1 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * fold-const.c (size_binop): Move sanity check for arguments to
5 the beginning of the function.
8 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11 2006-05-11 Richard Guenther <rguenther@suse.de>
14 * fold-const.c (fold_unary): Handle intermediate conversion
15 to a pointer type like intermediate conversion to an integer
16 type in folding of (T1)(T2)var to var.
17 Match the code to the comment in the final conversion for
18 (T1)(T2)var to (T1)var regarding to type precision. Rather
19 than disallow T1 being of pointer type, assert that both T1
20 and var are of pointer type or not. Make sure not to fall
21 over the frontends lazyness wrt array to pointer decay though.
23 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
25 * arm.c (arm_struct_value_rtx): Delete.
26 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
27 (arm_init_cumulative_args): Always initialize nregs to zero.
29 2006-05-10 Richard Guenther <rguenther@suse.de>
31 PR tree-optimization/27532
32 * tree-object-size.c (plus_expr_object_size): Fix typo.
34 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
37 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
38 ashrdi_const, ashrdi3): Use a scratch register.
40 2006-05-10 Richard Guenther <rguenther@suse.de>
42 PR tree-optimization/27302
43 * fold-const.c (operand_equal_p): For two comparisons,
44 try comparison of one comparison code swapped if that yields
47 2006-05-10 Ben Elliston <bje@au.ibm.com>
49 * tree-pretty-print.c (pretty_print_string): No need to handle
50 '\0' as a special character.
52 * tree.h: Include "hashtab.h".
53 (iterative_hash_expr): Use hashval_t in its prototype.
54 * Makefile.in (TREE_H): Add $(HASHTAB_H).
56 2006-05-09 Steve Ellcey <sje@cup.hp.com>
59 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
60 (hppa*64*-*-hpux11*): Ditto.
61 (hppa[12]*-*-hpux11*): Ditto.
63 2006-05-09 David Edelsohn <edelsohn@gnu.org>
66 * config/rs6000/aix41.h (TARGET_64BIT): Define.
68 2006-05-09 Michael Matz <matz@suse.de>
70 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
71 host_extra_gcc_objs and host_xmake_file.
72 (<*-*-linux*>): Don't overwrite host_xmake_file.
73 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
74 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
75 (host_detect_local_cpu): Declare.
76 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
77 * config/i386/i386.c (override_options): Handle -mtune=native
79 * config/i386/x-i386: New file.
80 * config/i386/driver-i386.c: New file.
81 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
84 2006-05-09 Dirk Mueller <dmueller@suse.de>
85 Richard Guenther <rguenther@suse.de>
88 * fold-const.c (fold_read_from_constant_string): Relax check
89 for matching types to matching modes.
91 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
93 PR rtl-optimization/27335
94 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
97 2006-05-08 Chao-ying Fu <fu@mips.com>
98 Richard Sandiford <richard@codesourcery.com>
100 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
101 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
102 * config/mips/mips.md (UNSPEC_SCC): New constant.
103 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
104 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
105 (mips_emit_compare): Use it.
106 (mips_expand_vcondv2sf): New function.
108 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
110 Fix PR tree-optimization/27093
111 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
112 renaming when they become not-used_alone.
114 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
116 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
117 relocation and relocation stubs.
119 2006-05-08 Eric Christopher <echristo@apple.com>
121 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
124 2006-05-08 Jan Hubicka <jh@suse.cz>
127 * cgraphunit.c (decide_is_function_needed): When not optimizing even
128 unused static functions are needed.
130 2006-05-08 Roger Sayle <roger@eyesopen.com>
133 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
134 of a reg_equiv_constant if the result is a legitimate constant.
136 2006-05-08 Uros Bizjak <uros@kss-loka.si>
139 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
140 standard 80387 constants, raise the cost to prevent
141 compress_float_constant() to generate load from memory.
143 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
145 * config/arm/constraints.md (c): Fix a typo.
147 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
150 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
153 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
155 (_mm_mwait): Likewise.
157 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
159 (sse3_monitor): Make it 32bit only.
160 (sse3_monitor64): New. 64bit monitor.
162 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
165 * config/i386/i386.c (classify_argument): Skip fields with invalid
168 2006-05-07 Richard Guenther <rguenther@suse.de>
170 PR tree-optimization/27409
171 * tree-ssa-structalias.c (get_constraint_for_component_ref):
172 Do not try to find zero-sized subvars.
174 2006-05-07 Richard Guenther <rguenther@suse.de>
176 PR tree-optimization/27136
177 * tree-ssa-loop-niter.c (get_val_for): Correct function
178 comment, assert requirements.
179 (loop_niter_by_eval): Stop processing if the iterated
180 value did not simplify.
182 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
184 * opts.c (flag_see): remove its setting at -O3.
186 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
188 * genpeep.c (main): Make insn-peep.c depend on flags.h.
189 * arm/constraints.md: New file.
190 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
191 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
192 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
193 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
194 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
195 (EXTRA_MEMORY_CONSTRAINT): Likewise.
196 * arm.md: Include constraints.md.
197 (thumb_movsi_insn): Use satisfies_constraint_J.
198 (movhi, movqi): Use satisfies_constraint_I.
200 2006-04-29 Anatoly Sokolov <aesok@post.ru>
202 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
203 for atmeg a645 device.
205 2006-05-06 Richard Guenther <rguenther@suse.de>
207 PR tree-optimization/27151
208 * tree-vect-transform.c (vectorizable_condition): Punt on
209 values that have a different type than the condition.
211 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
214 * c-parser.c (c_parser_cast_expression): Only insert casts into
215 hash table if pointer.
216 * function.c (used_types_insert_helper): Rename from
218 (used_types_insert): Call used_types_insert_helper.
219 * function.h (used_types_insert): Accept only one argument.
221 2006-05-05 David Edelsohn <edesohn@gnu.org>
223 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
224 scratch with output modifier.
226 2006-05-04 David Edelsohn <edelsohn@gnu.org>
229 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
230 with output modifier.
232 2006-05-04 Richard Sandiford <richard@codesourcery.com>
235 * config/mips/mips.c (mips_symbolic_address_p): Return true
236 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
237 SYMBOL_GOTTPREL, and SYMBOL_TLS.
239 2006-05-04 Richard Guenther <rguenther@suse.de>
241 PR tree-optimization/14287
242 PR tree-optimization/14844
243 PR tree-optimization/19792
244 PR tree-optimization/21608
245 PR tree-optimization/27090
246 * tree-ssa-pre.c (try_combine_conversion): New function.
247 (compute_avail): After constructing the value-handle
248 expression, use try_combine_conversion to combine NOP_EXPRs
249 with previous value-handle expressions and use the result if it
252 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
254 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
256 2006-05-04 Jan Hubicka <jh@suse.cz>
259 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
261 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
263 * config/bfin/predicates.md (const01_rtx): Tell generator programs
264 that this only matches CONST_INTs. All users changed to VOIDmode
267 * config/bfin/bfin.c: Include "optabs.h".
268 (bfin_rtx_costs): Some costs for vector operations, to allow combine
270 (enum bfin_builtins): Add a number of fractional and vector builtins.
271 (bfin_init_builtins): Likewise.
272 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
273 (safe_vector_operand, bfin_expand_binop_builtin,
274 bfin_expand_unop_builtin): New functions.
275 (bfin_expand_builtin): Handle the new builtins.
276 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
279 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
282 * Makefile.in (OBJS-common): Add see.o.
283 (see.o): Add dependencies.
284 * common.opt (fsee): New flag for the see optimization was added.
285 * opts.c (flag_see): Initialized.
286 * passes.c (init_optimization_passes, pass_see): New pass.
287 * rtl.h (see_main): Declaration as extern.
288 * timevar.def (TV_SEE): New.
289 * tree-pass.h (pass_see): Declaration as extern.
290 * invoke.texi (-fsee): Document.
291 * recog.c (validate_simplify_insn): New function.
292 * recog.h (validate_simplify_insn): Declaration as extern.
293 * df-problems.c (df_chain_dump): Check for NULL.
295 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
296 Daniel Berlin <dberlin@dberlin.org>
298 * cfgrtl.c (insert_insn_bb_end_new): New function.
299 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
301 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
303 * df.h (struct web_entry): Moved from web.c.
304 (union_defs): Declaration as extern.
305 (unionfind_root): Likewise.
306 (unionfind_union): Likewise.
307 * web.c (struct web_entry): Moved to df.h.
308 (unionfind_root): Remove static declaration.
309 (unionfind_union): Likewise.
310 (union_defs): Likewise and generalize to use callback function.
311 (web_main): Update arguments for union_defs function call.
313 2006-05-04 Richard Guenther <rguenther@suse.de>
315 PR tree-optimization/26447
316 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
317 produce SSA_NAME copies before the store stmt to avoid
318 breaking exception handling.
320 2006-05-04 Jakub Jelinek <jakub@redhat.com>
323 * gimplify.c (omp_is_private): If var is shared in some outer context,
324 return false instead of true. Stop searching on parallel context
327 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
330 * coverage.c: Use get_gcov_unsigned_t() instead of
331 unsigned_type_node all over.
333 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
335 PR tree-optimization/27381
336 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
337 maintain the same immediate_use links.
338 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
339 node rather than segfaulting.
341 2006-05-03 Jakub Jelinek <jakub@redhat.com>
344 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
345 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
346 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
348 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
350 Fix PR tree-optimization/26626
351 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
353 * tree-ssa-operands.c (access_can_touch_variable): Allow
354 typecasting through union pointers.
356 2006-05-02 Jakub Jelinek <jakub@redhat.com>
359 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
360 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
361 to find if var will be a global variable even in the nested context.
362 (omp_copy_decl): Only check for global variable at the end, it might
363 be overridden in outer contexts.
364 (scan_sharing_clauses): For global variables don't create a field.
365 (lower_rec_input_clauses): Do nothing for global shared variables.
366 Emit a barrier at the end of ILIST if there were any decls in both
367 firstprivate and lastprivate clauses.
368 (lower_send_clauses): Do nothing for global variables except for
371 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
373 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
374 of the correct signedness is returned.
376 2006-05-02 Jeff Law <law@redhat.com>
378 PR tree-optimization/27364
379 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
380 multiply expressions.
382 2006-05-02 Tom Tromey <tromey@redhat.com>
384 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
386 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
389 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
390 -mthumb -fPIC are used.
392 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
393 Joshua Kinard <kumba@gentoo.org>
396 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
397 with 64-bit pointers.
399 2006-05-02 Paul Brook <paul@codesourcery.com>
401 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
403 (create_fix_barrier): Check that a suitable barrier location is
405 (arm_reorg): Include ftmp->address in allowable range of addresses.
407 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
410 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
413 2006-05-02 Jakub Jelinek <jakub@redhat.com>
416 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
417 around RESULT_DECL for result passed by reference.
418 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
419 * omp-low.c (use_pointer_for_field): Don't look at
420 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
421 (scan_omp_1): Call remap_decl on RESULT_DECLs.
422 (lower_rec_input_clauses): Don't allocate VLA memory for the second
423 time or var for passing by reference for
424 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
425 TREE_ADDRESSABLE variables when passing by reference.
427 * omp-low.c (dump_omp_region): Fix output formatting.
430 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
431 (expand_omp_parallel): Likewise.
432 * tree-cfg.c (move_sese_region_to_fn): Likewise.
435 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
436 on statement list containing also constructors and destructors.
437 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
440 * except.c (duplicate_eh_regions): Fix clearing of
441 cfun->eh->region_array entries.
443 2006-05-01 DJ Delorie <dj@redhat.com>
445 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
447 (gcc_cv_objdump): Likewise.
448 * configure: Regenerated.
450 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
453 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
454 templates for case 3 and 4.
456 2006-05-01 DJ Delorie <dj@redhat.com>
458 * vec.c: Include bconfig.h when appropriate.
459 * Makefile.in (build/vec.o): Adjust dependencies.
460 * mkconfig.sh: Make sure config.h isn't used for build machine
463 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
465 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
467 (mark_phi_for_rewrite): New function.
468 (insert_phi_nodes_for, mark_use_interesting): Call
469 mark_phi_for_rewrite.
470 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
471 (update_ssa): Initialize and free phis_to_rewrite.
473 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
475 PR rtl-optimization/27291
476 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
477 folded to a constant.
479 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
481 PR tree-optimization/27283
482 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
483 not whole # of iteration descriptions.
484 (niter_for_exit): Return just # of iterations. Fail if # of iterations
485 uses abnormal ssa name.
486 (niter_for_single_dom_exit): Ditto.
487 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
488 return just the number of iterations.
490 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
492 PR tree-optimization/27144
493 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
494 (record_estimate): Only record constant upper bound.
495 (infer_loop_bounds_from_undefined): Call
496 compute_estimated_nb_iterations just once.
497 (proved_non_wrapping_p): Renamed to ...
498 (n_of_executions_at_most): ... this. Expect bound to be a constant.
499 (convert_step_widening, scev_probably_wraps_p): Call
500 n_of_executions_at_most instead of proved_non_wrapping_p.
501 (substitute_in_loop_info): Do not replace values in bounds.
502 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
505 2006-05-01 Richard Henderson <rth@redhat.com>
508 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
509 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
512 2006-05-01 Roger Sayle <roger@eyesopen.com>
514 * c-typeck.c (parser_build_binary_op): Don't call the function
515 unsigned_conversion_warning to spot operand/result type overflow.
516 (build_binary_op): Instead, call convert_and_check instead of
517 convert to report the problem when the operands are promoted.
518 * c-common.c (unsigned_conversion_warning): Make static.
519 * c-common.h (unsigned_conversion_warning): Delete prototype.
521 2006-05-01 Richard Guenther <rguenther@suse.de>
523 PR tree-optimization/26726
524 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
526 (find_interesting_uses_address): ... we work around here
527 by folding INDIRECT_REFs in the substituted base.
529 2006-05-01 Diego Novillo <dnovillo@redhat.com>
531 * omp-low.c (dump_omp_region): Add newlines.
533 2006-04-30 Roger Sayle <roger@eyesopen.com>
535 * common.opt (Woverflow): New command line option.
536 * c-common.c (constant_expression_warning): Check warn_overflow.
537 (overflow_waring): Pass OPT_Woverflow to warning.
538 (unsigned_conversion_warning): Likewise.
539 (convert_and_check): Likewise.
540 * doc/invoke.texi: Document new command line option.
542 2006-04-30 David Edelsohn <edelsohn@gnu.org>
544 * config/rs6000/rs6000.c (rs6000_override_options): Enable
545 TARGET_NO_FP_IN_TOC for section anchors.
546 (optimization_options): Enable section anchors for all
547 non-"Objective" languages.
549 2006-04-28 Eric Christopher <echristo@apple.com>
551 * config/darwin-c.c (darwin_ms_struct): Move this
552 (darwin_set_default_type_attributes): and this...
553 * config/darwin.c: ... here.
554 * config/darwin.h (darwin_ms_struct): Declare.
556 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
558 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
560 2006-04-28 Roger Sayle <roger@eyesopen.com>
563 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
564 (push_array_bounds): Delete prototype. Change BOUNDS argument to
565 an unsigned HOST_WIDE_INT.
566 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
568 (really_start_incremental_init): No need to call convert because
569 bitsize_zero_node is already of type bitsizetype.
570 (push_init_level): Extract the value of constructor_index as an
571 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
572 (process_init_element): Likewise.
574 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
576 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
577 value before passing to make_relative_prefix.
579 2006-04-28 Alan Modra <amodra@bigpond.net.au>
582 * builtins.c (expand_builtin_memset): Expand val in original mode.
584 2006-04-27 Eric Christopher <echristo@apple.com>
586 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
588 * config/darwin-c.c (darwin_ms_struct): New.
589 (darwin_pragma_ms_struct): Ditto.
590 (darwin_set_default_type_attributes): Ditto.
591 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
592 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
593 Register ms_struct pragma.
594 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
595 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
596 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
597 darwin_set_default_type_attributes if TARGET_MACHO.
599 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
601 PR tree-optimization/26854
602 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
603 * doc/tree-ssa.texi: Update immuse iterator documentation.
604 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
605 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
606 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
607 first_safe_imm_use, next_safe_imm_use): Remove.
608 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
609 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
610 (move_use_after_head): New. Helper function to sort immuses in a stmt.
611 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
612 (first_imm_use_stmt): New. Get first stmt in an immuse list.
613 (next_imm_use_stmt): New. Get next stmt in an immuse list.
614 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
615 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
616 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
617 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
618 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
619 (perfect_nestify): Use new iterator.
620 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
622 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
623 (next_imm_name): New field in struct immediate_use_iterator_d.
624 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
625 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
626 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
627 * tree-cfg.c (replace_uses_by): Use new iterator.
628 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
629 * tree-ssa-operands.c (correct_use_link): Remove.
630 (finalize_ssa_use_ops): No longer call correct_use_link.
632 2006-04-27 Stuart Hastings <stuart@apple.com>
634 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
635 * config/t-darwin (crt3.o): Use it.
636 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
637 'pmode', use Pmode instead of SImode for SYMBOL_REF.
638 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
639 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
640 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
643 2006-04-27 Roger Sayle <roger@eyesopen.com>
645 * expmed.c (store_fixed_bit_field): If we're not optimizing for
646 size, force the intermediate into a new pseudo rather instead of
647 performing both a bitwise AND and a bitwise IOR in memory.
649 2006-04-27 Richard Guenther <rguenther@suse.de>
651 PR rtl-optimization/26685
652 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
653 this one "max-flow-memory-locations".
655 2006-04-27 Richard Guenther <rguenther@suse.de>
657 PR tree-optimization/25148
658 * tree-vrp.c (compare_values): Remove code dealing with
659 comparisons against type min/max value. Honour overflow
660 and negative constants in code dealing with comparisons
661 of plus and minus expressions.
662 (value_inside_range): Use fold_binary with LE_EXPR and
663 GE_EXPR rather than compare_values.
665 2006-04-27 Dirk Mueller <dmueller@suse.de>
667 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
670 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
672 * basic-block.h (safe_insert_insn_on_edge): Removed.
673 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
675 2006-04-26 David Edelsohn <edelsohn@gnu.org>
676 Paolo Bonzini <bonzini@gnu.org>
679 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
680 (simplify_and_const_int): Same.
682 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
684 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
686 2006-04-26 Jakub Jelinek <jakub@redhat.com>
689 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
690 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
691 cgraph_global_info_ready.
694 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
697 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
698 either decl or init is error_mark_node.
701 * tree-flow.h (struct omp_region): Add sched_kind.
702 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
703 instead of extracting omp for data.
704 (expand_omp_for): Save extracted sched_kind.
706 2006-04-25 Roger Sayle <roger@eyesopen.com>
708 * expmed.c (store_bit_field): Also check whether the bitsize is
709 valid for the machine's "insv" instruction before moving the
710 target into a pseudo for use with the insv.
711 * config/i386/predicates.md (const8_operand): New predicate.
712 * config/i386/i386.md (extv, extzv, insv): Use the new
713 const8_operand predicate where appropriate.
715 2006-04-25 DJ Delorie <dj@redhat.com>
717 * doc/install.texi (Specific): Clarify that this is not a list of
718 supported hosts or targets.
720 2006-04-25 Richard Sandiford <richard@codesourcery.com>
722 PR rtl-optimization/26725
723 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
724 block's BB_DIRTY flag.
726 2006-04-25 Geoffrey Keating <geoffk@apple.com>
728 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
731 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
734 2006-04-25 David Edelsohn <edelsohn@gnu.org>
736 * varasm.c (align_variable): New function.
737 (get_block_for_decl): Apply align_variable to DECL before
738 calculating section information.
739 (assemble_variable): Split out alignment computation.
741 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
743 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
746 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
748 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
749 MODE_PARTIAL_INT mode.
750 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
751 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
753 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
754 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
756 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
758 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
760 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
761 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
762 MACFLAG_IH): Likewise.
763 (movstricthi_1): Renamed from "*movstricthi".
764 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
765 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
766 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
767 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
768 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
769 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
770 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
771 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
772 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
773 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
774 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
775 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
776 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
777 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
778 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
780 * doc/rtl.texi (ss_ashift): Improve wording.
782 2006-04-24 Geoffrey Keating <geoffk@apple.com>
784 * dwarf2out.c (verify_marks_clear): New.
785 (prune_unused_types): Call verify_marks_clear initially, not
788 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
790 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
791 * doc/rtl.texi: Document them.
792 * simplify-rtx.c (simplify_unary_operation,
793 simplify_binary_operation_1): Don't abort when we see them.
795 2006-04-24 Mark Mitchell <mark@codesourcery.com>
798 2006-04-23 Mark Mitchell <mark@codesourcery.com>
799 * configure.ac: Completely disregard languages that are not
801 * configure: Regenerated.
803 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
804 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/27236
807 * tree-inline.c (copy_body_r): Make sure to copy
808 TREE_THIS_VOLATILE flag.
810 2006-04-24 Richard Guenther <rguenther@suse.de>
813 * tree-complex.c (update_parameter_components): Don't handle
814 unused parameters which have no default def.
816 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
817 Richard Guenther <rguenther@suse.de>
819 PR tree-optimization/27218
820 * tree-inline.c (expand_call_inline): Strip useless type
821 conversions for the return slot address.
823 2006-04-24 Richard Guenther <rguenther@suse.de>
825 * cfgloop.h (struct loops): Remove unused field array. Reorder
827 (LOOP_PREFETCH): Remove.
829 2006-04-24 Richard Guenther <rguenther@suse.de>
831 PR tree-optimization/22525
832 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
833 variable, adjust types of generated expressions.
835 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
837 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
838 (tree-vect-patterns.o): Likewise.
840 (cselib.o): Likewise.
841 (loop-doloop.o): Likewise.
842 (regclass.o): Likewise.
843 (reload1.o): Likewise.
844 (explow.o): Replace target.h with $(TARGET_H).
845 (ipa-prop.o): Likewise.
846 (ipa-cp.o): Likewise.
847 (ipa-inline.o): Likewise.
849 (reg-stack.o): Likewise.
851 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
853 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
855 2006-04-23 Mark Mitchell <mark@codesourcery.com>
857 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
859 * configure.ac: Completely disregard languages that are not
861 * configure: Regenerated.
864 * c-common.h (c_build_bitfield_integer_type): Declare.
865 * c-decl.c (c_build_bitfield_integer_type): Move to ...
866 * c-common.c (c_build_bitfield_integer_type): ... here.
868 2006-04-23 Roger Sayle <roger@eyesopen.com>
871 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
872 a SImode SUBREG of a floating point register after no_new_pseudos.
874 2006-04-23 Roger Sayle <roger@eyesopen.com>
876 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
877 identify potentially eliminable registers to additionally catch
878 VIRTUAL_INCOMING_ARGS_REGNUM.
879 (addsi3): Update the conditions on when to use addsi_small_int.
881 2006-04-23 Roger Sayle <roger@eyesopen.com>
884 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
885 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
886 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
888 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
890 * fold-const.c (range_predecessor): Use operand_equal_p
891 as the predicate for equality.
892 (range_successor): Likewise.
894 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
897 * config/soft-fp/op-common.h: Fix a typo.
899 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
902 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
903 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
905 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
907 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
909 * doc/tm.texi: Fix a typo.
911 2006-04-21 Geoffrey Keating <geoffk@apple.com>
913 * dwarf2out.c (struct die_struct): Document that die_sib makes
914 a circular linked list.
915 (FOR_EACH_CHILD): New.
916 (reverse_die_lists): Delete.
917 (reverse_all_dies): Delete.
918 (add_dwarf_attr): Correct documentation.
919 (remove_child_with_prev): New.
920 (remove_child_TAG): Update for change to die_struct, use
921 remove_child_with_prev.
922 (add_child_die): Update for change to die_struct.
923 (splice_child_die): Use remove_child_with_prev and add_child_die.
924 (print_die): Use FOR_EACH_CHILD.
925 (die_checksum): Likewise.
926 (assign_symbol_names): Likewise.
927 (output_location_lists): Likewise.
928 (build_abbrev_table): Likewise.
929 (calc_die_sizes): Likewise.
930 (mark_dies): Likewise.
931 (unmark_dies): Likewise.
932 (unmark_all_dies): Likewise.
933 (output_die): Likewise.
934 (prune_unused_types_mark): Likewise.
935 (prune_unused_types_walk): Likewise.
936 (same_die_p): Update for change to die_struct.
937 (break_out_includes): Likewise.
938 (prune_unused_types_prune): Likewise.
939 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
940 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
942 (dwarf2out_finish): Don't call reverse_all_dies.
944 2006-04-21 Eric Christopher <echristo@apple.com>
946 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
947 in comments and function names.
949 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
952 * c-typeck.c (digest_init): Robustify.
954 * c-typeck.c (pop_init_level): Simplify.
956 2006-04-21 Steve Ellcey <sje@cup.hp.com>
958 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
960 2006-04-21 Paul Brook <paul@codesourcery.com>
962 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
963 hardware floating point.
965 2006-04-21 David Edelsohn <edelsohn@gnu.org>
967 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
970 2006-04-21 Nick Clifton <nickc@redhat.com>
972 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
975 2006-04-21 Alan Modra <amodra@bigpond.net.au>
978 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
979 C++ lang type in traceback table for Objective-C++.
981 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
983 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
985 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
987 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
990 * tree-mudflap.c (mudflap_finish_file): Skip function when there
991 were errors. Remove check for erroneous objects.
993 2006-04-20 Jeff Law <law@redhat.com>
995 PR tree-optimization/26854
996 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
997 checking for zero or one use.
998 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
999 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1000 * tree-ssa-reassoc.c (negate_value): Similarly.
1001 (reassociate_bb): Similarly.
1003 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1005 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1006 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1007 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1009 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1011 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1012 fp regs if the last fp arg doesn't fit in regs.
1014 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1017 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1018 that the last insn has the REG_INC note.
1020 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1021 Nathan Sidwell <nathan@codesourcery.com>
1024 * stor-layout.c (update_alignment_for_field): Do not align
1026 (place_union_field): Place union field at the start of the union.
1027 (place_field): Move ERROR_MARK check later, and use the current
1028 allocation position to maintain monotonicity.
1030 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1032 * dominance.c: Include timevar.h.
1033 (calculate_dominance_info): Use TV_DOMINANCE.
1034 * timevar.def (TV_DOMINANCE): New timevar.
1035 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1037 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1039 PR rtl-optimization/14261
1040 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1041 move would be an INSV insn.
1042 (noce_process_if_block): Don't optimize if the destination is a
1043 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1045 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1047 * config/s390/s390.md: Add comments with the instructions emitted
1048 by an insn pattern if macros are used.
1050 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1052 PR rtl-optimization/26026
1053 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1054 is a known power of two shifted left a variable amount.
1056 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1058 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1059 to hash table twice when the debug_str section has SECTION_MERGE.
1061 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1063 * config/soft-fp: New directory. From glibc.
1064 * config/soft-fp/t-softfp: New.
1065 * config/soft-fp/README: New.
1066 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1067 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1068 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1069 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1070 * config.gcc: Use rs6000/t-fprules-fpbit or
1071 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1073 * config/rs6000/sfp-machine.h: New. Based on glibc.
1074 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1076 * config/rs6000/t-fprules: Remove fp-bit rules.
1077 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1078 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1079 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1080 (softfp_wrap_start, softfp_wrap_end): New.
1082 2006-04-18 DJ Delorie <dj@redhat.com>
1084 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1086 2006-04-18 Devang Patel <dpatel@apple.com>
1088 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1090 2006-04-18 Nick Clifton <nickc@redhat.com>
1092 * config/sh/t-symbian: Add rule to build sh-c.o
1093 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1094 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1095 (sh_symbian_encode_section_info): Likewise.
1097 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1099 * builtins.c (expand_builtin_strcmp): Cover label definition of
1100 do_libcall with HAVE_cmpstrnsi.
1102 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1104 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1106 * function.h (temp_slot_p): New.
1107 (function): Change the type of x_used_temp_slots to
1108 VEC(temp_slot_p,gc) *.
1110 2006-04-18 Nick Clifton <nickc@redhat.com>
1112 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1113 flag_strength_reduce.
1115 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1117 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1121 Partial revert of revision 112637
1122 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1123 Dale Johannesen <dalej@apple.com>
1126 * regclass.c (struct reg_pref): Update documentation.
1127 (regclass): Set prefclass to NO_REGS if memory is the best option.
1128 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1130 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1132 PR tree-optimization/26821
1133 * tree-ssa-math-opts.c (get_constant_one): New.
1134 (insert_reciprocals): Use it.
1136 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1138 * dwarf2out.c (free_AT): Delete.
1139 (remove_AT): Update string ref counts.
1140 (remove_child_TAG): Don't call free_die.
1142 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1143 or DW_TAG_GNU_EINCL.
1144 (prune_unused_types_walk_attribs): Reset string refcounts.
1145 (prune_unused_types_update_strings): New.
1146 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1147 call free_die. Do call prune_unused_types_update_strings.
1148 (prune_unused_types): Empty debug_str_hash.
1150 2006-04-17 Roger Sayle <roger@eyesopen.com>
1152 * expr.c (expand_assignment): Optimize away no-op moves where the
1153 source and destination are equal and have no side-effects.
1155 2006-04-17 Richard Guenther <rguenther@suse.de>
1158 * reload.c (push_reload): Guard calls to get_secondary_mem
1161 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1163 * alias.c (reg_base_value, old_reg_base_value): Change the
1164 type to VEC(rtx,gc) *.
1165 (REG_BASE_VALUE, find_base_value, record_set,
1166 init_alias_analysis): Use VEC instead of VARRAY.
1168 * alias.c (alias_sets): Change the type to
1169 VEC(alias_set_entry,gc) *.
1170 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1171 VEC instead of VARRAY.
1172 (last_alias_set): Remove.
1174 * cgraph.h (cgraph_edge_p): New.
1175 Update the prototype of cgraph_function_versioning.
1176 * cgraphunit.c (cgraph_copy_node_for_versioning,
1177 cgraph_function_versioning): Use VEC instead of VARRAY.
1178 * ipa-cp.c (ipcp_insert_stage): Likewise.
1180 2006-04-16 Roger Sayle <roger@eyesopen.com>
1183 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1184 "A op B" or "A op C", we may need to convert A to the type of B and C.
1186 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1188 * target.h (struct gcc_target): Add mode_rep_extended.
1189 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1190 (init_num_sign_bit_copies_in_rep): Initialize it using
1192 (truncate_to_mode): Use it.
1193 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1194 * targhooks.h (default_mode_rep_extended): Declare it.
1195 * targhooks.c (default_mode_rep_extended): Define it.
1196 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1197 default_mode_rep_extended.
1198 (TARGET_INITIALIZER): Include it.
1199 * doc/tm.texi (Misc): Document it.
1200 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1201 (mips_truncated_to_mode): New function.
1203 2006-04-16 Roger Sayle <roger@eyesopen.com>
1206 * expr.c (compress_float_constant): Copy the narrow constant into
1207 a new pseudo before extending it to its final width.
1209 2006-04-16 Roger Sayle <roger@eyesopen.com>
1210 Andrew Pinski <pinskia@gcc.gnu.org>
1211 Dale Johannesen <dalej@apple.com>
1214 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1215 special case code to implement V8HImode and V16QImode with SSE2.
1217 2006-04-15 Roger Sayle <roger@eyesopen.com>
1219 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1220 trees are constructed with a suitable tree type.
1222 2006-04-15 Roger Sayle <roger@eyesopen.com>
1224 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1225 (integer_onep): Likewise.
1226 (integer_all_onesp): Likewise.
1227 (integer_pow2p): Likewise.
1228 (integer_nonzerop): Likewise.
1229 (real_zerop): Likewise.
1230 (real_onep): Likewise.
1231 (real_twop): Likewise.
1232 (real_minus_onep): Likewise.
1233 (int_size_in_bytes): Likewise.
1234 (host_integerp): Likewise.
1236 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1238 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1239 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1240 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1242 * tree-ssa-structalias.h (alias_info): Remove num_references.
1244 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1246 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1247 (output_bvb patterns): Likewise.
1248 * pa.c (output_bb): Use 'bb' insn for long branch case.
1249 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1250 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1251 1. Correct length operand for alternatives 1 and 2.
1252 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1253 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1255 2006-04-14 Roger Sayle <roger@eyesopen.com>
1257 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1258 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1259 were accidentally reverted by r112959.
1261 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1264 * except.h (eh_region_outermost): New prototype.
1265 * except.c (eh_region_outermost): New function.
1266 * tree-cfg.c (find_outermost_region_in_block): Use it.
1268 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1270 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1272 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1273 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1274 (init_reload, reload): Use VEC instead of VARRAY.
1275 * reload.h: Update the prototype for
1276 reg_equiv_memory_loc_varray.
1278 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1279 Eric Botcazou <ebotcazou@libertysurf.fr>
1281 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1284 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1287 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1288 to expand fallback builtin function call.
1290 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1293 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1294 and emit libcall here in case the builtin fails.
1295 (expand_builtin_strcmp): Always emit the libcall here on failure.
1297 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1299 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1300 * flow.c (reg_n_info): Change the type to
1301 VEC(reg_info_p,heap) *.
1302 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1304 * regs.h (reg_info_p): New.
1305 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1306 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1307 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1310 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1312 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1314 * params.h (MAX_SCHED_READY_INSNS): New macro.
1315 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1316 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1317 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1318 the ready list for 1 cycle during the first scheduling pass.
1319 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1321 2006-04-13 Richard Henderson <rth@redhat.com>
1324 * gimple-low.c (lower_omp_directive): Remove dead code.
1325 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1326 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1327 * omp-low.c (struct omp_region): Move to tree-flow.h.
1328 (root_omp_region): Export.
1329 (omp_regions, lookup_omp_region): Remove.
1330 (determine_parallel_type): Update for struct omp_region changes.
1331 (dump_omp_region): Dump regions with block numbers.
1332 (new_omp_region): Take type and block instead of stmt; malloc
1334 (free_omp_region_1, free_omp_regions): New.
1335 (expand_parallel_call): Take entry_stmt as argument; update for
1336 changes to omp_region.
1337 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1338 (remove_exit_barriers): New.
1339 (expand_omp_parallel): Update for struct omp_region changes.
1340 (expand_omp_synch): Likewise.
1341 (expand_omp): Likewise.
1342 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1343 (expand_omp_for_static_chunk): Likewise.
1344 (expand_omp_for): Likewise.
1345 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1346 (expand_omp_sections): Similarly, with GOMP_sections_end.
1347 (expand_omp_single): New.
1348 (build_omp_regions_1): Update for OMP_CONTINUE.
1349 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1350 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1351 OMP_SECTIONS_SECTIONS.
1352 (lower_omp_single_simple): Don't emit barrier here.
1353 (lower_omp_single_copy): Likewise.
1354 (lower_omp_single): Fix bindings, and lower to straightline now.
1355 (lower_omp_master, lower_omp_ordered): Likewise.
1356 (lower_omp_critical): Likewise.
1357 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1358 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1359 omp edges, free it afterward.
1360 (make_omp_sections_edges): Remove.
1361 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1362 (move_stmt_r): Handle OMP_CONTINUE.
1363 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1364 statement pointers to basic blocks. Add type member.
1365 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1366 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1367 * tree-inline.c (estimate_num_insns_1): Likewise.
1368 * tree-pretty-print.c (dump_generic_node): Likewise.
1369 * tree-ssa-operands.c (get_expr_operands): Likewise.
1370 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1371 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1372 (OMP_CONTINUE): New.
1373 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1374 (OMP_SECTIONS_SECTIONS): Remove.
1375 (OMP_SECTION_LAST): New.
1376 (OMP_RETURN_NOWAIT): New.
1378 2006-04-13 Roger Sayle <roger@eyesopen.com>
1380 * fold-const.c (native_encode_vector, native_interpret_real):
1381 Correct obvious mistakes in the previous check-in.
1383 2006-04-13 Roger Sayle <roger@eyesopen.com>
1385 * fold-const.c (native_encode_expr): New function to encode
1386 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1387 or VECTOR_CST into a specified buffer.
1388 (native_encode_int): New function.
1389 (native_encode_real): New function.
1390 (native_encode_complex): New function.
1391 (native_encode_vector): New function.
1392 (native_interpret_expr): Inverse of native_encode_expr to convert
1393 a target representation into an INTEGER_CST, REAL_CST etc...
1394 (native_interpret_int): New function.
1395 (native_interpret_real): New function.
1396 (native_interpret_complex): New function.
1397 (native_interpret_vector): New function.
1398 (fold_view_convert_expr): New function to constant fold/evaluate
1399 a VIEW_CONVERT_EXPR of a suitable constant expression.
1400 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1401 Change call of build1 to fold_build1 when constructing a
1404 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1405 Ulrich Weigand <uweigand@de.ibm.com>
1408 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1411 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1414 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1415 optimize to lo_sum for DFmode if !TARGET_FPRS.
