1 2006-05-10 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/27532
4 * tree-object-size.c (plus_expr_object_size): Fix typo.
6 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
10 ashrdi_const, ashrdi3): Use a scratch register.
12 2006-05-10 Richard Guenther <rguenther@suse.de>
14 PR tree-optimization/27302
15 * fold-const.c (operand_equal_p): For two comparisons,
16 try comparison of one comparison code swapped if that yields
19 2006-05-10 Ben Elliston <bje@au.ibm.com>
21 * tree-pretty-print.c (pretty_print_string): No need to handle
22 '\0' as a special character.
24 * tree.h: Include "hashtab.h".
25 (iterative_hash_expr): Use hashval_t in its prototype.
26 * Makefile.in (TREE_H): Add $(HASHTAB_H).
28 2006-05-09 Steve Ellcey <sje@cup.hp.com>
31 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
32 (hppa*64*-*-hpux11*): Ditto.
33 (hppa[12]*-*-hpux11*): Ditto.
35 2006-05-09 David Edelsohn <edelsohn@gnu.org>
38 * config/rs6000/aix41.h (TARGET_64BIT): Define.
40 2006-05-09 Michael Matz <matz@suse.de>
42 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
43 host_extra_gcc_objs and host_xmake_file.
44 (<*-*-linux*>): Don't overwrite host_xmake_file.
45 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
46 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
47 (host_detect_local_cpu): Declare.
48 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
49 * config/i386/i386.c (override_options): Handle -mtune=native
51 * config/i386/x-i386: New file.
52 * config/i386/driver-i386.c: New file.
53 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
56 2006-05-09 Dirk Mueller <dmueller@suse.de>
57 Richard Guenther <rguenther@suse.de>
60 * fold-const.c (fold_read_from_constant_string): Relax check
61 for matching types to matching modes.
63 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
65 PR rtl-optimization/27335
66 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
69 2006-05-08 Chao-ying Fu <fu@mips.com>
70 Richard Sandiford <richard@codesourcery.com>
72 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
73 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
74 * config/mips/mips.md (UNSPEC_SCC): New constant.
75 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
76 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
77 (mips_emit_compare): Use it.
78 (mips_expand_vcondv2sf): New function.
80 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
82 Fix PR tree-optimization/27093
83 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
84 renaming when they become not-used_alone.
86 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
88 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
89 relocation and relocation stubs.
91 2006-05-08 Eric Christopher <echristo@apple.com>
93 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
96 2006-05-08 Jan Hubicka <jh@suse.cz>
99 * cgraphunit.c (decide_is_function_needed): When not optimizing even
100 unused static functions are needed.
102 2006-05-08 Roger Sayle <roger@eyesopen.com>
105 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
106 of a reg_equiv_constant if the result is a legitimate constant.
108 2006-05-08 Uros Bizjak <uros@kss-loka.si>
111 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
112 standard 80387 constants, raise the cost to prevent
113 compress_float_constant() to generate load from memory.
115 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
117 * config/arm/constraints.md (c): Fix a typo.
119 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
122 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
125 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
127 (_mm_mwait): Likewise.
129 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
131 (sse3_monitor): Make it 32bit only.
132 (sse3_monitor64): New. 64bit monitor.
134 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
137 * config/i386/i386.c (classify_argument): Skip fields with invalid
140 2006-05-07 Richard Guenther <rguenther@suse.de>
142 PR tree-optimization/27409
143 * tree-ssa-structalias.c (get_constraint_for_component_ref):
144 Do not try to find zero-sized subvars.
146 2006-05-07 Richard Guenther <rguenther@suse.de>
148 PR tree-optimization/27136
149 * tree-ssa-loop-niter.c (get_val_for): Correct function
150 comment, assert requirements.
151 (loop_niter_by_eval): Stop processing if the iterated
152 value did not simplify.
154 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
156 * opts.c (flag_see): remove its setting at -O3.
158 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
160 * genpeep.c (main): Make insn-peep.c depend on flags.h.
161 * arm/constraints.md: New file.
162 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
163 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
164 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
165 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
166 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
167 (EXTRA_MEMORY_CONSTRAINT): Likewise.
168 * arm.md: Include constraints.md.
169 (thumb_movsi_insn): Use satisfies_constraint_J.
170 (movhi, movqi): Use satisfies_constraint_I.
172 2006-04-29 Anatoly Sokolov <aesok@post.ru>
174 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
175 for atmeg a645 device.
177 2006-05-06 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/27151
180 * tree-vect-transform.c (vectorizable_condition): Punt on
181 values that have a different type than the condition.
183 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
186 * c-parser.c (c_parser_cast_expression): Only insert casts into
187 hash table if pointer.
188 * function.c (used_types_insert_helper): Rename from
190 (used_types_insert): Call used_types_insert_helper.
191 * function.h (used_types_insert): Accept only one argument.
193 2006-05-05 David Edelsohn <edesohn@gnu.org>
195 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
196 scratch with output modifier.
198 2006-05-04 David Edelsohn <edelsohn@gnu.org>
201 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
202 with output modifier.
204 2006-05-04 Richard Sandiford <richard@codesourcery.com>
207 * config/mips/mips.c (mips_symbolic_address_p): Return true
208 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
209 SYMBOL_GOTTPREL, and SYMBOL_TLS.
211 2006-05-04 Richard Guenther <rguenther@suse.de>
213 PR tree-optimization/14287
214 PR tree-optimization/14844
215 PR tree-optimization/19792
216 PR tree-optimization/21608
217 PR tree-optimization/27090
218 * tree-ssa-pre.c (try_combine_conversion): New function.
219 (compute_avail): After constructing the value-handle
220 expression, use try_combine_conversion to combine NOP_EXPRs
221 with previous value-handle expressions and use the result if it
224 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
226 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
228 2006-05-04 Jan Hubicka <jh@suse.cz>
231 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
233 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
235 * config/bfin/predicates.md (const01_rtx): Tell generator programs
236 that this only matches CONST_INTs. All users changed to VOIDmode
239 * config/bfin/bfin.c: Include "optabs.h".
240 (bfin_rtx_costs): Some costs for vector operations, to allow combine
242 (enum bfin_builtins): Add a number of fractional and vector builtins.
243 (bfin_init_builtins): Likewise.
244 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
245 (safe_vector_operand, bfin_expand_binop_builtin,
246 bfin_expand_unop_builtin): New functions.
247 (bfin_expand_builtin): Handle the new builtins.
248 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
251 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
254 * Makefile.in (OBJS-common): Add see.o.
255 (see.o): Add dependencies.
256 * common.opt (fsee): New flag for the see optimization was added.
257 * opts.c (flag_see): Initialized.
258 * passes.c (init_optimization_passes, pass_see): New pass.
259 * rtl.h (see_main): Declaration as extern.
260 * timevar.def (TV_SEE): New.
261 * tree-pass.h (pass_see): Declaration as extern.
262 * invoke.texi (-fsee): Document.
263 * recog.c (validate_simplify_insn): New function.
264 * recog.h (validate_simplify_insn): Declaration as extern.
265 * df-problems.c (df_chain_dump): Check for NULL.
267 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
268 Daniel Berlin <dberlin@dberlin.org>
270 * cfgrtl.c (insert_insn_bb_end_new): New function.
271 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
273 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
275 * df.h (struct web_entry): Moved from web.c.
276 (union_defs): Declaration as extern.
277 (unionfind_root): Likewise.
278 (unionfind_union): Likewise.
279 * web.c (struct web_entry): Moved to df.h.
280 (unionfind_root): Remove static declaration.
281 (unionfind_union): Likewise.
282 (union_defs): Likewise and generalize to use callback function.
283 (web_main): Update arguments for union_defs function call.
285 2006-05-04 Richard Guenther <rguenther@suse.de>
287 PR tree-optimization/26447
288 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
289 produce SSA_NAME copies before the store stmt to avoid
290 breaking exception handling.
292 2006-05-04 Jakub Jelinek <jakub@redhat.com>
295 * gimplify.c (omp_is_private): If var is shared in some outer context,
296 return false instead of true. Stop searching on parallel context
299 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
302 * coverage.c: Use get_gcov_unsigned_t() instead of
303 unsigned_type_node all over.
305 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
307 PR tree-optimization/27381
308 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
309 maintain the same immediate_use links.
310 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
311 node rather than segfaulting.
313 2006-05-03 Jakub Jelinek <jakub@redhat.com>
316 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
317 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
318 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
320 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
322 Fix PR tree-optimization/26626
323 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
325 * tree-ssa-operands.c (access_can_touch_variable): Allow
326 typecasting through union pointers.
328 2006-05-02 Jakub Jelinek <jakub@redhat.com>
331 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
332 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
333 to find if var will be a global variable even in the nested context.
334 (omp_copy_decl): Only check for global variable at the end, it might
335 be overridden in outer contexts.
336 (scan_sharing_clauses): For global variables don't create a field.
337 (lower_rec_input_clauses): Do nothing for global shared variables.
338 Emit a barrier at the end of ILIST if there were any decls in both
339 firstprivate and lastprivate clauses.
340 (lower_send_clauses): Do nothing for global variables except for
343 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
345 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
346 of the correct signedness is returned.
348 2006-05-02 Jeff Law <law@redhat.com>
350 PR tree-optimization/27364
351 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
352 multiply expressions.
354 2006-05-02 Tom Tromey <tromey@redhat.com>
356 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
358 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
361 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
362 -mthumb -fPIC are used.
364 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
365 Joshua Kinard <kumba@gentoo.org>
368 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
369 with 64-bit pointers.
371 2006-05-02 Paul Brook <paul@codesourcery.com>
373 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
375 (create_fix_barrier): Check that a suitable barrier location is
377 (arm_reorg): Include ftmp->address in allowable range of addresses.
379 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
382 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
385 2006-05-02 Jakub Jelinek <jakub@redhat.com>
388 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
389 around RESULT_DECL for result passed by reference.
390 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
391 * omp-low.c (use_pointer_for_field): Don't look at
392 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
393 (scan_omp_1): Call remap_decl on RESULT_DECLs.
394 (lower_rec_input_clauses): Don't allocate VLA memory for the second
395 time or var for passing by reference for
396 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
397 TREE_ADDRESSABLE variables when passing by reference.
399 * omp-low.c (dump_omp_region): Fix output formatting.
402 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
403 (expand_omp_parallel): Likewise.
404 * tree-cfg.c (move_sese_region_to_fn): Likewise.
407 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
408 on statement list containing also constructors and destructors.
409 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
412 * except.c (duplicate_eh_regions): Fix clearing of
413 cfun->eh->region_array entries.
415 2006-05-01 DJ Delorie <dj@redhat.com>
417 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
419 (gcc_cv_objdump): Likewise.
420 * configure: Regenerated.
422 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
425 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
426 templates for case 3 and 4.
428 2006-05-01 DJ Delorie <dj@redhat.com>
430 * vec.c: Include bconfig.h when appropriate.
431 * Makefile.in (build/vec.o): Adjust dependencies.
432 * mkconfig.sh: Make sure config.h isn't used for build machine
435 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
437 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
439 (mark_phi_for_rewrite): New function.
440 (insert_phi_nodes_for, mark_use_interesting): Call
441 mark_phi_for_rewrite.
442 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
443 (update_ssa): Initialize and free phis_to_rewrite.
445 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
447 PR rtl-optimization/27291
448 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
449 folded to a constant.
451 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
453 PR tree-optimization/27283
454 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
455 not whole # of iteration descriptions.
456 (niter_for_exit): Return just # of iterations. Fail if # of iterations
457 uses abnormal ssa name.
458 (niter_for_single_dom_exit): Ditto.
459 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
460 return just the number of iterations.
462 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
464 PR tree-optimization/27144
465 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
466 (record_estimate): Only record constant upper bound.
467 (infer_loop_bounds_from_undefined): Call
468 compute_estimated_nb_iterations just once.
469 (proved_non_wrapping_p): Renamed to ...
470 (n_of_executions_at_most): ... this. Expect bound to be a constant.
471 (convert_step_widening, scev_probably_wraps_p): Call
472 n_of_executions_at_most instead of proved_non_wrapping_p.
473 (substitute_in_loop_info): Do not replace values in bounds.
474 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
477 2006-05-01 Richard Henderson <rth@redhat.com>
480 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
481 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
484 2006-05-01 Roger Sayle <roger@eyesopen.com>
486 * c-typeck.c (parser_build_binary_op): Don't call the function
487 unsigned_conversion_warning to spot operand/result type overflow.
488 (build_binary_op): Instead, call convert_and_check instead of
489 convert to report the problem when the operands are promoted.
490 * c-common.c (unsigned_conversion_warning): Make static.
491 * c-common.h (unsigned_conversion_warning): Delete prototype.
493 2006-05-01 Richard Guenther <rguenther@suse.de>
495 PR tree-optimization/26726
496 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
498 (find_interesting_uses_address): ... we work around here
499 by folding INDIRECT_REFs in the substituted base.
501 2006-05-01 Diego Novillo <dnovillo@redhat.com>
503 * omp-low.c (dump_omp_region): Add newlines.
505 2006-04-30 Roger Sayle <roger@eyesopen.com>
507 * common.opt (Woverflow): New command line option.
508 * c-common.c (constant_expression_warning): Check warn_overflow.
509 (overflow_waring): Pass OPT_Woverflow to warning.
510 (unsigned_conversion_warning): Likewise.
511 (convert_and_check): Likewise.
512 * doc/invoke.texi: Document new command line option.
514 2006-04-30 David Edelsohn <edelsohn@gnu.org>
516 * config/rs6000/rs6000.c (rs6000_override_options): Enable
517 TARGET_NO_FP_IN_TOC for section anchors.
518 (optimization_options): Enable section anchors for all
519 non-"Objective" languages.
521 2006-04-28 Eric Christopher <echristo@apple.com>
523 * config/darwin-c.c (darwin_ms_struct): Move this
524 (darwin_set_default_type_attributes): and this...
525 * config/darwin.c: ... here.
526 * config/darwin.h (darwin_ms_struct): Declare.
528 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
530 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
532 2006-04-28 Roger Sayle <roger@eyesopen.com>
535 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
536 (push_array_bounds): Delete prototype. Change BOUNDS argument to
537 an unsigned HOST_WIDE_INT.
538 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
540 (really_start_incremental_init): No need to call convert because
541 bitsize_zero_node is already of type bitsizetype.
542 (push_init_level): Extract the value of constructor_index as an
543 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
544 (process_init_element): Likewise.
546 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
548 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
549 value before passing to make_relative_prefix.
551 2006-04-28 Alan Modra <amodra@bigpond.net.au>
554 * builtins.c (expand_builtin_memset): Expand val in original mode.
556 2006-04-27 Eric Christopher <echristo@apple.com>
558 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
560 * config/darwin-c.c (darwin_ms_struct): New.
561 (darwin_pragma_ms_struct): Ditto.
562 (darwin_set_default_type_attributes): Ditto.
563 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
564 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
565 Register ms_struct pragma.
566 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
567 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
568 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
569 darwin_set_default_type_attributes if TARGET_MACHO.
571 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
573 PR tree-optimization/26854
574 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
575 * doc/tree-ssa.texi: Update immuse iterator documentation.
576 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
577 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
578 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
579 first_safe_imm_use, next_safe_imm_use): Remove.
580 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
581 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
582 (move_use_after_head): New. Helper function to sort immuses in a stmt.
583 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
584 (first_imm_use_stmt): New. Get first stmt in an immuse list.
585 (next_imm_use_stmt): New. Get next stmt in an immuse list.
586 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
587 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
588 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
589 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
590 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
591 (perfect_nestify): Use new iterator.
592 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
594 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
595 (next_imm_name): New field in struct immediate_use_iterator_d.
596 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
597 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
598 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
599 * tree-cfg.c (replace_uses_by): Use new iterator.
600 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
601 * tree-ssa-operands.c (correct_use_link): Remove.
602 (finalize_ssa_use_ops): No longer call correct_use_link.
604 2006-04-27 Stuart Hastings <stuart@apple.com>
606 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
607 * config/t-darwin (crt3.o): Use it.
608 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
609 'pmode', use Pmode instead of SImode for SYMBOL_REF.
610 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
611 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
612 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
615 2006-04-27 Roger Sayle <roger@eyesopen.com>
617 * expmed.c (store_fixed_bit_field): If we're not optimizing for
618 size, force the intermediate into a new pseudo rather instead of
619 performing both a bitwise AND and a bitwise IOR in memory.
621 2006-04-27 Richard Guenther <rguenther@suse.de>
623 PR rtl-optimization/26685
624 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
625 this one "max-flow-memory-locations".
627 2006-04-27 Richard Guenther <rguenther@suse.de>
629 PR tree-optimization/25148
630 * tree-vrp.c (compare_values): Remove code dealing with
631 comparisons against type min/max value. Honour overflow
632 and negative constants in code dealing with comparisons
633 of plus and minus expressions.
634 (value_inside_range): Use fold_binary with LE_EXPR and
635 GE_EXPR rather than compare_values.
637 2006-04-27 Dirk Mueller <dmueller@suse.de>
639 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
642 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
644 * basic-block.h (safe_insert_insn_on_edge): Removed.
645 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
647 2006-04-26 David Edelsohn <edelsohn@gnu.org>
648 Paolo Bonzini <bonzini@gnu.org>
651 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
652 (simplify_and_const_int): Same.
654 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
656 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
658 2006-04-26 Jakub Jelinek <jakub@redhat.com>
661 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
662 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
663 cgraph_global_info_ready.
666 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
669 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
670 either decl or init is error_mark_node.
673 * tree-flow.h (struct omp_region): Add sched_kind.
674 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
675 instead of extracting omp for data.
676 (expand_omp_for): Save extracted sched_kind.
678 2006-04-25 Roger Sayle <roger@eyesopen.com>
680 * expmed.c (store_bit_field): Also check whether the bitsize is
681 valid for the machine's "insv" instruction before moving the
682 target into a pseudo for use with the insv.
683 * config/i386/predicates.md (const8_operand): New predicate.
684 * config/i386/i386.md (extv, extzv, insv): Use the new
685 const8_operand predicate where appropriate.
687 2006-04-25 DJ Delorie <dj@redhat.com>
689 * doc/install.texi (Specific): Clarify that this is not a list of
690 supported hosts or targets.
692 2006-04-25 Richard Sandiford <richard@codesourcery.com>
694 PR rtl-optimization/26725
695 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
696 block's BB_DIRTY flag.
698 2006-04-25 Geoffrey Keating <geoffk@apple.com>
700 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
703 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
706 2006-04-25 David Edelsohn <edelsohn@gnu.org>
708 * varasm.c (align_variable): New function.
709 (get_block_for_decl): Apply align_variable to DECL before
710 calculating section information.
711 (assemble_variable): Split out alignment computation.
713 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
715 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
718 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
720 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
721 MODE_PARTIAL_INT mode.
722 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
723 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
725 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
726 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
728 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
730 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
732 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
733 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
734 MACFLAG_IH): Likewise.
735 (movstricthi_1): Renamed from "*movstricthi".
736 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
737 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
738 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
739 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
740 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
741 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
742 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
743 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
744 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
745 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
746 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
747 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
748 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
749 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
750 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
752 * doc/rtl.texi (ss_ashift): Improve wording.
754 2006-04-24 Geoffrey Keating <geoffk@apple.com>
756 * dwarf2out.c (verify_marks_clear): New.
757 (prune_unused_types): Call verify_marks_clear initially, not
760 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
762 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
763 * doc/rtl.texi: Document them.
764 * simplify-rtx.c (simplify_unary_operation,
765 simplify_binary_operation_1): Don't abort when we see them.
767 2006-04-24 Mark Mitchell <mark@codesourcery.com>
770 2006-04-23 Mark Mitchell <mark@codesourcery.com>
771 * configure.ac: Completely disregard languages that are not
773 * configure: Regenerated.
775 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
776 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/27236
779 * tree-inline.c (copy_body_r): Make sure to copy
780 TREE_THIS_VOLATILE flag.
782 2006-04-24 Richard Guenther <rguenther@suse.de>
785 * tree-complex.c (update_parameter_components): Don't handle
786 unused parameters which have no default def.
788 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
789 Richard Guenther <rguenther@suse.de>
791 PR tree-optimization/27218
792 * tree-inline.c (expand_call_inline): Strip useless type
793 conversions for the return slot address.
795 2006-04-24 Richard Guenther <rguenther@suse.de>
797 * cfgloop.h (struct loops): Remove unused field array. Reorder
799 (LOOP_PREFETCH): Remove.
801 2006-04-24 Richard Guenther <rguenther@suse.de>
803 PR tree-optimization/22525
804 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
805 variable, adjust types of generated expressions.
807 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
809 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
810 (tree-vect-patterns.o): Likewise.
812 (cselib.o): Likewise.
813 (loop-doloop.o): Likewise.
814 (regclass.o): Likewise.
815 (reload1.o): Likewise.
816 (explow.o): Replace target.h with $(TARGET_H).
817 (ipa-prop.o): Likewise.
818 (ipa-cp.o): Likewise.
819 (ipa-inline.o): Likewise.
821 (reg-stack.o): Likewise.
823 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
825 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
827 2006-04-23 Mark Mitchell <mark@codesourcery.com>
829 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
831 * configure.ac: Completely disregard languages that are not
833 * configure: Regenerated.
836 * c-common.h (c_build_bitfield_integer_type): Declare.
837 * c-decl.c (c_build_bitfield_integer_type): Move to ...
838 * c-common.c (c_build_bitfield_integer_type): ... here.
840 2006-04-23 Roger Sayle <roger@eyesopen.com>
843 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
844 a SImode SUBREG of a floating point register after no_new_pseudos.
846 2006-04-23 Roger Sayle <roger@eyesopen.com>
848 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
849 identify potentially eliminable registers to additionally catch
850 VIRTUAL_INCOMING_ARGS_REGNUM.
851 (addsi3): Update the conditions on when to use addsi_small_int.
853 2006-04-23 Roger Sayle <roger@eyesopen.com>
856 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
857 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
858 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
860 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
862 * fold-const.c (range_predecessor): Use operand_equal_p
863 as the predicate for equality.
864 (range_successor): Likewise.
866 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
869 * config/soft-fp/op-common.h: Fix a typo.
871 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
874 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
875 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
877 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
879 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
881 * doc/tm.texi: Fix a typo.
883 2006-04-21 Geoffrey Keating <geoffk@apple.com>
885 * dwarf2out.c (struct die_struct): Document that die_sib makes
886 a circular linked list.
887 (FOR_EACH_CHILD): New.
888 (reverse_die_lists): Delete.
889 (reverse_all_dies): Delete.
890 (add_dwarf_attr): Correct documentation.
891 (remove_child_with_prev): New.
892 (remove_child_TAG): Update for change to die_struct, use
893 remove_child_with_prev.
894 (add_child_die): Update for change to die_struct.
895 (splice_child_die): Use remove_child_with_prev and add_child_die.
896 (print_die): Use FOR_EACH_CHILD.
897 (die_checksum): Likewise.
898 (assign_symbol_names): Likewise.
899 (output_location_lists): Likewise.
900 (build_abbrev_table): Likewise.
901 (calc_die_sizes): Likewise.
902 (mark_dies): Likewise.
903 (unmark_dies): Likewise.
904 (unmark_all_dies): Likewise.
905 (output_die): Likewise.
906 (prune_unused_types_mark): Likewise.
907 (prune_unused_types_walk): Likewise.
908 (same_die_p): Update for change to die_struct.
909 (break_out_includes): Likewise.
910 (prune_unused_types_prune): Likewise.
911 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
912 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
914 (dwarf2out_finish): Don't call reverse_all_dies.
916 2006-04-21 Eric Christopher <echristo@apple.com>
918 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
919 in comments and function names.
921 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
924 * c-typeck.c (digest_init): Robustify.
926 * c-typeck.c (pop_init_level): Simplify.
928 2006-04-21 Steve Ellcey <sje@cup.hp.com>
930 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
932 2006-04-21 Paul Brook <paul@codesourcery.com>
934 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
935 hardware floating point.
937 2006-04-21 David Edelsohn <edelsohn@gnu.org>
939 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
942 2006-04-21 Nick Clifton <nickc@redhat.com>
944 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
947 2006-04-21 Alan Modra <amodra@bigpond.net.au>
950 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
951 C++ lang type in traceback table for Objective-C++.
953 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
955 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
957 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
959 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
962 * tree-mudflap.c (mudflap_finish_file): Skip function when there
963 were errors. Remove check for erroneous objects.
965 2006-04-20 Jeff Law <law@redhat.com>
967 PR tree-optimization/26854
968 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
969 checking for zero or one use.
970 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
971 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
972 * tree-ssa-reassoc.c (negate_value): Similarly.
973 (reassociate_bb): Similarly.
975 2006-04-20 Jakub Jelinek <jakub@redhat.com>
977 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
978 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
979 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
981 2006-04-20 Alan Modra <amodra@bigpond.net.au>
983 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
984 fp regs if the last fp arg doesn't fit in regs.
986 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
989 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
990 that the last insn has the REG_INC note.
992 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
993 Nathan Sidwell <nathan@codesourcery.com>
996 * stor-layout.c (update_alignment_for_field): Do not align
998 (place_union_field): Place union field at the start of the union.
999 (place_field): Move ERROR_MARK check later, and use the current
1000 allocation position to maintain monotonicity.
1002 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1004 * dominance.c: Include timevar.h.
1005 (calculate_dominance_info): Use TV_DOMINANCE.
1006 * timevar.def (TV_DOMINANCE): New timevar.
1007 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1009 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1011 PR rtl-optimization/14261
1012 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1013 move would be an INSV insn.
1014 (noce_process_if_block): Don't optimize if the destination is a
1015 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1017 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1019 * config/s390/s390.md: Add comments with the instructions emitted
1020 by an insn pattern if macros are used.
1022 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1024 PR rtl-optimization/26026
1025 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1026 is a known power of two shifted left a variable amount.
1028 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1030 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1031 to hash table twice when the debug_str section has SECTION_MERGE.
1033 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1035 * config/soft-fp: New directory. From glibc.
1036 * config/soft-fp/t-softfp: New.
1037 * config/soft-fp/README: New.
1038 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1039 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1040 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1041 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1042 * config.gcc: Use rs6000/t-fprules-fpbit or
1043 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1045 * config/rs6000/sfp-machine.h: New. Based on glibc.
1046 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1048 * config/rs6000/t-fprules: Remove fp-bit rules.
1049 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1050 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1051 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1052 (softfp_wrap_start, softfp_wrap_end): New.
1054 2006-04-18 DJ Delorie <dj@redhat.com>
1056 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1058 2006-04-18 Devang Patel <dpatel@apple.com>
1060 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1062 2006-04-18 Nick Clifton <nickc@redhat.com>
1064 * config/sh/t-symbian: Add rule to build sh-c.o
1065 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1066 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1067 (sh_symbian_encode_section_info): Likewise.
1069 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1071 * builtins.c (expand_builtin_strcmp): Cover label definition of
1072 do_libcall with HAVE_cmpstrnsi.
1074 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1076 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1078 * function.h (temp_slot_p): New.
1079 (function): Change the type of x_used_temp_slots to
1080 VEC(temp_slot_p,gc) *.
1082 2006-04-18 Nick Clifton <nickc@redhat.com>
1084 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1085 flag_strength_reduce.
1087 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1089 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1093 Partial revert of revision 112637
1094 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1095 Dale Johannesen <dalej@apple.com>
1098 * regclass.c (struct reg_pref): Update documentation.
1099 (regclass): Set prefclass to NO_REGS if memory is the best option.
1100 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1102 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1104 PR tree-optimization/26821
1105 * tree-ssa-math-opts.c (get_constant_one): New.
1106 (insert_reciprocals): Use it.
1108 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1110 * dwarf2out.c (free_AT): Delete.
1111 (remove_AT): Update string ref counts.
1112 (remove_child_TAG): Don't call free_die.
1114 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1115 or DW_TAG_GNU_EINCL.
1116 (prune_unused_types_walk_attribs): Reset string refcounts.
1117 (prune_unused_types_update_strings): New.
1118 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1119 call free_die. Do call prune_unused_types_update_strings.
1120 (prune_unused_types): Empty debug_str_hash.
1122 2006-04-17 Roger Sayle <roger@eyesopen.com>
1124 * expr.c (expand_assignment): Optimize away no-op moves where the
1125 source and destination are equal and have no side-effects.
1127 2006-04-17 Richard Guenther <rguenther@suse.de>
1130 * reload.c (push_reload): Guard calls to get_secondary_mem
1133 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1135 * alias.c (reg_base_value, old_reg_base_value): Change the
1136 type to VEC(rtx,gc) *.
1137 (REG_BASE_VALUE, find_base_value, record_set,
1138 init_alias_analysis): Use VEC instead of VARRAY.
1140 * alias.c (alias_sets): Change the type to
1141 VEC(alias_set_entry,gc) *.
1142 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1143 VEC instead of VARRAY.
1144 (last_alias_set): Remove.
1146 * cgraph.h (cgraph_edge_p): New.
1147 Update the prototype of cgraph_function_versioning.
1148 * cgraphunit.c (cgraph_copy_node_for_versioning,
1149 cgraph_function_versioning): Use VEC instead of VARRAY.
1150 * ipa-cp.c (ipcp_insert_stage): Likewise.
1152 2006-04-16 Roger Sayle <roger@eyesopen.com>
1155 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1156 "A op B" or "A op C", we may need to convert A to the type of B and C.
1158 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1160 * target.h (struct gcc_target): Add mode_rep_extended.
1161 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1162 (init_num_sign_bit_copies_in_rep): Initialize it using
1164 (truncate_to_mode): Use it.
1165 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1166 * targhooks.h (default_mode_rep_extended): Declare it.
1167 * targhooks.c (default_mode_rep_extended): Define it.
1168 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1169 default_mode_rep_extended.
1170 (TARGET_INITIALIZER): Include it.
1171 * doc/tm.texi (Misc): Document it.
1172 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1173 (mips_truncated_to_mode): New function.
1175 2006-04-16 Roger Sayle <roger@eyesopen.com>
1178 * expr.c (compress_float_constant): Copy the narrow constant into
1179 a new pseudo before extending it to its final width.
1181 2006-04-16 Roger Sayle <roger@eyesopen.com>
1182 Andrew Pinski <pinskia@gcc.gnu.org>
1183 Dale Johannesen <dalej@apple.com>
1186 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1187 special case code to implement V8HImode and V16QImode with SSE2.
1189 2006-04-15 Roger Sayle <roger@eyesopen.com>
1191 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1192 trees are constructed with a suitable tree type.
1194 2006-04-15 Roger Sayle <roger@eyesopen.com>
1196 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1197 (integer_onep): Likewise.
1198 (integer_all_onesp): Likewise.
1199 (integer_pow2p): Likewise.
1200 (integer_nonzerop): Likewise.
1201 (real_zerop): Likewise.
1202 (real_onep): Likewise.
1203 (real_twop): Likewise.
1204 (real_minus_onep): Likewise.
1205 (int_size_in_bytes): Likewise.
1206 (host_integerp): Likewise.
1208 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1210 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1211 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1212 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1214 * tree-ssa-structalias.h (alias_info): Remove num_references.
1216 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1218 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1219 (output_bvb patterns): Likewise.
1220 * pa.c (output_bb): Use 'bb' insn for long branch case.
1221 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1222 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1223 1. Correct length operand for alternatives 1 and 2.
1224 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1225 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1227 2006-04-14 Roger Sayle <roger@eyesopen.com>
1229 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1230 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1231 were accidentally reverted by r112959.
1233 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1236 * except.h (eh_region_outermost): New prototype.
1237 * except.c (eh_region_outermost): New function.
1238 * tree-cfg.c (find_outermost_region_in_block): Use it.
1240 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1242 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1244 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1245 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1246 (init_reload, reload): Use VEC instead of VARRAY.
1247 * reload.h: Update the prototype for
1248 reg_equiv_memory_loc_varray.
1250 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1251 Eric Botcazou <ebotcazou@libertysurf.fr>
1253 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1256 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1259 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1260 to expand fallback builtin function call.
1262 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1265 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1266 and emit libcall here in case the builtin fails.
1267 (expand_builtin_strcmp): Always emit the libcall here on failure.
1269 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1271 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1272 * flow.c (reg_n_info): Change the type to
1273 VEC(reg_info_p,heap) *.
1274 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1276 * regs.h (reg_info_p): New.
1277 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1278 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1279 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1282 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1284 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1286 * params.h (MAX_SCHED_READY_INSNS): New macro.
1287 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1288 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1289 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1290 the ready list for 1 cycle during the first scheduling pass.
1291 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1293 2006-04-13 Richard Henderson <rth@redhat.com>
1296 * gimple-low.c (lower_omp_directive): Remove dead code.
1297 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1298 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1299 * omp-low.c (struct omp_region): Move to tree-flow.h.
1300 (root_omp_region): Export.
1301 (omp_regions, lookup_omp_region): Remove.
1302 (determine_parallel_type): Update for struct omp_region changes.
1303 (dump_omp_region): Dump regions with block numbers.
1304 (new_omp_region): Take type and block instead of stmt; malloc
1306 (free_omp_region_1, free_omp_regions): New.
1307 (expand_parallel_call): Take entry_stmt as argument; update for
1308 changes to omp_region.
1309 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1310 (remove_exit_barriers): New.
1311 (expand_omp_parallel): Update for struct omp_region changes.
1312 (expand_omp_synch): Likewise.
1313 (expand_omp): Likewise.
1314 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1315 (expand_omp_for_static_chunk): Likewise.
1316 (expand_omp_for): Likewise.
1317 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1318 (expand_omp_sections): Similarly, with GOMP_sections_end.
1319 (expand_omp_single): New.
1320 (build_omp_regions_1): Update for OMP_CONTINUE.
1321 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1322 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1323 OMP_SECTIONS_SECTIONS.
1324 (lower_omp_single_simple): Don't emit barrier here.
1325 (lower_omp_single_copy): Likewise.
1326 (lower_omp_single): Fix bindings, and lower to straightline now.
1327 (lower_omp_master, lower_omp_ordered): Likewise.
1328 (lower_omp_critical): Likewise.
1329 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1330 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1331 omp edges, free it afterward.
1332 (make_omp_sections_edges): Remove.
1333 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1334 (move_stmt_r): Handle OMP_CONTINUE.
1335 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1336 statement pointers to basic blocks. Add type member.
1337 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1338 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1339 * tree-inline.c (estimate_num_insns_1): Likewise.
1340 * tree-pretty-print.c (dump_generic_node): Likewise.
1341 * tree-ssa-operands.c (get_expr_operands): Likewise.
1342 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1343 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1344 (OMP_CONTINUE): New.
1345 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1346 (OMP_SECTIONS_SECTIONS): Remove.
1347 (OMP_SECTION_LAST): New.
1348 (OMP_RETURN_NOWAIT): New.
1350 2006-04-13 Roger Sayle <roger@eyesopen.com>
1352 * fold-const.c (native_encode_vector, native_interpret_real):
1353 Correct obvious mistakes in the previous check-in.
1355 2006-04-13 Roger Sayle <roger@eyesopen.com>
1357 * fold-const.c (native_encode_expr): New function to encode
1358 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1359 or VECTOR_CST into a specified buffer.
1360 (native_encode_int): New function.
1361 (native_encode_real): New function.
1362 (native_encode_complex): New function.
1363 (native_encode_vector): New function.
1364 (native_interpret_expr): Inverse of native_encode_expr to convert
1365 a target representation into an INTEGER_CST, REAL_CST etc...
1366 (native_interpret_int): New function.
1367 (native_interpret_real): New function.
1368 (native_interpret_complex): New function.
1369 (native_interpret_vector): New function.
1370 (fold_view_convert_expr): New function to constant fold/evaluate
1371 a VIEW_CONVERT_EXPR of a suitable constant expression.
1372 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1373 Change call of build1 to fold_build1 when constructing a
1376 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1377 Ulrich Weigand <uweigand@de.ibm.com>
1380 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1383 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1386 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1387 optimize to lo_sum for DFmode if !TARGET_FPRS.
1389 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1391 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1392 delete_alias_info, compute_flow_sensitive_aliasing,
1393 group_aliases): Use VEC instead of VARRAY.
1394 * tree-ssa-structalias.c (update_alias_info): Likewise.
1395 * tree-ssa-structalias.h (alias_info): Change the type of
1396 processed_ptrs to VEC(tree,heap) *.
1398 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1401 * config/sh/lib1funcs.h: New file, broken out of:
1402 * config/sh/lib1funcs.asm.
1403 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1405 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1406 * config/sh/lib1funcs-Os-4-200.asm: New file.
1407 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1408 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1409 (EXTRA_MULTILIB_PARTS): Include it.
1410 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1411 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1412 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1413 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1416 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1418 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1419 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1420 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1422 * tree-ssa-live.h: Include vecprim.h.
