1 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6 2006-05-09 Michael Matz <matz@suse.de>
8 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9 host_extra_gcc_objs and host_xmake_file.
10 (<*-*-linux*>): Don't overwrite host_xmake_file.
11 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
13 (host_detect_local_cpu): Declare.
14 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
15 * config/i386/i386.c (override_options): Handle -mtune=native
17 * config/i386/x-i386: New file.
18 * config/i386/driver-i386.c: New file.
19 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
22 2006-05-09 Dirk Mueller <dmueller@suse.de>
23 Richard Guenther <rguenther@suse.de>
26 * fold-const.c (fold_read_from_constant_string): Relax check
27 for matching types to matching modes.
29 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
31 PR rtl-optimization/27335
32 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
35 2006-05-08 Chao-ying Fu <fu@mips.com>
36 Richard Sandiford <richard@codesourcery.com>
38 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
39 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
40 * config/mips/mips.md (UNSPEC_SCC): New constant.
41 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
42 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
43 (mips_emit_compare): Use it.
44 (mips_expand_vcondv2sf): New function.
46 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
48 Fix PR tree-optimization/27093
49 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
50 renaming when they become not-used_alone.
52 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
54 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
55 relocation and relocation stubs.
57 2006-05-08 Eric Christopher <echristo@apple.com>
59 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
62 2006-05-08 Jan Hubicka <jh@suse.cz>
65 * cgraphunit.c (decide_is_function_needed): When not optimizing even
66 unused static functions are needed.
68 2006-05-08 Roger Sayle <roger@eyesopen.com>
71 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
72 of a reg_equiv_constant if the result is a legitimate constant.
74 2006-05-08 Uros Bizjak <uros@kss-loka.si>
77 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
78 standard 80387 constants, raise the cost to prevent
79 compress_float_constant() to generate load from memory.
81 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
83 * config/arm/constraints.md (c): Fix a typo.
85 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
88 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
91 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
93 (_mm_mwait): Likewise.
95 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
97 (sse3_monitor): Make it 32bit only.
98 (sse3_monitor64): New. 64bit monitor.
100 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
103 * config/i386/i386.c (classify_argument): Skip fields with invalid
106 2006-05-07 Richard Guenther <rguenther@suse.de>
108 PR tree-optimization/27409
109 * tree-ssa-structalias.c (get_constraint_for_component_ref):
110 Do not try to find zero-sized subvars.
112 2006-05-07 Richard Guenther <rguenther@suse.de>
114 PR tree-optimization/27136
115 * tree-ssa-loop-niter.c (get_val_for): Correct function
116 comment, assert requirements.
117 (loop_niter_by_eval): Stop processing if the iterated
118 value did not simplify.
120 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
122 * opts.c (flag_see): remove its setting at -O3.
124 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
126 * genpeep.c (main): Make insn-peep.c depend on flags.h.
127 * arm/constraints.md: New file.
128 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
129 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
130 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
131 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
132 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
133 (EXTRA_MEMORY_CONSTRAINT): Likewise.
134 * arm.md: Include constraints.md.
135 (thumb_movsi_insn): Use satisfies_constraint_J.
136 (movhi, movqi): Use satisfies_constraint_I.
138 2006-04-29 Anatoly Sokolov <aesok@post.ru>
140 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
141 for atmeg a645 device.
143 2006-05-06 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/27151
146 * tree-vect-transform.c (vectorizable_condition): Punt on
147 values that have a different type than the condition.
149 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
152 * c-parser.c (c_parser_cast_expression): Only insert casts into
153 hash table if pointer.
154 * function.c (used_types_insert_helper): Rename from
156 (used_types_insert): Call used_types_insert_helper.
157 * function.h (used_types_insert): Accept only one argument.
159 2006-05-05 David Edelsohn <edesohn@gnu.org>
161 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
162 scratch with output modifier.
164 2006-05-04 David Edelsohn <edelsohn@gnu.org>
167 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
168 with output modifier.
170 2006-05-04 Richard Sandiford <richard@codesourcery.com>
173 * config/mips/mips.c (mips_symbolic_address_p): Return true
174 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
175 SYMBOL_GOTTPREL, and SYMBOL_TLS.
177 2006-05-04 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/14287
180 PR tree-optimization/14844
181 PR tree-optimization/19792
182 PR tree-optimization/21608
183 PR tree-optimization/27090
184 * tree-ssa-pre.c (try_combine_conversion): New function.
185 (compute_avail): After constructing the value-handle
186 expression, use try_combine_conversion to combine NOP_EXPRs
187 with previous value-handle expressions and use the result if it
190 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
192 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
194 2006-05-04 Jan Hubicka <jh@suse.cz>
197 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
199 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
201 * config/bfin/predicates.md (const01_rtx): Tell generator programs
202 that this only matches CONST_INTs. All users changed to VOIDmode
205 * config/bfin/bfin.c: Include "optabs.h".
206 (bfin_rtx_costs): Some costs for vector operations, to allow combine
208 (enum bfin_builtins): Add a number of fractional and vector builtins.
209 (bfin_init_builtins): Likewise.
210 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
211 (safe_vector_operand, bfin_expand_binop_builtin,
212 bfin_expand_unop_builtin): New functions.
213 (bfin_expand_builtin): Handle the new builtins.
214 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
217 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
220 * Makefile.in (OBJS-common): Add see.o.
221 (see.o): Add dependencies.
222 * common.opt (fsee): New flag for the see optimization was added.
223 * opts.c (flag_see): Initialized.
224 * passes.c (init_optimization_passes, pass_see): New pass.
225 * rtl.h (see_main): Declaration as extern.
226 * timevar.def (TV_SEE): New.
227 * tree-pass.h (pass_see): Declaration as extern.
228 * invoke.texi (-fsee): Document.
229 * recog.c (validate_simplify_insn): New function.
230 * recog.h (validate_simplify_insn): Declaration as extern.
231 * df-problems.c (df_chain_dump): Check for NULL.
233 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
234 Daniel Berlin <dberlin@dberlin.org>
236 * cfgrtl.c (insert_insn_bb_end_new): New function.
237 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
239 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
241 * df.h (struct web_entry): Moved from web.c.
242 (union_defs): Declaration as extern.
243 (unionfind_root): Likewise.
244 (unionfind_union): Likewise.
245 * web.c (struct web_entry): Moved to df.h.
246 (unionfind_root): Remove static declaration.
247 (unionfind_union): Likewise.
248 (union_defs): Likewise and generalize to use callback function.
249 (web_main): Update arguments for union_defs function call.
251 2006-05-04 Richard Guenther <rguenther@suse.de>
253 PR tree-optimization/26447
254 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
255 produce SSA_NAME copies before the store stmt to avoid
256 breaking exception handling.
258 2006-05-04 Jakub Jelinek <jakub@redhat.com>
261 * gimplify.c (omp_is_private): If var is shared in some outer context,
262 return false instead of true. Stop searching on parallel context
265 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
268 * coverage.c: Use get_gcov_unsigned_t() instead of
269 unsigned_type_node all over.
271 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
273 PR tree-optimization/27381
274 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
275 maintain the same immediate_use links.
276 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
277 node rather than segfaulting.
279 2006-05-03 Jakub Jelinek <jakub@redhat.com>
282 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
283 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
284 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
286 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
288 Fix PR tree-optimization/26626
289 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
291 * tree-ssa-operands.c (access_can_touch_variable): Allow
292 typecasting through union pointers.
294 2006-05-02 Jakub Jelinek <jakub@redhat.com>
297 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
298 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
299 to find if var will be a global variable even in the nested context.
300 (omp_copy_decl): Only check for global variable at the end, it might
301 be overridden in outer contexts.
302 (scan_sharing_clauses): For global variables don't create a field.
303 (lower_rec_input_clauses): Do nothing for global shared variables.
304 Emit a barrier at the end of ILIST if there were any decls in both
305 firstprivate and lastprivate clauses.
306 (lower_send_clauses): Do nothing for global variables except for
309 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
311 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
312 of the correct signedness is returned.
314 2006-05-02 Jeff Law <law@redhat.com>
316 PR tree-optimization/27364
317 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
318 multiply expressions.
320 2006-05-02 Tom Tromey <tromey@redhat.com>
322 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
324 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
327 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
328 -mthumb -fPIC are used.
330 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
331 Joshua Kinard <kumba@gentoo.org>
334 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
335 with 64-bit pointers.
337 2006-05-02 Paul Brook <paul@codesourcery.com>
339 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
341 (create_fix_barrier): Check that a suitable barrier location is
343 (arm_reorg): Include ftmp->address in allowable range of addresses.
345 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
348 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
351 2006-05-02 Jakub Jelinek <jakub@redhat.com>
354 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
355 around RESULT_DECL for result passed by reference.
356 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
357 * omp-low.c (use_pointer_for_field): Don't look at
358 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
359 (scan_omp_1): Call remap_decl on RESULT_DECLs.
360 (lower_rec_input_clauses): Don't allocate VLA memory for the second
361 time or var for passing by reference for
362 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
363 TREE_ADDRESSABLE variables when passing by reference.
365 * omp-low.c (dump_omp_region): Fix output formatting.
368 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
369 (expand_omp_parallel): Likewise.
370 * tree-cfg.c (move_sese_region_to_fn): Likewise.
373 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
374 on statement list containing also constructors and destructors.
375 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
378 * except.c (duplicate_eh_regions): Fix clearing of
379 cfun->eh->region_array entries.
381 2006-05-01 DJ Delorie <dj@redhat.com>
383 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
385 (gcc_cv_objdump): Likewise.
386 * configure: Regenerated.
388 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
391 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
392 templates for case 3 and 4.
394 2006-05-01 DJ Delorie <dj@redhat.com>
396 * vec.c: Include bconfig.h when appropriate.
397 * Makefile.in (build/vec.o): Adjust dependencies.
398 * mkconfig.sh: Make sure config.h isn't used for build machine
401 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
403 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
405 (mark_phi_for_rewrite): New function.
406 (insert_phi_nodes_for, mark_use_interesting): Call
407 mark_phi_for_rewrite.
408 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
409 (update_ssa): Initialize and free phis_to_rewrite.
411 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
413 PR rtl-optimization/27291
414 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
415 folded to a constant.
417 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
419 PR tree-optimization/27283
420 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
421 not whole # of iteration descriptions.
422 (niter_for_exit): Return just # of iterations. Fail if # of iterations
423 uses abnormal ssa name.
424 (niter_for_single_dom_exit): Ditto.
425 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
426 return just the number of iterations.
428 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
430 PR tree-optimization/27144
431 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
432 (record_estimate): Only record constant upper bound.
433 (infer_loop_bounds_from_undefined): Call
434 compute_estimated_nb_iterations just once.
435 (proved_non_wrapping_p): Renamed to ...
436 (n_of_executions_at_most): ... this. Expect bound to be a constant.
437 (convert_step_widening, scev_probably_wraps_p): Call
438 n_of_executions_at_most instead of proved_non_wrapping_p.
439 (substitute_in_loop_info): Do not replace values in bounds.
440 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
443 2006-05-01 Richard Henderson <rth@redhat.com>
446 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
447 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
450 2006-05-01 Roger Sayle <roger@eyesopen.com>
452 * c-typeck.c (parser_build_binary_op): Don't call the function
453 unsigned_conversion_warning to spot operand/result type overflow.
454 (build_binary_op): Instead, call convert_and_check instead of
455 convert to report the problem when the operands are promoted.
456 * c-common.c (unsigned_conversion_warning): Make static.
457 * c-common.h (unsigned_conversion_warning): Delete prototype.
459 2006-05-01 Richard Guenther <rguenther@suse.de>
461 PR tree-optimization/26726
462 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
464 (find_interesting_uses_address): ... we work around here
465 by folding INDIRECT_REFs in the substituted base.
467 2006-05-01 Diego Novillo <dnovillo@redhat.com>
469 * omp-low.c (dump_omp_region): Add newlines.
471 2006-04-30 Roger Sayle <roger@eyesopen.com>
473 * common.opt (Woverflow): New command line option.
474 * c-common.c (constant_expression_warning): Check warn_overflow.
475 (overflow_waring): Pass OPT_Woverflow to warning.
476 (unsigned_conversion_warning): Likewise.
477 (convert_and_check): Likewise.
478 * doc/invoke.texi: Document new command line option.
480 2006-04-30 David Edelsohn <edelsohn@gnu.org>
482 * config/rs6000/rs6000.c (rs6000_override_options): Enable
483 TARGET_NO_FP_IN_TOC for section anchors.
484 (optimization_options): Enable section anchors for all
485 non-"Objective" languages.
487 2006-04-28 Eric Christopher <echristo@apple.com>
489 * config/darwin-c.c (darwin_ms_struct): Move this
490 (darwin_set_default_type_attributes): and this...
491 * config/darwin.c: ... here.
492 * config/darwin.h (darwin_ms_struct): Declare.
494 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
496 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
498 2006-04-28 Roger Sayle <roger@eyesopen.com>
501 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
502 (push_array_bounds): Delete prototype. Change BOUNDS argument to
503 an unsigned HOST_WIDE_INT.
504 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
506 (really_start_incremental_init): No need to call convert because
507 bitsize_zero_node is already of type bitsizetype.
508 (push_init_level): Extract the value of constructor_index as an
509 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
510 (process_init_element): Likewise.
512 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
514 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
515 value before passing to make_relative_prefix.
517 2006-04-28 Alan Modra <amodra@bigpond.net.au>
520 * builtins.c (expand_builtin_memset): Expand val in original mode.
522 2006-04-27 Eric Christopher <echristo@apple.com>
524 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
526 * config/darwin-c.c (darwin_ms_struct): New.
527 (darwin_pragma_ms_struct): Ditto.
528 (darwin_set_default_type_attributes): Ditto.
529 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
530 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
531 Register ms_struct pragma.
532 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
533 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
534 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
535 darwin_set_default_type_attributes if TARGET_MACHO.
537 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
539 PR tree-optimization/26854
540 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
541 * doc/tree-ssa.texi: Update immuse iterator documentation.
542 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
543 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
544 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
545 first_safe_imm_use, next_safe_imm_use): Remove.
546 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
547 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
548 (move_use_after_head): New. Helper function to sort immuses in a stmt.
549 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
550 (first_imm_use_stmt): New. Get first stmt in an immuse list.
551 (next_imm_use_stmt): New. Get next stmt in an immuse list.
552 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
553 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
554 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
555 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
556 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
557 (perfect_nestify): Use new iterator.
558 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
560 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
561 (next_imm_name): New field in struct immediate_use_iterator_d.
562 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
563 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
564 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
565 * tree-cfg.c (replace_uses_by): Use new iterator.
566 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
567 * tree-ssa-operands.c (correct_use_link): Remove.
568 (finalize_ssa_use_ops): No longer call correct_use_link.
570 2006-04-27 Stuart Hastings <stuart@apple.com>
572 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
573 * config/t-darwin (crt3.o): Use it.
574 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
575 'pmode', use Pmode instead of SImode for SYMBOL_REF.
576 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
577 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
578 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
581 2006-04-27 Roger Sayle <roger@eyesopen.com>
583 * expmed.c (store_fixed_bit_field): If we're not optimizing for
584 size, force the intermediate into a new pseudo rather instead of
585 performing both a bitwise AND and a bitwise IOR in memory.
587 2006-04-27 Richard Guenther <rguenther@suse.de>
589 PR rtl-optimization/26685
590 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
591 this one "max-flow-memory-locations".
593 2006-04-27 Richard Guenther <rguenther@suse.de>
595 PR tree-optimization/25148
596 * tree-vrp.c (compare_values): Remove code dealing with
597 comparisons against type min/max value. Honour overflow
598 and negative constants in code dealing with comparisons
599 of plus and minus expressions.
600 (value_inside_range): Use fold_binary with LE_EXPR and
601 GE_EXPR rather than compare_values.
603 2006-04-27 Dirk Mueller <dmueller@suse.de>
605 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
608 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
610 * basic-block.h (safe_insert_insn_on_edge): Removed.
611 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
613 2006-04-26 David Edelsohn <edelsohn@gnu.org>
614 Paolo Bonzini <bonzini@gnu.org>
617 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
618 (simplify_and_const_int): Same.
620 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
622 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
624 2006-04-26 Jakub Jelinek <jakub@redhat.com>
627 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
628 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
629 cgraph_global_info_ready.
632 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
635 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
636 either decl or init is error_mark_node.
639 * tree-flow.h (struct omp_region): Add sched_kind.
640 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
641 instead of extracting omp for data.
642 (expand_omp_for): Save extracted sched_kind.
644 2006-04-25 Roger Sayle <roger@eyesopen.com>
646 * expmed.c (store_bit_field): Also check whether the bitsize is
647 valid for the machine's "insv" instruction before moving the
648 target into a pseudo for use with the insv.
649 * config/i386/predicates.md (const8_operand): New predicate.
650 * config/i386/i386.md (extv, extzv, insv): Use the new
651 const8_operand predicate where appropriate.
653 2006-04-25 DJ Delorie <dj@redhat.com>
655 * doc/install.texi (Specific): Clarify that this is not a list of
656 supported hosts or targets.
658 2006-04-25 Richard Sandiford <richard@codesourcery.com>
660 PR rtl-optimization/26725
661 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
662 block's BB_DIRTY flag.
664 2006-04-25 Geoffrey Keating <geoffk@apple.com>
666 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
669 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
672 2006-04-25 David Edelsohn <edelsohn@gnu.org>
674 * varasm.c (align_variable): New function.
675 (get_block_for_decl): Apply align_variable to DECL before
676 calculating section information.
677 (assemble_variable): Split out alignment computation.
679 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
681 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
684 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
686 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
687 MODE_PARTIAL_INT mode.
688 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
689 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
691 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
692 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
694 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
696 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
698 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
699 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
700 MACFLAG_IH): Likewise.
701 (movstricthi_1): Renamed from "*movstricthi".
702 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
703 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
704 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
705 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
706 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
707 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
708 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
709 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
710 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
711 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
712 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
713 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
714 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
715 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
716 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
718 * doc/rtl.texi (ss_ashift): Improve wording.
720 2006-04-24 Geoffrey Keating <geoffk@apple.com>
722 * dwarf2out.c (verify_marks_clear): New.
723 (prune_unused_types): Call verify_marks_clear initially, not
726 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
728 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
729 * doc/rtl.texi: Document them.
730 * simplify-rtx.c (simplify_unary_operation,
731 simplify_binary_operation_1): Don't abort when we see them.
733 2006-04-24 Mark Mitchell <mark@codesourcery.com>
736 2006-04-23 Mark Mitchell <mark@codesourcery.com>
737 * configure.ac: Completely disregard languages that are not
739 * configure: Regenerated.
741 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
742 Richard Guenther <rguenther@suse.de>
744 PR tree-optimization/27236
745 * tree-inline.c (copy_body_r): Make sure to copy
746 TREE_THIS_VOLATILE flag.
748 2006-04-24 Richard Guenther <rguenther@suse.de>
751 * tree-complex.c (update_parameter_components): Don't handle
752 unused parameters which have no default def.
754 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
755 Richard Guenther <rguenther@suse.de>
757 PR tree-optimization/27218
758 * tree-inline.c (expand_call_inline): Strip useless type
759 conversions for the return slot address.
761 2006-04-24 Richard Guenther <rguenther@suse.de>
763 * cfgloop.h (struct loops): Remove unused field array. Reorder
765 (LOOP_PREFETCH): Remove.
767 2006-04-24 Richard Guenther <rguenther@suse.de>
769 PR tree-optimization/22525
770 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
771 variable, adjust types of generated expressions.
773 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
775 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
776 (tree-vect-patterns.o): Likewise.
778 (cselib.o): Likewise.
779 (loop-doloop.o): Likewise.
780 (regclass.o): Likewise.
781 (reload1.o): Likewise.
782 (explow.o): Replace target.h with $(TARGET_H).
783 (ipa-prop.o): Likewise.
784 (ipa-cp.o): Likewise.
785 (ipa-inline.o): Likewise.
787 (reg-stack.o): Likewise.
789 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
791 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
793 2006-04-23 Mark Mitchell <mark@codesourcery.com>
795 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
797 * configure.ac: Completely disregard languages that are not
799 * configure: Regenerated.
802 * c-common.h (c_build_bitfield_integer_type): Declare.
803 * c-decl.c (c_build_bitfield_integer_type): Move to ...
804 * c-common.c (c_build_bitfield_integer_type): ... here.
806 2006-04-23 Roger Sayle <roger@eyesopen.com>
809 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
810 a SImode SUBREG of a floating point register after no_new_pseudos.
812 2006-04-23 Roger Sayle <roger@eyesopen.com>
814 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
815 identify potentially eliminable registers to additionally catch
816 VIRTUAL_INCOMING_ARGS_REGNUM.
817 (addsi3): Update the conditions on when to use addsi_small_int.
819 2006-04-23 Roger Sayle <roger@eyesopen.com>
822 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
823 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
824 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
826 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
828 * fold-const.c (range_predecessor): Use operand_equal_p
829 as the predicate for equality.
830 (range_successor): Likewise.
832 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
835 * config/soft-fp/op-common.h: Fix a typo.
837 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
840 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
841 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
843 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
845 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
847 * doc/tm.texi: Fix a typo.
849 2006-04-21 Geoffrey Keating <geoffk@apple.com>
851 * dwarf2out.c (struct die_struct): Document that die_sib makes
852 a circular linked list.
853 (FOR_EACH_CHILD): New.
854 (reverse_die_lists): Delete.
855 (reverse_all_dies): Delete.
856 (add_dwarf_attr): Correct documentation.
857 (remove_child_with_prev): New.
858 (remove_child_TAG): Update for change to die_struct, use
859 remove_child_with_prev.
860 (add_child_die): Update for change to die_struct.
861 (splice_child_die): Use remove_child_with_prev and add_child_die.
862 (print_die): Use FOR_EACH_CHILD.
863 (die_checksum): Likewise.
864 (assign_symbol_names): Likewise.
865 (output_location_lists): Likewise.
866 (build_abbrev_table): Likewise.
867 (calc_die_sizes): Likewise.
868 (mark_dies): Likewise.
869 (unmark_dies): Likewise.
870 (unmark_all_dies): Likewise.
871 (output_die): Likewise.
872 (prune_unused_types_mark): Likewise.
873 (prune_unused_types_walk): Likewise.
874 (same_die_p): Update for change to die_struct.
875 (break_out_includes): Likewise.
876 (prune_unused_types_prune): Likewise.
877 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
878 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
880 (dwarf2out_finish): Don't call reverse_all_dies.
882 2006-04-21 Eric Christopher <echristo@apple.com>
884 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
885 in comments and function names.
887 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
890 * c-typeck.c (digest_init): Robustify.
892 * c-typeck.c (pop_init_level): Simplify.
894 2006-04-21 Steve Ellcey <sje@cup.hp.com>
896 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
898 2006-04-21 Paul Brook <paul@codesourcery.com>
900 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
901 hardware floating point.
903 2006-04-21 David Edelsohn <edelsohn@gnu.org>
905 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
908 2006-04-21 Nick Clifton <nickc@redhat.com>
910 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
913 2006-04-21 Alan Modra <amodra@bigpond.net.au>
916 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
917 C++ lang type in traceback table for Objective-C++.
919 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
921 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
923 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
925 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
928 * tree-mudflap.c (mudflap_finish_file): Skip function when there
929 were errors. Remove check for erroneous objects.
931 2006-04-20 Jeff Law <law@redhat.com>
933 PR tree-optimization/26854
934 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
935 checking for zero or one use.
936 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
937 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
938 * tree-ssa-reassoc.c (negate_value): Similarly.
939 (reassociate_bb): Similarly.
941 2006-04-20 Jakub Jelinek <jakub@redhat.com>
943 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
944 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
945 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
947 2006-04-20 Alan Modra <amodra@bigpond.net.au>
949 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
950 fp regs if the last fp arg doesn't fit in regs.
952 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
955 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
956 that the last insn has the REG_INC note.
958 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
959 Nathan Sidwell <nathan@codesourcery.com>
962 * stor-layout.c (update_alignment_for_field): Do not align
964 (place_union_field): Place union field at the start of the union.
965 (place_field): Move ERROR_MARK check later, and use the current
966 allocation position to maintain monotonicity.
968 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
970 * dominance.c: Include timevar.h.
971 (calculate_dominance_info): Use TV_DOMINANCE.
972 * timevar.def (TV_DOMINANCE): New timevar.
973 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
975 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
977 PR rtl-optimization/14261
978 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
979 move would be an INSV insn.
980 (noce_process_if_block): Don't optimize if the destination is a
981 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
983 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
985 * config/s390/s390.md: Add comments with the instructions emitted
986 by an insn pattern if macros are used.
988 2006-04-19 Alan Modra <amodra@bigpond.net.au>
990 PR rtl-optimization/26026
991 * fold-const.c (fold_binary): Optimize div and mod where the divisor
992 is a known power of two shifted left a variable amount.
994 2006-04-18 Geoffrey Keating <geoffk@apple.com>
996 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
997 to hash table twice when the debug_str section has SECTION_MERGE.
999 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1001 * config/soft-fp: New directory. From glibc.
1002 * config/soft-fp/t-softfp: New.
1003 * config/soft-fp/README: New.
1004 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1005 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1006 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1007 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1008 * config.gcc: Use rs6000/t-fprules-fpbit or
1009 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1011 * config/rs6000/sfp-machine.h: New. Based on glibc.
1012 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1014 * config/rs6000/t-fprules: Remove fp-bit rules.
1015 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1016 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1017 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1018 (softfp_wrap_start, softfp_wrap_end): New.
1020 2006-04-18 DJ Delorie <dj@redhat.com>
1022 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1024 2006-04-18 Devang Patel <dpatel@apple.com>
1026 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1028 2006-04-18 Nick Clifton <nickc@redhat.com>
1030 * config/sh/t-symbian: Add rule to build sh-c.o
1031 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1032 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1033 (sh_symbian_encode_section_info): Likewise.
1035 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1037 * builtins.c (expand_builtin_strcmp): Cover label definition of
1038 do_libcall with HAVE_cmpstrnsi.
1040 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1042 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1044 * function.h (temp_slot_p): New.
1045 (function): Change the type of x_used_temp_slots to
1046 VEC(temp_slot_p,gc) *.
1048 2006-04-18 Nick Clifton <nickc@redhat.com>
1050 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1051 flag_strength_reduce.
1053 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1055 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1059 Partial revert of revision 112637
1060 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1061 Dale Johannesen <dalej@apple.com>
1064 * regclass.c (struct reg_pref): Update documentation.
1065 (regclass): Set prefclass to NO_REGS if memory is the best option.
1066 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1068 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1070 PR tree-optimization/26821
1071 * tree-ssa-math-opts.c (get_constant_one): New.
1072 (insert_reciprocals): Use it.
1074 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1076 * dwarf2out.c (free_AT): Delete.
1077 (remove_AT): Update string ref counts.
1078 (remove_child_TAG): Don't call free_die.
1080 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1081 or DW_TAG_GNU_EINCL.
1082 (prune_unused_types_walk_attribs): Reset string refcounts.
1083 (prune_unused_types_update_strings): New.
1084 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1085 call free_die. Do call prune_unused_types_update_strings.
1086 (prune_unused_types): Empty debug_str_hash.
1088 2006-04-17 Roger Sayle <roger@eyesopen.com>
1090 * expr.c (expand_assignment): Optimize away no-op moves where the
1091 source and destination are equal and have no side-effects.
1093 2006-04-17 Richard Guenther <rguenther@suse.de>
1096 * reload.c (push_reload): Guard calls to get_secondary_mem
1099 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1101 * alias.c (reg_base_value, old_reg_base_value): Change the
1102 type to VEC(rtx,gc) *.
1103 (REG_BASE_VALUE, find_base_value, record_set,
1104 init_alias_analysis): Use VEC instead of VARRAY.
1106 * alias.c (alias_sets): Change the type to
1107 VEC(alias_set_entry,gc) *.
1108 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1109 VEC instead of VARRAY.
1110 (last_alias_set): Remove.
1112 * cgraph.h (cgraph_edge_p): New.
1113 Update the prototype of cgraph_function_versioning.
1114 * cgraphunit.c (cgraph_copy_node_for_versioning,
1115 cgraph_function_versioning): Use VEC instead of VARRAY.
1116 * ipa-cp.c (ipcp_insert_stage): Likewise.
1118 2006-04-16 Roger Sayle <roger@eyesopen.com>
1121 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1122 "A op B" or "A op C", we may need to convert A to the type of B and C.
1124 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1126 * target.h (struct gcc_target): Add mode_rep_extended.
1127 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1128 (init_num_sign_bit_copies_in_rep): Initialize it using
1130 (truncate_to_mode): Use it.
1131 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1132 * targhooks.h (default_mode_rep_extended): Declare it.
1133 * targhooks.c (default_mode_rep_extended): Define it.
1134 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1135 default_mode_rep_extended.
1136 (TARGET_INITIALIZER): Include it.
1137 * doc/tm.texi (Misc): Document it.
1138 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1139 (mips_truncated_to_mode): New function.
1141 2006-04-16 Roger Sayle <roger@eyesopen.com>
1144 * expr.c (compress_float_constant): Copy the narrow constant into
1145 a new pseudo before extending it to its final width.
1147 2006-04-16 Roger Sayle <roger@eyesopen.com>
1148 Andrew Pinski <pinskia@gcc.gnu.org>
1149 Dale Johannesen <dalej@apple.com>
1152 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1153 special case code to implement V8HImode and V16QImode with SSE2.
1155 2006-04-15 Roger Sayle <roger@eyesopen.com>
1157 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1158 trees are constructed with a suitable tree type.
1160 2006-04-15 Roger Sayle <roger@eyesopen.com>
1162 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1163 (integer_onep): Likewise.
1164 (integer_all_onesp): Likewise.
1165 (integer_pow2p): Likewise.
1166 (integer_nonzerop): Likewise.
1167 (real_zerop): Likewise.
1168 (real_onep): Likewise.
1169 (real_twop): Likewise.
1170 (real_minus_onep): Likewise.
1171 (int_size_in_bytes): Likewise.
1172 (host_integerp): Likewise.
1174 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1176 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1177 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1178 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1180 * tree-ssa-structalias.h (alias_info): Remove num_references.
1182 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1184 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1185 (output_bvb patterns): Likewise.
1186 * pa.c (output_bb): Use 'bb' insn for long branch case.
1187 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1188 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1189 1. Correct length operand for alternatives 1 and 2.
1190 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1191 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1193 2006-04-14 Roger Sayle <roger@eyesopen.com>
1195 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1196 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1197 were accidentally reverted by r112959.
1199 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1202 * except.h (eh_region_outermost): New prototype.
1203 * except.c (eh_region_outermost): New function.
1204 * tree-cfg.c (find_outermost_region_in_block): Use it.
1206 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1208 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1210 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1211 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1212 (init_reload, reload): Use VEC instead of VARRAY.
1213 * reload.h: Update the prototype for
1214 reg_equiv_memory_loc_varray.
1216 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1217 Eric Botcazou <ebotcazou@libertysurf.fr>
1219 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1222 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1225 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1226 to expand fallback builtin function call.
1228 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1231 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1232 and emit libcall here in case the builtin fails.
1233 (expand_builtin_strcmp): Always emit the libcall here on failure.
1235 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1237 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1238 * flow.c (reg_n_info): Change the type to
1239 VEC(reg_info_p,heap) *.
1240 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1242 * regs.h (reg_info_p): New.
1243 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1244 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1245 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1248 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1250 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1252 * params.h (MAX_SCHED_READY_INSNS): New macro.
1253 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1254 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1255 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1256 the ready list for 1 cycle during the first scheduling pass.
1257 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1259 2006-04-13 Richard Henderson <rth@redhat.com>
1262 * gimple-low.c (lower_omp_directive): Remove dead code.
1263 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1264 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1265 * omp-low.c (struct omp_region): Move to tree-flow.h.
1266 (root_omp_region): Export.
1267 (omp_regions, lookup_omp_region): Remove.
1268 (determine_parallel_type): Update for struct omp_region changes.
1269 (dump_omp_region): Dump regions with block numbers.
1270 (new_omp_region): Take type and block instead of stmt; malloc
1272 (free_omp_region_1, free_omp_regions): New.
1273 (expand_parallel_call): Take entry_stmt as argument; update for
1274 changes to omp_region.
1275 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1276 (remove_exit_barriers): New.
1277 (expand_omp_parallel): Update for struct omp_region changes.
1278 (expand_omp_synch): Likewise.
1279 (expand_omp): Likewise.
1280 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1281 (expand_omp_for_static_chunk): Likewise.
1282 (expand_omp_for): Likewise.
1283 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1284 (expand_omp_sections): Similarly, with GOMP_sections_end.
1285 (expand_omp_single): New.
1286 (build_omp_regions_1): Update for OMP_CONTINUE.
1287 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1288 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1289 OMP_SECTIONS_SECTIONS.
1290 (lower_omp_single_simple): Don't emit barrier here.
1291 (lower_omp_single_copy): Likewise.
1292 (lower_omp_single): Fix bindings, and lower to straightline now.
1293 (lower_omp_master, lower_omp_ordered): Likewise.
1294 (lower_omp_critical): Likewise.
1295 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1296 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1297 omp edges, free it afterward.
1298 (make_omp_sections_edges): Remove.
1299 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1300 (move_stmt_r): Handle OMP_CONTINUE.
1301 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1302 statement pointers to basic blocks. Add type member.
1303 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1304 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1305 * tree-inline.c (estimate_num_insns_1): Likewise.
1306 * tree-pretty-print.c (dump_generic_node): Likewise.
1307 * tree-ssa-operands.c (get_expr_operands): Likewise.
1308 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1309 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1310 (OMP_CONTINUE): New.
1311 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1312 (OMP_SECTIONS_SECTIONS): Remove.
1313 (OMP_SECTION_LAST): New.
1314 (OMP_RETURN_NOWAIT): New.
1316 2006-04-13 Roger Sayle <roger@eyesopen.com>
1318 * fold-const.c (native_encode_vector, native_interpret_real):
1319 Correct obvious mistakes in the previous check-in.
1321 2006-04-13 Roger Sayle <roger@eyesopen.com>
1323 * fold-const.c (native_encode_expr): New function to encode
1324 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1325 or VECTOR_CST into a specified buffer.
1326 (native_encode_int): New function.
1327 (native_encode_real): New function.
1328 (native_encode_complex): New function.
1329 (native_encode_vector): New function.
1330 (native_interpret_expr): Inverse of native_encode_expr to convert
1331 a target representation into an INTEGER_CST, REAL_CST etc...
1332 (native_interpret_int): New function.
1333 (native_interpret_real): New function.
1334 (native_interpret_complex): New function.
1335 (native_interpret_vector): New function.
1336 (fold_view_convert_expr): New function to constant fold/evaluate
1337 a VIEW_CONVERT_EXPR of a suitable constant expression.
1338 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1339 Change call of build1 to fold_build1 when constructing a
1342 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1343 Ulrich Weigand <uweigand@de.ibm.com>
1346 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1349 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1352 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1353 optimize to lo_sum for DFmode if !TARGET_FPRS.
1355 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1357 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1358 delete_alias_info, compute_flow_sensitive_aliasing,
1359 group_aliases): Use VEC instead of VARRAY.
1360 * tree-ssa-structalias.c (update_alias_info): Likewise.
1361 * tree-ssa-structalias.h (alias_info): Change the type of
1362 processed_ptrs to VEC(tree,heap) *.
1364 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1367 * config/sh/lib1funcs.h: New file, broken out of:
1368 * config/sh/lib1funcs.asm.
1369 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1371 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1372 * config/sh/lib1funcs-Os-4-200.asm: New file.
1373 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1374 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1375 (EXTRA_MULTILIB_PARTS): Include it.
1376 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1377 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1378 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1379 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1382 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1384 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1385 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1386 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1388 * tree-ssa-live.h: Include vecprim.h.
1389 (tree_partition_associator_d): Change the type of
1390 first_partition to VEC(int,heap) *.
1391 (tpa_first_partition): Use VEC instead of VARRAY.
1393 * Makefile.in (GTFILES): Move functions.h after tree.h.
1394 * function.c (reset_block_changes, record_block_change,
1395 check_block_change, free_block_changes): Use VEC instead of
1397 * function.h (function): Change the type of
1398 ib_boundaries_block to VEC(tree,gc) *.
1399 * tree-inline.c (copy_cfg_body): Initialize
1400 ib_boundaries_block to NULL instead of (varray_type) 0.
1402 2006-04-12 Roger Sayle <roger@eyesopen.com>
1404 * expr.c (emit_group_store): Correct operand order in call to
1405 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1406 a SUBREG_BYTE of zero.