1417 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1419 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1420 delete_alias_info, compute_flow_sensitive_aliasing,
1421 group_aliases): Use VEC instead of VARRAY.
1422 * tree-ssa-structalias.c (update_alias_info): Likewise.
1423 * tree-ssa-structalias.h (alias_info): Change the type of
1424 processed_ptrs to VEC(tree,heap) *.
1426 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1429 * config/sh/lib1funcs.h: New file, broken out of:
1430 * config/sh/lib1funcs.asm.
1431 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1433 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1434 * config/sh/lib1funcs-Os-4-200.asm: New file.
1435 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1436 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1437 (EXTRA_MULTILIB_PARTS): Include it.
1438 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1439 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1440 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1441 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1444 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1446 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1447 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1448 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1450 * tree-ssa-live.h: Include vecprim.h.
1451 (tree_partition_associator_d): Change the type of
1452 first_partition to VEC(int,heap) *.
1453 (tpa_first_partition): Use VEC instead of VARRAY.
1455 * Makefile.in (GTFILES): Move functions.h after tree.h.
1456 * function.c (reset_block_changes, record_block_change,
1457 check_block_change, free_block_changes): Use VEC instead of
1459 * function.h (function): Change the type of
1460 ib_boundaries_block to VEC(tree,gc) *.
1461 * tree-inline.c (copy_cfg_body): Initialize
1462 ib_boundaries_block to NULL instead of (varray_type) 0.
1464 2006-04-12 Roger Sayle <roger@eyesopen.com>
1466 * expr.c (emit_group_store): Correct operand order in call to
1467 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1468 a SUBREG_BYTE of zero.
1470 2006-04-12 Richard Guenther <rguenther@suse.de>
1472 * profile.c (compute_branch_probabilities): Remove code
1473 encapsulated in !ir_type (), which are remanents of the
1474 removed RTL profiling code.
1475 * rtl-profile.c: Remove.
1477 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1479 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1480 magic NULL_RTX comment.
1481 (function_arg): Store entire fp arg to mem if any part should go
1483 (rs6000_arg_partial_bytes): Adjust for above change.
1485 2006-04-11 Roger Sayle <roger@eyesopen.com>
1487 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1488 if it hasn't been initialized by dwarf2out_init.
1490 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1492 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1493 symbolic constants in branch patterns.
1495 2006-04-11 Roger Sayle <roger@eyesopen.com>
1497 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1499 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1501 PR rtl-optimization/27073
1502 * gcse.c (try_replace_reg): Revert last change. Continue to search
1503 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1506 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1508 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1509 aggregate types other than record and union types.
1510 (function_arg): Likewise.
1511 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1513 (function_value): In 64-bit mode, return objects that require it
1516 2006-04-11 Roger Sayle <roger@eyesopen.com>
1518 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1520 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1522 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1524 2006-04-03 Jeff Law <law@redhat.com>
1527 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1528 alias information too.
1530 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1532 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1534 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1537 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1538 (premark_used_types_helper): New.
1539 (premark_used_types): New.
1540 (gen_subprogram_die): Call premark_used_types.
1541 (prune_unused_types_walk): Do not prune perennial dies.
1542 * function.c (used_types_insert): New.
1543 * function.h (struct function): Add used_types_hash field.
1544 (used_types_insert): Add prototype.
1545 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1546 * c-parser.c (c_parser_cast_expression): Save casted types in used
1549 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1552 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1553 rs6000_explicit_options.float_gprs.
1555 2006-04-10 Roger Sayle <roger@eyesopen.com>
1557 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1558 from ix86_expand_vector_init_low_nonzero. Take an additional
1559 one_var argument indicating which element is non-zero. Support
1560 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1561 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1562 with one_var instead of ix86_expand_vector_init_low_nonzero.
1564 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1566 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1567 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1568 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1569 build/genextract.o): Depend on vecprim.h.
1570 * cfglayout.c, df-problems.c, function.c, genextract.c,
1571 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1572 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1576 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1578 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1579 Declare VECs of this type.
1580 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1581 (remove_children): Delete.
1582 (add_dwarf_attr): Use VEC routines.
1583 (add_AT_flag): Update for changes to add_dwarf_attr.
1584 (add_AT_int): Likewise.
1585 (add_AT_unsigned): Likewise.
1586 (add_AT_long_long): Likewise.
1587 (add_AT_vec): Likewise.
1588 (add_AT_string): Likewise.
1589 (add_AT_die_ref): Likewise.
1590 (add_AT_fde_ref): Likewise.
1591 (add_AT_loc): Likewise.
1592 (add_AT_loc_list): Likewise.
1593 (add_AT_addr): Likewise.
1594 (add_AT_lbl_id): Likewise.
1595 (add_AT_lineptr): Likewise.
1596 (add_AT_macptr): Likewise.
1597 (add_AT_offset): Likewise.
1598 (add_AT_range_list): Likewise.
1599 (get_AT): Use VEC_iterate.
1600 (remove_AT): Use VEC_ordered_remove.
1601 (free_die): Fold remove_children into here; have it use VEC_iterate.
1602 (print_die): Use VEC_iterate on attrs.
1603 (reverse_die_lists): Don't reverse attr lists.
1604 (die_checksum): Use VEC_iterate on attrs.
1605 (same_die_p): Likewise.
1606 (output_location_lists): Likewise.
1607 (build_abbrev_table): Likewise.
1608 (size_of_die): Likewise.
1609 (unmark_all_dies): Likewise.
1610 (output_abbrev_section): Likewise.
1611 (output_die): Likewise.
1612 (prune_unused_types_walk_attribs): Likewise.
1614 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1616 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1618 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1621 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1623 2006-04-09 Roger Sayle <roger@eyesopen.com>
1625 * expr.c (store_constructor): Don't bother clearing target if
1626 we're about to assign a vector to it using vec_init_optab.
1628 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1630 * tree-ssa-alias.c (lhs_may_store_to): New function.
1631 (recalculate_used_alone): Handle LHS of calls.
1633 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1637 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1638 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1639 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1640 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1641 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1642 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1643 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1644 stubs. Add ".align 8" directives before all ".dword" directives.
1645 (GTHREAD_USE_WEAK): Revise comment.
1646 (TARGET_ATTRIBUTE_WEAK): Define.
1647 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1648 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1649 * stublib.c: New file.
1654 * pa.md (cbranch patterns): Revise arguments used in calls to
1655 output_cbranch, output_bb and output_bvd. Add long branch length
1657 (fbranch patterns): Handle long branches.
1658 (jump): Revise length check. Revise arguments for output_lbranch call.
1659 Add long branch length attributes.
1660 (decrement_and_branch_until_zero): Add long branch length attributes.
1661 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1662 Likewise. Revise arguments for output_parallel_addb and
1663 output_parallel_movb calls.
1664 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1665 output_parallel_movb and output_parallel_addb): Update prototypes.
1666 * pa.c (output_cbranch): Revise arguments. Correct handling of
1667 nullification in long branches.
1668 (output_lbranch): Add new argument to control extraction of delay
1670 (output_bb): Handle long branches.
1671 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1672 output_parallel_addb): Likewise.
1674 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1676 PR rtl-optimization/27073
1677 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1680 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1682 * tree.h (tree_memory_tag): Add old_used_alone.
1683 (SMT_OLD_USED_ALONE): New macro.
1684 * tree-ssa-alias.c (recalculate_used_alone): Stop
1685 marking things for renaming unnecessarily.
1687 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1689 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1690 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1691 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1692 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1693 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1694 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1695 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1696 spelling convensions.
1697 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1698 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1699 typos. Follow spelling conventions.
1701 2006-04-07 DJ Delorie <dj@redhat.com>
1703 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1704 passed on the stack.
1705 (m32c_init_cumulative_args): When a function returns a structure,
1706 always pass the pointer to that return area on the stack.
1707 (m32c_function_arg_advance): Don't increment the parameter number
1708 if we're processing the returned structure pointer.
1709 (pushm_info): Reverse order of registers.
1711 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1713 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1714 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1715 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1716 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1718 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1719 chrec_fold_multiply): Same.
1720 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1721 force_expr_to_var_cost): Same.
1722 * tree-mudflap.c (mf_xform_derefs_1): Same.
1723 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1725 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1727 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1728 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1731 2006-04-07 Jan Hubicka <jh@suse.cz>
1733 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1735 2006-04-07 Richard Guenther <rguenther@suse.de>
1737 PR tree-optimization/26135
1738 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1739 loads for store copy-prop.
1740 (copy_prop_visit_stmt): Likewise.
1742 2006-04-05 Robert Millan <robertmh@gnu.org>
1744 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1745 being overriden in config/k*bsd-gnu.h.
1746 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1748 * gcc/config/knetbsd-gnu.h: Ditto.
1750 2006-04-06 Jan Hubicka <jh@suse.cz>
1754 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1757 2006-04-06 Mike Stump <mrs@apple.com>
1759 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1760 for HAVE_nonlocal_goto to be consistent.
1761 (expand_builtin_nonlocal_goto): Likewise.
1762 (expand_builtin_strcmp): Use #ifdef instead of #if
1763 for HAVE_cmpstrnsi to be consistent.
1765 2006-04-05 DJ Delorie <dj@redhat.com>
1767 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1770 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1772 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1773 got-relative addressing for anything but SImode.
1775 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1776 even if the calling function doesn't modify them.
1778 2006-04-05 Richard Guenther <rguenther@suse.de>
1780 PR tree-optimization/26919
1781 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1782 to cgraph_estimate_size_after_inlining.
1784 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1786 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1788 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1790 PR tree-optimization/26996
1791 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1792 VECTOR_TYPE variables.
1794 2006-04-05 Richard Guenther <rguenther@suse.de>
1796 PR tree-optimization/26763
1797 * fold-const.c (fold_comparison): Move folding of
1798 PTR + CST CMP PTR + CST ...
1799 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1801 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1803 * doc/install.texi (Prerequisites): Refine some wording on
1804 bootstrapping and ksh.
1805 Move the version numbers of DejaGnu here from the testing section
1806 and fix casing of names.
1807 Fix markup and clarify wording for autogen requirements.
1808 Refer to GCJ instead of just java.
1809 Refer to SVN instead of CVS.
1810 Describe diffutils as useful instead of necessary.
1811 (Downloading the source): Refer to SVN instead of CVS.
1812 Adjust a link to our web site accordingly.
1813 (Configuration): Fix casing of Bison.
1814 (Building): Refer to SVN instead of CVS.
1815 Fix a sentence on the use of Bison and remove duplicate (and
1816 incorrect) version number of Bison requirement.
1817 Remove one redundant list of packages needed for building.
1818 (Specific): Avoid reference to CVS.
1820 2006-04-04 Eric Christopher <echristo@apple.com>
1822 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1823 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1824 (rs6000_handle_struct_attribute): New.
1825 (rs6000_ms_bitfield_layout_p): Ditto.
1827 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1829 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1830 NULL for dso parameter to atexit_common.
1832 2006-04-04 Eric Christopher <echristo@apple.com>
1834 * config/i386/i386.c (machopic_output_stub): Output \t
1835 between instructions and operands.
1837 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1839 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1840 satisfies_constraint_[IL] to explicit tests on value.
1842 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1844 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1845 set_nb_iterations_in_loop): Use build_int_cst instead of
1847 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1848 build_int_cst instead of convert.
1850 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1852 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1853 new value 2 for incoming.
1854 * function.c (expand_function_start): Call struct_value_rtx
1856 * config/sparc/sparc.md: Comment updated_return.
1857 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1858 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1859 struct return if sparc_std_struct_return and incoming is 2.
1860 (print_operand): Do not adjust return if
1861 sparc_std_struct_return.
1863 2006-04-04 Roger Sayle <roger@eyesopen.com>
1865 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1866 convert in the middle-end.
1867 * expr.c (store_expr, store_constructor, get_inner_reference,
1868 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1870 * tree.c (build_range_type): Likewise.
1872 2006-04-04 Tom Tromey <tromey@redhat.com>
1874 * doc/install.texi (Prerequisites): Mention jar.
1876 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1878 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1881 2006-04-04 Matthias Klose <doko@debian.org>
1883 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1884 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1887 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1889 * doc/extend.texi (Function Attributes): Rewrite visibility
1890 attribute documentation.
1891 * doc/invoke.texi (C++ Dialect Options): Rewrite
1892 -fvisibility-inlines-hidden documentation to describe something
1893 entirely different, although in practise compatible.
1894 (Code Gen Options): Warn about system headers in -fvisibiltity=
1897 * doc/extend.texi (Other Builtins): Document that
1898 __builtin_nan is a compile-time constant only when its argument
1901 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1903 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1904 trying to remove TRUNCATE check if all bits outside the new mode
1905 are identical to the sign bit.
1907 2006-04-03 Jeff Law <law@redhat.com>
1909 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1910 and operand scanning in some common cases.
1912 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1913 Dale Johannesen <dalej@apple.com>
1916 * regclass.c (struct reg_pref): Update documentation.
1917 (regclass): Set prefclass to NO_REGS if memory is the best option.
1918 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1919 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1920 into account. For non-registers, equate an empty preferred
1921 reload class to a `!' in the constraint; move the if clause to
1922 do so after those that reject the insn.
1923 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1925 (find_dummy_reload): Likewise.
1926 * doc/tm.texi (Register Classes): Document what it means
1927 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1928 * config/i386/i386.c (ix86_preferred_reload_class): Force
1929 using SSE registers (and return NO_REGS for floating-point
1930 constants) if math is done with SSE.
1931 (ix86_preferred_output_reload_class): New.
1932 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1933 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1934 * config/i386/i386.md: Remove # register preferences.
1936 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1939 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1940 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1941 the type of nb_iter.
1942 (instantiate_parameters_1): Convert the operands before calling
1943 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1944 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1946 2006-04-02 Roger Sayle <roger@eyesopen.com>
1948 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1949 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1951 * dojump.c (do_jump): Likewise.
1952 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1953 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1954 gimplify_boolean_expr): Likewise.
1955 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1956 * varasm.c (array_size_for_constructor): Likewise.
1957 * tree-object-size.c (compute_object_offset): Likewise.
1959 2006-04-02 Roger Sayle <roger@eyesopen.com>
1962 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1963 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1965 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1967 PR tree-optimization/26939
1968 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1970 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1972 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1973 at_stmt. Convert the type of operands before calling
1974 build_polynomial_chrec.
1975 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1977 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1978 (instantiate_parameters_1): Convert the type of operands before calling
1979 build_polynomial_chrec.
1980 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1981 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1982 reset_evolution_in_loop): Insert asserts to check the types of the
1984 (chrec_type): Moved...
1985 (eq_evolutions_p): Use operand_equal_p.
1986 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1987 the types of the operands.
1988 (chrec_type): ...here.
1989 * tree-data-ref.c (create_data_ref): Convert the operands before
1990 calling chrec_replace_initial_condition.
1991 (same_access_functions, analyze_subscript_affine_affine,
1992 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1993 (compute_subscript_distance, analyze_ziv_subscript,
1994 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1995 analyze_miv_subscript): Convert the operands before calling
1996 chrec_fold_minus or chrec_fold_plus.
1998 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2000 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2001 the dependence_relations vector.
2002 (compute_data_dependences_for_loop): Adjust call to
2003 compute_all_dependences.
2005 2006-04-01 Roger Sayle <roger@eyesopen.com>
2006 Richard Henderson <rth@redhat.com>
2008 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2009 gimple_boolify on the condition before calling gimplify_expr.
2011 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2013 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2014 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2015 the frame size. Update to use the new macros.
2016 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2017 * config/xtensa/ieee754-df.S: Likewise.
2019 2006-03-31 Richard Henderson <rth@redhat.com>
2021 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2022 (make_edges): ... here. Control fallthru creation with a local
2023 variable. Do not play with fake edges.
2024 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2025 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2028 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2030 * dwarf2.h (DW64_CIE_ID): Define.
2031 * dwarf2out.c (DWARF_CIE_ID): Define.
2032 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2033 length header. Use DWARF_CIE_ID.
2034 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2035 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2037 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2039 * config/sh/linux-atomic.asm: New file.
2040 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2042 2006-03-31 DJ Delorie <dj@redhat.com>
2044 * config/m32c/cond.md: Set condition flags properly throughout.
2045 * config/m32c/minmax.md: Likewise.
2046 * config/m32c/prologue.md: Likewise.
2047 * config/m32c/bitops.md: Likewise.
2048 * config/m32c/muldiv.md: Likewise.
2049 * config/m32c/mov.md: Likewise.
2050 * config/m32c/addsub.md: Likewise.
2051 * config/m32c/m32c.md: Likewise.
2052 * config/m32c/jump.md: Likewise.
2053 * config/m32c/shift.md: Likewise.
2055 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2056 conditionally output the pattern for this.
2057 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2058 (m32c_compare_redundant): New.
2059 (m32c_output_compare): New.
2060 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2062 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2063 dest, not src. Allow other 4-byte modes.
2065 2006-03-30 Denis Chertykov <denisc@overta.ru>
2067 * doc/md.texi: Refer to avr/constraints.md instead of
2070 2006-03-30 Roger Sayle <roger@eyesopen.com>
2072 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2073 signed vs. unsigned comparison failures on some hosts.
2075 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2078 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2079 change to FLOAT_REGS.
2081 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2082 (rs6000_override_options): Use it.
2083 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2084 only for -mabi=spe/no-spe and -mabi=altivec.
2086 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2088 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2091 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2093 * Makefile.in: Rename docdir to gcc_docdir.
2095 2006-03-30 Roger Sayle <roger@eyesopen.com>
2098 * expr.c (emit_group_store): Optimize group stores into a pseudo
2099 register by using a paradoxical subreg to initialize the destination
2100 if the first or last member of the group specifies a "low part".
2102 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2105 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2106 * target.h (struct gcc_target.speculate_insn): Change type of the
2107 second parameter to 'int'.
2108 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2109 the second operand of the DEPS_LIST.
2110 (copy_DEPS_LIST_list): Update reference to the second operand of the
2112 * rtl.h (alloc_DEPS_LIST): Update signature.
2113 * sched-int.h (ds_t): Change typedef to 'int'.
2114 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2116 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2118 * haifa-sched.c (try_ready): Change condition to restore
2119 non-speculative pattern of the instruction.
2120 (process_insn_depend_be_in_spec): Code to keep probability of the
2121 speculative dependence non-decreasing.
2123 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2125 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2126 (single_move_for_movmem): ... this. Also change all uses.
2127 (bfin_expand_strmov): Renamed to...
2128 (bfin_expand_movmem): ... this. Also change all uses.
2129 * config/bfin/bfin.md (movstrsi): Renamed to...
2130 (movstrsi): ...this.
2132 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2134 PR tree-optimization/26830
2136 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2137 (copy_prop_visit_stmt): Remove write-only variable ann.
2138 (init_copy_prop): Check variable loop depth here. Do not simulate
2139 memory-tag and virtual operand PHIs except for store copy prop.
2141 2006-03-30 Richard Guenther <rguenther@suse.de>
2143 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2144 variants with double arguments.
2146 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2148 * genpreds.c (write_tm_constrs_h): Delete variable p.
2149 * genconditions.c (write_header): Add tm-constrs.h to included
2151 * genpeep.c (main): Add toplev.h to included headers.
2152 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2153 (build/genpeep.o): Add toplev.h dependency.
2154 * config/rs6000/constraints.md: Add "W" constraint.
2156 2006-03-29 Roger Sayle <roger@eyesopen.com>
2158 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2159 sizes by correctly testing whether the size fits a host integer.
2160 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2161 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2162 SImode range for the default sizetype and bitsizetype.
2164 2006-03-29 Roger Sayle <roger@eyesopen.com>
2166 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2167 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2168 quickly if the argument is already of the correct type.
2169 Call fold_build1 instead of build1. Tidy up blank lines.
2171 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2173 * genemit.c (main): Add tm-constrs.h to included headers.
2174 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2175 * genpeep.c (main): Add tm-constrs.h to included headers.
2176 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2177 (write_tm_constrs_h): this and write complete file.
2178 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2179 (write_insn_preds_c): Add tm-constrs.h to included headers.
2180 (gen_constrs): New variable.
2181 (parse_option): Parse "-c".
2182 (main): Invoke write_tm_constrs_h.
2183 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2184 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2185 (object_out_file): Add tm-constrs.h dependency.
2186 (insn-emit.o): Same.
2187 (insn-output.o): Same.
2188 (insn-peep.o): Same.
2189 (insn-preds.o): Same.
2190 (insn-recog.o): Same.
2191 (tm-constsr.h): New target.
2192 (s-constrs-h): New target.
2194 * config/rs6000/constraints.md: New file.
2195 * config/rs6000/rs6000.c: Include tm-constrs.h.
2196 (num_insn_constant_wide): Convert to satisfies_constraint.
2197 (rs6000_rtx_costs): Convert to satisfies_constraint.
2198 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2199 (CONST_OK_FOR_LETTER_P): Delete.
2200 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2201 (EXTRA_CONSTRAINT): Delete.
2202 (EXTRA_MEMORY_CONSTRAINT): Delete.
2203 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2204 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2205 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2206 satisfies_constraint.
2208 * config/i386/i386.c: Include tm-constrs.h.
2210 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2212 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2213 * tree-data-ref.c (find_data_references_in_loop,
2214 compute_data_dependences_for_loop): Use pointers to VEC.
2215 (analyze_all_data_dependences): Adjust calls.
2216 * tree-data-ref.h (find_data_references_in_loop,
2217 compute_data_dependences_for_loop): Adjust declarations.
2218 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2219 compute_data_dependences_for_loop.
2221 2006-03-29 Paul Brook <paul@codesourcery.com>
2223 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2226 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2228 PR tree-optimization/26859
2229 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2231 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2232 for the step after fold_convert.
2234 2006-03-29 Paul Brook <paul@codesourcery.com>
2236 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2237 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2239 2006-03-29 Paul Brook <paul@codesourcery.com>
2242 * targhooks.c (default_narrow_bitfield): New fuction.
2243 * targhooks.h (default_narrow_bitfield): add prototype.
2244 * target.h (gcc_target): Add narrow_volatile_bitfield.
2245 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2246 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2247 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2248 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2250 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2252 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2254 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2255 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2256 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2257 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2258 (s390_function_arg_float): Allow SDmode and DDmode values to be
2259 passed in floating point registers.
2260 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2261 check with SCALAR_FLOAT_MODE_P.
2262 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2264 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2266 PR tree-optimization/25985
2267 * tree-ssa-loop-niter.c (number_of_iterations_le,
2268 number_of_iterations_ne): Make comments more precise.
2269 (number_of_iterations_cond): Add only_exit argument. Use the
2270 fact that signed variables do not overflow only when only_exit
2272 (loop_only_exit_p): New.
2273 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2274 number_of_iterations_cond.
2276 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2278 PR tree-optimization/26643
2279 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2282 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2284 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2285 (divsi3_i4_int): Likewise.
2287 2006-03-28 Roger Sayle <roger@eyesopen.com>
2289 * expr.c (emit_group_store): Only create a new pseudo reg if the
2290 quantity it needs to hold isn't already a suitable pseudo.
2292 2006-03-28 Jeff Law <law@redhat.com>
2294 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2295 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2297 2006-03-28 Roger Sayle <roger@eyesopen.com>
2299 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2300 the equivalent ~X & Y, and the symmetry related transformations.
2301 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2302 ~X & Y, and symmetry related transforms.
2304 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2306 Revert my 2006-03-27 patches.
2308 2006-03-28 Roger Sayle <roger@eyesopen.com>
2310 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2311 ~(T1)X, when T1 and T2 are integer types of the same precision
2312 and (T2)X isn't an extension.
2314 2006-03-28 Jeff Law <law@redhat.com>
2316 PR tree-optimization/26796
2317 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2318 need EH edge cleanups rather than purging them immediately.
2319 (eliminate_degenerate_phis): Handle queued EH cleanups.
2321 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2323 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2326 2006-03-27 Roger Sayle <roger@eyesopen.com>
2329 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2330 cast BIT_NOT_EXPR operand to the correct type.
2332 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2334 * tree-loop-linear.c: Don't include varray.h.
2335 (gather_interchange_stats, try_interchange_loops,
2336 linear_transform_loops): Use VEC instead of VARRAY.
2337 * lambda-mat.c: Don't include varray.h.
2338 * tree-chrec.c: Same.
2339 * lambda-trans.c: Same.
2340 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2341 VEC instead of VARRAY.
2342 * tree-vectorizer.h: Idem.
2343 * tree-data-ref.c (dump_data_references,
2344 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2345 initialize_data_dependence_relation, finalize_ddr_dependent,
2346 compute_all_dependences, find_data_references_in_loop,
2347 compute_data_dependences_for_loop, analyze_all_data_dependences,
2348 free_dependence_relation, free_dependence_relations,
2349 free_data_refs): Idem.
2350 * tree-data-ref.h (data_reference_p, subscript_p): New.
2351 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2352 VEC instead of VARRAY.
2353 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2354 (find_data_references_in_loop, compute_data_dependences_for_loop,
2355 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2356 dump_data_dependence_relations, free_dependence_relations,
2357 free_data_refs): Adjust declaration.
2358 (lambda_transform_legal_p): Move declaration here...
2359 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2360 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2361 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2362 vect_analyze_data_refs): Use VEC instead of VARRAY.
2363 * lambda.h (lambda_transform_legal_p): ...from here.
2364 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2365 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2366 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2367 tree-chrec.o): Don't depend on VARRAY_H.
2369 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2371 * rtl.def (Copyright): Update date.
2372 (DEPS_LIST): Change type of the second operand to 'int'.
2373 * target.h (Copyright): Update date.
2374 (struct gcc_target.speculate_insn): Change type of the second parameter
2376 * lists.c (Copyright): Update date.
2377 (alloc_DEPS_LIST): Change signature. Update reference to the second
2378 operand of the DEPS_LIST.
2379 (copy_DEPS_LIST_list): Update reference to the second operand of the
2381 * rtl.h (Copyright): Update date.
2382 (alloc_DEPS_LIST): Update signature.
2383 * sched-int.h (Copyright): Update date.
2384 (ds_t): Change typedef to 'int'.
2385 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2387 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2389 * haifa-sched.c (Copyright): Update date.
2390 (try_ready): Change condition to restore non-speculative pattern
2392 (process_insn_depend_be_in_spec): Code to keep probability of the
2393 speculative dependence non-decreasing.
2395 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2397 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2398 shut up the compiler.
2400 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2402 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2403 to use lib prefix for target.
2404 ($(T)libic_invalidate_array_4-200.a): Likewise.
2405 ($(T)libic_invalidate_array_4a.a): Likewise.
2407 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2408 J"orn Rennecke <joern.rennecke@st.com>
2410 * superh.opt: New file.
2411 * sh.c (boardtype, osruntime): Remove.
2412 * superh.h (SUBTARGET_OPTIONS): Remove.
2413 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2415 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2416 arguments with ^ and/or [].
2418 * config.gcc (sh-*-*): Add quoting to account for quirk of
2420 Replace == with = in enable_incomplete_targets test.
2422 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2423 with MASK_LITTLE_ENDIAN.
2425 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2426 * config/sh/sh.opt: Added to some comments.
2427 * config/sh/superh.h: Removed some chaff.
2429 * config/sh/sh.opt: Add m4-[1234]00* options.
2430 * config/sh/sh.c (sh_handle_option): Likewise.
2431 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2432 (ic_invalidate_array_4-100.o): New rule.
2433 ($(T)libic_invalidate_array_4-100.a): Likewise.
2434 (ic_invalidate_array_4-200.o): Likewise.
2435 ($(T)libic_invalidate_array_4-200.a): Likewise.
2436 (ic_invalidate_array_4a.o): Likewise.
2437 ($(T)libic_invalidate_array_4a.a): Likewise.
2438 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2439 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2441 * config/sh/crt1.asm: Merged in profiling code.
2442 * config/sh/superh.h (STARTFILE_SPEC): Override.
2443 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2444 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2445 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2447 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2448 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2449 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2451 * sh.opt (mpretend-cmove): New option.
2452 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2453 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2454 (movsicc): Add TARGET_PRETEND_CMOVE code.
2456 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2458 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2459 s390_class_max_nregs): New function prototypes.
2460 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2461 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2462 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2463 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2465 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2467 * dwarf2out.c (add_location_or_const_value_attribute): Call
2468 tree_add_const_value_attribute if nothing else works.
2469 (reference_to_unused): New.
2470 (rtl_for_decl_init): Use reference_to_unused to decide whether
2471 to output an initializer.
2473 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2476 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2477 peephole removing spe frob_di_df_2.
2479 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2481 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2482 (subscript_dependence_tester_1): Declared.
2483 (print_dir_vectors, print_dist_vectors): New.
2484 (debug_data_dependence_relation): New.
2485 (dump_data_dependence_relation): Print more details.
2486 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2487 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2488 (save_dist_v, save_dir_v, add_outer_distances,
2489 build_classic_dist_vector_1): New.
2490 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2491 Don't test for lambda_vector_lexico_pos.
2492 (same_access_functions, add_multivariate_self_dist,
2493 add_other_self_distances, dir_from_dist): New.
2494 (build_classic_dir_vector): Replace implementation almost identical to
2495 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2497 (subscript_dependence_tester_1): New.
2498 (subscript_dependence_tester): Handle the lexicographically negative
2499 distance vectors by recomputing the dependence relation.
2500 (compute_affine_dependence): Remove parameter loop_nest_depth.
2501 (compute_self_dependence): Don't call compute_subscript_distance.
2502 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2503 Add a parameter for the loop_nest.
2504 (find_loop_nest_1, find_loop_nest): New.
2505 (compute_data_dependences_for_loop): Compute the loop nest, and give
2506 up if the nest is not well formed.
2507 * tree-data-ref.h (loop_p): New.
2508 (struct data_dependence_relation): Replace size_vect field with
2509 loop_nest, a vec of loops.
2510 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2511 (DDR_LOOP_NEST): New.
2512 (print_dir_vectors, print_dist_vectors,
2513 debug_data_dependence_relation): Declared.
2514 (index_in_loop_nest): New.
2515 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2516 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2519 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2521 * simplify-rtx.c (simplify_relational_operation): Call
2522 simplify_relational_operation_1 even if mode is VOIDmode.
2524 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2526 PR tree-optimization/26804
2527 * tree.h (DECL_CALL_CLOBBERED): New macro.
2528 (tree_decl_common): Add call_clobbered_flag.
2529 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2530 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2531 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2532 (mark_non_addressable): Ditto.
2533 * tree-ssa.c (verify_call_clobbered): New function.
2534 (verify_alias_info): Use it.
2535 * tree-pass.h (pass_reset_cc_flags): New prototype.
2536 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2537 (reset_cc_flags): New function.
2538 * passes.c (init_optimization_passes): Call reset_cc_flags after
2539 initializing referenced_vars.
2541 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2542 Roger Sayle <roger@eyesopen.com>
2545 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2546 to 1.0 for non-real operands. Implement A / A optimization for
2549 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2551 * config/i386/i386.c (size_cost): Correct the comment for
2552 cost of storing fp registers.
2553 (i386_cost): Likewise.
2554 (i486_cost): Likewise.
2555 (pentium_cost): Likewise.
2556 (pentiumpro_cost): Likewise.
2557 (k6_cost): Likewise.
2558 (athlon_cost): Likewise.
2559 (k8_cost): Likewise.
2560 (pentium4_cost): Likewise.
2561 (nocona_cost): Likewise.
2562 (generic64_cost): Likewise.
2563 (generic32_cost): Likewise.
2565 2006-03-24 Denis Chertykov <denisc@overta.ru>
2567 * config/avr/avr-protos.h (extra_constraint): Delete.
2568 (extra_constraint_Q): New declaration.
2569 * config/avr/constraints.md: New file.
2570 * config/avr/avr.md: Include it.
2571 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2572 (TMP_REGNO, ZERO_REGNO): Likewise.
2573 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2574 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2575 (extra_constraint): Delete.
2576 (extra_constraint_Q): Test for memory constraint 'Q'.
2577 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2578 (REG_CLASS_FROM_LETTER): Delete.
2579 (CONST_OK_FOR_LETTER_P): Delete.
2580 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2581 (EXTRA_CONSTRAINT): Delete.
2582 (TMP_REGNO): Delete.
2583 (ZERO_REGNO): Delete.
2585 2006-03-24 Jeff Law <law@redhat.com>
2587 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2588 directly. Call mark_new_vars_to_rename slightly earlier.
2590 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2592 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2594 (gen_compile_unit_die): Use new language types for Objective-C and
2596 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2597 DW_LANG_C_plus_plus.
2600 * config/t-darwin (crt3.o): Work around bug 26840.
2601 * config/darwin-crt3.c: Rewrite.
2602 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2604 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2606 * doc/invoke.texi: Document -femit-class-debug-always
2607 * common.opt: Add -femit-class-debug-always.
2609 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2611 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2612 index and base register.
2613 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2614 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2615 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2616 REGNO_OK_FOR_INDEX_P.
2617 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2619 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2620 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2621 REG_OK_FOR_BASE_P): Definitions removed.
2623 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2626 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2627 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2628 set yet or weren't marked as local yet.
2630 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2632 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2635 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2637 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2638 (rs6000_legitimate_small_data_p): Delete.
2639 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2640 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2641 and make static. Add forward declaration. Update uses.
2642 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2643 of offsettable_memref_p.
2644 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2645 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2647 2006-03-24 Jeff Law <law@redhat.com>
2649 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2650 around bug in immediate-use iterator.
2652 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2655 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2656 or __LITTLE_ENDIAN__.
2658 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2660 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2661 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2662 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2663 * config/sh/sh.opt (mdiv=): Amend description.
2664 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2665 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2666 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2667 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2668 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2669 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2670 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2671 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2672 TARGET_DIVIDE_CALL_FP.
2674 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2676 * haifa-sched.c (choose_ready): Fix type of the local variable.
2677 Move local variables. Add comment.
2678 (check_reg_live): Change signature. Make callable from debugger.
2679 * sched-int.h (check_reg_live): Update signature.
2680 * sched-ebb.c (check_reg_live): Update parameters.
2681 * sched-rgn.c (check_reg_live): Ditto.
2682 (region_head_or_leaf_p): Check pointer before dereferencing.
2683 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2684 before reload on optimization levels below 1.
2686 2006-03-23 Richard Henderson <rth@redhat.com>
2688 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2692 * config/alpha/predicates.md (local_symbolic_operand): Reject
2695 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2698 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2699 expressions which have overflowed constants.
2701 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2703 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2705 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2707 * cfgloopmanip.c (create_loop_notes): Removed.
2708 * final.c (final_scan_insn): Do not handle loop notes.
2709 * jump.c (squeeze_notes): Ditto.
2710 * cfglayout.c (skip_insns_after_block,
2711 duplicate_insn_chain): Ditto.
2712 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2714 * cfgloop.h (create_loop_notes): Declaration removed.
2716 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2718 * varasm.c (output_constant_pool): Restore fnname and fndecl
2720 (assemble_start_function): Adjust call accordingly.
2721 (assemble_end_function): Likewise.
2723 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2726 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2729 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2731 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2734 * system.h (ICE_EXIT_CODE): New macro.
2735 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2736 (diagnostic_action_after_output): Likewise.
2737 * gcc.c (fatal_ice): New function.
2738 (execute): Use it instead of fatal.
2739 (fancy_abort): Likewise.
2740 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2742 2006-03-22 Jeff Law <law@redhat.com>
2744 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2745 iv_analyze_result returning false.
2747 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2749 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2751 2006-03-22 Richard Henderson <rth@redhat.com>
2754 * except.c (duplicate_eh_regions_0): New.
2755 (duplicate_eh_region_1): Duplicate the children of the node as
2756 well as the node itself. Link them up properly.
2757 (duplicate_eh_region_2): Merge into ...
2758 (duplicate_eh_regions): ... here. Take copy_region argument, and
2759 copy only a sub-tree if asked. Simplify copying and fixup.
2760 (eh_region_outer_p): New.
2761 * except.h (duplicate_eh_regions): Update decl.
2762 (eh_region_outer_p): Declare.
2763 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2764 (lower_omp_master): Likewise.
2765 (lower_omp_ordered): Likewise.
2766 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2767 (move_stmt_r): Use it to remap labels. Handle recursion vs
2768 remap_decls_p properly.
2769 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2770 (find_outermost_region_in_block): New.
2771 (new_label_mapper): New.
2772 (move_sese_region_to_fn): Copy eh information to the new function
2774 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2776 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2779 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2781 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2782 into shared libraries.
2784 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2786 * doc/md.texi: Refer to i386/constraints.md instead of
2788 * config/i386/constraints.md: New file, extracted from...
2789 * config/i386/predicates.md: ...here.
2790 * config/i386/i386.md: Include constraints.md.
2792 2006-03-21 Jason Merrill <jason@redhat.com>
2794 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2797 * expr.c (init_block_move_fn): Force default visibility.
2798 (init_block_clear_fn): Likewise.