1423 (tree_partition_associator_d): Change the type of
1424 first_partition to VEC(int,heap) *.
1425 (tpa_first_partition): Use VEC instead of VARRAY.
1427 * Makefile.in (GTFILES): Move functions.h after tree.h.
1428 * function.c (reset_block_changes, record_block_change,
1429 check_block_change, free_block_changes): Use VEC instead of
1431 * function.h (function): Change the type of
1432 ib_boundaries_block to VEC(tree,gc) *.
1433 * tree-inline.c (copy_cfg_body): Initialize
1434 ib_boundaries_block to NULL instead of (varray_type) 0.
1436 2006-04-12 Roger Sayle <roger@eyesopen.com>
1438 * expr.c (emit_group_store): Correct operand order in call to
1439 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1440 a SUBREG_BYTE of zero.
1442 2006-04-12 Richard Guenther <rguenther@suse.de>
1444 * profile.c (compute_branch_probabilities): Remove code
1445 encapsulated in !ir_type (), which are remanents of the
1446 removed RTL profiling code.
1447 * rtl-profile.c: Remove.
1449 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1451 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1452 magic NULL_RTX comment.
1453 (function_arg): Store entire fp arg to mem if any part should go
1455 (rs6000_arg_partial_bytes): Adjust for above change.
1457 2006-04-11 Roger Sayle <roger@eyesopen.com>
1459 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1460 if it hasn't been initialized by dwarf2out_init.
1462 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1464 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1465 symbolic constants in branch patterns.
1467 2006-04-11 Roger Sayle <roger@eyesopen.com>
1469 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1471 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1473 PR rtl-optimization/27073
1474 * gcse.c (try_replace_reg): Revert last change. Continue to search
1475 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1478 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1480 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1481 aggregate types other than record and union types.
1482 (function_arg): Likewise.
1483 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1485 (function_value): In 64-bit mode, return objects that require it
1488 2006-04-11 Roger Sayle <roger@eyesopen.com>
1490 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1492 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1494 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1496 2006-04-03 Jeff Law <law@redhat.com>
1499 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1500 alias information too.
1502 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1504 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1506 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1509 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1510 (premark_used_types_helper): New.
1511 (premark_used_types): New.
1512 (gen_subprogram_die): Call premark_used_types.
1513 (prune_unused_types_walk): Do not prune perennial dies.
1514 * function.c (used_types_insert): New.
1515 * function.h (struct function): Add used_types_hash field.
1516 (used_types_insert): Add prototype.
1517 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1518 * c-parser.c (c_parser_cast_expression): Save casted types in used
1521 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1524 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1525 rs6000_explicit_options.float_gprs.
1527 2006-04-10 Roger Sayle <roger@eyesopen.com>
1529 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1530 from ix86_expand_vector_init_low_nonzero. Take an additional
1531 one_var argument indicating which element is non-zero. Support
1532 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1533 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1534 with one_var instead of ix86_expand_vector_init_low_nonzero.
1536 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1538 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1539 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1540 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1541 build/genextract.o): Depend on vecprim.h.
1542 * cfglayout.c, df-problems.c, function.c, genextract.c,
1543 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1544 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1548 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1550 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1551 Declare VECs of this type.
1552 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1553 (remove_children): Delete.
1554 (add_dwarf_attr): Use VEC routines.
1555 (add_AT_flag): Update for changes to add_dwarf_attr.
1556 (add_AT_int): Likewise.
1557 (add_AT_unsigned): Likewise.
1558 (add_AT_long_long): Likewise.
1559 (add_AT_vec): Likewise.
1560 (add_AT_string): Likewise.
1561 (add_AT_die_ref): Likewise.
1562 (add_AT_fde_ref): Likewise.
1563 (add_AT_loc): Likewise.
1564 (add_AT_loc_list): Likewise.
1565 (add_AT_addr): Likewise.
1566 (add_AT_lbl_id): Likewise.
1567 (add_AT_lineptr): Likewise.
1568 (add_AT_macptr): Likewise.
1569 (add_AT_offset): Likewise.
1570 (add_AT_range_list): Likewise.
1571 (get_AT): Use VEC_iterate.
1572 (remove_AT): Use VEC_ordered_remove.
1573 (free_die): Fold remove_children into here; have it use VEC_iterate.
1574 (print_die): Use VEC_iterate on attrs.
1575 (reverse_die_lists): Don't reverse attr lists.
1576 (die_checksum): Use VEC_iterate on attrs.
1577 (same_die_p): Likewise.
1578 (output_location_lists): Likewise.
1579 (build_abbrev_table): Likewise.
1580 (size_of_die): Likewise.
1581 (unmark_all_dies): Likewise.
1582 (output_abbrev_section): Likewise.
1583 (output_die): Likewise.
1584 (prune_unused_types_walk_attribs): Likewise.
1586 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1588 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1590 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1593 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1595 2006-04-09 Roger Sayle <roger@eyesopen.com>
1597 * expr.c (store_constructor): Don't bother clearing target if
1598 we're about to assign a vector to it using vec_init_optab.
1600 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1602 * tree-ssa-alias.c (lhs_may_store_to): New function.
1603 (recalculate_used_alone): Handle LHS of calls.
1605 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1609 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1610 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1611 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1612 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1613 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1614 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1615 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1616 stubs. Add ".align 8" directives before all ".dword" directives.
1617 (GTHREAD_USE_WEAK): Revise comment.
1618 (TARGET_ATTRIBUTE_WEAK): Define.
1619 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1620 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1621 * stublib.c: New file.
1626 * pa.md (cbranch patterns): Revise arguments used in calls to
1627 output_cbranch, output_bb and output_bvd. Add long branch length
1629 (fbranch patterns): Handle long branches.
1630 (jump): Revise length check. Revise arguments for output_lbranch call.
1631 Add long branch length attributes.
1632 (decrement_and_branch_until_zero): Add long branch length attributes.
1633 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1634 Likewise. Revise arguments for output_parallel_addb and
1635 output_parallel_movb calls.
1636 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1637 output_parallel_movb and output_parallel_addb): Update prototypes.
1638 * pa.c (output_cbranch): Revise arguments. Correct handling of
1639 nullification in long branches.
1640 (output_lbranch): Add new argument to control extraction of delay
1642 (output_bb): Handle long branches.
1643 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1644 output_parallel_addb): Likewise.
1646 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1648 PR rtl-optimization/27073
1649 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1652 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1654 * tree.h (tree_memory_tag): Add old_used_alone.
1655 (SMT_OLD_USED_ALONE): New macro.
1656 * tree-ssa-alias.c (recalculate_used_alone): Stop
1657 marking things for renaming unnecessarily.
1659 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1661 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1662 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1663 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1664 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1665 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1666 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1667 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1668 spelling convensions.
1669 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1670 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1671 typos. Follow spelling conventions.
1673 2006-04-07 DJ Delorie <dj@redhat.com>
1675 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1676 passed on the stack.
1677 (m32c_init_cumulative_args): When a function returns a structure,
1678 always pass the pointer to that return area on the stack.
1679 (m32c_function_arg_advance): Don't increment the parameter number
1680 if we're processing the returned structure pointer.
1681 (pushm_info): Reverse order of registers.
1683 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1685 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1686 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1687 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1688 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1690 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1691 chrec_fold_multiply): Same.
1692 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1693 force_expr_to_var_cost): Same.
1694 * tree-mudflap.c (mf_xform_derefs_1): Same.
1695 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1697 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1699 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1700 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1703 2006-04-07 Jan Hubicka <jh@suse.cz>
1705 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1707 2006-04-07 Richard Guenther <rguenther@suse.de>
1709 PR tree-optimization/26135
1710 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1711 loads for store copy-prop.
1712 (copy_prop_visit_stmt): Likewise.
1714 2006-04-05 Robert Millan <robertmh@gnu.org>
1716 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1717 being overriden in config/k*bsd-gnu.h.
1718 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1720 * gcc/config/knetbsd-gnu.h: Ditto.
1722 2006-04-06 Jan Hubicka <jh@suse.cz>
1726 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1729 2006-04-06 Mike Stump <mrs@apple.com>
1731 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1732 for HAVE_nonlocal_goto to be consistent.
1733 (expand_builtin_nonlocal_goto): Likewise.
1734 (expand_builtin_strcmp): Use #ifdef instead of #if
1735 for HAVE_cmpstrnsi to be consistent.
1737 2006-04-05 DJ Delorie <dj@redhat.com>
1739 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1742 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1744 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1745 got-relative addressing for anything but SImode.
1747 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1748 even if the calling function doesn't modify them.
1750 2006-04-05 Richard Guenther <rguenther@suse.de>
1752 PR tree-optimization/26919
1753 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1754 to cgraph_estimate_size_after_inlining.
1756 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1758 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1760 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1762 PR tree-optimization/26996
1763 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1764 VECTOR_TYPE variables.
1766 2006-04-05 Richard Guenther <rguenther@suse.de>
1768 PR tree-optimization/26763
1769 * fold-const.c (fold_comparison): Move folding of
1770 PTR + CST CMP PTR + CST ...
1771 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1773 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1775 * doc/install.texi (Prerequisites): Refine some wording on
1776 bootstrapping and ksh.
1777 Move the version numbers of DejaGnu here from the testing section
1778 and fix casing of names.
1779 Fix markup and clarify wording for autogen requirements.
1780 Refer to GCJ instead of just java.
1781 Refer to SVN instead of CVS.
1782 Describe diffutils as useful instead of necessary.
1783 (Downloading the source): Refer to SVN instead of CVS.
1784 Adjust a link to our web site accordingly.
1785 (Configuration): Fix casing of Bison.
1786 (Building): Refer to SVN instead of CVS.
1787 Fix a sentence on the use of Bison and remove duplicate (and
1788 incorrect) version number of Bison requirement.
1789 Remove one redundant list of packages needed for building.
1790 (Specific): Avoid reference to CVS.
1792 2006-04-04 Eric Christopher <echristo@apple.com>
1794 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1795 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1796 (rs6000_handle_struct_attribute): New.
1797 (rs6000_ms_bitfield_layout_p): Ditto.
1799 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1801 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1802 NULL for dso parameter to atexit_common.
1804 2006-04-04 Eric Christopher <echristo@apple.com>
1806 * config/i386/i386.c (machopic_output_stub): Output \t
1807 between instructions and operands.
1809 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1811 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1812 satisfies_constraint_[IL] to explicit tests on value.
1814 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1816 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1817 set_nb_iterations_in_loop): Use build_int_cst instead of
1819 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1820 build_int_cst instead of convert.
1822 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1824 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1825 new value 2 for incoming.
1826 * function.c (expand_function_start): Call struct_value_rtx
1828 * config/sparc/sparc.md: Comment updated_return.
1829 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1830 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1831 struct return if sparc_std_struct_return and incoming is 2.
1832 (print_operand): Do not adjust return if
1833 sparc_std_struct_return.
1835 2006-04-04 Roger Sayle <roger@eyesopen.com>
1837 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1838 convert in the middle-end.
1839 * expr.c (store_expr, store_constructor, get_inner_reference,
1840 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1842 * tree.c (build_range_type): Likewise.
1844 2006-04-04 Tom Tromey <tromey@redhat.com>
1846 * doc/install.texi (Prerequisites): Mention jar.
1848 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1850 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1853 2006-04-04 Matthias Klose <doko@debian.org>
1855 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1856 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1859 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1861 * doc/extend.texi (Function Attributes): Rewrite visibility
1862 attribute documentation.
1863 * doc/invoke.texi (C++ Dialect Options): Rewrite
1864 -fvisibility-inlines-hidden documentation to describe something
1865 entirely different, although in practise compatible.
1866 (Code Gen Options): Warn about system headers in -fvisibiltity=
1869 * doc/extend.texi (Other Builtins): Document that
1870 __builtin_nan is a compile-time constant only when its argument
1873 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1875 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1876 trying to remove TRUNCATE check if all bits outside the new mode
1877 are identical to the sign bit.
1879 2006-04-03 Jeff Law <law@redhat.com>
1881 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1882 and operand scanning in some common cases.
1884 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1885 Dale Johannesen <dalej@apple.com>
1888 * regclass.c (struct reg_pref): Update documentation.
1889 (regclass): Set prefclass to NO_REGS if memory is the best option.
1890 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1891 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1892 into account. For non-registers, equate an empty preferred
1893 reload class to a `!' in the constraint; move the if clause to
1894 do so after those that reject the insn.
1895 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1897 (find_dummy_reload): Likewise.
1898 * doc/tm.texi (Register Classes): Document what it means
1899 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1900 * config/i386/i386.c (ix86_preferred_reload_class): Force
1901 using SSE registers (and return NO_REGS for floating-point
1902 constants) if math is done with SSE.
1903 (ix86_preferred_output_reload_class): New.
1904 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1905 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1906 * config/i386/i386.md: Remove # register preferences.
1908 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1911 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1912 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1913 the type of nb_iter.
1914 (instantiate_parameters_1): Convert the operands before calling
1915 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1916 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1918 2006-04-02 Roger Sayle <roger@eyesopen.com>
1920 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1921 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1923 * dojump.c (do_jump): Likewise.
1924 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1925 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1926 gimplify_boolean_expr): Likewise.
1927 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1928 * varasm.c (array_size_for_constructor): Likewise.
1929 * tree-object-size.c (compute_object_offset): Likewise.
1931 2006-04-02 Roger Sayle <roger@eyesopen.com>
1934 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1935 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1937 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1939 PR tree-optimization/26939
1940 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1942 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1944 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1945 at_stmt. Convert the type of operands before calling
1946 build_polynomial_chrec.
1947 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1949 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1950 (instantiate_parameters_1): Convert the type of operands before calling
1951 build_polynomial_chrec.
1952 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1953 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1954 reset_evolution_in_loop): Insert asserts to check the types of the
1956 (chrec_type): Moved...
1957 (eq_evolutions_p): Use operand_equal_p.
1958 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1959 the types of the operands.
1960 (chrec_type): ...here.
1961 * tree-data-ref.c (create_data_ref): Convert the operands before
1962 calling chrec_replace_initial_condition.
1963 (same_access_functions, analyze_subscript_affine_affine,
1964 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1965 (compute_subscript_distance, analyze_ziv_subscript,
1966 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1967 analyze_miv_subscript): Convert the operands before calling
1968 chrec_fold_minus or chrec_fold_plus.
1970 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1972 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1973 the dependence_relations vector.
1974 (compute_data_dependences_for_loop): Adjust call to
1975 compute_all_dependences.
1977 2006-04-01 Roger Sayle <roger@eyesopen.com>
1978 Richard Henderson <rth@redhat.com>
1980 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1981 gimple_boolify on the condition before calling gimplify_expr.
1983 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1985 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1986 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1987 the frame size. Update to use the new macros.
1988 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1989 * config/xtensa/ieee754-df.S: Likewise.
1991 2006-03-31 Richard Henderson <rth@redhat.com>
1993 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1994 (make_edges): ... here. Control fallthru creation with a local
1995 variable. Do not play with fake edges.
1996 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1997 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2000 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2002 * dwarf2.h (DW64_CIE_ID): Define.
2003 * dwarf2out.c (DWARF_CIE_ID): Define.
2004 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2005 length header. Use DWARF_CIE_ID.
2006 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2007 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2009 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2011 * config/sh/linux-atomic.asm: New file.
2012 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2014 2006-03-31 DJ Delorie <dj@redhat.com>
2016 * config/m32c/cond.md: Set condition flags properly throughout.
2017 * config/m32c/minmax.md: Likewise.
2018 * config/m32c/prologue.md: Likewise.
2019 * config/m32c/bitops.md: Likewise.
2020 * config/m32c/muldiv.md: Likewise.
2021 * config/m32c/mov.md: Likewise.
2022 * config/m32c/addsub.md: Likewise.
2023 * config/m32c/m32c.md: Likewise.
2024 * config/m32c/jump.md: Likewise.
2025 * config/m32c/shift.md: Likewise.
2027 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2028 conditionally output the pattern for this.
2029 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2030 (m32c_compare_redundant): New.
2031 (m32c_output_compare): New.
2032 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2034 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2035 dest, not src. Allow other 4-byte modes.
2037 2006-03-30 Denis Chertykov <denisc@overta.ru>
2039 * doc/md.texi: Refer to avr/constraints.md instead of
2042 2006-03-30 Roger Sayle <roger@eyesopen.com>
2044 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2045 signed vs. unsigned comparison failures on some hosts.
2047 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2050 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2051 change to FLOAT_REGS.
2053 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2054 (rs6000_override_options): Use it.
2055 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2056 only for -mabi=spe/no-spe and -mabi=altivec.
2058 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2060 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2063 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2065 * Makefile.in: Rename docdir to gcc_docdir.
2067 2006-03-30 Roger Sayle <roger@eyesopen.com>
2070 * expr.c (emit_group_store): Optimize group stores into a pseudo
2071 register by using a paradoxical subreg to initialize the destination
2072 if the first or last member of the group specifies a "low part".
2074 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2077 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2078 * target.h (struct gcc_target.speculate_insn): Change type of the
2079 second parameter to 'int'.
2080 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2081 the second operand of the DEPS_LIST.
2082 (copy_DEPS_LIST_list): Update reference to the second operand of the
2084 * rtl.h (alloc_DEPS_LIST): Update signature.
2085 * sched-int.h (ds_t): Change typedef to 'int'.
2086 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2088 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2090 * haifa-sched.c (try_ready): Change condition to restore
2091 non-speculative pattern of the instruction.
2092 (process_insn_depend_be_in_spec): Code to keep probability of the
2093 speculative dependence non-decreasing.
2095 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2097 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2098 (single_move_for_movmem): ... this. Also change all uses.
2099 (bfin_expand_strmov): Renamed to...
2100 (bfin_expand_movmem): ... this. Also change all uses.
2101 * config/bfin/bfin.md (movstrsi): Renamed to...
2102 (movstrsi): ...this.
2104 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2106 PR tree-optimization/26830
2108 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2109 (copy_prop_visit_stmt): Remove write-only variable ann.
2110 (init_copy_prop): Check variable loop depth here. Do not simulate
2111 memory-tag and virtual operand PHIs except for store copy prop.
2113 2006-03-30 Richard Guenther <rguenther@suse.de>
2115 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2116 variants with double arguments.
2118 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2120 * genpreds.c (write_tm_constrs_h): Delete variable p.
2121 * genconditions.c (write_header): Add tm-constrs.h to included
2123 * genpeep.c (main): Add toplev.h to included headers.
2124 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2125 (build/genpeep.o): Add toplev.h dependency.
2126 * config/rs6000/constraints.md: Add "W" constraint.
2128 2006-03-29 Roger Sayle <roger@eyesopen.com>
2130 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2131 sizes by correctly testing whether the size fits a host integer.
2132 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2133 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2134 SImode range for the default sizetype and bitsizetype.
2136 2006-03-29 Roger Sayle <roger@eyesopen.com>
2138 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2139 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2140 quickly if the argument is already of the correct type.
2141 Call fold_build1 instead of build1. Tidy up blank lines.
2143 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2145 * genemit.c (main): Add tm-constrs.h to included headers.
2146 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2147 * genpeep.c (main): Add tm-constrs.h to included headers.
2148 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2149 (write_tm_constrs_h): this and write complete file.
2150 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2151 (write_insn_preds_c): Add tm-constrs.h to included headers.
2152 (gen_constrs): New variable.
2153 (parse_option): Parse "-c".
2154 (main): Invoke write_tm_constrs_h.
2155 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2156 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2157 (object_out_file): Add tm-constrs.h dependency.
2158 (insn-emit.o): Same.
2159 (insn-output.o): Same.
2160 (insn-peep.o): Same.
2161 (insn-preds.o): Same.
2162 (insn-recog.o): Same.
2163 (tm-constsr.h): New target.
2164 (s-constrs-h): New target.
2166 * config/rs6000/constraints.md: New file.
2167 * config/rs6000/rs6000.c: Include tm-constrs.h.
2168 (num_insn_constant_wide): Convert to satisfies_constraint.
2169 (rs6000_rtx_costs): Convert to satisfies_constraint.
2170 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2171 (CONST_OK_FOR_LETTER_P): Delete.
2172 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2173 (EXTRA_CONSTRAINT): Delete.
2174 (EXTRA_MEMORY_CONSTRAINT): Delete.
2175 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2176 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2177 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2178 satisfies_constraint.
2180 * config/i386/i386.c: Include tm-constrs.h.
2182 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2184 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2185 * tree-data-ref.c (find_data_references_in_loop,
2186 compute_data_dependences_for_loop): Use pointers to VEC.
2187 (analyze_all_data_dependences): Adjust calls.
2188 * tree-data-ref.h (find_data_references_in_loop,
2189 compute_data_dependences_for_loop): Adjust declarations.
2190 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2191 compute_data_dependences_for_loop.
2193 2006-03-29 Paul Brook <paul@codesourcery.com>
2195 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2198 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2200 PR tree-optimization/26859
2201 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2203 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2204 for the step after fold_convert.
2206 2006-03-29 Paul Brook <paul@codesourcery.com>
2208 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2209 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2211 2006-03-29 Paul Brook <paul@codesourcery.com>
2214 * targhooks.c (default_narrow_bitfield): New fuction.
2215 * targhooks.h (default_narrow_bitfield): add prototype.
2216 * target.h (gcc_target): Add narrow_volatile_bitfield.
2217 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2218 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2219 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2220 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2222 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2224 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2226 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2227 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2228 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2229 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2230 (s390_function_arg_float): Allow SDmode and DDmode values to be
2231 passed in floating point registers.
2232 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2233 check with SCALAR_FLOAT_MODE_P.
2234 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2236 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2238 PR tree-optimization/25985
2239 * tree-ssa-loop-niter.c (number_of_iterations_le,
2240 number_of_iterations_ne): Make comments more precise.
2241 (number_of_iterations_cond): Add only_exit argument. Use the
2242 fact that signed variables do not overflow only when only_exit
2244 (loop_only_exit_p): New.
2245 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2246 number_of_iterations_cond.
2248 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2250 PR tree-optimization/26643
2251 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2254 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2256 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2257 (divsi3_i4_int): Likewise.
2259 2006-03-28 Roger Sayle <roger@eyesopen.com>
2261 * expr.c (emit_group_store): Only create a new pseudo reg if the
2262 quantity it needs to hold isn't already a suitable pseudo.
2264 2006-03-28 Jeff Law <law@redhat.com>
2266 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2267 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2269 2006-03-28 Roger Sayle <roger@eyesopen.com>
2271 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2272 the equivalent ~X & Y, and the symmetry related transformations.
2273 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2274 ~X & Y, and symmetry related transforms.
2276 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2278 Revert my 2006-03-27 patches.
2280 2006-03-28 Roger Sayle <roger@eyesopen.com>
2282 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2283 ~(T1)X, when T1 and T2 are integer types of the same precision
2284 and (T2)X isn't an extension.
2286 2006-03-28 Jeff Law <law@redhat.com>
2288 PR tree-optimization/26796
2289 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2290 need EH edge cleanups rather than purging them immediately.
2291 (eliminate_degenerate_phis): Handle queued EH cleanups.
2293 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2295 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2298 2006-03-27 Roger Sayle <roger@eyesopen.com>
2301 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2302 cast BIT_NOT_EXPR operand to the correct type.
2304 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2306 * tree-loop-linear.c: Don't include varray.h.
2307 (gather_interchange_stats, try_interchange_loops,
2308 linear_transform_loops): Use VEC instead of VARRAY.
2309 * lambda-mat.c: Don't include varray.h.
2310 * tree-chrec.c: Same.
2311 * lambda-trans.c: Same.
2312 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2313 VEC instead of VARRAY.
2314 * tree-vectorizer.h: Idem.
2315 * tree-data-ref.c (dump_data_references,
2316 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2317 initialize_data_dependence_relation, finalize_ddr_dependent,
2318 compute_all_dependences, find_data_references_in_loop,
2319 compute_data_dependences_for_loop, analyze_all_data_dependences,
2320 free_dependence_relation, free_dependence_relations,
2321 free_data_refs): Idem.
2322 * tree-data-ref.h (data_reference_p, subscript_p): New.
2323 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2324 VEC instead of VARRAY.
2325 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2326 (find_data_references_in_loop, compute_data_dependences_for_loop,
2327 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2328 dump_data_dependence_relations, free_dependence_relations,
2329 free_data_refs): Adjust declaration.
2330 (lambda_transform_legal_p): Move declaration here...
2331 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2332 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2333 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2334 vect_analyze_data_refs): Use VEC instead of VARRAY.
2335 * lambda.h (lambda_transform_legal_p): ...from here.
2336 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2337 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2338 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2339 tree-chrec.o): Don't depend on VARRAY_H.
2341 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2343 * rtl.def (Copyright): Update date.
2344 (DEPS_LIST): Change type of the second operand to 'int'.
2345 * target.h (Copyright): Update date.
2346 (struct gcc_target.speculate_insn): Change type of the second parameter
2348 * lists.c (Copyright): Update date.
2349 (alloc_DEPS_LIST): Change signature. Update reference to the second
2350 operand of the DEPS_LIST.
2351 (copy_DEPS_LIST_list): Update reference to the second operand of the
2353 * rtl.h (Copyright): Update date.
2354 (alloc_DEPS_LIST): Update signature.
2355 * sched-int.h (Copyright): Update date.
2356 (ds_t): Change typedef to 'int'.
2357 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2359 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2361 * haifa-sched.c (Copyright): Update date.
2362 (try_ready): Change condition to restore non-speculative pattern
2364 (process_insn_depend_be_in_spec): Code to keep probability of the
2365 speculative dependence non-decreasing.
2367 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2369 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2370 shut up the compiler.
2372 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2374 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2375 to use lib prefix for target.
2376 ($(T)libic_invalidate_array_4-200.a): Likewise.
2377 ($(T)libic_invalidate_array_4a.a): Likewise.
2379 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2380 J"orn Rennecke <joern.rennecke@st.com>
2382 * superh.opt: New file.
2383 * sh.c (boardtype, osruntime): Remove.
2384 * superh.h (SUBTARGET_OPTIONS): Remove.
2385 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2387 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2388 arguments with ^ and/or [].
2390 * config.gcc (sh-*-*): Add quoting to account for quirk of
2392 Replace == with = in enable_incomplete_targets test.
2394 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2395 with MASK_LITTLE_ENDIAN.
2397 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2398 * config/sh/sh.opt: Added to some comments.
2399 * config/sh/superh.h: Removed some chaff.
2401 * config/sh/sh.opt: Add m4-[1234]00* options.
2402 * config/sh/sh.c (sh_handle_option): Likewise.
2403 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2404 (ic_invalidate_array_4-100.o): New rule.
2405 ($(T)libic_invalidate_array_4-100.a): Likewise.
2406 (ic_invalidate_array_4-200.o): Likewise.
2407 ($(T)libic_invalidate_array_4-200.a): Likewise.
2408 (ic_invalidate_array_4a.o): Likewise.
2409 ($(T)libic_invalidate_array_4a.a): Likewise.
2410 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2411 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2413 * config/sh/crt1.asm: Merged in profiling code.
2414 * config/sh/superh.h (STARTFILE_SPEC): Override.
2415 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2416 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2417 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2419 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2420 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2421 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2423 * sh.opt (mpretend-cmove): New option.
2424 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2425 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2426 (movsicc): Add TARGET_PRETEND_CMOVE code.
2428 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2430 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2431 s390_class_max_nregs): New function prototypes.
2432 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2433 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2434 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2435 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2437 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2439 * dwarf2out.c (add_location_or_const_value_attribute): Call
2440 tree_add_const_value_attribute if nothing else works.
2441 (reference_to_unused): New.
2442 (rtl_for_decl_init): Use reference_to_unused to decide whether
2443 to output an initializer.
2445 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2448 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2449 peephole removing spe frob_di_df_2.
2451 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2453 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2454 (subscript_dependence_tester_1): Declared.
2455 (print_dir_vectors, print_dist_vectors): New.
2456 (debug_data_dependence_relation): New.
2457 (dump_data_dependence_relation): Print more details.
2458 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2459 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2460 (save_dist_v, save_dir_v, add_outer_distances,
2461 build_classic_dist_vector_1): New.
2462 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2463 Don't test for lambda_vector_lexico_pos.
2464 (same_access_functions, add_multivariate_self_dist,
2465 add_other_self_distances, dir_from_dist): New.
2466 (build_classic_dir_vector): Replace implementation almost identical to
2467 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2469 (subscript_dependence_tester_1): New.
2470 (subscript_dependence_tester): Handle the lexicographically negative
2471 distance vectors by recomputing the dependence relation.
2472 (compute_affine_dependence): Remove parameter loop_nest_depth.
2473 (compute_self_dependence): Don't call compute_subscript_distance.
2474 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2475 Add a parameter for the loop_nest.
2476 (find_loop_nest_1, find_loop_nest): New.
2477 (compute_data_dependences_for_loop): Compute the loop nest, and give
2478 up if the nest is not well formed.
2479 * tree-data-ref.h (loop_p): New.
2480 (struct data_dependence_relation): Replace size_vect field with
2481 loop_nest, a vec of loops.
2482 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2483 (DDR_LOOP_NEST): New.
2484 (print_dir_vectors, print_dist_vectors,
2485 debug_data_dependence_relation): Declared.
2486 (index_in_loop_nest): New.
2487 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2488 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2491 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2493 * simplify-rtx.c (simplify_relational_operation): Call
2494 simplify_relational_operation_1 even if mode is VOIDmode.
2496 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2498 PR tree-optimization/26804
2499 * tree.h (DECL_CALL_CLOBBERED): New macro.
2500 (tree_decl_common): Add call_clobbered_flag.
2501 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2502 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2503 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2504 (mark_non_addressable): Ditto.
2505 * tree-ssa.c (verify_call_clobbered): New function.
2506 (verify_alias_info): Use it.
2507 * tree-pass.h (pass_reset_cc_flags): New prototype.
2508 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2509 (reset_cc_flags): New function.
2510 * passes.c (init_optimization_passes): Call reset_cc_flags after
2511 initializing referenced_vars.
2513 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2514 Roger Sayle <roger@eyesopen.com>
2517 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2518 to 1.0 for non-real operands. Implement A / A optimization for
2521 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2523 * config/i386/i386.c (size_cost): Correct the comment for
2524 cost of storing fp registers.
2525 (i386_cost): Likewise.
2526 (i486_cost): Likewise.
2527 (pentium_cost): Likewise.
2528 (pentiumpro_cost): Likewise.
2529 (k6_cost): Likewise.
2530 (athlon_cost): Likewise.
2531 (k8_cost): Likewise.
2532 (pentium4_cost): Likewise.
2533 (nocona_cost): Likewise.
2534 (generic64_cost): Likewise.
2535 (generic32_cost): Likewise.
2537 2006-03-24 Denis Chertykov <denisc@overta.ru>
2539 * config/avr/avr-protos.h (extra_constraint): Delete.
2540 (extra_constraint_Q): New declaration.
2541 * config/avr/constraints.md: New file.
2542 * config/avr/avr.md: Include it.
2543 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2544 (TMP_REGNO, ZERO_REGNO): Likewise.
2545 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2546 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2547 (extra_constraint): Delete.
2548 (extra_constraint_Q): Test for memory constraint 'Q'.
2549 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2550 (REG_CLASS_FROM_LETTER): Delete.
2551 (CONST_OK_FOR_LETTER_P): Delete.
2552 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2553 (EXTRA_CONSTRAINT): Delete.
2554 (TMP_REGNO): Delete.
2555 (ZERO_REGNO): Delete.
2557 2006-03-24 Jeff Law <law@redhat.com>
2559 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2560 directly. Call mark_new_vars_to_rename slightly earlier.
2562 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2564 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2566 (gen_compile_unit_die): Use new language types for Objective-C and
2568 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2569 DW_LANG_C_plus_plus.
2572 * config/t-darwin (crt3.o): Work around bug 26840.
2573 * config/darwin-crt3.c: Rewrite.
2574 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2576 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2578 * doc/invoke.texi: Document -femit-class-debug-always
2579 * common.opt: Add -femit-class-debug-always.
2581 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2583 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2584 index and base register.
2585 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2586 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2587 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2588 REGNO_OK_FOR_INDEX_P.
2589 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2591 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2592 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2593 REG_OK_FOR_BASE_P): Definitions removed.
2595 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2598 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2599 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2600 set yet or weren't marked as local yet.
2602 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2604 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2607 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2609 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2610 (rs6000_legitimate_small_data_p): Delete.
2611 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2612 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2613 and make static. Add forward declaration. Update uses.
2614 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2615 of offsettable_memref_p.
2616 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2617 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2619 2006-03-24 Jeff Law <law@redhat.com>
2621 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2622 around bug in immediate-use iterator.
2624 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2627 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2628 or __LITTLE_ENDIAN__.
2630 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2632 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2633 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2634 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2635 * config/sh/sh.opt (mdiv=): Amend description.
2636 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2637 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2638 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2639 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2640 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2641 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2642 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2643 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2644 TARGET_DIVIDE_CALL_FP.
2646 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2648 * haifa-sched.c (choose_ready): Fix type of the local variable.
2649 Move local variables. Add comment.
2650 (check_reg_live): Change signature. Make callable from debugger.
2651 * sched-int.h (check_reg_live): Update signature.
2652 * sched-ebb.c (check_reg_live): Update parameters.
2653 * sched-rgn.c (check_reg_live): Ditto.
2654 (region_head_or_leaf_p): Check pointer before dereferencing.
2655 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2656 before reload on optimization levels below 1.
2658 2006-03-23 Richard Henderson <rth@redhat.com>
2660 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2664 * config/alpha/predicates.md (local_symbolic_operand): Reject
2667 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2670 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2671 expressions which have overflowed constants.
2673 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2675 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2677 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2679 * cfgloopmanip.c (create_loop_notes): Removed.
2680 * final.c (final_scan_insn): Do not handle loop notes.
2681 * jump.c (squeeze_notes): Ditto.
2682 * cfglayout.c (skip_insns_after_block,
2683 duplicate_insn_chain): Ditto.
2684 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2686 * cfgloop.h (create_loop_notes): Declaration removed.
2688 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2690 * varasm.c (output_constant_pool): Restore fnname and fndecl
2692 (assemble_start_function): Adjust call accordingly.
2693 (assemble_end_function): Likewise.
2695 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2698 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2701 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2703 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2706 * system.h (ICE_EXIT_CODE): New macro.
2707 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2708 (diagnostic_action_after_output): Likewise.
2709 * gcc.c (fatal_ice): New function.
2710 (execute): Use it instead of fatal.
2711 (fancy_abort): Likewise.
2712 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2714 2006-03-22 Jeff Law <law@redhat.com>
2716 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2717 iv_analyze_result returning false.
2719 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2721 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2723 2006-03-22 Richard Henderson <rth@redhat.com>
2726 * except.c (duplicate_eh_regions_0): New.
2727 (duplicate_eh_region_1): Duplicate the children of the node as
2728 well as the node itself. Link them up properly.
2729 (duplicate_eh_region_2): Merge into ...
2730 (duplicate_eh_regions): ... here. Take copy_region argument, and
2731 copy only a sub-tree if asked. Simplify copying and fixup.
2732 (eh_region_outer_p): New.
2733 * except.h (duplicate_eh_regions): Update decl.
2734 (eh_region_outer_p): Declare.
2735 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2736 (lower_omp_master): Likewise.
2737 (lower_omp_ordered): Likewise.
2738 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2739 (move_stmt_r): Use it to remap labels. Handle recursion vs
2740 remap_decls_p properly.
2741 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2742 (find_outermost_region_in_block): New.
2743 (new_label_mapper): New.
2744 (move_sese_region_to_fn): Copy eh information to the new function
2746 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2748 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2751 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2753 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2754 into shared libraries.
2756 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2758 * doc/md.texi: Refer to i386/constraints.md instead of
2760 * config/i386/constraints.md: New file, extracted from...
2761 * config/i386/predicates.md: ...here.
2762 * config/i386/i386.md: Include constraints.md.
2764 2006-03-21 Jason Merrill <jason@redhat.com>
2766 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2769 * expr.c (init_block_move_fn): Force default visibility.
2770 (init_block_clear_fn): Likewise.
2771 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2772 * targhooks.c (default_external_stack_protect_fail): Likewise.
2774 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2776 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2777 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2778 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2779 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2780 (loadgp): Use mips_current_loadgp_style.
2781 (loadgp_noshared): New pattern.
2782 (sibcall_internal): Use MIPS_CALL.
2783 (sibcall_value_internal): Likewise.
2784 (sibcall_value_multiple_internal): Likewise.
2785 (call_internal): Likewise.
2786 (call_value_internal): Likewise.
2787 (call_value_multiple_internal): Likewise.
2788 (call_split): Use MIPS_CALL and add an 'S' constraint.
