1 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5 * config/s390/s390.md: Adjust comment describing On constraint.
7 2006-05-11 Jan Hubicka <jh@suse.cz>
9 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15 * fold-const.c (size_binop): Move sanity check for arguments to
16 the beginning of the function.
19 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
22 2006-05-11 Richard Guenther <rguenther@suse.de>
25 * fold-const.c (fold_unary): Handle intermediate conversion
26 to a pointer type like intermediate conversion to an integer
27 type in folding of (T1)(T2)var to var.
28 Match the code to the comment in the final conversion for
29 (T1)(T2)var to (T1)var regarding to type precision. Rather
30 than disallow T1 being of pointer type, assert that both T1
31 and var are of pointer type or not. Make sure not to fall
32 over the frontends lazyness wrt array to pointer decay though.
34 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
36 * arm.c (arm_struct_value_rtx): Delete.
37 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
38 (arm_init_cumulative_args): Always initialize nregs to zero.
40 2006-05-10 Richard Guenther <rguenther@suse.de>
42 PR tree-optimization/27532
43 * tree-object-size.c (plus_expr_object_size): Fix typo.
45 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
48 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
49 ashrdi_const, ashrdi3): Use a scratch register.
51 2006-05-10 Richard Guenther <rguenther@suse.de>
53 PR tree-optimization/27302
54 * fold-const.c (operand_equal_p): For two comparisons,
55 try comparison of one comparison code swapped if that yields
58 2006-05-10 Ben Elliston <bje@au.ibm.com>
60 * tree-pretty-print.c (pretty_print_string): No need to handle
61 '\0' as a special character.
63 * tree.h: Include "hashtab.h".
64 (iterative_hash_expr): Use hashval_t in its prototype.
65 * Makefile.in (TREE_H): Add $(HASHTAB_H).
67 2006-05-09 Steve Ellcey <sje@cup.hp.com>
70 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
71 (hppa*64*-*-hpux11*): Ditto.
72 (hppa[12]*-*-hpux11*): Ditto.
74 2006-05-09 David Edelsohn <edelsohn@gnu.org>
77 * config/rs6000/aix41.h (TARGET_64BIT): Define.
79 2006-05-09 Michael Matz <matz@suse.de>
81 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
82 host_extra_gcc_objs and host_xmake_file.
83 (<*-*-linux*>): Don't overwrite host_xmake_file.
84 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
85 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
86 (host_detect_local_cpu): Declare.
87 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
88 * config/i386/i386.c (override_options): Handle -mtune=native
90 * config/i386/x-i386: New file.
91 * config/i386/driver-i386.c: New file.
92 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
95 2006-05-09 Dirk Mueller <dmueller@suse.de>
96 Richard Guenther <rguenther@suse.de>
99 * fold-const.c (fold_read_from_constant_string): Relax check
100 for matching types to matching modes.
102 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
104 PR rtl-optimization/27335
105 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
108 2006-05-08 Chao-ying Fu <fu@mips.com>
109 Richard Sandiford <richard@codesourcery.com>
111 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
112 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
113 * config/mips/mips.md (UNSPEC_SCC): New constant.
114 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
115 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
116 (mips_emit_compare): Use it.
117 (mips_expand_vcondv2sf): New function.
119 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
121 Fix PR tree-optimization/27093
122 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
123 renaming when they become not-used_alone.
125 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
127 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
128 relocation and relocation stubs.
130 2006-05-08 Eric Christopher <echristo@apple.com>
132 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
135 2006-05-08 Jan Hubicka <jh@suse.cz>
138 * cgraphunit.c (decide_is_function_needed): When not optimizing even
139 unused static functions are needed.
141 2006-05-08 Roger Sayle <roger@eyesopen.com>
144 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
145 of a reg_equiv_constant if the result is a legitimate constant.
147 2006-05-08 Uros Bizjak <uros@kss-loka.si>
150 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
151 standard 80387 constants, raise the cost to prevent
152 compress_float_constant() to generate load from memory.
154 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
156 * config/arm/constraints.md (c): Fix a typo.
158 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
161 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
164 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
166 (_mm_mwait): Likewise.
168 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
170 (sse3_monitor): Make it 32bit only.
171 (sse3_monitor64): New. 64bit monitor.
173 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
176 * config/i386/i386.c (classify_argument): Skip fields with invalid
179 2006-05-07 Richard Guenther <rguenther@suse.de>
181 PR tree-optimization/27409
182 * tree-ssa-structalias.c (get_constraint_for_component_ref):
183 Do not try to find zero-sized subvars.
185 2006-05-07 Richard Guenther <rguenther@suse.de>
187 PR tree-optimization/27136
188 * tree-ssa-loop-niter.c (get_val_for): Correct function
189 comment, assert requirements.
190 (loop_niter_by_eval): Stop processing if the iterated
191 value did not simplify.
193 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
195 * opts.c (flag_see): remove its setting at -O3.
197 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
199 * genpeep.c (main): Make insn-peep.c depend on flags.h.
200 * arm/constraints.md: New file.
201 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
202 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
203 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
204 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
205 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
206 (EXTRA_MEMORY_CONSTRAINT): Likewise.
207 * arm.md: Include constraints.md.
208 (thumb_movsi_insn): Use satisfies_constraint_J.
209 (movhi, movqi): Use satisfies_constraint_I.
211 2006-04-29 Anatoly Sokolov <aesok@post.ru>
213 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
214 for atmeg a645 device.
216 2006-05-06 Richard Guenther <rguenther@suse.de>
218 PR tree-optimization/27151
219 * tree-vect-transform.c (vectorizable_condition): Punt on
220 values that have a different type than the condition.
222 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
225 * c-parser.c (c_parser_cast_expression): Only insert casts into
226 hash table if pointer.
227 * function.c (used_types_insert_helper): Rename from
229 (used_types_insert): Call used_types_insert_helper.
230 * function.h (used_types_insert): Accept only one argument.
232 2006-05-05 David Edelsohn <edesohn@gnu.org>
234 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
235 scratch with output modifier.
237 2006-05-04 David Edelsohn <edelsohn@gnu.org>
240 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
241 with output modifier.
243 2006-05-04 Richard Sandiford <richard@codesourcery.com>
246 * config/mips/mips.c (mips_symbolic_address_p): Return true
247 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
248 SYMBOL_GOTTPREL, and SYMBOL_TLS.
250 2006-05-04 Richard Guenther <rguenther@suse.de>
252 PR tree-optimization/14287
253 PR tree-optimization/14844
254 PR tree-optimization/19792
255 PR tree-optimization/21608
256 PR tree-optimization/27090
257 * tree-ssa-pre.c (try_combine_conversion): New function.
258 (compute_avail): After constructing the value-handle
259 expression, use try_combine_conversion to combine NOP_EXPRs
260 with previous value-handle expressions and use the result if it
263 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
265 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
267 2006-05-04 Jan Hubicka <jh@suse.cz>
270 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
272 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
274 * config/bfin/predicates.md (const01_rtx): Tell generator programs
275 that this only matches CONST_INTs. All users changed to VOIDmode
278 * config/bfin/bfin.c: Include "optabs.h".
279 (bfin_rtx_costs): Some costs for vector operations, to allow combine
281 (enum bfin_builtins): Add a number of fractional and vector builtins.
282 (bfin_init_builtins): Likewise.
283 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
284 (safe_vector_operand, bfin_expand_binop_builtin,
285 bfin_expand_unop_builtin): New functions.
286 (bfin_expand_builtin): Handle the new builtins.
287 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
290 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
293 * Makefile.in (OBJS-common): Add see.o.
294 (see.o): Add dependencies.
295 * common.opt (fsee): New flag for the see optimization was added.
296 * opts.c (flag_see): Initialized.
297 * passes.c (init_optimization_passes, pass_see): New pass.
298 * rtl.h (see_main): Declaration as extern.
299 * timevar.def (TV_SEE): New.
300 * tree-pass.h (pass_see): Declaration as extern.
301 * invoke.texi (-fsee): Document.
302 * recog.c (validate_simplify_insn): New function.
303 * recog.h (validate_simplify_insn): Declaration as extern.
304 * df-problems.c (df_chain_dump): Check for NULL.
306 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
307 Daniel Berlin <dberlin@dberlin.org>
309 * cfgrtl.c (insert_insn_bb_end_new): New function.
310 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
312 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
314 * df.h (struct web_entry): Moved from web.c.
315 (union_defs): Declaration as extern.
316 (unionfind_root): Likewise.
317 (unionfind_union): Likewise.
318 * web.c (struct web_entry): Moved to df.h.
319 (unionfind_root): Remove static declaration.
320 (unionfind_union): Likewise.
321 (union_defs): Likewise and generalize to use callback function.
322 (web_main): Update arguments for union_defs function call.
324 2006-05-04 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/26447
327 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
328 produce SSA_NAME copies before the store stmt to avoid
329 breaking exception handling.
331 2006-05-04 Jakub Jelinek <jakub@redhat.com>
334 * gimplify.c (omp_is_private): If var is shared in some outer context,
335 return false instead of true. Stop searching on parallel context
338 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
341 * coverage.c: Use get_gcov_unsigned_t() instead of
342 unsigned_type_node all over.
344 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
346 PR tree-optimization/27381
347 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
348 maintain the same immediate_use links.
349 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
350 node rather than segfaulting.
352 2006-05-03 Jakub Jelinek <jakub@redhat.com>
355 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
356 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
357 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
359 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
361 Fix PR tree-optimization/26626
362 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
364 * tree-ssa-operands.c (access_can_touch_variable): Allow
365 typecasting through union pointers.
367 2006-05-02 Jakub Jelinek <jakub@redhat.com>
370 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
371 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
372 to find if var will be a global variable even in the nested context.
373 (omp_copy_decl): Only check for global variable at the end, it might
374 be overridden in outer contexts.
375 (scan_sharing_clauses): For global variables don't create a field.
376 (lower_rec_input_clauses): Do nothing for global shared variables.
377 Emit a barrier at the end of ILIST if there were any decls in both
378 firstprivate and lastprivate clauses.
379 (lower_send_clauses): Do nothing for global variables except for
382 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
384 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
385 of the correct signedness is returned.
387 2006-05-02 Jeff Law <law@redhat.com>
389 PR tree-optimization/27364
390 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
391 multiply expressions.
393 2006-05-02 Tom Tromey <tromey@redhat.com>
395 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
397 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
400 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
401 -mthumb -fPIC are used.
403 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
404 Joshua Kinard <kumba@gentoo.org>
407 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
408 with 64-bit pointers.
410 2006-05-02 Paul Brook <paul@codesourcery.com>
412 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
414 (create_fix_barrier): Check that a suitable barrier location is
416 (arm_reorg): Include ftmp->address in allowable range of addresses.
418 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
421 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
424 2006-05-02 Jakub Jelinek <jakub@redhat.com>
427 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
428 around RESULT_DECL for result passed by reference.
429 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
430 * omp-low.c (use_pointer_for_field): Don't look at
431 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
432 (scan_omp_1): Call remap_decl on RESULT_DECLs.
433 (lower_rec_input_clauses): Don't allocate VLA memory for the second
434 time or var for passing by reference for
435 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
436 TREE_ADDRESSABLE variables when passing by reference.
438 * omp-low.c (dump_omp_region): Fix output formatting.
441 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
442 (expand_omp_parallel): Likewise.
443 * tree-cfg.c (move_sese_region_to_fn): Likewise.
446 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
447 on statement list containing also constructors and destructors.
448 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
451 * except.c (duplicate_eh_regions): Fix clearing of
452 cfun->eh->region_array entries.
454 2006-05-01 DJ Delorie <dj@redhat.com>
456 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
458 (gcc_cv_objdump): Likewise.
459 * configure: Regenerated.
461 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
464 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
465 templates for case 3 and 4.
467 2006-05-01 DJ Delorie <dj@redhat.com>
469 * vec.c: Include bconfig.h when appropriate.
470 * Makefile.in (build/vec.o): Adjust dependencies.
471 * mkconfig.sh: Make sure config.h isn't used for build machine
474 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
476 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
478 (mark_phi_for_rewrite): New function.
479 (insert_phi_nodes_for, mark_use_interesting): Call
480 mark_phi_for_rewrite.
481 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
482 (update_ssa): Initialize and free phis_to_rewrite.
484 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
486 PR rtl-optimization/27291
487 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
488 folded to a constant.
490 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
492 PR tree-optimization/27283
493 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
494 not whole # of iteration descriptions.
495 (niter_for_exit): Return just # of iterations. Fail if # of iterations
496 uses abnormal ssa name.
497 (niter_for_single_dom_exit): Ditto.
498 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
499 return just the number of iterations.
501 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
503 PR tree-optimization/27144
504 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
505 (record_estimate): Only record constant upper bound.
506 (infer_loop_bounds_from_undefined): Call
507 compute_estimated_nb_iterations just once.
508 (proved_non_wrapping_p): Renamed to ...
509 (n_of_executions_at_most): ... this. Expect bound to be a constant.
510 (convert_step_widening, scev_probably_wraps_p): Call
511 n_of_executions_at_most instead of proved_non_wrapping_p.
512 (substitute_in_loop_info): Do not replace values in bounds.
513 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
516 2006-05-01 Richard Henderson <rth@redhat.com>
519 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
520 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
523 2006-05-01 Roger Sayle <roger@eyesopen.com>
525 * c-typeck.c (parser_build_binary_op): Don't call the function
526 unsigned_conversion_warning to spot operand/result type overflow.
527 (build_binary_op): Instead, call convert_and_check instead of
528 convert to report the problem when the operands are promoted.
529 * c-common.c (unsigned_conversion_warning): Make static.
530 * c-common.h (unsigned_conversion_warning): Delete prototype.
532 2006-05-01 Richard Guenther <rguenther@suse.de>
534 PR tree-optimization/26726
535 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
537 (find_interesting_uses_address): ... we work around here
538 by folding INDIRECT_REFs in the substituted base.
540 2006-05-01 Diego Novillo <dnovillo@redhat.com>
542 * omp-low.c (dump_omp_region): Add newlines.
544 2006-04-30 Roger Sayle <roger@eyesopen.com>
546 * common.opt (Woverflow): New command line option.
547 * c-common.c (constant_expression_warning): Check warn_overflow.
548 (overflow_waring): Pass OPT_Woverflow to warning.
549 (unsigned_conversion_warning): Likewise.
550 (convert_and_check): Likewise.
551 * doc/invoke.texi: Document new command line option.
553 2006-04-30 David Edelsohn <edelsohn@gnu.org>
555 * config/rs6000/rs6000.c (rs6000_override_options): Enable
556 TARGET_NO_FP_IN_TOC for section anchors.
557 (optimization_options): Enable section anchors for all
558 non-"Objective" languages.
560 2006-04-28 Eric Christopher <echristo@apple.com>
562 * config/darwin-c.c (darwin_ms_struct): Move this
563 (darwin_set_default_type_attributes): and this...
564 * config/darwin.c: ... here.
565 * config/darwin.h (darwin_ms_struct): Declare.
567 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
569 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
571 2006-04-28 Roger Sayle <roger@eyesopen.com>
574 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
575 (push_array_bounds): Delete prototype. Change BOUNDS argument to
576 an unsigned HOST_WIDE_INT.
577 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
579 (really_start_incremental_init): No need to call convert because
580 bitsize_zero_node is already of type bitsizetype.
581 (push_init_level): Extract the value of constructor_index as an
582 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
583 (process_init_element): Likewise.
585 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
587 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
588 value before passing to make_relative_prefix.
590 2006-04-28 Alan Modra <amodra@bigpond.net.au>
593 * builtins.c (expand_builtin_memset): Expand val in original mode.
595 2006-04-27 Eric Christopher <echristo@apple.com>
597 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
599 * config/darwin-c.c (darwin_ms_struct): New.
600 (darwin_pragma_ms_struct): Ditto.
601 (darwin_set_default_type_attributes): Ditto.
602 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
603 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
604 Register ms_struct pragma.
605 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
606 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
607 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
608 darwin_set_default_type_attributes if TARGET_MACHO.
610 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
612 PR tree-optimization/26854
613 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
614 * doc/tree-ssa.texi: Update immuse iterator documentation.
615 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
616 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
617 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
618 first_safe_imm_use, next_safe_imm_use): Remove.
619 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
620 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
621 (move_use_after_head): New. Helper function to sort immuses in a stmt.
622 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
623 (first_imm_use_stmt): New. Get first stmt in an immuse list.
624 (next_imm_use_stmt): New. Get next stmt in an immuse list.
625 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
626 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
627 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
628 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
629 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
630 (perfect_nestify): Use new iterator.
631 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
633 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
634 (next_imm_name): New field in struct immediate_use_iterator_d.
635 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
636 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
637 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
638 * tree-cfg.c (replace_uses_by): Use new iterator.
639 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
640 * tree-ssa-operands.c (correct_use_link): Remove.
641 (finalize_ssa_use_ops): No longer call correct_use_link.
643 2006-04-27 Stuart Hastings <stuart@apple.com>
645 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
646 * config/t-darwin (crt3.o): Use it.
647 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
648 'pmode', use Pmode instead of SImode for SYMBOL_REF.
649 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
650 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
651 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
654 2006-04-27 Roger Sayle <roger@eyesopen.com>
656 * expmed.c (store_fixed_bit_field): If we're not optimizing for
657 size, force the intermediate into a new pseudo rather instead of
658 performing both a bitwise AND and a bitwise IOR in memory.
660 2006-04-27 Richard Guenther <rguenther@suse.de>
662 PR rtl-optimization/26685
663 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
664 this one "max-flow-memory-locations".
666 2006-04-27 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/25148
669 * tree-vrp.c (compare_values): Remove code dealing with
670 comparisons against type min/max value. Honour overflow
671 and negative constants in code dealing with comparisons
672 of plus and minus expressions.
673 (value_inside_range): Use fold_binary with LE_EXPR and
674 GE_EXPR rather than compare_values.
676 2006-04-27 Dirk Mueller <dmueller@suse.de>
678 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
681 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
683 * basic-block.h (safe_insert_insn_on_edge): Removed.
684 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
686 2006-04-26 David Edelsohn <edelsohn@gnu.org>
687 Paolo Bonzini <bonzini@gnu.org>
690 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
691 (simplify_and_const_int): Same.
693 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
695 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
697 2006-04-26 Jakub Jelinek <jakub@redhat.com>
700 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
701 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
702 cgraph_global_info_ready.
705 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
708 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
709 either decl or init is error_mark_node.
712 * tree-flow.h (struct omp_region): Add sched_kind.
713 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
714 instead of extracting omp for data.
715 (expand_omp_for): Save extracted sched_kind.
717 2006-04-25 Roger Sayle <roger@eyesopen.com>
719 * expmed.c (store_bit_field): Also check whether the bitsize is
720 valid for the machine's "insv" instruction before moving the
721 target into a pseudo for use with the insv.
722 * config/i386/predicates.md (const8_operand): New predicate.
723 * config/i386/i386.md (extv, extzv, insv): Use the new
724 const8_operand predicate where appropriate.
726 2006-04-25 DJ Delorie <dj@redhat.com>
728 * doc/install.texi (Specific): Clarify that this is not a list of
729 supported hosts or targets.
731 2006-04-25 Richard Sandiford <richard@codesourcery.com>
733 PR rtl-optimization/26725
734 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
735 block's BB_DIRTY flag.
737 2006-04-25 Geoffrey Keating <geoffk@apple.com>
739 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
742 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
745 2006-04-25 David Edelsohn <edelsohn@gnu.org>
747 * varasm.c (align_variable): New function.
748 (get_block_for_decl): Apply align_variable to DECL before
749 calculating section information.
750 (assemble_variable): Split out alignment computation.
752 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
754 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
757 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
759 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
760 MODE_PARTIAL_INT mode.
761 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
762 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
764 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
765 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
767 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
769 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
771 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
772 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
773 MACFLAG_IH): Likewise.
774 (movstricthi_1): Renamed from "*movstricthi".
775 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
776 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
777 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
778 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
779 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
780 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
781 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
782 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
783 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
784 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
785 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
786 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
787 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
788 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
789 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
791 * doc/rtl.texi (ss_ashift): Improve wording.
793 2006-04-24 Geoffrey Keating <geoffk@apple.com>
795 * dwarf2out.c (verify_marks_clear): New.
796 (prune_unused_types): Call verify_marks_clear initially, not
799 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
801 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
802 * doc/rtl.texi: Document them.
803 * simplify-rtx.c (simplify_unary_operation,
804 simplify_binary_operation_1): Don't abort when we see them.
806 2006-04-24 Mark Mitchell <mark@codesourcery.com>
809 2006-04-23 Mark Mitchell <mark@codesourcery.com>
810 * configure.ac: Completely disregard languages that are not
812 * configure: Regenerated.
814 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
815 Richard Guenther <rguenther@suse.de>
817 PR tree-optimization/27236
818 * tree-inline.c (copy_body_r): Make sure to copy
819 TREE_THIS_VOLATILE flag.
821 2006-04-24 Richard Guenther <rguenther@suse.de>
824 * tree-complex.c (update_parameter_components): Don't handle
825 unused parameters which have no default def.
827 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
828 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/27218
831 * tree-inline.c (expand_call_inline): Strip useless type
832 conversions for the return slot address.
834 2006-04-24 Richard Guenther <rguenther@suse.de>
836 * cfgloop.h (struct loops): Remove unused field array. Reorder
838 (LOOP_PREFETCH): Remove.
840 2006-04-24 Richard Guenther <rguenther@suse.de>
842 PR tree-optimization/22525
843 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
844 variable, adjust types of generated expressions.
846 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
848 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
849 (tree-vect-patterns.o): Likewise.
851 (cselib.o): Likewise.
852 (loop-doloop.o): Likewise.
853 (regclass.o): Likewise.
854 (reload1.o): Likewise.
855 (explow.o): Replace target.h with $(TARGET_H).
856 (ipa-prop.o): Likewise.
857 (ipa-cp.o): Likewise.
858 (ipa-inline.o): Likewise.
860 (reg-stack.o): Likewise.
862 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
864 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
866 2006-04-23 Mark Mitchell <mark@codesourcery.com>
868 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
870 * configure.ac: Completely disregard languages that are not
872 * configure: Regenerated.
875 * c-common.h (c_build_bitfield_integer_type): Declare.
876 * c-decl.c (c_build_bitfield_integer_type): Move to ...
877 * c-common.c (c_build_bitfield_integer_type): ... here.
879 2006-04-23 Roger Sayle <roger@eyesopen.com>
882 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
883 a SImode SUBREG of a floating point register after no_new_pseudos.
885 2006-04-23 Roger Sayle <roger@eyesopen.com>
887 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
888 identify potentially eliminable registers to additionally catch
889 VIRTUAL_INCOMING_ARGS_REGNUM.
890 (addsi3): Update the conditions on when to use addsi_small_int.
892 2006-04-23 Roger Sayle <roger@eyesopen.com>
895 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
896 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
897 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
899 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
901 * fold-const.c (range_predecessor): Use operand_equal_p
902 as the predicate for equality.
903 (range_successor): Likewise.
905 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
908 * config/soft-fp/op-common.h: Fix a typo.
910 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
913 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
914 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
916 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
918 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
920 * doc/tm.texi: Fix a typo.
922 2006-04-21 Geoffrey Keating <geoffk@apple.com>
924 * dwarf2out.c (struct die_struct): Document that die_sib makes
925 a circular linked list.
926 (FOR_EACH_CHILD): New.
927 (reverse_die_lists): Delete.
928 (reverse_all_dies): Delete.
929 (add_dwarf_attr): Correct documentation.
930 (remove_child_with_prev): New.
931 (remove_child_TAG): Update for change to die_struct, use
932 remove_child_with_prev.
933 (add_child_die): Update for change to die_struct.
934 (splice_child_die): Use remove_child_with_prev and add_child_die.
935 (print_die): Use FOR_EACH_CHILD.
936 (die_checksum): Likewise.
937 (assign_symbol_names): Likewise.
938 (output_location_lists): Likewise.
939 (build_abbrev_table): Likewise.
940 (calc_die_sizes): Likewise.
941 (mark_dies): Likewise.
942 (unmark_dies): Likewise.
943 (unmark_all_dies): Likewise.
944 (output_die): Likewise.
945 (prune_unused_types_mark): Likewise.
946 (prune_unused_types_walk): Likewise.
947 (same_die_p): Update for change to die_struct.
948 (break_out_includes): Likewise.
949 (prune_unused_types_prune): Likewise.
950 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
951 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
953 (dwarf2out_finish): Don't call reverse_all_dies.
955 2006-04-21 Eric Christopher <echristo@apple.com>
957 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
958 in comments and function names.
960 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
963 * c-typeck.c (digest_init): Robustify.
965 * c-typeck.c (pop_init_level): Simplify.
967 2006-04-21 Steve Ellcey <sje@cup.hp.com>
969 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
971 2006-04-21 Paul Brook <paul@codesourcery.com>
973 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
974 hardware floating point.
976 2006-04-21 David Edelsohn <edelsohn@gnu.org>
978 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
981 2006-04-21 Nick Clifton <nickc@redhat.com>
983 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
986 2006-04-21 Alan Modra <amodra@bigpond.net.au>
989 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
990 C++ lang type in traceback table for Objective-C++.
992 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
994 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
996 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
998 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1001 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1002 were errors. Remove check for erroneous objects.
1004 2006-04-20 Jeff Law <law@redhat.com>
1006 PR tree-optimization/26854
1007 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1008 checking for zero or one use.
1009 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1010 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1011 * tree-ssa-reassoc.c (negate_value): Similarly.
1012 (reassociate_bb): Similarly.
1014 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1016 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1017 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1018 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1020 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1022 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1023 fp regs if the last fp arg doesn't fit in regs.
1025 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1028 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1029 that the last insn has the REG_INC note.
1031 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1032 Nathan Sidwell <nathan@codesourcery.com>
1035 * stor-layout.c (update_alignment_for_field): Do not align
1037 (place_union_field): Place union field at the start of the union.
1038 (place_field): Move ERROR_MARK check later, and use the current
1039 allocation position to maintain monotonicity.
1041 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1043 * dominance.c: Include timevar.h.
1044 (calculate_dominance_info): Use TV_DOMINANCE.
1045 * timevar.def (TV_DOMINANCE): New timevar.
1046 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1048 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1050 PR rtl-optimization/14261
1051 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1052 move would be an INSV insn.
1053 (noce_process_if_block): Don't optimize if the destination is a
1054 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1056 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1058 * config/s390/s390.md: Add comments with the instructions emitted
1059 by an insn pattern if macros are used.
1061 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1063 PR rtl-optimization/26026
1064 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1065 is a known power of two shifted left a variable amount.
1067 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1069 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1070 to hash table twice when the debug_str section has SECTION_MERGE.
1072 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1074 * config/soft-fp: New directory. From glibc.
1075 * config/soft-fp/t-softfp: New.
1076 * config/soft-fp/README: New.
1077 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1078 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1079 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1080 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1081 * config.gcc: Use rs6000/t-fprules-fpbit or
1082 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1084 * config/rs6000/sfp-machine.h: New. Based on glibc.
1085 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1087 * config/rs6000/t-fprules: Remove fp-bit rules.
1088 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1089 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1090 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1091 (softfp_wrap_start, softfp_wrap_end): New.
1093 2006-04-18 DJ Delorie <dj@redhat.com>
1095 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1097 2006-04-18 Devang Patel <dpatel@apple.com>
1099 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1101 2006-04-18 Nick Clifton <nickc@redhat.com>
1103 * config/sh/t-symbian: Add rule to build sh-c.o
1104 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1105 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1106 (sh_symbian_encode_section_info): Likewise.
1108 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1110 * builtins.c (expand_builtin_strcmp): Cover label definition of
1111 do_libcall with HAVE_cmpstrnsi.
1113 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1115 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1117 * function.h (temp_slot_p): New.
1118 (function): Change the type of x_used_temp_slots to
1119 VEC(temp_slot_p,gc) *.
1121 2006-04-18 Nick Clifton <nickc@redhat.com>
1123 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1124 flag_strength_reduce.
1126 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1128 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1132 Partial revert of revision 112637
1133 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1134 Dale Johannesen <dalej@apple.com>
1137 * regclass.c (struct reg_pref): Update documentation.
1138 (regclass): Set prefclass to NO_REGS if memory is the best option.
1139 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1141 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1143 PR tree-optimization/26821
1144 * tree-ssa-math-opts.c (get_constant_one): New.
1145 (insert_reciprocals): Use it.
1147 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1149 * dwarf2out.c (free_AT): Delete.
1150 (remove_AT): Update string ref counts.
1151 (remove_child_TAG): Don't call free_die.
1153 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1154 or DW_TAG_GNU_EINCL.
1155 (prune_unused_types_walk_attribs): Reset string refcounts.
1156 (prune_unused_types_update_strings): New.
1157 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1158 call free_die. Do call prune_unused_types_update_strings.
1159 (prune_unused_types): Empty debug_str_hash.
1161 2006-04-17 Roger Sayle <roger@eyesopen.com>
1163 * expr.c (expand_assignment): Optimize away no-op moves where the
1164 source and destination are equal and have no side-effects.
1166 2006-04-17 Richard Guenther <rguenther@suse.de>
1169 * reload.c (push_reload): Guard calls to get_secondary_mem
1172 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1174 * alias.c (reg_base_value, old_reg_base_value): Change the
1175 type to VEC(rtx,gc) *.
1176 (REG_BASE_VALUE, find_base_value, record_set,
1177 init_alias_analysis): Use VEC instead of VARRAY.
1179 * alias.c (alias_sets): Change the type to
1180 VEC(alias_set_entry,gc) *.
1181 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1182 VEC instead of VARRAY.
1183 (last_alias_set): Remove.
1185 * cgraph.h (cgraph_edge_p): New.
1186 Update the prototype of cgraph_function_versioning.
1187 * cgraphunit.c (cgraph_copy_node_for_versioning,
1188 cgraph_function_versioning): Use VEC instead of VARRAY.
1189 * ipa-cp.c (ipcp_insert_stage): Likewise.
1191 2006-04-16 Roger Sayle <roger@eyesopen.com>
1194 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1195 "A op B" or "A op C", we may need to convert A to the type of B and C.
1197 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1199 * target.h (struct gcc_target): Add mode_rep_extended.
1200 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1201 (init_num_sign_bit_copies_in_rep): Initialize it using
1203 (truncate_to_mode): Use it.
1204 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1205 * targhooks.h (default_mode_rep_extended): Declare it.
1206 * targhooks.c (default_mode_rep_extended): Define it.
1207 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1208 default_mode_rep_extended.
1209 (TARGET_INITIALIZER): Include it.
1210 * doc/tm.texi (Misc): Document it.
1211 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1212 (mips_truncated_to_mode): New function.
1214 2006-04-16 Roger Sayle <roger@eyesopen.com>
1217 * expr.c (compress_float_constant): Copy the narrow constant into
1218 a new pseudo before extending it to its final width.
1220 2006-04-16 Roger Sayle <roger@eyesopen.com>
1221 Andrew Pinski <pinskia@gcc.gnu.org>
1222 Dale Johannesen <dalej@apple.com>
1225 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1226 special case code to implement V8HImode and V16QImode with SSE2.
1228 2006-04-15 Roger Sayle <roger@eyesopen.com>
1230 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1231 trees are constructed with a suitable tree type.
1233 2006-04-15 Roger Sayle <roger@eyesopen.com>
1235 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1236 (integer_onep): Likewise.
1237 (integer_all_onesp): Likewise.
1238 (integer_pow2p): Likewise.
1239 (integer_nonzerop): Likewise.
1240 (real_zerop): Likewise.
1241 (real_onep): Likewise.
1242 (real_twop): Likewise.
1243 (real_minus_onep): Likewise.
1244 (int_size_in_bytes): Likewise.
1245 (host_integerp): Likewise.
1247 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1249 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1250 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1251 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1253 * tree-ssa-structalias.h (alias_info): Remove num_references.
1255 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1257 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1258 (output_bvb patterns): Likewise.
1259 * pa.c (output_bb): Use 'bb' insn for long branch case.
1260 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1261 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1262 1. Correct length operand for alternatives 1 and 2.
1263 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1264 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1266 2006-04-14 Roger Sayle <roger@eyesopen.com>
1268 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1269 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1270 were accidentally reverted by r112959.
1272 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1275 * except.h (eh_region_outermost): New prototype.
1276 * except.c (eh_region_outermost): New function.
1277 * tree-cfg.c (find_outermost_region_in_block): Use it.
1279 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1281 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1283 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1284 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1285 (init_reload, reload): Use VEC instead of VARRAY.
1286 * reload.h: Update the prototype for
1287 reg_equiv_memory_loc_varray.
1289 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1290 Eric Botcazou <ebotcazou@libertysurf.fr>
1292 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1295 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1298 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1299 to expand fallback builtin function call.
1301 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1304 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1305 and emit libcall here in case the builtin fails.
1306 (expand_builtin_strcmp): Always emit the libcall here on failure.
1308 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1310 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1311 * flow.c (reg_n_info): Change the type to
1312 VEC(reg_info_p,heap) *.
1313 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1315 * regs.h (reg_info_p): New.
1316 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1317 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1318 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1321 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1323 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1325 * params.h (MAX_SCHED_READY_INSNS): New macro.
1326 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1327 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1328 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1329 the ready list for 1 cycle during the first scheduling pass.
1330 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1332 2006-04-13 Richard Henderson <rth@redhat.com>
1335 * gimple-low.c (lower_omp_directive): Remove dead code.
1336 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1337 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1338 * omp-low.c (struct omp_region): Move to tree-flow.h.
1339 (root_omp_region): Export.
1340 (omp_regions, lookup_omp_region): Remove.
1341 (determine_parallel_type): Update for struct omp_region changes.
1342 (dump_omp_region): Dump regions with block numbers.
1343 (new_omp_region): Take type and block instead of stmt; malloc
1345 (free_omp_region_1, free_omp_regions): New.
1346 (expand_parallel_call): Take entry_stmt as argument; update for
1347 changes to omp_region.
1348 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1349 (remove_exit_barriers): New.
1350 (expand_omp_parallel): Update for struct omp_region changes.
1351 (expand_omp_synch): Likewise.
1352 (expand_omp): Likewise.
1353 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1354 (expand_omp_for_static_chunk): Likewise.
1355 (expand_omp_for): Likewise.
1356 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1357 (expand_omp_sections): Similarly, with GOMP_sections_end.
1358 (expand_omp_single): New.
1359 (build_omp_regions_1): Update for OMP_CONTINUE.
1360 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1361 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1362 OMP_SECTIONS_SECTIONS.
1363 (lower_omp_single_simple): Don't emit barrier here.
1364 (lower_omp_single_copy): Likewise.
1365 (lower_omp_single): Fix bindings, and lower to straightline now.
1366 (lower_omp_master, lower_omp_ordered): Likewise.
1367 (lower_omp_critical): Likewise.
1368 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1369 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1370 omp edges, free it afterward.
1371 (make_omp_sections_edges): Remove.
1372 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1373 (move_stmt_r): Handle OMP_CONTINUE.
1374 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1375 statement pointers to basic blocks. Add type member.
1376 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1377 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1378 * tree-inline.c (estimate_num_insns_1): Likewise.
1379 * tree-pretty-print.c (dump_generic_node): Likewise.
1380 * tree-ssa-operands.c (get_expr_operands): Likewise.
1381 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1382 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1383 (OMP_CONTINUE): New.
1384 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1385 (OMP_SECTIONS_SECTIONS): Remove.
1386 (OMP_SECTION_LAST): New.
1387 (OMP_RETURN_NOWAIT): New.
1389 2006-04-13 Roger Sayle <roger@eyesopen.com>
1391 * fold-const.c (native_encode_vector, native_interpret_real):
1392 Correct obvious mistakes in the previous check-in.
1394 2006-04-13 Roger Sayle <roger@eyesopen.com>
1396 * fold-const.c (native_encode_expr): New function to encode
1397 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1398 or VECTOR_CST into a specified buffer.
1399 (native_encode_int): New function.
1400 (native_encode_real): New function.
1401 (native_encode_complex): New function.
1402 (native_encode_vector): New function.
1403 (native_interpret_expr): Inverse of native_encode_expr to convert
1404 a target representation into an INTEGER_CST, REAL_CST etc...
1405 (native_interpret_int): New function.
1406 (native_interpret_real): New function.
1407 (native_interpret_complex): New function.
1408 (native_interpret_vector): New function.
1409 (fold_view_convert_expr): New function to constant fold/evaluate
1410 a VIEW_CONVERT_EXPR of a suitable constant expression.
1411 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1412 Change call of build1 to fold_build1 when constructing a
1415 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1416 Ulrich Weigand <uweigand@de.ibm.com>
1419 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1422 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1425 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1426 optimize to lo_sum for DFmode if !TARGET_FPRS.
1428 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1430 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1431 delete_alias_info, compute_flow_sensitive_aliasing,
1432 group_aliases): Use VEC instead of VARRAY.