2799 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2800 * targhooks.c (default_external_stack_protect_fail): Likewise.
2802 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2804 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2805 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2806 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2807 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2808 (loadgp): Use mips_current_loadgp_style.
2809 (loadgp_noshared): New pattern.
2810 (sibcall_internal): Use MIPS_CALL.
2811 (sibcall_value_internal): Likewise.
2812 (sibcall_value_multiple_internal): Likewise.
2813 (call_internal): Likewise.
2814 (call_value_internal): Likewise.
2815 (call_value_multiple_internal): Likewise.
2816 (call_split): Use MIPS_CALL and add an 'S' constraint.
2817 (call_value_split): Likewise.
2818 (call_value_multiple_split): Likewise.
2819 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2820 (-mshared): New option.
2821 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2822 (mips_current_loadgp_style): Declare.
2823 * config/mips/mips.c (mips_classify_symbol): Avoid using
2824 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2825 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2826 TARGET_ABSOLUTE_ABICALLS.
2827 (override_options): Adjust comments. Improve the warning that is
2828 issued when -mabicalls and -G are used together.
2829 (mips_file_start): Remove comment.
2830 (mips_current_loadgp_style): New function.
2831 (mips_gnu_local_gp): New variable.
2832 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2834 (mips_output_function_prologue): Use mips_current_laodgp_style.
2835 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2836 the cprestore instruction.
2837 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2838 live for TARGET_ABSOLUTE_ABICALLS.
2839 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2840 (ASM_SPEC): Pass down -mshared and -mno-shared.
2841 (MIPS_CALL): New macro.
2842 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2844 * doc/invoke.texi (-mabicalls): Update documentation.
2845 (-mshared): Document.
2847 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2849 * config/ia64/unwind-hpux.c: New file.
2850 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2852 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2855 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2857 2006-03-21 Jeff Law <law@redhat.com>
2859 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2860 type conversions of a VR_VARYING source to a wider type.
2862 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2864 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2865 tm_file on Solaris 10 and later.
2866 (sparc64-*-solaris2*): Likewise.
2867 (sparc-*-solaris2*): Likewise.
2868 * config/sol26.h: Rename to config/sol2-6.h.
2869 * config/sol2-10.h: New file.
2871 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2874 * tree-ssa-pre.c (create_component_ref_by_pieces):
2877 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2880 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2881 return it immediately.
2883 2006-03-21 Michael Matz <matz@suse.de>
2885 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2887 (remove_arc, add_arc): Update num_out_arcs member.
2888 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2890 (cache_presence): New function.
2891 (compare_states_for_equiv): New function.
2892 (state_is_differed): Don't take number of outargs, adjust callers.
2893 Use new invariant for speeding up.
2894 (init_equiv_class): Create initial classes based on sorted
2896 (partition_equiv_class): Don't track out_arcs_num.
2897 (evaluate_equiv_classes): Call cache_presence on all states and
2900 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2902 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2903 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2904 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2905 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2907 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2908 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2909 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2910 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2911 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2913 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2914 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2915 (REGNO_REG_CLASS): ARGP is in PREGS.
2916 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2918 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2919 to deal with those addresses.
2920 * addresses.h: New file.
2921 * caller-save.c: Include "addresses.h".
2922 (init_caller_save): Use new base_reg_class function.
2923 * rtl-factoring.c: Include "addresses.h".
2924 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2925 * recog.c: Include "addresses.h".
2926 (preprocess_constraints): Use new base_reg_class function.
2927 * regrename.c: Include "addresses.h".
2928 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2929 functions. Keep track of a new var INDEX_CODE to compute valid
2931 (replace_oldest_value_addr): Likewise.
2932 (replace_oldest_value_mem): Use base_reg_class.
2933 * reload.c: Include "addresses.h".
2934 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2935 (find_reloads): Use new base_reg_class function.
2936 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2937 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2938 all callers and prototype changed.
2939 * reload1.c: Include "addresses.h".
2940 (maybe_fix_stack_asms): Use base_reg_class.
2941 * regclass.c: Include "addresses.h".
2942 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2943 (init_reg_autoinc): Use new base_reg_class function.
2944 (record_reg_classes): Likewise.
2945 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2946 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2947 Use new args to compute necessary class.
2949 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2950 regrename.o, rtl-factoring.o): Update dependencies.
2951 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2952 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2953 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2954 REG_OK_FOR_INDEX_P): Delete documentation.
2956 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2958 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2959 from V7 to V9 for Solaris 7 and above.
2961 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2963 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2964 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2965 argument pointers may not alias any other storage.
2966 * common.opt: Define option -fargument-noalias-anything.
2967 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2968 alias semantics is specified by flag_argument_noalias > 2.
2970 2006-03-20 Jeff Law <law@redhat.com>
2972 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2973 (pass_phi_only_cprop): Declare.
2974 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2976 * tree-ssa-dom.c (degenerate_phi_result): New function.
2977 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2978 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2979 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2980 (eliminate_degenerate_phis): Likewise.
2981 (pass_phi_only_cprop): New pass descriptor.
2982 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2983 support code. Callers updated.
2984 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2985 (store_copy_prop): Likewise.
2986 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2988 2006-03-20 Jason Merrill <jason@redhat.com>
2991 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2992 (push_visibility, pop_visibility): Likewise.
2993 * c-pragma.h: Declare them.
2995 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2997 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2999 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3000 parameter and use get_ebb_head_tail.
3001 (sh_md_init_global): Adjust uses of find_regmode_weight.
3003 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3005 * function.h (struct function) <x_tail_recursion_reentry>:
3006 Rename to x_stack_check_probe_note.
3007 (tail_recursion_reentry): Rename to stack_check_probe_note.
3008 * function.c: Replace tail_recursion_reentry with
3009 stack_check_probe_note everywhere.
3010 (expand_function_start): Only emit a note for
3011 stack_check_probe_note with -fstack-protect.
3012 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3014 * emit-rtl.c (remove_unnecessary_notes): Remove.
3015 (pass_remove_unnecessary_notes): Remove.
3016 * rtl.h (remove_unnecessary_notes): Remove prototype.
3017 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3018 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3019 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3021 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3024 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3025 (valid_in_set): Handle ARRAY_REF.
3026 Change "if min_variant or VH" to asserts.
3027 (create_component_ref_by_pieces): Handle ARRAY_REF.
3028 (create_expression_by_pieces): Likewise.
3029 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3031 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3033 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3034 is operand of switch, not str[0].
3036 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3038 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3039 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3041 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3043 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3044 end of insn_extra_address_constraint declaration.
3046 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3048 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3049 (no-sum-in-toc): Same.
3050 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3052 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3053 NO_FP_IN_TOC for -fPIC instead of mask.
3055 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3056 (BOOT_LDFLAGS): Delete.
3058 * config/rs6000/t-aix52: Same.
3060 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3061 (stmsi[345678]_power): New.
3063 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3065 * config/ia64/ia64.opt: Add empty line to end of file.
3067 2006-03-17 Richard Guenther <rguenther@suse.de>
3070 * builtins.c (get_pointer_alignment): For component style references
3071 adjust alignment to the component type alignment. Make sure
3072 to adjust alignment for component access of constants.
3074 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3076 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3079 2006-03-17 Paul Brook <paul@codesourcery.com>
3081 * doc/install.texi: Docuemnt --with-mode.
3082 * config.gcc: Add --with-mode for arm*-*-*.
3083 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3085 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3087 * sh.c (max_labelno_before_reorg): New variable.
3088 (sh_reorg): Initialize it.
3089 (find_barrier): Check max_labelno_before_reorg before using
3090 label_to_alignment. Take length of explicit alignment insns
3091 into account. When seeing a UNSPECV_CONST_END, return it.
3093 * sh.c (fixup_mova): Set mode of affected label to QImode.
3094 (untangle_mova): New function.
3095 (find_barrier): Use it. Check mode of label before decrementing
3097 (sh_reorg): Likewise.
3098 Set mode of all insns back to VOIDmode.
3100 * sh.c (MOVA_LABELREF): New macro.
3101 (mova_p, fixup_mova, sh_reorg): Use it.
3102 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3103 ADDR_DIFF_VEC matches mova.
3105 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3107 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3108 with ATTRIBUTE_UNUSED.
3110 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3112 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3113 pointer, instead of assuming it is possible to derive the
3114 correct args size from a call insn.
3116 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3118 * rtl.h (CONST_INT_P): Define.
3119 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3120 instead of GET_CODE(x) == CONST_INT.
3121 (vax_rtx_costs): Likewise.
3122 (vax_output_int_move): Likewise.
3123 (vax_output_int_add): Likewise.
3124 (legitimate_constant_address_p): Likewise.
3125 (index_term_p): Likewise.
3126 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3127 * config/vax/vax.md (and<mode>3): Likewise.
3128 (ashrsi3): Likewise.
3130 (movstricthi): Likewise.
3131 (movstrictqi): Likewise.
3132 (rotrsi3): Likewise.
3133 (five unnamed insns): Likewise.
3135 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3137 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3138 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3139 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3140 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3141 Pass to ASM_OUTPUT_DWARF_OFFSET.
3142 * dwarf2out.c (debug_frame_section): New.
3143 (output_call_frame_info): Use debug_frame_section. Pass it to
3144 dw2_asm_output_offset.
3145 (output_die): Pass appropriate section to dw2_asm_output_offset.
3146 (output_compilation_unit_header): Likewise.
3147 (output_pubnames): Likewise.
3148 (output_aranges): Likewise.
3149 (enum dw_val_class): Break dw_val_class_lbl_offset into
3150 dw_val_class_lineptr and dw_val_class_macptr.
3151 (add_AT_lbl_offset): Delete.
3152 (add_AT_lineptr): New.
3153 (add_AT_macptr): New.
3154 (AT_lbl): Expect a lineptr or macptr.
3155 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3156 (attr_checksum): Likewise.
3157 (same_dw_val_p): Likewise.
3158 (size_of_die): Likewise.
3159 (value_format): Likewise.
3160 (output_die): Likewise.
3161 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3163 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3164 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3165 * config/darwin-protos.h (darwin_file_start): New.
3166 (darwin_asm_output_dwarf_offset): New.
3167 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3168 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3170 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3171 if not EH section; simplify.
3172 (darwin_file_start): New.
3173 (darwin_asm_output_dwarf_offset): New.
3174 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3176 (DEBUG_INFO_SECTION): Likewise.
3177 (DEBUG_ABBREV_SECTION): Likewise.
3178 (DEBUG_ARANGES_SECTION): Likewise.
3179 (DEBUG_MACINFO_SECTION): Likewise.
3180 (DEBUG_LINE_SECTION): Likewise.
3181 (DEBUG_LOC_SECTION): Likewise.
3182 (DEBUG_PUBNAMES_SECTION): Likewise.
3183 (DEBUG_STR_SECTION): Likewise.
3184 (DEBUG_RANGES_SECTION): Likewise.
3185 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3186 (ASM_OUTPUT_DWARF_OFFSET): New.
3188 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3190 * config.gcc (tm_defines): Always add to previous value rather
3193 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3195 * config/mips/predicates.md (splittable_const_int_operand): New,
3196 split from move_operand.
3197 (splittable_symbolic_operand): New.
3198 (move_operand): Add commentary. Use splittable_const_int_operand.
3199 Inline mips_atomic_symbolic_constant_p.
3200 * config/mips/mips.md: Add combine splitters for handling moves
3201 of splittable_const_int_operands and splittable_symbolic_operands.
3202 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3203 (mips_split_symbol): Declare.
3204 (mips_move_integer): Declare.
3205 * config/mips/mips.c (mips_split_p): Make global.
3206 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3207 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3208 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3209 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3210 (mips_offset_within_object_p): Handle block symbols.
3211 (mips_atomic_symbolic_constant_p): Delete.
3212 (mips_cannot_force_const_mem): Return false for constants that
3213 mips_legitimize_move can handle.
3214 (mips_use_blocks_for_constant_p): New function.
3215 (mips_split_symbol): Make global.
3216 (mips_move_integer): Likewise. Add a temporary register argument.
3217 (mips_legitimize_const_move): Use splittable_const_int_operand and
3218 splittable_symbolic_operand.
3219 (mips_use_anchors_for_symbol_p): New function.
3220 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3221 (mips_split_p): Declare.
3223 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3225 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3226 (mips*-*-linux*): Likewise.
3228 2006-03-16 Roger Sayle <roger@eyesopen.com>
3229 Daniel Speyer <dspeyer@wam.umd.edu>
3232 * tree-dump.c (dump_real): New function.
3233 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3234 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3235 (tree-dump.o): Add $(REAL_H) to the dependencies.
3237 2006-03-16 Roger Sayle <roger@eyesopen.com>
3240 * real.c (real_from_string): If the mantissa is zero, don't bother
3241 parsing the exponent as the result should always be zero.
3243 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3245 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3247 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3249 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3250 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3251 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3252 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3253 ia64_sched_finish_global): New static functions to implement
3254 hooks from gcc_target.sched.
3255 (spec_check_no, max_uid, pending_data_specs): New static variables.
3256 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3257 ia64_spec_check_src_p): New static functions.
3258 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3259 (TARGET_SCHED_ADJUST_COST): Removed.
3260 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3261 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3262 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3263 TARGET_SCHED_GEN_CHECK,
3264 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3265 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3266 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3267 Fixed to handle speculation checks.
3268 (rtx_needs_barrier): Fixed to handle speculative loads and
3270 (ia64_variable_issue): Added code to count speculative loads and their
3272 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3274 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3276 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3278 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3279 (ia64_reorg): Reset stops_p to NULL after it is freed.
3280 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3281 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3282 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3284 (data_speculative, control_speculative, check_load): New attributes.
3285 (mov<mode>_advanced, mov<mode>_speculative,
3286 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3287 zero_extend<mode>di2_speculative,
3288 zero_extend<mode>di2_speculative_advanced): New patterns for
3289 data and control speculative loads.
3290 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3292 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3293 New pattern for data and control speculation checks.
3294 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3295 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3296 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3297 Auxiliary definitions for the patterns.
3298 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3299 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3301 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3303 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3304 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3305 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3306 New resource constraints.
3307 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3309 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3310 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3311 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3312 msched-in-control-spec, msched-ldc, msched-control-ldc,
3313 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3314 msched-prefer-non-control-spec-insns,
3315 msched-count-spec-in-critical-path): New flags to tune speculative
3317 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3318 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3319 msched-in-control-spec, msched-ldc, msched-control-ldc,
3320 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3321 msched-prefer-non-control-spec-insns,
3322 msched-count-spec-in-critical-path): Document new flags.
3324 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3326 * target.h (struct spec_info_def): New opaque declaration.
3327 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3328 speculate_insn, needs_block_p, gen_check,
3329 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3330 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3331 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3332 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3333 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3334 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3336 (TARGET_SCHED): Use new macros.
3337 * rtl.h (copy_DEPS_LIST_list): New prototype.
3338 * sched-int.h (struct sched_info): Change signature of new_ready field,
3339 adjust all initializations. New fields: add_remove_insn,
3340 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3341 region_head_or_leaf_p.
3342 (struct spec_info_def): New structure declaration.
3343 (spec_info_t): New typedef.
3344 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3345 recovery_block, orig_pat.
3346 (glat_start, glat_end): New variables declaraions.
3347 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3349 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3350 DETACH_LIFE_INFO, USE_GLAT.
3351 (enum SPEC_SCHED_FLAGS): New enumeration.
3352 (NOTE_NOTE_BB_P): New macro.
3353 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3354 attach_life_info, debug_spec_status, check_reg_live): New functions.
3355 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3356 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3358 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3359 * ddg.c (get_block_head_tail): Adjust all uses.
3360 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3361 (sms_sched_info): Initialize new fields.
3362 (contributes_to_priority): Removed.
3363 * haifa-sched.c (params.h): New include.
3364 (get_block_head_tail): Adjust all uses.
3365 (ISSUE_POINTS): New macro.
3366 (glat_start, glat_end): New global variables.
3367 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3368 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3369 old_last_basic_block, before_recovery, current_sched_info_var,
3370 rgn_n_insns, luid): New static variables.
3371 (insn_cost1): New function. Move logic from insn_cost to here.
3372 (find_insn_reg_weight1): New function. Move logic from
3373 find_insn_reg_weight to here.
3374 (reemit_notes, move_insn, max_issue): Change signature.
3375 (move_insn1): Removed.
3376 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3377 extend_bb): New static functions to support extension of scheduler's
3379 (generate_recovery_code, process_insn_depend_be_in_spec,
3380 begin_speculative_block, add_to_speculative_block,
3381 init_before_recovery, create_recovery_block, create_check_block_twin,
3382 fix_recovery_deps): New static functions to support
3383 generation of recovery code.
3384 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3385 restore_bb_notes, move_block_after_check, move_succs): New static
3386 functions to support ebb scheduling.
3387 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3388 functions to support handling of register live information.
3389 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3390 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3391 add_jump_dependencies): New static functions.
3392 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3393 consistancy checking.
3394 (debug_spec_status): New function to call from debugger.
3395 (priority): Added code to handle speculation checks.
3396 (rank_for_schedule): Added code to distinguish speculative instructions.
3397 (schedule_insn): Added code to handle speculation checks.
3398 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3399 Fixed to handle ebbs.
3400 (move_insn): Added code to handle ebb scheduling.
3401 (max_issue): Added code to use ISSUE_POINTS of instructions.
3402 (choose_ready): Added code to choose between speculative and
3403 non-speculative instructions.
3404 (schedule_block): Added code to handle ebb scheduling and scheduling of
3405 speculative instructions.
3406 (sched_init): Initialize new variables.
3407 (sched_finish): Free new variables. Print statistics.
3408 (try_ready): Added code to handle speculative instructions.
3409 * lists.c (copy_DEPS_LIST_list): New function.
3410 * sched-deps.c (extend_dependency_caches): New function. Move logic
3411 from create_dependency_caches to here.
3412 (get_dep_weak, ds_merge): Make global.
3413 * genattr.c (main): Code to output prototype for
3414 dfa_clear_single_insn_cache.
3415 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3416 (output_dfa_clean_insn_cache_func): Code to output
3417 dfa_clear_single_insn_cache function.
3418 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3420 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3422 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3423 New static variables.
3424 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3425 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3427 (ebb_sched_info): Initialize new fields.
3428 (get_block_head_tail): Adjust all uses.
3429 (compute_jump_reg_dependencies): Fixed to use glat_start.
3430 (schedule_ebb): Code to remove unreachable last block.
3431 (schedule_ebbs): Added code to update register live information.
3432 * sched-rgn.c (region_sched_info): Initialize new fields.
3433 (get_block_head_tail): Adjust all uses.
3434 (last_was_jump): Removed. Adjust users.
3435 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3436 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3437 Implement new hooks.
3438 (check_dead_notes1): New static function.
3439 (struct region): New fields: dont_calc_deps, has_real_ebb.
3440 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3441 (BB_TO_BLOCK): Fixed to handle EBBs.
3442 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3443 (ebb_head): New static variable.
3444 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3445 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3447 (compute_dom_prob_ps): New assertion.
3448 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3449 global_live_at_start.
3450 (init_ready_list): New assertions.
3451 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3452 (new_ready): Add support for BEGIN_CONTROL speculation.
3453 (schedule_insns): Fixed code that updates register live information
3455 (schedule_region): Fixed to handle EBBs.
3456 (init_regions): Use extend_regions and check_dead_notes1.
3457 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3458 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3459 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3460 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3461 TARGET_SCHED_GEN_CHECK,
3462 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3463 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3464 * doc/invoke.texi (max-sched-insn-conflict-delay,
3465 sched-spec-prob-cutoff): Document.
3467 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3469 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3470 inter_tick, queue_index.
3471 (struct sched_info): Change signature of init_ready_list field.
3472 Adjust all initializations.
3473 (RESOLVED_DEPS): New access macro.
3474 (ready_add): Remove prototype.
3475 (try_ready): Add prototype.
3476 * sched-rgn.c (init_ready_list): Use try_ready.
3477 (schedule_region): Initialize
3478 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3479 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3480 (init_ready_list): Use try_ready.
3481 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3482 * lists.c (remove_list_elem): Remove `static'.
3483 (remove_free_INSN_LIST_elem): New function.
3484 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3485 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3486 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3488 (readyp): New variable.
3489 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3490 change_queue_index, resolve_dep): New static functions.
3491 (try_ready): New function. Adjust callers in sched-rgn.c and
3492 sched-ebb.c to use it instead of ready_add.
3493 (clock_var): Move at the begining of file.
3494 (rank_for_schedule): Fix typo.
3495 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3496 (ready_lastpos): Enforce assertion.
3497 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3499 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3500 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3501 (queue_to_ready): Use free_INSN_LIST_list.
3502 (early_queue_to_ready): Fix typo.
3503 (schedule_block): Init readyp. Move init_ready_list call after the
3504 initialization of clock_var. Fix error in rejecting insn by
3505 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3506 that previously corrected INSN_TICKs. Add code for handling
3508 (set_priorities): Fix typo.
3509 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3510 Clarify comment and code that keeps current_sched_info->next_tail
3513 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3515 * sched-rgn.c (extend_rgns): New static function.
3516 (find_rgns): Use it.
3517 (gather_region_statistics, print_region_statistics): New static
3519 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3520 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3522 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3523 Andrey Belevantsev <abel@ispras.ru>
3525 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3526 * lists.c (unused_deps_list): New variable.
3527 (free_list): Add assertions to verify the proper distinguishing
3528 between INSN_LISTs and DEPS_LISTs.
3529 (find_list_elem, remove_list_elem, remove_list_node): New static
3531 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3532 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3533 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3534 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3536 (free_INSN_LIST_node): Likewise.
3537 * modulo-sched.c (current_sched_info): Initialize flags field.
3538 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3539 * rtl.def (DEPS_LIST): Define.
3540 * rtl.h: Declare new functions from lists.c.
3541 * sched-deps.c (spec_dependency_cache): New static variable.
3542 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3543 (add_dependence): Change return type to void. Move the logic to ...
3544 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3545 (delete_all_dependences): Add comment about forward_dependency_cache.
3546 Handle spec_dependency_cache. Handle DEPS_LISTs.
3547 (fixup_sched_groups): Clarify the change of priority of output
3548 and anti dependencies.
3549 (sched_analyze_2): Adjust add_dependence calls to create data
3550 speculative dependence.
3551 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3552 Adjust all callers. Handle DEPS_LISTS.
3553 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3554 presence of speculation.
3555 (init_dependency_caches, free_dependency_caches):
3556 Handle spec_dependency_cache.
3557 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3558 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3559 New static functions.
3560 (add_or_update_back_dep, add_or_update_back_forw_dep,
3561 add_back_forw_dep, delete_back_forw_dep): New functions.
3562 * sched-int.h (ds_t, dw_t): New typedefs.
3563 (struct sched_info): Add new field flags.
3564 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3565 Prototype new sched-deps.c functions.
3566 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3567 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3568 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3569 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3570 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3571 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3573 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3575 * sched-rgn.c (current_sched_info): Initialize flags field.
3576 (schedule_insns): Initialize current_sched_info before the sched_init
3578 * sched-ebb.c (current_sched_info): Initialize flags field.
3579 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3580 Call add_or_update_back_dep instead of add_dependence.
3581 Create control speculative dependencies.
3582 (schedule_insns): Initialize current_sched_info before the sched_init
3585 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3587 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3589 (sh_fallback_frame_state): Likewise.
3591 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3593 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3594 Do switch on default_use_cxa_atexit.
3595 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3596 * config/darwin-crt3.o: New.
3597 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3598 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3599 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3601 * config/rs6000/t-darwin: Move crt2.o building to here.
3602 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3603 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3606 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3608 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3609 from '! xxx' to '!xxx' for coding-style conformance.
3610 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3611 (EXTRA_CONSTRAINT): Likewise.
3612 * config/vax/vax.md (four unnamed insns): Likewise.
3614 2006-03-15 Paul Brook <paul@codesourcery.com>
3616 * config/arm/arm.c (minipool_pad): New.
3617 (add_minipool_forward_ref): Include pool alignment padding in address
3619 (push_minipool_fix): Set minipool_pad.
3620 (minipool_pad): Ditto.
3622 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3624 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3625 instead of GET_CODE() == MEM and REG_P() instead of
3627 (print_operand_address): Likewise.
3628 (vax_address_cost): Likewise.
3629 (vax_rtx_costs): Likewise.
3630 (vax_notice_update_cc): Likewise.
3631 (vax_output_int_add): Likewise.
3632 (INDEX_REGISTER_P): Likewise.
3633 (BASE_REGISTER_P): Likewise.
3634 (nonindexed_address_p): Likewise.
3635 (vax_mode_dependent_address_p): Likewise.
3636 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3637 (PRINT_OPERAND): Likewise.
3638 * config/vax/vax.md (ashlsi3): Likewise.
3639 (ashlsi3): Likewise.
3640 (some more unnamed insns): Likewise.
3642 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3644 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3645 iterator-style macro.
3646 (mark_control_dependent_edges_necessary): Update the use of
3647 EXECUTE_IF_CONTROL_DEPENDENT.
3649 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3651 * config/sh/predicates.md (cache_address_operand): Special.
3652 (ua_address_operand): Likewise.
3654 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3656 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3658 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3660 2006-03-15 Andreas Schwab <schwab@suse.de>
3662 * gensupport.c (identify_predicable_attribute): Don't free p_false
3663 when it is still in use.
3665 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3667 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3668 the default setting here.
3670 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3672 * tree-pass.h (pass_cfg): Remove.
3673 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3674 * passes.c (pass_cfg): Don't run it.
3676 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3678 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3679 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3681 (stack_regs_mentioned): Update the uses of
3682 stack_regs_mentioned_data. Don't access the array beyond its
3684 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3685 Don't include gt-reg-stack.h.
3687 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3688 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3690 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3693 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3696 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3698 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3700 2006-03-14 Richard Guenther <rguenther@suse.de>
3702 PR tree-optimization/26672
3703 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3706 2006-03-14 Richard Guenther <rguenther@suse.de>
3708 PR tree-optimization/26667
3709 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3710 node for the callees. Always allow inlining if it will shrink
3713 2006-03-14 Richard Guenther <rguenther@suse.de>
3716 * builtins.c (get_pointer_alignment): Prefer alignment
3717 information from decls over that from types.
3719 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3722 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3724 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3726 * config/rs6000/rs6000.opt (mdlmzb): New option.
3727 (msched-prolog, msched-epilog): Use Var not Mask.
3728 * doc/invoke.texi (-mdlmzb): Document.
3729 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3731 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3732 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3734 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3736 PR rtl-optimization/25739
3737 * bt-load.c (augment_live_range): Free tos pointer.
3739 * gensupport.c (identify_predicable_attribute): Free
3741 * gcov.c (create_file_names): Free name pointer.
3743 2006-03-13 Roger Sayle <roger@eyesopen.com>
3746 * stmt.c (emit_case_nodes): Handle the case where the index is a
3747 CONST_INT, where the comparison mode is specified by the index type.
3749 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3751 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3754 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3756 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3757 (*branch_fp_inverted): Likewise.
3759 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3762 * omp-low.c (expand_omp_for_generic): Mark istart0
3763 and iend0 as addressable.
3765 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3767 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3769 2006-03-13 Jeff Law <law@redhat.com>
3771 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3772 virtual operands are interesting.
3773 (vrp_visit_stmt): Corresponding changes.
3775 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3777 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3779 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3780 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3781 * config/bfin/crti.S: Use it instead of __PIC__.
3782 * config/bfin/crtn.S: Likewise.
3784 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3785 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3787 Lose 'G' modifier for call operand.
3788 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3789 recognize 'G' modifier.
3791 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3794 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3795 * stmt.c (expand_case): Likewise.
3797 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3799 PR rtl-optimization/26254
3800 * loop-invariant.c (seq_insns_valid_p): New function.
3801 (move_invariant_reg): Only emit new code if it is valid.
3803 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3805 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3807 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3808 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3809 (commit_one_edge_insertion): Do not look for loop notes.
3811 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3813 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3814 flag_test_coverage out of loop.
3816 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3818 * final.c (shorten_branches): Remove outdated comment, and turn
3819 the if branch that guards it to continue.
3821 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3823 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3824 * cfgloop.h (struct loop): Remove unused fields.
3826 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3828 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3829 (-dL, -fdump-rtl-loop2): Update the dump file names
3831 * doc/invoke.texi: Update dump file names.
3833 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3835 * predict.c (estimate_probability): Remove.
3836 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3837 * basic-block.h (estimate_probability): Remove prototype.
3838 * passes.c (finish_optimization_passes): Dump branch prediction or
3839 profiling heuristics to the .profile tree dump.
3840 (init_optimization_passes): Unqueue pass_branch_prob.
3842 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3844 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3846 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3847 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3849 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3851 * function.h (frame_offset_overflow): Declare.
3852 * function.c (frame_offset_overflow): New function.
3853 (assign_stack_local_1): Call it to detect that the offset overflows.
3854 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3856 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3858 * config/sh/sh.c: Include alloc-pool.h.
3859 (label_ref_list_pool): New alloc pool.
3860 (label_ref_list_t): New type for lists of labels.
3861 (struct pool_node): Make wend a label_ref_list_t.
3862 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3864 (dump_table): Likewise.
3865 (sh_reorg): Set up the alloc pool before using add_constant and
3866 dump_table, and destroy it when finishing.
3868 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3870 * config/mips/mips.c: Remove redundant comment.
3872 2006-03-10 Jason Merrill <jason@redhat.com>
3875 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3876 the target was declared 'register'.
3878 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3880 * genpreds.c (write_insn_constraint_len): Change definition of
3881 insn_constraint_len to return size_t to match the declaration.
3883 2006-03-10 DJ Delorie <dj@redhat.com>
3885 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3887 (m32c_expand_insv): Fix test for an AND mask.
3889 2006-03-10 Richard Guenther <rguenther@suse.de>
3892 * builtins.c (get_pointer_alignment): Handle component
3893 references for field alignment.
3895 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3897 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3898 when building with libgloss.
3899 (sh*elf): Implement --without-fp option.
3900 (sh64-superh-linux*): Don't multilib.
3902 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3904 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3906 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3908 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3909 Set it when one of the replacement functions returned true.
3910 Return TODO_cleanup_cfg if cfgchanged is true.
3911 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3913 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3915 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3916 instead of gen_lowpart.
3918 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3920 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3922 (mips_output_order_conditional_branch): Declare.
3923 * config/mips/mips.h (MIPS_BRANCH): New macro.
3924 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3925 for the comparison. Use gen_condjump.
3926 (mips_output_conditional_branch): Rework interface to take the
3927 asm templates for a direct branch and the inverse of a direct branch.
3928 (mips_output_order_conditional_branch): New function.
3929 (mips_builtin_branch_and_move): New function.
3930 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3931 branch condition. Use gen_single_cc as the condition for
3932 __builtin_mips_upper_* or __builtin_mips_lower_*.
3933 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3934 Use VOIDmode for the branch condition.
3935 * config/mips/predicates.md (order_operator): New predicate.
3936 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3937 (branch_fp): Rename to...
3938 (*branch_fp): ...this. Remove mode from comparison operator.
3939 Use new mips_output_conditional_branch interface.
3940 (branch_fp_inverted): Rename to...
3941 (*branch_fp_inverted): ...this and update as for *branch_fp.
3942 (*branch_zero<mode>): Rename to...
3943 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3944 Use mips_output_order_conditional_branch. Only accept ordered
3946 (*branch_zero<mode>_inverted): Rename to...
3947 (*branch_order<mode>_inverted): ...this and update as for
3948 *branch_order<mode>.
3949 (*branch_equality<mode>): Accept zero as the second operand to
3950 the equality operator. Use the new mips_output_conditional_branch
3952 (*branch_equality<mode>_inverted): Likewise.
3953 (condjump): New expander.
3954 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3956 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3957 (bc1any2t, bc1any2f): Likewise.
3958 (single_cc): New expander.
3959 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3961 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3963 * doc/md.texi: Update documentation of MIPS constraints.
3964 * config/mips/constraints.md: New file.
3965 * config/mips/mips.md: Include it.
3966 * config/mips/mips.c (mips_char_to_class): Delete.
3967 (override_options): Don't initialize mips_char_to_class.
3968 * config/mips/mips.h (mips_char_to_class): Delete.
3969 (REG_CLASS_FROM_LETTER): Delete.
3970 (CONST_OK_FOR_LETTER_P): Delete.
3971 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3972 (EXTRA_CONSTRAINT_Y): Delete.
3973 (EXTRA_CONSTRAINT_STR): Delete.
3974 (CONSTRAINT_LEN): Delete.
3975 (EXTRA_MEMORY_CONSTRAINT): Delete.
3977 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3979 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3980 original fn's eh regions.
3982 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3984 * fold-const.c (build_range_check): Make sure to use a valid type to
3985 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3988 (range_predecessor): New static function.
3989 (range_successor): Likewise.
3990 (merge_ranges): Use them to compute predecessors and successors of
3993 2006-03-09 Roger Sayle <roger@eyesopen.com>
3996 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3997 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3999 2006-03-08 DJ Delorie <dj@redhat.com>
4001 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4002 (addpsi3): Expand to include memory operands. Remove
4003 reload-specific splits.
4004 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4005 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4006 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4007 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4008 (shift1_qi, shift1_hi, insv): New.
4009 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4010 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4011 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4013 * config/m32c/m32c-protos.h: Update as needed.
4014 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4015 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4016 Fail for unrecognized R* constraints.
4017 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4018 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4019 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4021 (m32c_init_libfuncs): New.
4022 (m32c_legitimate_address_p): Add debug wrapper.
4023 (m32c_rtx_costs): New.
4024 (m32c_address_cost): New.
4025 (conversions): Add 'B' prefix.
4026 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4027 operands, or word regnames for QI operands. 'B' prints bit
4029 (m32c_expand_setmemhi): New.
4030 (m32c_expand_movmemhi): New.
4031 (m32c_expand_movstr): New.
4032 (m32c_expand_cmpstr): New.
4033 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4034 (m32c_expand_neg_mulpsi3): Handle non-ints.
4035 (m32c_cmp_flg_0): New.
4036 (m32c_expand_movcc): New.
4037 (m32c_expand_insv): New.
4038 (m32c_scc_pattern): New.
4039 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4040 a0/a1 out of SIregs.
4041 (STORE_FLAG_VALUE): New.
4042 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4045 * config/m32c/mov.md: Make constraints more liberal.
4046 (zero_extendqihi2): Optimize r0/r1 case.
4047 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4048 * config/m32c/predicates.md (m32c_any_operand): New.
4049 (m32c_nonimmediate_operand): New.
4050 (m32c_hl_operand): New.
4051 (m32c_r3_operand): New.
4054 (memsym_operand): New.
4055 (memimmed_operand): New.
4056 (a_qi_operand): New.
4057 (m32c_eqne_operator): New.
4058 (m32c_1bit8_operand): New.
4059 (m32c_1bit16_operand): New.
4060 (m32c_1mask8_operand): New.
4061 (m32c_1mask16_operand): New.
4062 * config/m32c/blkmov.md: New file.
4063 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4065 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4067 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4068 unsigned to fix signed/unsigned comparison issue in
4069 DWARF2_FRAME_REG_OUT.
4070 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4071 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4073 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4074 of ptr into the ENABLE_CHECKING section.
4076 2006-03-08 Jeff Law <law@redhat.com>
4078 * tree-vrp.c (infer_value_range): Only count pointer uses
4079 and dereferences if -fdelete-null-pointer-checks is enabled.
4081 * tree-vrp.c (find_assert_locations): Infer value ranges for
4082 single use pointers, but do not create ASSERT_EXPRs for them.
4083 When a non-null range is inferred for a pointer, backwards
4084 propagate that range to other equivalent pointers through the
4087 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4090 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4091 language hook targets.
4092 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4093 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4094 if language hook targets were missing.
4096 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4098 * tree-ssa-opfinalize.h: Removed.
4099 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4101 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4102 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4103 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4104 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4105 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4106 finalize_ssa_v_must_def_ops): New.
4108 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4110 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4113 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4115 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4117 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4118 addresses with offsets; reorganize.
4120 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4121 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4122 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4124 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4127 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4129 2006-03-08 Ben Elliston <bje@au.ibm.com>
4131 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4133 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4136 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4139 2006-03-07 Richard Guenther <rguenther@suse.de>
4141 PR tree-optimization/26587
4142 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4144 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4146 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4148 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4150 * hooks.c (hook_bool_mode_rtx_true): New function.
4151 * hooks.h (hook_bool_mode_rtx_true): Declare.
4152 * toplev.c (compile_file): Call output_shared_constant_pool.
4153 * varasm.c (shared_constant_pool): New variable.
4154 (assemble_start_function, assemble_end_function): Remove arguments
4155 from call to output_constant_pool.
4156 (create_constant_pool): New function, split out from...
4157 (init_varasm_status): ...here.