1408 2006-04-12 Richard Guenther <rguenther@suse.de>
1410 * profile.c (compute_branch_probabilities): Remove code
1411 encapsulated in !ir_type (), which are remanents of the
1412 removed RTL profiling code.
1413 * rtl-profile.c: Remove.
1415 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1417 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1418 magic NULL_RTX comment.
1419 (function_arg): Store entire fp arg to mem if any part should go
1421 (rs6000_arg_partial_bytes): Adjust for above change.
1423 2006-04-11 Roger Sayle <roger@eyesopen.com>
1425 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1426 if it hasn't been initialized by dwarf2out_init.
1428 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1430 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1431 symbolic constants in branch patterns.
1433 2006-04-11 Roger Sayle <roger@eyesopen.com>
1435 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1437 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1439 PR rtl-optimization/27073
1440 * gcse.c (try_replace_reg): Revert last change. Continue to search
1441 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1444 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1446 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1447 aggregate types other than record and union types.
1448 (function_arg): Likewise.
1449 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1451 (function_value): In 64-bit mode, return objects that require it
1454 2006-04-11 Roger Sayle <roger@eyesopen.com>
1456 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1458 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1460 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1462 2006-04-03 Jeff Law <law@redhat.com>
1465 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1466 alias information too.
1468 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1470 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1472 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1475 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1476 (premark_used_types_helper): New.
1477 (premark_used_types): New.
1478 (gen_subprogram_die): Call premark_used_types.
1479 (prune_unused_types_walk): Do not prune perennial dies.
1480 * function.c (used_types_insert): New.
1481 * function.h (struct function): Add used_types_hash field.
1482 (used_types_insert): Add prototype.
1483 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1484 * c-parser.c (c_parser_cast_expression): Save casted types in used
1487 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1490 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1491 rs6000_explicit_options.float_gprs.
1493 2006-04-10 Roger Sayle <roger@eyesopen.com>
1495 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1496 from ix86_expand_vector_init_low_nonzero. Take an additional
1497 one_var argument indicating which element is non-zero. Support
1498 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1499 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1500 with one_var instead of ix86_expand_vector_init_low_nonzero.
1502 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1504 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1505 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1506 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1507 build/genextract.o): Depend on vecprim.h.
1508 * cfglayout.c, df-problems.c, function.c, genextract.c,
1509 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1510 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1514 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1516 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1517 Declare VECs of this type.
1518 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1519 (remove_children): Delete.
1520 (add_dwarf_attr): Use VEC routines.
1521 (add_AT_flag): Update for changes to add_dwarf_attr.
1522 (add_AT_int): Likewise.
1523 (add_AT_unsigned): Likewise.
1524 (add_AT_long_long): Likewise.
1525 (add_AT_vec): Likewise.
1526 (add_AT_string): Likewise.
1527 (add_AT_die_ref): Likewise.
1528 (add_AT_fde_ref): Likewise.
1529 (add_AT_loc): Likewise.
1530 (add_AT_loc_list): Likewise.
1531 (add_AT_addr): Likewise.
1532 (add_AT_lbl_id): Likewise.
1533 (add_AT_lineptr): Likewise.
1534 (add_AT_macptr): Likewise.
1535 (add_AT_offset): Likewise.
1536 (add_AT_range_list): Likewise.
1537 (get_AT): Use VEC_iterate.
1538 (remove_AT): Use VEC_ordered_remove.
1539 (free_die): Fold remove_children into here; have it use VEC_iterate.
1540 (print_die): Use VEC_iterate on attrs.
1541 (reverse_die_lists): Don't reverse attr lists.
1542 (die_checksum): Use VEC_iterate on attrs.
1543 (same_die_p): Likewise.
1544 (output_location_lists): Likewise.
1545 (build_abbrev_table): Likewise.
1546 (size_of_die): Likewise.
1547 (unmark_all_dies): Likewise.
1548 (output_abbrev_section): Likewise.
1549 (output_die): Likewise.
1550 (prune_unused_types_walk_attribs): Likewise.
1552 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1554 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1556 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1559 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1561 2006-04-09 Roger Sayle <roger@eyesopen.com>
1563 * expr.c (store_constructor): Don't bother clearing target if
1564 we're about to assign a vector to it using vec_init_optab.
1566 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1568 * tree-ssa-alias.c (lhs_may_store_to): New function.
1569 (recalculate_used_alone): Handle LHS of calls.
1571 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1575 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1576 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1577 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1578 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1579 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1580 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1581 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1582 stubs. Add ".align 8" directives before all ".dword" directives.
1583 (GTHREAD_USE_WEAK): Revise comment.
1584 (TARGET_ATTRIBUTE_WEAK): Define.
1585 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1586 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1587 * stublib.c: New file.
1592 * pa.md (cbranch patterns): Revise arguments used in calls to
1593 output_cbranch, output_bb and output_bvd. Add long branch length
1595 (fbranch patterns): Handle long branches.
1596 (jump): Revise length check. Revise arguments for output_lbranch call.
1597 Add long branch length attributes.
1598 (decrement_and_branch_until_zero): Add long branch length attributes.
1599 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1600 Likewise. Revise arguments for output_parallel_addb and
1601 output_parallel_movb calls.
1602 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1603 output_parallel_movb and output_parallel_addb): Update prototypes.
1604 * pa.c (output_cbranch): Revise arguments. Correct handling of
1605 nullification in long branches.
1606 (output_lbranch): Add new argument to control extraction of delay
1608 (output_bb): Handle long branches.
1609 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1610 output_parallel_addb): Likewise.
1612 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1614 PR rtl-optimization/27073
1615 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1618 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1620 * tree.h (tree_memory_tag): Add old_used_alone.
1621 (SMT_OLD_USED_ALONE): New macro.
1622 * tree-ssa-alias.c (recalculate_used_alone): Stop
1623 marking things for renaming unnecessarily.
1625 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1627 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1628 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1629 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1630 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1631 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1632 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1633 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1634 spelling convensions.
1635 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1636 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1637 typos. Follow spelling conventions.
1639 2006-04-07 DJ Delorie <dj@redhat.com>
1641 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1642 passed on the stack.
1643 (m32c_init_cumulative_args): When a function returns a structure,
1644 always pass the pointer to that return area on the stack.
1645 (m32c_function_arg_advance): Don't increment the parameter number
1646 if we're processing the returned structure pointer.
1647 (pushm_info): Reverse order of registers.
1649 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1651 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1652 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1653 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1654 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1656 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1657 chrec_fold_multiply): Same.
1658 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1659 force_expr_to_var_cost): Same.
1660 * tree-mudflap.c (mf_xform_derefs_1): Same.
1661 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1663 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1665 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1666 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1669 2006-04-07 Jan Hubicka <jh@suse.cz>
1671 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1673 2006-04-07 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/26135
1676 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1677 loads for store copy-prop.
1678 (copy_prop_visit_stmt): Likewise.
1680 2006-04-05 Robert Millan <robertmh@gnu.org>
1682 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1683 being overriden in config/k*bsd-gnu.h.
1684 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1686 * gcc/config/knetbsd-gnu.h: Ditto.
1688 2006-04-06 Jan Hubicka <jh@suse.cz>
1692 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1695 2006-04-06 Mike Stump <mrs@apple.com>
1697 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1698 for HAVE_nonlocal_goto to be consistent.
1699 (expand_builtin_nonlocal_goto): Likewise.
1700 (expand_builtin_strcmp): Use #ifdef instead of #if
1701 for HAVE_cmpstrnsi to be consistent.
1703 2006-04-05 DJ Delorie <dj@redhat.com>
1705 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1708 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1710 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1711 got-relative addressing for anything but SImode.
1713 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1714 even if the calling function doesn't modify them.
1716 2006-04-05 Richard Guenther <rguenther@suse.de>
1718 PR tree-optimization/26919
1719 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1720 to cgraph_estimate_size_after_inlining.
1722 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1724 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1726 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1728 PR tree-optimization/26996
1729 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1730 VECTOR_TYPE variables.
1732 2006-04-05 Richard Guenther <rguenther@suse.de>
1734 PR tree-optimization/26763
1735 * fold-const.c (fold_comparison): Move folding of
1736 PTR + CST CMP PTR + CST ...
1737 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1739 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1741 * doc/install.texi (Prerequisites): Refine some wording on
1742 bootstrapping and ksh.
1743 Move the version numbers of DejaGnu here from the testing section
1744 and fix casing of names.
1745 Fix markup and clarify wording for autogen requirements.
1746 Refer to GCJ instead of just java.
1747 Refer to SVN instead of CVS.
1748 Describe diffutils as useful instead of necessary.
1749 (Downloading the source): Refer to SVN instead of CVS.
1750 Adjust a link to our web site accordingly.
1751 (Configuration): Fix casing of Bison.
1752 (Building): Refer to SVN instead of CVS.
1753 Fix a sentence on the use of Bison and remove duplicate (and
1754 incorrect) version number of Bison requirement.
1755 Remove one redundant list of packages needed for building.
1756 (Specific): Avoid reference to CVS.
1758 2006-04-04 Eric Christopher <echristo@apple.com>
1760 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1761 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1762 (rs6000_handle_struct_attribute): New.
1763 (rs6000_ms_bitfield_layout_p): Ditto.
1765 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1767 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1768 NULL for dso parameter to atexit_common.
1770 2006-04-04 Eric Christopher <echristo@apple.com>
1772 * config/i386/i386.c (machopic_output_stub): Output \t
1773 between instructions and operands.
1775 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1777 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1778 satisfies_constraint_[IL] to explicit tests on value.
1780 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1782 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1783 set_nb_iterations_in_loop): Use build_int_cst instead of
1785 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1786 build_int_cst instead of convert.
1788 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1790 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1791 new value 2 for incoming.
1792 * function.c (expand_function_start): Call struct_value_rtx
1794 * config/sparc/sparc.md: Comment updated_return.
1795 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1796 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1797 struct return if sparc_std_struct_return and incoming is 2.
1798 (print_operand): Do not adjust return if
1799 sparc_std_struct_return.
1801 2006-04-04 Roger Sayle <roger@eyesopen.com>
1803 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1804 convert in the middle-end.
1805 * expr.c (store_expr, store_constructor, get_inner_reference,
1806 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1808 * tree.c (build_range_type): Likewise.
1810 2006-04-04 Tom Tromey <tromey@redhat.com>
1812 * doc/install.texi (Prerequisites): Mention jar.
1814 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1816 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1819 2006-04-04 Matthias Klose <doko@debian.org>
1821 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1822 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1825 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1827 * doc/extend.texi (Function Attributes): Rewrite visibility
1828 attribute documentation.
1829 * doc/invoke.texi (C++ Dialect Options): Rewrite
1830 -fvisibility-inlines-hidden documentation to describe something
1831 entirely different, although in practise compatible.
1832 (Code Gen Options): Warn about system headers in -fvisibiltity=
1835 * doc/extend.texi (Other Builtins): Document that
1836 __builtin_nan is a compile-time constant only when its argument
1839 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1841 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1842 trying to remove TRUNCATE check if all bits outside the new mode
1843 are identical to the sign bit.
1845 2006-04-03 Jeff Law <law@redhat.com>
1847 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1848 and operand scanning in some common cases.
1850 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1851 Dale Johannesen <dalej@apple.com>
1854 * regclass.c (struct reg_pref): Update documentation.
1855 (regclass): Set prefclass to NO_REGS if memory is the best option.
1856 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1857 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1858 into account. For non-registers, equate an empty preferred
1859 reload class to a `!' in the constraint; move the if clause to
1860 do so after those that reject the insn.
1861 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1863 (find_dummy_reload): Likewise.
1864 * doc/tm.texi (Register Classes): Document what it means
1865 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1866 * config/i386/i386.c (ix86_preferred_reload_class): Force
1867 using SSE registers (and return NO_REGS for floating-point
1868 constants) if math is done with SSE.
1869 (ix86_preferred_output_reload_class): New.
1870 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1871 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1872 * config/i386/i386.md: Remove # register preferences.
1874 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1877 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1878 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1879 the type of nb_iter.
1880 (instantiate_parameters_1): Convert the operands before calling
1881 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1882 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1884 2006-04-02 Roger Sayle <roger@eyesopen.com>
1886 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1887 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1889 * dojump.c (do_jump): Likewise.
1890 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1891 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1892 gimplify_boolean_expr): Likewise.
1893 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1894 * varasm.c (array_size_for_constructor): Likewise.
1895 * tree-object-size.c (compute_object_offset): Likewise.
1897 2006-04-02 Roger Sayle <roger@eyesopen.com>
1900 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1901 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1903 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1905 PR tree-optimization/26939
1906 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1908 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1910 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1911 at_stmt. Convert the type of operands before calling
1912 build_polynomial_chrec.
1913 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1915 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1916 (instantiate_parameters_1): Convert the type of operands before calling
1917 build_polynomial_chrec.
1918 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1919 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1920 reset_evolution_in_loop): Insert asserts to check the types of the
1922 (chrec_type): Moved...
1923 (eq_evolutions_p): Use operand_equal_p.
1924 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1925 the types of the operands.
1926 (chrec_type): ...here.
1927 * tree-data-ref.c (create_data_ref): Convert the operands before
1928 calling chrec_replace_initial_condition.
1929 (same_access_functions, analyze_subscript_affine_affine,
1930 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1931 (compute_subscript_distance, analyze_ziv_subscript,
1932 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1933 analyze_miv_subscript): Convert the operands before calling
1934 chrec_fold_minus or chrec_fold_plus.
1936 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1938 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1939 the dependence_relations vector.
1940 (compute_data_dependences_for_loop): Adjust call to
1941 compute_all_dependences.
1943 2006-04-01 Roger Sayle <roger@eyesopen.com>
1944 Richard Henderson <rth@redhat.com>
1946 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1947 gimple_boolify on the condition before calling gimplify_expr.
1949 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1951 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1952 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1953 the frame size. Update to use the new macros.
1954 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1955 * config/xtensa/ieee754-df.S: Likewise.
1957 2006-03-31 Richard Henderson <rth@redhat.com>
1959 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1960 (make_edges): ... here. Control fallthru creation with a local
1961 variable. Do not play with fake edges.
1962 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1963 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1966 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1968 * dwarf2.h (DW64_CIE_ID): Define.
1969 * dwarf2out.c (DWARF_CIE_ID): Define.
1970 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1971 length header. Use DWARF_CIE_ID.
1972 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1973 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1975 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1977 * config/sh/linux-atomic.asm: New file.
1978 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1980 2006-03-31 DJ Delorie <dj@redhat.com>
1982 * config/m32c/cond.md: Set condition flags properly throughout.
1983 * config/m32c/minmax.md: Likewise.
1984 * config/m32c/prologue.md: Likewise.
1985 * config/m32c/bitops.md: Likewise.
1986 * config/m32c/muldiv.md: Likewise.
1987 * config/m32c/mov.md: Likewise.
1988 * config/m32c/addsub.md: Likewise.
1989 * config/m32c/m32c.md: Likewise.
1990 * config/m32c/jump.md: Likewise.
1991 * config/m32c/shift.md: Likewise.
1993 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1994 conditionally output the pattern for this.
1995 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1996 (m32c_compare_redundant): New.
1997 (m32c_output_compare): New.
1998 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2000 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2001 dest, not src. Allow other 4-byte modes.
2003 2006-03-30 Denis Chertykov <denisc@overta.ru>
2005 * doc/md.texi: Refer to avr/constraints.md instead of
2008 2006-03-30 Roger Sayle <roger@eyesopen.com>
2010 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2011 signed vs. unsigned comparison failures on some hosts.
2013 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2016 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2017 change to FLOAT_REGS.
2019 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2020 (rs6000_override_options): Use it.
2021 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2022 only for -mabi=spe/no-spe and -mabi=altivec.
2024 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2026 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2029 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2031 * Makefile.in: Rename docdir to gcc_docdir.
2033 2006-03-30 Roger Sayle <roger@eyesopen.com>
2036 * expr.c (emit_group_store): Optimize group stores into a pseudo
2037 register by using a paradoxical subreg to initialize the destination
2038 if the first or last member of the group specifies a "low part".
2040 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2043 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2044 * target.h (struct gcc_target.speculate_insn): Change type of the
2045 second parameter to 'int'.
2046 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2047 the second operand of the DEPS_LIST.
2048 (copy_DEPS_LIST_list): Update reference to the second operand of the
2050 * rtl.h (alloc_DEPS_LIST): Update signature.
2051 * sched-int.h (ds_t): Change typedef to 'int'.
2052 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2054 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2056 * haifa-sched.c (try_ready): Change condition to restore
2057 non-speculative pattern of the instruction.
2058 (process_insn_depend_be_in_spec): Code to keep probability of the
2059 speculative dependence non-decreasing.
2061 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2063 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2064 (single_move_for_movmem): ... this. Also change all uses.
2065 (bfin_expand_strmov): Renamed to...
2066 (bfin_expand_movmem): ... this. Also change all uses.
2067 * config/bfin/bfin.md (movstrsi): Renamed to...
2068 (movstrsi): ...this.
2070 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2072 PR tree-optimization/26830
2074 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2075 (copy_prop_visit_stmt): Remove write-only variable ann.
2076 (init_copy_prop): Check variable loop depth here. Do not simulate
2077 memory-tag and virtual operand PHIs except for store copy prop.
2079 2006-03-30 Richard Guenther <rguenther@suse.de>
2081 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2082 variants with double arguments.
2084 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2086 * genpreds.c (write_tm_constrs_h): Delete variable p.
2087 * genconditions.c (write_header): Add tm-constrs.h to included
2089 * genpeep.c (main): Add toplev.h to included headers.
2090 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2091 (build/genpeep.o): Add toplev.h dependency.
2092 * config/rs6000/constraints.md: Add "W" constraint.
2094 2006-03-29 Roger Sayle <roger@eyesopen.com>
2096 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2097 sizes by correctly testing whether the size fits a host integer.
2098 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2099 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2100 SImode range for the default sizetype and bitsizetype.
2102 2006-03-29 Roger Sayle <roger@eyesopen.com>
2104 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2105 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2106 quickly if the argument is already of the correct type.
2107 Call fold_build1 instead of build1. Tidy up blank lines.
2109 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2111 * genemit.c (main): Add tm-constrs.h to included headers.
2112 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2113 * genpeep.c (main): Add tm-constrs.h to included headers.
2114 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2115 (write_tm_constrs_h): this and write complete file.
2116 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2117 (write_insn_preds_c): Add tm-constrs.h to included headers.
2118 (gen_constrs): New variable.
2119 (parse_option): Parse "-c".
2120 (main): Invoke write_tm_constrs_h.
2121 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2122 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2123 (object_out_file): Add tm-constrs.h dependency.
2124 (insn-emit.o): Same.
2125 (insn-output.o): Same.
2126 (insn-peep.o): Same.
2127 (insn-preds.o): Same.
2128 (insn-recog.o): Same.
2129 (tm-constsr.h): New target.
2130 (s-constrs-h): New target.
2132 * config/rs6000/constraints.md: New file.
2133 * config/rs6000/rs6000.c: Include tm-constrs.h.
2134 (num_insn_constant_wide): Convert to satisfies_constraint.
2135 (rs6000_rtx_costs): Convert to satisfies_constraint.
2136 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2137 (CONST_OK_FOR_LETTER_P): Delete.
2138 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2139 (EXTRA_CONSTRAINT): Delete.
2140 (EXTRA_MEMORY_CONSTRAINT): Delete.
2141 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2142 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2143 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2144 satisfies_constraint.
2146 * config/i386/i386.c: Include tm-constrs.h.
2148 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2150 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2151 * tree-data-ref.c (find_data_references_in_loop,
2152 compute_data_dependences_for_loop): Use pointers to VEC.
2153 (analyze_all_data_dependences): Adjust calls.
2154 * tree-data-ref.h (find_data_references_in_loop,
2155 compute_data_dependences_for_loop): Adjust declarations.
2156 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2157 compute_data_dependences_for_loop.
2159 2006-03-29 Paul Brook <paul@codesourcery.com>
2161 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2164 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2166 PR tree-optimization/26859
2167 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2169 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2170 for the step after fold_convert.
2172 2006-03-29 Paul Brook <paul@codesourcery.com>
2174 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2175 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2177 2006-03-29 Paul Brook <paul@codesourcery.com>
2180 * targhooks.c (default_narrow_bitfield): New fuction.
2181 * targhooks.h (default_narrow_bitfield): add prototype.
2182 * target.h (gcc_target): Add narrow_volatile_bitfield.
2183 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2184 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2185 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2186 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2188 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2190 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2192 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2193 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2194 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2195 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2196 (s390_function_arg_float): Allow SDmode and DDmode values to be
2197 passed in floating point registers.
2198 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2199 check with SCALAR_FLOAT_MODE_P.
2200 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2202 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2204 PR tree-optimization/25985
2205 * tree-ssa-loop-niter.c (number_of_iterations_le,
2206 number_of_iterations_ne): Make comments more precise.
2207 (number_of_iterations_cond): Add only_exit argument. Use the
2208 fact that signed variables do not overflow only when only_exit
2210 (loop_only_exit_p): New.
2211 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2212 number_of_iterations_cond.
2214 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2216 PR tree-optimization/26643
2217 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2220 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2222 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2223 (divsi3_i4_int): Likewise.
2225 2006-03-28 Roger Sayle <roger@eyesopen.com>
2227 * expr.c (emit_group_store): Only create a new pseudo reg if the
2228 quantity it needs to hold isn't already a suitable pseudo.
2230 2006-03-28 Jeff Law <law@redhat.com>
2232 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2233 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2235 2006-03-28 Roger Sayle <roger@eyesopen.com>
2237 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2238 the equivalent ~X & Y, and the symmetry related transformations.
2239 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2240 ~X & Y, and symmetry related transforms.
2242 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2244 Revert my 2006-03-27 patches.
2246 2006-03-28 Roger Sayle <roger@eyesopen.com>
2248 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2249 ~(T1)X, when T1 and T2 are integer types of the same precision
2250 and (T2)X isn't an extension.
2252 2006-03-28 Jeff Law <law@redhat.com>
2254 PR tree-optimization/26796
2255 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2256 need EH edge cleanups rather than purging them immediately.
2257 (eliminate_degenerate_phis): Handle queued EH cleanups.
2259 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2261 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2264 2006-03-27 Roger Sayle <roger@eyesopen.com>
2267 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2268 cast BIT_NOT_EXPR operand to the correct type.
2270 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2272 * tree-loop-linear.c: Don't include varray.h.
2273 (gather_interchange_stats, try_interchange_loops,
2274 linear_transform_loops): Use VEC instead of VARRAY.
2275 * lambda-mat.c: Don't include varray.h.
2276 * tree-chrec.c: Same.
2277 * lambda-trans.c: Same.
2278 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2279 VEC instead of VARRAY.
2280 * tree-vectorizer.h: Idem.
2281 * tree-data-ref.c (dump_data_references,
2282 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2283 initialize_data_dependence_relation, finalize_ddr_dependent,
2284 compute_all_dependences, find_data_references_in_loop,
2285 compute_data_dependences_for_loop, analyze_all_data_dependences,
2286 free_dependence_relation, free_dependence_relations,
2287 free_data_refs): Idem.
2288 * tree-data-ref.h (data_reference_p, subscript_p): New.
2289 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2290 VEC instead of VARRAY.
2291 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2292 (find_data_references_in_loop, compute_data_dependences_for_loop,
2293 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2294 dump_data_dependence_relations, free_dependence_relations,
2295 free_data_refs): Adjust declaration.
2296 (lambda_transform_legal_p): Move declaration here...
2297 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2298 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2299 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2300 vect_analyze_data_refs): Use VEC instead of VARRAY.
2301 * lambda.h (lambda_transform_legal_p): ...from here.
2302 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2303 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2304 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2305 tree-chrec.o): Don't depend on VARRAY_H.
2307 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2309 * rtl.def (Copyright): Update date.
2310 (DEPS_LIST): Change type of the second operand to 'int'.
2311 * target.h (Copyright): Update date.
2312 (struct gcc_target.speculate_insn): Change type of the second parameter
2314 * lists.c (Copyright): Update date.
2315 (alloc_DEPS_LIST): Change signature. Update reference to the second
2316 operand of the DEPS_LIST.
2317 (copy_DEPS_LIST_list): Update reference to the second operand of the
2319 * rtl.h (Copyright): Update date.
2320 (alloc_DEPS_LIST): Update signature.
2321 * sched-int.h (Copyright): Update date.
2322 (ds_t): Change typedef to 'int'.
2323 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2325 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2327 * haifa-sched.c (Copyright): Update date.
2328 (try_ready): Change condition to restore non-speculative pattern
2330 (process_insn_depend_be_in_spec): Code to keep probability of the
2331 speculative dependence non-decreasing.
2333 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2335 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2336 shut up the compiler.
2338 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2340 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2341 to use lib prefix for target.
2342 ($(T)libic_invalidate_array_4-200.a): Likewise.
2343 ($(T)libic_invalidate_array_4a.a): Likewise.
2345 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2346 J"orn Rennecke <joern.rennecke@st.com>
2348 * superh.opt: New file.
2349 * sh.c (boardtype, osruntime): Remove.
2350 * superh.h (SUBTARGET_OPTIONS): Remove.
2351 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2353 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2354 arguments with ^ and/or [].
2356 * config.gcc (sh-*-*): Add quoting to account for quirk of
2358 Replace == with = in enable_incomplete_targets test.
2360 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2361 with MASK_LITTLE_ENDIAN.
2363 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2364 * config/sh/sh.opt: Added to some comments.
2365 * config/sh/superh.h: Removed some chaff.
2367 * config/sh/sh.opt: Add m4-[1234]00* options.
2368 * config/sh/sh.c (sh_handle_option): Likewise.
2369 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2370 (ic_invalidate_array_4-100.o): New rule.
2371 ($(T)libic_invalidate_array_4-100.a): Likewise.
2372 (ic_invalidate_array_4-200.o): Likewise.
2373 ($(T)libic_invalidate_array_4-200.a): Likewise.
2374 (ic_invalidate_array_4a.o): Likewise.
2375 ($(T)libic_invalidate_array_4a.a): Likewise.
2376 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2377 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2379 * config/sh/crt1.asm: Merged in profiling code.
2380 * config/sh/superh.h (STARTFILE_SPEC): Override.
2381 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2382 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2383 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2385 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2386 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2387 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2389 * sh.opt (mpretend-cmove): New option.
2390 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2391 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2392 (movsicc): Add TARGET_PRETEND_CMOVE code.
2394 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2396 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2397 s390_class_max_nregs): New function prototypes.
2398 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2399 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2400 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2401 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2403 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2405 * dwarf2out.c (add_location_or_const_value_attribute): Call
2406 tree_add_const_value_attribute if nothing else works.
2407 (reference_to_unused): New.
2408 (rtl_for_decl_init): Use reference_to_unused to decide whether
2409 to output an initializer.
2411 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2414 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2415 peephole removing spe frob_di_df_2.
2417 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2419 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2420 (subscript_dependence_tester_1): Declared.
2421 (print_dir_vectors, print_dist_vectors): New.
2422 (debug_data_dependence_relation): New.
2423 (dump_data_dependence_relation): Print more details.
2424 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2425 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2426 (save_dist_v, save_dir_v, add_outer_distances,
2427 build_classic_dist_vector_1): New.
2428 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2429 Don't test for lambda_vector_lexico_pos.
2430 (same_access_functions, add_multivariate_self_dist,
2431 add_other_self_distances, dir_from_dist): New.
2432 (build_classic_dir_vector): Replace implementation almost identical to
2433 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2435 (subscript_dependence_tester_1): New.
2436 (subscript_dependence_tester): Handle the lexicographically negative
2437 distance vectors by recomputing the dependence relation.
2438 (compute_affine_dependence): Remove parameter loop_nest_depth.
2439 (compute_self_dependence): Don't call compute_subscript_distance.
2440 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2441 Add a parameter for the loop_nest.
2442 (find_loop_nest_1, find_loop_nest): New.
2443 (compute_data_dependences_for_loop): Compute the loop nest, and give
2444 up if the nest is not well formed.
2445 * tree-data-ref.h (loop_p): New.
2446 (struct data_dependence_relation): Replace size_vect field with
2447 loop_nest, a vec of loops.
2448 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2449 (DDR_LOOP_NEST): New.
2450 (print_dir_vectors, print_dist_vectors,
2451 debug_data_dependence_relation): Declared.
2452 (index_in_loop_nest): New.
2453 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2454 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2457 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2459 * simplify-rtx.c (simplify_relational_operation): Call
2460 simplify_relational_operation_1 even if mode is VOIDmode.
2462 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2464 PR tree-optimization/26804
2465 * tree.h (DECL_CALL_CLOBBERED): New macro.
2466 (tree_decl_common): Add call_clobbered_flag.
2467 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2468 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2469 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2470 (mark_non_addressable): Ditto.
2471 * tree-ssa.c (verify_call_clobbered): New function.
2472 (verify_alias_info): Use it.
2473 * tree-pass.h (pass_reset_cc_flags): New prototype.
2474 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2475 (reset_cc_flags): New function.
2476 * passes.c (init_optimization_passes): Call reset_cc_flags after
2477 initializing referenced_vars.
2479 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2480 Roger Sayle <roger@eyesopen.com>
2483 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2484 to 1.0 for non-real operands. Implement A / A optimization for
2487 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2489 * config/i386/i386.c (size_cost): Correct the comment for
2490 cost of storing fp registers.
2491 (i386_cost): Likewise.
2492 (i486_cost): Likewise.
2493 (pentium_cost): Likewise.
2494 (pentiumpro_cost): Likewise.
2495 (k6_cost): Likewise.
2496 (athlon_cost): Likewise.
2497 (k8_cost): Likewise.
2498 (pentium4_cost): Likewise.
2499 (nocona_cost): Likewise.
2500 (generic64_cost): Likewise.
2501 (generic32_cost): Likewise.
2503 2006-03-24 Denis Chertykov <denisc@overta.ru>
2505 * config/avr/avr-protos.h (extra_constraint): Delete.
2506 (extra_constraint_Q): New declaration.
2507 * config/avr/constraints.md: New file.
2508 * config/avr/avr.md: Include it.
2509 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2510 (TMP_REGNO, ZERO_REGNO): Likewise.
2511 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2512 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2513 (extra_constraint): Delete.
2514 (extra_constraint_Q): Test for memory constraint 'Q'.
2515 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2516 (REG_CLASS_FROM_LETTER): Delete.
2517 (CONST_OK_FOR_LETTER_P): Delete.
2518 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2519 (EXTRA_CONSTRAINT): Delete.
2520 (TMP_REGNO): Delete.
2521 (ZERO_REGNO): Delete.
2523 2006-03-24 Jeff Law <law@redhat.com>
2525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2526 directly. Call mark_new_vars_to_rename slightly earlier.
2528 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2530 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2532 (gen_compile_unit_die): Use new language types for Objective-C and
2534 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2535 DW_LANG_C_plus_plus.
2538 * config/t-darwin (crt3.o): Work around bug 26840.
2539 * config/darwin-crt3.c: Rewrite.
2540 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2542 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2544 * doc/invoke.texi: Document -femit-class-debug-always
2545 * common.opt: Add -femit-class-debug-always.
2547 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2549 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2550 index and base register.
2551 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2552 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2553 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2554 REGNO_OK_FOR_INDEX_P.
2555 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2557 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2558 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2559 REG_OK_FOR_BASE_P): Definitions removed.
2561 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2564 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2565 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2566 set yet or weren't marked as local yet.
2568 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2570 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2573 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2575 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2576 (rs6000_legitimate_small_data_p): Delete.
2577 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2578 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2579 and make static. Add forward declaration. Update uses.
2580 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2581 of offsettable_memref_p.
2582 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2583 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2585 2006-03-24 Jeff Law <law@redhat.com>
2587 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2588 around bug in immediate-use iterator.
2590 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2593 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2594 or __LITTLE_ENDIAN__.
2596 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2598 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2599 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2600 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2601 * config/sh/sh.opt (mdiv=): Amend description.
2602 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2603 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2604 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2605 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2606 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2607 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2608 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2609 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2610 TARGET_DIVIDE_CALL_FP.
2612 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2614 * haifa-sched.c (choose_ready): Fix type of the local variable.
2615 Move local variables. Add comment.
2616 (check_reg_live): Change signature. Make callable from debugger.
2617 * sched-int.h (check_reg_live): Update signature.
2618 * sched-ebb.c (check_reg_live): Update parameters.
2619 * sched-rgn.c (check_reg_live): Ditto.
2620 (region_head_or_leaf_p): Check pointer before dereferencing.
2621 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2622 before reload on optimization levels below 1.
2624 2006-03-23 Richard Henderson <rth@redhat.com>
2626 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2630 * config/alpha/predicates.md (local_symbolic_operand): Reject
2633 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2636 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2637 expressions which have overflowed constants.
2639 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2641 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2643 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2645 * cfgloopmanip.c (create_loop_notes): Removed.
2646 * final.c (final_scan_insn): Do not handle loop notes.
2647 * jump.c (squeeze_notes): Ditto.
2648 * cfglayout.c (skip_insns_after_block,
2649 duplicate_insn_chain): Ditto.
2650 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2652 * cfgloop.h (create_loop_notes): Declaration removed.
2654 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2656 * varasm.c (output_constant_pool): Restore fnname and fndecl
2658 (assemble_start_function): Adjust call accordingly.
2659 (assemble_end_function): Likewise.
2661 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2664 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2667 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2669 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2672 * system.h (ICE_EXIT_CODE): New macro.
2673 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2674 (diagnostic_action_after_output): Likewise.
2675 * gcc.c (fatal_ice): New function.
2676 (execute): Use it instead of fatal.
2677 (fancy_abort): Likewise.
2678 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2680 2006-03-22 Jeff Law <law@redhat.com>
2682 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2683 iv_analyze_result returning false.
2685 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2687 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2689 2006-03-22 Richard Henderson <rth@redhat.com>
2692 * except.c (duplicate_eh_regions_0): New.
2693 (duplicate_eh_region_1): Duplicate the children of the node as
2694 well as the node itself. Link them up properly.
2695 (duplicate_eh_region_2): Merge into ...
2696 (duplicate_eh_regions): ... here. Take copy_region argument, and
2697 copy only a sub-tree if asked. Simplify copying and fixup.
2698 (eh_region_outer_p): New.
2699 * except.h (duplicate_eh_regions): Update decl.
2700 (eh_region_outer_p): Declare.
2701 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2702 (lower_omp_master): Likewise.
2703 (lower_omp_ordered): Likewise.
2704 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2705 (move_stmt_r): Use it to remap labels. Handle recursion vs
2706 remap_decls_p properly.
2707 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2708 (find_outermost_region_in_block): New.
2709 (new_label_mapper): New.
2710 (move_sese_region_to_fn): Copy eh information to the new function
2712 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2714 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2717 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2719 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2720 into shared libraries.
2722 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2724 * doc/md.texi: Refer to i386/constraints.md instead of
2726 * config/i386/constraints.md: New file, extracted from...
2727 * config/i386/predicates.md: ...here.
2728 * config/i386/i386.md: Include constraints.md.
2730 2006-03-21 Jason Merrill <jason@redhat.com>
2732 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2735 * expr.c (init_block_move_fn): Force default visibility.
2736 (init_block_clear_fn): Likewise.
2737 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2738 * targhooks.c (default_external_stack_protect_fail): Likewise.
2740 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2742 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2743 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2744 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2745 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2746 (loadgp): Use mips_current_loadgp_style.
2747 (loadgp_noshared): New pattern.
2748 (sibcall_internal): Use MIPS_CALL.
2749 (sibcall_value_internal): Likewise.
2750 (sibcall_value_multiple_internal): Likewise.
2751 (call_internal): Likewise.
2752 (call_value_internal): Likewise.
2753 (call_value_multiple_internal): Likewise.
2754 (call_split): Use MIPS_CALL and add an 'S' constraint.
2755 (call_value_split): Likewise.
2756 (call_value_multiple_split): Likewise.
2757 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2758 (-mshared): New option.
2759 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2760 (mips_current_loadgp_style): Declare.
2761 * config/mips/mips.c (mips_classify_symbol): Avoid using
2762 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2763 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2764 TARGET_ABSOLUTE_ABICALLS.
2765 (override_options): Adjust comments. Improve the warning that is
2766 issued when -mabicalls and -G are used together.
2767 (mips_file_start): Remove comment.
2768 (mips_current_loadgp_style): New function.
2769 (mips_gnu_local_gp): New variable.
2770 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2772 (mips_output_function_prologue): Use mips_current_laodgp_style.
2773 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2774 the cprestore instruction.
2775 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2776 live for TARGET_ABSOLUTE_ABICALLS.
