number_notes): Ditto.
4348 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4349 (rest_of_handle_if_after_reload): Ditto.
4350 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4351 (tree_ssa_loop_im): Ditto.
4352 (tree_ssa_loop_unswitch): Ditto.
4353 (tree_vectorize): Ditto.
4354 (tree_linear_transform): Ditto.
4355 (tree_ssa_loop_ivcanon): Ditto.
4356 (tree_ssa_empty_loop): Ditto.
4357 (tree_ssa_loop_bounds): Ditto.
4358 (tree_complete_unroll): Ditto.
4359 (tree_ssa_loop_prefetch): Ditto.
4360 (tree_ssa_loop_ivopts): Ditto.
4361 (tree_ssa_loop_done): Ditto.
4362 * gcc/predict.c (tree_estimate_probability): Ditto.
4363 * gcc/recog.c (split_all_insns_noflow): Ditto.
4364 (rest_of_handle_peephole2): Ditto.
4365 (rest_of_handle_split_all_insns): Ditto.
4366 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4367 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4368 (rest_of_handle_stack_adjustments): Ditto.
4369 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4370 * gcc/function.c (instantiate_virtual_regs): Ditto.
4371 (init_function_for_compilation): Ditto.
4372 (rest_of_handle_check_leaf_regs): Ditto.
4373 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4374 (rest_of_handle_gcse): Ditto.
4375 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4376 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4377 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4378 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4379 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4380 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4381 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4382 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4383 * gcc/except.c (set_nothrow_function_flags): Ditto.
4384 (convert_to_eh_region_ranges): Ditto.
4385 (rest_of_handle_eh): Ditto.
4386 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4387 (remove_unnecessary_notes): Ditto.
4388 * gcc/except.h (set_nothrow_function_flags): Ditto.
4389 (convert_to_eh_region_ranges): Ditto.
4390 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4391 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4392 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4393 (execute_fre): Ditto.
4394 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4395 (rest_of_handle_jump2): Ditto.
4396 * gcc/tree-sra.c (tree_sra): Ditto.
4397 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4398 (execute_mudflap_function_decls): Ditto.
4399 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4400 (do_store_copy_prop): Ditto.
4401 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4402 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4403 * gcc/tree-ssa-forwprop.c
4404 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4405 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4406 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4407 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4408 (execute_late_warn_uninitialized): Ditto.
4409 * gcc/rtl.h (cleanup_barriers): Ditto.
4410 (split_all_insns_noflow): Ditto.
4411 (purge_line_number_notes): Ditto.
4412 (unshare_all_rtl): Ditto.
4413 (remove_unnecessary_notes): Ditto.
4414 (recompute_reg_usage): Ditto.
4415 (variable_tracking_main): Ditto.
4416 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4417 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4418 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4419 (execute_free_cfg_annotations): Ditto.
4420 (execute_fixup_cfg): Ditto.
4421 (execute_cleanup_cfg_pre_ipa): Ditto.
4422 (execute_cleanup_cfg_post_optimizing): Ditto.
4423 (execute_init_datastructures): Ditto.
4424 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4425 * gcc/combine.c (rest_of_handle_combine): Ditto.
4426 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4427 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4428 (rest_of_handle_reorder_blocks): Ditto.
4429 (rest_of_handle_partition_blocks): Ditto.
4430 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4431 * gcc/tree-profile.c (tree_profiling): Ditto.
4432 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4433 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4434 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4435 (rest_of_handle_sched2): Ditto.
4436 * gcc/basic-block.h (free_bb_insn): Ditto.
4437 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4438 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4439 (remove_useless_stmts): Ditto.
4440 (split_critical_edges): Ditto.
4441 (execute_warn_function_return): Ditto.
4442 (execute_warn_function_noreturn): Ditto.
4443 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4444 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4445 * gcc/passes.c (execute_one_pass): Run additional
4446 todos returned by execute function.
4447 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4450 2006-03-02 Richard Guenther <rguenther@suse.de>
4452 * tree-ssa-alias.c (find_used_portions): Consider taking
4453 the address as making the variable not write-only.
4455 2006-03-02 Nick Clifton <nickc@redhat.com>
4457 * config.gcc (default_use_cxa_atexit): Extend the description of
4458 this configure variable. Set its default value to "yes" for
4459 Linux, NetBSD and ELF targets on the assumption that they will
4460 use C libraries with the __cxa_atexit function.
4462 2006-03-02 Ben Elliston <bje@au.ibm.com>
4464 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4465 parameter as unused to suppress a build warning.
4467 2006-03-02 Ben Elliston <bje@au.ibm.com>
4469 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4472 2006-03-01 Roger Sayle <roger@eyesopen.com>
4475 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4476 declared name, the weak reference name, and the typeof name.
4477 (__gthrw): Avoid expanding the declared name suffix.
4478 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4480 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4482 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4484 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4485 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4486 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4487 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4488 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4489 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4490 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4491 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4492 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4493 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4494 (DW_END_default, DW_END_big, DW_END_little): New.
4495 (DW_END_lo_user, DW_END_hi_user): Define.
4496 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4497 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4498 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4501 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4503 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4505 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4507 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4509 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4511 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4512 to 'symbol_mem_tag'.
4514 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4517 2006-03-01 Roger Sayle <roger@eyesopen.com>
4519 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4521 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4524 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4525 MACHO_DYNAMIC_NO_PIC_P.
4526 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4528 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4531 * config/darwin-protos.h (darwin_asm_output_anchor):
4533 * config/darwin-sections.def (cstring_section):
4534 Add SECTION_MERGE to the flags.
4535 (literal4_section): Likewise.
4536 (literal8_section): Likewise.
4537 (objc_selector_refs_section): Likewise.
4538 (objc_cls_refs_section): Likewise.
4539 * config/darwin.c (darwin_asm_output_anchor): New
4541 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4543 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4545 Fix PR tree-optimization/26443
4546 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4547 to todo and PROP_tmt_usage to properties_destroyed.
4548 * tree-ssa-ccp.c (pass_ccp): Ditto.
4549 (pass_store_ccp): Ditto.
4550 * tree-ssa-dom.c (pass_dominator): Ditto.
4552 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4554 * tree-ssa-operands.c: Cleanup whitespace.
4555 (get_asm_expr_operands): Move before first invocation.
4556 (get_indirect_ref_operands): Likewise.
4557 (get_tmr_operands): Likewise.
4558 (get_call_expr_operands): Likewise.
4559 (append_def): Likewise.
4560 (append_use): Likewise.
4561 (append_v_may_def): Likewise.
4562 (append_v_must_def): Likewise.
4563 (add_call_clobber_ops): Likewise.
4564 (add_call_read_ops): Likewise.
4565 (add_stmt_operand): Likewise.
4566 (add_virtual_operand): Likewise.
4567 (build_ssa_operands): Likewise.
4569 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4574 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4575 with a call expr to ...
4576 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4578 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4580 * tree-vrp.c (extract_range_from_assert): Remove special
4581 handling for types with super-types.
4583 2006-03-01 Ben Elliston <bje@au.ibm.com>
4585 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4586 and powerpc64-*-linux* configurations.
4587 * config/t-dfprules: New file.
4589 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4590 Compile dfp-bit.c from the source directory using -DWIDTH and
4591 $DFP_CFLAGS to control the compilation of that file, rather than
4592 generating width-specific versions in the build directory.
4593 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4594 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4596 2006-02-28 Zack Weinberg <zackw@panix.com>
4598 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4601 2006-02-28 Eric Christopher <echristo@apple.com>
4603 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4604 Set up IN_LIBGCC definition of TARGET_64BIT.
4605 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4607 2006-02-28 Roger Sayle <roger@eyesopen.com>
4610 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4611 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4612 cases via the construction of "expr != 0".
4614 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4616 * alias.c (alias_invariant, alias_invariant_size): Remove.
4617 (record_base_value): Remove.
4618 (memrefs_conflict_p): Don't look at alias_invariant.
4619 (end_alias_analysis): Don't free it.
4620 * alias.h (record_base_value): Remove prototype.
4622 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4623 Adam Nemet <anemet@caviumnetworks.com>
4625 * rtl.h (truncated_to_mode): Declare it.
4626 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4627 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4628 (RTL_HOOKS_INITIALIZER): Include it.
4629 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4630 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4631 reg_truncated_to_mode.
4632 * rtlanal.c (truncated_to_mode): Define it.
4633 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4635 2006-02-28 Jeff Law <law@redhat.com>
4637 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4638 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4639 the range allowed by TYPE_PRECISION.
4641 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4643 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4645 PR tree-optimization/26419
4646 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4649 2006-02-27 Zack Weinberg <zackw@panix.com>
4651 * doc/md.texi: Fix typo in previous change.
4653 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4657 2006-02-27 Zack Weinberg <zackw@panix.com>
4659 * rtl.def (define_constraint, define_register_constraint)
4660 (define_memory_constraint, define_address_constraint): New MD forms.
4661 * gensupport.c (process_rtx): Put define_constraint etc on the
4663 * genpreds.c (process_define_predicate): Adjust comment. Validate
4664 the name, and call validate_exp to validate the expression.
4665 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4666 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4667 all callers changed.
4668 (validate_exp, needs_variable, struct constraint_data)
4669 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4670 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4671 (const_dbl_constraints, constraint_max_namelen)
4672 (have_register_constraints, have_memory_constraints)
4673 (have_address_constraints, have_address_constraints)
4674 (have_extra_constraints, have_const_int_constraints)
4675 (have_const_dbl_constraints, mangle, add_constraint)
4676 (process_define_constraint, process_define_register_constraint)
4677 (write_enum_constraint_num, write_lookup_constraint)
4678 (write_insn_constraint_len, write_regclass_for_constraint)
4679 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4680 (write_insn_extra_memory_constraint)
4681 (write_insn_extra_address_constraint)
4682 (write_satisfies_constraint_fns): New.
4683 (write_tm_preds_h): If we have new-style constraint definitions,
4684 prototype the functions generated from them, and define the
4685 old constraint interface (still used by generic code) in terms of
4687 (write_insn_preds_c): If we have new-style constraint definitions,
4688 generate all relevant functions from those definitions.
4689 (main): Handle define_constraint etc.
4690 * genoutput.c (struct constraint_data, indep_constraints)
4691 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4692 (mdep_constraint_len): New data structures and functions, defined
4693 #ifdef USE_MD_CONSTRAINTS.
4694 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4695 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4696 use new logic to validate operand constraints against constraint
4698 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4700 * defaults.h: If none of the old-style constraint macros are
4701 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4702 old-style macros; and poison REG_CLASS_FROM_LETTER,
4703 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4705 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4706 * doc/md.texi: Document new constraint-definition mechanism and the
4707 C interface it provides. Remove references to old mechanism
4708 elsewhere in the document.
4709 (Machine Constraints): Use pathnames relative to gcc directory,
4710 i.e. config/ARCH/FILE. Change i386 section to refer to
4711 config/i386/predicates.md; update that section to match docstrings.
4712 * doc/tm.texi: Move all documentation of the old constraint-
4713 definition macros to their own section, clearly mark as obsolete.
4715 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4716 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4718 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4719 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4720 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4722 (splits and peepholes): Use satisfies_constraint_*.
4723 * config/i386/i386.c (memory_address_length)
4724 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4726 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4728 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4729 scalar operation to be put back into the loop.
4731 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4734 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4735 (extract_cie_info): Handle S flag in augmentation string.
4736 (execute_cfa_program): If context->signal_frame, execute also
4737 fs->pc == context->ra instructions.
4738 (uw_frame_state_for): If context->signal_frame, don't subtract one
4739 from context->ra to find FDE.
4740 (uw_update_context_1): Set context->signal_frame to
4742 (_Unwind_GetIPInfo): New function.
4743 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4744 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4746 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4747 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4748 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4749 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4750 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4751 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4752 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4753 x86_64_fallback_frame_state): Set fs->signal_frame.
4754 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4755 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4756 (frob_update_context): Likewise. Workaround missing S flag in
4757 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4758 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4759 Remove the psw_addr + 1 hack.
4761 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4763 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4764 with aggregates here.
4765 (find_func_aliases): Remove code for &<aggregate> from here.
4767 2006-02-26 Roger Sayle <roger@eyesopen.com>
4769 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4770 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4771 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4774 2006-02-26 Roger Sayle <roger@eyesopen.com>
4777 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4779 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4781 * opts.c (decode_options): Do not handle flag_strength_reduce.
4782 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4783 and OPT_fstrength_reduce.
4784 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4785 flag_prefetch_loop_arrays for being nonzero.
4786 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4788 (fprefetch-loop-arrays-rtl): Removed.
4789 (flag_prefetch_loop_arrays): Do not specify the value.
4791 * doc/passes.texi: Update documentation of loop optimizer
4793 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4794 -frerun-loop-opt): Remove.
4796 2006-02-26 Richard Guenther <rguenther@suse.de>
4798 PR tree-optimization/26421
4799 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4800 in function calls that are ADDR_EXPRs as using the whole structure.
4802 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4804 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4805 * tree-pass.h (pass_loop_optimize): Remove.
4806 * passes.c (pass_loop_optimize): Never run it.
4807 * toplev.c (backend_init): Don't call init_loop.
4808 * opts.c (flag_loop_optimize_set): Remove.
4809 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4810 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4811 the old RTL loop optimizer when profiling enabled.
4812 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4813 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4814 pre-headers for the sake of the old RTL loop optimizer.
4815 * Makefile.in: Remove all references to loop.o.
4817 * doc/invoke.texi: Remove all references to -floop-optimize
4818 and -frerun-loop-opt.
4820 2006-02-26 Zack Weinberg <zackw@panix.com>
4822 * doc/md.texi (Machine Constraints): Refer to all files with paths
4823 relative to gcc directory (i.e. config/CPU/file). Add missing
4824 @table @code ... @end table to M32C subsection.
4826 2006-02-26 Roger Sayle <roger@eyesopen.com>
4828 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4830 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4832 2006-02-26 Roger Sayle <roger@eyesopen.com>
4833 James A. Morrison <phython@gcc.gnu.org>
4836 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4837 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4838 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4839 signedness of the shift operation.
4841 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4843 PR tree-optimization/26359
4844 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4846 2006-02-25 Roger Sayle <roger@eyesopen.com>
4848 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4849 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4850 as X == 0, and some symmetry related transformations.
4851 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4853 2006-02-25 Roger Sayle <roger@eyesopen.com>
4856 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4857 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4858 symmetry related transformations. Fold (X^C1) == C2 as
4861 2006-02-25 Juergen Weigert <jw@suse.de>
4862 Richard Guenther <rguenther@suse.de>
4864 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4866 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4868 * combine.c (gen_lowpart_or_truncate): Call
4869 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4871 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4873 * doc/invoke.texi: Move -fopenmp description to "Options for
4875 Remove reference to -lgomp.
4877 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4879 * doc/install.texi: Require GNU tar version 1.14.
4881 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4883 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4884 * doc/invoke.texi (C++ Dialect Options): Document
4885 -fno-use-cxa-get-exception-ptr.
4886 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4887 * configure: Regenerate.
4888 * c.opt (fuse-cxa-get-exception-ptr): New.
4889 * c-opts.c (c_common_handle_option): Handle
4890 OPT_fuse_cxa_get_exception_ptr.
4891 * c-common.c (flag_use_cxa_atexit): Update documentation.
4892 (flag_use_cxa_get_exception_ptr): New.
4893 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4894 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4896 (C_COMMON_OVERRIDE_OPTIONS): New.
4898 2006-02-24 Roger Sayle <roger@eyesopen.com>
4901 * combine.c (try_combine): Explicitly check whether GET_CODE is
4902 a SET or a CLOBBER, instead on checking that it isn't a USE.
4904 2006-02-24 Roger Sayle <roger@eyesopen.com>
4906 * fold-const.c (fold_comparison): New subroutine of fold_binary
4907 containing transformations common to both the equality and
4908 ordering relational operators, factored out of fold_binary.
4909 (fold_binary): Separate out the equality operators (EQ_EXPR
4910 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4911 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4912 transformations common to both.
4913 (fold_div_compare): Fix latent bugs in the previously unreachable
4914 LT_EXPR and GE_EXPR cases.
4916 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4918 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4919 decl libname for clog to __clog on AIX.
4921 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4923 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4926 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4927 output traceback table for thunks. Localise rs6000_stack_info call.
4929 2006-02-23 Roger Sayle <roger@eyesopen.com>
4930 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4932 * gthr-posix.h (__gthrw): Fix typo in comment.
4934 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4936 * doc/cpp.texi (Character sets): Document that we do support
4937 input files to be in any character set.
4939 2006-02-23 Jeff Law <law@redhat.com>
4941 * tree.h (PHI_ARG_NONZERO): Remove.
4942 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4943 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4944 node to the new node.
4946 PR tree-optimization/26425
4947 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4948 min/max, then assume its varying.
4950 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4952 PR rtl-optimization/26316
4953 * rtlanal.c (enum may_trap_p_flags): New.
4954 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4955 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4956 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4957 (may_trap_after_code_motion_p): New function.
4958 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4959 (find_invariant_insn): Use may_trap_after_code_motion_p.
4960 * rtl.h (may_trap_after_code_motion_p): Declare.
4962 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4964 * emit-rtl.c (immed_double_const): Cleanup.
4966 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4968 Fix PR tree-optimization/26376
4969 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4972 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4975 * gimplify.c (omp_add_variable): Guard variable size decl test with
4976 DECL_SIZE (decl) check.
4978 2006-02-23 Richard Guenther <rguenther@suse.de>
4981 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4982 like aggregate types.
4984 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4986 * configure.ac: Add --with{,out}-long-double-128 configure option.
4987 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4988 * configure: Rebuilt.
4989 * config.in: Rebuilt.
4990 * doc/install.texi (Options specification): Document
4991 --with-long-double-128.
4993 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4994 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4995 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4996 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4998 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5000 * config/s390/s390.c (override_options): Handle
5001 TARGET_DEFAULT_LONG_DOUBLE_128.
5003 * config/alpha/alpha.c (override_options): Handle
5004 TARGET_DEFAULT_LONG_DOUBLE_128.
5006 * config/sparc/sparc.c (sparc_override_options): Handle
5007 TARGET_DEFAULT_LONG_DOUBLE_128.
5009 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5011 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5012 (real-install-headers-tar, real-install-headers-cpio)
5013 (real-install-headers-cp): New targets.
5015 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5017 * tree.h (variable_section): Delete.
5018 * varasm.c (variable_section): Delete.
5020 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5022 * install.texi: Add notes on install.texi2html.
5023 (Building in parallel): Do not use footnotes.
5025 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5028 * doc/install.texi (Configuration): Document --disable-libgomp.
5030 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5032 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5034 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5036 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5037 (vec_extractv2df_0_sse): New.
5039 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5041 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5042 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5043 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5044 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5045 to the result of the expression.
5046 (def_cfa_1): Adjust.
5047 (frame_pointer_cfa_offset): Rename to...
5048 (frame_pointer_fb_offset): ... this. Adjust all uses.
5049 (convert_cfa_to_loc_list): Rename to...
5050 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5051 Pass it on to build_cfa_loc.
5052 (compute_frame_pointer_to_cfa_displacement): Rename to...
5053 (compute_frame_pointer_to_fb_displacement): ... this. New
5054 offset parameter. Use it in computation.
5055 (gen_subprogram_die): Compute cfa_fb_offset with the new
5056 macro, and use it to compute the fb loc list and the
5059 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5061 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5062 replaced with register_operand.
5063 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5064 non-DREG is expensive.
5065 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5066 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5069 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5071 * doc/install.texi2html: Use set -e.
5073 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5075 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5076 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5077 * doc/invoke.texi (-fshared-data): Delete.
5078 * common.opt (fshared-data): Delete.
5079 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5080 (assemble_static_space): Remove #if 0 code.
5081 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5082 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5083 * config/cris/cris.h: Remove FIXME.
5085 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5087 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5090 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5093 * combine.c (simplify_shift_const_1): Disable nested shifts
5094 optimization for vector shifts.
5096 2006-02-20 Roger Sayle <roger@eyesopen.com>
5098 PR tree-optimization/26361
5099 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5100 of unsigned integer types.
5102 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5104 * tree-chrec.c (eq_evolutions_p): New.
5105 * tree-chrec.h (eq_evolutions_p): Declared.
5106 * tree-data-ref.c: Fix formatting.
5107 (datadep_stats, dependence_stats): New.
5109 (print_direction_vector): New.
5110 (dump_data_dependence_relation): Use print_direction_vector.
5111 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5112 (compute_subscript_distance): Static.
5113 (initialize_data_dependence_relation): Static. Get the number
5114 of loops surrounding the references from the callers, and initialize
5115 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5116 base_object_differ_p analyzers.
5117 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5118 compute_overlap_steps_for_affine_1_2,
5119 analyze_subscript_affine_affine): Count the classified dependences.
5120 Print a message when a test failed.
5121 (can_use_analyze_subscript_affine_affine): New.
5122 (analyze_siv_subscript): Compute the data dependences on symbolic
5123 scevs that verify can_use_analyze_subscript_affine_affine.
5124 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5125 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5126 Handle symbolic scevs.
5127 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5129 (subscript_dependence_tester): Moved...
5130 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5131 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5132 DDR_SIZE_VECT instead of getting it in parameter.
5133 (subscript_dependence_tester): ... here. Take as a parameter
5134 loop_nest_depth. Call build_classic_dist_vector and
5135 build_classic_dir_vector.
5136 (compute_affine_dependence): Update subscript_dependence_tester
5137 parameters. Update datadep_stats counters. Call
5138 compute_subscript_distance.
5139 (compute_self_dependence): Save the dist and dir vectors. Call
5140 compute_subscript_distance.