4158 (force_const_mem): Choose between the shared and per-function constant
4159 pools. Set current_function_uses_const_pool when reusing old entries
4160 as well as when creating new ones.
4161 (mark_constant): Ignore data argument.
4162 (mark_constants): Remove pool argument.
4163 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4164 to decide whether the function uses a constant pool.
4165 (output_constant_pool_contents): New function, split out from...
4166 (output_constant_pool): ...here.
4167 (output_shared_constant_pool): New function.
4168 (init_varasm_once): Initialize shared_constant_pool.
4169 * output.h (output_constant_pool): Delete.
4170 (output_shared_constant_pool): Declare.
4171 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4172 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4174 2006-03-06 Nick Clifton <nickc@redhat.com>
4176 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4177 flag_strength_reduce.
4179 2006-03-06 Ben Elliston <bje@au.ibm.com>
4181 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4182 x86_64-*-linux* configurations.
4184 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4185 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4187 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4189 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4191 * basic-block.h: Remove the extern for
4192 rediscover_loops_after_threading.
4194 * cfgloop.c (cancel_loop): Make it static.
4195 * cfgloop.h: Remove the prototype for cancel_loop.
4197 * flow.c (recompute_reg_usage): Make it static.
4198 * rtl.h: Remove the prototype for recompute_reg_usage.
4200 * function.c (use_return_register): Make it static.
4201 * function.h: Remove the prototype.
4203 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4205 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4207 * recog.h: Remove the prototype for
4208 validate_change_maybe_volatile.
4210 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4212 * rtlanal.c (replace_reg): Remove.
4213 * rtl.h: Remove the prototype for replace_reg.
4215 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4217 * regclass.c (reg_scan_update): Remove.
4218 (reg_scan_mark_refs): Remove the last argument.
4219 * rtl.h: Remove the prototype for reg_scan_update.
4221 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4223 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4224 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4225 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4226 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4227 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4228 loop-invariant.c, omp-low.c, opts.c, passes.c,
4229 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4230 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4231 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4232 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4233 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4234 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4236 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4238 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4239 * dwarf2out.h: Remove the prototype for
4240 dwarf2out_add_library_unit_info.
4242 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4244 * tree.c (add_var_to_bind_expr): Remove.
4245 * tree.h: Remove the prototype for add_var_to_bind_expr.
4247 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4249 * regclass.c (n_non_fixed_regs): Remove.
4250 (init_reg_sets_1, globalize_reg): Remove all uses of
4252 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4254 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4256 * rtlanal.c (insns_safe_to_move_p): Remove.
4257 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4259 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4261 * expmed.c (expand_mult_add): Remove.
4262 * expr.h: Remove the prototype for expand_mult_add.
4264 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4266 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4267 and REG_SAVED_VAL_EXP constants.
4268 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4269 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4270 Handle regs stored by value.
4271 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4272 (execute_cfa_program): Handle DW_CFA_val_offset,
4273 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4274 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4275 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4276 (uw_install_context_1): Handle target regs stored by value.
4278 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4280 * tree-sra.c (tree_sra): Return todoflags;
4281 (generate_one_element): Set TODO_update_smt_usage if needed.
4282 (pass_sra): Remove TODO_update_smt_usage.
4283 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4285 (tree_ssa_forward_propagate_single_use_vars): Return
4286 TODO_update_smt_usage if we need to update SMT usage.
4287 (pass_forwprop): Remove TODO_update_smt_usage.
4289 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4291 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4292 (correct_use_link): Remove reference to get_stmt_operands.
4293 (update_stmt_operands): Likewise.
4294 (get_modify_expr_operands): New function factored out of
4295 parse_ssa_operands and get_expr_operands.
4296 Try to create V_MUST_DEFs for LHS by default.
4297 (get_expr_operands) <case MODIFY_EXPR>: Call
4298 get_modify_expr_operands.
4299 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4300 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4301 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4302 get_modify_expr_operands.
4304 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4306 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4307 * tree-flow.h: Remove the prototype for
4308 referenced_var_lookup_if_exists.
4310 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4312 PR rtl-optimization/26345
4314 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4316 2006-03-03 Roger Sayle <roger@eyesopen.com>
4318 PR tree-optimization/26524
4319 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4320 fold_convert to create a constant of the appropriate type.
4322 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4324 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4325 SYMBOL_REF_IN_BLOCK_P.
4326 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4327 of SYMBOL_FLAG_IN_BLOCK.
4328 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4329 instead of SYMBOL_REF_IN_BLOCK_P.
4330 * explow.c (use_anchored_address): Likewise.
4331 * rtl.c (rtx_size): Likewise.
4332 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4333 instead of SYMBOL_FLAG_IN_BLOCK.
4334 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4335 SYMBOL_REF_IN_BLOCK_P.
4336 (assemble_variable): Likewise.
4337 (output_constant_def_contents): Likewise.
4338 (output_constant_pool): Likewise.
4339 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4340 instead of SYMBOL_FLAG_IN_BLOCK.
4341 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4342 SYMBOL_REF_IN_BLOCK_P.
4343 (SYMBOL_REF_BLOCK): Likewise.
4344 (SYMBOL_REF_OFFSET): Likewise.
4345 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4346 SYMBOL_REF_IN_BLOCK_P.
4347 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4348 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4349 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4350 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4352 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4354 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4356 2006-03-02 Roger Sayle <roger@eyesopen.com>
4358 * simplify-rtx.c (simplify_unary_operation): When simplifying
4359 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4360 that we perform the right shift in the appropriate mode, and
4361 then extend or truncate the result to requested mode.
4363 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4365 * gengtype.c (main): Handle double_int type.
4366 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4367 * double-int.c: New file.
4368 * double-int.h: New file.
4369 * system.h: Include doubleint.h.
4370 * Makefile.in (SYSTEM_H): Include double-int.h.
4371 (double-int.o): Add.
4373 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4376 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4379 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4381 * tree-vrp.c (remove_range_assertions): Do not update statements
4384 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4386 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4388 * gcse.c (rest_of_handle_gcse): Ditto.
4389 * except.c (gate_handle_eh): Ditto.
4390 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4391 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4393 2006-03-02 Eric Christopher <echristo@apple.com>
4395 * config/i386/i386.c (machopic_output_stub): Add indirection to
4398 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4402 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4404 Sun Niagara specific optimizations.
4405 * config.gcc: Recognize niagara as target.
4406 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4407 (TARGET_CPU_niagara): Define.
4408 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4409 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4410 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4411 (ASM_CPU_SPEC): Likewise.
4412 (PROCESSOR_NIAGARA): New enum entry.
4413 (REGISTER_MOVE_COST): Handle Niagara.
4414 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4415 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4416 (sparc_override_options): Recognize "niagara", set appropriate
4417 default MASK_* values for it, and align functions to 32-bytes
4418 by default just like ULTRASPARC/ULTRASPARC3.
4419 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4420 (sparc64_initialize_trampoline): Likewise.
4421 (sparc_use_sched_lookahead): Use zero for niagara.
4422 (sparc_issue_rate): Use one for niagara.
4423 * config/sparc/niagara.md: New file.
4424 * config/sparc/sparc.md: Include it.
4425 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4426 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4427 when default cpu is niagara.
4428 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4429 (ASM_CPU_SPEC): Likewise.
4430 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4431 when default cpu is niagara.
4432 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4433 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4434 just like v9/ultrasparc/ultrasparc3.
4435 * doc/invoke.texi: Add documentation for "niagara" and improve
4436 existing documentation for ultrasparc variants.
4438 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4440 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4442 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4444 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4445 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4446 and say that only one is needed.
4447 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4448 * target.h (have_switchable_bss_sections): New hook.
4449 * explow.c (use_anchored_address): Check that the symbol is in a block.
4450 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4451 (bss_noswitch_section): New variables.
4452 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4453 (get_noswitch_section): New function.
4454 (get_block_for_section): Allow SECT to be null.
4455 (unlikely_text_section_p): Use SECTION_STYLE.
4456 (bss_initializer_p): New function.
4457 (get_variable_section): Move earlier in file. Take a new argument,
4458 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4459 Return one of the new *_sections in such cases.
4460 (get_block_for_decl): New function, extracting some logic from
4461 use_blocks_for_decl_p.
4462 (change_symbol_section): Remove in favor of...
4463 (change_symbol_block): ...this new function.
4464 (use_blocks_for_decl_p): Remove checks now performed by
4466 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4467 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4468 (emit_local, emit_bss, emit_common): ...these new functions.
4469 Return true if the alignment was honored.
4470 (emit_tls_common): New function.
4471 (asm_emit_uninitialised): Delete.
4472 (assemble_variable_noswitch): New function, split out from...
4473 (assemble_variable): ...here. Don't make decisions about common
4474 variables here. Globalize all public decls that go into non-common
4475 sections. Check whether SYMBOL_REF_BLOCK is null.
4476 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4477 (output_constant_pool): Likewise.
4478 (init_varasm_once): Initialize the new section variables.
4479 (have_global_bss_p): New function.
4480 (categorize_decl_for_section): Use bss_initializer_p.
4481 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4482 (place_block_symbol): Assert that the symbol must be in a block.
4483 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4484 (TARGET_INITIALIZER): Include it.
4485 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4486 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4487 (SECTION_MACH_DEP): Bump by two.
4488 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4489 (unnamed_section): Mention SECTION_UNNAMED in comment.
4490 (named_section): Likewise SECTION_NAMED.
4491 (noswitch_section_callback): New type.
4492 (noswitch_section): New structure.
4493 (section): Add a noswitch_section alternative.
4494 (SECTION_STYLE): New macro.
4495 (tls_comm_section, comm_section, lcomm_section): Declare.
4496 (bss_noswitch_section, have_global_bss_p): Declare.
4497 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4498 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4500 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4501 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4504 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4506 * gcc/tree-vrp.c (execute_vrp): Return value.
4507 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4508 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4509 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4510 (tree_lower_complex_O0): Ditto.
4511 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4512 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4513 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4514 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4515 (execute_tail_calls): Ditto.
4516 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4517 * gcc/tree.h (init_function_for_compilation): Ditto.
4518 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4519 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4520 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4521 * gcc/final.c (compute_alignments): Ditto.
4522 (rest_of_handle_final): Ditto.
4523 (rest_of_handle_shorten_branches): Ditto.
4524 (rest_of_clean_state): Ditto.
4525 * gcc/omp-low.c (execute_expand_omp): Ditto.
4526 (execute_lower_omp): Ditto.
4527 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4528 * gcc/ipa-reference.c (static_execute): Ditto.
4529 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4530 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4531 (rest_of_handle_machine_reorg): Ditto.
4532 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4533 * gcc/flow.c (recompute_reg_usage): Ditto.
4534 (rest_of_handle_remove_death_notes): Ditto.
4535 (rest_of_handle_life): Ditto.
4536 (rest_of_handle_flow2): Ditto.
4537 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4538 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4539 (do_ssa_store_ccp): Ditto.
4540 (execute_fold_all_builtins): Ditto.
4541 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4542 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4543 * gcc/ipa-pure-const.c (static_execute): Ditto.
4544 * gcc/cse.c (rest_of_handle_cse): Ditto.
4545 (rest_of_handle_cse2): Ditto.
4546 * gcc/web.c (rest_of_handle_web): Ditto.
4547 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4548 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4549 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4550 * gcc/tree-nrv.c (tree_nrv): Ditto.
4551 (execute_return_slot_opt): Ditto.
4552 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4553 (create_structure_vars): Ditto.
4554 * gcc/loop-init.c (rtl_loop_init): Ditto.
4555 (rtl_loop_done): Ditto.
4556 (rtl_move_loop_invariants): Ditto.
4557 (rtl_unswitch): Ditto.
4558 (rtl_unroll_and_peel_loops): Ditto.
4559 (rtl_doloop): Ditto.
4560 * gcc/gimple-low.c (lower_function_body): Ditto.
4561 (mark_used_blocks): Ditto.
4562 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4563 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4564 (cgraph_early_inlining): Ditto.
4565 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4566 * gcc/jump.c (cleanup_barriers): Ditto.
4567 (purge_line_number_notes): Ditto.
4568 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4569 (rest_of_handle_if_after_reload): Ditto.
4570 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4571 (tree_ssa_loop_im): Ditto.
4572 (tree_ssa_loop_unswitch): Ditto.
4573 (tree_vectorize): Ditto.
4574 (tree_linear_transform): Ditto.
4575 (tree_ssa_loop_ivcanon): Ditto.
4576 (tree_ssa_empty_loop): Ditto.
4577 (tree_ssa_loop_bounds): Ditto.
4578 (tree_complete_unroll): Ditto.
4579 (tree_ssa_loop_prefetch): Ditto.
4580 (tree_ssa_loop_ivopts): Ditto.
4581 (tree_ssa_loop_done): Ditto.
4582 * gcc/predict.c (tree_estimate_probability): Ditto.
4583 * gcc/recog.c (split_all_insns_noflow): Ditto.
4584 (rest_of_handle_peephole2): Ditto.
4585 (rest_of_handle_split_all_insns): Ditto.
4586 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4587 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4588 (rest_of_handle_stack_adjustments): Ditto.
4589 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4590 * gcc/function.c (instantiate_virtual_regs): Ditto.
4591 (init_function_for_compilation): Ditto.
4592 (rest_of_handle_check_leaf_regs): Ditto.
4593 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4594 (rest_of_handle_gcse): Ditto.
4595 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4596 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4597 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4598 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4599 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4600 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4601 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4602 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4603 * gcc/except.c (set_nothrow_function_flags): Ditto.
4604 (convert_to_eh_region_ranges): Ditto.
4605 (rest_of_handle_eh): Ditto.
4606 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4607 (remove_unnecessary_notes): Ditto.
4608 * gcc/except.h (set_nothrow_function_flags): Ditto.
4609 (convert_to_eh_region_ranges): Ditto.
4610 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4611 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4612 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4613 (execute_fre): Ditto.
4614 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4615 (rest_of_handle_jump2): Ditto.
4616 * gcc/tree-sra.c (tree_sra): Ditto.
4617 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4618 (execute_mudflap_function_decls): Ditto.
4619 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4620 (do_store_copy_prop): Ditto.
4621 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4622 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4623 * gcc/tree-ssa-forwprop.c
4624 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4625 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4626 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4627 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4628 (execute_late_warn_uninitialized): Ditto.
4629 * gcc/rtl.h (cleanup_barriers): Ditto.
4630 (split_all_insns_noflow): Ditto.
4631 (purge_line_number_notes): Ditto.
4632 (unshare_all_rtl): Ditto.
4633 (remove_unnecessary_notes): Ditto.
4634 (recompute_reg_usage): Ditto.
4635 (variable_tracking_main): Ditto.
4636 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4637 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4638 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4639 (execute_free_cfg_annotations): Ditto.
4640 (execute_fixup_cfg): Ditto.
4641 (execute_cleanup_cfg_pre_ipa): Ditto.
4642 (execute_cleanup_cfg_post_optimizing): Ditto.
4643 (execute_init_datastructures): Ditto.
4644 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4645 * gcc/combine.c (rest_of_handle_combine): Ditto.
4646 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4647 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4648 (rest_of_handle_reorder_blocks): Ditto.
4649 (rest_of_handle_partition_blocks): Ditto.
4650 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4651 * gcc/tree-profile.c (tree_profiling): Ditto.
4652 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4653 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4654 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4655 (rest_of_handle_sched2): Ditto.
4656 * gcc/basic-block.h (free_bb_insn): Ditto.
4657 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4658 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4659 (remove_useless_stmts): Ditto.
4660 (split_critical_edges): Ditto.
4661 (execute_warn_function_return): Ditto.
4662 (execute_warn_function_noreturn): Ditto.
4663 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4664 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4665 * gcc/passes.c (execute_one_pass): Run additional
4666 todos returned by execute function.
4667 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4670 2006-03-02 Richard Guenther <rguenther@suse.de>
4672 * tree-ssa-alias.c (find_used_portions): Consider taking
4673 the address as making the variable not write-only.
4675 2006-03-02 Nick Clifton <nickc@redhat.com>
4677 * config.gcc (default_use_cxa_atexit): Extend the description of
4678 this configure variable. Set its default value to "yes" for
4679 Linux, NetBSD and ELF targets on the assumption that they will
4680 use C libraries with the __cxa_atexit function.
4682 2006-03-02 Ben Elliston <bje@au.ibm.com>
4684 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4685 parameter as unused to suppress a build warning.
4687 2006-03-02 Ben Elliston <bje@au.ibm.com>
4689 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4692 2006-03-01 Roger Sayle <roger@eyesopen.com>
4695 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4696 declared name, the weak reference name, and the typeof name.
4697 (__gthrw): Avoid expanding the declared name suffix.
4698 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4700 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4702 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4704 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4705 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4706 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4707 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4708 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4709 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4710 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4711 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4712 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4713 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4714 (DW_END_default, DW_END_big, DW_END_little): New.
4715 (DW_END_lo_user, DW_END_hi_user): Define.
4716 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4717 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4718 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4721 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4723 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4725 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4727 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4729 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4731 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4732 to 'symbol_mem_tag'.
4734 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4737 2006-03-01 Roger Sayle <roger@eyesopen.com>
4739 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4741 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4744 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4745 MACHO_DYNAMIC_NO_PIC_P.
4746 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4748 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4751 * config/darwin-protos.h (darwin_asm_output_anchor):
4753 * config/darwin-sections.def (cstring_section):
4754 Add SECTION_MERGE to the flags.
4755 (literal4_section): Likewise.
4756 (literal8_section): Likewise.
4757 (objc_selector_refs_section): Likewise.
4758 (objc_cls_refs_section): Likewise.
4759 * config/darwin.c (darwin_asm_output_anchor): New
4761 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4763 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4765 Fix PR tree-optimization/26443
4766 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4767 to todo and PROP_tmt_usage to properties_destroyed.
4768 * tree-ssa-ccp.c (pass_ccp): Ditto.
4769 (pass_store_ccp): Ditto.
4770 * tree-ssa-dom.c (pass_dominator): Ditto.
4772 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4774 * tree-ssa-operands.c: Cleanup whitespace.
4775 (get_asm_expr_operands): Move before first invocation.
4776 (get_indirect_ref_operands): Likewise.
4777 (get_tmr_operands): Likewise.
4778 (get_call_expr_operands): Likewise.
4779 (append_def): Likewise.
4780 (append_use): Likewise.
4781 (append_v_may_def): Likewise.
4782 (append_v_must_def): Likewise.
4783 (add_call_clobber_ops): Likewise.
4784 (add_call_read_ops): Likewise.
4785 (add_stmt_operand): Likewise.
4786 (add_virtual_operand): Likewise.
4787 (build_ssa_operands): Likewise.
4789 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4794 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4795 with a call expr to ...
4796 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4798 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4800 * tree-vrp.c (extract_range_from_assert): Remove special
4801 handling for types with super-types.
4803 2006-03-01 Ben Elliston <bje@au.ibm.com>
4805 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4806 and powerpc64-*-linux* configurations.
4807 * config/t-dfprules: New file.
4809 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4810 Compile dfp-bit.c from the source directory using -DWIDTH and
4811 $DFP_CFLAGS to control the compilation of that file, rather than
4812 generating width-specific versions in the build directory.
4813 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4814 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4816 2006-02-28 Zack Weinberg <zackw@panix.com>
4818 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4821 2006-02-28 Eric Christopher <echristo@apple.com>
4823 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4824 Set up IN_LIBGCC definition of TARGET_64BIT.
4825 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4827 2006-02-28 Roger Sayle <roger@eyesopen.com>
4830 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4831 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4832 cases via the construction of "expr != 0".
4834 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4836 * alias.c (alias_invariant, alias_invariant_size): Remove.
4837 (record_base_value): Remove.
4838 (memrefs_conflict_p): Don't look at alias_invariant.
4839 (end_alias_analysis): Don't free it.
4840 * alias.h (record_base_value): Remove prototype.
4842 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4843 Adam Nemet <anemet@caviumnetworks.com>
4845 * rtl.h (truncated_to_mode): Declare it.
4846 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4847 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4848 (RTL_HOOKS_INITIALIZER): Include it.
4849 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4850 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4851 reg_truncated_to_mode.
4852 * rtlanal.c (truncated_to_mode): Define it.
4853 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4855 2006-02-28 Jeff Law <law@redhat.com>
4857 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4858 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4859 the range allowed by TYPE_PRECISION.
4861 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4863 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4865 PR tree-optimization/26419
4866 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4869 2006-02-27 Zack Weinberg <zackw@panix.com>
4871 * doc/md.texi: Fix typo in previous change.
4873 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4877 2006-02-27 Zack Weinberg <zackw@panix.com>
4879 * rtl.def (define_constraint, define_register_constraint)
4880 (define_memory_constraint, define_address_constraint): New MD forms.
4881 * gensupport.c (process_rtx): Put define_constraint etc on the
4883 * genpreds.c (process_define_predicate): Adjust comment. Validate
4884 the name, and call validate_exp to validate the expression.
4885 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4886 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4887 all callers changed.
4888 (validate_exp, needs_variable, struct constraint_data)
4889 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4890 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4891 (const_dbl_constraints, constraint_max_namelen)
4892 (have_register_constraints, have_memory_constraints)
4893 (have_address_constraints, have_address_constraints)
4894 (have_extra_constraints, have_const_int_constraints)
4895 (have_const_dbl_constraints, mangle, add_constraint)
4896 (process_define_constraint, process_define_register_constraint)
4897 (write_enum_constraint_num, write_lookup_constraint)
4898 (write_insn_constraint_len, write_regclass_for_constraint)
4899 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4900 (write_insn_extra_memory_constraint)
4901 (write_insn_extra_address_constraint)
4902 (write_satisfies_constraint_fns): New.
4903 (write_tm_preds_h): If we have new-style constraint definitions,
4904 prototype the functions generated from them, and define the
4905 old constraint interface (still used by generic code) in terms of
4907 (write_insn_preds_c): If we have new-style constraint definitions,
4908 generate all relevant functions from those definitions.
4909 (main): Handle define_constraint etc.
4910 * genoutput.c (struct constraint_data, indep_constraints)
4911 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4912 (mdep_constraint_len): New data structures and functions, defined
4913 #ifdef USE_MD_CONSTRAINTS.
4914 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4915 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4916 use new logic to validate operand constraints against constraint
4918 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4920 * defaults.h: If none of the old-style constraint macros are
4921 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4922 old-style macros; and poison REG_CLASS_FROM_LETTER,
4923 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4925 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4926 * doc/md.texi: Document new constraint-definition mechanism and the
4927 C interface it provides. Remove references to old mechanism
4928 elsewhere in the document.
4929 (Machine Constraints): Use pathnames relative to gcc directory,
4930 i.e. config/ARCH/FILE. Change i386 section to refer to
4931 config/i386/predicates.md; update that section to match docstrings.
4932 * doc/tm.texi: Move all documentation of the old constraint-
4933 definition macros to their own section, clearly mark as obsolete.
4935 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4936 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4938 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4939 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4940 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4942 (splits and peepholes): Use satisfies_constraint_*.
4943 * config/i386/i386.c (memory_address_length)
4944 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4946 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4948 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4949 scalar operation to be put back into the loop.
4951 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4954 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4955 (extract_cie_info): Handle S flag in augmentation string.
4956 (execute_cfa_program): If context->signal_frame, execute also
4957 fs->pc == context->ra instructions.
4958 (uw_frame_state_for): If context->signal_frame, don't subtract one
4959 from context->ra to find FDE.
4960 (uw_update_context_1): Set context->signal_frame to
4962 (_Unwind_GetIPInfo): New function.
4963 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4964 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4966 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4967 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4968 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4969 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4970 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4971 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4972 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4973 x86_64_fallback_frame_state): Set fs->signal_frame.
4974 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4975 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4976 (frob_update_context): Likewise. Workaround missing S flag in
4977 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4978 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4979 Remove the psw_addr + 1 hack.
4981 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4983 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4984 with aggregates here.
4985 (find_func_aliases): Remove code for &<aggregate> from here.
4987 2006-02-26 Roger Sayle <roger@eyesopen.com>
4989 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4990 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4991 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4994 2006-02-26 Roger Sayle <roger@eyesopen.com>
4997 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4999 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5001 * opts.c (decode_options): Do not handle flag_strength_reduce.
5002 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5003 and OPT_fstrength_reduce.
5004 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5005 flag_prefetch_loop_arrays for being nonzero.
5006 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5008 (fprefetch-loop-arrays-rtl): Removed.
5009 (flag_prefetch_loop_arrays): Do not specify the value.
5011 * doc/passes.texi: Update documentation of loop optimizer
5013 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5014 -frerun-loop-opt): Remove.
5016 2006-02-26 Richard Guenther <rguenther@suse.de>
5018 PR tree-optimization/26421
5019 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5020 in function calls that are ADDR_EXPRs as using the whole structure.
5022 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5024 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5025 * tree-pass.h (pass_loop_optimize): Remove.
5026 * passes.c (pass_loop_optimize): Never run it.
5027 * toplev.c (backend_init): Don't call init_loop.
5028 * opts.c (flag_loop_optimize_set): Remove.
5029 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5030 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5031 the old RTL loop optimizer when profiling enabled.
5032 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5033 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5034 pre-headers for the sake of the old RTL loop optimizer.
5035 * Makefile.in: Remove all references to loop.o.
5037 * doc/invoke.texi: Remove all references to -floop-optimize
5038 and -frerun-loop-opt.
5040 2006-02-26 Zack Weinberg <zackw@panix.com>
5042 * doc/md.texi (Machine Constraints): Refer to all files with paths
5043 relative to gcc directory (i.e. config/CPU/file). Add missing
5044 @table @code ... @end table to M32C subsection.
5046 2006-02-26 Roger Sayle <roger@eyesopen.com>
5048 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5050 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5052 2006-02-26 Roger Sayle <roger@eyesopen.com>
5053 James A. Morrison <phython@gcc.gnu.org>
5056 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5057 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5058 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5059 signedness of the shift operation.
5061 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5063 PR tree-optimization/26359
5064 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5066 2006-02-25 Roger Sayle <roger@eyesopen.com>
5068 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5069 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5070 as X == 0, and some symmetry related transformations.
5071 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5073 2006-02-25 Roger Sayle <roger@eyesopen.com>
5076 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5077 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5078 symmetry related transformations. Fold (X^C1) == C2 as
5081 2006-02-25 Juergen Weigert <jw@suse.de>
5082 Richard Guenther <rguenther@suse.de>
5084 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5086 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5088 * combine.c (gen_lowpart_or_truncate): Call
5089 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5091 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5093 * doc/invoke.texi: Move -fopenmp description to "Options for
5095 Remove reference to -lgomp.
5097 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5099 * doc/install.texi: Require GNU tar version 1.14.
5101 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5103 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5104 * doc/invoke.texi (C++ Dialect Options): Document
5105 -fno-use-cxa-get-exception-ptr.
5106 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5107 * configure: Regenerate.
5108 * c.opt (fuse-cxa-get-exception-ptr): New.
5109 * c-opts.c (c_common_handle_option): Handle
5110 OPT_fuse_cxa_get_exception_ptr.
5111 * c-common.c (flag_use_cxa_atexit): Update documentation.
5112 (flag_use_cxa_get_exception_ptr): New.
5113 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5114 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5116 (C_COMMON_OVERRIDE_OPTIONS): New.
5118 2006-02-24 Roger Sayle <roger@eyesopen.com>
5121 * combine.c (try_combine): Explicitly check whether GET_CODE is
5122 a SET or a CLOBBER, instead on checking that it isn't a USE.
5124 2006-02-24 Roger Sayle <roger@eyesopen.com>
5126 * fold-const.c (fold_comparison): New subroutine of fold_binary
5127 containing transformations common to both the equality and
5128 ordering relational operators, factored out of fold_binary.
5129 (fold_binary): Separate out the equality operators (EQ_EXPR
5130 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5131 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5132 transformations common to both.
5133 (fold_div_compare): Fix latent bugs in the previously unreachable
5134 LT_EXPR and GE_EXPR cases.
5136 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5138 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5139 decl libname for clog to __clog on AIX.
5141 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5143 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5146 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5147 output traceback table for thunks. Localise rs6000_stack_info call.
5149 2006-02-23 Roger Sayle <roger@eyesopen.com>
5150 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5152 * gthr-posix.h (__gthrw): Fix typo in comment.
5154 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5156 * doc/cpp.texi (Character sets): Document that we do support
5157 input files to be in any character set.
5159 2006-02-23 Jeff Law <law@redhat.com>
5161 * tree.h (PHI_ARG_NONZERO): Remove.
5162 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5163 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5164 node to the new node.
5166 PR tree-optimization/26425
5167 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5168 min/max, then assume its varying.
5170 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5172 PR rtl-optimization/26316
5173 * rtlanal.c (enum may_trap_p_flags): New.
5174 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5175 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5176 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5177 (may_trap_after_code_motion_p): New function.
5178 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5179 (find_invariant_insn): Use may_trap_after_code_motion_p.
5180 * rtl.h (may_trap_after_code_motion_p): Declare.
5182 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5184 * emit-rtl.c (immed_double_const): Cleanup.
5186 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5188 Fix PR tree-optimization/26376
5189 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5192 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5195 * gimplify.c (omp_add_variable): Guard variable size decl test with
5196 DECL_SIZE (decl) check.
5198 2006-02-23 Richard Guenther <rguenther@suse.de>
5201 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5202 like aggregate types.
5204 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5206 * configure.ac: Add --with{,out}-long-double-128 configure option.
5207 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5208 * configure: Rebuilt.
5209 * config.in: Rebuilt.
5210 * doc/install.texi (Options specification): Document
5211 --with-long-double-128.
5213 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5214 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5215 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5216 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5218 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5220 * config/s390/s390.c (override_options): Handle
5221 TARGET_DEFAULT_LONG_DOUBLE_128.
5223 * config/alpha/alpha.c (override_options): Handle
5224 TARGET_DEFAULT_LONG_DOUBLE_128.
5226 * config/sparc/sparc.c (sparc_override_options): Handle
5227 TARGET_DEFAULT_LONG_DOUBLE_128.
5229 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5231 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5232 (real-install-headers-tar, real-install-headers-cpio)
5233 (real-install-headers-cp): New targets.
5235 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5237 * tree.h (variable_section): Delete.
5238 * varasm.c (variable_section): Delete.
5240 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5242 * install.texi: Add notes on install.texi2html.
5243 (Building in parallel): Do not use footnotes.
5245 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5248 * doc/install.texi (Configuration): Document --disable-libgomp.
5250 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5252 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5254 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5256 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5257 (vec_extractv2df_0_sse): New.
5259 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5261 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5262 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5263 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5264 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5265 to the result of the expression.
5266 (def_cfa_1): Adjust.
5267 (frame_pointer_cfa_offset): Rename to...
5268 (frame_pointer_fb_offset): ... this. Adjust all uses.
5269 (convert_cfa_to_loc_list): Rename to...
5270 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5271 Pass it on to build_cfa_loc.
5272 (compute_frame_pointer_to_cfa_displacement): Rename to...
5273 (compute_frame_pointer_to_fb_displacement): ... this. New
5274 offset parameter. Use it in computation.
5275 (gen_subprogram_die): Compute cfa_fb_offset with the new
5276 macro, and use it to compute the fb loc list and the
5279 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5281 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5282 replaced with register_operand.
5283 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5284 non-DREG is expensive.
5285 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5286 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5289 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5291 * doc/install.texi2html: Use set -e.
5293 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5295 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5296 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5297 * doc/invoke.texi (-fshared-data): Delete.
5298 * common.opt (fshared-data): Delete.
5299 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5300 (assemble_static_space): Remove #if 0 code.
5301 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5302 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5303 * config/cris/cris.h: Remove FIXME.
5305 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5307 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5310 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5313 * combine.c (simplify_shift_const_1): Disable nested shifts
5314 optimization for vector shifts.
5316 2006-02-20 Roger Sayle <roger@eyesopen.com>
5318 PR tree-optimization/26361
5319 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5320 of unsigned integer types.
5322 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5324 * tree-chrec.c (eq_evolutions_p): New.
5325 * tree-chrec.h (eq_evolutions_p): Declared.
5326 * tree-data-ref.c: Fix formatting.
5327 (datadep_stats, dependence_stats): New.
5329 (print_direction_vector): New.
5330 (dump_data_dependence_relation): Use print_direction_vector.
5331 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5332 (compute_subscript_distance): Static.
5333 (initialize_data_dependence_relation): Static. Get the number
5334 of loops surrounding the references from the callers, and initialize
5335 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5336 base_object_differ_p analyzers.
5337 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5338 compute_overlap_steps_for_affine_1_2,
5339 analyze_subscript_affine_affine): Count the classified dependences.
5340 Print a message when a test failed.
5341 (can_use_analyze_subscript_affine_affine): New.
5342 (analyze_siv_subscript): Compute the data dependences on symbolic
5343 scevs that verify can_use_analyze_subscript_affine_affine.
5344 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5345 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5346 Handle symbolic scevs.
5347 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5349 (subscript_dependence_tester): Moved...
5350 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5351 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5352 DDR_SIZE_VECT instead of getting it in parameter.
5353 (subscript_dependence_tester): ... here. Take as a parameter
5354 loop_nest_depth. Call build_classic_dist_vector and
5355 build_classic_dir_vector.
5356 (compute_affine_dependence): Update subscript_dependence_tester
5357 parameters. Update datadep_stats counters. Call
5358 compute_subscript_distance.
5359 (compute_self_dependence): Save the dist and dir vectors. Call
5360 compute_subscript_distance.
5361 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5362 (compute_all_dependences): Reorder parameters as they were before
5363 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5364 compute_subscript_distance. Update the use of
5365 compute_affine_dependence and initialize_data_dependence_relation.
5366 (find_data_references_in_loop): Handle COMPONENT_REF.
5367 (compute_data_dependences_for_loop): Initialize dependence_stats.
5368 Don't call build_classic_dist_vector and build_classic_dir_vector.
5369 Update the parameters of initialize_data_dependence_relation and
5370 compute_all_dependences. Print the statistics from datadep_stats.
5371 (analyze_all_data_dependences): Static. Not used until the pass for
5372 checking the data dependences is contributed.
5373 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5374 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5375 (initialize_data_dependence_relation, compute_affine_dependence,
5376 analyze_all_data_dependences, compute_subscript_distance): Removed.
5377 (print_direction_vector): New.
5378 * lambda.h (gcd): ... here.
5379 (lambda_vector_gcd): Moved here from gcd_vector.
5380 * lambda-code.c (gcd, gcd_vector): Removed.
5381 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5382 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5384 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5386 * ipa-type-escape.c: Tidy some comments and white space.
5387 * tree-ssa-operands.c: Likewise.
5389 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5392 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5393 (dump_decl_name): Do not walk the decl tree chains.
5394 * tree-pass.h (TDF_CHAIN): Remove.
5396 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5398 * Makefile.in (C): Remove
5400 (.PHONY): Remove C and PROTO
5402 2006-02-20 Roger Sayle <roger@eyesopen.com>
5405 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5406 deprecated CHAR_TYPE tree code.
5408 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5410 * configure.ac (target_list): Add install-info, dvi, html.
5411 * configure: Regenerate.
5413 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5414 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5415 treelang/Make-lang.in: Do not use double-colon rules.
5417 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5419 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5420 (TMT_USED_ALONE): New macro.
5421 * tree-pass.h (PROP_tmt_usage): New property.
5422 (TODO_update_tmt_usage): New todo.
5423 * tree-ssa-alias.c (updating_used_alone): New variable.
5424 (recalculate_used_alone): New function.
5425 (compute_may_aliases): Set updating_used_alone, call
5426 recalculate_used_alone.
5427 * tree-sra.c (pass_sra): Note that this pass destroys
5428 PROP_tmt_usage, and add TODO_update_tmt_usage.
5429 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5430 * tree-flow.h (updating_used_alone): Prototype.
5431 (recalculate_used_alone): Ditto.
5432 * passes.c (execute_todo): Add code to set updating_used_alone,
5433 and call recalculate.
5434 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5435 for clobber if used alone, and add assert to verify used_alone
5438 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5440 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5441 for non tls symbols added.
5442 (legitimize_address): Do nothing for PLUS expressions if one of the
5443 addends is a tls symbol reference.
5445 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5449 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5451 * Makefile.in (BOOTSTRAPPING): New.
5452 (quickstrap): New definition if BOOTSTRAPPING=yes.
5454 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5455 * configure.ac: Substitute all_selected_languages with the languages
5456 that were configured. For all the other variables except
5457 lang_specs_files, include all the languages in the tree.
5458 * configure: Regenerate.
5460 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5461 if there is one. Run the commands to run fixincludes in the same
5464 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5465 * doc/install.texi: Document exact conventions for searching target tools.
5466 Document --with-build-time-tools. Document toplevel bootstrap. Document
5467 something more about building an Ada cross-compiler. Don't list GNU Make
5468 requirements which affect all platforms.