2777 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2778 (ASM_SPEC): Pass down -mshared and -mno-shared.
2779 (MIPS_CALL): New macro.
2780 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2782 * doc/invoke.texi (-mabicalls): Update documentation.
2783 (-mshared): Document.
2785 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2787 * config/ia64/unwind-hpux.c: New file.
2788 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2790 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2793 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2795 2006-03-21 Jeff Law <law@redhat.com>
2797 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2798 type conversions of a VR_VARYING source to a wider type.
2800 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2802 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2803 tm_file on Solaris 10 and later.
2804 (sparc64-*-solaris2*): Likewise.
2805 (sparc-*-solaris2*): Likewise.
2806 * config/sol26.h: Rename to config/sol2-6.h.
2807 * config/sol2-10.h: New file.
2809 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2812 * tree-ssa-pre.c (create_component_ref_by_pieces):
2815 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2818 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2819 return it immediately.
2821 2006-03-21 Michael Matz <matz@suse.de>
2823 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2825 (remove_arc, add_arc): Update num_out_arcs member.
2826 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2828 (cache_presence): New function.
2829 (compare_states_for_equiv): New function.
2830 (state_is_differed): Don't take number of outargs, adjust callers.
2831 Use new invariant for speeding up.
2832 (init_equiv_class): Create initial classes based on sorted
2834 (partition_equiv_class): Don't track out_arcs_num.
2835 (evaluate_equiv_classes): Call cache_presence on all states and
2838 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2840 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2841 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2842 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2843 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2845 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2846 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2847 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2848 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2849 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2851 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2852 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2853 (REGNO_REG_CLASS): ARGP is in PREGS.
2854 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2856 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2857 to deal with those addresses.
2858 * addresses.h: New file.
2859 * caller-save.c: Include "addresses.h".
2860 (init_caller_save): Use new base_reg_class function.
2861 * rtl-factoring.c: Include "addresses.h".
2862 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2863 * recog.c: Include "addresses.h".
2864 (preprocess_constraints): Use new base_reg_class function.
2865 * regrename.c: Include "addresses.h".
2866 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2867 functions. Keep track of a new var INDEX_CODE to compute valid
2869 (replace_oldest_value_addr): Likewise.
2870 (replace_oldest_value_mem): Use base_reg_class.
2871 * reload.c: Include "addresses.h".
2872 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2873 (find_reloads): Use new base_reg_class function.
2874 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2875 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2876 all callers and prototype changed.
2877 * reload1.c: Include "addresses.h".
2878 (maybe_fix_stack_asms): Use base_reg_class.
2879 * regclass.c: Include "addresses.h".
2880 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2881 (init_reg_autoinc): Use new base_reg_class function.
2882 (record_reg_classes): Likewise.
2883 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2884 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2885 Use new args to compute necessary class.
2887 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2888 regrename.o, rtl-factoring.o): Update dependencies.
2889 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2890 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2891 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2892 REG_OK_FOR_INDEX_P): Delete documentation.
2894 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2896 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2897 from V7 to V9 for Solaris 7 and above.
2899 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2901 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2902 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2903 argument pointers may not alias any other storage.
2904 * common.opt: Define option -fargument-noalias-anything.
2905 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2906 alias semantics is specified by flag_argument_noalias > 2.
2908 2006-03-20 Jeff Law <law@redhat.com>
2910 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2911 (pass_phi_only_cprop): Declare.
2912 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2914 * tree-ssa-dom.c (degenerate_phi_result): New function.
2915 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2916 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2917 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2918 (eliminate_degenerate_phis): Likewise.
2919 (pass_phi_only_cprop): New pass descriptor.
2920 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2921 support code. Callers updated.
2922 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2923 (store_copy_prop): Likewise.
2924 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2926 2006-03-20 Jason Merrill <jason@redhat.com>
2929 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2930 (push_visibility, pop_visibility): Likewise.
2931 * c-pragma.h: Declare them.
2933 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2935 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2937 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2938 parameter and use get_ebb_head_tail.
2939 (sh_md_init_global): Adjust uses of find_regmode_weight.
2941 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2943 * function.h (struct function) <x_tail_recursion_reentry>:
2944 Rename to x_stack_check_probe_note.
2945 (tail_recursion_reentry): Rename to stack_check_probe_note.
2946 * function.c: Replace tail_recursion_reentry with
2947 stack_check_probe_note everywhere.
2948 (expand_function_start): Only emit a note for
2949 stack_check_probe_note with -fstack-protect.
2950 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2952 * emit-rtl.c (remove_unnecessary_notes): Remove.
2953 (pass_remove_unnecessary_notes): Remove.
2954 * rtl.h (remove_unnecessary_notes): Remove prototype.
2955 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2956 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2957 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2959 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2962 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2963 (valid_in_set): Handle ARRAY_REF.
2964 Change "if min_variant or VH" to asserts.
2965 (create_component_ref_by_pieces): Handle ARRAY_REF.
2966 (create_expression_by_pieces): Likewise.
2967 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2969 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2971 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2972 is operand of switch, not str[0].
2974 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2976 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2977 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2979 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2981 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2982 end of insn_extra_address_constraint declaration.
2984 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2986 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2987 (no-sum-in-toc): Same.
2988 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2990 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2991 NO_FP_IN_TOC for -fPIC instead of mask.
2993 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2994 (BOOT_LDFLAGS): Delete.
2996 * config/rs6000/t-aix52: Same.
2998 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2999 (stmsi[345678]_power): New.
3001 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3003 * config/ia64/ia64.opt: Add empty line to end of file.
3005 2006-03-17 Richard Guenther <rguenther@suse.de>
3008 * builtins.c (get_pointer_alignment): For component style references
3009 adjust alignment to the component type alignment. Make sure
3010 to adjust alignment for component access of constants.
3012 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3014 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3017 2006-03-17 Paul Brook <paul@codesourcery.com>
3019 * doc/install.texi: Docuemnt --with-mode.
3020 * config.gcc: Add --with-mode for arm*-*-*.
3021 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3023 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3025 * sh.c (max_labelno_before_reorg): New variable.
3026 (sh_reorg): Initialize it.
3027 (find_barrier): Check max_labelno_before_reorg before using
3028 label_to_alignment. Take length of explicit alignment insns
3029 into account. When seeing a UNSPECV_CONST_END, return it.
3031 * sh.c (fixup_mova): Set mode of affected label to QImode.
3032 (untangle_mova): New function.
3033 (find_barrier): Use it. Check mode of label before decrementing
3035 (sh_reorg): Likewise.
3036 Set mode of all insns back to VOIDmode.
3038 * sh.c (MOVA_LABELREF): New macro.
3039 (mova_p, fixup_mova, sh_reorg): Use it.
3040 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3041 ADDR_DIFF_VEC matches mova.
3043 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3045 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3046 with ATTRIBUTE_UNUSED.
3048 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3050 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3051 pointer, instead of assuming it is possible to derive the
3052 correct args size from a call insn.
3054 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3056 * rtl.h (CONST_INT_P): Define.
3057 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3058 instead of GET_CODE(x) == CONST_INT.
3059 (vax_rtx_costs): Likewise.
3060 (vax_output_int_move): Likewise.
3061 (vax_output_int_add): Likewise.
3062 (legitimate_constant_address_p): Likewise.
3063 (index_term_p): Likewise.
3064 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3065 * config/vax/vax.md (and<mode>3): Likewise.
3066 (ashrsi3): Likewise.
3068 (movstricthi): Likewise.
3069 (movstrictqi): Likewise.
3070 (rotrsi3): Likewise.
3071 (five unnamed insns): Likewise.
3073 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3075 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3076 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3077 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3078 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3079 Pass to ASM_OUTPUT_DWARF_OFFSET.
3080 * dwarf2out.c (debug_frame_section): New.
3081 (output_call_frame_info): Use debug_frame_section. Pass it to
3082 dw2_asm_output_offset.
3083 (output_die): Pass appropriate section to dw2_asm_output_offset.
3084 (output_compilation_unit_header): Likewise.
3085 (output_pubnames): Likewise.
3086 (output_aranges): Likewise.
3087 (enum dw_val_class): Break dw_val_class_lbl_offset into
3088 dw_val_class_lineptr and dw_val_class_macptr.
3089 (add_AT_lbl_offset): Delete.
3090 (add_AT_lineptr): New.
3091 (add_AT_macptr): New.
3092 (AT_lbl): Expect a lineptr or macptr.
3093 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3094 (attr_checksum): Likewise.
3095 (same_dw_val_p): Likewise.
3096 (size_of_die): Likewise.
3097 (value_format): Likewise.
3098 (output_die): Likewise.
3099 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3101 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3102 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3103 * config/darwin-protos.h (darwin_file_start): New.
3104 (darwin_asm_output_dwarf_offset): New.
3105 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3106 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3108 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3109 if not EH section; simplify.
3110 (darwin_file_start): New.
3111 (darwin_asm_output_dwarf_offset): New.
3112 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3114 (DEBUG_INFO_SECTION): Likewise.
3115 (DEBUG_ABBREV_SECTION): Likewise.
3116 (DEBUG_ARANGES_SECTION): Likewise.
3117 (DEBUG_MACINFO_SECTION): Likewise.
3118 (DEBUG_LINE_SECTION): Likewise.
3119 (DEBUG_LOC_SECTION): Likewise.
3120 (DEBUG_PUBNAMES_SECTION): Likewise.
3121 (DEBUG_STR_SECTION): Likewise.
3122 (DEBUG_RANGES_SECTION): Likewise.
3123 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3124 (ASM_OUTPUT_DWARF_OFFSET): New.
3126 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3128 * config.gcc (tm_defines): Always add to previous value rather
3131 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3133 * config/mips/predicates.md (splittable_const_int_operand): New,
3134 split from move_operand.
3135 (splittable_symbolic_operand): New.
3136 (move_operand): Add commentary. Use splittable_const_int_operand.
3137 Inline mips_atomic_symbolic_constant_p.
3138 * config/mips/mips.md: Add combine splitters for handling moves
3139 of splittable_const_int_operands and splittable_symbolic_operands.
3140 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3141 (mips_split_symbol): Declare.
3142 (mips_move_integer): Declare.
3143 * config/mips/mips.c (mips_split_p): Make global.
3144 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3145 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3146 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3147 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3148 (mips_offset_within_object_p): Handle block symbols.
3149 (mips_atomic_symbolic_constant_p): Delete.
3150 (mips_cannot_force_const_mem): Return false for constants that
3151 mips_legitimize_move can handle.
3152 (mips_use_blocks_for_constant_p): New function.
3153 (mips_split_symbol): Make global.
3154 (mips_move_integer): Likewise. Add a temporary register argument.
3155 (mips_legitimize_const_move): Use splittable_const_int_operand and
3156 splittable_symbolic_operand.
3157 (mips_use_anchors_for_symbol_p): New function.
3158 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3159 (mips_split_p): Declare.
3161 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3163 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3164 (mips*-*-linux*): Likewise.
3166 2006-03-16 Roger Sayle <roger@eyesopen.com>
3167 Daniel Speyer <dspeyer@wam.umd.edu>
3170 * tree-dump.c (dump_real): New function.
3171 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3172 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3173 (tree-dump.o): Add $(REAL_H) to the dependencies.
3175 2006-03-16 Roger Sayle <roger@eyesopen.com>
3178 * real.c (real_from_string): If the mantissa is zero, don't bother
3179 parsing the exponent as the result should always be zero.
3181 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3183 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3185 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3187 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3188 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3189 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3190 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3191 ia64_sched_finish_global): New static functions to implement
3192 hooks from gcc_target.sched.
3193 (spec_check_no, max_uid, pending_data_specs): New static variables.
3194 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3195 ia64_spec_check_src_p): New static functions.
3196 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3197 (TARGET_SCHED_ADJUST_COST): Removed.
3198 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3199 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3200 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3201 TARGET_SCHED_GEN_CHECK,
3202 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3203 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3204 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3205 Fixed to handle speculation checks.
3206 (rtx_needs_barrier): Fixed to handle speculative loads and
3208 (ia64_variable_issue): Added code to count speculative loads and their
3210 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3212 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3214 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3216 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3217 (ia64_reorg): Reset stops_p to NULL after it is freed.
3218 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3219 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3220 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3222 (data_speculative, control_speculative, check_load): New attributes.
3223 (mov<mode>_advanced, mov<mode>_speculative,
3224 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3225 zero_extend<mode>di2_speculative,
3226 zero_extend<mode>di2_speculative_advanced): New patterns for
3227 data and control speculative loads.
3228 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3230 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3231 New pattern for data and control speculation checks.
3232 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3233 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3234 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3235 Auxiliary definitions for the patterns.
3236 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3237 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3239 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3241 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3242 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3243 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3244 New resource constraints.
3245 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3247 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3248 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3249 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3250 msched-in-control-spec, msched-ldc, msched-control-ldc,
3251 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3252 msched-prefer-non-control-spec-insns,
3253 msched-count-spec-in-critical-path): New flags to tune speculative
3255 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3256 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3257 msched-in-control-spec, msched-ldc, msched-control-ldc,
3258 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3259 msched-prefer-non-control-spec-insns,
3260 msched-count-spec-in-critical-path): Document new flags.
3262 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3264 * target.h (struct spec_info_def): New opaque declaration.
3265 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3266 speculate_insn, needs_block_p, gen_check,
3267 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3268 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3269 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3270 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3271 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3272 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3274 (TARGET_SCHED): Use new macros.
3275 * rtl.h (copy_DEPS_LIST_list): New prototype.
3276 * sched-int.h (struct sched_info): Change signature of new_ready field,
3277 adjust all initializations. New fields: add_remove_insn,
3278 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3279 region_head_or_leaf_p.
3280 (struct spec_info_def): New structure declaration.
3281 (spec_info_t): New typedef.
3282 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3283 recovery_block, orig_pat.
3284 (glat_start, glat_end): New variables declaraions.
3285 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3287 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3288 DETACH_LIFE_INFO, USE_GLAT.
3289 (enum SPEC_SCHED_FLAGS): New enumeration.
3290 (NOTE_NOTE_BB_P): New macro.
3291 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3292 attach_life_info, debug_spec_status, check_reg_live): New functions.
3293 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3294 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3296 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3297 * ddg.c (get_block_head_tail): Adjust all uses.
3298 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3299 (sms_sched_info): Initialize new fields.
3300 (contributes_to_priority): Removed.
3301 * haifa-sched.c (params.h): New include.
3302 (get_block_head_tail): Adjust all uses.
3303 (ISSUE_POINTS): New macro.
3304 (glat_start, glat_end): New global variables.
3305 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3306 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3307 old_last_basic_block, before_recovery, current_sched_info_var,
3308 rgn_n_insns, luid): New static variables.
3309 (insn_cost1): New function. Move logic from insn_cost to here.
3310 (find_insn_reg_weight1): New function. Move logic from
3311 find_insn_reg_weight to here.
3312 (reemit_notes, move_insn, max_issue): Change signature.
3313 (move_insn1): Removed.
3314 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3315 extend_bb): New static functions to support extension of scheduler's
3317 (generate_recovery_code, process_insn_depend_be_in_spec,
3318 begin_speculative_block, add_to_speculative_block,
3319 init_before_recovery, create_recovery_block, create_check_block_twin,
3320 fix_recovery_deps): New static functions to support
3321 generation of recovery code.
3322 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3323 restore_bb_notes, move_block_after_check, move_succs): New static
3324 functions to support ebb scheduling.
3325 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3326 functions to support handling of register live information.
3327 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3328 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3329 add_jump_dependencies): New static functions.
3330 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3331 consistancy checking.
3332 (debug_spec_status): New function to call from debugger.
3333 (priority): Added code to handle speculation checks.
3334 (rank_for_schedule): Added code to distinguish speculative instructions.
3335 (schedule_insn): Added code to handle speculation checks.
3336 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3337 Fixed to handle ebbs.
3338 (move_insn): Added code to handle ebb scheduling.
3339 (max_issue): Added code to use ISSUE_POINTS of instructions.
3340 (choose_ready): Added code to choose between speculative and
3341 non-speculative instructions.
3342 (schedule_block): Added code to handle ebb scheduling and scheduling of
3343 speculative instructions.
3344 (sched_init): Initialize new variables.
3345 (sched_finish): Free new variables. Print statistics.
3346 (try_ready): Added code to handle speculative instructions.
3347 * lists.c (copy_DEPS_LIST_list): New function.
3348 * sched-deps.c (extend_dependency_caches): New function. Move logic
3349 from create_dependency_caches to here.
3350 (get_dep_weak, ds_merge): Make global.
3351 * genattr.c (main): Code to output prototype for
3352 dfa_clear_single_insn_cache.
3353 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3354 (output_dfa_clean_insn_cache_func): Code to output
3355 dfa_clear_single_insn_cache function.
3356 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3358 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3360 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3361 New static variables.
3362 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3363 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3365 (ebb_sched_info): Initialize new fields.
3366 (get_block_head_tail): Adjust all uses.
3367 (compute_jump_reg_dependencies): Fixed to use glat_start.
3368 (schedule_ebb): Code to remove unreachable last block.
3369 (schedule_ebbs): Added code to update register live information.
3370 * sched-rgn.c (region_sched_info): Initialize new fields.
3371 (get_block_head_tail): Adjust all uses.
3372 (last_was_jump): Removed. Adjust users.
3373 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3374 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3375 Implement new hooks.
3376 (check_dead_notes1): New static function.
3377 (struct region): New fields: dont_calc_deps, has_real_ebb.
3378 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3379 (BB_TO_BLOCK): Fixed to handle EBBs.
3380 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3381 (ebb_head): New static variable.
3382 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3383 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3385 (compute_dom_prob_ps): New assertion.
3386 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3387 global_live_at_start.
3388 (init_ready_list): New assertions.
3389 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3390 (new_ready): Add support for BEGIN_CONTROL speculation.
3391 (schedule_insns): Fixed code that updates register live information
3393 (schedule_region): Fixed to handle EBBs.
3394 (init_regions): Use extend_regions and check_dead_notes1.
3395 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3396 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3397 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3398 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3399 TARGET_SCHED_GEN_CHECK,
3400 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3401 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3402 * doc/invoke.texi (max-sched-insn-conflict-delay,
3403 sched-spec-prob-cutoff): Document.
3405 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3407 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3408 inter_tick, queue_index.
3409 (struct sched_info): Change signature of init_ready_list field.
3410 Adjust all initializations.
3411 (RESOLVED_DEPS): New access macro.
3412 (ready_add): Remove prototype.
3413 (try_ready): Add prototype.
3414 * sched-rgn.c (init_ready_list): Use try_ready.
3415 (schedule_region): Initialize
3416 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3417 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3418 (init_ready_list): Use try_ready.
3419 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3420 * lists.c (remove_list_elem): Remove `static'.
3421 (remove_free_INSN_LIST_elem): New function.
3422 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3423 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3424 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3426 (readyp): New variable.
3427 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3428 change_queue_index, resolve_dep): New static functions.
3429 (try_ready): New function. Adjust callers in sched-rgn.c and
3430 sched-ebb.c to use it instead of ready_add.
3431 (clock_var): Move at the begining of file.
3432 (rank_for_schedule): Fix typo.
3433 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3434 (ready_lastpos): Enforce assertion.
3435 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3437 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3438 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3439 (queue_to_ready): Use free_INSN_LIST_list.
3440 (early_queue_to_ready): Fix typo.
3441 (schedule_block): Init readyp. Move init_ready_list call after the
3442 initialization of clock_var. Fix error in rejecting insn by
3443 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3444 that previously corrected INSN_TICKs. Add code for handling
3446 (set_priorities): Fix typo.
3447 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3448 Clarify comment and code that keeps current_sched_info->next_tail
3451 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3453 * sched-rgn.c (extend_rgns): New static function.
3454 (find_rgns): Use it.
3455 (gather_region_statistics, print_region_statistics): New static
3457 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3458 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3460 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3461 Andrey Belevantsev <abel@ispras.ru>
3463 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3464 * lists.c (unused_deps_list): New variable.
3465 (free_list): Add assertions to verify the proper distinguishing
3466 between INSN_LISTs and DEPS_LISTs.
3467 (find_list_elem, remove_list_elem, remove_list_node): New static
3469 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3470 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3471 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3472 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3474 (free_INSN_LIST_node): Likewise.
3475 * modulo-sched.c (current_sched_info): Initialize flags field.
3476 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3477 * rtl.def (DEPS_LIST): Define.
3478 * rtl.h: Declare new functions from lists.c.
3479 * sched-deps.c (spec_dependency_cache): New static variable.
3480 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3481 (add_dependence): Change return type to void. Move the logic to ...
3482 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3483 (delete_all_dependences): Add comment about forward_dependency_cache.
3484 Handle spec_dependency_cache. Handle DEPS_LISTs.
3485 (fixup_sched_groups): Clarify the change of priority of output
3486 and anti dependencies.
3487 (sched_analyze_2): Adjust add_dependence calls to create data
3488 speculative dependence.
3489 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3490 Adjust all callers. Handle DEPS_LISTS.
3491 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3492 presence of speculation.
3493 (init_dependency_caches, free_dependency_caches):
3494 Handle spec_dependency_cache.
3495 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3496 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3497 New static functions.
3498 (add_or_update_back_dep, add_or_update_back_forw_dep,
3499 add_back_forw_dep, delete_back_forw_dep): New functions.
3500 * sched-int.h (ds_t, dw_t): New typedefs.
3501 (struct sched_info): Add new field flags.
3502 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3503 Prototype new sched-deps.c functions.
3504 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3505 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3506 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3507 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3508 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3509 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3511 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3513 * sched-rgn.c (current_sched_info): Initialize flags field.
3514 (schedule_insns): Initialize current_sched_info before the sched_init
3516 * sched-ebb.c (current_sched_info): Initialize flags field.
3517 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3518 Call add_or_update_back_dep instead of add_dependence.
3519 Create control speculative dependencies.
3520 (schedule_insns): Initialize current_sched_info before the sched_init
3523 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3525 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3527 (sh_fallback_frame_state): Likewise.
3529 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3531 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3532 Do switch on default_use_cxa_atexit.
3533 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3534 * config/darwin-crt3.o: New.
3535 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3536 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3537 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3539 * config/rs6000/t-darwin: Move crt2.o building to here.
3540 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3541 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3544 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3546 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3547 from '! xxx' to '!xxx' for coding-style conformance.
3548 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3549 (EXTRA_CONSTRAINT): Likewise.
3550 * config/vax/vax.md (four unnamed insns): Likewise.
3552 2006-03-15 Paul Brook <paul@codesourcery.com>
3554 * config/arm/arm.c (minipool_pad): New.
3555 (add_minipool_forward_ref): Include pool alignment padding in address
3557 (push_minipool_fix): Set minipool_pad.
3558 (minipool_pad): Ditto.
3560 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3562 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3563 instead of GET_CODE() == MEM and REG_P() instead of
3565 (print_operand_address): Likewise.
3566 (vax_address_cost): Likewise.
3567 (vax_rtx_costs): Likewise.
3568 (vax_notice_update_cc): Likewise.
3569 (vax_output_int_add): Likewise.
3570 (INDEX_REGISTER_P): Likewise.
3571 (BASE_REGISTER_P): Likewise.
3572 (nonindexed_address_p): Likewise.
3573 (vax_mode_dependent_address_p): Likewise.
3574 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3575 (PRINT_OPERAND): Likewise.
3576 * config/vax/vax.md (ashlsi3): Likewise.
3577 (ashlsi3): Likewise.
3578 (some more unnamed insns): Likewise.
3580 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3582 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3583 iterator-style macro.
3584 (mark_control_dependent_edges_necessary): Update the use of
3585 EXECUTE_IF_CONTROL_DEPENDENT.
3587 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3589 * config/sh/predicates.md (cache_address_operand): Special.
3590 (ua_address_operand): Likewise.
3592 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3594 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3596 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3598 2006-03-15 Andreas Schwab <schwab@suse.de>
3600 * gensupport.c (identify_predicable_attribute): Don't free p_false
3601 when it is still in use.
3603 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3605 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3606 the default setting here.
3608 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3610 * tree-pass.h (pass_cfg): Remove.
3611 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3612 * passes.c (pass_cfg): Don't run it.
3614 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3616 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3617 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3619 (stack_regs_mentioned): Update the uses of
3620 stack_regs_mentioned_data. Don't access the array beyond its
3622 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3623 Don't include gt-reg-stack.h.
3625 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3626 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3628 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3631 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3634 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3636 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3638 2006-03-14 Richard Guenther <rguenther@suse.de>
3640 PR tree-optimization/26672
3641 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3644 2006-03-14 Richard Guenther <rguenther@suse.de>
3646 PR tree-optimization/26667
3647 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3648 node for the callees. Always allow inlining if it will shrink
3651 2006-03-14 Richard Guenther <rguenther@suse.de>
3654 * builtins.c (get_pointer_alignment): Prefer alignment
3655 information from decls over that from types.
3657 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3660 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3662 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3664 * config/rs6000/rs6000.opt (mdlmzb): New option.
3665 (msched-prolog, msched-epilog): Use Var not Mask.
3666 * doc/invoke.texi (-mdlmzb): Document.
3667 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3669 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3670 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3672 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3674 PR rtl-optimization/25739
3675 * bt-load.c (augment_live_range): Free tos pointer.
3677 * gensupport.c (identify_predicable_attribute): Free
3679 * gcov.c (create_file_names): Free name pointer.
3681 2006-03-13 Roger Sayle <roger@eyesopen.com>
3684 * stmt.c (emit_case_nodes): Handle the case where the index is a
3685 CONST_INT, where the comparison mode is specified by the index type.
3687 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3689 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3692 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3694 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3695 (*branch_fp_inverted): Likewise.
3697 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3700 * omp-low.c (expand_omp_for_generic): Mark istart0
3701 and iend0 as addressable.
3703 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3705 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3707 2006-03-13 Jeff Law <law@redhat.com>
3709 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3710 virtual operands are interesting.
3711 (vrp_visit_stmt): Corresponding changes.
3713 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3715 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3717 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3718 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3719 * config/bfin/crti.S: Use it instead of __PIC__.
3720 * config/bfin/crtn.S: Likewise.
3722 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3723 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3725 Lose 'G' modifier for call operand.
3726 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3727 recognize 'G' modifier.
3729 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3732 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3733 * stmt.c (expand_case): Likewise.
3735 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3737 PR rtl-optimization/26254
3738 * loop-invariant.c (seq_insns_valid_p): New function.
3739 (move_invariant_reg): Only emit new code if it is valid.
3741 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3743 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3745 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3746 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3747 (commit_one_edge_insertion): Do not look for loop notes.
3749 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3751 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3752 flag_test_coverage out of loop.
3754 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3756 * final.c (shorten_branches): Remove outdated comment, and turn
3757 the if branch that guards it to continue.
3759 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3761 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3762 * cfgloop.h (struct loop): Remove unused fields.
3764 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3766 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3767 (-dL, -fdump-rtl-loop2): Update the dump file names
3769 * doc/invoke.texi: Update dump file names.
3771 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3773 * predict.c (estimate_probability): Remove.
3774 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3775 * basic-block.h (estimate_probability): Remove prototype.
3776 * passes.c (finish_optimization_passes): Dump branch prediction or
3777 profiling heuristics to the .profile tree dump.
3778 (init_optimization_passes): Unqueue pass_branch_prob.
3780 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3782 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3784 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3785 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3787 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3789 * function.h (frame_offset_overflow): Declare.
3790 * function.c (frame_offset_overflow): New function.
3791 (assign_stack_local_1): Call it to detect that the offset overflows.
3792 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3794 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3796 * config/sh/sh.c: Include alloc-pool.h.
3797 (label_ref_list_pool): New alloc pool.
3798 (label_ref_list_t): New type for lists of labels.
3799 (struct pool_node): Make wend a label_ref_list_t.
3800 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3802 (dump_table): Likewise.
3803 (sh_reorg): Set up the alloc pool before using add_constant and
3804 dump_table, and destroy it when finishing.
3806 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3808 * config/mips/mips.c: Remove redundant comment.
3810 2006-03-10 Jason Merrill <jason@redhat.com>
3813 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3814 the target was declared 'register'.
3816 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3818 * genpreds.c (write_insn_constraint_len): Change definition of
3819 insn_constraint_len to return size_t to match the declaration.
3821 2006-03-10 DJ Delorie <dj@redhat.com>
3823 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3825 (m32c_expand_insv): Fix test for an AND mask.
3827 2006-03-10 Richard Guenther <rguenther@suse.de>
3830 * builtins.c (get_pointer_alignment): Handle component
3831 references for field alignment.
3833 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3835 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3836 when building with libgloss.
3837 (sh*elf): Implement --without-fp option.
3838 (sh64-superh-linux*): Don't multilib.
3840 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3842 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3844 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3846 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3847 Set it when one of the replacement functions returned true.
3848 Return TODO_cleanup_cfg if cfgchanged is true.
3849 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3851 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3853 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3854 instead of gen_lowpart.
3856 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3858 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3860 (mips_output_order_conditional_branch): Declare.
3861 * config/mips/mips.h (MIPS_BRANCH): New macro.
3862 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3863 for the comparison. Use gen_condjump.
3864 (mips_output_conditional_branch): Rework interface to take the
3865 asm templates for a direct branch and the inverse of a direct branch.
3866 (mips_output_order_conditional_branch): New function.
3867 (mips_builtin_branch_and_move): New function.
3868 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3869 branch condition. Use gen_single_cc as the condition for
3870 __builtin_mips_upper_* or __builtin_mips_lower_*.
3871 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3872 Use VOIDmode for the branch condition.
3873 * config/mips/predicates.md (order_operator): New predicate.
3874 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3875 (branch_fp): Rename to...
3876 (*branch_fp): ...this. Remove mode from comparison operator.
3877 Use new mips_output_conditional_branch interface.
3878 (branch_fp_inverted): Rename to...
3879 (*branch_fp_inverted): ...this and update as for *branch_fp.
3880 (*branch_zero<mode>): Rename to...
3881 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3882 Use mips_output_order_conditional_branch. Only accept ordered
3884 (*branch_zero<mode>_inverted): Rename to...
3885 (*branch_order<mode>_inverted): ...this and update as for
3886 *branch_order<mode>.
3887 (*branch_equality<mode>): Accept zero as the second operand to
3888 the equality operator. Use the new mips_output_conditional_branch
3890 (*branch_equality<mode>_inverted): Likewise.
3891 (condjump): New expander.
3892 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3894 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3895 (bc1any2t, bc1any2f): Likewise.
3896 (single_cc): New expander.
3897 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3899 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3901 * doc/md.texi: Update documentation of MIPS constraints.
3902 * config/mips/constraints.md: New file.
3903 * config/mips/mips.md: Include it.
3904 * config/mips/mips.c (mips_char_to_class): Delete.
3905 (override_options): Don't initialize mips_char_to_class.
3906 * config/mips/mips.h (mips_char_to_class): Delete.
3907 (REG_CLASS_FROM_LETTER): Delete.
3908 (CONST_OK_FOR_LETTER_P): Delete.
3909 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3910 (EXTRA_CONSTRAINT_Y): Delete.
3911 (EXTRA_CONSTRAINT_STR): Delete.
3912 (CONSTRAINT_LEN): Delete.
3913 (EXTRA_MEMORY_CONSTRAINT): Delete.
3915 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3917 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3918 original fn's eh regions.
3920 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3922 * fold-const.c (build_range_check): Make sure to use a valid type to
3923 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3926 (range_predecessor): New static function.
3927 (range_successor): Likewise.
3928 (merge_ranges): Use them to compute predecessors and successors of
3931 2006-03-09 Roger Sayle <roger@eyesopen.com>
3934 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3935 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3937 2006-03-08 DJ Delorie <dj@redhat.com>
3939 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3940 (addpsi3): Expand to include memory operands. Remove
3941 reload-specific splits.
3942 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3943 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3944 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3945 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3946 (shift1_qi, shift1_hi, insv): New.
3947 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3948 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3949 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3951 * config/m32c/m32c-protos.h: Update as needed.
3952 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3953 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3954 Fail for unrecognized R* constraints.
3955 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3956 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3957 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3959 (m32c_init_libfuncs): New.
3960 (m32c_legitimate_address_p): Add debug wrapper.
3961 (m32c_rtx_costs): New.
3962 (m32c_address_cost): New.
3963 (conversions): Add 'B' prefix.
3964 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3965 operands, or word regnames for QI operands. 'B' prints bit
3967 (m32c_expand_setmemhi): New.
3968 (m32c_expand_movmemhi): New.
3969 (m32c_expand_movstr): New.
3970 (m32c_expand_cmpstr): New.
3971 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3972 (m32c_expand_neg_mulpsi3): Handle non-ints.
3973 (m32c_cmp_flg_0): New.
3974 (m32c_expand_movcc): New.
3975 (m32c_expand_insv): New.
3976 (m32c_scc_pattern): New.
3977 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3978 a0/a1 out of SIregs.
3979 (STORE_FLAG_VALUE): New.
3980 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3983 * config/m32c/mov.md: Make constraints more liberal.
3984 (zero_extendqihi2): Optimize r0/r1 case.
3985 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3986 * config/m32c/predicates.md (m32c_any_operand): New.
3987 (m32c_nonimmediate_operand): New.
3988 (m32c_hl_operand): New.
3989 (m32c_r3_operand): New.
3992 (memsym_operand): New.
3993 (memimmed_operand): New.
3994 (a_qi_operand): New.
3995 (m32c_eqne_operator): New.
3996 (m32c_1bit8_operand): New.
3997 (m32c_1bit16_operand): New.
3998 (m32c_1mask8_operand): New.
3999 (m32c_1mask16_operand): New.
4000 * config/m32c/blkmov.md: New file.
4001 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4003 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4005 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4006 unsigned to fix signed/unsigned comparison issue in
4007 DWARF2_FRAME_REG_OUT.
4008 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4009 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4011 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4012 of ptr into the ENABLE_CHECKING section.
4014 2006-03-08 Jeff Law <law@redhat.com>
4016 * tree-vrp.c (infer_value_range): Only count pointer uses
4017 and dereferences if -fdelete-null-pointer-checks is enabled.
4019 * tree-vrp.c (find_assert_locations): Infer value ranges for
4020 single use pointers, but do not create ASSERT_EXPRs for them.
4021 When a non-null range is inferred for a pointer, backwards
4022 propagate that range to other equivalent pointers through the
4025 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4028 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4029 language hook targets.
4030 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4031 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4032 if language hook targets were missing.
4034 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4036 * tree-ssa-opfinalize.h: Removed.
4037 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4039 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4040 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4041 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4042 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4043 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4044 finalize_ssa_v_must_def_ops): New.
4046 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4048 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4051 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4053 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4055 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4056 addresses with offsets; reorganize.
4058 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4059 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4060 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4062 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4065 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4067 2006-03-08 Ben Elliston <bje@au.ibm.com>
4069 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4071 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4074 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4077 2006-03-07 Richard Guenther <rguenther@suse.de>
4079 PR tree-optimization/26587
4080 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4082 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4084 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4086 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4088 * hooks.c (hook_bool_mode_rtx_true): New function.
4089 * hooks.h (hook_bool_mode_rtx_true): Declare.
4090 * toplev.c (compile_file): Call output_shared_constant_pool.
4091 * varasm.c (shared_constant_pool): New variable.
4092 (assemble_start_function, assemble_end_function): Remove arguments
4093 from call to output_constant_pool.
4094 (create_constant_pool): New function, split out from...
4095 (init_varasm_status): ...here.
4096 (force_const_mem): Choose between the shared and per-function constant
4097 pools. Set current_function_uses_const_pool when reusing old entries
4098 as well as when creating new ones.
4099 (mark_constant): Ignore data argument.
4100 (mark_constants): Remove pool argument.
4101 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4102 to decide whether the function uses a constant pool.
4103 (output_constant_pool_contents): New function, split out from...
4104 (output_constant_pool): ...here.
4105 (output_shared_constant_pool): New function.
4106 (init_varasm_once): Initialize shared_constant_pool.
4107 * output.h (output_constant_pool): Delete.
4108 (output_shared_constant_pool): Declare.
4109 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4110 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4112 2006-03-06 Nick Clifton <nickc@redhat.com>
4114 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4115 flag_strength_reduce.
4117 2006-03-06 Ben Elliston <bje@au.ibm.com>
4119 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4120 x86_64-*-linux* configurations.
4122 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4123 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4125 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4127 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4129 * basic-block.h: Remove the extern for
4130 rediscover_loops_after_threading.
4132 * cfgloop.c (cancel_loop): Make it static.
4133 * cfgloop.h: Remove the prototype for cancel_loop.
4135 * flow.c (recompute_reg_usage): Make it static.