5141 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5142 (compute_all_dependences): Reorder parameters as they were before
5143 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5144 compute_subscript_distance. Update the use of
5145 compute_affine_dependence and initialize_data_dependence_relation.
5146 (find_data_references_in_loop): Handle COMPONENT_REF.
5147 (compute_data_dependences_for_loop): Initialize dependence_stats.
5148 Don't call build_classic_dist_vector and build_classic_dir_vector.
5149 Update the parameters of initialize_data_dependence_relation and
5150 compute_all_dependences. Print the statistics from datadep_stats.
5151 (analyze_all_data_dependences): Static. Not used until the pass for
5152 checking the data dependences is contributed.
5153 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5154 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5155 (initialize_data_dependence_relation, compute_affine_dependence,
5156 analyze_all_data_dependences, compute_subscript_distance): Removed.
5157 (print_direction_vector): New.
5158 * lambda.h (gcd): ... here.
5159 (lambda_vector_gcd): Moved here from gcd_vector.
5160 * lambda-code.c (gcd, gcd_vector): Removed.
5161 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5162 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5164 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5166 * ipa-type-escape.c: Tidy some comments and white space.
5167 * tree-ssa-operands.c: Likewise.
5169 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5172 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5173 (dump_decl_name): Do not walk the decl tree chains.
5174 * tree-pass.h (TDF_CHAIN): Remove.
5176 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5178 * Makefile.in (C): Remove
5180 (.PHONY): Remove C and PROTO
5182 2006-02-20 Roger Sayle <roger@eyesopen.com>
5185 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5186 deprecated CHAR_TYPE tree code.
5188 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5190 * configure.ac (target_list): Add install-info, dvi, html.
5191 * configure: Regenerate.
5193 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5194 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5195 treelang/Make-lang.in: Do not use double-colon rules.
5197 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5199 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5200 (TMT_USED_ALONE): New macro.
5201 * tree-pass.h (PROP_tmt_usage): New property.
5202 (TODO_update_tmt_usage): New todo.
5203 * tree-ssa-alias.c (updating_used_alone): New variable.
5204 (recalculate_used_alone): New function.
5205 (compute_may_aliases): Set updating_used_alone, call
5206 recalculate_used_alone.
5207 * tree-sra.c (pass_sra): Note that this pass destroys
5208 PROP_tmt_usage, and add TODO_update_tmt_usage.
5209 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5210 * tree-flow.h (updating_used_alone): Prototype.
5211 (recalculate_used_alone): Ditto.
5212 * passes.c (execute_todo): Add code to set updating_used_alone,
5213 and call recalculate.
5214 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5215 for clobber if used alone, and add assert to verify used_alone
5218 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5220 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5221 for non tls symbols added.
5222 (legitimize_address): Do nothing for PLUS expressions if one of the
5223 addends is a tls symbol reference.
5225 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5229 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5231 * Makefile.in (BOOTSTRAPPING): New.
5232 (quickstrap): New definition if BOOTSTRAPPING=yes.
5234 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5235 * configure.ac: Substitute all_selected_languages with the languages
5236 that were configured. For all the other variables except
5237 lang_specs_files, include all the languages in the tree.
5238 * configure: Regenerate.
5240 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5241 if there is one. Run the commands to run fixincludes in the same
5244 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5245 * doc/install.texi: Document exact conventions for searching target tools.
5246 Document --with-build-time-tools. Document toplevel bootstrap. Document
5247 something more about building an Ada cross-compiler. Don't list GNU Make
5248 requirements which affect all platforms.
5250 2006-02-19 Roger Sayle <roger@eyesopen.com>
5253 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5254 only equivalent if the have both the same mode and precision.
5256 2006-02-20 Ben Elliston <bje@au.ibm.com>
5258 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5260 2006-02-19 Roger Sayle <roger@eyesopen.com>
5261 Steven Bosscher <stevenb.gcc@gmail.com>
5263 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5264 constant pool references to identify stack mode constants.
5265 * rtlanal.c (constant_pool_constant_p): New predicate to check
5266 whether operand is a floating point constant in the pool.
5267 * rtl.h (constant_pool_constant_p): Prototype here.
5268 * loop.c (scan_loop): Avoid hoisting constants from the constant
5269 pool on STACK_REGS targets.
5270 (load_mems): Likewise.
5271 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5272 loads into x87 registers expensive in terms of register pressure.
5274 2006-02-19 Roger Sayle <roger@eyesopen.com>
5276 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5277 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5279 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5281 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5282 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5284 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5286 * doc/invoke.texi: Document -fipa-pta.
5287 * common.opt: Add ipa-pta option.
5288 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5289 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5290 (do_ds_constraint): Ditto.
5291 (get_constraint_for): Only add to referenced_vars if
5292 referenced_vars exists.
5293 (insert_into_field_list): Rewrite to do this unsorted.
5294 (insert_into_field_list_sorted): Rename old insert_into_field_list
5296 (create_function_info_for): Use insert_into_field_list_sorted.
5297 (create_variable_info_for): Rewrite so it uses unsorted version,
5298 since the field list is sorted.
5299 (intra_create_variable_infos): Only add to referenced_vars if
5300 referenced_vars exists.
5301 (ipa_pta_execute): Init heapvars, and delete when done.
5302 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5304 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5306 * doc/install.texi: Add missing `@samp'.
5308 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5310 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5313 2006-02-18 Mark Wielaard <mark@klomp.org>
5315 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5316 who added new 4.1 features, bug fixes and integration support.
5318 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5321 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5324 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5326 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5327 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5328 (copy_insn_1): Likewise. Don't copy each field individually.
5330 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5332 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5333 * rtl.c (rtx_size): Rename variable to...
5334 (rtx_code_size): ...this.
5335 (rtx_size): New function.
5336 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5337 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5339 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5340 * rtl.h (rtx_code_size): New variable.
5341 (rtx_size): Change from a variable to a function.
5342 (RTX_SIZE): Rename to...
5343 (RTX_CODE_SIZE): ...this.
5346 PR tree-optimization/17106
5347 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5348 (Anchored Addresses): New section.
5349 * doc/invoke.texi (-fsection-anchors): Document.
5350 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5351 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5352 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5353 * hooks.c (hook_bool_mode_rtx_false): New function.
5354 * hooks.h (hook_bool_mode_rtx_false): Declare.
5355 * gengtype.c (create_optional_field): New function.
5356 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5357 SYMBOL_REF_IN_BLOCK_P is true.
5358 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5359 (min_anchor_offset, max_anchor_offset): Likewise.
5360 (use_anchors_for_symbol_p): New hook.
5361 * toplev.c (compile_file): Call output_object_blocks.
5362 (target_supports_section_anchors_p): New function.
5363 (process_options): Check that -fsection-anchors is only used on
5364 targets that support it and when -funit-at-a-time is in effect.
5365 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5366 if the decl doesn't have one.
5367 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5368 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5369 of force_const_mem through use_anchored_address.
5370 (expand_expr_constant): New function.
5371 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5372 calling expand_expr for INDIRECT_REF.
5373 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5374 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5375 * expr.h (use_anchored_address): Declare.
5376 * loop-unroll.c: Don't declare rtx vectors here.
5377 * explow.c: Include output.h.
5378 (validize_mem): Call use_anchored_address.
5379 (use_anchored_address): New function.
5380 * common.opt (-fsection-anchors): New switch.
5381 * varasm.c (object_block_htab, anchor_labelno): New variables.
5382 (hash_section, object_block_entry_eq, object_block_entry_hash)
5383 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5384 (use_blocks_for_decl_p, change_symbol_section): New functions.
5385 (get_variable_section): New function, split out from assemble_variable.
5386 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5387 use_blocks_for_decl_p say so. Use change_symbol_section if the
5388 symbol has already been created.
5389 (assemble_variable_contents): New function, split out from...
5390 (assemble_variable): ...here. Don't output any code for
5391 block symbols; just pass them to place_block_symbol.
5392 Use get_variable_section and assemble_variable_contents.
5393 (get_constant_alignment, get_constant_section, get_constant_size): New
5394 functions, split from output_constant_def_contents.
5395 (build_constant_desc): Create a block symbol if use_object_blocks_p
5396 says so. Or into SYMBOL_REF_FLAGS.
5397 (assemble_constant_contents): New function, split from...
5398 (output_constant_def_contents): ...here. Don't output any code
5399 for block symbols; just pass them to place_section_symbol.
5400 Use get_constant_section and get_constant_alignment.
5401 (force_const_mem): Create a block symbol if use_object_blocks_p and
5402 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5403 (output_constant_pool_1): Add an explicit alignment argument.
5404 Don't switch sections here.
5405 (output_constant_pool): Adjust call to output_constant_pool_1.
5406 Switch sections here instead. Don't output anything for block symbols;
5407 just pass them to place_block_symbol.
5408 (init_varasm_once): Initialize object_block_htab.
5409 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5410 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5411 (place_block_symbol, get_section_anchor, output_object_block)
5412 (output_object_block_htab, output_object_blocks): New functions.
5413 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5414 (TARGET_ASM_OUT): Include it.
5415 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5416 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5417 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5418 (TARGET_INITIALIZER): Include them.
5419 * rtl.c (rtl_check_failed_block_symbol): New function.
5420 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5421 (block_symbol, object_block): New structures.
5422 (rtx_def): Add a block_symbol field to the union.
5423 (BLOCK_SYMBOL_CHECK): New macro.
5424 (rtl_check_failed_block_symbol): Declare.
5425 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5426 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5427 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5428 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5429 * output.h (output_section_symbols): Declare.
5430 (object_block): Name structure.
5431 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5432 (default_use_anchors_for_symbol_p): Declare.
5433 * Makefile.in (RTL_BASE_H): Add vec.h.
5434 (explow.o): Depend on output.h.
5435 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5436 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5437 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5438 (rs6000_use_blocks_for_constant_p): New function.
5440 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5442 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5444 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5447 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5450 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5452 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5456 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5459 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5460 instead of DECL_REGISTER.
5462 2006-02-18 Olivier Hainque <hainque@adacore.com>
5465 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5467 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5470 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5471 * opth-gen.awk: Handle Var and InverseMask together.
5472 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5473 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5474 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5475 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5477 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5478 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5479 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5480 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5481 LINUX_DYNAMIC_LINKER): Define.
5482 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5483 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5485 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5486 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5487 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5489 (TARGET_C99_FUNCTIONS): Don't define.
5490 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5491 GLIBC_DYNAMIC_LINKER.
5492 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5493 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5494 GLIBC_DYNAMIC_LINKER64): Define.
5495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5496 LINUX_DYNAMIC_LINKER64.
5497 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5499 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5501 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5503 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5504 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5505 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5507 and LINUX_DYNAMIC_LINKER32.
5508 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5510 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5512 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5514 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5515 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5516 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5517 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5518 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5519 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5520 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5521 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5522 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5523 LINUX_DYNAMIC_LINKER): Define.
5524 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5525 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5526 GLIBC_DYNAMIC_LINKER64): Define.
5527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5528 LINUX_DYNAMIC_LINKER64.
5529 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5530 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5531 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5532 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5533 LINUX_DYNAMIC_LINKER): Define.
5534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5535 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5536 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5537 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5538 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5539 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5540 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5541 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5542 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5543 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5545 * doc/invoke.texi (-muclibc): Remove caveat about supported
5548 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5550 * doc/cpp.texi (__TIMESTAMP__): Document.
5552 2006-02-17 Roger Sayle <roger@eyesopen.com>
5555 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5556 C is one less than the width of X (and related transformations).
5557 * simplify-rtx.c (simplify_unary_operation_1): Transform
5558 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5559 depending on STORE_FLAG_VALUE, were C is one less then the
5562 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5564 Fix PR tree-optimization/26341
5565 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5566 about NAME_MEMORY_TAG's.
5568 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5571 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5572 with hardware float support, and software float support. Add fcpy
5573 alternative to hardware patterns. Add alternatives to copy between
5574 general and floating-point registers to the 32-bit pattern.
5575 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5576 secondary reload to load a QI or HI mode constant into a floating
5578 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5579 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5581 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5584 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5586 (load_macho_picbase_di): Likewise.
5588 2006-02-16 Jeff Law <law@redhat.com>
5590 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5591 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5592 (ssa_name_nonzero_p): Likewise.
5593 (get_value_range): Return NULL if VRP is not running.
5594 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5595 VRP routines do not discover a range.
5596 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5597 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5598 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5599 (tree_expr_nonnegative_p): Similarly.
5600 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5601 (restore_nonzero_vars_to_original_value): Remove.
5602 (unsafe_associative_fp_binop): Remove.
5603 (tree_ssa_dominator_optimize): Remove initialization and
5604 finalization of nonzero_vars and nonzero_vars_stack.
5605 (dom_opt_initialize_block): No longer push marker on
5607 (dom_opt_finalize_block): No longer call
5608 restore_nonzero_vars_to_original_value.
5609 (record_equivalences_from_phis): No longer look for
5610 nonzero PHI arguments.
5611 (cprop_into_successor_phis): No longer propagate nonzero
5612 property into PHI arguments. Lose unused argument. Caller
5614 (record_equivalences_from_stmt): No longer record nonzero
5615 values for SSA_NAMEs.
5616 (lookup_avail_expr): No longer use nonzero_vars.
5618 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5619 for sizetype when sizetype is unsigned.
5621 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5623 PR rtl-optimization/25603
5624 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5625 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5626 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5627 with new meaning of SETS.
5629 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5634 * config/linux.opt: New file.
5635 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5636 LINUX_DYNAMIC_LINKER): Define.
5637 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5638 * config.gcc (*-*-linux*): Define extra_options.
5639 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5640 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5641 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5642 GLIBC_DYNAMIC_LINKER.
5643 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5644 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5645 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5647 * doc/invoke.texi (GNU/Linux Options): New section.
5649 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5651 * config/sparc/sparc.md (setjmp): Rewrite.
5652 (setjmp_32): Delete.
5653 (setjmp_64): Likewise.
5655 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5657 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5660 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5662 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5665 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5667 PR rtl-optimization/26296
5668 * Makefile.in (loop-invariant.c): Add except.h dependency.
5669 * loop-invariant.c: Include except.h.
5670 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5672 2005-02-16 Paul Brook <paul@codesourcery.com>
5674 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5677 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5679 PR rtl-optimization/25636
5680 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5681 when deciding whether an insn is an initializing insn.
5683 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5685 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5686 (tree_code_size): Ditto.
5687 * tree.h (struct tree_memory_tag): Remove parent_var.
5688 (struct tree_struct_field_tag): New.
5691 (union tree_node): Add sft member.
5692 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5694 (create_sft): Add size and offset argument, set SFT_OFFSET and
5696 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5697 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5698 * tree-flow-inline.h (get_subvar_at): Update for
5699 SFT_OFFSET/SFT_SIZE.
5700 (var_can_have_subvars): Ditto.
5701 (overlap_subvar): Ditto.
5702 * print-tree.c (print_node): Print out interesting things for
5704 * tree-flow.h (struct subvar): Remove offset and size members.
5705 * tree-ssa-operands.c (get_expr_operands): Update for
5706 get_indirect_ref_operands changes.
5707 (get_indirect_ref_operands): Call add_virtual_operand instead of
5708 add_stmt_operand. Only recurse on base var if requested.
5709 (access_can_touch_variable): New function.
5710 (add_stmt_operand): Split virtual operand handling into ...
5711 (add_virtual_operand): Here. Add offset, size, and for_clobber
5712 arguments. Prune alias sets.
5713 (add_call_clobber_ops): Call add_virtual_operand.
5715 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5718 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5720 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5721 than TREE_CODE as index into omp_clause_num_ops array.
5723 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5725 PR rtl-optimization/26184
5726 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5728 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5729 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5730 must_precede, must_follow and tobe_scheduled.
5733 * opts.c (common_handle_option): Free new_option pointer.
5734 * df-core.c (df_analyze): Free postorder pointer.
5736 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5738 * Makefile.in: Fix the examples about the use of stamps
5740 2006-02-15 Michael Matz <matz@suse.de>
5744 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5745 influenced by maximum_field_alignment or DECL_PACKED.
5746 (update_alignment_for_field): Ditto.
5747 (place_field): Ditto.
5748 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5751 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5753 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5754 (debug_flow_info): Pass it.
5755 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5756 * bb-reorder.c (reorder_basic_blocks): Likewise.
5757 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5758 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5759 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5760 * gcse.c (gcse_main, bypass_jumps): Likewise.
5761 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5762 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5763 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5764 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5765 * rtl.h (dump_flow_info): Adjust prototype.
5766 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5767 * var-tracking.c (variable_tracking_main): Likewise.
5768 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5769 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5772 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5774 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5777 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5779 PR tree-optimization/26209
5780 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5781 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5783 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5785 2006-02-14 Roger Sayle <roger@eyesopen.com>
5788 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5789 (X,Y) and the corresponding symmetry related transformations.
5790 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5791 (X,Y) and its symmetry related transformations.
5793 2006-02-14 Roger Sayle <roger@eyesopen.com>
5795 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5798 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5800 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5802 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5805 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5806 support COMDAT group.
5807 * configure: Regenerate.
5809 2006-02-14 Roger Sayle <roger@eyesopen.com>
5814 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5816 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5818 Fix PR tree-optimization/26260
5820 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5822 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5823 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5824 * tree-ssa-structalias.c (create_variable_info_for): Use
5825 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5827 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5829 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5831 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5832 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5833 of the ending condition.
5834 * tree-ssa-loop-manip.c: Include params.h.
5835 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5836 tree_unroll_loop): New functions.
5837 * tree-pass.h (pass_loop_prefetch): Declare.
5838 * loop.c (rest_of_handle_loop_optimize): Test for
5839 -fprefetch-loop-arrays-rtl.
5840 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5841 * timevar.def (TV_TREE_PREFETCH): New timevar.
5842 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5843 pass_loop_prefetch): New.
5844 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5845 (cleanup_tree_cfg_loop): Call scev_reset.
5846 * common.opt (fprefetch-loop-arrays-rtl): Add.
5847 * tree-ssa-loop-prefetch.c: New file.
5848 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5849 (new_temp_expr_table): Initialize expr_vars.
5850 (free_temp_expr_table): Cleanup expr_vars.
5851 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5852 expressions from being merged into one.
5853 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5854 (struct tree_niter_desc): Add control, bound and cmp fields.
5855 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5857 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5858 (tree-cfgcleanup.o): Add SCEV_H dependency.
5859 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5860 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5862 2006-02-14 Richard Guenther <rguenther@suse.de>
5864 PR tree-optimization/26258
5865 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5866 in PHI argument processing.
5868 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5870 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5871 new expression in the requested machine mode.
5873 2006-02-13 Roger Sayle <roger@eyesopen.com>
5875 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5876 directly, instead let do_compare_rtx_and_jump handle this for us.
5877 * expr.c (expand_expr_real_1): Likewise.
5878 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5879 before do_jump_by_parts_greater.
5880 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5881 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5883 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5885 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5887 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5889 PR rtl-optimization/26235
5890 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5891 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5894 2006-02-13 Jeff Law <law@redhat.com>
5896 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5899 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5902 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5903 twice if decl is a builtin. When trying again, call get_callee_fndecl
5904 first to verify it is still a builtin.
5906 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5908 * dwarf2out.c (base_type_die): Don't add AT_name here.
5909 (subrange_type_die): Don't add AT_name here.
5910 (modified_type_die): Rearrange code flow. Do add AT_name here.
5912 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5914 PR rtl-optimization/26247
5915 PR rtl-optimization/26248
5916 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5918 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5920 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5921 * config/fixtfdi.c: Likewise.
5922 * config/fixunstfdi.c: Likewise.
5923 * config/floatditf.c: Likewise.
5925 2006-02-13 Roger Sayle <roger@eyesopen.com>
5928 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5929 into (X,C2) if C1 is a subset of the bits of C2. Transform
5930 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5932 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5934 2006-02-13 Josh Conner <jconner@apple.com>
5937 * varasm.c (function_section): Check for section name before
5938 calling select_section on targets that define
5939 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5940 unlikely_text_section instead of hot_function_section if
5941 first_function_block_is_cold.
5943 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5946 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5948 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5950 PR rtl-optimization/26222
5951 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5952 after tree->rtl expansion.
5953 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5954 before passing it to emit_move_insn.
5956 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5958 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5960 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5961 Clarify documentation.
5962 * c-common.h (warn_write_strings): Remove.
5963 * c-common.c (warn_write_strings): Likewise.
5964 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5967 2006-02-12 Roger Sayle <roger@eyesopen.com>
5970 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5971 (do_jump_parts_zero_rtx): New function renamed from
5972 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5973 (do_jump_parts_equality_rtx): New function split out from
5974 do_jump_parts_equality. Old implementation renamed as above.
5975 Call do_jump_parts_zero_rtx if either operand is zero.
5976 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5977 do all of the heavy lifting.
5978 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5979 calling either do_jump_by_parts_greater_rtx or
5980 do_jump_by_parts_equality_rtx.
5981 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5982 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5983 moved to do_compare_rtx_and_jump, call it directly.
5984 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5985 mode argument. Call do_compare_rtx_and_jump.
5986 (emit_case_nodes): Update calls to do_jump_if_equal.
5988 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5990 PR rtl-optimization/26225
5991 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5993 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5995 PR rtl-optimization/26232
5996 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5998 2006-02-11 Jason Merrill <jason@redhat.com>
6001 * tree-inline.c (declare_return_variable): Just don't use the
6002 modify target if it's a gimple complex reg and the return slot
6005 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6007 * doc/contrib.texi: Update my entry.
6009 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6011 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6013 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6015 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6018 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6020 * doc/invoke.texi (-floop-optimize2): Removed.