5470 2006-02-19 Roger Sayle <roger@eyesopen.com>
5473 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5474 only equivalent if the have both the same mode and precision.
5476 2006-02-20 Ben Elliston <bje@au.ibm.com>
5478 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5480 2006-02-19 Roger Sayle <roger@eyesopen.com>
5481 Steven Bosscher <stevenb.gcc@gmail.com>
5483 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5484 constant pool references to identify stack mode constants.
5485 * rtlanal.c (constant_pool_constant_p): New predicate to check
5486 whether operand is a floating point constant in the pool.
5487 * rtl.h (constant_pool_constant_p): Prototype here.
5488 * loop.c (scan_loop): Avoid hoisting constants from the constant
5489 pool on STACK_REGS targets.
5490 (load_mems): Likewise.
5491 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5492 loads into x87 registers expensive in terms of register pressure.
5494 2006-02-19 Roger Sayle <roger@eyesopen.com>
5496 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5497 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5499 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5501 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5502 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5504 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5506 * doc/invoke.texi: Document -fipa-pta.
5507 * common.opt: Add ipa-pta option.
5508 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5509 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5510 (do_ds_constraint): Ditto.
5511 (get_constraint_for): Only add to referenced_vars if
5512 referenced_vars exists.
5513 (insert_into_field_list): Rewrite to do this unsorted.
5514 (insert_into_field_list_sorted): Rename old insert_into_field_list
5516 (create_function_info_for): Use insert_into_field_list_sorted.
5517 (create_variable_info_for): Rewrite so it uses unsorted version,
5518 since the field list is sorted.
5519 (intra_create_variable_infos): Only add to referenced_vars if
5520 referenced_vars exists.
5521 (ipa_pta_execute): Init heapvars, and delete when done.
5522 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5524 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5526 * doc/install.texi: Add missing `@samp'.
5528 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5530 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5533 2006-02-18 Mark Wielaard <mark@klomp.org>
5535 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5536 who added new 4.1 features, bug fixes and integration support.
5538 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5541 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5544 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5546 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5547 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5548 (copy_insn_1): Likewise. Don't copy each field individually.
5550 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5552 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5553 * rtl.c (rtx_size): Rename variable to...
5554 (rtx_code_size): ...this.
5555 (rtx_size): New function.
5556 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5557 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5559 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5560 * rtl.h (rtx_code_size): New variable.
5561 (rtx_size): Change from a variable to a function.
5562 (RTX_SIZE): Rename to...
5563 (RTX_CODE_SIZE): ...this.
5566 PR tree-optimization/17106
5567 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5568 (Anchored Addresses): New section.
5569 * doc/invoke.texi (-fsection-anchors): Document.
5570 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5571 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5572 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5573 * hooks.c (hook_bool_mode_rtx_false): New function.
5574 * hooks.h (hook_bool_mode_rtx_false): Declare.
5575 * gengtype.c (create_optional_field): New function.
5576 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5577 SYMBOL_REF_IN_BLOCK_P is true.
5578 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5579 (min_anchor_offset, max_anchor_offset): Likewise.
5580 (use_anchors_for_symbol_p): New hook.
5581 * toplev.c (compile_file): Call output_object_blocks.
5582 (target_supports_section_anchors_p): New function.
5583 (process_options): Check that -fsection-anchors is only used on
5584 targets that support it and when -funit-at-a-time is in effect.
5585 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5586 if the decl doesn't have one.
5587 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5588 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5589 of force_const_mem through use_anchored_address.
5590 (expand_expr_constant): New function.
5591 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5592 calling expand_expr for INDIRECT_REF.
5593 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5594 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5595 * expr.h (use_anchored_address): Declare.
5596 * loop-unroll.c: Don't declare rtx vectors here.
5597 * explow.c: Include output.h.
5598 (validize_mem): Call use_anchored_address.
5599 (use_anchored_address): New function.
5600 * common.opt (-fsection-anchors): New switch.
5601 * varasm.c (object_block_htab, anchor_labelno): New variables.
5602 (hash_section, object_block_entry_eq, object_block_entry_hash)
5603 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5604 (use_blocks_for_decl_p, change_symbol_section): New functions.
5605 (get_variable_section): New function, split out from assemble_variable.
5606 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5607 use_blocks_for_decl_p say so. Use change_symbol_section if the
5608 symbol has already been created.
5609 (assemble_variable_contents): New function, split out from...
5610 (assemble_variable): ...here. Don't output any code for
5611 block symbols; just pass them to place_block_symbol.
5612 Use get_variable_section and assemble_variable_contents.
5613 (get_constant_alignment, get_constant_section, get_constant_size): New
5614 functions, split from output_constant_def_contents.
5615 (build_constant_desc): Create a block symbol if use_object_blocks_p
5616 says so. Or into SYMBOL_REF_FLAGS.
5617 (assemble_constant_contents): New function, split from...
5618 (output_constant_def_contents): ...here. Don't output any code
5619 for block symbols; just pass them to place_section_symbol.
5620 Use get_constant_section and get_constant_alignment.
5621 (force_const_mem): Create a block symbol if use_object_blocks_p and
5622 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5623 (output_constant_pool_1): Add an explicit alignment argument.
5624 Don't switch sections here.
5625 (output_constant_pool): Adjust call to output_constant_pool_1.
5626 Switch sections here instead. Don't output anything for block symbols;
5627 just pass them to place_block_symbol.
5628 (init_varasm_once): Initialize object_block_htab.
5629 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5630 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5631 (place_block_symbol, get_section_anchor, output_object_block)
5632 (output_object_block_htab, output_object_blocks): New functions.
5633 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5634 (TARGET_ASM_OUT): Include it.
5635 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5636 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5637 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5638 (TARGET_INITIALIZER): Include them.
5639 * rtl.c (rtl_check_failed_block_symbol): New function.
5640 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5641 (block_symbol, object_block): New structures.
5642 (rtx_def): Add a block_symbol field to the union.
5643 (BLOCK_SYMBOL_CHECK): New macro.
5644 (rtl_check_failed_block_symbol): Declare.
5645 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5646 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5647 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5648 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5649 * output.h (output_section_symbols): Declare.
5650 (object_block): Name structure.
5651 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5652 (default_use_anchors_for_symbol_p): Declare.
5653 * Makefile.in (RTL_BASE_H): Add vec.h.
5654 (explow.o): Depend on output.h.
5655 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5656 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5657 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5658 (rs6000_use_blocks_for_constant_p): New function.
5660 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5662 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5664 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5667 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5670 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5672 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5676 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5679 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5680 instead of DECL_REGISTER.
5682 2006-02-18 Olivier Hainque <hainque@adacore.com>
5685 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5687 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5690 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5691 * opth-gen.awk: Handle Var and InverseMask together.
5692 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5693 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5694 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5695 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5697 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5698 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5699 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5700 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5701 LINUX_DYNAMIC_LINKER): Define.
5702 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5703 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5705 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5706 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5707 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5709 (TARGET_C99_FUNCTIONS): Don't define.
5710 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5711 GLIBC_DYNAMIC_LINKER.
5712 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5713 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5714 GLIBC_DYNAMIC_LINKER64): Define.
5715 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5716 LINUX_DYNAMIC_LINKER64.
5717 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5719 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5720 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5721 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5723 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5724 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5725 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5727 and LINUX_DYNAMIC_LINKER32.
5728 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5729 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5730 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5732 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5734 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5735 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5736 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5737 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5738 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5739 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5740 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5741 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5742 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5743 LINUX_DYNAMIC_LINKER): Define.
5744 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5745 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5746 GLIBC_DYNAMIC_LINKER64): Define.
5747 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5748 LINUX_DYNAMIC_LINKER64.
5749 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5750 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5751 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5752 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5753 LINUX_DYNAMIC_LINKER): Define.
5754 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5755 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5756 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5757 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5758 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5759 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5760 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5761 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5762 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5763 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5764 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5765 * doc/invoke.texi (-muclibc): Remove caveat about supported
5768 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5770 * doc/cpp.texi (__TIMESTAMP__): Document.
5772 2006-02-17 Roger Sayle <roger@eyesopen.com>
5775 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5776 C is one less than the width of X (and related transformations).
5777 * simplify-rtx.c (simplify_unary_operation_1): Transform
5778 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5779 depending on STORE_FLAG_VALUE, were C is one less then the
5782 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5784 Fix PR tree-optimization/26341
5785 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5786 about NAME_MEMORY_TAG's.
5788 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5791 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5792 with hardware float support, and software float support. Add fcpy
5793 alternative to hardware patterns. Add alternatives to copy between
5794 general and floating-point registers to the 32-bit pattern.
5795 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5796 secondary reload to load a QI or HI mode constant into a floating
5798 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5799 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5801 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5804 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5806 (load_macho_picbase_di): Likewise.
5808 2006-02-16 Jeff Law <law@redhat.com>
5810 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5811 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5812 (ssa_name_nonzero_p): Likewise.
5813 (get_value_range): Return NULL if VRP is not running.
5814 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5815 VRP routines do not discover a range.
5816 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5817 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5818 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5819 (tree_expr_nonnegative_p): Similarly.
5820 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5821 (restore_nonzero_vars_to_original_value): Remove.
5822 (unsafe_associative_fp_binop): Remove.
5823 (tree_ssa_dominator_optimize): Remove initialization and
5824 finalization of nonzero_vars and nonzero_vars_stack.
5825 (dom_opt_initialize_block): No longer push marker on
5827 (dom_opt_finalize_block): No longer call
5828 restore_nonzero_vars_to_original_value.
5829 (record_equivalences_from_phis): No longer look for
5830 nonzero PHI arguments.
5831 (cprop_into_successor_phis): No longer propagate nonzero
5832 property into PHI arguments. Lose unused argument. Caller
5834 (record_equivalences_from_stmt): No longer record nonzero
5835 values for SSA_NAMEs.
5836 (lookup_avail_expr): No longer use nonzero_vars.
5838 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5839 for sizetype when sizetype is unsigned.
5841 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5843 PR rtl-optimization/25603
5844 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5845 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5846 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5847 with new meaning of SETS.
5849 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5854 * config/linux.opt: New file.
5855 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5856 LINUX_DYNAMIC_LINKER): Define.
5857 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5858 * config.gcc (*-*-linux*): Define extra_options.
5859 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5860 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5861 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5862 GLIBC_DYNAMIC_LINKER.
5863 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5864 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5865 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5866 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5867 * doc/invoke.texi (GNU/Linux Options): New section.
5869 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5871 * config/sparc/sparc.md (setjmp): Rewrite.
5872 (setjmp_32): Delete.
5873 (setjmp_64): Likewise.
5875 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5877 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5880 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5882 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5885 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5887 PR rtl-optimization/26296
5888 * Makefile.in (loop-invariant.c): Add except.h dependency.
5889 * loop-invariant.c: Include except.h.
5890 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5892 2005-02-16 Paul Brook <paul@codesourcery.com>
5894 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5897 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5899 PR rtl-optimization/25636
5900 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5901 when deciding whether an insn is an initializing insn.
5903 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5905 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5906 (tree_code_size): Ditto.
5907 * tree.h (struct tree_memory_tag): Remove parent_var.
5908 (struct tree_struct_field_tag): New.
5911 (union tree_node): Add sft member.
5912 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5914 (create_sft): Add size and offset argument, set SFT_OFFSET and
5916 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5917 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5918 * tree-flow-inline.h (get_subvar_at): Update for
5919 SFT_OFFSET/SFT_SIZE.
5920 (var_can_have_subvars): Ditto.
5921 (overlap_subvar): Ditto.
5922 * print-tree.c (print_node): Print out interesting things for
5924 * tree-flow.h (struct subvar): Remove offset and size members.
5925 * tree-ssa-operands.c (get_expr_operands): Update for
5926 get_indirect_ref_operands changes.
5927 (get_indirect_ref_operands): Call add_virtual_operand instead of
5928 add_stmt_operand. Only recurse on base var if requested.
5929 (access_can_touch_variable): New function.
5930 (add_stmt_operand): Split virtual operand handling into ...
5931 (add_virtual_operand): Here. Add offset, size, and for_clobber
5932 arguments. Prune alias sets.
5933 (add_call_clobber_ops): Call add_virtual_operand.
5935 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5938 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5940 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5941 than TREE_CODE as index into omp_clause_num_ops array.
5943 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5945 PR rtl-optimization/26184
5946 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5948 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5949 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5950 must_precede, must_follow and tobe_scheduled.
5953 * opts.c (common_handle_option): Free new_option pointer.
5954 * df-core.c (df_analyze): Free postorder pointer.
5956 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5958 * Makefile.in: Fix the examples about the use of stamps
5960 2006-02-15 Michael Matz <matz@suse.de>
5964 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5965 influenced by maximum_field_alignment or DECL_PACKED.
5966 (update_alignment_for_field): Ditto.
5967 (place_field): Ditto.
5968 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5971 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5973 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5974 (debug_flow_info): Pass it.
5975 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5976 * bb-reorder.c (reorder_basic_blocks): Likewise.
5977 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5978 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5979 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5980 * gcse.c (gcse_main, bypass_jumps): Likewise.
5981 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5982 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5983 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5984 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5985 * rtl.h (dump_flow_info): Adjust prototype.
5986 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5987 * var-tracking.c (variable_tracking_main): Likewise.
5988 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5989 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5992 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5994 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5997 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5999 PR tree-optimization/26209
6000 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6001 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6003 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6005 2006-02-14 Roger Sayle <roger@eyesopen.com>
6008 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6009 (X,Y) and the corresponding symmetry related transformations.
6010 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6011 (X,Y) and its symmetry related transformations.
6013 2006-02-14 Roger Sayle <roger@eyesopen.com>
6015 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6018 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6020 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6022 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6025 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6026 support COMDAT group.
6027 * configure: Regenerate.
6029 2006-02-14 Roger Sayle <roger@eyesopen.com>
6034 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6036 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6038 Fix PR tree-optimization/26260
6040 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6042 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6043 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6044 * tree-ssa-structalias.c (create_variable_info_for): Use
6045 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6047 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6049 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6051 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6052 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6053 of the ending condition.
6054 * tree-ssa-loop-manip.c: Include params.h.
6055 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6056 tree_unroll_loop): New functions.
6057 * tree-pass.h (pass_loop_prefetch): Declare.
6058 * loop.c (rest_of_handle_loop_optimize): Test for
6059 -fprefetch-loop-arrays-rtl.
6060 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6061 * timevar.def (TV_TREE_PREFETCH): New timevar.
6062 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6063 pass_loop_prefetch): New.
6064 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6065 (cleanup_tree_cfg_loop): Call scev_reset.
6066 * common.opt (fprefetch-loop-arrays-rtl): Add.
6067 * tree-ssa-loop-prefetch.c: New file.
6068 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6069 (new_temp_expr_table): Initialize expr_vars.
6070 (free_temp_expr_table): Cleanup expr_vars.
6071 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6072 expressions from being merged into one.
6073 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6074 (struct tree_niter_desc): Add control, bound and cmp fields.
6075 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6077 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6078 (tree-cfgcleanup.o): Add SCEV_H dependency.
6079 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6080 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6082 2006-02-14 Richard Guenther <rguenther@suse.de>
6084 PR tree-optimization/26258
6085 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6086 in PHI argument processing.
6088 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6090 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6091 new expression in the requested machine mode.
6093 2006-02-13 Roger Sayle <roger@eyesopen.com>
6095 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6096 directly, instead let do_compare_rtx_and_jump handle this for us.
6097 * expr.c (expand_expr_real_1): Likewise.
6098 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6099 before do_jump_by_parts_greater.
6100 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6101 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6103 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6105 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6107 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6109 PR rtl-optimization/26235
6110 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6111 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6114 2006-02-13 Jeff Law <law@redhat.com>
6116 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6119 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6122 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6123 twice if decl is a builtin. When trying again, call get_callee_fndecl
6124 first to verify it is still a builtin.
6126 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6128 * dwarf2out.c (base_type_die): Don't add AT_name here.
6129 (subrange_type_die): Don't add AT_name here.
6130 (modified_type_die): Rearrange code flow. Do add AT_name here.
6132 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6134 PR rtl-optimization/26247
6135 PR rtl-optimization/26248
6136 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6138 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6140 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6141 * config/fixtfdi.c: Likewise.
6142 * config/fixunstfdi.c: Likewise.
6143 * config/floatditf.c: Likewise.
6145 2006-02-13 Roger Sayle <roger@eyesopen.com>
6148 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6149 into (X,C2) if C1 is a subset of the bits of C2. Transform
6150 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6152 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6154 2006-02-13 Josh Conner <jconner@apple.com>
6157 * varasm.c (function_section): Check for section name before
6158 calling select_section on targets that define
6159 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6160 unlikely_text_section instead of hot_function_section if
6161 first_function_block_is_cold.
6163 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6166 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6168 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6170 PR rtl-optimization/26222
6171 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6172 after tree->rtl expansion.
6173 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6174 before passing it to emit_move_insn.
6176 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6178 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6180 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6181 Clarify documentation.
6182 * c-common.h (warn_write_strings): Remove.
6183 * c-common.c (warn_write_strings): Likewise.
6184 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6187 2006-02-12 Roger Sayle <roger@eyesopen.com>
6190 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6191 (do_jump_parts_zero_rtx): New function renamed from
6192 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6193 (do_jump_parts_equality_rtx): New function split out from
6194 do_jump_parts_equality. Old implementation renamed as above.
6195 Call do_jump_parts_zero_rtx if either operand is zero.
6196 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6197 do all of the heavy lifting.
6198 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6199 calling either do_jump_by_parts_greater_rtx or
6200 do_jump_by_parts_equality_rtx.
6201 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6202 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6203 moved to do_compare_rtx_and_jump, call it directly.
6204 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6205 mode argument. Call do_compare_rtx_and_jump.
6206 (emit_case_nodes): Update calls to do_jump_if_equal.
6208 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6210 PR rtl-optimization/26225
6211 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6213 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6215 PR rtl-optimization/26232
6216 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6218 2006-02-11 Jason Merrill <jason@redhat.com>
6221 * tree-inline.c (declare_return_variable): Just don't use the
6222 modify target if it's a gimple complex reg and the return slot
6225 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6227 * doc/contrib.texi: Update my entry.
6229 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6231 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6233 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6235 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6238 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6240 * doc/invoke.texi (-floop-optimize2): Removed.
6241 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6242 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6243 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6244 * common.opt (floop-optimize2): Removed.
6245 (fmove-loop-invariants): Enabled by default.
6247 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6249 * tree-if-conv.c (combine_blocks): Free the result of
6250 get_loop_exit_edges.
6252 2006-02-10 Jeff Law <law@redhat.com>
6254 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6256 PR tree-optimization/26213
6257 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6258 loop trying to follow SSA_NAME_VALUE chains.
6260 2006-02-10 Richard Guenther <rguenther@suse.de>
6262 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6263 deal with structures that end in implicitly variable sized arrays.
6265 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6267 PR rtl-optimization/24762
6268 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6271 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6273 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6274 (struct ivopts_data): Add regs_used field.
6275 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6276 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6277 instead of loop_data->regs_used;
6278 (free_loop_data): Do not free aux fields for loops.
6279 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6280 and tree_ssa_iv_optimize_finalize.
6282 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6284 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6286 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6289 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6290 computing the effective result type.
6292 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6295 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6296 (tree_overlaps_hard_reg_set): Declare.
6297 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6298 type and signature to match function type expected by walk_tree.
6299 (tree_overlaps_hard_reg_set): New function.
6300 (decl_conflicts_with_clobbers_p): Rename to:
6301 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6302 Use tree_overlaps_hard_reg_set. Changed caller.
6303 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6304 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6305 * cris.c (cris_md_asm_clobbers): Likewise.
6307 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6309 * reload1.c (emit_input_reload_insns): Delete code that tries to
6310 inherit using find_equiv_reg.
6312 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6314 * c-common.h (flag_const_strings): Don't declare.
6315 * c-common.c (flag_const_strings): Remove.
6316 * c.opt (fconst_strings): Remove.
6317 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6318 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6319 (c_common_init_options): Don't set flag_const_strings.
6320 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6322 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6324 * arm.md (tlobits_cbranch): New pattern.
6325 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6326 testing a single bit.
6328 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6331 * tree-ssa-pre.c (create_component_ref_by_pieces):
6332 Handle RETURN_DECL like VAR_DECL.
6334 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6337 * fold-const.c (fold_indirect_ref_1): Fold
6338 "*(foo *)&complexfoo" to "__real__ complexfoo"
6339 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6341 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6343 * tree-flow-inline.h (var_can_have_subvars):
6344 Volatile variables should not have subvariables.
6346 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6349 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6350 multiplying unsigned values.
6353 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6355 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6357 2006-02-08 Jason Merrill <jason@redhat.com>
6360 * tree.def: Elaborate on difference from MODIFY_EXPR.
6361 * doc/c-tree.texi (INIT_EXPR): Likewise.
6362 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6363 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6364 (gimplify_target_expr): Likewise.
6365 (gimplify_cond_expr): Remove target handling.
6366 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6367 (gimplify_expr): Clobber it here.
6368 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6369 Do return slot optimization if we have an INIT_EXPR.
6372 * tree-inline.c (declare_return_variable): Also clear
6373 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6376 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6379 * gimplify.c (gimplify_one_sizepos): Fix typo.
6381 2006-02-08 Jeff Law <law@redhat.com>
6383 PR tree-optimization/21417
6384 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6385 across a backedge if the control statement at the end of the
6386 block is data dependent on other statements in the same block.
6387 (record_temporary_equivalences_from_stmts): Remove over-conservative
6388 test for threading across backedges.
6390 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6391 control statement, handle all three special cases in the same
6392 manner as they all have the same desired solution. No longer
6393 special case edge flag updating when the post dominator is
6396 2006-02-08 Roger Sayle <roger@eyesopen.com>
6398 * tree.def (CHAR_TYPE): Remove.
6399 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6400 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6401 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6402 (gen_string_type_die): Delete unreachable function.
6404 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6405 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6406 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6407 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6408 * builtins.c (type_to_class): Likewise.
6409 * fold-const.c (fold_convert, build_range_check,
6410 merge_ranges): Likewise.
6411 * expr.c (count_type_elements): Likewise.
6412 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6413 * stor-layout.c (layout_type): Likewise.
6414 * ipa-type-escape.c (type_to_consider): Likewise.
6415 * gimplify.c (omp_firstprivatize_type_sizes,
6416 gimplify_type_sizes): Likewise.
6417 * explow.c (promote_mode): Likewise.
6418 * tree-sra.c (is_sra_scalar_type): Likewise.
6419 * varasm.c (output_constant): Likewise.
6420 * tree-inline.c (remap_type_1): Likewise.
6421 * convert.c (convert_to_pointer, convert_to_real,
6422 convert_to_integer, convert_to_complex): Likewise.
6424 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6426 * df-scan.c (df_def_record_1): A set destination may
6427 be a parallel regardless of mode.
6429 2006-02-08 Roger Sayle <roger@eyesopen.com>
6432 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6433 * config/mips/_tilib.c: Remove.
6434 * config/fixtfdi.c: New libgcc source file.
6435 * config/fixunstfdi.c: New source file.
6436 * config/floatditf.c: New source file.
6437 * config/floatunditf.c: New souce file.
6438 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6439 files above instead of config/mips/_tilib.c.
6440 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6442 2006-02-08 Jeff Law <law@redhat.com>
6444 PR tree-optimization/26169
6445 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6448 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6450 * df.h (DF_REG_SIZE): Return the length of the initialized
6453 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6455 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6456 __muldf3): Return a correctly signed zero.
6458 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6460 * passes.c (register_one_dump_file): Accept the current properties
6461 instead of pass number. Adjust call to dump_register. Remove
6463 (register_dump_files): Now a wrapper around...
6464 (register_dump_files_1): ... this one. Do not modify the pass
6466 (next_pass_1): Cosmetic fix.
6467 (execute_todo): Keep second parameter only. Use curr_properties
6468 instead of fetching it from the pass structure. Check and set
6470 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6471 instead of fetching it from the pass structure. Fix calls to
6472 execute_todo. Update curr_properties and initialize .vcg RTL dump
6473 after running the pass. Reset last_verified.
6474 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6476 (FIRST_AUTO_NUMBERED_DUMP): New.
6477 (dump_register): Remove "num" parameter, assign it within the
6479 (get_dump_file_name): Modify template for dumps.
6480 * tree-dump.h (dump_register): Adjust prototype.
6481 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6482 (PROP_trees): Add PROP_gimple_lomp.
6483 (TODO_set_props): New.
6484 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6485 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6486 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6488 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6490 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6491 (sparc64-*-linux*): Likewise.
6492 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6493 * config/sparc/t-linux: New file.
6494 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6495 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6496 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6497 -m32 -mlong-double-128.
6499 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6500 * config/alpha/t-linux: New file.
6501 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6503 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6504 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6505 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6506 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6507 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6508 (CPP_ARCH32_SPEC): Remove.
6510 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6512 PR tree-optimization/26145
6513 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6516 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6519 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6520 >= 240000 when generating code for SOM runtime.
6521 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6522 to $$dyncall when generating code for SOM runtime..
6524 2006-02-07 Dirk Mueller <dmueller@suse.com>
6527 * doc/invoke.texi (-Wsequence-point): Update documentation
6528 that -Wsequence-point is implemented for C++ as well.
6530 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6532 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6533 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6534 (LIB_SPEC): Likewise.
6535 * doc/invoke.texi (SPARC options): Document -pthread.
6537 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6539 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6542 2006-02-07 Roger Sayle <roger@eyesopen.com>
6544 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6545 Correct comment describing BOOLEAN_TYPE.
6547 2006-02-07 Dirk Mueller <dmueller@suse.com>
6549 * c.opt: C++ frontend supports -Wdiv-by-zero.
6550 * c-opts.c (c_common_handle_option): Remove dead case.
6552 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6554 * configure.ac (TLS assembler check): Do not enable TLS by
6555 default on SPARC/Solaris before version 10.
6556 * configure: Regenerate.
6558 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6560 * doc/invoke.texi (xl-compat): Document conversion and support
6563 2006-02-07 Jeff Law <law@redhat.com>
6565 * tree-vrp.c (find_conditional_asserts): Update comments.
6566 (simplify_stmt_for_jump_threading): New.
6567 (identify_jump_threads, finalize_jump_threads): New.
6568 (vrp_finalize): Call identify_jump_threads.
6569 (execute_vrp): Call finalize_jump_threads.
6570 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6571 (vrp_element, vrp_data, vrp_element_p): Remove.
6572 (vrp_hash_elt, vrp_variables_stack): Remove.
6573 (vrp_hash, vrp_eq, record_range): Remove.
6574 (simplify_cond_and_lookup_avail_expr): Remove.
6575 (extract_range_from_cond): Remove.
6576 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6577 (simplify_stmt_for_jump_threading): New.
6578 (dom_thread_across_edge): New wrapper.
6579 (tree_ssa_dominator_optimize): No longer initialize or
6580 finalize any of the VRP datastructures. Remove iteration
6581 step and simplify as a result of removal of iteration step.
6582 (pass_dominator): Perform a cfg cleanup after DOM.
6583 (dom_opt_finalize_block): Use the new common routines
6584 for threading jumps. Simplify stack management slightly.
6585 No longer need to unwind VRP state.
6586 (record_equivalences_from_incoming_edge): No longer record
6588 (eliminate_redundant_computations): No longer call
6589 simplify_cond_and_lookup_avail_expr.
6590 * tree-flow.h (potentially_threadable_block): Prototype.
6591 (thread_across_edge): Likewise.
6592 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6593 (tree-ssa-threadedge.o): Add dependencies.
6594 * tree-ssa-threadedge.c: New file.
6595 * passes.c (init_optimization_passes): Merge PHIs before
6596 calling VRP. Run VRP again late in the SSA optimization pipeline.
6598 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6600 * df-core.c (df_set_blocks): Do not dereference function pointers.
6601 (df_finish1): Likewise.
6602 (df_hybrid_search_forward): Likewise.
6603 (df_hybrid_search_backward): Likewise.
6604 (df_iterative_dataflow): Likewise.
6605 (df_analyze_problem): Likewise.
6606 (df_compact_blocks): Likewise.
6607 (df_dump): Likewise.
6608 * df-scan.c (df_rescan_blocks): Likewise.
6609 (df_record_entry_block_defs): Likewise.
6611 * genconditions.c (write_conditions): Guard the definition of
6612 'insn_conditions' with the check on GCC version.
6613 (write_writer): Guard the traversal 'insn_conditions' with
6614 the check on GCC version.
6616 2006-02-07 Richard Guenther <rguenther@suse.de>
6620 2006-01-30 Richard Guenther <rguenther@suse.de>
6622 * gimplify.c (gimplify_target_expr): Handle easy cases
6623 without creating a temporary.
6625 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6627 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6628 use of float in probability computations. Use edge probabilities
6629 in place of statically computed probabilities.
6630 (min_spec_prob): New static variable.
6631 (schedule_insns): Initialize it.
6632 (GET_SRC_PROB): Removed.
6633 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6635 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6638 * config/ia64/unwind-ia64.c: Revert last change.
6639 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6640 (INCOMING_FRAME_SP_OFFSET): Define.
6642 2006-02-06 Roger Sayle <roger@eyesopen.com>
6644 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6646 2006-02-07 Ben Elliston <bje@au.ibm.com>
6648 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6649 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6650 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6651 (ix86_return_in_memory): Handle TDmode.
6652 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6653 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6655 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6657 * reorg.c (dbr_schedule): Use dump_file instead of file.
6659 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6662 * config/ia64/predicates.md (extr_len_operand): New predicate.
6663 * config/ia64/ia64.md (extv): Tighten constraints.
6665 (*tbit_and_2): Ditto.
6666 (*tbit_and_3): Ditto.
6667 (*tbit_or_2): Ditto.
6668 (*tbit_or_3): Ditto.
6672 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6675 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6677 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6679 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6680 loop_optimizer_init and loop_optimizer_finalize
6681 * tree-ssa-sink.c (execute_sink_code): Ditto.
6682 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6683 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6684 tree_ssa_loop_done): Ditto.
6685 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6686 * sched-ebb.c: Include output.h.
6687 (schedule_ebbs): Do not use dump argument.
6688 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6689 * loop.c (loop_dump_stream): Removed.
6690 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6692 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6693 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6694 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6695 loop_iterations, strength_reduce, record_biv, record_giv,
6696 final_giv_value, check_final_value, check_ext_dependent_givs,
6697 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6698 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6699 dump_file instead of loop_dump_stream.
6700 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6702 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6704 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6705 * haifa-sched.c: Include output.h
6706 (schedule_insns, sched_init): Do not use dump argument.
6707 * mode-switching.c (optimize_mode_switching): Ditto.
6708 * modulo-sched.c (stats_file): Removed.
6709 (print_node_sched_params): Do not call argument dump_file.
6710 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6711 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6713 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6715 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6716 rtl_loop_init, rtl_loop_done): Ditto.
6717 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6718 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6720 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6721 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6722 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6723 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6724 * emit-rtl.c (renumber_insns): Ditto.
6725 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6726 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6727 * regclass.c (regclass): Ditto.
6728 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6729 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6730 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6731 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6733 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6734 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6736 * gcse.c (gcse_file, debug_stderr): Removed.
6737 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6738 rest_of_handle_gcse): Do not use dump argument.
6739 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6740 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6741 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6742 compute_code_hoist_vbeinout, compute_code_hoist_data,
6743 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6744 compute_store_table, build_store_vectors, insert_insn_start_bb,
6745 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6746 store_motion): Use dump_file instead of gcse_file.
6747 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6748 * profile.c (profile_dump_file): Removed.
6749 (branch_prob): Use dump_file instead of profile_dump_file.
6750 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6752 * tree-ssa-copy.c (dump_copy_of): Ditto.
6753 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6754 dump file to life_analysis.
6755 * bt-load.c (branch_target_load_optimize): Ditto.
6756 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6758 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6759 regclass, dbr_schedule): Declaration changed.
6760 * sched-int.h (sched_init): Declaration changed.
6761 * tree-profile.c (tree_profile_dump_file): Removed.
6762 (tree_profile_hooks): Removed profile_dump_file hook.
6763 * rtl-profile (rtl_profile_dump_file): Removed.
6764 (rtl_profile_hooks): emoved profile_dump_file hook.
6765 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6767 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6768 * tree-cfg.c (build_tree_cfg): Ditto.
6769 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6770 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6771 Declaration changed.
6772 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6773 life_analysis and schedule_insns.
6774 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6776 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6778 * config/mips/mips.c (mips_reorg): Ditto.
6779 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6782 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6784 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6785 (s390_mangle_fundamental_type): New.
6786 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6789 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6790 (alpha_mangle_fundamental_type): New.
6791 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6794 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6796 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6798 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6799 (sparc_mangle_fundamental_type): New.
6801 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6803 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6804 (s390x-*-linux*): Likewise.
6805 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6806 * config/s390/t-linux: New file.
6808 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6810 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6811 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6813 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6815 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6816 (ANTIC_SAFE_LOADS): New macro.
6817 (find_or_generate_expression): Add prototype.
6818 (set_contains_value): Allow null set for sake of not always having
6819 to allocate ANTIC_SAFE_LOADS.
6820 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6821 Allow COMPONENT_REF too.
6822 (valid_in_set): Allow COMPONENT_REF.
6823 Check ANTIC_SAFE_LOADS too.
6824 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6825 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6827 (can_PRE_operation): Add COMPONENT_REF.
6828 (create_component_ref_by_pieces): New function.
6829 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6830 (insert_aux): Move AGGREGATE_TYPE_P check here.
6831 (compute_avail): Set bb local stmt uids.
6832 (pass_pre): Use TODO_update_ssa_only_virtuals.
6834 2006-02-06 Ben Elliston <bje@au.ibm.com>
6836 * configure.ac: Unconditionally disable decimal float by default.
6837 * configure: Regenerate.
6839 2006-02-06 Ben Elliston <bje@au.ibm.com>
6841 * read-rtl.c (read_name): Terminate reading on EOF.
6843 2006-02-06 Ben Elliston <bje@au.ibm.com>
6845 * dfp.c (decimal_real_arithmetic): Change second argument type
6846 from int to enum tree_code. Do not always return true, but now
6847 return result of any call to decimal_do helper functions.
6848 * dfp.h (decimal_real_arithmetic): Update prototype.
6850 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6852 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6854 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6857 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6860 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6862 * tree-vrp.c (cfg_loops): Removed.
6863 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6864 Use current_loops instead of cfg_loops. Pass flags to
6865 loop_optimizer_init.
6866 * cfgloopmanip.c (fix_loop_structure): Update only available
6868 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6869 loop_optimizer_init.
6870 * modulo-sched.c (build_loops_structure): Removed.
6871 (sms_schedule): Use loop_optimizer_init.
6872 * loop-init.c (loop_optimizer_init): Use flags to determine
6873 which properties of loops to prepare.
6874 (rtl_loop_init): Pass flags to loop_optimizer_init.
6875 * tree-ssa-sink.c (execute_sink_code): Ditto.
6876 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6877 * tree-ssa-pre.c (init_pre): Ditto.
6878 * cfgloop.h (LOOPS_NORMAL): New.
6879 (loop_optimizer_init): Declaration changed.
6881 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6883 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6884 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6886 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6888 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6890 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6891 * pa/t-pa64: Delete quadlib.c rule.
6892 * pa/x-ada: Revert last change.
6893 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6895 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6897 PR rtl-optimization/26087
6898 * rtlanal.c (canonicalize_condition): Do not cross basic block
6901 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6904 * config/ia64/ia64.c: Include debug.h.
6905 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6906 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6907 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6908 (process_epilogue, process_set, process_for_unwind_directive):
6909 Output unwind info only if requested. Add CFA info if requested.
6910 Add new arguments as needed. Adjust callers.
6911 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6913 (DWARF2_FRAME_INFO): Define to zero.
6914 * config/ia64/unwind-ia64.c: Remove code that compensated for
6915 the CFA offset error fixed above.
6916 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6917 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6918 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6919 -funwind-tables and -fexceptions to enable frame info.
6920 (dwarf2out_frame_init): Define initial CFA even if
6921 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6922 DWARF2_UNWIND_INFO is nonzero, not just defined.
6923 (dwarf2out_frame_finish): Output non-EH call frame info only
6924 if DWARF2_FRAME_INFO is nonzero.
6925 (convert_cfa_to_loc_list,
6926 compute_frame_pointer_to_cfa_displacement): Define even if
6927 unwind info is not supported.
6928 (gen_subprogram_die): Use the above unconditionally. Remove
6929 legacy alternate code.
6930 * toplev.c (compile_file): Compile in call to
6931 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6932 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6934 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6935 Jakub Jelinek <jakub@redhat.com>
6937 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6938 IBM extended float format long double as "g" on powerpc*-linux.
6940 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6943 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6944 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6946 2006-02-03 Jason Merrill <jason@redhat.com>
6949 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6952 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6953 on the return slot if it's an NRV.