4136 * rtl.h: Remove the prototype for recompute_reg_usage.
4138 * function.c (use_return_register): Make it static.
4139 * function.h: Remove the prototype.
4141 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4143 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4145 * recog.h: Remove the prototype for
4146 validate_change_maybe_volatile.
4148 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4150 * rtlanal.c (replace_reg): Remove.
4151 * rtl.h: Remove the prototype for replace_reg.
4153 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4155 * regclass.c (reg_scan_update): Remove.
4156 (reg_scan_mark_refs): Remove the last argument.
4157 * rtl.h: Remove the prototype for reg_scan_update.
4159 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4161 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4162 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4163 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4164 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4165 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4166 loop-invariant.c, omp-low.c, opts.c, passes.c,
4167 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4168 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4169 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4170 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4171 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4172 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4174 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4176 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4177 * dwarf2out.h: Remove the prototype for
4178 dwarf2out_add_library_unit_info.
4180 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4182 * tree.c (add_var_to_bind_expr): Remove.
4183 * tree.h: Remove the prototype for add_var_to_bind_expr.
4185 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4187 * regclass.c (n_non_fixed_regs): Remove.
4188 (init_reg_sets_1, globalize_reg): Remove all uses of
4190 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4192 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4194 * rtlanal.c (insns_safe_to_move_p): Remove.
4195 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4197 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4199 * expmed.c (expand_mult_add): Remove.
4200 * expr.h: Remove the prototype for expand_mult_add.
4202 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4204 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4205 and REG_SAVED_VAL_EXP constants.
4206 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4207 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4208 Handle regs stored by value.
4209 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4210 (execute_cfa_program): Handle DW_CFA_val_offset,
4211 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4212 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4213 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4214 (uw_install_context_1): Handle target regs stored by value.
4216 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4218 * tree-sra.c (tree_sra): Return todoflags;
4219 (generate_one_element): Set TODO_update_smt_usage if needed.
4220 (pass_sra): Remove TODO_update_smt_usage.
4221 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4223 (tree_ssa_forward_propagate_single_use_vars): Return
4224 TODO_update_smt_usage if we need to update SMT usage.
4225 (pass_forwprop): Remove TODO_update_smt_usage.
4227 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4229 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4230 (correct_use_link): Remove reference to get_stmt_operands.
4231 (update_stmt_operands): Likewise.
4232 (get_modify_expr_operands): New function factored out of
4233 parse_ssa_operands and get_expr_operands.
4234 Try to create V_MUST_DEFs for LHS by default.
4235 (get_expr_operands) <case MODIFY_EXPR>: Call
4236 get_modify_expr_operands.
4237 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4238 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4239 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4240 get_modify_expr_operands.
4242 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4244 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4245 * tree-flow.h: Remove the prototype for
4246 referenced_var_lookup_if_exists.
4248 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4250 PR rtl-optimization/26345
4252 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4254 2006-03-03 Roger Sayle <roger@eyesopen.com>
4256 PR tree-optimization/26524
4257 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4258 fold_convert to create a constant of the appropriate type.
4260 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4262 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4263 SYMBOL_REF_IN_BLOCK_P.
4264 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4265 of SYMBOL_FLAG_IN_BLOCK.
4266 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4267 instead of SYMBOL_REF_IN_BLOCK_P.
4268 * explow.c (use_anchored_address): Likewise.
4269 * rtl.c (rtx_size): Likewise.
4270 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4271 instead of SYMBOL_FLAG_IN_BLOCK.
4272 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4273 SYMBOL_REF_IN_BLOCK_P.
4274 (assemble_variable): Likewise.
4275 (output_constant_def_contents): Likewise.
4276 (output_constant_pool): Likewise.
4277 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4278 instead of SYMBOL_FLAG_IN_BLOCK.
4279 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4280 SYMBOL_REF_IN_BLOCK_P.
4281 (SYMBOL_REF_BLOCK): Likewise.
4282 (SYMBOL_REF_OFFSET): Likewise.
4283 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4284 SYMBOL_REF_IN_BLOCK_P.
4285 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4286 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4287 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4288 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4290 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4292 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4294 2006-03-02 Roger Sayle <roger@eyesopen.com>
4296 * simplify-rtx.c (simplify_unary_operation): When simplifying
4297 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4298 that we perform the right shift in the appropriate mode, and
4299 then extend or truncate the result to requested mode.
4301 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4303 * gengtype.c (main): Handle double_int type.
4304 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4305 * double-int.c: New file.
4306 * double-int.h: New file.
4307 * system.h: Include doubleint.h.
4308 * Makefile.in (SYSTEM_H): Include double-int.h.
4309 (double-int.o): Add.
4311 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4314 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4317 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4319 * tree-vrp.c (remove_range_assertions): Do not update statements
4322 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4324 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4326 * gcse.c (rest_of_handle_gcse): Ditto.
4327 * except.c (gate_handle_eh): Ditto.
4328 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4329 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4331 2006-03-02 Eric Christopher <echristo@apple.com>
4333 * config/i386/i386.c (machopic_output_stub): Add indirection to
4336 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4340 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4342 Sun Niagara specific optimizations.
4343 * config.gcc: Recognize niagara as target.
4344 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4345 (TARGET_CPU_niagara): Define.
4346 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4347 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4348 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4349 (ASM_CPU_SPEC): Likewise.
4350 (PROCESSOR_NIAGARA): New enum entry.
4351 (REGISTER_MOVE_COST): Handle Niagara.
4352 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4353 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4354 (sparc_override_options): Recognize "niagara", set appropriate
4355 default MASK_* values for it, and align functions to 32-bytes
4356 by default just like ULTRASPARC/ULTRASPARC3.
4357 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4358 (sparc64_initialize_trampoline): Likewise.
4359 (sparc_use_sched_lookahead): Use zero for niagara.
4360 (sparc_issue_rate): Use one for niagara.
4361 * config/sparc/niagara.md: New file.
4362 * config/sparc/sparc.md: Include it.
4363 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4364 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4365 when default cpu is niagara.
4366 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4367 (ASM_CPU_SPEC): Likewise.
4368 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4369 when default cpu is niagara.
4370 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4371 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4372 just like v9/ultrasparc/ultrasparc3.
4373 * doc/invoke.texi: Add documentation for "niagara" and improve
4374 existing documentation for ultrasparc variants.
4376 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4378 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4380 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4382 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4383 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4384 and say that only one is needed.
4385 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4386 * target.h (have_switchable_bss_sections): New hook.
4387 * explow.c (use_anchored_address): Check that the symbol is in a block.
4388 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4389 (bss_noswitch_section): New variables.
4390 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4391 (get_noswitch_section): New function.
4392 (get_block_for_section): Allow SECT to be null.
4393 (unlikely_text_section_p): Use SECTION_STYLE.
4394 (bss_initializer_p): New function.
4395 (get_variable_section): Move earlier in file. Take a new argument,
4396 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4397 Return one of the new *_sections in such cases.
4398 (get_block_for_decl): New function, extracting some logic from
4399 use_blocks_for_decl_p.
4400 (change_symbol_section): Remove in favor of...
4401 (change_symbol_block): ...this new function.
4402 (use_blocks_for_decl_p): Remove checks now performed by
4404 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4405 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4406 (emit_local, emit_bss, emit_common): ...these new functions.
4407 Return true if the alignment was honored.
4408 (emit_tls_common): New function.
4409 (asm_emit_uninitialised): Delete.
4410 (assemble_variable_noswitch): New function, split out from...
4411 (assemble_variable): ...here. Don't make decisions about common
4412 variables here. Globalize all public decls that go into non-common
4413 sections. Check whether SYMBOL_REF_BLOCK is null.
4414 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4415 (output_constant_pool): Likewise.
4416 (init_varasm_once): Initialize the new section variables.
4417 (have_global_bss_p): New function.
4418 (categorize_decl_for_section): Use bss_initializer_p.
4419 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4420 (place_block_symbol): Assert that the symbol must be in a block.
4421 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4422 (TARGET_INITIALIZER): Include it.
4423 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4424 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4425 (SECTION_MACH_DEP): Bump by two.
4426 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4427 (unnamed_section): Mention SECTION_UNNAMED in comment.
4428 (named_section): Likewise SECTION_NAMED.
4429 (noswitch_section_callback): New type.
4430 (noswitch_section): New structure.
4431 (section): Add a noswitch_section alternative.
4432 (SECTION_STYLE): New macro.
4433 (tls_comm_section, comm_section, lcomm_section): Declare.
4434 (bss_noswitch_section, have_global_bss_p): Declare.
4435 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4436 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4438 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4439 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4442 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4444 * gcc/tree-vrp.c (execute_vrp): Return value.
4445 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4446 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4447 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4448 (tree_lower_complex_O0): Ditto.
4449 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4450 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4451 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4452 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4453 (execute_tail_calls): Ditto.
4454 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4455 * gcc/tree.h (init_function_for_compilation): Ditto.
4456 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4457 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4458 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4459 * gcc/final.c (compute_alignments): Ditto.
4460 (rest_of_handle_final): Ditto.
4461 (rest_of_handle_shorten_branches): Ditto.
4462 (rest_of_clean_state): Ditto.
4463 * gcc/omp-low.c (execute_expand_omp): Ditto.
4464 (execute_lower_omp): Ditto.
4465 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4466 * gcc/ipa-reference.c (static_execute): Ditto.
4467 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4468 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4469 (rest_of_handle_machine_reorg): Ditto.
4470 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4471 * gcc/flow.c (recompute_reg_usage): Ditto.
4472 (rest_of_handle_remove_death_notes): Ditto.
4473 (rest_of_handle_life): Ditto.
4474 (rest_of_handle_flow2): Ditto.
4475 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4476 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4477 (do_ssa_store_ccp): Ditto.
4478 (execute_fold_all_builtins): Ditto.
4479 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4480 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4481 * gcc/ipa-pure-const.c (static_execute): Ditto.
4482 * gcc/cse.c (rest_of_handle_cse): Ditto.
4483 (rest_of_handle_cse2): Ditto.
4484 * gcc/web.c (rest_of_handle_web): Ditto.
4485 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4486 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4487 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4488 * gcc/tree-nrv.c (tree_nrv): Ditto.
4489 (execute_return_slot_opt): Ditto.
4490 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4491 (create_structure_vars): Ditto.
4492 * gcc/loop-init.c (rtl_loop_init): Ditto.
4493 (rtl_loop_done): Ditto.
4494 (rtl_move_loop_invariants): Ditto.
4495 (rtl_unswitch): Ditto.
4496 (rtl_unroll_and_peel_loops): Ditto.
4497 (rtl_doloop): Ditto.
4498 * gcc/gimple-low.c (lower_function_body): Ditto.
4499 (mark_used_blocks): Ditto.
4500 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4501 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4502 (cgraph_early_inlining): Ditto.
4503 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4504 * gcc/jump.c (cleanup_barriers): Ditto.
4505 (purge_line_number_notes): Ditto.
4506 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4507 (rest_of_handle_if_after_reload): Ditto.
4508 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4509 (tree_ssa_loop_im): Ditto.
4510 (tree_ssa_loop_unswitch): Ditto.
4511 (tree_vectorize): Ditto.
4512 (tree_linear_transform): Ditto.
4513 (tree_ssa_loop_ivcanon): Ditto.
4514 (tree_ssa_empty_loop): Ditto.
4515 (tree_ssa_loop_bounds): Ditto.
4516 (tree_complete_unroll): Ditto.
4517 (tree_ssa_loop_prefetch): Ditto.
4518 (tree_ssa_loop_ivopts): Ditto.
4519 (tree_ssa_loop_done): Ditto.
4520 * gcc/predict.c (tree_estimate_probability): Ditto.
4521 * gcc/recog.c (split_all_insns_noflow): Ditto.
4522 (rest_of_handle_peephole2): Ditto.
4523 (rest_of_handle_split_all_insns): Ditto.
4524 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4525 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4526 (rest_of_handle_stack_adjustments): Ditto.
4527 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4528 * gcc/function.c (instantiate_virtual_regs): Ditto.
4529 (init_function_for_compilation): Ditto.
4530 (rest_of_handle_check_leaf_regs): Ditto.
4531 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4532 (rest_of_handle_gcse): Ditto.
4533 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4534 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4535 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4536 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4537 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4538 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4539 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4540 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4541 * gcc/except.c (set_nothrow_function_flags): Ditto.
4542 (convert_to_eh_region_ranges): Ditto.
4543 (rest_of_handle_eh): Ditto.
4544 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4545 (remove_unnecessary_notes): Ditto.
4546 * gcc/except.h (set_nothrow_function_flags): Ditto.
4547 (convert_to_eh_region_ranges): Ditto.
4548 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4549 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4550 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4551 (execute_fre): Ditto.
4552 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4553 (rest_of_handle_jump2): Ditto.
4554 * gcc/tree-sra.c (tree_sra): Ditto.
4555 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4556 (execute_mudflap_function_decls): Ditto.
4557 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4558 (do_store_copy_prop): Ditto.
4559 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4560 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4561 * gcc/tree-ssa-forwprop.c
4562 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4563 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4564 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4565 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4566 (execute_late_warn_uninitialized): Ditto.
4567 * gcc/rtl.h (cleanup_barriers): Ditto.
4568 (split_all_insns_noflow): Ditto.
4569 (purge_line_number_notes): Ditto.
4570 (unshare_all_rtl): Ditto.
4571 (remove_unnecessary_notes): Ditto.
4572 (recompute_reg_usage): Ditto.
4573 (variable_tracking_main): Ditto.
4574 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4575 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4576 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4577 (execute_free_cfg_annotations): Ditto.
4578 (execute_fixup_cfg): Ditto.
4579 (execute_cleanup_cfg_pre_ipa): Ditto.
4580 (execute_cleanup_cfg_post_optimizing): Ditto.
4581 (execute_init_datastructures): Ditto.
4582 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4583 * gcc/combine.c (rest_of_handle_combine): Ditto.
4584 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4585 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4586 (rest_of_handle_reorder_blocks): Ditto.
4587 (rest_of_handle_partition_blocks): Ditto.
4588 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4589 * gcc/tree-profile.c (tree_profiling): Ditto.
4590 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4591 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4592 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4593 (rest_of_handle_sched2): Ditto.
4594 * gcc/basic-block.h (free_bb_insn): Ditto.
4595 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4596 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4597 (remove_useless_stmts): Ditto.
4598 (split_critical_edges): Ditto.
4599 (execute_warn_function_return): Ditto.
4600 (execute_warn_function_noreturn): Ditto.
4601 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4602 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4603 * gcc/passes.c (execute_one_pass): Run additional
4604 todos returned by execute function.
4605 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4608 2006-03-02 Richard Guenther <rguenther@suse.de>
4610 * tree-ssa-alias.c (find_used_portions): Consider taking
4611 the address as making the variable not write-only.
4613 2006-03-02 Nick Clifton <nickc@redhat.com>
4615 * config.gcc (default_use_cxa_atexit): Extend the description of
4616 this configure variable. Set its default value to "yes" for
4617 Linux, NetBSD and ELF targets on the assumption that they will
4618 use C libraries with the __cxa_atexit function.
4620 2006-03-02 Ben Elliston <bje@au.ibm.com>
4622 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4623 parameter as unused to suppress a build warning.
4625 2006-03-02 Ben Elliston <bje@au.ibm.com>
4627 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4630 2006-03-01 Roger Sayle <roger@eyesopen.com>
4633 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4634 declared name, the weak reference name, and the typeof name.
4635 (__gthrw): Avoid expanding the declared name suffix.
4636 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4638 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4640 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4642 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4643 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4644 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4645 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4646 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4647 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4648 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4649 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4650 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4651 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4652 (DW_END_default, DW_END_big, DW_END_little): New.
4653 (DW_END_lo_user, DW_END_hi_user): Define.
4654 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4655 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4656 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4659 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4661 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4663 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4665 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4667 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4669 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4670 to 'symbol_mem_tag'.
4672 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4675 2006-03-01 Roger Sayle <roger@eyesopen.com>
4677 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4679 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4682 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4683 MACHO_DYNAMIC_NO_PIC_P.
4684 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4686 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4689 * config/darwin-protos.h (darwin_asm_output_anchor):
4691 * config/darwin-sections.def (cstring_section):
4692 Add SECTION_MERGE to the flags.
4693 (literal4_section): Likewise.
4694 (literal8_section): Likewise.
4695 (objc_selector_refs_section): Likewise.
4696 (objc_cls_refs_section): Likewise.
4697 * config/darwin.c (darwin_asm_output_anchor): New
4699 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4701 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4703 Fix PR tree-optimization/26443
4704 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4705 to todo and PROP_tmt_usage to properties_destroyed.
4706 * tree-ssa-ccp.c (pass_ccp): Ditto.
4707 (pass_store_ccp): Ditto.
4708 * tree-ssa-dom.c (pass_dominator): Ditto.
4710 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4712 * tree-ssa-operands.c: Cleanup whitespace.
4713 (get_asm_expr_operands): Move before first invocation.
4714 (get_indirect_ref_operands): Likewise.
4715 (get_tmr_operands): Likewise.
4716 (get_call_expr_operands): Likewise.
4717 (append_def): Likewise.
4718 (append_use): Likewise.
4719 (append_v_may_def): Likewise.
4720 (append_v_must_def): Likewise.
4721 (add_call_clobber_ops): Likewise.
4722 (add_call_read_ops): Likewise.
4723 (add_stmt_operand): Likewise.
4724 (add_virtual_operand): Likewise.
4725 (build_ssa_operands): Likewise.
4727 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4732 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4733 with a call expr to ...
4734 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4736 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4738 * tree-vrp.c (extract_range_from_assert): Remove special
4739 handling for types with super-types.
4741 2006-03-01 Ben Elliston <bje@au.ibm.com>
4743 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4744 and powerpc64-*-linux* configurations.
4745 * config/t-dfprules: New file.
4747 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4748 Compile dfp-bit.c from the source directory using -DWIDTH and
4749 $DFP_CFLAGS to control the compilation of that file, rather than
4750 generating width-specific versions in the build directory.
4751 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4752 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4754 2006-02-28 Zack Weinberg <zackw@panix.com>
4756 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4759 2006-02-28 Eric Christopher <echristo@apple.com>
4761 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4762 Set up IN_LIBGCC definition of TARGET_64BIT.
4763 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4765 2006-02-28 Roger Sayle <roger@eyesopen.com>
4768 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4769 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4770 cases via the construction of "expr != 0".
4772 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4774 * alias.c (alias_invariant, alias_invariant_size): Remove.
4775 (record_base_value): Remove.
4776 (memrefs_conflict_p): Don't look at alias_invariant.
4777 (end_alias_analysis): Don't free it.
4778 * alias.h (record_base_value): Remove prototype.
4780 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4781 Adam Nemet <anemet@caviumnetworks.com>
4783 * rtl.h (truncated_to_mode): Declare it.
4784 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4785 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4786 (RTL_HOOKS_INITIALIZER): Include it.
4787 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4788 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4789 reg_truncated_to_mode.
4790 * rtlanal.c (truncated_to_mode): Define it.
4791 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4793 2006-02-28 Jeff Law <law@redhat.com>
4795 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4796 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4797 the range allowed by TYPE_PRECISION.
4799 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4801 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4803 PR tree-optimization/26419
4804 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4807 2006-02-27 Zack Weinberg <zackw@panix.com>
4809 * doc/md.texi: Fix typo in previous change.
4811 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4815 2006-02-27 Zack Weinberg <zackw@panix.com>
4817 * rtl.def (define_constraint, define_register_constraint)
4818 (define_memory_constraint, define_address_constraint): New MD forms.
4819 * gensupport.c (process_rtx): Put define_constraint etc on the
4821 * genpreds.c (process_define_predicate): Adjust comment. Validate
4822 the name, and call validate_exp to validate the expression.
4823 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4824 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4825 all callers changed.
4826 (validate_exp, needs_variable, struct constraint_data)
4827 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4828 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4829 (const_dbl_constraints, constraint_max_namelen)
4830 (have_register_constraints, have_memory_constraints)
4831 (have_address_constraints, have_address_constraints)
4832 (have_extra_constraints, have_const_int_constraints)
4833 (have_const_dbl_constraints, mangle, add_constraint)
4834 (process_define_constraint, process_define_register_constraint)
4835 (write_enum_constraint_num, write_lookup_constraint)
4836 (write_insn_constraint_len, write_regclass_for_constraint)
4837 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4838 (write_insn_extra_memory_constraint)
4839 (write_insn_extra_address_constraint)
4840 (write_satisfies_constraint_fns): New.
4841 (write_tm_preds_h): If we have new-style constraint definitions,
4842 prototype the functions generated from them, and define the
4843 old constraint interface (still used by generic code) in terms of
4845 (write_insn_preds_c): If we have new-style constraint definitions,
4846 generate all relevant functions from those definitions.
4847 (main): Handle define_constraint etc.
4848 * genoutput.c (struct constraint_data, indep_constraints)
4849 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4850 (mdep_constraint_len): New data structures and functions, defined
4851 #ifdef USE_MD_CONSTRAINTS.
4852 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4853 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4854 use new logic to validate operand constraints against constraint
4856 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4858 * defaults.h: If none of the old-style constraint macros are
4859 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4860 old-style macros; and poison REG_CLASS_FROM_LETTER,
4861 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4863 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4864 * doc/md.texi: Document new constraint-definition mechanism and the
4865 C interface it provides. Remove references to old mechanism
4866 elsewhere in the document.
4867 (Machine Constraints): Use pathnames relative to gcc directory,
4868 i.e. config/ARCH/FILE. Change i386 section to refer to
4869 config/i386/predicates.md; update that section to match docstrings.
4870 * doc/tm.texi: Move all documentation of the old constraint-
4871 definition macros to their own section, clearly mark as obsolete.
4873 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4874 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4876 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4877 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4878 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4880 (splits and peepholes): Use satisfies_constraint_*.
4881 * config/i386/i386.c (memory_address_length)
4882 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4884 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4886 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4887 scalar operation to be put back into the loop.
4889 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4892 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4893 (extract_cie_info): Handle S flag in augmentation string.
4894 (execute_cfa_program): If context->signal_frame, execute also
4895 fs->pc == context->ra instructions.
4896 (uw_frame_state_for): If context->signal_frame, don't subtract one
4897 from context->ra to find FDE.
4898 (uw_update_context_1): Set context->signal_frame to
4900 (_Unwind_GetIPInfo): New function.
4901 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4902 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4904 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4905 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4906 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4907 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4908 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4909 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4910 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4911 x86_64_fallback_frame_state): Set fs->signal_frame.
4912 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4913 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4914 (frob_update_context): Likewise. Workaround missing S flag in
4915 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4916 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4917 Remove the psw_addr + 1 hack.
4919 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4921 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4922 with aggregates here.
4923 (find_func_aliases): Remove code for &<aggregate> from here.
4925 2006-02-26 Roger Sayle <roger@eyesopen.com>
4927 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4928 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4929 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4932 2006-02-26 Roger Sayle <roger@eyesopen.com>
4935 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4937 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4939 * opts.c (decode_options): Do not handle flag_strength_reduce.
4940 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4941 and OPT_fstrength_reduce.
4942 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4943 flag_prefetch_loop_arrays for being nonzero.
4944 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4946 (fprefetch-loop-arrays-rtl): Removed.
4947 (flag_prefetch_loop_arrays): Do not specify the value.
4949 * doc/passes.texi: Update documentation of loop optimizer
4951 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4952 -frerun-loop-opt): Remove.
4954 2006-02-26 Richard Guenther <rguenther@suse.de>
4956 PR tree-optimization/26421
4957 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4958 in function calls that are ADDR_EXPRs as using the whole structure.
4960 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4962 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4963 * tree-pass.h (pass_loop_optimize): Remove.
4964 * passes.c (pass_loop_optimize): Never run it.
4965 * toplev.c (backend_init): Don't call init_loop.
4966 * opts.c (flag_loop_optimize_set): Remove.
4967 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4968 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4969 the old RTL loop optimizer when profiling enabled.
4970 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4971 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4972 pre-headers for the sake of the old RTL loop optimizer.
4973 * Makefile.in: Remove all references to loop.o.
4975 * doc/invoke.texi: Remove all references to -floop-optimize
4976 and -frerun-loop-opt.
4978 2006-02-26 Zack Weinberg <zackw@panix.com>
4980 * doc/md.texi (Machine Constraints): Refer to all files with paths
4981 relative to gcc directory (i.e. config/CPU/file). Add missing
4982 @table @code ... @end table to M32C subsection.
4984 2006-02-26 Roger Sayle <roger@eyesopen.com>
4986 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4988 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4990 2006-02-26 Roger Sayle <roger@eyesopen.com>
4991 James A. Morrison <phython@gcc.gnu.org>
4994 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4995 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4996 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4997 signedness of the shift operation.
4999 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5001 PR tree-optimization/26359
5002 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5004 2006-02-25 Roger Sayle <roger@eyesopen.com>
5006 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5007 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5008 as X == 0, and some symmetry related transformations.
5009 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5011 2006-02-25 Roger Sayle <roger@eyesopen.com>
5014 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5015 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5016 symmetry related transformations. Fold (X^C1) == C2 as
5019 2006-02-25 Juergen Weigert <jw@suse.de>
5020 Richard Guenther <rguenther@suse.de>
5022 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5024 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5026 * combine.c (gen_lowpart_or_truncate): Call
5027 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5029 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5031 * doc/invoke.texi: Move -fopenmp description to "Options for
5033 Remove reference to -lgomp.
5035 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5037 * doc/install.texi: Require GNU tar version 1.14.
5039 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5041 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5042 * doc/invoke.texi (C++ Dialect Options): Document
5043 -fno-use-cxa-get-exception-ptr.
5044 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5045 * configure: Regenerate.
5046 * c.opt (fuse-cxa-get-exception-ptr): New.
5047 * c-opts.c (c_common_handle_option): Handle
5048 OPT_fuse_cxa_get_exception_ptr.
5049 * c-common.c (flag_use_cxa_atexit): Update documentation.
5050 (flag_use_cxa_get_exception_ptr): New.
5051 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5052 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5054 (C_COMMON_OVERRIDE_OPTIONS): New.
5056 2006-02-24 Roger Sayle <roger@eyesopen.com>
5059 * combine.c (try_combine): Explicitly check whether GET_CODE is
5060 a SET or a CLOBBER, instead on checking that it isn't a USE.
5062 2006-02-24 Roger Sayle <roger@eyesopen.com>
5064 * fold-const.c (fold_comparison): New subroutine of fold_binary
5065 containing transformations common to both the equality and
5066 ordering relational operators, factored out of fold_binary.
5067 (fold_binary): Separate out the equality operators (EQ_EXPR
5068 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5069 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5070 transformations common to both.
5071 (fold_div_compare): Fix latent bugs in the previously unreachable
5072 LT_EXPR and GE_EXPR cases.
5074 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5076 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5077 decl libname for clog to __clog on AIX.
5079 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5081 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5084 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5085 output traceback table for thunks. Localise rs6000_stack_info call.
5087 2006-02-23 Roger Sayle <roger@eyesopen.com>
5088 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5090 * gthr-posix.h (__gthrw): Fix typo in comment.
5092 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5094 * doc/cpp.texi (Character sets): Document that we do support
5095 input files to be in any character set.
5097 2006-02-23 Jeff Law <law@redhat.com>
5099 * tree.h (PHI_ARG_NONZERO): Remove.
5100 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5101 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5102 node to the new node.
5104 PR tree-optimization/26425
5105 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5106 min/max, then assume its varying.
5108 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5110 PR rtl-optimization/26316
5111 * rtlanal.c (enum may_trap_p_flags): New.
5112 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5113 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5114 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5115 (may_trap_after_code_motion_p): New function.
5116 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5117 (find_invariant_insn): Use may_trap_after_code_motion_p.
5118 * rtl.h (may_trap_after_code_motion_p): Declare.
5120 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5122 * emit-rtl.c (immed_double_const): Cleanup.
5124 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5126 Fix PR tree-optimization/26376
5127 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5130 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5133 * gimplify.c (omp_add_variable): Guard variable size decl test with
5134 DECL_SIZE (decl) check.
5136 2006-02-23 Richard Guenther <rguenther@suse.de>
5139 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5140 like aggregate types.
5142 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5144 * configure.ac: Add --with{,out}-long-double-128 configure option.
5145 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5146 * configure: Rebuilt.
5147 * config.in: Rebuilt.
5148 * doc/install.texi (Options specification): Document
5149 --with-long-double-128.
5151 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5152 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5153 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5154 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5156 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5158 * config/s390/s390.c (override_options): Handle
5159 TARGET_DEFAULT_LONG_DOUBLE_128.
5161 * config/alpha/alpha.c (override_options): Handle
5162 TARGET_DEFAULT_LONG_DOUBLE_128.
5164 * config/sparc/sparc.c (sparc_override_options): Handle
5165 TARGET_DEFAULT_LONG_DOUBLE_128.
5167 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5169 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5170 (real-install-headers-tar, real-install-headers-cpio)
5171 (real-install-headers-cp): New targets.
5173 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5175 * tree.h (variable_section): Delete.
5176 * varasm.c (variable_section): Delete.
5178 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5180 * install.texi: Add notes on install.texi2html.
5181 (Building in parallel): Do not use footnotes.
5183 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5186 * doc/install.texi (Configuration): Document --disable-libgomp.
5188 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5190 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5192 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5194 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5195 (vec_extractv2df_0_sse): New.
5197 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5199 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5200 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5201 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5202 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5203 to the result of the expression.
5204 (def_cfa_1): Adjust.
5205 (frame_pointer_cfa_offset): Rename to...
5206 (frame_pointer_fb_offset): ... this. Adjust all uses.
5207 (convert_cfa_to_loc_list): Rename to...
5208 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5209 Pass it on to build_cfa_loc.
5210 (compute_frame_pointer_to_cfa_displacement): Rename to...
5211 (compute_frame_pointer_to_fb_displacement): ... this. New
5212 offset parameter. Use it in computation.
5213 (gen_subprogram_die): Compute cfa_fb_offset with the new
5214 macro, and use it to compute the fb loc list and the
5217 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5219 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5220 replaced with register_operand.
5221 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5222 non-DREG is expensive.
5223 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5224 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5227 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5229 * doc/install.texi2html: Use set -e.
5231 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5233 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5234 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5235 * doc/invoke.texi (-fshared-data): Delete.
5236 * common.opt (fshared-data): Delete.
5237 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5238 (assemble_static_space): Remove #if 0 code.
5239 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5240 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5241 * config/cris/cris.h: Remove FIXME.
5243 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5245 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5248 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5251 * combine.c (simplify_shift_const_1): Disable nested shifts
5252 optimization for vector shifts.
5254 2006-02-20 Roger Sayle <roger@eyesopen.com>
5256 PR tree-optimization/26361
5257 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5258 of unsigned integer types.
5260 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5262 * tree-chrec.c (eq_evolutions_p): New.
5263 * tree-chrec.h (eq_evolutions_p): Declared.
5264 * tree-data-ref.c: Fix formatting.
5265 (datadep_stats, dependence_stats): New.
5267 (print_direction_vector): New.
5268 (dump_data_dependence_relation): Use print_direction_vector.
5269 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5270 (compute_subscript_distance): Static.
5271 (initialize_data_dependence_relation): Static. Get the number
5272 of loops surrounding the references from the callers, and initialize
5273 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5274 base_object_differ_p analyzers.
5275 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5276 compute_overlap_steps_for_affine_1_2,
5277 analyze_subscript_affine_affine): Count the classified dependences.
5278 Print a message when a test failed.
5279 (can_use_analyze_subscript_affine_affine): New.
5280 (analyze_siv_subscript): Compute the data dependences on symbolic
5281 scevs that verify can_use_analyze_subscript_affine_affine.
5282 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5283 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5284 Handle symbolic scevs.
5285 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5287 (subscript_dependence_tester): Moved...
5288 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5289 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5290 DDR_SIZE_VECT instead of getting it in parameter.
5291 (subscript_dependence_tester): ... here. Take as a parameter
5292 loop_nest_depth. Call build_classic_dist_vector and
5293 build_classic_dir_vector.
5294 (compute_affine_dependence): Update subscript_dependence_tester
5295 parameters. Update datadep_stats counters. Call
5296 compute_subscript_distance.
5297 (compute_self_dependence): Save the dist and dir vectors. Call
5298 compute_subscript_distance.
5299 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5300 (compute_all_dependences): Reorder parameters as they were before
5301 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5302 compute_subscript_distance. Update the use of
5303 compute_affine_dependence and initialize_data_dependence_relation.
5304 (find_data_references_in_loop): Handle COMPONENT_REF.
5305 (compute_data_dependences_for_loop): Initialize dependence_stats.
5306 Don't call build_classic_dist_vector and build_classic_dir_vector.
5307 Update the parameters of initialize_data_dependence_relation and
5308 compute_all_dependences. Print the statistics from datadep_stats.
5309 (analyze_all_data_dependences): Static. Not used until the pass for
5310 checking the data dependences is contributed.
5311 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5312 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5313 (initialize_data_dependence_relation, compute_affine_dependence,
5314 analyze_all_data_dependences, compute_subscript_distance): Removed.
5315 (print_direction_vector): New.
5316 * lambda.h (gcd): ... here.
5317 (lambda_vector_gcd): Moved here from gcd_vector.
5318 * lambda-code.c (gcd, gcd_vector): Removed.
5319 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5320 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5322 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5324 * ipa-type-escape.c: Tidy some comments and white space.
5325 * tree-ssa-operands.c: Likewise.
5327 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5330 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5331 (dump_decl_name): Do not walk the decl tree chains.
5332 * tree-pass.h (TDF_CHAIN): Remove.
5334 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5336 * Makefile.in (C): Remove
5338 (.PHONY): Remove C and PROTO
5340 2006-02-20 Roger Sayle <roger@eyesopen.com>
5343 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5344 deprecated CHAR_TYPE tree code.
5346 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5348 * configure.ac (target_list): Add install-info, dvi, html.
5349 * configure: Regenerate.
5351 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5352 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5353 treelang/Make-lang.in: Do not use double-colon rules.
5355 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5357 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5358 (TMT_USED_ALONE): New macro.
5359 * tree-pass.h (PROP_tmt_usage): New property.
5360 (TODO_update_tmt_usage): New todo.
5361 * tree-ssa-alias.c (updating_used_alone): New variable.
5362 (recalculate_used_alone): New function.
5363 (compute_may_aliases): Set updating_used_alone, call
5364 recalculate_used_alone.
5365 * tree-sra.c (pass_sra): Note that this pass destroys
5366 PROP_tmt_usage, and add TODO_update_tmt_usage.
5367 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5368 * tree-flow.h (updating_used_alone): Prototype.
5369 (recalculate_used_alone): Ditto.
5370 * passes.c (execute_todo): Add code to set updating_used_alone,
5371 and call recalculate.
5372 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5373 for clobber if used alone, and add assert to verify used_alone
5376 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5378 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5379 for non tls symbols added.
5380 (legitimize_address): Do nothing for PLUS expressions if one of the
5381 addends is a tls symbol reference.
5383 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5387 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5389 * Makefile.in (BOOTSTRAPPING): New.
5390 (quickstrap): New definition if BOOTSTRAPPING=yes.
5392 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5393 * configure.ac: Substitute all_selected_languages with the languages
5394 that were configured. For all the other variables except
5395 lang_specs_files, include all the languages in the tree.
5396 * configure: Regenerate.
5398 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5399 if there is one. Run the commands to run fixincludes in the same
5402 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5403 * doc/install.texi: Document exact conventions for searching target tools.
5404 Document --with-build-time-tools. Document toplevel bootstrap. Document
5405 something more about building an Ada cross-compiler. Don't list GNU Make
5406 requirements which affect all platforms.
5408 2006-02-19 Roger Sayle <roger@eyesopen.com>
5411 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5412 only equivalent if the have both the same mode and precision.
5414 2006-02-20 Ben Elliston <bje@au.ibm.com>
5416 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5418 2006-02-19 Roger Sayle <roger@eyesopen.com>
5419 Steven Bosscher <stevenb.gcc@gmail.com>
5421 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5422 constant pool references to identify stack mode constants.
5423 * rtlanal.c (constant_pool_constant_p): New predicate to check
5424 whether operand is a floating point constant in the pool.
5425 * rtl.h (constant_pool_constant_p): Prototype here.
5426 * loop.c (scan_loop): Avoid hoisting constants from the constant
5427 pool on STACK_REGS targets.
5428 (load_mems): Likewise.
5429 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5430 loads into x87 registers expensive in terms of register pressure.