6021 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6022 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6023 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6024 * common.opt (floop-optimize2): Removed.
6025 (fmove-loop-invariants): Enabled by default.
6027 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6029 * tree-if-conv.c (combine_blocks): Free the result of
6030 get_loop_exit_edges.
6032 2006-02-10 Jeff Law <law@redhat.com>
6034 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6036 PR tree-optimization/26213
6037 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6038 loop trying to follow SSA_NAME_VALUE chains.
6040 2006-02-10 Richard Guenther <rguenther@suse.de>
6042 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6043 deal with structures that end in implicitly variable sized arrays.
6045 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6047 PR rtl-optimization/24762
6048 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6051 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6053 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6054 (struct ivopts_data): Add regs_used field.
6055 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6056 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6057 instead of loop_data->regs_used;
6058 (free_loop_data): Do not free aux fields for loops.
6059 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6060 and tree_ssa_iv_optimize_finalize.
6062 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6064 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6066 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6069 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6070 computing the effective result type.
6072 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6075 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6076 (tree_overlaps_hard_reg_set): Declare.
6077 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6078 type and signature to match function type expected by walk_tree.
6079 (tree_overlaps_hard_reg_set): New function.
6080 (decl_conflicts_with_clobbers_p): Rename to:
6081 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6082 Use tree_overlaps_hard_reg_set. Changed caller.
6083 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6084 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6085 * cris.c (cris_md_asm_clobbers): Likewise.
6087 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6089 * reload1.c (emit_input_reload_insns): Delete code that tries to
6090 inherit using find_equiv_reg.
6092 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6094 * c-common.h (flag_const_strings): Don't declare.
6095 * c-common.c (flag_const_strings): Remove.
6096 * c.opt (fconst_strings): Remove.
6097 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6098 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6099 (c_common_init_options): Don't set flag_const_strings.
6100 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6102 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6104 * arm.md (tlobits_cbranch): New pattern.
6105 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6106 testing a single bit.
6108 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6111 * tree-ssa-pre.c (create_component_ref_by_pieces):
6112 Handle RETURN_DECL like VAR_DECL.
6114 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6117 * fold-const.c (fold_indirect_ref_1): Fold
6118 "*(foo *)&complexfoo" to "__real__ complexfoo"
6119 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6121 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6123 * tree-flow-inline.h (var_can_have_subvars):
6124 Volatile variables should not have subvariables.
6126 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6129 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6130 multiplying unsigned values.
6133 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6135 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6137 2006-02-08 Jason Merrill <jason@redhat.com>
6140 * tree.def: Elaborate on difference from MODIFY_EXPR.
6141 * doc/c-tree.texi (INIT_EXPR): Likewise.
6142 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6143 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6144 (gimplify_target_expr): Likewise.
6145 (gimplify_cond_expr): Remove target handling.
6146 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6147 (gimplify_expr): Clobber it here.
6148 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6149 Do return slot optimization if we have an INIT_EXPR.
6152 * tree-inline.c (declare_return_variable): Also clear
6153 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6156 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6159 * gimplify.c (gimplify_one_sizepos): Fix typo.
6161 2006-02-08 Jeff Law <law@redhat.com>
6163 PR tree-optimization/21417
6164 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6165 across a backedge if the control statement at the end of the
6166 block is data dependent on other statements in the same block.
6167 (record_temporary_equivalences_from_stmts): Remove over-conservative
6168 test for threading across backedges.
6170 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6171 control statement, handle all three special cases in the same
6172 manner as they all have the same desired solution. No longer
6173 special case edge flag updating when the post dominator is
6176 2006-02-08 Roger Sayle <roger@eyesopen.com>
6178 * tree.def (CHAR_TYPE): Remove.
6179 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6180 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6181 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6182 (gen_string_type_die): Delete unreachable function.
6184 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6185 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6186 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6187 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6188 * builtins.c (type_to_class): Likewise.
6189 * fold-const.c (fold_convert, build_range_check,
6190 merge_ranges): Likewise.
6191 * expr.c (count_type_elements): Likewise.
6192 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6193 * stor-layout.c (layout_type): Likewise.
6194 * ipa-type-escape.c (type_to_consider): Likewise.
6195 * gimplify.c (omp_firstprivatize_type_sizes,
6196 gimplify_type_sizes): Likewise.
6197 * explow.c (promote_mode): Likewise.
6198 * tree-sra.c (is_sra_scalar_type): Likewise.
6199 * varasm.c (output_constant): Likewise.
6200 * tree-inline.c (remap_type_1): Likewise.
6201 * convert.c (convert_to_pointer, convert_to_real,
6202 convert_to_integer, convert_to_complex): Likewise.
6204 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6206 * df-scan.c (df_def_record_1): A set destination may
6207 be a parallel regardless of mode.
6209 2006-02-08 Roger Sayle <roger@eyesopen.com>
6212 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6213 * config/mips/_tilib.c: Remove.
6214 * config/fixtfdi.c: New libgcc source file.
6215 * config/fixunstfdi.c: New source file.
6216 * config/floatditf.c: New source file.
6217 * config/floatunditf.c: New souce file.
6218 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6219 files above instead of config/mips/_tilib.c.
6220 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6222 2006-02-08 Jeff Law <law@redhat.com>
6224 PR tree-optimization/26169
6225 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6228 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6230 * df.h (DF_REG_SIZE): Return the length of the initialized
6233 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6235 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6236 __muldf3): Return a correctly signed zero.
6238 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6240 * passes.c (register_one_dump_file): Accept the current properties
6241 instead of pass number. Adjust call to dump_register. Remove
6243 (register_dump_files): Now a wrapper around...
6244 (register_dump_files_1): ... this one. Do not modify the pass
6246 (next_pass_1): Cosmetic fix.
6247 (execute_todo): Keep second parameter only. Use curr_properties
6248 instead of fetching it from the pass structure. Check and set
6250 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6251 instead of fetching it from the pass structure. Fix calls to
6252 execute_todo. Update curr_properties and initialize .vcg RTL dump
6253 after running the pass. Reset last_verified.
6254 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6256 (FIRST_AUTO_NUMBERED_DUMP): New.
6257 (dump_register): Remove "num" parameter, assign it within the
6259 (get_dump_file_name): Modify template for dumps.
6260 * tree-dump.h (dump_register): Adjust prototype.
6261 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6262 (PROP_trees): Add PROP_gimple_lomp.
6263 (TODO_set_props): New.
6264 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6265 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6266 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6268 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6270 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6271 (sparc64-*-linux*): Likewise.
6272 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6273 * config/sparc/t-linux: New file.
6274 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6275 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6276 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6277 -m32 -mlong-double-128.
6279 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6280 * config/alpha/t-linux: New file.
6281 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6283 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6284 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6285 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6286 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6287 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6288 (CPP_ARCH32_SPEC): Remove.
6290 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6292 PR tree-optimization/26145
6293 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6296 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6299 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6300 >= 240000 when generating code for SOM runtime.
6301 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6302 to $$dyncall when generating code for SOM runtime..
6304 2006-02-07 Dirk Mueller <dmueller@suse.com>
6307 * doc/invoke.texi (-Wsequence-point): Update documentation
6308 that -Wsequence-point is implemented for C++ as well.
6310 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6312 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6313 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6314 (LIB_SPEC): Likewise.
6315 * doc/invoke.texi (SPARC options): Document -pthread.
6317 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6319 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6322 2006-02-07 Roger Sayle <roger@eyesopen.com>
6324 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6325 Correct comment describing BOOLEAN_TYPE.
6327 2006-02-07 Dirk Mueller <dmueller@suse.com>
6329 * c.opt: C++ frontend supports -Wdiv-by-zero.
6330 * c-opts.c (c_common_handle_option): Remove dead case.
6332 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6334 * configure.ac (TLS assembler check): Do not enable TLS by
6335 default on SPARC/Solaris before version 10.
6336 * configure: Regenerate.
6338 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6340 * doc/invoke.texi (xl-compat): Document conversion and support
6343 2006-02-07 Jeff Law <law@redhat.com>
6345 * tree-vrp.c (find_conditional_asserts): Update comments.
6346 (simplify_stmt_for_jump_threading): New.
6347 (identify_jump_threads, finalize_jump_threads): New.
6348 (vrp_finalize): Call identify_jump_threads.
6349 (execute_vrp): Call finalize_jump_threads.
6350 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6351 (vrp_element, vrp_data, vrp_element_p): Remove.
6352 (vrp_hash_elt, vrp_variables_stack): Remove.
6353 (vrp_hash, vrp_eq, record_range): Remove.
6354 (simplify_cond_and_lookup_avail_expr): Remove.
6355 (extract_range_from_cond): Remove.
6356 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6357 (simplify_stmt_for_jump_threading): New.
6358 (dom_thread_across_edge): New wrapper.
6359 (tree_ssa_dominator_optimize): No longer initialize or
6360 finalize any of the VRP datastructures. Remove iteration
6361 step and simplify as a result of removal of iteration step.
6362 (pass_dominator): Perform a cfg cleanup after DOM.
6363 (dom_opt_finalize_block): Use the new common routines
6364 for threading jumps. Simplify stack management slightly.
6365 No longer need to unwind VRP state.
6366 (record_equivalences_from_incoming_edge): No longer record
6368 (eliminate_redundant_computations): No longer call
6369 simplify_cond_and_lookup_avail_expr.
6370 * tree-flow.h (potentially_threadable_block): Prototype.
6371 (thread_across_edge): Likewise.
6372 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6373 (tree-ssa-threadedge.o): Add dependencies.
6374 * tree-ssa-threadedge.c: New file.
6375 * passes.c (init_optimization_passes): Merge PHIs before
6376 calling VRP. Run VRP again late in the SSA optimization pipeline.
6378 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6380 * df-core.c (df_set_blocks): Do not dereference function pointers.
6381 (df_finish1): Likewise.
6382 (df_hybrid_search_forward): Likewise.
6383 (df_hybrid_search_backward): Likewise.
6384 (df_iterative_dataflow): Likewise.
6385 (df_analyze_problem): Likewise.
6386 (df_compact_blocks): Likewise.
6387 (df_dump): Likewise.
6388 * df-scan.c (df_rescan_blocks): Likewise.
6389 (df_record_entry_block_defs): Likewise.
6391 * genconditions.c (write_conditions): Guard the definition of
6392 'insn_conditions' with the check on GCC version.
6393 (write_writer): Guard the traversal 'insn_conditions' with
6394 the check on GCC version.
6396 2006-02-07 Richard Guenther <rguenther@suse.de>
6400 2006-01-30 Richard Guenther <rguenther@suse.de>
6402 * gimplify.c (gimplify_target_expr): Handle easy cases
6403 without creating a temporary.
6405 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6407 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6408 use of float in probability computations. Use edge probabilities
6409 in place of statically computed probabilities.
6410 (min_spec_prob): New static variable.
6411 (schedule_insns): Initialize it.
6412 (GET_SRC_PROB): Removed.
6413 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6415 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6418 * config/ia64/unwind-ia64.c: Revert last change.
6419 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6420 (INCOMING_FRAME_SP_OFFSET): Define.
6422 2006-02-06 Roger Sayle <roger@eyesopen.com>
6424 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6426 2006-02-07 Ben Elliston <bje@au.ibm.com>
6428 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6429 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6430 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6431 (ix86_return_in_memory): Handle TDmode.
6432 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6433 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6435 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6437 * reorg.c (dbr_schedule): Use dump_file instead of file.
6439 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6442 * config/ia64/predicates.md (extr_len_operand): New predicate.
6443 * config/ia64/ia64.md (extv): Tighten constraints.
6445 (*tbit_and_2): Ditto.
6446 (*tbit_and_3): Ditto.
6447 (*tbit_or_2): Ditto.
6448 (*tbit_or_3): Ditto.
6452 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6455 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6457 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6459 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6460 loop_optimizer_init and loop_optimizer_finalize
6461 * tree-ssa-sink.c (execute_sink_code): Ditto.
6462 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6463 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6464 tree_ssa_loop_done): Ditto.
6465 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6466 * sched-ebb.c: Include output.h.
6467 (schedule_ebbs): Do not use dump argument.
6468 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6469 * loop.c (loop_dump_stream): Removed.
6470 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6472 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6473 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6474 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6475 loop_iterations, strength_reduce, record_biv, record_giv,
6476 final_giv_value, check_final_value, check_ext_dependent_givs,
6477 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6478 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6479 dump_file instead of loop_dump_stream.
6480 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6482 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6484 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6485 * haifa-sched.c: Include output.h
6486 (schedule_insns, sched_init): Do not use dump argument.
6487 * mode-switching.c (optimize_mode_switching): Ditto.
6488 * modulo-sched.c (stats_file): Removed.
6489 (print_node_sched_params): Do not call argument dump_file.
6490 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6491 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6493 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6495 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6496 rtl_loop_init, rtl_loop_done): Ditto.
6497 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6498 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6500 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6501 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6502 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6503 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6504 * emit-rtl.c (renumber_insns): Ditto.
6505 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6506 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6507 * regclass.c (regclass): Ditto.
6508 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6509 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6510 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6511 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6513 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6514 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6516 * gcse.c (gcse_file, debug_stderr): Removed.
6517 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6518 rest_of_handle_gcse): Do not use dump argument.
6519 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6520 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6521 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6522 compute_code_hoist_vbeinout, compute_code_hoist_data,
6523 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6524 compute_store_table, build_store_vectors, insert_insn_start_bb,
6525 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6526 store_motion): Use dump_file instead of gcse_file.
6527 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6528 * profile.c (profile_dump_file): Removed.
6529 (branch_prob): Use dump_file instead of profile_dump_file.
6530 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6532 * tree-ssa-copy.c (dump_copy_of): Ditto.
6533 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6534 dump file to life_analysis.
6535 * bt-load.c (branch_target_load_optimize): Ditto.
6536 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6538 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6539 regclass, dbr_schedule): Declaration changed.
6540 * sched-int.h (sched_init): Declaration changed.
6541 * tree-profile.c (tree_profile_dump_file): Removed.
6542 (tree_profile_hooks): Removed profile_dump_file hook.
6543 * rtl-profile (rtl_profile_dump_file): Removed.
6544 (rtl_profile_hooks): emoved profile_dump_file hook.
6545 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6547 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6548 * tree-cfg.c (build_tree_cfg): Ditto.
6549 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6550 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6551 Declaration changed.
6552 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6553 life_analysis and schedule_insns.
6554 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6556 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6558 * config/mips/mips.c (mips_reorg): Ditto.
6559 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6562 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6564 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6565 (s390_mangle_fundamental_type): New.
6566 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6569 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6570 (alpha_mangle_fundamental_type): New.
6571 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6574 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6576 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6578 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6579 (sparc_mangle_fundamental_type): New.
6581 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6583 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6584 (s390x-*-linux*): Likewise.
6585 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6586 * config/s390/t-linux: New file.
6588 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6590 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6591 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6593 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6595 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6596 (ANTIC_SAFE_LOADS): New macro.
6597 (find_or_generate_expression): Add prototype.
6598 (set_contains_value): Allow null set for sake of not always having
6599 to allocate ANTIC_SAFE_LOADS.
6600 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6601 Allow COMPONENT_REF too.
6602 (valid_in_set): Allow COMPONENT_REF.
6603 Check ANTIC_SAFE_LOADS too.
6604 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6605 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6607 (can_PRE_operation): Add COMPONENT_REF.
6608 (create_component_ref_by_pieces): New function.
6609 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6610 (insert_aux): Move AGGREGATE_TYPE_P check here.
6611 (compute_avail): Set bb local stmt uids.
6612 (pass_pre): Use TODO_update_ssa_only_virtuals.
6614 2006-02-06 Ben Elliston <bje@au.ibm.com>
6616 * configure.ac: Unconditionally disable decimal float by default.
6617 * configure: Regenerate.
6619 2006-02-06 Ben Elliston <bje@au.ibm.com>
6621 * read-rtl.c (read_name): Terminate reading on EOF.
6623 2006-02-06 Ben Elliston <bje@au.ibm.com>
6625 * dfp.c (decimal_real_arithmetic): Change second argument type
6626 from int to enum tree_code. Do not always return true, but now
6627 return result of any call to decimal_do helper functions.
6628 * dfp.h (decimal_real_arithmetic): Update prototype.
6630 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6632 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6634 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6637 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6640 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6642 * tree-vrp.c (cfg_loops): Removed.
6643 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6644 Use current_loops instead of cfg_loops. Pass flags to
6645 loop_optimizer_init.
6646 * cfgloopmanip.c (fix_loop_structure): Update only available
6648 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6649 loop_optimizer_init.
6650 * modulo-sched.c (build_loops_structure): Removed.
6651 (sms_schedule): Use loop_optimizer_init.
6652 * loop-init.c (loop_optimizer_init): Use flags to determine
6653 which properties of loops to prepare.
6654 (rtl_loop_init): Pass flags to loop_optimizer_init.
6655 * tree-ssa-sink.c (execute_sink_code): Ditto.
6656 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6657 * tree-ssa-pre.c (init_pre): Ditto.
6658 * cfgloop.h (LOOPS_NORMAL): New.
6659 (loop_optimizer_init): Declaration changed.
6661 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6663 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6664 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6666 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6668 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6670 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6671 * pa/t-pa64: Delete quadlib.c rule.
6672 * pa/x-ada: Revert last change.
6673 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6675 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6677 PR rtl-optimization/26087
6678 * rtlanal.c (canonicalize_condition): Do not cross basic block
6681 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6684 * config/ia64/ia64.c: Include debug.h.
6685 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6686 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6687 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6688 (process_epilogue, process_set, process_for_unwind_directive):
6689 Output unwind info only if requested. Add CFA info if requested.
6690 Add new arguments as needed. Adjust callers.
6691 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6693 (DWARF2_FRAME_INFO): Define to zero.
6694 * config/ia64/unwind-ia64.c: Remove code that compensated for
6695 the CFA offset error fixed above.
6696 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6697 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6698 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6699 -funwind-tables and -fexceptions to enable frame info.
6700 (dwarf2out_frame_init): Define initial CFA even if
6701 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6702 DWARF2_UNWIND_INFO is nonzero, not just defined.
6703 (dwarf2out_frame_finish): Output non-EH call frame info only
6704 if DWARF2_FRAME_INFO is nonzero.
6705 (convert_cfa_to_loc_list,
6706 compute_frame_pointer_to_cfa_displacement): Define even if
6707 unwind info is not supported.
6708 (gen_subprogram_die): Use the above unconditionally. Remove
6709 legacy alternate code.
6710 * toplev.c (compile_file): Compile in call to
6711 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6712 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6714 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6715 Jakub Jelinek <jakub@redhat.com>
6717 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6718 IBM extended float format long double as "g" on powerpc*-linux.
6720 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6723 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6724 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6726 2006-02-03 Jason Merrill <jason@redhat.com>
6729 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6732 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6733 on the return slot if it's an NRV.
6735 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6737 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6738 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6739 rewrite_use): Do not handle USE_OUTER.
6740 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6741 add_iv_outer_candidates, may_replace_final_value,
6742 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6743 (find_interesting_uses_op): Functionality of
6744 find_interesting_uses_outer_or_nonlin moved here.
6745 (find_interesting_uses_outside): Use find_interesting_uses_op.
6747 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6750 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6752 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6753 Ulrich Weigand <uweigand@de.ibm.com>
6756 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6757 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6758 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6759 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6761 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6762 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6763 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6764 Define secondary reloads for TFmode moves.
6765 (constant_modes): Add TFmode.
6766 (NR_C_MODES): Set to 8.
6767 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6769 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6770 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6771 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6772 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6773 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6774 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6775 (FPR mode macro): Add TFmode.
6776 (DSF mode macro): New.
6777 (<de>, <dee> mode attributes): Removed.
6778 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6779 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6780 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6781 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6782 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6783 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6784 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6785 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6786 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6787 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6788 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6789 "*negabs<mode>2", "sqrt<mode>2"):
6790 Changed <de> to <xde>. R constraint replaced by <Rf>.
6791 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6793 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6794 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6795 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6797 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6798 "extenddftf2", "extendsftf2"): New expanders.
6799 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6800 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6801 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6802 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6804 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6805 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6806 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6807 __floatditf): Add a GCC_4.1.0 symbol version tag.
6808 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6811 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6814 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6815 Use targetm.binds_local_p instead of TREE_PUBLIC.
6817 2006-02-02 Roger Sayle <roger@eyesopen.com>
6819 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6820 on INTEGER_TYPEs to indicate that it denotes a character type.
6821 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6822 signed_char_type_node, unsigned_char_type_node and char_type_node.
6823 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6824 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6825 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6827 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6828 Daniel Berlin <dberlin@dberlin.org>
6830 * tree-tailcall.c (arg_needs_copy_p): New function.
6831 (eliminate_tail_call): Use arg_needs_copy_p.
6832 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6833 (add_virtual_phis): New function.
6835 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6837 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6838 #ignore instead of #scratch for %g7 .register directive.
6840 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6842 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6845 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6847 * flow.c (calculate_global_regs_live): Assert that there aren't any
6850 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6852 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6854 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6855 bsi_after_labels iterator.
6856 * tree-if-conv.c (find_phi_replacement_condition,
6857 replace_phi_with_cond_modify_expr): Likewise.
6858 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6859 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6861 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6863 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6865 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6868 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6869 array after growing it.
6871 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6874 * fold-const.c (fold_checksum_tree): Change type of buf.
6876 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6878 * reload.c (push_secondary_reload): Initialize t_icode.
6880 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6882 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6883 -msoft-float -mlong-double-128 only issue a warning, but don't
6884 swich to DFmode long double.