6955 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6957 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6958 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6959 rewrite_use): Do not handle USE_OUTER.
6960 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6961 add_iv_outer_candidates, may_replace_final_value,
6962 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6963 (find_interesting_uses_op): Functionality of
6964 find_interesting_uses_outer_or_nonlin moved here.
6965 (find_interesting_uses_outside): Use find_interesting_uses_op.
6967 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6970 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6972 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6973 Ulrich Weigand <uweigand@de.ibm.com>
6976 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6977 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6978 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6979 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6981 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6982 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6983 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6984 Define secondary reloads for TFmode moves.
6985 (constant_modes): Add TFmode.
6986 (NR_C_MODES): Set to 8.
6987 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6989 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6990 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6991 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6992 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6993 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6994 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6995 (FPR mode macro): Add TFmode.
6996 (DSF mode macro): New.
6997 (<de>, <dee> mode attributes): Removed.
6998 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6999 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7000 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7001 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7002 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7003 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7004 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7005 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7006 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7007 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7008 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7009 "*negabs<mode>2", "sqrt<mode>2"):
7010 Changed <de> to <xde>. R constraint replaced by <Rf>.
7011 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7013 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7014 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7015 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7017 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7018 "extenddftf2", "extendsftf2"): New expanders.
7019 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7020 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7021 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7022 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7024 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7025 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7026 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7027 __floatditf): Add a GCC_4.1.0 symbol version tag.
7028 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7031 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7034 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7035 Use targetm.binds_local_p instead of TREE_PUBLIC.
7037 2006-02-02 Roger Sayle <roger@eyesopen.com>
7039 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7040 on INTEGER_TYPEs to indicate that it denotes a character type.
7041 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7042 signed_char_type_node, unsigned_char_type_node and char_type_node.
7043 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7044 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7045 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7047 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7048 Daniel Berlin <dberlin@dberlin.org>
7050 * tree-tailcall.c (arg_needs_copy_p): New function.
7051 (eliminate_tail_call): Use arg_needs_copy_p.
7052 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7053 (add_virtual_phis): New function.
7055 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7057 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7058 #ignore instead of #scratch for %g7 .register directive.
7060 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7062 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7065 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7067 * flow.c (calculate_global_regs_live): Assert that there aren't any
7070 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7072 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7074 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7075 bsi_after_labels iterator.
7076 * tree-if-conv.c (find_phi_replacement_condition,
7077 replace_phi_with_cond_modify_expr): Likewise.
7078 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7079 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7081 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7083 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7085 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7088 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7089 array after growing it.
7091 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7094 * fold-const.c (fold_checksum_tree): Change type of buf.
7096 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7098 * reload.c (push_secondary_reload): Initialize t_icode.
7100 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7102 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7103 -msoft-float -mlong-double-128 only issue a warning, but don't
7104 swich to DFmode long double.
7106 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7108 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7109 has a constant equivalent, iterate over equivalents for arg0,
7110 calling simplify_relational_operation and if there's a result
7111 cheaper than X, apply fold_rtx and return the result.
7113 2006-02-01 Jan Hubicka <jh@suse.cz>
7115 * opts.c (no_unit_at_a_time_default): New global variable.
7116 (decode_options): Use it.
7117 * opts.h (no_unit_at_a_time_default): Declare.
7119 2006-02-01 Paul Brook <paul@codesourcery.com>
7121 * function.c (assign_parm_setup_reg): Use function argument promotion
7123 * expr.c (expand_expr_real_1): Use function argument promotion rules
7126 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7128 * gcc.c (process_command): Change j to 'unsigned int'.
7130 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7133 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7134 Use the corrected index for the character
7135 out of the string constant.
7137 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7139 * mode-switching.c (optimize_mode_switching): Fix size
7140 allocated for bb_info[n_entities].
7142 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7144 * gcc.c (main): Correct type that is allocated for
7145 explicit_link_files.
7147 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7149 * config/s390/s390.c (init_alignment_context): Set
7150 ALIAS_SET_MEMORY_BARRIER on the MEM.
7151 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7153 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7156 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7158 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7161 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7163 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7164 * regrename.c: Ditto.
7165 * tree-ssa-loop-im.c: Ditto.
7166 * tree-dump.c: Ditto.
7167 * tree-complex.c: Ditto.
7168 * genrecog.c: Ditto.
7169 * tree-ssa-threadupdate.c: Ditto.
7171 * java/class.c: Ditto.
7172 * java/jcf-parse.c: Ditto.
7173 * java/resource.c: Ditto.
7174 * java/except.c: Ditto.
7175 * java/jvspec.c: Ditto.
7176 * java/jcf-write.c: Ditto.
7177 * java/jcf-path.c: Ditto.
7178 * java/gjavah.c: Ditto.
7179 * java/zextract.c: Ditto.
7180 * java/jcf-io.c: Ditto.
7181 * java/jcf.h: Ditto.
7182 * java/buffer.c: Ditto.
7183 * java/lang.c: Ditto.
7184 * java/parse-scan.y: Ditto.
7185 * java/lex.c: Ditto.
7186 * java/lex.h: Ditto.
7187 * cfgloopmanip.c: Ditto.
7188 * postreload-gcse.c: Ditto.
7189 * tree-ssa-loop-manip.c: Ditto.
7190 * postreload.c: Ditto.
7191 * tree-ssa-loop-ch.c: Ditto.
7195 * diagnostic.c: Ditto.
7197 * genoutput.c: Ditto.
7199 * cfghooks.c: Ditto.
7200 * cfgloopanal.c: Ditto.
7201 * objc/objc-act.c: Ditto.
7203 * genextract.c: Ditto.
7204 * genautomata.c: Ditto.
7205 * pretty-print.c: Ditto.
7207 * cgraphunit.c: Ditto.
7210 * haifa-sched.c: Ditto.
7211 * dominance.c: Ditto.
7213 * tree-ssa-loop-ivopts.c: Ditto.
7215 * mode-switching.c: Ditto.
7216 * modulo-sched.c: Ditto.
7218 * ipa-pure-const.c: Ditto.
7220 * fix-header.c: Ditto.
7222 * tree-stdarg.c: Ditto.
7223 * ipa-utils.c: Ditto.
7224 * loop-init.c: Ditto.
7225 * ipa-inline.c: Ditto.
7228 * alloc-pool.c: Ditto.
7229 * dwarf2out.c: Ditto.
7231 * genattrtab.c: Ditto.
7232 * tree-ssa-loop-ivcanon.c: Ditto.
7236 * fortran/gfortranspec.c: Ditto.
7238 * local-alloc.c: Ditto.
7239 * langhooks.c: Ditto.
7240 * function.c: Ditto.
7241 * tree-vectorizer.c: Ditto.
7243 * ipa-type-escape.c: Ditto.
7245 * tree-if-conv.c: Ditto.
7248 * tree-data-ref.c: Ditto.
7249 * loop-unroll.c: Ditto.
7250 * treelang/treetree.c: Ditto.
7253 * ggc-common.c: Ditto.
7255 * coverage.c: Ditto.
7257 * tree-cfgcleanup.c: Ditto.
7258 * tree-ssa-pre.c: Ditto.
7259 * cfgcleanup.c: Ditto.
7260 * loop-invariant.c: Ditto.
7262 * ipa-prop.c: Ditto.
7263 * print-tree.c: Ditto.
7264 * conflict.c: Ditto.
7265 * ggc-page.c: Ditto.
7266 * sched-deps.c: Ditto.
7267 * regclass.c: Ditto.
7268 * tree-object-size.c: Ditto.
7270 * bb-reorder.c: Ditto.
7271 * resource.c: Ditto.
7272 * var-tracking.c: Ditto.
7274 * df-problems.c: Ditto.
7275 * reg-stack.c: Ditto.
7278 * sched-rgn.c: Ditto.
7279 * tree-ssa-structalias.c: Ditto.
7280 * tree-ssa-reassoc.c: Ditto.
7281 * config/darwin-c.c: Ditto.
7282 * config/darwin.c: Ditto.
7283 * config/arm/arm.c: Ditto.
7285 * collect2.c: Ditto.
7288 2006-01-31 Nicolas Pitre <nico@cam.org>
7290 * arm.md (smaxsi3): Make aware of smax_m1.
7293 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7295 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7297 2006-01-31 Richard Guenther <rguenther@suse.de>
7299 * doc/invoke.texi (-msselibm): Document.
7300 * target.h (expand_library_builtin): New target hook.
7301 * builtins.c (expand_builtin): Use expand_library_builtin.
7302 (default_expand_library_builtin): New function.
7303 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7304 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7305 (link_gcc_math_spec): Declare.
7306 (static_specs): Add link_gcc_math_spec.
7307 * expr.h (default_expand_library_builtin): Declare.
7308 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7309 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7310 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7311 * config/i386/i386.opt (msselibm): New target option.
7312 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7313 (ix86_init_sse_abi_builtins): New function.
7314 (ix86_expand_library_builtin): Likewise.
7315 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7316 (override_options): Handle error conditions wrt -msselibm.
7317 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7318 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7319 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7322 2006-01-31 Richard Guenther <rguenther@suse.de>
7323 Paolo Bonzini <bonzini@gnu.org>
7325 * doc/install.texi (--disable-libgcc-math): Document.
7327 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7329 * expr.h (expand_normal): new inline function.
7330 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7332 * dwarf2out.c: use it.
7337 * config/sparc/sparc.c: use it.
7338 * config/i386/i386.c: use it.
7339 * config/rs6000/rs6000.c: use it.
7340 * config/arm/arm.c: use it.
7341 * config/mips/mips.c: use it.
7342 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7344 2006-01-30 Roger Sayle <roger@eyesopen.com>
7346 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7347 argv to the appropriate type.
7349 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7351 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7354 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7357 * config/s390/s390.c (struct machine_function): New flag
7358 decomposed_literal_pool_addresses_ok_p.
7359 (s390_reorg): Set it before final stage of literal pool transforms.
7360 (s390_decompose_address): Only accept displacements of the form
7361 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7363 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7365 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7366 the comparison routine return.
7368 2006-01-30 Michael Matz <matz@suse.de>
7370 * global.c (find_reg): Only evict for global regs.
7371 Take n_refs into account and dump more info.
7373 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7376 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7377 (pragma_trap, pragma_nosave_low_regs): Likewise.
7378 (current_function_anonymous_args): Likewise.
7379 (sh_deferred_function_attributes): New variable.
7380 (sh_deferred_function_attributes_tail): Likewise.
7381 (print_operand): For '@', look up trap_exit attribute.
7382 (calc_live_regs): Look up trapa_handler attribute. For trapa
7383 handlers, save/restore fpscr, but don't do any other
7384 interrupt-specific saves.
7385 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7386 Fix check for partially saved registers to check for SHmedia.
7387 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7388 (sh_output_function_epilogue): Don't clear any of the removed
7390 (sh_insert_attributes): Don't check pragma_interrupt.
7391 Insert deferred attributes. Check that interrupt attribute is
7392 present for other attributes that require its presence.
7393 (sh_attribute_table): Add new attributes trapa_handler and
7395 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7396 Don't check for pragma_interrupt. Don't store argument.
7397 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7398 (sh_deferred_function_attributes): Declare.
7399 (sh_deferred_function_attributes_tail): Likewise.
7400 * sh.md (sp_switch_1): Add operand. Change generator caller.
7401 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7402 (*return_i): Don't use when trap_exit attribute is in effect.
7403 (*return_trapa): New insn pattern.
7405 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7406 setting c_target_objs and cxx_target_objs.
7407 * t-sh: Add rule for sh-c.o.
7409 2006-01-30 Richard Guenther <rguenther@suse.de>
7412 * gimplify.c (gimplify_target_expr): Handle easy cases
7413 without creating a temporary.
7415 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7417 * vec.h (safe_grow): Remove duplicated line.
7419 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7422 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7423 (expand_omp): ... here.
7424 (expand_omp_parallel): Only remove barriers for combined
7425 parallel+workshare constructs.
7427 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7431 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7432 * tree.c (build_qualified_type): Chain the new type to the original
7433 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7434 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7435 (build_pointer_type_for_mode): Only return unqualified types.
7436 (build_reference_type_for_mode): Likewise.
7438 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7440 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7441 * Makefile.in (CXX_COMPAT_WARN): Define.
7442 * configure: Regenerate.
7444 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7447 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7450 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7452 * toplev.c: Fix thinko.
7454 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7455 Marcin Dalecki <martin@dalecki.de>
7457 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7458 (push_srcloc): Use XNEW.
7459 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7461 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7463 * df-core.c (df_set_blocks): Deleted all variable.
7465 2006-01-28 Ian Lance Taylor <ian@airs.com>
7467 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7468 cgraph_output_pending_asms.
7470 2006-01-28 Zack Weinberg <zackw@panix.com>
7472 * c.opt: Add -W(no-)overlength-strings.
7473 * doc/invoke.texi: Document it.
7474 * c-opts.c (c_common_handle_option): -pedantic implies
7475 -Woverlength-strings, if not explicitly disabled already.
7476 (c_common_post_options): -Woverlength-strings defaults to off, and
7477 is always off for C++.
7478 * c-common.c (fix_string_type): Issue warning about strings longer
7479 than is portable only if warn_overlength_strings. Rearrange code
7480 a little for clarity.
7481 * configure.in: Check for -Wno-overlength-strings as well before
7482 enabling -pedantic in stage 1.
7483 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7484 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7486 * genconditions.c (write_header, write_one_condition)
7487 (write_conditions, write_writer): Consolidate very long strings
7488 that were broken up to fit in C89 portable limit. Don't use
7489 printf when fputs will do.
7491 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7493 * combine.c (simplify_comparison <AND>): Check
7494 TRULY_NOOP_TRUNCATION before start using a subreg.
7496 * config/mips/mips.md (*branch_zero<mode>,
7497 *branch_zero<mode>_inverted, *branch_equality<mode>,
7498 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7499 Remove mode check from comparisons.
7501 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7503 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7505 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7507 * expmed.c (const_mult_add_overflow_p): Remove.
7508 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7510 * recog.c (validate_replace_rtx_subexp): Remove.
7511 * recog.h: Remove the prototype for
7512 validate_replace_rtx_subexp.
7514 * integrate.h: Remove the prototype for
7515 copy_decl_for_inlining.
7516 * rtl.h: Remove the prototype for mark_constant_function.
7517 * tree-vectorizer.h: Remove the prototype for
7518 vect_strip_conversion.
7520 * modulo-sched.c (create_partial_schedule,
7521 free_partial_schedule, reset_partial_schedule): Make them
7524 * hooks.c (hook_bool_rtx_int_false): Remove.
7525 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7527 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7529 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7530 and -mlong-double-128 are incompatible.
7531 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7532 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7533 (TARGET_LIBGCC2_CFLAGS): Define.
7534 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7535 (TARGET_LIBGCC2_CFLAGS): Same.
7536 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7538 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7541 * c-typeck.c (build_binary_op): Perform implicit casts of
7542 operands before shortening them.
7544 * cfgloopmanip.c (split_loop_bb): Remove.
7545 * cfgloop.h: Remove the prototype for split_loop_bb.
7547 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7548 * cfgloop.h: Remove the prototype for
7549 flow_loop_outside_edge_p.
7551 * emit-rtl.c (init_virtual_regs): Make it static.
7552 * function.h: Remove the prototype for init_virtual_regs.
7554 * recog.c (peephole2_optimize): Make it static.
7555 * recog.h: Remove the prototype for peephole2_optimize.
7557 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7559 * df-scan.c (df_record_entry_block_defs): Check if
7560 INCOMING_RETURN_ADDR_RTX is defined.
7562 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7563 Kenneth Zadeck <zadeck@naturalbridge.com>
7565 PR rtl-optimization/24762
7566 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7567 * targhooks.c (hook_void_bitmap): New hook prototype.
7568 * targhoohs.h (hook_void_bitmap): Ditto.
7569 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7570 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7571 * target.h (live_on_entry): New function pointer.
7572 * df-scan.c (df_all_hard_regs): Removed.
7573 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7574 (df_scan_free_internal): Added df->entry_block_defs.
7575 (df_scan_alloc): Ditto.
7576 (df_scan_dump): Ditto.
7577 (df_uses_record): Plumbed flag field properly thru calls.
7578 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7579 This part fixes PR24762.
7580 (df_bb_refs_record): Added code to make the frame and arg
7581 pointers live in EH blocks.
7582 (df_refs_record): Added call to df_record_entry_block_defs.
7583 (df_record_entry_block_defs): New function.
7584 * df-core.c: Added comments to describe new artifical defs.
7585 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7586 (entry_block_defs): New field in struct df.
7587 (df_all_hard_regs): Deleted.
7588 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7589 * df-problems.c (df_ru_bb_local_compute_process_def):
7590 Added code to handle artifical defs in the entry to a function.
7591 (df_ru_bb_local_compute): Ditto.
7592 (df_rd_bb_local_compute_process_def): Ditto.
7593 (df_rd_bb_local_compute): Ditto.
7594 (df_lr_bb_local_compute): Ditto.
7595 (df_ur_bb_local_compute): Ditto.
7596 (df_urec_bb_local_compute): Ditto.
7597 (df_chain_create_bb): Ditto.
7598 (df_ur_local_finalize): Removed entry.
7599 (df_urec_init): Ditto.
7600 (df_urec_local_finalize): Ditto.
7601 (df_ri_bb_compute): Added detection of last use of pseudos.
7602 * Makefile.in (df-scan.o): Updated dependencies.
7603 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7604 * config/mips/mips.c (mips_set_live_on_entry): Added.
7605 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7607 * dce.c (marked_insn_p): Added code to handle artifical defs.
7609 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7611 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7613 (_mm_cvtsi128_si64): Likewise.
7614 (_mm_cvtsd_si64): Likewise.
7615 (_mm_cvttsd_si64): Likewise.
7616 (_mm_cvtsi64_sd): Likewise.
7617 (_mm_cvtsi64_si128): Likewise.
7618 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7619 (_mm_cvtsi64_m64): Likewise.
7620 (_m_to_int64): Likewise.
7621 (_mm_cvtm64_si64): Likewise.
7622 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7623 (_mm_cvttss_si64): Likewise.
7624 (_mm_cvtsi64_ss): Likewise.
7625 (_mm_cvtss_f32): Likewise.
7627 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7629 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7630 for pragma redefine_extname.
7632 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7635 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7636 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7637 -mno-minimal-toc to previous content.
7638 (bispecs): Remove goal.
7639 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7640 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7641 compatibility aliases on powerpc-*-*gnu*.
7642 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7643 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7644 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7645 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7646 (ldblspecs): New goal.
7647 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7648 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7650 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7651 L_sf_to_tf or L_df_to_tf is defined.
7653 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7654 Alan Modra <amodra@bigpond.net.au>
7657 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7658 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7659 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7660 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7661 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7662 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7663 (rs6000_override_options): Initialize rs6000_ieeequad.
7664 Initialize TFmode format to ibm_extended_format if not
7666 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7668 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7669 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7670 (function_arg_advance): IBM long double passed in two FPRs, not
7672 (function_arg): IBM long double passed in FPRs.
7673 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7674 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7675 Only multireg GPR aligned.
7676 (rs6000_init_libfuncs): Enable IBM long double functions if not
7678 (rs6000_generate_compare): Use IBM long double compare if not
7680 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7681 (TARGET_IEEEQUAD): Define.
7682 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7683 not TARGET_IEEEQUAD.
7684 * config/rs6000/rs6000.md: Enable TFmode patterns if
7686 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7687 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7688 and -mlong-double-128 are incompatible.
7689 * doc/invoke.texi (-mabi): Collect options together. Add
7690 ibmlongdouble and ieeelongdouble.
7692 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7694 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7696 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7697 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7698 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7699 * rtl.h (rtunion_def): Remove rt_ptr.
7701 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7702 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7703 * config/i386/winnt.c (i386_pe_mark_dllexport)
7704 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7706 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7708 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7710 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7714 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7715 pthread_key_delete. From John David Anglin. gthrw-ify
7716 pthread_getunique_np only if it it's not a macro. Delete
7718 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7719 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7720 __gthread_objc_condition_signal, __gthread_key_delete): Add
7721 "__attribute__ ((__unused__))" to unused arguments.
7722 (__gthread_recursive_mutex_init_function): Add missing return.
7723 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7724 gthr-posix95.h: Use macro-based approach for name redirection
7725 on targets missing weakref.
7727 2006-01-26 Zack Weinberg <zackw@panix.com>
7729 * genconditions.c (write_header): In generated code, #ifdef out
7730 all includes and fake declarations, except includes of bconfig.h
7731 and system.h, unless GCC_VERSION >= 3001. Do not include
7732 gensupport.h in any case.
7733 (write_conditions): Generate a definition of struct c_test. Add
7734 a comment to the generated #endif.
7735 (write_one_condition): Escape backslashes in string too.
7736 (write_writer): Generated code must escape backslashes and quote
7737 marks (but not newlines) in the strings it writes.
7738 * Makefile.in (build/gencondmd.o): Update dependencies.
7740 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7743 * Makefile.in (insn-automata.o): Add header file dependencies.
7744 * genautomata.c: Add includes.
7746 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7749 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7751 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7753 * configure.ac: Expect target tools paths to be passed from the toplevel
7754 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7756 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7758 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7761 * c.opt (Wpointer-sign): Init to -1.
7762 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7763 OPT_pedantic, to 0 otherwise.
7764 * doc/invoke.texi: Update.
7766 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7768 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7769 constants provided by 80387 instructions in the destination mode.
7771 2006-01-26 Richard Guenther <rguenther@suse.de>
7772 Andrew Pinski <pinskia@physics.uc.edu>
7775 partial PR tree-opt/17064
7776 * tree-ssa-structalias.c (intra_create_variable_infos):
7777 Create heap variables for incoming parameters if
7778 flag_argument_noalias > 1.
7779 (find_what_p_points_to): Look through default defs of
7782 2006-01-26 Jeff Law <law@redhat.com>
7785 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7786 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7787 within the VR_RANGE, use the VR_RANGE as the result, not the
7789 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7790 bounds for the type.
7792 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7794 * tree-ssa-alias.c (maybe_create_global_var): Change
7795 subvar walking to an assertion that we don't have subvar'd variables.
7797 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7800 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7801 Use a new variable, inner. PARM_DECLs are always non-weak.
7803 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7805 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7808 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7810 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7812 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7814 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7815 (smax_insn, smin_insn, smax_0, smin_0): New.
7817 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7820 * config/cris/cris.c (cris_order_for_addsi3): New function.
7821 * config/cris/cris-protos.h: Prototype it.
7822 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7823 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7824 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7825 (split for "op.S1 [rx=rx+i],ry (swapped)")
7826 (split for "op(s|u).S1 [rx=rx+i],ry")
7827 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7828 Apply cris_order_for_addsi3 when generating addsi3 insns.
7830 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7832 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7833 (TREE_BLOCK): Add call to EXPR_CHECK.
7835 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7838 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7839 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7840 (dump_omp_clauses): ... here.
7841 (dump_generic_node): Handle OMP_CLAUSE.
7842 * tree.c (omp_clause_num_ops): New.
7843 (omp_clause_code_name): New.
7844 (tree_code_size): Handle OMP_CLAUSE.
7845 (tree_size): Likewise.
7846 (make_node): Document handling of OMP_CLAUSE.
7847 (tree_node_structure): Handle OMP_CLAUSE.
7848 (omp_clause_check_failed): New.
7849 (omp_clause_range_check_failed): New.
7850 (omp_clause_operand_check_failed): New.
7851 (build_omp_clause): New.
7852 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7853 * tree.h (enum omp_clause_code): Declare.
7854 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7855 (OMP_CLAUSE_RANGE_CHECK): Define.
7856 (OMP_CLAUSE_ELT_CHECK): Define.
7857 (omp_clause_check_failed): Declare.
7858 (omp_clause_operand_check_failed): Declare.
7859 (omp_clause_range_check_failed): Declare.
7860 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7861 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7862 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7863 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7864 (OMP_CLAUSE_IF_EXPR): Likewise.
7865 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7866 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7867 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7868 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7869 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7870 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7871 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7872 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7873 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7874 (OMP_CLAUSE_CODE): Define.
7875 (OMP_CLAUSE_SET_CODE): Define.
7876 (OMP_CLAUSE_CODE): Define.
7877 (OMP_CLAUSE_OPERAND): Define.
7878 (struct tree_omp_clause): Declare.
7879 (union tree_node): Add field 'omp_clause'.
7880 * treestruct.def (TS_OMP_CLAUSE): Define.
7881 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7882 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7883 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7884 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7885 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7886 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7887 (OMP_CLAUSE): Define.
7888 * print-tree.c (print_node): Handle OMP_CLAUSE.
7889 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7890 * c-typeck.c: Likewise.
7891 * gimplify.c: Likewise.
7892 * c-omp.c: Likewise.
7893 * tree-nested.c: Likewise.
7894 * tree-inline.c: Likewise.
7895 * c-parser.c: Likewise.
7896 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7899 2006-01-25 Roger Sayle <roger@eyesopen.com>
7901 PR rtl-optimization/25703
7902 * combine.c (try_combine): Handle zero_extract and strict_low_part
7903 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7905 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7907 * global.c: Fix comment typos.
7909 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7912 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7913 Use output_addr_const instead of assemble_name.
7915 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7917 * Makefile.in (sched-vis.o): Update dependencies.
7918 * haifa-sched.c (sched_finish): Clear current_sched_info.
7919 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7920 (dump_flow_info): Call it.
7921 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7923 * basic-block.h (dump_bb_info): Declare.
7924 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7925 option, and apply options only for dump files whose TDF_RTL,
7926 TDF_TREE, or TDF_IPA bits match.
7927 * rtl.h: Declare new functions exported from sched-vis.c.
7928 * sched-vis.c: Enable also if scheduling is not used.
7929 (print_value): Print the mode of registers if not inside scheduling.
7930 (print_insn): Make it work outside the scheduler. Beautify the output
7932 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7934 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7936 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7937 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7938 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7939 depending on the value of CONSTANT_POOL_ADDRESS_P.
7940 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7942 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7943 rather than SYMBOL_REF_DECL.
7944 (rtx_constant_pool): Remove const_rtx_sym_htab.
7945 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7946 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7947 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7948 Remove handling of const_rtx_sym_htab.
7949 (find_pool_constant): Delete.
7950 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7951 rather than find_pool_constant.
7952 (get_pool_constant_for_function): Delete.
7953 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7955 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7956 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7957 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7958 (SYMBOL_REF_CONSTANT): New macro.
7959 (get_pool_constant_for_function): Delete.
7960 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7961 rather than SYMBOL_REF_DECL.
7962 (i386_pe_mark_dllimport): Likewise.
7963 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7964 rather than SYMBOL_REF_DECL.
7965 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7966 (machopic_indirect_call_target): Likewise.
7968 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7970 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7972 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7974 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7976 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7978 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7980 2006-01-24 David Daney <ddaney@avtrex.com>
7983 * configure.ac (enable_tls): New enable option.
7984 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7985 * configure: Regenerate.
7986 * doc/install.texi (--enable-tls): Document new option.
7987 (--disable-tls): Ditto.
7989 2006-01-24 Richard Henderson <rth@redehat.com>
7991 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7992 * alias.c (true_dependence): Respect it.
7993 (canon_true_dependence, write_dependence_p): Likewise.
7994 * builtins.c (get_builtin_sync_mem): Set it.
7996 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7998 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8001 2006-01-24 DJ Delorie <dj@redhat.com>
8003 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8004 for storing constants in single-bit bitfields.
8006 2006-01-25 Ben Elliston <bje@au.ibm.com>
8008 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8010 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8013 * tree-ssa-pre.c (phi_translate): Return NULL
8014 for AGGREGATE_TYPE's.
8016 2006-01-24 Zack Weinberg <zackw@panix.com>
8018 * genautomata.c (process_state_for_insn_equiv_partition):
8019 Use xcalloc for insn_arcs_array.
8020 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8021 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8023 2006-01-24 Richard Henderson <rth@redhat.com>
8025 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8028 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8030 PR rtl-optimization/25890
8031 PR rtl-optimization/25905
8032 * combine.c (expand_compound_operation, expand_field_assignment):
8033 Fail if the bitfield's final position is out of bounds.
8035 2006-01-24 Ian Lance Taylor <ian@airs.com>
8038 * cgraphunit.c (cgraph_output_in_order): Don't clear
8039 cgraph_asm_nodes until after asm strings have been output.
8041 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8043 * fix-header.c (read_scan_file): Add new parameter imultilib when
8044 calling register_include_chains.
8046 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8048 * omp-low.c: Update documentation.
8050 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8051 Daniel Berlin <dberlin@dberlin.org>
8055 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8056 return from the function.
8058 2006-01-22 Zack Weinberg <zackw@panix.com>
8060 * rtl.def (match_code): Add second argument.
8061 * genpreds.c (write_extract_subexp): New function.
8062 (write_match_code): Add path argument. Use write_extract_subexp.
8063 (write_predicate_expr): Pass path to write_match_code.
8064 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8065 not perform a mode test.
8066 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8067 a subexpression does not constrain the top-level code set.
8068 * read-rtl.c (read_rtx_variadic): New function.
8069 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8070 * doc/md.texi: Document new notation.
8071 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8072 (cmpsi_operand): ... here, using new notation.
8074 2006-01-22 Zack Weinberg <zackw@panix.com>
8076 * varray.c: Remove GENERATOR_FILE #ifdefs.
8078 2006-01-22 Zack Weinberg <zackw@panix.com>
8080 * genautomata.c (output_reserved_units_table): Emit nothing if
8081 description->query_units_num is zero. Remove extra blank line.
8082 (output_cpu_unit_reservation_p): Short circuit
8083 if description->query_units_num is zero.
8085 2006-01-22 Zack Weinberg <zackw@panix.com>
8087 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8088 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8089 nor any of the random handful of variables that used to be necessary
8090 when this program was linked with rtlanal.o. Prune set of forward
8091 function declarations.
8092 (struct attr_desc): Remove static_p field.
8093 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8094 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8095 (attr_string): Do not read the character one past the length of
8097 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8098 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8099 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8100 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8101 (make_automaton_attrs): New.
8102 (main): Do not call into genautomata. Call local gen_bypass
8103 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8104 Remove special case for insn_alts.
8105 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8106 varray.h (leftover from previous change). Prune set of forward
8107 function declarations. Remove state_alts fields from all
8108 structures. Remove state_alts_table from struct automaton.
8109 Make everything except main static. Do not maintain num_dfa_decls.
8110 Do not maintain state_alts fields of various structures.
8111 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8112 (add_arc): Remove state_alts argument. All callers updated.
8113 (output_reserved_units_table): Emit #ifdef here...
8114 (output_tables): ...not here. Don't generate state_alts tables.
8115 (expand_automata): Don't generate attributes.
8116 (write_automata): Don't generate state_alts functions.
8117 (main): New function.
8118 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8119 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8120 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8121 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8122 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8123 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8124 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8125 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8127 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8128 * genattrtab.h: Delete file.
8129 * Makefile.in (OBJS-common): Add insn-automata.o.
8130 (insn-automata.o): New rule.
8131 (simple_generated_c): Add insn-automata.c.
8132 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8133 (genprogmd): Add automata.
8134 (build/genattrtab): Needs no extra objects nor libraries.
8135 (build/genautomata): Needs build/vec.o and -lm.
8137 2006-01-22 Zack Weinberg <zackw@panix.com>
8139 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8140 (output_dfa_max_issue_rate, locked_states_num): Delete.
8141 (struct automaton): Add locked_states field.
8142 (output_dead_lock_vect): Save number of locked states in
8143 automaton->locked_states. If it is zero, don't print anything.
8144 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8145 (output_internal_dead_lock_func): Only test the dead_lock_vect
8146 for automata that have locked states.
8147 (output_statistics): Always print the number of locked states for
8148 each automaton. Calculate total number of locked states here.
8149 (write_automata): Don't call output_dfa_max_issue_rate.
8150 * genattrtab.c: Define length_unit_log as a const variable.
8151 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8152 max_insn_queue_index const.
8153 * final.c (length_unit_log): Declare const.
8154 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8156 2006-01-22 Zack Weinberg <zackw@panix.com>
8158 * genautomata.c: Include vec.h, not varray.h.
8159 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8160 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8161 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8162 VEC_* macros operating on appropriately typed vectors, or to
8163 malloced arrays when the size is known in advance. Const-ify
8164 many char* variables and function arguments. No functional changes.
8165 * Makefile.in (build/varray.o): Delete rule.
8166 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8167 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8169 2006-01-22 Zack Weinberg <zackw@panix.com>
8171 * gensupport.c: Define get_insn_name and record_insn_name here.
8172 (read_md_rtx): Call record_insn_name as appropriate.
8173 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8174 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8175 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8177 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8178 (BUILD_VARRAY): Delete.
8179 (genprognormal): Rename genprogmd. Fold in all programs from
8180 genprognoprint; also attrtab.
8181 (build/genattrtab): Just mention genautomata.o and varray.o.
8182 Reorganize a bit, add comments to make the categories clearer.
8184 2006-01-22 Zack Weinberg <zackw@panix.com>
8186 * genconditions.c (condition_table, add_condition): Delete.
8187 (write_conditions): Don't emit n_insn_conditions nor
8188 insn_elision_unavailable. Issue the gcc version #ifdef here,
8189 inside the table, with no #else clause ...
8190 (write_header): ...not here.
8191 (write_writer): New function.
8192 (main): Don't initialize condition_table. Use add_c_test.
8194 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8195 files on the command line.
8196 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8197 Return -1 if there is no entry in the table, don't abort.
8198 (add_c_test, traverse_c_tests): New functions.
8199 * gensupport.h (insn_elision_unavailable, insn_conditions)
8200 (n_insn_conditions): Delete declarations.
8201 (add_c_test, traverse_c_tests): Declare.
8202 * read-rtl.c: Include gensupport.h.
8203 (read_conditions): New function.
8204 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8205 (read_rtx_1): If we get EOF when we were looking for an initial
8206 open paren, return 0. Call read_conditions when appropriate.
8207 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8208 dummy-conditions.o. Eliminate references to insn-conditions.o,
8209 or change them to build/gencondmd.o, as appropriate. Remove
8210 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8211 from $(simple_generated_c). For all files remaining in those
8212 two lists, add insn-conditions.md to the generator command line.
8213 Give insn-constants.h/s-constants their own rules. Add rules
8214 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8215 (build/read-rtl.o): Depend on gensupport.h.
8216 (genprognormal): Include preds.
8217 (genprogearly): Rename genprognoprint; only difference is now that
8218 they don't link with $(BUILD_PRINT).
8219 * dummy-conditions.c: Delete.
8221 2006-01-22 Zack Weinberg <zackw@panix.com>
8223 * genextract.c: Don't include insn-config.h. Do include vec.h.
8224 Declare vectors of int, char, and locstr.
8225 (locstr): New typedef.
8226 (struct extraction): Make all array fields into bare pointers.
8227 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8228 (insn_code_number): Delete.
8229 (accum_extract): New struct.
8230 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8231 (gen_insn): Take insn_code_number as an argument. Use an
8232 accum_extract structure instead of loading data directly into
8233 a struct extraction, and having to know how big it might get.
8234 (walk_rtx): Operate entirely on an accum_extract structure.
8235 (print_path): Avoid unnecessary use of printf.
8236 (print_header): New function, split out of main. Distinguish
8237 more carefully between an unrecognizable insn and an insn that
8238 has the code number of a define_expand.
8239 (main): Pass insn_code_number to gen_insn. Call print_header
8240 only after parsing. Avoid unnecessary use of printf.
8241 * Makefile.in (build/vec.o): New rule.
8242 (build/genextract): Depend on build/vec.o.
8243 (build/genextract.o): Don't depend on insn-config.h.
8245 2006-01-22 Zack Weinberg <zackw@panix.com>
8247 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8248 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8249 practical. Eliminate per-generator-program link rules.
8251 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8254 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8255 with a call expr to ...
8256 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8258 2006-01-23 Richard Guenther <rguenther@suse.de>
8260 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8261 before make_edge with conditional EDGE_TRUE_VALUE.
8263 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8264 Jan Hubicka <jh@suse.cz>
8265 Richard Guenther <rguenther@suse.de>
8267 PR rtl-optimization/25654
8268 * cfgexpand.c (aggregate_contains_union_type): New function.
8269 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8270 for structure variables that contain a union type.
8272 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8274 * gengtype.c (new_structure): Return the structure.
8275 (create_option): Add an extra "next" argument.
8276 (create_field): New function.
8277 (adjust_field_rtx_def): Use create_option and create_field.
8278 Remove a now-unnecessary call to find_structure.
8279 (adjust_field_tree_def): Likewise.
8280 (note_yacc_type): Remove an unnecessary call to find_structure.
8281 * gengtype.h (new_structure): Return the structure.