1433 * tree-ssa-structalias.c (update_alias_info): Likewise.
1434 * tree-ssa-structalias.h (alias_info): Change the type of
1435 processed_ptrs to VEC(tree,heap) *.
1437 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1440 * config/sh/lib1funcs.h: New file, broken out of:
1441 * config/sh/lib1funcs.asm.
1442 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1444 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1445 * config/sh/lib1funcs-Os-4-200.asm: New file.
1446 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1447 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1448 (EXTRA_MULTILIB_PARTS): Include it.
1449 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1450 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1451 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1452 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1455 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1457 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1458 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1459 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1461 * tree-ssa-live.h: Include vecprim.h.
1462 (tree_partition_associator_d): Change the type of
1463 first_partition to VEC(int,heap) *.
1464 (tpa_first_partition): Use VEC instead of VARRAY.
1466 * Makefile.in (GTFILES): Move functions.h after tree.h.
1467 * function.c (reset_block_changes, record_block_change,
1468 check_block_change, free_block_changes): Use VEC instead of
1470 * function.h (function): Change the type of
1471 ib_boundaries_block to VEC(tree,gc) *.
1472 * tree-inline.c (copy_cfg_body): Initialize
1473 ib_boundaries_block to NULL instead of (varray_type) 0.
1475 2006-04-12 Roger Sayle <roger@eyesopen.com>
1477 * expr.c (emit_group_store): Correct operand order in call to
1478 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1479 a SUBREG_BYTE of zero.
1481 2006-04-12 Richard Guenther <rguenther@suse.de>
1483 * profile.c (compute_branch_probabilities): Remove code
1484 encapsulated in !ir_type (), which are remanents of the
1485 removed RTL profiling code.
1486 * rtl-profile.c: Remove.
1488 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1490 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1491 magic NULL_RTX comment.
1492 (function_arg): Store entire fp arg to mem if any part should go
1494 (rs6000_arg_partial_bytes): Adjust for above change.
1496 2006-04-11 Roger Sayle <roger@eyesopen.com>
1498 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1499 if it hasn't been initialized by dwarf2out_init.
1501 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1503 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1504 symbolic constants in branch patterns.
1506 2006-04-11 Roger Sayle <roger@eyesopen.com>
1508 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1510 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1512 PR rtl-optimization/27073
1513 * gcse.c (try_replace_reg): Revert last change. Continue to search
1514 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1517 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1519 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1520 aggregate types other than record and union types.
1521 (function_arg): Likewise.
1522 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1524 (function_value): In 64-bit mode, return objects that require it
1527 2006-04-11 Roger Sayle <roger@eyesopen.com>
1529 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1531 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1533 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1535 2006-04-03 Jeff Law <law@redhat.com>
1538 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1539 alias information too.
1541 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1543 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1545 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1548 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1549 (premark_used_types_helper): New.
1550 (premark_used_types): New.
1551 (gen_subprogram_die): Call premark_used_types.
1552 (prune_unused_types_walk): Do not prune perennial dies.
1553 * function.c (used_types_insert): New.
1554 * function.h (struct function): Add used_types_hash field.
1555 (used_types_insert): Add prototype.
1556 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1557 * c-parser.c (c_parser_cast_expression): Save casted types in used
1560 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1563 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1564 rs6000_explicit_options.float_gprs.
1566 2006-04-10 Roger Sayle <roger@eyesopen.com>
1568 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1569 from ix86_expand_vector_init_low_nonzero. Take an additional
1570 one_var argument indicating which element is non-zero. Support
1571 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1572 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1573 with one_var instead of ix86_expand_vector_init_low_nonzero.
1575 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1577 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1578 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1579 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1580 build/genextract.o): Depend on vecprim.h.
1581 * cfglayout.c, df-problems.c, function.c, genextract.c,
1582 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1583 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1587 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1589 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1590 Declare VECs of this type.
1591 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1592 (remove_children): Delete.
1593 (add_dwarf_attr): Use VEC routines.
1594 (add_AT_flag): Update for changes to add_dwarf_attr.
1595 (add_AT_int): Likewise.
1596 (add_AT_unsigned): Likewise.
1597 (add_AT_long_long): Likewise.
1598 (add_AT_vec): Likewise.
1599 (add_AT_string): Likewise.
1600 (add_AT_die_ref): Likewise.
1601 (add_AT_fde_ref): Likewise.
1602 (add_AT_loc): Likewise.
1603 (add_AT_loc_list): Likewise.
1604 (add_AT_addr): Likewise.
1605 (add_AT_lbl_id): Likewise.
1606 (add_AT_lineptr): Likewise.
1607 (add_AT_macptr): Likewise.
1608 (add_AT_offset): Likewise.
1609 (add_AT_range_list): Likewise.
1610 (get_AT): Use VEC_iterate.
1611 (remove_AT): Use VEC_ordered_remove.
1612 (free_die): Fold remove_children into here; have it use VEC_iterate.
1613 (print_die): Use VEC_iterate on attrs.
1614 (reverse_die_lists): Don't reverse attr lists.
1615 (die_checksum): Use VEC_iterate on attrs.
1616 (same_die_p): Likewise.
1617 (output_location_lists): Likewise.
1618 (build_abbrev_table): Likewise.
1619 (size_of_die): Likewise.
1620 (unmark_all_dies): Likewise.
1621 (output_abbrev_section): Likewise.
1622 (output_die): Likewise.
1623 (prune_unused_types_walk_attribs): Likewise.
1625 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1627 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1629 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1632 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1634 2006-04-09 Roger Sayle <roger@eyesopen.com>
1636 * expr.c (store_constructor): Don't bother clearing target if
1637 we're about to assign a vector to it using vec_init_optab.
1639 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1641 * tree-ssa-alias.c (lhs_may_store_to): New function.
1642 (recalculate_used_alone): Handle LHS of calls.
1644 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1648 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1649 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1650 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1651 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1652 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1653 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1654 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1655 stubs. Add ".align 8" directives before all ".dword" directives.
1656 (GTHREAD_USE_WEAK): Revise comment.
1657 (TARGET_ATTRIBUTE_WEAK): Define.
1658 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1659 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1660 * stublib.c: New file.
1665 * pa.md (cbranch patterns): Revise arguments used in calls to
1666 output_cbranch, output_bb and output_bvd. Add long branch length
1668 (fbranch patterns): Handle long branches.
1669 (jump): Revise length check. Revise arguments for output_lbranch call.
1670 Add long branch length attributes.
1671 (decrement_and_branch_until_zero): Add long branch length attributes.
1672 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1673 Likewise. Revise arguments for output_parallel_addb and
1674 output_parallel_movb calls.
1675 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1676 output_parallel_movb and output_parallel_addb): Update prototypes.
1677 * pa.c (output_cbranch): Revise arguments. Correct handling of
1678 nullification in long branches.
1679 (output_lbranch): Add new argument to control extraction of delay
1681 (output_bb): Handle long branches.
1682 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1683 output_parallel_addb): Likewise.
1685 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1687 PR rtl-optimization/27073
1688 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1691 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1693 * tree.h (tree_memory_tag): Add old_used_alone.
1694 (SMT_OLD_USED_ALONE): New macro.
1695 * tree-ssa-alias.c (recalculate_used_alone): Stop
1696 marking things for renaming unnecessarily.
1698 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1700 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1701 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1702 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1703 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1704 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1705 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1706 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1707 spelling convensions.
1708 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1709 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1710 typos. Follow spelling conventions.
1712 2006-04-07 DJ Delorie <dj@redhat.com>
1714 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1715 passed on the stack.
1716 (m32c_init_cumulative_args): When a function returns a structure,
1717 always pass the pointer to that return area on the stack.
1718 (m32c_function_arg_advance): Don't increment the parameter number
1719 if we're processing the returned structure pointer.
1720 (pushm_info): Reverse order of registers.
1722 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1724 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1725 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1726 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1727 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1729 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1730 chrec_fold_multiply): Same.
1731 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1732 force_expr_to_var_cost): Same.
1733 * tree-mudflap.c (mf_xform_derefs_1): Same.
1734 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1736 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1738 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1739 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1742 2006-04-07 Jan Hubicka <jh@suse.cz>
1744 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1746 2006-04-07 Richard Guenther <rguenther@suse.de>
1748 PR tree-optimization/26135
1749 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1750 loads for store copy-prop.
1751 (copy_prop_visit_stmt): Likewise.
1753 2006-04-05 Robert Millan <robertmh@gnu.org>
1755 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1756 being overriden in config/k*bsd-gnu.h.
1757 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1759 * gcc/config/knetbsd-gnu.h: Ditto.
1761 2006-04-06 Jan Hubicka <jh@suse.cz>
1765 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1768 2006-04-06 Mike Stump <mrs@apple.com>
1770 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1771 for HAVE_nonlocal_goto to be consistent.
1772 (expand_builtin_nonlocal_goto): Likewise.
1773 (expand_builtin_strcmp): Use #ifdef instead of #if
1774 for HAVE_cmpstrnsi to be consistent.
1776 2006-04-05 DJ Delorie <dj@redhat.com>
1778 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1781 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1783 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1784 got-relative addressing for anything but SImode.
1786 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1787 even if the calling function doesn't modify them.
1789 2006-04-05 Richard Guenther <rguenther@suse.de>
1791 PR tree-optimization/26919
1792 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1793 to cgraph_estimate_size_after_inlining.
1795 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1797 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1799 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1801 PR tree-optimization/26996
1802 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1803 VECTOR_TYPE variables.
1805 2006-04-05 Richard Guenther <rguenther@suse.de>
1807 PR tree-optimization/26763
1808 * fold-const.c (fold_comparison): Move folding of
1809 PTR + CST CMP PTR + CST ...
1810 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1812 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1814 * doc/install.texi (Prerequisites): Refine some wording on
1815 bootstrapping and ksh.
1816 Move the version numbers of DejaGnu here from the testing section
1817 and fix casing of names.
1818 Fix markup and clarify wording for autogen requirements.
1819 Refer to GCJ instead of just java.
1820 Refer to SVN instead of CVS.
1821 Describe diffutils as useful instead of necessary.
1822 (Downloading the source): Refer to SVN instead of CVS.
1823 Adjust a link to our web site accordingly.
1824 (Configuration): Fix casing of Bison.
1825 (Building): Refer to SVN instead of CVS.
1826 Fix a sentence on the use of Bison and remove duplicate (and
1827 incorrect) version number of Bison requirement.
1828 Remove one redundant list of packages needed for building.
1829 (Specific): Avoid reference to CVS.
1831 2006-04-04 Eric Christopher <echristo@apple.com>
1833 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1834 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1835 (rs6000_handle_struct_attribute): New.
1836 (rs6000_ms_bitfield_layout_p): Ditto.
1838 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1840 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1841 NULL for dso parameter to atexit_common.
1843 2006-04-04 Eric Christopher <echristo@apple.com>
1845 * config/i386/i386.c (machopic_output_stub): Output \t
1846 between instructions and operands.
1848 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1850 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1851 satisfies_constraint_[IL] to explicit tests on value.
1853 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1855 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1856 set_nb_iterations_in_loop): Use build_int_cst instead of
1858 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1859 build_int_cst instead of convert.
1861 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1863 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1864 new value 2 for incoming.
1865 * function.c (expand_function_start): Call struct_value_rtx
1867 * config/sparc/sparc.md: Comment updated_return.
1868 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1869 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1870 struct return if sparc_std_struct_return and incoming is 2.
1871 (print_operand): Do not adjust return if
1872 sparc_std_struct_return.
1874 2006-04-04 Roger Sayle <roger@eyesopen.com>
1876 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1877 convert in the middle-end.
1878 * expr.c (store_expr, store_constructor, get_inner_reference,
1879 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1881 * tree.c (build_range_type): Likewise.
1883 2006-04-04 Tom Tromey <tromey@redhat.com>
1885 * doc/install.texi (Prerequisites): Mention jar.
1887 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1889 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1892 2006-04-04 Matthias Klose <doko@debian.org>
1894 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1895 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1898 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1900 * doc/extend.texi (Function Attributes): Rewrite visibility
1901 attribute documentation.
1902 * doc/invoke.texi (C++ Dialect Options): Rewrite
1903 -fvisibility-inlines-hidden documentation to describe something
1904 entirely different, although in practise compatible.
1905 (Code Gen Options): Warn about system headers in -fvisibiltity=
1908 * doc/extend.texi (Other Builtins): Document that
1909 __builtin_nan is a compile-time constant only when its argument
1912 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1914 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1915 trying to remove TRUNCATE check if all bits outside the new mode
1916 are identical to the sign bit.
1918 2006-04-03 Jeff Law <law@redhat.com>
1920 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1921 and operand scanning in some common cases.
1923 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1924 Dale Johannesen <dalej@apple.com>
1927 * regclass.c (struct reg_pref): Update documentation.
1928 (regclass): Set prefclass to NO_REGS if memory is the best option.
1929 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1930 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1931 into account. For non-registers, equate an empty preferred
1932 reload class to a `!' in the constraint; move the if clause to
1933 do so after those that reject the insn.
1934 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1936 (find_dummy_reload): Likewise.
1937 * doc/tm.texi (Register Classes): Document what it means
1938 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1939 * config/i386/i386.c (ix86_preferred_reload_class): Force
1940 using SSE registers (and return NO_REGS for floating-point
1941 constants) if math is done with SSE.
1942 (ix86_preferred_output_reload_class): New.
1943 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1944 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1945 * config/i386/i386.md: Remove # register preferences.
1947 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1950 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1951 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1952 the type of nb_iter.
1953 (instantiate_parameters_1): Convert the operands before calling
1954 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1955 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1957 2006-04-02 Roger Sayle <roger@eyesopen.com>
1959 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1960 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1962 * dojump.c (do_jump): Likewise.
1963 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1964 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1965 gimplify_boolean_expr): Likewise.
1966 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1967 * varasm.c (array_size_for_constructor): Likewise.
1968 * tree-object-size.c (compute_object_offset): Likewise.
1970 2006-04-02 Roger Sayle <roger@eyesopen.com>
1973 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1974 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1976 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1978 PR tree-optimization/26939
1979 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1981 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1983 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1984 at_stmt. Convert the type of operands before calling
1985 build_polynomial_chrec.
1986 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1988 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1989 (instantiate_parameters_1): Convert the type of operands before calling
1990 build_polynomial_chrec.
1991 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1992 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1993 reset_evolution_in_loop): Insert asserts to check the types of the
1995 (chrec_type): Moved...
1996 (eq_evolutions_p): Use operand_equal_p.
1997 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1998 the types of the operands.
1999 (chrec_type): ...here.
2000 * tree-data-ref.c (create_data_ref): Convert the operands before
2001 calling chrec_replace_initial_condition.
2002 (same_access_functions, analyze_subscript_affine_affine,
2003 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2004 (compute_subscript_distance, analyze_ziv_subscript,
2005 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2006 analyze_miv_subscript): Convert the operands before calling
2007 chrec_fold_minus or chrec_fold_plus.
2009 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2011 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2012 the dependence_relations vector.
2013 (compute_data_dependences_for_loop): Adjust call to
2014 compute_all_dependences.
2016 2006-04-01 Roger Sayle <roger@eyesopen.com>
2017 Richard Henderson <rth@redhat.com>
2019 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2020 gimple_boolify on the condition before calling gimplify_expr.
2022 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2024 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2025 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2026 the frame size. Update to use the new macros.
2027 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2028 * config/xtensa/ieee754-df.S: Likewise.
2030 2006-03-31 Richard Henderson <rth@redhat.com>
2032 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2033 (make_edges): ... here. Control fallthru creation with a local
2034 variable. Do not play with fake edges.
2035 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2036 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2039 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2041 * dwarf2.h (DW64_CIE_ID): Define.
2042 * dwarf2out.c (DWARF_CIE_ID): Define.
2043 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2044 length header. Use DWARF_CIE_ID.
2045 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2046 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2048 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2050 * config/sh/linux-atomic.asm: New file.
2051 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2053 2006-03-31 DJ Delorie <dj@redhat.com>
2055 * config/m32c/cond.md: Set condition flags properly throughout.
2056 * config/m32c/minmax.md: Likewise.
2057 * config/m32c/prologue.md: Likewise.
2058 * config/m32c/bitops.md: Likewise.
2059 * config/m32c/muldiv.md: Likewise.
2060 * config/m32c/mov.md: Likewise.
2061 * config/m32c/addsub.md: Likewise.
2062 * config/m32c/m32c.md: Likewise.
2063 * config/m32c/jump.md: Likewise.
2064 * config/m32c/shift.md: Likewise.
2066 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2067 conditionally output the pattern for this.
2068 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2069 (m32c_compare_redundant): New.
2070 (m32c_output_compare): New.
2071 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2073 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2074 dest, not src. Allow other 4-byte modes.
2076 2006-03-30 Denis Chertykov <denisc@overta.ru>
2078 * doc/md.texi: Refer to avr/constraints.md instead of
2081 2006-03-30 Roger Sayle <roger@eyesopen.com>
2083 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2084 signed vs. unsigned comparison failures on some hosts.
2086 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2089 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2090 change to FLOAT_REGS.
2092 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2093 (rs6000_override_options): Use it.
2094 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2095 only for -mabi=spe/no-spe and -mabi=altivec.
2097 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2099 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2102 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2104 * Makefile.in: Rename docdir to gcc_docdir.
2106 2006-03-30 Roger Sayle <roger@eyesopen.com>
2109 * expr.c (emit_group_store): Optimize group stores into a pseudo
2110 register by using a paradoxical subreg to initialize the destination
2111 if the first or last member of the group specifies a "low part".
2113 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2116 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2117 * target.h (struct gcc_target.speculate_insn): Change type of the
2118 second parameter to 'int'.
2119 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2120 the second operand of the DEPS_LIST.
2121 (copy_DEPS_LIST_list): Update reference to the second operand of the
2123 * rtl.h (alloc_DEPS_LIST): Update signature.
2124 * sched-int.h (ds_t): Change typedef to 'int'.
2125 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2127 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2129 * haifa-sched.c (try_ready): Change condition to restore
2130 non-speculative pattern of the instruction.
2131 (process_insn_depend_be_in_spec): Code to keep probability of the
2132 speculative dependence non-decreasing.
2134 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2136 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2137 (single_move_for_movmem): ... this. Also change all uses.
2138 (bfin_expand_strmov): Renamed to...
2139 (bfin_expand_movmem): ... this. Also change all uses.
2140 * config/bfin/bfin.md (movstrsi): Renamed to...
2141 (movstrsi): ...this.
2143 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2145 PR tree-optimization/26830
2147 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2148 (copy_prop_visit_stmt): Remove write-only variable ann.
2149 (init_copy_prop): Check variable loop depth here. Do not simulate
2150 memory-tag and virtual operand PHIs except for store copy prop.
2152 2006-03-30 Richard Guenther <rguenther@suse.de>
2154 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2155 variants with double arguments.
2157 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2159 * genpreds.c (write_tm_constrs_h): Delete variable p.
2160 * genconditions.c (write_header): Add tm-constrs.h to included
2162 * genpeep.c (main): Add toplev.h to included headers.
2163 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2164 (build/genpeep.o): Add toplev.h dependency.
2165 * config/rs6000/constraints.md: Add "W" constraint.
2167 2006-03-29 Roger Sayle <roger@eyesopen.com>
2169 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2170 sizes by correctly testing whether the size fits a host integer.
2171 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2172 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2173 SImode range for the default sizetype and bitsizetype.
2175 2006-03-29 Roger Sayle <roger@eyesopen.com>
2177 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2178 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2179 quickly if the argument is already of the correct type.
2180 Call fold_build1 instead of build1. Tidy up blank lines.
2182 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2184 * genemit.c (main): Add tm-constrs.h to included headers.
2185 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2186 * genpeep.c (main): Add tm-constrs.h to included headers.
2187 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2188 (write_tm_constrs_h): this and write complete file.
2189 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2190 (write_insn_preds_c): Add tm-constrs.h to included headers.
2191 (gen_constrs): New variable.
2192 (parse_option): Parse "-c".
2193 (main): Invoke write_tm_constrs_h.
2194 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2195 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2196 (object_out_file): Add tm-constrs.h dependency.
2197 (insn-emit.o): Same.
2198 (insn-output.o): Same.
2199 (insn-peep.o): Same.
2200 (insn-preds.o): Same.
2201 (insn-recog.o): Same.
2202 (tm-constsr.h): New target.
2203 (s-constrs-h): New target.
2205 * config/rs6000/constraints.md: New file.
2206 * config/rs6000/rs6000.c: Include tm-constrs.h.
2207 (num_insn_constant_wide): Convert to satisfies_constraint.
2208 (rs6000_rtx_costs): Convert to satisfies_constraint.
2209 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2210 (CONST_OK_FOR_LETTER_P): Delete.
2211 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2212 (EXTRA_CONSTRAINT): Delete.
2213 (EXTRA_MEMORY_CONSTRAINT): Delete.
2214 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2215 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2216 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2217 satisfies_constraint.
2219 * config/i386/i386.c: Include tm-constrs.h.
2221 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2223 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2224 * tree-data-ref.c (find_data_references_in_loop,
2225 compute_data_dependences_for_loop): Use pointers to VEC.
2226 (analyze_all_data_dependences): Adjust calls.
2227 * tree-data-ref.h (find_data_references_in_loop,
2228 compute_data_dependences_for_loop): Adjust declarations.
2229 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2230 compute_data_dependences_for_loop.
2232 2006-03-29 Paul Brook <paul@codesourcery.com>
2234 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2237 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2239 PR tree-optimization/26859
2240 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2242 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2243 for the step after fold_convert.
2245 2006-03-29 Paul Brook <paul@codesourcery.com>
2247 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2248 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2250 2006-03-29 Paul Brook <paul@codesourcery.com>
2253 * targhooks.c (default_narrow_bitfield): New fuction.
2254 * targhooks.h (default_narrow_bitfield): add prototype.
2255 * target.h (gcc_target): Add narrow_volatile_bitfield.
2256 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2257 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2258 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2259 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2261 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2263 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2265 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2266 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2267 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2268 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2269 (s390_function_arg_float): Allow SDmode and DDmode values to be
2270 passed in floating point registers.
2271 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2272 check with SCALAR_FLOAT_MODE_P.
2273 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2275 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2277 PR tree-optimization/25985
2278 * tree-ssa-loop-niter.c (number_of_iterations_le,
2279 number_of_iterations_ne): Make comments more precise.
2280 (number_of_iterations_cond): Add only_exit argument. Use the
2281 fact that signed variables do not overflow only when only_exit
2283 (loop_only_exit_p): New.
2284 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2285 number_of_iterations_cond.
2287 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2289 PR tree-optimization/26643
2290 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2293 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2295 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2296 (divsi3_i4_int): Likewise.
2298 2006-03-28 Roger Sayle <roger@eyesopen.com>
2300 * expr.c (emit_group_store): Only create a new pseudo reg if the
2301 quantity it needs to hold isn't already a suitable pseudo.
2303 2006-03-28 Jeff Law <law@redhat.com>
2305 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2306 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2308 2006-03-28 Roger Sayle <roger@eyesopen.com>
2310 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2311 the equivalent ~X & Y, and the symmetry related transformations.
2312 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2313 ~X & Y, and symmetry related transforms.
2315 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2317 Revert my 2006-03-27 patches.
2319 2006-03-28 Roger Sayle <roger@eyesopen.com>
2321 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2322 ~(T1)X, when T1 and T2 are integer types of the same precision
2323 and (T2)X isn't an extension.
2325 2006-03-28 Jeff Law <law@redhat.com>
2327 PR tree-optimization/26796
2328 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2329 need EH edge cleanups rather than purging them immediately.
2330 (eliminate_degenerate_phis): Handle queued EH cleanups.
2332 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2334 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2337 2006-03-27 Roger Sayle <roger@eyesopen.com>
2340 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2341 cast BIT_NOT_EXPR operand to the correct type.
2343 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2345 * tree-loop-linear.c: Don't include varray.h.
2346 (gather_interchange_stats, try_interchange_loops,
2347 linear_transform_loops): Use VEC instead of VARRAY.
2348 * lambda-mat.c: Don't include varray.h.
2349 * tree-chrec.c: Same.
2350 * lambda-trans.c: Same.
2351 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2352 VEC instead of VARRAY.
2353 * tree-vectorizer.h: Idem.
2354 * tree-data-ref.c (dump_data_references,
2355 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2356 initialize_data_dependence_relation, finalize_ddr_dependent,
2357 compute_all_dependences, find_data_references_in_loop,
2358 compute_data_dependences_for_loop, analyze_all_data_dependences,
2359 free_dependence_relation, free_dependence_relations,
2360 free_data_refs): Idem.
2361 * tree-data-ref.h (data_reference_p, subscript_p): New.
2362 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2363 VEC instead of VARRAY.
2364 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2365 (find_data_references_in_loop, compute_data_dependences_for_loop,
2366 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2367 dump_data_dependence_relations, free_dependence_relations,
2368 free_data_refs): Adjust declaration.
2369 (lambda_transform_legal_p): Move declaration here...
2370 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2371 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2372 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2373 vect_analyze_data_refs): Use VEC instead of VARRAY.
2374 * lambda.h (lambda_transform_legal_p): ...from here.
2375 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2376 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2377 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2378 tree-chrec.o): Don't depend on VARRAY_H.
2380 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2382 * rtl.def (Copyright): Update date.
2383 (DEPS_LIST): Change type of the second operand to 'int'.
2384 * target.h (Copyright): Update date.
2385 (struct gcc_target.speculate_insn): Change type of the second parameter
2387 * lists.c (Copyright): Update date.
2388 (alloc_DEPS_LIST): Change signature. Update reference to the second
2389 operand of the DEPS_LIST.
2390 (copy_DEPS_LIST_list): Update reference to the second operand of the
2392 * rtl.h (Copyright): Update date.
2393 (alloc_DEPS_LIST): Update signature.
2394 * sched-int.h (Copyright): Update date.
2395 (ds_t): Change typedef to 'int'.
2396 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2398 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2400 * haifa-sched.c (Copyright): Update date.
2401 (try_ready): Change condition to restore non-speculative pattern
2403 (process_insn_depend_be_in_spec): Code to keep probability of the
2404 speculative dependence non-decreasing.
2406 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2408 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2409 shut up the compiler.
2411 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2413 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2414 to use lib prefix for target.
2415 ($(T)libic_invalidate_array_4-200.a): Likewise.
2416 ($(T)libic_invalidate_array_4a.a): Likewise.
2418 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2419 J"orn Rennecke <joern.rennecke@st.com>
2421 * superh.opt: New file.
2422 * sh.c (boardtype, osruntime): Remove.
2423 * superh.h (SUBTARGET_OPTIONS): Remove.
2424 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2426 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2427 arguments with ^ and/or [].
2429 * config.gcc (sh-*-*): Add quoting to account for quirk of
2431 Replace == with = in enable_incomplete_targets test.
2433 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2434 with MASK_LITTLE_ENDIAN.
2436 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2437 * config/sh/sh.opt: Added to some comments.
2438 * config/sh/superh.h: Removed some chaff.
2440 * config/sh/sh.opt: Add m4-[1234]00* options.
2441 * config/sh/sh.c (sh_handle_option): Likewise.
2442 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2443 (ic_invalidate_array_4-100.o): New rule.
2444 ($(T)libic_invalidate_array_4-100.a): Likewise.
2445 (ic_invalidate_array_4-200.o): Likewise.
2446 ($(T)libic_invalidate_array_4-200.a): Likewise.
2447 (ic_invalidate_array_4a.o): Likewise.
2448 ($(T)libic_invalidate_array_4a.a): Likewise.
2449 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2450 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2452 * config/sh/crt1.asm: Merged in profiling code.
2453 * config/sh/superh.h (STARTFILE_SPEC): Override.
2454 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2455 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2456 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2458 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2459 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2460 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2462 * sh.opt (mpretend-cmove): New option.
2463 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2464 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2465 (movsicc): Add TARGET_PRETEND_CMOVE code.
2467 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2469 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2470 s390_class_max_nregs): New function prototypes.
2471 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2472 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2473 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2474 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2476 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2478 * dwarf2out.c (add_location_or_const_value_attribute): Call
2479 tree_add_const_value_attribute if nothing else works.
2480 (reference_to_unused): New.
2481 (rtl_for_decl_init): Use reference_to_unused to decide whether
2482 to output an initializer.
2484 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2487 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2488 peephole removing spe frob_di_df_2.
2490 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2492 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2493 (subscript_dependence_tester_1): Declared.
2494 (print_dir_vectors, print_dist_vectors): New.
2495 (debug_data_dependence_relation): New.
2496 (dump_data_dependence_relation): Print more details.
2497 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2498 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2499 (save_dist_v, save_dir_v, add_outer_distances,
2500 build_classic_dist_vector_1): New.
2501 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2502 Don't test for lambda_vector_lexico_pos.
2503 (same_access_functions, add_multivariate_self_dist,
2504 add_other_self_distances, dir_from_dist): New.
2505 (build_classic_dir_vector): Replace implementation almost identical to
2506 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2508 (subscript_dependence_tester_1): New.
2509 (subscript_dependence_tester): Handle the lexicographically negative
2510 distance vectors by recomputing the dependence relation.
2511 (compute_affine_dependence): Remove parameter loop_nest_depth.
2512 (compute_self_dependence): Don't call compute_subscript_distance.
2513 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2514 Add a parameter for the loop_nest.
2515 (find_loop_nest_1, find_loop_nest): New.
2516 (compute_data_dependences_for_loop): Compute the loop nest, and give
2517 up if the nest is not well formed.
2518 * tree-data-ref.h (loop_p): New.
2519 (struct data_dependence_relation): Replace size_vect field with
2520 loop_nest, a vec of loops.
2521 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2522 (DDR_LOOP_NEST): New.
2523 (print_dir_vectors, print_dist_vectors,
2524 debug_data_dependence_relation): Declared.
2525 (index_in_loop_nest): New.
2526 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2527 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2530 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2532 * simplify-rtx.c (simplify_relational_operation): Call
2533 simplify_relational_operation_1 even if mode is VOIDmode.
2535 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2537 PR tree-optimization/26804
2538 * tree.h (DECL_CALL_CLOBBERED): New macro.
2539 (tree_decl_common): Add call_clobbered_flag.
2540 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2541 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2542 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2543 (mark_non_addressable): Ditto.
2544 * tree-ssa.c (verify_call_clobbered): New function.
2545 (verify_alias_info): Use it.
2546 * tree-pass.h (pass_reset_cc_flags): New prototype.
2547 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2548 (reset_cc_flags): New function.
2549 * passes.c (init_optimization_passes): Call reset_cc_flags after
2550 initializing referenced_vars.
2552 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2553 Roger Sayle <roger@eyesopen.com>
2556 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2557 to 1.0 for non-real operands. Implement A / A optimization for
2560 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2562 * config/i386/i386.c (size_cost): Correct the comment for
2563 cost of storing fp registers.
2564 (i386_cost): Likewise.
2565 (i486_cost): Likewise.
2566 (pentium_cost): Likewise.
2567 (pentiumpro_cost): Likewise.
2568 (k6_cost): Likewise.
2569 (athlon_cost): Likewise.
2570 (k8_cost): Likewise.
2571 (pentium4_cost): Likewise.
2572 (nocona_cost): Likewise.
2573 (generic64_cost): Likewise.
2574 (generic32_cost): Likewise.
2576 2006-03-24 Denis Chertykov <denisc@overta.ru>
2578 * config/avr/avr-protos.h (extra_constraint): Delete.
2579 (extra_constraint_Q): New declaration.
2580 * config/avr/constraints.md: New file.
2581 * config/avr/avr.md: Include it.
2582 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2583 (TMP_REGNO, ZERO_REGNO): Likewise.
2584 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2585 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2586 (extra_constraint): Delete.
2587 (extra_constraint_Q): Test for memory constraint 'Q'.
2588 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2589 (REG_CLASS_FROM_LETTER): Delete.
2590 (CONST_OK_FOR_LETTER_P): Delete.
2591 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2592 (EXTRA_CONSTRAINT): Delete.
2593 (TMP_REGNO): Delete.
2594 (ZERO_REGNO): Delete.
2596 2006-03-24 Jeff Law <law@redhat.com>
2598 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2599 directly. Call mark_new_vars_to_rename slightly earlier.
2601 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2603 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2605 (gen_compile_unit_die): Use new language types for Objective-C and
2607 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2608 DW_LANG_C_plus_plus.
2611 * config/t-darwin (crt3.o): Work around bug 26840.
2612 * config/darwin-crt3.c: Rewrite.
2613 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2615 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2617 * doc/invoke.texi: Document -femit-class-debug-always
2618 * common.opt: Add -femit-class-debug-always.
2620 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2622 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2623 index and base register.
2624 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2625 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2626 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2627 REGNO_OK_FOR_INDEX_P.
2628 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2630 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2631 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2632 REG_OK_FOR_BASE_P): Definitions removed.
2634 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2637 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2638 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2639 set yet or weren't marked as local yet.
2641 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2643 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2646 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2648 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2649 (rs6000_legitimate_small_data_p): Delete.
2650 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2651 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2652 and make static. Add forward declaration. Update uses.
2653 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2654 of offsettable_memref_p.
2655 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2656 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2658 2006-03-24 Jeff Law <law@redhat.com>
2660 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2661 around bug in immediate-use iterator.
2663 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2666 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2667 or __LITTLE_ENDIAN__.
2669 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2671 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2672 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2673 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2674 * config/sh/sh.opt (mdiv=): Amend description.
2675 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2676 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2677 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2678 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2679 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2680 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2681 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2682 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2683 TARGET_DIVIDE_CALL_FP.
2685 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2687 * haifa-sched.c (choose_ready): Fix type of the local variable.
2688 Move local variables. Add comment.
2689 (check_reg_live): Change signature. Make callable from debugger.
2690 * sched-int.h (check_reg_live): Update signature.
2691 * sched-ebb.c (check_reg_live): Update parameters.
2692 * sched-rgn.c (check_reg_live): Ditto.
2693 (region_head_or_leaf_p): Check pointer before dereferencing.
2694 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2695 before reload on optimization levels below 1.
2697 2006-03-23 Richard Henderson <rth@redhat.com>
2699 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2703 * config/alpha/predicates.md (local_symbolic_operand): Reject
2706 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2709 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2710 expressions which have overflowed constants.
2712 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2714 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2716 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2718 * cfgloopmanip.c (create_loop_notes): Removed.
2719 * final.c (final_scan_insn): Do not handle loop notes.
2720 * jump.c (squeeze_notes): Ditto.
2721 * cfglayout.c (skip_insns_after_block,
2722 duplicate_insn_chain): Ditto.
2723 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2725 * cfgloop.h (create_loop_notes): Declaration removed.
2727 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2729 * varasm.c (output_constant_pool): Restore fnname and fndecl
2731 (assemble_start_function): Adjust call accordingly.
2732 (assemble_end_function): Likewise.
2734 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2737 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2740 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2742 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2745 * system.h (ICE_EXIT_CODE): New macro.
2746 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2747 (diagnostic_action_after_output): Likewise.
2748 * gcc.c (fatal_ice): New function.
2749 (execute): Use it instead of fatal.
2750 (fancy_abort): Likewise.
2751 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2753 2006-03-22 Jeff Law <law@redhat.com>
2755 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2756 iv_analyze_result returning false.
2758 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2760 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2762 2006-03-22 Richard Henderson <rth@redhat.com>
2765 * except.c (duplicate_eh_regions_0): New.
2766 (duplicate_eh_region_1): Duplicate the children of the node as
2767 well as the node itself. Link them up properly.
2768 (duplicate_eh_region_2): Merge into ...
2769 (duplicate_eh_regions): ... here. Take copy_region argument, and
2770 copy only a sub-tree if asked. Simplify copying and fixup.
2771 (eh_region_outer_p): New.
2772 * except.h (duplicate_eh_regions): Update decl.
2773 (eh_region_outer_p): Declare.
2774 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2775 (lower_omp_master): Likewise.
2776 (lower_omp_ordered): Likewise.
2777 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2778 (move_stmt_r): Use it to remap labels. Handle recursion vs
2779 remap_decls_p properly.
2780 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2781 (find_outermost_region_in_block): New.
2782 (new_label_mapper): New.
2783 (move_sese_region_to_fn): Copy eh information to the new function
2785 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2787 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2790 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2792 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2793 into shared libraries.
2795 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2797 * doc/md.texi: Refer to i386/constraints.md instead of
2799 * config/i386/constraints.md: New file, extracted from...
2800 * config/i386/predicates.md: ...here.
2801 * config/i386/i386.md: Include constraints.md.
2803 2006-03-21 Jason Merrill <jason@redhat.com>
2805 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2808 * expr.c (init_block_move_fn): Force default visibility.
2809 (init_block_clear_fn): Likewise.