6886 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6888 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6889 has a constant equivalent, iterate over equivalents for arg0,
6890 calling simplify_relational_operation and if there's a result
6891 cheaper than X, apply fold_rtx and return the result.
6893 2006-02-01 Jan Hubicka <jh@suse.cz>
6895 * opts.c (no_unit_at_a_time_default): New global variable.
6896 (decode_options): Use it.
6897 * opts.h (no_unit_at_a_time_default): Declare.
6899 2006-02-01 Paul Brook <paul@codesourcery.com>
6901 * function.c (assign_parm_setup_reg): Use function argument promotion
6903 * expr.c (expand_expr_real_1): Use function argument promotion rules
6906 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6908 * gcc.c (process_command): Change j to 'unsigned int'.
6910 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6913 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6914 Use the corrected index for the character
6915 out of the string constant.
6917 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6919 * mode-switching.c (optimize_mode_switching): Fix size
6920 allocated for bb_info[n_entities].
6922 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6924 * gcc.c (main): Correct type that is allocated for
6925 explicit_link_files.
6927 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6929 * config/s390/s390.c (init_alignment_context): Set
6930 ALIAS_SET_MEMORY_BARRIER on the MEM.
6931 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6933 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6936 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6938 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6941 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6943 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6944 * regrename.c: Ditto.
6945 * tree-ssa-loop-im.c: Ditto.
6946 * tree-dump.c: Ditto.
6947 * tree-complex.c: Ditto.
6948 * genrecog.c: Ditto.
6949 * tree-ssa-threadupdate.c: Ditto.
6951 * java/class.c: Ditto.
6952 * java/jcf-parse.c: Ditto.
6953 * java/resource.c: Ditto.
6954 * java/except.c: Ditto.
6955 * java/jvspec.c: Ditto.
6956 * java/jcf-write.c: Ditto.
6957 * java/jcf-path.c: Ditto.
6958 * java/gjavah.c: Ditto.
6959 * java/zextract.c: Ditto.
6960 * java/jcf-io.c: Ditto.
6961 * java/jcf.h: Ditto.
6962 * java/buffer.c: Ditto.
6963 * java/lang.c: Ditto.
6964 * java/parse-scan.y: Ditto.
6965 * java/lex.c: Ditto.
6966 * java/lex.h: Ditto.
6967 * cfgloopmanip.c: Ditto.
6968 * postreload-gcse.c: Ditto.
6969 * tree-ssa-loop-manip.c: Ditto.
6970 * postreload.c: Ditto.
6971 * tree-ssa-loop-ch.c: Ditto.
6975 * diagnostic.c: Ditto.
6977 * genoutput.c: Ditto.
6979 * cfghooks.c: Ditto.
6980 * cfgloopanal.c: Ditto.
6981 * objc/objc-act.c: Ditto.
6983 * genextract.c: Ditto.
6984 * genautomata.c: Ditto.
6985 * pretty-print.c: Ditto.
6987 * cgraphunit.c: Ditto.
6990 * haifa-sched.c: Ditto.
6991 * dominance.c: Ditto.
6993 * tree-ssa-loop-ivopts.c: Ditto.
6995 * mode-switching.c: Ditto.
6996 * modulo-sched.c: Ditto.
6998 * ipa-pure-const.c: Ditto.
7000 * fix-header.c: Ditto.
7002 * tree-stdarg.c: Ditto.
7003 * ipa-utils.c: Ditto.
7004 * loop-init.c: Ditto.
7005 * ipa-inline.c: Ditto.
7008 * alloc-pool.c: Ditto.
7009 * dwarf2out.c: Ditto.
7011 * genattrtab.c: Ditto.
7012 * tree-ssa-loop-ivcanon.c: Ditto.
7016 * fortran/gfortranspec.c: Ditto.
7018 * local-alloc.c: Ditto.
7019 * langhooks.c: Ditto.
7020 * function.c: Ditto.
7021 * tree-vectorizer.c: Ditto.
7023 * ipa-type-escape.c: Ditto.
7025 * tree-if-conv.c: Ditto.
7028 * tree-data-ref.c: Ditto.
7029 * loop-unroll.c: Ditto.
7030 * treelang/treetree.c: Ditto.
7033 * ggc-common.c: Ditto.
7035 * coverage.c: Ditto.
7037 * tree-cfgcleanup.c: Ditto.
7038 * tree-ssa-pre.c: Ditto.
7039 * cfgcleanup.c: Ditto.
7040 * loop-invariant.c: Ditto.
7042 * ipa-prop.c: Ditto.
7043 * print-tree.c: Ditto.
7044 * conflict.c: Ditto.
7045 * ggc-page.c: Ditto.
7046 * sched-deps.c: Ditto.
7047 * regclass.c: Ditto.
7048 * tree-object-size.c: Ditto.
7050 * bb-reorder.c: Ditto.
7051 * resource.c: Ditto.
7052 * var-tracking.c: Ditto.
7054 * df-problems.c: Ditto.
7055 * reg-stack.c: Ditto.
7058 * sched-rgn.c: Ditto.
7059 * tree-ssa-structalias.c: Ditto.
7060 * tree-ssa-reassoc.c: Ditto.
7061 * config/darwin-c.c: Ditto.
7062 * config/darwin.c: Ditto.
7063 * config/arm/arm.c: Ditto.
7065 * collect2.c: Ditto.
7068 2006-01-31 Nicolas Pitre <nico@cam.org>
7070 * arm.md (smaxsi3): Make aware of smax_m1.
7073 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7075 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7077 2006-01-31 Richard Guenther <rguenther@suse.de>
7079 * doc/invoke.texi (-msselibm): Document.
7080 * target.h (expand_library_builtin): New target hook.
7081 * builtins.c (expand_builtin): Use expand_library_builtin.
7082 (default_expand_library_builtin): New function.
7083 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7084 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7085 (link_gcc_math_spec): Declare.
7086 (static_specs): Add link_gcc_math_spec.
7087 * expr.h (default_expand_library_builtin): Declare.
7088 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7089 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7090 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7091 * config/i386/i386.opt (msselibm): New target option.
7092 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7093 (ix86_init_sse_abi_builtins): New function.
7094 (ix86_expand_library_builtin): Likewise.
7095 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7096 (override_options): Handle error conditions wrt -msselibm.
7097 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7098 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7099 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7102 2006-01-31 Richard Guenther <rguenther@suse.de>
7103 Paolo Bonzini <bonzini@gnu.org>
7105 * doc/install.texi (--disable-libgcc-math): Document.
7107 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7109 * expr.h (expand_normal): new inline function.
7110 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7112 * dwarf2out.c: use it.
7117 * config/sparc/sparc.c: use it.
7118 * config/i386/i386.c: use it.
7119 * config/rs6000/rs6000.c: use it.
7120 * config/arm/arm.c: use it.
7121 * config/mips/mips.c: use it.
7122 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7124 2006-01-30 Roger Sayle <roger@eyesopen.com>
7126 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7127 argv to the appropriate type.
7129 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7131 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7134 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7137 * config/s390/s390.c (struct machine_function): New flag
7138 decomposed_literal_pool_addresses_ok_p.
7139 (s390_reorg): Set it before final stage of literal pool transforms.
7140 (s390_decompose_address): Only accept displacements of the form
7141 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7143 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7145 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7146 the comparison routine return.
7148 2006-01-30 Michael Matz <matz@suse.de>
7150 * global.c (find_reg): Only evict for global regs.
7151 Take n_refs into account and dump more info.
7153 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7156 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7157 (pragma_trap, pragma_nosave_low_regs): Likewise.
7158 (current_function_anonymous_args): Likewise.
7159 (sh_deferred_function_attributes): New variable.
7160 (sh_deferred_function_attributes_tail): Likewise.
7161 (print_operand): For '@', look up trap_exit attribute.
7162 (calc_live_regs): Look up trapa_handler attribute. For trapa
7163 handlers, save/restore fpscr, but don't do any other
7164 interrupt-specific saves.
7165 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7166 Fix check for partially saved registers to check for SHmedia.
7167 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7168 (sh_output_function_epilogue): Don't clear any of the removed
7170 (sh_insert_attributes): Don't check pragma_interrupt.
7171 Insert deferred attributes. Check that interrupt attribute is
7172 present for other attributes that require its presence.
7173 (sh_attribute_table): Add new attributes trapa_handler and
7175 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7176 Don't check for pragma_interrupt. Don't store argument.
7177 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7178 (sh_deferred_function_attributes): Declare.
7179 (sh_deferred_function_attributes_tail): Likewise.
7180 * sh.md (sp_switch_1): Add operand. Change generator caller.
7181 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7182 (*return_i): Don't use when trap_exit attribute is in effect.
7183 (*return_trapa): New insn pattern.
7185 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7186 setting c_target_objs and cxx_target_objs.
7187 * t-sh: Add rule for sh-c.o.
7189 2006-01-30 Richard Guenther <rguenther@suse.de>
7192 * gimplify.c (gimplify_target_expr): Handle easy cases
7193 without creating a temporary.
7195 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7197 * vec.h (safe_grow): Remove duplicated line.
7199 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7202 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7203 (expand_omp): ... here.
7204 (expand_omp_parallel): Only remove barriers for combined
7205 parallel+workshare constructs.
7207 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7211 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7212 * tree.c (build_qualified_type): Chain the new type to the original
7213 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7214 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7215 (build_pointer_type_for_mode): Only return unqualified types.
7216 (build_reference_type_for_mode): Likewise.
7218 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7220 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7221 * Makefile.in (CXX_COMPAT_WARN): Define.
7222 * configure: Regenerate.
7224 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7227 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7230 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7232 * toplev.c: Fix thinko.
7234 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7235 Marcin Dalecki <martin@dalecki.de>
7237 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7238 (push_srcloc): Use XNEW.
7239 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7241 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7243 * df-core.c (df_set_blocks): Deleted all variable.
7245 2006-01-28 Ian Lance Taylor <ian@airs.com>
7247 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7248 cgraph_output_pending_asms.
7250 2006-01-28 Zack Weinberg <zackw@panix.com>
7252 * c.opt: Add -W(no-)overlength-strings.
7253 * doc/invoke.texi: Document it.
7254 * c-opts.c (c_common_handle_option): -pedantic implies
7255 -Woverlength-strings, if not explicitly disabled already.
7256 (c_common_post_options): -Woverlength-strings defaults to off, and
7257 is always off for C++.
7258 * c-common.c (fix_string_type): Issue warning about strings longer
7259 than is portable only if warn_overlength_strings. Rearrange code
7260 a little for clarity.
7261 * configure.in: Check for -Wno-overlength-strings as well before
7262 enabling -pedantic in stage 1.
7263 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7264 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7266 * genconditions.c (write_header, write_one_condition)
7267 (write_conditions, write_writer): Consolidate very long strings
7268 that were broken up to fit in C89 portable limit. Don't use
7269 printf when fputs will do.
7271 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7273 * combine.c (simplify_comparison <AND>): Check
7274 TRULY_NOOP_TRUNCATION before start using a subreg.
7276 * config/mips/mips.md (*branch_zero<mode>,
7277 *branch_zero<mode>_inverted, *branch_equality<mode>,
7278 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7279 Remove mode check from comparisons.
7281 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7283 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7285 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7287 * expmed.c (const_mult_add_overflow_p): Remove.
7288 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7290 * recog.c (validate_replace_rtx_subexp): Remove.
7291 * recog.h: Remove the prototype for
7292 validate_replace_rtx_subexp.
7294 * integrate.h: Remove the prototype for
7295 copy_decl_for_inlining.
7296 * rtl.h: Remove the prototype for mark_constant_function.
7297 * tree-vectorizer.h: Remove the prototype for
7298 vect_strip_conversion.
7300 * modulo-sched.c (create_partial_schedule,
7301 free_partial_schedule, reset_partial_schedule): Make them
7304 * hooks.c (hook_bool_rtx_int_false): Remove.
7305 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7307 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7309 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7310 and -mlong-double-128 are incompatible.
7311 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7312 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7313 (TARGET_LIBGCC2_CFLAGS): Define.
7314 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7315 (TARGET_LIBGCC2_CFLAGS): Same.
7316 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7318 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7321 * c-typeck.c (build_binary_op): Perform implicit casts of
7322 operands before shortening them.
7324 * cfgloopmanip.c (split_loop_bb): Remove.
7325 * cfgloop.h: Remove the prototype for split_loop_bb.
7327 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7328 * cfgloop.h: Remove the prototype for
7329 flow_loop_outside_edge_p.
7331 * emit-rtl.c (init_virtual_regs): Make it static.
7332 * function.h: Remove the prototype for init_virtual_regs.
7334 * recog.c (peephole2_optimize): Make it static.
7335 * recog.h: Remove the prototype for peephole2_optimize.
7337 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7339 * df-scan.c (df_record_entry_block_defs): Check if
7340 INCOMING_RETURN_ADDR_RTX is defined.
7342 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7343 Kenneth Zadeck <zadeck@naturalbridge.com>
7345 PR rtl-optimization/24762
7346 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7347 * targhooks.c (hook_void_bitmap): New hook prototype.
7348 * targhoohs.h (hook_void_bitmap): Ditto.
7349 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7350 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7351 * target.h (live_on_entry): New function pointer.
7352 * df-scan.c (df_all_hard_regs): Removed.
7353 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7354 (df_scan_free_internal): Added df->entry_block_defs.
7355 (df_scan_alloc): Ditto.
7356 (df_scan_dump): Ditto.
7357 (df_uses_record): Plumbed flag field properly thru calls.
7358 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7359 This part fixes PR24762.
7360 (df_bb_refs_record): Added code to make the frame and arg
7361 pointers live in EH blocks.
7362 (df_refs_record): Added call to df_record_entry_block_defs.
7363 (df_record_entry_block_defs): New function.
7364 * df-core.c: Added comments to describe new artifical defs.
7365 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7366 (entry_block_defs): New field in struct df.
7367 (df_all_hard_regs): Deleted.
7368 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7369 * df-problems.c (df_ru_bb_local_compute_process_def):
7370 Added code to handle artifical defs in the entry to a function.
7371 (df_ru_bb_local_compute): Ditto.
7372 (df_rd_bb_local_compute_process_def): Ditto.
7373 (df_rd_bb_local_compute): Ditto.
7374 (df_lr_bb_local_compute): Ditto.
7375 (df_ur_bb_local_compute): Ditto.
7376 (df_urec_bb_local_compute): Ditto.
7377 (df_chain_create_bb): Ditto.
7378 (df_ur_local_finalize): Removed entry.
7379 (df_urec_init): Ditto.
7380 (df_urec_local_finalize): Ditto.
7381 (df_ri_bb_compute): Added detection of last use of pseudos.
7382 * Makefile.in (df-scan.o): Updated dependencies.
7383 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7384 * config/mips/mips.c (mips_set_live_on_entry): Added.
7385 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7387 * dce.c (marked_insn_p): Added code to handle artifical defs.
7389 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7391 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7393 (_mm_cvtsi128_si64): Likewise.
7394 (_mm_cvtsd_si64): Likewise.
7395 (_mm_cvttsd_si64): Likewise.
7396 (_mm_cvtsi64_sd): Likewise.
7397 (_mm_cvtsi64_si128): Likewise.
7398 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7399 (_mm_cvtsi64_m64): Likewise.
7400 (_m_to_int64): Likewise.
7401 (_mm_cvtm64_si64): Likewise.
7402 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7403 (_mm_cvttss_si64): Likewise.
7404 (_mm_cvtsi64_ss): Likewise.
7405 (_mm_cvtss_f32): Likewise.
7407 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7409 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7410 for pragma redefine_extname.
7412 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7415 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7416 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7417 -mno-minimal-toc to previous content.
7418 (bispecs): Remove goal.
7419 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7420 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7421 compatibility aliases on powerpc-*-*gnu*.
7422 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7423 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7424 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7425 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7426 (ldblspecs): New goal.
7427 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7428 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7430 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7431 L_sf_to_tf or L_df_to_tf is defined.
7433 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7434 Alan Modra <amodra@bigpond.net.au>
7437 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7438 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7439 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7440 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7441 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7442 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7443 (rs6000_override_options): Initialize rs6000_ieeequad.
7444 Initialize TFmode format to ibm_extended_format if not
7446 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7448 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7449 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7450 (function_arg_advance): IBM long double passed in two FPRs, not
7452 (function_arg): IBM long double passed in FPRs.
7453 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7454 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7455 Only multireg GPR aligned.
7456 (rs6000_init_libfuncs): Enable IBM long double functions if not
7458 (rs6000_generate_compare): Use IBM long double compare if not
7460 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7461 (TARGET_IEEEQUAD): Define.
7462 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7463 not TARGET_IEEEQUAD.
7464 * config/rs6000/rs6000.md: Enable TFmode patterns if
7466 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7467 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7468 and -mlong-double-128 are incompatible.
7469 * doc/invoke.texi (-mabi): Collect options together. Add
7470 ibmlongdouble and ieeelongdouble.
7472 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7474 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7476 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7477 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7478 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7479 * rtl.h (rtunion_def): Remove rt_ptr.
7481 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7482 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7483 * config/i386/winnt.c (i386_pe_mark_dllexport)
7484 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7486 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7488 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7490 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7494 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7495 pthread_key_delete. From John David Anglin. gthrw-ify
7496 pthread_getunique_np only if it it's not a macro. Delete
7498 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7499 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7500 __gthread_objc_condition_signal, __gthread_key_delete): Add
7501 "__attribute__ ((__unused__))" to unused arguments.
7502 (__gthread_recursive_mutex_init_function): Add missing return.
7503 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7504 gthr-posix95.h: Use macro-based approach for name redirection
7505 on targets missing weakref.
7507 2006-01-26 Zack Weinberg <zackw@panix.com>
7509 * genconditions.c (write_header): In generated code, #ifdef out
7510 all includes and fake declarations, except includes of bconfig.h
7511 and system.h, unless GCC_VERSION >= 3001. Do not include
7512 gensupport.h in any case.
7513 (write_conditions): Generate a definition of struct c_test. Add
7514 a comment to the generated #endif.
7515 (write_one_condition): Escape backslashes in string too.
7516 (write_writer): Generated code must escape backslashes and quote
7517 marks (but not newlines) in the strings it writes.
7518 * Makefile.in (build/gencondmd.o): Update dependencies.
7520 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7523 * Makefile.in (insn-automata.o): Add header file dependencies.
7524 * genautomata.c: Add includes.
7526 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7529 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7531 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7533 * configure.ac: Expect target tools paths to be passed from the toplevel
7534 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7536 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7538 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7541 * c.opt (Wpointer-sign): Init to -1.
7542 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7543 OPT_pedantic, to 0 otherwise.
7544 * doc/invoke.texi: Update.
7546 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7548 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7549 constants provided by 80387 instructions in the destination mode.
7551 2006-01-26 Richard Guenther <rguenther@suse.de>
7552 Andrew Pinski <pinskia@physics.uc.edu>
7555 partial PR tree-opt/17064
7556 * tree-ssa-structalias.c (intra_create_variable_infos):
7557 Create heap variables for incoming parameters if
7558 flag_argument_noalias > 1.
7559 (find_what_p_points_to): Look through default defs of
7562 2006-01-26 Jeff Law <law@redhat.com>
7565 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7566 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7567 within the VR_RANGE, use the VR_RANGE as the result, not the
7569 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7570 bounds for the type.
7572 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7574 * tree-ssa-alias.c (maybe_create_global_var): Change
7575 subvar walking to an assertion that we don't have subvar'd variables.
7577 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7580 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7581 Use a new variable, inner. PARM_DECLs are always non-weak.
7583 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7585 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7588 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7590 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7592 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7594 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7595 (smax_insn, smin_insn, smax_0, smin_0): New.
7597 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7600 * config/cris/cris.c (cris_order_for_addsi3): New function.
7601 * config/cris/cris-protos.h: Prototype it.
7602 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7603 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7604 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7605 (split for "op.S1 [rx=rx+i],ry (swapped)")
7606 (split for "op(s|u).S1 [rx=rx+i],ry")
7607 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7608 Apply cris_order_for_addsi3 when generating addsi3 insns.
7610 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7612 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7613 (TREE_BLOCK): Add call to EXPR_CHECK.
7615 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7618 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7619 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7620 (dump_omp_clauses): ... here.
7621 (dump_generic_node): Handle OMP_CLAUSE.
7622 * tree.c (omp_clause_num_ops): New.
7623 (omp_clause_code_name): New.
7624 (tree_code_size): Handle OMP_CLAUSE.
7625 (tree_size): Likewise.
7626 (make_node): Document handling of OMP_CLAUSE.
7627 (tree_node_structure): Handle OMP_CLAUSE.
7628 (omp_clause_check_failed): New.
7629 (omp_clause_range_check_failed): New.
7630 (omp_clause_operand_check_failed): New.
7631 (build_omp_clause): New.
7632 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7633 * tree.h (enum omp_clause_code): Declare.
7634 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7635 (OMP_CLAUSE_RANGE_CHECK): Define.
7636 (OMP_CLAUSE_ELT_CHECK): Define.
7637 (omp_clause_check_failed): Declare.
7638 (omp_clause_operand_check_failed): Declare.
7639 (omp_clause_range_check_failed): Declare.
7640 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7641 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7642 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7643 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7644 (OMP_CLAUSE_IF_EXPR): Likewise.
7645 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7646 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7647 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7648 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7649 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7650 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7651 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7652 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7653 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7654 (OMP_CLAUSE_CODE): Define.
7655 (OMP_CLAUSE_SET_CODE): Define.
7656 (OMP_CLAUSE_CODE): Define.
7657 (OMP_CLAUSE_OPERAND): Define.
7658 (struct tree_omp_clause): Declare.
7659 (union tree_node): Add field 'omp_clause'.