2789 (call_value_split): Likewise.
2790 (call_value_multiple_split): Likewise.
2791 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2792 (-mshared): New option.
2793 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2794 (mips_current_loadgp_style): Declare.
2795 * config/mips/mips.c (mips_classify_symbol): Avoid using
2796 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2797 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2798 TARGET_ABSOLUTE_ABICALLS.
2799 (override_options): Adjust comments. Improve the warning that is
2800 issued when -mabicalls and -G are used together.
2801 (mips_file_start): Remove comment.
2802 (mips_current_loadgp_style): New function.
2803 (mips_gnu_local_gp): New variable.
2804 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2806 (mips_output_function_prologue): Use mips_current_laodgp_style.
2807 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2808 the cprestore instruction.
2809 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2810 live for TARGET_ABSOLUTE_ABICALLS.
2811 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2812 (ASM_SPEC): Pass down -mshared and -mno-shared.
2813 (MIPS_CALL): New macro.
2814 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2816 * doc/invoke.texi (-mabicalls): Update documentation.
2817 (-mshared): Document.
2819 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2821 * config/ia64/unwind-hpux.c: New file.
2822 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2824 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2827 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2829 2006-03-21 Jeff Law <law@redhat.com>
2831 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2832 type conversions of a VR_VARYING source to a wider type.
2834 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2836 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2837 tm_file on Solaris 10 and later.
2838 (sparc64-*-solaris2*): Likewise.
2839 (sparc-*-solaris2*): Likewise.
2840 * config/sol26.h: Rename to config/sol2-6.h.
2841 * config/sol2-10.h: New file.
2843 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2846 * tree-ssa-pre.c (create_component_ref_by_pieces):
2849 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2852 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2853 return it immediately.
2855 2006-03-21 Michael Matz <matz@suse.de>
2857 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2859 (remove_arc, add_arc): Update num_out_arcs member.
2860 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2862 (cache_presence): New function.
2863 (compare_states_for_equiv): New function.
2864 (state_is_differed): Don't take number of outargs, adjust callers.
2865 Use new invariant for speeding up.
2866 (init_equiv_class): Create initial classes based on sorted
2868 (partition_equiv_class): Don't track out_arcs_num.
2869 (evaluate_equiv_classes): Call cache_presence on all states and
2872 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2874 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2875 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2876 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2877 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2879 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2880 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2881 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2882 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2883 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2885 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2886 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2887 (REGNO_REG_CLASS): ARGP is in PREGS.
2888 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2890 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2891 to deal with those addresses.
2892 * addresses.h: New file.
2893 * caller-save.c: Include "addresses.h".
2894 (init_caller_save): Use new base_reg_class function.
2895 * rtl-factoring.c: Include "addresses.h".
2896 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2897 * recog.c: Include "addresses.h".
2898 (preprocess_constraints): Use new base_reg_class function.
2899 * regrename.c: Include "addresses.h".
2900 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2901 functions. Keep track of a new var INDEX_CODE to compute valid
2903 (replace_oldest_value_addr): Likewise.
2904 (replace_oldest_value_mem): Use base_reg_class.
2905 * reload.c: Include "addresses.h".
2906 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2907 (find_reloads): Use new base_reg_class function.
2908 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2909 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2910 all callers and prototype changed.
2911 * reload1.c: Include "addresses.h".
2912 (maybe_fix_stack_asms): Use base_reg_class.
2913 * regclass.c: Include "addresses.h".
2914 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2915 (init_reg_autoinc): Use new base_reg_class function.
2916 (record_reg_classes): Likewise.
2917 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2918 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2919 Use new args to compute necessary class.
2921 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2922 regrename.o, rtl-factoring.o): Update dependencies.
2923 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2924 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2925 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2926 REG_OK_FOR_INDEX_P): Delete documentation.
2928 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2930 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2931 from V7 to V9 for Solaris 7 and above.
2933 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2935 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2936 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2937 argument pointers may not alias any other storage.
2938 * common.opt: Define option -fargument-noalias-anything.
2939 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2940 alias semantics is specified by flag_argument_noalias > 2.
2942 2006-03-20 Jeff Law <law@redhat.com>
2944 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2945 (pass_phi_only_cprop): Declare.
2946 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2948 * tree-ssa-dom.c (degenerate_phi_result): New function.
2949 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2950 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2951 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2952 (eliminate_degenerate_phis): Likewise.
2953 (pass_phi_only_cprop): New pass descriptor.
2954 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2955 support code. Callers updated.
2956 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2957 (store_copy_prop): Likewise.
2958 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2960 2006-03-20 Jason Merrill <jason@redhat.com>
2963 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2964 (push_visibility, pop_visibility): Likewise.
2965 * c-pragma.h: Declare them.
2967 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2969 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2971 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2972 parameter and use get_ebb_head_tail.
2973 (sh_md_init_global): Adjust uses of find_regmode_weight.
2975 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2977 * function.h (struct function) <x_tail_recursion_reentry>:
2978 Rename to x_stack_check_probe_note.
2979 (tail_recursion_reentry): Rename to stack_check_probe_note.
2980 * function.c: Replace tail_recursion_reentry with
2981 stack_check_probe_note everywhere.
2982 (expand_function_start): Only emit a note for
2983 stack_check_probe_note with -fstack-protect.
2984 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2986 * emit-rtl.c (remove_unnecessary_notes): Remove.
2987 (pass_remove_unnecessary_notes): Remove.
2988 * rtl.h (remove_unnecessary_notes): Remove prototype.
2989 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2990 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2991 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2993 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2996 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2997 (valid_in_set): Handle ARRAY_REF.
2998 Change "if min_variant or VH" to asserts.
2999 (create_component_ref_by_pieces): Handle ARRAY_REF.
3000 (create_expression_by_pieces): Likewise.
3001 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3003 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3005 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3006 is operand of switch, not str[0].
3008 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3010 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3011 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3013 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3015 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3016 end of insn_extra_address_constraint declaration.
3018 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3020 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3021 (no-sum-in-toc): Same.
3022 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3024 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3025 NO_FP_IN_TOC for -fPIC instead of mask.
3027 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3028 (BOOT_LDFLAGS): Delete.
3030 * config/rs6000/t-aix52: Same.
3032 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3033 (stmsi[345678]_power): New.
3035 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3037 * config/ia64/ia64.opt: Add empty line to end of file.
3039 2006-03-17 Richard Guenther <rguenther@suse.de>
3042 * builtins.c (get_pointer_alignment): For component style references
3043 adjust alignment to the component type alignment. Make sure
3044 to adjust alignment for component access of constants.
3046 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3048 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3051 2006-03-17 Paul Brook <paul@codesourcery.com>
3053 * doc/install.texi: Docuemnt --with-mode.
3054 * config.gcc: Add --with-mode for arm*-*-*.
3055 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3057 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3059 * sh.c (max_labelno_before_reorg): New variable.
3060 (sh_reorg): Initialize it.
3061 (find_barrier): Check max_labelno_before_reorg before using
3062 label_to_alignment. Take length of explicit alignment insns
3063 into account. When seeing a UNSPECV_CONST_END, return it.
3065 * sh.c (fixup_mova): Set mode of affected label to QImode.
3066 (untangle_mova): New function.
3067 (find_barrier): Use it. Check mode of label before decrementing
3069 (sh_reorg): Likewise.
3070 Set mode of all insns back to VOIDmode.
3072 * sh.c (MOVA_LABELREF): New macro.
3073 (mova_p, fixup_mova, sh_reorg): Use it.
3074 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3075 ADDR_DIFF_VEC matches mova.
3077 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3079 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3080 with ATTRIBUTE_UNUSED.
3082 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3084 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3085 pointer, instead of assuming it is possible to derive the
3086 correct args size from a call insn.
3088 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3090 * rtl.h (CONST_INT_P): Define.
3091 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3092 instead of GET_CODE(x) == CONST_INT.
3093 (vax_rtx_costs): Likewise.
3094 (vax_output_int_move): Likewise.
3095 (vax_output_int_add): Likewise.
3096 (legitimate_constant_address_p): Likewise.
3097 (index_term_p): Likewise.
3098 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3099 * config/vax/vax.md (and<mode>3): Likewise.
3100 (ashrsi3): Likewise.
3102 (movstricthi): Likewise.
3103 (movstrictqi): Likewise.
3104 (rotrsi3): Likewise.
3105 (five unnamed insns): Likewise.
3107 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3109 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3110 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3111 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3112 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3113 Pass to ASM_OUTPUT_DWARF_OFFSET.
3114 * dwarf2out.c (debug_frame_section): New.
3115 (output_call_frame_info): Use debug_frame_section. Pass it to
3116 dw2_asm_output_offset.
3117 (output_die): Pass appropriate section to dw2_asm_output_offset.
3118 (output_compilation_unit_header): Likewise.
3119 (output_pubnames): Likewise.
3120 (output_aranges): Likewise.
3121 (enum dw_val_class): Break dw_val_class_lbl_offset into
3122 dw_val_class_lineptr and dw_val_class_macptr.
3123 (add_AT_lbl_offset): Delete.
3124 (add_AT_lineptr): New.
3125 (add_AT_macptr): New.
3126 (AT_lbl): Expect a lineptr or macptr.
3127 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3128 (attr_checksum): Likewise.
3129 (same_dw_val_p): Likewise.
3130 (size_of_die): Likewise.
3131 (value_format): Likewise.
3132 (output_die): Likewise.
3133 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3135 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3136 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3137 * config/darwin-protos.h (darwin_file_start): New.
3138 (darwin_asm_output_dwarf_offset): New.
3139 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3140 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3142 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3143 if not EH section; simplify.
3144 (darwin_file_start): New.
3145 (darwin_asm_output_dwarf_offset): New.
3146 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3148 (DEBUG_INFO_SECTION): Likewise.
3149 (DEBUG_ABBREV_SECTION): Likewise.
3150 (DEBUG_ARANGES_SECTION): Likewise.
3151 (DEBUG_MACINFO_SECTION): Likewise.
3152 (DEBUG_LINE_SECTION): Likewise.
3153 (DEBUG_LOC_SECTION): Likewise.
3154 (DEBUG_PUBNAMES_SECTION): Likewise.
3155 (DEBUG_STR_SECTION): Likewise.
3156 (DEBUG_RANGES_SECTION): Likewise.
3157 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3158 (ASM_OUTPUT_DWARF_OFFSET): New.
3160 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3162 * config.gcc (tm_defines): Always add to previous value rather
3165 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3167 * config/mips/predicates.md (splittable_const_int_operand): New,
3168 split from move_operand.
3169 (splittable_symbolic_operand): New.
3170 (move_operand): Add commentary. Use splittable_const_int_operand.
3171 Inline mips_atomic_symbolic_constant_p.
3172 * config/mips/mips.md: Add combine splitters for handling moves
3173 of splittable_const_int_operands and splittable_symbolic_operands.
3174 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3175 (mips_split_symbol): Declare.
3176 (mips_move_integer): Declare.
3177 * config/mips/mips.c (mips_split_p): Make global.
3178 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3179 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3180 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3181 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3182 (mips_offset_within_object_p): Handle block symbols.
3183 (mips_atomic_symbolic_constant_p): Delete.
3184 (mips_cannot_force_const_mem): Return false for constants that
3185 mips_legitimize_move can handle.
3186 (mips_use_blocks_for_constant_p): New function.
3187 (mips_split_symbol): Make global.
3188 (mips_move_integer): Likewise. Add a temporary register argument.
3189 (mips_legitimize_const_move): Use splittable_const_int_operand and
3190 splittable_symbolic_operand.
3191 (mips_use_anchors_for_symbol_p): New function.
3192 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3193 (mips_split_p): Declare.
3195 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3197 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3198 (mips*-*-linux*): Likewise.
3200 2006-03-16 Roger Sayle <roger@eyesopen.com>
3201 Daniel Speyer <dspeyer@wam.umd.edu>
3204 * tree-dump.c (dump_real): New function.
3205 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3206 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3207 (tree-dump.o): Add $(REAL_H) to the dependencies.
3209 2006-03-16 Roger Sayle <roger@eyesopen.com>
3212 * real.c (real_from_string): If the mantissa is zero, don't bother
3213 parsing the exponent as the result should always be zero.
3215 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3217 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3219 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3221 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3222 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3223 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3224 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3225 ia64_sched_finish_global): New static functions to implement
3226 hooks from gcc_target.sched.
3227 (spec_check_no, max_uid, pending_data_specs): New static variables.
3228 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3229 ia64_spec_check_src_p): New static functions.
3230 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3231 (TARGET_SCHED_ADJUST_COST): Removed.
3232 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3233 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3234 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3235 TARGET_SCHED_GEN_CHECK,
3236 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3237 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3238 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3239 Fixed to handle speculation checks.
3240 (rtx_needs_barrier): Fixed to handle speculative loads and
3242 (ia64_variable_issue): Added code to count speculative loads and their
3244 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3246 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3248 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3250 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3251 (ia64_reorg): Reset stops_p to NULL after it is freed.
3252 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3253 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3254 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3256 (data_speculative, control_speculative, check_load): New attributes.
3257 (mov<mode>_advanced, mov<mode>_speculative,
3258 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3259 zero_extend<mode>di2_speculative,
3260 zero_extend<mode>di2_speculative_advanced): New patterns for
3261 data and control speculative loads.
3262 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3264 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3265 New pattern for data and control speculation checks.
3266 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3267 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3268 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3269 Auxiliary definitions for the patterns.
3270 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3271 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3273 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3275 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3276 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3277 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3278 New resource constraints.
3279 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3281 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3282 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3283 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3284 msched-in-control-spec, msched-ldc, msched-control-ldc,
3285 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3286 msched-prefer-non-control-spec-insns,
3287 msched-count-spec-in-critical-path): New flags to tune speculative
3289 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3290 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3291 msched-in-control-spec, msched-ldc, msched-control-ldc,
3292 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3293 msched-prefer-non-control-spec-insns,
3294 msched-count-spec-in-critical-path): Document new flags.
3296 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3298 * target.h (struct spec_info_def): New opaque declaration.
3299 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3300 speculate_insn, needs_block_p, gen_check,
3301 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3302 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3303 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3304 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3305 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3306 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3308 (TARGET_SCHED): Use new macros.
3309 * rtl.h (copy_DEPS_LIST_list): New prototype.
3310 * sched-int.h (struct sched_info): Change signature of new_ready field,
3311 adjust all initializations. New fields: add_remove_insn,
3312 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3313 region_head_or_leaf_p.
3314 (struct spec_info_def): New structure declaration.
3315 (spec_info_t): New typedef.
3316 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3317 recovery_block, orig_pat.
3318 (glat_start, glat_end): New variables declaraions.
3319 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3321 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3322 DETACH_LIFE_INFO, USE_GLAT.
3323 (enum SPEC_SCHED_FLAGS): New enumeration.
3324 (NOTE_NOTE_BB_P): New macro.
3325 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3326 attach_life_info, debug_spec_status, check_reg_live): New functions.
3327 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3328 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3330 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3331 * ddg.c (get_block_head_tail): Adjust all uses.
3332 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3333 (sms_sched_info): Initialize new fields.
3334 (contributes_to_priority): Removed.
3335 * haifa-sched.c (params.h): New include.
3336 (get_block_head_tail): Adjust all uses.
3337 (ISSUE_POINTS): New macro.
3338 (glat_start, glat_end): New global variables.
3339 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3340 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3341 old_last_basic_block, before_recovery, current_sched_info_var,
3342 rgn_n_insns, luid): New static variables.
3343 (insn_cost1): New function. Move logic from insn_cost to here.
3344 (find_insn_reg_weight1): New function. Move logic from
3345 find_insn_reg_weight to here.
3346 (reemit_notes, move_insn, max_issue): Change signature.
3347 (move_insn1): Removed.
3348 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3349 extend_bb): New static functions to support extension of scheduler's
3351 (generate_recovery_code, process_insn_depend_be_in_spec,
3352 begin_speculative_block, add_to_speculative_block,
3353 init_before_recovery, create_recovery_block, create_check_block_twin,
3354 fix_recovery_deps): New static functions to support
3355 generation of recovery code.
3356 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3357 restore_bb_notes, move_block_after_check, move_succs): New static
3358 functions to support ebb scheduling.
3359 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3360 functions to support handling of register live information.
3361 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3362 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3363 add_jump_dependencies): New static functions.
3364 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3365 consistancy checking.
3366 (debug_spec_status): New function to call from debugger.
3367 (priority): Added code to handle speculation checks.
3368 (rank_for_schedule): Added code to distinguish speculative instructions.
3369 (schedule_insn): Added code to handle speculation checks.
3370 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3371 Fixed to handle ebbs.
3372 (move_insn): Added code to handle ebb scheduling.
3373 (max_issue): Added code to use ISSUE_POINTS of instructions.
3374 (choose_ready): Added code to choose between speculative and
3375 non-speculative instructions.
3376 (schedule_block): Added code to handle ebb scheduling and scheduling of
3377 speculative instructions.
3378 (sched_init): Initialize new variables.
3379 (sched_finish): Free new variables. Print statistics.
3380 (try_ready): Added code to handle speculative instructions.
3381 * lists.c (copy_DEPS_LIST_list): New function.
3382 * sched-deps.c (extend_dependency_caches): New function. Move logic
3383 from create_dependency_caches to here.
3384 (get_dep_weak, ds_merge): Make global.
3385 * genattr.c (main): Code to output prototype for
3386 dfa_clear_single_insn_cache.
3387 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3388 (output_dfa_clean_insn_cache_func): Code to output
3389 dfa_clear_single_insn_cache function.
3390 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3392 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3394 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3395 New static variables.
3396 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3397 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3399 (ebb_sched_info): Initialize new fields.
3400 (get_block_head_tail): Adjust all uses.
3401 (compute_jump_reg_dependencies): Fixed to use glat_start.
3402 (schedule_ebb): Code to remove unreachable last block.
3403 (schedule_ebbs): Added code to update register live information.
3404 * sched-rgn.c (region_sched_info): Initialize new fields.
3405 (get_block_head_tail): Adjust all uses.
3406 (last_was_jump): Removed. Adjust users.
3407 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3408 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3409 Implement new hooks.
3410 (check_dead_notes1): New static function.
3411 (struct region): New fields: dont_calc_deps, has_real_ebb.
3412 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3413 (BB_TO_BLOCK): Fixed to handle EBBs.
3414 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3415 (ebb_head): New static variable.
3416 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3417 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3419 (compute_dom_prob_ps): New assertion.
3420 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3421 global_live_at_start.
3422 (init_ready_list): New assertions.
3423 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3424 (new_ready): Add support for BEGIN_CONTROL speculation.
3425 (schedule_insns): Fixed code that updates register live information
3427 (schedule_region): Fixed to handle EBBs.
3428 (init_regions): Use extend_regions and check_dead_notes1.
3429 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3430 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3431 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3432 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3433 TARGET_SCHED_GEN_CHECK,
3434 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3435 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3436 * doc/invoke.texi (max-sched-insn-conflict-delay,
3437 sched-spec-prob-cutoff): Document.
3439 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3441 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3442 inter_tick, queue_index.
3443 (struct sched_info): Change signature of init_ready_list field.
3444 Adjust all initializations.
3445 (RESOLVED_DEPS): New access macro.
3446 (ready_add): Remove prototype.
3447 (try_ready): Add prototype.
3448 * sched-rgn.c (init_ready_list): Use try_ready.
3449 (schedule_region): Initialize
3450 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3451 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3452 (init_ready_list): Use try_ready.
3453 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3454 * lists.c (remove_list_elem): Remove `static'.
3455 (remove_free_INSN_LIST_elem): New function.
3456 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3457 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3458 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3460 (readyp): New variable.
3461 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3462 change_queue_index, resolve_dep): New static functions.
3463 (try_ready): New function. Adjust callers in sched-rgn.c and
3464 sched-ebb.c to use it instead of ready_add.
3465 (clock_var): Move at the begining of file.
3466 (rank_for_schedule): Fix typo.
3467 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3468 (ready_lastpos): Enforce assertion.
3469 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3471 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3472 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3473 (queue_to_ready): Use free_INSN_LIST_list.
3474 (early_queue_to_ready): Fix typo.
3475 (schedule_block): Init readyp. Move init_ready_list call after the
3476 initialization of clock_var. Fix error in rejecting insn by
3477 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3478 that previously corrected INSN_TICKs. Add code for handling
3480 (set_priorities): Fix typo.
3481 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3482 Clarify comment and code that keeps current_sched_info->next_tail
3485 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3487 * sched-rgn.c (extend_rgns): New static function.
3488 (find_rgns): Use it.
3489 (gather_region_statistics, print_region_statistics): New static
3491 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3492 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3494 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3495 Andrey Belevantsev <abel@ispras.ru>
3497 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3498 * lists.c (unused_deps_list): New variable.
3499 (free_list): Add assertions to verify the proper distinguishing
3500 between INSN_LISTs and DEPS_LISTs.
3501 (find_list_elem, remove_list_elem, remove_list_node): New static
3503 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3504 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3505 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3506 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3508 (free_INSN_LIST_node): Likewise.
3509 * modulo-sched.c (current_sched_info): Initialize flags field.
3510 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3511 * rtl.def (DEPS_LIST): Define.
3512 * rtl.h: Declare new functions from lists.c.
3513 * sched-deps.c (spec_dependency_cache): New static variable.
3514 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3515 (add_dependence): Change return type to void. Move the logic to ...
3516 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3517 (delete_all_dependences): Add comment about forward_dependency_cache.
3518 Handle spec_dependency_cache. Handle DEPS_LISTs.
3519 (fixup_sched_groups): Clarify the change of priority of output
3520 and anti dependencies.
3521 (sched_analyze_2): Adjust add_dependence calls to create data
3522 speculative dependence.
3523 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3524 Adjust all callers. Handle DEPS_LISTS.
3525 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3526 presence of speculation.
3527 (init_dependency_caches, free_dependency_caches):
3528 Handle spec_dependency_cache.
3529 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3530 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3531 New static functions.
3532 (add_or_update_back_dep, add_or_update_back_forw_dep,
3533 add_back_forw_dep, delete_back_forw_dep): New functions.
3534 * sched-int.h (ds_t, dw_t): New typedefs.
3535 (struct sched_info): Add new field flags.
3536 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3537 Prototype new sched-deps.c functions.
3538 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3539 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3540 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3541 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3542 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3543 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3545 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3547 * sched-rgn.c (current_sched_info): Initialize flags field.
3548 (schedule_insns): Initialize current_sched_info before the sched_init
3550 * sched-ebb.c (current_sched_info): Initialize flags field.
3551 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3552 Call add_or_update_back_dep instead of add_dependence.
3553 Create control speculative dependencies.
3554 (schedule_insns): Initialize current_sched_info before the sched_init
3557 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3559 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3561 (sh_fallback_frame_state): Likewise.
3563 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3565 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3566 Do switch on default_use_cxa_atexit.
3567 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3568 * config/darwin-crt3.o: New.
3569 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3570 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3571 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3573 * config/rs6000/t-darwin: Move crt2.o building to here.
3574 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3575 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3578 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3580 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3581 from '! xxx' to '!xxx' for coding-style conformance.
3582 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3583 (EXTRA_CONSTRAINT): Likewise.
3584 * config/vax/vax.md (four unnamed insns): Likewise.
3586 2006-03-15 Paul Brook <paul@codesourcery.com>
3588 * config/arm/arm.c (minipool_pad): New.
3589 (add_minipool_forward_ref): Include pool alignment padding in address
3591 (push_minipool_fix): Set minipool_pad.
3592 (minipool_pad): Ditto.
3594 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3596 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3597 instead of GET_CODE() == MEM and REG_P() instead of
3599 (print_operand_address): Likewise.
3600 (vax_address_cost): Likewise.
3601 (vax_rtx_costs): Likewise.
3602 (vax_notice_update_cc): Likewise.
3603 (vax_output_int_add): Likewise.
3604 (INDEX_REGISTER_P): Likewise.
3605 (BASE_REGISTER_P): Likewise.
3606 (nonindexed_address_p): Likewise.
3607 (vax_mode_dependent_address_p): Likewise.
3608 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3609 (PRINT_OPERAND): Likewise.
3610 * config/vax/vax.md (ashlsi3): Likewise.
3611 (ashlsi3): Likewise.
3612 (some more unnamed insns): Likewise.
3614 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3616 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3617 iterator-style macro.
3618 (mark_control_dependent_edges_necessary): Update the use of
3619 EXECUTE_IF_CONTROL_DEPENDENT.
3621 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3623 * config/sh/predicates.md (cache_address_operand): Special.
3624 (ua_address_operand): Likewise.
3626 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3628 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3630 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3632 2006-03-15 Andreas Schwab <schwab@suse.de>
3634 * gensupport.c (identify_predicable_attribute): Don't free p_false
3635 when it is still in use.
3637 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3639 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3640 the default setting here.
3642 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3644 * tree-pass.h (pass_cfg): Remove.
3645 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3646 * passes.c (pass_cfg): Don't run it.
3648 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3650 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3651 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3653 (stack_regs_mentioned): Update the uses of
3654 stack_regs_mentioned_data. Don't access the array beyond its
3656 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3657 Don't include gt-reg-stack.h.
3659 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3660 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3662 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3665 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3668 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3670 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3672 2006-03-14 Richard Guenther <rguenther@suse.de>
3674 PR tree-optimization/26672
3675 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3678 2006-03-14 Richard Guenther <rguenther@suse.de>
3680 PR tree-optimization/26667
3681 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3682 node for the callees. Always allow inlining if it will shrink
3685 2006-03-14 Richard Guenther <rguenther@suse.de>
3688 * builtins.c (get_pointer_alignment): Prefer alignment
3689 information from decls over that from types.
3691 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3694 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3696 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3698 * config/rs6000/rs6000.opt (mdlmzb): New option.
3699 (msched-prolog, msched-epilog): Use Var not Mask.
3700 * doc/invoke.texi (-mdlmzb): Document.
3701 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3703 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3704 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3706 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3708 PR rtl-optimization/25739
3709 * bt-load.c (augment_live_range): Free tos pointer.
3711 * gensupport.c (identify_predicable_attribute): Free
3713 * gcov.c (create_file_names): Free name pointer.
3715 2006-03-13 Roger Sayle <roger@eyesopen.com>
3718 * stmt.c (emit_case_nodes): Handle the case where the index is a
3719 CONST_INT, where the comparison mode is specified by the index type.
3721 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3723 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3726 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3728 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3729 (*branch_fp_inverted): Likewise.
3731 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3734 * omp-low.c (expand_omp_for_generic): Mark istart0
3735 and iend0 as addressable.
3737 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3739 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3741 2006-03-13 Jeff Law <law@redhat.com>
3743 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3744 virtual operands are interesting.
3745 (vrp_visit_stmt): Corresponding changes.
3747 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3749 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3751 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3752 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3753 * config/bfin/crti.S: Use it instead of __PIC__.
3754 * config/bfin/crtn.S: Likewise.
3756 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3757 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3759 Lose 'G' modifier for call operand.
3760 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3761 recognize 'G' modifier.
3763 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3766 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3767 * stmt.c (expand_case): Likewise.
3769 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3771 PR rtl-optimization/26254
3772 * loop-invariant.c (seq_insns_valid_p): New function.
3773 (move_invariant_reg): Only emit new code if it is valid.
3775 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3777 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3779 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3780 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3781 (commit_one_edge_insertion): Do not look for loop notes.
3783 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3785 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3786 flag_test_coverage out of loop.
3788 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3790 * final.c (shorten_branches): Remove outdated comment, and turn
3791 the if branch that guards it to continue.
3793 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3795 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3796 * cfgloop.h (struct loop): Remove unused fields.
3798 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3800 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3801 (-dL, -fdump-rtl-loop2): Update the dump file names
3803 * doc/invoke.texi: Update dump file names.
3805 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3807 * predict.c (estimate_probability): Remove.
3808 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3809 * basic-block.h (estimate_probability): Remove prototype.
3810 * passes.c (finish_optimization_passes): Dump branch prediction or
3811 profiling heuristics to the .profile tree dump.
3812 (init_optimization_passes): Unqueue pass_branch_prob.
3814 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3816 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3818 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3819 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3821 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3823 * function.h (frame_offset_overflow): Declare.
3824 * function.c (frame_offset_overflow): New function.
3825 (assign_stack_local_1): Call it to detect that the offset overflows.
3826 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3828 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3830 * config/sh/sh.c: Include alloc-pool.h.
3831 (label_ref_list_pool): New alloc pool.
3832 (label_ref_list_t): New type for lists of labels.
3833 (struct pool_node): Make wend a label_ref_list_t.
3834 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3836 (dump_table): Likewise.
3837 (sh_reorg): Set up the alloc pool before using add_constant and
3838 dump_table, and destroy it when finishing.
3840 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3842 * config/mips/mips.c: Remove redundant comment.
3844 2006-03-10 Jason Merrill <jason@redhat.com>
3847 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3848 the target was declared 'register'.
3850 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3852 * genpreds.c (write_insn_constraint_len): Change definition of
3853 insn_constraint_len to return size_t to match the declaration.
3855 2006-03-10 DJ Delorie <dj@redhat.com>
3857 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3859 (m32c_expand_insv): Fix test for an AND mask.
3861 2006-03-10 Richard Guenther <rguenther@suse.de>
3864 * builtins.c (get_pointer_alignment): Handle component
3865 references for field alignment.
3867 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3869 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3870 when building with libgloss.
3871 (sh*elf): Implement --without-fp option.
3872 (sh64-superh-linux*): Don't multilib.
3874 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3876 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3878 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3880 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3881 Set it when one of the replacement functions returned true.
3882 Return TODO_cleanup_cfg if cfgchanged is true.
3883 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3885 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3887 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3888 instead of gen_lowpart.
3890 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3892 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3894 (mips_output_order_conditional_branch): Declare.
3895 * config/mips/mips.h (MIPS_BRANCH): New macro.
3896 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3897 for the comparison. Use gen_condjump.
3898 (mips_output_conditional_branch): Rework interface to take the
3899 asm templates for a direct branch and the inverse of a direct branch.
3900 (mips_output_order_conditional_branch): New function.
3901 (mips_builtin_branch_and_move): New function.
3902 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3903 branch condition. Use gen_single_cc as the condition for
3904 __builtin_mips_upper_* or __builtin_mips_lower_*.
3905 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3906 Use VOIDmode for the branch condition.
3907 * config/mips/predicates.md (order_operator): New predicate.
3908 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3909 (branch_fp): Rename to...
3910 (*branch_fp): ...this. Remove mode from comparison operator.
3911 Use new mips_output_conditional_branch interface.
3912 (branch_fp_inverted): Rename to...
3913 (*branch_fp_inverted): ...this and update as for *branch_fp.
3914 (*branch_zero<mode>): Rename to...
3915 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3916 Use mips_output_order_conditional_branch. Only accept ordered
3918 (*branch_zero<mode>_inverted): Rename to...
3919 (*branch_order<mode>_inverted): ...this and update as for
3920 *branch_order<mode>.
3921 (*branch_equality<mode>): Accept zero as the second operand to
3922 the equality operator. Use the new mips_output_conditional_branch
3924 (*branch_equality<mode>_inverted): Likewise.
3925 (condjump): New expander.
3926 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3928 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3929 (bc1any2t, bc1any2f): Likewise.
3930 (single_cc): New expander.
3931 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3933 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3935 * doc/md.texi: Update documentation of MIPS constraints.
3936 * config/mips/constraints.md: New file.
3937 * config/mips/mips.md: Include it.
3938 * config/mips/mips.c (mips_char_to_class): Delete.
3939 (override_options): Don't initialize mips_char_to_class.
3940 * config/mips/mips.h (mips_char_to_class): Delete.
3941 (REG_CLASS_FROM_LETTER): Delete.
3942 (CONST_OK_FOR_LETTER_P): Delete.
3943 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3944 (EXTRA_CONSTRAINT_Y): Delete.
3945 (EXTRA_CONSTRAINT_STR): Delete.
3946 (CONSTRAINT_LEN): Delete.
3947 (EXTRA_MEMORY_CONSTRAINT): Delete.
3949 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3951 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3952 original fn's eh regions.
3954 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3956 * fold-const.c (build_range_check): Make sure to use a valid type to
3957 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3960 (range_predecessor): New static function.
3961 (range_successor): Likewise.
3962 (merge_ranges): Use them to compute predecessors and successors of
3965 2006-03-09 Roger Sayle <roger@eyesopen.com>
3968 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3969 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3971 2006-03-08 DJ Delorie <dj@redhat.com>
3973 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3974 (addpsi3): Expand to include memory operands. Remove
3975 reload-specific splits.
3976 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3977 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3978 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3979 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3980 (shift1_qi, shift1_hi, insv): New.
3981 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3982 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3983 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3985 * config/m32c/m32c-protos.h: Update as needed.
3986 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3987 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3988 Fail for unrecognized R* constraints.
3989 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3990 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3991 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3993 (m32c_init_libfuncs): New.
3994 (m32c_legitimate_address_p): Add debug wrapper.
3995 (m32c_rtx_costs): New.
3996 (m32c_address_cost): New.
3997 (conversions): Add 'B' prefix.
3998 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3999 operands, or word regnames for QI operands. 'B' prints bit
4001 (m32c_expand_setmemhi): New.
4002 (m32c_expand_movmemhi): New.
4003 (m32c_expand_movstr): New.
4004 (m32c_expand_cmpstr): New.
4005 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4006 (m32c_expand_neg_mulpsi3): Handle non-ints.
4007 (m32c_cmp_flg_0): New.
4008 (m32c_expand_movcc): New.
4009 (m32c_expand_insv): New.
4010 (m32c_scc_pattern): New.
4011 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4012 a0/a1 out of SIregs.
4013 (STORE_FLAG_VALUE): New.
4014 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4017 * config/m32c/mov.md: Make constraints more liberal.
4018 (zero_extendqihi2): Optimize r0/r1 case.
4019 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4020 * config/m32c/predicates.md (m32c_any_operand): New.
4021 (m32c_nonimmediate_operand): New.
4022 (m32c_hl_operand): New.
4023 (m32c_r3_operand): New.
4026 (memsym_operand): New.
4027 (memimmed_operand): New.
4028 (a_qi_operand): New.
4029 (m32c_eqne_operator): New.
4030 (m32c_1bit8_operand): New.
4031 (m32c_1bit16_operand): New.
4032 (m32c_1mask8_operand): New.
4033 (m32c_1mask16_operand): New.
4034 * config/m32c/blkmov.md: New file.
4035 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4037 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4039 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4040 unsigned to fix signed/unsigned comparison issue in
4041 DWARF2_FRAME_REG_OUT.
4042 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4043 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4045 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4046 of ptr into the ENABLE_CHECKING section.
4048 2006-03-08 Jeff Law <law@redhat.com>
4050 * tree-vrp.c (infer_value_range): Only count pointer uses
4051 and dereferences if -fdelete-null-pointer-checks is enabled.
4053 * tree-vrp.c (find_assert_locations): Infer value ranges for
4054 single use pointers, but do not create ASSERT_EXPRs for them.
4055 When a non-null range is inferred for a pointer, backwards
4056 propagate that range to other equivalent pointers through the
4059 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4062 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4063 language hook targets.
4064 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4065 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4066 if language hook targets were missing.
4068 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4070 * tree-ssa-opfinalize.h: Removed.
4071 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4073 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4074 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4075 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4076 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4077 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4078 finalize_ssa_v_must_def_ops): New.
4080 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4082 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4085 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4087 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4089 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4090 addresses with offsets; reorganize.
4092 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4093 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4094 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4096 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4099 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4101 2006-03-08 Ben Elliston <bje@au.ibm.com>
4103 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4105 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4108 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4111 2006-03-07 Richard Guenther <rguenther@suse.de>
4113 PR tree-optimization/26587
4114 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4116 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4118 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4120 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4122 * hooks.c (hook_bool_mode_rtx_true): New function.
4123 * hooks.h (hook_bool_mode_rtx_true): Declare.
4124 * toplev.c (compile_file): Call output_shared_constant_pool.
4125 * varasm.c (shared_constant_pool): New variable.
4126 (assemble_start_function, assemble_end_function): Remove arguments
4127 from call to output_constant_pool.
4128 (create_constant_pool): New function, split out from...
4129 (init_varasm_status): ...here.
4130 (force_const_mem): Choose between the shared and per-function constant
4131 pools. Set current_function_uses_const_pool when reusing old entries
4132 as well as when creating new ones.
4133 (mark_constant): Ignore data argument.
4134 (mark_constants): Remove pool argument.
4135 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4136 to decide whether the function uses a constant pool.
4137 (output_constant_pool_contents): New function, split out from...
4138 (output_constant_pool): ...here.
4139 (output_shared_constant_pool): New function.
4140 (init_varasm_once): Initialize shared_constant_pool.