5432 2006-02-19 Roger Sayle <roger@eyesopen.com>
5434 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5435 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5437 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5439 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5440 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5442 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5444 * doc/invoke.texi: Document -fipa-pta.
5445 * common.opt: Add ipa-pta option.
5446 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5447 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5448 (do_ds_constraint): Ditto.
5449 (get_constraint_for): Only add to referenced_vars if
5450 referenced_vars exists.
5451 (insert_into_field_list): Rewrite to do this unsorted.
5452 (insert_into_field_list_sorted): Rename old insert_into_field_list
5454 (create_function_info_for): Use insert_into_field_list_sorted.
5455 (create_variable_info_for): Rewrite so it uses unsorted version,
5456 since the field list is sorted.
5457 (intra_create_variable_infos): Only add to referenced_vars if
5458 referenced_vars exists.
5459 (ipa_pta_execute): Init heapvars, and delete when done.
5460 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5462 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5464 * doc/install.texi: Add missing `@samp'.
5466 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5468 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5471 2006-02-18 Mark Wielaard <mark@klomp.org>
5473 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5474 who added new 4.1 features, bug fixes and integration support.
5476 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5479 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5482 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5484 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5485 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5486 (copy_insn_1): Likewise. Don't copy each field individually.
5488 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5490 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5491 * rtl.c (rtx_size): Rename variable to...
5492 (rtx_code_size): ...this.
5493 (rtx_size): New function.
5494 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5495 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5497 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5498 * rtl.h (rtx_code_size): New variable.
5499 (rtx_size): Change from a variable to a function.
5500 (RTX_SIZE): Rename to...
5501 (RTX_CODE_SIZE): ...this.
5504 PR tree-optimization/17106
5505 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5506 (Anchored Addresses): New section.
5507 * doc/invoke.texi (-fsection-anchors): Document.
5508 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5509 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5510 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5511 * hooks.c (hook_bool_mode_rtx_false): New function.
5512 * hooks.h (hook_bool_mode_rtx_false): Declare.
5513 * gengtype.c (create_optional_field): New function.
5514 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5515 SYMBOL_REF_IN_BLOCK_P is true.
5516 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5517 (min_anchor_offset, max_anchor_offset): Likewise.
5518 (use_anchors_for_symbol_p): New hook.
5519 * toplev.c (compile_file): Call output_object_blocks.
5520 (target_supports_section_anchors_p): New function.
5521 (process_options): Check that -fsection-anchors is only used on
5522 targets that support it and when -funit-at-a-time is in effect.
5523 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5524 if the decl doesn't have one.
5525 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5526 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5527 of force_const_mem through use_anchored_address.
5528 (expand_expr_constant): New function.
5529 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5530 calling expand_expr for INDIRECT_REF.
5531 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5532 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5533 * expr.h (use_anchored_address): Declare.
5534 * loop-unroll.c: Don't declare rtx vectors here.
5535 * explow.c: Include output.h.
5536 (validize_mem): Call use_anchored_address.
5537 (use_anchored_address): New function.
5538 * common.opt (-fsection-anchors): New switch.
5539 * varasm.c (object_block_htab, anchor_labelno): New variables.
5540 (hash_section, object_block_entry_eq, object_block_entry_hash)
5541 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5542 (use_blocks_for_decl_p, change_symbol_section): New functions.
5543 (get_variable_section): New function, split out from assemble_variable.
5544 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5545 use_blocks_for_decl_p say so. Use change_symbol_section if the
5546 symbol has already been created.
5547 (assemble_variable_contents): New function, split out from...
5548 (assemble_variable): ...here. Don't output any code for
5549 block symbols; just pass them to place_block_symbol.
5550 Use get_variable_section and assemble_variable_contents.
5551 (get_constant_alignment, get_constant_section, get_constant_size): New
5552 functions, split from output_constant_def_contents.
5553 (build_constant_desc): Create a block symbol if use_object_blocks_p
5554 says so. Or into SYMBOL_REF_FLAGS.
5555 (assemble_constant_contents): New function, split from...
5556 (output_constant_def_contents): ...here. Don't output any code
5557 for block symbols; just pass them to place_section_symbol.
5558 Use get_constant_section and get_constant_alignment.
5559 (force_const_mem): Create a block symbol if use_object_blocks_p and
5560 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5561 (output_constant_pool_1): Add an explicit alignment argument.
5562 Don't switch sections here.
5563 (output_constant_pool): Adjust call to output_constant_pool_1.
5564 Switch sections here instead. Don't output anything for block symbols;
5565 just pass them to place_block_symbol.
5566 (init_varasm_once): Initialize object_block_htab.
5567 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5568 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5569 (place_block_symbol, get_section_anchor, output_object_block)
5570 (output_object_block_htab, output_object_blocks): New functions.
5571 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5572 (TARGET_ASM_OUT): Include it.
5573 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5574 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5575 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5576 (TARGET_INITIALIZER): Include them.
5577 * rtl.c (rtl_check_failed_block_symbol): New function.
5578 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5579 (block_symbol, object_block): New structures.
5580 (rtx_def): Add a block_symbol field to the union.
5581 (BLOCK_SYMBOL_CHECK): New macro.
5582 (rtl_check_failed_block_symbol): Declare.
5583 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5584 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5585 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5586 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5587 * output.h (output_section_symbols): Declare.
5588 (object_block): Name structure.
5589 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5590 (default_use_anchors_for_symbol_p): Declare.
5591 * Makefile.in (RTL_BASE_H): Add vec.h.
5592 (explow.o): Depend on output.h.
5593 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5594 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5595 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5596 (rs6000_use_blocks_for_constant_p): New function.
5598 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5600 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5602 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5605 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5608 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5610 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5614 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5617 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5618 instead of DECL_REGISTER.
5620 2006-02-18 Olivier Hainque <hainque@adacore.com>
5623 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5625 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5628 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5629 * opth-gen.awk: Handle Var and InverseMask together.
5630 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5631 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5632 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5633 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5635 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5636 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5637 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5638 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5639 LINUX_DYNAMIC_LINKER): Define.
5640 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5641 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5643 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5644 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5645 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5647 (TARGET_C99_FUNCTIONS): Don't define.
5648 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5649 GLIBC_DYNAMIC_LINKER.
5650 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5651 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5652 GLIBC_DYNAMIC_LINKER64): Define.
5653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5654 LINUX_DYNAMIC_LINKER64.
5655 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5656 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5657 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5658 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5659 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5660 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5661 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5662 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5663 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5665 and LINUX_DYNAMIC_LINKER32.
5666 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5667 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5668 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5670 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5672 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5673 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5674 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5675 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5676 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5677 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5678 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5679 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5680 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5681 LINUX_DYNAMIC_LINKER): Define.
5682 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5683 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5684 GLIBC_DYNAMIC_LINKER64): Define.
5685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5686 LINUX_DYNAMIC_LINKER64.
5687 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5688 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5689 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5690 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5691 LINUX_DYNAMIC_LINKER): Define.
5692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5693 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5694 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5695 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5696 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5697 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5698 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5699 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5700 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5701 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5702 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5703 * doc/invoke.texi (-muclibc): Remove caveat about supported
5706 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5708 * doc/cpp.texi (__TIMESTAMP__): Document.
5710 2006-02-17 Roger Sayle <roger@eyesopen.com>
5713 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5714 C is one less than the width of X (and related transformations).
5715 * simplify-rtx.c (simplify_unary_operation_1): Transform
5716 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5717 depending on STORE_FLAG_VALUE, were C is one less then the
5720 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5722 Fix PR tree-optimization/26341
5723 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5724 about NAME_MEMORY_TAG's.
5726 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5729 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5730 with hardware float support, and software float support. Add fcpy
5731 alternative to hardware patterns. Add alternatives to copy between
5732 general and floating-point registers to the 32-bit pattern.
5733 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5734 secondary reload to load a QI or HI mode constant into a floating
5736 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5737 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5739 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5742 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5744 (load_macho_picbase_di): Likewise.
5746 2006-02-16 Jeff Law <law@redhat.com>
5748 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5749 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5750 (ssa_name_nonzero_p): Likewise.
5751 (get_value_range): Return NULL if VRP is not running.
5752 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5753 VRP routines do not discover a range.
5754 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5755 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5756 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5757 (tree_expr_nonnegative_p): Similarly.
5758 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5759 (restore_nonzero_vars_to_original_value): Remove.
5760 (unsafe_associative_fp_binop): Remove.
5761 (tree_ssa_dominator_optimize): Remove initialization and
5762 finalization of nonzero_vars and nonzero_vars_stack.
5763 (dom_opt_initialize_block): No longer push marker on
5765 (dom_opt_finalize_block): No longer call
5766 restore_nonzero_vars_to_original_value.
5767 (record_equivalences_from_phis): No longer look for
5768 nonzero PHI arguments.
5769 (cprop_into_successor_phis): No longer propagate nonzero
5770 property into PHI arguments. Lose unused argument. Caller
5772 (record_equivalences_from_stmt): No longer record nonzero
5773 values for SSA_NAMEs.
5774 (lookup_avail_expr): No longer use nonzero_vars.
5776 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5777 for sizetype when sizetype is unsigned.
5779 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5781 PR rtl-optimization/25603
5782 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5783 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5784 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5785 with new meaning of SETS.
5787 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5792 * config/linux.opt: New file.
5793 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5794 LINUX_DYNAMIC_LINKER): Define.
5795 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5796 * config.gcc (*-*-linux*): Define extra_options.
5797 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5798 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5799 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5800 GLIBC_DYNAMIC_LINKER.
5801 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5802 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5803 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5804 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5805 * doc/invoke.texi (GNU/Linux Options): New section.
5807 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5809 * config/sparc/sparc.md (setjmp): Rewrite.
5810 (setjmp_32): Delete.
5811 (setjmp_64): Likewise.
5813 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5815 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5818 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5820 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5823 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5825 PR rtl-optimization/26296
5826 * Makefile.in (loop-invariant.c): Add except.h dependency.
5827 * loop-invariant.c: Include except.h.
5828 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5830 2005-02-16 Paul Brook <paul@codesourcery.com>
5832 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5835 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5837 PR rtl-optimization/25636
5838 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5839 when deciding whether an insn is an initializing insn.
5841 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5843 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5844 (tree_code_size): Ditto.
5845 * tree.h (struct tree_memory_tag): Remove parent_var.
5846 (struct tree_struct_field_tag): New.
5849 (union tree_node): Add sft member.
5850 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5852 (create_sft): Add size and offset argument, set SFT_OFFSET and
5854 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5855 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5856 * tree-flow-inline.h (get_subvar_at): Update for
5857 SFT_OFFSET/SFT_SIZE.
5858 (var_can_have_subvars): Ditto.
5859 (overlap_subvar): Ditto.
5860 * print-tree.c (print_node): Print out interesting things for
5862 * tree-flow.h (struct subvar): Remove offset and size members.
5863 * tree-ssa-operands.c (get_expr_operands): Update for
5864 get_indirect_ref_operands changes.
5865 (get_indirect_ref_operands): Call add_virtual_operand instead of
5866 add_stmt_operand. Only recurse on base var if requested.
5867 (access_can_touch_variable): New function.
5868 (add_stmt_operand): Split virtual operand handling into ...
5869 (add_virtual_operand): Here. Add offset, size, and for_clobber
5870 arguments. Prune alias sets.
5871 (add_call_clobber_ops): Call add_virtual_operand.
5873 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5876 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5878 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5879 than TREE_CODE as index into omp_clause_num_ops array.
5881 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5883 PR rtl-optimization/26184
5884 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5886 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5887 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5888 must_precede, must_follow and tobe_scheduled.
5891 * opts.c (common_handle_option): Free new_option pointer.
5892 * df-core.c (df_analyze): Free postorder pointer.
5894 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5896 * Makefile.in: Fix the examples about the use of stamps
5898 2006-02-15 Michael Matz <matz@suse.de>
5902 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5903 influenced by maximum_field_alignment or DECL_PACKED.
5904 (update_alignment_for_field): Ditto.
5905 (place_field): Ditto.
5906 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5909 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5911 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5912 (debug_flow_info): Pass it.
5913 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5914 * bb-reorder.c (reorder_basic_blocks): Likewise.
5915 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5916 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5917 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5918 * gcse.c (gcse_main, bypass_jumps): Likewise.
5919 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5920 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5921 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5922 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5923 * rtl.h (dump_flow_info): Adjust prototype.
5924 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5925 * var-tracking.c (variable_tracking_main): Likewise.
5926 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5927 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5930 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5932 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5935 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5937 PR tree-optimization/26209
5938 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5939 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5941 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5943 2006-02-14 Roger Sayle <roger@eyesopen.com>
5946 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5947 (X,Y) and the corresponding symmetry related transformations.
5948 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5949 (X,Y) and its symmetry related transformations.
5951 2006-02-14 Roger Sayle <roger@eyesopen.com>
5953 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5956 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5958 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5960 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5963 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5964 support COMDAT group.
5965 * configure: Regenerate.
5967 2006-02-14 Roger Sayle <roger@eyesopen.com>
5972 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5974 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5976 Fix PR tree-optimization/26260
5978 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5980 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5981 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5982 * tree-ssa-structalias.c (create_variable_info_for): Use
5983 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5985 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5987 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5989 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5990 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5991 of the ending condition.
5992 * tree-ssa-loop-manip.c: Include params.h.
5993 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5994 tree_unroll_loop): New functions.
5995 * tree-pass.h (pass_loop_prefetch): Declare.
5996 * loop.c (rest_of_handle_loop_optimize): Test for
5997 -fprefetch-loop-arrays-rtl.
5998 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5999 * timevar.def (TV_TREE_PREFETCH): New timevar.
6000 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6001 pass_loop_prefetch): New.
6002 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6003 (cleanup_tree_cfg_loop): Call scev_reset.
6004 * common.opt (fprefetch-loop-arrays-rtl): Add.
6005 * tree-ssa-loop-prefetch.c: New file.
6006 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6007 (new_temp_expr_table): Initialize expr_vars.
6008 (free_temp_expr_table): Cleanup expr_vars.
6009 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6010 expressions from being merged into one.
6011 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6012 (struct tree_niter_desc): Add control, bound and cmp fields.
6013 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6015 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6016 (tree-cfgcleanup.o): Add SCEV_H dependency.
6017 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6018 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6020 2006-02-14 Richard Guenther <rguenther@suse.de>
6022 PR tree-optimization/26258
6023 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6024 in PHI argument processing.
6026 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6028 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6029 new expression in the requested machine mode.
6031 2006-02-13 Roger Sayle <roger@eyesopen.com>
6033 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6034 directly, instead let do_compare_rtx_and_jump handle this for us.
6035 * expr.c (expand_expr_real_1): Likewise.
6036 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6037 before do_jump_by_parts_greater.
6038 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6039 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6041 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6043 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6045 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6047 PR rtl-optimization/26235
6048 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6049 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6052 2006-02-13 Jeff Law <law@redhat.com>
6054 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6057 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6060 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6061 twice if decl is a builtin. When trying again, call get_callee_fndecl
6062 first to verify it is still a builtin.
6064 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6066 * dwarf2out.c (base_type_die): Don't add AT_name here.
6067 (subrange_type_die): Don't add AT_name here.
6068 (modified_type_die): Rearrange code flow. Do add AT_name here.
6070 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6072 PR rtl-optimization/26247
6073 PR rtl-optimization/26248
6074 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6076 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6078 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6079 * config/fixtfdi.c: Likewise.
6080 * config/fixunstfdi.c: Likewise.
6081 * config/floatditf.c: Likewise.
6083 2006-02-13 Roger Sayle <roger@eyesopen.com>
6086 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6087 into (X,C2) if C1 is a subset of the bits of C2. Transform
6088 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6090 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6092 2006-02-13 Josh Conner <jconner@apple.com>
6095 * varasm.c (function_section): Check for section name before
6096 calling select_section on targets that define
6097 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6098 unlikely_text_section instead of hot_function_section if
6099 first_function_block_is_cold.
6101 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6104 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6106 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6108 PR rtl-optimization/26222
6109 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6110 after tree->rtl expansion.
6111 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6112 before passing it to emit_move_insn.
6114 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6116 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6118 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6119 Clarify documentation.
6120 * c-common.h (warn_write_strings): Remove.
6121 * c-common.c (warn_write_strings): Likewise.
6122 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6125 2006-02-12 Roger Sayle <roger@eyesopen.com>
6128 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6129 (do_jump_parts_zero_rtx): New function renamed from
6130 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6131 (do_jump_parts_equality_rtx): New function split out from
6132 do_jump_parts_equality. Old implementation renamed as above.
6133 Call do_jump_parts_zero_rtx if either operand is zero.
6134 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6135 do all of the heavy lifting.
6136 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6137 calling either do_jump_by_parts_greater_rtx or
6138 do_jump_by_parts_equality_rtx.
6139 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6140 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6141 moved to do_compare_rtx_and_jump, call it directly.
6142 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6143 mode argument. Call do_compare_rtx_and_jump.
6144 (emit_case_nodes): Update calls to do_jump_if_equal.
6146 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6148 PR rtl-optimization/26225
6149 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6151 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6153 PR rtl-optimization/26232
6154 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6156 2006-02-11 Jason Merrill <jason@redhat.com>
6159 * tree-inline.c (declare_return_variable): Just don't use the
6160 modify target if it's a gimple complex reg and the return slot
6163 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6165 * doc/contrib.texi: Update my entry.
6167 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6169 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6171 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6173 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6176 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6178 * doc/invoke.texi (-floop-optimize2): Removed.
6179 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6180 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6181 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6182 * common.opt (floop-optimize2): Removed.
6183 (fmove-loop-invariants): Enabled by default.
6185 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6187 * tree-if-conv.c (combine_blocks): Free the result of
6188 get_loop_exit_edges.
6190 2006-02-10 Jeff Law <law@redhat.com>
6192 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6194 PR tree-optimization/26213
6195 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6196 loop trying to follow SSA_NAME_VALUE chains.
6198 2006-02-10 Richard Guenther <rguenther@suse.de>
6200 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6201 deal with structures that end in implicitly variable sized arrays.
6203 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6205 PR rtl-optimization/24762
6206 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6209 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6211 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6212 (struct ivopts_data): Add regs_used field.
6213 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6214 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6215 instead of loop_data->regs_used;
6216 (free_loop_data): Do not free aux fields for loops.
6217 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6218 and tree_ssa_iv_optimize_finalize.
6220 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6222 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6224 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6227 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6228 computing the effective result type.
6230 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6233 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6234 (tree_overlaps_hard_reg_set): Declare.
6235 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6236 type and signature to match function type expected by walk_tree.
6237 (tree_overlaps_hard_reg_set): New function.
6238 (decl_conflicts_with_clobbers_p): Rename to:
6239 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6240 Use tree_overlaps_hard_reg_set. Changed caller.
6241 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6242 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6243 * cris.c (cris_md_asm_clobbers): Likewise.
6245 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6247 * reload1.c (emit_input_reload_insns): Delete code that tries to
6248 inherit using find_equiv_reg.
6250 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6252 * c-common.h (flag_const_strings): Don't declare.
6253 * c-common.c (flag_const_strings): Remove.
6254 * c.opt (fconst_strings): Remove.
6255 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6256 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6257 (c_common_init_options): Don't set flag_const_strings.
6258 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6260 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6262 * arm.md (tlobits_cbranch): New pattern.
6263 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6264 testing a single bit.
6266 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6269 * tree-ssa-pre.c (create_component_ref_by_pieces):
6270 Handle RETURN_DECL like VAR_DECL.
6272 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6275 * fold-const.c (fold_indirect_ref_1): Fold
6276 "*(foo *)&complexfoo" to "__real__ complexfoo"
6277 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6279 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6281 * tree-flow-inline.h (var_can_have_subvars):
6282 Volatile variables should not have subvariables.
6284 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6287 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6288 multiplying unsigned values.
6291 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6293 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6295 2006-02-08 Jason Merrill <jason@redhat.com>
6298 * tree.def: Elaborate on difference from MODIFY_EXPR.
6299 * doc/c-tree.texi (INIT_EXPR): Likewise.
6300 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6301 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6302 (gimplify_target_expr): Likewise.
6303 (gimplify_cond_expr): Remove target handling.
6304 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6305 (gimplify_expr): Clobber it here.
6306 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6307 Do return slot optimization if we have an INIT_EXPR.
6310 * tree-inline.c (declare_return_variable): Also clear
6311 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6314 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6317 * gimplify.c (gimplify_one_sizepos): Fix typo.
6319 2006-02-08 Jeff Law <law@redhat.com>
6321 PR tree-optimization/21417
6322 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6323 across a backedge if the control statement at the end of the
6324 block is data dependent on other statements in the same block.
6325 (record_temporary_equivalences_from_stmts): Remove over-conservative
6326 test for threading across backedges.
6328 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6329 control statement, handle all three special cases in the same
6330 manner as they all have the same desired solution. No longer
6331 special case edge flag updating when the post dominator is
6334 2006-02-08 Roger Sayle <roger@eyesopen.com>
6336 * tree.def (CHAR_TYPE): Remove.
6337 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6338 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6339 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6340 (gen_string_type_die): Delete unreachable function.
6342 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6343 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6344 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6345 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6346 * builtins.c (type_to_class): Likewise.
6347 * fold-const.c (fold_convert, build_range_check,
6348 merge_ranges): Likewise.
6349 * expr.c (count_type_elements): Likewise.
6350 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6351 * stor-layout.c (layout_type): Likewise.
6352 * ipa-type-escape.c (type_to_consider): Likewise.
6353 * gimplify.c (omp_firstprivatize_type_sizes,
6354 gimplify_type_sizes): Likewise.
6355 * explow.c (promote_mode): Likewise.
6356 * tree-sra.c (is_sra_scalar_type): Likewise.
6357 * varasm.c (output_constant): Likewise.
6358 * tree-inline.c (remap_type_1): Likewise.
6359 * convert.c (convert_to_pointer, convert_to_real,
6360 convert_to_integer, convert_to_complex): Likewise.
6362 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6364 * df-scan.c (df_def_record_1): A set destination may
6365 be a parallel regardless of mode.
6367 2006-02-08 Roger Sayle <roger@eyesopen.com>
6370 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6371 * config/mips/_tilib.c: Remove.
6372 * config/fixtfdi.c: New libgcc source file.
6373 * config/fixunstfdi.c: New source file.
6374 * config/floatditf.c: New source file.
6375 * config/floatunditf.c: New souce file.
6376 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6377 files above instead of config/mips/_tilib.c.
6378 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6380 2006-02-08 Jeff Law <law@redhat.com>
6382 PR tree-optimization/26169
6383 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6386 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6388 * df.h (DF_REG_SIZE): Return the length of the initialized
6391 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6393 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6394 __muldf3): Return a correctly signed zero.
6396 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6398 * passes.c (register_one_dump_file): Accept the current properties
6399 instead of pass number. Adjust call to dump_register. Remove
6401 (register_dump_files): Now a wrapper around...
6402 (register_dump_files_1): ... this one. Do not modify the pass
6404 (next_pass_1): Cosmetic fix.
6405 (execute_todo): Keep second parameter only. Use curr_properties
6406 instead of fetching it from the pass structure. Check and set
6408 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6409 instead of fetching it from the pass structure. Fix calls to
6410 execute_todo. Update curr_properties and initialize .vcg RTL dump
6411 after running the pass. Reset last_verified.
6412 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6414 (FIRST_AUTO_NUMBERED_DUMP): New.
6415 (dump_register): Remove "num" parameter, assign it within the
6417 (get_dump_file_name): Modify template for dumps.
6418 * tree-dump.h (dump_register): Adjust prototype.
6419 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6420 (PROP_trees): Add PROP_gimple_lomp.
6421 (TODO_set_props): New.
6422 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6423 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6424 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6426 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6428 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6429 (sparc64-*-linux*): Likewise.
6430 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6431 * config/sparc/t-linux: New file.
6432 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6433 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6434 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6435 -m32 -mlong-double-128.
6437 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6438 * config/alpha/t-linux: New file.
6439 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6441 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6442 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6443 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6444 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6445 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6446 (CPP_ARCH32_SPEC): Remove.
6448 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6450 PR tree-optimization/26145
6451 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6454 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6457 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6458 >= 240000 when generating code for SOM runtime.
6459 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6460 to $$dyncall when generating code for SOM runtime..
6462 2006-02-07 Dirk Mueller <dmueller@suse.com>
6465 * doc/invoke.texi (-Wsequence-point): Update documentation
6466 that -Wsequence-point is implemented for C++ as well.
6468 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6470 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6471 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6472 (LIB_SPEC): Likewise.
6473 * doc/invoke.texi (SPARC options): Document -pthread.
6475 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6477 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6480 2006-02-07 Roger Sayle <roger@eyesopen.com>
6482 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6483 Correct comment describing BOOLEAN_TYPE.
6485 2006-02-07 Dirk Mueller <dmueller@suse.com>
6487 * c.opt: C++ frontend supports -Wdiv-by-zero.
6488 * c-opts.c (c_common_handle_option): Remove dead case.
6490 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6492 * configure.ac (TLS assembler check): Do not enable TLS by
6493 default on SPARC/Solaris before version 10.
6494 * configure: Regenerate.
6496 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6498 * doc/invoke.texi (xl-compat): Document conversion and support
6501 2006-02-07 Jeff Law <law@redhat.com>
6503 * tree-vrp.c (find_conditional_asserts): Update comments.
6504 (simplify_stmt_for_jump_threading): New.
6505 (identify_jump_threads, finalize_jump_threads): New.
6506 (vrp_finalize): Call identify_jump_threads.
6507 (execute_vrp): Call finalize_jump_threads.
6508 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6509 (vrp_element, vrp_data, vrp_element_p): Remove.
6510 (vrp_hash_elt, vrp_variables_stack): Remove.
6511 (vrp_hash, vrp_eq, record_range): Remove.
6512 (simplify_cond_and_lookup_avail_expr): Remove.
6513 (extract_range_from_cond): Remove.
6514 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6515 (simplify_stmt_for_jump_threading): New.
6516 (dom_thread_across_edge): New wrapper.
6517 (tree_ssa_dominator_optimize): No longer initialize or
6518 finalize any of the VRP datastructures. Remove iteration
6519 step and simplify as a result of removal of iteration step.
6520 (pass_dominator): Perform a cfg cleanup after DOM.
6521 (dom_opt_finalize_block): Use the new common routines
6522 for threading jumps. Simplify stack management slightly.
6523 No longer need to unwind VRP state.
6524 (record_equivalences_from_incoming_edge): No longer record
6526 (eliminate_redundant_computations): No longer call
6527 simplify_cond_and_lookup_avail_expr.
6528 * tree-flow.h (potentially_threadable_block): Prototype.
6529 (thread_across_edge): Likewise.
6530 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6531 (tree-ssa-threadedge.o): Add dependencies.
6532 * tree-ssa-threadedge.c: New file.
6533 * passes.c (init_optimization_passes): Merge PHIs before
6534 calling VRP. Run VRP again late in the SSA optimization pipeline.
6536 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6538 * df-core.c (df_set_blocks): Do not dereference function pointers.
6539 (df_finish1): Likewise.
6540 (df_hybrid_search_forward): Likewise.
6541 (df_hybrid_search_backward): Likewise.
6542 (df_iterative_dataflow): Likewise.
6543 (df_analyze_problem): Likewise.
6544 (df_compact_blocks): Likewise.
6545 (df_dump): Likewise.
6546 * df-scan.c (df_rescan_blocks): Likewise.
6547 (df_record_entry_block_defs): Likewise.
6549 * genconditions.c (write_conditions): Guard the definition of
6550 'insn_conditions' with the check on GCC version.
6551 (write_writer): Guard the traversal 'insn_conditions' with
6552 the check on GCC version.
6554 2006-02-07 Richard Guenther <rguenther@suse.de>
6558 2006-01-30 Richard Guenther <rguenther@suse.de>
6560 * gimplify.c (gimplify_target_expr): Handle easy cases
6561 without creating a temporary.
6563 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6565 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6566 use of float in probability computations. Use edge probabilities
6567 in place of statically computed probabilities.
6568 (min_spec_prob): New static variable.
6569 (schedule_insns): Initialize it.
6570 (GET_SRC_PROB): Removed.
6571 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6573 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6576 * config/ia64/unwind-ia64.c: Revert last change.
6577 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6578 (INCOMING_FRAME_SP_OFFSET): Define.
6580 2006-02-06 Roger Sayle <roger@eyesopen.com>
6582 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6584 2006-02-07 Ben Elliston <bje@au.ibm.com>
6586 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6587 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6588 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6589 (ix86_return_in_memory): Handle TDmode.
6590 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6591 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6593 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6595 * reorg.c (dbr_schedule): Use dump_file instead of file.
6597 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6600 * config/ia64/predicates.md (extr_len_operand): New predicate.
6601 * config/ia64/ia64.md (extv): Tighten constraints.
6603 (*tbit_and_2): Ditto.
6604 (*tbit_and_3): Ditto.
6605 (*tbit_or_2): Ditto.
6606 (*tbit_or_3): Ditto.
6610 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6613 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6615 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6617 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6618 loop_optimizer_init and loop_optimizer_finalize
6619 * tree-ssa-sink.c (execute_sink_code): Ditto.
6620 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6621 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6622 tree_ssa_loop_done): Ditto.
6623 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6624 * sched-ebb.c: Include output.h.
6625 (schedule_ebbs): Do not use dump argument.
6626 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6627 * loop.c (loop_dump_stream): Removed.
6628 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6630 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6631 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6632 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6633 loop_iterations, strength_reduce, record_biv, record_giv,
6634 final_giv_value, check_final_value, check_ext_dependent_givs,
6635 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6636 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6637 dump_file instead of loop_dump_stream.
6638 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6640 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6642 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6643 * haifa-sched.c: Include output.h
6644 (schedule_insns, sched_init): Do not use dump argument.
6645 * mode-switching.c (optimize_mode_switching): Ditto.
6646 * modulo-sched.c (stats_file): Removed.
6647 (print_node_sched_params): Do not call argument dump_file.
6648 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6649 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6651 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6653 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6654 rtl_loop_init, rtl_loop_done): Ditto.
6655 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6656 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6658 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6659 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6660 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6661 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6662 * emit-rtl.c (renumber_insns): Ditto.
6663 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6664 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6665 * regclass.c (regclass): Ditto.
6666 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6667 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6668 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6669 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6671 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6672 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6674 * gcse.c (gcse_file, debug_stderr): Removed.
6675 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6676 rest_of_handle_gcse): Do not use dump argument.
6677 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6678 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6679 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6680 compute_code_hoist_vbeinout, compute_code_hoist_data,
6681 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6682 compute_store_table, build_store_vectors, insert_insn_start_bb,
6683 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6684 store_motion): Use dump_file instead of gcse_file.
6685 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6686 * profile.c (profile_dump_file): Removed.
6687 (branch_prob): Use dump_file instead of profile_dump_file.
6688 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6690 * tree-ssa-copy.c (dump_copy_of): Ditto.
6691 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6692 dump file to life_analysis.
6693 * bt-load.c (branch_target_load_optimize): Ditto.
6694 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6696 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6697 regclass, dbr_schedule): Declaration changed.
6698 * sched-int.h (sched_init): Declaration changed.
6699 * tree-profile.c (tree_profile_dump_file): Removed.
6700 (tree_profile_hooks): Removed profile_dump_file hook.
6701 * rtl-profile (rtl_profile_dump_file): Removed.
6702 (rtl_profile_hooks): emoved profile_dump_file hook.
6703 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6705 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6706 * tree-cfg.c (build_tree_cfg): Ditto.
6707 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6708 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6709 Declaration changed.
6710 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6711 life_analysis and schedule_insns.
6712 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6714 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6716 * config/mips/mips.c (mips_reorg): Ditto.
6717 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6720 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6722 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6723 (s390_mangle_fundamental_type): New.
6724 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6727 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6728 (alpha_mangle_fundamental_type): New.
6729 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6732 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6734 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6736 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6737 (sparc_mangle_fundamental_type): New.
6739 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6741 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6742 (s390x-*-linux*): Likewise.
6743 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6744 * config/s390/t-linux: New file.
6746 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6748 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6749 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6751 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6753 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6754 (ANTIC_SAFE_LOADS): New macro.
6755 (find_or_generate_expression): Add prototype.
6756 (set_contains_value): Allow null set for sake of not always having
6757 to allocate ANTIC_SAFE_LOADS.
6758 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6759 Allow COMPONENT_REF too.
6760 (valid_in_set): Allow COMPONENT_REF.
6761 Check ANTIC_SAFE_LOADS too.
6762 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6763 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6765 (can_PRE_operation): Add COMPONENT_REF.
6766 (create_component_ref_by_pieces): New function.
6767 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6768 (insert_aux): Move AGGREGATE_TYPE_P check here.
6769 (compute_avail): Set bb local stmt uids.
6770 (pass_pre): Use TODO_update_ssa_only_virtuals.
6772 2006-02-06 Ben Elliston <bje@au.ibm.com>
6774 * configure.ac: Unconditionally disable decimal float by default.
6775 * configure: Regenerate.
6777 2006-02-06 Ben Elliston <bje@au.ibm.com>
6779 * read-rtl.c (read_name): Terminate reading on EOF.
6781 2006-02-06 Ben Elliston <bje@au.ibm.com>
6783 * dfp.c (decimal_real_arithmetic): Change second argument type
6784 from int to enum tree_code. Do not always return true, but now
6785 return result of any call to decimal_do helper functions.
6786 * dfp.h (decimal_real_arithmetic): Update prototype.
6788 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6790 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6792 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6795 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6798 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6800 * tree-vrp.c (cfg_loops): Removed.
6801 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6802 Use current_loops instead of cfg_loops. Pass flags to
6803 loop_optimizer_init.
6804 * cfgloopmanip.c (fix_loop_structure): Update only available
6806 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6807 loop_optimizer_init.
6808 * modulo-sched.c (build_loops_structure): Removed.
6809 (sms_schedule): Use loop_optimizer_init.
6810 * loop-init.c (loop_optimizer_init): Use flags to determine
6811 which properties of loops to prepare.
6812 (rtl_loop_init): Pass flags to loop_optimizer_init.
6813 * tree-ssa-sink.c (execute_sink_code): Ditto.
6814 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6815 * tree-ssa-pre.c (init_pre): Ditto.
6816 * cfgloop.h (LOOPS_NORMAL): New.
6817 (loop_optimizer_init): Declaration changed.
6819 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6821 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6822 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6824 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6826 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6828 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6829 * pa/t-pa64: Delete quadlib.c rule.
6830 * pa/x-ada: Revert last change.
6831 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6833 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6835 PR rtl-optimization/26087
6836 * rtlanal.c (canonicalize_condition): Do not cross basic block
6839 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6842 * config/ia64/ia64.c: Include debug.h.
6843 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6844 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6845 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6846 (process_epilogue, process_set, process_for_unwind_directive):
6847 Output unwind info only if requested. Add CFA info if requested.
6848 Add new arguments as needed. Adjust callers.
6849 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6851 (DWARF2_FRAME_INFO): Define to zero.
6852 * config/ia64/unwind-ia64.c: Remove code that compensated for
6853 the CFA offset error fixed above.
6854 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6855 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6856 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6857 -funwind-tables and -fexceptions to enable frame info.
6858 (dwarf2out_frame_init): Define initial CFA even if
6859 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6860 DWARF2_UNWIND_INFO is nonzero, not just defined.
6861 (dwarf2out_frame_finish): Output non-EH call frame info only
6862 if DWARF2_FRAME_INFO is nonzero.
6863 (convert_cfa_to_loc_list,
6864 compute_frame_pointer_to_cfa_displacement): Define even if
6865 unwind info is not supported.
6866 (gen_subprogram_die): Use the above unconditionally. Remove
6867 legacy alternate code.
6868 * toplev.c (compile_file): Compile in call to
6869 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6870 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6872 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6873 Jakub Jelinek <jakub@redhat.com>
6875 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6876 IBM extended float format long double as "g" on powerpc*-linux.
6878 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6881 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6882 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6884 2006-02-03 Jason Merrill <jason@redhat.com>
6887 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6890 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6891 on the return slot if it's an NRV.
6893 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6895 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6896 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6897 rewrite_use): Do not handle USE_OUTER.
6898 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6899 add_iv_outer_candidates, may_replace_final_value,
6900 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6901 (find_interesting_uses_op): Functionality of
6902 find_interesting_uses_outer_or_nonlin moved here.
6903 (find_interesting_uses_outside): Use find_interesting_uses_op.
6905 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6908 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6910 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6911 Ulrich Weigand <uweigand@de.ibm.com>
6914 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6915 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6916 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6917 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6919 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6920 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6921 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6922 Define secondary reloads for TFmode moves.
6923 (constant_modes): Add TFmode.