7660 * treestruct.def (TS_OMP_CLAUSE): Define.
7661 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7662 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7663 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7664 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7665 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7666 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7667 (OMP_CLAUSE): Define.
7668 * print-tree.c (print_node): Handle OMP_CLAUSE.
7669 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7670 * c-typeck.c: Likewise.
7671 * gimplify.c: Likewise.
7672 * c-omp.c: Likewise.
7673 * tree-nested.c: Likewise.
7674 * tree-inline.c: Likewise.
7675 * c-parser.c: Likewise.
7676 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7679 2006-01-25 Roger Sayle <roger@eyesopen.com>
7681 PR rtl-optimization/25703
7682 * combine.c (try_combine): Handle zero_extract and strict_low_part
7683 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7685 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7687 * global.c: Fix comment typos.
7689 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7692 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7693 Use output_addr_const instead of assemble_name.
7695 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7697 * Makefile.in (sched-vis.o): Update dependencies.
7698 * haifa-sched.c (sched_finish): Clear current_sched_info.
7699 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7700 (dump_flow_info): Call it.
7701 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7703 * basic-block.h (dump_bb_info): Declare.
7704 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7705 option, and apply options only for dump files whose TDF_RTL,
7706 TDF_TREE, or TDF_IPA bits match.
7707 * rtl.h: Declare new functions exported from sched-vis.c.
7708 * sched-vis.c: Enable also if scheduling is not used.
7709 (print_value): Print the mode of registers if not inside scheduling.
7710 (print_insn): Make it work outside the scheduler. Beautify the output
7712 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7714 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7716 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7717 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7718 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7719 depending on the value of CONSTANT_POOL_ADDRESS_P.
7720 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7722 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7723 rather than SYMBOL_REF_DECL.
7724 (rtx_constant_pool): Remove const_rtx_sym_htab.
7725 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7726 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7727 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7728 Remove handling of const_rtx_sym_htab.
7729 (find_pool_constant): Delete.
7730 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7731 rather than find_pool_constant.
7732 (get_pool_constant_for_function): Delete.
7733 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7735 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7736 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7737 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7738 (SYMBOL_REF_CONSTANT): New macro.
7739 (get_pool_constant_for_function): Delete.
7740 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7741 rather than SYMBOL_REF_DECL.
7742 (i386_pe_mark_dllimport): Likewise.
7743 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7744 rather than SYMBOL_REF_DECL.
7745 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7746 (machopic_indirect_call_target): Likewise.
7748 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7750 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7752 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7754 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7756 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7758 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7760 2006-01-24 David Daney <ddaney@avtrex.com>
7763 * configure.ac (enable_tls): New enable option.
7764 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7765 * configure: Regenerate.
7766 * doc/install.texi (--enable-tls): Document new option.
7767 (--disable-tls): Ditto.
7769 2006-01-24 Richard Henderson <rth@redehat.com>
7771 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7772 * alias.c (true_dependence): Respect it.
7773 (canon_true_dependence, write_dependence_p): Likewise.
7774 * builtins.c (get_builtin_sync_mem): Set it.
7776 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7778 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7781 2006-01-24 DJ Delorie <dj@redhat.com>
7783 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7784 for storing constants in single-bit bitfields.
7786 2006-01-25 Ben Elliston <bje@au.ibm.com>
7788 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7790 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7793 * tree-ssa-pre.c (phi_translate): Return NULL
7794 for AGGREGATE_TYPE's.
7796 2006-01-24 Zack Weinberg <zackw@panix.com>
7798 * genautomata.c (process_state_for_insn_equiv_partition):
7799 Use xcalloc for insn_arcs_array.
7800 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7801 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7803 2006-01-24 Richard Henderson <rth@redhat.com>
7805 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7808 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7810 PR rtl-optimization/25890
7811 PR rtl-optimization/25905
7812 * combine.c (expand_compound_operation, expand_field_assignment):
7813 Fail if the bitfield's final position is out of bounds.
7815 2006-01-24 Ian Lance Taylor <ian@airs.com>
7818 * cgraphunit.c (cgraph_output_in_order): Don't clear
7819 cgraph_asm_nodes until after asm strings have been output.
7821 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7823 * fix-header.c (read_scan_file): Add new parameter imultilib when
7824 calling register_include_chains.
7826 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7828 * omp-low.c: Update documentation.
7830 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7831 Daniel Berlin <dberlin@dberlin.org>
7835 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7836 return from the function.
7838 2006-01-22 Zack Weinberg <zackw@panix.com>
7840 * rtl.def (match_code): Add second argument.
7841 * genpreds.c (write_extract_subexp): New function.
7842 (write_match_code): Add path argument. Use write_extract_subexp.
7843 (write_predicate_expr): Pass path to write_match_code.
7844 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7845 not perform a mode test.
7846 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7847 a subexpression does not constrain the top-level code set.
7848 * read-rtl.c (read_rtx_variadic): New function.
7849 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7850 * doc/md.texi: Document new notation.
7851 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7852 (cmpsi_operand): ... here, using new notation.
7854 2006-01-22 Zack Weinberg <zackw@panix.com>
7856 * varray.c: Remove GENERATOR_FILE #ifdefs.
7858 2006-01-22 Zack Weinberg <zackw@panix.com>
7860 * genautomata.c (output_reserved_units_table): Emit nothing if
7861 description->query_units_num is zero. Remove extra blank line.
7862 (output_cpu_unit_reservation_p): Short circuit
7863 if description->query_units_num is zero.
7865 2006-01-22 Zack Weinberg <zackw@panix.com>
7867 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7868 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7869 nor any of the random handful of variables that used to be necessary
7870 when this program was linked with rtlanal.o. Prune set of forward
7871 function declarations.
7872 (struct attr_desc): Remove static_p field.
7873 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7874 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7875 (attr_string): Do not read the character one past the length of
7877 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7878 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7879 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7880 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7881 (make_automaton_attrs): New.
7882 (main): Do not call into genautomata. Call local gen_bypass
7883 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7884 Remove special case for insn_alts.
7885 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7886 varray.h (leftover from previous change). Prune set of forward
7887 function declarations. Remove state_alts fields from all
7888 structures. Remove state_alts_table from struct automaton.
7889 Make everything except main static. Do not maintain num_dfa_decls.
7890 Do not maintain state_alts fields of various structures.
7891 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7892 (add_arc): Remove state_alts argument. All callers updated.
7893 (output_reserved_units_table): Emit #ifdef here...
7894 (output_tables): ...not here. Don't generate state_alts tables.
7895 (expand_automata): Don't generate attributes.
7896 (write_automata): Don't generate state_alts functions.
7897 (main): New function.
7898 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7899 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7900 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7901 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7902 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7903 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7904 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7905 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7907 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7908 * genattrtab.h: Delete file.
7909 * Makefile.in (OBJS-common): Add insn-automata.o.
7910 (insn-automata.o): New rule.
7911 (simple_generated_c): Add insn-automata.c.
7912 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7913 (genprogmd): Add automata.
7914 (build/genattrtab): Needs no extra objects nor libraries.
7915 (build/genautomata): Needs build/vec.o and -lm.
7917 2006-01-22 Zack Weinberg <zackw@panix.com>
7919 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7920 (output_dfa_max_issue_rate, locked_states_num): Delete.
7921 (struct automaton): Add locked_states field.
7922 (output_dead_lock_vect): Save number of locked states in
7923 automaton->locked_states. If it is zero, don't print anything.
7924 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7925 (output_internal_dead_lock_func): Only test the dead_lock_vect
7926 for automata that have locked states.
7927 (output_statistics): Always print the number of locked states for
7928 each automaton. Calculate total number of locked states here.
7929 (write_automata): Don't call output_dfa_max_issue_rate.
7930 * genattrtab.c: Define length_unit_log as a const variable.
7931 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7932 max_insn_queue_index const.
7933 * final.c (length_unit_log): Declare const.
7934 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7936 2006-01-22 Zack Weinberg <zackw@panix.com>
7938 * genautomata.c: Include vec.h, not varray.h.
7939 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7940 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7941 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7942 VEC_* macros operating on appropriately typed vectors, or to
7943 malloced arrays when the size is known in advance. Const-ify
7944 many char* variables and function arguments. No functional changes.
7945 * Makefile.in (build/varray.o): Delete rule.
7946 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7947 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7949 2006-01-22 Zack Weinberg <zackw@panix.com>
7951 * gensupport.c: Define get_insn_name and record_insn_name here.
7952 (read_md_rtx): Call record_insn_name as appropriate.
7953 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7954 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7955 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7957 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7958 (BUILD_VARRAY): Delete.
7959 (genprognormal): Rename genprogmd. Fold in all programs from
7960 genprognoprint; also attrtab.
7961 (build/genattrtab): Just mention genautomata.o and varray.o.
7962 Reorganize a bit, add comments to make the categories clearer.
7964 2006-01-22 Zack Weinberg <zackw@panix.com>
7966 * genconditions.c (condition_table, add_condition): Delete.
7967 (write_conditions): Don't emit n_insn_conditions nor
7968 insn_elision_unavailable. Issue the gcc version #ifdef here,
7969 inside the table, with no #else clause ...
7970 (write_header): ...not here.
7971 (write_writer): New function.
7972 (main): Don't initialize condition_table. Use add_c_test.
7974 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7975 files on the command line.
7976 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7977 Return -1 if there is no entry in the table, don't abort.
7978 (add_c_test, traverse_c_tests): New functions.
7979 * gensupport.h (insn_elision_unavailable, insn_conditions)
7980 (n_insn_conditions): Delete declarations.
7981 (add_c_test, traverse_c_tests): Declare.
7982 * read-rtl.c: Include gensupport.h.
7983 (read_conditions): New function.
7984 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7985 (read_rtx_1): If we get EOF when we were looking for an initial
7986 open paren, return 0. Call read_conditions when appropriate.
7987 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7988 dummy-conditions.o. Eliminate references to insn-conditions.o,
7989 or change them to build/gencondmd.o, as appropriate. Remove
7990 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7991 from $(simple_generated_c). For all files remaining in those
7992 two lists, add insn-conditions.md to the generator command line.
7993 Give insn-constants.h/s-constants their own rules. Add rules
7994 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7995 (build/read-rtl.o): Depend on gensupport.h.
7996 (genprognormal): Include preds.
7997 (genprogearly): Rename genprognoprint; only difference is now that
7998 they don't link with $(BUILD_PRINT).
7999 * dummy-conditions.c: Delete.
8001 2006-01-22 Zack Weinberg <zackw@panix.com>
8003 * genextract.c: Don't include insn-config.h. Do include vec.h.
8004 Declare vectors of int, char, and locstr.
8005 (locstr): New typedef.
8006 (struct extraction): Make all array fields into bare pointers.
8007 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8008 (insn_code_number): Delete.
8009 (accum_extract): New struct.
8010 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8011 (gen_insn): Take insn_code_number as an argument. Use an
8012 accum_extract structure instead of loading data directly into
8013 a struct extraction, and having to know how big it might get.
8014 (walk_rtx): Operate entirely on an accum_extract structure.
8015 (print_path): Avoid unnecessary use of printf.
8016 (print_header): New function, split out of main. Distinguish
8017 more carefully between an unrecognizable insn and an insn that
8018 has the code number of a define_expand.
8019 (main): Pass insn_code_number to gen_insn. Call print_header
8020 only after parsing. Avoid unnecessary use of printf.
8021 * Makefile.in (build/vec.o): New rule.
8022 (build/genextract): Depend on build/vec.o.
8023 (build/genextract.o): Don't depend on insn-config.h.
8025 2006-01-22 Zack Weinberg <zackw@panix.com>
8027 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8028 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8029 practical. Eliminate per-generator-program link rules.
8031 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8034 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8035 with a call expr to ...
8036 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8038 2006-01-23 Richard Guenther <rguenther@suse.de>
8040 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8041 before make_edge with conditional EDGE_TRUE_VALUE.
8043 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8044 Jan Hubicka <jh@suse.cz>
8045 Richard Guenther <rguenther@suse.de>
8047 PR rtl-optimization/25654
8048 * cfgexpand.c (aggregate_contains_union_type): New function.
8049 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8050 for structure variables that contain a union type.
8052 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8054 * gengtype.c (new_structure): Return the structure.
8055 (create_option): Add an extra "next" argument.
8056 (create_field): New function.
8057 (adjust_field_rtx_def): Use create_option and create_field.
8058 Remove a now-unnecessary call to find_structure.
8059 (adjust_field_tree_def): Likewise.
8060 (note_yacc_type): Remove an unnecessary call to find_structure.
8061 * gengtype.h (new_structure): Return the structure.
8062 (create_option): Add an extra argument.
8063 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8064 (option): Adjust calls to create_option.
8066 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8068 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8070 2006-01-22 Paul Brook <paul@codesourcery.com>
8071 Peter Barada <peter@the-baradas.com>
8073 * config/m68k/m68k.md: Add Coldfire FPU support.
8074 Define FP mode macro and associated attributes.
8075 Use it for float mode patterns.
8076 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8077 (LIBCALL_VALUE): Use m68k_libcall_value.
8078 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8079 (m68k_function_value): Ditto.
8080 (emit_move_sequence): Ditto.
8081 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8082 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8083 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8084 (MULTILIB_EXCEPTIONS): Ditto.
8085 * config/m68k/m68k.opt: Add mcfv4e.
8086 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8087 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8088 (m68k_output_function_prologue): Save ColdFire FPU registers.
8089 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8090 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8091 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8092 ColdFire FPU registers.
8093 (m68k_libcall_value, m68k_function_value): New functions.
8094 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8095 (LIBCALL_VALUE): Use m68k_libcall_value.
8096 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8097 (MASK_COLDFIRE): Add MASK_CFV4E.
8098 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8099 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8100 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8101 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8102 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8103 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8104 * doc/invoke.tex: Document -mcfv4e on m68k.
8106 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8108 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8111 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8114 * c-opts.c (c_common_handle_option): Don't include
8115 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8116 * doc/invoke.texi (C++ Dialect Options): Document that
8117 -Wnon-virtual-dtor is no longer included in -Wall.
8119 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8121 * gcov.c (print_version), gcov-dump.c (print_version),
8122 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8125 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8127 * df-scan.c (problem_SCAN): Added NULL reset function.
8128 (df_scan_reset_blocks): Added code to call reset block function
8129 (df_bb_refs_delete) Fixed comment.
8130 (df_insn_refs_delete): Made tolerant of deleting non existent info
8131 for dataflow problems that need to be reset.
8132 * df-core.c (df_set_blocks): Ditto.
8133 * df.h (struct df_problem): Added reset_fun.
8134 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8135 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8136 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8137 functions to clear out all references to def-use or use-def chains.
8139 2006-01-21 Ben Elliston <bje@au.ibm.com>
8141 * varasm.c (assemble_real): Initialise data array.
8143 2006-01-20 Paul Brook <paul@codesourcery.com>
8145 Merge from csl-arm-branch.
8146 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8147 * config/arm/arm.md (movdi): Force operands[1] to a register
8148 if we have a non-register source.
8149 (*arm_movdi, *movdf_soft_insn): Require that one of the
8150 operands be a register.
8151 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8152 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8154 2006-01-20 DJ Delorie <dj@redhat.com>
8156 * varasm.c (initialize_constant_valid_p): Allow pointers
8157 initialized from integer constants of lesser precision.
8158 (output_constant): Allow non-int-sized pointer modes to be
8159 initialized from integer constants.
8161 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8164 * cppdefault.h (struct default_include): Add multilib flag.
8165 * cppdefault.c (cpp_include_defaults): Set it.
8166 * c.opt (-imultilib): New option.
8167 * c-opts.c (imultilib): New.
8168 (c_common_handle_option): Handle -imultilib.
8169 (c_common_post_options): Likewise.
8170 * c-incpath.c (add_standard_paths, register_include_chains):
8172 * c-incpath.h (register_include_chains): Add extra parameter.
8173 * gcc.c (do_spec_1): Generate -imultilib option.
8174 (The Specs Language): Update %I description.
8175 (process_command): Update copyright notice.
8176 * doc/cppopts.texi (-imultilib): Document.
8177 * doc/invoke.texi (-imultilib): Include in option summary.
8178 (%I): Update specs documentation.
8180 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8182 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8184 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8186 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8189 2006-01-20 Richard Guenther <rguenther@suse.de>
8190 Steven Bosscher <stevenb.gcc@gmail.com>
8192 PR rtl-optimization/24626
8193 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8194 EDGE_TRUE_VALUE if in RTL mode.
8197 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8198 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8200 2006-01-20 Dirk Mueller <dmueller@suse.com>
8203 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8204 instead of a special NOP marker.
8205 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8206 NOP marker handling.
8207 * c-common.h (empty_body_warning): Add forward declaration.
8208 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8209 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8211 2006-01-20 Paul Brook <paul@codesourcery.com>
8213 * Makefile.in (lang_checks): Keep going if mkdir fails.
8215 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8217 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8218 be able to clean out basic block when not necessary.
8219 (df_scan_free): Fixed to properly delete information if df is
8220 unused before calling df_finish.
8221 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8222 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8224 (df_bb_refs_delete): New function.
8225 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8226 * df-core.c (df_set_blocks): Added code to properly clean out
8227 unused blocks if they are not part of the blocks to consider.
8228 Added additional null check.
8229 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8230 be able to clean out basic block when not necessary
8231 * df.h (df_free_bb_function): Ditto.
8232 (df_bb_refs_delete): New function.
8233 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8234 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8235 basic block parameter to be able to clean out basic block when not
8237 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8238 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8239 Fixed to properly delete information if df is unused before
8242 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8244 PR rtl-optimization/25799
8245 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8246 Corrected confluence operator to remove bits from op2 before oring
8247 with op1 rather than removing bits from op1.
8248 (df_ru_transfer_function): Corrected test on wrong bitmap which
8249 caused infinite loop. Both of these problems were introduced in
8250 the dataflow rewrite.
8252 2006-01-19 DJ Delorie <dj@redhat.com>
8254 * reload1.c (find_reload_regs): Note the details of reload
8255 failures in the dump file.
8256 (spill_failure): Likewise.
8258 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8260 * loop-iv.c: Include df.h and hashtab.h.
8261 (enum iv_grd_result): New enum.
8262 (DF_REF_IV, DF_REF_IV_SET): New macros.
8263 (struct biv_entry): New.
8264 (df, bivs): New global variables.
8265 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8266 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8268 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8269 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8270 analyzed_for_bivness_p, record_biv): New functions.
8271 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8272 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8273 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8275 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8277 (iv_number_of_iterations): Use new interface to iv analysis.
8278 * loop-unroll.c: Do not include varray.h.
8279 (analyze_iv_to_split_insn): Use new interface to iv
8281 * loop-unswitch.c (may_unswitch_on): Ditto.
8282 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8284 (df_bb_modify): Realloc tables to the new index.
8285 (df_find_use): New function.
8286 * df.h (df_find_use): Declare.
8287 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8289 * cfgloop.h (struct rtx_iv): Remove analysed field.
8290 (iv_get_reaching_def): Removed.
8291 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8292 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8293 (loop-iv.o): Add df.h and hashtab.h dependency.
8294 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8296 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8299 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8301 (__floatundisf, __floatundidf): Likewise.
8302 * libgcc2.h (IS_IBM_EXTENDED): Define.
8304 2006-01-19 DJ Delorie <dj@redhat.com>
8306 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8308 2006-01-19 Paul Brook <paul@codesourcery.com>
8310 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8311 as nothrow when unwinding tables are disabled.
8313 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8316 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8317 of bit-field" when in system header.
8319 2006-01-19 DJ Delorie <dj@redhat.com>
8321 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8322 the 16 bit shift limit of the m16c.
8324 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8327 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8328 * config/i386/i386.c (output_set_got): Output the label if we have one
8329 for the TARGET_DEEP_BRANCH_PREDICTION case.
8331 2006-01-19 Jan Hubicka <jh@suse.cz>
8332 H.J. Lu <hongjiu.lu@intel.com>
8333 Evandro Menezes <evandro.menezes@amd.com>
8335 * invoke.texi (generic): Document
8337 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8338 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8339 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8340 (x86_use_incdec, x86_pad_returns): New variables
8341 (TARGET_CPU_DEFAULT_generic): New constant
8342 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8343 (enum processor_type): Add generic32 and generic64.
8344 * i386.md (cpu attribute): Add generic32/generic64
8345 (movhi splitter): Behave sanely when both partial_reg_dependency and
8346 partial_reg_stall are set.
8347 (K8 splitters): Enable for generic as well.
8348 * predicates.md (incdec_operand): Use TARGET_INCDEC
8349 (aligned_operand): Avoid memory mismatch stalls.
8350 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8351 * ppro.md: Enable for generic32
8352 * i386.c (generic64_cost, generic32_cost): New.
8353 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8354 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8355 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8356 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8357 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8358 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8359 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8360 x86_accumulate_outgoing_args, x86_prologue_using_move,
8361 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8362 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8364 (x86_use_incdec, x86_pad_returns): New.
8365 (override_options): Add generic32 and generic64, translate "generic"
8366 to generic32/generic64 and "i686" to "generic32", refuse
8367 "generic32"/"generic64" as arch target.
8368 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8369 (ix86_reorg): Honor PAD_RETURNS.
8371 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8373 * tree-pretty-print.c (dump_generic_node): Handle
8374 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8375 * cgraph.c (cgraph_expand_queue): Rename from
8376 cgraph_analyze_queue. Update all users.
8377 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8378 cgraph_expand_queue.
8379 (cgraph_expand_all_functions): Likewise.
8380 (cgraph_finalize_pending_functions): Remove. Update callers.
8382 * tree.h (OMP_DIRECTIVE_P): Define.