4141 * output.h (output_constant_pool): Delete.
4142 (output_shared_constant_pool): Declare.
4143 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4144 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4146 2006-03-06 Nick Clifton <nickc@redhat.com>
4148 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4149 flag_strength_reduce.
4151 2006-03-06 Ben Elliston <bje@au.ibm.com>
4153 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4154 x86_64-*-linux* configurations.
4156 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4157 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4159 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4161 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4163 * basic-block.h: Remove the extern for
4164 rediscover_loops_after_threading.
4166 * cfgloop.c (cancel_loop): Make it static.
4167 * cfgloop.h: Remove the prototype for cancel_loop.
4169 * flow.c (recompute_reg_usage): Make it static.
4170 * rtl.h: Remove the prototype for recompute_reg_usage.
4172 * function.c (use_return_register): Make it static.
4173 * function.h: Remove the prototype.
4175 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4177 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4179 * recog.h: Remove the prototype for
4180 validate_change_maybe_volatile.
4182 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4184 * rtlanal.c (replace_reg): Remove.
4185 * rtl.h: Remove the prototype for replace_reg.
4187 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4189 * regclass.c (reg_scan_update): Remove.
4190 (reg_scan_mark_refs): Remove the last argument.
4191 * rtl.h: Remove the prototype for reg_scan_update.
4193 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4195 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4196 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4197 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4198 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4199 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4200 loop-invariant.c, omp-low.c, opts.c, passes.c,
4201 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4202 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4203 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4204 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4205 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4206 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4208 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4210 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4211 * dwarf2out.h: Remove the prototype for
4212 dwarf2out_add_library_unit_info.
4214 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4216 * tree.c (add_var_to_bind_expr): Remove.
4217 * tree.h: Remove the prototype for add_var_to_bind_expr.
4219 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4221 * regclass.c (n_non_fixed_regs): Remove.
4222 (init_reg_sets_1, globalize_reg): Remove all uses of
4224 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4226 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4228 * rtlanal.c (insns_safe_to_move_p): Remove.
4229 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4231 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4233 * expmed.c (expand_mult_add): Remove.
4234 * expr.h: Remove the prototype for expand_mult_add.
4236 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4238 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4239 and REG_SAVED_VAL_EXP constants.
4240 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4241 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4242 Handle regs stored by value.
4243 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4244 (execute_cfa_program): Handle DW_CFA_val_offset,
4245 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4246 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4247 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4248 (uw_install_context_1): Handle target regs stored by value.
4250 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4252 * tree-sra.c (tree_sra): Return todoflags;
4253 (generate_one_element): Set TODO_update_smt_usage if needed.
4254 (pass_sra): Remove TODO_update_smt_usage.
4255 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4257 (tree_ssa_forward_propagate_single_use_vars): Return
4258 TODO_update_smt_usage if we need to update SMT usage.
4259 (pass_forwprop): Remove TODO_update_smt_usage.
4261 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4263 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4264 (correct_use_link): Remove reference to get_stmt_operands.
4265 (update_stmt_operands): Likewise.
4266 (get_modify_expr_operands): New function factored out of
4267 parse_ssa_operands and get_expr_operands.
4268 Try to create V_MUST_DEFs for LHS by default.
4269 (get_expr_operands) <case MODIFY_EXPR>: Call
4270 get_modify_expr_operands.
4271 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4272 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4273 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4274 get_modify_expr_operands.
4276 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4278 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4279 * tree-flow.h: Remove the prototype for
4280 referenced_var_lookup_if_exists.
4282 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4284 PR rtl-optimization/26345
4286 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4288 2006-03-03 Roger Sayle <roger@eyesopen.com>
4290 PR tree-optimization/26524
4291 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4292 fold_convert to create a constant of the appropriate type.
4294 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4296 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4297 SYMBOL_REF_IN_BLOCK_P.
4298 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4299 of SYMBOL_FLAG_IN_BLOCK.
4300 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4301 instead of SYMBOL_REF_IN_BLOCK_P.
4302 * explow.c (use_anchored_address): Likewise.
4303 * rtl.c (rtx_size): Likewise.
4304 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4305 instead of SYMBOL_FLAG_IN_BLOCK.
4306 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4307 SYMBOL_REF_IN_BLOCK_P.
4308 (assemble_variable): Likewise.
4309 (output_constant_def_contents): Likewise.
4310 (output_constant_pool): Likewise.
4311 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4312 instead of SYMBOL_FLAG_IN_BLOCK.
4313 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4314 SYMBOL_REF_IN_BLOCK_P.
4315 (SYMBOL_REF_BLOCK): Likewise.
4316 (SYMBOL_REF_OFFSET): Likewise.
4317 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4318 SYMBOL_REF_IN_BLOCK_P.
4319 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4320 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4321 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4322 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4324 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4326 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4328 2006-03-02 Roger Sayle <roger@eyesopen.com>
4330 * simplify-rtx.c (simplify_unary_operation): When simplifying
4331 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4332 that we perform the right shift in the appropriate mode, and
4333 then extend or truncate the result to requested mode.
4335 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4337 * gengtype.c (main): Handle double_int type.
4338 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4339 * double-int.c: New file.
4340 * double-int.h: New file.
4341 * system.h: Include doubleint.h.
4342 * Makefile.in (SYSTEM_H): Include double-int.h.
4343 (double-int.o): Add.
4345 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4348 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4351 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4353 * tree-vrp.c (remove_range_assertions): Do not update statements
4356 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4358 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4360 * gcse.c (rest_of_handle_gcse): Ditto.
4361 * except.c (gate_handle_eh): Ditto.
4362 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4363 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4365 2006-03-02 Eric Christopher <echristo@apple.com>
4367 * config/i386/i386.c (machopic_output_stub): Add indirection to
4370 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4374 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4376 Sun Niagara specific optimizations.
4377 * config.gcc: Recognize niagara as target.
4378 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4379 (TARGET_CPU_niagara): Define.
4380 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4381 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4382 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4383 (ASM_CPU_SPEC): Likewise.
4384 (PROCESSOR_NIAGARA): New enum entry.
4385 (REGISTER_MOVE_COST): Handle Niagara.
4386 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4387 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4388 (sparc_override_options): Recognize "niagara", set appropriate
4389 default MASK_* values for it, and align functions to 32-bytes
4390 by default just like ULTRASPARC/ULTRASPARC3.
4391 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4392 (sparc64_initialize_trampoline): Likewise.
4393 (sparc_use_sched_lookahead): Use zero for niagara.
4394 (sparc_issue_rate): Use one for niagara.
4395 * config/sparc/niagara.md: New file.
4396 * config/sparc/sparc.md: Include it.
4397 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4398 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4399 when default cpu is niagara.
4400 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4401 (ASM_CPU_SPEC): Likewise.
4402 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4403 when default cpu is niagara.
4404 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4405 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4406 just like v9/ultrasparc/ultrasparc3.
4407 * doc/invoke.texi: Add documentation for "niagara" and improve
4408 existing documentation for ultrasparc variants.
4410 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4412 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4414 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4416 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4417 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4418 and say that only one is needed.
4419 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4420 * target.h (have_switchable_bss_sections): New hook.
4421 * explow.c (use_anchored_address): Check that the symbol is in a block.
4422 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4423 (bss_noswitch_section): New variables.
4424 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4425 (get_noswitch_section): New function.
4426 (get_block_for_section): Allow SECT to be null.
4427 (unlikely_text_section_p): Use SECTION_STYLE.
4428 (bss_initializer_p): New function.
4429 (get_variable_section): Move earlier in file. Take a new argument,
4430 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4431 Return one of the new *_sections in such cases.
4432 (get_block_for_decl): New function, extracting some logic from
4433 use_blocks_for_decl_p.
4434 (change_symbol_section): Remove in favor of...
4435 (change_symbol_block): ...this new function.
4436 (use_blocks_for_decl_p): Remove checks now performed by
4438 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4439 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4440 (emit_local, emit_bss, emit_common): ...these new functions.
4441 Return true if the alignment was honored.
4442 (emit_tls_common): New function.
4443 (asm_emit_uninitialised): Delete.
4444 (assemble_variable_noswitch): New function, split out from...
4445 (assemble_variable): ...here. Don't make decisions about common
4446 variables here. Globalize all public decls that go into non-common
4447 sections. Check whether SYMBOL_REF_BLOCK is null.
4448 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4449 (output_constant_pool): Likewise.
4450 (init_varasm_once): Initialize the new section variables.
4451 (have_global_bss_p): New function.
4452 (categorize_decl_for_section): Use bss_initializer_p.
4453 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4454 (place_block_symbol): Assert that the symbol must be in a block.
4455 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4456 (TARGET_INITIALIZER): Include it.
4457 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4458 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4459 (SECTION_MACH_DEP): Bump by two.
4460 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4461 (unnamed_section): Mention SECTION_UNNAMED in comment.
4462 (named_section): Likewise SECTION_NAMED.
4463 (noswitch_section_callback): New type.
4464 (noswitch_section): New structure.
4465 (section): Add a noswitch_section alternative.
4466 (SECTION_STYLE): New macro.
4467 (tls_comm_section, comm_section, lcomm_section): Declare.
4468 (bss_noswitch_section, have_global_bss_p): Declare.
4469 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4470 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4472 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4473 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4476 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4478 * gcc/tree-vrp.c (execute_vrp): Return value.
4479 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4480 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4481 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4482 (tree_lower_complex_O0): Ditto.
4483 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4484 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4485 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4486 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4487 (execute_tail_calls): Ditto.
4488 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4489 * gcc/tree.h (init_function_for_compilation): Ditto.
4490 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4491 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4492 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4493 * gcc/final.c (compute_alignments): Ditto.
4494 (rest_of_handle_final): Ditto.
4495 (rest_of_handle_shorten_branches): Ditto.
4496 (rest_of_clean_state): Ditto.
4497 * gcc/omp-low.c (execute_expand_omp): Ditto.
4498 (execute_lower_omp): Ditto.
4499 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4500 * gcc/ipa-reference.c (static_execute): Ditto.
4501 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4502 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4503 (rest_of_handle_machine_reorg): Ditto.
4504 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4505 * gcc/flow.c (recompute_reg_usage): Ditto.
4506 (rest_of_handle_remove_death_notes): Ditto.
4507 (rest_of_handle_life): Ditto.
4508 (rest_of_handle_flow2): Ditto.
4509 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4510 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4511 (do_ssa_store_ccp): Ditto.
4512 (execute_fold_all_builtins): Ditto.
4513 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4514 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4515 * gcc/ipa-pure-const.c (static_execute): Ditto.
4516 * gcc/cse.c (rest_of_handle_cse): Ditto.
4517 (rest_of_handle_cse2): Ditto.
4518 * gcc/web.c (rest_of_handle_web): Ditto.
4519 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4520 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4521 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4522 * gcc/tree-nrv.c (tree_nrv): Ditto.
4523 (execute_return_slot_opt): Ditto.
4524 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4525 (create_structure_vars): Ditto.
4526 * gcc/loop-init.c (rtl_loop_init): Ditto.
4527 (rtl_loop_done): Ditto.
4528 (rtl_move_loop_invariants): Ditto.
4529 (rtl_unswitch): Ditto.
4530 (rtl_unroll_and_peel_loops): Ditto.
4531 (rtl_doloop): Ditto.
4532 * gcc/gimple-low.c (lower_function_body): Ditto.
4533 (mark_used_blocks): Ditto.
4534 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4535 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4536 (cgraph_early_inlining): Ditto.
4537 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4538 * gcc/jump.c (cleanup_barriers): Ditto.
4539 (purge_line_number_notes): Ditto.
4540 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4541 (rest_of_handle_if_after_reload): Ditto.
4542 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4543 (tree_ssa_loop_im): Ditto.
4544 (tree_ssa_loop_unswitch): Ditto.
4545 (tree_vectorize): Ditto.
4546 (tree_linear_transform): Ditto.
4547 (tree_ssa_loop_ivcanon): Ditto.
4548 (tree_ssa_empty_loop): Ditto.
4549 (tree_ssa_loop_bounds): Ditto.
4550 (tree_complete_unroll): Ditto.
4551 (tree_ssa_loop_prefetch): Ditto.
4552 (tree_ssa_loop_ivopts): Ditto.
4553 (tree_ssa_loop_done): Ditto.
4554 * gcc/predict.c (tree_estimate_probability): Ditto.
4555 * gcc/recog.c (split_all_insns_noflow): Ditto.
4556 (rest_of_handle_peephole2): Ditto.
4557 (rest_of_handle_split_all_insns): Ditto.
4558 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4559 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4560 (rest_of_handle_stack_adjustments): Ditto.
4561 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4562 * gcc/function.c (instantiate_virtual_regs): Ditto.
4563 (init_function_for_compilation): Ditto.
4564 (rest_of_handle_check_leaf_regs): Ditto.
4565 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4566 (rest_of_handle_gcse): Ditto.
4567 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4568 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4569 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4570 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4571 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4572 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4573 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4574 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4575 * gcc/except.c (set_nothrow_function_flags): Ditto.
4576 (convert_to_eh_region_ranges): Ditto.
4577 (rest_of_handle_eh): Ditto.
4578 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4579 (remove_unnecessary_notes): Ditto.
4580 * gcc/except.h (set_nothrow_function_flags): Ditto.
4581 (convert_to_eh_region_ranges): Ditto.
4582 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4583 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4584 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4585 (execute_fre): Ditto.
4586 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4587 (rest_of_handle_jump2): Ditto.
4588 * gcc/tree-sra.c (tree_sra): Ditto.
4589 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4590 (execute_mudflap_function_decls): Ditto.
4591 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4592 (do_store_copy_prop): Ditto.
4593 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4594 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4595 * gcc/tree-ssa-forwprop.c
4596 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4597 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4598 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4599 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4600 (execute_late_warn_uninitialized): Ditto.
4601 * gcc/rtl.h (cleanup_barriers): Ditto.
4602 (split_all_insns_noflow): Ditto.
4603 (purge_line_number_notes): Ditto.
4604 (unshare_all_rtl): Ditto.
4605 (remove_unnecessary_notes): Ditto.
4606 (recompute_reg_usage): Ditto.
4607 (variable_tracking_main): Ditto.
4608 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4609 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4610 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4611 (execute_free_cfg_annotations): Ditto.
4612 (execute_fixup_cfg): Ditto.
4613 (execute_cleanup_cfg_pre_ipa): Ditto.
4614 (execute_cleanup_cfg_post_optimizing): Ditto.
4615 (execute_init_datastructures): Ditto.
4616 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4617 * gcc/combine.c (rest_of_handle_combine): Ditto.
4618 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4619 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4620 (rest_of_handle_reorder_blocks): Ditto.
4621 (rest_of_handle_partition_blocks): Ditto.
4622 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4623 * gcc/tree-profile.c (tree_profiling): Ditto.
4624 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4625 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4626 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4627 (rest_of_handle_sched2): Ditto.
4628 * gcc/basic-block.h (free_bb_insn): Ditto.
4629 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4630 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4631 (remove_useless_stmts): Ditto.
4632 (split_critical_edges): Ditto.
4633 (execute_warn_function_return): Ditto.
4634 (execute_warn_function_noreturn): Ditto.
4635 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4636 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4637 * gcc/passes.c (execute_one_pass): Run additional
4638 todos returned by execute function.
4639 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4642 2006-03-02 Richard Guenther <rguenther@suse.de>
4644 * tree-ssa-alias.c (find_used_portions): Consider taking
4645 the address as making the variable not write-only.
4647 2006-03-02 Nick Clifton <nickc@redhat.com>
4649 * config.gcc (default_use_cxa_atexit): Extend the description of
4650 this configure variable. Set its default value to "yes" for
4651 Linux, NetBSD and ELF targets on the assumption that they will
4652 use C libraries with the __cxa_atexit function.
4654 2006-03-02 Ben Elliston <bje@au.ibm.com>
4656 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4657 parameter as unused to suppress a build warning.
4659 2006-03-02 Ben Elliston <bje@au.ibm.com>
4661 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4664 2006-03-01 Roger Sayle <roger@eyesopen.com>
4667 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4668 declared name, the weak reference name, and the typeof name.
4669 (__gthrw): Avoid expanding the declared name suffix.
4670 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4672 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4674 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4676 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4677 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4678 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4679 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4680 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4681 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4682 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4683 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4684 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4685 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4686 (DW_END_default, DW_END_big, DW_END_little): New.
4687 (DW_END_lo_user, DW_END_hi_user): Define.
4688 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4689 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4690 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4693 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4695 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4697 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4699 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4701 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4703 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4704 to 'symbol_mem_tag'.
4706 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4709 2006-03-01 Roger Sayle <roger@eyesopen.com>
4711 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4713 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4716 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4717 MACHO_DYNAMIC_NO_PIC_P.
4718 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4720 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4723 * config/darwin-protos.h (darwin_asm_output_anchor):
4725 * config/darwin-sections.def (cstring_section):
4726 Add SECTION_MERGE to the flags.
4727 (literal4_section): Likewise.
4728 (literal8_section): Likewise.
4729 (objc_selector_refs_section): Likewise.
4730 (objc_cls_refs_section): Likewise.
4731 * config/darwin.c (darwin_asm_output_anchor): New
4733 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4735 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4737 Fix PR tree-optimization/26443
4738 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4739 to todo and PROP_tmt_usage to properties_destroyed.
4740 * tree-ssa-ccp.c (pass_ccp): Ditto.
4741 (pass_store_ccp): Ditto.
4742 * tree-ssa-dom.c (pass_dominator): Ditto.
4744 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4746 * tree-ssa-operands.c: Cleanup whitespace.
4747 (get_asm_expr_operands): Move before first invocation.
4748 (get_indirect_ref_operands): Likewise.
4749 (get_tmr_operands): Likewise.
4750 (get_call_expr_operands): Likewise.
4751 (append_def): Likewise.
4752 (append_use): Likewise.
4753 (append_v_may_def): Likewise.
4754 (append_v_must_def): Likewise.
4755 (add_call_clobber_ops): Likewise.
4756 (add_call_read_ops): Likewise.
4757 (add_stmt_operand): Likewise.
4758 (add_virtual_operand): Likewise.
4759 (build_ssa_operands): Likewise.
4761 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4766 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4767 with a call expr to ...
4768 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4770 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4772 * tree-vrp.c (extract_range_from_assert): Remove special
4773 handling for types with super-types.
4775 2006-03-01 Ben Elliston <bje@au.ibm.com>
4777 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4778 and powerpc64-*-linux* configurations.
4779 * config/t-dfprules: New file.
4781 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4782 Compile dfp-bit.c from the source directory using -DWIDTH and
4783 $DFP_CFLAGS to control the compilation of that file, rather than
4784 generating width-specific versions in the build directory.
4785 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4786 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4788 2006-02-28 Zack Weinberg <zackw@panix.com>
4790 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4793 2006-02-28 Eric Christopher <echristo@apple.com>
4795 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4796 Set up IN_LIBGCC definition of TARGET_64BIT.
4797 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4799 2006-02-28 Roger Sayle <roger@eyesopen.com>
4802 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4803 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4804 cases via the construction of "expr != 0".
4806 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4808 * alias.c (alias_invariant, alias_invariant_size): Remove.
4809 (record_base_value): Remove.
4810 (memrefs_conflict_p): Don't look at alias_invariant.
4811 (end_alias_analysis): Don't free it.
4812 * alias.h (record_base_value): Remove prototype.
4814 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4815 Adam Nemet <anemet@caviumnetworks.com>
4817 * rtl.h (truncated_to_mode): Declare it.
4818 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4819 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4820 (RTL_HOOKS_INITIALIZER): Include it.
4821 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4822 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4823 reg_truncated_to_mode.
4824 * rtlanal.c (truncated_to_mode): Define it.
4825 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4827 2006-02-28 Jeff Law <law@redhat.com>
4829 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4830 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4831 the range allowed by TYPE_PRECISION.
4833 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4835 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4837 PR tree-optimization/26419
4838 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4841 2006-02-27 Zack Weinberg <zackw@panix.com>
4843 * doc/md.texi: Fix typo in previous change.
4845 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4849 2006-02-27 Zack Weinberg <zackw@panix.com>
4851 * rtl.def (define_constraint, define_register_constraint)
4852 (define_memory_constraint, define_address_constraint): New MD forms.
4853 * gensupport.c (process_rtx): Put define_constraint etc on the
4855 * genpreds.c (process_define_predicate): Adjust comment. Validate
4856 the name, and call validate_exp to validate the expression.
4857 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4858 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4859 all callers changed.
4860 (validate_exp, needs_variable, struct constraint_data)
4861 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4862 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4863 (const_dbl_constraints, constraint_max_namelen)
4864 (have_register_constraints, have_memory_constraints)
4865 (have_address_constraints, have_address_constraints)
4866 (have_extra_constraints, have_const_int_constraints)
4867 (have_const_dbl_constraints, mangle, add_constraint)
4868 (process_define_constraint, process_define_register_constraint)
4869 (write_enum_constraint_num, write_lookup_constraint)
4870 (write_insn_constraint_len, write_regclass_for_constraint)
4871 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4872 (write_insn_extra_memory_constraint)
4873 (write_insn_extra_address_constraint)
4874 (write_satisfies_constraint_fns): New.
4875 (write_tm_preds_h): If we have new-style constraint definitions,
4876 prototype the functions generated from them, and define the
4877 old constraint interface (still used by generic code) in terms of
4879 (write_insn_preds_c): If we have new-style constraint definitions,
4880 generate all relevant functions from those definitions.
4881 (main): Handle define_constraint etc.
4882 * genoutput.c (struct constraint_data, indep_constraints)
4883 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4884 (mdep_constraint_len): New data structures and functions, defined
4885 #ifdef USE_MD_CONSTRAINTS.
4886 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4887 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4888 use new logic to validate operand constraints against constraint
4890 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4892 * defaults.h: If none of the old-style constraint macros are
4893 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4894 old-style macros; and poison REG_CLASS_FROM_LETTER,
4895 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4897 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4898 * doc/md.texi: Document new constraint-definition mechanism and the
4899 C interface it provides. Remove references to old mechanism
4900 elsewhere in the document.
4901 (Machine Constraints): Use pathnames relative to gcc directory,
4902 i.e. config/ARCH/FILE. Change i386 section to refer to
4903 config/i386/predicates.md; update that section to match docstrings.
4904 * doc/tm.texi: Move all documentation of the old constraint-
4905 definition macros to their own section, clearly mark as obsolete.
4907 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4908 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4910 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4911 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4912 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4914 (splits and peepholes): Use satisfies_constraint_*.
4915 * config/i386/i386.c (memory_address_length)
4916 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4918 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4920 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4921 scalar operation to be put back into the loop.
4923 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4926 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4927 (extract_cie_info): Handle S flag in augmentation string.
4928 (execute_cfa_program): If context->signal_frame, execute also
4929 fs->pc == context->ra instructions.
4930 (uw_frame_state_for): If context->signal_frame, don't subtract one
4931 from context->ra to find FDE.
4932 (uw_update_context_1): Set context->signal_frame to
4934 (_Unwind_GetIPInfo): New function.
4935 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4936 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4938 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4939 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4940 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4941 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4942 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4943 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4944 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4945 x86_64_fallback_frame_state): Set fs->signal_frame.
4946 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4947 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4948 (frob_update_context): Likewise. Workaround missing S flag in
4949 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4950 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4951 Remove the psw_addr + 1 hack.
4953 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4955 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4956 with aggregates here.
4957 (find_func_aliases): Remove code for &<aggregate> from here.
4959 2006-02-26 Roger Sayle <roger@eyesopen.com>
4961 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4962 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4963 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4966 2006-02-26 Roger Sayle <roger@eyesopen.com>
4969 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4971 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4973 * opts.c (decode_options): Do not handle flag_strength_reduce.
4974 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4975 and OPT_fstrength_reduce.
4976 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4977 flag_prefetch_loop_arrays for being nonzero.
4978 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4980 (fprefetch-loop-arrays-rtl): Removed.
4981 (flag_prefetch_loop_arrays): Do not specify the value.
4983 * doc/passes.texi: Update documentation of loop optimizer
4985 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4986 -frerun-loop-opt): Remove.
4988 2006-02-26 Richard Guenther <rguenther@suse.de>
4990 PR tree-optimization/26421
4991 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4992 in function calls that are ADDR_EXPRs as using the whole structure.
4994 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4996 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4997 * tree-pass.h (pass_loop_optimize): Remove.
4998 * passes.c (pass_loop_optimize): Never run it.
4999 * toplev.c (backend_init): Don't call init_loop.
5000 * opts.c (flag_loop_optimize_set): Remove.
5001 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5002 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5003 the old RTL loop optimizer when profiling enabled.
5004 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5005 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5006 pre-headers for the sake of the old RTL loop optimizer.
5007 * Makefile.in: Remove all references to loop.o.
5009 * doc/invoke.texi: Remove all references to -floop-optimize
5010 and -frerun-loop-opt.
5012 2006-02-26 Zack Weinberg <zackw@panix.com>
5014 * doc/md.texi (Machine Constraints): Refer to all files with paths
5015 relative to gcc directory (i.e. config/CPU/file). Add missing
5016 @table @code ... @end table to M32C subsection.
5018 2006-02-26 Roger Sayle <roger@eyesopen.com>
5020 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5022 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5024 2006-02-26 Roger Sayle <roger@eyesopen.com>
5025 James A. Morrison <phython@gcc.gnu.org>
5028 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5029 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5030 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5031 signedness of the shift operation.
5033 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5035 PR tree-optimization/26359
5036 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5038 2006-02-25 Roger Sayle <roger@eyesopen.com>
5040 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5041 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5042 as X == 0, and some symmetry related transformations.
5043 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5045 2006-02-25 Roger Sayle <roger@eyesopen.com>
5048 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5049 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5050 symmetry related transformations. Fold (X^C1) == C2 as
5053 2006-02-25 Juergen Weigert <jw@suse.de>
5054 Richard Guenther <rguenther@suse.de>
5056 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5058 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5060 * combine.c (gen_lowpart_or_truncate): Call
5061 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5063 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5065 * doc/invoke.texi: Move -fopenmp description to "Options for
5067 Remove reference to -lgomp.
5069 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5071 * doc/install.texi: Require GNU tar version 1.14.
5073 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5075 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5076 * doc/invoke.texi (C++ Dialect Options): Document
5077 -fno-use-cxa-get-exception-ptr.
5078 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5079 * configure: Regenerate.
5080 * c.opt (fuse-cxa-get-exception-ptr): New.
5081 * c-opts.c (c_common_handle_option): Handle
5082 OPT_fuse_cxa_get_exception_ptr.
5083 * c-common.c (flag_use_cxa_atexit): Update documentation.
5084 (flag_use_cxa_get_exception_ptr): New.
5085 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5086 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5088 (C_COMMON_OVERRIDE_OPTIONS): New.
5090 2006-02-24 Roger Sayle <roger@eyesopen.com>
5093 * combine.c (try_combine): Explicitly check whether GET_CODE is
5094 a SET or a CLOBBER, instead on checking that it isn't a USE.
5096 2006-02-24 Roger Sayle <roger@eyesopen.com>
5098 * fold-const.c (fold_comparison): New subroutine of fold_binary
5099 containing transformations common to both the equality and
5100 ordering relational operators, factored out of fold_binary.
5101 (fold_binary): Separate out the equality operators (EQ_EXPR
5102 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5103 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5104 transformations common to both.
5105 (fold_div_compare): Fix latent bugs in the previously unreachable
5106 LT_EXPR and GE_EXPR cases.
5108 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5110 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5111 decl libname for clog to __clog on AIX.
5113 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5115 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5118 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5119 output traceback table for thunks. Localise rs6000_stack_info call.
5121 2006-02-23 Roger Sayle <roger@eyesopen.com>
5122 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5124 * gthr-posix.h (__gthrw): Fix typo in comment.
5126 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5128 * doc/cpp.texi (Character sets): Document that we do support
5129 input files to be in any character set.
5131 2006-02-23 Jeff Law <law@redhat.com>
5133 * tree.h (PHI_ARG_NONZERO): Remove.
5134 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5135 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5136 node to the new node.
5138 PR tree-optimization/26425
5139 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5140 min/max, then assume its varying.
5142 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5144 PR rtl-optimization/26316
5145 * rtlanal.c (enum may_trap_p_flags): New.
5146 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5147 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5148 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5149 (may_trap_after_code_motion_p): New function.
5150 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5151 (find_invariant_insn): Use may_trap_after_code_motion_p.
5152 * rtl.h (may_trap_after_code_motion_p): Declare.
5154 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5156 * emit-rtl.c (immed_double_const): Cleanup.
5158 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5160 Fix PR tree-optimization/26376
5161 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5164 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5167 * gimplify.c (omp_add_variable): Guard variable size decl test with
5168 DECL_SIZE (decl) check.
5170 2006-02-23 Richard Guenther <rguenther@suse.de>
5173 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5174 like aggregate types.
5176 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5178 * configure.ac: Add --with{,out}-long-double-128 configure option.
5179 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5180 * configure: Rebuilt.
5181 * config.in: Rebuilt.
5182 * doc/install.texi (Options specification): Document
5183 --with-long-double-128.
5185 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5186 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5187 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5188 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5190 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5192 * config/s390/s390.c (override_options): Handle
5193 TARGET_DEFAULT_LONG_DOUBLE_128.
5195 * config/alpha/alpha.c (override_options): Handle
5196 TARGET_DEFAULT_LONG_DOUBLE_128.
5198 * config/sparc/sparc.c (sparc_override_options): Handle
5199 TARGET_DEFAULT_LONG_DOUBLE_128.
5201 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5203 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5204 (real-install-headers-tar, real-install-headers-cpio)
5205 (real-install-headers-cp): New targets.
5207 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5209 * tree.h (variable_section): Delete.
5210 * varasm.c (variable_section): Delete.
5212 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5214 * install.texi: Add notes on install.texi2html.
5215 (Building in parallel): Do not use footnotes.
5217 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5220 * doc/install.texi (Configuration): Document --disable-libgomp.
5222 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5224 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5226 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5228 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5229 (vec_extractv2df_0_sse): New.
5231 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5233 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5234 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5235 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5236 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5237 to the result of the expression.
5238 (def_cfa_1): Adjust.
5239 (frame_pointer_cfa_offset): Rename to...
5240 (frame_pointer_fb_offset): ... this. Adjust all uses.
5241 (convert_cfa_to_loc_list): Rename to...
5242 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5243 Pass it on to build_cfa_loc.
5244 (compute_frame_pointer_to_cfa_displacement): Rename to...
5245 (compute_frame_pointer_to_fb_displacement): ... this. New
5246 offset parameter. Use it in computation.
5247 (gen_subprogram_die): Compute cfa_fb_offset with the new
5248 macro, and use it to compute the fb loc list and the
5251 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5253 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5254 replaced with register_operand.
5255 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5256 non-DREG is expensive.
5257 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5258 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5261 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5263 * doc/install.texi2html: Use set -e.
5265 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5267 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5268 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5269 * doc/invoke.texi (-fshared-data): Delete.
5270 * common.opt (fshared-data): Delete.
5271 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5272 (assemble_static_space): Remove #if 0 code.
5273 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5274 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5275 * config/cris/cris.h: Remove FIXME.
5277 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5279 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5282 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5285 * combine.c (simplify_shift_const_1): Disable nested shifts
5286 optimization for vector shifts.
5288 2006-02-20 Roger Sayle <roger@eyesopen.com>
5290 PR tree-optimization/26361
5291 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5292 of unsigned integer types.
5294 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5296 * tree-chrec.c (eq_evolutions_p): New.
5297 * tree-chrec.h (eq_evolutions_p): Declared.
5298 * tree-data-ref.c: Fix formatting.
5299 (datadep_stats, dependence_stats): New.
5301 (print_direction_vector): New.
5302 (dump_data_dependence_relation): Use print_direction_vector.
5303 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5304 (compute_subscript_distance): Static.
5305 (initialize_data_dependence_relation): Static. Get the number
5306 of loops surrounding the references from the callers, and initialize
5307 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5308 base_object_differ_p analyzers.
5309 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5310 compute_overlap_steps_for_affine_1_2,
5311 analyze_subscript_affine_affine): Count the classified dependences.
5312 Print a message when a test failed.
5313 (can_use_analyze_subscript_affine_affine): New.
5314 (analyze_siv_subscript): Compute the data dependences on symbolic
5315 scevs that verify can_use_analyze_subscript_affine_affine.
5316 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5317 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5318 Handle symbolic scevs.
5319 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5321 (subscript_dependence_tester): Moved...
5322 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5323 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5324 DDR_SIZE_VECT instead of getting it in parameter.
5325 (subscript_dependence_tester): ... here. Take as a parameter
5326 loop_nest_depth. Call build_classic_dist_vector and
5327 build_classic_dir_vector.
5328 (compute_affine_dependence): Update subscript_dependence_tester
5329 parameters. Update datadep_stats counters. Call
5330 compute_subscript_distance.
5331 (compute_self_dependence): Save the dist and dir vectors. Call
5332 compute_subscript_distance.
5333 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5334 (compute_all_dependences): Reorder parameters as they were before
5335 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5336 compute_subscript_distance. Update the use of
5337 compute_affine_dependence and initialize_data_dependence_relation.
5338 (find_data_references_in_loop): Handle COMPONENT_REF.
5339 (compute_data_dependences_for_loop): Initialize dependence_stats.
5340 Don't call build_classic_dist_vector and build_classic_dir_vector.
5341 Update the parameters of initialize_data_dependence_relation and
5342 compute_all_dependences. Print the statistics from datadep_stats.
5343 (analyze_all_data_dependences): Static. Not used until the pass for
5344 checking the data dependences is contributed.
5345 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5346 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5347 (initialize_data_dependence_relation, compute_affine_dependence,
5348 analyze_all_data_dependences, compute_subscript_distance): Removed.
5349 (print_direction_vector): New.
5350 * lambda.h (gcd): ... here.
5351 (lambda_vector_gcd): Moved here from gcd_vector.
5352 * lambda-code.c (gcd, gcd_vector): Removed.
5353 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5354 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5356 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5358 * ipa-type-escape.c: Tidy some comments and white space.
5359 * tree-ssa-operands.c: Likewise.
5361 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5364 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5365 (dump_decl_name): Do not walk the decl tree chains.
5366 * tree-pass.h (TDF_CHAIN): Remove.
5368 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5370 * Makefile.in (C): Remove
5372 (.PHONY): Remove C and PROTO
5374 2006-02-20 Roger Sayle <roger@eyesopen.com>
5377 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5378 deprecated CHAR_TYPE tree code.
5380 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5382 * configure.ac (target_list): Add install-info, dvi, html.
5383 * configure: Regenerate.
5385 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5386 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5387 treelang/Make-lang.in: Do not use double-colon rules.
5389 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5391 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5392 (TMT_USED_ALONE): New macro.
5393 * tree-pass.h (PROP_tmt_usage): New property.
5394 (TODO_update_tmt_usage): New todo.
5395 * tree-ssa-alias.c (updating_used_alone): New variable.
5396 (recalculate_used_alone): New function.
5397 (compute_may_aliases): Set updating_used_alone, call
5398 recalculate_used_alone.
5399 * tree-sra.c (pass_sra): Note that this pass destroys
5400 PROP_tmt_usage, and add TODO_update_tmt_usage.
5401 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5402 * tree-flow.h (updating_used_alone): Prototype.
5403 (recalculate_used_alone): Ditto.
5404 * passes.c (execute_todo): Add code to set updating_used_alone,
5405 and call recalculate.
5406 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5407 for clobber if used alone, and add assert to verify used_alone
5410 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5412 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5413 for non tls symbols added.
5414 (legitimize_address): Do nothing for PLUS expressions if one of the
5415 addends is a tls symbol reference.
5417 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5421 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5423 * Makefile.in (BOOTSTRAPPING): New.
5424 (quickstrap): New definition if BOOTSTRAPPING=yes.
5426 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5427 * configure.ac: Substitute all_selected_languages with the languages
5428 that were configured. For all the other variables except
5429 lang_specs_files, include all the languages in the tree.
5430 * configure: Regenerate.
5432 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5433 if there is one. Run the commands to run fixincludes in the same
5436 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5437 * doc/install.texi: Document exact conventions for searching target tools.
5438 Document --with-build-time-tools. Document toplevel bootstrap. Document
5439 something more about building an Ada cross-compiler. Don't list GNU Make
5440 requirements which affect all platforms.
5442 2006-02-19 Roger Sayle <roger@eyesopen.com>
5445 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5446 only equivalent if the have both the same mode and precision.
5448 2006-02-20 Ben Elliston <bje@au.ibm.com>
5450 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5452 2006-02-19 Roger Sayle <roger@eyesopen.com>
5453 Steven Bosscher <stevenb.gcc@gmail.com>
5455 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5456 constant pool references to identify stack mode constants.