2810 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2811 * targhooks.c (default_external_stack_protect_fail): Likewise.
2813 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2815 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2816 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2817 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2818 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2819 (loadgp): Use mips_current_loadgp_style.
2820 (loadgp_noshared): New pattern.
2821 (sibcall_internal): Use MIPS_CALL.
2822 (sibcall_value_internal): Likewise.
2823 (sibcall_value_multiple_internal): Likewise.
2824 (call_internal): Likewise.
2825 (call_value_internal): Likewise.
2826 (call_value_multiple_internal): Likewise.
2827 (call_split): Use MIPS_CALL and add an 'S' constraint.
2828 (call_value_split): Likewise.
2829 (call_value_multiple_split): Likewise.
2830 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2831 (-mshared): New option.
2832 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2833 (mips_current_loadgp_style): Declare.
2834 * config/mips/mips.c (mips_classify_symbol): Avoid using
2835 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2836 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2837 TARGET_ABSOLUTE_ABICALLS.
2838 (override_options): Adjust comments. Improve the warning that is
2839 issued when -mabicalls and -G are used together.
2840 (mips_file_start): Remove comment.
2841 (mips_current_loadgp_style): New function.
2842 (mips_gnu_local_gp): New variable.
2843 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2845 (mips_output_function_prologue): Use mips_current_laodgp_style.
2846 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2847 the cprestore instruction.
2848 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2849 live for TARGET_ABSOLUTE_ABICALLS.
2850 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2851 (ASM_SPEC): Pass down -mshared and -mno-shared.
2852 (MIPS_CALL): New macro.
2853 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2855 * doc/invoke.texi (-mabicalls): Update documentation.
2856 (-mshared): Document.
2858 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2860 * config/ia64/unwind-hpux.c: New file.
2861 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2863 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2866 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2868 2006-03-21 Jeff Law <law@redhat.com>
2870 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2871 type conversions of a VR_VARYING source to a wider type.
2873 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2875 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2876 tm_file on Solaris 10 and later.
2877 (sparc64-*-solaris2*): Likewise.
2878 (sparc-*-solaris2*): Likewise.
2879 * config/sol26.h: Rename to config/sol2-6.h.
2880 * config/sol2-10.h: New file.
2882 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2885 * tree-ssa-pre.c (create_component_ref_by_pieces):
2888 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2891 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2892 return it immediately.
2894 2006-03-21 Michael Matz <matz@suse.de>
2896 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2898 (remove_arc, add_arc): Update num_out_arcs member.
2899 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2901 (cache_presence): New function.
2902 (compare_states_for_equiv): New function.
2903 (state_is_differed): Don't take number of outargs, adjust callers.
2904 Use new invariant for speeding up.
2905 (init_equiv_class): Create initial classes based on sorted
2907 (partition_equiv_class): Don't track out_arcs_num.
2908 (evaluate_equiv_classes): Call cache_presence on all states and
2911 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2913 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2914 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2915 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2916 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2918 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2919 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2920 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2921 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2922 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2924 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2925 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2926 (REGNO_REG_CLASS): ARGP is in PREGS.
2927 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2929 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2930 to deal with those addresses.
2931 * addresses.h: New file.
2932 * caller-save.c: Include "addresses.h".
2933 (init_caller_save): Use new base_reg_class function.
2934 * rtl-factoring.c: Include "addresses.h".
2935 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2936 * recog.c: Include "addresses.h".
2937 (preprocess_constraints): Use new base_reg_class function.
2938 * regrename.c: Include "addresses.h".
2939 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2940 functions. Keep track of a new var INDEX_CODE to compute valid
2942 (replace_oldest_value_addr): Likewise.
2943 (replace_oldest_value_mem): Use base_reg_class.
2944 * reload.c: Include "addresses.h".
2945 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2946 (find_reloads): Use new base_reg_class function.
2947 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2948 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2949 all callers and prototype changed.
2950 * reload1.c: Include "addresses.h".
2951 (maybe_fix_stack_asms): Use base_reg_class.
2952 * regclass.c: Include "addresses.h".
2953 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2954 (init_reg_autoinc): Use new base_reg_class function.
2955 (record_reg_classes): Likewise.
2956 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2957 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2958 Use new args to compute necessary class.
2960 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2961 regrename.o, rtl-factoring.o): Update dependencies.
2962 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2963 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2964 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2965 REG_OK_FOR_INDEX_P): Delete documentation.
2967 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2969 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2970 from V7 to V9 for Solaris 7 and above.
2972 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2974 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2975 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2976 argument pointers may not alias any other storage.
2977 * common.opt: Define option -fargument-noalias-anything.
2978 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2979 alias semantics is specified by flag_argument_noalias > 2.
2981 2006-03-20 Jeff Law <law@redhat.com>
2983 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2984 (pass_phi_only_cprop): Declare.
2985 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2987 * tree-ssa-dom.c (degenerate_phi_result): New function.
2988 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2989 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2990 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2991 (eliminate_degenerate_phis): Likewise.
2992 (pass_phi_only_cprop): New pass descriptor.
2993 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2994 support code. Callers updated.
2995 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2996 (store_copy_prop): Likewise.
2997 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2999 2006-03-20 Jason Merrill <jason@redhat.com>
3002 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3003 (push_visibility, pop_visibility): Likewise.
3004 * c-pragma.h: Declare them.
3006 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3008 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3010 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3011 parameter and use get_ebb_head_tail.
3012 (sh_md_init_global): Adjust uses of find_regmode_weight.
3014 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3016 * function.h (struct function) <x_tail_recursion_reentry>:
3017 Rename to x_stack_check_probe_note.
3018 (tail_recursion_reentry): Rename to stack_check_probe_note.
3019 * function.c: Replace tail_recursion_reentry with
3020 stack_check_probe_note everywhere.
3021 (expand_function_start): Only emit a note for
3022 stack_check_probe_note with -fstack-protect.
3023 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3025 * emit-rtl.c (remove_unnecessary_notes): Remove.
3026 (pass_remove_unnecessary_notes): Remove.
3027 * rtl.h (remove_unnecessary_notes): Remove prototype.
3028 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3029 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3030 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3032 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3035 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3036 (valid_in_set): Handle ARRAY_REF.
3037 Change "if min_variant or VH" to asserts.
3038 (create_component_ref_by_pieces): Handle ARRAY_REF.
3039 (create_expression_by_pieces): Likewise.
3040 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3042 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3044 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3045 is operand of switch, not str[0].
3047 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3049 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3050 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3052 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3054 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3055 end of insn_extra_address_constraint declaration.
3057 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3059 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3060 (no-sum-in-toc): Same.
3061 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3063 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3064 NO_FP_IN_TOC for -fPIC instead of mask.
3066 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3067 (BOOT_LDFLAGS): Delete.
3069 * config/rs6000/t-aix52: Same.
3071 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3072 (stmsi[345678]_power): New.
3074 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3076 * config/ia64/ia64.opt: Add empty line to end of file.
3078 2006-03-17 Richard Guenther <rguenther@suse.de>
3081 * builtins.c (get_pointer_alignment): For component style references
3082 adjust alignment to the component type alignment. Make sure
3083 to adjust alignment for component access of constants.
3085 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3087 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3090 2006-03-17 Paul Brook <paul@codesourcery.com>
3092 * doc/install.texi: Docuemnt --with-mode.
3093 * config.gcc: Add --with-mode for arm*-*-*.
3094 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3096 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3098 * sh.c (max_labelno_before_reorg): New variable.
3099 (sh_reorg): Initialize it.
3100 (find_barrier): Check max_labelno_before_reorg before using
3101 label_to_alignment. Take length of explicit alignment insns
3102 into account. When seeing a UNSPECV_CONST_END, return it.
3104 * sh.c (fixup_mova): Set mode of affected label to QImode.
3105 (untangle_mova): New function.
3106 (find_barrier): Use it. Check mode of label before decrementing
3108 (sh_reorg): Likewise.
3109 Set mode of all insns back to VOIDmode.
3111 * sh.c (MOVA_LABELREF): New macro.
3112 (mova_p, fixup_mova, sh_reorg): Use it.
3113 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3114 ADDR_DIFF_VEC matches mova.
3116 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3118 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3119 with ATTRIBUTE_UNUSED.
3121 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3123 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3124 pointer, instead of assuming it is possible to derive the
3125 correct args size from a call insn.
3127 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3129 * rtl.h (CONST_INT_P): Define.
3130 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3131 instead of GET_CODE(x) == CONST_INT.
3132 (vax_rtx_costs): Likewise.
3133 (vax_output_int_move): Likewise.
3134 (vax_output_int_add): Likewise.
3135 (legitimate_constant_address_p): Likewise.
3136 (index_term_p): Likewise.
3137 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3138 * config/vax/vax.md (and<mode>3): Likewise.
3139 (ashrsi3): Likewise.
3141 (movstricthi): Likewise.
3142 (movstrictqi): Likewise.
3143 (rotrsi3): Likewise.
3144 (five unnamed insns): Likewise.
3146 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3148 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3149 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3150 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3151 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3152 Pass to ASM_OUTPUT_DWARF_OFFSET.
3153 * dwarf2out.c (debug_frame_section): New.
3154 (output_call_frame_info): Use debug_frame_section. Pass it to
3155 dw2_asm_output_offset.
3156 (output_die): Pass appropriate section to dw2_asm_output_offset.
3157 (output_compilation_unit_header): Likewise.
3158 (output_pubnames): Likewise.
3159 (output_aranges): Likewise.
3160 (enum dw_val_class): Break dw_val_class_lbl_offset into
3161 dw_val_class_lineptr and dw_val_class_macptr.
3162 (add_AT_lbl_offset): Delete.
3163 (add_AT_lineptr): New.
3164 (add_AT_macptr): New.
3165 (AT_lbl): Expect a lineptr or macptr.
3166 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3167 (attr_checksum): Likewise.
3168 (same_dw_val_p): Likewise.
3169 (size_of_die): Likewise.
3170 (value_format): Likewise.
3171 (output_die): Likewise.
3172 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3174 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3175 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3176 * config/darwin-protos.h (darwin_file_start): New.
3177 (darwin_asm_output_dwarf_offset): New.
3178 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3179 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3181 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3182 if not EH section; simplify.
3183 (darwin_file_start): New.
3184 (darwin_asm_output_dwarf_offset): New.
3185 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3187 (DEBUG_INFO_SECTION): Likewise.
3188 (DEBUG_ABBREV_SECTION): Likewise.
3189 (DEBUG_ARANGES_SECTION): Likewise.
3190 (DEBUG_MACINFO_SECTION): Likewise.
3191 (DEBUG_LINE_SECTION): Likewise.
3192 (DEBUG_LOC_SECTION): Likewise.
3193 (DEBUG_PUBNAMES_SECTION): Likewise.
3194 (DEBUG_STR_SECTION): Likewise.
3195 (DEBUG_RANGES_SECTION): Likewise.
3196 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3197 (ASM_OUTPUT_DWARF_OFFSET): New.
3199 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3201 * config.gcc (tm_defines): Always add to previous value rather
3204 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3206 * config/mips/predicates.md (splittable_const_int_operand): New,
3207 split from move_operand.
3208 (splittable_symbolic_operand): New.
3209 (move_operand): Add commentary. Use splittable_const_int_operand.
3210 Inline mips_atomic_symbolic_constant_p.
3211 * config/mips/mips.md: Add combine splitters for handling moves
3212 of splittable_const_int_operands and splittable_symbolic_operands.
3213 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3214 (mips_split_symbol): Declare.
3215 (mips_move_integer): Declare.
3216 * config/mips/mips.c (mips_split_p): Make global.
3217 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3218 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3219 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3220 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3221 (mips_offset_within_object_p): Handle block symbols.
3222 (mips_atomic_symbolic_constant_p): Delete.
3223 (mips_cannot_force_const_mem): Return false for constants that
3224 mips_legitimize_move can handle.
3225 (mips_use_blocks_for_constant_p): New function.
3226 (mips_split_symbol): Make global.
3227 (mips_move_integer): Likewise. Add a temporary register argument.
3228 (mips_legitimize_const_move): Use splittable_const_int_operand and
3229 splittable_symbolic_operand.
3230 (mips_use_anchors_for_symbol_p): New function.
3231 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3232 (mips_split_p): Declare.
3234 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3236 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3237 (mips*-*-linux*): Likewise.
3239 2006-03-16 Roger Sayle <roger@eyesopen.com>
3240 Daniel Speyer <dspeyer@wam.umd.edu>
3243 * tree-dump.c (dump_real): New function.
3244 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3245 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3246 (tree-dump.o): Add $(REAL_H) to the dependencies.
3248 2006-03-16 Roger Sayle <roger@eyesopen.com>
3251 * real.c (real_from_string): If the mantissa is zero, don't bother
3252 parsing the exponent as the result should always be zero.
3254 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3256 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3258 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3260 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3261 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3262 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3263 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3264 ia64_sched_finish_global): New static functions to implement
3265 hooks from gcc_target.sched.
3266 (spec_check_no, max_uid, pending_data_specs): New static variables.
3267 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3268 ia64_spec_check_src_p): New static functions.
3269 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3270 (TARGET_SCHED_ADJUST_COST): Removed.
3271 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3272 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3273 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3274 TARGET_SCHED_GEN_CHECK,
3275 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3276 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3277 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3278 Fixed to handle speculation checks.
3279 (rtx_needs_barrier): Fixed to handle speculative loads and
3281 (ia64_variable_issue): Added code to count speculative loads and their
3283 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3285 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3287 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3289 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3290 (ia64_reorg): Reset stops_p to NULL after it is freed.
3291 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3292 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3293 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3295 (data_speculative, control_speculative, check_load): New attributes.
3296 (mov<mode>_advanced, mov<mode>_speculative,
3297 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3298 zero_extend<mode>di2_speculative,
3299 zero_extend<mode>di2_speculative_advanced): New patterns for
3300 data and control speculative loads.
3301 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3303 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3304 New pattern for data and control speculation checks.
3305 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3306 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3307 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3308 Auxiliary definitions for the patterns.
3309 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3310 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3312 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3314 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3315 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3316 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3317 New resource constraints.
3318 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3320 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3321 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3322 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3323 msched-in-control-spec, msched-ldc, msched-control-ldc,
3324 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3325 msched-prefer-non-control-spec-insns,
3326 msched-count-spec-in-critical-path): New flags to tune speculative
3328 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3329 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3330 msched-in-control-spec, msched-ldc, msched-control-ldc,
3331 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3332 msched-prefer-non-control-spec-insns,
3333 msched-count-spec-in-critical-path): Document new flags.
3335 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3337 * target.h (struct spec_info_def): New opaque declaration.
3338 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3339 speculate_insn, needs_block_p, gen_check,
3340 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3341 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3342 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3343 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3344 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3345 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3347 (TARGET_SCHED): Use new macros.
3348 * rtl.h (copy_DEPS_LIST_list): New prototype.
3349 * sched-int.h (struct sched_info): Change signature of new_ready field,
3350 adjust all initializations. New fields: add_remove_insn,
3351 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3352 region_head_or_leaf_p.
3353 (struct spec_info_def): New structure declaration.
3354 (spec_info_t): New typedef.
3355 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3356 recovery_block, orig_pat.
3357 (glat_start, glat_end): New variables declaraions.
3358 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3360 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3361 DETACH_LIFE_INFO, USE_GLAT.
3362 (enum SPEC_SCHED_FLAGS): New enumeration.
3363 (NOTE_NOTE_BB_P): New macro.
3364 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3365 attach_life_info, debug_spec_status, check_reg_live): New functions.
3366 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3367 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3369 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3370 * ddg.c (get_block_head_tail): Adjust all uses.
3371 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3372 (sms_sched_info): Initialize new fields.
3373 (contributes_to_priority): Removed.
3374 * haifa-sched.c (params.h): New include.
3375 (get_block_head_tail): Adjust all uses.
3376 (ISSUE_POINTS): New macro.
3377 (glat_start, glat_end): New global variables.
3378 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3379 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3380 old_last_basic_block, before_recovery, current_sched_info_var,
3381 rgn_n_insns, luid): New static variables.
3382 (insn_cost1): New function. Move logic from insn_cost to here.
3383 (find_insn_reg_weight1): New function. Move logic from
3384 find_insn_reg_weight to here.
3385 (reemit_notes, move_insn, max_issue): Change signature.
3386 (move_insn1): Removed.
3387 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3388 extend_bb): New static functions to support extension of scheduler's
3390 (generate_recovery_code, process_insn_depend_be_in_spec,
3391 begin_speculative_block, add_to_speculative_block,
3392 init_before_recovery, create_recovery_block, create_check_block_twin,
3393 fix_recovery_deps): New static functions to support
3394 generation of recovery code.
3395 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3396 restore_bb_notes, move_block_after_check, move_succs): New static
3397 functions to support ebb scheduling.
3398 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3399 functions to support handling of register live information.
3400 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3401 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3402 add_jump_dependencies): New static functions.
3403 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3404 consistancy checking.
3405 (debug_spec_status): New function to call from debugger.
3406 (priority): Added code to handle speculation checks.
3407 (rank_for_schedule): Added code to distinguish speculative instructions.
3408 (schedule_insn): Added code to handle speculation checks.
3409 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3410 Fixed to handle ebbs.
3411 (move_insn): Added code to handle ebb scheduling.
3412 (max_issue): Added code to use ISSUE_POINTS of instructions.
3413 (choose_ready): Added code to choose between speculative and
3414 non-speculative instructions.
3415 (schedule_block): Added code to handle ebb scheduling and scheduling of
3416 speculative instructions.
3417 (sched_init): Initialize new variables.
3418 (sched_finish): Free new variables. Print statistics.
3419 (try_ready): Added code to handle speculative instructions.
3420 * lists.c (copy_DEPS_LIST_list): New function.
3421 * sched-deps.c (extend_dependency_caches): New function. Move logic
3422 from create_dependency_caches to here.
3423 (get_dep_weak, ds_merge): Make global.
3424 * genattr.c (main): Code to output prototype for
3425 dfa_clear_single_insn_cache.
3426 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3427 (output_dfa_clean_insn_cache_func): Code to output
3428 dfa_clear_single_insn_cache function.
3429 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3431 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3433 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3434 New static variables.
3435 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3436 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3438 (ebb_sched_info): Initialize new fields.
3439 (get_block_head_tail): Adjust all uses.
3440 (compute_jump_reg_dependencies): Fixed to use glat_start.
3441 (schedule_ebb): Code to remove unreachable last block.
3442 (schedule_ebbs): Added code to update register live information.
3443 * sched-rgn.c (region_sched_info): Initialize new fields.
3444 (get_block_head_tail): Adjust all uses.
3445 (last_was_jump): Removed. Adjust users.
3446 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3447 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3448 Implement new hooks.
3449 (check_dead_notes1): New static function.
3450 (struct region): New fields: dont_calc_deps, has_real_ebb.
3451 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3452 (BB_TO_BLOCK): Fixed to handle EBBs.
3453 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3454 (ebb_head): New static variable.
3455 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3456 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3458 (compute_dom_prob_ps): New assertion.
3459 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3460 global_live_at_start.
3461 (init_ready_list): New assertions.
3462 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3463 (new_ready): Add support for BEGIN_CONTROL speculation.
3464 (schedule_insns): Fixed code that updates register live information
3466 (schedule_region): Fixed to handle EBBs.
3467 (init_regions): Use extend_regions and check_dead_notes1.
3468 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3469 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3470 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3471 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3472 TARGET_SCHED_GEN_CHECK,
3473 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3474 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3475 * doc/invoke.texi (max-sched-insn-conflict-delay,
3476 sched-spec-prob-cutoff): Document.
3478 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3480 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3481 inter_tick, queue_index.
3482 (struct sched_info): Change signature of init_ready_list field.
3483 Adjust all initializations.
3484 (RESOLVED_DEPS): New access macro.
3485 (ready_add): Remove prototype.
3486 (try_ready): Add prototype.
3487 * sched-rgn.c (init_ready_list): Use try_ready.
3488 (schedule_region): Initialize
3489 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3490 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3491 (init_ready_list): Use try_ready.
3492 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3493 * lists.c (remove_list_elem): Remove `static'.
3494 (remove_free_INSN_LIST_elem): New function.
3495 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3496 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3497 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3499 (readyp): New variable.
3500 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3501 change_queue_index, resolve_dep): New static functions.
3502 (try_ready): New function. Adjust callers in sched-rgn.c and
3503 sched-ebb.c to use it instead of ready_add.
3504 (clock_var): Move at the begining of file.
3505 (rank_for_schedule): Fix typo.
3506 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3507 (ready_lastpos): Enforce assertion.
3508 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3510 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3511 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3512 (queue_to_ready): Use free_INSN_LIST_list.
3513 (early_queue_to_ready): Fix typo.
3514 (schedule_block): Init readyp. Move init_ready_list call after the
3515 initialization of clock_var. Fix error in rejecting insn by
3516 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3517 that previously corrected INSN_TICKs. Add code for handling
3519 (set_priorities): Fix typo.
3520 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3521 Clarify comment and code that keeps current_sched_info->next_tail
3524 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3526 * sched-rgn.c (extend_rgns): New static function.
3527 (find_rgns): Use it.
3528 (gather_region_statistics, print_region_statistics): New static
3530 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3531 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3533 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3534 Andrey Belevantsev <abel@ispras.ru>
3536 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3537 * lists.c (unused_deps_list): New variable.
3538 (free_list): Add assertions to verify the proper distinguishing
3539 between INSN_LISTs and DEPS_LISTs.
3540 (find_list_elem, remove_list_elem, remove_list_node): New static
3542 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3543 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3544 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3545 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3547 (free_INSN_LIST_node): Likewise.
3548 * modulo-sched.c (current_sched_info): Initialize flags field.
3549 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3550 * rtl.def (DEPS_LIST): Define.
3551 * rtl.h: Declare new functions from lists.c.
3552 * sched-deps.c (spec_dependency_cache): New static variable.
3553 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3554 (add_dependence): Change return type to void. Move the logic to ...
3555 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3556 (delete_all_dependences): Add comment about forward_dependency_cache.
3557 Handle spec_dependency_cache. Handle DEPS_LISTs.
3558 (fixup_sched_groups): Clarify the change of priority of output
3559 and anti dependencies.
3560 (sched_analyze_2): Adjust add_dependence calls to create data
3561 speculative dependence.
3562 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3563 Adjust all callers. Handle DEPS_LISTS.
3564 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3565 presence of speculation.
3566 (init_dependency_caches, free_dependency_caches):
3567 Handle spec_dependency_cache.
3568 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3569 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3570 New static functions.
3571 (add_or_update_back_dep, add_or_update_back_forw_dep,
3572 add_back_forw_dep, delete_back_forw_dep): New functions.
3573 * sched-int.h (ds_t, dw_t): New typedefs.
3574 (struct sched_info): Add new field flags.
3575 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3576 Prototype new sched-deps.c functions.
3577 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3578 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3579 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3580 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3581 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3582 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3584 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3586 * sched-rgn.c (current_sched_info): Initialize flags field.
3587 (schedule_insns): Initialize current_sched_info before the sched_init
3589 * sched-ebb.c (current_sched_info): Initialize flags field.
3590 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3591 Call add_or_update_back_dep instead of add_dependence.
3592 Create control speculative dependencies.
3593 (schedule_insns): Initialize current_sched_info before the sched_init
3596 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3598 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3600 (sh_fallback_frame_state): Likewise.
3602 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3604 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3605 Do switch on default_use_cxa_atexit.
3606 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3607 * config/darwin-crt3.o: New.
3608 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3609 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3610 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3612 * config/rs6000/t-darwin: Move crt2.o building to here.
3613 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3614 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3617 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3619 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3620 from '! xxx' to '!xxx' for coding-style conformance.
3621 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3622 (EXTRA_CONSTRAINT): Likewise.
3623 * config/vax/vax.md (four unnamed insns): Likewise.
3625 2006-03-15 Paul Brook <paul@codesourcery.com>
3627 * config/arm/arm.c (minipool_pad): New.
3628 (add_minipool_forward_ref): Include pool alignment padding in address
3630 (push_minipool_fix): Set minipool_pad.
3631 (minipool_pad): Ditto.
3633 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3635 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3636 instead of GET_CODE() == MEM and REG_P() instead of
3638 (print_operand_address): Likewise.
3639 (vax_address_cost): Likewise.
3640 (vax_rtx_costs): Likewise.
3641 (vax_notice_update_cc): Likewise.
3642 (vax_output_int_add): Likewise.
3643 (INDEX_REGISTER_P): Likewise.
3644 (BASE_REGISTER_P): Likewise.
3645 (nonindexed_address_p): Likewise.
3646 (vax_mode_dependent_address_p): Likewise.
3647 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3648 (PRINT_OPERAND): Likewise.
3649 * config/vax/vax.md (ashlsi3): Likewise.
3650 (ashlsi3): Likewise.
3651 (some more unnamed insns): Likewise.
3653 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3655 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3656 iterator-style macro.
3657 (mark_control_dependent_edges_necessary): Update the use of
3658 EXECUTE_IF_CONTROL_DEPENDENT.
3660 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3662 * config/sh/predicates.md (cache_address_operand): Special.
3663 (ua_address_operand): Likewise.
3665 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3667 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3669 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3671 2006-03-15 Andreas Schwab <schwab@suse.de>
3673 * gensupport.c (identify_predicable_attribute): Don't free p_false
3674 when it is still in use.
3676 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3678 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3679 the default setting here.
3681 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3683 * tree-pass.h (pass_cfg): Remove.
3684 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3685 * passes.c (pass_cfg): Don't run it.
3687 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3689 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3690 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3692 (stack_regs_mentioned): Update the uses of
3693 stack_regs_mentioned_data. Don't access the array beyond its
3695 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3696 Don't include gt-reg-stack.h.
3698 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3699 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3701 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3704 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3707 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3709 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3711 2006-03-14 Richard Guenther <rguenther@suse.de>
3713 PR tree-optimization/26672
3714 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3717 2006-03-14 Richard Guenther <rguenther@suse.de>
3719 PR tree-optimization/26667
3720 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3721 node for the callees. Always allow inlining if it will shrink
3724 2006-03-14 Richard Guenther <rguenther@suse.de>
3727 * builtins.c (get_pointer_alignment): Prefer alignment
3728 information from decls over that from types.
3730 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3733 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3735 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3737 * config/rs6000/rs6000.opt (mdlmzb): New option.
3738 (msched-prolog, msched-epilog): Use Var not Mask.
3739 * doc/invoke.texi (-mdlmzb): Document.
3740 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3742 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3743 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3745 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3747 PR rtl-optimization/25739
3748 * bt-load.c (augment_live_range): Free tos pointer.
3750 * gensupport.c (identify_predicable_attribute): Free
3752 * gcov.c (create_file_names): Free name pointer.
3754 2006-03-13 Roger Sayle <roger@eyesopen.com>
3757 * stmt.c (emit_case_nodes): Handle the case where the index is a
3758 CONST_INT, where the comparison mode is specified by the index type.
3760 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3762 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3765 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3767 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3768 (*branch_fp_inverted): Likewise.
3770 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3773 * omp-low.c (expand_omp_for_generic): Mark istart0
3774 and iend0 as addressable.
3776 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3778 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3780 2006-03-13 Jeff Law <law@redhat.com>
3782 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3783 virtual operands are interesting.
3784 (vrp_visit_stmt): Corresponding changes.
3786 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3788 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3790 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3791 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3792 * config/bfin/crti.S: Use it instead of __PIC__.
3793 * config/bfin/crtn.S: Likewise.
3795 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3796 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3798 Lose 'G' modifier for call operand.
3799 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3800 recognize 'G' modifier.
3802 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3805 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3806 * stmt.c (expand_case): Likewise.
3808 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3810 PR rtl-optimization/26254
3811 * loop-invariant.c (seq_insns_valid_p): New function.
3812 (move_invariant_reg): Only emit new code if it is valid.
3814 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3816 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3818 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3819 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3820 (commit_one_edge_insertion): Do not look for loop notes.
3822 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3824 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3825 flag_test_coverage out of loop.
3827 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3829 * final.c (shorten_branches): Remove outdated comment, and turn
3830 the if branch that guards it to continue.
3832 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3834 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3835 * cfgloop.h (struct loop): Remove unused fields.
3837 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3839 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3840 (-dL, -fdump-rtl-loop2): Update the dump file names
3842 * doc/invoke.texi: Update dump file names.
3844 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3846 * predict.c (estimate_probability): Remove.
3847 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3848 * basic-block.h (estimate_probability): Remove prototype.
3849 * passes.c (finish_optimization_passes): Dump branch prediction or
3850 profiling heuristics to the .profile tree dump.
3851 (init_optimization_passes): Unqueue pass_branch_prob.
3853 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3855 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3857 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3858 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3860 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3862 * function.h (frame_offset_overflow): Declare.
3863 * function.c (frame_offset_overflow): New function.
3864 (assign_stack_local_1): Call it to detect that the offset overflows.
3865 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3867 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3869 * config/sh/sh.c: Include alloc-pool.h.
3870 (label_ref_list_pool): New alloc pool.
3871 (label_ref_list_t): New type for lists of labels.
3872 (struct pool_node): Make wend a label_ref_list_t.
3873 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3875 (dump_table): Likewise.
3876 (sh_reorg): Set up the alloc pool before using add_constant and
3877 dump_table, and destroy it when finishing.
3879 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3881 * config/mips/mips.c: Remove redundant comment.
3883 2006-03-10 Jason Merrill <jason@redhat.com>
3886 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3887 the target was declared 'register'.
3889 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3891 * genpreds.c (write_insn_constraint_len): Change definition of
3892 insn_constraint_len to return size_t to match the declaration.
3894 2006-03-10 DJ Delorie <dj@redhat.com>
3896 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3898 (m32c_expand_insv): Fix test for an AND mask.
3900 2006-03-10 Richard Guenther <rguenther@suse.de>
3903 * builtins.c (get_pointer_alignment): Handle component
3904 references for field alignment.
3906 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3908 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3909 when building with libgloss.
3910 (sh*elf): Implement --without-fp option.
3911 (sh64-superh-linux*): Don't multilib.
3913 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3915 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3917 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3919 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3920 Set it when one of the replacement functions returned true.
3921 Return TODO_cleanup_cfg if cfgchanged is true.
3922 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3924 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3926 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3927 instead of gen_lowpart.
3929 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3931 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3933 (mips_output_order_conditional_branch): Declare.
3934 * config/mips/mips.h (MIPS_BRANCH): New macro.
3935 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3936 for the comparison. Use gen_condjump.
3937 (mips_output_conditional_branch): Rework interface to take the
3938 asm templates for a direct branch and the inverse of a direct branch.
3939 (mips_output_order_conditional_branch): New function.
3940 (mips_builtin_branch_and_move): New function.
3941 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3942 branch condition. Use gen_single_cc as the condition for
3943 __builtin_mips_upper_* or __builtin_mips_lower_*.
3944 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3945 Use VOIDmode for the branch condition.
3946 * config/mips/predicates.md (order_operator): New predicate.
3947 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3948 (branch_fp): Rename to...
3949 (*branch_fp): ...this. Remove mode from comparison operator.
3950 Use new mips_output_conditional_branch interface.
3951 (branch_fp_inverted): Rename to...
3952 (*branch_fp_inverted): ...this and update as for *branch_fp.
3953 (*branch_zero<mode>): Rename to...
3954 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3955 Use mips_output_order_conditional_branch. Only accept ordered
3957 (*branch_zero<mode>_inverted): Rename to...
3958 (*branch_order<mode>_inverted): ...this and update as for
3959 *branch_order<mode>.
3960 (*branch_equality<mode>): Accept zero as the second operand to
3961 the equality operator. Use the new mips_output_conditional_branch
3963 (*branch_equality<mode>_inverted): Likewise.
3964 (condjump): New expander.
3965 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3967 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3968 (bc1any2t, bc1any2f): Likewise.
3969 (single_cc): New expander.
3970 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3972 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3974 * doc/md.texi: Update documentation of MIPS constraints.
3975 * config/mips/constraints.md: New file.
3976 * config/mips/mips.md: Include it.
3977 * config/mips/mips.c (mips_char_to_class): Delete.
3978 (override_options): Don't initialize mips_char_to_class.
3979 * config/mips/mips.h (mips_char_to_class): Delete.
3980 (REG_CLASS_FROM_LETTER): Delete.
3981 (CONST_OK_FOR_LETTER_P): Delete.
3982 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3983 (EXTRA_CONSTRAINT_Y): Delete.
3984 (EXTRA_CONSTRAINT_STR): Delete.
3985 (CONSTRAINT_LEN): Delete.
3986 (EXTRA_MEMORY_CONSTRAINT): Delete.
3988 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3990 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3991 original fn's eh regions.
3993 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3995 * fold-const.c (build_range_check): Make sure to use a valid type to
3996 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3999 (range_predecessor): New static function.
4000 (range_successor): Likewise.
4001 (merge_ranges): Use them to compute predecessors and successors of
4004 2006-03-09 Roger Sayle <roger@eyesopen.com>
4007 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4008 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4010 2006-03-08 DJ Delorie <dj@redhat.com>
4012 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4013 (addpsi3): Expand to include memory operands. Remove
4014 reload-specific splits.
4015 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4016 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4017 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4018 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4019 (shift1_qi, shift1_hi, insv): New.
4020 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4021 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4022 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4024 * config/m32c/m32c-protos.h: Update as needed.
4025 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4026 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4027 Fail for unrecognized R* constraints.
4028 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4029 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4030 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4032 (m32c_init_libfuncs): New.
4033 (m32c_legitimate_address_p): Add debug wrapper.
4034 (m32c_rtx_costs): New.
4035 (m32c_address_cost): New.
4036 (conversions): Add 'B' prefix.
4037 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4038 operands, or word regnames for QI operands. 'B' prints bit
4040 (m32c_expand_setmemhi): New.
4041 (m32c_expand_movmemhi): New.
4042 (m32c_expand_movstr): New.
4043 (m32c_expand_cmpstr): New.
4044 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4045 (m32c_expand_neg_mulpsi3): Handle non-ints.
4046 (m32c_cmp_flg_0): New.
4047 (m32c_expand_movcc): New.
4048 (m32c_expand_insv): New.
4049 (m32c_scc_pattern): New.
4050 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4051 a0/a1 out of SIregs.
4052 (STORE_FLAG_VALUE): New.
4053 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4056 * config/m32c/mov.md: Make constraints more liberal.
4057 (zero_extendqihi2): Optimize r0/r1 case.
4058 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4059 * config/m32c/predicates.md (m32c_any_operand): New.
4060 (m32c_nonimmediate_operand): New.
4061 (m32c_hl_operand): New.
4062 (m32c_r3_operand): New.
4065 (memsym_operand): New.
4066 (memimmed_operand): New.
4067 (a_qi_operand): New.
4068 (m32c_eqne_operator): New.
4069 (m32c_1bit8_operand): New.
4070 (m32c_1bit16_operand): New.
4071 (m32c_1mask8_operand): New.
4072 (m32c_1mask16_operand): New.
4073 * config/m32c/blkmov.md: New file.
4074 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4076 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4078 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4079 unsigned to fix signed/unsigned comparison issue in
4080 DWARF2_FRAME_REG_OUT.
4081 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4082 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4084 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4085 of ptr into the ENABLE_CHECKING section.
4087 2006-03-08 Jeff Law <law@redhat.com>
4089 * tree-vrp.c (infer_value_range): Only count pointer uses
4090 and dereferences if -fdelete-null-pointer-checks is enabled.
4092 * tree-vrp.c (find_assert_locations): Infer value ranges for
4093 single use pointers, but do not create ASSERT_EXPRs for them.
4094 When a non-null range is inferred for a pointer, backwards
4095 propagate that range to other equivalent pointers through the
4098 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4101 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4102 language hook targets.
4103 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4104 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4105 if language hook targets were missing.
4107 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4109 * tree-ssa-opfinalize.h: Removed.
4110 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4112 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4113 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4114 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4115 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4116 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4117 finalize_ssa_v_must_def_ops): New.
4119 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4121 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4124 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4126 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4128 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4129 addresses with offsets; reorganize.
4131 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4132 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4133 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4135 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4138 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4140 2006-03-08 Ben Elliston <bje@au.ibm.com>
4142 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4144 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4147 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4150 2006-03-07 Richard Guenther <rguenther@suse.de>
4152 PR tree-optimization/26587
4153 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4155 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4157 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4159 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4161 * hooks.c (hook_bool_mode_rtx_true): New function.
4162 * hooks.h (hook_bool_mode_rtx_true): Declare.
4163 * toplev.c (compile_file): Call output_shared_constant_pool.
4164 * varasm.c (shared_constant_pool): New variable.
4165 (assemble_start_function, assemble_end_function): Remove arguments
4166 from call to output_constant_pool.
4167 (create_constant_pool): New function, split out from...
4168 (init_varasm_status): ...here.