8383 (OMP_PARALLEL_FN): Define.
8384 (OMP_PARALLEL_DATA_ARG): Define.
8385 (OMP_SECTIONS_SECTIONS): Define.
8386 * tree-pass.h (pass_expand_omp): Declare.
8387 * omp-low.c (struct omp_region): Declare.
8388 (struct omp_context): Remove fields 'parallel_type',
8389 'parallel_start_ix' and 'parallel_start_additional_args'.
8391 (struct omp_for_data): Rename from struct expand_omp_for_data.
8392 (omp_regions): New static variable.
8393 (root_omp_region): New static variable.
8394 (find_omp_clause): Make static.
8395 (is_in_combined_parallel_ctx): Remove.
8396 (is_combined_parallel): New.
8397 (extract_omp_for_data): Move earlier in the file.
8398 (workshare_safe_to_combine_p): New.
8399 (get_ws_args_for): New.
8400 (determine_parallel_type): Move earlier in the file.
8401 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8403 (omp_copy_decl): Likewise.
8404 (create_omp_child_function): Likewise.
8405 (lookup_omp_region): New.
8406 (dump_omp_region): New.
8407 (debug_omp_region): New.
8408 (debug_all_omp_regions): New.
8409 (new_omp_region): New.
8410 (scan_omp_parallel): If parallel_nesting_level > 1, the
8411 directive is nested within another parallel directive.
8412 Set OMP_PARALLEL_FN.
8413 (scan_omp_for): Do not try to handle combined parallel+for
8415 Remove FIXME comment.
8416 (scan_omp_nested): Remove.
8417 (scan_omp_1): Do not call scan_omp_nested when
8418 parallel_nesting_level is > 1.
8419 Do not change the DECL_CONTEXT of local variables found.
8420 (lookup_decl_in_outer_ctx): New.
8421 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8422 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8423 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8424 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8425 If CTX is nested, lookup VAR in the outer context when
8426 building copy assignment.
8427 (lower_send_clauses): Rename from expand_send_clauses.
8428 If CTX is nested, lookup VAR in the outer context when
8429 building copy assignments.
8430 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8431 If CTX is nested, lookup VAR in the outer context when
8432 building copy assignments.
8433 (expand_parallel_call): Rename from build_parallel_call.
8434 Handle combined parallel+workshare cases.
8435 Re-implement to emit code into the CFG.
8437 (expand_omp_parallel): Re-implement to emit code into the CFG.
8438 Call move_sese_region_to_fn to outline the sub-graph
8439 containing the parallel region.
8440 (expand_omp_for_1): Remove.
8441 (expand_omp_for_generic): Re-implement to emit code into the
8443 (expand_omp_for_static_nochunk): Likewise.
8444 (expand_omp_for_static_chunk): Likewise.
8445 (expand_omp_for): Likewise.
8446 (expand_omp_sections): Likewise.
8447 (remove_exit_barriers): New.
8448 (expand_omp_synch): New.
8450 (build_omp_regions_1): New.
8451 (build_omp_regions): New.
8452 (execute_expand_omp): New.
8453 (gate_expand_omp): New.
8454 (pass_expand_omp): Define.
8455 (lower_omp_sections): Rename from expand_omp_sections.
8456 Set OMP_SECTIONS_SECTIONS.
8457 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8458 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8459 (lower_omp_single): Rename from expand_omp_simple.
8460 (lower_omp_master): Rename from expand_omp_master.
8461 (lower_omp_ordered): Rename from expand_omp_ordered.
8462 (lower_omp_critical): Rename from expand_omp_critical.
8463 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8464 (lower_omp_for): Re-implement.
8465 (lower_omp_parallel): Re-implement.
8466 (lower_regimplify): Rename from expand_regimplify.
8467 (lower_omp_1): Rename from expand_omp_1.
8468 If there are syntax errors in the program, replace every
8469 OpenMP directive with NOP.
8470 Call lower_omp_* instead of expand_omp_*.
8471 (lower_omp): Rename from expand_omp.
8473 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8474 * tree-gimple.h (enum omp_parallel_type): Remove.
8475 (gimple_boolify): Declare extern.
8476 (find_omp_clause, determine_parallel_type): Remove.
8478 * gimple-low.c (lower_omp_directive): New.
8479 (lower_stmt): Call it.
8480 (record_vars_into): Move from ...
8481 (record_vars): ... here.
8482 Call record_vars_into with current_function_decl.
8484 * gimplify.c (struct gimplify_ctx): Remove fields
8485 combined_pre_p and combined_ctxp. Update users.
8486 (get_formal_tmp_var): Add documentation.
8487 (gimple_boolify): Make extern.
8488 (gimplify_expr_in_ctx): Remove. Update callers.
8489 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8490 will always be a BIND_EXPR.
8491 (gimplify_expr): Handle OMP_RETURN_EXPR.
8492 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8493 (OMP_PARALLEL): Add 3 operands.
8494 (OMP_SECTIONS): Add 1 operand.
8495 (OMP_RETURN_EXPR): Define.
8497 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8498 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8499 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8500 creating a circular free list.
8501 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8503 * tree-flow.h (move_sese_region_to_fn): Declare.
8504 (record_vars_into): Declare.
8505 * tree-cfg.c (make_omp_sections_edges): New.
8506 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8507 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8508 OMP_SECTIONS and OMP_SECTION.
8509 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8510 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8511 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8512 (gather_blocks_in_sese_region): New.
8513 (struct move_stmt_d): Declare.
8515 (move_block_to_fn): New.
8516 (move_sese_region_to_fn): New.
8518 * passes.c (init_optimization_passes): Schedule
8519 pass_expand_omp after pass_init_datastructures.
8521 * tree-ssa-operands.c (get_expr_operands): Handle
8522 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8523 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8525 2006-01-19 Jeff Law <law@redhat.com>
8527 * tree-vrp.c (extract_range_from_assert): Refine the result range
8528 if the variable referenced by the ASSERT_EXPR has a range and
8529 either the tentative result range or the previous range is a
8532 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8534 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8536 2006-01-19 Jan Hubicka <jh@suse.cz>
8538 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8540 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8542 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8543 (expand_compound_operation, expand_field_assignment): Fail if the
8544 bit lengths of an extract operation are out of range.
8545 (make_extraction): Compute wanted_inner_mode based on the position
8546 and length of the extraction. Make it extraction_mode for non-constant
8547 positions, and do not modify offset in that case. When generating a
8548 new MEM, use a mode that can hold the extraction while keeping correct
8549 alignment. Remove code that supported MEMs wrapped by USEs.
8550 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8552 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8554 * config/s390/s390.md ("Y", "y"): New mode attribute.
8555 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8556 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8557 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8558 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8559 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8560 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8561 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8562 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8563 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8564 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8565 "addsi3", "subsi3"): Insn patterns removed.
8566 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8567 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8568 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8569 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8570 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8571 "*sub<mode>3_cconly2"): New insn patterns.
8572 ("addsi3", "subsi3"): New expanders.
8574 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8576 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8577 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8578 existing STMT_VINFO_VECTYPE if available.
8579 (vect_mark_relevant): Add special handling for stmts that are
8580 marked as STMT_VINFO_IN_PATTERN_P.
8581 (vect_analyze_loop): Call vect_pattern_recog.
8582 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8583 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8585 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8586 (vect_recog_func_ptr): New function-pointer type.
8587 * tree-vect-patterns.c: New file.
8588 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8589 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8590 (vect_pattern_recog_1): New functions.
8591 (vect_pattern_recog_funcs): New array of function pointers.
8593 * tree-vectorizer.h (ternary_op): New enum value.
8594 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8595 declaration. Revised documentation. Removed redundant dump prints.
8596 Removed redundant argument. Added support for reduction patterns.
8597 (vectorizable_reduction): Added support for reduction patterns.
8598 (vect_transform_stmt): Added support for patterns.
8600 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8601 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8602 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8603 (expand_widen_pattern_expr): New function.
8604 (init_optabs): Initialize new optabs udot_prod_optab,
8606 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8607 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8608 (expand_widen_pattern_expr): New function declaration.
8609 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8611 * tree-inline.c (estimate_num_insns_1): Added cases for new
8612 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8613 * tree-pretty-print.c (dump_generic_node): Likewise.
8614 (op_prio): Likewise.
8615 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8616 * tree-ssa-operands.c (get_expr_operands): Added case for
8618 * tree-vect-patterns.c (widened_name_p): New function.
8619 (vect_recog_dot_prod_pattern): Added function implementation.
8620 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8621 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8622 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8623 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8625 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8626 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8627 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8628 (init_optabs): Initialize new optabs widen_ssum_optab,
8630 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8631 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8632 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8633 use instead of type of def.
8634 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8635 function implementation.
8636 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8637 widen_ssumv8hi): New.
8639 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8642 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8645 * c-decl.c (add_flexible_array_elts_to_size): New function.
8646 (finish_decl): Use it.
8648 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8650 * diagnostic.h: Include options.h.
8651 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8652 dependancies for diagnostic.h.
8653 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8655 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8657 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8658 (ssa_ro_call_cache_valid): Ditto.
8659 * tree-ssa-alias.c (sort_tags_by_id): New function.
8660 (init_transitive_clobber_worklist): Ditto.
8661 (add_to_worklist): Ditto.
8662 (mark_aliases_call_clobbered): Ditto.
8663 (compute_tag_properties): Ditto.
8664 (set_initial_properties): Ditto.
8665 (compute_call_clobbered): Ditto.
8666 (compute_may_aliases): Call compute_call_clobbered and grouping.
8667 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8668 (compute_flow_insensitive_aliasing): Grouping now happens in our
8670 (setup_pointers_and_addressables): Remove clobbering related code.
8671 (add_may_alias): Ditto.
8672 (replace_may_alias): Ditto.
8673 (get_nmt_for): Ditto.
8674 (create_global_var):
8675 (is_escape_site): Return an escape_type enumeration.
8676 * tree-flow-inline.h (is_call_clobbered): Global var does not
8677 imply call clobbered.
8678 (mark_call_clobbered): Take a reason for marking this. Remove
8679 marking of globalness, and cache invalidation.
8680 (clear_call_clobbered): Remove cache invalidation code.
8681 * tree-dfa.c (dump_variable): If details is on, dump the reason
8683 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8685 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8686 (struct var_ann_d): Ditto.
8687 (enum escape_type): New.
8688 (mark_call_clobbered): Adjust prototype.
8689 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8690 are never call clobbered.
8691 Record reasons for escaping.
8692 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8693 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8694 (ssa_ro_call_cache_valid): Ditto.
8695 (clobbered_v_may_defs): Ditto.
8696 (clobbered_vuses): Ditto.
8697 (ro_call_vuses): Ditto.
8698 (clobber_stats): New.
8699 (init_ssa_operands): Zero out clobber stats.
8700 (fini_ssa_operands): Print out clobber stats.
8701 (get_call_expr_operands): Pass callee fndecl to
8703 (add_call_clobber_ops): Remove use of cache.
8704 Add use of PURE_CONST information.
8705 (add_call_read_ops): Remove use of cache.
8706 Add use of static not_read information.
8708 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8710 Introduce TLS descriptors for i386 and x86_64.
8711 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8712 (TARGET_ANY_GNU_TLS): New macro.
8713 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8714 (struct machine_function): Add tls_descriptor_call_expanded_p.
8715 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8716 (ix86_current_function_calls_tls_descriptor): Likewise.
8717 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8718 (override_options): Introduce gnu2 tls dialect.
8719 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8721 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8723 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8724 (ix86_init_machine_status): Initialize new field.
8725 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8726 (ix86_tls_module_base): New.
8727 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8728 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8729 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8730 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8731 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8732 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8733 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8734 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8735 * config/i386/predicates.md (tls_modbase_operand): New.
8736 (tp_or_register_operand): New.
8738 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8740 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8741 (look_for_address_of): Ditto.
8742 (ipa_init): Walk the function decls.
8743 (static_execute): Don't set readonly on FUNCTION_DECL's.
8745 2006-01-18 Roger Sayle <roger@eyesopen.com>
8747 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8748 for shifts where the source and destination registers are different.
8750 2006-01-18 Paul Brook <paul@codesourcery.com>
8752 Merge from csl-arm-branch.
8753 2005-03-14 Julian Brown <julian@codesourcery.com>
8754 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8755 (aeabi_llsl): Likewise.
8756 (ashrdi3): Likewise.
8757 (aeabi_lasr): Likewise.
8758 (lshrdi3): Likewise.
8759 (aeabi_llsr): Likewise.
8760 2005-03-10 Julian Brown <julian@codesourcery.com>
8761 * config.gcc: Disable shared libgcc for SymbianOS.
8762 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8764 2006-01-18 DJ Delorie <dj@redhat.com>
8766 * c-pragma.c (handle_pragma_diagnostic): New.
8767 (init_pragma): Register it.
8768 * doc/extend.texi: Document it.
8770 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8771 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8772 (diagnostic_context): Add classify_diagnostic[].
8773 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8774 as errors if they're overridden to DK_WARNING.
8775 (diagnostic_initialize): Initialize classify_diagnostic[].
8776 (diagnostic_set_kind_override): New.
8777 (diagnostic_report_diagnostic): Check for kind changes.
8778 * opts.c (common_handle_option): Take lang_mask. Update callers.
8780 * common.opt (Werror=): New.
8781 * doc/invoke.texi: Document -Werror=*
8783 2006-01-18 Jeff Law <law@redhat.com>
8785 * tree-vrp.c (test_for_singularity): Correct test for new
8786 min limit. Use operand_equal_p rather than pointer equality
8787 for testing if new min/max values are equal.
8789 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8790 using range information until after propagation and folding.
8792 2006-01-18 Richard Henderson <rth@redhat.com>
8793 Aldy Hernandez <aldyh@redhat.com>
8794 Jakub Jelinek <jakub@redhat.com>
8795 Diego Novillo <dnovillo@redhat.com>
8797 * omp-low.c: New file.
8798 * c-omp.c: New file.
8800 2006-01-18 Richard Henderson <rth@redhat.com>
8801 Jakub Jelinek <jakub@redhat.com>
8802 Diego Novillo <dnovillo@redhat.com>
8804 * doc/invoke.texi: Document -fopenmp.
8805 * tree-dump.h (debug_function): Declare.
8806 * hooks.c (hook_bool_tree_bool_false): New function.
8807 (hook_tree_tree_null): Remove.
8808 (hook_tree_tree_tree_null): New.
8809 * hooks.h: Update to match.
8810 * tree-pretty-print.c (debug_tree_chain): New.
8811 (print_generic_expr): Handle TDF_CHAIN.
8812 (dump_generic_node): Handle BLOCK.
8813 Do not abort with incomplete SWITCH_EXPRs.
8814 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8815 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8816 print space after directive name.
8817 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8818 Handle OMP_MASTER and OMP_ORDERED.
8819 Handle printing of OMP_BODY just in one place, goto
8820 dump_omp_body in the rest of OMP_* nodes that have
8822 Don't handle clause nodes here. Update omp statements to
8823 use dump_omp_clauses.
8824 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8825 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8826 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8827 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8828 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8829 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8830 Adjust output for GOMP_PARALLEL.
8831 (dump_omp_clauses): New.
8832 (print_declaration): Dump DECL_VALUE_EXPR.
8833 (op_symbol_1): Split out of op_symbol.
8834 (dumping_stmts): Remove. Update all users.
8835 * cgraph.c (cgraph_analyze_queue): New.
8836 (cgraph_add_new_function): New.
8837 * cgraph.h (cgraph_analyze_queue): Declare.
8838 (cgraph_add_new_function): Declare.
8839 (cgraph_lower_function): Remove.
8840 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8841 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8842 and TYPE_P nodes in its default clause.
8843 (empty_body_p): New.
8844 (tree_range_check_failed): New.
8846 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8847 OMP_CLAUSE_REDUCTION_MERGE,
8848 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8849 OMP_CLAUSE_PRIVATE_DEBUG,
8850 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8851 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8852 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8853 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8854 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8855 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8856 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8857 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8858 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8859 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8860 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8861 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8862 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8863 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8864 (TREE_RANGE_CHECK): New.
8865 (empty_body_p): Declare.
8866 (enum omp_clause_default_kind): New.
8867 (build_string_literal): Declare.
8868 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8869 (build5_stat, build5): Declare.
8870 * tree-pass.h (TDF_CHAIN): Define.
8871 * tree-pass.h (PROP_gimple_lomp): Define.
8872 (pass_lower_omp): Declare.
8873 * diagnostic.h (debug_tree_chain): Declare.
8874 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8876 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8877 * builtins.c (build_string_literal): Make extern.
8878 * gcc.c (include_spec_function): New.
8879 (static_spec_functions): Add it.
8880 (main): Move load of libgomp.spec ...
8881 (LINK_COMMAND_SPEC): ... here.
8882 (link_gomp_spec): New.
8883 (static_specs): Include it.
8884 (LINK_COMMAND_SPEC): Add link_gomp.
8885 (GOMP_SELF_SPECS): New.
8886 (driver_self_specs): Include it.
8887 (switch_matches): Don't mark inline.
8888 (main): Load libgomp.spec.
8889 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8890 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8891 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8892 * tree-gimple.h (enum omp_parallel): Declare.
8893 (determine_parallel_type): Declare.
8894 (omp_firstprivatize_variable): Declare.
8895 (omp_reduction_init): Declare.
8896 (diagnose_omp_structured_block_errors): Declare.
8897 (struct walk_stmt_info): Add want_return_expr.
8898 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8899 (find_omp_clause): Declare.
8900 (insert_field_into_struct): Declare.
8901 (struct walk_stmt_info): Move from tree-nested.c
8902 (walk_stmts): Declare.
8903 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8905 * cgraphunit.c (cgraph_lower_function): Make static.
8906 (cgraph_finalize_pending_functions): New.
8907 (cgraph_finalize_function): Call it.
8908 (cgraph_finalize_compilation_unit): Likewise.
8909 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8910 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8911 (BT_FN_UINT_UINT): New.
8912 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8913 DEF_FUNCTION_TYPE_VAR_4): Document.
8914 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8915 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8916 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8917 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8918 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8919 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8920 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8921 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8922 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8923 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8924 into separate files.
8925 (DEF_GOMP_BUILTIN): New.
8926 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8927 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8928 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8929 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8930 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8931 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8932 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8933 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8934 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8935 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8936 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8937 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8938 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8939 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8940 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8941 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8942 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8943 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8944 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8945 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8946 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8947 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8948 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8949 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8950 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8951 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8952 * sync-builtins.def: New file, moved from builtins.def.
8953 * omp-builtins.def: New file, moved from builtins.def.
8954 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8955 * gimple-low.c (lower_function_body): Clear data.
8956 (lower_stmt): Do not handle COMPOUND_EXPR.
8957 Remove call to print_node_brief.
8958 * c-tree.h (c_finish_omp_clauses): New prototype.
8959 (C_DECL_THREADPRIVATE_P): Define.
8960 (lookup_name_no_remap, c_omp_remap_private): Remove
8961 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8962 (check_for_loop_decls): Update decl.
8963 (lookup_name_no_remap, c_omp_remap_private): Declare.
8964 (build_indirect_ref, build_modify_expr, pushdecl,
8965 pushdecl_top_level): Move to c-common.h.
8966 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8967 before the switch, but just in the 2 places that need it.
8968 * c-decl.c (diagnose_mismatched_decls): Do not check for
8969 mismatched thread-local attributes when OLDDECL is marked
8970 threadprivate and NEWDECL has no thread-local attributes.
8971 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8972 (c_gimple_diagnostics_recursively): Rename from
8973 c_warn_unused_result_recursively. Invoke
8974 diagnose_omp_structured_block_errors.
8975 (check_for_loop_decls): Return a singular decl found.
8976 * langhooks.c (lhd_omp_predetermined_sharing): Return
8977 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8978 (lhd_omp_firstprivatize_type_sizes): New.
8979 (lhd_omp_assignment): New.
8980 (lhd_omp_predetermined_sharing): New.
8981 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8982 (struct lang_hooks_for_types): Add
8983 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8984 omp_predetermined_sharing, omp_disregard_value_expr,
8985 omp_private_debug_clause, omp_clause_default_ctor,
8986 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8987 (c_finish_omp_clauses): New.
8988 (c_finish_bc_stmt): Diagnose break within omp for.
8989 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8990 (build_unary_op): Return error_mark after reporting
8992 (build_modify_expr): Likewise.
8993 * gimplify.c: Include optabs.h and pointer-set.h.
8994 (enum gimplify_omp_var_data): Declare.
8995 (struct gimplify_omp_ctx): Declare.
8996 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8998 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8999 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9000 (splay_tree_compare_decl_uid): New.
9001 (new_omp_context): New.
9002 (delete_omp_context): New.
9003 (gimple_add_tmp_var): Call omp_add_variable.
9004 (gimplify_bind_expr): Likewise.
9005 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9006 true, disregard DECL_VALUE_EXPR on the decl if any.
9007 (gimplify_expr_in_ctx): New.
9008 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9009 omp_add_variable, omp_notice_variable, omp_is_private
9010 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9011 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9012 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9013 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9014 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9015 gimplify_omp_atomic): New.
9016 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9017 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9018 OMP_CRITICAL and OMP_ATOMIC.
9019 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9020 * c-pragma.h (enum pragma_kind): Add
9021 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9022 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9023 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9024 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9025 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9026 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9027 PRAGMA_OMP_THREADPRIVATE.
9028 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9029 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9030 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9031 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9032 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9033 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9034 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9035 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9036 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9037 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9038 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9039 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9040 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9042 (struct nesting_info): Add field_map,
9043 suppress_expansion, debug_var_chain.
9044 (create_nesting_tree): Initialize them.