5457 * rtlanal.c (constant_pool_constant_p): New predicate to check
5458 whether operand is a floating point constant in the pool.
5459 * rtl.h (constant_pool_constant_p): Prototype here.
5460 * loop.c (scan_loop): Avoid hoisting constants from the constant
5461 pool on STACK_REGS targets.
5462 (load_mems): Likewise.
5463 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5464 loads into x87 registers expensive in terms of register pressure.
5466 2006-02-19 Roger Sayle <roger@eyesopen.com>
5468 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5469 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5471 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5473 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5474 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5476 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5478 * doc/invoke.texi: Document -fipa-pta.
5479 * common.opt: Add ipa-pta option.
5480 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5481 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5482 (do_ds_constraint): Ditto.
5483 (get_constraint_for): Only add to referenced_vars if
5484 referenced_vars exists.
5485 (insert_into_field_list): Rewrite to do this unsorted.
5486 (insert_into_field_list_sorted): Rename old insert_into_field_list
5488 (create_function_info_for): Use insert_into_field_list_sorted.
5489 (create_variable_info_for): Rewrite so it uses unsorted version,
5490 since the field list is sorted.
5491 (intra_create_variable_infos): Only add to referenced_vars if
5492 referenced_vars exists.
5493 (ipa_pta_execute): Init heapvars, and delete when done.
5494 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5496 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5498 * doc/install.texi: Add missing `@samp'.
5500 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5502 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5505 2006-02-18 Mark Wielaard <mark@klomp.org>
5507 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5508 who added new 4.1 features, bug fixes and integration support.
5510 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5513 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5516 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5518 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5519 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5520 (copy_insn_1): Likewise. Don't copy each field individually.
5522 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5524 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5525 * rtl.c (rtx_size): Rename variable to...
5526 (rtx_code_size): ...this.
5527 (rtx_size): New function.
5528 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5529 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5531 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5532 * rtl.h (rtx_code_size): New variable.
5533 (rtx_size): Change from a variable to a function.
5534 (RTX_SIZE): Rename to...
5535 (RTX_CODE_SIZE): ...this.
5538 PR tree-optimization/17106
5539 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5540 (Anchored Addresses): New section.
5541 * doc/invoke.texi (-fsection-anchors): Document.
5542 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5543 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5544 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5545 * hooks.c (hook_bool_mode_rtx_false): New function.
5546 * hooks.h (hook_bool_mode_rtx_false): Declare.
5547 * gengtype.c (create_optional_field): New function.
5548 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5549 SYMBOL_REF_IN_BLOCK_P is true.
5550 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5551 (min_anchor_offset, max_anchor_offset): Likewise.
5552 (use_anchors_for_symbol_p): New hook.
5553 * toplev.c (compile_file): Call output_object_blocks.
5554 (target_supports_section_anchors_p): New function.
5555 (process_options): Check that -fsection-anchors is only used on
5556 targets that support it and when -funit-at-a-time is in effect.
5557 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5558 if the decl doesn't have one.
5559 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5560 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5561 of force_const_mem through use_anchored_address.
5562 (expand_expr_constant): New function.
5563 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5564 calling expand_expr for INDIRECT_REF.
5565 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5566 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5567 * expr.h (use_anchored_address): Declare.
5568 * loop-unroll.c: Don't declare rtx vectors here.
5569 * explow.c: Include output.h.
5570 (validize_mem): Call use_anchored_address.
5571 (use_anchored_address): New function.
5572 * common.opt (-fsection-anchors): New switch.
5573 * varasm.c (object_block_htab, anchor_labelno): New variables.
5574 (hash_section, object_block_entry_eq, object_block_entry_hash)
5575 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5576 (use_blocks_for_decl_p, change_symbol_section): New functions.
5577 (get_variable_section): New function, split out from assemble_variable.
5578 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5579 use_blocks_for_decl_p say so. Use change_symbol_section if the
5580 symbol has already been created.
5581 (assemble_variable_contents): New function, split out from...
5582 (assemble_variable): ...here. Don't output any code for
5583 block symbols; just pass them to place_block_symbol.
5584 Use get_variable_section and assemble_variable_contents.
5585 (get_constant_alignment, get_constant_section, get_constant_size): New
5586 functions, split from output_constant_def_contents.
5587 (build_constant_desc): Create a block symbol if use_object_blocks_p
5588 says so. Or into SYMBOL_REF_FLAGS.
5589 (assemble_constant_contents): New function, split from...
5590 (output_constant_def_contents): ...here. Don't output any code
5591 for block symbols; just pass them to place_section_symbol.
5592 Use get_constant_section and get_constant_alignment.
5593 (force_const_mem): Create a block symbol if use_object_blocks_p and
5594 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5595 (output_constant_pool_1): Add an explicit alignment argument.
5596 Don't switch sections here.
5597 (output_constant_pool): Adjust call to output_constant_pool_1.
5598 Switch sections here instead. Don't output anything for block symbols;
5599 just pass them to place_block_symbol.
5600 (init_varasm_once): Initialize object_block_htab.
5601 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5602 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5603 (place_block_symbol, get_section_anchor, output_object_block)
5604 (output_object_block_htab, output_object_blocks): New functions.
5605 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5606 (TARGET_ASM_OUT): Include it.
5607 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5608 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5609 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5610 (TARGET_INITIALIZER): Include them.
5611 * rtl.c (rtl_check_failed_block_symbol): New function.
5612 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5613 (block_symbol, object_block): New structures.
5614 (rtx_def): Add a block_symbol field to the union.
5615 (BLOCK_SYMBOL_CHECK): New macro.
5616 (rtl_check_failed_block_symbol): Declare.
5617 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5618 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5619 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5620 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5621 * output.h (output_section_symbols): Declare.
5622 (object_block): Name structure.
5623 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5624 (default_use_anchors_for_symbol_p): Declare.
5625 * Makefile.in (RTL_BASE_H): Add vec.h.
5626 (explow.o): Depend on output.h.
5627 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5628 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5629 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5630 (rs6000_use_blocks_for_constant_p): New function.
5632 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5634 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5636 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5639 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5642 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5644 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5648 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5651 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5652 instead of DECL_REGISTER.
5654 2006-02-18 Olivier Hainque <hainque@adacore.com>
5657 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5659 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5662 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5663 * opth-gen.awk: Handle Var and InverseMask together.
5664 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5665 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5666 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5667 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5669 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5670 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5671 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5672 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5673 LINUX_DYNAMIC_LINKER): Define.
5674 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5675 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5677 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5678 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5679 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5680 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5681 (TARGET_C99_FUNCTIONS): Don't define.
5682 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5683 GLIBC_DYNAMIC_LINKER.
5684 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5685 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5686 GLIBC_DYNAMIC_LINKER64): Define.
5687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5688 LINUX_DYNAMIC_LINKER64.
5689 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5691 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5693 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5694 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5695 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5696 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5697 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5698 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5699 and LINUX_DYNAMIC_LINKER32.
5700 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5701 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5702 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5703 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5704 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5706 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5707 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5708 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5709 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5710 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5711 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5712 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5713 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5714 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5715 LINUX_DYNAMIC_LINKER): Define.
5716 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5717 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5718 GLIBC_DYNAMIC_LINKER64): Define.
5719 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5720 LINUX_DYNAMIC_LINKER64.
5721 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5722 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5723 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5724 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5725 LINUX_DYNAMIC_LINKER): Define.
5726 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5727 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5728 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5729 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5730 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5731 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5732 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5733 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5734 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5735 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5736 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5737 * doc/invoke.texi (-muclibc): Remove caveat about supported
5740 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5742 * doc/cpp.texi (__TIMESTAMP__): Document.
5744 2006-02-17 Roger Sayle <roger@eyesopen.com>
5747 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5748 C is one less than the width of X (and related transformations).
5749 * simplify-rtx.c (simplify_unary_operation_1): Transform
5750 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5751 depending on STORE_FLAG_VALUE, were C is one less then the
5754 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5756 Fix PR tree-optimization/26341
5757 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5758 about NAME_MEMORY_TAG's.
5760 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5763 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5764 with hardware float support, and software float support. Add fcpy
5765 alternative to hardware patterns. Add alternatives to copy between
5766 general and floating-point registers to the 32-bit pattern.
5767 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5768 secondary reload to load a QI or HI mode constant into a floating
5770 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5771 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5773 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5776 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5778 (load_macho_picbase_di): Likewise.
5780 2006-02-16 Jeff Law <law@redhat.com>
5782 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5783 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5784 (ssa_name_nonzero_p): Likewise.
5785 (get_value_range): Return NULL if VRP is not running.
5786 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5787 VRP routines do not discover a range.
5788 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5789 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5790 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5791 (tree_expr_nonnegative_p): Similarly.
5792 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5793 (restore_nonzero_vars_to_original_value): Remove.
5794 (unsafe_associative_fp_binop): Remove.
5795 (tree_ssa_dominator_optimize): Remove initialization and
5796 finalization of nonzero_vars and nonzero_vars_stack.
5797 (dom_opt_initialize_block): No longer push marker on
5799 (dom_opt_finalize_block): No longer call
5800 restore_nonzero_vars_to_original_value.
5801 (record_equivalences_from_phis): No longer look for
5802 nonzero PHI arguments.
5803 (cprop_into_successor_phis): No longer propagate nonzero
5804 property into PHI arguments. Lose unused argument. Caller
5806 (record_equivalences_from_stmt): No longer record nonzero
5807 values for SSA_NAMEs.
5808 (lookup_avail_expr): No longer use nonzero_vars.
5810 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5811 for sizetype when sizetype is unsigned.
5813 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5815 PR rtl-optimization/25603
5816 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5817 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5818 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5819 with new meaning of SETS.
5821 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5826 * config/linux.opt: New file.
5827 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5828 LINUX_DYNAMIC_LINKER): Define.
5829 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5830 * config.gcc (*-*-linux*): Define extra_options.
5831 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5832 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5833 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5834 GLIBC_DYNAMIC_LINKER.
5835 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5836 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5837 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5839 * doc/invoke.texi (GNU/Linux Options): New section.
5841 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5843 * config/sparc/sparc.md (setjmp): Rewrite.
5844 (setjmp_32): Delete.
5845 (setjmp_64): Likewise.
5847 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5849 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5852 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5854 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5857 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5859 PR rtl-optimization/26296
5860 * Makefile.in (loop-invariant.c): Add except.h dependency.
5861 * loop-invariant.c: Include except.h.
5862 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5864 2005-02-16 Paul Brook <paul@codesourcery.com>
5866 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5869 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5871 PR rtl-optimization/25636
5872 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5873 when deciding whether an insn is an initializing insn.
5875 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5877 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5878 (tree_code_size): Ditto.
5879 * tree.h (struct tree_memory_tag): Remove parent_var.
5880 (struct tree_struct_field_tag): New.
5883 (union tree_node): Add sft member.
5884 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5886 (create_sft): Add size and offset argument, set SFT_OFFSET and
5888 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5889 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5890 * tree-flow-inline.h (get_subvar_at): Update for
5891 SFT_OFFSET/SFT_SIZE.
5892 (var_can_have_subvars): Ditto.
5893 (overlap_subvar): Ditto.
5894 * print-tree.c (print_node): Print out interesting things for
5896 * tree-flow.h (struct subvar): Remove offset and size members.
5897 * tree-ssa-operands.c (get_expr_operands): Update for
5898 get_indirect_ref_operands changes.
5899 (get_indirect_ref_operands): Call add_virtual_operand instead of
5900 add_stmt_operand. Only recurse on base var if requested.
5901 (access_can_touch_variable): New function.
5902 (add_stmt_operand): Split virtual operand handling into ...
5903 (add_virtual_operand): Here. Add offset, size, and for_clobber
5904 arguments. Prune alias sets.
5905 (add_call_clobber_ops): Call add_virtual_operand.
5907 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5910 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5912 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5913 than TREE_CODE as index into omp_clause_num_ops array.
5915 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5917 PR rtl-optimization/26184
5918 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5920 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5921 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5922 must_precede, must_follow and tobe_scheduled.
5925 * opts.c (common_handle_option): Free new_option pointer.
5926 * df-core.c (df_analyze): Free postorder pointer.
5928 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5930 * Makefile.in: Fix the examples about the use of stamps
5932 2006-02-15 Michael Matz <matz@suse.de>
5936 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5937 influenced by maximum_field_alignment or DECL_PACKED.
5938 (update_alignment_for_field): Ditto.
5939 (place_field): Ditto.
5940 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5943 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5945 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5946 (debug_flow_info): Pass it.
5947 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5948 * bb-reorder.c (reorder_basic_blocks): Likewise.
5949 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5950 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5951 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5952 * gcse.c (gcse_main, bypass_jumps): Likewise.
5953 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5954 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5955 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5956 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5957 * rtl.h (dump_flow_info): Adjust prototype.
5958 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5959 * var-tracking.c (variable_tracking_main): Likewise.
5960 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5961 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5964 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5966 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5969 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5971 PR tree-optimization/26209
5972 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5973 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5975 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5977 2006-02-14 Roger Sayle <roger@eyesopen.com>
5980 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5981 (X,Y) and the corresponding symmetry related transformations.
5982 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5983 (X,Y) and its symmetry related transformations.
5985 2006-02-14 Roger Sayle <roger@eyesopen.com>
5987 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5990 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5992 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5994 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5997 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5998 support COMDAT group.
5999 * configure: Regenerate.
6001 2006-02-14 Roger Sayle <roger@eyesopen.com>
6006 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6008 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6010 Fix PR tree-optimization/26260
6012 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6014 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6015 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6016 * tree-ssa-structalias.c (create_variable_info_for): Use
6017 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6019 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6021 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6023 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6024 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6025 of the ending condition.
6026 * tree-ssa-loop-manip.c: Include params.h.
6027 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6028 tree_unroll_loop): New functions.
6029 * tree-pass.h (pass_loop_prefetch): Declare.
6030 * loop.c (rest_of_handle_loop_optimize): Test for
6031 -fprefetch-loop-arrays-rtl.
6032 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6033 * timevar.def (TV_TREE_PREFETCH): New timevar.
6034 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6035 pass_loop_prefetch): New.
6036 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6037 (cleanup_tree_cfg_loop): Call scev_reset.
6038 * common.opt (fprefetch-loop-arrays-rtl): Add.
6039 * tree-ssa-loop-prefetch.c: New file.
6040 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6041 (new_temp_expr_table): Initialize expr_vars.
6042 (free_temp_expr_table): Cleanup expr_vars.
6043 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6044 expressions from being merged into one.
6045 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6046 (struct tree_niter_desc): Add control, bound and cmp fields.
6047 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6049 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6050 (tree-cfgcleanup.o): Add SCEV_H dependency.
6051 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6052 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6054 2006-02-14 Richard Guenther <rguenther@suse.de>
6056 PR tree-optimization/26258
6057 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6058 in PHI argument processing.
6060 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6062 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6063 new expression in the requested machine mode.
6065 2006-02-13 Roger Sayle <roger@eyesopen.com>
6067 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6068 directly, instead let do_compare_rtx_and_jump handle this for us.
6069 * expr.c (expand_expr_real_1): Likewise.
6070 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6071 before do_jump_by_parts_greater.
6072 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6073 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6075 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6077 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6079 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6081 PR rtl-optimization/26235
6082 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6083 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6086 2006-02-13 Jeff Law <law@redhat.com>
6088 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6091 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6094 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6095 twice if decl is a builtin. When trying again, call get_callee_fndecl
6096 first to verify it is still a builtin.
6098 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6100 * dwarf2out.c (base_type_die): Don't add AT_name here.
6101 (subrange_type_die): Don't add AT_name here.
6102 (modified_type_die): Rearrange code flow. Do add AT_name here.
6104 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6106 PR rtl-optimization/26247
6107 PR rtl-optimization/26248
6108 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6110 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6112 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6113 * config/fixtfdi.c: Likewise.
6114 * config/fixunstfdi.c: Likewise.
6115 * config/floatditf.c: Likewise.
6117 2006-02-13 Roger Sayle <roger@eyesopen.com>
6120 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6121 into (X,C2) if C1 is a subset of the bits of C2. Transform
6122 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6124 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6126 2006-02-13 Josh Conner <jconner@apple.com>
6129 * varasm.c (function_section): Check for section name before
6130 calling select_section on targets that define
6131 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6132 unlikely_text_section instead of hot_function_section if
6133 first_function_block_is_cold.
6135 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6138 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6140 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6142 PR rtl-optimization/26222
6143 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6144 after tree->rtl expansion.
6145 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6146 before passing it to emit_move_insn.
6148 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6150 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6152 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6153 Clarify documentation.
6154 * c-common.h (warn_write_strings): Remove.
6155 * c-common.c (warn_write_strings): Likewise.
6156 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6159 2006-02-12 Roger Sayle <roger@eyesopen.com>
6162 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6163 (do_jump_parts_zero_rtx): New function renamed from
6164 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6165 (do_jump_parts_equality_rtx): New function split out from
6166 do_jump_parts_equality. Old implementation renamed as above.
6167 Call do_jump_parts_zero_rtx if either operand is zero.
6168 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6169 do all of the heavy lifting.
6170 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6171 calling either do_jump_by_parts_greater_rtx or
6172 do_jump_by_parts_equality_rtx.
6173 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6174 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6175 moved to do_compare_rtx_and_jump, call it directly.
6176 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6177 mode argument. Call do_compare_rtx_and_jump.
6178 (emit_case_nodes): Update calls to do_jump_if_equal.
6180 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6182 PR rtl-optimization/26225
6183 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6185 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6187 PR rtl-optimization/26232
6188 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6190 2006-02-11 Jason Merrill <jason@redhat.com>
6193 * tree-inline.c (declare_return_variable): Just don't use the
6194 modify target if it's a gimple complex reg and the return slot
6197 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6199 * doc/contrib.texi: Update my entry.
6201 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6203 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6205 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6207 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6210 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6212 * doc/invoke.texi (-floop-optimize2): Removed.
6213 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6214 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6215 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6216 * common.opt (floop-optimize2): Removed.
6217 (fmove-loop-invariants): Enabled by default.
6219 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6221 * tree-if-conv.c (combine_blocks): Free the result of
6222 get_loop_exit_edges.
6224 2006-02-10 Jeff Law <law@redhat.com>
6226 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6228 PR tree-optimization/26213
6229 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6230 loop trying to follow SSA_NAME_VALUE chains.
6232 2006-02-10 Richard Guenther <rguenther@suse.de>
6234 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6235 deal with structures that end in implicitly variable sized arrays.
6237 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6239 PR rtl-optimization/24762
6240 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6243 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6245 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6246 (struct ivopts_data): Add regs_used field.
6247 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6248 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6249 instead of loop_data->regs_used;
6250 (free_loop_data): Do not free aux fields for loops.
6251 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6252 and tree_ssa_iv_optimize_finalize.
6254 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6256 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6258 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6261 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6262 computing the effective result type.
6264 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6267 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6268 (tree_overlaps_hard_reg_set): Declare.
6269 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6270 type and signature to match function type expected by walk_tree.
6271 (tree_overlaps_hard_reg_set): New function.
6272 (decl_conflicts_with_clobbers_p): Rename to:
6273 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6274 Use tree_overlaps_hard_reg_set. Changed caller.
6275 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6276 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6277 * cris.c (cris_md_asm_clobbers): Likewise.
6279 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6281 * reload1.c (emit_input_reload_insns): Delete code that tries to
6282 inherit using find_equiv_reg.
6284 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6286 * c-common.h (flag_const_strings): Don't declare.
6287 * c-common.c (flag_const_strings): Remove.
6288 * c.opt (fconst_strings): Remove.
6289 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6290 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6291 (c_common_init_options): Don't set flag_const_strings.
6292 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6294 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6296 * arm.md (tlobits_cbranch): New pattern.
6297 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6298 testing a single bit.
6300 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6303 * tree-ssa-pre.c (create_component_ref_by_pieces):
6304 Handle RETURN_DECL like VAR_DECL.
6306 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6309 * fold-const.c (fold_indirect_ref_1): Fold
6310 "*(foo *)&complexfoo" to "__real__ complexfoo"
6311 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6313 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6315 * tree-flow-inline.h (var_can_have_subvars):
6316 Volatile variables should not have subvariables.
6318 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6321 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6322 multiplying unsigned values.
6325 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6327 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6329 2006-02-08 Jason Merrill <jason@redhat.com>
6332 * tree.def: Elaborate on difference from MODIFY_EXPR.
6333 * doc/c-tree.texi (INIT_EXPR): Likewise.
6334 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6335 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6336 (gimplify_target_expr): Likewise.
6337 (gimplify_cond_expr): Remove target handling.
6338 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6339 (gimplify_expr): Clobber it here.
6340 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6341 Do return slot optimization if we have an INIT_EXPR.
6344 * tree-inline.c (declare_return_variable): Also clear
6345 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6348 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6351 * gimplify.c (gimplify_one_sizepos): Fix typo.
6353 2006-02-08 Jeff Law <law@redhat.com>
6355 PR tree-optimization/21417
6356 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6357 across a backedge if the control statement at the end of the
6358 block is data dependent on other statements in the same block.
6359 (record_temporary_equivalences_from_stmts): Remove over-conservative
6360 test for threading across backedges.
6362 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6363 control statement, handle all three special cases in the same
6364 manner as they all have the same desired solution. No longer
6365 special case edge flag updating when the post dominator is
6368 2006-02-08 Roger Sayle <roger@eyesopen.com>
6370 * tree.def (CHAR_TYPE): Remove.
6371 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6372 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6373 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6374 (gen_string_type_die): Delete unreachable function.
6376 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6377 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6378 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6379 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6380 * builtins.c (type_to_class): Likewise.
6381 * fold-const.c (fold_convert, build_range_check,
6382 merge_ranges): Likewise.
6383 * expr.c (count_type_elements): Likewise.
6384 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6385 * stor-layout.c (layout_type): Likewise.
6386 * ipa-type-escape.c (type_to_consider): Likewise.
6387 * gimplify.c (omp_firstprivatize_type_sizes,
6388 gimplify_type_sizes): Likewise.
6389 * explow.c (promote_mode): Likewise.
6390 * tree-sra.c (is_sra_scalar_type): Likewise.
6391 * varasm.c (output_constant): Likewise.
6392 * tree-inline.c (remap_type_1): Likewise.
6393 * convert.c (convert_to_pointer, convert_to_real,
6394 convert_to_integer, convert_to_complex): Likewise.
6396 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6398 * df-scan.c (df_def_record_1): A set destination may
6399 be a parallel regardless of mode.
6401 2006-02-08 Roger Sayle <roger@eyesopen.com>
6404 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6405 * config/mips/_tilib.c: Remove.
6406 * config/fixtfdi.c: New libgcc source file.
6407 * config/fixunstfdi.c: New source file.
6408 * config/floatditf.c: New source file.
6409 * config/floatunditf.c: New souce file.
6410 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6411 files above instead of config/mips/_tilib.c.
6412 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6414 2006-02-08 Jeff Law <law@redhat.com>
6416 PR tree-optimization/26169
6417 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6420 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6422 * df.h (DF_REG_SIZE): Return the length of the initialized
6425 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6427 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6428 __muldf3): Return a correctly signed zero.
6430 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6432 * passes.c (register_one_dump_file): Accept the current properties
6433 instead of pass number. Adjust call to dump_register. Remove
6435 (register_dump_files): Now a wrapper around...
6436 (register_dump_files_1): ... this one. Do not modify the pass
6438 (next_pass_1): Cosmetic fix.
6439 (execute_todo): Keep second parameter only. Use curr_properties
6440 instead of fetching it from the pass structure. Check and set
6442 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6443 instead of fetching it from the pass structure. Fix calls to
6444 execute_todo. Update curr_properties and initialize .vcg RTL dump
6445 after running the pass. Reset last_verified.
6446 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6448 (FIRST_AUTO_NUMBERED_DUMP): New.
6449 (dump_register): Remove "num" parameter, assign it within the
6451 (get_dump_file_name): Modify template for dumps.
6452 * tree-dump.h (dump_register): Adjust prototype.
6453 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6454 (PROP_trees): Add PROP_gimple_lomp.
6455 (TODO_set_props): New.
6456 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6457 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6458 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6460 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6462 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6463 (sparc64-*-linux*): Likewise.
6464 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6465 * config/sparc/t-linux: New file.
6466 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6467 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6468 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6469 -m32 -mlong-double-128.
6471 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6472 * config/alpha/t-linux: New file.
6473 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6475 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6476 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6477 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6478 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6479 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6480 (CPP_ARCH32_SPEC): Remove.
6482 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6484 PR tree-optimization/26145
6485 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6488 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6491 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6492 >= 240000 when generating code for SOM runtime.
6493 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6494 to $$dyncall when generating code for SOM runtime..
6496 2006-02-07 Dirk Mueller <dmueller@suse.com>
6499 * doc/invoke.texi (-Wsequence-point): Update documentation
6500 that -Wsequence-point is implemented for C++ as well.
6502 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6504 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6505 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6506 (LIB_SPEC): Likewise.
6507 * doc/invoke.texi (SPARC options): Document -pthread.
6509 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6511 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6514 2006-02-07 Roger Sayle <roger@eyesopen.com>
6516 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6517 Correct comment describing BOOLEAN_TYPE.
6519 2006-02-07 Dirk Mueller <dmueller@suse.com>
6521 * c.opt: C++ frontend supports -Wdiv-by-zero.
6522 * c-opts.c (c_common_handle_option): Remove dead case.
6524 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6526 * configure.ac (TLS assembler check): Do not enable TLS by
6527 default on SPARC/Solaris before version 10.
6528 * configure: Regenerate.
6530 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6532 * doc/invoke.texi (xl-compat): Document conversion and support
6535 2006-02-07 Jeff Law <law@redhat.com>
6537 * tree-vrp.c (find_conditional_asserts): Update comments.
6538 (simplify_stmt_for_jump_threading): New.
6539 (identify_jump_threads, finalize_jump_threads): New.
6540 (vrp_finalize): Call identify_jump_threads.
6541 (execute_vrp): Call finalize_jump_threads.
6542 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6543 (vrp_element, vrp_data, vrp_element_p): Remove.
6544 (vrp_hash_elt, vrp_variables_stack): Remove.
6545 (vrp_hash, vrp_eq, record_range): Remove.
6546 (simplify_cond_and_lookup_avail_expr): Remove.
6547 (extract_range_from_cond): Remove.
6548 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6549 (simplify_stmt_for_jump_threading): New.
6550 (dom_thread_across_edge): New wrapper.
6551 (tree_ssa_dominator_optimize): No longer initialize or
6552 finalize any of the VRP datastructures. Remove iteration
6553 step and simplify as a result of removal of iteration step.
6554 (pass_dominator): Perform a cfg cleanup after DOM.
6555 (dom_opt_finalize_block): Use the new common routines
6556 for threading jumps. Simplify stack management slightly.
6557 No longer need to unwind VRP state.
6558 (record_equivalences_from_incoming_edge): No longer record
6560 (eliminate_redundant_computations): No longer call
6561 simplify_cond_and_lookup_avail_expr.
6562 * tree-flow.h (potentially_threadable_block): Prototype.
6563 (thread_across_edge): Likewise.
6564 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6565 (tree-ssa-threadedge.o): Add dependencies.
6566 * tree-ssa-threadedge.c: New file.
6567 * passes.c (init_optimization_passes): Merge PHIs before
6568 calling VRP. Run VRP again late in the SSA optimization pipeline.
6570 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6572 * df-core.c (df_set_blocks): Do not dereference function pointers.
6573 (df_finish1): Likewise.
6574 (df_hybrid_search_forward): Likewise.
6575 (df_hybrid_search_backward): Likewise.
6576 (df_iterative_dataflow): Likewise.
6577 (df_analyze_problem): Likewise.
6578 (df_compact_blocks): Likewise.
6579 (df_dump): Likewise.
6580 * df-scan.c (df_rescan_blocks): Likewise.
6581 (df_record_entry_block_defs): Likewise.
6583 * genconditions.c (write_conditions): Guard the definition of
6584 'insn_conditions' with the check on GCC version.
6585 (write_writer): Guard the traversal 'insn_conditions' with
6586 the check on GCC version.
6588 2006-02-07 Richard Guenther <rguenther@suse.de>
6592 2006-01-30 Richard Guenther <rguenther@suse.de>
6594 * gimplify.c (gimplify_target_expr): Handle easy cases
6595 without creating a temporary.
6597 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6599 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6600 use of float in probability computations. Use edge probabilities
6601 in place of statically computed probabilities.
6602 (min_spec_prob): New static variable.
6603 (schedule_insns): Initialize it.
6604 (GET_SRC_PROB): Removed.
6605 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6607 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6610 * config/ia64/unwind-ia64.c: Revert last change.
6611 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6612 (INCOMING_FRAME_SP_OFFSET): Define.
6614 2006-02-06 Roger Sayle <roger@eyesopen.com>
6616 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6618 2006-02-07 Ben Elliston <bje@au.ibm.com>
6620 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6621 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6622 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6623 (ix86_return_in_memory): Handle TDmode.
6624 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6625 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6627 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6629 * reorg.c (dbr_schedule): Use dump_file instead of file.
6631 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6634 * config/ia64/predicates.md (extr_len_operand): New predicate.
6635 * config/ia64/ia64.md (extv): Tighten constraints.
6637 (*tbit_and_2): Ditto.
6638 (*tbit_and_3): Ditto.
6639 (*tbit_or_2): Ditto.
6640 (*tbit_or_3): Ditto.
6644 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6647 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6649 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6651 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6652 loop_optimizer_init and loop_optimizer_finalize
6653 * tree-ssa-sink.c (execute_sink_code): Ditto.
6654 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6655 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6656 tree_ssa_loop_done): Ditto.
6657 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6658 * sched-ebb.c: Include output.h.
6659 (schedule_ebbs): Do not use dump argument.
6660 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6661 * loop.c (loop_dump_stream): Removed.
6662 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6664 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6665 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6666 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6667 loop_iterations, strength_reduce, record_biv, record_giv,
6668 final_giv_value, check_final_value, check_ext_dependent_givs,
6669 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6670 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6671 dump_file instead of loop_dump_stream.
6672 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6674 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6676 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6677 * haifa-sched.c: Include output.h
6678 (schedule_insns, sched_init): Do not use dump argument.
6679 * mode-switching.c (optimize_mode_switching): Ditto.
6680 * modulo-sched.c (stats_file): Removed.
6681 (print_node_sched_params): Do not call argument dump_file.
6682 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6683 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6685 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6687 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6688 rtl_loop_init, rtl_loop_done): Ditto.
6689 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6690 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6692 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6693 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6694 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6695 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6696 * emit-rtl.c (renumber_insns): Ditto.
6697 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6698 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6699 * regclass.c (regclass): Ditto.
6700 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6701 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6702 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6703 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6705 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6706 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6708 * gcse.c (gcse_file, debug_stderr): Removed.
6709 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6710 rest_of_handle_gcse): Do not use dump argument.
6711 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6712 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6713 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6714 compute_code_hoist_vbeinout, compute_code_hoist_data,
6715 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6716 compute_store_table, build_store_vectors, insert_insn_start_bb,
6717 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6718 store_motion): Use dump_file instead of gcse_file.
6719 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6720 * profile.c (profile_dump_file): Removed.
6721 (branch_prob): Use dump_file instead of profile_dump_file.
6722 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6724 * tree-ssa-copy.c (dump_copy_of): Ditto.
6725 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6726 dump file to life_analysis.
6727 * bt-load.c (branch_target_load_optimize): Ditto.
6728 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6730 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6731 regclass, dbr_schedule): Declaration changed.
6732 * sched-int.h (sched_init): Declaration changed.
6733 * tree-profile.c (tree_profile_dump_file): Removed.
6734 (tree_profile_hooks): Removed profile_dump_file hook.
6735 * rtl-profile (rtl_profile_dump_file): Removed.
6736 (rtl_profile_hooks): emoved profile_dump_file hook.
6737 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6739 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6740 * tree-cfg.c (build_tree_cfg): Ditto.
6741 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6742 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6743 Declaration changed.
6744 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6745 life_analysis and schedule_insns.
6746 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6748 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6750 * config/mips/mips.c (mips_reorg): Ditto.
6751 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6754 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6756 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6757 (s390_mangle_fundamental_type): New.
6758 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6761 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6762 (alpha_mangle_fundamental_type): New.
6763 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6766 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6768 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6770 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6771 (sparc_mangle_fundamental_type): New.
6773 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6775 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6776 (s390x-*-linux*): Likewise.
6777 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6778 * config/s390/t-linux: New file.
6780 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6782 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6783 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6785 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6787 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6788 (ANTIC_SAFE_LOADS): New macro.
6789 (find_or_generate_expression): Add prototype.
6790 (set_contains_value): Allow null set for sake of not always having
6791 to allocate ANTIC_SAFE_LOADS.
6792 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6793 Allow COMPONENT_REF too.
6794 (valid_in_set): Allow COMPONENT_REF.
6795 Check ANTIC_SAFE_LOADS too.
6796 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6797 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6799 (can_PRE_operation): Add COMPONENT_REF.
6800 (create_component_ref_by_pieces): New function.
6801 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6802 (insert_aux): Move AGGREGATE_TYPE_P check here.
6803 (compute_avail): Set bb local stmt uids.
6804 (pass_pre): Use TODO_update_ssa_only_virtuals.
6806 2006-02-06 Ben Elliston <bje@au.ibm.com>
6808 * configure.ac: Unconditionally disable decimal float by default.
6809 * configure: Regenerate.
6811 2006-02-06 Ben Elliston <bje@au.ibm.com>
6813 * read-rtl.c (read_name): Terminate reading on EOF.
6815 2006-02-06 Ben Elliston <bje@au.ibm.com>
6817 * dfp.c (decimal_real_arithmetic): Change second argument type
6818 from int to enum tree_code. Do not always return true, but now
6819 return result of any call to decimal_do helper functions.
6820 * dfp.h (decimal_real_arithmetic): Update prototype.
6822 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6824 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6826 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6829 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6832 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6834 * tree-vrp.c (cfg_loops): Removed.
6835 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6836 Use current_loops instead of cfg_loops. Pass flags to
6837 loop_optimizer_init.
6838 * cfgloopmanip.c (fix_loop_structure): Update only available
6840 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6841 loop_optimizer_init.
6842 * modulo-sched.c (build_loops_structure): Removed.
6843 (sms_schedule): Use loop_optimizer_init.
6844 * loop-init.c (loop_optimizer_init): Use flags to determine
6845 which properties of loops to prepare.
6846 (rtl_loop_init): Pass flags to loop_optimizer_init.
6847 * tree-ssa-sink.c (execute_sink_code): Ditto.
6848 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6849 * tree-ssa-pre.c (init_pre): Ditto.
6850 * cfgloop.h (LOOPS_NORMAL): New.
6851 (loop_optimizer_init): Declaration changed.
6853 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6855 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6856 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6858 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6860 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6862 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6863 * pa/t-pa64: Delete quadlib.c rule.
6864 * pa/x-ada: Revert last change.
6865 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6867 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6869 PR rtl-optimization/26087
6870 * rtlanal.c (canonicalize_condition): Do not cross basic block
6873 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6876 * config/ia64/ia64.c: Include debug.h.
6877 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6878 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6879 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6880 (process_epilogue, process_set, process_for_unwind_directive):
6881 Output unwind info only if requested. Add CFA info if requested.
6882 Add new arguments as needed. Adjust callers.
6883 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6885 (DWARF2_FRAME_INFO): Define to zero.
6886 * config/ia64/unwind-ia64.c: Remove code that compensated for
6887 the CFA offset error fixed above.
6888 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6889 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6890 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6891 -funwind-tables and -fexceptions to enable frame info.
6892 (dwarf2out_frame_init): Define initial CFA even if
6893 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6894 DWARF2_UNWIND_INFO is nonzero, not just defined.
6895 (dwarf2out_frame_finish): Output non-EH call frame info only
6896 if DWARF2_FRAME_INFO is nonzero.
6897 (convert_cfa_to_loc_list,
6898 compute_frame_pointer_to_cfa_displacement): Define even if
6899 unwind info is not supported.
6900 (gen_subprogram_die): Use the above unconditionally. Remove
6901 legacy alternate code.
6902 * toplev.c (compile_file): Compile in call to
6903 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6904 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6906 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6907 Jakub Jelinek <jakub@redhat.com>
6909 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6910 IBM extended float format long double as "g" on powerpc*-linux.
6912 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6915 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6916 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6918 2006-02-03 Jason Merrill <jason@redhat.com>
6921 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6924 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6925 on the return slot if it's an NRV.
6927 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6929 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6930 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6931 rewrite_use): Do not handle USE_OUTER.
6932 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6933 add_iv_outer_candidates, may_replace_final_value,
6934 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6935 (find_interesting_uses_op): Functionality of
6936 find_interesting_uses_outer_or_nonlin moved here.