6924 (NR_C_MODES): Set to 8.
6925 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6927 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6928 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6929 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6930 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6931 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6932 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6933 (FPR mode macro): Add TFmode.
6934 (DSF mode macro): New.
6935 (<de>, <dee> mode attributes): Removed.
6936 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6937 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6938 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6939 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6940 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6941 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6942 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6943 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6944 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6945 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6946 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6947 "*negabs<mode>2", "sqrt<mode>2"):
6948 Changed <de> to <xde>. R constraint replaced by <Rf>.
6949 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6951 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6952 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6953 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6955 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6956 "extenddftf2", "extendsftf2"): New expanders.
6957 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6958 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6959 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6960 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6962 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6963 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6964 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6965 __floatditf): Add a GCC_4.1.0 symbol version tag.
6966 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6969 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6972 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6973 Use targetm.binds_local_p instead of TREE_PUBLIC.
6975 2006-02-02 Roger Sayle <roger@eyesopen.com>
6977 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6978 on INTEGER_TYPEs to indicate that it denotes a character type.
6979 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6980 signed_char_type_node, unsigned_char_type_node and char_type_node.
6981 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6982 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6983 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6985 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6986 Daniel Berlin <dberlin@dberlin.org>
6988 * tree-tailcall.c (arg_needs_copy_p): New function.
6989 (eliminate_tail_call): Use arg_needs_copy_p.
6990 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6991 (add_virtual_phis): New function.
6993 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6995 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6996 #ignore instead of #scratch for %g7 .register directive.
6998 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7000 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7003 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7005 * flow.c (calculate_global_regs_live): Assert that there aren't any
7008 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7010 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7012 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7013 bsi_after_labels iterator.
7014 * tree-if-conv.c (find_phi_replacement_condition,
7015 replace_phi_with_cond_modify_expr): Likewise.
7016 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7017 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7019 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7021 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7023 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7026 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7027 array after growing it.
7029 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7032 * fold-const.c (fold_checksum_tree): Change type of buf.
7034 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7036 * reload.c (push_secondary_reload): Initialize t_icode.
7038 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7040 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7041 -msoft-float -mlong-double-128 only issue a warning, but don't
7042 swich to DFmode long double.
7044 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7046 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7047 has a constant equivalent, iterate over equivalents for arg0,
7048 calling simplify_relational_operation and if there's a result
7049 cheaper than X, apply fold_rtx and return the result.
7051 2006-02-01 Jan Hubicka <jh@suse.cz>
7053 * opts.c (no_unit_at_a_time_default): New global variable.
7054 (decode_options): Use it.
7055 * opts.h (no_unit_at_a_time_default): Declare.
7057 2006-02-01 Paul Brook <paul@codesourcery.com>
7059 * function.c (assign_parm_setup_reg): Use function argument promotion
7061 * expr.c (expand_expr_real_1): Use function argument promotion rules
7064 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7066 * gcc.c (process_command): Change j to 'unsigned int'.
7068 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7071 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7072 Use the corrected index for the character
7073 out of the string constant.
7075 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7077 * mode-switching.c (optimize_mode_switching): Fix size
7078 allocated for bb_info[n_entities].
7080 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7082 * gcc.c (main): Correct type that is allocated for
7083 explicit_link_files.
7085 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7087 * config/s390/s390.c (init_alignment_context): Set
7088 ALIAS_SET_MEMORY_BARRIER on the MEM.
7089 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7091 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7094 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7096 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7099 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7101 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7102 * regrename.c: Ditto.
7103 * tree-ssa-loop-im.c: Ditto.
7104 * tree-dump.c: Ditto.
7105 * tree-complex.c: Ditto.
7106 * genrecog.c: Ditto.
7107 * tree-ssa-threadupdate.c: Ditto.
7109 * java/class.c: Ditto.
7110 * java/jcf-parse.c: Ditto.
7111 * java/resource.c: Ditto.
7112 * java/except.c: Ditto.
7113 * java/jvspec.c: Ditto.
7114 * java/jcf-write.c: Ditto.
7115 * java/jcf-path.c: Ditto.
7116 * java/gjavah.c: Ditto.
7117 * java/zextract.c: Ditto.
7118 * java/jcf-io.c: Ditto.
7119 * java/jcf.h: Ditto.
7120 * java/buffer.c: Ditto.
7121 * java/lang.c: Ditto.
7122 * java/parse-scan.y: Ditto.
7123 * java/lex.c: Ditto.
7124 * java/lex.h: Ditto.
7125 * cfgloopmanip.c: Ditto.
7126 * postreload-gcse.c: Ditto.
7127 * tree-ssa-loop-manip.c: Ditto.
7128 * postreload.c: Ditto.
7129 * tree-ssa-loop-ch.c: Ditto.
7133 * diagnostic.c: Ditto.
7135 * genoutput.c: Ditto.
7137 * cfghooks.c: Ditto.
7138 * cfgloopanal.c: Ditto.
7139 * objc/objc-act.c: Ditto.
7141 * genextract.c: Ditto.
7142 * genautomata.c: Ditto.
7143 * pretty-print.c: Ditto.
7145 * cgraphunit.c: Ditto.
7148 * haifa-sched.c: Ditto.
7149 * dominance.c: Ditto.
7151 * tree-ssa-loop-ivopts.c: Ditto.
7153 * mode-switching.c: Ditto.
7154 * modulo-sched.c: Ditto.
7156 * ipa-pure-const.c: Ditto.
7158 * fix-header.c: Ditto.
7160 * tree-stdarg.c: Ditto.
7161 * ipa-utils.c: Ditto.
7162 * loop-init.c: Ditto.
7163 * ipa-inline.c: Ditto.
7166 * alloc-pool.c: Ditto.
7167 * dwarf2out.c: Ditto.
7169 * genattrtab.c: Ditto.
7170 * tree-ssa-loop-ivcanon.c: Ditto.
7174 * fortran/gfortranspec.c: Ditto.
7176 * local-alloc.c: Ditto.
7177 * langhooks.c: Ditto.
7178 * function.c: Ditto.
7179 * tree-vectorizer.c: Ditto.
7181 * ipa-type-escape.c: Ditto.
7183 * tree-if-conv.c: Ditto.
7186 * tree-data-ref.c: Ditto.
7187 * loop-unroll.c: Ditto.
7188 * treelang/treetree.c: Ditto.
7191 * ggc-common.c: Ditto.
7193 * coverage.c: Ditto.
7195 * tree-cfgcleanup.c: Ditto.
7196 * tree-ssa-pre.c: Ditto.
7197 * cfgcleanup.c: Ditto.
7198 * loop-invariant.c: Ditto.
7200 * ipa-prop.c: Ditto.
7201 * print-tree.c: Ditto.
7202 * conflict.c: Ditto.
7203 * ggc-page.c: Ditto.
7204 * sched-deps.c: Ditto.
7205 * regclass.c: Ditto.
7206 * tree-object-size.c: Ditto.
7208 * bb-reorder.c: Ditto.
7209 * resource.c: Ditto.
7210 * var-tracking.c: Ditto.
7212 * df-problems.c: Ditto.
7213 * reg-stack.c: Ditto.
7216 * sched-rgn.c: Ditto.
7217 * tree-ssa-structalias.c: Ditto.
7218 * tree-ssa-reassoc.c: Ditto.
7219 * config/darwin-c.c: Ditto.
7220 * config/darwin.c: Ditto.
7221 * config/arm/arm.c: Ditto.
7223 * collect2.c: Ditto.
7226 2006-01-31 Nicolas Pitre <nico@cam.org>
7228 * arm.md (smaxsi3): Make aware of smax_m1.
7231 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7233 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7235 2006-01-31 Richard Guenther <rguenther@suse.de>
7237 * doc/invoke.texi (-msselibm): Document.
7238 * target.h (expand_library_builtin): New target hook.
7239 * builtins.c (expand_builtin): Use expand_library_builtin.
7240 (default_expand_library_builtin): New function.
7241 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7242 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7243 (link_gcc_math_spec): Declare.
7244 (static_specs): Add link_gcc_math_spec.
7245 * expr.h (default_expand_library_builtin): Declare.
7246 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7247 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7248 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7249 * config/i386/i386.opt (msselibm): New target option.
7250 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7251 (ix86_init_sse_abi_builtins): New function.
7252 (ix86_expand_library_builtin): Likewise.
7253 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7254 (override_options): Handle error conditions wrt -msselibm.
7255 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7256 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7257 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7260 2006-01-31 Richard Guenther <rguenther@suse.de>
7261 Paolo Bonzini <bonzini@gnu.org>
7263 * doc/install.texi (--disable-libgcc-math): Document.
7265 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7267 * expr.h (expand_normal): new inline function.
7268 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7270 * dwarf2out.c: use it.
7275 * config/sparc/sparc.c: use it.
7276 * config/i386/i386.c: use it.
7277 * config/rs6000/rs6000.c: use it.
7278 * config/arm/arm.c: use it.
7279 * config/mips/mips.c: use it.
7280 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7282 2006-01-30 Roger Sayle <roger@eyesopen.com>
7284 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7285 argv to the appropriate type.
7287 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7289 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7292 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7295 * config/s390/s390.c (struct machine_function): New flag
7296 decomposed_literal_pool_addresses_ok_p.
7297 (s390_reorg): Set it before final stage of literal pool transforms.
7298 (s390_decompose_address): Only accept displacements of the form
7299 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7301 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7303 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7304 the comparison routine return.
7306 2006-01-30 Michael Matz <matz@suse.de>
7308 * global.c (find_reg): Only evict for global regs.
7309 Take n_refs into account and dump more info.
7311 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7314 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7315 (pragma_trap, pragma_nosave_low_regs): Likewise.
7316 (current_function_anonymous_args): Likewise.
7317 (sh_deferred_function_attributes): New variable.
7318 (sh_deferred_function_attributes_tail): Likewise.
7319 (print_operand): For '@', look up trap_exit attribute.
7320 (calc_live_regs): Look up trapa_handler attribute. For trapa
7321 handlers, save/restore fpscr, but don't do any other
7322 interrupt-specific saves.
7323 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7324 Fix check for partially saved registers to check for SHmedia.
7325 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7326 (sh_output_function_epilogue): Don't clear any of the removed
7328 (sh_insert_attributes): Don't check pragma_interrupt.
7329 Insert deferred attributes. Check that interrupt attribute is
7330 present for other attributes that require its presence.
7331 (sh_attribute_table): Add new attributes trapa_handler and
7333 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7334 Don't check for pragma_interrupt. Don't store argument.
7335 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7336 (sh_deferred_function_attributes): Declare.
7337 (sh_deferred_function_attributes_tail): Likewise.
7338 * sh.md (sp_switch_1): Add operand. Change generator caller.
7339 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7340 (*return_i): Don't use when trap_exit attribute is in effect.
7341 (*return_trapa): New insn pattern.
7343 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7344 setting c_target_objs and cxx_target_objs.
7345 * t-sh: Add rule for sh-c.o.
7347 2006-01-30 Richard Guenther <rguenther@suse.de>
7350 * gimplify.c (gimplify_target_expr): Handle easy cases
7351 without creating a temporary.
7353 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7355 * vec.h (safe_grow): Remove duplicated line.
7357 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7360 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7361 (expand_omp): ... here.
7362 (expand_omp_parallel): Only remove barriers for combined
7363 parallel+workshare constructs.
7365 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7369 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7370 * tree.c (build_qualified_type): Chain the new type to the original
7371 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7372 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7373 (build_pointer_type_for_mode): Only return unqualified types.
7374 (build_reference_type_for_mode): Likewise.
7376 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7378 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7379 * Makefile.in (CXX_COMPAT_WARN): Define.
7380 * configure: Regenerate.
7382 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7385 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7388 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7390 * toplev.c: Fix thinko.
7392 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7393 Marcin Dalecki <martin@dalecki.de>
7395 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7396 (push_srcloc): Use XNEW.
7397 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7399 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7401 * df-core.c (df_set_blocks): Deleted all variable.
7403 2006-01-28 Ian Lance Taylor <ian@airs.com>
7405 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7406 cgraph_output_pending_asms.
7408 2006-01-28 Zack Weinberg <zackw@panix.com>
7410 * c.opt: Add -W(no-)overlength-strings.
7411 * doc/invoke.texi: Document it.
7412 * c-opts.c (c_common_handle_option): -pedantic implies
7413 -Woverlength-strings, if not explicitly disabled already.
7414 (c_common_post_options): -Woverlength-strings defaults to off, and
7415 is always off for C++.
7416 * c-common.c (fix_string_type): Issue warning about strings longer
7417 than is portable only if warn_overlength_strings. Rearrange code
7418 a little for clarity.
7419 * configure.in: Check for -Wno-overlength-strings as well before
7420 enabling -pedantic in stage 1.
7421 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7422 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7424 * genconditions.c (write_header, write_one_condition)
7425 (write_conditions, write_writer): Consolidate very long strings
7426 that were broken up to fit in C89 portable limit. Don't use
7427 printf when fputs will do.
7429 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7431 * combine.c (simplify_comparison <AND>): Check
7432 TRULY_NOOP_TRUNCATION before start using a subreg.
7434 * config/mips/mips.md (*branch_zero<mode>,
7435 *branch_zero<mode>_inverted, *branch_equality<mode>,
7436 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7437 Remove mode check from comparisons.
7439 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7441 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7443 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7445 * expmed.c (const_mult_add_overflow_p): Remove.
7446 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7448 * recog.c (validate_replace_rtx_subexp): Remove.
7449 * recog.h: Remove the prototype for
7450 validate_replace_rtx_subexp.
7452 * integrate.h: Remove the prototype for
7453 copy_decl_for_inlining.
7454 * rtl.h: Remove the prototype for mark_constant_function.
7455 * tree-vectorizer.h: Remove the prototype for
7456 vect_strip_conversion.
7458 * modulo-sched.c (create_partial_schedule,
7459 free_partial_schedule, reset_partial_schedule): Make them
7462 * hooks.c (hook_bool_rtx_int_false): Remove.
7463 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7465 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7467 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7468 and -mlong-double-128 are incompatible.
7469 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7470 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7471 (TARGET_LIBGCC2_CFLAGS): Define.
7472 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7473 (TARGET_LIBGCC2_CFLAGS): Same.
7474 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7476 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7479 * c-typeck.c (build_binary_op): Perform implicit casts of
7480 operands before shortening them.
7482 * cfgloopmanip.c (split_loop_bb): Remove.
7483 * cfgloop.h: Remove the prototype for split_loop_bb.
7485 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7486 * cfgloop.h: Remove the prototype for
7487 flow_loop_outside_edge_p.
7489 * emit-rtl.c (init_virtual_regs): Make it static.
7490 * function.h: Remove the prototype for init_virtual_regs.
7492 * recog.c (peephole2_optimize): Make it static.
7493 * recog.h: Remove the prototype for peephole2_optimize.
7495 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7497 * df-scan.c (df_record_entry_block_defs): Check if
7498 INCOMING_RETURN_ADDR_RTX is defined.
7500 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7501 Kenneth Zadeck <zadeck@naturalbridge.com>
7503 PR rtl-optimization/24762
7504 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7505 * targhooks.c (hook_void_bitmap): New hook prototype.
7506 * targhoohs.h (hook_void_bitmap): Ditto.
7507 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7508 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7509 * target.h (live_on_entry): New function pointer.
7510 * df-scan.c (df_all_hard_regs): Removed.
7511 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7512 (df_scan_free_internal): Added df->entry_block_defs.
7513 (df_scan_alloc): Ditto.
7514 (df_scan_dump): Ditto.
7515 (df_uses_record): Plumbed flag field properly thru calls.
7516 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7517 This part fixes PR24762.
7518 (df_bb_refs_record): Added code to make the frame and arg
7519 pointers live in EH blocks.
7520 (df_refs_record): Added call to df_record_entry_block_defs.
7521 (df_record_entry_block_defs): New function.
7522 * df-core.c: Added comments to describe new artifical defs.
7523 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7524 (entry_block_defs): New field in struct df.
7525 (df_all_hard_regs): Deleted.
7526 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7527 * df-problems.c (df_ru_bb_local_compute_process_def):
7528 Added code to handle artifical defs in the entry to a function.
7529 (df_ru_bb_local_compute): Ditto.
7530 (df_rd_bb_local_compute_process_def): Ditto.
7531 (df_rd_bb_local_compute): Ditto.
7532 (df_lr_bb_local_compute): Ditto.
7533 (df_ur_bb_local_compute): Ditto.
7534 (df_urec_bb_local_compute): Ditto.
7535 (df_chain_create_bb): Ditto.
7536 (df_ur_local_finalize): Removed entry.
7537 (df_urec_init): Ditto.
7538 (df_urec_local_finalize): Ditto.
7539 (df_ri_bb_compute): Added detection of last use of pseudos.
7540 * Makefile.in (df-scan.o): Updated dependencies.
7541 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7542 * config/mips/mips.c (mips_set_live_on_entry): Added.
7543 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7545 * dce.c (marked_insn_p): Added code to handle artifical defs.
7547 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7549 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7551 (_mm_cvtsi128_si64): Likewise.
7552 (_mm_cvtsd_si64): Likewise.
7553 (_mm_cvttsd_si64): Likewise.
7554 (_mm_cvtsi64_sd): Likewise.
7555 (_mm_cvtsi64_si128): Likewise.
7556 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7557 (_mm_cvtsi64_m64): Likewise.
7558 (_m_to_int64): Likewise.
7559 (_mm_cvtm64_si64): Likewise.
7560 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7561 (_mm_cvttss_si64): Likewise.
7562 (_mm_cvtsi64_ss): Likewise.
7563 (_mm_cvtss_f32): Likewise.
7565 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7567 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7568 for pragma redefine_extname.
7570 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7573 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7574 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7575 -mno-minimal-toc to previous content.
7576 (bispecs): Remove goal.
7577 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7578 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7579 compatibility aliases on powerpc-*-*gnu*.
7580 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7581 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7582 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7583 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7584 (ldblspecs): New goal.
7585 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7586 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7588 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7589 L_sf_to_tf or L_df_to_tf is defined.
7591 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7592 Alan Modra <amodra@bigpond.net.au>
7595 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7596 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7597 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7598 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7599 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7600 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7601 (rs6000_override_options): Initialize rs6000_ieeequad.
7602 Initialize TFmode format to ibm_extended_format if not
7604 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7606 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7607 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7608 (function_arg_advance): IBM long double passed in two FPRs, not
7610 (function_arg): IBM long double passed in FPRs.
7611 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7612 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7613 Only multireg GPR aligned.
7614 (rs6000_init_libfuncs): Enable IBM long double functions if not
7616 (rs6000_generate_compare): Use IBM long double compare if not
7618 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7619 (TARGET_IEEEQUAD): Define.
7620 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7621 not TARGET_IEEEQUAD.
7622 * config/rs6000/rs6000.md: Enable TFmode patterns if
7624 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7625 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7626 and -mlong-double-128 are incompatible.
7627 * doc/invoke.texi (-mabi): Collect options together. Add
7628 ibmlongdouble and ieeelongdouble.
7630 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7632 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7634 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7635 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7636 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7637 * rtl.h (rtunion_def): Remove rt_ptr.
7639 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7640 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7641 * config/i386/winnt.c (i386_pe_mark_dllexport)
7642 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7644 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7646 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7648 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7652 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7653 pthread_key_delete. From John David Anglin. gthrw-ify
7654 pthread_getunique_np only if it it's not a macro. Delete
7656 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7657 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7658 __gthread_objc_condition_signal, __gthread_key_delete): Add
7659 "__attribute__ ((__unused__))" to unused arguments.
7660 (__gthread_recursive_mutex_init_function): Add missing return.
7661 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7662 gthr-posix95.h: Use macro-based approach for name redirection
7663 on targets missing weakref.
7665 2006-01-26 Zack Weinberg <zackw@panix.com>
7667 * genconditions.c (write_header): In generated code, #ifdef out
7668 all includes and fake declarations, except includes of bconfig.h
7669 and system.h, unless GCC_VERSION >= 3001. Do not include
7670 gensupport.h in any case.
7671 (write_conditions): Generate a definition of struct c_test. Add
7672 a comment to the generated #endif.
7673 (write_one_condition): Escape backslashes in string too.
7674 (write_writer): Generated code must escape backslashes and quote
7675 marks (but not newlines) in the strings it writes.
7676 * Makefile.in (build/gencondmd.o): Update dependencies.
7678 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7681 * Makefile.in (insn-automata.o): Add header file dependencies.
7682 * genautomata.c: Add includes.
7684 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7687 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7689 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7691 * configure.ac: Expect target tools paths to be passed from the toplevel
7692 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7694 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7696 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7699 * c.opt (Wpointer-sign): Init to -1.
7700 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7701 OPT_pedantic, to 0 otherwise.
7702 * doc/invoke.texi: Update.
7704 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7706 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7707 constants provided by 80387 instructions in the destination mode.
7709 2006-01-26 Richard Guenther <rguenther@suse.de>
7710 Andrew Pinski <pinskia@physics.uc.edu>
7713 partial PR tree-opt/17064
7714 * tree-ssa-structalias.c (intra_create_variable_infos):
7715 Create heap variables for incoming parameters if
7716 flag_argument_noalias > 1.
7717 (find_what_p_points_to): Look through default defs of
7720 2006-01-26 Jeff Law <law@redhat.com>
7723 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7724 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7725 within the VR_RANGE, use the VR_RANGE as the result, not the
7727 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7728 bounds for the type.
7730 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7732 * tree-ssa-alias.c (maybe_create_global_var): Change
7733 subvar walking to an assertion that we don't have subvar'd variables.
7735 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7738 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7739 Use a new variable, inner. PARM_DECLs are always non-weak.
7741 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7743 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7746 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7748 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7750 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7752 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7753 (smax_insn, smin_insn, smax_0, smin_0): New.
7755 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7758 * config/cris/cris.c (cris_order_for_addsi3): New function.
7759 * config/cris/cris-protos.h: Prototype it.
7760 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7761 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7762 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7763 (split for "op.S1 [rx=rx+i],ry (swapped)")
7764 (split for "op(s|u).S1 [rx=rx+i],ry")
7765 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7766 Apply cris_order_for_addsi3 when generating addsi3 insns.
7768 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7770 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7771 (TREE_BLOCK): Add call to EXPR_CHECK.
7773 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7776 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7777 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7778 (dump_omp_clauses): ... here.
7779 (dump_generic_node): Handle OMP_CLAUSE.
7780 * tree.c (omp_clause_num_ops): New.
7781 (omp_clause_code_name): New.
7782 (tree_code_size): Handle OMP_CLAUSE.
7783 (tree_size): Likewise.
7784 (make_node): Document handling of OMP_CLAUSE.
7785 (tree_node_structure): Handle OMP_CLAUSE.
7786 (omp_clause_check_failed): New.
7787 (omp_clause_range_check_failed): New.
7788 (omp_clause_operand_check_failed): New.
7789 (build_omp_clause): New.
7790 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7791 * tree.h (enum omp_clause_code): Declare.
7792 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7793 (OMP_CLAUSE_RANGE_CHECK): Define.
7794 (OMP_CLAUSE_ELT_CHECK): Define.
7795 (omp_clause_check_failed): Declare.
7796 (omp_clause_operand_check_failed): Declare.
7797 (omp_clause_range_check_failed): Declare.
7798 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7799 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7800 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7801 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7802 (OMP_CLAUSE_IF_EXPR): Likewise.
7803 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7804 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7805 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7806 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7807 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7808 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7809 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7810 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7811 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7812 (OMP_CLAUSE_CODE): Define.
7813 (OMP_CLAUSE_SET_CODE): Define.
7814 (OMP_CLAUSE_CODE): Define.
7815 (OMP_CLAUSE_OPERAND): Define.
7816 (struct tree_omp_clause): Declare.
7817 (union tree_node): Add field 'omp_clause'.
7818 * treestruct.def (TS_OMP_CLAUSE): Define.
7819 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7820 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7821 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7822 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7823 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7824 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7825 (OMP_CLAUSE): Define.
7826 * print-tree.c (print_node): Handle OMP_CLAUSE.
7827 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7828 * c-typeck.c: Likewise.
7829 * gimplify.c: Likewise.
7830 * c-omp.c: Likewise.
7831 * tree-nested.c: Likewise.
7832 * tree-inline.c: Likewise.
7833 * c-parser.c: Likewise.
7834 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7837 2006-01-25 Roger Sayle <roger@eyesopen.com>
7839 PR rtl-optimization/25703
7840 * combine.c (try_combine): Handle zero_extract and strict_low_part
7841 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7843 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7845 * global.c: Fix comment typos.
7847 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7850 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7851 Use output_addr_const instead of assemble_name.
7853 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7855 * Makefile.in (sched-vis.o): Update dependencies.
7856 * haifa-sched.c (sched_finish): Clear current_sched_info.
7857 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7858 (dump_flow_info): Call it.
7859 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7861 * basic-block.h (dump_bb_info): Declare.
7862 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7863 option, and apply options only for dump files whose TDF_RTL,
7864 TDF_TREE, or TDF_IPA bits match.
7865 * rtl.h: Declare new functions exported from sched-vis.c.
7866 * sched-vis.c: Enable also if scheduling is not used.
7867 (print_value): Print the mode of registers if not inside scheduling.
7868 (print_insn): Make it work outside the scheduler. Beautify the output
7870 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7872 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7874 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7875 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7876 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7877 depending on the value of CONSTANT_POOL_ADDRESS_P.
7878 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7880 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7881 rather than SYMBOL_REF_DECL.
7882 (rtx_constant_pool): Remove const_rtx_sym_htab.
7883 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7884 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7885 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7886 Remove handling of const_rtx_sym_htab.
7887 (find_pool_constant): Delete.
7888 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7889 rather than find_pool_constant.
7890 (get_pool_constant_for_function): Delete.
7891 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7893 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7894 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7895 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7896 (SYMBOL_REF_CONSTANT): New macro.
7897 (get_pool_constant_for_function): Delete.
7898 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7899 rather than SYMBOL_REF_DECL.
7900 (i386_pe_mark_dllimport): Likewise.
7901 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7902 rather than SYMBOL_REF_DECL.
7903 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7904 (machopic_indirect_call_target): Likewise.
7906 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7908 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7910 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7912 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7914 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7916 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7918 2006-01-24 David Daney <ddaney@avtrex.com>
7921 * configure.ac (enable_tls): New enable option.
7922 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7923 * configure: Regenerate.
7924 * doc/install.texi (--enable-tls): Document new option.
7925 (--disable-tls): Ditto.
7927 2006-01-24 Richard Henderson <rth@redehat.com>
7929 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7930 * alias.c (true_dependence): Respect it.
7931 (canon_true_dependence, write_dependence_p): Likewise.
7932 * builtins.c (get_builtin_sync_mem): Set it.
7934 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7936 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7939 2006-01-24 DJ Delorie <dj@redhat.com>
7941 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7942 for storing constants in single-bit bitfields.
7944 2006-01-25 Ben Elliston <bje@au.ibm.com>
7946 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7948 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7951 * tree-ssa-pre.c (phi_translate): Return NULL
7952 for AGGREGATE_TYPE's.
7954 2006-01-24 Zack Weinberg <zackw@panix.com>
7956 * genautomata.c (process_state_for_insn_equiv_partition):
7957 Use xcalloc for insn_arcs_array.
7958 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7959 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7961 2006-01-24 Richard Henderson <rth@redhat.com>
7963 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7966 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7968 PR rtl-optimization/25890
7969 PR rtl-optimization/25905
7970 * combine.c (expand_compound_operation, expand_field_assignment):
7971 Fail if the bitfield's final position is out of bounds.
7973 2006-01-24 Ian Lance Taylor <ian@airs.com>
7976 * cgraphunit.c (cgraph_output_in_order): Don't clear
7977 cgraph_asm_nodes until after asm strings have been output.
7979 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7981 * fix-header.c (read_scan_file): Add new parameter imultilib when
7982 calling register_include_chains.
7984 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7986 * omp-low.c: Update documentation.
7988 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7989 Daniel Berlin <dberlin@dberlin.org>
7993 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7994 return from the function.
7996 2006-01-22 Zack Weinberg <zackw@panix.com>
7998 * rtl.def (match_code): Add second argument.
7999 * genpreds.c (write_extract_subexp): New function.
8000 (write_match_code): Add path argument. Use write_extract_subexp.
8001 (write_predicate_expr): Pass path to write_match_code.
8002 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8003 not perform a mode test.
8004 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8005 a subexpression does not constrain the top-level code set.
8006 * read-rtl.c (read_rtx_variadic): New function.
8007 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8008 * doc/md.texi: Document new notation.
8009 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8010 (cmpsi_operand): ... here, using new notation.
8012 2006-01-22 Zack Weinberg <zackw@panix.com>
8014 * varray.c: Remove GENERATOR_FILE #ifdefs.
8016 2006-01-22 Zack Weinberg <zackw@panix.com>
8018 * genautomata.c (output_reserved_units_table): Emit nothing if
8019 description->query_units_num is zero. Remove extra blank line.
8020 (output_cpu_unit_reservation_p): Short circuit
8021 if description->query_units_num is zero.
8023 2006-01-22 Zack Weinberg <zackw@panix.com>
8025 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8026 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8027 nor any of the random handful of variables that used to be necessary
8028 when this program was linked with rtlanal.o. Prune set of forward
8029 function declarations.
8030 (struct attr_desc): Remove static_p field.
8031 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8032 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8033 (attr_string): Do not read the character one past the length of
8035 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8036 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8037 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8038 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8039 (make_automaton_attrs): New.
8040 (main): Do not call into genautomata. Call local gen_bypass
8041 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8042 Remove special case for insn_alts.
8043 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8044 varray.h (leftover from previous change). Prune set of forward
8045 function declarations. Remove state_alts fields from all
8046 structures. Remove state_alts_table from struct automaton.
8047 Make everything except main static. Do not maintain num_dfa_decls.
8048 Do not maintain state_alts fields of various structures.
8049 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8050 (add_arc): Remove state_alts argument. All callers updated.
8051 (output_reserved_units_table): Emit #ifdef here...
8052 (output_tables): ...not here. Don't generate state_alts tables.
8053 (expand_automata): Don't generate attributes.
8054 (write_automata): Don't generate state_alts functions.
8055 (main): New function.
8056 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8057 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8058 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8059 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8060 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8061 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8062 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8063 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8065 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8066 * genattrtab.h: Delete file.
8067 * Makefile.in (OBJS-common): Add insn-automata.o.
8068 (insn-automata.o): New rule.
8069 (simple_generated_c): Add insn-automata.c.
8070 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8071 (genprogmd): Add automata.
8072 (build/genattrtab): Needs no extra objects nor libraries.
8073 (build/genautomata): Needs build/vec.o and -lm.
8075 2006-01-22 Zack Weinberg <zackw@panix.com>
8077 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8078 (output_dfa_max_issue_rate, locked_states_num): Delete.
8079 (struct automaton): Add locked_states field.
8080 (output_dead_lock_vect): Save number of locked states in
8081 automaton->locked_states. If it is zero, don't print anything.
8082 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8083 (output_internal_dead_lock_func): Only test the dead_lock_vect
8084 for automata that have locked states.
8085 (output_statistics): Always print the number of locked states for
8086 each automaton. Calculate total number of locked states here.
8087 (write_automata): Don't call output_dfa_max_issue_rate.
8088 * genattrtab.c: Define length_unit_log as a const variable.
8089 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8090 max_insn_queue_index const.
8091 * final.c (length_unit_log): Declare const.
8092 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8094 2006-01-22 Zack Weinberg <zackw@panix.com>
8096 * genautomata.c: Include vec.h, not varray.h.
8097 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8098 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8099 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8100 VEC_* macros operating on appropriately typed vectors, or to
8101 malloced arrays when the size is known in advance. Const-ify
8102 many char* variables and function arguments. No functional changes.
8103 * Makefile.in (build/varray.o): Delete rule.
8104 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8105 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8107 2006-01-22 Zack Weinberg <zackw@panix.com>
8109 * gensupport.c: Define get_insn_name and record_insn_name here.
8110 (read_md_rtx): Call record_insn_name as appropriate.
8111 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8112 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8113 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8115 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8116 (BUILD_VARRAY): Delete.
8117 (genprognormal): Rename genprogmd. Fold in all programs from
8118 genprognoprint; also attrtab.
8119 (build/genattrtab): Just mention genautomata.o and varray.o.
8120 Reorganize a bit, add comments to make the categories clearer.
8122 2006-01-22 Zack Weinberg <zackw@panix.com>
8124 * genconditions.c (condition_table, add_condition): Delete.
8125 (write_conditions): Don't emit n_insn_conditions nor
8126 insn_elision_unavailable. Issue the gcc version #ifdef here,
8127 inside the table, with no #else clause ...
8128 (write_header): ...not here.
8129 (write_writer): New function.
8130 (main): Don't initialize condition_table. Use add_c_test.
8132 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8133 files on the command line.
8134 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8135 Return -1 if there is no entry in the table, don't abort.
8136 (add_c_test, traverse_c_tests): New functions.
8137 * gensupport.h (insn_elision_unavailable, insn_conditions)
8138 (n_insn_conditions): Delete declarations.
8139 (add_c_test, traverse_c_tests): Declare.
8140 * read-rtl.c: Include gensupport.h.
8141 (read_conditions): New function.
8142 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8143 (read_rtx_1): If we get EOF when we were looking for an initial
8144 open paren, return 0. Call read_conditions when appropriate.
8145 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8146 dummy-conditions.o. Eliminate references to insn-conditions.o,
8147 or change them to build/gencondmd.o, as appropriate. Remove
8148 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8149 from $(simple_generated_c). For all files remaining in those
8150 two lists, add insn-conditions.md to the generator command line.
8151 Give insn-constants.h/s-constants their own rules. Add rules
8152 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8153 (build/read-rtl.o): Depend on gensupport.h.
8154 (genprognormal): Include preds.
8155 (genprogearly): Rename genprognoprint; only difference is now that
8156 they don't link with $(BUILD_PRINT).
8157 * dummy-conditions.c: Delete.
8159 2006-01-22 Zack Weinberg <zackw@panix.com>
8161 * genextract.c: Don't include insn-config.h. Do include vec.h.
8162 Declare vectors of int, char, and locstr.
8163 (locstr): New typedef.
8164 (struct extraction): Make all array fields into bare pointers.
8165 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8166 (insn_code_number): Delete.
8167 (accum_extract): New struct.
8168 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8169 (gen_insn): Take insn_code_number as an argument. Use an
8170 accum_extract structure instead of loading data directly into
8171 a struct extraction, and having to know how big it might get.
8172 (walk_rtx): Operate entirely on an accum_extract structure.
8173 (print_path): Avoid unnecessary use of printf.
8174 (print_header): New function, split out of main. Distinguish
8175 more carefully between an unrecognizable insn and an insn that
8176 has the code number of a define_expand.
8177 (main): Pass insn_code_number to gen_insn. Call print_header
8178 only after parsing. Avoid unnecessary use of printf.
8179 * Makefile.in (build/vec.o): New rule.
8180 (build/genextract): Depend on build/vec.o.
8181 (build/genextract.o): Don't depend on insn-config.h.
8183 2006-01-22 Zack Weinberg <zackw@panix.com>
8185 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8186 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8187 practical. Eliminate per-generator-program link rules.
8189 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8192 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8193 with a call expr to ...
8194 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8196 2006-01-23 Richard Guenther <rguenther@suse.de>
8198 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8199 before make_edge with conditional EDGE_TRUE_VALUE.
8201 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8202 Jan Hubicka <jh@suse.cz>
8203 Richard Guenther <rguenther@suse.de>
8205 PR rtl-optimization/25654
8206 * cfgexpand.c (aggregate_contains_union_type): New function.
8207 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8208 for structure variables that contain a union type.
8210 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8212 * gengtype.c (new_structure): Return the structure.
8213 (create_option): Add an extra "next" argument.
8214 (create_field): New function.
8215 (adjust_field_rtx_def): Use create_option and create_field.
8216 Remove a now-unnecessary call to find_structure.
8217 (adjust_field_tree_def): Likewise.
8218 (note_yacc_type): Remove an unnecessary call to find_structure.
8219 * gengtype.h (new_structure): Return the structure.
8220 (create_option): Add an extra argument.
8221 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8222 (option): Adjust calls to create_option.
8224 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8226 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8228 2006-01-22 Paul Brook <paul@codesourcery.com>
8229 Peter Barada <peter@the-baradas.com>
8231 * config/m68k/m68k.md: Add Coldfire FPU support.
8232 Define FP mode macro and associated attributes.
8233 Use it for float mode patterns.
8234 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8235 (LIBCALL_VALUE): Use m68k_libcall_value.