4169 (force_const_mem): Choose between the shared and per-function constant
4170 pools. Set current_function_uses_const_pool when reusing old entries
4171 as well as when creating new ones.
4172 (mark_constant): Ignore data argument.
4173 (mark_constants): Remove pool argument.
4174 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4175 to decide whether the function uses a constant pool.
4176 (output_constant_pool_contents): New function, split out from...
4177 (output_constant_pool): ...here.
4178 (output_shared_constant_pool): New function.
4179 (init_varasm_once): Initialize shared_constant_pool.
4180 * output.h (output_constant_pool): Delete.
4181 (output_shared_constant_pool): Declare.
4182 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4183 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4185 2006-03-06 Nick Clifton <nickc@redhat.com>
4187 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4188 flag_strength_reduce.
4190 2006-03-06 Ben Elliston <bje@au.ibm.com>
4192 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4193 x86_64-*-linux* configurations.
4195 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4196 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4198 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4200 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4202 * basic-block.h: Remove the extern for
4203 rediscover_loops_after_threading.
4205 * cfgloop.c (cancel_loop): Make it static.
4206 * cfgloop.h: Remove the prototype for cancel_loop.
4208 * flow.c (recompute_reg_usage): Make it static.
4209 * rtl.h: Remove the prototype for recompute_reg_usage.
4211 * function.c (use_return_register): Make it static.
4212 * function.h: Remove the prototype.
4214 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4216 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4218 * recog.h: Remove the prototype for
4219 validate_change_maybe_volatile.
4221 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4223 * rtlanal.c (replace_reg): Remove.
4224 * rtl.h: Remove the prototype for replace_reg.
4226 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4228 * regclass.c (reg_scan_update): Remove.
4229 (reg_scan_mark_refs): Remove the last argument.
4230 * rtl.h: Remove the prototype for reg_scan_update.
4232 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4234 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4235 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4236 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4237 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4238 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4239 loop-invariant.c, omp-low.c, opts.c, passes.c,
4240 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4241 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4242 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4243 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4244 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4245 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4247 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4249 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4250 * dwarf2out.h: Remove the prototype for
4251 dwarf2out_add_library_unit_info.
4253 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4255 * tree.c (add_var_to_bind_expr): Remove.
4256 * tree.h: Remove the prototype for add_var_to_bind_expr.
4258 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4260 * regclass.c (n_non_fixed_regs): Remove.
4261 (init_reg_sets_1, globalize_reg): Remove all uses of
4263 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4265 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4267 * rtlanal.c (insns_safe_to_move_p): Remove.
4268 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4270 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4272 * expmed.c (expand_mult_add): Remove.
4273 * expr.h: Remove the prototype for expand_mult_add.
4275 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4277 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4278 and REG_SAVED_VAL_EXP constants.
4279 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4280 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4281 Handle regs stored by value.
4282 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4283 (execute_cfa_program): Handle DW_CFA_val_offset,
4284 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4285 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4286 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4287 (uw_install_context_1): Handle target regs stored by value.
4289 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4291 * tree-sra.c (tree_sra): Return todoflags;
4292 (generate_one_element): Set TODO_update_smt_usage if needed.
4293 (pass_sra): Remove TODO_update_smt_usage.
4294 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4296 (tree_ssa_forward_propagate_single_use_vars): Return
4297 TODO_update_smt_usage if we need to update SMT usage.
4298 (pass_forwprop): Remove TODO_update_smt_usage.
4300 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4302 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4303 (correct_use_link): Remove reference to get_stmt_operands.
4304 (update_stmt_operands): Likewise.
4305 (get_modify_expr_operands): New function factored out of
4306 parse_ssa_operands and get_expr_operands.
4307 Try to create V_MUST_DEFs for LHS by default.
4308 (get_expr_operands) <case MODIFY_EXPR>: Call
4309 get_modify_expr_operands.
4310 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4311 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4312 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4313 get_modify_expr_operands.
4315 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4317 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4318 * tree-flow.h: Remove the prototype for
4319 referenced_var_lookup_if_exists.
4321 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4323 PR rtl-optimization/26345
4325 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4327 2006-03-03 Roger Sayle <roger@eyesopen.com>
4329 PR tree-optimization/26524
4330 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4331 fold_convert to create a constant of the appropriate type.
4333 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4335 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4336 SYMBOL_REF_IN_BLOCK_P.
4337 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4338 of SYMBOL_FLAG_IN_BLOCK.
4339 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4340 instead of SYMBOL_REF_IN_BLOCK_P.
4341 * explow.c (use_anchored_address): Likewise.
4342 * rtl.c (rtx_size): Likewise.
4343 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4344 instead of SYMBOL_FLAG_IN_BLOCK.
4345 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4346 SYMBOL_REF_IN_BLOCK_P.
4347 (assemble_variable): Likewise.
4348 (output_constant_def_contents): Likewise.
4349 (output_constant_pool): Likewise.
4350 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4351 instead of SYMBOL_FLAG_IN_BLOCK.
4352 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4353 SYMBOL_REF_IN_BLOCK_P.
4354 (SYMBOL_REF_BLOCK): Likewise.
4355 (SYMBOL_REF_OFFSET): Likewise.
4356 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4357 SYMBOL_REF_IN_BLOCK_P.
4358 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4359 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4360 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4361 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4363 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4365 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4367 2006-03-02 Roger Sayle <roger@eyesopen.com>
4369 * simplify-rtx.c (simplify_unary_operation): When simplifying
4370 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4371 that we perform the right shift in the appropriate mode, and
4372 then extend or truncate the result to requested mode.
4374 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4376 * gengtype.c (main): Handle double_int type.
4377 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4378 * double-int.c: New file.
4379 * double-int.h: New file.
4380 * system.h: Include doubleint.h.
4381 * Makefile.in (SYSTEM_H): Include double-int.h.
4382 (double-int.o): Add.
4384 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4387 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4390 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4392 * tree-vrp.c (remove_range_assertions): Do not update statements
4395 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4397 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4399 * gcse.c (rest_of_handle_gcse): Ditto.
4400 * except.c (gate_handle_eh): Ditto.
4401 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4402 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4404 2006-03-02 Eric Christopher <echristo@apple.com>
4406 * config/i386/i386.c (machopic_output_stub): Add indirection to
4409 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4413 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4415 Sun Niagara specific optimizations.
4416 * config.gcc: Recognize niagara as target.
4417 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4418 (TARGET_CPU_niagara): Define.
4419 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4420 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4421 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4422 (ASM_CPU_SPEC): Likewise.
4423 (PROCESSOR_NIAGARA): New enum entry.
4424 (REGISTER_MOVE_COST): Handle Niagara.
4425 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4426 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4427 (sparc_override_options): Recognize "niagara", set appropriate
4428 default MASK_* values for it, and align functions to 32-bytes
4429 by default just like ULTRASPARC/ULTRASPARC3.
4430 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4431 (sparc64_initialize_trampoline): Likewise.
4432 (sparc_use_sched_lookahead): Use zero for niagara.
4433 (sparc_issue_rate): Use one for niagara.
4434 * config/sparc/niagara.md: New file.
4435 * config/sparc/sparc.md: Include it.
4436 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4437 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4438 when default cpu is niagara.
4439 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4440 (ASM_CPU_SPEC): Likewise.
4441 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4442 when default cpu is niagara.
4443 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4444 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4445 just like v9/ultrasparc/ultrasparc3.
4446 * doc/invoke.texi: Add documentation for "niagara" and improve
4447 existing documentation for ultrasparc variants.
4449 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4451 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4453 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4455 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4456 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4457 and say that only one is needed.
4458 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4459 * target.h (have_switchable_bss_sections): New hook.
4460 * explow.c (use_anchored_address): Check that the symbol is in a block.
4461 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4462 (bss_noswitch_section): New variables.
4463 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4464 (get_noswitch_section): New function.
4465 (get_block_for_section): Allow SECT to be null.
4466 (unlikely_text_section_p): Use SECTION_STYLE.
4467 (bss_initializer_p): New function.
4468 (get_variable_section): Move earlier in file. Take a new argument,
4469 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4470 Return one of the new *_sections in such cases.
4471 (get_block_for_decl): New function, extracting some logic from
4472 use_blocks_for_decl_p.
4473 (change_symbol_section): Remove in favor of...
4474 (change_symbol_block): ...this new function.
4475 (use_blocks_for_decl_p): Remove checks now performed by
4477 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4478 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4479 (emit_local, emit_bss, emit_common): ...these new functions.
4480 Return true if the alignment was honored.
4481 (emit_tls_common): New function.
4482 (asm_emit_uninitialised): Delete.
4483 (assemble_variable_noswitch): New function, split out from...
4484 (assemble_variable): ...here. Don't make decisions about common
4485 variables here. Globalize all public decls that go into non-common
4486 sections. Check whether SYMBOL_REF_BLOCK is null.
4487 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4488 (output_constant_pool): Likewise.
4489 (init_varasm_once): Initialize the new section variables.
4490 (have_global_bss_p): New function.
4491 (categorize_decl_for_section): Use bss_initializer_p.
4492 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4493 (place_block_symbol): Assert that the symbol must be in a block.
4494 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4495 (TARGET_INITIALIZER): Include it.
4496 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4497 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4498 (SECTION_MACH_DEP): Bump by two.
4499 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4500 (unnamed_section): Mention SECTION_UNNAMED in comment.
4501 (named_section): Likewise SECTION_NAMED.
4502 (noswitch_section_callback): New type.
4503 (noswitch_section): New structure.
4504 (section): Add a noswitch_section alternative.
4505 (SECTION_STYLE): New macro.
4506 (tls_comm_section, comm_section, lcomm_section): Declare.
4507 (bss_noswitch_section, have_global_bss_p): Declare.
4508 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4509 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4511 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4512 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4515 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4517 * gcc/tree-vrp.c (execute_vrp): Return value.
4518 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4519 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4520 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4521 (tree_lower_complex_O0): Ditto.
4522 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4523 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4524 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4525 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4526 (execute_tail_calls): Ditto.
4527 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4528 * gcc/tree.h (init_function_for_compilation): Ditto.
4529 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4530 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4531 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4532 * gcc/final.c (compute_alignments): Ditto.
4533 (rest_of_handle_final): Ditto.
4534 (rest_of_handle_shorten_branches): Ditto.
4535 (rest_of_clean_state): Ditto.
4536 * gcc/omp-low.c (execute_expand_omp): Ditto.
4537 (execute_lower_omp): Ditto.
4538 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4539 * gcc/ipa-reference.c (static_execute): Ditto.
4540 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4541 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4542 (rest_of_handle_machine_reorg): Ditto.
4543 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4544 * gcc/flow.c (recompute_reg_usage): Ditto.
4545 (rest_of_handle_remove_death_notes): Ditto.
4546 (rest_of_handle_life): Ditto.
4547 (rest_of_handle_flow2): Ditto.
4548 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4549 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4550 (do_ssa_store_ccp): Ditto.
4551 (execute_fold_all_builtins): Ditto.
4552 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4553 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4554 * gcc/ipa-pure-const.c (static_execute): Ditto.
4555 * gcc/cse.c (rest_of_handle_cse): Ditto.
4556 (rest_of_handle_cse2): Ditto.
4557 * gcc/web.c (rest_of_handle_web): Ditto.
4558 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4559 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4560 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4561 * gcc/tree-nrv.c (tree_nrv): Ditto.
4562 (execute_return_slot_opt): Ditto.
4563 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4564 (create_structure_vars): Ditto.
4565 * gcc/loop-init.c (rtl_loop_init): Ditto.
4566 (rtl_loop_done): Ditto.
4567 (rtl_move_loop_invariants): Ditto.
4568 (rtl_unswitch): Ditto.
4569 (rtl_unroll_and_peel_loops): Ditto.
4570 (rtl_doloop): Ditto.
4571 * gcc/gimple-low.c (lower_function_body): Ditto.
4572 (mark_used_blocks): Ditto.
4573 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4574 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4575 (cgraph_early_inlining): Ditto.
4576 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4577 * gcc/jump.c (cleanup_barriers): Ditto.
4578 (purge_line_number_notes): Ditto.
4579 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4580 (rest_of_handle_if_after_reload): Ditto.
4581 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4582 (tree_ssa_loop_im): Ditto.
4583 (tree_ssa_loop_unswitch): Ditto.
4584 (tree_vectorize): Ditto.
4585 (tree_linear_transform): Ditto.
4586 (tree_ssa_loop_ivcanon): Ditto.
4587 (tree_ssa_empty_loop): Ditto.
4588 (tree_ssa_loop_bounds): Ditto.
4589 (tree_complete_unroll): Ditto.
4590 (tree_ssa_loop_prefetch): Ditto.
4591 (tree_ssa_loop_ivopts): Ditto.
4592 (tree_ssa_loop_done): Ditto.
4593 * gcc/predict.c (tree_estimate_probability): Ditto.
4594 * gcc/recog.c (split_all_insns_noflow): Ditto.
4595 (rest_of_handle_peephole2): Ditto.
4596 (rest_of_handle_split_all_insns): Ditto.
4597 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4598 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4599 (rest_of_handle_stack_adjustments): Ditto.
4600 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4601 * gcc/function.c (instantiate_virtual_regs): Ditto.
4602 (init_function_for_compilation): Ditto.
4603 (rest_of_handle_check_leaf_regs): Ditto.
4604 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4605 (rest_of_handle_gcse): Ditto.
4606 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4607 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4608 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4609 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4610 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4611 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4612 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4613 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4614 * gcc/except.c (set_nothrow_function_flags): Ditto.
4615 (convert_to_eh_region_ranges): Ditto.
4616 (rest_of_handle_eh): Ditto.
4617 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4618 (remove_unnecessary_notes): Ditto.
4619 * gcc/except.h (set_nothrow_function_flags): Ditto.
4620 (convert_to_eh_region_ranges): Ditto.
4621 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4622 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4623 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4624 (execute_fre): Ditto.
4625 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4626 (rest_of_handle_jump2): Ditto.
4627 * gcc/tree-sra.c (tree_sra): Ditto.
4628 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4629 (execute_mudflap_function_decls): Ditto.
4630 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4631 (do_store_copy_prop): Ditto.
4632 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4633 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4634 * gcc/tree-ssa-forwprop.c
4635 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4636 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4637 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4638 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4639 (execute_late_warn_uninitialized): Ditto.
4640 * gcc/rtl.h (cleanup_barriers): Ditto.
4641 (split_all_insns_noflow): Ditto.
4642 (purge_line_number_notes): Ditto.
4643 (unshare_all_rtl): Ditto.
4644 (remove_unnecessary_notes): Ditto.
4645 (recompute_reg_usage): Ditto.
4646 (variable_tracking_main): Ditto.
4647 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4648 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4649 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4650 (execute_free_cfg_annotations): Ditto.
4651 (execute_fixup_cfg): Ditto.
4652 (execute_cleanup_cfg_pre_ipa): Ditto.
4653 (execute_cleanup_cfg_post_optimizing): Ditto.
4654 (execute_init_datastructures): Ditto.
4655 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4656 * gcc/combine.c (rest_of_handle_combine): Ditto.
4657 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4658 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4659 (rest_of_handle_reorder_blocks): Ditto.
4660 (rest_of_handle_partition_blocks): Ditto.
4661 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4662 * gcc/tree-profile.c (tree_profiling): Ditto.
4663 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4664 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4665 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4666 (rest_of_handle_sched2): Ditto.
4667 * gcc/basic-block.h (free_bb_insn): Ditto.
4668 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4669 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4670 (remove_useless_stmts): Ditto.
4671 (split_critical_edges): Ditto.
4672 (execute_warn_function_return): Ditto.
4673 (execute_warn_function_noreturn): Ditto.
4674 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4675 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4676 * gcc/passes.c (execute_one_pass): Run additional
4677 todos returned by execute function.
4678 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4681 2006-03-02 Richard Guenther <rguenther@suse.de>
4683 * tree-ssa-alias.c (find_used_portions): Consider taking
4684 the address as making the variable not write-only.
4686 2006-03-02 Nick Clifton <nickc@redhat.com>
4688 * config.gcc (default_use_cxa_atexit): Extend the description of
4689 this configure variable. Set its default value to "yes" for
4690 Linux, NetBSD and ELF targets on the assumption that they will
4691 use C libraries with the __cxa_atexit function.
4693 2006-03-02 Ben Elliston <bje@au.ibm.com>
4695 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4696 parameter as unused to suppress a build warning.
4698 2006-03-02 Ben Elliston <bje@au.ibm.com>
4700 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4703 2006-03-01 Roger Sayle <roger@eyesopen.com>
4706 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4707 declared name, the weak reference name, and the typeof name.
4708 (__gthrw): Avoid expanding the declared name suffix.
4709 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4711 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4713 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4715 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4716 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4717 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4718 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4719 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4720 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4721 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4722 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4723 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4724 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4725 (DW_END_default, DW_END_big, DW_END_little): New.
4726 (DW_END_lo_user, DW_END_hi_user): Define.
4727 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4728 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4729 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4732 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4734 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4736 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4738 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4740 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4742 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4743 to 'symbol_mem_tag'.
4745 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4748 2006-03-01 Roger Sayle <roger@eyesopen.com>
4750 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4752 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4755 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4756 MACHO_DYNAMIC_NO_PIC_P.
4757 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4759 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4762 * config/darwin-protos.h (darwin_asm_output_anchor):
4764 * config/darwin-sections.def (cstring_section):
4765 Add SECTION_MERGE to the flags.
4766 (literal4_section): Likewise.
4767 (literal8_section): Likewise.
4768 (objc_selector_refs_section): Likewise.
4769 (objc_cls_refs_section): Likewise.
4770 * config/darwin.c (darwin_asm_output_anchor): New
4772 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4774 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4776 Fix PR tree-optimization/26443
4777 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4778 to todo and PROP_tmt_usage to properties_destroyed.
4779 * tree-ssa-ccp.c (pass_ccp): Ditto.
4780 (pass_store_ccp): Ditto.
4781 * tree-ssa-dom.c (pass_dominator): Ditto.
4783 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4785 * tree-ssa-operands.c: Cleanup whitespace.
4786 (get_asm_expr_operands): Move before first invocation.
4787 (get_indirect_ref_operands): Likewise.
4788 (get_tmr_operands): Likewise.
4789 (get_call_expr_operands): Likewise.
4790 (append_def): Likewise.
4791 (append_use): Likewise.
4792 (append_v_may_def): Likewise.
4793 (append_v_must_def): Likewise.
4794 (add_call_clobber_ops): Likewise.
4795 (add_call_read_ops): Likewise.
4796 (add_stmt_operand): Likewise.
4797 (add_virtual_operand): Likewise.
4798 (build_ssa_operands): Likewise.
4800 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4805 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4806 with a call expr to ...
4807 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4809 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4811 * tree-vrp.c (extract_range_from_assert): Remove special
4812 handling for types with super-types.
4814 2006-03-01 Ben Elliston <bje@au.ibm.com>
4816 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4817 and powerpc64-*-linux* configurations.
4818 * config/t-dfprules: New file.
4820 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4821 Compile dfp-bit.c from the source directory using -DWIDTH and
4822 $DFP_CFLAGS to control the compilation of that file, rather than
4823 generating width-specific versions in the build directory.
4824 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4825 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4827 2006-02-28 Zack Weinberg <zackw@panix.com>
4829 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4832 2006-02-28 Eric Christopher <echristo@apple.com>
4834 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4835 Set up IN_LIBGCC definition of TARGET_64BIT.
4836 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4838 2006-02-28 Roger Sayle <roger@eyesopen.com>
4841 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4842 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4843 cases via the construction of "expr != 0".
4845 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4847 * alias.c (alias_invariant, alias_invariant_size): Remove.
4848 (record_base_value): Remove.
4849 (memrefs_conflict_p): Don't look at alias_invariant.
4850 (end_alias_analysis): Don't free it.
4851 * alias.h (record_base_value): Remove prototype.
4853 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4854 Adam Nemet <anemet@caviumnetworks.com>
4856 * rtl.h (truncated_to_mode): Declare it.
4857 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4858 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4859 (RTL_HOOKS_INITIALIZER): Include it.
4860 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4861 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4862 reg_truncated_to_mode.
4863 * rtlanal.c (truncated_to_mode): Define it.
4864 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4866 2006-02-28 Jeff Law <law@redhat.com>
4868 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4869 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4870 the range allowed by TYPE_PRECISION.
4872 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4874 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4876 PR tree-optimization/26419
4877 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4880 2006-02-27 Zack Weinberg <zackw@panix.com>
4882 * doc/md.texi: Fix typo in previous change.
4884 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4888 2006-02-27 Zack Weinberg <zackw@panix.com>
4890 * rtl.def (define_constraint, define_register_constraint)
4891 (define_memory_constraint, define_address_constraint): New MD forms.
4892 * gensupport.c (process_rtx): Put define_constraint etc on the
4894 * genpreds.c (process_define_predicate): Adjust comment. Validate
4895 the name, and call validate_exp to validate the expression.
4896 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4897 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4898 all callers changed.
4899 (validate_exp, needs_variable, struct constraint_data)
4900 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4901 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4902 (const_dbl_constraints, constraint_max_namelen)
4903 (have_register_constraints, have_memory_constraints)
4904 (have_address_constraints, have_address_constraints)
4905 (have_extra_constraints, have_const_int_constraints)
4906 (have_const_dbl_constraints, mangle, add_constraint)
4907 (process_define_constraint, process_define_register_constraint)
4908 (write_enum_constraint_num, write_lookup_constraint)
4909 (write_insn_constraint_len, write_regclass_for_constraint)
4910 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4911 (write_insn_extra_memory_constraint)
4912 (write_insn_extra_address_constraint)
4913 (write_satisfies_constraint_fns): New.
4914 (write_tm_preds_h): If we have new-style constraint definitions,
4915 prototype the functions generated from them, and define the
4916 old constraint interface (still used by generic code) in terms of
4918 (write_insn_preds_c): If we have new-style constraint definitions,
4919 generate all relevant functions from those definitions.
4920 (main): Handle define_constraint etc.
4921 * genoutput.c (struct constraint_data, indep_constraints)
4922 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4923 (mdep_constraint_len): New data structures and functions, defined
4924 #ifdef USE_MD_CONSTRAINTS.
4925 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4926 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4927 use new logic to validate operand constraints against constraint
4929 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4931 * defaults.h: If none of the old-style constraint macros are
4932 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4933 old-style macros; and poison REG_CLASS_FROM_LETTER,
4934 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4936 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4937 * doc/md.texi: Document new constraint-definition mechanism and the
4938 C interface it provides. Remove references to old mechanism
4939 elsewhere in the document.
4940 (Machine Constraints): Use pathnames relative to gcc directory,
4941 i.e. config/ARCH/FILE. Change i386 section to refer to
4942 config/i386/predicates.md; update that section to match docstrings.
4943 * doc/tm.texi: Move all documentation of the old constraint-
4944 definition macros to their own section, clearly mark as obsolete.
4946 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4947 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4949 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4950 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4951 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4953 (splits and peepholes): Use satisfies_constraint_*.
4954 * config/i386/i386.c (memory_address_length)
4955 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4957 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4959 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4960 scalar operation to be put back into the loop.
4962 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4965 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4966 (extract_cie_info): Handle S flag in augmentation string.
4967 (execute_cfa_program): If context->signal_frame, execute also
4968 fs->pc == context->ra instructions.
4969 (uw_frame_state_for): If context->signal_frame, don't subtract one
4970 from context->ra to find FDE.
4971 (uw_update_context_1): Set context->signal_frame to
4973 (_Unwind_GetIPInfo): New function.
4974 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4975 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4977 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4978 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4979 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4980 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4981 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4982 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4983 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4984 x86_64_fallback_frame_state): Set fs->signal_frame.
4985 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4986 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4987 (frob_update_context): Likewise. Workaround missing S flag in
4988 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4989 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4990 Remove the psw_addr + 1 hack.
4992 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4994 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4995 with aggregates here.
4996 (find_func_aliases): Remove code for &<aggregate> from here.
4998 2006-02-26 Roger Sayle <roger@eyesopen.com>
5000 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5001 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5002 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5005 2006-02-26 Roger Sayle <roger@eyesopen.com>
5008 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5010 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5012 * opts.c (decode_options): Do not handle flag_strength_reduce.
5013 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5014 and OPT_fstrength_reduce.
5015 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5016 flag_prefetch_loop_arrays for being nonzero.
5017 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5019 (fprefetch-loop-arrays-rtl): Removed.
5020 (flag_prefetch_loop_arrays): Do not specify the value.
5022 * doc/passes.texi: Update documentation of loop optimizer
5024 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5025 -frerun-loop-opt): Remove.
5027 2006-02-26 Richard Guenther <rguenther@suse.de>
5029 PR tree-optimization/26421
5030 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5031 in function calls that are ADDR_EXPRs as using the whole structure.
5033 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5035 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5036 * tree-pass.h (pass_loop_optimize): Remove.
5037 * passes.c (pass_loop_optimize): Never run it.
5038 * toplev.c (backend_init): Don't call init_loop.
5039 * opts.c (flag_loop_optimize_set): Remove.
5040 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5041 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5042 the old RTL loop optimizer when profiling enabled.
5043 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5044 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5045 pre-headers for the sake of the old RTL loop optimizer.
5046 * Makefile.in: Remove all references to loop.o.
5048 * doc/invoke.texi: Remove all references to -floop-optimize
5049 and -frerun-loop-opt.
5051 2006-02-26 Zack Weinberg <zackw@panix.com>
5053 * doc/md.texi (Machine Constraints): Refer to all files with paths
5054 relative to gcc directory (i.e. config/CPU/file). Add missing
5055 @table @code ... @end table to M32C subsection.
5057 2006-02-26 Roger Sayle <roger@eyesopen.com>
5059 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5061 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5063 2006-02-26 Roger Sayle <roger@eyesopen.com>
5064 James A. Morrison <phython@gcc.gnu.org>
5067 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5068 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5069 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5070 signedness of the shift operation.
5072 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5074 PR tree-optimization/26359
5075 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5077 2006-02-25 Roger Sayle <roger@eyesopen.com>
5079 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5080 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5081 as X == 0, and some symmetry related transformations.
5082 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5084 2006-02-25 Roger Sayle <roger@eyesopen.com>
5087 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5088 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5089 symmetry related transformations. Fold (X^C1) == C2 as
5092 2006-02-25 Juergen Weigert <jw@suse.de>
5093 Richard Guenther <rguenther@suse.de>
5095 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5097 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5099 * combine.c (gen_lowpart_or_truncate): Call
5100 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5102 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5104 * doc/invoke.texi: Move -fopenmp description to "Options for
5106 Remove reference to -lgomp.
5108 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5110 * doc/install.texi: Require GNU tar version 1.14.
5112 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5114 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5115 * doc/invoke.texi (C++ Dialect Options): Document
5116 -fno-use-cxa-get-exception-ptr.
5117 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5118 * configure: Regenerate.
5119 * c.opt (fuse-cxa-get-exception-ptr): New.
5120 * c-opts.c (c_common_handle_option): Handle
5121 OPT_fuse_cxa_get_exception_ptr.
5122 * c-common.c (flag_use_cxa_atexit): Update documentation.
5123 (flag_use_cxa_get_exception_ptr): New.
5124 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5125 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5127 (C_COMMON_OVERRIDE_OPTIONS): New.
5129 2006-02-24 Roger Sayle <roger@eyesopen.com>
5132 * combine.c (try_combine): Explicitly check whether GET_CODE is
5133 a SET or a CLOBBER, instead on checking that it isn't a USE.
5135 2006-02-24 Roger Sayle <roger@eyesopen.com>
5137 * fold-const.c (fold_comparison): New subroutine of fold_binary
5138 containing transformations common to both the equality and
5139 ordering relational operators, factored out of fold_binary.
5140 (fold_binary): Separate out the equality operators (EQ_EXPR
5141 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5142 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5143 transformations common to both.
5144 (fold_div_compare): Fix latent bugs in the previously unreachable
5145 LT_EXPR and GE_EXPR cases.
5147 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5149 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5150 decl libname for clog to __clog on AIX.
5152 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5154 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5157 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5158 output traceback table for thunks. Localise rs6000_stack_info call.
5160 2006-02-23 Roger Sayle <roger@eyesopen.com>
5161 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5163 * gthr-posix.h (__gthrw): Fix typo in comment.
5165 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5167 * doc/cpp.texi (Character sets): Document that we do support
5168 input files to be in any character set.
5170 2006-02-23 Jeff Law <law@redhat.com>
5172 * tree.h (PHI_ARG_NONZERO): Remove.
5173 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5174 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5175 node to the new node.
5177 PR tree-optimization/26425
5178 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5179 min/max, then assume its varying.
5181 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5183 PR rtl-optimization/26316
5184 * rtlanal.c (enum may_trap_p_flags): New.
5185 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5186 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5187 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5188 (may_trap_after_code_motion_p): New function.
5189 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5190 (find_invariant_insn): Use may_trap_after_code_motion_p.
5191 * rtl.h (may_trap_after_code_motion_p): Declare.
5193 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5195 * emit-rtl.c (immed_double_const): Cleanup.
5197 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5199 Fix PR tree-optimization/26376
5200 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5203 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5206 * gimplify.c (omp_add_variable): Guard variable size decl test with
5207 DECL_SIZE (decl) check.
5209 2006-02-23 Richard Guenther <rguenther@suse.de>
5212 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5213 like aggregate types.
5215 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5217 * configure.ac: Add --with{,out}-long-double-128 configure option.
5218 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5219 * configure: Rebuilt.
5220 * config.in: Rebuilt.
5221 * doc/install.texi (Options specification): Document
5222 --with-long-double-128.
5224 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5225 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5226 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5227 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5229 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5231 * config/s390/s390.c (override_options): Handle
5232 TARGET_DEFAULT_LONG_DOUBLE_128.
5234 * config/alpha/alpha.c (override_options): Handle
5235 TARGET_DEFAULT_LONG_DOUBLE_128.
5237 * config/sparc/sparc.c (sparc_override_options): Handle
5238 TARGET_DEFAULT_LONG_DOUBLE_128.
5240 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5242 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5243 (real-install-headers-tar, real-install-headers-cpio)
5244 (real-install-headers-cp): New targets.
5246 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5248 * tree.h (variable_section): Delete.
5249 * varasm.c (variable_section): Delete.
5251 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5253 * install.texi: Add notes on install.texi2html.
5254 (Building in parallel): Do not use footnotes.
5256 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5259 * doc/install.texi (Configuration): Document --disable-libgomp.
5261 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5263 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5265 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5267 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5268 (vec_extractv2df_0_sse): New.
5270 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5272 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5273 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5274 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5275 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5276 to the result of the expression.
5277 (def_cfa_1): Adjust.
5278 (frame_pointer_cfa_offset): Rename to...
5279 (frame_pointer_fb_offset): ... this. Adjust all uses.
5280 (convert_cfa_to_loc_list): Rename to...
5281 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5282 Pass it on to build_cfa_loc.
5283 (compute_frame_pointer_to_cfa_displacement): Rename to...
5284 (compute_frame_pointer_to_fb_displacement): ... this. New
5285 offset parameter. Use it in computation.
5286 (gen_subprogram_die): Compute cfa_fb_offset with the new
5287 macro, and use it to compute the fb loc list and the
5290 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5292 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5293 replaced with register_operand.
5294 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5295 non-DREG is expensive.
5296 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5297 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5300 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5302 * doc/install.texi2html: Use set -e.
5304 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5306 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5307 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5308 * doc/invoke.texi (-fshared-data): Delete.
5309 * common.opt (fshared-data): Delete.
5310 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5311 (assemble_static_space): Remove #if 0 code.
5312 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5313 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5314 * config/cris/cris.h: Remove FIXME.
5316 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5318 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5321 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5324 * combine.c (simplify_shift_const_1): Disable nested shifts
5325 optimization for vector shifts.
5327 2006-02-20 Roger Sayle <roger@eyesopen.com>
5329 PR tree-optimization/26361
5330 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5331 of unsigned integer types.
5333 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5335 * tree-chrec.c (eq_evolutions_p): New.
5336 * tree-chrec.h (eq_evolutions_p): Declared.
5337 * tree-data-ref.c: Fix formatting.
5338 (datadep_stats, dependence_stats): New.
5340 (print_direction_vector): New.
5341 (dump_data_dependence_relation): Use print_direction_vector.
5342 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5343 (compute_subscript_distance): Static.
5344 (initialize_data_dependence_relation): Static. Get the number
5345 of loops surrounding the references from the callers, and initialize
5346 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5347 base_object_differ_p analyzers.
5348 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5349 compute_overlap_steps_for_affine_1_2,
5350 analyze_subscript_affine_affine): Count the classified dependences.
5351 Print a message when a test failed.
5352 (can_use_analyze_subscript_affine_affine): New.
5353 (analyze_siv_subscript): Compute the data dependences on symbolic
5354 scevs that verify can_use_analyze_subscript_affine_affine.
5355 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5356 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5357 Handle symbolic scevs.
5358 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5360 (subscript_dependence_tester): Moved...
5361 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5362 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5363 DDR_SIZE_VECT instead of getting it in parameter.
5364 (subscript_dependence_tester): ... here. Take as a parameter
5365 loop_nest_depth. Call build_classic_dist_vector and
5366 build_classic_dir_vector.
5367 (compute_affine_dependence): Update subscript_dependence_tester
5368 parameters. Update datadep_stats counters. Call
5369 compute_subscript_distance.
5370 (compute_self_dependence): Save the dist and dir vectors. Call
5371 compute_subscript_distance.
5372 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5373 (compute_all_dependences): Reorder parameters as they were before
5374 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5375 compute_subscript_distance. Update the use of
5376 compute_affine_dependence and initialize_data_dependence_relation.
5377 (find_data_references_in_loop): Handle COMPONENT_REF.
5378 (compute_data_dependences_for_loop): Initialize dependence_stats.
5379 Don't call build_classic_dist_vector and build_classic_dir_vector.
5380 Update the parameters of initialize_data_dependence_relation and
5381 compute_all_dependences. Print the statistics from datadep_stats.
5382 (analyze_all_data_dependences): Static. Not used until the pass for
5383 checking the data dependences is contributed.
5384 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5385 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5386 (initialize_data_dependence_relation, compute_affine_dependence,
5387 analyze_all_data_dependences, compute_subscript_distance): Removed.
5388 (print_direction_vector): New.
5389 * lambda.h (gcd): ... here.
5390 (lambda_vector_gcd): Moved here from gcd_vector.
5391 * lambda-code.c (gcd, gcd_vector): Removed.
5392 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5393 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5395 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5397 * ipa-type-escape.c: Tidy some comments and white space.
5398 * tree-ssa-operands.c: Likewise.
5400 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5403 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5404 (dump_decl_name): Do not walk the decl tree chains.
5405 * tree-pass.h (TDF_CHAIN): Remove.
5407 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5409 * Makefile.in (C): Remove
5411 (.PHONY): Remove C and PROTO
5413 2006-02-20 Roger Sayle <roger@eyesopen.com>
5416 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5417 deprecated CHAR_TYPE tree code.
5419 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5421 * configure.ac (target_list): Add install-info, dvi, html.
5422 * configure: Regenerate.
5424 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5425 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5426 treelang/Make-lang.in: Do not use double-colon rules.
5428 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5430 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5431 (TMT_USED_ALONE): New macro.
5432 * tree-pass.h (PROP_tmt_usage): New property.
5433 (TODO_update_tmt_usage): New todo.
5434 * tree-ssa-alias.c (updating_used_alone): New variable.
5435 (recalculate_used_alone): New function.
5436 (compute_may_aliases): Set updating_used_alone, call
5437 recalculate_used_alone.
5438 * tree-sra.c (pass_sra): Note that this pass destroys
5439 PROP_tmt_usage, and add TODO_update_tmt_usage.
5440 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5441 * tree-flow.h (updating_used_alone): Prototype.
5442 (recalculate_used_alone): Ditto.
5443 * passes.c (execute_todo): Add code to set updating_used_alone,
5444 and call recalculate.
5445 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5446 for clobber if used alone, and add assert to verify used_alone
5449 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5451 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5452 for non tls symbols added.
5453 (legitimize_address): Do nothing for PLUS expressions if one of the
5454 addends is a tls symbol reference.
5456 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5460 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5462 * Makefile.in (BOOTSTRAPPING): New.
5463 (quickstrap): New definition if BOOTSTRAPPING=yes.
5465 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5466 * configure.ac: Substitute all_selected_languages with the languages
5467 that were configured. For all the other variables except
5468 lang_specs_files, include all the languages in the tree.
5469 * configure: Regenerate.
5471 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5472 if there is one. Run the commands to run fixincludes in the same
5475 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5476 * doc/install.texi: Document exact conventions for searching target tools.
5477 Document --with-build-time-tools. Document toplevel bootstrap. Document
5478 something more about building an Ada cross-compiler. Don't list GNU Make
5479 requirements which affect all platforms.