6937 (find_interesting_uses_outside): Use find_interesting_uses_op.
6939 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6942 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6944 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6945 Ulrich Weigand <uweigand@de.ibm.com>
6948 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6949 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6950 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6951 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6953 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6954 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6955 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6956 Define secondary reloads for TFmode moves.
6957 (constant_modes): Add TFmode.
6958 (NR_C_MODES): Set to 8.
6959 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6961 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6962 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6963 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6964 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6965 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6966 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6967 (FPR mode macro): Add TFmode.
6968 (DSF mode macro): New.
6969 (<de>, <dee> mode attributes): Removed.
6970 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6971 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6972 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6973 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6974 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6975 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6976 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6977 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6978 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6979 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6980 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6981 "*negabs<mode>2", "sqrt<mode>2"):
6982 Changed <de> to <xde>. R constraint replaced by <Rf>.
6983 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6985 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6986 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6987 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6989 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6990 "extenddftf2", "extendsftf2"): New expanders.
6991 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6992 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6993 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6994 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6996 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6997 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6998 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6999 __floatditf): Add a GCC_4.1.0 symbol version tag.
7000 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7003 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7006 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7007 Use targetm.binds_local_p instead of TREE_PUBLIC.
7009 2006-02-02 Roger Sayle <roger@eyesopen.com>
7011 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7012 on INTEGER_TYPEs to indicate that it denotes a character type.
7013 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7014 signed_char_type_node, unsigned_char_type_node and char_type_node.
7015 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7016 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7017 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7019 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7020 Daniel Berlin <dberlin@dberlin.org>
7022 * tree-tailcall.c (arg_needs_copy_p): New function.
7023 (eliminate_tail_call): Use arg_needs_copy_p.
7024 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7025 (add_virtual_phis): New function.
7027 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7029 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7030 #ignore instead of #scratch for %g7 .register directive.
7032 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7034 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7037 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7039 * flow.c (calculate_global_regs_live): Assert that there aren't any
7042 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7044 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7046 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7047 bsi_after_labels iterator.
7048 * tree-if-conv.c (find_phi_replacement_condition,
7049 replace_phi_with_cond_modify_expr): Likewise.
7050 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7051 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7053 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7055 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7057 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7060 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7061 array after growing it.
7063 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7066 * fold-const.c (fold_checksum_tree): Change type of buf.
7068 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7070 * reload.c (push_secondary_reload): Initialize t_icode.
7072 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7074 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7075 -msoft-float -mlong-double-128 only issue a warning, but don't
7076 swich to DFmode long double.
7078 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7080 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7081 has a constant equivalent, iterate over equivalents for arg0,
7082 calling simplify_relational_operation and if there's a result
7083 cheaper than X, apply fold_rtx and return the result.
7085 2006-02-01 Jan Hubicka <jh@suse.cz>
7087 * opts.c (no_unit_at_a_time_default): New global variable.
7088 (decode_options): Use it.
7089 * opts.h (no_unit_at_a_time_default): Declare.
7091 2006-02-01 Paul Brook <paul@codesourcery.com>
7093 * function.c (assign_parm_setup_reg): Use function argument promotion
7095 * expr.c (expand_expr_real_1): Use function argument promotion rules
7098 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7100 * gcc.c (process_command): Change j to 'unsigned int'.
7102 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7105 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7106 Use the corrected index for the character
7107 out of the string constant.
7109 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7111 * mode-switching.c (optimize_mode_switching): Fix size
7112 allocated for bb_info[n_entities].
7114 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7116 * gcc.c (main): Correct type that is allocated for
7117 explicit_link_files.
7119 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7121 * config/s390/s390.c (init_alignment_context): Set
7122 ALIAS_SET_MEMORY_BARRIER on the MEM.
7123 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7125 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7128 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7130 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7133 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7135 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7136 * regrename.c: Ditto.
7137 * tree-ssa-loop-im.c: Ditto.
7138 * tree-dump.c: Ditto.
7139 * tree-complex.c: Ditto.
7140 * genrecog.c: Ditto.
7141 * tree-ssa-threadupdate.c: Ditto.
7143 * java/class.c: Ditto.
7144 * java/jcf-parse.c: Ditto.
7145 * java/resource.c: Ditto.
7146 * java/except.c: Ditto.
7147 * java/jvspec.c: Ditto.
7148 * java/jcf-write.c: Ditto.
7149 * java/jcf-path.c: Ditto.
7150 * java/gjavah.c: Ditto.
7151 * java/zextract.c: Ditto.
7152 * java/jcf-io.c: Ditto.
7153 * java/jcf.h: Ditto.
7154 * java/buffer.c: Ditto.
7155 * java/lang.c: Ditto.
7156 * java/parse-scan.y: Ditto.
7157 * java/lex.c: Ditto.
7158 * java/lex.h: Ditto.
7159 * cfgloopmanip.c: Ditto.
7160 * postreload-gcse.c: Ditto.
7161 * tree-ssa-loop-manip.c: Ditto.
7162 * postreload.c: Ditto.
7163 * tree-ssa-loop-ch.c: Ditto.
7167 * diagnostic.c: Ditto.
7169 * genoutput.c: Ditto.
7171 * cfghooks.c: Ditto.
7172 * cfgloopanal.c: Ditto.
7173 * objc/objc-act.c: Ditto.
7175 * genextract.c: Ditto.
7176 * genautomata.c: Ditto.
7177 * pretty-print.c: Ditto.
7179 * cgraphunit.c: Ditto.
7182 * haifa-sched.c: Ditto.
7183 * dominance.c: Ditto.
7185 * tree-ssa-loop-ivopts.c: Ditto.
7187 * mode-switching.c: Ditto.
7188 * modulo-sched.c: Ditto.
7190 * ipa-pure-const.c: Ditto.
7192 * fix-header.c: Ditto.
7194 * tree-stdarg.c: Ditto.
7195 * ipa-utils.c: Ditto.
7196 * loop-init.c: Ditto.
7197 * ipa-inline.c: Ditto.
7200 * alloc-pool.c: Ditto.
7201 * dwarf2out.c: Ditto.
7203 * genattrtab.c: Ditto.
7204 * tree-ssa-loop-ivcanon.c: Ditto.
7208 * fortran/gfortranspec.c: Ditto.
7210 * local-alloc.c: Ditto.
7211 * langhooks.c: Ditto.
7212 * function.c: Ditto.
7213 * tree-vectorizer.c: Ditto.
7215 * ipa-type-escape.c: Ditto.
7217 * tree-if-conv.c: Ditto.
7220 * tree-data-ref.c: Ditto.
7221 * loop-unroll.c: Ditto.
7222 * treelang/treetree.c: Ditto.
7225 * ggc-common.c: Ditto.
7227 * coverage.c: Ditto.
7229 * tree-cfgcleanup.c: Ditto.
7230 * tree-ssa-pre.c: Ditto.
7231 * cfgcleanup.c: Ditto.
7232 * loop-invariant.c: Ditto.
7234 * ipa-prop.c: Ditto.
7235 * print-tree.c: Ditto.
7236 * conflict.c: Ditto.
7237 * ggc-page.c: Ditto.
7238 * sched-deps.c: Ditto.
7239 * regclass.c: Ditto.
7240 * tree-object-size.c: Ditto.
7242 * bb-reorder.c: Ditto.
7243 * resource.c: Ditto.
7244 * var-tracking.c: Ditto.
7246 * df-problems.c: Ditto.
7247 * reg-stack.c: Ditto.
7250 * sched-rgn.c: Ditto.
7251 * tree-ssa-structalias.c: Ditto.
7252 * tree-ssa-reassoc.c: Ditto.
7253 * config/darwin-c.c: Ditto.
7254 * config/darwin.c: Ditto.
7255 * config/arm/arm.c: Ditto.
7257 * collect2.c: Ditto.
7260 2006-01-31 Nicolas Pitre <nico@cam.org>
7262 * arm.md (smaxsi3): Make aware of smax_m1.
7265 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7267 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7269 2006-01-31 Richard Guenther <rguenther@suse.de>
7271 * doc/invoke.texi (-msselibm): Document.
7272 * target.h (expand_library_builtin): New target hook.
7273 * builtins.c (expand_builtin): Use expand_library_builtin.
7274 (default_expand_library_builtin): New function.
7275 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7276 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7277 (link_gcc_math_spec): Declare.
7278 (static_specs): Add link_gcc_math_spec.
7279 * expr.h (default_expand_library_builtin): Declare.
7280 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7281 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7282 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7283 * config/i386/i386.opt (msselibm): New target option.
7284 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7285 (ix86_init_sse_abi_builtins): New function.
7286 (ix86_expand_library_builtin): Likewise.
7287 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7288 (override_options): Handle error conditions wrt -msselibm.
7289 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7290 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7291 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7294 2006-01-31 Richard Guenther <rguenther@suse.de>
7295 Paolo Bonzini <bonzini@gnu.org>
7297 * doc/install.texi (--disable-libgcc-math): Document.
7299 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7301 * expr.h (expand_normal): new inline function.
7302 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7304 * dwarf2out.c: use it.
7309 * config/sparc/sparc.c: use it.
7310 * config/i386/i386.c: use it.
7311 * config/rs6000/rs6000.c: use it.
7312 * config/arm/arm.c: use it.
7313 * config/mips/mips.c: use it.
7314 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7316 2006-01-30 Roger Sayle <roger@eyesopen.com>
7318 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7319 argv to the appropriate type.
7321 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7323 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7326 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7329 * config/s390/s390.c (struct machine_function): New flag
7330 decomposed_literal_pool_addresses_ok_p.
7331 (s390_reorg): Set it before final stage of literal pool transforms.
7332 (s390_decompose_address): Only accept displacements of the form
7333 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7335 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7337 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7338 the comparison routine return.
7340 2006-01-30 Michael Matz <matz@suse.de>
7342 * global.c (find_reg): Only evict for global regs.
7343 Take n_refs into account and dump more info.
7345 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7348 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7349 (pragma_trap, pragma_nosave_low_regs): Likewise.
7350 (current_function_anonymous_args): Likewise.
7351 (sh_deferred_function_attributes): New variable.
7352 (sh_deferred_function_attributes_tail): Likewise.
7353 (print_operand): For '@', look up trap_exit attribute.
7354 (calc_live_regs): Look up trapa_handler attribute. For trapa
7355 handlers, save/restore fpscr, but don't do any other
7356 interrupt-specific saves.
7357 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7358 Fix check for partially saved registers to check for SHmedia.
7359 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7360 (sh_output_function_epilogue): Don't clear any of the removed
7362 (sh_insert_attributes): Don't check pragma_interrupt.
7363 Insert deferred attributes. Check that interrupt attribute is
7364 present for other attributes that require its presence.
7365 (sh_attribute_table): Add new attributes trapa_handler and
7367 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7368 Don't check for pragma_interrupt. Don't store argument.
7369 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7370 (sh_deferred_function_attributes): Declare.
7371 (sh_deferred_function_attributes_tail): Likewise.
7372 * sh.md (sp_switch_1): Add operand. Change generator caller.
7373 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7374 (*return_i): Don't use when trap_exit attribute is in effect.
7375 (*return_trapa): New insn pattern.
7377 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7378 setting c_target_objs and cxx_target_objs.
7379 * t-sh: Add rule for sh-c.o.
7381 2006-01-30 Richard Guenther <rguenther@suse.de>
7384 * gimplify.c (gimplify_target_expr): Handle easy cases
7385 without creating a temporary.
7387 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7389 * vec.h (safe_grow): Remove duplicated line.
7391 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7394 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7395 (expand_omp): ... here.
7396 (expand_omp_parallel): Only remove barriers for combined
7397 parallel+workshare constructs.
7399 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7403 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7404 * tree.c (build_qualified_type): Chain the new type to the original
7405 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7406 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7407 (build_pointer_type_for_mode): Only return unqualified types.
7408 (build_reference_type_for_mode): Likewise.
7410 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7412 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7413 * Makefile.in (CXX_COMPAT_WARN): Define.
7414 * configure: Regenerate.
7416 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7419 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7422 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7424 * toplev.c: Fix thinko.
7426 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7427 Marcin Dalecki <martin@dalecki.de>
7429 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7430 (push_srcloc): Use XNEW.
7431 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7433 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7435 * df-core.c (df_set_blocks): Deleted all variable.
7437 2006-01-28 Ian Lance Taylor <ian@airs.com>
7439 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7440 cgraph_output_pending_asms.
7442 2006-01-28 Zack Weinberg <zackw@panix.com>
7444 * c.opt: Add -W(no-)overlength-strings.
7445 * doc/invoke.texi: Document it.
7446 * c-opts.c (c_common_handle_option): -pedantic implies
7447 -Woverlength-strings, if not explicitly disabled already.
7448 (c_common_post_options): -Woverlength-strings defaults to off, and
7449 is always off for C++.
7450 * c-common.c (fix_string_type): Issue warning about strings longer
7451 than is portable only if warn_overlength_strings. Rearrange code
7452 a little for clarity.
7453 * configure.in: Check for -Wno-overlength-strings as well before
7454 enabling -pedantic in stage 1.
7455 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7456 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7458 * genconditions.c (write_header, write_one_condition)
7459 (write_conditions, write_writer): Consolidate very long strings
7460 that were broken up to fit in C89 portable limit. Don't use
7461 printf when fputs will do.
7463 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7465 * combine.c (simplify_comparison <AND>): Check
7466 TRULY_NOOP_TRUNCATION before start using a subreg.
7468 * config/mips/mips.md (*branch_zero<mode>,
7469 *branch_zero<mode>_inverted, *branch_equality<mode>,
7470 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7471 Remove mode check from comparisons.
7473 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7475 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7477 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7479 * expmed.c (const_mult_add_overflow_p): Remove.
7480 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7482 * recog.c (validate_replace_rtx_subexp): Remove.
7483 * recog.h: Remove the prototype for
7484 validate_replace_rtx_subexp.
7486 * integrate.h: Remove the prototype for
7487 copy_decl_for_inlining.
7488 * rtl.h: Remove the prototype for mark_constant_function.
7489 * tree-vectorizer.h: Remove the prototype for
7490 vect_strip_conversion.
7492 * modulo-sched.c (create_partial_schedule,
7493 free_partial_schedule, reset_partial_schedule): Make them
7496 * hooks.c (hook_bool_rtx_int_false): Remove.
7497 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7499 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7501 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7502 and -mlong-double-128 are incompatible.
7503 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7504 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7505 (TARGET_LIBGCC2_CFLAGS): Define.
7506 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7507 (TARGET_LIBGCC2_CFLAGS): Same.
7508 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7510 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7513 * c-typeck.c (build_binary_op): Perform implicit casts of
7514 operands before shortening them.
7516 * cfgloopmanip.c (split_loop_bb): Remove.
7517 * cfgloop.h: Remove the prototype for split_loop_bb.
7519 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7520 * cfgloop.h: Remove the prototype for
7521 flow_loop_outside_edge_p.
7523 * emit-rtl.c (init_virtual_regs): Make it static.
7524 * function.h: Remove the prototype for init_virtual_regs.
7526 * recog.c (peephole2_optimize): Make it static.
7527 * recog.h: Remove the prototype for peephole2_optimize.
7529 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7531 * df-scan.c (df_record_entry_block_defs): Check if
7532 INCOMING_RETURN_ADDR_RTX is defined.
7534 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7535 Kenneth Zadeck <zadeck@naturalbridge.com>
7537 PR rtl-optimization/24762
7538 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7539 * targhooks.c (hook_void_bitmap): New hook prototype.
7540 * targhoohs.h (hook_void_bitmap): Ditto.
7541 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7542 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7543 * target.h (live_on_entry): New function pointer.
7544 * df-scan.c (df_all_hard_regs): Removed.
7545 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7546 (df_scan_free_internal): Added df->entry_block_defs.
7547 (df_scan_alloc): Ditto.
7548 (df_scan_dump): Ditto.
7549 (df_uses_record): Plumbed flag field properly thru calls.
7550 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7551 This part fixes PR24762.
7552 (df_bb_refs_record): Added code to make the frame and arg
7553 pointers live in EH blocks.
7554 (df_refs_record): Added call to df_record_entry_block_defs.
7555 (df_record_entry_block_defs): New function.
7556 * df-core.c: Added comments to describe new artifical defs.
7557 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7558 (entry_block_defs): New field in struct df.
7559 (df_all_hard_regs): Deleted.
7560 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7561 * df-problems.c (df_ru_bb_local_compute_process_def):
7562 Added code to handle artifical defs in the entry to a function.
7563 (df_ru_bb_local_compute): Ditto.
7564 (df_rd_bb_local_compute_process_def): Ditto.
7565 (df_rd_bb_local_compute): Ditto.
7566 (df_lr_bb_local_compute): Ditto.
7567 (df_ur_bb_local_compute): Ditto.
7568 (df_urec_bb_local_compute): Ditto.
7569 (df_chain_create_bb): Ditto.
7570 (df_ur_local_finalize): Removed entry.
7571 (df_urec_init): Ditto.
7572 (df_urec_local_finalize): Ditto.
7573 (df_ri_bb_compute): Added detection of last use of pseudos.
7574 * Makefile.in (df-scan.o): Updated dependencies.
7575 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7576 * config/mips/mips.c (mips_set_live_on_entry): Added.
7577 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7579 * dce.c (marked_insn_p): Added code to handle artifical defs.
7581 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7583 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7585 (_mm_cvtsi128_si64): Likewise.
7586 (_mm_cvtsd_si64): Likewise.
7587 (_mm_cvttsd_si64): Likewise.
7588 (_mm_cvtsi64_sd): Likewise.
7589 (_mm_cvtsi64_si128): Likewise.
7590 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7591 (_mm_cvtsi64_m64): Likewise.
7592 (_m_to_int64): Likewise.
7593 (_mm_cvtm64_si64): Likewise.
7594 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7595 (_mm_cvttss_si64): Likewise.
7596 (_mm_cvtsi64_ss): Likewise.
7597 (_mm_cvtss_f32): Likewise.
7599 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7601 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7602 for pragma redefine_extname.
7604 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7607 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7608 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7609 -mno-minimal-toc to previous content.
7610 (bispecs): Remove goal.
7611 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7612 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7613 compatibility aliases on powerpc-*-*gnu*.
7614 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7615 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7616 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7617 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7618 (ldblspecs): New goal.
7619 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7620 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7622 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7623 L_sf_to_tf or L_df_to_tf is defined.
7625 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7626 Alan Modra <amodra@bigpond.net.au>
7629 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7630 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7631 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7632 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7633 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7634 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7635 (rs6000_override_options): Initialize rs6000_ieeequad.
7636 Initialize TFmode format to ibm_extended_format if not
7638 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7640 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7641 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7642 (function_arg_advance): IBM long double passed in two FPRs, not
7644 (function_arg): IBM long double passed in FPRs.
7645 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7646 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7647 Only multireg GPR aligned.
7648 (rs6000_init_libfuncs): Enable IBM long double functions if not
7650 (rs6000_generate_compare): Use IBM long double compare if not
7652 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7653 (TARGET_IEEEQUAD): Define.
7654 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7655 not TARGET_IEEEQUAD.
7656 * config/rs6000/rs6000.md: Enable TFmode patterns if
7658 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7659 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7660 and -mlong-double-128 are incompatible.
7661 * doc/invoke.texi (-mabi): Collect options together. Add
7662 ibmlongdouble and ieeelongdouble.
7664 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7666 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7668 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7669 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7670 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7671 * rtl.h (rtunion_def): Remove rt_ptr.
7673 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7674 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7675 * config/i386/winnt.c (i386_pe_mark_dllexport)
7676 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7678 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7680 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7682 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7686 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7687 pthread_key_delete. From John David Anglin. gthrw-ify
7688 pthread_getunique_np only if it it's not a macro. Delete
7690 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7691 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7692 __gthread_objc_condition_signal, __gthread_key_delete): Add
7693 "__attribute__ ((__unused__))" to unused arguments.
7694 (__gthread_recursive_mutex_init_function): Add missing return.
7695 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7696 gthr-posix95.h: Use macro-based approach for name redirection
7697 on targets missing weakref.
7699 2006-01-26 Zack Weinberg <zackw@panix.com>
7701 * genconditions.c (write_header): In generated code, #ifdef out
7702 all includes and fake declarations, except includes of bconfig.h
7703 and system.h, unless GCC_VERSION >= 3001. Do not include
7704 gensupport.h in any case.
7705 (write_conditions): Generate a definition of struct c_test. Add
7706 a comment to the generated #endif.
7707 (write_one_condition): Escape backslashes in string too.
7708 (write_writer): Generated code must escape backslashes and quote
7709 marks (but not newlines) in the strings it writes.
7710 * Makefile.in (build/gencondmd.o): Update dependencies.
7712 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7715 * Makefile.in (insn-automata.o): Add header file dependencies.
7716 * genautomata.c: Add includes.
7718 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7721 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7723 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7725 * configure.ac: Expect target tools paths to be passed from the toplevel
7726 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7728 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7730 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7733 * c.opt (Wpointer-sign): Init to -1.
7734 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7735 OPT_pedantic, to 0 otherwise.
7736 * doc/invoke.texi: Update.
7738 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7740 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7741 constants provided by 80387 instructions in the destination mode.
7743 2006-01-26 Richard Guenther <rguenther@suse.de>
7744 Andrew Pinski <pinskia@physics.uc.edu>
7747 partial PR tree-opt/17064
7748 * tree-ssa-structalias.c (intra_create_variable_infos):
7749 Create heap variables for incoming parameters if
7750 flag_argument_noalias > 1.
7751 (find_what_p_points_to): Look through default defs of
7754 2006-01-26 Jeff Law <law@redhat.com>
7757 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7758 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7759 within the VR_RANGE, use the VR_RANGE as the result, not the
7761 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7762 bounds for the type.
7764 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7766 * tree-ssa-alias.c (maybe_create_global_var): Change
7767 subvar walking to an assertion that we don't have subvar'd variables.
7769 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7772 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7773 Use a new variable, inner. PARM_DECLs are always non-weak.
7775 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7777 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7780 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7782 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7784 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7786 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7787 (smax_insn, smin_insn, smax_0, smin_0): New.
7789 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7792 * config/cris/cris.c (cris_order_for_addsi3): New function.
7793 * config/cris/cris-protos.h: Prototype it.
7794 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7795 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7796 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7797 (split for "op.S1 [rx=rx+i],ry (swapped)")
7798 (split for "op(s|u).S1 [rx=rx+i],ry")
7799 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7800 Apply cris_order_for_addsi3 when generating addsi3 insns.
7802 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7804 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7805 (TREE_BLOCK): Add call to EXPR_CHECK.
7807 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7810 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7811 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7812 (dump_omp_clauses): ... here.
7813 (dump_generic_node): Handle OMP_CLAUSE.
7814 * tree.c (omp_clause_num_ops): New.
7815 (omp_clause_code_name): New.
7816 (tree_code_size): Handle OMP_CLAUSE.
7817 (tree_size): Likewise.
7818 (make_node): Document handling of OMP_CLAUSE.
7819 (tree_node_structure): Handle OMP_CLAUSE.
7820 (omp_clause_check_failed): New.
7821 (omp_clause_range_check_failed): New.
7822 (omp_clause_operand_check_failed): New.
7823 (build_omp_clause): New.
7824 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7825 * tree.h (enum omp_clause_code): Declare.
7826 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7827 (OMP_CLAUSE_RANGE_CHECK): Define.
7828 (OMP_CLAUSE_ELT_CHECK): Define.
7829 (omp_clause_check_failed): Declare.
7830 (omp_clause_operand_check_failed): Declare.
7831 (omp_clause_range_check_failed): Declare.
7832 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7833 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7834 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7835 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7836 (OMP_CLAUSE_IF_EXPR): Likewise.
7837 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7838 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7839 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7840 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7841 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7842 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7843 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7844 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7845 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7846 (OMP_CLAUSE_CODE): Define.
7847 (OMP_CLAUSE_SET_CODE): Define.
7848 (OMP_CLAUSE_CODE): Define.
7849 (OMP_CLAUSE_OPERAND): Define.
7850 (struct tree_omp_clause): Declare.
7851 (union tree_node): Add field 'omp_clause'.
7852 * treestruct.def (TS_OMP_CLAUSE): Define.
7853 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7854 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7855 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7856 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7857 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7858 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7859 (OMP_CLAUSE): Define.
7860 * print-tree.c (print_node): Handle OMP_CLAUSE.
7861 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7862 * c-typeck.c: Likewise.
7863 * gimplify.c: Likewise.
7864 * c-omp.c: Likewise.
7865 * tree-nested.c: Likewise.
7866 * tree-inline.c: Likewise.
7867 * c-parser.c: Likewise.
7868 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7871 2006-01-25 Roger Sayle <roger@eyesopen.com>
7873 PR rtl-optimization/25703
7874 * combine.c (try_combine): Handle zero_extract and strict_low_part
7875 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7877 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7879 * global.c: Fix comment typos.
7881 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7884 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7885 Use output_addr_const instead of assemble_name.
7887 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7889 * Makefile.in (sched-vis.o): Update dependencies.
7890 * haifa-sched.c (sched_finish): Clear current_sched_info.
7891 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7892 (dump_flow_info): Call it.
7893 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7895 * basic-block.h (dump_bb_info): Declare.
7896 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7897 option, and apply options only for dump files whose TDF_RTL,
7898 TDF_TREE, or TDF_IPA bits match.
7899 * rtl.h: Declare new functions exported from sched-vis.c.
7900 * sched-vis.c: Enable also if scheduling is not used.
7901 (print_value): Print the mode of registers if not inside scheduling.
7902 (print_insn): Make it work outside the scheduler. Beautify the output
7904 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7906 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7908 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7909 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7910 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7911 depending on the value of CONSTANT_POOL_ADDRESS_P.
7912 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7914 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7915 rather than SYMBOL_REF_DECL.
7916 (rtx_constant_pool): Remove const_rtx_sym_htab.
7917 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7918 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7919 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7920 Remove handling of const_rtx_sym_htab.
7921 (find_pool_constant): Delete.
7922 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7923 rather than find_pool_constant.
7924 (get_pool_constant_for_function): Delete.
7925 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7927 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7928 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7929 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7930 (SYMBOL_REF_CONSTANT): New macro.
7931 (get_pool_constant_for_function): Delete.
7932 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7933 rather than SYMBOL_REF_DECL.
7934 (i386_pe_mark_dllimport): Likewise.
7935 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7936 rather than SYMBOL_REF_DECL.
7937 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7938 (machopic_indirect_call_target): Likewise.
7940 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7942 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7944 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7946 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7948 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7950 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7952 2006-01-24 David Daney <ddaney@avtrex.com>
7955 * configure.ac (enable_tls): New enable option.
7956 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7957 * configure: Regenerate.
7958 * doc/install.texi (--enable-tls): Document new option.
7959 (--disable-tls): Ditto.
7961 2006-01-24 Richard Henderson <rth@redehat.com>
7963 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7964 * alias.c (true_dependence): Respect it.
7965 (canon_true_dependence, write_dependence_p): Likewise.
7966 * builtins.c (get_builtin_sync_mem): Set it.
7968 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7970 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7973 2006-01-24 DJ Delorie <dj@redhat.com>
7975 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7976 for storing constants in single-bit bitfields.
7978 2006-01-25 Ben Elliston <bje@au.ibm.com>
7980 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7982 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7985 * tree-ssa-pre.c (phi_translate): Return NULL
7986 for AGGREGATE_TYPE's.
7988 2006-01-24 Zack Weinberg <zackw@panix.com>
7990 * genautomata.c (process_state_for_insn_equiv_partition):
7991 Use xcalloc for insn_arcs_array.
7992 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7993 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7995 2006-01-24 Richard Henderson <rth@redhat.com>
7997 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8000 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8002 PR rtl-optimization/25890
8003 PR rtl-optimization/25905
8004 * combine.c (expand_compound_operation, expand_field_assignment):
8005 Fail if the bitfield's final position is out of bounds.
8007 2006-01-24 Ian Lance Taylor <ian@airs.com>
8010 * cgraphunit.c (cgraph_output_in_order): Don't clear
8011 cgraph_asm_nodes until after asm strings have been output.
8013 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8015 * fix-header.c (read_scan_file): Add new parameter imultilib when
8016 calling register_include_chains.
8018 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8020 * omp-low.c: Update documentation.
8022 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8023 Daniel Berlin <dberlin@dberlin.org>
8027 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8028 return from the function.
8030 2006-01-22 Zack Weinberg <zackw@panix.com>
8032 * rtl.def (match_code): Add second argument.
8033 * genpreds.c (write_extract_subexp): New function.
8034 (write_match_code): Add path argument. Use write_extract_subexp.
8035 (write_predicate_expr): Pass path to write_match_code.
8036 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8037 not perform a mode test.
8038 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8039 a subexpression does not constrain the top-level code set.
8040 * read-rtl.c (read_rtx_variadic): New function.
8041 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8042 * doc/md.texi: Document new notation.
8043 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8044 (cmpsi_operand): ... here, using new notation.
8046 2006-01-22 Zack Weinberg <zackw@panix.com>
8048 * varray.c: Remove GENERATOR_FILE #ifdefs.
8050 2006-01-22 Zack Weinberg <zackw@panix.com>
8052 * genautomata.c (output_reserved_units_table): Emit nothing if
8053 description->query_units_num is zero. Remove extra blank line.
8054 (output_cpu_unit_reservation_p): Short circuit
8055 if description->query_units_num is zero.
8057 2006-01-22 Zack Weinberg <zackw@panix.com>
8059 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8060 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8061 nor any of the random handful of variables that used to be necessary
8062 when this program was linked with rtlanal.o. Prune set of forward
8063 function declarations.
8064 (struct attr_desc): Remove static_p field.
8065 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8066 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8067 (attr_string): Do not read the character one past the length of
8069 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8070 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8071 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8072 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8073 (make_automaton_attrs): New.
8074 (main): Do not call into genautomata. Call local gen_bypass
8075 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8076 Remove special case for insn_alts.
8077 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8078 varray.h (leftover from previous change). Prune set of forward
8079 function declarations. Remove state_alts fields from all
8080 structures. Remove state_alts_table from struct automaton.
8081 Make everything except main static. Do not maintain num_dfa_decls.
8082 Do not maintain state_alts fields of various structures.
8083 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8084 (add_arc): Remove state_alts argument. All callers updated.
8085 (output_reserved_units_table): Emit #ifdef here...
8086 (output_tables): ...not here. Don't generate state_alts tables.
8087 (expand_automata): Don't generate attributes.
8088 (write_automata): Don't generate state_alts functions.
8089 (main): New function.
8090 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8091 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8092 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8093 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8094 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8095 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8096 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8097 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8099 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8100 * genattrtab.h: Delete file.
8101 * Makefile.in (OBJS-common): Add insn-automata.o.
8102 (insn-automata.o): New rule.
8103 (simple_generated_c): Add insn-automata.c.
8104 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8105 (genprogmd): Add automata.
8106 (build/genattrtab): Needs no extra objects nor libraries.
8107 (build/genautomata): Needs build/vec.o and -lm.
8109 2006-01-22 Zack Weinberg <zackw@panix.com>
8111 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8112 (output_dfa_max_issue_rate, locked_states_num): Delete.
8113 (struct automaton): Add locked_states field.
8114 (output_dead_lock_vect): Save number of locked states in
8115 automaton->locked_states. If it is zero, don't print anything.
8116 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8117 (output_internal_dead_lock_func): Only test the dead_lock_vect
8118 for automata that have locked states.
8119 (output_statistics): Always print the number of locked states for
8120 each automaton. Calculate total number of locked states here.
8121 (write_automata): Don't call output_dfa_max_issue_rate.
8122 * genattrtab.c: Define length_unit_log as a const variable.
8123 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8124 max_insn_queue_index const.
8125 * final.c (length_unit_log): Declare const.
8126 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8128 2006-01-22 Zack Weinberg <zackw@panix.com>
8130 * genautomata.c: Include vec.h, not varray.h.
8131 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8132 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8133 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8134 VEC_* macros operating on appropriately typed vectors, or to
8135 malloced arrays when the size is known in advance. Const-ify
8136 many char* variables and function arguments. No functional changes.
8137 * Makefile.in (build/varray.o): Delete rule.
8138 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8139 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8141 2006-01-22 Zack Weinberg <zackw@panix.com>
8143 * gensupport.c: Define get_insn_name and record_insn_name here.
8144 (read_md_rtx): Call record_insn_name as appropriate.
8145 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8146 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8147 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8149 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8150 (BUILD_VARRAY): Delete.
8151 (genprognormal): Rename genprogmd. Fold in all programs from
8152 genprognoprint; also attrtab.
8153 (build/genattrtab): Just mention genautomata.o and varray.o.
8154 Reorganize a bit, add comments to make the categories clearer.
8156 2006-01-22 Zack Weinberg <zackw@panix.com>
8158 * genconditions.c (condition_table, add_condition): Delete.
8159 (write_conditions): Don't emit n_insn_conditions nor
8160 insn_elision_unavailable. Issue the gcc version #ifdef here,
8161 inside the table, with no #else clause ...
8162 (write_header): ...not here.
8163 (write_writer): New function.
8164 (main): Don't initialize condition_table. Use add_c_test.
8166 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8167 files on the command line.
8168 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8169 Return -1 if there is no entry in the table, don't abort.
8170 (add_c_test, traverse_c_tests): New functions.
8171 * gensupport.h (insn_elision_unavailable, insn_conditions)
8172 (n_insn_conditions): Delete declarations.
8173 (add_c_test, traverse_c_tests): Declare.
8174 * read-rtl.c: Include gensupport.h.
8175 (read_conditions): New function.
8176 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8177 (read_rtx_1): If we get EOF when we were looking for an initial
8178 open paren, return 0. Call read_conditions when appropriate.
8179 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8180 dummy-conditions.o. Eliminate references to insn-conditions.o,
8181 or change them to build/gencondmd.o, as appropriate. Remove
8182 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8183 from $(simple_generated_c). For all files remaining in those
8184 two lists, add insn-conditions.md to the generator command line.
8185 Give insn-constants.h/s-constants their own rules. Add rules
8186 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8187 (build/read-rtl.o): Depend on gensupport.h.
8188 (genprognormal): Include preds.
8189 (genprogearly): Rename genprognoprint; only difference is now that
8190 they don't link with $(BUILD_PRINT).
8191 * dummy-conditions.c: Delete.
8193 2006-01-22 Zack Weinberg <zackw@panix.com>
8195 * genextract.c: Don't include insn-config.h. Do include vec.h.
8196 Declare vectors of int, char, and locstr.
8197 (locstr): New typedef.
8198 (struct extraction): Make all array fields into bare pointers.
8199 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8200 (insn_code_number): Delete.
8201 (accum_extract): New struct.
8202 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8203 (gen_insn): Take insn_code_number as an argument. Use an
8204 accum_extract structure instead of loading data directly into
8205 a struct extraction, and having to know how big it might get.
8206 (walk_rtx): Operate entirely on an accum_extract structure.
8207 (print_path): Avoid unnecessary use of printf.
8208 (print_header): New function, split out of main. Distinguish
8209 more carefully between an unrecognizable insn and an insn that
8210 has the code number of a define_expand.
8211 (main): Pass insn_code_number to gen_insn. Call print_header
8212 only after parsing. Avoid unnecessary use of printf.
8213 * Makefile.in (build/vec.o): New rule.
8214 (build/genextract): Depend on build/vec.o.
8215 (build/genextract.o): Don't depend on insn-config.h.
8217 2006-01-22 Zack Weinberg <zackw@panix.com>
8219 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8220 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8221 practical. Eliminate per-generator-program link rules.
8223 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8226 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8227 with a call expr to ...
8228 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8230 2006-01-23 Richard Guenther <rguenther@suse.de>
8232 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8233 before make_edge with conditional EDGE_TRUE_VALUE.
8235 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8236 Jan Hubicka <jh@suse.cz>
8237 Richard Guenther <rguenther@suse.de>
8239 PR rtl-optimization/25654
8240 * cfgexpand.c (aggregate_contains_union_type): New function.
8241 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8242 for structure variables that contain a union type.
8244 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8246 * gengtype.c (new_structure): Return the structure.
8247 (create_option): Add an extra "next" argument.
8248 (create_field): New function.
8249 (adjust_field_rtx_def): Use create_option and create_field.
8250 Remove a now-unnecessary call to find_structure.
8251 (adjust_field_tree_def): Likewise.
8252 (note_yacc_type): Remove an unnecessary call to find_structure.
8253 * gengtype.h (new_structure): Return the structure.
8254 (create_option): Add an extra argument.
8255 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8256 (option): Adjust calls to create_option.
8258 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8260 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8262 2006-01-22 Paul Brook <paul@codesourcery.com>
8263 Peter Barada <peter@the-baradas.com>
8265 * config/m68k/m68k.md: Add Coldfire FPU support.