8236 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8237 (m68k_function_value): Ditto.
8238 (emit_move_sequence): Ditto.
8239 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8240 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8241 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8242 (MULTILIB_EXCEPTIONS): Ditto.
8243 * config/m68k/m68k.opt: Add mcfv4e.
8244 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8245 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8246 (m68k_output_function_prologue): Save ColdFire FPU registers.
8247 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8248 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8249 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8250 ColdFire FPU registers.
8251 (m68k_libcall_value, m68k_function_value): New functions.
8252 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8253 (LIBCALL_VALUE): Use m68k_libcall_value.
8254 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8255 (MASK_COLDFIRE): Add MASK_CFV4E.
8256 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8257 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8258 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8259 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8260 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8261 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8262 * doc/invoke.tex: Document -mcfv4e on m68k.
8264 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8266 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8269 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8272 * c-opts.c (c_common_handle_option): Don't include
8273 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8274 * doc/invoke.texi (C++ Dialect Options): Document that
8275 -Wnon-virtual-dtor is no longer included in -Wall.
8277 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8279 * gcov.c (print_version), gcov-dump.c (print_version),
8280 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8283 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8285 * df-scan.c (problem_SCAN): Added NULL reset function.
8286 (df_scan_reset_blocks): Added code to call reset block function
8287 (df_bb_refs_delete) Fixed comment.
8288 (df_insn_refs_delete): Made tolerant of deleting non existent info
8289 for dataflow problems that need to be reset.
8290 * df-core.c (df_set_blocks): Ditto.
8291 * df.h (struct df_problem): Added reset_fun.
8292 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8293 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8294 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8295 functions to clear out all references to def-use or use-def chains.
8297 2006-01-21 Ben Elliston <bje@au.ibm.com>
8299 * varasm.c (assemble_real): Initialise data array.
8301 2006-01-20 Paul Brook <paul@codesourcery.com>
8303 Merge from csl-arm-branch.
8304 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8305 * config/arm/arm.md (movdi): Force operands[1] to a register
8306 if we have a non-register source.
8307 (*arm_movdi, *movdf_soft_insn): Require that one of the
8308 operands be a register.
8309 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8310 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8312 2006-01-20 DJ Delorie <dj@redhat.com>
8314 * varasm.c (initialize_constant_valid_p): Allow pointers
8315 initialized from integer constants of lesser precision.
8316 (output_constant): Allow non-int-sized pointer modes to be
8317 initialized from integer constants.
8319 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8322 * cppdefault.h (struct default_include): Add multilib flag.
8323 * cppdefault.c (cpp_include_defaults): Set it.
8324 * c.opt (-imultilib): New option.
8325 * c-opts.c (imultilib): New.
8326 (c_common_handle_option): Handle -imultilib.
8327 (c_common_post_options): Likewise.
8328 * c-incpath.c (add_standard_paths, register_include_chains):
8330 * c-incpath.h (register_include_chains): Add extra parameter.
8331 * gcc.c (do_spec_1): Generate -imultilib option.
8332 (The Specs Language): Update %I description.
8333 (process_command): Update copyright notice.
8334 * doc/cppopts.texi (-imultilib): Document.
8335 * doc/invoke.texi (-imultilib): Include in option summary.
8336 (%I): Update specs documentation.
8338 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8340 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8342 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8344 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8347 2006-01-20 Richard Guenther <rguenther@suse.de>
8348 Steven Bosscher <stevenb.gcc@gmail.com>
8350 PR rtl-optimization/24626
8351 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8352 EDGE_TRUE_VALUE if in RTL mode.
8355 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8356 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8358 2006-01-20 Dirk Mueller <dmueller@suse.com>
8361 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8362 instead of a special NOP marker.
8363 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8364 NOP marker handling.
8365 * c-common.h (empty_body_warning): Add forward declaration.
8366 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8367 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8369 2006-01-20 Paul Brook <paul@codesourcery.com>
8371 * Makefile.in (lang_checks): Keep going if mkdir fails.
8373 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8375 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8376 be able to clean out basic block when not necessary.
8377 (df_scan_free): Fixed to properly delete information if df is
8378 unused before calling df_finish.
8379 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8380 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8382 (df_bb_refs_delete): New function.
8383 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8384 * df-core.c (df_set_blocks): Added code to properly clean out
8385 unused blocks if they are not part of the blocks to consider.
8386 Added additional null check.
8387 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8388 be able to clean out basic block when not necessary
8389 * df.h (df_free_bb_function): Ditto.
8390 (df_bb_refs_delete): New function.
8391 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8392 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8393 basic block parameter to be able to clean out basic block when not
8395 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8396 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8397 Fixed to properly delete information if df is unused before
8400 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8402 PR rtl-optimization/25799
8403 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8404 Corrected confluence operator to remove bits from op2 before oring
8405 with op1 rather than removing bits from op1.
8406 (df_ru_transfer_function): Corrected test on wrong bitmap which
8407 caused infinite loop. Both of these problems were introduced in
8408 the dataflow rewrite.
8410 2006-01-19 DJ Delorie <dj@redhat.com>
8412 * reload1.c (find_reload_regs): Note the details of reload
8413 failures in the dump file.
8414 (spill_failure): Likewise.
8416 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8418 * loop-iv.c: Include df.h and hashtab.h.
8419 (enum iv_grd_result): New enum.
8420 (DF_REF_IV, DF_REF_IV_SET): New macros.
8421 (struct biv_entry): New.
8422 (df, bivs): New global variables.
8423 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8424 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8426 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8427 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8428 analyzed_for_bivness_p, record_biv): New functions.
8429 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8430 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8431 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8433 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8435 (iv_number_of_iterations): Use new interface to iv analysis.
8436 * loop-unroll.c: Do not include varray.h.
8437 (analyze_iv_to_split_insn): Use new interface to iv
8439 * loop-unswitch.c (may_unswitch_on): Ditto.
8440 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8442 (df_bb_modify): Realloc tables to the new index.
8443 (df_find_use): New function.
8444 * df.h (df_find_use): Declare.
8445 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8447 * cfgloop.h (struct rtx_iv): Remove analysed field.
8448 (iv_get_reaching_def): Removed.
8449 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8450 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8451 (loop-iv.o): Add df.h and hashtab.h dependency.
8452 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8454 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8457 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8459 (__floatundisf, __floatundidf): Likewise.
8460 * libgcc2.h (IS_IBM_EXTENDED): Define.
8462 2006-01-19 DJ Delorie <dj@redhat.com>
8464 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8466 2006-01-19 Paul Brook <paul@codesourcery.com>
8468 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8469 as nothrow when unwinding tables are disabled.
8471 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8474 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8475 of bit-field" when in system header.
8477 2006-01-19 DJ Delorie <dj@redhat.com>
8479 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8480 the 16 bit shift limit of the m16c.
8482 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8485 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8486 * config/i386/i386.c (output_set_got): Output the label if we have one
8487 for the TARGET_DEEP_BRANCH_PREDICTION case.
8489 2006-01-19 Jan Hubicka <jh@suse.cz>
8490 H.J. Lu <hongjiu.lu@intel.com>
8491 Evandro Menezes <evandro.menezes@amd.com>
8493 * invoke.texi (generic): Document
8495 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8496 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8497 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8498 (x86_use_incdec, x86_pad_returns): New variables
8499 (TARGET_CPU_DEFAULT_generic): New constant
8500 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8501 (enum processor_type): Add generic32 and generic64.
8502 * i386.md (cpu attribute): Add generic32/generic64
8503 (movhi splitter): Behave sanely when both partial_reg_dependency and
8504 partial_reg_stall are set.
8505 (K8 splitters): Enable for generic as well.
8506 * predicates.md (incdec_operand): Use TARGET_INCDEC
8507 (aligned_operand): Avoid memory mismatch stalls.
8508 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8509 * ppro.md: Enable for generic32
8510 * i386.c (generic64_cost, generic32_cost): New.
8511 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8512 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8513 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8514 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8515 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8516 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8517 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8518 x86_accumulate_outgoing_args, x86_prologue_using_move,
8519 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8520 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8522 (x86_use_incdec, x86_pad_returns): New.
8523 (override_options): Add generic32 and generic64, translate "generic"
8524 to generic32/generic64 and "i686" to "generic32", refuse
8525 "generic32"/"generic64" as arch target.
8526 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8527 (ix86_reorg): Honor PAD_RETURNS.
8529 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8531 * tree-pretty-print.c (dump_generic_node): Handle
8532 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8533 * cgraph.c (cgraph_expand_queue): Rename from
8534 cgraph_analyze_queue. Update all users.
8535 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8536 cgraph_expand_queue.
8537 (cgraph_expand_all_functions): Likewise.
8538 (cgraph_finalize_pending_functions): Remove. Update callers.
8540 * tree.h (OMP_DIRECTIVE_P): Define.
8541 (OMP_PARALLEL_FN): Define.
8542 (OMP_PARALLEL_DATA_ARG): Define.
8543 (OMP_SECTIONS_SECTIONS): Define.
8544 * tree-pass.h (pass_expand_omp): Declare.
8545 * omp-low.c (struct omp_region): Declare.
8546 (struct omp_context): Remove fields 'parallel_type',
8547 'parallel_start_ix' and 'parallel_start_additional_args'.
8549 (struct omp_for_data): Rename from struct expand_omp_for_data.
8550 (omp_regions): New static variable.
8551 (root_omp_region): New static variable.
8552 (find_omp_clause): Make static.
8553 (is_in_combined_parallel_ctx): Remove.
8554 (is_combined_parallel): New.
8555 (extract_omp_for_data): Move earlier in the file.
8556 (workshare_safe_to_combine_p): New.
8557 (get_ws_args_for): New.
8558 (determine_parallel_type): Move earlier in the file.
8559 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8561 (omp_copy_decl): Likewise.
8562 (create_omp_child_function): Likewise.
8563 (lookup_omp_region): New.
8564 (dump_omp_region): New.
8565 (debug_omp_region): New.
8566 (debug_all_omp_regions): New.
8567 (new_omp_region): New.
8568 (scan_omp_parallel): If parallel_nesting_level > 1, the
8569 directive is nested within another parallel directive.
8570 Set OMP_PARALLEL_FN.
8571 (scan_omp_for): Do not try to handle combined parallel+for
8573 Remove FIXME comment.
8574 (scan_omp_nested): Remove.
8575 (scan_omp_1): Do not call scan_omp_nested when
8576 parallel_nesting_level is > 1.
8577 Do not change the DECL_CONTEXT of local variables found.
8578 (lookup_decl_in_outer_ctx): New.
8579 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8580 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8581 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8582 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8583 If CTX is nested, lookup VAR in the outer context when
8584 building copy assignment.
8585 (lower_send_clauses): Rename from expand_send_clauses.
8586 If CTX is nested, lookup VAR in the outer context when
8587 building copy assignments.
8588 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8589 If CTX is nested, lookup VAR in the outer context when
8590 building copy assignments.
8591 (expand_parallel_call): Rename from build_parallel_call.
8592 Handle combined parallel+workshare cases.
8593 Re-implement to emit code into the CFG.
8595 (expand_omp_parallel): Re-implement to emit code into the CFG.
8596 Call move_sese_region_to_fn to outline the sub-graph
8597 containing the parallel region.
8598 (expand_omp_for_1): Remove.
8599 (expand_omp_for_generic): Re-implement to emit code into the
8601 (expand_omp_for_static_nochunk): Likewise.
8602 (expand_omp_for_static_chunk): Likewise.
8603 (expand_omp_for): Likewise.
8604 (expand_omp_sections): Likewise.
8605 (remove_exit_barriers): New.
8606 (expand_omp_synch): New.
8608 (build_omp_regions_1): New.
8609 (build_omp_regions): New.
8610 (execute_expand_omp): New.
8611 (gate_expand_omp): New.
8612 (pass_expand_omp): Define.
8613 (lower_omp_sections): Rename from expand_omp_sections.
8614 Set OMP_SECTIONS_SECTIONS.
8615 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8616 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8617 (lower_omp_single): Rename from expand_omp_simple.
8618 (lower_omp_master): Rename from expand_omp_master.
8619 (lower_omp_ordered): Rename from expand_omp_ordered.
8620 (lower_omp_critical): Rename from expand_omp_critical.
8621 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8622 (lower_omp_for): Re-implement.
8623 (lower_omp_parallel): Re-implement.
8624 (lower_regimplify): Rename from expand_regimplify.
8625 (lower_omp_1): Rename from expand_omp_1.
8626 If there are syntax errors in the program, replace every
8627 OpenMP directive with NOP.
8628 Call lower_omp_* instead of expand_omp_*.
8629 (lower_omp): Rename from expand_omp.
8631 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8632 * tree-gimple.h (enum omp_parallel_type): Remove.
8633 (gimple_boolify): Declare extern.
8634 (find_omp_clause, determine_parallel_type): Remove.
8636 * gimple-low.c (lower_omp_directive): New.
8637 (lower_stmt): Call it.
8638 (record_vars_into): Move from ...
8639 (record_vars): ... here.
8640 Call record_vars_into with current_function_decl.
8642 * gimplify.c (struct gimplify_ctx): Remove fields
8643 combined_pre_p and combined_ctxp. Update users.
8644 (get_formal_tmp_var): Add documentation.
8645 (gimple_boolify): Make extern.
8646 (gimplify_expr_in_ctx): Remove. Update callers.
8647 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8648 will always be a BIND_EXPR.
8649 (gimplify_expr): Handle OMP_RETURN_EXPR.
8650 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8651 (OMP_PARALLEL): Add 3 operands.
8652 (OMP_SECTIONS): Add 1 operand.
8653 (OMP_RETURN_EXPR): Define.
8655 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8656 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8657 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8658 creating a circular free list.
8659 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8661 * tree-flow.h (move_sese_region_to_fn): Declare.
8662 (record_vars_into): Declare.
8663 * tree-cfg.c (make_omp_sections_edges): New.
8664 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8665 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8666 OMP_SECTIONS and OMP_SECTION.
8667 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8668 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8669 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8670 (gather_blocks_in_sese_region): New.
8671 (struct move_stmt_d): Declare.
8673 (move_block_to_fn): New.
8674 (move_sese_region_to_fn): New.
8676 * passes.c (init_optimization_passes): Schedule
8677 pass_expand_omp after pass_init_datastructures.
8679 * tree-ssa-operands.c (get_expr_operands): Handle
8680 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8681 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8683 2006-01-19 Jeff Law <law@redhat.com>
8685 * tree-vrp.c (extract_range_from_assert): Refine the result range
8686 if the variable referenced by the ASSERT_EXPR has a range and
8687 either the tentative result range or the previous range is a
8690 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8692 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8694 2006-01-19 Jan Hubicka <jh@suse.cz>
8696 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8698 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8700 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8701 (expand_compound_operation, expand_field_assignment): Fail if the
8702 bit lengths of an extract operation are out of range.
8703 (make_extraction): Compute wanted_inner_mode based on the position
8704 and length of the extraction. Make it extraction_mode for non-constant
8705 positions, and do not modify offset in that case. When generating a
8706 new MEM, use a mode that can hold the extraction while keeping correct
8707 alignment. Remove code that supported MEMs wrapped by USEs.
8708 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8710 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8712 * config/s390/s390.md ("Y", "y"): New mode attribute.
8713 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8714 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8715 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8716 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8717 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8718 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8719 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8720 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8721 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8722 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8723 "addsi3", "subsi3"): Insn patterns removed.
8724 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8725 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8726 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8727 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8728 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8729 "*sub<mode>3_cconly2"): New insn patterns.
8730 ("addsi3", "subsi3"): New expanders.
8732 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8734 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8735 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8736 existing STMT_VINFO_VECTYPE if available.
8737 (vect_mark_relevant): Add special handling for stmts that are
8738 marked as STMT_VINFO_IN_PATTERN_P.
8739 (vect_analyze_loop): Call vect_pattern_recog.
8740 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8741 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8743 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8744 (vect_recog_func_ptr): New function-pointer type.
8745 * tree-vect-patterns.c: New file.
8746 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8747 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8748 (vect_pattern_recog_1): New functions.
8749 (vect_pattern_recog_funcs): New array of function pointers.
8751 * tree-vectorizer.h (ternary_op): New enum value.
8752 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8753 declaration. Revised documentation. Removed redundant dump prints.
8754 Removed redundant argument. Added support for reduction patterns.
8755 (vectorizable_reduction): Added support for reduction patterns.
8756 (vect_transform_stmt): Added support for patterns.
8758 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8759 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8760 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8761 (expand_widen_pattern_expr): New function.
8762 (init_optabs): Initialize new optabs udot_prod_optab,
8764 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8765 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8766 (expand_widen_pattern_expr): New function declaration.
8767 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8769 * tree-inline.c (estimate_num_insns_1): Added cases for new
8770 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8771 * tree-pretty-print.c (dump_generic_node): Likewise.
8772 (op_prio): Likewise.
8773 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8774 * tree-ssa-operands.c (get_expr_operands): Added case for
8776 * tree-vect-patterns.c (widened_name_p): New function.
8777 (vect_recog_dot_prod_pattern): Added function implementation.
8778 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8779 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8780 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8781 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8783 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8784 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8785 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8786 (init_optabs): Initialize new optabs widen_ssum_optab,
8788 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8789 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8790 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8791 use instead of type of def.
8792 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8793 function implementation.
8794 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8795 widen_ssumv8hi): New.
8797 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8800 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8803 * c-decl.c (add_flexible_array_elts_to_size): New function.
8804 (finish_decl): Use it.
8806 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8808 * diagnostic.h: Include options.h.
8809 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8810 dependancies for diagnostic.h.
8811 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8813 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8815 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8816 (ssa_ro_call_cache_valid): Ditto.
8817 * tree-ssa-alias.c (sort_tags_by_id): New function.
8818 (init_transitive_clobber_worklist): Ditto.
8819 (add_to_worklist): Ditto.
8820 (mark_aliases_call_clobbered): Ditto.
8821 (compute_tag_properties): Ditto.
8822 (set_initial_properties): Ditto.
8823 (compute_call_clobbered): Ditto.
8824 (compute_may_aliases): Call compute_call_clobbered and grouping.
8825 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8826 (compute_flow_insensitive_aliasing): Grouping now happens in our
8828 (setup_pointers_and_addressables): Remove clobbering related code.
8829 (add_may_alias): Ditto.
8830 (replace_may_alias): Ditto.
8831 (get_nmt_for): Ditto.
8832 (create_global_var):
8833 (is_escape_site): Return an escape_type enumeration.
8834 * tree-flow-inline.h (is_call_clobbered): Global var does not
8835 imply call clobbered.
8836 (mark_call_clobbered): Take a reason for marking this. Remove
8837 marking of globalness, and cache invalidation.
8838 (clear_call_clobbered): Remove cache invalidation code.
8839 * tree-dfa.c (dump_variable): If details is on, dump the reason
8841 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8843 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8844 (struct var_ann_d): Ditto.
8845 (enum escape_type): New.
8846 (mark_call_clobbered): Adjust prototype.
8847 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8848 are never call clobbered.
8849 Record reasons for escaping.
8850 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8851 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8852 (ssa_ro_call_cache_valid): Ditto.
8853 (clobbered_v_may_defs): Ditto.
8854 (clobbered_vuses): Ditto.
8855 (ro_call_vuses): Ditto.
8856 (clobber_stats): New.
8857 (init_ssa_operands): Zero out clobber stats.
8858 (fini_ssa_operands): Print out clobber stats.
8859 (get_call_expr_operands): Pass callee fndecl to
8861 (add_call_clobber_ops): Remove use of cache.
8862 Add use of PURE_CONST information.
8863 (add_call_read_ops): Remove use of cache.
8864 Add use of static not_read information.
8866 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8868 Introduce TLS descriptors for i386 and x86_64.
8869 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8870 (TARGET_ANY_GNU_TLS): New macro.
8871 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8872 (struct machine_function): Add tls_descriptor_call_expanded_p.
8873 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8874 (ix86_current_function_calls_tls_descriptor): Likewise.
8875 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8876 (override_options): Introduce gnu2 tls dialect.
8877 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8879 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8881 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8882 (ix86_init_machine_status): Initialize new field.
8883 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8884 (ix86_tls_module_base): New.
8885 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8886 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8887 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8888 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8889 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8890 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8891 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8892 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8893 * config/i386/predicates.md (tls_modbase_operand): New.
8894 (tp_or_register_operand): New.
8896 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8898 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8899 (look_for_address_of): Ditto.
8900 (ipa_init): Walk the function decls.
8901 (static_execute): Don't set readonly on FUNCTION_DECL's.
8903 2006-01-18 Roger Sayle <roger@eyesopen.com>
8905 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8906 for shifts where the source and destination registers are different.
8908 2006-01-18 Paul Brook <paul@codesourcery.com>
8910 Merge from csl-arm-branch.
8911 2005-03-14 Julian Brown <julian@codesourcery.com>
8912 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8913 (aeabi_llsl): Likewise.
8914 (ashrdi3): Likewise.
8915 (aeabi_lasr): Likewise.
8916 (lshrdi3): Likewise.
8917 (aeabi_llsr): Likewise.
8918 2005-03-10 Julian Brown <julian@codesourcery.com>
8919 * config.gcc: Disable shared libgcc for SymbianOS.
8920 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8922 2006-01-18 DJ Delorie <dj@redhat.com>
8924 * c-pragma.c (handle_pragma_diagnostic): New.
8925 (init_pragma): Register it.
8926 * doc/extend.texi: Document it.
8928 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8929 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8930 (diagnostic_context): Add classify_diagnostic[].
8931 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8932 as errors if they're overridden to DK_WARNING.
8933 (diagnostic_initialize): Initialize classify_diagnostic[].
8934 (diagnostic_set_kind_override): New.
8935 (diagnostic_report_diagnostic): Check for kind changes.
8936 * opts.c (common_handle_option): Take lang_mask. Update callers.
8938 * common.opt (Werror=): New.
8939 * doc/invoke.texi: Document -Werror=*
8941 2006-01-18 Jeff Law <law@redhat.com>
8943 * tree-vrp.c (test_for_singularity): Correct test for new
8944 min limit. Use operand_equal_p rather than pointer equality
8945 for testing if new min/max values are equal.
8947 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8948 using range information until after propagation and folding.
8950 2006-01-18 Richard Henderson <rth@redhat.com>
8951 Aldy Hernandez <aldyh@redhat.com>
8952 Jakub Jelinek <jakub@redhat.com>
8953 Diego Novillo <dnovillo@redhat.com>
8955 * omp-low.c: New file.
8956 * c-omp.c: New file.
8958 2006-01-18 Richard Henderson <rth@redhat.com>
8959 Jakub Jelinek <jakub@redhat.com>
8960 Diego Novillo <dnovillo@redhat.com>
8962 * doc/invoke.texi: Document -fopenmp.
8963 * tree-dump.h (debug_function): Declare.
8964 * hooks.c (hook_bool_tree_bool_false): New function.
8965 (hook_tree_tree_null): Remove.
8966 (hook_tree_tree_tree_null): New.
8967 * hooks.h: Update to match.
8968 * tree-pretty-print.c (debug_tree_chain): New.
8969 (print_generic_expr): Handle TDF_CHAIN.
8970 (dump_generic_node): Handle BLOCK.
8971 Do not abort with incomplete SWITCH_EXPRs.
8972 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8973 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8974 print space after directive name.
8975 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8976 Handle OMP_MASTER and OMP_ORDERED.
8977 Handle printing of OMP_BODY just in one place, goto
8978 dump_omp_body in the rest of OMP_* nodes that have
8980 Don't handle clause nodes here. Update omp statements to
8981 use dump_omp_clauses.
8982 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8983 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8984 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8985 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8986 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8987 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8988 Adjust output for GOMP_PARALLEL.
8989 (dump_omp_clauses): New.
8990 (print_declaration): Dump DECL_VALUE_EXPR.
8991 (op_symbol_1): Split out of op_symbol.
8992 (dumping_stmts): Remove. Update all users.
8993 * cgraph.c (cgraph_analyze_queue): New.
8994 (cgraph_add_new_function): New.
8995 * cgraph.h (cgraph_analyze_queue): Declare.
8996 (cgraph_add_new_function): Declare.
8997 (cgraph_lower_function): Remove.
8998 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8999 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9000 and TYPE_P nodes in its default clause.
9001 (empty_body_p): New.
9002 (tree_range_check_failed): New.
9004 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9005 OMP_CLAUSE_REDUCTION_MERGE,
9006 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9007 OMP_CLAUSE_PRIVATE_DEBUG,
9008 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9009 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9010 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9011 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9012 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9013 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9014 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9015 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9016 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9017 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9018 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9019 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9020 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9021 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9022 (TREE_RANGE_CHECK): New.
9023 (empty_body_p): Declare.
9024 (enum omp_clause_default_kind): New.
9025 (build_string_literal): Declare.
9026 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9027 (build5_stat, build5): Declare.
9028 * tree-pass.h (TDF_CHAIN): Define.
9029 * tree-pass.h (PROP_gimple_lomp): Define.
9030 (pass_lower_omp): Declare.
9031 * diagnostic.h (debug_tree_chain): Declare.
9032 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9034 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9035 * builtins.c (build_string_literal): Make extern.
9036 * gcc.c (include_spec_function): New.
9037 (static_spec_functions): Add it.
9038 (main): Move load of libgomp.spec ...
9039 (LINK_COMMAND_SPEC): ... here.
9040 (link_gomp_spec): New.
9041 (static_specs): Include it.
9042 (LINK_COMMAND_SPEC): Add link_gomp.
9043 (GOMP_SELF_SPECS): New.
9044 (driver_self_specs): Include it.
9045 (switch_matches): Don't mark inline.
9046 (main): Load libgomp.spec.
9047 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9048 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9049 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9050 * tree-gimple.h (enum omp_parallel): Declare.
9051 (determine_parallel_type): Declare.
9052 (omp_firstprivatize_variable): Declare.
9053 (omp_reduction_init): Declare.
9054 (diagnose_omp_structured_block_errors): Declare.
9055 (struct walk_stmt_info): Add want_return_expr.
9056 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9057 (find_omp_clause): Declare.
9058 (insert_field_into_struct): Declare.
9059 (struct walk_stmt_info): Move from tree-nested.c
9060 (walk_stmts): Declare.
9061 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9063 * cgraphunit.c (cgraph_lower_function): Make static.
9064 (cgraph_finalize_pending_functions): New.
9065 (cgraph_finalize_function): Call it.
9066 (cgraph_finalize_compilation_unit): Likewise.
9067 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9068 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9069 (BT_FN_UINT_UINT): New.
9070 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9071 DEF_FUNCTION_TYPE_VAR_4): Document.
9072 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9073 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9074 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9075 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9076 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9077 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9078 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9079 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9080 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9081 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9082 into separate files.
9083 (DEF_GOMP_BUILTIN): New.
9084 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9085 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9086 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9087 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9088 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9089 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9090 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9091 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9092 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9093 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9094 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9095 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9096 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9097 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9098 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9099 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9100 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9101 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9102 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9103 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9104 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9105 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9106 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9107 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9108 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9109 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9110 * sync-builtins.def: New file, moved from builtins.def.
9111 * omp-builtins.def: New file, moved from builtins.def.
9112 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9113 * gimple-low.c (lower_function_body): Clear data.
9114 (lower_stmt): Do not handle COMPOUND_EXPR.
9115 Remove call to print_node_brief.
9116 * c-tree.h (c_finish_omp_clauses): New prototype.
9117 (C_DECL_THREADPRIVATE_P): Define.
9118 (lookup_name_no_remap, c_omp_remap_private): Remove
9119 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9120 (check_for_loop_decls): Update decl.
9121 (lookup_name_no_remap, c_omp_remap_private): Declare.
9122 (build_indirect_ref, build_modify_expr, pushdecl,
9123 pushdecl_top_level): Move to c-common.h.
9124 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9125 before the switch, but just in the 2 places that need it.
9126 * c-decl.c (diagnose_mismatched_decls): Do not check for
9127 mismatched thread-local attributes when OLDDECL is marked
9128 threadprivate and NEWDECL has no thread-local attributes.
9129 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9130 (c_gimple_diagnostics_recursively): Rename from
9131 c_warn_unused_result_recursively. Invoke
9132 diagnose_omp_structured_block_errors.
9133 (check_for_loop_decls): Return a singular decl found.
9134 * langhooks.c (lhd_omp_predetermined_sharing): Return
9135 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9136 (lhd_omp_firstprivatize_type_sizes): New.
9137 (lhd_omp_assignment): New.
9138 (lhd_omp_predetermined_sharing): New.
9139 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9140 (struct lang_hooks_for_types): Add
9141 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9142 omp_predetermined_sharing, omp_disregard_value_expr,
9143 omp_private_debug_clause, omp_clause_default_ctor,
9144 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9145 (c_finish_omp_clauses): New.
9146 (c_finish_bc_stmt): Diagnose break within omp for.
9147 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9148 (build_unary_op): Return error_mark after reporting
9150 (build_modify_expr): Likewise.
9151 * gimplify.c: Include optabs.h and pointer-set.h.
9152 (enum gimplify_omp_var_data): Declare.
9153 (struct gimplify_omp_ctx): Declare.
9154 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9156 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9157 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9158 (splay_tree_compare_decl_uid): New.
9159 (new_omp_context): New.
9160 (delete_omp_context): New.
9161 (gimple_add_tmp_var): Call omp_add_variable.
9162 (gimplify_bind_expr): Likewise.
9163 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9164 true, disregard DECL_VALUE_EXPR on the decl if any.
9165 (gimplify_expr_in_ctx): New.
9166 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9167 omp_add_variable, omp_notice_variable, omp_is_private
9168 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9169 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9170 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9171 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9172 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9173 gimplify_omp_atomic): New.
9174 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9175 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9176 OMP_CRITICAL and OMP_ATOMIC.
9177 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9178 * c-pragma.h (enum pragma_kind): Add
9179 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9180 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9181 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9182 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9183 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9184 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9185 PRAGMA_OMP_THREADPRIVATE.
9186 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9187 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9188 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9189 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9190 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9191 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9192 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9193 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9194 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9195 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9196 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9197 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9198 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9200 (struct nesting_info): Add field_map,
9201 suppress_expansion, debug_var_chain.
9202 (create_nesting_tree): Initialize them.
9203 (lookup_field_for_decl): Use field_map.
9204 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9205 (convert_local_omp_clauses): New.
9206 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9207 (walk_body): Split out of walk_function.
9208 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9209 (convert_nonlocal_reference): Handle omp statements.
9210 (convert_local_reference): Likewise.
9211 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9212 (unnest_nesting_tree): New.
9213 (lower_nested_functions): Call it.
9214 (insert_field_into_struct): Make extern.
9215 (struct walk_stmt_info): Move to tree-gimple.h.
9216 (walk_stmts): Make extern.
9217 * omp-builtins.def: New file.
9218 * tree-iterator.c (expr_only): Clarify comment.
9219 * c-common.h (pushdecl_top_level, pushdecl,
9220 build_modify_expr, build_indirect_ref,
9221 c_finish_omp_master, c_finish_omp_critical,
9222 c_finish_omp_ordered, c_finish_omp_barrier,
9223 c_finish_omp_atomic, c_finish_omp_flush,
9224 c_finish_omp_for, c_split_parallel_clauses,
9225 omp_clause_default_kind, c_omp_sharing_predetermined,
9226 c_omp_remap_decl): Declare.
9227 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9228 (OBJS-common): Add omp-low.o.
9229 (c-omp.o, omp-low.o): Add.
9230 (gimplify.o): Add dependency on $(OPTABS_H).
9231 (GTFILES): Add omp-low.c.
9232 (gt-stringpool.h): Add.
9233 * tree-cfg.c (set_bb_for_stmt): Do not update the
9234 block-to-labels map if we are currently expanding to RTL.
9235 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9237 Handle IDENTIFIER_NODE.
9238 (tree_verify_flow_info): Do not ICE when emitting error
9239 messages about invalid labels.
9240 (dump_function_to_file): Reset CFUN before emitting the body
9242 (debug_function): New.
9243 * passes.c (init_optimization_passes): Schedule
9245 * langhooks-def.h (lhd_omp_predetermined_sharing,
9246 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9248 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9249 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9250 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9251 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9252 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9253 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9254 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9255 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9256 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9257 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9258 (LANG_HOOK_DECLS): Use them.
9260 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9261 Richard Henderson <rth@redhat.com>
9262 Jakub Jelinek <jakub@redhat.com>
9263 Diego Novillo <dnovillo@redhat.com>
9265 * c-parser.c (pragma_omp_clause): Define.
9266 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9267 (c_parser_compound_statement): Likewise.
9268 (c_parser_statement): Likewise.
9269 (c_parser_pragma): Handle omp pragmas.
9270 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9271 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9272 (c_parser_omp_clause_name, check_no_duplicate_clause,
9273 c_parser_omp_variable_list,
9274 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9275 c_parser_omp_clause_copyprivate,
9276 c_parser_omp_clause_default,
9277 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9278 c_parser_omp_clause_lastprivate,
9279 c_parser_omp_clause_nowait,
9280 c_parser_omp_clause_num_threads,
9281 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9282 c_parser_omp_clause_reduction,
9283 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9284 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9285 c_parser_omp_atomic, c_parser_omp_barrier,
9286 c_parser_omp_critical, c_parser_omp_flush,
9287 c_parser_omp_for_loop, c_parser_omp_for,
9288 c_parser_omp_master, c_parser_omp_ordered,
9289 c_parser_omp_sections_scope, c_parser_omp_sections,
9290 c_parser_omp_parallel, c_parser_omp_single,
9291 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9292 * c-pragma.c (init_pragma): Do omp pragma registration here.
9293 * c.opt (fopenmp): New flag.
9295 2006-01-18 Eric Christopher <echristo@apple.com>
9297 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9298 * config/darwin.h (GOMP_SELF_SPECS): Define.
9300 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9302 * rtl.h: Remove the prototype for reg_alloc.
9304 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9307 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9308 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9309 sjlj and dwarf2 exception handling.
9310 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9311 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9312 * pa/pa.c (function_value): Treat complex and vector types as
9314 (function_arg): Likewise. Only pass scalar floats in the floating
9315 point argument registers.
9316 * pa/t-slibgcc-dwarf-ver: New file.
9317 * pa/t-slibgcc-sjlj-ver: New file.
9318 * pa/t-slibgcc-elf-ver: Delete file.
9320 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9322 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9323 unlikely_test_section_p test.
9325 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9327 * mode-switching.c (optimize_mode_switching): Make it static.
9328 * basic-block.h: Remove the prototype for
9329 optimize_mode_switching.
9331 * modulo-sched.c (sms_schedule): Make it static.
9332 * rtl.h: Remove the prototype for sms_schedule.
9334 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9335 * rtl.h: Remove the prototype for gcse_after_reload_main.
9337 * reg-stack.c (reg_to_stack): Make it static.
9338 * rtl.h: Remove the prototype for reg_to_stack.
9340 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9342 * rtl.h: Remove the prototypes for regrename_optimize and
9343 copyprop_hardreg_forward.
9345 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9347 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9348 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9349 Test against the appropriate null constant for the mode.
9350 If 'fixup_overlap' is true, swap the operands if they overlap.
9351 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9352 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9353 alpha_split_tmode_pair and adjust for above change.
9354 * config/alpha/alpha.md (movtf_internal): Adjust call to
9355 alpha_split_tfmode_pair and rely on it to swap the operands.
9356 (movti_internal): New insn and post-reload splitter.
9357 (movti): New expander.
9359 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9361 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9364 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9366 * rtlanal.c (global_reg_mentioned_p_1,
9367 global_reg_mentioned_p): Remove.
9368 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9370 * flow.c (initialize_uninitialized_subregs): Make it static.
9371 * rtl.h: Remove the prototype for
9372 initialize_uninitialized_subregs.
9374 * function.c (instantiate_virtual_regs): Make it static.
9375 * function.h: Remove the prototype for
9376 instantiate_virtual_regs.
9378 * regmove.c (regmove_optimize, combine_stack_adjustments):
9380 * rtl.h: Remove the prototypes for regmove_optimize and
9381 combine_stack_adjustments.
9383 2006-01-17 Roger Sayle <roger@eyesopen.com>
9385 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9386 (size_cost): Encode costs in bytes so that a reg-reg addition is
9387 equivalent to COSTS_N_INSNS(1).
9388 (override_options): Use the size_cost.branch_cost as the default
9389 ix86_branch_cost when optimizing for size.
9391 2006-01-18 Ben Elliston <bje@au.ibm.com>
9393 * Makefile.in (D32PBIT_FUNCS): New.
9394 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9395 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9396 D64PBIT_FUNCS and D128PBIT_FUNCS.