9045 (lookup_field_for_decl): Use field_map.
9046 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9047 (convert_local_omp_clauses): New.
9048 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9049 (walk_body): Split out of walk_function.
9050 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9051 (convert_nonlocal_reference): Handle omp statements.
9052 (convert_local_reference): Likewise.
9053 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9054 (unnest_nesting_tree): New.
9055 (lower_nested_functions): Call it.
9056 (insert_field_into_struct): Make extern.
9057 (struct walk_stmt_info): Move to tree-gimple.h.
9058 (walk_stmts): Make extern.
9059 * omp-builtins.def: New file.
9060 * tree-iterator.c (expr_only): Clarify comment.
9061 * c-common.h (pushdecl_top_level, pushdecl,
9062 build_modify_expr, build_indirect_ref,
9063 c_finish_omp_master, c_finish_omp_critical,
9064 c_finish_omp_ordered, c_finish_omp_barrier,
9065 c_finish_omp_atomic, c_finish_omp_flush,
9066 c_finish_omp_for, c_split_parallel_clauses,
9067 omp_clause_default_kind, c_omp_sharing_predetermined,
9068 c_omp_remap_decl): Declare.
9069 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9070 (OBJS-common): Add omp-low.o.
9071 (c-omp.o, omp-low.o): Add.
9072 (gimplify.o): Add dependency on $(OPTABS_H).
9073 (GTFILES): Add omp-low.c.
9074 (gt-stringpool.h): Add.
9075 * tree-cfg.c (set_bb_for_stmt): Do not update the
9076 block-to-labels map if we are currently expanding to RTL.
9077 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9079 Handle IDENTIFIER_NODE.
9080 (tree_verify_flow_info): Do not ICE when emitting error
9081 messages about invalid labels.
9082 (dump_function_to_file): Reset CFUN before emitting the body
9084 (debug_function): New.
9085 * passes.c (init_optimization_passes): Schedule
9087 * langhooks-def.h (lhd_omp_predetermined_sharing,
9088 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9090 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9091 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9092 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9093 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9094 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9095 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9096 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9097 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9098 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9099 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9100 (LANG_HOOK_DECLS): Use them.
9102 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9103 Richard Henderson <rth@redhat.com>
9104 Jakub Jelinek <jakub@redhat.com>
9105 Diego Novillo <dnovillo@redhat.com>
9107 * c-parser.c (pragma_omp_clause): Define.
9108 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9109 (c_parser_compound_statement): Likewise.
9110 (c_parser_statement): Likewise.
9111 (c_parser_pragma): Handle omp pragmas.
9112 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9113 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9114 (c_parser_omp_clause_name, check_no_duplicate_clause,
9115 c_parser_omp_variable_list,
9116 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9117 c_parser_omp_clause_copyprivate,
9118 c_parser_omp_clause_default,
9119 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9120 c_parser_omp_clause_lastprivate,
9121 c_parser_omp_clause_nowait,
9122 c_parser_omp_clause_num_threads,
9123 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9124 c_parser_omp_clause_reduction,
9125 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9126 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9127 c_parser_omp_atomic, c_parser_omp_barrier,
9128 c_parser_omp_critical, c_parser_omp_flush,
9129 c_parser_omp_for_loop, c_parser_omp_for,
9130 c_parser_omp_master, c_parser_omp_ordered,
9131 c_parser_omp_sections_scope, c_parser_omp_sections,
9132 c_parser_omp_parallel, c_parser_omp_single,
9133 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9134 * c-pragma.c (init_pragma): Do omp pragma registration here.
9135 * c.opt (fopenmp): New flag.
9137 2006-01-18 Eric Christopher <echristo@apple.com>
9139 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9140 * config/darwin.h (GOMP_SELF_SPECS): Define.
9142 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9144 * rtl.h: Remove the prototype for reg_alloc.
9146 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9149 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9150 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9151 sjlj and dwarf2 exception handling.
9152 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9153 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9154 * pa/pa.c (function_value): Treat complex and vector types as
9156 (function_arg): Likewise. Only pass scalar floats in the floating
9157 point argument registers.
9158 * pa/t-slibgcc-dwarf-ver: New file.
9159 * pa/t-slibgcc-sjlj-ver: New file.
9160 * pa/t-slibgcc-elf-ver: Delete file.
9162 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9164 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9165 unlikely_test_section_p test.
9167 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9169 * mode-switching.c (optimize_mode_switching): Make it static.
9170 * basic-block.h: Remove the prototype for
9171 optimize_mode_switching.
9173 * modulo-sched.c (sms_schedule): Make it static.
9174 * rtl.h: Remove the prototype for sms_schedule.
9176 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9177 * rtl.h: Remove the prototype for gcse_after_reload_main.
9179 * reg-stack.c (reg_to_stack): Make it static.
9180 * rtl.h: Remove the prototype for reg_to_stack.
9182 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9184 * rtl.h: Remove the prototypes for regrename_optimize and
9185 copyprop_hardreg_forward.
9187 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9189 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9190 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9191 Test against the appropriate null constant for the mode.
9192 If 'fixup_overlap' is true, swap the operands if they overlap.
9193 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9194 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9195 alpha_split_tmode_pair and adjust for above change.
9196 * config/alpha/alpha.md (movtf_internal): Adjust call to
9197 alpha_split_tfmode_pair and rely on it to swap the operands.
9198 (movti_internal): New insn and post-reload splitter.
9199 (movti): New expander.
9201 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9203 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9206 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9208 * rtlanal.c (global_reg_mentioned_p_1,
9209 global_reg_mentioned_p): Remove.
9210 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9212 * flow.c (initialize_uninitialized_subregs): Make it static.
9213 * rtl.h: Remove the prototype for
9214 initialize_uninitialized_subregs.
9216 * function.c (instantiate_virtual_regs): Make it static.
9217 * function.h: Remove the prototype for
9218 instantiate_virtual_regs.
9220 * regmove.c (regmove_optimize, combine_stack_adjustments):
9222 * rtl.h: Remove the prototypes for regmove_optimize and
9223 combine_stack_adjustments.
9225 2006-01-17 Roger Sayle <roger@eyesopen.com>
9227 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9228 (size_cost): Encode costs in bytes so that a reg-reg addition is
9229 equivalent to COSTS_N_INSNS(1).
9230 (override_options): Use the size_cost.branch_cost as the default
9231 ix86_branch_cost when optimizing for size.
9233 2006-01-18 Ben Elliston <bje@au.ibm.com>
9235 * Makefile.in (D32PBIT_FUNCS): New.
9236 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9237 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9238 D64PBIT_FUNCS and D128PBIT_FUNCS.
9239 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9240 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9242 (decnumber_dep): Define.
9243 * doc/libgcc.texi (Decimal float library routines): New node.
9244 * config/dfp-bit.h, config/dfp-bit.c: New files.
9246 2006-01-18 Ben Elliston <bje@au.ibm.com>
9248 * expr.c (emit_move_change_mode): Always adjust addresses, not
9249 just during reload. Copy replacements only during reload.
9250 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9251 emit_move_via_integer.
9253 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9255 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9256 instead of $(srcdir) and ${srcdir}.
9258 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9262 * arm.h (struct machine_function): Add pic_reg.
9263 * arm.c (arm_pic_register): Make unsigned.
9264 (arm_override_options): Only set arm_pic_register if
9265 TARGET_SINGLE_PIC_BASE.
9266 (use_return_insn): Only test for a pic register if it is fixed.
9267 (arm_compute_save_reg0_reg12_mask): Likewise.
9268 (thumb_compute_save_reg_mask): Likewise.
9269 (legitimate_pic_operand): Factor out some known invariants.
9270 (legitimize_pic_address): If we don't have a fixed pic register,
9271 then set up a pseudo in the function entry sequence. Handle the
9272 pic base being in a pseudo.
9273 (arm_load_pic_register): Handle the pic register being in a pseudo.
9274 (arm_expand_prologue): Only set up the pic register if it is fixed.
9275 (thumb_expand_prologue): Likewise.
9276 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9277 (pic_load_addr_based_insn): Likewise.
9278 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9281 2006-01-18 Ben Elliston <bje@au.ibm.com>
9283 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9284 decimal float modes for all floating point registers.
9286 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9287 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9289 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9292 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9293 even when the pointer is not NULL.
9295 2006-01-16 Ian Lance Taylor <ian@airs.com>
9297 * common.opt (ftoplevel-reorder): New option.
9298 * cgraph.c (cgraph_asm_nodes): New global variable.
9299 (cgraph_asm_last_node): New static variable.
9300 (cgraph_order): New global variable.
9301 (cgraph_create_node): Set new order field.
9302 (cgraph_varpool_node): Likewise.
9303 (decide_is_variable_needed): Return true if not
9304 flag_toplevel_reorder.
9305 (cgraph_add_asm_node): New function.
9306 * cgraph.h (struct cgraph_node): Add order field.
9307 (struct cgraph_varpool_node): Add order field.
9308 (struct cgraph_asm_node): Define.
9309 (cgraph_asm_nodes, cgraph_order): Declare.
9310 (cgraph_add_asm_node): Declare.
9311 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9313 (cgraph_varpool_assemble_pending_decls): Call it.
9314 (cgraph_output_pending_asms): New static function.
9315 (cgraph_finalize_compilation_unit): Call it.
9316 (struct cgraph_order_sort): Define.
9317 (cgraph_output_in_order): New static function.
9318 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9319 !flag_toplevel_reorder case.
9320 * c-parser.c: Include "cgraph.h".
9321 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9323 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9324 than -fno-unit-at-a-time.
9325 * doc/invoke.texi (Option Summary): Mention
9326 -fno-toplevel-reorder.
9327 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9328 -funit-at-a-time documentation.
9330 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9331 Kazu Hirata <kazu@codesourcery.com>
9333 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9335 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9337 * Makefile.in (FUNCTION_H): New. Use it instead of
9338 function.h throughout the file.
9339 * function.h: Include tree.h.
9341 2006-01-17 Ben Elliston <bje@au.ibm.com>
9343 * recog.c: Separate some functions with whitespace.
9345 2006-01-16 Richard Henderson <rth@redhat.com>
9347 Merge from gomp branch:
9348 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9349 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9350 and rename from struct inline_data. Rename callee* to dst*;
9351 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9352 transform_new_cfg, transform_return_to_modify, and
9353 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9355 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9356 (copy_decl_for_dup): Remove.
9357 * tree-inline.c (struct inline_data): Move to header.
9358 (insert_decl_map): Export.
9359 (remap_decl): Update for member name changes. Use copy_decl hook.
9360 Allow for replacement to be a non-decl. Remove dead code.
9361 (remap_type_1): Check for existing mapping.
9362 (remap_type): Export.
9363 (remap_decls): Update for member name changes.
9364 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9365 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9366 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9367 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9368 (tree_function_versioning, build_duplicate_type): Likewise.
9369 (copy_body_r): Likewise. Export.
9370 (copy_decl_for_dup): Split into ...
9371 (copy_decl_for_dup_finish, copy_decl_to_var,
9372 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9373 (replace_ref_tree, inlining_p): Remove.
9375 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9377 * ifcvt.c (if_convert): Make it static.
9378 * rtl.h: Remove the prototype for if_convert.
9380 * local-alloc.c (local_alloc): Make it static.
9381 * rtl.h: Remove the prototype for local_alloc.
9383 * loop.c (loop_optimize): Make it static.
9384 * cfgloop.h: Remove the prototype for loop_optimize.
9387 2006-01-16 DJ Delorie <dj@redhat.com>
9389 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9392 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9394 * pa.md: Disparage copies between general and floating-point registers
9395 in 32-bit move patterns.
9397 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9400 * Makefile.in (check-%): Depend on site.exp instead of
9401 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9404 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9406 * global.c (global_alloc): Make it static.
9407 * rtl.h: Remove the prototype for global_alloc.
9409 2006-01-16 Richard Guenther <rguenther@suse.de>
9411 * tree-ssa-alias.c (struct used_part): Add write_only field.
9412 (get_or_create_used_part_for): Initialize it to true.
9413 (create_overlap_variables_for): Don't create structure variables
9414 for structures that only are written to.
9415 (find_used_portions): Handle MODIFY_EXPR to track whether a
9416 structure is only written to.
9418 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9420 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9422 * basic-block.h: Remove the prototype for
9423 partition_hot_cold_basic_blocks.
9425 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9427 * cppspec.c (lang_specific_spec_functions): Remove.
9428 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9429 * gcc.h (lang_specific_spec_functions): Remove.
9430 * gccspec.c (lang_specific_spec_functions): Remove.
9432 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9434 * combine.c (record_value_for_reg): Invalidate registers
9436 (record_dead_and_set_regs_1): Likewise, by passing them to
9437 record_value_for_reg.
9438 (record_dead_and_set_regs): Invalidate stores made by a
9439 call. We do not combine across a call, but we still
9440 relied on equivalences.
9442 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9444 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9445 vrp_int_const_binop returning non-constant nodes.
9447 2006-01-16 Paul Brook <paul@codesourcery.com>
9449 * config/m68k/m68k.c (output_move_const_into_data_reg):
9450 Output correct mnemonic for mvz and mvs.
9452 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9454 * rtl-factoring.c: Add sequence abstraction algorithm.
9455 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9456 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9458 (block_has_preserve_label): New function.
9459 * common.opt: Register new pass.
9460 * Makefile.in: Ditto.
9462 * timevar.def: Ditto.
9463 * tree-pass.h: Ditto.
9464 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9465 * rtl.h (make_jump_insn_raw): Add forward decl.
9466 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9468 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9469 Roger Sayle <roger@eyesopen.com>
9471 * fold-const.c (fold_minmax): New static function.
9472 (fold_binary) <MIN_EXPR>: Call it.
9473 <MAX_EXPR>: Likewise.
9474 * stor-layout.c (place_field): Use DECL_SIZE consistently
9475 in the computation of the new record size.
9477 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9479 * cse.c (cse_condition_code_reg): Make it static.
9480 * rtl.h: Remove the prototype for cse_condition_code_reg.
9482 * combine.c (combine_instructions): Make it static.
9483 * rtl.h: Remove the prototype for combine_instructions.
9485 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9488 * tree.c (get_file_function_name_long): Concatenate the first global
9489 object name with a string derived from the input filename of the object
9492 2006-01-16 Ben Elliston <bje@au.ibm.com>
9494 * config/i386/winnt-stubs.c: Update FSF address.
9495 * config/xtensa/ieee754-df.S: Ditto.
9496 * config/xtensa/ieee754-sf.S: Ditto.
9498 2006-01-14 Ian Lance Taylor <ian@airs.com>
9500 * ifcvt.c (noce_init_if_info): New static function, broken out of
9501 noce_process_if_block.
9502 (noce_process_if_block): Call noce_init_if_info.
9503 (check_cond_move_block): New static function.
9504 (cond_move_process_if_block): New static function.
9505 (process_if_block): Call cond_move_process_if_block.
9507 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9509 * cselib.c (hash_table): Rename to cselib_hash_table.
9510 (cselib_clear_table, discard_useless_values,
9511 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9512 cselib_init, cselib_finish): Adjust uses of hash_table.
9514 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9516 PR tree-optimization/25485
9517 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9518 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9519 is known to be false and true, respectively.
9521 2006-01-14 Richard Guenther <rguenther@suse.de>
9523 PR tree-optimization/22548
9524 PR tree-optimization/22555
9525 PR tree-optimization/22501
9526 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9527 * params.def (salias-max-array-elements): New parameter.
9528 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9529 * doc/invoke.texi (salias-max-array-elements): Document.
9530 * tree-flow-inline.h (var_can_have_subvars): We also handle
9532 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9534 * tree-ssa-structalias.c (params.h): Include.
9535 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9536 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9537 (get_constraint_for): For ADDR_EXPR operating on something
9538 containing an ARRAY_REF, add all subvars to the solution.
9539 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9540 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9541 for creating MUST_DEFs.
9542 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9544 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9546 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9548 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9549 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9550 number_of_iterations_le): New functions.
9551 (number_of_iterations_special): Removed.
9552 (number_of_iterations_exit): Do not use number_of_iterations_special.
9553 * tree.c (unsigned_type_for): Always return integer type.
9555 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9556 Richard Guenther <rguenther@suse.de>
9558 PR rtl-optimization/24257
9559 * gcse.c (find_moveable_store): Only consider a store movable
9560 when the SET_SRC of the insn can be assigned to a register.
9562 2006-01-14 Ian Lance Taylor <ian@airs.com>
9564 * tree.c (tree_not_class_check_failed): New function.
9565 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9566 (tree_not_class_check_failed): Declare.
9568 2006-01-13 Ian Lance Taylor <ian@airs.com>
9570 * reload1.c (do_output_reload): Add assertion rejecting a
9573 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9575 * combine.c (struct reg_stat): Add new fields truncation_label and
9577 (record_value_for_reg): Reset truncated_to_mode.
9578 (record_truncated_value): New function.
9579 (check_promoted_subreg): Call it. Rename to check_conversions.
9580 (combine_instructions): Rename check_promoted_subreg to
9582 (reg_truncated_to_mode): New function.
9583 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9584 (gen_lowpart_or_truncate): New function.
9585 (force_to_mode): Use it instead of gen_lowpart.
9587 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9589 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9590 VAR is a tag, not its type tag.
9592 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9594 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9595 alternatives to match style of other entries.
9596 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9598 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9600 PR tree-optimization/25771
9601 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9604 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9607 * tree-inline.c (declare_return_variable): If the return variable
9608 was marked as a non gimple complex, set the return slot variable
9609 to be a non gimple comple variable.
9611 2006-01-13 Richard Guenther <rguenther@suse.de>
9613 * builtins.c (expand_builtin_sincos): New function.
9614 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9616 (expand_builtin): Expand sincos using expand_builtin_sincos.
9618 2006-01-12 DJ Delorie <dj@redhat.com>
9620 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9621 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9622 so that constant shifts can be split.
9623 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9624 (m32c_valid_pointer_mode): Make static.
9625 (shift_gen_func_for): New.
9626 (m32c_prepare_shift): Use it. Split large const shifts into
9628 * config/m32c/predicates.md (shiftcount_operand): Allow more
9630 (longshiftcount_operand): New.
9631 * doc/md.texi (Machine Constraints): Document In6.
9633 2006-01-13 Ben Elliston <bje@au.ibm.com>
9635 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9636 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9639 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9641 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9642 to try to avoid clobbering pieces of structures when we know
9643 something about the whole structure.
9644 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9646 2006-01-13 Ben Elliston <bje@au.ibm.com>
9648 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9649 return in memory, as this is no limitation is no longer present.
9651 2006-01-12 DJ Delorie <dj@redhat.com>
9653 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9654 mova with fb, and for fb+0 -> An.
9656 * config/m32c/mov.md (peephole2): Fix enabling logic.
9658 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9659 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9660 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9661 FINI_ARRAY_SECTION_ASM_OP): Define.
9663 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9665 (m32c_legitimize_reload_address): New logic to reload FB to An.
9666 (m32c_output_reg_push): Add newline.
9667 (m32c_output_reg_pop): Likewise.
9669 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9671 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9673 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9675 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9677 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9679 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9682 2006-01-11 Ben Elliston <bje@au.ibm.com>
9684 * rtlanal.c (find_reg_note): Assert insn is not null.
9686 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9688 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9691 2006-01-11 Jeff Law <law@redhat.com>
9693 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9695 (mark_threaded_blocks, register_jump_thread): New functions.
9696 (thread_through_all_blocks): Remove unwanted argument. No
9697 longer rely on e->aux to communicate thread target info.
9698 Call mark_threaded_blocks. Release the threaded_blocks
9699 bitmap and threaded_edges vector when complete.
9700 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9701 (threaded_blocks): Remove.
9702 (tree_ssa_dominator_optimize): Remove initialization and
9703 finalization of threaded_blocks. Simplify call to
9704 thread_through_all_blocks.
9705 (thread_across_edge): Call register_jump_thread rather than
9706 storing thread information into e->aux.
9707 (free_all_edge_infos): Simplify now that e->aux is no longer
9708 used to communicate with thread_through_all_blocks.
9709 * tree-flow.h (thread_through_all_blocks): Update prototype.
9710 (register_jump_thread): Prototype.
9712 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9714 * df-core.c (df_compact_blocks, df_bb_replace): Use
9715 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9717 2006-01-11 Richard Guenther <rguenther@suse.de>
9719 PR tree-optimization/25734
9720 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9721 stop propagation after successful propagation to the LHS.
9723 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9725 * basic-block.h (control_flow_graph): Change the type of
9726 x_basic_block_info to VEC(basic_block,gc) *.
9727 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9729 (SET_BASIC_BLOCK): New.
9730 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9731 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9732 * cfgbuild.c (find_basic_blocks): Likewise.
9733 * cfglayout.c (fixup_reorder_chain): Likewise.
9734 * cfgrtl.c (create_basic_block_structure,
9735 rtl_create_basic_block): Likewise.
9736 * ifcvt.c (find_if_case_1): Likewise.
9737 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9740 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9742 * Makefile.in: Removed rotted odf.c entry.
9744 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9747 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9748 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9749 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9750 output pattern modifier, not %e.
9751 * config/cris/cris.c (cris_op_str): Update comment about pattern
9753 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9754 before falling through into...
9755 <case 'E'>: Redefined from old 'e' case.
9757 2006-01-11 Jan Hubicka <jh@suse.cz>
9760 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9762 2006-01-11 Jan Hubicka <jh@suse.cz>
9764 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9765 * i386.c (x86_decompose_lea): Kill.
9766 (ix86_rtx_costs): Kill.
9768 2006-01-11 Jan Hubicka <jh@suse.cz>
9770 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9771 * cgraph.h (cgraph_node): Add inline_decl.