8266 Define FP mode macro and associated attributes.
8267 Use it for float mode patterns.
8268 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8269 (LIBCALL_VALUE): Use m68k_libcall_value.
8270 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8271 (m68k_function_value): Ditto.
8272 (emit_move_sequence): Ditto.
8273 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8274 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8275 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8276 (MULTILIB_EXCEPTIONS): Ditto.
8277 * config/m68k/m68k.opt: Add mcfv4e.
8278 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8279 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8280 (m68k_output_function_prologue): Save ColdFire FPU registers.
8281 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8282 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8283 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8284 ColdFire FPU registers.
8285 (m68k_libcall_value, m68k_function_value): New functions.
8286 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8287 (LIBCALL_VALUE): Use m68k_libcall_value.
8288 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8289 (MASK_COLDFIRE): Add MASK_CFV4E.
8290 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8291 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8292 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8293 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8294 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8295 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8296 * doc/invoke.tex: Document -mcfv4e on m68k.
8298 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8300 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8303 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8306 * c-opts.c (c_common_handle_option): Don't include
8307 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8308 * doc/invoke.texi (C++ Dialect Options): Document that
8309 -Wnon-virtual-dtor is no longer included in -Wall.
8311 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8313 * gcov.c (print_version), gcov-dump.c (print_version),
8314 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8317 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8319 * df-scan.c (problem_SCAN): Added NULL reset function.
8320 (df_scan_reset_blocks): Added code to call reset block function
8321 (df_bb_refs_delete) Fixed comment.
8322 (df_insn_refs_delete): Made tolerant of deleting non existent info
8323 for dataflow problems that need to be reset.
8324 * df-core.c (df_set_blocks): Ditto.
8325 * df.h (struct df_problem): Added reset_fun.
8326 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8327 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8328 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8329 functions to clear out all references to def-use or use-def chains.
8331 2006-01-21 Ben Elliston <bje@au.ibm.com>
8333 * varasm.c (assemble_real): Initialise data array.
8335 2006-01-20 Paul Brook <paul@codesourcery.com>
8337 Merge from csl-arm-branch.
8338 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8339 * config/arm/arm.md (movdi): Force operands[1] to a register
8340 if we have a non-register source.
8341 (*arm_movdi, *movdf_soft_insn): Require that one of the
8342 operands be a register.
8343 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8344 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8346 2006-01-20 DJ Delorie <dj@redhat.com>
8348 * varasm.c (initialize_constant_valid_p): Allow pointers
8349 initialized from integer constants of lesser precision.
8350 (output_constant): Allow non-int-sized pointer modes to be
8351 initialized from integer constants.
8353 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8356 * cppdefault.h (struct default_include): Add multilib flag.
8357 * cppdefault.c (cpp_include_defaults): Set it.
8358 * c.opt (-imultilib): New option.
8359 * c-opts.c (imultilib): New.
8360 (c_common_handle_option): Handle -imultilib.
8361 (c_common_post_options): Likewise.
8362 * c-incpath.c (add_standard_paths, register_include_chains):
8364 * c-incpath.h (register_include_chains): Add extra parameter.
8365 * gcc.c (do_spec_1): Generate -imultilib option.
8366 (The Specs Language): Update %I description.
8367 (process_command): Update copyright notice.
8368 * doc/cppopts.texi (-imultilib): Document.
8369 * doc/invoke.texi (-imultilib): Include in option summary.
8370 (%I): Update specs documentation.
8372 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8374 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8376 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8378 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8381 2006-01-20 Richard Guenther <rguenther@suse.de>
8382 Steven Bosscher <stevenb.gcc@gmail.com>
8384 PR rtl-optimization/24626
8385 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8386 EDGE_TRUE_VALUE if in RTL mode.
8389 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8390 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8392 2006-01-20 Dirk Mueller <dmueller@suse.com>
8395 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8396 instead of a special NOP marker.
8397 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8398 NOP marker handling.
8399 * c-common.h (empty_body_warning): Add forward declaration.
8400 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8401 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8403 2006-01-20 Paul Brook <paul@codesourcery.com>
8405 * Makefile.in (lang_checks): Keep going if mkdir fails.
8407 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8409 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8410 be able to clean out basic block when not necessary.
8411 (df_scan_free): Fixed to properly delete information if df is
8412 unused before calling df_finish.
8413 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8414 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8416 (df_bb_refs_delete): New function.
8417 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8418 * df-core.c (df_set_blocks): Added code to properly clean out
8419 unused blocks if they are not part of the blocks to consider.
8420 Added additional null check.
8421 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8422 be able to clean out basic block when not necessary
8423 * df.h (df_free_bb_function): Ditto.
8424 (df_bb_refs_delete): New function.
8425 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8426 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8427 basic block parameter to be able to clean out basic block when not
8429 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8430 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8431 Fixed to properly delete information if df is unused before
8434 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8436 PR rtl-optimization/25799
8437 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8438 Corrected confluence operator to remove bits from op2 before oring
8439 with op1 rather than removing bits from op1.
8440 (df_ru_transfer_function): Corrected test on wrong bitmap which
8441 caused infinite loop. Both of these problems were introduced in
8442 the dataflow rewrite.
8444 2006-01-19 DJ Delorie <dj@redhat.com>
8446 * reload1.c (find_reload_regs): Note the details of reload
8447 failures in the dump file.
8448 (spill_failure): Likewise.
8450 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8452 * loop-iv.c: Include df.h and hashtab.h.
8453 (enum iv_grd_result): New enum.
8454 (DF_REF_IV, DF_REF_IV_SET): New macros.
8455 (struct biv_entry): New.
8456 (df, bivs): New global variables.
8457 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8458 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8460 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8461 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8462 analyzed_for_bivness_p, record_biv): New functions.
8463 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8464 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8465 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8467 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8469 (iv_number_of_iterations): Use new interface to iv analysis.
8470 * loop-unroll.c: Do not include varray.h.
8471 (analyze_iv_to_split_insn): Use new interface to iv
8473 * loop-unswitch.c (may_unswitch_on): Ditto.
8474 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8476 (df_bb_modify): Realloc tables to the new index.
8477 (df_find_use): New function.
8478 * df.h (df_find_use): Declare.
8479 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8481 * cfgloop.h (struct rtx_iv): Remove analysed field.
8482 (iv_get_reaching_def): Removed.
8483 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8484 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8485 (loop-iv.o): Add df.h and hashtab.h dependency.
8486 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8488 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8491 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8493 (__floatundisf, __floatundidf): Likewise.
8494 * libgcc2.h (IS_IBM_EXTENDED): Define.
8496 2006-01-19 DJ Delorie <dj@redhat.com>
8498 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8500 2006-01-19 Paul Brook <paul@codesourcery.com>
8502 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8503 as nothrow when unwinding tables are disabled.
8505 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8508 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8509 of bit-field" when in system header.
8511 2006-01-19 DJ Delorie <dj@redhat.com>
8513 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8514 the 16 bit shift limit of the m16c.
8516 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8519 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8520 * config/i386/i386.c (output_set_got): Output the label if we have one
8521 for the TARGET_DEEP_BRANCH_PREDICTION case.
8523 2006-01-19 Jan Hubicka <jh@suse.cz>
8524 H.J. Lu <hongjiu.lu@intel.com>
8525 Evandro Menezes <evandro.menezes@amd.com>
8527 * invoke.texi (generic): Document
8529 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8530 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8531 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8532 (x86_use_incdec, x86_pad_returns): New variables
8533 (TARGET_CPU_DEFAULT_generic): New constant
8534 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8535 (enum processor_type): Add generic32 and generic64.
8536 * i386.md (cpu attribute): Add generic32/generic64
8537 (movhi splitter): Behave sanely when both partial_reg_dependency and
8538 partial_reg_stall are set.
8539 (K8 splitters): Enable for generic as well.
8540 * predicates.md (incdec_operand): Use TARGET_INCDEC
8541 (aligned_operand): Avoid memory mismatch stalls.
8542 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8543 * ppro.md: Enable for generic32
8544 * i386.c (generic64_cost, generic32_cost): New.
8545 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8546 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8547 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8548 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8549 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8550 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8551 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8552 x86_accumulate_outgoing_args, x86_prologue_using_move,
8553 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8554 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8556 (x86_use_incdec, x86_pad_returns): New.
8557 (override_options): Add generic32 and generic64, translate "generic"
8558 to generic32/generic64 and "i686" to "generic32", refuse
8559 "generic32"/"generic64" as arch target.
8560 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8561 (ix86_reorg): Honor PAD_RETURNS.
8563 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8565 * tree-pretty-print.c (dump_generic_node): Handle
8566 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8567 * cgraph.c (cgraph_expand_queue): Rename from
8568 cgraph_analyze_queue. Update all users.
8569 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8570 cgraph_expand_queue.
8571 (cgraph_expand_all_functions): Likewise.
8572 (cgraph_finalize_pending_functions): Remove. Update callers.
8574 * tree.h (OMP_DIRECTIVE_P): Define.
8575 (OMP_PARALLEL_FN): Define.
8576 (OMP_PARALLEL_DATA_ARG): Define.
8577 (OMP_SECTIONS_SECTIONS): Define.
8578 * tree-pass.h (pass_expand_omp): Declare.
8579 * omp-low.c (struct omp_region): Declare.
8580 (struct omp_context): Remove fields 'parallel_type',
8581 'parallel_start_ix' and 'parallel_start_additional_args'.
8583 (struct omp_for_data): Rename from struct expand_omp_for_data.
8584 (omp_regions): New static variable.
8585 (root_omp_region): New static variable.
8586 (find_omp_clause): Make static.
8587 (is_in_combined_parallel_ctx): Remove.
8588 (is_combined_parallel): New.
8589 (extract_omp_for_data): Move earlier in the file.
8590 (workshare_safe_to_combine_p): New.
8591 (get_ws_args_for): New.
8592 (determine_parallel_type): Move earlier in the file.
8593 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8595 (omp_copy_decl): Likewise.
8596 (create_omp_child_function): Likewise.
8597 (lookup_omp_region): New.
8598 (dump_omp_region): New.
8599 (debug_omp_region): New.
8600 (debug_all_omp_regions): New.
8601 (new_omp_region): New.
8602 (scan_omp_parallel): If parallel_nesting_level > 1, the
8603 directive is nested within another parallel directive.
8604 Set OMP_PARALLEL_FN.
8605 (scan_omp_for): Do not try to handle combined parallel+for
8607 Remove FIXME comment.
8608 (scan_omp_nested): Remove.
8609 (scan_omp_1): Do not call scan_omp_nested when
8610 parallel_nesting_level is > 1.
8611 Do not change the DECL_CONTEXT of local variables found.
8612 (lookup_decl_in_outer_ctx): New.
8613 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8614 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8615 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8616 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8617 If CTX is nested, lookup VAR in the outer context when
8618 building copy assignment.
8619 (lower_send_clauses): Rename from expand_send_clauses.
8620 If CTX is nested, lookup VAR in the outer context when
8621 building copy assignments.
8622 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8623 If CTX is nested, lookup VAR in the outer context when
8624 building copy assignments.
8625 (expand_parallel_call): Rename from build_parallel_call.
8626 Handle combined parallel+workshare cases.
8627 Re-implement to emit code into the CFG.
8629 (expand_omp_parallel): Re-implement to emit code into the CFG.
8630 Call move_sese_region_to_fn to outline the sub-graph
8631 containing the parallel region.
8632 (expand_omp_for_1): Remove.
8633 (expand_omp_for_generic): Re-implement to emit code into the
8635 (expand_omp_for_static_nochunk): Likewise.
8636 (expand_omp_for_static_chunk): Likewise.
8637 (expand_omp_for): Likewise.
8638 (expand_omp_sections): Likewise.
8639 (remove_exit_barriers): New.
8640 (expand_omp_synch): New.
8642 (build_omp_regions_1): New.
8643 (build_omp_regions): New.
8644 (execute_expand_omp): New.
8645 (gate_expand_omp): New.
8646 (pass_expand_omp): Define.
8647 (lower_omp_sections): Rename from expand_omp_sections.
8648 Set OMP_SECTIONS_SECTIONS.
8649 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8650 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8651 (lower_omp_single): Rename from expand_omp_simple.
8652 (lower_omp_master): Rename from expand_omp_master.
8653 (lower_omp_ordered): Rename from expand_omp_ordered.
8654 (lower_omp_critical): Rename from expand_omp_critical.
8655 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8656 (lower_omp_for): Re-implement.
8657 (lower_omp_parallel): Re-implement.
8658 (lower_regimplify): Rename from expand_regimplify.
8659 (lower_omp_1): Rename from expand_omp_1.
8660 If there are syntax errors in the program, replace every
8661 OpenMP directive with NOP.
8662 Call lower_omp_* instead of expand_omp_*.
8663 (lower_omp): Rename from expand_omp.
8665 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8666 * tree-gimple.h (enum omp_parallel_type): Remove.
8667 (gimple_boolify): Declare extern.
8668 (find_omp_clause, determine_parallel_type): Remove.
8670 * gimple-low.c (lower_omp_directive): New.
8671 (lower_stmt): Call it.
8672 (record_vars_into): Move from ...
8673 (record_vars): ... here.
8674 Call record_vars_into with current_function_decl.
8676 * gimplify.c (struct gimplify_ctx): Remove fields
8677 combined_pre_p and combined_ctxp. Update users.
8678 (get_formal_tmp_var): Add documentation.
8679 (gimple_boolify): Make extern.
8680 (gimplify_expr_in_ctx): Remove. Update callers.
8681 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8682 will always be a BIND_EXPR.
8683 (gimplify_expr): Handle OMP_RETURN_EXPR.
8684 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8685 (OMP_PARALLEL): Add 3 operands.
8686 (OMP_SECTIONS): Add 1 operand.
8687 (OMP_RETURN_EXPR): Define.
8689 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8690 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8691 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8692 creating a circular free list.
8693 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8695 * tree-flow.h (move_sese_region_to_fn): Declare.
8696 (record_vars_into): Declare.
8697 * tree-cfg.c (make_omp_sections_edges): New.
8698 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8699 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8700 OMP_SECTIONS and OMP_SECTION.
8701 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8702 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8703 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8704 (gather_blocks_in_sese_region): New.
8705 (struct move_stmt_d): Declare.
8707 (move_block_to_fn): New.
8708 (move_sese_region_to_fn): New.
8710 * passes.c (init_optimization_passes): Schedule
8711 pass_expand_omp after pass_init_datastructures.
8713 * tree-ssa-operands.c (get_expr_operands): Handle
8714 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8715 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8717 2006-01-19 Jeff Law <law@redhat.com>
8719 * tree-vrp.c (extract_range_from_assert): Refine the result range
8720 if the variable referenced by the ASSERT_EXPR has a range and
8721 either the tentative result range or the previous range is a
8724 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8726 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8728 2006-01-19 Jan Hubicka <jh@suse.cz>
8730 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8732 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8734 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8735 (expand_compound_operation, expand_field_assignment): Fail if the
8736 bit lengths of an extract operation are out of range.
8737 (make_extraction): Compute wanted_inner_mode based on the position
8738 and length of the extraction. Make it extraction_mode for non-constant
8739 positions, and do not modify offset in that case. When generating a
8740 new MEM, use a mode that can hold the extraction while keeping correct
8741 alignment. Remove code that supported MEMs wrapped by USEs.
8742 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8744 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8746 * config/s390/s390.md ("Y", "y"): New mode attribute.
8747 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8748 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8749 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8750 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8751 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8752 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8753 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8754 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8755 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8756 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8757 "addsi3", "subsi3"): Insn patterns removed.
8758 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8759 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8760 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8761 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8762 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8763 "*sub<mode>3_cconly2"): New insn patterns.
8764 ("addsi3", "subsi3"): New expanders.
8766 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8768 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8769 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8770 existing STMT_VINFO_VECTYPE if available.
8771 (vect_mark_relevant): Add special handling for stmts that are
8772 marked as STMT_VINFO_IN_PATTERN_P.
8773 (vect_analyze_loop): Call vect_pattern_recog.
8774 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8775 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8777 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8778 (vect_recog_func_ptr): New function-pointer type.
8779 * tree-vect-patterns.c: New file.
8780 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8781 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8782 (vect_pattern_recog_1): New functions.
8783 (vect_pattern_recog_funcs): New array of function pointers.
8785 * tree-vectorizer.h (ternary_op): New enum value.
8786 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8787 declaration. Revised documentation. Removed redundant dump prints.
8788 Removed redundant argument. Added support for reduction patterns.
8789 (vectorizable_reduction): Added support for reduction patterns.
8790 (vect_transform_stmt): Added support for patterns.
8792 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8793 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8794 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8795 (expand_widen_pattern_expr): New function.
8796 (init_optabs): Initialize new optabs udot_prod_optab,
8798 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8799 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8800 (expand_widen_pattern_expr): New function declaration.
8801 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8803 * tree-inline.c (estimate_num_insns_1): Added cases for new
8804 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8805 * tree-pretty-print.c (dump_generic_node): Likewise.
8806 (op_prio): Likewise.
8807 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8808 * tree-ssa-operands.c (get_expr_operands): Added case for
8810 * tree-vect-patterns.c (widened_name_p): New function.
8811 (vect_recog_dot_prod_pattern): Added function implementation.
8812 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8813 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8814 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8815 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8817 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8818 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8819 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8820 (init_optabs): Initialize new optabs widen_ssum_optab,
8822 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8823 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8824 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8825 use instead of type of def.
8826 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8827 function implementation.
8828 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8829 widen_ssumv8hi): New.
8831 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8834 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8837 * c-decl.c (add_flexible_array_elts_to_size): New function.
8838 (finish_decl): Use it.
8840 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8842 * diagnostic.h: Include options.h.
8843 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8844 dependancies for diagnostic.h.
8845 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8847 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8849 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8850 (ssa_ro_call_cache_valid): Ditto.
8851 * tree-ssa-alias.c (sort_tags_by_id): New function.
8852 (init_transitive_clobber_worklist): Ditto.
8853 (add_to_worklist): Ditto.
8854 (mark_aliases_call_clobbered): Ditto.
8855 (compute_tag_properties): Ditto.
8856 (set_initial_properties): Ditto.
8857 (compute_call_clobbered): Ditto.
8858 (compute_may_aliases): Call compute_call_clobbered and grouping.
8859 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8860 (compute_flow_insensitive_aliasing): Grouping now happens in our
8862 (setup_pointers_and_addressables): Remove clobbering related code.
8863 (add_may_alias): Ditto.
8864 (replace_may_alias): Ditto.
8865 (get_nmt_for): Ditto.
8866 (create_global_var):
8867 (is_escape_site): Return an escape_type enumeration.
8868 * tree-flow-inline.h (is_call_clobbered): Global var does not
8869 imply call clobbered.
8870 (mark_call_clobbered): Take a reason for marking this. Remove
8871 marking of globalness, and cache invalidation.
8872 (clear_call_clobbered): Remove cache invalidation code.
8873 * tree-dfa.c (dump_variable): If details is on, dump the reason
8875 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8877 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8878 (struct var_ann_d): Ditto.
8879 (enum escape_type): New.
8880 (mark_call_clobbered): Adjust prototype.
8881 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8882 are never call clobbered.
8883 Record reasons for escaping.
8884 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8885 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8886 (ssa_ro_call_cache_valid): Ditto.
8887 (clobbered_v_may_defs): Ditto.
8888 (clobbered_vuses): Ditto.
8889 (ro_call_vuses): Ditto.
8890 (clobber_stats): New.
8891 (init_ssa_operands): Zero out clobber stats.
8892 (fini_ssa_operands): Print out clobber stats.
8893 (get_call_expr_operands): Pass callee fndecl to
8895 (add_call_clobber_ops): Remove use of cache.
8896 Add use of PURE_CONST information.
8897 (add_call_read_ops): Remove use of cache.
8898 Add use of static not_read information.
8900 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8902 Introduce TLS descriptors for i386 and x86_64.
8903 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8904 (TARGET_ANY_GNU_TLS): New macro.
8905 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8906 (struct machine_function): Add tls_descriptor_call_expanded_p.
8907 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8908 (ix86_current_function_calls_tls_descriptor): Likewise.
8909 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8910 (override_options): Introduce gnu2 tls dialect.
8911 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8913 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8915 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8916 (ix86_init_machine_status): Initialize new field.
8917 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8918 (ix86_tls_module_base): New.
8919 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8920 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8921 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8922 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8923 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8924 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8925 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8926 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8927 * config/i386/predicates.md (tls_modbase_operand): New.
8928 (tp_or_register_operand): New.
8930 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8932 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8933 (look_for_address_of): Ditto.
8934 (ipa_init): Walk the function decls.
8935 (static_execute): Don't set readonly on FUNCTION_DECL's.
8937 2006-01-18 Roger Sayle <roger@eyesopen.com>
8939 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8940 for shifts where the source and destination registers are different.
8942 2006-01-18 Paul Brook <paul@codesourcery.com>
8944 Merge from csl-arm-branch.
8945 2005-03-14 Julian Brown <julian@codesourcery.com>
8946 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8947 (aeabi_llsl): Likewise.
8948 (ashrdi3): Likewise.
8949 (aeabi_lasr): Likewise.
8950 (lshrdi3): Likewise.
8951 (aeabi_llsr): Likewise.
8952 2005-03-10 Julian Brown <julian@codesourcery.com>
8953 * config.gcc: Disable shared libgcc for SymbianOS.
8954 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8956 2006-01-18 DJ Delorie <dj@redhat.com>
8958 * c-pragma.c (handle_pragma_diagnostic): New.
8959 (init_pragma): Register it.
8960 * doc/extend.texi: Document it.
8962 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8963 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8964 (diagnostic_context): Add classify_diagnostic[].
8965 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8966 as errors if they're overridden to DK_WARNING.
8967 (diagnostic_initialize): Initialize classify_diagnostic[].
8968 (diagnostic_set_kind_override): New.
8969 (diagnostic_report_diagnostic): Check for kind changes.
8970 * opts.c (common_handle_option): Take lang_mask. Update callers.
8972 * common.opt (Werror=): New.
8973 * doc/invoke.texi: Document -Werror=*
8975 2006-01-18 Jeff Law <law@redhat.com>
8977 * tree-vrp.c (test_for_singularity): Correct test for new
8978 min limit. Use operand_equal_p rather than pointer equality
8979 for testing if new min/max values are equal.
8981 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8982 using range information until after propagation and folding.
8984 2006-01-18 Richard Henderson <rth@redhat.com>
8985 Aldy Hernandez <aldyh@redhat.com>
8986 Jakub Jelinek <jakub@redhat.com>
8987 Diego Novillo <dnovillo@redhat.com>
8989 * omp-low.c: New file.
8990 * c-omp.c: New file.
8992 2006-01-18 Richard Henderson <rth@redhat.com>
8993 Jakub Jelinek <jakub@redhat.com>
8994 Diego Novillo <dnovillo@redhat.com>
8996 * doc/invoke.texi: Document -fopenmp.
8997 * tree-dump.h (debug_function): Declare.
8998 * hooks.c (hook_bool_tree_bool_false): New function.
8999 (hook_tree_tree_null): Remove.
9000 (hook_tree_tree_tree_null): New.
9001 * hooks.h: Update to match.
9002 * tree-pretty-print.c (debug_tree_chain): New.
9003 (print_generic_expr): Handle TDF_CHAIN.
9004 (dump_generic_node): Handle BLOCK.
9005 Do not abort with incomplete SWITCH_EXPRs.
9006 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9007 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9008 print space after directive name.
9009 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9010 Handle OMP_MASTER and OMP_ORDERED.
9011 Handle printing of OMP_BODY just in one place, goto
9012 dump_omp_body in the rest of OMP_* nodes that have
9014 Don't handle clause nodes here. Update omp statements to
9015 use dump_omp_clauses.
9016 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9017 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9018 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9019 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9020 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9021 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9022 Adjust output for GOMP_PARALLEL.
9023 (dump_omp_clauses): New.
9024 (print_declaration): Dump DECL_VALUE_EXPR.
9025 (op_symbol_1): Split out of op_symbol.
9026 (dumping_stmts): Remove. Update all users.
9027 * cgraph.c (cgraph_analyze_queue): New.
9028 (cgraph_add_new_function): New.
9029 * cgraph.h (cgraph_analyze_queue): Declare.
9030 (cgraph_add_new_function): Declare.
9031 (cgraph_lower_function): Remove.
9032 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9033 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9034 and TYPE_P nodes in its default clause.
9035 (empty_body_p): New.
9036 (tree_range_check_failed): New.
9038 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9039 OMP_CLAUSE_REDUCTION_MERGE,
9040 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9041 OMP_CLAUSE_PRIVATE_DEBUG,
9042 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9043 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9044 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9045 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9046 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9047 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9048 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9049 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9050 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9051 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9052 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9053 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9054 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9055 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9056 (TREE_RANGE_CHECK): New.
9057 (empty_body_p): Declare.
9058 (enum omp_clause_default_kind): New.
9059 (build_string_literal): Declare.
9060 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9061 (build5_stat, build5): Declare.
9062 * tree-pass.h (TDF_CHAIN): Define.
9063 * tree-pass.h (PROP_gimple_lomp): Define.
9064 (pass_lower_omp): Declare.
9065 * diagnostic.h (debug_tree_chain): Declare.
9066 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9068 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9069 * builtins.c (build_string_literal): Make extern.
9070 * gcc.c (include_spec_function): New.
9071 (static_spec_functions): Add it.
9072 (main): Move load of libgomp.spec ...
9073 (LINK_COMMAND_SPEC): ... here.
9074 (link_gomp_spec): New.
9075 (static_specs): Include it.
9076 (LINK_COMMAND_SPEC): Add link_gomp.
9077 (GOMP_SELF_SPECS): New.
9078 (driver_self_specs): Include it.
9079 (switch_matches): Don't mark inline.
9080 (main): Load libgomp.spec.
9081 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9082 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9083 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9084 * tree-gimple.h (enum omp_parallel): Declare.
9085 (determine_parallel_type): Declare.
9086 (omp_firstprivatize_variable): Declare.
9087 (omp_reduction_init): Declare.
9088 (diagnose_omp_structured_block_errors): Declare.
9089 (struct walk_stmt_info): Add want_return_expr.
9090 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9091 (find_omp_clause): Declare.
9092 (insert_field_into_struct): Declare.
9093 (struct walk_stmt_info): Move from tree-nested.c
9094 (walk_stmts): Declare.
9095 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9097 * cgraphunit.c (cgraph_lower_function): Make static.
9098 (cgraph_finalize_pending_functions): New.
9099 (cgraph_finalize_function): Call it.
9100 (cgraph_finalize_compilation_unit): Likewise.
9101 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9102 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9103 (BT_FN_UINT_UINT): New.
9104 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9105 DEF_FUNCTION_TYPE_VAR_4): Document.
9106 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9107 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9108 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9109 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9110 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9111 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9112 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9113 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9114 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9115 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9116 into separate files.
9117 (DEF_GOMP_BUILTIN): New.
9118 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9119 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9120 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9121 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9122 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9123 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9124 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9125 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9126 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9127 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9128 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9129 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9130 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9131 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9132 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9133 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9134 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9135 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9136 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9137 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9138 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9139 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9140 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9141 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9142 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9143 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9144 * sync-builtins.def: New file, moved from builtins.def.
9145 * omp-builtins.def: New file, moved from builtins.def.
9146 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9147 * gimple-low.c (lower_function_body): Clear data.
9148 (lower_stmt): Do not handle COMPOUND_EXPR.
9149 Remove call to print_node_brief.
9150 * c-tree.h (c_finish_omp_clauses): New prototype.
9151 (C_DECL_THREADPRIVATE_P): Define.
9152 (lookup_name_no_remap, c_omp_remap_private): Remove
9153 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9154 (check_for_loop_decls): Update decl.
9155 (lookup_name_no_remap, c_omp_remap_private): Declare.
9156 (build_indirect_ref, build_modify_expr, pushdecl,
9157 pushdecl_top_level): Move to c-common.h.
9158 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9159 before the switch, but just in the 2 places that need it.
9160 * c-decl.c (diagnose_mismatched_decls): Do not check for
9161 mismatched thread-local attributes when OLDDECL is marked
9162 threadprivate and NEWDECL has no thread-local attributes.
9163 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9164 (c_gimple_diagnostics_recursively): Rename from
9165 c_warn_unused_result_recursively. Invoke
9166 diagnose_omp_structured_block_errors.
9167 (check_for_loop_decls): Return a singular decl found.
9168 * langhooks.c (lhd_omp_predetermined_sharing): Return
9169 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9170 (lhd_omp_firstprivatize_type_sizes): New.
9171 (lhd_omp_assignment): New.
9172 (lhd_omp_predetermined_sharing): New.
9173 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9174 (struct lang_hooks_for_types): Add
9175 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9176 omp_predetermined_sharing, omp_disregard_value_expr,
9177 omp_private_debug_clause, omp_clause_default_ctor,
9178 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9179 (c_finish_omp_clauses): New.
9180 (c_finish_bc_stmt): Diagnose break within omp for.
9181 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9182 (build_unary_op): Return error_mark after reporting
9184 (build_modify_expr): Likewise.
9185 * gimplify.c: Include optabs.h and pointer-set.h.
9186 (enum gimplify_omp_var_data): Declare.
9187 (struct gimplify_omp_ctx): Declare.
9188 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9190 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9191 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9192 (splay_tree_compare_decl_uid): New.
9193 (new_omp_context): New.
9194 (delete_omp_context): New.
9195 (gimple_add_tmp_var): Call omp_add_variable.
9196 (gimplify_bind_expr): Likewise.
9197 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9198 true, disregard DECL_VALUE_EXPR on the decl if any.
9199 (gimplify_expr_in_ctx): New.
9200 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9201 omp_add_variable, omp_notice_variable, omp_is_private
9202 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9203 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9204 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9205 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9206 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9207 gimplify_omp_atomic): New.
9208 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9209 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9210 OMP_CRITICAL and OMP_ATOMIC.
9211 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9212 * c-pragma.h (enum pragma_kind): Add
9213 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9214 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9215 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9216 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9217 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9218 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9219 PRAGMA_OMP_THREADPRIVATE.
9220 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9221 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9222 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9223 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9224 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9225 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9226 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9227 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9228 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9229 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9230 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9231 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9232 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9234 (struct nesting_info): Add field_map,
9235 suppress_expansion, debug_var_chain.
9236 (create_nesting_tree): Initialize them.
9237 (lookup_field_for_decl): Use field_map.
9238 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9239 (convert_local_omp_clauses): New.
9240 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9241 (walk_body): Split out of walk_function.
9242 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9243 (convert_nonlocal_reference): Handle omp statements.
9244 (convert_local_reference): Likewise.
9245 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9246 (unnest_nesting_tree): New.
9247 (lower_nested_functions): Call it.
9248 (insert_field_into_struct): Make extern.
9249 (struct walk_stmt_info): Move to tree-gimple.h.
9250 (walk_stmts): Make extern.
9251 * omp-builtins.def: New file.
9252 * tree-iterator.c (expr_only): Clarify comment.
9253 * c-common.h (pushdecl_top_level, pushdecl,
9254 build_modify_expr, build_indirect_ref,
9255 c_finish_omp_master, c_finish_omp_critical,
9256 c_finish_omp_ordered, c_finish_omp_barrier,
9257 c_finish_omp_atomic, c_finish_omp_flush,
9258 c_finish_omp_for, c_split_parallel_clauses,
9259 omp_clause_default_kind, c_omp_sharing_predetermined,
9260 c_omp_remap_decl): Declare.
9261 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9262 (OBJS-common): Add omp-low.o.
9263 (c-omp.o, omp-low.o): Add.
9264 (gimplify.o): Add dependency on $(OPTABS_H).
9265 (GTFILES): Add omp-low.c.
9266 (gt-stringpool.h): Add.
9267 * tree-cfg.c (set_bb_for_stmt): Do not update the
9268 block-to-labels map if we are currently expanding to RTL.
9269 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9271 Handle IDENTIFIER_NODE.
9272 (tree_verify_flow_info): Do not ICE when emitting error
9273 messages about invalid labels.
9274 (dump_function_to_file): Reset CFUN before emitting the body
9276 (debug_function): New.
9277 * passes.c (init_optimization_passes): Schedule
9279 * langhooks-def.h (lhd_omp_predetermined_sharing,
9280 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9282 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9283 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9284 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9285 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9286 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9287 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9288 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9289 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9290 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9291 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9292 (LANG_HOOK_DECLS): Use them.
9294 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9295 Richard Henderson <rth@redhat.com>
9296 Jakub Jelinek <jakub@redhat.com>
9297 Diego Novillo <dnovillo@redhat.com>
9299 * c-parser.c (pragma_omp_clause): Define.
9300 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9301 (c_parser_compound_statement): Likewise.
9302 (c_parser_statement): Likewise.
9303 (c_parser_pragma): Handle omp pragmas.
9304 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9305 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9306 (c_parser_omp_clause_name, check_no_duplicate_clause,
9307 c_parser_omp_variable_list,
9308 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9309 c_parser_omp_clause_copyprivate,
9310 c_parser_omp_clause_default,
9311 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9312 c_parser_omp_clause_lastprivate,
9313 c_parser_omp_clause_nowait,
9314 c_parser_omp_clause_num_threads,
9315 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9316 c_parser_omp_clause_reduction,
9317 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9318 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9319 c_parser_omp_atomic, c_parser_omp_barrier,
9320 c_parser_omp_critical, c_parser_omp_flush,
9321 c_parser_omp_for_loop, c_parser_omp_for,
9322 c_parser_omp_master, c_parser_omp_ordered,
9323 c_parser_omp_sections_scope, c_parser_omp_sections,
9324 c_parser_omp_parallel, c_parser_omp_single,
9325 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9326 * c-pragma.c (init_pragma): Do omp pragma registration here.
9327 * c.opt (fopenmp): New flag.
9329 2006-01-18 Eric Christopher <echristo@apple.com>
9331 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9332 * config/darwin.h (GOMP_SELF_SPECS): Define.
9334 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9336 * rtl.h: Remove the prototype for reg_alloc.
9338 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9341 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9342 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9343 sjlj and dwarf2 exception handling.
9344 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9345 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9346 * pa/pa.c (function_value): Treat complex and vector types as
9348 (function_arg): Likewise. Only pass scalar floats in the floating
9349 point argument registers.
9350 * pa/t-slibgcc-dwarf-ver: New file.
9351 * pa/t-slibgcc-sjlj-ver: New file.
9352 * pa/t-slibgcc-elf-ver: Delete file.
9354 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9356 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9357 unlikely_test_section_p test.
9359 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9361 * mode-switching.c (optimize_mode_switching): Make it static.
9362 * basic-block.h: Remove the prototype for
9363 optimize_mode_switching.
9365 * modulo-sched.c (sms_schedule): Make it static.
9366 * rtl.h: Remove the prototype for sms_schedule.
9368 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9369 * rtl.h: Remove the prototype for gcse_after_reload_main.
9371 * reg-stack.c (reg_to_stack): Make it static.
9372 * rtl.h: Remove the prototype for reg_to_stack.
9374 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9376 * rtl.h: Remove the prototypes for regrename_optimize and
9377 copyprop_hardreg_forward.
9379 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9381 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9382 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9383 Test against the appropriate null constant for the mode.
9384 If 'fixup_overlap' is true, swap the operands if they overlap.
9385 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9386 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9387 alpha_split_tmode_pair and adjust for above change.
9388 * config/alpha/alpha.md (movtf_internal): Adjust call to
9389 alpha_split_tfmode_pair and rely on it to swap the operands.
9390 (movti_internal): New insn and post-reload splitter.
9391 (movti): New expander.
9393 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9395 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9398 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9400 * rtlanal.c (global_reg_mentioned_p_1,
9401 global_reg_mentioned_p): Remove.
9402 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9404 * flow.c (initialize_uninitialized_subregs): Make it static.
9405 * rtl.h: Remove the prototype for
9406 initialize_uninitialized_subregs.
9408 * function.c (instantiate_virtual_regs): Make it static.
9409 * function.h: Remove the prototype for
9410 instantiate_virtual_regs.
9412 * regmove.c (regmove_optimize, combine_stack_adjustments):
9414 * rtl.h: Remove the prototypes for regmove_optimize and
9415 combine_stack_adjustments.
9417 2006-01-17 Roger Sayle <roger@eyesopen.com>
9419 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9420 (size_cost): Encode costs in bytes so that a reg-reg addition is
9421 equivalent to COSTS_N_INSNS(1).
9422 (override_options): Use the size_cost.branch_cost as the default
9423 ix86_branch_cost when optimizing for size.
9425 2006-01-18 Ben Elliston <bje@au.ibm.com>
9427 * Makefile.in (D32PBIT_FUNCS): New.