5481 2006-02-19 Roger Sayle <roger@eyesopen.com>
5484 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5485 only equivalent if the have both the same mode and precision.
5487 2006-02-20 Ben Elliston <bje@au.ibm.com>
5489 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5491 2006-02-19 Roger Sayle <roger@eyesopen.com>
5492 Steven Bosscher <stevenb.gcc@gmail.com>
5494 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5495 constant pool references to identify stack mode constants.
5496 * rtlanal.c (constant_pool_constant_p): New predicate to check
5497 whether operand is a floating point constant in the pool.
5498 * rtl.h (constant_pool_constant_p): Prototype here.
5499 * loop.c (scan_loop): Avoid hoisting constants from the constant
5500 pool on STACK_REGS targets.
5501 (load_mems): Likewise.
5502 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5503 loads into x87 registers expensive in terms of register pressure.
5505 2006-02-19 Roger Sayle <roger@eyesopen.com>
5507 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5508 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5510 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5512 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5513 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5515 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5517 * doc/invoke.texi: Document -fipa-pta.
5518 * common.opt: Add ipa-pta option.
5519 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5520 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5521 (do_ds_constraint): Ditto.
5522 (get_constraint_for): Only add to referenced_vars if
5523 referenced_vars exists.
5524 (insert_into_field_list): Rewrite to do this unsorted.
5525 (insert_into_field_list_sorted): Rename old insert_into_field_list
5527 (create_function_info_for): Use insert_into_field_list_sorted.
5528 (create_variable_info_for): Rewrite so it uses unsorted version,
5529 since the field list is sorted.
5530 (intra_create_variable_infos): Only add to referenced_vars if
5531 referenced_vars exists.
5532 (ipa_pta_execute): Init heapvars, and delete when done.
5533 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5535 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5537 * doc/install.texi: Add missing `@samp'.
5539 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5541 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5544 2006-02-18 Mark Wielaard <mark@klomp.org>
5546 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5547 who added new 4.1 features, bug fixes and integration support.
5549 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5552 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5555 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5557 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5558 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5559 (copy_insn_1): Likewise. Don't copy each field individually.
5561 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5563 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5564 * rtl.c (rtx_size): Rename variable to...
5565 (rtx_code_size): ...this.
5566 (rtx_size): New function.
5567 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5568 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5570 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5571 * rtl.h (rtx_code_size): New variable.
5572 (rtx_size): Change from a variable to a function.
5573 (RTX_SIZE): Rename to...
5574 (RTX_CODE_SIZE): ...this.
5577 PR tree-optimization/17106
5578 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5579 (Anchored Addresses): New section.
5580 * doc/invoke.texi (-fsection-anchors): Document.
5581 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5582 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5583 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5584 * hooks.c (hook_bool_mode_rtx_false): New function.
5585 * hooks.h (hook_bool_mode_rtx_false): Declare.
5586 * gengtype.c (create_optional_field): New function.
5587 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5588 SYMBOL_REF_IN_BLOCK_P is true.
5589 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5590 (min_anchor_offset, max_anchor_offset): Likewise.
5591 (use_anchors_for_symbol_p): New hook.
5592 * toplev.c (compile_file): Call output_object_blocks.
5593 (target_supports_section_anchors_p): New function.
5594 (process_options): Check that -fsection-anchors is only used on
5595 targets that support it and when -funit-at-a-time is in effect.
5596 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5597 if the decl doesn't have one.
5598 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5599 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5600 of force_const_mem through use_anchored_address.
5601 (expand_expr_constant): New function.
5602 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5603 calling expand_expr for INDIRECT_REF.
5604 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5605 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5606 * expr.h (use_anchored_address): Declare.
5607 * loop-unroll.c: Don't declare rtx vectors here.
5608 * explow.c: Include output.h.
5609 (validize_mem): Call use_anchored_address.
5610 (use_anchored_address): New function.
5611 * common.opt (-fsection-anchors): New switch.
5612 * varasm.c (object_block_htab, anchor_labelno): New variables.
5613 (hash_section, object_block_entry_eq, object_block_entry_hash)
5614 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5615 (use_blocks_for_decl_p, change_symbol_section): New functions.
5616 (get_variable_section): New function, split out from assemble_variable.
5617 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5618 use_blocks_for_decl_p say so. Use change_symbol_section if the
5619 symbol has already been created.
5620 (assemble_variable_contents): New function, split out from...
5621 (assemble_variable): ...here. Don't output any code for
5622 block symbols; just pass them to place_block_symbol.
5623 Use get_variable_section and assemble_variable_contents.
5624 (get_constant_alignment, get_constant_section, get_constant_size): New
5625 functions, split from output_constant_def_contents.
5626 (build_constant_desc): Create a block symbol if use_object_blocks_p
5627 says so. Or into SYMBOL_REF_FLAGS.
5628 (assemble_constant_contents): New function, split from...
5629 (output_constant_def_contents): ...here. Don't output any code
5630 for block symbols; just pass them to place_section_symbol.
5631 Use get_constant_section and get_constant_alignment.
5632 (force_const_mem): Create a block symbol if use_object_blocks_p and
5633 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5634 (output_constant_pool_1): Add an explicit alignment argument.
5635 Don't switch sections here.
5636 (output_constant_pool): Adjust call to output_constant_pool_1.
5637 Switch sections here instead. Don't output anything for block symbols;
5638 just pass them to place_block_symbol.
5639 (init_varasm_once): Initialize object_block_htab.
5640 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5641 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5642 (place_block_symbol, get_section_anchor, output_object_block)
5643 (output_object_block_htab, output_object_blocks): New functions.
5644 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5645 (TARGET_ASM_OUT): Include it.
5646 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5647 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5648 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5649 (TARGET_INITIALIZER): Include them.
5650 * rtl.c (rtl_check_failed_block_symbol): New function.
5651 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5652 (block_symbol, object_block): New structures.
5653 (rtx_def): Add a block_symbol field to the union.
5654 (BLOCK_SYMBOL_CHECK): New macro.
5655 (rtl_check_failed_block_symbol): Declare.
5656 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5657 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5658 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5659 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5660 * output.h (output_section_symbols): Declare.
5661 (object_block): Name structure.
5662 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5663 (default_use_anchors_for_symbol_p): Declare.
5664 * Makefile.in (RTL_BASE_H): Add vec.h.
5665 (explow.o): Depend on output.h.
5666 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5667 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5668 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5669 (rs6000_use_blocks_for_constant_p): New function.
5671 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5673 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5675 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5678 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5681 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5683 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5687 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5690 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5691 instead of DECL_REGISTER.
5693 2006-02-18 Olivier Hainque <hainque@adacore.com>
5696 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5698 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5701 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5702 * opth-gen.awk: Handle Var and InverseMask together.
5703 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5704 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5705 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5706 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5708 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5709 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5710 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5711 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5712 LINUX_DYNAMIC_LINKER): Define.
5713 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5714 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5716 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5717 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5718 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5719 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5720 (TARGET_C99_FUNCTIONS): Don't define.
5721 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5722 GLIBC_DYNAMIC_LINKER.
5723 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5724 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5725 GLIBC_DYNAMIC_LINKER64): Define.
5726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5727 LINUX_DYNAMIC_LINKER64.
5728 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5729 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5730 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5732 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5733 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5734 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5735 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5736 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5737 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5738 and LINUX_DYNAMIC_LINKER32.
5739 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5740 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5741 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5742 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5743 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5745 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5746 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5747 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5748 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5749 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5750 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5751 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5752 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5753 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5754 LINUX_DYNAMIC_LINKER): Define.
5755 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5756 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5757 GLIBC_DYNAMIC_LINKER64): Define.
5758 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5759 LINUX_DYNAMIC_LINKER64.
5760 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5761 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5762 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5763 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5764 LINUX_DYNAMIC_LINKER): Define.
5765 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5766 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5767 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5768 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5769 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5770 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5771 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5772 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5773 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5774 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5775 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5776 * doc/invoke.texi (-muclibc): Remove caveat about supported
5779 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5781 * doc/cpp.texi (__TIMESTAMP__): Document.
5783 2006-02-17 Roger Sayle <roger@eyesopen.com>
5786 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5787 C is one less than the width of X (and related transformations).
5788 * simplify-rtx.c (simplify_unary_operation_1): Transform
5789 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5790 depending on STORE_FLAG_VALUE, were C is one less then the
5793 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5795 Fix PR tree-optimization/26341
5796 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5797 about NAME_MEMORY_TAG's.
5799 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5802 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5803 with hardware float support, and software float support. Add fcpy
5804 alternative to hardware patterns. Add alternatives to copy between
5805 general and floating-point registers to the 32-bit pattern.
5806 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5807 secondary reload to load a QI or HI mode constant into a floating
5809 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5810 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5812 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5815 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5817 (load_macho_picbase_di): Likewise.
5819 2006-02-16 Jeff Law <law@redhat.com>
5821 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5822 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5823 (ssa_name_nonzero_p): Likewise.
5824 (get_value_range): Return NULL if VRP is not running.
5825 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5826 VRP routines do not discover a range.
5827 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5828 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5829 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5830 (tree_expr_nonnegative_p): Similarly.
5831 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5832 (restore_nonzero_vars_to_original_value): Remove.
5833 (unsafe_associative_fp_binop): Remove.
5834 (tree_ssa_dominator_optimize): Remove initialization and
5835 finalization of nonzero_vars and nonzero_vars_stack.
5836 (dom_opt_initialize_block): No longer push marker on
5838 (dom_opt_finalize_block): No longer call
5839 restore_nonzero_vars_to_original_value.
5840 (record_equivalences_from_phis): No longer look for
5841 nonzero PHI arguments.
5842 (cprop_into_successor_phis): No longer propagate nonzero
5843 property into PHI arguments. Lose unused argument. Caller
5845 (record_equivalences_from_stmt): No longer record nonzero
5846 values for SSA_NAMEs.
5847 (lookup_avail_expr): No longer use nonzero_vars.
5849 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5850 for sizetype when sizetype is unsigned.
5852 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5854 PR rtl-optimization/25603
5855 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5856 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5857 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5858 with new meaning of SETS.
5860 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5865 * config/linux.opt: New file.
5866 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5867 LINUX_DYNAMIC_LINKER): Define.
5868 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5869 * config.gcc (*-*-linux*): Define extra_options.
5870 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5871 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5872 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5873 GLIBC_DYNAMIC_LINKER.
5874 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5875 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5876 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5878 * doc/invoke.texi (GNU/Linux Options): New section.
5880 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5882 * config/sparc/sparc.md (setjmp): Rewrite.
5883 (setjmp_32): Delete.
5884 (setjmp_64): Likewise.
5886 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5888 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5891 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5893 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5896 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5898 PR rtl-optimization/26296
5899 * Makefile.in (loop-invariant.c): Add except.h dependency.
5900 * loop-invariant.c: Include except.h.
5901 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5903 2005-02-16 Paul Brook <paul@codesourcery.com>
5905 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5908 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5910 PR rtl-optimization/25636
5911 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5912 when deciding whether an insn is an initializing insn.
5914 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5916 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5917 (tree_code_size): Ditto.
5918 * tree.h (struct tree_memory_tag): Remove parent_var.
5919 (struct tree_struct_field_tag): New.
5922 (union tree_node): Add sft member.
5923 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5925 (create_sft): Add size and offset argument, set SFT_OFFSET and
5927 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5928 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5929 * tree-flow-inline.h (get_subvar_at): Update for
5930 SFT_OFFSET/SFT_SIZE.
5931 (var_can_have_subvars): Ditto.
5932 (overlap_subvar): Ditto.
5933 * print-tree.c (print_node): Print out interesting things for
5935 * tree-flow.h (struct subvar): Remove offset and size members.
5936 * tree-ssa-operands.c (get_expr_operands): Update for
5937 get_indirect_ref_operands changes.
5938 (get_indirect_ref_operands): Call add_virtual_operand instead of
5939 add_stmt_operand. Only recurse on base var if requested.
5940 (access_can_touch_variable): New function.
5941 (add_stmt_operand): Split virtual operand handling into ...
5942 (add_virtual_operand): Here. Add offset, size, and for_clobber
5943 arguments. Prune alias sets.
5944 (add_call_clobber_ops): Call add_virtual_operand.
5946 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5949 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5951 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5952 than TREE_CODE as index into omp_clause_num_ops array.
5954 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5956 PR rtl-optimization/26184
5957 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5959 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5960 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5961 must_precede, must_follow and tobe_scheduled.
5964 * opts.c (common_handle_option): Free new_option pointer.
5965 * df-core.c (df_analyze): Free postorder pointer.
5967 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5969 * Makefile.in: Fix the examples about the use of stamps
5971 2006-02-15 Michael Matz <matz@suse.de>
5975 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5976 influenced by maximum_field_alignment or DECL_PACKED.
5977 (update_alignment_for_field): Ditto.
5978 (place_field): Ditto.
5979 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5982 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5984 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5985 (debug_flow_info): Pass it.
5986 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5987 * bb-reorder.c (reorder_basic_blocks): Likewise.
5988 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5989 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5990 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5991 * gcse.c (gcse_main, bypass_jumps): Likewise.
5992 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5993 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5994 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5995 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5996 * rtl.h (dump_flow_info): Adjust prototype.
5997 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5998 * var-tracking.c (variable_tracking_main): Likewise.
5999 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6000 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6003 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6005 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6008 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6010 PR tree-optimization/26209
6011 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6012 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6014 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6016 2006-02-14 Roger Sayle <roger@eyesopen.com>
6019 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6020 (X,Y) and the corresponding symmetry related transformations.
6021 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6022 (X,Y) and its symmetry related transformations.
6024 2006-02-14 Roger Sayle <roger@eyesopen.com>
6026 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6029 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6031 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6033 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6036 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6037 support COMDAT group.
6038 * configure: Regenerate.
6040 2006-02-14 Roger Sayle <roger@eyesopen.com>
6045 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6047 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6049 Fix PR tree-optimization/26260
6051 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6053 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6054 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6055 * tree-ssa-structalias.c (create_variable_info_for): Use
6056 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6058 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6060 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6062 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6063 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6064 of the ending condition.
6065 * tree-ssa-loop-manip.c: Include params.h.
6066 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6067 tree_unroll_loop): New functions.
6068 * tree-pass.h (pass_loop_prefetch): Declare.
6069 * loop.c (rest_of_handle_loop_optimize): Test for
6070 -fprefetch-loop-arrays-rtl.
6071 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6072 * timevar.def (TV_TREE_PREFETCH): New timevar.
6073 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6074 pass_loop_prefetch): New.
6075 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6076 (cleanup_tree_cfg_loop): Call scev_reset.
6077 * common.opt (fprefetch-loop-arrays-rtl): Add.
6078 * tree-ssa-loop-prefetch.c: New file.
6079 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6080 (new_temp_expr_table): Initialize expr_vars.
6081 (free_temp_expr_table): Cleanup expr_vars.
6082 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6083 expressions from being merged into one.
6084 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6085 (struct tree_niter_desc): Add control, bound and cmp fields.
6086 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6088 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6089 (tree-cfgcleanup.o): Add SCEV_H dependency.
6090 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6091 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6093 2006-02-14 Richard Guenther <rguenther@suse.de>
6095 PR tree-optimization/26258
6096 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6097 in PHI argument processing.
6099 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6101 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6102 new expression in the requested machine mode.
6104 2006-02-13 Roger Sayle <roger@eyesopen.com>
6106 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6107 directly, instead let do_compare_rtx_and_jump handle this for us.
6108 * expr.c (expand_expr_real_1): Likewise.
6109 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6110 before do_jump_by_parts_greater.
6111 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6112 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6114 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6116 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6118 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6120 PR rtl-optimization/26235
6121 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6122 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6125 2006-02-13 Jeff Law <law@redhat.com>
6127 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6130 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6133 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6134 twice if decl is a builtin. When trying again, call get_callee_fndecl
6135 first to verify it is still a builtin.
6137 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6139 * dwarf2out.c (base_type_die): Don't add AT_name here.
6140 (subrange_type_die): Don't add AT_name here.
6141 (modified_type_die): Rearrange code flow. Do add AT_name here.
6143 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6145 PR rtl-optimization/26247
6146 PR rtl-optimization/26248
6147 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6149 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6151 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6152 * config/fixtfdi.c: Likewise.
6153 * config/fixunstfdi.c: Likewise.
6154 * config/floatditf.c: Likewise.
6156 2006-02-13 Roger Sayle <roger@eyesopen.com>
6159 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6160 into (X,C2) if C1 is a subset of the bits of C2. Transform
6161 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6163 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6165 2006-02-13 Josh Conner <jconner@apple.com>
6168 * varasm.c (function_section): Check for section name before
6169 calling select_section on targets that define
6170 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6171 unlikely_text_section instead of hot_function_section if
6172 first_function_block_is_cold.
6174 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6177 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6179 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6181 PR rtl-optimization/26222
6182 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6183 after tree->rtl expansion.
6184 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6185 before passing it to emit_move_insn.
6187 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6189 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6191 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6192 Clarify documentation.
6193 * c-common.h (warn_write_strings): Remove.
6194 * c-common.c (warn_write_strings): Likewise.
6195 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6198 2006-02-12 Roger Sayle <roger@eyesopen.com>
6201 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6202 (do_jump_parts_zero_rtx): New function renamed from
6203 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6204 (do_jump_parts_equality_rtx): New function split out from
6205 do_jump_parts_equality. Old implementation renamed as above.
6206 Call do_jump_parts_zero_rtx if either operand is zero.
6207 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6208 do all of the heavy lifting.
6209 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6210 calling either do_jump_by_parts_greater_rtx or
6211 do_jump_by_parts_equality_rtx.
6212 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6213 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6214 moved to do_compare_rtx_and_jump, call it directly.
6215 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6216 mode argument. Call do_compare_rtx_and_jump.
6217 (emit_case_nodes): Update calls to do_jump_if_equal.
6219 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6221 PR rtl-optimization/26225
6222 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6224 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6226 PR rtl-optimization/26232
6227 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6229 2006-02-11 Jason Merrill <jason@redhat.com>
6232 * tree-inline.c (declare_return_variable): Just don't use the
6233 modify target if it's a gimple complex reg and the return slot
6236 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6238 * doc/contrib.texi: Update my entry.
6240 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6242 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6244 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6246 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6249 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6251 * doc/invoke.texi (-floop-optimize2): Removed.
6252 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6253 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6254 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6255 * common.opt (floop-optimize2): Removed.
6256 (fmove-loop-invariants): Enabled by default.
6258 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6260 * tree-if-conv.c (combine_blocks): Free the result of
6261 get_loop_exit_edges.
6263 2006-02-10 Jeff Law <law@redhat.com>
6265 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6267 PR tree-optimization/26213
6268 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6269 loop trying to follow SSA_NAME_VALUE chains.
6271 2006-02-10 Richard Guenther <rguenther@suse.de>
6273 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6274 deal with structures that end in implicitly variable sized arrays.
6276 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6278 PR rtl-optimization/24762
6279 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6282 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6284 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6285 (struct ivopts_data): Add regs_used field.
6286 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6287 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6288 instead of loop_data->regs_used;
6289 (free_loop_data): Do not free aux fields for loops.
6290 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6291 and tree_ssa_iv_optimize_finalize.
6293 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6295 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6297 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6300 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6301 computing the effective result type.
6303 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6306 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6307 (tree_overlaps_hard_reg_set): Declare.
6308 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6309 type and signature to match function type expected by walk_tree.
6310 (tree_overlaps_hard_reg_set): New function.
6311 (decl_conflicts_with_clobbers_p): Rename to:
6312 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6313 Use tree_overlaps_hard_reg_set. Changed caller.
6314 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6315 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6316 * cris.c (cris_md_asm_clobbers): Likewise.
6318 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6320 * reload1.c (emit_input_reload_insns): Delete code that tries to
6321 inherit using find_equiv_reg.
6323 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6325 * c-common.h (flag_const_strings): Don't declare.
6326 * c-common.c (flag_const_strings): Remove.
6327 * c.opt (fconst_strings): Remove.
6328 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6329 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6330 (c_common_init_options): Don't set flag_const_strings.
6331 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6333 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6335 * arm.md (tlobits_cbranch): New pattern.
6336 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6337 testing a single bit.
6339 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6342 * tree-ssa-pre.c (create_component_ref_by_pieces):
6343 Handle RETURN_DECL like VAR_DECL.
6345 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6348 * fold-const.c (fold_indirect_ref_1): Fold
6349 "*(foo *)&complexfoo" to "__real__ complexfoo"
6350 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6352 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6354 * tree-flow-inline.h (var_can_have_subvars):
6355 Volatile variables should not have subvariables.
6357 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6360 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6361 multiplying unsigned values.
6364 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6366 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6368 2006-02-08 Jason Merrill <jason@redhat.com>
6371 * tree.def: Elaborate on difference from MODIFY_EXPR.
6372 * doc/c-tree.texi (INIT_EXPR): Likewise.
6373 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6374 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6375 (gimplify_target_expr): Likewise.
6376 (gimplify_cond_expr): Remove target handling.
6377 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6378 (gimplify_expr): Clobber it here.
6379 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6380 Do return slot optimization if we have an INIT_EXPR.
6383 * tree-inline.c (declare_return_variable): Also clear
6384 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6387 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6390 * gimplify.c (gimplify_one_sizepos): Fix typo.
6392 2006-02-08 Jeff Law <law@redhat.com>
6394 PR tree-optimization/21417
6395 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6396 across a backedge if the control statement at the end of the
6397 block is data dependent on other statements in the same block.
6398 (record_temporary_equivalences_from_stmts): Remove over-conservative
6399 test for threading across backedges.
6401 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6402 control statement, handle all three special cases in the same
6403 manner as they all have the same desired solution. No longer
6404 special case edge flag updating when the post dominator is
6407 2006-02-08 Roger Sayle <roger@eyesopen.com>
6409 * tree.def (CHAR_TYPE): Remove.
6410 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6411 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6412 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6413 (gen_string_type_die): Delete unreachable function.
6415 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6416 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6417 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6418 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6419 * builtins.c (type_to_class): Likewise.
6420 * fold-const.c (fold_convert, build_range_check,
6421 merge_ranges): Likewise.
6422 * expr.c (count_type_elements): Likewise.
6423 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6424 * stor-layout.c (layout_type): Likewise.
6425 * ipa-type-escape.c (type_to_consider): Likewise.
6426 * gimplify.c (omp_firstprivatize_type_sizes,
6427 gimplify_type_sizes): Likewise.
6428 * explow.c (promote_mode): Likewise.
6429 * tree-sra.c (is_sra_scalar_type): Likewise.
6430 * varasm.c (output_constant): Likewise.
6431 * tree-inline.c (remap_type_1): Likewise.
6432 * convert.c (convert_to_pointer, convert_to_real,
6433 convert_to_integer, convert_to_complex): Likewise.
6435 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6437 * df-scan.c (df_def_record_1): A set destination may
6438 be a parallel regardless of mode.
6440 2006-02-08 Roger Sayle <roger@eyesopen.com>
6443 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6444 * config/mips/_tilib.c: Remove.
6445 * config/fixtfdi.c: New libgcc source file.
6446 * config/fixunstfdi.c: New source file.
6447 * config/floatditf.c: New source file.
6448 * config/floatunditf.c: New souce file.
6449 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6450 files above instead of config/mips/_tilib.c.
6451 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6453 2006-02-08 Jeff Law <law@redhat.com>
6455 PR tree-optimization/26169
6456 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6459 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6461 * df.h (DF_REG_SIZE): Return the length of the initialized
6464 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6466 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6467 __muldf3): Return a correctly signed zero.
6469 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6471 * passes.c (register_one_dump_file): Accept the current properties
6472 instead of pass number. Adjust call to dump_register. Remove
6474 (register_dump_files): Now a wrapper around...
6475 (register_dump_files_1): ... this one. Do not modify the pass
6477 (next_pass_1): Cosmetic fix.
6478 (execute_todo): Keep second parameter only. Use curr_properties
6479 instead of fetching it from the pass structure. Check and set
6481 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6482 instead of fetching it from the pass structure. Fix calls to
6483 execute_todo. Update curr_properties and initialize .vcg RTL dump
6484 after running the pass. Reset last_verified.
6485 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6487 (FIRST_AUTO_NUMBERED_DUMP): New.
6488 (dump_register): Remove "num" parameter, assign it within the
6490 (get_dump_file_name): Modify template for dumps.
6491 * tree-dump.h (dump_register): Adjust prototype.
6492 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6493 (PROP_trees): Add PROP_gimple_lomp.
6494 (TODO_set_props): New.
6495 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6496 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6497 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6499 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6501 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6502 (sparc64-*-linux*): Likewise.
6503 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6504 * config/sparc/t-linux: New file.
6505 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6506 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6507 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6508 -m32 -mlong-double-128.
6510 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6511 * config/alpha/t-linux: New file.
6512 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6514 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6515 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6516 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6517 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6518 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6519 (CPP_ARCH32_SPEC): Remove.
6521 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6523 PR tree-optimization/26145
6524 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6527 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6530 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6531 >= 240000 when generating code for SOM runtime.
6532 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6533 to $$dyncall when generating code for SOM runtime..
6535 2006-02-07 Dirk Mueller <dmueller@suse.com>
6538 * doc/invoke.texi (-Wsequence-point): Update documentation
6539 that -Wsequence-point is implemented for C++ as well.
6541 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6543 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6544 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6545 (LIB_SPEC): Likewise.
6546 * doc/invoke.texi (SPARC options): Document -pthread.
6548 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6550 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6553 2006-02-07 Roger Sayle <roger@eyesopen.com>
6555 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6556 Correct comment describing BOOLEAN_TYPE.
6558 2006-02-07 Dirk Mueller <dmueller@suse.com>
6560 * c.opt: C++ frontend supports -Wdiv-by-zero.
6561 * c-opts.c (c_common_handle_option): Remove dead case.
6563 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6565 * configure.ac (TLS assembler check): Do not enable TLS by
6566 default on SPARC/Solaris before version 10.
6567 * configure: Regenerate.
6569 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6571 * doc/invoke.texi (xl-compat): Document conversion and support
6574 2006-02-07 Jeff Law <law@redhat.com>
6576 * tree-vrp.c (find_conditional_asserts): Update comments.
6577 (simplify_stmt_for_jump_threading): New.
6578 (identify_jump_threads, finalize_jump_threads): New.
6579 (vrp_finalize): Call identify_jump_threads.
6580 (execute_vrp): Call finalize_jump_threads.
6581 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6582 (vrp_element, vrp_data, vrp_element_p): Remove.
6583 (vrp_hash_elt, vrp_variables_stack): Remove.
6584 (vrp_hash, vrp_eq, record_range): Remove.
6585 (simplify_cond_and_lookup_avail_expr): Remove.
6586 (extract_range_from_cond): Remove.
6587 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6588 (simplify_stmt_for_jump_threading): New.
6589 (dom_thread_across_edge): New wrapper.
6590 (tree_ssa_dominator_optimize): No longer initialize or
6591 finalize any of the VRP datastructures. Remove iteration
6592 step and simplify as a result of removal of iteration step.
6593 (pass_dominator): Perform a cfg cleanup after DOM.
6594 (dom_opt_finalize_block): Use the new common routines
6595 for threading jumps. Simplify stack management slightly.
6596 No longer need to unwind VRP state.
6597 (record_equivalences_from_incoming_edge): No longer record
6599 (eliminate_redundant_computations): No longer call
6600 simplify_cond_and_lookup_avail_expr.
6601 * tree-flow.h (potentially_threadable_block): Prototype.
6602 (thread_across_edge): Likewise.
6603 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6604 (tree-ssa-threadedge.o): Add dependencies.
6605 * tree-ssa-threadedge.c: New file.
6606 * passes.c (init_optimization_passes): Merge PHIs before
6607 calling VRP. Run VRP again late in the SSA optimization pipeline.
6609 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6611 * df-core.c (df_set_blocks): Do not dereference function pointers.
6612 (df_finish1): Likewise.
6613 (df_hybrid_search_forward): Likewise.
6614 (df_hybrid_search_backward): Likewise.
6615 (df_iterative_dataflow): Likewise.
6616 (df_analyze_problem): Likewise.
6617 (df_compact_blocks): Likewise.
6618 (df_dump): Likewise.
6619 * df-scan.c (df_rescan_blocks): Likewise.
6620 (df_record_entry_block_defs): Likewise.
6622 * genconditions.c (write_conditions): Guard the definition of
6623 'insn_conditions' with the check on GCC version.
6624 (write_writer): Guard the traversal 'insn_conditions' with
6625 the check on GCC version.
6627 2006-02-07 Richard Guenther <rguenther@suse.de>
6631 2006-01-30 Richard Guenther <rguenther@suse.de>
6633 * gimplify.c (gimplify_target_expr): Handle easy cases
6634 without creating a temporary.
6636 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6638 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6639 use of float in probability computations. Use edge probabilities
6640 in place of statically computed probabilities.
6641 (min_spec_prob): New static variable.
6642 (schedule_insns): Initialize it.
6643 (GET_SRC_PROB): Removed.
6644 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6646 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6649 * config/ia64/unwind-ia64.c: Revert last change.
6650 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6651 (INCOMING_FRAME_SP_OFFSET): Define.
6653 2006-02-06 Roger Sayle <roger@eyesopen.com>
6655 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6657 2006-02-07 Ben Elliston <bje@au.ibm.com>
6659 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6660 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6661 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6662 (ix86_return_in_memory): Handle TDmode.
6663 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6664 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6666 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6668 * reorg.c (dbr_schedule): Use dump_file instead of file.
6670 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6673 * config/ia64/predicates.md (extr_len_operand): New predicate.
6674 * config/ia64/ia64.md (extv): Tighten constraints.
6676 (*tbit_and_2): Ditto.
6677 (*tbit_and_3): Ditto.
6678 (*tbit_or_2): Ditto.
6679 (*tbit_or_3): Ditto.
6683 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6686 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6688 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6690 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6691 loop_optimizer_init and loop_optimizer_finalize
6692 * tree-ssa-sink.c (execute_sink_code): Ditto.
6693 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6694 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6695 tree_ssa_loop_done): Ditto.
6696 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6697 * sched-ebb.c: Include output.h.
6698 (schedule_ebbs): Do not use dump argument.
6699 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6700 * loop.c (loop_dump_stream): Removed.
6701 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6703 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6704 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6705 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6706 loop_iterations, strength_reduce, record_biv, record_giv,
6707 final_giv_value, check_final_value, check_ext_dependent_givs,
6708 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6709 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6710 dump_file instead of loop_dump_stream.
6711 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6713 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6715 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6716 * haifa-sched.c: Include output.h
6717 (schedule_insns, sched_init): Do not use dump argument.
6718 * mode-switching.c (optimize_mode_switching): Ditto.
6719 * modulo-sched.c (stats_file): Removed.
6720 (print_node_sched_params): Do not call argument dump_file.
6721 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6722 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6724 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6726 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6727 rtl_loop_init, rtl_loop_done): Ditto.
6728 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6729 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6731 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6732 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6733 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6734 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6735 * emit-rtl.c (renumber_insns): Ditto.
6736 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6737 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6738 * regclass.c (regclass): Ditto.
6739 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6740 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6741 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6742 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6744 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6745 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6747 * gcse.c (gcse_file, debug_stderr): Removed.
6748 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6749 rest_of_handle_gcse): Do not use dump argument.
6750 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6751 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6752 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6753 compute_code_hoist_vbeinout, compute_code_hoist_data,
6754 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6755 compute_store_table, build_store_vectors, insert_insn_start_bb,
6756 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6757 store_motion): Use dump_file instead of gcse_file.
6758 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6759 * profile.c (profile_dump_file): Removed.
6760 (branch_prob): Use dump_file instead of profile_dump_file.
6761 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6763 * tree-ssa-copy.c (dump_copy_of): Ditto.
6764 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6765 dump file to life_analysis.
6766 * bt-load.c (branch_target_load_optimize): Ditto.
6767 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6769 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6770 regclass, dbr_schedule): Declaration changed.
6771 * sched-int.h (sched_init): Declaration changed.
6772 * tree-profile.c (tree_profile_dump_file): Removed.
6773 (tree_profile_hooks): Removed profile_dump_file hook.
6774 * rtl-profile (rtl_profile_dump_file): Removed.
6775 (rtl_profile_hooks): emoved profile_dump_file hook.
6776 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6778 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6779 * tree-cfg.c (build_tree_cfg): Ditto.
6780 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6781 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6782 Declaration changed.
6783 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6784 life_analysis and schedule_insns.
6785 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6787 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6789 * config/mips/mips.c (mips_reorg): Ditto.
6790 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6793 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6795 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6796 (s390_mangle_fundamental_type): New.
6797 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6800 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6801 (alpha_mangle_fundamental_type): New.
6802 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6805 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6807 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6809 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6810 (sparc_mangle_fundamental_type): New.
6812 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6814 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6815 (s390x-*-linux*): Likewise.
6816 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6817 * config/s390/t-linux: New file.
6819 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6821 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6822 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6824 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6826 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6827 (ANTIC_SAFE_LOADS): New macro.
6828 (find_or_generate_expression): Add prototype.
6829 (set_contains_value): Allow null set for sake of not always having
6830 to allocate ANTIC_SAFE_LOADS.
6831 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6832 Allow COMPONENT_REF too.
6833 (valid_in_set): Allow COMPONENT_REF.
6834 Check ANTIC_SAFE_LOADS too.
6835 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6836 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6838 (can_PRE_operation): Add COMPONENT_REF.
6839 (create_component_ref_by_pieces): New function.
6840 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6841 (insert_aux): Move AGGREGATE_TYPE_P check here.
6842 (compute_avail): Set bb local stmt uids.
6843 (pass_pre): Use TODO_update_ssa_only_virtuals.
6845 2006-02-06 Ben Elliston <bje@au.ibm.com>
6847 * configure.ac: Unconditionally disable decimal float by default.
6848 * configure: Regenerate.
6850 2006-02-06 Ben Elliston <bje@au.ibm.com>
6852 * read-rtl.c (read_name): Terminate reading on EOF.
6854 2006-02-06 Ben Elliston <bje@au.ibm.com>
6856 * dfp.c (decimal_real_arithmetic): Change second argument type
6857 from int to enum tree_code. Do not always return true, but now
6858 return result of any call to decimal_do helper functions.
6859 * dfp.h (decimal_real_arithmetic): Update prototype.
6861 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6863 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6865 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6868 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6871 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6873 * tree-vrp.c (cfg_loops): Removed.
6874 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6875 Use current_loops instead of cfg_loops. Pass flags to
6876 loop_optimizer_init.
6877 * cfgloopmanip.c (fix_loop_structure): Update only available
6879 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6880 loop_optimizer_init.
6881 * modulo-sched.c (build_loops_structure): Removed.
6882 (sms_schedule): Use loop_optimizer_init.
6883 * loop-init.c (loop_optimizer_init): Use flags to determine
6884 which properties of loops to prepare.
6885 (rtl_loop_init): Pass flags to loop_optimizer_init.
6886 * tree-ssa-sink.c (execute_sink_code): Ditto.
6887 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6888 * tree-ssa-pre.c (init_pre): Ditto.
6889 * cfgloop.h (LOOPS_NORMAL): New.
6890 (loop_optimizer_init): Declaration changed.
6892 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6894 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6895 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6897 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6899 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6901 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6902 * pa/t-pa64: Delete quadlib.c rule.
6903 * pa/x-ada: Revert last change.
6904 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6906 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6908 PR rtl-optimization/26087
6909 * rtlanal.c (canonicalize_condition): Do not cross basic block
6912 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6915 * config/ia64/ia64.c: Include debug.h.
6916 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6917 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6918 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6919 (process_epilogue, process_set, process_for_unwind_directive):
6920 Output unwind info only if requested. Add CFA info if requested.
6921 Add new arguments as needed. Adjust callers.
6922 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6924 (DWARF2_FRAME_INFO): Define to zero.
6925 * config/ia64/unwind-ia64.c: Remove code that compensated for
6926 the CFA offset error fixed above.
6927 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6928 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6929 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6930 -funwind-tables and -fexceptions to enable frame info.
6931 (dwarf2out_frame_init): Define initial CFA even if
6932 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6933 DWARF2_UNWIND_INFO is nonzero, not just defined.
6934 (dwarf2out_frame_finish): Output non-EH call frame info only
6935 if DWARF2_FRAME_INFO is nonzero.
6936 (convert_cfa_to_loc_list,
6937 compute_frame_pointer_to_cfa_displacement): Define even if
6938 unwind info is not supported.
6939 (gen_subprogram_die): Use the above unconditionally. Remove
6940 legacy alternate code.
6941 * toplev.c (compile_file): Compile in call to
6942 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6943 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6945 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6946 Jakub Jelinek <jakub@redhat.com>
6948 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6949 IBM extended float format long double as "g" on powerpc*-linux.
6951 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6954 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6955 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6957 2006-02-03 Jason Merrill <jason@redhat.com>
6960 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6963 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6964 on the return slot if it's an NRV.