9772 (cgraph_insert_node_to_hashtable): Declare.
9773 (save_inline_function_body): Declare.
9774 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9776 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9777 (cgraph_function_versioning): Update call of tree_function_versioning.
9778 (save_inline_function_body): New function.
9779 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9780 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9781 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9782 (cgraph_default_inline_p): Likewise.
9783 (cgraph_decide_inlining_incrementally): Likewise.
9784 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9785 (copy_bb): Kill saving; do updating of clones.
9786 (copy_cfg_body): Kill saving.
9787 (initialize_inlined-parameters): Likewise.
9788 (expand_call_inline): Likewise.
9790 (tree_function_versioning): New parameter "update_clones".
9791 (inlining_p): Kill saving.
9792 * tree-inline.h (tree_function_versioning): Update prototype.
9793 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9796 2006-01-11 Ian Lance Taylor <ian@airs.com>
9798 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9799 Allow undoing set of machine mode.
9800 (do_SUBST): Use enums instead of is_int.
9801 (do_SUBST_MODE): New function.
9802 (SUBST_MODE): New macro.
9803 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9804 reg and trying to replace reg_regno_rtx with a new register.
9805 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9806 (simplify_set): Use SUBST_MODE.
9807 (distribute_notes): Remove code that tried to update reg notes
9808 for regno_reg_rtx changes.
9810 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9812 PR tree-optimization/23109
9813 PR tree-optimization/23948
9814 PR tree-optimization/24123
9816 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9817 * tree-cfg.c (single_noncomplex_succ): New.
9818 * tree-flow.h (single_noncomplex_succ): Declare it.
9819 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9820 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9821 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9822 insert_bb, register_division_in, insert_reciprocals,
9823 replace_reciprocal, free_bb): New.
9824 (execute_cse_reciprocals_1): Rewritten.
9825 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9826 Do not commit any edge insertion. Always compute dominators and
9827 create the allocation pool.
9828 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9829 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9830 * targhooks.c (default_min_divistions_for_recip_mul): New.
9831 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9832 * passes.c (init_optimization_passes): Run recip after tree loop
9834 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9836 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9837 Kenneth Zadeck <zadeck@naturalbridge.com>
9839 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9840 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9841 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9842 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9843 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9844 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9845 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9846 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9847 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9848 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9849 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9850 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9851 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9852 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9853 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9854 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9855 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9856 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9857 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9858 DF_SCAN_POST_ALLOC): New macros.
9859 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9860 df_free_bb_function, df_local_compute_function, df_init_function,
9861 df_dataflow_function, df_confluence_function_0,
9862 df_confluence_function_n, df_transfer_function,
9863 df_finalizer_function, df_free_function, df_dump_problem_function,
9864 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9865 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9866 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9867 df_urec_bb_info, ) New types.
9868 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9870 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9871 df_analyze_simple_change_some_blocks,
9872 df_analyze_simple_change_one_block, df_compact_blocks,
9873 df_bb_replace, df_bb_regno_last_use_find,
9874 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9875 df_insn_regno_def_p, df_find_def, df_find_use,
9876 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9877 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9878 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9879 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9880 debug_df_chain, df_get_dependent_problem, df_chain_create,
9881 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9882 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9883 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9884 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9885 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9886 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9887 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9888 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9889 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9890 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9891 df_reorganize_refs, df_set_state, df_hard_reg_init,
9892 df_read_modify_subreg_p) New public functions.
9893 * df-core.c: The core dataflow solver and glue routines for rtl
9895 (df_init, df_add_problem, df_set_blocks, df_finish,
9896 df_hybrid_search_forward, df_hybrid_search_backward,
9897 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9898 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9899 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9900 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9901 df_reg_defined, df_find_use, df_reg_used, df_dump,
9902 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9903 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9904 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9905 debug_df_useno, reset_df_after_reload): New functions.
9906 * df-scan.c: The scanning fuctions, once in df.c, completely
9907 rewritten so that they now fully model the functionality of
9908 register usage at the backend.
9909 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9910 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9911 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9912 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9913 df_get_artificial_defs, df_get_artificial_uses,
9914 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9915 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9916 df_refs_delete, df_reorganize_refs, df_set_state,
9917 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9918 df_def_record_1, df_defs_record, df_uses_record,
9919 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9920 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9921 df_record_exit_block_uses, df_hard_reg_init): New functions.
9923 * df-problems.c: Seven concrete dataflow problems that use the
9924 scanning in df-scan.c and are solved by the engine in df-core.c.
9925 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9926 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9927 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9928 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9929 df_ru_free_bb_info, df_ru_alloc,
9930 df_ru_bb_local_compute_process_def,
9931 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9932 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9933 df_ru_transfer_function, df_ru_free, df_ru_dump,
9934 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9935 df_rd_free_bb_info, df_rd_alloc,
9936 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9937 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9938 df_rd_transfer_function, df_rd_free, df_rd_dump,
9939 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9940 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9941 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9942 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9943 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9944 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9945 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9946 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9947 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9948 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9949 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9950 df_urec_mark_reg_use_for_earlyclobber,
9951 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9952 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9953 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9954 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9955 df_chain_create_bb_process_use, df_chain_create_bb,
9956 df_chain_finalize, df_chain_free, df_chains_dump,
9957 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9958 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9959 df_reg_lifetime): New functions.
9960 * df.c: Deleted file.
9961 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9962 consistent with new df api.
9963 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9964 rest_of_handle_sms): Ditto.
9965 * web.c (unionfind_union, union_defs, entry_register, web_main):
9967 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9968 invariant_expr_equal_p, find_defs, check_dependencies,
9969 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9970 free_inv_motion_data, move_loop_invariants): Ditto.
9971 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9972 Update dependencies.
9973 (odf.c): Added defective entry that was deleted later in day.
9974 * sched-deps.c (sched_analyze_1): Ditto.
9976 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9978 * tree-ssa-operands.c (get_expr_operands): Record addressable
9979 variables directly. Do not call add_stmt_operands for CONST_DECLs
9981 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9982 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9984 2006-01-11 Ben Elliston <bje@au.ibm.com>
9986 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9987 function returns true in the positive case.
9989 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9992 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9993 for SI, DI, SF and DF modes. Add alternatives to copy between
9994 general and floating point registers to the 32-bit patterns.
9995 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9996 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9997 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9998 generating 64-bit code.
9999 * config/pa/pa.c (output_move_double): Handle copies between general
10000 and floating registers.
10002 2006-01-10 Stuart Hastings <stuart@apple.com>
10004 * config/i386/i386.md (set_got): Update.
10005 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10006 (builtin_setjmp_receiver): Mach-O support.
10007 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10008 (GOT_SYMBOL_NAME): Define.
10009 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10010 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10011 * config/i386/i386.c (override_options): Revise for Darwin.
10012 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10013 support. (darwin_x86_file_end): New. (output_set_got): Add label
10014 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10015 * config/i386/i386-protos.h (output_set_got): Likewise.
10016 * config/darwin.c (machopic_legitimize_pic_address): Update
10019 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10021 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10022 when MODE isn't BLKmode.
10024 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10026 PR rtl-optimization/25367
10027 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10029 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10032 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10033 for a negative bound.
10035 2006-01-10 Richard Guenther <rguenther@suse.de>
10037 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10038 Never override with anything constraint.
10040 2006-01-10 Jan Beulich <jbeulich@novell.com>
10042 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10043 256 bits when optimize_size.
10045 2006-01-10 Jan Beulich <jbeulich@novell.com>
10047 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10049 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10050 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10053 2006-01-10 Ben Elliston <bje@au.ibm.com>
10055 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10057 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10058 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10059 (USE_FP_FOR_ARG): Reject decimal float modes.
10060 (function_arg_advance): Likewise.
10061 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10062 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10063 point types in AltiVec vectors.
10064 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10065 (rs6000_libcall_value): Likewise.
10067 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10069 * config/xtensa/ieee754-df.S: New file.
10070 * config/xtensa/ieee754-sf.S: New file.
10071 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10072 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10073 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10075 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10077 * config/sh/predicates.md (binary_float_operator,
10078 binary_logical_operator, commutative_float_operator,
10079 equality_comparison_operator, greater_comparison_operator,
10080 less_comparison_operator, logical_operator,
10081 noncommutative_float_operator, shift_operator,
10082 symbol_ref_operand, unary_float_operator): Remove redundant
10085 2006-01-09 Jeff Law <law@redhat.com>
10087 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10088 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10089 now unused arguments. Callers updated.
10090 (eliminate_redundant_computations): Remove now unused arguments,
10092 (local_fold): Remove, no longer used.
10093 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10095 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10096 (simplify_cond): New function.
10097 (forward_propagate_into_cond): Call simplify_cond.
10099 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10101 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10102 (*vec_extractv2di_1_sse): New.
10104 2006-01-09 Ben Elliston <bje@au.ibm.com>
10106 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10108 2006-01-08 Richard Guenther <rguenther@suse.de>
10110 * tree-ssa-structalias.c (get_constraint_for): Remove
10111 anyoffset argument.
10112 (get_constraint_for_component_ref): Likewise.
10113 (do_deref): Likewise.
10114 (get_constraint_for): Likewise.
10115 (do_structure_copy): Likewise.
10116 (handle_ptr_arith): Likewise.
10117 (find_func_aliases): Likewise. Remove unused need_anyoffset
10120 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10121 Kaz Kojima <kkojima@gcc.gnu.org>
10123 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10124 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10125 (EXTRA_CONSTRAINT_C16): Remove.
10126 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10127 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10128 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10129 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10130 constants of SHmedia. Handle nested constant expressions of
10132 (andcosts): Fix the costs for SHmedia constants.
10133 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10134 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10135 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10136 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10137 (movv4hi_i, movv2si_i): Likewise.
10138 (movsi_const): Adjust the second operand of ior so to match with
10139 the Csu constraint.
10140 (movdi_const, movdi_const_32bit): Likewise.
10141 (movdi_const_16bit+1): Don't sign-extend LOW.
10142 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10144 (*double_shori): Fix the split condition. Use GEN_INT instead
10145 of get_int_mode calls. Mask lower 16-bit of the argument of
10147 (sym2GOTPLT): Remove.
10148 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10150 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10151 instead of EXTRA_CONSTRAINT_C16.
10153 2006-01-07 Ian Lance Taylor <ian@airs.com>
10154 David Edelsohn <edelsohn@gnu.org>
10156 PR rtl-optimization/25662
10157 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10158 for constant operands instead of simplify_gen_binary.
10159 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10160 after trying simplify_binary_operation
10162 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10164 * tree.c (iterative_hash_expr): Hash decls based on UID.
10166 2006-01-06 Eric Christopher <echristo@apple.com>
10168 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10169 (TARGET_UNWIND_EMIT): Fix spelling.
10170 * target.h (gcc_target): Add except_table_label.
10171 * except.c (output_function_exception_table): Use.
10172 * varasm.c (default_emit_except_table_label): New.
10173 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10175 (asm_out): Add here.
10176 * output.h (default_emit_except_table_label): Prototype.
10177 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10178 * config/darwin.c (darwin_emit_except_table_label): Define.
10179 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10181 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10183 PR tree-optimization/18527
10184 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10185 number_of_iterations_special, number_of_iterations_exit):
10186 Move base and step of an iv to a single structure. Add
10187 no_overflow flag, and use it in # of iterations analysis.
10188 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10189 folded_casts argument.
10190 (simple_iv): Pass base and step in a structure. Set no_overflow
10192 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10193 Evaluate expensiveness of computing # of iterations instead of
10194 the final expression.
10195 * tree-scalar-evolution.h (affine_iv): New structure.
10196 (simple_iv): Declaration changed.
10197 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10198 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10199 find_givs_in_stmt): Changed due to simple_iv change.
10201 2006-01-06 Jeff Law <law@redhat.com>
10204 * tree-cfg.c (bsi_replace): Rename final argument from
10205 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10206 change (stmt -> orig_stmt).
10207 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10208 (bsi_remove): Add new argument. Remove EH information
10210 (verify_eh_throw_table_statements): New function.
10211 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10213 * tree-optimize.c (execute_free_cfg_annotations): Verify
10214 the EH throw statement table after removing annotations.
10215 * except.h (verify_eh_throw_table_statements): Prototype.
10216 * tree-flow.h (bsi_remove): Update prototype.
10217 * tree-vrp.c (remove_range_assertions): Add new argument to
10219 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10220 * tree-complex.c (expand_complex_div_wide): Likewise.
10221 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10222 * tree-tailcall.c (eliminate_tailcall): Likewise.
10223 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10224 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10225 * tree-nrv.c (tree_nrv): Likewise.
10226 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10227 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10228 (combine_blocks): Likewise.
10229 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10230 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10231 (cleanup_control_flow): Likewise.
10232 (remove_forwarder_block): Likewise.
10233 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10234 * tree-sra.c (sra_replace): Likewise.
10235 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10236 (forward_propagate_single_use_vars): Likewise.
10237 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10238 * tree-inline.c (expand_call_inline): Likewise.
10239 * tree-vect-transform.c (vect_transform_loop): Likewise.
10240 * tree-outof-ssa.c (rewrite_trees): Likewise.
10241 * tree-cfg.c (make_goto_expr_edges): Likewise.
10242 (cleanup_dead_labels): Likewise.
10243 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10244 (bsi_move_before, bsi_move_after): Likewise.
10245 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10246 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10248 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10251 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10253 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10254 on non gimple variables. Also add checks at the top for decls and
10256 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10258 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10259 and IMAGPART_EXPR for creating MUST_DEFs.
10260 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10261 and NAME_MEMORY_TAG separately from the DECLs.
10263 2006-01-06 Richard Guenther <rguenther@suse.de>
10265 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10266 annotation, if necessary.
10267 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10268 redundant calls to update_stmt.
10269 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10272 2006-01-05 Richard Henderson <rth@redhat.com>
10274 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10276 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10278 * c-typeck.c: Update copyright date.
10280 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10282 * c-typeck.c (build_c_cast): Always warn when casting
10283 from a pointer to an integer of different size, even if
10284 the node was constant.
10286 2006-01-05 Richard Guenther <rguenther@suse.de>
10288 PR tree-optimization/22555
10289 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10290 if one structure field is an array.
10291 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10292 operands even if we found a subvar, but ignore VOPs in this
10294 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10296 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10298 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10300 PR middle-end/24998
10301 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10303 2006-01-05 Richard Guenther <rguenther@suse.de>
10304 Diego Novillo <dnovillo@redhat.com>
10306 * tree-pass.h (TODO_remove_unused_locals): Define.
10307 * gimple-low.c (expand_var_p, remove_useless_vars,
10308 pass_remove_useless_vars): Remove. Update all users.
10309 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10310 (remove_unused_locals): New function.
10311 * tree-flow.h (remove_unused_locals): Declare.
10312 * passes.c (execute_todo): Call remove_unused_locals if
10313 TODO_remove_unused_locals is set.
10314 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10315 * tree-ssa-dce.c (pass_dce): Likewise.
10316 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10318 2006-01-05 Richard Guenther <rguenther@suse.de>
10320 * tree-flow.h (struct fieldoff): Decompose field to
10321 type, size and decl.
10322 * tree-ssa-alias.c (create_sft): Take type as parameter.
10323 (create_overlap_variables_for): Store type, size and decl
10324 in the fieldoff structure.
10325 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10326 of struct fieldoff.
10327 (push_fields_onto_fieldstack): Likewise.
10328 (create_variable_info_for): Likewise. Use offset for the
10329 SFT name if the decl is not available.
10331 2006-01-04 Paul Brook <paul@codesourcery.com>
10333 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10335 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10337 * lambda-code.c (can_put_in_inner_loop): Relax
10339 (can_put_after_inner_loop): New function.
10340 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10341 (perfect_nestify): Change to make copies and modify uses.
10343 2006-01-04 Richard Henderson <rth@redhat.com>
10345 Merge from gomp branch:
10346 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10347 via integer constant.
10348 (pragma_lex): Remove.
10349 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10350 rather than parsing it.
10351 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10352 handle_pragma_extern_prefix): Add %< %> quotes.
10353 (registered_pragmas): New.
10354 (c_register_pragma_1): New.
10355 (c_register_pragma): Use it.
10356 (c_register_pragma_with_expansion): Likewise.
10357 (c_invoke_pragma_handler): New.
10358 (init_pragma): Use cpp_register_deferred_pragma directly for
10360 * c-pragma.h (enum pragma_kind): New.
10361 (pragma_handler): New.
10362 (c_invoke_pragma_handler): Declare.
10363 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10365 * c-common.h (c_common_pch_pragma): Update decl.
10366 * Makefile.in (c-parser.o): Update dependencies.
10367 (GTFILES): Add c-pragma.h.
10368 * c-parser.c (struct c_token): Add pragma_kind.
10369 (struct c_parser): Add in_pragma.
10370 (c_lex_one_token): Always initialize keyword and pragma_kind.
10371 Extract data for CPP_PRAGMA.
10372 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10373 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10374 Don't allow CPP_PRAGMA_EOL if in_pragma.
10375 (c_parser_consume_pragma): New.
10376 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10377 (c_parser_skip_to_end_of_parameter): Likewise.
10378 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10379 (c_parser_skip_to_pragma_eol): New.
10380 (c_parser_external_declaration): Handle CPP_PRAGMA.
10381 (c_parser_compound_statement_nostart): Likewise.
10382 (c_parser_statement_after_labels): Likewise.
10383 (c_parser_pragma): New.
10384 (pragma_lex): Likewise.
10385 (c_parser_pragma_pch_preprocess): New.
10386 (c_parser_new): Merge into ...
10387 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10389 2006-01-04 Jeff Law <law@redhat.com>
10392 * tree-cfg.c (bsi_replace): Remove the original statement
10393 from the EH throw statement table.
10395 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10397 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10398 make the prototype extern "C" and add throw ().
10401 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10402 and pos non-negative and pos + len <= 32.
10403 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10404 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10405 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10408 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10409 as well as sizes not multiple of component size.
10412 * function.c (instantiate_expr): New function.
10413 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10414 walk its DECL_VALUE_EXPR with instantiate_expr.
10416 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10417 DW_OP_deref{,_size} if address isn't going to be added.
10419 2006-01-04 Ben Elliston <bje@au.ibm.com>
10421 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10422 * config/fp-bit.c: Likewise.
10424 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10426 * dominance.c: Add comment about why we use DFS numbering
10429 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10430 Richard Henderson <rth@redhat.com>
10432 Merge from gomp-branch:
10433 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10434 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10436 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10438 PR rtl-optimization/25578
10439 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10440 pass a parameter to simplify_shift_const if changing ASHIFTRT
10443 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10445 * builtins.c (get_builtin_sync_mem): New function.
10446 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10447 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10448 Call get_builtin_sync_mem to generate mem rtx.
10450 2006-01-03 Richard Guenther <rguenther@suse.de>
10453 * stmt.c (add_case_node): Make sure to clear overflow flags
10456 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10458 Merge from gomp-branch.
10459 * config/sparc/sync.md: New file.
10460 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10461 UNSPECV_LDSTUB): New constants.
10462 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10463 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10464 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10467 2006-01-03 Roger Sayle <roger@eyesopen.com>
10469 * combine.c (reg_subword_p): New predicate to test whether the
10470 destination of a set refers to a subword/piece of a register.
10471 (try_combine): Generalize the code to merge the setting of a
10472 pseudo to a constant followed by a set of a subword of that
10473 register to a constant.
10475 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10477 * basic-block.h (control_flow_graph): Change the type of
10478 x_label_to_block_map to VEC(basic_block,gc) *.
10479 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10480 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10482 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10483 VEC(basic_block,heap) *.
10484 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10485 ssa_prop_fini): Adjust the uses of cfg_blocks.
10487 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10489 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10491 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10492 hashing trees instead of a pointer hash.
10493 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10494 compare for MEM_EXPR.
10496 PR rtl-optimization/25130
10497 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10498 when comparing MEMs for GCSE
10500 2006-01-03 Ben Elliston <bje@au.ibm.com>
10502 * targhooks.h (default_decimal_float_supported_p): Declare.
10503 * targhooks.c (default_decimal_float_supported_p): Define.
10504 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10505 `default_decimal_float_supported_p'.
10506 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10508 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10510 * combine.c (apply_distributive_law <SUBREG>): Check
10511 TRULY_NOOP_TRUNCATION.
10513 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10515 * dwarf2out.c (have_switched_text_section): Delete.
10516 (have_multiple_function_sections): New.
10517 (have_location_lists): Make 'bool'.
10518 (add_AT_loc_list): Use 'true' not '1'.
10519 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10520 (output_loc_list): Use have_multiple_function_sections.
10521 (output_ranges): Likewise.
10522 (dwarf2out_begin_function): Set have_multiple_function_sections if
10524 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10525 Check function_section rather than DECL_SECTION_NAME.
10526 (dwarf2out_finish): Use have_multiple_function_sections.
10527 Don't clear have_location_lists.
10529 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10530 Jan Hubicka <jh@suse.cz>
10532 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10533 case of conditional jump jumping to the next instruction.
10534 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10535 cases of conditional jump jumping to the next instruction.
10537 2006-01-02 Jan Hubicka <jh@suse.cz>
10539 * i386.c (*_cost): Add COSTS_N_INSNS.
10540 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10542 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10545 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10547 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10549 * config/arm/arm.c (all_fpus): Fix comment typo.
10550 * config/darwin.c: Likewise.
10551 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10552 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10553 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10555 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10557 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10558 (rs6000_split_compare_and_swapqhi): New.
10559 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10560 (sync_compare_and_swapqhi_internal): New.
10561 * config/rs6000/rs6000-protos.h: Declare.