9428 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9429 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9430 D64PBIT_FUNCS and D128PBIT_FUNCS.
9431 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9432 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9434 (decnumber_dep): Define.
9435 * doc/libgcc.texi (Decimal float library routines): New node.
9436 * config/dfp-bit.h, config/dfp-bit.c: New files.
9438 2006-01-18 Ben Elliston <bje@au.ibm.com>
9440 * expr.c (emit_move_change_mode): Always adjust addresses, not
9441 just during reload. Copy replacements only during reload.
9442 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9443 emit_move_via_integer.
9445 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9447 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9448 instead of $(srcdir) and ${srcdir}.
9450 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9454 * arm.h (struct machine_function): Add pic_reg.
9455 * arm.c (arm_pic_register): Make unsigned.
9456 (arm_override_options): Only set arm_pic_register if
9457 TARGET_SINGLE_PIC_BASE.
9458 (use_return_insn): Only test for a pic register if it is fixed.
9459 (arm_compute_save_reg0_reg12_mask): Likewise.
9460 (thumb_compute_save_reg_mask): Likewise.
9461 (legitimate_pic_operand): Factor out some known invariants.
9462 (legitimize_pic_address): If we don't have a fixed pic register,
9463 then set up a pseudo in the function entry sequence. Handle the
9464 pic base being in a pseudo.
9465 (arm_load_pic_register): Handle the pic register being in a pseudo.
9466 (arm_expand_prologue): Only set up the pic register if it is fixed.
9467 (thumb_expand_prologue): Likewise.
9468 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9469 (pic_load_addr_based_insn): Likewise.
9470 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9473 2006-01-18 Ben Elliston <bje@au.ibm.com>
9475 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9476 decimal float modes for all floating point registers.
9478 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9479 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9481 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9484 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9485 even when the pointer is not NULL.
9487 2006-01-16 Ian Lance Taylor <ian@airs.com>
9489 * common.opt (ftoplevel-reorder): New option.
9490 * cgraph.c (cgraph_asm_nodes): New global variable.
9491 (cgraph_asm_last_node): New static variable.
9492 (cgraph_order): New global variable.
9493 (cgraph_create_node): Set new order field.
9494 (cgraph_varpool_node): Likewise.
9495 (decide_is_variable_needed): Return true if not
9496 flag_toplevel_reorder.
9497 (cgraph_add_asm_node): New function.
9498 * cgraph.h (struct cgraph_node): Add order field.
9499 (struct cgraph_varpool_node): Add order field.
9500 (struct cgraph_asm_node): Define.
9501 (cgraph_asm_nodes, cgraph_order): Declare.
9502 (cgraph_add_asm_node): Declare.
9503 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9505 (cgraph_varpool_assemble_pending_decls): Call it.
9506 (cgraph_output_pending_asms): New static function.
9507 (cgraph_finalize_compilation_unit): Call it.
9508 (struct cgraph_order_sort): Define.
9509 (cgraph_output_in_order): New static function.
9510 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9511 !flag_toplevel_reorder case.
9512 * c-parser.c: Include "cgraph.h".
9513 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9515 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9516 than -fno-unit-at-a-time.
9517 * doc/invoke.texi (Option Summary): Mention
9518 -fno-toplevel-reorder.
9519 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9520 -funit-at-a-time documentation.
9522 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9523 Kazu Hirata <kazu@codesourcery.com>
9525 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9527 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9529 * Makefile.in (FUNCTION_H): New. Use it instead of
9530 function.h throughout the file.
9531 * function.h: Include tree.h.
9533 2006-01-17 Ben Elliston <bje@au.ibm.com>
9535 * recog.c: Separate some functions with whitespace.
9537 2006-01-16 Richard Henderson <rth@redhat.com>
9539 Merge from gomp branch:
9540 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9541 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9542 and rename from struct inline_data. Rename callee* to dst*;
9543 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9544 transform_new_cfg, transform_return_to_modify, and
9545 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9547 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9548 (copy_decl_for_dup): Remove.
9549 * tree-inline.c (struct inline_data): Move to header.
9550 (insert_decl_map): Export.
9551 (remap_decl): Update for member name changes. Use copy_decl hook.
9552 Allow for replacement to be a non-decl. Remove dead code.
9553 (remap_type_1): Check for existing mapping.
9554 (remap_type): Export.
9555 (remap_decls): Update for member name changes.
9556 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9557 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9558 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9559 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9560 (tree_function_versioning, build_duplicate_type): Likewise.
9561 (copy_body_r): Likewise. Export.
9562 (copy_decl_for_dup): Split into ...
9563 (copy_decl_for_dup_finish, copy_decl_to_var,
9564 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9565 (replace_ref_tree, inlining_p): Remove.
9567 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9569 * ifcvt.c (if_convert): Make it static.
9570 * rtl.h: Remove the prototype for if_convert.
9572 * local-alloc.c (local_alloc): Make it static.
9573 * rtl.h: Remove the prototype for local_alloc.
9575 * loop.c (loop_optimize): Make it static.
9576 * cfgloop.h: Remove the prototype for loop_optimize.
9579 2006-01-16 DJ Delorie <dj@redhat.com>
9581 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9584 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9586 * pa.md: Disparage copies between general and floating-point registers
9587 in 32-bit move patterns.
9589 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9592 * Makefile.in (check-%): Depend on site.exp instead of
9593 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9596 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9598 * global.c (global_alloc): Make it static.
9599 * rtl.h: Remove the prototype for global_alloc.
9601 2006-01-16 Richard Guenther <rguenther@suse.de>
9603 * tree-ssa-alias.c (struct used_part): Add write_only field.
9604 (get_or_create_used_part_for): Initialize it to true.
9605 (create_overlap_variables_for): Don't create structure variables
9606 for structures that only are written to.
9607 (find_used_portions): Handle MODIFY_EXPR to track whether a
9608 structure is only written to.
9610 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9612 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9614 * basic-block.h: Remove the prototype for
9615 partition_hot_cold_basic_blocks.
9617 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9619 * cppspec.c (lang_specific_spec_functions): Remove.
9620 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9621 * gcc.h (lang_specific_spec_functions): Remove.
9622 * gccspec.c (lang_specific_spec_functions): Remove.
9624 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9626 * combine.c (record_value_for_reg): Invalidate registers
9628 (record_dead_and_set_regs_1): Likewise, by passing them to
9629 record_value_for_reg.
9630 (record_dead_and_set_regs): Invalidate stores made by a
9631 call. We do not combine across a call, but we still
9632 relied on equivalences.
9634 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9636 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9637 vrp_int_const_binop returning non-constant nodes.
9639 2006-01-16 Paul Brook <paul@codesourcery.com>
9641 * config/m68k/m68k.c (output_move_const_into_data_reg):
9642 Output correct mnemonic for mvz and mvs.
9644 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9646 * rtl-factoring.c: Add sequence abstraction algorithm.
9647 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9648 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9650 (block_has_preserve_label): New function.
9651 * common.opt: Register new pass.
9652 * Makefile.in: Ditto.
9654 * timevar.def: Ditto.
9655 * tree-pass.h: Ditto.
9656 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9657 * rtl.h (make_jump_insn_raw): Add forward decl.
9658 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9660 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9661 Roger Sayle <roger@eyesopen.com>
9663 * fold-const.c (fold_minmax): New static function.
9664 (fold_binary) <MIN_EXPR>: Call it.
9665 <MAX_EXPR>: Likewise.
9666 * stor-layout.c (place_field): Use DECL_SIZE consistently
9667 in the computation of the new record size.
9669 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9671 * cse.c (cse_condition_code_reg): Make it static.
9672 * rtl.h: Remove the prototype for cse_condition_code_reg.
9674 * combine.c (combine_instructions): Make it static.
9675 * rtl.h: Remove the prototype for combine_instructions.
9677 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9680 * tree.c (get_file_function_name_long): Concatenate the first global
9681 object name with a string derived from the input filename of the object
9684 2006-01-16 Ben Elliston <bje@au.ibm.com>
9686 * config/i386/winnt-stubs.c: Update FSF address.
9687 * config/xtensa/ieee754-df.S: Ditto.
9688 * config/xtensa/ieee754-sf.S: Ditto.
9690 2006-01-14 Ian Lance Taylor <ian@airs.com>
9692 * ifcvt.c (noce_init_if_info): New static function, broken out of
9693 noce_process_if_block.
9694 (noce_process_if_block): Call noce_init_if_info.
9695 (check_cond_move_block): New static function.
9696 (cond_move_process_if_block): New static function.
9697 (process_if_block): Call cond_move_process_if_block.
9699 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9701 * cselib.c (hash_table): Rename to cselib_hash_table.
9702 (cselib_clear_table, discard_useless_values,
9703 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9704 cselib_init, cselib_finish): Adjust uses of hash_table.
9706 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9708 PR tree-optimization/25485
9709 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9710 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9711 is known to be false and true, respectively.
9713 2006-01-14 Richard Guenther <rguenther@suse.de>
9715 PR tree-optimization/22548
9716 PR tree-optimization/22555
9717 PR tree-optimization/22501
9718 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9719 * params.def (salias-max-array-elements): New parameter.
9720 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9721 * doc/invoke.texi (salias-max-array-elements): Document.
9722 * tree-flow-inline.h (var_can_have_subvars): We also handle
9724 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9726 * tree-ssa-structalias.c (params.h): Include.
9727 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9728 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9729 (get_constraint_for): For ADDR_EXPR operating on something
9730 containing an ARRAY_REF, add all subvars to the solution.
9731 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9732 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9733 for creating MUST_DEFs.
9734 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9736 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9738 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9740 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9741 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9742 number_of_iterations_le): New functions.
9743 (number_of_iterations_special): Removed.
9744 (number_of_iterations_exit): Do not use number_of_iterations_special.
9745 * tree.c (unsigned_type_for): Always return integer type.
9747 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9748 Richard Guenther <rguenther@suse.de>
9750 PR rtl-optimization/24257
9751 * gcse.c (find_moveable_store): Only consider a store movable
9752 when the SET_SRC of the insn can be assigned to a register.
9754 2006-01-14 Ian Lance Taylor <ian@airs.com>
9756 * tree.c (tree_not_class_check_failed): New function.
9757 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9758 (tree_not_class_check_failed): Declare.
9760 2006-01-13 Ian Lance Taylor <ian@airs.com>
9762 * reload1.c (do_output_reload): Add assertion rejecting a
9765 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9767 * combine.c (struct reg_stat): Add new fields truncation_label and
9769 (record_value_for_reg): Reset truncated_to_mode.
9770 (record_truncated_value): New function.
9771 (check_promoted_subreg): Call it. Rename to check_conversions.
9772 (combine_instructions): Rename check_promoted_subreg to
9774 (reg_truncated_to_mode): New function.
9775 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9776 (gen_lowpart_or_truncate): New function.
9777 (force_to_mode): Use it instead of gen_lowpart.
9779 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9781 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9782 VAR is a tag, not its type tag.
9784 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9786 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9787 alternatives to match style of other entries.
9788 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9790 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9792 PR tree-optimization/25771
9793 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9796 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9799 * tree-inline.c (declare_return_variable): If the return variable
9800 was marked as a non gimple complex, set the return slot variable
9801 to be a non gimple comple variable.
9803 2006-01-13 Richard Guenther <rguenther@suse.de>
9805 * builtins.c (expand_builtin_sincos): New function.
9806 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9808 (expand_builtin): Expand sincos using expand_builtin_sincos.
9810 2006-01-12 DJ Delorie <dj@redhat.com>
9812 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9813 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9814 so that constant shifts can be split.
9815 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9816 (m32c_valid_pointer_mode): Make static.
9817 (shift_gen_func_for): New.
9818 (m32c_prepare_shift): Use it. Split large const shifts into
9820 * config/m32c/predicates.md (shiftcount_operand): Allow more
9822 (longshiftcount_operand): New.
9823 * doc/md.texi (Machine Constraints): Document In6.
9825 2006-01-13 Ben Elliston <bje@au.ibm.com>
9827 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9828 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9831 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9833 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9834 to try to avoid clobbering pieces of structures when we know
9835 something about the whole structure.
9836 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9838 2006-01-13 Ben Elliston <bje@au.ibm.com>
9840 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9841 return in memory, as this is no limitation is no longer present.
9843 2006-01-12 DJ Delorie <dj@redhat.com>
9845 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9846 mova with fb, and for fb+0 -> An.
9848 * config/m32c/mov.md (peephole2): Fix enabling logic.
9850 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9851 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9852 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9853 FINI_ARRAY_SECTION_ASM_OP): Define.
9855 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9857 (m32c_legitimize_reload_address): New logic to reload FB to An.
9858 (m32c_output_reg_push): Add newline.
9859 (m32c_output_reg_pop): Likewise.
9861 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9863 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9865 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9867 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9869 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9871 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9874 2006-01-11 Ben Elliston <bje@au.ibm.com>
9876 * rtlanal.c (find_reg_note): Assert insn is not null.
9878 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9880 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9883 2006-01-11 Jeff Law <law@redhat.com>
9885 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9887 (mark_threaded_blocks, register_jump_thread): New functions.
9888 (thread_through_all_blocks): Remove unwanted argument. No
9889 longer rely on e->aux to communicate thread target info.
9890 Call mark_threaded_blocks. Release the threaded_blocks
9891 bitmap and threaded_edges vector when complete.
9892 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9893 (threaded_blocks): Remove.
9894 (tree_ssa_dominator_optimize): Remove initialization and
9895 finalization of threaded_blocks. Simplify call to
9896 thread_through_all_blocks.
9897 (thread_across_edge): Call register_jump_thread rather than
9898 storing thread information into e->aux.
9899 (free_all_edge_infos): Simplify now that e->aux is no longer
9900 used to communicate with thread_through_all_blocks.
9901 * tree-flow.h (thread_through_all_blocks): Update prototype.
9902 (register_jump_thread): Prototype.
9904 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9906 * df-core.c (df_compact_blocks, df_bb_replace): Use
9907 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9909 2006-01-11 Richard Guenther <rguenther@suse.de>
9911 PR tree-optimization/25734
9912 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9913 stop propagation after successful propagation to the LHS.
9915 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9917 * basic-block.h (control_flow_graph): Change the type of
9918 x_basic_block_info to VEC(basic_block,gc) *.
9919 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9921 (SET_BASIC_BLOCK): New.
9922 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9923 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9924 * cfgbuild.c (find_basic_blocks): Likewise.
9925 * cfglayout.c (fixup_reorder_chain): Likewise.
9926 * cfgrtl.c (create_basic_block_structure,
9927 rtl_create_basic_block): Likewise.
9928 * ifcvt.c (find_if_case_1): Likewise.
9929 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9932 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9934 * Makefile.in: Removed rotted odf.c entry.
9936 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9939 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9940 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9941 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9942 output pattern modifier, not %e.
9943 * config/cris/cris.c (cris_op_str): Update comment about pattern
9945 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9946 before falling through into...
9947 <case 'E'>: Redefined from old 'e' case.
9949 2006-01-11 Jan Hubicka <jh@suse.cz>
9952 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9954 2006-01-11 Jan Hubicka <jh@suse.cz>
9956 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9957 * i386.c (x86_decompose_lea): Kill.
9958 (ix86_rtx_costs): Kill.
9960 2006-01-11 Jan Hubicka <jh@suse.cz>
9962 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9963 * cgraph.h (cgraph_node): Add inline_decl.
9964 (cgraph_insert_node_to_hashtable): Declare.
9965 (save_inline_function_body): Declare.
9966 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9968 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9969 (cgraph_function_versioning): Update call of tree_function_versioning.
9970 (save_inline_function_body): New function.
9971 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9972 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9973 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9974 (cgraph_default_inline_p): Likewise.
9975 (cgraph_decide_inlining_incrementally): Likewise.
9976 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9977 (copy_bb): Kill saving; do updating of clones.
9978 (copy_cfg_body): Kill saving.
9979 (initialize_inlined-parameters): Likewise.
9980 (expand_call_inline): Likewise.
9982 (tree_function_versioning): New parameter "update_clones".
9983 (inlining_p): Kill saving.
9984 * tree-inline.h (tree_function_versioning): Update prototype.
9985 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9988 2006-01-11 Ian Lance Taylor <ian@airs.com>
9990 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9991 Allow undoing set of machine mode.
9992 (do_SUBST): Use enums instead of is_int.
9993 (do_SUBST_MODE): New function.
9994 (SUBST_MODE): New macro.
9995 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9996 reg and trying to replace reg_regno_rtx with a new register.
9997 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9998 (simplify_set): Use SUBST_MODE.
9999 (distribute_notes): Remove code that tried to update reg notes
10000 for regno_reg_rtx changes.
10002 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10004 PR tree-optimization/23109
10005 PR tree-optimization/23948
10006 PR tree-optimization/24123
10008 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10009 * tree-cfg.c (single_noncomplex_succ): New.
10010 * tree-flow.h (single_noncomplex_succ): Declare it.
10011 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10012 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10013 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10014 insert_bb, register_division_in, insert_reciprocals,
10015 replace_reciprocal, free_bb): New.
10016 (execute_cse_reciprocals_1): Rewritten.
10017 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10018 Do not commit any edge insertion. Always compute dominators and
10019 create the allocation pool.
10020 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10021 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10022 * targhooks.c (default_min_divistions_for_recip_mul): New.
10023 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10024 * passes.c (init_optimization_passes): Run recip after tree loop
10026 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10028 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10029 Kenneth Zadeck <zadeck@naturalbridge.com>
10031 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10032 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10033 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10034 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10035 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10036 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10037 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10038 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10039 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10040 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10041 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10042 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10043 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10044 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10045 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10046 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10047 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10048 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10049 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10050 DF_SCAN_POST_ALLOC): New macros.
10051 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10052 df_free_bb_function, df_local_compute_function, df_init_function,
10053 df_dataflow_function, df_confluence_function_0,
10054 df_confluence_function_n, df_transfer_function,
10055 df_finalizer_function, df_free_function, df_dump_problem_function,
10056 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10057 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10058 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10059 df_urec_bb_info, ) New types.
10060 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10062 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10063 df_analyze_simple_change_some_blocks,
10064 df_analyze_simple_change_one_block, df_compact_blocks,
10065 df_bb_replace, df_bb_regno_last_use_find,
10066 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10067 df_insn_regno_def_p, df_find_def, df_find_use,
10068 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10069 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10070 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10071 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10072 debug_df_chain, df_get_dependent_problem, df_chain_create,
10073 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10074 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10075 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10076 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10077 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10078 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10079 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10080 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10081 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10082 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10083 df_reorganize_refs, df_set_state, df_hard_reg_init,
10084 df_read_modify_subreg_p) New public functions.
10085 * df-core.c: The core dataflow solver and glue routines for rtl
10087 (df_init, df_add_problem, df_set_blocks, df_finish,
10088 df_hybrid_search_forward, df_hybrid_search_backward,
10089 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10090 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10091 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10092 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10093 df_reg_defined, df_find_use, df_reg_used, df_dump,
10094 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10095 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10096 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10097 debug_df_useno, reset_df_after_reload): New functions.
10098 * df-scan.c: The scanning fuctions, once in df.c, completely
10099 rewritten so that they now fully model the functionality of
10100 register usage at the backend.
10101 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10102 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10103 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10104 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10105 df_get_artificial_defs, df_get_artificial_uses,
10106 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10107 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10108 df_refs_delete, df_reorganize_refs, df_set_state,
10109 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10110 df_def_record_1, df_defs_record, df_uses_record,
10111 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10112 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10113 df_record_exit_block_uses, df_hard_reg_init): New functions.
10115 * df-problems.c: Seven concrete dataflow problems that use the
10116 scanning in df-scan.c and are solved by the engine in df-core.c.
10117 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10118 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10119 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10120 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10121 df_ru_free_bb_info, df_ru_alloc,
10122 df_ru_bb_local_compute_process_def,
10123 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10124 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10125 df_ru_transfer_function, df_ru_free, df_ru_dump,
10126 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10127 df_rd_free_bb_info, df_rd_alloc,
10128 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10129 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10130 df_rd_transfer_function, df_rd_free, df_rd_dump,
10131 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10132 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10133 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10134 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10135 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10136 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10137 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10138 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10139 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10140 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10141 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10142 df_urec_mark_reg_use_for_earlyclobber,
10143 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10144 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10145 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10146 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10147 df_chain_create_bb_process_use, df_chain_create_bb,
10148 df_chain_finalize, df_chain_free, df_chains_dump,
10149 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10150 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10151 df_reg_lifetime): New functions.
10152 * df.c: Deleted file.
10153 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10154 consistent with new df api.
10155 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10156 rest_of_handle_sms): Ditto.
10157 * web.c (unionfind_union, union_defs, entry_register, web_main):
10159 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10160 invariant_expr_equal_p, find_defs, check_dependencies,
10161 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10162 free_inv_motion_data, move_loop_invariants): Ditto.
10163 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10164 Update dependencies.
10165 (odf.c): Added defective entry that was deleted later in day.
10166 * sched-deps.c (sched_analyze_1): Ditto.
10168 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10170 * tree-ssa-operands.c (get_expr_operands): Record addressable
10171 variables directly. Do not call add_stmt_operands for CONST_DECLs
10173 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10174 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10176 2006-01-11 Ben Elliston <bje@au.ibm.com>
10178 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10179 function returns true in the positive case.
10181 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10184 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10185 for SI, DI, SF and DF modes. Add alternatives to copy between
10186 general and floating point registers to the 32-bit patterns.
10187 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10188 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10189 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10190 generating 64-bit code.
10191 * config/pa/pa.c (output_move_double): Handle copies between general
10192 and floating registers.
10194 2006-01-10 Stuart Hastings <stuart@apple.com>
10196 * config/i386/i386.md (set_got): Update.
10197 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10198 (builtin_setjmp_receiver): Mach-O support.
10199 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10200 (GOT_SYMBOL_NAME): Define.
10201 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10202 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10203 * config/i386/i386.c (override_options): Revise for Darwin.
10204 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10205 support. (darwin_x86_file_end): New. (output_set_got): Add label
10206 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10207 * config/i386/i386-protos.h (output_set_got): Likewise.
10208 * config/darwin.c (machopic_legitimize_pic_address): Update
10211 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10213 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10214 when MODE isn't BLKmode.
10216 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10218 PR rtl-optimization/25367
10219 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10221 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10224 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10225 for a negative bound.
10227 2006-01-10 Richard Guenther <rguenther@suse.de>
10229 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10230 Never override with anything constraint.
10232 2006-01-10 Jan Beulich <jbeulich@novell.com>
10234 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10235 256 bits when optimize_size.
10237 2006-01-10 Jan Beulich <jbeulich@novell.com>
10239 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10241 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10242 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10245 2006-01-10 Ben Elliston <bje@au.ibm.com>
10247 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10249 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10250 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10251 (USE_FP_FOR_ARG): Reject decimal float modes.
10252 (function_arg_advance): Likewise.
10253 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10254 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10255 point types in AltiVec vectors.
10256 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10257 (rs6000_libcall_value): Likewise.
10259 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10261 * config/xtensa/ieee754-df.S: New file.
10262 * config/xtensa/ieee754-sf.S: New file.
10263 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10264 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10265 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10267 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10269 * config/sh/predicates.md (binary_float_operator,
10270 binary_logical_operator, commutative_float_operator,
10271 equality_comparison_operator, greater_comparison_operator,
10272 less_comparison_operator, logical_operator,
10273 noncommutative_float_operator, shift_operator,
10274 symbol_ref_operand, unary_float_operator): Remove redundant
10277 2006-01-09 Jeff Law <law@redhat.com>
10279 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10280 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10281 now unused arguments. Callers updated.
10282 (eliminate_redundant_computations): Remove now unused arguments,
10284 (local_fold): Remove, no longer used.
10285 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10287 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10288 (simplify_cond): New function.
10289 (forward_propagate_into_cond): Call simplify_cond.
10291 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10293 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10294 (*vec_extractv2di_1_sse): New.
10296 2006-01-09 Ben Elliston <bje@au.ibm.com>
10298 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10300 2006-01-08 Richard Guenther <rguenther@suse.de>
10302 * tree-ssa-structalias.c (get_constraint_for): Remove
10303 anyoffset argument.
10304 (get_constraint_for_component_ref): Likewise.
10305 (do_deref): Likewise.
10306 (get_constraint_for): Likewise.
10307 (do_structure_copy): Likewise.
10308 (handle_ptr_arith): Likewise.
10309 (find_func_aliases): Likewise. Remove unused need_anyoffset
10312 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10313 Kaz Kojima <kkojima@gcc.gnu.org>
10315 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10316 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10317 (EXTRA_CONSTRAINT_C16): Remove.
10318 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10319 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10320 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10321 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10322 constants of SHmedia. Handle nested constant expressions of
10324 (andcosts): Fix the costs for SHmedia constants.
10325 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10326 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10327 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10328 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10329 (movv4hi_i, movv2si_i): Likewise.
10330 (movsi_const): Adjust the second operand of ior so to match with
10331 the Csu constraint.
10332 (movdi_const, movdi_const_32bit): Likewise.
10333 (movdi_const_16bit+1): Don't sign-extend LOW.
10334 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10336 (*double_shori): Fix the split condition. Use GEN_INT instead
10337 of get_int_mode calls. Mask lower 16-bit of the argument of
10339 (sym2GOTPLT): Remove.
10340 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10342 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10343 instead of EXTRA_CONSTRAINT_C16.
10345 2006-01-07 Ian Lance Taylor <ian@airs.com>
10346 David Edelsohn <edelsohn@gnu.org>
10348 PR rtl-optimization/25662
10349 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10350 for constant operands instead of simplify_gen_binary.
10351 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10352 after trying simplify_binary_operation
10354 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10356 * tree.c (iterative_hash_expr): Hash decls based on UID.
10358 2006-01-06 Eric Christopher <echristo@apple.com>
10360 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10361 (TARGET_UNWIND_EMIT): Fix spelling.
10362 * target.h (gcc_target): Add except_table_label.
10363 * except.c (output_function_exception_table): Use.
10364 * varasm.c (default_emit_except_table_label): New.
10365 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10367 (asm_out): Add here.
10368 * output.h (default_emit_except_table_label): Prototype.
10369 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10370 * config/darwin.c (darwin_emit_except_table_label): Define.
10371 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10373 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10375 PR tree-optimization/18527
10376 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10377 number_of_iterations_special, number_of_iterations_exit):
10378 Move base and step of an iv to a single structure. Add
10379 no_overflow flag, and use it in # of iterations analysis.
10380 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10381 folded_casts argument.
10382 (simple_iv): Pass base and step in a structure. Set no_overflow
10384 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10385 Evaluate expensiveness of computing # of iterations instead of
10386 the final expression.
10387 * tree-scalar-evolution.h (affine_iv): New structure.
10388 (simple_iv): Declaration changed.
10389 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10390 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10391 find_givs_in_stmt): Changed due to simple_iv change.
10393 2006-01-06 Jeff Law <law@redhat.com>
10396 * tree-cfg.c (bsi_replace): Rename final argument from
10397 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10398 change (stmt -> orig_stmt).
10399 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10400 (bsi_remove): Add new argument. Remove EH information
10402 (verify_eh_throw_table_statements): New function.
10403 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10405 * tree-optimize.c (execute_free_cfg_annotations): Verify
10406 the EH throw statement table after removing annotations.
10407 * except.h (verify_eh_throw_table_statements): Prototype.
10408 * tree-flow.h (bsi_remove): Update prototype.
10409 * tree-vrp.c (remove_range_assertions): Add new argument to
10411 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10412 * tree-complex.c (expand_complex_div_wide): Likewise.
10413 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10414 * tree-tailcall.c (eliminate_tailcall): Likewise.
10415 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10416 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10417 * tree-nrv.c (tree_nrv): Likewise.
10418 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10419 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10420 (combine_blocks): Likewise.
10421 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10422 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10423 (cleanup_control_flow): Likewise.
10424 (remove_forwarder_block): Likewise.
10425 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10426 * tree-sra.c (sra_replace): Likewise.
10427 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10428 (forward_propagate_single_use_vars): Likewise.
10429 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10430 * tree-inline.c (expand_call_inline): Likewise.
10431 * tree-vect-transform.c (vect_transform_loop): Likewise.
10432 * tree-outof-ssa.c (rewrite_trees): Likewise.
10433 * tree-cfg.c (make_goto_expr_edges): Likewise.
10434 (cleanup_dead_labels): Likewise.
10435 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10436 (bsi_move_before, bsi_move_after): Likewise.
10437 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10438 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10440 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10443 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10445 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10446 on non gimple variables. Also add checks at the top for decls and
10448 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10450 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10451 and IMAGPART_EXPR for creating MUST_DEFs.
10452 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10453 and NAME_MEMORY_TAG separately from the DECLs.
10455 2006-01-06 Richard Guenther <rguenther@suse.de>
10457 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10458 annotation, if necessary.
10459 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10460 redundant calls to update_stmt.
10461 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10464 2006-01-05 Richard Henderson <rth@redhat.com>
10466 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10468 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10470 * c-typeck.c: Update copyright date.
10472 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10474 * c-typeck.c (build_c_cast): Always warn when casting
10475 from a pointer to an integer of different size, even if
10476 the node was constant.
10478 2006-01-05 Richard Guenther <rguenther@suse.de>
10480 PR tree-optimization/22555
10481 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10482 if one structure field is an array.
10483 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10484 operands even if we found a subvar, but ignore VOPs in this
10486 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10488 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10490 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10492 PR middle-end/24998
10493 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10495 2006-01-05 Richard Guenther <rguenther@suse.de>
10496 Diego Novillo <dnovillo@redhat.com>
10498 * tree-pass.h (TODO_remove_unused_locals): Define.
10499 * gimple-low.c (expand_var_p, remove_useless_vars,
10500 pass_remove_useless_vars): Remove. Update all users.
10501 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10502 (remove_unused_locals): New function.
10503 * tree-flow.h (remove_unused_locals): Declare.
10504 * passes.c (execute_todo): Call remove_unused_locals if
10505 TODO_remove_unused_locals is set.
10506 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10507 * tree-ssa-dce.c (pass_dce): Likewise.
10508 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10510 2006-01-05 Richard Guenther <rguenther@suse.de>
10512 * tree-flow.h (struct fieldoff): Decompose field to
10513 type, size and decl.
10514 * tree-ssa-alias.c (create_sft): Take type as parameter.
10515 (create_overlap_variables_for): Store type, size and decl
10516 in the fieldoff structure.
10517 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10518 of struct fieldoff.
10519 (push_fields_onto_fieldstack): Likewise.
10520 (create_variable_info_for): Likewise. Use offset for the
10521 SFT name if the decl is not available.
10523 2006-01-04 Paul Brook <paul@codesourcery.com>
10525 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10527 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10529 * lambda-code.c (can_put_in_inner_loop): Relax
10531 (can_put_after_inner_loop): New function.
10532 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10533 (perfect_nestify): Change to make copies and modify uses.
10535 2006-01-04 Richard Henderson <rth@redhat.com>
10537 Merge from gomp branch:
10538 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10539 via integer constant.
10540 (pragma_lex): Remove.
10541 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10542 rather than parsing it.
10543 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10544 handle_pragma_extern_prefix): Add %< %> quotes.
10545 (registered_pragmas): New.
10546 (c_register_pragma_1): New.
10547 (c_register_pragma): Use it.
10548 (c_register_pragma_with_expansion): Likewise.
10549 (c_invoke_pragma_handler): New.
10550 (init_pragma): Use cpp_register_deferred_pragma directly for
10552 * c-pragma.h (enum pragma_kind): New.
10553 (pragma_handler): New.
10554 (c_invoke_pragma_handler): Declare.
10555 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10557 * c-common.h (c_common_pch_pragma): Update decl.
10558 * Makefile.in (c-parser.o): Update dependencies.
10559 (GTFILES): Add c-pragma.h.
10560 * c-parser.c (struct c_token): Add pragma_kind.
10561 (struct c_parser): Add in_pragma.
10562 (c_lex_one_token): Always initialize keyword and pragma_kind.
10563 Extract data for CPP_PRAGMA.
10564 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10565 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10566 Don't allow CPP_PRAGMA_EOL if in_pragma.
10567 (c_parser_consume_pragma): New.
10568 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10569 (c_parser_skip_to_end_of_parameter): Likewise.
10570 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10571 (c_parser_skip_to_pragma_eol): New.
10572 (c_parser_external_declaration): Handle CPP_PRAGMA.
10573 (c_parser_compound_statement_nostart): Likewise.
10574 (c_parser_statement_after_labels): Likewise.
10575 (c_parser_pragma): New.
10576 (pragma_lex): Likewise.
10577 (c_parser_pragma_pch_preprocess): New.
10578 (c_parser_new): Merge into ...
10579 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10581 2006-01-04 Jeff Law <law@redhat.com>
10584 * tree-cfg.c (bsi_replace): Remove the original statement
10585 from the EH throw statement table.
10587 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10589 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10590 make the prototype extern "C" and add throw ().
10593 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10594 and pos non-negative and pos + len <= 32.
10595 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10596 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10597 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10600 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10601 as well as sizes not multiple of component size.
10604 * function.c (instantiate_expr): New function.
10605 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10606 walk its DECL_VALUE_EXPR with instantiate_expr.
10608 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10609 DW_OP_deref{,_size} if address isn't going to be added.
10611 2006-01-04 Ben Elliston <bje@au.ibm.com>
10613 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10614 * config/fp-bit.c: Likewise.
10616 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10618 * dominance.c: Add comment about why we use DFS numbering
10621 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10622 Richard Henderson <rth@redhat.com>
10624 Merge from gomp-branch:
10625 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10626 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10628 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10630 PR rtl-optimization/25578
10631 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10632 pass a parameter to simplify_shift_const if changing ASHIFTRT
10635 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10637 * builtins.c (get_builtin_sync_mem): New function.
10638 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10639 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10640 Call get_builtin_sync_mem to generate mem rtx.
10642 2006-01-03 Richard Guenther <rguenther@suse.de>
10645 * stmt.c (add_case_node): Make sure to clear overflow flags
10648 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10650 Merge from gomp-branch.
10651 * config/sparc/sync.md: New file.
10652 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10653 UNSPECV_LDSTUB): New constants.
10654 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10655 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10656 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10659 2006-01-03 Roger Sayle <roger@eyesopen.com>
10661 * combine.c (reg_subword_p): New predicate to test whether the
10662 destination of a set refers to a subword/piece of a register.
10663 (try_combine): Generalize the code to merge the setting of a
10664 pseudo to a constant followed by a set of a subword of that
10665 register to a constant.
10667 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10669 * basic-block.h (control_flow_graph): Change the type of
10670 x_label_to_block_map to VEC(basic_block,gc) *.
10671 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10672 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10674 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10675 VEC(basic_block,heap) *.
10676 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10677 ssa_prop_fini): Adjust the uses of cfg_blocks.
10679 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10681 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10683 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10684 hashing trees instead of a pointer hash.
10685 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10686 compare for MEM_EXPR.
10688 PR rtl-optimization/25130
10689 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10690 when comparing MEMs for GCSE
10692 2006-01-03 Ben Elliston <bje@au.ibm.com>
10694 * targhooks.h (default_decimal_float_supported_p): Declare.
10695 * targhooks.c (default_decimal_float_supported_p): Define.
10696 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10697 `default_decimal_float_supported_p'.
10698 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10700 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10702 * combine.c (apply_distributive_law <SUBREG>): Check
10703 TRULY_NOOP_TRUNCATION.
10705 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10707 * dwarf2out.c (have_switched_text_section): Delete.
10708 (have_multiple_function_sections): New.
10709 (have_location_lists): Make 'bool'.
10710 (add_AT_loc_list): Use 'true' not '1'.
10711 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10712 (output_loc_list): Use have_multiple_function_sections.
10713 (output_ranges): Likewise.
10714 (dwarf2out_begin_function): Set have_multiple_function_sections if
10716 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10717 Check function_section rather than DECL_SECTION_NAME.
10718 (dwarf2out_finish): Use have_multiple_function_sections.
10719 Don't clear have_location_lists.
10721 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10722 Jan Hubicka <jh@suse.cz>
10724 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10725 case of conditional jump jumping to the next instruction.
10726 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10727 cases of conditional jump jumping to the next instruction.
10729 2006-01-02 Jan Hubicka <jh@suse.cz>
10731 * i386.c (*_cost): Add COSTS_N_INSNS.
10732 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10734 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10737 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10739 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10741 * config/arm/arm.c (all_fpus): Fix comment typo.
10742 * config/darwin.c: Likewise.
10743 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10744 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10745 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10747 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10749 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10750 (rs6000_split_compare_and_swapqhi): New.
10751 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10752 (sync_compare_and_swapqhi_internal): New.
10753 * config/rs6000/rs6000-protos.h: Declare.