6966 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6968 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6969 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6970 rewrite_use): Do not handle USE_OUTER.
6971 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6972 add_iv_outer_candidates, may_replace_final_value,
6973 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6974 (find_interesting_uses_op): Functionality of
6975 find_interesting_uses_outer_or_nonlin moved here.
6976 (find_interesting_uses_outside): Use find_interesting_uses_op.
6978 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6981 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6983 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6984 Ulrich Weigand <uweigand@de.ibm.com>
6987 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6988 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6989 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6990 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6992 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6993 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6994 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6995 Define secondary reloads for TFmode moves.
6996 (constant_modes): Add TFmode.
6997 (NR_C_MODES): Set to 8.
6998 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7000 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7001 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7002 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7003 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7004 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7005 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7006 (FPR mode macro): Add TFmode.
7007 (DSF mode macro): New.
7008 (<de>, <dee> mode attributes): Removed.
7009 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7010 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7011 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7012 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7013 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7014 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7015 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7016 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7017 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7018 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7019 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7020 "*negabs<mode>2", "sqrt<mode>2"):
7021 Changed <de> to <xde>. R constraint replaced by <Rf>.
7022 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7024 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7025 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7026 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7028 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7029 "extenddftf2", "extendsftf2"): New expanders.
7030 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7031 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7032 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7033 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7035 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7036 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7037 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7038 __floatditf): Add a GCC_4.1.0 symbol version tag.
7039 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7042 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7045 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7046 Use targetm.binds_local_p instead of TREE_PUBLIC.
7048 2006-02-02 Roger Sayle <roger@eyesopen.com>
7050 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7051 on INTEGER_TYPEs to indicate that it denotes a character type.
7052 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7053 signed_char_type_node, unsigned_char_type_node and char_type_node.
7054 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7055 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7056 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7058 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7059 Daniel Berlin <dberlin@dberlin.org>
7061 * tree-tailcall.c (arg_needs_copy_p): New function.
7062 (eliminate_tail_call): Use arg_needs_copy_p.
7063 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7064 (add_virtual_phis): New function.
7066 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7068 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7069 #ignore instead of #scratch for %g7 .register directive.
7071 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7073 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7076 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7078 * flow.c (calculate_global_regs_live): Assert that there aren't any
7081 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7083 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7085 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7086 bsi_after_labels iterator.
7087 * tree-if-conv.c (find_phi_replacement_condition,
7088 replace_phi_with_cond_modify_expr): Likewise.
7089 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7090 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7092 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7094 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7096 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7099 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7100 array after growing it.
7102 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7105 * fold-const.c (fold_checksum_tree): Change type of buf.
7107 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7109 * reload.c (push_secondary_reload): Initialize t_icode.
7111 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7113 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7114 -msoft-float -mlong-double-128 only issue a warning, but don't
7115 swich to DFmode long double.
7117 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7119 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7120 has a constant equivalent, iterate over equivalents for arg0,
7121 calling simplify_relational_operation and if there's a result
7122 cheaper than X, apply fold_rtx and return the result.
7124 2006-02-01 Jan Hubicka <jh@suse.cz>
7126 * opts.c (no_unit_at_a_time_default): New global variable.
7127 (decode_options): Use it.
7128 * opts.h (no_unit_at_a_time_default): Declare.
7130 2006-02-01 Paul Brook <paul@codesourcery.com>
7132 * function.c (assign_parm_setup_reg): Use function argument promotion
7134 * expr.c (expand_expr_real_1): Use function argument promotion rules
7137 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7139 * gcc.c (process_command): Change j to 'unsigned int'.
7141 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7144 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7145 Use the corrected index for the character
7146 out of the string constant.
7148 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7150 * mode-switching.c (optimize_mode_switching): Fix size
7151 allocated for bb_info[n_entities].
7153 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7155 * gcc.c (main): Correct type that is allocated for
7156 explicit_link_files.
7158 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7160 * config/s390/s390.c (init_alignment_context): Set
7161 ALIAS_SET_MEMORY_BARRIER on the MEM.
7162 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7164 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7167 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7169 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7172 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7174 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7175 * regrename.c: Ditto.
7176 * tree-ssa-loop-im.c: Ditto.
7177 * tree-dump.c: Ditto.
7178 * tree-complex.c: Ditto.
7179 * genrecog.c: Ditto.
7180 * tree-ssa-threadupdate.c: Ditto.
7182 * java/class.c: Ditto.
7183 * java/jcf-parse.c: Ditto.
7184 * java/resource.c: Ditto.
7185 * java/except.c: Ditto.
7186 * java/jvspec.c: Ditto.
7187 * java/jcf-write.c: Ditto.
7188 * java/jcf-path.c: Ditto.
7189 * java/gjavah.c: Ditto.
7190 * java/zextract.c: Ditto.
7191 * java/jcf-io.c: Ditto.
7192 * java/jcf.h: Ditto.
7193 * java/buffer.c: Ditto.
7194 * java/lang.c: Ditto.
7195 * java/parse-scan.y: Ditto.
7196 * java/lex.c: Ditto.
7197 * java/lex.h: Ditto.
7198 * cfgloopmanip.c: Ditto.
7199 * postreload-gcse.c: Ditto.
7200 * tree-ssa-loop-manip.c: Ditto.
7201 * postreload.c: Ditto.
7202 * tree-ssa-loop-ch.c: Ditto.
7206 * diagnostic.c: Ditto.
7208 * genoutput.c: Ditto.
7210 * cfghooks.c: Ditto.
7211 * cfgloopanal.c: Ditto.
7212 * objc/objc-act.c: Ditto.
7214 * genextract.c: Ditto.
7215 * genautomata.c: Ditto.
7216 * pretty-print.c: Ditto.
7218 * cgraphunit.c: Ditto.
7221 * haifa-sched.c: Ditto.
7222 * dominance.c: Ditto.
7224 * tree-ssa-loop-ivopts.c: Ditto.
7226 * mode-switching.c: Ditto.
7227 * modulo-sched.c: Ditto.
7229 * ipa-pure-const.c: Ditto.
7231 * fix-header.c: Ditto.
7233 * tree-stdarg.c: Ditto.
7234 * ipa-utils.c: Ditto.
7235 * loop-init.c: Ditto.
7236 * ipa-inline.c: Ditto.
7239 * alloc-pool.c: Ditto.
7240 * dwarf2out.c: Ditto.
7242 * genattrtab.c: Ditto.
7243 * tree-ssa-loop-ivcanon.c: Ditto.
7247 * fortran/gfortranspec.c: Ditto.
7249 * local-alloc.c: Ditto.
7250 * langhooks.c: Ditto.
7251 * function.c: Ditto.
7252 * tree-vectorizer.c: Ditto.
7254 * ipa-type-escape.c: Ditto.
7256 * tree-if-conv.c: Ditto.
7259 * tree-data-ref.c: Ditto.
7260 * loop-unroll.c: Ditto.
7261 * treelang/treetree.c: Ditto.
7264 * ggc-common.c: Ditto.
7266 * coverage.c: Ditto.
7268 * tree-cfgcleanup.c: Ditto.
7269 * tree-ssa-pre.c: Ditto.
7270 * cfgcleanup.c: Ditto.
7271 * loop-invariant.c: Ditto.
7273 * ipa-prop.c: Ditto.
7274 * print-tree.c: Ditto.
7275 * conflict.c: Ditto.
7276 * ggc-page.c: Ditto.
7277 * sched-deps.c: Ditto.
7278 * regclass.c: Ditto.
7279 * tree-object-size.c: Ditto.
7281 * bb-reorder.c: Ditto.
7282 * resource.c: Ditto.
7283 * var-tracking.c: Ditto.
7285 * df-problems.c: Ditto.
7286 * reg-stack.c: Ditto.
7289 * sched-rgn.c: Ditto.
7290 * tree-ssa-structalias.c: Ditto.
7291 * tree-ssa-reassoc.c: Ditto.
7292 * config/darwin-c.c: Ditto.
7293 * config/darwin.c: Ditto.
7294 * config/arm/arm.c: Ditto.
7296 * collect2.c: Ditto.
7299 2006-01-31 Nicolas Pitre <nico@cam.org>
7301 * arm.md (smaxsi3): Make aware of smax_m1.
7304 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7306 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7308 2006-01-31 Richard Guenther <rguenther@suse.de>
7310 * doc/invoke.texi (-msselibm): Document.
7311 * target.h (expand_library_builtin): New target hook.
7312 * builtins.c (expand_builtin): Use expand_library_builtin.
7313 (default_expand_library_builtin): New function.
7314 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7315 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7316 (link_gcc_math_spec): Declare.
7317 (static_specs): Add link_gcc_math_spec.
7318 * expr.h (default_expand_library_builtin): Declare.
7319 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7320 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7321 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7322 * config/i386/i386.opt (msselibm): New target option.
7323 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7324 (ix86_init_sse_abi_builtins): New function.
7325 (ix86_expand_library_builtin): Likewise.
7326 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7327 (override_options): Handle error conditions wrt -msselibm.
7328 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7329 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7330 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7333 2006-01-31 Richard Guenther <rguenther@suse.de>
7334 Paolo Bonzini <bonzini@gnu.org>
7336 * doc/install.texi (--disable-libgcc-math): Document.
7338 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7340 * expr.h (expand_normal): new inline function.
7341 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7343 * dwarf2out.c: use it.
7348 * config/sparc/sparc.c: use it.
7349 * config/i386/i386.c: use it.
7350 * config/rs6000/rs6000.c: use it.
7351 * config/arm/arm.c: use it.
7352 * config/mips/mips.c: use it.
7353 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7355 2006-01-30 Roger Sayle <roger@eyesopen.com>
7357 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7358 argv to the appropriate type.
7360 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7362 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7365 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7368 * config/s390/s390.c (struct machine_function): New flag
7369 decomposed_literal_pool_addresses_ok_p.
7370 (s390_reorg): Set it before final stage of literal pool transforms.
7371 (s390_decompose_address): Only accept displacements of the form
7372 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7374 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7376 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7377 the comparison routine return.
7379 2006-01-30 Michael Matz <matz@suse.de>
7381 * global.c (find_reg): Only evict for global regs.
7382 Take n_refs into account and dump more info.
7384 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7387 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7388 (pragma_trap, pragma_nosave_low_regs): Likewise.
7389 (current_function_anonymous_args): Likewise.
7390 (sh_deferred_function_attributes): New variable.
7391 (sh_deferred_function_attributes_tail): Likewise.
7392 (print_operand): For '@', look up trap_exit attribute.
7393 (calc_live_regs): Look up trapa_handler attribute. For trapa
7394 handlers, save/restore fpscr, but don't do any other
7395 interrupt-specific saves.
7396 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7397 Fix check for partially saved registers to check for SHmedia.
7398 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7399 (sh_output_function_epilogue): Don't clear any of the removed
7401 (sh_insert_attributes): Don't check pragma_interrupt.
7402 Insert deferred attributes. Check that interrupt attribute is
7403 present for other attributes that require its presence.
7404 (sh_attribute_table): Add new attributes trapa_handler and
7406 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7407 Don't check for pragma_interrupt. Don't store argument.
7408 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7409 (sh_deferred_function_attributes): Declare.
7410 (sh_deferred_function_attributes_tail): Likewise.
7411 * sh.md (sp_switch_1): Add operand. Change generator caller.
7412 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7413 (*return_i): Don't use when trap_exit attribute is in effect.
7414 (*return_trapa): New insn pattern.
7416 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7417 setting c_target_objs and cxx_target_objs.
7418 * t-sh: Add rule for sh-c.o.
7420 2006-01-30 Richard Guenther <rguenther@suse.de>
7423 * gimplify.c (gimplify_target_expr): Handle easy cases
7424 without creating a temporary.
7426 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7428 * vec.h (safe_grow): Remove duplicated line.
7430 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7433 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7434 (expand_omp): ... here.
7435 (expand_omp_parallel): Only remove barriers for combined
7436 parallel+workshare constructs.
7438 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7442 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7443 * tree.c (build_qualified_type): Chain the new type to the original
7444 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7445 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7446 (build_pointer_type_for_mode): Only return unqualified types.
7447 (build_reference_type_for_mode): Likewise.
7449 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7451 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7452 * Makefile.in (CXX_COMPAT_WARN): Define.
7453 * configure: Regenerate.
7455 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7458 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7461 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7463 * toplev.c: Fix thinko.
7465 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7466 Marcin Dalecki <martin@dalecki.de>
7468 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7469 (push_srcloc): Use XNEW.
7470 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7472 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7474 * df-core.c (df_set_blocks): Deleted all variable.
7476 2006-01-28 Ian Lance Taylor <ian@airs.com>
7478 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7479 cgraph_output_pending_asms.
7481 2006-01-28 Zack Weinberg <zackw@panix.com>
7483 * c.opt: Add -W(no-)overlength-strings.
7484 * doc/invoke.texi: Document it.
7485 * c-opts.c (c_common_handle_option): -pedantic implies
7486 -Woverlength-strings, if not explicitly disabled already.
7487 (c_common_post_options): -Woverlength-strings defaults to off, and
7488 is always off for C++.
7489 * c-common.c (fix_string_type): Issue warning about strings longer
7490 than is portable only if warn_overlength_strings. Rearrange code
7491 a little for clarity.
7492 * configure.in: Check for -Wno-overlength-strings as well before
7493 enabling -pedantic in stage 1.
7494 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7495 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7497 * genconditions.c (write_header, write_one_condition)
7498 (write_conditions, write_writer): Consolidate very long strings
7499 that were broken up to fit in C89 portable limit. Don't use
7500 printf when fputs will do.
7502 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7504 * combine.c (simplify_comparison <AND>): Check
7505 TRULY_NOOP_TRUNCATION before start using a subreg.
7507 * config/mips/mips.md (*branch_zero<mode>,
7508 *branch_zero<mode>_inverted, *branch_equality<mode>,
7509 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7510 Remove mode check from comparisons.
7512 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7514 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7516 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7518 * expmed.c (const_mult_add_overflow_p): Remove.
7519 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7521 * recog.c (validate_replace_rtx_subexp): Remove.
7522 * recog.h: Remove the prototype for
7523 validate_replace_rtx_subexp.
7525 * integrate.h: Remove the prototype for
7526 copy_decl_for_inlining.
7527 * rtl.h: Remove the prototype for mark_constant_function.
7528 * tree-vectorizer.h: Remove the prototype for
7529 vect_strip_conversion.
7531 * modulo-sched.c (create_partial_schedule,
7532 free_partial_schedule, reset_partial_schedule): Make them
7535 * hooks.c (hook_bool_rtx_int_false): Remove.
7536 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7538 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7540 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7541 and -mlong-double-128 are incompatible.
7542 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7543 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7544 (TARGET_LIBGCC2_CFLAGS): Define.
7545 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7546 (TARGET_LIBGCC2_CFLAGS): Same.
7547 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7549 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7552 * c-typeck.c (build_binary_op): Perform implicit casts of
7553 operands before shortening them.
7555 * cfgloopmanip.c (split_loop_bb): Remove.
7556 * cfgloop.h: Remove the prototype for split_loop_bb.
7558 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7559 * cfgloop.h: Remove the prototype for
7560 flow_loop_outside_edge_p.
7562 * emit-rtl.c (init_virtual_regs): Make it static.
7563 * function.h: Remove the prototype for init_virtual_regs.
7565 * recog.c (peephole2_optimize): Make it static.
7566 * recog.h: Remove the prototype for peephole2_optimize.
7568 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7570 * df-scan.c (df_record_entry_block_defs): Check if
7571 INCOMING_RETURN_ADDR_RTX is defined.
7573 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7574 Kenneth Zadeck <zadeck@naturalbridge.com>
7576 PR rtl-optimization/24762
7577 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7578 * targhooks.c (hook_void_bitmap): New hook prototype.
7579 * targhoohs.h (hook_void_bitmap): Ditto.
7580 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7581 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7582 * target.h (live_on_entry): New function pointer.
7583 * df-scan.c (df_all_hard_regs): Removed.
7584 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7585 (df_scan_free_internal): Added df->entry_block_defs.
7586 (df_scan_alloc): Ditto.
7587 (df_scan_dump): Ditto.
7588 (df_uses_record): Plumbed flag field properly thru calls.
7589 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7590 This part fixes PR24762.
7591 (df_bb_refs_record): Added code to make the frame and arg
7592 pointers live in EH blocks.
7593 (df_refs_record): Added call to df_record_entry_block_defs.
7594 (df_record_entry_block_defs): New function.
7595 * df-core.c: Added comments to describe new artifical defs.
7596 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7597 (entry_block_defs): New field in struct df.
7598 (df_all_hard_regs): Deleted.
7599 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7600 * df-problems.c (df_ru_bb_local_compute_process_def):
7601 Added code to handle artifical defs in the entry to a function.
7602 (df_ru_bb_local_compute): Ditto.
7603 (df_rd_bb_local_compute_process_def): Ditto.
7604 (df_rd_bb_local_compute): Ditto.
7605 (df_lr_bb_local_compute): Ditto.
7606 (df_ur_bb_local_compute): Ditto.
7607 (df_urec_bb_local_compute): Ditto.
7608 (df_chain_create_bb): Ditto.
7609 (df_ur_local_finalize): Removed entry.
7610 (df_urec_init): Ditto.
7611 (df_urec_local_finalize): Ditto.
7612 (df_ri_bb_compute): Added detection of last use of pseudos.
7613 * Makefile.in (df-scan.o): Updated dependencies.
7614 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7615 * config/mips/mips.c (mips_set_live_on_entry): Added.
7616 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7618 * dce.c (marked_insn_p): Added code to handle artifical defs.
7620 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7622 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7624 (_mm_cvtsi128_si64): Likewise.
7625 (_mm_cvtsd_si64): Likewise.
7626 (_mm_cvttsd_si64): Likewise.
7627 (_mm_cvtsi64_sd): Likewise.
7628 (_mm_cvtsi64_si128): Likewise.
7629 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7630 (_mm_cvtsi64_m64): Likewise.
7631 (_m_to_int64): Likewise.
7632 (_mm_cvtm64_si64): Likewise.
7633 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7634 (_mm_cvttss_si64): Likewise.
7635 (_mm_cvtsi64_ss): Likewise.
7636 (_mm_cvtss_f32): Likewise.
7638 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7640 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7641 for pragma redefine_extname.
7643 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7646 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7647 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7648 -mno-minimal-toc to previous content.
7649 (bispecs): Remove goal.
7650 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7651 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7652 compatibility aliases on powerpc-*-*gnu*.
7653 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7654 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7655 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7656 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7657 (ldblspecs): New goal.
7658 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7659 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7661 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7662 L_sf_to_tf or L_df_to_tf is defined.
7664 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7665 Alan Modra <amodra@bigpond.net.au>
7668 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7669 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7670 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7671 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7672 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7673 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7674 (rs6000_override_options): Initialize rs6000_ieeequad.
7675 Initialize TFmode format to ibm_extended_format if not
7677 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7679 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7680 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7681 (function_arg_advance): IBM long double passed in two FPRs, not
7683 (function_arg): IBM long double passed in FPRs.
7684 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7685 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7686 Only multireg GPR aligned.
7687 (rs6000_init_libfuncs): Enable IBM long double functions if not
7689 (rs6000_generate_compare): Use IBM long double compare if not
7691 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7692 (TARGET_IEEEQUAD): Define.
7693 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7694 not TARGET_IEEEQUAD.
7695 * config/rs6000/rs6000.md: Enable TFmode patterns if
7697 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7698 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7699 and -mlong-double-128 are incompatible.
7700 * doc/invoke.texi (-mabi): Collect options together. Add
7701 ibmlongdouble and ieeelongdouble.
7703 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7705 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7707 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7708 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7709 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7710 * rtl.h (rtunion_def): Remove rt_ptr.
7712 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7713 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7714 * config/i386/winnt.c (i386_pe_mark_dllexport)
7715 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7717 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7719 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7721 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7725 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7726 pthread_key_delete. From John David Anglin. gthrw-ify
7727 pthread_getunique_np only if it it's not a macro. Delete
7729 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7730 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7731 __gthread_objc_condition_signal, __gthread_key_delete): Add
7732 "__attribute__ ((__unused__))" to unused arguments.
7733 (__gthread_recursive_mutex_init_function): Add missing return.
7734 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7735 gthr-posix95.h: Use macro-based approach for name redirection
7736 on targets missing weakref.
7738 2006-01-26 Zack Weinberg <zackw@panix.com>
7740 * genconditions.c (write_header): In generated code, #ifdef out
7741 all includes and fake declarations, except includes of bconfig.h
7742 and system.h, unless GCC_VERSION >= 3001. Do not include
7743 gensupport.h in any case.
7744 (write_conditions): Generate a definition of struct c_test. Add
7745 a comment to the generated #endif.
7746 (write_one_condition): Escape backslashes in string too.
7747 (write_writer): Generated code must escape backslashes and quote
7748 marks (but not newlines) in the strings it writes.
7749 * Makefile.in (build/gencondmd.o): Update dependencies.
7751 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7754 * Makefile.in (insn-automata.o): Add header file dependencies.
7755 * genautomata.c: Add includes.
7757 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7760 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7762 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7764 * configure.ac: Expect target tools paths to be passed from the toplevel
7765 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7767 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7769 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7772 * c.opt (Wpointer-sign): Init to -1.
7773 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7774 OPT_pedantic, to 0 otherwise.
7775 * doc/invoke.texi: Update.
7777 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7779 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7780 constants provided by 80387 instructions in the destination mode.
7782 2006-01-26 Richard Guenther <rguenther@suse.de>
7783 Andrew Pinski <pinskia@physics.uc.edu>
7786 partial PR tree-opt/17064
7787 * tree-ssa-structalias.c (intra_create_variable_infos):
7788 Create heap variables for incoming parameters if
7789 flag_argument_noalias > 1.
7790 (find_what_p_points_to): Look through default defs of
7793 2006-01-26 Jeff Law <law@redhat.com>
7796 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7797 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7798 within the VR_RANGE, use the VR_RANGE as the result, not the
7800 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7801 bounds for the type.
7803 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7805 * tree-ssa-alias.c (maybe_create_global_var): Change
7806 subvar walking to an assertion that we don't have subvar'd variables.
7808 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7811 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7812 Use a new variable, inner. PARM_DECLs are always non-weak.
7814 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7816 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7819 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7821 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7823 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7825 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7826 (smax_insn, smin_insn, smax_0, smin_0): New.
7828 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7831 * config/cris/cris.c (cris_order_for_addsi3): New function.
7832 * config/cris/cris-protos.h: Prototype it.
7833 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7834 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7835 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7836 (split for "op.S1 [rx=rx+i],ry (swapped)")
7837 (split for "op(s|u).S1 [rx=rx+i],ry")
7838 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7839 Apply cris_order_for_addsi3 when generating addsi3 insns.
7841 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7843 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7844 (TREE_BLOCK): Add call to EXPR_CHECK.
7846 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7849 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7850 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7851 (dump_omp_clauses): ... here.
7852 (dump_generic_node): Handle OMP_CLAUSE.
7853 * tree.c (omp_clause_num_ops): New.
7854 (omp_clause_code_name): New.
7855 (tree_code_size): Handle OMP_CLAUSE.
7856 (tree_size): Likewise.
7857 (make_node): Document handling of OMP_CLAUSE.
7858 (tree_node_structure): Handle OMP_CLAUSE.
7859 (omp_clause_check_failed): New.
7860 (omp_clause_range_check_failed): New.
7861 (omp_clause_operand_check_failed): New.
7862 (build_omp_clause): New.
7863 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7864 * tree.h (enum omp_clause_code): Declare.
7865 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7866 (OMP_CLAUSE_RANGE_CHECK): Define.
7867 (OMP_CLAUSE_ELT_CHECK): Define.
7868 (omp_clause_check_failed): Declare.
7869 (omp_clause_operand_check_failed): Declare.
7870 (omp_clause_range_check_failed): Declare.
7871 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7872 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7873 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7874 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7875 (OMP_CLAUSE_IF_EXPR): Likewise.
7876 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7877 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7878 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7879 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7880 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7881 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7882 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7883 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7884 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7885 (OMP_CLAUSE_CODE): Define.
7886 (OMP_CLAUSE_SET_CODE): Define.
7887 (OMP_CLAUSE_CODE): Define.
7888 (OMP_CLAUSE_OPERAND): Define.
7889 (struct tree_omp_clause): Declare.
7890 (union tree_node): Add field 'omp_clause'.
7891 * treestruct.def (TS_OMP_CLAUSE): Define.
7892 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7893 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7894 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7895 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7896 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7897 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7898 (OMP_CLAUSE): Define.
7899 * print-tree.c (print_node): Handle OMP_CLAUSE.
7900 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7901 * c-typeck.c: Likewise.
7902 * gimplify.c: Likewise.
7903 * c-omp.c: Likewise.
7904 * tree-nested.c: Likewise.
7905 * tree-inline.c: Likewise.
7906 * c-parser.c: Likewise.
7907 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7910 2006-01-25 Roger Sayle <roger@eyesopen.com>
7912 PR rtl-optimization/25703
7913 * combine.c (try_combine): Handle zero_extract and strict_low_part
7914 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7916 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7918 * global.c: Fix comment typos.
7920 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7923 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7924 Use output_addr_const instead of assemble_name.
7926 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7928 * Makefile.in (sched-vis.o): Update dependencies.
7929 * haifa-sched.c (sched_finish): Clear current_sched_info.
7930 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7931 (dump_flow_info): Call it.
7932 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7934 * basic-block.h (dump_bb_info): Declare.
7935 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7936 option, and apply options only for dump files whose TDF_RTL,
7937 TDF_TREE, or TDF_IPA bits match.
7938 * rtl.h: Declare new functions exported from sched-vis.c.
7939 * sched-vis.c: Enable also if scheduling is not used.
7940 (print_value): Print the mode of registers if not inside scheduling.
7941 (print_insn): Make it work outside the scheduler. Beautify the output
7943 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7945 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7947 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7948 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7949 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7950 depending on the value of CONSTANT_POOL_ADDRESS_P.
7951 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7953 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7954 rather than SYMBOL_REF_DECL.
7955 (rtx_constant_pool): Remove const_rtx_sym_htab.
7956 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7957 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7958 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7959 Remove handling of const_rtx_sym_htab.
7960 (find_pool_constant): Delete.
7961 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7962 rather than find_pool_constant.
7963 (get_pool_constant_for_function): Delete.
7964 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7966 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7967 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7968 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7969 (SYMBOL_REF_CONSTANT): New macro.
7970 (get_pool_constant_for_function): Delete.
7971 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7972 rather than SYMBOL_REF_DECL.
7973 (i386_pe_mark_dllimport): Likewise.
7974 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7975 rather than SYMBOL_REF_DECL.
7976 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7977 (machopic_indirect_call_target): Likewise.
7979 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7981 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7983 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7985 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7987 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7989 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7991 2006-01-24 David Daney <ddaney@avtrex.com>
7994 * configure.ac (enable_tls): New enable option.
7995 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7996 * configure: Regenerate.
7997 * doc/install.texi (--enable-tls): Document new option.
7998 (--disable-tls): Ditto.
8000 2006-01-24 Richard Henderson <rth@redehat.com>
8002 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8003 * alias.c (true_dependence): Respect it.
8004 (canon_true_dependence, write_dependence_p): Likewise.
8005 * builtins.c (get_builtin_sync_mem): Set it.
8007 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8009 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8012 2006-01-24 DJ Delorie <dj@redhat.com>
8014 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8015 for storing constants in single-bit bitfields.
8017 2006-01-25 Ben Elliston <bje@au.ibm.com>
8019 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8021 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8024 * tree-ssa-pre.c (phi_translate): Return NULL
8025 for AGGREGATE_TYPE's.
8027 2006-01-24 Zack Weinberg <zackw@panix.com>
8029 * genautomata.c (process_state_for_insn_equiv_partition):
8030 Use xcalloc for insn_arcs_array.
8031 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8032 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8034 2006-01-24 Richard Henderson <rth@redhat.com>
8036 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8039 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8041 PR rtl-optimization/25890
8042 PR rtl-optimization/25905
8043 * combine.c (expand_compound_operation, expand_field_assignment):
8044 Fail if the bitfield's final position is out of bounds.
8046 2006-01-24 Ian Lance Taylor <ian@airs.com>
8049 * cgraphunit.c (cgraph_output_in_order): Don't clear
8050 cgraph_asm_nodes until after asm strings have been output.
8052 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8054 * fix-header.c (read_scan_file): Add new parameter imultilib when
8055 calling register_include_chains.
8057 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8059 * omp-low.c: Update documentation.
8061 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8062 Daniel Berlin <dberlin@dberlin.org>
8066 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8067 return from the function.
8069 2006-01-22 Zack Weinberg <zackw@panix.com>
8071 * rtl.def (match_code): Add second argument.
8072 * genpreds.c (write_extract_subexp): New function.
8073 (write_match_code): Add path argument. Use write_extract_subexp.
8074 (write_predicate_expr): Pass path to write_match_code.
8075 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8076 not perform a mode test.
8077 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8078 a subexpression does not constrain the top-level code set.
8079 * read-rtl.c (read_rtx_variadic): New function.
8080 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8081 * doc/md.texi: Document new notation.
8082 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8083 (cmpsi_operand): ... here, using new notation.
8085 2006-01-22 Zack Weinberg <zackw@panix.com>
8087 * varray.c: Remove GENERATOR_FILE #ifdefs.
8089 2006-01-22 Zack Weinberg <zackw@panix.com>
8091 * genautomata.c (output_reserved_units_table): Emit nothing if
8092 description->query_units_num is zero. Remove extra blank line.
8093 (output_cpu_unit_reservation_p): Short circuit
8094 if description->query_units_num is zero.
8096 2006-01-22 Zack Weinberg <zackw@panix.com>
8098 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8099 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8100 nor any of the random handful of variables that used to be necessary
8101 when this program was linked with rtlanal.o. Prune set of forward
8102 function declarations.
8103 (struct attr_desc): Remove static_p field.
8104 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8105 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8106 (attr_string): Do not read the character one past the length of
8108 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8109 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8110 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8111 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8112 (make_automaton_attrs): New.
8113 (main): Do not call into genautomata. Call local gen_bypass
8114 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8115 Remove special case for insn_alts.
8116 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8117 varray.h (leftover from previous change). Prune set of forward
8118 function declarations. Remove state_alts fields from all
8119 structures. Remove state_alts_table from struct automaton.
8120 Make everything except main static. Do not maintain num_dfa_decls.
8121 Do not maintain state_alts fields of various structures.
8122 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8123 (add_arc): Remove state_alts argument. All callers updated.
8124 (output_reserved_units_table): Emit #ifdef here...
8125 (output_tables): ...not here. Don't generate state_alts tables.
8126 (expand_automata): Don't generate attributes.
8127 (write_automata): Don't generate state_alts functions.
8128 (main): New function.
8129 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8130 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8131 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8132 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8133 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8134 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8135 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8136 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8138 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8139 * genattrtab.h: Delete file.
8140 * Makefile.in (OBJS-common): Add insn-automata.o.
8141 (insn-automata.o): New rule.
8142 (simple_generated_c): Add insn-automata.c.
8143 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8144 (genprogmd): Add automata.
8145 (build/genattrtab): Needs no extra objects nor libraries.
8146 (build/genautomata): Needs build/vec.o and -lm.
8148 2006-01-22 Zack Weinberg <zackw@panix.com>
8150 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8151 (output_dfa_max_issue_rate, locked_states_num): Delete.
8152 (struct automaton): Add locked_states field.
8153 (output_dead_lock_vect): Save number of locked states in
8154 automaton->locked_states. If it is zero, don't print anything.
8155 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8156 (output_internal_dead_lock_func): Only test the dead_lock_vect
8157 for automata that have locked states.
8158 (output_statistics): Always print the number of locked states for
8159 each automaton. Calculate total number of locked states here.
8160 (write_automata): Don't call output_dfa_max_issue_rate.
8161 * genattrtab.c: Define length_unit_log as a const variable.
8162 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8163 max_insn_queue_index const.
8164 * final.c (length_unit_log): Declare const.
8165 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8167 2006-01-22 Zack Weinberg <zackw@panix.com>
8169 * genautomata.c: Include vec.h, not varray.h.
8170 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8171 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8172 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8173 VEC_* macros operating on appropriately typed vectors, or to
8174 malloced arrays when the size is known in advance. Const-ify
8175 many char* variables and function arguments. No functional changes.
8176 * Makefile.in (build/varray.o): Delete rule.
8177 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8178 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8180 2006-01-22 Zack Weinberg <zackw@panix.com>
8182 * gensupport.c: Define get_insn_name and record_insn_name here.
8183 (read_md_rtx): Call record_insn_name as appropriate.
8184 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8185 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8186 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8188 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8189 (BUILD_VARRAY): Delete.
8190 (genprognormal): Rename genprogmd. Fold in all programs from
8191 genprognoprint; also attrtab.
8192 (build/genattrtab): Just mention genautomata.o and varray.o.
8193 Reorganize a bit, add comments to make the categories clearer.
8195 2006-01-22 Zack Weinberg <zackw@panix.com>
8197 * genconditions.c (condition_table, add_condition): Delete.
8198 (write_conditions): Don't emit n_insn_conditions nor
8199 insn_elision_unavailable. Issue the gcc version #ifdef here,
8200 inside the table, with no #else clause ...
8201 (write_header): ...not here.
8202 (write_writer): New function.
8203 (main): Don't initialize condition_table. Use add_c_test.
8205 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8206 files on the command line.
8207 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8208 Return -1 if there is no entry in the table, don't abort.
8209 (add_c_test, traverse_c_tests): New functions.
8210 * gensupport.h (insn_elision_unavailable, insn_conditions)
8211 (n_insn_conditions): Delete declarations.
8212 (add_c_test, traverse_c_tests): Declare.
8213 * read-rtl.c: Include gensupport.h.
8214 (read_conditions): New function.
8215 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8216 (read_rtx_1): If we get EOF when we were looking for an initial
8217 open paren, return 0. Call read_conditions when appropriate.
8218 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8219 dummy-conditions.o. Eliminate references to insn-conditions.o,
8220 or change them to build/gencondmd.o, as appropriate. Remove
8221 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8222 from $(simple_generated_c). For all files remaining in those
8223 two lists, add insn-conditions.md to the generator command line.
8224 Give insn-constants.h/s-constants their own rules. Add rules
8225 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8226 (build/read-rtl.o): Depend on gensupport.h.
8227 (genprognormal): Include preds.
8228 (genprogearly): Rename genprognoprint; only difference is now that
8229 they don't link with $(BUILD_PRINT).
8230 * dummy-conditions.c: Delete.
8232 2006-01-22 Zack Weinberg <zackw@panix.com>
8234 * genextract.c: Don't include insn-config.h. Do include vec.h.
8235 Declare vectors of int, char, and locstr.
8236 (locstr): New typedef.
8237 (struct extraction): Make all array fields into bare pointers.
8238 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8239 (insn_code_number): Delete.
8240 (accum_extract): New struct.
8241 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8242 (gen_insn): Take insn_code_number as an argument. Use an
8243 accum_extract structure instead of loading data directly into
8244 a struct extraction, and having to know how big it might get.
8245 (walk_rtx): Operate entirely on an accum_extract structure.
8246 (print_path): Avoid unnecessary use of printf.
8247 (print_header): New function, split out of main. Distinguish
8248 more carefully between an unrecognizable insn and an insn that
8249 has the code number of a define_expand.
8250 (main): Pass insn_code_number to gen_insn. Call print_header
8251 only after parsing. Avoid unnecessary use of printf.
8252 * Makefile.in (build/vec.o): New rule.
8253 (build/genextract): Depend on build/vec.o.
8254 (build/genextract.o): Don't depend on insn-config.h.
8256 2006-01-22 Zack Weinberg <zackw@panix.com>
8258 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8259 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8260 practical. Eliminate per-generator-program link rules.
8262 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8265 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8266 with a call expr to ...
8267 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8269 2006-01-23 Richard Guenther <rguenther@suse.de>
8271 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8272 before make_edge with conditional EDGE_TRUE_VALUE.
8274 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8275 Jan Hubicka <jh@suse.cz>
8276 Richard Guenther <rguenther@suse.de>
8278 PR rtl-optimization/25654
8279 * cfgexpand.c (aggregate_contains_union_type): New function.
8280 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8281 for structure variables that contain a union type.
8283 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8285 * gengtype.c (new_structure): Return the structure.
8286 (create_option): Add an extra "next" argument.
8287 (create_field): New function.
8288 (adjust_field_rtx_def): Use create_option and create_field.
8289 Remove a now-unnecessary call to find_structure.
8290 (adjust_field_tree_def): Likewise.
8291 (note_yacc_type): Remove an unnecessary call to find_structure.
8292 * gengtype.h (new_structure): Return the structure.