8282 (create_option): Add an extra argument.
8283 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8284 (option): Adjust calls to create_option.
8286 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8288 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8290 2006-01-22 Paul Brook <paul@codesourcery.com>
8291 Peter Barada <peter@the-baradas.com>
8293 * config/m68k/m68k.md: Add Coldfire FPU support.
8294 Define FP mode macro and associated attributes.
8295 Use it for float mode patterns.
8296 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8297 (LIBCALL_VALUE): Use m68k_libcall_value.
8298 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8299 (m68k_function_value): Ditto.
8300 (emit_move_sequence): Ditto.
8301 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8302 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8303 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8304 (MULTILIB_EXCEPTIONS): Ditto.
8305 * config/m68k/m68k.opt: Add mcfv4e.
8306 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8307 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8308 (m68k_output_function_prologue): Save ColdFire FPU registers.
8309 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8310 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8311 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8312 ColdFire FPU registers.
8313 (m68k_libcall_value, m68k_function_value): New functions.
8314 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8315 (LIBCALL_VALUE): Use m68k_libcall_value.
8316 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8317 (MASK_COLDFIRE): Add MASK_CFV4E.
8318 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8319 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8320 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8321 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8322 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8323 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8324 * doc/invoke.tex: Document -mcfv4e on m68k.
8326 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8328 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8331 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8334 * c-opts.c (c_common_handle_option): Don't include
8335 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8336 * doc/invoke.texi (C++ Dialect Options): Document that
8337 -Wnon-virtual-dtor is no longer included in -Wall.
8339 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8341 * gcov.c (print_version), gcov-dump.c (print_version),
8342 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8345 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8347 * df-scan.c (problem_SCAN): Added NULL reset function.
8348 (df_scan_reset_blocks): Added code to call reset block function
8349 (df_bb_refs_delete) Fixed comment.
8350 (df_insn_refs_delete): Made tolerant of deleting non existent info
8351 for dataflow problems that need to be reset.
8352 * df-core.c (df_set_blocks): Ditto.
8353 * df.h (struct df_problem): Added reset_fun.
8354 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8355 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8356 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8357 functions to clear out all references to def-use or use-def chains.
8359 2006-01-21 Ben Elliston <bje@au.ibm.com>
8361 * varasm.c (assemble_real): Initialise data array.
8363 2006-01-20 Paul Brook <paul@codesourcery.com>
8365 Merge from csl-arm-branch.
8366 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8367 * config/arm/arm.md (movdi): Force operands[1] to a register
8368 if we have a non-register source.
8369 (*arm_movdi, *movdf_soft_insn): Require that one of the
8370 operands be a register.
8371 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8372 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8374 2006-01-20 DJ Delorie <dj@redhat.com>
8376 * varasm.c (initialize_constant_valid_p): Allow pointers
8377 initialized from integer constants of lesser precision.
8378 (output_constant): Allow non-int-sized pointer modes to be
8379 initialized from integer constants.
8381 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8384 * cppdefault.h (struct default_include): Add multilib flag.
8385 * cppdefault.c (cpp_include_defaults): Set it.
8386 * c.opt (-imultilib): New option.
8387 * c-opts.c (imultilib): New.
8388 (c_common_handle_option): Handle -imultilib.
8389 (c_common_post_options): Likewise.
8390 * c-incpath.c (add_standard_paths, register_include_chains):
8392 * c-incpath.h (register_include_chains): Add extra parameter.
8393 * gcc.c (do_spec_1): Generate -imultilib option.
8394 (The Specs Language): Update %I description.
8395 (process_command): Update copyright notice.
8396 * doc/cppopts.texi (-imultilib): Document.
8397 * doc/invoke.texi (-imultilib): Include in option summary.
8398 (%I): Update specs documentation.
8400 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8402 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8404 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8406 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8409 2006-01-20 Richard Guenther <rguenther@suse.de>
8410 Steven Bosscher <stevenb.gcc@gmail.com>
8412 PR rtl-optimization/24626
8413 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8414 EDGE_TRUE_VALUE if in RTL mode.
8417 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8418 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8420 2006-01-20 Dirk Mueller <dmueller@suse.com>
8423 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8424 instead of a special NOP marker.
8425 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8426 NOP marker handling.
8427 * c-common.h (empty_body_warning): Add forward declaration.
8428 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8429 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8431 2006-01-20 Paul Brook <paul@codesourcery.com>
8433 * Makefile.in (lang_checks): Keep going if mkdir fails.
8435 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8437 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8438 be able to clean out basic block when not necessary.
8439 (df_scan_free): Fixed to properly delete information if df is
8440 unused before calling df_finish.
8441 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8442 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8444 (df_bb_refs_delete): New function.
8445 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8446 * df-core.c (df_set_blocks): Added code to properly clean out
8447 unused blocks if they are not part of the blocks to consider.
8448 Added additional null check.
8449 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8450 be able to clean out basic block when not necessary
8451 * df.h (df_free_bb_function): Ditto.
8452 (df_bb_refs_delete): New function.
8453 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8454 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8455 basic block parameter to be able to clean out basic block when not
8457 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8458 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8459 Fixed to properly delete information if df is unused before
8462 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8464 PR rtl-optimization/25799
8465 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8466 Corrected confluence operator to remove bits from op2 before oring
8467 with op1 rather than removing bits from op1.
8468 (df_ru_transfer_function): Corrected test on wrong bitmap which
8469 caused infinite loop. Both of these problems were introduced in
8470 the dataflow rewrite.
8472 2006-01-19 DJ Delorie <dj@redhat.com>
8474 * reload1.c (find_reload_regs): Note the details of reload
8475 failures in the dump file.
8476 (spill_failure): Likewise.
8478 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8480 * loop-iv.c: Include df.h and hashtab.h.
8481 (enum iv_grd_result): New enum.
8482 (DF_REF_IV, DF_REF_IV_SET): New macros.
8483 (struct biv_entry): New.
8484 (df, bivs): New global variables.
8485 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8486 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8488 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8489 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8490 analyzed_for_bivness_p, record_biv): New functions.
8491 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8492 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8493 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8495 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8497 (iv_number_of_iterations): Use new interface to iv analysis.
8498 * loop-unroll.c: Do not include varray.h.
8499 (analyze_iv_to_split_insn): Use new interface to iv
8501 * loop-unswitch.c (may_unswitch_on): Ditto.
8502 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8504 (df_bb_modify): Realloc tables to the new index.
8505 (df_find_use): New function.
8506 * df.h (df_find_use): Declare.
8507 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8509 * cfgloop.h (struct rtx_iv): Remove analysed field.
8510 (iv_get_reaching_def): Removed.
8511 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8512 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8513 (loop-iv.o): Add df.h and hashtab.h dependency.
8514 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8516 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8519 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8521 (__floatundisf, __floatundidf): Likewise.
8522 * libgcc2.h (IS_IBM_EXTENDED): Define.
8524 2006-01-19 DJ Delorie <dj@redhat.com>
8526 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8528 2006-01-19 Paul Brook <paul@codesourcery.com>
8530 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8531 as nothrow when unwinding tables are disabled.
8533 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8536 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8537 of bit-field" when in system header.
8539 2006-01-19 DJ Delorie <dj@redhat.com>
8541 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8542 the 16 bit shift limit of the m16c.
8544 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8547 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8548 * config/i386/i386.c (output_set_got): Output the label if we have one
8549 for the TARGET_DEEP_BRANCH_PREDICTION case.
8551 2006-01-19 Jan Hubicka <jh@suse.cz>
8552 H.J. Lu <hongjiu.lu@intel.com>
8553 Evandro Menezes <evandro.menezes@amd.com>
8555 * invoke.texi (generic): Document
8557 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8558 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8559 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8560 (x86_use_incdec, x86_pad_returns): New variables
8561 (TARGET_CPU_DEFAULT_generic): New constant
8562 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8563 (enum processor_type): Add generic32 and generic64.
8564 * i386.md (cpu attribute): Add generic32/generic64
8565 (movhi splitter): Behave sanely when both partial_reg_dependency and
8566 partial_reg_stall are set.
8567 (K8 splitters): Enable for generic as well.
8568 * predicates.md (incdec_operand): Use TARGET_INCDEC
8569 (aligned_operand): Avoid memory mismatch stalls.
8570 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8571 * ppro.md: Enable for generic32
8572 * i386.c (generic64_cost, generic32_cost): New.
8573 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8574 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8575 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8576 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8577 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8578 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8579 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8580 x86_accumulate_outgoing_args, x86_prologue_using_move,
8581 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8582 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8584 (x86_use_incdec, x86_pad_returns): New.
8585 (override_options): Add generic32 and generic64, translate "generic"
8586 to generic32/generic64 and "i686" to "generic32", refuse
8587 "generic32"/"generic64" as arch target.
8588 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8589 (ix86_reorg): Honor PAD_RETURNS.
8591 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8593 * tree-pretty-print.c (dump_generic_node): Handle
8594 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8595 * cgraph.c (cgraph_expand_queue): Rename from
8596 cgraph_analyze_queue. Update all users.
8597 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8598 cgraph_expand_queue.
8599 (cgraph_expand_all_functions): Likewise.
8600 (cgraph_finalize_pending_functions): Remove. Update callers.
8602 * tree.h (OMP_DIRECTIVE_P): Define.
8603 (OMP_PARALLEL_FN): Define.
8604 (OMP_PARALLEL_DATA_ARG): Define.
8605 (OMP_SECTIONS_SECTIONS): Define.
8606 * tree-pass.h (pass_expand_omp): Declare.
8607 * omp-low.c (struct omp_region): Declare.
8608 (struct omp_context): Remove fields 'parallel_type',
8609 'parallel_start_ix' and 'parallel_start_additional_args'.
8611 (struct omp_for_data): Rename from struct expand_omp_for_data.
8612 (omp_regions): New static variable.
8613 (root_omp_region): New static variable.
8614 (find_omp_clause): Make static.
8615 (is_in_combined_parallel_ctx): Remove.
8616 (is_combined_parallel): New.
8617 (extract_omp_for_data): Move earlier in the file.
8618 (workshare_safe_to_combine_p): New.
8619 (get_ws_args_for): New.
8620 (determine_parallel_type): Move earlier in the file.
8621 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8623 (omp_copy_decl): Likewise.
8624 (create_omp_child_function): Likewise.
8625 (lookup_omp_region): New.
8626 (dump_omp_region): New.
8627 (debug_omp_region): New.
8628 (debug_all_omp_regions): New.
8629 (new_omp_region): New.
8630 (scan_omp_parallel): If parallel_nesting_level > 1, the
8631 directive is nested within another parallel directive.
8632 Set OMP_PARALLEL_FN.
8633 (scan_omp_for): Do not try to handle combined parallel+for
8635 Remove FIXME comment.
8636 (scan_omp_nested): Remove.
8637 (scan_omp_1): Do not call scan_omp_nested when
8638 parallel_nesting_level is > 1.
8639 Do not change the DECL_CONTEXT of local variables found.
8640 (lookup_decl_in_outer_ctx): New.
8641 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8642 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8643 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8644 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8645 If CTX is nested, lookup VAR in the outer context when
8646 building copy assignment.
8647 (lower_send_clauses): Rename from expand_send_clauses.
8648 If CTX is nested, lookup VAR in the outer context when
8649 building copy assignments.
8650 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8651 If CTX is nested, lookup VAR in the outer context when
8652 building copy assignments.
8653 (expand_parallel_call): Rename from build_parallel_call.
8654 Handle combined parallel+workshare cases.
8655 Re-implement to emit code into the CFG.
8657 (expand_omp_parallel): Re-implement to emit code into the CFG.
8658 Call move_sese_region_to_fn to outline the sub-graph
8659 containing the parallel region.
8660 (expand_omp_for_1): Remove.
8661 (expand_omp_for_generic): Re-implement to emit code into the
8663 (expand_omp_for_static_nochunk): Likewise.
8664 (expand_omp_for_static_chunk): Likewise.
8665 (expand_omp_for): Likewise.
8666 (expand_omp_sections): Likewise.
8667 (remove_exit_barriers): New.
8668 (expand_omp_synch): New.
8670 (build_omp_regions_1): New.
8671 (build_omp_regions): New.
8672 (execute_expand_omp): New.
8673 (gate_expand_omp): New.
8674 (pass_expand_omp): Define.
8675 (lower_omp_sections): Rename from expand_omp_sections.
8676 Set OMP_SECTIONS_SECTIONS.
8677 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8678 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8679 (lower_omp_single): Rename from expand_omp_simple.
8680 (lower_omp_master): Rename from expand_omp_master.
8681 (lower_omp_ordered): Rename from expand_omp_ordered.
8682 (lower_omp_critical): Rename from expand_omp_critical.
8683 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8684 (lower_omp_for): Re-implement.
8685 (lower_omp_parallel): Re-implement.
8686 (lower_regimplify): Rename from expand_regimplify.
8687 (lower_omp_1): Rename from expand_omp_1.
8688 If there are syntax errors in the program, replace every
8689 OpenMP directive with NOP.
8690 Call lower_omp_* instead of expand_omp_*.
8691 (lower_omp): Rename from expand_omp.
8693 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8694 * tree-gimple.h (enum omp_parallel_type): Remove.
8695 (gimple_boolify): Declare extern.
8696 (find_omp_clause, determine_parallel_type): Remove.
8698 * gimple-low.c (lower_omp_directive): New.
8699 (lower_stmt): Call it.
8700 (record_vars_into): Move from ...
8701 (record_vars): ... here.
8702 Call record_vars_into with current_function_decl.
8704 * gimplify.c (struct gimplify_ctx): Remove fields
8705 combined_pre_p and combined_ctxp. Update users.
8706 (get_formal_tmp_var): Add documentation.
8707 (gimple_boolify): Make extern.
8708 (gimplify_expr_in_ctx): Remove. Update callers.
8709 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8710 will always be a BIND_EXPR.
8711 (gimplify_expr): Handle OMP_RETURN_EXPR.
8712 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8713 (OMP_PARALLEL): Add 3 operands.
8714 (OMP_SECTIONS): Add 1 operand.
8715 (OMP_RETURN_EXPR): Define.
8717 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8718 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8719 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8720 creating a circular free list.
8721 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8723 * tree-flow.h (move_sese_region_to_fn): Declare.
8724 (record_vars_into): Declare.
8725 * tree-cfg.c (make_omp_sections_edges): New.
8726 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8727 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8728 OMP_SECTIONS and OMP_SECTION.
8729 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8730 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8731 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8732 (gather_blocks_in_sese_region): New.
8733 (struct move_stmt_d): Declare.
8735 (move_block_to_fn): New.
8736 (move_sese_region_to_fn): New.
8738 * passes.c (init_optimization_passes): Schedule
8739 pass_expand_omp after pass_init_datastructures.
8741 * tree-ssa-operands.c (get_expr_operands): Handle
8742 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8743 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8745 2006-01-19 Jeff Law <law@redhat.com>
8747 * tree-vrp.c (extract_range_from_assert): Refine the result range
8748 if the variable referenced by the ASSERT_EXPR has a range and
8749 either the tentative result range or the previous range is a
8752 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8754 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8756 2006-01-19 Jan Hubicka <jh@suse.cz>
8758 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8760 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8762 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8763 (expand_compound_operation, expand_field_assignment): Fail if the
8764 bit lengths of an extract operation are out of range.
8765 (make_extraction): Compute wanted_inner_mode based on the position
8766 and length of the extraction. Make it extraction_mode for non-constant
8767 positions, and do not modify offset in that case. When generating a
8768 new MEM, use a mode that can hold the extraction while keeping correct
8769 alignment. Remove code that supported MEMs wrapped by USEs.
8770 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8772 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8774 * config/s390/s390.md ("Y", "y"): New mode attribute.
8775 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8776 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8777 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8778 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8779 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8780 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8781 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8782 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8783 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8784 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8785 "addsi3", "subsi3"): Insn patterns removed.
8786 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8787 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8788 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8789 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8790 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8791 "*sub<mode>3_cconly2"): New insn patterns.
8792 ("addsi3", "subsi3"): New expanders.
8794 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8796 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8797 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8798 existing STMT_VINFO_VECTYPE if available.
8799 (vect_mark_relevant): Add special handling for stmts that are
8800 marked as STMT_VINFO_IN_PATTERN_P.
8801 (vect_analyze_loop): Call vect_pattern_recog.
8802 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8803 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8805 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8806 (vect_recog_func_ptr): New function-pointer type.
8807 * tree-vect-patterns.c: New file.
8808 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8809 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8810 (vect_pattern_recog_1): New functions.
8811 (vect_pattern_recog_funcs): New array of function pointers.
8813 * tree-vectorizer.h (ternary_op): New enum value.
8814 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8815 declaration. Revised documentation. Removed redundant dump prints.
8816 Removed redundant argument. Added support for reduction patterns.
8817 (vectorizable_reduction): Added support for reduction patterns.
8818 (vect_transform_stmt): Added support for patterns.
8820 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8821 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8822 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8823 (expand_widen_pattern_expr): New function.
8824 (init_optabs): Initialize new optabs udot_prod_optab,
8826 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8827 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8828 (expand_widen_pattern_expr): New function declaration.
8829 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8831 * tree-inline.c (estimate_num_insns_1): Added cases for new
8832 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8833 * tree-pretty-print.c (dump_generic_node): Likewise.
8834 (op_prio): Likewise.
8835 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8836 * tree-ssa-operands.c (get_expr_operands): Added case for
8838 * tree-vect-patterns.c (widened_name_p): New function.
8839 (vect_recog_dot_prod_pattern): Added function implementation.
8840 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8841 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8842 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8843 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8845 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8846 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8847 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8848 (init_optabs): Initialize new optabs widen_ssum_optab,
8850 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8851 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8852 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8853 use instead of type of def.
8854 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8855 function implementation.
8856 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8857 widen_ssumv8hi): New.
8859 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8862 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8865 * c-decl.c (add_flexible_array_elts_to_size): New function.
8866 (finish_decl): Use it.
8868 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8870 * diagnostic.h: Include options.h.
8871 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8872 dependancies for diagnostic.h.
8873 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8875 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8877 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8878 (ssa_ro_call_cache_valid): Ditto.
8879 * tree-ssa-alias.c (sort_tags_by_id): New function.
8880 (init_transitive_clobber_worklist): Ditto.
8881 (add_to_worklist): Ditto.
8882 (mark_aliases_call_clobbered): Ditto.
8883 (compute_tag_properties): Ditto.
8884 (set_initial_properties): Ditto.
8885 (compute_call_clobbered): Ditto.
8886 (compute_may_aliases): Call compute_call_clobbered and grouping.
8887 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8888 (compute_flow_insensitive_aliasing): Grouping now happens in our
8890 (setup_pointers_and_addressables): Remove clobbering related code.
8891 (add_may_alias): Ditto.
8892 (replace_may_alias): Ditto.
8893 (get_nmt_for): Ditto.
8894 (create_global_var):
8895 (is_escape_site): Return an escape_type enumeration.
8896 * tree-flow-inline.h (is_call_clobbered): Global var does not
8897 imply call clobbered.
8898 (mark_call_clobbered): Take a reason for marking this. Remove
8899 marking of globalness, and cache invalidation.
8900 (clear_call_clobbered): Remove cache invalidation code.
8901 * tree-dfa.c (dump_variable): If details is on, dump the reason
8903 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8905 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8906 (struct var_ann_d): Ditto.
8907 (enum escape_type): New.
8908 (mark_call_clobbered): Adjust prototype.
8909 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8910 are never call clobbered.
8911 Record reasons for escaping.
8912 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8913 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8914 (ssa_ro_call_cache_valid): Ditto.
8915 (clobbered_v_may_defs): Ditto.
8916 (clobbered_vuses): Ditto.
8917 (ro_call_vuses): Ditto.
8918 (clobber_stats): New.
8919 (init_ssa_operands): Zero out clobber stats.
8920 (fini_ssa_operands): Print out clobber stats.
8921 (get_call_expr_operands): Pass callee fndecl to
8923 (add_call_clobber_ops): Remove use of cache.
8924 Add use of PURE_CONST information.
8925 (add_call_read_ops): Remove use of cache.
8926 Add use of static not_read information.
8928 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8930 Introduce TLS descriptors for i386 and x86_64.
8931 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8932 (TARGET_ANY_GNU_TLS): New macro.
8933 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8934 (struct machine_function): Add tls_descriptor_call_expanded_p.
8935 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8936 (ix86_current_function_calls_tls_descriptor): Likewise.
8937 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8938 (override_options): Introduce gnu2 tls dialect.
8939 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8941 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8943 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8944 (ix86_init_machine_status): Initialize new field.
8945 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8946 (ix86_tls_module_base): New.
8947 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8948 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8949 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8950 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8951 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8952 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8953 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8954 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8955 * config/i386/predicates.md (tls_modbase_operand): New.
8956 (tp_or_register_operand): New.
8958 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8960 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8961 (look_for_address_of): Ditto.
8962 (ipa_init): Walk the function decls.
8963 (static_execute): Don't set readonly on FUNCTION_DECL's.
8965 2006-01-18 Roger Sayle <roger@eyesopen.com>
8967 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8968 for shifts where the source and destination registers are different.
8970 2006-01-18 Paul Brook <paul@codesourcery.com>
8972 Merge from csl-arm-branch.
8973 2005-03-14 Julian Brown <julian@codesourcery.com>
8974 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8975 (aeabi_llsl): Likewise.
8976 (ashrdi3): Likewise.
8977 (aeabi_lasr): Likewise.
8978 (lshrdi3): Likewise.
8979 (aeabi_llsr): Likewise.
8980 2005-03-10 Julian Brown <julian@codesourcery.com>
8981 * config.gcc: Disable shared libgcc for SymbianOS.
8982 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8984 2006-01-18 DJ Delorie <dj@redhat.com>
8986 * c-pragma.c (handle_pragma_diagnostic): New.
8987 (init_pragma): Register it.
8988 * doc/extend.texi: Document it.
8990 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8991 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8992 (diagnostic_context): Add classify_diagnostic[].
8993 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8994 as errors if they're overridden to DK_WARNING.
8995 (diagnostic_initialize): Initialize classify_diagnostic[].
8996 (diagnostic_set_kind_override): New.
8997 (diagnostic_report_diagnostic): Check for kind changes.
8998 * opts.c (common_handle_option): Take lang_mask. Update callers.
9000 * common.opt (Werror=): New.
9001 * doc/invoke.texi: Document -Werror=*
9003 2006-01-18 Jeff Law <law@redhat.com>
9005 * tree-vrp.c (test_for_singularity): Correct test for new
9006 min limit. Use operand_equal_p rather than pointer equality
9007 for testing if new min/max values are equal.
9009 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9010 using range information until after propagation and folding.
9012 2006-01-18 Richard Henderson <rth@redhat.com>
9013 Aldy Hernandez <aldyh@redhat.com>
9014 Jakub Jelinek <jakub@redhat.com>
9015 Diego Novillo <dnovillo@redhat.com>
9017 * omp-low.c: New file.
9018 * c-omp.c: New file.
9020 2006-01-18 Richard Henderson <rth@redhat.com>
9021 Jakub Jelinek <jakub@redhat.com>
9022 Diego Novillo <dnovillo@redhat.com>
9024 * doc/invoke.texi: Document -fopenmp.
9025 * tree-dump.h (debug_function): Declare.
9026 * hooks.c (hook_bool_tree_bool_false): New function.
9027 (hook_tree_tree_null): Remove.
9028 (hook_tree_tree_tree_null): New.
9029 * hooks.h: Update to match.
9030 * tree-pretty-print.c (debug_tree_chain): New.
9031 (print_generic_expr): Handle TDF_CHAIN.
9032 (dump_generic_node): Handle BLOCK.
9033 Do not abort with incomplete SWITCH_EXPRs.
9034 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9035 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9036 print space after directive name.
9037 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9038 Handle OMP_MASTER and OMP_ORDERED.
9039 Handle printing of OMP_BODY just in one place, goto
9040 dump_omp_body in the rest of OMP_* nodes that have
9042 Don't handle clause nodes here. Update omp statements to
9043 use dump_omp_clauses.
9044 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9045 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9046 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9047 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9048 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9049 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9050 Adjust output for GOMP_PARALLEL.
9051 (dump_omp_clauses): New.
9052 (print_declaration): Dump DECL_VALUE_EXPR.
9053 (op_symbol_1): Split out of op_symbol.
9054 (dumping_stmts): Remove. Update all users.
9055 * cgraph.c (cgraph_analyze_queue): New.
9056 (cgraph_add_new_function): New.
9057 * cgraph.h (cgraph_analyze_queue): Declare.
9058 (cgraph_add_new_function): Declare.
9059 (cgraph_lower_function): Remove.
9060 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9061 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9062 and TYPE_P nodes in its default clause.
9063 (empty_body_p): New.
9064 (tree_range_check_failed): New.
9066 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9067 OMP_CLAUSE_REDUCTION_MERGE,
9068 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9069 OMP_CLAUSE_PRIVATE_DEBUG,
9070 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9071 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9072 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9073 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9074 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9075 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9076 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9077 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9078 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9079 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9080 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9081 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9082 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9083 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9084 (TREE_RANGE_CHECK): New.
9085 (empty_body_p): Declare.
9086 (enum omp_clause_default_kind): New.
9087 (build_string_literal): Declare.
9088 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9089 (build5_stat, build5): Declare.
9090 * tree-pass.h (TDF_CHAIN): Define.
9091 * tree-pass.h (PROP_gimple_lomp): Define.
9092 (pass_lower_omp): Declare.
9093 * diagnostic.h (debug_tree_chain): Declare.
9094 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9096 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9097 * builtins.c (build_string_literal): Make extern.
9098 * gcc.c (include_spec_function): New.
9099 (static_spec_functions): Add it.
9100 (main): Move load of libgomp.spec ...
9101 (LINK_COMMAND_SPEC): ... here.
9102 (link_gomp_spec): New.
9103 (static_specs): Include it.
9104 (LINK_COMMAND_SPEC): Add link_gomp.
9105 (GOMP_SELF_SPECS): New.
9106 (driver_self_specs): Include it.
9107 (switch_matches): Don't mark inline.
9108 (main): Load libgomp.spec.
9109 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9110 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9111 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9112 * tree-gimple.h (enum omp_parallel): Declare.
9113 (determine_parallel_type): Declare.
9114 (omp_firstprivatize_variable): Declare.
9115 (omp_reduction_init): Declare.
9116 (diagnose_omp_structured_block_errors): Declare.
9117 (struct walk_stmt_info): Add want_return_expr.
9118 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9119 (find_omp_clause): Declare.
9120 (insert_field_into_struct): Declare.
9121 (struct walk_stmt_info): Move from tree-nested.c
9122 (walk_stmts): Declare.
9123 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9125 * cgraphunit.c (cgraph_lower_function): Make static.
9126 (cgraph_finalize_pending_functions): New.
9127 (cgraph_finalize_function): Call it.
9128 (cgraph_finalize_compilation_unit): Likewise.
9129 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9130 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9131 (BT_FN_UINT_UINT): New.
9132 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9133 DEF_FUNCTION_TYPE_VAR_4): Document.
9134 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9135 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9136 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9137 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9138 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9139 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9140 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9141 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9142 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9143 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9144 into separate files.
9145 (DEF_GOMP_BUILTIN): New.
9146 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9147 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9148 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9149 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9150 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9151 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9152 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9153 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9154 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9155 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9156 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9157 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9158 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9159 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9160 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9161 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9162 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9163 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9164 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9165 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9166 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9167 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9168 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9169 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9170 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9171 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9172 * sync-builtins.def: New file, moved from builtins.def.
9173 * omp-builtins.def: New file, moved from builtins.def.
9174 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9175 * gimple-low.c (lower_function_body): Clear data.
9176 (lower_stmt): Do not handle COMPOUND_EXPR.
9177 Remove call to print_node_brief.
9178 * c-tree.h (c_finish_omp_clauses): New prototype.
9179 (C_DECL_THREADPRIVATE_P): Define.
9180 (lookup_name_no_remap, c_omp_remap_private): Remove
9181 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9182 (check_for_loop_decls): Update decl.
9183 (lookup_name_no_remap, c_omp_remap_private): Declare.
9184 (build_indirect_ref, build_modify_expr, pushdecl,
9185 pushdecl_top_level): Move to c-common.h.
9186 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9187 before the switch, but just in the 2 places that need it.
9188 * c-decl.c (diagnose_mismatched_decls): Do not check for
9189 mismatched thread-local attributes when OLDDECL is marked
9190 threadprivate and NEWDECL has no thread-local attributes.
9191 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9192 (c_gimple_diagnostics_recursively): Rename from
9193 c_warn_unused_result_recursively. Invoke
9194 diagnose_omp_structured_block_errors.
9195 (check_for_loop_decls): Return a singular decl found.
9196 * langhooks.c (lhd_omp_predetermined_sharing): Return
9197 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9198 (lhd_omp_firstprivatize_type_sizes): New.
9199 (lhd_omp_assignment): New.
9200 (lhd_omp_predetermined_sharing): New.
9201 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9202 (struct lang_hooks_for_types): Add
9203 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9204 omp_predetermined_sharing, omp_disregard_value_expr,
9205 omp_private_debug_clause, omp_clause_default_ctor,
9206 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9207 (c_finish_omp_clauses): New.
9208 (c_finish_bc_stmt): Diagnose break within omp for.
9209 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9210 (build_unary_op): Return error_mark after reporting
9212 (build_modify_expr): Likewise.
9213 * gimplify.c: Include optabs.h and pointer-set.h.
9214 (enum gimplify_omp_var_data): Declare.
9215 (struct gimplify_omp_ctx): Declare.
9216 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9218 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9219 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9220 (splay_tree_compare_decl_uid): New.
9221 (new_omp_context): New.
9222 (delete_omp_context): New.
9223 (gimple_add_tmp_var): Call omp_add_variable.
9224 (gimplify_bind_expr): Likewise.
9225 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9226 true, disregard DECL_VALUE_EXPR on the decl if any.
9227 (gimplify_expr_in_ctx): New.
9228 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9229 omp_add_variable, omp_notice_variable, omp_is_private
9230 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9231 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9232 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9233 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9234 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9235 gimplify_omp_atomic): New.
9236 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9237 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9238 OMP_CRITICAL and OMP_ATOMIC.
9239 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9240 * c-pragma.h (enum pragma_kind): Add
9241 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9242 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9243 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9244 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9245 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9246 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9247 PRAGMA_OMP_THREADPRIVATE.
9248 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9249 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9250 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9251 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9252 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9253 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9254 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9255 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9256 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9257 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9258 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9259 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9260 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9262 (struct nesting_info): Add field_map,
9263 suppress_expansion, debug_var_chain.
9264 (create_nesting_tree): Initialize them.
9265 (lookup_field_for_decl): Use field_map.
9266 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9267 (convert_local_omp_clauses): New.
9268 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9269 (walk_body): Split out of walk_function.
9270 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9271 (convert_nonlocal_reference): Handle omp statements.
9272 (convert_local_reference): Likewise.
9273 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9274 (unnest_nesting_tree): New.
9275 (lower_nested_functions): Call it.
9276 (insert_field_into_struct): Make extern.
9277 (struct walk_stmt_info): Move to tree-gimple.h.
9278 (walk_stmts): Make extern.
9279 * omp-builtins.def: New file.
9280 * tree-iterator.c (expr_only): Clarify comment.
9281 * c-common.h (pushdecl_top_level, pushdecl,
9282 build_modify_expr, build_indirect_ref,
9283 c_finish_omp_master, c_finish_omp_critical,
9284 c_finish_omp_ordered, c_finish_omp_barrier,
9285 c_finish_omp_atomic, c_finish_omp_flush,
9286 c_finish_omp_for, c_split_parallel_clauses,
9287 omp_clause_default_kind, c_omp_sharing_predetermined,
9288 c_omp_remap_decl): Declare.
9289 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9290 (OBJS-common): Add omp-low.o.
9291 (c-omp.o, omp-low.o): Add.
9292 (gimplify.o): Add dependency on $(OPTABS_H).
9293 (GTFILES): Add omp-low.c.
9294 (gt-stringpool.h): Add.
9295 * tree-cfg.c (set_bb_for_stmt): Do not update the
9296 block-to-labels map if we are currently expanding to RTL.
9297 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9299 Handle IDENTIFIER_NODE.
9300 (tree_verify_flow_info): Do not ICE when emitting error
9301 messages about invalid labels.
9302 (dump_function_to_file): Reset CFUN before emitting the body
9304 (debug_function): New.
9305 * passes.c (init_optimization_passes): Schedule
9307 * langhooks-def.h (lhd_omp_predetermined_sharing,
9308 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9310 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9311 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9312 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9313 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9314 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9315 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9316 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9317 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9318 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9319 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9320 (LANG_HOOK_DECLS): Use them.
9322 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9323 Richard Henderson <rth@redhat.com>
9324 Jakub Jelinek <jakub@redhat.com>
9325 Diego Novillo <dnovillo@redhat.com>
9327 * c-parser.c (pragma_omp_clause): Define.
9328 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9329 (c_parser_compound_statement): Likewise.
9330 (c_parser_statement): Likewise.
9331 (c_parser_pragma): Handle omp pragmas.
9332 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9333 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9334 (c_parser_omp_clause_name, check_no_duplicate_clause,
9335 c_parser_omp_variable_list,
9336 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9337 c_parser_omp_clause_copyprivate,
9338 c_parser_omp_clause_default,
9339 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9340 c_parser_omp_clause_lastprivate,
9341 c_parser_omp_clause_nowait,
9342 c_parser_omp_clause_num_threads,
9343 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9344 c_parser_omp_clause_reduction,
9345 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9346 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9347 c_parser_omp_atomic, c_parser_omp_barrier,
9348 c_parser_omp_critical, c_parser_omp_flush,
9349 c_parser_omp_for_loop, c_parser_omp_for,
9350 c_parser_omp_master, c_parser_omp_ordered,
9351 c_parser_omp_sections_scope, c_parser_omp_sections,
9352 c_parser_omp_parallel, c_parser_omp_single,
9353 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9354 * c-pragma.c (init_pragma): Do omp pragma registration here.
9355 * c.opt (fopenmp): New flag.
9357 2006-01-18 Eric Christopher <echristo@apple.com>
9359 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9360 * config/darwin.h (GOMP_SELF_SPECS): Define.
9362 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9364 * rtl.h: Remove the prototype for reg_alloc.
9366 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9369 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9370 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9371 sjlj and dwarf2 exception handling.
9372 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9373 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9374 * pa/pa.c (function_value): Treat complex and vector types as
9376 (function_arg): Likewise. Only pass scalar floats in the floating
9377 point argument registers.
9378 * pa/t-slibgcc-dwarf-ver: New file.
9379 * pa/t-slibgcc-sjlj-ver: New file.
9380 * pa/t-slibgcc-elf-ver: Delete file.
9382 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9384 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9385 unlikely_test_section_p test.
9387 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9389 * mode-switching.c (optimize_mode_switching): Make it static.
9390 * basic-block.h: Remove the prototype for
9391 optimize_mode_switching.
9393 * modulo-sched.c (sms_schedule): Make it static.
9394 * rtl.h: Remove the prototype for sms_schedule.
9396 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9397 * rtl.h: Remove the prototype for gcse_after_reload_main.
9399 * reg-stack.c (reg_to_stack): Make it static.
9400 * rtl.h: Remove the prototype for reg_to_stack.
9402 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9404 * rtl.h: Remove the prototypes for regrename_optimize and
9405 copyprop_hardreg_forward.
9407 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9409 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9410 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9411 Test against the appropriate null constant for the mode.
9412 If 'fixup_overlap' is true, swap the operands if they overlap.
9413 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9414 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9415 alpha_split_tmode_pair and adjust for above change.
9416 * config/alpha/alpha.md (movtf_internal): Adjust call to
9417 alpha_split_tfmode_pair and rely on it to swap the operands.
9418 (movti_internal): New insn and post-reload splitter.
9419 (movti): New expander.
9421 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9423 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9426 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9428 * rtlanal.c (global_reg_mentioned_p_1,
9429 global_reg_mentioned_p): Remove.
9430 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9432 * flow.c (initialize_uninitialized_subregs): Make it static.
9433 * rtl.h: Remove the prototype for
9434 initialize_uninitialized_subregs.
9436 * function.c (instantiate_virtual_regs): Make it static.
9437 * function.h: Remove the prototype for
9438 instantiate_virtual_regs.
9440 * regmove.c (regmove_optimize, combine_stack_adjustments):
9442 * rtl.h: Remove the prototypes for regmove_optimize and
9443 combine_stack_adjustments.
9445 2006-01-17 Roger Sayle <roger@eyesopen.com>
9447 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9448 (size_cost): Encode costs in bytes so that a reg-reg addition is
9449 equivalent to COSTS_N_INSNS(1).
9450 (override_options): Use the size_cost.branch_cost as the default
9451 ix86_branch_cost when optimizing for size.