9397 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9398 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9400 (decnumber_dep): Define.
9401 * doc/libgcc.texi (Decimal float library routines): New node.
9402 * config/dfp-bit.h, config/dfp-bit.c: New files.
9404 2006-01-18 Ben Elliston <bje@au.ibm.com>
9406 * expr.c (emit_move_change_mode): Always adjust addresses, not
9407 just during reload. Copy replacements only during reload.
9408 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9409 emit_move_via_integer.
9411 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9413 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9414 instead of $(srcdir) and ${srcdir}.
9416 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9420 * arm.h (struct machine_function): Add pic_reg.
9421 * arm.c (arm_pic_register): Make unsigned.
9422 (arm_override_options): Only set arm_pic_register if
9423 TARGET_SINGLE_PIC_BASE.
9424 (use_return_insn): Only test for a pic register if it is fixed.
9425 (arm_compute_save_reg0_reg12_mask): Likewise.
9426 (thumb_compute_save_reg_mask): Likewise.
9427 (legitimate_pic_operand): Factor out some known invariants.
9428 (legitimize_pic_address): If we don't have a fixed pic register,
9429 then set up a pseudo in the function entry sequence. Handle the
9430 pic base being in a pseudo.
9431 (arm_load_pic_register): Handle the pic register being in a pseudo.
9432 (arm_expand_prologue): Only set up the pic register if it is fixed.
9433 (thumb_expand_prologue): Likewise.
9434 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9435 (pic_load_addr_based_insn): Likewise.
9436 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9439 2006-01-18 Ben Elliston <bje@au.ibm.com>
9441 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9442 decimal float modes for all floating point registers.
9444 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9445 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9447 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9450 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9451 even when the pointer is not NULL.
9453 2006-01-16 Ian Lance Taylor <ian@airs.com>
9455 * common.opt (ftoplevel-reorder): New option.
9456 * cgraph.c (cgraph_asm_nodes): New global variable.
9457 (cgraph_asm_last_node): New static variable.
9458 (cgraph_order): New global variable.
9459 (cgraph_create_node): Set new order field.
9460 (cgraph_varpool_node): Likewise.
9461 (decide_is_variable_needed): Return true if not
9462 flag_toplevel_reorder.
9463 (cgraph_add_asm_node): New function.
9464 * cgraph.h (struct cgraph_node): Add order field.
9465 (struct cgraph_varpool_node): Add order field.
9466 (struct cgraph_asm_node): Define.
9467 (cgraph_asm_nodes, cgraph_order): Declare.
9468 (cgraph_add_asm_node): Declare.
9469 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9471 (cgraph_varpool_assemble_pending_decls): Call it.
9472 (cgraph_output_pending_asms): New static function.
9473 (cgraph_finalize_compilation_unit): Call it.
9474 (struct cgraph_order_sort): Define.
9475 (cgraph_output_in_order): New static function.
9476 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9477 !flag_toplevel_reorder case.
9478 * c-parser.c: Include "cgraph.h".
9479 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9481 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9482 than -fno-unit-at-a-time.
9483 * doc/invoke.texi (Option Summary): Mention
9484 -fno-toplevel-reorder.
9485 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9486 -funit-at-a-time documentation.
9488 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9489 Kazu Hirata <kazu@codesourcery.com>
9491 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9493 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9495 * Makefile.in (FUNCTION_H): New. Use it instead of
9496 function.h throughout the file.
9497 * function.h: Include tree.h.
9499 2006-01-17 Ben Elliston <bje@au.ibm.com>
9501 * recog.c: Separate some functions with whitespace.
9503 2006-01-16 Richard Henderson <rth@redhat.com>
9505 Merge from gomp branch:
9506 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9507 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9508 and rename from struct inline_data. Rename callee* to dst*;
9509 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9510 transform_new_cfg, transform_return_to_modify, and
9511 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9513 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9514 (copy_decl_for_dup): Remove.
9515 * tree-inline.c (struct inline_data): Move to header.
9516 (insert_decl_map): Export.
9517 (remap_decl): Update for member name changes. Use copy_decl hook.
9518 Allow for replacement to be a non-decl. Remove dead code.
9519 (remap_type_1): Check for existing mapping.
9520 (remap_type): Export.
9521 (remap_decls): Update for member name changes.
9522 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9523 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9524 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9525 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9526 (tree_function_versioning, build_duplicate_type): Likewise.
9527 (copy_body_r): Likewise. Export.
9528 (copy_decl_for_dup): Split into ...
9529 (copy_decl_for_dup_finish, copy_decl_to_var,
9530 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9531 (replace_ref_tree, inlining_p): Remove.
9533 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9535 * ifcvt.c (if_convert): Make it static.
9536 * rtl.h: Remove the prototype for if_convert.
9538 * local-alloc.c (local_alloc): Make it static.
9539 * rtl.h: Remove the prototype for local_alloc.
9541 * loop.c (loop_optimize): Make it static.
9542 * cfgloop.h: Remove the prototype for loop_optimize.
9545 2006-01-16 DJ Delorie <dj@redhat.com>
9547 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9550 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9552 * pa.md: Disparage copies between general and floating-point registers
9553 in 32-bit move patterns.
9555 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9558 * Makefile.in (check-%): Depend on site.exp instead of
9559 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9562 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9564 * global.c (global_alloc): Make it static.
9565 * rtl.h: Remove the prototype for global_alloc.
9567 2006-01-16 Richard Guenther <rguenther@suse.de>
9569 * tree-ssa-alias.c (struct used_part): Add write_only field.
9570 (get_or_create_used_part_for): Initialize it to true.
9571 (create_overlap_variables_for): Don't create structure variables
9572 for structures that only are written to.
9573 (find_used_portions): Handle MODIFY_EXPR to track whether a
9574 structure is only written to.
9576 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9578 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9580 * basic-block.h: Remove the prototype for
9581 partition_hot_cold_basic_blocks.
9583 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9585 * cppspec.c (lang_specific_spec_functions): Remove.
9586 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9587 * gcc.h (lang_specific_spec_functions): Remove.
9588 * gccspec.c (lang_specific_spec_functions): Remove.
9590 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9592 * combine.c (record_value_for_reg): Invalidate registers
9594 (record_dead_and_set_regs_1): Likewise, by passing them to
9595 record_value_for_reg.
9596 (record_dead_and_set_regs): Invalidate stores made by a
9597 call. We do not combine across a call, but we still
9598 relied on equivalences.
9600 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9602 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9603 vrp_int_const_binop returning non-constant nodes.
9605 2006-01-16 Paul Brook <paul@codesourcery.com>
9607 * config/m68k/m68k.c (output_move_const_into_data_reg):
9608 Output correct mnemonic for mvz and mvs.
9610 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9612 * rtl-factoring.c: Add sequence abstraction algorithm.
9613 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9614 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9616 (block_has_preserve_label): New function.
9617 * common.opt: Register new pass.
9618 * Makefile.in: Ditto.
9620 * timevar.def: Ditto.
9621 * tree-pass.h: Ditto.
9622 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9623 * rtl.h (make_jump_insn_raw): Add forward decl.
9624 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9626 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9627 Roger Sayle <roger@eyesopen.com>
9629 * fold-const.c (fold_minmax): New static function.
9630 (fold_binary) <MIN_EXPR>: Call it.
9631 <MAX_EXPR>: Likewise.
9632 * stor-layout.c (place_field): Use DECL_SIZE consistently
9633 in the computation of the new record size.
9635 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9637 * cse.c (cse_condition_code_reg): Make it static.
9638 * rtl.h: Remove the prototype for cse_condition_code_reg.
9640 * combine.c (combine_instructions): Make it static.
9641 * rtl.h: Remove the prototype for combine_instructions.
9643 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9646 * tree.c (get_file_function_name_long): Concatenate the first global
9647 object name with a string derived from the input filename of the object
9650 2006-01-16 Ben Elliston <bje@au.ibm.com>
9652 * config/i386/winnt-stubs.c: Update FSF address.
9653 * config/xtensa/ieee754-df.S: Ditto.
9654 * config/xtensa/ieee754-sf.S: Ditto.
9656 2006-01-14 Ian Lance Taylor <ian@airs.com>
9658 * ifcvt.c (noce_init_if_info): New static function, broken out of
9659 noce_process_if_block.
9660 (noce_process_if_block): Call noce_init_if_info.
9661 (check_cond_move_block): New static function.
9662 (cond_move_process_if_block): New static function.
9663 (process_if_block): Call cond_move_process_if_block.
9665 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9667 * cselib.c (hash_table): Rename to cselib_hash_table.
9668 (cselib_clear_table, discard_useless_values,
9669 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9670 cselib_init, cselib_finish): Adjust uses of hash_table.
9672 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9674 PR tree-optimization/25485
9675 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9676 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9677 is known to be false and true, respectively.
9679 2006-01-14 Richard Guenther <rguenther@suse.de>
9681 PR tree-optimization/22548
9682 PR tree-optimization/22555
9683 PR tree-optimization/22501
9684 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9685 * params.def (salias-max-array-elements): New parameter.
9686 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9687 * doc/invoke.texi (salias-max-array-elements): Document.
9688 * tree-flow-inline.h (var_can_have_subvars): We also handle
9690 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9692 * tree-ssa-structalias.c (params.h): Include.
9693 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9694 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9695 (get_constraint_for): For ADDR_EXPR operating on something
9696 containing an ARRAY_REF, add all subvars to the solution.
9697 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9698 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9699 for creating MUST_DEFs.
9700 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9702 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9704 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9706 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9707 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9708 number_of_iterations_le): New functions.
9709 (number_of_iterations_special): Removed.
9710 (number_of_iterations_exit): Do not use number_of_iterations_special.
9711 * tree.c (unsigned_type_for): Always return integer type.
9713 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9714 Richard Guenther <rguenther@suse.de>
9716 PR rtl-optimization/24257
9717 * gcse.c (find_moveable_store): Only consider a store movable
9718 when the SET_SRC of the insn can be assigned to a register.
9720 2006-01-14 Ian Lance Taylor <ian@airs.com>
9722 * tree.c (tree_not_class_check_failed): New function.
9723 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9724 (tree_not_class_check_failed): Declare.
9726 2006-01-13 Ian Lance Taylor <ian@airs.com>
9728 * reload1.c (do_output_reload): Add assertion rejecting a
9731 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9733 * combine.c (struct reg_stat): Add new fields truncation_label and
9735 (record_value_for_reg): Reset truncated_to_mode.
9736 (record_truncated_value): New function.
9737 (check_promoted_subreg): Call it. Rename to check_conversions.
9738 (combine_instructions): Rename check_promoted_subreg to
9740 (reg_truncated_to_mode): New function.
9741 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9742 (gen_lowpart_or_truncate): New function.
9743 (force_to_mode): Use it instead of gen_lowpart.
9745 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9747 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9748 VAR is a tag, not its type tag.
9750 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9752 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9753 alternatives to match style of other entries.
9754 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9756 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9758 PR tree-optimization/25771
9759 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9762 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9765 * tree-inline.c (declare_return_variable): If the return variable
9766 was marked as a non gimple complex, set the return slot variable
9767 to be a non gimple comple variable.
9769 2006-01-13 Richard Guenther <rguenther@suse.de>
9771 * builtins.c (expand_builtin_sincos): New function.
9772 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9774 (expand_builtin): Expand sincos using expand_builtin_sincos.
9776 2006-01-12 DJ Delorie <dj@redhat.com>
9778 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9779 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9780 so that constant shifts can be split.
9781 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9782 (m32c_valid_pointer_mode): Make static.
9783 (shift_gen_func_for): New.
9784 (m32c_prepare_shift): Use it. Split large const shifts into
9786 * config/m32c/predicates.md (shiftcount_operand): Allow more
9788 (longshiftcount_operand): New.
9789 * doc/md.texi (Machine Constraints): Document In6.
9791 2006-01-13 Ben Elliston <bje@au.ibm.com>
9793 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9794 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9797 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9799 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9800 to try to avoid clobbering pieces of structures when we know
9801 something about the whole structure.
9802 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9804 2006-01-13 Ben Elliston <bje@au.ibm.com>
9806 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9807 return in memory, as this is no limitation is no longer present.
9809 2006-01-12 DJ Delorie <dj@redhat.com>
9811 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9812 mova with fb, and for fb+0 -> An.
9814 * config/m32c/mov.md (peephole2): Fix enabling logic.
9816 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9817 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9818 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9819 FINI_ARRAY_SECTION_ASM_OP): Define.
9821 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9823 (m32c_legitimize_reload_address): New logic to reload FB to An.
9824 (m32c_output_reg_push): Add newline.
9825 (m32c_output_reg_pop): Likewise.
9827 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9829 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9831 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9833 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9835 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9837 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9840 2006-01-11 Ben Elliston <bje@au.ibm.com>
9842 * rtlanal.c (find_reg_note): Assert insn is not null.
9844 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9846 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9849 2006-01-11 Jeff Law <law@redhat.com>
9851 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9853 (mark_threaded_blocks, register_jump_thread): New functions.
9854 (thread_through_all_blocks): Remove unwanted argument. No
9855 longer rely on e->aux to communicate thread target info.
9856 Call mark_threaded_blocks. Release the threaded_blocks
9857 bitmap and threaded_edges vector when complete.
9858 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9859 (threaded_blocks): Remove.
9860 (tree_ssa_dominator_optimize): Remove initialization and
9861 finalization of threaded_blocks. Simplify call to
9862 thread_through_all_blocks.
9863 (thread_across_edge): Call register_jump_thread rather than
9864 storing thread information into e->aux.
9865 (free_all_edge_infos): Simplify now that e->aux is no longer
9866 used to communicate with thread_through_all_blocks.
9867 * tree-flow.h (thread_through_all_blocks): Update prototype.
9868 (register_jump_thread): Prototype.
9870 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9872 * df-core.c (df_compact_blocks, df_bb_replace): Use
9873 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9875 2006-01-11 Richard Guenther <rguenther@suse.de>
9877 PR tree-optimization/25734
9878 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9879 stop propagation after successful propagation to the LHS.
9881 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9883 * basic-block.h (control_flow_graph): Change the type of
9884 x_basic_block_info to VEC(basic_block,gc) *.
9885 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9887 (SET_BASIC_BLOCK): New.
9888 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9889 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9890 * cfgbuild.c (find_basic_blocks): Likewise.
9891 * cfglayout.c (fixup_reorder_chain): Likewise.
9892 * cfgrtl.c (create_basic_block_structure,
9893 rtl_create_basic_block): Likewise.
9894 * ifcvt.c (find_if_case_1): Likewise.
9895 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9898 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9900 * Makefile.in: Removed rotted odf.c entry.
9902 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9905 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9906 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9907 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9908 output pattern modifier, not %e.
9909 * config/cris/cris.c (cris_op_str): Update comment about pattern
9911 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9912 before falling through into...
9913 <case 'E'>: Redefined from old 'e' case.
9915 2006-01-11 Jan Hubicka <jh@suse.cz>
9918 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9920 2006-01-11 Jan Hubicka <jh@suse.cz>
9922 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9923 * i386.c (x86_decompose_lea): Kill.
9924 (ix86_rtx_costs): Kill.
9926 2006-01-11 Jan Hubicka <jh@suse.cz>
9928 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9929 * cgraph.h (cgraph_node): Add inline_decl.
9930 (cgraph_insert_node_to_hashtable): Declare.
9931 (save_inline_function_body): Declare.
9932 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9934 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9935 (cgraph_function_versioning): Update call of tree_function_versioning.
9936 (save_inline_function_body): New function.
9937 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9938 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9939 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9940 (cgraph_default_inline_p): Likewise.
9941 (cgraph_decide_inlining_incrementally): Likewise.
9942 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9943 (copy_bb): Kill saving; do updating of clones.
9944 (copy_cfg_body): Kill saving.
9945 (initialize_inlined-parameters): Likewise.
9946 (expand_call_inline): Likewise.
9948 (tree_function_versioning): New parameter "update_clones".
9949 (inlining_p): Kill saving.
9950 * tree-inline.h (tree_function_versioning): Update prototype.
9951 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9954 2006-01-11 Ian Lance Taylor <ian@airs.com>
9956 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9957 Allow undoing set of machine mode.
9958 (do_SUBST): Use enums instead of is_int.
9959 (do_SUBST_MODE): New function.
9960 (SUBST_MODE): New macro.
9961 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9962 reg and trying to replace reg_regno_rtx with a new register.
9963 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9964 (simplify_set): Use SUBST_MODE.
9965 (distribute_notes): Remove code that tried to update reg notes
9966 for regno_reg_rtx changes.
9968 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9970 PR tree-optimization/23109
9971 PR tree-optimization/23948
9972 PR tree-optimization/24123
9974 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9975 * tree-cfg.c (single_noncomplex_succ): New.
9976 * tree-flow.h (single_noncomplex_succ): Declare it.
9977 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9978 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9979 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9980 insert_bb, register_division_in, insert_reciprocals,
9981 replace_reciprocal, free_bb): New.
9982 (execute_cse_reciprocals_1): Rewritten.
9983 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9984 Do not commit any edge insertion. Always compute dominators and
9985 create the allocation pool.
9986 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9987 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9988 * targhooks.c (default_min_divistions_for_recip_mul): New.
9989 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9990 * passes.c (init_optimization_passes): Run recip after tree loop
9992 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9994 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9995 Kenneth Zadeck <zadeck@naturalbridge.com>
9997 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9998 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9999 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10000 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10001 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10002 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10003 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10004 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10005 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10006 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10007 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10008 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10009 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10010 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10011 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10012 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10013 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10014 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10015 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10016 DF_SCAN_POST_ALLOC): New macros.
10017 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10018 df_free_bb_function, df_local_compute_function, df_init_function,
10019 df_dataflow_function, df_confluence_function_0,
10020 df_confluence_function_n, df_transfer_function,
10021 df_finalizer_function, df_free_function, df_dump_problem_function,
10022 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10023 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10024 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10025 df_urec_bb_info, ) New types.
10026 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10028 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10029 df_analyze_simple_change_some_blocks,
10030 df_analyze_simple_change_one_block, df_compact_blocks,
10031 df_bb_replace, df_bb_regno_last_use_find,
10032 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10033 df_insn_regno_def_p, df_find_def, df_find_use,
10034 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10035 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10036 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10037 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10038 debug_df_chain, df_get_dependent_problem, df_chain_create,
10039 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10040 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10041 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10042 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10043 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10044 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10045 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10046 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10047 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10048 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10049 df_reorganize_refs, df_set_state, df_hard_reg_init,
10050 df_read_modify_subreg_p) New public functions.
10051 * df-core.c: The core dataflow solver and glue routines for rtl
10053 (df_init, df_add_problem, df_set_blocks, df_finish,
10054 df_hybrid_search_forward, df_hybrid_search_backward,
10055 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10056 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10057 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10058 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10059 df_reg_defined, df_find_use, df_reg_used, df_dump,
10060 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10061 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10062 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10063 debug_df_useno, reset_df_after_reload): New functions.
10064 * df-scan.c: The scanning fuctions, once in df.c, completely
10065 rewritten so that they now fully model the functionality of
10066 register usage at the backend.
10067 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10068 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10069 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10070 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10071 df_get_artificial_defs, df_get_artificial_uses,
10072 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10073 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10074 df_refs_delete, df_reorganize_refs, df_set_state,
10075 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10076 df_def_record_1, df_defs_record, df_uses_record,
10077 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10078 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10079 df_record_exit_block_uses, df_hard_reg_init): New functions.
10081 * df-problems.c: Seven concrete dataflow problems that use the
10082 scanning in df-scan.c and are solved by the engine in df-core.c.
10083 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10084 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10085 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10086 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10087 df_ru_free_bb_info, df_ru_alloc,
10088 df_ru_bb_local_compute_process_def,
10089 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10090 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10091 df_ru_transfer_function, df_ru_free, df_ru_dump,
10092 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10093 df_rd_free_bb_info, df_rd_alloc,
10094 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10095 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10096 df_rd_transfer_function, df_rd_free, df_rd_dump,
10097 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10098 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10099 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10100 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10101 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10102 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10103 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10104 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10105 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10106 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10107 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10108 df_urec_mark_reg_use_for_earlyclobber,
10109 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10110 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10111 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10112 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10113 df_chain_create_bb_process_use, df_chain_create_bb,
10114 df_chain_finalize, df_chain_free, df_chains_dump,
10115 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10116 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10117 df_reg_lifetime): New functions.
10118 * df.c: Deleted file.
10119 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10120 consistent with new df api.
10121 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10122 rest_of_handle_sms): Ditto.
10123 * web.c (unionfind_union, union_defs, entry_register, web_main):
10125 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10126 invariant_expr_equal_p, find_defs, check_dependencies,
10127 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10128 free_inv_motion_data, move_loop_invariants): Ditto.
10129 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10130 Update dependencies.
10131 (odf.c): Added defective entry that was deleted later in day.
10132 * sched-deps.c (sched_analyze_1): Ditto.
10134 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10136 * tree-ssa-operands.c (get_expr_operands): Record addressable
10137 variables directly. Do not call add_stmt_operands for CONST_DECLs
10139 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10140 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10142 2006-01-11 Ben Elliston <bje@au.ibm.com>
10144 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10145 function returns true in the positive case.
10147 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10150 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10151 for SI, DI, SF and DF modes. Add alternatives to copy between
10152 general and floating point registers to the 32-bit patterns.
10153 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10154 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10155 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10156 generating 64-bit code.
10157 * config/pa/pa.c (output_move_double): Handle copies between general
10158 and floating registers.
10160 2006-01-10 Stuart Hastings <stuart@apple.com>
10162 * config/i386/i386.md (set_got): Update.
10163 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10164 (builtin_setjmp_receiver): Mach-O support.
10165 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10166 (GOT_SYMBOL_NAME): Define.
10167 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10168 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10169 * config/i386/i386.c (override_options): Revise for Darwin.
10170 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10171 support. (darwin_x86_file_end): New. (output_set_got): Add label
10172 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10173 * config/i386/i386-protos.h (output_set_got): Likewise.
10174 * config/darwin.c (machopic_legitimize_pic_address): Update
10177 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10179 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10180 when MODE isn't BLKmode.
10182 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10184 PR rtl-optimization/25367
10185 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10187 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10190 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10191 for a negative bound.
10193 2006-01-10 Richard Guenther <rguenther@suse.de>
10195 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10196 Never override with anything constraint.
10198 2006-01-10 Jan Beulich <jbeulich@novell.com>
10200 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10201 256 bits when optimize_size.
10203 2006-01-10 Jan Beulich <jbeulich@novell.com>
10205 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10207 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10208 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10211 2006-01-10 Ben Elliston <bje@au.ibm.com>
10213 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10215 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10216 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10217 (USE_FP_FOR_ARG): Reject decimal float modes.
10218 (function_arg_advance): Likewise.
10219 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10220 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10221 point types in AltiVec vectors.
10222 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10223 (rs6000_libcall_value): Likewise.
10225 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10227 * config/xtensa/ieee754-df.S: New file.
10228 * config/xtensa/ieee754-sf.S: New file.
10229 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10230 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10231 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10233 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10235 * config/sh/predicates.md (binary_float_operator,
10236 binary_logical_operator, commutative_float_operator,
10237 equality_comparison_operator, greater_comparison_operator,
10238 less_comparison_operator, logical_operator,
10239 noncommutative_float_operator, shift_operator,
10240 symbol_ref_operand, unary_float_operator): Remove redundant
10243 2006-01-09 Jeff Law <law@redhat.com>
10245 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10246 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10247 now unused arguments. Callers updated.
10248 (eliminate_redundant_computations): Remove now unused arguments,
10250 (local_fold): Remove, no longer used.
10251 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10253 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10254 (simplify_cond): New function.
10255 (forward_propagate_into_cond): Call simplify_cond.
10257 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10259 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10260 (*vec_extractv2di_1_sse): New.
10262 2006-01-09 Ben Elliston <bje@au.ibm.com>
10264 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10266 2006-01-08 Richard Guenther <rguenther@suse.de>
10268 * tree-ssa-structalias.c (get_constraint_for): Remove
10269 anyoffset argument.
10270 (get_constraint_for_component_ref): Likewise.
10271 (do_deref): Likewise.
10272 (get_constraint_for): Likewise.
10273 (do_structure_copy): Likewise.
10274 (handle_ptr_arith): Likewise.
10275 (find_func_aliases): Likewise. Remove unused need_anyoffset
10278 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10279 Kaz Kojima <kkojima@gcc.gnu.org>
10281 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10282 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10283 (EXTRA_CONSTRAINT_C16): Remove.
10284 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10285 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10286 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10287 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10288 constants of SHmedia. Handle nested constant expressions of
10290 (andcosts): Fix the costs for SHmedia constants.
10291 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10292 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10293 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10294 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10295 (movv4hi_i, movv2si_i): Likewise.
10296 (movsi_const): Adjust the second operand of ior so to match with
10297 the Csu constraint.
10298 (movdi_const, movdi_const_32bit): Likewise.
10299 (movdi_const_16bit+1): Don't sign-extend LOW.
10300 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10302 (*double_shori): Fix the split condition. Use GEN_INT instead
10303 of get_int_mode calls. Mask lower 16-bit of the argument of
10305 (sym2GOTPLT): Remove.
10306 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10308 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10309 instead of EXTRA_CONSTRAINT_C16.
10311 2006-01-07 Ian Lance Taylor <ian@airs.com>
10312 David Edelsohn <edelsohn@gnu.org>
10314 PR rtl-optimization/25662
10315 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10316 for constant operands instead of simplify_gen_binary.
10317 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10318 after trying simplify_binary_operation
10320 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10322 * tree.c (iterative_hash_expr): Hash decls based on UID.
10324 2006-01-06 Eric Christopher <echristo@apple.com>
10326 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10327 (TARGET_UNWIND_EMIT): Fix spelling.
10328 * target.h (gcc_target): Add except_table_label.
10329 * except.c (output_function_exception_table): Use.
10330 * varasm.c (default_emit_except_table_label): New.
10331 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10333 (asm_out): Add here.
10334 * output.h (default_emit_except_table_label): Prototype.
10335 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10336 * config/darwin.c (darwin_emit_except_table_label): Define.
10337 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10339 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10341 PR tree-optimization/18527
10342 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10343 number_of_iterations_special, number_of_iterations_exit):
10344 Move base and step of an iv to a single structure. Add
10345 no_overflow flag, and use it in # of iterations analysis.
10346 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10347 folded_casts argument.
10348 (simple_iv): Pass base and step in a structure. Set no_overflow
10350 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10351 Evaluate expensiveness of computing # of iterations instead of
10352 the final expression.
10353 * tree-scalar-evolution.h (affine_iv): New structure.
10354 (simple_iv): Declaration changed.
10355 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10356 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10357 find_givs_in_stmt): Changed due to simple_iv change.
10359 2006-01-06 Jeff Law <law@redhat.com>
10362 * tree-cfg.c (bsi_replace): Rename final argument from
10363 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10364 change (stmt -> orig_stmt).
10365 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10366 (bsi_remove): Add new argument. Remove EH information
10368 (verify_eh_throw_table_statements): New function.
10369 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10371 * tree-optimize.c (execute_free_cfg_annotations): Verify
10372 the EH throw statement table after removing annotations.
10373 * except.h (verify_eh_throw_table_statements): Prototype.
10374 * tree-flow.h (bsi_remove): Update prototype.
10375 * tree-vrp.c (remove_range_assertions): Add new argument to
10377 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10378 * tree-complex.c (expand_complex_div_wide): Likewise.
10379 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10380 * tree-tailcall.c (eliminate_tailcall): Likewise.
10381 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10382 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10383 * tree-nrv.c (tree_nrv): Likewise.
10384 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10385 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10386 (combine_blocks): Likewise.
10387 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10388 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10389 (cleanup_control_flow): Likewise.
10390 (remove_forwarder_block): Likewise.
10391 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10392 * tree-sra.c (sra_replace): Likewise.
10393 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10394 (forward_propagate_single_use_vars): Likewise.
10395 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10396 * tree-inline.c (expand_call_inline): Likewise.
10397 * tree-vect-transform.c (vect_transform_loop): Likewise.
10398 * tree-outof-ssa.c (rewrite_trees): Likewise.
10399 * tree-cfg.c (make_goto_expr_edges): Likewise.
10400 (cleanup_dead_labels): Likewise.
10401 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10402 (bsi_move_before, bsi_move_after): Likewise.
10403 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10404 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10406 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10409 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10411 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10412 on non gimple variables. Also add checks at the top for decls and
10414 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10416 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10417 and IMAGPART_EXPR for creating MUST_DEFs.
10418 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10419 and NAME_MEMORY_TAG separately from the DECLs.
10421 2006-01-06 Richard Guenther <rguenther@suse.de>
10423 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10424 annotation, if necessary.
10425 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10426 redundant calls to update_stmt.
10427 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10430 2006-01-05 Richard Henderson <rth@redhat.com>
10432 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10434 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10436 * c-typeck.c: Update copyright date.
10438 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10440 * c-typeck.c (build_c_cast): Always warn when casting
10441 from a pointer to an integer of different size, even if
10442 the node was constant.
10444 2006-01-05 Richard Guenther <rguenther@suse.de>
10446 PR tree-optimization/22555
10447 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10448 if one structure field is an array.
10449 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10450 operands even if we found a subvar, but ignore VOPs in this
10452 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10454 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10456 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10458 PR middle-end/24998
10459 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10461 2006-01-05 Richard Guenther <rguenther@suse.de>
10462 Diego Novillo <dnovillo@redhat.com>
10464 * tree-pass.h (TODO_remove_unused_locals): Define.
10465 * gimple-low.c (expand_var_p, remove_useless_vars,
10466 pass_remove_useless_vars): Remove. Update all users.
10467 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10468 (remove_unused_locals): New function.
10469 * tree-flow.h (remove_unused_locals): Declare.
10470 * passes.c (execute_todo): Call remove_unused_locals if
10471 TODO_remove_unused_locals is set.
10472 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10473 * tree-ssa-dce.c (pass_dce): Likewise.
10474 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10476 2006-01-05 Richard Guenther <rguenther@suse.de>
10478 * tree-flow.h (struct fieldoff): Decompose field to
10479 type, size and decl.
10480 * tree-ssa-alias.c (create_sft): Take type as parameter.
10481 (create_overlap_variables_for): Store type, size and decl
10482 in the fieldoff structure.
10483 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10484 of struct fieldoff.
10485 (push_fields_onto_fieldstack): Likewise.
10486 (create_variable_info_for): Likewise. Use offset for the
10487 SFT name if the decl is not available.
10489 2006-01-04 Paul Brook <paul@codesourcery.com>
10491 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10493 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10495 * lambda-code.c (can_put_in_inner_loop): Relax
10497 (can_put_after_inner_loop): New function.
10498 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10499 (perfect_nestify): Change to make copies and modify uses.
10501 2006-01-04 Richard Henderson <rth@redhat.com>
10503 Merge from gomp branch:
10504 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10505 via integer constant.
10506 (pragma_lex): Remove.
10507 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10508 rather than parsing it.
10509 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10510 handle_pragma_extern_prefix): Add %< %> quotes.
10511 (registered_pragmas): New.
10512 (c_register_pragma_1): New.
10513 (c_register_pragma): Use it.
10514 (c_register_pragma_with_expansion): Likewise.
10515 (c_invoke_pragma_handler): New.
10516 (init_pragma): Use cpp_register_deferred_pragma directly for
10518 * c-pragma.h (enum pragma_kind): New.
10519 (pragma_handler): New.
10520 (c_invoke_pragma_handler): Declare.
10521 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10523 * c-common.h (c_common_pch_pragma): Update decl.
10524 * Makefile.in (c-parser.o): Update dependencies.
10525 (GTFILES): Add c-pragma.h.
10526 * c-parser.c (struct c_token): Add pragma_kind.
10527 (struct c_parser): Add in_pragma.
10528 (c_lex_one_token): Always initialize keyword and pragma_kind.
10529 Extract data for CPP_PRAGMA.
10530 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10531 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10532 Don't allow CPP_PRAGMA_EOL if in_pragma.
10533 (c_parser_consume_pragma): New.
10534 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10535 (c_parser_skip_to_end_of_parameter): Likewise.
10536 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10537 (c_parser_skip_to_pragma_eol): New.
10538 (c_parser_external_declaration): Handle CPP_PRAGMA.
10539 (c_parser_compound_statement_nostart): Likewise.
10540 (c_parser_statement_after_labels): Likewise.
10541 (c_parser_pragma): New.
10542 (pragma_lex): Likewise.
10543 (c_parser_pragma_pch_preprocess): New.
10544 (c_parser_new): Merge into ...
10545 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10547 2006-01-04 Jeff Law <law@redhat.com>
10550 * tree-cfg.c (bsi_replace): Remove the original statement
10551 from the EH throw statement table.
10553 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10555 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10556 make the prototype extern "C" and add throw ().
10559 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10560 and pos non-negative and pos + len <= 32.
10561 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10562 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10563 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10566 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10567 as well as sizes not multiple of component size.
10570 * function.c (instantiate_expr): New function.
10571 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10572 walk its DECL_VALUE_EXPR with instantiate_expr.
10574 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10575 DW_OP_deref{,_size} if address isn't going to be added.
10577 2006-01-04 Ben Elliston <bje@au.ibm.com>
10579 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10580 * config/fp-bit.c: Likewise.
10582 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10584 * dominance.c: Add comment about why we use DFS numbering
10587 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10588 Richard Henderson <rth@redhat.com>
10590 Merge from gomp-branch:
10591 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10592 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10594 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10596 PR rtl-optimization/25578
10597 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10598 pass a parameter to simplify_shift_const if changing ASHIFTRT
10601 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10603 * builtins.c (get_builtin_sync_mem): New function.
10604 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10605 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10606 Call get_builtin_sync_mem to generate mem rtx.
10608 2006-01-03 Richard Guenther <rguenther@suse.de>
10611 * stmt.c (add_case_node): Make sure to clear overflow flags
10614 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10616 Merge from gomp-branch.
10617 * config/sparc/sync.md: New file.
10618 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10619 UNSPECV_LDSTUB): New constants.
10620 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10621 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10622 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10625 2006-01-03 Roger Sayle <roger@eyesopen.com>
10627 * combine.c (reg_subword_p): New predicate to test whether the
10628 destination of a set refers to a subword/piece of a register.
10629 (try_combine): Generalize the code to merge the setting of a
10630 pseudo to a constant followed by a set of a subword of that
10631 register to a constant.
10633 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10635 * basic-block.h (control_flow_graph): Change the type of
10636 x_label_to_block_map to VEC(basic_block,gc) *.
10637 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10638 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10640 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10641 VEC(basic_block,heap) *.
10642 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10643 ssa_prop_fini): Adjust the uses of cfg_blocks.
10645 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10647 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10649 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10650 hashing trees instead of a pointer hash.
10651 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10652 compare for MEM_EXPR.
10654 PR rtl-optimization/25130
10655 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10656 when comparing MEMs for GCSE
10658 2006-01-03 Ben Elliston <bje@au.ibm.com>
10660 * targhooks.h (default_decimal_float_supported_p): Declare.
10661 * targhooks.c (default_decimal_float_supported_p): Define.
10662 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10663 `default_decimal_float_supported_p'.
10664 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10666 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10668 * combine.c (apply_distributive_law <SUBREG>): Check
10669 TRULY_NOOP_TRUNCATION.
10671 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10673 * dwarf2out.c (have_switched_text_section): Delete.
10674 (have_multiple_function_sections): New.
10675 (have_location_lists): Make 'bool'.
10676 (add_AT_loc_list): Use 'true' not '1'.
10677 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10678 (output_loc_list): Use have_multiple_function_sections.
10679 (output_ranges): Likewise.
10680 (dwarf2out_begin_function): Set have_multiple_function_sections if
10682 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10683 Check function_section rather than DECL_SECTION_NAME.
10684 (dwarf2out_finish): Use have_multiple_function_sections.
10685 Don't clear have_location_lists.
10687 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10688 Jan Hubicka <jh@suse.cz>
10690 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10691 case of conditional jump jumping to the next instruction.
10692 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10693 cases of conditional jump jumping to the next instruction.
10695 2006-01-02 Jan Hubicka <jh@suse.cz>
10697 * i386.c (*_cost): Add COSTS_N_INSNS.
10698 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10700 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10703 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10705 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10707 * config/arm/arm.c (all_fpus): Fix comment typo.
10708 * config/darwin.c: Likewise.
10709 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10710 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10711 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10713 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10715 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10716 (rs6000_split_compare_and_swapqhi): New.
10717 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10718 (sync_compare_and_swapqhi_internal): New.
10719 * config/rs6000/rs6000-protos.h: Declare.
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