8293 (create_option): Add an extra argument.
8294 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8295 (option): Adjust calls to create_option.
8297 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8299 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8301 2006-01-22 Paul Brook <paul@codesourcery.com>
8302 Peter Barada <peter@the-baradas.com>
8304 * config/m68k/m68k.md: Add Coldfire FPU support.
8305 Define FP mode macro and associated attributes.
8306 Use it for float mode patterns.
8307 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8308 (LIBCALL_VALUE): Use m68k_libcall_value.
8309 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8310 (m68k_function_value): Ditto.
8311 (emit_move_sequence): Ditto.
8312 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8313 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8314 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8315 (MULTILIB_EXCEPTIONS): Ditto.
8316 * config/m68k/m68k.opt: Add mcfv4e.
8317 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8318 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8319 (m68k_output_function_prologue): Save ColdFire FPU registers.
8320 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8321 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8322 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8323 ColdFire FPU registers.
8324 (m68k_libcall_value, m68k_function_value): New functions.
8325 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8326 (LIBCALL_VALUE): Use m68k_libcall_value.
8327 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8328 (MASK_COLDFIRE): Add MASK_CFV4E.
8329 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8330 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8331 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8332 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8333 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8334 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8335 * doc/invoke.tex: Document -mcfv4e on m68k.
8337 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8339 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8342 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8345 * c-opts.c (c_common_handle_option): Don't include
8346 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8347 * doc/invoke.texi (C++ Dialect Options): Document that
8348 -Wnon-virtual-dtor is no longer included in -Wall.
8350 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8352 * gcov.c (print_version), gcov-dump.c (print_version),
8353 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8356 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8358 * df-scan.c (problem_SCAN): Added NULL reset function.
8359 (df_scan_reset_blocks): Added code to call reset block function
8360 (df_bb_refs_delete) Fixed comment.
8361 (df_insn_refs_delete): Made tolerant of deleting non existent info
8362 for dataflow problems that need to be reset.
8363 * df-core.c (df_set_blocks): Ditto.
8364 * df.h (struct df_problem): Added reset_fun.
8365 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8366 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8367 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8368 functions to clear out all references to def-use or use-def chains.
8370 2006-01-21 Ben Elliston <bje@au.ibm.com>
8372 * varasm.c (assemble_real): Initialise data array.
8374 2006-01-20 Paul Brook <paul@codesourcery.com>
8376 Merge from csl-arm-branch.
8377 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8378 * config/arm/arm.md (movdi): Force operands[1] to a register
8379 if we have a non-register source.
8380 (*arm_movdi, *movdf_soft_insn): Require that one of the
8381 operands be a register.
8382 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8383 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8385 2006-01-20 DJ Delorie <dj@redhat.com>
8387 * varasm.c (initialize_constant_valid_p): Allow pointers
8388 initialized from integer constants of lesser precision.
8389 (output_constant): Allow non-int-sized pointer modes to be
8390 initialized from integer constants.
8392 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8395 * cppdefault.h (struct default_include): Add multilib flag.
8396 * cppdefault.c (cpp_include_defaults): Set it.
8397 * c.opt (-imultilib): New option.
8398 * c-opts.c (imultilib): New.
8399 (c_common_handle_option): Handle -imultilib.
8400 (c_common_post_options): Likewise.
8401 * c-incpath.c (add_standard_paths, register_include_chains):
8403 * c-incpath.h (register_include_chains): Add extra parameter.
8404 * gcc.c (do_spec_1): Generate -imultilib option.
8405 (The Specs Language): Update %I description.
8406 (process_command): Update copyright notice.
8407 * doc/cppopts.texi (-imultilib): Document.
8408 * doc/invoke.texi (-imultilib): Include in option summary.
8409 (%I): Update specs documentation.
8411 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8413 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8415 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8417 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8420 2006-01-20 Richard Guenther <rguenther@suse.de>
8421 Steven Bosscher <stevenb.gcc@gmail.com>
8423 PR rtl-optimization/24626
8424 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8425 EDGE_TRUE_VALUE if in RTL mode.
8428 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8429 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8431 2006-01-20 Dirk Mueller <dmueller@suse.com>
8434 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8435 instead of a special NOP marker.
8436 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8437 NOP marker handling.
8438 * c-common.h (empty_body_warning): Add forward declaration.
8439 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8440 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8442 2006-01-20 Paul Brook <paul@codesourcery.com>
8444 * Makefile.in (lang_checks): Keep going if mkdir fails.
8446 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8448 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8449 be able to clean out basic block when not necessary.
8450 (df_scan_free): Fixed to properly delete information if df is
8451 unused before calling df_finish.
8452 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8453 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8455 (df_bb_refs_delete): New function.
8456 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8457 * df-core.c (df_set_blocks): Added code to properly clean out
8458 unused blocks if they are not part of the blocks to consider.
8459 Added additional null check.
8460 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8461 be able to clean out basic block when not necessary
8462 * df.h (df_free_bb_function): Ditto.
8463 (df_bb_refs_delete): New function.
8464 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8465 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8466 basic block parameter to be able to clean out basic block when not
8468 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8469 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8470 Fixed to properly delete information if df is unused before
8473 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8475 PR rtl-optimization/25799
8476 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8477 Corrected confluence operator to remove bits from op2 before oring
8478 with op1 rather than removing bits from op1.
8479 (df_ru_transfer_function): Corrected test on wrong bitmap which
8480 caused infinite loop. Both of these problems were introduced in
8481 the dataflow rewrite.
8483 2006-01-19 DJ Delorie <dj@redhat.com>
8485 * reload1.c (find_reload_regs): Note the details of reload
8486 failures in the dump file.
8487 (spill_failure): Likewise.
8489 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8491 * loop-iv.c: Include df.h and hashtab.h.
8492 (enum iv_grd_result): New enum.
8493 (DF_REF_IV, DF_REF_IV_SET): New macros.
8494 (struct biv_entry): New.
8495 (df, bivs): New global variables.
8496 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8497 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8499 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8500 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8501 analyzed_for_bivness_p, record_biv): New functions.
8502 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8503 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8504 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8506 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8508 (iv_number_of_iterations): Use new interface to iv analysis.
8509 * loop-unroll.c: Do not include varray.h.
8510 (analyze_iv_to_split_insn): Use new interface to iv
8512 * loop-unswitch.c (may_unswitch_on): Ditto.
8513 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8515 (df_bb_modify): Realloc tables to the new index.
8516 (df_find_use): New function.
8517 * df.h (df_find_use): Declare.
8518 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8520 * cfgloop.h (struct rtx_iv): Remove analysed field.
8521 (iv_get_reaching_def): Removed.
8522 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8523 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8524 (loop-iv.o): Add df.h and hashtab.h dependency.
8525 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8527 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8530 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8532 (__floatundisf, __floatundidf): Likewise.
8533 * libgcc2.h (IS_IBM_EXTENDED): Define.
8535 2006-01-19 DJ Delorie <dj@redhat.com>
8537 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8539 2006-01-19 Paul Brook <paul@codesourcery.com>
8541 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8542 as nothrow when unwinding tables are disabled.
8544 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8547 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8548 of bit-field" when in system header.
8550 2006-01-19 DJ Delorie <dj@redhat.com>
8552 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8553 the 16 bit shift limit of the m16c.
8555 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8558 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8559 * config/i386/i386.c (output_set_got): Output the label if we have one
8560 for the TARGET_DEEP_BRANCH_PREDICTION case.
8562 2006-01-19 Jan Hubicka <jh@suse.cz>
8563 H.J. Lu <hongjiu.lu@intel.com>
8564 Evandro Menezes <evandro.menezes@amd.com>
8566 * invoke.texi (generic): Document
8568 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8569 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8570 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8571 (x86_use_incdec, x86_pad_returns): New variables
8572 (TARGET_CPU_DEFAULT_generic): New constant
8573 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8574 (enum processor_type): Add generic32 and generic64.
8575 * i386.md (cpu attribute): Add generic32/generic64
8576 (movhi splitter): Behave sanely when both partial_reg_dependency and
8577 partial_reg_stall are set.
8578 (K8 splitters): Enable for generic as well.
8579 * predicates.md (incdec_operand): Use TARGET_INCDEC
8580 (aligned_operand): Avoid memory mismatch stalls.
8581 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8582 * ppro.md: Enable for generic32
8583 * i386.c (generic64_cost, generic32_cost): New.
8584 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8585 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8586 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8587 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8588 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8589 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8590 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8591 x86_accumulate_outgoing_args, x86_prologue_using_move,
8592 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8593 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8595 (x86_use_incdec, x86_pad_returns): New.
8596 (override_options): Add generic32 and generic64, translate "generic"
8597 to generic32/generic64 and "i686" to "generic32", refuse
8598 "generic32"/"generic64" as arch target.
8599 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8600 (ix86_reorg): Honor PAD_RETURNS.
8602 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8604 * tree-pretty-print.c (dump_generic_node): Handle
8605 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8606 * cgraph.c (cgraph_expand_queue): Rename from
8607 cgraph_analyze_queue. Update all users.
8608 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8609 cgraph_expand_queue.
8610 (cgraph_expand_all_functions): Likewise.
8611 (cgraph_finalize_pending_functions): Remove. Update callers.
8613 * tree.h (OMP_DIRECTIVE_P): Define.
8614 (OMP_PARALLEL_FN): Define.
8615 (OMP_PARALLEL_DATA_ARG): Define.
8616 (OMP_SECTIONS_SECTIONS): Define.
8617 * tree-pass.h (pass_expand_omp): Declare.
8618 * omp-low.c (struct omp_region): Declare.
8619 (struct omp_context): Remove fields 'parallel_type',
8620 'parallel_start_ix' and 'parallel_start_additional_args'.
8622 (struct omp_for_data): Rename from struct expand_omp_for_data.
8623 (omp_regions): New static variable.
8624 (root_omp_region): New static variable.
8625 (find_omp_clause): Make static.
8626 (is_in_combined_parallel_ctx): Remove.
8627 (is_combined_parallel): New.
8628 (extract_omp_for_data): Move earlier in the file.
8629 (workshare_safe_to_combine_p): New.
8630 (get_ws_args_for): New.
8631 (determine_parallel_type): Move earlier in the file.
8632 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8634 (omp_copy_decl): Likewise.
8635 (create_omp_child_function): Likewise.
8636 (lookup_omp_region): New.
8637 (dump_omp_region): New.
8638 (debug_omp_region): New.
8639 (debug_all_omp_regions): New.
8640 (new_omp_region): New.
8641 (scan_omp_parallel): If parallel_nesting_level > 1, the
8642 directive is nested within another parallel directive.
8643 Set OMP_PARALLEL_FN.
8644 (scan_omp_for): Do not try to handle combined parallel+for
8646 Remove FIXME comment.
8647 (scan_omp_nested): Remove.
8648 (scan_omp_1): Do not call scan_omp_nested when
8649 parallel_nesting_level is > 1.
8650 Do not change the DECL_CONTEXT of local variables found.
8651 (lookup_decl_in_outer_ctx): New.
8652 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8653 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8654 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8655 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8656 If CTX is nested, lookup VAR in the outer context when
8657 building copy assignment.
8658 (lower_send_clauses): Rename from expand_send_clauses.
8659 If CTX is nested, lookup VAR in the outer context when
8660 building copy assignments.
8661 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8662 If CTX is nested, lookup VAR in the outer context when
8663 building copy assignments.
8664 (expand_parallel_call): Rename from build_parallel_call.
8665 Handle combined parallel+workshare cases.
8666 Re-implement to emit code into the CFG.
8668 (expand_omp_parallel): Re-implement to emit code into the CFG.
8669 Call move_sese_region_to_fn to outline the sub-graph
8670 containing the parallel region.
8671 (expand_omp_for_1): Remove.
8672 (expand_omp_for_generic): Re-implement to emit code into the
8674 (expand_omp_for_static_nochunk): Likewise.
8675 (expand_omp_for_static_chunk): Likewise.
8676 (expand_omp_for): Likewise.
8677 (expand_omp_sections): Likewise.
8678 (remove_exit_barriers): New.
8679 (expand_omp_synch): New.
8681 (build_omp_regions_1): New.
8682 (build_omp_regions): New.
8683 (execute_expand_omp): New.
8684 (gate_expand_omp): New.
8685 (pass_expand_omp): Define.
8686 (lower_omp_sections): Rename from expand_omp_sections.
8687 Set OMP_SECTIONS_SECTIONS.
8688 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8689 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8690 (lower_omp_single): Rename from expand_omp_simple.
8691 (lower_omp_master): Rename from expand_omp_master.
8692 (lower_omp_ordered): Rename from expand_omp_ordered.
8693 (lower_omp_critical): Rename from expand_omp_critical.
8694 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8695 (lower_omp_for): Re-implement.
8696 (lower_omp_parallel): Re-implement.
8697 (lower_regimplify): Rename from expand_regimplify.
8698 (lower_omp_1): Rename from expand_omp_1.
8699 If there are syntax errors in the program, replace every
8700 OpenMP directive with NOP.
8701 Call lower_omp_* instead of expand_omp_*.
8702 (lower_omp): Rename from expand_omp.
8704 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8705 * tree-gimple.h (enum omp_parallel_type): Remove.
8706 (gimple_boolify): Declare extern.
8707 (find_omp_clause, determine_parallel_type): Remove.
8709 * gimple-low.c (lower_omp_directive): New.
8710 (lower_stmt): Call it.
8711 (record_vars_into): Move from ...
8712 (record_vars): ... here.
8713 Call record_vars_into with current_function_decl.
8715 * gimplify.c (struct gimplify_ctx): Remove fields
8716 combined_pre_p and combined_ctxp. Update users.
8717 (get_formal_tmp_var): Add documentation.
8718 (gimple_boolify): Make extern.
8719 (gimplify_expr_in_ctx): Remove. Update callers.
8720 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8721 will always be a BIND_EXPR.
8722 (gimplify_expr): Handle OMP_RETURN_EXPR.
8723 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8724 (OMP_PARALLEL): Add 3 operands.
8725 (OMP_SECTIONS): Add 1 operand.
8726 (OMP_RETURN_EXPR): Define.
8728 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8729 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8730 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8731 creating a circular free list.
8732 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8734 * tree-flow.h (move_sese_region_to_fn): Declare.
8735 (record_vars_into): Declare.
8736 * tree-cfg.c (make_omp_sections_edges): New.
8737 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8738 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8739 OMP_SECTIONS and OMP_SECTION.
8740 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8741 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8742 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8743 (gather_blocks_in_sese_region): New.
8744 (struct move_stmt_d): Declare.
8746 (move_block_to_fn): New.
8747 (move_sese_region_to_fn): New.
8749 * passes.c (init_optimization_passes): Schedule
8750 pass_expand_omp after pass_init_datastructures.
8752 * tree-ssa-operands.c (get_expr_operands): Handle
8753 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8754 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8756 2006-01-19 Jeff Law <law@redhat.com>
8758 * tree-vrp.c (extract_range_from_assert): Refine the result range
8759 if the variable referenced by the ASSERT_EXPR has a range and
8760 either the tentative result range or the previous range is a
8763 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8765 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8767 2006-01-19 Jan Hubicka <jh@suse.cz>
8769 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8771 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8773 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8774 (expand_compound_operation, expand_field_assignment): Fail if the
8775 bit lengths of an extract operation are out of range.
8776 (make_extraction): Compute wanted_inner_mode based on the position
8777 and length of the extraction. Make it extraction_mode for non-constant
8778 positions, and do not modify offset in that case. When generating a
8779 new MEM, use a mode that can hold the extraction while keeping correct
8780 alignment. Remove code that supported MEMs wrapped by USEs.
8781 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8783 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8785 * config/s390/s390.md ("Y", "y"): New mode attribute.
8786 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8787 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8788 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8789 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8790 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8791 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8792 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8793 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8794 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8795 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8796 "addsi3", "subsi3"): Insn patterns removed.
8797 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8798 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8799 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8800 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8801 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8802 "*sub<mode>3_cconly2"): New insn patterns.
8803 ("addsi3", "subsi3"): New expanders.
8805 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8807 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8808 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8809 existing STMT_VINFO_VECTYPE if available.
8810 (vect_mark_relevant): Add special handling for stmts that are
8811 marked as STMT_VINFO_IN_PATTERN_P.
8812 (vect_analyze_loop): Call vect_pattern_recog.
8813 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8814 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8816 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8817 (vect_recog_func_ptr): New function-pointer type.
8818 * tree-vect-patterns.c: New file.
8819 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8820 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8821 (vect_pattern_recog_1): New functions.
8822 (vect_pattern_recog_funcs): New array of function pointers.
8824 * tree-vectorizer.h (ternary_op): New enum value.
8825 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8826 declaration. Revised documentation. Removed redundant dump prints.
8827 Removed redundant argument. Added support for reduction patterns.
8828 (vectorizable_reduction): Added support for reduction patterns.
8829 (vect_transform_stmt): Added support for patterns.
8831 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8832 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8833 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8834 (expand_widen_pattern_expr): New function.
8835 (init_optabs): Initialize new optabs udot_prod_optab,
8837 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8838 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8839 (expand_widen_pattern_expr): New function declaration.
8840 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8842 * tree-inline.c (estimate_num_insns_1): Added cases for new
8843 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8844 * tree-pretty-print.c (dump_generic_node): Likewise.
8845 (op_prio): Likewise.
8846 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8847 * tree-ssa-operands.c (get_expr_operands): Added case for
8849 * tree-vect-patterns.c (widened_name_p): New function.
8850 (vect_recog_dot_prod_pattern): Added function implementation.
8851 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8852 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8853 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8854 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8856 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8857 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8858 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8859 (init_optabs): Initialize new optabs widen_ssum_optab,
8861 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8862 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8863 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8864 use instead of type of def.
8865 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8866 function implementation.
8867 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8868 widen_ssumv8hi): New.
8870 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8873 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8876 * c-decl.c (add_flexible_array_elts_to_size): New function.
8877 (finish_decl): Use it.
8879 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8881 * diagnostic.h: Include options.h.
8882 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8883 dependancies for diagnostic.h.
8884 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8886 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8888 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8889 (ssa_ro_call_cache_valid): Ditto.
8890 * tree-ssa-alias.c (sort_tags_by_id): New function.
8891 (init_transitive_clobber_worklist): Ditto.
8892 (add_to_worklist): Ditto.
8893 (mark_aliases_call_clobbered): Ditto.
8894 (compute_tag_properties): Ditto.
8895 (set_initial_properties): Ditto.
8896 (compute_call_clobbered): Ditto.
8897 (compute_may_aliases): Call compute_call_clobbered and grouping.
8898 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8899 (compute_flow_insensitive_aliasing): Grouping now happens in our
8901 (setup_pointers_and_addressables): Remove clobbering related code.
8902 (add_may_alias): Ditto.
8903 (replace_may_alias): Ditto.
8904 (get_nmt_for): Ditto.
8905 (create_global_var):
8906 (is_escape_site): Return an escape_type enumeration.
8907 * tree-flow-inline.h (is_call_clobbered): Global var does not
8908 imply call clobbered.
8909 (mark_call_clobbered): Take a reason for marking this. Remove
8910 marking of globalness, and cache invalidation.
8911 (clear_call_clobbered): Remove cache invalidation code.
8912 * tree-dfa.c (dump_variable): If details is on, dump the reason
8914 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8916 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8917 (struct var_ann_d): Ditto.
8918 (enum escape_type): New.
8919 (mark_call_clobbered): Adjust prototype.
8920 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8921 are never call clobbered.
8922 Record reasons for escaping.
8923 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8924 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8925 (ssa_ro_call_cache_valid): Ditto.
8926 (clobbered_v_may_defs): Ditto.
8927 (clobbered_vuses): Ditto.
8928 (ro_call_vuses): Ditto.
8929 (clobber_stats): New.
8930 (init_ssa_operands): Zero out clobber stats.
8931 (fini_ssa_operands): Print out clobber stats.
8932 (get_call_expr_operands): Pass callee fndecl to
8934 (add_call_clobber_ops): Remove use of cache.
8935 Add use of PURE_CONST information.
8936 (add_call_read_ops): Remove use of cache.
8937 Add use of static not_read information.
8939 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8941 Introduce TLS descriptors for i386 and x86_64.
8942 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8943 (TARGET_ANY_GNU_TLS): New macro.
8944 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8945 (struct machine_function): Add tls_descriptor_call_expanded_p.
8946 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8947 (ix86_current_function_calls_tls_descriptor): Likewise.
8948 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8949 (override_options): Introduce gnu2 tls dialect.
8950 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8952 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8954 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8955 (ix86_init_machine_status): Initialize new field.
8956 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8957 (ix86_tls_module_base): New.
8958 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8959 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8960 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8961 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8962 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8963 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8964 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8965 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8966 * config/i386/predicates.md (tls_modbase_operand): New.
8967 (tp_or_register_operand): New.
8969 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8971 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8972 (look_for_address_of): Ditto.
8973 (ipa_init): Walk the function decls.
8974 (static_execute): Don't set readonly on FUNCTION_DECL's.
8976 2006-01-18 Roger Sayle <roger@eyesopen.com>
8978 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8979 for shifts where the source and destination registers are different.
8981 2006-01-18 Paul Brook <paul@codesourcery.com>
8983 Merge from csl-arm-branch.
8984 2005-03-14 Julian Brown <julian@codesourcery.com>
8985 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8986 (aeabi_llsl): Likewise.
8987 (ashrdi3): Likewise.
8988 (aeabi_lasr): Likewise.
8989 (lshrdi3): Likewise.
8990 (aeabi_llsr): Likewise.
8991 2005-03-10 Julian Brown <julian@codesourcery.com>
8992 * config.gcc: Disable shared libgcc for SymbianOS.
8993 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8995 2006-01-18 DJ Delorie <dj@redhat.com>
8997 * c-pragma.c (handle_pragma_diagnostic): New.
8998 (init_pragma): Register it.
8999 * doc/extend.texi: Document it.
9001 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9002 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9003 (diagnostic_context): Add classify_diagnostic[].
9004 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9005 as errors if they're overridden to DK_WARNING.
9006 (diagnostic_initialize): Initialize classify_diagnostic[].
9007 (diagnostic_set_kind_override): New.
9008 (diagnostic_report_diagnostic): Check for kind changes.
9009 * opts.c (common_handle_option): Take lang_mask. Update callers.
9011 * common.opt (Werror=): New.
9012 * doc/invoke.texi: Document -Werror=*
9014 2006-01-18 Jeff Law <law@redhat.com>
9016 * tree-vrp.c (test_for_singularity): Correct test for new
9017 min limit. Use operand_equal_p rather than pointer equality
9018 for testing if new min/max values are equal.
9020 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9021 using range information until after propagation and folding.
9023 2006-01-18 Richard Henderson <rth@redhat.com>
9024 Aldy Hernandez <aldyh@redhat.com>
9025 Jakub Jelinek <jakub@redhat.com>
9026 Diego Novillo <dnovillo@redhat.com>
9028 * omp-low.c: New file.
9029 * c-omp.c: New file.
9031 2006-01-18 Richard Henderson <rth@redhat.com>
9032 Jakub Jelinek <jakub@redhat.com>
9033 Diego Novillo <dnovillo@redhat.com>
9035 * doc/invoke.texi: Document -fopenmp.
9036 * tree-dump.h (debug_function): Declare.
9037 * hooks.c (hook_bool_tree_bool_false): New function.
9038 (hook_tree_tree_null): Remove.
9039 (hook_tree_tree_tree_null): New.
9040 * hooks.h: Update to match.
9041 * tree-pretty-print.c (debug_tree_chain): New.
9042 (print_generic_expr): Handle TDF_CHAIN.
9043 (dump_generic_node): Handle BLOCK.
9044 Do not abort with incomplete SWITCH_EXPRs.
9045 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9046 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9047 print space after directive name.
9048 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9049 Handle OMP_MASTER and OMP_ORDERED.
9050 Handle printing of OMP_BODY just in one place, goto
9051 dump_omp_body in the rest of OMP_* nodes that have
9053 Don't handle clause nodes here. Update omp statements to
9054 use dump_omp_clauses.
9055 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9056 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9057 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9058 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9059 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9060 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9061 Adjust output for GOMP_PARALLEL.
9062 (dump_omp_clauses): New.
9063 (print_declaration): Dump DECL_VALUE_EXPR.
9064 (op_symbol_1): Split out of op_symbol.
9065 (dumping_stmts): Remove. Update all users.
9066 * cgraph.c (cgraph_analyze_queue): New.
9067 (cgraph_add_new_function): New.
9068 * cgraph.h (cgraph_analyze_queue): Declare.
9069 (cgraph_add_new_function): Declare.
9070 (cgraph_lower_function): Remove.
9071 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9072 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9073 and TYPE_P nodes in its default clause.
9074 (empty_body_p): New.
9075 (tree_range_check_failed): New.
9077 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9078 OMP_CLAUSE_REDUCTION_MERGE,
9079 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9080 OMP_CLAUSE_PRIVATE_DEBUG,
9081 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9082 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9083 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9084 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9085 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9086 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9087 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9088 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9089 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9090 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9091 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9092 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9093 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9094 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9095 (TREE_RANGE_CHECK): New.
9096 (empty_body_p): Declare.
9097 (enum omp_clause_default_kind): New.
9098 (build_string_literal): Declare.
9099 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9100 (build5_stat, build5): Declare.
9101 * tree-pass.h (TDF_CHAIN): Define.
9102 * tree-pass.h (PROP_gimple_lomp): Define.
9103 (pass_lower_omp): Declare.
9104 * diagnostic.h (debug_tree_chain): Declare.
9105 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9107 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9108 * builtins.c (build_string_literal): Make extern.
9109 * gcc.c (include_spec_function): New.
9110 (static_spec_functions): Add it.
9111 (main): Move load of libgomp.spec ...
9112 (LINK_COMMAND_SPEC): ... here.
9113 (link_gomp_spec): New.
9114 (static_specs): Include it.
9115 (LINK_COMMAND_SPEC): Add link_gomp.
9116 (GOMP_SELF_SPECS): New.
9117 (driver_self_specs): Include it.
9118 (switch_matches): Don't mark inline.
9119 (main): Load libgomp.spec.
9120 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9121 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9122 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9123 * tree-gimple.h (enum omp_parallel): Declare.
9124 (determine_parallel_type): Declare.
9125 (omp_firstprivatize_variable): Declare.
9126 (omp_reduction_init): Declare.
9127 (diagnose_omp_structured_block_errors): Declare.
9128 (struct walk_stmt_info): Add want_return_expr.
9129 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9130 (find_omp_clause): Declare.
9131 (insert_field_into_struct): Declare.
9132 (struct walk_stmt_info): Move from tree-nested.c
9133 (walk_stmts): Declare.
9134 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9136 * cgraphunit.c (cgraph_lower_function): Make static.
9137 (cgraph_finalize_pending_functions): New.
9138 (cgraph_finalize_function): Call it.
9139 (cgraph_finalize_compilation_unit): Likewise.
9140 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9141 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9142 (BT_FN_UINT_UINT): New.
9143 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9144 DEF_FUNCTION_TYPE_VAR_4): Document.
9145 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9146 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9147 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9148 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9149 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9150 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9151 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9152 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9153 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9154 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9155 into separate files.
9156 (DEF_GOMP_BUILTIN): New.
9157 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9158 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9159 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9160 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9161 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9162 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9163 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9164 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9165 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9166 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9167 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9168 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9169 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9170 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9171 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9172 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9173 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9174 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9175 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9176 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9177 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9178 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9179 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9180 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9181 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9182 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9183 * sync-builtins.def: New file, moved from builtins.def.
9184 * omp-builtins.def: New file, moved from builtins.def.
9185 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9186 * gimple-low.c (lower_function_body): Clear data.
9187 (lower_stmt): Do not handle COMPOUND_EXPR.
9188 Remove call to print_node_brief.
9189 * c-tree.h (c_finish_omp_clauses): New prototype.
9190 (C_DECL_THREADPRIVATE_P): Define.
9191 (lookup_name_no_remap, c_omp_remap_private): Remove
9192 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9193 (check_for_loop_decls): Update decl.
9194 (lookup_name_no_remap, c_omp_remap_private): Declare.
9195 (build_indirect_ref, build_modify_expr, pushdecl,
9196 pushdecl_top_level): Move to c-common.h.
9197 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9198 before the switch, but just in the 2 places that need it.
9199 * c-decl.c (diagnose_mismatched_decls): Do not check for
9200 mismatched thread-local attributes when OLDDECL is marked
9201 threadprivate and NEWDECL has no thread-local attributes.
9202 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9203 (c_gimple_diagnostics_recursively): Rename from
9204 c_warn_unused_result_recursively. Invoke
9205 diagnose_omp_structured_block_errors.
9206 (check_for_loop_decls): Return a singular decl found.
9207 * langhooks.c (lhd_omp_predetermined_sharing): Return
9208 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9209 (lhd_omp_firstprivatize_type_sizes): New.
9210 (lhd_omp_assignment): New.
9211 (lhd_omp_predetermined_sharing): New.
9212 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9213 (struct lang_hooks_for_types): Add
9214 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9215 omp_predetermined_sharing, omp_disregard_value_expr,
9216 omp_private_debug_clause, omp_clause_default_ctor,
9217 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9218 (c_finish_omp_clauses): New.
9219 (c_finish_bc_stmt): Diagnose break within omp for.
9220 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9221 (build_unary_op): Return error_mark after reporting
9223 (build_modify_expr): Likewise.
9224 * gimplify.c: Include optabs.h and pointer-set.h.
9225 (enum gimplify_omp_var_data): Declare.
9226 (struct gimplify_omp_ctx): Declare.
9227 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9229 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9230 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9231 (splay_tree_compare_decl_uid): New.
9232 (new_omp_context): New.
9233 (delete_omp_context): New.
9234 (gimple_add_tmp_var): Call omp_add_variable.
9235 (gimplify_bind_expr): Likewise.
9236 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9237 true, disregard DECL_VALUE_EXPR on the decl if any.
9238 (gimplify_expr_in_ctx): New.
9239 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9240 omp_add_variable, omp_notice_variable, omp_is_private
9241 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9242 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9243 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9244 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9245 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9246 gimplify_omp_atomic): New.
9247 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9248 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9249 OMP_CRITICAL and OMP_ATOMIC.
9250 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9251 * c-pragma.h (enum pragma_kind): Add
9252 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9253 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9254 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9255 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9256 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9257 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9258 PRAGMA_OMP_THREADPRIVATE.
9259 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9260 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9261 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9262 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9263 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9264 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9265 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9266 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9267 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9268 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9269 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9270 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9271 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9273 (struct nesting_info): Add field_map,
9274 suppress_expansion, debug_var_chain.
9275 (create_nesting_tree): Initialize them.
9276 (lookup_field_for_decl): Use field_map.
9277 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9278 (convert_local_omp_clauses): New.
9279 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9280 (walk_body): Split out of walk_function.
9281 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9282 (convert_nonlocal_reference): Handle omp statements.
9283 (convert_local_reference): Likewise.
9284 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9285 (unnest_nesting_tree): New.
9286 (lower_nested_functions): Call it.
9287 (insert_field_into_struct): Make extern.
9288 (struct walk_stmt_info): Move to tree-gimple.h.
9289 (walk_stmts): Make extern.
9290 * omp-builtins.def: New file.
9291 * tree-iterator.c (expr_only): Clarify comment.
9292 * c-common.h (pushdecl_top_level, pushdecl,
9293 build_modify_expr, build_indirect_ref,
9294 c_finish_omp_master, c_finish_omp_critical,
9295 c_finish_omp_ordered, c_finish_omp_barrier,
9296 c_finish_omp_atomic, c_finish_omp_flush,
9297 c_finish_omp_for, c_split_parallel_clauses,
9298 omp_clause_default_kind, c_omp_sharing_predetermined,
9299 c_omp_remap_decl): Declare.
9300 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9301 (OBJS-common): Add omp-low.o.
9302 (c-omp.o, omp-low.o): Add.
9303 (gimplify.o): Add dependency on $(OPTABS_H).
9304 (GTFILES): Add omp-low.c.
9305 (gt-stringpool.h): Add.
9306 * tree-cfg.c (set_bb_for_stmt): Do not update the
9307 block-to-labels map if we are currently expanding to RTL.
9308 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9310 Handle IDENTIFIER_NODE.
9311 (tree_verify_flow_info): Do not ICE when emitting error
9312 messages about invalid labels.
9313 (dump_function_to_file): Reset CFUN before emitting the body
9315 (debug_function): New.
9316 * passes.c (init_optimization_passes): Schedule
9318 * langhooks-def.h (lhd_omp_predetermined_sharing,
9319 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9321 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9322 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9323 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9324 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9325 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9326 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9327 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9328 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9329 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9330 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9331 (LANG_HOOK_DECLS): Use them.
9333 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9334 Richard Henderson <rth@redhat.com>
9335 Jakub Jelinek <jakub@redhat.com>
9336 Diego Novillo <dnovillo@redhat.com>
9338 * c-parser.c (pragma_omp_clause): Define.
9339 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9340 (c_parser_compound_statement): Likewise.
9341 (c_parser_statement): Likewise.
9342 (c_parser_pragma): Handle omp pragmas.
9343 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9344 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9345 (c_parser_omp_clause_name, check_no_duplicate_clause,
9346 c_parser_omp_variable_list,
9347 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9348 c_parser_omp_clause_copyprivate,
9349 c_parser_omp_clause_default,
9350 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9351 c_parser_omp_clause_lastprivate,
9352 c_parser_omp_clause_nowait,
9353 c_parser_omp_clause_num_threads,
9354 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9355 c_parser_omp_clause_reduction,
9356 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9357 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9358 c_parser_omp_atomic, c_parser_omp_barrier,
9359 c_parser_omp_critical, c_parser_omp_flush,
9360 c_parser_omp_for_loop, c_parser_omp_for,
9361 c_parser_omp_master, c_parser_omp_ordered,
9362 c_parser_omp_sections_scope, c_parser_omp_sections,
9363 c_parser_omp_parallel, c_parser_omp_single,
9364 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9365 * c-pragma.c (init_pragma): Do omp pragma registration here.
9366 * c.opt (fopenmp): New flag.
9368 2006-01-18 Eric Christopher <echristo@apple.com>
9370 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9371 * config/darwin.h (GOMP_SELF_SPECS): Define.
9373 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9375 * rtl.h: Remove the prototype for reg_alloc.
9377 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9380 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9381 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9382 sjlj and dwarf2 exception handling.
9383 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9384 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9385 * pa/pa.c (function_value): Treat complex and vector types as
9387 (function_arg): Likewise. Only pass scalar floats in the floating
9388 point argument registers.
9389 * pa/t-slibgcc-dwarf-ver: New file.
9390 * pa/t-slibgcc-sjlj-ver: New file.
9391 * pa/t-slibgcc-elf-ver: Delete file.
9393 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9395 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9396 unlikely_test_section_p test.
9398 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9400 * mode-switching.c (optimize_mode_switching): Make it static.
9401 * basic-block.h: Remove the prototype for
9402 optimize_mode_switching.
9404 * modulo-sched.c (sms_schedule): Make it static.
9405 * rtl.h: Remove the prototype for sms_schedule.
9407 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9408 * rtl.h: Remove the prototype for gcse_after_reload_main.
9410 * reg-stack.c (reg_to_stack): Make it static.
9411 * rtl.h: Remove the prototype for reg_to_stack.
9413 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9415 * rtl.h: Remove the prototypes for regrename_optimize and
9416 copyprop_hardreg_forward.
9418 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9420 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9421 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9422 Test against the appropriate null constant for the mode.
9423 If 'fixup_overlap' is true, swap the operands if they overlap.
9424 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9425 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9426 alpha_split_tmode_pair and adjust for above change.
9427 * config/alpha/alpha.md (movtf_internal): Adjust call to
9428 alpha_split_tfmode_pair and rely on it to swap the operands.
9429 (movti_internal): New insn and post-reload splitter.
9430 (movti): New expander.
9432 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9434 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9437 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9439 * rtlanal.c (global_reg_mentioned_p_1,
9440 global_reg_mentioned_p): Remove.
9441 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9443 * flow.c (initialize_uninitialized_subregs): Make it static.
9444 * rtl.h: Remove the prototype for
9445 initialize_uninitialized_subregs.
9447 * function.c (instantiate_virtual_regs): Make it static.
9448 * function.h: Remove the prototype for
9449 instantiate_virtual_regs.
9451 * regmove.c (regmove_optimize, combine_stack_adjustments):
9453 * rtl.h: Remove the prototypes for regmove_optimize and
9454 combine_stack_adjustments.
9456 2006-01-17 Roger Sayle <roger@eyesopen.com>
9458 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9459 (size_cost): Encode costs in bytes so that a reg-reg addition is
9460 equivalent to COSTS_N_INSNS(1).
9461 (override_options): Use the size_cost.branch_cost as the default
9462 ix86_branch_cost when optimizing for size.