9453 2006-01-18 Ben Elliston <bje@au.ibm.com>
9455 * Makefile.in (D32PBIT_FUNCS): New.
9456 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9457 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9458 D64PBIT_FUNCS and D128PBIT_FUNCS.
9459 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9460 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9462 (decnumber_dep): Define.
9463 * doc/libgcc.texi (Decimal float library routines): New node.
9464 * config/dfp-bit.h, config/dfp-bit.c: New files.
9466 2006-01-18 Ben Elliston <bje@au.ibm.com>
9468 * expr.c (emit_move_change_mode): Always adjust addresses, not
9469 just during reload. Copy replacements only during reload.
9470 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9471 emit_move_via_integer.
9473 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9475 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9476 instead of $(srcdir) and ${srcdir}.
9478 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9482 * arm.h (struct machine_function): Add pic_reg.
9483 * arm.c (arm_pic_register): Make unsigned.
9484 (arm_override_options): Only set arm_pic_register if
9485 TARGET_SINGLE_PIC_BASE.
9486 (use_return_insn): Only test for a pic register if it is fixed.
9487 (arm_compute_save_reg0_reg12_mask): Likewise.
9488 (thumb_compute_save_reg_mask): Likewise.
9489 (legitimate_pic_operand): Factor out some known invariants.
9490 (legitimize_pic_address): If we don't have a fixed pic register,
9491 then set up a pseudo in the function entry sequence. Handle the
9492 pic base being in a pseudo.
9493 (arm_load_pic_register): Handle the pic register being in a pseudo.
9494 (arm_expand_prologue): Only set up the pic register if it is fixed.
9495 (thumb_expand_prologue): Likewise.
9496 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9497 (pic_load_addr_based_insn): Likewise.
9498 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9501 2006-01-18 Ben Elliston <bje@au.ibm.com>
9503 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9504 decimal float modes for all floating point registers.
9506 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9507 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9509 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9512 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9513 even when the pointer is not NULL.
9515 2006-01-16 Ian Lance Taylor <ian@airs.com>
9517 * common.opt (ftoplevel-reorder): New option.
9518 * cgraph.c (cgraph_asm_nodes): New global variable.
9519 (cgraph_asm_last_node): New static variable.
9520 (cgraph_order): New global variable.
9521 (cgraph_create_node): Set new order field.
9522 (cgraph_varpool_node): Likewise.
9523 (decide_is_variable_needed): Return true if not
9524 flag_toplevel_reorder.
9525 (cgraph_add_asm_node): New function.
9526 * cgraph.h (struct cgraph_node): Add order field.
9527 (struct cgraph_varpool_node): Add order field.
9528 (struct cgraph_asm_node): Define.
9529 (cgraph_asm_nodes, cgraph_order): Declare.
9530 (cgraph_add_asm_node): Declare.
9531 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9533 (cgraph_varpool_assemble_pending_decls): Call it.
9534 (cgraph_output_pending_asms): New static function.
9535 (cgraph_finalize_compilation_unit): Call it.
9536 (struct cgraph_order_sort): Define.
9537 (cgraph_output_in_order): New static function.
9538 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9539 !flag_toplevel_reorder case.
9540 * c-parser.c: Include "cgraph.h".
9541 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9543 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9544 than -fno-unit-at-a-time.
9545 * doc/invoke.texi (Option Summary): Mention
9546 -fno-toplevel-reorder.
9547 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9548 -funit-at-a-time documentation.
9550 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9551 Kazu Hirata <kazu@codesourcery.com>
9553 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9555 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9557 * Makefile.in (FUNCTION_H): New. Use it instead of
9558 function.h throughout the file.
9559 * function.h: Include tree.h.
9561 2006-01-17 Ben Elliston <bje@au.ibm.com>
9563 * recog.c: Separate some functions with whitespace.
9565 2006-01-16 Richard Henderson <rth@redhat.com>
9567 Merge from gomp branch:
9568 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9569 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9570 and rename from struct inline_data. Rename callee* to dst*;
9571 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9572 transform_new_cfg, transform_return_to_modify, and
9573 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9575 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9576 (copy_decl_for_dup): Remove.
9577 * tree-inline.c (struct inline_data): Move to header.
9578 (insert_decl_map): Export.
9579 (remap_decl): Update for member name changes. Use copy_decl hook.
9580 Allow for replacement to be a non-decl. Remove dead code.
9581 (remap_type_1): Check for existing mapping.
9582 (remap_type): Export.
9583 (remap_decls): Update for member name changes.
9584 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9585 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9586 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9587 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9588 (tree_function_versioning, build_duplicate_type): Likewise.
9589 (copy_body_r): Likewise. Export.
9590 (copy_decl_for_dup): Split into ...
9591 (copy_decl_for_dup_finish, copy_decl_to_var,
9592 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9593 (replace_ref_tree, inlining_p): Remove.
9595 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9597 * ifcvt.c (if_convert): Make it static.
9598 * rtl.h: Remove the prototype for if_convert.
9600 * local-alloc.c (local_alloc): Make it static.
9601 * rtl.h: Remove the prototype for local_alloc.
9603 * loop.c (loop_optimize): Make it static.
9604 * cfgloop.h: Remove the prototype for loop_optimize.
9607 2006-01-16 DJ Delorie <dj@redhat.com>
9609 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9612 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9614 * pa.md: Disparage copies between general and floating-point registers
9615 in 32-bit move patterns.
9617 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9620 * Makefile.in (check-%): Depend on site.exp instead of
9621 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9624 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9626 * global.c (global_alloc): Make it static.
9627 * rtl.h: Remove the prototype for global_alloc.
9629 2006-01-16 Richard Guenther <rguenther@suse.de>
9631 * tree-ssa-alias.c (struct used_part): Add write_only field.
9632 (get_or_create_used_part_for): Initialize it to true.
9633 (create_overlap_variables_for): Don't create structure variables
9634 for structures that only are written to.
9635 (find_used_portions): Handle MODIFY_EXPR to track whether a
9636 structure is only written to.
9638 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9640 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9642 * basic-block.h: Remove the prototype for
9643 partition_hot_cold_basic_blocks.
9645 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9647 * cppspec.c (lang_specific_spec_functions): Remove.
9648 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9649 * gcc.h (lang_specific_spec_functions): Remove.
9650 * gccspec.c (lang_specific_spec_functions): Remove.
9652 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9654 * combine.c (record_value_for_reg): Invalidate registers
9656 (record_dead_and_set_regs_1): Likewise, by passing them to
9657 record_value_for_reg.
9658 (record_dead_and_set_regs): Invalidate stores made by a
9659 call. We do not combine across a call, but we still
9660 relied on equivalences.
9662 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9664 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9665 vrp_int_const_binop returning non-constant nodes.
9667 2006-01-16 Paul Brook <paul@codesourcery.com>
9669 * config/m68k/m68k.c (output_move_const_into_data_reg):
9670 Output correct mnemonic for mvz and mvs.
9672 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9674 * rtl-factoring.c: Add sequence abstraction algorithm.
9675 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9676 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9678 (block_has_preserve_label): New function.
9679 * common.opt: Register new pass.
9680 * Makefile.in: Ditto.
9682 * timevar.def: Ditto.
9683 * tree-pass.h: Ditto.
9684 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9685 * rtl.h (make_jump_insn_raw): Add forward decl.
9686 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9688 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9689 Roger Sayle <roger@eyesopen.com>
9691 * fold-const.c (fold_minmax): New static function.
9692 (fold_binary) <MIN_EXPR>: Call it.
9693 <MAX_EXPR>: Likewise.
9694 * stor-layout.c (place_field): Use DECL_SIZE consistently
9695 in the computation of the new record size.
9697 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9699 * cse.c (cse_condition_code_reg): Make it static.
9700 * rtl.h: Remove the prototype for cse_condition_code_reg.
9702 * combine.c (combine_instructions): Make it static.
9703 * rtl.h: Remove the prototype for combine_instructions.
9705 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9708 * tree.c (get_file_function_name_long): Concatenate the first global
9709 object name with a string derived from the input filename of the object
9712 2006-01-16 Ben Elliston <bje@au.ibm.com>
9714 * config/i386/winnt-stubs.c: Update FSF address.
9715 * config/xtensa/ieee754-df.S: Ditto.
9716 * config/xtensa/ieee754-sf.S: Ditto.
9718 2006-01-14 Ian Lance Taylor <ian@airs.com>
9720 * ifcvt.c (noce_init_if_info): New static function, broken out of
9721 noce_process_if_block.
9722 (noce_process_if_block): Call noce_init_if_info.
9723 (check_cond_move_block): New static function.
9724 (cond_move_process_if_block): New static function.
9725 (process_if_block): Call cond_move_process_if_block.
9727 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9729 * cselib.c (hash_table): Rename to cselib_hash_table.
9730 (cselib_clear_table, discard_useless_values,
9731 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9732 cselib_init, cselib_finish): Adjust uses of hash_table.
9734 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9736 PR tree-optimization/25485
9737 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9738 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9739 is known to be false and true, respectively.
9741 2006-01-14 Richard Guenther <rguenther@suse.de>
9743 PR tree-optimization/22548
9744 PR tree-optimization/22555
9745 PR tree-optimization/22501
9746 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9747 * params.def (salias-max-array-elements): New parameter.
9748 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9749 * doc/invoke.texi (salias-max-array-elements): Document.
9750 * tree-flow-inline.h (var_can_have_subvars): We also handle
9752 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9754 * tree-ssa-structalias.c (params.h): Include.
9755 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9756 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9757 (get_constraint_for): For ADDR_EXPR operating on something
9758 containing an ARRAY_REF, add all subvars to the solution.
9759 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9760 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9761 for creating MUST_DEFs.
9762 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9764 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9766 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9768 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9769 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9770 number_of_iterations_le): New functions.
9771 (number_of_iterations_special): Removed.
9772 (number_of_iterations_exit): Do not use number_of_iterations_special.
9773 * tree.c (unsigned_type_for): Always return integer type.
9775 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9776 Richard Guenther <rguenther@suse.de>
9778 PR rtl-optimization/24257
9779 * gcse.c (find_moveable_store): Only consider a store movable
9780 when the SET_SRC of the insn can be assigned to a register.
9782 2006-01-14 Ian Lance Taylor <ian@airs.com>
9784 * tree.c (tree_not_class_check_failed): New function.
9785 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9786 (tree_not_class_check_failed): Declare.
9788 2006-01-13 Ian Lance Taylor <ian@airs.com>
9790 * reload1.c (do_output_reload): Add assertion rejecting a
9793 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9795 * combine.c (struct reg_stat): Add new fields truncation_label and
9797 (record_value_for_reg): Reset truncated_to_mode.
9798 (record_truncated_value): New function.
9799 (check_promoted_subreg): Call it. Rename to check_conversions.
9800 (combine_instructions): Rename check_promoted_subreg to
9802 (reg_truncated_to_mode): New function.
9803 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9804 (gen_lowpart_or_truncate): New function.
9805 (force_to_mode): Use it instead of gen_lowpart.
9807 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9809 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9810 VAR is a tag, not its type tag.
9812 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9814 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9815 alternatives to match style of other entries.
9816 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9818 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9820 PR tree-optimization/25771
9821 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9824 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9827 * tree-inline.c (declare_return_variable): If the return variable
9828 was marked as a non gimple complex, set the return slot variable
9829 to be a non gimple comple variable.
9831 2006-01-13 Richard Guenther <rguenther@suse.de>
9833 * builtins.c (expand_builtin_sincos): New function.
9834 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9836 (expand_builtin): Expand sincos using expand_builtin_sincos.
9838 2006-01-12 DJ Delorie <dj@redhat.com>
9840 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9841 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9842 so that constant shifts can be split.
9843 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9844 (m32c_valid_pointer_mode): Make static.
9845 (shift_gen_func_for): New.
9846 (m32c_prepare_shift): Use it. Split large const shifts into
9848 * config/m32c/predicates.md (shiftcount_operand): Allow more
9850 (longshiftcount_operand): New.
9851 * doc/md.texi (Machine Constraints): Document In6.
9853 2006-01-13 Ben Elliston <bje@au.ibm.com>
9855 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9856 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9859 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9861 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9862 to try to avoid clobbering pieces of structures when we know
9863 something about the whole structure.
9864 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9866 2006-01-13 Ben Elliston <bje@au.ibm.com>
9868 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9869 return in memory, as this is no limitation is no longer present.
9871 2006-01-12 DJ Delorie <dj@redhat.com>
9873 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9874 mova with fb, and for fb+0 -> An.
9876 * config/m32c/mov.md (peephole2): Fix enabling logic.
9878 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9879 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9880 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9881 FINI_ARRAY_SECTION_ASM_OP): Define.
9883 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9885 (m32c_legitimize_reload_address): New logic to reload FB to An.
9886 (m32c_output_reg_push): Add newline.
9887 (m32c_output_reg_pop): Likewise.
9889 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9891 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9893 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9895 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9897 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9899 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9902 2006-01-11 Ben Elliston <bje@au.ibm.com>
9904 * rtlanal.c (find_reg_note): Assert insn is not null.
9906 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9908 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9911 2006-01-11 Jeff Law <law@redhat.com>
9913 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9915 (mark_threaded_blocks, register_jump_thread): New functions.
9916 (thread_through_all_blocks): Remove unwanted argument. No
9917 longer rely on e->aux to communicate thread target info.
9918 Call mark_threaded_blocks. Release the threaded_blocks
9919 bitmap and threaded_edges vector when complete.
9920 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9921 (threaded_blocks): Remove.
9922 (tree_ssa_dominator_optimize): Remove initialization and
9923 finalization of threaded_blocks. Simplify call to
9924 thread_through_all_blocks.
9925 (thread_across_edge): Call register_jump_thread rather than
9926 storing thread information into e->aux.
9927 (free_all_edge_infos): Simplify now that e->aux is no longer
9928 used to communicate with thread_through_all_blocks.
9929 * tree-flow.h (thread_through_all_blocks): Update prototype.
9930 (register_jump_thread): Prototype.
9932 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9934 * df-core.c (df_compact_blocks, df_bb_replace): Use
9935 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9937 2006-01-11 Richard Guenther <rguenther@suse.de>
9939 PR tree-optimization/25734
9940 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9941 stop propagation after successful propagation to the LHS.
9943 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9945 * basic-block.h (control_flow_graph): Change the type of
9946 x_basic_block_info to VEC(basic_block,gc) *.
9947 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9949 (SET_BASIC_BLOCK): New.
9950 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9951 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9952 * cfgbuild.c (find_basic_blocks): Likewise.
9953 * cfglayout.c (fixup_reorder_chain): Likewise.
9954 * cfgrtl.c (create_basic_block_structure,
9955 rtl_create_basic_block): Likewise.
9956 * ifcvt.c (find_if_case_1): Likewise.
9957 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9960 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9962 * Makefile.in: Removed rotted odf.c entry.
9964 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9967 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9968 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9969 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9970 output pattern modifier, not %e.
9971 * config/cris/cris.c (cris_op_str): Update comment about pattern
9973 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9974 before falling through into...
9975 <case 'E'>: Redefined from old 'e' case.
9977 2006-01-11 Jan Hubicka <jh@suse.cz>
9980 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9982 2006-01-11 Jan Hubicka <jh@suse.cz>
9984 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9985 * i386.c (x86_decompose_lea): Kill.
9986 (ix86_rtx_costs): Kill.
9988 2006-01-11 Jan Hubicka <jh@suse.cz>
9990 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9991 * cgraph.h (cgraph_node): Add inline_decl.
9992 (cgraph_insert_node_to_hashtable): Declare.
9993 (save_inline_function_body): Declare.
9994 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9996 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9997 (cgraph_function_versioning): Update call of tree_function_versioning.
9998 (save_inline_function_body): New function.
9999 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10000 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10001 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10002 (cgraph_default_inline_p): Likewise.
10003 (cgraph_decide_inlining_incrementally): Likewise.
10004 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10005 (copy_bb): Kill saving; do updating of clones.
10006 (copy_cfg_body): Kill saving.
10007 (initialize_inlined-parameters): Likewise.
10008 (expand_call_inline): Likewise.
10010 (tree_function_versioning): New parameter "update_clones".
10011 (inlining_p): Kill saving.
10012 * tree-inline.h (tree_function_versioning): Update prototype.
10013 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10016 2006-01-11 Ian Lance Taylor <ian@airs.com>
10018 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10019 Allow undoing set of machine mode.
10020 (do_SUBST): Use enums instead of is_int.
10021 (do_SUBST_MODE): New function.
10022 (SUBST_MODE): New macro.
10023 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10024 reg and trying to replace reg_regno_rtx with a new register.
10025 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10026 (simplify_set): Use SUBST_MODE.
10027 (distribute_notes): Remove code that tried to update reg notes
10028 for regno_reg_rtx changes.
10030 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10032 PR tree-optimization/23109
10033 PR tree-optimization/23948
10034 PR tree-optimization/24123
10036 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10037 * tree-cfg.c (single_noncomplex_succ): New.
10038 * tree-flow.h (single_noncomplex_succ): Declare it.
10039 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10040 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10041 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10042 insert_bb, register_division_in, insert_reciprocals,
10043 replace_reciprocal, free_bb): New.
10044 (execute_cse_reciprocals_1): Rewritten.
10045 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10046 Do not commit any edge insertion. Always compute dominators and
10047 create the allocation pool.
10048 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10049 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10050 * targhooks.c (default_min_divistions_for_recip_mul): New.
10051 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10052 * passes.c (init_optimization_passes): Run recip after tree loop
10054 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10056 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10057 Kenneth Zadeck <zadeck@naturalbridge.com>
10059 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10060 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10061 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10062 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10063 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10064 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10065 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10066 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10067 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10068 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10069 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10070 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10071 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10072 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10073 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10074 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10075 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10076 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10077 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10078 DF_SCAN_POST_ALLOC): New macros.
10079 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10080 df_free_bb_function, df_local_compute_function, df_init_function,
10081 df_dataflow_function, df_confluence_function_0,
10082 df_confluence_function_n, df_transfer_function,
10083 df_finalizer_function, df_free_function, df_dump_problem_function,
10084 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10085 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10086 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10087 df_urec_bb_info, ) New types.
10088 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10090 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10091 df_analyze_simple_change_some_blocks,
10092 df_analyze_simple_change_one_block, df_compact_blocks,
10093 df_bb_replace, df_bb_regno_last_use_find,
10094 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10095 df_insn_regno_def_p, df_find_def, df_find_use,
10096 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10097 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10098 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10099 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10100 debug_df_chain, df_get_dependent_problem, df_chain_create,
10101 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10102 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10103 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10104 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10105 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10106 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10107 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10108 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10109 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10110 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10111 df_reorganize_refs, df_set_state, df_hard_reg_init,
10112 df_read_modify_subreg_p) New public functions.
10113 * df-core.c: The core dataflow solver and glue routines for rtl
10115 (df_init, df_add_problem, df_set_blocks, df_finish,
10116 df_hybrid_search_forward, df_hybrid_search_backward,
10117 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10118 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10119 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10120 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10121 df_reg_defined, df_find_use, df_reg_used, df_dump,
10122 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10123 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10124 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10125 debug_df_useno, reset_df_after_reload): New functions.
10126 * df-scan.c: The scanning fuctions, once in df.c, completely
10127 rewritten so that they now fully model the functionality of
10128 register usage at the backend.
10129 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10130 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10131 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10132 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10133 df_get_artificial_defs, df_get_artificial_uses,
10134 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10135 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10136 df_refs_delete, df_reorganize_refs, df_set_state,
10137 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10138 df_def_record_1, df_defs_record, df_uses_record,
10139 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10140 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10141 df_record_exit_block_uses, df_hard_reg_init): New functions.
10143 * df-problems.c: Seven concrete dataflow problems that use the
10144 scanning in df-scan.c and are solved by the engine in df-core.c.
10145 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10146 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10147 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10148 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10149 df_ru_free_bb_info, df_ru_alloc,
10150 df_ru_bb_local_compute_process_def,
10151 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10152 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10153 df_ru_transfer_function, df_ru_free, df_ru_dump,
10154 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10155 df_rd_free_bb_info, df_rd_alloc,
10156 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10157 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10158 df_rd_transfer_function, df_rd_free, df_rd_dump,
10159 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10160 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10161 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10162 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10163 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10164 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10165 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10166 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10167 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10168 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10169 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10170 df_urec_mark_reg_use_for_earlyclobber,
10171 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10172 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10173 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10174 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10175 df_chain_create_bb_process_use, df_chain_create_bb,
10176 df_chain_finalize, df_chain_free, df_chains_dump,
10177 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10178 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10179 df_reg_lifetime): New functions.
10180 * df.c: Deleted file.
10181 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10182 consistent with new df api.
10183 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10184 rest_of_handle_sms): Ditto.
10185 * web.c (unionfind_union, union_defs, entry_register, web_main):
10187 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10188 invariant_expr_equal_p, find_defs, check_dependencies,
10189 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10190 free_inv_motion_data, move_loop_invariants): Ditto.
10191 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10192 Update dependencies.
10193 (odf.c): Added defective entry that was deleted later in day.
10194 * sched-deps.c (sched_analyze_1): Ditto.
10196 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10198 * tree-ssa-operands.c (get_expr_operands): Record addressable
10199 variables directly. Do not call add_stmt_operands for CONST_DECLs
10201 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10202 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10204 2006-01-11 Ben Elliston <bje@au.ibm.com>
10206 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10207 function returns true in the positive case.
10209 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10212 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10213 for SI, DI, SF and DF modes. Add alternatives to copy between
10214 general and floating point registers to the 32-bit patterns.
10215 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10216 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10217 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10218 generating 64-bit code.
10219 * config/pa/pa.c (output_move_double): Handle copies between general
10220 and floating registers.
10222 2006-01-10 Stuart Hastings <stuart@apple.com>
10224 * config/i386/i386.md (set_got): Update.
10225 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10226 (builtin_setjmp_receiver): Mach-O support.
10227 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10228 (GOT_SYMBOL_NAME): Define.
10229 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10230 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10231 * config/i386/i386.c (override_options): Revise for Darwin.
10232 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10233 support. (darwin_x86_file_end): New. (output_set_got): Add label
10234 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10235 * config/i386/i386-protos.h (output_set_got): Likewise.
10236 * config/darwin.c (machopic_legitimize_pic_address): Update
10239 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10241 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10242 when MODE isn't BLKmode.
10244 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10246 PR rtl-optimization/25367
10247 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10249 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10252 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10253 for a negative bound.
10255 2006-01-10 Richard Guenther <rguenther@suse.de>
10257 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10258 Never override with anything constraint.
10260 2006-01-10 Jan Beulich <jbeulich@novell.com>
10262 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10263 256 bits when optimize_size.
10265 2006-01-10 Jan Beulich <jbeulich@novell.com>
10267 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10269 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10270 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10273 2006-01-10 Ben Elliston <bje@au.ibm.com>
10275 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10277 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10278 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10279 (USE_FP_FOR_ARG): Reject decimal float modes.
10280 (function_arg_advance): Likewise.
10281 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10282 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10283 point types in AltiVec vectors.
10284 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10285 (rs6000_libcall_value): Likewise.
10287 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10289 * config/xtensa/ieee754-df.S: New file.
10290 * config/xtensa/ieee754-sf.S: New file.
10291 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10292 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10293 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10295 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10297 * config/sh/predicates.md (binary_float_operator,
10298 binary_logical_operator, commutative_float_operator,
10299 equality_comparison_operator, greater_comparison_operator,
10300 less_comparison_operator, logical_operator,
10301 noncommutative_float_operator, shift_operator,
10302 symbol_ref_operand, unary_float_operator): Remove redundant
10305 2006-01-09 Jeff Law <law@redhat.com>
10307 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10308 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10309 now unused arguments. Callers updated.
10310 (eliminate_redundant_computations): Remove now unused arguments,
10312 (local_fold): Remove, no longer used.
10313 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10315 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10316 (simplify_cond): New function.
10317 (forward_propagate_into_cond): Call simplify_cond.
10319 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10321 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10322 (*vec_extractv2di_1_sse): New.
10324 2006-01-09 Ben Elliston <bje@au.ibm.com>
10326 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10328 2006-01-08 Richard Guenther <rguenther@suse.de>
10330 * tree-ssa-structalias.c (get_constraint_for): Remove
10331 anyoffset argument.
10332 (get_constraint_for_component_ref): Likewise.
10333 (do_deref): Likewise.
10334 (get_constraint_for): Likewise.
10335 (do_structure_copy): Likewise.
10336 (handle_ptr_arith): Likewise.
10337 (find_func_aliases): Likewise. Remove unused need_anyoffset
10340 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10341 Kaz Kojima <kkojima@gcc.gnu.org>
10343 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10344 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10345 (EXTRA_CONSTRAINT_C16): Remove.
10346 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10347 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10348 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10349 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10350 constants of SHmedia. Handle nested constant expressions of
10352 (andcosts): Fix the costs for SHmedia constants.
10353 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10354 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10355 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10356 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10357 (movv4hi_i, movv2si_i): Likewise.
10358 (movsi_const): Adjust the second operand of ior so to match with
10359 the Csu constraint.
10360 (movdi_const, movdi_const_32bit): Likewise.
10361 (movdi_const_16bit+1): Don't sign-extend LOW.
10362 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10364 (*double_shori): Fix the split condition. Use GEN_INT instead
10365 of get_int_mode calls. Mask lower 16-bit of the argument of
10367 (sym2GOTPLT): Remove.
10368 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10370 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10371 instead of EXTRA_CONSTRAINT_C16.
10373 2006-01-07 Ian Lance Taylor <ian@airs.com>
10374 David Edelsohn <edelsohn@gnu.org>
10376 PR rtl-optimization/25662
10377 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10378 for constant operands instead of simplify_gen_binary.
10379 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10380 after trying simplify_binary_operation
10382 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10384 * tree.c (iterative_hash_expr): Hash decls based on UID.
10386 2006-01-06 Eric Christopher <echristo@apple.com>
10388 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10389 (TARGET_UNWIND_EMIT): Fix spelling.
10390 * target.h (gcc_target): Add except_table_label.
10391 * except.c (output_function_exception_table): Use.
10392 * varasm.c (default_emit_except_table_label): New.
10393 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10395 (asm_out): Add here.
10396 * output.h (default_emit_except_table_label): Prototype.
10397 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10398 * config/darwin.c (darwin_emit_except_table_label): Define.
10399 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10401 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10403 PR tree-optimization/18527
10404 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10405 number_of_iterations_special, number_of_iterations_exit):
10406 Move base and step of an iv to a single structure. Add
10407 no_overflow flag, and use it in # of iterations analysis.
10408 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10409 folded_casts argument.
10410 (simple_iv): Pass base and step in a structure. Set no_overflow
10412 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10413 Evaluate expensiveness of computing # of iterations instead of
10414 the final expression.
10415 * tree-scalar-evolution.h (affine_iv): New structure.
10416 (simple_iv): Declaration changed.
10417 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10418 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10419 find_givs_in_stmt): Changed due to simple_iv change.
10421 2006-01-06 Jeff Law <law@redhat.com>
10424 * tree-cfg.c (bsi_replace): Rename final argument from
10425 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10426 change (stmt -> orig_stmt).
10427 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10428 (bsi_remove): Add new argument. Remove EH information
10430 (verify_eh_throw_table_statements): New function.
10431 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10433 * tree-optimize.c (execute_free_cfg_annotations): Verify
10434 the EH throw statement table after removing annotations.
10435 * except.h (verify_eh_throw_table_statements): Prototype.
10436 * tree-flow.h (bsi_remove): Update prototype.
10437 * tree-vrp.c (remove_range_assertions): Add new argument to
10439 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10440 * tree-complex.c (expand_complex_div_wide): Likewise.
10441 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10442 * tree-tailcall.c (eliminate_tailcall): Likewise.
10443 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10444 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10445 * tree-nrv.c (tree_nrv): Likewise.
10446 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10447 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10448 (combine_blocks): Likewise.
10449 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10450 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10451 (cleanup_control_flow): Likewise.
10452 (remove_forwarder_block): Likewise.
10453 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10454 * tree-sra.c (sra_replace): Likewise.
10455 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10456 (forward_propagate_single_use_vars): Likewise.
10457 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10458 * tree-inline.c (expand_call_inline): Likewise.
10459 * tree-vect-transform.c (vect_transform_loop): Likewise.
10460 * tree-outof-ssa.c (rewrite_trees): Likewise.
10461 * tree-cfg.c (make_goto_expr_edges): Likewise.
10462 (cleanup_dead_labels): Likewise.
10463 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10464 (bsi_move_before, bsi_move_after): Likewise.
10465 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10466 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10468 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10471 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10473 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10474 on non gimple variables. Also add checks at the top for decls and
10476 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10478 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10479 and IMAGPART_EXPR for creating MUST_DEFs.
10480 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10481 and NAME_MEMORY_TAG separately from the DECLs.
10483 2006-01-06 Richard Guenther <rguenther@suse.de>
10485 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10486 annotation, if necessary.
10487 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10488 redundant calls to update_stmt.
10489 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10492 2006-01-05 Richard Henderson <rth@redhat.com>
10494 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10496 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10498 * c-typeck.c: Update copyright date.
10500 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10502 * c-typeck.c (build_c_cast): Always warn when casting
10503 from a pointer to an integer of different size, even if
10504 the node was constant.
10506 2006-01-05 Richard Guenther <rguenther@suse.de>
10508 PR tree-optimization/22555
10509 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10510 if one structure field is an array.
10511 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10512 operands even if we found a subvar, but ignore VOPs in this
10514 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10516 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10518 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10520 PR middle-end/24998
10521 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10523 2006-01-05 Richard Guenther <rguenther@suse.de>
10524 Diego Novillo <dnovillo@redhat.com>
10526 * tree-pass.h (TODO_remove_unused_locals): Define.
10527 * gimple-low.c (expand_var_p, remove_useless_vars,
10528 pass_remove_useless_vars): Remove. Update all users.
10529 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10530 (remove_unused_locals): New function.
10531 * tree-flow.h (remove_unused_locals): Declare.
10532 * passes.c (execute_todo): Call remove_unused_locals if
10533 TODO_remove_unused_locals is set.
10534 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10535 * tree-ssa-dce.c (pass_dce): Likewise.
10536 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10538 2006-01-05 Richard Guenther <rguenther@suse.de>
10540 * tree-flow.h (struct fieldoff): Decompose field to
10541 type, size and decl.
10542 * tree-ssa-alias.c (create_sft): Take type as parameter.
10543 (create_overlap_variables_for): Store type, size and decl
10544 in the fieldoff structure.
10545 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10546 of struct fieldoff.
10547 (push_fields_onto_fieldstack): Likewise.
10548 (create_variable_info_for): Likewise. Use offset for the
10549 SFT name if the decl is not available.
10551 2006-01-04 Paul Brook <paul@codesourcery.com>
10553 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10555 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10557 * lambda-code.c (can_put_in_inner_loop): Relax
10559 (can_put_after_inner_loop): New function.
10560 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10561 (perfect_nestify): Change to make copies and modify uses.
10563 2006-01-04 Richard Henderson <rth@redhat.com>
10565 Merge from gomp branch:
10566 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10567 via integer constant.
10568 (pragma_lex): Remove.
10569 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10570 rather than parsing it.
10571 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10572 handle_pragma_extern_prefix): Add %< %> quotes.
10573 (registered_pragmas): New.
10574 (c_register_pragma_1): New.
10575 (c_register_pragma): Use it.
10576 (c_register_pragma_with_expansion): Likewise.
10577 (c_invoke_pragma_handler): New.
10578 (init_pragma): Use cpp_register_deferred_pragma directly for
10580 * c-pragma.h (enum pragma_kind): New.
10581 (pragma_handler): New.
10582 (c_invoke_pragma_handler): Declare.
10583 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10585 * c-common.h (c_common_pch_pragma): Update decl.
10586 * Makefile.in (c-parser.o): Update dependencies.
10587 (GTFILES): Add c-pragma.h.
10588 * c-parser.c (struct c_token): Add pragma_kind.
10589 (struct c_parser): Add in_pragma.
10590 (c_lex_one_token): Always initialize keyword and pragma_kind.
10591 Extract data for CPP_PRAGMA.
10592 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10593 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10594 Don't allow CPP_PRAGMA_EOL if in_pragma.
10595 (c_parser_consume_pragma): New.
10596 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10597 (c_parser_skip_to_end_of_parameter): Likewise.
10598 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10599 (c_parser_skip_to_pragma_eol): New.
10600 (c_parser_external_declaration): Handle CPP_PRAGMA.
10601 (c_parser_compound_statement_nostart): Likewise.
10602 (c_parser_statement_after_labels): Likewise.
10603 (c_parser_pragma): New.
10604 (pragma_lex): Likewise.
10605 (c_parser_pragma_pch_preprocess): New.
10606 (c_parser_new): Merge into ...
10607 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10609 2006-01-04 Jeff Law <law@redhat.com>
10612 * tree-cfg.c (bsi_replace): Remove the original statement
10613 from the EH throw statement table.
10615 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10617 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10618 make the prototype extern "C" and add throw ().
10621 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10622 and pos non-negative and pos + len <= 32.
10623 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10624 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10625 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10628 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10629 as well as sizes not multiple of component size.
10632 * function.c (instantiate_expr): New function.
10633 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10634 walk its DECL_VALUE_EXPR with instantiate_expr.
10636 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10637 DW_OP_deref{,_size} if address isn't going to be added.
10639 2006-01-04 Ben Elliston <bje@au.ibm.com>
10641 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10642 * config/fp-bit.c: Likewise.
10644 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10646 * dominance.c: Add comment about why we use DFS numbering
10649 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10650 Richard Henderson <rth@redhat.com>
10652 Merge from gomp-branch:
10653 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10654 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10656 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10658 PR rtl-optimization/25578
10659 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10660 pass a parameter to simplify_shift_const if changing ASHIFTRT
10663 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10665 * builtins.c (get_builtin_sync_mem): New function.
10666 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10667 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10668 Call get_builtin_sync_mem to generate mem rtx.
10670 2006-01-03 Richard Guenther <rguenther@suse.de>
10673 * stmt.c (add_case_node): Make sure to clear overflow flags
10676 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10678 Merge from gomp-branch.
10679 * config/sparc/sync.md: New file.
10680 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10681 UNSPECV_LDSTUB): New constants.
10682 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10683 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10684 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10687 2006-01-03 Roger Sayle <roger@eyesopen.com>
10689 * combine.c (reg_subword_p): New predicate to test whether the
10690 destination of a set refers to a subword/piece of a register.
10691 (try_combine): Generalize the code to merge the setting of a
10692 pseudo to a constant followed by a set of a subword of that
10693 register to a constant.
10695 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10697 * basic-block.h (control_flow_graph): Change the type of
10698 x_label_to_block_map to VEC(basic_block,gc) *.
10699 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10700 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10702 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10703 VEC(basic_block,heap) *.
10704 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10705 ssa_prop_fini): Adjust the uses of cfg_blocks.
10707 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10709 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10711 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10712 hashing trees instead of a pointer hash.
10713 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10714 compare for MEM_EXPR.
10716 PR rtl-optimization/25130
10717 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10718 when comparing MEMs for GCSE
10720 2006-01-03 Ben Elliston <bje@au.ibm.com>
10722 * targhooks.h (default_decimal_float_supported_p): Declare.
10723 * targhooks.c (default_decimal_float_supported_p): Define.
10724 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10725 `default_decimal_float_supported_p'.
10726 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10728 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10730 * combine.c (apply_distributive_law <SUBREG>): Check
10731 TRULY_NOOP_TRUNCATION.
10733 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10735 * dwarf2out.c (have_switched_text_section): Delete.
10736 (have_multiple_function_sections): New.
10737 (have_location_lists): Make 'bool'.
10738 (add_AT_loc_list): Use 'true' not '1'.
10739 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10740 (output_loc_list): Use have_multiple_function_sections.
10741 (output_ranges): Likewise.
10742 (dwarf2out_begin_function): Set have_multiple_function_sections if
10744 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10745 Check function_section rather than DECL_SECTION_NAME.
10746 (dwarf2out_finish): Use have_multiple_function_sections.
10747 Don't clear have_location_lists.
10749 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10750 Jan Hubicka <jh@suse.cz>
10752 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10753 case of conditional jump jumping to the next instruction.
10754 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10755 cases of conditional jump jumping to the next instruction.
10757 2006-01-02 Jan Hubicka <jh@suse.cz>
10759 * i386.c (*_cost): Add COSTS_N_INSNS.
10760 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10762 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10765 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10767 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10769 * config/arm/arm.c (all_fpus): Fix comment typo.
10770 * config/darwin.c: Likewise.
10771 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10772 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10773 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10775 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10777 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10778 (rs6000_split_compare_and_swapqhi): New.
10779 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10780 (sync_compare_and_swapqhi_internal): New.
10781 * config/rs6000/rs6000-protos.h: Declare.
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