9464 2006-01-18 Ben Elliston <bje@au.ibm.com>
9466 * Makefile.in (D32PBIT_FUNCS): New.
9467 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9468 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9469 D64PBIT_FUNCS and D128PBIT_FUNCS.
9470 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9471 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9473 (decnumber_dep): Define.
9474 * doc/libgcc.texi (Decimal float library routines): New node.
9475 * config/dfp-bit.h, config/dfp-bit.c: New files.
9477 2006-01-18 Ben Elliston <bje@au.ibm.com>
9479 * expr.c (emit_move_change_mode): Always adjust addresses, not
9480 just during reload. Copy replacements only during reload.
9481 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9482 emit_move_via_integer.
9484 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9486 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9487 instead of $(srcdir) and ${srcdir}.
9489 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9493 * arm.h (struct machine_function): Add pic_reg.
9494 * arm.c (arm_pic_register): Make unsigned.
9495 (arm_override_options): Only set arm_pic_register if
9496 TARGET_SINGLE_PIC_BASE.
9497 (use_return_insn): Only test for a pic register if it is fixed.
9498 (arm_compute_save_reg0_reg12_mask): Likewise.
9499 (thumb_compute_save_reg_mask): Likewise.
9500 (legitimate_pic_operand): Factor out some known invariants.
9501 (legitimize_pic_address): If we don't have a fixed pic register,
9502 then set up a pseudo in the function entry sequence. Handle the
9503 pic base being in a pseudo.
9504 (arm_load_pic_register): Handle the pic register being in a pseudo.
9505 (arm_expand_prologue): Only set up the pic register if it is fixed.
9506 (thumb_expand_prologue): Likewise.
9507 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9508 (pic_load_addr_based_insn): Likewise.
9509 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9512 2006-01-18 Ben Elliston <bje@au.ibm.com>
9514 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9515 decimal float modes for all floating point registers.
9517 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9518 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9520 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9523 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9524 even when the pointer is not NULL.
9526 2006-01-16 Ian Lance Taylor <ian@airs.com>
9528 * common.opt (ftoplevel-reorder): New option.
9529 * cgraph.c (cgraph_asm_nodes): New global variable.
9530 (cgraph_asm_last_node): New static variable.
9531 (cgraph_order): New global variable.
9532 (cgraph_create_node): Set new order field.
9533 (cgraph_varpool_node): Likewise.
9534 (decide_is_variable_needed): Return true if not
9535 flag_toplevel_reorder.
9536 (cgraph_add_asm_node): New function.
9537 * cgraph.h (struct cgraph_node): Add order field.
9538 (struct cgraph_varpool_node): Add order field.
9539 (struct cgraph_asm_node): Define.
9540 (cgraph_asm_nodes, cgraph_order): Declare.
9541 (cgraph_add_asm_node): Declare.
9542 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9544 (cgraph_varpool_assemble_pending_decls): Call it.
9545 (cgraph_output_pending_asms): New static function.
9546 (cgraph_finalize_compilation_unit): Call it.
9547 (struct cgraph_order_sort): Define.
9548 (cgraph_output_in_order): New static function.
9549 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9550 !flag_toplevel_reorder case.
9551 * c-parser.c: Include "cgraph.h".
9552 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9554 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9555 than -fno-unit-at-a-time.
9556 * doc/invoke.texi (Option Summary): Mention
9557 -fno-toplevel-reorder.
9558 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9559 -funit-at-a-time documentation.
9561 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9562 Kazu Hirata <kazu@codesourcery.com>
9564 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9566 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9568 * Makefile.in (FUNCTION_H): New. Use it instead of
9569 function.h throughout the file.
9570 * function.h: Include tree.h.
9572 2006-01-17 Ben Elliston <bje@au.ibm.com>
9574 * recog.c: Separate some functions with whitespace.
9576 2006-01-16 Richard Henderson <rth@redhat.com>
9578 Merge from gomp branch:
9579 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9580 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9581 and rename from struct inline_data. Rename callee* to dst*;
9582 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9583 transform_new_cfg, transform_return_to_modify, and
9584 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9586 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9587 (copy_decl_for_dup): Remove.
9588 * tree-inline.c (struct inline_data): Move to header.
9589 (insert_decl_map): Export.
9590 (remap_decl): Update for member name changes. Use copy_decl hook.
9591 Allow for replacement to be a non-decl. Remove dead code.
9592 (remap_type_1): Check for existing mapping.
9593 (remap_type): Export.
9594 (remap_decls): Update for member name changes.
9595 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9596 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9597 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9598 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9599 (tree_function_versioning, build_duplicate_type): Likewise.
9600 (copy_body_r): Likewise. Export.
9601 (copy_decl_for_dup): Split into ...
9602 (copy_decl_for_dup_finish, copy_decl_to_var,
9603 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9604 (replace_ref_tree, inlining_p): Remove.
9606 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9608 * ifcvt.c (if_convert): Make it static.
9609 * rtl.h: Remove the prototype for if_convert.
9611 * local-alloc.c (local_alloc): Make it static.
9612 * rtl.h: Remove the prototype for local_alloc.
9614 * loop.c (loop_optimize): Make it static.
9615 * cfgloop.h: Remove the prototype for loop_optimize.
9618 2006-01-16 DJ Delorie <dj@redhat.com>
9620 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9623 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9625 * pa.md: Disparage copies between general and floating-point registers
9626 in 32-bit move patterns.
9628 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9631 * Makefile.in (check-%): Depend on site.exp instead of
9632 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9635 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9637 * global.c (global_alloc): Make it static.
9638 * rtl.h: Remove the prototype for global_alloc.
9640 2006-01-16 Richard Guenther <rguenther@suse.de>
9642 * tree-ssa-alias.c (struct used_part): Add write_only field.
9643 (get_or_create_used_part_for): Initialize it to true.
9644 (create_overlap_variables_for): Don't create structure variables
9645 for structures that only are written to.
9646 (find_used_portions): Handle MODIFY_EXPR to track whether a
9647 structure is only written to.
9649 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9651 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9653 * basic-block.h: Remove the prototype for
9654 partition_hot_cold_basic_blocks.
9656 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9658 * cppspec.c (lang_specific_spec_functions): Remove.
9659 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9660 * gcc.h (lang_specific_spec_functions): Remove.
9661 * gccspec.c (lang_specific_spec_functions): Remove.
9663 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9665 * combine.c (record_value_for_reg): Invalidate registers
9667 (record_dead_and_set_regs_1): Likewise, by passing them to
9668 record_value_for_reg.
9669 (record_dead_and_set_regs): Invalidate stores made by a
9670 call. We do not combine across a call, but we still
9671 relied on equivalences.
9673 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9675 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9676 vrp_int_const_binop returning non-constant nodes.
9678 2006-01-16 Paul Brook <paul@codesourcery.com>
9680 * config/m68k/m68k.c (output_move_const_into_data_reg):
9681 Output correct mnemonic for mvz and mvs.
9683 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9685 * rtl-factoring.c: Add sequence abstraction algorithm.
9686 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9687 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9689 (block_has_preserve_label): New function.
9690 * common.opt: Register new pass.
9691 * Makefile.in: Ditto.
9693 * timevar.def: Ditto.
9694 * tree-pass.h: Ditto.
9695 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9696 * rtl.h (make_jump_insn_raw): Add forward decl.
9697 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9699 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9700 Roger Sayle <roger@eyesopen.com>
9702 * fold-const.c (fold_minmax): New static function.
9703 (fold_binary) <MIN_EXPR>: Call it.
9704 <MAX_EXPR>: Likewise.
9705 * stor-layout.c (place_field): Use DECL_SIZE consistently
9706 in the computation of the new record size.
9708 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9710 * cse.c (cse_condition_code_reg): Make it static.
9711 * rtl.h: Remove the prototype for cse_condition_code_reg.
9713 * combine.c (combine_instructions): Make it static.
9714 * rtl.h: Remove the prototype for combine_instructions.
9716 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9719 * tree.c (get_file_function_name_long): Concatenate the first global
9720 object name with a string derived from the input filename of the object
9723 2006-01-16 Ben Elliston <bje@au.ibm.com>
9725 * config/i386/winnt-stubs.c: Update FSF address.
9726 * config/xtensa/ieee754-df.S: Ditto.
9727 * config/xtensa/ieee754-sf.S: Ditto.
9729 2006-01-14 Ian Lance Taylor <ian@airs.com>
9731 * ifcvt.c (noce_init_if_info): New static function, broken out of
9732 noce_process_if_block.
9733 (noce_process_if_block): Call noce_init_if_info.
9734 (check_cond_move_block): New static function.
9735 (cond_move_process_if_block): New static function.
9736 (process_if_block): Call cond_move_process_if_block.
9738 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9740 * cselib.c (hash_table): Rename to cselib_hash_table.
9741 (cselib_clear_table, discard_useless_values,
9742 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9743 cselib_init, cselib_finish): Adjust uses of hash_table.
9745 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9747 PR tree-optimization/25485
9748 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9749 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9750 is known to be false and true, respectively.
9752 2006-01-14 Richard Guenther <rguenther@suse.de>
9754 PR tree-optimization/22548
9755 PR tree-optimization/22555
9756 PR tree-optimization/22501
9757 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9758 * params.def (salias-max-array-elements): New parameter.
9759 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9760 * doc/invoke.texi (salias-max-array-elements): Document.
9761 * tree-flow-inline.h (var_can_have_subvars): We also handle
9763 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9765 * tree-ssa-structalias.c (params.h): Include.
9766 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9767 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9768 (get_constraint_for): For ADDR_EXPR operating on something
9769 containing an ARRAY_REF, add all subvars to the solution.
9770 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9771 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9772 for creating MUST_DEFs.
9773 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9775 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9777 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9779 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9780 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9781 number_of_iterations_le): New functions.
9782 (number_of_iterations_special): Removed.
9783 (number_of_iterations_exit): Do not use number_of_iterations_special.
9784 * tree.c (unsigned_type_for): Always return integer type.
9786 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9787 Richard Guenther <rguenther@suse.de>
9789 PR rtl-optimization/24257
9790 * gcse.c (find_moveable_store): Only consider a store movable
9791 when the SET_SRC of the insn can be assigned to a register.
9793 2006-01-14 Ian Lance Taylor <ian@airs.com>
9795 * tree.c (tree_not_class_check_failed): New function.
9796 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9797 (tree_not_class_check_failed): Declare.
9799 2006-01-13 Ian Lance Taylor <ian@airs.com>
9801 * reload1.c (do_output_reload): Add assertion rejecting a
9804 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9806 * combine.c (struct reg_stat): Add new fields truncation_label and
9808 (record_value_for_reg): Reset truncated_to_mode.
9809 (record_truncated_value): New function.
9810 (check_promoted_subreg): Call it. Rename to check_conversions.
9811 (combine_instructions): Rename check_promoted_subreg to
9813 (reg_truncated_to_mode): New function.
9814 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9815 (gen_lowpart_or_truncate): New function.
9816 (force_to_mode): Use it instead of gen_lowpart.
9818 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9820 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9821 VAR is a tag, not its type tag.
9823 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9825 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9826 alternatives to match style of other entries.
9827 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9829 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9831 PR tree-optimization/25771
9832 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9835 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9838 * tree-inline.c (declare_return_variable): If the return variable
9839 was marked as a non gimple complex, set the return slot variable
9840 to be a non gimple comple variable.
9842 2006-01-13 Richard Guenther <rguenther@suse.de>
9844 * builtins.c (expand_builtin_sincos): New function.
9845 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9847 (expand_builtin): Expand sincos using expand_builtin_sincos.
9849 2006-01-12 DJ Delorie <dj@redhat.com>
9851 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9852 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9853 so that constant shifts can be split.
9854 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9855 (m32c_valid_pointer_mode): Make static.
9856 (shift_gen_func_for): New.
9857 (m32c_prepare_shift): Use it. Split large const shifts into
9859 * config/m32c/predicates.md (shiftcount_operand): Allow more
9861 (longshiftcount_operand): New.
9862 * doc/md.texi (Machine Constraints): Document In6.
9864 2006-01-13 Ben Elliston <bje@au.ibm.com>
9866 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9867 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9870 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9872 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9873 to try to avoid clobbering pieces of structures when we know
9874 something about the whole structure.
9875 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9877 2006-01-13 Ben Elliston <bje@au.ibm.com>
9879 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9880 return in memory, as this is no limitation is no longer present.
9882 2006-01-12 DJ Delorie <dj@redhat.com>
9884 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9885 mova with fb, and for fb+0 -> An.
9887 * config/m32c/mov.md (peephole2): Fix enabling logic.
9889 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9890 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9891 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9892 FINI_ARRAY_SECTION_ASM_OP): Define.
9894 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9896 (m32c_legitimize_reload_address): New logic to reload FB to An.
9897 (m32c_output_reg_push): Add newline.
9898 (m32c_output_reg_pop): Likewise.
9900 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9902 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9904 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9906 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9908 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9910 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9913 2006-01-11 Ben Elliston <bje@au.ibm.com>
9915 * rtlanal.c (find_reg_note): Assert insn is not null.
9917 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9919 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9922 2006-01-11 Jeff Law <law@redhat.com>
9924 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9926 (mark_threaded_blocks, register_jump_thread): New functions.
9927 (thread_through_all_blocks): Remove unwanted argument. No
9928 longer rely on e->aux to communicate thread target info.
9929 Call mark_threaded_blocks. Release the threaded_blocks
9930 bitmap and threaded_edges vector when complete.
9931 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9932 (threaded_blocks): Remove.
9933 (tree_ssa_dominator_optimize): Remove initialization and
9934 finalization of threaded_blocks. Simplify call to
9935 thread_through_all_blocks.
9936 (thread_across_edge): Call register_jump_thread rather than
9937 storing thread information into e->aux.
9938 (free_all_edge_infos): Simplify now that e->aux is no longer
9939 used to communicate with thread_through_all_blocks.
9940 * tree-flow.h (thread_through_all_blocks): Update prototype.
9941 (register_jump_thread): Prototype.
9943 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9945 * df-core.c (df_compact_blocks, df_bb_replace): Use
9946 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9948 2006-01-11 Richard Guenther <rguenther@suse.de>
9950 PR tree-optimization/25734
9951 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9952 stop propagation after successful propagation to the LHS.
9954 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9956 * basic-block.h (control_flow_graph): Change the type of
9957 x_basic_block_info to VEC(basic_block,gc) *.
9958 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9960 (SET_BASIC_BLOCK): New.
9961 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9962 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9963 * cfgbuild.c (find_basic_blocks): Likewise.
9964 * cfglayout.c (fixup_reorder_chain): Likewise.
9965 * cfgrtl.c (create_basic_block_structure,
9966 rtl_create_basic_block): Likewise.
9967 * ifcvt.c (find_if_case_1): Likewise.
9968 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9971 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9973 * Makefile.in: Removed rotted odf.c entry.
9975 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9978 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9979 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9980 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9981 output pattern modifier, not %e.
9982 * config/cris/cris.c (cris_op_str): Update comment about pattern
9984 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9985 before falling through into...
9986 <case 'E'>: Redefined from old 'e' case.
9988 2006-01-11 Jan Hubicka <jh@suse.cz>
9991 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9993 2006-01-11 Jan Hubicka <jh@suse.cz>
9995 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9996 * i386.c (x86_decompose_lea): Kill.
9997 (ix86_rtx_costs): Kill.
9999 2006-01-11 Jan Hubicka <jh@suse.cz>
10001 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10002 * cgraph.h (cgraph_node): Add inline_decl.
10003 (cgraph_insert_node_to_hashtable): Declare.
10004 (save_inline_function_body): Declare.
10005 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10007 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10008 (cgraph_function_versioning): Update call of tree_function_versioning.
10009 (save_inline_function_body): New function.
10010 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10011 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10012 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10013 (cgraph_default_inline_p): Likewise.
10014 (cgraph_decide_inlining_incrementally): Likewise.
10015 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10016 (copy_bb): Kill saving; do updating of clones.
10017 (copy_cfg_body): Kill saving.
10018 (initialize_inlined-parameters): Likewise.
10019 (expand_call_inline): Likewise.
10021 (tree_function_versioning): New parameter "update_clones".
10022 (inlining_p): Kill saving.
10023 * tree-inline.h (tree_function_versioning): Update prototype.
10024 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10027 2006-01-11 Ian Lance Taylor <ian@airs.com>
10029 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10030 Allow undoing set of machine mode.
10031 (do_SUBST): Use enums instead of is_int.
10032 (do_SUBST_MODE): New function.
10033 (SUBST_MODE): New macro.
10034 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10035 reg and trying to replace reg_regno_rtx with a new register.
10036 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10037 (simplify_set): Use SUBST_MODE.
10038 (distribute_notes): Remove code that tried to update reg notes
10039 for regno_reg_rtx changes.
10041 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10043 PR tree-optimization/23109
10044 PR tree-optimization/23948
10045 PR tree-optimization/24123
10047 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10048 * tree-cfg.c (single_noncomplex_succ): New.
10049 * tree-flow.h (single_noncomplex_succ): Declare it.
10050 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10051 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10052 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10053 insert_bb, register_division_in, insert_reciprocals,
10054 replace_reciprocal, free_bb): New.
10055 (execute_cse_reciprocals_1): Rewritten.
10056 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10057 Do not commit any edge insertion. Always compute dominators and
10058 create the allocation pool.
10059 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10060 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10061 * targhooks.c (default_min_divistions_for_recip_mul): New.
10062 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10063 * passes.c (init_optimization_passes): Run recip after tree loop
10065 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10067 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10068 Kenneth Zadeck <zadeck@naturalbridge.com>
10070 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10071 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10072 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10073 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10074 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10075 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10076 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10077 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10078 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10079 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10080 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10081 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10082 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10083 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10084 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10085 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10086 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10087 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10088 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10089 DF_SCAN_POST_ALLOC): New macros.
10090 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10091 df_free_bb_function, df_local_compute_function, df_init_function,
10092 df_dataflow_function, df_confluence_function_0,
10093 df_confluence_function_n, df_transfer_function,
10094 df_finalizer_function, df_free_function, df_dump_problem_function,
10095 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10096 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10097 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10098 df_urec_bb_info, ) New types.
10099 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10101 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10102 df_analyze_simple_change_some_blocks,
10103 df_analyze_simple_change_one_block, df_compact_blocks,
10104 df_bb_replace, df_bb_regno_last_use_find,
10105 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10106 df_insn_regno_def_p, df_find_def, df_find_use,
10107 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10108 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10109 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10110 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10111 debug_df_chain, df_get_dependent_problem, df_chain_create,
10112 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10113 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10114 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10115 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10116 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10117 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10118 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10119 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10120 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10121 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10122 df_reorganize_refs, df_set_state, df_hard_reg_init,
10123 df_read_modify_subreg_p) New public functions.
10124 * df-core.c: The core dataflow solver and glue routines for rtl
10126 (df_init, df_add_problem, df_set_blocks, df_finish,
10127 df_hybrid_search_forward, df_hybrid_search_backward,
10128 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10129 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10130 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10131 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10132 df_reg_defined, df_find_use, df_reg_used, df_dump,
10133 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10134 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10135 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10136 debug_df_useno, reset_df_after_reload): New functions.
10137 * df-scan.c: The scanning fuctions, once in df.c, completely
10138 rewritten so that they now fully model the functionality of
10139 register usage at the backend.
10140 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10141 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10142 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10143 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10144 df_get_artificial_defs, df_get_artificial_uses,
10145 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10146 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10147 df_refs_delete, df_reorganize_refs, df_set_state,
10148 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10149 df_def_record_1, df_defs_record, df_uses_record,
10150 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10151 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10152 df_record_exit_block_uses, df_hard_reg_init): New functions.
10154 * df-problems.c: Seven concrete dataflow problems that use the
10155 scanning in df-scan.c and are solved by the engine in df-core.c.
10156 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10157 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10158 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10159 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10160 df_ru_free_bb_info, df_ru_alloc,
10161 df_ru_bb_local_compute_process_def,
10162 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10163 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10164 df_ru_transfer_function, df_ru_free, df_ru_dump,
10165 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10166 df_rd_free_bb_info, df_rd_alloc,
10167 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10168 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10169 df_rd_transfer_function, df_rd_free, df_rd_dump,
10170 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10171 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10172 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10173 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10174 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10175 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10176 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10177 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10178 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10179 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10180 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10181 df_urec_mark_reg_use_for_earlyclobber,
10182 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10183 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10184 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10185 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10186 df_chain_create_bb_process_use, df_chain_create_bb,
10187 df_chain_finalize, df_chain_free, df_chains_dump,
10188 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10189 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10190 df_reg_lifetime): New functions.
10191 * df.c: Deleted file.
10192 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10193 consistent with new df api.
10194 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10195 rest_of_handle_sms): Ditto.
10196 * web.c (unionfind_union, union_defs, entry_register, web_main):
10198 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10199 invariant_expr_equal_p, find_defs, check_dependencies,
10200 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10201 free_inv_motion_data, move_loop_invariants): Ditto.
10202 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10203 Update dependencies.
10204 (odf.c): Added defective entry that was deleted later in day.
10205 * sched-deps.c (sched_analyze_1): Ditto.
10207 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10209 * tree-ssa-operands.c (get_expr_operands): Record addressable
10210 variables directly. Do not call add_stmt_operands for CONST_DECLs
10212 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10213 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10215 2006-01-11 Ben Elliston <bje@au.ibm.com>
10217 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10218 function returns true in the positive case.
10220 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10223 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10224 for SI, DI, SF and DF modes. Add alternatives to copy between
10225 general and floating point registers to the 32-bit patterns.
10226 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10227 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10228 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10229 generating 64-bit code.
10230 * config/pa/pa.c (output_move_double): Handle copies between general
10231 and floating registers.
10233 2006-01-10 Stuart Hastings <stuart@apple.com>
10235 * config/i386/i386.md (set_got): Update.
10236 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10237 (builtin_setjmp_receiver): Mach-O support.
10238 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10239 (GOT_SYMBOL_NAME): Define.
10240 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10241 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10242 * config/i386/i386.c (override_options): Revise for Darwin.
10243 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10244 support. (darwin_x86_file_end): New. (output_set_got): Add label
10245 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10246 * config/i386/i386-protos.h (output_set_got): Likewise.
10247 * config/darwin.c (machopic_legitimize_pic_address): Update
10250 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10252 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10253 when MODE isn't BLKmode.
10255 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10257 PR rtl-optimization/25367
10258 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10260 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10263 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10264 for a negative bound.
10266 2006-01-10 Richard Guenther <rguenther@suse.de>
10268 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10269 Never override with anything constraint.
10271 2006-01-10 Jan Beulich <jbeulich@novell.com>
10273 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10274 256 bits when optimize_size.
10276 2006-01-10 Jan Beulich <jbeulich@novell.com>
10278 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10280 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10281 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10284 2006-01-10 Ben Elliston <bje@au.ibm.com>
10286 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10288 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10289 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10290 (USE_FP_FOR_ARG): Reject decimal float modes.
10291 (function_arg_advance): Likewise.
10292 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10293 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10294 point types in AltiVec vectors.
10295 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10296 (rs6000_libcall_value): Likewise.
10298 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10300 * config/xtensa/ieee754-df.S: New file.
10301 * config/xtensa/ieee754-sf.S: New file.
10302 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10303 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10304 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10306 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10308 * config/sh/predicates.md (binary_float_operator,
10309 binary_logical_operator, commutative_float_operator,
10310 equality_comparison_operator, greater_comparison_operator,
10311 less_comparison_operator, logical_operator,
10312 noncommutative_float_operator, shift_operator,
10313 symbol_ref_operand, unary_float_operator): Remove redundant
10316 2006-01-09 Jeff Law <law@redhat.com>
10318 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10319 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10320 now unused arguments. Callers updated.
10321 (eliminate_redundant_computations): Remove now unused arguments,
10323 (local_fold): Remove, no longer used.
10324 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10326 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10327 (simplify_cond): New function.
10328 (forward_propagate_into_cond): Call simplify_cond.
10330 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10332 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10333 (*vec_extractv2di_1_sse): New.
10335 2006-01-09 Ben Elliston <bje@au.ibm.com>
10337 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10339 2006-01-08 Richard Guenther <rguenther@suse.de>
10341 * tree-ssa-structalias.c (get_constraint_for): Remove
10342 anyoffset argument.
10343 (get_constraint_for_component_ref): Likewise.
10344 (do_deref): Likewise.
10345 (get_constraint_for): Likewise.
10346 (do_structure_copy): Likewise.
10347 (handle_ptr_arith): Likewise.
10348 (find_func_aliases): Likewise. Remove unused need_anyoffset
10351 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10352 Kaz Kojima <kkojima@gcc.gnu.org>
10354 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10355 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10356 (EXTRA_CONSTRAINT_C16): Remove.
10357 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10358 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10359 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10360 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10361 constants of SHmedia. Handle nested constant expressions of
10363 (andcosts): Fix the costs for SHmedia constants.
10364 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10365 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10366 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10367 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10368 (movv4hi_i, movv2si_i): Likewise.
10369 (movsi_const): Adjust the second operand of ior so to match with
10370 the Csu constraint.
10371 (movdi_const, movdi_const_32bit): Likewise.
10372 (movdi_const_16bit+1): Don't sign-extend LOW.
10373 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10375 (*double_shori): Fix the split condition. Use GEN_INT instead
10376 of get_int_mode calls. Mask lower 16-bit of the argument of
10378 (sym2GOTPLT): Remove.
10379 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10381 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10382 instead of EXTRA_CONSTRAINT_C16.
10384 2006-01-07 Ian Lance Taylor <ian@airs.com>
10385 David Edelsohn <edelsohn@gnu.org>
10387 PR rtl-optimization/25662
10388 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10389 for constant operands instead of simplify_gen_binary.
10390 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10391 after trying simplify_binary_operation
10393 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10395 * tree.c (iterative_hash_expr): Hash decls based on UID.
10397 2006-01-06 Eric Christopher <echristo@apple.com>
10399 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10400 (TARGET_UNWIND_EMIT): Fix spelling.
10401 * target.h (gcc_target): Add except_table_label.
10402 * except.c (output_function_exception_table): Use.
10403 * varasm.c (default_emit_except_table_label): New.
10404 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10406 (asm_out): Add here.
10407 * output.h (default_emit_except_table_label): Prototype.
10408 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10409 * config/darwin.c (darwin_emit_except_table_label): Define.
10410 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10412 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10414 PR tree-optimization/18527
10415 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10416 number_of_iterations_special, number_of_iterations_exit):
10417 Move base and step of an iv to a single structure. Add
10418 no_overflow flag, and use it in # of iterations analysis.
10419 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10420 folded_casts argument.
10421 (simple_iv): Pass base and step in a structure. Set no_overflow
10423 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10424 Evaluate expensiveness of computing # of iterations instead of
10425 the final expression.
10426 * tree-scalar-evolution.h (affine_iv): New structure.
10427 (simple_iv): Declaration changed.
10428 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10429 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10430 find_givs_in_stmt): Changed due to simple_iv change.
10432 2006-01-06 Jeff Law <law@redhat.com>
10435 * tree-cfg.c (bsi_replace): Rename final argument from
10436 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10437 change (stmt -> orig_stmt).
10438 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10439 (bsi_remove): Add new argument. Remove EH information
10441 (verify_eh_throw_table_statements): New function.
10442 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10444 * tree-optimize.c (execute_free_cfg_annotations): Verify
10445 the EH throw statement table after removing annotations.
10446 * except.h (verify_eh_throw_table_statements): Prototype.
10447 * tree-flow.h (bsi_remove): Update prototype.
10448 * tree-vrp.c (remove_range_assertions): Add new argument to
10450 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10451 * tree-complex.c (expand_complex_div_wide): Likewise.
10452 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10453 * tree-tailcall.c (eliminate_tailcall): Likewise.
10454 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10455 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10456 * tree-nrv.c (tree_nrv): Likewise.
10457 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10458 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10459 (combine_blocks): Likewise.
10460 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10461 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10462 (cleanup_control_flow): Likewise.
10463 (remove_forwarder_block): Likewise.
10464 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10465 * tree-sra.c (sra_replace): Likewise.
10466 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10467 (forward_propagate_single_use_vars): Likewise.
10468 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10469 * tree-inline.c (expand_call_inline): Likewise.
10470 * tree-vect-transform.c (vect_transform_loop): Likewise.
10471 * tree-outof-ssa.c (rewrite_trees): Likewise.
10472 * tree-cfg.c (make_goto_expr_edges): Likewise.
10473 (cleanup_dead_labels): Likewise.
10474 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10475 (bsi_move_before, bsi_move_after): Likewise.
10476 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10477 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10479 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10482 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10484 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10485 on non gimple variables. Also add checks at the top for decls and
10487 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10489 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10490 and IMAGPART_EXPR for creating MUST_DEFs.
10491 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10492 and NAME_MEMORY_TAG separately from the DECLs.
10494 2006-01-06 Richard Guenther <rguenther@suse.de>
10496 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10497 annotation, if necessary.
10498 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10499 redundant calls to update_stmt.
10500 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10503 2006-01-05 Richard Henderson <rth@redhat.com>
10505 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10507 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10509 * c-typeck.c: Update copyright date.
10511 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10513 * c-typeck.c (build_c_cast): Always warn when casting
10514 from a pointer to an integer of different size, even if
10515 the node was constant.
10517 2006-01-05 Richard Guenther <rguenther@suse.de>
10519 PR tree-optimization/22555
10520 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10521 if one structure field is an array.
10522 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10523 operands even if we found a subvar, but ignore VOPs in this
10525 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10527 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10529 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10531 PR middle-end/24998
10532 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10534 2006-01-05 Richard Guenther <rguenther@suse.de>
10535 Diego Novillo <dnovillo@redhat.com>
10537 * tree-pass.h (TODO_remove_unused_locals): Define.
10538 * gimple-low.c (expand_var_p, remove_useless_vars,
10539 pass_remove_useless_vars): Remove. Update all users.
10540 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10541 (remove_unused_locals): New function.
10542 * tree-flow.h (remove_unused_locals): Declare.
10543 * passes.c (execute_todo): Call remove_unused_locals if
10544 TODO_remove_unused_locals is set.
10545 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10546 * tree-ssa-dce.c (pass_dce): Likewise.
10547 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10549 2006-01-05 Richard Guenther <rguenther@suse.de>
10551 * tree-flow.h (struct fieldoff): Decompose field to
10552 type, size and decl.
10553 * tree-ssa-alias.c (create_sft): Take type as parameter.
10554 (create_overlap_variables_for): Store type, size and decl
10555 in the fieldoff structure.
10556 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10557 of struct fieldoff.
10558 (push_fields_onto_fieldstack): Likewise.
10559 (create_variable_info_for): Likewise. Use offset for the
10560 SFT name if the decl is not available.
10562 2006-01-04 Paul Brook <paul@codesourcery.com>
10564 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10566 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10568 * lambda-code.c (can_put_in_inner_loop): Relax
10570 (can_put_after_inner_loop): New function.
10571 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10572 (perfect_nestify): Change to make copies and modify uses.
10574 2006-01-04 Richard Henderson <rth@redhat.com>
10576 Merge from gomp branch:
10577 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10578 via integer constant.
10579 (pragma_lex): Remove.
10580 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10581 rather than parsing it.
10582 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10583 handle_pragma_extern_prefix): Add %< %> quotes.
10584 (registered_pragmas): New.
10585 (c_register_pragma_1): New.
10586 (c_register_pragma): Use it.
10587 (c_register_pragma_with_expansion): Likewise.
10588 (c_invoke_pragma_handler): New.
10589 (init_pragma): Use cpp_register_deferred_pragma directly for
10591 * c-pragma.h (enum pragma_kind): New.
10592 (pragma_handler): New.
10593 (c_invoke_pragma_handler): Declare.
10594 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10596 * c-common.h (c_common_pch_pragma): Update decl.
10597 * Makefile.in (c-parser.o): Update dependencies.
10598 (GTFILES): Add c-pragma.h.
10599 * c-parser.c (struct c_token): Add pragma_kind.
10600 (struct c_parser): Add in_pragma.
10601 (c_lex_one_token): Always initialize keyword and pragma_kind.
10602 Extract data for CPP_PRAGMA.
10603 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10604 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10605 Don't allow CPP_PRAGMA_EOL if in_pragma.
10606 (c_parser_consume_pragma): New.
10607 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10608 (c_parser_skip_to_end_of_parameter): Likewise.
10609 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10610 (c_parser_skip_to_pragma_eol): New.
10611 (c_parser_external_declaration): Handle CPP_PRAGMA.
10612 (c_parser_compound_statement_nostart): Likewise.
10613 (c_parser_statement_after_labels): Likewise.
10614 (c_parser_pragma): New.
10615 (pragma_lex): Likewise.
10616 (c_parser_pragma_pch_preprocess): New.
10617 (c_parser_new): Merge into ...
10618 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10620 2006-01-04 Jeff Law <law@redhat.com>
10623 * tree-cfg.c (bsi_replace): Remove the original statement
10624 from the EH throw statement table.
10626 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10628 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10629 make the prototype extern "C" and add throw ().
10632 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10633 and pos non-negative and pos + len <= 32.
10634 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10635 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10636 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10639 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10640 as well as sizes not multiple of component size.
10643 * function.c (instantiate_expr): New function.
10644 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10645 walk its DECL_VALUE_EXPR with instantiate_expr.
10647 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10648 DW_OP_deref{,_size} if address isn't going to be added.
10650 2006-01-04 Ben Elliston <bje@au.ibm.com>
10652 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10653 * config/fp-bit.c: Likewise.
10655 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10657 * dominance.c: Add comment about why we use DFS numbering
10660 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10661 Richard Henderson <rth@redhat.com>
10663 Merge from gomp-branch:
10664 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10665 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10667 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10669 PR rtl-optimization/25578
10670 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10671 pass a parameter to simplify_shift_const if changing ASHIFTRT
10674 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10676 * builtins.c (get_builtin_sync_mem): New function.
10677 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10678 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10679 Call get_builtin_sync_mem to generate mem rtx.
10681 2006-01-03 Richard Guenther <rguenther@suse.de>
10684 * stmt.c (add_case_node): Make sure to clear overflow flags
10687 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10689 Merge from gomp-branch.
10690 * config/sparc/sync.md: New file.
10691 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10692 UNSPECV_LDSTUB): New constants.
10693 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10694 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10695 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10698 2006-01-03 Roger Sayle <roger@eyesopen.com>
10700 * combine.c (reg_subword_p): New predicate to test whether the
10701 destination of a set refers to a subword/piece of a register.
10702 (try_combine): Generalize the code to merge the setting of a
10703 pseudo to a constant followed by a set of a subword of that
10704 register to a constant.
10706 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10708 * basic-block.h (control_flow_graph): Change the type of
10709 x_label_to_block_map to VEC(basic_block,gc) *.
10710 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10711 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10713 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10714 VEC(basic_block,heap) *.
10715 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10716 ssa_prop_fini): Adjust the uses of cfg_blocks.
10718 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10720 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10722 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10723 hashing trees instead of a pointer hash.
10724 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10725 compare for MEM_EXPR.
10727 PR rtl-optimization/25130
10728 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10729 when comparing MEMs for GCSE
10731 2006-01-03 Ben Elliston <bje@au.ibm.com>
10733 * targhooks.h (default_decimal_float_supported_p): Declare.
10734 * targhooks.c (default_decimal_float_supported_p): Define.
10735 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10736 `default_decimal_float_supported_p'.
10737 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10739 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10741 * combine.c (apply_distributive_law <SUBREG>): Check
10742 TRULY_NOOP_TRUNCATION.
10744 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10746 * dwarf2out.c (have_switched_text_section): Delete.
10747 (have_multiple_function_sections): New.
10748 (have_location_lists): Make 'bool'.
10749 (add_AT_loc_list): Use 'true' not '1'.
10750 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10751 (output_loc_list): Use have_multiple_function_sections.
10752 (output_ranges): Likewise.
10753 (dwarf2out_begin_function): Set have_multiple_function_sections if
10755 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10756 Check function_section rather than DECL_SECTION_NAME.
10757 (dwarf2out_finish): Use have_multiple_function_sections.
10758 Don't clear have_location_lists.
10760 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10761 Jan Hubicka <jh@suse.cz>
10763 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10764 case of conditional jump jumping to the next instruction.
10765 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10766 cases of conditional jump jumping to the next instruction.
10768 2006-01-02 Jan Hubicka <jh@suse.cz>
10770 * i386.c (*_cost): Add COSTS_N_INSNS.
10771 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10773 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10776 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10778 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10780 * config/arm/arm.c (all_fpus): Fix comment typo.
10781 * config/darwin.c: Likewise.
10782 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10783 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10784 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10786 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10788 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10789 (rs6000_split_compare_and_swapqhi): New.
10790 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10791 (sync_compare_and_swapqhi_internal): New.
10792 * config/rs6000/rs6000-protos.h: Declare.
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